CN201677986U

CN201677986U - Folding bicycle

Info

Publication number: CN201677986U
Application number: CN2010201320339U
Authority: CN
Inventors: 王�华
Original assignee: Giant China Co Ltd
Current assignee: Giant China Co Ltd
Priority date: 2010-03-10
Filing date: 2010-03-10
Publication date: 2010-12-22
Anticipated expiration: 2020-03-10

Abstract

The utility model discloses a folding bicycle, in the technical scheme, an upper pipe and a lower pipe of the folding bicycle are respectively provided with two folding mechanisms which facilitate the folding of a front wheel and a rear wheel, wherein one folding mechanism is a hinge folding component, the other folding mechanism is a bundle structure, the bundle structure comprises a bundle pipe with an open slot as well as a fixed folding pipe and a movable folding pipe which can respectively extend into the two ends of a bundle pipe, a clamping mechanism which is convenient to clamp and fix the fixed folding pipe and the movable folding pipe is arranged on the open slot, a location slot hole is arranged on the fixed folding pipe along the axial direction, the bundle pipe is limited in the location slot hole on the fixed folding pipe to slide through a set screw which is rotatably fixed, the fixed folding pipes and the movable folding pipes are respectively two folding pipes which form the upper pipe or the lower pipe, the hinge folding component comprises a left folding base and a right folding base one side of which is connected through a hinge, the left folding base and the right folding base are respectively welded and fixed on the two folding pipes which form the upper pipe or the lower pipe, the other side of the left and the right folding bases is connected through a fastening mechanism, so the two folding pipes which form the upper pipe or the lower pipe are fastened together.

Description

Folding bicycle

Technical field

The utility model relates to folding bicycle, particularly a kind ofly has the top tube and down tube structure, realizes the involutory folding folding bicycle of front and back wheel.

Background technology

In the prior art, folding bicycle adopts pipe fitting to shrink folding and the involutory folding dual mode of pipe fitting is realized bicycle overall shrinkage and folding effect.Pipe fitting is involutory folding by hinge fold mechanism realization folding effect is installed on the pipe fitting, usually this fold mechanism is made up of hinged left folding seat of a side and right folding seat, this left folding seat and right folding seat are welded in two folding pipe fittings respectively, and this left folding seat and right folding seat opposite side are by a fastening mechanism, realize two folding pipe fitting fastenings, as patent---the improved type folder (patent No.: CN200710023505.X) etc. of the previous application of applicant.

Involutory when folding for the folding bicycle front and back wheel, need fold mechanism be installed at pipe middle part down, for folding bicycle traffic safety, reliable, as illustrated in fig. 1 and 2, also be provided with on the bonded assembly above between the front fork vertical bar 200 in the bicycle and the middle pipe 100 and manage.For such design-calculated bicycle, also to realize between the bicycle wheels folding, must pipe down and under manage respectively that correspondence is provided with two fold mechanisms.Like this will same folding direction (front and back wheel involutory folding) must be respectively pipe down and on pipe two fold mechanisms are installed, owing to the dynamic and static error that designs, makes and operation produces, if top tube and down tube adopt two hinge fold mechanisms simultaneously, be difficult to reach free and relaxed folding effect.

Summary of the invention

In order to remedy above deficiency, the utility model provides a kind of folding bicycle, can realize simultaneously that top tube and down tube are folding, can fold pipe fittings by reliable and stable ground clamp fitting two, reaches locking and opens very good effect.

The technical solution of the utility model is to realize: a kind of folding bicycle, before its top tube and down tube are respectively equipped with and are convenient to, the involutory two folding fold mechanisms of trailing wheel, one of them fold mechanism is the hinge Foldable assembly, another fold mechanism is the bundle substructure, this bundle substructure comprises the beam tube with open slot, can extend into fixed fold pipe and activity folded tube in these beam tube two ends respectively, the open slot of this beam tube is provided with the clamping mechanism of being convenient to this fixed fold pipe of clamp fitting and activity folded tube, this fixed fold pipe is provided with location notch hole vertically, this beam tube is limited in the location notch hole on this fixed fold pipe by the set screw that is rotated with and slides, and this fixed fold pipe and activity folded tube are respectively to be formed this and go up pipe or manage involutory folding two pipe fittings down.

Further improve as the utility model, also wear a lining between this beam tube and this fixed fold pipe, after this set screw is fixed this beam tube and lining, be defined on this fixed fold pipe and slide in the knock hole with open slot.

Further improve this lining and corresponding respectively protuberance and the assembly opening of being convenient to install that be provided with of this beam tube as the utility model.

Further improve as the utility model, also be provided with gag between this lining and this activity folded tube, this gag one end is provided with the mouth of pipe that dwindles of open slot, be convenient to be installed in this lining, and the other end is provided with the annular groove of ccontaining this activity folded tube mouth of pipe of energy.

Further improve as the utility model, also be provided with gag between this lining and this activity folded tube, this gag one end is provided with the annular groove of ccontaining this lining mouth of pipe of energy, and the other end is provided with the mouth of pipe that dwindles of open slot, is convenient to be installed in this activity folded tube.

Further improve as the utility model, this clamping mechanism by one group of lug being located at these beam tube upper shed groove both sides side by side, pass the set screw of this group lug and be rotated with and form in the setting nut of this set screw.

Further improve as the utility model, this clamping mechanism passes the adjusting bolt of this group lug, the transverse axis that is fixed in this adjusting bolt end and end rotational fixation by one group of lug, activity being located at these beam tube upper shed groove both sides and forms in the spanner of this transverse axis, the end outer rim of this spanner is the eccentric cam shape, and this adjusting bolt other end is rotated with setting nut.

Further improve as the utility model, this hinge Foldable assembly comprises hinged left folding seat of a side and right folding seat, this left folding seat and right folding seat are welded in respectively forms pipe or the involutory folding two pipe fittings of following pipe on this, this left folding seat and right folding seat opposite side are by a fastening mechanism, and pipe or the involutory folding two pipe fittings fastening connection of pipe down on this are formed in realization.

Further improve as the utility model, pipe is provided with this bundle substructure on this, and this time pipe is provided with the hinge Foldable assembly.

Useful technique effect of the present utility model is: described folding bicycle, before its top tube and down tube are respectively equipped with and are convenient to, the involutory two folding fold mechanisms of trailing wheel, one of them fold mechanism is the hinge Foldable assembly, another fold mechanism is the bundle substructure, described hinge Foldable assembly is current techique (as stating in the background technology), beam tube two ends in this bundle substructure are placed in the fixed fold pipe and the activity folded tube mouth of pipe respectively, make that by the location notch hole on set screw and this fixed fold pipe this beam tube can be along this fixed fold tubular axis to slip simultaneously, and this fixed fold pipe and activity folded tube are respectively and form this and go up pipe or manage involutory folding two pipe fittings down, design is when opening this beam tube upper clamping mechanism like this, this beam tube can freely be enclosed within this fixed fold pipe and the activity folded tube butt joint mouth of pipe, because the corresponding mouth of pipe of this beam tube pivot bush unit, so even two butt joint mouth of pipe shaft centre lines are not quite identical, also can be easy to be enclosed within the activity folded tube mouth of pipe, reach clamp fitting two folding pipe fittings with manual operation.

For folding bicycle, if in the described top tube and down tube one the hinge Foldable assembly is installed, and another installs bundle substructure, just can realize conveniently that two fold mechanisms fold top tube and down tube simultaneously in the same way, reaches folding convenient, stable effect by bike.

Description of drawings

Fig. 1 is the folding preceding view of folding bicycle described in the utility model;

Fig. 2 is the view after folding bicycle described in the utility model folds;

Fig. 3 opens preceding view for bundle substructure described in the utility model;

Fig. 4 is the view after bundle substructure described in the utility model is opened;

Fig. 5 is an assembling scheme drawing of the present utility model;

Fig. 6 is the structural representation of lining described in the utility model and beam tube.

Contrast above accompanying drawing, be explained as follows:

1---beam tube 3---activity folded tube

11,41,51---open slot 4---lining

12---location spiral shell 42---protuberance

13---assembly opening 5---gag

14---lug 52---annular groove

15---regulating bolt 6---are gone up pipe

16---transverse axis 7---are pipe down

17---spanner 8---hinge Foldable assembly

18---setting nuts 9---bundle substructure

The middle pipe of 2---fixed fold pipes 100---

21---location notch hole 200---front fork vertical bar

The specific embodiment

In conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, below be further described:

A kind of folding bicycle, connect front fork vertical bar 200 and standpipe 100 go up pipe 6 and down pipe 7 be respectively equipped be convenient to before, the involutory two folding fold mechanisms of trailing wheel, one of them fold mechanism is a hinge Foldable assembly 8, another fold mechanism (only shows a kind of situation for bundle substructure 9 among the figure, be exactly to go up pipe the bundle substructure is installed, and pipe is installed the hinge Foldable assembly down), this bundle substructure comprises the beam tube 1 with open slot 11, can extend into fixed fold pipe 2 and activity folded tube 3 in these beam tube 1 two ends respectively, the open slot 11 of this beam tube is provided with the clamping mechanism of being convenient to this fixed fold pipe 2 of clamp fitting and activity folded tube 3, this fixed fold pipe 2 is provided with location notch hole 21 vertically, this beam tube 1 is limited in the location notch hole 21 on this fixed fold pipe 2 by the set screw 12 that is rotated with and slides, and this fixed fold pipe and activity folded tube are respectively to be formed this and go up pipe or manage involutory folding two pipe fittings down.

Also wear a lining 4 between this beam tube 1 and this fixed fold pipe 2 with open slot 41, after this set screw 12 is fixed this beam tube and lining, be defined on this fixed fold pipe and slide in the knock hole 21, simultaneously this lining 4 and corresponding respectively protuberance 42 and the assembly opening of being convenient to install 13 (as shown in Figure 6) that be provided with of this beam tube 1.

Also be provided with gag 5 between this lining 4 and this activity folded tube 3, this gag one end is provided with the mouth of pipe that dwindles of open slot 51, be convenient to be installed in this lining 4, and the other end is provided with the annular groove 52 (as shown in Figure 4 and Figure 5) of ccontaining these activity folded tube 3 mouths of pipe of energy.Can certainly this lining 4 and this activity folded tube 3 between also be provided with gag 5, this gag one end be provided with can ccontaining these lining 4 mouths of pipe annular groove 52, and the other end is provided with the mouth of pipe that dwindles of open slot 51, is convenient to be installed in this activity folded tube 3.

As shown in Figure 4 and Figure 5, this clamping mechanism passes the adjusting bolt 15 of this group lug 14, the transverse axis 16 that is fixed in this adjusting bolt end and end rotational fixation by one group of lug 14, activity being located at these beam tube 1 upper shed groove both sides and forms in the spanner 17 of this transverse axis 16, the end outer rim of this spanner 17 is the eccentric cam shape, and these adjusting bolt 15 other ends are rotated with setting nut 18.

Certainly this clamping mechanism by one group of lug being located at these beam tube upper shed groove both sides side by side, pass the set screw of this group lug and be rotated with and form in the setting nut of this set screw.

This hinge Foldable assembly adopts patented technology---the improved type folder (patent No.: CN200710023505.X) of the previous application of applicant, promptly this hinge Foldable assembly 8 this comprise hinged left folding seat of a side and right folding seat, this left folding seat and right folding seat are welded in respectively forms pipe or the involutory folding two pipe fittings of following pipe on this, this left folding seat and right folding seat opposite side are by a fastening mechanism, and pipe or the involutory folding two pipe fittings fastening connection of pipe down on this are formed in realization.

During current, trailing wheel doubling, going up the hinge Foldable assembly of installing (also can be installed on pipe) by pipe under the folding bicycle on the one hand realizes folding, go up installation bundle substructure (also can be installed on down pipe) by pipe on the folding bicycle on the other hand and also realized folding effect, by the design of such twofold mechanism, make folding bicycle folding freely, more safe and reliable by bike.

Claims

1. folding bicycle, before pipe (6) and following pipe (7) are respectively equipped with and are convenient on it, the involutory two folding fold mechanisms of trailing wheel, one of them fold mechanism is hinge Foldable assembly (8), it is characterized in that, another fold mechanism is bundle substructure (9), this bundle substructure comprises the have open slot beam tube (1) of (11), can extend into fixed fold pipe (2) and activity folded tube (3) in this beam tube (1) two ends respectively, the open slot of this beam tube (11) is provided with the clamping mechanism of being convenient to this fixed fold pipe (2) of clamp fitting and activity folded tube (3), this fixed fold pipe (2) is provided with location notch hole (21) vertically, this beam tube (1) is limited in the location notch hole (21) on this fixed fold pipe (2) by the set screw (12) that is rotated with and slides, and this fixed fold pipe and activity folded tube are respectively to be formed this and go up pipe or manage involutory folding two pipe fittings down.

2. folding bicycle as claimed in claim 1, it is characterized in that, also wear a lining (4) between this beam tube (1) and this fixed fold pipe (2) with open slot (41), after this set screw (12) is fixed this beam tube and lining, be defined on this fixed fold pipe and slide in the knock hole (21).

3. folding bicycle as claimed in claim 2 is characterized in that, this lining (4) and corresponding respectively protuberance (42) and the assembly opening of being convenient to install (13) that be provided with of this beam tube (1).

4. folding bicycle as claimed in claim 2, it is characterized in that, also be provided with gag (5) between this lining (4) and this activity folded tube (3), this gag one end is provided with the mouth of pipe that dwindles of open slot (51), be convenient to be installed in this lining (4), and the other end is provided with the annular groove (52) of ccontaining this activity folded tube (3) mouth of pipe of energy.

5. folding bicycle as claimed in claim 2, it is characterized in that, also be provided with gag (5) between this lining (4) and this activity folded tube (3), this gag one end is provided with the annular groove of energy ccontaining this lining (4) mouth of pipe, and the other end is provided with the mouth of pipe that dwindles of open slot, is convenient to be installed in this activity folded tube (3).

6. folding bicycle as claimed in claim 1 is characterized in that, this clamping mechanism by one group of lug being located at these beam tube upper shed groove both sides side by side, pass the set screw of this group lug and be rotated with and form in the setting nut of this set screw.

7. folding bicycle as claimed in claim 1, it is characterized in that, this clamping mechanism passes the adjusting bolt (15) of this group lug (14), the transverse axis (16) that is fixed in this adjusting bolt end and end rotational fixation by one group of lug (14), the activity of being located at this beam tube (1) upper shed groove both sides and forms in the spanner (17) of this transverse axis (16), the end outer rim of this spanner (17) is the eccentric cam shape, and this adjusting bolt (15) other end is rotated with setting nut (18).

8. as claim 1,2,6 or 7 described folding bicycles, it is characterized in that, this hinge Foldable assembly (8) comprises hinged left folding seat of a side and right folding seat, this left folding seat and right folding seat are welded in respectively forms pipe or the involutory folding two pipe fittings of following pipe on this, this left folding seat and right folding seat opposite side are by a fastening mechanism, and pipe or the involutory folding two pipe fittings fastening connection of pipe down on this are formed in realization.

9. folding bicycle as claimed in claim 8 is characterized in that, pipe (6) is provided with this bundle substructure (9) on this, and this time pipe (7) is provided with hinge Foldable assembly (8).