CN203808156U - Flooding preventing device for secondary water supply pump house - Google Patents
Flooding preventing device for secondary water supply pump house Download PDFInfo
- Publication number
- CN203808156U CN203808156U CN201420164156.9U CN201420164156U CN203808156U CN 203808156 U CN203808156 U CN 203808156U CN 201420164156 U CN201420164156 U CN 201420164156U CN 203808156 U CN203808156 U CN 203808156U
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- water
- seal
- float valve
- float
- water inlet
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Abstract
The utility model discloses a flooding preventing device for a secondary water supply pump house. The flooding preventing device comprises a water supply control valve, a first float valve and a second float valve, wherein the water supply control valve is arranged on a water main pipe, the first float valve is arranged above a water tank liquid level, and the second float valve is arranged on the ground of the pump house. With adoption of the flooding preventing device for the secondary water supply pump house, the problem that the pump house is flooded due to water tank overflow caused by the fact that the float valves adopted by the conventional secondary water supply pump house are damaged or dropped off is solved, and water resource waste can be avoided simultaneously.
Description
Technical field
The utility model belongs to supply equipment technical field, relates to a kind of secondary booster pump station flood-proof device.
Background technology
Along with the development in city, being on the increase of tall buildings, secondary water-supply has become the main way of supplying water of many buildings.Show according to the data of " supply equipment popularization center ", box variable frequency water supply mode stablizing, convenient and maneuverable advantage, range of application is more and more extensive.The operating principle of this way of supplying water is such, be first the tap water of city planting ductwork is drained in water tank by pipe network, then it is rear to user's pipe network water supply to pressurize by water pump.In the time that city planting ductwork must be considered when water tank spill-over during to water tank water delivery, inlet pipeline can be closed automatically, and traditional mode is to control by float valve, and in the time that water tank is filled, ball float floating is closed inlet pipeline.But there is a drawback in the method, the ball float of float valve soaks throughout the year and stressed in the situation that, does not stop to move in water, ball float and pull bar are very easy to damage or come off, thereby cause also cannot closing when inlet pipeline in the situation that water tank is filled, not only waste great lot of water resources and also can cause pump house to be flooded, and then cause serious electric equipment to damage and safety problem simultaneously.
Utility model content
Main purpose of the present utility model is to provide a kind of secondary booster pump station flood-proof device, and the float valve ball float and the pull bar that solve existing secondary booster pump station employing easily damage after effect out of hand, the problem that causes water resource waste and pump house to be flooded.
In order to realize goal of the invention, the technical scheme that the utility model adopts is, a kind of secondary booster pump station flood-proof device, include water supply control valve, the first float valve and the second float valve, water supply control valve is arranged on water main, the first float valve is arranged on water tank level top, the second float valve is arranged on pump house ground, water supply control valve includes water storage cavity, the water inlet of water storage cavity and water supply control valve and delivery port form a three-port structure, water storage cavity is communicated with the water inlet of water supply control valve and the water inlet of the second float valve by drainage tube respectively, the delivery port of the second float valve is communicated with the water inlet of the first float valve by drainage tube, the delivery port of the first float valve is positioned at water tank top, water storage cavity inside is provided with piston, piston bottom is connected with into water seal A by seal drive rod A, when piston moves downward, water inlet seal A just in time can get lodged in blocking-up on water inlet and supply water, the first float valve and the second float valve have same structure, include respectively ball float, ball float driving mechanism, water inlet seal B and seal drive rod B, described water inlet seal B is arranged on the water inlet of the first float valve and the second float valve, delivery port is positioned at into water seal B rear portion, water inlet seal B rear end is connected with ball float driving mechanism by seal drive rod B, ball float driving mechanism end connects ball float.
Feature of the present utility model is also, on the seal drive rod A of water storage cavity bottom, overlaps and has spring, and spring one end is connected on spring dead plate, and the other end is connected with water inlet seal A.
Between water inlet seal B and ball float driving mechanism, be provided with bypass seal part, the outer rim of bypass seal part is fixed on the back cavity wall of the first float valve and the second float valve, bypass seal part center has through hole, and seal drive rod B can link together water inlet seal B and ball float driving mechanism through through hole.
Ball float driving mechanism includes drive block and " L " shape knee, drive block is connected to the rear end of seal drive rod B, the bottom of drive block is provided with draw-in groove, the short portion end of " L " shape knee embeds in draw-in groove, the inflection point of " L " shape knee is hinged on support plate, and the long portion end of " L " shape knee is connected with ball float.
Water tank upper limb is provided with overfall gap, and overfall gap below is provided with tank, and the second float valve is arranged in tank, and the water overflowing after Water in Water Tank is full can be flowed in tank by overfall gap.
The beneficial effects of the utility model are:
Adopt the utility model can avoid the float valve damage of traditional secondary water supply pump house employing or the rear water box spill-over that comes off to cause the problem of being flooded of pump house; Can avoid the waste of water resource simultaneously and cause serious electric equipment to damage and safety problem.
Brief description of the drawings
Fig. 1 is general structure schematic diagram of the present utility model;
Fig. 2 is water supply control valve structural representation of the present utility model;
Fig. 3 is the first float valve of the present utility model and the second floating ball valve structure schematic diagram.
In figure, 1. water supply control valve, 2. the first float valve, 3. the second float valve, 4. water main, 5. water tank, 6. water storage cavity, 7. drainage tube, 8. piston, 9. seal drive rod A, 10. water inlet seal A, 11. ball floats, 12. water inlet seal B, 13. seal drive rod B, 14. total valves, 15. springs, 16. spring dead plates, 17. throttle orifice A, 18. bypass seal parts, 19. drive blocks, 20. knees, 21. draw-in grooves, 22. support plates, 23. throttle orifice B, 24. overfall gaps, 25. tanks.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
The utility model provides a kind of secondary booster pump station flood-proof device, as shown in Figure 1, include water supply control valve 1, the first float valve 2 and the second float valve 3, described water supply control valve 1 is arranged on water main 4, the first float valve 2 is arranged on water tank 5 liquid level tops, the second float valve 3 is arranged on pump house ground, as shown in Figure 2, water supply control valve 1 includes water storage cavity 6, water storage cavity 6 forms a three-port structure with water inlet and the delivery port of water supply control valve 1, water storage cavity 6 is communicated with the water inlet of water supply control valve 1 and the water inlet of the second float valve 3 by drainage tube 7 respectively, the delivery port of the second float valve 3 is communicated with the water inlet of the first float valve 2 by drainage tube 7, the delivery port of the first float valve 2 is positioned at water tank 5 tops, water storage cavity 6 inside are provided with piston 8, piston 8 bottoms are connected with into water seal A10 by seal drive rod A9, when piston 8 moves downward, water inlet seal A10 just in time can get lodged in blocking-up on water inlet and supply water, the first float valve 2 and the second float valve 3 have same structure, as shown in Figure 3, include respectively ball float 11, ball float driving mechanism, water inlet seal B12 and seal drive rod B13, described water inlet seal B12 is arranged on the water inlet of the first float valve 2 and the second float valve 3, delivery port is positioned at into water seal B12 rear portion, water inlet seal B12 rear end is connected with ball float driving mechanism by seal drive rod B13, ball float driving mechanism end connects ball float 11.
When concrete enforcement, as shown in Figure 1, water supply control valve 1 be arranged on the automatic makeup of controlling water tank 5 on water main 4 to, water supply control valve 1 front end is installed total valve 14, need to stop completely total valve 14 can being closed when supplying water or keep in repair to water tank 5, the first float valve 2 is arranged on water tank 5 along place, after making water reach peak level, can automatically close into water, the second float valve 3 is arranged on the ground of pump house, thereby the ponding on ground can float the ball float of the second float valve 3 11 switching of controlling the second float valve 3 when water tank 5 spill-over.As shown in Figure 2, the upper cover of seal drive rod A9 of water supply control valve 1 has spring 15, spring 15 one end are connected on spring dead plate 16, the other end is connected with water inlet seal A10, spring dead plate 16 is fixed on the chamber wall of water storage cavity 6 bottoms, seal drive rod A9 is passed by the through hole at spring dead plate 16 centers, drives water inlet seal A10 to move up and down under the effect of piston 8.The water inlet of water supply control valve 1 is provided with the flange adapting with the seal A10 outer rim shape of intaking, flanged ring forms throttle orifice A17 around water inlet seal A10, the water (flow) direction of water inlet is changed certain angle relative with water inlet seal A10, contact and the switching that separates control water supply control valve 1 water inlet by water inlet seal A10 with throttle orifice by throttle orifice A17.Water supply control valve 1 in the course of the work, there is a small amount of water to flow in water storage cavity 6 by drainage tube 7, water in water storage cavity 6 flows to the second float valve 3 and the first float valve 2 the final water tank 5 that flows into by drainage tube 7 again, thereby water storage cavity 6 is due to inflow water pressure invariableness identical with water yield, now, thereby water inlet seal A10 upwards pulls up and makes the water inlet of water supply control valve 1 in open mode under the traction action of spring 15, and water main 4 current can flow into smoothly water tank 5 and carry out normal water supply.
As shown in Figure 3, between the water inlet seal B12 of the first float valve 2 and the second float valve 3 and ball float driving mechanism, be provided with bypass seal part 18, the outer rim of bypass seal part 18 is separately fixed on the back cavity wall of the first float valve 2 and the second float valve 3 the first float valve 2 and the second float valve 3 inner chambers and the isolation of ball float driving mechanism, bypass seal Jian18 center has through hole, and seal drive rod B13 links together water inlet seal B12 and ball float driving mechanism through through hole.Ball float driving mechanism includes drive block 19 and " L " shape knee 20, drive block 19 is connected to the rear end of seal drive rod B13, the bottom of drive block 19 is provided with draw-in groove 21, the short portion end of knee 20 embeds in draw-in groove 21, the inflection point of knee 20 is hinged on support plate 22 and can rotates, the long portion end of knee 20 is connected with ball float 11, ball float 11 drives knee 20 to rotate around support plate 22 while floating, drive block 19 drives water inlet seal B12 to move in water inlet by seal drive rod B13 under the effect of knee 20, water inlet is provided with annular flange flange and forms throttle orifice B23, by the outer rim of water inlet seal B12 and the contact and the switching that separates control water inlet of throttle orifice B23.In the time that water tank 5 water levels arrive ball float 11 position of the first float valve 2, under buoyancy, ball float 11 drives the action of ball float driving mechanism that the water inlet of the first float valve 2 is closed, the water flowing in water storage cavity 6 cannot flow out, water storage cavity 6 hydraulic pressure increase gradually driven plunger 8 and move downward, piston 8 drives water inlet seal A10 that the water inlet of water supply control valve 1 is closed by seal drive rod A9, and water main 4 stops supplying water and preventing from overflowing to water tank 5.In the time that the first float valve 2 damages or breaks down, after going out, water spill-over forms ponding at pump house, ponding can float the ball float of the second float valve 3 11, ball float 11 drives the action of ball float driving mechanism that the water inlet of the second float valve 3 is closed, similarly, water storage cavity 6 hydraulic pressure of water supply control valve 1 increase driven plunger 8 closes the water inlet of water supply control valve 1, and water main 4 stops supplying water and stoping water tank 5 to continue to overflow to water tank 5, prevents that pump house from being flooded.
Above embodiment, pump house ground still can form a small amount of ponding, as improvement, open an overfall gap 24 at water tank 5 upper limbs, overfall gap 24 belows arrange a tank 25, the second float valve 3 is arranged in tank 25, and after water tank 5 water are full, thereby the water overflowing can be flowed in tank 25 and the ball float of the second float valve 3 11 be floated water supply control valve 1 is closed and stopped supplying water by overfall gap 24.Adopt tank 25 can avoid forming on pump house ground ponding.
More than show and described general principle of the present utility model, principal character and advantage of the present utility model; above-mentioned embodiment and manual are principle of the present utility model; under the prerequisite that does not depart from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection domain that the utility model requires is defined by claims and equivalent thereof.
Claims (5)
1. a secondary booster pump station flood-proof device, it is characterized in that, include water supply control valve (1), the first float valve (2) and the second float valve (3), described water supply control valve (1) is arranged on water main (4), the first float valve (2) is arranged on water tank (5) liquid level top, the second float valve (3) is arranged on pump house ground, described water supply control valve (1) includes water storage cavity (6), water storage cavity (6) forms a three-port structure with water inlet and the delivery port of water supply control valve (1), water storage cavity (6) is communicated with the water inlet of water supply control valve (1) and (3) water inlet of the second float valve by drainage tube (7) respectively, the delivery port of the second float valve (3) is communicated with the water inlet of the first float valve (1) by drainage tube (7), the delivery port of the first float valve (1) is positioned at water tank (5) top, water storage cavity (6) inside is provided with piston (8), piston (8) bottom is connected with into water seal A (10) by seal drive rod A (9), when piston (8) moves downward, water inlet seal A (10) just in time can get lodged in blocking-up on water inlet and supply water, the first float valve (2) and the second float valve (3) have same structure, include respectively ball float (11), ball float driving mechanism, water inlet seal B (12) and seal drive rod B (13), described water inlet seal B (12) is arranged on the water inlet of the first float valve (2) and the second float valve (3), delivery port is positioned at into water seal B (12) rear portion, water inlet seal B (12) rear end is connected with ball float driving mechanism by seal drive rod B (13), ball float driving mechanism end connects ball float (11).
2. a kind of secondary booster pump station flood-proof device as claimed in claim 1, it is characterized in that, the upper cover of seal drive rod A (9) of described water storage cavity (6) bottom has spring (15), it is upper that spring (15) one end is connected to spring dead plate (16), and the other end is connected with water inlet seal A (10).
3. a kind of secondary booster pump station flood-proof device as claimed in claim 1, it is characterized in that, between described water inlet seal B (12) and ball float driving mechanism, be provided with bypass seal part (18), the outer rim of bypass seal part (18) is fixed on the back cavity wall of the first float valve (2) and the second float valve (3), bypass seal part (18) center has through hole, and seal drive rod B (13) can link together through will intake seal B (12) and ball float driving mechanism of through hole.
4. a kind of secondary booster pump station flood-proof device as claimed in claim 3, it is characterized in that, described ball float driving mechanism includes drive block (19) and " L " shape knee (20), drive block (19) is connected to the rear end of seal drive rod B (13), the bottom of drive block (19) is provided with draw-in groove (21), the short portion end of " L " shape knee (20) embeds in draw-in groove (21), the inflection point of " L " shape knee (20) is hinged on support plate (22), the long portion end of " L " shape knee (20) is connected with ball float (11).
5. any one secondary booster pump station flood-proof device as described in claim 1-4, it is characterized in that, described water tank (5) upper limb is provided with overfall gap (24), overfall gap (24) below is provided with tank (25), the second float valve (3) is arranged in tank (25), and the water overflowing after water tank (5) water is full can be flowed in tank (25) by overfall gap (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164156.9U CN203808156U (en) | 2014-04-08 | 2014-04-08 | Flooding preventing device for secondary water supply pump house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164156.9U CN203808156U (en) | 2014-04-08 | 2014-04-08 | Flooding preventing device for secondary water supply pump house |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203808156U true CN203808156U (en) | 2014-09-03 |
Family
ID=51446936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420164156.9U Expired - Fee Related CN203808156U (en) | 2014-04-08 | 2014-04-08 | Flooding preventing device for secondary water supply pump house |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203808156U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967077A (en) * | 2014-04-08 | 2014-08-06 | 合肥上为供水设备科技有限公司 | Anti-flooding device of secondary water supply pump house |
| CN108240014A (en) * | 2018-02-09 | 2018-07-03 | 苏州长城开发科技有限公司 | Anti-overflow water tank |
-
2014
- 2014-04-08 CN CN201420164156.9U patent/CN203808156U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967077A (en) * | 2014-04-08 | 2014-08-06 | 合肥上为供水设备科技有限公司 | Anti-flooding device of secondary water supply pump house |
| CN108240014A (en) * | 2018-02-09 | 2018-07-03 | 苏州长城开发科技有限公司 | Anti-overflow water tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20150408 |
|
| EXPY | Termination of patent right or utility model |