CN208007187U - Telescopic electric tricycle - Google Patents

Abstract

The utility model discloses a kind of Telescopic electric tricycle, electro-tricycle includes：Chassis, chassis include：Front frame, front frame outside are equipped with slideway, and the first position and the second position on the inside of front frame are set to limited block, and limited block is equipped with limit hole；Rear frame, Rear frame are slidingly disposed in slideway, and Rear frame is slided between the first position and the second position；Vehicle seat, vehicle seat include：Linkage section, linkage section are set on chassis, are connected with front wall supporting section；Back seat supporting section, back seat supporting section are connected with connecting pin, and are integrally formed；And lockable mechanism, lockable mechanism are set in Rear frame, and Rear frame is locked at first position or the second place and damping, damping, including：Rear frame, rear frame are set to the upper end of rear axle；Link, link are set to the lower end of rear axle；And damper, damper are set between rear frame and link.The electro-tricycle occupies little space, convenient transportation, effectively realizes independent damping.

Description

Telescopic electric tricycle

Technical field

The utility model is related to electric vehicle manufacturing field more particularly to Telescopic electric tricycles.

Background technology

In the prior art, the chassis of electro-tricycle is mostly integral structure, non-telescoping, and this structure occupied space is big, It is not convenient for transportation, for example, user charges for convenience, user generally can by electric tricycle by floor in elevator traffic to family, And in transportational process, since elevator interior space is limited, it is big just to will appear electro-tricycle occupied space, can not transport, or Even if electric vehicle can be promoted elevator by person reluctantly, since occupied space is larger, and use of the other users to elevator can be influenced, given Other people make troubles, and the damping effect of electro-tricycle in the prior art is bad, and the comfort level of rider is not high.

Invention content

In view of the above-mentioned problems of the prior art, the utility model provides Telescopic electric tricycle, the electric three-wheel The chassis of vehicle is retractable structure, it can be made to occupy little space, convenient transportation, effectively realizes independent damping, improves electronic three Take turns the stability and comfort level of vehicle.

To achieve the goals above, the utility model provides Telescopic electric tricycle, and the electro-tricycle includes：Bottom Disk, the chassis include：Front frame, the front frame outside are equipped with slideway, the first position and second on the inside of the front frame Position is set to limited block, and the limited block is equipped with limit hole；Rear frame, the Rear frame are slidingly disposed at the slideway Interior, the Rear frame is slided between the first position and the second position；And lockable mechanism, the lockable mechanism are set to In the Rear frame, the Rear frame is locked at the first position or the second place, when the lockable mechanism When positioned at the first position, the chassis is in extended configuration；It is described when the lockable mechanism is located at the second position Chassis is in contraction state；Vehicle seat, the vehicle seat include：Linkage section, the linkage section is set on the chassis, with the front wall Supporting section is connected；Back seat supporting section, the back seat supporting section are connected with the linkage section, and the front wall supporting section, connection Section and back seat supporting section are symmetrical member, and are integrally formed；And seat, the seat are set in the rear support section；And subtract Mechanism is shaken, the damping is set on the rear vehicle seat, including：Rear frame, the rear frame are set to the upper end of the rear axle, Including the first connecting pin and second connection end, first connecting pin is connected with the chassis；Link, the connection are set up Be connected in the lower end of the rear axle, and with the rear axle, including third connecting pin and the 4th connecting pin, the third connecting pin with The rear frame is hinged and connected；And damper, the damper are set between the second connection end and the 4th connecting pin.

In the technical scheme, when needing to shrink on chassis, lockable mechanism is closed, Rear frame is pushed to make it along front truck The slideway of frame is slided from first position to second position direction, and when reaching the second position, lockable mechanism is opened, and Rear frame is locked Only in the second place；When needing to stretch out on chassis, lockable mechanism is closed, Rear frame is pushed to make its slideway along front frame It is slided from the second position to first position direction, when reaching first position, lockable mechanism is opened, and Rear frame is locked at first At position；The chassis of the electro-tricycle is retractable structure, it can be made to occupy little space, convenient transportation, is effectively realized only Vertical damping, improves the stability and comfort level of electro-tricycle.

In addition, Telescopic electric tricycle according to the present utility model, can also have following technical characteristic：

Further, the Rear frame is equipped with installation base plate, and the lockable mechanism is arranged on installation base plate, the lock Only structure includes：Motor；Mounting plate, the motor are mounted on the mounting plate；Rocking arm, the rocking arm are rotatably disposed within institute It states on mounting plate, and is connected with the motor；Connecting rod, one end of the connecting rod are articulated and connected with the rocking arm；And guide pad And locking pin, the guide pad are connected on the installation base plate, one end of the locking pin is telescopically arranged in institute It states in guide pad, the other end of the locking pin and the other end of the connecting rod are articulated and connected, when the motor rotates forward, institute It states rocking arm to rotate clockwise, the lock pin is driven to make contractile motion to close to the installation Board position in the guide pad, The lock pin is set to detach the limit hole of the limited block；When the motor reversal, the rocking arm rotates counterclockwise, and drives institute It states lock pin and makees stretching movement to away from the installation Board position in the guide pad, be inserted into the limit hole of the limited block It is interior.

Further, guide hole is equipped in the guide pad, the locking pin is matched with the guide hole.

Further, the locking pin includes pin body and is integrally formed in the limit of described pin body one end Portion, and the outer diameter of the limiting section is more than the internal diameter of the guide hole.

Further, angle is 120 degree between the back seat supporting section and the linkage section.

Further, changeover portion is set between the back seat supporting section and the linkage section, and the changeover portion is circular arc knot Structure.

Further, secondary segment is additionally provided on the seat, the secondary segment includes first to be connected with the linkage section Interconnecting piece and the second connecting portion for being integrally formed in described first connecting portion one end.

Further, cushion block is equipped between the seat and the back seat supporting section.

Further, the damper includes lower cylinder body, scalable piston rod and connection institute in the lower cylinder body State the helical spring of lower cylinder body and the piston rod.

Further, the piston rod is equipped with first baffle, and second gear can be equipped with up and downly on the lower cylinder body Plate, the helical spring are set between the first baffle and second baffle.

Description of the drawings

Fig. 1 is the structural schematic diagram of electro-tricycle；

Fig. 2 is the front view of electro-tricycle；

Fig. 3 is the vertical view of Fig. 2；

Fig. 4 is sectional view along A-A in Fig. 2；

Fig. 5 is the structural schematic diagram of stretching structure in Fig. 1；

Fig. 6 is the partial enlarged view at I in Fig. 5；

Fig. 7 is the structural schematic diagram of lockable mechanism in Fig. 5；

Fig. 8 is the structural schematic diagram of damping in Fig. 1；

Fig. 9 is the structural schematic diagram of damper in Fig. 8.

Reference numeral:

Electro-tricycle 100；Forerunner's assembly 10；Front wall supporting section 1A；Front support beam 2A；

Chassis 20；Front frame 1B；Limited block 1B1；Slideway 1B2；Limiting slot 1B11；Rear frame 2B；First fixing axle 2B1； First idler wheel 2B2；Lockable mechanism 3B；Motor 3B1；Spline gear 3B11；Mounting plate 3B2；Rocking arm 3B3；Connecting rod 3B4；Lock pin Axis 3B5；Pin body 3B51；Limiting section 3B52；Guide pad 3B6；Installation base plate 3B7；Crossbeam 4B；Second fixing axle 4B1；Second Idler wheel 4B2；

Rear-guard assembly 30；Rear axle 1C；Connecting plate 1C1；

Vehicle seat 40；Linkage section 1D；Back seat supporting section 2D；Changeover portion 3D；Seat 4D；First connecting portion 4D1；Second connecting portion 4D2；Cushion block 5D；Support plate 6D；

Damping 50；Rear frame 1E；First connecting pin 1E1；Second connection end 1E2；Link 2E；Third connecting pin 2E1；4th connecting pin 2E2；Damper 3E；Lower cylinder body 3E1；Piston rod 3E2；Helical spring 3E3；First baffle 3E4；Second gear Plate 3E5；Connection otic placode 4E；Bolt 5E.

Specific implementation mode

The utility model is described in further detail in 1 to Fig. 9 below in conjunction with the accompanying drawings.

According to the Telescopic electric tricycle of the utility model embodiment, as shown in Fig. 1~Fig. 9, the electro-tricycle 100 include：Chassis 20, vehicle seat 40 and damping 50.

Chassis 20, the chassis 20 include：Front frame 1B, Rear frame 2B and lockable mechanism 3B.Front frame 1B, the front truck It is equipped with first position and the second position on the inside of slideway 1B2, the front frame 1B on the outside of frame 1B and is equipped with limited block 1B1, the limit Position block 1B1 is equipped with limiting slot 1B11, and specifically, front frame 1B is two, is symmetrically set in the both sides on chassis 20, front frame 1B is Groove-like structure, and the side with slot-like opening is placed outward, first position and the second position are located on the inside of front frame 1B Front-end and back-end；Rear frame 2B, the Rear frame 2B are slidingly disposed in the slideway 1B2, and the Rear frame 2B is in institute It states and is slided between first position and the second position, that is to say, that Rear frame 2B is located at the outside of front frame 1B, passes through slideway 1B2 is connected with front frame 1B, can make Rear frame 2B slidably reciprocating between the first location and the second location, to realize Relative telescoping movements of the Rear frame 2B relative to front frame 1B；And lockable mechanism 3B, the lockable mechanism 3B be set to it is described after On vehicle frame 2B, the Rear frame 2B is locked at the first position or the second place, as the lockable mechanism 3B When positioned at the first position, the chassis 20 is in extended configuration；When the lockable mechanism 3B is located at the second position, The chassis 20 is in contraction state.

Vehicle seat 40, the vehicle seat 40 include：Linkage section 1D, back seat supporting section 2D and seat 4D.Linkage section 1D, the connection Section 1D is set on the chassis 20, is connected with the front wall supporting section 1A, that is to say, that linkage section 1D is symmetrically set to institute The both sides on chassis 20 are stated, and are connected with the front wall supporting section 1A；Back seat supporting section 2D, the back seat supporting section 2D with it is described Linkage section 1D is connected, and the front wall supporting section 1A, linkage section 1D and back seat supporting section 2D are symmetrical member, and is integrally formed, I.e. by the way that front wall supporting section 1A, linkage section 1D and back seat supporting section 2D are designed to integrated formed structure, back seat can be made to support The structural strength of section 2D is high；And seat 4D, the seat 4D are on the back seat supporting section 2D.

It is understood that by the way that front wall supporting section 1A, linkage section 1D and back seat supporting section 2D to be integrally formed, can make The overall construction intensity of vehicle seat 40 is high, and this structure can save a large amount of material, reduces production cost, manufacture and installation It is more convenient.

Damping 50 is additionally provided with the rear vehicle seat positioned at 40 rear end of vehicle seat, the damping 50 on electro-tricycle 100 Set on the rear vehicle seat lower end, including：Rear frame 1E, link 2E and damper 3E.Rear frame 1E, the rear frame 1E are set to The upper end of the rear axle 1C, including the first connecting pin 1E1 and second connection end 1E2, the first connecting pin 1E1 and the chassis 20 are connected；Link 2E, the link 2E are set to the lower end of the rear axle 1C, and are connected with the rear axle 1C, including the Three connecting pin 2E1 and the 4th connecting pin 2E2, the third connecting pin 2E1 are hinged and connected with the rear frame 1E；And damping Device 3E, the damper 3E are set between the second connection end 1E2 and the 4th connecting pin 2E2.Specifically, by Damper 3E is arranged at two connecting pin 1E2 can effectively slow down the impact force of rear frame 1E；By by link 2E and rear axle 1C It is connected, rear frame 1E can be made in downward alternating compression damper 3E, link 2E plays a supporting role to rear frame 1E, and And in vehicle driving process, two sidecar wheels of rear axle 1C can realize independent damping, crossing potted road surface or unilateral taking turns lanyard When, rear axle 1C will not integrally beat, and improve comfortable riding.

It is understood that when needing to shrink on chassis 20, close lockable mechanism 3B, push Rear frame 2B make its along The slideway 1B2 of front frame 1B is slided from first position to second position direction, and when reaching the second position, lockable mechanism 3B is beaten It opens, Rear frame 2B is locked at the second place；When needing to stretch out on chassis 20, lockable mechanism 3B is closed, pushes Rear frame It is set to be slided from the second position to first position direction along the slideway 1B2 of front frame 1B, when reaching first position, locking machine Structure 3B is opened, and Rear frame 2B is locked at first position；By the way that chassis 20 is designed to that telescopic mechanism can make electronic three Wheel vehicle 100 occupies little space, and convenient transportation effectively realizes independent damping, improves the stability and comfort level of electro-tricycle.Value It must illustrate, " first position " is the position that the chassis 20 is in stretching state；" second position " is described Chassis 20 is in the position of contraction state.

In one embodiment of the utility model, as shown in Fig. 4~Fig. 6, the lockable mechanism 3B is arranged on chassis On installation base plate 3B7, chassis 20 is equipped with limited block 1B1, the limited block 1B1 and is equipped with limiting slot 1B11, the locking knot Structure includes：Motor 3B1, mounting plate 3B2, rocking arm 3B3, connecting rod 3B4, guide pad 3B6 and locking pin 3B5.

Mounting plate 3B2, the motor 3B1 are connected on the mounting plate 3B2 with the installation base plate 3B7；Specifically Ground, mounting plate 3B2 are located at the lower section of installation base plate 3B7, are fixed and are connected by fastener between mounting plate 3B2 and installation base plate 3B7 It connects, for example, can be connected by screw, forms installation space, motor 3B1 installations between mounting plate 3B2 and installation base plate 3B7 In the installation space, protection can be played the role of to motor 3B1 in this way.

Rocking arm 3B3, the rocking arm 3B3 is rotatably disposed on the mounting plate 3B2, and is connected with the motor 3B1, That is rocking arm 3B3 is a rod-like structure, center is connected with motor 3B1, drives rocking arm 3B3 to rotate by motor 3B1 Movement, to drive the mechanism being attached thereto.

Connecting rod 3B4, one end of the connecting rod 3B4 is articulated and connected with the rocking arm 3B3, specifically, the two of rocking arm 3B3 End is respectively articulated with a connecting rod 3B4, and when rocking arm 3B3 rotates with motor 3B1, connecting rod 3B4 is rotated with rocking arm 3B3 works It is also rotated simultaneously around the hinged place of connecting rod 3B4 and rocking arm 3B3；And

Guide pad 3B6 and locking pin 3B5, the guide pad 3B6 are connected on the installation base plate 3B7, the locking One end of axis pin 3B5 is telescopically arranged in the guide pad 3B6, that is to say, that guide pad 3B6 plays locking pin 3B5 To the effect of guiding, locking pin 3B5 is made to be moved along the direction of limiting slot 1B11, the other end of the locking pin 3B5 with The other end of the connecting rod 3B4 is articulated and connected, and when the motor 3B1 is rotated forward, the rocking arm 3B3 is rotated clockwise, and drives institute It states lock pin and makees contractile motion to close to the positions the mounting plate 3B2 in the guide pad 3B6, the lock pin is made to detach institute State the limiting slot 1B11 of limited block 1B1；When the motor 3B1 is inverted, the rocking arm 3B3 is rotated counterclockwise, and drives the lock Shotpin makees stretching movement in the guide pad 3B6 to away from the positions the mounting plate 3B2, is inserted into the limit of the limited block 1B1 In the slot 1B11 of position.

It is understood that can the rotation of motor 3B1 be converted to locking pin 3B5 in guide pad by the mechanism Along the stretching motion in the directions limiting slot 1B11 in 3B6, and the behaviour of mechanism positioning is convenient and efficient and simple in structure.

In one embodiment of the utility model, as shown in figure 4, being equipped with guide hole, the locking in the guide pad 3B6 Axis pin 3B5 is matched with the guide hole.That is, being by being arranged in the guide pad 3B6 in locking pin 3B5 Guide hole realization telescopically connects, and can make the more flat of locking pin 3B5 movements by the way that guide hole is arranged in guide pad 3B6 Surely.

In one embodiment of the utility model, as shown in Figure 4 to 7, the locking pin 3B5 includes pin body The 3B51 and limiting section 3B52 for being integrally formed in the one end the pin body 3B51, and the outer diameter of the limiting section 3B52 is big In the internal diameter of the guide hole, specifically, one end and the connecting rod of pin body 3B51 are articulated and connected, and pin body 3B51's is another End setting limiting section 3B52, by that more than the internal diameter of guide hole, can ensure to lock the outer diameter design of limiting section 3B52 in this way When shotpin axis 3B5 is moved in guide hole, one end of setting limiting section 3B52 will not be skidded off out of guide hole, to destroy locking pin The stretching motion of 3B5.

In one embodiment of the utility model, as shown in figure 5, the Rear frame 2B is equipped with the first idler wheel 2B2, institute The first idler wheel 2B2 is stated to be suitable for matching with the slideway 1B2, specifically, the inside of Rear frame 2B is equipped with the first fixing axle 2B1, First idler wheel 2B2 is rotatably disposed on the first fixing axle 2B1, passes through the cooperation between the first idler wheel 2B2 and slideway 1B2 Connection, can reduce the friction between Rear frame 2B and front frame 1B so that relative motion between Rear frame 2B and front frame 1B It is more smooth and light.Preferably, the first idler wheel 2B2 is multiple, and along between the extending direction of the Rear frame 2B Every setting, Rear frame 2B can be made more to stablize relative to the movement of front frame 1B by the way that multiple first idler wheel 2B2 are arranged.

In one embodiment of the utility model, as shown in fig. 6, crossbeam 4B is additionally provided on the Rear frame 2B, it is described Crossbeam 4B is connected to the bottom end of the Rear frame 2B, specifically, is welded by welding in the bottom end of Rear frame 2B multiple Crossbeam 4B, lockable mechanism 3B are connected to the upper of crossbeam 4B, by the way that crossbeam 4B is arranged in the bottom end of Rear frame 2B, on the one hand can add On the other hand the overall construction intensity of deck transverse 4B can also mitigate the overall weight of Rear frame 2B, make Rear frame 2B more Merrily and lightheartedly, handling more superior.

Further, as shown in figure 3, the crossbeam 4B is equipped with the second idler wheel 4B2, the rolling of the second idler wheel 4B2 Face and the medial surface of the front frame 1B offset only, specifically, the second fixing axle 4B1, the second idler wheel 4B2 are equipped on crossbeam 4B It is rotatably disposed on the second fixing axle 4B1, and when Rear frame 2B makees stretching motion relative to front frame 1B, the second idler wheel The rolling surface of 4B2 can be rolled along the medial surface of front frame 1B, that is to say, that the first idler wheel is arranged in the inside of Rear frame 2B 2B2 is connected with the outboard runner 1B2 of front frame 1B, and the second idler wheel 4B2 and front frame are arranged on the crossbeam 4B of Rear frame 2B The medial surface of 1B is in contact, and can make to perform relative motion between Rear frame 2B and front frame 1B in this way makes, and more stablizes, and can By property higher.

In one embodiment of the utility model, pass through fastening between the guide pad 3B6 and the installation base plate 3B7 Part is fixedly connected.Specifically, it is fixedly connected by screw between the guide pad 3B6 and the installation base plate 3B7, the guiding Block 3B6 is equipped with multiple first mounting holes, and the installation base plate 3B7 is equipped with multiple second mounting holes, and the multiple first is solid Determine hole to correspond with the multiple second mounting hole, the screw sequentially passes through first mounting hole and described second and fixes Hole.Guide pad 3B6 is fixedly connected with installation base plate 3B7 by screw, convenient disassembly, convenient for safeguarding and repairing lockable mechanism 3B, and reliability is high.

In some embodiments of the utility model, the mounting plate 3B2 includes support portion and is formed in the support portion The interconnecting piece of both sides, the interconnecting piece are connected with the installation base plate 3B7, and the support portion is equipped with mounting hole, the rocking arm 3B3 is connected by mounting hole with the motor 3B1, specifically, is connected by screw between interconnecting piece and installation base plate 3B7, electricity Machine 3B1 is fixed on by fastener on support portion, such as screw connection, and company can be played to motor 3B1 by the way that support portion is arranged The effect of support is connect, can also be played a protective role to motor 3B1, setting mounting hole can facilitate rocking arm 3B3 and motor 3B1 phases Even.

Preferably, the angle between the support portion and the interconnecting piece is right angle, by by support portion and interconnecting piece it Between be vertically arranged, such interconnecting piece can also play a supporting role to support portion, and the overall structure of mounting plate 3B2 is made more may be used It leans on.

In one embodiment of the utility model, as shown in fig. 7, passing through between the motor 3B1 and the rocking arm 3B3 Spline structure connects, and spline gear 3B11 is fixed on the axis of the motor 3B1, the rocking arm 3B3 is equipped with splined hole, described Splined hole is matched with the spline gear 3B11, by realizing the connection between motor 3B1 and rocking arm 3B3 in spline structure, Motor 3B1 can be made to drive the rotation of rocking arm 3B3.

Preferably, the thickness of the spline gear 3B11 is more than the thickness of splined hole, can make spline gear 3B11 in this way Connection between splined hole is relatively reliable, and spline structure is made more steadily to transmit torque.

In one embodiment of the utility model, as shown in Figure 1, the back seat supporting section 2D and linkage section 1D Between angle be 120 degree, the angle between back seat support end and linkage section 1D is 120 degree, is more in line with structoure of the human body, improve The comfort level of driver.

In one embodiment of the utility model, transition is set between the back seat supporting section 2D and the linkage section 1D Section 3D, the changeover portion 3D are arc structure, by the changeover portion 3D that arc structure is arranged in back seat supporting section 2D and connecting pin The stress concentration phenomenon that the junction generation of back seat supporting section 2D and connecting pin can be effectively reduced, can improve back seat supporting section Volume fatigue strength between 2D and linkage section 1D.

Further, secondary segment is additionally provided on the seat 4D, the secondary segment includes being connected with the linkage section 1D The first connecting portion 4D1 and second connecting portion 4D2 for being integrally formed in the one end the first connecting portion 4D1, specifically, secondary segment is It is integrally formed part symmetrical member, first connecting portion 4D1 can be connected with linkage section 1D by welding, second connecting portion 4D2 For horizontally disposed gusset, protection can be played the role of to driver.

In one embodiment of the utility model, cushion block is equipped between the seat 4D and the back seat supporting section 2D 5D will effectively can be connected between seat 4D and back seat supporting section 2D by the way that cushion block 5D is arranged, branch played to seat 4D The effect of support.

Further, the side that the cushion block 5D is in contact with the back seat supporting section 2D is equipped with arc groove, the circular arc Slot is matched with the back seat supporting section 2D periphery walls, can increase cushion block 5D with after by the way that arc groove is arranged on cushion block 5D The contact area of seat supports section 2D, to enhance the reliability of connection.Preferably, the cushion block 5D is two, is symmetrically set in institute The both sides back seat supporting section 2D are stated, it can be relatively reliable to the support of seat 4D with back seat supporting section 2D by the way that two cushion block 5D are arranged And stabilization.

Further, multiple support plate 6D are equipped between the first connecting portion 4D1 and the back seat supporting section 2D, specifically First connecting portion 4D1 is connected with back seat supporting section 2D by support plate 6D, it is strong can to improve whole structure in this way by ground Degree.

In one embodiment of the utility model, fixed by fastener between the link 2E and the rear axle 1C Connection, specifically, is fixedly connected between the link 2E and the rear axle 1C by bolt 5E, the lower end of the rear axle 1C Equipped with connecting plate 1C1, the connecting plate 1C1 is equipped with multiple first positioning holes, and it is fixed that the link 2E is equipped with multiple second Position hole, the multiple first positioning hole and the multiple second location hole correspond, and the bolt 5E sequentially passes through described the Link 2E, can effectively be connect, and can by a positioning hole and the second location hole by this connection type with rear axle 1C By property height, convenient disassembly is convenient for the maintenance and repair in later stage.

Further, the rear frame 1E includes first horizontal segment, the second horizontal segment and connection first horizontal segment and second The changeover portion of horizontal segment, and second horizontal segment is higher than the first horizontal segment, and set on the upper end of the rear axle 1C, by vehicle Tailstock 1E is designed to that this structure can effectively be supported rear vehicle seat, keeps rear vehicle seat more steady, and structure letter Single, reliability is high.Preferably, the junction of the changeover portion and the first horizontal segment, the second horizontal segment is equipped with chamfering, leads to Stress between first horizontal segment and changeover portion and between the second horizontal segment and changeover portion can be effectively reduced by crossing setting chamfering It concentrates, to improve the fatigue strength of rear frame 1E.It is worth noting that being integrated between rear frame 1E and Rear frame 2B Type can improve the structural strength of damping 50 in this way.

Further, the rear frame 1E is equipped with connection otic placode 4E, and the connection otic placode 4E is equipped with connecting hole, described The third connecting pin 2E1 of link 2E is equipped with hinge hole, and hinge hole is corresponding with the connecting hole, and axis pin passes through the hinge Connect hole and the connecting hole, by be arranged on rear frame 1E connection otic placode 4E may be implemented link 2E and rear frame 1E it Between articulated connection, and then realize the flexible connection between link 2E and rear frame 1E, crossing potted road surface or unilateral taking turns When lanyard, rear frame 1E is in downward alternating compression damper 3E, and then it is downward so that the 4th connecting pin 2E2 of link 2E is generated The power of deformation, and the articulated connection of third connecting pin 2E1 can effectively buffer this deformation impact power.

Further, as shown in Figure 8, Figure 9, the damper 3E include lower cylinder body 3E1, it is scalable be set to the lower cylinder body The helical spring 3E3 of piston rod 3E2 and connection the lower cylinder body 3E1 and the piston rod 3E2 in 3E1.Specifically, lower cylinder body Hydraulic oil is equipped in 3E1, in piston rod 3E2s of the rear frame 1E in downward alternating compression damper 3E, piston rod 3E2 is downward Movement, hydraulic oil play the role of tentatively buffering to piston rod 3E2, and spiral shell can be also compressed while piston rod 3E2 is moved downward Spring 3E3 is revolved, to which helical spring 3E3 plays further cushioning effect to piston rod 3E2, can be had by the way that damper 3E is arranged The buffering electric vehicle of effect caused impact force when passing through hollow and deceleration strip during advancing.

Further, as shown in Figure 8, Figure 9, the piston rod 3E2 is equipped with first baffle 3E4, the lower cylinder body 3E1 On can be equipped with second baffle 3E5 up and downly, the helical spring 3E3 is set to the first baffle 3E4 and second baffle 3E5 Between, it specifically, is connected through a screw thread between the lower cylinder body 3E1 and the second baffle 3E5, the lower cylinder body 3E1's is outer Peripheral wall is equipped with external screw thread, the second baffle 3E5 be equipped with the matched internal thread of the external screw thread, by by second baffle 3E5 is designed to mobilizable structure, can carry out elastic adjusting to the elasticity of helical spring 3E3 according to actual needs, make damping The damping effect of device 3E reaches optimum state.

Preferably, the rear frame 1E, the link 2E are steel pipe fitting, and rear frame 1E and link 2E use steel pipe Part is easy to process and manufactures, and production efficiency is high, and manufacturing cost is low, and structural strength is high, and can effectively reduce damping 50 Weight, so that electric vehicle performance is improved.

In the description of the utility model, it is to be understood that the instructions such as term "upper", " upper end ", "lower", " lower end " Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than shown in indicating or implying Device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as new to this practicality The limitation of type.

In addition, term " first ", " second " are used for description purposes only, and should not be understood as indicating or implying relatively important Property or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Person implicitly includes one or more this feature.The meaning of " plurality " is two or two in the description of the present invention, More than a, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, fisrt feature is "above" or "below" second feature Can be that fisrt feature is in direct contact with second feature or the first and second features pass through intermediary mediate contact.

In the present invention unless specifically defined or limited otherwise, the arts such as term " connected ", " connection ", " fixation " Language should broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or be integrally formed；Can be machinery Connection；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements or two The interaction relationship of a element.For the ordinary skill in the art, above-mentioned art can be understood as the case may be The concrete meaning of language in the present invention.

In the description of the specification of the utility model, reference term " one embodiment ", " some embodiments " etc. are retouched It states and means that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in the utility model extremely In few one embodiment or example.In the present specification, schematic expression of the above terms are necessarily directed to identical Embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more implementations It can be combined in any suitable manner in example or example.In addition, without conflicting with each other, those skilled in the art can be by this Different embodiments or examples and different embodiments or exemplary feature described in specification are combined.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (10)

1. a kind of Telescopic electric tricycle, which is characterized in that the electro-tricycle includes：

Chassis (20), the chassis (20) include：Front frame (1B), front frame (1B) outside is equipped with slideway (1B2), described First position and the second position on the inside of front frame (1B) are equipped with limited block (1B1), and the limited block (1B1) is equipped with limiting slot (1B11)；Rear frame (2B), the Rear frame (2B) are slidingly disposed in the slideway (1B2), and the Rear frame (2B) exists It is slided between the first position and the second position；And lockable mechanism (3B), the lockable mechanism (3B) are set to described In Rear frame (2B), the Rear frame (2B) is locked at the first position or the second place, when the locking When mechanism (3B) is located at the first position, the chassis (20) is in extended configuration；When the lockable mechanism (3B) is located at institute When stating the second position, the chassis (20) is in contraction state；

Vehicle seat, the vehicle seat (40) include：Linkage section (1D), the linkage section (1D) is set on the chassis (20), with front wall Supporting section (1A) is connected；Back seat supporting section (2D), the back seat supporting section (2D) are connected with the linkage section (1D), and described Front wall supporting section (1A), linkage section (1D) and back seat supporting section (2D) are symmetrical member, and are integrally formed；With seat (4D), institute Seat (4D) is stated on the back seat supporting section (2D)；And

Damping (50), the damping (50) are set on rear vehicle seat, including：Rear frame (1E), the rear frame (1E) Set on the upper end of rear axle (1C), including the first connecting pin (1E1) and second connection end (1E2), first connecting pin (1E1) with The chassis (20) is connected；Link (2E), the link (2E) be set to the rear axle (1C) lower end, and with it is described after Bridge (1C) is connected, including third connecting pin (2E1) and the 4th connecting pin (2E2), the third connecting pin (2E1) and the tailstock Frame (1E) is hinged and connected；And damper (3E), the damper (3E) connect set on the second connection end (1E2) with the 4th Between end (2E2).

2. Telescopic electric tricycle according to claim 1, which is characterized in that the Rear frame (2B) is equipped with installation Substrate (3B7), the lockable mechanism (3B) are arranged on installation base plate (3B7), and the lockable mechanism (3B) includes：

Motor (3B1)；

Mounting plate (3B2), the motor (3B1) are mounted on the mounting plate (3B2), are connected with the installation base plate (3B7)；

Rocking arm (3B3), the rocking arm (3B3) are rotatably disposed on the mounting plate (3B2), and with the motor (3B1) phase Even；

Connecting rod (3B4), one end and the rocking arm (3B3) of the connecting rod (3B4) are articulated and connected；And

Guide pad (3B6) and locking pin (3B5), the guide pad (3B6) is connected on the installation base plate (3B7), described One end of locking pin (3B5) is telescopically arranged in the guide pad (3B6), the other end of the locking pin (3B5) It is articulated and connected with the other end of the connecting rod (3B4),

When the motor (3B1) is rotated forward, the rocking arm (3B3) rotates clockwise, and drives the lock pin in the guide pad (3B6) is introversive to make contractile motion close to the position the mounting plate (3B2), and the lock pin is made to detach the limited block (1B1) Limiting slot (1B11)；When the motor (3B1) is inverted, the rocking arm (3B3) rotates counterclockwise, and drives the lock pin in institute It states introversive stretch out away from the position the mounting plate (3B2) work of guide pad (3B6) to move, is inserted into the limit of the limited block (1B1) In slot (1B11).

3. Telescopic electric tricycle according to claim 2, which is characterized in that be equipped with and lead in the guide pad (3B6) Hole, the locking pin (3B5) match with the guide hole.

4. Telescopic electric tricycle according to claim 3, which is characterized in that the locking pin (3B5) includes pin Shaft body (3B51) and the limiting section (3B52) for being integrally formed in the one end the pin body (3B51), and the limiting section The outer diameter of (3B52) is more than the internal diameter of the guide hole.

5. Telescopic electric tricycle according to claim 1, which is characterized in that the back seat supporting section (2D) with it is described Angle is 120 degree between linkage section (1D).

6. Telescopic electric tricycle according to claim 5, which is characterized in that the back seat supporting section (2D) with it is described Changeover portion (3D) is set between linkage section (1D), and the changeover portion (3D) is arc structure.

7. Telescopic electric tricycle according to claim 6, which is characterized in that be additionally provided with auxiliary on the seat (4D) Section, the secondary segment include the first connecting portion (4D1) being connected with the linkage section (1D) and be integrally formed in it is described first company The second connecting portion (4D2) of the one end socket part (4D1).

8. Telescopic electric tricycle according to claim 7, which is characterized in that the seat (4D) and the back seat branch Cushion block (5D) is equipped between support section (2D).

9. Telescopic electric tricycle according to claim 1, which is characterized in that the damper (3E) includes lower cylinder body (3E1), scalable piston rod (3E2) and the connection lower cylinder body (3E1) in the lower cylinder body (3E1) and the piston The helical spring (3E3) of bar (3E2).

10. Telescopic electric tricycle according to claim 9, which is characterized in that the piston rod (3E2) is equipped with the One baffle (3E4) can be equipped with second baffle (3E5), the helical spring (3E3) on the lower cylinder body (3E1) up and downly Between the first baffle (3E4) and second baffle (3E5).