CN207309855U - A kind of stepped hole interior axle bearing outer-ring extracting tool - Google Patents
A kind of stepped hole interior axle bearing outer-ring extracting tool Download PDFInfo
- Publication number
- CN207309855U CN207309855U CN201721251453.7U CN201721251453U CN207309855U CN 207309855 U CN207309855 U CN 207309855U CN 201721251453 U CN201721251453 U CN 201721251453U CN 207309855 U CN207309855 U CN 207309855U
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- nut
- mandril
- bearing outer
- swollen
- swollen cylinder
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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
A kind of stepped hole interior axle bearing outer-ring extracting tool, belongs to hand-operated tools technical field, it includes mandril, the first nut, swollen cylinder, the second nut and sleeve；The mandril is with externally threaded cylinder, and the circular conical surface expanded outwardly is set in its lower end；First nut is equipped with mandril, and the first screw nut driven mechanism is formed by the first nut and mandril；The swollen jacket casing is outside mandril, one group is set in swollen cylinder lower end to coordinate the claw realized and expanded outwardly with mandril lower end circular conical surface, the external screw thread coordinated with the second nut is set on the outer wall of swollen cylinder, the second screw nut driven mechanism is formed by swollen cylinder and the second nut；The sleeve is sleeved on outside swollen cylinder.The utility model has the characteristics that simple in structure, easy to operate, efficiently avoid in bearing outer ring disassembly process the damage caused by rocker arm shaft bearing.
Description
Technical field
A kind of bearing extractor is the utility model is related to, especially a kind of stepped hole interior axle bearing outer-ring extracting tool, belongs to
In hand-operated tools technical field.
Background technology
A kind of bearing 1 on aircraft rocking arm as shown in Figure 1, bearing outer ring 1-1 is with interference fit type
In the stepped hole 2-1 of rocker arm shaft bearing 2., need to be by bearing 1 from bearing when carrying out maintenance to 1 part of bearing and replacing
Taken apart in seat 2, since bearing outer ring 1-1 by the transition shoulder of stepped hole 2-1 realizes axially position, bearing outer ring 1-1 is only
It can be extracted from major diameter one end of stepped hole 2-1.And when carrying out bearing outer ring 1-1 extraction operations, using traditional dismounting work
Tool easily causes to damage to rocker arm shaft bearing, it is therefore desirable to designs a kind of stepped hole interior axle bearing outer-ring extracting tool.
Utility model content
A kind of the purpose of this utility model is that drawback for the prior art, there is provided rank simple in structure, easy to operate
Terraced hole interior axle bearing outer-ring extracting tool, causes to damage to avoid in bearing outer ring disassembly process to rocker arm shaft bearing.
To achieve the above object, the utility model adopts the following technical solution：
A kind of stepped hole interior axle bearing outer-ring extracting tool, it includes mandril, the first nut, swollen cylinder, the second nut and sleeve；
The mandril is with externally threaded cylinder, and the circular conical surface expanded outwardly is set in its lower end；First nut and mandril
It is equipped, the first screw nut driven mechanism is formed by the first nut and mandril；The swollen jacket casing is outside mandril, under swollen cylinder
End, which sets one group, to coordinate the claw realized and expanded outwardly with mandril lower end circular conical surface, set and the second spiral shell on the outer wall of swollen cylinder
The external screw thread that mother coordinates, the second screw nut driven mechanism is formed by swollen cylinder and the second nut；The sleeve is sleeved on outside swollen cylinder
Face, in bearing outer ring disassembly process, sleeve is between bearing block and the second nut, by sleeve by the second nut axial compressive force
Bearing block is passed to, reverse support force is provided by bearing block.
Above-mentioned stepped hole interior axle bearing outer-ring extracting tool, the claw quantity is three, equal along swollen cylinder lower end outer circumference surface
Even arrangement.
Above-mentioned stepped hole interior axle bearing outer-ring extracting tool, is equipped between two neighboring claw and is used for realization claw and expands outwardly
Elastically-deformable axial direction slot.
Above-mentioned stepped hole interior axle bearing outer-ring extracting tool, the mandril top are equipped with the mandril coordinated with monkey wrench and clamp
Face；The tight face of swollen collet chuck coordinated with monkey wrench is equipped with the top of swollen cylinder.
Bearing outer ring is carried out using stepped hole interior axle bearing outer-ring extracting tool described in the utility model to separate with bearing block
During operation, the steel ball of bearing and bearing inner race can be removed first, then mandril is inserted into swollen cylinder, swollen cylinder and mandril are together put
Enter with bearing outer ring；Then, clamp mandril using monkey wrench and clamp face, screw the first nut, passed in the first feed screw nut
Under the effect of motivation structure, mandril is moved up, is strutted swollen cylinder claw by mandril lower end circular conical surface, by claw by bearing outer ring
Hold bottom surface；Installation sleeve simultaneously screws on the second nut outside swollen cylinder, and the swollen tight face of collet chuck is clamped with monkey wrench, slowly tightens the
Two nuts, make swollen cylinder move up at leisure by the second screw nut driven mechanism, until by bearing outer ring from rocker bearing
Extracted in seat, complete bearing outer ring dismounting operation.It can be seen from the above that the utility model have the characteristics that it is simple in structure, easy to operate,
It efficiently avoid the damage caused by rocker arm shaft bearing in bearing outer ring disassembly process.
Brief description of the drawings
Fig. 1 is bearing and rocker arm shaft bearing assembling structure schematic diagram；
Fig. 2 is stepped hole interior axle bearing outer-ring extracting tool structure diagram described in the utility model；
Fig. 3 is the cross-sectional view of Fig. 2；
Fig. 4 is push rod structure schematic diagram；
Fig. 5 is A-A cross-sectional views in Fig. 4；
Fig. 6 is stepped hole interior axle bearing outer-ring extracting tool operation principle schematic diagram described in the utility model.
Each list of reference numerals is in figure：
1st, bearing, 1-1, bearing outer ring, 1-2, bearing inner race, 1-3, steel ball；
2nd, bearing block；
3rd, dismounting tool for bearing outer ring, 3-1, mandril, 3-1-1, circular conical surface, 3-1-2, mandril clamp face, 3-2, the first spiral shell
Mother, 3-3, swollen cylinder, 3-3-1, claw, 3-3-2, slot, 3-3-3, the tight face of swollen collet chuck, 3-4, the second nut, 3-5, sleeve.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail.
Referring to Fig. 2, Fig. 3, Fig. 6, stepped hole interior axle bearing outer-ring extracting tool described in the utility model, including mandril 3-1,
First nut 3-2, swollen cylinder 3-3, the second nut 3-4 and sleeve 3-5；The mandril 3-1 is with externally threaded cylinder, at it
Lower end sets the circular conical surface 3-1-1 expanded outwardly, and the mandril coordinated with monkey wrench is equipped with the top of mandril 3-1 and clamps face 3-1-2；
The first nut 3-2 and mandril 3-1 is equipped with, and the first screw nut driven mechanism is formed by the first nut 3-2 and mandril 3-1；
The swollen cylinder 3-3 is sleeved on outside mandril 3-1, is set one group can coordinate with mandril lower end circular conical surface in swollen cylinder 3-3 lower ends and is realized
The top of the claw 3-3-1, swollen cylinder 3-3 that expand outwardly are equipped with the tight face 3-3-3 of swollen collet chuck coordinated with monkey wrench, in swollen cylinder 3-
The external screw thread coordinated with the second nut 3-4 is set on 3 outer wall, the second feed screw nut is formed by swollen cylinder 3-3 and the second nut 3-4
Transmission mechanism；The sleeve 3-5 is sleeved on outside swollen cylinder 3-3, and in bearing outer ring disassembly process, sleeve 3-5 is located at bearing block 2
Between the second nut 3-4, the second nut 3-4 axial compressive forces are passed to by bearing block 2 by sleeve 3-5, are provided by bearing block 2
Reverse support force.
Referring to Fig. 4, Fig. 5, stepped hole interior axle bearing outer-ring extracting tool described in the utility model, the claw 3-3-1 numbers
Measure as three, be evenly arranged along swollen cylinder 3-3 lower ends outer circumference surface, be equipped between two neighboring claw 3-3-1 and be used for realization card
Pawl expands outwardly elastically-deformable axial slot 3-3-2.
Referring to Fig. 6, using stepped hole interior axle bearing outer-ring extracting tool described in the utility model carry out bearing outer ring 1-1 with
During 2 detached job of bearing block, the steel ball 1-3 of bearing 1 and bearing inner race 1-2 can be removed first, then mandril 3-1 is inserted into swollen cylinder
In 3-3, swollen cylinder 3-3 and mandril 3-1 are together put into bearing outer ring 1-1；Then, clamp mandril using monkey wrench and clamp face
3-1-2, screws the first nut 3-2, under the effect of the first screw nut driven mechanism, moves up mandril 3-1, passes through mandril
3-1 lower ends circular conical surface 3-1-1 struts the claw 3-3-1 of swollen cylinder 3-3, is held in the palm the bottom surface of bearing outer ring 1-1 by claw 3-3-1
Firmly；Installation sleeve 3-5 simultaneously screws on the second nut 3-4 outside swollen cylinder 3-3, clamps the swollen tight face 3-3-3 of collet chuck with monkey wrench, slowly
Slowly the second nut 3-4 is tightened, swollen cylinder 3-3 is moved up at leisure by the second screw nut driven mechanism, until by bearing
Outer ring 1-1 is extracted from rocker arm shaft bearing 2, completes bearing outer ring dismounting operation.
Claims (4)
1. a kind of stepped hole interior axle bearing outer-ring extracting tool, it is characterized in that, the dismounting tool for bearing outer ring (3) includes mandril
(3-1), the first nut (3-2), swollen cylinder (3-3), the second nut (3-4) and sleeve (3-5)；The mandril (3-1) is with outer
The cylinder of screw thread, the circular conical surface (3-1-1) expanded outwardly is set in its lower end；First nut (3-2) and mandril (3-1)
It is equipped, the first screw nut driven mechanism is formed by the first nut (3-2) and mandril (3-1)；The swollen cylinder (3-3) is sleeved on top
Outside bar (3-1), set one group can coordinate the claw realized and expanded outwardly with mandril lower end circular conical surface in swollen cylinder (3-3) lower end
(3-3-1), sets the external screw thread coordinated with the second nut (3-4), by swollen cylinder (3-3) and second on the outer wall of swollen cylinder (3-3)
Nut (3-4) forms the second screw nut driven mechanism；The sleeve (3-5) is sleeved on outside swollen cylinder (3-3), in bearing outer ring
In disassembly process, sleeve (3-5) is located between bearing block (2) and the second nut (3-4), by sleeve (3-5) by the second nut
(3-4) axial compressive force passes to bearing block (2), and reverse support force is provided by bearing block (2).
2. stepped hole interior axle bearing outer-ring extracting tool according to claim 1, it is characterized in that, claw (3-3-1) number
Measure as three, be evenly arranged along swollen cylinder (3-3) lower end outer circumference surface.
3. stepped hole interior axle bearing outer-ring extracting tool according to claim 2, it is characterized in that, two neighboring claw (3-3-
1) it is equipped between and is used for realization claw and expands outwardly elastically-deformable axial slot (3-3-2).
4. stepped hole interior axle bearing outer-ring extracting tool according to claim 3, it is characterized in that, at the top of the mandril (3-1)
Face (3-1-2) is clamped equipped with the mandril coordinated with monkey wrench；The top of the swollen cylinder (3-3) is equipped with what is coordinated with monkey wrench
The swollen tight face of collet chuck (3-3-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721251453.7U CN207309855U (en) | 2017-09-27 | 2017-09-27 | A kind of stepped hole interior axle bearing outer-ring extracting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721251453.7U CN207309855U (en) | 2017-09-27 | 2017-09-27 | A kind of stepped hole interior axle bearing outer-ring extracting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207309855U true CN207309855U (en) | 2018-05-04 |
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ID=62428323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721251453.7U Active CN207309855U (en) | 2017-09-27 | 2017-09-27 | A kind of stepped hole interior axle bearing outer-ring extracting tool |
Country Status (1)
| Country | Link |
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| CN (1) | CN207309855U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050234A (en) * | 2018-09-10 | 2018-12-21 | 汽-大众汽车有限公司 | A kind of fixed device of power battery pack and automobile |
| CN109732535A (en) * | 2019-03-01 | 2019-05-10 | 江苏大亚铝业有限公司 | A kind of inner sleeve and dismounting tool for bearing outer ring and its application method |
| CN111390826A (en) * | 2020-04-30 | 2020-07-10 | 广西玉柴机器股份有限公司 | Tool for disassembling blind hole bearing |
| CN111890304A (en) * | 2020-08-12 | 2020-11-06 | 博深股份有限公司 | Bearing dismounting tool |
| CN112372580A (en) * | 2020-10-28 | 2021-02-19 | 冠县恒祥轴承制造有限公司 | Dismounting device for bearing in hole |
| CN114793550A (en) * | 2021-01-27 | 2022-07-29 | 内蒙古华德牧草机械有限责任公司 | Auxiliary device for replacing bearing of double-disc furrow opener |
-
2017
- 2017-09-27 CN CN201721251453.7U patent/CN207309855U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050234A (en) * | 2018-09-10 | 2018-12-21 | 汽-大众汽车有限公司 | A kind of fixed device of power battery pack and automobile |
| CN109732535A (en) * | 2019-03-01 | 2019-05-10 | 江苏大亚铝业有限公司 | A kind of inner sleeve and dismounting tool for bearing outer ring and its application method |
| CN111390826A (en) * | 2020-04-30 | 2020-07-10 | 广西玉柴机器股份有限公司 | Tool for disassembling blind hole bearing |
| CN111890304A (en) * | 2020-08-12 | 2020-11-06 | 博深股份有限公司 | Bearing dismounting tool |
| CN112372580A (en) * | 2020-10-28 | 2021-02-19 | 冠县恒祥轴承制造有限公司 | Dismounting device for bearing in hole |
| CN114793550A (en) * | 2021-01-27 | 2022-07-29 | 内蒙古华德牧草机械有限责任公司 | Auxiliary device for replacing bearing of double-disc furrow opener |
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