CN219711746U - Automobile air conditioner compressor piston - Google Patents

Abstract

The utility model discloses a piston of an automobile air conditioner compressor, and aims to provide a piston of an automobile air conditioner compressor, which is provided with a structure for enabling a plug body to be stably limited at the bottom end of a shell. The plug comprises a shell and a cylinder, wherein a plug body and a limiting block are arranged on the shell, a plurality of through holes on the limiting block are symmetrically distributed by taking the center of the limiting block as the center, a plurality of plug nails arranged on the plug body are symmetrically distributed at the bottom end of the plug body, the positions of the plug nails correspond to the positions of the through holes up and down, the number of the through holes is larger than that of the plug nails, the plug body is detachably connected with the shell, a switch assembly arranged on the cylinder is electrically connected with the cylinder, a connecting pipe is arranged on the cylinder, the top end of the connecting pipe is connected with the cylinder, and the bottom end of the connecting pipe is detachably connected with the plug body. The beneficial effects of the utility model are as follows: the purpose of arranging a structure for stably limiting the plug body at the bottom end of the shell can be achieved; the piston has the function of avoiding the leakage of air pressure when the piston is used; the leakage of the used gas is convenient.

Description

Automobile air conditioner compressor piston

Technical Field

The utility model relates to the technical field of compressor pistons, in particular to an automobile air conditioner compressor piston.

Background

The compressor is a driven fluid machine for lifting low-pressure gas into high-pressure gas, is a heart of a refrigerating system, plays roles of sucking low-temperature low-pressure refrigerating gas in an air conditioner, drives a piston to perform chronologically compression through motor operation, then discharges high-temperature high-pressure refrigerating gas to an exhaust pipe to work, and is a power source of refrigerating circulation, wherein the piston is a working core component of the compressor. Since the utility model, automobiles are gradually integrated into society and become basic tools for modern people to walk, so that the temperature provided in the automobiles is also a very important point for automobile users, and the use of automobile air conditioners is a device for people to comfortably put in automobiles. However, when the automobile runs on the road, jolts are generated, and equipment of the device on the automobile is certainly rocked due to jolts of the automobile, and the automobile air conditioner is not exceptional, so that the stability of the device of the automobile air conditioner is very important.

Chinese patent grant bulletin number: CN214304239U, grant bulletin day 2021, month 09, 28, discloses an automotive air conditioner compressor piston comprising: the plug body is symmetrically provided with two circular through holes at the upper side, one end of one circular through hole is provided with a ball head groove, the upper side of the plug body is provided with two supporting frames, the inner sides of the two supporting frames are in sliding fit with a motor, and the output end of the motor is provided with a threaded rod; the inboard fixed plate that is equipped with of two support frames, and threaded rod screw thread fit is in the fixed plate, and the one end of threaded rod is equipped with the backup plate, and the sheet rubber has been installed to the downside of backup plate, and the one end of threaded rod corresponds with a circular through-hole of cock body. The technical scheme has the defects that under the condition that the air cylinder provides power, the plug body moves towards the bottom end of the shell, in the moving process, the outer side of the plug body is attached to the inner wall of the shell through the rubber ring, although the better sealing performance is provided for the plug body, the bottom end of the plug body is not provided with a stable limiting structure, when the plug body moves down to the bottom end of the shell, the contact with the bottom end of the shell possibly causes misalignment, and then the high-low deviation at the symmetrical two ends of the plug body is generated, so that the stable limiting of the plug body at the bottom end of the shell is influenced.

In summary, the structure that the bottom end of the plug body is stably limited by the bottom end of the shell can be arranged, so that the working stability of the plug body is enhanced, and the probability that the symmetric position is high and low in deviation is generated by the plug body at any time when the automobile jolts is reduced.

Disclosure of Invention

The utility model provides an automobile air conditioner compressor piston with a structure for stably limiting a plug body at the bottom end of a shell, which aims to overcome the defect that the stability of the plug body is influenced and limited at the bottom end of the shell in the prior art. In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an automobile air conditioner compressor piston, includes casing and cylinder, the top of casing is arranged in to the cylinder, install cock body and stopper on the casing, the bottom of casing is arranged in to the stopper, be equipped with a plurality of through-hole on the stopper, a plurality of through-hole uses the centre of a circle of stopper as central symmetry distribution, the cock body is arranged in the casing, install a plurality of dowel on the cock body, a plurality of dowel symmetric distribution is in the bottom of cock body, the position of dowel corresponds from top to bottom with the position of through-hole, the quantity of through-hole is greater than the quantity of dowel, the cock body can be dismantled with the casing and be connected, install switch module on the cylinder, switch module is connected with the cylinder electricity, install the connecting pipe on the cylinder, the top and the cylinder of connecting pipe are connected, the bottom and the cock body of connecting pipe can be dismantled and be connected. The design is through the control of switch module, can let the cylinder on casing top produce atmospheric pressure, under the direction of the connecting pipe that the cylinder is connected, atmospheric pressure just can exert pressure to the cock body that the connecting pipe bottom is connected, and the connection of connecting pipe and cock body can dismantle when here is connected, then the cock body receives the atmospheric pressure influence just can move down, and installs the stopper in the bottom of casing, then the cock body just moves towards stopper direction. A plurality of inserted nails are arranged at the bottom end of the plug body, a plurality of through holes are formed in the limiting block, the positions of the inserted nails are up and down corresponding to the positions of the through holes, then the plug body moves down to the limiting block, the inserted nails at the bottom end of the plug body can be smoothly inserted into the through holes in the limiting block, under the limiting effect of the inserted nails and the through holes, when the plug body is stably limited on the limiting block, the probability of high and low deviation of the symmetrical positions is reduced, and therefore the purpose of being provided with a structure for stably limiting the plug body at the bottom end of the shell is achieved. The number of the through holes is larger than that of the inserted nails, so that the through holes without inserted nails are convenient for the outer arrangement of air pressure in the shell, the shell is prevented from bursting under the continuous pressure of the air pressure, and the safety and the practicability are realized. Preferably, the plug body is provided with a connecting column, the connecting column is arranged at the center of the plug body, the bottom end of the connecting tube penetrates through the top end of the connecting column and is arranged in the connecting column, the bottom end of the connecting column is provided with a plurality of air outlet holes, and the air outlet holes are symmetrically distributed by taking the center of the connecting column as the center. The plug body can be connected with the air cylinder through the connecting pipe by the connecting column arranged on the plug body, the connecting column is a connecting component of the plug body and the air cylinder, and the connecting column is arranged at the center of the plug body, so that the probability of the situation of tilting in one direction when the plug body moves up and down is reduced. Under the wire of connecting pipe, the atmospheric pressure that the cylinder produced just can exert pressure to the spliced pole, just so also is atmospheric pressure and exerts pressure to the cock body, lets the cock body movable, and the bottom of spliced pole is equipped with a plurality of venthole, just is that the atmospheric pressure that lets in the spliced pole can outwards scatter to the cylinder persistence is exerted pressure to the cock body, and a plurality of venthole uses the centre of a circle of spliced pole as central symmetry distribution, then is the balanced outer scattering of atmospheric pressure to all directions of being convenient for, also has the effect that reduces the cock body symmetry position and has the probability of high low deviation. Preferably, the connecting column is provided with a plurality of annular grooves, the annular grooves are uniformly distributed from the top end to the bottom end of the connecting column, rubber rings are arranged in the annular grooves and connected with the connecting column, and the plug body is connected with the connecting column through the rubber rings. The rubber ring can be installed on the annular groove on the connecting column, a plurality of annular grooves are uniformly distributed from the top end to the bottom end of the connecting column, then a plurality of rubber rings are uniformly distributed from the top end to the bottom end of the connecting column, the plug body is connected with the connecting column through the rubber rings, the connecting column is influenced by air pressure generated by the air cylinder and moves towards the limiting block until the limiting block is touched, the connecting column stretches out and draws back under the elastic effect of the rubber rings, the plug body is slowly driven to move downwards, the stability of the plug body moving is improved, and the plug nails installed on the plug body can be stably inserted into the through holes on the limiting block. Preferably, the plug body is provided with a plurality of ball grooves, the ball grooves are symmetrically distributed with the connecting column as a center, the bottom end of the plug body is provided with a plurality of L-shaped spring pieces, the L-shaped spring pieces are provided with ball heads, and the ball heads are in one-to-one correspondence with the ball grooves. The L-shaped spring piece arranged at the bottom end of the plug body can be provided with the ball heads, so that the ball heads are in one-to-one correspondence with the ball head grooves on the plug body, and when the plug body is compressed by air pressure, the probability of air leakage is reduced, namely the probability of insufficient air pressure caused by air leakage is reduced. Preferably, the shell is provided with a limit groove, the outer edge of the plug body is provided with a plurality of connecting rings, the connecting rings are provided with penetrating shafts, one ends of the penetrating shafts are sleeved with the connecting shafts, the upper ends and the lower ends of the connecting shafts are respectively connected with the upper ends and the lower ends of the limit groove, the other ends of the penetrating shafts penetrate through the connecting rings and are arranged in the limit groove, and the plug body is connected with the other ends of the penetrating shafts. The limiting groove on the shell is designed to be capable of being placed into the connecting ring, two ends of the penetrating shaft penetrate through the connecting ring to be respectively placed at the left end and the right end of the connecting ring, the connecting shaft can be sleeved at one end of the penetrating shaft, the connecting ring is respectively connected with the upper end and the lower end of the limiting groove through the upper end and the lower end of the connecting shaft, the limiting effect is achieved, the other end of the penetrating shaft can be connected with the plug body, the plug body is enabled to have the limiting effect under the effect of the penetrating shaft, and the plug body is arranged under the connecting ring to provide better sealing performance for the piston. Preferably, the top of the plug body is provided with two supporting frames, the two supporting frames are symmetrical, the supporting frames are provided with connecting grooves, a top plate and a fixed plate are arranged at the connecting grooves, the top of the supporting frames is arranged between the top of the supporting frames and the fixed plate, the left end and the right end of the top plate are respectively arranged in the two connecting grooves, the outer edge of the top plate is contacted with the supporting frames, the left end and the right end of the fixed plate are respectively arranged in the two connecting grooves, the outer edge of the fixed plate is connected with the supporting frames, a motor is arranged on the top plate, the motor is arranged between the top plate and the fixed plate, the motor is electrically connected with the switch assembly, a threaded rod is arranged on the motor, the top end of the threaded rod is connected with the fixed plate in a threaded manner, the bottom of the threaded rod penetrates through the fixed plate and is arranged between the plug body and the motor, a backup plate is arranged at the bottom of the threaded rod, a rubber sheet is arranged on the backup plate, the top of the plug body is provided with a perforation, and the position of the perforation corresponds to the position of the rubber sheet. The two support frames installed on the top end of the plug body are designed to facilitate the limit of the motor, the two support frames are symmetrical, the support frames are provided with the connecting grooves, the top plate and the fixing plate are installed at the connecting grooves, the motor is installed between the top plate and the fixing plate, the left end and the right end of the top plate are respectively arranged in the two connecting grooves, the left end and the right end of the fixing plate are respectively arranged in the two connecting grooves, the outer edge of the top plate and the support frames are in contact with each other, the top plate can move up and down under the limit effect of the connecting grooves, the outer edge of the fixing plate is connected with the support frames, the fixing plate is fixedly connected to the connecting grooves, the top end of the threaded rod is connected with the motor, the bottom end of the threaded rod penetrates through the fixing plate to be arranged between the plug body and the motor, the threaded rod is in threaded connection with the fixing plate, the threaded rod is opened and rotated when the motor is operated, the threaded rod is rotated under the limit effect of the fixing plate, the motor and the two ends are driven to rotate, the motor is in the limit effect of the connecting top plate, the motor moves up and down under the limit effect of the connecting grooves, and the position of the connecting grooves corresponds to the plug body can move down, and the position of the plug body can be punched down, and the plug body can move down. Under the condition of matching the top plate and the fixed plate, the downward movement of the motor can be stably performed, namely, the probability of shaking of the motor due to the influence of bumping when the automobile bumps is reduced. The backup plate is used for preventing the threaded rod from moving out of the fixed plate, so that the occurrence probability of piston accidents is reduced.

The beneficial effects of the utility model are as follows: the purpose of arranging a structure for stably limiting the plug body at the bottom end of the shell can be achieved; the piston has the function of avoiding the leakage of air pressure when the piston is used; the leakage of the used gas is convenient.

Drawings

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

FIG. 2 is a schematic view of the structure within the housing of the present utility model;

FIG. 3 is a schematic diagram of the connection of the motor of the present utility model;

FIG. 4 is a schematic view of the connection of the outer side of the plug of the present utility model;

fig. 5 is a schematic connection diagram of the connection ring of the present utility model.

In the figure: 1. the shell, 2, the cylinder, 3, the stopper, 4, the switch module, 5, the cock body, 6, the connecting pipe, 7, the spliced pole, 8, bulb groove, 9, the bulb, 10, L-shaped spring leaf, 11, the dowel, 12, the through-hole, 13, the support frame, 14, the spread groove, 15, roof, 16, motor, 17, threaded rod, 18, fixed plate, 19, the backup plate, 20, perforation, 21, rubber ring, 22, the go-between, 23, the spacing groove, 24, the connecting axle, 25, the through-axle, 26, the sheet rubber.

Description of the embodiments

The utility model is further described below with reference to the drawings and detailed description.

In the embodiment shown in fig. 1 and 2, an automobile air conditioner compressor piston comprises a shell 1 and a cylinder 2, wherein the cylinder 2 is arranged at the top end of the shell 1, a plug body 5 and a limiting block 3 are arranged on the shell 1, the limiting block 3 is arranged at the bottom end of the shell 1, a plurality of through holes 12 are formed in the limiting block 3, the plurality of through holes 12 are symmetrically distributed by taking the center of the limiting block 3 as the center, the plug body 5 is arranged in the shell 1, a plurality of inserting nails 11 are arranged on the plug body 5, the positions of the inserting nails 11 correspond to the positions of the through holes 12 up and down, the number of the through holes 12 is greater than that of the inserting nails 11, the plug body 5 is detachably connected with the shell 1, a switch assembly 4 is arranged on the cylinder 2, the switch assembly 4 is electrically connected with the cylinder 2, a connecting pipe 6 is arranged on the cylinder 2, the top end of the connecting pipe 6 is connected with the cylinder 2, and the bottom end of the connecting pipe 6 is detachably connected with the plug body 5.

As shown in fig. 2, 3, 4 and 5, the plug body 5 is provided with a connecting column 7, the connecting column 7 is arranged at the center of the plug body 5, the bottom end of the connecting tube 6 passes through the top end of the connecting column 7 and is arranged in the connecting column 7, the bottom end of the connecting column 7 is provided with a plurality of air outlets, and the air outlets are symmetrically distributed by taking the center of the connecting column 7 as the center. The connecting column 7 is provided with a plurality of annular grooves, the annular grooves are uniformly distributed from the top end to the bottom end of the connecting column 7, rubber rings 21 are arranged in the annular grooves, the rubber rings 21 are connected with the connecting column 7, and the plug body 5 is connected with the connecting column 7 through the rubber rings 21. The plug body 5 is provided with a plurality of ball grooves 8, the ball grooves 8 are symmetrically distributed by taking the connecting column 7 as a center, the bottom end of the plug body 5 is provided with a plurality of L-shaped spring pieces 10, the L-shaped spring pieces 10 are provided with ball heads 9, and the ball heads 9 are in one-to-one correspondence with the ball grooves 8. The shell 1 is provided with a limit groove 23, a plurality of connecting rings 22 are arranged on the outer edge of the plug body 5, a penetrating shaft 25 is arranged on each connecting ring 22, one end of each penetrating shaft 25 is sleeved with a connecting shaft 24, the upper end and the lower end of each connecting shaft 24 are respectively connected with the upper end and the lower end of the corresponding limit groove 23, the other end of each penetrating shaft 25 penetrates through each connecting ring 22 to be arranged in the corresponding limit groove 23, and the plug body 5 is connected with the other end of each penetrating shaft 25. Two support frames 13 are installed on the top of cock body 5, two support frames 13 are symmetrical, be equipped with spread groove 14 on the support frame 13, spread groove 14 department installs roof 15 and fixed plate 18, roof 15 is arranged in between the top of support frame 13 and the fixed plate 18, the left and right sides both ends of roof 15 are arranged in two spread groove 14 respectively, the outward flange of roof 15 contacts with support frame 13, the left and right both ends of fixed plate 18 are arranged in two spread groove 14 respectively, the outward flange of fixed plate 18 is connected with support frame 13, install motor 16 on roof 15, motor 16 is arranged in between roof 15 and fixed plate 18, motor 16 is connected with switch module 4 electricity, install threaded rod 17 on the motor 16, the top and the motor 16 of threaded rod 17 are connected, 17 and fixed plate 18 threaded connection, the bottom of threaded rod 17 passes fixed plate 18 and is arranged in between cock body 5 and motor 16, backup plate 19 is installed to the bottom of threaded rod 17, install rubber piece 26 on backup plate 19, the top of cock body 5 is equipped with perforation 20, the position of perforation 20 corresponds from top to bottom with the position of rubber piece 26.

Firstly, through the control of a switch assembly 4 arranged on a cylinder 2, a motor 16 electrically connected with the switch assembly 4 starts to work, the motor 16 is arranged between a plug body 5 and the cylinder 2, two supporting frames 13 are symmetrically arranged on the top end of the plug body 5, connecting grooves 14 are arranged on the supporting frames 13, the left end and the right end of a top plate 15 are respectively arranged in the two connecting grooves 14, the outer edge of the top plate 15 is contacted with the supporting frames 13, namely, the top plate 15 can move up and down under the limiting effect of the connecting grooves 14, the left end and the right end of a fixed plate 18 are respectively arranged in the two connecting grooves 14, the outer edge of the fixed plate 18 is connected with the supporting frames 13, namely, the fixed plate 18 is stably limited on the supporting frames 13, the motor 16 is arranged between the top plate 15 and the fixed plate 18, the motor 16 is connected with the top plate 15, the threaded rod 17 arranged on the motor 16 is in threaded connection with the fixed plate 18, the bottom end of the threaded rod 17 is arranged between the plug body 5 and the motor 16 through the fixed plate 18, the backup plate 19 is arranged at the bottom end of the threaded rod 17, the position of the rubber sheet 26 arranged on the backup plate 19 corresponds to the position of the perforation 20 up and down, then the motor 16 works to enable the threaded rod 17 to start rotating, and the motor 16 and the rubber sheet 26 are driven to move towards the plug body 5 until the rubber sheet 26 blocks the perforation 20, so that the air pressure at the top ends of the air cylinder 2 and the plug body 5 is prevented from being discharged downwards through the perforation 20. When the compressor is installed on the automobile, the switch assembly 4 can be electrically connected with the control key of the automobile, so that the switch control of the air cylinder 2 and the motor 16 is facilitated, namely, the switch control of the automobile air conditioner is facilitated, and the power supply required by the operation can be provided by the power supply carried by the automobile.

Then, the air cylinder 2 electrically connected is controlled by the switch assembly 4 to start working, the air cylinder 2 can generate air pressure, the air cylinder 2 is provided with the connecting pipe 6, the top end of the connecting pipe 6 is connected with the air cylinder 2, the bottom end of the connecting pipe 6 penetrates through the top end of the connecting column 7 on the plug body 5, the air pressure generated by the air cylinder 2 can press the bottom end direction of the connecting column 7 downwards through the guiding of the connecting pipe 6, or can press the top end of the plug body 5 installed in the shell 1, so that the plug body 5 moves towards the bottom end direction of the shell 1, a limit groove 23 is formed in the inner wall of the shell 1, a connecting ring 22 installed on the outer edge of the plug body 5 is placed in the limit groove 23, a penetrating shaft 25 is installed on the connecting ring 22, the upper end and the lower end of the connecting shaft 24 sleeved at one end of the penetrating shaft 25 are respectively connected with the upper end and the lower end of the limit groove 23, the other end of the penetrating shaft 25 penetrates through the connecting ring 22 and is well connected with the plug body 5, when the plug body 5 is pressed downwards under the influence of air pressure, the outer edge is moved towards the bottom end of the connecting ring 22, and the connecting ring 22 is well sealed, and the piston 22 is made. It should be noted that, the connecting column 7 is disposed at the center of the plug body 5, the plurality of air outlets disposed at the bottom end of the connecting column 7 are symmetrically distributed with the center of the connecting column 7 as the center, and the plurality of ball grooves 8 of the plug body 5 are symmetrically distributed with the connecting column 7 as the center, so that when air pressure is applied, the air pressure applies pressure to the bottom end of the connecting column 7 through the connecting tube 6 and also applies pressure to the top end of the plug body 5, and the compression of the connecting column 7 balances the pressure applied to the plug body 5, so that the plug body 5 moves downwards stably, and the probability of high and low deviation of the symmetry position generated by the plug body 5 is reduced. The bottom of the connecting column 7 is provided with a plurality of air outlet holes, so that the connecting column 7 can drive the plug body 5 to stably move downwards when the air pressure is applied to the bottom of the connecting column 7, and a motor with the same effect as the motor 16 at the top end of the plug body 5 can be arranged at the air outlet holes, thereby being convenient for opening and closing the air outlet holes.

After the plug body 5 is pressed, the plug body moves towards the limit block 3 at the bottom end of the shell 1, a plurality of inserted nails 11 are symmetrically distributed at the bottom end of the plug body 5, a plurality of through holes 12 on the limit block 3 are symmetrically distributed by taking the center of the limit block 3 as the center, the positions of the inserted nails 11 correspond to the positions of the through holes 12 up and down, when the plug body 5 moves down to the position of the limit block 3, the inserted nails 11 can be smoothly inserted into the through holes 12, the limit effect of the plug body 5 is stabilized under the cooperation of the inserted nails 11 and the through holes 12, and a plurality of annular grooves on the connecting column 7 are uniformly distributed from the top end to the bottom end of the connecting column 7, the rubber ring 21 is arranged in the annular groove, so that the rubber ring 21 is uniformly distributed from the top end to the bottom end of the connecting column 7, the plug body 5 is connected with the connecting column 7 through the rubber ring 21, and then when the plug body 5 touches the limiting block 3, the elastic effect of the rubber ring 21 can enable the plug body 5 to slowly move downwards, namely, the stability of the movement of the plug body 5 is given, meanwhile, the plug nails 11 can be slowly inserted into the through holes 12, the probability of high-low deviation of the symmetrical positions of the plug body 5 is reduced, and the purpose of arranging a structure for stably limiting the plug body 5 at the bottom end of a shell is achieved. The number of the through holes 12 is larger than that of the plug pins 11, so that the air pressure can be smoothly discharged after the use.

After the plug pin 11 is inserted into the through hole 12, the rubber sheet 26 on the threaded rod 17 connected with the motor 6 can be separated from the through hole 20 under the control of the switch assembly 4, so that air pressure can be put down and dispersed towards the limiting block 3 through the through hole 20, and then discharged outside through the through hole 12 on the limiting block 3, so that the next work can be performed. Of course, the motor in the connecting column 7 can start similar exhausting operation, and the bottom end of the plug body 5 can be provided with a spring, so that when exhausting operation, the plug body 5 automatically moves upwards under the elastic effect of the spring and the elastic effect of the rubber ring 21 on the connecting column 7, and thus, the piston of the automobile air conditioner compressor can be circularly operated, and the piston is simple, convenient and practical.

Claims (6)

1. The utility model provides an automobile air conditioner compressor piston, its characterized in that, including casing (1) and cylinder (2), the top of casing (1) is arranged in to cylinder (2), install cock body (5) and stopper (3) on casing (1), the bottom of casing (1) is arranged in to stopper (3), be equipped with a plurality of through-hole (12) on stopper (3), a plurality of through-hole (12) use the centre of a circle of stopper (3) to be central symmetry distribution, in casing (1) is arranged in to cock body (5), install a plurality of peg (11) on cock body (5), a plurality of peg (11) symmetric distribution in the bottom of cock body (5), the place of peg (11) corresponds from top to bottom with the place of through-hole (12), the quantity of through-hole (12) is greater than the quantity of peg (11), cock body (5) can dismantle with casing (1) and be connected, install switch assembly (4) on cylinder (2), switch assembly (4) are connected with cylinder (2) electricity, bottom (6) are connected with connecting pipe (6), connecting pipe (6).

2. The piston of the automobile air conditioner compressor according to claim 1, wherein the plug body (5) is provided with a connecting column (7), the connecting column (7) is arranged at the center of the plug body (5), the bottom end of the connecting tube (6) penetrates through the top end of the connecting column (7) and is arranged in the connecting column (7), the bottom end of the connecting column (7) is provided with a plurality of air outlets, and the plurality of air outlets are symmetrically distributed with the center of the connecting column (7) as the center.

3. The piston of the automobile air conditioner compressor according to claim 2, wherein the connecting column (7) is provided with a plurality of annular grooves, the annular grooves are uniformly distributed from the top end to the bottom end of the connecting column (7), rubber rings (21) are arranged in the annular grooves, the rubber rings (21) are connected with the connecting column (7), and the plug body (5) is connected with the connecting column (7) through the rubber rings (21).

4. The piston of the automobile air conditioner compressor according to claim 2, wherein the plug body (5) is provided with a plurality of ball grooves (8), the ball grooves (8) are symmetrically distributed with the connecting column (7) as a center, a plurality of L-shaped spring pieces (10) are arranged at the bottom end of the plug body (5), ball heads (9) are arranged on the L-shaped spring pieces (10), and the ball heads (9) are in one-to-one correspondence with the ball grooves (8).

5. The piston of the automobile air conditioner compressor according to claim 1, wherein the shell (1) is provided with a limit groove (23), a plurality of connecting rings (22) are arranged on the outer edge of the plug body (5), a penetrating shaft (25) is arranged on the connecting rings (22), one end of the penetrating shaft (25) is sleeved with a connecting shaft (24), the upper end and the lower end of the connecting shaft (24) are respectively connected with the upper end and the lower end of the limit groove (23), the other end of the penetrating shaft (25) penetrates through the connecting rings (22) to be arranged in the limit groove (23), and the plug body (5) is connected with the other end of the penetrating shaft (25).

6. The piston of an automotive air conditioner compressor according to claim 1, wherein two supporting frames (13) are installed on the top end of the plug body (5), the two supporting frames (13) are symmetrical, a connecting groove (14) is formed in each supporting frame (13), a top plate (15) and a fixing plate (18) are installed at each connecting groove (14), the top plate (15) is arranged between the top end of each supporting frame (13) and the fixing plate (18), the left end and the right end of each top plate (15) are respectively arranged in the two connecting grooves (14), the outer edge of each top plate (15) is in contact with the supporting frame (13), the left end and the right end of each fixing plate (18) are respectively arranged in the two connecting grooves (14), the outer edge of each fixing plate (18) is connected with the supporting frame (13), a motor (16) is installed on each top plate (15), the motor (16) is arranged between the top plate (15) and the fixing plate (18), the motor (16) is electrically connected with the switch assembly (4), the motor (16) is installed on each top plate (16), the motor (17) is connected with the threaded rod (17) through the threaded rod (17) and the threaded rod (17) is connected with the threaded rod (18), the bottom of threaded rod (17) passes fixed plate (18) and arranges in between cock body (5) and motor (16), backup plate (19) are installed to the bottom of threaded rod (17), install sheet rubber (26) on backup plate (19), the top of cock body (5) is equipped with perforation (20), the position of perforation (20) corresponds from top to bottom with the position of sheet rubber (26).