CN220185919U - Backflow-preventing self-closing mechanism of water pump - Google Patents
Backflow-preventing self-closing mechanism of water pump Download PDFInfo
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- CN220185919U CN220185919U CN202321206030.9U CN202321206030U CN220185919U CN 220185919 U CN220185919 U CN 220185919U CN 202321206030 U CN202321206030 U CN 202321206030U CN 220185919 U CN220185919 U CN 220185919U
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- water pump
- fixedly connected
- connecting pipe
- closing mechanism
- liquid
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 230000002265 prevention Effects 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 abstract description 46
- 244000309464 bull Species 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model relates to the technical field of water pumps and discloses a backflow-preventing self-closing mechanism of a water pump, which comprises a valve body and a connecting pipe, wherein an upper sleeve body is fixedly connected to the middle part of the upper end face of the valve body, a rotating rod is connected to the inner thread of the upper sleeve body, a rotating handle is fixedly connected to the upper end of the rotating rod, and a pressing block is fixedly connected to the lower end of the rotating rod. According to the utility model, the liquid is arranged at the output end of the water pump, when the water pump is used for conveying, liquid firstly passes through a water valve structure and then enters the water inlet, the moving block moves to one side due to the forward conveying force of the liquid, the liquid flows into the connecting pipe and finally flows out from the water outlet at one end of the connecting pipe, and when the liquid flows back, the moving block is tightly connected with the connecting cylinder due to the forward conveying force of the liquid, so that the liquid cannot enter the water inlet, and flows into the water pump through the water valve.
Description
Technical Field
The utility model relates to the technical field of water pumps, in particular to a backflow-preventing self-closing mechanism of a water pump.
Background
A water pump is a machine that delivers or pressurizes a liquid. It transmits mechanical energy or other external energy of prime mover to liquid to increase energy of liquid, and is mainly used for conveying liquid including water, oil, acid-alkali liquor, emulsion, suspension emulsion and liquid metal.
In the use of water pumps, special liquids are often required to be transported, and some are required to prevent the water pump from flowing back. Therefore, a person skilled in the art provides a backflow prevention self-closing mechanism of a water pump to solve the problems set forth in the background art.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a backflow-preventing self-closing mechanism of a water pump, which is arranged at the output end of the water pump, when the water pump is used for conveying, liquid firstly passes through a water valve structure after being output by the water pump and then enters a water inlet, the moving block moves to one side due to the forward conveying force of the liquid, the liquid flows into a connecting pipe and finally flows out from a water outlet at one end of the connecting pipe, and when the liquid flows back, the moving block is tightly connected with a connecting cylinder due to the forward conveying force of the liquid, so that the liquid cannot enter the water inlet, and flows into the water pump through the water valve.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the water pump backflow prevention self-closing mechanism comprises a valve body and a connecting pipe, wherein an upper sleeve body is fixedly connected to the middle part of the upper end face of the valve body, a rotating rod is connected to the inner thread of the upper sleeve body, a rotating handle is fixedly connected to the upper end of the rotating rod, a pressing block is fixedly connected to the lower end of the rotating rod, a plug is fixedly connected to the lower end of the pressing block, a mounting plate is fixedly connected to the lower end of the valve body, a mounting plate is fixedly connected to the lower end of the mounting plate, and mounting holes are formed in four corners of the mounting plate;
the water outlet is fixedly connected to one side end face of the connecting pipe, a spring is arranged on one side end face of the inside of the connecting pipe, a moving block is fixedly connected to one end of the spring, sliding blocks are fixedly connected to two sides of the upper end and the lower end of the moving block, a plurality of water outlets are uniformly formed in the outer wall of the moving block at intervals, a connecting cylinder is fixedly connected to one end, away from the water outlet, of the inside of the connecting pipe, and a water inlet is fixedly connected to one end, away from the water outlet, of the connecting pipe;
through above-mentioned technical scheme, this device installs the output at the water pump, the water pump is when carrying, liquid can be through a water valve structure at first after being exported by the water pump, then get into the water inlet, because the force of liquid ground forward delivery for the movable block moves to one side, liquid inflow in the connecting pipe, finally by the delivery port outflow of connecting pipe one end, when liquid takes place the backward flow, the force of liquid ground forward delivery makes the movable block be connected inseparabler with the connecting cylinder, make liquid can not get into in the water inlet, thereby flow to the water pump through the water valve, through this structural design, the practicality of the device has been improved greatly.
Further, a second anti-slip pad is arranged in the middle of the upper end face of the rotating handle, and the second anti-slip pad is tightly attached to the rotating handle;
through above-mentioned technical scheme, through the second slipmat that sets up, improve the practicality of device.
Further, the outer wall of the rotating rod is provided with connecting threads, and the rotating rod is in threaded connection with the upper sleeve body through the connecting threads;
through above-mentioned technical scheme, make the bull stick drive the end cap decline through its threaded connection.
Further, the upper end and the lower end of the inner wall of the connecting pipe are respectively provided with a sliding groove, and the sliding blocks are in sliding connection with the inside of the sliding grooves;
through the technical scheme, the moving stability of the moving block is improved through sliding connection of the moving block.
Further, the moving block is tightly attached to the connecting cylinder;
through above-mentioned technical scheme, improve sealing performance through its close laminating.
Further, the connecting pipe is in threaded connection with the valve body through the water inlet;
through above-mentioned technical scheme, improve the dismantlement convenience through its threaded connection.
Further, a first anti-slip pad is arranged on the lower end face of the mounting plate, and the first anti-slip pad is tightly attached to the mounting plate;
through above-mentioned technical scheme, increase the practicality of device through the first slipmat that sets up.
Further, a sealing gasket is arranged on the lower end face of the plug;
through above-mentioned technical scheme, sealing performance is improved through the sealed pad that sets up.
The utility model has the following beneficial effects:
1. the water pump backflow-preventing self-closing mechanism is arranged at the output end of the water pump, when the water pump is used for conveying, liquid firstly passes through a water valve structure and then enters the water inlet after being output by the water pump, the moving block moves to one side due to the forward conveying force of the liquid, the liquid flows into the connecting pipe and finally flows out from the water outlet at one end of the connecting pipe, and when the liquid flows back, the moving block is tightly connected with the connecting cylinder due to the forward conveying force of the liquid, so that the liquid cannot enter the water inlet, and then flows into the water pump through the water valve.
2. According to the water pump backflow-preventing self-closing mechanism, the emergency braking structure is arranged, the water valve structure is connected to one end of the connecting pipe, after the service time of the spring in the connecting pipe is long, the sealing performance of the joint of the moving block and the connecting cylinder is possibly reduced, so that partial liquid backflow is caused, the rotating handle is rotated, the plug at the lower end is driven to move downwards by the rotating rod, valve closing operation is completed, the possibility that liquid backflow enters the water pump is greatly reduced, the practicality of the device is greatly improved, and the use limitation is reduced.
Drawings
FIG. 1 is a schematic top perspective view of a water pump backflow prevention self-closing mechanism of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the anti-backflow self-closing mechanism of the water pump;
FIG. 3 is a schematic bottom perspective view of a water pump backflow prevention self-closing mechanism of the present utility model;
FIG. 4 is an enlarged view of FIG. 2 at A;
FIG. 5 is a schematic side view of a water pump backflow prevention self-closing mechanism of the present utility model.
Legend description:
1. a water outlet; 2. a plug; 3. a connecting pipe; 4. a water inlet; 5. a sealing gasket; 6. a valve body; 7. an upper sleeve body; 8. a first cleat; 9. a rotating handle; 10. a second cleat; 11. a mounting hole; 12. a mounting plate; 13. a rotating rod; 14. a connecting thread; 15. briquetting; 16. a connecting cylinder; 17. a water outlet hole; 18. a moving block; 19. a spring; 20. a chute; 21. a sliding block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, one embodiment provided by the present utility model is: the water pump backflow prevention self-closing mechanism comprises a valve body 6 and a connecting pipe 3, wherein the middle part of the upper end surface of the valve body 6 is fixedly connected with an upper sleeve body 7, a rotating rod 13 is connected with the inner thread of the upper sleeve body 7, the upper end of the rotating rod 13 is fixedly connected with a rotating handle 9, the lower end of the rotating rod 13 is fixedly connected with a pressing block 15, the lower end of the pressing block 15 is fixedly connected with a plug 2, the lower end of the valve body 6 is fixedly connected with a mounting plate 12, the lower end of the mounting plate 12 is fixedly connected with a mounting plate 12, and four corners of the mounting plate 12 are provided with mounting holes 11;
the water outlet 1 is fixedly connected to one side end surface of the connecting pipe 3, the spring 19 is arranged on one side end surface of the inside of the connecting pipe 3, the movable block 18 is fixedly connected to one end of the spring 19, the sliding blocks 21 are fixedly connected to the two sides of the upper end and the lower end of the movable block 18, the plurality of water outlet holes 17 are uniformly formed in the outer wall of the movable block 18 at intervals, the connecting cylinder 16 is fixedly connected to one end, away from the water outlet 1, of the inside of the connecting pipe 3, and the water inlet 4 is fixedly connected to one end, away from the water outlet 1, of the connecting pipe 3;
the device is arranged at the output end of the water pump, when the water pump is used for conveying, liquid firstly passes through a water valve structure after being output by the water pump, then enters the water inlet 4, the moving block 18 moves to one side due to the force of forward conveying of the liquid, the liquid flows into the connecting pipe 3 and finally flows out from the water outlet 1 at one end of the connecting pipe 3, when the liquid flows back, the moving block 18 is connected with the connecting cylinder 16 more tightly due to the force of forward conveying of the liquid, the liquid cannot enter the water inlet 4, and then flows into the water pump through the water valve.
The upper end face middle part of changeing 9 is provided with second slipmat 10, second slipmat 10 and changeing 9 closely laminate, the practicality of the device is improved through the second slipmat 10 that sets up, the outer wall of bull stick 13 is provided with connecting screw thread 14, bull stick 13 passes through connecting screw thread 14 and goes up cover body 7 threaded connection, make bull stick 13 drive end cap 2 decline through its threaded connection, spout 20 has all been seted up to the inner wall upper and lower extreme of connecting pipe 3, slider 21 sliding connection is inside spout 20, improve the removal stability of movable block 18 through its sliding connection, movable block 18 closely laminates with connecting cylinder 16, improve sealing performance through its closely laminate, connecting pipe 3 improves dismantlement convenience through water inlet 4 and valve body 6 threaded connection, the lower terminal surface of mounting panel 12 is provided with first slipmat 8, first slipmat 8 and mounting panel 12 closely laminate, the practicality of the device is increased through first slipmat 8 that sets up, the lower terminal surface of end cap 2 is provided with sealing pad 5, improve sealing performance through the sealing pad 5 that sets up.
Working principle: when the water pump is used, the water pump is arranged at the output end of the water pump, when the water pump is used for conveying, liquid firstly passes through a water valve structure and then enters the water inlet 4, the moving block 18 moves to one side due to the force of liquid conveying forwards, the liquid flows into the connecting pipe 3 and finally flows out of the water outlet 1 at one end of the connecting pipe 3, when the liquid flows back, the moving block 18 is connected with the connecting cylinder 16 more tightly due to the force of liquid conveying forwards, so that the liquid cannot enter the water inlet 4, and flows into the water pump through the water valve, by the structural design, the practical performance of the device is greatly improved, and the emergency braking structure is arranged, the sealing performance of the joint of the moving block 18 and the connecting cylinder 16 is reduced after the spring 19 in the connecting pipe 3 is used for a long time, so that part of liquid flows back, the rotating handle 9 drives the lower end 2 of the rotating rod 13 to move downwards, the valve closing operation is completed, the possibility that the liquid flows back into the water pump is greatly reduced, the practical performance of the device is greatly improved, and the practical limitation is reduced.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a water pump anti-return self-closing mechanism, includes valve body (6) and connecting pipe (3), its characterized in that: the valve is characterized in that an upper sleeve body (7) is fixedly connected to the middle of the upper end face of the valve body (6), a rotating rod (13) is connected to the inner thread of the upper sleeve body (7), a rotating handle (9) is fixedly connected to the upper end of the rotating rod (13), a pressing block (15) is fixedly connected to the lower end of the rotating rod (13), a plug (2) is fixedly connected to the lower end of the pressing block (15), a mounting plate (12) is fixedly connected to the lower end of the valve body (6), a mounting plate (12) is fixedly connected to the lower end of the mounting plate (12), and mounting holes (11) are formed in four corners of the mounting plate (12);
one side terminal surface fixedly connected with delivery port (1) of connecting pipe (3), the inside one side terminal surface of connecting pipe (3) is provided with spring (19), the one end fixedly connected with movable block (18) of spring (19), the equal fixedly connected with slider (21) in upper and lower end both sides of movable block (18), the outer wall evenly spaced of movable block (18) is equipped with a plurality of apopores (17), the one end fixedly connected with connecting cylinder (16) of delivery port (1) are kept away from to the inside of connecting pipe (3), the one end fixedly connected with water inlet (4) of delivery port (1) are kept away from to connecting pipe (3).
2. The water pump backflow prevention self-closing mechanism according to claim 1, wherein: the middle part of the upper end surface of the rotating handle (9) is provided with a second anti-slip pad (10), and the second anti-slip pad (10) is tightly attached to the rotating handle (9).
3. The water pump backflow prevention self-closing mechanism according to claim 1, wherein: the outer wall of the rotating rod (13) is provided with a connecting thread (14), and the rotating rod (13) is in threaded connection with the upper sleeve body (7) through the connecting thread (14).
4. The water pump backflow prevention self-closing mechanism according to claim 1, wherein: the upper end and the lower end of the inner wall of the connecting pipe (3) are respectively provided with a sliding groove (20), and the sliding block (21) is in sliding connection with the inside of the sliding grooves (20).
5. The water pump backflow prevention self-closing mechanism according to claim 1, wherein: the moving block (18) is tightly attached to the connecting cylinder (16).
6. The water pump backflow prevention self-closing mechanism according to claim 1, wherein: the connecting pipe (3) is in threaded connection with the valve body (6) through the water inlet (4).
7. The water pump backflow prevention self-closing mechanism according to claim 1, wherein: the anti-slip device is characterized in that a first anti-slip pad (8) is arranged on the lower end face of the mounting plate (12), and the first anti-slip pad (8) is tightly attached to the mounting plate (12).
8. The water pump backflow prevention self-closing mechanism according to claim 1, wherein: the lower end face of the plug (2) is provided with a sealing gasket (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321206030.9U CN220185919U (en) | 2023-05-18 | 2023-05-18 | Backflow-preventing self-closing mechanism of water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321206030.9U CN220185919U (en) | 2023-05-18 | 2023-05-18 | Backflow-preventing self-closing mechanism of water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220185919U true CN220185919U (en) | 2023-12-15 |
Family
ID=89103766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321206030.9U Active CN220185919U (en) | 2023-05-18 | 2023-05-18 | Backflow-preventing self-closing mechanism of water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220185919U (en) |
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2023
- 2023-05-18 CN CN202321206030.9U patent/CN220185919U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240407 Address after: 100080, No. 1003, Gate 1, 3rd Floor, Qingfenghua Jingyuan Community, Haidian District, Beijing Patentee after: Dong Qian Country or region after: China Patentee after: Li Xin Address before: 311225 Houbutou Village, Yipeng Street, Qiantang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Hengliang Electromechanical Equipment Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |