JPH0992002A - Portable lighting equipment - Google Patents

Abstract

(57) Abstract: A portable lighting device in which a handgrip part containing a battery and an illuminating part such as a lamp are connected by a flexible joint part so that the irradiation direction can be arbitrarily changed. An object of the present invention is to provide a portable lighting device which can securely fix a tube covered with an arm. SOLUTION: A recess is formed inside the ends of a grip part and an illumination part, and a first rib is formed so as to project inward at the end of the recess, and a first rib is formed inwardly of the first rib. A second rib is formed so as to be juxtaposed with the first rib at a distance from the first rib, and the end portion of the tube is clamped between the first and second ribs and the core material of the flexible arm. Let

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 part containing a battery and an illuminating part such as a lamp are connected by a flexible joint part so that the irradiation direction can be arbitrarily changed.

[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 Publication No. 101, a resin flexible arm is projected from a battery case, and a lighting portion made of a miniature ball is provided at the tip of the arm, and the flexible arm is bent to be independent from each other. A universal light is described that is adapted to be directed. Further, as a conventional device of this type, a device using a metal flexible pipe as a flexible arm or a device in which a rubber tube is covered on the outer side of the flexible arm so as not to expose the flexible arm is proposed. Has been done.

[0003]

However, in the case of the structure in which the tube is covered on the outer side of the flexible arm as described above, the tube is fixed by inserting the flexible arm into the recesses of the grip portion and the illumination portion. However, if the tube is loosely attached to the grip and the lighting unit, the tube may slip out of the grip and the lighting unit when the flexible arm is bent during use. was there. On the other hand, when the grip portion and the lighting portion are firmly crimped to the tube so that the tube does not come off, the tube is wrinkled by being strongly compressed at the crimping portion, or in the worst case, a crack is generated. Had a problem.

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 which can securely fix a tube covered by a flexible arm.

[0005]

In order to solve the above-mentioned problems, the present invention has a substantially cylindrical grip portion containing a battery,
A lighting unit including a lamp, a reflector, and a lens, and the lighting unit is disposed between the grip unit and the lighting unit, and one end and the other end are connected to the ends of the grip unit and the lighting unit to obtain a desired shape. In a portable lighting device comprising a flexible joint part configured to hold a flexible joint part, the flexible joint part is inserted through the inside of the joint part, and has flexibility for electrically connecting the battery and the lamp. It is composed of a conductor, a flexible core material, and a tube made of a soft material adhered to the core material, and the grip portion and the illuminating portion are divided into left and right first and second bodies. Configure and
A recess is formed inside the ends of the pair of element bodies, and a first rib is formed so as to project toward the inside with the end of the recess facing inward from the first rib and at a distance from the first rib. And a second rib juxtaposed with the first rib is formed so as to project, and an end portion of the core member is engaged with the pair of element bodies by concavo-convex fitting, and an end portion of the tube is attached to the pair of element bodies. The first and second of each of the body of
It is characterized in that it is sandwiched between the rib and the core material.

According to a second aspect of the present invention, there is provided a portable lighting apparatus according to the first aspect, wherein a groove is provided between the first rib and the second rib.

According to a third aspect of the present invention, there is provided the portable light fixture according to the first aspect, wherein the upper end portion of the second rib projects from the upper end portion of the first rib toward the center of the recess. It is characterized by

According to a fourth aspect of the present invention, there is provided the portable luminaire according to the first aspect, wherein the second rib is provided on a part of the inner wall of the recess.

According to a fifth aspect of the present invention, there is provided a portable lighting apparatus according to the first aspect, wherein the second portion of the core member is used.
A through hole with which the tube is engaged is formed at a position where the ribs face each other.

According to a sixth aspect of the present invention, there is provided a portable luminaire according to the first aspect, wherein the core member has a plurality of hollow element pieces rotatably fitted at both ends thereof. The fitting portion is made flexible.

According to a seventh aspect of the present invention, there is provided a portable lighting apparatus according to the sixth aspect, wherein a flexible conductor is inserted in the hollow portion of the core member.

[0012]

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 section 2 has an opening 6 at one end and a recess 5 into which the flexible joint section 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-made 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.

Inside the recess 5 of the case 7, the tongue piece 21 is inserted into the recess 5 of the case 7 with the core member 14 and the holding part 20 on one end side being inserted into the recess 5. 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 toward the inside 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 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 fittings 31 and the switch 29.

In this embodiment, as described above, the adhered portion 15a of the tube 15 is fitted by the first rib 23 and the second rib 24 formed in the recess 5 of the cases 7 and 26 and the holding portion 20. It was configured to do. Accordingly, when the first pieces 7a and 26b and the second pieces 7b and 26b of the cases 7 and 26 are fastened to each other with screws, the tube 15 is provided with the first rib 2 provided at the end of the recess 5.
3 and the second rib 24 provided inside thereof are fixed at two places, and even if the fitting force of one rib is weakened, the fixing of the tube 15 is maintained by the other rib. Since it is possible, the tube 15 is less likely to come out of the recess 5, and the tensile force due to the bending of the flexible joint portion 3 is not concentrated at one position, so that the deformation or damage of the tube 15 can be prevented.

Further, by providing the groove 32 between the first rib 23 and the second rib 24, the first rib 2
Wrinkles caused by the compression of the tube 15 by the third and second ribs 24 are absorbed by the groove 32, and the quality can be improved.

Next, an embodiment corresponding to claim 3 will be described with reference to FIG. The figure shows a partial cross-sectional view of the recess 5 of the case 7. In the figure, the first rib 23 is provided at the end of the recess 5 toward the inside, and the first rib 23
The second rib 24 is provided inwardly of the first rib 23 and is arranged in parallel with the first rib 23. Then, the tip end portion of the second rib 24 is made to project toward the center side of the recess 5 more than the tip end portion of the first rib 23.

In this embodiment, as described above, the second
Since the ribs 24 project beyond the first ribs 23, the adhered portion 15a of the tube 15 can be fitted into the holding portion 20 more strongly than the first ribs 23, whereby the tube The fixing of 15 can be performed more reliably.

Even if wrinkles are formed by tightly fitting the tube 15, wrinkles are formed only around the second ribs 24, and the rib height is such that the first ribs 23 are not wrinkled. It is possible to set it, and it is expected that the appearance quality will be improved.

Next, an embodiment corresponding to claims 4 and 5 will be described with reference to FIGS. 6 and 7. FIG. 6 shows an exploded perspective view of the lighting unit, and FIG. 7 shows a sectional view of the lighting unit.

In the figure, the second ribs 24 formed in the recess 5 are partially provided in the upper and lower portions of the first rib 23 on the inner side of the inner surface of the recess 5 with a space therebetween. The tube 15 is provided between the holding portion 20 and the first rib 23 annularly provided on the peripheral edge of the end of the recess 5 and the second rib 24 provided on a part of the inner surface of the recess 5 and the holding portion 20. It is configured to be fitted.

In this embodiment, since the second rib 24 is provided on a part of the inner side surface of the recess 5, the contact area between the second rib 24 and the tube 15 is small,
As a result, the pressure on the tube 15 increases, the fixation of the tube 15 is strengthened, and wrinkles are less likely to occur.

Further, as shown in FIG. 7, a through hole 33 is provided in the side surface of the holding portion 20 opposed to the second rib 24 provided in a part of the inner side surface of the recess 5 to form the first hole. The tube 15 pressed by the two ribs 24 enters into the through hole 33 to be engaged with the tube 15, and the fixation of the tube 15 is further strengthened.

[0031]

According to the present invention, the tube is fitted by the first rib and the second rib formed in the recess of the case, and the holding portion, whereby the fitting of either one of the ribs is performed. Even if the attachment force is weakened, the other rib can keep the tube fixed, so the tube will not come out of the recess easily, and the tensile force due to the bending of the flexible joint will not concentrate in one place. The tube can be prevented from being deformed or damaged, and the first
With the structure in which the groove is provided between the rib and the second rib, wrinkles caused by compression of the tube by the rib are absorbed by the groove, and improvement in quality can be expected.

Further, in particular, as in the portable lighting device according to the third aspect, by making the second rib project more than the first rib, the second rib holds the tube more strongly than the first rib. The tube can be fitted into the portion, and thus the tube can be more securely fixed.

Further, even if wrinkles are formed by tightly fitting the tube, wrinkles are formed only around the second ribs, and it is possible to set the rib height so that the first ribs are not wrinkled. It is expected that the appearance quality will be improved.

Further, in the portable lighting device according to the fourth aspect, since the second rib is provided on a part of the inner surface of the recess, the area where the second rib and the tube are in contact with each other is small. The pressure on the tube will increase and the fixation of the tube will be strengthened.

Further, in particular, as in the portable lighting apparatus according to the fifth aspect, by providing the through holes on the side surfaces of the holding portions of the second ribs facing each other, the tube pressed by the second ribs can be opened. By engaging the inside of the tube, the tube is engaged and the fixation of the tube is further strengthened.

[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 sectional view of an essential part of another embodiment corresponding to claim 3;

FIG. 6 is a perspective view of an essential part of another embodiment corresponding to claim 4;

FIG. 7 is a sectional view of an essential part of another embodiment corresponding to claim 5;

[Explanation of symbols]

 2 Lighting part 4 Grip part 3 Flexible joint part 5 Recess 13 Conductor 14 Core material 15 Tube 23 First rib 24 Second rib

Claims (7)

[Claims] 1. A grip having a substantially cylindrical shape having a battery built therein, an illuminator including a lamp, a reflector, and a lens, and the grip and the illuminator arranged between the grip and the illuminator. And a flexible joint part configured to be able to hold a desired shape by connecting one end and the other end to the end part of the flexible joint part. A flexible conductor that is inserted through the battery and electrically connects the battery to the lamp, a flexible core material, and a tube made of a soft material attached to the core material. And the illuminator is composed of first and second element bodies divided into two parts on the left and right,
A recess is formed inside the ends of the pair of element bodies, and a first rib is formed so as to project inward at the end of the recess, and the first rib is inwardly spaced from the first rib. And a second rib juxtaposed with the first rib is formed so as to project, and an end portion of the core member is engaged with the pair of element bodies by concavo-convex fitting, and an end portion of the tube is attached to the pair of element bodies. The first and second of each of the body of
A portable lighting device characterized by being sandwiched between a rib and the core material. 2. The portable lighting device according to claim 1, wherein a groove is provided between the first rib and the second rib. 3. The portable lighting device according to claim 1, wherein an upper end of the second rib is projected from an upper end of the first rib toward the center of the recess. 4. The portable lighting device according to claim 1, wherein the second rib is provided on a part of the inner wall of the recess. 5. The portable lighting device according to claim 4, wherein a through hole with which the tube is engaged is formed at a position where the second rib of the core member faces. 6. The core material according to claim 1, wherein a plurality of hollow element pieces are rotatably fitted at both ends thereof, and the fitting portions have flexibility. Portable lighting equipment. 7. The portable lighting device according to claim 6, wherein a flexible conductor is inserted in the hollow portion of the core material.