CN200992283Y - Bent stem of bicycle - Google Patents

Abstract

A bicycle bending standpipe substantially consists of a main part, a perforation opened on one end of the main part for connecting the handle bar, a articulated hole formed at the two sides of the other end, an accessory part connecting with the Y-type pipe via a positioning component, a joint part extending from one end of the accessory part for sleeving the articulated part, on which is vertically opened a perforation for communicating the articulated hole, a tightening construction running through vertically the articulated hole of the main part and the horizontal perforation of the accessory part via an eccentric shaft, which tightens and locates the main part and the accessory part to be a bendable standpipe, and a switch handle with a long force arm assembly set by the eccentric shaft to benefit the user to control the tightening, positioning and loosening the bend of the main part and the accessory part by operating the switch handle. The utility model can make the main part and the accessory part reach to an effect of articulated connecting, tightening and positioning, make the bicycle folding bulk be the smallest and arrive at the aim of tightening stability.

Description

Bicycle bending standpipe

Technical field

The utility model relates to a kind of bicycle assembly parts, relates in particular to a kind ofly to make bicycle folding volume more attain minimizing, and can reach the bicycle bending standpipe of packing steadiness.

Background technology

In today of paying attention to recreation, be engaged in stress-relieving activity in the open air, experience the happy of the Nature, optimum one of the healthy sports events that also can reach is for by bike, go for a drive by bike and not only can go in for physical training and contribute to one's peace of mind of inner tranquility, can have the characteristic of going on a long journey and taking into account environmental protection again, and in the vacation of stopping two week, take the band family dependant of family and drive bicycle except that movable, can promote the whole family's emotion again, be the activity that a tool is taught through lively activities in fact, and in order to improve the convenience of going out to portably use of bicycle, the folding bicycle of foldable one-tenth smaller size smaller just becomes one of direction that each tame bicycle manufacturer falls over each other to research and develop.

Present commercially available folding bicycle, though can be bent into small size by the subtend activity between each pipe fitting, but the standpipe of existing folding type bicycle still is the design that sets firmly and can't bend with front fork tube, so that after the bicycle volume-diminished after the folding, entire length is but still kept the height of state by bike, for this reason, this creator then conceives bicycle profile tube is designed to bent state, cooperate the design of existing quick-disassembly structure packing location and the bending of fast quick-detach again, but, existing quick-disassembly structure is no doubt handy, but pulling part needs the bigger anglec of rotation to finish relatively, causes group, tear open on the speed and can't reach optimization, even, the eccentric packing design of existing quick-disassembly structure, the packing steadiness that can reach is but quite limited, so, how to reach bicycle folding minimum volumeization, can take into account simultaneously stressed bigger bending standpipe steadiness when launching to drive again, then be the policy that the bicycle industry is is actively researched and developed at present.

The utility model content

Technical problem underlying to be solved in the utility model is, overcomes the above-mentioned defective that prior art exists, and a kind of bicycle bending standpipe is provided, and makes bicycle folding volume more attain and minimizes, and can reach the purpose of packing steadiness.

The technical scheme that its technical matters that solves the utility model adopts is:

A kind of bicycle bending standpipe is characterized in that mainly comprise: a main part, an end are laterally offered the through hole of the handle combination of buying car in installments, and other end both sides then are formed with the pivoted hole of a hollow; One accessory body portion is to combine with front fork tube by certain hyte part, and accessory body portion one end is extended with the joint portion for the articulated section socket, and the horizontal perforation that is communicated with pivoted hole is laterally offered in this joint portion; One compacting structure, it is the horizontal perforation that laterally runs through main part pivoted hole and accessory body portion by an eccentric shaft, make major and minor body articulate packing and be positioned to a bent standpipe, eccentric shaft is then organized the longer switch handle of the arm of force of establishing an outer dewiness, can control the packing location of major and minor body and unscrew the bending effect by means of controlling this switch handle in order to the user.

Aforesaid bicycle bending standpipe, wherein compacting structure comprises symmetry two caps that large and small footpath section constitutes, and laterally is located in axle between two caps, wherein cap is provided with one and runs through the C oblique crank Z hole of path section and the non-circular hole of the big footpath of partial penetration section, axle is worn and is worn screw to two ends of elliptical aperture and then combine with two caps by a bolt and be continuous action relation, and borrows bolt to screw and drive the axle disalignment and form an eccentric shaft.

Aforesaid bicycle bending standpipe, wherein switch handle is the body of rod of a preset length, this shaft-like switch handle comprises that one wears knot and locks in arc tune in the big footpath of the cap section horizontal perforation wherein, and extends the hook section that exposes.

Aforesaid bicycle bending standpipe, wherein cap path section C oblique crank Z hole closed end is offered the screw in a connection C oblique crank Z hole, then is installed with the locked assembly that can push against the axle disalignment in this screw.

The utility model can make major and minor body reach and articulate and the packing positioning function, relend by compacting structure and extend to exterior longer arm of force aspect switch handle design, can more laborsaving mode drive eccentric wheel in fact with the bigger major and minor body of strength packing, but also can be combined with the main part folding of handlebar simultaneously, and then make bicycle folding volume reach minimized target by means of unscrewing this compacting structure order.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the decomposing schematic representation of the utility model bicycle bending standpipe structure.

Fig. 2 is the three-dimensional appearance scheme drawing of the utility model bicycle bending standpipe in conjunction with handlebar.

Fig. 3 is the part sectional view of the utility model bicycle bending standpipe.

Fig. 4 is the packing constitution diagram of the utility model bicycle bending standpipe.

Fig. 5 is the main part bending state scheme drawing after the utility model bicycle bending standpipe loosens.

Fig. 6 is the part sectional view of the main part bending state of the utility model bicycle bending standpipe.

The number in the figure explanation:

1------standpipe 10-----main part

11-----through hole 12-----pivoted hole

20-----accessory body portion 21-----joint portion

22-----horizontal perforation 23-----goes up screw hole

Screw hole 31-----axle under the 24-----

The 311----screw 32-----ring that stretches through

The big footpath of 33-----cap 331----section

332----path section 333----C oblique crank Z hole

334----bolt apertures 335----screw

The vertical screw of 336----horizontal perforation 337----

34-----switch handle 341----arc tune

342----hole 343----colludes and hangs section

40-----positioning component 50-----handlebar

A------bolt B------locked assembly

The specific embodiment

The utility model is relevant a kind of bicycle bending standpipe, and as shown in Figure 1 to Figure 3, bent standpipe 1 of the present utility model is to be made of a main part 10 and an accessory body portion 20, wherein:

These main part 10, one ends laterally offer the through hole 11 of a symmetry shape, and 11 of through holes can laterally wear packing for the handlebar 50 of bicycle, and main part 10 other end both sides then are formed with the pivoted hole 12 of a hollow;

This accessory body portion 20, be vertically to run through with the front fork tube (not shown) by certain hyte part 40 to combine, accessory body portion 20 1 ends are extended with the joint portion 21 of triangle bulk, a horizontal perforation 22 is laterally run through in this joint portion 21, horizontal perforation 22 sides are then offered upper and lower screw hole 23,24,23,24 of this upper and lower screw holes are established with location front fork tube (not shown) for bolt A lock, prevent that the front fork tube skew from rocking, and horizontal perforation 22 then is connected state with the pivoted hole 12 that is set in 21 both sides, joint portion;

One compacting structure is laterally to run through main part 10 pivoted holes 12 and accessory body portion 20 horizontal perforations 22 articulating major and minor body 10,20, and by the switch handle of compacting structure to major and minor body 10,20 packings location or loosen bending.

Above-mentioned compacting structure is the quick-disassembly structure that is commonly called as, and this quick detach design-calculated compacting structure mainly comprises:

One laterally runs through the axle 31 of joint portion 21 horizontal perforations 22, and end, two ends that axle 31 exposes edge runs through the screw 311 that stretches through;

Two caps 33, cap 33 is big by one, path section 331, the 332 step structure bodies that constituted, two caps, 33 Xs are offered one and are run through the C oblique crank Z hole 333 of path section 332 and the elliptical aperture (not shown) of local big footpath section 331, C oblique crank Z hole 333 and elliptical aperture are then used for 31 liang of exposed junction sockets of axle, and it is sheathed that two rings 32 of 31 liang of exposed junctions of axle are passed in 332 confessions of path section, the 31 liang of last edge of axle that penetrate cap 33,311 bolt apertures 334 with cap 33 big footpath sections 331 of screw that stretch through are connected state, wear interlocking in order to a bolt A, and borrow bolt A to screw process to drive axle 31 333 open end directions skews and place restrictions on ring 32 towards C oblique crank Z hole in path section 332, axle 31 formation one that order laterally is located in two caps 33 depart from the eccentric shaft at axis hole center, are continuous action relation with seasonal axle 31 and two caps, 33 lock knots; More obviously to reach packing more certain for the distance that makes axle 31 depart from axis hole 333 again, path section 332 is offered the screw 335 in a connection C oblique crank Z hole 333 away from the closed end of 333 open ends, C oblique crank Z hole, the locked assembly B that screw 335 is installed with then can push against this axle 31, make axle 31 can be more definite, firmly towards C oblique crank Z hole 333 open end center displacements, with control axle 31 disalignment distances, and then reach the more firm packing effect of major and minor body.

Lock, unload quicker for making the user control major and minor body 10,20, section 331 adjacent bolt apertures 334 places, a wherein cap 30 big footpath of compacting structure offer a nonpenerative horizontal hole 336 that connects, and this horizontal vertical screw 337 that connects hole 336 of connection, horizontal 336 confessions in hole, the one shaft-like switch handle 34 arc tunes 341 that connect penetrate, utilize a bolt A to give combination again, can borrow easily control major and minor body 10,20 location and unscrew bending of the longer switch handle 34 of the arm of force that exposes to make the user by vertical screw 337 screw locks and the hole 342 of running through arc tune 341 ends.

The structure effect that the expection of the utility model bicycle bending standpipe reaches can illustrate as the back by Fig. 4 to Fig. 6:

As shown in Figure 4, when the switch handle 34 of compacting structure raises up towards handlebar 30 directions, then can drive axle 31 packing masters, accessory body portion 10,20, and because due to the prolongation of the arm of force of switch handle 34, only need impose the preferable amplitude of raising up can drive the axle 31 packing masters that depart from axis hole, looped pipeline body 10,20, when if switch handle 34 raises up to state shown in Figure 4 fully, relative axle 31 is bestowed the master, accessory body portion 10,20 packing strength is then just firm, in addition, be releasing orientation for preventing to drive rugged road surface or touching switch handle 34 accidentally, switch handle 34 free ends bending especially go out a hook section 343,343 of this hook sections can combine with the handlebar hook, and nature can prevent that the situation that compacting structure gets loose from taking place.

Fig. 5, shown in Figure 6 and for example, when if the user desires the carrying bicycle and goes out, but remove existing each pipe fitting subtend folding of folding bicycle, also switch handle 34 can be pressed to state shown in the accompanying drawing, make main part 10 relatively accessory body portion 20 be bending, and then reach the bicycle that handlebar 30 also can folding and minimize folding volume effect.

The switch handle 34 of the utility model compacting structure is given up existing short arc quick detach handle design, the special thin rod shape enforcement aspect of length that adopts, purpose is for extending the arm of force of switch handle 34, switch handle 34 arm of forces prolong, one are available for users to obtain big packing strength with the less application of force, moreover it is littler that switch handle 34 arm of forces are raised the angular width degree than appearance to the switching of the major and minor body 10,20 of packing, for major and minor body 10,20 packings or loosen the effects such as can reaching optimization of regulating the speed.

Particularly, the axle 31 real distances that can screw the extent control disalignment that two caps are 30 by the bolt A that runs through big footpath section 331, also can be aided with the locked assembly B control axle 31 disalignment shift lengths that run through path section 332, so the control compacting structure impose major and minor body 10,20 packing degree freely select effect.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

In sum, the utility model is on structure design, use practicality and cost benefit, it is required to meet industry development fully, and the structure that is disclosed also is to have unprecedented innovation structure, have novelty, creativeness, practicality, the regulation that meets relevant novel patent requirement is so mention application in accordance with the law.

Claims (4)

1, a kind of bicycle bending standpipe is characterized in that, mainly comprises:

One main part, an end are laterally offered the through hole of the handle combination of buying car in installments, and other end both sides then are formed with the pivoted hole of a hollow;

One accessory body portion is to combine with front fork tube by certain hyte part, and accessory body portion one end is extended with the joint portion for the articulated section socket, and the horizontal perforation that is communicated with pivoted hole is laterally offered in this joint portion;

One compacting structure is the horizontal perforation that laterally runs through main part pivoted hole and accessory body portion by an eccentric shaft, makes major and minor body articulate packing and is positioned to a bent standpipe, and eccentric shaft is then organized the longer switch handle of the arm of force of establishing an outer dewiness.

2, bicycle bending standpipe according to claim 1, it is characterized in that symmetry two caps that described compacting structure comprises large and small footpath section and constitute, and laterally be located in axle between two caps, wherein cap is provided with one and runs through the C oblique crank Z hole of path section and the non-circular hole of the big footpath of partial penetration section, axle is worn and is worn screw to two ends of elliptical aperture and then combine with two caps by a bolt and be continuous action relation, and borrows bolt to screw and drive the axle disalignment and form an eccentric shaft.

3, bicycle bending standpipe according to claim 2, it is characterized in that described switch handle is the body of rod of a preset length, this shaft-like switch handle comprises that one wears knot and locks in arc tune in the big footpath of the cap section horizontal perforation wherein, and extends the hook section that exposes.

4, bicycle according to claim 2 bending standpipe is characterized in that described cap path section C oblique crank Z hole closed end offers a screw that is communicated with C oblique crank Z hole, then is installed with the locked assembly that can push against the axle disalignment in this screw.

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