1. A ventilating duct of refrigeration machinery and a mounting method thereof are characterized in that: comprises an air duct transverse plate (1);

the air duct transverse plates (1) are arranged in pairs, and the two groups of air duct transverse plates (1) are distributed up and down symmetrically;

the air duct vertical plates (2) are arranged in pairs, the two groups of air duct vertical plates (2) are distributed in bilateral symmetry, and the two groups of air duct transverse plates (1) and the two groups of air duct vertical plates (2) jointly enclose a square air duct structure;

the transverse vertical plate connecting assembly is positioned at the connecting part of the air duct transverse plate (1) and the air duct vertical plate (2);

the same-plate connecting component is arranged at the joint of two adjacent groups of air channel transverse plates (1), and the joints of two groups of air channel vertical plates (2) which are connected at the same time are also connected through the same-plate connecting component;

the automatic sealing device is arranged on the left side and the right side of the air duct transverse plate (1).

2. A ventilating duct for a refrigerating machine and a method of installing the same according to claim 1, wherein: the adjacent air duct transverse plates (1) and the air duct vertical plates (2) are connected in a staggered manner.

3. A ventilating duct for a refrigerating machine and a method of installing the same according to claim 1, wherein: the horizontal board coupling assembling still including:

the mounting clamping grooves (101) are formed in the left side and the right side of the air duct transverse plate (1), and the mounting clamping grooves (101) are of dovetail groove structures;

the mounting fixture block (201), the mounting fixture block (201) is arranged on the upper end face and the lower end face of the air duct vertical plate (2), the mounting fixture block (201) is of a dovetail wedge structure, and the mounting fixture block (201) is connected with the mounting clamp groove (101) in a clamping mode.

4. A ventilating duct for a refrigerating machine and a method of installing the same according to claim 1, wherein: the automatic sealing device is a cavity structure filled with sealant, and further comprises:

the sealing ball (103) is located at the opening of the automatic sealing device, the sealing ball (103) is arranged in the mounting clamping groove (101), and the sealing ball (103) is elastically connected with the air duct transverse plate (1) through a spring and seals the opening of the automatic sealing device.

5. A ventilating duct for a refrigerating machine and a method of installing the same according to claim 4, wherein: the automatic sealing device also comprises:

the sealant pushing plate (102) is connected inside a cavity of the automatic sealing device in a sliding mode, and the sealant pushing plate (102) is elastically connected with the air duct transverse plate (1) through a spring.

6. A ventilating duct for a refrigerating machine and a method of installing the same according to claim 1, wherein: with board coupling assembling still including:

the connecting hole (105) is positioned on the right side of the air duct transverse plate (1), and the left side of the connecting hole (105) is of a conical flaring structure;

the positioning boss (104) is located on the left side of the air duct transverse plate (1), the diameter of the positioning boss (104) is slightly smaller than the connecting hole (105), and the positioning boss (104) is opposite to the connecting hole (105).

7. A ventilating duct for a refrigerating machine and a method of installing the same according to claim 6, wherein: with board coupling assembling still including:

the pressing action block (5), the pressing action block (5) is connected to the left side of the air duct transverse plate (1) in a sliding manner;

the pressing swing rods (7) are arranged in groups, each group of pressing swing rods (7) is formed by arranging five pressing swing rods (7) in a circumferential array manner, and each group of positioning bosses (104) is hinged with one group of pressing swing rods (7);

the pressing linkage rods (6) are hinged to the other ends of the pressing swing rods (7), the pressing linkage rods (6) are hinged to the other ends of the pressing linkage rods (6), the other ends of the pressing linkage rods (6) are hinged to the pressing action blocks (5), and the pressing action blocks (5), the pressing linkage rods (6), the pressing swing rods (7) and the air duct transverse plate (1) form a crank-slider transmission mechanism together.

8. A ventilating duct for a refrigerating machine and a method of installing the same according to claim 7, wherein: with board coupling assembling still including:

compress tightly driving piece (3), compress tightly driving piece (3) and rotate to be connected in the left side of wind channel diaphragm (1), compress tightly driving piece (3) still including: the compression driving screw rods (301), the compression driving screw rods (301) are coaxially and fixedly connected to the front end face and the rear end face of the compression driving piece (3), and the screw pitches of the two groups of compression driving screw rods (301) are the same and the rotation directions are opposite;

the air duct transverse plate pressing device is characterized by comprising a pressing driving block (4), wherein the pressing driving block (4) is connected to the front end face and the rear end face of the left side of an air duct transverse plate (1) in a sliding mode, and the pressing driving block (4) and a pressing driving lead screw (301) are in threaded transmission connection to form a lead screw nut transmission pair.

9. A ventilating duct for a refrigerating machine and a method of installing the same according to claim 8, wherein: the pressing driving block (4) further comprises:

the pressing guide groove (401) is formed in the upper end face and the lower end face of the pressing driving block (4).

10. A ventilating duct for a refrigerating machine and a method of installing the same according to claim 9, wherein: the pressing driving block (4) is also provided with:

the pressing driving inclined plane (402), the pressing driving inclined plane (402) is arranged on the right end face of the pressing driving block (4);

the pressing action block (5) also comprises:

the driven bevel pressing mechanism is characterized in that the driven bevel pressing surface (501) is pressed, a group of driven bevel pressing surfaces (501) is arranged on the front end surface and the rear end surface of the driven bevel pressing surface (501), and the driven bevel pressing surface (501) and the bevel pressing driving surface (402) are matched to form a wedge block structure.

Background

The refrigeration machinery is a mechanical equipment for providing low temperature for refrigeration equipment, freezing equipment, fresh-keeping equipment and other equipment, the position needing temperature reduction is generally required to be cooled through a blowing mode in the application process of the refrigeration machinery, and ventilation pipelines are generally adopted to provide ventilation.

For example, application No.: CN201921315095.0 the utility model discloses a connecting device of a refrigeration equipment air duct, which comprises an air duct and a flexible duct, wherein the air duct is symmetrically sleeved at the two ends of the flexible duct, the inner walls of the two ends of the flexible duct are sleeved with sealing gaskets, the inner side and the outer side of the sealing gaskets are respectively tightly attached to the air duct and the flexible duct, the two ends of the flexible duct are sleeved with locking devices, the outer side of the flexible duct is sleeved with a sleeve, the two ends of the sleeve are tightly attached to the flexible duct, the sleeve is made of flexible wear-resistant material, the locking devices are positioned at one end of the air duct close to the flexible duct, the locking devices are tightly attached to the sleeve, the locking devices comprise a first sleeve ring and a second sleeve ring, the connecting device of the refrigeration equipment air duct has the advantages of simple structure, cost saving, bending, installation flexibility and good sealing performance, the practicability is strong.

Based on the above, in the installation and use of the existing ventilation duct, the sealing effect of the joint is not good only through plane connection, meanwhile, the contact surface needs to be coated with the sealant during the installation, the operation is troublesome, and meanwhile, the situation that the sealant is forgotten to be coated due to negligence easily occurs in the working process; therefore, the existing requirements are not met, and a ventilation pipeline of the refrigeration machinery and an installation method thereof are provided.

Disclosure of Invention

The invention aims to provide a ventilating duct of a refrigerating machine and an installation method thereof, which solve the problems that the sealing effect of the joint is poor because the existing ventilating duct proposed in the background technology only needs to be connected through a plane in the installation and use, the operation is troublesome because the contact surface needs to be coated with a sealant in the installation, and meanwhile, the situation that the sealant is forgotten to be coated due to negligence easily occurs in the working process.

In order to achieve the purpose, the invention provides the following technical scheme: a ventilating duct of refrigeration machinery and its installation method, including the air duct diaphragm;

the air duct transverse plates are arranged in pairs, and the two groups of air duct transverse plates are distributed in an up-and-down symmetrical manner;

the air duct vertical plates are arranged in pairs, the two groups of air duct vertical plates are distributed in bilateral symmetry, and the two groups of air duct transverse plates and the two groups of air duct vertical plates jointly enclose a square air duct structure;

the transverse vertical plate connecting assembly is positioned at the connecting part of the air duct transverse plate and the air duct vertical plate;

the same-plate connecting assembly is arranged at the connecting position of two adjacent groups of air duct transverse plates, and the connecting positions of two groups of air duct vertical plates which are connected at the same time are also connected through the same-plate connecting assembly;

and the automatic sealing devices are arranged on the left side and the right side of the air duct transverse plate.

Preferably, the adjacent air duct transverse plates and the air duct vertical plates are connected in a staggered manner.

Preferably, the transverse plate connecting assembly further comprises:

the mounting clamping grooves are formed in the left side and the right side of the air duct transverse plate and are of dovetail groove structures;

and the mounting fixture block is arranged on the upper end surface and the lower end surface of the air duct vertical plate, is of a dovetail wedge block structure and is connected with the mounting clamping groove in a clamping manner.

Preferably, the automatic sealing device is a chamber structure filled with a sealant, and the automatic sealing device further includes:

the sealing ball is positioned on the opening part of the automatic sealing device and arranged in the mounting clamping groove, and the sealing ball is elastically connected with the air duct transverse plate through a spring and seals the opening of the automatic sealing device.

Preferably, the automatic sealing device further comprises:

the sealant pushing plate is connected inside the cavity of the automatic sealing device in a sliding mode and is elastically connected with the air duct transverse plate through a spring.

Preferably, the same-plate connecting assembly further comprises:

the connecting hole is positioned on the right side of the air duct transverse plate, and the left side of the connecting hole is of a conical flaring structure;

the positioning boss is located on the left side of the air duct transverse plate, the diameter of the positioning boss is slightly smaller than the connecting hole, and the positioning boss is opposite to the connecting hole.

Preferably, the same-plate connecting assembly further comprises:

the pressing action block is connected to the left side of the air duct transverse plate in a sliding manner;

the pressing swing rods are arranged in groups, each group of pressing swing rods is formed by arranging five pressing swing rods in a circumferential array manner, and each group of positioning bosses is hinged with one group of pressing swing rods;

the other end of each compressing oscillating bar is respectively hinged with one compressing interlocking bar, the other end of each compressing interlocking bar is hinged with a compressing action block, and a crank slider transmission mechanism is formed among the compressing action block, the compressing interlocking bar, the compressing oscillating bars and the wind tunnel transverse plate.

Preferably, the same-plate connecting assembly further comprises:

compress tightly the driving piece, compress tightly the driving piece and rotate the left side of connecting at the wind channel diaphragm, compress tightly the driving piece still including: the compression driving screw rods are coaxially and fixedly connected to the front end surface and the rear end surface of the compression driving piece, and the screw pitches of the two groups of compression driving screw rods are the same and the rotation directions are opposite;

the pressing driving block is connected inside the front end face and the rear end face of the left side of the air duct transverse plate in a sliding mode, and the pressing driving block and the pressing driving lead screw are in threaded transmission connection to form a lead screw nut transmission pair.

Preferably, the pressing driving block further comprises:

the pressing guide groove is formed in the upper end face and the lower end face of the pressing driving block.

Preferably, the pressing driving block is further provided with:

the pressing driving inclined plane is arranged on the right end face of the pressing driving block;

the action block of compressing tightly still includes:

the front end face and the rear end face of the pressing driven inclined plane are provided with a group of pressing driven inclined planes, and the pressing driven inclined planes and the pressing driving inclined plane are matched to form a wedge block structure.

Compared with the prior art, the invention has the beneficial effects that:

when the air duct transverse plate and the air duct vertical plate are installed, the installation fixture block is connected with the installation clamping groove in an inserting mode to achieve connection and installation of the air duct transverse plate and the air duct vertical plate, when the installation fixture block is inserted into the installation clamping groove, the installation fixture block jacks up a blocking ball, the blocking ball opens an opening of an automatic sealing device, under the elastic force of a spring, a sealant pushing plate slides downwards, sealant in a cavity of the automatic sealing device is extruded out through the opening of the automatic sealing device, and a gap between the installation fixture block and the installation clamping groove is sealed.

When the air duct connecting device is installed between two adjacent air duct transverse plates or between two adjacent air duct vertical plates, the positioning boss is connected with the connecting hole in a clamping mode, the compression driving piece is rotated, the compression driving piece and the compression driving screw are in threaded transmission connection to form a screw nut transmission pair which drives the two groups of compression driving pieces to synchronously and reversely slide, the compression driving piece drives the compression action piece to slide rightwards through a wedge block structure which is formed by matching a compression driven inclined plane and a compression driving inclined plane, the compression action piece drives the compression swing rod to swing through a crank block transmission mechanism which is formed by matching a compression action block, a compression linkage rod, the compression swing rod and the air duct transverse plates, and the compression swing rod is compressed on the connecting hole to realize the connection between the two adjacent air duct transverse plates.

The invention realizes the plug-in connection through the dovetail structure, has stable connection and good sealing effect, simultaneously automatically opens the automatic sealing device when in installation, fills the sealant into the gap and ensures the sealing effect, meanwhile, the manual addition of the sealant is not needed during the use, the operation is reduced, the working efficiency is greatly improved, the situation of forgetting to add the sealant is effectively avoided, simultaneously, the simultaneous connection of a plurality of connecting holes can be realized by operating the compression driving piece, the operation is reduced, and the installation working efficiency is improved.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic view of the left side structure of the present invention;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 2;

FIG. 4 is a cross-sectional structural schematic view of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4;

FIG. 6 is a schematic axial side view of the air duct cross plate of the present invention;

FIG. 7 is an enlarged view of a portion of the structure of FIG. 6B;

FIG. 8 is an enlarged view of a portion of the structure of FIG. 6 at C according to the present invention;

FIG. 9 is a schematic side view of the same-board connecting assembly of the present invention;

FIG. 10 is a schematic view of the side structure of the transmission shaft of the pressing driving block of the present invention;

FIG. 11 is a schematic axial view of a pressing block according to the present invention;

in the figure: 1. an air duct transverse plate; 101. installing a clamping groove; 102. a sealant pusher plate; 103. plugging the ball; 104. positioning the boss; 105. connecting holes; 2. an air duct vertical plate; 201. mounting a clamping block; 3. compressing the driving member; 301. compressing the driving screw; 4. compressing the driving block; 401. pressing the guide groove; 402. compressing the driving inclined plane; 5. a pressing action block; 501. compressing the driven inclined plane; 6. compressing the linkage rod; 7. and pressing the swing rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 11, an embodiment of the present invention includes: a ventilating duct of refrigeration machinery and its installation method, including the air duct diaphragm 1;

the air duct transverse plates 1 are arranged in pairs, and the two groups of air duct transverse plates 1 are distributed up and down symmetrically;

the air duct vertical plates 2 are arranged in pairs, the two sets of air duct vertical plates 2 are distributed in bilateral symmetry, and the two sets of air duct transverse plates 1 and the two sets of air duct vertical plates 2 jointly enclose a square air duct structure;

the transverse vertical plate connecting assembly is positioned at the connecting part of the air duct transverse plate 1 and the air duct vertical plate 2;

the same-plate connecting assembly is arranged at the joint of two adjacent groups of air duct transverse plates 1, and the joints of two groups of air duct vertical plates 2 which are connected at the same time are also connected through the same-plate connecting assembly; further, with board coupling assembling still including: the pressing action block 5 is connected to the left side of the air duct transverse plate 1 in a sliding manner; the pressing swing rods 7 are arranged in groups, each group of pressing swing rods 7 is formed by arranging five pressing swing rods 7 in a circumferential array manner, and each group of positioning bosses 104 is hinged with one group of pressing swing rods 7; the pressing linkage rods 6 are connected to the other ends of the pressing swing rods 7 through hinges respectively, the pressing linkage rods 6 are connected to the other ends of the pressing linkage rods 6 through hinges, the other ends of the pressing linkage rods 6 are connected with the pressing action blocks 5 through hinges, the pressing action blocks 5, the pressing linkage rods 6, the pressing swing rods 7 and the air duct transverse plates 1 jointly form a crank block transmission mechanism, when the pressing action blocks 5 slide left and right in use, the pressing action blocks 5 drive the pressing swing rods 7 to swing through the crank block transmission mechanism formed by the pressing action blocks 5, the pressing linkage rods 6, the pressing swing rods 7 and the air duct transverse plates 1 jointly, the pressing swing rods 7 are pressed on the connecting holes 105, and connection between the two adjacent air duct transverse plates 1 is achieved. Further, with board coupling assembling still including: compress tightly driving piece 3, compress tightly driving piece 3 and rotate the connection in the left side of wind channel diaphragm 1, compress tightly driving piece 3 still including: the compaction driving screw rods 301, the compaction driving screw rods 301 are coaxially and fixedly connected to the front end surface and the rear end surface of the compaction driving piece 3, and the screw pitches of the two groups of compaction driving screw rods 301 are the same and the turning directions are opposite; compress tightly driving block 4, compress tightly inside driving block 4 sliding connection terminal surface around the left side of wind channel diaphragm 1, compress tightly driving block 4 and compress tightly drive lead screw 301 screw thread transmission and be connected and constitute screw nut transmission pair jointly, in use, when rotatory compression driving piece 3, compress tightly driving piece 3 and constitute screw nut transmission pair jointly with compressing tightly driving block 4 and compress tightly drive lead screw 301 screw thread transmission and be connected and drive two sets of synchronous reverse slip that compress tightly driving block 4. Further, the pressing driving block 4 further includes: the pressing guide groove 401 is formed in the upper end face and the lower end face of the pressing driving block 4, and the pressing guide groove 401 guides the pressing driving block 4. Further, the pressing drive block 4 is also provided with: a pressing driving inclined plane 402, wherein the pressing driving inclined plane 402 is arranged on the right end surface of the pressing driving block 4; the pressing action block 5 further comprises: compress tightly driven inclined plane 501, the terminal surface all is provided with a set of driven inclined plane 501 that compresses tightly around compressing tightly driven inclined plane 501, compresses tightly driven inclined plane 501 and compresses tightly drive inclined plane 402 inclined plane cooperation and constitute the voussoir structure jointly, and in use, when compressing tightly drive block 4 while reverse slip, compresses tightly drive block 4 and drives through compressing tightly the voussoir structure that the inclined plane cooperation of drive inclined plane 402 constitutes jointly by compressing tightly driven inclined plane 501 and compressing tightly 5 horizontal slips. The automatic sealing device is arranged on the left side and the right side of the air duct transverse plate 1. Furthermore, the adjacent air duct transverse plates 1 and the air duct vertical plates 2 are connected in a staggered manner, so that air leakage at the joints is effectively avoided. Further, horizontal riser coupling assembling still including: the mounting clamping grooves 101 are formed in the left side and the right side of the air duct transverse plate 1, and the mounting clamping grooves 101 are of dovetail groove structures; the installation fixture block 201 is arranged on the upper end face and the lower end face of the air duct vertical plate 2, the installation fixture block 201 is of a dovetail wedge block structure, the installation fixture block 201 is connected with the installation clamping groove 101 in a clamping mode, and in use, the air duct transverse plate 1 and the air duct vertical plate 2 are connected and installed through the connection of the installation fixture block 201 and the installation clamping groove 101 in a clamping mode. Further, the automatic sealing device is a cavity structure filled with sealant, and the automatic sealing device further comprises: the sealing ball 103, the sealing ball 103 is located automatic sealing device's opening position, and the sealing ball 103 sets up in installation clamping groove 101, sealing ball 103 passes through spring and 1 elastic connection of wind channel diaphragm, and seal the automatic sealing device opening, in use, insert installation clamping groove 101 when installation fixture block 201, installation fixture block 201 up jack-up sealing ball 103, sealing ball 103 opens automatic sealing device's opening, the packing force through sealing ball 103 has guaranteed dovetail structure inclined plane department simultaneously and has compressed tightly the effect, guarantee good sealed effect.

Further, the automatic sealing device further comprises:

the sealant pushing plate 102 is connected inside the cavity of the automatic sealing device in a sliding mode, the sealant pushing plate 102 is elastically connected with the air duct transverse plate 1 through a spring, when the opening of the automatic sealing device is opened in use, the sealant pushing plate 102 slides downwards under the elastic force of the spring, sealant in the cavity of the automatic sealing device is extruded out through the opening of the automatic sealing device, and a gap between the installation clamping block 201 and the installation clamping groove 101 is sealed.

Further, with board coupling assembling still including:

the connecting hole 105 is positioned on the right side of the air duct transverse plate 1, and the left side of the connecting hole 105 is of a conical flaring structure;

the positioning bosses 104 are located on the left side of the air duct transverse plates 1, the diameter of each positioning boss 104 is slightly smaller than that of each connecting hole 105, the positioning bosses 104 are opposite to the connecting holes 105, in use, the positioning bosses 104 of the two adjacent air duct transverse plates 1 are connected with the connecting holes 105 in a clamping mode, and positioning of the two adjacent air duct transverse plates 1 is achieved through the positioning bosses 104.

The working principle is as follows: when the air duct transverse plate 1 and the air duct vertical plate 2 are installed, the air duct transverse plate 1 and the air duct vertical plate 2 are connected and installed through the insertion connection of the installation fixture block 201 and the installation fixture groove 101, when the installation fixture block 201 is inserted into the installation fixture groove 101, the installation fixture block 201 jacks up the blocking ball 103, the opening of the automatic sealing device is opened by the blocking ball 103, under the elastic force action of the spring, the sealant pushing plate 102 slides down, sealant in a cavity of the automatic sealing device is extruded out through the opening of the automatic sealing device, and a gap between the installation fixture block 201 and the installation fixture groove 101 is sealed; when the air duct connecting device is installed between two adjacent air duct transverse plates 1 or between two adjacent air duct vertical plates 2, the positioning boss 104 is connected with the connecting hole 105 in a clamping mode, the compression driving piece 3 is rotated, the compression driving piece 3 and the compression driving block 4 are connected in a threaded transmission mode to form a screw nut transmission pair together to drive the two groups of compression driving blocks 4 to synchronously and reversely slide, the compression driving block 4 drives the compression action block 5 to slide rightwards through a wedge block structure formed by matching the compression driven inclined plane 501 and the compression driving inclined plane 402, the compression action block 5 drives the compression swing rod 7 to swing through a crank block transmission mechanism formed by matching the compression action block 5, the compression linkage rod 6, the compression swing rod 7 and the air duct transverse plates 1, and the compression swing rod 7 is tightly pressed on the connecting hole 105 to realize the connection between the two adjacent air duct transverse plates 1.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.