CN103968004A - Speed reducer assembly of automobile electric pedal - Google Patents
Speed reducer assembly of automobile electric pedal Download PDFInfo
- Publication number
- CN103968004A CN103968004A CN201410217400.8A CN201410217400A CN103968004A CN 103968004 A CN103968004 A CN 103968004A CN 201410217400 A CN201410217400 A CN 201410217400A CN 103968004 A CN103968004 A CN 103968004A
- Authority
- CN
- China
- Prior art keywords
- speed reducer
- output gear
- gear
- electric pedal
- 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.)
- Granted
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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
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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
- 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
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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
- 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
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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
- 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 transmission device, be specifically related to a kind of motorcar electric pedal speed reducer assembly.
Background technique
In recent years, automobile has become the essential tool of people's go off daily, and electric treadle is adapted as to a kind of motorcar electric pedal that can automatic telescopic, more and more receives people's concern and likes.Compare with fixed pedestal, motor-driven extensible pedal not only can make car load coordination more attractive in appearance; And can improve the passing ability of automobile at narrow space; Can also provide convenient service for user gets on or off the bus simultaneously, particularly for the automobile of high chassis, it is more important that telescopic pedal just seems, especially women, old man or child got on or off the bus and just seem particularly important, therefore for automobile repacking motor-driven extensible pedal becomes more and more popular.
Because motor-driven extensible pedal is motor high-speed driving, and be arranged on bottom of car both sides, be subject to the restriction in the space of car body own and the requirement of passing ability, it is little that this just requires retarder to have volume, and reduction speed ratio is large, transmission efficiency high.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of motorcar electric pedal speed reducer assembly of simple in structure, compact dimensions, can in compared with little space, realize reduction speed ratio large, transmission efficiency high.
The present invention solves the motorcar electric pedal speed reducer assembly that its technical problem adopts, and comprises motor, speed reducer housing, motor output gear, output gear shaft and installation cover plate, and described motor output gear is connected with motor, also comprises third wheel and crosses wheel shaft; It is inner that described motor output gear and third wheel are all arranged on described speed reducer housing; Described installation cover plate is connected with described speed reducer housing, described speed reducer housing is arranged on to be installed between cover plate and motor, and form cavity between described installation cover plate and described speed reducer housing, on described installation cover plate, be provided with mounting hole, described output gear shaft is arranged on and is installed on cover plate by described mounting hole; On described output gear shaft, be provided with output gear and connecting key, described output gear is arranged in described cavity, and described connecting key is arranged on the outside of described installation cover plate; On described speed reducer housing, offer axis hole, described one end of crossing wheel shaft is arranged in the axis hole of described speed reducer housing, and described third wheel was enclosed within on wheel shaft; Described third wheel comprises gearwheel and small gear, described gearwheel and the engagement of described motor output gear, described small gear and output gear engagement; The number of teeth of the gear ratio motor output gear of described gearwheel is many, the number of teeth of the gear ratio small gear of described gearwheel is many and the number of teeth of the gear ratio small gear of described output gear is many.
Further, also comprise dust cover, described dust cover is connected with speed reducer housing, and dust cover is arranged between speed reducer housing and motor, on described dust cover, offers axis hole, and the described the other end of crossing wheel shaft is arranged in the axis hole on dust cover.
Further, on described speed reducer housing, be provided with positioning step, on described dust cover, be provided with locating bump, described positioning step coordinates with locating bump.
Further, in the end sides of described gearwheel or small gear, be provided with groove, in described groove, be provided with wave washer.
Further, described connecting key is spline.
Further, described connecting key is involute splines.
Further, in described mounting hole, be provided with axle sleeve.
Further, described axle sleeve is made by self lubricating material.
Further, described self lubricating material is nylon or teflon.
Further, in the end sides of described connecting key, be provided with boss.
The invention has the beneficial effects as follows:
1, motorcar electric pedal speed reducer assembly of the present invention, connects motor output gear and output gear shaft by third wheel, and third wheel comprises gearwheel and small gear, gearwheel and motor output gear engagement, small gear and output gear engagement; The number of teeth of the gear ratio motor output gear of gearwheel is many, the number of teeth of the gear ratio small gear of gearwheel is many and the number of teeth of the gear ratio small gear of output gear is many, like this, through double reduction, thereby it is large in compared with little space, to realize reduction speed ratio, the mechanical transmission that transmission efficiency is high; Motorcar electric pedal speed reducer assembly of the present invention, simple in structure, compact dimensions, easy to process, with low cost, working service is convenient.
2, crossing wheel shaft, to realize two fulcrums stressed, can avoid being out of shape after third wheel stand under load excessive and affect gear and mesh, and interferes.
3, by wave washer is set, can on third wheel, produce an axial pre tightening force, improve between gearwheel and motor output gear 3, the engagement between small gear and input tooth is steady.
4, the axle sleeve that adopts self lubricating material to make, can reduce the wearing and tearing of output gear shaft.
Accompanying drawing explanation
Fig. 1 is that axle of the present invention measures intention;
Fig. 2 is internal structure schematic diagram of the present invention;
Shown in Fig. 1 and Fig. 2: 1-motor, 2-speed reducer housing, 3-motor output gear, 4-third wheel, 5-output gear shaft, 6-cross wheel shaft, 7-installs cover plate, 8-dust cover, 9-wave washer, 10-axle sleeve, 51-output gear, 52-connecting key, 521-boss, 41-gearwheel, 42-small gear, 11-cavity.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1 and Figure 2, motorcar electric pedal speed reducer assembly of the present invention, comprise motor 1, speed reducer housing 2, motor output gear 3, output gear shaft 5 and cover plate 7 is installed, described motor output gear 3 is connected with motor 1, it is characterized in that: also comprise third wheel 4 and cross wheel shaft 6; Described motor output gear 3 is all arranged on described speed reducer housing 2 inside with third wheel 4; Described installation cover plate 7 is connected with described speed reducer housing 2, described speed reducer housing 2 is arranged on to be installed between cover plate 7 and motor 1, and form cavity 11 between described installation cover plate 7 and described speed reducer housing 2, on described installation cover plate 7, be provided with mounting hole, described output gear shaft 5 is arranged on and is installed on cover plate 7 by described mounting hole; On described output gear shaft 5, be provided with output gear 51 and connecting key 52, described output gear 51 is arranged in described cavity 11, and described connecting key 52 is arranged on the outside of described installation cover plate 7; On described speed reducer housing 2, offer axis hole, described one end of crossing wheel shaft 6 is arranged in the axis hole of described speed reducer housing 2, and described third wheel 4 was enclosed within on wheel shaft 6; Described third wheel 4 comprises gearwheel 41 and small gear 42, described gearwheel 41 and described motor output gear 3 engagements, described small gear 42 and output gear 51 engagements; The number of teeth of the gear ratio small gear 42 of the many and described output gear 51 of the number of teeth of the gear ratio small gear 42 of many, the described gearwheels 41 of the number of teeth of the gear ratio motor output gear 3 of described gearwheel 41 is many.The outside that cover plate 7 is installed refers to that side away from cavity 11, and the inner side that cover plate 7 is installed refers to that side that forms cavity 11 with speed reducer housing 2.Motor output gear 3 and third wheel 4 are arranged on to described speed reducer housing 2 inside, and speed reducer housing 2 can be protected motor output gear 3 and third wheel 4, plays dustproof effect, delays the wearing and tearing of gear, and meanwhile, described speed reducer housing 2 is as the supporting element of crossing wheel shaft 6.Between described installation cover plate 7 and described speed reducer housing 2, form cavity 11, described output gear 51 is arranged in described cavity 11, can protect output gear 51, plays dustproof effect; On the other hand, described output gear shaft 5 is arranged on installation cover plate 7 by the mounting hole of installing on cover plate 7, and the effect that cover plate 7 plays location output gear shaft 5 is installed.Described third wheel 4 can be a stepped gear, also can be comprised of independently gearwheel and small gear, and gearwheel and small gear were all enclosed within on wheel shaft, gearwheel and small gear coaxial rotation, and gearwheel rotates a circle, and small gear also rotates a circle.
The working principle of motorcar electric pedal speed reducer assembly of the present invention: motor 1 drive motor output gear 3 rotates, motor output gear 3 drives third wheel 4 to rotate, and third wheel 4 comprises gearwheel 41 and small gear 42, because the number of teeth of the gearwheel 41 of the gear ratio third wheel 4 of motor output gear 3 is few, thereby realize primary speed-down, again because gearwheel 41 and small gear 42 were all enclosed within on wheel shaft 6, gearwheel 41 rotates a circle, small gear 42 also rotates a circle, thereby small gear 42 drives output gear shaft 5 to rotate with output gear 51 engagements, the number of teeth of the gear ratio small gear 42 of output gear 51 is many, again now that small gear drives gearwheel, again realized primary speed-down, through double reduction, thereby it is large to realize reduction speed ratio, the feature that transmission efficiency is high.The gear ratio of each gear of reasonable disposition, can realize 100～150 times of decelerations.
If output gear shaft 5 is direct and motor output gear 3 engagements, the direction of rotation of output gear shaft 5 and motor output gear 3, between motor output gear 3 and output gear shaft 5, third wheel 4 is set, can be so that output gear shaft 5 be identical with the sense of rotation of motor output gear 3, if output gear shaft 5 is direct and motor output gear 3 engagements, realize the deceleration of same multiple, in the situation that motor output gear 3 is constant, the number of teeth of the output gear 51 of output gear shaft 5 must increase, thereby increase the overall dimensions of speed reducer assembly, therefore the present invention is by being set to third wheel 4 to comprise the structure of gearwheel 41 and small gear 42, gearwheel 41 and motor output gear 3 engagements, small gear 42 and output gear 51 engagements, through double reduction, in the situation that motor output gear 3 is constant, realize the deceleration of same multiple, can dwindle the overall dimensions of speed reducer assembly.
As preferred embodiment, motorcar electric pedal speed reducer assembly of the present invention also comprises 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, on described dust cover 8, offer axis hole, the described the other end of crossing wheel shaft 6 is arranged in the axis hole on dust cover 8.Described dust cover 8 can play dustproof effect, meanwhile, described speed reducer housing 2 is with dust cover 8 all as the fulcrum of crossing wheel shaft 6, and described to cross wheel shaft 6 realization pair fulcrums stressed, can avoid being out of shape excessive after third wheel 4 stands under load and affect gear engagement, interfering.
Described speed reducer housing 2 is varied with the Placement of dust cover 8, for example, can connect by modes such as bolt, screw, pins, as preferred embodiment, on described speed reducer housing 2, be provided with positioning step, on described dust cover 8, be provided with locating bump, described positioning step coordinates with locating bump.The snap fit coordinating by positioning step and locating bump is realized and being connected, and coordinates by positioning step the effect that can play location with locating bump, guarantees that the axis hole of described speed reducer housing 2 overlaps completely with the shaft axis of axis hole on dust cover 8.
As preferred embodiment, in the end sides of described gearwheel 41 or small gear 42, be provided with groove, in described groove, be provided with wave washer 9.By wave washer 9 is set, can on third wheel 4, produce an axial pre tightening force, improve between gearwheel 41 and motor output gear 3, the engagement between small gear 42 and output gear 51 is steady.
Because splined has that area of contact is large, bearing capacity is high, centering performance and steering capability is good, stress is concentrated the features such as little, therefore, as preferred embodiment, described connecting key 52 is spline.The profile of spline can be rectangular spline, also involute splines, and the number of teeth is any, as tooth number Z=5 or tooth number Z=6.Rectangular spline is easy to process, and available method for grinding obtains higher precision, but internal spline will be used spline broach conventionally, for the spline of blind hole, just cannot process, and have to use shaping, and precision is lower; Because involute splines flank profil is involute, during stand under load, on the gear teeth, there is radial component, can play self-centering action, make each tooth carrying evenly, intensity is high, but also is convenient to connect, and therefore, as preferred implementation, described connecting key 52 is involute splines.
In order to prevent that output gear shaft 5 from rotating wearing and tearing, affect the stationarity of transmission, as preferred embodiment, in described mounting hole, be provided with axle sleeve 10.The material of axle sleeve 10 can be made of a variety of materials, for example, can be made by materials such as cast iron, cast bronze, bearing metal, as preferred embodiment, described axle sleeve 10 is made by self lubricating material, axle sleeve 10 self just has lubrication like this, can reduce the wearing and tearing of output gear shaft 5, also can save lubriation material on the other hand.Because nylon not only has self-lubricating function, and wear resistance and heat resistance all fine, teflon has resistant to elevated temperatures feature, and friction factor is extremely low, self-lubricating function is very good, therefore, as preferred embodiment, described self lubricating material is nylon or teflon.
As preferred embodiment, in the end sides of described connecting key 52, be provided with boss 521.Like this, by the connecting end at electric treadle, counterbore is set, boss 521 coordinates with counterbore, is convenient to connecting key 52 and is connected with electric treadle, can play the effect of location, increases and is connected power with electric treadle simultaneously.
Claims (10)
1. motorcar electric pedal speed reducer assembly, comprise motor (1), speed reducer housing (2), motor output gear (3), output gear shaft (5) and cover plate (7) is installed, described motor output gear (3) is connected with motor (1), it is characterized in that: also comprise third wheel (4) and cross wheel shaft (6); Described motor output gear (3) is all arranged on described speed reducer housing (2) inside with third wheel (4); Described installation cover plate (7) is connected with described speed reducer housing (2), described speed reducer housing (2) is arranged on to be installed between cover plate (7) and motor (1), and form cavity (11) between described installation cover plate (7) and described speed reducer housing (2), on described installation cover plate (7), be provided with mounting hole, described output gear shaft (5) is arranged on and is installed on cover plate (7) by described mounting hole; On described output gear shaft (5), be provided with output gear (51) and connecting key (52), described output gear (51) is arranged in described cavity (11), and described connecting key (52) is arranged on the outside of described installation cover plate (7); Described speed reducer housing offers axis hole on (2), and described one end of crossing wheel shaft (6) is arranged in the axis hole of described speed reducer housing (2), and described third wheel (4) was enclosed within on wheel shaft (6); Described third wheel (4) comprises gearwheel (41) and small gear (42), described gearwheel (41) and described motor output gear (3) engagement, described small gear (42) and output gear (51) engagement; The number of teeth of the gear ratio small gear (42) of the many and described output gear (51) of the number of teeth of the gear ratio small gear (42) of many, the described gearwheels of the number of teeth (41) of the gear ratio motor output gear (3) of described gearwheel (41) is many.
2. motorcar electric pedal speed reducer assembly as claimed in claim 1, it is characterized in that: also comprise 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), described dust cover offers axis hole on (8), and the described the other end of crossing wheel shaft (6) is arranged in the axis hole on dust cover (8).
3. motorcar electric pedal speed reducer assembly as claimed in claim 2, is characterized in that: described speed reducer housing is provided with positioning step on (2), and described dust cover is provided with locating bump on (8), and described positioning step coordinates with locating bump.
4. the motorcar electric pedal speed reducer assembly as described in any one claim in claims 1 to 3, it is characterized in that: in the end sides of described gearwheel (41) or small gear (42), be provided with groove, in described groove, be provided with wave washer (9).
5. the motorcar electric pedal speed reducer assembly as described in any one claim in claims 1 to 3, is characterized in that: described connecting key (52) is spline.
6. motorcar electric pedal speed reducer assembly as claimed in claim 5, is characterized in that: described connecting key (52) is involute splines.
7. the motorcar electric pedal speed reducer assembly as described in any one claim in claims 1 to 3, is characterized in that: in described mounting hole, be provided with axle sleeve (10).
8. motorcar electric pedal speed reducer assembly as claimed in claim 7, is characterized in that: described axle sleeve (10) is made by self lubricating material.
9. motorcar electric pedal speed reducer assembly as claimed in claim 8, is characterized in that: described self lubricating material is nylon or teflon.
10. the motorcar electric pedal speed reducer assembly as described in any one claim in claims 1 to 3, is characterized in that: in the end sides of described connecting key (52), be provided with boss (521).
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 true CN103968004A (en) | 2014-08-06 |
| CN103968004B CN103968004B (en) | 2017-05-03 |
Family
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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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020088293A1 (en) * | 2000-10-17 | 2002-07-11 | Yoshinori Ito | Absolute sensor |
| 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 |
-
2014
- 2014-05-21 CN CN201410217400.8A patent/CN103968004B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020088293A1 (en) * | 2000-10-17 | 2002-07-11 | Yoshinori Ito | Absolute sensor |
| 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 |
|---|---|
| CN103968004B (en) | 2017-05-03 |
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