JP2000311754A - Socket for light source, and luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a socket for a light source capable of preventing a body and a cover and a lead electrode from being separated carelessly, in the case where a sliding direction of the body and the cover is substantially orthogonal to an introducing direction of the electrode, and to provide a luminaire using the socket. SOLUTION: This socket is provided with a body 1 having a component storing part, a lead wire introducing hole formed to be directed toward the storing part, and a body locking part attached to a luminaire main body provided in a direction orthogonal to the lead wire introducing hole, and a cover 2 having a cover locking part formed in a direction same as that of the body locking part and mounted on the luminaire main body, and a substantially U-shaped guide provided to face to the lead wire introducing hole of the body 1 and formed to make its bottom part serve as a body locking side so as to cover the component storing part of the body 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a socket for a light source such as a fluorescent lamp and a lighting apparatus using the socket.

[0002]

2. Description of the Related Art Conventionally, this type of fluorescent lamp socket is described in Japanese Patent Application Laid-Open No. Hei 9-161921.

FIGS. 4 and 5 are exploded perspective views showing a conventional fluorescent lamp socket and an assembled structure. In the figure, a fluorescent lamp socket 51 is composed of one main body case 52,
It comprises one internal component 53 and a pair of electrode plates 54. The main body case 52 has an opening at the lower surface, and has an electrode hole 10 formed at the lower part on the front surface.

The internal part 53 has a fixed part 55 corresponding to a fixed part and an operating part 56 corresponding to an operating body, which are integrally formed by a thin part 57 so as to be swingable. The operating portion 56 has an upper half portion formed in a disk shape, and a concave portion 58 bent backward is formed on the front surface below the terminal hole 15, and the lower edge of the concave portion 58 is formed of the thin wall. It continues to the portion 57. This thin portion 57
It is formed linearly in the left-right direction, and is resiliently bendable in the front-rear direction, which is the insertion direction of the fluorescent lamp 7. For this reason, the operating portion 56 is swingably supported in the front-rear direction with respect to the fixed portion 55, and the operating portion 56 is elastically urged against the round hole 8 of the main body case 52. .

The fixing portion 55 has an engaging claw 37 at the center of the rear surface.
The engaging claw 37 is provided on the main body case 5.
The second engagement hole 36 is detachably engaged. An electrode hole 10 communicating with the front-rear direction is formed in a lower portion thereof. A slit 18 of an electrode insertion portion 17 communicating with the electrode hole 10 is
It is formed vertically from the upper surface of the front part to the lower part. An engaging hole 39 serving as a concave portion is formed in the electrode insertion portion 17, and an engaging claw 40, which is a convex portion that removably engages with the engaging hole 39, protrudes from the electrode plate 54. ing. Here, an electrode holding mechanism 41 for holding the position of the electrode plate 54 inserted into the electrode insertion portion 17 of the fixing portion 55 of the internal component 53 is formed, and the intermediate portion 19 of the electrode plate 54 is It is mounted so as to be swingable and positionless.

Although the electrode plate 54 is bent in an S-shape as a whole, the terminal portion 21, the intermediate portion 19, and the electrode portion 20 are positioned substantially on a straight line, and are bent at a sharp angle. There are no parts. As described above, the lead electrode 9 and the terminal 14 of the fluorescent lamp 7
Are both inserted into the fluorescent lamp socket 51 from the front, so that these are inserted into the electrode section 20 and the terminal section 21 of the electrode plate 54.
Are pressed backward. The electrode plate 54 is provided in the middle portion 19
Is swingably supported at the position shown in FIG.
And the terminal 14 of the fluorescent lamp 7, the stress acting on each part 20, 21 is generated in a direction in which the stress is mutually strengthened.

In the above-described fluorescent lamp socket 51, the slits 12, 42 into which the holding portions 24 of the main body frame 23 of the lighting fixture are fitted are formed in both the main body case 52 and the internal parts 53. The main body case 52 and the internal parts 53 are fixed.

A pair of the fluorescent lamp sockets 51 is mounted on both ends of the main body frame 23 of the lighting fixture, and supplies power while holding the fluorescent lamp 7 at both ends.

[0009]

In such a fluorescent lamp socket 51, the internal component 53 is covered with the main case 52 by sliding the slit 42 of the internal component 53 and the slit 12 of the main case 52 mutually. Such a structure. Electrode holes 10 for inserting and guiding the lead electrodes 9 in the same direction as the sliding direction are formed in the internal component 53 and the main body case 52, respectively.

That is, as described above, in a fluorescent lamp socket in which the internal component and the main body case are slid with each other, when the sliding direction is the same as the lead electrode introduction direction, the lead wire is There is little contact with the periphery of the electrode hole, and there is little chance that the internal component and the main body case come off due to attachment and detachment of the lead wire.

However, when the sliding direction of the internal component and the main body case is substantially orthogonal to the lead electrode introduction direction, the lead wire is often bent at a right angle and wired. In some cases, the lead wire may come into contact with the periphery of the electrode hole, and the force for pulling the electrode hole formed in the main body case in the sliding direction may occur.

Therefore, in this case, the internal parts and the main body case may be inadvertently separated from each other,
The socket will fail.

According to the present invention, when the sliding direction of the body and the cover is substantially perpendicular to the lead electrode introducing direction, the light source socket and the socket are prevented from being inadvertently separated from each other. It is an object to provide a lighting fixture used.

[0014]

According to a first aspect of the present invention, there is provided a lighting device which is provided in a component storage portion, a lead wire introduction hole formed toward the component storage portion, and a direction perpendicular to the lead wire introduction hole. A body having a body locking portion mounted on the main body; a cover locking portion formed in the same direction as the body locking portion and mounted on the lighting fixture body, and a lead wire introduction hole of the body. A cover which is provided so as to oppose, and has a substantially U-shaped guide formed so that the bottom portion is on the side of the body engaging portion, and which covers a component accommodating portion of the body. Features.

According to a second aspect of the present invention, there is provided an apparatus main body; at least one pair of the light source sockets according to the first aspect disposed on the apparatus main body; a light source mounted on the light source socket; And;

[0016]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a light source socket according to an embodiment of the present invention;

FIG. 1 is a perspective view of a fluorescent lamp socket showing an embodiment of the present invention, FIG. 2 is a perspective view of a body, and FIG. 3 is a perspective view of a cover.

In the figure, a light source socket, for example, a fluorescent lamp socket, generally comprises a body 1 and a cover 2 made of resin.

The body 1 mainly includes a component storage section 1a,
A plurality of lead wire introduction holes 1b, 1b... Formed toward the component storage portion 1a,
1b... Are provided in a direction orthogonal to the main body 1b.

The cover 2 is formed in the same direction as the above-described body locking portion 1c, and covers the cover locking portion 2a mounted on the lighting fixture body and the lead wire introduction holes 1b, 1b. Are provided so as to face each other, and have substantially U-shaped guides 2b, 2b,... Formed so that the bottom 2ba is on the side of the body locking portion 1c. Have been.

According to such a fluorescent lamp socket, the lead wire 3 is bent and led out from the lead wire introduction holes 1b, 1b,..., And the bottom portion 2 of the U-shaped guides 2b, 2b.
A force is applied to ba, and this force acts as a force for attaching the body and the cover, and it is possible to prevent the two from being carelessly separated.

The lead wire 3 is connected to the lead wire introduction hole 1b,
1b are bent in the opposite direction and led out, the U-shaped guides 2b, 2b are open in the direction opposite to the bottom, that is, since the cover 2 has no guide, a force that separates the two. Will not join the cover.

Next, the fluorescent lamp socket is generally used in a lighting fixture.

That is, this lighting fixture comprises a fixture main body,
The apparatus includes at least a pair of fluorescent lamp sockets provided in the apparatus main body, a light source mounted on the socket, and a lighting circuit for lighting the light source.

According to this lighting device, it is possible to provide a lighting device in which the problems of the fluorescent lamp socket are reduced.

[0026]

According to the first aspect of the present invention, the light source socket is formed in the same direction as the body locking portion of the body, and faces the cover locking portion mounted on the lighting fixture body and the lead wire introduction hole of the body. And has a substantially U-shaped guide formed so that the bottom is on the side of the body engaging portion, and has a cover for covering the component accommodating portion of the body. The lead is bent out of the wire introduction hole and applied to the bottom 2ba of the U-shaped guide, and this force acts as a force for attaching the body and the cover, thereby preventing the two from being inadvertently separated. it can. Also, when the lead wire is bent out of the lead wire introduction hole in the opposite direction and led out, the U-shaped guide is open in the direction opposite to the bottom, that is, since the cover has no guide, the two are separated. No such force is applied to the cover. Therefore, a good socket can be provided.

[0027] According to the lighting apparatus of the second aspect, it is possible to provide a lighting apparatus in which the problem of the light source socket is reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view of a fluorescent lamp socket showing an embodiment of the present invention.

FIG. 2 is a perspective view of the body.

FIG. 3 is a perspective view of the cover.

FIG. 4 is an exploded perspective view of a conventional fluorescent lamp socket.

FIG. 5 is an exploded perspective view showing the assembly of the fluorescent lamp socket, the fixture body, and the same.

[Explanation of symbols]

 1. Body 2. Cover 3. Lead wire

Claims (2)

[Claims] A component storage portion, a lead wire introduction hole formed toward the component storage portion, and a body locking portion provided in a direction perpendicular to the lead wire introduction hole and attached to a lighting fixture body. A body formed in the same direction as the body locking portion and provided so as to face the cover locking portion mounted on the lighting fixture main body and the lead wire introduction hole of the body, and the bottom portion is provided with the body locking portion; A light guide socket having a substantially U-shaped guide formed on the side of the stop portion, and a cover for covering a component housing portion of the body. 2. An apparatus main body; at least one pair of the light source socket according to claim 1 disposed on the apparatus main body; a light source mounted on the light source socket; and a lighting circuit for lighting the light source. A lighting fixture characterized by the fact that: