CN203887792U - Detaching tool for engine bearing bush - Google Patents
Detaching tool for engine bearing bush Download PDFInfo
- Publication number
- CN203887792U CN203887792U CN201320877162.4U CN201320877162U CN203887792U CN 203887792 U CN203887792 U CN 203887792U CN 201320877162 U CN201320877162 U CN 201320877162U CN 203887792 U CN203887792 U CN 203887792U
- Authority
- CN
- China
- Prior art keywords
- expansion sleeve
- nut
- tooth groove
- screw thread
- stay bolt
- 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
Links
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model provides a detaching tool for an engine bearing bush. The detaching tool comprises a long bolt, an expansion sleeve, a long bolt nut, a stress base and an expansion sleeve nut, wherein the top of one end of the long bolt is a tapered inclined plane, and threads are arranged at the other end of the long bolt; the expansion sleeve sleeves the long bolt; an internal thread groove is formed in one end of the expansion sleeve; threads are arranged on the outer wall of the other end of the expansion sleeve; the internal thread groove sleeves the tapered inclined plane and extends into the bearing bush; the long bolt nut is matched with the threads of the long bolt extending out of the expansion sleeve; the stress base sleeves the internal thread groove end of the expansion sleeve; a through hole is formed in the stress base; the end, provided with the threads, of the outer wall of the expansion sleeve can penetrate out of the stress base; one end of the stress base is tightly attached to the end face of an engine crankshaft or a flywheel; the other end of the stress base is tightly attached to the expansion sleeve nut; the expansion sleeve nut is matched with the threads of the expansion sleeve extending out of the stress base. The engine crankshaft bearing bush can be detached and maintained more rapidly, and the detaching tool is simple and reliable in structure, low in cost and high in generality.
Description
Technical field
The utility model relates to a kind of engine shaft bearing sleeve extracting tool.
Background technology
Available engine bearing holder (housing, cover) method for dismounting normally adopts the butter of annotating in bearing holder (housing, cover), then knocks with instrument, by oil pressure, bearing holder (housing, cover) is ejected.This existing method for dismounting cannot be used for the bearing holder (housing, cover) of one end sealing, therefore, when needs are changed crankshaft bearing bush, because it is complete to take out old axle, often needs to change together with bent axle, can greatly increase artificial and cost.
Utility model content
The purpose of this utility model is to provide a kind of engine shaft bearing sleeve extracting tool, can remove more quickly the crankshaft bearing bush with service engine.
For addressing the above problem, the utility model provides a kind of engine shaft bearing sleeve extracting tool, comprising:
Stay bolt, the top, one end of described stay bolt is for being with tapered inclined-plane, and the other end is provided with screw thread;
Be sheathed on the expansion sleeve outside described stay bolt, one end of described expansion sleeve is provided with interior tooth groove, and other end outer wall is provided with screw thread, and wherein, described interior tooth groove is placed on described being with outside tapered inclined-plane, described interior tooth groove and be with tapered inclined-plane to stretch in bearing holder (housing, cover);
Stay bolt nut, described stay bolt nut matches with the screw thread of the stay bolt stretching out from described expansion sleeve, for regulating, is describedly with tapered inclined-plane with tooth groove in described in spreading;
Be sheathed on the stressed base outside the interior tooth groove ends of described expansion sleeve, described stressed base has through hole, expansion sleeve outer wall is established threaded one end and can from stressed base, be passed, and one end of described stressed base is adjacent to the end face of engine crankshaft or flywheel, and the other end is adjacent to expansion sleeve nut;
Expansion sleeve nut, described expansion sleeve nut matches with the screw thread on the expansion sleeve stretching out from described stressed base, for withstanding described stressed base, to produce pulling force, bearing holder (housing, cover) is pulled out from the centre bore of bent axle.
Further, in above-mentioned engine shaft bearing sleeve extracting tool, the interior tooth groove side of described expansion sleeve one end head has two to crack above, described in crack and can make interior tooth groove open.
Further, in above-mentioned engine shaft bearing sleeve extracting tool, after the interior tooth groove of described expansion sleeve opens, interior tooth groove contacts with the shirt rim of bearing holder (housing, cover).
Further, in above-mentioned engine shaft bearing sleeve extracting tool, one end barrel dliameter that expansion sleeve is provided with interior tooth groove is slightly larger than the other end.
Further, in above-mentioned engine shaft bearing sleeve extracting tool, the sidewall that is adjacent to described expansion sleeve nut end of described stressed base is provided with anti-skidding annular knurl.
Further, in above-mentioned engine shaft bearing sleeve extracting tool, the screw thread of described stay bolt is M8 screw thread, and described stay bolt nut is M8 nut.
Further, in above-mentioned engine shaft bearing sleeve extracting tool, the screw thread of described expansion sleeve is M16 screw thread, and described expansion sleeve nut is M16 nut.
Compared with prior art, the utility model is by stay bolt, and the top, one end of described stay bolt is for being with tapered inclined-plane, and the other end is provided with screw thread; Be sheathed on the expansion sleeve outside described stay bolt, one end of described expansion sleeve is provided with interior tooth groove, and other end outer wall is provided with screw thread, and wherein, described interior tooth groove is placed on described being with outside tapered inclined-plane, described interior tooth groove and be with tapered inclined-plane to stretch in bearing holder (housing, cover); Stay bolt nut, described stay bolt nut matches with the screw thread of the stay bolt stretching out from described expansion sleeve, for regulating, is describedly with tapered inclined-plane with tooth groove in described in spreading; Be sheathed on the stressed base outside the interior tooth groove ends of described expansion sleeve, described stressed base has through hole, expansion sleeve outer wall is established threaded one end and can from stressed base, be passed, and one end of described stressed base is adjacent to the end face of engine crankshaft or flywheel, and the other end is adjacent to expansion sleeve nut; Expansion sleeve nut, described expansion sleeve nut matches with the screw thread on the expansion sleeve stretching out from described stressed base, for withstanding described stressed base, to produce pulling force, bearing holder (housing, cover) is pulled out from the centre bore of bent axle, can remove more quickly the crankshaft bearing bush with service engine, not only simple in structure, reliable, cost is low, and highly versatile, applicable to various engines.
Accompanying drawing explanation
Fig. 1 is the crankshaft structure figure of the engine of the utility model one embodiment;
Fig. 2 is the bent axle of engine and the schematic diagram that coordinates of bearing holder (housing, cover) of the utility model one embodiment;
Fig. 3 is the structure chart of the stay bolt of the utility model one embodiment;
Fig. 4 is the structure chart of the expansion sleeve of the utility model one embodiment;
Fig. 5 is the sectional view of the expansion sleeve of Fig. 4;
Fig. 6 is the structure chart of the stressed base of the utility model one embodiment;
Fig. 7 is the structure chart of the engine shaft bearing sleeve extracting tool of the utility model one embodiment;
Fig. 8 is the profile of Fig. 7;
Fig. 9 is the sectional view of Fig. 7.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Fig. 1～9, the utility model provides a kind of engine shaft bearing sleeve extracting tool 100, comprising:
Stay bolt 1, the top, one end of described stay bolt 1 is for being with tapered inclined-plane 11, and the other end is provided with screw thread 12;
Be sheathed on the expansion sleeve 2 outside described stay bolt 1, one end of described expansion sleeve is provided with interior tooth groove 21, and other end outer wall is provided with screw thread 22, wherein, described interior tooth groove 21 is placed on described being with outside tapered inclined-plane 11, described interior tooth groove 21 and be with tapered inclined-plane 11 to stretch in a bearing holder (housing, cover) 200;
Stay bolt nut 3, described stay bolt nut 3 matches with the screw thread 12 of the stay bolt 1 stretching out from described expansion sleeve 2, for regulating, is describedly with tapered inclined-plane 11 with tooth groove 21 in described in spreading;
Be sheathed on the stressed base 4 outside interior tooth groove 21 ends of described expansion sleeve 2, described stressed base 4 has through hole, expansion sleeve 2 outer walls are established threaded one end and can from stressed base 4, be passed, one end of described stressed base 4 is adjacent to the end face of an engine crankshaft 300 or flywheel, and the other end is adjacent to an expansion sleeve nut 5;
Expansion sleeve nut 5, described expansion sleeve nut 5 matches with the screw thread 22 on the expansion sleeve 2 stretching out from described stressed base 4, for withstanding described stressed base 4, to produce pulling force, described bearing holder (housing, cover) 200 is pulled out from the centre bore 301 of bent axle 300.
Preferably, interior tooth groove 21 sides of described expansion sleeve 2 one end heads have two to crack above, described in crack and can make interior tooth groove open.
Preferably, after the interior tooth groove 21 of described expansion sleeve 2 opens, interior tooth groove 21 contacts with the shirt rim of bearing holder (housing, cover) 200.
Preferably, one end barrel dliameter that expansion sleeve is provided with interior tooth groove is slightly larger than the other end.
Preferably, the sidewall that is adjacent to described expansion sleeve nut 5 ends of described stressed base 4 is provided with anti-skidding annular knurl.
Optionally, the screw thread 12 of described stay bolt 1 is M8 screw thread, and described stay bolt nut 3 is M8 nut.
Optionally, the screw thread 22 of described expansion sleeve 2 is M16 screw thread, and described expansion sleeve nut 5 is M16 nut.Concrete, M16 screw thread and M16 nut can produce the outside pulling force of 50 kilograms while screwing, and bearing holder (housing, cover) 200 is pulled out the most at last.
Optionally, described bearing holder (housing, cover) 200 is interference fit with the centre bore 301 of bent axle 300.Concrete, because bearing holder (housing, cover) 200 belongs to interference fit with the centre bore 301 of bent axle 300, resistance is quite large, can produce the power of 50 kilograms of left and right when using the bolt of M16, is enough to bearing holder (housing, cover) to be pulled out from bent axle.
Optionally, one end of stretching into the centre bore of described bent axle on described bearing holder (housing, cover) is blind end.
Concrete, in the present embodiment, first expansion sleeve 2 is placed on outside stay bolt 1, again stressed base 4 is placed on outside interior tooth groove 21 ends of expansion sleeve 2, then by interior tooth groove 21 be with tapered inclined-plane 11 to stretch in a bearing holder (housing, cover) 200, one end face of stressed base 4 is adjacent to front end or a flywheel of bent axle 300, thereby after formation stress surface, stay bolt nut 3 and screw thread 12 are tightened to the outside radial load of rear generation with interior tooth groove 21 described in spreading, so that contacting, the shirt rim of interior tooth groove 21 and bearing holder (housing, cover) 200 forms stress surface, thereby the outside pulling force in the time of can bearing a part of withdrawing is fixed bearing holder (housing, cover) 200, in sensation, tooth groove 21 has propped up bearing holder (housing, cover) 200, just can stop screwing stay bolt nut 3.After fixing bearing holder (housing, cover) 200, the tensile force producing by rotation expansion sleeve nut 5 and screw thread 22, bearing holder (housing, cover) 200 is pulled out the most at last.
The utility model is by stay bolt, and one end of described stay bolt is for being with tapered inclined-plane, and the other end is provided with screw thread; Be sheathed on the expansion sleeve outside described stay bolt, one end of described expansion sleeve is provided with interior tooth groove, and the other end is provided with screw thread, and wherein, described interior tooth groove is placed on described being with outside tapered inclined-plane, described interior tooth groove and be with tapered inclined-plane to stretch in a bearing holder (housing, cover); Stay bolt nut, described stay bolt nut matches with the screw thread of the stay bolt stretching out from described expansion sleeve, for regulating, is describedly with tapered inclined-plane with tooth groove in described in spreading; Be sheathed on the stressed base outside the interior tooth groove ends of described expansion sleeve, one end of described stressed base is adjacent to the front end of a bent axle, and the other end is adjacent to an expansion sleeve nut; Expansion sleeve nut, described expansion sleeve nut matches with the screw thread of the expansion sleeve stretching out from described stressed base, for withstanding described stressed base, to produce pulling force, described bearing holder (housing, cover) is pulled out from the centre bore of bent axle, can remove more quickly the crankshaft bearing bush with service engine, not only simple in structure, reliable, cost is low, and highly versatile, applicable to various engines.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these change and modification.
Claims (7)
1. an engine shaft bearing sleeve extracting tool, is characterized in that, comprising:
Stay bolt, the top, one end of described stay bolt is for being with tapered inclined-plane, and the other end is provided with screw thread;
Be sheathed on the expansion sleeve outside described stay bolt, one end of described expansion sleeve is provided with interior tooth groove, and other end outer wall is provided with screw thread, and wherein, described interior tooth groove is placed on described being with outside tapered inclined-plane, described interior tooth groove and be with tapered inclined-plane to stretch in bearing holder (housing, cover);
Stay bolt nut, described stay bolt nut matches with the screw thread of the stay bolt stretching out from described expansion sleeve;
Be sheathed on the stressed base outside the interior tooth groove ends of described expansion sleeve, described stressed base has through hole, expansion sleeve outer wall is established threaded one end and can from stressed base, be passed, and one end of described stressed base is adjacent to the end face of engine crankshaft or flywheel, and the other end is adjacent to expansion sleeve nut;
Expansion sleeve nut, described expansion sleeve nut matches with the screw thread on the expansion sleeve stretching out from described stressed base.
2. engine shaft bearing sleeve extracting tool as claimed in claim 1, is characterized in that, the interior tooth groove side of described expansion sleeve one end head has two to crack above, described in crack and can make interior tooth groove open.
3. engine shaft bearing sleeve extracting tool as claimed in claim 2, is characterized in that, after the interior tooth groove of described expansion sleeve opens, interior tooth groove contacts with the shirt rim of bearing holder (housing, cover).
4. engine shaft bearing sleeve extracting tool as claimed in claim 1, is characterized in that, one end barrel dliameter that expansion sleeve is provided with interior tooth groove is slightly larger than the other end.
5. engine shaft bearing sleeve extracting tool as claimed in claim 1, is characterized in that, the sidewall that is adjacent to described expansion sleeve nut end of described stressed base is provided with anti-skidding annular knurl.
6. engine shaft bearing sleeve extracting tool as claimed in claim 1, is characterized in that, the screw thread of described stay bolt is M8 screw thread, and described stay bolt nut is M8 nut.
7. engine shaft bearing sleeve extracting tool as claimed in claim 1, is characterized in that, the screw thread of described expansion sleeve is M16 screw thread, and described expansion sleeve nut is M16 nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877162.4U CN203887792U (en) | 2013-12-27 | 2013-12-27 | Detaching tool for engine bearing bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877162.4U CN203887792U (en) | 2013-12-27 | 2013-12-27 | Detaching tool for engine bearing bush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203887792U true CN203887792U (en) | 2014-10-22 |
Family
ID=51714239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320877162.4U Expired - Fee Related CN203887792U (en) | 2013-12-27 | 2013-12-27 | Detaching tool for engine bearing bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203887792U (en) |
Cited By (2)
| 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 |
| CN106112909A (en) * | 2016-08-31 | 2016-11-16 | 侯马市东鑫机械铸造有限公司 | For pulling out the device of bent axle axle head sprocket wheel |
-
2013
- 2013-12-27 CN CN201320877162.4U patent/CN203887792U/en not_active Expired - Fee Related
Cited By (2)
| 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 |
| CN106112909A (en) * | 2016-08-31 | 2016-11-16 | 侯马市东鑫机械铸造有限公司 | For pulling out the device of bent axle axle head sprocket wheel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204263073U (en) | A kind of bushing dismounting instrument | |
| CN203887792U (en) | Detaching tool for engine bearing bush | |
| CN103722530A (en) | Detaching tool for engine bearing bush | |
| CN203081979U (en) | Novel bolt | |
| CN203449263U (en) | Disassembling tool of compressor crankcase upper bearing | |
| CN202690652U (en) | Easily-disassembled split-type bolt | |
| CN202922516U (en) | Special tool for dismantling diesel engine crankshaft belt pulley | |
| CN106863211A (en) | A kind of piston of automobile engine connection rod set special dismounting device and application method | |
| CN206952874U (en) | A kind of automobile engine maintaining instrument | |
| CN206329593U (en) | Novel expansion bolt that is a kind of detachable and can reusing | |
| CN2681863Y (en) | Liner dismounting device for automobile engine fuel injector | |
| CN204736177U (en) | Multistage centrifugal pump bearing inner race extracting tool | |
| CN204344653U (en) | Anti-slip thread set screws component | |
| CN203282427U (en) | Internal combustion engine flywheel disassembling tool | |
| CN202900952U (en) | Bolt with ceramic sleeve | |
| CN202301363U (en) | Connecting bolt of coupler | |
| CN204640033U (en) | A kind of high explosion pressure engine fuel injector cover mounting or dismounting integration tool | |
| CN205078578U (en) | Oiling bolt | |
| CN2498393Y (en) | Two end expandable screw bolt | |
| CN203426936U (en) | Internal hexagonal socket | |
| CN203409704U (en) | Auxiliary tool for dissembling diesel engine main bearing cover | |
| CN204123068U (en) | A kind of extracting tool of interference engagement bolt | |
| CN204725437U (en) | A kind of copper bush of fuel injector provision for disengagement | |
| CN202910808U (en) | General tool suitable for disassembling of flywheels of different types in diesel engine | |
| CN204295561U (en) | For the orientation tool that water circulating pump adjustable vane is installed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201102 Shanghai city Jiading District Anting Road No. 123 Patentee after: SAIC VOLKSWAGEN AUTOMOTIVE Co.,Ltd. Address before: 201102 Shanghai city Jiading District Anting Road No. 123 Patentee before: SHANGHAI VOLKSWAGEN AUTOMOTIVE Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20211227 |