CN220204729U - High-pressure hard sealing fixed ball valve - Google Patents
High-pressure hard sealing fixed ball valve Download PDFInfo
- Publication number
- CN220204729U CN220204729U CN202321736241.3U CN202321736241U CN220204729U CN 220204729 U CN220204729 U CN 220204729U CN 202321736241 U CN202321736241 U CN 202321736241U CN 220204729 U CN220204729 U CN 220204729U
- Authority
- CN
- China
- Prior art keywords
- valve
- middle body
- integrated part
- cover plate
- fixed ball
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- 238000007789 sealing Methods 0.000 title claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000004140 cleaning Methods 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003208 petroleum Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Abstract
The utility model discloses a high-pressure hard sealing fixed ball valve which comprises a valve middle body, wherein a ball rod integrated part is arranged in the middle of the valve middle body, a valve seat is arranged between the valve middle body and the ball rod integrated part, valve side plates are arranged on two sides of the valve middle body, a valve cover plate is arranged above the valve middle body, sealing mechanisms are arranged on the valve seat, the valve side plates and the valve cover plate, and a cleaning mechanism is arranged at the bottom of the ball rod integrated part. According to the utility model, the bottom of the club integrated part is inserted into the inner cavity of the valve middle body in a sliding manner, the sealing performance is ensured by the annular sealing ring and the lip sealing ring, the club integrated part rotates in the inner cavity of the valve middle body, so that a channel at the bottom of the club integrated part is communicated with a flow channel of the valve middle body, water flows through the longitudinal pressure relief holes and the transverse pressure relief holes, the inner cavity space is flushed, solid particles cannot be gathered, the attachment of particles is reduced, the abrasion of the ball valve is reduced, and the stability of the fixed ball valve is ensured.
Description
Technical Field
The utility model relates to the field of ball valves, in particular to a high-pressure hard seal fixed ball valve.
Background
The sealing reliability of petroleum equipment is a prerequisite for ensuring smooth development of petroleum resources in the face of high-pressure petroleum exploitation under various complex conditions, and the ball valve can realize rapid cutting-off due to the superior sealing performance and compact space structure, and is widely applied to process systems.
In the oil gas exploitation process, the inside of the pipeline inevitably has silt, solid particles and the like to block the ball seat for sealing, the particle environment can obstruct the movement of the hard sealing ball valve seat, the abrupt increase of torque is easy to cause, the abrasion of the sealing surface is accelerated, the abrasion of the ball seat surface is aggravated, the internal leakage of the valve is caused, and the service life of the valve is reduced.
Disclosure of Invention
The utility model aims to provide a high-pressure hard sealing fixed ball valve so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-pressure hard sealing fixed ball valve comprises a valve middle body, wherein a ball rod integrated part is arranged in the middle of the valve middle body, a valve seat is arranged between the valve middle body and the ball rod integrated part, valve side plates are arranged on two sides of the valve middle body, and a valve cover plate is arranged above the valve middle body;
the valve seat, the valve side plate and the valve cover plate are provided with sealing mechanisms for improving the sealing performance of the inner wall of the fixed ball valve;
the bottom of the club integrated part is provided with a cleaning mechanism for flushing the inner cavity of the valve middle body;
and a fixing mechanism is arranged among the valve middle body, the club integrated piece, the valve seat, the valve side plate and the valve cover plate and used for ensuring the stability of the fixed ball valve.
Preferably, the sealing mechanism comprises a plurality of annular sealing rings, a plurality of grooves are formed among the valve seat, the valve side plate and the inner wall of the valve cover plate, the inner cavities of the grooves are connected with the annular sealing rings in a sliding penetrating mode, and lip-shaped sealing rings are arranged at the bottom of the inner wall of the valve cover plate.
Preferably, the cleaning mechanism comprises a transverse pressure relief hole, the transverse pressure relief hole is formed in the bottom of the club integrated part, a longitudinal pressure relief hole is formed in the bottom of the club integrated part, and the longitudinal pressure relief hole and the transverse pressure relief hole are arranged in a cross shape.
Preferably, the fixing mechanism comprises a plurality of bolts, one ends of the bolts are fixedly connected with two sides of the outer wall of the valve middle body, one ends of the bolts are connected with one side of the valve side plate in a sliding penetrating mode, and nuts are connected with one ends of the bolts in a threaded penetrating mode.
Preferably, the upper surface of valve apron is provided with the spacing dish, sliding interlude is connected with the hexagon socket head cap screw on the spacing dish, hexagon socket head cap screw's bottom and valve apron slide interlude are connected, hexagon socket head cap screw's bottom and the top screw thread interlude of the valve midbody are connected.
Preferably, a disc spring is arranged between the valve seat and the valve side plate, and the disc spring is arranged in the inner cavity of the valve middle body.
The utility model has the technical effects and advantages that:
according to the utility model, by means of the arrangement mode that the valve middle body, the ball rod integrated piece, the annular sealing ring, the lip-shaped sealing ring, the longitudinal pressure relief hole and the transverse pressure relief hole are matched, the bottom of the ball rod integrated piece is inserted into the inner cavity of the valve middle body in a sliding manner, the tightness is ensured among the valve middle body, the ball rod integrated piece, the valve seat, the valve side plate and the valve cover plate by the annular sealing ring and the lip-shaped sealing ring, the ball rod integrated piece rotates in the inner cavity of the valve middle body, a channel at the bottom of the ball rod integrated piece is communicated with a channel of the valve middle body, water flows through the longitudinal pressure relief hole and the transverse pressure relief hole, the inner cavity space is flushed, solid particles cannot be gathered, the spherical surface of the ball rod integrated piece is self-cleaned, the attachment of particles is reduced, the abrasion of the ball valve is reduced, and the stability of the fixed ball valve is ensured.
Drawings
FIG. 1 is a schematic side view of the valve body of the present utility model.
FIG. 2 is a schematic diagram of a front cross-sectional structure of a valve body of the present utility model.
Fig. 3 is an enlarged schematic view of the structure of fig. 2 at a.
FIG. 4 is a schematic view of a front cross-sectional structure of a club body of the present utility model.
In the figure: 1. a valve middle body; 2. a club integral piece; 3. a valve seat; 4. a valve side plate; 5. a valve cover plate; 6. a sealing mechanism; 61. an annular seal ring; 62. a lip seal; 7. a cleaning mechanism; 71. a transverse pressure relief hole; 72. a longitudinal pressure relief hole; 8. a fixing mechanism; 81. a bolt; 82. a nut; 83. a limiting disc; 84. an inner hexagon screw; 9. a disc spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a high-pressure hard sealing fixed ball valve as shown in figures 1-4, which comprises a valve middle body 1, wherein the valve middle body 1 is a main body of a fixed ball valve and is used for installing a ball rod integrated part 2, the ball rod integrated part 2 is arranged in the middle of the valve middle body 1, the outer wall of the ball rod integrated part 2 is tightly attached to the inner wall of the valve middle body 1 and is used for controlling the opening and closing of the ball valve, a valve seat 3 is arranged between the valve middle body 1 and the ball rod integrated part 2, the valve seat 3 is used for installing the ball rod integrated part 2, valve side plates 4 are arranged on two sides of the valve middle body 1, the valve side plates 4 are used for installing two sides of the valve middle body 1, a valve cover plate 5 is arranged above the valve middle body 1 and is used for sealing the top of the valve middle body 1, the ball rod integrated part 2 is in an integrated structure, the coaxiality between an upper shaft and a lower shaft is ensured, the precision of the matching of a ball body and a valve seat is improved, the opening and closing torque of the valve seat is reduced, the stability of a sealing pair formed by the ball body is ensured, and the sealing performance of the valve is improved;
the valve seat 3, the valve side plate 4 and the valve cover plate 5 are provided with a sealing mechanism 6 for improving the sealing performance of the inner wall of the fixed ball valve;
the bottom of the club integrated part 2 is provided with a cleaning mechanism 7 for flushing the inner cavity of the valve middle body 1;
a fixing mechanism 8 is arranged among the valve middle body 1, the club integrated part 2, the valve seat 3, the valve side plate 4 and the valve cover plate 5 and used for ensuring the stability of the fixed ball valve;
the sealing mechanism 6 comprises a plurality of annular sealing rings 61, the annular sealing rings 61 are made of rubber materials and are arranged in an O shape, a plurality of grooves are formed between the valve seat 3, the valve side plate 4 and the inner wall of the valve cover plate 5, the inner cavities of the grooves are connected with the annular sealing rings 61 in a sliding and penetrating mode, the inner wall of the annular sealing rings 61 is attached to the outer wall of the club integrated part 2 and the inner wall of the valve middle body 1, the tightness among the valve middle body, the club integrated part 2, the valve seat 3, the valve side plate 4 and the valve cover plate 5 is improved, leakage phenomena are prevented, movement of particles is hindered, a lip-shaped sealing ring 62 is arranged at the bottom of the inner wall of the valve cover plate 5, the bottom layer U-shaped of the lip-shaped sealing ring 62 is arranged, the inner wall is attached to the outer wall of the middle part of the club integrated part 2, and the outer wall is attached to the inner wall of the valve cover plate 5, and the tightness is guaranteed;
the cleaning mechanism 7 comprises a transverse pressure relief hole 71, the transverse pressure relief hole 71 is formed in the bottom of the club integrated part 2, the bottom of the club integrated part 2 is provided with a longitudinal pressure relief hole 72, the longitudinal pressure relief hole 72 and the transverse pressure relief hole 71 are in cross-shaped arrangement, the middle parts of the inner cavities of the longitudinal pressure relief hole 72 and the transverse pressure relief hole 71 are communicated, a channel at the bottom of the club integrated part 2 is communicated with a flow channel of the valve middle body 1 through rotating the club integrated part 2, when the valve is fully opened, the pressure difference formed by the pressure of the medium in the valve inner cavity and the flow channel is formed, water flows through the longitudinal pressure relief hole 72 and the transverse pressure relief hole 71, and the inner cavity space is flushed, so that the inner self-cleaning function is achieved;
the fixing mechanism 8 comprises a plurality of bolts 81, one ends of the bolts 81 are fixedly connected with two sides of the outer wall of the valve middle body 1, one ends of the bolts 81 are connected with one side of the valve side plates 4 in a sliding penetrating manner, the two valve side plates 4 are connected with two sides of the valve main body 1 through the bolts 81, one ends of the bolts 81 are connected with nuts 82 in a threaded penetrating manner, one ends of the nuts 82 are rotated at one ends of the bolts 81 to enable one ends of the nuts 82 to squeeze the outer wall of one side of the valve side plates 4, the valve side plates 4 and the valve middle body 1 are fixedly installed, the valve side plates 4 squeeze and fix the valve seat 3, and the valve seat 3 is stably installed in an inner cavity of the valve middle body 1;
the upper surface of the valve cover plate 5 is provided with a limit disc 83, the lower surface of the limit disc 83 is attached to the upper surface of the valve cover plate 5, the valve cover plate 5 is fixed, the limit disc 83 is connected with an inner hexagon screw 84 in a sliding and inserting mode, the bottom of the inner hexagon screw 84 is connected with the valve cover plate 5 in a sliding and inserting mode, the bottom of the inner hexagon screw 84 is connected with the top of the valve middle body 1 in a threaded and inserting mode, and the limit disc 83, the valve cover plate 5 and the valve middle body 1 are fixed through rotating and screwing the inner hexagon screw 84;
a disc spring 9 is arranged between the valve seat 3 and the valve side plate 4, and the disc spring 9 is arranged in the inner cavity of the valve middle body 1.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The high-pressure hard sealing fixed ball valve comprises a valve middle body (1), and is characterized in that a ball rod integrated part (2) is arranged in the middle of the valve middle body (1), a valve seat (3) is arranged between the valve middle body (1) and the ball rod integrated part (2), valve side plates (4) are arranged on two sides of the valve middle body (1), and a valve cover plate (5) is arranged above the valve middle body (1);
the valve seat (3), the valve side plate (4) and the valve cover plate (5) are provided with sealing mechanisms (6) for improving the sealing performance of the inner wall of the fixed ball valve;
the bottom of the club integrated part (2) is provided with a cleaning mechanism (7) for flushing the inner cavity of the valve middle body (1);
and a fixing mechanism (8) is arranged between the valve middle body (1), the ball rod integrated piece (2), the valve seat (3), the valve side plate (4) and the valve cover plate (5) and used for ensuring the stability of the fixed ball valve.
2. The high-pressure hard seal fixed ball valve according to claim 1, wherein the sealing mechanism (6) comprises a plurality of annular sealing rings (61), a plurality of grooves are formed among the valve seat (3), the valve side plate (4) and the inner wall of the valve cover plate (5), the inner cavities of the grooves are connected with the annular sealing rings (61) in a sliding penetrating way, and lip-shaped sealing rings (62) are arranged at the bottom of the inner wall of the valve cover plate (5).
3. The high-pressure hard sealing fixed ball valve according to claim 1, wherein the cleaning mechanism (7) comprises a transverse pressure relief hole (71), the transverse pressure relief hole (71) is formed in the bottom of the club integrated part (2), a longitudinal pressure relief hole (72) is formed in the bottom of the club integrated part (2), and the longitudinal pressure relief hole (72) and the transverse pressure relief hole (71) are in a crisscross arrangement.
4. The high-pressure hard sealing fixed ball valve according to claim 1, wherein the fixing mechanism (8) comprises a plurality of bolts (81), one end of each bolt (81) is fixedly connected with two sides of the outer wall of the valve middle body (1), one end of each bolt (81) is slidably inserted and connected with one side of the valve side plate (4), and one end of each bolt (81) is in threaded insertion and connection with a nut (82).
5. The high-pressure hard sealing fixed ball valve according to claim 1, wherein a limit disc (83) is arranged on the upper surface of the valve cover plate (5), an inner hexagon screw (84) is connected to the limit disc (83) in a sliding penetrating mode, the bottom of the inner hexagon screw (84) is connected to the valve cover plate (5) in a sliding penetrating mode, and the bottom of the inner hexagon screw (84) is connected to the top of the valve middle body (1) in a threaded penetrating mode.
6. The high-pressure hard sealing fixed ball valve according to claim 1, wherein a disc spring (9) is arranged between the valve seat (3) and the valve side plate (4), and the disc spring (9) is arranged in the inner cavity of the valve middle body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321736241.3U CN220204729U (en) | 2023-07-04 | 2023-07-04 | High-pressure hard sealing fixed ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321736241.3U CN220204729U (en) | 2023-07-04 | 2023-07-04 | High-pressure hard sealing fixed ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204729U true CN220204729U (en) | 2023-12-19 |
Family
ID=89145519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321736241.3U Active CN220204729U (en) | 2023-07-04 | 2023-07-04 | High-pressure hard sealing fixed ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204729U (en) |
-
2023
- 2023-07-04 CN CN202321736241.3U patent/CN220204729U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |