CN207349274U

CN207349274U - Retainer sets the bearing of dust cover

Info

Publication number: CN207349274U
Application number: CN201721372260.7U
Authority: CN
Inventors: 孟中良
Original assignee: WUXI MINLIAN AUTOMOBILE PARTS Co Ltd
Current assignee: WUXI MINLIAN AUTOMOBILE PARTS Co Ltd
Priority date: 2017-10-24
Filing date: 2017-10-24
Publication date: 2018-05-11
Anticipated expiration: 2027-10-24

Abstract

The utility model discloses the bearing that a kind of retainer sets dust cover,Including bearing outer ring,Bearing inner race,Ball and retainer,The bearing outer ring is arranged on the outside of the bearing inner race,Some balls are equipped between the bearing outer ring and the bearing inner race,The retainer is equipped with the outside of some balls,The ball is fixed between the bearing outer ring and the bearing inner race by the retainer,Formed and isolated by the retainer between the adjacent ball,The both sides of the retainer are equipped with two pieces of dust covers,Two pieces of dust covers are symmetrical set,The dust cover annular is arranged on the both sides of the retainer,The dust cover is threadedly coupled with the retainer,One end of the dust cover is set close to the inner side end of the bearing outer ring,The other end of the dust cover is set close to the end face outside of the bearing inner race.By the above-mentioned means, the utility model can make the dust of Bearing outer be not easily accessible Bearing inner.

Description

Retainer sets the bearing of dust cover

Technical field

Field of bearings is the utility model is related to, the bearing of dust cover is set more particularly to a kind of retainer.

Background technology

Bearing is that component that is fixed and reducing load friction coefficient is played in mechanical transmission course.It may also be said that when other Parts when producing relative motion each other on axis, for reducing friction coefficient and the holding shaft center in power transmission process Fixed parts.Bearing is a kind of very important parts in contemporary mechanical equipment.Its major function is support machinery rotation Swivel, to reduce mechanical load friction coefficient of the equipment in transmission process, bearing easily have when running at high speed dust into Bearing inner is gone to, the running speed of bearing can be influenced to a certain extent.

Utility model content

The utility model can make axis mainly solving the technical problems that provide the bearing that a kind of retainer sets dust cover The dust for holding outside is not easily accessible Bearing inner.

In order to solve the above technical problems, the technical solution that the utility model uses is：A kind of retainer is provided to set The bearing of dust cover, including bearing outer ring, bearing inner race, ball and retainer, the bearing outer ring are arranged on the bearing inner race Outside, the bearing outer ring and the bearing inner race are coaxially disposed, are rolled between the bearing outer ring and the bearing inner race Equipped with some balls, half parcel is equipped with the retainer on the outside of some balls, and the ball passes through the retainer Be fixed between the bearing outer ring and the bearing inner race, connected between the adjacent ball by the retainer to be formed every From the both sides of the retainer are equipped with two pieces of dust covers, and two pieces of dust covers are symmetrical set, and the dust cover annular is set Put and offer some threaded holes at the both sides of the retainer, the both ends of the retainer, some screws are imported with threaded hole, The dust cover is connected with the retainer by some screw threads, and one end of the dust cover is close to the bearing outer ring Inner side end is set, and the other end of the dust cover is set close to the end face outside of the bearing inner race, and the dust cover covers Closing is formed between the bearing outer ring and the bearing inner race.

In one preferred embodiment of the utility model, the inner side of the bearing outer ring is equipped with the first raceway, the bearing The outside of inner ring is equipped with the second raceway, and the ball, which rolls, to be arranged between the first raceway and the second raceway.

In one preferred embodiment of the utility model, the threaded hole at the retainer both ends is uniformly distributed setting.

In one preferred embodiment of the utility model, the dust cover uses rubber material.

The beneficial effects of the utility model are：The utility model is by setting two pieces of dust covers to stop the ash of Bearing outer Dirt, prevents the dust of Bearing outer from entering Bearing inner and influencing running.

Brief description of the drawings

It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the utility model Example is applied, for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Other attached drawings are obtained, wherein：

Fig. 1 is the structure diagram for one preferred embodiment of bearing that the utility model retainer sets dust cover；

Fig. 2 is the top view for the bearing that the utility model retainer sets dust cover；

The mark of each component is as follows in attached drawing：1st, bearing outer ring；2nd, bearing inner race；3rd, ball；4th, retainer；5th, it is dust-proof Cover.

Embodiment

Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described Embodiment is only the part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model Example, all other embodiment that those of ordinary skill in the art are obtained without making creative work, belongs to The scope of the utility model protection.

Please refer to Fig.1 and Fig. 2, the utility model embodiment include：

A kind of retainer sets the bearing of dust cover, including bearing outer ring 1, bearing inner race 2, ball 3 and retainer 4, its It is characterized in that, the bearing outer ring 1 is arranged on the outside of the bearing inner race 2, and the bearing outer ring 1 and the bearing inner race 2 are same Axis is set, and is rolled between the bearing outer ring 1 and the bearing inner race 2 and is equipped with some balls 3, outside some balls 3 Side half, which is wrapped up, is equipped with the retainer 4, and the ball 3 is fixed on the bearing outer ring 1 and the bearing by the retainer 4 Connected between inner ring 2, between the adjacent ball 3 by the retainer 4 and form isolation, the both sides of the retainer 4 are equipped with Two pieces of dust covers 5, two pieces of dust covers 5 are symmetrical set, and 5 annular of dust cover is arranged on the two of the retainer 4 Side, the both ends of the retainer 5 offer some threaded holes, are imported with some screws in threaded hole, the dust cover 5 with it is described Retainer 4 is connected by some screw threads, and one end of the dust cover 5 is set close to the inner side end of the bearing outer ring 1, The other end of the dust cover 5 is set close to the end face outside of the bearing inner race 2, and the dust cover 5 is covered in the bearing Closing is formed between outer ring 1 and the bearing inner race 2.

In addition, the inner side of the bearing outer ring 1 is equipped with the first raceway, the outside of the bearing inner race 2 is equipped with the second raceway, The ball 3, which rolls, to be arranged between the first raceway and the second raceway.

In addition, the threaded hole at 4 both ends of retainer is uniformly distributed setting.

In addition, the dust cover 5 uses rubber material.

The operation principle of the utility model is bearing outer ring 1 in the outside of bearing inner race 2, bearing outer ring 1 and bearing Circle 2 is coaxially disposed, and is rolled between bearing outer ring 1 and bearing inner race 2 and is equipped with some balls 3, and the inner side of bearing outer ring 1 is equipped with first Raceway, the outside of bearing inner race 2 are equipped with the second raceway, and ball 3, which rolls, to be arranged between the first raceway and the second raceway, some balls 3 outside, half parcel is equipped with retainer 4, and ball 3 is fixed between bearing outer ring 1 and bearing inner race 2 by retainer 4, adjacent rolling Connected between pearl 3 by retainer 4 and form isolation, the both sides of retainer 4 are equipped with two pieces of dust covers 5, and dust cover 5 uses rubber material Matter, two pieces of dust covers 5 are symmetrical set, and 5 annular of dust cover is arranged on the both sides of retainer 4, and the both ends of retainer 5 offer Some threaded holes, the threaded hole at 4 both ends of retainer are uniformly distributed setting, some screws are imported with threaded hole, dust cover 5 is with protecting Hold frame 4 to connect by some screw threads, cleared up easy to which dust cover 5 is disassembled, one end of dust cover 5 is close to bearing The inner side end of outer ring 1 is set, and the other end of dust cover 5 is set close to the end face outside of bearing inner race 2, dust cover 5 cover in Closing is formed between bearing outer ring 1 and bearing inner race 2, the dust into Bearing inner is reduced, reduces the accident that is damaged Possibility.

The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every The equivalent structure or equivalent flow shift made using the utility model description, is directly or indirectly used in other phases The technical field of pass, is equally included in the patent within the scope of the utility model.

Claims

1. a kind of retainer sets the bearing of dust cover, including bearing outer ring, bearing inner race, ball and retainer, its feature to exist In the bearing outer ring is arranged on the outside of the bearing inner race, and the bearing outer ring and the bearing inner race are coaxially disposed, described Rolled between bearing outer ring and the bearing inner race and be equipped with some balls, half parcel is equipped with described on the outside of some balls Retainer, the ball are fixed between the bearing outer ring and the bearing inner race by the retainer, the adjacent rolling Connect to form isolation by the retainer between pearl, the both sides of the retainer are equipped with two pieces of dust covers, and two pieces described dust-proof Cover is symmetrical set, and the dust cover annular is arranged on the both sides of the retainer, if the both ends of the retainer offer Dry threaded hole, is imported with some screws in threaded hole, the dust cover is connected with the retainer by some screw threads, institute The one end for stating dust cover is set close to the inner side end of the bearing outer ring, and the other end of the dust cover is in the bearing The end face outside of circle is set, and the dust cover is covered forms closing between the bearing outer ring and the bearing inner race.

2. retainer according to claim 1 sets the bearing of dust cover, it is characterised in that the inner side of the bearing outer ring Equipped with the first raceway, the outside of the bearing inner race is equipped with the second raceway, and the ball is rolled arranged on the first raceway and the second rolling Between road.

3. retainer according to claim 1 sets the bearing of dust cover, it is characterised in that the spiral shell at the retainer both ends Pit is uniformly distributed setting.

4. retainer according to claim 1 sets the bearing of dust cover, it is characterised in that the dust cover uses rubber Material.