CN216768417U - High-performance high-pressure stop valve - Google Patents
High-performance high-pressure stop valve Download PDFInfo
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- CN216768417U CN216768417U CN202123377391.3U CN202123377391U CN216768417U CN 216768417 U CN216768417 U CN 216768417U CN 202123377391 U CN202123377391 U CN 202123377391U CN 216768417 U CN216768417 U CN 216768417U
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- stop valve
- clack
- stop
- movable pipe
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Abstract
The utility model relates to the field of high-performance high-pressure stop valves, in particular to a high-performance high-pressure stop valve, which comprises a valve clack, a valve cover and a valve body, wherein the valve clack is arranged in the upper part of the stop valve and is in sliding connection with the stop valve; the valve rod is arranged in the middle of the upper part of the stop valve and is rotationally connected with the upper part of the stop valve; the spring is fixed above the valve clack and used for increasing the downward pressure of the valve clack; the beneficial effects are that: according to the utility model, a downward force is applied to the valve clack through the spring, so that the valve clack still has a downward movement trend after moving to the bottom of the stop valve and is tightly clamped with the bottom of the stop valve, the sealing performance of the stop valve is enhanced, and after the valve clack moves to the bottom to close the stop valve, the valve clack is fixedly clamped at the position through the positioning device, so that the valve clack is prevented from being loosened by an external force and liquid passes through the stop valve.
Description
Technical Field
The utility model relates to the field of high-performance high-pressure stop valves, in particular to a high-performance high-pressure stop valve.
Background
The high pressure stop valve has a plug-shaped valve clack, a sealing surface in plane or conical surface and a straight line motion along the central line of the fluid. The movement form of the valve rod is a lifting rod type and also a lifting rotating rod type. The stop valve is only suitable for full opening and full closing, and does not allow adjustment and throttling.
At present, most of stop valves are when closing, and inside small-amplitude deformation appears easily in the stop valve of long-term use, and valve clack and stop valve bottom still have the gap after the closure, and the leakproofness is relatively poor, makes the stop valve still have a small amount of liquid to pass through the stop valve after closing.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a high-performance high-pressure shutoff valve to solve the problems of the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a high-performance high-pressure stop valve comprises a valve clack, a valve body and a valve cover, wherein the valve clack is arranged in the upper part of the stop valve and is connected with the stop valve in a sliding manner; the valve rod is arranged in the middle of the upper part of the stop valve and is rotationally connected with the upper part of the stop valve; the spring is fixed above the valve clack and used for increasing the downward pressure of the valve clack; and the positioning devices are fixed on two sides above the stop valve.
Preferably, the middle part of the upper part of the valve clack is provided with a lifting groove, the valve rod is vertically inserted into the lifting groove and is rotationally connected with the lifting groove, and the valve rod is meshed with the inner wall of the lifting groove.
Preferably, a spring is sleeved outside the part of the valve rod, which is positioned in the stop valve, the upper end of the spring is fixedly connected with the inner wall of the top of the stop valve, and the lower end of the spring is fixedly connected with the top of the valve clack.
Preferably, both sides fixedly connected with limiting plate about the top of valve clack, the outside of limiting plate extends to in the spout to with the vertical sliding connection of spout.
Preferably, the outer side of the bottom of the sliding groove is provided with a positioning device, a stud is installed inside the outer side of the positioning device, and the stud is rotatably connected with the positioning device.
Preferably, the inner side of the positioning device is provided with a movable pipe, the movable pipe is horizontally connected with the positioning device in a sliding mode and is sealed, the movable pipe and the sliding track of the movable pipe are both square, and the end portion of the inner side of the movable pipe is connected with the middle portion of the outer side of the limiting plate in a clamping mode.
Preferably, a through hole is formed in the middle of one side, facing the stud, of the movable pipe, the inner side of the stud is horizontally inserted into the through hole of the movable pipe, and the stud is in threaded connection with the inner wall of the through hole of the movable pipe.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, a downward force is applied to the valve clack through the spring, so that the valve clack still has a downward movement trend after moving to the bottom of the stop valve and is tightly clamped with the bottom of the stop valve, the sealing performance of the stop valve is enhanced, and after the valve clack moves to the bottom to close the stop valve, the valve clack is fixedly clamped at the position through the positioning device, so that the valve clack is prevented from being loosened by an external force and liquid passes through the stop valve.
Drawings
FIG. 1 is a three-dimensional view of the structure of the present invention;
FIG. 2 is a cross-sectional three-dimensional view of the present invention;
FIG. 3 is a view showing the structure at A in FIG. 2 according to the present invention.
In the figure: the stop valve comprises a stop valve 1, a sliding chute 11, a valve clack 2, a lifting groove 21, a limiting plate 22, a valve rod 3, a spring 4, a positioning device 5, a movable pipe 51 and a stud 52.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a high-performance high-pressure stop valve comprises a valve clack 2, a valve body and a stop valve body, wherein the valve clack 2 is arranged above the stop valve 1 and is in sliding connection with the stop valve 1;
the middle part of the upper part of the valve clack 2 is provided with a lifting groove 21, the valve rod 3 is vertically inserted into the lifting groove 21 and is rotationally connected with the lifting groove, and the valve rod 3 is meshed with the inner wall of the lifting groove 21.
The valve rod 3 is arranged in the middle of the upper part of the stop valve 1 and is rotatably connected with the upper part of the stop valve 1;
the spring 4 is fixed above the valve clack 2 and increases the downward pressure of the valve clack 2;
the part of the valve rod 3 positioned in the stop valve 1 is sleeved with a spring 4, the upper end of the spring 4 is fixedly connected with the inner wall of the top of the stop valve 1, and the lower end of the spring 4 is fixedly connected with the top of the valve clack 2.
Limiting plates 22 are fixedly connected to the left side and the right side of the upper portion of the valve clack 2, and the outer sides of the limiting plates 22 extend into the sliding grooves 11 and are vertically and slidably connected with the sliding grooves 11.
The outer side of the bottom of the sliding chute 11 is provided with a positioning device 5, a stud 52 is arranged inside the outer side of the positioning device 5, and the stud 52 is rotatably connected with the positioning device 5.
And the positioning devices 5 are fixed on two sides above the stop valve 1.
The inner side of the positioning device 5 is provided with a movable pipe 51, the movable pipe 51 is horizontally connected with the positioning device 5 in a sliding manner, the movable pipe 51 and the sliding rail are sealed, the movable pipe 51 and the sliding rail are both square, and the end part of the inner side of the movable pipe 51 is clamped with the middle part of the outer side of the limiting plate 22.
The middle part of one side of the movable pipe 51 facing the stud 52 is provided with a through hole, the inner side of the stud 52 is horizontally inserted into the through hole of the movable pipe 51, and the stud 52 is in threaded connection with the inner wall of the through hole of the movable pipe 51.
The working principle is as follows: the valve rod 3 is rotated, the valve rod 3 is in threaded connection with the inner wall of the lifting groove 21, the limiting plate 22 is used for limiting the up-down movement of the valve clack 2, and the valve clack 2 is enabled to vertically slide along the inner wall of the stop valve 1.
Until the bottom of valve clack 2 and the bottom structure of stop valve 1, close stop valve 1, give valve clack 2 a pressure that moves down through spring 4, strengthen the leakproofness of the bottom of valve clack 2 and stop valve 1 bottom.
When the bottom sealing performance of the valve clack 2 and the stop valve 1 reaches the maximum, the limit plate 22 vertically slides downwards along the sliding chute 11 to the inner side of the positioning device 5.
The clamping groove in the middle of the outer side of the limiting plate 22 is aligned with the notch of the positioning device 5, the stud 52 is rotated, the stud 52 is in threaded connection with the inner wall of the movable tube 51, and the outer side of the movable tube 51 and the sliding track of the movable tube 51 are both in a square structure.
The movable tube 51 is made to slide horizontally inwards along the middle part of the positioning device 5 until the end part of the inner side of the movable tube 51 slides into the middle clamping groove at the outer side of the limiting plate 22 and is clamped and fixed with the limiting plate 22.
The valve clack 2 is kept at the lowest point in the stop valve 1, and the excellent sealing performance of the stop valve 1 after being closed is ensured.
When the stop valve 1 needs to be opened, the stud 52 is rotated in the opposite direction to enable the movable pipe 51 to contract outwards, and the valve rod 3 is screwed to enable the valve clack 2 to contract upwards, so that the stop valve 1 is opened.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A high-performance high-pressure stop valve is characterized in that: the high-performance high-pressure stop valve comprises
The valve clack (2) is arranged above the stop valve (1) and is in sliding connection with the stop valve (1);
the valve rod (3) is arranged in the middle of the upper part of the stop valve (1) and is rotationally connected with the upper part of the stop valve (1);
the spring (4) is fixed above the valve clack (2) and used for increasing the downward pressure of the valve clack (2);
and the positioning devices (5) are fixed on two sides above the stop valve (1).
2. A high-performance high-pressure shutoff valve as defined in claim 1, wherein: the middle part of the upper part of the valve clack (2) is provided with a lifting groove (21), the valve rod (3) is vertically inserted into the lifting groove (21) and is rotationally connected with the lifting groove, and the valve rod (3) is meshed with the inner wall of the lifting groove (21).
3. A high performance high pressure shut off valve as defined in claim 2, wherein: the valve rod (3) is sleeved with a spring (4) in the stop valve (1), the upper end of the spring (4) is fixedly connected with the inner wall of the top of the stop valve (1), and the lower end of the spring (4) is fixedly connected with the top of the valve clack (2).
4. A high performance high pressure shut off valve as defined in claim 2, wherein: both sides fixedly connected with limiting plate (22) about the top of valve clack (2), the outside of limiting plate (22) extends to in spout (11) to with the vertical sliding connection of spout (11).
5. A high performance high pressure shut off valve as defined in claim 4 wherein: the outer side of the bottom of the sliding groove (11) is provided with a positioning device (5), a stud (52) is installed inside the outer side of the positioning device (5), and the stud (52) is rotatably connected with the positioning device (5).
6. A high performance high pressure shut off valve according to claim 5, wherein: the inboard of positioner (5) is provided with movable pipe (51), and movable pipe (51) and positioner (5) horizontal sliding connection, and both are sealed, and movable pipe (51) all set up to square rather than the slip track, and the medial extremity of movable pipe (51) and the outside middle part joint of limiting plate (22).
7. A high performance high pressure shut off valve as defined in claim 6 wherein: the middle of one side of the movable pipe (51) facing the stud (52) is provided with a through hole, the inner side of the stud (52) is horizontally inserted into the through hole of the movable pipe (51), and the stud (52) is in threaded connection with the inner wall of the through hole of the movable pipe (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123377391.3U CN216768417U (en) | 2021-12-30 | 2021-12-30 | High-performance high-pressure stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123377391.3U CN216768417U (en) | 2021-12-30 | 2021-12-30 | High-performance high-pressure stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216768417U true CN216768417U (en) | 2022-06-17 |
Family
ID=81970157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123377391.3U Active CN216768417U (en) | 2021-12-30 | 2021-12-30 | High-performance high-pressure stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216768417U (en) |
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2021
- 2021-12-30 CN CN202123377391.3U patent/CN216768417U/en active Active
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