JPH0864003A - Portable lighting - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a portable illuminator that can withstand continuous use over a wide area for a long time when both hands work is required, lightens the burden on the operator for carrying, and is easy to handle. [Structure] A pair of cylindrical storage batteries 1C, 1D arranged in a V shape on both left and right sides, and a storage battery storage part 1C, 1D arranged in a V shape side by side with the storage battery storage part. The storage unit 1F, 1G of the pair of pull-out type illumination body supporting rods 3A, 3B is integrated to form a backpack unit 1 with a shoulder belt. The illuminators 2A and 2B are supported by rods 3A and 3B so that they can be pulled out in a V-shape from the shoulder portion of the backpack unit 1 upward.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable lighting device suitable for various works such as inspection work at night and emergency night work at the time of disaster.

[0002]

2. Description of the Related Art A general portable lighting device is widely used, such as being used by holding it in a hand like a flashlight or by fixing it to a part of a human body (for example, a head). are doing. An example of this type of illuminator is described in Japanese Utility Model Laid-Open No. 4-135395. However, these luminaires have a small battery due to weight restrictions, and are generally used for lighting in a small area such as a hand. When two-handed work such as emergency night work is required, it cannot withstand continuous use over a wide area for a long time.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and an object of the present invention is to endure continuous use over a wide area for a long time when both hands work is required, and a burden on an operator for carrying. The purpose of the present invention is to provide a portable lighting device that is light and easy to handle.

[0004]

In order to achieve the above object, the present invention is basically constructed as follows.

(1) An illumination body and its storage battery are integrated into a unit to form a backpack unit that can be carried on the back, and the illumination body is a pull-out type illumination body support rod housed in the backpack unit. Is supported so that it can be pulled out upward from the shoulder portion of the backpack unit. In this case, the illuminating body may be either single or plural.

Further, on the premise of the above configuration, a proposal including the following items is proposed.

(2) The illumination body supporting rods are a pair,
It is arranged so that it can be pulled out in a V shape.

(3) A pair of V-shaped storage batteries arranged on both left and right sides, and a V-shaped storage device that is sandwiched between the storage battery storage devices and arranged in a V-shape. A pair of drawer type storage rods for supporting the illumination body is integrated to form a backpack unit with a shoulder belt, and the pair of illumination body support rods are hollow, and the illumination body attached to the upper end of the rod is inside the rod. The lighting body is electrically connected to the storage battery through a wiring that passes through, and the lighting body is moved upward from the shoulder portion of the backpack unit by the lighting body supporting rod.
It is supported so that it can be pulled out in a V shape.

(4) The left and right sides of the upper part of the backpack unit project so that when the lighting unit is retracted, the lighting unit fits between the left and right side projections of the backpack unit without protruding from the projecting unit. It will be done.

(5) The back-carrying unit is provided with a transparent opening at the center of the backrest.

(6) The illuminator is attached to the upper end of the illuminator support rod so that the vertical tilt angle can be freely changed.

(7) The backpack unit is thin, and a unit supporting stick for preventing the backpack unit from falling over when the backpack unit is vertically installed is equipped in a part of the backpack unit.

[0013]

According to the configuration of (1), since the illuminator is of the backpack type, even if the storage battery built in the backpack unit has a relatively large capacity, the weight burden on the operator is reduced. In addition, since both hands can be used and a storage battery having a large capacity can be used, it is possible to perform a work involving a wide range of illumination for a long time.

Further, since the illuminator can be used by pulling it upward from the shoulder portion of the backpack unit, it is possible to prevent the shoulder and head of the operator from obstructing the illumination, and
When the luminaire is not in use, the rod for supporting the illuminating body can be pushed back into the back of the unit and stored, and the illuminating body can also be retracted, so you can transport and store portable lighting in a compact shape. It is possible to improve the usability.

According to the configuration of (2), since the pair of illuminators are pulled out from the shoulder portion of the backpack unit in a shape that spreads upward in a V shape, the portable illuminator can be compactly assembled, but it can be used. In some cases, the distance between the illuminating bodies can be significantly widened as compared with the parallel drawing method, the illuminating field of view can be widened, and an illuminating area without shadow can be obtained.

According to the structure of (3), since the storage batteries for illumination are arranged in a V shape and are arranged side by side in a V shape together with the rod for supporting the illumination body, the width of the storage unit becomes narrower as it goes downward. In addition to the effect of (2), the back light unit can be made compact and light in weight, and the backpack unit can be attached to the back of the worker. The user's arm does not hit the back of the unit without coming out from both sides, improving usability. In addition, the storage battery has a long tubular shape and is arranged in a V shape.
By moving the battery up to the shoulder, the weight of the battery can be ergonomically applied to the shoulder that is most comfortably received in the body, so that the burden on the operator is lightened even if the backpack unit is carried for a long time. That is, the illumination field is widened, and the entire illuminator is made compact, lightweight, and convenient to handle.

According to the configuration of (4), when the illuminating body is retracted when the illuminating tool is not used, the illuminating body is protected by the protrusions on the left and right sides of the carrying unit, so that the illuminating body can be used for transportation. You can prevent accidental damage without hitting.

According to the configuration of (5), the weight of the backpack unit is further promoted, and the backrest is opened, so that heat transfer to the human body due to heat generation of the storage battery can be suppressed.
Guarantee the comfort of work.

According to the configuration (6), the illumination angle can be set as desired by the operator.

According to the configuration of (7), when the backpack unit is detached from the operator's body and used vertically, the stick for supporting the unit supports the unit if the stick for supporting the unit is taken out. Even if it is, it can be prevented from falling down and the usage of the illuminator can be widened.

[0021]

Embodiments of the present invention will be described with reference to the drawings.

1 to 12 show a portable lighting device according to an embodiment of the present invention, FIG. 1 is a front view thereof, FIG. 2 is a rear view thereof, FIG. 3A is a left side view thereof, and FIG. Right side view, FIG. 4A is a plan view, FIG. 4B is a bottom view, FIGS. 5 to 8 are front views, rear views, left side views, right side views, plan views,
FIG. 9 is a bottom view, FIG. 9 is an open view of the usage state of this embodiment seen from the back side, FIGS. 10 and 11 are partial cross-sectional views showing the structure of the illumination body of this embodiment, and FIG. FIG.

In these figures, the backpack unit 1
Is a thin plastic molded body in which a first cover (which is an upper cover) 1A and a second cover (which is a lower cover) 1B which are divided in half as shown in FIGS. Broadly speaking, a pair of storage battery storage units 1C and 1D arranged in a V shape on the left and right sides (see FIGS. 1 and 2) and a storage battery storage unit sandwiched between the storage battery storage units 1C and 1D. A pair of pull-out type illumination body supporting rods 3A and 3B arranged side by side in a V shape are integrally formed with the storage portions 1F and 1G (see FIG. 9). Storage battery storage section 1C, 1
The storage batteries 8A and 8B housed in D have a long tubular shape in consideration of the V-shaped arrangement. Each of the storage batteries 8A and 8B is formed by connecting a plurality of storage batteries in series to form a tubular shape. For example, five storage batteries each having 1.2 V are connected in series.

Further, the backpack unit 1 is provided with an inverted triangular opening 1E so that the central portion of the backrest is transparent, and is provided with a pair of shoulder belts 4A, 4B.

One end of each of the shoulder belts 4A and 4B is fastened to a stopper 7 provided in the center of the upper portion 1J of the back carrying unit 1, and the other ends thereof are belt passing metal fittings 9A provided on the lower left and right sides of the back carrying unit 1, respectively. A belt is hung from the shoulder to the waist of the operator through 9B so that the backpack unit 1 can be carried on the back in a stable state. In addition, one-touch attachment / detachment can be performed by the waist contact belt stopper 6.

The carrying unit 1 is ergonomically designed so that it fits a worker and is easy to carry (work is easy).

That is, the backpack unit 1 has a generally inverted triangular shape so that most of the backpack unit 1 is in order to prevent the movement of the operator's arm from being restrained (to prevent the arm from hitting the backpack unit 1). Left and right sides (reference 1K,
The portion indicated by 1L does not stick out to both sides of the operator's back, and therefore the storage battery accommodating portions 1C and 1D and the rod accommodating portions 1F and 1G are also arranged in a V shape (the rod accommodating portion 1F). , 1G is arranged in V shape,
In addition, lighting bodies 2A, 2 provided on the upper ends of the rods 3A, 3B
It is intended to expand the illumination field when B is pulled out, as will be described later).

Further, as shown in FIG. 4, the storage battery storage unit 1
C and 1D are rounded and protrude slightly to the front side, and the back of the worker fits into the recess (back portion) 1K between the storage battery accommodating parts 1C and 1D. A waist cushion 30 is provided at the bottom.

Further, the left and right sides 1H and 1I of the lower portion of the backpack unit 1 are projected to the left and right sides, and the backpack unit 1 is formed in a V shape to have a width so as to compensate for the narrowed portion.
When carrying the carrying unit 1 on the back, this overhanging portion 1H,
1I is projected to the side of the waist of the worker, and the switch 10 of the illumination bodies 2A and 2B is provided on the front side of the projecting portion 1H so that the worker can easily operate the switch.

In this embodiment, the switch 10 comprises a main switch 10A and a sub switch 10B, and the main switch 10
By the operation of A, either one of the illumination bodies 2A and 2B is always turned on. For example, the main switch 10A is turned on and off to turn on and off the illumination body 2B, and the sub switch 10B is turned on and off to turn on and off the other side 2A of the illumination body. Therefore, one of the illuminators 2A and 2B
It is possible to choose between two or two lights.

Reference numeral 11 is a handle for carrying the backpack unit 1 without carrying it on the back, and is provided on the upper portion 1J of the backpack unit 1.

Reference numeral 12 is a charging connector, which is provided on one lower extension 1I of the backpack unit 1.

Reference numeral 13 is a V-shaped reflection band, which is attached to the surface of the upper cover 1A of the backpack unit 1 to clarify the presence of the worker by light reflection and to ensure the safety of night work.

As shown in FIG. 9, the pair of illumination body supporting rods (hereinafter, simply referred to as rods) 3A and 3B are hollow, and the illumination bodies 2A and 2B attached to the upper ends thereof are provided with the wiring 10 passing through the inside of the rods. It is electrically connected to the corresponding storage batteries 8A and 8B via the. The rod storage portions 1F and 1G are provided with a guide portion 11 that guides pulling out and pushing back (pulling in) of the rod at least at a part thereof (upper part here).

The guide portion 11 is formed by disposing a plurality of guide fittings (two in the embodiment) having a leaf spring force in pressure contact with the outer circumferences of the rods 3A and 3B in the rod withdrawing direction. The rod 3 by the holding power of
A and 3B are in sliding contact with the guide fitting 11, and the rod 1
It is possible to stop 0A and 10B at any position where they are pulled out. The illuminators 2A and 2B are configured so that the rods 3A and 3B arranged in a V shape can be pulled out upward from the shoulder portion of the backpack unit 1 into a V shape, and the position at the time of the most pulling out can work the backpack unit 1. It is set to be higher than the position of the worker's head when the worker carries it on his back.

Both sides of the upper portion of the backpack unit 1 project (the projecting portions are indicated by reference numerals 1C 'and 1D'), and when the lighting bodies 2A and 2B are retracted, the lighting bodies 2A and 2B project.
It is designed to fit between C'and 1D 'without protruding from the protrusion.

In this way, the backpack unit 1 in which the lighting bodies 2A and 2B and the storage batteries 8A and 8B thereof are integrated into one unit is constructed.

Here, the illumination bodies 2A and 2B are shown in FIG.
0 will be described with reference to FIG. FIG. 10 shows the illumination bodies 2A and 2B.
Fig. 11 is a front view showing a partial cross section of Fig. 11, and Fig. 11 is a side cross sectional view thereof.

The illuminators 2A and 2B each include a light-emitting body (for example, a halogen lamp) 21 and a reflecting mirror 22 housed inside the illuminating case 20, and the connecting fitting 2 is attached to the lower end of the case 20.
3 is fixed via bolts and nuts 25, and the connecting fitting 23 and the connecting fitting 24 provided on the upper ends of the rods 3A and 3B.
Are connected via bolts and nuts 26, and
A and 2B are connected to the rods 3A and 3B so that the tilt angle in the vertical direction is freely adjustable.

The illuminators 2A and 2B are electrically connected to the corresponding storage batteries 8A and 8B through the wiring 27, the wiring 27 passing through the rods 3A and 3B, and the connecting fitting 2
3 is introduced into the case 20 through a hole 28 provided in the case 3 and a hole 29 provided in the case 20.

The illuminating bodies 2A and 2B and the rod 3A,
3B is connected to the illuminating body 2A, 2
It is covered to allow the tilt angle adjusting operation of B.

The reference numeral 31 designates a stick for supporting the backpack unit, which is equipped in a part of the unit 1 (for example, outside the storage battery storage section 1D on the side of the cover 1B) so as to be freely taken in and out. Occasionally, when the illuminator is used by vertically inserting the backpack unit 1 into the groove 32 provided in the cover 1B without carrying it on the back, the backpack unit 1 comes out of the groove 32 to prevent the backpack unit 1 from falling down.

1 to 4 and 5 to 8 in this embodiment, the front view, the rear view, the left and right side views, the plan view,
The bottom view is about 1/4 of the actual scale.
2 and 5 and 6, the height of the backpack unit 1 is 490 mm when the illumination bodies 2A and 2B are retracted (the height when pulled out is 800 mm), the upper width is 420 mm, and the lower width is 33.
0 mm, R part is R10-20 mm. Also, in FIG.
In FIG. 6, the upper depth of the side surface is 80 mm and the lower depth is 6
0 mm, R part is R10-20 mm. Opening 1E
Has a height of 235 mm and a width of 65 mm.
It is composed of R20 mm. 4 and 8, front side R
The part is R20 mm, and the back side R part is R40 mm.

Next, a handling example and effects of the portable lighting device of this embodiment will be described.

(B) When not in use, as shown in FIGS. 1 to 4, the rods 3A and 3B are pushed back to bring the illumination bodies 2A and 2B into a retracted state. By doing so, the illuminator can be transported and stored in a compact shape, and the illuminating bodies 2A and 2B can be carried by the upper end projecting portion 1C ′ of the carrying unit 1.
Since it is retracted from 1D ', the illumination bodies 2A, 2B
Can be protected from the outside without hitting anything during transportation etc. to prevent accidental damage. With respect to the wiring 27, the hollow rods 3A and 3B are passed, so that the wiring space can be rationalized.

(B) In use ... When carrying the work with illumination while carrying the backpack unit 1 on the back, one or both of the illumination bodies 2A and 2B are pulled out, and the illumination body is turned on by operating the switch 10. For example, when only one illuminating body is needed, if the dominant arm of the worker is right, the illuminating body 2B on the opposite side (left side) to the dominant arm is pulled out, and the main switch 1
0A is put in and the illuminating body 2B is turned on. In this way, when one of the illuminating bodies 2B is pulled out and lit to perform the work, the illuminating body 2A that is not lit on the dominant arm side can be kept in a retracted state, so that the worker raises the dominant arm. However, the illumination body 2A and the rod 3A thereof are not constrained (hit) to improve the usability.

Next, when two illuminators are required, both illuminators 2A and 2B are pulled out and both main switches 10A and 10B are turned on as shown in FIGS. 5, 6 and 9. Both the illumination bodies 2A and 2B are turned on.

In this case, if the illumination bodies 2A and 2B are pulled out in a V shape through the rods 3A and 3B,
The distance between A and 2B is widened, so that even if the backpack unit 1 has a compact shape, a wide illumination field of view can be obtained, and the effect of making it difficult for an object to be shaded by illumination can be obtained. The pull-out position of the illumination bodies 2A and 2B is the rod 3
It can be adjusted arbitrarily depending on the degree of withdrawal of A and 3B.
Can be adapted to the work place.

Further, since the illuminator is a backpack type, the operator can work with both hands, and even if the storage battery or the like is used for a long time and is relatively large in order to increase the illumination intensity, it is heavy because it is a backpack. The burden can be lightened. In particular, when the storage batteries 8A and 8B are long tubular and arranged in a V shape, the weight of the storage batteries can be placed on the shoulder most comfortably received in the body, so that the storage battery can be used for a long time. ， The burden on the operator is lightened even if the carrying unit is carried on the back. In addition, in the present embodiment, the backpack unit 1 itself has an inverted triangle ergonomically compact and thin shape, so that the work is easy to perform, and a transparent inverted triangular opening 1E is provided in the center. Therefore, it is possible to improve the weight reduction and further reduce the burden on the back of the worker.

The opening 1 provided in the backpack unit 1
E also intends to suppress heat transfer to the human body due to heat generation of the storage batteries 8A and 8B, thereby improving work comfort.

Further, according to the present embodiment, the illuminating body 2A,
The work can be performed with the vertical angle of 2B as desired by the operator.

(C) When the backpack unit 1 is removed from the back and the work associated with lighting is performed, the stick 31 is taken out and used as shown in FIGS. As a result, even if the backpack unit 1 is thin, it is possible to stably perform the work in a vertical position without falling down, and it is possible to widen the variation of use accompanying the work.

In the above embodiment, when the rods 3A, 3B for supporting the illuminating body are pulled out, the rods 3A, 3B are taken in and out through the guide 11. However, the telescopic rods 3A, 3B are used. A multi-stage (two-stage or more) telescopic type may be used.

The irradiation angles of the illuminating bodies 2A and 2B and the rods 3A and 3B can be moved in and out by operating an electric or mechanical actuator or the like. If it is, the usability can be further improved.

[0055]

As described above, according to the present invention, when performing a work involving illumination, it is possible to extend the operation over a wide range when two-handed work is required as compared with the conventional portable lighting device because of the reason described in the section of the operation of the present invention. It is possible to provide a portable lighting device that can withstand continuous use for a long time, reduces the burden on the operator for carrying it, and is convenient to handle.

[Brief description of drawings]

FIG. 1 is a front view according to a first embodiment of the present invention.

FIG. 2 is a rear view of the above embodiment.

FIG. 3A is a left side view of the above embodiment, and FIG. 3B is a right side view thereof.

4A is a plan view of the above embodiment, and FIG. 4B is a bottom view thereof.

FIG. 5 is a front view showing a usage example of the above embodiment.

FIG. 6 is a rear view showing an example of use of the above embodiment.

FIG. 7A is a left side view showing an example of use of the above embodiment,
(B) is a right side view thereof.

FIG. 8A is a plan view showing an example of use of the above embodiment,
(B) is a bottom view thereof.

FIG. 9 is an opening view showing the usage state of the above embodiment as seen from the back side.

FIG. 10 is a partial cross-sectional view of a specific structure of the illuminating body according to the above-described embodiment as seen from the front side.

FIG. 11 is a cross-sectional view of a specific structure of the illuminating body according to the above-described embodiment as seen from a side surface side.

FIG. 12 is a partially omitted cross-sectional view taken from the center of the above embodiment.

[Explanation of symbols]

1 ... Carrying unit, 1C, 1D ... Battery storage, 1C
′, 1D ′ ... Unit protrusion, 1E ... Opening, 1F, 1
G ... Rod storage part, 2A, 2B ... Illumination body, 3A, 3B ...
Illuminator support rod, 4A, 4B ... Shoulder belt,
8A, 8B ... Storage battery, 31 ... Stick for unit support.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Sekigen 2477 Kashima Yatsu, Katsuta-shi, Ibaraki Pref. 3 Hitachi Hitachi Engineering Co., Ltd. 2477 3 Hitachi Automotive Engineering Co., Ltd. (72) Inventor Seiichi Tamura 1-642 Shibaura, Minato-ku, Tokyo Within Western Corporation Co., Ltd. (72) Inventor Yoichi Iwasaki 1-642 Shibaura, Minato-ku, Tokyo Within Western Corporation

Claims (7)

[Claims] 1. A backpack unit that can be carried on the back by combining the lighting body and its storage battery into one unit,
The portable lighting device is characterized in that the illuminator is supported by a pull-out type illuminator support rod housed in the backpack unit so as to be pulled out upward from a shoulder portion of the backpack unit. 2. The portable lighting device according to claim 1, wherein the lighting body supporting rod and the lighting body are arranged in a pair so as to be drawn out in a V shape. 3. A pair of tubular storage battery storage parts arranged in a V shape on the left and right sides, and a V-shaped drawer arranged side by side with the storage battery storage part so as to be sandwiched between the storage battery storage parts. A pair of illuminating body supporting rod storage units are integrated to form a backpack unit with a shoulder belt. Electrically connected to the storage battery via the wiring, and the lighting body is supported by the lighting body supporting rod so as to be pulled out in a V-shape upward from a shoulder portion of the backpack unit. Portable lighting fixtures. 4. The back carrying unit is configured so that both left and right sides of an upper part project, and when the lighting body is retracted, the lighting body is set between the projecting parts on the left and right sides of the back carrying unit without protruding from the projecting portion. The portable lighting device according to any one of claims 1 to 3, wherein the portable lighting device comprises: 5. The portable lighting device according to any one of claims 1 to 4, wherein the backpack unit is provided with a transparent opening at a central portion serving as a backrest. 6. The illuminating body is attached to an upper end of the illuminating body supporting rod so that an inclination angle in a vertical direction can be freely changed. The portable lighting device according to the item. 7. The backpack unit is thin, and a unit supporting stick that prevents the backpack unit from falling over when the backpack unit is placed vertically is partly installed in the backpack unit. 7. The portable lighting device according to claim 6.