JPH0811766A - Bicycle handle - Google Patents

Abstract

PURPOSE:To provide a bicycle handle or a bicycle handle fitting device enabling easy storage and takeout in addition to reducing a storage space in a bicycle storage place or the like. CONSTITUTION:A bicycle handle 1 is provided with a handle arm 2, and a fitting device 5 for fitting the handle arm 2 to the fork stem 4 of a bicycle. The fitting device 5 is provided with a base body 7 having a connection part 6 connected to the fork stem 4 of the bicycle, a rotatable member 8 rotatably fitted to the base body 7, a fixing means 9 for fixing the rotatable member 8 releasably to the base body 7 so as to impede the rotation of the rotatable member 8 to the base body 7 in the rotating position of the rotatable member 8 to the base body 7, and a fitting means 10 for fitting the handle arm 2 to the rotatable member 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bicycle handlebar, and more particularly to a bicycle handlebar in which a handle arm can be arranged parallel to a front wheel.

[0002]

2. Description of the Related Art A bicycle handle is composed of a handle arm and a column to which the handle arm is attached, and the column is fixedly attached to a hawk stem by a tightening nut or the like so as not to rotate. Further, as a bicycle anti-theft key, one that is fixedly attached to the vehicle body frame and that engages with the wheel spokes to lock the wheels to prevent rotation of the wheels, or to lock the wheels and the vehicle body frame, etc. The one that consists of a wire to be hung between is used.

[0003]

By the way, if the prop of the bicycle handlebar is fixedly attached to the hawk stem as described above, when the bicycle is stored in a bicycle parking lot or the like, the handle arm extends laterally and is limited. It is difficult to store many bicycles in the bicycle parking lot of the space provided, and when storing the bicycle in the bicycle parking lot or taking out the bicycle from it, the handle arm is caught by the handle arm of another bicycle, etc. It may not be possible to store and retrieve easily. In addition, the conventional anti-theft bicycle key can be used without any problem if the key is once broken, and it is not yet satisfactory as a reliable anti-theft device.

The present invention has been made in view of the above points, and it is an object of the present invention to reduce the storage space in a bicycle parking lot and the like, and to easily store and take out the bicycle. An object of the present invention is to provide an attachment device for a bicycle handle or a bicycle handle.

Another object of the present invention is to provide a bicycle handlebar or a bicycle handlebar mounting device which exhibits an extremely excellent function of preventing theft without using a conventional key.

[0006]

According to the invention, said object is a bicycle handlebar comprising a handle arm and a mounting device for mounting the handle arm on a hawk stem of a bicycle, the mounting device comprising a bicycle. A base having a connecting portion connected to the hawk stem of, and a rotatable member rotatably attached to the base,
A fixing means for releasably fixing the rotatable member to the base and a handle arm attached to the rotatable member so as to prevent rotation of the rotatable member with respect to the base at a plurality of rotational positions of the rotatable member with respect to the base. And a bicycle handlebar having a mounting means of

Further, according to the present invention, the object is to provide a base having a connecting portion connected to a hawk stem of a bicycle, a rotatable member rotatably attached to the base, and a plurality of rotatable members for the base. Bicycle comprising fixing means for releasably fixing the rotatable member to the base body so as to prevent rotation of the rotatable member with respect to the base body in the rotating position, and mounting means for attaching the handle arm to the rotatable member. It is also achieved by a handle attachment device.

In one preferred example, the fixing means has a rod that can move forward and backward, and is formed on the rotatable member so that the rod advancement and retraction means attached to the rotatable member and the rod of the rod advancement and retraction means penetrate. And a through hole formed in the base so that the rod of the rod advancing / retreating means penetrating the through hole can be inserted at a plurality of rotational positions of the rotatable member. In this example, the rod advancing / retreating means may include a key and a key device capable of advancing / retreating the rod only by this key. Further, the fixing means is an elastic pressing means for elastically pressing the rotatable member against the base body, a hemispherical recess formed in the pressed surface of the base body, and a steel ball arranged in the hemispherical recess. The steel ball may be provided with a hemispherical recess formed on the pressing surface of the rotatable member so that the steel ball fits at each of a plurality of rotational positions of the rotatable member. In another preferred embodiment, the securing means bases the rotatable member on the base so as to prevent rotation of the rotatable member relative to the base in a direction in which the handle arm extends substantially orthogonal to the front wheels and in a direction in which the handle arm extends substantially parallel thereto. It is designed so that it can be released.

The above-mentioned through holes formed in the rotatable member and the base body may be those through which the rod of the rod advancing / retreating means simply penetrates without causing any rattling with the rod. Alternatively, a male screw may be formed on the rod and a female screw may be formed on the through hole so that the rod and the through hole are screwed together.

In one preferred embodiment of the invention, the substrate is
It is composed of a pillar connected to the hawk stem of the bicycle and a plate-like member fixed to the pillar, and one end of the pillar is formed as a connecting portion of the base body. A rotatable member may be attached to the support so that it can be extended and rotated about this support, and in this case, the center of rotation of the handle arm with respect to the vehicle body and the center of rotation of the rotatable member with respect to the plate-shaped member coincide. However, the present invention is not limited to this, and for example, a shaft may be planted in the plate member at a position different from the center of rotation of the handle arm with respect to the vehicle body, and the rotatable member may be rotatably mounted on the shaft. .

In the present invention, the plurality of rotational positions are substantially the first rotational position set in a direction in which the handle arm extends orthogonally to the front wheel and the rotational direction of the rotatable member from the first rotational position. And a second rotational position that is 90 degrees apart, wherein the second rotational position is two positions that are approximately 90 degrees positive or negative away from the first rotational position with respect to the direction of rotation of the rotatable member. May consist of

[0012]

In the bicycle of the present invention, the rotatable member is usually fixed by the fixing means at one rotation position with respect to the base body. Then, when necessary, the fixing of the rotatable member to the base body by the fixing means is released, the rotatable member is rotated with respect to the base body, and the rotatable member is fixed by the fixing means at another rotation position with respect to the base body. Fix it again. As a result, the handle arm is set and fixed at one rotation position and the other rotation position with respect to the front wheel.

The invention will now be described in more detail with reference to the preferred embodiments shown in the drawings. The present invention is not limited to these specific examples.

[0014]

SPECIFIC EXAMPLE Referring to FIGS. 1 to 4, a bicycle handlebar 1 according to this embodiment includes a handlebar arm 2 and a handlebar arm 2.
Attachment device 5 for attaching the to the hawk stem 4 of the bicycle
The attachment device 5 includes a base 7 having a connecting portion 6 connected to the hawk stem 4 of the bicycle, and a disc-shaped rotatable member 8 rotatably attached to the base 7.
A plurality of rotational positions of the rotatable member 8 with respect to the base body 7,
In this example, a first rotation position A (position shown in FIG. 2) in which the handle arm 2 is set to extend in a direction orthogonal to the front wheels, and a rotation direction R of the rotatable member 8 from the first rotation position A. The rotatable member 8 is releasably fixed to the base body 7 so that the rotation of the rotatable member 8 with respect to the base body 7 can be prevented at two second rotational positions B and C that are substantially 90 degrees apart from each other. The fixing means 9 and the attaching means 10 for attaching the handle arm 3 to the rotatable member 8 are provided.

The base 7 of the present example comprises a support 22 made of a hollow pipe connected to the hawk stem 4 at one end 21, and a disc-shaped member 23 fixed to the support 22 by welding or the like. One end 21 of the pillar 22 is configured as a connecting portion 6 of the base 7. To connect the one end 21 to the hawk stem 4, the outer peripheral surface is tapered and screwed into a nut 24 inserted inside the one end 21 side of the support column 22 to be inserted into the support column 22. By rotating the bolt 26 arranged in contact with the upper end of the support 24, the nut 24 is further inserted into the inside of the support column 22 to expand the diameter of the end 21 where the slit 27 is formed. Is pressed against the inner surface of the hawk stem 4 by a known mechanism. The rotation of the bolt 26 causes the nut 24 to rotate.
The nut 24 is formed with a protrusion 28 that is fitted into the slit 27 so that the nut does not rotate. A pillar 22 extending upward through a through hole 31 formed in the disc-shaped member 23.
Further extends through a through hole 32 formed in the rotatable member 8, and a flange 33 is screwed on the upper end thereof. The rotatable member 8 mounted on the column 22 on the upper surface side of the disc-shaped member 23 is thus rotatable about the column 22 in the direction R.

The fixing means 9 has a rod 35 having a male screw 35a formed on the outer surface which is movable back and forth, and a rod moving means 36 attached to the rotatable member 8 and a rod 35.
Through hole 3 formed in rotatable member 8 so that
7, and the rod 35 penetrating the through hole 37 is rotated at the rotational position A,
Three through holes 38, 39 and 40 formed in the disc-shaped member 23 so that the disc-shaped member 23 can be inserted, and an elastic pressing for elastically pressing the rotatable member 8 to the disc-shaped member 23. The means 41 and the pressed surface of the disk-shaped member 23, that is, the upper surface 4
2, the hemispherical recess 43, the steel ball 44 disposed in the hemispherical recess 43, and the rotatable member 8 so that the steel ball 44 fits at each of the rotational positions A, B, and C. Pressing surface,
That is, the three hemispherical recesses 4 formed on the lower surface 45
6, 47 and 48 are provided. Through holes 38, 39
Although each of 40 and 40 may be formed so as to penetrate through the disc-shaped member 23, it may be a bottomed hole instead. The lower surface 45 has a hemispherical recess 46 and a spherical recess 47.
And 48, respectively, to form grooves 51 and 52, which are shallower than the hemispherical recesses 46, 47 and 48, as arc-shaped guide grooves for the steel balls 44. In this example,
Female screws are formed in the through holes 37, 38, 39 and 40 so as to be screwed into the male screw 35a.

The rod advancing / retreating means 36 is provided with a key 61 and a key device 62 capable of advancing / retreating the rod 35 only by the key 61. The housing 63 of the key device 62 is rotatable by welding or the like. 8 is fixed to the upper surface 64 of the key device 62, and the upper surface 65 of the key device 62 is formed with the insertion hole 66 of the key 61. Such a key device 62 with the rod 35 is known, and the rod 3 is inserted only into the insertion hole 66 to rotate the key 61 in the r direction.
5 can be rotated in the same direction and moved back and forth. The male screw 35a and the female screw to be screwed onto the male screw 35a of this example have a thread, in order to have a large screwing strength,
A flat thread valley is used. Elastic pressing means 4
1 includes a coil spring 75 arranged concentrically with the support column 22 between the flange 33 and the upper surface 64 of the rotatable member 8, and the rotatable member 8 is rotated by the extension force of the compressed coil spring 75. It is elastically pressed against the disk-shaped member 23.

The mounting means 10 has a cylindrical member 83 having ears 81 and 82 facing each other at both ends, a bolt 84 inserted into a through hole of the ears 81 and 82, and a bolt 84 screwed into the bolt 84. In addition, a nut 85 for fastening the cylindrical member 83 to fix the handle arm 2 is provided, and the cylindrical member 83 is fixed to the rotatable member 8 by welding or the like.

In the bicycle handlebar 1 of the present embodiment formed as described above, the rotatable member 8 is set to the rotational position A with respect to the disc-shaped member 23, and the key 61 is inserted into the insertion hole 66 of the key device 62. , Rotate it in one direction of r,
The rod 35 is advanced to move the rod 35 through the through holes 37 and 3
When the handle arm 2 is screwed in, the handle arm 2 is fixed in a direction that extends substantially orthogonal to the front wheels, and is in a normal traveling handle position. This allows the bicycle to ride normally. On the other hand, in bicycle parking lots,
When storing the bicycle, first insert the key 61 into the insertion hole 6
6 is inserted, and this is rotated in the opposite direction to retract the rod 35 to release the screwing in the through hole 38. Rod 3
When the threaded engagement of the through hole 38 of 5 is released, the rotatable member 8 becomes rotatable. Here, the rotatable member 8 is further set to the rotational position B or C with respect to the disc-shaped member 23. When the rod 35 is advanced by the key 61 in the same manner as described above and the rod 35 is screwed in the through hole 39 or 40, the handle arm 2 is fixed in a direction extending substantially orthogonal to the front wheel. After removing the bicycle from the bicycle parking lot, etc., perform the reverse operation to the handle arm 2
To the steering wheel position for normal driving.

As described above, in the bicycle handlebar 1, the handlebar arm 2 can be fixed in a direction extending substantially orthogonal to the front wheels for normal traveling, and when stored in a bicycle parking lot or the like, Since the handle arm 2 can be fixed in a direction extending substantially parallel to the front wheels, the storage space for the bicycle in a bicycle parking lot or the like can be reduced, and the storage and removal can be easily performed. In addition, the rod 35 can be moved back and forth only by the key 61, and even if the key device 62 is broken, the handle arm 2
It is difficult to fix the vehicle in a direction that extends almost orthogonally to the front wheels, and it is very effective in preventing theft.

Although the rotatable member 8 and the disc-shaped member 23 have the same diameter in the above description, the rotatable member 8 has a diameter slightly larger than that of the disc-shaped member 23 as shown in FIGS. 5 and 6, for example. At the same time, the annular projection 91 is integrally formed on the outer edge of the lower surface 45, and the disk-shaped member 23 is superposed on the rotatable member 8 so as to be surrounded by the annular projection 91. Rainwater may not enter the mating surfaces.

Further, as shown in FIG. 7, a part of the annular projection 91 is further extended downward, and then the disk-shaped member 23 is formed.
Is bent so as to cover the outer peripheral edge of the lower surface 92 of the
The bent portion 93 may be integrally provided on the first unit.

Further, in the above description, the fixing means 9 is fixed to the male screw 35.
Although the operation is performed by a plurality of rotations of a, instead of this, as shown in FIG. 8 and FIG.
The rod 101 may be advanced and retracted by the rotation of 360 ° or less of 1 (see FIG. 1) (rotation of one rotation or less). The rod 101 of this example includes a large-diameter portion 102 and a small-diameter portion 103 integrated with the large-diameter portion 102. An engaging protrusion 104 is integrally formed at the tip of the small-diameter portion 103, In the through hole 38 of the plate member 23, the groove 105 through which the engaging protrusion 104 can pass and the step portion 1 through which the engaging protrusion 104 can engage.
When the rod 101 is rotated so that the engaging protrusion 104 is located in the groove 105 by the predetermined rotation of the key 61, the fixing means 100 of the rod 1 of the rod 1 is formed.
01 is retracted upward by the spring force to release the fixation, while the rod 101 is advanced downward by the pushing force against the spring force via the key 61, and the rod 101 is thereafter rotated by a predetermined rotation in the opposite direction. Is rotated and the engaging protrusion 1
When 04 is positioned on the step portion 106, the fixing means 100 fixes it. In the case of the present example, the key device 62 may have a built-in spring for urging the rod 101 in the backward direction as described above. The groove 105 and the step portion 106 are also formed in the through holes 39 and 40. Also,
Without providing the groove 105, the step portion 106 and the engaging projection 105, the through holes 38, 39 and 40 into which the rod 101 is simply inserted may be used. In this case, the entire rod 101 may have the same diameter. .

In order to prevent rainwater from entering the mounting device 5, an appropriate cover may be provided.

[0025]

As described above, according to the present invention, it is possible to reduce the storage space in a bicycle parking lot and the like, and to store and take out easily, and to prevent theft even without using a conventional key. It is possible to provide a bicycle handlebar or a bicycle handlebar attachment device that exhibits excellent functions.

[Brief description of drawings]

FIG. 1 is a cross-sectional explanatory view of a preferred specific example of the present invention.

FIG. 2 is a plan view of the specific example shown in FIG.

FIG. 3 is a top view of the disk-shaped member of the specific example shown in FIG.

FIG. 4 is a bottom view of the rotatable member of the specific example shown in FIG.

FIG. 5 is an explanatory diagram of another preferred specific example of the present invention.

6 is a bottom view of the rotatable member of the specific example shown in FIG. 5. FIG.

FIG. 7 is an explanatory diagram of still another preferred specific example of the present invention.

FIG. 8 is an explanatory diagram of still another preferred specific example of the present invention.

9 is a partial perspective view of the disk-shaped member of the specific example shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bicycle handle 2 Handle arm 4 Hawk stem 5 Attachment device 6 Connection part 7 Base body 8 Rotatable member 9 Fixing means 10 Attachment means

Claims (10)

[Claims] 1. A bicycle handlebar comprising a handle arm and a mounting device for mounting the handle arm to a hawk stem of a bicycle, the mounting device comprising:
A base having a connecting portion connected to the hawk stem of the bicycle, a rotatable member rotatably attached to the base, and rotation of the rotatable member with respect to the base at a plurality of rotational positions of the rotatable member with respect to the base. The bicycle handlebar includes a fixing means for releasably fixing the rotatable member to the base body so that the handle arm can be prevented, and an attaching means for attaching the handle arm to the rotatable member. 2. A base member having a connecting portion connected to a hawk stem of a bicycle, a rotatable member rotatably attached to the base member, and a rotatable member at a plurality of rotational positions of the rotatable member with respect to the base member. An apparatus for mounting a bicycle handle, comprising fixing means for releasably fixing a rotatable member to a base body so as to prevent rotation with respect to the base body, and mounting means for attaching a handle arm to the rotatable member. 3. The rod advancing / retracting means attached to a rotatable member, wherein the fixing means has a rod capable of advancing / retreating.
A through hole formed in the rotatable member so that the rod of the rod advancing / retreating means penetrates, and a rod of the rod advancing / retreating means penetrating the through hole can be inserted at a plurality of rotational positions of the rotatable member. The bicycle handle or the bicycle handle attachment device according to claim 1 or 2, further comprising: a through hole formed in the base body. 4. The bicycle handlebar or the bicycle handlebar attachment device according to claim 3, wherein the rod advancing / retreating means comprises a key and a key device capable of advancing / retreating the rod only by the key. 5. A male screw is formed on the rod, and a female screw with which the rod having the male screw is screwed is formed in at least one of the through hole formed in the rotatable member and the base body. The bicycle handle according to 3 or 4, or a device for attaching the bicycle handle. 6. The fixing means includes elastic pressing means for elastically pressing the rotatable member against the base body, a hemispherical surface recess formed on the surface to be pressed of the base body, and steel disposed in the hemispherical surface recess. A sphere,
6. A hemispherical recess formed in the pressing surface of the rotatable member so that the steel ball fits at each of a plurality of rotational positions of the rotatable member. A bicycle handle or a bicycle handle mounting device according to claim 1. 7. The base body comprises a column connected to a hawk stem of a bicycle and a plate member fixed to the column, and one end of the column is configured as a connecting portion of the substrate, The support column extends through the rotatable member, and the rotatable member is rotatable about the support column.
7. The bicycle handlebar or the bicycle handlebar attachment device according to any one of 1 to 6. 8. The fixing means uses the rotatable member as a base so that rotation of the rotatable member with respect to the base body can be prevented in a direction in which the handle arm extends substantially orthogonal to the front wheel and a direction in which the handle arm extends substantially parallel to the front wheel. The bicycle handle or the bicycle handle attachment device according to any one of claims 1 to 7, wherein the bicycle handle or the bicycle handle is attached so as to be releasably fixed. 9. The plurality of rotational positions are a first rotational position set in a direction in which the handle arm extends orthogonal to the front wheel, and approximately 90 with respect to the rotational direction of the rotatable member from the first rotational position. A bicycle handle or a bicycle handle mounting device according to any one of claims 1 to 8, wherein the bicycle handle and the bicycle handle are arranged in a second rotational position spaced apart from each other. 10. The second rotational position according to claim 1, wherein the second rotational position is formed of two positions separated from the first rotational position by approximately 90 degrees in the positive and negative directions with respect to the rotation direction of the rotatable member. Bicycle handle or bicycle handle attachment device.