1. The utility model provides a high leakproofness refrigeration plant pipe connection device convenient to change which characterized in that: comprises a condenser connecting pipe (1), a pipeline (2) and a connecting component (3);

condenser connecting pipe (1) is connected in the one end of coupling assembling (3), and the other end of coupling assembling (3) is connected and is provided with pipeline (2).

2. The easy-to-replace high-sealability refrigeration equipment pipeline connecting device according to claim 1, wherein: condenser connecting pipe (1) is provided with connection insert ring (4) with the end integrated into one piece that is connected of coupling assembling (3), and the terminal surface integrated into one piece of connection insert ring (4) one end is provided with sealed bulge loop (5) to the lateral wall of connecting insert ring (4) is provided with ring groove (6), and the one end of pipeline (2) also is provided with connects insert ring (4).

3. The easy-to-replace high-sealability refrigeration equipment pipeline connecting device according to claim 1, wherein: the connecting assembly (3) comprises a connecting pipe (301), a connecting slot (302), a sealing gasket (303), an annular groove (304), a sealing fixture block (305), a convex block (306), a first movable extrusion block (307), an extrusion spring (308), a first extrusion arc-shaped chute (309), a sleeve ring (310) and a locking clamping groove (311), wherein the connecting slot (302) is symmetrically arranged on the inner side wall of the two ends of the connecting pipe (301), the connecting insertion ring (4) is connected in the connecting slot (302) in an inserting manner, the sealing gasket (303) is arranged in the connecting slot (302) in an adhering manner, the annular groove (304) is arranged on the sealing gasket (303), the sealing fixture block (305) is movably and symmetrically arranged in the connecting pipe (301), the convex block (306) is integrally formed at one end of the sealing fixture block (305), and the first return spring is symmetrically arranged at the end of the sealing fixture block (305) connected with the convex block (306), the other end of the first return spring is arranged in the connecting pipe (301), a first movable extrusion block (307) is movably arranged in the bump (306), one end of the first movable extrusion block (307) is movably arranged in the bump (306), and an extrusion spring (308) is arranged on the end portion of the first movable extrusion block in an integrated mode, the other end of the extrusion spring (308) is integrally arranged in the bump (306), the other end of the first movable extrusion block (307) is movably arranged in a first extrusion arc-shaped chute (309), the first extrusion arc-shaped chute (309) is equidistantly arranged in the lantern ring (310), the lantern ring (310) is movably sleeved on the connecting pipe (301) and symmetrically arranged at two ends of the connecting pipe (301), the outer side wall of the lantern ring (310) is provided with a locking clamping groove (311), and a locking mechanism (7) is arranged on the connecting assembly (3).

4. The easy-to-replace high-sealability refrigeration equipment pipe connecting device according to claim 3, wherein: the first extrusion arc-shaped chute (309) corresponds to the first movable extrusion block (307) and the sealing fixture block (305) in arrangement position, the number of the sets is the same, four sets are arranged, and the end part of the first movable extrusion block (307) arranged at one end of the first extrusion arc-shaped chute (309) is an arc-shaped curved surface.

5. The easy-to-replace high-sealability refrigeration equipment pipe connecting device according to claim 6, wherein: the sealing clamping block (305) corresponds to the annular clamping groove (6) in position, one end of the sealing clamping block (305) is arranged to be an arc-shaped surface and is in a quarter arc shape, and the thickness of the sealing clamping block (305) is equal to the width of the notch of the annular clamping groove (6).

6. The easy-to-replace high-sealability refrigeration equipment pipe connecting device according to claim 3, wherein: the locking mechanism (7) comprises a fixing ring (701), a concave movable strip (702), a second movable extrusion block (703), a second extrusion arc chute (704) and an internal thread connecting ring (705), the fixing ring (701) is integrally formed on the connecting pipe (301), arc convex plates are symmetrically arranged on two sides of the fixing ring (701) in an integrated forming mode and are arranged at the side positions of the lantern ring (310), the concave movable strip (702) is movably arranged in the fixing ring (701), two ends of the concave movable strip (702) extend into the arc convex plates, second return springs are symmetrically arranged on the concave movable strip (702), the second movable extrusion block (703) is integrally formed on one side of the concave movable strip (702), the other end of the second movable extrusion block (703) is movably arranged in the second extrusion arc chute (704), the second extrusion arc chute (704) is arranged in the internal thread connecting ring (705), the internal thread connecting ring (705) is arranged on the fixing ring (701) in a threaded connection mode, and a convex block is integrally formed on the outer side wall of the internal thread connecting ring (705).

7. The easy-to-replace high-sealability refrigeration equipment pipe connecting device according to claim 6, wherein: the second extrusion arc-shaped chutes (704) correspond to the second movable extrusion blocks (703) in arrangement position and are arranged in the same number, and the width of the notch of the second extrusion arc-shaped chute (704) is larger than the width of the section of the end part of the second movable extrusion block (703).

8. The easy-to-replace high-sealability refrigeration equipment pipe connecting device according to claim 6, wherein: the concave movable strip (702) corresponds to the locking clamping groove (311) in arrangement position, and the cross section of the end part of the concave movable strip (702) is the same as that of the groove opening of the locking clamping groove (311), namely the cross sections of the concave movable strip and the locking clamping groove are equal in length and width.

9. A method for replacing a pipe connection device of a high-sealability refrigerating apparatus which is easy to replace as claimed in any one of claims 1 to 8, wherein the replacing method comprises the steps of:

s1: the method comprises the following steps of (sealing connection) firstly, inserting and connecting a connecting slot (302) at one end of a connecting component (3) with a connecting insert ring (4) at one end of a condenser connecting pipe (1), simultaneously, clamping a sealing convex ring (5) arranged at one end of the connecting insert ring (4) into an annular groove (304) on a sealing gasket (303), then clamping a sealing clamping block (305) into an annular clamping groove (6) on the connecting insert ring (4) by rotating a sleeve ring (310), and connecting the other end of the connecting component (3) with a pipeline (2) according to the operation process;

s2: after the sealing and locking, the sealing connection among the condenser connecting pipe (1), the pipeline (2) and the connecting assembly (3) is locked through a locking mechanism (7) arranged on the connecting pipe (301), namely, the connection sealing performance of the condenser connecting pipe is enhanced, and the two ends of the concave movable strip (702) are respectively clamped into a locking clamping groove (311) on the lantern ring (310) by rotating the internal thread connecting ring (705), so that the position of the lantern ring (310) is locked and fixed, namely, the locking and sealing work can be quickly finished;

s3: (change work) at first reverse rotation internal thread go-between (705), make the both ends of concave type activity strip (702) separate from locking draw-in groove (311) on the lantern ring (310), after reverse rotation lantern ring (310) again, make sealed fixture block (305) separate from annular draw-in groove (6) on connecting insert ring (4), promptly to condenser connecting pipe (1), pipeline (2), the sealing connection of coupling assembling (3) three is fixed to be relieved, demolish coupling assembling (3) fast, later when carrying out the coupling assembling (3) of renewal, only need can install fast according to step S1 and S2.

Background

The refrigeration equipment is mainly used for refrigerating crew food, various goods and cabin air in summer; mainly comprises a compressor, an expansion valve, an evaporator, a condenser, accessories and pipelines; it can be divided into compression refrigeration equipment, absorption refrigeration equipment, steam jet refrigeration equipment, heat pump refrigeration equipment, electric heating refrigeration equipment, etc. according to the working principle.

For the connection between a condenser and a pipeline in refrigeration equipment, the connection sealing treatment is usually carried out simply by using a sealing ring, on one hand, the sealing performance is poor, the sealing use cannot be met, on the other hand, the sealing component is aged and damaged, and when the sealing component needs to be replaced, the replacement is troublesome, inconvenience is brought to workers, and the normal operation of the refrigeration equipment can be influenced.

Disclosure of Invention

The invention aims to provide a high-sealing refrigeration equipment pipeline connecting device convenient to replace and a replacing method, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a high-sealing refrigeration equipment pipeline connecting device convenient to replace comprises a condenser connecting pipe, a pipeline and a connecting assembly;

the condenser connecting pipe is connected at the one end of coupling assembling, and coupling assembling's other end is connected and is provided with the pipeline.

Preferably, the condenser connecting pipe is provided with a connecting insert ring in an integrally formed manner with the connecting end of the connecting assembly, a sealing convex ring is arranged on the end face of one end of the connecting insert ring in an integrally formed manner, an annular clamping groove is formed in the outer side wall of the connecting insert ring, and the connecting insert ring is arranged at one end of the pipeline.

Preferably, the connecting assembly comprises a connecting pipe, a connecting slot, a sealing gasket, an annular groove, a sealing clamping block, a convex block, a first movable extrusion block, an extrusion spring, a first extrusion arc chute, a sleeve ring and a locking clamping groove, wherein the inner side walls at two ends of the connecting pipe are symmetrically provided with the connecting slot, the connecting slot is connected with the connecting insertion ring in an inserting manner, the connecting slot is internally bonded with the sealing gasket, the sealing gasket is arranged on the sealing gasket, the annular groove is arranged on the sealing gasket, the sealing clamping block is movably and symmetrically arranged in the connecting pipe, the convex block is integrally formed at one end of the sealing clamping block, the first reset spring is symmetrically arranged at the end of the sealing clamping block connected with the convex block, the other end of the first reset spring is arranged in the connecting pipe, the first movable extrusion block is movably arranged in the convex block, one end of the first movable extrusion block is movably arranged in the convex block, and tip integrated into one piece is provided with extrusion spring, extrusion spring other end integrated into one piece sets up in the lug, and the other end activity of first activity extrusion piece sets up in first extrusion arc chute, first extrusion arc chute equidistance sets up in the lantern ring, the lantern ring activity is cup jointed and is set up on the connecting pipe to the symmetry sets up at the both ends of connecting pipe, and the lateral wall of the lantern ring is provided with the locking draw-in groove, be provided with locking mechanism on the coupling assembling.

Preferably, the first extrusion arc-shaped chute corresponds to the first movable extrusion block and the sealing fixture block in arrangement position, is provided with four groups in the same number, and the end part of the first movable extrusion block arranged at one end of the first extrusion arc-shaped chute is provided with an arc-shaped curved surface.

Preferably, the sealing fixture block corresponds to the annular clamping groove in position, one end of the sealing fixture block is an arc surface which is a quarter arc, and the thickness of the sealing fixture block is equal to the width of the notch of the annular clamping groove.

Preferably, the locking mechanism comprises a fixed ring, a concave movable strip, a second movable extrusion block, a second extrusion arc chute and an internal thread connecting ring, the fixed ring is integrally formed on the connecting pipe, arc-shaped convex plates are symmetrically formed on two sides of the fixing ring in an integrated manner, the arc-shaped convex plates are arranged at the side positions of the lantern ring, concave movable strips are movably arranged in the fixing ring, two ends of each concave movable strip extend into the arc-shaped convex plates, and the concave movable strip is symmetrically provided with a second return spring, one side of the concave movable strip is integrally provided with a second movable extrusion block, the other end of the second movable extrusion block is movably arranged in a second extrusion arc-shaped chute which is arranged in the internal thread connecting ring, the internal thread connecting ring is in threaded connection with the fixing ring, and a lug is integrally formed on the outer side wall of the internal thread connecting ring.

Preferably, the second extrusion arc-shaped chute corresponds to the second movable extrusion block in arrangement position and is arranged in the same number of groups, and the width of the notch of the second extrusion arc-shaped chute is larger than the width of the section of the end part of the second movable extrusion block.

Preferably, the concave movable strip corresponds to the locking slot in position, and the cross section of the end of the concave movable strip is the same as that of the slot of the locking slot, that is, the cross sections of the concave movable strip and the slot are equal in length and width.

A replacement method of a high-sealability refrigeration equipment pipeline connecting device convenient to replace comprises the following steps:

s1: the sealing connection is realized by firstly inserting and connecting a connecting slot at one end of a connecting component with a connecting insert ring at one end of a condenser connecting pipe, simultaneously, clamping a sealing convex ring arranged at one end of the connecting insert ring into an annular groove on a sealing gasket, then clamping a sealing clamping block into an annular clamping groove on the connecting insert ring by rotating a lantern ring, and connecting the other end of the connecting component with a pipeline according to the operation process;

s2: the sealing connection among the condenser connecting pipe, the pipeline and the connecting assembly is locked through a locking mechanism arranged on the connecting pipe, namely the connection sealing performance of the condenser connecting pipe, the pipeline and the connecting assembly is enhanced, the two ends of the concave movable strip are respectively clamped into the locking clamping grooves on the lantern ring by rotating the internal thread connecting ring, so that the position of the lantern ring is locked and fixed, namely the locking and sealing work of the lantern ring can be quickly finished;

s3: (change work) at first the internal thread go-between of antiport for the both ends of concave type activity strip are separated from the locking draw-in groove on the lantern ring, and then the antiport lantern ring again, make sealed fixture block separate from the ring groove on connecting the insert ring, and fixed the removing to condenser connecting pipe, pipeline, coupling assembling three' S sealing connection promptly, demolish coupling assembling fast, later when carrying out the coupling assembling that updates, only need can install fast according to step S and S.

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

according to the pipe fitting sealing assembly for the condenser of the refrigeration equipment, the connecting assembly and the locking mechanism are arranged on the connecting assembly, so that the connecting sealing performance of the connecting pipe of the condenser and a pipeline is greatly improved, the normal operation of the refrigeration operation of the pipe fitting sealing assembly is ensured, the refrigeration quality of the pipe fitting sealing assembly is improved, the pipe fitting sealing assembly has the functions of quick locking and unlocking while the sealing of the pipe fitting sealing assembly is ensured to have high locking under the action of the locking mechanism, the pipe fitting sealing assembly is convenient to replace while the connection stability is ensured, the replacement operation in the later period is very convenient, and the normal operation of the refrigeration operation of the pipe fitting sealing assembly is ensured.

Drawings

FIG. 1 is a right side schematic view of a structural connection according to the present invention;

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

FIG. 3 is a partial cross-sectional view of the internal structural connection of the coupling assembly of the present invention;

FIG. 4 is an enlarged partial view of the structural joint of FIG. 3 according to the present invention;

FIG. 5 is a partial sectional view of the temple structure attachment of the locking mechanism of the present invention;

FIG. 6 is an enlarged view of a portion of the structural joint of FIG. 5 according to the present invention.

In the figure: condenser connecting pipe 1, pipeline 2, connecting assembly 3, connecting pipe 301, connecting slot 302, sealing gasket 303, annular groove 304, sealing fixture block 305, projection 306, first movable extrusion block 307, extrusion spring 308, first extrusion arc chute 309, collar 310, locking clamping groove 311, connecting insert ring 4, sealing convex ring 5, annular clamping groove 6, locking mechanism 7, fixing ring 701, concave movable strip 702, second movable extrusion block 703, second extrusion arc chute 704 and internal thread connecting ring 705.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution: a high-sealing refrigeration equipment pipeline connecting device convenient to replace comprises a condenser connecting pipe 1, a pipeline 2 and a connecting assembly 3;

condenser connecting pipe 1 is connected in coupling assembling 3's one end, and coupling assembling 3's the other end is connected and is provided with pipeline 2.

Preferably, the condenser connecting pipe 1 is provided with a connecting insert ring 4 by integrally forming the connecting end of the connecting assembly 3, a sealing convex ring 5 is integrally formed on the end surface of one end of the connecting insert ring 4, an annular clamping groove 6 is formed on the outer side wall of the connecting insert ring 4, and the connecting insert ring 4 is also arranged at one end of the pipeline 2.

The connecting assembly 3 herein comprises a connecting pipe 301, a connecting slot 302, a sealing gasket 303, an annular groove 304, a sealing fixture block 305, a convex block 306, a first movable extrusion block 307, an extrusion spring 308, a first extrusion arc chute 309, a collar 310, and a locking fixture slot 311, wherein the connecting slot 302 is symmetrically arranged on the inner side wall of the two ends of the connecting pipe 301, the inserting ring 4 is inserted and connected in the connecting slot 302, the sealing gasket 303 is arranged in the connecting slot 302 in an adhering manner, the annular groove 304 is arranged on the sealing gasket 303, the sealing fixture block 305 is movably and symmetrically arranged in the connecting pipe 301, preferably, the sealing fixture block 305 corresponds to the annular fixture slot 6 in the arrangement position, one end of the sealing fixture block 305 is arranged in an arc surface and is in a quarter arc shape, the thickness of the sealing fixture block 305 is equal to the width of the notch of the annular, the sealing fixture block 305 is provided with a first return spring symmetrically and integrally formed at the end connected with the convex block 306, the other end of the first return spring is arranged in the connecting pipe 301, a first movable extrusion block 307 is movably arranged in the convex block 306, one end of the first movable extrusion block 307 is movably arranged in the convex block 306, the end part of the first movable extrusion block 307 is integrally provided with an extrusion spring 308, the other end of the extrusion spring 308 is integrally formed in the convex block 306, the other end of the first movable extrusion block 307 is movably arranged in a first extrusion arc-shaped chute 309, the first extrusion arc-shaped chute 309 is corresponding to the arrangement positions of the first movable extrusion block 307 and the sealing fixture block 305, the arrangement number of the three is the same, four groups are arranged, the end part of the first movable extrusion block 307 arranged at one end of the first extrusion arc-shaped chute 309 is provided with an arc-shaped curved surface, the first extrusion arc-shaped chutes 309 are equidistantly arranged in the lantern ring 310, the lantern ring 310 is movably sleeved on the connecting pipe 301 and symmetrically arranged at two ends of the connecting pipe 301, the outer side wall of the lantern ring 310 is provided with a locking clamping groove 311, and the connecting assembly 3 is provided with a locking mechanism 7.

The locking mechanism 7 herein comprises a fixing ring 701, a concave movable strip 702, a second movable extrusion block 703, a second extrusion arc chute 704, and an internal thread connecting ring 705, wherein the fixing ring 701 is integrally formed on the connecting pipe 301, and arc-shaped convex plates are symmetrically formed on two sides of the fixing ring 701 and are arranged at the lateral side of the sleeve ring 310, the concave movable strip 702 is movably arranged in the fixing ring 701, the concave movable strip 702 therein corresponds to the locking slot 311, and the cross-sectional shape of the end portion of the concave movable strip 702 is the same as the cross-sectional shape of the slot opening of the locking slot 311, i.e. the cross-sectional length and the width of the two are equal, two ends of the concave movable strip 702 extend into the arc-shaped convex plates, and a second return spring is symmetrically arranged on the concave movable strip 702, the second movable extrusion block 703 is integrally formed on one side of the concave movable strip 702, the other end of the second movable extrusion block 703 is movably arranged in a second extrusion arc chute 704, wherein the second extrusion arc chute 704 corresponds to the second movable extrusion block 703 in arrangement position and has the same arrangement number, the width of the notch of the second extrusion arc chute 704 is larger than the width of the end section of the second movable extrusion block 703, the second extrusion arc chute 704 is arranged in an internal thread connecting ring 705, the internal thread connecting ring 705 is arranged on the fixing ring 701 in a threaded connection manner, and the outer side wall of the internal thread connecting ring 705 is provided with a bump in an integrated forming manner.

The actual operation process is as follows: for the connection and fixation work among the condenser connecting pipe 1, the pipeline 2 and the connecting assembly 3, firstly, the connecting slot 302 at one end of the connecting assembly 3 is connected with the connecting insert ring 4 at one end of the condenser connecting pipe 1 in an inserting manner, meanwhile, the sealing convex ring 5 arranged at one end of the connecting insert ring 4 is clamped into the annular groove 304 on the sealing gasket 303, then the sealing fixture block 305 is clamped into the annular clamping groove 6 on the connecting insert ring 4 by rotating the lantern ring 310, the process is specifically operated in such a way that the lantern ring 310 is rotated to drive the first extrusion arc-shaped chute 309 to extrude the first movable extrusion block 307, and then the first movable extrusion block 307 pushes the sealing fixture block 305 to be clamped into the annular clamping groove 6 on the connecting insert ring 4, and in the process, the extrusion spring 308 is in an extrusion state, so that the stability of the clamping of the sealing fixture block 305 and the annular clamping groove 6 can be improved, then, the other end of the connecting component 3 is connected with the pipeline 2 according to the operation process; then, the sealing connection among the condenser connecting pipe 1, the pipeline 2 and the connecting assembly 3 is locked through a locking mechanism 7 arranged on the connecting pipe 301, that is, the connection sealing performance of the condenser connecting pipe is enhanced, the process has the specific operation that the inner thread connecting ring 705 is rotated, the inner thread connecting ring 705 drives the second extrusion arc-shaped chute 704 to extrude the second movable extrusion block 703, the second movable extrusion block 703 pushes the concave movable strip 702, and then two ends of the concave movable strip 702 are respectively clamped into the locking clamping grooves 311 on the lantern ring 310, so that the position of the lantern ring 310 is locked and fixed, that is, the locking sealing work of the lantern ring 310 can be rapidly completed;

when the connection assembly 3 needs to be replaced after long-term use, firstly the internal thread connection ring 705 is rotated reversely, the second extrusion arc-shaped chute 704 in the internal thread connection ring 705 releases the extrusion of the second movable extrusion block 703, and the second movable extrusion block 703 and the concave movable strip 702 return to the initial position under the action of the second return spring, that is, two ends of the concave movable strip 702 are separated from the locking clamping grooves 311 on the lantern ring 310, and the locking and fixing of the lantern ring 310 are released;

then, the lantern ring 310 is rotated reversely, the first extrusion arc-shaped chute 309 in the lantern ring 310 releases the extrusion of the first movable extrusion block 307, namely, the sealing fixture block 305 retracts into the connecting pipe 301 under the action of the first return spring, namely, the sealing fixture block 305 is separated from the annular clamping groove 6 on the connecting insert ring 4, namely, the sealing connection of the condenser connecting pipe 1, the pipeline 2 and the connecting assembly 3 is released, the connecting assembly 3 is rapidly detached, and then, when a new connecting assembly 3 is replaced, the mounting can be rapidly carried out only according to the steps S1 and S2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.