CN203892537U - Single-stage speed reducer applied to scooter - Google Patents

Single-stage speed reducer applied to scooter Download PDF

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Publication number
CN203892537U
CN203892537U CN201420340635.1U CN201420340635U CN203892537U CN 203892537 U CN203892537 U CN 203892537U CN 201420340635 U CN201420340635 U CN 201420340635U CN 203892537 U CN203892537 U CN 203892537U
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China
Prior art keywords
gear
power
power input
bearing
scooter
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Active
Application number
CN201420340635.1U
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Chinese (zh)
Inventor
韦葳
张辉
王野
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Ninebot Tianjin Technology Co Ltd
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Ninebot Tianjin Technology Co Ltd
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Priority to CN201420340635.1U priority Critical patent/CN203892537U/en
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Abstract

The utility model discloses a single-stage speed reducer applied to a scooter. The single-stage speed reducer comprises a power input shaft and a power output shaft, wherein the power input shaft is arranged on an input bearing and connected with a motor, and a power input gear is arranged on the power input shaft; the power output shaft is arranged on an output bearing and connected with a wheel of the scooter, the power output shaft is parallel to the power input shaft and is provided with a power output gear, and the power output gear is meshed with the power input gear.

Description

Be applied to the single reduction gear of scooter
Technical field
The utility model belongs to mechanical transmissioning technology field, specifically, relates to a kind of single reduction gear that is applied to scooter.
Background technique
Non power driven vehicle is such as scooter is generally to provide electric power to drive by motor, and the output speed of motor must just can provide enough moments of torsion after retarder slows down, and drives wheel turns.Its concrete implementation is that motor conducts power to retarder by coupling, and the mode that retarder coordinates by gear is slowed down, then power is conducted to wheel, forms Rational Rotation Speed and the bearing capacity of wheel.
Retarder, after occurring, becomes the future development of diversification.According to the classification of transmission progression, there are single-stage driving, Multi-stage transmission; According to the setting type classification of transmission, there are horizontal conductive, the various classifications of right-angle drive.
But, because scooter can be thought a kind of short distance instrument, need not Multi-stage transmission retarder.In addition, existing single-stage driving structure is complexity or transmission accuracy deficiency comparatively, and is not suitable for scooter.
Therefore, urgently provide a kind of single reduction gear that is effectively applied to scooter.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of single reduction gear that is applied to scooter, lacks a kind of single reduction gear that is effectively applied to scooter in order to solve in prior art.
In order to solve the problems of the technologies described above, the utility model provides a kind of single reduction gear that is applied to scooter, and it comprises:
Be arranged on the power input shaft on input bearing, be connected with motor, on described power input shaft, be provided with power input gear;
Be arranged on the pto=power take-off on output bearing, be connected with the wheel of scooter, described pto=power take-off is parallel with described power input shaft, on described pto=power take-off, is provided with power output gear, and described power output gear engages with power input gear.
Preferably, in the application's a embodiment, the cross section of described power input shaft is single flat mouth, flat mouthful of parallel double or regular polygon.
Preferably, in the application's a embodiment, described power input gear is helical gear or spur gear.
Preferably, in the application's a embodiment, on described pto=power take-off, be provided with the flange with screw, flange and splined shaft with threaded hole.
Preferably, in the application's a embodiment, described power output gear is spur gear or helical gear.
Preferably, in the application's a embodiment, also comprise pedestal and position limit pin, for described single reduction gear is positioned to described pedestal.
Preferably, in the application's a embodiment, also comprise several jump rings, for fixing respectively described input bearing and output bearing.
Preferably, in the application's a embodiment, also comprise outside framework oil seal, for preventing from inputting the oil leakage at bearing and output bearing place.
Compared with existing scheme, by being arranged on the power input shaft on input bearing, be connected with motor, on described power input shaft, be provided with power input gear; Be arranged on the pto=power take-off on output bearing, be connected with the wheel of scooter, described pto=power take-off is parallel with described power input shaft, on described pto=power take-off, be provided with power output gear, described power output gear engages with power input gear, thereby a kind of single reduction gear that can be applicable to scooter is provided.
Brief description of the drawings
Fig. 1 is the outer enclosure schematic diagram of the embodiment of the present application single reduction gear of being applied to scooter;
Fig. 2 is that the A-A of Fig. 1 single reduction gear is to sectional view;
Fig. 3 is the side view of Fig. 1 single reduction gear.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the technical solution of the utility model is at length set forth.Should be appreciated that, the embodiment who below enumerates is only for description and interpretation the utility model, and do not form the restriction to technical solutions of the utility model.
In the following embodiment of the utility model, by being arranged on the power input shaft on input bearing, be connected with motor, on described power input shaft, be provided with power input gear; Be arranged on the pto=power take-off on output bearing, be connected with the wheel of scooter, described pto=power take-off is parallel with described power input shaft, on described pto=power take-off, be provided with power output gear, described power output gear engages with power input gear, thereby a kind of single reduction gear that can be applicable to scooter is provided.
the application's core concept:
The single reduction gear that is applied to scooter that the following embodiment of the application provides, its core comprises: be arranged on the power input shaft on input bearing, be connected with motor, on described power input shaft, be provided with power input gear; Be arranged on the pto=power take-off on output bearing, be connected with the wheel of scooter, described pto=power take-off is parallel with described power input shaft, on described pto=power take-off, is provided with power output gear, and described power output gear engages with power input gear.
Fig. 1 is the outer enclosure schematic diagram of the embodiment of the present application single reduction gear of being applied to scooter; As shown in Figure 1, tighten screw 102 at the cover plate 101 of retarder, by fastening screw trip bolt 102, shell 101 is fixed on to pedestal (not illustrating in Fig. 1).On shell 101, be also provided with draining hole 103 and air hole screw 104, draining hole 103 is for draining, and air hole screw 104 makes retarder pressure and air balance during for draining, avoids lubricant oil not release smoothly.
Fig. 2 is that the A-A of Fig. 1 single reduction gear is to sectional view; Fig. 3 is the side view of Fig. 1 single reduction gear.As shown in Figure 2, it comprises: the power input shaft 201 being parallel to each other and pto=power take-off 202.
In the present embodiment, the cross section of described power input shaft 201 is flat mouthful of parallel double.Power input shaft 201 is connected with motor by coupling, and the two ends of power input shaft 201 are respectively arranged with input bearing 211, and input bearing 211 is arranged on supporting base 200, with supporting motive force input shaft 201.On described power input shaft 201, be provided with power input gear (not shown).In the present embodiment, described power input gear is to be helical gear, and it has following several advantage:
1, meshing performance is good.At the straight line that the Line of contact of the helical gear gear teeth is and Gear axis tilts, the gear teeth start engagement and depart from engagement is all gradually, thereby stable drive, noise are little, and this engagement system has also reduced the impact of foozle on transmission simultaneously.
2, contact ratio is large.Can reduce the load of every pair of gear teeth, thus relative raising the bearing capacity of gear, extended the working life of gear, and made stable drive.
3, the minimum teeth number that helical teeth master gear does not produce undercut few compared with spur gear, therefore, adopt Helical gear Transmission can obtain more compact mechanism.
It should be noted that, in an other embodiment, the cross section of described power input shaft can also be single flat mouthful or regular polygon.
In the present embodiment, promising band screw flange is set on pto=power take-off 202.Be connected with the wheel of scooter with screw flange, the two ends of pto=power take-off 202 are respectively arranged with output bearing 212, and output bearing 212 is arranged on supporting base 200, with supporting motive force output shaft 202.On described pto=power take-off 202, be provided with power output gear 222, described power output gear 222 engages with power input gear.In the present embodiment, described power output gear 222 can be spur gear, and convenient processing and manufacture, is applicable to unit transmission.
It should be noted that, in an other embodiment, on described pto=power take-off, can be provided with flange with threaded hole or splined shaft.
It should be noted that, the gear shape of power output gear and power input gear can be selected same type as required.
In the present embodiment, in the time of concrete reducer structure, the axle 202 that outputs power, power output gear 222, screw 232 and output flange 242 are assembled together, and form a complete power take-off mechanism.It is more accurate that output flange can make retarder be connected with wheel, coordinates safer
In the present embodiment, for for can accurately described single reduction gear entirety being positioned to described pedestal 200, the position at pedestal 200 near power input shaft 201, arranges a position limit pin 203.
In the present embodiment, also comprise several jump rings 204, for fixing respectively described input bearing 211 and output bearing 212, prevent axial motion.
In the present embodiment, power input shaft 201 one end are also provided with outside framework oil seal 221 near input bearing 211 places of coupling, prevent from inputting the oil leakage at bearing 211 places, can be according to the structure of retarder, select inner frame oil sealing, outer-frame oil seal or interior exposed framework oil seal.About concrete structure the application of outside framework oil seal does not repeat them here.Based on similar consideration, output bearing 222 places near clutch end on power input shaft 202 are also provided with outside framework oil seal 252.
In the present embodiment, also comprise a sealing gasket 205, for by retarder integral installation when the cover plate 101, play seal action.
Above-mentioned explanation illustrates and has described some preferred embodiments of the present utility model, but as previously mentioned, be to be understood that the utility model is not limited to disclosed form herein, should not regard the eliminating to other embodiments as, and can be used for various other combinations, amendment and environment, and can, in model utility contemplated scope described herein, change by technology or the knowledge of above-mentioned instruction or association area.And the change that those skilled in the art carry out and variation do not depart from spirit and scope of the present utility model, all should be in the protection domain of the utility model claims.

Claims (8)

1. a single reduction gear that is applied to scooter, is characterized in that, comprising:
Be arranged on the power input shaft on input bearing, be connected with motor, on described power input shaft, be provided with power input gear;
Be arranged on the pto=power take-off on output bearing, be connected with the wheel of scooter, described pto=power take-off is parallel with described power input shaft, on described pto=power take-off, is provided with power output gear, and described power output gear engages with power input gear.
2. single reduction gear according to claim 1, is characterized in that, the cross section of described power input shaft is single flat mouth, flat mouthful of parallel double or regular polygon.
3. single reduction gear according to claim 1, is characterized in that, described power input gear is helical gear or spur gear.
4. single reduction gear according to claim 1, is characterized in that, is provided with the flange with screw, flange with threaded hole or splined shaft on described pto=power take-off.
5. single reduction gear according to claim 1, is characterized in that, described power output gear is spur gear or helical gear.
6. single reduction gear according to claim 1, is characterized in that, also comprises pedestal and position limit pin, for described single reduction gear is positioned to described pedestal.
7. single reduction gear according to claim 1, is characterized in that, also comprises several jump rings, for fixing respectively described input bearing and output bearing.
8. single reduction gear according to claim 1, is characterized in that, also comprises outside framework oil seal, for preventing from inputting the oil leakage at bearing and output bearing place.
CN201420340635.1U 2014-06-24 2014-06-24 Single-stage speed reducer applied to scooter Active CN203892537U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420340635.1U CN203892537U (en) 2014-06-24 2014-06-24 Single-stage speed reducer applied to scooter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420340635.1U CN203892537U (en) 2014-06-24 2014-06-24 Single-stage speed reducer applied to scooter

Publications (1)

Publication Number Publication Date
CN203892537U true CN203892537U (en) 2014-10-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420340635.1U Active CN203892537U (en) 2014-06-24 2014-06-24 Single-stage speed reducer applied to scooter

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105134879A (en) * 2015-08-12 2015-12-09 武汉理工大学 Main speed reducer of FSC (Formula Student China) racing car

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105134879A (en) * 2015-08-12 2015-12-09 武汉理工大学 Main speed reducer of FSC (Formula Student China) racing car

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