CN216842666U

CN216842666U - Conductive bearing for electronic device

Info

Publication number: CN216842666U
Application number: CN202220319384.3U
Authority: CN
Inventors: 葛建江; 马朝晖; 王鹏辉; 刘修亮; 曹立园; 徐朱渊
Original assignee: Haining Kove Bearing Co ltd
Current assignee: Haining Kove Bearing Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-06-28
Anticipated expiration: 2032-02-17

Abstract

The utility model provides an electron device is with electrically conductive bearing belongs to bearing technical field. The conductive protection frame comprises a bearing outer ring, a bearing inner ring and rolling balls, wherein the bearing inner ring is arranged in the bearing outer ring, the outer side of the bearing outer ring is provided with a convex annular elastic part, the outer side of the bearing inner ring is provided with an annular groove for rolling balls, a rolling path is formed between the bearing outer ring and the bearing inner ring, two conductive protection frames are slidably arranged in the rolling path, the inner wall of each conductive protection frame is provided with a plurality of arc-shaped grooves, the upper conductive protection frame and the lower conductive protection frame are used for clamping the rolling balls and enabling the rolling balls to be located in the arc-shaped grooves, the rolling paths of the rolling balls are attached to the bearing outer ring, the annular groove of the bearing inner ring is arranged in the rolling path, the outer side of each conductive protection frame is connected with the inner wall of the bearing outer ring in a clamping and embedding mode, and the inner side of each conductive protection frame is abutted against the inner wall of the bearing inner ring. Simple structure effectively prevents that the spin from taking place the ditch partially, prevents that electrically conductive annex department from adhering to the dust, improve equipment life.

Description

Conductive bearing for electronic device

Technical Field

The utility model belongs to the technical field of the bearing, a conductive bearing for electron device is related to.

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 conductive bearing for the semiconductor equipment requires that the bearing has good conductive function, and the current conductive bearing has the following problems: the bearing has the inclined to one side phenomenon of ditch when using, thereby influence the normal use of equipment, traditional conductive bearing does not have corresponding seal structure simultaneously, consequently outside dust foreign matter gets into the inside play of bearing easily, lead to rotating the jamming, influence equipment security performance, traditional inner circle, the structure of outer lane and deep groove ball, in the use, inner circle and outer lane are because the problem of manufacturing accuracy, produce the clearance when cooperating with the deep groove ball easily, and the deep groove ball is also including after using a period of time small wearing and tearing easily, produce the clearance between the outer lane, the production in clearance is very unfavorable for electrically conducting.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided an electron device is with electrically conductive bearing, simple structure effectively prevents the inclined to one side phenomenon of ditch, prevents that electrically conductive annex department from adhering to dust, improve equipment life.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a conductive bearing for electron device, its characterized in that, conductive bearing for electron device include bearing inner race, spin, the bearing inner race sets up in the bearing inner race, the bearing inner race outside has convex annular elasticity portion that is, the inner wall of bearing inner race is equipped with the raceway of a plurality of location spin, open the outside of bearing inner race and have the annular groove that supplies the spin rolling, bearing inner race and bearing inner race between form the raceway, it is equipped with two electrically conductive fender brackets to slide in the raceway, electrically conductive fender bracket be annular copper disc, electrically conductive fender bracket's inner wall is opened has a plurality of arc recess, two electrically conductive fender brackets centre gripping spin from top to bottom and makes and be located the arc recess, the raceway of spin laminating bearing inner race, the annular groove of bearing inner race in, the electrically conductive fender bracket outside is connected with bearing inner race inner wall inlay card, the inner side of the conductive protection frame is abutted against the inner wall of the bearing inner ring.

The utility model discloses a be equipped with the elasticity portion that electrically conductive fender bracket, bearing inner race have, can effectively avoid the spin to take place the ditch partially at the pivoted process, can guarantee machinery uninterrupted duty indirectly, improve work efficiency.

Furthermore, the inner end of the conductive protection frame is contacted with the inner wall of the bearing inner ring through an elastic block, the inner wall of the bearing outer ring is provided with a sliding groove matched with the outer end of the conductive protection frame, and the conductive protection frame is arranged in the sliding groove in a sliding mode.

Furthermore, the section of the elastic part is arc-shaped or semicircular.

Furthermore, the raceway is provided with two sealing rings, and the two sealing rings are respectively positioned on the outer sides of the conductive protection frames.

The utility model discloses a be provided with the sealing washer and can effectively avoid the dust to get into in the bearing and adhere to on electrically conductive fender bracket, improve bearing utility life.

Furthermore, the conductive protection frame and the bearing outer ring are made of beryllium bronze.

Beryllium bronze has high hardness, elastic limit, fatigue limit and wear resistance, and also has good corrosion resistance, thermal conductivity and electrical conductivity, does not generate sparks when impacted, and is widely used as important elastic elements, wear-resistant parts, explosion-proof tools and the like.

Furthermore, the inner wall of the bearing outer ring is provided with a sliding rail matched with the outer end of the sealing ring, and the sealing ring is arranged in the sliding rail in a sliding manner.

Furthermore, conductive grease is filled between the bearing inner ring and the bearing outer ring.

The conductive grease is conductive lubricating grease prepared by refining and blending synthetic base oil, a conductive carbon black thickening agent and a special additive. The lubricity of the contact part can be enhanced, the abrasion can be reduced, and the static electricity can be effectively led out. Good compatibility with metal and no corrosion to metal materials.

Compared with the prior art, the utility model has the advantages that;

the utility model discloses conductive bearing for electronic device, moreover, the steam generator is simple in structure, through being provided with elasticity portion and electrically conductive fender bracket, closely press the spin between bearing inner race and bearing inner race, when effectively avoiding the high-speed operation of bearing, the ditch takes place partially for the spin, can guarantee machinery uninterrupted duty, improve work efficiency, compare in traditional conductive part's of adoption conductive part conductive bearing, the structure is simpler, need not the conductive part of peripheral hardware, and the wear of spin can not appear and lead to inner race and outer lane gap influence electric conductivity's problem, the sealing washer of setting prevents effectively that spin and electrically conductive protection piece surface are stained with the dust, improve equipment life.

Drawings

Fig. 1 is a sectional view of the conductive bearing for an electronic device according to the present invention.

Fig. 2 is a plan view of the electronic protection bracket of the conductive bearing for electronic devices according to the present invention.

Fig. 3 is a schematic structural view of the conductive bearing for electronic devices according to the present invention.

In the figure, 1, a bearing outer ring; 2. a bearing inner race; 3. rolling a ball; 4. an elastic portion; 5. rolling a groove; 6. an annular groove; 7. a conductive fender bracket; 8. an arc-shaped groove; 9. an elastic block; 10. A chute; 11. a seal ring; 12. a slide rail; 13. and (3) conductive grease.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the conductive bearing for the electronic device comprises a bearing outer ring 1, a bearing inner ring 2 and rolling balls 3, wherein the bearing inner ring 2 is arranged in the bearing outer ring 1, the outer side of the bearing outer ring 1 is provided with a convex annular elastic part 4, the inner wall of the bearing outer ring 1 is provided with a plurality of rolling grooves 5 for positioning the rolling balls 3, the outer side of the bearing inner ring 2 is provided with an annular groove 6 for rolling the rolling balls 3, a rolling path is formed between the bearing outer ring 1 and the bearing inner ring 2, two conductive protection frames 7 are arranged in the rolling path in a sliding manner, each conductive protection frame 7 is an annular copper disc, the inner wall of each conductive protection frame 7 is provided with a plurality of arc-shaped grooves 8, the upper conductive protection frame 7 and the lower conductive protection frame 7 clamp the rolling balls 3 and enable the rolling balls 3 to be positioned in the arc-shaped grooves 8, the rolling balls 3 are attached to the rolling grooves 5 of the bearing outer ring 1 and the annular groove 6 of the bearing inner ring 2, the outer side of the conductive protection frame 7 is connected with the inner wall of the bearing outer ring 1 in a clamping and embedding mode, the inner side of the conductive protection frame 7 is abutted against the inner wall of the bearing inner ring 2, and the section of the elastic part 4 is arc-shaped or semicircular.

As shown in fig. 1, the inner end of the conductive protection frame 7 is in contact with the inner wall of the bearing inner ring 2 through an elastic block 9, the inner wall of the bearing outer ring 1 is provided with a sliding groove 10 matched with the outer end of the conductive protection frame 7, the conductive protection frame 7 is arranged in the sliding groove 10 in a sliding manner, the raceway is provided with two sealing rings 11, the two sealing rings 11 are respectively positioned on the outer sides of the conductive protection frame 7, the conductive protection frame 7 and the bearing outer ring 1 are made of beryllium bronze, the inner wall of the bearing outer ring 1 is provided with a sliding rail 12 matched with the outer end of the sealing ring 11, the sealing ring 11 is arranged in the sliding rail 12 in a sliding manner, and conductive grease 13 is filled between the bearing inner ring 2 and the bearing outer ring 1.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a conductive bearing for electron device, a serial communication port, conductive bearing for electron device include bearing inner race (1), bearing inner race (2), spin (3), bearing inner race (2) set up in bearing inner race (1), bearing inner race (1) outside has convex annular elasticity portion (4) that is, the inner wall of bearing inner race (1) is equipped with slot rolling (5) of a plurality of location spin (3), open in the outside of bearing inner race (2) has supply spin (3) rolling annular groove (6), bearing inner race (1) and bearing inner race (2) between form the raceway, it is equipped with two electrically conductive fender brackets (7) to slide in the raceway, electrically conductive fender bracket (7) be annular copper dish, open the inner wall of electrically conductive fender bracket (7) has a plurality of arc recess (8), two electrically conductive fender brackets (7) centre gripping (3) from top to bottom and make spin (3) be located arc recess (8) The conductive protection frame is characterized in that the rolling ball (3) is attached to the inner side of a rolling groove (5) of the outer bearing ring (1) and the inner side of an annular groove (6) of the inner bearing ring (2), the outer side of the conductive protection frame (7) is connected with the inner wall of the outer bearing ring (1) in an embedded mode, and the inner side of the conductive protection frame (7) is abutted to the inner wall of the inner bearing ring (2).

2. The conductive bearing for the electronic device as claimed in claim 1, wherein the inner end of the conductive protection frame (7) is contacted with the inner wall of the bearing inner ring (2) through an elastic block (9), the inner wall of the bearing outer ring (1) is provided with a sliding groove (10) matched with the outer end of the conductive protection frame (7), and the conductive protection frame (7) is slidably arranged in the sliding groove (10).

3. The conductive bearing for electronic devices as claimed in claim 2, wherein the cross-section of the elastic portion (4) is arc-shaped or semicircular.

4. The conductive bearing for electronic devices as claimed in claim 3, wherein said raceway is provided with two sealing rings (11), and said two sealing rings (11) are respectively located outside said conductive protection frame (7).

5. The conductive bearing for electronic devices as claimed in claim 4, wherein the conductive protective frame (7) and the bearing outer ring (1) are beryllium bronze.

6. The conductive bearing for electronic devices as claimed in claim 5, wherein the inner wall of the outer ring (1) of the bearing is provided with a sliding rail (12) matching with the outer end of the sealing ring (11), and the sealing ring (11) is slidably arranged in the sliding rail (12).

7. The conductive bearing for electronic devices as claimed in claim 6, wherein the conductive grease (13) is filled between the inner bearing ring (2) and the outer bearing ring (1).