CN201963836U - Wheel chair differential adjustment differential mechanism - Google Patents
Wheel chair differential adjustment differential mechanism Download PDFInfo
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- CN201963836U CN201963836U CN2011200881627U CN201120088162U CN201963836U CN 201963836 U CN201963836 U CN 201963836U CN 2011200881627 U CN2011200881627 U CN 2011200881627U CN 201120088162 U CN201120088162 U CN 201120088162U CN 201963836 U CN201963836 U CN 201963836U
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- gear
- differential
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- driving
- worm
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Abstract
The utility model relates to a wheel chair differential adjustment differential mechanism. The differential mechanism is characterized in that two planetary gear sets sharing a sun gear are coaxially arranged in parallel; a sun driving gear (2), a left side planetary gear (3), a left side gear ring (5), a left half shaft (12) and a left planet wheel bracket (7) form a left side planetary gear set; the sun driving gear (2), a right side planetary gear (4), a right side gear ring (6), a right half shaft (13) and a right planet wheel bracket (8) form a right side planetary gear set; the two gear sets share the sun driving gear (2); a differential driving conical gear (9) and a worm gear (14) are simultaneously meshed with the left side gear ring (5) and the right side gear ring (6) in the two planetary gear sets through the differential driving conical gear (9); the differential driving conical gear (9) and the worm gear (14) are driven by a differential driving worm (15), which is meshed with the differential driving conical gear (9) and the worm gear (14), and a differential power input shaft (10) of the differential driving worm (15); the sun driving gear (2) is driven by a constant velocity driving gear (16), which is meshed with the sun driving gear (2), and a constant velocity power input shaft (11) of the constant velocity driving gear (16); and all of the parts are installed in a differential mechanism casing (1) through bearings.
Description
Technical field
The utility model belongs to vehicle and uses the differential art field, relates in particular to the wheelchair accent difference differential mechanism that a kind of wheelchair differential is advanced and turned to.
Background technique
The double equipment that turns to of the differential motion of present similar wheelchair one class, generally adopt double dynamical two runners that drive respectively, realize seesawing and turning to by the rotating speed of controlling two runners, but be based on the open loop control characteristic of hybrid power system, two runners can not realize well that constant speed rotates or accurately turn to, snakelike advancing often occurring turns to radius of turn is unsettled, equipment moving controlled relatively poor, the present invention is by the accent difference differential mechanism of ingenious design, can effectively control the speed difference of two runners, can realize complete constant speed and accurate controlled speed discrepancy, realize stably straight line motion then and turn to accurately, obviously improve the handling of this kind equipment.
Summary of the invention
The purpose of this utility model is the deficiency that exists at above-mentioned differential mechanism, design a kind of wheelchair and transfer the difference differential mechanism, can effectively control the speed difference of two runners, can realize complete constant speed and accurate controlled speed discrepancy, then realize stably straight line motion and turn to accurately, obviously improve the handling of this type of vehicle.Realization the technical solution used in the present invention is: it is to be arranged by the planetary gear set of two shared sun gears coaxial line arranged side by side that this wheelchair is transferred the feature of difference differential mechanism, by sun actuation gear, the left side planetary pinion, the left side gear ring, left half axle and left lateral star-wheel support are formed left row star gear train, left half axle and left lateral star-wheel support constitute one, by sun actuation gear, the right side planetary pinion, the right side gear ring, right axle shaft and right lateral star-wheel support are formed the right side planetary gear set, right axle shaft and right lateral star-wheel support constitute one, two shared sun actuation gears of gear train; Left side gear ring, right side gear ring have the side angular wheel respectively, differential drives umbrella gear and worm gear and meshes simultaneously by umbrella gear and left side gear ring, right side gear ring in two planetary gear set, and differential drives umbrella gear and worm gear drives worm screw and the driving of differential-speed dynamic input shaft thereof by the differential with its engagement; Sun actuation gear is driven by wait speed drive gear and the constant speed power input shaft thereof with its engagement.Differential drives umbrella gear and worm gear constitutes one, and differential drives worm screw and the differential-speed dynamic input shaft constitutes one, waits speed drive gear and constant speed power input shaft thereof to constitute one.All parts all by Bearing Installation in the differential mechanism enclosure.
The utility model can effectively be controlled the speed difference of two runners, can realize complete constant speed and accurate controlled speed discrepancy, realizes stably straight line motion then and turns to accurately, can be applied to the driving of wheelchair class runner or be used as differential lock.
Description of drawings
Fig. 1 is the profile of the utility model structural representation;
Fig. 2 is the cross section of the utility model structural representation.
Among the figure, 1, the differential mechanism shell, 2, sun actuation gear, 3, left side planetary pinion, 4, right side planetary pinion, 5. left side gear ring, 6, right side gear ring, 7, left lateral star-wheel support, 8, right lateral star-wheel support, 9, differential drives umbrella gear, and 10, the differential-speed dynamic input shaft, 11, the constant speed power input shaft, 12, left half axle, 13, right axle shaft, 14, worm gear, 15, differential drives worm screw, 16, etc. speed drive gear.
Embodiment:
With reference to accompanying drawing, it is to be arranged by the planetary gear set of two shared sun gears coaxial line arranged side by side that this wheelchair is transferred the feature of difference differential mechanism, by sun actuation gear 2, left side planetary pinion 3, left side gear ring 5, left half axle 12 and left lateral star-wheel support 7 are formed the left side planetary gear set, left half axle 12 and left lateral star-wheel support 7 constitute one, by sun actuation gear 2, right side planetary pinion 4, right side gear ring 6, right axle shaft 13 and right lateral star-wheel support 8 are formed the right side planetary gear set, right axle shaft 13 and right lateral star-wheel support 8 constitute one, two shared sun actuation gears 2 of gear train; Left side gear ring 5, right side gear ring 6 have the side angular wheel respectively, differential drives umbrella gear 9 and worm gear 14 and drives umbrella gear 9 by differential and mesh simultaneously with left side gear ring 5, right side gear ring 6 in two planetary gear set, differential drive umbrella gear 9 and worm gear 14 by with the differential driving worm screw 15 and 10 drivings of differential-speed dynamic input shaft thereof of its engagement; Sun actuation gear 2 is driven by wait speed drive gear 16 and the constant speed power input shaft 11 thereof with its engagement.Differential drives umbrella gear 9 and worm gear 14 constitutes one, and differential drives worm screw 15 and differential-speed dynamic input shaft 10 constitutes one, waits speed drive gear 16 and constant speed power input shaft 11 thereof to constitute one.All parts all by Bearing Installation in differential mechanism shell 1 inside.
Working principle of the present utility model is as follows:
By sun actuation gear 2 input craspedodrome power and rotations, thereby under the static situation of gear ring, drive planetary pinion and the support constant speed is rotated in the same way; Drive umbrella gear by worm and gear and drive two gear rings simultaneously, allow gear ring obtain the constant speed return motion, thereby under the static situation of sun gear, drive planetary pinion and support constant speed backward rotation thereof.When sun gear and gear ring rotate simultaneously, can obtain the to keep straight on stack of motion and turning motion of planetary set and support thereof.When waiting speed drive gear 16 and constant speed power input shaft 11 thereof to rotate, sun actuation gear 2 can be driven in rotation, thereby drive left side planetary pinion 3 and 4 rotations of right side planetary pinion, this moment, left half axle 12 and planetary carrier 7 and right axle shaft 13 and planetary carrier 8 can constant speed rotate in the same way, if left half axle 12 and planetary carrier 7 and right axle shaft 13 and planetary carrier 8 rotating speeds do not wait the variable speed that will certainly cause the left side gear ring 5 that is engaged with and right side gear ring 6 to rotate, then cause differential to drive umbrella gear 9 and worm gear 14 rotations, because differential driving umbrella gear 9 and worm gear 14 are subjected to differential to drive the self-locking action of worm screw 15 and differential-speed dynamic input shaft 10 thereof and can not rotate, cause left half axle 12 and planetary carrier 7 and right axle shaft 13 and planetary carrier 8 constant speed to rotate in the same way, promptly realize the motion of keeping straight on, it is infinitely great that turning diameter equals.When differential drives worm screw 15 and 10 rotations of differential-speed dynamic input shaft thereof, differential drives umbrella gear 9 and worm gear 14 can be driven and rotate, then drive with the left side gear ring 5 and the right side gear ring 6 of its both sides engagement and make the constant speed backward rotation, keep under the static situation in kept straight on drive system control of sun actuation gear 2, left side planetary pinion 3 and right side planetary pinion 4 are made the constant speed backward rotation, left half axle 12 and planetary carrier 7 and right axle shaft 13 and planetary carrier 8 can be made the constant speed backward rotation simultaneously, this moment, equipment can be realized the pivot turn campaign, and turning diameter equals zero.When driving worm screw 15 and differential-speed dynamic input shaft 10 thereof at sun actuation gear 2 and differential and all rotate, left side planetary pinion 3 and right side planetary pinion 4 can be done the stack that constant speed backward rotation and constant speed are rotated in the same way, left half axle 12 and planetary carrier 7 and right axle shaft 13 and planetary carrier 8 can be done the stack that constant speed backward rotation and constant speed are rotated in the same way simultaneously, realize that turning diameter is not equal to zero turning motion.When differential drove umbrella gear 9 and worm gear 14 drive parts and is function with the braking, this differential mechanism was the differential mechanism of a controlled band differential lock.
Claims (1)
1. a wheelchair is transferred the difference differential mechanism, it is characterized in that arranging by the planetary gear set of two shared sun gears coaxial line arranged side by side, by sun actuation gear (2), left side planetary pinion (3), left side gear ring (5), left half axle (12) and left lateral star-wheel support (7) are formed the left side planetary gear set, left half axle (12) and left lateral star-wheel support (7) constitute one, by sun actuation gear (2), right side planetary pinion (4), right side gear ring (6), right axle shaft (13) and right lateral star-wheel support (8) are formed the right side planetary gear set, right axle shaft (13) and right lateral star-wheel support (8) constitute one, two shared sun actuation gears of gear train (2); Left side gear ring (5), right side gear ring (6) have the side angular wheel respectively, differential drives umbrella gear (9) and worm gear (14) and drives umbrella gear (9) by differential and mesh simultaneously with left side gear ring (5), right side gear ring (6) in two planetary gear set, and differential drives umbrella gear (9) and worm gear (14) drives worm screw (15) and differential-speed dynamic input shaft (10) driving thereof by the differential with its engagement; Sun actuation gear (2) is driven by wait speed drive gear (16) and the constant speed power input shaft (11) thereof with its engagement, differential drives umbrella gear (9) and worm gear (14) constitutes one, differential drives worm screw (15) and differential-speed dynamic input shaft (10) constitutes one, constitute one Deng speed drive gear (16) and constant speed power input shaft (11) thereof, all parts all by Bearing Installation in differential mechanism shell (1) inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200881627U CN201963836U (en) | 2011-03-30 | 2011-03-30 | Wheel chair differential adjustment differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200881627U CN201963836U (en) | 2011-03-30 | 2011-03-30 | Wheel chair differential adjustment differential mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201963836U true CN201963836U (en) | 2011-09-07 |
Family
ID=44526372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200881627U Expired - Fee Related CN201963836U (en) | 2011-03-30 | 2011-03-30 | Wheel chair differential adjustment differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201963836U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720820A (en) * | 2011-03-30 | 2012-10-10 | 张维国 | Difference-adjusting differential for wheelchair |
| CN102966062A (en) * | 2012-11-29 | 2013-03-13 | 江苏财经职业技术学院 | Differential power device for garbage sweeper |
| CN103775599A (en) * | 2014-01-06 | 2014-05-07 | 管中林 | Parallel type cross all-wheel-drive differential mechanism |
| CN108852671A (en) * | 2018-04-24 | 2018-11-23 | 恩比尔(厦门)机械制造有限公司 | wheelchair fast steering device |
| CN110608267A (en) * | 2019-10-22 | 2019-12-24 | 肖祖荣 | Speed reducer |
-
2011
- 2011-03-30 CN CN2011200881627U patent/CN201963836U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720820A (en) * | 2011-03-30 | 2012-10-10 | 张维国 | Difference-adjusting differential for wheelchair |
| CN102966062A (en) * | 2012-11-29 | 2013-03-13 | 江苏财经职业技术学院 | Differential power device for garbage sweeper |
| CN102966062B (en) * | 2012-11-29 | 2014-09-17 | 江苏财经职业技术学院 | Differential power device for garbage sweeper |
| CN103775599A (en) * | 2014-01-06 | 2014-05-07 | 管中林 | Parallel type cross all-wheel-drive differential mechanism |
| CN103775599B (en) * | 2014-01-06 | 2016-08-17 | 管中林 | Parallel 4 wheel driven cross-drive differential mechanism |
| CN108852671A (en) * | 2018-04-24 | 2018-11-23 | 恩比尔(厦门)机械制造有限公司 | wheelchair fast steering device |
| CN110608267A (en) * | 2019-10-22 | 2019-12-24 | 肖祖荣 | Speed reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20130330 |