CN106741426A - Electric folding tricycle - Google Patents

Abstract

Present invention is disclosed electric folding tricycle, including power drive system, brake system, the foresteerage gear of front-wheel is set, the Rear frame of trailing wheel is set and cushion and the cushion branch pipe that can be overturn with respect to Rear frame is provided with, pivotally connected two parallel connecting rods on foresteerage gear, the first electric drive mechanism of drive link rotation is provided between foresteerage gear and connecting rod, two connecting rods, the pivotally connected actuator of pull bar of Rear frame and pivotally connected cushion branch pipe, actuator is locked and discharged by locking relieving mechanism, locking relieving mechanism includes the draw-in groove set on the lock piece and actuator of pivotally connected Rear frame, lock piece connection drives the Manual drive mechanism of its upset, second electric drive mechanism and resetting-mechanism.The present invention can easily realize electric foldable and expansion, be folded and expansion efficiency so as to substantially increase, and be combined using more convenient and manually operated and electric operating, and workable, folding mode is various.

Description

Electric folding tricycle

Technical field

The present invention relates to a kind of tricycle, especially a kind of electric folding tricycle.

Background technology

With the continuous improvement of people's quality of life, energy-saving and environmental protection, light, diversity for the vehicles, complementarity And the demand of aesthetic property is also more and more urgent.

Electric power is widely used in production and lives as a kind of environmental protection, cleaning, the conversion ratio important energy high, electric motor car As green rising industry, as the relatively low short-distance and medium-distance traffic work of a kind of energy-conserving and environment-protective, convenient, use cost of going on a journey Tool, with larger mass foundation and market prospects.

And tricycle, as the term suggests, including three electric motor cars or bicycle or automobile of wheel, because it is relative to two wheels The many wheels of car are contacted with ground, are being easy to produce the wet-skid road surface of sideslip, have very unique stability advantage, significantly Reduce riding personnel to break away the possibility fallen down, under complicated landform ground surface environment, driving safety has compared with two wheeler and significantly carries Rise；With the arrival of China human mortality aging, the trip of the elderly and the disabled needs, therefore storage battery tricycle turns into special energy Adapt to one of best vehicles of the elderly and the disabled.The most structure of tricycle on the market is two, a front-wheel at present Trailing wheel, as shown in Chinese patent CN2012100896528 and CN2014800145526.

But existing folding tricycle, be essentially all it is manually operated folded, it is and whole due to above-mentioned patent Fold mechanism is complex, folds and needs the multiple parts of operation could to realize when launching, thus fold, the operation that launches it is numerous Trivial, process is more, time and effort consuming, and operability is poor, and because foldable structure is complicated, it is difficult to electric foldable is carried out, therefore is also rarely had The folding tricycle of electric foldable can be carried out.

But existing tricycle volume is big, be unfavorable for placement, therefore in the market also designs a part of foldable three Wheel car, such as Chinese patent application of Application No. 2013800540944 and Application No. 2009101311581, but these can Also there are some obvious defects in folding tricycle,

For example, the folding tricycle in above-mentioned two patent application, after folding, front-wheel has a certain degree or front-wheel with trailing wheel There is difference in height with trailing wheel, therefore inconvenience is carried out in a folded configuration, because electro-tricycle general structure is big, therefore Inconvenience is carried.

Meanwhile, such as 2013800540944 patent application, the complicated integral structure of tricycle, after folding, the space of occupancy Still it is larger, and due to no effective supporting construction, therefore be not easy to put, also there are other some foldable structures certainly, Integrated level, fitness between part be not high, causes folding effect undesirable.

Finally, due to the presence of fold mechanism, the multiple parts in fold mechanism often have certain activity, therefore In the deployed state, it is desirable to have certain fixed structure will not occur unexpected activity to ensure each part, cause security incident.

The content of the invention

The purpose of the present invention is exactly to solve the above-mentioned problems in the prior art, there is provided a kind of simple structure, behaviour Make easily electric folding tricycle.

The purpose of the present invention is achieved through the following technical solutions：

Electric folding tricycle, including power drive system and brake system, also including setting the foresteerage gear of a front-wheel, setting Put two trailing wheels Rear frame and be provided with cushion and can relatively described Rear frame upset cushion branch pipe, the front-wheel steer One end of pivotally connected two parallel connecting rods in mechanism, is provided between the foresteerage gear and connecting rod and is driven with the electricity The first electricity that dynamic system is connected and drives pivot connection point of the connecting rod with it with the foresteerage gear as axis rotation Drive mechanism, two equal pivots of pull bar of the other end of the connecting rod, one end of Rear frame and the pivotally connected cushion branch pipe Connection actuator, the actuator is locked and discharged by locking relieving mechanism, and the locking relieving mechanism includes pivot Connect the draw-in groove matched with the lock piece set on the lock piece and the actuator of the Rear frame, the lock piece Connection drives the second electric drive mechanism and the reset machine of Manual drive mechanism and the Manual drive mechanism cooperation of its upset Structure.

Preferably, described electric folding tricycle, wherein：The foresteerage gear includes supporting sleeve, the branch The upper end for having steering tube, the steering tube is provided with tap handle in support set pipe, its lower end is provided with front-wheel Mounting bracket；Connector is additionally provided with the supporting sleeve outer wall, the 4th pivot with difference in height is provided with the connector Axis hole and the 5th pivot hole, the 4th pivot hole at higher position are less than the Wushu to the distance of the supporting sleeve Distance of the axis hole to the supporting sleeve.

Preferably, described electric folding tricycle, wherein：It is provided with the Rear frame for being supported in deployed condition The support bar of the cushion branch pipe.

Preferably, described electric folding tricycle, wherein：The Rear frame position pivotally connected with the actuator Both sides be symmetrically arranged with lift-pull handle.

Preferably, described electric folding tricycle, wherein：Position-limit mechanism is additionally provided between two connecting rods, institute Stating position-limit mechanism includes the upper clamping block being arranged in upper connecting rod and the lower clamping block being arranged on the lower link,

Under deployed condition, the upper clamping block is spacing with lower clamping block clamping；

Under folded state, the upper clamping block is separated with lower clamping block.

Preferably, described electric folding tricycle, wherein：The first electric drive mechanism includes motor, drive rod, leads to Overdrive circuit controls the first control button of the motor positive and inverse, the motor be arranged on the foresteerage gear and One end of the drive rod is connected on its output shaft, the other end of the drive rod is fixed in upper connecting rod.

Preferably, described electric folding tricycle, wherein：The position of the pivot connection point of the pull bar and cushion branch pipe Higher than the cushion branch pipe and the position of the pivot connection point of Rear frame.

Preferably, described electric folding tricycle, wherein：The actuator includes the first pivot of distribution triangular in shape Hole, the second pivot hole and the 3rd pivot hole, the distance between first pivot hole and the second pivot hole are equal to the 4th pivot The distance between axis hole and the 5th pivot hole, connect one end of the upper connecting rod, second pivot at first pivot hole One end and the Rear frame of the lower link are connected at hole, one end of the pull bar is connected at the 3rd pivot hole.

Preferably, described electric folding tricycle, wherein：The Manual drive mechanism includes at least one set of activation button And mounting cup, the activation button can stretch in the mounting cup and it passes through connecting rod and connects the lock piece；It is described Resetting-mechanism is disposed on torsion spring at the pivot connection point of the lock piece and Rear frame or one end is fixed on the driving On button, the other end is fixed on the spring on the mounting cup.

Preferably, described electric folding tricycle, wherein：The second electric drive mechanism includes electric expansion bar, the Two control buttons and delay control circuit, the electric expansion bar are arranged under the front of the activation button and normality and institute State activation button and keep gap, second control button controls the electric expansion bar to stretch out by controlling circuit, described to prolong When the control control electric expansion bar retracted automatically after setting time is stretched out.

The beneficial effects are mainly as follows：

Deft design of the present invention, simple structure, using the locking relieving mechanism of electronic and manual combination, can quickly be realized driving The release of moving part, with reference to overall foldable structure, can easily realize electric foldable and expansion, simplify artificial folding, launch Operating procedure, fold and launch efficiency so as to substantially increase, use and more facilitate, and manually operated and electric operating knot Close, workable, folding mode is various.

Combination type spacing mechanism between linking rod such that it is able to the stability of complete vehicle structure fixation is effectively ensured, carries High security.

After due to folding, three wheels are still in parastate, and front and back wheel does not exist difference in height, therefore, it is possible to pass through lifting Handle realizes the implementation of vehicle, is easy to carry out in a folded configuration the carrying of vehicle, and due to after folding each part it is relative Position is compacter, therefore the folding effect of tricycle is more preferable, occupies little space, moulded attractive in appearance, in the absence of prominent portion Part, security is more preferably.

The present invention is centered on actuator and drives multiple parts pivotally connected with it to link, so as to realize the folding of vehicle Folded, the close relation of each part, linkage are strong, and after folding, mainly in axial distribution, occupancy horizontal space is small, separately for agent structure Outward, because foldable structure is ingenious, therefore folding and deployment step are few, simple to operate, are easy to use.

By the structure setting of connector, ensure that folded state lower link is parallel with supporting sleeve, so as to ensure it Between compactedness.

Brief description of the drawings

Fig. 1 is folding tricycle deployed condition sectional view of the invention；

Fig. 2 is folding tricycle deployed condition stereogram of the invention；

Fig. 3 is folding tricycle folded inside mechanism stereogram of the invention；

Fig. 4 is the enlarged drawing of a-quadrant in Fig. 3；

Fig. 5 is folding tricycle folded state stereogram of the invention；

Fig. 6 is folding tricycle folded state sectional view of the invention.

Specific embodiment

The purpose of the present invention, advantage and feature, by by the non-limitative illustration of preferred embodiment below carry out diagram and Explain.These embodiments are only the prominent examples using technical solution of the present invention, it is all take equivalent or equivalent transformation and The technical scheme of formation, all falls within the scope of protection of present invention.

Present invention is disclosed a kind of electric folding tricycle, including power drive system and brake system, the electric drive trains System includes

Battery（Not shown in figure）, for being powered for whole power drive system, it is arranged in following Rear frames 4 and positioned at following seats The rear of advance expenditure pipe 5,

Speed regulating handle, for adjusting speed, is arranged in following tap handles 33；

Motor（Not shown in figure）, for driving the front-wheel or trailing wheel, it can be integrated on following front-wheels 110, it is also possible to It is connected with trailing wheel 120 by transmission mechanism；

And control circuit（Not shown in figure）, for controlling whole power drive system to run.

Further, as shown in accompanying drawing 1- accompanying drawings 3, the electric folding tricycle also include foresteerage gear 3, it is described before Wheel steering mechanism 3 includes supporting sleeve 31, rotatably arranged with having steering tube 32, the steering tube 32 in the supporting sleeve 31 Upper end be provided with tap handle 33, at least one brake hand is provided with the tap handle 33 140, the steering tube 32 Lower end be provided with front-wheel mounting bracket 34, the furcation of the front-wheel mounting bracket 34 connects the front-wheel 110, institute by front axle State and front wheel guard 36 is additionally provided with front-wheel mounting bracket 34.

Certainly in other embodiments, the tap handle 33 can also with can be stretched in the supporting sleeve 31 and with The telescoping tube connection that the steering tube is tightened or loosened.

Connector 35 is additionally provided with the outer wall of the supporting sleeve 31, the connector 35 includes channel-shaped body, described The 4th pivot hole 351 and the 5th pivot hole 352 with difference in height are provided with body, the 4th pivot at higher position Distance distance less than fiveth pivot hole 352 to the supporting sleeve 31 of the hole 351 to the supporting sleeve 31.

Distinguish pivotally connected one as shown in accompanying drawing 1, accompanying drawing 3, at the 4th pivot hole 351 and the 5th pivot hole 352 to draw One end of bar 2, two pull bars 2（Upper connecting rod 21 and lower link 22）The pivotally connected actuator 1 of the other end, and institute State upper connecting rod 21 and lower link 22 remains parastate, the one end pivotally connected with the actuator 1 of the upper connecting rod 21 Be additionally provided with the 6th pivot hole, one end of the pivotally connected follower lever 150 of the 6th pivot hole, the follower lever 150 it is another Provided at one connects fixture 160 fixed in the Rear frame 4, is provided with the fixture 160 and draws connection for pivot The pivot attachment apertures of the follower lever 150（Not shown in figure）.

As shown in Figure 2, it is provided between the foresteerage gear 3 and connecting rod 2 and is connected simultaneously with the power drive system Drive first electric drive mechanism of pivot connection point of the connecting rod 2 with it with the foresteerage gear 3 as axis rotation 170, the first electric drive mechanism 170 includes motor 171, drive rod 172, is controlling the motor 171 just by drive circuit First control button of reversion（Not shown in figure）, the motor 171 is arranged at the supporting sleeve 31 of the foresteerage gear 3 One end of the drive rod 172 is connected on upper and its output shaft, the other end of the drive rod 172 is fixed in upper connecting rod 21, The motor 171 drives the drive rod 172 and then drives the upper connecting rod 21 to overturn, first control button（In figure not Show）It is preferably disposed in the tap handle 33.

Certain first electric drive mechanism 170 can also be other feasible mechanisms, such as be provided in the support set Structure of expansion link between pipe 31 and second connecting rod 21 etc..

Also, as shown in accompanying drawing 1, accompanying drawing 6, position-limit mechanism 7, institute are additionally provided between the upper connecting rod 21 and lower link 22 State position-limit mechanism 7 include being arranged in the upper connecting rod 21 and towards the lower link 22 upper clamping block 71 and be arranged at institute The lower clamping block 72 stated on lower link 22 and matched with the upper clamping block 71, the upper clamping block 71 is cuboid or square Square, the lower connecting block 72 is step-like square, and the distance of the upper clamping block 71 to the 4th pivot hole 351 is big In the distance of the lower clamping block 72 to the 5th pivot hole 352,

Under deployed condition, the upper clamping block 71 is spacing with the clamping of lower clamping block 72；

Under folded state, the upper clamping block 71 is separated with lower clamping block 72.

In addition, in the present embodiment, as shown in Figure 1, the actuator 1 is preferably fillet triangular cube body, and it includes one Individual upper plane and positioned at the upper plane both sides and the two rounded triangle sides vertical with the upper plane, described in two Rounded triangle side is preferably equilateral or isosceles rounded triangle, and gap between them is more than the He of the upper connecting rod 21 The width of lower link 21, certainly in other embodiments, the actuator 1 can also be other feasible shapes, herein no longer Repeat.

The first pivot hole 11, are provided with two the three of rounded triangle side fillet positions of the actuator 1 Two pivot holes 12 and the 3rd pivot hole 13, the height of the pivot hole 13 of first pivot hole 11 and the 3rd is higher than second pivot Hole 12, meanwhile, the distance between rear pivot shaft hole 12 of first pivot hole 11 and second is equal to the 4th pivot hole 351 and the The distance between five pivot holes 352, connect one end of the upper connecting rod 21, second pivot hole at first pivot hole 11 One end of the lower link 22 is connected at 12, so that the upper connecting rod 21 and lower link 22 remain parastate.

Further, as shown in Figure 1, the actuator 1 is also connected with the Rear frame 4 linked with it and cushion branch pipe 5.

Specifically, as shown in accompanying drawing 1- accompanying drawings 3, it is also pivotally connected described at the second pivot hole 12 on the actuator 1 Rear frame 4 includes the grid-like framework 41 of specular, two nets near one end of the front-wheel 110, the Rear frame 4 Lattice frames 41 are connected and between them with the gap for installing the actuator 1 and cushion branch pipe 5 by connecting rod 42；Two grid-like frameworks 41 are away from being respectively provided with a trailing wheel 120 and rear catch on the outside of one end of the actuator 1 Mud plate 45；It is additionally provided with the Rear frame 4 from the Rear frame 4 and one end that actuator 1 is connected and extends to the cushion branch The U-shaped position-limiting cover 43 at the rear of pipe 5 and the battery settling groove 44 positioned at the rear of cushion branch pipe 5.

One end of pivotally connected pull bar 6 at the 3rd pivot hole 13 on the actuator 1, the pull bar 6 it is another End pivoting connects the cushion branch pipe 5, and the cushion branch pipe 5 is pivotally connected in the Rear frame 4.

Detailed, as shown in accompanying drawing 1, accompanying drawing 6, the cushion branch pipe 5 includes standpipe 51, the first pivot connection 52 and the Two pivot connections 53, a telescopic cushion connecting rod and the cushion connecting rod of being provided with is by lock in the standpipe 51 Tight part is locked and unclamped with the standpipe 51, and cushion 130 is provided with the top of the cushion connecting rod；Described first is pivotally connected Portion 52 is located at the lower half of the standpipe 51 and higher than second pivot connection 53, and second pivot connection 53 is located at In the bottom sidewall of the standpipe 51 and perpendicular setting, the pivotally connected pull bar 6 in the first pivot connection 52 it is another The pivot connection point of one end, the pivotally connected Rear frame 4 in the pivot connection 53, therefore the pull bar 6 and cushion branch pipe 5 Position of the position higher than the pivot connection point of the cushion branch pipe 5 and Rear frame 4, consequently facilitating when folding, pulling the seat The relatively described Rear frame 4 of advance expenditure pipe 5 is overturn.

During due to deployed condition, as shown in Figure 1, the standpipe 51 in the cushion branch pipe 5 is in the Rear frame 4 and hangs down Straight state, and because cushion branch pipe 5 needs to bear the gravity of driver, therefore it is necessary to ensure there are enough enabling capabilities, and The cushion branch pipe 5 and Rear frame 4 are only had pivotally connected place and are supported by an axle, other regions be it is hanging, because This, in order to provide support force preferably to the cushion branch pipe 5, is fixedly provided with support bar 8 at the gap 42, ensure that The stability of strutting system of the cushion branch pipe 5.

Further, as shown in accompanying drawing 3- accompanying drawings 5, the actuator 1 is locked and released by locking relieving mechanism 10 Put, the locking relieving mechanism 10 includes lock piece 101 and matched draw-in groove 102, the lock piece 101 includes two tools Have circular arc end face locking projection 1011 and its be pivotally connected in the gap 42 of the Rear frame 4, two locking projections There is interval, the draw-in groove 102 is arranged on two grabs of rounded triangle side of the actuator 1, institute between 1011 Stating snap fit has the curved end matched with the locking projection 1011, and the lock piece 101 is also connected with driving it relatively described The second electric drive mechanism 180 that the Manual drive mechanism 103 and the Manual drive mechanism 103 that Rear frame 4 is overturn coordinate And resetting-mechanism 104.

As shown in Figure 4, the Manual drive mechanism 103 includes at least one set of activation button 1031 and mounting cup 1032, the activation button 1031 can stretch in the mounting cup 1032 and it passes through connecting rod 1033 and connects the lock piece 101, the Manual drive mechanism 103 drives the lock piece 101 to overturn and makes locking projection 1011 thereon from the draw-in groove Exited in 102, so as to discharge the actuator 1.

As shown in Figure 2, the second electric drive mechanism 180 includes electric expansion bar 181, the second control button and prolongs When control circuit（Not shown in figure）, the electric expansion bar 181 is arranged at the front of the activation button 1031 and is fixed on In the Rear frame 4, gap is kept under normality with the activation button 1031, second control button is preferably disposed on described In tap handle 33, and the electric expansion bar 181 is controlled to stretch out by controlling circuit, the delays time to control control is described electronic Expansion link is retracted automatically after setting time is stretched out；And the control circuit and delay control circuit are all connected to the electricity and drive In dynamic system.

Certainly, in other embodiments, second drive mechanism 180 can also be other feasible delivery devices, such as Telescopic cylinder etc..

As shown in Figure 1, the resetting-mechanism 104 is disposed on the pivot connection point of the lock piece 101 and Rear frame 4 Torsion spring or one end at 105 are fixed in the activation button 1031, and the other end is fixed on the bullet on the mounting cup 1032 Spring, the resetting-mechanism 104 is used to drive the reverse flip of the lock piece 101 to reset.

The both sides of the position pivotally connected with the actuator 1 of the Rear frame 4 are symmetrically arranged with lift-pull handle 9, are easy to Carry out the folding and carrying of vehicle.

When needing for the electric folding tricycle of invention to carry out hand foldable, its process is as follows：

The activation button 1031 is pressed first, and the connecting rod 1033 being connected with the activation button 1031 promotes the lock piece 101 pivot connection point around it with the Rear frame 4 is rotated, so that locking projection 1011 on the locking member 101 is from institute State and exit in draw-in groove 102, now, the actuator 1 is no longer influenced by the limitation of the locking relieving mechanism 10, can be with activity.

Then, the lift-pull handle 9 is lifted upwards, because the lift-pull handle 9 is fixed with the Rear frame 4, at this moment, with attached As a example by Fig. 1, one end that the Rear frame 4 is connected with the actuator 1 is subject to the pulling force towards upper right, and its other end is subject to certainly The downward gravity of body, therefore, the Rear frame 4 is tilted with the upward lifting in one end that the actuator 1 is connected, also, with institute One end constantly upward lifting tilting that Rear frame 4 is connected with the actuator 1 is stated, the Rear frame 4 is connected with actuator 1 One end progressively reduces to the horizontal range of one end of the connection trailing wheel 120 of the Rear frame 4, and minimum is reached when completing and folding.

While the upward lifting in vehicle frame 4 and one end that the actuator 1 is connected is tilted in the rear, the actuator 1 and Lower link 21 follows the Rear frame 4 to be moved to direction is tilted with one end that actuator 1 is connected, so that the actuator 1 leaves The lock position corresponding with the lock piece 101, now, unclamps the activation button 1031, and the lock piece 101 is described Resetted under the reaction force of torsion spring or spring.

Because one end that the actuator 1 and lower link 22 are connected with actuator is moved to direction is tilted, so as to drive One end that the upper connecting rod 21 is connected with the actuator 1 is also moved to tilting direction, due to the upper connecting rod 21 and lower link 22 pulling force by being moved to tilting direction（Towards the pulling force of upper right）, therefore pull the foresteerage gear 3 and front-wheel 110 is overall to the movement of the direction of the trailing wheel 120, so that the distance between the front-wheel 110 and trailing wheel 120 progressively reduce；Meanwhile, 3 pairs of upper connecting rods 21 of the foresteerage gear and lower link 22 produce reaction force, the reaction force to pass through upper connecting rod 21 and lower link 22 act on the actuator 1 so that the actuator 1 produce counterclockwise upset, with the upper company Bar 21 and lower link 22 and the continuous lifting in one end that actuator 1 is connected and the extremely upper connecting rod 21 and lower link 22 and the support When sleeve pipe 31 is parallel, the upper connecting rod 21 and lower link 22 are locked cannot be further continued for rotating, and whole folding stand cannot be after It is continuous to fold, that is, complete to fold.

While the actuator 1 overturns, it applies a drawing towards the direction of the front-wheel 110 to the pull bar 6 Power, so that the pull bar 6 pulls the cushion branch pipe 5, so that the cushion branch pipe 5 is around its pivot with the Rear frame 4 Tie point 105 is rotated counterclockwise, and is progressively pressed close to the Rear frame.

When final folding is completed, as shown in accompanying drawing 5, accompanying drawing 6, three planes where the front-wheel 110 and trailing wheel 120 are still Right keeping parallelism, the plane that their minimum point is formed and horizontal plane keeping parallelism and the front-wheel 110 and the part of trailing wheel 120 Overlap；Meanwhile, the connecting rod 2 is parallel with supporting sleeve 31 and main part of the lower link 22 exists with the Rear frame 4 Partially overlap, the Rear frame 4 is parallel with the standpipe 51 in cushion branch pipe 5 or forms wedge configuration, the standpipe 51 and pull bar 6 Parallel and described standpipe 51 is located in the notch of the U-shaped position-limiting cover 43；In addition, the connecting rod 2, supporting sleeve 31, Rear frame 4th, in cushion branch pipe 5 standpipe 51, pull bar 6 etc. are vertically extending, and they are respectively positioned on the front-wheel 110 and trailing wheel 120 is covered In the horizontal space of lid.

When needing for the electric folding tricycle of invention to carry out electric foldable, its process is as follows：

Second control button is first pressed, is started the electric expansion bar 181 and is stretched out and prop up and promote the activation button 1031 move to the direction of trailing wheel 120, and the connecting rod 1033 being connected with the activation button 1031 promotes the lock piece 101 around it Rotated with the pivot connection point of the Rear frame 4, so that locking projection 1011 on the locking member 101 is from the draw-in groove Exited in 102, now, the actuator 1 is no longer influenced by the limitation of the locking relieving mechanism 10, can be with activity.

Then press first control button and secure the above foresteerage gear 3, shown in accompanying drawing 2, to start institute Stating motor 171 drives the upper connecting rod 21 to rotate counterclockwise, and because the upper connecting rod 21 is rotated up, the actuator 1 is followed Upper connecting rod 21 is moved, so as to leave the lock position corresponding with the lock piece 101, when the time delay for reaching the delay circuit After time, the electric expansion bar 181 is retracted, so that the lock piece 101 is multiple under the reaction force of the spring or torsion spring Position.

Because the actuator 1 follows upper connecting rod 21 to move, thus drive the lower link 22 it is synchronous rotate counterclockwise with And drive the Rear frame 4 synchronously to rotate clockwise tilting, also, stuck up as the upper connecting rod 21 is constantly rotated counterclockwise Rise, the distance between the upper connecting rod 21 and supporting sleeve 31 are gradually reduced, meanwhile, 2 pairs of drives of the actuator 1 of the connecting rod Power can apply a pulling force for oblique direction to the left to the Rear frame 4 and pull bar 6, so as to drive the Rear frame 4 to stick up While rising, moved to the direction of the foresteerage gear 3 together with the trailing wheel 120, and the pull bar 6 is pulled described standing Pipe 51, so that the cushion branch pipe 5 is rotated counterclockwise with its pivoting point being connected with Rear frame.

To the upper connecting rod 21 upwarp to it is parallel with the supporting sleeve 31 when, complete to fold, state after folding and upper The state of the hand foldable stated is identical.

When needing to launch electric folding tricycle of the invention, exerted a force to the front-wheel 110 and/or trailing wheel 120, made The trailing wheel 120 is separated with front-wheel 110, and now, the connecting rod 2 and Rear frame 4 are downward with one end that the actuator 1 is connected It is mobile, so that connecting rod 2 and Rear frame 4 are recovered from tilting state to lying status, and then drive actuator 1 to move down, when When the actuator 1 is moved down, the curved end of the snap fit on the actuator 1 can be with the locking projection of the lock piece 1 1011 circular arc end contact, and the lock piece 1 can be promoted to rotate clockwise, when the actuator 1 reaches lock position, The lock piece 101 is rotated counterclockwise and made in the draw-in groove 102 that locking projection 1011 thereon is snapped onto on the actuator 1； Meanwhile, the upper clamping block 71 and lower clamping block 72 are in the deformation process of the upper connecting rod 21 and lower link 22 progressively from separating State is changed into clamped condition, limits the upper connecting rod 21 and lower link 22 is rotated further, so as to realize rolling over using overall structure The locking of folded vehicle frame.

By taking accompanying drawing 2 as an example, it is also possible to press first control button, start the motor 171 and drive the drive rod 172 rotate counterclockwises, so that the upper connecting rod 21 is rotated counterclockwise, so as to drive so that connecting rod 2 and Rear frame 4 are by tilting State is recovered to lying status, and then drives actuator 1 to move down, when the actuator 1 is moved down, follow-up process Process with above-mentioned expansion is consistent, will not be repeated here.

All technical sides that the present invention still has numerous embodiments, all use equivalents or an equivalent transformation and formed Case, is within the scope of the present invention.

Claims (10)

1. electric folding tricycle, including power drive system and brake system, it is characterised in that：Also include setting a front-wheel （110）Foresteerage gear（3）, set two trailing wheels（120）Rear frame（4）And it is provided with cushion（130）And can phase To the Rear frame（4）The cushion branch pipe of upset（5）, the foresteerage gear（3）Upper pivotally connected two parallel connecting rods （2）One end, the foresteerage gear（3）And connecting rod（2）Between be provided with and be connected with the power drive system and drive institute State connecting rod（2）With itself and the foresteerage gear（3）Pivot connection point for axis rotation the first electric drive mechanism （170）, two connecting rods（2）The other end, Rear frame（4）One end and the pivotally connected cushion branch pipe（5）Pull bar （6）Pivotally connected actuator（1）, the actuator（1）By locking relieving mechanism（10）Locked and discharged, the lock Tight relieving mechanism（10）Including the pivotally connected Rear frame（4）Lock piece（101）And the actuator（1）Upper setting With the lock piece（101）The draw-in groove of matching（102）, the lock piece（101）Connection drives the Manual drive mechanism of its upset （103）With the Manual drive mechanism（103）The the second electric drive mechanism for coordinating（180）And resetting-mechanism（104）.

2. electric folding tricycle according to claim 1, it is characterised in that：The foresteerage gear（3）Including branch Support set pipe（31）, the supporting sleeve（31）It is interior rotatably arranged with there is steering tube（32）, the steering tube（32）Upper end set It is equipped with tap handle（33）, its lower end is provided with front-wheel mounting bracket（34）；The supporting sleeve（31）The company of being additionally provided with outer wall Fitting（35）, the connector（35）On be provided with the 4th pivot hole with difference in height（351）And the 5th pivot hole（352）, The 4th pivot hole at higher position（351）To the supporting sleeve（31）Distance be less than the 5th pivot hole （352）To the supporting sleeve（31）Distance.

3. electric folding tricycle according to claim 1, it is characterised in that：The Rear frame（4）On be provided with for The cushion branch pipe is supported in deployed condition（5）Support bar（8）.

4. electric folding tricycle according to claim 1, it is characterised in that：The Rear frame（4）With the actuator （1）The both sides of pivotally connected position are symmetrically arranged with lift-pull handle（9）.

5. electric folding tricycle according to claim 1, it is characterised in that：Two connecting rods（2）Between also set up Limited location mechanism（7）, the position-limit mechanism is including being arranged at upper connecting rod（21）On upper clamping block（71）And be arranged at described Lower link（22）On lower clamping block（72）,

Under deployed condition, the upper clamping block（71）With lower clamping block（72）Clamping is spacing；

Under folded state, the upper clamping block（71）With lower clamping block（72）Separate.

6. according to any described electric folding tricycles of claim 1-5, it is characterised in that：The first electric drive mechanism （170）Including motor（171）, drive rod（172）, the motor controlled by drive circuit（171）First control of rotating Button, the motor（171）It is arranged at the foresteerage gear（3）The drive rod is connected on upper and its output shaft（172） One end, the drive rod（172）The other end be fixed on upper connecting rod（21）On.

7. electric folding tricycle according to claim 1, it is characterised in that：The pull bar（6）With cushion branch pipe（5）'s The position of pivot connection point is higher than the cushion branch pipe（5）With Rear frame（4）Pivot connection point position.

8. electric folding tricycle according to claim 5, it is characterised in that：The actuator（1）Including triangular in shape First pivot hole of distribution（11）, the second pivot hole（12）And the 3rd pivot hole（13）, first pivot hole（11）With second Pivot hole（12）The distance between be equal to the 4th pivot hole（351）And the 5th pivot hole（352）The distance between, described One pivot hole（11）Place's connection upper connecting rod（21）One end, second pivot hole（12）Place's connection lower link（22） One end and Rear frame（4）, the 3rd pivot hole（13）Place's connection pull bar（6）One end.

9. electric folding tricycle according to claim 1, it is characterised in that：The Manual drive mechanism（103）Including At least one set of activation button（1031）And mounting cup（1032）, the activation button（1031）Can be in the mounting cup（1032） In stretch and it passes through connecting rod（1033）Connect the lock piece（101）；The resetting-mechanism（104）It is disposed on the lock Stop member（101）With Rear frame（4）Pivot connection point at torsion spring or one end be fixed on the activation button（1031）On, separately One end is fixed on the mounting cup（1032）On spring.

10. electric folding tricycle according to claim 9, it is characterised in that：The second electric drive mechanism（180）Bag Include electric expansion bar（181）, the second control button and delay control circuit, the electric expansion bar（181）It is arranged at described Activation button（1031）Front and normality under with the activation button（1031）Gap is kept, second control button passes through Control circuit controls the electric expansion bar（181）Stretch out, the delays time to control controls the electric expansion bar stretching out setting Retracted automatically after time.