CN204126837U - Piston compressor and the rotating mechanism for piston compressor - Google Patents
Piston compressor and the rotating mechanism for piston compressor Download PDFInfo
- Publication number
- CN204126837U CN204126837U CN201420388851.3U CN201420388851U CN204126837U CN 204126837 U CN204126837 U CN 204126837U CN 201420388851 U CN201420388851 U CN 201420388851U CN 204126837 U CN204126837 U CN 204126837U
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- piston compressor
- eccentric roll
- piston
- rotating mechanism
- axle
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model relates to a kind of piston compressor and a kind of rotating mechanism for piston compressor.Described piston compressor comprises support, in support, makes the piston of reciprocatory motion and the rotating mechanism for making piston do reciprocatory motion, wherein, described rotating mechanism by axle and not the eccentric roll be arranged on rotatably on this axle form.In described piston compressor, eliminate the complicated and crank mechanism that cost is high of processing technology, utilize the rotation of eccentric roll to realize the reciprocatory motion of piston.
Description
Technical field
The utility model relates to a kind of piston compressor, and described piston compressor comprises support, in support, makes the piston of reciprocatory motion and the rotating mechanism for making piston do reciprocatory motion.In addition, the utility model also relates to a kind of rotating mechanism for piston compressor, and this rotating mechanism is used for making piston do reciprocatory motion in piston compressor.
Background technique
In existing piston compressor, rotating mechanism is made up of bent axle and utilizes the eccentric rotary of crankshaft crank to carry out drivening rod motion, thus makes piston do reciprocatory motion in the support of piston compressor.The plane that bent axle contacts with the support of piston compressor is used as thrust surface, if or bearing, such as ball bearing is provided with between bent axle and support, then the plane of bent axle and bearing touch is used as thrust surface, this thrust surface plays axial thrust effect when compressor bears axial force, prevents bent axle play vertically.In this scheme known by prior art, first need to carry out eccentric processing to crankshaft crank, also need to process the thrust surface of bent axle simultaneously.The equipment investment of Crankshaft Machining is large, and processed complex degree is high.
Model utility content
The purpose of this utility model is to provide a kind of piston compressor of improvement and a kind of rotating mechanism for piston compressor, and it can overcome the complicated and defect that cost is high of crankshaft crank eccentric processing and crankshaft thrust face processing technology in prior art.
Described object is achieved according to piston compressor of the present utility model by one, described piston compressor comprises support, in support, makes the piston of reciprocatory motion and the rotating mechanism for making piston do reciprocatory motion, wherein, described rotating mechanism by axle and not the eccentric roll be arranged on rotatably on this axle form.Crankshaft eccentric is replaced according to piston compressor roller bias of the present utility model, the rotation of eccentric roll is utilized to realize the reciprocatory motion of piston, eliminate the complicated and crank mechanism that cost is high of processing technology, thus manufacture and the cost of production of piston compressor can be reduced.
According to a kind of preferred implementation of piston compressor of the present utility model, described axle is connected with described eccentric roll key.Preferably, described eccentric roll is provided with a hole relative to roller centre eccentric axis, the inwall in this hole is provided with the keyway extended vertically, and on the outer circumferential face of described axle, is provided with the keyway that vertically extends corresponding with the keyway of eccentric roll.Key inserts in the keyway of eccentric roll and the keyway of corresponding axle, makes the mutual key of eccentric roll and axle be connected and can not relatively rotate.The processing of keyway is simple and cost is low, thus can reduce the manufacture cost of piston compressor.In addition, key connects the reliable connection that can also ensure eccentric roll and axle.
According to another preferred implementation of piston compressor of the present utility model, the plane that described eccentric roll contacts with the support of piston compressor is as axial thrust face.Preferably, if be provided with bearing, such as ball bearing between the support and eccentric roll of piston compressor, then described eccentric roll and be arranged on the bearing touch between the support of piston compressor and eccentric roll plane as axial thrust face.When compressor is subject to axial force at work, the effect of axial thrust is played in this axial thrust face, prevents axle and the eccentric roll play vertically of rotating mechanism.Compared with the processing of crankshaft thrust face of the prior art, the thrust surface processing technology of eccentric roll is simple and cost is low.
According to another preferred implementation of piston compressor of the present utility model, described eccentric roll is connected with piston by linkage mechanism.
The utility model also relates to a kind of rotating mechanism for piston compressor, described piston compressor comprises support and in support, makes the piston of reciprocatory motion, wherein, described rotating mechanism is by axle be not arranged on forming for the eccentric roll making piston do reciprocatory motion on this axle rotatably.Utilize the rotation of eccentric roll to realize the reciprocatory motion of piston according to the rotating mechanism of piston compressor of the present utility model, eliminate the complicated and crank mechanism that cost is high of processing technology.
According to a kind of preferred implementation of the rotating mechanism for piston compressor of the present utility model, described axle is connected with described eccentric roll key.Preferably, described eccentric roll is provided with a hole relative to roller centre eccentric axis, the inwall in this hole is provided with the keyway extended vertically, and on the outer circumferential face of described axle, is provided with the keyway that vertically extends corresponding with the keyway of eccentric roll.Key inserts in the keyway of eccentric roll and the keyway of corresponding axle, makes the mutual key of eccentric roll and axle be connected and can not relatively rotate.
According to another preferred implementation of the rotating mechanism for piston compressor of the present utility model, the plane that described eccentric roll contacts with the support of piston compressor is as axial thrust face.Preferably, if be provided with bearing, such as ball bearing between the support and eccentric roll of piston compressor, then described eccentric roll and be arranged on the bearing touch between the support of piston compressor and eccentric roll plane as axial thrust face.
Have employed the processing of the eccentric and keyway of more easy roller according to the rotating mechanism for piston compressor of the present utility model, and can the reciprocatory motion realizing piston under eccentric rotary and the constant prerequisite of axial thrust function ensured.
Accompanying drawing explanation
The embodiment of piston compressor of the present utility model and the rotating mechanism for piston compressor is explained in detail below in conjunction with accompanying drawing.In accompanying drawing:
Fig. 1 shows a kind of piston compressor known by prior art;
Fig. 2 shows the piston compressor according to a kind of preferred implementation of the utility model;
Fig. 3 shows the rotating mechanism for piston compressor in Fig. 2;
Fig. 4 a and Fig. 4 b shows the eccentric roll of the eccentric roll rotating mechanism in Fig. 2 respectively with front view and plan view;
Fig. 5 a and Fig. 5 b shows the axle of the eccentric roll rotating mechanism in Fig. 2 respectively with front view and plan view.
Embodiment
Fig. 1 shows a kind of piston compressor 7 known by prior art, it comprises support 8, linkage mechanism 10, in support 8, makes the piston 9 of reciprocatory motion and the rotating mechanism for making piston do reciprocatory motion, this rotating mechanism is made up of bent axle 11, utilize the eccentric rotary drivening rod 10 of crankshaft crank to move, thus drive piston 9 to do reciprocatory motion.The plane that bent axle 11 contacts with support 8 is used as thrust surface 12, and this thrust surface plays axial thrust effect when compressor is subject to axial force at work, prevents the upper and lower play of bent axle.
Fig. 2 shows the piston compressor according to a kind of preferred implementation of the utility model.The rotating mechanism 1 of this piston compressor is made up of axle 3 and the eccentric roll 2 be not arranged on rotatably on this axle 3.In this embodiment, replace crankshaft eccentric of the prior art by roller bias, eliminate the high and crank mechanism that cost is high of processing technology complexity in prior art.When piston compressor works, axle 3 drives eccentric roll 2 to rotate, and eccentric roll 2 drivening rod mechanism 10 moves simultaneously, thus realizes the reciprocatory motion of piston 9.The plane that eccentric roll 2 contacts with support 8 is as axial thrust face 6.If be provided with bearing, such as ball bearing between support 8 and eccentric roll 2, be then that the plane of eccentric roll and bearing touch is as axial thrust face.When piston compressor is subject to axial force at work, the effect of axial thrust is played in described axial thrust face 6, prevents axle 3 and eccentric roll 2 play vertically of rotating mechanism.
Fig. 3 shows the rotating mechanism 1 for piston compressor in Fig. 2.Described rotating mechanism 1 is made up of axle 3 and the eccentric roll 2 that can not be arranged on the relative rotation on axle 3, and wherein, axle 3 is connected with eccentric roll 2 key.Described rotating mechanism 1 utilizes the rotation of eccentric roll 2 to realize the reciprocatory motion of piston 9 in the support 8 of compressor.
Fig. 4 a and Fig. 4 b show separately the eccentric roll 2 of the rotating mechanism in Fig. 2 respectively with front view and sectional view.As seen from the figure, described eccentric roll 2 is provided with a hole relative to roller centre eccentric axis, and the inwall in this hole is provided with the keyway 4 extended on the partial-length in hole vertically.
Fig. 5 a and Fig. 5 b show separately the axle 3 of the rotating mechanism in Fig. 2 respectively with front view and sectional view.The outer circumferential face of described axle 3 is provided with a keyway extended on the partial-length of axle vertically 5, and this keyway is corresponding with the keyway 4 on eccentric roll.
Key inserts in the keyway 4 of eccentric roll and the keyway 5 of the axle corresponded simultaneously, thus makes eccentric roll 2 and the mutual reliably key of axle 3 be connected and guarantee that they can not relatively rotate.Relative to the processing of bent axle in prior art, the processing of keyway 4,5 is simple and cost is low, can reduce the manufacture cost of the rotating mechanism for piston compressor thus.
Claims (11)
1. piston compressor, described piston compressor comprises support (8), in support (8), makes the piston (9) of reciprocatory motion and the rotating mechanism (1) for making piston do reciprocatory motion, it is characterized in that, described rotating mechanism (1) is made up of axle (3) and the eccentric roll (2) be not arranged on rotatably on this axle.
2. piston compressor according to claim 1, is characterized in that, described axle (3) is connected with described eccentric roll (2) key.
3. piston compressor according to claim 2, it is characterized in that, described eccentric roll (2) is provided with a hole relative to its center axis, the inwall in this hole is provided with the keyway (4) extended vertically, and on the outer circumferential face of described axle (3), is provided with the keyway (5) that vertically extends corresponding with the keyway (4) of eccentric roll (2).
4. piston compressor according to any one of claim 1 to 3, is characterized in that, the plane that described eccentric roll (2) contacts with the support (8) of piston compressor is as axial thrust face (6).
5. piston compressor according to any one of claim 1 to 3, it is characterized in that, described eccentric roll (2) and be arranged on the bearing touch between the support (8) of piston compressor and eccentric roll (2) plane as axial thrust face.
6. piston compressor according to any one of claim 1 to 3, is characterized in that, described eccentric roll (2) is connected with piston (9) by linkage mechanism (10).
7. for the rotating mechanism of piston compressor, described piston compressor comprises support (8) and in support (8), makes the piston (9) of reciprocatory motion, it is characterized in that, described rotating mechanism (1) is by axle (3) and be not arranged on forming for the eccentric roll (2) making piston do reciprocatory motion on this axle rotatably.
8. rotating mechanism according to claim 7, is characterized in that, described axle (3) is connected with described eccentric roll (2) key.
9. rotating mechanism according to claim 8, it is characterized in that, described eccentric roll (2) is provided with a hole relative to its center axis, the inwall in this hole is provided with the keyway (4) extended vertically, and on the outer circumferential face of described axle (3), is provided with the keyway (5) that vertically extends corresponding with the keyway (4) of eccentric roll (2).
10. the rotating mechanism according to any one of claim 7 to 9, is characterized in that, the plane that described eccentric roll (2) contacts with the support (8) of piston compressor is as axial thrust face (6).
11. rotating mechanisms according to any one of claim 7 to 9, it is characterized in that, described eccentric roll (2) and be arranged on the bearing touch between the support (8) of piston compressor and eccentric roll (2) plane as axial thrust face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420388851.3U CN204126837U (en) | 2014-07-11 | 2014-07-11 | Piston compressor and the rotating mechanism for piston compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420388851.3U CN204126837U (en) | 2014-07-11 | 2014-07-11 | Piston compressor and the rotating mechanism for piston compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204126837U true CN204126837U (en) | 2015-01-28 |
Family
ID=52383199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420388851.3U Expired - Lifetime CN204126837U (en) | 2014-07-11 | 2014-07-11 | Piston compressor and the rotating mechanism for piston compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204126837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332114A (en) * | 2019-06-10 | 2019-10-15 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor pump structure, assembly method and rotor compressor |
-
2014
- 2014-07-11 CN CN201420388851.3U patent/CN204126837U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332114A (en) * | 2019-06-10 | 2019-10-15 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor pump structure, assembly method and rotor compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 101312 No. 29, Yuhua Road, B District, Tianzhu Airport Industrial Zone, Beijing, Shunyi District Patentee after: Nedco compressor (Beijing) Co.,Ltd. Address before: 101312 No. 29, Yuhua Road, B District, Tianzhu Airport Industrial Zone, Beijing, Shunyi District Patentee before: BEIJING EMBRACO SNOWFLAKE COMPRESSOR Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150128 |
|
| CX01 | Expiry of patent term |