CN107804412A - A kind of municipal bicycle of convenient management - Google Patents
A kind of municipal bicycle of convenient management Download PDFInfo
- Publication number
- CN107804412A CN107804412A CN201711077117.XA CN201711077117A CN107804412A CN 107804412 A CN107804412 A CN 107804412A CN 201711077117 A CN201711077117 A CN 201711077117A CN 107804412 A CN107804412 A CN 107804412A
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- China
- Prior art keywords
- brake
- rotating disk
- cable
- brake cable
- wheel
- 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.)
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- 230000009286 beneficial effect Effects 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
- B62L1/02—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
- B62H5/00—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles
- B62H5/14—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles preventing wheel rotation
- B62H5/18—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles preventing wheel rotation acting on a braking device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L3/00—Brake-actuating mechanisms; Arrangements thereof
- B62L3/02—Brake-actuating mechanisms; Arrangements thereof for control by a hand lever
- B62L3/026—Brake-actuating mechanisms; Arrangements thereof for control by a hand lever actuation by a turning handle or handlebar
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention provides a kind of municipal bicycle of convenient management, including brake head, first brake line and brake lever, brake head, first brake line and brake lever to be sequentially connected；Also include the second brake cable, spooler and lock component；Second brake cable connects brake head, and the termination of the second brake cable is wound by spooler, and spooler is wound or unreeled to the second brake cable by motor driving；Lock component includes support base, support frame and rotating disk；Support base is on the wheel shaft of wheel；The side connecting support seat of support frame, and with the open-shaped state of vehicle wheel rotation, the opposite side connection rotating disk of support frame, and make rotating disk close to support base in open configuration；The center of rotating disk is provided with binding post, and binding post connects brake head by the 3rd brake cable；And when rotating disk is with vehicle wheel rotation, the 3rd brake cable makes brake head band-type brake.The municipal bicycle of convenient management proposed by the present invention, can still shove along after bicycle is locked.
Description
Technical field
The present invention relates to shared bicycle technical field, more particularly to a kind of municipal bicycle of convenient management.
Background technology
Shared bicycle refers to that enterprise carries in campus, subway station, bus station, residential block, shopping centre, common service area etc.
Bicycle shared service of driving a vehicle is provided from, is a kind of timesharing leasehold mode.Shared bicycle is a kind of shared economy of novel environment friendly.
Although shared bicycle brings many facilities to traveler, also certain difficulty is brought to municipal administration.With subway
Exemplified by standing, in the work hours of morning peak, subway has been fully parked with shared bicycle.And user is stopped to catch up with the work hours
This respect seems that comparison is random, therefore brings extensive work to municipal administration personnel.For example if bicycle is not parked in by user
Reasonable diamond, it is necessary to which bicycle is moved to reasonable diamond by municipal administration personnel.And bicycle cannot push after locking
Walk, can only remove, so bringing extensive work to municipal administration personnel.
The content of the invention
To solve above-mentioned technical problem, the present invention proposes a kind of municipal bicycle of convenient management, after bicycle is locked
It can still shove along, so reducing workload to municipal administration personnel.
To achieve the above object, the invention provides following technical scheme：
A kind of municipal bicycle of convenient management, including brake head, first brake line and brake lever, the brake head, the first brake
Line and the brake lever are sequentially connected；
Also include the second brake cable, spooler and lock component；
Second brake cable connects the brake head, and the termination of second brake cable is wound by the spooler, institute
Spooler is stated second brake cable is wound or unreeled by motor driving, and the spooler in locking
Second brake cable is wound, in unblock, the spooler unreels to second brake cable；
The lock component includes support base, support frame and rotating disk；
The support base is on the wheel shaft of wheel；
The side of the support frame connects the support base, and with the open-shaped state of the vehicle wheel rotation, the support
The opposite side of skeleton connects the rotating disk, and makes the rotating disk close to the support base in open configuration；
The center of the rotating disk is provided with binding post, and the binding post connects second brake cable by the 3rd brake cable；
And when the rotating disk is with the vehicle wheel rotation, the 3rd brake cable pulls second brake cable to embrace the brake head
Lock.
As a kind of embodiment, the support base is on the wheel shaft of back wheels of vehicle.
As a kind of embodiment, the lock component includes two, and one of them is located at the wheel shaft one of the wheel
End, other in which are located at the wheel shaft other end of the wheel.
As a kind of embodiment, the support frame includes the monoskeleton of multiple circumference array, multiple single bones
One end of frame is respectively protruding into the rotating disk with the support seat hinge, the other end of multiple monoskeletons respectively；
The rotating disk is provided with the elongated chute of multiple radial directions circumferentially, and the other end of multiple monoskeletons is respectively protruding into
In multiple elongated chutes；
Wherein, when the rotating disk is with the vehicle wheel rotation, multiple monoskeletons make the rotating disk because centrifuging open-shaped state
Close to the support base.
As a kind of embodiment, the brake head includes first single lock and second single lock, and first single lock is provided with
First brake piece and first brake single line, the first brake single line connect the first brake piece and for controlling described the
One brake block；Second single lock is provided with the second brake block and the second brake single line, and described second brakes described in single line connection
Second brake block and for controlling second brake block；
The first brake single line connects the brake lever with the described second brake single line by the first brake line, and described first
Brake single line also connects the spooler, the first brake single line with the described second brake single line by second brake cable
The binding post is also connected by the 3rd brake cable with the described second brake single line.
As a kind of embodiment, the first brake line, second brake cable and the 3rd brake cable are led to
Cross common wire and connect the first brake single line and the second brake single line.
The present invention is compared to the beneficial effect of prior art：
It is similar with existing shared bicycle the invention provides a kind of municipal bicycle of convenient management, entered by cell-phone customer terminal
Row car locking, and can still be shoved along after bicycle is locked, reduce workload to municipal administration personnel.Specifically, in mobile phone
Operated in client, the second brake cable is wound by server controls spooler, makes the line length of the second brake cable
Shorten.Now walked if push bicycle, because vehicle wheel rotational speed is slower, the second brake cable does not control brake head band-type brake.This
When walked if ride bicycle, because vehicle wheel rotational speed is very fast, open support frame, make rotating disk pull the second brake cable, second
Brake line traffic control brake head band-type brake.So can still be shoved along after bicycle is locked, but it cannot ride away, convenient municipal administration pipe
Reason personnel are managed.Accordingly, operated on cell-phone customer terminal, by server controls spooler to the second brake cable
Unreeled, restore the line length of the second brake cable.Even if vehicle wheel rotational speed is very fast, support frame is opened, rotating disk is pulled the
Two brake cables, the second brake cable can not control brake head band-type brake.
Brief description of the drawings
Fig. 1 is the side view of the municipal bicycle of convenient management provided in an embodiment of the present invention；
Fig. 2 is the brake head of municipal bicycle and the side view of brake cable of convenient management provided in an embodiment of the present invention；
Fig. 3 is the rearview of the municipal bicycle of convenient management provided in an embodiment of the present invention；
Fig. 4 is the partial view of the municipal bicycle for the convenient management that Fig. 3 is provided；
Fig. 5 is the partial sectional view of the municipal bicycle for the convenient management that Fig. 3 is provided.
In figure：1st, brake head；11st, first single lock；12nd, second single lock；13rd, first brake piece；14th, the second brake block；101、
First brake single line；102nd, the second brake single line；2nd, first brake line；3rd, brake lever；4th, the second brake cable；5th, spooler；6th, car
Lock set；61st, support base；62nd, support frame；621st, monoskeleton；63rd, rotating disk；631st, elongated chute；64th, binding post；7th, car
Wheel；8th, the 3rd brake cable；9th, common wire.
Embodiment
Below in conjunction with accompanying drawing, the technical characteristic above-mentioned and other to the present invention and advantage are clearly and completely described,
Obviously, described embodiment is only the section Example of the present invention, rather than whole embodiments.
Referring to Figures 1 and 2, a kind of municipal bicycle of convenient management is present embodiments provided, it includes the brake of brake head 1, first
Fare 2 and brake lever 3, in the present embodiment, brake head 1, first brake line 2 and brake lever 3 are sequentially connected, and are formed bicycle and ridden
Brake gear during row, i.e., it is similar with the brake gear of common bicycle.
Reference picture 2, Fig. 3, Fig. 4 and Fig. 5, the municipal bicycle of the convenient management also include the second brake cable 4, spooler
5 and lock component 6.
With reference first to Fig. 2, the second brake cable 4 connection brake head 1, the termination of the second brake cable 4 is received by spooler 5
Volume, spooler 5 are wound or unreeled to the second brake cable 4 by motor driving, and in locking spooler 5 to the
Two brake cables 4 are wound, and in unblock, spooler 5 unreels to the second brake cable 4.In the present embodiment, motor passes through clothes
Business device and cell-phone customer terminal establish connection, and it is similar to the barcode scanning of current shared bicycle and unlocked.In use, user passes through in mobile phone
Operated in client, such as barcode scanning operation, so as to be locked or be unlocked.Accordingly, if locked,
Spooler 5 is wound by motor driving to the second brake cable 4；If be unlocked, spooler 5 is driven to second by motor
Brake cable 4 is unreeled.Also, after spooler 5 is wound by motor driving to the second brake cable 4, the second brake cable 4
Line length is effective, and it can control brake head 1 to carry out band-type brake；The second brake cable 4 is unreeled by motor driving in spooler 5
Afterwards, the line length of the second brake cable 4 is invalid that it cannot control brake head 1 to carry out band-type brake.
The brake cable 4 of first brake line 2 and second is compared again.When bicycle is in the state of unblock, by operating lock
3 first brake line 2 can be made to control brake head 1 to carry out band-type brake, now the second brake cable 4 due to line length it is long, it is not possible to control
Brake head 1 carries out band-type brake.When bicycle is in the state of locking, by operating brake lever 3 first brake line 2 can be made to control brake head 1 to enter
Row band-type brake, now the second brake cable 4 due to line length it is normal, can also control brake head 1 carry out band-type brake.In fact, first brake line 2
And second be parallel arranged between brake cable 4, as long as the i.e. controllable brake head 1 of control one carries out band-type brake.
Referring next to Fig. 4 and Fig. 5, Fig. 4 shows the partial structurtes of the municipal bicycle of convenience management, and Fig. 5 shows this
The part section structure of the municipal bicycle of convenient management, Fig. 4 and Fig. 5 are rearviews.In figure, lock component 6 includes support base
61st, support frame 62 and rotating disk 63.Also, support base 61 is on the wheel shaft of wheel 7；The side connection of support frame 62
Support base 61, and as wheel 7 rotates open-shaped state, the opposite side connection rotating disk 63 of support frame 62, and opening
Make rotating disk 63 during state close to support base 61；The center of rotating disk 63 is provided with binding post 64, and binding post 64 passes through the 3rd brake
Line 8 connect brake head 1, and rotating disk 63 with wheel 7 rotates when, the 3rd brake cable 8 make brake head 1 progress band-type brake.
In the present embodiment, as wheel 7 rotates, the open-shaped state due to centrifugal motion of support frame 62, similar to umbrella
Hub, the umbrella hub of high-speed rotation is because centrifugal motion opens naturally, so as to which umbrella cover be opened.In the present embodiment, support frame 62 by
In the open-shaped state of centrifugal motion, so as to drive rotating disk 63 close to support base 61, so as to pull the 3rd brake cable 8 and
Two brake cables 4.Now if bicycle is in the state of locking, brake head 1 can be controlled to carry out band-type brake.
To sum up, the municipal bicycle for the convenient management that the present embodiment provides, it is similar with existing shared bicycle, pass through mobile phone visitor
Family end carries out car locking, and can still be shoved along after bicycle is locked, and workload is reduced to municipal administration personnel.Locked in bicycle
Determine state, walked if push bicycle, because the rotating speed of wheel 7 is slower, the second brake cable 4 does not control the band-type brake of brake head 1.If
Ride bicycle to walk, because the rotating speed of wheel 7 is very fast, open support frame 62, rotating disk 63 is pulled the second brake cable 4, second stops
Fare 4 controls the band-type brake of brake head 1.So can still be shoved along after bicycle is locked, but it cannot ride away, convenient municipal administration pipe
Reason personnel are managed.Accordingly, in bicycle released state, even if the rotating speed of wheel 7 is very fast, support frame 62 is opened, makes to turn
Disk 63 pulls the second brake cable 4, and the second brake cable 4 can not control the band-type brake of brake head 1.
Reference picture 1, in one embodiment, support base 61 is on the wheel shaft of back wheels of vehicle.
In the present embodiment, actually by lock component 6 and brake head 1 on the wheel shaft of back wheels of vehicle, i.e., the lock to trailing wheel
First 1 carries out band-type brake.Because the weight of bicycle has focused largely on trailing wheel, and trailing wheel is driving wheel in ride.So pass through
Trailing wheel is controlled and can more be facilitated.
Reference picture 5, in one embodiment, lock component 6 include two, and one of them is located at wheel shaft one end of wheel 7,
Other in which is located at the wheel shaft other end of wheel 7.
In the present embodiment, two support frames 62 rotate open-shaped state simultaneously with wheel 7.Only turn during use at one
Binding post 64 is set to connect the 3rd brake cable 8 on disk 63, another rotating disk 63 makes lock component 6 overall when wheel 7 rotates
Keep balance.
Reference picture 5, in one embodiment, support frame 62 include the monoskeleton 621 of multiple circumference array, multiple single bones
One end of frame 621 is be hinged with support base 61 respectively, and the other end of multiple monoskeletons 621 is respectively protruding into rotating disk 63；On rotating disk 63
Elongated chute 631 provided with multiple radial directions circumferentially, the other end of multiple monoskeletons 621 are respectively protruding into multiple elongated chutes
In 631；Wherein, rotating disk 63 with wheel 7 rotate when, multiple monoskeletons 621 make rotating disk 63 close to branch because centrifuging open-shaped state
Support seat 61.
In the present embodiment, the monoskeleton 621 of multiple circumference array forms the structure similar to umbrella hub.Due to monoskeleton
621 because one end is hinged, so the other end can activity.In the present embodiment, the other end of monoskeleton 621 is in elongated chute 631
Interior sliding connection, rotating disk 63 with wheel 7 rotates when, multiple monoskeletons 621 are because of the open-shaped state of centrifugation, simultaneously because monoskeleton
621 and rotating disk 63 sliding coordinate, make rotating disk 63 close to support base 61., can be with during rotating disk 63 is close to support base 61
The 3rd brake cable 8 is pulled, so as to pull the second brake cable 4, now if bicycle is in the state of locking, brake head 1 can be controlled
Carry out band-type brake.Accordingly, rotating disk 63 with wheel 7 stop operating when, multiple monoskeletons 621 because centrifugation be in rounding state, simultaneously
Because the sliding of monoskeleton 621 and rotating disk 63 coordinates, make rotating disk 63 away from support base 61.In mistake of the rotating disk 63 away from support base 61
Cheng Zhong, the 3rd brake cable 8 can be unclamped.
Reference picture 2, in one embodiment, brake head 1 include first single 11 and second single lock 12 of lock, are set on first single lock 11
There are a first brake piece 13 and first brake single line 101, first brake single line 101 connects first brake piece 13 and for controlling the
One brake block 13；Second single lock 12 is provided with the second brake block 14 and the second brake single line 102, and the second brake single line 102 connects
Second brake block 14 and for control the second brake block 14；The brake single line 102 of first brake single line 101 and second passes through first
Brake cable 2 connects brake lever 3, and first brake single line 101 and second brakes single line 102 also by the second brake cable 4 connection spooler
5, first brake single line 101 and second brakes single line 102 also by the 3rd brake cable 8 connection binding post 64.
Reference picture 2, in one embodiment, first brake line 2, the second brake cable 4 and the 3rd brake cable 8 pass through public affairs
Conllinear 9 connection first brake single line 101 and the second brake single line 102.
In the present embodiment, first brake line 2, the second brake cable 4 and the 3rd brake cable 8 are actually subjected to three conjunctions
One.In use, first brake line 2 is used alone brake head 1 can be controlled to carry out band-type brake, the second brake cable 4 is used alone can also
Brake head 1 is controlled to carry out band-type brake, the 3rd brake cable 8, which is used alone, cannot control brake head 1 to carry out band-type brake, and the 3rd brake cable 8 needs
It is attached in the second brake cable 4, drives the second brake cable 4 by the 3rd brake cable 8 so as to control brake head 1 to carry out band-type brake.
Particular embodiments described above, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, it will be appreciated that the foregoing is only the specific embodiment of the present invention, the protection being not intended to limit the present invention
Scope.Particularly point out, to those skilled in the art, within the spirit and principles of the invention, that is done any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (6)
1. a kind of municipal bicycle of convenient management, it is characterised in that including brake head (1), first brake line (2) and brake lever
(3), the brake head (1), the first brake line (2) and the brake lever (3) are sequentially connected；
Also include the second brake cable (4), spooler (5) and lock component (6)；
Second brake cable (4) connects the brake head (1), and the termination of second brake cable (4) passes through the spooler (5)
Being wound, the spooler (5) is wound or unreeled to second brake cable (4) by motor driving, and
In locking, the spooler (5) winds to second brake cable (4), and in unblock, the spooler (5) is to described
Second brake cable (4) is unreeled；
The lock component (6) includes support base (61), support frame (62) and rotating disk (63)；
The support base (61) is on the wheel shaft of wheel (7)；
The side of the support frame (62) connects the support base (61), and as the wheel (7) rotation is open-shaped
State, the opposite side of the support frame (62) connects the rotating disk (63), and leans on the rotating disk (63) in open configuration
The nearly support base (61)；
The center of the rotating disk (63) is provided with binding post (64), and the binding post (64) is connected by the 3rd brake cable (8)
Second brake cable (4)；And the rotating disk (63) with the wheel (7) rotate when, the 3rd brake cable (8) pulls
Second brake cable (4) makes the brake head (1) band-type brake.
2. the municipal bicycle of convenient management according to claim 1, it is characterised in that after the support base (61) is located at car
On the wheel shaft of wheel.
3. the municipal bicycle of convenient management according to claim 1, it is characterised in that the lock component (6) includes two
Individual, one of them is located at wheel shaft one end of the wheel (7), and other in which is located at the wheel shaft other end of the wheel (7).
4. the municipal bicycle of convenient management according to claim 1, it is characterised in that the support frame (62) includes more
The monoskeleton (621) of individual circumference array, one end of multiple monoskeletons (621) is be hinged with the support base (61) respectively, more
The other end of the individual monoskeleton (621) is respectively protruding into the rotating disk (63)；
The rotating disk (63) is provided with the elongated chute (631) of multiple radial directions circumferentially, multiple monoskeletons (621)
The other end is respectively protruding into multiple elongated chutes (631)；
Wherein, the rotating disk (63) with the wheel (7) rotate when, multiple monoskeletons (621) because centrifuge it is open-shaped
State, make the rotating disk (63) close to the support base (61).
5. the municipal bicycle of convenient management according to claim 1, it is characterised in that it is single that the brake head (1) includes first
Lock (11) and second single lock (12), first single lock (11) are provided with first brake piece (13) and first brake single line (101),
The first brake single line (101) connects the first brake piece (13) and for controlling the first brake piece (13)；Institute
Second single lock (12) is stated provided with the second brake block (14) and the second brake single line (102), the second brake single line (102) is even
Connect second brake block (14) and for controlling second brake block (14)；
The first brake single line (101) and the second brake single line (102) pass through described in the first brake line (2) connection
Brake lever (3), the first brake single line (101) and the second brake single line (102) are also connected by second brake cable (4)
The spooler (5) is connect, the first brake single line (101) and the second brake single line (102) are also stopped by the described 3rd
Fare (8) connects the binding post (64).
6. the municipal bicycle of convenient management according to claim 5, it is characterised in that the first brake line (2), described
Second brake cable (4) and the 3rd brake cable (8) connect the first brake single line (101) and institute by common wire (9)
State the second brake single line (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711077117.XA CN107804412B (en) | 2017-11-04 | 2017-11-04 | A kind of municipal bicycle facilitating management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711077117.XA CN107804412B (en) | 2017-11-04 | 2017-11-04 | A kind of municipal bicycle facilitating management |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107804412A true CN107804412A (en) | 2018-03-16 |
| CN107804412B CN107804412B (en) | 2019-10-08 |
Family
ID=61583455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711077117.XA Active CN107804412B (en) | 2017-11-04 | 2017-11-04 | A kind of municipal bicycle facilitating management |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107804412B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204645A (en) * | 2018-05-18 | 2019-01-15 | 孙健鹏 | A kind of rickshaw |
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| US20040182655A1 (en) * | 2003-03-18 | 2004-09-23 | Tan-Cheng Huang | Anti-lock brake system for a bicycle |
| CN201176242Y (en) * | 2007-12-13 | 2009-01-07 | 李正清 | Auto speed limiting safety installation for bicycle |
| CN203186530U (en) * | 2013-04-11 | 2013-09-11 | 刘铮 | Wheel speed limiting mechanism and bicycle |
| CN203638032U (en) * | 2013-10-22 | 2014-06-11 | 天津嘉豪自行车有限公司 | Bicycle brake device |
| CN104085487A (en) * | 2014-05-30 | 2014-10-08 | 长兴俊达塑胶玩具有限公司 | Electric children's bicycle capable of automatic speed limiting |
| CN104176188A (en) * | 2014-08-26 | 2014-12-03 | 刘慧军 | Mechanical-type automatic bicycle safety speed limiting device |
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2017
- 2017-11-04 CN CN201711077117.XA patent/CN107804412B/en active Active
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|---|---|---|---|---|
| CN2140341Y (en) * | 1992-10-30 | 1993-08-18 | 功腾实业股份有限公司 | Bicycle brake mechanism |
| US20040182655A1 (en) * | 2003-03-18 | 2004-09-23 | Tan-Cheng Huang | Anti-lock brake system for a bicycle |
| CN201176242Y (en) * | 2007-12-13 | 2009-01-07 | 李正清 | Auto speed limiting safety installation for bicycle |
| CN203186530U (en) * | 2013-04-11 | 2013-09-11 | 刘铮 | Wheel speed limiting mechanism and bicycle |
| CN203638032U (en) * | 2013-10-22 | 2014-06-11 | 天津嘉豪自行车有限公司 | Bicycle brake device |
| CN104085487A (en) * | 2014-05-30 | 2014-10-08 | 长兴俊达塑胶玩具有限公司 | Electric children's bicycle capable of automatic speed limiting |
| CN104176188A (en) * | 2014-08-26 | 2014-12-03 | 刘慧军 | Mechanical-type automatic bicycle safety speed limiting device |
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| CN109204645A (en) * | 2018-05-18 | 2019-01-15 | 孙健鹏 | A kind of rickshaw |
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| Publication number | Publication date |
|---|---|
| CN107804412B (en) | 2019-10-08 |
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