CN211693541U - Throttle valve for throttle manifold - Google Patents
Throttle valve for throttle manifold Download PDFInfo
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- CN211693541U CN211693541U CN202020186859.7U CN202020186859U CN211693541U CN 211693541 U CN211693541 U CN 211693541U CN 202020186859 U CN202020186859 U CN 202020186859U CN 211693541 U CN211693541 U CN 211693541U
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- sealing block
- sealing
- valve rod
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Abstract
A throttle valve for a throttle manifold comprises a valve body, a valve rod and a rotating handle; a rotating handle is arranged on one side of the valve rod; a stop block is arranged on the other side of the valve rod; a cavity is arranged in the sealing block; the stop block is limited in a cavity of the sealing block; a compression spring is arranged between the stop block and the sealing block; the compression spring presses the sealing block to one side far away from the valve rod; the sealing block is arranged in the valve body; the utility model has the advantages that the compression spring extrudes the sealing block; buffering is performed through air flow scouring of the sealing block, and the service life of the throttling valve is prolonged.
Description
Technical Field
The utility model relates to a choke valve field, concretely relates to choke valve for choke manifold.
Background
In the process of petroleum drilling, each well must be provided with a set of throttle well killing device for controlling the underground pressure to reach the safe state of near-balance drilling, the throttle well killing device consists of a throttle manifold and a kill manifold, the underground pressure control is completed by the throttle manifold, the throttle valve is a key control element of the throttle manifold, but the throttle valve used by the currently used throttle manifold has the following defects: the throttle valve is easy to be washed and damaged by underground airflow, has short service life and cannot be completely closed.
SUMMERY OF THE UTILITY MODEL
To prior art not enough, the utility model provides a choke valve for choke manifold improves the life of choke valve, makes the choke valve can implement and close completely.
The utility model provides a following technical scheme:
a throttle valve for a throttle manifold comprises a valve body, a valve rod and a rotating handle; a rotating handle is arranged on one side of the valve rod; a stop block is arranged on the other side of the valve rod; a cavity is arranged in the sealing block; the stop block is limited in a cavity of the sealing block; a compression spring is arranged between the stop block and the sealing block; the compression spring presses the sealing block to one side far away from the valve rod; the sealing block is arranged in the valve body.
Preferably, a step surface is arranged in the cavity of the sealing block; the step surface is arranged on one side of the stop block away from the valve rod; when the throttle valve is completely closed, the stop block is attached to the step surface.
Preferably, the valve body is provided with a fluid outlet and a fluid inlet; the fluid outlet is perpendicular to the fluid inlet; the position of the fluid inlet corresponds to the position of the sealing block.
Preferably, one side of the sealing block, which is far away from the valve rod, is provided with a conical surface; a sealing sleeve is arranged in the valve body; the sealing sleeve is arranged at the fluid inlet; the sealing sleeve is funnel-shaped, and the conical surface of the sealing sleeve corresponds to the shape of the conical surface of the sealing block.
Preferably, the valve body comprises a first part, a second part and a third part; the first part is connected to one side of the second part; the third part is connected to the other side of the second part; the valve rod is in threaded connection with the first component; and a rotating handle is arranged on one side of the valve rod, which is far away from the valve body.
Preferably, a set screw is arranged on the first component; the set screw secures the valve stem to the first member.
Preferably, sealing gaskets are arranged between the first part and the second part and between the second part and the third part.
Compared with the prior art, the utility model has the advantages of it is following and effect:
in the utility model, one side of the valve rod is provided with a stop block which is limited in the cavity of the sealing block; the compression spring presses the sealing block to one side far away from the valve rod; buffering is performed through air flow scouring of the sealing block, and the service life of the throttling valve is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a cross-sectional view of a throttle valve for a throttle manifold of the present invention.
Fig. 2 is a partially enlarged view of fig. 1 according to the present invention.
In the figure: the device comprises a first component 1, a valve rod 2, a stop 21, a screw 3, a sealing ring 4, a second component 5, a sealing sleeve 6, a third component 7, a fluid inlet 8, a flange 9, a sealing gasket 10, a fluid outlet 11, a set screw 12, a wear-resistant guide sleeve 13, a rotating handle 14, a compression spring 15, a sealing block 16, a step surface 17 and an end cover 18.
Detailed Description
The utility model discloses a concrete implementation way does:
referring to fig. 1-2, a throttle valve for a throttle manifold includes a valve body, a valve rod 2, a rotating handle 14; the valve body comprises a first part 1, a second part 5 and a third part 7; the first part 1 is connected to one side of the second part 5; the third component 7 is connected to the other side of the second component 5, and the valve body is divided into three parts, so that the sealing sleeve 6 and the sealing block 16 can be conveniently installed; the valve rod 2 is connected with the first component 1 in a threaded mode; a rotating handle 14 is arranged on one side of the valve rod 2 away from the valve body; the valve rod 2 is vertically arranged.
A set screw 12 is arranged on the first component 1; the set screw 12 fixes the valve rod 2 on the first component 1 to prevent the valve rod 2 from loosening; sealing gaskets 10 are arranged between the first component 1 and the second component 5, and between the second component 5 and the third component 7, and leakage among the components is prevented by the sealing gaskets 10; a sealing ring 4 is sleeved outside the valve rod 2, the sealing ring 4 is limited in the first component 1, and leakage between the valve rod 2 and the first component 1 is prevented through the sealing ring 4; the first component 1 is connected with a wear-resistant guide sleeve 13; the wear-resistant guide sleeve 13 guides the movement of the valve rod 2.
A rotating handle 14 is arranged above the valve rod 2; a stop block 21 is arranged below the valve rod 2; a cavity is arranged in the sealing block 16; the stop 21 is confined in the cavity of the sealing block 16; an end cover 18 for limiting a stop block 21 is arranged above the cavity of the sealing block 16; a compression spring 15 is arranged between the stop block 21 and the sealing block 16; the compression spring 15 extrudes the sealing block 16 to one side far away from the valve rod, and the air flow washing of the sealing block 16 is used for buffering, so that the service life of the throttle valve is prolonged; the sealing block 16 is arranged in the second part 5; a step surface 17 is arranged in the cavity of the sealing block 16; the step surface 17 is arranged on one side of the stop block 21 far away from the valve rod; when the throttle valve is completely closed, the stop block 21 is attached to the step surface 17, so that the throttle valve can be completely closed, and the compression spring 15 is prevented from being plastically deformed in the complete closing process.
The valve body is provided with a fluid outlet 11 and a fluid inlet 8; the fluid outlet 11 and the fluid inlet 8 of the valve body are provided with flange plates; the fluid outlet 11 is arranged on the second part 5; the fluid inlet 8 is arranged on the third part 7; the fluid outlet 11 is vertical to the fluid inlet 8, so that the problems of large opening and closing torque of the throttle valve and easy flushing, breaking and damage of the valve are solved, and the service life is prolonged; the position of the fluid inlet 8 corresponds to the position of the sealing block 16; a conical surface is arranged on one side of the sealing block 16 away from the valve rod; a sealing sleeve 4 is arranged in the valve body; the sealing sleeve 4 is arranged at the fluid inlet; the sealing sleeve 4 is connected to the second component 5; the sealing sleeve 4 is funnel-shaped, and the conical surface of the sealing sleeve 4 corresponds to the shape of the conical surface of the sealing block 16, so that the sealing block 16 can completely seal the fluid inlet 8.
The working principle is as follows: the air flow in the pipeline flushes the sealing block 16, the compression spring 15 extrudes the sealing block 16 to one side far away from the valve rod, and the air flow flushing of the sealing block 16 is used for buffering, so that the service life of the throttling valve is prolonged; a worker rotates the rotating handle 14, and the rotating handle 14 drives the valve rod 2 to move downwards; the stop block 21 pushes the sealing block 16 downwards to move so as to realize the adjustment of the throttle valve; when the throttle valve needs to be completely closed, a worker rotates the valve rod 2; the stop block 21 is attached to the step surface 17 and pushes the sealing block 16 to move downwards; the conical surface of the sealing block 16 is attached to the conical surface of the sealing sleeve 4, so that the throttle valve is completely closed.
Although the present invention 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 in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A choke valve for a choke manifold, characterized by: comprises a valve body, a valve rod and a rotating handle; a rotating handle is arranged on one side of the valve rod; a stop block is arranged on the other side of the valve rod; a cavity is arranged in the sealing block; the stop block is limited in a cavity of the sealing block; a compression spring is arranged between the stop block and the sealing block; the compression spring presses the sealing block to one side far away from the valve rod; the sealing block is arranged in the valve body.
2. A choke valve for a choke manifold according to claim 1, characterized in that: a step surface is arranged in the cavity of the sealing block; the step surface is arranged on one side of the stop block away from the valve rod; when the throttle valve is completely closed, the stop block is attached to the step surface.
3. A choke valve for a choke manifold according to claim 1, characterized in that: the valve body is provided with a fluid outlet and a fluid inlet; the fluid outlet is perpendicular to the fluid inlet; the position of the fluid inlet corresponds to the position of the sealing block.
4. A choke valve for a choke manifold according to claim 3, characterized in that: one side of the sealing block, which is far away from the valve rod, is provided with a conical surface; a sealing sleeve is arranged in the valve body; the sealing sleeve is arranged at the fluid inlet; the sealing sleeve is funnel-shaped, and the conical surface of the sealing sleeve corresponds to the shape of the conical surface of the sealing block.
5. A choke valve for a choke manifold according to claim 1, characterized in that: the valve body comprises a first part, a second part and a third part; the first part is connected to one side of the second part; the third part is connected to the other side of the second part; the valve rod is in threaded connection with the first component; and a rotating handle is arranged on one side of the valve rod, which is far away from the valve body.
6. A choke valve for a choke manifold according to claim 5, characterized in that: a set screw is arranged on the first component; the set screw secures the valve stem to the first member.
7. A choke valve for a choke manifold according to claim 5, characterized in that: and sealing gaskets are arranged between the first part and the second part and between the second part and the third part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020186859.7U CN211693541U (en) | 2020-02-20 | 2020-02-20 | Throttle valve for throttle manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020186859.7U CN211693541U (en) | 2020-02-20 | 2020-02-20 | Throttle valve for throttle manifold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211693541U true CN211693541U (en) | 2020-10-16 |
Family
ID=72775989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020186859.7U Active CN211693541U (en) | 2020-02-20 | 2020-02-20 | Throttle valve for throttle manifold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211693541U (en) |
-
2020
- 2020-02-20 CN CN202020186859.7U patent/CN211693541U/en active Active
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