CN2887537Y - Inner and outer rim puller for bearing - Google Patents
Inner and outer rim puller for bearing Download PDFInfo
- Publication number
- CN2887537Y CN2887537Y CN 200620100105 CN200620100105U CN2887537Y CN 2887537 Y CN2887537 Y CN 2887537Y CN 200620100105 CN200620100105 CN 200620100105 CN 200620100105 U CN200620100105 U CN 200620100105U CN 2887537 Y CN2887537 Y CN 2887537Y
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- Prior art keywords
- housing
- take
- bearing
- main body
- ring
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Abstract
The utility model provides a bearing inner and outer ring puller which belongs to the mechanical technology field. The utility model has solved the technical problems, like the complex device structure for detaching the bearing cover, the low working stability as well as narrow application scope of the existing device. The utility model comprises a cylinder main body which is pulled on a bolt at the center of the main body, wherein the bolt is connected to the main body through a screw. The end of the main body is fixedly connected with a cylinder sliding block seat, wherein the external diameter of the sliding block seat is somewhat less than the inner diameter of the bearing outer ring applied in the utility model, and the sliding block seat has a plurality of through holes which are provided with the sliding block seat. The coating of the main body is connected with a bushing, wherein the end of the bushing can be inserted into the sliding block seat and can make the sliding block of the sliding block seat protrude out of the external side of the sliding block seat. The utility model not only has high working stability, but also has the advantages of simple structure, easy manufacturing and low cost.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of manual teardown instrument, especially for a kind of puller of dismounting bearing inner race or outer ring.
Background technology
At present, in the flight-line maintenance operation, in the maintenance of particularly various vehicles, internal combustion engine, often run into the situation of damage of bearings.Because bearing is an interference fit with axle or bearing block, with the bearing removal comparison difficulty that goes out just to seem, and the dismounting effect is often bad.After for example bearing inner race and ball being dismantled, also remaining bearing outer ring is connected in the bearing block, so just causes very big inconvenience to maintenance work.
For axle inner ring or the outer ring that will be left disassembles, method commonly used adopts oxyacetylene metal-cutting exactly, after cutting again with its taking-up.Obviously, waste time and energy like this, but also can cause damage bearing block or axle.
For this reason, at the problems referred to above people utility model various instruments that can impaired bearing for convenience detach.Provide as Chinese patent 03246247.6 " a kind of bearing holder (housing, cover) provision for disengagement ", it comprises a sleeve, sleeve lateral wall is provided with several radial direction through hole 1, sleeve also is with the overcoat that the inboard has deep-slotted chip breaker outward, put outside this and have the through hole 2 that communicates with deep-slotted chip breaker, the aperture of through hole 2 is greater than the aperture of through hole 1.In the through hole 2 ball is housed, the ball diameter is greater than sleeve thickness, less than the aperture of through hole 1.In use with jacket casing on bearing inner sleeve, rotating jacket, make through hole 2 corresponding with through hole 1 position, ball in the through hole 2 just enters in the through hole 1 successively, and ball partly stretches out through hole 1, the extension of ball is stuck on the bearing inner sleeve, and pulling is connected the connecting plate of sleeve ends, bearing inner sleeve can be extracted.
As can be seen, time saving and energy saving when this provision for disengagement is used, and can not cause damage to axle.But, it be located at through hole 1 on the sleeve and the outer through hole 2 that puts must be through hole 2 greater than through hole 1, its processing request is loaded down with trivial details.
Simultaneously, ball easily blocks in the rotating jacket process, and causes provision for disengagement normally to use, and its functional reliability is not high.In addition, this provision for disengagement is merely able to dismantle the bearing inner race that is loaded on the axle, can't dismantle the bearing outer ring that is loaded in the bearing block.
Summary of the invention
The purpose of this utility model is at the existing the problems referred to above of existing bearing cover provision for disengagement, and a kind of device for drawing internal and outernal ring of bearing is provided, and makes it not only can dismantle bearing enclose easily, but also has characteristics simple in structure, that job stability is high.
The purpose of this utility model can realize by following technical proposal: a kind of device for drawing internal and outernal ring of bearing, comprise a columnar main body, be installed with a screw rod in main center, screw rod links by screw thread and main body, it is characterized in that, the end of the described main body columnar take-up housing that is being connected, its external diameter is slightly less than the internal diameter of the applied bearing outer ring of this puller, have several through holes on the take-up housing, slide block is housed in the through hole, be socketed with a lining outside described main body, the end of lining can be inserted in the described take-up housing, and can make the lateral surface of the slide block protrusion take-up housing in the take-up housing.
Above-mentioned device for drawing internal and outernal ring of bearing can be used for dismantling the outer ring of bearing.In use puller is put into bearing block, when the position of the annular groove on the through hole on the take-up housing and the bearing outer ring medial surface is corresponding, put down lining, lining extruding slide block skids off the slide block that is positioned at through hole laterally.Obviously, the slide block that part is stretched out through hole is located in the annular groove of bearing outer ring, and under the situation that lining is not pulled out, slide block just is stuck in the annular groove of bearing outer ring always, makes take-up housing and bearing outer ring form interaction relation.At this moment, rotating screw bolt, the inner roof pressure of screw rod is in bearing block.Like this, bearing block is given reaction force of screw rod, and this reaction force is passed on the bearing outer ring by this puller, and bearing outer ring is pulled out in bearing block.
In above-mentioned device for drawing internal and outernal ring of bearing, described take-up housing and main body are integral structure.Because main body and take-up housing integral structure are simple, therefore adopt such structure processing more convenient.
In above-mentioned device for drawing internal and outernal ring of bearing, described slide block is a ball, and the bore of described through hole at take-up housing lateral surface place is slightly less than the external diameter of ball.Make slide block in through hole, to slide by such structure, but can not in take-up housing, come off.
In above-mentioned device for drawing internal and outernal ring of bearing, through hole on the described take-up housing is the lateral surface that is uniformly distributed in take-up housing.Because when the dismounting bearing outer ring, the lateral surface of take-up housing is corresponding with the annular groove of bearing outer ring inboard.Therefore, through hole is located at the take-up housing lateral surface and is contacted with the annular groove of bearing outer ring with regard to helping slide block.
In above-mentioned device for drawing internal and outernal ring of bearing, the inner lateral surface of described lining is tapered.Structure by such helps the slide block of extruding, and slide block is slided to the through hole outside, stretches out through hole until Slipper.
In above-mentioned device for drawing internal and outernal ring of bearing, the inner of described screw rod has a wedge angle, and the outer end is regular hexagon.Operator's hand is pulled this hexagon position can drive the screw rod rotation easily, and makes the wedge angle of screw rod be butted on the bearing block.
A kind of device for drawing internal and outernal ring of bearing, comprise a columnar main body, be installed with a screw rod in main center, screw rod links by screw thread and main body, it is characterized in that, the end of described main body has a columnar take-up housing, its internal diameter is slightly larger than the external diameter of the applied bearing inner race of this puller, have several through holes on the take-up housing, slide block is housed in the through hole, be socketed with a lining outside described main body, the end of lining can slide into outside the described take-up housing, and can make the medial surface of the recessed take-up housing of slide block in the take-up housing.
Above-mentioned device for drawing internal and outernal ring of bearing can be used for dismantling the inner ring of bearing.In use puller is enclosed within the bearing inner race place that is loaded on the axle, when the through hole on the take-up housing is corresponding with the annular groove position on the bearing inner race lateral surface, mobile lining, lining extruding slide block slides slide block to the inside.Obviously, the part slide block that stretches out through hole is located in the annular groove of bearing inner race.Under the situation that lining is not pulled out, slide block just is stuck in the annular groove of bearing inner race always, makes take-up housing and bearing inner race form interaction relation.At this moment, rotating screw bolt, the inner roof pressure of screw rod is on axle.Like this, axle is given reaction force of screw rod, and this reaction force is passed on the bearing inner race by this puller, and bearing inner race is pulled out from axle.
In above-mentioned device for drawing internal and outernal ring of bearing, described take-up housing and main body are integral structure.Because main body and take-up housing integral structure are simple, therefore adopt such structure processing more convenient.
In above-mentioned device for drawing internal and outernal ring of bearing, described slide block is a ball, and the bore of described through hole at take-up housing medial surface place is slightly less than the external diameter of ball.Make slide block in through hole, to slide by such structure, but can not in slide block, come off.
In above-mentioned device for drawing internal and outernal ring of bearing, through hole on the described take-up housing is the medial surface that is uniformly distributed in take-up housing.Because when the dismounting bearing inner race, the medial surface of take-up housing is corresponding with the annular groove in the bearing inner race outside.Therefore, through hole is located at the take-up housing medial surface and is contacted with the annular groove of bearing inner race with regard to helping slide block.
In above-mentioned device for drawing internal and outernal ring of bearing, the inner of described screw rod has a wedge angle, and the outer end is regular hexagon.Operator's hand is pulled this hexagon position can drive the screw rod rotation easily, and makes the wedge angle of screw rod be butted on the bearing block.
Compared with prior art, device for drawing internal and outernal ring of bearing of the present utility model is stuck in the annular groove of bearing outer ring or inner ring by slide block, rotating screw bolt can remove the inside and outside circle of bearing the reaction force that screw rod applies by axle or bearing block from bearing block or axle again.Obviously, unloading process is time saving and energy saving, and operating efficiency is higher.
Simultaneously, ball can not come off in the through hole of take-up housing, and the tapered the inner of lining can push slide block reposefully and slide, and slide block can not block in sliding process.Therefore, dependability is higher.In addition, it only is made up of main body, screw rod, take-up housing, slide block and lining, and therefore, structure is simple, be easy to manufacturing, and cost is lower.
Description of drawings
Fig. 1 is the contour structures schematic diagram of first embodiment of device for drawing internal and outernal ring of bearing of the present utility model.
Fig. 2 is the cross-sectional view of the device for drawing internal and outernal ring of bearing drawing bearing outer ring among Fig. 1.
Fig. 3 is the contour structures schematic diagram of second embodiment of device for drawing internal and outernal ring of bearing of the present utility model.
Fig. 4 is the cross-sectional view of the device for drawing internal and outernal ring of bearing drawing bearing inner race among Fig. 3.
Among the figure, 1, main body; 2, screw rod; 21, wedge angle; 3, take-up housing; 31, through hole; 32, retaining edge; 4, slide block; 5, lining; 51, the inner; 6, bearing block; 7, axle; 8, bearing inner race; 9, bearing outer ring.
The specific embodiment
Embodiment one
As depicted in figs. 1 and 2, this device for drawing internal and outernal ring of bearing is used to dismantle the bearing outer ring 9 that is loaded in the bearing block 6, and it includes columnar main body 1, screw rod 2, take-up housing 3, slide block 4 and a lining 5.
The middle part of main body 1 has a screwed hole that runs through, and screw rod 2 is connected in this screwed hole.The inner of screw rod 2 is a wedge angle 21, and the outer end is regular hexagon.The regular hexagon portion that the operator can hand screw rod 2 outer ends comes rotating screw bolt 2.
The end of main body 1 take-up housing 3 that is being connected, take-up housing 3 is a cylindrical shape, in the present embodiment, for easy to process, main body 1 adopts integral structures with take-up housing 3.The lateral surface of take-up housing 3 evenly offers six through holes 31, and a slide block 4 all is housed in each through hole 31.In the present embodiment, what slide block 4 adopted is ball.
As shown in Figure 2, the bore of through hole 31 at take-up housing 3 lateral surface places is slightly less than the external diameter of ball 4.In addition, on the take-up housing 3 distance between the medial surface of through hole 31 and main body 1 outside less than the external diameter of slide block 4.By such structure, slide block 4 is limited in can not coming off in the through hole 31, but can slide in through hole 31.
As shown in Figure 2, there is the annular groove of one placement ball the inboard of bearing outer ring 9.When using this device for drawing internal and outernal ring of bearing, 3 parts of the take-up housing on the puller are put into bearing block 6, the through hole 31 on take-up housing 3 and the annular groove of bearing outer ring 9 put down lining 5 at once, and lining 5 is fallen on the take-up housing 3.Obviously, slide block 4 is pushed in its taper the inner 51 of 5 times backwardnesss of lining, and six slide blocks 4 are all slided laterally.Slide block 4 parts after the slip are stretched out through hole 31 outsides, and the extension of slide block 4 is arranged in the annular groove of bearing outer ring 9.At this moment, rotating screw bolt 2, when the wedge angle of screw rod 2 the inners was against bearing block 6 bottoms, bearing block 6 was given 2 one reaction forces of screw rod, and this reaction force is passed on the bearing outer ring 9 by this puller, and bearing outer ring 9 is pulled out in bearing block 6.
Embodiment two
Present embodiment is basic identical with principle and the structure of embodiment one, and different place is the external diameter that the bore of through hole 31 at take-up housing 3 medial surfaces and lateral surface place is slightly less than ball.Lining 5 directly is enclosed within take-up housing 3 outsides, in the present embodiment, comes off in order to prevent lining 5, be provided with in the bottom of take-up housing 6 stop lining 5 together retaining along 32.
In use, take-up housing 3 is enclosed within on the bearing inner race 8.When through hole 31 is corresponding with the annular groove on the bearing inner race 8, put down lining 5.Lining 5 extruding slide blocks 4 make slide block 4 parts stretch out through hole 31 inboards, and the slide block 4 that part is stretched out is stuck in the annular groove of bearing inner race 8.At this moment, rotating screw bolt 2, when the wedge angle of screw rod 2 the inners was against on the axle 7, axle 7 was given 2 one reaction forces of screw rod, and this reaction force is passed on the bearing inner race 8 by this puller, thereby bearing inner race 8 is pulled out from axle 7.
Claims (10)
1, a kind of device for drawing internal and outernal ring of bearing, it comprises a columnar main body (1), be installed with a screw rod (2) at main body (1) center, screw rod (2) links by screw thread and main body (1), it is characterized in that, the end of described main body (1) the columnar take-up housing (3) that is being connected, its external diameter is slightly less than the internal diameter of the applied bearing outer ring of this puller (9), have several through holes (31) on the take-up housing (8), slide block (4) is housed in the through hole (31), outside described main body (1), be socketed with a lining (5), the end of lining (5) can be inserted in the described take-up housing (3), and can make the lateral surface of slide block (4) the protrusion take-up housing (3) in the take-up housing (3).
2, device for drawing internal and outernal ring of bearing according to claim 1 is characterized in that, described take-up housing (3) is an integral structure with main body (1).
3, device for drawing internal and outernal ring of bearing according to claim 1 and 2 is characterized in that, described slide block (4) is a ball, and the bore of described through hole (31) at take-up housing (3) lateral surface place is slightly less than the external diameter of ball.
4, device for drawing internal and outernal ring of bearing according to claim 3 is characterized in that, through hole (31) on the described take-up housing (3) is the lateral surface that is uniformly distributed in take-up housing (3).
5, device for drawing internal and outernal ring of bearing according to claim 1 and 2 is characterized in that, the inner lateral surface of described lining (5) is tapered.
6, device for drawing internal and outernal ring of bearing according to claim 1 and 2 is characterized in that, the inner of described screw rod (2) has a wedge angle (21), and the outer end is regular hexagon.
7, a kind of device for drawing internal and outernal ring of bearing, it comprises a columnar main body (1), be installed with a screw rod (2) at main body (1) center, screw rod (2) links by screw thread and main body (1), it is characterized in that, the end of described main body (1) has a columnar take-up housing (3), its internal diameter is slightly larger than the external diameter of the applied bearing inner race of this puller (8), have several through holes (31) on the take-up housing (3), slide block (4) is housed in the through hole (31), outside described main body (1), be socketed with a lining (5), the end of lining (5) can slide into outside the described take-up housing (3), and can make the medial surface of the recessed take-up housing (3) of slide block (4) in the take-up housing (3).
8, device for drawing internal and outernal ring of bearing according to claim 7 is characterized in that, described take-up housing (3) is an integral structure with main body (1).
According to claim 7 or 8 described device for drawing internal and outernal ring of bearing, it is characterized in that 9, described slide block (4) is a ball, the bore of described through hole (31) at take-up housing (3) medial surface place is slightly less than the external diameter of ball.
10, device for drawing internal and outernal ring of bearing according to claim 9 is characterized in that, through hole (31) on the described take-up housing (3) is the medial surface that is uniformly distributed in take-up housing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620100105 CN2887537Y (en) | 2006-01-04 | 2006-01-04 | Inner and outer rim puller for bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620100105 CN2887537Y (en) | 2006-01-04 | 2006-01-04 | Inner and outer rim puller for bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2887537Y true CN2887537Y (en) | 2007-04-11 |
Family
ID=38046112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620100105 Expired - Fee Related CN2887537Y (en) | 2006-01-04 | 2006-01-04 | Inner and outer rim puller for bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2887537Y (en) |
Cited By (4)
| 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 |
| CN103395041A (en) * | 2013-06-25 | 2013-11-20 | 吴江市黎里建兴铸件厂 | Bearing puller |
| CN103737548A (en) * | 2014-01-14 | 2014-04-23 | 安徽江淮汽车股份有限公司 | Press-fitting device for annular parts |
| CN107984427A (en) * | 2017-12-01 | 2018-05-04 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of aero-engine is with disassembling bushing device and application method in blind hole |
-
2006
- 2006-01-04 CN CN 200620100105 patent/CN2887537Y/en not_active Expired - Fee Related
Cited By (5)
| 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 |
| CN103395041A (en) * | 2013-06-25 | 2013-11-20 | 吴江市黎里建兴铸件厂 | Bearing puller |
| CN103737548A (en) * | 2014-01-14 | 2014-04-23 | 安徽江淮汽车股份有限公司 | Press-fitting device for annular parts |
| CN103737548B (en) * | 2014-01-14 | 2015-05-27 | 安徽江淮汽车股份有限公司 | Press-fitting device for annular parts |
| CN107984427A (en) * | 2017-12-01 | 2018-05-04 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of aero-engine is with disassembling bushing device and application method in blind hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070411 Termination date: 20110104 |