CN2494444Y

CN2494444Y - Pipe fitting structure capable of polydirectional bending

Info

Publication number: CN2494444Y
Application number: CN 01245194
Authority: CN
Inventors: 陈定兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-08-02
Filing date: 2001-08-02
Publication date: 2002-06-05
Anticipated expiration: 2011-08-02

Abstract

The utility model discloses a pipe fitting structure capable of multidirectional bending. A pipe fitting is divided into segments and is provided with a main pipe and an auxiliary pipe. The end part of the main pipe, which faces to the auxiliary pipe, is covered and fastened by a quick-dismantling type pipe bundle, and the auxiliary pipe penetrates on the pipe end of the pipe bundle which covers and fastens the main pipe. The utility model has the technical proposal that an elastic cable is connected at the end part where the auxiliary pipe penetrates the main pipe, and the other end of the elastic cable extends into the main pipe and is connected with a slide stopping block which can delimit slide. Thereby, the pipe bundle with a quick-dismantling spanner is constricted tightly or the pipe bundle is unbound so that the auxiliary pipe is pulled out and is separated from the main pipe, and the slide stopping block moves to a conical shape bunting block for bunting and stopping the conical shape bunting block, and then the slide stopping block stretches the elastic cable so that the auxiliary pipe can be bent towards arbitrary directions.

Description

Fitting structure that can multidirectional bending

Technical field

The utility model relates to a kind of fitting structure that can multidirectional bending, is mainly used in the design of tool foldable type product.

Background technique

At present, for reaching miniaturization to be convenient for carrying, many products are all in conjunction with the foldable type design, in the hope of reducing volume by folding body.The basic framework of common collapsible product adopts tubular armature as support more, and the form of this tubular armature quite takes up space upon deployment, therefore need utilize folding structure to be attached in the tubular armature.Common is example with Regular Bicycle or the scooter that quite is in fashion now, exactly long, high skeletons that are used for vehicle frame more, by the pivot joint joint that joins, its skeleton pipe fitting must be given fold shorten or and lean on, reach the effect of conveniently collecting or carrying.

So, the detailed known folding body framing of seeing above-mentioned bicycle or scooter, just merely pipe fitting is changed into two sections and be provided with and articulate the joint and articulate mutually for folding, not only common fold (pivot joint) located to expose outside, be rigid construction more because of articulating the joint, can only curved the moving of single direction fold, and do not have the function of any direction bending.Hence one can see that, and when needing oblique folding if it cooperates the particular architectures of some product, it articulates the necessary tilting design in joint, when operation folds, needs rotation in conjunction with this whole backbone who articulates the joint, has so increased the degree of difficulty of structural planning and the inconvenience that folds.

Summary of the invention

The purpose of this utility model promptly is to provide a kind of fitting structure that can multidirectional bending, makes its segmentation pipe fitting be drawn back that a body can bend towards any direction when breaking away from.For realizing this purpose, the design proposal that the utility model is taked is: a kind of fitting structure that can multidirectional bending, pipe fitting segmentation and being made as is responsible for and looped pipeline, and it is responsible for the end noose one fast disassembly type tube bank of looped pipeline in opposite directions, and looped pipeline then is placed through the pipe end of being responsible for the noose tube bank; Its design focal point is to link an elastic cable in the end that described looped pipeline places the person in charge, and the other end of this elastic cable stretches among the person in charge and is connected in a sliding stops that can limit slippage.

In addition, the end tube wall of described person in charge's socket looped pipeline be axially arranged with profile groove, and the tube bank of its noose is provided with one and wears the fixed bolt of being responsible for fixed hole to the location, and between this wears the ring body open end of tube bank of knot quick detach spanner, wearing a locating piece that connects by the bearing pin pivot, this locating piece places above-mentioned profile groove and convexedly stretches in its inner moulding one and is responsible for inner taper and supports piece; One longitudinal fluting of formation of lots supported in the taper that looped pipeline then is placed through corresponding locating piece on the pipe face of being responsible for pipeline section, and establishes in the end and to connect a fixed block.

Described sliding stops is arranged in the person in charge, and aforementioned tube bank of socket and locating piece, and the taper of establishing a corresponding locating piece of the longitudinal side of sliding stops supports the chute of piece, and this chute lower end is formed with a block with its original circle body of determining.

The two ends of described elastic cable are connected to looped pipeline and place the sliding stops that end can limit slippage in establishing the fixed block that connects and being responsible for.

The butt end in opposite directions of described fixed block and sliding stops does not have the convex body and the recess of tabling.

After adopting said structure, the end of its looped pipeline tool fixed block can the corresponding locating piece of its groove taper support piece and be certain orientation ground and intert and insert among the person in charge, tightened by the tube bank of tool quick detach spanner again or looped pipeline is pulled out in the tube bank of loosening, and the sliding stops of drive supports piece to the taper that terminates in locating piece, the tensile elasticity rope makes looped pipeline break away from the person in charge again, and then utilizes the binding of elastic cable to make looped pipeline be responsible for the bending of Ke Chao any direction relatively.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 applies to the combination schematic representation of bicycle for the utility model;

Fig. 3 applies to the combination partial enlarged view of bicycle for the utility model;

Fig. 4 folds the action schematic representation for what the utility model applied to bicycle;

Fig. 5 applies to the back view of folding of bicycle for the utility model;

Fig. 6 applies to the structural representation of scooter for the utility model;

Fig. 7 applies to the back view of folding of scooter for the utility model.

Embodiment

At first, as shown in Figure 1, 2, the basic structure of pipe fitting that can multidirectional bending described in the utility model is the pipe fitting segmentation to be made as be responsible for 1 and looped pipeline 2.Enforcement structure as the rickshaw shown in graphic, it is arranged at the vertical tube and the front fork connecting part of Regular Bicycle, promptly to be responsible for 1 as the front fork pivot pipe in the front bar, looped pipeline 2 is then as the last vertical tube of taking over handle, and looped pipeline 2 can be placed through be responsible for 1 fixing, turn to handle structure thereby form a headstock.Wherein:

The tube wall of being responsible for the socket end of 1 relative looped pipeline 2 axially is provided with a profile groove 11, and the tube bank 3 of noose one tool quick detach spanner 31, this tube bank 3 by a fixed bolt 32 wear to being responsible on 1 default fixed hole 12 in case fixed location use, and restrain 3 and between the ring body open end of quick detach spanner 31, even wear positioning piece 34, and this locating piece 34 places above-mentioned profile groove 11 and convexedly stretches in the taper of the person in charge 1 inside to piece 341 in its inner moulding one by a bearing pin 33 pivots.In addition, establish into a sliding stops 13 as the person in charge 1 inside of front fork pivot pipe, this sliding stops 13 is inserted in advance and is responsible for 1, above-mentioned tube bank 3 of socket and locating piece 34 thereof again, and support the chute 131 of piece 341 in the taper that the longitudinal side of sliding stops 13 is established a corresponding locating piece 34, the lower end of its chute 131 forms a block 132 with its original circular block body;

Looped pipeline 2 places on the person in charge 1 the pipeline section pipe face, and the taper of corresponding locating piece 34 forms longitudinal fluting 21 one to piece 341, and looped pipeline 2 penetrates the person in charge 1 pipe end and establishes the fixed block 22 that connects a corresponding cast, and adopt an elastic cable 4 to be connected in the fixed block 22 of these looped pipeline 2 ends and the sliding stops 13 among the above-mentioned person in charge 1, make fixed block 22 under the drawing of elastic cable 4, closely be docked with sliding stops 13 2 blocks, and chimeric mutually convex body 221 and recess 133 are set in the butt end in opposite directions of fixed block 22 and sliding stops 13, make its groove 21 be positioned at same orientation, support the usefulness of piece 341 slippages for the taper of locating piece 34 with the chute 131 of sliding stops 13 to fashionable looped pipeline 2.

When adopting said structure to be used in combination, as Fig. 2, shown in 3, the pipe face upper groove 21 of looped pipeline 2 with the pipeline section of its tool fixed block 22 supported piece 341 formation one unidirectional set syntypes and placed winding corresponding to the taper of being responsible for locating piece 34 on 1, the person in charge 1 is in stays relatively to make looped pipeline 2, and can only vertical flexible slippage, and utilize taper to support piece 341 and support the last groove end that terminates in groove 21, located after making looped pipeline 2 insert being responsible for 1 appropriate depth, and the fixed block 22 that the makes looped pipeline 2 ends sliding stops 13 downward slippages of borrowing elastic cable 4 to link to each other, pull again button quick detach spanner 31 make tube bank 3 packings be responsible for 1 relatively the looped pipeline 2 in the pipe pipe end and tighten fixingly, form binding structure and the latent form of being responsible in 1 that places that an elastic cable 4 and sliding stops 13 are constituted.

Bend the vertical tube of above-mentioned headstock steering structure and handgrip when making its receipts be against car body as desire, as shown in Figure 4, pull open quick detach spanner 31 loosen the tube bank 3, the pipe end that can pull out the looped pipeline 2 of tool fixed block 22 breaks away from is responsible for 1, so can make sliding stops 13 support piece 341 slippages and drawn high along the taper of locating piece 34 with its chute 131, support with the formed block 132 of the circular block in chute 131 lower ends again and terminate in taper to piece 341, the application of force spurs looped pipeline 2 and then tensile elasticity rope 4 again, then the convex body 221 and the recess 133 of butt end promptly break away from this fixed block 22 in opposite directions with sliding stops 13, as shown in Figure 5, and then with the elastic cable that is stretched 4 of being responsible for 1 looped pipeline 2 is bent towards any direction with linking looped pipeline 2, make this utilization vertical tube of form and handgrip support body can freely select a left side towards car body, the right side is also leaned on or is bent into arbitrarily angled, in order to folding.

In addition, because the foregoing description discloses utilization form of the present utility model with bicycle, also can be shown in Fig. 6,7, the utility model is applied to the design of general scooter, its looped pipeline 2 is borrowed its fixed block 22 to link sliding stops 13 by elastic cable 4 and is established to be connected to and be responsible in 1, and utilizes tube bank 3 to tighten handle vertical pipe lower end and the interior front fork pivot pipe connecting part of front bar that fixing framework applies to scooter, in like manner, when folding the handle vertical pipe structure, its handle vertical pipe receipts can be against on the pedal.

Hence one can see that, fitting structure that can multidirectional bending provided by the utility model, it utilizes elastic cable to link looped pipeline fixed block that joins and the sliding stops that is arranged among the person in charge, looped pipeline is drawn back break away from the person in charge, make elastic cable provide the relative person in charge effect towards any direction bending for looped pipeline, its variability that folds state is more flexible, and operation is quite convenient.

Claims

1, a kind of fitting structure that can multidirectional bending, pipe fitting segmentation and being made as are responsible for and looped pipeline, and it is responsible for the end noose one fast disassembly type tube bank of looped pipeline in opposite directions, and looped pipeline then is placed through the pipe end of being responsible for the noose tube bank; It is characterized in that: the end that described looped pipeline places the person in charge links to be had an elastic cable, the other end of this elastic cable to stretch among the person in charge and is connected in a sliding stops that can limit slippage.

2, fitting structure that according to claim 1 can multidirectional bending, it is characterized in that: the end tube wall of described person in charge's socket looped pipeline be axially arranged with profile groove, and the tube bank of its noose is provided with one and wears the fixed bolt of being responsible for fixed hole to the location, and between this wears the ring body open end of tube bank of knot quick detach spanner, wearing a locating piece that connects by the bearing pin pivot, this locating piece places above-mentioned profile groove and convexedly stretches in its inner moulding one and is responsible for inner taper and supports piece; One longitudinal fluting of formation of lots supported in the taper that looped pipeline then is placed through corresponding locating piece on the pipe face of being responsible for pipeline section, and establishes in the end and to connect a fixed block.

3, fitting structure that according to claim 1 can multidirectional bending, it is characterized in that: described sliding stops is arranged in the person in charge, and aforementioned tube bank of socket and locating piece, and the longitudinal side of sliding stops is established the chute of the taper of a corresponding locating piece to piece, and this chute lower end is formed with a block with its original circular block body.

4, fitting structure that according to claim 1 can multidirectional bending is characterized in that: the two ends of described elastic cable are connected to looped pipeline and place the sliding stops that end can limit slippage in establishing the fixed block that connects and being responsible for.

5, fitting structure that according to claim 1 can multidirectional bending is characterized in that: described fixed block and the butt end in opposite directions of sliding stops do not have the convex body and the recess of tabling.