CN114346657B - Special-structure oil seal assembly method - Google Patents
Special-structure oil seal assembly method Download PDFInfo
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- CN114346657B CN114346657B CN202111492082.2A CN202111492082A CN114346657B CN 114346657 B CN114346657 B CN 114346657B CN 202111492082 A CN202111492082 A CN 202111492082A CN 114346657 B CN114346657 B CN 114346657B
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- oil seal
- cantilever
- assembly
- assembly device
- self
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Sealing With Elastic Sealing Lips (AREA)
Abstract
The invention discloses an oil seal assembly method with a special structure, which comprises the following steps: 1) And taking down the self-tightening spring of the oil seal and sleeving the self-tightening spring on the cantilever. 2) The self-tightening spring slides downwards and passes through the variable diameter position where the annular steel ball groove is located. 3) The oil seal is sleeved on the cantilever, and the oil seal slides downwards and passes through the variable diameter position where the annular steel ball groove is located. 4) And loading the self-tightening spring into the oil seal. 5) The assembly device is sleeved on the cantilever, the lower surface of the assembly device is contacted with the annular bulge, and the oil seal moves downwards and is contacted with the upper surface of the assembly device. 6) And sleeving the support sleeve assembly on the cantilever from the upper end, and pressing the support sleeve assembly downwards until the oil seal is pressed into the corresponding installation position of the support sleeve assembly. 7) And (3) moving the support sleeve assembly pressed with the oil seal upwards by a set distance, and disassembling the two splicing pieces. 8) The support sleeve assembly is adjusted to the desired position. The method can effectively solve the problems that the oil seal lip is damaged, the self-tightening spring falls off and the like in the assembly process of the traditional assembly method.
Description
Technical Field
The invention relates to an oil seal assembly method with a special structure.
Background
The oil seal plays a role in sealing in the cantilever of the suspension system of the special vehicle, so that grease used by the cantilever is prevented from flowing out when the vehicle runs, and rainwater and dust outside the vehicle enter the cantilever to influence the service life of the cantilever.
The conventional assembly method of the oil seal is to firstly install the oil seal into the corresponding empty space of the non-rotating fixed part, and then to install the parts with the oil seal together to the corresponding shaft working position to complete the assembly. The cantilever structure design is characterized in that the cantilever structure is arranged on the shaft, and the cantilever structure is connected with the cantilever structure through the annular steel ball groove on the shaft, so that the oil seal is arranged on the shaft, and the oil seal is arranged on the cantilever structure.
Disclosure of Invention
The invention aims to provide an oil seal assembly method with a special structure, which solves the problems in the prior art.
The technical scheme adopted for realizing the purpose of the invention is that the oil seal assembly method with a special structure comprises the following steps:
1) And taking down the self-tightening spring of the oil seal and sleeving the self-tightening spring on the vertical cantilever. The cantilever is provided with annular protrusions and annular steel ball grooves which are coaxial with the cantilever, the annular protrusions and the annular steel ball grooves are arranged at intervals, and the annular protrusions are located below the annular steel ball grooves.
2) And the self-tightening spring slides downwards along the cantilever and passes through the diameter-changing position where the annular steel ball groove is located.
3) And the oil seal with the self-tightening spring removed is sleeved on the cantilever, and the oil seal slides downwards along the cantilever and passes through the reducing position where the annular steel ball groove is located.
4) And loading the self-tightening spring into an oil seal.
5) And sleeving the assembly device on the cantilever, wherein the lower surface of the assembly device is contacted with the annular bulge, and the oil seal moves downwards and is contacted with the upper surface of the assembly device. The assembly device is of a revolving body structure with a vertical axis, a central through hole penetrating through the upper surface and the lower surface of the assembly device is formed in the assembly device, the assembly device comprises two spliced pieces which are spliced with each other, and the two spliced pieces are formed by the assembly device in a bisection mode along the axis of the assembly device.
6) And sleeving the support sleeve assembly on the cantilever from the upper end, and pressing the support sleeve assembly downwards until the oil seal is pressed into the corresponding installation position of the support sleeve assembly.
7) And (3) moving the support sleeve assembly pressed into the oil seal upwards by a set distance, disassembling the two splicing pieces, and taking down the assembly device.
8) The support sleeve assembly is adjusted to a desired position.
Further, an annular flange is provided on a side wall of the assembly device.
The method has the advantages that the problems that the oil seal lip is damaged, the self-tightening spring falls off and the like in the assembly process of the traditional assembly method are solved, and the method is simple and convenient to operate, high in efficiency, good in assembly quality and good in assembly quality stability.
Drawings
FIG. 1 is a cross-sectional view of an assembly device;
FIG. 2 is a schematic view of a splice of an assembly device;
fig. 3 is a schematic view of an assembled state.
In the figure: the assembly device 1, the splicing element 101, the cantilever 2, the annular protrusion 201, the annular steel ball groove 202, the oil seal 3 and the support sleeve assembly 4.
Detailed Description
The present invention is further described below with reference to examples, but it should not be construed that the scope of the above subject matter of the present invention is limited to the following examples. Various substitutions and alterations are made according to the ordinary skill and familiar means of the art without departing from the technical spirit of the invention, and all such substitutions and alterations are intended to be included in the scope of the invention.
The embodiment discloses an oil seal assembly method with a special structure, which comprises the following steps:
1) The self-tightening spring of the oil seal 3 is taken down and sleeved on the vertical cantilever 2. Wherein, the cantilever 2 is provided with an annular protrusion 201 and an annular steel ball groove 202 which are coaxial with the cantilever, the annular protrusion 201 and the annular steel ball groove 202 are arranged at intervals, and the annular protrusion 201 is positioned below the annular steel ball groove 202.
2) The self-tightening spring slides downwards along the cantilever 2 and passes through the diameter-changing position where the annular steel ball groove 202 is located.
3) The oil seal 3 from which the self-tightening spring is removed is sleeved on the cantilever 2, and the oil seal 3 slides downwards along the cantilever 2 and passes through the reducing position where the annular steel ball groove 202 is located.
4) The self-tightening spring is arranged in the oil seal 3.
5) Referring to fig. 3, the assembling apparatus 1 is fitted over the cantilever 2, the lower surface of the assembling apparatus 1 is in contact with the annular protrusion 201, and the oil seal 3 is moved downward and is in contact with the upper surface of the assembling apparatus 1. The assembly device 1 is a revolving body structure with a vertical axis, the assembly device 1 is provided with a central through hole penetrating through the upper surface and the lower surface of the revolving body structure, and the assembly device 1 comprises two splicing pieces 101 spliced with each other, wherein the two splicing pieces 101 are formed by the assembly device 1 in a bisection mode along the axis of the revolving body structure, as shown in fig. 2. The side wall of the assembly device 1 is provided with an annular flange, so that the assembly device is convenient to install and detach.
6) The supporting sleeve assembly 4 is sleeved on the cantilever 2 from the upper end, and the supporting sleeve assembly 4 is pressed downwards until the oil seal 3 is pressed into the corresponding installation position of the supporting sleeve assembly 4.
7) The support sleeve assembly 4 pressed with the oil seal 3 is moved upwards by a set distance, the two splicing pieces 101 are disassembled, and the assembly device 1 is taken down.
8) The support sleeve assembly 4 is adjusted to the desired position.
It should be noted that, according to the method of the embodiment, the oil seal 3 and the self-tightening spring are sequentially installed into the cantilever 2 after being separated, and then the self-tightening spring is installed into the oil seal 3 on the cantilever 2, so that the problems that the oil seal lip is damaged, the self-tightening spring falls off and the like in the assembly process of a conventional oil seal assembly method due to the special structure of the cantilever can be effectively solved, the assembly quality of a suspension system is improved, the assembly process is simple and convenient to operate, the efficiency is high, the quality is good, and the oil seal assembly process is ensured to be intact.
Claims (2)
1. The method for assembling the oil seal with the special structure is characterized by comprising the following steps of: the method comprises the following steps:
1) The self-tightening spring of the oil seal (3) is taken down and sleeved on the vertical cantilever (2); the cantilever (2) is provided with an annular protrusion (201) and an annular steel ball groove (202) which are coaxial with the cantilever, the annular protrusion (201) and the annular steel ball groove (202) are arranged at intervals, and the annular protrusion (201) is positioned below the annular steel ball groove (202);
2) The self-tightening spring slides downwards along the cantilever (2) and passes through the diameter-changing position where the annular steel ball groove (202) is positioned;
3) Sleeving an oil seal (3) from which the self-tightening spring is removed on the cantilever (2), wherein the oil seal (3) slides downwards along the cantilever (2) and passes through a variable diameter position where the annular steel ball groove (202) is positioned;
4) The self-tightening spring is arranged in an oil seal (3);
5) Sleeving the assembly device (1) on the cantilever (2), enabling the lower surface of the assembly device (1) to be in contact with the annular bulge (201), and enabling the oil seal (3) to move downwards and be in contact with the upper surface of the assembly device (1); the assembly device (1) is of a revolving body structure with a vertical axis, a central through hole penetrating through the upper surface and the lower surface of the assembly device (1) is formed in the assembly device (1), the assembly device (1) comprises two splicing pieces (101) which are spliced with each other, and the two splicing pieces (101) are formed by the assembly device (1) in a bisection mode along the axis;
6) Sleeving the support sleeve assembly (4) on the cantilever (2) from the upper end, and pressing the support sleeve assembly (4) downwards until the oil seal (3) is pressed into the corresponding installation position of the support sleeve assembly (4);
7) Moving the supporting sleeve component (4) pressed into the oil seal (3) upwards by a set distance, disassembling the two splicing pieces (101), and taking down the assembly device (1);
8) The support sleeve assembly (4) is adjusted to a desired position.
2. The method for assembling the oil seal with the special structure according to claim 1, wherein the method comprises the following steps: an annular flange is arranged on the side wall of the assembly device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111492082.2A CN114346657B (en) | 2021-12-08 | 2021-12-08 | Special-structure oil seal assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111492082.2A CN114346657B (en) | 2021-12-08 | 2021-12-08 | Special-structure oil seal assembly method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114346657A CN114346657A (en) | 2022-04-15 |
| CN114346657B true CN114346657B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111492082.2A Active CN114346657B (en) | 2021-12-08 | 2021-12-08 | Special-structure oil seal assembly method |
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| CN (1) | CN114346657B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1959008U (en) * | 1966-02-17 | 1967-04-20 | Cross Co | DEVICE FOR PRESSING A SEAL INTO A HOUSING. |
| US3357707A (en) * | 1964-07-10 | 1967-12-12 | Bristol Siddeley Engines Ltd | Shaft sealing systems |
| JP2010019331A (en) * | 2008-07-10 | 2010-01-28 | Nok Corp | Sealing device |
| CN203409709U (en) * | 2013-07-12 | 2014-01-29 | 广西玉柴机器股份有限公司 | Oil cylinder internally-arranged type oil seal assembling device |
| CN205184214U (en) * | 2015-12-11 | 2016-04-27 | 吉林文德孚科技有限公司 | Oil blanket cover spring assembly |
| CN208487208U (en) * | 2017-12-25 | 2019-02-12 | 浙江新昌振新密封件有限公司 | A kind of split type oil sealing |
| CN110614497A (en) * | 2019-09-18 | 2019-12-27 | 天永机械电子（太仓）有限公司 | Automatic press fitting and pressing depth measuring device for valve oil seal |
| CN210440573U (en) * | 2019-07-30 | 2020-05-01 | 重庆铁马工业集团有限公司 | Quick sealing device for oil tank through hole |
| CN213929429U (en) * | 2020-12-31 | 2021-08-10 | 陕西润泽橡胶制品有限公司 | Wheel hub oil seal positioning device |
-
2021
- 2021-12-08 CN CN202111492082.2A patent/CN114346657B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3357707A (en) * | 1964-07-10 | 1967-12-12 | Bristol Siddeley Engines Ltd | Shaft sealing systems |
| DE1959008U (en) * | 1966-02-17 | 1967-04-20 | Cross Co | DEVICE FOR PRESSING A SEAL INTO A HOUSING. |
| JP2010019331A (en) * | 2008-07-10 | 2010-01-28 | Nok Corp | Sealing device |
| CN203409709U (en) * | 2013-07-12 | 2014-01-29 | 广西玉柴机器股份有限公司 | Oil cylinder internally-arranged type oil seal assembling device |
| CN205184214U (en) * | 2015-12-11 | 2016-04-27 | 吉林文德孚科技有限公司 | Oil blanket cover spring assembly |
| CN208487208U (en) * | 2017-12-25 | 2019-02-12 | 浙江新昌振新密封件有限公司 | A kind of split type oil sealing |
| CN210440573U (en) * | 2019-07-30 | 2020-05-01 | 重庆铁马工业集团有限公司 | Quick sealing device for oil tank through hole |
| CN110614497A (en) * | 2019-09-18 | 2019-12-27 | 天永机械电子（太仓）有限公司 | Automatic press fitting and pressing depth measuring device for valve oil seal |
| CN213929429U (en) * | 2020-12-31 | 2021-08-10 | 陕西润泽橡胶制品有限公司 | Wheel hub oil seal positioning device |
Non-Patent Citations (1)
| Title |
|---|
| 骨架油封装配探讨;傅正勇;蔺习英;;专用汽车(第12期);36-37页 * |
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| Publication number | Publication date |
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| CN114346657A (en) | 2022-04-15 |
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