CN2201539Y - Single spring prepressing valve - Google Patents
Single spring prepressing valve Download PDFInfo
- Publication number
- CN2201539Y CN2201539Y CN 94236634 CN94236634U CN2201539Y CN 2201539 Y CN2201539 Y CN 2201539Y CN 94236634 CN94236634 CN 94236634 CN 94236634 U CN94236634 U CN 94236634U CN 2201539 Y CN2201539 Y CN 2201539Y
- Authority
- CN
- China
- Prior art keywords
- valve
- ball
- single spring
- spring
- valve ball
- 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 relates to a single spring prepressing valve, comprising a valve body 3, a valve ball 8, and a valve rod 5 for controlling the rotation of the valve ball 8. The single spring prepressing valve is characterized in that A spring 2 which prepresses and tightly gores the valve ball is arranged in the valve body. Due to the fact that a spring prepressing valve is adopted, and a slide key 10 is matched on a closing direction to slide, and therefore, the valve ball and a sealing pad 7 on an outlet position on the valve body are tightly matched. The valve ball and the sealing pad 7 can be still kept favorable matching under the condition of the sealing pad is commonly abraded. The single spring prepressing valve has no air leakage and liquid leakage phenomenon, and the service life of the single spring prepressing valve is long.
Description
The utility model relates to a kind of monomer control fluid valve, particularly a kind of ball valve of turning.
The existing ball valve of turning generally constitutes by valve body, valve ball and handle with sleeve, accuracy of manufacturing height, processed complex, cost of production height, to making unlatching, closing ball valve very easily, seldom be used for family, particularly valve ball cooperate with valve seal poor slightly, very easily cause leakage, gas leak phenomenon, and under the excessive situation of incoming pressure, can cause ball valve to damage.
The purpose of this utility model designs a kind of simple, easy to use exactly, good sealing effect, easily single spring precompression valve of producing.
The purpose of this utility model realizes that by following structure monomer spring precompression valve includes: the valve rod that valve body, valve ball, control valve ball rotate, and its major character is: have precompressed to hold out against the spring of valve ball in valve body; Pre-pressure of the spring acts on the valve ball during use, and valve ball compresses the outlet port sealing gasket, makes it tight contact.
P＝N.S＋P
1
P represents sealing load, and N represents to import pressure, and S expresses open area, P
1The expression pre-pressure of the spring.
As seen, sealing load increases with the increase of input pressure, promptly imports big more valve ball of pressure and exit seal pad and presses tightly more from following formula, and sealing effect is good more, can not produce the phenomenon of leakage.Because between valve ball and the valve rod is to be cooperated by the feather key on the valve rod.Valve ball turns to when closing (chute is vertical) position, therefore, has under the situation of general wearing and tearing at sealing gasket and valve ball, and sealing is not had influence, guarantees working life.
The utility model compared with prior art has simple in structure, and is easy to use, good sealing effect, and long service life, low cost of manufacture, advantages such as no dropping liquid, gas leak phenomenon are fit to various gas, liquid pipeline control use.
Description of drawings of the present utility model is as follows:
Fig. 1, be structural representation of the present utility model;
Among the figure: 1 gland (bringing mouth into); 2 springs; 3 valve bodies; 4 seal valves; 5 valve rods; 6 handles; 7 sealings; 8 valve balls; 9 seal rings, 10 feather keys.
The utility model is described in further detail below in conjunction with accompanying drawing:
The utility model includes valve 3, valve ball 8, and the valve rod 5 and the handle 6 of the rotation of control valve ball, it is characterized in that: gland 3 plays liquid entering hole, while is as the supporting holddown spring of spring 2, spring 2 is pressed on the valve ball 8, and precompression acts on sealing gasket 7, handle 6 control valve rods 5, cooperate for feather key 10 between valve rod 5 and the valve ball, rotate with valve rod 5 control valve balls 8, make it to realize closing and opening, valve ball can be ball or scarce ball.
Claims (5)
1, a kind of monomer spring precompression valve includes the valve rod (5) that valve body (3), valve ball (8) and control valve ball rotate, and it is characterized in that: have precompressed to hold out against the spring (2) of valve ball in valve body.
2, monomer spring precompression valve as claimed in claim 1 is characterized in that: the opening gland (1) that holddown spring is arranged in valve body inlet.
3, monomer spring precompression valve as claimed in claim 1 is characterized in that valve ball is a ball.
4, monomer spring precompression valve as claimed in claim 1 is characterized in that valve ball is to lack ball.
5, the monomer spring as claimed in claim 1 precompressed valve of turning is characterized in that: between valve ball and the valve rod is to be connected by the feather key on the valve rod (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94236634 CN2201539Y (en) | 1994-06-06 | 1994-06-06 | Single spring prepressing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94236634 CN2201539Y (en) | 1994-06-06 | 1994-06-06 | Single spring prepressing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2201539Y true CN2201539Y (en) | 1995-06-21 |
Family
ID=33844547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94236634 Expired - Fee Related CN2201539Y (en) | 1994-06-06 | 1994-06-06 | Single spring prepressing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2201539Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384123A (en) * | 2011-10-27 | 2012-03-21 | 周泰经 | Energy-saving proportional valve |
| CN109237056A (en) * | 2018-10-25 | 2019-01-18 | 太重集团榆次液压工业有限公司 | A kind of plug-in precompression valve |
-
1994
- 1994-06-06 CN CN 94236634 patent/CN2201539Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384123A (en) * | 2011-10-27 | 2012-03-21 | 周泰经 | Energy-saving proportional valve |
| CN109237056A (en) * | 2018-10-25 | 2019-01-18 | 太重集团榆次液压工业有限公司 | A kind of plug-in precompression valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |