CN203343986U - Tool for extracting bearing in blind hole - Google Patents
Tool for extracting bearing in blind hole Download PDFInfo
- Publication number
- CN203343986U CN203343986U CN 201320369195 CN201320369195U CN203343986U CN 203343986 U CN203343986 U CN 203343986U CN 201320369195 CN201320369195 CN 201320369195 CN 201320369195 U CN201320369195 U CN 201320369195U CN 203343986 U CN203343986 U CN 203343986U
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- CN
- China
- Prior art keywords
- pulling body
- bearing
- nut
- blind hole
- screw rod
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- 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 - Lifetime
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Abstract
A tool for extracting a bearing in a blind hole is used for solving the extracting problem of bearings in blind holes of bearing seats of mechanical components. The tool comprises a pull body, a screw rod, a sleeve and a nut. The pull body is of a hollow cavity structure, the screw rod is assembled in the hollow cavity of the pull body, the pull body is sleeved with the sleeve and the nut, and the nut is connected with the outer wall of the pull body in a screwed mode. The tool has the advantages of being simple in structure and convenient to operate; the tool can be used for extracting the bearing in the blind hole quickly, work efficiency is obviously improved, and the inner wall of a bearing seat hole can be prevented from being damaged.
Description
Technical field
The utility model relates to a kind of bearing extractor, and especially a kind of extracting tool that is applicable to the blind hole middle (center) bearing, belong to the Manual disassembling tool technical field.
Background technology
General and the through hole mechanical component bearing block of bearing is assembled, but some special machine member by bearing press mounting in the bearing block of blind hole structure.To machinery maintenance the time, remove the bearing in blind hole, bearing must be polished into to two halves, so not only operation easier is large, expends man-hour long, but also easily mechanical component bearing saddle bore inwall is caused to damage.
The utility model content
The purpose of this utility model is the drawback for prior art, provide a kind of simple in structure, easy to operate, can be fast the blind hole middle (center) bearing be removed, can avoid again damaging the blind hole middle (center) bearing extracting tool of bearing saddle bore inwall.
Problem described in the utility model realizes with following technical proposals:
A kind of blind hole middle (center) bearing extracting tool, it comprises pulling body, screw rod, sleeve and nut, and described pulling body is cavity structure, and described screw rod is assemblied in the pulling body cavity, and at the sleeved and nut of pulling body outside cover, described nut and pulling body outer wall are spirally connected.
Above-mentioned blind hole middle (center) bearing extracting tool, uniform one group of opening elongated slot on described pulling body sidewall, pulling body front end outer surface is the circular arc working face mated with bearing inner wall, at the pulling body middle part, outer surface is provided with the pulling body external screw thread equipped with nut, the pulling body inner chamber is the shoulder hole structure mated with screw rod, its front end is pulling body inner chamber taper seat, and the pulling body internal thread is set in its back-end.
Above-mentioned blind hole middle (center) bearing extracting tool, described screw front end is the outer conical surface structure, at the external thread of screw of spiro rod rear end setting and pulling body internal thread coupling.
Above-mentioned blind hole middle (center) bearing extracting tool, described barrel bore is shoulder hole structure, its nose circle bore dia Φ 2 is greater than the periphery diameter of phi 1 of bearing.
External thread of screw of the present utility model and pulling body screw-internal thread fit, precession drive front end outer conical surface by screw rod struts the pulling body head, pulling body circular arc working face and bearing inner surface are fitted fully, then by nut, tighten the axial tension of generation by bearing removal.The utility model has simple in structure, easy to operate characteristics compared with the prior art, and it can not only be removed the bearing in blind hole fast, has significantly improved operating efficiency, and can avoid damaging the bearing saddle bore inwall.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is cross-sectional view of the present utility model;
Fig. 2 is the pulling body cross-sectional view;
Fig. 3 is that the B of Fig. 2 is to view;
Fig. 4 is that the A of Fig. 2 is to view;
Fig. 5 is the screw-rod structure schematic diagram;
Fig. 6 is the tube-in-tube structure schematic diagram.
In figure, each list of reference numerals is: 1, pulling body, 1-1, circular arc working face, 1-2, pulling body external screw thread, 1-3, pulling body internal thread, 1-4, pulling body inner chamber taper seat, 1-5, opening elongated slot, 2, screw rod, 2-1, outer conical surface, 2-2, external thread of screw, 3, sleeve, 3-1, shoulder hole, 4, nut, 5, bearing, 6, mechanical component.
The specific embodiment
Referring to Fig. 1, the utility model comprises pulling body 1, screw rod 2, sleeve 3 and nut 4, and described pulling body 1 is cavity structure, and described screw rod 2 is assemblied in pulling body 1 cavity, overlaps sleeved 3 and nut 4 in pulling body 1 outside, and described nut 4 is spirally connected with pulling body 1 outer wall.
Referring to Fig. 2, Fig. 3, Fig. 4, uniform one group of opening elongated slot 1-5 on pulling body 1 sidewall of the present utility model, pulling body front end outer surface is the circular arc working face 1-1 mated with bearing inner wall, at the pulling body middle part, outer surface is provided with the pulling body external screw thread 1-2 equipped with nut, the pulling body inner chamber is the shoulder hole structure mated with screw rod 2, its front end is pulling body inner chamber taper seat 1-4, and pulling body internal thread 1-3 is set in its back-end.
Referring to Fig. 5, screw rod 2 front ends of the present utility model are outer conical surface 2-1 structure, at the external thread of screw 2-2 of spiro rod rear end setting and pulling body internal thread 1-3 coupling.
Referring to Fig. 6, sleeve 3 inner chambers of the present utility model are shoulder hole 3-1 structure, and its nose circle bore dia Φ 2 is greater than the periphery diameter of phi 1 of bearing 5.
Referring to Fig. 1, external thread of screw 2-2 of the present utility model coordinates with pulling body internal thread 1-3, precession drive front end outer conical surface 2-1 by screw rod 2 struts the head of pulling body 1, pulling body circular arc working face 1-1 and bearing 5 Internal Spherical Surface are fitted fully, and the axial tension of then by nut 4, tightening generation is dismantled bearing 5 from the bearing saddle bore of mechanical component 6.Specific works step of the present utility model is: first pulling body 1 is put in bearing 5, pulling body circular arc working face 1-1 and bearing 5 inner surfaces are fitted naturally; Sleeve 3, nut 4 are assembled with pulling body 1, and nut 4 touches sleeve 3 right sides and gets final product; Screw rod 2 is inserted in pulling body 1 inner chamber, rotary screw 2, its front end outer conical surface 2-1 pushes pulling body 1, the head of pulling body 1 is strutted, make it produce outside tension force, pulling body circular arc working face 1-1 and bearing 5 inner surfaces are tightly fitted, more respectively nut 4 and pulling body 1 are tightened with two spanners, utilize the reverse axial tension of nut that bearing 5 is extracted from the bearing saddle bore of mechanical component 6.
Claims (4)
1. a blind hole middle (center) bearing extracting tool, it comprises pulling body (1), screw rod (2), sleeve (3) and nut (4), described pulling body (1) is cavity structure, described screw rod (2) is assemblied in pulling body (1) cavity, at pulling body (1) outside cover sleeved (3) and nut (4), described nut (4) is spirally connected with pulling body (1) outer wall.
2. a kind of blind hole middle (center) bearing extracting tool according to claim 1, it is characterized in that, uniform one group of opening elongated slot (1-5) on described pulling body (1) sidewall, pulling body front end outer surface is the circular arc working face (1-1) mated with bearing inner wall, at the pulling body middle part, outer surface is provided with the pulling body external screw thread (1-2) equipped with nut, the pulling body inner chamber is and the shoulder hole structure of screw rod (2) coupling that its front end is pulling body inner chamber taper seat (1-4), and pulling body internal thread (1-3) is set in its back-end.
3. a kind of blind hole middle (center) bearing extracting tool according to claim 2, is characterized in that, described screw rod (2) front end is outer conical surface (2-1) structure, at the external thread of screw (2-2) of spiro rod rear end setting and pulling body internal thread (1-3) coupling.
4. a kind of blind hole middle (center) bearing extracting tool according to claim 3, is characterized in that, described sleeve (3) inner chamber is shoulder hole (3-1) structure, and its nose circle bore dia Φ 2 is greater than the periphery diameter of phi 1 of bearing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320369195 CN203343986U (en) | 2013-06-26 | 2013-06-26 | Tool for extracting bearing in blind hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320369195 CN203343986U (en) | 2013-06-26 | 2013-06-26 | Tool for extracting bearing in blind hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203343986U true CN203343986U (en) | 2013-12-18 |
Family
ID=49743919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320369195 Expired - Lifetime CN203343986U (en) | 2013-06-26 | 2013-06-26 | Tool for extracting bearing in blind hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203343986U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722530A (en) * | 2013-12-27 | 2014-04-16 | 上海大众汽车有限公司 | Detaching tool for engine bearing bush |
| CN107160322A (en) * | 2017-05-16 | 2017-09-15 | 上海航天控制技术研究所 | A kind of high pressure sealing metallic gasket provision for disengagement |
| CN107825065A (en) * | 2017-12-12 | 2018-03-23 | 江西五十铃发动机有限公司 | A kind of auxiliary mould that bearing is taken out using compression-expansion |
| 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 |
-
2013
- 2013-06-26 CN CN 201320369195 patent/CN203343986U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722530A (en) * | 2013-12-27 | 2014-04-16 | 上海大众汽车有限公司 | Detaching tool for engine bearing bush |
| CN107160322A (en) * | 2017-05-16 | 2017-09-15 | 上海航天控制技术研究所 | A kind of high pressure sealing metallic gasket provision for disengagement |
| CN107825065A (en) * | 2017-12-12 | 2018-03-23 | 江西五十铃发动机有限公司 | A kind of auxiliary mould that bearing is taken out using compression-expansion |
| CN107825065B (en) * | 2017-12-12 | 2024-05-14 | 江西五十铃发动机有限公司 | Auxiliary tool for taking out bearing by compression and expansion |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |