CN207598823U - A kind of centre wheel fixes two gear speed change gears - Google Patents
A kind of centre wheel fixes two gear speed change gears Download PDFInfo
- Publication number
- CN207598823U CN207598823U CN201721802225.4U CN201721802225U CN207598823U CN 207598823 U CN207598823 U CN 207598823U CN 201721802225 U CN201721802225 U CN 201721802225U CN 207598823 U CN207598823 U CN 207598823U
- Authority
- CN
- China
- Prior art keywords
- gear ring
- speed change
- main shaft
- power input
- gear
- 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.)
- Withdrawn - After Issue
Links
- 230000008859 change Effects 0.000 title claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000013016 damping Methods 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Structure Of Transmissions (AREA)
Abstract
The utility model is related to a kind of centre wheels to fix two gear speed change gears, including：Main shaft,It is set to the wheel at main shaft both ends and the power input being set on main shaft and planet speed change mechanism,The planet speed change mechanism includes centre wheel,Planet carrier,Planetary gear and gear ring,The centre wheel is sheathed on main shaft and is fixedly connected with vehicle frame or damping is connect,The planet carrier is fixedly connected or is integrally formed with main shaft,The outside of the gear ring is equipped with gear ring connector,The outer circumference surface of the power input is equipped at least one pallet piece,The power input is equipped with the elastic component for controlling pallet piece initial position,It is equipped with and matched first ratchet of pallet piece in the gear ring connector,It is equipped with and matched second ratchet of pallet piece in the planet carrier,Spline gearshift in compared with the prior art,Pawl type gearshift reliability higher in the utility model,Gearshift is lighter.
Description
【Technical field】
The utility model is related to bicycle arts more particularly to a kind of centre wheel to fix two gear speed change gears
【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 easily hit, the use of internal speed changer can effectively solve the above problems, and internal speed changer of the prior art is mostly using flower
Key moving gear shift, gearshift difficulty is big, increases manufacture difficulty, improves manufacture cost.
It is therefore desirable to provide a kind of centre wheel for solving above-mentioned technical problem to fix two gear speed change gears.
【Utility model content】
To solve the above problems, the purpose of this utility model is to provide a kind of simple in structure, convenient centre wheels of gearshift
Fix two gear speed change gears.
To achieve the above object, the technical solution that the utility model is taken is：A kind of centre wheel fixes two gear speed change gears,
Including：Main shaft, the wheel for being set to main shaft both ends and the power input being set on main shaft and planet become
Fast mechanism, the power input are sheathed on main shaft and can be rotated relative to main shaft, the planet speed change mechanism
Including centre wheel, planet carrier, planetary gear and gear ring, the centre wheel is sheathed on main shaft and is fixedly connected or subtracts with vehicle frame
Shake connection, the planet carrier are fixedly connected with main shaft, and the outside of the gear ring is equipped with gear ring connector, the gear ring connection
Part is integrally formed or is fixedly connected with gear ring, and the outer circumference surface of the power input is equipped at least one pallet piece, described
Power input is equipped with the elastic component for controlling pallet piece initial position, is equipped with and pallet piece phase in the gear ring connector
First ratchet of cooperation, is equipped in the planet carrier and matched second ratchet of pallet piece.
Preferably, a kind of centre wheel in the utility model is fixed two gear speed change gears and is further arranged to：The main biography
Moving axis be equipped with the first pin hole, the planet carrier be equipped with the second pin hole, pin penetrate the first pin hole and the second pin hole so as to fulfill
It is fixedly connected between main shaft and planet carrier.
Preferably, a kind of centre wheel in the utility model is fixed two gear speed change gears and is further arranged to：The pawl
Part is set to one end of power input, and the power input is equipped with wheel for inputting.
Preferably, a kind of centre wheel in the utility model is fixed two gear speed change gears and is further arranged to：The gear ring
Connector includes the first gear ring connector and the second gear ring connector, passes through spline between the first gear ring connector and gear ring
Connection, is connected through a screw thread between the second gear ring connector and the first gear ring connector.
Preferably, a kind of centre wheel in the utility model is fixed two gear speed change gears and is further arranged to：The main biography
One end of moving axis is mutually fixed with wheel, is connected between the other end and wheel of the main shaft by bearing.
Preferably, a kind of centre wheel in the utility model is fixed two gear speed change gears and is further arranged to：The main biography
It is connected respectively by freewheel clutch between the both ends of moving axis and wheel.
Preferably, a kind of centre wheel in the utility model is fixed two gear speed change gears and is further arranged to：The main biography
Moving axis includes the first shaft part, the second shaft part and the intermediate shaft part being set between the first shaft part and the second shaft part, the jackshaft
For section for solid shafting, first shaft part and the second shaft part are hollow shaft, the diameter of the intermediate shaft part be less than the first shaft part and
The diameter of second shaft part.
Preferably, a kind of centre wheel in the utility model is fixed two gear speed change gears and is further arranged to：The pawl
Part include being installed on mounting portion in power input and with the first ratchet or the matched pawl portion of the second ratchet, the power
Input component is equipped with the first container matched with pallet piece mounting portion and the second receiving matched with pallet piece pawl portion
Slot, the both sides of second container are equipped with and the matched block in pawl portion.
Preferably, a kind of centre wheel in the utility model is fixed two gear speed change gears and is further arranged to：Described first
Container runs through wherein one end of power input.
Compared with prior art, the utility model has the advantages that：Centre wheel in the utility model fixes two
It is simple in structure, easy for installation to keep off speed change gear, shifts gears by using pawl type, enormously simplifies structure, reduce manufacture cost,
And compared with the prior art in spline gearshift, the pawl type gearshift reliability higher in the utility model, gearshift is lighter
Pine.
【Description of the drawings】
Fig. 1 is the main structure diagram that the utility model centre wheel fixes two gear speed change gears.
Fig. 2 is the decomposition texture schematic diagram that the utility model centre wheel fixes two gear speed change gears.
Fig. 3 is the schematic cross-sectional view that the utility model centre wheel fixes two gear speed change gears.
Fig. 4 is the partial enlarged view at A in Fig. 3.
In figure：1st, main shaft, the 10, first pin hole, the 11, first shaft part, the 12, second shaft part, 13, intermediate shaft part, 2, left
Wheel, the 20, first freewheel clutch, 3, right wheel, the 30, second freewheel clutch, 4, power input, 40, wheel for inputting, 41,
Pallet piece, 410, mounting portion, 411, pawl portion, the 42, first container, the 43, second container, 430, block, 44, elastic component,
5th, planet speed change mechanism, 50, centre wheel, 51, planet carrier, the 510, second pin hole, the 511, second ratchet, 52, planetary gear, 53, tooth
Circle, the 530, first gear ring connector, the 531, second gear ring connector, the 5310, first ratchet, 6, vehicle frame.
【Specific embodiment】
Two gear speed change gears are fixed below by specific embodiment to a kind of centre wheel described in the utility model to make into one
The detailed description of step.
To join shown in Fig. 1 to Fig. 4, a kind of centre wheel fixes two gear speed change gears, including：Main shaft 1 is set to main transmission
The left wheel 2 of 1 one end of axis, the right wheel 3 for being set to 1 other end of main shaft and the power being set on main shaft 1 input
Part 4 and planet speed change mechanism 5.
The power input 4 is sheathed on main shaft 1 and can be rotated relative to main shaft 1, the planet speed-change
Mechanism 5 include centre wheel 50, planet carrier 51, planetary gear 52 and gear ring 53, the centre wheel 50 be sheathed on main shaft 1 and with
6 damping of vehicle frame connects, and the main shaft 1 is equipped with the first pin hole 10, and the planet carrier 51 is equipped with the second pin hole 510, pin
It is fixedly connected across the first pin hole 10 and the second pin hole 510 so as to fulfill main shaft 1 and planet carrier 51.Certainly at other
Embodiment in, the planet carrier 51 can also be connect with main shaft 1 by spline, and the outside of the gear ring 53 is equipped with first
530 and second gear ring connector 531 of gear ring connector, in the present embodiment, the first gear ring connector 530 and gear ring 53
Between connected by spline, be connected through a screw thread between the second gear ring connector 531 and the first gear ring connector 530.When
So in other implementations, also may be used between the gear ring 53, the first gear ring connector 530 and the second gear ring connector 531
Being fixedly connected between three is realized using other fixed forms.
The power input 4 is equipped with and 4 integrally formed wheel for inputting 40 of power input, the power input 4
One end outer circumference surface on set there are two pallet piece 41, the power input 4 is equipped with to control 41 initial bit of pallet piece
The elastic component 44 put, is equipped in the second gear ring connector 531 and 41 matched first ratchet 5310 of pallet piece, the row
It is equipped with and 41 matched second ratchet 511 of pallet piece in carrier 51.The pallet piece 41 includes being installed in power input 4
Mounting portion 410 and with 511 matched pawl portion 411 of the first ratchet 5310 or the second ratchet, set in the power input 4
Have with 410 matched first container 42 of pallet piece mounting portion and with 411 matched second container of pallet piece pawl portion
43, the both sides of second container 43 are equipped with to be run through with 411 matched block 430 of pawl portion, first container 42
Wherein one end of power input 4.The block 430 can prevent pallet piece 41 to be detached from after being installed in power input 4.
The main shaft 1 includes the first shaft part 11, the second shaft part 12 and is set to the first shaft part 11 and the second shaft part 12
Between intermediate shaft part 13, the intermediate shaft part 13 be solid shafting, 11 and second shaft part 12 of the first shaft part be hollow shaft,
The diameter of the intermediate shaft part 13 is less than the diameter of the first shaft part 11 and the second shaft part 12.Designing in this way is advantageous in that and both makes master
Transmission shaft 1 has stronger structural strength, and can reduce the radial dimension of speed changer.First shaft part 11 and left wheel 2 it
Between be equipped with the first freewheel clutch 20, between second shaft part 12 and right wheel 3 be equipped with the second freewheel clutch 30, exist certainly
It in other embodiments, is fixedly connected between first shaft part 11 and left wheel 2, second shaft part 12 and right wheel 3
Between by being connected between bearing connection or the first shaft part 11 and left wheel 2 by bearing, second shaft part 12 and right vehicle
The utility model can be realized by being fixedly connected between wheel 3.
The operation principle that centre wheel fixes two gear speed change gears in the utility model is：During one gear, axial movement power is defeated
Enter part 4 so that pallet piece 41 is meshed with the second ratchet 511 in planet carrier 51 in power input 4, and power is inputted by power
Part 4 inputs, and since power input 4 is meshed with planet carrier 51, planet carrier 51 rotates, due to planet carrier 51 and main transmission
Axis 1 is fixedly connected, therefore main shaft 1 rotates, and so as to drive the vehicle wheel rotation at 1 both ends of main shaft, gear ring 53 is at this time
Servo-actuated state.During two gears, power input 4 is moved axially so that 41 and second gear ring connector of pallet piece in power input 4
The first ratchet 5310 in 531 is meshed, and power is inputted by power input 4, since power input 4 is connect with the second gear ring
Part 531 is meshed, and the second gear ring connector 531 is fixedly connected, therefore gear ring 53 again with the first gear ring connector 530 and gear ring 53
Rotation, and the transmission for passing through planetary gear 52 imparts power to planet carrier 51, since planet carrier 51 and main shaft 1 are fixed and are connected
It connects, therefore main shaft 1 rotates, so as to drive the vehicle wheel rotation at 1 both ends of main shaft.
In conclusion to fix two gear speed change gears simple in structure, easy for installation for the centre wheel in the utility model, by adopting
Shifted gears with pawl type, enormously simplify structure, reduce manufacture cost, and compared with the prior art in spline gearshift, this
Pawl type gearshift reliability higher in utility model, gearshift are lighter.
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 (9)
1. a kind of centre wheel fixes two gear speed change gears, which is characterized in that including：Main shaft is set to main shaft both ends
Wheel and the power input and planet speed change mechanism that are set on main shaft, the power input be sheathed on main transmission
It can rotate on axis and relative to main shaft, the planet speed change mechanism includes centre wheel, planet carrier, planetary gear and gear ring, institute
It states centre wheel to be sheathed on main shaft and be fixedly connected with vehicle frame or damping is connect, the planet carrier is fixed with main shaft to be connected
It connects, the outside of the gear ring is equipped with gear ring connector, and the gear ring connector is integrally formed or is fixedly connected with gear ring, described dynamic
The outer circumference surface of power input component is equipped at least one pallet piece, and the power input is equipped with to control pallet piece initial
The elastic component of position, be equipped in the gear ring connector with matched first ratchet of pallet piece, be equipped in the planet carrier with
Matched second ratchet of pallet piece.
2. a kind of centre wheel as described in claim 1 fixes two gear speed change gears, it is characterised in that：It is set on the main shaft
There is the first pin hole, the planet carrier is equipped with the second pin hole, and pin penetrates the first pin hole and the second pin hole so as to fulfill main shaft
It is fixedly connected between planet carrier.
3. a kind of centre wheel as described in claim 1 fixes two gear speed change gears, it is characterised in that：The pallet piece is set to
One end of power input, the power input are equipped with wheel for inputting.
4. a kind of centre wheel as described in claims 1 or 2 or 3 fixes two gear speed change gears, it is characterised in that：The gear ring connects
Fitting includes the first gear ring connector and the second gear ring connector, is connected between the first gear ring connector and gear ring by spline
It connects, is connected through a screw thread between the second gear ring connector and the first gear ring connector.
5. a kind of centre wheel as described in claim 1 fixes two gear speed change gears, it is characterised in that：The one of the main shaft
End is mutually fixed with wheel, is connected between the other end and wheel of the main shaft by bearing.
6. a kind of centre wheel as described in claim 1 fixes two gear speed change gears, it is characterised in that：The two of the main shaft
It is connected respectively by freewheel clutch between end and wheel.
7. a kind of centre wheel as described in claim 1 fixes two gear speed change gears, it is characterised in that：The main shaft includes
First shaft part, the second shaft part and the intermediate shaft part being set between the first shaft part and the second shaft part, the intermediate shaft part are solid
Axis, first shaft part and the second shaft part are hollow shaft, and the diameter of the intermediate shaft part is less than the first shaft part and the second shaft part
Diameter.
8. a kind of centre wheel as described in claim 1 fixes two gear speed change gears, it is characterised in that：The pallet piece includes peace
Loaded on the mounting portion in power input and with the first ratchet or the matched pawl portion of the second ratchet, in the power input
Equipped with the first container matched with pallet piece mounting portion and with matched second container in pallet piece pawl portion, described
The both sides of two containers are equipped with and the matched block in pawl portion.
9. a kind of centre wheel as claimed in claim 8 fixes two gear speed change gears, it is characterised in that：First container passes through
Wear wherein one end of power input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721802225.4U CN207598823U (en) | 2017-12-21 | 2017-12-21 | A kind of centre wheel fixes two gear speed change gears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721802225.4U CN207598823U (en) | 2017-12-21 | 2017-12-21 | A kind of centre wheel fixes two gear speed change gears |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207598823U true CN207598823U (en) | 2018-07-10 |
Family
ID=62765934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721802225.4U Withdrawn - After Issue CN207598823U (en) | 2017-12-21 | 2017-12-21 | A kind of centre wheel fixes two gear speed change gears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207598823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939920A (en) * | 2017-12-21 | 2018-04-20 | 张家港川梭车业有限公司 | A kind of centre wheel fixes two gear speed change gears |
-
2017
- 2017-12-21 CN CN201721802225.4U patent/CN207598823U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939920A (en) * | 2017-12-21 | 2018-04-20 | 张家港川梭车业有限公司 | A kind of centre wheel fixes two gear speed change gears |
| CN107939920B (en) * | 2017-12-21 | 2024-05-10 | 张家港川梭车业有限公司 | Two-gear speed change device with fixed center wheel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105485270B (en) | Planetary transmission and planetary transmission component | |
| CN205745128U (en) | The double clutch gear-shifting mechanism of a kind of electric motor car | |
| CN106428402A (en) | Two-stage speed change driving device for bicycle | |
| CN106481754B (en) | A kind of multi gear automatic internal speed variator of real | |
| US20130231214A1 (en) | Transmission with double-annular gear coplanar gear set | |
| CN207598823U (en) | A kind of centre wheel fixes two gear speed change gears | |
| CN107339379A (en) | A kind of planetary transmission movable type three keeps off speed change gear | |
| CN106481756B (en) | A kind of fixed Two-wheeled third gear fully-automatic gearbox of centre wheel gear ring | |
| CN207712239U (en) | A kind of gear of axis three speed change gear | |
| CN106949200A (en) | A kind of Two-wheeled ratchet movable type gearshift three keeps off speed change gear | |
| CN106985963A (en) | Single wheel drive three keeps off speed change gear | |
| CN208102248U (en) | A kind of single wheel drive straight line tramples two-gear transmission | |
| CN207683709U (en) | A kind of centre wheel fixation centre shaft variable speed device | |
| CN206797621U (en) | One kind 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 | |
| CN207421236U (en) | One kind two keeps off variable speed drive | |
| CN206278217U (en) | It is a kind of to be capable of achieving the quick bicycle with two wheel drive device for starting | |
| CN206797623U (en) | A kind of single wheel drive three keeps off speed change gear | |
| CN206361099U (en) | A kind of fixed Two-wheeled third gear fully-automatic gearbox of centre wheel gear ring | |
| CN206802213U (en) | A kind of portable gear of gearshift three speed change gear of Two-wheeled ratchet | |
| CN107939920A (en) | A kind of centre wheel fixes two gear speed change gears | |
| CN106015382A (en) | Large-torque synchronizer | |
| CN208138399U (en) | A kind of single wheel drive straight line tramples three shift transmissions | |
| CN108757862A (en) | One kind two keeps off full-automatic speed-changing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180710 Effective date of abandoning: 20240510 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180710 Effective date of abandoning: 20240510 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |