CN219932959U - Stop valve - Google Patents
Stop valve Download PDFInfo
- Publication number
- CN219932959U CN219932959U CN202321125664.1U CN202321125664U CN219932959U CN 219932959 U CN219932959 U CN 219932959U CN 202321125664 U CN202321125664 U CN 202321125664U CN 219932959 U CN219932959 U CN 219932959U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve clack
- clack
- shaft lever
- cavity
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 230000003139 buffering effect Effects 0.000 claims abstract description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Lift Valve (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a stop valve, which comprises a valve body, a water inlet, a water outlet, a valve clack, an upper cover, a mounting cylinder and a rocking wheel, wherein the left side inside the valve body is provided with the water inlet, the right side inside the valve body is provided with the water outlet, the upper part of the valve body is fixedly provided with the upper cover through a bolt, the upper part of the upper cover is fixedly provided with the mounting cylinder through the bolt, the upper part of the mounting cylinder is connected with the rocking wheel, the lower part of the rocking wheel is fixedly connected with a shaft lever, the upper end of the shaft lever is provided with threads, the upper thread of the shaft lever is connected with the mounting cylinder, the lower end of the shaft lever is provided with the valve clack, the valve clack mounting position is positioned between the water outlet and the water inlet, a cavity for buffering is arranged inside the valve clack, the cavity plays a role of a bridge in the middle of the valve clack, the valve clack does not directly perform strong water flow, and the valve is opened after a part of large pressure is discharged through the cavity plays a role of the bridge, so that the valve clack is effectively prevented from directly switching the valve to punch a large force.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a stop valve.
Background
When the valve rod is manually rotated, the stop valve in the prior art has the advantages that the valve clack is impacted rapidly due to high medium flow speed and high instant pressure, and the buffer device is not arranged on the valve clack, so that when the valve is opened and closed, the valve clack is impacted violently under the rapid impact of the medium, the service life of the valve is influenced, the valve is seriously damaged, and the valve is still improved.
Disclosure of Invention
The utility model aims to solve the problems that when a valve is opened and closed, a medium can impact the valve clack violently under rapid impact due to the fact that pressure is not released and the service life of the valve is influenced because of no buffer device arranged on the valve clack in the prior art.
Preferably: the valve clack bottom is provided with the aperture that leads to the cavity, and valve clack upper portion threaded connection is in waterproof nut two, and waterproof nut two inboard slip cup joints and is connected with the axostylus axostyle, and interior valve clack is installed to the axostylus axostyle bottom, and interior valve clack highly is less than at the height of cavity and can reciprocate.
Preferably, the upper part of the inner valve clack is connected with a waterproof nut I in a threaded manner, a step is arranged at the bottom of the shaft rod, the waterproof nut I is arranged at the upper part of the step, the bottom of the inner valve clack is solid and has no aperture, and a waterproof rubber pad is arranged at the bottom.
Preferably: one side of the cavity is provided with a pressure discharge hole.
The beneficial effects are that:
1. when the valve is opened, the rocker wheel rotates to drive the movable shaft rod to rise, so that the inner valve clack is driven to move upwards, and because the inner valve clack is provided with a large gap in the cavity, when the inner valve clack rises, part of medium water slowly flows into the cavity from the aperture of the cavity, and then flows out from the pressure discharge hole arranged on one side of the cavity, so that partial pressure of the water inlet when the valve is just opened is slowed down, the second waterproof nut is contacted with the second waterproof nut after the inner valve clack rises, the second waterproof nut is in threaded connection with the valve clack, so that the valve clack is driven to rise, then the valve is opened, a bridge effect is achieved in the middle of the cavity formed by the inner valve clack, strong water flow is not directly carried out by the valve clack, and after a part of large pressure is discharged through the bridge effect of the cavity, the valve clack is effectively prevented from directly opening the valve clack, and the service life of the valve and the valve is prolonged.
2. When the stop valve closes the valve, the rocker shaft lever is rotated to descend, when the shaft lever descends, the step of the shaft lever can push down the inner valve clack, so that the valve clack is driven to move downwards, the pressure of water in the process of closing the valve downwards is gradually increased due to the falling of the valve clack, at the moment, part of water with strong pressure can flow into the cavity from the aperture arranged at the bottom of the valve clack and led to the cavity, and is discharged from the pressure discharge hole arranged at one side of the cavity, thereby slowing down the pressure of part of water when the valve is closed, preventing the pressure from being too great at the moment of closing the valve body again, and punching the valve clack and the inside of the valve body.
Drawings
Fig. 1 is a cross-sectional view of the overall structure of the present utility model.
The reference numerals in fig. 1 are respectively: the valve comprises a valve body 1, a water inlet 101, a water outlet 102, a valve clack 2, an inner valve clack 201, a chamber 202, a first waterproof nut 203, a second waterproof nut 204, a pressure discharge hole 205, an upper cover 3, a rubber pad 301, a packing pad 4, a mounting cylinder 5, a rocking wheel 6, a shaft lever 7, threads 701 and a step 702.
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.
Referring to fig. 1;
the embodiment provides a stop valve, including valve body 1, water inlet 101, delivery port 102, valve clack 2, upper cover 3, installation section of thick bamboo 5, rocker 6, the inside left side of valve body 1 is provided with water inlet 101, the inside right side of valve body 1 is provided with delivery port 102, valve body 1 upper portion sets up and installs upper cover 3 through the bolt fixed mounting, upper cover 3 upper portion is through bolt fixed mounting has installation section of thick bamboo 5, install section of thick bamboo 5 upper portion and be connected with rocker 6, rocker 6 lower part fixedly connected with axostylus axostyle 7, axostylus axostyle 7 upper end is provided with the screw thread, threaded connection has installation section of thick bamboo 5 on the axostylus axostyle 7, valve clack 2 is installed to the axostylus axostyle 7 lower extreme, valve clack 2 mounted position is located between delivery port 102 and the water inlet 101, valve clack 2 inside is provided with the cavity 202 that is used for buffering.
Preferably: the bottom of the valve clack 2 is provided with an aperture which is communicated with the cavity 202, the upper part of the valve clack 2 is in threaded connection with the second waterproof nut 204, the inner side of the second waterproof nut 204 is in sliding sleeve connection with the shaft lever 7, the bottom of the shaft lever 7 is provided with the inner valve clack 201, the inner valve clack 201 is smaller than the cavity and can move up and down, when the valve is opened, the inner valve clack 201 moves upwards, as the inner valve clack 201 has a very gap in the cavity 202 again, when the inner valve clack 201 ascends, part of medium water flows into the cavity 202 from the aperture which is arranged at the bottom of the valve clack 2 and is communicated with the cavity 202, then flows out from the pressure discharge hole 205 which is arranged at one side of the cavity 202, part of the pressure of the water inlet 101 is slowed down, then the second waterproof nut 204 is contacted with the inner valve clack 201 after the inner valve clack 201 ascends, and the second waterproof nut 204 is in threaded connection with the valve clack 2, so that the valve clack 2 can be driven to ascend; when the stop valve closes, the shaft lever 7 descends, the step 702 of the shaft lever 7 pushes the inner valve flap 201 downwards, so that the valve flap 2 is driven to move downwards, the pressure of water in the process of closing the valve downwards is gradually increased due to the falling of the valve flap 2, at the moment, part of water with strong partial pressure flows into the cavity 202 from the aperture arranged at the bottom of the valve flap 2, flows into the cavity 202 and is discharged from the pressure discharge hole 205 arranged at one side of the cavity 202, the pressure of part of water is slowed down when the valve is closed, and the valve body 1 and the valve flap 2 are broken due to overlarge pressure at the moment of preventing the water pressure from being closed again.
Preferably: the upper part of the inner valve clack 201 is in threaded connection with a waterproof nut I203, the bottom of the shaft lever 7 is provided with a step 702, the waterproof nut I203 is arranged on the upper part of the step 702, the bottom of the inner valve clack 201 is solid and has no aperture, and the bottom is provided with a waterproof rubber pad; when the shaft lever 7 ascends or descends, the steps of the shaft lever 7 are respectively contacted with the first waterproof nut 203 and the bottom of the inner valve clack 201, so that the shaft lever 7 is fixedly sleeved in the inner valve clack 201 due to the first waterproof nut 203, the bottom of the inner valve clack 201 is solid and has no aperture, a waterproof rubber pad is arranged at the bottom, the inner valve clack 201 can be lowered to the bottom to be contacted with the aperture arranged at the bottom of the valve clack 2 when the valve is closed, and the rubber pad arranged at the bottom of the inner valve clack 201 can seal the aperture to prevent water leakage.
Preferably: a pressure discharge hole 205 is formed in one side of the chamber 202; by providing the pressure discharge hole 205, when the inner valve flap 201 is lifted, part of the medium water slowly flows into the chamber 202 from the aperture provided at the bottom of the valve flap 2 and opening into the chamber 202, and then flows out from the pressure discharge hole 205 provided at one side of the chamber 202, thereby eliminating a part of the water pressure.
Working principle: when the valve is opened, the rocker wheel 6 is rotated in the same way, the rocker wheel 6 drives the shaft rod 7 to rise, the inner valve clack 201 is indirectly driven to move upwards at the moment, because a large gap exists in the cavity 202 of the inner valve clack 201, when the inner valve clack 201 rises, part of medium water slowly flows into the cavity 202 from the aperture of the cavity 202, which is arranged at the bottom of the valve clack 2 and leads to the cavity 202, then flows out of a pressure discharge hole 205 arranged at one side of the cavity 202, part of pressure of the water inlet 101 is slowed down, then the second waterproof nut 204 is contacted with the rising inner valve clack 201, and the second waterproof nut 204 is in threaded connection with the valve clack 2, so that the valve clack 2 is driven to rise, then the valve is opened, a bridge effect is realized in the middle of the cavity 202 formed by the inner valve clack 2, the valve clack 2 is not directly subjected to strong pressure water flow, and after a part of the large pressure is discharged through the bridge effect of the cavity 202, the valve is opened again, the valve clack 2 is effectively prevented from directly switching the valve to impact on water by a large force, and the service life of the valve clack 1 and the valve 2 is prolonged;
when the stop valve closes, the rocker 6 is rotated, at this moment, the rocker 6 is connected with the mounting cylinder 5 through threads, so that the shaft lever 7 fixedly connected with the lower part of the rocker 6 is driven to descend, when the shaft lever 7 descends, the step 702 of the shaft lever 7 can push down the inner valve flap 201, so that the valve flap 2 is driven to move downwards, the pressure of water in the process of closing the valve downwards can be gradually increased due to the falling of the valve flap 2, at this moment, part of water with strong pressure can flow into the aperture of the chamber 202 from the bottom of the valve flap 2, flow to the chamber 202 and be discharged from the pressure discharge hole 205 arranged on one side of the chamber 202, thus slowing down the pressure of part of water when the valve is closed, preventing the valve body 1 and the valve flap 2 from being damaged due to overlarge pressure at one moment when the water pressure is closed again.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (4)
1. The utility model provides a stop valve, including valve body (1), water inlet (101), delivery port (102), valve clack (2), upper cover (3), install a section of thick bamboo (5), shake round (6), valve body (1) inside left side is provided with water inlet (101), valve body (1) inside right side is provided with delivery port (102), valve body (1) upper portion sets up through bolt fixed mounting has upper cover (3), upper cover (3) upper portion is through bolt fixed mounting has install a section of thick bamboo (5), install section of thick bamboo (5) upper portion and be connected with shake round (6), shake round (6) lower part fixedly connected with axostylus axostyle (7), axostylus axostyle (7) upper end is provided with the screw thread, screw thread connection has install a section of thick bamboo (5) on axostylus axostyle (7) lower extreme, valve clack (2) are installed to valve clack (2) mounted position is located between delivery port (102) and water inlet (101), its characterized in that: the valve clack (2) is internally provided with a chamber (202) for buffering.
2. The stop valve according to claim 1, wherein the bottom of the valve clack (2) is provided with an aperture communicated with the chamber (202), the upper part of the valve clack (2) is in threaded connection with a waterproof nut II (204), the inner side of the waterproof nut II (204) is in sliding sleeve connection with a shaft lever (7), the bottom of the shaft lever (7) is provided with an inner valve clack (201), and the height of the inner valve clack (201) is smaller than that of the chamber and can move up and down.
3. The stop valve according to claim 2, wherein the upper part of the inner valve flap (201) is in threaded connection with a waterproof nut one (203), a step (702) is arranged at the bottom of the shaft lever (7), the waterproof nut one (203) is arranged at the upper part of the step (702), the bottom of the inner valve flap (201) is solid and has no aperture, and a waterproof rubber pad is arranged at the bottom.
4. The shut-off valve according to claim 2, characterized in that a pressure discharge hole (205) is provided on one side of the chamber (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321125664.1U CN219932959U (en) | 2023-05-11 | 2023-05-11 | Stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321125664.1U CN219932959U (en) | 2023-05-11 | 2023-05-11 | Stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219932959U true CN219932959U (en) | 2023-10-31 |
Family
ID=88493061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321125664.1U Active CN219932959U (en) | 2023-05-11 | 2023-05-11 | Stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219932959U (en) |
-
2023
- 2023-05-11 CN CN202321125664.1U patent/CN219932959U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |