CN220037492U - Gate valve capable of preventing sealing surface from being eroded by liquid flow - Google Patents
Gate valve capable of preventing sealing surface from being eroded by liquid flow Download PDFInfo
- Publication number
- CN220037492U CN220037492U CN202321418767.7U CN202321418767U CN220037492U CN 220037492 U CN220037492 U CN 220037492U CN 202321418767 U CN202321418767 U CN 202321418767U CN 220037492 U CN220037492 U CN 220037492U
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- Prior art keywords
- valve
- valve body
- liquid flow
- sealing surface
- gate valve
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- 239000007788 liquid Substances 0.000 title claims abstract description 47
- 238000007789 sealing Methods 0.000 title claims abstract description 30
- 230000003628 erosive effect Effects 0.000 claims abstract description 11
- 239000012530 fluid Substances 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 11
- 230000003139 buffering effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model provides a gate valve for preventing a sealing surface from being eroded by liquid flow, which relates to the technical field of valves and comprises a valve body, wherein a valve core is arranged in the valve body, a valve rod is connected to a connecting end of the valve core, guide pieces are respectively arranged at two ends in the valve body, each guide piece comprises a connecting end and a guide end, a thread groove on the surface of each connecting end is connected with internal threads of the valve body, the surface of each guide end is inclined from outside to inside, buffer holes are respectively arranged at one end and the inclined surface of each guide end, and fluid is guided by the guide pieces in a conical shape, so that the liquid flow is blocked and shunted when passing through the sealing surface, the erosion to the sealing surface is reduced, and meanwhile, the flow velocity of the liquid is buffered by the buffer holes at the guide ends, so that the sealing surface is prevented from being eroded by the liquid flow.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a gate valve for preventing a sealing surface from being eroded by liquid flow.
Background
The gate valve is mainly used in a liquid logistics system in chemical industry, the existing gate valve comprises a handle, a valve body and a gate, the valve body and the gate are respectively provided with two sealing surfaces, when the gate is in a full-open state, the sealing surfaces on the side of a liquid outlet pipe cavity on the valve body are easily eroded by liquid flow in a circular truncated cone shape which is flushed out from the liquid inlet pipe cavity of the valve body, so that the valve is not fully closed and liquid is leaked, therefore, the gate valve for preventing the sealing surfaces from being eroded by liquid flow has very important significance, and when the liquid flows through the sealing surfaces of the valve, the sealing surfaces of the existing gate valve are worn due to erosion, and the service life of the gate valve is reduced due to accumulation of moon.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects in the prior art and providing the gate valve for preventing the sealing surface from being eroded by liquid flow, which realizes that the liquid flow is blocked and split when passing through the sealing surface of the gate valve, reduces the erosion of the sealing surface and further prolongs the service life of the gate valve.
The utility model is realized by the following technical scheme:
the utility model provides a prevent sealed face from receiving gate valve of liquid stream erosion, includes the valve body, the internally mounted of valve body has the case, the link of case is connected with the valve rod, the water conservancy diversion spare is installed respectively at the inside both ends of valve body, the water conservancy diversion spare includes link and water conservancy diversion end, the screw thread groove on link surface and the inside threaded connection of valve body, the surface of water conservancy diversion end is outside-in inclined, the one end and the inclined plane punishment array of water conservancy diversion end have the buffer hole.
According to the technical scheme, the gate valve comprises the valve body, the handle, the valve rod and the valve core, the handle is rotated to drive the valve rod to rotate together, so that the valve core is opened to finish liquid passing or sealing, the guide piece is arranged at the sealing surface of the valve core and consists of the connecting end and the guide end, the thread groove on the surface of the connecting end is in threaded connection with the inner wall of the valve body to install the whole guide piece, liquid flow is buffered by the buffering hole on the guide end when the liquid flow passes through the guide end, the flow speed of the liquid flow can be regulated and distributed due to the inclined surface of the guide end which is inclined from outside to inside when the liquid flow passes through, and meanwhile, the buffer hole is utilized to buffer the liquid flow, so that the phenomenon that the sealing surface is eroded by the liquid flow due to overlarge liquid flow pressure is avoided.
Alternatively, in one possible embodiment, the valve element is mated with the valve body internal interface, and the valve element is sealed with the valve body internal interface.
It can be seen that in the above technical scheme, the valve core is controlled to control the opening and closing of the valve body.
Alternatively, in one possible embodiment, the top surface of the valve stem is bolted to a handle and the valve stem is located in an interface on the top surface of the valve body.
According to the technical scheme, the handle is connected with the valve rod, and a person can manually rotate the handle to control the valve core.
Optionally, in one possible implementation manner, a detection cavity is formed in the valve body, the valve rod is located in the detection cavity, and a floating ring and a judgment cylinder are respectively arranged in the detection cavity.
According to the technical scheme, the floating ring and the judging cylinder are integrally formed, the floating ring can float on liquid, and after the valve core is used for a long time, if the valve core is damaged and the valve body cannot be closed, the liquid flows into the detection cavity, and the floating ring and the judging cylinder are in position change along with the height of the liquid level.
Optionally, in one possible implementation manner, the surface array of the judging cylinder is provided with a warning line, and the judging cylinder is located in the interface of the top surface of the valve body.
It can be seen that in the above technical scheme, the warning line is provided on the surface of the judging cylinder, the judging cylinder ascends when water enters the detecting cavity, the judging cylinder passes through the interface on the top surface of the valve body, the warning line is exposed outside, and the warning line is noticed by the staff and plays a role in warning the staff.
Optionally, in one possible implementation manner, the floating ring is sleeved on the surface of the valve rod, and the floating ring is movably connected with the surface of the valve rod.
It can be seen that in the above technical scheme, the floating ring is sleeved on the surface of the valve rod, the floating ring can not be influenced when the valve rod rotates, and meanwhile, the position of the floating ring can be limited by the valve rod, so that the alignment of the judging cylinder position and the valve body interface is ensured.
Optionally, in one possible implementation manner, a magnetic strip is connected to the top end of the judging cylinder, and the magnetic strip is magnetically attracted to the top surface of the valve body.
According to the technical scheme, the magnet is added at the position of the judging cylinder, under normal conditions, the magnet is magnetically attracted to the top surface of the valve body, the magnet cannot be separated from the valve body under the action of no external force, the position of the judging cylinder is limited by the magnet and the magnetic attraction of the valve body, when water enters the detecting cavity, the floating ring is lifted by the buoyancy of liquid to push the magnet upwards, until the magnet is separated from the valve body, and the judging cylinder is exposed to the outside.
The beneficial effects of the utility model are as follows:
the fluid is guided by the conical guide piece, so that the liquid flow is blocked and split when passing through the sealing surface, the erosion to the sealing surface is reduced, and meanwhile, the flow velocity of the liquid is buffered by utilizing the buffer hole at the guide end, so that the aim of preventing the sealing surface from being eroded by the liquid flow is fulfilled.
Drawings
FIG. 1 shows a cross-sectional view according to the present utility model;
fig. 2 shows an isometric view according to the utility model;
FIG. 3 shows an exploded view according to the present utility model;
fig. 4 shows an overall construction of a deflector according to the present utility model.
Reference numerals illustrate:
1. a valve body; 11. a handle; 12. a valve stem; 13. a valve core; 2. a flow guide; 21. a connection end; 22. a diversion end; 23. buffering holes; 3. a detection chamber; 4. a floating ring; 5. judging the cylinder; 6. a warning line; 7. a magnetic stripe.
Detailed Description
The present utility model will be described in further detail below with reference to the drawings and preferred embodiments, so that those skilled in the art can better understand the technical solutions of the present utility model. All other embodiments, based on the embodiments of the utility model, which would be apparent to one of ordinary skill in the art without making any inventive effort are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.
Example 1
As shown in fig. 1-4, this embodiment provides a gate valve for preventing a sealing surface from being eroded by liquid flow, which comprises a valve body 1, wherein a valve core 13 is installed in the valve body 1, the valve core 13 is matched with an internal joint of the valve body 1, the valve core 13 is sealed with the internal joint of the valve body 1, the opening and closing of the valve body 1 can be controlled by controlling the valve core 13, a connecting end 21 of the valve core 13 is connected with a valve rod 12, a handle 11 is connected with a top surface bolt of the valve rod 12, the valve rod 12 is positioned in the joint of the top surface of the valve body 1, the handle 11 is connected with the valve rod 12, a person can manually rotate the handle 11 to control the valve core 13, guide pieces 2 are respectively installed at two ends in the valve body 1, each guide piece 2 comprises a connecting end 21 and a guide end 22, a thread groove on the surface of the connecting end 21 is connected with an internal thread on the valve body 1, the surface of the guide end 22 is inclined from outside to inside, and buffer holes 23 are respectively arrayed at one end and the inclined surface of the guide end 22.
The using process comprises the following steps:
the gate valve comprises a valve body 1, a handle 11, a valve rod 12 and a valve core 13, wherein the handle 11 is rotated to drive the valve rod 12 to rotate together, so that the valve core 13 is opened to finish the passing or sealing of liquid, a guide piece 2 is arranged at the sealing surface of the valve core 13, the guide piece 2 comprises a connecting end 21 and a guide end 22, a thread groove on the surface of the connecting end 21 is in threaded connection with the inner wall of the valve body 1, so that the whole guide piece 2 is arranged, when liquid flows through the guide end 22, the liquid flows are buffered by a buffering hole 23 on the guide end 22, and because the surface of the guide end 22 is an inclined surface inclined from outside to inside, the flow speed of the liquid flows can be regulated and distributed when the liquid flows pass, and meanwhile, the buffering hole 23 can be used for buffering the liquid flows so as to avoid the overlarge pressure of the liquid flows, so that the sealing surface is eroded by the liquid flow.
Example 2
As shown in fig. 1-4, a detection cavity 3 is formed in the valve body 1, a floating ring 4 and a judgment cylinder 5 are respectively arranged in the detection cavity 3, a warning line 6 is formed on the surface array of the judgment cylinder 5, the judgment cylinder 5 is located in an interface of the top surface of the valve body 1, the warning line 6 is formed on the surface of the judgment cylinder 5, the judgment cylinder 5 rises when water enters the detection cavity 3, the judgment cylinder 5 penetrates through the interface of the top surface of the valve body 1, the warning line 6 is exposed to the outside, the attention of a worker is brought to the attention of the worker, the warning effect is played on the worker, the floating ring 4 is sleeved on the surface of the valve rod 12, the floating ring 4 is movably connected with the surface of the valve rod 12, the floating ring 4 is sleeved on the surface of the valve rod 12, no influence can be generated on the floating ring 4 when the valve rod 12 rotates, meanwhile, the position of the floating ring 4 can be limited by the valve rod 12, the position of the judgment cylinder 5 is guaranteed to be aligned with the interface of the valve body 1, the top end of the judgment cylinder 5 is connected with a magnetic strip 7, and the magnetic strip 7 is magnetically attracted to the top surface of the valve body 1.
The using process comprises the following steps:
the warning line 6 is arranged on the surface of the judging cylinder 5, the judging cylinder 5 ascends when water enters the detecting cavity 3, the judging cylinder 5 penetrates through an interface of the top surface of the valve body 1, the warning line 6 is exposed to the outside, workers pay attention to the warning effect on the workers, the magnet is additionally arranged at the judging cylinder 5, the magnet is magnetically attracted to the top surface of the valve body 1 under the normal condition and cannot be separated from the valve body 1 under the action of no external force, the position of the judging cylinder 5 is limited by the magnetic attraction of the magnet and the valve body 1, and when water enters the detecting cavity 3, the floating ring 4 is upwards pushed by the buoyancy of liquid until the magnet is separated from the valve body 1, and the judging cylinder 5 is not exposed to the outside.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (7)
1. The utility model provides a prevent sealed face from receiving gate valve of liquid flow erosion, its characterized in that includes the valve body, the internally mounted of valve body has the case, the link of case is connected with the valve rod, valve body internally mounted has the water conservancy diversion spare, the water conservancy diversion spare includes link and water conservancy diversion end, the screw thread groove on link surface and the inside threaded connection of valve body, the surface of water conservancy diversion end is outside-in inclined, the one end and the inclined plane punishment of water conservancy diversion end do not are listed as and are stamped the hole.
2. A gate valve for preventing erosion of a sealing surface by a liquid flow according to claim 1, wherein the valve core is matched with the internal interface of the valve body, and the valve core is sealed with the internal interface of the valve body.
3. A gate valve for preventing erosion of a sealing surface by a liquid flow according to claim 1, wherein a handle is bolted to the top surface of the valve stem and the valve stem is located in the interface of the top surface of the valve body.
4. The gate valve for preventing erosion of a sealing surface due to liquid flow according to claim 1, wherein the valve body is internally provided with a detection cavity, the valve rod is positioned in the detection cavity, and the detection cavity is respectively provided with a floating ring and a judgment cylinder.
5. A gate valve for preventing erosion of a sealing surface by a fluid flow according to claim 4 wherein said array of judgment cylinders has warning lines provided on its surface and the judgment cylinders are located in the interface of the top surface of the valve body.
6. The gate valve of claim 4, wherein the floating ring is sleeved on the surface of the valve rod and is movably connected with the surface of the valve rod.
7. The gate valve for preventing erosion of a sealing surface due to liquid flow according to claim 4, wherein the top end of the judging cylinder is connected with a magnetic strip, and the magnetic strip is magnetically attracted to the top surface of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321418767.7U CN220037492U (en) | 2023-06-06 | 2023-06-06 | Gate valve capable of preventing sealing surface from being eroded by liquid flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321418767.7U CN220037492U (en) | 2023-06-06 | 2023-06-06 | Gate valve capable of preventing sealing surface from being eroded by liquid flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220037492U true CN220037492U (en) | 2023-11-17 |
Family
ID=88728270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321418767.7U Active CN220037492U (en) | 2023-06-06 | 2023-06-06 | Gate valve capable of preventing sealing surface from being eroded by liquid flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220037492U (en) |
-
2023
- 2023-06-06 CN CN202321418767.7U patent/CN220037492U/en active Active
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