CN220551285U

CN220551285U - Spiral impeller assembly for self-cooled axial flow pump

Info

Publication number: CN220551285U
Application number: CN202321824920.6U
Authority: CN
Inventors: 杨建锋
Original assignee: Hangzhou Jin's Pump Industry Co ltd
Current assignee: Hangzhou Jin's Pump Industry Co ltd
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2024-03-01
Anticipated expiration: 2033-07-12

Abstract

The utility model discloses a spiral impeller assembly for a self-cooling axial flow pump, which comprises a shaft sleeve, wherein spiral blades are arranged on the outer side of the shaft sleeve, mounting sheets are fixed on the inner sides of the spiral blades, positioning pins are arranged in the mounting sheets, reserved grooves are arranged on the inner sides of the shaft sleeve, connecting rings are fixed on the two ends of the shaft sleeve, a shaft hole is formed in the middle of the inner part of the shaft sleeve, a shaft rod is arranged in the shaft hole, and a shaft cover is arranged at one end of the connecting ring. According to the utility model, the spiral blade is arranged, when the spiral blade is required to be installed, the installation piece is attached to the outer side of the shaft sleeve by taking the spiral blade, then the locating pin is installed into the reserved groove through the installation piece, and at the moment, the installation piece is fixed on the outer side of the shaft sleeve, so that the spiral blade can be installed, the spiral blade can be replaced conveniently, and the convenience in installation is improved.

Description

Spiral impeller assembly for self-cooled axial flow pump

Technical Field

The utility model relates to the technical field of axial flow pumps, in particular to a spiral impeller assembly for a self-cooling axial flow pump.

Background

The axial flow pump is one of vane type pumps, the vanes of the axial flow pump flow along the pump shaft direction, the vanes of the axial flow pump are in spiral shape, the axial flow pump can be divided into three groups of vertical type, inclined type and horizontal type according to the position of a pump shaft device, the vanes of the axial flow pump are formed by a plurality of bent vanes, the shape of the vanes is similar to that of an electric fan vane, the axial flow pump conveys liquid, the liquid conveyed by the axial flow pump does not depend on the centrifugal force of the vanes on the liquid, the thrust of the vanes of the rotating vanes is utilized to enable the liquid to flow along the pump shaft direction, and the pump can continuously suck and discharge the liquid in the process of continuously rotating the vanes.

In the actual use, the impeller is arranged in the axial flow pump, liquid is conveyed through the rotation of the impeller, when the impeller is used for a long time, the outer part of the impeller is worn, and the impeller is replaced in a general replacement mode, so that the whole impeller is relatively wasted in manufacturing cost. Accordingly, a new spiral impeller assembly for a self-cooling axial flow pump has been proposed that addresses the problems noted in the background above.

Disclosure of Invention

First, the technical problem to be solved

It is an object of the present utility model to provide a screw impeller assembly for a self-cooling axial flow pump that solves the above-mentioned problems set forth in the background art.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: a spiral impeller subassembly for self-cooling axial-flow pump, including the axle sleeve, the outside of axle sleeve all is provided with helical blade, helical blade's inboard is fixed with the installation piece, the locating pin is all installed to the inside of installation piece, the inboard of axle sleeve all is provided with the reservation groove, the both ends of axle sleeve all are fixed with the go-between, the inside middle part of axle sleeve is provided with the shaft hole, the inside in shaft hole is provided with the axostylus axostyle, the one end of go-between is provided with the shaft cap.

Preferably, the four sets of spiral blades are arranged, and the four sets of spiral blades are annularly distributed on the outer side of the shaft sleeve.

Preferably, grooves are formed in the inner sides of the connecting rings, and balls are arranged in the grooves.

Preferably, the inner diameter of the groove is larger than the outer diameter of the ball, and a rolling structure is formed between the groove and the ball.

Preferably, the bottom of axostylus axostyle is provided with fixed cover, positioning bolt is installed to the inside bottom of fixed cover, the top of fixed cover is fixed with solid fixed ring.

Preferably, the bottom in the axostylus axostyle outside all is provided with the external screw thread, the inboard of fixed cover is provided with the internal screw thread, be threaded connection between axostylus axostyle and the fixed cover.

(III) beneficial effects

The spiral impeller assembly for the self-cooling axial flow pump has the advantages that: through being provided with helical blade, when needs are installed helical blade, through taking helical blade, laminate the outside of mounting plate and axle sleeve mutually, later pass the mounting plate and install into the inside of reservation groove with the locating pin, the mounting plate can be fixed in the outside of axle sleeve this moment, can install helical blade, and then conveniently change helical blade, has improved the convenience when installing;

through being provided with the recess, during the installation, can overlap the shaft hole in the outside of axostylus axostyle, the shaft cap can cover in the inside of go-between at this moment, and the inboard of shaft cap can contact with the ball, and when the axostylus axostyle passes through the shaft hole and drives the axle sleeve and rotate, the ball can roll in the inside of recess, can reduce the frictional force of shaft cap and go-between inboard through ball and recess, and then guarantees the lubricity when its use;

through being provided with fixed cover, when the shaft hole cover in the outside of axostylus axostyle, can overlap fixed cover in the bottom of axostylus axostyle, through rotatory fixed cover, fixed cover can rotate in the outside of axostylus axostyle, and fixed cover can be fixed in the bottom of axostylus axostyle this moment, can install the positioning bolt in the bottom of fixed cover, through rotatory positioning bolt, the positioning bolt can install into the bottom of axostylus axostyle, can guarantee the tightness when installing.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic elevational view of the present utility model;

fig. 4 is a schematic perspective view of a fixing sleeve according to the present utility model.

Reference numerals in the drawings illustrate:

1. a shaft sleeve; 2. a helical blade; 3. a mounting piece; 4. a positioning pin; 5. a connecting ring; 6. a reserved groove; 7. a groove; 8. a shaft hole; 9. a ball; 10. a shaft lever; 11. a shaft cover; 12. a fixed sleeve; 13. positioning bolts; 14. and a fixing ring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the spiral impeller assembly for the self-cooling axial flow pump comprises a shaft sleeve 1, wherein spiral blades 2 are arranged on the outer side of the shaft sleeve 1, mounting plates 3 are fixed on the inner sides of the spiral blades 2, positioning pins 4 are arranged in the mounting plates 3, reserved grooves 6 are arranged on the inner sides of the shaft sleeve 1, connecting rings 5 are fixed on the two ends of the shaft sleeve 1, a shaft hole 8 is formed in the middle of the inner part of the shaft sleeve 1, a shaft rod 10 is arranged in the shaft hole 8, a shaft cover 11 is arranged at one end of the connecting ring 5, four groups of spiral blades 2 are arranged, and the four groups of spiral blades 2 are distributed annularly on the outer side of the shaft sleeve 1;

specifically, as shown in fig. 1 and 2, when the structure is used, firstly, when the spiral blade 2 needs to be installed, the installation piece 3 is attached to the outer side of the shaft sleeve 1 by taking the spiral blade 2, then the positioning pin 4 is installed into the reserved groove 6 through the installation piece 3, and at the moment, the installation piece 3 is fixed on the outer side of the shaft sleeve 1, so that the spiral blade 2 can be installed, the spiral blade 2 is convenient to replace, and the convenience in installation is improved;

grooves 7 are formed in the inner side of the connecting ring 5, balls 9 are arranged in the grooves 7, the inner diameter of the grooves 7 is larger than the outer diameter of the balls 9, a rolling structure is formed between the grooves 7 and the balls 9, and friction force between the shaft cover 11 and the inner side of the connecting ring 5 can be reduced;

specifically, as shown in fig. 1 and 2, when the structure is used, firstly, during installation, the shaft hole 8 can be sleeved outside the shaft lever 10, the shaft cover 11 can cover the inside of the connecting ring 5, the inner side of the shaft cover 11 can be contacted with the balls 9, when the shaft lever 10 drives the shaft sleeve 1 to rotate through the shaft hole 8, the balls 9 can roll in the grooves 7, and the friction force between the shaft cover 11 and the inner side of the connecting ring 5 can be reduced through the balls 9 and the grooves 7, so that the lubricity of the shaft cover is ensured during use;

the bottom end of the shaft lever 10 is provided with a fixed sleeve 12, the bottom end inside the fixed sleeve 12 is provided with a positioning bolt 13, the top end of the fixed sleeve 12 is fixedly provided with a fixed ring 14, the bottom end outside the shaft lever 10 is provided with external threads, the inner side of the fixed sleeve 12 is provided with internal threads, and the shaft lever 10 is in threaded connection with the fixed sleeve 12;

specifically, as shown in fig. 3 and 4, when the structure is used, first, when the shaft hole 8 is sleeved outside the shaft 10, the fixing sleeve 12 can be sleeved at the bottom of the shaft 10, the fixing sleeve 12 can rotate outside the shaft 10 by rotating the fixing sleeve 12, at this time, the fixing sleeve 12 can be fixed at the bottom of the shaft 10, the positioning bolt 13 can be mounted at the bottom of the fixing sleeve 12, and by rotating the positioning bolt 13, the positioning bolt 13 can be mounted into the bottom of the shaft 10, so that the tightness in mounting can be ensured.

Working principle: firstly, during installation, the shaft hole 8 can be sleeved outside the shaft rod 10, the shaft cover 11 can cover the inside of the connecting ring 5 at the moment, the inner side of the shaft cover 11 can be contacted with the balls 9, the fixing sleeve 12 can be sleeved at the bottom of the shaft rod 10, the fixing sleeve 12 can rotate outside the shaft rod 10 through rotating the fixing sleeve 12, the fixing sleeve 12 can be fixed at the bottom of the shaft rod 10 at the moment, the positioning bolt 13 can be installed at the bottom of the fixing sleeve 12, the positioning bolt 13 can be installed into the bottom of the shaft rod 10 through rotating the positioning bolt 13, the tightness during installation can be ensured, when the shaft rod 10 drives the shaft sleeve 1 to rotate through the shaft hole 8, the balls 9 can roll in the grooves 7, friction force between the shaft cover 11 and the inner side of the connecting ring 5 can be reduced through the balls 9 and the grooves 7, and the use work of the spiral impeller assembly is completed.

The apparatus embodiments described above are merely illustrative, wherein elements illustrated as separate elements may or may not be physically separate, and elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. Spiral impeller assembly for self-cooling axial flow pump, comprising a sleeve (1), characterized in that: the novel shaft sleeve is characterized in that helical blades (2) are arranged on the outer side of the shaft sleeve (1), mounting plates (3) are fixed on the inner side of the helical blades (2), positioning pins (4) are arranged in the mounting plates (3), reserved grooves (6) are formed in the inner side of the shaft sleeve (1), connecting rings (5) are fixed at the two ends of the shaft sleeve (1), shaft holes (8) are formed in the middle of the inner portion of the shaft sleeve (1), shaft rods (10) are arranged in the shaft holes (8), and shaft covers (11) are arranged at one ends of the connecting rings (5).

2. The screw impeller assembly for a self-cooling axial flow pump of claim 1, wherein: the spiral blades (2) are provided with four groups, and the four groups of spiral blades (2) are annularly distributed on the outer side of the shaft sleeve (1).

3. The screw impeller assembly for a self-cooling axial flow pump of claim 1, wherein: the inner sides of the connecting rings (5) are provided with grooves (7), and balls (9) are arranged in the grooves (7).

4. A screw impeller assembly for a self-cooling axial flow pump according to claim 3, wherein: the inner diameter of the groove (7) is larger than the outer diameter of the ball (9), and a rolling structure is formed between the groove (7) and the ball (9).

5. The screw impeller assembly for a self-cooling axial flow pump of claim 1, wherein: the bottom of axostylus axostyle (10) is provided with fixed cover (12), positioning bolt (13) are installed to the inside bottom of fixed cover (12), the top of fixed cover (12) is fixed with solid fixed ring (14).

6. The screw impeller assembly for a self-cooling axial flow pump of claim 5, wherein: the bottom outside of axostylus axostyle (10) all is provided with the external screw thread, the inboard of fixed cover (12) is provided with the internal screw thread, be threaded connection between axostylus axostyle (10) and fixed cover (12).