CN218991891U - Self-exhausting self-priming pump device - Google Patents
Self-exhausting self-priming pump device Download PDFInfo
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- CN218991891U CN218991891U CN202223151014.2U CN202223151014U CN218991891U CN 218991891 U CN218991891 U CN 218991891U CN 202223151014 U CN202223151014 U CN 202223151014U CN 218991891 U CN218991891 U CN 218991891U
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Abstract
The utility model relates to a self-exhausting self-sucking pump device which comprises a water inlet pipe, a sealed water diversion tank and a self-sucking pump which are connected in sequence. The sealing water diversion tank is internally provided with a water absorption exhaust pipe, the water absorption exhaust pipe is a longitudinally arranged two-end closed hollow pipe, a plurality of small water inlet holes are longitudinally arranged on the side face of the water absorption exhaust pipe, the self-priming pump comprises a water pump cylinder body and a first-stage guide wheel, an exhaust device is arranged outside the first-stage guide wheel and in the water pump cylinder body, the exhaust device comprises a substrate, a plurality of air holes are formed in the surface of the substrate, the air holes are connected with exhaust water supplementing pipes with different lengths and open top surfaces, and a gap serving as a water passing surface is reserved between the substrate and the periphery of the first-stage guide wheel. The self-priming pump device for self-exhausting can suck a water source with a lower liquid level, automatically exhaust the collected air in the sealed water diversion tank and the water pump, automatically change the exhaust speed according to the quantity of the collected air, and avoid the phenomenon that the water pump cannot work normally due to insufficient liquid diversion or gas collection.
Description
Technical Field
The utility model belongs to the technical field of self-priming pumps, and particularly relates to a self-priming pump device capable of self-exhausting.
Background
Along with rapid promotion of urban treatment, water is an indispensable substance in life, and requirements of people on water quality improvement are also higher and higher, and a rapid and efficient water treatment mode is adopted to improve water quality. In some water treatment systems, it is desirable to draw water from a low water level source, where self-priming pumps are widely used.
The self-priming pump belongs to a self-priming centrifugal pump and has the advantages of compact structure, convenient operation, stable operation, easy maintenance, high efficiency, long service life, stronger self-priming capability and the like. And the pipeline does not need to be provided with a bottom valve, and a certain amount of liquid is only required to be stored in the pump body before working. The self-priming pump works in that water is filled in a pump shell before the pump is started or water is stored in the self-priming pump as liquid, after the self-priming pump is started, the impeller rotates at a high speed to enable the liquid in the impeller channel to flow to the volute, at the moment, vacuum is formed at the inlet to enable the water inlet check valve to be opened, and air and water in the suction pipe enter the pump and reach the outer edge through the impeller channel to be output.
Self-priming pumps encounter some common problems in everyday use: such as a self priming pump, does not draw water. The main reason is that after long-time operation, the air in the pipeline and the gas in the water are decomposed, the gas in the water pump and the water guide pipe in front of the water pump continuously accumulate, the liquid level of the guide liquid cannot be lowered to the level where water cannot be pumped, and the final result is that the water pump cannot continue to work normally.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a self-exhausting self-sucking pump device which can automatically exhaust air accumulated in a water suction tank and a water pump while sucking a low-liquid-level water source, thereby improving efficiency and reducing maintenance frequency and time.
The technical scheme adopted for solving the technical problems is as follows: the self-exhausting self-sucking pump device comprises a water inlet pipe of a water diversion tank, a sealed water diversion tank and a self-sucking pump which are connected in sequence. The sealing water diversion tank is internally provided with a water absorption exhaust pipe, the water absorption exhaust pipe is a longitudinally arranged two-end closed hollow pipe, a plurality of small water inlet holes are longitudinally arranged on the side face of the water absorption exhaust pipe, the lower end of the water absorption exhaust pipe is connected with a water pump water inlet of the self-priming pump through a water pump water inlet pipe, the self-priming pump comprises a water pump cylinder body and a first-stage guide wheel positioned below the water pump water inlet, an exhaust device is arranged outside the first-stage guide wheel and in the water pump cylinder body, the exhaust device comprises a substrate, a plurality of air holes are formed in the surface of the substrate, the air holes are connected with exhaust water supplementing pipes with different lengths and open top faces, and a gap serving as a water passing surface is reserved between the substrate and the periphery of the first-stage guide wheel.
Further, one end of the water inlet pipe of the water diversion tank is connected with a low-level water source, and the other end of the water inlet pipe of the water diversion tank is connected with the upper part of the sealed water diversion tank.
Further, the base plate of the exhaust device is annular.
Further, three small water inlet holes are formed in the side face of the water absorption and exhaust pipe and are respectively formed in the upper portion, the middle portion and the lower portion of the water absorption and exhaust pipe.
Further, the number of the exhaust water supplementing pipes is two, and the shorter one is arranged at one side close to the water inlet of the water pump and is lower than the lower edge of the water inlet of the water pump; the longer one is arranged on the opposite side of the shorter one and is higher than the upper edge of the water inlet of the water pump.
Further, the hole area of the small water inlet hole is matched with the sectional area of the water inlet pipe of the water pump.
Advantageous effects
The self-priming pump device for self-exhausting can suck a water source with a lower liquid level, automatically exhaust the collected air in the sealed water diversion tank and the water pump, automatically change the exhaust speed according to the quantity of the collected air, and avoid the phenomenon that the water pump cannot work normally due to insufficient liquid diversion or gas collection.
The utility model has simple structure and low cost, can automatically suck the collected air collected on the upper part of the sealed water diversion tank by arranging the water absorption exhaust pipes with water absorption exhaust ports with different heights in the sealed water diversion tank, simultaneously, the air collected on the upper part of the water pump cylinder is pumped by arranging the exhaust device in the water pump and the exhaust water supplementing pipe on the exhaust device, and the water is dissolved into the conveying water, and the exhaust speed can be changed according to the quantity and the liquid level of the air, so that the self-absorption and the exhaust problems of the water pump can be solved once and for all, and the continuous safe operation of the water pump can be ensured.
Drawings
Fig. 1 is a schematic structural diagram of a self-priming pump device for self-venting.
Fig. 2 is a schematic perspective view of the exhaust device in fig. 1.
Wherein, 1-a water inlet pipe of a water diversion tank; 2-sealing the water diversion tank; 3-a water-absorbing exhaust pipe; 4, a water inlet pipe of the water pump; 5-a water pump cylinder; 6-impeller; 7-a first-stage guide wheel; 8-a secondary idler; 9-pump shaft; 10-a seal; 11-a water outlet bracket; a 12-coupling; 13-an electric motor; 14-a water inlet of a water pump; 15-a water pump water outlet; 16-an exhaust; 16.1-exhaust water supplementing pipe A; 16.2-exhaust water supplementing pipe B; 17-water passing surface; 18-water filling port.
Like reference symbols in the various drawings indicate like elements.
Detailed Description
The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the claims appended hereto.
As shown in fig. 1, the utility model provides a self-priming pump device for self-exhausting, which comprises a water diversion tank water inlet pipe 1, a sealed water diversion tank 2 and a self-priming pump which are connected in sequence. The top of the sealed water diversion tank 2 is provided with a water filling port 18. The self-priming pump sequentially comprises a water pump cylinder 5, a water outlet bracket 11 and a motor 13 above the water outlet bracket 11 from bottom to top, wherein a water pump water inlet 14 is formed in one side of the water pump cylinder 5, and a water pump water outlet 15 is formed in one side of the water outlet bracket 11. The inside of the water pump cylinder 5, the lower parts of the water pump water inlet 14 and the water pump water outlet 15 are respectively and coaxially provided with a primary guide wheel 7 and a plurality of secondary guide wheels 8, impellers 6 are respectively arranged in the primary guide wheel 7 and the plurality of secondary guide wheels 8, the impellers 6 are connected with a motor 13 through a pump shaft 9 and a coupling 12, and the pump shaft 9 is connected with a water outlet bracket 11 through a sealing element 10.
The sealing water diversion tank 2 is internally provided with a water absorption and exhaust pipe 3, the water absorption and exhaust pipe 3 is a longitudinally arranged two-end closed hollow pipe, a plurality of small water inlet holes are longitudinally arranged on the side face of the hollow pipe, the lower end of the water absorption and exhaust pipe 3 is connected with a water pump water inlet 14 of a self-priming pump through a water pump water inlet pipe 4, an exhaust device 16 is arranged outside a first-stage guide wheel 7 and in a water pump cylinder 5, the exhaust device 16 comprises a substrate, a plurality of air holes are arranged on the surface of the substrate, the air holes are connected with exhaust water supplementing pipes with different lengths and open top surfaces, and a gap serving as a water passing surface 17 is reserved between the substrate and the periphery of the first-stage guide wheel 7.
In this embodiment, the hole area of the small water inlet hole is matched with the sectional area of the water inlet pipe 4 of the water pump.
In this embodiment, one end of the water inlet pipe 1 of the diversion tank is connected with a low-level water source for self-priming pumping from the low-level water source, and the other end is connected with the upper part of the sealed diversion tank 2.
As shown in fig. 2, in this embodiment, the base plate of the exhaust device 16 is annular, the air holes are opened on the annular surface, two exhaust water-supplementing pipes are welded and fixed, and the shorter one is the exhaust water-supplementing pipe a16.1, which is arranged near one side of the water inlet 14 of the water pump and has a height lower than the lower edge of the water inlet 14 of the water pump; the longer one is an exhaust water supplementing pipe B16.2, and is arranged on the opposite side of the shorter one and is higher than the upper edge of the water inlet 14 of the water pump.
In this embodiment, three small water inlet holes are formed on the side surface of the water absorbing exhaust pipe 3, and are respectively formed at the upper part, the middle part and the lower part of the water absorbing exhaust pipe 3.
The working principle of the utility model is described in detail below:
the utility model fills water into the sealed water diversion tank 2 from outside through the water filling port 18 before the first start to provide initial liquid diversion, and closes the water filling port 18 after the sealed water diversion tank 2 is completely filled. And then starting the self-priming pump device system to pump water, gradually reducing the initial liquid-guiding water level in the sealed water-guiding tank 2, gradually enhancing the negative pressure in the sealed water-guiding tank 2, enabling the atmospheric pressure to press a low-level water source into the sealed water-guiding tank 2 through the water-guiding tank water inlet pipe 1, and continuously working to supply water to a user after the water of the low-level water source enters the sealed water-guiding tank 2 through the water-guiding tank water inlet pipe 1, namely, entering a water pump through the water-absorbing exhaust pipe 3 and the water pump water inlet pipe 4, and being discharged from the water pump water outlet 15 through the water pump water inlet 14.
The automatic exhaust principle of the sealed water diversion tank 2 is as follows:
on the water-absorbing exhaust pipe 3 in the sealed water-introducing tank 2, a plurality of small water inlet holes are arranged at different heights, the sum of the water inlet areas of the small water inlet holes is equal to the passing area of the water inlet pipe 4 of the water pump, when the liquid level in the sealed water-introducing tank 2 is lower than the highest small water inlet on the water-absorbing exhaust pipe 3, other small water inlets of the water-absorbing exhaust pipe 3 in the sealed water-introducing tank 2 only can provide partial required flow, and the insufficient part can extract upper air from the sealed water-introducing tank 2 through the small water inlets exposed at the upper part of the water-absorbing exhaust pipe 3, so that the negative pressure lifting speed in the sealed water-introducing tank 2 is improved until the liquid level in the sealed water-introducing tank 2 rises until all the small water inlets on the water-absorbing exhaust pipe 3 are submerged, and the water inlet pipe 4 of the water pump again obtains complete flow from the water-absorbing exhaust pipe 3, so that the water pump reaches the highest operation efficiency again.
In the utility model, if more gas is generated in the sealed water diversion tank 2, the liquid level is fast to drop, the liquid level is low, the exposed small water inlet on the water absorption exhaust pipe 3 is increased, the exhaust speed is fast, the negative pressure lifting speed in the sealed water diversion tank 2 is also fast, the liquid level is fast to rise, and the liquid level in the sealed water diversion tank 2 can be quickly recovered to a high water level, so that the water pump reaches the highest operation efficiency again.
The water pump operation and automatic exhaust principle is as follows: when the incoming water is sufficient and no gas aggregation is generated, the water level in the water pump cylinder 5 is higher, the liquid level is higher than the highest exhaust water supplementing pipe B16.2, at the moment, water enters the water pump cylinder 5 from the water pump water inlet 14, then enters the lower part of the water pump cylinder 5 after entering the exhaust water supplementing pipe B16.2, the exhaust water supplementing pipe A16.1 and the water passing surface 17 at the lower part, is pumped by the impeller 6 in the primary guide wheel 7, is sent into the secondary guide wheel 8, is continuously conveyed by the impeller 6 in the secondary guide wheel 8, the quantity of the secondary guide wheel 8 and the impeller 6 can be set as required, the water is lifted step by step, and finally the water pump is discharged from the water pump water outlet 15 of the water outlet bracket 11.
In the operation of the water pump, if a small amount of gas is accumulated, the water level in the water pump cylinder 5 is lower than the highest exhaust water supplementing pipe B16.2, at this time, water enters the water pump cylinder 5 from the water pump water inlet 14, enters the lower part of the water pump cylinder 5 after passing through the water surface 17 at the lower part and the exhaust water supplementing pipe A16.1, and the water level in the water pump cylinder 5 is lower than the highest exhaust water supplementing pipe B16.2, so that the exhaust water supplementing pipe B16.2 cannot pass through, at this time, the total overflow area cannot meet the pumping requirement of the water pump, and the insufficient part can pump air accumulated at the upper part of the water pump cylinder 5 from the exhaust water supplementing pipe B16.2, and is mixed in the conveying water for pumping, so that the negative pressure lifting speed at the upper part of the water pump cylinder 5 is improved, and the liquid level of the water pump cylinder 5 can rise rapidly.
The water pump is operated, if more gas gathers are generated, the water level in the water pump cylinder 5 drops faster, if the liquid level is lower than all the exhaust water supplementing pipes A16.1 and the exhaust water supplementing pipes B16.2, the total overflow area can not meet the pumping requirement of the water pump, the insufficient part can be exhausted from the exhaust water supplementing pipes A16.1 and the exhaust water supplementing pipes B16.2 simultaneously, the mixture is pumped in the conveying water, the negative pressure lifting speed of the upper part of the water pump cylinder 5 is accelerated, the liquid level is quickly recovered, after the liquid level is higher than all the exhaust water supplementing pipes, all the exhaust water supplementing pipes and the overflow surface 17 can be used for water, the pumping requirement of the water pump can be met, and the water pump normally conveys water. According to the utility model, the exhaust in the pump can be performed according to the quantity of air at the upper part of the water pump cylinder 5 and the liquid level, so that different exhaust water supplementing pipes can perform exhaust work, and the water pump can quickly recover to normal water supply.
The utility model has simple structure and low cost, the water suction and exhaust pipe 3 is arranged in the sealed water diversion tank 2, the water suction and exhaust pipes 3 are provided with water suction and exhaust ports with different heights, the collected air collected on the upper part of the sealed water diversion tank 2 can be automatically sucked, meanwhile, the exhaust device 16 and the exhaust water supplementing pipe on the exhaust device 16 are arranged in the water pump to extract the gas collected on the upper part of the water pump cylinder 5, the conveying water is dissolved, the self-suction and exhaust problems of the water pump can be solved once and for all according to the quantity and the liquid level of the air, and the continuous safe operation of the water pump can be ensured.
Claims (6)
1. The utility model provides a self priming pump device from exhaust, includes continuous drainage jar inlet tube (1), sealed drainage jar (2) and self priming pump in proper order, its characterized in that, be equipped with in sealed drainage jar (2) and inhale water blast pipe (3), it is a two closed hollow tubes of indulging to inhale water blast pipe (3), and a plurality of little inlet openings have been arranged in its side column, the lower extreme of inhaling water blast pipe (3) pass through water pump inlet tube (4) with the water pump water inlet (14) of self priming pump link to each other, the self priming pump includes water pump barrel (5) and is located first level guide pulley (7) of water pump water inlet (14) below, be equipped with exhaust apparatus (16) in first level guide pulley (7) outside, water pump barrel (5), exhaust apparatus (16) are equipped with a plurality of gas pockets including the base plate, the gas pocket is continuous with the open-ended exhaust moisturizing pipe of top surface, the base plate with leave the clearance as water surface (17) in the periphery of first level guide pulley (7).
2. A self-venting self-priming pump device according to claim 1, wherein the priming tank inlet tube is connected at one end to a low level water source and at the other end to the upper part of the sealed priming tank (2).
3. Self-priming pump device for self-venting according to claim 1, characterized in that the base plate of the venting device (16) is ring-shaped.
4. The self-priming pump device for self-exhaust according to claim 1, wherein three small water inlet holes are formed in the side face of the water-absorbing exhaust pipe (3), and the three small water inlet holes are respectively formed in the upper portion, the middle portion and the lower portion of the water-absorbing exhaust pipe (3).
5. The self-priming pump device for self-exhaust according to claim 1, wherein the number of the exhaust water replenishing pipes is two, and the shorter one is arranged at one side close to the water inlet (14) of the water pump and is lower than the lower edge of the water inlet (14) of the water pump; the longer one is arranged on the opposite side of the shorter one and is higher than the upper edge of the water inlet (14) of the water pump.
6. A self-venting self-priming pump device according to claim 1, wherein the aperture area of the small inlet opening matches the cross-sectional area of the water pump inlet tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223151014.2U CN218991891U (en) | 2022-11-25 | 2022-11-25 | Self-exhausting self-priming pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223151014.2U CN218991891U (en) | 2022-11-25 | 2022-11-25 | Self-exhausting self-priming pump device |
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| Publication Number | Publication Date |
|---|---|
| CN218991891U true CN218991891U (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223151014.2U Active CN218991891U (en) | 2022-11-25 | 2022-11-25 | Self-exhausting self-priming pump device |
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|---|---|
| CN (1) | CN218991891U (en) |
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2022
- 2022-11-25 CN CN202223151014.2U patent/CN218991891U/en active Active
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