CN219529595U

CN219529595U - Shaft sleeve with dustproof structure

Info

Publication number: CN219529595U
Application number: CN202320583525.7U
Authority: CN
Inventors: 史振阔; 高明; 李静; 孙成滨
Original assignee: Jinan Zhiyi Machinery Co ltd
Current assignee: Jinan Zhiyi Machinery Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-08-15
Anticipated expiration: 2033-03-23

Abstract

The utility model discloses a shaft sleeve with a dustproof structure, which belongs to the technical field of shaft sleeves and comprises a shaft sleeve assembly, wherein the shaft sleeve assembly comprises a shaft sleeve body, a rotating shaft connecting piece and a coaxial connecting piece, two groups of symmetrically arranged dustproof assemblies are arranged on the outer side of the rotating shaft connecting piece, each dustproof assembly comprises a placing sleeve arranged at the outer end of the rotating shaft connecting piece, two symmetrical contact blocks are connected to the outer end of each placing sleeve, each contact block is provided with a mounting hole, a dust ring is connected to the inner wall of each placing sleeve, and the outer end of each dust ring is subjected to round corner treatment. The utility model realizes that the rotating shaft connecting piece is dustproof after being connected with an external rotating shaft, and improves the durability of the rotating shaft connecting piece.

Description

Shaft sleeve with dustproof structure

Technical Field

The utility model relates to the technical field of shaft sleeves, in particular to a shaft sleeve with a dustproof structure.

Background

The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component part of the sliding bearing;

through retrieval, the Chinese patent number is CN205806224U, which comprises a shaft sleeve body; the shaft sleeve body is provided with a first through hole which axially penetrates through the shaft sleeve body; a coaxial positioning piece is arranged on one side surface of the shaft sleeve body; the coaxial positioning piece is provided with a second through hole communicated with the first through hole; a plurality of connecting columns are arranged on one side surface of the shaft sleeve body; the connecting columns are circumferentially distributed on one side face of the shaft sleeve body. The shaft sleeve body is provided with the coaxial positioning piece and the connecting column, the shaft sleeve and the impeller can be positioned through the coaxial positioning piece, and then the shaft sleeve is connected with the impeller through the connecting column, so that abrasion to the shaft sleeve is avoided, the service life of the shaft sleeve is prolonged, but a large amount of dust is attached to the outer end of the shaft sleeve assembly in the operation process, and the safety and conversion efficiency of the shaft sleeve assembly in the operation process are affected.

Disclosure of Invention

The present utility model is directed to a shaft sleeve with a dust-proof structure, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a axle sleeve with dustproof construction, includes the axle sleeve subassembly, the axle sleeve subassembly includes axle sleeve body, pivot connecting piece and coaxial coupling spare, the pivot connecting piece outside is provided with the dustproof subassembly that two sets of symmetries set up, dustproof subassembly is including setting up the cover of placing at the pivot connecting piece outer end, place the cover outer end and be connected with the contact block of two symmetries, every the mounting hole has all been seted up to the contact block, place cover inner wall connection has the dust ring, the dust ring outer end is the fillet treatment.

Preferably, one end of the shaft sleeve body is connected with a rotating shaft connecting piece, and one end of the shaft sleeve body, which is far away from the rotating shaft connecting piece, is connected with a coaxial connecting piece.

Preferably, one end of the shaft sleeve body, which is close to the coaxial connecting piece, is connected with a plurality of connecting columns which are uniformly distributed, and each connecting column is arranged on the outer side of the coaxial connecting piece.

Preferably, two symmetrical screw holes A are formed in the outer peripheral side of the rotating shaft connecting piece.

Preferably, two symmetrical screw holes B are formed in the outer peripheral side of the coaxial connecting piece.

Preferably, the shaft sleeve body, the rotating shaft connecting piece and the coaxial connecting piece are all communicated in a penetrating way.

Compared with the prior art, the utility model has the beneficial effects that: the utility model realizes that the rotating shaft connecting piece is dustproof after being connected with an external rotating shaft, and improves the durability of the rotating shaft connecting piece.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a bushing assembly according to the present utility model;

fig. 3 is a schematic view of a dustproof assembly structure of the present utility model.

In the figure: 1. a sleeve assembly; 101. a sleeve body; 102. a rotating shaft connecting piece; 103. a coaxial connector; 2. a screw hole A; 3. a screw hole B; 4. a dust-proof assembly; 401. placing a sleeve; 402. a contact block; 403. a mounting hole; 404. a dust ring; 5. and (5) connecting the columns.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a axle sleeve with dustproof construction, includes axle sleeve subassembly 1, axle sleeve subassembly 1 includes axle sleeve body 101, pivot connecting piece 102 and coaxial coupling piece 103, and the pivot connecting piece 102 outside is provided with dustproof subassembly 4 that two sets of symmetries set up, and dustproof subassembly 4 is including setting up the cover 401 of placing in pivot connecting piece 102 outer end, places the cover 401 outer end and is connected with two symmetrical contact blocks 402, and mounting hole 403 has all been seted up to every contact block 402, places cover 401 inner wall connection and has dust ring 404, and the fillet treatment is done to dust ring 404 outer end.

Specifically, one end of the shaft sleeve body 101 is connected with a rotating shaft connecting piece 102, and one end of the shaft sleeve body 101 far away from the rotating shaft connecting piece 102 is connected with a coaxial connecting piece 103; one end of the shaft sleeve body 101, which is close to the coaxial connecting piece 103, is connected with a plurality of uniformly distributed connecting columns 5, each connecting column 5 is arranged on the outer side of the coaxial connecting piece 103, and the connecting columns 5 are arranged to achieve a positioning effect; two symmetrical screw holes A2 are formed in the periphery of the rotating shaft connecting piece 102, and the rotating shaft connecting piece 102 can be connected with an external rotating shaft through the screw holes A2; two symmetrical screw holes B3 are formed in the outer periphery of the coaxial connecting piece 103, and the coaxial connecting piece 103 can be connected with an external shaft through the screw holes B3; the shaft sleeve body 101, the rotating shaft connecting piece 102 and the coaxial connecting piece 103 are all communicated in a penetrating way.

Working principle: when the rotating shaft connecting piece 102 and an external rotating shaft mounted with the rotating shaft connecting piece 102 are subjected to dust prevention treatment, at the moment, two placing sleeves 401 can be sleeved outside the rotating shaft connecting piece 102, a dust ring 404 is attached to the rotating shaft connecting piece 102, and then the external screw is locked into the mounting hole 403 to finish the mounting of the dust prevention component 4.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A bushing with dust protection, comprising a bushing assembly (1), characterized in that: the shaft sleeve assembly (1) comprises a shaft sleeve body (101), a rotating shaft connecting piece (102) and a coaxial connecting piece (103), two groups of symmetrically arranged dustproof assemblies (4) are arranged outside the rotating shaft connecting piece (102), each dustproof assembly (4) comprises a placing sleeve (401) arranged at the outer end of the rotating shaft connecting piece (102), two symmetrical contact blocks (402) are connected to the outer end of each placing sleeve (401), each contact block (402) is provided with a mounting hole (403), dust rings (404) are connected to the inner wall of each placing sleeve (401), and round corner treatment is carried out at the outer end of each dust ring (404).

2. A bushing with dust protection structure according to claim 1, wherein: one end of the shaft sleeve body (101) is connected with a rotating shaft connecting piece (102), and one end, far away from the rotating shaft connecting piece (102), of the shaft sleeve body (101) is connected with a coaxial connecting piece (103).

3. A bushing with dust protection structure according to claim 1, wherein: one end of the shaft sleeve body (101) close to the coaxial connecting piece (103) is connected with a plurality of evenly distributed connecting columns (5), and each connecting column (5) is arranged on the outer side of the coaxial connecting piece (103).

4. A bushing with dust protection structure according to claim 1, wherein: two symmetrical screw holes A (2) are formed in the peripheral side of the rotating shaft connecting piece (102).

5. A bushing with dust protection structure according to claim 1, wherein: two symmetrical screw holes B (3) are formed in the outer peripheral side of the coaxial connecting piece (103).

6. A bushing with dust protection structure according to claim 1, wherein: the shaft sleeve body (101), the rotating shaft connecting piece (102) and the coaxial connecting piece (103) are all communicated in a penetrating mode.