CN202659501U - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
- Publication number
- CN202659501U CN202659501U CN 201220055978 CN201220055978U CN202659501U CN 202659501 U CN202659501 U CN 202659501U CN 201220055978 CN201220055978 CN 201220055978 CN 201220055978 U CN201220055978 U CN 201220055978U CN 202659501 U CN202659501 U CN 202659501U
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- cylinder
- slip sheet
- slide plate
- rear end
- circular arc
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Abstract
The utility model discloses a rotary compressor, which comprises a compressor assembly and a motor, wherein the compressor assembly and the motor are arranged in a sealed shell; the compressor assembly comprises a main bearing, an auxiliary bearing, a piston and a slip sheet, wherein the main bearing and the auxiliary bearing are arranged on two sides of a cylinder; the piston and the slip sheet are arranged in the cylinder; the cylinder is provided with a cylinder slip sheet slot; the slip sheet is arranged in the cylinder slip sheet slot in a sliding mode; the slip sheet comprises a front end of the slip sheet and a rear end of the slip sheet; and the front end of the slip sheet and the rear end of the slip sheet are provided with circular-arc parts. According to the rotary compressor disclosed by the utility model, the rear end of the slip sheet is additionally provided with the circular-arc part, the energy efficiency of the compressor is improved by the expansion of the internal diameter of the cylinder and the cylinder flattening design while the length of the slip sheet is not changed, the effective sealing length of the slip sheet and the cylinder slip sheet slot can be guaranteed, gas leakage loss and slip sheet movement loss in the cylinder are reduced, a gap t2 between the rear end of the slip sheet and the tail end of the cylinder slip sheet slot is fully reduced, the wall thickness of the tail end of the cylinder slip sheet slot and the strength of the cylinder are increased, so that the deformation possibility of the cylinder in the operation is diminished, and the working efficiency of the rotary compressor is improved.
Description
Technical field
The utility model relates to a kind of compressor, particularly a kind of rotary compressor.
Background technique
Rotary compressor is widely used in refrigerator, air-conditioning, the heat pump water heater, and the major function of rotary compressor is to suck low pressure refrigerant, it is compressed to high temperature and high pressure gas, and then is discharged in the work system of refrigerant.
Referring to Fig. 1, be the vertical section structure schematic representation of existing rotary compressor, comprise housing 1 with certain internal capacity, be fixed on the inner motor that produces driving force of housing 1, compressing mechanism that can compression refrigerant under the effect of the driving force of motor.Motor comprises the stator 2 that is fixed on the housing 1 and at the rotor 3 of stator 2 internal rotatings.Compressing mechanism comprises cylinder 6, be separately positioned on the main bearing 5 of top and the bottom of cylinder 6 and supplementary bearing 7, join with the inwall of rotor 3 and be provided with the bent axle 4 of eccentric shaft, taken in bent axle 4 and be connected the piston 8 that can rotate freely, its front end is crimped on the slide plate 11 on piston 8 cylindricals.Gas-liquid separator 10 is arranged on the outside of housing 1, and gas-liquid separator 10 is connected with the inlet hole of cylinder 6.Gas coolant enters the air aspiration cavity of cylinder 6 by sucking pipe 10, and by the rotation of bent axle 4, piston 8, gas coolant is interior compressed at cylinder 6, and the gas coolant after compressed is discharged by the exhaust structure that is arranged on the main bearing 5 by the exhaust otch of cylinder 6.
Referring to Fig. 2-Fig. 4, be the main TV structure schematic representation of cylinder part, this cylinder part by cylinder 6, piston 8, and slide plate 11 form.Be provided with vane slot 12 in the cylinder 6, piston 8 and eccentric shaft are in cylinder 6 interior rotations, and slide plate front end 11.1 contacts with piston 8 external diameters all the time, and along with the rotation of piston, slide plate 11 reciprocatingly slides in cylinder vane slot 12.Therefore cylinder vane slot 12 must have enough space t1 to guarantee the effective exercise of slide plate 11, established the length of cylinder vane slot 12 after, therefore cylinder rear end wall thickness H has also established, this wall thickness H place, cylinder rear end is the weakness of cylinder rigidity.Cylinder rear end wall thickness H is larger, and the rigidity of cylinder is stronger, and the distortion of cylinder in service like this is just less, and the working efficiency of rotary compressor is promoted, and the reliability of rotary compressor is promoted.Otherwise, the working efficiency of rotary compressor is descended, and the reliability of rotary compressor is reduced.
In the prior art, see Fig. 3, slide plate 11 rear ends 11.2 all are straight, when slide plate 11 runs to rearmost point in vane slot 12 like this (such as Fig. 2), the effective exercise that large t space guarantees slide plate must be provided with enough between slide plate rear end 11.2 and vane slot 12 rear ends, vane slot 12 rear ends can not be run into, cause like this cylinder rear end wall thickness H1 to reduce, so that the cylinder reduced stiffness, distortion increases, the decrease in efficiency of rotary compressor.The common practice is that the length with slide plate 11 reduces, especially promote the compressor efficiency by the cylinder flattening that enlarges the cylinder inner diameter in the prior art, the length that straight expansion directly causes having to slide plate in the cylinder reduces, slide plate and vane slot effective sealing length also just reduce like this, so that the Leakage Gas loss strengthens in the cylinder, and the vane motion loss also increases, and finally causes the working efficiency of rotary compressor to descend, and the reliability of rotary compressor is reduced.Therefore, be necessary to be further improved and perfect.
The model utility content
The purpose of this utility model aims to provide the rotary compressor of a kind of simple and reasonable, high working efficiency and stable and reliable operation, to overcome deficiency of the prior art.
A kind of rotary compressor by this purpose design, comprise the compressor assembly and the motor that are arranged in the seal casinghousing, compressor assembly comprises main bearing and the supplementary bearing that is arranged on the cylinder both sides, and be arranged on piston and slide plate in the cylinder, be provided with the cylinder vane slot on the cylinder, slide plate slides and is arranged in the cylinder vane slot, and its structure characteristic is that described slide plate comprises slide plate front end and slide plate rear end, and slide plate front end and slide plate rear end are provided with circular arc part.
Described circular arc part is one section circular arc with same radius; Circular arc part is arranged on the slide plate rear end, and the slide plate rear end is towards the tail end of cylinder vane slot.
Described circular arc part is more than one section and has the not circular arc of same radius R that this radius R comprises radius R 1, R2 and R3; Circular arc part is arranged on the slide plate rear end, and the slide plate rear end is towards the tail end of cylinder vane slot.
Described circular arc part is arranged on the slide plate front end, and the slide plate front end touches and leans against on the outer wall of piston, and piston and slide plate are in transmission connection.
The utility model is set up circular arc part by the slide plate rear end, in the length that does not change slide plate, utilize expansion cylinder bore diameter and cylinder flattening to design to promote the compressor efficiency, slide plate and cylinder vane slot effective sealing length have been guaranteed, reduce Leakage Gas loss and vane motion loss in the cylinder, fully reduce the space t2 between the tail end of slide plate rear end and cylinder vane slot, increase the wall thickness of cylinder vane slot tail end and the intensity of cylinder, the Texturing Machines of cylinder in service like this can will diminish, promote the working efficiency of rotary compressor, further improve reliability and the stability of product.
The utility model is not only applicable to the single cylinder rotary compressor, and is applicable to twin-tub or multi-cylinder rotary compressor, its have simple and reasonable, high working efficiency, stable and reliable operation, applied widely, process simple characteristics.
Description of drawings
Fig. 1 is the sectional structure schematic representation of rotary compressor in the prior art.
Fig. 2 is the main TV structure schematic representation of the cylinder part among Fig. 1.
Fig. 3 is the perspective view of the slide plate among Fig. 2.
Fig. 4 is the right TV structure schematic representation of Fig. 3.
Fig. 5 is the main TV structure schematic representation of cylinder part among the utility model one embodiment.
Fig. 6 is the perspective view of the slide plate among Fig. 5.
Fig. 7 is the right TV structure schematic representation of Fig. 6.
Fig. 8 is the local enlarged diagram in slide plate rear end.
Fig. 9 is the local enlarged diagram in slide plate rear end among another embodiment.
Among the figure: 1 is housing, and 2 is stator, and 3 is rotor, and 4 is bent axle, and 5 is main bearing, 6 is cylinder, and 7 is supplementary bearing, and 8 is piston, and 9 is sucking pipe, and 10 is gas-liquid separator, 11 is slide plate, and 11.1 is the slide plate front end, and 11.2 is the slide plate rear end, and 11.3 is circular arc part, and 12 is the cylinder vane slot.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
The first embodiment
Referring to Fig. 5-Fig. 8, this rotary compressor, comprise the compressor assembly and the motor that are arranged in the seal casinghousing 1, compressor assembly comprises main bearing 5 and the supplementary bearing 7 that is arranged on cylinder 6 both sides, and be arranged on piston 6 and slide plate 11 in the cylinder 6, be provided with cylinder vane slot 12 on the cylinder 6, slide plate 11 slides and is arranged in the cylinder vane slot 12.Slide plate 11 is comprised of slide plate front end 11.1 and slide plate rear end 11.2, and slide plate front end 11.1 and slide plate rear end 11.2 are respectively arranged with circular arc part 11.3.Circular arc part 11.3 is one section circular arc with same radius, its purpose is: be provided with circular arc part 11.3 on the slide plate front end 11.1, slide plate front end 11.1 touches by circular arc part 11.3 and leans against on the outer wall of piston 6, piston 6 is in transmission connection with slide plate 11, along with the rotation of piston 6, slide plate 11 reciprocatingly slides at cylinder vane slot 12.
In like manner, be provided with circular arc part 11.3 on the slide plate rear end 11.2, slide plate rear end 11.2 guarantees slide plate 11 and cylinder vane slot 12 effective sealing length towards the tail end of cylinder vane slot 12, reduces cylinder 6 interior Leakage Gas loss and slide plate 11 lost motion.When the total length of slide plate 11 is constant, reduce the space t2 between the tail end of slide plate rear end 11.2 and cylinder vane slot 12, so that t2＜t1, indirectly increase the wall thickness H 2 of cylinder 6, so that H2〉H1, so that the wall thickness H 2 of cylinder vane slot 12 is larger, the rigidity of cylinder 6 is stronger, the Texturing Machines of cylinder 6 in service like this can will diminish, and promotes the working efficiency of rotary compressor, further improves reliability and the stability of product.
The second embodiment
Referring to Fig. 9, described circular arc part 11.3 is arranged at slide plate rear end 11.2, and circular arc part 11.3 is more than one section and has the not circular arc of same radius R that this radius R is comprised of radius R 1, R2 and R3.Other does not state part with the first embodiment.
More than be the description for the single cylinder rotary compressor, for twin-tub rotation-type compressor, this technological scheme equally can be suitable for.Certainly, the utility model is not limited to above mode of execution.As long as slide plate rear end 11.2 arranges round and smooth structure, can reduce the space t between the tail end of slide plate rear end 11.2 and cylinder vane slot 12, all belong in the utility model category.The above only is the utility model most preferred embodiment; but the utility model protection domain is not limited to this; any those skilled in the art is in the disclosed technical scope of the utility model; change easily or change, and this change or variation all should be encompassed in the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (4)
1. rotary compressor, comprise the compressor assembly and the motor that are arranged in the seal casinghousing (1), compressor assembly comprises main bearing (5) and the supplementary bearing (7) that is arranged on cylinder (6) both sides, and be arranged on piston (8) and slide plate (11) in the cylinder (6), be provided with cylinder vane slot (12) on the cylinder (6), slide plate (11) slides and is arranged in the cylinder vane slot (12), it is characterized in that described slide plate (11) comprises slide plate front end (11.1) and slide plate rear end (11.2), slide plate front end (11.1) and slide plate rear end (11.2) are provided with circular arc part (11.3).
2. rotary compressor according to claim 1 is characterized in that described circular arc part (11.3) is one section circular arc with same radius; Circular arc part (11.3) is arranged on the slide plate rear end (11.2), and slide plate rear end (11.2) are towards the tail end of cylinder vane slot (12).
3. rotary compressor according to claim 1 is characterized in that described circular arc part (11.3) is more than one section and has the not circular arc of same radius R, and this radius R comprises radius R 1, R2 and R3; Circular arc part (11.3) is arranged on the slide plate rear end (11.2), and slide plate rear end (11.2) are towards the tail end of cylinder vane slot (12).
4. according to claim 1 to 3 arbitrary described rotary compressors, it is characterized in that described circular arc part (11.3) is arranged on the slide plate front end (11.1), slide plate front end (11.1) touches and leans against on the outer wall of piston (8), and piston (8) is in transmission connection with slide plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220055978 CN202659501U (en) | 2012-02-20 | 2012-02-20 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220055978 CN202659501U (en) | 2012-02-20 | 2012-02-20 | Rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202659501U true CN202659501U (en) | 2013-01-09 |
Family
ID=47454410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220055978 Expired - Lifetime CN202659501U (en) | 2012-02-20 | 2012-02-20 | Rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202659501U (en) |
-
2012
- 2012-02-20 CN CN 201220055978 patent/CN202659501U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130109 |