CN217814576U

CN217814576U - Maintenance-free tapered roller bearing for axle hub

Info

Publication number: CN217814576U
Application number: CN202221078181.6U
Authority: CN
Inventors: 张照停; 张瑞涛
Original assignee: Liaocheng Aohua Bearing Co ltd
Current assignee: Liaocheng Aohua Bearing Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-11-15
Anticipated expiration: 2032-05-07

Abstract

The utility model provides a non-maintaining tapered roller bearing for axle wheel hub relates to bearing technical field, has solved under the long-time use of bearing, and the bearing is difficult to obtain the lubricated article such as lubricating oil or lubricating grease in subsequent time and lubricates to the frictional force that leads to the bearing increases, makes the problem that the life of bearing descends. A maintenance-free tapered roller bearing for an axle hub comprising: a bearing body; an inner ring is rotatably arranged in the bearing body; an oil storage part is fixedly arranged in the bearing body; a retainer is arranged outside the inner ring; the reinforcing ring is arranged in a circular ring structure and integrally arranged outside the oil storage part; through the setting of beaded finish, can be with the intensity of strengthening the oil storage spare for the bulk strength of bearing body can increase, makes the bearing body can protect the good work of tooth under this kind of abominable operational environment of wheel hub.

Description

Maintenance-free tapered roller bearing for axle hub

Technical Field

The utility model belongs to the technical field of the bearing, more specifically say, in particular to non-maintaining tapered roller bearing for axle wheel hub.

Background

The automobile hub bearing is one of key parts of an automobile, and has the main functions of bearing weight and providing accurate guide for the rotation of a hub.

The conventional tapered roller bearing has the following defects at present:

when the bearing is mounted on the wheel hub, the bearing is usually coated with a lubricant such as lubricant or grease, and then the bearing is mounted, so that the lubricant such as lubricant or grease is gradually consumed in the long-term use of the bearing, and the bearing is difficult to be lubricated by the lubricant such as lubricant or grease in the subsequent time, so that the friction force of the bearing is increased, and the service life of the bearing is shortened.

In view of the above, the present invention is to provide a maintenance-free tapered roller bearing for an axle hub, which is improved in view of the conventional structure and disadvantages, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a non-maintaining tapered roller bearing for axle wheel hub to solve and to propose in the above-mentioned background art under the long-time use of bearing, the lubricated article such as lubricating oil or lubricating grease can consume gradually, make the bearing be difficult to obtain the lubricated article such as lubricating oil or lubricating grease lubricated in follow-up time and lubricate, thereby lead to the frictional force of bearing to increase, make the problem that the life of bearing descends.

The utility model is used for axle wheel hub's non-maintaining tapered roller bearing's purpose and efficiency are reached by following specific technological means:

a maintenance-free tapered roller bearing for an axle hub comprising: a bearing body; an inner ring is rotatably arranged in the bearing body; an oil storage part is fixedly arranged in the bearing body; a retainer is arranged outside the inner ring; the bearing body still including: the radiating holes are arranged in a circular hole structure and are arranged outside the bearing body in an annular array shape; the oil filling hole A is formed in the top of the bearing body;

the oil storage piece is of a circular structure, and an oil storage space is formed in the oil storage piece; the oil storage piece also comprises: the reinforcing ring is arranged to be of a circular ring structure, and the reinforcing ring is integrally arranged outside the oil storage part.

Further, the bearing body still includes: and the connecting stoppers are arranged on two sides of the bearing body.

Further, the inner ring also comprises: the connecting lug is of a circular lug structure and is integrally arranged in the middle of the inner ring; and the auxiliary groove is arranged on the outer side of the inner ring.

Further, the oil storage part further comprises: the oil filling hole B is formed outside the oil storage piece and communicated with an oil storage space of the oil storage piece; the oil filling hole B is communicated with the oil filling hole A; the oil outlet holes are arranged on two sides of the oil storage part in an annular array shape, and the oil outlet holes are communicated with the oil storage space of the oil storage part.

Further, the holder further comprises: the rotating pieces are rotatably arranged in the retainer in an annular array; and the oil inlet holes are arranged on one side of the retainer in an annular array shape.

Compared with the prior art, the utility model discloses following beneficial effect has:

through the setting of oil storage spare for the interior lubricating grease of oil storage space of oil storage spare flows through the oil outlet, enters into through the inlet port of holder one side and rotates the piece on, lubricates its bearing, thereby under long-time use, also can guarantee that the bearing obtains the lubrication, and then reduces the frictional force of bearing, makes the bearing non-maintaining under the long-time, increases the life of bearing.

Through the setting of beaded finish, can be with the intensity of strengthening the oil storage spare for the bulk strength of bearing body can increase, makes the bearing body can protect the good work of tooth under this kind of abominable operational environment of wheel hub.

Drawings

Fig. 1 is a schematic view of the structure for disassembling the bearing body of the present invention.

Fig. 2 is a schematic view of the inner ring structure of the present invention.

Fig. 3 is a schematic view of the disassembly structure of the oil storage device of the present invention.

Fig. 4 is a schematic view of the structure of the retainer of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a bearing body; 101. heat dissipation holes; 102. an oil filler hole A; 103. a connection stopper; 2. an inner ring; 201. A connection bump; 202. an auxiliary groove; 3. an oil storage member; 301. a reinforcement ring; 302. an oil filler hole B; 303. an oil outlet; 4. a holder; 401. a rotating member; 402. an oil inlet hole.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like 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 should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides a non-maintaining tapered roller bearing for axle wheel hub.

Referring to fig. 1, comprising: a bearing body 1; an inner ring 2 is rotatably arranged in the bearing body 1; an oil storage part 3 is fixedly arranged in the bearing body 1; a retainer 4 is arranged outside the inner ring 2; the bearing body 1 further comprises: the heat dissipation holes 101 are arranged in a circular hole structure, and the heat dissipation holes 101 are arranged outside the bearing body 1 in an annular array shape; the oil filling hole A102 is formed in the top of the bearing body 1; the connecting stoppers 103, the connecting stoppers 103 are arranged on both sides of the bearing body 1; the lubricating grease is injected into the grease storage space of the grease reservoir 3 through the grease hole a102, and is stored.

With reference to fig. 2, the inner ring 2 further comprises: the connecting lug 201, the connecting lug 201 is set up as the round lug structure, and the connecting lug 201 is set up in the middle of the inner circle 2 integrally; and an auxiliary groove 202, wherein the auxiliary groove 202 is opened outside the inner ring 2.

Referring to fig. 3, the oil storage member 3 is a circular member structure, and an oil storage space is formed inside the oil storage member 3; oil storage 3 still includes: the reinforcing ring 301, the reinforcing ring 301 is arranged in a circular ring structure, and the reinforcing ring 301 is integrally arranged outside the oil storage member 3; the oil hole B302 is formed in the outer side of the oil storage part 3, and the oil hole B302 is communicated with the oil storage space of the oil storage part 3; the oil hole B302 is communicated with the oil hole A102; the oil outlet holes 303 are formed in two sides of the oil storage part 3 in an annular array shape, and the oil outlet holes 303 are communicated with the oil storage space of the oil storage part 3; the reinforcement ring 301 provided on the outside of the oil reservoir 3 can reinforce the strength of the oil reservoir 3.

With reference to fig. 4, the cage 4 further comprises: the rotating pieces 401 are rotatably arranged in the retainer 4 in an annular array shape, and the normal operation of the rotating pieces 401 can be ensured; and the oil inlet holes 402 are arranged on one side of the retainer 4 in an annular array shape.

The specific use mode and function of the embodiment are as follows:

the utility model discloses in, before using the installation, at first through oil filler point A102 with in the oil storage space of lubricating grease injection oil storage piece 3, at this moment, lubricating oil is also paintd to bearing body 1 inside, installs the bearing in the axle wheel hub.

In the continuous rotation process of bearing for the bearing generates heat, makes the interior lubricating grease of oil storage space of oil storage piece 3 gradually melt, makes lubricating grease flow out through oil outlet 303, enters into on rotating the piece 401 through the inlet port 402 of holder 4 one side, lubricates its bearing, thereby under long-time use, also can guarantee that the bearing obtains the lubrication, and then reduces the frictional force of bearing, makes the bearing free of maintenance under for a long time.

And the outside of oil storage 3 is provided with beaded finish 301 can be with the intensity of strengthening oil storage 3 for the bulk strength of bearing body 1 can increase, makes bearing body 1 can protect the good work of tooth under this kind of abominable operational environment of wheel hub.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A non-maintaining tapered roller bearing for axle hub, comprising: a bearing body (1); an inner ring (2) is rotatably arranged in the bearing body (1); an oil storage part (3) is fixedly arranged in the bearing body (1); a retainer (4) is arranged outside the inner ring (2); the bearing body (1) further comprises: the heat dissipation holes (101) are arranged in a circular hole structure, and the heat dissipation holes (101) are arranged outside the bearing body (1) in an annular array shape; the oil filler hole A (102), the oil filler hole A (102) is set up in the top of the bearing body (1);

the oil storage piece (3) is of a circular structure, and an oil storage space is formed in the oil storage piece (3); the oil storage part (3) also comprises: the oil storage device comprises a reinforcing ring (301), wherein the reinforcing ring (301) is of a circular ring structure, and the reinforcing ring (301) is integrally arranged outside the oil storage part (3).

2. The maintenance-free tapered roller bearing for an axle hub of claim 1, wherein: the bearing body (1) further comprises: and the connecting stoppers (103) are arranged on two sides of the bearing body (1).

3. The maintenance-free tapered roller bearing for an axle hub of claim 1, wherein: the inner ring (2) further comprises: the connecting lug (201), the connecting lug (201) is arranged to be a circular lug structure, and the connecting lug (201) is integrally arranged in the middle of the inner ring (2); and an auxiliary groove (202), wherein the auxiliary groove (202) is arranged outside the inner ring (2).

4. The maintenance-free tapered roller bearing for an axle hub of claim 1, wherein: the oil storage part (3) further comprises: the oil filling hole B (302) is formed in the outer side of the oil storage piece (3), and the oil filling hole B (302) is communicated with the oil storage space of the oil storage piece (3); the oil hole B (302) is communicated with the oil hole A (102); the oil outlet holes (303), the oil outlet holes (303) are arranged on two sides of the oil storage piece (3) in an annular array shape, and the oil outlet holes (303) are communicated with the oil storage space of the oil storage piece (3).

5. The maintenance-free tapered roller bearing for an axle hub of claim 4, wherein: the retainer (4) further comprises: the rotating pieces (401), the rotating pieces (401) are arranged inside the retainer (4) in an annular array shape in a rotating mode; the oil inlet holes (402) are arranged on one side of the retainer (4) in an annular array shape.