CN201951581U

CN201951581U - Two-wheel vehicle lifting frame

Info

Publication number: CN201951581U
Application number: CN2011200554254U
Authority: CN
Inventors: 朱安定; 刘路
Original assignee: Suzhou Eagle Electric Vehicle Manufacturing Co Ltd
Current assignee: Suzhou Eagle Electric Vehicle Manufacturing Co Ltd
Priority date: 2011-03-04
Filing date: 2011-03-04
Publication date: 2011-08-31
Anticipated expiration: 2021-03-04

Abstract

The utility model relates to a two-wheel vehicle lifting frame, which comprises two front wheel driving rods in parallel arrangement, wherein each front wheel driving rod comprises a first slide rod and a second slide rod, the second slide rod is connected with wheels, and the first slide rod can slide relative to the second slide rod, the two-wheel vehicle lifting frame also comprises an operation part which is connected to the second slide rod and can control the lifting of a front wheel, the operation part comprises a rotating shaft, a lifting operation rod and a lifting connecting frame fixedly connected with the lifting operation rod, the lifting connecting frame is sheathed on the rotating shaft and can rotate around the rotating shaft, the lifting connecting frame comprises a driving plate and a stop plate, the rotating shaft passes through the driving plate and the stop plate, and the driving plate and the stop plate can rotate around the rotating shaft. The two-wheel vehicle lifting frame has the beneficial effects that the front wheel can be very conveniently lifted.

Description

The two-wheel car alighting gear

Technical field

The utility model relates to a kind of two-wheel car alighting gear.

Background technology

Along with the development of society, the improving constantly of living standards of the people, two-wheel car more and more becomes people's walking-replacing tool, brings great convenience for people's life.

In the prior art, the Parking of two-wheel car generally has dual mode, respectively corresponding two kinds of foot rests, and a kind of foot rest is single leg, another kind is two legs.The foot rest of single leg generally is located at body bottom one side, when two-wheel car is stopped, open foot rest, and make body side to foot rest one side, and realizing supported at three point by two tires and foot rest, this Parking mode is more laborsaving, but deficiency is vehicle body and need tilts to park, foot rest is born big weight, makes two-wheel car stable inadequately, swings to support one side easily; The foot rest of two legs comprises two legs, two legs are symmetrically set in the vehicle body both sides, utilize the foot rest of two legs to park two-wheel car, and vehicle body does not need to tilt, rely on two legs and one of them tire to finish supported at three point, so more stable, be not easy down, but problem is, the two-wheel car vehicle body is often heavier, need lift vehicle body when parking, require great effort very much, weak being difficult to finished.

In view of this, be necessary to provide a kind of new two-wheel car halting mechanism.

The utility model content

At the deficiencies in the prior art, the technical matters that the utility model solves provides a kind ofly can control the alighting gear that front-wheel lifts.

For solving the problems of the technologies described above, the technical solution of the utility model is achieved in that a kind of two-wheel car alighting gear, comprise two f-w-d bars that be arranged in parallel, each f-w-d bar comprises first sliding bar and second sliding bar, second sliding bar is connected with wheel, first sliding bar can slide with respect to described second sliding bar, wherein also comprise the manoeuvre portion that a may command front-wheel that is connected to second sliding bar rises and falls, described manoeuvre portion comprises a turning cylinder, the joystick that rises and falls, be fixedly connected on the link span that rises and falls of the joystick that rises and falls, the link span that rises and falls is sheathed on turning cylinder and the moving axis that can rotate rotates, the described link span that rises and falls comprises drive plate and check plate, turning cylinder passes described drive plate and check plate, and drive plate and the check plate moving axis that can rotate rotates.

Further, be connected with connecting arm on described drive plate and the check plate respectively, an end accentric of connecting arm and coaxial drive plate and the check plate of being arranged at, the other end of two connecting arms is connected with a damping pipe link.

Further, the described joystick both sides of rising and falling are provided with the pair of metal plate, and the two ends of turning cylinder are fixed on the metal sheet.

Further, metal sheet is provided with chute, and alighting gear also is provided with a Metallic rod, and Metallic rod is passed the coupling end of damping pipe link and connecting arm, and Metallic rod is passed described chute and can be slided along chute.

Further, also comprise a braking roll, be arranged with first retainer that is used for the stop check plate and second retainer on the braking roll respectively in order to cooperate with drive plate, also be arranged with spring on the braking roll between described first retainer and second retainer, the two ends of described spring connect first retainer and second retainer respectively, and make described first retainer and second retainer have the power that opposite sense rotates.

Further, described first retainer comprises support division and projection, and check plate is provided with to match with this support division realizes the grab spacing to check plate, and described second retainer be " L " shape, comprises that vertical edge reaches limit anyhow.

Further, also be provided with a stopper on the described turning cylinder, stopper is arranged at the side towards drive plate of check plate, comprise arc chute, the rotatable arc port that is sheathed on described turning cylinder, convexedly stretch in the convex extension part of check plate top and bayonet socket and the breach of being located at described stopper side, described check plate also is fixed with round bar towards drive plate one side, and described round bar passes arc chute, and stopper can slide around arc port and along the scope of arc chute.

Further, can match with the bayonet socket and the breach of described stopper in the limit anyhow of described second retainer, and the vertical edge of described second retainer can connect with described drive plate.

Further, described f-w-d bar is the fluid pressure type guide rod, is fixedly connected with lower linking plate between described two second sliding bars, and described manoeuvre portion is connected with described lower linking plate.

Further, described alighting gear also comprises a plate, and described connecting panel one end is rotationally connected with two-wheel car, and the other end is rotationally connected with described lower linking plate, and described damping pipe link one end connects manoeuvre portion, and the other end is rotationally connected with described connecting panel.

Compared with prior art, the beneficial effects of the utility model are: by the motion of the joystick control f-w-d bar that rises and falls, can lift front-wheel easily, and it is stable, convenient, laborsaving to stop.

Description of drawings

Figure 1 shows that the schematic perspective view after the utility model vehicle frame, headstock assembly and wheel assembly are assembled.

Figure 2 shows that the schematic perspective view of the utility model vehicle frame.

Figure 3 shows that the schematic perspective view of the utility model connecting element.

Figure 4 shows that the utility model first capstan winch and the interactional scheme drawing of second capstan winch.

Figure 5 shows that the schematic perspective view of the utility model headstock assembly.

Figure 6 shows that the schematic perspective view of the utility model manoeuvre portion.

Figure 7 shows that the three-dimensional exploded perspective view of the utility model manoeuvre portion.

Figure 8 shows that the schematic perspective view of the utility model stopper.

Figure 9 shows that the schematic perspective view of the utility model foot rest.

The specific embodiment

Join shown in Figure 1ly, two-wheel car of the present utility model comprises vehicle frame 10, lay respectively at the front-wheel and the trailing wheel (not shown) at vehicle frame 10 the place aheads and rear, be located at vehicle frame 10 the place aheads headstock assembly 20, be located at the wheel assembly 30 at vehicle frame 10 rears and be connected in halting mechanism 40 on the vehicle frame 10.

Join shown in Figure 2ly, vehicle frame 10 comprises support beam 11, side stand 12 and seat bracket 13, and the assembling of support beam 11, side stand 12 and seat bracket 13 makes vehicle frame integral body be cradle-type.

Support beam 11 is set to two, is respectively first support beam and second support beam that are positioned at same plane, and each support beam 11 is made for the bigger metal material of hardness, and its top is formed with groove (ginseng Fig. 3) along longitudinally, and the cross section is concave shape.Each support beam 11 comprises the flat part 111 of rectangle, from first bending part 112 of flat part 111 1 ends bendings and from second bending part 113 of flat part 111 other ends bending, first kink 112 and second kink 113 are positioned at the same side of flat part 111, and first kink 112 and second kink 113 and flat part 111 form the recess of a spill, two support beams 11 dorsad and be horizontally disposed with, recess is towards opposite sense.Join Fig. 5 by a metal shaft 14(between two flat parts 111) captive joint, the connecting arm 15 by arc between two first bending parts 112 connects.Side stand 12 is symmetrically set in support beam 11 both sides, each side stand 12 is roughly L-shaped, comprise the horizon bar 121 and the roughly vertical vertical rod 122 that are positioned at support beam 11 belows with horizon bar, horizon bar 121 is captiveed joint with second bending part 113 of support beam 11, and vertical rod 122 is fixedly connected on first bending part 112 of support beam 11 by leg-of-mutton connecting element 16; Seat bracket 13 is fixedly connected on second bending part, 113 tops of support beam 11, comprises in order to the base support 131 of underwriter's body weight and in order to the back bracket 132 against human body back.

Vehicle frame 10 of the present utility model makes the integral body of vehicle frame 10 be cradle-type by the connection of support beam 11, side stand 12 and seat bracket 13, and the driver is more comfortable under steam.Because support beam 11 for the sheet metal bending forms, can bear bigger pressure and impact, improved the solidness of vehicle frame 10 greatly simultaneously.

Join shown in Figure 3ly, connecting element 16 is in order to fixation side support 12 and support beam 11, comprises in order to the accepting groove 161 of accommodating vertical rod 122 and in order to connect the extension 162 of support beam 11.When two-wheel car was subjected to clashing into, connecting element 16 was passed to support beam 11 with external force, because support beam 11 comparatively robusts, can effectively keep out exterior stressedly, avoided the bigger distortion of two-wheel car, and then the protection driver.

Join shown in Figure 5ly, headstock assembly 20 is connected in the place ahead of vehicle frame 10, comprises handlebar 21 and alighting gear 29.Alighting gear 29 comprises f-w-d bar 23, and f-w-d bar 23 comprises two fluid pressure type guide rods that be arranged in parallel, and by lower linking plate 17 fixing and connections, the end of f-w-d bar 23 is connected with front-wheel between two f-w-d bar 23.F-w-d bar 23 is rotationally connected with vehicle frame 10 by a plate 18, wherein, one end of connecting panel 18 is sheathed on the described metal shaft 14, and to realize being rotationally connected of connecting panel 18 and vehicle frame 10, the other end of connecting panel 18 is rotationally connected with on the lower linking plate 17 by bearing.Between manoeuvre portion 22 and connecting panel 18, also be connected with damping pipe link 19, damping pipe link 19 can also drive connecting panel 18 by up-and-down movement and rotate around metal shaft 14 when playing cushioning effect, and then passes through rotation the stretching up and down with driving f-w-d bar 23 of connecting panel 18.

Ginseng Fig. 1, Fig. 6 and shown in Figure 9, halting mechanism 40 comprises that foot rest 41 and is in order to control the foot rest joystick 42 of described foot rest 41.Foot rest 41 rotating being installed on the horizon bar 121, it comprises three legs (not label), wherein two legs are rotationally connected with respectively on two horizon bars 121, be fixedly connected with round bar 411 between these two legs, the 3rd leg is fixed on this round bar 411, and the bottom of three legs of described foot rest 41 is positioned at same plane.Foot rest 41 is connected on the horizon bar 121 by spring away from an end of horizon bar 121, described spring is strained foot rest 41 and is driven foot rest 41 and rotates horizon bar 121, definition foot rest 41 position this moment is a primary importance, and definition foot rest 41 deviates from horizon bar 121 from primary importance, and to rotate 90 upright positions when spending be the second place.Foot rest joystick 42 is positioned on the manoeuvre portion 22, turns to the second place in order to control foot rest 41 from primary importance.On foot rest joystick 42 and foot rest 41, be fixedly connected with first capstan winch 421 and second capstan winch, 412, the first capstan winches 421 and second capstan winch 412 respectively and can be same capstan winch.Be provided with turning cylinder 225 between two metal sheets 222, first capstan winch 421 is sheathed on this turning cylinder, the end of foot rest joystick 42 is fixed with link span 226, link span 226 rotates to be located on the turning cylinder 225 and with first capstan winch 421 and fixes, and can drive first capstan winch 421 and rotate when manipulation foot rest joystick 42 upwards lifts and rotate moving axis 225 rotations.

Join shown in Figure 4ly, be connected with the hawser 43 of the figure of eight between first capstan winch 421 and second capstan winch 412, each capstan winch is provided with two grabs 413, and described grab 413 is in order to an end of the described hawser 43 of captive joint.A grab on first capstan winch 421 is connected in a grab on second capstan winch 412 by hawser, and another grab on first capstan winch 421 is connected in second grab on second capstan winch 412 by hawser.When first capstan winch 421 under the driving of foot rest joystick 42 when first direction rotates, the grab on first capstan winch 421 can spur corresponding grab on second capstan winch 412 by hawser, and drives second capstan winch 412 and rotate around third direction, and then drives foot rest 41 and rotate; When first capstan winch 421 under the driving of foot rest joystick 42 when the second direction opposite with first direction rotated, grab on first capstan winch 421 can spur corresponding grab on second capstan winch 412 by hawser, and drive second capstan winch 412 around the four directions opposite with third direction to rotation, and then drive foot rest 41 and rotate.

With reference to figure 4, form an opening between two grabs of each capstan winch, be respectively first opening and second opening.First capstan winch 421 is arranged at the top at foot rest joystick 42 places, and opening is towards handlebar assembly 20 place direction, i.e. the place aheads; Second capstan winch 412 is arranged at the below at foot rest 41 places, below, and opening is towards the rear.Hawser 43 comprises two altogether, be respectively first hawser 431 and second hawser 432, one end of first hawser 431 is connected in first capstan winch 421 by last grab, walking around first capstan winch 421 from the top of first capstan winch 421 extends downwards, and pass two capstan winch lines of centres, from the below of second capstan winch 412 be connected to second capstan winch 412 by under grab; Second hawser, 432 1 ends are connected in the below grab of first capstan winch 421, and the other end is connected to the top grab of second capstan winch 412.Two hawsers are the eight shape setting.When first capstan winch 421 when anticlockwise direction rotates, first hawser 431 drives second capstan winch, 412 clickwises, and foot rest 41 is rotated to the second place; When first capstan winch 421 during around right-hand revolution, second hawser 432 drives second capstan winch, 412 left-hand revolutions, and foot rest is rotated to primary importance.

When foot rest 41 was positioned at the second place, the bottom of front-wheel, trailing wheel and foot rest was positioned at same plane.Be easy to expect, when foot rest 41 when primary importance turns to the second place, also can there be a less clearance bottom of foot rest 41 with ground, promptly is higher than the plane at trailing wheel and front-wheel place.

In the utility model, it is to realize like this that foot rest 41 turns to the second place from primary importance

1, handles foot rest joystick 42;

2, foot rest joystick 42 drives first capstan winch 421 rotates;

3, first capstan winch 421 spurs hawsers and drives second capstan winch 412 and rotates;

4, second capstan winch 412 drives foot rests 41 and rotates, and makes foot rest 41 turn to the second place from primary importance, and spring was stretched and made foot rest have the moment of rotating to the primary importance direction from the second place this moment.

When foot rest 41 was positioned at the second place, foot rest 41 was not played a supporting role to vehicle body.

In the utility model, earlier realize that by halting mechanism 40 foot rest foot rest 41 turns to the second place from primary importance, realizes the liftoff of front-wheels by alighting gear 29 again, thereby finishes the Parking of two-wheel car.Whole operation only need be operated the foot rest control lever 42 and the control lever 291 that rises and falls respectively, and it is stable and very convenient, laborsaving to stop.

Ginseng Fig. 5, Fig. 6 and shown in Figure 7, alighting gear 29 comprises manoeuvre portion 22, the joystick 291 that rises and falls, the damping pipe link 19 that is arranged with spring, connecting panel 18 and f-w-d bar 23.The foot rest joystick 42 and the joystick 291 that rises and falls are located on the manoeuvre portion 22, both sides at the foot rest joystick 42 and the joystick 291 that rises and falls are pair of metal plate 222, be provided with chute 223 at relative position on two metal sheets 222, a Metallic rod 224 that can slide up and down along chute 223 is set in the chute 223, the rotating Metallic rod 224 that is connected in of one end of damping pipe link 19, and can move up and down with Metallic rod 224.Joystick 291 ends that rise and fall are welded with the link span 227 that rises and falls, the link span 227 that rises and falls is sheathed on the turning cylinder 225, the link span 227 that rises and falls comprises check plate 2271 and the drive plate 2272 that be arranged in parallel, check plate 2271 and drive plate 2272 are provided with perpendicular to turning cylinder 225, be equipped with connecting arm 228 between check plate 2271 and the Metallic rod 224 and between drive plate 2272 and the Metallic rod 224, one end of connecting arm 228 is arranged on check plate 2271 and the drive plate 2272 prejudicially, and the other end is rotationally connected with Metallic rod 224.When the joystick 291 that rises and falls upwards lifts, can drive the link span 227 that the rises and falls moving axis 225 that rotates and rotate, the rotation of check plate 2271 and drive plate 2272 can drive connecting arm 228 rises, and then can drive Metallic rod 224 and slide along chute 223.

Also be provided with braking roll 229 between two metal sheets 222, be arranged with rotating first retainer 2291 and second retainer 2292 on the braking roll 229, also be arranged with spring 2293 on the braking roll 229 between first retainer 2291 and second retainer 2292, the two ends of spring 2293 connect first retainer 2291 and second retainer 2292 respectively, and make win retainer 2291 and second retainer 2292 have the power that opposite sense rotates.

First retainer 2291 is provided with support division 2294 and projection 2295, and check plate 2271 is provided with the grab 2273 that matches with this support division 2294.Before joystick 291 work of rising and falling, first retainer 2291 relies on check plate 2271 under the effect of spring 2293, and blocks grab 2273 on the check plate 2271 by support division 2294, makes the joystick 291 that rises and falls upwards to mention.The top margin of link span 226 is the arc limit of non-regular shape, form a cam structure, the projection 2295 of first retainer 2291 is pressed on the side of link span 226 arcs all the time under the effect of spring 2293, when upwards lifting, foot rest joystick 42 can push first retainer 2291 open by the arc-shaped side edges of link span 226, and the support division 2294 of the retainer 2291 of winning and the grab 2273 of check plate 2271 are broken away from, the joystick 291 that rises and falls this moment can upwards lift.The setting of first retainer 2291, the feasible joystick 291 that rises and falls must just can lift after 42 work of foot rest joystick are finished.

Second retainer 2292 is " L " shape, comprises vertical edge (not label) and limit (not label) anyhow, and it cooperates with a stopper 220 that can make rises and falls and be stopped at after joystick 291 lifts and lifts the position.Join shown in Figure 8, stopper 220 is affixed on the side of check plate 2271 towards drive plate 2272, comprise arc chute 2201, rotatable arc port 2202 of accommodating turning cylinder 225, the bayonet socket 2204 that convexedly stretches in the convex extension part 2203 of check plate 2271 tops and be located at stopper 220 sides.Check plate 2271 is fixed with round bar 2274 towards a side of drive plate 2272, and this round bar 2274 can pass in the arc chute 2201, and stopper 220 rotates along rotate in predefined angle moving axis 225 of round bar 2274.When foot rest joystick 42 upwards lifted, the side of link span 226 arcs backed down grab 2273 disengagings of support division 2294 with the check plate 2271 of projection 2295, the first retainers 2291; Lift the joystick 291 that rises and falls, check plate 2271 drives round bar 2274 and slides along arc chute 2201, this moment, stopper 220 was static, when round bar 2274 turns to chute 2201 bottom end, drive stopper 220 moving axis 225 that rotates together and rotate, drive plate 2272 curved bottom edges back down the vertical edge of second retainer 2292 simultaneously; The release joystick 291 that rises and falls, the edge that makes " L " shape of second retainer 2292 collude the stopper of edge anyhow 220 of body slides to breach 2204, simultaneously, the link span 227 that rises and falls slides along chute 2201 in release, slide to chute 2201 above the time, check plate 2271 is subjected to stopping of convex extension part 2203, thereby makes the joystick 291 that rises and falls be stopped at and lift the position.Lift the joystick 291 that rises and falls once more, drive plate 2272 drives stopper 220 and rotates, drive plate 2272 curved bottom edges back down the vertical edge of second retainer 2292, and make second retainer 2292 and bayonet socket 2204 break away from, and stopper 220 continues to rotate counterclockwise (ginseng Fig. 7, Fig. 8 angle), retainer 2292 is stuck in breach 2205, and the radius of breach 2205 is greater than the radius of bayonet socket 2204; Put down the joystick 291 that rises and falls again, when the grab 2273 that stopper 220 keeps original position not turn to check plate 2271 is connected to convex extension part 2203, at this moment, the arc lower face of drive plate 2272 is connected to second retainer 2292, second retainer 2292 is unclamped from breach 2205, and drive plate 2272 drives retainer 2292 and clockwise rotates, and the falling of joystick 291 makes front-wheel fall the bottom surface thereby realization is risen and fallen.So far, the front-wheel circulation of rising and falling is finished.

Each f-w-d bar 23 comprises that first sliding bar 231 and second sliding bar, 232, the first sliding bars 231 can relative second sliding bar, 232 directions slide, and lower linking plate 17 is fixedly connected between two second sliding bars.

In the utility model, alighting gear 29 main purposes are, when foot rest 41 when primary importance turns to the second place, by the manipulation joystick 291 that rises and falls, can make front-wheel rising built on stilts, finally realize the supporting role of trailing wheel and foot rest 41.When foot rest 41 when primary importance turns to the second place, the operation of alighting gear 29 is achieved in that

1, handles the joystick 291 that rises and falls;

2, the rise and fall rotation pulling Metallic rod 224 of joystick 291 is moved upward;

3, Metallic rod 224 is slided and is driven damping pipe link 19 upward movements along chute 223;

4, the rising of damping pipe link 19 makes connecting panel 18 rotate around metal shaft 14;

5, connecting panel 18 pullings connect second sliding bar, 232 risings of front-wheel, thereby it is liftoff to realize driving front-wheel;

6, lift the joystick 291 that rises and falls once more, front-wheel lands and contacts with the bottom surface, and formation is to the support of car body, put down foot rest joystick 42 then, first capstan winch, 421 backward rotation, and drive 412 rotations of second capstan winch, under foot rest 41 acts at this moment, turn to primary importance from the second place in second capstan winch 412 and spring.

Above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the spirit and scope of technical solutions of the utility model.

Claims

1. two-wheel car alighting gear, comprise two f-w-d bars that be arranged in parallel, each f-w-d bar comprises first sliding bar and second sliding bar, second sliding bar is connected with wheel, first sliding bar can slide with respect to described second sliding bar, it is characterized in that: also comprise the manoeuvre portion that a may command front-wheel that is connected to second sliding bar rises and falls, described manoeuvre portion comprises a turning cylinder, the joystick that rises and falls, be fixedly connected on the link span that rises and falls of the joystick that rises and falls, the link span that rises and falls is sheathed on turning cylinder and the moving axis that can rotate rotates, the described link span that rises and falls comprises drive plate and check plate, turning cylinder passes described drive plate and check plate, and drive plate and the check plate moving axis that can rotate rotates.

2. two-wheel car alighting gear according to claim 1, it is characterized in that: be connected with connecting arm on described drive plate and the check plate respectively, one end accentric of connecting arm and coaxial drive plate and the check plate of being arranged at, the other end of two connecting arms is connected with a damping pipe link.

3. two-wheel car alighting gear according to claim 2 is characterized in that: the described joystick both sides of rising and falling are provided with the pair of metal plate, and the two ends of turning cylinder are fixed on the metal sheet.

4. two-wheel car alighting gear according to claim 3, it is characterized in that: metal sheet is provided with chute, and alighting gear also is provided with a Metallic rod, and Metallic rod is passed the coupling end of damping pipe link and connecting arm, and Metallic rod is passed described chute and can be slided along chute.

5. two-wheel car alighting gear according to claim 1, it is characterized in that: also comprise a braking roll, be arranged with first retainer that is used for the stop check plate and second retainer on the braking roll respectively in order to cooperate with drive plate, also be arranged with spring on the braking roll between described first retainer and second retainer, the two ends of described spring connect first retainer and second retainer respectively, and make described first retainer and second retainer have the power that opposite sense rotates.

6. two-wheel car alighting gear according to claim 5, it is characterized in that: described first retainer comprises support division and projection, check plate is provided with to match with this support division realizes the grab spacing to check plate, and described second retainer be " L " shape, comprises that vertical edge reaches limit anyhow.

7. two-wheel car alighting gear according to claim 6, it is characterized in that: also be provided with a stopper on the described turning cylinder, stopper is arranged at the side towards drive plate of check plate, comprise arc chute, the rotatable arc port that is sheathed on described turning cylinder, convexedly stretch in the convex extension part of check plate top and bayonet socket and the breach of being located at described stopper side, described check plate also is fixed with round bar towards drive plate one side, described round bar passes arc chute, and stopper can slide around arc port and along the scope of arc chute.

8. two-wheel car alighting gear according to claim 7 is characterized in that: can match with the bayonet socket and the breach of described stopper in the limit anyhow of described second retainer, the vertical edge of described second retainer can connect with described drive plate.

9. two-wheel car alighting gear according to claim 3 is characterized in that: described f-w-d bar is the fluid pressure type guide rod, is fixedly connected with lower linking plate between described two second sliding bars, and described manoeuvre portion is connected with described lower linking plate.

10. two-wheel car alighting gear according to claim 9, it is characterized in that: described alighting gear also comprises a plate, described connecting panel one end is rotationally connected with two-wheel car, the other end is rotationally connected with described lower linking plate, described damping pipe link one end connects manoeuvre portion, and the other end is rotationally connected with described connecting panel.