CN104061165A - Rotary compressor and spring fixing structure thereof - Google Patents

Rotary compressor and spring fixing structure thereof Download PDF

Info

Publication number
CN104061165A
CN104061165A CN201410337213.3A CN201410337213A CN104061165A CN 104061165 A CN104061165 A CN 104061165A CN 201410337213 A CN201410337213 A CN 201410337213A CN 104061165 A CN104061165 A CN 104061165A
Authority
CN
China
Prior art keywords
spring
fixing
fixed
blocking
eye
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.)
Pending
Application number
CN201410337213.3A
Other languages
Chinese (zh)
Inventor
禹威
蓝榕江
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.)
Gree Electric Appliances Inc of Zhuhai
Zhuhai Landa Compressor Co Ltd
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Zhuhai Landa Compressor 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 Gree Electric Appliances Inc of Zhuhai, Zhuhai Landa Compressor Co Ltd filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201410337213.3A priority Critical patent/CN104061165A/en
Publication of CN104061165A publication Critical patent/CN104061165A/en
Pending legal-status Critical Current

Links

Abstract

The invention discloses a spring fixing structure. A fixing part and a spring hole are fixed in the spring fixing structure in a matched mode, and a withstanding part is pressed against the tail of the spring, so that limitation and fixation of the spring in a cylinder spring hole do not depend on a shell of a motor; specifically, the spring fixing structure can be in two forms, namely a nut cover structure and a barb type fixing structure. The invention also discloses a rotary compressor using the spring fixing structure. After the motor is increased, a conventional pump can be directly used, the spring is fixed, and a phenomenon that the spring is ineffective due to spring close-fitting separation is avoided even if shell wall protection is absent. Meanwhile, the spring fixing structure can be applied to a conventional compressor structure, the pump size is reduced, the cost of the pump material is reduced, and the length of a spring which does not participate in compression is reduced.

Description

A kind of rotary compressor and spring-fixed structure thereof
Technical field
The present invention relates to rotary compressor technical field, particularly a kind of rotary compressor and spring-fixed structure thereof.
Background technique
Rotary compressor start time for mineralization pressure poor, need contact with rolling piston with slide plate arc surface cylinder is separated for exhaust cavity and air aspiration cavity, for ensureing that the sealing of slide plate and piston surface of contact need add spring at slide plate afterbody slide plate is withstood on piston side.Fixing basic spring afterbody and the spring eye close-fitting of adopting now of spring, shown in its structure can see figures.1.and.2, after completing, corresponding final assembly utilize between spring eye tail end face and housing gap less, even if spring 01 afterbody and cylinder spring eye depart from, still have housing 02 to block the unlikely spring failure of spring 01.
Along with the continuous lifting that compressor efficiency requires, we have carried out the various efficacious prescriptions cases of putting forward.Wherein, the impact that the increasing of the profile of stator iron core is put forward effect to motor is larger.But then, compressor pump is developed large capacity compressors on existing structure basis, and existing motor can not meet large discharge capacity requirement, will remove the motor that adopts model larger.Such as adopting the former C49 pump housing, be used in conjunction with the motor of C55.Because motor external diameter strengthens, pump housing external diameter is constant, for the fixing pump housing generally adopts the upper spring bearing that increases the fixing pump housing of support mode or use external diameter to strengthen.If but used existing pump body diameter constant, housing internal diameter would strengthen to increase with motor internal diameter and just causes not stopping that object causes spring failure after pump housing spring disengaging close-fitting, increases external diameter of cylinder and can increase pump housing cost of material.
Therefore, for above-mentioned situation, on the basis that how to ensure not increase at the existing pump housing, realize the fixing of spring, become those skilled in the art's important technological problems urgently to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of spring-fixed structure, under the protection that there is no shell body wall, also can not cause because spring close-fitting departs from spring failure.
The present invention also provides a kind of rotary compressor of applying above-mentioned spring-fixed structure, increases after motor, can directly use the existing pump housing, ensures the fixing of spring, under the protection that there is no shell body wall, also can not cause because spring close-fitting departs from spring failure; Can apply simultaneously with existing compressor arrangement in, reduce pump housing size, reduce pump housing cost of material, reduce the length of the spring that does not participate in compression.
For achieving the above object, the invention provides following technological scheme:
A kind of spring-fixed structure, be used for preventing that spring from being deviate from by spring eye, comprise bounding means, described bounding means has fixing part and blocking part, described fixing part can be fixed therein with described spring eye, and described blocking part can offset with the afterbody of described spring.
Preferably, the inwall of described spring eye is provided with internal thread; Described fixing part is cylindrical structure, its hollow space can hold described spring to be passed through, and be provided with on the outer circumferential face of described fixing part for the outside thread with described screw-internal thread fit, one end of described fixing part is fixedly connected on described blocking part, form the bounding means of nut shield structure.
Preferably, one end of described fixing part is barb, can be buckled on the inner side end wall of described spring eye, and the other end of described fixing part is fixedly connected on described blocking part, forms the bounding means of overhead structure.
Preferably, the quantity of described fixing part is multiple.
Preferably, multiple described fixing parts are arranged along same even circumferential, and the diameter of described circumference is not more than the internal diameter of described spring eye, and the hollow space being surrounded by multiple described fixing parts can hold described spring and passes through.
Preferably, described blocking part is plane structure for the face offseting with described spring afterbody.
Preferably, the circle structure that described blocking part is hollow, the internal diameter size of its annulus is less than the diameter dimension of described spring afterbody, and the medial axis of Qi mounting point, described blocking part overlaps with the medial axis of described spring eye.
Preferably, the outside dimension of described blocking part is greater than the internal diameter size of described spring eye.
Preferably, the described fixing part of described bounding means and described blocking part firmware are integral type structure.
A kind of rotary compressor, is provided with spring eye on its pump housing, in described spring eye, is provided with spring, also comprises above-mentioned spring-fixed structure.
Can find out from above-mentioned technological scheme, spring-fixed structure provided by the invention, is fixed therein with spring eye by its fixing part, and blocking part offsets with the afterbody of spring, makes the spacing housing that is fixedly no longer dependent on motor of cylinder spring eye inner spring.
The present invention also provides a kind of rotary compressor of applying above-mentioned spring-fixed structure, increases after motor, can directly use the existing pump housing, ensures the fixing of spring, under the protection that there is no shell body wall, also can not cause because spring close-fitting departs from spring failure; Can apply simultaneously with existing compressor arrangement in, reduce pump housing size, reduce pump housing cost of material, reduce the length of the spring that does not participate in compression.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of rotary compressor in prior art;
Fig. 2 is the fixing structural representation of prior art medi-spring;
Fig. 3 is the structural representation of rotary compressor in first specific embodiment provided by the invention;
Fig. 4 is the fixing structural representation of first specific embodiment medi-spring provided by the invention;
Fig. 5 is the Facad structure schematic diagram of nut door in first specific embodiment provided by the invention;
Fig. 6 is the structure schematic diagram of nut door in first specific embodiment provided by the invention;
Fig. 7 is the side sectional view of nut door in first specific embodiment provided by the invention;
Fig. 8 is the sectional view in A-A cross section in Fig. 7 edge;
Fig. 9 is the structural representation of rotary compressor in second specific embodiment provided by the invention;
Figure 10 is second structural representation that specific embodiment medi-spring is fixing provided by the invention;
Figure 11 is the Facad structure schematic diagram of overhead structure in second specific embodiment provided by the invention;
Figure 12 is the structure schematic diagram of overhead structure in second specific embodiment provided by the invention;
Figure 13 is the side sectional view of overhead structure in first specific embodiment provided by the invention;
Figure 14 is the sectional view along A-A cross section in Figure 13.
Wherein, in the prior art of Fig. 1 and Fig. 2,01 is spring, 02 housing that is motor;
In first specific embodiment of this programme of Fig. 3-Fig. 8,11 is spring, and 12 is the bounding means of nut shield structure, and 121 is fixing part, and 122 is blocking part, 13 housings that are motor;
In second specific embodiment of this programme of Fig. 9-Figure 14,21 is spring, 22 bounding meanss that are overhead structure, and 221 is fixing part, 222 is blocking part, 23 housings that are motor.
Embodiment
The invention discloses a kind of rotary compressor and spring-fixed structure thereof, under the protection that there is no shell body wall, also can not cause because spring close-fitting departs from spring failure.Increase after motor, can directly use the existing pump housing, ensure the fixing of spring, under the protection that there is no shell body wall, also can not cause because spring close-fitting departs from spring failure; Can apply simultaneously with existing compressor arrangement in, reduce pump housing size, reduce pump housing cost of material, reduce the length of the spring that does not participate in compression.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment who obtains under creative work prerequisite, belong to the scope of protection of the invention.
The spring-fixed structure that the embodiment of the present invention provides, for preventing that spring from being deviate from by spring eye, its core improvement is, comprise bounding means, this bounding means has fixing part and blocking part, and fixing part can be fixed therein with spring eye, and blocking part can offset with the afterbody of spring.
Can find out from above-mentioned technological scheme, the spring-fixed structure that the embodiment of the present invention provides, be fixed therein with spring eye by its fixing part, blocking part offsets with the afterbody of spring, makes the spacing housing that is fixedly no longer dependent on motor of cylinder spring eye inner spring.
Increase after motor, can directly use the existing pump housing, ensure the fixing of spring, under the protection that there is no shell body wall, also can not cause because spring close-fitting departs from spring failure; Can apply simultaneously with existing compressor arrangement in, reduce pump housing size, reduce pump housing cost of material, reduce the length of the spring that does not participate in compression.
There is the spring-fixed structure of various ways can realize above-mentioned functions, in first specific embodiment providing at this programme, can be with reference to shown in Fig. 3-Fig. 8, the inwall of spring eye is provided with internal thread; Fixing part 121 is cylindrical structure, its hollow space can hold spring 11 to be passed through, and be provided with the outside thread for the screw-internal thread fit of same spring eye on the outer circumferential face of fixing part 121, one end of fixing part 121 is fixedly connected on blocking part 122, form the bounding means 12 of nut shield structure.At existing cylinder spring eye afterbody thread mill drilling, increase the bounding means 12 of nut shield structure, fix by screw-thread fit, needn't rely on again housing 13.
In the preferred embodiment providing at this programme, the face that blocking part 122 offsets for same spring 11 afterbodys is plane structure, enough large to ensure both surface of contact, for spring 11 plays stable position-limiting action, spring 11 is fixed in strict accordance with its design direction.
Concrete, the loop configuration that blocking part 122 is hollow, the internal diameter size of the hollow space that inner circumferential surface surrounds is less than the diameter dimension of spring 11 afterbodys, to ensure that the afterbody of spring 11 can be against on blocking part 122; In this programme, the blocking part 121 of cylindrical structure and the fixing part 122 of loop configuration are coaxially fixedly connected with, and after fixing part 122 is with spring eye screw-thread fit, the medial axis of 122Qi mounting point, blocking part overlaps with the medial axis of spring eye.The hollow structure of blocking part 122 has reduced its weight.
In order further to optimize above-mentioned technological scheme, the outside dimension of blocking part 122 is greater than the internal diameter size of spring eye, can be against on the outside end face of spring eye after assembling completes, and can in the time of screw-thread fit, play the effect that prompting is seated.In this programme, the inner peripheral surface of blocking part 122 is specifically processed as circular hole, and its outer circumferential face is specifically processed as to regular hexagon nut.Certainly, when the outside dimension of blocking part 122 is less than or equal to the internal diameter size of spring eye, also can realize the spacing fixing of this programme, now need to be processed as polygonal hole at the inner peripheral surface of blocking part 122, so that assembling.
In second specific embodiment providing at this programme; one end of fixing part 221 is barb; can be buckled on the inner side end wall of spring eye; the other end of fixing part 221 is fixedly connected on blocking part 222; form the bounding means 22 of overhead structure; its structure can, with reference to shown in Fig. 9-Figure 14, not have under the protection of housing 23, yet can not depart from and cause spring 21 to lose efficacy because of spring 21 close-fittings.
As preferably, the distance between the barb of fixing part 221 one end and its other end blocking part 222 equals spring eye length; Part between fixing part 221 two ends, for being the arc surface being mated towards the one side of spring eye, can be buckled in spring eye fixing part 221 tightly, improves the spacing fixing soundness of this structure and reliability.
When the structure of fixing part 221 is enough rationally time, single fixing part 221 can complete the spacing work of required fastening.In order further to improve the fixed effect of this programme, the quantity of fixing part 221 is multiple.
As preferably, multiple fixing parts 221 are arranged along same even circumferential, and the diameter of this circumference is not more than the internal diameter of spring eye, and the hollow space being surrounded by multiple fixing parts 221 can hold spring 22 and passes through.Now, the barb of fixing part 221 is greater than the radius of spring eye to the distance of circle center, inwardly elastic strain of barb in the time of the inwall of assembling process spring eye.Chamfering structure can also be designed so that pass through spring eye in the end of barb.In this programme, fixing part 221 is specially two of the 180 ° of settings of being separated by.
The circle structure that blocking part 222 is hollow, the internal diameter size of its circle structure is less than the diameter dimension of spring 21 afterbodys, and the outside dimension of circle structure is greater than the internal diameter size of spring eye; In this programme, multiple fixing parts 221 are evenly arranged along the annulus of blocking part 222, and after multiple fixing parts 221 are clasped with spring eye, the medial axis of 222Qi mounting point, blocking part overlaps with the medial axis of spring eye.
This programme provides above two kinds of specific embodiments, can also realize by other means spacing fixing, such as the outside end face at spring eye processes stationary platen, bounding means is directly fixed thereon, or the inwall of spring eye is processed to step surface, and the fixing part of bounding means is buckled on above-mentioned step surface.
As preferably, the fixing part of bounding means and blocking part firmware are integral type structure.
The embodiment of the present invention also provides a kind of rotary compressor, on its pump housing, is provided with spring eye, is provided with spring in spring eye, and its core improvement is, also above-mentioned spring-fixed structure.Increase after motor, can directly use the existing pump housing, ensure the fixing of spring, under the protection that there is no shell body wall, also can not cause because spring close-fitting departs from spring failure; Can apply simultaneously with existing compressor arrangement in, reduce pump housing size, reduce pump housing cost of material, reduce the length of the spring that does not participate in compression.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and other embodiments' difference, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to these embodiments' multiple amendment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. a spring-fixed structure, for preventing that spring from being deviate from by spring eye, is characterized in that, comprise bounding means, described bounding means has fixing part and blocking part, and described fixing part can be fixed therein with described spring eye, and described blocking part can offset with the afterbody of described spring.
2. spring-fixed structure according to claim 1, is characterized in that, the inwall of described spring eye is provided with internal thread; Described fixing part is cylindrical structure, its hollow space can hold described spring to be passed through, and be provided with on the outer circumferential face of described fixing part for the outside thread with described screw-internal thread fit, one end of described fixing part is fixedly connected on described blocking part, form the bounding means of nut shield structure.
3. according to the spring-fixed structure described in claim 2 any one, it is characterized in that, one end of described fixing part is barb, can be buckled on the inner side end wall of described spring eye, the other end of described fixing part is fixedly connected on described blocking part, forms the bounding means of overhead structure.
4. spring-fixed structure according to claim 3, is characterized in that, the quantity of described fixing part is multiple.
5. spring-fixed structure according to claim 4, it is characterized in that, multiple described fixing parts are arranged along same even circumferential, and the diameter of described circumference is not more than the internal diameter of described spring eye, and the hollow space being surrounded by multiple described fixing parts can hold described spring and passes through.
6. according to the spring-fixed structure described in claim 1-5 any one, it is characterized in that, described blocking part is plane structure for the face offseting with described spring afterbody.
7. spring-fixed structure according to claim 6, it is characterized in that, described blocking part is the circle structure of hollow, and the internal diameter size of its annulus is less than the diameter dimension of described spring afterbody, and the medial axis of Qi mounting point, described blocking part overlaps with the medial axis of described spring eye.
8. spring-fixed structure according to claim 7, is characterized in that, the outside dimension of described blocking part is greater than the internal diameter size of described spring eye.
9. spring-fixed structure according to claim 1, is characterized in that, the described fixing part of described bounding means and described blocking part firmware are integral type structure.
10. a rotary compressor, is provided with spring eye on its pump housing, in described spring eye, is provided with spring, it is characterized in that, also comprises the spring-fixed structure as described in claim 1-9 any one.
CN201410337213.3A 2014-07-15 2014-07-15 Rotary compressor and spring fixing structure thereof Pending CN104061165A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410337213.3A CN104061165A (en) 2014-07-15 2014-07-15 Rotary compressor and spring fixing structure thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410337213.3A CN104061165A (en) 2014-07-15 2014-07-15 Rotary compressor and spring fixing structure thereof

Publications (1)

Publication Number Publication Date
CN104061165A true CN104061165A (en) 2014-09-24

Family

ID=51549042

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410337213.3A Pending CN104061165A (en) 2014-07-15 2014-07-15 Rotary compressor and spring fixing structure thereof

Country Status (1)

Country Link
CN (1) CN104061165A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105422458A (en) * 2015-12-16 2016-03-23 珠海凌达压缩机有限公司 Compressor and air conditioner
CN106246552A (en) * 2016-09-21 2016-12-21 广东美芝精密制造有限公司 Compression mechanism, the assembly method of compression mechanism and compressor for compressor
CN106401970A (en) * 2016-10-26 2017-02-15 珠海凌达压缩机有限公司 Air cylinder, slip sheet spring fixing structure and rotary compressor
CN106438361A (en) * 2016-10-17 2017-02-22 珠海格力节能环保制冷技术研究中心有限公司 Spring fixing structure of rolling rotor type compressor and rolling rotor type compressor
CN111293802A (en) * 2020-02-26 2020-06-16 安徽美芝精密制造有限公司 Compressor and refrigeration equipment

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB520875A (en) * 1938-03-31 1940-05-06 Bosch Gmbh Robert Improvements in rotary piston compressors
JP2002303284A (en) * 2001-04-09 2002-10-18 Matsushita Electric Ind Co Ltd Rotary multistage compressor
CN100334354C (en) * 1999-08-05 2007-08-29 三洋电机株式会社 Multicylinder rotary compressor
KR20080018736A (en) * 2006-08-25 2008-02-28 엘지전자 주식회사 Rotary compressor
CN101761480A (en) * 2008-12-25 2010-06-30 乐金电子(天津)电器有限公司 Cylinder structure of rolling piston compressor
CN202132238U (en) * 2011-05-30 2012-02-01 广东美芝制冷设备有限公司 Fixing structure for slip sheet spring of rotary type compressor
CN204003471U (en) * 2014-07-15 2014-12-10 珠海凌达压缩机有限公司 A kind of rotary compressor and spring-fixed structure thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB520875A (en) * 1938-03-31 1940-05-06 Bosch Gmbh Robert Improvements in rotary piston compressors
CN100334354C (en) * 1999-08-05 2007-08-29 三洋电机株式会社 Multicylinder rotary compressor
JP2002303284A (en) * 2001-04-09 2002-10-18 Matsushita Electric Ind Co Ltd Rotary multistage compressor
KR20080018736A (en) * 2006-08-25 2008-02-28 엘지전자 주식회사 Rotary compressor
CN101761480A (en) * 2008-12-25 2010-06-30 乐金电子(天津)电器有限公司 Cylinder structure of rolling piston compressor
CN202132238U (en) * 2011-05-30 2012-02-01 广东美芝制冷设备有限公司 Fixing structure for slip sheet spring of rotary type compressor
CN204003471U (en) * 2014-07-15 2014-12-10 珠海凌达压缩机有限公司 A kind of rotary compressor and spring-fixed structure thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105422458A (en) * 2015-12-16 2016-03-23 珠海凌达压缩机有限公司 Compressor and air conditioner
CN106246552A (en) * 2016-09-21 2016-12-21 广东美芝精密制造有限公司 Compression mechanism, the assembly method of compression mechanism and compressor for compressor
CN106438361A (en) * 2016-10-17 2017-02-22 珠海格力节能环保制冷技术研究中心有限公司 Spring fixing structure of rolling rotor type compressor and rolling rotor type compressor
CN106438361B (en) * 2016-10-17 2018-10-02 珠海格力节能环保制冷技术研究中心有限公司 The spring-fixed structure and rolling rotor compressor of rolling rotor compressor
CN106401970A (en) * 2016-10-26 2017-02-15 珠海凌达压缩机有限公司 Air cylinder, slip sheet spring fixing structure and rotary compressor
CN111293802A (en) * 2020-02-26 2020-06-16 安徽美芝精密制造有限公司 Compressor and refrigeration equipment

Similar Documents

Publication Publication Date Title
CN104061165A (en) Rotary compressor and spring fixing structure thereof
US9447816B2 (en) Bearing assembly
US9776454B2 (en) Connection structure between airless tire and rim and fastening members thereof
EP3121937A3 (en) Electrically driven pump and method for manufacturing the same
US20160160947A1 (en) Brake disk
EP2410181A3 (en) Vane compressor
CN204003471U (en) A kind of rotary compressor and spring-fixed structure thereof
WO2011158011A3 (en) Stator for progressive cavity pump/motor
EP3184865B1 (en) Sealing structure
JP2016525335A5 (en)
WO2011135209A3 (en) Instrumented assembly for an axle journal
TW201713013A (en) Electric motor
US20180062473A1 (en) Inner-Rotor Type Motor and Stator Thereof
WO2014012412A1 (en) Bearing sleeve and motor
MX2018005964A (en) Rotating electric device.
CN105782209A (en) Connecting piece for assembling of stator assembly
CN206092645U (en) Quick bolt device
CN205715230U (en) Compressor crank shaft and compressor
CN204755907U (en) Mechanical seal device
CN104148915B (en) bearing mounting structure
CN203712525U (en) Abrasive cutting wheel
AU2016101692A4 (en) Firmly-fixed fitting structure between a stator core and a shell
CN108204400B (en) Motor and motor shaft thereof
AU2016101691A4 (en) Fitting structure between stator core and shell
TWI609133B (en) Fan and its motor

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20140924

RJ01 Rejection of invention patent application after publication