CN201148973Y - Rear end air charging and discharging rotary vane compressor - Google Patents
Rear end air charging and discharging rotary vane compressor Download PDFInfo
- Publication number
- CN201148973Y CN201148973Y CNU2007201995934U CN200720199593U CN201148973Y CN 201148973 Y CN201148973 Y CN 201148973Y CN U2007201995934 U CNU2007201995934 U CN U2007201995934U CN 200720199593 U CN200720199593 U CN 200720199593U CN 201148973 Y CN201148973 Y CN 201148973Y
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- China
- Prior art keywords
- rear end
- rotary vane
- protecgulum
- vane type
- type compressor
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- Expired - Fee Related
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Abstract
The utility model discloses a back-end air inlet /exhaust rotary vane compressor, which comprises an outer shell, a cylinder body, a front cover, a front end cover, a back end cover, a main shaft, a rotor and an oil separator. An air suction port and an exhaust port are arranged at the back end of the outer shell, an air suction passage is arranged on the surface of the outer shell, and the air suction passage is connected with the air suction port and an air inlet on the front cover. The air suction port and the exhaust port of the back-end air inlet /exhaust rotary vane compressor are arranged side by side on the back end part of the compressor, thus meeting the requirement that the air inlet and the exhaust port are arranged in the same position on the back part of the compressor.
Description
Technical field
The utility model relates to the compressor in the automotive air-conditioning system, more particularly, relates to a kind of intakeport and relief opening all at the rotary vane type compressor of compressor rearward end.
Background technique
In being used for the rotary vane type compressor of automotive air-conditioning system, the rotor that a plurality of blades are housed is driven by main shaft and rotates in cylinder block, cylinder block is located in the compressor case and the surface of internal cavity of cylinder block is the sub-elliptical shape, rotation by blade, the space that is separated into by blade formed volume ascending, again to the compression chamber of little circulation change, the refrigerant gas that is drawn into the compression chamber from intakeport is compressed and emits from relief opening.
Fig. 1 is the longitudinal sectional view of this traditional rotary vane type compressor, and Fig. 2 is the sectional view along Fig. 1 center line A-A.Fig. 3 is the end view behind dismounting clutch and the protecgulum.
Traditional rotary vane type compressor profile is formed with the protecgulum 12 that is installed to this opening side by an open-ended shell 11.In shell 11, have inner chamber limit 143 and be arranged between front cover 13 and the rear end cover 15 for oval-shaped substantially cylinder block 14, the rotor 27 that a plurality of blades 26 are housed can be rotatably set in the cylinder block 14.
Compressor air suction mouth 121 is on protecgulum 12, and refrigerant gas enters from intakeport 121, and refrigeration agent is divided into two-way through Y shape die cavity 122, flows to two inlet holes 131 and 132 on the front cover 13, and double working-chamber 21 and 22 is air-breathing during for compressor operating.Low pressure refrigerant gas is at this inlet hole separated into two parts again, and a part directly is inhaled into air aspiration cavity 31 and 32, and two the low pressure vent 141 and 142 of another part on cylinder block 14 flows to two the air inlet grooves in rear end cover 15 places, is inhaled into air aspiration cavity again.Thereby realize the two-way breathing process of air aspiration cavity of compressor.
The above-mentioned compressor structure only is suitable for the air inlet of compressor fore-end, the requirement of rear end part exhaust structure.And require the porting of compressor can only be arranged in same position on the engine structure, promptly during rear end part, this structure can not meet the demands.
The model utility content
The utility model aims to provide the rear end intake and exhaust formula rotary vane type compressor that a kind of intakeport and relief opening all are in the compressor rear end.
According to the utility model, this kind rear end intake and exhaust formula rotary vane type compressor comprises shell, cylinder block, protecgulum, front cover, rear end cover, main shaft, rotor, oil separator, the rear end of wherein said shell has intakeport and relief opening, have air intake passage on the case surface, this air intake passage connects the suction port on described intakeport and the protecgulum.
Described air intake passage is circular channel, oval-shaped passageway or semi-circular channel.
The suction port place of described protecgulum opens seal groove, places rubber o-ring and seals.
Refrigerant gas enters gas-entered passageway from the intakeport of outer casing back, enter the suction port of protecgulum through described air intake passage, the Y shape die cavity that described protecgulum and front cover constitute is divided into two-way with refrigerant gas, flow to two inlet holes on the protecgulum respectively, refrigerant gas is at the further again separated into two parts of these two inlet holes, a part directly is inhaled into air aspiration cavity, and two the low pressure vents of another part on cylinder block flow to two the air inlet grooves in rear end cover place, are inhaled into air aspiration cavity again.
The intakeport and the relief opening of the utility model rear end intake and exhaust formula rotary vane type compressor are arranged in the compressor rear end part simultaneously, and can be placed side by side, realize that the compressor porting is arranged in the requirement of rear portion same position.The internal core parts of compressor comprise that parts such as main shaft, rotor, front cover, cylinder block, rear end cover, oil separation are identical with traditional double working-chamber rotary vane type compressor simultaneously, can improve interchangeability of parts, reduce product cost, enrich product structure.
Description of drawings
The above and other feature of the present utility model, character and advantage will become more obvious by the description below in conjunction with drawings and Examples, in the accompanying drawings, identical reference character is represented identical feature all the time, wherein:
Fig. 1 is the longitudinal sectional view of traditional rotary vane type compressor in the prior art.
Fig. 2 is the sectional view along Fig. 1 center line A-A.
Fig. 3 is the end view of removing among Fig. 1 behind clutch and the protecgulum.
Fig. 4 is the longitudinal sectional view of rear end intake and exhaust formula rotary vane type compressor of the present utility model.
Fig. 5 is along the sectional view of C-C among Fig. 4.
Fig. 6 is along the sectional view of shell B-B among Fig. 4.
Fig. 7 is second kind of air intake passage end view according to the utility model design.
Fig. 8 is the third air intake passage end view according to the utility model design.
Embodiment
Below in conjunction with accompanying drawing 4, Fig. 5, Fig. 6 embodiment of the present utility model is described in detail.Fig. 4 is the longitudinal sectional view of institute's model utility rotary vane type compressor, and Fig. 5 is along the sectional view of C-C among Fig. 4.Fig. 6 is along the sectional view of shell B-B among Fig. 4.
Rear end intake and exhaust formula rotary vane type compressor of the present utility model comprises shell, cylinder block, protecgulum, front cover, rear end cover, main shaft, rotor, oil separator, except that shell and protecgulum, other part is identical with traditional double working-chamber rotary vane type compressor, can improve interchangeability of parts, reduce product cost, enrich product structure.Difference is that the rear end of shell has intakeport and relief opening, has air intake passage on the case surface, and this air intake passage connects the suction port on described intakeport and the protecgulum.
The basic functional principle of rear end intake and exhaust formula rotary vane type compressor of the present utility model is identical with traditional rotary vane type compressor, motor drives compressor pulley 10 by belt and rotates, as shown in Figure 4, when clutch 16 is connected, belt pulley 10 arrives main shaft 18 with transmission of power, the rotor 27 that a plurality of blades 26 are equipped with in drive rotates in cylinder block 14, as shown in Figure 5.Blade 26 elliptical shape surface of internal cavity 143 along cylinder in rotor 271 slides up and down, rotation by blade, the space that is separated into by blade has formed the compression chamber 23 that volume changes repeatedly, and the refrigerant gas that is drawn in the compression chamber is compressed and emits from relief opening 144 and 145.
Refrigerant gas enters gas-entered passageway 413 from shell 41 rear end part intakepories 411, and gas enters the circular suction port 421 in the protecgulum 42 through the air intake passage on the shell cylindrical body outer surface, and in the embodiment shown in fig. 6, this air intake passage is a circular channel 414.For prevent that gas from leaking between housing and protecgulum end face, open seal groove at suction port 421 places of protecgulum, with rubber o-ring 44 sealings.Gas is divided into two-way through Y shape die cavity 422 in protecgulum, flow to two inlet holes 131 and 132 on the front cover 13, as shown in Figure 3, low pressure refrigerant gas is at this inlet hole separated into two parts again, a part directly is inhaled into air aspiration cavity 31 and 32, two the low pressure vent 141 and 142 of another part on cylinder block 14 flows to two the air inlet grooves in rear end cover 15 places, is inhaled into air aspiration cavity again.Thereby realize the breathing process of compressor.From relief opening 144 and 145 pressurized gas of discharging, the two through hole on rear end cover 15 arrives shell hyperbaric chamber 43 through oil separator 40 again, discharges from exhaust outlet of compressor 412 (with reference to figure 6).
Fig. 7 has disclosed the example according to second kind of air intake passage of the utility model design, and it is second kind of air intake passage end view according to the utility model design.Air intake passage in second kind of example on the shell periphery is changed into oval-shaped passageway from circular channel.
Fig. 8 has disclosed the example according to the third air intake passage of the utility model design, and it is the third air intake passage end view according to the utility model design.Air intake passage in the third example on the shell periphery is changed into semi-circular channel from circular channel.
With reference to figure 7 and shown in Figure 8, refrigerant gas enters gas-entered passageway from housing rear end part intakeport, gas is through oval-shaped passageway 711 on the housing cylindrical body outer surface or semi-circular channel 811, enter the oval or semicircle suction port in the protecgulum, for prevent that gas from leaking between housing and protecgulum end face, suction port place at protecgulum opens seal groove, with ellipse rubber ring or semi-circular seal with elastometic washer.Thereby realize the breathing process of compressor.
The intakeport and the relief opening of the utility model rear end intake and exhaust formula rotary vane type compressor are arranged in the compressor rear end part simultaneously, and can be placed side by side, realize that the compressor porting is arranged in the requirement of rear portion same position.The internal core parts of compressor comprise that parts such as main shaft, rotor, front cover, cylinder block, rear end cover, oil separation are identical with traditional double working-chamber rotary vane type compressor simultaneously, can improve interchangeability of parts, reduce product cost, enrich product structure.
The foregoing description provides to being familiar with the person in the art and realizes or use of the present utility model; those skilled in the art can be under the situation that does not break away from model utility thought of the present utility model; the foregoing description is made various modifications or variation; thereby protection domain of the present utility model do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (6)
1. a rear end intake and exhaust formula rotary vane type compressor comprises shell, cylinder block, protecgulum, front cover, rear end cover, main shaft, rotor, oil separator, it is characterized in that,
The rear end of described shell has intakeport and relief opening, has air intake passage on the case surface, and this air intake passage connects the suction port on described intakeport and the protecgulum.
2. rear end intake and exhaust formula rotary vane type compressor as claimed in claim 1 is characterized in that,
Described air intake passage is a circular channel.
3. rear end intake and exhaust formula rotary vane type compressor as claimed in claim 1 is characterized in that,
Described air intake passage is an oval-shaped passageway.
4. rear end intake and exhaust formula rotary vane type compressor as claimed in claim 1 is characterized in that,
Described air intake passage is a semi-circular channel.
5. as each described rear end intake and exhaust formula rotary vane type compressor among the claim 2-4, it is characterized in that,
The suction port place of described protecgulum opens seal groove, places rubber o-ring and seals.
6. as each described rear end intake and exhaust formula rotary vane type compressor among the claim 2-4, it is characterized in that, refrigerant gas enters gas-entered passageway from the intakeport of outer casing back, enter the suction port of protecgulum through described air intake passage, the Y shape die cavity that described protecgulum and front cover constitute is divided into two-way with refrigerant gas, flow to two inlet holes on the front cover respectively, refrigerant gas is at the further again separated into two parts of these two inlet holes, a part directly is inhaled into air aspiration cavity, two the low pressure vents of another part on cylinder block flow to two the air inlet grooves in rear end cover place, are inhaled into air aspiration cavity again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201995934U CN201148973Y (en) | 2007-12-21 | 2007-12-21 | Rear end air charging and discharging rotary vane compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201995934U CN201148973Y (en) | 2007-12-21 | 2007-12-21 | Rear end air charging and discharging rotary vane compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201148973Y true CN201148973Y (en) | 2008-11-12 |
Family
ID=40116741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201995934U Expired - Fee Related CN201148973Y (en) | 2007-12-21 | 2007-12-21 | Rear end air charging and discharging rotary vane compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201148973Y (en) |
-
2007
- 2007-12-21 CN CNU2007201995934U patent/CN201148973Y/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: 20081112 Termination date: 20151221 |
|
| EXPY | Termination of patent right or utility model |