CN219549147U

CN219549147U - Engineering submersible pump

Info

Publication number: CN219549147U
Application number: CN202223341528.4U
Authority: CN
Inventors: 李加志; 陈盛源; 童林丹
Original assignee: Zhejiang Fengyuan Pump Industry Co ltd
Current assignee: Zhejiang Fengyuan Pump Industry Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-08-18
Anticipated expiration: 2032-12-12

Abstract

The utility model provides an engineering submersible pump, and belongs to the technical field of engineering submersible pumps. The novel submersible pump solves the problems that the use effect and the service life are affected due to the fact that the conventional submersible pump is easy to block after being used for a long time. The engineering submersible pump comprises a motor, a pump body, a rotating shaft and an impeller, wherein the pump body comprises a pump cavity, a water inlet end and a water outlet, the water inlet end and the water outlet are communicated with the pump cavity, the impeller is fixedly connected with the rotating shaft, a net cover is fixedly connected to the lower end of the pump body, a stirring wheel is fixedly connected to the lower end of the rotating shaft and is positioned in the net cover, a water outlet connector is fixedly connected to a shell of the motor, a circulation channel is arranged on the shell of the motor, and the upper end and the lower end of the circulation channel are respectively communicated with the water outlet and the water outlet connector. The engineering submersible pump has the advantages of difficult blockage generation, good use effect and long service life.

Description

Engineering submersible pump

Technical Field

The utility model belongs to the technical field of water pumps, and relates to a submersible pump, in particular to an engineering submersible pump.

Background

The submersible pump is one of pumps, the submersible pump is driven by the motor to rotate, water is pumped in from the suction inlet and discharged from the discharge outlet to finish pumping work, the motor of the submersible pump has good sealing performance with the outside, and the submersible pump can be completely immersed into water to work. The built-in engineering submersible pump is a branch with excellent performance in the submersible pump, and is widely applied to various fields such as hydraulic engineering, underground engineering, mine drainage, construction engineering, water supply and drainage of water tanks of water towers and the like.

The built-in engineering submersible pump (application number: 201721282401.6) comprises a casing and a pump shell, wherein a motor is arranged in the casing, an impeller is arranged in the pump shell, a rotating shaft is arranged between the motor and the impeller, the pump shell is provided with a suction inlet for water inflow and a discharge outlet for water drainage, the motor drives the impeller to rotate through the rotating shaft so as to achieve water pumping, the built-in engineering submersible pump further comprises an epoxy polyester layer and a cable for motor power transmission, the cable comprises an outer protective sleeve positioned outside the casing and a plurality of sub-wires penetrating the outer protective sleeve, a penetrating hole is formed in the casing, a sealing plug is arranged in the penetrating hole, the sub-wires are connected to the sealing plug through the epoxy polyester layer, and the epoxy polyester layer isolates the space inside and outside the casing. But the submersible pump is easy to cause blockage after long-time use, and influences the use effect and the service life.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides an engineering submersible pump which is not easy to generate blockage, has a good using effect and a long service life.

The aim of the utility model can be achieved by the following technical scheme: engineering immersible pump, including motor, the pump body, pivot, impeller, the pump body include the pump chamber and with the inlet end and the delivery port that the pump chamber is linked together, the impeller with the pivot link firmly mutually, its characterized in that, the lower extreme of pump body link firmly the screen panel, the lower extreme of pivot link firmly the stirring wheel just the stirring wheel be located the screen panel in, the casing of motor on link firmly the play water joint, the casing of motor on have the circulation passageway, the upper and lower both ends of circulation passageway be linked together with foretell delivery port and play water joint respectively.

When the motor drives the rotating shaft to rotate, the impeller and the stirring wheel are driven to rotate, water at the mesh enclosure is sucked into the pump cavity through the rotation of the impeller and is output through the water outlet, and then flows through the circulation channel and is discharged through the water outlet connector, and fluid in the mesh enclosure is stirred through the rotation of the stirring wheel, so that impurities can be prevented from being blocked in the mesh enclosure, and the motor has the advantages of being good in using effect and long in service life.

In the engineering submersible pump, the lower end of the shell of the motor is fixedly connected with the end cover, the lower end of the end cover is fixedly connected with the oil cylinder cover, the end cover and the oil cylinder cover form an oil cavity, the oil cylinder cover is positioned between the end cover and the pump body, and the rotating shaft penetrates through the end cover and the oil cylinder cover. The rotating shaft penetrates through the end cover and the oil cylinder cover, so that lubricating oil in the oil cavity lubricates and dissipates heat to the rotating shaft, and the service life is prolonged.

In the engineering submersible pump, the upper end of the end cover is provided with the mounting groove, the rotating shaft penetrates through the mounting groove, a bearing is arranged between the rotating shaft and the mounting groove, and the bearing is embedded in the mounting groove. The bearing is positioned in the mounting groove, and has the advantages of simple structure and convenient manufacture.

In the engineering submersible pump, the outer side of the rotating shaft is sleeved with the shaft sleeve, the shaft sleeve is positioned between the oil cylinder cover and the impeller, and the upper end and the lower end of the shaft sleeve respectively lean against the oil cylinder cover and the impeller. Through setting up foretell axle sleeve, have the effectual advantage of location to the impeller.

In the engineering submersible pump, the main shaft of the motor and the rotating shaft are of an integrated structure.

In the engineering submersible pump, a framework oil seal is arranged between the oil cylinder cover and the shaft sleeve. By adopting the arrangement, the sealing device has the advantages of good sealing effect and simple structure.

In the engineering submersible pump, the mesh enclosure is fixedly connected with the pump body through screws. The mesh enclosure is fixedly connected with the pump body through the screws, and has the advantages of firm connection and convenience in disassembly and assembly.

Compared with the prior art, the engineering submersible pump has the following advantages:

1. through the rotation of the stirring wheel, the fluid in the net cover is stirred, so that the blockage of impurities in the net cover can be avoided, and the net cover has the advantages of good use effect and long service life;

2. the rotating shaft passes through the end cover and the oil cylinder cover, so that lubricating oil in the oil cavity lubricates and dissipates heat to the rotating shaft, and the service life is prolonged;

3. the rotating shaft penetrates through the end cover and the oil cylinder cover, so that lubricating oil in the oil cavity lubricates and dissipates heat to the rotating shaft, and the service life is prolonged.

Drawings

FIG. 1 is a schematic cross-sectional view of the present engineering submersible pump.

Fig. 2 is an enlarged partial schematic view of a of fig. 1.

In the figure, 1, a motor; 1a, a flow channel; 1b, end covers; 1c, a mounting groove; 2. a pump body; 2a, a water inlet end; 2b, a water outlet; 3. a rotating shaft; 4. an impeller; 5. a mesh enclosure; 6. a stirring wheel; 7. a water outlet joint; 8. a cylinder head; 9. an oil chamber; 10. a bearing; 11. a shaft sleeve; 12. a framework oil seal; 13. and (5) a screw.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 and 2, the engineering submersible pump comprises a motor 1, a pump body 2, a rotating shaft 3 and an impeller 4, wherein the pump body 2 comprises a pump cavity, a water inlet end 2a and a water outlet 2b which are communicated with the pump cavity, the impeller 4 is fixedly connected with the rotating shaft 3, and preferably, a main shaft of the motor 1 and the rotating shaft 3 are of an integrated structure.

The lower extreme of the pump body 2 has linked firmly the screen panel 5, and the lower extreme of pivot 3 has linked firmly the stirring wheel 6 and the stirring wheel 6 is located the screen panel 5, has linked firmly the play water joint 7 on the casing of motor 1, has circulation passageway 1a on the casing of motor 1, and the upper and lower both ends of circulation passageway 1a are linked together with above-mentioned delivery port 2b and play water joint 7 respectively.

The lower end of the shell of the motor 1 is fixedly connected with an end cover 1b, the lower end of the end cover 1b is fixedly connected with an oil cylinder cover 8, the end cover 1b and the oil cylinder cover 8 form an oil cavity 9, the oil cylinder cover 8 is positioned between the end cover 1b and the pump body 2, and the rotating shaft 3 penetrates through the end cover 1b and the oil cylinder cover 8. The upper end of the end cover 1b is provided with a mounting groove 1c, the rotating shaft 3 passes through the mounting groove 1c, a bearing 10 is arranged between the rotating shaft 3 and the mounting groove 1c, and the bearing 10 is embedded in the mounting groove 1c, so that the novel rotary shaft has the advantages of simple structure and convenience in manufacturing.

The outside cover of pivot 3 is equipped with axle sleeve 11, and axle sleeve 11 is located between cylinder cap 8 and the impeller 4, and the upper and lower both ends of axle sleeve 11 are supported respectively and are leaned on cylinder cap 8 and impeller 4, have the advantage that the location effect is good to impeller 4. A framework oil seal 12 is arranged between the oil cylinder cover 8 and the shaft sleeve 11, and has the advantages of good sealing effect and simple structure.

The mesh enclosure 5 is fixedly connected with the pump body 2 through the screw 13, and has the advantages of firm connection and convenience in disassembly and assembly.

When the motor 1 drives the rotating shaft 3 to rotate and drives the impeller 4 and the stirring wheel 6 to rotate, water at the screen 5 is sucked into the pump cavity and is output through the water outlet 2b by the rotation of the impeller 4, and then flows through the circulation channel 1a and is discharged through the water outlet connector 7, and fluid in the screen 5 is stirred by the rotation of the stirring wheel 6, so that impurities can be prevented from being blocked in the screen 5, and the motor has the advantages of good use effect and long service life. The rotating shaft 3 passes through the end cover 1b and the oil cylinder cover 8, so that lubricating oil in the oil cavity 9 lubricates and dissipates heat to the rotating shaft 3, and the service life is prolonged.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although terms such as the motor 1, the flow passage 1a, the end cap 1b, the installation groove 1c, the pump body 2, the water inlet end 2a, the water outlet 2b, the rotation shaft 3, the impeller 4, the mesh enclosure 5, the stirring wheel 6, the water outlet joint 7, the cylinder head 8, the oil chamber 9, the bearing 10, the shaft housing 11, the frame oil seal 12, the screw 13 are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims

1. Engineering immersible pump, including motor (1), pump body (2), pivot (3), impeller (4), pump body (2) including pump chamber and with pump chamber be linked together advance water end (2 a) and delivery port (2 b), impeller (4) with pivot (3) link firmly mutually, its characterized in that, the lower extreme of pump body (2) link firmly screen panel (5), the lower extreme of pivot (3) link firmly stirring wheel (6) just stirring wheel (6) be located screen panel (5) in, the casing of motor (1) on link firmly water outlet connection (7), the casing of motor (1) on have circulation passageway (1 a), the upper and lower both ends of circulation passageway (1 a) be linked together with delivery port (2 b) and water outlet connection (7) respectively.

2. The engineering submersible pump according to claim 1, wherein an end cover (1 b) is fixedly connected to the lower end of the housing of the motor (1), an oil cylinder cover (8) is fixedly connected to the lower end of the end cover (1 b), an oil cavity (9) is formed between the end cover (1 b) and the oil cylinder cover (8), the oil cylinder cover (8) is located between the end cover (1 b) and the pump body (2), and the rotating shaft (3) penetrates through the end cover (1 b) and the oil cylinder cover (8).

3. The engineering submersible pump according to claim 2, wherein the upper end of the end cover (1 b) is provided with a mounting groove (1 c), the rotating shaft (3) passes through the mounting groove (1 c), a bearing (10) is arranged between the rotating shaft (3) and the mounting groove (1 c), and the bearing (10) is embedded in the mounting groove (1 c).

4. The engineering submersible pump according to claim 2, wherein a shaft sleeve (11) is sleeved on the outer side of the rotating shaft (3), the shaft sleeve (11) is positioned between the oil cylinder cover (8) and the impeller (4), and the upper end and the lower end of the shaft sleeve (11) respectively lean against the oil cylinder cover (8) and the impeller (4).

5. An engineering submersible pump according to claim 1 or 2 or 3 or 4, characterized in that the main shaft of the motor (1) and the rotating shaft (3) are of an integral structure.

6. The engineering submersible pump according to claim 4, wherein a framework oil seal (12) is arranged between the oil cylinder cover (8) and the shaft sleeve (11).

7. The engineering submersible pump according to claim 1, 2, 3 or 4, wherein the mesh enclosure (5) is fixedly connected with the pump body (2) through bolts (13).