JP4075209B2 - Light source socket and lighting fixture - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a light source socket such as a fluorescent lamp and a lighting fixture using the socket.
[0002]
[Prior art]
Conventionally, this type of fluorescent lamp socket is described in Japanese Patent Application Laid-Open No. 9-161921.
[0003]
4 and 5 are exploded perspective views showing a conventional fluorescent lamp socket and assembly structure. In the figure, the fluorescent lamp socket 51 includes a single body case 52, a single internal component 53, and a pair of electrode plates 54. The main body case 52 has an open lower surface, and an electrode hole 10 is formed in the lower part of the front surface.
[0004]
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 actuating portion 56 is formed in a disk shape in the upper half, but 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 the thin wall. It continues to the part 57. The thin portion 57 is linearly formed in the left-right direction, and can be flexibly bent in the front-rear direction, which is the direction in which the fluorescent lamp 7 is inserted. For this reason, the operating portion 56 is supported so as to be swingable in the front-rear direction with respect to the fixed portion 55, and the operating portion 56 is elastically biased to the round hole 8 of the main body case 52. .
[0005]
The fixing portion 55 has an engaging claw (not shown ) protruding from the center of the rear surface, and the engaging claw (not shown) is an engaging hole (not shown ) in the main body case 52 . Engage with and disengage. An electrode hole 10 communicating in the front-rear direction is formed in the lower part, and a slit (not shown ) of an electrode insertion part (not shown) communicating with the electrode hole 10 is formed downward from the upper surface of the front part . It is formed up to vertically. The electrode insertion portion is formed with an engagement hole 39 that becomes a recess, and an engagement claw 40 that is a projection that is detachably engaged with the engagement hole 39 projects from the electrode plate 54. Yes. Here, an electrode holding mechanism (not shown) for holding the electrode plate 54 inserted into the electrode insertion portion of the fixing portion 55 of the internal component 53 is formed, and the intermediate portion 19 of the electrode plate 54 is The fixed portion 55 is mounted so as to be swingable and non-movable.
[0006]
The electrode plate 54 is bent in an S shape as a whole, but the terminal portion 21, the intermediate portion 19, and the electrode portion 20 are located on a substantially straight line, and there is no portion bent at a steep angle. . As described above, since both the lead electrode 9 and the terminal 14 of the fluorescent lamp 7 are inserted into the fluorescent lamp socket 51 from the front, they both press the electrode part 20 and the terminal part 21 of the electrode plate 54 backward. To do. Since the electrode plate 54 is swingably supported at the position of the intermediate portion 19, the stress acting on each portion 20, 21 by the lead electrode 9 and the terminal 14 of the fluorescent lamp 7 is generated in the direction of mutual enhancement. To do.
[0007]
In the above-described fluorescent lamp socket 51, the slits 12 and 42 into which the holding portion 24 of the body frame 23 of the lighting fixture is fitted are formed in both the body case 52 and the internal part 53. And the internal part 53 are fixed.
[0008]
A pair of fluorescent lamp sockets 51 is attached to both ends of the body frame 23 of the lighting fixture, and supplies the fluorescent lamp 7 while holding the fluorescent lamp 7 at both ends.
[0009]
[Problems to be solved by the invention]
The fluorescent lamp socket 51 has a structure in which the internal part 53 is covered with the main body case 52 by sliding the slit 42 of the internal part 53 and the slit 12 of the main body case 52 relative to each other. 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.
[0010]
That is, as described above, in the fluorescent lamp socket in which the internal part and the body case are slid relative to each other, if the sliding direction and the lead electrode introduction direction are the same, the lead wire is around the electrode hole. The internal parts and the main body case are unlikely to come off when the lead wire is attached or detached.
[0011]
However, when the sliding direction of the internal part and the body case and the lead electrode introduction direction are almost orthogonal, the lead wire is also often bent at a right angle and wired. There is a case where the wire comes into contact with the periphery of the electrode hole, and a force for pulling the electrode hole formed in the main body case in the above-described sliding direction may occur.
[0012]
Therefore, in this case, the internal part and the main body case may be inadvertently separated from each other, resulting in a problem with the socket.
[0013]
In the present invention, when the sliding direction of the body and the cover and the direction of introduction of the lead electrode are substantially orthogonal, the socket for the light source that does not inadvertently separate them and the illumination using this socket The purpose is to provide equipment.
[0014]
[Means for Solving the Problems]
According to the first aspect of the present invention, there is provided a component storage portion, a lead wire introduction hole formed so as to face the component storage portion, and a body locking portion provided in a direction orthogonal to the lead wire introduction hole and attached to the luminaire main body. A body formed in the same direction as the body locking portion, and provided so as to face a cover locking portion attached to the lighting fixture body and a lead wire introduction hole of the body, and a bottom portion A substantially U-shaped guide formed so as to be on the body locking portion side, and a cover that covers the component storage portion of the body.
[0015]
The invention of claim 2 comprises: an instrument main body; at least a pair of light source sockets according to claim 1 disposed on the instrument main body; a light source mounted on the light source socket; a lighting circuit for lighting the light source; It is characterized by having.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
A light source socket and an illumination fixture using the socket according to an embodiment of the present invention will be described below with reference to the drawings.
[0017]
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, and FIG. 3 is a perspective view of the cover.
[0018]
In the drawing, a light source socket, for example, a fluorescent lamp socket, is generally composed of a resin body 1 and a cover 2.
[0019]
The body 1 is mainly provided with a component storage portion 1a, a plurality of lead wire introduction holes 1b, 1b formed so as to face the component storage portion 1a, and an illumination provided in a direction orthogonal to the lead wire introduction holes 1b, 1b. It is comprised including the body latching | locking part 1c with which an instrument main body is mounted | worn.
[0020]
Further, the cover 2 is formed in the same direction as the body locking portion 1c described above and faces the cover locking portion 2a attached to the luminaire main body and the lead wire introduction holes 1b, 1b. Are provided so that the bottom portion 2ba is on the side of the body locking portion 1c, and covers the component storage portion 1a of the body 1. .
[0021]
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 a force is applied to the bottom portion 2ba of the U-shaped guides 2b, 2b. Acting as a force for attaching the cover, and the two can be prevented from being inadvertently separated.
[0022]
When the lead wire 3 is led out from the lead wire introduction holes 1b, 1b... In the opposite direction, the direction opposite to the bottom of the U-shaped guides 2b, 2b is open, that is, the cover 2 is open. Since there is no guide, no force is applied to the cover to separate the two.
[0023]
Next, this fluorescent lamp socket is generally used by being disposed in a lighting fixture.
[0024]
That is, the lighting fixture includes a fixture main body, at least a pair of fluorescent lamp sockets arranged in the fixture main body, a light source attached to the socket, and a lighting circuit for lighting the light source. Yes.
[0025]
According to this lighting fixture, it is possible to provide a lighting fixture in which the defects of the fluorescent lamp socket are reduced.
[0026]
【The invention's effect】
In the light source socket according to claim 1, the cover is formed in the same direction as the body locking portion of the body and is provided so as to face the cover locking portion attached to the luminaire main body and the lead wire introduction hole of the body. It has a substantially U-shaped guide formed so that the bottom part is on the body locking part side, and has a cover that covers the part housing part of the body, so that the lead wire is bent from the lead wire introduction hole. Accordingly, a force is applied to the bottom portion 2ba of the U-shaped guide, and this force acts as a force for mounting the body and the cover, and it is possible to suppress the two from being carelessly separated. Further, when the lead wire is led out from the lead wire introduction hole by being bent in the opposite direction, the direction opposite to the bottom of the U-shaped guide is open, that is, there is no guide in the cover, so both are separated. Such a force is not applied to the cover. Therefore, a good socket can be provided.
[0027]
In the lighting fixture of Claim 2, the lighting fixture with which the malfunction of the socket for light sources was reduced can be provided.
[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 fluorescent lamp socket, the instrument body, and the assembly.
[Explanation of symbols]
1 ... Body 2 ... Cover 3 ... Lead wire

Claims (2)

A body having a component storage portion, a lead wire introduction hole formed to face the component storage portion, and a body locking portion provided in a direction orthogonal to the lead wire introduction hole and attached to the luminaire body ;
It is formed in the same direction as the body locking portion and is provided so as to face the cover locking portion to be mounted on the luminaire main body and the lead wire introduction hole of the body, so that the bottom portion is on the body locking portion side. A cover that has a substantially U-shaped guide formed on the body and covers the component storage portion of the body;
A light source socket characterized by comprising: An instrument body;
The light source socket according to claim 1, wherein the light source socket is disposed on the instrument body;
A light source mounted in a light source socket;
A lighting circuit for lighting a light source;

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