CN201338533Y - Auxiliary gearbox assembly for tricycle or quadricycle - Google Patents
Auxiliary gearbox assembly for tricycle or quadricycle Download PDFInfo
- Publication number
- CN201338533Y CN201338533Y CNU2009201260284U CN200920126028U CN201338533Y CN 201338533 Y CN201338533 Y CN 201338533Y CN U2009201260284 U CNU2009201260284 U CN U2009201260284U CN 200920126028 U CN200920126028 U CN 200920126028U CN 201338533 Y CN201338533 Y CN 201338533Y
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- shaft
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- input shaft
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- 230000005540 biological transmission Effects 0.000 claims description 14
- 229920000136 polysorbate Polymers 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000295 complement Effects 0.000 description 2
- 206010033307 Overweight Diseases 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
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- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000020825 overweight Nutrition 0.000 description 1
Abstract
The utility model discloses an auxiliary gearbox assembly for a tricycle or a quadricycle, which comprises an upper gearbox body, a lower gearbox body, an input shaft, a middle shaft and an output shaft, and is characterized in that after being assembled, the upper gearbox body and the lower gearbox body form bearing-installing holes on the gearbox wall on the left side and the right side; the power input end of the input shaft is inserted into a first needle bearing; the middle shaft is supported under the lower gearbox body by a bearing and is sleeved with a primary driven gear and a second drive gear; the primary driven gear is meshed with the gear of the input shaft, and the second drive gear is meshed with a second driven gear. The utility model can realize the gearshift without being in rigid connection with a rear axle, thus reducing the total mass of the rear axle, reducing the complete vehicle unsprung mass, improving the service life of the complete vehicle, reducing the vibration and improving the comfort for driving and sitting.
Description
Technical field
The utility model belongs to the change-speed box technical field, specifically, relates to a kind of demultiplicator assembly that is used for three-wheel or four-wheeled.
Background technology
For vehicle can run a good foot when the zero load, and enough power is arranged when heavy duty, make vehicle have more fuel economy, the now three-wheel vehicle of public use or four-wheeled, except that the gear of driving engine itself, between driving engine and back axle, increased a dual-ratio reduction device again.Product in the market is to adopt the input end at back axle to increase a demultiplicator, and this mechanism becomes integral body, i.e. a dual-performance rear axle with bolt with the back axle direct connection.
Mainly there is following problem in this structure:
1. cause the total mass of back axle to increase, the car load unsprung weight is overweight, has a strong impact on car load service life, and because this kind structure must make the back axle input end stretch oversizely, radially mass distribution is seriously uneven to cause back axle, make back axle have one all the time, particularly in the vehicle operating process, constantly produce impulsive force to the front lower place rotating moment, just increase vibration greatly, car load is driven and is on duty mutually with the comfort of taking, and the car load riding stability is poor, and reduce service life greatly.
2. adopt above-mentioned directly and the back axle ways of connecting will inevitably increase a junction at demultiplicator, and also need to increase the joint portion that is complementary with it at the corresponding connection location of back axle, and their design size space and connection mode just must be subjected to the restriction of back axle size, it is quite difficult wanting to strengthen mechanism's volume or increasing reduction ratio, just can not fully satisfy user's operating needs.Also increase the difficulty of die sinking and manufacturing simultaneously, increased cost.
3. must connect together with back axle owing to this structure.The commonality of back axle is reduced, and the extendability of back axle is relatively poor, can not at will change back axle, is unfavorable for that series of products organize production in batches.
4. because the function that back axle is concentrated increases, and reliability is relatively poor, maintenance cost increases greatly.
The utility model content
For solving above technical matters, the purpose of this utility model is to provide a kind of demultiplicator assembly that is used for three-wheel or four-wheeled that demultiplicator is connected with back axle by transmission shaft.
The technical solution of the utility model is as follows:
A kind of demultiplicator assembly that is used for three-wheel or four-wheeled, comprise upper box, lower box, input shaft, tween drive shaft and output shaft, by on the speed change tank wall of the left and right sides, forming bearing mounting hole after described upper box and the lower box mould assembling, in this bearing mounting hole bearing is housed, described input shaft and output shaft pass respectively at the bearing of the left and right sides and casing, and the axial line of described input shaft and output shaft is on same straight line; Wherein said input shaft is a gear wheel shaft, this gear wheel shaft is provided with endoporus near output shaft one end axle center, this endoporus is equipped with first needle bearing, the power intake of described output shaft is inserted in first needle bearing, on described output shaft, be set with the secondary driven gear through second needle bearing, on the output shaft between gear on the input shaft and the described secondary driven gear, be set with synchro, on the upper box of this synchro top the shift shaft that is parallel to described output shaft is installed, this shift shaft the inner is equipped with shift fork, this shift fork is inserted on the ring gear of described synchro, and described shift shaft outer end is equipped with rocking arm; Described tween drive shaft in the lower box bottom, is set with one-level driven gear and secondary driving gear by bearings on this tween drive shaft, described one-level driven gear is meshed with gear on the input shaft, and the secondary driving gear is meshed with the secondary driven gear.
Adopt said structure when reaching double reduction, this demultiplicator can directly be connected with the input shaft of back axle by transmission shaft.The specific embodiment is by input shaft and output shaft are designed on same axial line, and be connected again with transmission shaft earlier at the clutch end of this output shaft and be connected with back axle by transmission shaft, that has avoided mentioning in the background technology directly is connected problem, the problem includes: some problems with back axle, need not design independently connecting portion in this structure, and the structure that is complementary in back axle design.Adopt existing back axle just can reach its purpose in the time of can also adapting at need increasing mechanism's volume or increase reduction ratio situation.Alleviated the total mass of back axle simultaneously, the car load unsprung weight descends, and has improved car load service life, has reduced vibration, has improved the comfort that car load is driven and taken.
The clutch end of described output shaft is equipped with and is used for the connecting device that is connected with transmission shaft.
Described connecting device is flange or universal-joint.
Utilize flange or universal-joint and flange connection on the transmission shaft can reach being connected between output shaft and the transmission shaft.
Beneficial effect: the utility model need not directly and the back axle direct connection can be realized the speed change purpose of auxiliary gearbox, alleviated the total mass of back axle, the car load unsprung weight descends, and has improved car load service life, reduce vibration, improved the comfort that car load is driven and taken.And the back axle that can mate different model makes the back axle universalization, can reach the purpose of standardized production.Reduce production costs.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is demultiplicator and the direct coupled structural representation of back axle in the background technology.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
Embodiment, as shown in Figure 1: a kind of demultiplicator assembly that is used for three-wheel vehicle or four-wheeled, comprise upper box 1, lower box 3, input shaft 2, tween drive shaft 5 and output shaft 7, by on the speed change tank wall of the left and right sides, forming bearing mounting hole after described upper box 1 and lower box 3 mould assembling, bearing 14 is housed in this bearing mounting hole, described input shaft 2 and output shaft 7 pass bearing 14 and the casing in the left and right sides respectively, and the axial line of described input shaft 2 and output shaft 7 is on same straight line; Wherein said input shaft 2 is a gear wheel shaft, this gear wheel shaft is provided with endoporus near input shaft 7 one end axle center, first needle bearing 15 is housed in this endoporus, the power intake of described output shaft 7 is inserted in first needle bearing 15, on described output shaft 7, be set with secondary driven gear 11 through second needle bearing 18, on the output shaft 7 between gear on the input shaft 2 and the described secondary driven gear 11, be set with synchro 12, the shift shaft 10 that is parallel to described output shaft 7 is installed on the upper box 1 of these synchro 12 tops, these shift shaft 10 the inners are equipped with shift fork 13, this shift fork 13 is inserted on the ring gear of described synchro 12, and described shift shaft 10 outer ends are equipped with rocking arm 9; Described tween drive shaft 5 is supported on lower box 3 bottoms by bearing 17, be set with one-level driven gear 4 and secondary driving gear 6 on this tween drive shaft 5, described one-level driven gear 4 is meshed with gear on the input shaft 2, and secondary driving gear 6 is meshed with secondary driven gear 11.The clutch end of described output shaft is equipped with and is used for the connecting device that is connected with transmission shaft.Wherein this connecting device can be some other axle and middle attaching parts of axle of being used for such as flange or universal-joint.
The principle of work of this demultiplicator:
As shown in Figure 1: power connects driving engine from input shaft 2 power intakes, and when needing gearshift, the operator spurs rocking arm 9, and this rocking arm 9 promotes shift shaft 10 and drives shift fork 13:
This moment if the ring gear of synchro 12 under the drive of shift fork 13 to move to left with input shaft 2 on the external toothing engagement, make the power of input shaft 2 directly pass to output shaft 7, at this moment, connect power just through 8 outputs of input shaft 2 → synchro gear ring 12 → output shaft 7 → output flange.Output flange 8 can arrive vehicle rear axle with transmission of power by connecing transmission shaft, this moment, demultiplicator was in direct gear (high tap position), vehicle can obtain the higher speed of a motor vehicle, and one-level driven gear 4, secondary driving gear 6, secondary driven gear 11 all are in idling conditions.
This moment if the ring gear of synchro 12 move right under the drive of shift fork 13 with secondary driven gear 11 on the external toothing engagement, make and be in non-direct transmission between output shaft 7 and the input shaft 2, one end of output shaft 7 dallies by forming in the needle bearing in the endoporus of input shaft 2, this moment, the outputting power of input shaft 2 was exported by one-level driven gear 4 → tween drive shaft 5 → secondary driving gear 6 → secondary driven gear 11 → baulk ring gear ring 12 → output shaft 7 → output flange 8, output flange 8 can arrive vehicle rear axle with transmission of power by connecing transmission shaft, this moment, demultiplicator was in low-grade location, and vehicle can obtain bigger moment of torsion.
Claims (4)
1. demultiplicator assembly that is used for three-wheel vehicle or four-wheeled, comprise upper box (1), lower box (3), input shaft (2), tween drive shaft (5) and output shaft (7), it is characterized in that: by on the speed change tank wall of the left and right sides, forming bearing mounting hole after described upper box (1) and lower box (3) mould assembling, bearing (14) is housed in this bearing mounting hole, described input shaft (2) and output shaft (7) pass bearing (14) and the casing in the left and right sides respectively, and the axial line of described input shaft (2) and output shaft (7) is on same straight line; Wherein said input shaft (2) is a gear wheel shaft, this gear wheel shaft is provided with endoporus near output shaft (7) one end axle center, first needle bearing (15) is housed in this endoporus, the power intake of described output shaft (7) is inserted in first needle bearing (15), upward be set with secondary driven gear (11) at described output shaft (7) through second needle bearing (18), be set with synchro (12) being positioned on gear on the input shaft (2) and the output shaft (7) between the described secondary driven gear (11), on the upper box (1) of this synchro (12) top the shift shaft (10) that is parallel to described output shaft (7) is installed, this shift shaft (10) the inner is equipped with shift fork (13), this shift fork (13) is inserted on the ring gear of described synchro (12), and described shift shaft (10) outer end is equipped with rocking arm 9; Described tween drive shaft (5) is supported on lower box (3) bottom by bearing (17), be set with one-level driven gear (4) and secondary driving gear (6) on this tween drive shaft (5), described one-level driven gear (4) is meshed with gear on the input shaft (2), and secondary driving gear (6) is meshed with secondary driven gear (11).
2. the demultiplicator assembly that is used for three-wheel vehicle or four-wheeled according to claim 1 is characterized in that: the clutch end of described output shaft (7) is equipped with and is used for the connecting device that is connected with transmission shaft.
3. the demultiplicator assembly that is used for three-wheel vehicle or four-wheeled according to claim 2 is characterized in that: described connecting device is flange (8).
4. the demultiplicator assembly that is used for three-wheel vehicle or four-wheeled according to claim 2 is characterized in that: institute's connecting device is a universal-joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201260284U CN201338533Y (en) | 2009-01-06 | 2009-01-06 | Auxiliary gearbox assembly for tricycle or quadricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201260284U CN201338533Y (en) | 2009-01-06 | 2009-01-06 | Auxiliary gearbox assembly for tricycle or quadricycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201338533Y true CN201338533Y (en) | 2009-11-04 |
Family
ID=41234072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201260284U Expired - Lifetime CN201338533Y (en) | 2009-01-06 | 2009-01-06 | Auxiliary gearbox assembly for tricycle or quadricycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201338533Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644262A (en) * | 2013-12-05 | 2014-03-19 | 重庆钟华机械有限责任公司 | Multifunctional tricycle gearbox assembly |
| CN103644257A (en) * | 2013-12-05 | 2014-03-19 | 重庆钟华机械有限责任公司 | Tricycle transmission |
| CN103644259A (en) * | 2013-12-05 | 2014-03-19 | 重庆钟华机械有限责任公司 | Small fuel transmission |
| CN103671764A (en) * | 2013-12-05 | 2014-03-26 | 重庆钟华机械有限责任公司 | Tricycle gearbox assembly preventing gear damage |
| CN106949198A (en) * | 2017-03-29 | 2017-07-14 | 山东蒙沃变速器有限公司 | A kind of automatic gear-box for Minitype electric lorry |
-
2009
- 2009-01-06 CN CNU2009201260284U patent/CN201338533Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644262A (en) * | 2013-12-05 | 2014-03-19 | 重庆钟华机械有限责任公司 | Multifunctional tricycle gearbox assembly |
| CN103644257A (en) * | 2013-12-05 | 2014-03-19 | 重庆钟华机械有限责任公司 | Tricycle transmission |
| CN103644259A (en) * | 2013-12-05 | 2014-03-19 | 重庆钟华机械有限责任公司 | Small fuel transmission |
| CN103671764A (en) * | 2013-12-05 | 2014-03-26 | 重庆钟华机械有限责任公司 | Tricycle gearbox assembly preventing gear damage |
| CN106949198A (en) * | 2017-03-29 | 2017-07-14 | 山东蒙沃变速器有限公司 | A kind of automatic gear-box for Minitype electric lorry |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091104 |