CN201045063Y

CN201045063Y - Foldable bicycle

Info

Publication number: CN201045063Y
Application number: CNU2007201007677U
Authority: CN
Inventors: 苏玉宝
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-14
Filing date: 2007-03-14
Publication date: 2008-04-09
Anticipated expiration: 2017-03-14

Abstract

A collapsible bicycle comprises a front wheel and a rear wheel, a front fork of which the upper end is connected with the bicycle handle and which is equipped on the front wheel, a frame arranged between the front fork and the rear wheel, a driving mechanism which is mounted under the frame, composed of a turntable, a chain, and foot pedals, and engages with a wheel equipped on the rear wheel axle, and a seat arranged above the frame. The utility model is characterized in that front upper and lower beams of double pipes structure, rear upper and lower beams, an inclined supporting beam and a seat vertical pipe arranged in the middle are hinged to compose the frame, a butt joint end plate is arranged at the hinge joint of the front lower beam and the rear lower beam, a butt joint locking hook of the butt joint end plate is mounted under the butt joint end plate, and the locking hook is engaged with a frame locking mechanism composed of a lock plate, a pull board and a lock plate spring. The utility model employs a beam body of double pipes structure, and the beams are connected to compose a frame via hinge coupled-axles and the folding and unfolding of the frame is controlled by a locking hook. The utility model has the advantages of simple structure, convenient operation, small volume after being folded, and convenience to store and carry along.

Description

Collapsible bicycle

Technical field

The utility model relates to a kind of Foldable bicycle.

Background technology

At present, commercially available Collapsible bicycle, folding and must disassemble, assemble corresponding many places fastener when launching, even also will waste time and energy, and the vehicle frame after folding still takies relatively large space by special tool, be not easy to collection and carry.

Summary of the invention

The purpose of this utility model is at the problems referred to above, provide a kind of and fold and launch conveniently, and it is little to take up room after folding, the Collapsible bicycle of conveniently collecting and carrying.

The technical scheme that realizes above-mentioned purpose is: a kind of Collapsible bicycle, it includes a front vehicle wheel and a rear wheel, match with front vehicle wheel and to be equipped with the upper end and to be connected the car front fork of handlebar, in between car front fork and rear wheel, be provided with vehicle frame, the bottom of its vehicle frame is equipped with by wheel disc, the driver train that chain and pedal are formed matches with the flywheel on being installed in the rear wheel wheel shaft, upper end at vehicle frame is equipped with vehicle seat, its described vehicle frame is by the preceding upper beam of double pipe structure, preceding underbeam, put the beams in place in the back, back underbeam and place the inclined strut beam of medium position, the vehicle seat standpipe is through being hinged composition, hinging place at preceding underbeam and back underbeam is provided with a pair of butt end panel, be provided with end plates butt joints lock hook in the lower end of butt end panel, be provided with by jam plate with the lock hook phase configuration and be assemblied in the pull bar on the jam plate and be placed on the vehicle frame lockout mechanism that the spring on the pull bar is formed.

The technical solution of the utility model also comprises: the lower end at the back underbeam is connected with L-shaped car leg; Be provided with a pair of car front fork upper tube body that is hinged and connected to together and is connected with respective end car vertical tube of front fork separately respectively on the top of car front fork and be connected end plate, be connected the end plate phase configuration with two and be provided with the end plate butt joint card that is locked, be provided with handlebar and the car vertical tube of front fork captive nut of being with handle in the upper end of handlebar.

The beam body that the utility model adopts two-tube body structure is by being hinged the composition vehicle frame, and utilizes the folding of a lock hook control vehicle frame and launch, have simple in structure, folding with launch easy to operately, it is little to fold the rear space volume, the characteristics of conveniently collecting and carrying.

Description of drawings

Fig. 1 is this Collapsible bicycle structural representation;

Fig. 2 is this folding frame for bicycle lockout mechanism structural representation.

The specific embodiment

In conjunction with the accompanying drawings the specific embodiment of the present utility model is described.

As accompanying drawing, this Collapsible bicycle includes a front vehicle wheel 1 and a rear wheel 16, match with front vehicle wheel and to be equipped with the upper end and to be connected the car front fork 2 of handlebar 4, in between car front fork and rear wheel, be provided with vehicle frame, be equipped with by wheel disc 9 in the bottom of vehicle frame, the driver train that chain 15 and pedal 10 are formed matches with the flywheel 17 on being installed in the rear wheel wheel shaft, be equipped with vehicle seat 13 in the upper end of vehicle frame, its described vehicle frame is by the preceding upper beam 7 of double pipe structure, preceding underbeam 8, the back puts the beams in place 14, back underbeam 18 and the inclined strut beam 11 that places medium position, vehicle seat standpipe 12 is through being hinged composition.The two-tube body of its double pipe structure is with the balanced configuration of the car body left and right sides, and the hinge contact adopts the horizontal jointed shaft to link to each other.Be provided with respectively a pair of the erecting of captiveing joint with preceding underbeam and back underbeam and being hinged at the hinging place of preceding underbeam 8 and back underbeam 18 and put butt end panel 20 in the upper end, be set with the end plate butt joint lock hook 25 of a horizontal in the lower end of the butt end panel that is connected with preceding underbeam, matching with lock hook places a side of back underbeam end plates to be provided with jam plate 24, is provided with the pull bar 21 that outer casing spring 22 and upper end have draw ring in the upper end of jam plate.During concrete enforcement, jam plate 24 and spring 22 are assemblied in the jam plate box 23, and pull bar 21 is passed by the tie rod hole of jam plate box upper end, and the draw ring of pull bar upper end places the top of jam plate box.When folding car body, spur jam plate upward, jam plate and lock hook are broken away from after, rearward spur handlebar, its each beam body and vehicle seat standpipe of forming vehicle frame can be finished folding of bicycle around articulated axle rotation separately.

The utility model is hinged in the lower end of back underbeam 18 and is connected to a L-shaped car leg 19, and its car leg stands on the ground-surface while being used to support car body, also can be used for the opening operation of vehicle frame lockout mechanism.During concrete enforcement, jam plate 24 is arranged to the middle structure that offers the groove that embeds for lock hook 25, the plate body structure that the groove that embeds for lock hook is arranged in the middle of the anterior bending end of car leg also is arranged to, when the car leg is in erectility, the anterior plate body both sides of car leg bending segment contact and upwards promote jam plate with jam plate, and the hook that unlocks is to the locking of two butt end panels, the unlocking operation before finishing bicycle and folding.

The utility model is provided with on the top of car front fork that a pair of articulated axle by a side is hinged together and the car front fork upper tube body that is connected with respective end vertical tube of front fork separately respectively is connected end plate 3, its opposite side with respect to articulated axle disposes end plate and docks the card 6 that is locked on two connection end plates, be provided with the handlebar and the car vertical tube of front fork captive nut 5 of band handle in the upper end of handlebar 4, be used to realize the collapsible of car front fork.During concrete enforcement, fixed card 6 can be arranged to the structure that the screw thread locknut with handle cooperates with the hinge bar.

The stretcher of this bicycle pedal 10 also can be arranged to the structure that is hinged through hinge and pedal crank, to realize the folding of stretcher.

When the utility model was specifically implemented, the articulated axle connection that can be provided with by the articulated axle and the lower end at upper beam 14 middle parts, back was provided with car rack, and the installation of its car rack does not influence the expansion of this bicycle and folds.

This Collapsible bicycle need dispose or mechanism and parts such as configurable brake, mudwing, belongs to prior art, is not giving unnecessary details one by one.

Claims

1. Collapsible bicycle, include a front vehicle wheel and a rear wheel, match with front vehicle wheel and to be equipped with the upper end and to be connected the car front fork of handlebar, in between car front fork and rear wheel, be provided with vehicle frame, the bottom of its vehicle frame is equipped with by wheel disc, the driver train that chain and pedal are formed matches with the flywheel on being installed in the rear wheel wheel shaft, upper end at vehicle frame is equipped with vehicle seat, it is characterized in that: described vehicle frame is by the preceding upper beam of double pipe structure, preceding underbeam, put the beams in place in the back, back underbeam and place the inclined strut beam of medium position, the vehicle seat standpipe is through being hinged composition, hinging place at preceding underbeam and back underbeam is provided with a pair of butt end panel, be provided with end plates butt joints lock hook in the lower end of butt end panel, be provided with by jam plate with the lock hook phase configuration and be assemblied in the pull bar on the jam plate and be placed on the vehicle frame lockout mechanism that the spring on the pull bar is formed.

2. Collapsible bicycle according to claim 1 is characterized in that: the lower end at the back underbeam is connected with L-shaped car leg.

3. Collapsible bicycle according to claim 1, it is characterized in that: be provided with a pair of car front fork upper tube body that is hinged and connected to together and is connected with respective end car vertical tube of front fork separately respectively on the top of car front fork and be connected end plate, be connected the end plate phase configuration with two and be provided with the end plate butt joint card that is locked, be provided with handlebar and the car vertical tube of front fork captive nut of being with handle in the upper end of handlebar.