CN218991892U - Novel self-priming pump - Google Patents

Abstract

The utility model discloses a novel self-priming pump, which comprises a pump body, a motor and an impeller, wherein a central inflow port is formed in the pump body, the impeller is arranged at the central inflow port, a pumping chamber is arranged in the pump body, a runner with a spiral structure is arranged in the pumping chamber, and the runner is communicated with the central inflow port; the novel self priming pump of this scheme design sets up the pressurized-water chamber in the pump body inside, and water flows out after getting into the pump body and passing through the runner of the spiral structure in the pressurized-water chamber, because of the rotatory rivers that produce of impeller in the pump, the runner of spiral structure can reduce the noise that rivers striking pump body internal face produced effectively.

Description

Novel self-priming pump

Technical Field

The utility model relates to the technical field of self-priming pump structures, in particular to a novel self-priming pump.

Background

The portable self-priming pump is usually a vortex pump (also called vortex pump), and compared with other vane pumps, the vortex pump has the advantages of simple structure, small volume, light weight, self-priming capability or self-priming realization by means of a simple device. The device is suitable for conveying the cleaning liquid without solid particles with low viscosity. It mainly comprises impeller, pump body, pump cover, etc. A flow passage is formed between the pump body and the impeller, liquid enters from the suction inlet, energy is transmitted to the liquid by continuously applying work to the liquid for a plurality of times by the impeller in the pump head, and the liquid is discharged from the discharge outlet. Under the action of centrifugal force, liquid thrown out by the impeller can continuously impact and collide with the inner wall of the pump body and the partition tongue at the end part of the partition wall, so that larger noise can be generated.

It should be noted that the foregoing description of the background art is only for the purpose of providing a clear and complete description of the technical solution of the present utility model and is presented for the convenience of understanding by those skilled in the art. The above-described solutions are not considered to be known to the person skilled in the art simply because they are set forth in the background of the utility model section.

Disclosure of Invention

In order to overcome the defects, the utility model aims to provide a novel self-priming pump so as to effectively solve the technical problems.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a novel self priming pump, includes the pump body, motor and impeller, set up central income flow port on the pump body, the impeller sets up central income flow port department, be provided with the pressurized-water chamber in the pump body, be provided with the runner of spiral structure in the pressurized-water chamber, the runner intercommunication central income flow port.

The beneficial effects of the utility model are as follows: the novel self priming pump of this scheme design sets up the pressurized-water chamber in the pump body inside, and water flows out after getting into the pump body and passing through the runner of the spiral structure in the pressurized-water chamber, because of the rotatory rivers that produce of impeller in the pump, the runner of spiral structure can reduce the noise that rivers striking pump body internal face produced effectively.

Further, a water inlet and a water outlet are formed in the pump body, and the water inlet and the water outlet are respectively positioned on the left side and the right side of the pump body and are horizontally and symmetrically arranged; the water inlet and outlet threaded connectors of the pump body are arranged on two horizontal sides of the pump body, so that water pipe connection is facilitated.

Further, a water baffle is arranged at the port of the flow passage of the spiral structure;

further, a water filling port is formed in the pump body, and a water filling plug is arranged at the water filling port.

The water baffle and the water filling port are used for discharging air in the pump before the self-priming pump works, and the specific principle is as follows: when the pump works for the first time, water is filled into the pump body from the water filling port, after the water is filled, the water filling plug is screwed up to start the water pump, the motor shaft drives the impeller to rotate, the blades of the impeller drive liquid in the water pumping chamber to flow along the spiral line of the water pumping chamber, meanwhile, the impeller rotates to form negative pressure, a part of gas-liquid mixture sucked from the water inlet of the pump body is sucked, the gas-liquid mixture is blocked by the water baffle after exiting from the port of the flow passage due to centrifugal force, air is discharged from the water outlet of the pump body, the liquid flows back into the water pumping chamber again due to gravity, the liquid is driven by the impeller again, and the circulation is performed until the front end of the water inlet is completely discharged from the air in the suction pipe, and the self-priming function is achieved.

Further, the impeller comprises a cover plate and blades, a plurality of hollowed-out parts are arranged on the side face of the cover plate, and the blades are rotatably arranged in the cover plate through an output shaft connected with the motor; the impeller adopts a closed centrifugal curve blade structure, and noise generated when the pump body works is reduced under the condition that normal work is not influenced.

Further, the motor is connected with the pump body through a flange, and a sealing ring is arranged at the connection part of the motor and the pump body; the sealing ring can effectively improve the sealing performance of the pump body.

Further, a supporting base is arranged below the motor; the motor is installed on supporting the base, and supporting the effect of base is after water piping connection, keeps the water pump stable, is difficult for empting, eliminates motor vibration, leaves the fixed aperture of installation on the base simultaneously, convenient fixed use.

Further, a handle is fixedly arranged above the motor; the handle is arranged, so that a user can conveniently take and put the pump machine, and the pump machine is convenient to carry.

Further, an oil seal is sleeved on the output shaft of the motor; the oil blanket is used for sealing the lubricating oil in the motor, prevents that lubricating oil from flowing into the pump body inside along the output shaft.

Drawings

Fig. 1 is an exploded view of the whole structure of a self-priming pump according to an embodiment of the present utility model.

Fig. 2 is a schematic view of the structure of a pumping chamber in the pump body according to an embodiment of the present utility model.

FIG. 3 is a schematic diagram of the water flow direction of the pumping chamber according to an embodiment of the present utility model.

Fig. 4 is a schematic view of an impeller according to an embodiment of the present utility model.

In the figure: 1. a pump body; 2. a motor; 3. an impeller; 4. a central inlet port; 5. a pumping chamber; 6. a flow passage; 7. a water inlet; 8. a water outlet; 9. a water baffle; 10. a water filling port; 11. a water injection plug; 12. a flange; 13. a seal ring; 14. a support base; 15. a handle; 16. an oil seal;

3a, cover plate; 3b, blade.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

Please refer to fig. 1-4. It should be noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," "overhang," and the like do not denote that the component is required to be absolutely horizontal or overhang, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to the drawings 1-4, the novel self-priming pump comprises a pump body 1, a motor 2 and an impeller 3, wherein a central inflow port 4 is formed in the pump body 1, the impeller 3 is arranged at the central inflow port 4, a pumping chamber 5 is arranged in the pump body, a runner 6 of a spiral structure is arranged in the pumping chamber 5, and the runner 6 is communicated with the central inflow port 4.

The novel self priming pump of this scheme design sets up pumping chamber 5 in the pump body 1 inside, and water flows out after entering pump body 1 through the runner 6 of spiral structure in pumping chamber 5, because of the rotatory rivers that produce of impeller 3 in the pump, the runner 6 of spiral structure can reduce the noise that rivers striking pump body 1 internal face produced effectively.

On the basis of the above embodiment, specifically, the pump body 1 is provided with a water inlet 7 and a water outlet 8, and the water inlet 7 and the water outlet 8 are respectively located at the left side and the right side of the pump body 1 and are horizontally and symmetrically arranged.

The threaded connectors of the water inlet and the water outlet 8 of the pump body 1 are arranged on two horizontal sides of the pump body 1, so that water pipe connection is facilitated.

On the basis of the embodiment, specifically, a water baffle 9 is arranged at the port of the flow passage 6 of the spiral structure; a water filling port 10 is formed in the pump body 1, and a water filling plug 11 is arranged at the water filling port 10.

The water baffle 9 and the water injection port 10 are used for discharging air in the pump before the self-priming pump works, and the specific principle is as follows: when the pump works for the first time, water is filled into the pump body 1 from the water filling port 10, after the water is filled, the water filling plug 11 is screwed, the water pump is started, the motor 2 shaft drives the impeller 3 to rotate, the blades 3b of the impeller 3 drive the liquid in the water pressing chamber 5 to flow along the spiral line of the water pressing chamber 5, meanwhile, the impeller 3 rotates to form negative pressure, a part of gas-liquid mixture sucked from the water inlet 7 of the pump body 1 is sucked, the gas-liquid mixture is blocked by the water blocking plate 9 after going out from the port of the flow passage 6 due to the centrifugal force, air is discharged from the water outlet 8 of the pump body 1, the liquid is returned into the water pressing chamber 5 again due to the gravity, the liquid is driven by the impeller 3 again, and the circulation is performed until the front end of the water inlet 7 is completely discharged from the air in the suction pipe, and the self-priming function is achieved.

On the basis of the above embodiment, specifically, the impeller 3 includes a cover plate 3a and a blade 3b, a plurality of hollowed-out parts are provided on the side surface of the cover plate 3a, and the blade 3b is rotatably disposed inside the cover plate 3a through being connected with an output shaft of the motor 2.

The impeller 3 adopts a closed centrifugal curve blade 3b structure, and reduces noise generated when the pump body 1 works under the condition of not influencing normal work.

On the basis of the above embodiment, specifically, the motor 2 is connected to the pump body 1 through a flange 12, and a seal ring 13 is provided at a connection portion between the motor 2 and the pump body 1.

The seal ring 13 can effectively improve the sealing performance of the pump body 1.

On the basis of the above embodiment, specifically, a support base 14 is provided below the motor 2.

The motor 2 is installed on the support base 14, and the effect of support base 14 is that after water piping connection, keep the water pump stable, be difficult for empting, eliminate motor 2 vibration, leave the fixed aperture of installation on the base simultaneously, convenient fixed use.

On the basis of the above embodiment, specifically, a handle 15 is fixedly provided above the motor 2.

The handle 15 is arranged, so that a user can conveniently take and put the pump, and the pump is convenient to carry.

On the basis of the above embodiment, specifically, the output shaft of the motor 2 is sleeved with an oil seal 16.

The oil seal 16 is used to seal the lubrication oil in the motor 2, preventing the lubrication oil from flowing into the pump body 1 along the output shaft.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims (8)

1. The utility model provides a novel self priming pump, includes pump body, motor and impeller, its characterized in that: the pump body is provided with a central inflow port, the impeller is arranged at the central inflow port, a pumping chamber is arranged in the pump body, a runner with a spiral structure is arranged in the pumping chamber, and the runner is communicated with the central inflow port; the impeller comprises a cover plate and blades, a plurality of hollowed-out parts are arranged on the side face of the cover plate, and the blades are rotatably arranged inside the cover plate through being connected with an output shaft of the motor.

2. The novel self priming pump of claim 1, wherein: the pump body is provided with a water inlet and a water outlet, and the water inlet and the water outlet are respectively positioned on the left side and the right side of the pump body and are horizontally and symmetrically arranged.

3. The novel self priming pump of claim 1, wherein: the water baffle is arranged at the port of the flow passage of the spiral structure.

4. The novel self priming pump of claim 1, wherein: the pump body is provided with a water filling port, and a water filling plug is arranged at the water filling port.

5. The novel self priming pump of claim 1, wherein: the motor is connected with the pump body through a flange, and a sealing ring is arranged at the connecting part of the motor and the pump body.

6. The novel self priming pump of claim 1, wherein: and a supporting base is arranged below the motor.

7. The novel self priming pump of claim 1, wherein: a handle is fixedly arranged above the motor.

8. The novel self priming pump of claim 1, wherein: and an oil seal is sleeved on the output shaft of the motor.

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