CN201851313U - Air valve of reciprocating compressor - Google Patents
Air valve of reciprocating compressor Download PDFInfo
- Publication number
- CN201851313U CN201851313U CN2010205569232U CN201020556923U CN201851313U CN 201851313 U CN201851313 U CN 201851313U CN 2010205569232 U CN2010205569232 U CN 2010205569232U CN 201020556923 U CN201020556923 U CN 201020556923U CN 201851313 U CN201851313 U CN 201851313U
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- CN
- China
- Prior art keywords
- elastic element
- air valve
- spring
- barrel
- helical spring
- 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
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- Check Valves (AREA)
Abstract
The utility model discloses an air valve of a reciprocating compressor, which comprises a valve seat, an opening-closing element, an elastic element and a lift limiter, wherein the elastic element adopts a barrel-shaped helical spring, and the diameter of the rotating surfaces at both ends of the elastic element is smaller than that of the rotating surface in the middle of the elastic element. The provided elastic element adopts the barrel-shaped helical spring, the characteristic line of the spring is incremental, the rigidity of the spring is enhanced along with the increase of load, the force applied to the opening-closing element by the elastic element is favorably reduced when the air valve is fully closed, the natural vibration frequency is also a variable, and the anti-resonance capability is higher, so that the elastic element for the air valve adopts the barrel-shaped helical spring instead of the cylindrical helical spring, the service life and the security of the elastic element are favorably prolonged and enhanced, the law of motion of the air valve is further optimized, the reliability of the air valve is enhanced, and the energy consumption of the air valve is reduced.
Description
Technical field
The utility model relates to a kind of air valve of reciprocal compressor, elastic element especially wherein.
Background technique
The air valve of reciprocal compressor generally comprises valve seat, opens and closes element, elastic element and lift limiter, and elastic element is a most important part in the air valve, and its performance directly influences the working life and the energy loss of air valve.The characteristic of elastic element is mainly determined by its structure, desirable air valve elastic element should be to become rigidity, for example during the air valve full cut-off elastic element act on the power that opens and closes on the element should be less, during the air valve standard-sized sheet elastic element act on the power that opens and closes on the element should be bigger.But in the prior art, the elastic element of the air valve of reciprocal compressor generally adopts cylindrically coiled spring, the characteristic line of this spring is a straight line type, its rigidity does not change with loads change, this is unfavorable for the optimization of the air valve characteristics of motion, also can produce harmful effect to the working life and the energy loss of air valve.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of air valve of reciprocal compressor, and the rigidity of the elastic element in this air valve can increase along with the increase of load.
For this reason, the air valve of the reciprocal compressor that the utility model provides, comprise valve seat, open and close element, elastic element, lift limiter, elastic element is a barrel-shaped spring, and the diameter of the two ends surface of revolution of elastic element is less than the diameter of surface of revolution in the middle of the elastic element.
Because the elastic element that the utility model provides is a barrel-shaped spring, the characteristic line of its spring is cumulative type, the rigidity of spring increases along with the increase of load, elastic element acts on the power that opens and closes on the element when helping reducing the air valve full cut-off, and its natural frequency of vibration also is a variate, the anti-resonance ability is stronger, therefore the elastic element with air valve changes working life and the Security that camber screw thread spring helps improving elastic element into by cylindrical helical spring, and then the characteristics of motion of optimization air valve, improve the reliability of air valve, reduce the energy consumption of air valve.
Description of drawings
The partial structurtes schematic representation of the air valve of the reciprocal compressor that provides for the utility model among the figure.
Embodiment
As shown in the figure, the air valve of the reciprocal compressor that the utility model provides comprises valve seat 1, opens and closes element 2, elastic element 3, lift limiter 4, elastic element 3 is a barrel-shaped spring, the diameter of the two ends surface of revolution of elastic element 3 is less than the diameter of surface of revolution in the middle of the elastic element 3, the sectional shape of spring material is generally circle, also can adopt non-circular as the spring material sectional shape.
Claims (1)
1. the air valve of a reciprocal compressor, comprise valve seat (1), open and close element (2), elastic element (3), lift limiter (4), it is characterized in that: elastic element (3) is a barrel-shaped spring, and the diameter of the two ends surface of revolution of elastic element (3) is less than the diameter of surface of revolution in the middle of the elastic element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205569232U CN201851313U (en) | 2010-10-07 | 2010-10-07 | Air valve of reciprocating compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205569232U CN201851313U (en) | 2010-10-07 | 2010-10-07 | Air valve of reciprocating compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201851313U true CN201851313U (en) | 2011-06-01 |
Family
ID=44093708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205569232U Expired - Fee Related CN201851313U (en) | 2010-10-07 | 2010-10-07 | Air valve of reciprocating compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201851313U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174625A (en) * | 2011-12-22 | 2013-06-26 | 诺沃皮尼奥内有限公司 | Valves with valve closing member attached to the actuated counter-seat and related methods |
-
2010
- 2010-10-07 CN CN2010205569232U patent/CN201851313U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174625A (en) * | 2011-12-22 | 2013-06-26 | 诺沃皮尼奥内有限公司 | Valves with valve closing member attached to the actuated counter-seat and related methods |
| US10253765B2 (en) | 2011-12-22 | 2019-04-09 | Nuovo Pignone S.P.A. | Valves with valve closing member attached to the actuated counter-seat and related methods |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20111007 |