CN202228771U - Universal coupling of air valve - Google Patents
Universal coupling of air valve Download PDFInfo
- Publication number
- CN202228771U CN202228771U CN2011203960404U CN201120396040U CN202228771U CN 202228771 U CN202228771 U CN 202228771U CN 2011203960404 U CN2011203960404 U CN 2011203960404U CN 201120396040 U CN201120396040 U CN 201120396040U CN 202228771 U CN202228771 U CN 202228771U
- Authority
- CN
- China
- Prior art keywords
- universal coupling
- air valve
- ball head
- shape circle
- sphere
- 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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Abstract
The utility model provides a universal coupling of an air valve, comprising a ball head rod and a drive piston with a spherical inner cavity which is in sliding fit with the spherical surface at the ball head end of the ball head rod, wherein an O-shaped ring is arranged in a circular groove at an opening of the spherical inner cavity of the drive piston; an O-shaped check ring is arranged at the fixing opening end; and the inner aperture of the O-shaped ring is less than the diameter of the ball head. The universal coupling has the advantages that driving forces from complex directions are translated into a force driving the piston to run on straight line by means of a simplified disconnection-preventing structure; the structure is easy to implement; the coupling friction is not increased no matter the ball head rod is in which direction; and the running efficiency is high.
Description
Technical field
The utility model relates to the mechanical coupling that complicated orientation driving force is converted into the control of air valve linear drives.
Background technique
Air valve work is controlled by the change of cylinder internal air pressure.The driven plunger that cooperates with cylinder stressed mainly contains straight line motion or rotatablely moves; But in some special application fields, the stressed meeting of one valve driving piston derives from the complicated and uncertain forms of motion in orientation, adopts universal coupling can complicated drive form be converted into the linear drives form of rule; The composition member of universal coupling comprises endosphere and ball cavity shell; For avoiding endosphere from the ball cavity shell, to deviate from, the structures that the flexible liner layer is set in the ball cavity shell that adopt in the existing technology during bulb pressure ball cavity shell more; Ball cavity shell inside liner is extruded the generation resiliently deformable, and this resiliently deformable has limited bulb and deviate from from the ball cavity shell.This type of mode of structure package assembly is comparatively complicated, and packaging technology is required than higher, and small modified difference all can increase the sphere contact friction greatly.
Summary of the invention
The goal of the invention of the utility model is to provide a kind of bulb anti-loose structure simple air valve universal coupling.The air valve universal coupling technological scheme that the utility model provides; Its major technique content is: a kind of air valve universal coupling; Comprise ball rod and have the be slidingly matched driven plunger of sphere inner chamber of bulb end sphere with ball rod; The annular groove at driven plunger sphere lumen openings place is built-in with O shape circle, and the permanent opening end is provided with O shape circle back-up ring, and bore is less than the bulb diameter in the O shape circle.
In above-mentioned overall technical architecture, driven plunger sphere lumen openings place is provided with the stepped shaft annular groove that pursues the rank flaring from inside to outside, and it is stacked that O shape circle from the inside to the outside is turriform.
The air valve universal coupling technological scheme that the utility model provides; Can be directly with coming from the linear movement that the complicated driving force in orientation is converted into driven plunger; Has structure construction technical characterstic simple, easy to implement; Improved anti-drop function, which direction ball rod is in can not increase the joint friction, and running efficiency is high.
Description of drawings
Accompanying drawing is the general assembly structural drawing of the utility model.
Embodiment
The disclosed air valve universal coupling of the utility model; Its structure is shown in accompanying drawing; It comprises ball rod 3; Have with the be slidingly matched pole 1 of sphere inner chamber of the bulb end sphere of ball rod 3 and be fixedly connected the driven plunger that constitutes air valve with piston cock body 5 screw threads, the annular groove at the sphere lumen openings place of pole 1 is built-in with the O shape circle back-up ring 4 of O shape circle 2 and permanent opening end, and bore is less than the bulb diameter in the O shape circle.In order to enlarge ball rod active orientation scope, in the accompanying drawing example structure, driven plunger sphere lumen openings place is provided with the stepped shaft annular groove by the rank flaring from inside to outside, and it is stacked that each O shape circle 2 from the inside to the outside is turriform.
Claims (2)
1. air valve universal coupling; Comprise ball rod and have the be slidingly matched driven plunger of sphere inner chamber of bulb end sphere with ball rod; The annular groove that it is characterized in that driven plunger sphere lumen openings place is built-in with O shape circle; The permanent opening end is provided with O shape circle back-up ring, and bore is less than the bulb diameter in the O shape circle.
2. air valve universal coupling according to claim 1 is characterized in that driven plunger sphere lumen openings place is provided with the stepped shaft annular groove by the rank flaring from inside to outside, and it is stacked that O shape circle from the inside to the outside is turriform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203960404U CN202228771U (en) | 2011-10-15 | 2011-10-15 | Universal coupling of air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203960404U CN202228771U (en) | 2011-10-15 | 2011-10-15 | Universal coupling of air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202228771U true CN202228771U (en) | 2012-05-23 |
Family
ID=46079357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203960404U Expired - Fee Related CN202228771U (en) | 2011-10-15 | 2011-10-15 | Universal coupling of air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202228771U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763819A (en) * | 2014-01-02 | 2015-07-08 | 浙江盾安机械有限公司 | Flow path switching valve |
| CN106090046A (en) * | 2016-08-17 | 2016-11-09 | 上海烟草集团有限责任公司 | The straight universal ball joint of self-regulated |
-
2011
- 2011-10-15 CN CN2011203960404U patent/CN202228771U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763819A (en) * | 2014-01-02 | 2015-07-08 | 浙江盾安机械有限公司 | Flow path switching valve |
| CN106090046A (en) * | 2016-08-17 | 2016-11-09 | 上海烟草集团有限责任公司 | The straight universal ball joint of self-regulated |
| CN106090046B (en) * | 2016-08-17 | 2018-07-31 | 上海烟草集团有限责任公司 | The straight universal ball joint of self-regulated |
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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: 20120523 Termination date: 20121015 |