CN219549598U

CN219549598U - Rubber sealing ring

Info

Publication number: CN219549598U
Application number: CN202321093097.6U
Authority: CN
Inventors: 高亦岚; 全诚豫; 朱成美
Original assignee: Guizhou Kerun Sealing Technology Co ltd
Current assignee: Guizhou Kerun Sealing Technology Co ltd
Priority date: 2023-05-09
Filing date: 2023-05-09
Publication date: 2023-08-18
Anticipated expiration: 2033-05-09

Abstract

The utility model relates to a rubber sealing ring, which comprises a middle ring, wherein the top end and the bottom end of the outer side wall of the middle ring are fixedly provided with outer rings, the inner wall of the middle ring is fixedly provided with an inner ring, the inner wall of the inner ring is fixedly provided with a wear-resistant lining, the inner wall of the wear-resistant lining is fixedly provided with a film layer, the outer side of the middle ring is provided with a lubricating groove, the outer side of the middle ring is provided with a sealing plug matched with the lubricating groove, and one side of the lubricating groove away from the sealing plug is provided with a lubricating hole penetrating through the inner ring and the wear-resistant lining. This rubber seal, it is outer lane and wear-resisting inside lining that often contacts with the object, and the intermediate ring then need not contact the object, does not receive the daily friction contact of inside and outside department rubber and the wearing and tearing problem that leads to, difficult wearing and tearing fracture through installing the thin layer at wear-resisting inside lining inner wall, will expose the lubrication hole of wear-resisting inside lining after the thin layer wearing and tearing, the inside lubrication medium of lubrication groove will flow to realize the effect of self-lubricating.

Description

Rubber sealing ring

Technical Field

The utility model relates to the technical field of rubber sealing rings, in particular to a rubber sealing ring.

Background

The rubber sealing ring is an annular cover formed by one or more parts, is fixed on one ferrule or gasket of the bearing and is contacted with the other ferrule or gasket or forms a narrow labyrinth gap, so that the sealing and leakage preventing effects are achieved; the application number is as follows: CN216589947U, named "a wear-resistant rubber seal ring" comprises a seal ring body, the inside joint of seal ring body has wear-resistant elastic ring, the surface coating of seal ring body has alumina ceramic coating, the outside coating of alumina ceramic coating has nano ceramic coating, the outside coating of nano ceramic coating has polyurethane fiber coating, the locating hole has been seted up in the front of this seal ring body, and the quantity of locating hole is four, and is annular setting.

The rubber sealing ring positioning hole is arranged at the outer rubber layer, so that the rubber is thinner at the position close to the positioning hole and is easier to break due to abrasion, and the rubber sealing ring is easy to lack of lubrication to accelerate aging speed and improve abrasion property; therefore, the existing requirements are not met, and a rubber sealing ring is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the rubber sealing ring which has the advantages of good wear resistance and the like.

In order to achieve the aim of good wear resistance, the utility model provides the following technical scheme: the utility model provides a rubber seal, includes middle circle, the equal fixed mounting in top and the bottom of the lateral wall of middle circle has the outer lane, the inner wall fixed mounting of middle circle has the inner circle, the inner wall fixed mounting of inner circle has wear-resisting inside lining, the inner wall fixed mounting of wear-resisting inside lining has the thin film layer, the lubrication groove has been seted up in the middle circle outside, the outside of middle circle is equipped with the shutoff with the lubrication groove adaptation, lubrication hole that runs through inner circle and wear-resisting inside lining has been seted up to one side that the lubrication groove kept away from the shutoff.

Further, the width of the outer ring is equal to the thickness of the inner ring, and the outer ring and the inner ring are made of the same material.

Further, the top and the bottom of the middle ring are provided with concave ring grooves, and a plurality of mounting holes are uniformly formed in one side of the two concave ring grooves opposite to each other.

Further, the lubrication grooves are provided with 4 and uniformly distributed on the outer side of the intermediate ring, and the lubrication grooves are positioned between the two outer rings.

Furthermore, the lubricating medium is filled in the lubricating groove, the sealing plug is in a shape of a Chinese character 'tu', and the thickness of the sealing plug is lower than the diameter depth of the lubricating groove.

Further, every lubrication groove is kept away from one side of sealing up and has all been seted up two lubrication holes, two lubrication holes distributes on the top and the bottom of lubrication groove inside wall.

Compared with the prior art, the utility model provides the rubber sealing ring, which has the following beneficial effects:

this rubber seal, it is outer lane and wear-resisting inside lining to constantly contact with the object, and the middle circle then need not contact the object, the mounting hole sets up at middle circle top and bottom, do not have any influence to outer lane and wear-resisting inside lining, do not receive the daily friction contact of inside and outside department rubber and the wearing and tearing problem that leads to, be difficult for wearing and tearing, thereby improved life, in addition, through at wear-resisting inside lining inner wall installation thin film layer, will expose the lubrication hole of wear-resisting inside lining after the thin film layer wearing and tearing, lubrication medium inside the lubrication groove will flow, thereby realize the effect of self-lubricating, and then make the follow-up wearability of whole rubber seal obtain further improvement.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged partial cross-sectional view of the present utility model;

FIG. 3 is a top view of the present utility model;

fig. 4 is a front view of the present utility model.

In the figure: 1. a middle ring; 2. an outer ring; 3. an inner ring; 4. a wear resistant liner; 5. a thin film layer; 6. a concave ring groove; 7. a mounting hole; 8. a lubrication groove; 9. sealing the plug; 10. lubrication holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a rubber sealing ring comprises a middle ring 1, wherein an outer ring 2 is fixedly arranged at the top end and the bottom end of the outer side wall of the middle ring 1, and an inner ring 3 is fixedly arranged on the inner wall of the middle ring 1.

The width of the outer ring 2 is equal to the thickness of the inner ring 3, and the outer ring 2 and the inner ring 3 are made of the same material.

The top and the bottom of the middle ring 1 are provided with concave ring grooves 6, and one side of the two concave ring grooves 6 opposite to each other is uniformly provided with a plurality of mounting holes 7 for mounting screws.

The inner wall of the inner ring 3 is fixedly provided with a wear-resistant lining 4, and the wear-resistant lining 4 is an alumina ceramic lining for improving the wear resistance of the inner ring 3.

The outside of the middle ring 1 is provided with a lubrication groove 8, and the outside of the middle ring 1 is provided with a blocking plug 9 which is matched with the lubrication groove 8.

Wherein the lubrication grooves 8 are provided with 4 and evenly distributed on the outer side of the intermediate ring 1, the lubrication grooves 8 being located between the two outer rings 2.

Secondly, the lubricating groove 8 is internally filled with lubricating medium, the blocking plug 9 is in a shape of a convex, and the thickness of the blocking plug 9 is lower than the diameter depth of the lubricating groove 8.

The inner wall of the wear-resistant lining 4 is fixedly provided with a film layer 5, the film layer 5 is a polyethylene film, and the wear-resistant lining 4 can be leaked after the film layer 5 is damaged.

Two lubrication holes 10 are formed in one side, away from the sealing plug 9, of each lubrication groove 8, and the two lubrication holes 10 are distributed at the top end and the bottom end of the inner side wall of each lubrication groove 8. The lubricating medium can flow out no matter which face is downward, thereby realizing the purpose of automatic lubrication.

When the anti-friction lubricating device is used, the outer ring 2 and the wear-resistant lining 4 are in contact with objects frequently, the middle ring 1 does not need to be in contact with the objects, the mounting holes 7 are formed in the top and the bottom of the middle ring 1, no influence is caused on the outer ring 2 and the wear-resistant lining 4, the anti-friction lubricating device is not easy to wear and break due to daily friction contact of rubber at the inner and outer positions, the lubricating holes 10 of the wear-resistant lining are exposed after the thin film layer 5 is worn, and lubricating media in the lubricating grooves 8 flow out, so that an automatic lubricating effect is achieved.

The electrical components appearing herein are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device for controlling a computer and the like, and the prior art of power connection is not described in detail herein.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a rubber seal, includes middle circle (1), its characterized in that: the lubricating device is characterized in that the outer ring (2) is fixedly mounted at the top end and the bottom end of the outer side wall of the middle ring (1), the inner ring (3) is fixedly mounted on the inner wall of the middle ring (1), the wear-resistant lining (4) is fixedly mounted on the inner wall of the inner ring (3), the film layer (5) is fixedly mounted on the inner wall of the wear-resistant lining (4), the lubricating groove (8) is formed in the outer side of the middle ring (1), the sealing plug (9) matched with the lubricating groove (8) is arranged in the outer side of the middle ring (1), and the lubricating hole (10) penetrating through the inner ring (3) and the wear-resistant lining (4) is formed in one side, far away from the sealing plug (9), of the lubricating groove (8).

2. A rubber gasket according to claim 1, wherein: the width of the outer ring (2) is equal to the thickness of the inner ring (3), and the outer ring (2) and the inner ring (3) are made of the same material.

3. A rubber gasket according to claim 1, wherein: the top and the bottom of the middle ring (1) are provided with concave ring grooves (6), and a plurality of mounting holes (7) are uniformly formed in one side, opposite to the concave ring grooves (6).

4. A rubber gasket according to claim 1, wherein: the lubrication grooves (8) are arranged on the outer sides of the middle ring (1) in a uniformly distributed mode, and the lubrication grooves (8) are arranged between the two outer rings (2).

5. A rubber gasket according to claim 1, wherein: the lubricating groove (8) is internally filled with lubricating medium, the plugging plug (9) is in a shape like a Chinese character 'tu', and the thickness of the plugging plug (9) is lower than the diameter depth of the lubricating groove (8).

6. A rubber gasket according to claim 1, wherein: two lubrication holes (10) are formed in one side, far away from the sealing plug (9), of each lubrication groove (8), and the two lubrication holes (10) are distributed at the top end and the bottom end of the inner side wall of each lubrication groove (8).