CN219692023U - Ball bearing with retainer ring - Google Patents

Abstract

The utility model provides a ball bearing with a retainer ring, which comprises a bearing body, wherein the front side and the rear side of the inside of the bearing body are respectively provided with a retainer ring, the opposite sides of the two retainer rings are provided with a left fixing strip and a right fixing strip, the upper side and the lower side of the two fixing strips are provided with arc strips, the two ends of each arc strip are respectively connected with the two fixing strips, and an extrusion piece for pushing the arc strips to move is arranged inside each fixing strip; the opposite sides of the two retainer rings are connected with adsorption ring strips, an air pressure adsorption piece is arranged in each adsorption ring strip, and the adsorption ring strips are connected with the bearing body through the air pressure adsorption piece. The utility model discloses the fixed of retainer ring avoids external dust to enter into inside the bearing body to this retainer ring's mounting means only needs simple operating procedure, and installation and dismantlement are swift convenient, also need not to improve the bearing body simultaneously, and this retainer ring also can be installed to the bearing that has produced on the market promptly, and the suitability is stronger, more has practical meaning.

Description

Ball bearing with retainer ring

Technical Field

The utility model mainly relates to the technical field of bearings, in particular to a ball bearing with a retainer ring.

Background

Rolling bearings are a precision mechanical element that changes sliding friction between an operating shaft and a shaft seat into rolling friction, thereby reducing friction losses. The rolling bearing generally consists of an inner ring, an outer ring, rolling bodies and a retainer, wherein the inner ring is matched with the shaft and rotates together with the shaft; the outer ring is matched with the bearing seat to play a supporting role; the rolling bodies are uniformly distributed between the inner ring and the outer ring by means of the retainer, and the shape, the size and the number of the rolling bodies directly influence the service performance and the service life of the rolling bearing; the retainer can uniformly distribute the rolling bodies, prevent the rolling bodies from falling off, and guide the rolling bodies to rotate for lubrication.

The ball bearing has many advantages, small friction force and high operation precision, but has some defects at the same time, the ball bearing is easy to enter dust in the use process, the internal friction force is increased in the long time, the phenomena of ball abrasion and the like occur, and the service life of the bearing is greatly shortened.

Disclosure of Invention

The technical scheme of the utility model aims at the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and mainly provides the ball bearing with the retainer ring, so that the technical problem that dust is easy to enter the ball bearing in the prior art in the use process, the internal friction force is increased over time, the phenomena of ball abrasion and the like occur, and the service life of the bearing is greatly shortened is solved.

The technical scheme adopted for solving the technical problems is as follows:

the ball bearing with the retainer ring comprises a bearing body, wherein retainer rings are respectively arranged on the front side and the rear side of the interior of the bearing body, a left fixing strip and a right fixing strip are arranged on the opposite sides of the two retainer rings, arc-shaped strips are arranged on the upper side and the lower side of the two fixing strips, two ends of each arc-shaped strip are respectively connected with the two fixing strips, and an extrusion part for pushing the arc-shaped strips to move is arranged in each fixing strip; the two retaining ring rings are connected with the adsorption ring strips on the opposite sides, an air pressure adsorption piece is arranged in each adsorption ring strip, and the adsorption ring strips are connected with the bearing body through the air pressure adsorption piece.

Preferably, the bearing body is composed of an inner ring, an outer ring, rolling bodies and a retainer, the retainer ring is positioned between the inner ring and the outer ring, and the adsorption ring strip is attached to the side wall of the outer ring.

Preferably, the retaining ring is provided with a notch, the fixing strip is arranged in the notch, one side of the fixing strip is hinged with a cover plate, and the cover plate faces the outside of the bearing body.

Preferably, the extrusion piece comprises two sliding blocks sliding in the fixing strip, an extrusion spring is connected between the two sliding blocks, straight rods are connected to one sides of the two sliding blocks opposite to each other, and the arc-shaped strip is arranged on the straight rods.

Preferably, the air pressure adsorption piece comprises two ring grooves formed in one side of the two opposite adsorption ring strips, and a plurality of sucking discs are arranged in the ring grooves.

Compared with the prior art, the utility model has the beneficial effects that:

(1) When the retainer ring is installed on the bearing, the retainer ring is firstly arranged beside the bearing body, then the arc strips are moved by adjusting the extrusion piece, the two arc strips are positioned inside the retainer ring, then the retainer ring is arranged inside the bearing body, namely between the inner ring and the outer ring, and the extrusion piece pushes the two arc strips to expand outwards, so that the two arc strips are tightly abutted against the inner wall of the outer ring of the bearing body, the retainer ring is fixed, external dust can be prevented from entering the inside of the bearing body through the retainer ring, the friction force inside the bearing body is increased, the phenomena of ball abrasion and the like occur, in addition, the installation mode of the retainer ring only needs simple operation steps, the installation and the disassembly are rapid and convenient, the bearing body is not required to be improved, namely the retainer ring can be installed on the bearing produced on the market, the suitability is stronger, and the bearing has practical significance;

(2) Adopt the atmospheric pressure to absorb the accessory, when the retaining ring is put into the bearing body inside, adsorb ring strip and outer loop lateral wall laminating, at this moment, will adsorb ring strip and bearing body connection through the atmospheric pressure to increase the steadiness of retaining ring.

The utility model will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic view of the structure of a bearing body (left) with a retainer ring and a bearing body (right) without a retainer ring;

FIG. 2 is a schematic perspective view of a retainer ring according to the present utility model;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2;

FIG. 4 is a schematic view of the inner side structure of the retainer ring of the present utility model.

In the figure: 1. a bearing body; 11. an inner ring; 12. an outer ring; 13. a rolling element; 14. a retainer; 2. a retainer ring; 21. a fixing strip; 22. an arc-shaped strip; 23. a cover plate; 24. a slide block; 25. extruding a spring; 26. a straight rod; 3. adsorbing the ring strips; 31. a ring groove; 32. and a sucking disc.

Detailed Description

In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

Referring to fig. 1 and 2, the present utility model provides a technical solution: a ball bearing with a retainer ring comprises a bearing body 1, the bearing body 1 being formed by an inner ring 11, an outer ring 12, rolling elements 13 and a cage 14. The bearing is characterized in that the front side and the rear side of the inside of the bearing body 1 are respectively provided with a retainer ring 2, two opposite sides of the retainer ring 2 are respectively provided with a left fixed strip 21 and a right fixed strip 21, the upper side and the lower side of each fixed strip 21 are respectively provided with an arc-shaped strip 22, two ends of each arc-shaped strip 22 are respectively connected with the two fixed strips 21, an extrusion part for pushing the arc-shaped strips 22 to move is arranged in each fixed strip 21, and the retainer ring 2 is positioned between the inner ring 11 and the outer ring 12. When installing the retainer ring 2, directly arrange the retainer ring 2 in the side of bearing body 1, then through adjusting the extrusion piece, make arc strip 22 remove, two arc strips 22 are located inside retainer ring 2, then put into bearing body 1 inside with retainer ring 2, namely between inner ring 11 and the outer loop 12, the extrusion piece promotes two arc strips 22 outwards to expand, let two arc strips 22 tightly support on bearing body's outer loop 12 inner wall, thereby realize retainer ring 2's fixed, through retainer ring 2, can avoid external dust to enter into bearing body 1 inside, make bearing body 1 internal friction force grow, the phenomenon such as ball wearing and tearing appear, and this retainer ring 2's mounting means need not to improve bearing body 1, this retainer ring 2 also can be installed to the bearing that has produced on the market promptly, the suitability is stronger, more practical meaning.

Referring to fig. 1-4, the retainer ring 2 is provided with a notch, the fixing strip 21 is installed in the notch, one side of the fixing strip 21 is hinged with a cover plate 23, and the cover plate 23 faces the outside of the bearing body 1. The extrusion piece comprises two sliding blocks 24 sliding in the fixing strip 21, an extrusion spring 25 is connected between the two sliding blocks 24, a straight rod 26 is connected to one side of the two sliding blocks 24 opposite to each other, and the arc-shaped strip 22 is installed on the straight rod 26. When the retainer ring 2 is installed, only the cover plate 23 is required to be opened, then the two sliding blocks 24 are pulled to enable the extrusion springs 25 to shrink, after the retainer ring 2 is placed in the bearing body 1, the two sliding blocks 24 are loosened to enable the extrusion springs 25 to reset, and the arc-shaped strips 22 can be automatically pushed to expand outwards.

Referring to fig. 1-3, two opposite sides of the retainer ring 2 are connected with adsorption ring strips 3, each adsorption ring strip 3 is provided with an air pressure adsorption part, the adsorption ring strips 3 are connected with the bearing body 1 through the air pressure adsorption parts, and the adsorption ring strips 3 are attached to the side walls of the outer ring 12. When the retainer ring 2 is placed in the bearing body 1, the side walls of the adsorption ring strip 3 and the outer ring 12 are attached, and at the moment, the adsorption ring strip 3 and the bearing body 1 are connected through the air pressure adsorption piece, so that the stability of the retainer ring 2 is improved. Since the bearing body 1 is required to be polished on its surface during production, the surface of the side wall of the outer ring 12 is smooth and suitable for adsorption.

Referring to fig. 4, the air pressure absorbing member includes two ring grooves 31 formed on opposite sides of the absorbing ring strips 3, a plurality of suction cups 32 are mounted in the ring grooves 31, the suction cups 32 are also close to the side walls of the outer ring 12 in the process of approaching the side walls of the absorbing ring strips 3 and the outer ring 12, and when the absorbing ring strips 3 are tightly pressed on the outer ring 12, the suction cups 32 are also absorbed on the outer ring 12.

The specific operation mode of the utility model is as follows:

when the retainer ring 2 is installed, the retainer ring 2 is directly placed beside the bearing body 1, the cover plate 23 is opened, then the two sliding blocks 24 are pulled, the extrusion spring 25 is contracted, the arc-shaped strips 22 move in a following manner, the two arc-shaped strips 22 are positioned inside the retainer ring 2, at the moment, the retainer ring 2 is placed inside the bearing body 1, namely between the inner ring 11 and the outer ring 12 and slightly pressed downwards with force, the adsorption ring strip 3 is tightly pressed on the outer ring 12, the sucking disc 32 is adsorbed on the outer ring 12, the initial fixation of the retainer ring 2 is realized, the two sliding blocks 24 are released, the extrusion spring 25 is reset, the arc-shaped strips 22 can be automatically pushed to expand outwards, and the two arc-shaped strips 22 are tightly abutted on the inner wall of the outer ring 12 of the bearing body, so that the fixation of the retainer ring 2 is realized.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.

Claims (5)

1. Ball bearing with retaining ring, including bearing body (1), its characterized in that: the bearing comprises a bearing body (1), wherein a retaining ring (2) is respectively arranged at the front side and the rear side of the inside of the bearing body, a left fixing strip (21) and a right fixing strip (21) are respectively arranged at the opposite sides of the two retaining ring rings (2), arc-shaped strips (22) are arranged at the upper side and the lower side of the two fixing strips (21), two ends of each arc-shaped strip (22) are respectively connected with the two fixing strips (21), and an extrusion piece for pushing the arc-shaped strips (22) to move is respectively arranged inside each fixing strip (21);

the two retaining ring rings (2) are connected with the adsorption ring strips (3) on the opposite sides, air pressure adsorption parts are arranged in the adsorption ring strips (3), and the adsorption ring strips (3) are connected with the bearing body (1) through the air pressure adsorption parts.

2. A ball bearing with a retainer ring as defined in claim 1 wherein: the bearing body (1) is composed of an inner ring (11), an outer ring (12), rolling bodies (13) and a retainer (14), the retainer ring (2) is located between the inner ring (11) and the outer ring (12), and the side walls of the adsorption ring strips (3) and the outer ring (12) are attached.

3. A ball bearing with a retainer ring as defined in claim 1 wherein: the retainer ring (2) is provided with a notch, the fixing strip (21) is arranged in the notch, one side of the fixing strip (21) is hinged with the cover plate (23), and the cover plate (23) faces to the outside of the bearing body (1).

4. A ball bearing with a retainer ring as defined in claim 1 wherein: the extrusion piece comprises two sliding blocks (24) sliding in the fixing strip (21), an extrusion spring (25) is connected between the two sliding blocks (24), a straight rod (26) is connected to one opposite side of each sliding block (24), and the arc-shaped strip (22) is installed on the straight rod (26).

5. A ball bearing with a retainer ring as defined in claim 1 wherein: the air pressure adsorption piece comprises two ring grooves (31) which are formed in one side, opposite to the two adsorption ring strips (3), of the two adsorption ring strips, and a plurality of suckers (32) are arranged in the ring grooves (31).