CN207880058U - A kind of shift mechanism of two speed transmission - Google Patents
A kind of shift mechanism of two speed transmission Download PDFInfo
- Publication number
- CN207880058U CN207880058U CN201820105131.XU CN201820105131U CN207880058U CN 207880058 U CN207880058 U CN 207880058U CN 201820105131 U CN201820105131 U CN 201820105131U CN 207880058 U CN207880058 U CN 207880058U
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- CN
- China
- Prior art keywords
- friction plate
- gear
- rotating hub
- low
- clamping lever
- Prior art date
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- Gear-Shifting Mechanisms (AREA)
Abstract
The utility model discloses a kind of shift mechanism of two speed transmission, shift control bar is arranged in the endoporus of drive shaft tube；Rotating hub is fixed on the middle part of drive shaft tube in friction plate；Low or first gear driving gear and top gear driving gear are set on drive shaft tube；Low or first gear friction plate shell and top gear friction plate shell are respectively sleeved on low or first gear driving gear and top gear driving gear；Low or first gear friction plate and top gear friction plate are respectively fitted over the rear and front end of rotating hub in friction plate；The middle part axial rotation connection but circumferentially opposed fixation of rotating hub in the middle part of clamping lever and friction plate；One end of clamping lever passes through drive shaft tube and connect with the peripheral surface axial rotation of shift control bar but be circumferentially slidably connected；The other end of clamping lever is arranged between low or first gear friction plate and top gear friction plate.The utility model can substantially reduce power required when gear shift, provide extraordinary operating experience for user, market prospects are boundless.
Description
Technical field
The utility model is related to a kind of shift mechanisms of two speed transmission.
Background technology
The shift mechanism of existing two speed transmission, which realizes gear shift function mostly, to be transported by the axial of shift control bar
It moves and is realized positioned at the friction plate for pushing disc assembly front or behind to drive pushing disc assembly to compress.Such as applicant in
The utility model patent of Patent No. CN201610700577.2 filed in August in 2016 22 days《Stress machine in fluid drive axis
Structure》, since its shift control bar is being axially axially opposing fixed with disc assembly is pushed, pushes disc assembly and be applied to friction plate
On pressure be equal to the thrust of shift control bar, therefore need to apply larger power when gear-change operation, cause under client's likability
Drop.
Utility model content
The purpose of this utility model is to provide a kind of shift mechanism of two speed transmission that capableing of light gear shift.
Realizing the technical solution of the utility model aim is：A kind of shift mechanism of two speed transmission, including drive shaft tube,
Rotating hub, low or first gear friction plate, top gear friction plate, low or first gear driving gear, top gear driving tooth in shift control bar, friction plate
Wheel, low or first gear friction plate shell, top gear friction plate shell and clamping lever；The shift control bar is arranged in drive shaft tube
In endoporus；Rotating hub is fixed on the middle part of drive shaft tube in the friction plate；The low or first gear driving gear and top gear driving tooth
Wheel is set on drive shaft tube, and is located at the rear and front end of rotating hub in friction plate；The low or first gear friction plate shell and
Top gear friction plate shell is respectively sleeved on low or first gear driving gear and top gear driving gear；The low or first gear friction plate and
Top gear friction plate is respectively fitted over the rear and front end of rotating hub in friction plate, and is located at low or first gear friction plate shell and top gear
Friction plate enclosure；The clamping lever along renewal of facing renewal rotating hub be arranged circumferentially it is multiple；The clamping lever
Middle part and friction plate in rotating hub the connection of middle part axial rotation but circumferentially opposed fixation；One end of the clamping lever passes through
Drive shaft tube simultaneously connect with the peripheral surface axial rotation of shift control bar but is circumferentially slidably connected；The clamping lever it is another
End is arranged between low or first gear friction plate and top gear friction plate.
Rotating hub includes rotating hub in rotating hub and rear friction plate in front friction plate in the friction plate；The middle part of the clamping lever
It is rotatably arranged in front friction plate in rotating hub and rear friction plate between rotating hub.
The drive shaft tube is equipped with the two first annular protrusions of circle；Two first elasticity are also equipped on the drive shaft tube
Baffle ring；The first annular protrusion of two circles is located between two the first circlips；Before rotating hub is by being located in the front friction plate
The first annular protrusion at end and the limit of the first circlip are fixed；Rotating hub is by positioned at the first annular of rear end in the rear friction plate
Protrusion and the limit of the first circlip are fixed.
The middle part of the clamping lever is equipped with two the second annular protrusions of circle；The peripheral surface of the second annular protrusion of two circle
Section is arc-shaped；The front edge of rotating hub is arranged in Liang Quan in the back edge of rotating hub and rear friction plate in the front friction plate
Between second annular protrusion.
Third annular protrusion is equipped on the peripheral surface at the both ends of the clamping lever；The periphery of the third annular protrusion
The section in face is arc-shaped.
There are three the clamping lever is set.
The peripheral surface of the shift control bar is equipped with fourth annular protrusion；Also pacify on the peripheral surface of the shift control bar
Equipped with the second circlip, baffle ring and plain thrust bearing；Second circlip, baffle ring, plain thrust bearing and the 4th
Annular protrusion is arranged in order from front to back；One end end set of the clamping lever is convex with fourth annular in plain thrust bearing
Between rising.
The front end of the shift control bar is supported on by needle bearing on the inner wall of drive shaft tube；The drive shaft tube
Third circlip there are two being set on inner wall；The both ends of the outer ring of the needle bearing are limited by two third circlips respectively
Position.
Above-mentioned technical proposal is used, the utility model has advantageous effect below：(1) the utility model passes through compression
Lever carrys out pressing friction piece, according to the principle of lever force-saving, when gear shift the size of required power substantially reduce, can be carried to user
For extraordinary operating experience, market prospects are boundless.
(2) rotating hub and rotating hub in rear friction plate in front friction plate are rotatably arranged in the middle part of the clamping lever of the utility model
Between, assembly is more convenient.
(3) middle part of the clamping lever of the utility model is equipped with two the second annular protrusions of circle, two the second annular protrusions of circle
The section of peripheral surface is arc-shaped, and has not only played the role of installation limit, but also clamping lever is facilitated to rotate.
(4) third annular protrusion, third convex annular are equipped on the peripheral surface at the both ends of the clamping lever of the utility model
The section of peripheral surface risen is arc-shaped, convenient for clamping lever during rotation with shift control bar and low or first gear friction
The stability of piece and the contact of top gear friction plate.
(5) plain thrust bearing is arranged on the peripheral surface of the shift control bar of the utility model to contact with clamping lever, energy
It is enough to obtain very high axial load and rigidity.
(6) front end of the shift control bar of the utility model is supported on by needle bearing on the inner wall of drive shaft tube, is made
The course of work of shift control bar is more stablized.
Description of the drawings
In order to make the content of the utility model be easier to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail the utility model, wherein
Fig. 1 is the structural schematic diagram of the utility model.
In attached drawing marked as：
Drive shaft tube 1, first annular protrusion 1-1, the first circlip 1-2, third circlip 1-3, shift control bar
2, fourth annular protrusion 2-1, the second circlip 2-2, baffle ring 2-3, plain thrust bearing 2-4, needle bearing 2-5, friction plate
Rotating hub 3-1 in interior rotating hub 3, front friction plate, rotating hub 3-2, low or first gear friction plate 4, top gear friction plate 5, low speed in rear friction plate
Shelves driving gear 6, top gear driving gear 7, low or first gear friction plate shell 8, top gear friction plate shell 9, clamping lever 10, the
Second ring protrusion 10-1, third annular protrusion 10-2.
Specific implementation mode
(embodiment 1)
See Fig. 1, the shift mechanism of the two speed transmission of the present embodiment, the shift mechanism of two speed transmission, including drive shaft
It is pipe 1, shift control bar 2, rotating hub 3 in friction plate, low or first gear friction plate 4, top gear friction plate 5, low or first gear driving gear 6, high
Fast shelves driving gear 7, low or first gear friction plate shell 8, top gear friction plate shell 9 and clamping lever 10.
Shift control bar 2 is arranged in the endoporus of drive shaft tube 1.Rotating hub 3 is fixed in drive shaft tube 1 in friction plate
Portion.Low or first gear driving gear 6 and top gear driving gear 7 are set on drive shaft tube 1, and are located at rotating hub in friction plate
3 rear and front end.Low or first gear friction plate shell 8 and top gear friction plate shell 9 are respectively sleeved at low or first gear driving gear 6 and height
On fast shelves driving gear 7.Low or first gear friction plate 4 and top gear friction plate 5 are respectively fitted over the rear and front end of rotating hub 3 in friction plate,
And it is located inside low or first gear friction plate shell 8 and top gear friction plate shell 9.The rotating hub along renewal of facing renewal of clamping lever 10
3 be arranged circumferentially is multiple, preferably three.The middle part of rotating hub 3 axially turns in the middle part of clamping lever 10 and friction plate
Dynamic connection but circumferentially opposed fixation.One end of clamping lever 10 passes through drive shaft tube 1 and the peripheral surface axis with shift control bar 2
It is slidably connected to rotation connection but circumferentially.The other end of clamping lever 10 is arranged in low or first gear friction plate 4 and top gear friction plate
Between 5.
Rotating hub 3 includes rotating hub 3-2 in rotating hub 3-1 in front friction plate and rear friction plate in friction plate.In clamping lever 10
Portion is rotatably arranged in front friction plate in rotating hub 3-1 and rear friction plate between rotating hub 3-2.
Drive shaft tube 1 is equipped with the two first annular protrusion 1-1 of circle.Two first elasticity gears are also equipped on drive shaft tube 1
Enclose 1-2.The two first annular protrusion 1-1 of circle are located between two the first circlip 1-2.Rotating hub 3-1 is by being located in front friction plate
The first annular protrusion 1-1 of front end and the first circlip 1-2 limits are fixed.Afterwards in friction plate rotating hub 3-2 by positioned at rear end
First annular protrusion 1-1 and the first circlip 1-2 limits are fixed.
The middle part of clamping lever 10 is equipped with two the second annular protrusion 10-1 of circle.The peripheral surface of two the second annular protrusion 10-1 of circle
Section be arc-shaped.The front edge setting of rotating hub 3-2 exists in the back edge of rotating hub 3-1 and rear friction plate in front friction plate
Between two the second annular protrusion 10-1 of circle.
Third annular protrusion 10-2 is equipped on the peripheral surface at the both ends of clamping lever 10.Third annular protrusion 10-2's is outer
The section of circumferential surface is arc-shaped.
The peripheral surface of shift control bar 2 is equipped with fourth annular protrusion 2-1.It is also installed on the peripheral surface of shift control bar 2
There are the second circlip 2-2, baffle ring 2-3 and plain thrust bearing 2-4.Second circlip 2-2, baffle ring 2-3, plane thrust axis
It holds 2-4 and fourth annular protrusion 2-1 is arranged in order from front to back.One end end set of clamping lever 10 is in plain thrust bearing
Between 2-4 and fourth annular protrusion 2-1.
The front end of shift control bar 2 is supported on by needle bearing 2-5 on the inner wall of drive shaft tube 1.Drive shaft tube 1 it is interior
Third circlip 1-3 there are two being set on wall.The both ends of the outer ring of needle bearing 2-5 pass through two third circlip 1- respectively
3 limits.
The principle of the shift mechanism of the two speed transmission of the present embodiment is：Shift control bar 2 moves forward, and drives and compresses thick stick
One end of bar 10 moves forward, and the other end of clamping lever 10 is made to compress top gear friction component 5, to drive top gear actively
Gear 7 rotates；Shift control bar 2 moves backward, and drives one end of clamping lever 10 to move backward, makes the another of clamping lever 10
The tight low or first gear friction component 4 of side pressure, to drive low or first gear driving gear 6 to rotate.
Particular embodiments described above has carried out into one the purpose of this utility model, technical solution and advantageous effect
Step is described in detail, it should be understood that the foregoing is merely specific embodiment of the utility model, is not limited to this
Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap
Containing being within the protection scope of the utility model.
Claims (8)
1. a kind of shift mechanism of two speed transmission, it is characterised in that：Including drive shaft tube (1), shift control bar (2), friction
Rotating hub (3), low or first gear friction plate (4), top gear friction plate (5), low or first gear driving gear (6), top gear driving gear in piece
(7), low or first gear friction plate shell (8), top gear friction plate shell (9) and clamping lever (10)；The shift control bar (2) sets
It sets in the endoporus of drive shaft tube (1)；Rotating hub (3) is fixed on the middle part of drive shaft tube (1) in the friction plate；The low or first gear
Driving gear (6) and top gear driving gear (7) are set on drive shaft tube (1), and are located at rotating hub in friction plate (3)
Rear and front end；The low or first gear friction plate shell (8) and top gear friction plate shell (9) are respectively sleeved at low or first gear driving tooth
It takes turns on (6) and top gear driving gear (7)；The low or first gear friction plate (4) and top gear friction plate (5) are respectively fitted over friction plate
The rear and front end of interior rotating hub (3), and it is located at low or first gear friction plate shell (8) and top gear friction plate shell (9) inside；Institute
State clamping lever (10) along renewal of facing renewal rotating hub (3) be arranged circumferentially it is multiple；The middle part of the clamping lever (10)
It is connect with the middle part axial rotation of rotating hub in friction plate (3) but circumferentially opposed fixation；One end of the clamping lever (10) passes through
Drive shaft tube (1) simultaneously connect with the peripheral surface axial rotation of shift control bar (2) but is circumferentially slidably connected；The clamping lever
(10) the other end is arranged between low or first gear friction plate (4) and top gear friction plate (5).
2. a kind of shift mechanism of two speed transmission according to claim 1, it is characterised in that：Rotating hub in the friction plate
(3) include rotating hub (3-2) in rotating hub in front friction plate (3-1) and rear friction plate；The middle part rotation of the clamping lever (10) is set
It sets in front friction plate in rotating hub (3-1) and rear friction plate between rotating hub (3-2).
3. a kind of shift mechanism of two speed transmission according to claim 2, it is characterised in that：The drive shaft tube (1)
It is first annular raised (1-1) to be equipped with two circles；Two the first circlips (1-2) are also equipped on the drive shaft tube (1)；Institute
Two circles first annular raised (1-1) are stated to be located between two the first circlips (1-2)；Rotating hub (3-1) in the front friction plate
By first annular raised (1-1) and the first circlip (1-2) the limit fixation positioned at front end；Rotating hub in friction plate after described
(3-2) is by first annular raised (1-1) and the first circlip (1-2) the limit fixation positioned at rear end.
4. a kind of shift mechanism of two speed transmission according to claim 2, it is characterised in that：The clamping lever (10)
Middle part be equipped with two circle the second annular protrusions (10-1)；The section of the peripheral surface of two second annular protrusion of circle (10-1) is in circle
Arc；The front edge of rotating hub (3-2) is arranged two in the back edge and rear friction plate of rotating hub (3-1) in the front friction plate
It encloses between the second annular protrusion (10-1).
5. a kind of shift mechanism of two speed transmission according to claim 1, it is characterised in that：The clamping lever (10)
Both ends peripheral surface on be equipped with third annular protrusion (10-2)；The section of the peripheral surface of the third annular protrusion (10-2)
It is arc-shaped.
6. a kind of shift mechanism of two speed transmission according to claim 1, it is characterised in that：The clamping lever (10)
There are three if.
7. a kind of shift mechanism of two speed transmission according to claim 1, it is characterised in that：The shift control bar
(2) it is raised (2-1) that peripheral surface is equipped with fourth annular；It is also equipped with the second bullet on the peripheral surface of the shift control bar (2)
Property baffle ring (2-2), baffle ring (2-3) and plain thrust bearing (2-4)；Second circlip (2-2), baffle ring (2-3), plane
Thrust bearing (2-4) and fourth annular raised (2-1) are arranged in order from front to back；One end end of the clamping lever (10) is set
It sets between plain thrust bearing (2-4) and fourth annular raised (2-1).
8. a kind of shift mechanism of two speed transmission according to claim 1, it is characterised in that：The shift control bar
(2) front end is supported on by needle bearing (2-5) on the inner wall of drive shaft tube (1)；It is set on the inner wall of the drive shaft tube (1)
There are two third circlips (1-3)；The both ends of the outer ring of the needle bearing (2-5) pass through two third circlips respectively
(1-3) is limited.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820105131.XU CN207880058U (en) | 2018-01-22 | 2018-01-22 | A kind of shift mechanism of two speed transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820105131.XU CN207880058U (en) | 2018-01-22 | 2018-01-22 | A kind of shift mechanism of two speed transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207880058U true CN207880058U (en) | 2018-09-18 |
Family
ID=63507826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820105131.XU Expired - Fee Related CN207880058U (en) | 2018-01-22 | 2018-01-22 | A kind of shift mechanism of two speed transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207880058U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450163A (en) * | 2018-12-07 | 2019-03-08 | 上海上汽马瑞利动力总成有限公司 | A kind of hybrid dynamic system electric motor actuator |
-
2018
- 2018-01-22 CN CN201820105131.XU patent/CN207880058U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450163A (en) * | 2018-12-07 | 2019-03-08 | 上海上汽马瑞利动力总成有限公司 | A kind of hybrid dynamic system electric motor actuator |
| CN109450163B (en) * | 2018-12-07 | 2024-05-17 | 上海上汽马瑞利动力总成有限公司 | Motor actuator of hybrid system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180918 Termination date: 20210122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |