CN220980138U

CN220980138U - Dust-proof cover for motorcycle bearing

Info

Publication number: CN220980138U
Application number: CN202323195074.9U
Authority: CN
Inventors: 黄东洋; 雷保玉; 邓桂苹; 邓宏波
Original assignee: Luoshan County Guangxin Sports Goods Co ltd
Current assignee: Luoshan County Guangxin Sports Goods Co ltd
Priority date: 2023-11-27
Filing date: 2023-11-27
Publication date: 2024-05-17
Anticipated expiration: 2033-11-27

Abstract

The utility model relates to the technical field of motorcycle products, in particular to a dust cover of a motorcycle bearing, which comprises a rotating shaft, wherein the rotating shaft is rotatably connected with the bearing, the outer end of the rotating shaft is sleeved with the dust cover, a flange plate is outwards formed on the back surface of the dust cover, the flange plate is positioned between an inner ring and an outer ring of the bearing, a sealing sleeve is arranged in front of the dust cover and sleeved outside the rotating shaft, and a plurality of sealing platforms are outwards formed on the inner wall of the sealing sleeve. The utility model has the advantages that: the anti-dust device is sleeved on the rotating shaft, a flange plate is formed on the back surface of the anti-dust sleeve in a protruding mode, and is clamped between the inner ring and the outer ring of the bearing on the rotating shaft and used for fixing and sealing the bearing, a sealing sleeve is arranged in front of the anti-dust sleeve, is soft in material and can be sleeved on the rotating shaft with different sizes, a plurality of sealing platforms are formed on the inner wall of the sealing sleeve in a protruding mode and are in contact with the rotating shaft, sealing performance between the sealing platforms can be improved, impurities such as dust are prevented from entering, and the sealing length of the sealing platforms to the rotating shaft is multiple.

Description

Dust-proof cover for motorcycle bearing

Technical Field

The utility model relates to the technical field of motorcycle products, in particular to a dust cover for a bearing of a motorcycle.

Background

When the motorcycle normally runs, the bearing dustproof oil seal rotates along with the wheels and the shaft sleeve block is fixed, the dustproof oil seal is worn by the shaft sleeve block for a long time, so that the gap between the dustproof oil seal and the shaft sleeve block is increased, a way is provided for invasion of dust and sand, and the front and rear bearings of the motorcycle are worn due to invasion of dust and sand, so that the service life of the bearings is not long.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provides a dust cover for a bearing of a motorcycle.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a motorcycle bearing dirt proof boot, includes the pivot, rotates on it and is connected with the bearing, and the outer pot head has the dirt proof boot, the back evagination of dirt proof boot is formed with the flange board, the flange board is located between the inner circle and the outer lane of bearing, the front of dirt proof boot is provided with the seal cover, and its cover is in the outside of pivot, the inner wall evagination of seal cover is formed with a plurality of sealing platforms, the inside inboard of dirt proof boot inside all is provided with a plurality of circumference array's sealing washer, its with the laminating of the surface of bearing inner circle.

Optionally, an assembling groove is formed in the dustproof cover, close to the back, and the sealing sheets are located in the assembling groove.

Optionally, the sealing sheets are of zigzag structures, and are fan-shaped integrally, and the sealing sheets are round.

Optionally, the outer surface of the flange plate is attached to the inner surface of the bearing outer ring, and is not in contact with the sealing ring in the bearing at all.

Optionally, the outside of a plurality of sealing platform is the cambered surface, and it is with the laminating of the surface of pivot.

The utility model has the following advantages:

This motorcycle bearing dirt proof boot, its cover is in the pivot, be formed with the flange board in the back evagination of dirt proof boot, between the inner and outer lane of the epaxial bearing of its card income, be used for fixing and seal the bearing, be provided with the seal cover in the front of dirt proof boot, its material is softer, can overlap in the pivot of equidimension, wherein, the inner wall evagination at the seal cover is formed with a plurality of seal tables, it contacts with the pivot, can improve the leakproofness between the two, avoid impurity such as dust to get into, make its sealed length to the pivot multiple, set up the equipment groove in the inside inboard of dirt proof boot, a plurality of Z seal pieces of dress in it, its overall structure is fan-shaped, a plurality of seal pieces can enclose into circularly, it can carry out to the sealing washer between the inner and outer lane, sealed, can play the effect of secondary seal, improve the sealed effect of dirt proof boot, through changing the seal piece of equidimension for the dirt proof boot can be applicable in pivot and the bearing of equidimension, the practicality has been increased.

Drawings

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

FIG. 2 is a schematic cross-sectional view of FIG. 1 in accordance with the present utility model;

FIG. 3 is a schematic view showing a combined structure of a dust cover and a sealing plate according to the present utility model;

FIG. 4 is a schematic view of the internal structure of FIG. 3 according to the present utility model;

FIG. 5 is a schematic view of the overall structure of the dust boot of the present utility model;

FIG. 6 is a schematic view of the overall structure of the sealing plate in the present utility model.

In the figure: the device comprises a 1-rotating shaft, a 2-bearing, a 3-dust cover, a 3 a-flange plate, a 3 b-sealing sleeve, a 3 c-sealing table, 4-sealing sheets and a 5-assembling groove.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.

As shown in fig. 1 to 6, a dust cover for a motorcycle bearing comprises a rotating shaft 1, wherein a bearing 2 is rotatably connected to the rotating shaft, a dust cover 3 is sleeved at the outer end of the dust cover 3, a flange plate 3a is formed on the back surface of the dust cover 3 in a protruding mode, the flange plate 3a is located between the inner ring and the outer ring of the bearing 2, a sealing sleeve 3b is arranged in front of the dust cover 3 and sleeved outside the rotating shaft 1, a plurality of sealing platforms 3c are formed on the inner wall of the sealing sleeve 3b in a protruding mode, and a plurality of sealing sheets 4 in a circumferential array are arranged on the inner side of the dust cover 3 and are attached to the outer surface of the inner ring of the bearing 2.

As an alternative technical scheme of the utility model, the inner part of the dustproof cover 3 close to the back is provided with the assembly groove 5, and the sealing sheets 4 are positioned in the assembly groove 5, so that the sealing sheets 4 are convenient to install, wherein the size of the sealing sheets 4 is slightly larger than that of the assembly groove 5, so that the matching between the sealing sheets 4 is compact, and the sealing sheets 4 are prevented from shaking in position during use.

As an alternative technical scheme of the utility model, the plurality of sealing sheets 4 are of a Z-shaped structure and are in a sector shape as a whole, the plurality of sealing sheets 4 are enclosed into a circle, and the arc-shaped sealing sheets 4 are convenient to form the circle, so that the sealing rings on the bearing 2 are protected in all directions, dust and sundries are prevented from entering the retainer and the ball of the bearing 2, and the service life of the bearing 2 is prevented from being influenced.

As an alternative technical scheme of the utility model, the outer surface of the flange plate 3a is attached to the inner surface of the outer ring of the bearing 2, and is not in contact with the sealing ring in the bearing 2, and the size of the flange plate 3a can be processed according to the size of the outer ring of the bearing 2, so that the tightness between the flange plate and the sealing ring is good.

As an alternative technical scheme of the utility model, the outer parts of the sealing platforms 3c are cambered surfaces which are attached to the outer surface of the rotating shaft 1, and the cambered surfaces are in a structure which can be contacted with the outer surface of the rotating shaft 1 from multiple positions and multiple angles when the sealing sleeve 3b is deformed, so that the applicability is high and the sealing performance is high.

In summary, the features, assembly modes, use processes and realized functions of each component in the utility model are as follows: the novel anti-dust sealing device is sleeved on a rotating shaft 1, a flange plate 3a is formed on the back of a dust cover 3 in a protruding mode, a plurality of Z-shaped sealing sheets 4 are clamped in the inner side of the dust cover 3 and used for fixing and sealing the bearing 2, a sealing sleeve 3b is arranged in front of the dust cover 3 and made of soft materials and can be sleeved on the rotating shaft 1 with different sizes, a plurality of sealing platforms 3c are formed on the inner wall of the sealing sleeve 3b in a protruding mode and are in contact with the rotating shaft 1, sealing performance between the sealing platforms can be improved, dust and other impurities are prevented from entering, the sealing length of the dust cover to the rotating shaft 1 is multiple, an assembly groove 5 is formed in the inner side of the dust cover 3, a plurality of Z-shaped sealing sheets 4 are clamped in the dust cover, the sealing plates 4 are of a fan-shaped overall structure, sealing rings between the inner and outer rings can be sealed, a secondary sealing effect can be achieved, the sealing effect of the dust cover 3 is improved, and the dust cover 3 can be applicable to the rotating shaft 1 and the bearing 2 with different sizes through replacement of the sealing sheets 4 with different sizes, and practicability is improved.

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. The utility model provides a motorcycle bearing dirt proof boot which characterized in that: including pivot (1), it is connected with bearing (2) to rotate on it, and the outer pot head has dirt proof boot (3), the back evagination of dirt proof boot (3) is formed with flange board (3 a), flange board (3 a) are located between the inner circle and the outer lane of bearing (2), the front of dirt proof boot (3) is provided with seal cover (3 b), and its cover is in the outside of pivot (1), the inner wall evagination of seal cover (3 b) is formed with a plurality of sealing platforms (3 c), the inside inboard of dirt proof boot (3) all is provided with sealing washer (4) of a plurality of circumference arrays, it with the laminating of the surface of bearing (2) inner circle.

2. A motorcycle bearing dust cover as set forth in claim 1, wherein: the dustproof cover (3) is close to the inside of the back and is provided with an assembly groove (5), and a plurality of sealing sheets (4) are all positioned in the assembly groove (5).

3. A motorcycle bearing dust cover as set forth in claim 1, wherein: the sealing sheets (4) are of Z-shaped structures and are integrally fan-shaped, and the sealing sheets (4) are round.

4. A motorcycle bearing dust cover as set forth in claim 1, wherein: the outer surface of the flange plate (3 a) is attached to the inner surface of the outer ring of the bearing (2), and is not in contact with the sealing ring in the bearing (2) at all.

5. A motorcycle bearing dust cover as set forth in claim 1, wherein: the outer parts of the sealing tables (3 c) are cambered surfaces, and the sealing tables are attached to the outer surface of the rotating shaft (1).