Rubber sealing piece of automobile oil seal

Abstract

The utility model relates to the technical field of sealing elements, and discloses an automobile oil seal rubber sealing element which comprises a rubber outer ring, a rubber inner ring is fixedly installed on the inner wall of the rubber outer ring, the rubber outer ring and the rubber inner ring are integrally formed, an embedded groove is formed in the rubber outer ring, a supporting assembly is arranged in the embedded groove, and the supporting assembly is fixedly installed on the rubber outer ring. And a plurality of circles of annular buffer grooves are formed in the outer wall of the rubber outer ring. According to the utility model, a maintainer can incline a screwdriver to enable the end part of the screwdriver to move into the arc-shaped groove, the screwdriver forms a lever to warp out one of the support frames, and after all the support frames are disassembled, the maintainer can conveniently take out the rubber outer ring and the rubber inner ring from the mounting position.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealing element technical field especially relates to a car oil seal rubber sealing element. BACKGROUND

[0002] The car oil seal is one of the accessories with more use in the automobile maintenance, it is widely used in each part that the automobile needs lubrication and dustproof, is the important part that ensures the normal operation of the automobile, and the rubber sealing element is the core part in the car oil seal, and the advantages and disadvantages of the sealing effect directly depend on the sealing performance of the rubber sealing element.

[0003] In the prior art, in order to ensure the sealing effect of the car oil seal to the installation position, the rubber sealing element on the oil seal is usually made into interference fit with the installation position, needs to be installed into the corresponding position after the rubber sealing element appears deformation through external knocking, when the sealing performance of the car oil seal rubber sealing element becomes poor after using for a period of time, the rubber sealing element needs to be replaced after being disassembled by maintenance personnel, at this time, the rubber sealing element of interference fit usually needs to be disassembled with the aid of external tools, so that the disassembly process is more troublesome, and a lot of time is spent. UTILITY MODEL CONTENTS

[0004] The utility model mainly solves the technical problem that exists in the prior art, provides a car oil seal rubber sealing element.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme, a car oil seal rubber sealing element, including rubber outer ring, the inner wall of rubber outer ring is fixedly installed with rubber inner ring, the rubber outer ring and rubber inner ring are integrally formed, the inside of rubber outer ring is provided with embedded groove, the inside of embedded groove is provided with support assembly, and the outer wall of rubber outer ring is provided with multiple annularly arranged buffer grooves.

[0006] As preferred, the support assembly includes three support frames, the two ends of the support frame are provided with arc grooves, and the support frame is provided with through holes corresponding to the arc grooves.

[0007] As preferred, the support frame is arc-shaped, the three support frames are connected end to end to form a support assembly, and the support assembly is annularly arranged.

[0008] As preferred, the rubber outer ring is fixedly connected with a covering ring at the position corresponding to the support frame, and the covering ring covers the outer wall of the bottom surface of the rubber outer ring.

[0009] As preferred, the number of buffer grooves is not less than two, and the multiple buffer grooves are equidistantly arranged on the outer wall of the rubber outer ring.

[0010] Preferably, the arc-shaped slot and the through hole are both arc-shaped, and the inner diameter of the arc-shaped slot is 10-12 mm longer than the inner diameter of the support frame.

[0011] Advantages

[0012] The utility model provides a kind of automobile oil seal rubber sealing element. With following advantages:

[0013] (1) the automobile oil seal rubber sealing element, maintenance personnel can be inclined by screwdriver to make its end part move to the inside of arc-shaped slot, and the screwdriver forms lever to lift one of the support frames, when all support frames are disassembled, maintenance personnel can conveniently take out rubber outer ring and rubber inner ring from installation position.

[0014] (2) the automobile oil seal rubber sealing element, when rubber outer ring and rubber inner ring are installed in corresponding position, the multiple buffering grooves opened on the outer wall of rubber outer ring are extruded, which can reduce the extrusion and deformation of sealing ring during installation, and relieve installation stress, and when rubber outer ring is extruded and deformed, the side wall of rubber outer ring forms multiple sealing parts on both sides of buffering groove, and buffering groove and multiple sealing parts jointly form multiple sealing effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the description of embodiments or prior art. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained without creative labor on the basis of the provided drawings.

[0016] The structures, proportions, sizes and the like shown in the specification are only used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and do not define the limiting conditions for the implementation of the utility model, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that the utility model can produce, should still fall within the scope of the technical content disclosed by the utility model.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the structure split of the support assembly and rubber outer ring of the utility model;

[0020] Figure 4The utility model discloses support frame structure schematic diagram shows that

[0021] Figure 5 The utility model discloses Figure 4 Partial close -up schematic drawing of A place in the middle.

[0022] Legend: 1, rubber outer ring;2, rubber inner ring;3, buffer groove;4, support assembly;401, support frame;402, arc slot;403, through -hole;5, cladding ring;6, inlay groove. Specific implementation

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] As Figures 1-5 The utility model discloses an automobile oil seal rubber seal, including rubber outer ring 1, the inner wall fixed mounting of rubber outer ring 1 has rubber inner ring 2, and rubber outer ring 1 and rubber inner ring 2 are integrally formed and set, and the inside of rubber outer ring 1 is provided with support assembly 4, and the outer wall of rubber outer ring 1 is provided with the buffer groove 3 of multiple ring shape settings;

[0025] When rubber outer ring 1 and rubber inner ring 2 are installed in the corresponding position, the multiple buffer grooves 3 on the outer wall of rubber outer ring 1 are extruded, which can reduce the extrusion and deformation of the sealing ring during installation, relieve installation stress, and when rubber outer ring 1 is extruded and deformed, the side wall of rubber outer ring 1 forms multiple sealing parts on both sides of the buffer groove 3, the buffer groove 3 and the multiple sealing parts jointly act, form multiple sealing effects, and the support assembly 4 arranged in the inside of rubber outer ring 1 can improve the structural strength of the whole rubber seal, and the support assembly 4 is in the inside of rubber outer ring 1, reacts on rubber outer ring 1 under the wrapping of rubber outer ring 1, so that rubber outer ring 1 always maintains the annular structure.

[0026] As Figure 5As shown, the support assembly 4 comprises three support frames 401, both ends of the support frame 401 are provided with an arc-shaped groove 402, and a through hole 403 is provided on the support frame 401 corresponding to the arc-shaped groove 402; the support assembly 4 is stably maintained in a ring shape under the covering effect of the rubber outer ring 1, ensuring the normal use effect of the sealing element, and the maintenance personnel can insert a screwdriver into the through hole 403 at the end of the support frame 401, and the screwdriver is inclined so that the end thereof is moved to the inside of the arc-shaped groove 402, and the maintenance personnel can use the screwdriver as a lever to lift one of the support frames 401, and after all the support frames 401 are removed, the maintenance personnel can conveniently remove the rubber outer ring 1 and the rubber inner ring 2 from the installation position.

[0027] As shown in Figure 3 , the support frame 401 is arc-shaped, and the three support frames 401 are connected end to end to form a support assembly 4, and the support assembly 4 is annularly arranged; the support assembly 4 is arranged inside the rubber outer ring 1, and the annularly arranged support assembly 4 makes the overall structure of the rubber outer ring 1 more stable and less likely to deform.

[0028] As shown in Figure 2 , the rubber outer ring 1 is fixedly connected with a covering ring 5 at a position corresponding to the support frame 401, and the covering ring 5 covers the outer wall of the bottom surface of the rubber outer ring 1; the thickness of the covering ring 5 is not greater than four millimeters, and the maintenance personnel can break the covering ring 5 by using a tool knife, and the covering ring 5 covers the outer wall of the lower end of the rubber outer ring 1, so that the support assembly 4 is stably arranged inside the rubber outer ring 1, and the multiple support frames 401 are stably arranged to form a ring-shaped whole.

[0029] As shown in Figure 1 , the number of the buffer grooves 3 is not less than two, and the multiple buffer grooves 3 are equidistantly arranged on the outer wall of the rubber outer ring 1; the specific number of the buffer grooves 3 is determined by the thickness of the rubber outer ring 1, the thicker the thickness of the rubber outer ring 1, the more the number of the buffer grooves 3, and vice versa.

[0030] As shown in Figure 5 , the arc-shaped groove 402 and the through hole 403 are both arc-shaped, and the inner diameter of the arc-shaped groove 402 is ten to twelve millimeters longer than the inner diameter of the support frame 401; the arc-shaped groove 402 is below the through hole 403, which forms a space for the end of the screwdriver to move into the arc-shaped groove 402, so that the maintenance personnel can use the screwdriver to lift one end of the support frame 401, thereby facilitating the disassembly of the support frame 401.

[0031] The utility model discloses a working principle: in use, to guarantee the sealing effect, usually automobile oil seal rubber sealing element and corresponding installation position are interference fit, when rubber outer ring 1 and rubber inner ring 2 are installed in corresponding position after, the multiple buffering grooves 3 of being set up on the outer wall of rubber outer ring 1 are extruded after, can be used for reducing the extrusion and deformation that sealing ring is received in the installation process, relieve installation stress, simultaneously, when rubber outer ring 1 is extruded and deformed after, the lateral wall of rubber outer ring 1 is located and forms multiple sealing parts on the both sides of buffering groove 3, buffering groove 3 and multiple sealing parts common effect, form multiple sealing effect, after rubber outer ring 1 and rubber inner ring 2 are used for a long time and are aged, the sealing property is bad, and maintenance personnel can use tool knife and the like and break the cladding ring 5, when cladding ring 5 is broken after, the support assembly 4 of being arranged in the inner embedded groove 6 of rubber outer ring 1 is exposed, then maintenance personnel can insert screwdriver into the through hole 403 inside that support frame 401 end is set up, and the screwdriver is inclined to make its end part move to the inside of arc-shaped groove 402, and maintenance personnel can form lever and make one support frame 401 be tilted out through screwdriver, when all support frame 401 is all taken out after, maintenance personnel can conveniently take out rubber outer ring 1 and rubber inner ring 2 from installation position, then the user can install new automobile oil seal rubber sealing element on the car corresponding position after knocking and interference.

[0032] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The skilled person in the art should understand that the utility model is not limited to the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rubber seal for an automobile oil seal, comprising a rubber outer ring (1), an inner wall of the rubber outer ring (1) being fixedly provided with a rubber inner ring (2), characterized in that: The rubber outer ring (1) and the rubber inner ring (2) are integrally formed, the inside of the rubber outer ring (1) is provided with an embedded groove (6), the embedded groove (6) is provided with a support assembly (4), and the outer wall of the rubber outer ring (1) is provided with a plurality of annularly arranged buffer grooves (3).

2. The rubber seal for an automotive oil seal according to claim 1, characterized by: The support assembly (4) comprises three support frames (401), the two ends of the support frame (401) are provided with arc-shaped grooves (402), and the support frame (401) is provided with through holes (403) corresponding to the arc-shaped grooves (402).

3. A rubber seal for an automotive oil seal according to claim 2, wherein: The support frame (401) is arc-shaped, the three support frames (401) are connected end to end to form the support assembly (4), and the support assembly (4) is annularly arranged.

4. The rubber seal for an automotive oil seal of claim 3, wherein: The rubber outer ring (1) is fixedly connected with a covering ring (5) at a position corresponding to the support frame (401), and the covering ring (5) covers the outer wall of the bottom surface of the rubber outer ring (1).

5. A rubber seal for an automotive oil seal according to claim 4, wherein: The number of the buffer grooves (3) is not less than two, and the plurality of buffer grooves (3) are equidistantly arranged on the outer wall of the rubber outer ring (1).

6. A rubber seal for an automotive oil seal according to claim 5, wherein: The arc-shaped grooves (402) and the through holes (403) are arc-shaped, and the inner diameter of the arc-shaped groove (402) is 10-12 mm longer than the inner diameter of the support frame (401).

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