CN2934646Y - Bi-directional rotation inclined disc type refrigerating compressor - Google Patents
Bi-directional rotation inclined disc type refrigerating compressor Download PDFInfo
- Publication number
- CN2934646Y CN2934646Y CN 200620105305 CN200620105305U CN2934646Y CN 2934646 Y CN2934646 Y CN 2934646Y CN 200620105305 CN200620105305 CN 200620105305 CN 200620105305 U CN200620105305 U CN 200620105305U CN 2934646 Y CN2934646 Y CN 2934646Y
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- valve plate
- cylinder body
- rotor housing
- bank rotor
- type refrigeration
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Abstract
A two-way rotating cam plate type cooling compressor; a front cover, a front cylinder body, a rear cylinder body and a rear cover are made of the high silicon aluminum alloy material; the surface of a piston has a layer of polytetrafluoro ethylene plastic. After adopting the above structure, a steel cover is unnecessary to be inlaid into the front cylinder body and the rear cylinder body, thus not only simplifying the structures of the front cylinder body and the rear cylinder body, but also the front cylinder body and the rear cylinder body which are made of the high silicon aluminum alloy material and the piston whose surface has a layer of polytetrafluoro ethylene plastic form a kinematic pair which is with low friction coefficient, thereby making the abrasion between the front cylinder body and the rear cylinder body and the piston substantially reduced, and to some extent improving the efficiency of the compressor.
Description
Technical field
The utility model relates to a kind of two-way rotating inclined plate type refrigeration compressor.
Background technique
The bidirectional swash cam type compressor is widely used in automobile industry, and its each cylinder is that center circumferential distributes the spindle parallel of piston motion direction and compressor with the compressor main shaft.Swash plate and main shaft are fixed together, and the edge of swash plate is contained in the groove at piston middle part, and piston and swash plate edge support by hemisphere.By the belt pulley transmission, rotate by magnetic clutch drive main shaft and swash plate.When main axis rotation, swash plate is also along with rotation, and swash plate promotes piston by hemisphere and makes axially reciprocating.Swash plate rotates a week, and former and later two pistons are respectively finished compression, expansion, exhaust, an air-breathing circulation.Wherein, finish by the suction between cylinder and the cylinder cap, exhaust valve plate and uniform valve plate air-breathing, exhaust port in air-breathing, the exhaust process.
But, there are some shortcomings in existing two-way rotating inclined plate type refrigeration compressor: forward and backward cylinder cap and cylinder body adopt the cast iron manufacturing, be lined with steel bushing in the cast iron housing, form the cylinder hole, produce more serious wearing and tearing when metallic piston moves back and forth and between the steel bushing in the cylinder hole, influence the efficient of compressor greatly.In addition, swash plate is made with steel, and the lubricating status of swash surfaces is bad during the compressor initial operation, damages easily; Sealing configuration between valve plate and suction, exhaust valve plate is bad, causes gas leakage easily; The suction of valve plate, exhaust port simple in structure inhaled, exhaust valve plate is easy to generate fatigue fracture.
Summary of the invention
For overcoming above-mentioned defective, the utility model provides a kind of improved two-way rotating inclined plate type refrigeration compressor.
Two-way rotating inclined plate type refrigeration compressor of the present utility model, comprise: a magnetic clutch assembly, a body that constitutes by a protecgulum, a front-bank rotor housing, a rear-bank rotor housing and a bonnet, be contained in the main shaft in the body, be installed in the swash plate on the main shaft, be installed in a plurality of hemisphere on the swash plate, be installed in the piston on a plurality of hemisphere, inhale suction before the valve plate and before, exhaust valve plate assembly and a back valve plate and a back, the exhaust valve plate assembly, it is characterized in that, protecgulum, front-bank rotor housing, rear-bank rotor housing and bonnet are that high sial closes, and piston face has one deck polytetrafluoroethylplastic plastic.
After adopting said structure, no longer need in front-bank rotor housing and rear-bank rotor housing, inlay steel bushing, this has not only simplified the structure of front-bank rotor housing and rear-bank rotor housing, and there is the piston of one deck polytetrafluoroethylplastic plastic to constitute the low coefficient of friction kinematic pair with the front-bank rotor housing of silumin made and rear-bank rotor housing and surface, front-bank rotor housing and rear-bank rotor housing and wearing for piston are reduced greatly, improved the efficient of compressor to a certain extent.
In addition, wherein, swash surfaces has layer of metal tin.
Wherein, suction on the valve plate body of preceding valve plate and back valve plate, relief opening periphery are provided with annular groove.
Description of drawings
Fig. 1 is the vertical profile schematic representation of two-way rotating inclined plate type refrigeration compressor of the present utility model;
Fig. 2 looks schematic representation for the master of the valve plate in the bi-directional swash plate type refrigeration compressor of the present utility model shown in Figure 1;
Fig. 3 is the schematic rear view of valve plate shown in Figure 2;
Fig. 4 is the A-A cutaway view Amplified image of valve plate shown in Figure 2.
Embodiment
Below in conjunction with the drawings and specific embodiments two-way rotating inclined plate type refrigeration compressor of the present utility model is further described.
As shown in Figure 1, two-way rotating inclined plate type refrigeration compressor of the present utility model has front-bank rotor housing 2, valve plate 33 and preceding suction, exhaust valve plate assembly 3 before being equipped with between front-bank rotor housing 2 and the protecgulum 1, the other end of front-bank rotor housing 2 is equipped with rear-bank rotor housing 4, and back valve plate 53 and back suction, exhaust valve plate assembly 5 are housed between rear-bank rotor housing 4 and the bonnet 6.Protecgulum 1, front-bank rotor housing 2, rear-bank rotor housing 4 and bonnet 6 are fixed together by many stay bolts.The bearing 7,8 that is arranged in front-bank rotor housing 2 and rear-bank rotor housing 4 is supporting main shaft 9.Swash plate 10 and thrust-bearing 12,13 are installed on the main shaft 9.Hemisphere 14 is installed on the swash plate 10.Hemisphere 14 is movably connected with piston 15.
The working procedure of variable displacement automobile air-conditioning compressor is as follows:
Under the driving of motor car engine belt drive system (not shown), the belt pulley 22 that is installed in rotation on the protecgulum 1 by bearing 21 rotates, give the electromagnet assembly that is fixedly mounted on the protecgulum 1 30 energisings, produce electromagnetic attraction between the friction disk 44 of electromagnet assembly 30 and Suction cup assembly 40, friction disk 44 overcomes the elastic force of a plurality of latch plates 43, move right, adhesive is pressed on the rubbing surface of belt pulley 22 left ends, under the effect of frictional force, Suction cup assembly 40 and main shaft 9 rotate with belt pulley 22, the swash plate 10 that is installed on the main shaft 9 tilts to rotate, and promotes pistons 15 to-and-fro motion by hemisphere 14.When main shaft 9 rotated a circle, the preceding valve plate 33 and the back valve plate between preceding suction, exhaust valve plate assembly 3 and rear-bank rotor housing 4 and the bonnet 6 53 that are arranged between front-bank rotor housing 2 and the protecgulum 1 were finished once air-breathing and exhaust work separately with back suction, exhaust valve plate assembly 5.Give the electromagnet assembly that is fixedly mounted on the protecgulum 1 30 outages, the electromagnetic attraction that produces between the friction disk 44 of electromagnet assembly 30 and Suction cup assembly 40 disappears, friction disk 44 is under the elastic force effect of a plurality of latch plates 43, be moved to the left, disengage with the rubbing surface of belt pulley 22 left ends, Suction cup assembly 40 and main shaft 9 no longer rotate with belt pulley 22, and compressor stops the compression to gas.
Two-way rotating inclined plate type refrigeration compressor of the present utility model is made following improvement to existing two-way rotating inclined plate type refrigeration compressor:
At piston 15 surface spraying one deck polytetrafluoroethylplastic plastics.Polytetrafluoroethylplastic plastic has good wear resistance and self-lubricating property, has improved the physical life of piston 15 greatly.
At swash plate 10 surface spraying layer of metal tin.Metallic tin has certain greasy property, thereby the lubricating status under the situation that the lubricant film of swash surfaces is not completed into as yet when making the compressor initial operation obtains significant improvement, has improved the physical life of swash plate 10 greatly.
In addition, extremely shown in Figure 4 as Fig. 2, the preceding valve plate 33 of bi-directional swash plate type refrigeration compressor of the present utility model and back valve plate 53 all comprise the valve plate body 51 of uniform air-breathing, exhaust port, inhale on valve plate body 51, the relief opening periphery is provided with the annular groove 52 that precision stamping goes out.The annular groove 52 of relief opening periphery is arranged on a corresponding side with exhaust valve plate; The annular groove 52 of intakeport periphery is arranged on a corresponding side with suction valve chip.The cross section of annular groove 52 can be rectangular, trapezoidal, del etc.Be trapezoidal shown in the figure, its oblique angle is 15 °.Annular groove 52 makes a distinction sealing surface and valve plate plane, make the sealing effect the best between suction, exhaust valve plate and the valve plate, thereby can prolong the working life and the reliability of suction, exhaust valve plate, guarantee the use sealability of valve plate and suction, exhaust valve plate, improved the service behaviour and the reliability of compressor.
Claims (5)
1, a kind of two-way rotating inclined plate type refrigeration compressor, comprise: a magnetic clutch assembly, a body that constitutes by a protecgulum, a front-bank rotor housing, a rear-bank rotor housing and a bonnet, be contained in the main shaft in the body, be installed in the swash plate on the main shaft, be installed in a plurality of hemisphere on the swash plate, be installed in the piston on a plurality of hemisphere, inhale suction before the valve plate and before, exhaust valve plate assembly and a back valve plate and a back, the exhaust valve plate assembly, it is characterized in that, protecgulum, front-bank rotor housing, rear-bank rotor housing and bonnet are silumin, and piston face has one deck polytetrafluoroethylplastic plastic.
2, bi-directional swash plate type refrigeration compressor as claimed in claim 1 is characterized in that, swash surfaces has layer of metal tin.
3, bi-directional swash plate type refrigeration compressor as claimed in claim 1 or 2 is characterized in that, suction on the valve plate body of preceding valve plate and back valve plate, relief opening periphery are provided with annular groove.
4, bi-directional swash plate type refrigeration compressor as claimed in claim 3 is characterized in that, the cross section of annular groove is for trapezoidal.
5, bi-directional swash plate type refrigeration compressor as claimed in claim 4 is characterized in that, the oblique angle of the connected in star of falling the keystone ring is 15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620105305 CN2934646Y (en) | 2006-07-03 | 2006-07-03 | Bi-directional rotation inclined disc type refrigerating compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620105305 CN2934646Y (en) | 2006-07-03 | 2006-07-03 | Bi-directional rotation inclined disc type refrigerating compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2934646Y true CN2934646Y (en) | 2007-08-15 |
Family
ID=38351336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620105305 Expired - Fee Related CN2934646Y (en) | 2006-07-03 | 2006-07-03 | Bi-directional rotation inclined disc type refrigerating compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2934646Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100439704C (en) * | 2006-07-03 | 2008-12-03 | 浙江大元汽车空调有限公司 | Two-way rotating inclined plate type refrigeration compressor |
| CN104169582A (en) * | 2012-04-17 | 2014-11-26 | 卡森尼可关精株式会社 | Gas compressor |
| CN107208621A (en) * | 2015-01-26 | 2017-09-26 | 麦格纳动力系巴德霍姆堡有限责任公司 | The operating method of compressor housing and compressor with pressure limit |
-
2006
- 2006-07-03 CN CN 200620105305 patent/CN2934646Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100439704C (en) * | 2006-07-03 | 2008-12-03 | 浙江大元汽车空调有限公司 | Two-way rotating inclined plate type refrigeration compressor |
| CN104169582A (en) * | 2012-04-17 | 2014-11-26 | 卡森尼可关精株式会社 | Gas compressor |
| CN107208621A (en) * | 2015-01-26 | 2017-09-26 | 麦格纳动力系巴德霍姆堡有限责任公司 | The operating method of compressor housing and compressor with pressure limit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070815 |