CN201475267U - Miniature electric car gearbox - Google Patents
Miniature electric car gearbox Download PDFInfo
- Publication number
- CN201475267U CN201475267U CN2009201901300U CN200920190130U CN201475267U CN 201475267 U CN201475267 U CN 201475267U CN 2009201901300 U CN2009201901300 U CN 2009201901300U CN 200920190130 U CN200920190130 U CN 200920190130U CN 201475267 U CN201475267 U CN 201475267U
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- clutch
- gear
- way element
- tooth
- gearwheel
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Abstract
The utility model discloses a miniature electric car gearbox, which comprises a box (5), an input shaft (1) and an output shaft (11), wherein the input shaft (1) and the output shaft (11) are arranged on the box (1), the input shaft (1) is provided with a pinion (3) and a driving gear (12), the output shaft (11) is provided with a main gear (4) and a driven gear (8), the box (5) is provided with an intermediate shaft (19), the intermediate shaft (19) is provided with an intermediate gear (9), the pinion (3) is meshed with the main gear (4), the intermediate gear (9) is meshed with the driving gear (12) and the driven gear (8), and a clutch mechanism matching with the main gear (4) and the driven gear (8) is arranged between the main gear (4) and the driven gear (8). After utilizing the structure, the miniature electric car gearbox resolves problems of motor heating locked-rotor and poor climbing ability, and has the advantages of simple and reasonable structure, stable motor operation, fine climbing ability, long running distance and the like.
Description
Technical field
The utility model relates to a kind of speed change gear, the speed change gear that uses on particularly a kind of electronic minicar.
Background technique
Reinforcement along with environmental protection consciousness, country is more and more stricter to the emission request of motor vehicle, cost of production is more and more higher, and electronic minicar is because environmental protection and energy saving, price are low, the liking of operating cost province extremely vast wage-earners, and electronic minicar was rapidly developed in recent years; Present electronic minicar is generally regulated motor speed by control controller output current size when control rate, motor drives wheel hub by speed changer and realizes regulating control electric motor car speed, this mode configuration is simple, control is convenient, but in actual use, its requirement is different to electronic minicar to different road conditions; When cruising, require that motor speed is fast, gearbox output torque is little; When startup, climbing or heavy load, require that motor speed is slow, gearbox output torque is big; The deficiency of its existence is: the one, because speed changer can't change output torque under the constant condition of power of motor, therefore, when startup, climbing and heavy load motor being under the abnormal condition turns round, force motor in the work of poor efficiency district, make motor rotation blockage, heating, even stop operating, cause suddenly big electric current of storage battery and deep discharge, cause vitals such as motor, storage battery, controller to be subjected to impacting, shortening the life-span; The 2nd, grade ability is poor, accommodation is little, mileages of continuation is short.For this reason, many manufacturers and knowledgeable people have carried out the R and D of fruitful ground, but do not have rational product to emerge so far as yet.
Summary of the invention
In order to overcome the above-mentioned disadvantage that existing electronic minicar speed change exists, the purpose of this utility model provides a kind of simple and reasonable, the electronic minicar gearbox that can export different moments of torsion according to different road conditions.
The technological scheme that its technical problem that solves the utility model adopts, it comprises casing, is arranged on input shaft and output shaft on the casing, described input shaft is provided with small gear and driving gear, output shaft is provided with gearwheel and driven gear, casing is provided with jack shaft, jack shaft is provided with intermediate gear, small gear and gearwheel engagement, intermediate gear meshes with driving gear and driven gear respectively, is provided with the clutch mechanism with gearwheel and driven gear coupling on the output shaft between gearwheel and the driven gear.
First kind of clutch mechanism kind of drive of the present utility model, described clutch mechanism comprises sliding clutch and reverse clutch, sliding clutch cooperates with output shaft by one-way element, reverse clutch cooperates with output shaft by spline tooth, sliding clutch is provided with the clutch tooth, gearwheel is provided with the clutch tooth that matches with the clutch tooth, and reverse clutch is provided with reversing clutch tooth, and driven gear is provided with the reversing clutch tooth that matches with the clutch tooth of moveing backward.Described driven gear is provided with one-way element, and the one-way element on the driven gear is identical with one-way element direction on the sliding clutch; Described small gear is provided with one-way element, and the one-way element on the small gear is opposite with one-way element direction on the sliding clutch.
Second kind of clutch mechanism kind of drive of the present utility model, described clutch mechanism comprises sliding clutch and reverse clutch, sliding clutch cooperates with output shaft by one-way element, reverse clutch cooperates with output shaft by spline tooth, sliding clutch is provided with the clutch tooth, driven gear is provided with the clutch tooth that matches with the clutch tooth, and reverse clutch is provided with reversing clutch tooth, and gearwheel is provided with the reversing clutch tooth that matches with the clutch tooth of moveing backward.Described gearwheel is provided with one-way element, and the one-way element on the gearwheel is identical with one-way element direction on the sliding clutch; Described driving gear is provided with one-way element, and the one-way element on the driving gear is opposite with one-way element direction on the sliding clutch.
Described casing is provided with operating handle, and the end of operating handle is arranged on the middle allocating slot of sliding clutch.
Described one-way element is unidirectional needle-type one-way element.
After adopting said structure, the utility model is during with first kind or second kind of clutch mechanism kind of drive control motor positive and inverse, two kinds of speed can both setting according to different speed ratio automatic speed changings output and moment of torsion, thus realize that electronic minicar can both stable operation in different road conditions; The manipulation bar make reverse clutch in conjunction with the time, the output shaft counterrotating, can realize the reversing.So just can export different speed and moment of torsion according to actual needs, the requirement that adapts to different road conditions and advance or move backward makes storage battery big electric current and deep discharge can not occur, effectively improves grade ability and mileages of continuation.
Description of drawings
Fig. 1 is the structural representation of first kind of scheme of the utility model.
Fig. 2 is the structural representation of the utility model clutch mechanism.
Secondary gear transmission schematic representation when Fig. 3 is first kind of scheme.
Fig. 4 is the tertiary gear transmission schematic representation of first kind of scheme.
Fig. 5 is the structural representation of second kind of scheme of the utility model.
Fig. 6 is the secondary gear transmission schematic representation of second kind of scheme.
Fig. 7 is the tertiary gear transmission schematic representation of second kind of scheme.
Embodiment
1, Fig. 2 and Fig. 3, shown in Figure 4, embodiment for first kind of clutch structure kind of drive of the electronic minicar gearbox of the utility model, it comprises casing 5, be arranged on the input shaft 1 on the casing 5 and be arranged on output shaft 11 on the casing 5 by bearing 2 by bearing 10, described input shaft 1 is provided with small gear 3 and driving gear 12, driving gear 12 is fixedlyed connected with input shaft 1, output shaft 11 is provided with gearwheel 4 and driven gear 8, gearwheel 4 is actively set on the output shaft 11, be provided with jack shaft 19 by intermediate bearing 20 on the casing 5, jack shaft 19 is provided with intermediate gear 9, small gear 3 and gearwheel 4 engagements, intermediate gear 9 meshes with driving gear 12 and driven gear 8 respectively, is provided with the clutch mechanism with gearwheel 4 and driven gear 8 couplings on the output shaft 11 between gearwheel 4 and the driven gear 8.Described clutch mechanism comprises sliding clutch 6 and reverse clutch 21, sliding clutch 6 cooperates with output shaft 11 by one-way element 13, reverse clutch 21 cooperates with output shaft 11 by spline tooth, sliding clutch 6 is provided with clutch tooth 15, gearwheel 4 is provided with the clutch tooth 17 that matches with clutch tooth 15, reverse clutch 21 is provided with reversing clutch tooth 151, and driven gear 8 is provided with the reversing clutch tooth 171 that matches with the clutch tooth 151 of moveing backward.Described driven gear 8 is provided with one-way element 23, and the one-way element 23 on the driven gear 8 is identical with one-way element 13 directions on the sliding clutch 6; Described small gear 3 is provided with one-way element 22, and the one-way element 22 on the small gear 3 is opposite with one-way element 13 directions on the sliding clutch 6.Described casing 5 is provided with operating handle 7, and the end of operating handle 7 is arranged on the allocating slot 14 of sliding clutch 6 centres.Described one- way element 13,16,18,22,23 is unidirectional needle-type one-way element.
When first kind of clutch structure kind of drive normally moved, first kind of speed that output shaft 11 output is set and moment of torsion; Its work is as follows, the clutch tooth 15 of sliding clutch 6 is combined with clutch tooth 17 on the gearwheel 4, the motor forward rotation, input shaft 1 drives driving gear 12, driving gear 12 drives driven gear 8 by intermediate gear 9 and rotates, driven gear 8 drives output shafts 11 by one-way element 23 and is rotated in the forward, and this moment small gear 3 since one-way element 22 oppositely idle running do not rotate with input shaft 1, thereby first kind of speed that output is set and moment of torsion.When needs are moveed backward, manipulation bar 7 makes sliding clutch 6 promote reverse clutch 21, clutch tooth 15 separates with clutch tooth 17 on the gearwheel 4, reversing clutch tooth 151 combines with reversing clutch tooth 171, the motor backward rotation, input shaft 1 drives driving gear 12 and small gear 3 simultaneously, driving gear 12 drives driven gear 8 by intermediate gear 9 and rotates, driven gear 8 drives reverse clutch 21 by reversing clutch tooth 171 with combining of reversing clutch tooth 151, reverse clutch 21 drives output shaft 11 counterrotatings by spline tooth, thereby realizes the purpose of reversing; This moment, one-way element 23 oppositely dallied, and gearwheel 4 is in idling conditions under the drive of small gear 3.
Output is set during the counterrotating of first kind of clutch structure kind of drive control motor second kind of speed and moment of torsion; Its work is as follows, clutch tooth 15 on the sliding clutch 6 is combined with clutch tooth 17 on the gearwheel 4, when motor reverses, input shaft 1 not only drives driving gear 12 but also drive small gear 3 by one-way element 22, small gear 3 drives gearwheel 4 and rotates, 4 of gearwheels combine with clutch tooth 15 by clutch tooth 17 and drive sliding clutch 6, and 6 of sliding clutches drive output shafts 11 by one-way element 13 and are rotated in the forward, thus second kind of speed that output is set and moment of torsion; This moment, driving gear 12 drove driven gear 8 by intermediate gear 9, because one-way element 23 reverse driven gears 8 produce idle running.
Fig. 5, Fig. 6 and shown in Figure 7, embodiment for second kind of clutch structure kind of drive of the electronic minicar gearbox of the utility model, be with first kind of scheme difference: clutch mechanism is oppositely installed, there is not the corresponding one-way element 22 of installing on small gear 3 and the driven gear 8,23, but correspondence is provided with one-way element 16 on gearwheel 4 and driving gear 12,18, driven gear 8 is actively set on the output shaft 11, small gear 3 is fixed on the input shaft 1, one-way element 16 on the gearwheel 4 is identical with one-way element 13 directions on the sliding clutch 6, and the one-way element 18 on the driving gear 12 is opposite with one-way element 13 directions on the sliding clutch 6.
When second kind of clutch structure kind of drive normally moved, first kind of speed that output shaft 11 output is set and moment of torsion; Its work is as follows, clutch tooth 15 on the sliding clutch 6 is combined with clutch tooth 17 on the driving gear 8, the motor forward rotation, input shaft 1 drives driving gear 12 by one-way element 18, directly drive small gear 3 rotations simultaneously, driving gear 12 drives driven gear 8 by intermediate gear 9 and rotates, driven gear 8 combines with clutch tooth 17 by clutch tooth 15 and drives sliding clutch 6, first kind of speed and moment of torsion that sliding clutch 6 drives by one-way element 13 that output shafts 11 rotate that output sets again, and gearwheel 4 under small gear 3 drives because one-way element 16 oppositely produces idle running.When needs are moveed backward, manipulation bar 7 makes sliding clutch 6 promote reverse clutch 21, clutch tooth 15 separates with clutch tooth 17 on the driven gear 8, reversing clutch tooth 151 combines with reversing clutch tooth 171, the motor forward rotation, input shaft 1 drives gearwheel 4 by small gear 3, and gearwheel 4 combines with reversing clutch tooth 171 by reversing clutch tooth 151 and drives reverse clutch 21, reverse clutch 21 drives output shaft 11 by spline tooth and rotates, thereby realizes the purpose of reversing; Input shaft 1 drives driving gear 12 by one-way element 18 simultaneously, and driving gear 12 drives driven gear 8 idle running by intermediate gear 9.
Output is set during the counterrotating of second kind of clutch structure kind of drive control motor second kind of speed and moment of torsion; Its work is as follows, clutch tooth 15 on the sliding clutch 6 is in bonding state with the clutch tooth 17 on the driven gear 8, reversing clutch tooth 151 is in separated state with reversing clutch tooth 171, when motor reversed, because one-way element 18 oppositely dallies, driving gear 12 was not worked, 1 drive small gear of input shaft 3 rotates, small gear 3 drives gearwheel 4 again, and 4 of gearwheels drive output shafts 11 by one-way element 16 and are rotated in the forward, thus second kind of speed that output is set and moment of torsion.
Claims (7)
1. electronic minicar gearbox, comprise casing (5), be arranged on input shaft (1) and output shaft (11) on the casing (5), it is characterized in that: described input shaft (1) is provided with small gear (3) and driving gear (12), output shaft (11) is provided with gearwheel (4) and driven gear (8), casing (5) is provided with jack shaft (19), jack shaft (19) is provided with intermediate gear (9), small gear (3) and gearwheel (4) engagement, intermediate gear (9) meshes with driving gear (12) and driven gear (8) respectively, is provided with the clutch mechanism with gearwheel (4) and driven gear (8) coupling on the output shaft (11) between gearwheel (4) and the driven gear (8).
2. electronic minicar gearbox according to claim 1, it is characterized in that: described clutch mechanism comprises sliding clutch (6) and reverse clutch (21), sliding clutch (6) cooperates with output shaft (11) by one-way element (13), reverse clutch (21) cooperates with output shaft (11) by spline tooth, sliding clutch (6) is provided with clutch tooth (15), gearwheel (4) is provided with the clutch tooth (17) that matches with clutch tooth (15), reverse clutch (21) is provided with reversing clutch tooth (151), and driven gear (8) is provided with the reversing clutch tooth (171) that matches with the clutch tooth (151) of moveing backward.
3. electronic minicar gearbox according to claim 2 is characterized in that: described driven gear (8) is provided with one-way element (23), and the one-way element (23) on the driven gear (8) is identical with one-way element (13) direction on the sliding clutch (6); Described small gear (3) is provided with one-way element (22), and the one-way element (22) on the small gear (3) is opposite with one-way element (13) direction on the sliding clutch (6).
4. electronic minicar gearbox according to claim 1, it is characterized in that: described clutch mechanism comprises sliding clutch (6) and reverse clutch (21), sliding clutch (6) cooperates with output shaft (11) by one-way element (13), reverse clutch (21) cooperates with output shaft (11) by spline tooth, sliding clutch (6) is provided with clutch tooth (15), driven gear (8) is provided with the clutch tooth (17) that matches with clutch tooth (15), reverse clutch (21) is provided with reversing clutch tooth (151), and gearwheel (4) is provided with the reversing clutch tooth (171) that matches with the clutch tooth (151) of moveing backward.
5. electronic minicar gearbox according to claim 4 is characterized in that: described gearwheel (4) is provided with one-way element (16), and the one-way element (16) on the gearwheel (4) is identical with one-way element (13) direction on the sliding clutch (6); Described driving gear (12) is provided with one-way element (18), and the one-way element (18) on the driving gear (12) is opposite with one-way element (13) direction on the sliding clutch (6).
6. according to claim 3 or 5 described electronic minicar gearboxes, it is characterized in that: described casing (5) is provided with operating handle (7), and the end of operating handle (7) is arranged on the middle allocating slot (14) of sliding clutch (6).
7. electronic minicar gearbox according to claim 6 is characterized in that: described one-way element (13,16,18,22,23) is unidirectional needle-type one-way element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201901300U CN201475267U (en) | 2009-07-22 | 2009-07-22 | Miniature electric car gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201901300U CN201475267U (en) | 2009-07-22 | 2009-07-22 | Miniature electric car gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201475267U true CN201475267U (en) | 2010-05-19 |
Family
ID=42411514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201901300U Expired - Fee Related CN201475267U (en) | 2009-07-22 | 2009-07-22 | Miniature electric car gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201475267U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350958A (en) * | 2011-06-30 | 2012-02-15 | 奇瑞汽车股份有限公司 | Motor locked-rotor protecting method of electric car electric driving system |
| CN103527765A (en) * | 2013-10-31 | 2014-01-22 | 济南宏昌车辆有限公司 | Speed gear shifter of micro electric vehicle |
| CN103978118A (en) * | 2014-05-06 | 2014-08-13 | 哈尔滨建成集团有限公司 | Rail type horizontal moving inductance heating uniform-temperature rotating machine |
-
2009
- 2009-07-22 CN CN2009201901300U patent/CN201475267U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350958A (en) * | 2011-06-30 | 2012-02-15 | 奇瑞汽车股份有限公司 | Motor locked-rotor protecting method of electric car electric driving system |
| CN102350958B (en) * | 2011-06-30 | 2013-04-10 | 奇瑞汽车股份有限公司 | Motor locked-rotor protecting method of electric car electric driving system |
| CN103527765A (en) * | 2013-10-31 | 2014-01-22 | 济南宏昌车辆有限公司 | Speed gear shifter of micro electric vehicle |
| CN103978118A (en) * | 2014-05-06 | 2014-08-13 | 哈尔滨建成集团有限公司 | Rail type horizontal moving inductance heating uniform-temperature rotating machine |
| CN103978118B (en) * | 2014-05-06 | 2016-05-11 | 哈尔滨建成集团有限公司 | Rail mounted moves horizontally inductive heating samming rotating machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20150722 |
|
| EXPY | Termination of patent right or utility model |