JPH0992003A - Portable lighting equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a push switch from being damaged or malfunctioning by exposing a pushbutton which operates the push switch to the outside from the lid of a handle, and placing a circumferential wall upright around the pushbutton. SOLUTION: In a portable luminaire, a pushbutton 32 for operating a push switch 29 is projected outwards and provided at the rear end of a lid 28 which is attached to and removed from a battery room in a handle. A circular circumferential wall 33 is formed around the pushbutton 32 in such a way as to extend integrally from the rear end of the lid 28. While the pushbutton 32 is not being depressed, the lid 28 is locked by an integrally provided flange 34, with the top surface 32a of the pushbutton projected from the end 33a of the circumferential wall. When the pushbutton 32 is depressed, the push switch 29 locks the pushbutton 32, and the contact of the push switch 29 is operated to pass current to a lamp. When the pushbutton 32 is depressed again, the current to the lamp is interrupted, and the pushbutton 32 is pushed back toward the rear end of the lid 28. Even if the pushbutton 32 is pressed by an error, the position of the pushbutton does not enter deeper than the end 33a of the circumferential wall.

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 in which a grip having a switch at one end and having a battery built therein and a lighting unit such as a lamp are connected by a flexible joint.

[0002]

2. Description of the Related Art Conventionally, as a portable lighting device, there has been proposed a portable lighting device having a structure in which the position of a lighting unit can be arbitrarily changed with respect to a battery case. For example, the actual exploitation 55-123
In the light described in Japanese Patent Laid-Open No. 101, a flexible resin arm is projected from a battery case, and an illuminating section made of a miniature ball is provided at the tip of the arm. The light can be turned on by operating the off switch. Further, as a conventional device of this type, a device in which a push switch is provided at a lower end portion of a battery case is proposed.

[0003]

However, in the portable lighting device as described above, since the battery case and the lighting unit are oriented independently of each other by bending the flexible arm, the installation direction is constant. However, in the structure in which the push switch is provided at the lower end of the battery case, if the lower end of the battery case is installed downward, the push switch operates and the lamp is lit.

In addition, if the instrument is accidentally dropped, the heaviest part of the instrument will fall downward, and as a result, the switch provided at the lower end of the battery case will move to the ground. There is a risk that the switch, which is a precision part, may be damaged.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a portable lighting device capable of preventing damage and malfunction of the push switch provided at the lower end of the battery case.

[0006]

According to the present invention, in order to solve the above-mentioned problems, an illuminating part including a lamp, a reflector and a lens, and one end of the illuminating part is connected to maintain a desired shape. A flexible joint part configured so that it can be connected to one end of the flexible joint part and the other end of the flexible joint part has a substantially cylindrical grip part having a battery therein, and the other side of the grip part. In a portable lighting device comprising a push switch provided at an end portion and configured to operate when the push button is pressed by a predetermined stroke, a push button for operating the push switch is provided from the other end portion of the grip portion. It is exposed to the outside and is always urged outward, and the peripheral wall is erected from the grip portion around the push button with a predetermined distance from the push button, and the end portion of the peripheral wall is pushed by the push switch. Provided outward from the push button top when the switch is actuated, characterized in that the top surface of the push button is protruded from the peripheral wall edge.

Further, the peripheral wall is annularly provided around the push button.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION A portable lighting apparatus according to an embodiment of the present invention shown in FIGS. 1 to 4 will be described in detail below. 1 is an overall perspective view of a portable lighting apparatus of the present invention, FIG. 2 is a sectional view of an illuminating section, FIG. 3 is an exploded perspective view of the illuminating section, and FIG. 4 is a sectional view of a grip section. In the figure, reference numeral 1 denotes a portable lighting device including a lighting unit 2 for projecting light, a flexible joint unit 3 having flexibility, and a grip unit 4 held by a user's hand during use.

The illumination part 2 has an opening 6 at one end and a recess 5 into which the flexible joint part 3 is inserted at the other end.
A substantially cylindrical case 7 provided with a lamp, a lamp 8 composed of a miniature light bulb provided at the center of the front part of the case 7, and a light of the lamp 8 arranged so as to close the opening 6 of the case 7. A concave reflecting plate 9 for reflecting the light outward, a hemispherical lens 10 provided in front of the reflecting plate 9 for protecting the lamp 8 and the reflecting plate 9, and an annular lens for fixing the lens 10 to the case 7. It is composed of a hood 11.

The case 7 is composed of a first element body 7a and a second element body 7b which are divided into left and right parts, which are assembled with each other and fastened with screws. The lamp 8 is connected to a switch 29 and a dry battery 30, which will be described later, through a contact metal fitting 12 and a flexible lead wire 13 connected to the contact metal fitting 12.

The flexible joint portion 3 includes a resin core material 14 to which a plurality of ball joints are joined,
The tube 15 is made of a soft material such as rubber and is covered with the core material 14 from the outside and formed in a bellows shape. The core material 14 has a concave portion 16 at both end portions, an inner surface of the concave portion 16 is formed into a spherical shape, and a piece 14a having a through hole 17, and is rotatable in the concave portion 16 of the piece 14a. And a ball piece 18 fitted on the both ends of the element piece 14b having a through hole 19.
A plurality of 4a and 14b are connected to each other at their end portions and are formed to be long and continuous in the front-rear direction. Then, in the flexible joint portion 3, the conductor 13 is inserted into the through holes 17 and 19 of the element pieces 14a and 14b, and the recesses 16 and the ball portions 18 of the element pieces 14a and 14b freely rotate. As a result, the user can freely bend and hold a desired shape. A holding portion 20 having a substantially cylindrical shape is provided at both ends of the core material 14.
Is integrally formed, and the adhered portion 15a formed at the end of the tube 15 is closely attached to the side surface of the holding portion 20.

The core member 14 and the holding portion 20 on one end side are inserted into the recess 5 of the case 7, and the tongue piece 21 extended to the holding portion 20 is inserted into the recess 5 of the case 7. It is connected to the case 7 by engaging with a locking boss 22 formed to project from the side surface to the center.

An annular first rib 23 is integrally provided on the inner side of the end of the recess 5 so as to face inward.
The adhered portion 15a is fitted and fixed between the first rib 23 and the holding portion 20 of the core material 14.

Further, inside the first rib 23, a second rib 24 is provided inward of the first rib 23 and arranged in parallel with the first rib 23 at a distance. Then, the second rib 24 connects the adhered portion 15a at the end of the tube 15 to the tip of the second rib 24 and the holding portion 20.
It is fitted between and.

Next, FIG. 4 shows a sectional view of the grip portion. It should be noted that the same components as those of the above-mentioned illuminating section will be described with the same numbers.

In the drawing, the grip portion 4 has a substantially cylindrical case 26 having a recess 5 into which one end of the flexible joint portion 3 is inserted and fixed, and a battery storage chamber 27 formed inside the case 26. A lid 28 that detachably closes the opening of the battery storage chamber 27, and a push switch 29 that is disposed inside the lid 28 and that controls the energization of the lamp 7. The case 26 is composed of a first element body 26a and a second element body 26b which are divided into two parts on the left and right sides, which are assembled with each other and fastened with screws.
Two dry batteries 30 are stored in the battery storage chamber 27, and the dry batteries 30 are connected to the contact fitting 31 and the switch 29.

A push button 32 for operating the push switch 29 is provided at the rear end of the lid 28 so as to project outward.
Around the push button 32, an annular peripheral wall 33 is integrally formed to project from the rear end of the lid 28.

Next, FIGS. 5 to 7 are sectional views of the main part of the lid 28, FIG. 5 shows a state in which the push button 32 is not pressed, and FIG. 6 shows a top surface 32a of the push button 32. FIG. 7 is a view showing a state in which the push button 32 is pressed until it becomes flush with the end 33a of the peripheral wall 33, and FIG. 7 is a view showing a state in which the push button 32 is pushed all the way in and the push switch 29 is operated.

In the figure, the push button 32 is arranged with the top surface 32a exposed to the outside, is provided slidably in the longitudinal direction of the grip portion 4 and is always biased rearward.

When the push button 32 is not pressed, the lid 28 is formed by the integrally provided flange 34.
The push button top surface 32a is configured to project from the peripheral wall end 33a as shown in FIG.

Next, referring to FIG. 7, when the push switch 29 pushes the push button 32 for a predetermined stroke, the push button 32 is locked and the contact of the push switch 29 is operated to energize the lamp 8. Is configured to do. Then, when the push button 32 is pressed again from this state, the lamp 8 is de-energized and the push button 32 is unlocked.
2 is pushed back to the rear end side of the lid 28 as shown in FIG.

Further, the peripheral wall end 33a is provided outside the position of the push button top surface 32a when the push switch 29 is operated.

Thus, as shown in FIG. 6, even if the push button 32 is pushed until the push button top surface 32a becomes the same height as the peripheral wall end 33a, the push switch 29
Is configured to not operate.

In this embodiment, as described above,
Since the push button 32 is arranged so as to project beyond the peripheral wall end portion 33a, the user can search for the position of the push button 32 when the user operates the lamp by the push button 32 protruding from the peripheral wall 33. It is easy and the pressing operation is easy. Further, since the peripheral wall end portion 33a is provided outside the position of the push button top surface 32a when the push switch 29 is operated, the grip portion 4 is erroneously carried when the device is carried or placed. Even if the push button 32 is pressed, the position of the push button 32 does not go deeper than the peripheral wall end 33a, so that it is possible to prevent the push switch 29 from operating to light the lamp.

In addition, even if the user accidentally drops the device, the push switch 2 is pushed by the peripheral wall 33.
Since 9 is protected, it is possible to prevent the push switch from being damaged by an impact.

[0026]

According to the present invention, since the push button is arranged so as to protrude from the end portion of the peripheral wall, the position of the push button can be easily searched and the pressing operation can be facilitated. Furthermore, since the peripheral wall end portion is provided outside the position of the top surface of the push button when the push switch is activated, the push button of the grip portion is accidentally pressed when the device is carried or placed. Also, the position of the push button does not go deeper than the end portion of the peripheral wall, and it is possible to prevent the push switch from malfunctioning and the lamp from lighting.

Further, even if the user accidentally drops the device, the push switch is protected by the peripheral wall, so that the push switch can be prevented from being damaged by an impact.

[Brief description of drawings]

FIG. 1 is an overall perspective view of a portable lighting device of the present invention.

FIG. 2 is a sectional view of a lighting unit.

FIG. 3 is an exploded perspective view of a lighting unit.

FIG. 4 is a sectional view of a grip portion.

FIG. 5 is a partial cross-sectional view showing a state where the push button is not pressed.

FIG. 6 is a partial cross-sectional view showing a state where the push button is pressed to the same height as the peripheral wall.

FIG. 7 is a cross-sectional view showing a state where a push button is pressed.

[Explanation of symbols]

 2 Lighting part 4 Grip part 3 Flexible joint part 32 Push button 33 Push switch

Claims (2)

[Claims] 1. A lighting unit including a lamp, a reflection plate, and a lens, a flexible joint unit having one end connected to the lighting unit and capable of holding a desired shape, and the flexible joint. One end is connected to the other end of the part, and a substantially cylindrical grip part with a battery inside is provided, and it is provided on the other end part of the grip part and operates when the push button is pressed for a predetermined stroke. In a portable lighting device configured with a push switch configured to, a push button for operating the push switch is exposed outward from the other end of the grip portion, and is always urged outward.
A peripheral wall is provided around the push button with a predetermined distance from the push button, the peripheral wall is erected from the grip portion, and the peripheral wall end is provided outside the top surface of the push button when the push switch is operated. A portable lighting device, wherein a top surface of a push button is projected from an end portion of the peripheral wall. 2. The portable lighting device according to claim 1, wherein the peripheral wall is provided in an annular shape around the push button.