CN212377126U

CN212377126U - Bearing dust cover

Info

Publication number: CN212377126U
Application number: CN202020940332.9U
Authority: CN
Inventors: 黄炜育
Original assignee: Xinchang Chuangfeng Machinery Co ltd
Current assignee: Xinchang Chuangfeng Machinery Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-01-19
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a bearing dust cap, the dust cap body that sets up including the annular, be equipped with the turn-up on the outer periphery of dust cap body, the turn-up comprises a plurality of pressure reducing sides, forms the relief groove between two adjacent pressure reducing sides, be equipped with the limit of gluing on the inner circumference of dust cap body, it is protruding to be equipped with the arc on the dust cap body, be equipped with the strengthening rib in the arc arch. The utility model has the advantages that: through the arrangement of the rubber edges, the sealing device has a good sealing effect, and can effectively prevent impurities from entering the inside of the bearing; the pressure reduction groove can prevent the dust cover from being damaged due to over-tight fit when the dust cover is installed; through the setting of arc arch and strengthening rib, can prevent that work from producing thermal energy and warping, increase of service life.

Description

Bearing dust cover

Technical Field

The utility model belongs to the technical field of the bearing accessory, especially, relate to a bearing shield.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision. The existing bearing is mostly provided with the dustproof covers at two ends of the bearing, so that dust or water and other impurities can be prevented from entering the bearing, the bearing can be prevented from rusting, and the service life of the bearing is prolonged invisibly. The dust cover of present bearing generally all has the gap with the place of bearing contact, and sealing performance is not good, and inside external impurity, moisture etc. easily got into the bearing, influenced the precision and the performance of bearing, and then led to the life of bearing and reduced, when the installation was done comparatively difficultly moreover, scrapped easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the technical problem who exists to the aforesaid, provide a bearing shield.

The purpose of the utility model is realized like this: the utility model provides a bearing dust cap, includes the dust cap body that the annular set up, be equipped with the turn-up on the outer periphery of dust cap body, the turn-up comprises a plurality of pressure reducing side, forms the relief groove between two adjacent pressure reducing side, be equipped with the hem on the inner circumference of dust cap body, it is protruding to be equipped with the arc on the dust cap body, be equipped with the strengthening rib in the arc arch.

Through adopting above-mentioned technical scheme, be equipped with the turn-up on the outer periphery of shield body, the turn-up comprises a plurality of pressure reducing sides, and pressure reducing side ring shape evenly distributed forms the relief groove between two adjacent pressure reducing sides, and the relief groove can prevent effectively that the shield from damaging because the cooperation is excessive when installing the shield, improves the installation power of product, reduces the loss, has improved economic benefits. Be equipped with on the inner circumference face of shield body and glue the limit and play the effect of buffering and regulation, can improve the production efficiency and the life of bearing, be equipped with the arc arch on the shield body, the arc arch plays the effect of buffering, can prevent that the shield from producing the thermal energy at the during operation and causing the deformation, is equipped with the strengthening rib in the arc arch, and the strengthening rib can improve the structural strength of shield, has prolonged the life of shield.

The utility model discloses further set up to: the edge of the pressure reducing edge is provided with an arc hook which is turned inwards.

Through adopting above-mentioned technical scheme, the edge on every decompression edge is equipped with the arc crotch of turning over inwards, and the shield can be convenient for lift off to the arc crotch, and it is simple convenient to dismantle, saves time and energy.

The utility model discloses further set up to: the glue edge comprises a glue edge body and a glue edge extending portion, and a buffer groove is formed in the glue edge extending portion.

Through adopting above-mentioned technical scheme, can closely agree with the catching groove of bearing inner race through gluing the limit body with gluey limit extension, play sealed effect to the bearing, prevent that external impurity from getting into inside the bearing, causing the inside damage of bearing. The cross-section of buffering recess is the arc, can play the effect of buffering regulation to the size of power that rises when shield installation.

The utility model discloses further set up to: the rubber edge is made of rubber.

Through adopting above-mentioned technical scheme, rubber has elasticity, and when the installation had the error, the rubber edge's that rubber made elasticity stretches and buffering recess can give offset, improves the installation accuracy.

The utility model discloses further set up to: the dustproof cover body is made of stainless steel, and an annular groove is formed in the dustproof cover body.

Through adopting above-mentioned technical scheme, the stainless steel has corrosion resistance, heat resistance, difficult rust, can prolong the life of shield, and the annular groove plays the effect of buffering.

The utility model has the advantages that:

1. through the setting of gluing the limit, have good sealed effect, can effectively prevent that impurity from getting into inside the bearing.

2. The pressure reduction groove can prevent the dust cover from being damaged due to over-tight fit when the dust cover is installed;

3. through the setting of arc arch and strengthening rib, can prevent that work from producing thermal energy and warping, increase of service life.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the present invention.

The reference numbers in the figures are: 1. a dust cap body; 2. curling; 21. reducing the blank pressing; 22. a pressure reducing tank; 23. an arc-shaped hook; 3. gluing edges; 31. a rubber edge body; 32. a glue edge extension part; 33. a buffer groove; 4. an arc-shaped bulge; 5. reinforcing ribs; 6. an annular groove.

Detailed Description

In order to make the technical solutions in the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings:

the utility model provides a bearing dust cap, includes the dust cap body 1 that the annular set up, is equipped with turn-up 2 on the outer periphery of dust cap body 1, and turn-up 2 comprises a plurality of pressure reducing side 21, forms relief groove 22 between two adjacent pressure reducing side 21, is equipped with on the inner peripheral face of dust cap body 1 and glues limit 3, is equipped with arc arch 4 on the dust cap body 1, is equipped with strengthening rib 5 on the arc arch 4. Be equipped with turn-up 2 on the outer periphery of shield body 1, turn-up 2 comprises a plurality of blank reducing sides 21, and blank reducing sides 21 annular evenly distributed forms relief groove 22 between two adjacent blank reducing sides 21, and relief groove 22 can effectively prevent to make the shield damage because the cooperation is excessive when installing the shield, improves the installation power of product, reduces the loss, has improved economic benefits. Be equipped with on the inner circumferential surface of shield body 1 and glue 3 and play the effect of buffering and regulation, can improve the production efficiency and the life of bearing, be equipped with arc arch 4 on the shield body 1, arc arch 4 plays the effect of buffering, can prevent that the shield from producing the thermal energy at the during operation and causing the deformation, is equipped with strengthening rib 5 on the arc arch 4, and strengthening rib 5 can improve the structural strength of shield, has prolonged the life of shield.

Preferably, the edge of the pressure reducing side 21 is provided with an arc hook 23 which is turned inwards. The edge on every pressure reducing side 21 is provided with an arc-shaped hook 23 which is turned inwards, the dust cover can be conveniently detached through the arc-shaped hook 23, the detachment is simple and convenient, and the time and the energy are saved.

Preferably, the rubber edge 3 comprises a rubber edge body 31 and a rubber edge extension part 32, and the rubber edge extension part 32 is provided with a buffer groove 33. Through gluing 3 bodies on limit and gluing limit extension 32 can closely agree with the catching groove of bearing inner race, play the sealed effect to the bearing, prevent that external impurity from getting into inside the bearing, cause the inside damage of bearing. The cross section of the buffer groove 33 is arc-shaped, so that the effect of buffer adjustment on the expansion force can be achieved when the dust cover is installed.

Preferably, the rubber edge 3 is made of rubber. The rubber has elasticity, and when there is the error in installation, the elastic stretch of the rubber edge 3 made of rubber and the buffering groove 33 can be offset, and the installation accuracy is improved.

Optimally, the dustproof cover body 1 is made of stainless steel, and an annular groove 6 is formed in the dustproof cover body. The stainless steel has corrosion resistance and heat resistance, is not easy to rust, can prolong the service life of the dustproof cover, and the annular groove 6 plays a role in buffering.

The above embodiments are only preferred embodiments of the present invention, not all embodiments, and other embodiments obtained based on the above embodiments by those skilled in the art without any creative work shall fall within the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a bearing shield, includes shield body (1) that the annular set up, its characterized in that: be equipped with turn-up (2) on the outer periphery of shield body (1), turn-up (2) comprise a plurality of blank reducing sides (21), form between two adjacent blank reducing sides (21) relief groove (22), be equipped with on the inner circumference of shield body (1) and glue limit (3), be equipped with arc arch (4) on shield body (1), be equipped with strengthening rib (5) on arc arch (4).

2. The dust cover for a bearing of claim 1, wherein: the edge of the pressure reducing side (21) is provided with an arc hook (23) which is turned inwards.

3. The dust cover for a bearing of claim 1, wherein: the glue edge (3) comprises a glue edge body (31) and a glue edge extending part (32), and a buffer groove (33) is formed in the glue edge extending part (32).

4. A bearing dust cap according to claim 3, wherein: the rubber edge (3) is made of rubber.

5. The dust cover for a bearing of claim 1, wherein: the dustproof cover is characterized in that the dustproof cover body (1) is made of stainless steel, and an annular groove (6) is formed in the dustproof cover body.