CN1167697A - Motor reducing gear buffer transmission for motor-driven vehicle - Google Patents
Motor reducing gear buffer transmission for motor-driven vehicle Download PDFInfo
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- CN1167697A CN1167697A CN 96106400 CN96106400A CN1167697A CN 1167697 A CN1167697 A CN 1167697A CN 96106400 CN96106400 CN 96106400 CN 96106400 A CN96106400 A CN 96106400A CN 1167697 A CN1167697 A CN 1167697A
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- motor
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- gear set
- buffer element
- driven vehicle
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Abstract
A buffering gear assembly for speed reduction of motor in electric vehicles is composed of a motor, more than one buffer elements and an external cover, which are installed to the motor's main shaft with drive gear set on it. More than one buffer elements are arranged between the power output end of the motor and drive gear set. Said external cover can shield the backstop surface. With the buffer element(s), the instantaneous start noise between motor and drive gear set can be eliminated and the vibration is damped, so saving electric energy, increasing continuous working ability, elongating service life and making passengers comfortable and safe.
Description
The present invention relates to a kind of vehicle transmission gear of traffic and transport field general vehicle, particularly relate to a kind of motor reducing gear buffer transmission for motor-driven vehicle.
Its light, laborsaving and noiselessness of battery-driven car pollutes, no air-polluting characteristic, extensively be subjected to manufacturer and customer's attention, especially existing full-fledged ultrathin motor, it cooperates the battery pack of small size to be installed on the light small and exquisite bicycle, need not change the design of the former car body of bicycle, can be combined into electric bicycle easily and fast, reach the advantage and the effect of aforementioned electric motor-car.
The power resources of known electric motor-car, the full electro-motor that is installed on the vehicle frame that relies on cooperates the change-gear set rev down, improves torsion; But, drive in the operation actual, puzzlement as described below and defective can take place in traditional battery-driven car: when rider one opens the power supply of car body, motor is because of high speed and the high torque transmission gear cluster of moment, because of having the gap between gear and gear, different sound that can send card in a flash owing to confront the tough with toughnees in interlock, the gap is bigger, then Ka sound is bigger, then the starting current of motor moment increases, and rapid recoil can detract life-span of motor, and relevant spare and accessory parts also can be consumed comparatively fast, very stiff and demanding damage especially easily the tooth cutting edge of a knife or a sword and the flank of tooth of gear moment, and cause the interlock between gear all to have some setbacks or stuck anxiety is arranged with sliding; Moreover, with regard to the rider, also can shake when sending the sound of card during starter motor, and make the rider feel very uncomfortable, and can cause psychological doubt.
General high-speed motor uses at slow speed of revolution, the takeoff output occasion of high torsion demand, especially the motor of battery-driven car, because of needing high torsion, it causes danger too soon to prevent speed with convenient climbing and slow speed of revolution, so all can use train of reduction gears to reach this effect, yet, the drive motor of battery-driven car is not as the static for example Water-pumping motor that uses, the motors such as industrial motor that factory uses are such, it does not have exacting requirements, starting the sound that moment sends a sound card is can be received, but the vehicle such as battery-driven car are because the raising of people's quality of the life, traveling comfort when being particular about environmental protection when driving also has quite high requirement, the defective of therefore above-mentioned traditional its reducing gear transmission of electric vehicle motor, more becoming battery-driven car needs the emphasis of making great efforts to improve making with using.
The inventor is according to carrying out battery-driven car exploitation and the experience of selling for many years, and can the discovery battery-driven car popularize the following factor that mainly contains: 1, the new line of environmental consciousness.2, the endurance of battery-driven car.3, the life-span of product.At present environmental consciousness reaches common recognition at the international level, the free of contamination vehicle for example its occupation rate of battery-driven car are also risen progressively year by year, and delay the major obstacle that people accept battery-driven car is exactly the life-span of its endurance and product, industrial community also making great efforts the better product of exploitation, is significantly improved the ubiquitous shortcoming of battery-driven car; Yet the too high influence of electric current that its moment startup is caused when transmission of traditional electric vehicle motor makes motor and relevant spare part life-span shorten the also relative reduction with the endurance of battery-driven car of the life-span of battery.
Because the drawback of above-mentioned traditional product, the inventor is based on abundant for many years practical experience and expertise, through constantly studying, design, and after studying sample repeatedly and improving, creates the present invention finally.
Main purpose of the present invention is; overcome the deficiencies in the prior art; and provide a kind of motor reducing gear buffer transmission for motor-driven vehicle; make its design that buffer transmission be arranged; make motor and gear cluster can reduce the starting current of its moment with soft start, thereby can increase the distance of exercising, the protection battery can normally use; and can prolong its service life, and have the usability on the industry.
The objective of the invention is to realize by following technical scheme.A kind of motor reducing gear buffer transmission for motor-driven vehicle, it is characterized in that it comprises by members such as motor, more than one buffer element and enclosing covers, be installed in jointly on the motor spindle that is provided with driving gear set, be positioned at motor outputting power end, between itself and this driving gear set, be provided with this more than one buffer element, and covered backstop and form one by this enclosing cover, by this buffer element respectively, can eliminate moment starts between motor and the driving gear set different sound and absorbing vibration.
Purpose of the present invention can also further realize by following technical measures.Aforesaid motor reducing gear buffer transmission for motor-driven vehicle, wherein said driving gear set, it comprises the few multiple driving gear set of the individual layer that is made of sun gear, outer tooth disk, more than one planetary wheel, rolling disc, free-wheel clutch; This motor, it is included in a side of its motor shell, is installed with some protruding seats according to the quantity of buffer element; This outer tooth disk, it is included in the outer shroud of this outer tooth disk, and corresponding between each protruding seat, convexes with the flange of equal number; This each buffer element is installed in the space between each protruding seat and flange; This enclosing cover is a ring lid shape, is fixed on the protruding seat by lock member, and is covered in the outside of outer tooth disk, in order to backstop outer tooth disk and each buffer element.Aforesaid motor reducing gear buffer transmission for motor-driven vehicle, wherein said driving gear set, it comprises many multiples of the multilayer driving gear set that is made of sun gear, elementary planetary wheel, secondary sun gear, secondary planetary gear, reaction plate seat, free-wheel clutch; This each buffer element is located in the protruding seat and the space between the elementary planetary reaction plate seat in the motor shell outside, and external side end is covered by the ring enclosing cover again, in order to the elementary planetary reaction plate seat of backstop and each buffer element.Aforesaid motor reducing gear buffer transmission for motor-driven vehicle, its structure of wherein said motor are brush motor, brushless motor, cylinder type motor, platypelloid type motor or dish-type motor.Aforesaid motor reducing gear buffer transmission for motor-driven vehicle, wherein said buffer element are compression spring, extension spring, coiled springs, the spring plate that metal, plastics or other materials are made, or any elastic element that reaches the buffering shock-absorbing effect.
The present invention compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, the present invention is when starting electro-motor, the elementary train of reduction gears of gear cluster is because of being provided with buffer transmission, can cushion earlier so as to shock-absorbing, make gear be soft attitude interlock, as the gearless gap, so the sound of card is sent in the collision of gearless and gear, especially the result of soft start after the shock-absorbing makes the rider can feel very quiet shape, and can happy driving.In addition, its motor of motor reducing gear buffer transmission for motor-driven vehicle that proposes because of the present invention is soft start, so the starting current of its moment can reduce, can reduce the cell instantaneous deep discharge, and can prolong the service life of battery, and have the effect of power saving.Owing to above-mentioned advantage, also greatly prolonged the life-span of motor and associated spare part thereof.Therefore because its design has buffer transmission, make motor and gear cluster can reduce the starting current of its moment with soft start, and can increase the distance of exercising, the protection battery can normally use, and can prolong its service life, and has the usability on the industry.
In sum, the present invention's design has the electro-motor reducing gear buffer transmission with buffer element, the unique innovation of integrated member, can eliminate with the soft start action and start different sound and absorbing vibration, thereby the life-span that can reach power saving, increases endurance, improves motor and transmission accessory, more can offer rider's safety and comfortable driving, and have the usability on progressive and the industry.No matter it structurally or all have on the function significantly and to improve, really is a new and innovative, progressive, practical new design.
Concrete structure of the present invention is provided in detail by following examples and accompanying drawing thereof.
Fig. 1 is the combination exploded perspective view that the present invention is installed on the few multiple driving gear set of individual layer.
Fig. 2 is the plane structure chart among Fig. 1.
Fig. 3 is the electro-motor black box cutaway view that is installed on the few multiple driving gear set of individual layer among Fig. 1.
Fig. 4 is another embodiment of the present invention, that is is installed on the electro-motor black box cutaway view of many multiples of multilayer driving gear set.
Below in conjunction with accompanying drawing and preferred embodiment, cooperate different driving gear set embodiment, to motor reducing gear buffer transmission for motor-driven vehicle concrete structure, feature and the effect thereof of foundation the present invention proposition.Describe in detail as after.
Common battery-driven car.Especially electric motor vehicle or Electrical Bicycle, the setting position of its electro-motor be nothing more than the flower-drum position direct drive that is front-wheel or trailing wheel, or be installed in by the pedal flywheel of seat below, drive flywheel, borrows flywheel to drive chain again.Drive the trailing wheel flower-drum again and drive car and advance, or, also be installed near the trailing wheel, drive the trailing wheel flower-drum by chain or belt and advance to drive car.But no matter be the position of motor installing or the structural style of motor, as drum-type, flat, brush, various motors such as brushless are arranged, all can reach rev down and strengthen the function of torsion by train of reduction gears.
In the train of reduction gears, have two kinds in the common structure, a kind of is the individual layer train of reduction gears, and a kind of is the multilayer train of reduction gears, no matter being the single or multiple lift train of reduction gears, all is to be driven and the elementary planetary wheel of its ingear by the sheathed sun gear of the central principal axis of motor:
1, in the individual layer train of reduction gears, elementary planetary wheel borrows the ring-type inner circular tooth in other the limit interlock to maintain static, make the sun gear that detours that revolves round the sun, and embedding is extremely in same iron pan piece when plural center planetary gear axis hole connects axis of a cylinder, and this iron pan piece rotates direct or indirect drive wheels by elementary planetary revolution.
2, also be identical principle in the multilayer train of reduction gears, the elementary planetary wheel of sun gear transmission, this elementary planetary central column is fixed on another and is locked in a side on the motionless permanent seat of motor shell, opposite side also is embedded the second layer planetary wheel of an identical shared central column with elementary planetary wheel, borrow it to rotate the central sun gear of the transmission second layer again, by the next direct or indirect drive wheels of the rotation of second layer sun gear.
By above-mentioned individual layer, multilayer train of reduction gears structure as can be known, more be the elementary planetary wheel of deceleration of sun gear near motor center's axle, the most stressed maximum when the moment transmission if can be provided with a shock absorber in force structure, then can alleviate the stressed of its moment and reach the effect of shock-absorbing.
In order to reach this purpose, the fixedly ring-type inner circular tooth wheel of the present invention's design in the individual layer train of reduction gears, or be equiped with shock absorber on the elementary planetary wheel permanent seat in the multilayer train of reduction gears, between itself and motor case, on the corresponding appropriate location more than one buffer element is set, allow the ring-type inner circular tooth take turns or elementary planetary wheel permanent seat, when elementary planetary wheel operation is rotated, depressing the buffer element displacement earlier cushions, when the buffer element pressurized is just no longer pressed to a certain degree, it is the transmission component of driving gear set back segment, compress the buffer element displacement action and so forth, can reach effect of the present invention.
See also Fig. 1, shown in Figure 2, motor reducing gear buffer transmission for motor-driven vehicle of the present invention, it comprises by members such as motor 10, outer tooth disk 15, more than one buffer element 17 and enclosing covers 18, is installed in jointly on the motor spindle 13 that is provided with driving gear set to constitute.
Above-mentioned driving gear set, it comprises by sun gear 14, more than one planetary wheel 19, rolling disc 20, free-wheel clutch 21 and being constituted, and in order to reducing the rotating speed of motor, and improves torsion.
This motor 10, it is included in a side of its motor shell 11, is installed with some protruding seats 12 according to the quantity of buffer element 17; This outer tooth disk 15, it is included in the outer shroud of this outer tooth disk 15, between each protruding seat 12, convex with equal number flange 16; Each buffer element 17 is installed in the space between each protruding seat 12 and flange 16 (as shown in Figure 2); This enclosing cover 18 is a ring lid shape, is fixed on the protruding seat 12 by lock member, is covered in the outside of outer tooth disk 15, in order to backstop outer tooth disk 15 and each buffer element 17.
Please cooperate again consult shown in Figure 3, each planetary wheel 19 of driving gear set, for being engaged in the inner edge of outer tooth disk 15, respectively the axle center of this planetary wheel 19 is connected in rolling disc 20, drives free-wheel clutchs 21 by this rolling disc 20; This free-wheel clutch 21 is incorporated into the flower drum shell 22 of wheel, and the combined hole 23 of these flower drum shell 22 neighborings is in order in conjunction with the wheel rim steel wire, so forms the connection of motor transmission power.
As mentioned above, when starting when motor 10 turn-on powers, sun gear 14 on the main shaft 13 will drive driving gear set moment, at this moment, planetary wheel 19 is when 15 operations of institute's ingear outer tooth disk are rotated, can depress respectively this buffer element 17 of neighboring earlier, form action of giving, absorb aforementioned moment power and eliminate gear and gear between touch different sound; When buffer element 17 pressurizeds just no longer are compressed during to a certain degree, promptly drive the flower drum shell 22 of rolling disc 20, free-wheel clutch 21 and wheel by driving gear set, make the vehicle body forward movement.
See also shown in Figure 4ly, be another embodiment of the present invention, its principle is the same with the few multiple driving gear set of aforementioned individual layer.As shown in FIG., sun gear 34 on motor 30 main shafts 33, the elementary planetary wheel 35 of transmission, the central column of this elementary planetary wheel 35 is fixed on another side that is locked in permanent seat motionless on the motor shell 31, opposite side also is embedded with the secondary planetary gear 37 of an identical shared central column with elementary planetary wheel 35, borrow it to rotate transmission secondary sun gear 39 again, borrow the rotation of secondary sun gear 39 to drive free-wheel clutch 40, flower drum shell 41, thereby drive wheel via the steel wire group of wheel rim steel wire combined hole 42.The same with the few multiple driving gear set of aforementioned individual layer, each buffer element 43 (as shown in phantom in Figure 4), in the space between the protruding seat 32 of being located at motor shell 31 outsides and the reaction plate seat 36 of elementary planetary wheel 35, external side end is again by enclosing cover 38 coverings, in order to each buffer element 43 of backstop.
When starting when motor 30 turn-on powers, sun gear 34 on the main shaft 33 will drive driving gear set moment, and at this moment, the rotary power of moment can be depressed respectively this buffer element 43 earlier, form action of giving, absorb moment power and eliminate gear and gear between touch different sound; When buffer element 43 pressurizeds just no longer are compressed during to a certain degree, promptly drive free-wheel clutch 40, flower drum shell 41 by driving gear set, make the vehicle body forward movement.
Claims (6)
1, a kind of motor reducing gear buffer transmission for motor-driven vehicle, it is characterized in that it comprises by members such as motor, more than one buffer element and enclosing covers, be installed in jointly on the motor spindle that is provided with driving gear set, be positioned at motor outputting power end, between itself and this driving gear set, be provided with this more than one buffer element, and covered backstop and formed one by this enclosing cover, by this buffer element respectively, can eliminate moment starts between motor and the driving gear set different sound and absorbing vibration.
2, motor reducing gear buffer transmission for motor-driven vehicle according to claim 1, it is characterized in that described driving gear set, it comprises the few multiple driving gear set of the individual layer that is made of sun gear, outer tooth disk, more than one planetary wheel, rolling disc, free-wheel clutch; This motor, it is included in a side of its motor shell, is installed with some protruding seats according to the quantity of buffer element; This outer tooth disk, it is included in the outer shroud of this outer tooth disk, and corresponding between each protruding seat, convexes with the flange of equal number; This each buffer element is installed in the space between each protruding seat and flange; This enclosing cover is a ring lid shape, is fixed on the protruding seat by lock member, and is covered in the outside of outer tooth disk, in order to backstop outer tooth disk and each buffer element.
3, motor reducing gear buffer transmission for motor-driven vehicle according to claim 1, it is characterized in that described driving gear set, it comprises many multiples of the multilayer driving gear set that is made of sun gear, elementary planetary wheel, secondary sun gear, secondary planetary gear, reaction plate seat, free-wheel clutch: this each buffer element, be located in the protruding seat and the space between the elementary planetary reaction plate seat in the motor shell outside, external side end is covered by the ring enclosing cover again, in order to the elementary planetary reaction plate seat of backstop and each buffer element.
4,, it is characterized in that its structure of described motor is brush motor, brushless motor, cylinder type motor, platypelloid type motor or dish-type motor according to the described motor reducing gear buffer transmission for motor-driven vehicle of arbitrary claim in the claim 1 to 3.
5, according to the described motor reducing gear buffer transmission for motor-driven vehicle of arbitrary claim in the claim 1 to 3, it is characterized in that described buffer element is compression spring, extension spring, coiled springs, the spring plate that metal, plastics or other materials are made, or any elastic element that reaches the buffering shock-absorbing effect.
6, motor reducing gear buffer transmission for motor-driven vehicle according to claim 4, it is characterized in that described buffer element is compression spring, extension spring, coiled springs, the spring plate that metal, plastics or other materials are made, or any elastic element that reaches the buffering shock-absorbing effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96106400 CN1167697A (en) | 1996-06-12 | 1996-06-12 | Motor reducing gear buffer transmission for motor-driven vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96106400 CN1167697A (en) | 1996-06-12 | 1996-06-12 | Motor reducing gear buffer transmission for motor-driven vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1167697A true CN1167697A (en) | 1997-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96106400 Pending CN1167697A (en) | 1996-06-12 | 1996-06-12 | Motor reducing gear buffer transmission for motor-driven vehicle |
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| Country | Link |
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| CN (1) | CN1167697A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1081153C (en) * | 1998-05-07 | 2002-03-20 | 赖振辉 | Auxiliary device for electric powered bicycle |
| CN109774456A (en) * | 2019-01-16 | 2019-05-21 | 山东交通学院 | A kind of wheel motor drive device of electric car |
| CN112303213A (en) * | 2019-07-31 | 2021-02-02 | 筌诚机械股份有限公司 | Buffering type gear assembly of power tool |
-
1996
- 1996-06-12 CN CN 96106400 patent/CN1167697A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1081153C (en) * | 1998-05-07 | 2002-03-20 | 赖振辉 | Auxiliary device for electric powered bicycle |
| CN109774456A (en) * | 2019-01-16 | 2019-05-21 | 山东交通学院 | A kind of wheel motor drive device of electric car |
| CN109774456B (en) * | 2019-01-16 | 2021-07-27 | 山东交通学院 | Hub motor driving device of electric automobile |
| CN112303213A (en) * | 2019-07-31 | 2021-02-02 | 筌诚机械股份有限公司 | Buffering type gear assembly of power tool |
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