CN222209000U - Anti-seepage stop valve - Google Patents
Anti-seepage stop valve Download PDFInfo
- Publication number
- CN222209000U CN222209000U CN202421092728.7U CN202421092728U CN222209000U CN 222209000 U CN222209000 U CN 222209000U CN 202421092728 U CN202421092728 U CN 202421092728U CN 222209000 U CN222209000 U CN 222209000U
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- Prior art keywords
- valve body
- valve
- threaded
- threaded rod
- water inlet
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- 238000007789 sealing Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229920001971 elastomer Polymers 0.000 claims description 13
- 238000009434 installation Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sliding Valves (AREA)
Abstract
本专利公开了一种防渗式截止阀，包括阀体，所述阀体上开设有圆口，所述圆口内安装有竖管，所述竖管上开设有螺纹槽，所述螺纹槽内套接有螺纹杆，所述阀体内开设有入水口；所述螺纹杆上安装有阀瓣，所述阀瓣上安装有密封垫，所述阀瓣封住入水口的下方。外界介质经阀体左侧进入，此时转动螺纹杆在竖管上的螺纹槽内转动，并向下移动，螺纹杆带动阀瓣上的密封垫离开环形槽，使入水口打开，则介质经阀体的右侧流出，关闭时，螺纹杆带动阀瓣向上移动，阀瓣封住入水口下方，并抵紧在阀体下方，同时将密封垫塞进环形槽内，密封住入水口，而进入阀体内的介质压力作用在阀瓣上，由于阀体的阻挡，避免阀瓣离开入水口，防止介质渗出。
This patent discloses an anti-seepage stop valve, including a valve body, a circular opening is provided on the valve body, a vertical pipe is installed in the circular opening, a threaded groove is provided on the vertical pipe, a threaded rod is sleeved in the threaded groove, a water inlet is provided in the valve body, a valve disc is installed on the threaded rod, a sealing gasket is installed on the valve disc, and the valve disc seals the lower part of the water inlet. External medium enters through the left side of the valve body, at this time, the threaded rod is rotated in the threaded groove on the vertical pipe and moves downward, the threaded rod drives the sealing gasket on the valve disc to leave the annular groove, so that the water inlet is opened, and the medium flows out through the right side of the valve body. When closing, the threaded rod drives the valve disc to move upward, the valve disc seals the lower part of the water inlet, and presses against the lower part of the valve body, and at the same time, the sealing gasket is inserted into the annular groove to seal the water inlet, and the pressure of the medium entering the valve body acts on the valve disc. Due to the obstruction of the valve body, the valve disc is prevented from leaving the water inlet, and the medium is prevented from seeping out.
Description
Technical Field
The patent relates to the technical field of stop valves, in particular to an anti-seepage stop valve.
Background
The shut-off valve is also called a shut-off valve, and belongs to a forced sealing type valve, so that when the valve is closed, pressure must be applied to the valve clack so as to force the sealing surface not to leak. When a medium enters the valve from the lower part of the valve clack, the resistance which needs to be overcome by the operation force is the friction force of the valve rod and the filler and the thrust generated by the pressure of the medium, the valve closing force is larger than the valve opening force, so the diameter of the valve rod is larger, otherwise, the valve rod is in a bending fault, the opening and closing piece of the prior stop valve is a plug-shaped valve clack, the sealing upper surface is a plane or a sea cone, the pressure of the entering medium is given to the lower part of the valve clack, and the valve clack is separated from the inlet by the larger pressure of the medium, so that the medium is exuded.
Disclosure of utility model
The purpose of this patent is to provide a prevention of seepage formula stop valve.
In order to achieve the aim, the anti-seepage stop valve comprises a valve body, wherein a round opening is formed in the valve body, a vertical pipe is arranged in the round opening, a thread groove is formed in the vertical pipe, a threaded rod is sleeved in the thread groove, and a water inlet is formed in the valve body;
the valve body is internally provided with an annular groove, and the sealing gasket is arranged in the annular groove.
Preferably, a sealing plate is arranged in the vertical pipe, a threaded hole is formed in the sealing plate, and the threaded rod is sleeved in the threaded hole;
A circular plate is placed in the vertical pipe, a rubber pad is mounted on the circular plate, a through hole is formed in the rubber pad, and the threaded rod is mounted in the through hole.
Preferably, the valve clack is mounted on the threaded rod through a connecting structure;
The connecting structure comprises a bolt and a threaded port;
the bolt is installed on the valve clack, the threaded opening is formed in the threaded rod, and the bolt is sleeved in the threaded opening.
Preferably, the valve body is provided with a taking and placing opening, threads are machined in the taking and placing opening, a threaded cover is sleeved in the taking and placing opening, and a straight groove is formed in the threaded cover.
Preferably, the valve body is provided with two flange plates, and the flange plates are symmetrically distributed on two sides by taking the central line of the valve body as the center;
Each flange plate is provided with at least four mounting holes, and the mounting holes are distributed on the flange plate in annular equidistant mode.
Preferably, a handle is mounted on the threaded rod.
Compared with the prior art, the anti-seepage stop valve has the beneficial effects that compared with the prior art, the anti-seepage stop valve has the following advantages:
1. External medium enters the valve body from the left side, at the moment, the threaded rod rotates in a threaded groove on the vertical pipe and moves downwards, the threaded rod drives the sealing gasket on the valve clack to leave the annular groove, so that the water inlet is opened, the medium flows out from the right side of the valve body, and when the valve body is closed, the threaded rod drives the valve clack to move upwards, the valve clack seals the lower part of the water inlet and is abutted against the lower part of the valve body, and meanwhile, the sealing gasket is plugged into the annular groove to seal the water inlet, and the pressure of the medium entering the valve body acts on the valve clack, so that the valve clack is prevented from leaving the water inlet due to the blocking of the valve body, and the medium is prevented from exuding;
2. When the threaded rod moves downwards in the valve body to open the water inlet, the threaded rod rotates in the threaded hole in the sealing plate to move downwards, and meanwhile, the threaded rod drives the rubber pad to move downwards through the circular plate, the rubber pad presses on the sealing plate, and medium is prevented from seeping upwards;
3. When the valve body is not tightly sealed, the medium is stopped, an external tool can be used for extending into the straight groove, so that the screw cap is screwed off from the taking-out opening on the valve body, at the moment, the bolt on the valve clack can be screwed off from the screw opening on the threaded rod, the valve clack is taken out, and the sealing gasket on the valve clack is replaced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present patent;
FIG. 2 is a schematic structural view of a cross-sectional view of the present patent;
FIG. 3 is a schematic view of the structure of the valve flap, gasket and bolt of the present patent;
fig. 4 is a schematic structural view of the circular plate, rubber pad and through hole of the present patent.
In the figure, 1, a valve body, 2, a flange plate, 3, a mounting hole, 4, a connecting structure, 401, a bolt, 402, a threaded port, 5, a round port, 6, a vertical pipe, 7, a threaded groove, 8, a threaded rod, 9, a handle, 10, a water inlet, 11, a valve clack, 12, a sealing gasket, 13, an annular groove, 14, a sealing plate, 15, a threaded hole, 16, a circular plate, 17, a rubber pad, 18, a through hole, 19, a taking and placing port, 20, a threaded cover, 21 and a straight slot.
Detailed Description
The following description of the embodiments of the present patent will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the present patent. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the creative effort, are contemplated to be within the scope of protection of this patent.
Referring to fig. 1-4, the patent provides a technical scheme that an anti-seepage stop valve comprises a valve body 1, wherein a round opening 5 is formed in the valve body 1, a vertical pipe 6 is arranged in the round opening 5, the vertical pipe 6 is communicated with the valve body 1, a thread groove 7 is formed in the vertical pipe 6, a threaded rod 8 is sleeved in the thread groove 7, and a water inlet 10 is formed in the valve body 1;
The valve body 1 is internally provided with an annular groove 13, the sealing gasket 12 is arranged in the annular groove 13, and the sealing gasket 12 is tightly attached to the annular groove 13;
External medium enters from the left side of the valve body 1, at the moment, the threaded rod 8 rotates in the threaded groove 7 on the vertical pipe 6 and moves downwards, the threaded rod 8 drives the sealing gasket 12 on the valve clack 11 to leave the annular groove 13, so that the water inlet 10 is opened, then the medium flows out from the right side of the valve body 1, when the valve is closed, the threaded rod 8 drives the valve clack 11 to move upwards, the valve clack 11 seals the lower part of the water inlet 10 and abuts against the lower part of the valve body 1, and meanwhile, the sealing gasket 12 is plugged into the annular groove 13 to seal the water inlet 10, and the pressure of the medium entering the valve body 1 acts on the valve clack 11, so that the valve clack 11 is prevented from leaving the water inlet 10 due to the blocking of the valve body 1, and the medium is prevented from exuding.
A sealing plate 14 is arranged in the vertical pipe 6, a threaded hole 15 is formed in the sealing plate 14, and the threaded rod 8 is sleeved in the threaded hole 15;
The circular plate 16 is placed in the vertical pipe 6, the circular plate 16 is provided with the rubber pad 17, the rubber pad 17 is made of fluororubber materials, the circular plate 16 is provided with the through holes 18, the through holes 18 are formed between the rubber pad 17, the threaded rod 8 is installed in the through holes 18, the threaded rod 8 is connected with the through holes 18 to be free of processing threads, when the threaded rod 8 moves downwards in the valve body 1, the water inlet 10 is opened, the threaded rod 8 moves downwards in the threaded hole 15 on the sealing plate 14, meanwhile, the threaded rod 8 drives the rubber pad 17 to move downwards through the circular plate 16, and the rubber pad 17 is pressed on the sealing plate 14, so that medium seepage upwards is avoided.
The valve clack 11 is arranged on the threaded rod 8 through the connecting structure 4;
The connection structure 4 includes a bolt 401 and a threaded port 402;
The bolt 401 is installed on the valve clack 11, the threaded opening 402 is formed in the threaded rod 8, the bolt 401 is sleeved in the threaded opening 402, the valve body 1 is provided with the taking and placing opening 19, threads are machined in the taking and placing opening 19, the threaded cover 20 is sleeved in the taking and placing opening 19, the threaded cover 20 is provided with the straight groove 21, when the valve body 1 is not tightly sealed, a medium stops, an external tool can be used for extending into the straight groove 21, the threaded cover 20 is screwed off from the taking and placing opening 19 on the valve body 1, at the moment, the bolt 401 on the valve clack 11 can be screwed off from the threaded opening 402 on the threaded rod 8, the valve clack 11 is taken out, and the sealing gasket 12 on the valve clack 11 is replaced.
The valve body 1 is provided with two flange plates 2, and the flange plates 2 are symmetrically distributed on two sides by taking the central line of the valve body 1 as the center;
The installation holes 3 are formed in each flange plate 2, the number of the installation holes 3 is not less than four, the installation holes 3 are distributed on the flange plates 2 at equal intervals in a ring shape, the valve body 1 can be installed between pipelines through the installation holes 3 on the flange plates 2, the handle 9 is installed on the threaded rod 8, and the threaded rod 9 is driven to rotate by rotating the handle 9.
When the anti-seepage stop valve is used, firstly, the valve body 1 can be installed between pipelines through the installation holes 3 on the flange plate 2 manually, when media are required to be conveyed, the rotary handle 9 drives the threaded rod 8 to rotate in the threaded groove 7 on the vertical pipe 6 and move downwards, the threaded rod 8 drives the sealing gasket 12 on the valve clack 11 to leave the annular groove 13, the water inlet 10 is opened, media in the pipelines enter from the left side of the valve body 1, then the media flow out from the right side of the valve body 1, when the valve body is closed, the threaded rod 8 drives the valve clack 11 to move upwards, the valve clack 11 seals the lower part of the water inlet 10 and abuts against the lower part of the valve body 1, meanwhile, the sealing gasket 12 is plugged into the annular groove 13, the water inlet 10 is sealed, and the pressure of the media entering the valve body 1 acts on the valve clack 11.
Although embodiments of the present patent have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the patent, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421092728.7U CN222209000U (en) | 2024-05-20 | 2024-05-20 | Anti-seepage stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421092728.7U CN222209000U (en) | 2024-05-20 | 2024-05-20 | Anti-seepage stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222209000U true CN222209000U (en) | 2024-12-20 |
Family
ID=93865224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421092728.7U Active CN222209000U (en) | 2024-05-20 | 2024-05-20 | Anti-seepage stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222209000U (en) |
-
2024
- 2024-05-20 CN CN202421092728.7U patent/CN222209000U/en active Active
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| GR01 | Patent grant |