CN110340841A - A kind of bottom bracket axle dismantling device - Google Patents
A kind of bottom bracket axle dismantling device Download PDFInfo
- Publication number
- CN110340841A CN110340841A CN201910549931.XA CN201910549931A CN110340841A CN 110340841 A CN110340841 A CN 110340841A CN 201910549931 A CN201910549931 A CN 201910549931A CN 110340841 A CN110340841 A CN 110340841A
- Authority
- CN
- China
- Prior art keywords
- dismounting
- bottom bracket
- bracket axle
- bearing
- block
- 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.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0035—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for motor-vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The present invention relates to a kind of bottom bracket axle dismantling devices, including dismounting screw rod, dismounting sleeve and dismounting block, the dismounting screw rod passes through the dismounting sleeve and connect with the dismounting block, it further include having bearing assembly, the dismounting screw rod is connect after sequentially passing through the bearing assembly and the dismounting sleeve with the dismounting block, the dismounting block is internally provided with through-hole, and the inner wall of the through-hole is provided with and the mutually matched internal screw thread of the dismounting screw rod.Bottom bracket axle dismantling device structure of the invention is simple, it is very convenient to use, dismounting screw rod is reduced by using bearing assembly and directly contacts generated frictional force with dismounting sleeve, preferably twisting dismounting screw rod, alleviate power required for twisting, it is easy to use, it is time saving and energy saving, substantially increase the disassembly efficiency of bottom bracket axle.
Description
Technical field
The present invention relates to bottom bracket axle maintenance technique fields, and in particular to a kind of bottom bracket axle dismantling device.
Background technique
In the bottom bracket axle maintenance process of motorcycle, needs the bottom bracket axle that will be broken down to dismantle and change new bottom bracket axle, it is existing
Some modes be bottom bracket axle is pulled out using Pull weight of middle shaft sleeve, but existing Pull weight of middle shaft sleeve use it is inconvenient,
It needs to twist energetically very much when rotating screw rod, in addition to this, it is also necessary to which the rear chain stay frame for removing motorcycle could be into
Row disassembly installment work, needs long time that could twist pull-out bottom bracket axle, sometimes also can not pull to be hammered into shape with tup
Out, energy is not only taken a substantial amount of time, it is also possible to irreversible damage be caused to the part near bottom bracket axle, substantially reduced
It also will cause unnecessary loss while working efficiency.
Summary of the invention
The present invention in order to overcome at least one of the drawbacks of the prior art described above, provides a kind of bottom bracket axle dismantling device,
Structure is simple, easy to use, time saving and energy saving, substantially increases the disassembly efficiency of bottom bracket axle.
In order to solve the above technical problems, the present invention the following technical schemes are provided:
A kind of bottom bracket axle dismantling device, including dismounting screw rod, dismounting sleeve and dismounting block, the dismounting screw rod pass through institute
It states dismounting sleeve to connect with the dismounting block, further includes having bearing assembly, the dismounting screw rod sequentially passes through the bearing assembly
And connect after the dismounting sleeve with the dismounting block, the dismounting block is internally provided with through-hole, the inner wall of the through-hole
Be provided with the mutually matched internal screw thread of the dismounting screw rod, bottom bracket axle dismantling device structure of the invention is simple, using dismounting
Screw rod, bearing assembly, dismounting sleeve and the application method for dismounting block integral type, keep entire tool very convenient to use,
Dismounting screw rod is reduced by using bearing assembly and directly contacts generated frictional force, preferably twisting dismounting with dismounting sleeve
Screw rod alleviates power required for twisting, easy to use, time saving and energy saving, does not need the rear chain stay frame for removing motorcycle
The dismounting for completing bottom bracket axle, substantially increases the disassembly efficiency of bottom bracket axle.
Further, the bearing assembly includes bearing base, bearing cap, thrust bearing and bearing washer, the axis
It holds pedestal one end adjacent with the bearing cap and is provided with the first pillar, it is convex that the other end of the bearing base is provided with second
Column, first pillar are connect after sequentially passing through the thrust bearing and the bearing washer with the bearing cap, the axis
Pedestal is held by second pillar and the sleeve connection, bearing assembly uses integrated design, prevents the bearing of the inside
Leak out, ensure that bearing using safe, thrust bearing can reduce frictional force caused by axial force well, can be more preferable
Ground twisting dismounting screw rod.
Further, the bearing cap snaps on the bearing base, and the bearing base snaps onto the dismounting set
It is easy to disassemble on cylinder, it is easy to use.
Further, the limit for preventing the dismounting screw rod from relative displacement occurs with it is provided on the bearing washer
Position slot, preferably makes dismounting screw rod be adjacent to bearing washer, preferably reduces dismounting screw rod and dismounts the frictional force between sleeve.
Further, the thrust bearing includes rolling element, inner sleeve and housing, and first pillar sequentially passes through described
It is connect after inner sleeve, the rolling element, the housing and the bearing washer with the bearing cap, preferably reduction frictional force.
Further, the rolling element is ball bearing or needle bearing, can greatly reduce frictional force.
Further, the dismounting block includes dismounting block for the first of disassembly and dismounting block for the second of installation,
The basal diameter of the first dismounting block is less than the basal diameter of the sleeve, and the basal diameter of the second dismounting block is greater than institute
The basal diameter for stating sleeve, when being dismantled, the first dismounting block can be released bottom bracket axle along sleeve direction, carried out
When installation, the second dismounting block needs to head on rear chain stay frame, prevents bottom bracket axle top from obtaining very much, therefore used according to different situations
Different size of dismounting block operates more convenient.
Further, one end that the first dismounting block is contacted with bottom bracket axle is provided with pointed protrusion, first dismounting
One end that block is contacted with bottom bracket axle is provided with the first groove being adapted with bottom bracket axle, can make the first dismounting when disassembly
Block is preferably bonded with bottom bracket axle, is reduced rotation, is more easily pulled out bottom bracket axle.
Further, the outer wall of the second dismounting block offers rotation slot, and the second dismounting block is contacted with bottom bracket axle
One end be provided with the second groove being adapted with bottom bracket axle, convenient to use shaft is inserted into rotation slot when installation, prevents
Only the second dismounting block and then rotates, and then can preferably be installed, more laborsaving.
Further, the outer wall of the dismounting sleeve is provided with for anti-skidding decorative pattern, reduces sliding.
Compared with prior art, the invention has the following advantages:
When using traditional dismantling device, it is often necessary to which chain stay frame carries out the disassembly and peace of bottom bracket axle after disassembly
Dress, bottom bracket axle dismantling device structure of the invention is simple, very convenient to use, can complete disassembly and peace using this tool
Two procedures are filled, do not need to remove motorcycle rear fork, it is more convenient, and also the present invention is also subtracted by using bearing assembly
Lack dismounting screw rod and directly contacted generated frictional force, preferably twisting dismounting screw rod with dismounting sleeve, alleviates twisting institute
The power needed, it is easy to use, it is time saving and energy saving, substantially increase the disassembly efficiency of bottom bracket axle.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
Attached drawing obtains other attached drawings.
Structural schematic diagram when Fig. 1 is a kind of installation of bottom bracket axle dismantling device of the present invention.
Structural schematic diagram when Fig. 2 is a kind of disassembly of bottom bracket axle dismantling device of the present invention.
Fig. 3 is a kind of structural schematic diagram of the bearing base of bottom bracket axle dismantling device of the present invention.
Fig. 4 is a kind of structural schematic diagram of the rolling element of bottom bracket axle dismantling device of the present invention.
In figure: 1, dismounting screw rod；2, bottom bracket axle；3, sleeve is dismounted；4, the first dismounting block；5, the second dismounting block；6, bearing
Pedestal；7, bearing cap；8, bearing washer；9, the first pillar；10, the second pillar；11, the first groove；12, the second groove；13, it rolls
Kinetoplast；131, ball bearing；132, needle bearing；14, inner sleeve；15, housing；16, pointed protrusion；17, rotation slot；18, detent
Slot.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment is as follows:
As shown in Figure 1, a kind of bottom bracket axle dismantling device, including dismounting screw rod 1, dismounting sleeve 3 and dismounting block, dismount spiral shell
Bar 1 passes through dismounting sleeve 3 and connect with dismounting block, further includes having bearing assembly, and dismounting screw rod 1 sequentially passes through bearing assembly and tears open
It is connect after sleeved 3 with dismounting block, dismounts the through-hole that is internally provided with of block, the inner wall of through-hole is provided with mutual with dismounting screw rod 1
The internal screw thread of cooperation, 2 dismantling device structure of bottom bracket axle of the invention is simple, using dismounting screw rod 1, bearing assembly, dismounting sleeve 3
And the application method of dismounting block integral type, keep entire tool very convenient to use, is reduced by using bearing assembly
Dismounting screw rod 1 directly contacts generated frictional force, preferably twisting dismounting screw rod 1 with dismounting sleeve 3, alleviates needed for twisting
The power wanted, easy to use, time saving and energy saving, the rear chain stay frame for not needing to remove motorcycle can complete the dismounting of bottom bracket axle 2, greatly
The disassembly efficiency of bottom bracket axle 2 is improved greatly.
As shown in figures 1 and 3, bearing assembly includes bearing base 6, bearing cap 7, thrust bearing and bearing washer 8, axis
It holding the one end adjacent with bearing cap 7 of pedestal 6 and is provided with the first pillar 9, the other end of bearing base 6 is provided with the second pillar 10,
First pillar 9 is connect after sequentially passing through thrust bearing and bearing washer 8 with bearing cap 7, and bearing base 6 passes through the second pillar 10
With sleeve connection, bearing assembly uses integrated design, prevents the bearing of the inside from leaking out, ensure that bearing using safe,
Thrust bearing can reduce frictional force caused by axial force well, can preferably twist dismounting screw rod 1.
As shown in figure 3, the inner ring of the second pillar 10 is provided with the detent slot 18 being adapted with bottom bracket axle 2, during installation may be used
To be bonded bottom bracket axle 2 well, preferably installed.
In the present embodiment, bearing cap 7 snaps on bearing base 6, and bearing base 6 snaps on dismounting sleeve 3, convenient
Disassembly is easy to use.
In the present embodiment, the limit for preventing dismounting screw rod 1 from relative displacement occurs with it is provided on bearing washer 8
Slot, preferably makes dismounting screw rod 1 be adjacent to bearing washer 8, preferably reduces dismounting screw rod 1 and dismounts the frictional force between sleeve 3.
As shown in Figure 1, thrust bearing includes rolling element 13, inner sleeve 14 and housing 15, the first pillar 9 sequentially passes through inner sleeve
14, it is connect after rolling element 13, housing 15 and bearing washer 8 with bearing cap 7, preferably reduction frictional force.
As shown in figure 4, rolling element 13 is ball bearing 131 or needle bearing 132, frictional force can be greatly reduced.
In the present embodiment, dismounting block includes dismounting block 4 for the first of disassembly and dismounting block for the second of installation
5, the basal diameter of the first dismounting block 4 is less than the basal diameter of sleeve, and the basal diameter of the second dismounting block 5 is greater than the bottom surface of sleeve
Diameter, when being dismantled, first dismounting block 4 can bottom bracket axle 2 be released along sleeve direction, installed when
It waits, the second dismounting block 5 needs to head on rear chain stay frame, prevents bottom bracket axle 2 from pushing up very much, therefore big using difference according to different situations
Small dismounting block operates more convenient.
As shown in Fig. 2, one end that the first dismounting block 4 is contacted with bottom bracket axle 2 is provided with pointed raised 16, the first dismounting block 4
The one end contacted with bottom bracket axle 2 is provided with the first groove 11 being adapted with bottom bracket axle 2, first can be made to tear open when disassembly
Dress block 4 is preferably bonded with bottom bracket axle 2, is reduced rotation, is more easily pulled out bottom bracket axle 2.
As shown in Figure 1, the outer wall of the second dismounting block 5 offers rotation slot 17, what the second dismounting block 5 was contacted with bottom bracket axle 2
One end is provided with the second groove 12 being adapted with bottom bracket axle 2, the shaft insertion rotation slot 17 convenient to use when installation,
It prevents the second dismounting block 5 from and then rotating, then can preferably be installed, it is more laborsaving.
In the present embodiment, the outer wall for dismounting sleeve 3 is provided with for anti-skidding decorative pattern, reduces sliding.
The operation principle of the present invention is that:
1. when disassembly, withstanding rear chain stay frame using dismounting sleeve 3, dismounting screw rod 1 is sequentially passed through into bearing assembly, dismounting covers
Then cylinder 3 and bottom bracket axle 2 are connect with the first dismounting block 4, the first groove 11 on the first dismounting block 4 fits with bottom bracket axle 2,
Pointed raised 16 on first dismounting block 4 block bottom bracket axle 2, and then using spanner twisting dismounting screw rod 1, dismounting screw rod 1 is driven
First dismounting block 4 is to drive bottom bracket axle 2 mobile toward dismounting 3 direction of sleeve, to complete the disassembling section of bottom bracket axle 2.
2. installation, first bottom bracket axle 2 is previously placed on rear chain stay frame, will dismounting screw rod 1 sequentially pass through bearing assembly, in
Then axle sleeve 2 and rear chain stay frame are connect with the second dismounting block 5, the second dismounting block 5 withstands rear chain stay frame, are inserted into using shaft
In rotation slot 17 on to the second dismounting block 5,5 transfer of the second dismounting block is prevented, then using spanner twisting dismounting screw rod 1, is torn open
Bottom bracket axle 2 is pushed into rear chain stay frame by loading screw 1, to complete the installation operation of bottom bracket axle 2.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (10)
1. a kind of bottom bracket axle dismantling device, including dismounting screw rod, dismounting sleeve and dismounting block, the dismounting screw rod pass through described
Dismounting sleeve is connect with the dismounting block, which is characterized in that further includes having bearing assembly, the dismounting screw rod sequentially passes through described
It is connect after bearing assembly and the dismounting sleeve with the dismounting block, the through-hole that is internally provided with for dismounting block is described logical
The inner wall in hole is provided with and the mutually matched internal screw thread of the dismounting screw rod.
2. bottom bracket axle dismantling device according to claim 1, which is characterized in that the bearing assembly include bearing base,
Bearing cap, thrust bearing and bearing washer, bearing base one end adjacent with the bearing cap are provided with the first pillar,
The other end of the bearing base is provided with the second pillar, and first pillar sequentially passes through the thrust bearing and the axis
It is connect after support pad circle with the bearing cap, the bearing base passes through second pillar and the sleeve connection.
3. bottom bracket axle dismantling device according to claim 2, which is characterized in that the bearing cap snaps onto the bearing bottom
On seat, the bearing base is snapped on the dismounting sleeve.
4. bottom bracket axle dismantling device according to claim 2, which is characterized in that be provided on the bearing washer for preventing
Only the limiting slot of relative displacement occurs with it for the dismounting screw rod.
5. bottom bracket axle dismantling device according to claim 2, which is characterized in that the thrust bearing includes rolling element, interior
Set and housing, after first pillar sequentially passes through the inner sleeve, the rolling element, the housing and the bearing washer
It is connect with the bearing cap.
6. bottom bracket axle dismantling device according to claim 5, which is characterized in that the rolling element is ball bearing or rolling
Needle bearing.
7. bottom bracket axle dismantling device according to claim 1, which is characterized in that the dismounting block includes for disassembly
One dismounts block and dismounts block for the second of installation, and the bottom surface that the basal diameter of the first dismounting block is less than the sleeve is straight
The basal diameter of diameter, the second dismounting block is greater than the basal diameter of the sleeve.
8. bottom bracket axle dismantling device according to claim 7, which is characterized in that the first dismounting block is contacted with bottom bracket axle
One end be provided with pointed protrusion, one end that the first dismounting block is contacted with bottom bracket axle is provided with the adaptable with bottom bracket axle
One groove.
9. bottom bracket axle dismantling device according to claim 7, which is characterized in that the outer wall of the second dismounting block offers
Rotation slot, one end that the second dismounting block is contacted with bottom bracket axle are provided with the second groove being adapted with bottom bracket axle.
10. bottom bracket axle dismantling device according to any one of claim 1 to 9, which is characterized in that the dismounting sleeve
Outer wall is provided with for anti-skidding decorative pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910549931.XA CN110340841A (en) | 2019-06-24 | 2019-06-24 | A kind of bottom bracket axle dismantling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910549931.XA CN110340841A (en) | 2019-06-24 | 2019-06-24 | A kind of bottom bracket axle dismantling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110340841A true CN110340841A (en) | 2019-10-18 |
Family
ID=68182828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910549931.XA Pending CN110340841A (en) | 2019-06-24 | 2019-06-24 | A kind of bottom bracket axle dismantling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110340841A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097016A (en) * | 2020-09-11 | 2020-12-18 | 东莞安科医疗科技有限公司 | Adjustable supporting device |
| CN113524102A (en) * | 2021-06-17 | 2021-10-22 | 北京中纺精业机电设备有限公司 | Steel pipe fixing device and steel pipe joint element dismounting assembly with same |
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|---|---|---|---|---|
| RU2119865C1 (en) * | 1993-04-02 | 1998-10-10 | Олейников Виктор Васильевич | Mechanical stripper |
| CN2296800Y (en) * | 1997-06-13 | 1998-11-11 | 钟承龙 | Half shaft sleeve withdrawing device |
| CN2448527Y (en) * | 2000-11-28 | 2001-09-19 | 王玮 | Pipe puller |
| CN205097121U (en) * | 2015-11-11 | 2016-03-23 | 东营植诚机电技术开发有限公司 | Novel instrument is extracted out to scour protection |
| CN206998794U (en) * | 2017-06-23 | 2018-02-13 | 徐州重型机械有限公司 | Axle sleeve attaching/detaching apparatus |
| CN208262738U (en) * | 2018-04-24 | 2018-12-21 | 福建华电金湖电力有限公司 | A kind of guide vane bottom bracket axle rapid installation device |
-
2019
- 2019-06-24 CN CN201910549931.XA patent/CN110340841A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2119865C1 (en) * | 1993-04-02 | 1998-10-10 | Олейников Виктор Васильевич | Mechanical stripper |
| CN2296800Y (en) * | 1997-06-13 | 1998-11-11 | 钟承龙 | Half shaft sleeve withdrawing device |
| CN2448527Y (en) * | 2000-11-28 | 2001-09-19 | 王玮 | Pipe puller |
| CN205097121U (en) * | 2015-11-11 | 2016-03-23 | 东营植诚机电技术开发有限公司 | Novel instrument is extracted out to scour protection |
| CN206998794U (en) * | 2017-06-23 | 2018-02-13 | 徐州重型机械有限公司 | Axle sleeve attaching/detaching apparatus |
| CN208262738U (en) * | 2018-04-24 | 2018-12-21 | 福建华电金湖电力有限公司 | A kind of guide vane bottom bracket axle rapid installation device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097016A (en) * | 2020-09-11 | 2020-12-18 | 东莞安科医疗科技有限公司 | Adjustable supporting device |
| CN113524102A (en) * | 2021-06-17 | 2021-10-22 | 北京中纺精业机电设备有限公司 | Steel pipe fixing device and steel pipe joint element dismounting assembly with same |
| CN113524102B (en) * | 2021-06-17 | 2024-04-23 | 北京中纺精业机电设备有限公司 | Steel pipe fixing device and steel pipe joint element dismounting assembly with same |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191018 |
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| RJ01 | Rejection of invention patent application after publication |