CN203421209U - Automatically-controlled special ball valve - Google Patents
Automatically-controlled special ball valve Download PDFInfo
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- CN203421209U CN203421209U CN201320467087.4U CN201320467087U CN203421209U CN 203421209 U CN203421209 U CN 203421209U CN 201320467087 U CN201320467087 U CN 201320467087U CN 203421209 U CN203421209 U CN 203421209U
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- valve
- ball
- seal ring
- sealing ring
- automatically
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Abstract
The utility model relates to an automatically-controlled special ball valve which comprises a valve body, a valve ball, a valve rod, a valve rod sealing mechanism and a valve seat sealing ring. The valve ball is installed in the valve body, the inner end of the valve rod is embedded in the upper end of the valve ball, the valve rod sealing mechanism is installed on the valve rod, and the valve seat sealing ring is installed at the positions, between the valve base and the valve ball, of the two ends inside the valve body, of. The automatically-controlled special ball valve is characterized in that the valve seat sealing ring is composed of an elastic sealing ring and a hard sealing ring, the arc face of the outer side of the hard sealing ring is in close contact with the surface of the valve ball, and the elastic sealing ring is installed on the inner side of the hard sealing ring. The automatically-controlled special ball valve has the advantages that detection of the relevant departments shows that the number of the opening/closing times is not less than 100 thousands, the largest number of the opening/closing times is 500 thousands, the durability is good, the automatically-controlled special ball valve is suitable for the automatically-controlled industry, requirements for processed materials and processing processes are not high, and the high design requirements can be met through the same processing processes.
Description
Technical field
This patent relates to a kind of Novel water-saving ball valve, is mainly used in the switch of water route or other liquid lines.
Background technique
The structure of common liquid ball valve mainly comprises valve body, spool, valve rod, sealing gasket and upper cover, Sealing between its valve rod and valve body generally adopts filler or pad, and its major defect is to use after certain hour, sealing gasket wearing and tearing, sealability is damaged, and causes fluid seepage.In use, water can increase of heap of stone due to the friction between spheroid and valve body simultaneously, uses valve in rotary course, and stall phenomenon easily occurs.
Summary of the invention
The utility model object is to provide a kind of automatic control ball-valve dedicated, to solve after the use certain hour that prior art exists, and sealing gasket wearing and tearing, sealability is damaged, and causes fluid seepage; In use, water can increase of heap of stone due to the friction between spheroid and valve body simultaneously, uses valve in rotary course, and the problem of stall phenomenon easily occurs.
The technical solution of the utility model is: a kind of automatic control ball-valve dedicated, comprise valve body, valve ball, valve rod, valve stem seal mechanism and valve seat insert, valve ball is installed in valve body, and the upper end of valve ball is embedded in the inner of valve rod, and valve stem seal mechanism is housed on valve rod; In valve body, between the valve seat at two ends and valve ball, valve seat insert is housed, it is characterized in that, described valve seat insert is comprised of elastic seal ring and hard seal ring, and cambered surface and the ball surface close contact in the outside of hard seal ring, be equipped with elastic seal ring in the inner side of this hard seal ring.
Described elastic seal ring is O type circle, adopts silica gel to make; Described hard seal ring adopts teflon to make.
Exterior angle at described hard seal ring is provided with arc groove, and described elastic seal ring is located between this groove and the interior angle of valve seat.
The utility model has the advantages that: through relevant departments, detect, ON/OFF is not less than 100,000 times, reach as high as 500,000 times, good endurance, the control industry of applicable automation; Not high to Material Processing and technological requirement, identical processing technology can reach very high designing requirement.
Accompanying drawing explanation
Fig. 1 is axial sectional view of the present utility model.
Embodiment
Referring to Fig. 1, a kind of automatic control ball-valve dedicated of the utility model, comprise valve body 1, valve ball 4, valve rod 7, valve stem seal mechanism and valve seat insert, at the interior installation valve ball 4 of valve body 1, the upper end of valve ball 4 is embedded in the inner of valve rod 7, valve stem seal mechanism (comprising locking cap 8, spring 9, pad 10, is routine techniques) is housed on valve rod 7 and between the inner side of the upper end-hole of valve body 1.Between the valve seat 11 at valve body 1 interior two ends and valve ball 4, valve seat insert is housed.It is characterized in that, described valve seat insert is comprised of elastic seal ring 2 and hard seal ring 3, the cambered surface in the outside of hard seal ring 3 coordinates close contact with valve ball 4 surface slidings, in the inner side of this hard seal ring 3 (and between interior angle of valve seat 11), elastic seal ring 2 is housed.
Described elastic seal ring 2 is O type circle, adopts silica gel to make; Described hard seal ring 3 adopts teflon to make.
Exterior angle at described hard seal ring 3 is provided with arc groove, and described elastic seal ring 2 is located between this groove and the interior angle of valve seat 11.
Feature of the present utility model is, between valve ball 4 and valve seat 11, elastic seal ring 2 and the hard two-layer seal ring of seal ring 3, consists of, and wherein hard seal ring 3 is teflon material; Elastic seal ring 2 is O type circle, adopts silica gel material.In the rotary course of valve ball 4, utilize the wear resistance of the hard seal ring 3 of teflon material, make it directly and the Surface Contact of valve ball 4, long service life; Utilize the elasticity of elastic seal ring 2, while being subject to the extruding of valve ball 4, having and have certain telescopic resilience, thereby better guarantee that valve ball 4 avoids in rotary course occurring that card turns phenomenon, can also increase the sealing of ball valve simultaneously.
The use of automatic control ball-valve dedicated of the present utility model need to have higher requirement, one place contacting with valve body lower portion at spring 9 increases by a pad 10, so just reduced the resistance of valve in rotation process, also have valve ball 4 and the two-layer elastic seal ring 2 of the employing between valve seat 11 and the hard two-layer seal ring of seal ring 3 at valve, the place of close spheroid is that employing polytetrafluoro is the material that adopts silica gel near valve body dimly.So just reduced the frictional force of seal ring to spheroid.Due to so this series products generally all adopts motorized motions to require to turn round to refuse can be excessive.In patent using process, find, select the spring 9 of stainless steel can increase the working life of product.
Claims (3)
1. automatically control a ball-valve dedicated, comprise valve body, valve ball, valve rod, valve stem seal mechanism and valve seat insert, valve ball is installed in valve body, the upper end of valve ball is embedded in the inner of valve rod, and valve stem seal mechanism is housed on valve rod; In valve body, between the valve seat at two ends and valve ball, valve seat insert is housed, it is characterized in that, described valve seat insert is comprised of elastic seal ring and hard seal ring, and cambered surface and the ball surface close contact in the outside of hard seal ring, be equipped with elastic seal ring in the inner side of this hard seal ring.
2. automatic control ball-valve dedicated according to claim 1, is characterized in that, described elastic seal ring is O type circle, adopts silica gel to make; Described hard seal ring adopts teflon to make.
3. automatic control ball-valve dedicated according to claim 2, is characterized in that, at the exterior angle of described hard seal ring, is provided with arc groove, and described elastic seal ring is located between this groove and the interior angle of valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467087.4U CN203421209U (en) | 2013-08-02 | 2013-08-02 | Automatically-controlled special ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467087.4U CN203421209U (en) | 2013-08-02 | 2013-08-02 | Automatically-controlled special ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203421209U true CN203421209U (en) | 2014-02-05 |
Family
ID=50020308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320467087.4U Expired - Fee Related CN203421209U (en) | 2013-08-02 | 2013-08-02 | Automatically-controlled special ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203421209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357034A (en) * | 2018-12-13 | 2019-02-19 | 哈尔滨新中新电子股份有限公司 | A kind of control water non-return valve |
-
2013
- 2013-08-02 CN CN201320467087.4U patent/CN203421209U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357034A (en) * | 2018-12-13 | 2019-02-19 | 哈尔滨新中新电子股份有限公司 | A kind of control water non-return valve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20160802 |