CN216975777U

CN216975777U - I-shaped rubber oil seal

Info

Publication number: CN216975777U
Application number: CN202220577963.8U
Authority: CN
Inventors: 吴德斌
Original assignee: CHANGZHOU RONGHE POLYMER MATERIAL TECHNOLOGY CO LTD
Current assignee: CHANGZHOU RONGHE POLYMER MATERIAL TECHNOLOGY CO LTD
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-07-15
Anticipated expiration: 2032-03-17

Abstract

The utility model discloses an I-shaped rubber oil seal, which relates to the technical field of oil sealing devices and comprises a support frame and an oil seal body, wherein the oil seal body is wrapped on the surface of the support frame, the support frame comprises a main support frame and a support ring, the support ring is clamped with the main support frame, the inner side wall of the oil seal body is respectively provided with a first main lip and a second main lip, the oil seal body is respectively provided with two self-locking springs at positions corresponding to the outer side walls of the first main lip and the second main lip, and the surface of the oil seal body is also integrally provided with a dustproof lip. The utility model has the advantages of convenient installation, good sealing effect and high structural strength by arranging the support ring, the anti-drop ring, the main support frame and the self-locking spring, and solves the problems of poor sealing effect of some rubber oil seals, easy deformation caused by low structural strength, leakage of lubricating oil at a transmission part, serious abrasion at the transmission part and low transmission efficiency.

Description

I-shaped rubber oil seal

Technical Field

The utility model relates to the technical field of oil sealing devices, in particular to an I-shaped rubber oil seal.

Background

An oil seal is a common name of a seal, namely a seal of lubricating oil, and is a mechanical element for sealing grease (oil is the most common liquid substance in a transmission system and also generally refers to a common liquid substance), and separates a part needing lubrication in a transmission part from a force-applying part so as not to allow the lubricating oil to leak.

Some current rubber oil seals can have sealed effect not good at the in-process that uses, because structural strength is low, causes the condition of easy deformation, and then has leaded to transmission part department lubricating oil to reveal, causes transmission part department wearing and tearing serious, causes the problem that transmission efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides an I-shaped rubber oil seal which has the advantages of convenience in installation, good sealing effect and high structural strength, and solves the problems that the existing rubber oil seals are poor in sealing effect in the using process, and the existing rubber oil seals are easy to deform due to low structural strength, so that lubricating oil at a transmission part is leaked, the transmission part is seriously abraded, and the transmission efficiency is low.

In order to realize the purposes of convenient installation, good sealing effect and high structural strength, the utility model provides the following technical scheme: the utility model provides a I shape rubber oil seal, includes support frame and oil blanket body, the surface at the support frame is wrapped up in to the oil blanket body, the support frame includes main support frame and support ring, support ring and main support frame joint, the inside wall of oil blanket body is provided with first main lip and second main lip respectively, the punishment of oil blanket body corresponding first main lip and second main lip lateral wall position do not is provided with two from locking spring, the surface of oil blanket body is still integrative takes shape and is provided with the dustproof lip.

In a preferred embodiment of the present invention, a fixing piece is integrally formed on a surface of the main bracket, and a surface of the fixing piece is connected to a surface of the support ring.

As a preferable technical scheme of the utility model, the surface of the fixing piece is integrally provided with a clamping protrusion, and the clamping protrusion is connected with an annular groove on the support ring.

As a preferable technical scheme of the utility model, the surface of the main support frame is integrally provided with supporting wedges, and the supporting wedges are uniformly distributed around the central axis of the oil seal body.

As a preferable technical scheme of the utility model, the surface of the support ring is fixedly connected with triangular blocks which are uniformly distributed around the central axis of the oil seal body.

As a preferable technical scheme of the utility model, the surface of the oil seal body is integrally provided with a slip-off preventing ring, and the surface of the slip-off preventing ring is movably connected with the surface of the self-locking spring.

As a preferable technical solution of the present invention, the inner side wall of the oil seal body is integrally formed with a seal lip, and the seal lip is located between the first main lip and the second main lip.

Compared with the prior art, the utility model provides an I-shaped rubber oil seal, which has the following beneficial effects:

1. this I shape rubber oil seal, through setting up first main lip, the second main lip, main support frame and support ring, support the oil blanket body through the support frame, can prevent that the oil blanket body from appearing warping, main support frame and support ring are convenient for install through the stationary blade simultaneously, high durability and convenient use, be convenient for generate, it is sealed effectual to have reached, dustproof effect has, some rubber oil seals that have now are at the in-process that uses have been solved, can have sealed effect not well, because structural strength is low, cause the condition of easy deformation, and then lead to transmission part department lubricating oil to reveal, it is serious to cause transmission part department wearing and tearing, cause the problem that transmission efficiency hangs down.

2. According to the I-shaped rubber oil seal, the supporting wedge block and the triangular block are arranged, the supporting wedge block can enhance the structural strength of the main support frame, and the triangular block can prevent the supporting ring from being extruded and deformed when the supporting ring is installed, so that the structural strength of the sealing piece is enhanced.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the fixing sheet of the present invention.

In the figure: 1. a support frame; 101. a main support frame; 102. a support ring; 2. an oil seal body; 3. a first major lip; 4. a second major lip; 5. a self-locking spring; 6. a dust lip; 7. a fixing sheet; 8. clamping the bulges; 9. supporting a wedge block; 10. a triangular block; 11. the anti-drop ring; 12. and (7) sealing the lip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the utility model discloses an i-shaped rubber oil seal, which comprises a support frame 1 and an oil seal body 2, wherein the oil seal body 2 is wrapped on the surface of the support frame 1, the support frame 1 comprises a main support frame 101 and a support ring 102, the support ring 102 is clamped with the main support frame 101, a first main lip 3 and a second main lip 4 are respectively arranged on the inner side wall of the oil seal body 2, two self-locking springs 5 are respectively arranged at positions of the oil seal body 2 corresponding to the outer side walls of the first main lip 3 and the second main lip 4, and a dust lip 6 is further integrally formed on the surface of the oil seal body 2.

Specifically, a fixing plate 7 is integrally formed on the surface of the main frame 101, and the surface of the fixing plate 7 is connected with the surface of the support ring 102.

In this embodiment, the fixing pieces 7 are uniformly distributed on the surface of the main support frame 101 around the central axis of the oil seal body 2, when the support ring 102 is installed, the thin side of the support ring 102 is butted with the main support frame 101, and then the fixing pieces 7 are pressed to make the fixing pieces 7 tightly contact with the support ring 102, so that the support ring 102 is clamped by friction.

Specifically, the surface of the fixing piece 7 is integrally formed with a clamping protrusion 8, and the clamping protrusion 8 is connected with an annular groove on the support ring 102.

In this embodiment, the clamping protrusion 8 can be clamped with the annular groove on the support ring 102 to clamp the support ring, so as to further increase the friction force, so as to prevent the support ring 102 from falling off easily.

Specifically, the surface of the main support frame 101 is integrally formed with support wedges 9, and the support wedges 9 are uniformly distributed around the central axis of the oil seal body 2.

In this embodiment, the supporting wedge 9 is disposed at the inner side of the main bracket 101, and when the main bracket 101 is extruded, the supporting wedge 9 can support the main bracket 101 to increase the structural strength of the main bracket 101 and prevent deformation, thereby maintaining the shape of the oil seal body 2.

Specifically, the surface of the support ring 102 is fixedly connected with a triangular block 10, and the triangular blocks 10 are uniformly distributed around the central axis of the oil seal body 2.

In this embodiment, the triangular block 10 can enhance the structural strength of the support ring 102, and the triangular block 10 can prevent the support ring 102 from being deformed when the support ring 102 is pressed by the fixing piece 7.

Specifically, the surface of the oil seal body 2 is integrally provided with a slip-off preventing ring 11, and the surface of the slip-off preventing ring 11 is movably connected with the surface of the self-locking spring 5.

In this embodiment, the anti-drop ring 11 can limit the self-locking spring 5, and prevent the self-drop or dislocation, which leads to the deterioration of the sealing effect.

Specifically, the inner side wall of the oil seal body 2 is integrally formed with a sealing lip 12, and the sealing lip 12 is located between the first main lip 3 and the second main lip 4.

In this embodiment, the sealing lip 12 is located between the first main lip 3 and the second main lip 4, and can play a role of auxiliary sealing, so that the first main lip 3 or the second main lip 4 fails, and lubricating oil leaks.

The working principle and the using process of the utility model are as follows: when the self-locking seal structure is used, a rotating shaft penetrates through an oil seal body 2, under the action of a self-locking spring 5, a first main lip 3 and a second main lip 4 can be in close contact with the surface of the rotating shaft, a sealing lip 12 can play a role in auxiliary sealing, dust-proof lips 6 are symmetrically arranged on two sides of the oil seal body 2 and are inclined towards the direction far away from the oil seal body 2 and can be in contact with the surface of the rotating shaft to play a role in dust prevention, a falling-off preventing ring 11 can prevent the self-locking spring 5 from being dislocated in the installation or transfer process, when a main support frame 101 and a support ring 102 are assembled, one side of the support ring 102 with a thinner thickness is inserted between a fixing piece 7 and the main support frame 101, the fixing pieces 7 are uniformly distributed on the surface of the main support frame 101 around the central axis of the oil seal body 2, the fixing piece 7 is extruded, the fixing piece 7 is inclined towards the direction close to the support ring 102, and the surface of the fixing piece 7 is in close contact with the surface of the support ring 102, so as to clamp the support ring 102, the clamping protrusion 8 on the fixing plate 7 can contact with the annular groove on the support ring 102, so as to clamp the support ring 102 and prevent the support ring from falling off.

In conclusion, the I-shaped rubber oil seal solves the problems that in the use process of some existing rubber oil seals, the sealing effect is poor, the lubricating oil at the transmission part is leaked due to the fact that the structural strength is low and the deformation is easy to occur, the abrasion at the transmission part is serious, and the transmission efficiency is low due to the fact that the supporting ring 102, the anti-drop ring 11, the main support frame 101 and the self-locking spring 5 are arranged.

It should be noted that, in this document, terms such as "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 an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a I shape rubber oil seal, includes support frame (1) and oil blanket body (2), its characterized in that: the oil blanket body (2) parcel is on the surface of support frame (1), support frame (1) includes main support frame (101) and support ring (102), support ring (102) and main support frame (101) joint, the inside wall of oil blanket body (2) is provided with first main lip (3) and second main lip (4) respectively, oil blanket body (2) correspond first main lip (3) and second main lip (4) lateral wall position department and are provided with two from locking spring (5) respectively, the surface of oil blanket body (2) still integrative taking shape is provided with dustproof lip (6).

2. An i-shaped rubber oil seal according to claim 1, characterized in that: the surface of the main support frame (101) is integrally provided with a fixing plate (7), and the surface of the fixing plate (7) is connected with the surface of the support ring (102).

3. An i-shaped rubber oil seal according to claim 2, characterized in that: the surface of the fixing piece (7) is integrally formed and provided with a clamping protrusion (8), and the clamping protrusion (8) is connected with an annular groove in the support ring (102).

4. An i-shaped rubber oil seal according to claim 1, characterized in that: the surface of the main support frame (101) is integrally provided with supporting wedges (9), and the supporting wedges (9) are uniformly distributed around the central axis of the oil seal body (2).

5. An i-shaped rubber oil seal according to claim 1, characterized in that: the surface of the support ring (102) is fixedly connected with a triangular block (10), and the triangular block (10) is uniformly distributed around the central axis of the oil seal body (2).

6. An i-shaped rubber oil seal according to claim 1, characterized in that: the surface of the oil seal body (2) is integrally provided with an anti-drop ring (11), and the surface of the anti-drop ring (11) is movably connected with the surface of the self-locking spring (5).

7. An i-shaped rubber oil seal according to claim 1, characterized in that: the inner side wall of the oil seal body (2) is integrally formed and provided with a sealing lip (12), and the sealing lip (12) is located between the first main lip (3) and the second main lip (4).