CN219509812U

CN219509812U - Electric compressor with axial balancing function

Info

Publication number: CN219509812U
Application number: CN202320290013.1U
Authority: CN
Inventors: 徐冬冬
Original assignee: Nanjing Xiezhong New Energy Technology Development Co ltd
Current assignee: Nanjing Xiezhong New Energy Technology Development Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-08-11
Anticipated expiration: 2033-02-23

Abstract

The utility model relates to the technical field of compressors, and discloses an electric compressor with an axial balancing function, which comprises a shell, an end cover, a fixed scroll, a movable scroll, a driving mechanism and a control circuit board assembly, wherein the driving mechanism is arranged at the inner side of the shell, the fixed scroll is fixedly arranged in the end cover, the control circuit board assembly is arranged at the outer side wall of the shell, the control circuit board assembly is connected with the driving mechanism, the output end of the driving mechanism is connected with the movable scroll, and a plurality of balancing strips are arranged at one side of the movable scroll. The utility model can increase the stress stability of the outer edge of the movable vortex plate, improve the axial balance and stability of the movable vortex plate, is not easy to generate axial floating and shaking, can reduce the rigid impact of vibration generated in the running process of the automobile on the inner member of the shell, and has better buffering performance.

Description

Electric compressor with axial balancing function

Technical Field

The utility model relates to the technical field of compressors, in particular to an electric compressor with an axial balancing function.

Background

The electric compressor has the characteristics of high efficiency, small vibration, high reliability, long service life and the like, and is widely applied along with the development of new energy automobiles, and has important relation with cooling in automobiles and heat dissipation of key parts of the automobiles.

In order to ensure that the movable scroll is stable in the axial direction relative to the fixed scroll, a counterweight is generally mounted at the joint of the driving shaft member and the movable scroll, but when the movable scroll is subjected to the axial force of large compressed gas, a slight floating phenomenon occurs in the axial direction, abrasion is large, and the balance and stability of the movable scroll in the axial direction are affected by long-term accumulation, so that the electric compressor with the axial balancing function is proposed.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, when the movable scroll is subjected to the action of axial force of large compressed gas, the movable scroll is slightly floated in the axial direction, abrasion is large, and the balance and stability of the movable scroll in the axial direction are influenced after long-term accumulation.

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

the utility model provides an electric compressor with axial balance function, includes shell, end shield, fixed vortex dish, motion vortex dish, actuating mechanism and control circuit board subassembly, actuating mechanism is located the inboard setting of shell, fixed vortex dish is located the inside fixed setting of end shield, control circuit board subassembly sets up in the lateral wall department of shell, and control circuit board subassembly is connected with actuating mechanism and set up, actuating mechanism's output is connected with the motion vortex dish and is set up, one side of motion vortex dish is equipped with a plurality of balance bars, each the axis that the balance bar all is annular evenly distributed about the motion vortex dish, the inner wall of end shield is fixed to be equipped with two annular archs, and each balance bar all activity grafting and set up between two annular archs, each a set of ball groove has all been seted up to two lateral walls of balance bar, and the inside of each ball groove all rotates and is equipped with the ball, each all be connected with installation mechanism jointly between balance bar and the motion vortex dish.

Preferably, the below of shell is equipped with the installation base, and the top of installation base is equipped with two sets of installation archs, and each installation arch all is located the lateral wall fixed setting of shell, each the bellied upper end of installation all sets up flutedly, and the tank bottom of each recess all slides and is equipped with T shape pole, each between the lateral wall of T shape pole and the tank bottom of homonymy recess all fix jointly and be equipped with the spring, and the lower extreme of each T shape pole all with the terminal surface fixed connection of installation base.

Preferably, each installation mechanism comprises a connecting column fixedly arranged on the side wall of the movable vortex plate, and the end part of each connecting column is in threaded connection with the side wall of the same-side balance bar together with an installation bolt.

Preferably, the inner diameters of the two annular protrusions are larger than the outer diameter of the movable scroll.

Preferably, a supporting plate is fixedly arranged at the lower end of the shell, and a rubber damping pad is arranged between the supporting plate and the mounting base.

Preferably, a group of locking bolts are connected with the side wall of the end cover and the side wall of the shell in a threaded mode, a sealing gasket is fixed at the end portion of the end cover, and an annular sealing groove matched with the sealing gasket is formed in the end portion of the shell.

Compared with the prior art, the utility model provides the electric compressor with the axial balancing function, which has the following beneficial effects:

1. this electric compressor with axial balance function, through the shell that is equipped with, the end shield, fixed vortex dish, the motion vortex dish, actuating mechanism, control circuit board subassembly, the balance bar, annular arch, the mutual cooperation of ball, through set up a plurality of balance bars that are annular distribution at the lateral wall of motion vortex dish, and cooperate two annular archs, under the condition that can guarantee the normal deflection compressed gas of motion vortex dish, can increase the atress stability of motion vortex dish outer fringe department, and improve motion vortex dish axial balance nature and stability, be difficult for taking place axial unsteady rocking.

2. This electric compressor with axial balance function through the mutually supporting of the installation base that is equipped with, installation arch, T shape pole, spring, can make the compressor shell installation after, possess certain scalable space, reduce the rigidity impact of the vibration that produces to shell internals of car in-process of traveling, backup pad and the rubber damping pad that the cooperation set up can reach better cushioning effect.

The device has the advantages that the stress stability at the outer edge of the movable vortex plate can be increased, the axial balance and stability of the movable vortex plate are improved, the axial floating shaking is not easy to occur, meanwhile, the rigid impact of vibration generated in the running process of an automobile on the inner member of the shell can be reduced, and the device has good buffering performance.

Drawings

Fig. 1 is a schematic structural view of an electric compressor with an axial balancing function according to the present utility model;

fig. 2 is an enlarged view of the structure of the portion a in fig. 1;

fig. 3 is a schematic view of a connection structure between the base and the mounting boss in fig. 1.

In the figure: 1. a housing; 2. an end shield; 3. a fixed scroll; 4. a moving scroll; 5. a driving mechanism; 6. a control circuit board assembly; 7. a balance bar; 8. an annular protrusion; 9. a ball; 10. a mounting base; 11. mounting the bulge; 12. a T-bar; 13. a spring; 14. a connecting column; 15. installing a bolt; 16. a support plate; 17. a rubber damping pad; 18. a locking bolt; 19. and a sealing gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, an electric compressor with an axial balancing function comprises a housing 1, an end cover 2, a fixed scroll 3, a movable scroll 4, a driving mechanism 5 and a control circuit board assembly 6, wherein the driving mechanism 5 is arranged on the inner side of the housing 1, the fixed scroll 3 is arranged on the inner fixed side of the end cover 2, the control circuit board assembly 6 is arranged on the outer side wall of the housing 1, the control circuit board assembly 6 is connected with the driving mechanism 5, the output end of the driving mechanism 5 is connected with the movable scroll 4, one side of the movable scroll 4 is provided with a plurality of balance bars 7, each balance bar 7 is uniformly distributed in a ring shape with respect to the axis of the movable scroll 4, two ring-shaped bulges 8 are fixedly arranged on the inner wall of the end cover 2, a group of ball grooves are formed in two side walls of each balance bar 7, balls 9 are rotationally arranged in the ball grooves, and a mounting mechanism is commonly connected between each balance bar 7 and the movable scroll 4.

The below of shell 1 is equipped with installation base 10, and the top of installation base 10 is equipped with two sets of installation arch 11, and each installation arch 11 all is located the fixed setting of lateral wall of shell 1, the upper end of each installation arch 11 is all seted up flutedly, and the tank bottom of each recess all slides and is equipped with T shape pole 12, all fix jointly between the tank bottom of lateral wall and homonymy recess of each T shape pole 12 is equipped with spring 13, and the lower extreme of each T shape pole 12 all with the terminal surface fixed connection of installation base 10, through T shape pole 12 cooperation spring 13, can make shell 1 possess certain elasticity flexible space for between the installation base 10, thereby can reduce the influence of car driving vibration to shell 1 internals.

Each installation mechanism all includes fixed spliced pole 14 that sets up in the lateral wall of motion vortex dish 4, and the tip of each spliced pole 14 and the lateral wall of homonymy balancing strip 7 all common threaded connection have mounting bolt 15, through this kind of setting, can be convenient for the equipment between balancing strip 7 and the motion vortex dish 4 fixed.

The inner diameter of the two annular protrusions 8 is larger than the outer diameter of the movable scroll 4, and by this arrangement, the annular protrusions 8 can be prevented from affecting the normal putting-in operation of the movable scroll 4.

The lower extreme of shell 1 is fixed and is equipped with backup pad 16, and is equipped with rubber damping pad 17 jointly between backup pad 16 and the installation base 10, through this kind of setting, can carry out damping buffering between shell 1 and the backup pad 16, prevents to lead to the compressor to be in unstable state because of spring 13 rebound vibration, ensures buffering protective effect.

The side wall of the end cover 2 and the side wall of the shell 1 are connected with a group of locking bolts 18 in a common threaded mode, the end portion of the end cover 2 is fixedly provided with a sealing gasket 19, the end portion of the shell 1 is provided with an annular sealing groove matched with the sealing gasket 19, and through the arrangement, the tightness after connection between the end cover 2 and the shell 1 can be improved.

In the utility model, when in use, after the shell 1, the driving mechanism 5 and the control circuit board assembly 6 are assembled, the fixed scroll 3 and the end cover 2 are assembled, the movable scroll 4 is positioned and placed through the fixed scroll 3, each balance bar 7 is sequentially arranged at one side of the movable scroll 4 and inserted into the position between the two annular protrusions 8, each balance block 7 can be fixed on the movable scroll 4 through the mounting bolts 15 and the connecting columns 14, and finally the movable scroll 4 is assembled with the output end of the driving mechanism 5, in the subsequent working process, the movable scroll 4 is not easy to float in the axial direction due to the fact that the two annular protrusions 8 limit the axes of each balance bar 7, the stability and the balance are good, and the normal deflection action of the movable scroll 4 can not be influenced due to the fact that the balls 9 are matched.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an electric compressor with axial balance function, includes shell (1), end shield (2), fixed vortex dish (3), motion vortex dish (4), actuating mechanism (5) and control circuit board subassembly (6), its characterized in that, actuating mechanism (5) are located the inboard setting of shell (1), fixed vortex dish (3) are located the inside fixed setting of end shield (2), control circuit board subassembly (6) set up in the lateral wall department of shell (1), and control circuit board subassembly (6) are connected with actuating mechanism (5) and set up, the output of actuating mechanism (5) is connected with motion vortex dish (4) and is set up, one side of motion vortex dish (4) is equipped with a plurality of balancing strips (7), and each balancing strip (7) all are annular evenly distributed about the axis of motion vortex dish (4), the inner wall of end shield (2) is fixed to be equipped with two annular protruding (8), and each balancing strip (7) all activity peg graft and set up between two annular protruding (8), each balancing strip (7) are equipped with one and each one set of balls (9) and all set up between the ball (4) and all sets up between the ball (4) and the ball joint.

2. The electric compressor with the axial balancing function according to claim 1, wherein a mounting base (10) is arranged below the casing (1), two groups of mounting protrusions (11) are arranged above the mounting base (10), each mounting protrusion (11) is fixedly arranged on the outer side wall of the casing (1), the upper end of each mounting protrusion (11) is provided with a groove, the bottom of each groove is slidably provided with a T-shaped rod (12), springs (13) are fixedly arranged between the side wall of each T-shaped rod (12) and the bottom of the groove on the same side, and the lower end of each T-shaped rod (12) is fixedly connected with the end face of the mounting base (10).

3. An electric compressor with axial balancing function according to claim 1, wherein each of the mounting mechanisms comprises a connecting post (14) fixedly arranged on the side wall of the movable scroll (4), and a mounting bolt (15) is connected with the end of each connecting post (14) and the side wall of the same-side balancing bar (7) in a threaded manner.

4. An electric compressor with axial balancing function according to claim 1, characterized in that the inner diameter of two of said annular projections (8) is greater than the outer diameter of the moving scroll (4).

5. An electric compressor with axial balancing function according to claim 2, characterized in that the lower end of the housing (1) is fixedly provided with a support plate (16), and a rubber damping pad (17) is jointly provided between the support plate (16) and the mounting base (10).

6. The electric compressor with the axial balancing function according to claim 1, characterized in that a group of locking bolts (18) are connected with the side wall of the end cover (2) and the side wall of the shell (1) in a common threaded mode, a sealing gasket (19) is fixed at the end portion of the end cover (2), and an annular sealing groove matched with the sealing gasket (19) is formed at the end portion of the shell (1).