KR20160123651A - Adjustable and detachable bike to find the handle - Google Patents

Abstract

The present invention relates to a bicycle having a length adjustable and detachable handle. The bicycle according to the present invention can be operated comfortably by adjusting the length of a handle bar made of a plurality of foldable joint structures in accordance with the user's own body condition, It can be used conveniently as a defensive rod by separating the handle bar from the surprise attack by the aggressor simply and instantly so that not only the convenience and the functionality but also the security function can be exercised. In order to achieve the above object, the present invention is characterized in that a rear surface and a side surface are cut out on both sides of a head tube at the center of the front of the bicycle so that both of the variable handle bars are held in a normally opened state, Constitute a bar joint; A variable handle bar is folded and folded in a plurality of joint structures around respective corresponding hinge fixing bolts hinged to both handle bar turning grooves of the handle bar joint so that both of the virtual handle bars are unfolded in both left and right directions in the unfolded state The handlebar bar joints are unbonded and the handle bar barbles are unbonded to be detachable from the handle bar turning grooves during a crisis, And a handle bar.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a bicycle having a length adjustable and detachable handle,

The present invention can adjust the length of the handle bar located on both sides of the stem of the head tube and adjust the length so that the user can easily adjust the length of the handle bar and separate both handle bars from the stem as needed, The present invention relates to a bicycle having a handle, and more particularly, to a bicycle having a handle, and more particularly, to a bicycle having a handle, more specifically, a user can adjust the length of a handle bar made of a folding type joint structure in accordance with his / The present invention relates to a bicycle having a length adjustable and detachable handle that can be used not only as a safety bar but also as a safety bar as well as convenience and functionality.

In general, bicycles are a useful tool for locomotion as well as a role for fitness in modern life. However, in order to ride bicycles on modern roads, bicycles can be safely ridden on bicycle roads or go to parks. In addition, bicycles are used for bicycle rides and outdoor sports on nearby riverside or athletic facilities. After returning home, keep the bicycle and bicycle handlebars as they are, It is a fact that there was a spatial restriction.

To this end, folding bicycles are being produced to carry bicycles in cars. Such conventional folding bicycles are manufactured in various structures and systems including domestic patent No. 0854018, Korean Patent Laid-Open No. 2010-0077550, and Japanese Patent Laid-Open No. 2005-14895.

First, the portable bicycle disclosed in Korean Patent Registration No. 0854018 is a folding type in which a saddle and a rear wheel portion are moved toward a front wheel and a handlebar portion, and includes a handle bar folding device and a body length adjusting device. Here, the handle bar was folded by the handle bar folding device and the length of the bicycle was adjusted by the body length adjusting device. However, a plurality of gear and idle gear pins are used for the handle bar folding device, and such a complicated structure has a problem that it becomes a factor of manufacturing complexity and cost increase, and also the length of front and back of the bicycle is shortened.

The length-adjustable bicycle disclosed in Korean Patent Publication No. 2010-0077550 includes a handle bar, a first length member disposed between the front and rear wheels, and a saddle frame having a saddle at one end. Here, the length of the handle bar is adjusted by the second operation lever, the length of the first length member is adjusted by the first operation lever, and the length of the saddle frame is adjusted by the third operation lever. The handlebar and front wheel were folded together again. However, the front and rear lengths were shortened so that the front wheel was axially rotated, and the folded bicycle was inconvenient for the user to carry and move.

Japanese Unexamined Patent Publication (Kokai) No. 2005-14895 discloses a bicycle structure capable of shortening the length of a body frame. The bicycle structure includes a handle tube, a saddle tube having a saddle at one end, and a saddle tube A lower base tube into which the saddle tube 34 is inserted, and a parent sleeve connected to the lower base tube and having one end of the saddle tube inserted into the saddle tube side. Here, the handle tube was folded downward by the folding hinge, the fingertip was moved to the handle tube side end of the self tube, and the saddle tube was folded by being fully inserted into the bottom base tube. As another example, the saddle tube was detached from the lower base tube and then inserted and fixed in the insertion tube mounted on the lower base tube, so that the saddle tube was fixed in the longitudinal direction of the bicycle. However, in order to fix the length adjustment of the handle tube, the self-tube, and the saddle tube, it is inconvenient to use for the child or the elderly who are weak in grip because many grip members operated by the grip force are used.

In addition, Japanese Unexamined Utility Model Application No. 50-70646 and Japanese Utility Model Publication No. 91-487 disclose that a handle of a bicycle as well as a handle of a bicycle is folded. In these disclosed technical contents, a handle bar folding function is disclosed in which a gear is formed in two divided handle bars, and another gear lever mechanism such as a rack gear for a stopper is engaged with the gear.

However, since the gears and the worm are operated in a combined state, it is possible to prevent malfunction due to the combination of the gears. However, since a large amount of time is spent for the operation and operation, There were limitations and inconveniences of being uneconomical. Of course, even in the case of the application No. 10-1984-0006961 (folding bicycle) and the application No. 20-1992-0015414 (folding handle for bicycle) disclosed as a technique for improving this, the operation time is relatively reduced to some extent Although the effect has been conveyed, the construction cost incurred in constructing these folding handle bars is too expensive and uneconomic to be overcome. Furthermore, only the folding function of the handle bar is provided, and no structural development is available to be separated as needed.

Accordingly, it is an object of the present invention to provide a foldable bicycle which can reduce the space limitation of the bicycle storage or can be stored more conveniently, can improve the limit of the complicated configuration relation on the operation structure that can not be solved, The length of the bar can be adjusted, and various functions such as being able to be instantaneously used as a defensive means in a surprise attack of the bullfight can be given at the same time. Furthermore, the frames of various tubes and stays constituting the body of the bicycle The present invention aims at providing a bicycle having a new shape and operating structure which can easily provide a convenience of fastening and detaching the bicycle, and thus, the user can adjust the length of the handle bar made of a plurality of foldable joint structures In addition to being able to drive comfortably, It is possible to separate the handle bar from the surprise attack by the suddenly and conveniently use it as a defensive rod, thereby providing the operating structure and action effect that can show not only the convenience and the functionality but also the security function It is an object of the present invention to provide a bicycle having a length-adjustable and detachable handle.

A bicycle having a length-adjustable and detachable handle according to the present invention, which can realize the above-described object, has a rear surface and a side surface cut on both sides of a head tube at the front center of the bicycle, A handle bar joint having a handlebar pivotal groove space formed therein so that the folded state can be maintained; A variable handle bar is folded and folded in a plurality of joint structures around respective corresponding hinge fixing bolts hinged to both handle bar turning grooves of the handle bar joint so that both of the virtual handle bars are unfolded in both left and right directions in the unfolded state The handlebar bar joints are unbonded and the handle bar barbles are unbonded to be detachable from the handle bar turning grooves during a crisis, A handle bar, and the like.

Particularly, the variable handle bar applied to a bicycle having a length adjustable and detachable handle of the present invention has a foldable joint structure, and a plurality of length control bolts are fastened and fastened so that the length adjusting bolts can be fastened and unbonded while being spread and folded And a hinge bolt hole is formed at the end of the head tube so as to correspond to the fixing bolt hole of the handlebar joint, and is fastened and fixed as a hinge fixing bolt.

Further, the variable handle bar is positioned in correspondence with the unfolding position groove and the folding position groove formed on the handle bar member while the unfolding operation and the folding operation are rotationally controlled with respect to the handle bar turning groove of the handle bar joint, A position bolt hole in which the positioning bolt is fastened can be formed so as to be smoothly fastened and unbonded or a separate detachment protrusion can be formed to protrude next to the unfolding position groove and the folding position groove of the handle barrel.

The bicycle having a length adjustable and detachable handle according to the present invention is applicable to a head tube and a suspension fork of a variable handlebar constituting a body (frame) of a bicycle, a thief post and a seat tube of a saddle, It is also possible to apply a technical feature that the detachable joint is coupled so that the integral structure of the seat stay of the tire side and the chain stay and the down tubes can be easily fixed and coupled as a fixed fastening member as a bolt means.

The present invention can be said to be a breakthrough technology as a technology which is not in domestic or foreign in various aspects such as convenience, simplicity, functionality, and defense. In addition, it is necessary for bicycling lovers and enthusiasts to break out of the existing bicycle concept as a point of time when a bike of this function is required, and it is also possible to assemble and disassemble the bicycle. Especially, It is a bike that has revolutionary length adjustable and detachable handle that can not be introduced at all, which is transformed into bicycle concept in which a new operating principle that can be easily decomposed (assembled and disassembled) May be provided.

In recent years, bicycle enthusiasts have been able to instinctively self-defend themselves from surprise attack by external enemies on the streets or bicycle lanes. By separating the bicycle handlebars for men, women and children who enjoy bicycle hiking, It can be used, so that it is possible to take an emergency preventive defense from the aggressor, so that the role function of one stone can be exercised. When police patrols or company patrols to enhance the security of the area, it will act as a defense against the various people including urgent escapees and passengers, as well as for the safety of the surrounding citizens. The bicycle handlebar according to the present invention is expected to have a variety of functional roles because it can be used conveniently as a bike expense, a forklift, and a defensive purpose with a criminal.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded view of a variable handle bar applied to a bicycle having a length adjustable and detachable handle according to the present invention. Fig. 1 is an exploded view of an operating structure in which a handle bar is hinged on a handle bar joint, .
FIG. 2 and FIG. 3 are perspective views of a flexible handle bar and a handle bar joint, which are applied to a bicycle having a length adjustable and detachable handle, according to the present invention.
FIG. 4 is a cross-sectional view of a variable handle bar applied to a bicycle having a length adjustable and detachable handle according to the present invention, in an operating state when the handle bar joint is unfolded and folded.
FIG. 5 is a perspective view of a handle bar of a bicycle having a length adjustable and detachable handle according to an embodiment of the present invention. Usage state also used.
FIG. 6 is a perspective view of a bicycle having a length-adjustable and detachable handle according to an embodiment of the present invention. Also, it is easy to carry and store easily.

According to the present invention, the user can easily adjust the length of the handle bar located on both sides of the stem of the head tube, and the length of the handle bar can be used as a coping means by separating the handlebar And a configuration of the bicycle having the detachable handle are described in detail with reference to the drawings.

For reference, the variable handle bar constituting the bicycle handle of the present invention is applied as a multi-joint folding structure unlike the conventional single handle bar structure, so that the variable handle bar 10a and 10b, together with the reference numeral 10, 10b, 10c, and 10d, and is applied as an application example of the present invention, so that a plurality of frames, which are the bicycle body, are fixedly coupled to the stationary coupling 62 so as to easily engage, 60a, 60b, 60c, 60d are also shown as a plurality of numerals in order to indicate that the removable joint used as a bolt means is also applied to four parts together with the reference numeral 60. This is because these deformable handle bars and detachable joints It should be understood that the present invention can be applied to various applications without being limited to four configurations.

The present invention is not only capable of operating the bike user in a comfortable manner by adjusting the length of the handle bar made of a folding type joint structure in accordance with the body condition of the bike, but also can be easily operated instantaneously from a surprise attack It is basically a completely modified structure of the handle bar so that it can be used conveniently as a defensive rod by separating the bar, so that the principle of operation, in addition to storage, convenience, functionality and security, can be exhibited.

First, the variable handlebars 10a, 10b, 10c, 10c, 10e, 10b, 10c, 10e, 10b, 10c, And a handle bar joint 20 having a space for a handlebar pivotal groove 21 is formed so that the foldable handle bar 10d can be maintained in a normally opened state and a folded state when stored. That is, the handlebar pivotal grooves 21 of the handle bar joint 20 are cut at both right and left sides so that the variable handle bars 10 can be rotated in both left and right directions during the unfolding operation, (10) is rotated at right angles to both sides of the center at the time of the folding operation at the time of storage, thereby forming a space shape with the back side cut out so as to be fixed in position.

The left and right variable handle bars 10a, 10b, 10c, and 10d, which are hinged to the handle bar joint 20 and fixed in position, are engaged with both handle bar turning grooves 20a, 10b, 10c, and 10d, which are folded and operated in a plurality of joint structures, are hinged to and fixed to the hinge fixing bolts 26, 10b, 10c, and 10d of the virtual handle bars 10 (10a, 10b, 10c, and 10d) of the left and right virtual handle bars 10 So that they can be folded and fixed to both sides of the center. Of course, the variable handle bars 10 (10a, 10b, 10c, 10d) hinged to both sides of the handlebar joint 20 are hinge-fastened to the hinge fixing bolts 26 can be unbonded and can be easily separated from the handle bar turning groove 21. [

That is, the variable handle bars 10 and 10a have a plurality of folding type joint structures, and the length adjusting bolts 14 are fastened and bound so that they can be unfolded and unfolded while being spread and folded. A hinge bolt hole 11 is formed at the end of the head tube 44 on the side of the head tube 44 so as to correspond to the fixing bolt hole 23 of the handlebar joint 20, And is fixedly engaged. In addition, the variable handle bars 10a, 10b, 10c, and 10d having a plurality of joint structures are structured so that the separation preventing ends 16 protrude from the ends of the connecting (coupling) It is preferable to be formed so as to be prevented.

The variable handle bars 10 and 10a are disposed in the extended position grooves 25 formed in the handle bar member 25 while the unfolding operation and the folding operation of the handle bar joint 20 are performed, 22 and the folding position grooves 24 so that the position bolt holes 13 in which the positioning bolts 12 are fastened can be smoothly fixed and unbonded by the elastic action of the return spring 17 inside. . Separate release preventing protrusions 27 are protruded and formed adjacent to the spreading position grooves 22 and the folding position grooves 24 of the handle bar 25 to define the extended position grooves 22 and the folding position grooves 24, The position fixing bolts 12 mounted on the position bolt holes 13 of the variable handle bars 10 and 10a are fixedly coupled together and the separate handlebars 27 are engaged. (10a, 10b, 10c, 10d) can be firmly and firmly fixed to the handlebar joint 20 in the unfolded position and the folded position.

The bicycle having a length adjustable and detachable handle according to the present invention can be applied to the bicycle body 10 with the application of the variable handle bars 10 (10a, 10b, 10c, 10d) The head tube 44 and the suspension fork 42 on the side of the variable handle bar 10 constituting the frame 40 and the seat stay 58 on the saddle side and the seat stay 52 on the side of the tire 40 (60a, 60b, 60c, 60c, 60d, 60d, 60d, 60d, 60d, 60d, 60d, 60d, 60d may be combined. At this time, the detachable joints 60a, 60b, 60c, and 60d are in the form of a tube through which the respective detachable joints 60a, 60b, 60c, and 60d are inserted, and these frames are inserted into the detachable joints 60a, 60b, 60c, So that they can be easily coupled and fixed through the fixed binding opening 62 and can be separated and stored as needed.

That is, as shown in the use state diagrams of FIGS. 1 and 5, the present invention is characterized in that the handle bar joint 20, which is basically positioned above the head tube 50, 10b, 10c, 10d can be adjusted in length in accordance with the user's body condition, and when stored in a narrow space, the variable handle bars 10 (10a, 10b, 10c, 10d) It is possible to reduce the size of the bicycle by folding the handlebar joint 20 to both sides of the center thereof. Also, as shown in the drawing of the application state embodiment of FIG. 6, the angle between the frames constituting the body portion of the bicycle to which the variable handle bars 10 (10a, 10b, 10c, 10d) 60b, 60c, and 60d are applied to the connection site, and the connection and detachment joints 60a, 60b, 60c, and 60d are applied to the connection site, And may also be provided with convenience in carrying.

10 (10a, 10b, 10c, 10d): variable handle bar
11: Hinge bolt hole 12: Positioning bolt
13: Position bolt hole 14: Length adjusting bolt
15: length bolt hole 16:
17: return spring 20: handle bar joint
21: handlebar pivoting groove 22: unfolding position groove
23: Fixing bolt hole 24: Folding position groove
25: Hinged pants 26: Hinge fixing bolt
27: Disengagement prevention projection 30: Head tube
40: Tire 42: Suspension fork
44: head tube 46: top tube
50: down tube 52: seat tube
54: Seat stay 56: Chain stay
58: Seatpost 60 (60a, 60b, 60c, 60d): Desorption joint
62:

Claims (4)

The rear side and the side surface are cut off on both sides of the head tube 30 at the center front of the bicycle so that the flexible handle bars 10 (10a, 10b, 10c, 10d) on both sides can be maintained in the normally opened state and in the folded state (20) having a space for a handlebar pivotal groove (21);
10a, 10b, 10c and 10d are folded and folded in a plurality of joint structures, respectively, around a corresponding hinge fixing bolt 26 hinged to both handle bar turning grooves 21 of the handle bar joint 20, 10b, 10c, 10d of the two virtual handle bars 10a, 10b, 10c, 10d are unfolded and fixed in both the left and right sides in the normally unfolded state, 10) 10a, 10b, 10c, and 10d are folded and folded to both sides of the center, and in the event of a crisis, the hinge fixing bolt 26 of the handle bar joint is unbonded and separated from the handle bar turning groove 21 (10a, 10b, 10c, 10d) that can be adjusted by the user to adjust the length of the handlebar (10). The method according to claim 1,
The variable handle bars 10 and 10a have a plurality of length bolt holes 15 in which a length adjusting bolt 14 is fastened and coupled so that the variable handle bars 10a are folded and folded while being folded and folded, And a hinge bolt hole 11 corresponding to the fixing bolt hole 23 of the handlebar joint 20 is formed at the end of the head tube 44 so as to be fastened and fixed to the hinge fixing bolt 26 Characterized by a bicycle having a length adjustable and detachable handle. The method according to claim 1 or 2,
The variable handle bars 10 and 10a are disposed in the extended position grooves 22 formed in the handle bar member 25 while the unfolding and folding movements of the handle bar joint 20 are adjusted The positioning bolt holes 13 to which the positioning bolts 12 are fastened can be formed so as to be smoothly coupled and unfastened by the elastic action of the internal return spring 17 Or a separate release preventing protrusion (27) can be protruded from the folded position groove (22) and the folded position groove (24) of the handle bar support (25) Have a bicycle. The method according to claim 1 or 2,
The head tube 44 and the suspension fork 42 on the side of the variable handle bar 10 constituting the body (frame) of the bicycle together with the application of the variable handle bars 10 (10a, 10b, 10c and 10d) The integral structure of the shift post 58 and the seat tube 52 on the side of the tire 40 side and the seat stay 54 on the side of the tire 40 and the chain stay 56 and the down tube 50 can be easily fixed to the fixed fasteners 60, 60b, 60c, 60d are coupled so as to be able to engage and disengage as fasteners (62, 62).

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