CN112483349A - V-5 type external control type variable volume automobile air conditioner compressor and assembling method thereof - Google Patents

Abstract

The invention discloses a V-5 type external control variable volume automobile air-conditioning compressor and an assembling method thereof, and the compressor comprises a shell, a front cover, a rear cover, a cylinder body, a main shaft and a clutch, wherein one end of the shell is fixedly provided with the front cover through a bolt, one end of the shell far away from the front cover is fixedly provided with the rear cover through a bolt, one end of the inner wall of the shell close to the rear cover is fixedly provided with the cylinder body, the middle part of the cylinder body is rotatably connected with the main shaft through a bearing, one end of the main shaft penetrates through the front cover and is fixedly provided with the clutch, the middle part of the main shaft is slidably connected with a sliding sleeve, the outer side of the sliding sleeve is rotatably connected with a swinging plate through a spherical bearing, one side of the swinging plate is rotatably connected with a swash plate through a thrust bearing, when the sliding sleeve and the swash plate are assembled, the swash plate is firstly clamped and, the shaft pin hole of the sliding sleeve is aligned with the shaft pin hole on the swash plate, so that the assembly of people is facilitated.

Description

V-5 type external control type variable volume automobile air conditioner compressor and assembling method thereof

Technical Field

The invention relates to the technical field of air-conditioning compressors, in particular to a V-5 type external control type variable-volume automobile air-conditioning compressor and an assembling method thereof.

Background

The automobile compressor is the core component of the whole automobile refrigeration system, and the main function of the automobile compressor is to convey and compress refrigerant vapor and ensure the normal operation of a refrigeration cycle. The performance of the compressor directly affects the operational performance, noise, vibration, maintenance, service life and other indexes of the refrigeration system. At present, a car, a medium-sized and small-sized passenger car and a small-sized truck are generally in a direct connection type, namely, an automobile air conditioner compressor is arranged on one side of an automobile engine and driven by the power of a main engine; the large bus is driven by an independent engine;

when the conventional air compressor is assembled, the swash plate and the sliding sleeve are hinged through the shaft pin, manual handheld positioning is needed, and the assembly is troublesome, so that the V-5 type external control type variable volume automobile air conditioner compressor and the assembly method thereof are provided.

Disclosure of Invention

The invention aims to provide a V-5 type external control type variable volume automobile air conditioner compressor, which solves the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a V-5 type external control type variable volume automobile air-conditioning compressor comprises a shell, a front cover, a rear cover, a cylinder body, a main shaft and a clutch, wherein the front cover is fixed at one end of the shell through bolts, the rear cover is fixed at one end, away from the front cover, of the shell through bolts, the cylinder body is fixed at one end, close to the rear cover, of the inner wall of the shell, the main shaft is connected to the middle of the cylinder body through bearing rotation, one end of the main shaft penetrates through the front cover and is fixed with the clutch, a sliding sleeve is connected to the middle of the main shaft in a sliding manner, a swinging plate is connected to the outer side of the sliding sleeve through spherical bearing rotation, a swash plate is connected to one side of the swinging plate through thrust bearing rotation, the middle of the swash plate is hollow, the inner wall of the swash plate is hinged to the sliding sleeve through shaft pins, a first fixed, and the one end that the connecting rod is close to the second fixed block is articulated through pivot and second fixed block, the swash plate is kept away from to the rocking disc one side and is connected with the piston rod through universal bulb rotation, piston rod one end is connected with the piston through universal bulb rotation, and piston and cylinder body inner wall sliding connection.

And a thrust bearing is arranged between the wobble plate and the swash plate.

And sealing rings are sleeved on the outer sides of the pistons at equal intervals.

The invention also comprises an assembly method of the V-5 type external control type variable volume automobile air conditioner compressor, which is completed by matching an assembly device, wherein the assembly device comprises a fixed box, a fixed table is fixed at the upper end of the inner wall of the fixed box, a placing groove is formed in the middle of the fixed table, a through hole is formed in the middle of the placing groove, a first clamping device is fixed at the upper end of the inside of the fixed box, an installation table is fixed at the middle of the inner wall of the fixed box, and a second clamping device is fixed on the upper surface of the installation table;

the assembling method of the V-5 type external control type variable volume automobile air conditioner compressor comprises the following steps:

placing a swash plate in a placing groove, clamping by a first clamping device, placing a sliding sleeve on the inner wall of the swash plate, clamping by a second clamping device, adjusting the angles of the sliding sleeve and the swash plate to align an axle pin hole on the sleeve with an axle pin hole on the swash plate, and hinging the swash plate with the sliding sleeve by an axle pin;

secondly, connecting the swing disc with the sliding sleeve through a spherical bearing, connecting the piston with the swing disc through a piston rod, and hinging the first fixed block with the second fixed block through a connecting rod;

thirdly, the main shaft is arranged in the middle of the cylinder body, and the piston is arranged in a compression cavity on the inner wall of the cylinder body;

and fourthly, closing the front cover and the rear cover and installing a clutch.

Preferably, the first clamping device in the assembling device comprises a sliding chute, a sliding block, a clamping block, a sliding way, a shifting rod, a fixing plate, a rotating disc, a shifting groove, a first worm gear ring, an installation block, a first worm and a servo motor, the sliding chute is arranged on the inner wall of the placing groove at equal intervals, the sliding chute is connected with the sliding block in a sliding way, one end of the sliding block penetrates through the sliding chute and is fixed with the clamping block, the sliding way is arranged at the lower end of the inner wall of the sliding chute, the shifting rod is fixed at one end of the sliding block close to the sliding way and is connected with the sliding way in a sliding way, the fixing plate is fixed at one end of the inner wall of the fixing box close to the fixing disc, the middle part of the fixing plate is arranged in a hollow way, the upper surface of the fixing plate is rotatably connected with the rotating disc through a bearing, the shifting groove is tightly arranged, two the installation piece middle part is rotated through the bearing and is connected with first worm, and first worm wheel ring meshing are connected, one installation piece one side is fixed with servo motor, and servo motor's output and first worm fixed connection.

Preferably, the second clamping device in the assembling device comprises a clamping box, a supporting plate, a rotary groove, an L-shaped rod, a U-shaped rod, a shifting post, an electric push rod, a U-shaped plate, an arc-shaped clamping rod, a second worm gear ring and a second worm, the clamping box is fixed on the upper surface of the mounting table, the supporting plate is fixed on the upper end of the inner wall of the clamping box, the rotary groove is symmetrically formed on the outer side of the supporting plate, the L-shaped rod is rotatably connected to the inner wall of the rotary groove through a shaft pin, the U-shaped rod is fixed at one end of the L-shaped rod, the two U-shaped rods are arranged in a staggered manner, the shifting post is slidably connected to the inner wall of the two U-shaped rods, the electric push rod is fixed to the inner wall of the clamping box, the U-shaped plate is fixed to the output end of the electric push rod, the shifting post is fixedly connected to the U-shaped plate, the arc-shaped clamping, and one end of the inner wall of the fixed box, which is close to the second worm gear ring, is rotatably connected with a second worm through a bearing, and the second worm gear ring is meshed with the second worm.

Preferably, one end of the second worm penetrates through the fixed box and is fixed with a hand wheel.

Preferably, the bottom of the fixed box is symmetrically fixed with the support legs.

Preferably, the servo motor is a speed reduction motor.

Preferably, the chute is provided with a hidden groove at one end close to the clamping block, and the clamping block is connected with the hidden groove in a sliding manner.

Preferably, the clamping block is arranged in an L shape.

Preferably, the shifting groove is obliquely arranged.

Compared with the prior art, the invention has the beneficial effects that:

when the sliding sleeve and the swash plate are assembled, the swash plate is clamped and fixed through the first clamping device, the sliding sleeve is fixed through the second clamping device, and the angle of the sliding sleeve is adjusted through rotating the hand wheel, so that the pin hole of the sliding sleeve is aligned with the pin hole in the swash plate, and the assembling of people is facilitated.

Drawings

FIG. 1 is a schematic cross-sectional view of a compressor according to the present invention;

FIG. 2 is a schematic cross-sectional view of the swash plate of the present invention;

FIG. 3 is a schematic cross-sectional view of the mounting apparatus of the present invention;

FIG. 4 is a front view of the assembling apparatus of the present invention;

FIG. 5 is a schematic cross-sectional view of a second clamping device according to the present invention;

FIG. 6 is an enlarged view taken at A in FIG. 3;

FIG. 7 is a schematic view of a servo motor according to the present invention.

In the figure: 1. a housing; 2. a front cover; 3. a rear cover; 4. a cylinder body; 5. a main shaft; 6. a clutch; 7. a sliding sleeve; 8. a wobble plate; 9. a swash plate; 10. a first fixed block; 11. a second fixed block; 12. a connecting rod; 13. a piston rod; 14. a piston; 15. a fixed box; 17. a fixed table; 18. a placement groove; 19. a through hole; 20. a first holding device; 21. an installation table; 22. a second holding device; 23. a chute; 24. a slider; 25. a clamping block; 26. a slideway; 27. a deflector rod; 28. a fixing plate; 29. a turntable; 30. a groove is poked; 31. a first worm gear ring; 32. mounting blocks; 33. a first worm; 34. a servo motor; 35. a clamping box; 36. a support plate; 37. rotating the groove; 38. an L-shaped rod; 39. a U-shaped rod; 40. column shifting; 41. an electric push rod; 42. a U-shaped plate; 43. an arc-shaped clamping rod; 44. a second worm gear ring; 45. a second worm; 46. a hand wheel; 47. a support leg; 48. the slot is hidden.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, a V-5 type external control variable volume automobile air conditioning compressor in the figure comprises a shell 1, a front cover 2, a rear cover 3, a cylinder 4, a main shaft 5 and a clutch 6, wherein the front cover 2 is fixed at one end of the shell 1 through a bolt, the rear cover 3 is fixed at one end of the shell 1 far away from the front cover 2 through a bolt, the cylinder 4 is fixed at one end of the inner wall of the shell 1 close to the rear cover 3, the main shaft 5 is rotatably connected at the middle part of the cylinder 4 through a bearing, the clutch 6 is fixed at one end of the main shaft 5 through the front cover 2, a sliding sleeve 7 is slidably connected at the middle part of the main shaft 5, a swinging plate 8 is rotatably connected at the outer side of the sliding sleeve 7 through a spherical bearing, a swash plate 9 is rotatably connected at one side of the swinging plate 8 through a thrust bearing, the middle part of the swash plate 9 is hollow, 5 one end of main shaft is fixed with first fixed block 10, swash plate 9 one side is fixed with second fixed block 11, first fixed block 10 one end articulates through the pivot has connecting rod 12, and connecting rod 12 is close to the one end of second fixed block 11 and passes through the pivot and articulate with second fixed block 11, the one side of wobble plate 8 keeping away from the lower wall is connected with piston rod 13 through universal bulb rotation, piston rod 13 one end is connected with piston 14 through universal bulb rotation, and piston 14 and 4 inner wall sliding connection of cylinder body.

And a thrust bearing is arranged between the swinging plate 8 and the swash plate 9.

And sealing rings are sleeved on the outer sides of the pistons 14 at equal intervals.

Referring to fig. 3 and 6, the invention further includes an assembly method of a V-5 type external control type variable volume automobile air conditioner compressor, which is completed by matching an assembly device, wherein the assembly device includes a fixed box 15, support legs 47 are symmetrically fixed at the bottom of the fixed box 15, a fixed table 17 is fixed at the upper end of the inner wall of the fixed box 15, a placement groove 18 is formed in the middle of the fixed table 17, a through hole 19 is formed in the middle of the placement groove 18, a first clamping device 20 is fixed at the upper end inside the fixed box 15, an installation table 21 is fixed at the middle of the inner wall of the fixed box 15, and a second clamping device 22 is fixed on the upper surface of the installation table 21;

the assembling method of the V-5 type external control type variable volume automobile air conditioner compressor comprises the following steps:

firstly, placing the swash plate 9 in the placing groove 18, clamping by using a first clamping device 20, placing the sliding sleeve 7 on the inner wall of the swash plate 9, clamping by using a second clamping device 22, adjusting the angles of the sliding sleeve 7 and the swash plate 9 to align the pin holes on the sliding sleeve with the pin holes on the swash plate 9, and then hinging the swash plate 9 with the sliding sleeve 7 by using a shaft pin;

secondly, the swinging plate 8 is connected with the sliding sleeve 7 through a spherical bearing, the piston 14 is connected with the swinging plate 8 through a piston rod 13, and the first fixed block 10 is hinged with the second fixed block 11 through a connecting rod 12;

thirdly, the main shaft 5 is arranged in the middle of the cylinder 4, and the piston 14 is arranged in a compression cavity on the inner wall of the cylinder 4;

and fourthly, closing the front cover 2 and the rear cover 3 and installing the clutch 6.

Referring to fig. 3, 6 and 7, a first clamping device 20 of the assembling device includes a sliding slot 23, a sliding block 24, a clamping block 25, a sliding way 26, a shift lever 27, a fixing plate 28, a rotating disc 29, a shifting slot 30, a first worm gear ring 31, a mounting block 32, a first worm 33 and a servo motor 34, the sliding slot 23 is formed on the inner wall of the placing slot 18 at equal intervals, the sliding slot 23 is connected with the sliding block 24 in a sliding manner, one end of the sliding block 24 penetrates through the sliding slot 23 and is fixed with the clamping block 25, the clamping block 25 is arranged in an L shape, the sliding way 26 is formed at the lower end of the inner wall of the sliding slot 23, the shift lever 27 is fixed at one end of the sliding block 24 close to the sliding way 26, the shift lever 27 is connected with the sliding way 26 in a sliding manner, the fixing plate 28 is fixed at one end of the inner wall of the fixing box 15 close to, a dial groove 30 is tightly arranged on the surface of the rotary disc 29, a dial rod 27 is slidably connected with the inner wall of the dial groove 30, the dial groove 30 is obliquely arranged, a first worm gear ring 31 is fixed on the outer side of the rotary disc 29, mounting blocks 32 are symmetrically fixed at one end of the upper surface of the fixing plate 28, a first worm 33 is rotatably connected to the middle parts of the two mounting blocks 32 through bearings, the first worm 33 is meshed with the first worm gear ring 31, a servo motor 34 is fixed on one side of one mounting block 32, the output end of the servo motor 34 is fixedly connected with the first worm 33, the servo motor 34 is a speed reduction motor, a swash plate 9 is firstly placed in the placing groove 18, then the servo motor 34 is controlled by a controller to rotate, so that the first worm 33 drives the first worm gear ring 31 to rotate, further drives the rotary disc 29 to rotate, and the dial groove 30 on the rotary disc 29 dials the dial rod 27 to slide, because the shift lever 27 is limited by the slide way 26, the shift lever 27 can only slide along the slide way 26, and then the shift lever 27 can be driven to slide, so that the shift lever 27 drives the sliding blocks 24 to slide, and the three sliding blocks 24 approach each other, and then the clamping block 25 is driven to clamp the swash plate 9.

Referring to fig. 3, 4 and 5, the second clamping device 22 of the assembling device includes a clamping box 35, a supporting plate 36, a rotating groove 37, an L-shaped rod 38, a U-shaped rod 39, a shifting post 40, an electric push rod 41, a U-shaped plate 42, an arc-shaped clamping rod 43, a second worm-gear ring 44 and a second worm 45, the clamping box 35 is fixed on the upper surface of the mounting table 21, the supporting plate 36 is fixed on the upper end of the inner wall of the clamping box 35, the rotating groove 37 is symmetrically formed on the outer side of the supporting plate 36, the L-shaped rod 38 is rotatably connected on the inner wall of the rotating groove 37 through a shaft pin, the U-shaped rod 39 is fixed on one end of the L-shaped rod 38, two U-shaped rods 39 are arranged in a staggered manner, the shifting post 40 is slidably connected on the inner wall of the two U-shaped rods 39, the electric push rod 41 is fixed on the inner wall of the clamping box 35, the U-shaped plate 42 is fixed on, an arc-shaped clamping rod 43 is fixed at one end of the L-shaped rod 38 far away from the U-shaped rod 39, a second worm gear ring 44 is fixed at the lower end of the outer side of the clamping box 35, one end of the inner wall of the fixed box 15 close to the second worm gear ring 44 is rotatably connected with a second worm 45 through a bearing, the second worm gear ring 44 is meshed with the second worm 45, one end of the second worm 45 penetrates through the fixed box 15 and is fixed with a hand wheel 46, people place the sliding sleeve 7 on the supporting plate 36 through the inner wall of the swash plate 9, at the moment, the electric push rod 41 is controlled to lift through the controller, the U-shaped plate 42 is driven by the electric push rod 41 to slide downwards, the shifting column 40 is driven to slide downwards, the shifting column 40 shifts the two U-shaped rods 39 and slides on the inner wall of the U-shaped rod 39, the L-shaped rod 38 is driven to turn over, the L-shaped rod 38 drives the arc-shaped clamping rod 43 to clamp the sliding sleeve 7, the second worm 45 is driven to rotate, so that the second worm 45 drives the second worm wheel ring 44 to rotate, the clamping box 35 can be driven to rotate, the clamped sliding sleeve 7 is driven to rotate, and the shaft pin hole in the adjusting sliding sleeve 7 is aligned with the shaft pin hole in the swash plate 9, so that subsequent installation is facilitated.

Referring to fig. 6, a hidden slot 48 is formed at one end of the sliding slot 23 close to the clamping block 25, and the clamping block 25 is slidably connected with the hidden slot 48 to facilitate the hiding of the clamping block 25.

The working principle is as follows:

when assembling the sliding sleeve 7 and the swash plate 9, a user firstly places the swash plate 9 in the placing groove 18, then controls the servo motor 34 to rotate through the controller, and further drives the first worm 33 to rotate, so that the first worm 33 drives the first worm ring 31 to rotate, and further drives the turntable 29 to rotate, so that the poking groove 30 on the turntable 29 pokes the poking rod 27 to slide, because the poking rod 27 is limited by the slideway 26, the poking rod 27 only can slide along the slideway 26, and further drives the poking rod 27 to slide, so that the poking rod 27 drives the sliding blocks 24 to slide, so that the three sliding blocks 24 are close to each other, and further drives the clamping blocks 25 to clamp the swash plate 9, then the user places the sliding sleeve 7 on the supporting plate 36 through the inner wall of the swash plate 9, and controls the electric push rod 41 to lift through the controller, drives the U-shaped plate 42 to slide downwards through the electric push rod, make the post 40 stir two U-shaped poles 39, and slide at U-shaped pole 39 inner walls, and then drive L-shaped pole 38 upset, make L-shaped pole 38 drive arc clamping bar 43 with the centre gripping of sliding sleeve 7, fix sliding sleeve 7, then people's rethread hand wheel 46, drive second worm 45 and rotate, make second worm 45 drive second worm wheel ring 44 and rotate, and then can drive centre gripping case 35 and rotate, drive the sliding sleeve 7 that is held and rotate, adjust the axle pinhole on the sliding sleeve 7 and align with the axle pinhole on the sloping cam plate 9, so that subsequent installation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a variable volume vehicle air conditioner compressor of V-5 type external control formula, includes casing (1), protecgulum (2), hou gai (3), cylinder body (4), main shaft (5) and clutch (6), its characterized in that: the improved structure of the swash plate is characterized in that a front cover (2) is fixed at one end of a shell (1) through a bolt, a rear cover (3) is fixed at one end, far away from the front cover (2), of the shell (1), a cylinder body (4) is fixed at one end, close to the rear cover (3), of the inner wall of the shell (1), a main shaft (5) is rotatably connected to the middle of the cylinder body (4) through a bearing, a clutch (6) is fixed at one end of the main shaft (5) after penetrating through the front cover (2), a sliding sleeve (7) is slidably connected to the middle of the main shaft (5), a wobble plate (8) is rotatably connected to the outer side of the sliding sleeve (7) through a spherical bearing, a swash plate (9) is rotatably connected to one side of the wobble plate (8), the middle of the swash plate (9) is arranged in a hollow mode, the inner wall of the swash plate (9) is hinged to the sliding sleeve (7, first fixed block (10) one end articulates through the pivot has connecting rod (12), and connecting rod (12) are close to the one end of second fixed block (11) and pass through the pivot and articulate with second fixed block (11), one side that swash plate (9) were kept away from in wobble plate (8) is connected with piston rod (13) through universal bulb rotation, piston rod (13) one end is connected with piston (14) through universal bulb rotation, and piston (14) and cylinder body (4) inner wall sliding connection.

2. The method for assembling the compressor of the air conditioner of the V-5 type external control type variable volume automobile as claimed in claim 1, wherein: and a thrust bearing is arranged between the swinging plate (8) and the swash plate (9).

3. The method for assembling the compressor of the air conditioner of the V-5 type external control type variable volume automobile as claimed in claim 1, wherein: and sealing rings are sleeved on the outer sides of the pistons (14) at equal intervals.

4. The assembly method of the V-5 type external control type variable volume automobile air conditioner compressor is completed by adopting an assembly device, and is characterized in that: the assembling device comprises a fixed box (15), a fixed table (17) is fixed at the upper end of the inner wall of the fixed box (15), a placing groove (18) is formed in the middle of the fixed table (17), a through hole (19) is formed in the middle of the placing groove (18), a first clamping device (20) is fixed at the upper end of the inner part of the fixed box (15), an installation table (21) is fixed in the middle of the inner wall of the fixed box (15), and a second clamping device (22) is fixed on the upper surface of the installation table (21);

the assembling method of the V-5 type external control type variable volume automobile air conditioner compressor comprises the following steps:

placing a swash plate (9) in a placing groove (18), clamping by a first clamping device (20), placing a sliding sleeve (7) on the inner wall of the swash plate (9), clamping by a second clamping device (22), adjusting the angles of the sliding sleeve (7) and the swash plate (9), aligning a shaft pin hole in the sleeve with a shaft pin hole in the swash plate (9), and hinging the swash plate (9) and the sliding sleeve (7) by a shaft pin;

secondly, the swing disc (8) is connected with the sliding sleeve (7) through a spherical bearing, the piston (14) is connected with the swing disc (8) through a piston rod (13), and the first fixed block (10) is hinged with the second fixed block (11) through a connecting rod (12);

thirdly, the main shaft (5) is arranged in the middle of the cylinder body (4), and the piston (14) is arranged in a compression cavity on the inner wall of the cylinder body (4);

and fourthly, closing the front cover (2) and the rear cover (3) and installing the clutch (6).

5. The method for assembling the compressor of the V-5 type external control type variable volume automobile air conditioner according to claim 4, wherein: a first clamping device (20) in the assembling device comprises a sliding groove (23), a sliding block (24), a clamping block (25), a sliding way (26), a shifting rod (27), a fixing plate (28), a rotating disc (29), a shifting groove (30), a first worm gear ring (31), a mounting block (32), a first worm (33) and a servo motor (34), wherein the sliding groove (23) is formed in the inner wall of the placing groove (18) at equal intervals, the sliding block (24) is connected to the inner wall of the sliding groove (23) in a sliding mode, the clamping block (25) is fixed to one end of the sliding block (24) penetrating through the sliding groove (23), the sliding way (26) is formed in the lower end of the inner wall of the sliding groove (23), the shifting rod (27) is fixed to one end, close to the sliding way (26), of the sliding block (24), the shifting rod (27) is connected with the sliding way (26) in a sliding mode, and fixed plate (28) middle part is cavity setting, fixed plate (28) upper surface rotates through the bearing and is connected with carousel (29), dial groove (30) have been seted up in the fastening on carousel (29) surface, and driving lever (27) and dial groove (30) inner wall sliding connection, the carousel (29) outside is fixed with first worm wheel ring (31), fixed plate (28) upper surface one end symmetry is fixed with installation piece (32), two installation piece (32) middle part rotates through the bearing and is connected with first worm (33), and first worm (33) and first worm wheel ring (31) meshing connection, one installation piece (32) one side is fixed with servo motor (34), and the output and the first worm (33) fixed connection of servo motor (34).

6. The method for assembling the compressor of the V-5 type external control type variable volume automobile air conditioner according to claim 5, wherein: the second clamping device (22) in the assembling device comprises a clamping box (35), a supporting plate (36), a rotating groove (37), an L-shaped rod (38), a U-shaped rod (39), a shifting column (40), an electric push rod (41), a U-shaped plate (42), an arc-shaped clamping rod (43), a second worm gear ring (44) and a second worm (45), wherein the clamping box (35) is fixed on the upper surface of the mounting table (21), the supporting plate (36) is fixed at the upper end of the inner wall of the clamping box (35), the rotating groove (37) is symmetrically formed in the outer side of the supporting plate (36), the L-shaped rod (38) is rotatably connected to the inner wall of the rotating groove (37) through a shaft pin, the U-shaped rods (39) are fixed at one end of the L-shaped rod (38), the two U-shaped rods (39) are arranged in a staggered manner, the shifting columns (40) are slidably connected to the inner walls of the two U-shaped rods (39), the, the output end of the electric push rod (41) is fixedly provided with a U-shaped plate (42), the shifting column (40) is fixedly connected with the U-shaped plate (42), one end, far away from the U-shaped rod (39), of the L-shaped rod (38) is fixedly provided with an arc-shaped clamping rod (43), the lower end of the outer side of the clamping box (35) is fixedly provided with a second worm gear ring (44), one end, close to the second worm gear ring (44), of the inner wall of the fixing box (15) is rotatably connected with a second worm (45) through a bearing, and the second worm gear ring (44) is meshed with the second worm (45).

7. The V-5 type external control variable volume automobile air conditioner compressor and the assembling method thereof according to claim 6, characterized in that: one end of the second worm (45) penetrates through the fixed box (15) and is fixed with a hand wheel (46).

8. The V-5 type external control type variable volume automobile air conditioner compressor and the assembling method thereof according to claim 4, characterized in that: the bottom of the fixed box (15) is symmetrically fixed with support legs (47).

9. The V-5 type external control variable volume automobile air conditioner compressor and the assembling method thereof according to claim 5, characterized in that: the servo motor (34) is a speed reducing motor.

10. The V-5 type external control variable volume automobile air conditioner compressor and the assembling method thereof according to claim 5, characterized in that: one end of the sliding groove (23) close to the clamping block (25) is provided with a hidden groove (48), and the clamping block (25) is in sliding connection with the hidden groove (48).

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