CN216999952U - Box type non-negative pressure pump station - Google Patents
Box type non-negative pressure pump station Download PDFInfo
- Publication number
- CN216999952U CN216999952U CN202122078553.7U CN202122078553U CN216999952U CN 216999952 U CN216999952 U CN 216999952U CN 202122078553 U CN202122078553 U CN 202122078553U CN 216999952 U CN216999952 U CN 216999952U
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- water
- buffer
- pipe
- negative pressure
- block
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 145
- 230000003139 buffering effect Effects 0.000 claims abstract description 12
- 230000000670 limiting effect Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 5
- 230000002265 prevention Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000002337 anti-port Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
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Abstract
The utility model discloses a box type non-negative pressure pump station, which comprises a main water pipe network (1), wherein a non-negative pressure tank (2), a water pump (3) and a water outlet pipe network (4) are sequentially arranged on the main water pipe network (1) through pipelines, and a water hammer backflow preventing device (5) is arranged on a pipeline between the non-negative pressure tank (2) and the water pump (3) and a pipeline between the water pump (3) and the water outlet pipe network (4); the water hammer backflow preventing device (5) comprises a water passing pipe (6) arranged on a pipeline, and a buffering side pipe (7) which is vertical to the water passing pipe (6) and is communicated with the inner cavity of the water passing pipe is arranged in the middle of the water passing pipe (6); the utility model has the characteristics of water hammer backflow prevention device and good water hammer prevention effect.
Description
Technical Field
The utility model relates to the technical field of non-negative pressure pump stations, in particular to a box type non-negative pressure pump station.
Background
The non-negative pressure pump station is a novel electromechanical integrated water supply device which is combined by a computer technology, a frequency conversion technology and a motor pump, so as to meet the requirements that no negative pressure is generated when water is pumped, a certain regulation and storage capacity is realized, and water is not cut off and is cut off in a peak period in an urban water supply network; when the pump body stops working in the use, the water hammer effect is easily produced in the interior water body refluence of pipeline, and the no negative pressure pump station that does not possess the water hammer device can cause the pipeline to break because of the water body strikes to greatly influence normal use, the reliability of use is not good enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a box type non-negative pressure pump station. The utility model has the characteristics of water hammer backflow prevention device and good water hammer prevention effect.
The technical scheme of the utility model is as follows: the box type non-negative pressure pump station comprises a main water pipe network, wherein a non-negative pressure tank, a water pump and a water outlet pipe network are sequentially arranged on the main water pipe network through pipelines, and a water hammer backflow preventing device is arranged on a pipeline between the non-negative pressure tank and the water pump and a pipeline between the water pump and the water outlet pipe network; the water hammer backflow preventing device comprises a water passing pipe arranged on the pipeline, and a buffering side pipe which is vertical to the water passing pipe and is communicated with the inner cavity is arranged in the middle of the water passing pipe; a stop block in rotary connection is arranged at the connection part of the inner cavity of the water passing pipe and the inner cavity of the buffering side pipe, which is close to one side of the water inlet end, the stop block is a hemispherical shell with the inner cavity facing the water inlet end, a plurality of water passing holes are uniformly distributed in the stop block, and an annular limiting block corresponding to the stop block is arranged at one side of the inner cavity of the water passing pipe, which is close to the water inlet end; the buffer side pipe is provided with a buffer hole, a mounting hole and an air vent which are communicated from bottom to top in sequence, the radius of the buffer hole is larger than that of the mounting hole, the radius of the mounting hole is larger than that of the air vent, the upper end part of the mounting hole is provided with a buffer spring, the lower end part of the buffer spring is provided with a buffer block positioned in the buffer hole, and the lower surface of the buffer block is provided with an embedded groove matched with the stop block.
In the box-type non-negative pressure pump station, the thickness of the stop block is larger than that of the limiting block, and one side of the end face of the stop block, which is close to the sphere center, is provided with the stress block tangent to the end face of the stop block.
In the above-mentioned box-type non-negative pressure pump station, the side wall of the inner cavity of the buffer side pipe below the embedding groove is a curved surface fitted with the stopper.
In the box-type non-negative pressure pump station, the radius of the buffer block is consistent with the aperture of the buffer hole, and the side face of the buffer block is provided with the sealing ring.
In the box-type non-negative pressure pump station, the water inlet end and the water outlet end of the water pipe are respectively provided with a mounting thread.
Compared with the prior art, the utility model has the following beneficial effects:
1. the pipeline between the non-negative pressure tank and the water pump and the pipeline between the water pump and the water outlet pipe network are both provided with a water hammer backflow preventing device; the water hammer backflow prevention device is arranged at the water outlet position, the water hammer effect possibly generated is effectively reduced, and the overall use reliability of the pump station is improved.
2. The utility model relates to a water hammer backflow prevention device, which comprises a water passing pipe arranged on a pipeline, wherein the middle part of the water passing pipe is provided with a buffering side pipe which is vertical to the water passing pipe and is communicated with an inner cavity of the water passing pipe; a stop block in rotary connection is arranged at the connection part of the inner cavity of the water passing pipe and the inner cavity of the buffering side pipe, which is close to one side of the water inlet end, the stop block is a hemispherical shell with the inner cavity facing the water inlet end, a plurality of water passing holes are uniformly distributed in the stop block, and an annular limiting block corresponding to the stop block is arranged at one side of the inner cavity of the water passing pipe, which is close to the water inlet end; the buffer side pipe is sequentially provided with a buffer hole, a mounting hole and an air vent which are communicated from bottom to top, the radius of the buffer hole is larger than that of the mounting hole, the radius of the mounting hole is larger than that of the air vent, the upper end part of the mounting hole is provided with a buffer spring, the lower end part of the buffer spring is provided with a buffer block positioned in the buffer hole, and the lower surface of the buffer block is provided with an embedded groove matched with the stop block; when the water body normally flows, the water body can push the stop block to rotate and be embedded into the embedding groove of the buffer block, so that the normal flow of the water body is ensured; when the pump body is closed and cause the water refluence, the dog can be promoted by the reverse flow of water, and then the antiport receives blockking of stopper, thereby inner chamber formation to the water pipe blocks, the water hole of crossing allows a small amount of water to pass through, thereby reduce the distolateral impact of intaking, the water that is blockked simultaneously can be followed the trend and flow to buffering side pipe direction, produced impact can promote the buffer block and shift up, buffer spring shrink forms reaction force, thereby weaken the impact of water, share the partial pressure of crossing in the water pipe, effectively promote the water hammer effect.
3. The thickness of the check block is larger than that of the limiting block, and a stress block tangent to the end face of the check block is arranged on one side, close to the center of the sphere, of the end face of the check block; when the water refluence makes, thereby the water direct action is on the atress piece better drive dog gyration, and the atress piece is difficult to form contradicting with the stopper to further promote the reliability of using.
4. The radius of buffer block is unanimous with the buffer hole aperture, and the side of buffer block is equipped with the sealing washer, promotes the sealed effect of buffer block department, prevents that the water from flowing from buffering side pipe, and the reliability is good.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the backflow device for a water hammer according to the present invention.
The labels in the figures are: 1-main water pipe network; 2-no negative pressure tank; 3-a water pump; 4-water outlet pipe network; 5-a water hammer backflow prevention device; 6-a water pipe; 7-buffer side tube; 8-a stop block; 9-water through holes; 10-a limiting block; 11-a buffer hole; 12-mounting holes; 13-a vent hole; 14-a buffer spring; 15-a buffer block; 16-a fitting groove; 17-a force-bearing block; 18-a sealing ring; 19-mounting screw thread.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not to be construed as limiting the utility model.
Example (b): the box type non-negative pressure pump station is shown in the attached figure 1 and comprises a main water pipe network 1, wherein a non-negative pressure tank 2, a water pump 3 and a water outlet pipe network 4 are sequentially arranged on the main water pipe network 1 through pipelines, and a water hammer backflow preventing device 5 is arranged on the pipeline between the non-negative pressure tank 2 and the water pump 3 and the pipeline between the water pump 3 and the water outlet pipe network 4; as shown in fig. 2, the water hammer backflow prevention device 5 comprises a water pipe 6 arranged on a pipeline, and a buffer side pipe 7 which is vertical to the water pipe 6 and is communicated with an inner cavity is arranged in the middle of the water pipe 6; a stop block 8 in rotary connection is arranged at the connection part of the inner cavity of the water passing pipe 6 and the inner cavity of the buffering side pipe 7 close to the water inlet end, the stop block 8 is a hemispherical shell with the inner cavity facing the water inlet end, a plurality of water passing holes 9 are uniformly distributed on the stop block 8, the number of the water passing holes 9 is adjusted according to the set water flow, and an annular limiting block 10 corresponding to the stop block 8 is arranged on one side of the inner cavity of the water passing pipe 6 close to the water inlet end; the buffer side tube 7 is sequentially provided with a buffer hole 11, a mounting hole 12 and an air vent 13 which are communicated from bottom to top, the radius of the buffer hole 11 is larger than that of the mounting hole 12, the radius of the mounting hole 12 is larger than that of the air vent 13, the upper end part of the mounting hole 12 is provided with a buffer spring 14, the lower end part of the buffer spring 14 is provided with a buffer block 15 positioned in the buffer hole 11, the lower surface of the buffer block 15 is provided with an embedded groove 16 matched with the stopper 8, the boundary of the buffer hole 11 and the mounting hole 12 has a limiting effect on the buffer block 15 to prevent excessive movement, the air vent 13 can balance the internal air pressure changed due to the movement of the buffer block 15, and the reliability is good; the thickness of the stop block 8 is greater than that of the limiting block 10, and a stress block 17 tangent to the end face of the stop block 8 is arranged on one side close to the sphere center; the side wall of the inner cavity of the buffer side tube 7 below the embedding groove 16 is a curved surface matched with the stop block 8, so that the stop block 8 is better matched; the radius of the buffer block 15 is consistent with the aperture of the buffer hole 11, and a sealing ring 18 is arranged on the side surface of the buffer block 15; and the water inlet end and the water outlet end of the water passing pipe 6 are both provided with mounting threads 19, so that the installation is convenient.
The working principle is as follows: the water hammer backflow prevention devices are arranged at the water outlet positions, and when the water body flows normally, the water body pushes the stop blocks to rotate and be embedded into the embedding grooves of the buffer blocks, so that the water body can flow normally; when the pump body is closed and cause the water refluence, the dog can be promoted by the reverse flow of water, and then the antiport receives blockking of stopper, thereby inner chamber formation to the water pipe blocks, the water hole of crossing allows a small amount of water to pass through, thereby reduce the distolateral impact of intaking, the water that is blockked simultaneously can be followed the trend and flow to buffering side pipe direction, produced impact can promote the buffer block and shift up, buffer spring shrink forms reaction force, thereby weaken the impact of water, share the partial pressure of crossing in the water pipe, effectively promote the water hammer effect.
Claims (5)
1. Box no negative pressure pump station, including main water pipe network (1), be equipped with no negative pressure jar (2), water pump (3) and play water pipe network (4), its characterized in that through the pipeline in proper order on main water pipe network (1): a pipeline between the non-negative pressure tank (2) and the water pump (3) and a pipeline between the water pump (3) and the water outlet pipe network (4) are provided with a water hammer backflow preventing device (5); the water hammer backflow preventing device (5) comprises a water passing pipe (6) arranged on a pipeline, and a buffering side pipe (7) which is vertical to the water passing pipe (6) and is communicated with the inner cavity of the water passing pipe is arranged in the middle of the water passing pipe (6); a stop block (8) in rotary connection is arranged at the connection part of the inner cavity of the water passing pipe (6) and the inner cavity of the buffering side pipe (7) close to one side of the water inlet end, the stop block (8) is a hemispherical shell with the inner cavity facing the water inlet end, a plurality of water passing holes (9) are uniformly distributed in the stop block (8), and an annular limiting block (10) corresponding to the stop block (8) is arranged on one side of the inner cavity of the water passing pipe (6) close to the water inlet end; buffer hole (11), mounting hole (12) and air vent (13) that are linked together are equipped with in proper order from bottom to top on buffering side pipe (7), and buffer hole (11) radius is greater than mounting hole (12), and mounting hole (12) radius is greater than air vent (13), the upper end of mounting hole (12) is equipped with buffer spring (14), and the lower tip of buffer spring (14) is equipped with buffer block (15) that are located buffer hole (11), and the lower surface of buffer block (15) is equipped with gomphosis groove (16) that agree with mutually with dog (8).
2. The box type non-negative pressure pump station according to claim 1, characterized in that: the thickness of the check block (8) is larger than that of the limiting block (10), and a stress block (17) tangent to the end face of the check block (8) is arranged on one side close to the sphere center.
3. The box type non-negative pressure pump station according to claim 1, characterized in that: the side wall of the inner cavity of the buffer side tube (7) below the embedding groove (16) is a curved surface matched with the stop block (8).
4. The box type non-negative pressure pump station according to claim 1, characterized in that: the radius of the buffer block (15) is consistent with the aperture of the buffer hole (11), and a sealing ring (18) is arranged on the side face of the buffer block (15).
5. The box type non-negative pressure pump station according to claim 1, characterized in that: and the water inlet end and the water outlet end of the water passing pipe (6) are both provided with mounting threads (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122078553.7U CN216999952U (en) | 2021-08-31 | 2021-08-31 | Box type non-negative pressure pump station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122078553.7U CN216999952U (en) | 2021-08-31 | 2021-08-31 | Box type non-negative pressure pump station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216999952U true CN216999952U (en) | 2022-07-19 |
Family
ID=82366798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122078553.7U Expired - Fee Related CN216999952U (en) | 2021-08-31 | 2021-08-31 | Box type non-negative pressure pump station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216999952U (en) |
-
2021
- 2021-08-31 CN CN202122078553.7U patent/CN216999952U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220719 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |