CN216306247U

CN216306247U - High-efficient immersible pump water inlet festival

Info

Publication number: CN216306247U
Application number: CN202123074854.9U
Authority: CN
Inventors: 林发明; 牟伦飞; 隆路兵; 史雷
Original assignee: China Dafu Pump Industry Co ltd
Current assignee: China Dafu Pump Industry Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-04-15
Anticipated expiration: 2031-12-07

Abstract

The utility model provides a high-efficiency submersible pump water inlet joint, and belongs to the field of pumps. It has solved the problem that the rivers that current immersible pump intake the throttle and come out are the torrent. This high-efficient immersible pump festival of intaking, including the festival body of intaking, the festival body of intaking includes up end and lower terminal surface, up end and lower terminal surface central part all seted up the shaft hole, the lower terminal surface is provided with the mounting hole along the periphery outward, be provided with the engaging lug on the outer week pen of up end, be provided with a plurality of between lower terminal surface and the up end and be the drainage board that circumference display just has the drainage effect, be provided with on the up end and be the protruding last boundary layer that just has the drainage effect that makes progress, be provided with on the lower terminal surface and be the lower boundary layer that makes progress the arch and just with the drainage effect, and go up boundary layer and lower boundary layer longitudinal section and be "eight" font structural design. The utility model has the advantages of ingenious structural design, reduced hydraulic loss, improved service efficiency of the submersible pump and improved lift.

Description

High-efficient immersible pump water inlet festival

Technical Field

The utility model belongs to the field of pumps, relates to a submersible pump, and particularly relates to a high-efficiency submersible pump water inlet joint.

Background

The submersible pump is an important device for pumping water from a deep well. When in use, the whole unit is submerged to work, and underground water is extracted to the ground surface, so that the unit is used for domestic water, mine emergency, industrial cooling, farmland irrigation, seawater lifting and ship load regulation, and can also be used for fountain landscape.

The water inlet joint is an indispensable part in the submersible pump, and the water flow which is throttled out by the water inlet joint in the submersible pump is turbulent flow, so that the hydraulic loss of the submersible pump is serious, and the efficiency of the submersible pump is reduced.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a high-efficiency submersible pump water inlet joint with a drainage function.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a high-efficient immersible pump festival of intaking, includes the festival body of intaking, its characterized in that, the festival body of intaking include up end and lower terminal surface, up end and lower terminal surface central part all seted up the shaft hole, lower terminal surface be provided with the mounting hole along the periphery outward, the outer week of up end on be provided with the engaging lug, be provided with a plurality of between terminal surface and the up end and be circumference display and have the drainage plate of drainage effect down, be provided with the last boundary layer that is the arch that makes progress and have the drainage effect on the up end, lower terminal surface on be provided with and be the lower boundary layer that makes progress the arch and just with the drainage effect, just last boundary layer and lower boundary layer longitudinal section be "eight" font structural design.

In foretell high-efficient immersible pump water inlet festival, last boundary layer and lower boundary layer periphery wall on all have drainage water conservancy diversion effect and the concave arc of undercut.

In the water inlet joint of the high-efficiency submersible pump, a plurality of reinforcing columns which are used for fixing the drainage plates and have the effect of reinforcing the connection strength are arranged between the upper end surface and the lower end surface, the plurality of reinforcing columns are sequentially arranged in the circumferential direction, and the number of the reinforcing columns is equal to that of the drainage plates.

In the water inlet joint of the high-efficiency submersible pump, the inner peripheral wall of the upper shaft hole of the lower end surface is provided with the annular part which is fixedly arranged for mechanical sealing and protrudes towards the central axis, and the annular part separates the upper shaft hole of the lower end surface.

Compared with the prior art, this high-efficient immersible pump water inlet section is equipped with boundary layer, lower boundary layer and drainage plate above, and all is provided with the drainage structure that has the drainage effect on boundary layer and the lower boundary layer above, has reduced hydraulic loss and improved the work efficiency of immersible pump in the very big degree, and the effect of impeller reflux prewhirl in the immersible pump can be played to offset by the drainage plate simultaneously, has improved the lift of immersible pump, has realized the high-lift effect.

Drawings

Fig. 1 is a schematic perspective view of the water inlet section of the high-efficiency submersible pump.

Fig. 2 is a schematic diagram of a half-section structure of a water inlet joint of the high-efficiency submersible pump.

Fig. 3 is a schematic diagram of the semi-section structure of the upper boundary layer and the lower boundary layer of the water inlet joint of the high-efficiency submersible pump.

Fig. 4 is a schematic structural view of a half section of the water inlet joint of the high-efficiency submersible pump after assembly.

In the figure, 1, a water inlet joint body; 2. an upper end surface; 3. a lower end face; 4. a drainage plate; 5. a shaft hole; 6. mounting holes; 7. connecting lugs; 8. an upper boundary layer; 9. a lower boundary layer; 10. a reinforcement column; 11. a circular ring part.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, this high-efficient immersible pump festival of intaking, including the festival body 1 of intaking, it includes up end 2 and lower terminal surface 3 to intake festival body 1, up

end

2 and 3 central parts of lower terminal surface all seted up

shaft hole

5, 3 outer edges of lower terminal surface are provided with mounting hole 6, be provided with engaging lug 7 on 2 outer peripheral pens of up end, be provided with a plurality of between lower terminal surface 3 and the up end 2 and be the drainage plate 4 that the circumference was displayed and had the drainage effect, be provided with on the up end 2 and be the upper boundary layer 8 that makes progress the arch and have the drainage effect, be provided with on the lower terminal surface 3 and be the lower boundary layer 9 that makes progress the arch and just have the drainage effect, and upper boundary layer 8 and lower boundary layer 9 longitudinal section are "eight" font structural design. Through

last boundary layer

8 and 9 structural design of lower boundary layer, the effectual rivers of having solved the tradition and intaking the throttle and being the problem of torrent, reduced hydraulic loss, improved the efficiency of immersible pump, the drainage water conservancy diversion is effectual, and impeller reflux prewhirl's effect in the immersible pump can be offset to drainage plate 4 simultaneously, can improve the lift of immersible pump.

Further saying in detail,

last boundary layer

8 and 9 periphery walls of lower boundary layer on all have drainage water conservancy diversion effect and the concave arc of undercut, this structure has fine drainage effect, has avoided the phenomenon of rivers torrent, the very big reduction the hydraulic loss condition, improved the availability factor of immersible pump greatly.

Further saying in detail, be provided with the enhancement post 10 that a plurality of is used for fixed drainage plate 4 and has the reinforced joint strength effect between up end 2 and the lower terminal surface 3, a plurality of strengthens post 10 and is the circumferencial direction and displays in proper order, and strengthens 10 quantity of post and 4 quantity of drainage plates equal, strengthens post 10 and has the improvement and intake festival bulk strength, is used for fixed drainage plate 4 effect simultaneously.

In more detail, the inner peripheral wall of the shaft hole 5 on the lower end surface 3 is provided with an annular part 11 which is used for fixedly installing a mechanical seal and protrudes towards the central axis, and the annular part 11 separates the shaft hole 5 on the lower end surface 3.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A high-efficiency submersible pump water inlet joint comprises a water inlet joint body (1) and is characterized in that, the water inlet joint body (1) comprises an upper end surface (2) and a lower end surface (3), the central parts of the upper end surface (2) and the lower end surface (3) are both provided with shaft holes (5), the periphery of the outer edge of the lower end surface (3) is provided with a mounting hole (6), the periphery of the upper end surface (2) is provided with a connecting lug (7), a plurality of drainage plates (4) which are arranged in the circumferential direction and have a drainage effect are arranged between the lower end surface (3) and the upper end surface (2), an upper boundary layer (8) which is convex upwards and has a drainage effect is arranged on the upper end surface (2), the lower end surface (3) is provided with a lower boundary layer (9) which is convex upwards and has drainage effect, and the longitudinal sections of the upper boundary layer (8) and the lower boundary layer (9) are designed into a structure in the shape of Chinese character 'ba'.

2. The water inlet joint of the high-efficiency submersible pump according to claim 1, characterized in that the outer peripheral walls of the upper boundary layer (8) and the lower boundary layer (9) are provided with concave arcs which have drainage and flow guide effects and are concave downwards.

3. The water inlet joint of the high-efficiency submersible pump according to claim 1, characterized in that a plurality of reinforcing columns (10) which are used for fixing the flow guide plates (4) and have the effect of reinforcing the connection strength are arranged between the upper end surface (2) and the lower end surface (3), the plurality of reinforcing columns (10) are sequentially arranged in the circumferential direction, and the number of the reinforcing columns (10) is equal to that of the flow guide plates (4).

4. The water inlet joint of the high-efficiency submersible pump according to claim 1, characterized in that the inner peripheral wall of the upper shaft hole (5) of the lower end surface (3) is provided with a circular ring part (11) which is fixedly arranged for mechanical sealing and is convex towards the central axis, and the circular ring part (11) separates the upper shaft hole (5) of the lower end surface (3).