CN211975310U - Anti-friction structure of swash plate and piston of swash plate type air conditioner compressor - Google Patents
Anti-friction structure of swash plate and piston of swash plate type air conditioner compressor Download PDFInfo
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- CN211975310U CN211975310U CN201922337487.3U CN201922337487U CN211975310U CN 211975310 U CN211975310 U CN 211975310U CN 201922337487 U CN201922337487 U CN 201922337487U CN 211975310 U CN211975310 U CN 211975310U
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- ball socket
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- 239000011248 coating agent Substances 0.000 claims abstract description 19
- 238000000576 coating method Methods 0.000 claims abstract description 19
- 238000013016 damping Methods 0.000 claims description 17
- 238000005096 rolling process Methods 0.000 claims description 11
- QXYJCZRRLLQGCR-UHFFFAOYSA-N dioxomolybdenum Chemical compound O=[Mo]=O QXYJCZRRLLQGCR-UHFFFAOYSA-N 0.000 claims description 8
- -1 polytetrafluoroethylene Polymers 0.000 claims description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 8
- 238000004378 air conditioning Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model discloses an antifriction structure of swash plate and piston of swash plate air condition compressor, including swash plate and piston, roll ball, ball seat, evenly set up a plurality of piston on the swash plate mainboard, the piston main part of piston is the cylinder structure, open at the piston main part middle part has the fluting with swash plate mainboard complex, the fluting both ends all are equipped with the piston post, the piston post is seted up ball socket I towards the face of swash plate, install the roll ball in ball socket I, the piston passes through the ball seat with the swash plate mainboard and is connected, ball socket II is seted up to one side of the ball seat, the roll ball rolls in ball socket I and ball socket II; the friction reducing coating is uniformly coated on the connecting surface of the swash plate main plate and the ball seat, and the ball seat slides on the swash plate main plate; the stress direction of the piston is consistent with the central axis of the piston, so that the friction force between the outer side surface of the piston and the cylinder hole is kept symmetrical and uniform, the phenomenon that part of the piston is abraded in a single side is avoided, the service life of the whole automobile air conditioner compressor is effectively prolonged, and the economic loss is reduced.
Description
Technical Field
The utility model belongs to the automobile-used air condition compressor field of making specifically indicates a friction reducing structure of swash plate and piston of swash plate air condition compressor.
Background
The air-conditioning compressor of the automobile is the heart of an automobile air-conditioning refrigeration system and plays a role in compressing and conveying refrigerant steam, the air-conditioning compressor is divided into a reciprocating compressor and a rotary compressor according to different internal working modes, the common reciprocating compressor comprises a crankshaft connecting rod type compressor and an axial piston type compressor, and the common rotary compressor comprises a rotary blade type compressor and a scroll type compressor. Most of the existing automobile air-conditioning compressors adopt axial piston compressors, namely swash plate rotary pistons for compression. The piston structure adopting the swash plate type air conditioner compressor is generally in a cylinder shape, an opening is arranged in the middle of the piston structure to serve as a swash plate socket, ball sockets are arranged on two sides of the swash plate socket, the side face of the swash plate is connected with the ball sockets of the pistons through two hemispherical steel balls, the operating principle of the air conditioner compressor with the structure is that power is transmitted to the swash plate through a driving shaft, the swash plate transmits the power to the pistons through the hemispheres, the rotary motion of an engine is converted into the reciprocating motion of the pistons, the swash plate rotates at a high speed during operation, gas can be compressed and sucked in the rotating process, and the air conditioner compressor with the structure has the advantages of good wear resistance, small friction coefficient and.
At present, along with the continuous improvement of the performance of the automobile air conditioner by users, the performance of the automobile air conditioner compressor is continuously required to be improved by automobile manufacturers, which leads to the improvement of the cost. If the automobile air-conditioning compressor needs to be improved on the premise of not greatly increasing the cost, the improvement of the rotating speed of a swash plate of the automobile air-conditioning compressor is the first choice for improving the performance, and the working principle of the automobile air-conditioning compressor shows that a piston in the swash plate type automobile air-conditioning compressor belongs to a part directly participating in acting and plays a very important role, the working frequency of the piston is required to be higher for improving the performance of the automobile air-conditioning compressor, and the piston is required to have better performance. However, the main problems of the existing piston structure design are as follows: hemispherical steel ball is little with the area of contact of ball socket, and the lubricity is poor, and frictional force is big, and the atress direction and the piston axis of piston are inconsistent, and when reciprocating motion, the easy card dies, makes piston lateral surface abnormal wear serious on the one hand, shortens its life greatly, and on the other hand makes the piston atress asymmetric, thereby leads to partial structure to leading to whole compressor to lose efficacy because of unilateral wearing and tearing, causes huge economic loss.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a friction reducing structure of a swash plate and a piston of a swash plate type air conditioner compressor.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an antifriction structure of swash plate and piston of swash plate air condition compressor which characterized in that: the swash plate comprises a swash plate body, pistons, rolling balls and ball seats, wherein the middle part of the swash plate body is in a sleeve shape, the outer side of the swash plate body is provided with a swash plate main plate which forms a certain inclination angle with the axis of the swash plate body, a plurality of pistons are uniformly arranged on the swash plate main plate, the piston body of each piston is in a cylinder structure, the middle part of each piston body is provided with a slot matched with the swash plate main plate, two ends of each slot are provided with piston columns, the surfaces of the piston columns facing the swash plate are provided with ball sockets I, the rolling balls are arranged in the ball sockets I, the pistons are connected with the swash plate main plate through the ball seats, one surfaces of the; the swash plate main plate and the ball seat are uniformly coated with a friction reduction coating, and the ball seat slides on the swash plate main plate.
Furthermore, the swash plate device further comprises a main shaft and a swash plate fixing piece, wherein the swash plate main body is sleeved outside the main shaft, the swash plate fixing piece is fixed at the joint of the main shaft and the swash plate main body, and the swash plate fixing piece is used for fixing the connection of the main shaft and the swash plate.
Furthermore, the ball socket I, the ball socket II, the rolling ball and the connecting surface of the ball socket and the swash plate main plate are uniformly sprayed with polytetrafluoroethylene and Teflon coating in sequence.
Furthermore, the friction-reducing coating comprises an aluminum oxide coating and a molybdenum dioxide coating which are uniformly sprayed on the surface of the swash plate main plate in sequence.
Furthermore, a piston column radiating groove is formed in the ball socket I, a first groove is formed in the ball socket II, and a second groove is formed in the connecting surface of the ball seat and the swash plate main plate.
Furthermore, the edge of the swash plate main plate is provided with a damping ring installation groove, a damping ring is installed in the damping ring installation groove, and the damping ring is made of a polytetrafluoroethylene composite material.
Furthermore, the piston main part chooses for use elastic material to make, and when the ball seat moved on the sloping cam plate mainboard, the axis of ball socket I was in same straight line with the axis of ball socket II all the time, the axiality between the axis of ball socket I and the axis of ball socket II and the axis of piston post is 0 ~ 0.02 mm.
Furthermore, oil grooves are formed in two ends of the piston main body.
Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: the utility model discloses an improve sloping cam plate and piston, at first carry out the antifriction design to the sloping cam plate outward appearance, position, size design have been carried out to its ball socket, and with the axiality between the axis of two ball sockets and the axis of piston body accurate to 0 ~ 0.02mm, when guaranteeing that the sloping cam plate passes power to the piston through the hemisphere, the atress direction of piston is unanimous with the axis of piston, make the frictional force of piston lateral surface and jar hole keep symmetry even, avoid appearing the phenomenon that the part is unilateral wearing and tearing and take place, thereby effectively improve the life of whole vehicle air conditioner compressor, reduce economic loss; in addition, the utility model provides a piston of automobile air conditioner compressor, during reciprocating motion, can be more smooth and easy, avoid appearing the card phenomenon effectively, difficult wearing and tearing, life is prolonged, when implementing, the piston is under the drive of sloping cam plate, reciprocating motion, because the surface of roll ball cooperatees with the internal surface of ball seat, increased the area of contact of the surface of roll ball and the internal surface of ball seat, simultaneously, because the surface of roll ball and the internal surface of ball seat are good, in order to reduce or eliminate the negative pressure effect, set up first recess on the ball seat, this mode can exhaust between the surface of roll ball and the internal surface of ball seat, prevent that the roll ball adsorbs in the ball seat, therefore, when the crawler hemisphere rotates relative to piston ball seat, can be more smooth and easy, stable, simultaneously also reduced the wearing and tearing between crawler hemisphere and the piston ball seat, the service life of the piston is prolonged; and the outer side surface of the piston body is uniformly provided with the damping rings sprayed with polytetrafluoroethylene layers, so that the friction force of the outer side surface of the piston is greatly reduced, the wear resistance is improved, and the service life is prolonged.
Drawings
Fig. 1 is a schematic structural view of the usage state of the present invention;
FIG. 2 is a partially enlarged schematic view of the structure A of FIG. 1;
FIG. 3 is a schematic view of the internal installation of a swash plate and a piston of a swash plate type air conditioner compressor in the prior art;
the damping device comprises a main shaft, a swash plate, a friction reducing coating, a piston, a rolling ball, a ball seat, a 7 swash plate fixing piece, 8, a damping ring, 201, a damping ring mounting groove, 202, a swash plate main plate, 203, a swash plate main body, 301, an aluminum oxide coating, 302, a molybdenum dioxide coating, 401, a piston main body, 402, a piston column, 403, a piston column radiating groove, 404, a ball socket I, 405, an oil groove, 601, a first groove, 602, a second groove, 603, a ball socket II, 604 and a ball seat main body.
Detailed Description
The present invention will be further clarified by the following description with reference to the attached drawings and specific examples, which should be understood as being merely illustrative of the present invention and not limiting the scope of the present invention, and modifications of various equivalent forms of the present invention by those skilled in the art after reading the present invention, all fall within the scope defined by the appended claims of the present application.
As shown in fig. 1, the anti-friction structure of the swash plate and the piston of the swash plate type air-conditioning compressor comprises a swash plate 2, pistons 4, rolling balls 5 and a ball seat 6, wherein the middle part of the swash plate 2 is a sleeve-shaped swash plate main body 203, the outer side of the swash plate main body is a swash plate main plate 202 which forms a certain inclination angle with the axis of the swash plate main body 203, a plurality of pistons 4 are uniformly arranged on the swash plate main plate 202, the piston main body 401 of each piston 4 is of a cylinder structure, the middle part of the piston main body 401 is provided with a slot matched with the swash plate main plate 202, two ends of the slot are respectively provided with a piston column 402, the surface of each piston column 402 facing the swash plate 4 is provided with a ball socket i 404, the rolling balls 5 are arranged in the ball sockets i 404, the pistons 4; the friction-reducing coating 3 is uniformly coated on the connecting surface of the swash plate main plate 202 and the ball seat 6, and the ball seat 6 slides on the swash plate main plate 202; the ball socket I404, the ball socket II 603, the rolling ball 5, the ball seat 6 and the connecting surface of the swash plate main plate 202 are uniformly sprayed with polytetrafluoroethylene and Teflon coating in sequence; the friction-reducing coating 3 comprises an alumina coating 301 and a molybdenum dioxide coating 302 which are uniformly sprayed on the surface of the swash plate main plate 202 in sequence.
As shown in fig. 1, the swash plate type air conditioner further comprises a main shaft 1 and a swash plate fixing piece 7, wherein a swash plate main body 203 is sleeved outside the main shaft 1, the swash plate fixing piece 7 is fixed at the joint of the main shaft 1 and the swash plate main body 203, and the swash plate fixing piece 7 is used for fixing the connection of the main shaft 1 and the swash plate 2.
In addition, as shown in fig. 2, a piston column heat dissipation groove 403 is formed in the ball socket i 404, a first groove 601 is formed in the ball socket ii 603, and a second groove 602 is formed in a connection surface of the ball seat 6 and the swash plate main plate 202.
As shown in FIG. 1, as a preferred embodiment, the edge of the swash plate main plate 202 is provided with a damping ring mounting groove 201, a damping ring 8 is mounted in the damping ring mounting groove 201, and the damping ring 8 is made of a polytetrafluoroethylene composite material.
In addition, oil grooves 405 are formed in the two ends of the piston main body 401, so that the surface area is increased, and heat reduction is facilitated.
Fig. 3 is the internally mounted schematic diagram of swash plate and piston of the swash plate type air conditioner compressor in the prior art, in the mounting means of this kind of structure, the area of contact of hemispherical steel ball and ball socket is little, the lubricity is poor, frictional force is big, the atress direction and the piston axis of piston are inconsistent, when reciprocating motion, the easy card dies, it is serious to make the unusual wearing and tearing of piston lateral surface on the one hand, shorten its life greatly, on the other hand makes the piston atress asymmetric, thereby lead to partial structure to lead to whole compressor to become invalid because of unilateral wearing and tearing, cause huge economic loss.
The utility model discloses the place that improves lies in: firstly, the anti-friction design is carried out on the outer surface of the swash plate, the positions and the sizes of ball sockets of the swash plate are designed, the coaxiality between the central axes of the two ball sockets and the central axis of the piston body is accurate to 0-0.02 mm, and the stress direction of the piston is consistent with the central axis of the piston when the swash plate transmits power to the piston through a hemisphere, so that the friction force between the outer side surface of the piston and a cylinder hole is kept symmetrical and uniform, the phenomenon that part of the piston is abraded in a single side is avoided, the service life of the whole automobile air conditioner compressor is effectively prolonged, and the economic loss is reduced; in addition, the utility model provides a piston of automobile air conditioner compressor, during reciprocating motion, can be more smooth and easy, avoid appearing the card phenomenon effectively, difficult wearing and tearing, life is prolonged, when implementing, the piston is under the drive of sloping cam plate, reciprocating motion, because the surface of roll ball cooperatees with the internal surface of ball seat, increased the area of contact of the surface of roll ball and the internal surface of ball seat, simultaneously, because the surface of roll ball and the internal surface of ball seat are good, in order to reduce or eliminate the negative pressure effect, set up first recess on the ball seat, this mode can exhaust between the surface of roll ball and the internal surface of ball seat, prevent that the roll ball adsorbs in the ball seat, therefore, when the crawler hemisphere rotates relative to piston ball seat, can be more smooth and easy, stable, simultaneously also reduced the wearing and tearing between crawler hemisphere and the piston ball seat, the service life of the piston is prolonged; and the outer side surface of the piston body is uniformly provided with the damping rings sprayed with polytetrafluoroethylene layers, so that the friction force of the outer side surface of the piston is greatly reduced, the wear resistance is improved, and the service life is prolonged.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides an antifriction structure of swash plate and piston of swash plate air condition compressor which characterized in that: comprises a swash plate (2), a piston (4), a rolling ball (5) and a ball seat (6),
the middle part of the swash plate (2) is a sleeve-shaped swash plate main body (203), the outer side of the swash plate (2) is a swash plate main plate (202) which forms a certain inclination angle with the axis of the swash plate main body (203), a plurality of pistons (4) are uniformly arranged on the swash plate main plate (202),
the piston main body (401) of the piston (4) is of a cylinder structure, the middle part of the piston main body (401) is provided with a slot matched with the main plate (202) of the swash plate, both ends of the slot are provided with piston columns (402), the surface of each piston column (402) facing the swash plate (2) is provided with a ball socket I (404),
a rolling ball (5) is arranged in the ball socket I (404), the piston (4) is connected with the swash plate main board (202) through a ball socket (6), one side of the ball socket (6) is provided with a ball socket II (603), and the rolling ball (5) rolls in the ball socket I (404) and the ball socket II (603); the swash plate main plate (202) and the connection surface of the ball seat (6) are uniformly coated with a friction reduction coating (3), and the ball seat (6) slides on the swash plate main plate (202).
2. The friction reducing structure according to claim 1, characterized in that: still include main shaft (1) and sloping cam plate mounting (7), the main part of sloping cam plate (203) cover is established outside main shaft (1), the junction at main shaft (1) and sloping cam plate main part (203) is fixed in sloping cam plate mounting (7), and the connection of main shaft (1) and sloping cam plate (2) is fixed in sloping cam plate mounting (7).
3. The friction reducing structure according to claim 1, characterized in that: and the ball socket I (404), the ball socket II (603), the rolling ball (5), the ball seat (6) and the connecting surface of the swash plate main plate (202) are uniformly sprayed with polytetrafluoroethylene and Teflon coating in sequence.
4. The friction reducing structure according to claim 1, characterized in that: the friction-reducing coating (3) comprises an aluminum oxide coating (301) and a molybdenum dioxide coating (302) which are uniformly sprayed on the surface of the swash plate main plate (202) in sequence.
5. The friction reducing structure according to claim 1, characterized in that: a piston column heat dissipation groove (403) is formed in the ball socket I (404), a first groove (601) is formed in the ball socket II (603), and a second groove (602) is formed in the connecting surface of the ball seat (6) and the swash plate main plate (202).
6. The friction reducing structure according to claim 1, characterized in that: the edge of sloping cam plate mainboard (202) is opened there is damping ring mounting groove (201), install damping ring (8) in damping ring mounting groove (201), damping ring (8) adopt polytetrafluoroethylene combined material to make.
7. The friction reducing structure according to claim 1, characterized in that: the piston main body (401) is made of elastic materials, when the ball seat (6) moves on the swash plate main plate (202), the central axis of the ball socket I (404) and the central axis of the ball socket II (603) are always in the same straight line, and the coaxiality between the central axis of the ball socket I (404) and the central axis of the ball socket II (603) and the central axis of the piston column (402) is 0-0.02 mm.
8. The friction reducing structure according to claim 1, characterized in that: oil grooves (405) are formed in the two ends of the piston main body (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922337487.3U CN211975310U (en) | 2019-12-23 | 2019-12-23 | Anti-friction structure of swash plate and piston of swash plate type air conditioner compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922337487.3U CN211975310U (en) | 2019-12-23 | 2019-12-23 | Anti-friction structure of swash plate and piston of swash plate type air conditioner compressor |
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| Publication Number | Publication Date |
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| CN211975310U true CN211975310U (en) | 2020-11-20 |
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| CN201922337487.3U Active CN211975310U (en) | 2019-12-23 | 2019-12-23 | Anti-friction structure of swash plate and piston of swash plate type air conditioner compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901482A (en) * | 2021-04-01 | 2021-06-04 | 河北双达石油设备制造有限公司 | Modular reciprocating movement gleitbretter and axial gleitbretter pump thereof |
| CN114061522A (en) * | 2021-11-04 | 2022-02-18 | 江苏康普瑞森新能源科技有限公司 | Compressor piston assembly structure and clearance detection tool and detection method thereof |
-
2019
- 2019-12-23 CN CN201922337487.3U patent/CN211975310U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901482A (en) * | 2021-04-01 | 2021-06-04 | 河北双达石油设备制造有限公司 | Modular reciprocating movement gleitbretter and axial gleitbretter pump thereof |
| CN114061522A (en) * | 2021-11-04 | 2022-02-18 | 江苏康普瑞森新能源科技有限公司 | Compressor piston assembly structure and clearance detection tool and detection method thereof |
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Effective date of registration: 20240509 Address after: 430000, Unit 8, 1st and 2nd floors, Building 55, Tong'an Jiayuan Phase 4, Houhu Township, Jiang'an District, Wuhan City, Hubei Province Patentee after: Wuhan Ouruijia Comfortable Home Technology Co.,Ltd. Country or region after: China Address before: 210000 2, B unit 300, Zhihui Road, Kirin science and Technology Innovation Park, Jiangning District, Nanjing, Jiangsu. Patentee before: NANJING TAOTESI SOFTWARE TECHNOLOGY Co.,Ltd. Country or region before: China |