CN2108049U - Folding type dual-purpose bicycle for carrying passenger and goods on side - Google Patents

Abstract

The side-hung passenger-cargo dual-purpose bicycle is mounted on the bicycle and can be used for carrying people and goods. When the seat backrest is laid backwards to form a large object carrying platform, the seat backrest can carry large-size objects and be used as a mobile spreading bed, and meanwhile, the seat backrest also has the function of being hung on one side or two sides of a bicycle after being folded, and the total weight is about 10 kilograms. The side trailer is connected with the bicycle through a frame-shaped inclined bracket, and is simultaneously connected with components such as a seat, a wheel frame and the like, so that the connecting parts can be rotated for folding. When the side trailer is used, all the components of the side trailer form a triangle, and the side trailer is stable and reliable.

Description

Folding dual-purpose bicycle's sidecar for carrying passenger or goods

The utility model is a kind of novel designs of Sidecar for bicycle, and it has several functions of use.

Utilize bicycle to be power, side is hung one and can be taken advantage of the way of people's trailer to have very early.At present, this trailer still has very big Practical significance.Such as, transport the old,weak,sick and disabled and go to hospital, transport child and go to school etc.But, do not allow to step on class article such as picture vision receiver, the luggage of taking advantage of utility car, chest for transporting some, be not resolved yet.Have simultaneously and fold easy, never realization of the easy design of dismounting.The present common multiple side trailer that arrives, ubiquitous weak point be not quick detachable and article carrying platform little etc.

The purpose of this utility model provides a kind of new side trailer structure, from functions of use, except that having the existing function of present common side trailer, has also increased convenient disassembly and has enlarged function such as article carrying platform.

The purpose of this utility model is achieved in that utilizes bicycle rear axle, chain stay and upright fork as point of connection, in order to install and fixing trailer.

Attaching parts between trailer and the bicycle is connecting panel＜1 〉, connecting panel＜1〉respectively has a hole before and after going up, and utilizes bolt＜2 〉, chain stay clamp＜3 〉, rubber pad＜4 〉, chain stay adapter plate＜5〉and nut parts such as＜6〉that connecting panel＜1〉front portion is fixed tightly on the chain stays; The borehole jack of connecting panel＜1〉back utilizes bicycle rear axle end nut＜7〉that connecting panel＜1〉rear portion is tightened up on bicycle rear axle.Connecting panel＜1〉two ends all bend 90 degree, and turning up on these two respectively has a hole, and the axis in two holes and axle for bicycle line parallel are installed in the side trailer on the bicycle by this two hole.

The main component of side trailer is a shaped as frame tilted supporter＜8 〉, the two ends of tilted supporter＜8〉are connected with vehicle wheel frame＜9 〉, seat with bicycle respectively, be to penetrate on the connecting panel＜1〉two holes by two the cantilevered bearing pins＜10〉on the tilted supporter＜8〉and＜11〉to realize with bicycle bonded assembly one end, for preventing to scurry out, there is spring cotter＜12〉fixing; Penetrate successively being connected equally of tilted supporter＜8〉other end and vehicle wheel frame＜9〉and seat that the hole of following two beam-end of seat seat＜18〉and two holes on the vehicle wheel frame＜9〉realize by two cantilevered bearing pins on the tilted supporter＜8 〉, fixing with fly nut＜13〉in case scurry out.

Adopt bearing pin to connect to be and rotate freely when folding, for preventing to turn back automatically, when opening and using, each member all is fixed to triangle: be welded with a double-screw bolt in the middle of tilted supporter＜8〉back rest, vehicle wheel frame＜9〉is inboard to have an auricle＜14〉with holes near near the axletree, digonal link＜15〉is fixing with tilted supporter＜8〉and vehicle wheel frame＜9〉respectively by fly nut＜16〉＜17 〉, makes tilted supporter＜8 〉, digonal link＜15〉and vehicle wheel frame＜9〉three form triangle.

Seat seat＜18〉is near bicycle on one side, seat seat＜18〉front cross rail＜19〉head down has a hole, seat pull bar＜20〉passes this hole, pass the hole that is enclosed within on upright upright fork of sticking＜21〉of bicycle again, fixing by fly nut＜22 〉, make bicycle, the following front cross rail＜19〉of seat seat＜18〉become a triangle with vehicle wheel frame＜9〉three.

Seat seat＜18〉is close bicycle one end of after cross member＜23〉down, have one can take out of 90 columns＜24〉of spending downwards, there is opening column＜24〉lower end, this open card is penetrated on the tilted supporter＜8〉on the lateral opening bearing pin＜10〉in connecting panel＜1〉back being arranged in, make that after cross member＜23 〉, column＜24〉and tilted supporter＜8〉three form triangle under the seat seat＜18 〉.

Back of seat＜25〉is connected with hinge＜26〉with seat seat＜18 〉, does not open then to lump together, and is little article carrying platform; Open and be seat when erecting; Open to set level backward and be big loading platform.

Back of seat＜25〉and utilize when setting level backward seat pull bar＜20〉fixing, when being seat, seat pull bar＜20〉is fixed together with fly nut＜22〉and upright fork＜21 〉, the following front cross rail＜19〉of seat seat＜18〉near bicycle one end; Seat pull bar＜20〉is near trailer wheels one end, and pull bar＜20〉is penetrated in the hole on the vehicle wheel frame＜9 〉, and is fixing with fly nut＜27 〉.At this moment, two triangles about seat pull bar＜20 〉, back of seat＜25〉and seat seat＜18〉form.

When being big loading platform, seat pull bar＜20〉is translated into back board＜25〉bottom, near bicycle one end, in the hole on pull bar＜20〉the end insertion column＜24 〉, and fixing with the washer＜28〉on the pull bar＜20〉with webge piece＜29 〉, fly nut＜30 〉.Near trailer wheels one end, pull bar＜20〉is inserted in the hole of the inboard auricle＜14〉of trailer wheels top, fixing with fly nut＜31〉and nut＜32 〉.At this moment, seat pull bar＜20 〉, back of seat＜25〉are respectively and form two triangles between the column＜24 〉, vehicle wheel frame＜9 〉.

It is by two suspension rods＜33〉and tilted supporter＜8〉bonded assembly that trailer is taken the pedal＜34〉that people's biped pedaled, and point of connection is all rotatable so that folding.

This bicycle side is hung cargo cab, and is simple in structure, heavily about 10 kilograms, can be folded into thick about 16 centimeters flat box shape and abuts against the bicycle right side; Topple over when putting, also vehicle wheel frame＜9〉can be unloaded and hang over the bicycle left side and suspension about being for preventing that the single-side stand bicycle is left alone without help.

When opening and using, can be little article carrying platform, seat and three kinds of forms of big loading platform respectively.

Bearing pin and fly nut are all used in the mounting or dismounting position of trailer, and be easy and simple to handle, be connected firmly, need do not use any instrument.

Mounting or dismounting of the present utility model are convenient also to be embodied in being connected of trailer and bicycle, only need on chain stays, to install a connecting panel, in addition put an opening clamp and just can upright the sticking of bicycle, and any position of bicycle does not need processing, when without trailer, connecting panel and clamp also need not unload.This trailer all can use for 28,26 cars.

The concrete structure of utility model is provided by following embodiment and 9 accompanying drawings:

Fig. 1 is the pattern that is transformed into little article carrying platform according to the utility model;

Fig. 2 is the pattern that is transformed into seat according to the utility model;

Fig. 3 is the pattern that is transformed into big loading platform according to the utility model;

Fig. 4 is with the pattern of the folding back of trailer in bicycle one side mounting according to the utility model;

Fig. 5 is with the pattern of the folding back of trailer in the bicycle side-by-side mounting according to the utility model;

Fig. 6 is according to the constructional drawing that attaching parts is installed on bicycle that the utility model proposes;

Fig. 7 is according to bonded assembly structure between side trailer that the utility model proposes and the bicycle;

Fig. 8 is according to the trailer stand part-structure figure that the utility model proposes;

Fig. 9 is the supporting construction figure that is big loading platform according to the trailer that the utility model proposes.

Describe specific structural details and the condition of service that the utility model proposes in detail below in conjunction with Fig. 1 to Fig. 9:

The installation of connecting panel is as shown in Figure 6:

There are two hole a and b in connecting panel＜1〉left side, 28 automobile-used hole a, 26 automobile-used hole b.Back out bicycle rear axle end nut＜7〉during installation, connecting panel＜1〉is enclosed within on the axle, the back shaft end nut＜7〉of screwing on again.Chain stay clamp＜21 〉, rubber pad＜4 〉, chain stay adapter plate＜5〉when being fixed together, the bolt of top＜4〉passes the hole of connecting panel＜1〉with bolt＜2 〉, and the nut＜6〉of screwing on has then just been finished the installation of connecting panel＜1 〉.

Bicycle is upright to be stuck to being enclosed within the lower right in figure will to found fork＜21 〉, sees Fig. 7 after the installation.

The side trailer is installed in the method on the bicycle:

Two bearing pins＜10〉＜11〉that side trailer tilted supporter＜8〉had an end of bearing pin insert in the hole of connecting panel＜1 〉, shift the position onto, and are on porose bearing pin＜10 〉, fixing as Fig. 7, shown in Figure 8 with spring cotter＜12 〉.This moment, trailer still was in folded state, as not opening, be bundled in bicycle with marline＜34〉just the side trailer after the shelf right side can＜see Fig. 4 〉.

Fig. 8 has illustrated that the side trailer becomes the situation that is little article carrying platform:

Untie marline＜35 〉, put down the side trailer, open vehicle wheel frame＜9 〉, trailer wheels is propped up on the ground, then seat seat＜18〉is upwards lifted an angle, seat＜18〉down the column＜24〉on the after cross member＜23〉in figure the lower right to taking out of; Again that column＜24〉is downward, make column＜24〉open card on bearing pin＜10 〉, and firmly press, prop up the jail; Spring cotter＜12〉is penetrated left in the pinned hole of column＜24 〉,, pass, then spring cotter＜12〉is broken into two with one's hands from column＜24〉opposite side by the hole on the bearing pin＜10 〉; Digonal link＜15〉is installed, and digonal link＜15〉one ends are fixed on tilted supporter＜8〉after cross member＜23〉inboard with fly nut＜16 〉, and the other end is fixed on the following hole of vehicle wheel frame＜9〉medial support sheet＜14〉with fly nut＜17 〉.At this moment, trailer has been transformed into little article carrying platform as shown in Figure 1.

Little article carrying platform is transformed into seat:

Back of seat＜25〉is erected, seat pull bar＜20〉is translated into a backrest front, pull bar＜20〉is inboard to be fixed together with fly nut＜22〉and seat front cross rail＜19〉end, and the outside is fixed together as shown in Figure 2 with fly nut＜13〉and vehicle wheel frame＜9 〉.

Fig. 9 has illustrated to be transformed into the situation of big loading platform:

Back of seat＜25〉is set level backward, and below seat pull bar＜20〉was translated into, an inboard end penetrated in column＜24〉hole, fixed with fly nut＜30 〉, webge piece＜29 〉, and the washer of pull bar＜28〉is in order to location and bearing load.In the hole of one section insertion vehicle wheel frame＜9〉medial support sheet＜14〉top that the outside then bends pull bar＜20 〉, fixing as shown in Figure 3 with fly nut＜31〉and nut＜32 〉.

Folding rear side trailer divides extension about being on the bicycle situation is as shown in Figure 5:

Vehicle wheel frame＜9〉hangs over the bicycle left side, and seat, tilted supporter hang over the bicycle right side.

Claims (3)

1, a kind of bicycle side is hung cargo cab, its tilted supporter member connects on the bicycle, it is characterized in that tilted supporter links together by a connecting panel and bicycle, at the tilted supporter other end, connecting seat seat crossbeam and members such as vehicle wheel frame and stretcher, be connected with backrest on the seat and reach the fixedly pull bar of backrest, with fly nut back of seat is fixed, when being big loading platform, pull bar is translated into below the seat, the one end is fixed at column and the inboard auricle of vehicle wheel frame place, when the side trailer is opened, tilted supporter, under the seat between front cross rail and the bicycle, tilted supporter, between vehicle wheel frame and the digonal link, after cross member under the seat, between column and the tilted supporter and the seat seat, there is fly nut to be fixed into five triangles that rigidity is very strong respectively between backrest and the seat pull bar.

2, hang cargo cab according to the described bicycle side of claim 1, used same pull bar is finished its support when it is characterized in that the side trailer utilizes back of seat upright when being transformed into big loading platform, and inboard tie rod end has a catch.

3, bicycle side according to claim 1 is hung cargo cab, the termination, the outside that it is characterized in that the seat pull bar is bent into an angle, when supporting big loading platform, bending part inserts in the hole of vehicle wheel frame medial support sheet top, the angle of bending makes the tie rod end axis of thread consistent with the axis in hole, in the middle of a nut on the threaded portion and a fly nut are clamped in supporting blade, make the pull bar outside fixing.

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