CN204003471U - A kind of rotary compressor and spring-fixed structure thereof - Google Patents
A kind of rotary compressor and spring-fixed structure thereof Download PDFInfo
- Publication number
- CN204003471U CN204003471U CN201420391413.2U CN201420391413U CN204003471U CN 204003471 U CN204003471 U CN 204003471U CN 201420391413 U CN201420391413 U CN 201420391413U CN 204003471 U CN204003471 U CN 204003471U
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- spring
- fixed structure
- fixing part
- blocking part
- eye
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Abstract
The utility model discloses a kind of spring-fixed structure, be used for preventing that spring from being deviate from by spring eye, it is characterized in that, comprise bounding means, described bounding means has fixing part and blocking part, described fixing part can be fixed within it with described spring eye, and described blocking part can offset with the afterbody of described spring; The invention also discloses a kind of rotary compressor of applying above-mentioned spring-fixed structure, increase after motor, can directly use the existing pump housing, guarantee 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.
Description
Technical field
The utility model relates to rotary compressor technical field, particularly a kind of rotary compressor and spring-fixed structure thereof.
Background technique
Rotary compressor when starting for mineralization pressure is poor, need contact with rolling piston with slide plate arc surface cylinder is separated for exhaust cavity and air aspiration cavity, for guaranteeing 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, increases the fixedly upper support bearing of the pump housing or the increasing of use external diameter of support mode.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 guarantee 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.
Model utility content
In view of this, the utility model 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 utility model also provides a kind of rotary compressor of applying above-mentioned spring-fixed structure, increases after motor, can directly use the existing pump housing, guarantees 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 utility model 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 within it 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 a plurality of.
Preferably, a plurality of 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 a plurality of 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 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.
From above-mentioned technological scheme, can find out, the spring-fixed structure that the utility model provides, by its fixing part, with spring eye, be fixed within it, 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 utility model also provides a kind of rotary compressor of applying above-mentioned spring-fixed structure, increases after motor, can directly use the existing pump housing, guarantees 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.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment 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 embodiments more of the present utility model, for those of ordinary skills, 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;
The structural representation of rotary compressor in first specific embodiment that Fig. 3 provides for the utility model;
The fixing structural representation of first specific embodiment medi-spring that Fig. 4 provides for the utility model;
The Facad structure schematic diagram of nut door in first specific embodiment that Fig. 5 provides for the utility model;
The structure schematic diagram of nut door in first specific embodiment that Fig. 6 provides for the utility model;
The side sectional view of nut door in first specific embodiment that Fig. 7 provides for the utility model;
Fig. 8 is the sectional view in A-A cross section in Fig. 7 edge;
The structural representation of rotary compressor in second specific embodiment that Fig. 9 provides for the utility model;
Second structural representation that specific embodiment medi-spring is fixing that Figure 10 provides for the utility model;
The Facad structure schematic diagram of overhead structure in second specific embodiment that Figure 11 provides for the utility model;
The structure schematic diagram of overhead structure in second specific embodiment that Figure 12 provides for the utility model;
The side sectional view of overhead structure in first specific embodiment that Figure 13 provides for the utility model;
Figure 14 is along the sectional view in 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 utility model 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, guarantee 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 utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
The spring-fixed structure that the utility model embodiment 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 within it with spring eye, and blocking part can offset with the afterbody of spring.
From above-mentioned technological scheme, can find out, the spring-fixed structure that the utility model embodiment provides, by its fixing part, with spring eye, be fixed within it, 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, guarantee 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, by screw-thread fit, fix, 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 guarantee 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 guarantee 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 when 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 in blocking part 122 inner peripheral surface be processed as polygonal hole 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 not have under the protection of housing 23 with reference to shown in Fig. 9-Figure 14, 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 is the arc surface being mated for the one side towards spring eye, and fixing part 221 can be buckled in spring eye 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 a plurality of.
As preferably, a plurality of 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 a plurality of 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 when 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 a plurality of fixing parts 221 along blocking part 222 annulus evenly arrange, after a plurality of 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 utility model embodiment 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, guarantee 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 each embodiment stresses is the difference with other embodiments, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To these embodiments' multiple modification, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model 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 within it 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 a plurality of.
5. spring-fixed structure according to claim 4, it is characterized in that, a plurality of 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 a plurality of 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420391413.2U CN204003471U (en) | 2014-07-15 | 2014-07-15 | A kind of rotary compressor and spring-fixed structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420391413.2U CN204003471U (en) | 2014-07-15 | 2014-07-15 | A kind of rotary compressor and spring-fixed structure thereof |
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| Publication Number | Publication Date |
|---|---|
| CN204003471U true CN204003471U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420391413.2U Expired - Fee Related CN204003471U (en) | 2014-07-15 | 2014-07-15 | A kind of rotary compressor and spring-fixed structure thereof |
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| CN (1) | CN204003471U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061165A (en) * | 2014-07-15 | 2014-09-24 | 珠海凌达压缩机有限公司 | Rotary compressor and spring fixing structure thereof |
-
2014
- 2014-07-15 CN CN201420391413.2U patent/CN204003471U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061165A (en) * | 2014-07-15 | 2014-09-24 | 珠海凌达压缩机有限公司 | Rotary compressor and spring fixing structure thereof |
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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: 20141210 Termination date: 20210715 |
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| CF01 | Termination of patent right due to non-payment of annual fee |