CN106005234B - A kind of gearshift - Google Patents
A kind of gearshift Download PDFInfo
- Publication number
- CN106005234B CN106005234B CN201610531769.5A CN201610531769A CN106005234B CN 106005234 B CN106005234 B CN 106005234B CN 201610531769 A CN201610531769 A CN 201610531769A CN 106005234 B CN106005234 B CN 106005234B
- Authority
- CN
- China
- Prior art keywords
- gearshift
- driving member
- pawl
- ratchet
- main part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
-
- 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
- B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Structure Of Transmissions (AREA)
Abstract
The present invention relates to a kind of gearshift, including：First driving member, the second driving member and gearshift, host cavity is formed between second driving member and the first driving member, second driving member is equipped with the inner wall being located in host cavity, first driving member is equipped with the outer wall being located in host cavity, the first ratchet is equipped at the outer wall of first driving member, the second ratchet is equipped at the inner wall of second driving member, the gearshift includes：Gearshift part frame and at least one shift member being installed on gearshift part frame, the gearshift part includes main part and extension, elastic device is provided in the extension or in shift member frame, one end of the main part is equipped with two-sided pawl, the other end of the main part or stage casing are provided with location hole, the axial line of the shift member frame is equipped with and the matched manual shift portion of elastic device, it can be achieved to shift gears by moving axially manual shift portion, while the transmission of ratchet and pawl also has the function of freewheel clutch.
Description
【Technical field】
The present invention relates to a kind of gearshifts.
【Background technology】
Bicycle speed-varying unit is divided into two kinds of internal speed changer and outer speed changer, outer speed changer be use open link chain mechanism for
Transmission system transforms to chain by stirring the selector being installed in front of bicycle and different chains is realized on different flywheels
Gearratio, since outer speed changer is exposed outside, is easier to get rusty, and is easily disturbed be subject to external force, so through
Often periodic maintenance is needed to maintain, internal speed changer mainly using planetary gear mechanism as transmission main body, is sealed in inside flower-drum,
By multilayer special seal material protection, so rainwater, dust, grease etc. cannot be introduced into, so there is no need to time-based maintenances, realize and exempt from
The advantages of maintenance.Internal speed changer is mainly made of planetary gear mechanism and gearshift, gearshift of the prior art
The following technological deficiency of generally existing：1st, structure is excessively complicated, and it is larger that worker repairs difficulty, 2, can not realize simultaneously surmount from
Two functions of clutch and gearshift.
【The content of the invention】
To solve the above problems, it is an object of the invention to provide a kind of gearshifts compact-sized, gearshift is firm.
To achieve the above object, the technical solution taken of the present invention is：A kind of gearshift, including：First driving member,
Two driving members and gearshift, second driving member are sheathed on the first driving member, second driving member and the first transmission
Host cavity is formed between part, second driving member is equipped with the inner wall being located in host cavity, and first driving member, which is equipped with, to be located at
Outer wall in host cavity is equipped with the first ratchet at the outer wall of first driving member, is equipped at the inner wall of second driving member
Second ratchet, the gearshift include：Gearshift part frame and at least one shift member being installed on gearshift part frame, the gearshift
Part includes the extension of the side wall extension of main part and main body, and the gearshift part main part is contained in host cavity, described
It is provided with elastic device in extension or in shift member frame, one end of the main part is equipped with two-sided pawl, in two-sided pawl
Inner face pawl is engaged with the first ratchet, and the outside pawl in two-sided pawl is engaged with the second ratchet, the main part it is another
One end or stage casing are provided with location hole, and the gearshift part is connected by the connector being installed in location hole with shift member frame,
The axial line of the shift member frame is equipped with the manual shift portion that can be moved axially along axial line, is equipped on the shift member frame
For controlling the elastic portion of two-sided pawl initial position.
A kind of gearshift in the present invention is further arranged to：The two-sided pawl is arranged at one end of main part, institute
The other end that location hole is arranged at main part is stated, the extension is arranged between two-sided pawl and location hole.
A kind of gearshift in the present invention is further arranged to：The two-sided pawl is arranged at one end of main part, institute
The other end that extension is arranged at main part is stated, the location hole is arranged between two-sided pawl and extension.
A kind of gearshift in the present invention is further arranged to：The elastic device includes elastic component and ball body.
A kind of gearshift in the present invention is further arranged to：The ball body is ball, ball roller or conehead are justified
Column.
A kind of gearshift in the present invention is further arranged to：The one side in the manual shift portion is equipped with the conical surface.
A kind of gearshift in the present invention is further arranged to：The elastic portion is torsional spring, spring wire or spring leaf.
A kind of gearshift in the present invention is further arranged to：First ratchet and the first driving member be integrally formed or
It is fixedly connected, second ratchet is integrally formed or is fixedly connected with the second driving member.
Compared with prior art, the present invention has the advantages that：Gearshift in the present invention is compact-sized, operation
It is convenient, shift gears firm, can be achieved to shift gears by moving axially manual shift portion, while the transmission of ratchet and pawl also has and surmounts
The function of clutch.
【Description of the drawings】
Fig. 1 is the structure diagram of gearshift in the embodiment of the present invention 1.
Fig. 2 is the structure diagram of the first driving member in the embodiment of the present invention 1.
Fig. 3 is the structure diagram of the second driving member in the embodiment of the present invention 1.
Fig. 4 is the structure diagram of shift member in the embodiment of the present invention 1.
Fig. 5 is the schematic cross-sectional view of shift member in the embodiment of the present invention 1.
Fig. 1 is into Fig. 5：1st, the first driving member, 10, outer wall, the 11, first ratchet, the 2, second driving member, 20, inner wall, 21,
Second ratchet, 3, gearshift, 30, gearshift part frame, 31, gearshift part, 310, main part, 311, inner face pawl, 312, outside spine
Pawl, 313, location hole, 314, side wall, 315, extension, 316, elastic device, 3160, elastic component, 3161, ball body, 4, accommodate
Chamber, 5, manual shift portion, 50, the conical surface.
【Specific embodiment】
It refers to shown in Figure of description 1, the present invention is a kind of centrifugation gearshift, mainly by the first driving member 1, second
Driving member 2 and more than 3 part of gearshift composition.
Please continue to refer to Fig. 2 to Fig. 5, second driving member 2 is sheathed on the first driving member 1, second driving member 2
Forming host cavity 4 between the first driving member 1, second driving member 2 is equipped with the inner wall 20 being located in host cavity 4, and described the
One driving member 1 is equipped with the outer wall 10 being located in host cavity 4, and the first ratchet 11, institute are equipped at the outer wall 10 of first driving member 1
It states and the second ratchet 21 is equipped at the inner wall 20 of the second driving member 2, in the present embodiment, first ratchet 11 and first is driven
Part 1 is integrally formed, and second ratchet 21 is integrally formed with the second driving member 2.The gearshift 3 includes：Gearshift part frame 30
And the gearshift part 31 on gearshift part frame 30 is installed on, in the present embodiment, the quantity of the shift member 31 is one, is existed certainly
In other embodiment, the quantity of the shift member or two, three it is even more.The gearshift part 31 includes main body
Portion 310, the main part 310 are contained in host cavity 4, and one end of the main part 310 is equipped with two-sided pawl, in two-sided pawl
Inner face pawl 311 be engaged with the first ratchet 11, the outside pawl 312 in two-sided pawl is engaged with the second ratchet 21, institute
The other end for stating main part 310 is provided with location hole 313, and the gearshift part 31 is by being installed on the pin in location hole 313 with changing
Shelves part frame 30 is connected, and the side wall 314 of the main part 310 is extended with extension 315, and the extension 315 is located at location hole
Between 313 and two-sided pawl, elastic device 316 is provided in the extension 315, the elastic device 316 includes elastic component
3160 and ball body 3161, the ball body 3161 can be ball, ball roller or conehead cylinder, the elastic device 316
Effect be when pawl do not transfer power it is servo-actuated when, pawl can the springing on ratchet.Certainly, in other implementations, it is described
Elastic device 316 can be also not arranged in extension 315, and is arranged in gearshift part frame 30, can also realize the present invention, described to change
The axial line of shelves part frame 30 be equipped with 316 matched manual shift portion 5 of elastic device, the manual shift portion 5 can be along axis
Heart line moves axially, and the one end in the manual shift portion 5 is equipped with the conical surface 50, smoothly to engage.Pacify on the shift member frame 30
Equipped with for controlling the elastic portion of pawl initial position (not shown), the elastic portion can be torsional spring or spring leaf.
The operation principle of gearshift is in the present embodiment：During initial position, by the elastic force of elastic portion, the shift member
Inner face pawl 311 be meshed with the first ratchet 11 of the first driving member 1, during gearshift, axial movement manual shift portion 5 makes to change
Stopper 5 is engaged with the ball body 3161 of shift member elastic device, and gearshift portion 5 jacks up gearshift part 31, and circular direction is unfolded outward, inner face
Pawl 311 and the first ratchet 11 of the first driving member 1 disengage, and outside pawl 312 and 21 phase of the second ratchet of the second driving member 2 are nibbled
It closes, realizes gearshift, while the transmission of ratchet and pawl also has the function of freewheel clutch.
Embodiment 2
Gearshift remaining structure in the present embodiment is same as Example 1, difference lies in the structure of shift member 31,
In the present embodiment, the two-sided pawl is arranged at one end of main part 310, and the extension 315 is arranged at main part 310
The other end, the location hole 313 are arranged between two-sided pawl and extension 315, and the work of gearshift is former in the present embodiment
It manages and is：During initial position, by the elastic force of elastic portion, second in 312 and second driving member 2 of outside pawl of the gearshift part
Ratchet 21 is meshed, and when shifting gears, axial movement manual shift portion 5 makes manual shift portion 5 and the ball for part elastic device of shifting gears
Body 3161 engages, and shifting sleeve 5 jacks up gearshift part 31, and circular direction is packed up inside, so that 312 and second driving member 2 of outside pawl
Second ratchet 21 disengages, and inner face pawl 311 is made to be engaged with the first ratchet 11 of the first driving member 1, realize gearshift, while ratchet and
The transmission of pawl also has the function of freewheel clutch.
The implementation that the principles and effects of the invention is only illustrated in the above embodiments and part uses
Example, and is not intended to limit the present invention；It should be pointed out that for those of ordinary skill in the art, wound of the present invention is not being departed from
On the premise of making design, various modifications and improvements can be made, these belong to protection scope of the present invention.
Claims (8)
1. a kind of gearshift, which is characterized in that including：First driving member, the second driving member and gearshift, described second passes
Moving part is sheathed on the first driving member, and host cavity, second transmission are formed between second driving member and the first driving member
Part is equipped with the inner wall being located in host cavity, and first driving member is equipped with the outer wall being located in host cavity, first driving member
Outer wall at be equipped with the first ratchet, the second ratchet is equipped at the inner wall of second driving member, the gearshift includes：Gearshift
Part frame and at least one shift member being installed on gearshift part frame, the gearshift part includes main part and the side wall of main body prolongs
The extension stretched, the main part of the gearshift part are contained in host cavity, and bullet is provided in the extension or in shift member frame
Property device, one end of the main part is equipped with two-sided pawl, and the inner face pawl in two-sided pawl is engaged with the first ratchet, two-sided
Outside pawl in pawl is engaged with the second ratchet, and the other end of the main part or stage casing are provided with location hole, described to change
Block piece is connected by the connector being installed in location hole with shift member frame, and the axial line of the shift member frame is equipped with can edge
The manual shift portion of axial line axial movement, is equipped with to control the elasticity of two-sided pawl initial position on the shift member frame
Portion.
2. a kind of gearshift as described in claim 1, it is characterised in that：The two-sided pawl is arranged at the one of main part
End, the location hole are arranged at the other end of main part, and the extension is arranged between two-sided pawl and location hole.
3. a kind of gearshift as described in claim 1, it is characterised in that：The two-sided pawl is arranged at the one of main part
End, the extension are arranged at the other end of main part, and the location hole is arranged between two-sided pawl and extension.
4. a kind of gearshift as described in claim 1, it is characterised in that：The elastic device includes elastic component and ball
Body.
5. a kind of gearshift as claimed in claim 4, it is characterised in that：The ball body is ball, ball roller or cone
Head cylinder.
6. a kind of gearshift as described in claim 1, it is characterised in that：The one side in the manual shift portion is equipped with the conical surface.
7. a kind of gearshift as described in claim 1, it is characterised in that：The elastic portion is torsional spring, spring wire or spring
Piece.
8. a kind of gearshift as described in claim 1, it is characterised in that：First ratchet and the first driving member one into
Type is fixedly connected, and second ratchet is integrally formed or is fixedly connected with the second driving member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610531769.5A CN106005234B (en) | 2016-07-07 | 2016-07-07 | A kind of gearshift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610531769.5A CN106005234B (en) | 2016-07-07 | 2016-07-07 | A kind of gearshift |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106005234A CN106005234A (en) | 2016-10-12 |
| CN106005234B true CN106005234B (en) | 2018-06-01 |
Family
ID=57108538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610531769.5A Active CN106005234B (en) | 2016-07-07 | 2016-07-07 | A kind of gearshift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106005234B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476979B (en) * | 2016-12-07 | 2022-03-04 | 张家港川梭车业有限公司 | Bicycle double-wheel driving device capable of realizing quick start |
| CN106985963B (en) * | 2017-05-11 | 2022-06-07 | 张家港川梭车业有限公司 | Single-wheel drive three-gear speed change device |
| CN106985960B (en) * | 2017-05-11 | 2022-09-06 | 张家港川梭车业有限公司 | Double-front-wheel direct-drive pawl moving and gear shifting speed change device |
| CN107131263B (en) * | 2017-06-14 | 2023-04-07 | 张家港川梭车业有限公司 | Shaft input type three-gear inner speed changer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3829691A1 (en) * | 1988-09-01 | 1990-03-15 | Fichtel & Sachs Ag | Multi-gear hub |
| CN2732614Y (en) * | 2004-09-10 | 2005-10-12 | 重庆力帆实业（集团）有限公司 | Reverse gear locking mechanism of motorcycle |
| CN204327879U (en) * | 2014-12-17 | 2015-05-13 | 重庆宗申发动机制造有限公司 | A kind of electric motor car two grades of speed variator systems |
| CN205278331U (en) * | 2015-11-25 | 2016-06-01 | 重庆胜利工业（集团）有限公司 | Motorcycle engine |
| CN205872357U (en) * | 2016-07-07 | 2017-01-11 | 张家港川梭车业有限公司 | Gear shift device |
-
2016
- 2016-07-07 CN CN201610531769.5A patent/CN106005234B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3829691A1 (en) * | 1988-09-01 | 1990-03-15 | Fichtel & Sachs Ag | Multi-gear hub |
| CN2732614Y (en) * | 2004-09-10 | 2005-10-12 | 重庆力帆实业（集团）有限公司 | Reverse gear locking mechanism of motorcycle |
| CN204327879U (en) * | 2014-12-17 | 2015-05-13 | 重庆宗申发动机制造有限公司 | A kind of electric motor car two grades of speed variator systems |
| CN205278331U (en) * | 2015-11-25 | 2016-06-01 | 重庆胜利工业（集团）有限公司 | Motorcycle engine |
| CN205872357U (en) * | 2016-07-07 | 2017-01-11 | 张家港川梭车业有限公司 | Gear shift device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106005234A (en) | 2016-10-12 |
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