CN204200516U - The air conditioner for automobile compressor of improvement - Google Patents
The air conditioner for automobile compressor of improvement Download PDFInfo
- Publication number
- CN204200516U CN204200516U CN201420635560.XU CN201420635560U CN204200516U CN 204200516 U CN204200516 U CN 204200516U CN 201420635560 U CN201420635560 U CN 201420635560U CN 204200516 U CN204200516 U CN 204200516U
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- China
- Prior art keywords
- piston
- rotor housing
- bank rotor
- compressor
- air conditioner
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- Expired - Fee Related
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model discloses a kind of air conditioner for automobile compressor of improvement, includes the component such as protecgulum, front-bank rotor housing, rear-bank rotor housing, bonnet, main shaft, swash plate and piston; Centered by swash plate and main shaft, five aforementioned pistons are circumferentially evenly equipped with same, each piston is all positioned at front-bank rotor housing and rear-bank rotor housing and is assembled by the crawler shoe of swash plate both ends of the surface and hemisphere, and, the skirt section of each piston is all formed with inclined-plane and cambered surface by bevelling and rounding, inclined-plane is connected between the side of piston and cambered surface, and cambered surface is connected between inclined-plane and the end face of piston.Ensure the rationalization in piston and cylinder holes gap, the Fast Wearing of compressor piston and cylinder holes can be avoided, reduce the power consumption of compressor, avoid compressor stuck, thus improve the durability of compressor integrally cooling performance and use, be improved greatly by test and market checking using effect, the wearing and tearing of piston and cylinder holes obviously reduce, and its working life effectively extending compressor is more than 3-5.
Description
Technical field
The utility model relates to auto parts machinery art, refers in particular to a kind of air conditioner for automobile compressor of improvement.
Background technique
Because of the heart that the compressor in automotive air-conditioning system is whole air-conditioning system, and compressor piston is the vital part in compressor, its shape, size and quality good or not directly affect workmanship and the life-span of compressor, and the designing requirement of piston is lightweight, reduce inertia, vibrate little; Material A390 thermal conductivity is high, and the heat produced by top can distribute soon, will reduce clearance volume in shape, improves volumetric efficiency; Intensity is high; Thermal expansion is little, castability and processability good; Cost is low.
But the piston of automobile air conditioner compressor, in the effect by gas force, produces after the skirt section of piston is heated and expands, piston circularity herein becomes large, and cylindricity also becomes large simultaneously, and piston now just produces larger frictional force in both sides, increase the power consumption of compressor, compressor time violent, can be made stuck.
Summary of the invention
In view of this, the utility model is for the disappearance of prior art existence, its main purpose is to provide a kind of air conditioner for automobile compressor of improvement, the problem of its normal work under effectively solving the very poor operating mode of existing compressor start starting stage lubricating condition, and reduce piston and cylinder body direct friction.
For achieving the above object, the utility model adopts following technological scheme:
An air conditioner for automobile compressor for improvement, includes the component such as protecgulum, front-bank rotor housing, rear-bank rotor housing, bonnet, main shaft, swash plate and piston; This protecgulum, front-bank rotor housing, rear-bank rotor housing and bonnet are connected and fixed from front to back successively, and this main shaft is through protecgulum, front-bank rotor housing and rear-bank rotor housing; This swash plate is installed on main axis on main shaft, and swash plate is positioned at front-bank rotor housing and rear-bank rotor housing; Centered by swash plate and main shaft, five aforementioned pistons are circumferentially evenly equipped with same, each piston is all positioned at front-bank rotor housing and rear-bank rotor housing and is assembled by the crawler shoe of swash plate both ends of the surface and hemisphere, and, the skirt section of each piston is all formed with inclined-plane and cambered surface by bevelling and rounding, inclined-plane is connected between the side of piston and cambered surface, and cambered surface is connected between inclined-plane and the end face of piston.
Preferably, the angle between described inclined-plane and the side of piston is 10 °.
Preferably, lateral edge to the distance of the end face edge of piston of described piston is 0.8 ~ 1.2mm.
Preferably, the radius of described cambered surface is 0.3mm.
Preferably, the surface roughness of described inclined-plane and cambered surface is 1.6 μm.
Preferably, front valve block assembly is installed between described protecgulum and front-bank rotor housing, rear valve block assembly is installed between bonnet and rear-bank rotor housing.
Preferably, described front valve block assembly includes front valve plate, front suction valve chip, front exhaust valve block and front limit device sheet, this front suction valve chip to be contained between front-bank rotor housing and front valve plate and to be close to the suction port of front valve plate, this front exhaust valve block is contained in the opposite side of front valve plate and is close to the exhaust port of front valve plate, and front limit device sheet is installed on the outside of front exhaust valve block.
Preferably, described rear valve block assembly includes rear valve plate, rear suction valve chip, final vacuum valve block and rear snubber sheet, this rear suction valve chip to be contained between rear-bank rotor housing and rear valve plate and to be close to the suction port of rear valve plate, this final vacuum valve block is contained in the opposite side of rear valve plate and is close to the exhaust port of rear valve plate, and rear snubber sheet is installed on the outside of final vacuum valve block.
Preferably, between described main shaft and protecgulum, shaft seal assembly is housed.
Preferably, all radial needle bearing is housed between described main shaft and front-bank rotor housing and between main shaft and rear-bank rotor housing.
The utility model compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution:
By being formed with inclined-plane and cambered surface in the bevelling, skirt section of each piston and rounding, piston circularity herein can be made to diminish, cylindricity also diminishes simultaneously, ensure the rationalization in piston and cylinder holes gap, the Fast Wearing of compressor piston and cylinder holes can be avoided, reduce the power consumption of compressor, avoid compressor stuck, thus improve the durability of compressor integrally cooling performance and use, be improved greatly by test and market checking using effect, the wearing and tearing of piston and cylinder holes obviously reduce, and its working life effectively extending compressor is more than 3-5.
For more clearly setting forth structure characteristic of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the rear view of the preferred embodiment of the utility model;
Fig. 2 is the sectional view of the preferred embodiment of the utility model;
Fig. 3 is the plan view of piston in the preferred embodiment of the utility model;
Fig. 4 is the rear view of piston in the preferred embodiment of the utility model;
Fig. 5 is the partial section of piston in the preferred embodiment of the utility model;
Fig. 6 is the enlarged diagram of A position in Fig. 5.
Accompanying drawing identifier declaration:
11, protecgulum 12, front-bank rotor housing
13, rear-bank rotor housing 14, bonnet
15, main shaft 16, swash plate
17, hemisphere 20, piston
21, inclined-plane 22, cambered surface
23, end face 24, side
30, front valve block assembly 31, front valve plate
32, front suction valve chip 33, front exhaust valve block
34, front limit device sheet 40, rear valve block assembly
41, rear valve plate 42, rear suction valve chip
43, final vacuum valve block 44, rear snubber sheet
51, shaft seal assembly 52, radial needle bearing
53, thrust-bearing 54, Thurst washer assembly
Embodiment
Please refer to shown in Fig. 1 to Fig. 6, that show the concrete structure of the preferred embodiment of the utility model, include the component such as protecgulum 11, front-bank rotor housing 12, rear-bank rotor housing 13, bonnet 14, main shaft 15, swash plate 16 and piston 20.
This protecgulum 11, front-bank rotor housing 12, rear-bank rotor housing 13 and bonnet 14 are connected and fixed from front to back successively, and this main shaft 15 is through protecgulum 11, front-bank rotor housing 12 and rear-bank rotor housing 13; This swash plate 16 is installed on main shaft 15 and rotates with main shaft 15, and swash plate 16 is positioned at front-bank rotor housing 12 and rear-bank rotor housing 13.
Centered by swash plate and main shaft, five aforementioned pistons 20 are circumferentially evenly equipped with same, each piston 20 is all positioned at front-bank rotor housing 12 and rear-bank rotor housing 13 and is assembled by the crawler shoe (not shown) of swash plate 16 both ends of the surface and hemisphere 17, and, the skirt section of each piston 20 is all formed with inclined-plane 21 and cambered surface 22 by bevelling and rounding, inclined-plane 21 is connected between the side 24 of piston 20 and cambered surface 22, cambered surface 22 is connected between the end face 23 of inclined-plane 21 and piston 20, specifically, as shown in Figure 6, angle α between this inclined-plane 21 and side 24 of piston 20 is 10 °, the distance at edge, side 24 to end face 23 edge of piston 20 of this piston 20 is 0.8 ~ 1.2mm, the radius R of this cambered surface 22 is 0.3mm, the surface roughness of this inclined-plane 21 and cambered surface 22 is 1.6 μm.
Between this protecgulum 11 and front-bank rotor housing 12, front valve block assembly 30 is installed, rear valve block assembly 40 is installed between bonnet 14 and rear-bank rotor housing 13.Specifically, this front valve block assembly 30 includes front valve plate 31, front suction valve chip 32, front exhaust valve block 33 and front limit device sheet 34, this front suction valve chip 32 to be contained between front-bank rotor housing 12 and front valve plate 31 and to be close to the suction port (not shown) of front valve plate 31, this front exhaust valve block 33 is contained in the opposite side of front valve plate 31 and is close to the exhaust port (not shown) of front valve plate 31, front limit device sheet 34 is installed on the outside of front exhaust valve block 33, fractures to prevent the aperture of front exhaust valve block 33 excessive.This rear valve block assembly 40 includes rear valve plate 41, rear suction valve chip 42, final vacuum valve block 43 and rear snubber sheet 44, this rear suction valve chip 42 to be contained between rear-bank rotor housing 13 and rear valve plate 41 and to be close to the suction port (not shown) of rear valve plate 41, this final vacuum valve block 43 is contained in the opposite side of rear valve plate 41 and is close to the exhaust port (not shown) of rear valve plate 41, rear snubber sheet 44 is installed on the outside of final vacuum valve block 43, fractures to prevent final vacuum valve block 43 aperture excessive.
And, between this main shaft 15 and protecgulum 11, shaft seal assembly 51 is housed, to prevent the leakage of refrigeration agent and refrigeration oil; Between this main shaft 15 and front-bank rotor housing 12 and between main shaft 15 and rear-bank rotor housing 13, radial needle bearing 52 is all housed, to make main shaft 15 radial force better; The axle of these swash plate 16 both ends of the surface is provided with thrust-bearing 53 and Thurst washer assembly 54, to reduce the axial load of swash plate 16 because of stressed generation.
The stroke (S) of piston 20 and the ratio of diameter (D), be generally (S/D)=0.4-0.8, piston 20 is subject to gas force reciprocal inertia force in the course of the work, the effect of side pressure and friction, meanwhile to be subject to the heating of refrigeration agent, lubricating condition is poor, require that piston should have enough intensity, rigidity, wear resistance and good thermal conductivity and less thermal expansion coefficient as far as possible while reducing own wt for this reason, to maintain rational gap, destination between cylinder body, make to form less clearance volume between piston 20, valve block, cylinder body.Piston 20 has compression refrigerant gas (inhale, be vented) and realizes sealing by piston 20 coating, reduces the effect of the loss of lubricant oil.
Compression process: piston 20 moves upward from lower dead center, rear suction valve chip 42 and front exhaust valve block 33 are in closed condition, gas is compressed in airtight cylinder body, because cylinder body volume reduces gradually, then pressure, temperature raise gradually until in cylinder body gas pressure equal with exhaust pressure.Compression process is generally counted as isentropic process.
Exhaust process: piston 20 continues to move up, cause the gas pressure in cylinder body to be greater than exhaust pressure, then front exhaust valve block 33 is opened, and the gas in cylinder body goes out cylinder body in the inferior pressure of the promotion of piston 20 and enters exhaust duct, until piston 20 moves to top dead center.Now due to the effect of front exhaust valve block 33 pressure and the gravity of valve block own, front exhaust valve block 33 is closed exhaust and is terminated.
So far, compressor completes a work cycle be made up of air-breathing, compression and exhaust three processes.
The crankshaft rotating of piston compressor one week, piston 20 makes a round trip, and in succession realizes the process of air inlet, compression, exhaust in cylinder body, namely completes a work cycle.Piston 20 is in the effect by gas force, produce after the skirt section of piston 20 is heated and expand, the swell increment that piston 20 cylindrical place just produces is maximum, the change of piston 20 skirt section end surface shape, piston 20 circularity herein can be made to diminish, and cylindricity also diminishes simultaneously, piston 20 is avoided now to produce larger frictional force in both sides, reduce the power consumption of compressor, avoid compressor stuck, thus improve the durability of compressor integrally cooling performance and use.
Design focal point of the present utility model is: by being formed with inclined-plane and cambered surface in the bevelling, skirt section of each piston and rounding, piston circularity herein can be made to diminish, cylindricity also diminishes simultaneously, ensure the rationalization in piston and cylinder holes gap, the Fast Wearing of compressor piston and cylinder holes can be avoided, reduce the power consumption of compressor, avoid compressor stuck, thus improve the durability of compressor integrally cooling performance and use, be improved greatly by test and market checking using effect, the wearing and tearing of piston and cylinder holes obviously reduce, its working life effectively extending compressor is more than 3-5.
Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection domain by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, and these modes all will fall within protection domain of the present utility model.
Claims (10)
1. an air conditioner for automobile compressor for improvement, is characterized in that: include protecgulum, front-bank rotor housing, rear-bank rotor housing, bonnet, main shaft, swash plate and piston; This protecgulum, front-bank rotor housing, rear-bank rotor housing and bonnet are connected and fixed from front to back successively, and this main shaft is through protecgulum, front-bank rotor housing and rear-bank rotor housing; This swash plate is installed on main axis on main shaft, and swash plate is positioned at front-bank rotor housing and rear-bank rotor housing; Centered by swash plate and main shaft, five aforementioned pistons are circumferentially evenly equipped with same, each piston is all positioned at front-bank rotor housing and rear-bank rotor housing and is assembled by the crawler shoe of swash plate both ends of the surface and hemisphere, and, the skirt section of each piston is all formed with inclined-plane and cambered surface by bevelling and rounding, inclined-plane is connected between the side of piston and cambered surface, and cambered surface is connected between inclined-plane and the end face of piston.
2. the air conditioner for automobile compressor of improvement as claimed in claim 1, is characterized in that: the angle between described inclined-plane and the side of piston is 10 °.
3. the air conditioner for automobile compressor of improvement as claimed in claim 1, is characterized in that: the lateral edge of described piston is 0.8 ~ 1.2mm to the distance of the end face edge of piston.
4. the air conditioner for automobile compressor of improvement as claimed in claim 1, is characterized in that: the radius of described cambered surface is 0.3mm.
5. the air conditioner for automobile compressor of improvement as claimed in claim 1, is characterized in that: the surface roughness of described inclined-plane and cambered surface is 1.6 μm.
6. the air conditioner for automobile compressor of improvement as claimed in claim 1, is characterized in that: be provided with front valve block assembly between described protecgulum and front-bank rotor housing, is provided with rear valve block assembly between bonnet and rear-bank rotor housing.
7. the air conditioner for automobile compressor of improvement as claimed in claim 6, it is characterized in that: described front valve block assembly includes front valve plate, front suction valve chip, front exhaust valve block and front limit device sheet, this front suction valve chip to be contained between front-bank rotor housing and front valve plate and to be close to the suction port of front valve plate, this front exhaust valve block is contained in the opposite side of front valve plate and is close to the exhaust port of front valve plate, and front limit device sheet is installed on the outside of front exhaust valve block.
8. the air conditioner for automobile compressor of improvement as claimed in claim 6, it is characterized in that: described rear valve block assembly includes rear valve plate, rear suction valve chip, final vacuum valve block and rear snubber sheet, this rear suction valve chip to be contained between rear-bank rotor housing and rear valve plate and to be close to the suction port of rear valve plate, this final vacuum valve block is contained in the opposite side of rear valve plate and is close to the exhaust port of rear valve plate, and rear snubber sheet is installed on the outside of final vacuum valve block.
9. the air conditioner for automobile compressor of improvement as claimed in claim 1, is characterized in that: shaft seal assembly is housed between described main shaft and protecgulum.
10. the air conditioner for automobile compressor of improvement as claimed in claim 1, is characterized in that: all radial needle bearing is housed between described main shaft and front-bank rotor housing and between main shaft and rear-bank rotor housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635560.XU CN204200516U (en) | 2014-10-30 | 2014-10-30 | The air conditioner for automobile compressor of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635560.XU CN204200516U (en) | 2014-10-30 | 2014-10-30 | The air conditioner for automobile compressor of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204200516U true CN204200516U (en) | 2015-03-11 |
Family
ID=52658480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420635560.XU Expired - Fee Related CN204200516U (en) | 2014-10-30 | 2014-10-30 | The air conditioner for automobile compressor of improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204200516U (en) |
-
2014
- 2014-10-30 CN CN201420635560.XU patent/CN204200516U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20211030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |