CN219796427U

CN219796427U - Copper-aluminum joint for refrigerating system

Info

Publication number: CN219796427U
Application number: CN202321214449.9U
Authority: CN
Inventors: 范宏伟
Original assignee: Changzhou Wankang Electron Co ltd
Current assignee: Changzhou Wankang Electron Co ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-10-03
Anticipated expiration: 2033-05-19

Abstract

The utility model discloses a copper-aluminum joint for a refrigerating system, which comprises a connecting pipe, wherein both ends of the connecting pipe are fixedly connected with fixed sleeves, the two fixed sleeves are communicated with the connecting pipe, sealing gaskets are movably sleeved in the two fixed sleeves, fixed assemblies are arranged outside the two fixed sleeves, limiting assemblies are arranged outside the two fixed sleeves, and a disassembly auxiliary assembly is arranged outside the limiting assemblies. According to the utility model, the copper pipe and the aluminum pipe can be conveniently and rapidly installed and dismantled through the fixing assembly, the installation efficiency is improved, meanwhile, the copper pipe and the aluminum pipe are prevented from being directly contacted, leakage caused by corrosion of the aluminum pipe is effectively prevented, leakage caused by loosening of an interface due to shaking can be avoided through the limiting assembly, and the copper pipe and the aluminum pipe can be conveniently dismantled.

Description

Copper-aluminum joint for refrigerating system

Technical Field

The utility model relates to the technical field of copper-aluminum connectors, in particular to a copper-aluminum connector for a refrigerating system.

Background

Copper resources reserves are relatively less in China, aluminum resources reserves are relatively abundant, meanwhile, copper price is relatively high, in the process of designing and producing refrigeration equipment manufacturers, in order to save resources and cost, aluminum pipes can be used for replacing copper pipes in part of pipelines, and copper-aluminum connectors are needed to be used in the process of connecting the aluminum pipes and the copper pipes.

The utility model discloses a copper-aluminum joint for refrigeration equipment, which comprises a middle pipe, a copper connecting pipe sleeved at one end of the middle pipe and used for inserting a copper pipe and an aluminum connecting pipe sleeved at the other end of the middle pipe and used for inserting an aluminum pipe, wherein a plurality of supporting rings are arranged in the copper connecting pipe and the aluminum connecting pipe and respectively form support for the copper pipe and the aluminum pipe, a plurality of first connecting grooves with openings facing the copper connecting pipe and second connecting grooves with openings facing the aluminum connecting pipe are arranged at the end of the middle pipe, a brazing filler metal layer is arranged among the supporting rings, between the supporting rings and the middle pipe, in the first connecting grooves and in the second connecting grooves, and the copper pipe, the copper connecting pipe, the middle pipe, the aluminum connecting pipe and the aluminum pipe are fixedly connected through brazing filler metal layers.

However, in the scheme, copper pipes and aluminum pipes are welded together, electrolytic chemical reaction is easy to occur in a wet environment, aluminum is easy to corrode due to loss of electrons, so that liquid leakage is caused, normal operation of equipment is affected, vibration can occur in the operation process of the equipment, and loosening of an interface is easy to occur.

Accordingly, it is desirable to invent a copper aluminum fitting for a refrigeration system that addresses the above-described problems.

Disclosure of Invention

The utility model aims to provide a copper-aluminum joint for a refrigerating system, which solves the defects in the prior art by separately fixing a copper pipe and an aluminum pipe and matching a clamping strip with teeth on a pull rod.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a copper aluminium connects for refrigerating system, includes the connecting pipe, the equal fixedly connected with fixed sleeve in both ends of connecting pipe, and two fixed sleeve all are linked together with the connecting pipe, two fixed sleeve's inside all activity has cup jointed sealed pad, two fixed sleeve's outside all is provided with and is used for fixing the fixed subassembly of waiting to take over, two fixed sleeve's outside all is provided with and is used for preventing the not hard up spacing subassembly of fixed subassembly, spacing subassembly's outside is provided with dismantles auxiliary assembly.

As the preferable scheme of the utility model, the fixed component comprises a jacking pipe, the jacking pipe is movably spliced in the fixed sleeve, one end of the jacking pipe away from the fixed sleeve is fixedly connected with a bottom plate, the outer part of the fixed sleeve is movably sleeved with a sliding sleeve, three pull rods are fixedly connected between the sliding sleeve and the bottom plate, the outer part of the fixed sleeve is rotatably sleeved with a rotating sleeve, and the sliding sleeve is in threaded sleeve connection in the rotating sleeve.

As a preferable scheme of the utility model, the limiting component comprises three n-shaped plates, wherein the three n-shaped plates are fixedly connected to the outer part of the fixed sleeve, the three pull rods are slidably connected to the inner parts of the corresponding n-shaped plates, and clamping strips are fixedly connected to one sides of the three n-shaped plates, which are close to the rotating sleeve;

the three pull rods are provided with inverted teeth on one surface deviating from the fixed sleeve, and the clamping strips are clamped in the tooth gaps.

As a preferable scheme of the utility model, the disassembly auxiliary assembly comprises a fixed block, the fixed block is fixedly connected to the top of the n-shaped plate, a connecting rope is fixedly connected to the outside of the fixed block, a hook is fixedly connected to one end of the connecting rope, which is far away from the fixed block, a hanging ring is fixedly connected to one surface of the clamping strip, which is far away from the fixed sleeve, and the hook is matched with the hanging ring.

As a preferable scheme of the utility model, the outer part of the rotary sleeve is fixedly connected with a hexagonal ring.

In the technical scheme, the utility model has the technical effects and advantages that:

1. the sliding sleeve moves along the fixed sleeve under the action of the screw thread through rotating the rotating sleeve, then the push pipe is driven by the pull rod and the bottom plate to be inserted into the fixed sleeve, and the sealing gasket is continuously extruded to deform along with continuous insertion of the push pipe, so that the inserted pipe to be connected is tightly sealed and fixed, the copper pipe and the aluminum pipe can be conveniently and rapidly installed and detached through the fixing assembly, the installation efficiency is improved, and meanwhile, the copper pipe and the aluminum pipe are prevented from being corroded to cause leakage effectively due to the fact that the copper pipe and the aluminum pipe are prevented from being directly contacted;

2. the n-shaped plate can play a limiting role on the pull rod, and the clamping strips are clamped in tooth gaps of the pull rod, so that the limit on the pull rod can be realized, and the situation that the pull rod moves backwards due to shaking to loosen and leak liquid when the belt connecting pipe is fixed is avoided;

3. the clamping strips are separated from the tooth gaps of the pull rod by hand, and then the hanging ring is hooked by the hooks, so that the disassembling process is more convenient.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for those skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the whole cross-sectional structure of the present utility model;

fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

Reference numerals illustrate:

1. a connecting pipe; 2. fixing the sleeve; 3. a sealing gasket; 4. a fixing assembly; 401. jacking pipes; 402. a bottom plate; 403. sliding the sleeve; 404. rotating the sleeve; 405. a pull rod; 5. a limit component; 501. an n-plate; 502. clamping strips; 6. disassembling the auxiliary assembly; 601. a fixed block; 602. a connecting rope; 603. a hook; 604. hanging rings; 7. a hexagonal ring.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The utility model provides a copper-aluminum joint for a refrigerating system as shown in figures 1-3, which comprises a connecting pipe 1, wherein two ends of the connecting pipe 1 are fixedly connected with fixing sleeves 2, the two fixing sleeves 2 are communicated with the connecting pipe 1, sealing gaskets 3 are movably sleeved in the two fixing sleeves 2, fixing assemblies 4 for fixing a to-be-connected pipe are arranged outside the two fixing sleeves 2, limiting assemblies 5 for preventing the fixing assemblies 4 from loosening are arranged outside the two fixing sleeves 2, a disassembly auxiliary assembly 6 is arranged outside the limiting assemblies 5, copper pipes and aluminum pipes can be prevented from being directly contacted through the arranged connecting pipe 1, leakage caused by corrosion of the aluminum pipes is avoided, and the copper pipes and the aluminum pipes can be conveniently and rapidly installed and disassembled through the arranged fixing assemblies 4, so that the installation efficiency is improved.

Further, in the above technical scheme, fixed subassembly 4 includes push pipe 401, push pipe 401 activity is pegged graft in fixed sleeve 2's inside, push pipe 401 is kept away from fixed sleeve 2's one end fixedly connected with bottom plate 402, fixed sleeve 2's outside activity has cup jointed sliding sleeve 403, fixedly connected with three pull rod 405 between sliding sleeve 403 and the bottom plate 402, fixed sleeve 2's outside has rotated and has cup jointed rotation sleeve 404, and sliding sleeve 403 screw thread cup joints in rotation sleeve 404's inside, push pipe 401 through setting up extrudes sealed pad 3 and makes sealed pad 3 take place deformation, thereby can make sealed pad 3 will wait to take over sealed fixed.

Further, in the above technical solution, the limiting component 5 includes three n-shaped plates 501, three n-shaped plates are all fixedly connected to the outside of the fixed sleeve 2, three pull rods 405 are slidably connected to the inside of the corresponding n-shaped plates 501, and clamping strips 502 are all fixedly connected to one sides of the three n-shaped plates 501 close to the rotating sleeve 404;

three pull rod 405 deviates from the one side of fixed sleeve 2 and all is provided with the pawl, and card strip 502 joint in the tooth gap, can play limiting displacement to pull rod 405 through the card strip 502 that sets up, avoid leading to the fact taking take over fixed not hard up owing to rock, prevent the weeping.

Further, in the above-mentioned technical scheme, dismantle auxiliary assembly 6 includes fixed block 601, fixed block 601 fixed connection is in the top of n shaped plate 501, the outside fixedly connected with of fixed block 601 connects rope 602, the one end fixedly connected with couple 603 that fixed block 601 was kept away from to connecting rope 602, the one side fixedly connected with couple 603 that clamping strip 502 deviate from fixed sleeve 2, and couple 603 and link 604 looks adaptation, can make clamping strip 502 break away from the tooth gap of pull rod 405 through couple 603 and link 604, thereby convenient dismantlement.

Further, in the above technical solution, the hexagonal ring 7 is fixedly connected to the outside of the rotating sleeve 404, and the rotating sleeve 404 can be rotated by using tools such as a wrench through the set hexagonal ring 7.

The utility model provides a copper-aluminum joint for a refrigerating system, which comprises the following working processes:

when the copper pipe and the aluminum pipe are required to be connected together, firstly, the copper pipe and the aluminum pipe are respectively inserted into the two fixed sleeves 2, then the rotating sleeve 404 is rotated, the sliding sleeve 403 moves along the fixed sleeves 2 under the action of threads, then the push pipe 401 is driven by the pull rod 405 and the bottom plate 402 to be inserted into the fixed sleeves 2, and the sealing gasket 3 is continuously extruded to deform along with the continuous insertion of the push pipe 401, so that the inserted pipe to be connected is tightly sealed and fixed, the copper pipe and the aluminum pipe can be conveniently and rapidly installed and detached through the fixed assembly 4, the installation efficiency is improved, and meanwhile, the copper pipe and the aluminum pipe are prevented from being corroded to cause leakage effectively due to the direct contact of the copper pipe and the aluminum pipe;

when the pull rod 405 moves, the n-shaped plate 501 plays a limiting role on the pull rod 405, and the clamping strip 502 is clamped in a tooth gap of the pull rod 405, so that the limit on the pull rod 405 can be realized, and the situation that the pull rod 405 moves backwards due to shaking to cause loosening of fixing the belt connecting pipe to leak liquid is avoided;

when the copper pipe and the aluminum pipe are required to be disassembled, the clamping strip 502 is pulled up by hand, then the hanging ring 604 is hooked by the hanging hook 603, and under the action of the connecting rope 602, the clamping strip 502 can be separated from the tooth gap of the pull rod 405, so that the disassembling process is more convenient.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. Copper-aluminum joint for refrigeration system, comprising a connecting pipe (1), characterized in that: the two ends of the connecting pipe (1) are fixedly connected with fixed sleeves (2), the two fixed sleeves (2) are communicated with the connecting pipe (1), the inside of the two fixed sleeves (2) is movably sleeved with a sealing gasket (3), the outside of two fixed sleeve (2) all is provided with and is used for fixing fixed subassembly (4) of waiting to take over, and the outside of two fixed sleeve (2) all is provided with spacing subassembly (5) that are used for preventing fixed subassembly (4) not hard up, the outside of spacing subassembly (5) is provided with dismantles auxiliary assembly (6).

2. A copper aluminum fitting for a refrigeration system as recited in claim 1 wherein: the fixed subassembly (4) includes push pipe (401), push pipe (401) activity grafting is in the inside of fixed sleeve (2), one end fixedly connected with bottom plate (402) of fixed sleeve (2) are kept away from to push pipe (401), the outside activity of fixed sleeve (2) has cup jointed slip sleeve (403), fixedly connected with three pull rod (405) between slip sleeve (403) and bottom plate (402), the outside of fixed sleeve (2) has rotated and has cup jointed rotation sleeve (404), and slip sleeve (403) screw thread cup joints in the inside of rotation sleeve (404).

3. A copper aluminum fitting for a refrigeration system as recited in claim 1 wherein: the limiting assembly (5) comprises three n-shaped plates (501), three n-shaped plates are fixedly connected to the outer portion of the fixed sleeve (2), three pull rods (405) are slidably connected to the inner portions of the corresponding n-shaped plates (501), and clamping strips (502) are fixedly connected to one sides, close to the rotating sleeve (404), of the three n-shaped plates (501);

the three pull rods (405) are provided with inverted teeth on one surface deviating from the fixed sleeve (2), and the clamping strips (502) are clamped in the tooth gaps.

4. A copper aluminum fitting for a refrigeration system according to claim 3, wherein: dismantlement auxiliary assembly (6) are including fixed block (601), fixed block (601) fixedly connected with is at the top of n shaped plate (501), the outside fixedly connected with of fixed block (601) is connected with rope (602), one end fixedly connected with couple (603) that fixed block (601) were kept away from to rope (602), one side fixedly connected with link (604) that card strip (502) deviate from fixed sleeve (2), and couple (603) and link (604) looks adaptation.

5. A copper aluminum fitting for a refrigeration system as recited in claim 2 wherein: the outer part of the rotating sleeve (404) is fixedly connected with a hexagonal ring (7).