1. The pipeline mounting structure of the ceiling type air handling unit comprises a mounting rod (2) and is characterized by further comprising a mounting seat (1), an adjusting mechanism (3), a connecting mechanism (4) and a plurality of clamping rings (5), wherein the mounting seat (1) is connected with the mounting rod (2) through the adjusting mechanism (3), the mounting rod (2) is connected with the clamping rings (5) through the connecting mechanism (4), the connecting mechanism (4) comprises a sliding plate (43), a sliding block (42), a first screw rod (45) and a connecting assembly (44) for connecting the sliding plate (43) with each clamping ring (5), the connecting assembly (44) is provided with a plurality of groups, the connecting assembly (44) and the clamping rings (5) are arranged in a one-to-one correspondence manner, a sliding groove (41) for the sliding block (42) to slide is formed in the mounting rod (2), the groove (41) that slides is followed the length direction of installation pole (2) sets up, sliding block (42) are kept away from installation pole (2) one side with sliding plate (43) are connected, and are a plurality of snap ring (5) are followed the length direction of sliding plate (43) distributes, sliding plate (43) length direction with the length direction of installation pole (2) is the same, first screw rod (45) run through sliding block (42), just first screw rod (45) and sliding block (42) threaded connection, first screw rod (45) are connected with installation pole (2) rotation.

2. The ceiling mounted air handling unit duct mounting structure of claim 1, the connecting component (44) comprises a sliding block (442), a driving component (444) and a first spring (443) for pushing the sliding block (442) to move to the side far away from the mounting seat (1), one side of the sliding plate (43) far away from the sliding block (42) is provided with a sliding groove (441) for sliding the sliding block (442), the sliding groove (441) is arranged along the length direction of the sliding plate (43), the first spring (443) is positioned in the sliding groove (441), one end of the first spring (443) is connected with the wall of the sliding groove (441), the other end is connected with the sliding block (442), the snap ring (5) is positioned on one side of the sliding block (442) far away from the sliding plate (43), the driving piece (444) pushes the sliding block (442) to move towards one side of the mounting seat (1).

3. The pipeline installation structure of the ceiling-suspended air handling unit as claimed in claim 2, wherein the driving member (444) comprises a pushing block (4442) and a second screw (4443), a guide chute (4441) for sliding the pushing block (4442) is formed in a side wall of the sliding plate (43), the guide chute (4441) is communicated with the sliding groove (441), the second screw (4443) is disposed along a length direction of the guide chute (4441), the second screw (4443) penetrates through the sliding plate (43), the second screw (4443) is in threaded connection with the sliding plate (43), one end of the second screw (4443) extending into the guide chute (4441) is rotatably connected with the pushing block (4442), the pushing block (4442) is connected with a bottom wall of the sliding block (442), and the pushing block (4442) is close to the side wall of the pushing block (442) from one end close to the second screw (4443) to a position far away from the second screw (4443) One end is obliquely arranged from high to low.

4. The pipeline installation structure of the ceiling-mounted air handling unit according to claim 3, wherein the snap ring (5) comprises an upper arc-shaped section (51) and a lower arc-shaped section (52), the upper arc-shaped section (51) and the lower arc-shaped section (52) form a clamping cavity (53) for clamping an air conditioning pipeline, one side of the sliding block (442), which is far away from the sliding plate (43), is fixedly connected with the lower arc-shaped section (52), the upper arc-shaped section (51) is positioned right above the lower arc-shaped section (52), and the upper arc-shaped section (51) is connected with the sliding block (442) in a sliding manner.

5. The pipeline installation structure of the ceiling-mounted air handling unit according to claim 4, wherein a guide rod (54) is fixedly connected to the sliding block (442), the guide rod (54) is disposed along the length direction of the sliding groove (441), the guide rod (54) penetrates through the upper arc-shaped section (51), the guide rod (54) is connected with the upper arc-shaped section (51) in a sliding manner, and a second spring (55) for moving the upper arc-shaped section (51) to one side of the lower arc-shaped section (52) is sleeved on the guide rod (54).

6. The pipeline installation structure of the ceiling-mounted air handling unit according to claim 1, wherein the adjusting mechanism (3) comprises a slider (32) and a limiting member (36) for fixing the position of the slider (32), a sliding slot (31) for sliding the slider (32) is formed in the installation base (1), the installation rod (2) is rotatably connected with the slider (32), the installation rod (2) rotates along the circumferential direction, and the limiting member (36) is located on the installation base (1).

7. The pipeline mounting structure of the ceiling-mounted air handling unit according to claim 6, wherein the limiting member (36) comprises a push rod (364), a third spring (365), a rack (361) and a limiting toothed plate (363) engaged with the rack (361), one side of the slider (32) close to the limiting toothed plate (363) is connected with the rack (361), one side of the mounting seat (1) is provided with a limiting groove (362) for embedding the limiting toothed plate (363), the limiting groove (362) is arranged along the length direction of the sliding groove (31), the limiting groove (362) is communicated with the sliding groove (31), one end of the third spring (365) is connected with the limiting toothed plate (363), the other end of the third spring is connected with the groove wall of the limiting groove (362), and the third spring (365) pushes the limiting toothed plate (363) to move to one side of the rack (361), the push rod (364) penetrates through the side wall of the mounting seat (1) to be connected with the limiting toothed plate (363), and the push rod (364) is connected with the mounting seat (1) in a sliding mode.

8. The pipeline installation structure of a ceiling type air handling unit according to claim 6, wherein a limit ring (35) is sleeved on the installation rod (2), the limiting ring (35) is connected with the mounting rod (2) in a sliding way, a guide block (39) is arranged on the inner side wall of the limiting ring (35), a guide groove (38) for the guide block (39) to slide is arranged on the mounting rod (2), a fixing ring (33) is arranged on the mounting rod (2), the fixing ring (33) is positioned below the limiting ring (35), at least one fourth spring (34) which enables the limiting ring (35) to move towards one side of the mounting seat (1) is arranged between the fixing ring (33) and the limiting ring (35), a limiting rod (351) is arranged on one side of the limiting ring (35) far away from the fixing ring (33), the mounting seat (1) is provided with a plurality of limiting holes (37) for the insertion connection of the limiting rods (351).

9. The pipeline mounting structure of the ceiling-mounted air handling unit according to claim 1, wherein the mounting seat (1) is provided with a plurality of bolt holes (11), and the bolt holes (11) and the sliding grooves (31) are arranged in a staggered manner.

Background

The air handling unit is a forced hot air heating and ventilating centralized air handling system which distributes and heats air through air pipes, and the common air handling unit comprises a fan, a heater, a cooler, a filter, a plurality of air conditioning pipelines and other components; the indoor and outdoor air flow exchange is realized by mixing fresh air from the outside of the room with a part of return air in the room and filtering out harmful substances such as dust, smoke dust, black smoke, organic particles and the like in the air through a filter.

Chinese patent application No. 201611012360.9 discloses a central air conditioning pipeline mounting, including threaded inflation silk, dead lever and snap ring, the dead lever is fixed on the top surface through threaded inflation silk, the dead lever is vertical to be arranged, the movable is connected with the snap ring on the dead lever, the inner circle and the central air conditioning pipeline cross section outline of snap ring cooperate, the central air conditioning pipeline passes through the snap ring and installs on the dead lever.

In view of the above-mentioned related technologies, the applicant believes that the height of the central air-conditioning pipeline needs to be adjusted according to the installation height of the air-conditioning host during the installation process of the central air-conditioning pipeline, and the number of the central air-conditioning pipelines needs to be adjusted one by one to further realize the multiple central air-conditioning pipelines, which affects the installation efficiency of the central air-conditioning pipeline.

Disclosure of Invention

In order to improve the installation effectiveness of air conditioner pipeline, this application provides a suspension type air handling unit pipeline mounting structure.

The application provides a pair of suspension type air handling unit pipeline mounting structure adopts following technical scheme:

a pipeline installation structure of a ceiling type air handling unit comprises an installation rod, an installation seat, an adjusting mechanism, a connecting mechanism and a plurality of snap rings, wherein the installation rod is connected with the installation seat through the adjusting mechanism, the installation rod is connected with the snap rings through the connecting mechanism, the connecting mechanism comprises a sliding plate, a sliding block, a first screw rod and a connecting assembly for connecting the sliding plate with each snap ring, the connecting assembly is provided with a plurality of groups, the connecting assembly and the snap rings are arranged in a one-to-one correspondence manner, a sliding groove for sliding the sliding block is formed in the installation rod, the sliding groove is arranged along the length direction of the installation rod, one side of the sliding block, which is far away from the installation rod, is connected with the sliding plate, the snap rings are distributed along the length direction of the sliding plate, and the length direction of the sliding plate is the same as that of the installation rod, the first screw rod penetrates through the sliding block, the first screw rod is in threaded connection with the sliding block, and the first screw rod is rotatably connected with the mounting rod.

By adopting the technical scheme, when the air-conditioning pipeline is installed, according to the installation requirement of the air-conditioning pipeline, a hole is formed in the top wall of the building, the installation seat is fixed on the top wall of the building through a bolt, then the first screw rod is adjusted, the first screw rod drives the sliding block to move along the sliding groove, the sliding block drives the sliding plate to move, the sliding plate drives the connecting assembly to move, the connecting assembly drives the snap ring to move, the distance between the snap ring and the top wall of the building meets the installation requirement of the air-conditioning pipeline, other pipeline installation structures are sequentially installed, and the air-conditioning pipeline is installed on the snap ring after the installation is finished; the suspension type air handling unit pipeline mounting structure of design is convenient for adjust the highly synchronous of a plurality of snap rings that are located on same slide through coupling mechanism, and then realizes adjusting the regulation of air conditioner pipeline's mounting height, has improved air conditioner pipeline's installation effectiveness.

Optionally, coupling assembling includes sliding block, driving piece and is used for promoting the sliding block is to keeping away from mount pad one side motion's first spring, the slide board is kept away from slide block one side is offered and is used for the sliding tray that the sliding block slided, the sliding tray is followed the length direction of slide board sets up, first spring is located the sliding tray, just first spring one end is connected with the sliding tray cell wall, and the other end is connected with the sliding block, the snap ring is located the sliding block is kept away from slide board one side, the driving piece promotes the sliding block to mount pad one side motion.

By adopting the technical scheme, under the action of the first spring, the driving piece is always abutted against the sliding block, the driving piece is adjusted, the driving piece pushes the sliding block to slide along the sliding groove, the height adjustment of the sliding block is realized, and the position adjustment of the clamping ring is further realized; the coupling assembling of design is convenient for adjust the position of sliding block, and then realizes the regulation to each snap ring position, is convenient for adjust the height of single snap ring according to actual need, and then adjusts air conditioner pipeline's gradient.

Optionally, the driving piece includes a pushing block and a second screw rod, a guide chute used for the pushing block to slide is arranged on the side wall of the sliding plate, the guide chute is communicated with the sliding groove, the second screw rod is arranged along the length direction of the guide chute, the second screw rod penetrates through the sliding plate, the second screw rod is in threaded connection with the sliding plate, one end of the second screw rod extends into the guide chute and is rotatably connected with the pushing block, the pushing block is abutted against the bottom wall of the sliding block, and the pushing block is close to the side wall of one side of the sliding block and is inclined from high to low from one end of the second screw rod to one end of the second screw rod.

By adopting the technical scheme, the second screw rod is adjusted, and as the second screw rod is in threaded connection with the sliding plate, the second screw rod drives the pushing block to slide along the guide sliding groove, and meanwhile, the pushing block pushes the sliding block to slide along the sliding groove, so that the height of the clamping ring is adjusted; the driving piece of design is convenient for support through supporting the ejector pad and pushes away the sliding block and slide along the sliding tray, realizes the altitude mixture control of snap ring, and then realizes the regulation of air conditioner pipeline support height.

Optionally, the snap ring includes segmental arc and segmental arc down, go up the segmental arc and form the centre gripping chamber of centre gripping air conditioner pipeline with segmental arc down, the sliding block is kept away from slide board one side with segmental arc fixed connection down, it is located to go up the segmental arc under the segmental arc, just it slides with the sliding block to go up the segmental arc and is connected.

By adopting the technical scheme, the upper arc-shaped section of the clamping ring which is arranged in sections is connected with the sliding block in a sliding manner, so that the height of the upper arc-shaped section is convenient to adjust, the upper arc-shaped section is separated from the lower arc-shaped section, and an air conditioner pipeline is convenient to install in the clamping cavity; the lower arc section is convenient for supporting the air conditioner pipeline.

Optionally, fixedly connected with guide bar on the sliding block, the guide bar is followed the length direction setting of sliding tray, just the guide bar runs through go up the segmental arc setting, the guide bar slides with last segmental arc and is connected, the cover is equipped with the messenger on the guide bar go up the segmental arc to the second spring of segmental arc one side motion down.

By adopting the technical scheme, the designed guide rod is convenient for guiding the upper arc-shaped section, so that the upper arc-shaped section moves along the axial direction of the guide rod; the second spring of design for go up the segmental arc trend of segmental arc one side motion downwards, be convenient for carry on spacingly through last segmental arc and lower segmental arc to the air conditioner pipeline.

Optionally, the adjusting mechanism includes a slider and a limiting part for fixing the position of the slider, a sliding groove for sliding the slider is provided on the mounting seat, the mounting rod is rotatably connected with the slider, the mounting rod rotates along the circumferential direction, and the limiting part is located on the mounting seat.

By adopting the technical scheme, the limiting piece is adjusted to enable the sliding block to slide along the sliding groove, the position of the sliding block is adjusted, the sliding block drives the installation rod to move, the installation rod moves to meet the construction requirement, and then the limiting piece is adjusted to enable the position of the sliding block to be fixed; the adjusting mechanism who designs is convenient for according to the atress of installation pole, and the position of adjusting the slider, and then realizes the position control of installation pole for the mount pad tends to be equivalent with building roof wall connecting bolt's atress, avoids droing because of unilateral bolt atress is too big, the pipeline mounting structure that leads to, improves the connection performance of mount pad.

Optionally, the locating part includes push rod, third spring, rack and with rack toothing's spacing pinion rack, the slider is close to spacing pinion rack one side with rack connection, mount pad one side is offered and is used for inlaying the spacing groove of establishing spacing pinion rack, the spacing groove is followed the length direction of spout sets up, just the spacing groove communicates with the spout, third spring one end with spacing pinion rack is connected, the other end with spacing groove cell wall connection, just the third spring promotes spacing pinion rack to rack lateral motion, the push rod passes the mount pad lateral wall with spacing pinion rack is connected, the push rod slides with the mount pad and is connected.

By adopting the technical scheme, force is applied to the push rod, the push rod drives the limit toothed plate to move until the limit toothed plate is separated from the rack, the third spring is compressed, the sliding block can slide along the sliding groove, the position of the sliding block is adjusted, the sliding block drives the installation rod to move, the installation rod moves until the installation rod meets the construction requirement, then the force application to the push rod is stopped, the third spring is recovered, the third spring applies force to the limit toothed plate, the limit toothed plate moves to one side of the rack, the slide rod moves until the limit toothed plate is meshed with the toothed plate, and the position of the sliding block is fixed; the designed limiting part is convenient for limiting the sliding block through the meshing of the limiting toothed plate and the rack.

Optionally, the cover is equipped with the spacing ring on the installation pole, just the spacing ring slides with the installation pole and is connected, be provided with the guide block on the inside wall of spacing ring, set up the confession on the installation pole the guide way that the guide block slided, be provided with solid fixed ring on the installation pole, gu fixed ring is located the spacing ring below, gu be provided with the messenger between fixed ring and the spacing ring is to at least one fourth spring of mount pad one side motion, the spacing ring is kept away from gu fixed ring one side is provided with the spacing pole, set up a plurality of being used for on the mount pad the spacing hole that the spacing pole was pegged graft.

By adopting the technical scheme, in the installation process of the air conditioner pipeline, when the air conditioner pipeline needs to be avoided in corner positions or partial areas, the orientation of the clamping ring needs to be adjusted in a matched mode, the installation rod needs to be rotated, when the installation rod is rotated, force is applied to the limiting ring, the limiting ring drives the limiting rod to move until the limiting rod is separated from the limiting hole, the installation rod can rotate, the fourth spring is compressed, the installation rod is rotated, the installation rod drives the clamping ring to rotate until the clamping ring meets the construction requirements of the air conditioner pipeline, then the force is stopped being applied to the limiting ring, the fourth spring is recovered, the fourth spring pushes the limiting ring to slide along the installation rod, the limiting ring drives the limiting dry movement, the limiting dry movement is carried out until the limiting rod is inserted into the limiting hole, and the fixation of the installation rod is realized; the designed limiting rod and the limiting hole are convenient for fixing the rotating angle of the mounting rod.

Optionally, a plurality of bolt holes are formed in the mounting seat, and the bolt holes and the sliding grooves are arranged in a staggered mode.

Through adopting above-mentioned technical scheme, the bolt hole of design is convenient for fix on the building through the bolt.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the designed pipeline installation structure of the ceiling type air handling unit is convenient for synchronously adjusting the heights of a plurality of clamping rings on the same sliding plate through the connecting mechanism, so that the adjustment of the installation height of an air conditioning pipeline is realized, and the installation efficiency of the air conditioning pipeline is improved;

2. the suspension type air handling unit pipeline mounting structure of design is convenient for through adjustment mechanism according to the atress of installation pole, and adjust the position of slider, and then realizes the position control of installation pole for the mount pad tends to be equivalent with building roof wall connecting bolt's atress, avoids droing because of unilateral bolt atress is too big, the pipeline mounting structure who leads to, improves the connection performance of mount pad.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a pipe installation structure of a ceiling type air handling unit according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of a ceiling mounted air handling unit duct mounting arrangement in accordance with an embodiment of the present application, intended to illustrate the attachment mechanism;

FIG. 3 is an enlarged schematic view of section A of FIG. 2;

FIG. 4 is a cross-sectional view of a ceiling mounted air handling unit duct mounting arrangement in accordance with an embodiment of the present application, intended to illustrate the drive member;

FIG. 5 is an enlarged schematic view of section B of FIG. 4;

FIG. 6 is an enlarged schematic view of section C of FIG. 2;

FIG. 7 is a cross-sectional view of a ceiling mounted air handling unit duct mounting arrangement according to an embodiment of the present application, intended to illustrate an adjustment mechanism.

Description of reference numerals: 1. a mounting seat; 11. bolt holes; 2. mounting a rod; 3. an adjustment mechanism; 31. a chute; 32. a slider; 33. a fixing ring; 34. a fourth spring; 35. a limiting ring; 351. a limiting rod; 36. a limiting member; 361. a rack; 362. a limiting groove; 363. a limit toothed plate; 364. a push rod; 365. a third spring; 366. a push handle; 37. a limiting hole; 38. a guide groove; 39. a guide block; 4. a connecting mechanism; 41. a sliding groove; 42. a sliding block; 43. a slide plate; 44. a connecting assembly; 441. a sliding groove; 442. a slider; 443. a first spring; 444. a drive member; 4441. a guide chute; 4442. pushing the block; 4443. a second screw; 4444. a handle; 45. a first screw; 451. a handle is rotated; 5. a snap ring; 51. an upper arc segment; 52. a lower arc segment; 53. a clamping cavity; 54. a guide bar; 55. a second spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses suspension type air handling unit pipeline mounting structure. Referring to fig. 1 and 2, the pipeline mounting structure of the ceiling air handling unit includes a mounting seat 1, a mounting rod 2, an adjusting mechanism 3, a connecting mechanism 4 and a plurality of snap rings 5, wherein the mounting seat 1 is provided with a plurality of bolt holes 11, the number of the bolt holes 11 may be 4, 6 or 8, but all that is required is to realize stable connection between the mounting seat 1 and the top wall of the building, in this embodiment, the bolt holes 11 are provided with 4, and the 4 bolt holes 11 are arranged near the corners of the mounting seat 1; the mounting seat 1 is connected with a mounting rod 2 through an adjusting mechanism 3, and the mounting rod 2 is connected with a plurality of clamping rings 5 through a connecting mechanism 4; the snap ring 5 can be set to 3, also can be 4 also can be 5, but all can be to all external pipelines of air handling unit stably fixed can, the snap ring 5 sets to 3 in this embodiment, and 3 snap rings 5 set up along the length direction of installation pole 2, and the snap ring 5 includes segmental arc 51 and lower segmental arc 52, goes up segmental arc 51 and is located directly over segmental arc 52 down, and goes up segmental arc 51 and lower segmental arc 52 and form the centre gripping chamber 53 that is used for centre gripping air conditioner pipeline.

Referring to fig. 1 and 2, the connecting mechanism 4 includes a sliding plate 43, a sliding block 42, a first screw 45, and a connecting assembly 44 for connecting the sliding plate 43 and each snap ring 5, the connecting assembly 44 is provided with a plurality of groups, and the connecting assemblies 44 and the snap rings 5 are arranged in a one-to-one correspondence, in this embodiment, the connecting assembly 44 is provided with three groups; offer the groove 41 that slides that is used for the sliding block 42 to slide on the installation pole 2, the length direction setting of installation pole 2 is followed to the groove 41 that slides, the installation pole 2 one side is kept away from to the sliding block 42 and is connected with the shifting board 43, and the sliding block 42 welds with the shifting board 43, the length direction of shifting board 43 is the same with the length direction of installation pole 2, first screw rod 45 runs through the sliding block 42, and first screw rod 45 and shifting block 42 threaded connection, first screw rod 45 rotates with installation pole 2 to be connected, and first screw rod 45 stretches out the welding on the extension section of installation pole 2 and has the turning handle 451.

Referring to fig. 3, 4 and 5, the connecting assembly 44 includes a sliding block 442, a driving member 444 for pushing the sliding block 442 to move toward the side of the mounting seat 1, and a first spring 443 for pushing the sliding block 442 to move toward the side away from the mounting seat 1, a sliding groove 441 for sliding the sliding block 442 is formed on the side of the sliding plate 43 away from the sliding block 42, and the sliding groove 441 is arranged along the length direction of the sliding plate 43; the first spring 443 is positioned in the sliding groove 441, the first spring 443 is positioned above the sliding block 442, one end of the first spring 443 is welded with the groove wall of the sliding groove 441, and the other end of the first spring 443 is welded with the sliding block 442; slide 442 is kept away from slide 43 one side fixedly connected with guide bar 54, guide bar 54 sets up along the length direction of sliding tray 441, and guide bar 54 welds on slide 442 through the connection lug, guide bar 54 runs through last segmental arc 51 and lower segmental arc 52 setting, and segmental arc 52 and slide 442 welding down, guide bar 54 slides with last segmental arc 51 and is connected, the cover is equipped with the second spring 55 that makes the segmental arc 51 move to segmental arc 52 one side down on the guide bar 54, second spring 55 one end and last segmental arc 51 welding, the other end and segmental arc 52 welding down.

Referring to fig. 4 and 5, the driving member 444 includes a pushing block 4442 and a second screw 4443, the pushing block 4442 abuts against the bottom wall of the sliding block 442, and a side wall of the pushing block 4442 on a side close to the sliding block 442 is inclined from a high end close to the second screw 4443 to a low end far from the second screw 4443; the side wall of the sliding plate 43 is provided with a guide sliding groove 4441 for abutting against the sliding block 4442 to slide, the guide sliding groove 4441 is communicated with the sliding groove 441, the second screw 4443 is arranged along the length direction of the guide sliding groove 4441, the second screw 4443 penetrates through the sliding plate 43, the second screw 4443 is in threaded connection with the sliding plate 43, one end of the second screw 4443 extending into the guide sliding groove 4441 is rotatably connected with the abutting against block 4442, and the extending section of the second screw 4443 extending out of the sliding plate 43 is welded with a handle 4444.

Referring to fig. 6 and 7, the adjusting mechanism 3 includes a slider 32 and a limiting member 36 for fixing the position of the slider 32, the limiting member 36 is located on the mounting base 1, a sliding groove 31 for sliding the slider 32 is formed in the mounting base 1, the sliding groove 31 is arranged along the length direction of the mounting base 1, and the sliding groove 31 and the bolt hole 11 are arranged in a staggered manner; in order to adjust the orientation of the clamping ring 5, the mounting rod 2 is rotatably connected with the sliding block 32, and the mounting rod 2 rotates along the circumferential direction; the mounting rod 2 is sleeved with a limiting ring 35, the limiting ring 35 is connected with the mounting rod 2 in a sliding mode, a fixing ring 33 is arranged on the mounting rod 2, the fixing ring 33 is welded with the mounting rod 2, the fixing ring 33 is located below the limiting ring 35, at least one fourth spring 34 enabling the limiting ring 35 to move towards one side of the mounting seat 1 is arranged between the fixing ring 33 and the limiting ring 35, one end of the fourth spring 34 is welded with the fixing ring 33, and the other end of the fourth spring is welded with the limiting ring 35; the limiting rod 351 is arranged on one side, away from the fixing ring 33, of the limiting ring 35, the limiting rod 351 is welded with the limiting ring 35, a plurality of limiting holes 37 for inserting the limiting rod 351 are formed in the mounting seat 1, the number of the limiting holes 37 can be 3, 4 or 6, but the limit of the orientation of the clamping ring 5 can be realized, the number of the limiting holes 37 in the embodiment is 6, and the 6 limiting holes 37 are uniformly distributed along the circumferential direction of the limiting ring 35; in order to enable the limiting ring 35 and the mounting rod 2 to rotate synchronously, a guide block 39 is arranged on the inner side wall of the limiting ring 35, the guide block 39 is welded with the limiting ring 35, a guide groove 38 for the guide block 39 to slide is formed in the mounting rod 2, and the length direction of the guide groove 38 is arranged along the length direction of the mounting rod 2.

Referring to fig. 6 and 7, the limiting member 36 includes a push rod 364, a third spring 365, a rack 361 and a limiting toothed plate 363 engaged with the rack 361, a limiting groove 362 for embedding the limiting toothed plate 363 is formed in one side of the mounting base 1, the limiting groove 362 is formed along the length direction of the sliding chute 31, the limiting groove 362 is communicated with the sliding chute 31, one side of the sliding block 32 close to the limiting toothed plate 363 is connected with the rack 361, the sliding block 32 is integrally connected with the rack 361, the third spring 365 is located between the limiting toothed plate 363 and the limiting groove 362, one end of the third spring 365 is welded to the limiting toothed plate 363, the other end of the third spring 365 is welded to the limiting toothed plate 363, and the third spring 365 pushes the limiting toothed plate 363 to move to one side of the rack 361; the push rod 364 penetrates through the side wall of the mounting seat 1 and is welded with the limit toothed plate 363, the push rod 364 is connected with the mounting seat 1 in a sliding mode, and the push rod 364 extends out of the extending section of the mounting seat 1 and is welded with a push handle 366.

The implementation principle of the pipeline mounting structure of the ceiling type air handling unit in the embodiment of the application is as follows: when the air-conditioning pipeline is installed, according to the installation requirement of the air-conditioning pipeline, a hole is formed in the top wall of a building, the installation seat 1 is fixed on the top wall of the building through a bolt, then the rotating handle 451 is adjusted, the rotating handle 451 drives the first screw rod 45 to rotate, the first screw rod 45 drives the sliding block 42 to move along the sliding groove 41, the sliding block 42 drives the sliding plate 43 to move, the sliding plate 43 drives the sliding block 42 to move, the sliding block 42 drives the sliding plate 43 to move, the sliding plate 43 drives the sliding block 442 to move, the sliding block 442 drives the snap ring 5 to move, and the distance between the snap ring 5 and the top wall of the building meets the installation requirement of the air-conditioning pipeline; then, fine adjustment is carried out on the position of the clamping ring 5 according to the installation heights of different air-conditioning pipelines, when the clamping ring 5 is fine adjusted, the handle 4444 is rotated, the handle 4444 drives the second screw 4443 to rotate, the second screw 4443 pushes the abutting and pushing block 4442 to move, the abutting and pushing block 4442 applies force to the sliding block 442, the sliding block 442 slides along the sliding groove 441, meanwhile, the sliding block 442 drives the clamping ring 5 to move, when the sliding block moves to the position which meets the installation height of the air-conditioning pipeline, the rotation of the handle 4444 is stopped, and then the air-conditioning pipeline is installed on the clamping ring 5; finally, a force is applied to the push handle 366, the push handle 366 drives the push rod 364 to move, the push rod 364 drives the limit toothed plate 363 to move, the limit toothed plate 363 and the rack 361 are separated when the push rod 364 moves, the third spring 365 is compressed, the sliding block 32 can slide along the sliding groove 31, the position of the sliding block 32 is adjusted, the sliding block 32 drives the installation rod 2 to move, the installation rod 2 moves on the installation seat 1 until the construction requirements are met, then the force is applied to the push handle 366 when the installation rod stops, the third spring 365 is recovered, the third spring 365 applies a force to the limit toothed plate 363, the limit toothed plate 363 moves to one side of the rack 361, the limit toothed plate 363 and the toothed plate are meshed when the installation rod 2 moves, the position of the sliding block 32 is fixed, and the installation of the air conditioner pipeline is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.