JP2004189127A - Illumination device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent the drain of a battery when an illumination device is detached from an attachment part to be carried along, which is lighted upon detection of brightness and vibration using a battery as a power source. <P>SOLUTION: The illumination device consists of a luminaire 1 and the attachment part 2. The luminaire 1 is brought into conduction with a lighting circuit by being attached to the attachment part 2, and brought out of conduction by being detached therefrom. Owing to this function, the drain of the battery can be prevented when the luminaire 1 is detached to be carried along. The attachment part 2 is provided with the function of stopping the rotation of the engagement part of the luminaire 1, thereby preventing loosing and falling of the engagement part due to moving vibration or an impact upon an overturn. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a lighting device using a battery as a power source and used at night, particularly a headlight of a bicycle or the like.
[0002]
[Prior art]
Lighting devices that use a battery as a power source and include a lighting device main body and a mounting portion of the lighting device main body, for example, a headlight for a bicycle, are roughly classified into two types: a type mounted on the front wheel side and a type mounted on the steering wheel. Can be 2. Description of the Related Art Conventionally, as a type mounted beside a front wheel, there is a type which is turned on when used and a type which is automatically turned on by a function of a vibration sensor and an optical sensor when traveling in darkness. (For example, refer to Patent Document 1.) However, the only type that can be attached to the handle is the one that is turned on when used.
[0003]
In addition, the headlights of bicycles, etc., take into account severe vibration during running and strong impact when falling, and the fitting part between the power supply part and the lighting part is often made firmly. In many cases, it was troublesome to use tools.
[0004]
[Patent Document 1]
JP-A-7-11749
[Problems to be solved by the invention]
The type of headlights that can be mounted on the steering wheel requires only a screwdriver at best, so that the purchaser can easily install it, and some of them do not require tools. However, due to the structure that is easy to attach, but easy to remove, consideration must be given to theft. As a countermeasure, the mounting part to be attached to the handle and the lighting fixture body are structured to be detachable with one touch, and when leaving the bicycle, the lighting fixture body is carried around in a bag etc. The method is adopted. In this case, even if an automatic lighting function is added to the handle mounting type, there is a problem that the battery is consumed by detecting the darkness and vibration while carrying the camera in a bag or the like and carrying it.
[0006]
In addition, the headlights of bicycles, etc., take into account severe vibration during running and strong impact when falling, and the fitting part between the power supply part and the lighting part is often made firmly. There are problems such as the use of tools, which are troublesome, and the problem that the battery cover or the like is detached and lost due to impact.
[0007]
Furthermore, it is ideal for the headlight to illuminate the center area in front of it.However, in the case of a handlebar-mounted headlight, the headlight mounting part is located away from the center of the handle depending on the shape of the handle. There is also a problem that only the light source can be installed, and only an area slightly shifted left and right from the front center can be illuminated.
[0008]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the present invention provides a lighting device including a lighting device body in which a power supply unit and a lighting unit are integrated, and a mounting portion for the lighting device body, wherein the lighting device body detects brightness and vibration. The lighting device is provided with an interlocking switch, which comprises a lighting device body which is automatically turned on at night or when vibration is applied in the dark or when the lighting device body is removed from the mounting portion. Further, the lighting device main body is configured by fitting and integrating the power supply unit and the lighting unit by circumferential rotation, and the mounting portion has a loosening prevention structure for suppressing rotation of the lighting device main body. The mounting part is a fastening part to be attached to a component part of an object to be mounted, a fixing part for fixing the lighting fixture main body, a button operated when attaching and detaching the lighting fixture main body, and engaging the fastening part with the fixing part. And a fastening part for fastening the fastening part to the object to be mounted, and a projection penetrating through the button and the fastening part is protruding from the fixing part, and the fixing part is pivoted around the projection. And the button have a structure in which the button rotates relatively to the fastening portion.
[0009]
The present invention improves the problem that when the lighting device body is detached from the bicycle and carried around, the battery is depleted and the battery cannot be used when the user wants to use the lighting device body. Since it has the function of stopping rotation of the part, the loosening of the fitting part due to vibration during running, impact when falling down, etc. is prevented. In addition, even if it is attached to a place away from the center due to the shape of the handle, the front center can be illuminated. That is, it is possible to provide a high-quality lighting device in terms of function and safety.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1, 2, 3, and 5. FIG.
[0011]
As shown in FIG. 1, the lighting device is roughly composed of three blocks: a power supply unit for storing a battery, a lighting unit for storing a control board and a bead ball, and a mounting unit for mounting to a bicycle.
[0012]
A conduction spring 4 for relaying a battery is provided in a battery case 3 of a lighting device main body 1 composed of a power supply unit and a lighting unit. A contact-type switch 7 and a control board 8 connected to the board 6; pins 9 which can be swiveled up and down below the switch 7; and a light source such as a bead ball for protecting the board in front of the control board 8. Further, a substrate cover 11 having a function of holding a reflecting mirror 10 and the like that reflects light forward is provided, and a lens 12 is located in front of the substrate cover 11. The body case 5 and the battery case 3 are connected by bayonet or screw fitting. The fixing portion 2 shown in FIG. 4 includes a fixing portion 13 fitted along a convex rail provided at a lower portion of the battery case 3 and the main body case 5 of the lighting device main body 1, and a fastening for winding around the handle of the bicycle. FIG. 4 shows a state in which the fixing part 13 and the fastening part 14 are connected to each other, and a screw 16 for fastening to the handle, a nut 17 press-fitted and fixed to the fixing part 13, and the lighting fixture body 1 are set in the mounting part 2. 5 includes buttons 18 each having a hook 20 shown in FIG.
[0013]
The operation of the above configuration will be described. The mounting portion 2 is fixed by removing the screw 16 of the mounting portion 2 and tightening the screw 16 in a state of being wound around the handle of the bicycle. When the fixing part 13 is turned to the left or right when tightening the screw 16, the fixing part 13 and the button 18 rotate about the projection 15 of the fixing part 13 as an axis, and the irradiation direction can be adjusted. Is fixed. The body case 5 and the battery case 3 of the lighting fixture body 1 are fitted with bayonet. When the battery case 3 is turned while the body case 5 is fixed, the battery case 3 is removed and the battery can be replaced. When the lighting device main body 1 is stabbed into the mounting portion 2 mounted on the handle of the bicycle, the hook portion 20 of the button 18 of the mounting portion 2 shown in FIG. It fits into the depression 19 and is fixed. Further, the pin 9 in the main body case 5 moves upward by the upper surface of the mounting portion 2, the switch 7 is short-circuited, and the lighting fixture main body 1 is brought into a conductive state. In this state, when the vehicle runs at night or in the dark, the light source is turned on by the function of the vibration sensor and the optical sensor on the control board 6. Although it is conceivable that the lighting fixture main body 1 is subjected to severe vibration during traveling, the mounting part 2 is fitted to the convex rails of the battery case 3 and the main body case 5 so as to straddle both parts. By acting as a rotation stop, loosening of the fitting can be prevented.
[0014]
When leaving the bicycle, the button 18 of the mounting portion 2 is pushed forward to release the hooking portion 21 to the inside, and the lighting device main body 1 is pulled out from the mounting portion 2 and removed from the mounting portion 2 while releasing from the hook of the depression 19. At this time, the pin 9 in the main body case 5 is opened, the switch 7 is lowered, and the switch 7 is opened, so that the lighting operation is not performed even when vibration or darkness is detected.
[0015]
As described above, according to the bicycle headlamp of the embodiment of the present invention, the switch structure interlocked with the attachment / detachment of the lighting device main body 1 to / from the mounting portion 2, the attachment / detachment of the battery case 3 by the bayonet fitting method, the lighting device main body 1 When the is set in the mounting part 2, the mounting part 2 has a structure that straddles both parts of the battery case 3 and the main body case 5, so that it is easy to use and quality can be improved in terms of function and safety.
[0016]
【The invention's effect】
As is clear from the above description, the present invention improves the problem that the battery is consumed by being arbitrarily turned on when the user removes and carries the battery from the mounting part, and the battery cannot be used when he / she wants to use it. It has a function of stopping rotation of the fitting part of the lighting fixture body, preventing loosening and falling off of the fitting part due to vibration during traveling and shock when falling, etc. In addition, it is mounted at a place away from the center by the shape of the handle Even so, it is possible to provide a high-quality lighting device that can illuminate the front center and that is high in function and safety.
[Brief description of the drawings]
FIG. 1 is a side view showing a lighting device according to the present invention. FIG. 2 is a cross-sectional view of a main part of a lighting device main body according to an embodiment of the present invention. FIG. 3 is a bottom view of a lighting device main body according to an embodiment of the present invention. FIG. 4 is a sectional view of a main part of a mounting portion of the present invention. FIG. 5 is a top view of a mounting portion of the embodiment of the present invention.
DESCRIPTION OF SYMBOLS 1 Illumination device main body 2 Mounting part 3 Battery case 4 Conductive spring 5 Main body case 6 Conductive plate 7 Switch 8 Control board 9 Pin 10 Reflector 11 Board cover 12 Lens 13 Fixing part 14 Tightening part 15 Projection 16 Screw 17 Nut 18 Button 19 Depression 20 Hanging part

Claims (4)

A lighting device comprising a battery as a power source, a lighting device body in which a power supply unit and a lighting unit are integrated, and a mounting portion of the lighting device body, wherein the lighting device body includes a sensor for detecting brightness and vibration. A lighting device comprising a lighting device body that is automatically turned on at night or in the dark and when vibration is applied thereto, and a circuit is forcibly opened when the lighting device body is removed from a mounting portion. A lighting device comprising a battery as a power source, a lighting device body in which a power supply unit and a lighting unit are integrated, and a mounting portion for the lighting device body, wherein the lighting device body surrounds the power source unit and the lighting unit. The lighting device is configured by fitting and integrating by rotation in a direction, and the mounting portion has a loosening prevention structure for suppressing rotation of the lighting device main body. A lighting device comprising: a battery as a power source; a lighting device main body in which a power supply unit and a lighting unit are integrated; Attaching part, a fixing part for fixing the lighting fixture main body, a button operated when attaching and detaching the lighting fixture main body, engaging the fastening part with the fixing part, and tightening the fastening part to the mounting object. A protrusion penetrating the button and the tightening portion is protruding from the fixing portion, and the fixing portion and the button rotate relative to the tightening portion around the protrusion. 3. The lighting device according to claim 1, wherein the lighting device has a structure. 4. The lighting device according to claim 1, wherein the lighting device is a headlight of a bicycle or a motorcycle.

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