CN216554568U

CN216554568U - Impeller structure with novel shaft sleeve

Info

Publication number: CN216554568U
Application number: CN202123364987.XU
Authority: CN
Inventors: 刘邦平
Original assignee: Kunshan Kunlijie Environmental Protection Technology Co ltd
Current assignee: Kunshan Kunlijie Environmental Protection Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-17
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses an impeller structure with a novel shaft sleeve, which comprises: the impeller body, impeller body middle part is equipped with the shaft hole along the axis direction, be equipped with in the shaft hole and imbed the axle sleeve of shaft hole inner wall, the outer fringe uniform interval of axle sleeve is equipped with a plurality of breachs, the breach has the orientation the crooked arcwall face of axis direction of axle sleeve, it is a plurality of the breach with it has the glue of moulding plastics to fill between the shaft hole inner wall, in order to avoid the axle sleeve skids. The utility model has at least the following advantages: through improving discoid axle sleeve for having the axle sleeve of a plurality of arc breachs to fill up between arc breach and shaft hole inner wall and mould plastics gluey, it is rotatory to make the axle sleeve drive when rotatory to mould plastics gluey, increases the bearing capacity of axle sleeve, avoids the axle sleeve to take place the phenomenon of skidding, thereby makes axle sleeve and impeller can synchronous motion, improves production efficiency, reduces the maintenance cost.

Description

Impeller structure with novel shaft sleeve

Technical Field

The utility model relates to the technical field of pump shaft sleeves, in particular to an impeller structure with a novel shaft sleeve.

Background

A pump, a machine for increasing the pressure of liquid or gas to make it transport flow, is a device for moving liquid, gas or special fluid medium, i.e. a machine which does work on fluid. The impeller part is an important part of the pump, the impeller part comprises an impeller seat, an impeller and other parts, and a shaft sleeve is arranged in the impeller to realize the connection of the impeller and other parts. The shaft sleeve in the prior art is a smooth disc, and when the impeller rotates, because there is no resistance between the shaft sleeve and the impeller, the shaft sleeve can slip, so that the impeller and the shaft sleeve move relatively, the impeller can not work normally, the efficiency is reduced, and the later maintenance is not convenient.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the embodiment of the utility model provides an impeller structure with a novel shaft sleeve, which is used for solving the problem that the shaft sleeve slips when the impeller rotates.

The embodiment of the application discloses impeller structure with novel axle sleeve is through improving the axle sleeve for having a plurality of arc breachs with discoid axle sleeve to fill up the glue of moulding plastics between arc breach and shaft hole inner wall, make the axle sleeve drive when rotatory and mould plastics gluey rotatory, increase the bearing capacity of axle sleeve, avoid the axle sleeve to take place the phenomenon of skidding, thereby make axle sleeve and impeller can synchronous motion, improve production efficiency, reduce the maintenance cost.

Wherein, an impeller structure with novel axle sleeve includes:

the impeller body, impeller body middle part is equipped with the shaft hole along the axis direction, be equipped with in the shaft hole and imbed the axle sleeve of shaft hole inner wall, the outer fringe uniform separation of axle sleeve is equipped with a plurality of breachs, the breach has the orientation the curved arcwall face of axis direction of axle sleeve, it is a plurality of the breach with it has the injection molding to fill between the shaft hole inner wall to glue, in order to avoid the axle sleeve skids.

Further, an impeller seat is arranged at the bottom of the impeller body, an impeller shaft is fixedly connected to the impeller seat, and a first pin piece and a second pin piece are oppositely arranged on the outer edge of the impeller shaft close to the impeller seat.

Furthermore, the first pin piece is elastically connected with a first spring, and the second pin piece is elastically connected with a second spring.

Furthermore, a first groove and a second groove are oppositely arranged in the shaft hole, when the impeller is sleeved on the impeller shaft, the first pin piece can be abutted against the first groove, and the second pin piece can be abutted against the second groove.

Furthermore, the central hole of the shaft sleeve is circular and is used for being matched and connected with the impeller shaft.

Further, the inner diameter of the shaft hole is consistent with the inner diameter of the shaft sleeve.

Further, the impeller body is made of pp (polypropylene).

Furthermore, the shaft sleeve is made of zinc-aluminum alloy or powder metallurgy.

Furthermore, the material of the injection molding glue is pp (polypropylene) or pvdf (polyvinylidene fluoride).

Furthermore, there are 3 notches on the axle sleeve.

The utility model has the following beneficial effects:

through improving discoid axle sleeve for having the axle sleeve of a plurality of arc breachs to fill up between arc breach and shaft hole inner wall and mould plastics gluey, it is rotatory to make the axle sleeve drive when rotatory to mould plastics gluey, increases the bearing capacity of axle sleeve, avoids the axle sleeve to take place the phenomenon of skidding, thereby makes axle sleeve and impeller can synchronous motion, improves production efficiency, reduces the maintenance cost.

In order to make the aforementioned and other objects, features and advantages of the utility model comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a top view of a bushing in an embodiment of the utility model;

FIG. 2 is a top view of an impeller in an embodiment of the present invention;

FIG. 3 is a front view of an impeller shaft in an embodiment of the present invention.

Reference numerals of the above figures: 10. an impeller body; 11. a shaft hole; 20. a shaft sleeve; 21. a notch; 22. an arc-shaped surface; 30. an impeller shaft; 40. a first pin member; 50. a second pin member; 60. a first groove; 70. a second groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

This application impeller structure with novel axle sleeve is through improving the axle sleeve for having a plurality of arc breachs with discoid axle sleeve to fill up the glue of moulding plastics between arc breach and shaft hole inner wall, it is rotatory to make the axle sleeve drive to mould plastics when rotatory to glue, increases the bearing capacity of axle sleeve, avoids the axle sleeve to take place the phenomenon of skidding, thereby makes axle sleeve and impeller can synchronous motion, improves production efficiency, reduces the maintenance cost.

The utility model will be described in detail below with reference to the accompanying fig. 1-3 and examples.

The impeller structure with the novel shaft sleeve 20 in this embodiment includes:

impeller body 10, impeller body 10 middle part is equipped with shaft hole 11 along the axis direction, be equipped with in the shaft hole 11 and imbed the axle sleeve 20 of 11 inner walls in shaft hole, the even interval in outer fringe of axle sleeve 20 is equipped with a plurality of breachs 21, breach 21 has the orientation the crooked arcwall face 22 of axis direction of axle sleeve 20, it is a plurality of breach 21 with it has the injection molding to fill between 11 inner walls in shaft hole, in order to avoid axle sleeve 20 skids.

Referring specifically to fig. 1, in the present embodiment, the impeller structure with the novel shaft sleeve 20 includes: an impeller body 10. The impeller body 10 is generally circular. The middle part of the impeller body 10 is provided with a shaft hole 11 along the axis direction. The shaft hole 11 is circular. And a shaft sleeve 20 capable of being embedded into the inner wall of the shaft hole 11 is arranged in the shaft hole 11. The sleeve 20 is generally circular. The outer edge of the shaft sleeve 20 is provided with 3 notches 21 at even intervals. The notch 21 has an arc-shaped surface 22 curved toward the axial direction of the boss 20. And injection molding glue is filled between the plurality of notches 21 and the inner wall of the shaft hole 11. The injection molding glue is made of pp (polypropylene) or pvdf (polyvinylidene fluoride). The bearing capacity of the shaft sleeve 20 can be increased by the injection molding glue, so that the shaft sleeve 20 can synchronously rotate along with the impeller to avoid the shaft sleeve 20 from slipping.

Referring specifically to fig. 3, in the present embodiment, an impeller seat is provided at the bottom of the impeller body 10. The impeller seat is substantially circular. The impeller seat is fixedly connected with an impeller shaft 30. The impeller shaft 30 is provided with a first pin 40 and a second pin 50 opposite each other adjacent to the outer edge of the impeller seat. A first spring is elastically connected to the first pin member 40. A second spring is elastically connected to the second pin member 50. The first pin member 40 can move in a radial direction by the elastic force of the first spring. The second pin member 50 can move in a radial direction by the elastic force of the second spring.

Referring specifically to fig. 2, in the present embodiment, a first groove 60 and a second groove 70 are oppositely disposed in the shaft hole 11. When the impeller is sleeved on the impeller shaft 30 from top to bottom, the first pin piece 40 can be abutted to the first groove 60, and the second pin piece 50 can be abutted to the second groove 70, so that the impeller has supporting force in two directions, and the impeller is prevented from being separated from the impeller shaft 30 when rotating at high speed.

In a preferred embodiment, the central bore of the boss 20 is circular for mating connection with the impeller shaft 30.

Specifically, in the present embodiment, the inner diameter of the shaft hole 11 is consistent with the inner diameter of the sleeve 20.

Specifically, in this embodiment, the impeller body 10 is made of pp (polypropylene). The polypropylene material has the advantages of economic price, environmental protection and good injection molding performance.

Specifically, in this embodiment, the material of the shaft sleeve 20 is zinc-aluminum alloy or powder metallurgy. The heat distortion temperature of the zinc-aluminum alloy or powder metallurgy is high, the service life of the shaft sleeve 20 is prolonged, the service life of the impeller is prolonged, the production cost is greatly reduced, and the environmental protection performance is better.

Specifically, in this embodiment, the material of the injection molding glue is pp (polypropylene) or pvdf (polyvinylidene fluoride).

This scheme is through improving discoid axle sleeve for having the axle sleeve of a plurality of arc breachs to fill up the glue of moulding plastics between arc breach and shaft hole inner wall, it is rotatory to make the axle sleeve drive to mould plastics when rotatory, increases the bearing capacity of axle sleeve, avoids the axle sleeve to take place the phenomenon of skidding, thereby makes axle sleeve and impeller can synchronous motion, improves production efficiency, reduces the maintenance cost.

The principle and the implementation mode of the utility model are explained by applying specific embodiments in the utility model, and the description of the embodiments is only used for helping to understand the technical scheme and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. The utility model provides an impeller structure with novel axle sleeve which characterized in that includes:

2. The impeller structure with the novel shaft sleeve as claimed in claim 1, wherein an impeller seat is arranged at the bottom of the impeller body, an impeller shaft is fixedly connected to the impeller seat, and a first pin member and a second pin member are oppositely arranged on the impeller shaft near the outer edge of the impeller seat.

3. The impeller structure with the novel shaft sleeve as claimed in claim 2, wherein a first spring is elastically connected to the first pin member, and a second spring is elastically connected to the second pin member.

4. The impeller structure with the novel shaft sleeve as claimed in claim 3, wherein a first groove and a second groove are oppositely arranged in the shaft hole, when the impeller is sleeved on the impeller shaft, the first pin member can abut against the first groove, and the second pin member can abut against the second groove.

5. The impeller structure with the novel shaft sleeve as claimed in claim 4, wherein the central hole of the shaft sleeve is circular for being fittingly connected with the impeller shaft.

6. The impeller structure with the novel shaft sleeve as claimed in claim 1, wherein the inner diameter of the shaft hole is consistent with the inner diameter of the shaft sleeve.

7. The impeller structure with the novel shaft sleeve as claimed in claim 1, wherein the impeller body is made of pp (polypropylene).

8. The impeller structure with the novel shaft sleeve as claimed in claim 1, wherein the material of the shaft sleeve is zinc-aluminum alloy or powder metallurgy.

9. The impeller structure with the novel shaft sleeve as claimed in claim 1, wherein the injection molding glue is pp (polypropylene) or pvdf (polyvinylidene fluoride).

10. The impeller structure with the novel shaft sleeve as claimed in claim 1, wherein the number of the notches on the shaft sleeve is 3.