CN1172048A - Electric auxiliary vehicle - Google Patents
Electric auxiliary vehicle Download PDFInfo
- Publication number
- CN1172048A CN1172048A CN 97114091 CN97114091A CN1172048A CN 1172048 A CN1172048 A CN 1172048A CN 97114091 CN97114091 CN 97114091 CN 97114091 A CN97114091 A CN 97114091A CN 1172048 A CN1172048 A CN 1172048A
- Authority
- CN
- China
- Prior art keywords
- force
- control unit
- power unit
- crank shaft
- mentioned
- 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.)
- Pending
Links
- 230000002153 concerted effect Effects 0.000 claims description 31
- 238000001514 detection method Methods 0.000 claims description 29
- 230000008485 antagonism Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 239000002131 composite material Substances 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 27
- 230000002093 peripheral effect Effects 0.000 description 18
- 238000009826 distribution Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 210000004027 cell Anatomy 0.000 description 6
- 210000005056 cell body Anatomy 0.000 description 6
- 230000008093 supporting effect Effects 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 5
- 229910003307 Ni-Cd Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 3
- 230000001141 propulsive effect Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 206010000060 Abdominal distension Diseases 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 208000024330 bloating Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Landscapes
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention provides an electric auxiliary vehicle which can realize miniaturization through reducing the assembly working procedures and part quantities, reducing the cost and shortening collocations. The invention is provided with a power unit and a control unit. The power unit outputs the composite force of a tread force applied on a crank shaft and an auxiliary power applied on an electric motor. The control unit can control the auxiliary force of the electric motor variably. The invention is characterized in that the control unit is collocated to the external end surface along the width direction of a car of a unit housing (box body) of the power unit and can be removably fixed on the box body.
Description
The present invention relates to handle and the electric auxiliary vehicle of the corresponding auxiliary driving force of pedal force from electrical motor supply wheel.
In recent years, extremely gaze at (for example Japanese special Willing flat 6-324686 number) the legpower that inputs to pedal with from the electrically assisted bicycle of making a concerted effort to supply with wheel of the auxiliary driving force of electrical motor.This electrically assisted bicycle have output pedal force and electrical motor auxiliary driving force the power unit of making a concerted effort, detect the force testing device of pedal force, according to this legpower detected value control unit of exporting of control motor changeably.
In this kind electric auxiliary vehicle, be installation strength and the installing space of guaranteeing power unit, control unit, and for the damage that prevents external force etc., usually this power unit etc. respectively along being responsible for the downside configuration, fix by support, and topped with covering.
The device of above-mentioned detection pedal force of the prior art is that counter-force is born portion and angular detection portion assembling all-in-one-piece structure as shown in figure 14.That is, this force testing device 200 has moment plate 202, dwang 203 and counter-force and bears portion 204.Moment plate 202 rotates at graphic anticlockwise direction according to the pedal force size that acts on the crank shaft 201.Dwang 203 is as angular detection portion, and the earth's axis that can connect with the abutting part 202a of moment plate 202 is being propped up.Counter-force is born portion 204 dwang 203 is pushed away toward anticlockwise direction.The rotational angle of dwang 202 is detected by potential device 205.The structure that counter-force is born portion 204 is, the cylinder portion 207 on being fixed in back plate 206 and inserting slidably between the piston 208 in this cylinder portion 207.Folder is being established spring 204a.
But, as above-mentioned existing electrically assisted bicycle power unit, control unit along in the structure of being responsible for configuration respectively, topped their large-scale cover must be set, also need to be provided with respectively erection scaffolding, therefore, assembling expense, part cost are improved.In addition, in the structure that Unit two are disposed respectively, the distribution complexity of the wire harness of control unit periphery, unitor, configuration space makes device maximize greatly.
In addition, in above-mentioned existing force testing device, because counter-force is born portion and angular detection portion is assembled into one, so the outstanding size of holding their casing becomes big, causes the whole maximization of casing.Thus, when the power unit configuration of change vehicle body, its installation position selection degree of freedom is little.
The present invention makes in view of the above problems, and its purpose is to provide a kind of can reduce assembling procedure and number of parts, dwindle configuration space, compact conformation, raising be to the electric auxiliary vehicle of installation site degree of freedom.
To achieve these goals, the described electric auxiliary vehicle of the application's claim 1, have power unit and control unit, this power unit is the output of making a concerted effort of pedal force that is input to crank shaft and electrical motor auxiliary power, this control unit is the auxiliary force at control motor changeably, it is characterized in that control unit disposes along the crank shaft diametric(al) outer peripheral face of power unit casing, and releasably is fixed on this casing.
The invention of claim 2 is to increase following feature on the basis of claim 1,, sees from the side to the part of major general's control unit to be configured in snugly in the mounting bracket that this mounting bracket is used for power unit is installed to vehicle frame that is.
The described electric auxiliary vehicle of claim 3 has power unit, pedaling force sensor and control unit; Power unit is input to making a concerted effort of the pedal force of crank shaft and electrical motor auxiliary force, and pedaling force sensor detects pedal force, and control unit is according to the detected pedal force of the pedaling force sensor auxiliary force at control motor changeably; It is characterized in that control unit and pedaling force sensor dispose along the crank shaft diametric(al) outer peripheral face of power unit casing, and releasably are fixed on this casing.
The invention of claim 4 is to increase following feature on the basis of claim 3, promptly, power unit has sun and planet gear, and this planetary mechanism and crank shaft dispose coaxially, and pedal force is input to the output of the either party from inner gear or sun gear behind the planetary wheel; Counter-force in the above-mentioned pedaling force sensor is born portion and is become with angular detection part open form, and this counter-force is born the crank shaft diametric(al) outer peripheral face configuration along above-mentioned casing of portion and angular detection portion; The above-mentioned counter-force portion of bearing make any the opposing party's antagonism in inner gear or the sun gear on this opposing party counter-force and rotate, this opposing party's rotational angle detects in above-mentioned angular detection portion.
The invention of claim 5 is to increase following feature on the basis of claim 4, that is, the S. A. of above-mentioned angular detection portion is configured in the direction perpendicular to crank shaft.
The invention of claim 6 is to increase following feature on each the basis in claim 3 to 5,, sees from the side to the part of major general's pedaling force sensor to be configured in snugly in the mounting bracket that this mounting bracket is used for power unit is installed in vehicle frame that is.
The invention of claim 7 is to increase following feature on each the basis in claim 3 to 6, that is, detect the outer peripheral face configuration of the car speed sensor of the speed of a motor vehicle along the power unit casing, and be fixed on this casing.
The invention of claim 8 is to increase following feature on each the basis in claim 3 to 7, that is, above-mentioned control unit, pedaling force sensor, car speed sensor at least a portion separately seen from the side be configured in snugly in the above-mentioned mounting bracket.
The invention of claim 9 is to increase following feature on the basis of claim 1, that is, above-mentioned control unit has through hole, and above-mentioned crank shaft passes this through hole.
The invention of claim 10 is to increase following feature on the basis of claim 1 or 9, that is, above-mentioned control unit is provided in a side of crank shaft, is positioned at the opposition side that takes out the sprocket wheel of making a concerted effort from power unit.
In the force testing device among the present invention, can adopt rotating potentiometer and reciprocating type linear potentiometer.
The crank shaft diametric(al) outer peripheral face of casing described in the present invention is meant in the outer peripheral face end face except intersecting with the footstalk axle.
According to the electric auxiliary vehicle of the described invention of claim 1,,, improved the durability of control unit so the heat that control unit sends can be shed by casing owing to the casing outer peripheral face of control unit along power unit disposes and be fixed on this casing.In addition, do not need control unit is installed on the vehicle frame support of usefulness, can reduce assembling procedure and number of parts, cost-cutting.Need only small-sized cover when adding cover.Because Unit two are become one, distribution can shorten and simply.In addition, also improved the degree of freedom of vehicle body configuration, can also make the vehicle body integral miniaturization.
In addition, because control unit disposes along the casing outer peripheral face, so the width dimensions of crank shaft can narrow down, the inclination angle when in corner portion vehicle body being toppled over can be strengthened, the sticky feeling in the time of can reducing pedal simultaneously.Compare with the situation that control unit is configured in box house, its maintenance or loading and unloading operation are all much easier.
In the invention of claim 2, be configured in the mounting bracket snugly owing at least a portion of control unit is seen from the side, just can prevent the damage of external force so special cover needn't be set, and effectively utilize the space and be configured, but the implementation structure densification.
In the invention of claim 3, owing to dispose and fixed control unit and pedaling force sensor along the outer peripheral face of power unit casing, so, can improve the thermal diffusivity of control unit, reduce assembling procedure and number of parts, cost-cutting etc. have effect similarly to Example 1.
In the invention of claim 4, because the counter-force portion of bearing of the pedaling force sensor that detects pedal force is become with angular detection part open form, and this counter-force born the outer peripheral face configuration along the power unit casing of portion and angular detection portion, so, with counter-force is born the situation that portion, angular detection portion become one and compares, can improve the degree of freedom of their selection allocation position, in addition, thereby the outstanding size of the casing that can reduce power unit makes the whole box body miniaturization, also can improve the configuration degree of freedom when installing on vehicle body.
In the invention of claim 5, on the direction that the S. A. of angular detection portion is configured in perpendicular to crank shaft, so, assembleability can be improved, and the outstanding size of casing can be reduced.
In the invention of claim 6, because at least a portion of pedaling force sensor and in the invention of claim 8, control unit, pedaling force sensor, car speed sensor at least a portion separately seen snugly from the side be configured in the mounting bracket, so, the damage of external force can be prevented.
In the invention of claim 7, owing to the configuration of casing outer peripheral face, fixed vehicle speed sensor along power unit, so can reduce assembling procedure and number of parts, cost-cutting etc. have the effect same with claim 1.
In the invention of claim 9, owing on control unit, form the through hole that passes for crank shaft,, improve outward appearance and hold efficient so can avoid interference with this crank shaft.
In the invention of claim 10, owing to the opposition side that control unit is configured in the sprocket wheel of power unit, so the configuration balance of left and right directions improves outward appearance and holds efficient.
Fig. 1 is the left side view of the electrically assisted bicycle of claim 1,2 inventions, one embodiment.
Fig. 2 is the section plan of the power unit of above-mentioned electrically assisted bicycle.
Fig. 3 is the semi-sictional view left side view of above-mentioned power unit.
Fig. 4 is the left side view that the above-mentioned power unit of expression is installed in state on the vehicle body.
Fig. 5 is the right side view that the above-mentioned power unit of expression is installed in state on the vehicle body.
Fig. 6 is the back view that the above-mentioned power unit of expression is installed in state on the vehicle body.
Fig. 7 is the left side view of the electrically assisted bicycle of claim 3～7 invention one embodiment.
Fig. 8 is the left side view of the auxiliary drive of the above-mentioned electrically assisted bicycle of expression.
Fig. 9 is the left side view of the power unit of above-mentioned auxiliary drive.
Figure 10 is the planar view of above-mentioned power unit.
Figure 11 is the ground plan of analysing and observe of above-mentioned power unit.
Figure 12 is the left side view of the force testing device of the above-mentioned power unit of expression.
Figure 13 is the constructional drawing of above-mentioned force testing device.
Figure 14 is the side elevation in partial section of the existing force testing device of expression.
Figure 15 is the left side view of the electrically assisted bicycle of claim 1,9,10 inventions, one embodiment.
Figure 16 is the left side view of the power unit of electrically assisted bicycle.
Figure 17 is the sectional plain-view drawing of above-mentioned power unit.
Figure 18 is expression left side view when unloading the lid state of above-mentioned power unit.
Figure 19 is the left side view of above-mentioned power unit.
Figure 20 is the planar view of above-mentioned power unit.
Figure 21 is the constructional drawing of above-mentioned control unit.
Below, with reference to the description of drawings embodiments of the invention.
Fig. 1 to Fig. 6 is the figure of the electrically assisted bicycle of explanation claim 1,2 inventions, one embodiment.Fig. 1 is the left side view of electrically assisted bicycle, and Fig. 2, Fig. 3 are cross sectional drawing, the side elevation in partial section of power unit, and Fig. 4～Fig. 6 is left side view, right side view and the back view when representing respectively that power unit is installed in the vehicle body state.During the state that all around is meant by bike described in the present embodiment all around.
Among the figure, the 1st, electrically assisted bicycle, its vehicle frame 2 is by head pipe 2a, person in charge 2b and saddle tube 2c one be combined into.Head pipe 2a rotatably support front fork 4, and front-wheel 3 can be rotated to support on this front fork 4.From the beginning person in charge 2b manages 2a and extends to the oblique back lower place.Saddle tube 2c erects upward from the rearward end of being responsible for 2b.
In the joint portion of being responsible for 2b and saddle tube 2c, mounting bracket 5 is being fixed in welding.This support 5 sees from the side and slightly is circular arc, makes by left and right sidewall 5a, the 5b of topped the pipe jointing portion from the left and right sides with from the metal sheet that the transversal surface that the upper wall 5c between up topped this two side, rear portion constitutes slightly is the コ font.
Leading section to the pair of right and left chain strut 6 of vehicle body rear extension is connected on the above-mentioned support 5, and the upper end of the rearward end of each chain strut 6 and saddle tube 2c is connected by pair of right and left seat stay 7.This chain strut 6 and seat stay 7 are combined into one by rear wheel support 8, and trailing wheel 9 can be rotated to support on this support 8.Handlebar 10 is contained in the upper end of front fork 4, is inserting height-adjustable vehicle seat column jecket 12 in the upper end of saddle tube 2c, and vehicle seat 11 is installed in vehicle seat column jecket 12 upper ends.
Actuating device 20 is being hung by mounting bracket 5.This actuating device 20 has man power driving mechanism and electric driving mechanism, and man power driving mechanism drives trailing wheel 9 rotations by the pedal force that is input to crank shaft 13, and electric driving mechanism drives trailing wheel 9 rotations by the auxiliary driving force of electrical motor 21.Above-mentioned pedal force and auxiliary driving force pass to trailing wheel 9 after becoming with joint efforts in power unit 22.
The structure of man power driving mechanism is, crank shaft 13 runs through power unit 22 and rotatably is configured in the power unit 22 along the overall width direction, and this power unit 22 is fixed on the above-mentioned support 5.Fixing crank 14 at the two ends of crank shaft 13, adorning rotatable pedal 15 at the front end of this crank 14, the legpower that is input to crank shaft 13 is delivered to trailing wheel 9 from planetary gear type speed increasing mechanism 16 described later by sprocket wheel 17, chain 18, flywheel (figure does not show).
Above-mentioned electric driving mechanism has power unit 22, to the battery 23 and the control unit 24 of electrical motor 21 supply powers.Making a concerted effort of the auxiliary force of power unit 22 output motors 21 and pedal force, control unit 24 is the auxiliary force at control motor 21 changeably.
Above-mentioned battery 23 slightly is rectangular shape, and its inside is holding a plurality of series connected Ni-Cd batteries.This battery 23 is along the length direction fixed configurations of the saddle tube 2c front side at this saddle tube 2c.Be provided with on this battery 23 under vehicle-mounted state with the discharge of electrical motor bonded assembly with terminal and charging with terminal (scheming not show), battery 23 can charge under vehicle-mounted state, charges at home after also can taking off from vehicle body.
Above-mentioned power unit 22 is planetary gear type speed increasing mechanism 16 and force testing device 27 are contained in the casing 26 of aluminum dipping form casting and constitute.Casing 26 is made of case body 30 and lid 31, covers the opening of 31 obturations on these case body 30 left side walls, and spiral shell is solid on case body 30.
At the front portion and the rear portion of case body 30 upper walls, form the lug boss 30a, the 30b that extend along the overall width direction respectively.Lug boss 30a, the 30b of case body 30 is between left and right sidewall 5a, the 5b of mounting bracket 5, and bolt 32a, 32a pass lug boss 30a, 30b, by screwing on nut 32b, 32b case body 30 are fastened on the mounting bracket 5.
In the bottom of case body 30, form motor mounting seat 30c, on this mount pad 30c, fixing electrical motor 21 and lid 31 by bolt 37.The S. A. 21a of electrical motor 21 is parallel to crank shaft 13, and S. A. 21a stretches out in case body 30.Extension at this S. A. 21a combines with small diameter gear 40 splines.The two supports of small diameter gear 40 is on case body 30 and lid 31.
Between crank shaft 13 and S. A. 21a, setting axle drive shaft in parallel 41, this axle drive shaft 41 is bearing on case body 30, the lid 31 by bearing 42,42.In the left part of this axle drive shaft 41, by free-wheel clutch 43 gear wheel in large diameter 44 is installed, this gear wheel in large diameter 44 is by small diameter gear 40 engagements of intermediate gear 45 with S. A. 21a.This intermediate gear 45 is provided between axle drive shaft 41 and the S. A. 21a, is bearing on case body 30, the lid 31 by bearing 46,46.Form small diameter gear 41a in the right part of axle drive shaft 41, this gear 41a and the output gear 35a of the axle 35 of making a concerted effort mesh.
Planetary wheel speed increasing mechanism 16 is installed in the direction of principal axis central portion of crank shaft 13.This planetary wheel speed increasing mechanism 16 is provided with sun gear 35b, several planetary wheels 47 and inner gear 48.Sun gear 35b is formed on the inner end of the axle of making a concerted effort.But be contained in to each planetary wheel 47 rotation revolution sun gear 35b around.Inner gear 48 is bowl-shape, with each planetary wheel 47 engagement.This inner gear 48 can be installed on the crank shaft 13 with the relative rotation.Above-mentioned each planetary wheel 47 can be rotated to support on the tooth rest 50, and this tooth rest 50 is contained on the crank shaft 13 by free-wheel clutch 49.
Like this, the pedal force that is input to crank shaft 13 is delivered to the axle 35 of making a concerted effort by planetary wheel speed increasing mechanism 16, is delivered to trailing wheel 9 by sprocket wheel 17, chain 18 again.The propulsive effort of electrical motor 21 is delivered to output gear 35a by small diameter gear 40, intermediate gear 45 and gear wheel in large diameter 44 from axle drive shaft 41, is delivered to trailing wheel 9 here with after merging from the pedal force of bent axle 13.
Direction of principal axis central portion at axle drive shaft 41 is setting vehicle speed detector device 51.This vehicle speed detector device 51 is made of with the reed switch formula car speed sensor 53 relative with this magnet 52 4 magnet 52 that equally spaced is provided in around the axle drive shaft 41.Car speed sensor 51 usefulness bolt are in the diapire of case body 30.In vehicle speed detector device 51, detect the rotation of the magnet 52 of axle drive shafts 41 with reed switch formula sensor 53, the rotation of the magnet 52 of this axle drive shaft 41 be the rotation of crank shaft 13 from planetary wheel speed increasing mechanism 16 pass through output gear 35a, small diameter gear 41a two-stage speedup rotation.Therefore, promptly use few magnet also can have sufficiently high accuracy of detection, can reduce the cost.
Above-mentioned force testing device 27 is provided in the front side of casing 26.The potential device 57 that this force testing device 27 has and be fixed on hook-shaped moment plate 55 of slightly being of inner gear 48 front portions, the dwang of swinging along with the rotation of moment plate 55 56, detect the rotational angle of dwang 56, the dipper crowding gear 58 that moment plate 55 is pushed away toward the reverse turn directions.
The structure of dipper crowding gear 58 is that piston portion 60 can insert in the cylinder portion 59 that is bolted on the case body 30 with advancing and retreat, is setting coil spring 61 between this piston portion 60 and cylinder portion 59.The front end face 55a of moment plate 55 and piston portion 60 butts.
0 adjusting that is screwed onto the potential device on the case body 30 is connected to backstop bolt 62 on the curve of moment plate 55, by the clockwise rotation of these backstop bolt 62 restraining moment plates 55.Sell 63 upright the establishing of the curve of moment plate 55.
Leading section at dwang 56 forms the grooving 56a of portion, and above-mentioned pin 63 is entrenched in the 56a of this grooving portion.The input shaft 64 of potential device 57 is inserted and secured on the base portion of dwang 56, and this potential device 57 is fixed by bolts on the right wall of leading section of case body 30.This potential device 57 detects the rotational angle of input shaft 64, by lead (figure does not show) this detected value is exported to control unit 24.
The substrate 24c of control unit 24 goes up soldering and electronic component 24a, this electronic component 24a can be fixed in the metallic control box 24b with conducting heat, potting resin in the space, this control box 24b releasably is fastened on the heat radiation lug boss 30e that is based in case body 30 by bolt 66.In addition, the first half of control unit 24 is positioned at mounting bracket 5, is surrounded by left and right sides sidewall 5a, 5b and upper wall 5c.
The following describes the action effect of present embodiment.
In the present embodiment, because control unit 24 is fixed along the rear surface of the case body 30 of power unit 22, and form as one with power unit 22, so, compare with collocation type respectively of the prior art, the support that does not need large-scale cover and installation and control unit to use can reduce assembly cost and part cost and use.
Because power unit 22 becomes one with control unit 24, so, can shorten from cell body 24a to electrical motor 21, the distribution length of potential device 57, car speed sensor 51, the distribution of control unit 24 peripheries is oversimplified, also can improve the configuration degree of freedom when being installed on the vehicle body, dwindle configuration space, make whole vehicle body miniaturization.
Because form heat radiation lug boss 30e on the rear surface of case body 30, the control box 24b of control unit 24 is connected on this heat radiation lug boss 30e, so the heat that control unit 24 sends can be shed by case body 30, thereby the temperature that can suppress control unit 24 rises.
In the present embodiment, because the first half of control unit 24 is configured in the mounting bracket 5, this mounting bracket 5 is used for power unit 22 is installed in vehicle frame, the first half of control unit 24 is topped by left and right sides sidewall 5a, the 5b of support 5 and upper wall 5c, so, do not need special-purpose topped parts can prevent the damage of slungshot etc., on this point, can reduce the cost yet.In addition, owing to effectively utilize the rear portion of case body 30 and the space between the support 5 disposes control unit 24, so, can realize miniaturization.
By distribution when being provided in main switch around the handlebar 10, signal lamp etc. and being connected with control unit 24, this distribution is passed in the person in charge 2b, can easily be connected with control unit 24 in support 5, can prevent to expose outside the unitor, appearance is good, also can prevent to damage because of external force.
In addition, owing to control unit 24 is configured in the back side of power unit 22, force testing device 27 is configured in the front, so, with for example control unit, force testing device be configured in be responsible for below with power unit between situation compare, can lower the person in charge's height above ground level, improve to ride and fall convenience.In addition, the interval between the power unit and the person in charge is narrow, can shorten the above-below direction length of mounting bracket 5, can prevent that like this installation rigidity of power unit on this mounting bracket from descending.That is, if control unit, force testing device be configured in be responsible for below and between the power unit, the brachium of the mounting bracket that is used to hang power unit of must extending like this, can make the rigidity reduction.
Fig. 7 to Figure 13 is the figure of the electrically assisted bicycle of explanation claim 3～8 invention one embodiment.Fig. 7 is the left side view of electrically assisted bicycle, and Fig. 8 is the left surface figure of auxiliary drive, Fig. 9～Figure 11 be respectively power unit left side view, planar view, analyse and observe ground plan, Figure 12, Figure 13 are left side view, the constructional drawings of force testing device.Among each figure, the person represents identical or considerable part with Fig. 1 same numeral.
On the vehicle frame 2 of the electrically assisted bicycle 80 of present embodiment, hanging actuating device 81.This actuating device 81 has power unit 83, battery 84, control unit 85 and force testing device 86.81a is the cover of the topped actuating device 81 from the top.The auxiliary driving force of power unit 83 output motors 82 is made a concerted effort with the pedal force that is added to crank shaft 13, and battery 84 is to electrical motor 82 supply powers, and control unit 85 is the auxiliary force at control motor 82 changeably, and force testing device 86 detects pedal force.
Above-mentioned battery 84 slightly is rectangular shape, and its inside is holding a plurality of series connected Ni-Cd batteries.This battery 84 disposes along this pipe 2c at the rear of the saddle tube 2c that constitutes vehicle frame 2, and the bottom of this battery 84 is inlaid in the supported box 88 of bottomless drum shape, and this supported box 88 usefulness bolt 88a are fixed on the upper wall 5c of mounting bracket 5.By above-mentioned setting-in, the discharge male (figure does not show) of cloudy terminal 84a of the discharge of battery bottom and supported box 88 1 sides is electrically connected.Give prominence to upward between the seat stay 7,7 about the upper end of battery 84 is passed through, and supporting with surrounding, so can only come in and go out from last direction by two seat stay 7, saddle tube 2c and rear mudguard 9a.Handle 87a and charging terminal 87b are installed on the top of battery 64.
The front portion and the rear portion of case body 93 upper walls form the lug boss 93a, the 93b that extend along the overall width direction respectively.Lug boss 93a, the 93b of case body 93 is between left and right sidewall 5a, the 5b of mounting bracket 5, and be fastening by bolt 89a, 89a and nut 89b, 89b.On the flange portion of the front end of case body 93, bolt up the flange portion of electrical motor 82, and the S. A. 82a of this electrical motor 82 is perpendicular to crank shaft 13.
Crank shaft 13 is inserted in the case 90 along the overall width direction, and its both ends stretch out in casing foreign side.The left end of crank shaft 13 can be rotated to support on by bearing 96 and covers on 94 the lug boss.Adorning the axle 98 of can counterrotating slightly tubular making a concerted effort in the right-hand end of crank shaft 13 by bearing 97, forming large diameter output gear 98a at this direction of principal axis central portion of making a concerted effort axle 98.The axle 98 of making a concerted effort is rotatably mounted by the lug boss of case body 93 by bearing 99.At the outer end spline of this axle 98 of making a concerted effort in conjunction with sprocket wheel 17.
Direction of principal axis central portion at crank shaft 13 is being adorned planetary wheel speed increasing mechanism 92.But this speed increasing mechanism 92 has the sun gear 100 rotations revolution ground that rotatably is enclosed within on the bent axle 13 and is engaged on 3 planetary wheels 101 around the sun gear 100, meshes with each planetary wheel 101 and be bowl-shape periphery gear 102.Above-mentioned each planetary wheel 101 can be rotated to support on the planetary wheel carrier 104.This planetary wheel carrier 104 is contained on the crank shaft 13 by free-wheel clutch 103, and this free-wheel clutch 103 is used to stop the rotational force of trailing wheel to pass to crank shaft 13.
On the diapire of periphery gear 102, fixing the output gear 98a of the axle 98 of making a concerted effort by rivet.Like this, the pedal force that is input to crank shaft 13 passes to output gear 98a by the periphery gear 102 of planetary wheel speed increasing mechanism 92, is delivered to trailing wheel 9 by sprocket wheel 17, chain 18 again.
On the S. A. 82a (being equivalent to breast roll) of electrical motor 82, adorning planetary roller reduction gear structure 91.This speed reduction gearing 91 has major diameter tubular foreign steamer 110, several planetary rollers 111, rest pin 113.Foreign steamer 110 is being fixed coaxially with S. A. 82a.Each planetary rollers 111 is provided between foreign steamer 110 and the S. A. 82a, joins with S. A. 82a, foreign steamer 110.Rest pin 113 is by the rotatable planetary rollers 111 of bearing 112 supportings.Setting on the both ends of the surface of foreign steamer 111 and limiting each planetary rollers 111 axially movable guide plate 114,115, this guide plate 114,115 is fastened on the flange portion of electrical motor 82 by bolt 116.When being fixed to electrical motor 82 on the case body 93, the outer peripheral face of foreign steamer 110 plays the effect of pit, like this, can make the concentricity of motor reel and aftermentioned geared parts 118 have degree of precision.
The above-mentioned planetary wheel carrier 117 of fixing bottomless drum shape on 113 of respectively selling, the axle in-core of this planetary wheel carrier 117 is being inserted the axial region of output gear parts 118.Output gear parts 118 can be rotated to support on the case body 93 by bearing 119, and these output gear parts 118 mesh with the output gear 98a of the axle 98 of making a concerted effort.The axial region of input gear parts 118 is connected by free-wheel clutch 120 with planetary wheel carrier 117, and this free-wheel clutch 120 stops legpower to be delivered to electrical motor 82 when only depending on manpower to travel.Like this, the propulsive effort of electrical motor 82 is delivered to make a concerted effort axle 98 from planetary wheel carrier 117 by geared parts 118 by planetary roller reduction gear structure 91 back of slowing down, and passes to trailing wheel 9 after merging with legpower from crank shaft 13 here.
The structure that counter-force is born portion 125 is, back plate 127 is by being bolted to the opening part that bears the 93c of portion, this bears the diapire that the 93c of portion forms case body 93 with bloating, in bearing the 93c of portion, disposing coil spring 130, in this coil spring 130, inserting cylindrical rod parts 131, on these cylindrical rod parts 131, form flange 131a, below this flange 131a and between the back plate 127, supported coil spring 130.
The structure of angular detection portion 126 is, potential device 132 bolt ups are on mount pad 93d, and this mount pad 93d is formed on the upper wall of case body 93.The input shaft 133 of this potential device 132 is perpendicular to crank shaft 13, and reaches in the case body 93.Fixing dwang 135 at the front end of input shaft 133, this dwang 135 sees that from the input shaft direction spring of being schemed not show pushes away (seeing Figure 13) to clockwise direction.
Integrally formed 100a of pushing portion that radially extends and detection arm 100b on sun gear 100.Preceding end bearing at pushing arm 100a roller 137, and this roller 137 rolls with the surface of the flange 131a of rod unit 131 and joins.The adjusting at zero point that can be screwed in the case body 93 is connected on the roller 137 with backstop bolt 138 with advancing and retreat, and 138 restriction pushing arm 100a rotate to clockwise direction by this backstop bolt.Detecting the wall 100b of portion is connected on the dwang 135 of input shaft 133.
Be input to the pedal force of crank shaft 13 and the thrust pressure of coil spring 130 and arrive before the balance position, sun gear 100 inhours detect arm 100b thereupon and also rotate to rotation.Like this, input shaft 133 rotates by dwang 135, and potential device 134 detects the anglec of rotation of this input shaft 133, by lead this detected value is inputed to control unit 85.
Upper wall front portion at case body 93 is setting car speed sensor 140.It sets structure, with bolt sensor body 141 is fastened on the mount pad 93e of case body 93, makes the test section 142 of sensor body 141 outstanding in case body 93.Test section 142 has minim gap ground relative with the 102a of tooth portion, and this 102a of tooth portion is formed on the outside of periphery gear 101 with preset space length.The magnetoimpedance that car speed sensor 140 detects with the 102a of tooth portion of periphery gear 102 rotations changes, and by lead 140a this detected value is outputed to control unit 85.The 102a of tooth portion also can form when forging the internal tooth of periphery gear 102 simultaneously.
The first half of control box 85b, potential device 134 and car speed sensor 140 are positioned at mounting bracket 5, by left and right sides sidewall 5a, 5b and the upper wall 5c encirclement of this support 5.
The following describes the action effect of present embodiment.
In the present embodiment, owing to control unit 85, potential device 134 and car speed sensor 140 outer peripheral face along casing 83 disposes and is fixed on this casing 83, so, can reduce assembling procedure and number of parts, cost-cutting.The distribution of control unit 85 peripheries is simplified, and the configuration degree of freedom in the time of improving toward the vehicle body installation makes whole actuating device miniaturization simultaneously, has the effect same with the foregoing description.
In addition, because it is interior and topped by this support 5 that control unit 85, potential device 134 and car speed sensor 140 are configured in mounting bracket 5, can prevent the damage of external force such as slungshot, in addition, can effectively utilize the space between case body 93 and the support 5 and be configured, on this point, also have the effect same with the foregoing description.
In the present embodiment, owing to counter-force being born portion 125 (this counter-force is born the sun gear 100 that portion's 125 pushings are provided with the power unit 83 of planetary wheel speed increasing mechanism 92) and angular detection portion 126 outer peripheral face separate configuration along case body 93, to bear the outstanding size of the 93c of the portion of bearing of case body 93 of portion 125 little so hold counter-force, can make the casing miniaturization.Its result can improve the configuration degree of freedom when power unit 83 installed on vehicle body.
Because the input shaft 133 of angular detection portion 126 is perpendicular to crank shaft 13, so, as shown in figure 12, when under taking off 94 the state of covering, being assembled into angular detection portion 126 on the case body 93, can engaging the pushing arm 100a of sun gear 100 visually and detect arm 100b.Can improve assembleability like this.In addition, because input shaft 133 is perpendicular to crank shaft 13, so, can be configured in angular detection portion 126 in mounting bracket 5 width ranges.
The rod unit 131 that joins is inserted in the coil spring 130 because pushing arm 100a rolls, so can suppress the balance retardance, that is, in the time of can avoiding pedal force to increase and the change of the detected value in when minimizing, avoids tangling and improves the boosting sensation.That is, in the existing apparatus as shown in figure 14, in cylinder portion 207 and insert slidably between wherein the piston portion 208, folder is being established coil spring 204.Sliding resistance because of both when start is easy to generate the balance retardance, in addition, and because of the crooked boosting that makes of piston portion 208 is felt to worsen.
Figure 15 to Figure 21 is the figure of the electrically assisted bicycle of explanation claim 1,9,10 inventions, one embodiment.Figure 15 is the left side view of electrically assisted bicycle, and Figure 16 is the left side view of actuating device, and Figure 17～Figure 20 is respectively the sectional plain-view drawing of power unit, the left side view that unloads the lower cover state, left side view, planar view, and Figure 21 is the constructional drawing of control unit.Described here when being meant by bike state all around all around.
Among the figure, the 1st, electrically assisted bicycle, its vehicle frame 2 is by head pipe 2a, person in charge 2b and saddle tube 2c one be combined into.Head pipe 2a rotatably support front fork 4, and front-wheel 3 can be rotated to support on this front fork 4.Be responsible for 2b and from the beginning manage 2a to oblique rear extension.Saddle tube 2c erects upward from the rearward end of being responsible for 2b.
In the joint portion of being responsible for 2b and saddle tube 2c, mounting bracket 5 is being fixed in welding.This support 5 sees from the side and slightly is circular arc, by making from left and right sidewall 5a, the 5b of cover tube joint portion, the left and right sides with from the metal sheet that the transversal surface that the upper wall 5c between up topped this two side, rear portion constitutes slightly is the コ font.
Leading section to the pair of right and left chain strut 6 of vehicle body rear extension is connected on the above-mentioned support 5, and the upper end of the rearward end of each chain strut 6 and saddle tube 2c is connected by pair of right and left seat stay 7.This chain strut 6 and seat stay 7 are combined into one by rear wheel support 8, and trailing wheel 9 can be rotated to support on this support 8.Handlebar 10 is contained in the upper end of front fork 4, is inserting height-adjustable vehicle seat column jecket 12 in the upper end of saddle tube 2c, and vehicle seat is installed in vehicle seat column jecket 12 upper ends.
The structure of man power driving mechanism is, crank shaft 13 runs through power unit 83 and rotatably is configured in the power unit 83 along the overall width direction, and this power unit 83 is fixed on the above-mentioned support 5.Fixing crank 14 at the two ends of crank shaft 13, adorning rotatable pedal 15 at the front end of this crank 14, the legpower that is input to crank shaft 13 is delivered to trailing wheel 9 from planetary gear type speed increasing mechanism 92 described later by sprocket wheel 17, chain 18, flywheel (figure does not show).
Above-mentioned electric driving mechanism has power unit 83, the battery 84 to electrical motor 82 supply powers, control unit 85 and detects the force testing device 86 of pedal force.Making a concerted effort of the auxiliary force of power unit 83 output motors 82 and pedal force, control unit 85 is the auxiliary force at control motor 82 changeably.
Above-mentioned battery 84 slightly is rectangular shape, and its inside is holding a plurality of series connected Ni-Cd batteries.This battery 84 disposes along this pipe 2c at the rear of the saddle tube 2c that constitutes vehicle frame 2, and the bottom of this battery 84 is inlaid in the supporting box 88 of bottomless drum shape, and this supporting box 88 usefulness bolt 88a are fixed on the upper wall 5c of mounting bracket 5.By means of this setting-in, the discharge male (figure does not show) of cloudy terminal 84a of the discharge of battery bottom and supporting box 88 1 sides is electrically connected.The upper end of battery 84 is being supported by two seat stay 7, saddle tube 2c and rear mudguard 9a by outstanding upward between the left and right sides seat stay 7,7 with surrounding, can only come in and go out from last direction.Handle 87a and charging terminal 87b are installed on the top of battery 64.
Above-mentioned power unit 83 is configuration planetary roller reduction gear structure 91, planetary gear type speed increasing mechanism 92 and force testing device 86 and formations in the Cell 90 (casing) of aluminum dipping form casting.Cell 90 has the case of bottomless drum shape body 93 and lid 94 to constitute by slightly being.Cover 94 obturations and be formed on opening on case body 93 left side walls, releasably be fixed on the case body 93 by bolt 95.
At the front and rear of case body 93 upper walls, form the lug boss 93a, the 93b that extend along the overall width direction respectively.Lug boss 93a, the 93b of case body 93 fixed by bolt 89a, 89a between left and right sidewall 5a, the 5b of mounting bracket 5.At the front opening flange place of case body 93, use bolt the flange portion of electrical motor 82, the S. A. 82a of this electrical motor 82 is configured in the direction perpendicular to crank shaft 13.
Crank shaft 13 is inserted in the Cell 90 along the overall width direction, and the both ends of this crank shaft 13 stretch out in casing foreign side.The left side of crank shaft 13 can be rotated to support on by bearing 96 and covers 94 lug boss.Be formed on the summary tubular that slightly the is bowl-shape periphery gear 155 bottoms axle 155a that makes a concerted effort and be contained in the right-hand end of crank shaft 13 by bearing 97 with the relative rotation.
Peripheral part at the axle 155a that makes a concerted effort is being adorned output gear 156, and this output gear 156 is bearing on the case body 93 by bearing 158.An axle 155a is connected by free-wheel clutch 157 with output gear 156 with joint efforts.When only depending on manpower to travel, this free-wheel clutch 157 prevents that pedal force from passing to electrical motor 82 from output gear 156.Like this, when sailing, can prevent to produce noise because of the engagement of output gear 156 and aftermentioned output gear 152 in the personnel selection Lixing.An axle 155a is rotatably being supported by the lug boss of case body 93 by bearing 99 with joint efforts, and sprocket wheel 17 splines are combined in the outer end of the axle 155a that makes a concerted effort.
Planetary wheel speed increasing mechanism 92 is configured in the direction of principal axis central portion of crank shaft 13 coaxially.But this speed increasing mechanism 92 have the sun gear 100 rotations revolution ground that rotatably is contained on the crank shaft 13 and 3 planetary wheels 101 around this sun gear 100, with each planetary wheel 101 ingear periphery gears 155 engagement.Each planetary wheel 101 can be rotated to support on the tooth rest 104, and this gear planetary wheel frame 104 is contained on the crank shaft 13 by free-wheel clutch 103.Like this, the pedal force that is input to crank shaft 13 by the planetary wheel 101 of planetary wheel speed increasing mechanism 92 pass to periphery gear 155, the axle 155a that makes a concerted effort, be delivered to trailing wheel 9 by sprocket wheel 17, chain 18 again.
Planetary roller reduction gear structure 91 is contained on the S. A. 82a of electrical motor 82.This speed reduction gearing 91 has large diameter cylinder shape foreign steamer 110, several planetary rollers 111 and rest pin 113.Foreign steamer 110 is being fixed coaxially with S. A. 82a.Planetary rollers 111 is provided between foreign steamer 110 and the S. A. 82a, and with S. A. 82a, foreign steamer 110 butts.Rest pin is by the rotatable planetary rollers 111 of bearing 112 supportings.Setting in the both ends of the surface of foreign steamer 111 and to limit each planetary rollers 111 axially movable guide plate 114,115.This guide plate 114,115 is fixed on the flange portion of electrical motor 82 by bolt 116.
Each is sold 113 and is fixed on the circular plate type tooth rest 151 of band lug boss 151a, at this lug boss 151a upper spline in conjunction with the axial region 152a of output gear 152.Output gear 152 and output gear 156 engagements, axial region 152a is bearing on the case body 93 by pair of bearings 153,153.Like this, the propulsive effort of electrical motor 82 by planetary roller reduction gear structure 91 slow down the back, pass to the axle 155a that makes a concerted effort from tooth rest 151, output gear 152 by output gear 156, here with synthetic from the pedal force of crank shaft 13 after pass to trailing wheel 9 again.
The structure that counter-force is born portion 125 is, back plate 127 is by being bolted to the opening that bears the 93c of portion, this bears the diapire that the 93c of portion forms case body 93 with bloating, configuration coil spring 130 in bearing the 93c of portion, in this coil spring 130, inserting cylindrical rod parts 131, on these cylindrical rod parts 131, form flange 131a, below this flange 131a and between the back plate 127, supported coil spring 130.Rod unit 131 slips with the inner face of coil spring 130, extends to the cardinal principle central part of this coil spring 130 always.
The structure of angular detection portion 126 is, sensor body 132 bolt ups are on mount pad 93d, and this mount pad 93d is formed on the upper wall of case body 93.The sensor axis 133 rotatable earth's axis are propped up on sensor body 132, are fixing the potential device 134 that detects these sensor axis 133 rotational angles on sensor body 132.This sensor axis 133 is configured in the direction perpendicular to crank shaft 13, and reaches case body 93 inside.Fixing dwang 135 at the front end of sensor axis 133, this dwang 135 is seen by spring not shown in the figures from the sensor axis direction and is pushed to clockwise direction.
On sun gear 100 integrally formed that extend along radial direction, at Zhou Fangxiang at a distance of the 100a of pushing portion of certain intervals and rotate arm 100b.Front end axle at pushing arm 100a is propping up roller 137, and this roller 137 joins with the top rolling of the flange 131a of rod unit 131.The adjusting at zero point that can be screwed in the case body 93 is connected on the roller 137 with backstop bolt 138 with advancing and retreat, and 138 restriction pushing arm 100a rotate to clockwise direction by this backstop bolt.Rotating arm 100b is connected on the dwang 135 of sensor axis 133.
According to the size of the pedal force that is input to crank shaft 13, sun gear 100 inhours push arm 100a thereupon and also rotate also compression coil spring 130 to rotation, rotate arm 100b simultaneously and by dwang 135 sensor axis 133 are rotated.The rotational angle of potential device 134 detecting sensor axles 133 is exported to control unit 85 to this detected value by lead 134a.
Upper wall front portion at case body 93 is setting car speed sensor 140.Its collocating structure is, forms mount pad 93e on case body 93, with bolt sensor body 141 is fastened on this mount pad 93e, and the test section 142 of this sensor body 141 is reached in the case body 93.Test section 142 has minim gap ground relative with the 155b of tooth portion, and this 155b of tooth portion is formed on the outer peripheral face of periphery gear 155 with preset space length.The magnetoimpedance that car speed sensor 140 detects the tooth portion 155 that changes along with the rotation of periphery gear 155 changes, and by lead 140a this detected value is outputed to control unit 85.The 155b of tooth portion also can form when forging the internal tooth of periphery gear 155 simultaneously.Potential device 134 and car speed sensor 140 are positioned at mounting bracket 5, are surrounded by left and right sides sidewall 5a, the 5b of this support 5 and upper wall 5c.
The following describes the action effect of present embodiment.
Because control unit 85 disposes and is fixed by bolts on this case 90 along the left-external side face of the Cell 90 of power unit 83, so, compare with the existing situation that this Unit two is disposed respectively, the support that can not need large-scale cover and installation and control unit to use, reduced assembling procedure and number of parts, cost-cutting also can be realized miniaturization, lightweight.
Because two unit 83,85 are formed as one, so, can shorten the distribution length of control box 85 and electrical motor 82, potential device 134, car speed sensor 140 etc., the distribution of control unit 85 peripheries is simplified, can also suppress noise, improve the configuration degree of freedom when on vehicle body, installing.
Because effectively utilize the spatial allocation control unit 85 between unit box 90 and the crank 14, so, the expansion of configuration space can be avoided.In addition, because the control unit of topped cell body 85b lid 85c is to foreign side's configuration, thus can prevent the damage of slungshot etc., and this control unit lid 85c also can be used as decorative element, can not need special trim board etc.
Because the lug boss 85f of control unit 85 and the radiating seat 94a butt that is formed on unit box 90 1 sides, so the heat that control unit 85 produces can be shed by unit box 90, the temperature that has suppressed cell body 85b rises.In addition, the wind that travels acts on the control unit lid 85c of control unit 85 easily, also can suppress the temperature rising from this aspect.
In the present embodiment, owing to form the through hole 85a that passes for crank shaft 13 at the central portion of control unit 85, so, can avoid interference with crank shaft 13.Control unit 85 is configured in the side of Cell 90, easily this control unit 85 is made rational shape, improve outward appearance and hold efficient.
Owing to the opposition side that control unit 85 is configured in sprocket wheel 17, so the configuration balance of left and right directions also can improve outward appearance and hold efficient on this point.
In addition, because control unit 85 is configured in the outside of unit box 90, so, compare easier maintenance and the replacing of carrying out control unit 85 when being configured in the inboard.
Claims (10)
1. an electric auxiliary vehicle has power unit and control unit; Power unit is the output of making a concerted effort of pedal force that is input to crank shaft and electrical motor auxiliary force, and control unit is the auxiliary force at control motor changeably; It is characterized in that control unit disposes along the crank shaft outer radial periphery face of power unit casing, and releasably is fixed on this casing.
2. electric auxiliary vehicle as claimed in claim 1 is characterized in that, at least a portion of control unit is seen from the side be configured in snugly in the mounting bracket that this mounting bracket is installed in power unit on the vehicle frame.
3. an electric auxiliary vehicle has power unit, pedaling force sensor and control unit; Power unit output is added to the pedal force of crank shaft and making a concerted effort of electrical motor auxiliary force, pedaling force sensor detection pedal force, and control unit is according to the detected pedal force of the pedaling force sensor auxiliary force at control motor changeably; It is characterized in that control unit and pedaling force sensor dispose along the crank shaft outer radial periphery face of power unit casing, and releasably are fixed on this casing.
4. electric auxiliary vehicle as claimed in claim 3, it is characterized in that, power unit has sun and planet gear, this planetary mechanism and crank shaft dispose coaxially, pedal force is input to the output of the either party from inner gear or sun gear behind the planetary wheel, counter-force in the above-mentioned pedaling force sensor is born portion and is become with angular detection part open form, and this counter-force is born the crank shaft outer radial periphery face configuration along above-mentioned casing of portion and angular detection portion; The above-mentioned counter-force portion of bearing make any the opposing party's antagonism in inner gear or the sun gear on this opposing party counter-force and rotate, this opposing party's rotational angle detects in above-mentioned angular detection portion.
5. electric auxiliary vehicle as claimed in claim 4 is characterized in that, the S. A. of above-mentioned angular detection portion is configured in the direction perpendicular to crank shaft.
6. as each the described electric auxiliary vehicle in the claim 3 to 5, it is characterized in that, see from the side to the part of major general's pedaling force sensor to be configured in snugly in the mounting bracket that this mounting bracket is used for power unit is installed in vehicle frame.
7. as each the described electric auxiliary vehicle in the claim 3 to 6, it is characterized in that, detect of the crank shaft outer radial periphery face configuration of the car speed sensor of the speed of a motor vehicle, and releasably be fixed on this casing along the power unit casing.
8. as each the described electric auxiliary vehicle in the claim 3 to 7, it is characterized in that, above-mentioned control unit, pedaling force sensor, car speed sensor at least a portion is separately seen from the side be configured in snugly in the above-mentioned mounting bracket.
9. electric auxiliary vehicle as claimed in claim 1 is characterized in that above-mentioned control unit has through hole, and above-mentioned crank shaft passes this through hole.
10. as claim 1 or 9 described electric auxiliary vehicles, it is characterized in that above-mentioned control unit is provided in a side of crank shaft, be positioned at the opposition side that takes out the sprocket wheel of making a concerted effort from power unit.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8173798A JPH1022898A (en) | 1996-07-03 | 1996-07-03 | Method and device for radio communication |
| JP173798/96 | 1996-07-03 | ||
| JP174945/96 | 1996-07-04 | ||
| JP17494596A JPH1016870A (en) | 1996-07-04 | 1996-07-04 | Motor assisted vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1172048A true CN1172048A (en) | 1998-02-04 |
Family
ID=26495634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97114091 Pending CN1172048A (en) | 1996-07-03 | 1997-07-03 | Electric auxiliary vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1172048A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100343110C (en) * | 2002-09-27 | 2007-10-17 | 本田技研工业株式会社 | Electric booster bicycle |
| CN107336795A (en) * | 2016-04-28 | 2017-11-10 | 雅马哈发动机株式会社 | Electrically assisted bicycle |
| CN114789767A (en) * | 2022-03-15 | 2022-07-26 | 苏州绿的谐波传动科技股份有限公司 | A method of assembling a power-assisted bicycle driving device |
-
1997
- 1997-07-03 CN CN 97114091 patent/CN1172048A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100343110C (en) * | 2002-09-27 | 2007-10-17 | 本田技研工业株式会社 | Electric booster bicycle |
| CN107336795A (en) * | 2016-04-28 | 2017-11-10 | 雅马哈发动机株式会社 | Electrically assisted bicycle |
| CN107336795B (en) * | 2016-04-28 | 2020-01-14 | 雅马哈发动机株式会社 | Electric auxiliary bicycle |
| US10661858B2 (en) | 2016-04-28 | 2020-05-26 | Yamaha Hatsudoki Kabushiki Kaisha | Electric-motor-assisted bicycle |
| CN114789767A (en) * | 2022-03-15 | 2022-07-26 | 苏州绿的谐波传动科技股份有限公司 | A method of assembling a power-assisted bicycle driving device |
| CN114789767B (en) * | 2022-03-15 | 2023-09-01 | 苏州绿的谐波传动科技股份有限公司 | Assembling method of power-assisted bicycle driving device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1071659C (en) | Electric moving aid vehicle | |
| CN1200844C (en) | Gear shifting device, commutator structure and brake device for wheel motor | |
| CN1191959C (en) | Motor assisted bike and power device | |
| CN1288030C (en) | Mounting structure of handle switch | |
| CN1385333A (en) | Light motor cycle type vehicle | |
| CN1301227A (en) | Electric vehicle and frame thereof | |
| CN1701981A (en) | Hub unit for use in electrically movable wheels and vehicle comprising the hub unit | |
| CN1274663A (en) | Light and small motorbicycle | |
| CN1836948A (en) | Drive controller for hybrid vehicle | |
| CN1071662C (en) | Electrically-powered mopeol | |
| JP3617728B2 (en) | Electric auxiliary vehicle | |
| CN1290632A (en) | Electric booster device for electric booster vehicle | |
| CN1186227C (en) | Vehicle with auxiliary power | |
| CN100338352C (en) | Jp2005104444 | |
| EP0822133A1 (en) | Electric motor-assisted bicycle | |
| CN1231381C (en) | Lamp Assembling structure for motor cycle | |
| CN1172048A (en) | Electric auxiliary vehicle | |
| CN1276857C (en) | Battery assembling-disassembling structure for electric two-wheeled motorcycle | |
| US20220410999A1 (en) | Electric power generator for human-powered vehicle | |
| CN1944167A (en) | Motorcycle | |
| JPH1016870A (en) | Motor assisted vehicle | |
| CN100343110C (en) | Electric booster bicycle | |
| CN1340427A (en) | Auxiliary machine mounting structure of engine | |
| JP3942772B2 (en) | Series hybrid electric motorcycle | |
| CN1317488C (en) | Topping cam engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |