CN107697218A - A kind of bicycle crank for being easy to fold - Google Patents
A kind of bicycle crank for being easy to fold Download PDFInfo
- Publication number
- CN107697218A CN107697218A CN201710999874.6A CN201710999874A CN107697218A CN 107697218 A CN107697218 A CN 107697218A CN 201710999874 A CN201710999874 A CN 201710999874A CN 107697218 A CN107697218 A CN 107697218A
- Authority
- CN
- China
- Prior art keywords
- crank
- rectangular channel
- easy
- axis
- bicycle
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M3/00—Construction of cranks operated by hand or foot
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
- B62K2015/003—Collapsible or foldable cycles having a foldable crank or pedal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
The present invention provides a kind of bicycle crank for being easy to fold, and is related to part field.This is easy to the bicycle crank folded, including axis, the roll inside of the axis is connected with rotating shaft, the input of the rotating shaft is through axis and extends to the outside of axis, the input of the rotating shaft is fixed and is plugged with crank, the front of the crank is provided with fixing nut, the fillet of screw of the fixing nut is connected with shaft thread, the bottom of the crank offers rectangular channel, the internal activity of the rectangular channel is socketed with contiguous block, limited block is provided with the right side of the crank, bearing pin is fixedly connected with the left of the limited block.This is easy to the bicycle crank folded, crank can be made to be movably hinged with connecting rod through rectangular channel and contiguous block by bearing pin, rotate along bearing pin by motion bar and can be folded activity, effectively reduce crank and the space shared by pedal, make the bicycle volume after folding smaller.
Description
Technical field
The present invention relates to parts technical field, specially a kind of bicycle crank for being easy to fold.
Background technology
Bicycle accessories are the general designations to all parts of bicycle body and annex.It can divide according to the big structural framing of vehicle body
For：Several major classes such as vehicle frame, tire, pedal parts, front fork assembly, chain, axis, crank and flywheel, crank are bicycle transmissions
In 25 accessories such as a part for structure, vehicle frame, tire, foot-operated, brake and the chain of bicycle, its basic element of character lacks one not
Can.Wherein, vehicle frame is the skeleton of bicycle, and the weight for the people and goods that it is born is maximum.According to the work characteristics of each accessory,
Guidance system, drive system and brakes can be substantially classified as.
The bicycle crank of current in the market without the function of folding, present bicycle pursue it is light-weighted while
Compare the portability for focusing on bicycle, folding bicycle in the market is when folding because crank can not fold, it is impossible to makes
Voluntarily reach optimal folding effect.
The content of the invention
（One）The technical problem of solution
In view of the shortcomings of the prior art, the invention provides a kind of bicycle crank for being easy to fold, solves bicycle crank
The problem of can not folding.
（Two）Technical scheme
To realize object above, the present invention is achieved by the following technical programs：A kind of bicycle crank for being easy to fold, bag
Axis is included, the roll inside of the axis is connected with rotating shaft, and the input of the rotating shaft through axis and extends to the outer of axis
Portion, the input of the rotating shaft, which is fixed, is plugged with crank, and the front of the crank is provided with fixing nut, the fixing nut
The fillet of screw is connected with shaft thread, and the bottom of the crank offers rectangular channel, and the internal activity of the rectangular channel is socketed with company
Block is connect, limited block is provided with the right side of the crank, bearing pin is fixedly connected with the left of the limited block, the bearing pin is away from limit
One end of position block sequentially passes through crank and contiguous block and extends to the left side of crank, and limited location is opened up on the left of the contiguous block
Groove, sleeve pipe is fixedly connected with the left of the crank, the internal activity of described sleeve pipe is connected with garter spring, the garter spring
One end away from internal surface of sleeve pipe is fixedly connected with cushion block, and side of the cushion block away from garter spring is fixedly connected with clamping top
Bar, the described one end of clamping push rod away from cushion block sequentially pass through sleeve pipe, crank and rectangular channel and the limit with being opened up on the left of contiguous block
Position groove contacts, and is provided with connecting rod below the crank, rectangular channel is run through in the one end of the contiguous block away from rectangular channel inwall
And the connecting rod with being set below crank is fixedly connected, threaded one end of the connecting rod away from contiguous block is connected with pedal.
Preferably, the quantity of the limited block has two, and two limited blocks are symmetrical arranged by axis of bearing pin.
Preferably, the bottom of the crank offers two rectangular channels, and two rectangular channels are symmetrically set using crank as axis
Put.
Preferably, the rectangular channel is adapted with contiguous block, and the crank is movably hinged by bearing pin and connecting rod.
Preferably, the rounded groove of the shape of the stopper slot, the stopper slot are adapted with clamping push rod.
Preferably, the outer surface of the crank is welded and fixed with sleeve pipe.
（Three）Beneficial effect
The invention provides a kind of bicycle crank for being easy to fold.Possesses following beneficial effect：
1st, this is easy to the bicycle crank folded, the connection set inside the rectangular channel opened up by crank bottom and rectangular channel
Block, crank can be made to be movably hinged with connecting rod through rectangular channel and contiguous block by bearing pin, be rotated by motion bar along bearing pin
Activity can be folded, effectively reduce crank and the space shared by pedal, make the bicycle volume after folding smaller.
2nd, this is easy to the bicycle crank folded, the clamping set by the sleeve pipe and inside pipe casing that are set on the left of crank
Spring, cushion block and clamping push rod, being adapted by clamping push rod and stopper slot can make connecting rod that there is spacing function to prevent from connecting
The activity of extension bar, clamping push rod is held out against by garter spring, connecting rod can be made more stable, prevent the loosening of connecting rod, effectively
Improve the stability of crank folding.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the partial sectional view at A in structure chart 1 of the present invention；
Fig. 3 is structure top view of the present invention.
Wherein, 1 axis, 2 rotating shafts, 3 fixing nuts, 4 cranks, 5 connecting rods, 6 pedals, 7 stopper slots, 8 rectangular channels, 9 connect
Connect block, 10 limited blocks, 11 bearing pins, 12 sleeve pipes, 13 garter springs, 14 cushion blocks, 15 clamping push rods.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of bicycle crank for being easy to fold, as Figure 1-3, including axis 1, axis 1
Roll inside be connected with rotating shaft 2, the input of rotating shaft 2 through axis 1 and extends to the outside of axis 1, the input of rotating shaft 2
Fixation is plugged with crank 4, and the front of crank 4 is provided with fixing nut 3, and the fillet of screw of fixing nut 3 is threadedly coupled with rotating shaft 2,
The bottom of crank 4 offers rectangular channel 8, and the bottom of crank 4 offers two rectangular channels 8, during two rectangular channels 8 are with crank 4
Axisymmetrical is set, and the internal activity of rectangular channel 8 is socketed with contiguous block 9, and the right side of crank 4 is provided with limited block 10, limited block
10 quantity has two, and two limited blocks 10 are symmetrical arranged with bearing pin 11 for axis, by setting limited block 10 effectively to prevent
Rolling out for bearing pin 11, the stability that crank 4 is hinged with connecting rod 5 is effectively increased, the left side of limited block 10 is fixedly connected with
Bearing pin 11, rectangular channel 8 are adapted with contiguous block 9, and crank 4 is movably hinged by bearing pin 11 and connecting rod 5, pass through the bottom of crank 4
The contiguous block 9 that the rectangular channel 8 and the inside of rectangular channel 8 opened up is set, can be made by bearing pin 11 through rectangular channel 8 and contiguous block 9
Crank 4 is movably hinged with connecting rod 5, and being rotated by connecting rod 5 along bearing pin 11 can be folded connecting rod 5, is effectively reduced
Space shared by crank 4 and pedal 6, makes the bicycle volume after folding smaller, bearing pin 11 away from limited block 10 one
End sequentially passes through crank 4 and contiguous block 9 and the left side for extending to crank 4, and the left side of contiguous block 9 offers stopper slot 7, crank 4
Left side be fixedly connected with sleeve pipe 12, outer surface and the sleeve pipe 12 of crank 4 are welded and fixed, and the internal activity of sleeve pipe 12 is connected with card
Tight spring 13, the one end of garter spring 13 away from the inwall of sleeve pipe 12 are fixedly connected with cushion block 14, and cushion block 14 is away from garter spring 13
Side be fixedly connected with clamping push rod 15, clamping push rod 15 is held out against by garter spring 13, connecting rod 5 can be made more stable,
The loosening of connecting rod 5 is prevented, effectively increases the stability of the folding of crank 4, the rounded groove of shape of stopper slot 7, stopper slot 7
It is adapted with clamping push rod 15, the one end of clamping push rod 15 away from cushion block 14 sequentially passes through sleeve pipe 12, crank 4 and rectangular channel 8 simultaneously
The stopper slot 7 opened up with the left side of contiguous block 9 contacts, what the sleeve pipe 12 and the inside of sleeve pipe 12 set by the left side of crank 4 was set
Garter spring 13, cushion block 14 and clamping push rod 15, being adapted by clamping push rod 15 and stopper slot 7 can make connecting rod 5 have limit
The function of position prevents the activity of connecting rod 5, and the lower section of crank 4 is provided with connecting rod 5, contiguous block 9 away from the inwall of rectangular channel 8 one
End is fixedly connected through rectangular channel 8 and with the connecting rod 5 that the lower section of crank 4 is set, threaded one end of the connecting rod 5 away from contiguous block 9
It is connected with pedal 6.
Operation principle：This is easy to the bicycle crank folded, the rectangular channel 8 and rectangular channel 8 opened up by the bottom of crank 4
The contiguous block 9 that inside is set, through rectangular channel 8 and contiguous block 9 crank 4 can be made to be movably hinged with connecting rod 5 by bearing pin 11, led to
Crossing connecting rod 5 and being rotated along bearing pin 11 can be folded connecting rod 5, effectively reduce crank 4 and the sky shared by pedal 6
Between, make the bicycle volume after folding smaller, the clamping that the sleeve pipe 12 and the inside of sleeve pipe 12 set by the left side of crank 4 is set
Spring 13, cushion block 14 and clamping push rod 15, connecting rod 5 can be made with spacing by being adapted by clamping push rod 15 and stopper slot 7
Function prevents the activity of connecting rod 5, and clamping push rod 15 is held out against by garter spring 13, connecting rod 5 can be made more stable, the company of preventing
The loosening of extension bar 5.
In summary, this is easy to the bicycle crank folded, the rectangular channel 8 and rectangular channel 8 opened up by the bottom of crank 4
The contiguous block 9 that inside is set, through rectangular channel 8 and contiguous block 9 crank 4 can be made to be movably hinged with connecting rod 5 by bearing pin 11, led to
Crossing connecting rod 5 and being rotated along bearing pin 11 can be folded connecting rod 5, effectively reduce crank 4 and the sky shared by pedal 6
Between, make the bicycle volume after folding smaller.
Also, this is easy to the bicycle crank folded, set inside the sleeve pipe 12 and sleeve pipe 12 set by the left side of crank 4
Garter spring 13, cushion block 14 and the clamping push rod 15 put, being adapted by clamping push rod 15 and stopper slot 7 can have connecting rod 5
The function of limited location prevents the activity of connecting rod 5, and clamping push rod 15 is held out against by garter spring 13, and connecting rod 5 can be made more steady
It is fixed, the loosening of connecting rod 5 is prevented, effectively increases the stability of the folding of crank 4.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of bicycle crank for being easy to fold, including axis（1）, it is characterised in that：The axis（1）Roll inside connect
It is connected to rotating shaft（2）, the rotating shaft（2）Input run through axis（1）And extend to axis（1）Outside, the rotating shaft（2）'s
Input is fixed and is plugged with crank（4）, the crank（4）Front be provided with fixing nut（3）, the fixing nut（3）'s
The fillet of screw and rotating shaft（2）Threaded connection, the crank（4）Bottom offer rectangular channel（8）, the rectangular channel（8）Inside
Movable sleeve is connected to contiguous block（9）, the crank（4）Right side be provided with limited block（10）, the limited block（10）Left side consolidate
Surely it is connected with bearing pin（11）, the bearing pin（11）Away from limited block（10）One end sequentially pass through crank（4）And contiguous block（9）And
Extend to crank（4）Left side, the contiguous block（9）Left side offer stopper slot（7）, the crank（4）Left side fix
It is connected with sleeve pipe（12）, described sleeve pipe（12）Internal activity be connected with garter spring（13）, the garter spring（13）It is remote
Sleeve pipe（12）One end of inwall is fixedly connected with cushion block（14）, the cushion block（14）Away from garter spring（13）Side fix connect
It is connected to clamping push rod（15）, the clamping push rod（15）Away from cushion block（14）One end sequentially pass through sleeve pipe（12）, crank（4）With
Rectangular channel（8）And and contiguous block（9）The stopper slot that left side opens up（7）Contact, the crank（4）Lower section be provided with connecting rod
（5）, the contiguous block（9）Away from rectangular channel（8）Rectangular channel is run through in one end of inwall（8）And and crank（4）The company that lower section is set
Extension bar（5）It is fixedly connected, the connecting rod（5）Away from contiguous block（9）Threaded one end be connected with pedal（6）.
A kind of 2. bicycle crank for being easy to fold according to claim 1, it is characterised in that：The limited block（10）'s
Quantity has two, two limited blocks（10）With bearing pin（11）It is symmetrical arranged for axis.
A kind of 3. bicycle crank for being easy to fold according to claim 1, it is characterised in that：The crank（4）Bottom
Portion offers two rectangular channels（8）, two rectangular channels（8）With crank（4）It is symmetrical arranged for axis.
A kind of 4. bicycle crank for being easy to fold according to claim 1, it is characterised in that：The rectangular channel（8）With
Contiguous block（9）It is adapted, the crank（4）Pass through bearing pin（11）With connecting rod（5）It is movably hinged.
A kind of 5. bicycle crank for being easy to fold according to claim 1, it is characterised in that：The stopper slot（7）'s
The rounded groove of shape, the stopper slot（7）With clamping push rod（15）It is adapted.
A kind of 6. bicycle crank for being easy to fold according to claim 1, it is characterised in that：The crank（4）It is outer
Surface and sleeve pipe（12）It is welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999874.6A CN107697218A (en) | 2017-10-24 | 2017-10-24 | A kind of bicycle crank for being easy to fold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999874.6A CN107697218A (en) | 2017-10-24 | 2017-10-24 | A kind of bicycle crank for being easy to fold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107697218A true CN107697218A (en) | 2018-02-16 |
Family
ID=61182711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710999874.6A Pending CN107697218A (en) | 2017-10-24 | 2017-10-24 | A kind of bicycle crank for being easy to fold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107697218A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112537392A (en) * | 2020-12-30 | 2021-03-23 | 句容泰佳自行车配件有限公司 | Foldable crank of bicycle and using method thereof |
| CN113695829A (en) * | 2021-08-26 | 2021-11-26 | 涡阳阿科索机械有限公司 | Auxiliary positioning device for axle welding |
-
2017
- 2017-10-24 CN CN201710999874.6A patent/CN107697218A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112537392A (en) * | 2020-12-30 | 2021-03-23 | 句容泰佳自行车配件有限公司 | Foldable crank of bicycle and using method thereof |
| CN112537392B (en) * | 2020-12-30 | 2022-07-19 | 句容泰佳自行车配件有限公司 | Foldable crank of bicycle and using method thereof |
| CN113695829A (en) * | 2021-08-26 | 2021-11-26 | 涡阳阿科索机械有限公司 | Auxiliary positioning device for axle welding |
| CN113695829B (en) * | 2021-08-26 | 2023-06-23 | 涡阳阿科索机械有限公司 | Auxiliary positioning device for axle welding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107697218A (en) | A kind of bicycle crank for being easy to fold | |
| CN203410567U (en) | Portable folding multifunctional bicycle | |
| CN103082593A (en) | Supporting rod | |
| CN203842245U (en) | Damping spinning | |
| CN109665017B (en) | Pedal driven bicycle | |
| CN203854803U (en) | Foldable flat-ground bicycle | |
| CN108825114A (en) | Multi-functional high-intensitive folding household ladder | |
| CN211568199U (en) | Foldable handlebar and portable scooter | |
| DE202008013079U1 (en) | Collapsible bicycle | |
| CN208470027U (en) | A kind of detachable frame and detachable bicycle | |
| CN211893515U (en) | Foldable carbon fiber bicycle frame | |
| CN201380920Y (en) | folding bike | |
| CN206871267U (en) | A kind of folded bicycle front fork structure and folded bicycle | |
| CN201338694Y (en) | Push-pull folding bicycle | |
| CN219029650U (en) | Single-wheel bicycle | |
| CN100366498C (en) | Folding device for parking bicycle | |
| CN109162631A (en) | Multi-functional high-intensitive folding household ladder | |
| CN102602487A (en) | Tricycle with two front wheels foldable | |
| CN219815178U (en) | Foldable elliptical machine | |
| CN104401444A (en) | Center shaft applicable to bicycle | |
| CN203473126U (en) | Novel compact-type folding bicycle | |
| CN204674748U (en) | A kind of Foldable state-board | |
| CN219192467U (en) | Driving system and bicycle | |
| CN208021651U (en) | A kind of folding electric handlebar | |
| CN219821620U (en) | Foldable saddle of two-wheel vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180216 |