CN201462057U - Three-piece high-pressure low-torque ball valve - Google Patents
Three-piece high-pressure low-torque ball valve Download PDFInfo
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- CN201462057U CN201462057U CN2009201240740U CN200920124074U CN201462057U CN 201462057 U CN201462057 U CN 201462057U CN 2009201240740 U CN2009201240740 U CN 2009201240740U CN 200920124074 U CN200920124074 U CN 200920124074U CN 201462057 U CN201462057 U CN 201462057U
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Abstract
The utility model relates to a three-piece high-pressure low-torque ball valve, which comprises a valve body, cover covers, a valve core, a valve rod and an operating mechanism, wherein the valve covers are arranged at the left and the right sides of the valve body; a valve seat and a sealing gasket are arranged between the valve body and the valve covers at the two sides of the valve body; the valve seat and the sealing gasket can be detachably and fixedly connected; one end of the valve rod is arranged in the valve body and is connected with the valve core, and the other end thereof is connected with the operating mechanism. The ball valve is characterized in that one end surface of the valve body laminated with the valve covers is provided with a location boss, and the other end surface matched with the end surface is correspondingly provided with a location hole; and the location boss is inserted into the location hole to form the concave-convex match. The ball valve has the beneficial effects that with the adoption of the structures of the location boss and the location hole, the valve body and the valve covers can be precisely located fast, so that the redundant interference torque can not generated in the valve body, thereby effectively ensuring the operating torque of the valve and improving the assembling benefit of the valve body and the valve covers, so as to lower the production cost.
Description
Technical field
The utility model relates to a kind of valve, relates to a kind of three pieces type height in particular and forces down the moment of torsion ball valve, is mainly used in the various pipes systems engineering.
Background technique
At present, the three pieces type ball valve mainly includes valve body, is installed on the valve gap of the valve body left and right sides, spool, valve rod and operating device, for the counterface that prevents valve body and valve gap leaks, valve seat and sealing gasket are installed between described valve body and the both sides valve gap and fixedly connected by stud, for making things convenient for manufacturing, existing valve seat and sealing gasket are structure as a whole, and described valve rod one end places in the valve body and links to each other with spool, and its other end links to each other with operating device; The valve body of existing three pieces type ball valve and both sides valve gap are when assembling, be to locate by the earhole that stud passes on valve gap and the valve body, and since the earhole diameter greater than the stud diameter, influence the location of valve body and both sides valve gap like this, make valve body and both sides valve gap not on same central axis, thus the open and close torque of intensifying valve, and to guarantee that valve body and valve gap are on the same axis, then must adopt manual synchronizing, its working efficiency is lower and improved cost of production like this; Secondly, existing valve seat and sealing gasket are structure as a whole, its rear end face width degree is wideer than front width, and because valve seat is a movable sealing structure, and sealing gasket is a static seal structure, owing to be subjected to the influence of various factorss such as machining accuracy, when making valve seat reach desirable sealing state, do not reach seal request and seal to pay somebody's debt and expect repayment later, thereby just certainly will strengthen the impacting force of sealing, and when sealing gasket reaches desirable sealing state, be subjected to the influence of impacting force, frictional force between spool and the valve seat is increased, thereby strengthened the moment of torsion of valve opening and closing.
Summary of the invention
When assembling, valve body and valve gap be difficult for the location in order to solve, cause working efficiency to hang down technical problems such as reaching the intensifying valve open and close torque, the utility model provides a kind of three pieces type height to force down the moment of torsion ball valve, it is reasonable in design, simple in structure, can make the location of valve body and valve gap quickly and easily, reduce the operation torque force; Simultaneously, also can solve, cause the technical problems such as moment of torsion increase of valve opening and closing because of valve seat and sealing gasket spool and the frictional force between the valve seat that causes that is structure as a whole increases.
For solving above technical problem, the technological scheme that the utility model is taked is that a kind of three pieces type height forces down the moment of torsion ball valve, include valve body, be installed on valve gap, spool, valve rod and the operating device of the valve body left and right sides, valve seat and sealing gasket and dismountable fixedlying connected are installed between described valve body and the both sides valve gap, described valve rod one end places in the valve body and links to each other with spool, and its other end links to each other with operating device; It is characterized in that the wherein end face that described valve body and valve gap fit is provided with positioning boss, and be correspondingly provided with a positioning hole on the other end that this end face matches, described positioning boss inserts and constitutes concavo-convex cooperation in the positioning hole.
Further, described positioning boss and positioning hole and the coaxial setting of valve gap passage.
Further, described positioning boss circularizes shape and is fixed on the end face of valve gap, this annular positioning boss inserts and constitutes concavo-convex cooperation in the inner chamber of valve body and by stud valve gap and valve body are fastenedly connected, and described body cavity constitutes described positioning hole.
Further, be provided with annular groove in the circular orientation boss of described valve gap end face, described valve seat shape is complementary with it and places in the annular groove.
Further, described valve channel mouth place is provided with a containing groove, and described sealing gasket places in the containing groove, and one end and containing groove bottom fit, and its other end compresses to cooperate with the valve gap end face and forms sealing.
Further, the described valve gap that is installed on the valve body both sides is symmetrical.
The beneficial effects of the utility model are to adopt positioning boss and positioning hole structure, can accurately locate valve body and valve gap fast, make and can not produce unnecessary interference moment of torsion in the valve body, thereby the working efficiency in the time of can effectively guaranteeing the operation moment of torsion of valve and improve valve body to assemble with valve gap reduces production costs.
Description of drawings
Fig. 1 forces down the sectional structure chart of moment of torsion ball valve for a kind of three pieces type height of the utility model embodiment
Fig. 2 is the three-dimensional reference drawing of the utility model embodiment valve gap
Fig. 3 is the three-dimensional reference drawing of the utility model embodiment valve body
Specific embodiments
Below in conjunction with accompanying drawing the utility model mode of execution is described further:
As shown in Figure 1 to Figure 3, a kind of three pieces type height of the utility model forces down the moment of torsion ball valve, include valve body 1, be installed on valve gap 2, spool 3, valve rod 4 and the operating device 5 of valve body 1 left and right sides, valve seat 6 and sealing gasket 7 and dismountable fixedlying connected are installed between described valve body 1 and the both sides valve gap 2, described valve rod 4 one ends place in the valve body 1 and link to each other with spool 3, and its other end links to each other with operating device 5; When assembling with valve gap 2, valve body 1 is difficult for the location in order to solve, cause working efficiency to hang down technical problems such as reaching the intensifying valve open and close torque, described valve body 1 is provided with positioning boss 22 with the wherein end face that valve gap 2 fits, with be correspondingly provided with a positioning hole 11 on the other end that this end face matches, described positioning boss 22 inserts and constitutes concavo-convex cooperation in the positioning hole 11, adopt this structure, can accurately locate valve body 1 and valve gap 2 fast, make and can not produce unnecessary interference moment of torsion in the valve body 1, thereby the working efficiency in the time of can effectively guaranteeing the operation moment of torsion of valve and improve valve body 1 with valve gap 2 assemblings reduces production costs.
In the present embodiment, can be in coaxial state when making things convenient for valve body 1 with valve gap 2 assemblings, reduce the operation torque force of valve, described positioning boss 22 and positioning hole 11 and the 21 coaxial settings of valve gap 2 passages, adopt coaxial setting, when assembling, just can avoid because of technical problems such as valve body 1 and the increasings of the caused valve operation moment of torsion of valve gap 2 disalignments.
In the present embodiment, for easily and fast valve body 1 and valve gap 2 being positioned, working efficiency when improving assembling, described positioning boss 22 circularizes shape and is fixed on the end face of valve gap 2, this annular positioning boss 22 inserts and constitutes concavo-convex cooperation in the inner chamber of valve bodies 1 and by stud 10 valve gap 2 and valve body 1 are fastenedly connected, certainly, positioning boss 22 also can be arranged on the counterface of valve body 1, described valve body 1 inner chamber constitutes described positioning hole 11, adopt this structure, when assembling, will just can realize the location of valve body 1 and valve gap 2 fast and can guarantee that also it is in coaxial state in positioning boss 22 insertion valve bodies 1 inner chamber, thereby the working efficiency in the time of can improving assembling, reduce manual synchronizing, reduce production costs; Certainly, also can not adopt annular positioning boss 22 modes, such as adopt cylinder and circular hole mode, and many group cylindrical bodys are set on valve body 1 end face, on the relevant position of valve gap 2 end faces, circular hole is set, insert in the circular hole by cylindrical body, can improve the assembling benefit to the quick location of valve body 1 equally with valve gap 2, but owing to adopt circular orientation boss 22 modes to be convenient to manufacturing, therefore, the mode of execution of present embodiment is a preferred implementation.
In the present embodiment, because valve seat 6 is structure as a whole with sealing gasket 7, its rear end face width degree is wideer than front width, for guaranteeing the sealability of valve seat 6 and sealing gasket 7, its impacting force is relatively large, cause the spool 3 and the surface friction drag of valve seat 6 to increase, thereby cause that the strain of operation moment of torsion phase is big, for reducing to operate moment of torsion, be provided with annular groove 23 in the annular boss 22 of described valve gap 2 end faces, the shape of described valve seat 6 is complementary with it and places in the annular groove 23, be provided with valve seat 6 and sealing gasket 7 split type, can effectively reduce the width of valve seat 6 ear end faces, thereby can reduce the impacting force of valve seat 6, the surface friction drag of corresponding reduction itself and spool 3 also can reduce the operation torque force of valve rod 4; Secondly valve seat 6 is placed in the annular groove 23, can be undertaken spacing by three faces of 23 pairs of valve seats 6 of annular groove, when spool 3 and valve seat 6 crush seals, valve seat 6 places three faces in the annular groove 23 to be limited, can not deform or the cold flow phenomenon, thereby can effectively guarantee valve seat 6 compression resistancies, be implemented in the proper functioning under the condition of high voltage, and under the situation of guaranteed performance, also can corresponding minimizing cost of material, improve the utilization ratio of material, therefore, the mode of execution of present embodiment is a preferred implementation.
In the present embodiment, because valve seat 6 and sealing gasket 7 are adopted the branch body structure, for making things convenient for the installation of sealing gasket 7, place, described valve body 1 passway is provided with a containing groove 12, described sealing gasket 7 places in the containing groove 12, one end and containing groove 12 bottoms fit, its the other end compresses to cooperate with valve gap 2 end faces and forms sealing, adopt this structure, can farthest make valve seat 6 consistent with the impacting force of sealing gasket 7, thereby in the time of can avoiding valve seat 6 to reach desirable sealing state, and sealing gasket 7 does not also reach seal request, so not only can guarantee the sealability of sealing gasket 7, simultaneously, also can reduce because of the inconsistent raising that causes valve rod 4 operation moments of torsion of the valve seat 6 and the impacting force of sealing gasket 7, therefore, the mode of execution of present embodiment is a preferred implementation.
In the present embodiment, the convenient processing for valve gap 2 reduces production costs, and the described valve gap 2 that is installed on valve body 1 both sides is symmetrical, and employing is symmetrical arranged, and can reduce the mould input and can correspondingly reduce production costs.
In the present embodiment, which kind of mode of operation described operating device 5 can specifically adopt for manual, pneumatic, hydraulic electric mode, can decide according to user's request.
The foregoing description should not be considered as restriction of the present utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection domain of the present utility model.
Claims (6)
1. a three pieces type height forces down the moment of torsion ball valve, include valve body, be installed on valve gap, spool, valve rod and the operating device of the valve body left and right sides, valve seat and sealing gasket and dismountable fixedlying connected are installed between described valve body and the both sides valve gap, described valve rod one end places in the valve body and links to each other with spool, and its other end links to each other with operating device; It is characterized in that the wherein end face that described valve body and valve gap fit is provided with positioning boss, and be correspondingly provided with a positioning hole on the other end that this end face matches, described positioning boss inserts and constitutes concavo-convex cooperation in the positioning hole.
2. a kind of three pieces type height according to claim 1 forces down the moment of torsion ball valve, it is characterized in that described positioning boss and positioning hole and the coaxial setting of valve gap passage.
3. a kind of three pieces type height according to claim 2 forces down the moment of torsion ball valve, it is characterized in that described positioning boss circularizes shape and is fixed on the end face of valve gap, this annular positioning boss inserts and constitutes concavo-convex cooperation in the inner chamber of valve body and by stud valve gap and valve body are fastenedly connected, and described body cavity constitutes described positioning hole.
4. a kind of three pieces type height according to claim 3 forces down the moment of torsion ball valve, it is characterized in that being provided with annular groove in the circular orientation boss of described valve gap end face, and described valve seat shape is complementary with it and places in the annular groove.
5. a kind of three pieces type height according to claim 4 forces down the moment of torsion ball valve, it is characterized in that described valve channel mouth place is provided with a containing groove, described sealing gasket places in the containing groove, and one end and containing groove bottom fit, and its other end compresses to cooperate with the valve gap end face and forms sealing.
6. a kind of three pieces type height according to claim 5 forces down the moment of torsion ball valve, it is characterized in that the described valve gap that is installed on the valve body both sides is symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201240740U CN201462057U (en) | 2009-07-03 | 2009-07-03 | Three-piece high-pressure low-torque ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201240740U CN201462057U (en) | 2009-07-03 | 2009-07-03 | Three-piece high-pressure low-torque ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201462057U true CN201462057U (en) | 2010-05-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201240740U Expired - Fee Related CN201462057U (en) | 2009-07-03 | 2009-07-03 | Three-piece high-pressure low-torque ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201462057U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130124958A (en) * | 2010-12-08 | 2013-11-15 | 카메론 인터내셔널 코포레이션 | Ball valve |
-
2009
- 2009-07-03 CN CN2009201240740U patent/CN201462057U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130124958A (en) * | 2010-12-08 | 2013-11-15 | 카메론 인터내셔널 코포레이션 | Ball valve |
| KR102047557B1 (en) * | 2010-12-08 | 2019-11-21 | 카메론 테크놀로지스 리미티드 | Ball valve |
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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: 20100512 Termination date: 20130703 |