CN102278305A - Scroll type automobile air-conditioner compressor - Google Patents
Scroll type automobile air-conditioner compressor Download PDFInfo
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- CN102278305A CN102278305A CN2010102010851A CN201010201085A CN102278305A CN 102278305 A CN102278305 A CN 102278305A CN 2010102010851 A CN2010102010851 A CN 2010102010851A CN 201010201085 A CN201010201085 A CN 201010201085A CN 102278305 A CN102278305 A CN 102278305A
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- crank pin
- automobile air
- conditioner compressor
- type automobile
- disc
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Abstract
The invention discloses a scroll type automobile air-conditioner compressor. A crank pin (1) is fixedly connected with a main shaft (2), and a dynamic disc (3) is arranged on the crank pin (1) through an eccentric sleeve (4) and a bearing (5). The scroll type automobile air-conditioner compressor is characterized in that: the crank pin comprises two parallel tangential planes along the longitudinal direction, and the included angle between the central line (A1) of the two parallel tangential planes and the center distance connecting line (A2) of the main shaft and the crank pin is 0 to 90 degrees. The radial sealing force between the dynamic disc and a static disc is ensured when the scroll type automobile air-conditioner compressor runs at a low speed, so that the service frequency range of the scroll type automobile air-conditioner compressor is enlarged; meanwhile, vibration and noise during yielding and resetting after yielding are reduced, and stability of radial engagement between the dynamic disc and the static disc is improved; the machining transfer precision of main parts such as the crank pin, the dynamic disc, the static disc and the like of the scroll type automobile air-conditioner compressor is reduced; and the service lives of the parts such as the dynamic disc, the static disc, a dynamic disc needle roller bearing and the like are prolonged.
Description
Technical field
The present invention relates to have the vortex type automobile air conditioner compressor of eccentric bushing controlling mechanism.
Background technique
At present, vortex type automobile air conditioner compressor is with its novel structure, precision, has that volume is little, noise is low, in light weight, characteristics such as vibration is little, energy consumption is low, the life-span is long, gas transmission is steady continuously, reliable, source of the gas cleaning extensively adopt by automotive industry.
Vortex type automobile air conditioner compressor is to be coiled to be meshing with each other by the dynamic and static whirlpool of two digamma function equation molded lines to form.In air-breathing, compression, exhaust work process, quiet dish is fixed on the frame, and Moving plate is driven by eccentric shaft and by the anti-rotation mechanism restriction, around quiet dish basic circle center, does the very plane rotation of minor radius.Gas sucks the periphery of quiet dish, and along with the eccentric shaft rotation, gas is progressively compressed in several crescent shape compression chambers that dynamic and static dish engagement is made up, and is discharged continuously by the axial bore of quiet disk center parts then.
At present, adopt eccentric bushing to regulate the dynamic and static disc radial engagement stability of vortex type automobile air conditioner compressor, go into shown in Figure 1, wherein crank pin 1 welds with main shaft 2, Moving plate 3 is installed on the crank pin 1 by eccentric bushing 4, needle bearing 5, and by be installed in Moving plate bearing 5 on the cylindrical crank pin 1 and eccentric bushing 4 realize Moving plate 3, quiet dish (not shown) radially meshing performance regulate and balance Moving plate 3 revolution centrifugal force.As shown in Figure 1, when the centrifugal inertia force of Moving plate 3 increased, it then was that dynamic and static dish is adjacent to that eccentric bushing 4 rotates the motion that is reflected on the vortex card; When contact points occurs because partial operation deviation or rebounding force that hydrops, solid particle etc. caused when increasing suddenly, eccentric bushing 4 is revolution again under the comprehensive function of various power, and the motion that is reflected in the vortex card then is that the Moving plate face produces and makes a concession.The deficiencies in the prior art part is:
1. the radial seal power between the dynamic and static dish of existing vortex type automobile air conditioner compressor is to produce by centrifugal inertia force and the suffered gas force comprehensive function of Moving plate that Moving plate 3, Moving plate bearing 5 and eccentric bushing 4 produce fully.When vortex type automobile air conditioner compressor during,, thereby leak bigger because reducing of centrifugal inertia force often can not guarantee the radial seal power between dynamic and static dish at low cruise.
2. after crank pin 1, eccentric bushing 4 inner and outer surface and dynamic and static mill decreased, vibration aggravation, noise that the returning movement after the yielding campaign of Moving plate 3 and the yielding causes increased, and engagement can further worsen.
Determined the frequency of utilization narrow range of eccentric bushing controlling mechanism by above deficiency, vibration and noise are big, and global reliability is poor, has limited the performance of vortex type automobile air conditioner compressor advantage.
Summary of the invention
For solving the problems referred to above of prior art, the object of the invention is to provide a kind of vortex type automobile air conditioner compressor can guarantee vortex type automobile air conditioner compressor radial seal power between dynamic and static dish when low cruise, thereby enlarges the frequency range that vortex type automobile air conditioner compressor uses; Simultaneously, slow down vibration and noise when making a concession and making a concession the back return, improve the stability that radially meshes between dynamic and static dish; Reduce the processing commentaries on classics of main parts size such as the crank pin of vortex type automobile air conditioner compressor, dynamic and static dish and join precision: the working life that prolongs component such as dynamic and static dish, Moving plate needle bearing.
For realizing this purpose, the invention provides a kind of vortex type automobile air conditioner compressor, wherein, crank pin is fixedlyed connected with main shaft, and Moving plate is installed on the described crank pin by eccentric bushing, bearing; It is characterized in that described crank pin vertically comprises two parallel cut surfaces along it, the angle of the centre distance line of the center line of described two parallel cut surfaces and described main shaft and described crank pin is 0 °～90 °.
Preferably, described angle is 20 °.
Preferably, described eccentric bushing is flexible eccentric bushing.
Preferably, be provided with rubber ring near between the end of described main shaft, back-up ring be installed at the other end of described crank pin at described eccentric bushing and described crank pin.
Preferably, described eccentric bushing is provided with step-like groove near an end of described main shaft, and described rubber ring places described step-like groove.
Preferably, the inner surface configuration of described flexible eccentric bushing is identical with the shape of described crank pin.
Compare with the vehicular compressed machine of the vortex of prior art, vortex type automobile air conditioner compressor of the present invention has the following advantages:
1. crank pin tangent plane and eccentric main axis center are angle [alpha] and can tell a component in the running and be increased on the centrifugal force, thereby make Moving plate away from quiet disk center, guarantee the radial seal power of compressor when low cruise, enlarged the speed range that vortex type automobile air conditioner compressor uses.
2. when dynamic and static dish engagement place runs into big machining deviation or hydrops, solid particle, flexible eccentric bushing mechanism can realize that the buffering of Moving plate makes a concession, and has strengthened the reliability of engagement, prolongs the working life of crank pin, dynamic and static dish then.
3. flexible eccentric bushing mechanism can in time compensate because the matching loose that parts wear causes, reduced the machining accuracy of main parts size such as the crank pin of vortex type automobile air conditioner compressor and dynamic and static dish, thereby reduce the manufacture cost of complete machine, and it is simple in structure, easy for installation, be easy to realize practical application.
Brief description of drawings
Following with reference to accompanying drawing, the preferred embodiments of the present invention are made detailed description so that design of the present invention and characteristics clearly are described, wherein:
Fig. 1 is the schematic cross-section that has the partial structurtes of the vortex type automobile air conditioner compressor with eccentric bushing controlling mechanism now.
Fig. 2 is the schematic cross-section of the partial structurtes of vortex type automobile air conditioner compressor of the present invention.
Fig. 3 is the partial end view of crank pin part in the structure shown in Figure 2.
Embodiment
As Fig. 2, shown in 3, the present invention is a kind of vortex type automobile air conditioner compressor, and wherein, crank pin 1 is fixedlyed connected with main shaft 2, for example fixes by welding.Moving plate 3 is by eccentric bushing 4, bearing 5 and be installed on the crank pin 1, and its middle (center) bearing 5 can be a needle bearing.During installation, Moving plate 3 assembles with certain phase angle with quiet dish (not shown).
In the present invention, crank pin 1 vertically comprises two parallel cut surface S along it, and S ' is by the center of crank pin 1 and the center line A1 that is parallel cut surface with two parallel cut surface parallel lines.The line of the center O 1 of connection main shaft 2 and the center O 2 of crank pin 1 is centre distance line A2, between the center line A1 of parallel cut surface and the centre distance line A2 angle α is arranged, and this angle α is 0 °～90 °.Preferably, this angle is 20 °.
In addition, in invention, eccentric bushing 4 is flexible, and is provided with step-like groove 41, one rubber rings 6 at the end near main shaft 2 and places step-like groove, like this rubber ring 6 on the crank pin 1 between flexible eccentric bushing 4 and main shaft 2.The other end at crank pin 1 is equipped with back-up ring 7.
The inner surface configuration of flexible eccentric bushing 4 is identical with the shape of crank pin 1, promptly also has two parallel tangent planes.
When the work running, crank pin 1 is delivered to driving moment on the Moving plate 3 by flexible eccentric bushing 4 and needle bearing 5, in order to realize the compression of gas.Because the angle α between the parallel cut surface center line A1 of crank pin 1 and the centre distance line A2 of main shaft 2 center O 1 and crank pin 1 center O 2, crank pin can produce a component and is increased on the centrifugal force when making running, thereby make Moving plate 3 away from quiet disk center (consistent) with main shaft 2 center O 1, increased radial seal power, make compressor when low cruise, the radial seal power of dynamic and static dish engagement place is guaranteed.
In addition, when running into the engagement place bigger machining deviation or hydrops, solid particle are arranged, Moving plate 3 can be subjected to the rebounding force effect that increases suddenly together of above-mentioned factor.Moving plate 3 overcomes making a concerted effort of crank pin oblique angle component, centrifugal inertia force, radial gas power under the effect of this rebounding force, realize radially making a concession; Moving plate 3 is subjected to the buffer function of crank pin rubber ring 6 again during yielding, and vibration and noise are all less.The dough deformation of crank pin rubber ring 6 recovers in time to compensate the wearing and tearing of crank pin 1 in the running, eccentric bushing 4, needle bearing 5, dynamic and static dish.This mechanism has increased radial seal power, make Moving plate shaft axis around the shaft axis of quiet dish make the revolution translation the turning radius can in time change along with the change of engaging position and operating mode, reduced crank pin, the Moving plate needle bearing, the processing of dynamic and static dish and assembly precision, promptly reduced the processing cost of complete machine, improved the stability of the dynamic and static dish engagement of vortex and prolonged working life of dynamic and static dish.
Part that the present invention does not describe in detail such as clutch pack, preceding cap assemblies, cylinder body, eccentric main axis, dynamic disk component, quiet dish assembly, transmission unit grade all same as the prior art.
Claims (6)
1. vortex type automobile air conditioner compressor, wherein, crank pin (1) is fixedlyed connected with main shaft (2), and Moving plate (3) is by eccentric bushing (4), bearing (5) and be installed on the described crank pin (1); It is characterized in that described crank pin vertically comprises two parallel cut surfaces along it, the center line of described two parallel cut surfaces (A1) is 0 °～90 ° with the angle of the centre distance line (A2) of described main shaft and described crank pin.
2. vortex type automobile air conditioner compressor as claimed in claim 1 is characterized in that, described angle is 20 °.
3. vortex type automobile air conditioner compressor as claimed in claim 1 is characterized in that, described eccentric bushing (4) is flexible eccentric bushing.
4. vortex type automobile air conditioner compressor as claimed in claim 3, it is characterized in that, be provided with rubber ring (6) at described eccentric bushing (4) and described crank pin (1) near between the end of described main shaft (2), back-up ring (7) be installed at the other end of described crank pin (1).
5. vortex type automobile air conditioner compressor as claimed in claim 4 is characterized in that, described eccentric bushing (4) is provided with step-like groove (41) near an end of described main shaft, and described rubber ring (6) places described step-like groove (41).
6. vortex type automobile air conditioner compressor as claimed in claim 3 is characterized in that, the inner surface configuration of described flexible eccentric bushing (4) is identical with the shape of described crank pin (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102010851A CN102278305A (en) | 2010-06-12 | 2010-06-12 | Scroll type automobile air-conditioner compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102010851A CN102278305A (en) | 2010-06-12 | 2010-06-12 | Scroll type automobile air-conditioner compressor |
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| Publication Number | Publication Date |
|---|---|
| CN102278305A true CN102278305A (en) | 2011-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102010851A Pending CN102278305A (en) | 2010-06-12 | 2010-06-12 | Scroll type automobile air-conditioner compressor |
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| CN (1) | CN102278305A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330682A (en) * | 2011-10-20 | 2012-01-25 | 南京奥特佳冷机有限公司 | Vortex compressor with high-abrasion-resistant eccentric bushing structure |
| CN110319016A (en) * | 2019-07-04 | 2019-10-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Axial limiting component, screw compressor and air conditioner |
| CN111102192A (en) * | 2019-12-19 | 2020-05-05 | 湖南华强电气股份有限公司 | Scroll compressor and vehicle-mounted air conditioning system with flexible adjusting noise-proof structure |
| CN115306719A (en) * | 2022-08-17 | 2022-11-08 | 广东美的环境科技有限公司 | Shafting subassembly, compressor and air conditioning system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201396285Y (en) * | 2009-03-17 | 2010-02-03 | 上海日立电器有限公司 | Eccentric crankshaft structure for vortex compressor |
| CN201779013U (en) * | 2010-06-12 | 2011-03-30 | 苏州中成汽车空调压缩机有限公司 | Swirling vehicle air condition compressor |
-
2010
- 2010-06-12 CN CN2010102010851A patent/CN102278305A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201396285Y (en) * | 2009-03-17 | 2010-02-03 | 上海日立电器有限公司 | Eccentric crankshaft structure for vortex compressor |
| CN201779013U (en) * | 2010-06-12 | 2011-03-30 | 苏州中成汽车空调压缩机有限公司 | Swirling vehicle air condition compressor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330682A (en) * | 2011-10-20 | 2012-01-25 | 南京奥特佳冷机有限公司 | Vortex compressor with high-abrasion-resistant eccentric bushing structure |
| CN110319016A (en) * | 2019-07-04 | 2019-10-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Axial limiting component, screw compressor and air conditioner |
| CN110319016B (en) * | 2019-07-04 | 2021-08-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Axial limiting assembly, scroll compressor and air conditioner |
| CN111102192A (en) * | 2019-12-19 | 2020-05-05 | 湖南华强电气股份有限公司 | Scroll compressor and vehicle-mounted air conditioning system with flexible adjusting noise-proof structure |
| CN115306719A (en) * | 2022-08-17 | 2022-11-08 | 广东美的环境科技有限公司 | Shafting subassembly, compressor and air conditioning system |
| CN115306719B (en) * | 2022-08-17 | 2024-03-08 | 广东美的环境科技有限公司 | Shafting subassembly, compressor and air conditioning system |
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Application publication date: 20111214 |