CN211370682U

CN211370682U - Electric control variable displacement compressor cylinder

Info

Publication number: CN211370682U
Application number: CN201922415550.0U
Authority: CN
Inventors: 胡敏; 胡正明
Original assignee: Wuxi Sulicheng Automotive Air Conditioning Compressor Co ltd
Current assignee: Wuxi Sulicheng Automotive Air Conditioning Compressor Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-08-28
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses an electrically controlled variable displacement compressor cylinder, which relates to the technical field of automobile air-conditioning compressor cylinders, and comprises a clutch assembly, a cylinder body, a rear cover, a front cover, and a core, a piston and a slipper which are arranged in a shell; the cylinder body comprises an exhaust port, a vent hole, a cylinder hole and a middle hole; the cylinder body is provided with a plurality of cylinder holes uniformly along the periphery, the middle hole is positioned in the center of the cylinder body, the vent hole is arranged on one side of the cylinder body close to the exhaust port, the exhaust port is arranged on the side surface of the cylinder body, a piston is arranged in each cylinder hole, and the middle hole of the cylinder body is provided with a bearing which plays a role in supporting the movement; the cylinder body formula structure as an organic whole, simple structure can solve old-fashioned split type structure cylinder body because apron and cylinder body connecting bolt hole are close to the jar hole and cause jar hole deformation out of round and the cylinder body and the sealed not tight problem that takes place to leak of apron.

Description

Electric control variable displacement compressor cylinder

Technical Field

The utility model relates to an automobile air conditioner compressor cylinder body technical field, concretely relates to automatically controlled variable displacement compressor cylinder body.

Background

The automobile air-conditioning compressor is the heart of an automobile air-conditioning refrigeration system and plays a role in compressing and conveying a refrigerant, wherein a cylinder body is one of important components of the compressor; the old-fashioned cylinder body structure is gone up the export apron by cylinder body and is constituteed, through the bolt-up, and apron and cylinder body faying face pass through the sealing washer sealed, and this split type cylinder body structure is complicated, and the problem of existence has:

1. the bolt holes for fastening the cover plate are arranged near the cylinder holes, and the formed stress is easy to deform and lose roundness of the cylinder holes.

2. The exhaust port is arranged on the cover plate, high pressure exists between the cylinder body and the cover plate in work, the high-pressure area is sealed by the sealing ring, and leakage can be formed when processing is slightly deviated.

Disclosure of Invention

The utility model aims at providing an automatically controlled variable displacement compressor cylinder body, cylinder body structure formula structure as an organic whole, simple structure can solve old-fashioned split type structure cylinder body because apron and cylinder body connecting bolt hole are close to the jar hole and cause jar hole to warp out of round and the gas vent to locate and lead to the cylinder body to seal not tight and the problem that takes place to leak with the apron on the apron.

The electric control variable displacement compressor comprises a clutch assembly, a cylinder body, a rear cover, a front cover, a machine core, a piston and a sliding shoe, wherein the machine core, the piston and the sliding shoe are arranged in a shell; the cylinder body comprises an exhaust port, a vent hole, a cylinder hole and a middle hole; the cylinder body is provided with a plurality of cylinder holes uniformly along the periphery, the middle hole is positioned in the center of the cylinder body, the vent hole is arranged on one side of the cylinder body close to the exhaust port, the exhaust port is arranged on the side surface of the cylinder body, a piston is arranged in each cylinder hole, and the middle hole of the cylinder body is provided with a bearing which plays a role in supporting the movement; when the clutch drives the machine core main shaft to rotate, the swash plate drives the piston to reciprocate in the cylinder hole of the cylinder body through the sliding shoe, and high pressure is formed to convey a refrigerant to the exhaust port through the vent hole.

The cylinder body is of an integrated structure, and the exhaust port is directly formed in the side wall of the cylinder body. Need not through the export apron with cylinder body bolt fastening connection, and need not the sealing washer sealed.

The utility model has the beneficial technical effects that:

the utility model discloses automatically controlled variable displacement compressor cylinder body simple structure has cancelled export apron, connecting bolt and sealing washer on the old-fashioned split type cylinder body, has reduced the processing degree of difficulty, can solve old-fashioned split type structure cylinder body because apron and cylinder body connecting bolt hole are close to the cylinder hole and cause the cylinder hole to warp out of round and the gas vent to locate and lead to the cylinder body not sealed tight and the problem that takes place to leak with the apron on locating the apron.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of an electrically controlled variable displacement compressor cylinder disclosed in the present application.

FIG. 2 is a side view of an electrically controlled variable displacement compressor cylinder disclosed herein.

Fig. 3 is a view from direction a of fig. 2.

Fig. 4 is an installation schematic diagram of an old split type cylinder body and an outlet cover plate.

FIG. 5 is a schematic structural view of a connecting joint surface of an old split type cylinder body and an outlet cover plate.

Detailed Description

The following describes the present invention with reference to the accompanying drawings.

Referring to fig. 4-5, the old split cylinder comprises a cylinder body 1 and an outlet cover plate 6, an exhaust port 2 is arranged on the outlet cover plate 6, the outlet cover plate 6 is connected with the cylinder body 1 through 4 bolts 7, and the joint surface of the cover plate 6 and the cylinder body 1 is sealed through a sealing ring; because the bolt hole 7 is close to the cylinder hole 4, the cylinder hole 4 is easy to generate thermal deformation and out of round under the action of fastening stress of the bolt 7; meanwhile, when the compressor works, high-pressure gas exists between the cylinder body 1 and the outlet cover plate 6, the joint surface is completely sealed by the sealing ring 8, when the cylinder body 1 or the outlet cover plate 6 is machined slightly, sealing is not tight, leakage is formed, and the requirement on the machining process is high.

Referring to fig. 1 to 3, a novel electrically controlled variable displacement compressor includes a clutch assembly, a cylinder 1, a rear cover, a front cover, and a core, a piston, and a shoe disposed in a housing; the cylinder body 1 comprises an exhaust port 2, a vent hole 3, a cylinder hole 4 and a middle hole 5; the cylinder comprises a cylinder body 1, a piston, a middle hole 5, a vent hole 3, a vent hole 4, a cylinder core, a piston, a bearing, a piston rod, a piston; when the clutch drives the main shaft of the machine core to rotate, the swash plate drives the piston to reciprocate in the cylinder hole 4 of the cylinder body through the sliding shoe, gas between the piston in the cylinder hole 4 and the front cover and between the piston and the rear cover is compressed into high-pressure gas, and the high-pressure gas conveys a refrigerant to the exhaust port 2 through the vent hole 3.

The utility model provides an automatically controlled variable displacement compressor cylinder body structure formula structure as an organic whole, the outlet cover plate 6 on the old-fashioned split type cylinder body has been cancelled, connecting bolt 7 and sealing washer 8, gas vent 2 directly locates on cylinder body 1, need not to be connected through

outlet cover plate

6 and 1 bolt fastening of cylinder body, and need not sealing washer 8 and seal, the processing degree of difficulty has been reduced, can solve old-fashioned split type structure cylinder body because the apron leads to on the apron is located to lead to cylinder hole deformation out of round and the gas vent leads to cylinder body and cover plate not tight and take place the problem of leaking near cylinder hole.

The application discloses a concrete theory of operation of automatically controlled variable displacement compressor cylinder body is as follows:

the compressor cylinder body structure is an integrated structure, an outlet cover plate, a connecting bolt and a sealing ring on an old split type cylinder body are omitted, an exhaust port is directly arranged on the cylinder body, when a clutch drives a core main shaft to rotate, a swash plate drives a piston to reciprocate in a cylinder hole of the cylinder body through a sliding shoe, gas among the piston in the cylinder hole, a front cover and a rear cover is compressed into high-pressure gas, and a refrigerant is conveyed to the exhaust port through a vent hole; reciprocating motion and gaseous compression of piston will produce a large amount of heats for the temperature of cylinder body is higher, owing to cancelled export apron and connecting bolt, the fastening stress that does not come from the bolt in the jar hole this moment can not take place thermal deformation, simultaneously, because cylinder body formula structure as an organic whole, the inside high-pressure region can not take place to leak yet, has guaranteed the reliable operation of compressor.

What has been described above is only a preferred embodiment of the present application, and the present invention is not limited to the above embodiments. It is to be understood that other modifications and variations directly derivable or suggested by those skilled in the art without departing from the spirit and scope of the present invention are to be considered as included within the scope of the present invention.

Claims

1. The cylinder body of the electric control variable displacement compressor is characterized by comprising a clutch assembly, a cylinder body (1), a rear cover, a front cover, a machine core, a piston and a sliding shoe, wherein the machine core, the piston and the sliding shoe are arranged in a shell; the cylinder body (1) comprises an exhaust port (2), a vent hole (3), a cylinder hole (4) and a middle hole (5); the cylinder core structure is characterized in that a plurality of cylinder holes (4) are uniformly formed in the periphery of the cylinder body (1), the middle hole (5) is located in the center of the cylinder body (1), the vent holes (3) are formed in one side, close to the exhaust port (2), of the cylinder body (1), the exhaust port (2) is formed in the side face of the cylinder body (1), a piston is arranged in each cylinder hole (4), and a bearing is arranged in the middle hole (5) of the cylinder body to support the movement; when the clutch drives the machine core main shaft to rotate, the swash plate drives the piston to reciprocate in the cylinder body cylinder hole (4) through the sliding shoe, and high pressure is formed to convey a refrigerant to the exhaust port (2) through the vent hole (3).

2. An electrically controlled variable displacement compressor cylinder according to claim 1, wherein the cylinder (1) is of a one-piece construction and the exhaust port (2) is provided directly in the side wall of the cylinder (1).