CN2277862Y - Device for dismounting bearing - Google Patents
Device for dismounting bearing Download PDFInfo
- Publication number
- CN2277862Y CN2277862Y CN 96207698 CN96207698U CN2277862Y CN 2277862 Y CN2277862 Y CN 2277862Y CN 96207698 CN96207698 CN 96207698 CN 96207698 U CN96207698 U CN 96207698U CN 2277862 Y CN2277862 Y CN 2277862Y
- Authority
- CN
- China
- Prior art keywords
- bearing
- dismounting
- axle sleeve
- draw
- axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a device for dismounting a bearing. A drawing and dismounting shaft sleeve 2 is connected with a fixed sleeve 3 through an outer screw thread and is connected with a conical head shaft 1 through an inner screw thread. The head of the conical head shaft 1 forms a conical body, extends out from a round hole of the end head of the drawing and dismounting shaft sleeve 2, and is limited by a baffling ring 5. A plurality of small holes along the circumferential direction is arranged at the end part of the drawing and dismounting shaft sleeve 2, and rolling balls are arranged in the small holes. When the utility model works, the fixed sleeve 3 is butted on a bearing seat, and the drawing and dismounting shaft sleeve 2 is inserted in an inner loop of the bearing; the rolling ball 4 spreads to be bigger than the hole diameter of the inner loop of the bearing by rotating the cone moving shaft 1, and the bearing can be drawn out by using a wrench to rotate the drawing and dismounting shaft sleeve 2. The utility model has the advantages of simple structure, convenient operation, and safe and reliable works.
Description
The utility model relates to hand tools, especially a kind of stripping attachment that is used to dismantle bearing.
Ring and axle journal interference fit in the common mechanical middle (center) bearing, bearing outer ring cooperates for gently pressing or being slidingly matched with bearing block.The dismounting of this bearing has removal tool special.Be supporting with the axle during dismounting, bearing pulled out by external circulating application power.In the gearbox of automobile, first fore bearing outer shroud and bearing block are interference fit, and interior ring is a sliding fit with axle, need during repairing bearing is taken out from bearing block.The shaft bearing replacer that tradition is used can't use.Therefore, generally use iron rod to prize or with methods such as oxygen cuttings bearing is taken out to automobile gearbox, bearing, both time-consuming, effort is prone to accidents again.
The purpose of this utility model is that the problem at automobile gearbox bearing removal difficulty provides a kind of and is used for outer race and bearing block is the shaft bearing replacer of interference fit.
The utility model is achieved in that shaft bearing replacer comprises fixed cover, draws and unload axle sleeve, conehead axle.Draw and be shaped on internal thread and external screw thread on the inside and outside circle that unloads axle sleeve respectively, front end has a circular hole, and front end circumferentially has aperture, is placed with ball in the aperture.Draw and unload axle sleeve and link to each other with fixed cover, link to each other with the conehead axle by internal thread by external screw thread.The tapered body of the head of conehead axle, back-up ring is equipped with in the termination.Draw the other end that unloads axle sleeve to be shaped on two parallel planes, hexahedron or the tetragonal bodies of using for spanner.
During use, make fixed cover prop up the bearing block housing, to draw and unload in the axle sleeve insertion bearing inner race hole, rotate the conehead axle, ball is opened from drawing to unload the axle sleeve, and greater than axle sleeve inner ring aperture, rotate to draw with spanner then and unload axle sleeve, make to draw and unload the outwards motion of axle sleeve relative fixed cover, spur axle sleeve and drive bearing inner race by the ball on it this moment, and bearing is pulled out from bearing block.
The utility model has solved the dismounting problem of the bearing of outer ring and bearing block interference fit, has convenient disassembly, advantage such as time saving and energy saving, safe and reliable.
Fig. 1 is a structural map of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1.
The utility model is described in further detail below in conjunction with accompanying drawing:
Shaft bearing replacer comprises fixed cover 3, draws and unload axle sleeve 2, conehead axle 1.Draw and unload axle sleeve 2 and be connected with fixed cover 3, be connected with conehead axle 1 by internal thread by external screw thread.The head of conehead axle 1 is a bullet, and stretch out from draw the circular hole 6 that unloads axle sleeve 2 ends its termination, and when preventing to retreat with back-up ring 5 from circular hole 6 retraction draw and unload axle sleeve 2.Draw and unload axle sleeve 2 ends along circumferentially having a plurality of circular holes.Be placed with ball 4 in the circular hole.Draw and unload axle sleeve 2 rear portions and be shaped on two parallel planes cooperating with spanner or tetragonal body, hexahedron.
Claims (1)
1, a kind of shaft bearing replacer is characterized in that: comprise fixed cover, draw and unload axle sleeve, conehead axle; Draw and be shaped on internal thread and external screw thread on the inside and outside circle that unloads axle sleeve respectively, front end has a circular hole, and front end circumferentially has aperture, is placed with ball in the aperture; Draw and unload axle sleeve and link to each other with fixed cover, link to each other with the conehead axle by internal thread by external screw thread; The tapered body of the head of conehead axle, back-up ring is equipped with in the termination; Draw the other end that unloads axle sleeve to be shaped on two parallel planes, hexahedron or the tetragonal bodies of using for spanner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96207698 CN2277862Y (en) | 1996-04-19 | 1996-04-19 | Device for dismounting bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96207698 CN2277862Y (en) | 1996-04-19 | 1996-04-19 | Device for dismounting bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2277862Y true CN2277862Y (en) | 1998-04-08 |
Family
ID=33891922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96207698 Expired - Fee Related CN2277862Y (en) | 1996-04-19 | 1996-04-19 | Device for dismounting bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2277862Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1792559B (en) * | 2006-01-04 | 2012-10-17 | 张银根 | Device for drawing internal and outernal ring of bearing |
| CN103953768A (en) * | 2014-04-28 | 2014-07-30 | 贵阳安宝燃气防爆安全设备有限公司 | Special puller tool for superflow ring |
-
1996
- 1996-04-19 CN CN 96207698 patent/CN2277862Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1792559B (en) * | 2006-01-04 | 2012-10-17 | 张银根 | Device for drawing internal and outernal ring of bearing |
| CN103953768A (en) * | 2014-04-28 | 2014-07-30 | 贵阳安宝燃气防爆安全设备有限公司 | Special puller tool for superflow ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |