CN215488342U - Water hammer eliminating device of secondary water supply equipment - Google Patents
Water hammer eliminating device of secondary water supply equipment Download PDFInfo
- Publication number
- CN215488342U CN215488342U CN202121130690.4U CN202121130690U CN215488342U CN 215488342 U CN215488342 U CN 215488342U CN 202121130690 U CN202121130690 U CN 202121130690U CN 215488342 U CN215488342 U CN 215488342U
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- fixedly connected
- water supply
- piston
- valve body
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000007924 injection Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 10
- 230000003139 buffering effect Effects 0.000 description 5
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a water hammer eliminating device of secondary water supply equipment, which comprises a water supply pipeline, wherein one end of the water supply pipeline is provided with a water inlet, the other end of the water supply pipeline is provided with a water outlet, the top of the water supply pipeline is fixedly connected with a connecting pipe, the top of the connecting pipe is fixedly connected with a lower flange plate, the top of the lower flange plate is fixedly connected with an upper flange plate through bolts, the top of the upper flange plate is fixedly connected with a valve body, a cavity is arranged inside the valve body, the top of the valve body is fixedly connected with a gas pipe, the top of the gas pipe is fixedly connected with a gas injection valve, two sides of the gas injection valve are respectively and fixedly connected with a gas injection port and a valve, the top of the gas injection valve is fixedly connected with a pressure gauge, and the bottom inside the valve body is provided with a piston plate. The damage to the pipeline caused by stamping is reduced to the maximum extent.
Description
Technical Field
The utility model relates to the technical field of water hammer elimination, in particular to a water hammer eliminating device of secondary water supply equipment.
Background
Since all flowing liquid has kinetic energy, it is often dangerous to convert the kinetic energy into pressure when the fluid is suddenly stopped. This "water hammer" is typically produced on piping systems that are fitted with quick-closing valves. Due to the generation of water hammer, the pressure in the pipeline is increased sharply to exceed the normal pressure by several times or even dozens of times, the damage is great, the pipeline can be broken, and the production and the life are influenced. The pipe is broken due to over-high pressure, and conversely, the pipe is shriveled due to over-low pressure, the valve and the fixing piece are damaged, the later maintenance is inconvenient, and the device is very important for secondary water of the life of the residents at present. Therefore, we improve the water hammer eliminating device of the secondary water supply equipment.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model discloses a water hammer eliminating device of secondary water supply equipment, which comprises a water supply pipeline, wherein a water inlet is formed in one end of the water supply pipeline, a water outlet is formed in the other end of the water supply pipeline, a connecting pipe is fixedly connected to the top of the water supply pipeline, a lower flange plate is fixedly connected to the top of the connecting pipe, an upper flange plate is fixedly connected to the top of the lower flange plate through bolts, a valve body is fixedly connected to the top of the upper flange plate, a cavity is formed in the valve body, a gas pipe is fixedly connected to the top of the valve body, a gas injection valve is fixedly connected to the top of the gas pipe, a gas injection port and a valve are respectively and fixedly connected to two sides of the gas injection valve, a pressure gauge is fixedly connected to the top of the gas injection valve, and a piston plate is arranged at the bottom in the valve body.
As a preferred technical scheme of the utility model, a water retaining ring is arranged between the piston disc and the side wall of the cavity in the valve body, and two water retaining rings are arranged at the top and the bottom of the piston disc.
As a preferable technical scheme of the utility model, four buffer chambers are fixedly connected to the surface of the valve body, and a limiting block is arranged in each buffer chamber.
As a preferable technical scheme of the utility model, a piston is arranged in the buffer chamber, the piston is arranged on one side of the limiting block, which is far away from the valve body, and a spring is arranged between the piston and one end of the inner wall of the buffer chamber.
According to a preferable technical scheme of the utility model, two O-shaped ring grooves are formed in the periphery of the piston along the circumferential direction, O-shaped rings are arranged in the O-shaped ring grooves, and the piston is connected with the inner wall of the buffer chamber in a sealing mode through the O-shaped rings.
As a preferred technical scheme of the utility model, the upper flange plate is a threaded flange plate, a stepped inner hole is arranged in the upper flange plate, the upper part of the stepped inner hole is welded with the bottom of the valve body, threads are arranged at the lower part of the stepped inner hole, and the lower part of the stepped inner hole is connected with the lower flange plate through threads.
As a preferred technical scheme of the utility model, the piston disc and the piston are both made of steel pistons, three buffer rods are arranged at the top of the piston disc, the buffer rods are of a stepped structure, and limit stoppers are arranged in the buffer rods.
The utility model has the beneficial effects that: the water hammer eliminating device of the secondary water supply equipment is different from the prior art, has reasonable structure, convenient use and simple operation, and can enable a user to simply and clearly understand the working principle; by arranging the water retaining ring 9, when the water valve is closed, a water hammer phenomenon can occur, water can impact the piston disc 8, and the water retaining ring 9 can prevent water from entering the valve body 4 to affect use; by arranging the buffer chamber 10, the pressure generated by water can be eliminated for the second time, so that the water hammer eliminating effect is better, and the harm generated by the water hammer is reduced; the spring 13 and the limiting block 11 are arranged, so that the piston 12 moves under the elasticity of the spring 13, and the buffering effect can be better; the sealing performance is ensured by arranging the O-shaped ring, so that air leakage cannot occur during use, and the using effect is not influenced; the lower flange plate 2 is provided with a step-type inner hole, so that the connection is convenient, and the limit on the lower stroke of the piston plate 8 can be formed; by providing the buffer rod 14, not only the buffer effect inside the valve body 4 is increased, but also the guiding function for the piston disc 8 is performed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural view of a main body of a water hammer eliminating device of a secondary water supply apparatus according to the present invention;
fig. 2 is a schematic plan view of a water hammer removing device of a secondary water supply apparatus according to the present invention.
In the figure: 1. a water supply pipeline; 2. a lower flange plate; 3. an upper flange plate; 4. a valve body; 5. an air injection valve; 6. a valve; 7. a pressure gauge; 8. a piston disc; 9. a water retaining ring; 10. a buffer chamber; 11. a limiting block; 12. a piston; 13. a spring; 14. a buffer rod.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
As shown in the figure 1-2, the water hammer eliminating device of the secondary water supply equipment comprises a water supply pipeline 1, one end of the water supply pipeline 1 is provided with a water inlet, the other end of the water supply pipeline 1 is provided with a water outlet, the top of the water supply pipeline 1 is fixedly connected with a connecting pipe, the top end of the connecting pipe is fixedly connected with a lower flange 2, the top end of the lower flange 2 is fixedly connected with an upper flange 3 through bolts, the top end of the upper flange 3 is fixedly connected with a valve body 4, a cavity is arranged inside the valve body 4, the top end of the valve body 4 is fixedly connected with a gas pipe, the top end of the gas pipe is fixedly connected with a gas injection valve 5, two sides of the gas injection valve 5 are respectively and fixedly connected with a gas injection port and a valve 6, the top end of the gas injection valve 5 is fixedly connected with a pressure gauge 7, and the bottom inside the valve body 4 is provided with a piston disc 8.
Wherein, be equipped with manger plate ring 9 between piston dish 8 and the inside cavity lateral wall of valve body 4, piston dish 8 top and bottom all are provided with two manger plate rings 9, through being provided with manger plate ring 9, when closing the water valve, can take place the water hammer phenomenon, and water can strike piston dish 8, and manger plate ring 9 can prevent that rivers from getting into inside valve body 4, the influence is used.
Wherein, four surge chambers 10 of valve body 4 fixed surface are connected with, and surge chamber 10 is inside to be provided with stopper 11, through being provided with surge chamber 10, can carry out the secondary to the pressure that water produced and eliminate, makes the water hammer elimination effect better, reduces the harm that the water hammer produced.
Wherein, the inside piston 12 that is provided with of surge chamber 10, piston 12 set up and keep away from valve body 4 one side at stopper 11, are provided with spring 13 between piston 12 and the 10 inner wall one ends of surge chamber, through being provided with spring 13 and stopper 11, make piston 12 remove under spring 13's elasticity, can make the effect of buffering better.
Wherein, two O type circle grooves have been seted up along circumference in the piston 12 periphery, have installed O type circle in the O type circle groove, pass through O type circle sealing connection between piston 12 and the surge chamber 10 inner wall, guarantee its leakproofness through being provided with O type circle, can not leak gas during the use, influence the result of use.
Wherein, the upper flange 3 is the threaded flange, and the inside stepped inner hole that is equipped with of upper flange 3, stepped inner hole upper portion and 4 bottom weldings of valve body, and stepped inner hole lower part is equipped with the screw thread, and stepped inner hole lower part and lower flange 2 pass through threaded connection, are provided with the stepped inner hole through lower flange 2, not only conveniently connect, but also can form the spacing to piston disc 8 lower stroke.
Wherein, piston dish 8 and piston 12 all adopt the steel piston, and 8 tops of piston dish are provided with three buffer beam 14, and buffer beam 14 is cascaded structure, and buffer beam 14 is inside to be provided with limit stop, through being provided with buffer beam 14, has not only increased the inside buffering effect of valve body 4, has still played the guide effect to piston dish 8.
When the water valve works, when the valve is closed, water flow in the water supply pipeline 1 can bring stamping, the water flow enters the valve body 4 to stamp the piston disc 8, the piston disc 8 moves upwards in the valve body 4 to extrude internal gas, the gas enters the buffer chamber 10 to extrude the piston 12, the pressure is buffered in the four buffer chambers 10, the pressure generated by water is well eliminated, the damage to the water pipe is reduced, the gas pressure in the valve body 4 can be adjusted through the air inlet, a water hammer phenomenon can occur when the water valve is closed, the water can impact the piston disc 8, the water hammer ring 9 can prevent the water flow from entering the valve body 4 to affect the use, the pressure generated by the water can be secondarily eliminated through the buffer chamber 10, the water hammer eliminating effect is better, the damage generated by the water hammer is reduced, and by arranging the spring 13 and the limiting block 11, make piston 12 remove under spring 13's elasticity, the effect that can make the buffering is better, guarantees its leakproofness through being provided with O type circle, can not leak gas during the use, influences the result of use, is provided with the step hole through lower flange 2, not only conveniently connects, but also can form the spacing to piston disc 8 lower stroke, through being provided with buffer beam 14, not only increased the inside buffering effect of valve body 4, still played the guide effect to piston disc 8.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The water hammer eliminating device of the secondary water supply equipment comprises a water supply pipeline (1) and is characterized in that one end of the water supply pipeline (1) is provided with a water inlet, the other end of the water supply pipeline (1) is provided with a water outlet, a connecting pipe is fixedly connected to the top of the water supply pipeline (1), the top end of the connecting pipe is fixedly connected with a lower flange plate (2), the top end of the lower flange plate (2) is fixedly connected with an upper flange plate (3) through bolts, the top end of the upper flange plate (3) is fixedly connected with a valve body (4), a cavity is arranged inside the valve body (4), the top end of the valve body (4) is fixedly connected with a gas pipe, the top end of the gas pipe is fixedly connected with a gas injection valve (5), the two sides of the gas injection valve (5) are respectively and fixedly connected with a gas injection port and a valve (6), and the top end of the gas injection valve (5) is fixedly connected with a pressure gauge (7), and a piston disc (8) is arranged at the bottom inside the valve body (4).
2. The water hammer eliminating device for the secondary water supply equipment according to claim 1, characterized in that a water retaining ring (9) is arranged between the piston disc (8) and the side wall of the inner cavity of the valve body (4), and two water retaining rings (9) are arranged at the top and the bottom of the piston disc (8).
3. The water hammer eliminating device for the secondary water supply equipment according to claim 1, characterized in that four buffer chambers (10) are fixedly connected to the surface of the valve body (4), and a limiting block (11) is arranged inside the buffer chambers (10).
4. The water hammer eliminating device for the secondary water supply equipment according to claim 3, characterized in that a piston (12) is arranged inside the buffer chamber (10), the piston (12) is arranged on one side of the limiting block (11) far away from the valve body (4), and a spring (13) is arranged between the piston (12) and one end of the inner wall of the buffer chamber (10).
5. The water hammer eliminating device for the secondary water supply equipment is characterized in that two O-shaped ring grooves are formed in the periphery of the piston (12) along the circumferential direction, O-shaped rings are installed in the O-shaped ring grooves, and the piston (12) is in sealing connection with the inner wall of the buffer chamber (10) through the O-shaped rings.
6. The water hammer eliminating device for the secondary water supply equipment according to claim 1, wherein the upper flange plate (3) is a threaded flange plate, a stepped inner hole is formed inside the upper flange plate (3), the upper part of the stepped inner hole is welded with the bottom of the valve body (4), threads are formed on the lower part of the stepped inner hole, and the lower part of the stepped inner hole is in threaded connection with the lower flange plate (2).
7. The water hammer eliminating device for the secondary water supply equipment according to claim 1, wherein the piston disc (8) and the piston (12) are both made of steel pistons, three buffer rods (14) are arranged at the top of the piston disc (8), the buffer rods (14) are of a stepped structure, and limit stops are arranged inside the buffer rods (14).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121130690.4U CN215488342U (en) | 2021-05-25 | 2021-05-25 | Water hammer eliminating device of secondary water supply equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121130690.4U CN215488342U (en) | 2021-05-25 | 2021-05-25 | Water hammer eliminating device of secondary water supply equipment |
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CN215488342U true CN215488342U (en) | 2022-01-11 |
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CN202121130690.4U Expired - Fee Related CN215488342U (en) | 2021-05-25 | 2021-05-25 | Water hammer eliminating device of secondary water supply equipment |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115076501A (en) * | 2022-06-06 | 2022-09-20 | 内蒙古满世煤炭集团罐子沟煤炭有限责任公司 | Pulse type intelligent coal seam roof static pressure water injection device and method |
-
2021
- 2021-05-25 CN CN202121130690.4U patent/CN215488342U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115076501A (en) * | 2022-06-06 | 2022-09-20 | 内蒙古满世煤炭集团罐子沟煤炭有限责任公司 | Pulse type intelligent coal seam roof static pressure water injection device and method |
CN115076501B (en) * | 2022-06-06 | 2023-09-08 | 内蒙古满世煤炭集团罐子沟煤炭有限责任公司 | Pulse intelligent coal seam roof static pressure water injection device and method |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |