CN101544260B

CN101544260B - Folding bicycle bogie

Info

Publication number: CN101544260B
Application number: CN200910111720A
Authority: CN
Inventors: 黄淳权; 刘小童
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-05-08
Filing date: 2009-05-08
Publication date: 2012-09-05
Anticipated expiration: 2029-05-08
Also published as: CN101544260A

Abstract

The invention relates to a bicycle, in particular to a folding bicycle bogie making a handle folded and significantly reducing the height of the handle. The folding bicycle bogie is provided with a handle part and a front fork part, wherein the handle part is provided with the handle and at least one handle pole; the handle is rotatably connected with the handle pole; the handle pole is provided with a rotating node; the front fork part is provided with a left fork tube and a right fork tube; the upper end of the left fork tube is connected with the upper end of the right fork tube; and the handle pole is telescopically connected with the left fork tube or/and the right fork tube of the front fork part. The folding bicycle bogie has the advantages of significant reduction of the overall dimension of the folded bicycle and fast and convenient operation of folding, and is suitable for adults and children to drive.

Description

Folding bicycle bogie

Technical field

The present invention relates to bicycle, especially relate to folding bicycle bogie.

Background technology

Because have institute's little, advantage such as go out of collecting and be easy to carry about with one easily that takes up space after Folding Bicycle is folding, therefore, Folding Bicycle more and more receives customer's favor.But existing Folding Bicycle ubiquity folding operation trouble, the unfavorable problem of folding effect, wherein to receive overlapping state not good is one of major cause to the handle of bogie truck, below casehistory.

Fig. 1 and 2 provides existing a kind of Folding Bicycle front vehicle frame, and this Folding Bicycle front vehicle frame mainly is provided with bull stick 52, be fixed in central siphon 70 on this bull stick 52, be fixed in the handle 51 of these bull stick 52 upper ends and be fixed in the U font front fork stem 60 of these bull stick 52 lower ends.Central siphon 70 connects with the crossbeam (in Fig. 1 and 2, the crossbeam of vehicle frame does not draw) of vehicle frame.When the user desires to carry out folding storage, can through be located at folding node 521 on the bull stick 52 with bull stick 52 to oblique folded beneath.If it is folding forward; Then handle 51 can touch the front-wheel (front-wheel does not draw among Fig. 1 and 2) that is installed on the front fork stem 60; Cause to have good folding effect, so general bull stick 52 all is designed to and can contacts with front-wheel to avoid handle 51 to the mode of oblique folded beneath.But, because bull stick 52, can make the part protrusion of handle 51 to oblique folded beneath, can not fit with front fork stem 60 parts such as grade, make folding effect bad, have a strong impact on its practicality.In addition, not flexible of the following joint of this bull stick 52 (folding node 521 be the train spacing point that upper and lower two of bull stick 52 saves), therefore, even bull stick 52 can be to oblique folded beneath, but handle 51 residing height can't further reduce, and still influence folding effect.

Fig. 3 provides the handle portion of existing another kind of Folding Bicycle; Comprise handle 351, stem 352; Stem 352 is located on the connecting portion 361 of front fork 360, and this connecting portion 361 is provided with vehicle frame front tube 370, and front tube 370 is connected with cross member of frame; This stem 352 is in order to satisfy the demand that handle 351 height can carry out lift adjustment, and this stem 352 is designed with Telescopic.But because this stem 352 receives structural limitations, its stroke is very little, and functions of use is limited, so the height of handle 351 reduction degree is not obvious, still influences folding effect.

Publication number is that the application for a patent for invention of CN101172509 provides a kind of Foldable travelling-cased bicycle; Comprise casing, collapsible Foldable bicycle tap and the handle in the casing, the telescopic bicycle front frame that connects with handle-bar and handle, the bicycle wheels formation of being placed on; Bicycle middle shaft is arranged on the casing; Said bicycle rear shaft is arranged at the rear lower of casing; The part of bicycle rear is placed on outside the casing, and another part of bicycle rear then is placed in the casing; Be connected with telescopic front vehicle frame pipe on the front fork that bicycle front frame and front-wheel cooperate, said telescopic front vehicle frame pipe matches with fixedly chute in being arranged on casing.This invention is through to each constituent elements of Foldable travelling-cased bicycle, after the position that is positioned at casing is provided with, simplified the folding step of bicycle, alleviated the weight of bicycle, and it is convenient more to make it to carry, thereby has vast market prospect.

Notification number is the combined structure that the utility model patent of CN200951821 provides a kind of folding bicycle handlebar stem and front fork tube; Has leader's bar; One end links a folder, and this folder has a upper shell, a lower house and a conjunction, and mat one Fast detachable unit combines this upper and lower casing or breaks away from; Pipe fitting in the middle of this folder below connects one, and in this centre pipe fitting a sheathed front fork tube; The housing centre offers a perforation under this folder, supplies a screw rod to wear, and between folder and middle pipe fitting, is equipped with an axle sleeve, is provided with negative thread in it; This front fork tube top is provided with outside thread, be used for axle sleeve within screw thread screw togather; In front fork tube, be provided with one have a screw locating piece; During assembling; This front fork tube is inserted in this centre pipe fitting, again with the outside thread of front fork tube and the internal screw-thread screw of this axle sleeve, then; The perforation that screw rod is passed this folder lower house penetrate in this front fork tube again and the screw of this locating piece after screw, handlebar stem is firmly combined with this front fork tube.

Summary of the invention

The purpose of this invention is to provide a kind of folding and remarkable folding bicycle bogie that reduces height of handle that makes.

The present invention is provided with handle portion and front fork part; Handle portion is provided with handle and at least 1 handle vertical rod; Handle and handle vertical rod are rotationally connected; The handle vertical rod is provided with the turnover node; Front fork partly is provided with left breeches pipe and right breeches pipe, and left breeches pipe upper end is connected with right breeches pipe upper end, and handle vertical rod and front fork left breeches pipe partly is or/and right breeches pipe is telescopic is connected.

Handle can be integral handle or split type handle.

Split type handle is provided with left handle and right handle; The handle vertical rod is provided with left handle vertical rod and right handle vertical rod; The upper end and the left handle of left side handle vertical rod are rotationally connected; The upper end and the right handle of right handle vertical rod are rotationally connected, and the lower end of left handle vertical rod is connected with left breeches pipe is flexible, and the lower end of right handle vertical rod is connected with right breeches pipe is flexible.

The turnover node preferably is rotationally connected through bearing pin, and bearing pin is preferably perpendicular to the paper direction or is parallel to the paper direction.

Because the present invention adopts said structure, when bicycle folding, the handle with the left and right directions setting changes into fore-and-aft direction earlier; Again with the handle vertical rod to lower compression; Make the left breeches pipe of handle vertical rod retraction front fork part or/and in the right breeches pipe, transfer through the bearing pin of turnover node then, make the handle vertical rod folding downwards; Like this, the height of handle can significantly reduce.This shows, with prior art relatively, the present invention has the oad that can significantly reduce behind the bicycle folding, and outstanding fast and easily advantage of folding operation and beneficial effect, and applicable to adult and child's driving.

Description of drawings

Fig. 1 is a kind of Folding Bicycle front vehicle frame structural representation of the prior art.

Fig. 2 is the folded state scheme drawing of Fig. 1.

Fig. 3 is the contraction state scheme drawing of another folding bicycle handles part of the prior art and handle thereof.

Fig. 4 is the structural representation of the embodiment of the invention 1.

Fig. 5 is the schematic side view of Fig. 4.

Fig. 6 is the flexible view of Fig. 4.

Fig. 7 is the schematic side view of Fig. 6.

Fig. 8 is the handle vertical rod turnover view of Fig. 7.

Fig. 9 is the structural representation of the embodiment of the invention 2.

Figure 10 is the structural representation of the embodiment of the invention 3.

Figure 11 is the structural representation of the embodiment of the invention 4.

The specific embodiment

Embodiment 1

Referring to Fig. 4～8, the present invention is provided with handle portion and front fork part.Handle portion is provided with left handle 11, right handle 12, left handle vertical rod 21 and right handle vertical rod 22.Front fork partly is provided with left breeches pipe 31 and right breeches pipe 32.Left side handle 11 is rotationally connected through bearing pin 111 with left handle vertical rod 21, and bearing pin 111 is perpendicular to paper.Right handle 12 is rotationally connected through bearing pin 221 with right handle vertical rod 22.Left side handle vertical rod 21 is provided with bearing pin 211, and bearing pin 211 is perpendicular to paper.Left side handle vertical rod 21 can be through bearing pin 211 turnovers, and right handle vertical rod 22 can be through bearing pin 221 turnovers.Breeches pipe 31 upper ends, a left side are connected through connecting panel 33 with right breeches pipe 32 upper ends.The lower end of left side handle vertical rod 21 is positioned at left breeches pipe 31, forms scalable connection, and the lower end of right handle vertical rod 22 is positioned at right breeches pipe 32, also forms scalable connection.The front tube P1 of cross member of frame P2 is connected with connecting panel 33.The front axle P4 of front vehicle wheel P3 and left breeches pipe 31 are rotationally connected with right breeches pipe 32 lower ends.Shown in Fig. 6 and 7, in the breeches pipe 31 of left handle vertical rod 21 a retractions left side, in the right breeches pipe 32 of right handle vertical rod 22 retractions, thereby the handle highly significant is reduced, reduce bicycle folding greatly after institute take up space.

As shown in Figure 8; It is folding that left side handle vertical rod 21 can be done backward (being parallel to paper) upset downwards through bearing pin 211; And, left handle 11 can through bearing pin 111 backward downwards (being parallel to paper) rotate, identical when right handle vertical rod 22 is folding with the folding mode of left handle vertical rod 21.Like this, can make the handle height be lower than the height of cross member of frame P2, further improve the bicycle folding effect.

Embodiment 2

Referring to Fig. 9, similar with embodiment 1, difference is: handle 1 is integral handle, and 2 of handle vertical rods are established 1, handle vertical rod 2 and left 31 telescopic connections of breeches pipe.The handle 1 turnover principle of present embodiment is identical with left handle or the right handle turnover principle of embodiment 1.All the other labels among Fig. 9 are corresponding consistent with Fig. 4.

Embodiment 3

Referring to Figure 10, similar with embodiment 1, difference is: the bearing pin 211 among Figure 10 ' and 221 ' be the direction that the bearing pin among Fig. 4 211 and 221 is parallel to instead paper.Like this, left handle vertical rod 11 can be folding through (perpendicular to the paper) upset downwards left of bearing pin 211 ' do, and right handle 21 can be folding through (perpendicular to the paper) upset downwards to the right of bearing pin 221 ' do.All the other labels among Figure 10 are corresponding consistent with Fig. 4.

Embodiment 4

Referring to Figure 11, similar with embodiment 2, difference is: the bearing pin 2111 among Figure 11 is the directions that the bearing pin among Fig. 9 211 are parallel to instead paper.Like this, can to do left (perpendicular to paper) upset downwards through bearing pin 2111 folding for left handle vertical rod 1.All the other labels among Figure 11 are corresponding consistent with Fig. 9.

Claims

1. folding bicycle bogie; It is characterized in that being provided with handle portion and front fork part; Handle portion is provided with handle and at least 1 handle vertical rod, and handle and handle vertical rod are rotationally connected before and after forming through first bearing pin, and the handle vertical rod is provided with the turnover node; The turnover node forms left-right rotation through second bearing pin perpendicular to paper and connects; Front fork partly is provided with left breeches pipe and right breeches pipe, and left breeches pipe upper end is connected with right breeches pipe upper end, and handle vertical rod and front fork left breeches pipe partly is or/and right breeches pipe is telescopic is connected.

2. folding bicycle bogie as claimed in claim 1 is characterized in that said handle is integral handle or split type handle.

3. folding bicycle bogie as claimed in claim 2; It is characterized in that split type handle is provided with left handle and right handle; The handle vertical rod is provided with left handle vertical rod and right handle vertical rod, and the upper end of left handle vertical rod and left handle are rotationally connected, and the upper end of right handle vertical rod and right handle are rotationally connected; The lower end of left side handle vertical rod is connected with left breeches pipe is flexible, and the lower end of right handle vertical rod is connected with right breeches pipe is flexible.