CN213929429U

CN213929429U - Wheel hub oil seal positioning device

Info

Publication number: CN213929429U
Application number: CN202023320842.5U
Authority: CN
Inventors: 赵反阳
Original assignee: Shaanxi Lubricant Rubber Products Co ltd
Current assignee: Shaanxi Runze Brose Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-10
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a hub oil seal positioning device, which comprises an oil seal, wherein a ring groove is arranged on the surface of the front end of the oil seal, a self-tightening spring is arranged on one side of the inside of the ring groove, which is close to an inner ring of the oil seal, and a buffer part is arranged on one side of the inside of the ring groove, which is far away from the inner ring of the oil seal; the utility model discloses in, through the bolster that is provided with a plurality of prismatic structure around in the ring channel of oil blanket, make a plurality of bolsters under the effect of arc stripper plate with the top surface clamp of self-tightening spring connect, when the self-tightening spring is being extruded by external force and when taking place the skew, the bolster of a plurality of prismatic structure can carry out adaptability deformation to the external force extrusion, until two inside spacing post looks butts of bolster, effectively cushion the external force extrusion that the self-tightening spring received, and be in a plurality of stripper plates of self-tightening spring top surface and a plurality of side blocks of self-tightening spring side, can lock the position of self-tightening spring, avoid the self-tightening spring to take place the skew, thereby avoid the condition of oil blanket oil leak to take place.

Description

Wheel hub oil seal positioning device

Technical Field

The utility model relates to a wheel hub oil blanket technical field especially relates to a wheel hub oil blanket positioner.

Background

The oil seal is a mechanical element for sealing oil, a part needing lubrication in a transmission part is isolated from a force-exerting part so as not to allow the lubricating oil to leak, the representative form of the oil seal is a TC oil seal which is a double-lip oil seal with a self-tightening spring and completely coated by rubber, generally speaking, the oil seal is a TC framework oil seal, along with the continuous development of the society, the application of the oil seal is more and more, but some defects can exist in the use of part of oil seal positioning rings, for example, the self-tightening spring in the oil seal positioning rings can deviate, and further the oil leakage phenomenon is caused, so that the service life of the oil seal is influenced.

Therefore, the hub oil seal positioning device has the advantage of assisting the positioning of the self-tightening spring, and further solves the problems in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a hub oil seal positioning device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a wheel hub oil blanket positioner, includes the oil blanket, the ring channel has been seted up on the front end surface of oil blanket, and the inside one side that is close to the oil blanket inner circle of ring channel is provided with from the tight spring, the inside one side of keeping away from the oil blanket inner circle of ring channel is provided with the bolster, and the one end of bolster passes through the stripper plate and from the top surface butt of tight spring, the inside of bolster is provided with spacing post.

As a further description of the above technical solution: a plurality of buffer parts are arranged in the annular groove of the oil seal in an encircling mode and are of prismatic structures, and one ends of the plurality of buffer parts are abutted to the top surface of the self-tightening spring through the extrusion plate.

As a further description of the above technical solution: the cross section of the extrusion plate is of an arc-shaped structure, and the extrusion plate is wrapped on the top surface of the self-tightening spring.

As a further description of the above technical solution: the lip edge of the inner ring of the oil seal is provided with a plurality of side blocks corresponding to the annular groove in a surrounding mode, and the side faces of the side blocks are attached to and connected with the self-tightening spring.

As a further description of the above technical solution: and an arc-shaped surface is arranged on one side surface of the side blocks corresponding to the self-tightening springs.

As a further description of the above technical solution: the buffer piece and the extrusion plate are made of rubber.

As a further description of the above technical solution: the whole oil seal is of an annular structure.

As a further description of the above technical solution: the inside of bolster is provided with two spacing posts, and two spacing posts distribute in opposite directions.

The utility model discloses following beneficial effect has:

in the utility model, the self-tightening spring positioning structure of the oil seal is formed by the oil seal, the annular groove, the self-tightening spring, the side block, the buffer piece, the limiting post, the extrusion plate and the arc surface, the annular groove of the oil seal is surrounded with a plurality of buffering parts with prismatic structures, so that the buffering parts are clamped with the top surface of the self-tightening spring under the action of the arc-shaped extrusion plate, when the self-tightening spring is extruded by external force to generate deflection, the plurality of prismatic buffer parts can perform adaptive deformation to the external force extrusion until the two limit columns in the buffer parts are abutted in opposite directions, so that the external force extrusion of the self-tightening spring is effectively buffered, and be in a plurality of stripper plates of self-tightening spring top surface and a plurality of side pieces of self-tightening spring side, can lock the position of self-tightening spring, avoid self-tightening spring to take place the skew to avoid the condition of oil blanket oil leak to take place, prolong the life of oil blanket.

Drawings

Fig. 1 is a schematic structural view of a hub oil seal positioning device of the present invention;

fig. 2 is an exploded view of the hub oil seal positioning device of the present invention;

fig. 3 is the utility model discloses a wheel hub oil blanket positioner's side piece schematic structure.

Illustration of the drawings:

1. oil sealing; 2. an annular groove; 3. a self-tightening spring; 4. a side block; 5. a buffer member; 6. a limiting column; 7. a pressing plate; 8. an arc-shaped surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, 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.

According to the utility model discloses an embodiment provides a wheel hub oil blanket positioner.

Referring now to the drawings and the detailed description, as shown in fig. 1-3, a hub oil seal positioning device according to an embodiment of the present invention includes an oil seal 1, an annular groove 2 is formed on a front end surface of the oil seal 1, a self-tightening spring 3 is disposed inside the annular groove 2 and close to an inner ring of the oil seal 1, a buffer member 5 is disposed inside the annular groove 2 and away from the inner ring of the oil seal 1, one end of the buffer member 5 abuts against a top surface of the self-tightening spring 3 through a pressing plate 7, a spacing column 6 is disposed inside the buffer member 5, the buffer member 5 having a plurality of prismatic structures is disposed around the annular groove 2 of the oil seal 1, the plurality of buffer members 5 are clamped with the top surface of the self-tightening spring 3 under the action of the arc-shaped pressing plate 7, and when the self-tightening spring 3 is pressed by an external force to be deviated, the buffer members 5 having the prismatic structures can be deformed adaptively by the external force, under the deformation state of the plurality of prismatic-structure buffering parts 5, the two limiting columns 6 in the buffering parts 5 are abutted in opposite directions, so that the external force extrusion on the self-tightening spring 3 can be effectively buffered, meanwhile, the positions of the self-tightening spring 3 can be locked by the plurality of extrusion plates 7 on the top surface of the self-tightening spring 3 and the plurality of side blocks 4 on the side surfaces of the self-tightening spring 3, the self-tightening spring 3 is prevented from deviating, the oil leakage of the oil seal 1 is avoided, and the service life of the oil seal 1 is prolonged;

in one embodiment, a plurality of buffering members 5 are arranged around the annular groove 2 of the oil seal 1, each buffering member 5 is of a prismatic structure, one end of each buffering member 5 is abutted against the top surface of the self-tightening spring 3 through the squeezing plate 7, and the top surface positioning and buffering effect of the self-tightening spring 3 can be increased through the plurality of prismatic buffering members 5.

In one embodiment, the cross section of the extrusion plate 7 is of an arc structure, the extrusion plate 7 wraps the top surface of the self-tightening spring 3, and the top surface of the self-tightening spring 3 can be blocked and supported by the extrusion plate 7 of the arc structure, so that the self-tightening spring 3 is prevented from being deviated.

In one embodiment, a plurality of side blocks 4 are arranged around the lip edge of the inner ring of the oil seal 1 corresponding to the annular groove 2, the side faces of the side blocks 4 are attached and connected with the side faces of the self-tightening spring 3, and the side face positioning effect of the self-tightening spring 3 can be increased through the side blocks 4.

In one embodiment, one side surface of the plurality of side blocks 4 is provided with an arc-shaped surface 8 corresponding to the self-tightening spring 3, and the arc-shaped surface 8 of the plurality of side blocks 4 is matched with the arc-shaped structure of the side surface of the self-tightening spring 3, so that the side surface of the self-tightening spring 3 can be blocked and supported, and the self-tightening spring 3 is prevented from being deviated.

In one embodiment, the buffer member 5 and the extrusion plate 7 are made of rubber, and the deformation of the buffer member 5 made of rubber is facilitated, so that the external force extrusion is conveniently buffered.

In one embodiment, the oil seal 1 is of an annular configuration overall.

In one embodiment, two limiting columns 6 are arranged inside the buffering member 5, and the two limiting columns 6 are distributed oppositely.

The working principle is as follows:

during the use, through the bolster 5 that is provided with a plurality of prismatic structure in the ring channel 2 of oil blanket 1 ring-type inslot, make a plurality of bolsters 5 under the effect of arc stripper plate 7 with the top surface clamp of self-tightening spring 3, when self-tightening spring 3 is receiving external force extrusion and takes place the skew, a plurality of prismatic structure's bolster 5 can carry out adaptability deformation to external force extrusion, and under a plurality of prismatic structure's bolster 5 deformation state, two inside spacing posts 6 butt in the bolster 5 are in opposite directions, can effectively cushion the external force extrusion that self-tightening spring 3 received, meanwhile, a plurality of stripper plates 7 of self-tightening spring 3 top surface and a plurality of side blocks 4 of self-tightening spring 3 side can lock the position at self-tightening spring 3 place, avoid self-tightening spring 3 to take place the skew, thereby avoid the condition of oil blanket 1 oil leak to take place, prolong the life of oil blanket 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a wheel hub oil blanket positioner, includes oil blanket (1), its characterized in that: annular groove (2) have been seted up on the front end surface of oil blanket (1), and one side that inside oil blanket (1) inner circle is close to in annular groove (2) is provided with from tighting spring (3), one side that oil blanket (1) inner circle was kept away from in annular groove (2) is provided with bolster (5), and the one end of bolster (5) is passed through stripper plate (7) and the top surface butt from tighting spring (3), the inside of bolster (5) is provided with spacing post (6).

2. A hub oil seal positioning device as defined in claim 1, wherein: a plurality of buffer parts (5) are arranged in the annular groove (2) of the oil seal (1) in an encircling mode, the buffer parts (5) are of prismatic structures, and one ends of the buffer parts (5) are abutted to the top surfaces of the self-tightening springs (3) through the extrusion plates (7).

3. A hub oil seal positioning device as defined in claim 1, wherein: the cross section of the extrusion plate (7) is of an arc-shaped structure, and the extrusion plate (7) is wrapped on the top surface of the self-tightening spring (3).

4. A hub oil seal positioning device as defined in claim 1, wherein: the lip edge of the inner ring of the oil seal (1) corresponds to the annular groove (2) and is provided with a plurality of side blocks (4) in a surrounding mode, and the side faces of the side blocks (4) are attached to and connected with the self-tightening spring (3).

5. A hub oil seal positioning device as defined in claim 4, wherein: and an arc-shaped surface (8) is arranged on one side surface of the side blocks (4) corresponding to the self-tightening spring (3).

6. A hub oil seal positioning device as defined in claim 1, wherein: the buffer piece (5) and the extrusion plate (7) are made of rubber.

7. A hub oil seal positioning device as defined in claim 1, wherein: the oil seal (1) is of an annular structure as a whole.

8. A hub oil seal positioning device as defined in claim 1, wherein: the inside of bolster (5) is provided with two spacing posts (6), and two spacing posts (6) distribute in opposite directions.