CN213745187U - Valve rod anti-channeling structure of valve - Google Patents
Valve rod anti-channeling structure of valve Download PDFInfo
- Publication number
- CN213745187U CN213745187U CN202022319748.1U CN202022319748U CN213745187U CN 213745187 U CN213745187 U CN 213745187U CN 202022319748 U CN202022319748 U CN 202022319748U CN 213745187 U CN213745187 U CN 213745187U
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- CN
- China
- Prior art keywords
- valve
- valve rod
- wall
- fixedly connected
- valve body
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- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 239000012530 fluid Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a valve rod anti-channeling structure, which comprises a valve body, water inlet and delivery port have been seted up on the lateral wall of valve body, water inlet and delivery port pass through the intercommunication mouth intercommunication, square groove has been seted up on the lateral wall of valve body, sliding connection has the valve rod on the inner wall in square groove, the lower extreme fixedly connected with case of valve rod, the pinhole has been seted up on the lateral wall of valve rod, the upper end fixedly connected with rectangular plate of valve body, the spacing groove has been seted up on the lateral wall of rectangular plate, the rectangular channel has been seted up on the inner wall in square groove. By arranging the limiting device, the shaft pin can be inserted into the pin hole, so that the shaft pin can limit the valve rod, and the valve rod can be effectively prevented from driving the valve core to move out of the valve body in the process of closure; when the valve core needs to be pulled out for through-flow, the shaft pin is pulled at the moment, and when the limiting spring deforms to a certain degree, the shaft pin can be pulled out from the pin hole, so that the valve core can be pulled out quickly for through-flow.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to a valve rod anti-channeling structure.
Background
The valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, and is widely applied to the mechanical industry. In the working process of the valve, the valve rod is rotated to drive the valve core to rotate, and when the valve core rotates to a certain angle, fluid can be cut off, so that the valve plays a role in cutting off the flow. However, in the actual use process, because the fluid can generate a large lateral pressure on the valve rod and the valve core, under the long-time action of the lateral pressure, the valve rod and the valve core can be loosened, and the valve rod drives the valve core to move out of the valve body. Under the condition, the valve body is not only lost in the intercepting function, but also huge potential safety hazards are hidden. Based on this problem, the utility model provides a solution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a valve rod anti-channeling structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a valve rod anti-channeling structure of a valve comprises a valve body, wherein a water inlet and a water outlet are formed in the side wall of the valve body and are communicated through a communication port, a square groove is formed in the side wall of the valve body, a valve rod is connected to the inner wall of the square groove in a sliding mode, a valve core is fixedly connected to the lower end of the valve rod, a pin hole is formed in the side wall of the valve rod, a rectangular plate is fixedly connected to the upper end of the valve body, a limiting groove is formed in the side wall of the rectangular plate, a limiting device capable of limiting the pin hole is installed in the limiting groove, a rectangular groove is formed in the inner wall of the square groove, a blocking device capable of sealing the water outlet is installed in the rectangular groove and comprises a shaft pin which is connected to the inner wall of the limiting groove in a sliding mode, a limiting plate is fixedly connected to the side wall of the shaft pin, and a limiting spring is sleeved on the shaft pin along the axial direction, the blocking device comprises a stop block which is connected to the inner wall of the rectangular groove in a sliding mode, an extension spring is fixedly connected to the inner top of the rectangular groove, the free end of the extension spring is fixedly connected to the upper end of the stop block, a second fixed pulley is connected to the inner wall of the rectangular groove in a rotating mode, a first fixed pulley is connected to the inner wall of the square groove in a rotating mode, a steel wire rope is wound on the first fixed pulley and the second fixed pulley, one end of the steel wire rope is fixedly connected to the lower end of the stop block, and the other end of the steel wire rope is fixedly connected to the side wall of the valve rod.
Preferably, the upper end of the valve rod is fixedly connected with a handle, and anti-skid grains are carved on the handle.
Preferably, the shape of the stop block is a cuboid, and the stop block is made of stainless steel.
Preferably, the steel wire rope is fixedly connected to the center of the lower end of the stop block, and the extension spring is fixed to the center of the upper end of the stop block.
The utility model discloses following beneficial effect has: by arranging the limiting device, the shaft pin can be inserted into the pin hole, so that the shaft pin can limit the valve rod, and the valve rod can effectively prevent the valve core from being driven by the valve rod to move out of the valve body in the process of flow interception; when the valve core needs to be pulled out for through-flow, the shaft pin is pulled at the moment, the shaft pin can compress the limiting spring, and when the limiting spring deforms to a certain degree, the shaft pin can be separated from the pin hole, so that the valve core can be pulled out quickly for through-flow; when the valve core falls off from the valve rod accidentally, the stop block can continue to play the role of flow interception, so that the valve body has the double safety function.
Drawings
Fig. 1 is a schematic structural view of a valve rod anti-channeling structure of the valve of the present invention;
fig. 2 is a schematic structural view of the valve rod anti-channeling structure of the valve of the present invention in a through-flow state;
fig. 3 is the utility model provides a valve rod prevents scurrying structure's a structure enlarged schematic diagram.
In the figure: the valve comprises a valve body 1, a water inlet 2, a water outlet 3, a valve core 4, a valve rod 5, a square groove 6, a first fixed pulley 7, a second fixed pulley 8, a steel wire rope 9, a rectangular groove 10, a stop block 11, an extension spring 12, a pin hole 13, a limit groove 14, a shaft pin 15, a limit plate 16, a limit spring 17, a handle 18, a communication port 19 and a rectangular plate 20.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-3, a valve rod anti-channeling structure of a valve comprises a valve body 1, wherein a water inlet 2 and a water outlet 3 are formed in the side wall of the valve body 1, the water inlet 2 and the water outlet 3 are communicated through a communication port 19, a square groove 6 is formed in the side wall of the valve body 1, a valve rod 5 is connected to the inner wall of the square groove 6 in a sliding mode, a handle 18 is fixedly connected to the upper end of the valve rod 5, and anti-skidding grains are carved on the handle 18. Lower extreme fixedly connected with case 4 of valve rod 5 has seted up pinhole 13 on the lateral wall of valve rod 5, and the upper end fixedly connected with rectangular plate 20 of valve body 1 has seted up spacing groove 14 on the lateral wall of rectangular plate 20, and spacing inslot 14 is installed and to be carried out spacing stop device to pinhole 13, and stop device includes pivot 15 of sliding connection on spacing groove 14 inner wall, fixedly connected with limiting plate 16 on the lateral wall of pivot 15, and it has spacing spring 17 to overlap along the axis direction on the pivot 15. The inner wall of the square groove 6 is provided with a rectangular groove 10, and a blocking device capable of sealing the water outlet 3 is installed in the rectangular groove 10. The blocking device comprises a stop block 11 which is connected on the inner wall of the rectangular groove 10 in a sliding mode, the stop block 11 is cuboid, and the stop block is made of stainless steel. An extension spring 12 is fixedly connected to the inner top of the rectangular groove 10, and the free end of the extension spring 12 is fixedly connected to the upper end of the stop block 11. Rotate on the inner wall of rectangular channel 10 and be connected with second fixed pulley 8, rotate on the inner wall of square groove 6 and be connected with first fixed pulley 7, around having wire rope 9 on first fixed pulley 7 and the second fixed pulley 8, wire rope 9's one end fixed connection is at the lower extreme of dog 11, and wire rope 9's other end fixed connection is on the lateral wall of valve rod 5. It should be noted that the fit clearance between the stopper 11 and the rectangular groove 10 is not less than one millimeter, so as to prevent the stopper 11 from being jammed during movement.
In the use process, in the process of flow stopping, the shaft pin 15 is inserted into the pin hole 13, so that the shaft pin 15 can limit the valve rod 5, and the valve rod 5 is effectively prevented from driving the valve core 4 to move out of the valve body in the flow stopping process; when the valve core 4 needs to be pulled out for through-flow, the shaft pin 15 is pulled at the moment, the shaft pin 15 can compress the limiting spring 17, and when the limiting spring 17 deforms to a certain degree, the shaft pin 15 can be pulled out from the pin hole 13, so that the valve core 4 can be pulled out quickly for through-flow. In addition, in the process that the valve rod 5 drives the valve core 4 to descend, the valve rod 5 can pull the steel wire rope 9, and the steel wire rope 9 can pull the stop block 11 to move downwards under the transmission of the first fixed pulley 7 and the second fixed pulley 8, so that the stop block 11 can block the water outlet 3; when the valve rod 5 drives the valve core 4 to ascend, the stop block 11 resets again under the action of the extension spring 12, so that the water outlet 3 can continue to have the same flow; thus, when the valve core 4 is accidentally dropped from the valve rod 5, the stop block 11 can continue to play a role in stopping flow, so that the device has a double-safety function.
Claims (4)
1. The valve rod anti-channeling structure of the valve comprises a valve body (1) and is characterized in that a water inlet (2) and a water outlet (3) are formed in the side wall of the valve body (1), the water inlet (2) and the water outlet (3) are communicated through a communication port (19), a square groove (6) is formed in the side wall of the valve body (1), a valve rod (5) is connected to the inner wall of the square groove (6) in a sliding mode, a valve core (4) is fixedly connected to the lower end of the valve rod (5), a pin hole (13) is formed in the side wall of the valve rod (5), a rectangular plate (20) is fixedly connected to the upper end of the valve body (1), a limiting groove (14) is formed in the side wall of the rectangular plate (20), a limiting device capable of limiting the pin hole (13) is installed in the limiting groove (14), and a rectangular groove (10) is formed in the inner wall of the square groove (6), install in rectangular channel (10) and can carry out confined blocking device to delivery port (3), stop device includes pivot (15) of sliding connection on spacing groove (14) inner wall, fixedly connected with limiting plate (16) on the lateral wall of pivot (15), it has spacing spring (17) to go up along axis direction cover in pivot (15), blocking device includes dog (11) of sliding connection on the inner wall of rectangular channel (10), the interior top fixedly connected with extension spring (12) of rectangular channel (10), the free end fixed connection of extension spring (12) is in the upper end of dog (11), it is connected with second fixed pulley (8) to rotate on the inner wall of rectangular channel (10), it is connected with first fixed pulley (7) to rotate on the inner wall of square channel (6), around having wire rope (9) on first fixed pulley (7) and second fixed pulley (8), one end of the steel wire rope (9) is fixedly connected to the lower end of the stop block (11), and the other end of the steel wire rope (9) is fixedly connected to the side wall of the valve rod (5).
2. The valve rod tamper-proof structure of the valve according to claim 1, wherein a handle (18) is fixedly connected to the upper end of the valve rod (5), and the handle (18) is engraved with anti-slip lines.
3. The valve stem tamper-proof structure of the valve according to claim 1, wherein the stopper (11) is rectangular and made of stainless steel.
4. The valve stem tamper-proof structure of claim 1, wherein the wire rope (9) is fixedly connected to a central position of a lower end of the stopper (11), and the tension spring is fixed to a central position of an upper end of the stopper (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022319748.1U CN213745187U (en) | 2020-10-19 | 2020-10-19 | Valve rod anti-channeling structure of valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022319748.1U CN213745187U (en) | 2020-10-19 | 2020-10-19 | Valve rod anti-channeling structure of valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213745187U true CN213745187U (en) | 2021-07-20 |
Family
ID=76850491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022319748.1U Expired - Fee Related CN213745187U (en) | 2020-10-19 | 2020-10-19 | Valve rod anti-channeling structure of valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213745187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115507206A (en) * | 2022-09-26 | 2022-12-23 | 浙江中控流体技术有限公司 | Interchangeable multi-way ball valve |
-
2020
- 2020-10-19 CN CN202022319748.1U patent/CN213745187U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115507206A (en) * | 2022-09-26 | 2022-12-23 | 浙江中控流体技术有限公司 | Interchangeable multi-way ball valve |
| CN115507206B (en) * | 2022-09-26 | 2024-01-30 | 浙江中控流体技术有限公司 | Interchangeable multi-way ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210720 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |