CN220081957U - Waterproof bearing - Google Patents

Abstract

The utility model discloses a waterproof bearing, which belongs to the technical field of bearings and comprises: the novel anti-dust sealing device comprises an outer ring and an inner ring, wherein a retainer is sleeved between the outer ring and the inner ring, steel balls are sleeved in the retainer, embedding grooves are fixedly formed in two sides of the outer ring and the inner ring, dust covers are sleeved in the embedding grooves, panels are fixedly connected to the inner wall and the outer wall of the dust covers, sealing rings are fixedly connected to the inner wall of the dust covers, and sealing grooves are fixedly formed in the inner wall of one side opposite to the inner ring of the outer ring. Therefore, the bearing has reasonable overall structural design, is convenient and simple to use, can effectively seal the bearing, achieves the purposes of dust prevention and water prevention, ensures that the bearing is not easy to rust, keeps the performance of the bearing, and has practicability.

Description

Waterproof bearing

Technical Field

The utility model relates to a bearing, in particular to a waterproof bearing, and belongs to the technical field of bearings.

Background

Rolling bearings (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 four parts, namely 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 and guide the rolling bodies to rotate for lubrication.

The patent of current publication No. CN214698822U discloses a ball bearing, which comprises a bearing main body, the inboard of bearing main body is provided with the inner ring, the inboard of bearing main body is provided with the retainer, the outside of retainer is provided with the ball, one side of bearing main body is provided with the shield, one side of shield is provided with the through-hole, the inboard of through-hole is provided with interior hexagonal fixing bolt, one side of bearing main body is provided with the fixed slot, the inboard of inner ring is provided with the retainer plate, the inside of retainer plate is provided with the buffer block, the inside of buffer block is provided with the compression ball. According to the ball bearing, the dust cover is arranged, so that the bearing main body has a good dust prevention effect in the using process, dust is prevented from entering the bearing main body, the service life of the bearing main body is prolonged, and the mounting efficiency of the bearing main body is improved through the fastening ring.

The patent with the publication number of CN211901302U discloses a ball bearing, which comprises an inner ring, an outer ring and a plurality of balls assembled between the inner ring and the outer ring, wherein an inner ring rubber coating layer is fixedly arranged on the inner periphery of the inner ring, an outer ring rubber coating layer is fixedly arranged on the outer periphery of the outer ring, and the inner ring rubber coating layer and the outer ring rubber coating layer are both made of plastic; the inner ring encapsulation layer comprises an annular inner ring encapsulation main body part and an inner ring encapsulation connecting part fixedly arranged on the inner periphery side of the inner ring encapsulation main body part; the outer race Bao Jiaoceng is annular. In the utility model, the inner ring and the outer ring are encapsulated, so that an inner ring rubber coating layer is formed on the inner periphery of the inner ring, an outer ring rubber coating layer is formed on the outer periphery of the outer ring, and then the ball bearing is assembled; after the ball bearing is assembled, the ball bearing can be connected with other parts through the inner ring rubber coating connecting part and then can be directly used as a wheel. Therefore, the ball bearing can be used as a wheel of a vehicle, thereby expanding the application of the ball bearing.

The applicant found that the ball bearings in the above two patents have the problems of single structure and weak waterproof capability, and liquid is easy to enter when the ball bearing is used in a humid environment or water, so that the ball bearing contacts with steel balls to cause rusting, and the service performance of the bearing is affected.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a waterproof bearing which can realize better waterproof and dustproof functions and solves the problems of simple structure and general waterproof capability of ball bearings in the prior art.

In order to solve the problems, the following technical scheme is provided:

the waterproof bearing comprises an outer ring and an inner ring, wherein a retainer is sleeved between the outer ring and the inner ring, steel balls are sleeved in the retainer, embedded grooves are fixedly formed in two sides of the outer ring and the inner ring, dust covers are sleeved in the embedded grooves, panels are fixedly connected to the inner wall and the outer wall of the dust covers, sealing rings are fixedly connected to the inner wall of the dust covers, and sealing grooves are fixedly formed in the inner wall of one side opposite to the inner wall of the outer ring and the inner ring.

Further, the panel and the fitting groove are engaged with each other.

Further, the sealing ring and the sealing groove are mutually clamped.

Furthermore, the outer wall of the sealing ring is made of an arc-shaped bulge structure.

Further, the panel and the dust cover are made of an integrated structure.

Further, the panel is made of a metal material.

Further, the steel balls are arranged between the outer ring and the inner ring in a rolling way.

Compared with the prior art, the utility model has the beneficial effects that: the device has the advantages that the panel clamping and embedding groove is formed, the protruding edge of the sealing ring is clamped into the sealing groove to seal the bearing, and the device can achieve better dustproof and waterproof purposes;

compared with the prior art, the utility model has the beneficial effects that: the device overall structure reasonable in design, convenient to use is simple, can carry out effectual sealedly to the bearing, reaches dustproof waterproof purpose, makes the bearing be difficult for rustting, keeps the performance of bearing.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic main structure of a preferred embodiment of a waterproof bearing according to the present utility model;

FIG. 2 is a schematic elevational view in partial cross-section of a preferred embodiment of a waterproof bearing according to the present utility model;

FIG. 3 is a schematic front sectional view of a dust cap of a preferred embodiment of a waterproof bearing according to the present utility model;

fig. 4 is an exploded view of a cage and steel balls of a preferred embodiment of a waterproof bearing according to the present utility model.

In the figure: 1. an outer ring; 2. an inner ring; 3. a retainer; 4. steel balls; 5. a fitting groove;

6. a dust cover; 7. a panel; 8. a seal ring; 9. and (5) sealing the groove.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, the waterproof bearing provided in this embodiment includes an outer ring 1 and an inner ring 2, a retainer 3 is sleeved between the outer ring 1 and the inner ring 2, steel balls 4 are sleeved in the retainer 3, embedded grooves 5 are fixedly formed in two sides of the outer ring 1 and the inner ring 2, dust covers 6 are sleeved in the two embedded grooves 5, panels 7 are fixedly connected to inner and outer walls of the two dust covers 6, sealing rings 8 are fixedly connected to inner walls of the two dust covers 6, and sealing grooves 9 are fixedly formed in inner walls of opposite sides of the outer ring 1 and the inner ring 2.

Preferably, the panel 7 and the fitting groove 5 are engaged with each other, the seal ring 8 and the seal groove 9 are engaged with each other, and the seal ring 8 is engaged with the seal groove 9 to seal and protect the bearing structure.

Preferably, the outer wall of the sealing ring 8 is made of an arc-shaped bulge structure, and the sealing ring 8 is made of a hard rubber material.

Preferably, the panel 7 and the dust cap 6 are made of an integrated structure, and the panel 7 is inserted into the fitting groove 5 to engage the dust cap 6 into the gap between the outer ring 1 and the inner ring 2.

Preferably, the panel 7 is made of a metal material, in particular a metal plate with corrosion protection.

Preferably, the steel balls 4 are arranged between the outer ring 1 and the inner ring 2 in a rolling way, and the specific dismounting mode of the steel balls 4 is a known technology in the field and is not described herein.

The application principle and the application flow of the utility model are as follows:

this bearing structure is through seting up seal groove 9 on the relative one side inner wall between outer lane 1 and inner circle 2 to utilize panel 7 embedding gomphosis inslot 5, utilize sealing washer 8 block in seal groove 9, seal steel ball 4, fix shield 6 simultaneously, play dustproof waterproof's purpose, structural design is reasonable, easy dismounting can play better sealed effect to this bearing structure.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," 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 utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.

While the utility model has been described in connection with specific embodiments, it will be apparent to those skilled in the art that the description is intended to be illustrative and not limiting in scope. Various modifications and alterations of this utility model will occur to those skilled in the art in light of the spirit and principles of this utility model, and such modifications and alterations are also within the scope of this utility model.

Claims (7)

1. The utility model provides a waterproof bearing, its characterized in that, includes outer lane (1) and inner circle (2), the cover is equipped with cage (3) between outer lane (1) and inner circle (2), the inner race of cage (3) is equipped with steel ball (4), gomphosis groove (5) have all been seted up to outer lane (1) and inner circle (2) both sides fixedly, two all overlap in gomphosis groove (5) and are equipped with shield (6), two equal fixedly connected with panel (7) on shield (6) inner and outer wall, two fixedly connected with sealing washer (8) on shield (6) inner wall, seal groove (9) have all been fixedly seted up on outer lane (1) and the inner wall of inner circle (2) opposite one side inner wall.

2. A water-resistant bearing according to claim 1, characterized in that the panel (7) and the fitting groove (5) are mutually engaged.

3. A water resistant bearing according to claim 1, characterized in that the sealing ring (8) and the sealing groove (9) are mutually engaged.

4. A water-proof bearing according to claim 1, characterized in that the outer wall of the sealing ring (8) is made of an arc-shaped bulge structure.

5. A water resistant bearing according to claim 1, wherein the panel (7) and dust cap (6) are made in a unitary structure.

6. A water-resistant bearing according to claim 1, characterized in that said panel (7) is made of metallic material.

7. A water-resistant bearing according to claim 1, characterized in that the steel balls (4) are arranged in rolling contact between the outer ring (1) and the inner ring (2).