CN214171145U - Waterproof bearing seal ring of automobile central shaft - Google Patents

Abstract

The utility model discloses a car center pin waterproof bearing seal circle relates to the sealing washer field, including waterproof sealing circle, waterproof sealing circle internally mounted has sealed skeleton, one side fixed mounting of waterproof sealing circle has the seal lip, waterproof sealing circle's outer wall connection has the connection lip, the top of connection lip is connected with the buffering lip. The utility model discloses a set up the connection lip, the buffering lip, when the installation, pass through the connection lip with waterproof sealing circle and install the outer wall at the bearing, then through the one side of connection lip block at the bearing outer wall, then protect the ball of bearing through the sealing lip, prevent that water stain from entering into inside the bearing, through setting up sealed skeleton, the buffering lip, when using, sealed skeleton can improve the stability of sealing washer, avoid long-time use to lead to waterproof sealing circle to warp, thereby avoid waterproof sealing circle's leakproofness to be destroyed, thereby improve waterproof sealing circle's leakproofness.

Description

Waterproof bearing seal ring of automobile central shaft

Technical Field

The utility model relates to a sealing washer field specifically is a waterproof bearing sealing washer of car center pin.

Background

The existing bearing is characterized in that a ball and a ball retainer are arranged between an outer ring and an inner ring, lubricating grease is filled on the ball through injection, then a sealing ring is installed on the outer side, the bonding strength of the outer end of the bearing sealing ring and an outer ring channel is not enough under the high-water-pressure environment, a water gap is easily generated between the outer end of the bearing sealing ring and the outer ring channel, and then external water enters a ball cavity to influence the service life of the bearing.

The existing bearing sealing ring has weak or no waterproof performance, generally adopts weighted contact to improve the waterproof performance of the bearing, so that the torque of the bearing is obviously increased, the energy consumption of the bearing operation is increased, and the required waterproof performance is difficult to achieve due to the limitation of the structural principle.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the waterproof performance of a sealing ring is poor and the running energy consumption of a bearing is easily improved by the sealing ring, the waterproof bearing sealing ring for the automobile central shaft is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a car center pin waterproof bearing sealing washer, includes waterproof sealing washer, waterproof sealing washer internally mounted has sealed skeleton, one side fixed mounting of waterproof sealing washer has the seal lip, waterproof sealing washer's outer wall connection has the connection lip, the top of connection lip is connected with the buffering lip.

Preferably, the inside of waterproof sealing washer is seted up with sealed skeleton assorted mounting groove, the inner wall of mounting groove agrees with mutually with the outer wall of sealed skeleton.

Preferably, the sealing framework is of a three-layer combined structure, the first layer of the sealing framework is a connecting steel ring, the second layer of the sealing framework is a soft rubber pad, and the third layer of the sealing framework is a fixed steel ring.

Preferably, the connecting lip is connected with the buffering lip through a rubber connecting block, and a buffering gap is formed between the connecting lip and the buffering lip.

Preferably, the outer wall of the sealing lip is provided with a forty-five degree chamfer cut surface, and the chamfer cut surface has four cut surfaces.

Preferably, one side of the waterproof sealing ring is provided with a connecting groove.

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

1. the utility model is provided with the connecting lip and the sealing lip, when being installed, the waterproof sealing ring is installed on the outer wall of the bearing through the connecting lip, then is clamped on one side of the outer wall of the bearing through the connecting lip, and then protects the ball of the bearing through the sealing lip, so as to prevent water stain from entering the inside of the bearing;

2. the utility model discloses a set up sealed skeleton, buffering lip, when using, sealed skeleton can improve the stability of sealing washer, avoids long-time use to lead to waterproof sealing washer to warp to avoid waterproof sealing washer's leakproofness to be destroyed, thereby improve waterproof sealing washer's leakproofness.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a schematic structural diagram of the present invention.

In the figure: 1. a waterproof sealing ring; 2. a sealing lip; 3. a connecting lip; 4. a cushion lip; 5. and (5) sealing the framework.

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. Furthermore, the terms "first," "second," and "third" 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", "connected" and "disposed" 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. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-3, a waterproof bearing seal ring for a central shaft of an automobile comprises a waterproof seal ring 1, a seal framework 5 is installed inside the waterproof seal ring 1, a seal lip 2 is fixedly installed on one side of the waterproof seal ring 1, a connection lip 3 is connected to the outer wall of the waterproof seal ring 1, and a buffer lip 4 is connected to the top end of the connection lip 3.

Please refer to fig. 1, the waterproof sealing ring 1 is provided with an installation groove inside, the installation groove is matched with the sealing framework 5, and the inner wall of the installation groove and the outer wall of the sealing framework 5 are matched with the sealing framework 5 for installation and disassembly.

Please refer to fig. 2, the sealing frame 5 is a three-layer structure, the first layer of the sealing frame 5 is a connecting steel ring, the second layer of the sealing frame 5 is a soft rubber pad, and the third layer of the sealing frame 5 is a fixing steel ring, so as to improve the fixing performance of the sealing frame 5 and prevent the sealing frame 5 from being damaged.

Please refer to fig. 3, the connection lip 3 is connected to the buffer lip 4 through a rubber connection block, and a buffer gap is formed between the connection lip 3 and the buffer lip 4, so as to increase the protection performance of the buffer lip 4 and improve the durability of the sealing ring.

Please refer to fig. 3, the outer wall of the sealing lip 2 is provided with a forty-five degree chamfer cut, and the chamfer cut has four cuts, so as to increase the protection of the sealing lip 2 and prevent the corners of the sealing lip 2 from being damaged.

Please refer to fig. 2, a connecting groove is formed on one side of the waterproof sealing ring 1 to facilitate the installation and detachment of the waterproof sealing ring 1.

The working principle is as follows: firstly, when the installation, install waterproof sealing washer 1 in the one side of car center pin, then install the outer wall at the bearing through the lips, through 3 blocks of lips in one side of bearing outer wall, then protect the ball of bearing through lips 2, increase car center pin and waterproof sealing washer 1's leakproofness, prevent that water stain from entering into inside the bearing, avoid the car center pin impaired, when using, can improve waterproof sealing washer 1's stability and durability through installation sealing framework 5, avoid waterproof sealing washer 1 to use the condition that leads to waterproof sealing washer 1's appearance to appear warping for a long time simultaneously, the condition of warping when waterproof sealing washer 1 disappearance, can avoid waterproof sealing washer 1's leakproofness to be destroyed, thereby improve waterproof sealing washer 1's leakproofness.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a waterproof bearing seal circle of car center pin, includes waterproof sealing washer (1), its characterized in that: waterproof sealing washer (1) internally mounted has sealed skeleton (5), one side fixed mounting of waterproof sealing washer (1) has seal lip (2), the outer wall connection of waterproof sealing washer (1) has connection lip (3), the top of connection lip (3) is connected with buffering lip (4).

2. The waterproof bearing seal ring of claim 1, wherein: the waterproof sealing ring is characterized in that a mounting groove matched with the sealing framework (5) is formed in the waterproof sealing ring (1), and the inner wall of the mounting groove is matched with the outer wall of the sealing framework (5).

3. The waterproof bearing seal ring of claim 1, wherein: the sealing framework (5) is of a three-layer combined structure, the first layer of the sealing framework (5) is a connecting steel ring, the second layer of the sealing framework (5) is a soft rubber pad, and the third layer of the sealing framework (5) is a fixed steel ring.

4. The waterproof bearing seal ring of claim 1, wherein: the connecting lip (3) is connected with the buffer lip (4) through a rubber connecting block, and a buffer gap is formed between the connecting lip (3) and the buffer lip (4).

5. The waterproof bearing seal ring of claim 1, wherein: the outer wall of the sealing lip (2) is provided with a forty-five-degree chamfer tangent plane, and the chamfer tangent plane is provided with four tangent planes.

6. The waterproof bearing seal ring of claim 1, wherein: one side of the waterproof sealing ring (1) is provided with a connecting groove.

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