CN211010330U

CN211010330U - Sealing joint for scroll compressor

Info

Publication number: CN211010330U
Application number: CN201921685940.3U
Authority: CN
Inventors: 付志成
Original assignee: Huizhou Tengda Technology Co ltd
Current assignee: Huizhou Tengda Technology Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-07-14
Anticipated expiration: 2029-10-10

Abstract

The utility model belongs to the technical field of commercial central air conditioning scroll compressor accessory technique and specifically relates to a sealed joint for scroll compressor, including connecting the body, connect this internal pull rod that is equipped with, connect the detachable connection in body top and be equipped with the inflation valve rather than inside intercommunication, the one end of pull rod is equipped with the air guide groove, the air guide groove is equipped with a plurality of air guide holes, the one end that connects the body is equipped with the nut through the detachable connection of helicitic texture, the other end extension of pull rod is passed the nut and is rotated through the pivot and connect and be equipped with the handle, the one end outer wall of pull rod and nut connect between the clamp and be equipped with reset spring, the one end that connects the body and keep away from the. The utility model discloses small in size can the express delivery be fixed in the compressor copper pipe inner wall of ventilating, makes things convenient for production line operator one-hand operation, has promoted the work efficiency of compressor production inert gas leak hunting operation.

Description

Sealing joint for scroll compressor

Technical Field

The utility model relates to a scroll compressor detects accessory technical field, especially relates to a scroll compressor is with sealing joint.

Background

The scroll compressor is the drive unit of the central air conditioner and is used to provide high purity helium gas to the cryopump or other refrigeration unit. The existing scroll compressor is mostly water-cooled, and its main components include compressor pump, oil filter, adsorber, cooling unit, electric control unit and instrument device. The quality inspection operation such as helium leak hunting need be carried out to current scroll compressor in manufacturing process, and the novel big model of compressor trade of current, the breather pipe gives too big, and current conventional joint is fixed in the copper external diameter of pipe, applies to copper pipe and seals up, and the volume is too big, and inconvenient production line operator one-hand operation influences production efficiency, for this we provide a scroll compressor with sealing joint and solve above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the novel big model of current compressor trade among the prior art, the breather pipe gives too big, and current conventional joint is fixed in the copper external diameter of pipe, applies to sealed on the copper pipe, and the volume is too big, and inconvenient production line operator one-hand operation influences production efficiency's shortcoming, and the sealed joint for the scroll compressor who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the sealing joint for the scroll compressor comprises a joint body, wherein a cavity structure is arranged in the joint body, a pull rod matched with the joint body is arranged in the joint body, an inflation valve communicated with the interior of the joint body is detachably connected to the top of the joint body, an air guide groove is formed in one end of the pull rod, a plurality of air guide holes are formed in the air guide groove, a nut is detachably connected to one end of the joint body through a threaded structure, the other end of the pull rod extends through the nut and is rotatably connected with a handle through a rotating shaft, a reset spring is clamped between the outer wall of one end of the pull rod and the nut, a locking device enabling the joint body to be fixed on the inner wall of an air-permeable copper pipe of the compressor is arranged at one end, away from the handle, of the joint body, the locking device comprises a clamping jaw, the section of the clamping jaw is of a trapezoidal structure, a plurality of, one end of the pull rod is of a round platform-shaped structure corresponding to the trapezoidal bevel edge of the clamping jaw, limiting grooves are formed in the clamping jaw and one side of the outer wall of the pull rod, limiting sealing rings corresponding to the clamping jaw are sleeved in the limiting grooves, and the clamping jaw is fixed between the assembling through groove and the pull rod in a limiting mode through the limiting grooves and the limiting sealing rings.

Preferably, a plurality of anti-skidding lines are arranged on one side, which is in contact with the inner wall of the compressor vent copper pipe, of the clamping jaw.

Preferably, the outer wall of one end of the joint body, which is in contact with the inner wall of the compressor vent copper pipe, is fixedly provided with a plurality of external sealing rings through annular grooves.

Preferably, a through connecting hole is formed in one side of the connector body, a threaded connecting piece is fixedly arranged in the connecting hole through a threaded structure, the inflation valve is detachably connected with one side of the connector body through the threaded connecting piece, a communicating hole for communicating the inflation valve with the connector body is formed in the threaded connecting piece, and the input end of the inflation valve is connected with a helium gas source through a guide pipe.

Preferably, the inner wall of the joint body is fixedly provided with inner sealing rings at two sides of the air guide hole respectively.

The utility model provides a pair of scroll compressor is with sealing joint, beneficial effect lies in: the rotatory handle of accessible drives the pull rod and overcomes reset spring's elasticity, and then makes the one end oppression clamping jaw of the round platform column structure of pull rod, makes its outside extension and then oppress compressor copper pipe inner wall of ventilating, and air guide groove, air guide hole, intercommunicating pore and inflation valve communicate in proper order this moment, accomplish the process of aerifing, the utility model discloses small in size can the express delivery be fixed in the compressor copper pipe inner wall of ventilating, makes things convenient for production line operator one-hand operation, has promoted the work efficiency of compressor production helium leak hunting operation.

Drawings

Fig. 1 is a schematic structural view of a sealing joint for a scroll compressor according to the present invention;

FIG. 2 is a schematic cross-sectional view of a sealing joint for a scroll compressor according to the present invention;

fig. 3 is an exploded schematic view of a sealing joint for a scroll compressor according to the present invention.

In the figure: the joint comprises a joint body 1, a threaded connecting piece 11, a connecting hole 111, a communicating hole 112, an external sealing ring 12, a limiting sealing ring 13, a limiting groove 131, a clamping jaw 14, an assembling through groove 141, an anti-skidding thread 142, an inflation valve 2, a nut 3, a handle 4, a pull rod 5, an air guide groove 51, an air guide hole 52, an internal sealing ring 53 and a return spring 6.

Detailed Description

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

Referring to fig. 1-3 a sealing joint for scroll compressor, including connecting body 1, connect the inside cavity structure that is of body 1, be equipped with rather than assorted pull rod 5 in connecting body 1, connect the detachable connection in body 1 top and be equipped with rather than inside intercommunication's inflation valve 2, connect body 1 one side and be equipped with through-going connecting hole 111, fixedly through threaded connection spare 11 in the connecting hole 111, inflation valve 2 passes through threaded connection spare 11 and connects body 1 one side detachable connection, be equipped with the intercommunicating pore 112 that makes inflation valve 2 and connect body 1 intercommunication in threaded connection spare 11, make the input of inflation valve 2 pass through pipe connection helium gas source.

One end of a pull rod 5 is provided with an air guide groove 51, the air guide groove 51 is provided with a plurality of air guide holes 52, one end of a joint body 1 is detachably connected with a nut 3 through a threaded structure, the other end of the pull rod 5 extends through the nut 3 and is rotatably connected with a handle 4 through a rotating shaft, a return spring 6 is clamped between the outer wall of one end of the pull rod 5 and the nut 3, one end of the joint body 1, far away from the handle 4, is provided with a locking device which is fixed on the inner wall of a compressor vent copper pipe and comprises a clamping jaw 14, the section of the clamping jaw 14 is of a trapezoid structure, one side, in contact with the inner wall of the compressor vent copper pipe, of the clamping jaw 14 is provided with a plurality of anti-skid grains 142, the anti-skid performance is improved, one end of the joint body 1 is equally provided with a plurality of assembling through grooves 141 matched with the clamping jaw 14, one end of, the limiting groove 131 is internally sleeved with a limiting sealing ring 13 corresponding to the limiting groove, the clamping jaw 14 is limited and fixed between the assembling through groove 141 and the pull rod 5 through the limiting groove 131 and the limiting sealing ring 13, the outer wall of one end, contacting with the inner wall of the compressor ventilation copper pipe, of the joint body 1 is fixedly provided with a plurality of external sealing rings 12 through annular grooves, and the inner wall of the joint body 1 is fixedly provided with internal sealing rings 53 on two sides of the air guide hole 52 respectively, so that the air tightness performance is further improved.

During the use, the rotatory handle of accessible 4 drives pull rod 5 and overcomes reset spring 6's elasticity, and then makes pull rod 5's round platform column structure's one end oppression clamping jaw 14, makes it outwards expand and then oppress compressor copper pipe inner wall of ventilating, and air guide groove 51, air guide hole 52, intercommunicating pore 112 and inflation valve 2 communicate in proper order this moment, accomplish the process of aerifing, the utility model discloses small in size can the express delivery be fixed in compressor copper pipe inner wall of ventilating, makes things convenient for production line operator one-hand operation, has promoted the work efficiency of compressor production helium leak hunting operation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a scroll compressor is with sealing joint, is including connecting body (1), its characterized in that, connect body (1) inside cavity structure that is, be equipped with rather than assorted pull rod (5) in connecting body (1), connect detachable the connection in body (1) top and be equipped with inflation valve (2) rather than inside intercommunication, the one end of pull rod (5) is equipped with air guide groove (51), air guide groove (51) are equipped with a plurality of air guide hole (52), the one end that connects body (1) is equipped with nut (3) through the detachable connection of helicitic texture, the other end extension of pull rod (5) is passed nut (3) and is rotated the connection through the pivot and be equipped with handle (4), the one end outer wall of pull rod (5) with clamp joint is equipped with reset spring (6) between nut (3), it keeps away from to connect body (1) the one end of handle (4) is equipped with and makes it fix the locking device at compressor copper pipe inner wall that ventilates Locking device includes clamping jaw (14), clamping jaw (14) section is trapezium structure, connect body (1) one end equidistance equally divide be equipped with a plurality of with clamping jaw (14) assorted assembly leads to groove (141), the one end of pull rod (5) establish into with the corresponding round platform column structure of clamping jaw (14) trapezoidal hypotenuse, clamping jaw (14) reach outer wall one side of pull rod (5) all is equipped with spacing groove (131), spacing groove (131) endotheca be equipped with rather than corresponding spacing seal ring (13), clamping jaw (14) pass through spacing groove (131) and spacing seal ring (13) are spacing to be fixed lead to between groove (141) and pull rod (5).

2. The sealing joint for the scroll compressor, according to claim 1, wherein the side of the clamping jaw (14) contacting the inner wall of the compressor vent copper tube is provided with a plurality of anti-slip threads (142).

3. The sealing joint for the scroll compressor is characterized in that a plurality of external sealing rings (12) are fixedly arranged on the outer wall of one end, which is contacted with the inner wall of the compressor vent copper pipe, of the joint body (1) through annular grooves.

4. The sealing joint for the scroll compressor according to claim 1, wherein a through connection hole (111) is formed in one side of the joint body (1), a threaded connection piece (11) is fixedly arranged in the connection hole (111) through a threaded structure, the inflation valve (2) is detachably connected with one side of the joint body (1) through the threaded connection piece (11), a communication hole (112) for communicating the inflation valve (2) with the joint body (1) is formed in the threaded connection piece (11), and an input end of the inflation valve (2) is connected with a helium gas source through a conduit.

5. The hermetic joint for a scroll compressor according to claim 1, wherein the inner wall of the joint body (1) is fixedly provided with inner sealing rings (53) at both sides of the gas guiding hole (52), respectively.