CN206231516U - Two front wheels electro-tricycle - Google Patents

Abstract

The utility model discloses two front wheels electro-tricycle, including main car frame, anchor link, steering mechanism, brake system and electric drive system, the battery in trailing wheel, cushion part and a power drive system is provided with main car frame, main car frame is plugged in together with anchor link and can relative anchor link torsion；Steering mechanism includes the steering driving mechanism being connected with main car frame and the rod-pulling type steering mechanism being connected with anchor link, steering driving mechanism drives rod-pulling type steering mechanism, and then drives two front-wheel steers and the inclination being symmetricly set in rod-pulling type steering mechanism.The utility model anchor link can be reversed and rod-pulling type steering mechanism relatively by making main car frame, so as to be conducive to reducing vehicle turning radius, increase flexibility, stationarity and the smoothness for turning to, and the security that electric motor car is turned at high speeds is greatly promoted, improve the security of driving.

Description

Two front wheels electro-tricycle

Technical field

The utility model is related to a kind of electric motor car, especially a kind of reverse electro-tricycle with two front wheels.

Background technology

Tricycle, as the term suggests, including three electric motor cars or bicycle or automobile of wheel, because it is relative to cart Many wheels are contacted with ground, are being easy to produce the wet-skid road surface of sideslip, there is very unique stability advantage, are significantly subtracted The possibility that small riding personnel sideslip is fallen down, under complicated landform ground surface environment, driving safety is substantially improved compared with two wheeler.

Electric motor car is that the structure based on existing bicycle is transformed it, by increasing battery, drive system and electricity Control system enables to car quickly to be run under electrical energy drive, electro-tricycle is so that its is convenient, environmental protection the advantages of it is more next More by big well-established.

The most structure of tricycle on the market is two trailing wheels of a front-wheel, such as Chinese patent at present Shown in CN201210089652.8 and CN201480014552.6.

Certainly, also one special reverse tricycle, with two front-wheels, one trailing wheel, such as Chinese patent Shown in CN200610170204.5 and CN201510774236.5, used as driving wheel, front-wheel is used as deflecting roller for trailing wheel.

But the steering structure due to these electro-tricycles is fixed with the main body rack at rear portion, between the two cannot Relative motion, due to the limitation of the self structure of main body rack, causes tricycle when turning to, and the radius of turn of vehicle becomes big, Turned in narrow space and be difficult；If by increasing the steering angle of front-wheel, steering angle may be caused excessive, there is thing Therefore situation.

Further, since prior art front-wheel when turning to will not be rolled, but directly to causing vehicle in high-speed case It is lower easily to produce overturn accident.

Also, the overall structure of prior art is complex, especially the steering structure in two front wheels region, is not suitable for large quantities of Amount production.

Utility model content

The purpose of this utility model is exactly to solve the above-mentioned problems in the prior art, there is provided one kind has simple Structure, the two front wheels electro-tricycle for being suitable to the foresteerage gear of production, security performance are greatly promoted.

The purpose of this utility model is achieved through the following technical solutions：

Two front wheels electro-tricycle, including main car frame, anchor link, steering mechanism, brake system and motorized motions system System, is provided with the battery in trailing wheel, cushion part and a power drive system, the main car frame and the anchor on the main car frame Shape link be plugged in together and can relatively described anchor link reversed；The steering mechanism includes and the main car frame The steering driving mechanism of connection and the rod-pulling type steering mechanism being connected with the anchor link, the steering driving mechanism drive The rod-pulling type steering mechanism is moved, and then drives two front-wheel steers and the side being symmetricly set in the rod-pulling type steering mechanism Incline.

Preferably, described two front wheels electro-tricycle, wherein：The relatively described anchor link of the main car frame is turned round The angle for turning is not more than 30 °.

Preferably, described two front wheels electro-tricycle, wherein：The main car frame is connected with anchor link by torsion spring Integrally, and in their contact end it is additionally provided with self-lubricating end face bearing, one end of the torsion spring is fixed on described In the inner chamber of anchor link, the other end is fixed on the inside of the main car frame.

Preferably, described two front wheels electro-tricycle, wherein：The torsion spring includes the first fixation of rectangular or fillet Hold and take the shape of the letter U the second fixing end of groove, the top area of first fixing end is embedded into the inner chamber of the anchor link In draw-in groove in, and be fixed in the draw-in groove by the first bolt；Second fixing end is by covering the upper of the U-lag Pressing plate, lower platen and the second bolt through the U-lag are fixed with the main car frame.

Preferably, described two front wheels electro-tricycle, wherein：The steering driving mechanism includes being connected to the main car Also slided in the headstock stand tube of frame front end, the headstock stand tube and be provided with telescoping tube, leading is provided with the telescoping tube Hand, be provided with the tap handle speed regulating handle and two brake hand handles, the telescoping tube by fastener with can be described The steering tube rotated in headstock stand tube is fixed or unclamped, and the bottom of the steering tube is fixed with fixture.

Preferably, described two front wheels electro-tricycle, wherein：At least one end of the tap handle is provided with foldable Rearview mirror.

Preferably, described two front wheels electro-tricycle, wherein：The rod-pulling type steering mechanism includes and the fixture Pivotally connected connector, one end of the pivotally connected two symmetrically arranged pull bars of connector, two pull bars it is another One end distinguishes pivotally connected one to be used to install front-wheel and drives the flip piece of front-wheel steer, and two flip pieces are respectively by turning Axle is connected with the provided at one of the anchor link, during the flip piece is with the rotating shaft under the active force of the pull bar The heart is rotated.

Preferably, described two front wheels electro-tricycle, wherein：The connector includes being plugged in together by a round pin Symmetrical two halves formula structure, the two ends of the round pin are stretched in the fixture, and two relative the one of the pull bar End is pivotally connected in the wherein half of the two halves formula structure respectively, and pull bar one end pivotally connected with the connector And ground level less than pull bar one end the and ground level pivotally connected with the flip piece.

Preferably, described two front wheels electro-tricycle, wherein：The flip piece includes two first with difference in height Pivot hole, the rotating shaft through two first pivot holes and the anchor link be located at two first pivot holes it Between；The flip piece also includes the second pivot hole and the 3rd pivot for being glued described pull bar one end for installing front-wheel Hole；Second pivot hole and the 3rd pivot hole are located at the same side for the axis that described two first pivot holes are formed.

Preferably, described two front wheels electro-tricycle, wherein：The flip piece is also included for fixing front wheel brake First fixing hole and the second fixing hole for fixing front wheel guard.

The beneficial effects of the utility model are mainly reflected in：

The utility model is reasonable in design, and overall structure is simply compact, anchor link can be reversed relatively by making main car frame And rod-pulling type steering mechanism, front-wheel and main car frame can be made to produce inclination to steering direction simultaneously under steering state, so as to have Beneficial to the reduction of vehicle turning radius, increase flexibility, stationarity and the smoothness for turning to, vehicle is turned at high speeds Security greatly promote, improve the security of driving.

Increase self-lubricating end face bearing between anchor link and the contact end face of main car frame, ensure that main car frame and anchor The smoothness that shape link is reversed, reduces abrasion, extends part service life.

The U-lag structure of the utility model one end is easy to adjust fixed position according to the actual size of each part, fits Answering property is stronger, and the area for installing end face that U-lag structure is formed is bigger, easily facilitates and is consolidated by two block pressur plates It is fixed, it is ensured that fixed stability and reliability.

Foresteerage gear of the present utility model is simple and reliable for structure, assembling facility, is adapted to produce in enormous quantities, multiple parts It is attached by flip piece, integration degree is high.

Brief description of the drawings

Fig. 1 is the structural representation of double-front wheel tricycle of the present utility model；

Fig. 2 is the structural representation that main car frame of the present utility model conceals shell；

Fig. 3 is the connection diagram of the utility model torsion spring and anchor link；

Fig. 4 is the utility model torsion spring and anchor link and the sectional view of main car frame attachment structure；

Fig. 5 is torsion spring structural representation of the present utility model；

Fig. 6 is the right view of the tricycle that the utility model has two front wheels；

Fig. 7 is the front view of the tricycle that the utility model has two front wheels；

Fig. 8 is the enlarged diagram at front-wheel of the present utility model, now conceals fixture；

Fig. 9 is the structural representation of the utility model flip piece；

Figure 10 is the steering state schematic diagram of double-front wheel tricycle of the present utility model.

Specific embodiment

The purpose of this utility model, advantage and feature, will carry out figure by the non-limitative illustration of preferred embodiment below Show and explain.These embodiments are only the prominent examples for applying technical solutions of the utility model, all to take equivalent or wait Effect conversion and the technical scheme that is formed, all fall within the utility model it is claimed within the scope of.

Two front wheels electro-tricycle, as shown in accompanying drawing 1, accompanying drawing 10, including main car frame 9, anchor link 96, steering mechanism 110th, brake system and electric drive system, are provided with a trailing wheel 93, cushion part 95 and electric drive trains on the main car frame 9 Battery in system（Not shown in figure）, the main car frame 9 is plugged in together with the anchor link 96 and can the relative anchor Shape link 96 is reversed.

Specifically, as shown in accompanying drawing 2, accompanying drawing 10, in the present embodiment, the main car frame 9 includes pedestal 911 and the base Connecting tube 912 that frame 911 is removably joined together and the shell 913 being fixed in the pedestal 911 and connecting tube, when So the frame 911 and connecting tube 912 can also be the structures of one in other embodiments.

The rear portion both sides of the pedestal 911 are provided with the pedal 914 extended to from the afterbody of the pedestal 911 at cushion rod 94 And for the rear wheel slot of installing wheel 93, the trailing wheel 93 is installed in the rear wheel slot by hind axle, the trailing wheel 93 On be integrated with rear wheel brake, the top of the main car frame 9 is generally perpendicularly provided with cushion rod 94 near the position of the trailing wheel 93, The cushion part 95 is installed, specifically, the cushion rod 94 is fixed on the mounting seat of the pedestal 911 on the cushion rod 94 On, the cushion part 95 is the structure of saddle, and certainly in other embodiments, the cushion part 95 can also be other The cushion structure of existing electric motor car, will not be repeated here.

The front end of the pedestal 911 is provided with the mounting groove for installing and fixing connecting tube 912, and the mounting groove includes Circular trough area and square groove area, the diameter of the length less than the circular trough area in the square groove area, the connecting tube 912 Shape of cross section matches with the mounting groove, and connecting tube 912 can be effectively prevented with respect to base by the structure setting of mounting groove Frame 911 is rotated, and certainly, the mounting groove can also be other feasible shapes, also, at least described connecting tube 912 Two ends have manhole, and anchor link 96 is plugged with the circular port of the front end of the connecting tube 912.

It is detailed, as shown in accompanying drawing 3, accompanying drawing 4, described in the cylindrical Plug Division 962 of the anchor link 96 is inserted into It is additionally provided with circular port, also, between the open end and anchor link 96 of the circular port of the front end of the connecting tube 912 certainly Lubrication end face bearing 60, further, the connecting tube 912 is provided with the bottom section of the grafting one end of the anchor link 96 Battery carrier 91 for fixing battery in the power drive system.

Because the circumferential contact surface of the main car frame 9 and anchor link 96 is circular cambered surface, therefore the main car frame 9 Can relatively described anchor link 96 be defined the twist motion of angle；During steering, the relatively described anchor of the main car frame 9 connects Frame 96 is connect to rotate；After steering, the turn-back of the main car frame 9 resets.

Preferably, as shown in accompanying drawing 3, accompanying drawing 4, the main car frame 9 connects into one with anchor link 96 by torsion spring 10 Body, one end of the torsion spring 10 is fixed in the inner chamber of the anchor link 96, and the other end of the torsion spring 10 is fixed on The inside of the main car frame 9；During steering, the torsion spring 10 follows the main car frame 9 to reverse；After steering, the torsion spring 10 is certainly The turn-back of the main car frame 9 is resetted and driven in the presence of body torsion；Due to the limitation of itself torsion of torsion spring 10, the master The angle that the relatively described anchor link 96 of vehicle frame 9 is reversed is not more than 30 °, so as to ensure the angle of the inclination of main car frame 9 not Can be excessive, cause situation about overturning occur.

Also, as shown in accompanying drawing 4, accompanying drawing 5, the torsion spring 10 include at right angles or fillet the first fixing end 101 and Take the shape of the letter U the second fixing end 102 of groove, and the top area of first fixing end 101 is embedded into the interior of the anchor link 96 In draw-in groove 961 in chamber, and it is fixed in the draw-in groove 961 by the first bolt 20；Second fixing end 102 is by covering The top board 30 of the U-lag, lower platen 40 and the second bolt 50 through the U-lag are fixed on the connecting tube 912 It is interior, and second fixing end 102 is in the mounting groove.

Certainly in other embodiments, the structure at the two ends of the torsion spring 10 can also be designed according to actual needs, Its fixed form can also be other modes, will not be repeated here.

Further, as shown in accompanying drawing 1, accompanying drawing 6, accompanying drawing 7, accompanying drawing 10, the main car frame 9 and anchor link 96 connect The steering mechanism 110 is met, specifically, the steering mechanism 110 includes the steering driving mechanism being connected with the main car frame 9 And the rod-pulling type steering mechanism being connected with the anchor link 96, the steering driving mechanism driving rod-pulling type steering Mechanism, and then drive two front-wheels 92 being symmetricly set in the rod-pulling type steering mechanism to turn to and roll.

Detailed, as shown in Figure 7, the steering driving mechanism in the steering mechanism 110 is described including being fixed on The front end of main car frame 9 and the headstock stand tube 13 substantially vertical with the main car frame 9, certainly, when the tricycle is foldable style When, the headstock stand tube 13 can also be folded against with the main car frame 9.

Also slided in the headstock stand tube 13 and be provided with telescoping tube 16, headstock 1, the car are provided with the telescoping tube 16 First 1 includes the speed regulating handle set in tap handle 11 and the tap handle 11 and two brake hands 12, the headstock At least one end of handle 11 is provided with foldable rear-view mirror 120, the telescoping tube 16 by fastener 18 with can be in the headstock branch The steering tube 14 rotated in frame pipe 13 is fixed or unclamped, and the bottom of the steering tube 14 is fixed with fixture 15.

As shown in accompanying drawing 7, accompanying drawing 8, the rod-pulling type steering mechanism in the steering mechanism 110 includes and the fixation The pivotally connected connector 24 of part 15,24 pivotally connected two one end of symmetrically arranged pull bar 21 of the connector, wherein, institute It is to be mutually inserted symmetrical two halves formula structure together to state connector 24, and the two halves formula structure is plugged on by a round pin 25 Together, the two ends of the round pin 25 are stretched in the fixture 15, two opposite side difference pivots of the pull bar 21 In the wherein half of the two halves formula structure.

As shown in Figure 8, the other end of two pull bars 21 distinguishes pivotally connected one for installing front-wheel 92 and driving The flip piece 22 that front-wheel 92 is turned to, and as shown in Figure 6, the one end pivotally connected with the connector 24 of the pull bar 21 And ground level, less than one end the and ground level pivotally connected with the flip piece 22 of the pull bar 21, both have difference in height H, so that two front-wheels can first produce the inclination of steering direction when turning to.

Also, two flip pieces 22 are connected by rotating shaft 23 with the provided at one of the anchor link 96 respectively, And the flip piece 22 is rotated centered on the rotating shaft 23 under the active force of the pull bar 21.

Detailed, with reference to shown in accompanying drawing 8, accompanying drawing 9, the flip piece 22 includes two first pivot holes with difference in height 221, the rotating shaft 23 passes through the one of two first pivot holes 221 and anchor link 96 and the anchor link 96 End is located between two first pivot holes 221；The flip piece 22 also includes being located at two institutes of the first pivot hole 221 Second pivot hole 222 of axis X the same side of formation and the 3rd pivot hole 223, second pivot hole 222 are used to install one Individual front-wheel 92, specifically, one is used to install the front axle 17 of front-wheel 92 through second pivot hole 222 and penetrates front-wheel 92 Center, the rotation centered on the front axle 17 of the front-wheel 92；3rd pivot hole 223 is used to be hinged the pull bar 21 1 End, although in the present embodiment, higher with position in first pivot hole 221 is in the 3rd pivot hole 223 Sustained height, but in other embodiments, the 3rd pivot hole 223 can also be other feasible positions.

In addition, as shown in accompanying drawing 1, accompanying drawing 8, accompanying drawing 9, the flip piece 22 is also included for fixing front wheel brake part 19 First fixing hole 224 and the second fixing hole 225 for fixing front wheel guard 20, the front wheel brake 19 pass through brake cable The connection brake hand 12, because the front wheel guard 20 can follow the flip piece 22 to be synchronized with the movement, i.e., can be with The synchronous axial system of front-wheel 92, therefore, it is possible to cover the front-wheel 92 constantly, also, all with flip piece 22 is branch due to multiple parts Support, thus increased the degree of association between part so that overall structure is compacter and simplifies.

The electric drive system in addition to including the battery and speed regulating handle for powering, also including after for driving The motor and control circuit of wheel 93（Not shown in figure）, the motor is integrated on the trailing wheel 93, naturally it is also possible to installed In other feasible positions, the control circuit is used to control whole electric drive system to run.

During using two front wheels electro-tricycle of the present utility model, when needing to turn to, the tap handle 11 is rotated, can To drive the steering tube 14 to rotate simultaneously, because the steering tube 14 is rotated, the fixture 15 positioned at its bottom is synchronous Rotate, because the fixture 15 is relatively fixed with connector 24, the connector 24 is substantially also around the steering tube 14 Axis is rotated, so as to promote be located at the pull bar 21 for turning to opposition side simultaneously to steering positioned at the pull bar 21 and pulling for turning to side Direction is moved, and now, thrust, the meeting of pull bar 21 of under tension is applied to connected flip piece 22 by the pull bar 21 of thrust Apply pulling force to connected flip piece 22, so that two upsets are rotated centered on the pivot 23, due to described the Two pivot holes 222 and the 3rd pivot hole 223 are located at the same side of the axis X, therefore two front-wheels 92 can be in flip piece 22 Turned under active force.

In the moment for turning to, there are the reason of the height difference H at certain frictional force and pull bar two ends, institute due to wheel and ground Thrust that pull bar 21 applies to front-wheel 92 and pulling force respectively oblique direction and obliquely downward are stated to therefore two front-wheels 92 are turning Xiang Shi, can first occur the inclination towards steering direction, as shown in Figure 10, so that turn inside diameter is more smooth.

Simultaneously as during Vehicular turn, human pilot can produce the power of inclination, this power is by the headstock stand tube 13 And cushion 95 is applied on the main car frame 9, because the main car frame 9 can freely be rotated relative to the anchor link 96, because In the case of stress, the main car frame 9 is rotated to the side for turning to for this, is rolled along with the torsion of main car frame 9, the torsion spring The windup-degree of the 10 reaction force limitation main car frames 9 for being distorted and passing through itself, and human pilot, trailing wheel 93 and headstock branch Frame pipe 13 can also follow main car frame 9 to roll, as shown in Figure 10 such that it is able to reduce radius of turn, and realization smoothly turns It is curved.

When completing to turn, recover straight line ride, each part of the steering mechanism 110 is with the carrying out of turning process Progressively reset, also, human pilot no longer produces the power of inclination, and now, the main car frame 9 is primarily subjected to the anti-of the torsion spring 10 Resetted to active force, therefore the turn-back under the reaction force of the torsion spring 10 of the main car frame 9.

Certainly, in other embodiments, during the steering structure may apply to the structure of common double-front wheel tricycle, And the torsion structure between the main car frame and anchor link is also applied to common tricycle and two-wheel voluntarily In the structure of car.

The utility model still has numerous embodiments, all use equivalents or equivalent transformation and all technologies for being formed Scheme, all falls within protection domain of the present utility model.

Claims (10)

1. two front wheels electro-tricycle, it is characterised in that：Including main car frame（9）, anchor link（96）, steering mechanism（110）、 Brake system and electric drive system, the main car frame（9）On be provided with a trailing wheel（93）, cushion part（95）And electric drive Battery in system, the main car frame（9）With the anchor link（96）It is plugged in together and can anchor connection relatively Frame（96）Reversed；The steering mechanism（110）Including with the main car frame（9）The steering driving mechanism of connection and with institute State anchor link（96）The rod-pulling type steering mechanism of connection, the steering driving mechanism drives the rod-pulling type steering mechanism, And then drive two front-wheels being symmetricly set in the rod-pulling type steering mechanism（92）Turn to and roll.

2. two front wheels electro-tricycle according to claim 1, it is characterised in that：The main car frame（9）Relatively described anchor Shape link（96）The angle reversed is not more than 30 °.

3. two front wheels electro-tricycle according to claim 2, it is characterised in that：The main car frame（9）It is connected with anchor Frame（96）By torsion spring（10）Link into an integrated entity, and self-lubricating end face bearing is additionally provided with their contact end （60）, the torsion spring（10）One end be fixed on the anchor link（96）Inner chamber in, the other end is fixed on the main car Frame（9）Inside.

4. two front wheels electro-tricycle according to claim 3, it is characterised in that：The torsion spring（10）Including at right angles or First fixing end of fillet（101）And the second fixing end of the groove that takes the shape of the letter U（102）, first fixing end（101）Top region Domain is embedded into the anchor link（96）Inner chamber in draw-in groove（961）In, and by the first bolt（20）It is fixed on described Draw-in groove（961）In；Second fixing end（102）By the top board for covering the U-lag（30）, lower platen（40）And pass through Wear the second bolt of the U-lag（50）With the main car frame（9）It is fixed.

5. according to any described two front wheels electro-tricycles of claim 1-4, it is characterised in that：The steering driving mechanism bag Include and be connected to the main car frame（9）The headstock stand tube of front end（13）, the headstock stand tube（13）Inside also slide and be provided with flexible Pipe（16）, the telescoping tube（16）On be provided with tap handle（11）, the tap handle（11）On be provided with speed regulating handle and Two brake hand handles（12）, the telescoping tube（16）By fastener（18）With can be in the headstock stand tube（13）Interior rotation Steering tube（14）Fixed or release, the steering tube（14）Bottom be fixed with fixture（15）.

6. two front wheels electro-tricycle according to claim 5, it is characterised in that：The tap handle（11）At least one End is provided with foldable rear-view mirror 120.

7. two front wheels electro-tricycle according to claim 5, it is characterised in that：The rod-pulling type steering mechanism include with The fixture（15）Pivotally connected connector（24）, the connector（24）Pivotally connected two symmetrically arranged pull bars （21）One end, two pull bars（21）The other end distinguish pivotally connected one for installing front-wheel（92）And drive front-wheel （92）The flip piece of steering（22）, two flip pieces（22）Pass through rotating shaft respectively（23）With the anchor link（96）'s Provided at one is connected, the flip piece（22）In the pull bar（21）Active force under with the rotating shaft（23）Centered on rotate.

8. two front wheels electro-tricycle according to claim 7, it is characterised in that：The connector（24）Including by one Round pin（25）The symmetrical two halves formula structure being plugged in together, the round pin（25）Two ends stretch to the fixture（15） It is interior, and two pull bars（21）Opposite side be pivotally connected in respectively in the wherein half of the two halves formula structure, it is and described Pull bar（21）With the connector（24）Pivotally connected one end and ground level is less than the pull bar（21）With the flip piece （22）Pivotally connected one end and ground level.

9. two front wheels electro-tricycle according to claim 7, it is characterised in that：The flip piece（22）Including two tools There is the first pivot hole of difference in height（221）, the rotating shaft（23）Through two first pivot holes（221）And the anchor connects Connect frame（96）Positioned at two first pivot holes（221）Between；The flip piece（22）Also include for front-wheel is installed the Two pivot holes（222）And for being glued the pull bar（21）3rd pivot hole of one end（223）；Second pivot hole （222）With the 3rd pivot hole（223）Positioned at described two first pivot holes（221）The axis for being formed（X）The same side.

10. two front wheels electro-tricycle according to claim 7, it is characterised in that：The flip piece（22）Also include using In fixed front wheel brake（19）The first fixing hole（224）And for fixing front wheel guard（20）The second fixing hole （225）.