CN104358790B - The attachment structure of motor and reduction box - Google Patents
The attachment structure of motor and reduction box Download PDFInfo
- Publication number
- CN104358790B CN104358790B CN201410572785.XA CN201410572785A CN104358790B CN 104358790 B CN104358790 B CN 104358790B CN 201410572785 A CN201410572785 A CN 201410572785A CN 104358790 B CN104358790 B CN 104358790B
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- China
- Prior art keywords
- axle portion
- bearing
- motor
- axle
- gear shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses the attachment structure of motor and reduction box.Motor includes housing, drive end bearing bracket and motor output shaft.Reduction box includes outer cover, driving gear shaft and driven gear shaft.Driving gear shaft includes axle portion after axle portion and first before driving tooth wheel portion, first, and driven gear shaft includes axle portion after axle portion and second before driven tooth wheel portion, second.Outer cover is located on drive end bearing bracket.Motor output shaft has cavity, and cavity sidewalls are provided with a pair of pin-and-holes.Axle portion is inserted in the cavity after first, and axle portion rear end end face is provided with the groove that runs through through side wall after first, and a pin is through pin-and-hole and through groove.Axle portion is provided with bearing after the first fore bearing and first after axle portion and first before first, and axle portion is provided with the rear end face of bearing after the shaft shoulder, first against the shaft shoulder after first, and front end face is against the back-up ring being fixed on drive end bearing bracket.Axle portion and driven tooth wheel portion are enclosed on axle center after the second of driven gear shaft.Axially mounted apart from short, simple and compact for structure, transmission efficiency of the invention.
Description
Technical field
The present invention relates to the attachment structure of motor and reduction box, more particularly to it is a kind of suitable for Self-balancing electronic two wheeler
The attachment structure of motor and reduction box.
Background technology
In the prior art, motor and reduction box are two separate parts, generally using shaft coupling that motor is defeated
The moment of torsion gone out passes to the input shaft of reduction box.Due to being provided with shaft coupling, and motor and reduction box all have end cap, cause
The axial distance of whole attachment structure is long during installation, and adds overall weight.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of axially mounted apart from short, simple and compact for structure, transmission
The motor of efficiency high and the attachment structure of reduction box.
The technical solution adopted in the present invention is：The attachment structure of motor and reduction box, including motor and reduction box；Motor
Including housing, it is located at the drive end bearing bracket and motor output shaft of housing forward end；Reduction box include outer cover, driving gear shaft and with
The driven gear shaft that driving gear shaft is meshed；Driving gear shaft includes driving tooth wheel portion and respectively positioned at the driving tooth wheel portion
Axle portion after axle portion and first before the first of front and rear sides, driven gear shaft includes driven tooth wheel portion and is located at the driven gear respectively
Axle portion after axle portion and second before the second of the front and rear sides in portion；It is characterized in, outer cover is located on drive end bearing bracket, and can with drive end bearing bracket
Releasably it is connected with each other, drive end bearing bracket is provided with an axle center protruded laterally；Motor output shaft has the cavity for being opened on front end face,
The side wall of the cavity of the output shaft is provided with a pair of pin-and-holes relative to each other；The rear end insertion of axle portion after the first of driving gear shaft
In cavity, the end face of the axle portion rear end after first offer one through rear axle portion side wall the groove that runs through, a pin passes through this pair
Pin-and-hole and should run through groove, the pin and between groove for gap coordinate；Axle portion and the first rear axle before the first of driving gear shaft
Bearing after the first fore bearing and first is arranged with portion respectively, wherein, axle portion is provided with the rear end of bearing after the shaft shoulder, first after first
Face is against the shaft shoulder, and the front end face of bearing is against the back-up ring being fixed on drive end bearing bracket after first；Second rear axle of driven gear shaft
Portion and driven tooth wheel portion are enclosed on axle center, and axle portion passes through outer cover before second；Axle portion and the second rear axle before the second of driven gear shaft
Bearing after the second fore bearing and second is arranged with portion respectively；First fore bearing and the second fore bearing are arranged on outer cover, and first
Bearing is arranged on drive end bearing bracket after bearing and second afterwards.
The motor front end cover of the present invention is shared by motor and gear-box, so as to greatly reduce the connection of motor and reduction box
The axially mounted size of structure.Motor realized by a pin between motor output shaft and the driving gear shaft of reduction box defeated
Shaft drives the function that driving gear shaft is rotated, structure very simple, and compared with existing shaft coupling, transmission efficiency is lost
Less.
Brief description of the drawings
Fig. 1 is the exploded perspective view of the attachment structure of motor according to an embodiment of the invention and reduction box.
Fig. 2 is the diagrammatic cross-section of the attachment structure of motor according to an embodiment of the invention and reduction box.
Embodiment
The present invention is made below in conjunction with the accompanying drawings and being further illustrated.
It refer to Fig. 1 and Fig. 2.The attachment structure of motor and reduction box according to an embodiment of the invention include motor 1 and
Reduction box 2.The rear end cap 12 that motor 1 includes housing 10, is located at the drive end bearing bracket 11 of the front end of housing 10, is located at the rear end of housing 10
And motor output shaft 13.Drive end bearing bracket 11 is provided with an axle center 14 protruded laterally.Before the front end sleeve of motor output shaft 13 is provided with
End bearing 15, preceding end bearing 15 is arranged on drive end bearing bracket 11；The rear end of motor output shaft 13 is arranged with rear end bearing 16, rear end axle
16 are held to be arranged on rear end cap 12.Motor output shaft 13 has the cavity 130 for being opened on front end face, the cavity 130 of the output shaft
Side wall provided with a pair pin-and-holes 131 relative to each other.
Reduction box 2 includes outer cover 21, driving gear shaft 23 and the driven gear shaft 25 being meshed with driving gear shaft 23.
Outer cover 21 is located on drive end bearing bracket 11, and is detachably interconnected with drive end bearing bracket 11.In the embodiments illustrated in the figures, outer cover
21 and drive end bearing bracket 11 be connected with each other by many bolts.
Before driving gear shaft 23 includes driving tooth wheel portion 230 and is located at the first of the front and rear sides of the driving tooth wheel portion respectively
Axle portion 233 after axle portion 231 and first.The sky of motor output shaft 13 is inserted in the rear end of axle portion 233 after the first of driving gear shaft 223
In chamber 130, the end face of the rear end of axle portion 233 offers one through rear axle portion side wall through groove 236 after first, and a pin 3 is passed through
A pair of pin-and-holes 131 and groove 236 should be run through, pin 3 and coordinated between groove 236 for gap.First front axle of driving gear shaft
It is arranged with bearing 234 after the first fore bearing 232 and first behind portion 231 and first in axle portion 233 respectively, wherein, axle portion after first
233 are provided with the shaft shoulder 235, and the rear end face of bearing 234 is against the shaft shoulder 235 after first, and the front end face of bearing 234 is against solid after first
Due to the back-up ring 115 on drive end bearing bracket 11.A ring-shaped step 134, the sky are additionally provided with the side wall of the cavity 130 of motor output shaft
Intracavitary be provided with an elastic washer 4, elastic washer 4 be located at the ring-shaped step 134 and first after axle portion 233 rear end end face it
Between.The front end face of first fore bearing 232 is resisted against on the inwall of outer cover 21.
Driven gear shaft 25 includes driven tooth wheel portion 250 and is located at the of the front and rear sides of the driven tooth wheel portion 250 respectively
Axle portion 253 after axle portion 251 and second before two.Driven gear shaft 25 has a central through hole 255 axially extended, driven gear
Axle portion 253 and driven tooth wheel portion 250 are enclosed on axle center 14 after the second of axle 25, and axle portion 251 passes through outer cover 21 before second.Driven tooth
It is arranged with bearing 254 after the second fore bearing 252 and second before the second of wheel shaft after axle portion 251 and second in axle portion 253 respectively.
First fore bearing 232 and the second fore bearing 252 are arranged on outer cover 21, bearing after bearing 234 and second after first
254 are arranged on drive end bearing bracket 11.Preferably, after the first fore bearing 232, the second fore bearing 252, first after bearing 234 and second
Bearing 254 is rolling bearing.
The description of the present embodiment combines specific embodiment, but it should be understood by one skilled in the art that this hair
It is bright to be not limited to embodiment described here, it is possible to carry out spirit and model of the various modifications and variations without departing from the present invention
Enclose.
Claims (5)
1. the attachment structure of motor and reduction box, including motor and reduction box；The motor includes housing, is located at the housing
The drive end bearing bracket and motor output shaft of front end；Described reduction box include outer cover, driving gear shaft and with the driving gear
The driven gear shaft that axle is meshed；Described driving gear shaft includes driving tooth wheel portion and is located at respectively before the driving tooth wheel portion
Axle portion after axle portion and first before the first of both sides afterwards, described driven gear shaft includes driven tooth wheel portion and driven positioned at this respectively
Axle portion after axle portion and second before the second of the front and rear sides of gear part；
Characterized in that, described outer cover is located on described drive end bearing bracket, and removably mutually interconnected with described drive end bearing bracket
Connect, the drive end bearing bracket is provided with an axle center protruded laterally；
Described motor output shaft has the cavity for being opened on front end face, and the side wall of the cavity of the output shaft is provided with a pair each other
Relative pin-and-hole；After the first of the driving gear shaft in the described cavity of the rear end insertion of axle portion, the axle portion rear end after first
End face offer one through rear axle portion side wall run through groove, a pin through a pair of pin-and-holes and should run through groove, the pin with
Coordinate between groove for gap；It is arranged with the first fore bearing before the first of driving gear shaft after axle portion and first in axle portion respectively
With first after bearing, wherein, axle portion is provided with the shaft shoulder after first, and the rear end face of bearing is against the shaft shoulder after first, bearing after first
Front end face against the back-up ring being fixed on drive end bearing bracket；
Axle portion and driven tooth wheel portion are enclosed on described axle center after the second of the driven gear shaft, and axle portion is described in before second
Outer cover；It is arranged with bearing after the second fore bearing and second before the second of driven gear shaft after axle portion and second in axle portion respectively；
The first described fore bearing and the second fore bearing are arranged on described outer cover, bearing and the second rear axle after described first
Hold on described drive end bearing bracket.
2. the attachment structure of motor as claimed in claim 1 and reduction box, it is characterised in that the side of the cavity of motor output shaft
Wall, which is provided with a ring-shaped step, the cavity, is provided with an elastic washer, and the elastic washer is located at the ring-shaped step and the first rear axle
Between the end face of the rear end in portion.
3. the attachment structure of motor as claimed in claim 2 and reduction box, it is characterised in that the front end of first fore bearing
Face is resisted against on the inwall of the outer cover.
4. the attachment structure of motor as claimed in claim 1 and reduction box, it is characterised in that described outer cover and drive end bearing bracket are logical
Excessive root bolt is connected with each other.
5. the attachment structure of motor as claimed in claim 1 and reduction box, it is characterised in that described the first fore bearing,
Bearing is rolling bearing after bearing and second after two fore bearings, first.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410572785.XA CN104358790B (en) | 2014-10-23 | 2014-10-23 | The attachment structure of motor and reduction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410572785.XA CN104358790B (en) | 2014-10-23 | 2014-10-23 | The attachment structure of motor and reduction box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104358790A CN104358790A (en) | 2015-02-18 |
| CN104358790B true CN104358790B (en) | 2017-08-04 |
Family
ID=52526084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410572785.XA Expired - Fee Related CN104358790B (en) | 2014-10-23 | 2014-10-23 | The attachment structure of motor and reduction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104358790B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840791B (en) * | 2016-04-26 | 2018-06-22 | 捷和电机制品(深圳)有限公司 | Gear motor deceleration mechanism cleans brush and cleaning vehicle |
| JP2018074790A (en) * | 2016-10-31 | 2018-05-10 | Ntn株式会社 | Electric actuator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201414043Y (en) * | 2009-06-11 | 2010-02-24 | 林海青 | Heavy type full gear high speed central differential motor |
| CN202475142U (en) * | 2012-03-15 | 2012-10-03 | 金湖县华能机电有限公司 | Motor and reduction gearbox connecting mechanism of waterwheel aerator |
| JP5725665B2 (en) * | 2012-04-23 | 2015-05-27 | 株式会社ツバキＥ＆Ｍ | Connection structure of motor and reduction gear |
| DE102012008652A1 (en) * | 2012-05-03 | 2013-11-07 | Sew-Eurodrive Gmbh & Co Kg | Gear motor, has rotor shaft supported in motor housing by fixed motor bearing, and driving shaft put into receiving bore of rotor shaft such that driving shaft is actuated and positively connected with rotor shaft in torque-proof manner |
| JP2014117039A (en) * | 2012-12-07 | 2014-06-26 | Nidec Copal Corp | Geared motor |
| CN203297526U (en) * | 2013-06-02 | 2013-11-20 | 贵州群建精密机械有限公司 | Device connected with two ends of floor grinding machine reducer |
| CN204200871U (en) * | 2014-10-23 | 2015-03-11 | 上海新世纪机器人有限公司 | The linkage structure of motor and speed reducer |
-
2014
- 2014-10-23 CN CN201410572785.XA patent/CN104358790B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104358790A (en) | 2015-02-18 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: Jinshan District Fengjing town Shanghai City 38 201501 Cao Lilu Lane 25, room 1138 Patentee after: Shanghai New Century Robot Co., Ltd. Address before: 201318 Shanghai city Pudong New Area Zhou Pu Zhen Shen Mei Road 99 Lane 3 No. 1-9 Building 2 floor B block Patentee before: Shanghai New Century Robot Co., Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170804 Termination date: 20191023 |
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| CF01 | Termination of patent right due to non-payment of annual fee |