CN114294335B - Steady tension bearing snap ring - Google Patents
Steady tension bearing snap ring Download PDFInfo
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- CN114294335B CN114294335B CN202111642204.1A CN202111642204A CN114294335B CN 114294335 B CN114294335 B CN 114294335B CN 202111642204 A CN202111642204 A CN 202111642204A CN 114294335 B CN114294335 B CN 114294335B
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- groove
- bearing
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Abstract
The invention discloses a tension-stabilizing bearing snap ring, which comprises: the device comprises a ring body, a first permanent magnet, a second permanent magnet, a guide groove, a limiting ring, a guide ring, a sewage discharge groove, a screw and an adjusting block. Compared with the prior art, the invention adopts two permanent magnets to generate tension to the ring body, and solves the problem of low service life caused by fatigue of the spring or a mechanical locking part after long-time stress when the ring body is locked by adopting a spring or a mechanical mode in the prior art. Meanwhile, the permanent magnet magnetic force can be reasonably arranged according to the stress working condition of the ring body, so that the stability and the safety of the installation of the ring body can be improved.
Description
Technical Field
The invention belongs to the field of bearings, and particularly relates to a tension-stabilizing bearing snap ring and an installation method thereof.
Background
Rolling or sliding bearings are typically mounted on a shaft or bearing housing, and it is often necessary to axially locate the bearing. In the prior art, the axial direction of the bearing can adopt complete fixing modes such as thread fixing and the like, namely, the outer ring or the inner ring of the bearing is axially positioned, and the installation mode has higher requirements on processing parts and is unbalanced in stress. Therefore, in the prior art, incomplete positioning is adopted more, namely, a semi-open type snap ring is adopted to be fixed in the clamping groove, so that the axial positioning of the bearing is realized. In the incomplete positioning mode, due to the machining precision of the clamping ring, the clamping groove and the bearing, a gap is easy to exist between the clamping ring and the bearing, and the gap can cause the bearing to possibly move axially in the working process. Meanwhile, in the above positioning method, a spring or a mechanical method is generally used to lock the snap ring, and since the spring or the mechanical locking part is in a stressed state for a long time, the lock part may be fatigued, thereby reducing the service life of the spring or the mechanical locking part.
Disclosure of Invention
The invention aims to provide a tension-stabilizing bearing snap ring which can be conveniently installed and detached, and meanwhile, the snap ring can form stable binding force between the snap ring and a clamping groove when being installed, so that the installation stability of the snap ring is improved, and the service life of the snap ring is prolonged. Aiming at the problems, the novel design is carried out on the basis of the original double-lug clamping ring.
In order to achieve the purpose, the technical scheme adopted by the invention for solving the technical problems is as follows: a stable tension bearing snap ring, comprising: the device comprises a ring body, a permanent magnet I, a guide groove, a permanent magnet II, a limiting ring, a guide ring, a sewage discharge groove, a screw and an adjusting block;
a threaded hole is formed in the left side of the ring body, a screw rod is connected with the threaded hole in a threaded manner, a polished rod is arranged at the upper part of the screw rod, a plurality of adjusting blocks are sleeved on the polished rod part of the screw rod, a groove is formed in the left side of the permanent magnet I, the top of the screw rod is inserted into the groove, the guide groove is formed in the left end of the ring body, and a limiting ring is fixed on the inner side of the left end of the ring body;
the right-hand member of ring body is fixed with the guide ring, the guide ring left end is fixed with permanent magnet two, permanent magnet two with guide slot sliding connection, the stop ring is right the permanent magnet is spacing, the stop ring can hold the guide ring and get into in the guide slot, the axial cross section of ring body is the wedge, blowdown groove has been seted up to ring body side perpendicular, blowdown groove upper end contactless ring body, blowdown groove lower extreme link up the ring body outer loop.
The sewage discharge groove is communicated with the clamping groove. The ring body is installed in the clamping groove, an inclined plane is arranged on one side of the clamping groove, and a bearing is installed on the bearing seat.
The ring body is arranged in the clamping groove, the left side of the clamping groove is an inclined plane, the right side of the clamping groove is a vertical plane, a sewage discharge groove is formed in the vertical plane of the ring body, which is in contact with the bearing, and the sewage discharge groove is communicated with the clamping groove; the bearing is arranged on the bearing seat; the ring body is arranged in the clamping groove, and the permanent magnet are mutually arrangedRepulsive force of F Magnetic field Repulsive force F Magnetic field The tension generated to the ring body in the vertical direction is F Sheet of paper ，F Sheet of paper ≧F max -F s Wherein F max The maximum recoil force of the clamping groove to the ring body under the normal working condition of the ring body is F s The resultant force of the friction force of the clamping groove on the two side surfaces of the ring body in the vertical direction is obtained.
Preferably, the ring body is provided with anti-skidding line with the one side of draw-in groove contact, the one side of ring body 1 and bearing contact is provided with antifriction material.
Preferably, 8 radially-arranged sewage draining grooves can be uniformly formed in one side surface of the ring body 1.
Preferably, the ring body 1 and the clamping groove are in interference fit.
Preferably, the ratio of the axial width of the inner ring of the ring body 1 to the axial width of the outer ring of the ring body 1 is 2: 1.
preferably, the screw is made of a magnetic material.
Preferably, the number of the adjusting blocks is 1-3.
Compared with the prior art, the invention can bring unexpected technical effects at least comprising the following steps:
1. the invention tensions the ring body by the repulsive force generated by the two permanent magnets, and adopts the two permanent magnets to generate tension to the ring body, thereby solving the problem of low service life caused by fatigue due to long-time stress of a spring or a mechanical locking part when the ring body is locked by adopting a spring or a mechanical mode in the prior art.
2. The ring body is provided with the sewage draining groove, so that the problem that oil dirt and dust permeate into the bearing after the bearing is used for a long time can be effectively solved. Simultaneously, the draw-in groove of this application has two effects concurrently, can the joint ring body on the one hand, and on the other hand can be used for depositing the dirt that the blowdown groove got rid of. In the invention, the sewage draining groove is arranged on one side of the ring body, so that oil dirt and dust penetrating between the ring body and the bearing can be timely drained, and the bearing is prevented from being corroded.
3. The permanent magnet magnetic force can be reasonably set according to the stress working condition of the ring body, namely, the magnetic force is controlled by selecting and replacing a proper permanent magnet or increasing and decreasing the adjusting block, the tension required by the ring body can be accurately controlled, the stability and the safety of the installation of the ring body are greatly improved, and meanwhile, the cost can be saved.
4. The clamp is convenient to mount and dismount, the opening and closing adjusting process of the ring body is simple, and the problems that in the prior art, the clamp needs to be operated by one hand, the clamp ring needs to be stabilized by the other hand, the mounting is difficult and the like are solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is an overall structural view of a tension-stabilizing bearing snap ring of the present invention.
Fig. 2 is a sectional view of a mounting structure of a bearing snap ring in the present invention.
Fig. 3 is an enlarged view of a permanent magnet-mounting structure in the present invention.
FIG. 4 is a top view of a bearing snap ring of the present invention.
FIG. 5 is a cross-sectional view of another embodiment of the bearing snap ring mounting mechanism of the present invention.
In the figure, a ring body 1, a first permanent magnet 2, a guide groove 3, a second permanent magnet 4, a limiting ring 5, a guide ring 6, a clamping groove 7, a sewage discharge groove 8, a bearing 9, a bearing seat 10, a screw rod 11, an adjusting block 12 and a shaft 13.
Detailed Description
Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a steady tension bearing snap ring, the installation and the dismantlement of bearing snap ring of can being convenient for, simultaneously, can form the stable cohesion of snap ring and draw-in groove when this application snap ring installation, guarantee to improve the stability of snap ring installation and life-span. Aiming at the problems, the novel design is carried out on the basis of the original double-lug clamping ring.
In order to achieve the purpose, the technical scheme adopted by the invention for solving the technical problems is as follows: a stable tension bearing snap ring, comprising: the device comprises a ring body 1, a first permanent magnet 2, a guide groove 3, a second permanent magnet 4, a limiting ring 5, a guide ring 6 and a sewage draining groove 8.
The guide groove 3 is formed in the left end of the ring body 1, a limiting ring 5 is fixed on the inner side of the left end of the ring body 1, a permanent magnet I2 is fixed at the left end of the guide groove 3, a guide ring 6 is fixed at the right end of the ring body 1, a permanent magnet II 4 is fixed at the left end of the guide ring 6, the permanent magnet II 4 is in sliding connection with the guide groove 3, the limiting ring 5 limits the permanent magnet II 4, the axial cross section of the ring body 1 is wedge-shaped, a sewage discharge groove 8 is formed in the vertical surface, in contact with a bearing, of the ring body 1, the upper end of the sewage discharge groove 8 is not in contact with the inner ring of the ring body 1, and the lower end of the sewage discharge groove 8 penetrates through the outer ring of the ring body 1; the sewage draining groove 8 is communicated with the clamping groove 7.
The ring body 1 is arranged in a clamping groove 7, one side of the clamping groove 7 is an inclined plane, and a bearing 9 is arranged on a bearing seat 10.
The ring body 1 is arranged in a clamping groove 7, the left side of the clamping groove 7 is an inclined surface, the right side of the clamping groove 7 is a vertical surface, a sewage discharge groove 8 is formed in the vertical surface of the ring body 1, which is in contact with a bearing 9, and the sewage discharge groove 8 is communicated with the clamping groove 7; the bearing 9 is arranged on the bearing seat 10; the ring body 1 is arranged in the clamping groove 7, the permanent magnet I2 and the permanent magnet II 4 repel each other, and the repulsion force is F Magnetism Repulsive force F Magnetism The tension generated in the vertical direction to the ring body 1 is F Sheet of paper ，F Sheet of paper ≧F max -F s Wherein F max The maximum recoil force of the clamping groove to the ring body under the normal working condition of the ring body, F s The clamping grooves are combined with the friction force of the two side surfaces of the ring body in the vertical direction.
Preferably, the one side of ring body 1 and draw-in groove 7 contact is provided with anti-skidding line, the one side of ring body 1 and bearing contact is provided with antifriction material.
Preferably, 8 radially arranged sewage draining grooves 8 can be uniformly arranged on one side surface of the ring body 1.
Preferably, the ring body 1 and the clamping groove 7 are in interference fit.
Preferably, the ratio of the axial width of the inner ring of the ring body 1 to the axial width of the outer ring of the ring body 1 is 2: 1.
preferably, the screw is made of a magnetic material.
Preferably, the number of the adjusting blocks is 1-3.
In another embodiment of the present application, as shown in fig. 5, the tension-stabilizing bearing snap ring is mounted on the shaft 13, and the mounting structure is as follows: the ring body 1 is arranged in a clamping groove 7, the clamping groove 7 is arranged on a shaft 13, the left side of the clamping groove 7 is an inclined plane, the right side of the clamping groove 7 is a vertical plane, a sewage discharge groove 8 is formed in the vertical plane of the ring body 1, which is in contact with a bearing 9, and the sewage discharge groove 8 is communicated with the clamping groove 7; the ring body 1 is arranged in the clamping groove 7, the permanent magnet I2 and the permanent magnet II 4 attract each other, and the attraction force is F Suction device Attractive force F Suction device A tension F is generated to the ring body 1 in a vertical direction Sheet of paper ，F Sheet of paper ≧F max -F s Wherein F max The maximum recoil force of the clamping groove to the ring body under the normal working condition of the ring body, F s The resultant force of the friction force of the clamping groove on the two side surfaces of the ring body in the vertical direction is obtained.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, and is not to be construed as excluding other embodiments, and that the invention is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A stable tension bearing snap ring, comprising: the device comprises a ring body, a permanent magnet I, a guide groove, a permanent magnet II, a limiting ring, a guide ring, a sewage discharge groove, a screw and an adjusting block; a threaded hole is formed in the left side of the ring body, a screw rod is connected with the threaded hole in a threaded manner, a polished rod is arranged at the upper part of the screw rod, a plurality of adjusting blocks are sleeved on the polished rod part of the screw rod, a groove is formed in the left side of the permanent magnet I, the top of the screw rod is inserted into the groove, the guide groove is formed in the left end of the ring body, and a limiting ring is fixed on the inner side of the left end of the ring body; a guide ring is fixed at the right end of the ring body, a permanent magnet II is fixed at the left end of the guide ring, the permanent magnet II is connected with the guide groove in a sliding manner, the permanent magnet is limited by the limiting ring, the limiting ring can accommodate the guide ring into the guide groove, the axial cross section of the ring body is wedge-shaped, a sewage discharge groove is formed in the vertical surface of one side of the ring body, the upper end of the sewage discharge groove is not in contact with the inner ring of the ring body, and the lower end of the sewage discharge groove penetrates through the outer ring of the ring body; the ring body and the clamping groove are in interference fit.
2. A tension stabilizing bearing snap ring as set forth in claim 1, wherein: the ring body is provided with anti-skidding line with the one side of draw-in groove contact, the ring body is provided with antifriction material with the one side of bearing contact.
3. A stable tension bearing snap ring as defined in claim 2, wherein: one side of the ring body can be uniformly provided with 8 sewage discharge grooves which are arranged along the radial direction.
4. A tension stabilizing bearing snap ring as set forth in claim 3, wherein: the ratio of the axial width of the inner ring of the ring body 1 to the axial width of the outer ring of the ring body is 2: 1.
5. a method of installing a tension stabilising bearing snap ring according to any of claims 1 to 4, wherein: the ring body is arranged in the clamping groove, the left side of the clamping groove is an inclined plane, the right side of the clamping groove is a vertical plane, a sewage discharge groove is formed in the vertical plane of the ring body, which is in contact with the bearing, and the sewage discharge groove is communicated with the clamping groove; the clamping groove is arranged on the bearing seat, and the bearing is arranged on the bearing seat; the ring body is arranged in the clamping groove, the permanent magnets repel each other, and the repelling force is F Magnetism Repulsive force F Magnetism The tension generated to the ring body in the vertical direction is F, F Sheet of paper ≧F max -F s (ii) a Wherein F max The maximum recoil force of the clamping groove to the ring body under the normal working condition of the ring body is F s Is a clamping grooveResultant force of friction forces on two side surfaces of the ring body in the vertical direction.
6. The method for installing a stable tension bearing snap ring according to claim 5, wherein: the screw rod can be made of magnetic materials.
7. The method for installing a stable tension bearing snap ring according to claim 6, wherein: the number of the adjusting blocks is 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111642204.1A CN114294335B (en) | 2021-12-30 | 2021-12-30 | Steady tension bearing snap ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111642204.1A CN114294335B (en) | 2021-12-30 | 2021-12-30 | Steady tension bearing snap ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114294335A CN114294335A (en) | 2022-04-08 |
| CN114294335B true CN114294335B (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111642204.1A Active CN114294335B (en) | 2021-12-30 | 2021-12-30 | Steady tension bearing snap ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114294335B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004360720A (en) * | 2003-06-02 | 2004-12-24 | Ntn Corp | Bearing with rotation sensor |
| JP2010038254A (en) * | 2008-08-05 | 2010-02-18 | Jtekt Corp | Mounting structure for retaining ring and steering device for vehicle |
| KR20100064078A (en) * | 2008-12-04 | 2010-06-14 | 현대자동차주식회사 | Brush device of alternator in vehicle |
| CN202451611U (en) * | 2012-01-16 | 2012-09-26 | 浙江吉利汽车研究院有限公司 | Limiting mechanism of automobile transmission bearing |
| JP2014062573A (en) * | 2012-09-20 | 2014-04-10 | Nsk Ltd | Tapered snap ring |
| JP2015113849A (en) * | 2013-12-09 | 2015-06-22 | 日本精工株式会社 | Taper snap ring |
| CN205404895U (en) * | 2016-03-04 | 2016-07-27 | 河北志方通信设备有限公司 | Optical fiber connector fixes a position fast |
| DE102017200411A1 (en) * | 2017-01-12 | 2018-07-12 | Zf Friedrichshafen Ag | Mounting arrangement for fastening at least one component on a shaft |
| CN209671375U (en) * | 2019-02-28 | 2019-11-22 | 南京宝钻弹簧有限公司 | A kind of circlip for shaft |
| CN210715486U (en) * | 2019-10-31 | 2020-06-09 | 浙江卡环科技有限公司 | Can seal formula jump ring |
| CN111306168A (en) * | 2020-04-02 | 2020-06-19 | 舍弗勒技术股份两合公司 | Clamp spring, shaft assembly and bearing block assembly |
| CN210919723U (en) * | 2019-09-11 | 2020-07-03 | 温州市金文标准件厂 | Special-shaped piece vulcanization retainer ring |
| CN212564001U (en) * | 2020-07-02 | 2021-02-19 | 新昌县海林标准件有限公司 | Bearing clamp spring |
-
2021
- 2021-12-30 CN CN202111642204.1A patent/CN114294335B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004360720A (en) * | 2003-06-02 | 2004-12-24 | Ntn Corp | Bearing with rotation sensor |
| JP2010038254A (en) * | 2008-08-05 | 2010-02-18 | Jtekt Corp | Mounting structure for retaining ring and steering device for vehicle |
| KR20100064078A (en) * | 2008-12-04 | 2010-06-14 | 현대자동차주식회사 | Brush device of alternator in vehicle |
| CN202451611U (en) * | 2012-01-16 | 2012-09-26 | 浙江吉利汽车研究院有限公司 | Limiting mechanism of automobile transmission bearing |
| JP2014062573A (en) * | 2012-09-20 | 2014-04-10 | Nsk Ltd | Tapered snap ring |
| JP2015113849A (en) * | 2013-12-09 | 2015-06-22 | 日本精工株式会社 | Taper snap ring |
| CN205404895U (en) * | 2016-03-04 | 2016-07-27 | 河北志方通信设备有限公司 | Optical fiber connector fixes a position fast |
| DE102017200411A1 (en) * | 2017-01-12 | 2018-07-12 | Zf Friedrichshafen Ag | Mounting arrangement for fastening at least one component on a shaft |
| CN209671375U (en) * | 2019-02-28 | 2019-11-22 | 南京宝钻弹簧有限公司 | A kind of circlip for shaft |
| CN210919723U (en) * | 2019-09-11 | 2020-07-03 | 温州市金文标准件厂 | Special-shaped piece vulcanization retainer ring |
| CN210715486U (en) * | 2019-10-31 | 2020-06-09 | 浙江卡环科技有限公司 | Can seal formula jump ring |
| CN111306168A (en) * | 2020-04-02 | 2020-06-19 | 舍弗勒技术股份两合公司 | Clamp spring, shaft assembly and bearing block assembly |
| CN212564001U (en) * | 2020-07-02 | 2021-02-19 | 新昌县海林标准件有限公司 | Bearing clamp spring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114294335A (en) | 2022-04-08 |
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