CN215763509U - Large-traffic high-speed discharge valve of waterproof hammer - Google Patents
Large-traffic high-speed discharge valve of waterproof hammer Download PDFInfo
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- CN215763509U CN215763509U CN202121621691.9U CN202121621691U CN215763509U CN 215763509 U CN215763509 U CN 215763509U CN 202121621691 U CN202121621691 U CN 202121621691U CN 215763509 U CN215763509 U CN 215763509U
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Abstract
The utility model discloses a large-flow high-speed exhaust valve for a waterproof hammer, which comprises a valve body and a valve cover, wherein a water inlet is formed in the bottom of the valve body, a water outlet is formed in the side surface of the valve body, a flow guide cover is fixed in the valve body and consists of a partition plate, a hollow column, an umbrella-shaped cover and a flow guide cylinder, a distance is kept between the lower end of the flow guide cylinder and the bottom of the valve body, the water outlet is positioned on one side of the flow guide cylinder and positioned below the umbrella-shaped cover, a buffer mechanism is also arranged on a bottom plate of the hollow column and comprises a hemispherical cover, a connecting rod and a buffer spring, and the concave part of the hemispherical cover faces towards the water inlet and is coaxially arranged with the water inlet.
Description
Technical Field
The utility model relates to a large-flow high-speed exhaust valve for a water hammer.
Background
The high-flow and high-speed exhaust valve is used for exhausting the mixed air in the water outlet pipe, so that the water hammer is prevented from damaging the water pipe; however, since the flow rate of the exhaust valve is large, water hammer is formed by water flow entering the exhaust valve in the exhaust process to damage the exhaust valve, and therefore, a large-flow high-speed exhaust valve for preventing water hammer is required to be designed to prolong the service life of the high-speed exhaust valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a water hammer-proof high-flow high-speed exhaust valve.
The technical scheme of the utility model is as follows: a large-flow high-speed exhaust valve for a water hammer prevention comprises a valve body with a through cavity and a valve cover connected to the top of the valve body, wherein a water inlet is formed in the bottom of the valve body, a water outlet is formed in the side face of the valve body, a valve rod is connected to the valve cover in a vertically moving mode, and the lower end of the valve rod is inserted into the valve cover and is connected with a valve clack;
a flow guide cover is fixed in the valve body, a partition plate is arranged at the top of the flow guide cover, the partition plate is arranged below the valve clack and above the water outlet, and the partition plate divides the valve body into an upper cavity and a lower cavity;
the middle part of the air guide sleeve is provided with a hollow column, the top of the hollow column is open and penetrates through the upper cavity, the hollow column and the valve rod are coaxially arranged, the bottom of the hollow column is provided with a bottom plate, a floating ball is further arranged in the hollow column, and the upper end of the hollow column is further densely distributed with through holes;
the air guide sleeve below the partition plate is an umbrella-shaped sleeve, the air guide sleeve between the umbrella-shaped sleeve and the hollow column is also provided with an air guide cylinder, the lower end of the air guide cylinder keeps a distance from the bottom of the valve body, and the water outlet is positioned on one side of the air guide cylinder and below the umbrella-shaped sleeve;
a buffer mechanism is further arranged on the bottom plate of the hollow column;
the buffer mechanism comprises a hemispherical cover, a connecting rod and a buffer spring, the concave part of the hemispherical cover faces the water inlet and is coaxially arranged with the water inlet, the connecting rod is connected with the top of the hemispherical cover and is connected to the bottom plate of the hollow column in an up-and-down moving mode, the buffer spring is sleeved on the connecting rod, and the upper end and the lower end of the buffer spring are respectively connected with the hemispherical cover and the bottom plate.
Specifically, the bottom plate closes the bottom of the hollow column.
Furthermore, the bottom of the valve clack is also provided with a convex block, the convex block extends into the inner upper end of the hollow column, and the diameter of the floating ball is smaller than the inner diameter of the hollow column.
Furthermore, the connection part of the clapboard, the umbrella-shaped cover and the inner wall of the valve body is also provided with a seal.
Specifically, the hemisphere cover is located in the draft tube.
Specifically, the bottom plate is welded with the bottom of the hollow column into a whole.
The utility model has the beneficial effects that: the utility model has compact structure and simple structure, can quickly discharge the air in the water flow, is internally provided with the waterproof hammer structure, can effectively avoid the damage of the water hammer formed by the water flow to the valve body, and has long service life.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings.
As shown in fig. 1, the large-flow high-speed exhaust valve for the water hammer prevention comprises a valve body 1 with a through cavity and a valve cover 2 connected to the top of the valve body 1, wherein a water inlet 3 is formed in the bottom of the valve body 1, a water outlet 4 is formed in the side surface of the valve body 1, a valve rod 5 is connected to the valve cover 2 in a vertically moving mode, and the lower end of the valve rod 5 is inserted into the valve cover 2 and is connected with a valve clack 6;
a flow guide cover is fixed in the valve body 1, a partition plate 7 is arranged at the top of the flow guide cover, the partition plate 7 is arranged below the valve clack 6 and above the water outlet 4, and the partition plate 7 divides the interior of the valve body 1 into an upper cavity 8 and a lower cavity 9;
the middle part of the air guide sleeve is provided with a hollow column 10, the top of the hollow column 10 is open and penetrates through the upper cavity 8, the hollow column 10 and the valve rod 5 are coaxially arranged, the bottom of the hollow column 10 is provided with a bottom plate 11, the bottom plate 11 seals the bottom of the hollow column 10, a floating ball 12 is further arranged in the hollow column 10, and the upper end of the hollow column 10 is densely distributed with through holes 13;
the bottom of the valve clack 6 is also provided with a convex block 14, the convex block 14 extends into the inner upper end of the hollow column 10, and the diameter of the floating ball 12 is smaller than the inner diameter of the hollow column 10, so that the floating ball 12 can lift along with the water level and jack up the valve clack 6;
the air guide sleeve below the partition plate 7 is an umbrella-shaped sleeve 15, an air guide sleeve 16 is further arranged on the air guide sleeve between the umbrella-shaped sleeve 15 and the hollow column 10, a distance is kept between the lower end of the air guide sleeve 16 and the bottom of the valve body 1, and the water outlet 4 is positioned on one side of the air guide sleeve 16 and below the umbrella-shaped sleeve 15;
in order to ensure the sealing property between the lower cavity 9 and the upper cavity 8, the connection part of the clapboard 7 and the umbrella-shaped cover 15 with the inner wall of the valve body 1 is also provided with a seal;
through the structure, water flow enters from the water inlet 3 and flows between the umbrella-shaped cover 15 and the flow guide cover under the inertia effect, in the process, air floats upwards and enters the hollow column 10, the water level descends due to the accumulation of the air, the floating ball 12 descends, and the valve rod 5 and the valve clack 6 move downwards to discharge the air; when the air is discharged to a certain degree, the water level rises back to drive the floating ball 12 to rise, the valve rod 5 and the valve clack 6 reset under the jacking of the floating ball 12, and the water cannot be discharged from the valve cover 2; the exhausted water flow overflows from the bottom of the guide shell 16 and is discharged from the water outlet 4;
in order to prevent the water hammer formed by a large amount of air in the water inlet 3 from damaging the air guide sleeve and the valve body 1, a buffer mechanism is further arranged on the bottom plate 11 of the hollow column 10;
the buffer mechanism comprises a hemispherical cover 17, a connecting rod 18 and a buffer spring 19, the concave part of the hemispherical cover 17 faces the water inlet 3 and is coaxial with the water inlet 3, the connecting rod 18 is connected with the top of the hemispherical cover 17 and is connected to the bottom plate 11 of the hollow column 10 in an up-and-down movement manner, the buffer spring 19 is sleeved on the connecting rod 18, and the upper end and the lower end of the buffer spring are respectively connected with the hemispherical cover 17 and the bottom plate 11;
through the structure, when the water hammer is formed at the water inlet 3, the water hammer can directly impact the hemispherical cover 17, the hemispherical cover 17 buffers the impact of the water hammer under the action of the spring, and then water flow is uniformly guided to the periphery, so that the air guide sleeve and the interior of the valve body 1 are prevented from being damaged;
furthermore, the hemispherical cover is positioned in the guide shell 16, so that air in water flow is prevented from being discharged from the water outlet 4 without being discharged;
specifically, the bottom plate 11 is welded to the bottom of the hollow column 10.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a large-traffic high-speed discharge valve of waterproof hammer, includes the valve body that has logical chamber and connects the valve gap at the valve body top, its characterized in that: the bottom of the valve body is provided with a water inlet, the side surface of the valve body is provided with a water outlet, the valve cover is connected with a valve rod in a way of moving up and down, and the lower end of the valve rod is inserted into the valve cover and is connected with a valve clack;
a flow guide cover is fixed in the valve body, a partition plate is arranged at the top of the flow guide cover, the partition plate is arranged below the valve clack and above the water outlet, and the partition plate divides the valve body into an upper cavity and a lower cavity;
the middle part of the air guide sleeve is provided with a hollow column, the top of the hollow column is open and penetrates through the upper cavity, the hollow column and the valve rod are coaxially arranged, the bottom of the hollow column is provided with a bottom plate, a floating ball is further arranged in the hollow column, and the upper end of the hollow column is further densely distributed with through holes;
the air guide sleeve below the partition plate is an umbrella-shaped sleeve, the air guide sleeve between the umbrella-shaped sleeve and the hollow column is also provided with an air guide cylinder, the lower end of the air guide cylinder keeps a distance from the bottom of the valve body, and the water outlet is positioned on one side of the air guide cylinder and below the umbrella-shaped sleeve;
a buffer mechanism is further arranged on the bottom plate of the hollow column;
the buffer mechanism comprises a hemispherical cover, a connecting rod and a buffer spring, the concave part of the hemispherical cover faces the water inlet and is coaxially arranged with the water inlet, the connecting rod is connected with the top of the hemispherical cover and is connected to the bottom plate of the hollow column in an up-and-down moving mode, the buffer spring is sleeved on the connecting rod, and the upper end and the lower end of the buffer spring are respectively connected with the hemispherical cover and the bottom plate.
2. The water hammer resistant high flow rate high speed exhaust valve according to claim 1, characterized in that: the bottom plate closes the bottom of the hollow column.
3. The water hammer resistant high flow rate high speed exhaust valve according to claim 2, characterized in that: the bottom of the valve clack is also provided with a convex block, the convex block extends into the inner upper end of the hollow column, and the diameter of the floating ball is smaller than the inner diameter of the hollow column.
4. The high-flow high-speed exhaust valve for the water hammer prevention according to claim 3, is characterized in that: and the joint of the clapboard, the umbrella-shaped cover and the inner wall of the valve body is also provided with a seal.
5. The high-flow high-speed exhaust valve for the water hammer prevention according to claim 4, is characterized in that: the hemispherical cover is positioned in the guide shell.
6. The high-flow high-speed exhaust valve for the water hammer prevention according to claim 5, is characterized in that: the bottom plate is welded with the bottom of the hollow column into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121621691.9U CN215763509U (en) | 2021-07-16 | 2021-07-16 | Large-traffic high-speed discharge valve of waterproof hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121621691.9U CN215763509U (en) | 2021-07-16 | 2021-07-16 | Large-traffic high-speed discharge valve of waterproof hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215763509U true CN215763509U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121621691.9U Active CN215763509U (en) | 2021-07-16 | 2021-07-16 | Large-traffic high-speed discharge valve of waterproof hammer |
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|---|---|
| CN (1) | CN215763509U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576368A (en) * | 2022-03-25 | 2022-06-03 | 安徽皖控自动化仪表有限公司 | High-reliability anti-compression water-closing pipeline for torpedo launching tube liquid level switch |
| CN115974225A (en) * | 2023-03-09 | 2023-04-18 | 北京康桥诚品科技有限公司 | Modularized photocatalyst technology floating cabin disinfection and killing equipment |
-
2021
- 2021-07-16 CN CN202121621691.9U patent/CN215763509U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576368A (en) * | 2022-03-25 | 2022-06-03 | 安徽皖控自动化仪表有限公司 | High-reliability anti-compression water-closing pipeline for torpedo launching tube liquid level switch |
| CN114576368B (en) * | 2022-03-25 | 2023-08-22 | 安徽皖控自动化仪表有限公司 | High-reliability compression-resistant closed water pipeline for torpedo transmitting tube liquid level switch |
| CN115974225A (en) * | 2023-03-09 | 2023-04-18 | 北京康桥诚品科技有限公司 | Modularized photocatalyst technology floating cabin disinfection and killing equipment |
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