CN213117134U

CN213117134U - Waterproof bearing

Info

Publication number: CN213117134U
Application number: CN202021574778.0U
Authority: CN
Inventors: 王仕君
Original assignee: Guanxian Xinwei Bearing Co ltd
Current assignee: Guanxian Xinwei Bearing Co ltd
Priority date: 2020-08-01
Filing date: 2020-08-01
Publication date: 2021-05-04
Anticipated expiration: 2030-08-01

Abstract

The utility model discloses a waterproof bearing, include: an inner ring; the outer ring and the inner ring are respectively fixedly provided with a water baffle, the inner wall of the outer ring is positioned at the outer side of the water baffle, the inner wall of the inner ring is positioned at the outer side of the water baffle and is respectively provided with an outer sealing groove, and the inner wall of the outer ring is positioned at the inner side of the water baffle and is respectively provided with an inner sealing groove; the sealing ring is characterized in that an outer lip plate and an inner lip plate are fixedly arranged on the surface of the outer wall of the sealing ring, and a sealing clamping groove is formed between the outer lip plate and the inner lip plate; the utility model discloses a sealing ring of installation makes the sealing ring form a good sealed to the bearing inner chamber for this bearing waterproof performance is good, can prevent effectively that water and impurity from entering into the bearing inner chamber, improves the life of bearing, and makes its ability normal stable operation, the troubleshooting.

Description

Waterproof bearing

Technical Field

The utility model relates to a bearing technical field specifically is a waterproof bearing.

Background

The bearing is an important part in the modern mechanical equipment, the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the motion process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body, and the existing rolling bearing mainly comprises four parts, namely an outer ring, an inner ring, a rolling body and a retainer; the device is used on various machine tools, motors, water pumps and other operation machines.

However, the existing rolling bearing has poor waterproofness, so that the bearing in the operation machinery in the environments of open air, underwater, humidity and the like is often soaked in water or a mixture of water and impurities during operation, the bearing is easy to rust and the service life of the bearing is shortened, and the condition that the bearing is blocked or clamped frequently occurs, so that the operation of the device is abnormal or accidents are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof bearing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a water resistant bearing comprising:

an inner ring;

the outer ring and the inner ring are respectively fixedly provided with a water baffle, the inner wall of the outer ring is positioned at the outer side of the water baffle, the inner wall of the inner ring is positioned at the outer side of the water baffle and is respectively provided with an outer sealing groove, and the inner wall of the outer ring is positioned at the inner side of the water baffle and is respectively provided with an inner sealing groove;

the sealing ring is characterized in that an outer lip plate and an inner lip plate are fixedly arranged on the surface of the outer wall of the sealing ring, and a sealing clamping groove is formed between the outer lip plate and the inner lip plate;

wherein the outer race is located outside the inner race.

Preferably, the sealing ring is internally provided with a drying cavity close to the outer lip plate and the inner lip plate, the drying cavity is internally filled with a drying agent, and the inner wall surface of the sealing clamping groove is provided with a water absorbing hole which is provided with a plurality of water absorbing holes.

Preferably, the method further comprises the following steps:

a plurality of steel balls are arranged;

the steel ball is arranged between the outer ring and the inner ring.

Preferably, a shaft hole is formed in the inner ring close to the shaft center.

Preferably, the water baffle and the sealing clamping groove are matched with each other, and the water baffle and the sealing clamping groove are consistent in thickness.

Preferably, the drying agent is specifically activated carbon particles.

Preferably, the sealing ring, the outer lip plate and the inner lip plate are of an integrally formed structure.

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

1. the utility model discloses a sealing ring of installation, the sealed draw-in groove of sealing ring outward flange is impressed in the outer lane inner wall outside and the water baffle in the branch in the inner circle inner wall outside, outer lip supports to lean on in outer seal groove simultaneously, interior lip supports to lean on in inner seal groove, the outer fringe limit end of outer lip and interior lip can closely support with outer lane and inner circle inner wall and lean on, thereby make the sealing ring can form a good sealing to the bearing inner chamber, make this bearing waterproof performance good, can effectively prevent that water and impurity from entering into the bearing inner chamber, the life of bearing is prolonged, and make it can normal steady operation, eliminate the trouble.

2. The utility model discloses a drier that sets up, when a small amount of water stain flows into to the breakwater surface along outer lip, water stain also can flow to sealed draw-in groove in, water stain simultaneously can pass the suction opening and be absorbed by the drier of dry intracavity, then can prevent water stain further flow into inside the bearing to more can improve the waterproof performance of this bearing, effectively prolong the life of this bearing.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic view of the sealing ring structure of the present invention;

FIG. 4 is an enlarged schematic structural view A of the present invention;

fig. 5 is a schematic view of the cross-sectional structure of the sealing ring of the present invention.

In the figure: 10-inner ring; 20-an outer ring; 30-steel ball; 40-shaft hole; 50-a sealing ring; 51-outer lip; 52-inner lip; 53-sealing the clamping groove; 54-a drying chamber; 55-a desiccant; 56-water suction holes; 60-a water baffle; 61-outer seal groove; 62-inner seal groove.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a water resistant bearing comprising: an inner ring 10, an outer ring 20 and a sealing ring 50.

Further, the cross section of the seal ring 50 has an H-shaped structure.

Wherein, outer lane 20 inner wall outside and the inner circle 10 inner wall outside fixed mounting respectively have breakwater 60, outer seal groove 61 has been seted up respectively to outer lane 20 inner wall position in the outer side department of breakwater 60 and inner circle 10 inner wall position in the outer side department of breakwater 60, inner seal groove 62 has been seted up respectively to outer lane 20 inner wall position in the inboard department of breakwater 60 and inner circle 10 inner wall position in the inboard department of breakwater 60.

Further, the outer lip 51 abuts within the outer seal groove 61 and the inner lip 52 abuts within the inner seal groove 62.

Wherein, sealing ring 50 outer wall fixed surface installs outer lip 51 and interior lip 52, be provided with sealed draw-in groove 53 between outer lip 51 and the interior lip 52, closely laminate between sealed draw-in groove 53 and the breakwater 60, can prevent the inflow of water stain to also can improve the fastness that this sealing ring 50 connects.

Further, the sealed draw-in groove 53 of sealing ring 50 outward flange is impressed in the outer lane 20 inner wall outside and the branch water baffle 60 in the inner circle 10 inner wall outside, outer lip 51 supports and leans on in outer seal groove 61 simultaneously, inner lip 52 supports and leans on in inner seal groove 62, the outer fringe limit end of outer lip 51 and inner lip 52 can closely support and lean on with outer lane 20 and inner circle 10 inner wall, thereby make sealing ring 50 can form a good seal to the bearing inner chamber, make this bearing waterproof performance good, can effectively prevent that water and impurity from entering into the bearing inner chamber, the life of bearing is prolonged, and make its ability normal steady operation, eliminate the trouble.

Wherein the outer ring 20 is located outside the inner ring 10.

The sealing ring 50 is provided with a drying cavity 54 at a position close to the outer lip 51 and the inner lip 52, a drying agent 55 is filled in the drying cavity 54, and a plurality of water suction holes 56 are formed in the inner wall surface of the sealing clamping groove 53 and the water suction holes 56 are formed in the water suction holes 56.

Further, when a small amount of water stain flows into the surface of the water baffle 60 along the outer lip plate 52, the water stain also flows into the sealing clamping groove 53, and meanwhile, the water stain passes through the water suction hole 56 and is absorbed by the drying agent 55 in the drying cavity, so that the water stain can be prevented from further flowing into the bearing, the waterproof performance of the bearing can be further improved, and the service life of the bearing can be effectively prolonged.

Wherein, still include: a steel ball 30.

Wherein, the steel balls 30 are provided with a plurality of steel balls.

Wherein, the steel ball 30 is arranged between the outer ring 20 and the inner ring 10.

Wherein, the inner part of the inner ring 10 near the axle center is provided with an axle hole 40.

The water baffle 60 and the sealing clamping groove 53 are matched with each other, and the water baffle 60 and the sealing clamping groove 53 are consistent in thickness.

Further, the sealing clamping groove 53 is tightly attached to the water baffle 60, so that water stains can be prevented from flowing in, and the connection firmness of the sealing ring 50 can be improved.

The drying agent 55 is specifically activated carbon particles.

Further, the water absorption efficiency can be improved.

Wherein, the sealing ring 50, the outer lip plate 51 and the inner lip plate 52 are of an integrated structure.

Further, the structural strength of the seal ring 50 is improved, and bending or breaking does not occur.

The working principle is as follows: when using, the sealed draw-in groove 53 of sealing ring 50 outward flange impresses in the outer lane 20 inner wall outside and the water baffle 60 that divides in the inner circle 10 inner wall outside, outer lip 51 supports and leans on in outer seal groove 61 simultaneously, interior lip 52 supports and leans on in interior seal groove 62, the outer fringe limit end of outer lip 51 and interior lip 52 can closely support and lean on with outer lane 20 and inner circle 10 inner wall, thereby make sealing ring 50 can form a good seal to the bearing inner chamber, make this bearing waterproof performance good, can effectively prevent water and impurity entering into the bearing inner chamber.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A water resistant bearing, comprising:

an inner ring (10);

the outer ring (20), the outer side of the inner wall of the outer ring (20) and the outer side of the inner wall of the inner ring (10) are respectively and fixedly provided with a water baffle (60), the outer sealing groove (61) is respectively formed in the position, located on the outer side of the water baffle (60), of the inner wall of the outer ring (20) and the outer sealing groove (62) is respectively formed in the position, located on the inner side of the water baffle (60), of the inner wall of the inner ring (10) and located on the inner side of the water baffle (60);

the sealing ring (50), the outer wall surface of the sealing ring (50) is fixedly provided with an outer lip plate (51) and an inner lip plate (52), and a sealing clamping groove (53) is arranged between the outer lip plate (51) and the inner lip plate (52);

wherein the outer ring (20) is located outside the inner ring (10).

2. The water resistant bearing of claim 1 wherein: the inner part of the sealing ring (50) close to the outer lip plate (51) and the inner lip plate (52) is provided with a drying cavity (54), a drying agent (55) is filled in the drying cavity (54), a water absorbing hole (56) is formed in the surface of the inner wall of the sealing clamping groove (53), and the water absorbing hole (56) is provided with a plurality of water absorbing holes.

3. The waterproof bearing of claim 1, further comprising:

a plurality of steel balls (30), wherein the number of the steel balls (30) is large;

the steel ball (30) is arranged between the outer ring (20) and the inner ring (10).

4. The water resistant bearing of claim 1 wherein: and a shaft hole (40) is formed in the inner part of the inner ring (10) close to the axis.

5. The water resistant bearing of claim 1 wherein: the water baffle (60) and the sealing clamping groove (53) are matched with each other, and the water baffle (60) and the sealing clamping groove (53) are consistent in thickness.

6. A water resistant bearing according to claim 2 wherein: the drying agent (55) specifically adopts activated carbon particles.

7. The water resistant bearing of claim 1 wherein: the sealing ring (50), the outer lip plate (51) and the inner lip plate (52) are of an integrally formed structure.