CN212429786U - Gate valve suitable for silt-containing medium - Google Patents
Gate valve suitable for silt-containing medium Download PDFInfo
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- CN212429786U CN212429786U CN202020560221.5U CN202020560221U CN212429786U CN 212429786 U CN212429786 U CN 212429786U CN 202020560221 U CN202020560221 U CN 202020560221U CN 212429786 U CN212429786 U CN 212429786U
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- valve
- silt
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- gate
- plate
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- 238000005192 partition Methods 0.000 claims abstract description 8
- 210000004907 gland Anatomy 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a gate valve suitable for contain silt medium, including the valve body, locate the upper valve gap on valve body upper portion, locate the valve rod at upper valve gap center, locate the hand wheel of valve rod upper end, locate the valve plate of valve rod lower extreme, the valve body lower part corresponds the valve plate position and is equipped with the recess, and its technical essential is: the lowest point of the groove is provided with a sand leakage through hole, the bottommost end of the valve plate is provided with a boss corresponding to the sand leakage through hole, the bottom surface of the valve body is a plane, a lower valve cover is fixed on the plane, a cavity used for containing silt is formed between the lower valve cover and the valve body, a partition plate is arranged in the cavity, a spring is arranged between the lower surface of the partition plate and the bottom surface of the lower valve cover, and the upper surface of the partition plate is in contact with the bottom surface of the valve body and seals. The utility model provides a current gate valve receive silt influence to close not tight problem, conveniently carry out the online clearance of silt simultaneously to the life of extension gate valve.
Description
Technical Field
The utility model belongs to the technical field of the gate valve, concretely relates to gate valve suitable for contain silt medium.
Background
The gate valve is an opening and closing member gate plate, the moving direction of the gate plate is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed. The medium channel in the valve body is straight, the medium flows in a straight line, and the flow resistance is small. Compared with a stop valve, the movement direction of the flashboard is vertical to the flow direction of the medium no matter the flashboard is opened or closed, so the opening and closing are more labor-saving. The gate valve is high, the opening and closing stroke of the gate plate is large, the gate plate descends through the screw rod, the closing time is long, and therefore the water hammer phenomenon is not prone to occurring. Based on the above advantages, the gate valve is widely used.
The gate valve mainly comprises a valve body, a valve cover, a valve rod arranged at the center of the valve cover, a hand wheel arranged at the upper end of the valve rod, a valve plate arranged at the lower end of the valve rod and the like, wherein a groove is formed in the lower portion of the valve body corresponding to the position of the valve plate, the valve rod is driven by the hand wheel to rotate to drive the valve plate to move downwards, and when the valve plate is completely buckled with the groove, complete closing is achieved, and medium transmission is cut. However, for the transmission medium mixed with silt or other particles, silt and the like are easy to accumulate in the groove of the valve plate, which causes the phenomenon that the gate valve is not closed tightly and affects normal use.
Disclosure of Invention
An object of the utility model is to provide a simple structure, use reliable gate valve that is applicable to containing silt medium have solved current gate valve and have influenced by silt and close not tight problem, conveniently carry out the online clearance of silt simultaneously to the life of extension gate valve.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a gate valve suitable for contain silt medium, includes the valve body, locates the upper bonnet on valve body upper portion, locates the valve rod at upper bonnet center, locates the hand wheel of valve rod upper end, locates the valve plate of valve rod lower extreme, and the valve body lower part corresponds the valve plate position and is equipped with the recess, and its technical essential is: the minimum of recess is equipped with the through-hole that leaks husky, the bottommost of valve plate is equipped with the boss that corresponds with the through-hole that leaks husky, the bottom surface of valve body is fixed with down the valve gap on plane and the plane, form the cavity that is used for holding silt between lower valve gap and the valve body, be equipped with the baffle in the cavity, be equipped with the spring between baffle lower surface and the lower valve gap bottom surface, the baffle upper surface contacts and seals the through-hole that leaks husky with the bottom surface of valve body.
Foretell gate valve suitable for contain silt medium, the lower valve gap is the arch, and both sides are equipped with the shutoff board, and both ends are equipped with the engaging lug, the engaging lug utilizes screw and valve body to be connected fixedly, convenient the dismantlement.
The gate valve suitable for the silt-containing medium is characterized in that the spring is a tower spring, so that the installation space is saved.
The above gate valve suitable for silt-containing media is characterized in that the upper surface of the partition plate is provided with the polytetrafluoroethylene coating so as to realize soft sealing with the valve body.
In the gate valve suitable for the medium containing silt, the outer peripheral surface of the boss is a conical surface, and the included angle between the generatrix of the conical surface and the side vertical surface of the valve plate is 150-170 degrees.
The above gate valve suitable for silt-containing media is characterized in that a sealing filler is arranged in the top end of the upper valve cover, the top surface of the upper valve cover is provided with a gland, and the lower surface of the gland is provided with a pressing ring for pressing the sealing filler.
The above gate valve suitable for silt-containing media, valve body top outer peripheral face is equipped with the multiunit articulated elements, is equipped with movable screw rod on the articulated shaft of every articulated element, be equipped with the connecting hole that corresponds with movable screw rod on the gland, the free end of movable screw rod passes and revolves to twist lock nut behind the connecting hole.
The utility model has the advantages that:
the silt deposited in the groove in the valve body is convenient to clean. Because set up the baffle in the cavity, the baffle can block during medium flows into the cavity when the valve is opened, and when the valve was closed, the boss of valve plate lower extreme backed down the baffle, and silt can be dismantled in the cavity, and valve plate and valve body interference fit play sealed effect, can not make the medium leak outward when dismantling lower valve gap clearance silt. The gate valve is reasonable in structural design, safe and reliable to use, applicable to silt-containing media, convenient to clean on line, and capable of prolonging the service life of the valve and improving the production efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the gate valve of the present invention;
fig. 3 is a schematic view of the bottom surface of the valve body and the lower bonnet.
In the figure: 1. the valve comprises a hand wheel, a valve rod 2, a movable screw rod 3, a gland 4, an upper valve cover 5, a valve body 6, a valve plate 7, a valve plate 8, a sand leakage through hole 9, a partition plate 10, a lower valve cover 11, a spring 12, a screw 12, a boss 13, a hinge 14, a sealing filler 15 and a cavity 16.
Detailed Description
As shown in fig. 1-3, the gate valve suitable for the silt-containing medium comprises a valve body 6, an upper valve cover 5 arranged on the upper portion of the valve body 6, a valve rod 2 arranged at the center of the upper valve cover 5, a hand wheel 1 arranged at the upper end of the valve rod 2, and a valve plate 7 arranged at the lower end of the valve rod 2, wherein a groove is arranged at the lower portion of the valve body 6 corresponding to the valve plate 7, a sand leakage through hole 8 is arranged at the lowest point of the groove, a boss 13 corresponding to the sand leakage through hole 8 is arranged at the lowest point of the valve plate 7, a lower valve cover 10 is fixed on the bottom surface of the valve body 6, a cavity 16 for containing silt is formed between the lower valve cover 10 and the valve body 6, a partition plate 9 is arranged in the cavity 16, a spring 11 is arranged between the lower surface of the partition plate 9 and the bottom.
In this embodiment, lower valve gap 10 is the arch, and both sides are equipped with the shutoff board, and both ends are equipped with the engaging lug, the engaging lug utilizes screw 12 and valve body to be connected fixedly, convenient dismantlement. The spring 11 is a tower spring, so that the installation space is saved. The upper surface of the clapboard 9 is provided with a polytetrafluoroethylene coating so as to realize soft sealing with the valve body 6. The peripheral surface of the boss 13 is a conical surface, and the included angle between the generatrix of the conical surface and the side vertical surface of the valve plate 7 is 150 degrees. The top end of the upper valve cover 5 is internally provided with a sealing filler 15, the top surface of the upper valve cover 5 is provided with a gland 4, and the lower surface of the gland 4 is provided with a pressing ring for pressing the sealing filler 15. The outer peripheral face of the top end of the valve body 6 is provided with a plurality of groups of hinged parts 14, a movable screw 3 is arranged on a hinged shaft of each hinged part 14, a connecting hole corresponding to the movable screw 3 is formed in the gland 4, and a locking nut is screwed after the free end of the movable screw 3 penetrates through the connecting hole. The valve plate 7 is in interference fit with the valve body 6, and the tolerance is determined according to the pressure of a medium.
The valve rod 2 adopts an open rod mode, a mark is arranged on the valve rod 2, and after the valve is closed, when the mark on the valve rod 2 is higher than a set position, the sediment accumulation in the cavity 16 is excessive, and the lower valve cover 10 is detached to clean the cavity.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (7)
1. The utility model provides a gate valve suitable for contain silt medium, includes the valve body, locates the upper bonnet on valve body upper portion, locates the valve rod at upper bonnet center, locates the hand wheel of valve rod upper end, locates the valve plate of valve rod lower extreme, and the valve body lower part corresponds the valve plate position and is equipped with recess, its characterized in that: the minimum of recess is equipped with the through-hole that leaks husky, the bottommost of valve plate is equipped with the boss that corresponds with the through-hole that leaks husky, the bottom surface of valve body is fixed with down the valve gap on plane and the plane, form the cavity that is used for holding silt between lower valve gap and the valve body, be equipped with the baffle in the cavity, be equipped with the spring between baffle lower surface and the lower valve gap bottom surface, the baffle upper surface contacts and seals the through-hole that leaks husky with the bottom surface of valve body.
2. A gate valve adapted for use with a silt-laden medium according to claim 1, wherein: the lower valve cover is arched, plugging plates are arranged on two sides of the lower valve cover, connecting lugs are arranged at two ends of the lower valve cover, and the connecting lugs are fixedly connected with the valve body through screws.
3. A gate valve adapted for use with a silt-laden medium according to claim 1, wherein: the spring is a tower spring.
4. A gate valve adapted for use with a silt-laden medium according to claim 1, wherein: and a polytetrafluoroethylene coating is arranged on the upper surface of the partition plate.
5. A gate valve adapted for use with a silt-laden medium according to claim 1, wherein: the outer peripheral surface of the boss is a conical surface, and the included angle between the generatrix of the conical surface and the side vertical surface of the valve plate is 150-170 degrees.
6. A gate valve adapted for use with a silt-laden medium according to claim 1, wherein: the top end of the upper valve cover is internally provided with sealing filler, the top surface of the upper valve cover is provided with a gland, and the lower surface of the gland is provided with a pressing ring for pressing the sealing filler.
7. A gate valve adapted for use with a silt-laden medium according to claim 6, wherein: the valve body top end periphery is equipped with multiunit articulated elements, is equipped with movable screw rod on the articulated shaft of every articulated element, be equipped with the connecting hole that corresponds with movable screw rod on the gland, twist lock nut after the free end of movable screw rod passes the connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020560221.5U CN212429786U (en) | 2020-04-16 | 2020-04-16 | Gate valve suitable for silt-containing medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020560221.5U CN212429786U (en) | 2020-04-16 | 2020-04-16 | Gate valve suitable for silt-containing medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212429786U true CN212429786U (en) | 2021-01-29 |
Family
ID=74299011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020560221.5U Active CN212429786U (en) | 2020-04-16 | 2020-04-16 | Gate valve suitable for silt-containing medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212429786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382905A (en) * | 2021-12-03 | 2022-04-22 | 盐城工学院 | A reliable flat gate valve with sand control function |
-
2020
- 2020-04-16 CN CN202020560221.5U patent/CN212429786U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382905A (en) * | 2021-12-03 | 2022-04-22 | 盐城工学院 | A reliable flat gate valve with sand control function |
| CN114382905B (en) * | 2021-12-03 | 2023-06-27 | 盐城工学院 | Reliable flat gate valve with sand prevention function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220223 Address after: 125000 office building, building 1-113, chemical Street, Lianshan District, Huludao City, Liaoning Province Patentee after: Hangjin Jinxi Chlor Alkali Chemical Co.,Ltd. Address before: 125000 No.1 Chemical street, Lianshan District, Huludao City, Liaoning Province Patentee before: HANGJIN TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right |