CN207565778U - A kind of centre wheel inputs two shift transmissions - Google Patents
A kind of centre wheel inputs two shift transmissions Download PDFInfo
- Publication number
- CN207565778U CN207565778U CN201721368881.8U CN201721368881U CN207565778U CN 207565778 U CN207565778 U CN 207565778U CN 201721368881 U CN201721368881 U CN 201721368881U CN 207565778 U CN207565778 U CN 207565778U
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- China
- Prior art keywords
- pallet piece
- centre wheel
- driving axis
- ratchet
- center driving
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Abstract
The utility model discloses a kind of centre wheels to input two shift transmissions, including：Power input, center driving axis, gearshift and planet speed change mechanism, the planet speed change mechanism include：Centre wheel, planet carrier, planetary gear and gear ring, the power input is fixedly connected or is integrally formed with centre wheel, the centre wheel is sheathed on center driving axis and can be relatively rotated relative to center driving axis, the gearshift includes pallet piece frame, at least one first pallet piece, first ratchet, at least one second pallet piece and the second ratchet, the pallet piece frame is sheathed on center driving axis and radial positioning is formed between center driving axis and connect, in both first pallet piece and the first ratchet, one of them is set on pallet piece frame, another is set on planet carrier, second pallet piece is installed on pallet piece frame, second ratchet is set on centre wheel, second pallet piece is centrifugal ratchet part, so as to reduce the kinetic equation loss of speed changer.
Description
【Technical field】
The utility model is related to technical field of bicycles, and in particular to a kind of centre wheel inputs two shift transmissions.
【Background technology】
Chinese Patent No. 201710331591.4 is please referred to, there is disclosed a kind of Two-wheeled pawl movable type gearshifts two
Speed change gear is kept off, including：Center driving axis, planet speed change mechanism, gearshift and power input shaft, the planet speed change mechanism
Including：Centre wheel, planet carrier, planetary gear and gear ring, the gearshift include pallet piece frame, are set on pallet piece frame extremely
A few pallet piece, the first ratchet being set on planet carrier excircle and the second ratchet being set on center driving axis, institute
It states centre wheel to be set on center driving axis and be integrally formed or be fixedly connected with center driving axis, the gear ring is mutually solid with vehicle frame
Fixed, the power input is fixedly connected with pallet piece frame, and the operation principle of the speed change gear is：During bottom gear, pallet piece with
Second ratchet is meshed, and power input shaft drives the rotation of pallet piece frame, and pallet piece drives the second ratchet wheel, due to the second ratchet
It is fixedly connected with center driving axis, so center driving axis rotates synchronously and exports power, during fast block, mobile pallet piece frame,
Pallet piece is made to be disengaged from the second ratchet, and is meshed with the first ratchet, power input shaft drives the rotation of pallet piece frame, pawl
Part drives the first ratchet wheel, and since the first ratchet is set on the outer circumference surface of planet carrier, planet carrier rotates synchronously, planet carrier
Centre wheel is imparted power to by the transmission of planetary gear, since centre wheel is fixedly connected with center driving axis, power is most
Center driving axis is passed to eventually and power output is carried out by center driving axis.In the speed changer, when bottom gear, entire power passed
It passs not by planet speed change mechanism, therefore power output is 1:1, and power passes through planetary speed-changing machine in top gear
Structure, therefore kinetic equation loss can be caused, and bicycle is in use, most times are to use top gear, when less
Between using bottom gear, therefore the gear design of dynamic loss is designed the gear of unpowered loss low in top gear
Speed gear will greatly improve kinetic equation loss of the speed changer during cycling.
Therefore, it is necessary to providing a kind of centre wheel for solving above-mentioned technical problem inputs two shift transmissions.
【Utility model content】
To solve the above problems, the purpose of this utility model is to provide a kind of centre wheel inputs for reducing kinetic equation loss
Two shift transmissions.
Technical solution is used by the utility model：A kind of centre wheel inputs two shift transmissions, including：Power inputs
Part, center driving axis, gearshift and the planet speed change mechanism being installed on center driving axis, the planet speed change mechanism packet
It includes：Centre wheel, planet carrier, planetary gear and gear ring, the power input is fixedly connected or is integrally formed with centre wheel, in described
Heart wheel is sheathed on center driving axis and can be relatively rotated relative to center driving axis, the gear ring be fixedly connected with vehicle frame or
Damping connects, and the gearshift includes pallet piece frame, at least one first pallet piece, the first ratchet, at least one second spine
Bluff piece and the second ratchet, the pallet piece frame, which is sheathed on center driving axis and radial positioning is formed between center driving axis, to be connected
It connects, in both first pallet piece and the first ratchet, one of them is set on pallet piece frame, another is set to planet carrier
On, the pallet piece frame or planet carrier are equipped with for the elastic component of the first pallet piece position of control, the second pallet piece peace
Loaded on pallet piece frame, second ratchet is set on centre wheel, second pallet piece be centrifugal ratchet part, described second
Pallet piece includes mounting portion and the clump weight for being set to mounting portion one end.
Preferably, a kind of centre wheel in the utility model inputs two shift transmissions and is further arranged to：The pallet piece
Axial movement connection is formed between frame and center driving axis.
Preferably, a kind of centre wheel in the utility model inputs two shift transmissions and is further arranged to：The pallet piece
It is connected between frame and center driving axis by spline.
Preferably, a kind of centre wheel in the utility model inputs two shift transmissions and is further arranged to：The elastic component
For spring, torsional spring or shrapnel.
Preferably, a kind of centre wheel in the utility model inputs two shift transmissions and is further arranged to：Second spine
Wheel is fixedly connected with centre wheel.
Preferably, a kind of centre wheel in the utility model inputs two shift transmissions and is further arranged to：The center passes
The both ends of moving axis are separately installed with wheel, and freewheel clutch is equipped between the center driving axis and hub for vehicle wheel.
Preferably, a kind of centre wheel in the utility model inputs two shift transmissions and is further arranged to：Several second spine
STATEMENT OF FEDERALLY SPONSORED is equipped between bluff piece.
Compared with prior art, the utility model has the advantages that：Centre wheel input two in the utility model
Shift transmission by by the design of the gear of dynamic loss in bottom gear, by the gear design of unpowered loss in top gear, because
For bicycle, most of time is to use top gear in ride, so as to reduce the kinetic equation loss of speed changer, in addition
Manual shift and self shifter can be achieved at the same time in speed changer in the utility model.
【Description of the drawings】
Fig. 1 is the main structure diagram that centre wheel inputs two shift transmissions in the utility model.
Fig. 2 is the schematic cross-sectional view along line A-A shown in Fig. 1.
Fig. 3 is the schematic cross-sectional view along line B-B shown in Fig. 2.
Fig. 4 is the schematic cross-sectional view along line C-C shown in Fig. 2.
Fig. 5 is the decomposition texture schematic diagram that centre wheel inputs two shift transmissions in the utility model.
Fig. 6 is speed changer and the structure diagram after wheel installation in the utility model.
In figure：1st, power input, 2, center driving axis, 3, gearshift, 30, pallet piece frame, the 300, first groove,
301st, the second groove, the 31, first pallet piece, the 32, first ratchet, the 33, second pallet piece, 330, mounting portion, 331, pawl portion,
332nd, clump weight, the 34, second ratchet, 35, STATEMENT OF FEDERALLY SPONSORED, 4, planet speed change mechanism, 40, centre wheel, 41, planet carrier, 42, planet
Wheel, 43, gear ring, 5, wheel, 6, freewheel clutch.
【Specific embodiment】
Two shift transmissions are inputted below by specific embodiment to a kind of centre wheel described in the utility model to make further
Detailed description.
To join shown in Fig. 1 to Fig. 6, a kind of centre wheel inputs two shift transmissions, including：Power input 1, center driving axis 2,
Gearshift 3 and the planet speed change mechanism 4 being installed on center driving axis 2, the both ends of the center driving axis 2 are separately installed with
Wheel 5 is equipped with freewheel clutch 6 between 5 wheel hub of the center driving axis 2 and wheel.
The planet speed change mechanism 4 includes：Centre wheel 40, planet carrier 41, planetary gear 42 and gear ring 43, the power input
Part 1 is integrally formed with centre wheel 40, and the centre wheel 40 is sheathed on center driving axis 2 and can make relative to center driving axis 2
It relatively rotates, the gear ring 43 is fixedly connected with vehicle frame or damping is connect.
The gearshift 3 includes pallet piece frame 30, three the first pallet pieces 31 being set on pallet piece frame 30, setting
In on planet carrier 41 and with 41 integrally formed first ratchet 32 of planet carrier, two the second pawls being set on pallet piece frame 30
Part 33 and the second ratchet 34 being set on centre wheel 40 are equipped with STATEMENT OF FEDERALLY SPONSORED 35 between described two second pallet pieces 33, described
Second ratchet 34 is connect with centre wheel 40 by spline, is connected between the pallet piece frame 30 and center driving axis 2 by spline,
The pallet piece frame 30 is equipped with the elastic component of control the first pallet piece 31 position, the elastic component can be spring, torsional spring or
Shrapnel.Several first groove, 300 and second grooves 301 are offered on the pallet piece frame 30, first pallet piece 31 accommodates
In in the first groove 300 and passing through pin and being installed on pallet piece frame 30, second pallet piece 33 is contained in the second groove 301
And pass through pin and be installed on pallet piece frame 30, in the present embodiment, first ratchet 32 is set on planet carrier 41, described
First pallet piece 31 is set on pallet piece frame 30, and certainly in other implementations, first ratchet 32 may also set up
In on pallet piece frame 30, the first pallet piece 31 may also set up on planet carrier 41, can equally realize the utility model.Described
Two pallet pieces 33 are centrifugal ratchet part, including mounting portion 330, are set to the pawl portion 331 of 330 one end of mounting portion and are set to peace
The clump weight 332 of the dress portion other end.
The operation principle of two shift transmissions of the input of centre wheel 40 is in the utility model：During bottom gear, the first pallet piece 31
Meshing state is kept with the first ratchet 32 under the action of elastic component, power is inputted by power input 1, due to power input
1 is integrally formed with centre wheel 40, therefore centre wheel 40 rotates, and by the transmission of planetary gear 42, centre wheel 40 imparts power to
Planet carrier 41, since the first ratchet 32 on planet carrier 41 is meshed with the first pallet piece 31 on pallet piece frame 30, spine
Bluff piece frame 30 rotates, and since pallet piece frame 30 is connect with center driving axis 2 by spline, power is ultimately transferred to center biography
Moving axis 2 simultaneously carries out power output by center driving axis 2.During top gear, when riding speed reaches certain value, the second pallet piece 33
Clump weight 332 moved under the influence of centrifugal force along far from the direction in axle center, so as to make the pawl portion 331 and second of the other end
Ratchet 34 is meshed, and when the second pallet piece 33 is meshed with the second ratchet 34, the first pallet piece 31 is in the first ratchet 32
Servo-actuated state, power is inputted by power input 1, since power input 1 and centre wheel 40 are integrally formed, centre wheel 40
Rotation, since the second ratchet 34 being set on centre wheel 40 is nibbled with 33 phase of the second pallet piece being set on pallet piece frame 30
It closes, therefore pallet piece frame 30 rotates, and since pallet piece frame 30 is connect with center driving axis 2 by spline, power finally passes
It passs center driving axis 2 and power output is carried out by center driving axis 2, realize self shifter, certainly, the change in the utility model
Fast device can also realize manual shift, during manual shift, by moving axially pallet piece frame 30, make the first spine on pallet piece frame 30
Bluff piece 31 is disengaged from the first ratchet 32, and is meshed with the second ratchet 34, you can realizes manual shift.In the utility model
In, power is by planet speed change mechanism 4 during bottom gear, and power is without planet speed change mechanism 4 direct 1 during top gear:1 progress is defeated
Go out, therefore kinetic equation loss is had during bottom gear, when top gear does not have kinetic equation loss, and speed changer is most in ride
Time is to use top gear, therefore such design greatly reduces kinetic equation loss of the speed changer in ride so that
It rides more easily.
In conclusion the centre wheel in the utility model inputs two shift transmissions by the way that the gear of dynamic loss is designed
In bottom gear, the gear of unpowered loss is designed in top gear, thus greatly reduces the kinetic equation loss of speed changer.
The reality that the principles and effects of the utility model creation are only illustrated in the above embodiments and part uses
Example is applied, is rather than limited the present invention；It should be pointed out that for those of ordinary skill in the art, this is not being departed from
Under the premise of utility model creates design, various modifications and improvements can be made, these belong to the protection of the utility model
Range.
Claims (7)
1. a kind of centre wheel inputs two shift transmissions, which is characterized in that including：Power input, center driving axis, gearshift
And the planet speed change mechanism on center driving axis is installed on, the planet speed change mechanism includes：Centre wheel, planet carrier, planetary gear
And gear ring, the power input are fixedly connected or are integrally formed with centre wheel, the centre wheel is sheathed on center driving axis
And can be relatively rotated relative to center driving axis, the gear ring is fixedly connected with vehicle frame or damping is connect, the gearshift
Including pallet piece frame, at least one first pallet piece, the first ratchet, at least one second pallet piece and the second ratchet, the spine
Bluff piece frame is sheathed on center driving axis and radial positioning is formed between center driving axis and connect, first pallet piece and the
In one ratchet the two, one of them is set on pallet piece frame, another is set on planet carrier, the pallet piece frame or planet
Frame is equipped with the elastic component for controlling the first pallet piece position, and second pallet piece is installed on pallet piece frame, and described the
Two ratchets are set on centre wheel, and second pallet piece is centrifugal ratchet part, and second pallet piece includes mounting portion and sets
It is placed in the clump weight of mounting portion one end.
2. a kind of centre wheel as described in claim 1 inputs two shift transmissions, it is characterised in that：The pallet piece frame and center
Axial movement connection is formed between transmission shaft.
3. a kind of centre wheel as claimed in claim 2 inputs two shift transmissions, it is characterised in that：The pallet piece frame and center
It is connected between transmission shaft by spline.
4. a kind of centre wheel as described in claim 1 inputs two shift transmissions, it is characterised in that：The elastic component for spring,
Torsional spring or shrapnel.
5. a kind of centre wheel as described in claim 1 inputs two shift transmissions, it is characterised in that：Second ratchet and center
Wheel is fixedly connected.
6. a kind of centre wheel as described in claim 1 inputs two shift transmissions, it is characterised in that：The two of the center driving axis
End is separately installed with wheel, and freewheel clutch is equipped between the center driving axis and hub for vehicle wheel.
7. a kind of centre wheel as described in claim 1 inputs two shift transmissions, it is characterised in that：Between several second pallet pieces
Equipped with STATEMENT OF FEDERALLY SPONSORED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721368881.8U CN207565778U (en) | 2017-10-23 | 2017-10-23 | A kind of centre wheel inputs two shift transmissions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721368881.8U CN207565778U (en) | 2017-10-23 | 2017-10-23 | A kind of centre wheel inputs two shift transmissions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207565778U true CN207565778U (en) | 2018-07-03 |
Family
ID=62695955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721368881.8U Active CN207565778U (en) | 2017-10-23 | 2017-10-23 | A kind of centre wheel inputs two shift transmissions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207565778U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719574A (en) * | 2017-10-23 | 2018-02-23 | 张家港市九鼎机械有限公司 | A kind of centre wheel inputs two shift transmissions |
-
2017
- 2017-10-23 CN CN201721368881.8U patent/CN207565778U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719574A (en) * | 2017-10-23 | 2018-02-23 | 张家港市九鼎机械有限公司 | A kind of centre wheel inputs two shift transmissions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200720 Address after: Suzhou City, Jiangsu province 215636 Daxin Town, Zhangjiagang City Xindong Road Patentee after: ZHANGJIAGANG CHUANSUO VEHICLE INDUSTRY Co.,Ltd. Address before: 215600 new East Road, great Xin town, Suzhou City of Jiangsu Provinces Zhangjagang City Patentee before: ZHANGJIAGANG JIUDING MACHINERY Co.,Ltd. |
|
| TR01 | Transfer of patent right |