CN103968004B - Speed reducer assembly of automobile electric pedal - Google Patents
Speed reducer assembly of automobile electric pedal Download PDFInfo
- Publication number
- CN103968004B CN103968004B CN201410217400.8A CN201410217400A CN103968004B CN 103968004 B CN103968004 B CN 103968004B CN 201410217400 A CN201410217400 A CN 201410217400A CN 103968004 B CN103968004 B CN 103968004B
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- China
- Prior art keywords
- gear
- speed reducer
- output gear
- wheel
- motor
- Prior art date
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
- B60R3/02—Retractable steps or ladders, e.g. movable under shock
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
Abstract
The invention discloses a speed reducer assembly of an automobile electric pedal, and belongs to the field of transmission devices. The speed reducer assembly comprises a motor, a speed reducer shell, a motor output gear, an output gear shaft, a mounting cover plate, an intermediate wheel and an intermediate wheel shaft. An output gear and a connecting key are arranged on the output gear shaft, and the intermediate wheel shaft is sleeved with the intermediate wheel. The intermediate wheel comprises a large gear and a small gear, the large gear is meshed with the motor output gear, and the small gear is meshed with the output gear. The tooth number of the large gear is larger than that of the motor output gear, the tooth number of the large gear is larger than that of the small gear, and the tooth number of the output gear is larger than that of the small gear. Through two-stage speed reduction, mechanical drive with the large reduction ratio and high transmission efficiency is achieved in small space. The speed reducer assembly of the automobile electric pedal is simple in structure, compact in size, convenient to machine, low in cost and convenient to maintain and use.
Description
Technical field
The present invention relates to a kind of actuating device, and in particular to a kind of motorcar electric pedal speed reducer assembly.
Background technology
In recent years, automobile has become the essential tool of people's go off daily, and electric treadle is adapted as into one kind can be with
The motorcar electric pedal of automatic telescopic, increasingly by people concern and like.Compared with fixed pedestal, motor-driven extensible pedal
Car load coordination more attractive in appearance not only can be made；And automobile can be improve in narrow space by property；Can also be user simultaneously
Get on or off the bus and convenient service is provided, for high chassis automobile, telescopic pedal just seems more important, especially to female
Property, old man or child get on or off the bus, therefore become more and more popular for automobile repacking motor-driven extensible pedal.
As motor-driven extensible pedal is motor high-speed driving, and bottom of car both sides are arranged on, by car body space itself
Limit and by the requirement of property, this requires that decelerator has a small volume, and speed reducing ratio is big, the features such as transmission efficiency is high.
The content of the invention
The technical problem to be solved is to provide a kind of simple structure, the motorcar electric pedal of compact dimensions slows down
Device assembly, can realize the features such as speed reducing ratio is big, and transmission efficiency is high in compared with little space.
The present invention solves the motorcar electric pedal speed reducer assembly adopted by its technical problem, including outside motor, decelerator
Shell, motor output gear, output gear shaft and cover plate is installed, the motor output gear and motor connection, also including third wheel and
Cross wheel shaft；The motor output gear is arranged inside the speed reducer housing with third wheel；The installation cover plate is subtracted with described
Fast device cage connection, the speed reducer housing are arranged between installation cover plate and motor, and the installation cover plate and the deceleration
Cavity is formed between device shell, installing hole on the installation cover plate, is provided with, the output gear shaft is pacified by the installing hole
It is mounted on installation cover plate；Output gear and connecting key are provided with the output gear shaft, the output gear is arranged on described
In cavity, the connecting key is arranged on the outside for installing cover plate；Axis hole, the third wheel are offered on the speed reducer housing
One end of axle is arranged in the axis hole of the speed reducer housing, and the third wheel was enclosed within wheel shaft；The third wheel includes gear wheel
And little gear, the gear wheel engaged with the motor output gear, and the little gear is engaged with output gear；The gear wheel
Gear ratio motor output gear the number of teeth it is many, the gear wheel gear ratio little gear number of teeth is more, and the output gear
Gear ratio little gear the number of teeth it is many.
Further, also including dust cover, the dust cover is connected with speed reducer housing, and dust cover is arranged on
Between speed reducer housing and motor, axis hole on the dust cover, is offered, the other end for crossing wheel shaft is arranged on dust cap
In axis hole on plate.
Further, positioning step is provided with the speed reducer housing, on the dust cover, is provided with locating convex block,
The positioning step is coordinated with locating convex block.
Further, arrange fluted in the end sides of the gear wheel or little gear, arrange in the groove
There is wave washer.
Further, the connecting key is spline.
Further, the connecting key is involute spline.
Further, axle sleeve is provided with the installing hole.
Further, the axle sleeve is made up of self-lubricating material.
Further, the self-lubricating material is nylon or politef.
Further, boss is provided with the end sides of the connecting key.
The invention has the beneficial effects as follows：
1st, motorcar electric pedal speed reducer assembly of the invention, connects motor output gear and output gear by third wheel
Axle, third wheel include gear wheel and little gear, and gear wheel is engaged with motor output gear, and little gear is engaged with output gear；Canine tooth
The number of teeth of the gear ratio motor output gear of wheel is more, the gear wheel gear ratio little gear number of teeth is more, and output gear the number of teeth
More than the number of teeth of little gear, so, through double reduction, so as to realize that in compared with little space speed reducing ratio is big, transmission efficiency is high
Machine driving；The present invention motorcar electric pedal speed reducer assembly, simple structure, compact dimensions, it is easy to process, with low cost,
Working service is facilitated.
2nd, cross wheel shaft and realize double fulcrum stress, deform excessive after third wheel stand under load can be avoided and affect gear engagement, occur
Interfere.
3rd, an axial pre tightening force can be produced on third wheel by arranging wave washer, improves gear wheel and export with motor
Engaging between gear 3, between little gear and input tooth is steady.
4th, using axle sleeve made by self-lubricating material, the abrasion of output gear shaft can be reduced.
Description of the drawings
Fig. 1 is the axonometric schematic diagram of the present invention；
Fig. 2 is the internal structure schematic diagram of the present invention；
Shown in Fig. 1 and Fig. 2：1- motors, 2- speed reducer housings, 3- motor output gears, 4- third wheels, 5- output gears
Axle, 6- cross wheel shaft, 7- install cover plate, 8- dust covers, 9- wave washers, 10- axle sleeves, 51- output gears, 52- connecting keys,
521- boss, 41- gear wheels, 42- little gears, 11- cavitys.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, motorcar electric pedal speed reducer assembly of the invention, including motor 1, speed reducer housing 2, electricity
Machine output gear 3, output gear shaft 5 and installation cover plate 7, the motor output gear 3 are connected with motor 1, it is characterised in that：Also
Including third wheel 4 and wheel shaft 6 excessively；The motor output gear 3 is arranged inside the speed reducer housing 2 with third wheel 4；The peace
Capping plate 7 is connected with the speed reducer housing 2, and the speed reducer housing 2 is arranged between installation cover plate 7 and motor 1, and described
Install, on the installation cover plate 7, be provided with installing hole, the output
Gear shaft 5 is arranged on by the installing hole and is installed on cover plate 7；Output gear 51 is provided with the output gear shaft 5 and is connected
Key 52 is connect, the output gear 51 is arranged in the cavity 11, the connecting key 52 is arranged on the outer of the installation cover plate 7
Side；Axis hole is offered on the speed reducer housing 2, described one end for crossing wheel shaft 6 is arranged on the axis hole of the speed reducer housing 2
Interior, the third wheel 4 was enclosed within wheel shaft 6；The third wheel 4 includes gear wheel 41 and little gear 42, the gear wheel 41 with it is described
Motor output gear 3 is engaged, and the little gear 42 is engaged with output gear 51；The gear ratio motor output gear of the gear wheel 41
Wheel 3 the number of teeth it is many, the gear wheel 41 gear ratio little gear 42 number of teeth is more, and the output gear 51 the little tooth of gear ratio
The number of teeth of wheel 42 is more.The outside of installation cover plate 7 refers to that side away from cavity 11, and the inner side for installing cover plate 7 refers to and deceleration
Device shell 2 forms that side of cavity 11.Motor output gear 3 and third wheel 4 are arranged on inside the speed reducer housing 2, are subtracted
Fast device shell 2 can protect motor output gear 3 and third wheel 4, play dust-proof effect, delay the abrasion of gear, meanwhile, it is described
Speed reducer housing 2 is used as the support member for crossing wheel shaft 6.Cavity 11 is formed between the installation cover plate 7 and the speed reducer housing 2,
The output gear 51 is arranged in the cavity 11, can protect output gear 51, plays dust-proof effect；On the other hand,
The output gear shaft 5 is arranged on by the installing hole installed on cover plate 7 and is installed on cover plate 7, is installed cover plate 7 and is played positioning output
The effect of gear shaft 5.The third wheel 4 can be a stepped gear, it is also possible to be made up of independent gear wheel and little gear, greatly
Gear and little gear were enclosed within wheel shaft, and gear wheel and little gear are rotated coaxially, and bull gear drive one is enclosed, and little gear is also rotated
One circle.
The operation principle of the motorcar electric pedal speed reducer assembly of the present invention：1 drive motor output gear 3 of motor is rotated,
Motor output gear 3 drives third wheel 4 to rotate, and third wheel 4 includes gear wheel 41 and little gear 42, due to motor output gear 3
The number of teeth of the gear wheel 41 of gear ratio third wheel 4 is few, so as to realize primary speed-down, and as gear wheel 41 and little gear 42 are enclosed within
Cross on wheel shaft 6, gear wheel 41 rotates one and encloses, little gear 42 also rotates a circle, little gear 42 is engaged so as to band with output gear 51
Dynamic output gear shaft 5 is rotated, and the number of teeth of the gear ratio little gear 42 of output gear 51 is more, is now that little gear drives canine tooth again
Wheel, realizes primary speed-down, again through double reduction, so as to realize the characteristics of speed reducing ratio is big, transmission efficiency is high.Reasonable disposition
The gear ratio of each gear, it is possible to achieve 100～150 times of decelerations.
If output gear shaft 5 is directly engaged with motor output gear 3, output gear shaft 5 and motor output gear 3
Rotation direction conversely, third wheel 4 is arranged between motor output gear 3 and output gear shaft 5, can cause output gear shaft 5 with
The rotation direction of motor output gear 3 is identical；If output gear shaft 5 is directly engaged with motor output gear 3, realize
The deceleration of same multiple, in the case where motor output gear 3 is constant, then the number of teeth of the output gear 51 of output gear shaft 5 must
To so increase, so as to increase the overall dimensions of speed reducer assembly, therefore the present invention by third wheel 4 to be set to include gear wheel 41
With the structure of little gear 42, gear wheel 41 engaged with motor output gear 3, and little gear 42 is engaged with output gear 51, through two
Level is slowed down, and in the case where motor output gear 3 is constant, will realize the deceleration of same multiple, can reduce speed reducer assembly
Overall dimensions.
Used as preferred embodiment, the motorcar electric pedal speed reducer assembly of the present invention also includes dust cover 8, described
Dust cover 8 is connected with speed reducer housing 2, and dust cover 8 is arranged between speed reducer housing 2 and motor 1, the dust cap
Axis hole is offered on plate 8, the other end for crossing wheel shaft 6 is arranged in the axis hole on dust cover 8.The dust cover 8 can
To play dust-proof effect, meanwhile, the speed reducer housing 2 is with dust cover 8 as the fulcrum for crossing wheel shaft 6, the third wheel
Axle 6 realizes double fulcrum stress, deforms excessive and affects gear engagement, interfere after can avoiding 4 stand under load of third wheel.
The speed reducer housing 2 is varied with the connected mode of dust cover 8, for example, can by bolt, screw,
The modes such as pin connect, used as positioning step, the dust cap preferred embodiment, are provided with the speed reducer housing 2
Locating convex block is provided with plate 8, the positioning step is coordinated with locating convex block.The card coordinated with locating convex block by positioning step
The mode of connecing realizes connection, and can play a part of positioning with locating convex block cooperation by positioning step, it is ensured that the deceleration
The axial line of the axis hole on the axis hole of device shell 2 and dust cover 8 is completely superposed.
As preferred embodiment, arrange fluted in the end sides of the gear wheel 41 or little gear 42,
Wave washer 9 is provided with the groove.An axial pre tightening force can be produced on third wheel 4 by arranging wave washer 9, be carried
Engaging between high gear wheel 41 and motor output gear 3, between little gear 42 and output gear 51 is steady.
Due to spline connection with contact area is big, bearing capacity is high, centering performance and steering capability is good, stress concentration is little
The features such as, accordingly, as preferred embodiment, the connecting key 52 is spline.The profile of spline can be rectangular spline,
But involute spline, the number of teeth are any, such as tooth number Z=5 or tooth number Z=6.Rectangular spline is easy to process, can use method for grinding
Higher precision is obtained, but internal spline generally uses spline broach, for the spline of blind hole cannot just be processed, have to use slotting
Processing, precision are relatively low；As involute spline flank profil is involute, there is radial component during stand under load on the gear teeth, self-centering can be played
Effect, carries each tooth uniform, and intensity is high, and is also convenient for connection, accordingly, as preferred implementation, the connecting key 52
For involute spline.
In order to prevent output gear shaft 5 from rotating abrasion, the stationarity of transmission is affected, it is as preferred embodiment, described
Axle sleeve 10 is provided with installing hole.The material of axle sleeve 10 can be made of a variety of materials, for example, can be by cast iron, cast bronze, axle
Hold the materials such as alloy to make, used as preferred embodiment, the axle sleeve 10 is made up of self-lubricating material, such axle sleeve 10 itself
Just there is lubrication, the abrasion of output gear shaft 5 can be reduced, lubriation material on the other hand can also be saved.Due to nylon
Not only there is self-lubricating function, and wearability and thermostability are all fine, politef has resistant to elevated temperatures feature, and rubs
Wipe that coefficient is extremely low, self-lubricating function is very good, accordingly, as preferred embodiment, the self-lubricating material be nylon or
Politef.
As preferred embodiment, boss 521 in the end sides of the connecting key 52, is provided with.So, by
The connection end of electric treadle arranges counterbore, and boss 521 is coordinated with counterbore, is easy to connecting key 52 to be connected with electric treadle, Ke Yiqi
To the effect of positioning, while increasing and electric treadle attachment force.
Claims (5)
1. motorcar electric pedal speed reducer assembly, including motor (1), speed reducer housing (2), motor output gear (3), output gear
Wheel shaft (5) and installation cover plate (7), the motor output gear (3) are connected with motor (1), it is characterised in that：Also include third wheel
(4) and cross wheel shaft (6)；It is internal that the motor output gear (3) is arranged at the speed reducer housing (2) with third wheel (4)；It is described
Cover plate (7) is installed to be connected with the speed reducer housing (2), the speed reducer housing (2) is arranged on installation cover plate (7) and motor
(1) between, and cavity (11) between installation cover plate (7) and the speed reducer housing (2), is formed, installation cover plate (7)
On be provided with installing hole, the output gear shaft (5) is arranged on by the installing hole and is installed on cover plate (7)；The output gear
Output gear (51) and connecting key (52) are provided with wheel shaft (5), the output gear (51) is arranged in the cavity (11),
The connecting key (52) is arranged on the outside for installing cover plate (7)；Axis hole is offered on the speed reducer housing (2), it is described
The one end for crossing wheel shaft (6) is arranged in the axis hole of the speed reducer housing (2), and the third wheel (4) was enclosed within wheel shaft (6)；Institute
Third wheel (4) is stated including gear wheel (41) and little gear (42), the gear wheel (41) is engaged with the motor output gear (3),
The little gear (42) is engaged with output gear (51)；The number of teeth of the gear ratio motor output gear (3) of the gear wheel (41)
The number of teeth of the gear ratio little gear (42) of many, described gear wheels (41) is more, and the output gear (51) gear ratio little gear
(42) the number of teeth is more；The connecting key (52) is to be provided with boss on spline, and the end sides of the connecting key (52)
(521)；Also include dust cover (8), the dust cover (8) is connected with speed reducer housing (2), and dust cover (8) is arranged
Between speed reducer housing (2) and motor (1), axis hole on the dust cover (8), is offered, it is described to cross the another of wheel shaft (6)
End is arranged in the axis hole on dust cover (8)；Positioning step, the dust cover are provided with the speed reducer housing (2)
(8) locating convex block is provided with, the positioning step is coordinated with locating convex block；In the gear wheel (41) or little gear (42)
Arrange fluted in end sides, wave washer (9) is provided with the groove.
2. motorcar electric pedal speed reducer assembly as claimed in claim 1, it is characterised in that：The connecting key (52) is gradually to open
Line spline.
3. motorcar electric pedal speed reducer assembly as claimed in claim 1 or 2, it is characterised in that：Arrange in the installing hole
There is axle sleeve (10).
4. motorcar electric pedal speed reducer assembly as claimed in claim 3, it is characterised in that：The axle sleeve (10) is by self-lubricating
Material is made.
5. motorcar electric pedal speed reducer assembly as claimed in claim 4, it is characterised in that：The self-lubricating material is nylon
Or politef.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410217400.8A CN103968004B (en) | 2014-05-21 | 2014-05-21 | Speed reducer assembly of automobile electric pedal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410217400.8A CN103968004B (en) | 2014-05-21 | 2014-05-21 | Speed reducer assembly of automobile electric pedal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103968004A CN103968004A (en) | 2014-08-06 |
| CN103968004B true CN103968004B (en) | 2017-05-03 |
Family
ID=51237875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410217400.8A Active CN103968004B (en) | 2014-05-21 | 2014-05-21 | Speed reducer assembly of automobile electric pedal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103968004B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2806241Y (en) * | 2005-06-30 | 2006-08-16 | 百盈实业股份有限公司 | Assistant device for go/off board of vehicle |
| CN101418846A (en) * | 2008-11-21 | 2009-04-29 | 中信重工机械股份有限公司 | Cone planet multi-stage big transmitting ratio decelerator for slow drive for ore mill |
| CN102501803A (en) * | 2011-11-11 | 2012-06-20 | 浙江工业大学 | Automotive automatic electric retractable pedal |
| CN103625368A (en) * | 2012-08-24 | 2014-03-12 | 姚越峰 | Electric telescopic side pedal of automobile |
| CN203594730U (en) * | 2013-12-02 | 2014-05-14 | 淅川县顺隆弹簧有限公司 | Electric reduction gearbox with input shaft and output shaft high in coaxiality |
| CN203856966U (en) * | 2014-05-21 | 2014-10-01 | 成都华川电装有限责任公司 | Automotive electric pedal speed reducer assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4845255B2 (en) * | 2000-10-17 | 2011-12-28 | 株式会社ハーモニック・ドライブ・システムズ | Absolute sensor |
-
2014
- 2014-05-21 CN CN201410217400.8A patent/CN103968004B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2806241Y (en) * | 2005-06-30 | 2006-08-16 | 百盈实业股份有限公司 | Assistant device for go/off board of vehicle |
| CN101418846A (en) * | 2008-11-21 | 2009-04-29 | 中信重工机械股份有限公司 | Cone planet multi-stage big transmitting ratio decelerator for slow drive for ore mill |
| CN102501803A (en) * | 2011-11-11 | 2012-06-20 | 浙江工业大学 | Automotive automatic electric retractable pedal |
| CN103625368A (en) * | 2012-08-24 | 2014-03-12 | 姚越峰 | Electric telescopic side pedal of automobile |
| CN203594730U (en) * | 2013-12-02 | 2014-05-14 | 淅川县顺隆弹簧有限公司 | Electric reduction gearbox with input shaft and output shaft high in coaxiality |
| CN203856966U (en) * | 2014-05-21 | 2014-10-01 | 成都华川电装有限责任公司 | Automotive electric pedal speed reducer assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103968004A (en) | 2014-08-06 |
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