CN207712239U - A kind of gear of axis three speed change gear - Google Patents
A kind of gear of axis three speed change gear Download PDFInfo
- Publication number
- CN207712239U CN207712239U CN201820048993.3U CN201820048993U CN207712239U CN 207712239 U CN207712239 U CN 207712239U CN 201820048993 U CN201820048993 U CN 201820048993U CN 207712239 U CN207712239 U CN 207712239U
- Authority
- CN
- China
- Prior art keywords
- axis
- gear
- pallet piece
- speed change
- planet carrier
- 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.)
- Active
Links
Abstract
The utility model is related to a kind of axis three to keep off speed change gear, including：Vehicle frame, axis, planet speed change mechanism and pallet piece frame, power output wheel, pallet piece and elastic component are installed on the pallet piece frame, the power output wheel is fixedly connected with pallet piece frame or radial positioning is in axial sliding connection, the planet speed change mechanism includes the first planetary transmission and the second planetary transmission, and first planetary transmission includes：First centre wheel, first planet carrier, the first planetary gear and the first gear ring, the first planet carrier are equipped with the first ratchet, and second planetary transmission includes：Second centre wheel, the second planet carrier, the second planetary gear and the second gear ring, first gear ring and the second planet carrier are integrally formed or are fixedly connected to form sub-assembly, the sub-assembly is equipped with the second ratchet, second gear ring is equipped with third ratchet, it is fixedly connected with axis one of in the first planet carrier, the second planet carrier and the second gear ring three, to enormously simplify structure.
Description
【Technical field】
The utility model is related to bicycle arts more particularly to a kind of axis three to keep off speed change gear.
【Background technology】
Bicycle speed-varying unit includes internal speed changer and outer speed changer, outer speed changer because exposed therefore get rusty easily outside,
It is easy to be hit, the use of internal speed changer can effectively solve the above problems, and the internal speed changer of relatively early stage is set on front axle
Or on hind axle, cause front axle complex with the structure of hind axle, later in order to solve this technical problem, industry is expected
Internal speed changer is set on axis (trampling axis), to can not only realize speed change, but also front axle, hind axle can be greatly simplified
Structure, centre shaft variable speed device in the prior art mostly uses greatly spline moving gear shift, and difficulty of not only shifting gears is big, but also also needs to
Setting freewheel clutch improves manufacturing cost to increase manufacture difficulty in front axle or hind axle.
It is therefore desirable to provide a kind of gear speed change gear of axis three solving above-mentioned technical problem.
【Utility model content】
To solve the above problems, the purpose of this utility model is to provide a kind of simple in structure, convenient axis three of shifting gears
Keep off speed change gear.
To achieve the above object, the technical solution that the utility model is taken is：A kind of gear of axis three speed change gear, including：
Vehicle frame, axis and the planet speed change mechanism being installed on axis and pallet piece frame, the axis can be rotated relative to vehicle frame, described
The both ends of axis are connected with stampede part respectively, and the pallet piece frame can be moved axially relative to axis, on the pallet piece frame
Power output wheel, at least one pallet piece and the elastic component for controlling pallet piece initial position, the power output are installed
Wheel is fixedly connected with pallet piece frame or radial positioning is in axial sliding connection, and the planet speed change mechanism includes the first planetary transmission
And second planetary transmission, first planetary transmission include：First centre wheel, first planet carrier, the first planetary gear and
One gear ring, the first planet carrier is equipped with includes with matched first ratchet of pallet piece, second planetary transmission：Second
Centre wheel, the second planet carrier, the second planetary gear and the second gear ring, during first centre wheel, the second centre wheel are sheathed on respectively
It is fixedly connected on axis and with vehicle frame or damping is connect, first gear ring is integrally formed or is fixedly connected to form with the second planet carrier
Sub-assembly, the sub-assembly, which is equipped with, to be equipped with and is matched with pallet piece with matched second ratchet of pallet piece, second gear ring
Third ratchet, be fixedly connected with axis one of in the first planet carrier, the second planet carrier and the second gear ring three.
Preferably, a kind of axis three in the utility model keeps off speed change gear and is further arranged to：First centre wheel
It is integrally formed with the second centre wheel.
Preferably, a kind of axis three in the utility model keeps off speed change gear and is further arranged to：During the axis passes through
Axis mounting bracket is connected with vehicle frame, and bearing is equipped between the axis mounting bracket and axis.
Preferably, a kind of axis three in the utility model keeps off speed change gear and is further arranged to：First ratchet is set
It is placed at the outer circumference surface of first planet carrier.
Preferably, a kind of axis three in the utility model keeps off speed change gear and is further arranged to：Second ratchet is set
It is placed at the outer circumference surface of sub-assembly.
Preferably, a kind of axis three in the utility model keeps off speed change gear and is further arranged to：The third ratchet is set
It is placed at the outer circumference surface of the second gear ring.
Preferably, a kind of axis three in the utility model keeps off speed change gear and is further arranged to：On the pallet piece frame
Several openings are offered, the pallet piece is installed on by pin in the opening.
Preferably, a kind of axis three in the utility model keeps off speed change gear and is further arranged to：The number of the pallet piece
Amount is three, and three pallet pieces are uniformly arranged on pallet piece frame.
Compared with prior art, the utility model has the advantages that：Axis three in the utility model keeps off speed change
Apparatus structure is simple, easy for installation, shifts gears by using pawl type, can make not have in front axle or hind axle setting surmount from
Clutch reduces manufacturing cost to enormously simplify structure, and compared with the prior art in spline shift, this practicality
Pawl type shift reliability higher in novel, shift are lighter.
【Description of the drawings】
Fig. 1 is the structural schematic diagram that axis three keeps off speed change gear in the utility model.
Fig. 2 is the decomposition texture schematic diagram that axis three keeps off speed change gear in the utility model.
Fig. 3 is the schematic cross-sectional view that axis three keeps off speed change gear in the utility model.
In figure：1, left axis mounting bracket, 2, right axis mounting bracket, 3, axis, 4, planet speed change mechanism, the 40, first planet
Speed changer, the 400, first centre wheel, 401, first planet carrier, the 4010, first ratchet, the 402, first planetary gear, the 403, first tooth
Circle, the 404, first sub-assembly, the 405, second sub-assembly, the 4050, second ratchet, the 41, second planetary transmission, the 410, second center
Wheel, the 411, second planet carrier, the 412, second planetary gear, the 413, second gear ring, 4130, third ratchet, 5, pallet piece frame, 50, open
Mouthful, 51, pallet piece, 52, power output wheel, 6, stampede part.
【Specific implementation mode】
It is further detailed to a kind of gear of axis three speed change gear work described in the utility model below by specific embodiment
Thin description.
Join shown in Fig. 1 to Fig. 3, a kind of gear of axis three speed change gear, including：Vehicle frame, left axis mounting bracket 1, right axis peace
2, axis 3, planet speed change mechanism 4 and pallet piece frame 5 are shelved, the axis 3 passes through left axis mounting bracket 1 and right axis mounting bracket
2 and between left axis mounting bracket 1 and right axis mounting bracket 2 be equipped with bearing, the left axis mounting bracket 1 and right axis mounting bracket
2 are fixedly connected with vehicle frame or damping is connect respectively, and the both ends of the axis 3 are connected with stampede part 6 respectively, the pallet piece frame 5
It is sheathed on axis 3 and can be moved axially relative to axis 3, one end of the pallet piece frame 5 is opened up arranges there are three uniform
Opening 50, it is described opening 50 in pallet piece 51 is installed, the pallet piece 51 is installed on by pin in pallet piece frame 5, described
Pallet piece frame 5 is equipped with the elastic component (not shown) for controlling pallet piece initial position, the other end installation of the pallet piece frame 5
Dynamic output wheel 52, the power output wheel 52 are fixedly connected with or are formed the axially slidable company of radial positioning with pallet piece frame 5
It connects.
The planet speed change mechanism 4 is set between axis 3 and pallet piece frame 5, and the planet speed change mechanism 4 includes first
Planetary transmission 40 and the second planetary transmission 41, first planetary transmission 40 include：First centre wheel 400, the first row
Carrier 401, the first planetary gear 402 and the first gear ring 403, are equipped at the outer circumference surface of the first planet carrier 401 and pallet piece
Matched first ratchet 4010, second planetary transmission 41 include：Second centre wheel 410, the second planet carrier 411,
Two planetary gears 412 and the second gear ring 413, first centre wheel 400 are integrally formed formation first with the second centre wheel 410 and combine
Part 404, first sub-assembly 404 is sheathed on axis 3 and is fixedly connected with left axis mounting bracket 1 or damping is connect, described
First gear ring 403 and the second planet carrier 411 are integrally formed or are fixedly connected to form the second sub-assembly 405, second sub-assembly
Be equipped at 405 outer circumference surface with 51 matched second ratchet 4050 of pallet piece, at the outer circumference surface of second gear ring 413
Equipped with 51 matched third ratchet 4130 of pallet piece, in the present embodiment, the axis 3 passes through with the second gear ring 413
Spline achieves a fixed connection, and certainly in other implementations, the axis 3 also can be with first planet carrier 401 or the second row
Carrier 411 is fixedly connected, and the utility model equally may be implemented.
The operation principle of the gear of axis three speed change gear is in the utility model：When one gear, axial movement pallet piece frame 5 makes
It obtains pallet piece 51 to be meshed with the first ratchet 4010 in first planet carrier 401, power is inputted by stampede part 6 and passes to axis
3, since the second gear ring 413 is fixedly connected with axis 3, the rotation of the second gear ring 413, by the transmission of the second planetary gear 412,
Second gear ring 413 imparts power to the second planet carrier 411, since the second planet carrier 411 and the first gear ring 403 are integrally formed,
Therefore the first gear ring 403 rotation, by the transmission of the first planetary gear 402, the first gear ring 403 imparts power to first planet carrier
401, since the first ratchet 4010 in first planet carrier 401 is meshed with the pallet piece 51 on pallet piece frame 5, pallet piece
Frame 5 rotates, and the rotation of the power output wheel 52 that is fixedly connected with pallet piece frame 5 is gone forward side by side action edge output, when two gears, moves axially spine
Bluff piece frame 5 so that the pallet piece 51 on pallet piece frame 5 is meshed with the second ratchet 4050 on the second sub-assembly 405, power by
Stampede part 6 inputs and passes to axis 3, since the second gear ring 413 is fixedly connected with axis 3, the rotation of the second gear ring 413,
By the transmission of the second planetary gear 412, the second gear ring 413 imparts power to the second planet carrier 411, due to the second planet carrier
411 and first gear ring 403 collectively constitute the second sub-assembly 405, therefore the second sub-assembly 405 rotates, due to the second sub-assembly 405
On the second ratchet 4050 be meshed with the pallet piece 51 on pallet piece frame 5, therefore pallet piece frame 5 rotates, solid with pallet piece frame 5
Surely the rotation of power output wheel 52 connected is gone forward side by side action edge output, when three gears, axial movement pallet piece frame 5 so that pallet piece frame 5
On pallet piece 51 be meshed with the third ratchet 4130 on the second gear ring 413, power is inputted by stampede part 6 and passes to axis
3, since the second gear ring 413 is fixedly connected with axis 3, the second gear ring 413 rotation, due to the third on the second gear ring 413
Ratchet 4130 is meshed with the pallet piece 51 on pallet piece frame 5, therefore pallet piece frame 5 rotates, and is fixedly connected with pallet piece frame 5
Power output wheel 52 rotates action edge output of going forward side by side.
In conclusion the gear speed change gear of axis three in the utility model is simple in structure, easy for installation, by using pawl
Formula is shifted gears, and can make to reduce manufacture without setting freewheel clutch to enormously simplify structure in front axle or hind axle
Cost, and compared with the prior art in spline shift, the pawl type in the utility model shifts gears reliability higher, and shift is more
Add easily.
The principles and effects of the utility model creation are only illustrated in the above embodiments, and the reality that 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, not departing from this
Under the premise of utility model concept, various modifications and improvements can be made, these belong to the protection of the utility model
Range.
Claims (8)
1. a kind of axis three keeps off speed change gear, which is characterized in that including：Vehicle frame, axis and the planet speed-change being installed on axis
Mechanism and pallet piece frame, the axis can be rotated relative to vehicle frame, and the both ends of the axis are connected with stampede part respectively, the spine
Bluff piece frame can be moved axially relative to axis, be equipped on the pallet piece frame power output wheel, at least one pallet piece and
Elastic component for controlling pallet piece initial position, the power output wheel is fixedly connected with pallet piece frame or radial positioning is axial
It is slidably connected, the planet speed change mechanism includes the first planetary transmission and the second planetary transmission, first planet speed-change
Device includes：First centre wheel, first planet carrier, the first planetary gear and the first gear ring, the first planet carrier is equipped with and pallet piece
Matched first ratchet, second planetary transmission include：Second centre wheel, the second planet carrier, the second planetary gear and
Two gear rings, first centre wheel, the second centre wheel are sheathed on axis and are fixedly connected with vehicle frame or damping is connect, institute respectively
It states the first gear ring and the second planet carrier is integrally formed or is fixedly connected to form sub-assembly, the sub-assembly is equipped with to match with pallet piece
The second ratchet closed, second gear ring are equipped with and the matched third ratchet of pallet piece, the first planet carrier, the second planet
It is fixedly connected with axis one of in frame and the second gear ring three.
2. a kind of axis three as described in claim 1 keeps off speed change gear, it is characterised in that：In first centre wheel and second
Heart wheel is integrally formed.
3. a kind of axis three as described in claim 1 keeps off speed change gear, it is characterised in that：The axis passes through axis mounting bracket
It is connected with vehicle frame, bearing is equipped between the axis mounting bracket and axis.
4. a kind of axis three as described in claim 1 keeps off speed change gear, it is characterised in that：First ratchet is set to first
At the outer circumference surface of planet carrier.
5. a kind of axis three as described in claim 1 keeps off speed change gear, it is characterised in that：Second ratchet is set to combination
At the outer circumference surface of part.
6. a kind of axis three as described in claim 1 keeps off speed change gear, it is characterised in that：The third ratchet is set to second
At the outer circumference surface of gear ring.
7. a kind of axis three as described in claim 1 keeps off speed change gear, it is characterised in that：Number is offered on the pallet piece frame
A opening, the pallet piece are installed on by pin in the opening.
8. a kind of axis three as described in claim 1 keeps off speed change gear, it is characterised in that：The quantity of the pallet piece is three
A, three pallet pieces are uniformly arranged on pallet piece frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820048993.3U CN207712239U (en) | 2018-01-12 | 2018-01-12 | A kind of gear of axis three speed change gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820048993.3U CN207712239U (en) | 2018-01-12 | 2018-01-12 | A kind of gear of axis three speed change gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207712239U true CN207712239U (en) | 2018-08-10 |
Family
ID=63051580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820048993.3U Active CN207712239U (en) | 2018-01-12 | 2018-01-12 | A kind of gear of axis three speed change gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207712239U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108032957A (en) * | 2018-01-12 | 2018-05-15 | 张家港川梭车业有限公司 | A kind of axis three keeps off speed change gear |
| CN109795609A (en) * | 2019-01-17 | 2019-05-24 | 卓如帝 | A kind of no chain hollow wheel hub bicycle |
| CN111409762A (en) * | 2019-01-07 | 2020-07-14 | 株式会社岛野 | Drive train and sprocket arrangement for a human powered vehicle |
-
2018
- 2018-01-12 CN CN201820048993.3U patent/CN207712239U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108032957A (en) * | 2018-01-12 | 2018-05-15 | 张家港川梭车业有限公司 | A kind of axis three keeps off speed change gear |
| CN111409762A (en) * | 2019-01-07 | 2020-07-14 | 株式会社岛野 | Drive train and sprocket arrangement for a human powered vehicle |
| CN109795609A (en) * | 2019-01-17 | 2019-05-24 | 卓如帝 | A kind of no chain hollow wheel hub bicycle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207712239U (en) | A kind of gear of axis three speed change gear | |
| JP5426549B2 (en) | Reverse sprocket transfer case | |
| TW201130705A (en) | Multiple gear hub for bicycles | |
| WO2018210031A1 (en) | Continuously variable transmission | |
| CN105836031B (en) | A kind of bicycle double rear wheel straight line tramples device | |
| CN107339379B (en) | Movable three-gear speed change device of planetary transmission | |
| US10746262B2 (en) | Powertrain for vehicle | |
| CN106985963A (en) | Single wheel drive three keeps off speed change gear | |
| CN207683709U (en) | A kind of centre wheel fixation centre shaft variable speed device | |
| CN106481756B (en) | A kind of fixed Two-wheeled third gear fully-automatic gearbox of centre wheel gear ring | |
| CN208102248U (en) | A kind of single wheel drive straight line tramples two-gear transmission | |
| CN107719574A (en) | A kind of centre wheel inputs two shift transmissions | |
| CN107131263A (en) | A kind of axle input type three keeps off internal speed changer | |
| CN107244378A (en) | One kind three keeps off internal speed changer | |
| CN206988378U (en) | A kind of planetary transmission movable type three keeps off speed change gear | |
| CN206797621U (en) | One kind three keeps off internal speed changer | |
| CN207378075U (en) | A kind of gear ring inputs the full-automatic multi-shifting speed variator of Two-wheeled | |
| CN206361099U (en) | A kind of fixed Two-wheeled third gear fully-automatic gearbox of centre wheel gear ring | |
| CN208138399U (en) | A kind of single wheel drive straight line tramples three shift transmissions | |
| CN206802213U (en) | A kind of portable gear of gearshift three speed change gear of Two-wheeled ratchet | |
| CN207617920U (en) | A kind of gear ring fixation centre shaft variable speed device | |
| CN206278217U (en) | It is a kind of to be capable of achieving the quick bicycle with two wheel drive device for starting | |
| CN108757862A (en) | One kind two keeps off full-automatic speed-changing device | |
| CN108032957A (en) | A kind of axis three keeps off speed change gear | |
| CN206802215U (en) | A kind of axle input type three keeps off internal speed changer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |