JP3091753U - Bicycle in which head pipe is housed - Google Patents

Abstract

(57) [PROBLEMS] To accommodate a head pipe capable of shortening the distance between a handle member and a front wheel by a contraction method and reducing the height of the front pipe regardless of the installation position of the front wheel. The purpose is to provide bicycles. The frame includes a frame, a front wheel, a rear wheel, and a transmission. The frame includes a front fork foot (2), a rear fork foot, and a connecting frame for connecting the front and rear fork feet. And a front pipe (2) pivotally connected to a connecting frame (4) by a rotating device (3), and a head pipe in which a handle member (1) is provided on the front fork foot (2) is housed. The front fork foot (2) is provided with a mounting unit (15) for accommodating the head pipe (14) so that the head pipe (14) can expand and contract freely.
The extension and contraction direction (140) of 4) is different from the axial direction (30) of the rotating device (3).

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention reduces the distance between the handle member and the front wheel especially by the contraction method. In both cases, the height for housing can be shortened regardless of the installation position of the front wheels. The present invention relates to a bicycle that accommodates a head pipe.

[0002]

[Prior art]

  As shown in FIG. 1, the structure of the conventional folding bicycle (6) includes a frame (61), It has a front wheel (62), a rear wheel (63) and a transmission (64). flame (61) is the front hawk foot (611), the standing pipe (612), and the front hawk foot. A connecting frame (613) for connecting (611) and the standing pipe (612) is provided. To do. Two foot tubes (for attaching the front wheel (62) to the bottom of the front hawk foot (611) 6111) is provided, and a connecting frame (613) is provided on the upper part by a rotating device (65). ) And a handle member (66) is provided on the upper part of the rotating device (65). It has been done. The handle member (66) includes a left handle (661) and a right handle (6). 62) and a head pipe (663), and the head pipe (663) has a front hose. It can rotate with the foot (611). Therefore, the direction of movement of the front wheels (62) Can be controlled. In addition, a mounting pipe (612) is attached to the front end of the standing pipe (612). 1) is installed and the other end is provided with a rear fork foot (6122), and thus a rear wheel (6) 3) can be placed on the rear hawk's foot (6122). Furthermore, conventional folding type A bicycle has a transmission device including a pedal, a chain case, a gear plate, and a chain. (64) is provided. This transmission (64) has the above-mentioned mounting pipe (6121). And it is installed on the axle of the rear wheel (63). The user presses the pedal and the rear wheel (6 3) can be transmitted.

[0003]   Since the above structure is a general bicycle structure, it will not be described in detail here. However, due to the folding bike, the volume is small due to the storage when not in use. The front and rear distance and height of the bicycle have been shortened. Bicycle distance is short The side to be contracted is forwarded by the folding device having different shapes on the frame (61). The front-rear distance is shortened by bringing the wheel (62) closer to the rear wheel (63).

[0004]

[Problems to be solved by the device]

  However, in the direction of reducing the height, the handle member (66) is The head pipe (663) is attached to the inner pipe (6631) Installed by a telescopic structure that combines with the pipe (6632), and thus the head Since the extending direction of the pipe (663) is a straight line that is equal to the axis of the rotating device (65). The lower part of the head pipe (663) is the front fork foot (611) and the front wheel (62). . As a result, the extension distance of the head pipe (663) should not be long, and If not, the inner pipe (6631) of the head pipe (663) is connected to the front fork foot (6). 11) or the front wheel (62) may come into contact, and therefore the head pipe (663) ) 'S function is only to adjust the handle member (66), effectively reducing the height. It cannot be shortened.

[0005]   In addition, as shown in FIG. 2, in order to reduce the height of the bicycle, the upper part of the rotating device (65) is By providing the folding member (664) on the head pipe (663) of the The head pipe (663) is against the front fork foot (611) when not using the rolling wheels. Upon folding, the handle member (66) is housed on the side of the front wheel (62), thus , The height of the bicycle can be effectively shortened. However, this allows Stretchable structure to adjust height to head pipe (663) and folding to accommodate If the difficulty of manufacturing and union is increased because the construction of the structure must be installed at the same time In addition, the manufacturing cost will be increased.

[0006]   Therefore, it was the present invention that was devised, and the handle member and front Head pie that can reduce the distance from the wheel and the height when storing The purpose is to provide a bicycle that accommodates the bicycle.

[0007]

[Means for Solving the Problems]   The invention is   A frame, a front wheel, a rear wheel, and a transmission are provided, and the frame includes a front fork foot (2 ), A rear hawk foot, and a connecting frame for connecting the front hawk foot and the rear hawk foot. And the front fork foot (2) has a connecting frame (4 ) With a handle member (1) on the front fork foot (2) A bicycle that accommodates   The front fork foot (2) is used for accommodating the head pipe (14) in a telescopic manner. A mounting unit (15) is provided to extend and retract the head pipe (14) (140). ) Is different from the axial direction (30) of the rotating device (3). Provide a bicycle, which will be accommodated.

[0008]

[Action]

  The present invention solves the above-mentioned problems, and a head pad of a handle member (1) is provided. The expansion / contraction direction (140) of the ip (14) is different from the axial direction (30) of the rotating device (3). Therefore, one end of the head pipe (14) projects downward from the mounting pipe (151). After being put out, the front fork foot (2) and front wheel (5) do not come into contact and therefore the left handle (11) and the right handle (12) are moved to the position closest to the rotating device (3). As a result, the manufacturing cost of the present invention can be reduced.

[0009]   Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Of course The following examples merely show the preferred embodiments of the present invention, and the technical The range is not limited to the examples below.

[0010]   FIG. 3 is a partial perspective view of the first embodiment of the bicycle in which the head pipe according to the present invention is housed. FIG. 4 is a reference view, and FIG. 4 is a first view of a bicycle in which a head pipe according to the present invention is housed. FIG. 5 is a partial perspective reference view showing a state in which the handle of the embodiment is housed, and FIG. It is a partial perspective reference view of the second embodiment of the bicycle in which the related head pipe is housed, FIG. 6 is a partial perspective view of a third embodiment of a bicycle in which a head pipe according to the present invention is housed. It is a reference drawing.

[0011]

[Embodiment of device]

  As shown in FIG. 3 and FIG. 4, the main structure of the present invention is almost the same as the conventional structure. The front wheel, the rear wheel, and the transmission. Connect the front hawk to the rear hawk and the front hawk to connect the rear hawk to install the rear wheel. It has a connecting frame for the transmission, the transmission is installed on the rear fork foot, and the rear wheel Can be transmitted. For convenience of explanation, only the main features of the present invention are shown in the drawings. Not shown. The front hawk foot (2) pivots with the rotating device (3) and the connecting frame (4). To be rotated and to be controlled by the user on the front fork foot (2) A handle member (1) is provided. The different points will be described below.

[0012]   The handle member (1) has a left handle (11) and a right handle (12). , Left handle (11) and right handle (12) are connected by a lateral rod (13) The head pipe (14) is installed so as to be perpendicular to the horizontal rod (13), One end of the head pipe (14) is inserted into the mounting unit (15). In this embodiment the mounting unit (15) is a hollow mounting pipe (151) , The attachment pipe (151) is a single foot tube (21) in the front fork foot (2). ) Is welded on the side. Therefore, the head pipe (14) is attached to the mounting pipe (15 1) Sliding in and mounting along the direction of expansion (140) The relative position with respect to the pipe (151) is changed, and the expansion / contraction direction (140) is changed by the rotating device. They are different straight lines having a constant distance from the axial direction (30) of (3). Head pie To fix the relative position of the pipe (14) and the mounting pipe (151). A fixing device (152) is provided at the upper end of the pipe (151). This fixing device The structure of (152) is different according to the demand of use, and is the only structure in this embodiment. An example will be described. The fixing device (152) of this embodiment includes a fixing lever (1521), It has a mounting bracket (1522) installed on the upper end of the mounting pipe (151), The mounting hole (15) for accommodating the fixed lever (1521) in the fitting (1522). 23) has been formed. The fixing lever (1521) is attached to the mounting hole (1523). By fixing and tightening the upper end of the mounting pipe (151), the head The pipe (14) cannot move and rotate with respect to the mounting pipe (151), When the fixing lever (1521) is separated from the mounting hole (1523), The de-pipe (14) can move and rotate with respect to the mounting pipe (151). Wear.

[0013]   As shown in FIG. 3, when using the present invention, the head pipe (14) is attached to the mounting pipe. While moving upward from the Yip (151), the lateral rod (13) moves the rotating device (3 ), Which allows the user to remove the head pipe (14) and the mounting pipe (15). The relative position with respect to 1) can be adjusted, and the suitable position of the handle member (1) can be adjusted. After adjusting, the head pipe (14) and the mounting pipe are fixed by the fixing device (152). The relative position to (151) may be fixed. Direction of expansion and contraction of the head pipe (14) The axial direction (30) of the rotating device (3) and the rotating device (3) are different straight lines. Of the lateral rod (13) when controlling the front wheel (5) by the handle member (1). The center of rotation is the same as the center of rotation of the rotating device (3), and therefore the conventional turning method Is the same as.

[0014]   As shown in FIG. 4, when the present invention is housed, the fixing device (152) can be released first. Both have a head pipe (14) housed in the mounting pipe (151). The expansion / contraction direction (140) of the head pipe (14) and the axial direction (30) of the rotating device (3). ), The length of the head pipe (14) is not related to the influence of the position of the front wheel (5). Therefore, one end of the head pipe (14) is located below the mounting pipe (151). After protruding to the front handle (2) and front wheel (5), the left handle (1 1) and the right handle (12) are moved to the position closest to the rotating device (3), Furthermore, when the head pipe (14) is rotated with respect to the mounting pipe (151) Together, by making the horizontal rod (13) substantially parallel to the connecting frame (4) , Can effectively reduce the height of the bicycle.

[0015]   Furthermore, as shown in FIGS. 5 and 6, a larger bicycle can be used to The brace (151) may be used as a foot tube for the anterior hawk foot (2). Thereby, Overall, the bicycle structure can be simplified. The usage method is the same as the above embodiment. Since it is the same as, it is omitted here.

[0016]   Also, as shown in FIG. 3, the expansion and contraction direction (140) of the head pipe (14) of the present invention. Is different from the axial direction (30) of the rotating device (3), so that The connecting point with the hand rod (13) is not in the center of the lateral hand rod (13), so Hanging a handbag, bag, etc. on the center of the horizontal rod (13). Moreover, since the center of gravity of the hanging thing hangs on the center of the horizontal rod (13), The phenomenon that the center of gravity becomes unstable due to hanging on one side handle does not occur.

[0017]

[Effect of device]

  Since the present invention has the above configuration, the head pipe (14) of the handle member (1) is The expansion / contraction direction (140) of) is different from the axial direction (30) of the rotating device (3). The length of the dead pipe (14) is independent of the influence of the position of the front wheel (5), and therefore the head After one end of the pipe (14) is projected downward from the mounting pipe (151), Without touching the hawk foot (2) and front wheel (5), the left handle (11) and right handle ( 12) is moved to the position closest to the rotating device (3), whereby the present invention Manufacturing cost can be reduced.

[Brief description of drawings]

FIG. 1 is a front view of a conventional folding bicycle.

FIG. 2 is an orthographic view showing a state in which a handle of a conventional folding bicycle is folded.

FIG. 3 is a partial perspective reference view of a first embodiment of a bicycle in which a head pipe according to the present invention is housed.

FIG. 4 is a partial perspective reference view showing a state where the handle of the first embodiment of the bicycle in which the head pipe according to the present invention is accommodated is accommodated.

FIG. 5 is a partial perspective reference view of a second embodiment of a bicycle in which a head pipe according to the present invention is housed.

FIG. 6 is a partial perspective reference view of a third embodiment of a bicycle in which a head pipe according to the present invention is housed.

[Explanation of symbols]

1 Handle member 11 Left handle 12 right handle 13 Yokote rod 14 head pipe 140 Stretch direction 15 Mounting unit 151 mounting pipe 152 Fixing device 1521 Fixed lever 1522 Mounting bracket 1523 mounting hole 2 front hawk 21 foot tube 3 rotating devices 30 Axial direction 4 connection frame 5 front wheels 6 bicycles 61 frames 611 front hawk 612 Vertical pipe 6121 Mounting tube 6122 Rear Hawk Feet 613 connection frame 62 front wheels 63 rear wheel 64 transmission 65 rotator 66 Handle member 661 left handle 662 right handle 663 head pipe 6631 internal pipe 6632 External pipe 664 Folding member

Claims (3)

[Scope of utility model registration request] 1. A connecting frame for connecting a front hawk foot (2), a rear hawk foot, and a front hawk foot and a rear hawk foot, comprising a frame, a front wheel, a rear wheel and a transmission. And a front pipe having a front hawk foot (2) pivotally connected to the connecting frame (4) by a rotating device (3) and a head pipe having a handle member (1) provided on the front hawk foot (2). The front fork foot (2) is provided with a mounting unit (15) for accommodating the head pipe (14) in a freely expandable and contractible manner, and the extending direction (140) of the head pipe (14) is the rotating device (3). ) The bicycle in which the head pipe is accommodated, characterized in that it is different from the axial direction (30). 2. The mounting unit (15) is a mounting pipe (151) which is welded to the side of one foot pipe (21) of the front fork foot (2), the mounting pipe (15)
The fixing device (152) is provided at the upper end of 1), and the fixing device (152) has a fixing lever (1521) and a mounting bracket (1522) installed at the upper end of the mounting pipe (151). 1522) fixed lever (152
Bicycle according to claim 1, characterized in that a mounting hole (1523) is formed for accommodating (1). 3. The mounting pipe (151) is a foot tube of the front fork foot (2), a fixing device (152) is provided at the upper end of the mounting pipe (151), and the fixing device (152).
Is the fixed lever (1521) and the mounting pipe (15
1) has a mounting bracket (1522) installed on the upper end,
The bicycle according to claim 1, wherein a mounting hole (1523) is formed in the mounting bracket (1522) to accommodate the fixed lever (1521).