CN210565345U

CN210565345U - Water flow pressurizing structure at water outlet of axial flow pump

Info

Publication number: CN210565345U
Application number: CN201921084403.3U
Authority: CN
Inventors: 戴星
Original assignee: Shanghai Dingyi Pump Co ltd
Current assignee: Shanghai Dingyi Pump Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-05-19
Anticipated expiration: 2029-07-11

Abstract

The utility model belongs to the technical field of axial-flow pump technique and specifically relates to an axial-flow pump delivery port rivers pressure intensifying structure, include: the axial flow pump comprises an axial flow pump water outlet, a pressurizing piece, a threaded surface, a screwing surface, a stress surface, an inner circular surface, a threaded ring and a pressurizing structure, wherein one end of the axial flow pump outlet is fixedly connected with the pressurizing structure, the outer wall of the pressurizing structure is movably connected with the threaded ring, the pressurizing structure is composed of twelve pressurizing pieces, one end of each pressurizing piece is fixedly connected with the axial flow pump water outlet, the outer wall of each pressurizing piece is fixedly connected with the threaded surface, the inner wall of each pressurizing piece is fixedly connected with the inner circular surface, the right side of each pressurizing piece is fixedly connected with the screwing surface, and the left side of each pressurizing. This practicality makes axial-flow pump delivery port rivers pressure boost structure can carry out the pressure boost to the rivers of axial-flow pump delivery port through setting up the pressurization structure.

Description

Water flow pressurizing structure at water outlet of axial flow pump

Technical Field

The utility model relates to an axial-flow pump technical field particularly, relates to an axial-flow pump delivery port rivers pressure intensifying structure.

Background

The axial-flow pump is a pump which transfers liquid along the axial direction by the acting force of the blade of the rotating impeller on the liquid, and the axial-flow pump has a plurality of types, such as vertical type, horizontal type, inclined type and through-flow type;

in practical application, liquid pumped by the axial flow pump is constant in pressure, and the axial flow pump cannot pressurize liquid at a water outlet, so that the water flow pressurizing structure at the water outlet of the axial flow pump is adopted.

SUMMERY OF THE UTILITY MODEL

Problem (A)

To sum up, the utility model relates to an axial-flow pump delivery port rivers pressure boost structure to solve the above-mentioned in practical application, the axial-flow pump is taken liquid out and is constant pressure, and the axial-flow pump can not carry out the problem of pressure boost to delivery port liquid.

(II) technical scheme

The utility model provides an axial-flow pump delivery port rivers pressure intensifying structure, include: the axial-flow pump outlet, add preforming, helicoid, screw in face, atress face, interior disc, screw ring and pressurization structure, axial-flow pump outlet one end fixed connection is equipped with the pressurization structure, pressurization structure outer wall swing joint is equipped with screw ring, the pressurization structure has twelve pressurization pieces to constitute, and pressurization piece one end and axial-flow pump outlet fixed connection, it is equipped with the helicoid to add preforming outer wall fixed connection, it is equipped with the interior disc to add preforming inner wall fixed connection, it is equipped with the screw in face to add preforming right side fixed connection, it is equipped with the atress face to add preforming left side fixed connection.

Preferably, the pressing structure is helical.

Preferably, the threaded ring is of an annular structure, threads are fixedly connected to the inner wall of the threaded ring, and the threads are meshed with the threads on the thread surface.

Preferably, the screwing surface and the stress surface are both arc surfaces with the same radian.

Preferably, the pressurizing sheet is an elastic steel sheet.

Preferably, the pressing sheets are uniformly distributed on the outer wall of the pressing structure.

(III) advantageous effects

1. The utility model discloses a set up the pressurization structure, make axial-flow pump delivery port rivers pressure boost structure can carry out the pressure boost to the rivers of axial-flow pump delivery port.

2. The utility model has the advantages of through setting up the screw ring, make axial-flow pump delivery port rivers pressure intensifying structure, can change the pressure size of axial-flow pump delivery port rivers according to clockwise or anticlockwise rotation screw ring of demand.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an overall plan view of the present invention.

Fig. 3 is a schematic structural view of the pressurizing sheet of the present invention.

In fig. 1 to 3, the corresponding relationship between the part names or lines and the reference numbers is:

the axial flow pump comprises a water outlet-1, a pressurizing sheet-2, a thread surface-201, a screw-in surface-202, a stress surface-203, an inner circle surface-204, a thread ring-3 and a pressurizing structure-4.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

Example (b):

referring to fig. 1-3, the present invention relates to an axial-flow pump outlet water flow pressurizing structure, including: the axial-flow pump water outlet 1, the pressurization piece 2, the screw surface 201, the screw in face 202, the stress surface 203, interior disc 204, threaded ring 3 and pressurization structure 4, axial-flow pump export 1 one end fixed connection is equipped with

pressurization structure

4, 4 outer walls swing joint of pressurization structure is equipped with threaded ring 3, pressurization structure 4 has twelve pressurization piece 2 constitutions, and 2 one end of pressurization piece and axial-flow pump water outlet 1 fixed connection, 2 outer walls fixed connection of pressurization piece is equipped with

screw surface

201, 2 inner walls fixed connection of pressurization piece is equipped with

interior disc

204, 2 right side fixed connection of pressurization piece is equipped with screw in

face

202, 2 left side fixed connection of pressurization piece is equipped with stress surface 203.

Wherein, pressurization structure 4 is the heliciform, and when axial-flow pump delivery port rivers pressure boost structure carried out the pressure boost, 4 one end of pressurization structure slowly closed make the axial-flow pump extract the water of same volume, through narrow and small pressurization structure 4, carried out the pressure boost to axial-flow pump delivery port rivers.

Wherein, threaded ring 3 is the loop configuration, and 3 inner wall fixed connection of threaded ring is equipped with the screw thread, and screw thread and the thread surface 201 on the thread mesh, when axial-flow pump delivery port rivers pressure intensifying structure carries out the pressure boost, clockwise rotation threaded ring 3 makes threaded ring 3 turn right-hand member motion, and 3 extrusion of threaded ring add the surface of piece 2, make the piece 2 that pressurizes extrude each other, make the delivery port of right-hand member littleer and smaller, make the axial-flow pump extract with the water of volume, make through the export that littleer and smaller, rivers pressure is bigger and bigger.

Wherein, screw in face 202 and stress surface 203 are the arc surface, and the radian is the same, and when axial-flow pump delivery port rivers pressure boost structure carried out the pressure boost, screw in face 202 laminating stress surface 203 screw in made the delivery port of pressurization structure 4 littleer, made the axial-flow pump extract with the water of volume, made through the export that littleer, rivers pressure is bigger and bigger.

Wherein, the pressurizing piece 2 is an elastic steel piece, when the threaded ring 3 rotates anticlockwise, the threaded ring 3 moves rightwards, and the pressurizing piece 2 enables the water outlet at the right end to be continuously opened under the action of the elastic force of the pressurizing piece 2.

Wherein, the pressurizing pieces 2 are uniformly distributed on the outer wall of the pressurizing structure 4, so that each pressurizing piece 2 is extruded by the threaded ring 3 and the stress is balanced.

The implementation scheme is as follows:

firstly, putting an axial-flow pump into water to pump water;

when the water flow pressurizing structure at the water outlet of the axial flow pump is used for pressurizing, the threaded ring 3 is rotated clockwise, so that the threaded ring 3 moves towards the right end, the threaded ring 3 extrudes the surface of the pressurizing sheet 2, the pressurizing sheets 2 are mutually extruded, the water outlet at the right end is smaller and smaller, the axial flow pump pumps water with the same volume, and the water flow pressure is larger and larger through the smaller and smaller outlets;

the screwing surface 202 is attached to the stress surface 203 and screwed in, so that the water outlet of the pressurizing structure 4 is smaller and smaller;

when the water flow pressure needs to be reduced, when the threaded ring 3 rotates anticlockwise, the threaded ring 3 moves rightwards, the pressurizing piece 2 enables the water outlet at the right end to be continuously opened under the action of self elasticity, the axial-flow pump extracts water with the same volume, and the water flow pressure is enabled to be smaller and smaller through a larger outlet.

Claims

1. The utility model provides an axial-flow pump delivery port rivers pressure boost structure, includes: axial-flow pump delivery port (1), pressurization piece (2), flank of screw (201), screw in face (202), stress surface (203), interior disc (204), screw ring (3) and pressurization structure (4), its characterized in that: axial-flow pump delivery port (1) one end fixed connection is equipped with pressurization structure (4), pressurization structure (4) outer wall swing joint is equipped with screw ring (3), pressurization structure (4) have twelve to add preforming (2) to constitute, and pressurization piece (2) one end and axial-flow pump delivery port (1) fixed connection, it is equipped with thread face (201) to add preforming (2) outer wall fixed connection, it is equipped with interior disc (204) to add preforming (2) inner wall fixed connection, it is equipped with screw in face (202) to add preforming (2) right side fixed connection, it is equipped with stress face (203) to add preforming (2) left side fixed connection.

2. The axial-flow pump delivery port water flow pressurization structure of claim 1, wherein: the pressurizing structure (4) is spiral.

3. The axial-flow pump delivery port water flow pressurization structure of claim 1, wherein: the threaded ring (3) is of an annular structure, threads are fixedly connected to the inner wall of the threaded ring (3), and the threads are meshed with the threads on the threaded surface (201).

4. The axial-flow pump delivery port water flow pressurization structure of claim 1, wherein: the screw-in surface (202) and the stress surface (203) are both arc surfaces with the same radian.

5. The axial-flow pump delivery port water flow pressurization structure of claim 1, wherein: the pressurizing sheet (2) is an elastic steel sheet.

6. The axial-flow pump delivery port water flow pressurization structure of claim 1, wherein: the pressurizing sheets (2) are uniformly distributed on the outer wall of the pressurizing structure (4).