CN219492598U - High-lift pumping device - Google Patents
High-lift pumping device Download PDFInfo
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- CN219492598U CN219492598U CN202320633643.4U CN202320633643U CN219492598U CN 219492598 U CN219492598 U CN 219492598U CN 202320633643 U CN202320633643 U CN 202320633643U CN 219492598 U CN219492598 U CN 219492598U
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Abstract
The utility model relates to the technical field of pumping devices, in particular to a high-lift pumping device, which comprises a pump and is characterized in that: the pump includes drinking-water pipe and pump water pipe, and the drinking-water pipe intercommunication has circulation structure, and circulation structure is used for receiving the liquid of part pump, and circulation structure still is used for carrying the liquid back to the pump and filling the drinking-water pipe. The utility model receives and stores part of liquid through the circulating structure, and automatically conveys the liquid in the circulating structure back to the pump before the next pump is started, and after the liquid flows from the center of the impeller to the edge, low pressure is formed in the center of the impeller and the liquid is sucked in. When high-lift pumping device mounted position is higher, if the pumping pipe exists the air, the pump during operation will lead to the expansion of air in the pumping pipe, is difficult to inhale liquid, so also need to fill the pumping pipe with liquid, this scheme replaces the manual work with liquid filling pump and pumping pipe, convenient and fast has saved the human cost.
Description
Technical Field
The utility model relates to the technical field of pumping devices, in particular to a high-lift pumping device.
Background
In practical application, the pumping device is a device which is formed by a pump, a power machine, transmission equipment and a pipeline (including pipeline accessories such as a gate valve and the like) into a whole. Pumps are machines that deliver or pressurize fluids. It transmits mechanical energy of the prime mover or other external energy to the liquid, causing the liquid to increase in energy. The pump is mainly used for conveying water, oil, acid-alkali liquor, emulsion, suspension emulsion, liquid metal and other liquids, and can also be used for conveying liquid and gas mixtures and liquids containing suspended solids. Pumps can be generally classified into three types, positive displacement pumps, power pumps and other types of pumps according to the principle of operation.
Since the air is of very small gravity, particularly the centrifugal pump needs to be filled with liquid before starting up, in order to generate sufficient centrifugal force to transport the liquid. The existing pumping device has the following problems: most adopt the manual work to fill the centrifugal pump with the liquid; it is necessary to manually control the volume of the filled liquid to avoid leakage.
Based on the above, there is a need for a high-lift pumping device for replacing manual filling of a centrifugal pump with liquid.
Disclosure of Invention
The utility model aims to provide a high-lift water pumping device, which solves the problem that the centrifugal pump is required to be filled with liquid manually in the prior art.
The utility model is realized by the following technical scheme:
the utility model provides a high-lift pumping device, includes pump, its characterized in that: the pump comprises a water pumping pipe and a water pumping pipe, wherein the water pumping pipe is communicated with a circulating structure, the circulating structure is used for receiving part of pumped liquid, the circulating structure is also used for conveying the liquid back to the pump and filling the water pumping pipe, and as the gravity of air is small, particularly the centrifugal pump needs to be filled with the liquid before the centrifugal pump is started so as to generate enough centrifugal force to convey the liquid. When the installation position of the high-lift pumping device is higher, if air exists in the pumping pipe, the air in the pumping pipe expands when the pump works, and liquid is difficult to inhale, so that the pumping pipe is filled with the liquid, the scheme replaces manual filling of the pump and the pumping pipe with the liquid, the pumping device is convenient and quick, and labor cost is saved.
Furthermore, the present solution is not limited to the specific structure of the circulation structure, and one possible solution is: the circulating structure comprises a water tank, a water inlet pipe and a water outlet pipe are arranged on the water tank, a water inlet valve is arranged on the water inlet pipe, a water outlet valve is arranged on the water outlet pipe, when the scheme is adopted, before the pump is started, the water outlet valve is opened, liquid in the water tank naturally flows into the pump and the water suction pipe under the action of gravity, then the pump is started, the water outlet valve is closed, the water inlet valve is opened, part of pumped liquid naturally flows into the water tank under the action of gravity, and the volume of the pumped liquid is required to be controlled according to experience.
Furthermore, a liquid level measuring piece is arranged in the water tank, so that the liquid level in the water tank can be measured in real time, and when the liquid level reaches a preset value, the water inlet valve is closed, so that vortex generated by the flow of pumped liquid to the water tank is avoided.
Furthermore, the specific structure of the liquid level measuring member is not limited solely, and one possible solution is as follows: the liquid level measuring part comprises a floating ball for indicating the liquid level in the water tank, and the liquid level is measured through the floating ball, so that the principle is simple and the liquid level measuring part is easy to realize.
Furthermore, the liquid level measuring part further comprises a wave-proof pipe arranged on the inner wall of the water tank, and the floating ball is positioned in the wave-proof pipe.
Furthermore, in order to obtain the position of the floating ball conveniently, one possible scheme is as follows: the floater is connected with the pole setting, apron and pole setting are worn to locate by the apron are connected to the water tank upper end, the wave-proof pipe still is used for spacing the pole setting, so that the axis of pole setting remains vertical throughout, because pole setting and floater synchronous movement, just the pole setting upper end passes the apron, through observing the distance that the pole setting top is higher than the apron up end, can directly perceivedly reflect the liquid level of water tank.
Still further, in other aspects: the water tank is provided with an observation window for observing the position of the floating ball, and the position of the floating ball in the wave-proof pipe can be observed conveniently and rapidly through the observation window.
Further, in order to facilitate automatic control of the water inlet valve, one possible solution is: the water inlet valve is an electric valve and the liquid level measuring part is used for controlling the water inlet valve in a feedback mode, specifically, when the liquid level measuring part measures that the liquid level is below a preset value, the water inlet valve is automatically opened to enable liquid to flow into the water tank from the water inlet pipe, and when the liquid level measuring part measures that the liquid level is above the preset value, the water inlet valve is automatically closed.
Furthermore, the pump electricity is connected with time relay, when adopting this scheme, after pumping device received the start-up instruction, opened the apovalve, liquid will be full of pump and drinking-water pipe in predetermineeing the time, later time the time relay starts the pump, has solved the volume that needs the manual control to irritate the liquid in order to avoid the problem of weeping.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. since the air is of very small gravity, and in particular the centrifugal pump is required to be filled with liquid before starting up, in order to generate sufficient centrifugal force to deliver the liquid, the solution receives and stores part of the liquid through the circulation structure and automatically delivers the liquid in the circulation structure back to the pump before the next start up of said pump, after which the liquid flows from the centre of the impeller to the rim, a low pressure is created in the centre of the impeller and the liquid is sucked in. When the installation position of the high-lift pumping device is higher, if air exists in the pumping pipe, the air in the pumping pipe expands when the pump works, and liquid is difficult to inhale, so that the pumping pipe is required to be filled with the liquid, the scheme replaces manual filling of the pump and the pumping pipe with the liquid, the pump is convenient and quick, and the labor cost is saved;
2. when the water tank is filled with water or discharged with water, the liquid level in the water tank fluctuates due to the change of the liquid level, particularly, larger water waves are generated during water filling to enable the floating ball to frequently move, and under the action of the wave-proof pipe, the floating ball can be effectively blocked from being impacted by the water waves, so that the floating ball is more stable;
3. after the water pumping device receives the starting instruction, the water outlet valve is opened, the pump and the water pumping pipe are filled with liquid in the preset time, and then the time relay starts the pump, so that the problem that the volume of the filled liquid needs to be manually controlled to avoid liquid leakage is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the water tank of the present utility model;
fig. 3 is a schematic diagram of a floating ball structure according to the present utility model.
In the drawings, the reference numerals and corresponding part names:
1. a pump; 2. a circulation structure; 3. a liquid level measuring member;
11. a water pumping pipe; 12. a water pumping pipe; 13. a control box;
21. a water tank; 22. a water inlet pipe; 23. a water outlet pipe; 24. a water inlet valve; 25. a water outlet valve; 26. a cover plate; 27. a deflector; 28. an observation window;
31. a floating ball; 32. a wave-proof tube; 33. a vertical rod; 34. a baffle ring.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model. It should be noted that the present utility model is already in a practical development and use stage.
First, it should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1:
as shown in fig. 1 and 2, a high-lift pumping device comprises a pump 1, and is characterized in that: the pump 1 comprises a water suction pipe 11 and a water pumping pipe 12, the water suction pipe 11 is communicated with a circulating structure 2, the circulating structure 2 is used for receiving part of pumped liquid, the circulating structure 2 is also used for conveying the liquid back to the pump 1 and filling the water suction pipe 11, and as the gravity of air is small, particularly the centrifugal pump needs to be filled with the liquid before the centrifugal pump is started, so that enough centrifugal force is generated to convey the liquid. When the installation position of the high-lift pumping device is higher, if air exists in the pumping pipe 11, the air in the pumping pipe 11 expands when the pump 1 works, and liquid is difficult to inhale, so that the pumping pipe 11 is filled with the liquid, the scheme replaces manual work to fill the pump 1 and the pumping pipe 11 with the liquid, the operation is convenient and quick, and the labor cost is saved.
The present solution does not uniquely define the specific structure of the circulation structure 2, one possible solution is: the circulation structure 2 comprises a water tank 21, a water inlet pipe 22 and a water outlet pipe 23 are arranged on the water tank 21, a water inlet valve 24 is arranged on the water inlet pipe 22, and a water outlet valve 25 is arranged on the water outlet pipe 23.
The liquid level measuring piece 3 is arranged in the water tank 21, so that the liquid level in the water tank 21 can be measured in real time, and when the liquid level reaches a preset value, the water inlet valve 24 is closed, so that vortex generated by the flow of pumped liquid to the water tank 21 is avoided.
Preferably, the inner wall of the pumping tube 12 is provided with a baffle 27 for guiding the liquid to the inlet tube 22.
As shown in fig. 3, the specific structure of the liquid level measuring member 3 is not limited solely in this scheme, and one possible scheme is as follows: the liquid level measuring member 3 includes a float ball 31 for indicating the liquid level in the water tank 21, and measures the liquid level by the float ball 31, and has simple principle and easy realization.
The liquid level measuring part 3 further comprises a wave-proof pipe 32 arranged on the inner wall of the water tank 21, the floating ball 31 is positioned in the wave-proof pipe 32, when the scheme is adopted, when the water tank 21 is filled with water or discharged with water, the liquid level in the water tank 21 can be fluctuated due to liquid level change, particularly, larger water waves can be generated when water is filled, so that the floating ball 31 is frequently moved, and under the action of the wave-proof pipe 32, the water waves can be effectively blocked from impacting the floating ball 31, so that the floating ball 31 is more stable.
In order to facilitate obtaining the position of the floating ball 31, one possible solution is: the floater 31 is connected with the pole setting 33, the upper end of the water tank 21 is connected with the cover plate 26, the pole setting 33 penetrates through the cover plate 26, the wave preventing pipe 32 is further used for limiting the pole setting 33, so that the axis of the pole setting 33 is always vertical, the pole setting 33 and the floater 31 synchronously move, the upper end of the pole setting 33 penetrates through the cover plate 26, and the liquid level of the water tank 21 can be visually reflected by observing the distance that the top of the pole setting 33 is higher than the upper end face of the cover plate 26.
In some other aspects: the water tank 21 is provided with an observation window 28 for observing the position of the floating ball 31, and the position of the floating ball 31 in the swash tube 32 can be observed conveniently and rapidly through the observation window 28.
To facilitate automatic control of the fill valve 24, one possible approach is to: the water inlet valve 24 is an electric valve and the liquid level measuring member 3 is used for feedback control of the water inlet valve 24, specifically, when the liquid level measuring member 3 measures that the liquid level is below a preset value, the water inlet valve 24 is automatically opened to enable the liquid to flow into the water tank 21 from the water inlet pipe 22, and when the liquid level measuring member 3 measures that the liquid level is above the preset value, the water inlet valve 24 is automatically closed.
The pump 1 electricity is connected with time relay, and time relay installs in control box 13, and when adopting this scheme, pumping device received the start-up instruction after, opens outlet valve 25, and liquid will fill pump 1 and drinking-water pipe 11 in the time of predetermineeing, and time relay starts pump 1 afterwards, has solved the volume that needs the manual control to irritate the liquid in order to avoid the problem of weeping.
Example 2:
the present solution is not limited solely to the manner in which the fill valve 24 is automatically controlled, one possible solution being: the vertical rod 33 is provided with a baffle ring 34, when the floating ball 31 moves up to a preset liquid level along with the liquid level, the baffle ring 34 contacts with a switch arranged on the lower end surface of the cover plate 26 to feedback control the water inlet valve 24 to be closed, and when the floating ball 31 moves down to the preset liquid level along with the liquid level, the switch arranged on the lower end surface of the cover plate 26 is disconnected to feedback control the water inlet valve 24 to be opened.
The working principle of the scheme is as follows:
after the pumping device receives a starting instruction, the water outlet valve 25 is opened, liquid in the water tank 21 naturally flows into the pump 1 and the water suction pipe 11 under the action of gravity, then the pump 1 is started, the water outlet valve 25 is closed, the water inlet valve 24 is opened, part of pumped liquid naturally flows into the water tank 21 under the action of gravity after entering the water inlet pipe 22 under the drainage action of the guide plate 27, when the floating ball 31 moves up to a preset liquid level along with the liquid level, the baffle ring 34 contacts with a switch arranged on the lower end face of the cover plate 26 to control the water inlet valve 24 to be closed in a feedback manner, and when the floating ball 31 moves down to the preset liquid level along with the liquid level, the switch arranged on the lower end face of the cover plate 26 is disconnected to control the water inlet valve 24 to be opened.
The foregoing detailed description of the utility model has been presented for purposes of illustration and description, and it should be understood that the utility model is not limited to the particular embodiments disclosed, but is intended to cover all modifications, equivalents, alternatives, and improvements within the spirit and principles of the utility model.
Claims (8)
1. High-lift pumping device, including pump (1), its characterized in that: the pump (1) comprises a water pumping pipe (11) and a water pumping pipe (12), the water pumping pipe (11) is communicated with a circulating structure (2), the circulating structure (2) is used for receiving liquid pumped by a part, and the circulating structure (2) is also used for conveying the liquid back to the pump (1) and filling the water pumping pipe (11).
2. The high lift pumping device of claim 1, wherein: the circulating structure (2) comprises a water tank (21), a water inlet pipe (22) and a water outlet pipe (23) are arranged on the water tank (21), a water inlet valve (24) is arranged on the water inlet pipe (22), and a water outlet valve (25) is arranged on the water outlet pipe (23).
3. The high lift pumping device of claim 2, wherein: a liquid level measuring piece (3) is arranged in the water tank (21).
4. A high lift pumping device as defined in claim 3, wherein: the liquid level measuring part (3) comprises a floating ball (31) for indicating the liquid level in the water tank (21).
5. The high lift pumping device of claim 4, wherein: the liquid level measuring part (3) further comprises a wave prevention pipe (32) arranged on the inner wall of the water tank (21), and the floating ball (31) is positioned in the wave prevention pipe (32).
6. The high lift pumping device of claim 5, wherein: the floating ball (31) is connected with the vertical rod (33), the upper end of the water tank (21) is connected with the cover plate (26), the vertical rod (33) penetrates through the cover plate (26), and the wave-proof pipe (32) is further used for limiting the vertical rod (33).
7. A high lift pumping device according to any of claims 3-6, characterized in that: the water inlet valve (24) is an electric valve, and the liquid level measuring piece (3) is used for controlling the water inlet valve (24) in a feedback mode.
8. A high lift pumping device according to any of claims 3-6, characterized in that: the pump (1) is electrically connected with a time relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320633643.4U CN219492598U (en) | 2023-03-28 | 2023-03-28 | High-lift pumping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320633643.4U CN219492598U (en) | 2023-03-28 | 2023-03-28 | High-lift pumping device |
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| Publication Number | Publication Date |
|---|---|
| CN219492598U true CN219492598U (en) | 2023-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320633643.4U Active CN219492598U (en) | 2023-03-28 | 2023-03-28 | High-lift pumping device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117249115A (en) * | 2023-08-16 | 2023-12-19 | 东莞动源机电科技有限公司 | Self-priming centrifugal pump and manufacturing method thereof |
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2023
- 2023-03-28 CN CN202320633643.4U patent/CN219492598U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117249115A (en) * | 2023-08-16 | 2023-12-19 | 东莞动源机电科技有限公司 | Self-priming centrifugal pump and manufacturing method thereof |
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