CN210661075U

CN210661075U - Bearing with small friction coefficient

Info

Publication number: CN210661075U
Application number: CN201921860975.6U
Authority: CN
Inventors: 陈晓燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-02
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a bearing that coefficient of friction is little, constitute including bearing inner race and bearing inner race, the bearing inner race sets up in the inboard position of bearing inner race, the internal surface of bearing inner race and bearing inner race is close to both sides position and has all seted up the block groove, and is connected with the dust ring through block groove block in the middle of bearing inner race and the bearing inner race, the internal surface of bearing inner race is close to intermediate position fixed mounting has first raceway, the internal surface of bearing inner race is close to intermediate position fixed mounting has the second raceway, it is equipped with the rolling steel ball to inlay between first raceway and the second raceway, the surface cover of rolling steel ball is equipped with the holder, the inboard of bearing inner race is connected with location chucking device. A bearing that coefficient of friction is little, can play the effect of location chucking when bearing and connecting axle installation, and can conveniently pour into lubricating oil into to the inside of bearing.

Description

Bearing with small friction coefficient

Technical Field

The utility model relates to a bearing field, in particular to bearing that coefficient of friction is little.

Background

The bearing is an important part in the modern mechanical equipment. The main function of the device is to support the mechanical rotator, reduce the friction coefficient in the movement process and ensure the rotation precision of the mechanical rotator, the lubrication purpose of the rolling bearing is to reduce the internal friction and abrasion of the bearing and prevent burning and sticking to prolong the service life of the rolling bearing, and the friction heat is discharged to cool so as to prevent the overheating of the bearing and prevent the self-aging of the lubricating oil; the bearing also has the effects of preventing foreign matters from entering the inside of the bearing or preventing rusting and corrosion, and the bearing with small friction coefficient is a rolling bearing with good lubricating effect; the existing bearing with small friction coefficient can not play a role of positioning and clamping when the bearing and the connecting shaft are installed in use, and lubricating oil is inconvenient to be injected into the bearing.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a bearing that coefficient of friction is little, can effectively solve and can not play the effect of location chucking and inconvenient problem to the inside injected lubricating oil of bearing when bearing and connecting shaft installation among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a bearing with small friction coefficient comprises a bearing outer ring and a bearing inner ring, wherein the bearing inner ring is arranged at the inner side position of the bearing outer ring, clamping grooves are respectively formed in the inner surfaces of the bearing outer ring and the bearing inner ring close to the two side positions, a dustproof ring is clamped and connected between the bearing outer ring and the bearing inner ring through the clamping grooves, a first roller path is fixedly arranged on the inner surface of the bearing outer ring close to the middle position, a second roller path is fixedly arranged on the inner surface of the bearing inner ring close to the middle position, a rolling steel ball is embedded between the first roller path and the second roller path, a retainer is sleeved on the outer surface of the rolling steel ball, a positioning and clamping device is connected to the inner side of the bearing inner ring and consists of a positioning column, an anti-falling block and a reset spring, an oil filling hole is formed in the bearing outer ring, and a sealing, the sealing device consists of a sealing plug, a lifting handle, a guide block and a guide groove.

Preferably, the positioning column is arranged at the inner side position of the bearing inner ring, one end of the positioning column extends into the bearing inner ring, the anti-falling block is fixed at one end of the positioning column, the anti-falling block is embedded in the bearing inner ring, one end of the reset spring is fixed on the outer surface of the anti-falling block, and the other end of the reset spring is fixed on the inner wall of the bearing inner ring.

Preferably, the positioning column is movably connected with the bearing inner ring through an anti-falling block and a return spring.

Preferably, the sealing plug is embedded in the top position, close to the oil filling hole, of the inner portion of the bearing outer ring, the handle is fixedly installed on the upper surface of the sealing plug, the guide blocks are fixed on the outer surfaces of the two sides of the sealing plug and embedded into the inner portion of the bearing outer ring, and the guide grooves are arranged in the inner portion of the bearing outer ring.

Preferably, the sealing plug is movably connected with the bearing outer ring through a guide block and a guide groove.

Preferably, chamfers are arranged on the outer surfaces of the bearing outer ring and the bearing inner ring.

Compared with the prior art, the utility model discloses following beneficial effect has: this bearing that coefficient of friction is little through the location chucking device that sets up, can play the effect of location chucking when the bearing is installed with the connecting axle to can conveniently install the bearing on the connecting axle, through sealing device and the oil filler point that sets up, can conveniently pour into lubricating oil into to the inside of bearing, thereby can play lubricated effect to the bearing, improve the life of bearing.

Drawings

FIG. 1 is a schematic view of the overall structure of a bearing with a low friction coefficient according to the present invention;

FIG. 2 is a schematic view of the inner structure of the outer race and the inner race of the bearing with small friction coefficient according to the present invention;

fig. 3 is a schematic structural view of a positioning and clamping device for a bearing with a small friction coefficient according to the present invention;

fig. 4 is a schematic structural diagram of a sealing device for a bearing with a small friction coefficient according to the present invention.

In the figure: 1. a bearing outer race; 2. a bearing inner race; 3. a clamping groove; 4. a dust ring; 5. a first raceway; 6. a second raceway; 7. rolling the steel ball; 8. a holder; 9. a positioning and clamping device; 901. a positioning column; 902. an anti-drop block; 903. a return spring; 10. an oil filler hole; 11. a sealing device; 1101. a sealing plug; 1102. a handle; 1103. a guide block; 1104. a guide groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a bearing with a small friction coefficient comprises a bearing outer ring 1 and a bearing inner ring 2, wherein the bearing inner ring 2 is arranged at an inner side position of the bearing outer ring 1, clamping grooves 3 are respectively formed at positions, close to two sides, of inner surfaces of the bearing outer ring 1 and the bearing inner ring 2, a dust-proof ring 4 is clamped and connected between the bearing outer ring 1 and the bearing inner ring 2 through the clamping grooves 3, a first rolling way 5 is fixedly arranged at a position, close to a middle position, of the inner surface of the bearing outer ring 1, a second rolling way 6 is fixedly arranged at a position, close to the middle position, of the inner surface of the bearing inner ring 2, a rolling steel ball 7 is embedded between the first rolling way 5 and the second rolling way 6, a retainer 8 is sleeved on an outer surface of the rolling steel ball 7, a positioning and clamping device 9 is connected to an inner side of the, an oil filling hole 10 is formed in the bearing outer ring 1, a sealing device 11 is connected to the position, close to the top of the oil filling hole 10, in the bearing outer ring 1, and the sealing device 11 is composed of a sealing plug 1101, a lifting handle 1102, a guide block 1103 and a guide groove 1104;

the positioning column 901 is arranged at the inner side of the bearing inner ring 2, one end of the positioning column 901 extends into the bearing inner ring 2, the anti-falling block 902 is fixed at one end of the positioning column 901, the anti-falling block 902 is embedded in the bearing inner ring 2, one end of the return spring 903 is fixed on the outer surface of the anti-falling block 902, and the other end of the return spring 903 is fixed on the inner wall of the bearing inner ring 2; the positioning column 901 is movably connected with the bearing inner ring 2 through an anti-falling block 902 and a return spring 903; the sealing plug 1101 is embedded in the bearing outer ring 1 at a position close to the top of the oil filling hole 10, the handle 1102 is fixedly installed on the upper surface of the sealing plug 1101, the guide blocks 1103 are fixed on the outer surfaces of two sides of the sealing plug 1101, the guide blocks 1103 are embedded in the bearing outer ring 1, and the guide grooves 1104 are arranged in the bearing outer ring 1; the sealing plug 1101 is movably connected with the bearing outer ring 1 through a guide block 1103 and a guide groove 1104; and chamfers are arranged on the outer surfaces of the bearing outer ring 1 and the bearing inner ring 2.

It should be noted that, the utility model relates to a bearing with small friction coefficient, when in use, the bearing outer ring 1 and the bearing inner ring 2 form the main body frame of the whole bearing with small friction coefficient, the dust ring 4 is clamped between the bearing outer ring 1 and the bearing inner ring 2 through the clamping groove 3, the gap between the bearing outer ring 1 and the bearing inner ring 2 can be filled, the dust-proof function is achieved, the first roller path 5 and the second roller path 6 can facilitate the rolling of the rolling steel balls 7, the retainer 8 has the function of limiting the rolling of the rolling steel balls 7, the rolling steel balls 7 can be prevented from deviating, the positioning column 901 moves relative to the bearing inner ring 2 through the anti-dropping block 902 and the reset spring 903, the positioning column 901 is clamped into the positioning groove on the connecting shaft, the positioning and clamping function can be achieved when the bearing is installed with the connecting shaft, thereby the bearing can be conveniently installed on the connecting shaft, the, the sealing plug 1101 moves relative to the bearing outer ring 1 through the guide block 1103 and the guide groove 1104, so that the sealing plug 1101 can be pulled out, lubricating oil is injected into the bearing through the oil injection hole 10, the bearing can be lubricated, and the service life of the bearing is prolonged.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A bearing with a low coefficient of friction, characterized in that: the bearing inner ring structure comprises a bearing outer ring (1) and a bearing inner ring (2), wherein the bearing inner ring (2) is arranged at the inner side position of the bearing outer ring (1), clamping grooves (3) are formed in the inner surfaces of the bearing outer ring (1) and the bearing inner ring (2) close to the two side positions, the middle parts of the bearing outer ring (1) and the bearing inner ring (2) are connected with a dust ring (4) through the clamping grooves (3) in a clamping mode, a first rolling path (5) is fixedly arranged on the inner surface of the bearing outer ring (1) close to the middle position, a second rolling path (6) is fixedly arranged on the inner surface of the bearing inner ring (2) close to the middle position, rolling steel balls (7) are embedded between the first rolling path (5) and the second rolling path (6), a retainer (8) is sleeved on the outer surface of each rolling steel ball (7), and a positioning, the positioning clamping device (9) comprises a positioning column (901), an anti-falling block (902) and a return spring (903), an oil filling hole (10) is formed in the bearing outer ring (1), a sealing device (11) is connected to the top position, close to the oil filling hole (10), of the inner portion of the bearing outer ring (1), and the sealing device (11) comprises a sealing plug (1101), a lifting handle (1102), a guide block (1103) and a guide groove (1104).

2. A low coefficient of friction bearing as claimed in claim 1, wherein: the positioning column (901) is arranged at the inner side of the bearing inner ring (2), one end of the positioning column (901) extends into the bearing inner ring (2), the anti-falling block (902) is fixed at one end of the positioning column (901), the anti-falling block (902) is embedded in the bearing inner ring (2), one end of the reset spring (903) is fixed on the outer surface of the anti-falling block (902), and the other end of the reset spring (903) is fixed on the inner wall of the bearing inner ring (2).

3. A low coefficient of friction bearing as claimed in claim 1, wherein: the positioning column (901) is movably connected with the bearing inner ring (2) through an anti-falling block (902) and a return spring (903).

4. A low coefficient of friction bearing as claimed in claim 1, wherein: the sealing plug (1101) is embedded in the top position of the inner portion of the bearing outer ring (1) close to the oil filling hole (10), the handle (1102) is fixedly installed on the upper surface of the sealing plug (1101), the guide block (1103) is fixed on the outer surfaces of the two sides of the sealing plug (1101), the guide block (1103) is embedded in the inner portion of the bearing outer ring (1), and the guide groove (1104) is arranged in the inner portion of the bearing outer ring (1).

5. A low coefficient of friction bearing as claimed in claim 1, wherein: the sealing plug (1101) is movably connected with the bearing outer ring (1) through a guide block (1103) and a guide groove (1104).

6. A low coefficient of friction bearing as claimed in claim 1, wherein: and chamfers are arranged on the outer surfaces of the bearing outer ring (1) and the bearing inner ring (2).