CN203450312U - Intelligent speed change mechanism for human-powered vehicle - Google Patents
Intelligent speed change mechanism for human-powered vehicle Download PDFInfo
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- CN203450312U CN203450312U CN201320437556.8U CN201320437556U CN203450312U CN 203450312 U CN203450312 U CN 203450312U CN 201320437556 U CN201320437556 U CN 201320437556U CN 203450312 U CN203450312 U CN 203450312U
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- interior axle
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Abstract
The utility model discloses an intelligent speed change mechanism for a human-powered vehicle. The intelligent speed change mechanism is simple in structure, convenient to use and high in safety performance. The intelligent speed change mechanism is characterized by comprising a support. A power drive shaft and a power output shaft are arranged on the support. The power drive shaft is formed by an inner shaft and an outer shaft. A constant-speed linked transmission chain is arranged between the inner shaft and the power output shaft. Gears in a driving gear set correspond to and are meshed with gears in a driven gear set. A plurality of driving gears are combined together through compression rings in a press fit mode. Plane bearings are arranged between the adjacent driving gears and between the driving gears and the compression rings. Key gears are arranged on the outer shaft. Outer teeth of the key gears are meshed with inner teeth of the driving gears in a linkage mode. A traction frame is arranged on the inner shaft and is connected with the key gears. The traction frame is in slide fit with the inner shaft. A radial slide bar is arranged on the inner shaft. Centrifugal hammers are arranged on the slide bar in a sleeved mode. Each centrifugal hammer is provided with a first return tension spring. Pull lines are arranged between the centrifugal hammers and an inner sleeve and are in linkage with the centrifugal hammers. A second return spring is arranged on the other side of the key gears.
Description
Technical field
The utility model relates to a kind of speed-changing mechanism, and more particularly, it relates to a kind of manpower transportation's intelligent speed changing mechanism.
Background technology
Traditional manpower transportation's running is all alternately trampled and is rotated front gear (large toothed disk) by human body left and right leg, by chain, transmission of power to change-speed box (generally at trailing wheel) is carried out to transformation of speed again, thereby drive trailing wheel to rotate, make rickshaw advance, in the process of advancing, often need to carry out speed change according to the difference of road conditions etc.In prior art, rickshaw speed change is generally pulled variable speed control bar by hand and is caused driving chain mobile realization between the gear of the different numbers of teeth; But speed change needs artificial hand intervention, gear can not be exactly according to the speed of the speed of a motor vehicle and auto-changing, and often need no small hand strength while moving variable speed control bar, easily disperse driver's attention and affect car body balance, cause the generation of contingency, cause personal injury.
Utility model content
The technical problems to be solved in the utility model is the above-mentioned deficiency for prior art, and a kind of manpower transportation's intelligent speed changing mechanism that a kind of performance easy to use, safe is high is provided.
The technical solution of the utility model is such: this manpower transportation's intelligent speed changing mechanism, comprise support, rack-mount Power Available Shaft and power take-off shaft, described Power Available Shaft and power take-off shaft be arranged in parallel, described Power Available Shaft is to consist of interior axle and outer shaft, it is peripheral that outer shaft portion is set in interior axle, between interior axle and outer shaft, be provided with bearing, between interior axle and power take-off shaft, be provided with the driving chain of constant speed interlock, on outer shaft, be provided with successively a plurality of driving tooth wheels from small to large, on power take-off shaft, be fixed with a plurality of driven tooth wheels from large to small, driving tooth wheels are corresponding and intermeshing one by one with the large miniature gears between driven tooth wheels, a plurality of driving gears of described driving tooth wheels press together by two pressure rings that are arranged on Power Available Shaft, between adjacent driving gear and between driving gear and pressure ring, are being respectively equipped with surface bearing, on outer shaft, be provided with along its key gear in axial sliding, the internal tooth of each driving gear in the external tooth of key gear and driving tooth wheels engagement interlock, the thickness of key gear and the thickness of single driving gear adapt, described interior axle is provided with drawbar frame, one side drawbar frame be fixedly connected with key gear, drawbar frame is provided with inner sleeve and interior axle bearing fit, between inner sleeve and drawbar frame, is provided with bearing, on interior axle, be provided with radially slide bar, be arranged with centrifugal hammer on slide bar, centrifugal hammer is provided with the first returning pull-spring, is provided with bracing wire interlock between centrifugal hammer and inner sleeve, at key gear another side, is provided with the second pull back spring.
Further, above-mentioned manpower transportation's intelligent speed changing mechanism, is evenly distributed with three radially slide bars on described interior axle, at every, radially on slide bar, be respectively equipped with centrifugal hammer, and each centrifugal hammer is respectively equipped with bracing wire and inner sleeve interlock.
Further, above-mentioned manpower transportation's intelligent speed changing mechanism, described driving tooth wheels and driven gear group are respectively equipped with five gears that cooperatively interact.
Further, above-mentioned manpower transportation's intelligent speed changing mechanism, described drawbar frame is triangle, is provided with three pull bars and is connected with key gear.
Compared with prior art, the technical scheme that the utility model provides can realize gear switch intellectuality, when the speed of a motor vehicle is accelerated, gear converts from trend high speed gear, when the speed of a motor vehicle declines, gear returns from trend low gear again, completely without manual intervention, both hands only need to be absorbed in and turn to and brake, and more save worry laborsaving than traditional rickshaw, are also more conducive to keep Vehicle Driving Cycle stable.Be specially: centrifugal hammer is along with the variation of the speed of a motor vehicle pulls key bit skidding which organizes gear to, which just organizes gear and the docking of key gear movable axis, thereby makes the manpower of the vehicle drive shifting gear group finally to drive the vehicle by key gear movable axis; It should be noted that: when which group gear (an intermeshing driving gear and a driven gear are one group of gear) key gear slides under centrifugal action, which just organizes gear and the docking of key gear bolt cam axle, between other four groups of shifting gear groups of so docked a group and not docking, must occur along the contrary circular movement of anticlockwise direction, and shifting gear group can not lean on the bearing in axle center to realize circular movement, but realize circular movement by the surface bearing between gear cluster or between driving tooth wheels and pressure ring.
Accompanying drawing explanation
The specific embodiment engaging below in accompanying drawing is done further and is described in detail the utility model, but does not form any restriction of the present utility model.
Fig. 1 is the structural representation of the utility model specific embodiment 1;
Fig. 2 is the cutaway view of Fig. 1;
Fig. 3 is centrifugal hammer distribution schematic diagram in the utility model specific embodiment 1;
In figure: Power Available Shaft 1, power take-off shaft 2, interior axle 1a, outer shaft 1b, driving chain 3, driving tooth wheels 4, driven tooth wheels 5, pressure ring 6, surface bearing 7, key gear 8, drawbar frame 9, inner sleeve 10, radially slide bar 11, centrifugal hammer 12, the first returning pull-springs 13, bracing wire 14, the second pull back springs 15, support 16.
The specific embodiment
Below in conjunction with the specific embodiment; claim of the present utility model is done to further restriction; but do not form any restriction of the present utility model, the modification of the limited number of time that anyone makes within the scope of the utility model claim, still in claim protection domain of the present utility model.
A kind of manpower transportation's intelligent speed changing of the present utility model mechanism, consult shown in Fig. 1 to Fig. 3, comprise support 16, Power Available Shaft 1 and power take-off shaft 2 are installed on support 16, described Power Available Shaft 1 and power take-off shaft 2 be arranged in parallel, and described Power Available Shaft 1 is to consist of interior axle 1a and outer shaft 1b, and it is peripheral that outer shaft 1b is partly set in interior axle 1a, between interior axle 1a and outer shaft 1b, be provided with bearing, be convenient to the slip of interior axle 1a.Between interior axle 1a and power take-off shaft 2, be provided with the driving chain 3 of constant speed interlock, make the interior axle interlock of interior axle 1a and power take-off shaft 2, on outer shaft 1b, be provided with successively a plurality of driving tooth wheels 4 from small to large, on power take-off shaft 2, be fixed with a plurality of driven tooth wheels 5 from large to small, driving tooth wheels 4 are corresponding and intermeshing one by one with the large miniature gears between driven tooth wheels 5; In order to reach the object of five grades of switchings, described driving tooth wheels 4 and driven tooth wheels 5 are respectively equipped with five gears that cooperatively interact.A plurality of driving gears of described driving tooth wheels 4 press together by two pressure rings 6 that are arranged on Power Available Shaft 1, between adjacent driving gear and between driving gear and pressure ring 6, are being respectively equipped with surface bearing 7; On outer shaft 1b, be provided with along its key gear 8 in axial sliding, the internal tooth of each driving gear in the external tooth of key gear 8 and driving tooth wheels 4 engagement interlock, the thickness of key gear 8 and the thickness of single driving gear adapt; Described interior axle 1a is provided with leg-of-mutton drawbar frame 9, and drawbar frame 9 is provided with three pull bars and is fixedly connected with key gear 8, and drawbar frame 9 is provided with inner sleeve 10 and interior axle 1a bearing fit, between inner sleeve 10 and drawbar frame 9, is provided with bearing; On interior axle 1a, be provided with three radially slide bars 11, at every, radially on slide bar 11, be respectively equipped with centrifugal hammer 12, each centrifugal hammer 12 is respectively equipped with the first returning pull-spring 13, is provided with bracing wire 14 interlocks between bracing wire centrifugal hammer 12 and inner sleeve 10, at key gear 8 another sides, is provided with the second pull back spring 15.The first returning pull-spring 13 retracts the position near interior axle by centrifugal hammer 12, is driving bracing wire 14, makes it produce the displacement of centrifugal direction.
When vehicle is advanced, driven tooth wheels 5 are transformed into driving tooth wheels 4 by driving chain 3 by running velocity, then axle 1a in driving, the displacement that makes centrifugal hammer 12 produce centrifugal direction, and then pull bracing wire 14, and then affect drawbar frame 9, make key gear 8 produce displacement and slide to high gear direction.When the speed of a motor vehicle slows down, the first returning pull-spring 13 can retract the position near interior axle 1a centrifugal hammer, and now key gear 8 again returns to low gear under the traction of the second pull back spring 15, and 9 passive following in the same way of drawbar frame are moved, and realize speed change.
Above combination most preferred embodiment is described the utility model, but the utility model is not limited to the embodiment of above announcement, and should contain the various modifications of carrying out according to essence of the present utility model, equivalent combinations.
Claims (4)
1. manpower transportation's intelligent speed changing mechanism, comprise support (16), be arranged on Power Available Shaft (1) and power take-off shaft (2) on support (16), described Power Available Shaft (1) and power take-off shaft (2) be arranged in parallel, it is characterized in that, described Power Available Shaft (1) is to consist of interior axle (1a) and outer shaft (1b), outer shaft (1b) part is set in interior axle (1a) periphery, between interior axle (1a) and outer shaft (1b), be provided with bearing, between interior axle (1a) and power take-off shaft (2), be provided with the driving chain (3) of constant speed interlock, on outer shaft (1b), be provided with successively a plurality of driving tooth wheels (4) from small to large, on power take-off shaft (2), be fixed with a plurality of driven tooth wheels (5) from large to small, driving tooth wheels (4) are corresponding and intermeshing one by one with the large miniature gears between driven tooth wheels (5), a plurality of driving gears of described driving tooth wheels (4) press together by two pressure rings (6) that are arranged on Power Available Shaft (1), between adjacent driving gear and between driving gear and pressure ring (6), are being respectively equipped with surface bearing (7), on outer shaft (1b), be provided with along its key gear (8) in axial sliding, the internal tooth of each driving gear in the external tooth of key gear (8) and driving tooth wheels (4) engagement interlock, the thickness of key gear (8) and the thickness of single driving gear adapt, described interior axle (1a) is provided with drawbar frame (9), drawbar frame (9) one side be fixedly connected with key gear (8), drawbar frame (9) is provided with inner sleeve (10) and interior axle (1a) bearing fit, between inner sleeve (10) and drawbar frame (9), is provided with bearing, on interior axle (1a), be provided with radially slide bar (11), on slide bar (11), be arranged with centrifugal hammer (12), centrifugal hammer (12) is provided with the first returning pull-spring (13), between centrifugal hammer (12) and inner sleeve (10), be provided with bracing wire (14) interlock, at key gear (8) another side, be provided with the second pull back spring (15).
2. manpower transportation's intelligent speed changing according to claim 1 mechanism, it is characterized in that, on described interior axle (1a), be evenly distributed with three radially slide bars (11), at every, radially on slide bar (11), be respectively equipped with centrifugal hammer (12), each centrifugal hammer (12) is respectively equipped with bracing wire (14) and inner sleeve (10) interlock.
3. manpower transportation's intelligent speed changing according to claim 1 mechanism, is characterized in that, described driving tooth wheels (4) and driven tooth wheels (5) are respectively equipped with five gears that cooperatively interact.
4. manpower transportation's intelligent speed changing according to claim 1 mechanism, is characterized in that, described drawbar frame (9) is triangle, is provided with three pull bars and is connected with key gear (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320437556.8U CN203450312U (en) | 2013-07-22 | 2013-07-22 | Intelligent speed change mechanism for human-powered vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320437556.8U CN203450312U (en) | 2013-07-22 | 2013-07-22 | Intelligent speed change mechanism for human-powered vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN203450312U true CN203450312U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320437556.8U Expired - Lifetime CN203450312U (en) | 2013-07-22 | 2013-07-22 | Intelligent speed change mechanism for human-powered vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN203450312U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342146B (en) * | 2013-07-22 | 2015-12-09 | 黄东子 | Manpower transportation's intelligent speed changing mechanism |
| CN115681493A (en) * | 2022-12-05 | 2023-02-03 | 浙江东森电器有限公司 | Mechanical speed change structure of electric tool |
-
2013
- 2013-07-22 CN CN201320437556.8U patent/CN203450312U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342146B (en) * | 2013-07-22 | 2015-12-09 | 黄东子 | Manpower transportation's intelligent speed changing mechanism |
| CN115681493A (en) * | 2022-12-05 | 2023-02-03 | 浙江东森电器有限公司 | Mechanical speed change structure of electric tool |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140226 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |