CN202746619U - Ball body supporting device for floating ball valves - Google Patents
Ball body supporting device for floating ball valves Download PDFInfo
- Publication number
- CN202746619U CN202746619U CN 201220345959 CN201220345959U CN202746619U CN 202746619 U CN202746619 U CN 202746619U CN 201220345959 CN201220345959 CN 201220345959 CN 201220345959 U CN201220345959 U CN 201220345959U CN 202746619 U CN202746619 U CN 202746619U
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- CN
- China
- Prior art keywords
- spheroid
- valve seat
- support
- valve
- ball body
- 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 - Lifetime
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Abstract
The utility model discloses a ball body supporting device for floating ball valves, which comprises a valve body and a ball body, wherein the ball body is arranged in the valve body, the valve body at the bottom of the ball body is provided with a ball body supporting device, the ball body supporting device comprises a ball body supporting valve seat, a fixed bracket, a bracket nut and an adjusting bolt, the valve body at the bottom of the ball body is provided with a step hole with a small inner part and a large outer part, the fixed bracket is arranged in the small hole of the step hole, the ball body supporting valve seat is arranged on the fixed bracket, the ball body supporting valve seat is overlapped with the ball body, a thread is arranged in the large hole of the step hole, the bracket nut is in threaded connection with the large hole of the step hole, the middle part of the bracket nut is in threaded connection with the adjusting bolt, and the adjusting bolt is overlapped with the fixed bracket. According to the ball body supporting device for floating ball valves, disclosed by the utility model, an adjustable ball body supporting valve seat made of soft materials is additionally arranged at the bottom of the ball body, so that the double effects that the ball body is fixed at low pressure and floats at high pressure are achieved, thereby preventing the valve seat from deforming, reducing the abrasion of the valve seat, reducing the operating torque and prolonging the service life.
Description
Technical field
The utility model relates to a kind of internal structure of ball valve, relates in particular to a kind of bigbore floating ball valve spheroid support device.
Background technique
The spheroid of floating ball valve floats, under the pressure medium effect, spheroid can produce certain displacement and be pressed on the sealing surface of outlet end, the sealing of assurance outlet end, floating ball ball valve simple in structure, good airproof performance, existing bigbore floating ball valve, the spheroid that comprises valve body and valve inner, ball suspending bear the spheroid deadweight by the valve seat on the valve body in valve body, the spheroid of heavy caliber floating ball valve is heavy, it is large that valve seat bears the suffered moment of torsion of spheroid, causes the valve seat distortion after long-time, shortens the working life of ball valve.
The model utility content
The purpose of this utility model is to provide a kind of bigbore floating ball valve spheroid support device, solved existing bigbore floating ball valve, bear the spheroid deadweight by the valve seat on the valve body, the spheroid of heavy caliber floating ball valve is heavy, it is large that valve seat bears the suffered moment of torsion of spheroid, cause the valve seat distortion after long-time, shorten the problem in the working life of ball valve.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
A kind of floating ball valve spheroid support device, the spheroid that comprises valve body and valve inner, be provided with the spheroid support device on the valve body of described spheroid bottom, the spheroid support device comprises that spheroid supports valve seat, fixed support, support nut and adjusting bolt, be provided with inner small and outside big shoulder hole on the valve body of spheroid bottom, be provided with fixed support in the aperture of shoulder hole, be provided with spheroid on the fixed support and support valve seat, spheroid supports valve seat and spheroid overlap joint, has screw thread in the macropore of shoulder hole, the support nut links with the macropore screw thread of shoulder hole, the adjusting bolt that has been threaded in the middle part of the support nut, adjusting bolt and fixed support overlap joint.This floating ball valve spheroid support device increases adjustable spheroid in the spheroid bottom and supports valve seat, spheroid supports valve seat and changes conveniently, by the conveniently adjusted spheroid sutaining valve seat supports spheroid that makes of adjusting bolt, make valve seat need not to bear spheroid weight, realize the double effects that spheroid low pressure is fixing and high pressure floats, prevent the valve seat distortion, reduce the prooving of valve seat, reduce the operation moment of torsion, increase the service life.
As preferably, be provided with stuffing box packing between the fixed support of the macropore inboard of described shoulder hole and support nut.This structure increases floating ball valve spheroid support device sealing, prevents that the valve body internal air pressure from leaking.
As preferably, locking nut has been threaded on the adjusting bolt between described support nut and adjusting bolt.Be convenient to lock adjusting bolt by locking nut, prevent from rotating after adjusting bolt from adjusting the position.
As preferably, it is soft materials that described spheroid supports valve seat, and it is the circular arc that matches with spherome surface that spheroid supports the surface that valve seat contacts with spheroid.Be convenient to spheroid by this structure and support valve seat stable support spheroid.
As preferably, the aperture of described shoulder hole is at the outside opening in the inboard place of valve body, and opening cooperates with the contact surface of spheroid support valve seat.Be convenient to the valve body supporting sephere by this structure and support valve seat.
The beneficial effects of the utility model are: this floating ball valve spheroid support device increases the spheroid regulated that uses flexible material in the spheroid bottom and supports valve seat, realize the double effects that spheroid low pressure is fixing and high pressure floats, prevent the valve seat distortion, reduce the prooving of valve seat, reduce the operation moment of torsion, increase the service life.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Among the figure: 1, valve body, 2, spheroid, 3, spheroid supports valve seat, 4, stuffing box packing, 5, fixed support, 6, the support nut, 7, locking nut, 8, adjusting bolt.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described specifically:
Embodiment: as shown in Figure 1, a kind of floating ball valve spheroid support device, the spheroid 2 that comprises valve body 1 and valve inner, be provided with the spheroid support device on the valve body of spheroid bottom, the spheroid support device comprises that spheroid supports valve seat 3, fixed support 5, support nut 6 and adjusting bolt 8, be provided with inner small and outside big shoulder hole on the valve body of spheroid bottom, be provided with fixed support in the aperture of shoulder hole, be provided with spheroid on the fixed support and support valve seat, spheroid supports valve seat and spheroid overlap joint, has screw thread in the macropore of shoulder hole, the support nut links with the macropore screw thread of shoulder hole, adjusting bolt has been threaded in the middle part of the support nut, adjusting bolt and fixed support overlap joint, be provided with stuffing box packing 4 between the fixed support of the macropore inboard of shoulder hole and support nut, locking nut 7 has been threaded on the adjusting bolt between support nut and adjusting bolt, it is soft materials that spheroid supports valve seat, the surface that spheroid support valve seat contacts with spheroid is the circular arc that matches with spherome surface, the aperture of shoulder hole is at the outside opening in the inboard place of valve body, and opening cooperates with the contact surface that spheroid supports valve seat.
This floating ball valve spheroid support device increases the spheroid regulated that uses flexible material in the spheroid bottom and supports valve seat, spheroid supports valve seat and changes conveniently, by the conveniently adjusted spheroid sutaining valve seat supports spheroid that makes of adjusting bolt, make valve seat need not to bear spheroid weight, realize the double effects that spheroid low pressure is fixing and high pressure floats, prevent the valve seat distortion, reduce the prooving of valve seat, reduce the operation moment of torsion, increase the service life.
Above-described embodiment is a kind of better scheme of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technological scheme that claim puts down in writing.
Claims (5)
1. floating ball valve spheroid support device, the spheroid that comprises valve body and valve inner, it is characterized in that, be provided with the spheroid support device on the valve body of described spheroid bottom, the spheroid support device comprises that spheroid supports valve seat, fixed support, support nut and adjusting bolt, be provided with inner small and outside big shoulder hole on the valve body of spheroid bottom, be provided with fixed support in the aperture of shoulder hole, be provided with spheroid on the fixed support and support valve seat, spheroid supports valve seat and spheroid overlap joint, has screw thread in the macropore of shoulder hole, and the support nut links with the macropore screw thread of shoulder hole, adjusting bolt, adjusting bolt and fixed support overlap joint have been threaded in the middle part of the support nut.
2. floating ball valve spheroid support device according to claim 1 is characterized in that, is provided with stuffing box packing between the fixed support of the macropore inboard of described shoulder hole and support nut.
3. floating ball valve spheroid support device according to claim 1 is characterized in that, locking nut has been threaded on the adjusting bolt between described support nut and adjusting bolt.
4. floating ball valve spheroid support device according to claim 1 is characterized in that, it is soft materials that described spheroid supports valve seat, and the surface that spheroid support valve seat contacts with spheroid is the circular arc that matches with spherome surface.
5. floating ball valve spheroid support device according to claim 1 is characterized in that, the aperture of described shoulder hole is at the outside opening in the inboard place of valve body, and opening cooperates with the contact surface that spheroid supports valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220345959 CN202746619U (en) | 2012-07-17 | 2012-07-17 | Ball body supporting device for floating ball valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220345959 CN202746619U (en) | 2012-07-17 | 2012-07-17 | Ball body supporting device for floating ball valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202746619U true CN202746619U (en) | 2013-02-20 |
Family
ID=47706018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220345959 Expired - Lifetime CN202746619U (en) | 2012-07-17 | 2012-07-17 | Ball body supporting device for floating ball valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202746619U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821963A (en) * | 2014-03-21 | 2014-05-28 | 青岛岩康塑料机械有限公司 | High-temperature connector |
| CN104384992A (en) * | 2014-11-19 | 2015-03-04 | 重庆富吉机械制造有限公司 | Floating support component |
-
2012
- 2012-07-17 CN CN 201220345959 patent/CN202746619U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821963A (en) * | 2014-03-21 | 2014-05-28 | 青岛岩康塑料机械有限公司 | High-temperature connector |
| CN104384992A (en) * | 2014-11-19 | 2015-03-04 | 重庆富吉机械制造有限公司 | Floating support component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |