CN223048135U - Pressure-superposed backflow-preventing water supply equipment - Google Patents
Pressure-superposed backflow-preventing water supply equipment Download PDFInfo
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- CN223048135U CN223048135U CN202422102615.7U CN202422102615U CN223048135U CN 223048135 U CN223048135 U CN 223048135U CN 202422102615 U CN202422102615 U CN 202422102615U CN 223048135 U CN223048135 U CN 223048135U
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Abstract
The utility model provides laminated backflow-preventing water supply equipment, which relates to the technical field of secondary water supply and comprises a pumping cavity, wherein a bottom cover seat is fixedly connected to the top of the pumping cavity, a top cover frame is fixedly connected to the bottom of the pumping cavity, a pumping piston is arranged in the pumping cavity, a crankshaft is arranged in the top of the top cover frame, a linkage rod is connected to the outside of the crankshaft and is connected with the pumping piston, a motor is fixedly arranged outside the top cover frame, a driving shaft of the motor is connected with the crankshaft, four valves are connected to the outside of the pumping cavity, three-way pipes are connected to the ends of the valves, and the two three-way pipes are communicated with a water supply pipeline. According to the utility model, the motor drives the crankshaft to rotate, the crankshaft drives the pumping piston to reciprocate up and down through the linkage rod, continuous and uninterrupted pressure-superposed water supply operation is realized, and when water in the valve stops flowing, the spring applies thrust to the sealing plug, so that the sealing plug is tightly contacted with the inner wall of the valve body, and the backflow condition in the water supply pipeline is prevented.
Description
Technical Field
The utility model relates to the technical field of secondary water supply, in particular to a laminated backflow-preventing water supply device.
Background
The pipe network pressure-superposed water supply is directly connected in series with the municipal tap water pipe network for pressurized water supply, so that the pressure of the tap water pipe network can be fully utilized for saving energy, the secondary pollution link of a pool and a water tank is omitted, and the water quality of the water supply is good, thereby being widely applied to secondary water supply occasions of houses, markets, schools and the like.
In the application process of the existing laminated water supply equipment, the traditional impeller mode is generally adopted for water supply pumping, the occurrence of the reflux condition of water in a pipe is very easy to occur when the operation is stopped, a one-way valve is also required to be installed on a pipeline, the reflux condition is prevented, and the whole application effect is poor.
Disclosure of utility model
The utility model relates to a fold and press water supply equipment that prevents backward flow has solved current water supply equipment that folds and press in the application process, generally adopts traditional impeller mode to supply water pumping, very easily appears the emergence of intraductal water backward flow situation when the stop operation, then still need install the check valve on the pipeline, prevents the backward flow situation, the not good problem of whole application effect.
The first aspect of the disclosure provides a laminated backflow-preventing water supply device, which specifically comprises a pumping cavity, wherein a bottom cover seat is fixedly connected to the top of the pumping cavity, a top cover frame is fixedly connected to the bottom of the pumping cavity, a pumping piston is arranged in the pumping cavity, a crankshaft is arranged in the top of the top cover frame, a linkage rod is connected to the outside of the crankshaft and is connected with the pumping piston, a motor is fixedly arranged outside the top cover frame, a driving shaft of the motor is connected with the crankshaft, four valves are connected to the outside of the pumping cavity, three-way pipes are connected to the ends of the valves, and the two three-way pipes are communicated with a water supply pipeline.
Further, the valve comprises a valve body, a sealing plug and a spring, wherein the sealing plug is positioned inside the valve body, a through hole is formed in the valve body, a plug rod is arranged outside the sealing plug and penetrates through the through hole, the spring is sleeved outside the plug rod, one end of the spring is in contact with the sealing plug, the other end of the spring is in contact with the valve body, when water in the valve stops flowing, thrust is applied to the sealing plug through the spring, so that the sealing plug is in tight contact with the inner wall of the valve body, and a unidirectional sealing effect is achieved.
Further, the pumping piston is in sliding connection with the inside of the pumping cavity, a vertical connecting rod is arranged at the top of the pumping piston, a guide hole is formed in the bottom of the top cover frame, the vertical connecting rod penetrates through the guide hole in a sliding mode, the motor drives the crankshaft to rotate, and the crankshaft drives the pumping piston to reciprocate up and down through the linkage rod.
Further, a water inlet A and a water outlet A are arranged near the bottom of the pumping cavity, the water inlet A and the water outlet A are positioned below the pumping piston, the water inlet A is communicated with the valve, and the water outlet A is communicated with the valve.
Further, a water inlet B and a water outlet B are arranged on the pumping cavity close to the top, the water inlet B and the water outlet B are positioned above the pumping piston, the water inlet B is communicated with the valve, and the water outlet B is communicated with the valve.
Further, the crankshaft is rotationally connected with the top cover frame, the upper end of the linkage rod is rotationally connected with the crankshaft, and the lower end of the linkage rod is rotationally connected with the top end of the vertical connecting rod.
Further, the three-way pipe is communicated with two valves positioned on the same side of the pumping cavity, the two valves on the same side of the pumping cavity are alternately opened and closed, when the pumping piston moves upwards, water in the three-way pipe enters the bottom of the pumping cavity through the valve at the water inlet A, water in the top of the pumping cavity is discharged into the other three-way pipe through the valve at the water outlet B, when the pumping piston moves downwards, water in the three-way pipe enters the top of the pumping cavity through the valve at the water inlet B, and water in the bottom of the pumping cavity is discharged into the other three-way pipe through the valve at the water outlet A.
The utility model provides a laminated backflow-preventing water supply device, which has the following beneficial effects:
When the valve is used, when water in the valve stops flowing, the spring applies thrust to the sealing plug, so that the sealing plug is tightly contacted with the inner wall of the valve body, the unidirectional sealing effect is achieved, and the occurrence of the reflux condition in the water supply pipeline is effectively prevented.
In addition, the motor drives the crankshaft to rotate, the crankshaft drives the pumping piston to reciprocate up and down through the linkage rod, when the pumping piston moves upwards, water in the three-way pipe enters the bottom of the pumping cavity through the valve at the position of the water inlet A, water in the top of the pumping cavity is discharged into the other three-way pipe through the valve at the position of the water outlet B, when the pumping piston moves downwards, water in the three-way pipe enters the top of the pumping cavity through the valve at the position of the water inlet B, and water in the bottom of the pumping cavity is discharged into the other three-way pipe through the valve at the position of the water outlet A, so that continuous uninterrupted pressure-superposed water supply operation is realized.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the utility model and are not intended to limit the utility model.
In the drawings:
FIG. 1 shows a schematic overall axial side structure of the present application;
FIG. 2 shows a schematic view of the pump cavity of the present application in cross-section;
FIG. 3 shows a schematic diagram of the top cover frame, motor and crankshaft connection structure of the present application;
FIG. 4 shows a schematic view of the internal cut-away structure of the valve of the present application;
fig. 5 shows a schematic view of the valve body of the present application in a cut-away configuration.
List of reference numerals
1. The pumping cavity comprises 101, a water inlet A, 102, a water outlet A, 103, a water inlet B, 104, a water outlet B, 2, a bottom cover seat, 3, a top cover frame, 301, a guide hole, 4, a pumping piston, 401, a vertical connecting rod, 5, a motor, 6, a crankshaft, 7, a linkage rod, 8, a valve, 81, a valve body, 8101, a through hole, 82, a sealing plug, 8201, a plug rod, 83, a spring, 9 and a three-way pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model.
Please refer to fig. 1 to 5:
The utility model provides laminated backflow-preventing water supply equipment which comprises a pumping cavity 1, wherein the top of the pumping cavity 1 is fixedly connected with a bottom cover seat 2, the bottom of the pumping cavity 1 is fixedly connected with a top cover frame 3, a pumping piston 4 is arranged inside the pumping cavity 1, a crankshaft 6 is arranged inside the top of the top cover frame 3, a linkage rod 7 is connected outside the crankshaft 6, the linkage rod 7 is connected with the pumping piston 4, a motor 5 is fixedly arranged outside the top cover frame 3, a driving shaft of the motor 5 is connected with the crankshaft 6, four valves 8 are connected outside the pumping cavity 1, the ends of the valves 8 are connected with a tee pipe 9, the two tee pipes 9 are communicated with a water supply pipeline, the valves 8 are formed by a valve body 81, a sealing plug 82 and a spring 83, the sealing plug 82 is arranged inside the valve body 81, a through hole 8101 is formed inside the valve body 81, a plug rod 8201 is arranged outside the sealing plug 82, the plug rod 8201 penetrates through the through hole 8101, the spring 83 is sleeved outside the plug rod 8201, one end of the spring 83 is in contact with the sealing plug 82, the other end of the spring 83 is in contact with the valve body 81, when water inside the valve 8 stops, the valve 8 is connected with the valve body through the sealing plug 82, the sealing plug 82 is tightly, the inner wall is tightly sealed, and the backflow condition is prevented from being caused by the sealing plug 82, and the inner wall is effectively exerted.
In the embodiment of the disclosure, a pumping piston 4 is slidably connected inside a pumping cavity 1, a vertical connecting rod 401 is arranged at the top of the pumping piston 4, a guide hole 301 is arranged in the bottom of a top cover frame 3, the vertical connecting rod 401 slidably penetrates through the guide hole 301, a water inlet A101 and a water outlet A102 are arranged near the bottom of the pumping cavity 1, the water inlet A101 and the water outlet A102 are positioned below the pumping piston 4, the water inlet A101 is communicated with a valve 8, the water outlet A102 is communicated with the valve 8, a water inlet B103 and a water outlet B104 are arranged near the top of the pumping cavity 1, the water inlet B103 and the water outlet B104 are positioned above the pumping piston 4, the water inlet B103 is communicated with the valve 8, and the water outlet B104 is communicated with the valve 8.
In the embodiment of the disclosure, a crankshaft 6 is rotationally connected with a top cover frame 3, the upper end of a linkage rod 7 is rotationally connected with the crankshaft 6, the lower end of the linkage rod 7 is rotationally connected with the top end of a vertical connecting rod 401, a three-way pipe 9 is communicated with two valves 8 positioned on the same side of a pumping cavity 1, and the two valves 8 on the same side of the pumping cavity 1 are alternately opened and closed;
according to the technical scheme, the motor 5 drives the crankshaft 6 to rotate, the crankshaft 6 drives the pumping piston 4 to reciprocate up and down through the linkage rod 7, when the pumping piston 4 moves upwards, water in the three-way pipe 9 enters the bottom of the pumping cavity 1 through the valve 8 at the position of the water inlet A101, water in the top of the pumping cavity 1 is discharged into the other three-way pipe 9 through the valve 8 at the position of the water outlet B104, and when the pumping piston 4 moves downwards, water in the three-way pipe 9 enters the top of the pumping cavity 1 through the valve 8 at the position of the water inlet B103, and water in the bottom of the pumping cavity 1 is discharged into the other three-way pipe 9 through the valve 8 at the position of the water outlet A102, so that continuous and uninterrupted pressure-superposed water supply operation is realized.
The working principle of the embodiment is that a motor 5 drives a crankshaft 6 to rotate, the crankshaft 6 drives a pumping piston 4 to reciprocate up and down through a linkage rod 7, when the pumping piston 4 moves up, water in the three-way pipe 9 enters the bottom of a pumping cavity 1 through a valve 8 at a water inlet A101, water in the top of the pumping cavity 1 is discharged into another three-way pipe 9 through a valve 8 at a water outlet B104, when the pumping piston 4 moves down, water in the three-way pipe 9 enters the top of the pumping cavity 1 through a valve 8 at a water inlet B103, water in the bottom of the pumping cavity 1 is discharged into another three-way pipe 9 through a valve 8 at a water outlet A102, continuous and uninterrupted laminated water supply operation can be realized, when the water in the valve 8 stops flowing, the sealing plug 82 is applied with thrust through a spring 83, the sealing plug 82 is tightly contacted with the inner wall of a valve body 81, and backflow conditions in a water supply pipeline are prevented.
In this context, the following points need to be noted:
1. the drawings of the embodiments of the present disclosure relate only to the structures related to the embodiments of the present disclosure, and reference may be made to the general design for other structures.
2. The embodiments of the present disclosure and features in the embodiments may be combined with each other to arrive at a new embodiment without conflict.
The foregoing is merely a specific embodiment of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it should be covered in the protection scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (7)
1. The laminated backflow-preventing water supply equipment comprises a pumping cavity (1) and is characterized in that a bottom cover seat (2) is fixedly connected to the top of the pumping cavity (1), a top cover frame (3) is fixedly connected to the bottom of the pumping cavity (1), a pumping piston (4) is mounted in the pumping cavity (1), a crankshaft (6) is mounted in the top of the top cover frame (3), a linkage rod (7) is connected to the outside of the crankshaft (6), the linkage rod (7) is connected with the pumping piston (4), a motor (5) is fixedly mounted on the outside of the top cover frame (3), a driving shaft of the motor (5) is connected with the crankshaft (6), four valves (8) are connected to the outside of the pumping cavity (1), three-way pipes (9) are connected to the ends of the valves (8), and the two three-way pipes (9) are communicated with a water supply pipeline.
2. A laminated anti-backflow water supply device as claimed in claim 1, wherein,
Valve (8) constitute with valve body (81), sealing plug (82) and spring (83), and sealing plug (82) are located inside valve body (81), and inside through-hole (8101) that is provided with of valve body (81), sealing plug (82) outside is provided with cock stem (8201), and cock stem (8201) runs through in through-hole (8101), and spring (83) suit is outside cock stem (8201), and spring (83) one end and sealing plug (82) contact, and the spring (83) other end and valve body (81) contact.
3. A laminated anti-backflow water supply device as claimed in claim 1, wherein,
The pumping piston (4) is slidably connected inside the pumping cavity (1), a vertical connecting rod (401) is arranged at the top of the pumping piston (4), a guide hole (301) is formed in the bottom of the top cover frame (3), and the vertical connecting rod (401) slidably penetrates through the guide hole (301).
4. A laminated anti-backflow water supply device as claimed in claim 1, wherein,
The pumping cavity (1) is provided with a water inlet A (101) and a water outlet A (102) near the bottom, the water inlet A (101) and the water outlet A (102) are positioned below the pumping piston (4), the water inlet A (101) is communicated with the valve (8), and the water outlet A (102) is communicated with the valve (8).
5. A laminated anti-backflow water supply device as claimed in claim 1, wherein,
The pumping cavity (1) is provided with a water inlet B (103) and a water outlet B (104) near the top, the water inlet B (103) and the water outlet B (104) are positioned above the pumping piston (4), the water inlet B (103) is communicated with the valve (8), and the water outlet B (104) is communicated with the valve (8).
6. A laminated anti-backflow water supply device as claimed in claim 3, wherein,
The crankshaft (6) is rotationally connected with the top cover frame (3), the upper end of the linkage rod (7) is rotationally connected with the crankshaft (6), and the lower end of the linkage rod (7) is rotationally connected with the top end of the vertical connecting rod (401).
7. A laminated anti-backflow water supply device as claimed in claim 1, wherein,
The three-way pipe (9) is communicated with two valves (8) positioned on the same side of the pumping cavity (1), and the two valves (8) on the same side of the pumping cavity (1) are alternately opened and closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422102615.7U CN223048135U (en) | 2024-08-29 | 2024-08-29 | Pressure-superposed backflow-preventing water supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422102615.7U CN223048135U (en) | 2024-08-29 | 2024-08-29 | Pressure-superposed backflow-preventing water supply equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223048135U true CN223048135U (en) | 2025-07-01 |
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ID=96148189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422102615.7U Active CN223048135U (en) | 2024-08-29 | 2024-08-29 | Pressure-superposed backflow-preventing water supply equipment |
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| Country | Link |
|---|---|
| CN (1) | CN223048135U (en) |
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- 2024-08-29 CN CN202422102615.7U patent/CN223048135U/en active Active
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