CN207033748U - A kind of Rotary Compressor pumping - Google Patents

A kind of Rotary Compressor pumping Download PDF

Info

Publication number
CN207033748U
CN207033748U CN201721002828.6U CN201721002828U CN207033748U CN 207033748 U CN207033748 U CN 207033748U CN 201721002828 U CN201721002828 U CN 201721002828U CN 207033748 U CN207033748 U CN 207033748U
Authority
CN
China
Prior art keywords
bent axle
annular groove
undersetting
upper bracket
middle face
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721002828.6U
Other languages
Chinese (zh)
Inventor
纪德奎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rechi Qingdao Precision Electric Machinery Co Ltd
Original Assignee
Rechi Qingdao Precision Electric Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rechi Qingdao Precision Electric Machinery Co Ltd filed Critical Rechi Qingdao Precision Electric Machinery Co Ltd
Priority to CN201721002828.6U priority Critical patent/CN207033748U/en
Application granted granted Critical
Publication of CN207033748U publication Critical patent/CN207033748U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

The utility model discloses a kind of Rotary Compressor pumping, including upper bracket, cylinder body, undersetting, bent axle and ring;The upper bracket and undersetting are located at the both sides up and down of cylinder body respectively;The bent axle passes through upper bracket, cylinder body and undersetting;Cam part in the middle part of the bent axle is placed exactly in the ring in cylinder body, and the ring does eccentric motion in cylinder body with the rotation of cam part, and long axle portion and the upper bracket on the bent axle top are nested, and short axle portion and the undersetting of the bent axle bottom are nested;The upper bracket is with being provided with annular groove on the nested arrangements Middle face of the long axle portion on bent axle top, the undersetting on the nested arrangements Middle face in the short axle portion of bent axle bottom with being provided with lower annular groove.The utility model can reduce the contact area that bent axle is nested with upper and lower bearing on the whole, and then can reduce the contact friction of part between pumping mating surface, reduce Rotary Compressor power, improve Rotary Compressor efficiency.

Description

A kind of Rotary Compressor pumping
Technical field
The utility model belongs to Compressor Technology field, more particularly to a kind of Rotary Compressor pumping.
Background technology
Compressor is a kind of machinery by gas compression lift gas pressure, passes through the generator of such as motor, turbine etc To its supply electric power, and the working fluid of such as air, refrigerant etc is compressed and makees work, to improve working fluid pressure Mechanism, this compressor makes extensively in the various applications from the household electrical appliance of such as air conditioner, refrigerator or the like to factory With according to the difference of its compress mode, reciprocating, swinging, scroll-type, spiral, centrifugal, axial-flow type etc. can be divided into.
In traditional Rotary Compressor, pumping is one important component.As shown in figure 1, pumping is including upper The ˊ of bearing 1, cylinder body 2, the ˊ of undersetting 3, the ˊ of bent axle 4 and ring 5 and silencer cover 6, the ˊ of bent axle 4 and ring 5 are high under the drive of electric motor Speed rotates, the compressing refrigerant gas in confined space that the ˊ of upper bracket 1, the ˊ of undersetting 3 and cylinder body 2 are formed, and compresses the height of completion Warm high pressure refrigerant gas discharges compressor from cylinder body 2, the ˊ discharge openings of upper bracket 1, silencer cover 6, so as to reach the effect of refrigeration and heating Fruit.After Rotary Compressor is powered, pumping carries out swinging motion under the drive of electric motor, and pumping operation process In, can be because phase mutual friction be produced the problems such as component processing precision or smaller gap, so as to cause Rotary Compressor power Rise, efficiency reduces.It is primarily present position:At the ˊ cooperations of long axle portion upper bracket 1 on the ˊ tops of bent axle 4, the ˊ bottoms of bent axle 4 At short axle portion and the ˊ cooperations of undersetting 3;When 4 ˊ gyrations of bent axle, at the ˊ cooperations of long axle portion upper bracket 1 on the ˊ tops of bent axle 4 and With being also easy to produce friction at the ˊ cooperations of undersetting 3, it not only results in the efficiency drop of Rotary Compressor in the short axle portion of the ˊ bottoms of bent axle 4 It is low, more influence the service life of Rotary Compressor.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of Rotary Compressor pumping.
To achieve the above object, the utility model uses following technical proposals:
A kind of Rotary Compressor pumping, including upper bracket, cylinder body, undersetting, bent axle and ring;The upper bracket and lower branch Seat is located at the both sides up and down of cylinder body respectively;The bent axle passes through upper bracket, cylinder body and undersetting;Cam part in the middle part of the bent axle It is placed exactly in the ring in cylinder body, and the ring does eccentric motion in cylinder body with the rotation of cam part, on the bent axle The long axle portion in portion is nested with upper bracket, and short axle portion and the undersetting of the bent axle bottom are nested;The upper bracket with Annular groove, the undersetting and the short axle portion of bent axle bottom are provided with the nested arrangements Middle face of the long axle portion on bent axle top Lower annular groove is provided with nested arrangements Middle face.Herein, the setting of upper annular groove can make upper bracket and the long axle portion on bent axle top The contact area of nested arrangements reduces, and then reduces the contact friction between part, and the setting of lower annular groove can make undersetting and song The contact area of the nested arrangements in the short axle portion of axle bottom reduces, while can also reduce the contact friction between part.
Preferably, the upper annular groove is arranged on upper bracket inner side nested arrangements Middle face or is arranged on the major axis on bent axle top Nested arrangements Middle face on the outside of portion;The lower annular groove is arranged on nested arrangements Middle face or bent axle bottom on the inside of undersetting Short axle portion on the outside of nested arrangements Middle face.
Preferably, the upper annular groove is arranged on nested arrangements Middle face on the inside of upper bracket;The lower annular groove is arranged on lower branch Seat inner side nested arrangements Middle face.
Preferably, the upper annular groove is arranged on nested arrangements Middle face on the outside of the long axle portion on bent axle top;The lower annular groove It is arranged on nested arrangements Middle face on the outside of the short axle portion of bent axle bottom.
Preferably, the upper annular groove is by being arranged on the annular groove of nested arrangements Middle face on the inside of upper bracket and being arranged on bent axle The annular groove of nested arrangements Middle face surrounds jointly on the outside of the long axle portion in portion;The lower annular groove is matched somebody with somebody by being arranged on nesting on the inside of undersetting The annular groove for closing Middle face and the annular groove for being arranged on nested arrangements Middle face on the outside of the short axle portion of bent axle bottom surround jointly.
Preferably, it is covered with silencer cover on the periphery of the upper bracket.
Preferably, it is bolted between undersetting and cylinder body between the upper bracket and cylinder body.
Rotary Compressor pumping provided by the utility model, it is nested with the long axle portion on bent axle top in upper bracket respectively Annular groove is provided with the middle part of mating surface, under being provided with the nested arrangements Middle face in the short axle portion of undersetting Yu bent axle bottom Annular groove, the contact area that bent axle and upper and lower bearing are nested can be reduced on the whole, and then can reduced between pumping mating surface The contact friction of part, reduce Rotary Compressor power, improve Rotary Compressor efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of traditional Rotary Compressor pumping;
Fig. 2 is the structure chart of the utility model single-revolution formula compressor pumping;
Fig. 3 is the structure chart of another Rotary Compressor pumping of the utility model;
Fig. 4 is the structure chart of the another Rotary Compressor pumping of the utility model.
Wherein:1. upper bracket, 1 ˊ upper brackets, 2. cylinder bodies, 3. undersettings, 3 ˊ undersettings, 4. bent axles, 4 ˊ bent axles, 5. Ring, 6. silencer covers, annular groove on 7., 8. times annular grooves.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
The utility model Rotary Compressor pumping is improved in the structure of traditional Rotary Compressor pumping, because This utility model continue to use traditional Rotary Compressor pumping structure and corresponding feature and drawing reference numeral, new work it is improved Architectural feature marks in addition.
As in Figure 2-4, a kind of Rotary Compressor pumping, including upper bracket 1, cylinder body 2, undersetting 3, bent axle 4 and ring 5;Wherein upper bracket 1 and undersetting 3 are located at the both sides up and down of cylinder body 2 respectively, and bent axle 4 passes through upper bracket 1, cylinder body 2 and lower branch Seat 3, the cam part at the wherein middle part of bent axle 4 is placed exactly in the ring 5 in cylinder body 2, and ring 5 can be with cam part in cylinder body 2 Rotate and do eccentric motion, long axle portion and the upper bracket 1 on the top of bent axle 4 are nested, and the short axle portion of the bottom of bent axle 4 and lower branch Seat 3 is nested;The upper bracket 1 on the nested arrangements Middle face of the long axle portion on the top of bent axle 4 with being provided with annular groove 7, institute Undersetting 3 is stated with being provided with lower annular groove 8 on the nested arrangements Middle face in the short axle portion of the bottom of bent axle 4.Herein, upper annular groove 7 is set The contact area for putting the nested arrangements for the long axle portion that can make upper bracket 1 and the top of bent axle 4 reduces, and then connecing between reduction part Wiping is touched, the setting of lower annular groove 8 can reduce the contact area of undersetting 3 and the nested arrangements in the short axle portion of the bottom of bent axle 4, together When can also reduce contact friction between part.
Preferably, the upper annular groove 7 is arranged on the inner side nested arrangements Middle face of upper bracket 1 or is arranged on the top of bent axle 4 Nested arrangements Middle face on the outside of long axle portion;The lower annular groove 8 is arranged on the inner side nested arrangements Middle face of undersetting 3 or song Nested arrangements Middle face on the outside of the short axle portion of the bottom of axle 4.
Preferably, the upper annular groove 7 is arranged on the inner side nested arrangements Middle face of upper bracket 1;The lower annular groove 8 is arranged on down The inner side nested arrangements Middle face of bearing 3, as shown in Figure 2.
Preferably, the upper annular groove 7 is arranged on nested arrangements Middle face on the outside of the long axle portion on the top of bent axle 4;The lower ring Groove 8 is arranged on nested arrangements Middle face on the outside of the short axle portion of the bottom of bent axle 4, as shown in Figure 3.
Preferably, the upper annular groove 7 is by being arranged on the annular groove of the inner side nested arrangements Middle face of upper bracket 1 and being arranged on bent axle The annular groove of nested arrangements Middle face surrounds jointly on the outside of the long axle portion on 4 tops;The lower annular groove 8 is by being arranged on the inner side of undersetting 3 The annular groove of nested arrangements Middle face encloses jointly with the annular groove for being arranged on nested arrangements Middle face on the outside of the short axle portion of the bottom of bent axle 4 Into as shown in Figure 4.
Preferably, it is covered with silencer cover 6 on the periphery of the upper bracket 1.
Preferably, it is bolted between undersetting 3 and cylinder body 2 between the upper bracket 1 and cylinder body 2.
Rotary Compressor pumping provided by the utility model, it is nested with the long axle portion on bent axle top in upper bracket respectively Annular groove is provided with the middle part of mating surface, under being provided with the nested arrangements Middle face in the short axle portion of undersetting Yu bent axle bottom Annular groove, the contact area that bent axle and upper and lower bearing are nested can be reduced on the whole, and then can reduced between pumping mating surface The contact friction of part, reduce Rotary Compressor power, improve Rotary Compressor efficiency.
It is not new to this practicality although above-mentioned specific embodiment of the present utility model is described with reference to accompanying drawing The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability Field technique personnel need not pay the various modifications that creative work can make or deformation still in protection model of the present utility model Within enclosing.

Claims (7)

1. a kind of Rotary Compressor pumping, it is characterized in that, including upper bracket, cylinder body, undersetting, bent axle and ring;The upper branch Seat and undersetting are located at the both sides up and down of cylinder body respectively;The bent axle passes through upper bracket, cylinder body and undersetting;In the middle part of the bent axle Cam part be placed exactly in the ring in cylinder body, and the ring does eccentric motion in cylinder body with the rotation of cam part, institute The long axle portion and upper bracket for stating bent axle top are nested, and short axle portion and the undersetting of the bent axle bottom are nested;It is described Upper bracket is with being provided with annular groove, the undersetting and bent axle bottom on the nested arrangements Middle face of the long axle portion on bent axle top Lower annular groove is provided with the nested arrangements Middle face in short axle portion.
2. Rotary Compressor pumping as claimed in claim 1, it is characterized in that, the upper annular groove is arranged on embedding on the inside of upper bracket Set mating surface middle part is arranged on nested arrangements Middle face on the outside of the long axle portion on bent axle top;The lower annular groove is arranged on Nested arrangements Middle face on the outside of the short axle portion of nested arrangements Middle face or bent axle bottom on the inside of undersetting.
3. Rotary Compressor pumping as claimed in claim 1, it is characterized in that, the upper annular groove is arranged on embedding on the inside of upper bracket Cover in the middle part of mating surface;The lower annular groove is arranged on nested arrangements Middle face on the inside of undersetting.
4. Rotary Compressor pumping as claimed in claim 1, it is characterized in that, the upper annular groove is arranged on the length on bent axle top Nested arrangements Middle face on the outside of axle portion;The lower annular groove is arranged on nested arrangements Middle face on the outside of the short axle portion of bent axle bottom.
5. Rotary Compressor pumping as claimed in claim 1, it is characterized in that, the upper annular groove is by being arranged on the inside of upper bracket The annular groove of nested arrangements Middle face surrounds jointly with the annular groove for being arranged on nested arrangements Middle face on the outside of the long axle portion on bent axle top; The lower annular groove is by being arranged on the annular groove of nested arrangements Middle face on the inside of undersetting and being arranged on the outside of the short axle portion of bent axle bottom The annular groove of nested arrangements Middle face surrounds jointly.
6. the Rotary Compressor pumping as described in claim any one of 1-5, it is characterized in that, the peripheral upper cover of the upper bracket There is silencer cover.
7. the Rotary Compressor pumping as described in claim any one of 1-5, it is characterized in that, between the upper bracket and cylinder body It is bolted between undersetting and cylinder body.
CN201721002828.6U 2017-08-11 2017-08-11 A kind of Rotary Compressor pumping Expired - Fee Related CN207033748U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721002828.6U CN207033748U (en) 2017-08-11 2017-08-11 A kind of Rotary Compressor pumping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721002828.6U CN207033748U (en) 2017-08-11 2017-08-11 A kind of Rotary Compressor pumping

Publications (1)

Publication Number Publication Date
CN207033748U true CN207033748U (en) 2018-02-23

Family

ID=61487170

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721002828.6U Expired - Fee Related CN207033748U (en) 2017-08-11 2017-08-11 A kind of Rotary Compressor pumping

Country Status (1)

Country Link
CN (1) CN207033748U (en)

Similar Documents

Publication Publication Date Title
CN104454021B (en) Fluid dynamic with runner piston synchronous cyclotron mechanism is mechanical
CN104847660B (en) A kind of low compression ratio oil-free vortex air compressor assembly
CN201535245U (en) Partition board type rotor rotation device
CN207033748U (en) A kind of Rotary Compressor pumping
CN107035688A (en) A kind of electromechanical integration oil-free turbo-compressor
CN102996457B (en) Rotary compressor and exhaust valve
CN112879304A (en) Self-driven cooling device for eccentric main shaft of oil-free scroll vacuum pump and use method
CN205578272U (en) Scroll compressor's casing structure
CN201339578Y (en) Rotary compressor with rotational cylinder
CN103591025B (en) The turbo charged rotary compressor of band air-breathing
CN203809232U (en) Multi-cylinder bearing-gear-combined connecting rod type coplanar compressor
CN211975392U (en) Composite rotor compressor
CN205823635U (en) Scroll type air compressor assembly
CN201162546Y (en) High-efficiency energy-saving radial piston type pneumatic motor
CN101358616A (en) Assembling structure of crankshaft and rotor
CN203669935U (en) Compound rotor power machine
CN205779715U (en) The unit mahine shell structure of screw compressor
CN206159036U (en) Rotary compressor pumping
CN205064210U (en) External power compression machine
CN206785637U (en) A kind of inverter screw compressor
CN206785630U (en) A kind of efficient Rotary Compressor pumping
CN204126893U (en) Air condition compressor
CN1837620A (en) Interior spiral pump of motor shaft
CN210799360U (en) Pump head and housing integrated directional rotary compressor
CN204738925U (en) Groups of stars' symmetry oil free compressor

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180223

Termination date: 20200811