CN203756902U - Automobile stepless speed variator - Google Patents
Automobile stepless speed variator Download PDFInfo
- Publication number
- CN203756902U CN203756902U CN201420051227.4U CN201420051227U CN203756902U CN 203756902 U CN203756902 U CN 203756902U CN 201420051227 U CN201420051227 U CN 201420051227U CN 203756902 U CN203756902 U CN 203756902U
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- China
- Prior art keywords
- roller
- gear
- disk
- disc
- speed
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- Withdrawn - After Issue
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Abstract
Disclosed is an automobile stepless speed variator. A friction transmission mechanism comprises a drive gear connected to an engine spindle coaxially, three driven gears engaged with the drive gear, three branch friction discs which are mounted on driven gear shafts and which are driven by three rolling wheels, a main friction disc and a compressing spring. The rotary shaft of the main friction disc is connected to an automobile rear axle, and a speed variating mechanism comprises a rolling wheel limit disc and a rolling wheel synchronous triggering disc which are located between the branch friction discs and the main friction disc; a speed variating motor drives the rolling wheel synchronous triggering disc to rotate through a speed variating gear, the rolling wheel synchronous triggering disc drives the rolling wheels to move synchronously and radially through a screwed sliding groove, a rolling wheel pulling rod and a rolling wheel slider, the contacting radius of the roller wheels and the branch friction discs and the main friction disc is changed continuously, and stepless speed variation is implemented. The automobile stepless speed variator is simple in structure and low in cost, force bearing is balanced, power transmitting efficiency is high, speed variating range is broad, occupation is small, and the automobile stepless speed variator can be integrated with a clutch.
Description
Technical field
The utility model relates to automotive transmission, particularly a kind of automobile mechanical stepless speed changes devices.
Background technique
As everyone knows, automotive transmission is a vitals on automobile.Existing automotive transmission is divided into step change transmission and stepless speed variator.Step change transmission adopts hand gear, the defect that existence can not stepless change.Advantages such as buncher is because of continuously variable, and power output smoothing is smooth and easy, and fuel economy is good and start to be used more widely on car.
The metal band type stepless speed variator that the stepless speed variator the most generally using on car is at present hydraulic control.Although this metal band type stepless speed variator has the above-mentioned advantage of buncher, structure and speed control system more complicated, manufacture cost is higher; Steel band strength for the transferring power that rubs is limited, and transmitting torque efficiency is not high, and force balance is poor; Variator ratio range is less; It is larger that output shaft axis different from input shaft cause speed changer to take up room, and is unfavorable for assembling; Be not suitable at large discharge capacity high pulling torque automobile and move on fierce automobile and use.
Model utility content
The purpose of this utility model is the defect for prior art, provides a kind of simple in structure, low cost of manufacture, transferring power efficiency is high, gear ratio excursion large, less automative stepless speed-variation device takes up room.
For achieving the above object, the automative stepless speed-variation device that the utility model provides comprises slip gear and speed regulating mechanism; Comprise slip gear and speed regulating mechanism; Described slip gear comprises the driving gear coaxially joining with motor car engine main shaft, three driven gears that are meshed with driving gear; The diameter of three driven gears is identical, and its axle center is 120 ° each other; The driven gear shaft of three driven gears is parallel with driving shaft respectively, is arranged on gear shaft fixed plate; At the front end of three driven gear shafts, fixedly mount respectively vertical with driven gear shaft and be positioned at three minutes friction disks of same plane; The diameter of three minutes friction disks is identical, and the axis coinciding of its center of circle and corresponding driven gear shaft, approaches each other circumscribed but do not touch; Three minutes friction disks by three identical rollers, drive be positioned at its rear portion, main friction disk in parallel rotates, the rotatingshaft of main friction disk and driving shaft coaxial line, and be connected with the axle of automobile axle; The edge of main friction disk is corresponding with the home position of three minutes friction disks; There is pressurization device at main friction disk rear portion; Described speed regulating mechanism comprises that the roller between described three minutes friction disks and main friction disk defines disk and the synchronous shifting disc of roller; It is fixed tray that roller defines disk, and its center of circle overlaps with driving shaft shaft axis, along its radially, the center of circle of corresponding described three minutes friction disks offers three gyro wheeling concrete chutings; Roller can radially slide by roller slide block in gyro wheeling concrete chuting (12); The synchronous shifting disc of roller is ring, by being fixedly mounted on roller, define one group of positioning wheel radial location on disk rotatable, its rotating center defines circle disk center with roller and overlaps, gyro wheeling concrete chuting is positioned at the roller corresponding with the synchronous shifting disc endoporus of roller and defines on disk, on the synchronous shifting disc of roller, offer three helical chutes corresponding with gyro wheeling concrete chuting, the tie rod end of roller slide block has the pull bar slide block that can slide along helical chute; One side of the synchronous shifting disc of roller has timing gear, and this timing gear is meshed with the speed regulation gear being driven by speed-adjustable motor.
The pressurization device at described main friction disk rear portion is the Compress Spring being arranged on main friction disk rotatingshaft.
The working principle of the utility model automative stepless speed-variation device is: engine revolution drives driving gear rotation, driving gear stings that three driven gears make it in the same way, constant speed is synchronously rotated, three driven gears drive three minutes friction disks synchronous rotary with it by gear shaft, three minutes friction disks utilize frictional force to order about three to be close to roller on it around himself axis rotation, roller rotarily drive the main friction disk rotation that opposite side is close to it, the main friction disk of passive rotation is exported moment of torsion by its rotatingshaft; Speed-adjustable motor orders about the synchronous shifting disc of roller by speed regulation gear and rotates, three helical chutes on the synchronous shifting disc of roller pull three roller slide blocks synchronously to move radially by pull bar slide block and pull bar, be arranged on three rollers on roller slide block and along three minutes friction disks and main friction disk, radially make synchronizing moving, continuously change three rollers and the contact radius that divides friction disk and main friction disk, thereby change their rotating ratio, realize stepless shift function.
Compared with prior art, the utility model has the advantages that:
1, apparatus structure is simple, easy and simple to handle, low cost of manufacture.
2, with three minutes friction disks and a main friction disk, by roller, coordinate transmitting torque, rubbing contact point is many, stress balance, and transferring power efficiency is high, is particluarly suitable for using on the fierce automobile of large discharge capacity high pulling torque automobile and operation.
3, speed regulating mechanism is simple, easy and simple to handle, and variator ratio range can design as required, reaches as high as 3.0.
4, the input and output axle coaxial line of torque, speed change gear takes up room less, and is conducive to assembling.
5, main friction disk adopts Compress Spring pressurization, can utilize device with pedal to stir main friction disk and Compress Spring, makes main friction disk and three rollers disengagings, thereby can realize stepless change and clutch unites two into one.
Accompanying drawing explanation
Accompanying drawing is the utility model embodiment's schematic diagram.
Fig. 1 is the utility model embodiment's side view;
Fig. 2 is that Fig. 1 removes roller and defines the right elevation after disk and the synchronous shifting disc of roller;
Fig. 3 is that Fig. 1 removes roller and defines the left view after disk and the synchronous shifting disc of roller;
Fig. 4 is the schematic diagram of speed regulating mechanism in Fig. 1.
In figure: 1-driving gear, 2-driven gear I, 3-driven gear II, 4-driven gear III, 2 '-minute friction disk I, 3 '-minute friction disk II, 4 '-minute friction disk III, 5-gear shaft fixed plate, 6-roller defines disk, the synchronous shifting disc of 7-roller, 8-Compress Spring, 9a-roller I, 9b-roller II, 9c-roller III, 10a-positioning wheel I, 10b-positioning wheel II, 10c-positioning wheel III, the main friction disk of 11-, 12-gyro wheeling concrete chuting, 13-pull bar, 14-pull bar slide block, 15-helical chute, 16-roller slide block, 17-speed regulation gear.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
In conjunction with Fig. 1 to Fig. 4, the present embodiment automative stepless speed-variation device is comprised of slip gear and speed regulating mechanism.Wherein slip gear comprises the driving gear 1 coaxially joining with motor car engine main shaft, three driven gears---the driven gear I 2 being meshed with driving gear, driven gear II 3 and driven gear III 4; The diameter of three driven gears is identical, and its axle center is 120 ° each other; The driven gear shaft of three driven gears is parallel with driving shaft respectively, is arranged on gear shaft fixed plate 5; The rear end of three driven gear shafts fixedly mounts respectively vertical with driven gear shaft and is positioned at three minutes friction disks of same plane---minute friction disk I 2 ', minute friction disk II 3 ' and minute friction disk III 4 '; The diameter of three minutes friction disks is identical, and the axis coinciding of its center of circle and corresponding driven gear shaft, approaches each other circumscribed but do not touch; Within three minutes, friction disk is by three identical rollers---and roller I 9a, roller II 9b and roller III 9c driving are positioned at its rear portion, main friction disk 11 in parallel rotates, the rotatingshaft of main friction disk and driving shaft coaxial line, and be connected with the axle (not shown) of automobile axle, for output torque; The size of main friction disk is advisable with the center of three minutes friction disks of edge arrival of dish; Compress Spring 8 is installed on the rotatingshaft at main friction disk rear portion as pressurizing member; As shown in Figure 4, speed regulating mechanism comprises that the roller between described three minutes friction disks and main friction disk defines disk 6 and the synchronous shifting disc 7 of roller; Roller defines disk 6 for fixed tray, be arranged on car body, its center of circle and driving shaft axis coinciding, along its radially, the center of circle of described three minutes friction disks of correspondence offers three gyro wheeling concrete chutings 12; The axis of three rollers is parallel with main friction disk card and be mutually 120 degree distributions, by roller slide block 16, can in gyro wheeling concrete chuting 12, radially slide; The synchronous shifting disc 7 of roller is ring, its center of circle is defined circle disk center with roller and is overlapped, by being fixedly mounted on roller, define three positioning wheels on disk---positioning wheel I 10a, positioning wheel II 10b and positioning wheel III 10c and speed regulation gear 17 radial locations, and rotatable, the interior hole dimension of the synchronous shifting disc 7 of roller with its edge slightly exceed the outer rim of gyro wheeling concrete chuting 12, the endoporus that makes gyro wheeling concrete chuting be arranged in the synchronous shifting disc of roller is as the criterion; On the synchronous shifting disc of roller, offer three oblique helical chutes 15 corresponding with gyro wheeling concrete chuting, there is the pull bar slide block 14 that can slide along helical chute 15 pull bar 13 ends of roller slide block; One side of the synchronous shifting disc of roller is provided with timing gear, and this timing gear is meshed with the speed regulation gear 17 being driven by speed-adjustable motor (not shown).Speed-adjustable motor by speed regulation gear and timing gear can the forward and reverse rotation of the synchronous shifting disc of driving rolls (in Fig. 4 shown in arrow), three helical chutes on the synchronous shifting disc of roller are also along with rotation, helical chute drives radially synchronizing moving of three pull bars by the pull bar slide block being placed in one, pull bar drives radially synchronizing moving of three roller slide blocks again, three rollers that are arranged on roller slide block are made radially synchronizing moving simultaneously, by continuously changing three rollers, change rotating ratio with the contact radius of minute friction disk and main friction disk, realize stepless shift function.
Claims (2)
1. an automative stepless speed-variation device, comprises slip gear and speed regulating mechanism; It is characterized in that: described slip gear comprises the driving gear (1) coaxially joining with motor car engine main shaft three driven gears (2,3,4) that are meshed with driving gear; The diameter of three driven gears is identical, and its axle center is 120 ° each other; The driven gear shaft of three driven gears is parallel with driving shaft respectively, is arranged on gear shaft fixed plate (5); The front end of three driven gear shafts fixedly mount respectively vertical with driven gear shaft and be positioned at same plane three minutes friction disks (2 ', 3 ', 4 '); The diameter of three minutes friction disks is identical, and the axis coinciding of its center of circle and corresponding driven gear shaft, approaches each other circumscribed but do not touch; Three minutes friction disks by three identical rollers (9a, 9b, 9c), drive be positioned at its rear portion, main friction disk (11) in parallel rotates, the rotatingshaft of main friction disk and driving shaft coaxial line, and be connected with the axle of automobile axle; The edge of main friction disk is corresponding with the home position of three minutes friction disks; There is pressurization device at main friction disk rear portion; Described speed regulating mechanism comprises that the roller between described three minutes friction disks and main friction disk defines disk (6) and the synchronous shifting disc of roller (7); It is fixed tray that roller defines disk, and its center of circle overlaps with driving shaft shaft axis, along its radially, the center of circle of corresponding described three minutes friction disks offers three gyro wheeling concrete chutings (12); Roller can radially slide by roller slide block (16) in gyro wheeling concrete chuting (12); The synchronous shifting disc of roller is ring, by being fixedly mounted on roller, define one group of positioning wheel (10a, 10b, 10c) radial location on disk rotatable, its rotating center defines circle disk center with roller and overlaps, gyro wheeling concrete chuting (12) is positioned at the roller corresponding with the synchronous shifting disc endoporus of roller and defines on disk, on the synchronous shifting disc of roller, offer three helical chutes (15) corresponding with gyro wheeling concrete chuting (12), there is the pull bar slide block (14) that can slide along helical chute (15) pull bar of roller slide block (13) end; One side of the synchronous shifting disc of roller has timing gear, and this timing gear is meshed with the speed regulation gear being driven by speed-adjustable motor (17).
2. automative stepless speed-variation device according to claim 1, is characterized in that: the pressurization device at described main friction disk rear portion is the Compress Spring (8) being arranged on main friction disk rotatingshaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420051227.4U CN203756902U (en) | 2014-01-27 | 2014-01-27 | Automobile stepless speed variator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420051227.4U CN203756902U (en) | 2014-01-27 | 2014-01-27 | Automobile stepless speed variator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203756902U true CN203756902U (en) | 2014-08-06 |
Family
ID=51252182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420051227.4U Withdrawn - After Issue CN203756902U (en) | 2014-01-27 | 2014-01-27 | Automobile stepless speed variator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203756902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791055A (en) * | 2014-01-27 | 2014-05-14 | 沈阳建筑大学 | Automobile stepless speed change device |
-
2014
- 2014-01-27 CN CN201420051227.4U patent/CN203756902U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791055A (en) * | 2014-01-27 | 2014-05-14 | 沈阳建筑大学 | Automobile stepless speed change device |
| CN103791055B (en) * | 2014-01-27 | 2016-01-20 | 沈阳建筑大学 | A kind of automative stepless speed-variation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140806 Effective date of abandoning: 20160120 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |