JP2001278145A - Lighting fixture for bicycle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an appropriate and improved lighting fixture for a light for a bicycle. SOLUTION: This lighting fixture for a bicycle comprises a flashlight type electric light part 1 and a holder 2 to be installed on a handlebar of a bicycle. A battery case 13a exposed to a part of a body 13 of the electric light part 1 is made of steel and is attracted to a magnet 21c placed on a surface of a bearer 21 of the holder 2 to be held. An arm 21a expanding upwardly from both sides at a rear part of the holder 2 also helps secure holding. An engagement hole 21b is provided on the rear part surface of the bearer 21 of the holder 2 and an engagement protrusion 13c is provided on a corresponding part of the body 13 so that the engagement hole 21b and the engagement protrusion 13c are engaged to each other during holding. Thus, the electric light part 1 is prevented to rotate and thereby switch movement by rotational operation of an operation ring 12 can be performed without any trouble. Further, unexpected falling of the electric light part 1 can be prevented by inserting a key holder 14a of a key chain 14 at a rear end of the electric light part 1 into a hook 21e on a back surface of the holder 2. The electric light part 1 can also be used as a flashlight alone.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device, and more particularly to a lighting device suitable for a bicycle light.

[0002]

2. Description of the Related Art Conventionally, as a bicycle light, a power generation type in which a generator is rotated by using the rotation of wheels is most widely used, but is used because it is disliked by the weight of a pedal depressing force at the time of use. It is often not done, and this is the cause of the increase in unlit vehicles. Non-power-generating batteries that use batteries such as dry batteries as a power source are also commercially available, but they are cumbersome because they are attached to bicycles by means of belts, etc. Or the set focusing direction is deviated by vibrations during running or the like.

[0003]

SUMMARY OF THE INVENTION The present invention is to improve the lighting for a bicycle in such a situation, and to easily and reliably attach a non-power-generating type bicycle lighting device using a battery as a power source to the bicycle. An object of the present invention is to prevent the camera from falling off and to prevent the set focusing direction from being distorted due to vibration during traveling or the like.

[0004]

According to the present invention, there is provided the following object.
It comprises a small flashlight type light part, and a holder which can be attached to the handle of the bicycle and has a pedestal provided with means for mounting and fixing the light part on the upper surface, and the light part is mounted on the pedestal surface. The problem can be solved by providing a magnet as a means for placing and fixing, and the electric lamp unit is detachably fixed by the magnetic force of the magnet on the cradle surface.

According to the present invention, the above object is achieved in the above-mentioned item in that the steel plate part forming all or a part of the battery case built in the lamp part is exposed to the outside, and the magnet provided on the receiving base surface of the holder. The problem is solved by fixing the electric lamp unit by attracting the exposed steel plate portion.

According to the present invention, in the above-mentioned solution, an arm having a shape enclosing the mounted lamp portion is extended from both sides of the lamp portion mounting surface of the holder, and the elasticity of the arm is extended. The problem is solved by holding the lamp unit.

According to the present invention, in the above-mentioned solution, the rotation stop is provided on the surface of the holder on which the lamp is mounted and the surface corresponding to the outer periphery of the lamp by a locking structure having an uneven relationship. Is solved.

According to the present invention, the key means is mounted on the rear end of the lamp unit, and the holder is provided with a hook for detachably engaging the ring portion of the key chain. Can be solved.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention relates to a bicycle lighting device comprising a flashlight-type lamp unit and a holder for attaching the lamp unit to a bicycle handle. In this case, the steel plate portion of the lamp unit is sucked and held detachably.

[0010] The battery case built in the lamp part is entirely or partially formed of a steel plate, and a part of a cylindrical outer peripheral wall of the lamp part, which is generally formed entirely of resin, is cut open. In this case, the steel plate portion of the battery case is exposed to the outside, and this portion is attracted by a magnet to fix the lamp portion.

An arm is formed to extend upward from both sides of a portion of the holder on the rear side of the lamp unit mounting surface, and the arm surrounding the mounted lamp unit is extended. The resin forming the holder is made of an impact-resistant material. By doing so, the arm has elasticity and the electric lamp part is held auxiliary.

A concave portion is provided on the rear side of the lamp portion mounting surface of the holder, and a convex portion is provided on a corresponding portion of the outer periphery of the lamp portion on the rear side. By doing so, even if the operation ring provided on the main body as the operation part of the power switch is turned, the main body does not rotate together, and the switch operation is assured.

A key chain is attached to the rear end of the lamp unit. A hook is protruded and extended from the rear surface of the holder, and the ring portion of the key chain is sandwiched in a gap between the holder and the rear surface of the key chain to prepare for a dropout accident when the lamp portion is held. In addition, when the lamp unit is removed, the key chain is useful when holding a bicycle key or the like or when the lamp unit is used alone.

[0014]

FIG. 1 is an exploded perspective view of a lighting fixture according to the present invention. In FIG. 1, reference numeral 1 denotes a lamp unit on the main body side of the lighting fixture, and 2 denotes a holder for attaching the lamp unit 1 to a handle of a bicycle.
Consists of parts. FIG. 2 is a perspective view seen from a different angle from FIG. 1, and an embodiment of the present invention will be described with reference to both drawings.

The lamp unit 1 is a so-called flashlight type having a cylindrical shape. Reference numeral 11 denotes a resin lens barrel arranged at the front of the lamp unit 1, which has a front glass 11a on the front surface and is shown inside. Light bulbs and reflectors are omitted. Reference numeral 12 denotes a resin operating ring, which is rotatable within a predetermined angle range disposed at the rear portion of the lens barrel 11, and which is operated by rotating the operating ring to switch an internal switch between ON and OFF, thereby providing a power supply. Can be turned on and off, and can be detached from a main body, which will be described later, by further rotating from a power-off state.

Reference numeral 13 denotes the main body described above. It is formed of a resin in a cylindrical shape, and has an opening at the front end. The portion where the lens barrel 11 and the operation button ring 12 are assembled here can be detached by a rotating operation. The detailed structure is publicly known, so that the description is omitted.

Reference numeral 13a denotes a battery case assembled in the main body 13. The battery case 13a is formed of a steel-based metal plate into a cylindrical shape, houses a battery of a predetermined size, and has a known structure in which a connection terminal to the battery is provided at a rear end by a coil spring. The upper and lower portions of the resin portion of the cylindrical outer peripheral surface of the main body 13 are configured such that a considerable area portion is cut out as shown in the figure to expose the surface of the battery case 13a.

Reference numeral 13b denotes a chain fixing portion protruding from the rear end of the main body 13, and one end of the key chain 14 is attached to a hole formed here. 1
4a is a ring-shaped key holder provided at the tip of the chain 14.

Reference numeral 2 denotes a holder for fixing the lamp unit 1 to the handle of the bicycle as described above. It is integrally formed of an impact-resistant resin, and has an upper part provided with a part-shaped pedestal 21 having a cylindrical inner diameter suitable for mounting and fixing the light unit 1, and a large penetrating part fixed to a bicycle handlebar at the lower part. A hole 22a is provided in a direction orthogonal to the longitudinal direction of the receiving base 21, and a lower part thereof is a mounting part 22 divided into two parts for passing a handle through the through hole 22a. After penetrating the handle, the two divided mounting portions 22 are tightened with screws 3 and fixed to the handle.

Reference numeral 21a denotes a wing-shaped arm extending upward from both sides so as to wrap the lamp unit 1 upward toward the rear end of the receiving base 21 when the lamp unit 1 is mounted. Also, 21b
Is a locking hole provided in the surface near the rear end of the cradle 21.
Receiving the locking projection protruding from the corresponding portion of
This prevents unnecessary turning of the electric lamp unit 1 placed on the light source.

Reference numeral 21c is a magnet. With the front end surface slightly protruding from the mounting surface of the cradle 21, and
Provided with some play. The details of this structure are the same as those of a magnet catch used for a known furniture door.

FIG. 2 is a perspective view of the perspective view of FIG. 1 used in the above description, with a different angle. As can be understood from the drawing, a hook 21e is extended in a hook shape on the rear surface 21d of the cradle 21, and a ring-shaped key holder 14a of the key chain 14 is held between the rear surface 21d and the back surface of the hook 21e. It can be made to be.

FIG. 3 shows the state of use of the bicycle lighting device of the present invention having such a configuration. The bicycle lighting device is used as follows. A part where the lens barrel 11 and the operation button ring 12 are assembled is removed from the front of the main body 13 by a rotation operation, a battery of a predetermined size is loaded into the battery case 13a from the opened part, and the lens barrel 11 and the operation button The part assembled with the ring 12 is attached. On the other hand, the through hole 22 a of the attachment portion 22 of the holder 2 is inserted into the handle 4 of the bicycle, and tightened with the screw 3. If the diameter of the handle is large, the mounting portion 22 is covered by being divided into two parts, and if the diameter is small, the problem is solved by providing an auxiliary tape wound around the outside diameter of the handle.

As shown in FIG. 3, the lower surface of the lamp unit 1 is fitted into the receiving base 21 of the holder 2. At this time, a locking projection 13c protruding from a corresponding part of the electric lamp unit 1 is fitted into a locking hole 21b provided in a surface near the rear end of the receiving base 21 and locked.
The lamp unit 1 is fitted so as to wrap around the rear of the lamp unit 1 by wing-shaped arms 21a extending upward from both sides from the rear end of the lamp unit 1. Since the holder 2 including the arm 21a is made of a somewhat elastic and impact-resistant resin, the outer periphery of the rear part of the electric lamp unit 1 is elastically snapped into the pedestal 21 and the pedestal 21
The magnet 21c on the upper surface adsorbs the outer peripheral surface of the battery case 13a exposed from the outer peripheral surface of the main body 13 of the electric lamp unit 1, so that the electric lamp unit 1 is securely held.

The key chain 14 of the key chain 14 is placed between the rear surface 21d of the cradle 21 and the hook 21e.
a is pushed in and pinched.

The operation ring 12 of the light unit 1 is turned in a predetermined direction to turn on the switch, and the light is turned on to be used as a bicycle light.

[0027]

As described above, according to the present invention, a bicycle lighting device comprising a flashlight-type light portion and a holder for attaching the same to a handle of a bicycle is mounted on a surface of a base of the light portion above the holder by a magnet. Is provided so that the lamp unit can be detachably held, so that the bicycle can be easily removed when the bicycle is not used, and can be easily attached when the bicycle is used.

The battery case built in the lamp part is entirely or partially made of a steel plate, and a part of a resin part forming a cylindrical outer peripheral wall of the lamp part is cut open to open the battery case. The steel plate part was exposed to the outside, and this part was attracted by a magnet so that the lamp part was fixed, so that the battery case itself could be used for fixing the lamp part. There is no need to provide a suction piece, and the number of parts is reduced, which is effective in cost reduction.

An elastic arm which wraps around the mounted lamp unit is extended from both sides of a portion of the holder near the rear of the lamp unit mounting surface so as to support the lamp unit in an auxiliary manner. The lamp unit was securely held, and was able to withstand vibrations and shocks accompanying the running of the bicycle.

A concave portion is provided on the rear side of the lamp portion mounting surface of the holder, and a convex portion is provided on a corresponding portion of the outer periphery of the lamp portion on the rear side. In addition, even when the operation ring serving as the power switch is rotated, the main body does not rotate together, and the switch operation is assured.

A key chain is attached to the rear end of the lamp unit, a hook is extended from the rear surface of the holder, and the ring portion of the key chain is sandwiched in a gap between the rear surface of the holder and the light unit is held. This has the effect of preparing for an unexpected drop-off accident. In addition, when the lamp unit is removed, the key chain is useful when holding a bicycle key or the like or when the lamp unit is used alone.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of one embodiment of the present invention.

FIG. 2 is an exploded perspective view of FIG. 1 viewed from another angle.

FIG. 3 is a perspective view of an assembled state of the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Light part 11 Lens barrel 12 Operation ring 13 Main body 14 Key chain 2 Holder 21 Cradle 22 Mounting part 3 Screw 4 Bicycle handle

Claims (5)

[Claims] 1. A small flashlight-type light unit, and a holder which is attachable to a handle of a bicycle and has a pedestal provided with means for mounting and fixing the light unit on the upper surface, A lighting device for a bicycle, comprising a magnet as a means for mounting and fixing a light portion on the bicycle, wherein the light portion is detachably fixed by a magnetic force of a magnet on a cradle surface. 2. A steel plate part forming all or a part of a battery case built in a lamp part is exposed to the outside, and the exposed steel plate part is attracted by a magnet provided on a receiving surface of a holder. The lighting device for a bicycle according to claim 1, wherein the lamp portion is fixed by the lamp. 3. An arm having a shape enclosing the mounted lamp unit is extended from both sides of the lamp unit mounting surface of the holder, and the lamp unit is held by elasticity of the arm. 3. The lighting device for a bicycle according to 2. 4. The device according to claim 1, wherein a rotation stop by a locking structure having a concave-convex relationship is provided on a surface of the holder on which the lamp unit is mounted and a surface corresponding to the outer periphery of the lamp unit.
A lighting device for a bicycle according to the above. 5. A key chain is attached to a rear end of an electric lamp part, and a hook is provided on a holder for detachably locking a ring part of the key chain. The lighting device for a bicycle according to any one of claims 3 and 4.