CN217101339U - Cover plate of emergency drain valve on top of storage tank - Google Patents
Cover plate of emergency drain valve on top of storage tank Download PDFInfo
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- CN217101339U CN217101339U CN202123334333.2U CN202123334333U CN217101339U CN 217101339 U CN217101339 U CN 217101339U CN 202123334333 U CN202123334333 U CN 202123334333U CN 217101339 U CN217101339 U CN 217101339U
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- cover plate
- water
- storage tank
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- filter screen
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Abstract
The utility model discloses a storage tank deck emergency drainage valve cover plate, which belongs to the technical field of drainage valve cover plates and comprises a cover plate, a hook bolt and a nut, wherein the upper surface of the cover plate is provided with three slotted holes, one end of the hook bolt runs through the slotted holes and extends to the upper surface of the cover plate, and one end of the hook bolt is movably connected with the nut through threads; the utility model discloses in, through being provided with lifting unit, when the water yield is big, the drain valve can not be timely walk the rivers, there is water to block up on carrying the water board, when carrying water on the water board and reaching basis weight, can make and carry the downward displacement of water board, also can drive the drive rack simultaneously and move down, consequently, drive gear revolve, thereby make lifter plate and filter screen rise, the filter screen also can filter rubbish in the outside of filter screen simultaneously, the size in the hole that leaks is adjusted to the size of accessible water yield, thereby can guarantee that the water yield can not block up, prevent that the water yield from blocking up and leading to the fact certain safety problem.
Description
Technical Field
The utility model belongs to the technical field of the drain valve apron, especially, relate to an urgent drain valve apron of storage tank deck.
Background
For a conventional crude oil external floating roof storage tank, an emergency drainage device is arranged on the floating roof. Under general conditions, rainwater is discharged out of the tank through the central drainage pipe, but when the central drainage pipe breaks down or rainfalls, the central drainage pipe has limited drainage capacity due to large rainfall, so that accumulated water cannot be discharged in time, and at this time, an emergency drainage valve is needed.
The emergency drain valve plays a water sealing role at ordinary times, when emergency drainage is carried out, water on the floating disc enters the emergency drainage port, the floating ball in the valve is flushed by rainwater, the internal one-way valve is opened, and the water enters the tank through the valve. The emergency drain valve is usually provided with a cover plate for protecting the valve, the cover plate of the emergency drain valve is easy to be damaged due to corrosion under the rainy and humid weather conditions, and the existing emergency drain valve cover plate is difficult to disassemble and difficult to maintain due to the problems of materials and structures once being corroded.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems, the cover plate of the emergency drainage valve on the tank top of the storage tank is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a storage tank deck emergency drain valve apron, includes apron, eave tile bolt and nut, the upper surface of apron is provided with three slotted hole, the one end of eave tile bolt runs through in the slotted hole and extends to the upper surface of apron, screw thread and nut swing joint are passed through to the one end of eave tile bolt, the other end of eave tile bolt is provided with the flange, the upper surface of flange is provided with the wire net.
As a further description of the above technical solution:
the inner wall of the cover plate is provided with a lifting plate, a filter screen is fixedly mounted on the lower surface of the lifting plate, and the other end of the filter screen extends to the lower surface of the cover plate.
As a further description of the above technical solution:
the lower fixed surface of apron installs the fixed column, fixed mounting has connecting spring on the inner wall of fixed column, connecting spring's the other end is provided with lifting unit.
As a further description of the above technical solution:
the lifting assembly comprises a driving rack, a driven rack and a gear, one end of the driving rack is fixedly connected with the other end of the connecting spring, and the other end of the driving rack extends to the lower surface of the fixing column and is fixedly provided with a water carrying plate.
As a further description of the above technical solution:
one end of the driven rack extends to the outside of the lower surface of the cover plate and is fixedly connected with the lower surface of the lifting plate, and the gear is movably connected with the inner wall of the fixed column through the rotating shaft.
As a further description of the above technical solution:
the driving rack and the driven rack are movably connected with the inner wall of the fixed column through limiting rods, and are connected with the gear in a meshed mode.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. in the utility model, through the lifting component, when the water quantity is not large, water can flow into the pipeline through the steel wire mesh, the garbage in the water can be blocked by the steel wire mesh, when the water quantity is large, the water can not be timely drained by the drain valve, water can be blocked on the water carrying plate, when the water on the water carrying plate reaches a certain weight, the water carrying plate can be moved downwards, and the driving rack can be driven to move downwards, the gear is meshed with the driving rack and is connected, so the gear is driven to rotate, the gear is meshed with the driven rack and is connected, so the driven rack is driven to ascend, so the lifting plate and the filter screen ascend, water leakage holes appear on the upper surface of the cover plate, meanwhile, the filter screen can filter the garbage outside the filter screen, when the water quantity is small, the connecting spring can drive the driving rack to ascend, so the lifting plate is driven to ascend, the lifting plate descends through the gear, the size of the water leakage hole can be adjusted according to the water quantity, so that the water quantity can be prevented from blocking, and certain safety problem caused by water quantity blocking is prevented.
2. The utility model discloses in, through being provided with the eave tile bolt, be connected the one end of eave tile bolt and the lower surface of flange, run through the other end of eave tile bolt simultaneously and pass the slotted hole on the apron, it is fixed with the apron to utilize the nut to make the eave tile bolt through the screw rotation, makes the corrosion resistant plate and the flange of apron lower surface fix simultaneously, fixes the wire net in corrosion resistant plate's the outside this moment, and whole apron device is succinct clear, very easily dismantles the equipment again, provides very big convenience for the maintenance operation.
Drawings
Fig. 1 is a schematic perspective view of a cover plate of an emergency drain valve on a tank top of a storage tank.
Fig. 2 is a schematic diagram of the internal structure of an emergency drain valve cover plate of the tank top of a storage tank.
Fig. 3 is an enlarged schematic structural diagram of a position A of a cover plate of an emergency drain valve on the top of a storage tank.
Fig. 4 is a schematic perspective view of a hook bolt in an emergency drain valve cover plate on the top of a storage tank.
Illustration of the drawings:
1. a cover plate; 2. a hook bolt; 3. a lifting plate; 4. steel wire mesh; 5. a flange; 6. a water carrying plate; 7. a filter screen; 8. a nut; 9. a connecting spring; 10. a lifting assembly; 101. a drive rack; 102. a driven rack; 103. a gear; 11. and (5) fixing the column.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a cover plate of an emergency drain valve on the top of a storage tank comprises; apron 1, eave tile bolt 2 and nut 8, the upper surface of apron 1 is provided with three slotted hole, the one end of eave tile bolt 2 runs through in the slotted hole and extends to the upper surface of apron 1, screw thread and nut 8 swing joint are passed through to the one end of eave tile bolt 2, the other end of eave tile bolt 2 is provided with flange 5, the upper surface of flange 5 is provided with wire net 4.
The specific implementation mode is as follows: one end of the hook bolt 2 is connected with the lower surface of the flange 5, the other end of the hook bolt 2 penetrates through the slotted hole in the cover plate 1, the hook bolt 2 is fixed with the cover plate 1 through threaded rotation by utilizing a nut 8, and meanwhile, the stainless steel plate on the lower surface of the cover plate 1 is fixed with the flange 5.
The inner wall of the cover plate 1 is provided with a lifting plate 3, the lower surface of the lifting plate 3 is fixedly provided with a filter screen 7, the other end of the filter screen 7 extends to the lower surface of the cover plate 1, the lower surface of the cover plate 1 is fixedly provided with a fixed column 11, the inner wall of the fixed column 11 is fixedly provided with a connecting spring 9, the other end of the connecting spring 9 is provided with a lifting assembly 10, the lifting assembly 10 comprises a driving rack 101, a driven rack 102 and a gear 103, one end of the driving rack 101 is fixedly connected with the other end of the connecting spring 9, the other end of the driving rack 101 extends to the lower surface of the fixed column 11 and is fixedly provided with a water carrying plate 6, one end of the driven rack 102 extends out of the lower surface of the cover plate 1 and is fixedly connected with the lower surface of the lifting plate 3, and the gear 103 is movably connected with the inner wall of the fixed column 11 through a rotating shaft, the driving rack 101 and the driven rack 102 are movably connected with the inner wall of the fixed column 11 through limiting rods, and the driving rack 101 and the driven rack 102 are meshed and connected with the gear 103.
The specific implementation mode is as follows: when the water quantity is not large, the water flows into the pipeline through the steel wire mesh 4, the garbage in the water is blocked by the steel wire mesh 4, when the water quantity is large, the water discharge valve can not timely flow away the water, the water is blocked on the water carrying plate 6, when the water on the water carrying plate 6 reaches a certain weight, the water carrying plate 6 will move downwards and drive the driving rack 101 to move downwards, the gear 103 is meshed with the driving rack 101, so that the gear is driven to rotate, the gear 103 is meshed with the driven rack 102, so that the driven rack 102 is driven to ascend, thereby leading the lifting plate 3 and the filter screen 7 to ascend, leading the upper surface of the cover plate 1 to have water leakage holes, meanwhile, the filter screen 7 can filter the garbage outside the filter screen 7, and when the water amount is small, the connecting spring 9 can drive the driving rack 101 to ascend, so that the moving plate is driven to ascend, and the lifting plate 3 descends through the gear 103.
The working principle is as follows: one end of a hook bolt 2 is connected with the lower surface of a flange 5, the other end of the hook bolt 2 penetrates through a slotted hole on a cover plate 1, the hook bolt 2 is fixed with the cover plate 1 by utilizing a nut 8 to rotate through threads, a stainless steel plate on the lower surface of the cover plate 1 is fixed with the flange 5, a steel wire mesh 4 is fixed on the outer side of the stainless steel plate, when the water amount is not large, water can flow into a pipeline through the steel wire mesh 4, garbage in the water can be blocked by the steel wire mesh 4, when the water amount is large, a drain valve can not timely flow away the water, water can be blocked on a water carrying plate 6, when the water on the water carrying plate 6 reaches a certain weight, the water carrying plate 6 can move downwards, and meanwhile, a driving rack 101 can also be driven to move downwards, because a gear 103 is meshed with the driving rack 101, the gear is driven to rotate, and because the gear 103 is meshed with the driven rack 102, therefore, the driven rack 102 is driven to ascend, so that the lifting plate 3 and the filter screen 7 ascend, water leakage holes appear on the upper surface of the cover plate 1, meanwhile, the filter screen 7 can filter garbage outside the filter screen 7, when the water amount is small, the connecting spring 9 can drive the driving rack 101 to ascend, so that the moving plate is driven to ascend, and the lifting plate 3 descends through the gear 103.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a storage tank deck emergency drainage valve apron, includes apron (1), eave tile bolt (2) and nut (8), its characterized in that: the upper surface of apron (1) is provided with three slotted hole, the one end of eave tile bolt (2) runs through in the slotted hole and extends to the upper surface of apron (1), the one end of eave tile bolt (2) is passed through screw thread and nut (8) swing joint, the other end of eave tile bolt (2) is provided with flange (5), the upper surface of flange (5) is provided with wire net (4).
2. The cover plate of the emergency drainage valve on the tank top of the storage tank as claimed in claim 1, wherein the inner wall of the cover plate (1) is provided with a lifting plate (3), a filter screen (7) is fixedly mounted on the lower surface of the lifting plate (3), and the other end of the filter screen (7) extends to the lower surface of the cover plate (1).
3. The cover plate of the emergency drainage valve on the tank top of the storage tank as claimed in claim 2, wherein a fixing column (11) is fixedly installed on the lower surface of the cover plate (1), a connecting spring (9) is fixedly installed on the inner wall of the fixing column (11), and a lifting assembly (10) is arranged at the other end of the connecting spring (9).
4. The cover plate of the emergency drainage valve on the tank top of the storage tank according to claim 3, wherein the lifting assembly (10) comprises a driving rack (101), a driven rack (102) and a gear (103), one end of the driving rack (101) is fixedly connected with the other end of the connecting spring (9), and the other end of the driving rack (101) extends to the lower surface of the fixing column (11) and is fixedly provided with the water carrying plate (6).
5. The cover plate of the emergency drain valve on the top of the storage tank as claimed in claim 4, wherein one end of the driven rack (102) extends out of the lower surface of the cover plate (1) and is fixedly connected with the lower surface of the lifting plate (3), and the gear (103) is movably connected with the inner wall of the fixed column (11) through a rotating shaft.
6. The cover plate of the emergency drainage valve on the tank top of the storage tank as claimed in claim 5, wherein the driving rack (101) and the driven rack (102) are movably connected with the inner wall of the fixed column (11) through limiting rods, and the driving rack (101) and the driven rack (102) are meshed and connected with the gear (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123334333.2U CN217101339U (en) | 2021-12-28 | 2021-12-28 | Cover plate of emergency drain valve on top of storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123334333.2U CN217101339U (en) | 2021-12-28 | 2021-12-28 | Cover plate of emergency drain valve on top of storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217101339U true CN217101339U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123334333.2U Active CN217101339U (en) | 2021-12-28 | 2021-12-28 | Cover plate of emergency drain valve on top of storage tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115108622A (en) * | 2022-08-19 | 2022-09-27 | 瑞蓝科环保工程技术有限公司 | Ozone catalytic oxidation tower |
-
2021
- 2021-12-28 CN CN202123334333.2U patent/CN217101339U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115108622A (en) * | 2022-08-19 | 2022-09-27 | 瑞蓝科环保工程技术有限公司 | Ozone catalytic oxidation tower |
| CN115108622B (en) * | 2022-08-19 | 2023-01-24 | 瑞蓝科环保工程技术有限公司 | Ozone catalytic oxidation tower |
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