CN208311065U - A kind of pump head - Google Patents

Abstract

The utility model belongs to deep-well pump technical field, refers in particular to a kind of pump head；It include cylinder one, the upper end of cylinder one is provided with cylinder two, the outer diameter of the cylinder two is less than the outer diameter of cylinder one, extending radially outwardly in the lower end of cylinder one has annular convex edge, cylinder three is downwardly extending in the outer edge of annular convex edge, several connecting holes are circumferentially distributed in annular convex edge, the upper end of the cylinder two is provided with water outlet；The internal diameter of the cylinder three is 78.5 ± 0.015mm or 79.5 ± 0.015mm or 85.5 ± 0.015mm or 88.5 ± 0.015mm；The internal diameter of the utility model cylinder three can be suitably used for the most of deep well pump in market, and versatility is high.

Description

A kind of pump head

Technical field:

The utility model belongs to deep-well pump technical field, refers in particular to a kind of pump head.

Background technique:

Deep well pump is also known as deep well submerged pump, is a kind of water lift equipment of work that pulls the plug, mainly by from underground water In aspirated and conveyed water, be widely used in farmland discharging-irrigating, industrial and mining enterprises, urban water supply and sewerage and sewage treatment etc..It is existing Deep water pump is made of drive part and part of drawing water, and drive part includes driving motor and is sleeved on outside driving motor Lower case, part of drawing water includes water pump and the upper housing that is sleeved on outside water pump, and driving motor and water pump pass through clutch Direct connection connection, upper housing are equipped with water outlet；Or upper housing is connected with pump head, pump head is equipped with water outlet, water outlet and conveying Water pipe connection, by the impeller high speed rotation in driving motor driving water pump, in the liquid that the effect water pump of atmospheric pressure aspirates from out Conveying water pipe is flowed at the mouth of a river.

In actual use, because of abrasion or damage situations such as, pump head is needed replacing.Due to deep well pump brand and Structural style etc. is different, therefore, also proposed requirement to the versatility of pump head in replacement.

Summary of the invention:

The purpose of the utility model is to provide a kind of pump heads that versatility is high.

The utility model is realized in this way:

A kind of pump head includes cylinder one, the upper end of cylinder one is provided with cylinder two, the outer diameter of the cylinder two is less than The outer diameter of cylinder one, extending radially outwardly in the lower end of cylinder one has annular convex edge, extends downwardly in the outer edge of annular convex edge Cylinder three is formed, several connecting holes are circumferentially distributed in annular convex edge, the upper end of the cylinder two is provided with water outlet；Institute The internal diameter for stating cylinder three is 78.5 ± 0.015mm or 79.5 ± 0.015mm or 85.5 ± 0.015mm or 88.5 ± 0.015mm.

In a kind of above-mentioned pump head, the cylinder one, cylinder two, cylinder three and annular convex edge by stainless steel 201 or Stainless steel 304 material is made.

In a kind of above-mentioned pump head, the cylinder one, cylinder two, cylinder three and annular convex edge are an integral structure.

In a kind of above-mentioned pump head, the cylinder one, cylinder two, three axis collinear of cylinder.

In a kind of above-mentioned pump head, the outer diameter of the cylinder two is 51 ± 0.015mm.

In a kind of above-mentioned pump head, the distance of the upper plane of the upper end of the cylinder two to annular convex edge is 82 ± 1mm.

In a kind of above-mentioned pump head, the upper end of the cylinder two is provided with necking, and the inside of necking is water outlet, necking Diameter be 48 ± 0.015mm.

In a kind of above-mentioned pump head, the outer cylinder of the cylinder two is hexagonal or octagonal structure.

In a kind of above-mentioned pump head, the connecting hole is evenly distributed, setting there are six or eight.

The advantage that the utility model protrudes compared with prior art is:

1, the utility model is an integral structure, no-welding, and fastness is high；

2, the utility model is made of stainless steel, and has preferable anti-corrosive properties；

3, the internal diameter of the utility model cylinder three can be suitably used for the most of deep well pump in market, and versatility is high.

4, the outer cylinder of the cylinder one of the utility model is octagonal or hexagonal, easy disassembly.

Detailed description of the invention:

Fig. 1 is the schematic diagram one of the utility model；

Fig. 2 is the schematic diagram two of the utility model；

Fig. 3 is the main view of the utility model；

Fig. 4 is the A-A cross-sectional view of Fig. 3.

In figure: 1, cylinder one；2, cylinder two；3, annular convex edge；4, cylinder three；5, connecting hole；6, water outlet；7, positioning table Rank；8, necking；The internal diameter of D1, cylinder three；The outer diameter of D2, cylinder two；D3, necking diameter；H, the upper end of cylinder two is to annular The distance of the upper plane of convex edge.

Specific embodiment:

The utility model is further described with specific embodiment below, referring to Fig. 1-4:

A kind of pump head includes cylinder 1, and the upper end of cylinder 1 is provided with cylinder 22, the outer diameter of the cylinder 22 Less than the outer diameter of cylinder 1, extending radially outwardly in the lower end of cylinder 1 has annular convex edge 3, in the outer edge of annular convex edge 3 It is downwardly extending cylinder 34, several connecting holes 5 are circumferentially distributed in annular convex edge 3, the upper end of the cylinder 22 is set It is equipped with water outlet 6；The internal diameter D1 of the cylinder 34 is 78.5 ± 0.015mm or 79.5 ± 0.015mm or 85.5 ± 0.015mm Or 88.5 ± 0.015mm.Restriction of the utility model to the internal diameter D1 of cylinder 34, can be improved versatility, be suitable on the market Most of deep well pump.

The utility model connecting hole 5 setting there are six or eight.When installation, the cylinder 34 of the utility model is arranged It on deep well pump bracket, is then limited by annular convex edge 3, and mounting hole 5 is passed through by screw and is fixed on deep well pump bracket On.

Further, the cylinder 1, cylinder 22, cylinder 34 and annular convex edge equal 3 are by stainless steel 201 or stainless steel 304 materials are made.Stainless steel material is made, and improves the antiseptic property of the utility model.

Further, the cylinder 1, cylinder 22, cylinder 34 and convex annular 3 are an integral structure, no-welding, are simplified Manufacturing procedure, fastness are high.

Further, the axis collinear of cylinder 1, cylinder 22, cylinder 33, the convenient assembling with other component.

The outer diameter D 2 of the utility model cylinder 22 is 51 ± 0.015mm, and correspondingly, the internal diameter of cylinder 22 is less than cylinder one The junction of 1 internal diameter, cylinder 22 and cylinder 1 forms positioning step 7, and the function and effect of positioning are played to conveying water pipe.

Further, the distance H of upper plane of the upper end of the cylinder 22 to annular convex edge 3 is 82 ± 1mm, wherein cylinder The height of body 22 is 23 ± 1mm.

The upper end of cylinder 22 described in the utility model is provided with necking 8, and the inside of necking 8 is water outlet 6, necking 8 it is straight Diameter D3 is 48 ± 0.015mm.

In order to facilitate dismounting, the outer cylinder of the cylinder 22 is hexagonal or octagonal structure, can by hexagonal or octagonal structure To increase stress point.

Above-described embodiment is only one of preferred embodiment of the utility model, and the implementation of the utility model is not limited with this Range, therefore: the equivalence changes that all shape, structure, principles according to the utility model are done should all be covered by the guarantor of the utility model Within the scope of shield.

Claims (9)

1. a kind of pump head, it is characterised in that: include cylinder one (1), the upper end of cylinder one (1) is provided with cylinder two (2), institute The outer diameter for stating cylinder two (2) is less than the outer diameter of cylinder one (1), and extending radially outwardly in the lower end of cylinder one (1) has annular convex edge (3), it is downwardly extending cylinder three (4) in the outer edge of annular convex edge (3), is circumferentially distributed on annular convex edge (3) several A connecting hole (5), the upper end of the cylinder two (2) are provided with water outlet (6)；The internal diameter of the cylinder three (4) be 78.5 ± 0.015mm or 79.5 ± 0.015mm or 85.5 ± 0.015mm or 88.5 ± 0.015mm.

2. a kind of pump head according to claim 1, it is characterised in that: the cylinder one (1), cylinder two (2), cylinder three (4) and annular convex edge (3) is made of stainless steel 201 or stainless steel 304 material.

3. a kind of pump head according to claim 1, it is characterised in that: the cylinder one (1), cylinder two (2), cylinder three (4) and annular convex edge (3) is an integral structure.

4. a kind of pump head according to claim 1, it is characterised in that: the cylinder one (1), cylinder two (2), cylinder three (4) axis collinear.

5. a kind of pump head according to claim 1-4, it is characterised in that: the outer diameter of the cylinder two (2) is 51 ±0.015mm。

6. a kind of pump head according to claim 1-4, it is characterised in that: the upper end of the cylinder two (2) to ring The distance of the upper plane of shape convex edge (3) is 82 ± 1mm.

7. a kind of pump head according to claim 1, it is characterised in that: the upper end of the cylinder two (2) is provided with necking It (8), is water outlet (6) that the diameter of necking (8) is 48 ± 0.015mm inside necking (8).

8. a kind of pump head according to claim 1, it is characterised in that: the outer cylinder of the cylinder two (2) is hexagonal or eight Corner structure.

9. a kind of pump head according to claim 1, it is characterised in that: the connecting hole (5) is evenly distributed, and is provided with six It is a or eight.