CN212337575U

CN212337575U - Electrically controlled variable displacement swash plate type compressor

Info

Publication number: CN212337575U
Application number: CN202020873387.2U
Authority: CN
Inventors: 游袁; 潘晓明
Original assignee: Huangshan Shuanghuadong Forest Compressor Co ltd
Current assignee: Huangshan Shuanghuadong Forest Compressor Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-01-12
Anticipated expiration: 2030-05-21

Abstract

The utility model relates to the technical field of compressors, in particular to an electrically controlled variable displacement swash plate type compressor, which comprises a compressor body and a box body, wherein a positioning column is fixedly arranged on the inner side wall of the box body, a first sliding hole is formed in one end of the positioning column, a first sliding rod is arranged in the first sliding hole in a sliding manner, a first fixed block is fixedly arranged at one end of the first sliding rod, which is far away from the positioning column, and a first spring is arranged between the first fixed block and the positioning column; the locating blocks are fixedly arranged between the other two opposite inner side walls of the box body and the compressor body, second sliding holes are formed in the locating blocks, second sliding rods are arranged in the second sliding holes in a sliding mode, a second fixing block is fixedly arranged at one end, far away from the inner side walls of the box body, of each second sliding rod, and a second spring is arranged between each second fixing block and the corresponding locating block. The utility model discloses have the effect that reduces the noise that the compressor produced at the moving in-process.

Description

Electrically controlled variable displacement swash plate type compressor

Technical Field

The utility model belongs to the technical field of the technique of compressor and specifically relates to an automatically controlled variable displacement swash plate compressor is related to.

Background

The compressor is a driven fluid machine for raising low-pressure gas into high-pressure gas, and is the heart of a refrigeration system. The refrigeration cycle comprises a gas suction pipe, a motor, a piston, an exhaust pipe, a compression pipe, a condensation pipe, an expansion pipe, an evaporation pipe, a heat exchange pipe and a heat exchange pipe.

Chinese patent No. CN107110137B discloses a variable displacement swash plate compressor, which can also be called as an electrically controlled variable displacement swash plate compressor, comprising: a cylinder block; a drive shaft having a first refrigerant inflow path disposed rotatably with respect to the cylinder block and formed on a central axis of the drive shaft, and a second refrigerant inflow path connected to one end of the first refrigerant inflow path and perforated with respect to the central axis of the drive shaft; a swash plate installed at a circumference of the driving shaft and connected to the pistons; a housing in which a suction chamber, a discharge chamber, and a crank chamber are formed; a capacity control valve configured to adjust an inclination angle of the swash plate to adjust a discharge capacity; a flow path formed such that the suction chamber and the crank chamber communicate with each other through the flow path; a supply control valve configured to control supply of the refrigerant through the flow path in response to a pressure of the crank chamber; and a valve arrangement path, one end portion of which intersects with and is connected to one end portion of the flow path, and the other end portion of which is formed to receive a pressure of the suction chamber through a pressure inflow path connected to the suction chamber, the supply control valve being arranged in the valve arrangement path.

The above prior art solutions have the following drawbacks: the rotating speed of the driving shaft is high, so that the compressor is easy to vibrate in the operation process, and generates large noise.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatically controlled variable displacement swash plate compressor has the effect that reduces the noise that the compressor produced at the moving in-process not enough to prior art exists.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an electrically-controlled variable displacement swash plate type compressor comprises a compressor body and a box body for protecting the compressor body, wherein two opposite inner side walls of the box body are fixedly provided with positioning columns, one ends of the positioning columns, far away from the side walls of the box body, are provided with first sliding holes, first sliding rods are arranged in the first sliding holes in a sliding mode, one ends of the first sliding rods, far away from the positioning columns, are fixedly provided with first fixing blocks, and first springs are arranged between the first fixing blocks and the positioning columns; the locating blocks are fixedly arranged between the other two opposite inner side walls of the box body and the compressor body, second sliding holes are formed in the locating blocks, second sliding rods are arranged in the second sliding holes in a sliding mode, the second sliding rods are far away from one end cabinet of the inner side walls of the box body, second fixed blocks are fixedly arranged on the second sliding rods, and second springs are arranged between the second fixed blocks and the locating blocks.

By adopting the technical scheme, the first spring drives the first fixed blocks to slide towards the direction close to the compressor body, and the two first fixed blocks have a fixing effect on the two ends of the compressor body; the second springs drive the second fixed blocks to slide towards the direction close to the compressor body, and the two second fixed blocks have a fixing effect on two sides of the compressor body; the vibration amplitude of the compressor body in the working process is reduced, so that the noise generated by the compressor body is reduced, and meanwhile, the closed box body also has a good sound insulation effect.

The present invention may be further configured in a preferred embodiment as: soundproof cotton is arranged between the compressor body and the bottom of the box body.

Through adopting above-mentioned technical scheme, soundproof cotton has the multifilament structure, and sound wave energy conversion is heat energy through countless fibrous reflection, mutual stack, collision when passing through soundproof cotton, and sound intensity weakens gradually, and until sound disappears.

The present invention may be further configured in a preferred embodiment as: one end of the compressor body is provided with a driving shaft, one side, far away from the first sliding rod, of one of the first fixing blocks is provided with a positioning hole, and one end, far away from the compressor body, of the driving shaft is in splicing fit with the positioning hole.

Through adopting above-mentioned technical scheme, the locating hole has the location effect to the location axle, has further reduced the motion range of compressor body in the course of the work.

The present invention may be further configured in a preferred embodiment as: the one end that the reference column is close to the box body inside wall is fixed and is provided with first installation piece, and first installation piece is fixed in through first bolt the inside wall of box body.

Through adopting above-mentioned technical scheme, be fixed in the inside wall of box body with first installation piece through first bolt to be fixed in the inside wall of box body with the reference column, increased the convenience of staff's operation.

The present invention may be further configured in a preferred embodiment as: the positioning block is fixedly provided with two supporting blocks at one side close to the inner wall of the box body, the side walls of the supporting blocks are fixedly provided with second mounting blocks, and the second mounting blocks are mounted on the inner wall of the box body through second bolts.

Through adopting above-mentioned technical scheme, fix the second installation piece through the second bolt to fix the supporting shoe, and then fix the locating piece, increased the convenience of staff's operation.

The present invention may be further configured in a preferred embodiment as: the second mounting block is provided with a sliding groove along the length direction, and the second bolt penetrates through the sliding groove and is in threaded connection with the inner side wall of the box body.

Through adopting above-mentioned technical scheme, can adjust the height of second installation piece according to actual conditions to the height of adjusting the locating piece, and then the height of adjusting the second fixed block.

The present invention may be further configured in a preferred embodiment as: and one end of the second sliding rod, which is far away from the second fixed block, is fixedly provided with an anti-falling block.

Through adopting above-mentioned technical scheme, the setting of anticreep piece has avoided the second pole that slides to break away from completely with the locating piece under the elastic force effect of second spring.

The present invention may be further configured in a preferred embodiment as: the bottom of the box body is fixedly provided with a rubber foot pad.

Through adopting above-mentioned technical scheme, the noise that produces because of the box body vibration has further been reduced in the setting of rubber foot pad.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the first springs drive the first fixed blocks to slide towards the direction close to the compressor body, and the two first fixed blocks have a fixing effect on two ends of the compressor body; the second springs drive the second fixed blocks to slide towards the direction close to the compressor body, and the two second fixed blocks have a fixing effect on two sides of the compressor body; the vibration amplitude generated by the compressor body in the working process is reduced, so that the noise generated by the compressor body is reduced, and meanwhile, the closed box body also has a good sound insulation effect;

2. the sound insulation cotton has a multi-fiber structure, sound waves are reflected, overlapped and collided by countless fibers when passing through the sound insulation cotton, the sound wave energy is converted into heat energy, and the intensity of the sound waves is gradually weakened until the sound disappears;

3. the positioning hole has a positioning function on the positioning shaft, and the movement amplitude of the compressor body in the working process is further reduced.

Drawings

Fig. 1 is a schematic structural diagram of an electrically controlled variable displacement swash plate compressor according to an embodiment of the present invention;

FIG. 2 is a schematic view of the assembled relationship of the compressor body and the cassette;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.

In the figure, 1, a compressor body; 101. a drive shaft; 2. a box body; 201. a box; 202. a cover; 3. sound insulation cotton; 4. a rubber foot pad; 5. a positioning column; 501. a first sliding hole; 6. a first mounting block; 7. a first slide bar; 8. a first fixed block; 801. positioning holes; 9. a first spring; 10. a first bolt; 11. positioning blocks; 111. a second sliding hole; 12. a support block; 13. a second mounting block; 131. a sliding groove; 14. a second bolt; 15. a second slide bar; 16. a second fixed block; 17. an anti-drop block; 18. a second spring; 19. and a third bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses an automatically controlled variable displacement swash plate compressor, including compressor body 1 and the box body 2 that is used for protecting compressor body 1, box body 2 is except that necessary vent line to be sealed the setting. The closed box body 2 enables the noise generated by the compressor body 1 to be reflected for multiple times in the box body so as to be weakened, and therefore the noise generated by the compressor body 1 is reduced and transmitted out of the box body 2. Specifically, the box body 2 includes a box 201 and a cover 202, and the cover 202 is fixed to the top of the box 201 by a third bolt 19. With this arrangement, the worker can repair the compressor body 1 by releasing the fixing action of the third bolt 19 on the cover 202. The fixed rubber foot pad 4 that is provided with in bottom of box body 2 has further reduced the noise that produces because of the vibration of box body 2.

Be provided with soundproof cotton 3 between compressor body 1 and the 2 bottoms of box body, soundproof cotton 3's one side and the laminating of 2 bottoms of box body, 3 another sides of soundproof cotton and the laminating of compressor body 1. So set up, soundproof cotton 3 is multifilament structure, can play the cushioning effect to the vibration of compressor body 1 during operation to reduce the vibration noise between compressor body 1 and box body 2. Meanwhile, when sound waves generated by the compressor body 1 in the operation process pass through the soundproof cotton 3, the sound waves are reflected, overlapped and collided for numerous times by multiple fibers, the sound wave energy is converted into heat energy, and the intensity of the sound waves is gradually weakened.

Referring to fig. 2 and 3, two opposite inner side walls of the box body 2 are respectively and fixedly provided with a positioning column 5, and the axial direction of the positioning column 5 is the same as the length direction of the box body 2. Specifically, the one end that reference column 5 is close to 2 inside walls of box body is fixed and is provided with first installation piece 6, and first installation piece 6 is fixed in the inside wall of box body 2 through first bolt 10. So set up, the staff is fixed in the inside wall of box body 2 through first bolt 10 with first installation piece 6 to be fixed in the inside wall of box body 2 with reference column 5, increased the convenience of staff's operation.

The one end of reference column 5 keeping away from box body 2 lateral wall has seted up first sliding hole 501, and the axis direction of first sliding hole 501 is the same with the axis direction of reference column 5. First slide rod 7 is provided with in the first hole 501 that slides, and the fixed first fixed block 8 that is provided with of one end that reference column 5 was kept away from to first slide rod 7, is provided with first spring 9 between first fixed block 8 and the reference column 5, and first slide rod 7 passes first spring 9, and first spring 9 is close to the one end of first fixed block 8 and the lateral wall fixed connection of first fixed block 8. One end of the compressor body 1 is provided with a driving shaft 101, one side of one of the first fixing blocks 8, which is far away from the first sliding rod 7, is provided with a positioning hole 801, and one end of the driving shaft 101, which is far away from the compressor body 1, is in inserted fit with the positioning hole 801. So set up, first spring 9 drive first fixed block 8 slides towards the direction that is close to compressor body 1, and two first fixed blocks 8 have the fixed action to compressor body 1's both ends, have reduced the vibration range of compressor body 1 at the moving in-process.

Referring to fig. 2 and 4, positioning blocks 11 are fixedly arranged between the other two opposite inner side walls of the box body 2 and the compressor body 1. Specifically, two supporting blocks 12 are welded on one side of the positioning block 11 close to the inner wall of the box body 2, the two supporting blocks 12 are parallel to each other, a second mounting block 13 is welded on the side wall of each supporting block 12, and the second mounting block 13 is mounted on the inner wall of the box body 2 through a second bolt 14. Specifically, the second mounting block 13 is provided with a sliding groove along the length direction thereof, and the second bolt 14 passes through the sliding groove 131 and is in threaded connection with the inner side wall of the box body 2. So set up, can adjust the height of second installation piece 13 according to actual conditions to the height of adjusting locating piece 11.

A second sliding hole 111 is formed in the positioning block 11, a second sliding rod 15 is arranged in the second sliding hole 111 in a sliding mode, a second fixing block 16 is fixedly arranged at one end, far away from the inner side wall of the box body 2, of the second sliding rod 15, a second spring 18 is arranged between the second fixing block 16 and the positioning block 11, and the second sliding rod 15 penetrates through the second spring 18. An anti-falling block 17 is fixedly arranged at one end of the second sliding rod 15 far away from the second fixed block 16, one end of a second spring 18 abuts against the side wall of the positioning block 11, and the other end of the second spring 18 abuts against the side wall of the second fixed block 16. With such an arrangement, the second springs 18 drive the second fixing blocks 16 to slide towards the direction close to the compressor body 1, and the two second fixing blocks 16 have a fixing effect on two sides of the compressor body 1; the vibration amplitude of the compressor body 1 generated during the operation is reduced, thereby reducing the noise generated from the compressor body 1.

The implementation principle of the embodiment is as follows: sound insulation cotton 3 is arranged between the compressor body 1 and the bottom of the box body 2, sound waves generated by the compressor body 1 in the operation process are reflected, mutually superposed and collided by a plurality of times of multi-fiber when passing through the sound insulation cotton 3, the sound wave energy is converted into heat energy, and the sound wave intensity is gradually weakened until the sound disappears; the box body 2 is arranged in a closed manner, and the closed box body 2 also has a good sound insulation effect; the fixed rubber foot pad 4 that is provided with in bottom of box body 2 has further reduced the noise that produces because of the vibration of box body 2. The first spring 9 drives the first fixing blocks 8 to slide towards the direction close to the compressor body 1, and the two first fixing blocks 8 have fixing effects on the two ends of the compressor body 1, so that the vibration amplitude of the compressor body 1 in the operation process is reduced. The second spring 18 drives the second fixing blocks 16 to slide towards the direction close to the compressor body 1, and the two second fixing blocks 16 have a fixing effect on two sides of the compressor body 1, so that the vibration amplitude of the compressor body 1 in the working process is further reduced, and the noise generated by the compressor body 1 is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An automatically controlled variable displacement swash plate compressor which characterized in that: the compressor comprises a compressor body (1) and a box body (2) used for protecting the compressor body (1), wherein two opposite inner side walls of the box body (2) are fixedly provided with positioning columns (5), one ends, far away from the side walls of the box body (2), of the positioning columns (5) are provided with first sliding holes (501), first sliding rods (7) are arranged in the first sliding holes (501) in a sliding mode, one ends, far away from the positioning columns (5), of the first sliding rods (7) are fixedly provided with first fixing blocks (8), and first springs (9) are arranged between the first fixing blocks (8) and the positioning columns (5); all fixedly provided with locating piece (11) between two other relative inside walls of box body (2) and compressor body (1), second hole (111) that slides has been seted up on locating piece (11), second hole (111) that slides is provided with second slide bar (15) in the sliding, second slide bar (15) are kept away from the fixed second fixed block (16) that is provided with of one end cabinet of box body (2) inside wall, second fixed block (16) with be provided with second spring (18) between locating piece (11).

2. An electrically controlled variable displacement swash plate compressor according to claim 1, characterized in that: soundproof cotton (3) is arranged between the compressor body (1) and the bottom of the box body (2).

3. An electrically controlled variable displacement swash plate compressor according to claim 1, characterized in that: one end of the compressor body (1) is provided with a driving shaft (101), one side, far away from the first sliding rod (7), of one first fixing block (8) is provided with a positioning hole (801), and one end, far away from the compressor body (1), of the driving shaft (101) is in plug-in fit with the positioning hole (801).

4. An electrically controlled variable displacement swash plate compressor according to claim 1, characterized in that: one end of the positioning column (5) close to the inner side wall of the box body (2) is fixedly provided with a first mounting block (6), and the first mounting block (6) is fixed on the inner side wall of the box body (2) through a first bolt (10).

5. An electrically controlled variable displacement swash plate compressor according to claim 1, characterized in that: the box body is characterized in that two supporting blocks (12) are fixedly arranged on one side, close to the inner wall of the box body (2), of the positioning block (11), second mounting blocks (13) are fixedly arranged on the side walls of the supporting blocks (12), and the second mounting blocks (13) are mounted on the inner wall of the box body (2) through second bolts (14).

6. An electrically controlled variable displacement swash plate compressor according to claim 5, wherein: the second mounting block (13) is provided with a sliding groove (131) along the length direction of the second mounting block, and the second bolt penetrates through the sliding groove (131) and is in threaded connection with the inner side wall of the box body.

7. An electrically controlled variable displacement swash plate compressor according to claim 1, characterized in that: and one end of the second sliding rod (15), which is far away from the second fixed block (16), is fixedly provided with an anti-falling block (17).

8. An electrically controlled variable displacement swash plate compressor according to claim 1, characterized in that: the bottom of the box body (2) is fixedly provided with a rubber foot pad (4).