CN107314039B - Locking shaft sleeve mechanism - Google Patents
Locking shaft sleeve mechanism Download PDFInfo
- Publication number
- CN107314039B CN107314039B CN201710768498.XA CN201710768498A CN107314039B CN 107314039 B CN107314039 B CN 107314039B CN 201710768498 A CN201710768498 A CN 201710768498A CN 107314039 B CN107314039 B CN 107314039B
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- China
- Prior art keywords
- fixing pin
- shaft
- shaft sleeve
- inner ring
- bearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention provides a locking shaft sleeve mechanism which comprises a shaft, a shaft sleeve, a bearing inner ring, a bearing outer ring, balls and a fixing pin, wherein the upper surface of the fixing pin is flush with the bearing inner ring after being clamped in a groove, the fixing pin is provided with a gradient, the direction of the gradient is consistent with the rolling direction of the balls, and an adjusting bolt can be twisted into the first threaded hole from the second threaded hole and then is propped against the outer convex surface of an extrusion part. The invention starts the shaft to rotate, when the balls continuously pass through the extrusion part, part of the balls strike the front part of the fixing pin so as to push the fixing pin towards the groove, thereby locking the shaft sleeve, the bearing inner ring and the shaft through the shaft rotation.
Description
Technical Field
The invention relates to the field of bearing machinery, in particular to a locking shaft sleeve mechanism.
Background
In the mechanical field, the bearing inner sleeve and the shaft sleeve inner sleeve shaft drive the shaft sleeve and the balls to rotate together, the bearing outer ring is fixed on the box body, and the use mode is often to be in beneficial fit installation during design and installation, but the damage to parts is easy to cause.
Disclosure of Invention
The invention aims to solve the problems in the prior art by providing a locking shaft sleeve mechanism which rotates a locking shaft sleeve through a shaft, the shaft and a bearing.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the shaft sleeve locking mechanism comprises a shaft, a shaft sleeve, a bearing inner ring, a bearing outer ring, balls and a fixing pin, wherein a plurality of grooves are formed in the outer wall of the shaft, a plurality of first through holes corresponding to the grooves are formed in the shaft sleeve, second through holes corresponding to the first through holes are formed in the bearing inner ring, the balls are installed between the bearing inner ring and the bearing outer ring, the shaft sleeve is positioned between the bearing inner ring and the shaft, the wall thickness of the shaft sleeve is equal to or smaller than the shortest distance between the bearing inner ring and the shaft, the upper surface of the fixing pin is flush with the bearing inner ring after the fixing pin is clamped in the grooves, a gradient is arranged on the fixing pin, and the direction of the gradient on the slope is consistent with the rolling direction of the balls; the bearing outer ring is provided with a third perforation corresponding to the second perforation, an extruding part which is convex and concave is arranged in the third perforation, the third perforation is a first threaded hole, the bearing outer ring at the first threaded hole is provided with a mounting part with a second threaded hole, and an adjusting bolt can be twisted into the first threaded hole from the second threaded hole and then propped against the outer convex surface of the extruding part.
Further, the fixed pin includes integrated into one piece's first fixed pin and second fixed pin, have the breach between first fixed pin and the second fixed pin, be equipped with the fourth perforation on the second fixed pin, the fourth perforation right-most end has the step, a locating part is followed the fourth perforation stretches into the back left end follow the breach stretches into and passes tightly on first fixed pin, the right-hand member of locating part is equipped with spacing portion card on the step and with the slope on the fixed pin flushes.
Compared with the prior art, the invention has the following beneficial effects: the invention firstly installs the balls between the bearing outer ring and the bearing inner ring, then clamps the shaft sleeve on the bearing inner ring, aligns the first perforation with the second perforation, then inserts the fixing pin from the first perforation, then passes through the second perforation until the tail part of the fixing pin is flush with the inner wall of the shaft sleeve, the tail part of the fixing pin has radian corresponding to the arc surface of the inner wall of the shaft sleeve, when the tail part of the fixing pin is flush with the inner wall of the shaft sleeve, the end part of the fixing pin, into which the front part extends, penetrates out from the second perforation, the shortest distance between the front part of the fixing pin and two adjacent balls is approximately 0.5cm, simultaneously the front part of the fixing pin emerges from the outer surface of the bearing inner ring by 0.5 cm-1 cm, the depth of the groove is 0.5 cm-1 cm, when the tail of the fixed pin is flush with the inner wall of the shaft sleeve, the shaft is clamped into the inner ring of the shaft sleeve, the outer wall of the shaft is tightly attached to the outer wall of the shaft sleeve, then the shaft is started to rotate, the balls climb onto the slope of the fixed pin, before the shaft is rotated, the adjusting bolt is adjusted, the end part of the adjusting bolt presses the pressing part towards the shaft until the inner wall of the outer ring of the bearing is extruded, when the shaft starts to rotate, the balls are jacked towards the shaft direction to press when passing through the pressing part, when the balls continuously pass through the pressing part, part of the balls collide with the front part of the fixed pin to push the fixed pin towards the groove, when the pressing part protrudes out of the inner wall of the outer ring of the bearing, the balls press the inner pressing speed of the fixed pin inwards when rotating along with the inner ring of the bearing is faster, thereby the shaft sleeve, the bearing inner ring and the shaft are locked through the rotation of the shaft, and after the fixing pin is completely clamped into the groove, the front part of the fixing pin is always in the second perforation; when the shaft works normally, the rotation direction of the shaft enables the balls to be consistent along the slope upward direction of the fixed pin; after the ball rolling device is installed, the adjusting bolt is adjusted to enable the inner surface of the extrusion part to be flush with the inner wall of the outer ring of the bearing, so that the ball rolling is prevented from being influenced during normal operation.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural view of a locking bushing mechanism according to the present invention.
Fig. 2 is a partial cross-sectional elevation view of a locking bushing mechanism according to the present invention.
Fig. 3 is a side view, partially in cross-section, of a locking bushing mechanism according to the present invention.
Fig. 4 is a schematic structural view of a fixing pin according to the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present invention more clear and easy to understand, the present invention is further described below with reference to the accompanying drawings and the detailed description:
the invention provides a locking shaft sleeve mechanism, which comprises a shaft 1, a shaft sleeve 2, a bearing inner ring 3, a bearing outer ring 4, balls 5 and a fixed pin 6, wherein a plurality of grooves 11 are formed in the outer wall of the shaft 1, a plurality of first through holes 21 corresponding to the grooves 11 are formed in the shaft sleeve 2, a second through hole 31 corresponding to the first through holes 21 is formed in the bearing inner ring 3, the balls 5 are arranged between the bearing inner ring 3 and the bearing outer ring 4, the shaft sleeve 2 is positioned between the bearing inner ring 3 and the shaft 1, the wall thickness of the shaft sleeve 2 is equal to or smaller than the shortest distance between the bearing inner ring 3 and the shaft 1, the upper surface of the fixed pin 6 is flush with the bearing inner ring 3 after being clamped in the grooves 11, a gradient is formed in the fixed pin 6, and the direction of the gradient is consistent with the rolling direction of the balls 5; the bearing outer ring 4 is provided with a third through hole 42 corresponding to the second through hole 31, an extruding part 43 protruding outwards and recessed inwards is arranged in the third through hole 42, the third through hole 42 is a first threaded hole, the bearing outer ring 4 at the first threaded hole is provided with a mounting part 41 with a second threaded hole, and an adjusting bolt can be twisted into the first threaded hole from the second threaded hole and then is propped against the outer convex surface of the extruding part 43.
The invention firstly installs the balls between the bearing outer ring and the bearing inner ring, then clamps the shaft sleeve on the bearing inner ring, aligns the first perforation with the second perforation, then inserts the fixing pin from the first perforation, then passes through the second perforation until the tail part of the fixing pin is flush with the inner wall of the shaft sleeve, the tail part of the fixing pin has radian corresponding to the arc surface of the inner wall of the shaft sleeve, when the tail part of the fixing pin is flush with the inner wall of the shaft sleeve, the end part of the fixing pin, into which the front part extends, penetrates out from the second perforation, the shortest distance between the front part of the fixing pin and two adjacent balls is approximately 0.5cm, simultaneously the front part of the fixing pin emerges from the outer surface of the bearing inner ring by 0.5 cm-1 cm, the depth of the groove is 0.5 cm-1 cm, when the tail of the fixed pin is flush with the inner wall of the shaft sleeve, the shaft is clamped into the inner ring of the shaft sleeve, the outer wall of the shaft is tightly attached to the outer wall of the shaft sleeve, then the shaft is started to rotate, the balls climb onto the slope of the fixed pin, before the shaft is rotated, the adjusting bolt is adjusted, the end part of the adjusting bolt presses the pressing part towards the shaft until the inner wall of the outer ring of the bearing is extruded, when the shaft starts to rotate, the balls are jacked up to press towards the shaft when passing through the pressing part, when the balls continuously pass through the pressing part, part of the balls collide with the front part of the fixed pin, so that the fixed pin is pushed towards the groove, when the pressing part protrudes out of the inner wall of the outer ring of the bearing, the balls press the fixed pin inwards when rotating along with the inner ring of the bearing, the pressing speed is faster, thereby locking the shaft sleeve, the bearing inner ring and the shaft through the rotation of the shaft, and after the fixing pin is completely clamped into the groove, the front part of the fixing pin is always in the second perforation; when the shaft works normally, the rotation direction of the shaft enables the balls to be consistent along the slope upward direction of the fixed pin; after the ball rolling device is installed, the adjusting bolt is adjusted to enable the inner surface of the extrusion part to be flush with the inner wall of the outer ring of the bearing, so that the ball rolling is prevented from being influenced during normal operation.
As a specific embodiment, when the shaft 1 and the shaft sleeve 2 need to be dismounted, the shaft 1 reversely rotates, the fixing pin 6 comprises a first fixing pin 61 and a second fixing pin 62 which are integrally formed, a gap 63 is formed between the first fixing pin 61 and the second fixing pin 62, a fourth through hole 621 is formed in the second fixing pin 62, the rightmost end of the fourth through hole 621 is provided with a step, a limiting piece 7 extends from the fourth through hole 621 into the gap 63, then the left end extends into the first fixing pin 61 to be tightly fastened, and a limiting part 71 is arranged at the right end of the limiting piece 7 to be clamped on the step and is flush with the gradient on the fixing pin 6; when the shaft 1 rotates reversely, the adjusting bolt is adjusted to move outwards to enable the extruding part 43 to return to a natural state and to concave and convex outwards, at the moment, the ball 5 moves outwards when passing through the third perforation 42, when the shaft 1 is continuously rotated and the rotation speed is continuously increased, the fixing pin 6 obtains centrifugal force to swing outwards and then starts to separate from the groove 11, when the ball 1 is gradually separated from the groove, the ball 5 which rotates reversely impacts the first fixing pin 61, when the impact force is enough, the first fixing pin 61 is folded along the direction of the notch 63, and then the fixing pin 6 is finally completely separated from the groove 11 under the action of the centrifugal force.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (2)
1. A locking shaft sleeve mechanism which is characterized in that: the novel bearing comprises a shaft (1), a shaft sleeve (2), a bearing inner ring (3), a bearing outer ring (4), balls (5) and a fixing pin (6), wherein a plurality of grooves (11) are formed in the outer wall of the shaft (1), a plurality of first through holes (21) corresponding to the grooves (11) are formed in the shaft sleeve (2), second through holes (31) corresponding to the first through holes (21) are formed in the bearing inner ring (3), the balls (5) are arranged between the bearing inner ring (3) and the bearing outer ring (4), the shaft sleeve (2) is arranged between the bearing inner ring (3) and the shaft (1), the wall thickness of the shaft sleeve (2) is equal to or smaller than the shortest distance between the bearing inner ring (3) and the shaft (1), the upper surface of the fixing pin (6) is flush with the bearing inner ring (3) after being clamped in the grooves (11), and the fixing pin (6) is provided with a slope, and the slope direction on the slope is consistent with the rolling direction of the balls (5); the bearing outer ring (4) is provided with a third through hole (42) corresponding to the second through hole (31), an extruding part (43) which is convex and concave is arranged in the third through hole (42), the third through hole (42) is a first threaded hole, the bearing outer ring (4) at the first threaded hole is provided with a mounting part (41) with a second threaded hole, and an adjusting bolt can be twisted into the first threaded hole from the second threaded hole and then is propped against the outer convex surface of the extruding part (43);
when the tail of the fixing pin is level with the inner wall of the shaft sleeve during installation, the end part of the fixing pin, into which the front part of the fixing pin stretches, penetrates out of the second perforation, the shortest distance between the front part of the fixing pin and two adjacent balls is 0.5cm, meanwhile, the front part of the fixing pin protrudes out of the outer surface of the bearing inner ring by 0.5 cm-1 cm, and the depth of the groove is 0.5 cm-1 cm.
2. A locking bushing mechanism according to claim 1, wherein: the fixing pin (6) comprises a first fixing pin (61) and a second fixing pin (62) which are integrally formed, a gap (63) is formed between the first fixing pin (61) and the second fixing pin (62), a fourth through hole (621) is formed in the second fixing pin (62), a step is formed in the rightmost end of the fourth through hole (621), a limiting piece (7) stretches into the gap (63) from the left end of the fourth through hole (621) to stretch into and tightly adhere to the first fixing pin (61), and a limiting part (71) is arranged at the right end of the limiting piece (7) and clamped on the step and is flush with the slope on the fixing pin (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710768498.XA CN107314039B (en) | 2017-08-31 | 2017-08-31 | Locking shaft sleeve mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710768498.XA CN107314039B (en) | 2017-08-31 | 2017-08-31 | Locking shaft sleeve mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107314039A CN107314039A (en) | 2017-11-03 |
| CN107314039B true CN107314039B (en) | 2023-05-05 |
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ID=60176282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710768498.XA Active CN107314039B (en) | 2017-08-31 | 2017-08-31 | Locking shaft sleeve mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107314039B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203670465U (en) * | 2013-11-22 | 2014-06-25 | 松阳县勇翔弹簧有限公司 | Novel duplex bearing |
| CN203948470U (en) * | 2014-05-19 | 2014-11-19 | 合肥永威机械设备有限责任公司 | Bearing |
| CN204003998U (en) * | 2014-08-05 | 2014-12-10 | 宁波市镇海华磊轴承有限公司 | A kind of ball bearing of being convenient to installation |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003161327A (en) * | 2001-11-27 | 2003-06-06 | Nsk Ltd | Bearing unit |
| ITRM20030447A1 (en) * | 2003-09-30 | 2005-04-01 | Danieli Off Mecc | ROLLER SUPPORT DEVICE. |
| JP2005257028A (en) * | 2004-03-15 | 2005-09-22 | Nsk Ltd | Rolling bearing unit for swing arm, and magnetic disk drive apparatus |
| CN101922507A (en) * | 2010-09-21 | 2010-12-22 | 上海机床厂有限公司 | Rolling bearing device capable of eliminating play |
| CN203906568U (en) * | 2014-04-25 | 2014-10-29 | 台州市路桥区精达轴承厂 | Novel bearing |
| CN204082916U (en) * | 2014-08-05 | 2015-01-07 | 宁波市镇海华磊轴承有限公司 | A kind of new pattern rolling ball bearing |
| CN104500586A (en) * | 2014-12-17 | 2015-04-08 | 张素平 | Shaft sleeve structure convenient to repair and replace |
| CN204828278U (en) * | 2015-05-21 | 2015-12-02 | 宁波达奋精工轴承有限公司 | Locking moving axis holds |
| CN205136392U (en) * | 2015-11-18 | 2016-04-06 | 李史明 | Antifriction bearing convenient to installation |
| CN205173223U (en) * | 2015-12-08 | 2016-04-20 | 胡月明 | High precision bearing |
| CN105422642B (en) * | 2015-12-28 | 2018-08-28 | 南昌市新通新发实业有限公司 | A kind of bearing being easily installed |
| JP6184648B1 (en) * | 2016-03-01 | 2017-08-23 | 三菱電機株式会社 | Bearing unit and compressor |
| CN105626687B (en) * | 2016-03-14 | 2018-04-03 | 江苏理工学院 | Taper roller formula eliminates the protection device of rolling bearing inner ring footpath axial gap simultaneously |
| CN205780276U (en) * | 2016-05-16 | 2016-12-07 | 宁波市鄞州金鑫轴承五金有限公司 | A kind of high rotating speed bearing |
| CN106382303A (en) * | 2016-11-09 | 2017-02-08 | 安徽千禧精密轴承制造有限公司 | Adjustable bearing |
| CN206409527U (en) * | 2017-01-05 | 2017-08-15 | 惠州市艾普升数控机械有限公司 | A kind of bearing dustproof cover |
| CN207246255U (en) * | 2017-08-31 | 2018-04-17 | 重庆鲜王机械制造有限公司 | A kind of locking axle sleeve mechanism |
-
2017
- 2017-08-31 CN CN201710768498.XA patent/CN107314039B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203670465U (en) * | 2013-11-22 | 2014-06-25 | 松阳县勇翔弹簧有限公司 | Novel duplex bearing |
| CN203948470U (en) * | 2014-05-19 | 2014-11-19 | 合肥永威机械设备有限责任公司 | Bearing |
| CN204003998U (en) * | 2014-08-05 | 2014-12-10 | 宁波市镇海华磊轴承有限公司 | A kind of ball bearing of being convenient to installation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107314039A (en) | 2017-11-03 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20230418 Address after: 401329 Group 1, Hailong Village, Baishiyi Town, Jiulongpo District, Chongqing Applicant after: Chongqing ba'ou electromechanical Co.,Ltd. Address before: 400 000 Hojiawan No. 1, Baiyi Town, Jiulongpo District, Chongqing Applicant before: CHONGQING XIANWANG MACHINERY MANUFACTURING Co.,Ltd. |
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