CN106542043A - A kind of centrifugal mechanism - Google Patents
A kind of centrifugal mechanism Download PDFInfo
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- CN106542043A CN106542043A CN201611194298.XA CN201611194298A CN106542043A CN 106542043 A CN106542043 A CN 106542043A CN 201611194298 A CN201611194298 A CN 201611194298A CN 106542043 A CN106542043 A CN 106542043A
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- China
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- statement
- pallet piece
- federally sponsored
- ratchet
- torsion spring
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- 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
- B62M23/00—Transmissions characterised by use of other elements; Other transmissions
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The present invention relates to a kind of centrifugal mechanism, including：Ratchet, ratchet fixed mount, several pallet pieces, at least one STATEMENT OF FEDERALLY SPONSORED and the elastic component for controlling pallet piece initial position, the elastic component is mountable on ratchet fixed mount or on pallet piece or in STATEMENT OF FEDERALLY SPONSORED, the pallet piece includes first end, the second end and the first installation portion, the STATEMENT OF FEDERALLY SPONSORED includes the 3rd end, 4th end and the second installation portion, 3rd end of the second end and/or STATEMENT OF FEDERALLY SPONSORED of the pallet piece is provided with balancing weight, the 4th end along STATEMENT OF FEDERALLY SPONSORED described in radial direction is limited in the inner side of pallet piece first end, 3rd end of the STATEMENT OF FEDERALLY SPONSORED is limited in the inner side of the second end of pallet piece or the first end along pallet piece described in radial direction be limited in STATEMENT OF FEDERALLY SPONSORED the 4th end inner side, the second end of the pallet piece is limited in the inner side of the 3rd end of STATEMENT OF FEDERALLY SPONSORED.Ratchet spring force in centrifugal work is accordingly progressively to reduce, so that stability is higher when whole centrifugal mechanism works.
Description
【Technical field】
The present invention relates to bicycle art, more particularly to it is a kind of for self-shifting centrifugal mechanism.
【Background technology】
Bicycle speed-varying unit is divided into two kinds of internal speed changer and outer speed changer, outer speed changer be adopt open link chain mechanism for
Transmission system, realizes different chains by stirring the selector being installed in front of bicycle and transforming to chain on different flywheels
Bar gearratio, as outer speed changer is exposed outside, therefore is easier to get rusty, and is easily disturbed by external force, so Jing
Periodic maintenance is often needed to maintain, internal speed changer mainly using planetary gears as transmission main body, is sealed in inside flower-drum,
Through multilayer special seal material protection, so rainwater, dust, grease etc. cannot be introduced into, therefore without the need for time-based maintenance, realize and exempt from
The advantage of maintenance.Internal speed changer is divided into manual internal speed changer and full-automatic internal speed changer again, the full-automatic internal speed-changing of existing bicycle
Device controls the switch working state of ratchet generally by the centrifugal work of several centrifugal-blocks, and complex structure, stability are poor.
Therefore, it is necessary to provide it is a kind of solve above-mentioned technical problem for self-shifting centrifugal mechanism.
【The content of the invention】
To solve the above problems, it is an object of the invention to provide a kind of centrifugal mechanism for improving mechanical stability.
For achieving the above object, the technical scheme taken of the present invention is：A kind of centrifugal mechanism, including：Ratchet, ratchet are fixed
Frame, several pallet pieces, at least one STATEMENT OF FEDERALLY SPONSORED and the elastic component for controlling pallet piece initial position, the ratchet are set in spine
Between the outside of pawl fixed mount, the pallet piece and STATEMENT OF FEDERALLY SPONSORED are arranged between ratchet and ratchet fixed mount and are in a circumferential direction
Every arrangement, the pallet piece is installed on ratchet fixed mount by the first connector, and the STATEMENT OF FEDERALLY SPONSORED is pacified by the second connector
Loaded on ratchet fixed mount, the elastic component is mountable on ratchet fixed mount or on pallet piece or in STATEMENT OF FEDERALLY SPONSORED, the ratchet
Part includes first end, the second end and the first installation portion being arranged between first end and the second end, several pallet pieces
In at least one pallet piece the second end outer wall at be provided with the ratchet portion being engaged with ratchet, the first of the pallet piece
Installation portion is provided with the first installing hole for the first connector of installation, and the STATEMENT OF FEDERALLY SPONSORED includes the 3rd end, the 4th end and sets
The second installation portion being placed between the 3rd end and the 4th end, the second installation portion of the STATEMENT OF FEDERALLY SPONSORED are provided with for installing second
Second installing hole of connector, the 3rd end of the second end and/or STATEMENT OF FEDERALLY SPONSORED of the pallet piece are provided with balancing weight, along radius
4th end of STATEMENT OF FEDERALLY SPONSORED described in direction is limited in the inner side of pallet piece first end, the 3rd end of the STATEMENT OF FEDERALLY SPONSORED is limited in
The inner side of the second end of pallet piece or the first end along pallet piece described in radial direction are limited in the 4th end of STATEMENT OF FEDERALLY SPONSORED
Inner side, the second end of the pallet piece be limited in the inner side of the 3rd end of STATEMENT OF FEDERALLY SPONSORED.
Preferably, a kind of above-mentioned centrifugal mechanism is further arranged to：The ratchet fixed mount includes：Circular base portion and
From several mounting seats that the outer wall of circular base portion stretches out, the STATEMENT OF FEDERALLY SPONSORED and pallet piece are respectively arranged in mounting seat.
Preferably, a kind of above-mentioned centrifugal mechanism is further arranged to：It is provided with the outer wall of the 3rd end of the STATEMENT OF FEDERALLY SPONSORED
The ratchet portion being engaged with ratchet.
Preferably, a kind of above-mentioned centrifugal mechanism is further arranged to：The elastic component be torsion spring, the torsion spring include circle
Shape installation portion and the first torque arm protruded out from circular mounting portion and the second torque arm.
Preferably, a kind of above-mentioned centrifugal mechanism is further arranged to：First torque arm of the torsion spring and adjacent its
In the first end of a pallet piece abut against, the second torque arm of the torsion spring and the second end of another adjacent pallet piece
Abut against, the torsion spring respectively above-mentioned first end and the second end are applied from center of circle direction it is outside for controlling pallet piece
The elastic force of initial position, the circular mounting portion of the torsion spring are sheathed on the second connector or are installed on by the 3rd connector
On the ratchet fixed mount or in STATEMENT OF FEDERALLY SPONSORED.
Preferably, a kind of above-mentioned centrifugal mechanism is further arranged to：First torque arm of the torsion spring and adjacent its
In the first end of a pallet piece abut against, the second torque arm of the torsion spring and the second end of another adjacent pallet piece
Abut against, the torsion spring applies initial for controlling pallet piece to center of circle direction to above-mentioned first end and the second end respectively
The elastic force of position, the circular mounting portion of the torsion spring are sheathed on the second connector or are installed on by the 3rd connector described
On ratchet fixed mount or in STATEMENT OF FEDERALLY SPONSORED.
Preferably, a kind of above-mentioned centrifugal mechanism is further arranged to：The circular mounting portion of the torsion spring directly can be arranged
On the first connector or on the second connector, also can be installed on ratchet fixed mount by the 3rd connector, pallet piece or connection
On moving part, first torque arm and the second torque arm of the torsion spring are abutted against with pallet piece or while are offseted with STATEMENT OF FEDERALLY SPONSORED simultaneously
Connect.
Preferably, a kind of above-mentioned centrifugal mechanism is further arranged to：First torque arm of the torsion spring and pallet piece
First end or the second end are abutted against, and the second torque arm of the torsion spring is offseted with the 3rd end of STATEMENT OF FEDERALLY SPONSORED or the 4th end
Connect, to apply to be used for the elastic force for controlling pallet piece initial position, the circular mounting portion of the torsion spring can be directly sleeved on first
On connector or on the second connector, also can be installed on ratchet fixed mount by the 3rd connector, in pallet piece or STATEMENT OF FEDERALLY SPONSORED.
Preferably, a kind of above-mentioned centrifugal mechanism is further arranged to：The circular mounting portion is sheathed on the first connector
Above or it is installed on ratchet fixed mount or on pallet piece by the 3rd connector, the first torque arm and the STATEMENT OF FEDERALLY SPONSORED of the torsion spring
4th end abuts against, and the second torque arm and the ratchet fixed mount of the torsion spring are mutually fixed, and first torque arm is along radius side
To the 4th end to STATEMENT OF FEDERALLY SPONSORED from the outside elastic force for controlling pallet piece initial position in the center of circle.
Preferably, a kind of above-mentioned centrifugal mechanism is further arranged to：The circular mounting portion is sheathed on the second connector
Above or it is installed on ratchet fixed mount or in STATEMENT OF FEDERALLY SPONSORED by the 3rd connector, the first torque arm and the pallet piece of the torsion spring
First end is abutted against, and the second torque arm and the ratchet fixed mount of the torsion spring are mutually fixed, and first torque arm is along radius side
To the first end to pallet piece from the outside elastic force for controlling pallet piece initial position in the center of circle.
Preferably, a kind of above-mentioned centrifugal mechanism is further arranged to：First connector, the second connector and part
Three connectors are pin.
Preferably, a kind of above-mentioned centrifugal mechanism is further arranged to：The second end of the pallet piece and STATEMENT OF FEDERALLY SPONSORED
Cooperation between 3rd end is arranged in tooth engagement.
Preferably, a kind of above-mentioned centrifugal mechanism is further arranged to：The first end of the pallet piece and STATEMENT OF FEDERALLY SPONSORED
Cooperation between 4th end is arranged in tooth engagement.
Preferably, a kind of above-mentioned centrifugal mechanism is further arranged to：The pallet piece is in gradually with the mating surface of STATEMENT OF FEDERALLY SPONSORED
The shape that bursts at the seams is arranged.
Compared with prior art, the present invention has the advantages that：Centrifugal mechanism in the present invention, not only centrifugal ratchet
Part can produce centrifugal force, and STATEMENT OF FEDERALLY SPONSORED can also produce centrifugal force, so as to substantially increase the centrifugal force of centrifugal mechanism so that it is whole from
The more miniaturization that concentric mechanism can be arranged, while the centrifugal mechanism of this kind of structure can arrange more centrifugal ratchet quantity,
And ratchet spring force in centrifugal work progressively reduces, centrifugation gearshift moment good stability, so that whole centrifugal mechanism
During work, stability is higher.
【Description of the drawings】
Fig. 1 is the decomposition texture schematic diagram of centrifugal mechanism in embodiment 1 in the present invention.
Fig. 2 is the cross section structure diagram of centrifugal mechanism in embodiment 1 in the present invention.
Fig. 3 is the structural representation of ratchet fixed mount in embodiment 1 in the present invention.
Fig. 4 is the cross section structure diagram of centrifugal mechanism in embodiment 2 in the present invention.
Fig. 5 is the cross section structure diagram of centrifugal mechanism in embodiment 3 in the present invention.
Fig. 6 is the cross section structure diagram of centrifugal mechanism in embodiment 4 in the present invention.
Fig. 7 is the cross section structure diagram of centrifugal mechanism in embodiment 5 in the present invention.
In Fig. 1 to Fig. 7：1st, ratchet, 10, ratchet, 2, ratchet fixed mount, 20, circular base portion, 21, mounting seat, 210, pin
Hole, 22, torsion spring, 220, circular mounting portion, the 221, first torque arm, the 222, second torque arm, 3, pallet piece, 30, first end,
31st, the second end, 310, ratchet portion, 311,400, balancing weight, the 32, first installation portion, the 320, first installing hole, 4, STATEMENT OF FEDERALLY SPONSORED,
40th, the 3rd end, the 41, the 4th end, the 42, second installation portion, the 420, second installing hole.
【Specific embodiment】
Below by specific embodiment to of the present invention a kind of further for self-shifting centrifugal mechanism work
Describe in detail.
Embodiment 1
Shown in ginseng Fig. 1 to Fig. 3, the invention discloses a kind of be used for self-shifting centrifugal mechanism, mainly by ratchet 1, spine
A few parts such as 2, three pallet pieces 3 of pawl fixed mount and three STATEMENT OF FEDERALLY SPONSOREDs 4 are constituted, wherein three pallet pieces 3 and three STATEMENT OF FEDERALLY SPONSOREDs 4 set
It is placed between ratchet 1 and ratchet fixed mount 2, and in a circumferential direction in being intervally arranged, i.e., per setting between two adjacent pallet pieces 3
Put a STATEMENT OF FEDERALLY SPONSORED 4.
The ratchet 1 is located at the outside of ratchet fixed mount 2, and the inner peripheral surface of the ratchet 1 is provided with ratchet 10.
The ratchet fixed mount 2 includes several peaces that circular base portion 20 and the outer wall from circular base portion 20 stretch out
Dress seat 21, offers the pin-and-hole 210 for mounting pin in the mounting seat 21, the mounting seat 21 is provided with for controlling ratchet
The torsion spring 22 of 3 initial position of part, the first torsion that the torsion spring 22 includes circular mounting portion 220 and protrudes out from circular mounting portion 220
Power bar 221 and the second torque arm 222, in the present embodiment, the circular mounting portion 220 is installed in the first installing hole 320
Pin on, the first torque arm 221 along radial direction to STATEMENT OF FEDERALLY SPONSORED 4 the 4th end 41 it is outside for controlling at the beginning of pallet piece 3
The elastic force of beginning position, the second torque arm 222 are fixed on ratchet fixed mount 2, certainly in other implementations, the circle
Shape installation portion 220 is also mountable on the pin in the second installing hole 420, and the first torque arm 221 is along radial direction to pallet piece 3
The outside elastic force for controlling 3 initial position of pallet piece of first end 30, the second torque arm 222 is fixed on ratchet and fixes
On frame 2, the present invention can be equally realized, certainly in other implementations, the circular mounting portion 220 can also be by the
Three connectors are arranged on pallet piece fixed mount or on pallet piece or in STATEMENT OF FEDERALLY SPONSORED, i.e., circular mounting portion 220 is except being mountable to
On pin in hole 320 and hole 420, it can be installed on ratchet fixed mount or pallet piece with the connector for example, by pin etc
Or at the other positions of STATEMENT OF FEDERALLY SPONSORED, can equally realize the present invention.So arrange and be advantageous in that：The STATEMENT OF FEDERALLY SPONSORED in centrifugal work
221 effective arm of force of the first torque arm that the 4th end 41 contacts on 4 is elongated, and the elastic force of contact point diminishes, while connecing
The component that effective torque is provided to the 4th end of STATEMENT OF FEDERALLY SPONSORED 4 41 on contact also diminishes, it is comprehensive of both factor, STATEMENT OF FEDERALLY SPONSORED 4 from
The elastic force of the first torque arm 221 contacted in heart work accordingly can diminish, so that whole centrifugal mechanism is steady when working
It is qualitative higher.
The pallet piece 3 include first end 30, the second end 31 and be arranged at first end 30 and the second end 31 it
Between the first installation portion 32, first installation portion 32 is provided with the first installing hole 320 for mounting pin, sells through the first peace
Hole 320 and the pin-and-hole 210 on ratchet fixed mount 2 are filled so as to pallet piece 3 is installed on ratchet fixed mount 2.In present embodiment
In, the ratchet portion 310 being engaged with ratchet 1 is equipped with the outer wall of the second end 31 of three pallet pieces 3.Certainly in others
In embodiment, it is also possible to which only one of which pallet piece arranges the ratchet portion or only two pallet pieces settings being engaged with ratchet
The ratchet portion being engaged with ratchet, can equally realize the present invention.
The STATEMENT OF FEDERALLY SPONSORED 4 include the 3rd end 40, the 4th end 41 and be arranged at the 3rd end 40 and the 4th end 41 it
Between the second installation portion 42, second installation portion 42 is provided with the second installing hole 420 for mounting pin, sells through the second peace
The pin-and-hole 210 of hole 420 and ratchet fixed mount 2 is filled so as to STATEMENT OF FEDERALLY SPONSORED 4 is installed on ratchet fixed mount 2.The STATEMENT OF FEDERALLY SPONSORED the 3rd
The ratchet portion (not shown) being engaged with ratchet 1 is provided with the outer wall of end 40, so as to the burden of pallet piece can be mitigated.
In the present embodiment, the 3rd end 40 of the second end 31 and STATEMENT OF FEDERALLY SPONSORED 4 of the pallet piece 3 is equipped with counterweight
Block 311,400, certainly in other implementations, also can arrange only on the second end 31 of pallet piece 3 balancing weight 311 or
Person only arranges balancing weight 400 in the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4, is also capable of achieving the present invention, along STATEMENT OF FEDERALLY SPONSORED described in radial direction 4
3rd end 40 is limited in the inner side of 3 the second end 31 of pallet piece, i.e., for center of radius, the 3rd end of STATEMENT OF FEDERALLY SPONSORED 4
Portion 40 will be closer to center of radius for the second end 31 of pallet piece 3.Along the of STATEMENT OF FEDERALLY SPONSORED described in radial direction 4
Four ends 41 are limited in the inner side of 3 first end 30 of pallet piece, i.e., for center of radius, the 4th of the STATEMENT OF FEDERALLY SPONSORED 4 the
End 41 will be closer to center of radius for the first end 30 of pallet piece 3.The pallet piece 3 and STATEMENT OF FEDERALLY SPONSORED 4
Mating surface is arranged in involute, is so arranged and is advantageous in that：The pendulum angle of pallet piece and the pendulum angle of STATEMENT OF FEDERALLY SPONSORED can be made
It is consistent.Cooperation between the second end 31 of the pallet piece 3 and the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 engages setting in tooth,
Function is to improve the precision of linkage.
In the present invention, the operation principle of centrifugal mechanism is：With the lifting of 2 speed of ratchet fixed mount, matching somebody with somebody on pallet piece 3
Balancing weight 400 on pouring weight 311 and STATEMENT OF FEDERALLY SPONSORED 4 produces centrifugal force, and balancing weight 311 is subject to centrifugal forces can be along away from radius
The direction motion at center, as ratchet portion 310 and the balancing weight 311 of pallet piece 3 are located at same one end, therefore band pawl portion 310
Also move along the direction away from axle center, so that the ratchet portion 310 on pallet piece 3 is meshed with ratchet 1, realize moving certainly
Gear.Pallet piece 3 with the linkage principle of STATEMENT OF FEDERALLY SPONSORED 4 is：Balancing weight 400 on the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 is affected by centrifugal force
Along moving away from the direction of center of radius, as the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 is limited in the of pallet piece 3 in the radial direction
On the inside of two ends 31, therefore drive the second end 31 of pallet piece 3 also to move along the direction away from center of radius, made by lever
With causing the first end 30 of pallet piece 3 to move to center of radius direction, as the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4 is in radial direction
The upper limit is located at the inner side of 3 first end 30 of pallet piece, therefore drives the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4 to transport to center of radius direction
It is dynamic, then the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 is moved along the direction away from center of radius by lever principle, circulated with this past
It is multiple, as long as therefore a pallet piece or a STATEMENT OF FEDERALLY SPONSORED motion will drive centrifugal ratchet and STATEMENT OF FEDERALLY SPONSORED on whole circumference direction
Motion, substantially increases the speed and stability of centrifugal mechanism gearshift.
Embodiment 2
Shown in ginseng Fig. 4, remaining structure of the centrifugal mechanism in the present embodiment is same as Example 1, and difference is：
In embodiment 1, the inner side of 3 the second end 31 of pallet piece is limited in along the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED described in radial direction 4, along half
4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4 described in the direction of footpath is limited in the inner side of 3 first end 30 of pallet piece, and in the present embodiment,
The inner side of the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 is limited in along the second end 31 of pallet piece described in radial direction 3, along radial direction institute
State the inner side that 3 first end 30 of pallet piece is limited in the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4.In the present embodiment, the circular peace
Dress portion 220 is installed on the pin in the second installing hole 420, the first torque arm 221 along radial direction to pallet piece 3 first end
Portion 30 is fixed on ratchet fixed mount from the outside elastic force for controlling 3 initial position of pallet piece in the center of circle, the second torque arm 222
On 2, certainly in other implementations, the circular mounting portion 220 is also mountable to the pin in the first installing hole 320
On, the first torque arm 221 along radial direction to STATEMENT OF FEDERALLY SPONSORED 4 the 4th end 41 it is outside for controlling 3 initial position of pallet piece
Elastic force, the second torque arm 222 is fixed on ratchet fixed mount 2, can equally realize the present invention, certainly in other enforcements
In mode, the circular mounting portion 220 can also by the 3rd connector be arranged on pallet piece fixed mount on or pallet piece on or
In STATEMENT OF FEDERALLY SPONSORED, i.e., circular mounting portion 220 is except, on the pin in being mountable to hole 320 and hole 420, it can be with for example, by pin
Etc connector be installed at the other positions of ratchet fixed mount or pallet piece or STATEMENT OF FEDERALLY SPONSORED, can equally realize the present invention.
So arrange and be advantageous in that：221 effective arm of force of the first torque arm that pallet piece 3 is contacted in centrifugal work is elongated, connects
The elastic force of contact diminishes, while also diminish to the component that pallet piece 3 provides effective torque in contact point, it is comprehensive of both because
Element, the elastic force of the first torque arm 221 contacted in 3 centrifugal work of pallet piece accordingly can diminish, so that whole be centrifuged
When mechanism works, stability is higher.
In the present embodiment, the operation principle of centrifugal mechanism is：With the lifting of 2 speed of ratchet fixed mount, on pallet piece 3
Balancing weight 400 on balancing weight 311 and STATEMENT OF FEDERALLY SPONSORED 4 produces centrifugal force, and balancing weight 311 is subject to centrifugal forces can be along away from partly
The direction motion at footpath center, as ratchet portion 310 and the balancing weight 311 of pallet piece 3 are located at same one end, therefore band pawl portion
310 also move along the direction away from axle center, so that the ratchet portion 310 on pallet piece 3 is meshed with ratchet 1, realize automatic
Gearshift.Pallet piece 3 with the linkage principle of STATEMENT OF FEDERALLY SPONSORED 4 is：Shadow of the balancing weight 400 on the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 by centrifugal force
Ring and move along the direction away from center of radius, by the leverage of STATEMENT OF FEDERALLY SPONSORED 4, therefore drive the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4
Move to center of radius direction, as 3 first end 30 of pallet piece is limited in the inner side of the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4.Therefore
Drive the first end 30 of pallet piece 3 to move to the direction of center of radius together, pallet piece is caused by 3 leverage of pallet piece
3 the second end 31 to moving away from center of radius direction, as the second end 31 of pallet piece 3 is limited in the of STATEMENT OF FEDERALLY SPONSORED 4
The inner side of three ends 40, therefore drive the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 to moving away from center of radius direction, circulated with this past
It is multiple, as long as therefore a pallet piece or a STATEMENT OF FEDERALLY SPONSORED motion will drive the ratchet and STATEMENT OF FEDERALLY SPONSORED fortune on whole circumference direction
It is dynamic, substantially increase the speed and stability of centrifugal mechanism gearshift.
Embodiment 3
With reference to shown in Fig. 5, remaining structural principle of the centrifugal mechanism in the present embodiment is same as Example 1, its difference
Place is：Centrifugal mechanism in embodiment 1, mainly by ratchet 1,2, three pallet pieces 3 of ratchet fixed mount and three STATEMENT OF FEDERALLY SPONSOREDs more than 4
Part is constituted, wherein three pallet pieces 3 and three STATEMENT OF FEDERALLY SPONSOREDs 4 are arranged between ratchet 1 and ratchet fixed mount 2, and in circumference side
Upwards in being intervally arranged, i.e., per one STATEMENT OF FEDERALLY SPONSORED 4 of setting between two adjacent pallet pieces 3.Centrifugal mechanism in the present embodiment, it is main
To be made up of ratchet 1, ratchet fixed mount 2,22, two pallet pieces 3 of torsion spring and more than 4 part of STATEMENT OF FEDERALLY SPONSORED, wherein two ratchet
3, STATEMENT OF FEDERALLY SPONSORED 4 of part and torsion spring 22 are may be contained between ratchet 1 and ratchet fixed mount 2, and in a circumferential direction in interval row
Cloth, i.e., torsion spring 22 and STATEMENT OF FEDERALLY SPONSORED 4 are respectively arranged between two pallet pieces in a circumferential direction, the circle of torsion spring 22 in the present embodiment
Shape installation portion 220 is installed on ratchet fixed mount 2 by pin, the first torque arm 221 and adjacent one of spine of torsion spring 22
The first end 30 of bluff piece is abutted against, 31 phase of the second end of second torque arm 222 and another adjacent pallet piece
Abut, and respectively the first end 30 and the second end 31 of two adjacent pallet pieces 3 applied from the outside elastic force in center of circle direction,
Elastic torque on first end 30 is acted on more than the elastic torque acted on the second end 31, the is made in initial position
All the time in the position away from the center of circle, the second end 31 in the position near the center of circle, makes the ratchet portion of pallet piece 3 to one end 30 all the time
310 are in disengaged condition all the time with ratchet 1.Certainly in other implementations, it is also possible to respectively to two adjacent pallet pieces 3
First end 30 and the second end 31 apply the elastic force to center of circle direction, make to act on 30 upper elasticity moment of torsion of first end and are less than
The elastic torque of the second end 31 is acted on, the present invention can be equally realized.Certainly in other implementations, torsion spring 22
The same side of STATEMENT OF FEDERALLY SPONSORED 4 can be arranged on, the circular mounting portion 220 of torsion spring 22 can be installed on the pin in the second installing hole 420
On son, it is also possible to be installed on ratchet fixed mount or in STATEMENT OF FEDERALLY SPONSORED by the 3rd connector, the present invention can be equally realized.So
Setting is advantageous in that:By the effective active length and the first end of pallet piece that control the first torque arm and the second torque arm
And effective active length of the second end carrys out effective control spring force, while torsion spring instead of the function of STATEMENT OF FEDERALLY SPONSORED, and torsion spring
The angle compressed for one of torque arm of torsion spring is fixed on ratchet fixed mount in the course of the work is less,
Change in torque is less, so that stability is higher when whole centrifugal mechanism works.
In the present embodiment, the operation principle of centrifugal mechanism is：Pallet piece operation principle is same as Example 1, its linkage principle
For：Balancing weight 311 on the second end 31 of pallet piece 3 is affected to move along the direction away from center of radius by centrifugal force, is led to
The leverage of pallet piece 3 is crossed, therefore drives the first end 30 of pallet piece 3 to move to center of radius direction, due to STATEMENT OF FEDERALLY SPONSORED 4
4th end 41 is limited in the inner side of the first end 30 of pallet piece 3, therefore drives the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4 together to half
The direction motion at footpath center, causes the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 to away from center of radius side by the leverage of STATEMENT OF FEDERALLY SPONSORED 4
To motion, as the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 is limited in the inner side of the second end 31 of pallet piece 3, therefore the 3rd end of STATEMENT OF FEDERALLY SPONSORED 4
Portion 40 has from the outside thrust in the center of circle to the second end 31 of pallet piece 3, plus the second end 31 centrifugation of itself of pallet piece 3
Power, the second end 31 of pallet piece 3 to moving away from center of radius direction, by the leverage of pallet piece 3, pallet piece 3
First end 30 is moved to the direction of center of radius, promotes the first torque arm 221 of torsion spring 22 to move to the direction of center of radius,
Second torque arm 222 is moved to the direction away from center of radius.When ratchet fixed mount stops operating, the first torsion of torsion spring 22
Bar 221 applies the first end 30 of the second pallet piece 3 from the outside elastic force in the center of circle, drives the first end 30 of the second pallet piece 3
To moving away from center of radius direction, STATEMENT OF FEDERALLY SPONSORED 4 and pallet piece 3 is driven to return to initial position successively by leverage.
Embodiment 4
With reference to shown in Fig. 6, remaining structural principle of the centrifugal mechanism in the present embodiment is same as Example 3, and which is different
Part be：The circular mounting portion 220 of the torsion spring 22 in embodiment 3 is installed on ratchet fixed mount 2 by pin, and the of torsion spring 22
One torque arm 221 is abutted against with the first end 30 of adjacent one of pallet piece, second torque arm 222 with it is adjacent
The second end 31 of another pallet piece is abutted against, and the circular mounting portion 220 of the torsion spring 22 in the present embodiment is installed on second
On pin in installing hole 420, the first torque arm 221 of torsion spring 22 and the second torque arm 222 simultaneously with same pallet piece 3 the
One end 30 is abutted, and the first torque arm 221 puts on the first end 30 of pallet piece 3 from the outside elastic force in the center of circle, the second torsion
Bar 222 puts on the elastic force of the first end 30 of pallet piece 3 to center of circle direction, from the outside elastic torque in the center of circle more than to the center of circle
The elastic torque in direction, makes first end 30 all the time in the position away from the center of circle in initial position, and the second end 31 exists all the time
Near the position in the center of circle, the ratchet portion 310 and ratchet 1 for making pallet piece 3 is in disengaged condition all the time.Certainly in other embodiment party
In formula, the circular mounting portion 220 of torsion spring 22 can also be installed on the pin in the first installing hole 320, the first torsion of torsion spring 22
Power bar 221 and the second torque arm 222 are abutted with same STATEMENT OF FEDERALLY SPONSORED simultaneously and are applied for controlling the elasticity of pallet piece initial position
Power, can equally realize the present invention.Certainly in other implementations, the circular mounting portion 220 of torsion spring 22 can also pass through
3rd connector is arranged on pallet piece fixed mount or on pallet piece or in STATEMENT OF FEDERALLY SPONSORED, i.e., circular mounting portion 220 is except installing
On the pin in hole 320 and hole 420, it can be installed on ratchet fixed mount or ratchet with the connector for example, by pin etc
At the other positions of part or STATEMENT OF FEDERALLY SPONSORED, the present invention can be equally realized.So arrange and be advantageous in that:By controlling the first torsion
The different installation sites in the different effective active length of bar and the second torque arm and torsion spring circular mounting portion carry out effective control bullet
Spring force, and torsion spring pressed for one of torque arm of torsion spring is fixed on ratchet fixed mount in the course of the work
The angle of contracting is less, and change in torque is less, so that stability is higher when whole centrifugal mechanism works.
Remaining structural principle of centrifugal mechanism in the present embodiment is same as Example 3, and its difference is：Implement
In example 3, the 3rd end 40 along STATEMENT OF FEDERALLY SPONSORED described in radial direction 4 is limited in the inner side of 3 the second end 31 of pallet piece, along radius side
The inner side of 3 first end 30 of pallet piece, the pallet piece 3 and STATEMENT OF FEDERALLY SPONSORED 4 are limited in the 4th end 41 of the STATEMENT OF FEDERALLY SPONSORED 4
Mating surface is arranged in involute, and in the present embodiment, the 3rd end 40 along STATEMENT OF FEDERALLY SPONSORED described in radial direction 4 is limited in pallet piece 3
The inner side of the second end 31, is limited in 3 first end 30 of pallet piece along the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED described in radial direction 4
Setting is engaged in involute teeth in side, the cooperation between the second end 31 of the pallet piece 3 and the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4,
Setting is engaged in cooperation between the first end 30 of the pallet piece 3 and the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4 in involute teeth, so
The benefit of setting is：Pallet piece 3 can be in outer lateral spacing position STATEMENT OF FEDERALLY SPONSORED 4, it is also possible in inner side limiting-position STATEMENT OF FEDERALLY SPONSORED 4, improves linkage essence
Degree, and in the case where torsion spring 22 does not play linkage effect, only one of which STATEMENT OF FEDERALLY SPONSORED 4 can also make pallet piece 3 mutual with STATEMENT OF FEDERALLY SPONSORED 4
Linkage.
Its linkage principle be：In initial position the first end 30 of pallet piece 3 torsion spring 22 elastic force effect under all the time
In the position away from the center of circle, because the cooperation between the first end 30 of pallet piece 3 and the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4 is engaged in tooth
Arrange, thus the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4 under the drive of the first end 30 of pallet piece 3 also in the position away from the center of circle,
3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 is caused in the position near the center of circle by the leverage of STATEMENT OF FEDERALLY SPONSORED 4, because of the second of pallet piece 3
Cooperation between end 31 and the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 engages setting in tooth, so the second end 31 of pallet piece 3 is in connection
Also in the position near the center of circle under the drive of the 3rd end 40 of moving part 4.As the rotating speed of ratchet fixed mount is improved, pallet piece 3
The second end 31 on balancing weight 311 affected along moving away from the direction of center of radius, by pallet piece 3 by centrifugal force
Leverage, therefore drive the first end 30 of pallet piece 3 to move to center of radius direction, due to the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4
The inner side of the first end 30 of pallet piece 3 is limited in, therefore the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4 is driven together to the side of center of radius
To motion, the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 is caused to moving away from center of radius direction by the leverage of STATEMENT OF FEDERALLY SPONSORED 4, by
The inner side of the second end 31 of pallet piece 3, therefore the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 are limited in the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 to spine
The second end 31 of bluff piece 3 has from the outside thrust in the center of circle, plus the second end 31 centrifugal force of itself of pallet piece 3, pallet piece 3
The second end 31 to moving away from center of radius direction, by the leverage of pallet piece 3, the first end 30 of pallet piece 3
Move to the direction of center of radius, torsion spring 22 is promoted as the first end 30 of pallet piece 3 is moved to the direction of center of radius.When
When ratchet fixed mount stops operating, torsion spring 22 applies the first end 30 of pallet piece 3 from the outside elastic force in the center of circle, drives pallet piece
3 first end 30 successively drives STATEMENT OF FEDERALLY SPONSORED 4 and pallet piece 3 to return to by leverage to moving away from center of radius direction
Initial position.
Embodiment 5
With reference to shown in Fig. 7, remaining structural principle of the centrifugal mechanism in the present embodiment is same as Example 3, and which is different
Part be：The circular mounting portion 220 of the torsion spring 22 in embodiment 3 is installed on ratchet fixed mount 2 by pin, and the of torsion spring 22
One torque arm 221 is abutted against with the first end 30 of adjacent one of pallet piece, second torque arm 222 with it is adjacent
The second end 31 of another pallet piece is abutted against, and in the present embodiment, the circular mounting portion 220 of the torsion spring 22 is installed on
On pin in second installing hole 420, the first torque arm 221 and the first end 30 of pallet piece 3 of torsion spring 22 are abutted against, torsion spring
22 the second torque arm 222 is abutted against with the 3rd end 40 of adjacent STATEMENT OF FEDERALLY SPONSORED 4, and the first end 30 to pallet piece 3 and
3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 applies from the outside elastic force in center of circle direction, acts on 30 upper elasticity moment of torsion of first end and is more than
The elastic torque of the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 is acted on, first end 30 is made in initial position all the time away from the center of circle
Position, the second end 31 are made the ratchet portion 310 of pallet piece 3 be in ratchet 1 all the time and disengage shape all the time in the position near the center of circle
State.Certainly in other implementations, the circular mounting portion 220 of torsion spring 22 is installed on the pin in the second installing hole 420,
First torque arm 221 of torsion spring 22 is abutted against with the second end 31 of pallet piece 3, the second torque arm 222 of torsion spring 22 with it is adjacent
The 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4 abut against, and the 4th end 41 to the second end 31 and STATEMENT OF FEDERALLY SPONSORED 4 of pallet piece 3 applies
From the elastic force that center of circle direction is outside, 31 upper elasticity moment of torsion of the second end is acted on less than the 4th end for acting on STATEMENT OF FEDERALLY SPONSORED 4
41 elastic torque, makes first end 30 all the time in the position away from the center of circle in initial position, and the second end 31 is being leaned on all the time
The position in the nearly center of circle, the ratchet portion 310 and ratchet 1 for making pallet piece 3 are in disengaged condition all the time, can equally realize the present invention.
Certainly in other implementations, the circular mounting portion 220 of torsion spring 22 can also be installed on the pin in the first installing hole 320
Above or by the 3rd connector it is arranged on pallet piece fixed mount or on pallet piece or in STATEMENT OF FEDERALLY SPONSORED, i.e., circular mounting portion 220 removes
On pin in being mountable to hole 320 and hole 420, it can be installed on ratchet with the connector for example, by pin etc and fix
At the other positions of frame or pallet piece or STATEMENT OF FEDERALLY SPONSORED, the present invention can be equally realized.So arrange and be advantageous in that:By control
The different effective active length of first torque arm and the second torque arm or pallet piece first end and different effective of the second end
The different effective active length in active length or the 3rd end of STATEMENT OF FEDERALLY SPONSORED and the 4th end and the difference in torsion spring circular mounting portion
Installation site carrys out effective control spring force, and torsion spring is fixed on relative to one of torque arm of torsion spring in the course of the work
The angle compressed on ratchet fixed mount is less, and change in torque is less, so that stability is higher when whole centrifugal mechanism works.
In sum, the present invention in centrifugal mechanism, not only pallet piece can produce centrifugal force, STATEMENT OF FEDERALLY SPONSORED can also produce centrifugation
Power, so as to substantially increase the centrifugal force of centrifugal mechanism so that the more miniaturization that whole centrifugal mechanism can be arranged, while should
The centrifugal mechanism of kind of structure can arrange more centrifugal ratchet quantity, so that when whole centrifugal mechanism works stability is more
It is high.
The principle and its effect of the above embodiments only illustrative the invention, and the enforcement that part uses
Example, it is of the invention not for limiting；It should be pointed out that for the person of ordinary skill of the art, without departing from present invention wound
On the premise of making design, some deformations and improvement can also be made, these belong to protection scope of the present invention.
Claims (14)
1. a kind of centrifugal mechanism, it is characterised in that include：Ratchet, ratchet fixed mount, several pallet pieces, at least one STATEMENT OF FEDERALLY SPONSORED
And for controlling the elastic component of pallet piece initial position, the ratchet is set in the outside of ratchet fixed mount, the pallet piece and
STATEMENT OF FEDERALLY SPONSORED is arranged between ratchet and ratchet fixed mount and in a circumferential direction in being intervally arranged, the pallet piece connects by first
Fitting is installed on ratchet fixed mount, and the STATEMENT OF FEDERALLY SPONSORED is installed on ratchet fixed mount by the second connector, the elastic component
It is mountable on ratchet fixed mount or on pallet piece or in STATEMENT OF FEDERALLY SPONSORED, the pallet piece includes first end, the second end and sets
The first installation portion being placed between first end and the second end, the second end of at least one pallet piece in several pallet pieces
Outer wall at be provided with the ratchet portion being engaged with ratchet, the first installation portion of the pallet piece is provided with for installing the first connector
The first installing hole, the STATEMENT OF FEDERALLY SPONSORED includes the 3rd end, the 4th end and is arranged between the 3rd end and the 4th end
Second installation portion, the second installation portion of the STATEMENT OF FEDERALLY SPONSORED are provided with the second installing hole for the second connector of installation, the ratchet
3rd end of the second end and/or STATEMENT OF FEDERALLY SPONSORED of part is provided with balancing weight, limits along the 4th end of STATEMENT OF FEDERALLY SPONSORED described in radial direction
The inner side or edge of the second end of pallet piece are limited in positioned at the 3rd end of the inner side of pallet piece first end, the STATEMENT OF FEDERALLY SPONSORED
The first end of pallet piece described in radial direction is limited in the inner side of the 4th end of STATEMENT OF FEDERALLY SPONSORED, the second end of the pallet piece
It is limited in the inner side of the 3rd end of STATEMENT OF FEDERALLY SPONSORED.
2. a kind of centrifugal mechanism as claimed in claim 1, it is characterised in that：The ratchet fixed mount includes：Circular base portion
And the several mounting seats stretched out from the outer wall of circular base portion, the STATEMENT OF FEDERALLY SPONSORED and pallet piece are respectively arranged in mounting seat
On.
3. a kind of centrifugal mechanism as claimed in claim 1, it is characterised in that：It is provided with the outer wall of the 3rd end of the STATEMENT OF FEDERALLY SPONSORED
The ratchet portion being engaged with ratchet.
4. a kind of centrifugal mechanism as claimed in claim 1, it is characterised in that：The elastic component is torsion spring, and the torsion spring includes
Circular mounting portion and the first torque arm protruded out from circular mounting portion and the second torque arm.
5. a kind of centrifugal mechanism as claimed in claim 4, it is characterised in that：First torque arm of the torsion spring and adjacent its
In the first end of a pallet piece abut against, the second torque arm of the torsion spring and the second end of another adjacent pallet piece
Abut against, the torsion spring respectively above-mentioned first end and the second end are applied from center of circle direction it is outside for controlling pallet piece
The elastic force of initial position, the circular mounting portion of the torsion spring are sheathed on the second connector or are installed on by the 3rd connector
On the ratchet fixed mount or in STATEMENT OF FEDERALLY SPONSORED.
6. a kind of centrifugal mechanism as claimed in claim 4, it is characterised in that：First torque arm of the torsion spring and adjacent its
In the first end of a pallet piece abut against, the second torque arm of the torsion spring and the second end of another adjacent pallet piece
Abut against, the torsion spring applies initial for controlling pallet piece to center of circle direction to above-mentioned first end and the second end respectively
The elastic force of position, the circular mounting portion of the torsion spring are sheathed on the second connector or are installed on by the 3rd connector described
On ratchet fixed mount or in STATEMENT OF FEDERALLY SPONSORED.
7. a kind of centrifugal mechanism as claimed in claim 4, it is characterised in that：The circular mounting portion of the torsion spring directly can be arranged
On the first connector or on the second connector, also can be installed on ratchet fixed mount by the 3rd connector, pallet piece or connection
On moving part, first torque arm and the second torque arm of the torsion spring are abutted against with pallet piece or while are offseted with STATEMENT OF FEDERALLY SPONSORED simultaneously
Connect.
8. a kind of centrifugal mechanism as claimed in claim 4, it is characterised in that：First torque arm of the torsion spring and pallet piece
First end or the second end are abutted against, and the second torque arm of the torsion spring is offseted with the 3rd end of STATEMENT OF FEDERALLY SPONSORED or the 4th end
Connect, to apply to be used for the elastic force for controlling pallet piece initial position, the circular mounting portion of the torsion spring can be directly sleeved on first
On connector or on the second connector, also can be installed on ratchet fixed mount by the 3rd connector, in pallet piece or STATEMENT OF FEDERALLY SPONSORED.
9. a kind of centrifugal mechanism as claimed in claim 4, it is characterised in that：The circular mounting portion is sheathed on the first connector
Above or it is installed on ratchet fixed mount or on pallet piece by the 3rd connector, the first torque arm and the STATEMENT OF FEDERALLY SPONSORED of the torsion spring
4th end abuts against, and the second torque arm and the ratchet fixed mount of the torsion spring are mutually fixed, and first torque arm is along radius side
To the 4th end to STATEMENT OF FEDERALLY SPONSORED from the outside elastic force for controlling pallet piece initial position in the center of circle.
10. a kind of centrifugal mechanism as claimed in claim 4, it is characterised in that：The circular mounting portion is sheathed on the second connection
It is installed on ratchet fixed mount or in STATEMENT OF FEDERALLY SPONSORED on part or by the 3rd connector, the first torque arm of the torsion spring and pallet piece
First end abut against, the second torque arm and the ratchet fixed mount of the torsion spring are mutually fixed, and first torque arm is along radius
Direction to pallet piece first end from the outside elastic force for controlling pallet piece initial position in the center of circle.
A kind of 11. centrifugal mechanisms as claimed in claim 1, it is characterised in that：First connector, the second connector and
Three connectors are pin.
A kind of 12. centrifugal mechanisms as claimed in claim 1, it is characterised in that：The second end and STATEMENT OF FEDERALLY SPONSORED of the pallet piece
The 3rd end between cooperation in tooth engagement arrange.
A kind of 13. centrifugal mechanisms as claimed in claim 1, it is characterised in that：The first end and STATEMENT OF FEDERALLY SPONSORED of the pallet piece
The 4th end between cooperation in tooth engagement arrange.
A kind of 14. centrifugal mechanisms as claimed in claim 1, it is characterised in that：The pallet piece with the mating surface of STATEMENT OF FEDERALLY SPONSORED is in
Involute shape is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611194298.XA CN106542043B (en) | 2016-12-21 | 2016-12-21 | Centrifugal mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611194298.XA CN106542043B (en) | 2016-12-21 | 2016-12-21 | Centrifugal mechanism |
Publications (2)
| Publication Number | Publication Date |
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| CN106542043A true CN106542043A (en) | 2017-03-29 |
| CN106542043B CN106542043B (en) | 2021-12-28 |
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| CN201611194298.XA Active CN106542043B (en) | 2016-12-21 | 2016-12-21 | Centrifugal mechanism |
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| CN102297248A (en) * | 2011-07-22 | 2011-12-28 | 阮送良 | Automatic centrifugal transmission of electric vehicle |
| CN103277422A (en) * | 2013-06-05 | 2013-09-04 | 蒋璋璋 | Friction clutch |
| CN206358307U (en) * | 2016-12-21 | 2017-07-28 | 张家港川梭车业有限公司 | A kind of centrifugal mechanism |
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|---|---|---|---|---|
| US3492893A (en) * | 1967-08-11 | 1970-02-03 | Shimano Industrial Co | Three-stage speed change bicycle hub with built-in automatic speed change mechanism |
| AT305043B (en) * | 1968-07-04 | 1973-02-12 | Fichtel & Sachs Ag | Centrifugal actuated ratchet clutch |
| US5257685A (en) * | 1992-03-05 | 1993-11-02 | United Technologies Corporation | Pawl and ratchet clutch with shifting pawl |
| CN1208000A (en) * | 1997-08-08 | 1999-02-17 | 株式会社岛野 | Built-in speed-varying hub for bicycle |
| CN101074040A (en) * | 2004-02-10 | 2007-11-21 | 本田技研工业株式会社 | Chain tension structure |
| TW201135095A (en) * | 2010-04-06 | 2011-10-16 | King Zone Corp | A clutch with high binding ability |
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| CN206358307U (en) * | 2016-12-21 | 2017-07-28 | 张家港川梭车业有限公司 | A kind of centrifugal mechanism |
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|---|---|
| CN106542043B (en) | 2021-12-28 |
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