CN215213982U

CN215213982U - Residual water pump

Info

Publication number: CN215213982U
Application number: CN202121545090.4U
Authority: CN
Inventors: 孙建国; 李加志; 孙海晓; 黄柯
Original assignee: Zhejiang Fengyuan Pump Industry Co ltd
Current assignee: Zhejiang Fengyuan Pump Industry Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-17
Anticipated expiration: 2031-07-08

Abstract

The utility model provides a residual water pump belongs to mechanical technical field. It has solved the inconvenient problem of thoroughly taking out the drainage of current incomplete water pump. This residual water pump, which comprises a motor, the pump body is including intaking end and play water end, be equipped with the impeller in the pump body, the pivot and the impeller of motor link firmly mutually, the lower pot head of the pump body is established and is linked firmly the pump seat of tube-shape, the upper end of pump seat is linked together with the end of intaking of the pump body, the lower extreme of pump seat has linked firmly into water board and connecting seat, the connecting seat is cylindricly, the pump seat, it can form inclosed cavity to intake water board and connecting seat, the inside and outside both ends of connecting seat link to each other with intake water board and pump seat respectively, be equipped with the water inlet on the intake water board, the interior terminal surface of intake water board is equipped with annular sealed convex body, the water inlet is located the inboard of sealed convex body, the inside wall of pump seat is equipped with the check valve that can be with sealed convex body shutoff, the lower extreme border of connecting seat is equipped with a plurality of intake antrums that transversely run through. This residual water pump has the advantage that can thoroughly pump drainage.

Description

Residual water pump

Technical Field

The utility model belongs to the technical field of machinery, a water pump, especially a residual water pump are related to.

Background

The residual water pump is also called as a drainage pump, can be used in the occasions of extracting and discharging low water level and the like under the environments of basements, parking lots, swimming pools, impounding reservoirs, residential buildings, industrial site drainage, marine drainage and the like, but the existing residual water pump in the market has some defects in use: when discharging the water in the place, the existing drainage pump can not work on the water surface, or the drainage pump can not be started normally or the drainage is not thorough after the water level is lower than the water inlet surface of the pump body or the working surface of the impeller, and the drainage pump has the phenomena of backflow and the like after the discharge is finished, so that more accumulated water can be on the surface of the place, and the device can not extract and discharge the water thoroughly.

The high-efficiency energy-saving residual water pump (application number: 201921593448.3) as disclosed in the Chinese patent document comprises a water pump main body, a mounting frame, a water level sensor, a waterproof electric telescopic rod and a microcomputer control switch, wherein the mounting frame is arranged on the outer surface of the water pump main body, a connecting disc is arranged below the water pump main body, a rubber pad is adhered to the lower surface of the connecting disc, the water level sensor is arranged on the left side surface of the connecting disc, the waterproof electric telescopic rod is arranged above the left side of the connecting disc, the fixed end of the waterproof electric telescopic rod is arranged on the lower surface of the mounting frame, and the microcomputer control switch is arranged above the mounting frame. However, the water inlet of the residual water pump is not provided with a one-way valve structure, so that when the residual water pump stops working, water in the pump cavity is easy to flow backwards, and the residual water pump is inconvenient to completely pump and drain water.

Disclosure of Invention

The utility model aims at solving the problems in the prior art, and provides a residual water pump capable of thoroughly pumping and draining water.

The purpose of the utility model can be realized by the following technical proposal: residual water pump, including motor, the pump body include water inlet end and water outlet end, the pump body in be equipped with the impeller, the pivot of motor with the impeller link firmly mutually, its characterized in that, the lower pot head of the pump body establish and link firmly the pump seat of tube-shape, the upper end of pump seat with the water inlet end of the pump body be linked together, the lower extreme of pump seat link firmly into water board and connecting seat, the connecting seat be cylindricly, pump seat, water board and connecting seat can form inclosed cavity, the inside and outside both ends of connecting seat link to each other with water board and pump seat respectively, water board on be equipped with the water inlet, the interior terminal surface of water board be equipped with annular sealed convex body, the water inlet be located the inboard of sealed convex body, the inside wall of pump seat be equipped with can with the check valve of sealed convex body shutoff, the water inlet device is characterized in that a plurality of water inlet grooves which transversely penetrate through the water inlet device are formed in the edge of the lower end of the connecting seat, and the height from the bottom of each water inlet groove to the lower end face of the connecting seat is 0.8-2 mm.

When using, with injecting water in the pump body and in the pump seat, when this incomplete water pump is vertical to be immersed when treating drainage department, the lower terminal surface subsides of connecting seat are leaned on in the bottom surface of treating drainage department, drive the impeller through opening the motor and rotate, and water is inhaled the pump body and is discharged through the play water end from the intake chamber through the water inlet, when this incomplete water pump stop work, promotes the check valve shutoff water inlet through the pressure of the pump body and pump seat, avoids the water refluence. Because the height from the bottom of the water inlet tank to the lower end face of the connecting seat is 0.8-2mm and the sealing effect of the sealing convex body and the one-way valve, the residual water pump can realize ultra-low water level drainage, does not flow back, can realize thorough drainage, and has the advantages of good drainage effect, simple structure and reliable work. Through setting up the connecting seat, it is better to make this incomplete water pump have the wearability, has improved life.

In the residual water pump, the check valve comprises a disc-shaped valve plate arranged at the inner end of the water inlet plate, and the edge of the valve plate can be attached to and plugged with the sealing convex body. When the residual water valve stops working, the valve plate is abutted against the sealing convex body to form sealing, and the residual water valve has the advantage of good sealing effect.

In the residual water pump, the valve plate is made of rubber materials, the middle of the valve plate is wrapped by an annular plate body made of metal materials, a protruding positioning convex body is arranged in the middle of the valve plate, and a screw penetrates through the positioning convex body to be fixedly connected with the water inlet plate through threads. Adopt above-mentioned setting, the edge that makes the valve block through the elasticity of valve block self forms sealedly with sealed convex body, have the better and reliable advantage of simple structure of sealed effect, the middle part of valve block is including the plate body that adopts metal material to make, it has better supporting effect to the valve block to have, thereby improved the sealed effect of valve block once more, make this valve block and the assembly that the board screw thread that intakes links to each other and realize the valve block through the screw, the advantage of assembly simplicity has, the valve block adopts rubber materials to make, it is better to have the shock attenuation and fall the noise, it is reliable to make this residual water pump operate steadily.

In the residual water pump, the upper end of the sealing convex body is sharp-angled in cross section. The section of the upper end of the sealing convex body is in a sharp-angled shape, so that the lower end face of the valve block and the upper end of the sealing convex body can form a better sealing effect, and water backflow of the pump base is avoided.

In the residual water pump, the upper end of the pump body is sleeved and fixedly connected with a cylindrical water outlet sleeve, the motor is positioned in the water outlet sleeve, the water outlet sleeve is communicated with the water outlet end of the pump body, and the upper end of the water outlet sleeve is provided with a water outlet. Through setting up foretell water jacket, when using, can realize the cooling to the motor, the delivery port can be installed vertically or the slope is installed, has convenient to use's advantage.

In the residual water pump, the screw penetrates through the water inlet plate and is fixedly connected with the pump seat. Through setting up the connecting seat, it is better to make this incomplete water pump have the wearability, has improved life.

In the residual water pump, the height from the bottom of the water inlet groove to the lower end face of the connecting seat is 1 mm.

In foretell incomplete water pump, the pump body in link firmly the stator of tube-shape, the impeller be located the middle part of stator, the stator on be equipped with a plurality of curved water conservancy diversion faces that are, the inner of water conservancy diversion face with the impeller press close to mutually, the outer end direction of water conservancy diversion face the play water end. The guide surface through the stator guides the water flow in the pump body to the water outlet end of the body, so that the cooling effect of the residual water pump motor is improved, and the efficiency and the reliability of the electric pump are improved.

In the residual water pump, the pump body and the pump seat are made of aluminum alloy materials. The aluminum alloy has the advantages of light weight and corrosion resistance.

In the residual water pump, the water outlet sleeve is formed by stamping and drawing a thin steel plate, and has the advantages of light weight and difficult corrosion.

In the residual water pump, the sealing convex body and the connecting seat are made of rubber materials and adopt a vulcanization integrated structure with the water inlet plate and the screws, so that the residual water pump has the advantages of good vibration reduction and noise reduction performance and stable operation.

Compared with the prior art, the residual water pump has the following advantages:

1. because the height from the bottom of the water inlet tank to the lower end face of the connecting seat is 1mm and the sealing effect of the sealing convex body and the one-way valve, the residual water pump can realize ultra-low water level drainage and can realize thorough drainage, and has the advantages of good drainage effect, simple structure and reliable work;

2. the edge of the valve plate and the sealing convex body form sealing, so that the valve has the advantages of good sealing effect and simple and reliable structure;

3. the valve plate and the sealing convex body are made of rubber materials, so that the vibration and noise reduction performance is good, and the operation is stable;

4. the guide surface through the stator guides the water flow in the pump body to the water outlet end of the body, so that the cooling effect of the residual water pump motor is improved, and the efficiency and the reliability of the electric pump are improved.

Drawings

Fig. 1 is a perspective view of the present residual water pump.

Fig. 2 is a schematic sectional view of the present residual water pump.

Fig. 3 is a schematic sectional view a-a of fig. 2.

In the figure, 1, a motor; 2. a pump body; 2a, a water inlet end; 2b, a water outlet end; 3. an impeller; 4. a pump mount; 5. a water intake plate; 5a, a water inlet; 5b, sealing the convex body; 6. a one-way valve; 6a, a valve plate; 6b, a plate body; 6c, positioning convex bodies; 7. a screw; 8. discharging the water jacket; 8a, a water outlet; 9. a connecting seat; 9a, a water inlet groove; 10. a guide vane; 10a and a flow guide surface.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 3, the residual water pump comprises a motor 1 and a pump body 2, wherein the pump body 2 comprises a water inlet end 2a and a water outlet end 2b, an impeller 3 is arranged in the pump body 2, a rotating shaft of the motor 1 is fixedly connected with the impeller 3, a pump seat 4 is fixedly connected with a lower end of the pump body 2 in a sleeved mode, the upper end of the pump seat 4 is communicated with the water inlet end 2a of the pump body 2, a water inlet plate 5 is fixedly connected with the lower end of the pump seat 4, and a cylindrical connecting seat 9 is formed in the lower end of the pump seat 4, and the pump seat 4, the water inlet plate 5 and the connecting seat 9 can form a closed cavity. The outer end edge of the water inlet plate 5 is embedded in the connecting seat 9, the screw 7 penetrates through the water inlet plate 5 and is fixedly connected with the pump seat 4, the lower end edge of the connecting seat 9 is provided with a plurality of water inlet grooves 9a which transversely penetrate through, and the height from the groove bottoms of the water inlet grooves 9a to the lower end face of the connecting seat 9 is 0.8-2 mm. Preferably, the height from the bottom of the water tank to the lower end surface of the connecting seat 9 is 1 mm.

The water inlet plate 5 is provided with a water inlet 5a, the inner end face of the water inlet plate 5 is fixedly connected with an annular sealing convex body 5b, the lower end of the sealing convex body 5b is embedded in the upper end face of the water inlet plate 5, the water inlet 5a is positioned on the inner side of the sealing convex body 5b, and the inner side wall of the pump seat 4 is provided with a one-way valve 6 capable of plugging the sealing convex body 5 b. The check valve 6 comprises a disc-shaped valve plate 6a arranged at the inner end of the water inlet plate 5, and the edge of the valve plate 6a can be attached to and seals the sealing convex body 5 b. The valve plate 6a is made of rubber materials, the middle part of the valve plate is wrapped with an annular plate body 6b made of metal materials, the middle part of the valve plate 6a is provided with a convex positioning convex body 6c, and a screw 7 penetrates through the positioning convex body 6c to be fixedly connected with the water inlet plate 5 through threads. The section of the sealing convex body 5b is in a pointed shape, so that the lower end surface of the valve plate 6a and the upper end of the sealing convex body 5b can form a better sealing effect, and the water backflow of the pump base 4 is avoided. The sealing convex body 5b and the connecting seat 9 are made of rubber materials and adopt a vulcanization integrated structure with the water inlet plate 5 and the screw 7.

The upper end of the pump body 2 is sleeved and fixedly connected with a cylindrical water outlet sleeve 8, the motor 1 is positioned in the water outlet sleeve 8, the water outlet sleeve 8 is communicated with a water outlet end 2b of the pump body 2, the upper end of the water outlet sleeve 8 is provided with a water outlet 8a, a cylindrical guide vane 10 is fixedly connected in the pump body 2, the impeller 3 is positioned in the middle of the guide vane 10, the guide vane 10 is provided with a plurality of arc-shaped guide surfaces 10a, the inner end of each guide surface 10a is close to the impeller 3, and the outer end of each guide surface 10a is guided to the water outlet end 2 b.

The pump body 2 and the pump seat 4 are made of aluminum alloy materials, and have the advantages of light weight and corrosion resistance.

When using, with injecting water in the pump body 2 and in pump seat 4, when this residual water pump is vertical to be immersed when treating drainage department, the lower terminal surface subsides of connecting seat 9 are leaned on in treating the bottom surface of treating drainage department, drive impeller 3 through motor 1 and rotate, water is inhaled the pump body 2 through water inlet 5a from intake chamber 9a, and guide surface 10a through stator 10 is with the rivers in the pump body 2 toward the play water end 2b guide of body and discharge, when this residual water pump stop work, it pushes away the valve block 6a and supports and lean on and form sealedly on sealed convex body 5b to push off water inlet 5a, avoid the water refluence. Because the tank bottom of intake chamber 9a reaches the lower terminal surface of connecting seat 9 highly be 1mm to and sealed convex body 5b and check valve 6's sealed effect, make this residual water pump can realize the drainage of ultralow water level, can realize thoroughly taking out the drainage, have effectual and simple structure of drainage, the reliable operation's advantage. Through setting up connecting seat 9, it is better to make this residual water pump have the damping and fall the nature of making an uproar, operates steadily and reliability to it is better to have the wearability, has improved life. Through setting up foretell water jacket 8, when using, can realize the cooling to motor 1, delivery port 8a can vertical installation or slope installation, has convenient to use's advantage.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the motor 1, the pump body 2, the water inlet end 2a, the water outlet end 2b, the impeller 3, the pump base 4, the water inlet plate 5, the water inlet 5a, the sealing protrusion 5b, the one-way valve 6, the valve plate 6a, the plate body 6b, the positioning protrusion 6c, the screw 7, the water outlet sleeve 8, the water outlet 8a, the connecting base 9, the water inlet groove 9a, the guide vane 10, the guide surface 10a, and the like are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. Residual water pump, including motor (1), the pump body (2) including intake end (2a) and play water end (2b), the pump body (2) in be equipped with impeller (3), the pivot of motor (1) with impeller (3) link firmly mutually, its characterized in that, the lower pot head of the pump body (2) establish and link firmly pump seat (4) of tube-shape, the upper end of pump seat (4) with the intake end (2a) of the pump body (2) be linked together, the lower extreme of pump seat (4) link firmly into water board (5) and connecting seat (9), connecting seat (9) be cylindricly, pump seat (4), intake board (5) and connecting seat (9) can form inclosed cavity, the inside and outside both ends of connecting seat (9) link to each other with intake board (5) and pump seat (4) respectively, the water inlet plate (5) on be equipped with water inlet (5a), the inner end face of water inlet plate (5) be equipped with annular sealed convex body (5b), water inlet (5a) be located the inboard of sealed convex body (5b), the inside wall of pump seat (4) be equipped with can with check valve (6) of sealed convex body (5b) shutoff, the lower extreme border of connecting seat (9) be equipped with a plurality of intake flumes (9a) that transversely run through, the tank bottom of intake flume (9a) arrive the lower terminal surface of connecting seat (9) highly be 0.8-2 mm.

2. The residual water pump according to claim 1, wherein the check valve (6) comprises a disc-shaped valve plate (6a) arranged at the inner end of the water inlet plate (5), and the edge of the valve plate (6a) can abut against and block the sealing convex body (5 b).

3. The residual water pump according to claim 2, wherein the valve plate (6a) is made of rubber material, the middle part of the valve plate is wrapped with a ring-shaped plate body (6b) made of metal material, the middle part of the valve plate (6a) is provided with a convex positioning convex body (6c), and a screw (7) penetrates through the positioning convex body (6c) to be fixedly connected with the water inlet plate (5) through threads.

4. Residual water pump according to claim 1, 2 or 3, characterized in that the height H from the bottom of the water inlet groove (9a) to the lower end surface of the connecting base (9) is 1 mm.

5. A residual water pump according to claim 1, 2 or 3, characterized in that the cross section of the upper end of the sealing protrusion (5b) is pointed.

6. The residual water pump according to claim 1, 2 or 3, characterized in that a cylindrical water outlet sleeve (8) is sleeved and fixedly connected to the upper end of the pump body (2), the motor (1) is located in the water outlet sleeve (8), the water outlet sleeve (8) is communicated with a water outlet end (2b) of the pump body (2), and a water outlet (8a) is arranged at the upper end of the water outlet sleeve (8).

7. Residual water pump according to claim 1, 2 or 3, characterized in that the sealing protrusion (5b) and the connecting seat (9) are made of rubber and are integrally vulcanized with the water inlet plate (5).

8. The residual water pump according to claim 1, 2 or 3, characterized in that a cylindrical guide vane (10) is fixedly connected in the pump body (2), the impeller (3) is positioned in the middle of the guide vane (10), a plurality of arc-shaped guide surfaces (10a) are arranged on the guide vane (10), the inner end of each guide surface (10a) is close to the impeller (3), and the outer end of each guide surface (10a) is guided to the water outlet end (2 b).

9. Residual water pump according to claim 1, 2 or 3, characterized in that the pump body (2) and the pump base (4) are made of an aluminum alloy material.