JPH09223411A - Lamp socket device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily install a lamp, and firmly hold the lamp. SOLUTION: A socket main body 111 electrically connected to a fluorescent lamp is covered by combining a pair of socket cover bodies 112 and 113 with each other. Lamp holding parts 118 and 118 to respectively fit and hold a base part of the fluorescent lamp are integrally formed on the respective socket cover body bodies 112 and 113. The respective lamp holding parts 118 and 118 are arranged so as to separate from each other.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lamp socket device for electrically connecting to a lamp and mechanically holding the lamp.

[0002]

2. Description of the Related Art Conventionally, for example, a lighting fixture 1 shown in FIG. 5 is known. The lighting fixture 1 includes a disc-shaped fixture main body (chassis) 2 having an opened lower surface, and inside the fixture main body 2, an insulating plate 3 and a circuit board 4 for electronic lighting in which electronic components are arranged are housed. ing. Also, this instrument body 2
A switch 7 provided below the circuit board 4 and provided with a baby bulb socket 6 is attached via a switch support 5 to the lower side. Further, a lamp holder 8 and a lamp socket device 9 shown in FIG. 6 are attached to the lower side of the fixture body 2, and two annular fluorescent lamps L are attached to the lamp holder 8 and the lamp socket device 9. Has been done. Further, a reflector 10 that covers the lower surface of the instrument body 2 is attached to the lower side of the instrument body 2, and the baby bulb 11 and the switch 7 mounted on the baby bulb socket 6 are attached to the lower side of the reflector plate 10. The operation piece 7a is protruding. Further, the reflector 10 has a flange portion 10a provided on the upper peripheral edge portion fixed to the flange portion 2a provided on the lower peripheral edge portion of the fixture body 2 together with the lamp holder 8 by screwing or the like. There is. On the other hand, a cord cover 14 having an open lower surface is attached to the upper surface, that is, the back surface of the instrument body 2, and the cord adjusting tool 15 attached to the cord cover 14 is attached.
Thus, the power cord W hung from the ceiling surface is clamped and fixed, and the instrument body 2 is suspended and supported at a predetermined height position.

Further, on the upper surface and the side surface of the instrument body 2,
A plurality of heat dissipation holes 2b and 2c are provided respectively, and a plurality of heat dissipation holes 10b are also provided on the flange portion 10a of the reflection plate 10.
Is provided. And these heat dissipation ports 2b, 2c, 10b
Heat is radiated from the circuit board 4 by the flow of air flowing through the circuit board 4.

On the other hand, the lamp socket device 9 comprises a socket body 16 and a socket cover 17 for accommodating the socket body 16, as shown in FIG. Further, the socket body 16 is provided with four connection holes 16a into which the base pins of the fluorescent lamp L are inserted, and lead wires 16b connected to the circuit board 4 and the like are led out. Further, the socket cover 17 is integrally formed with a socket housing portion 17a for housing the socket body 16 and a substantially arc-shaped lamp holding portion 17b for elastically fitting and holding the base portion of the fluorescent lamp L. . Further, an opening 17c for inserting the socket body 16 is formed on one side surface of the socket housing portion 17a, and the opening 17c is formed in the opening 17c.
A cover body 18 for covering is attached.

[0005]

However, in the structure of the conventional lamp socket device 9 described above, when the strength of the lamp holding portion 17b is increased in order to firmly hold the fluorescent lamp L, the lamp holding portion 17b has a fluorescent lamp. In order to make it easier to insert the fluorescent lamp L while making it difficult to insert L,
If the strength of the lamp holder 17b is reduced, the fluorescent lamp L
Has a problem that it becomes difficult to hold it firmly.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a lamp socket device that can be easily mounted with a lamp and can firmly hold the lamp.

[0007]

A lamp socket device according to claim 1, comprising a socket body electrically connected to the lamp, and a plurality of socket cover bodies which are combined with each other to cover the socket body. Each socket cover body is provided with a lamp holding portion for fitting and holding the lamp.

In this structure, a plurality of socket cover bodies are provided, and the plurality of socket cover bodies are provided with the lamp holding portions for fitting and holding the lamps, respectively.
Compared to the structure in which the lamp holder is integrally formed, the lamp is firmly held by the plurality of lamp holders,
By making each lamp holder easily deformable, the lamp can be easily attached to each lamp holder.

A lamp socket device according to a second aspect of the present invention is the lamp socket device according to the first aspect, wherein the respective lamp holding portions are provided separately from each other.

In this structure, the lamp holding portions are deformed independently of each other, so that the lamp can be easily attached to the lamp holding portions.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a lamp socket device of the present invention will be described below with reference to the drawings.

In FIGS. 3 and 4, reference numeral 21 denotes a lighting device, and the lighting device 21 is suspended and supported by a power cord W from a ceiling surface (not shown). The luminaire 21 includes a disk-shaped chassis 22 serving as a luminaire main body having an opened lower surface, and the central portion of the upper surface (rear surface) of the chassis 22 having a planar circular shape has a recess protruding upward. The installation portion 23 is integrally formed, and the recessed portion 23
A circular hole-shaped insertion part 24 through which the power cord W is inserted in the central part of the
Are formed. Further, a cord adjusting tool 26 as a fixing tool is fitted to the insertion portion 24. The cord adjuster 26 has a substantially cylindrical shape, and when the power cord W is moved upward, that is, the load of the lighting device 21 is applied to the power cord W, the power cord W is sandwiched between the chassis 22 and the power cord W. While fixing and, the power cord W is released in a state of being moved downward, and the power cord W can be moved with respect to the chassis 22.

Further, a stopper mounting portion 28 having a through hole is integrally formed on the upper surface of the chassis 22, a plurality of through holes 29 for screwing are formed, and the recessed portion 23 has
Main body heat dissipation hole with upward opening such as circular hole and oval hole
A plurality of 30 are formed. Further, a flange portion 32 is provided so as to project from the lower end portion of the chassis 22 toward the outer peripheral side, and the flange portion 32 is provided with a plurality of reflection plate mounting holes 33.

The power cord W has an inner wire W1 having a pair of core wires and an outer skin W2 which covers the inner wire W1 except for the vicinity of the tip, and the tip of the inner wire W1 has a connector. C is attached integrally. Further, the power cord W is provided with a cord stopper S serving as a cord retainer on a part of the outer cover W2. The cord stopper S has a plate shape that is folded back into a substantially U shape, and has a through hole and a screw hole that communicate with each other at the tip. Therefore, a screw 34 is inserted into the through hole of the stopper mounting portion 28 of the chassis 22 from above, and the screw 34 is inserted into the cord stopper S.
The power cord W is fixed at a predetermined position on the lower surface of the chassis 22 by inserting the through hole into the screw hole and screwing the screw hole into the screw hole.

Further, 36 is a board mounting body, and this board mounting body
The reference numeral 36 includes an attachment body 37 which is integrally formed of, for example, a synthetic resin having an insulating property and has a plate shape of a substantially octagonal plane. Then, in the central portion of the upper surface of the mounting body 37, a substantially cylindrical wall portion 42 provided with a notch portion 41 is integrally provided so as to project upward, and outside the wall portion 42, A locking boss 45 having a locking portion at its tip and a mounting boss 46 having a screw hole at its tip are provided in a protruding manner.The locking boss 45 is engaged with the chassis 22 to secure the mounting boss 46. By fixing to the chassis 22 with the screw 47, the board mounting body 36 is fixed to the lower surface in a state of being housed inside the chassis 22.

In the state where the board mounting body 36 is mounted on the chassis 22 as described above, a cord housing portion 48 surrounded by a wall portion 42 is provided between the board mounting body 36 and the chassis 22.
Is formed. Therefore, the extra power cord W when the length of the power cord W is adjusted is accommodated in the cord accommodating portion 48 while being guided by the cord stopper S.

Further, inside the wall portion 42 of the mounting body 37,
Connector insertion part 50, mounting through hole 51 and multiple mounting body heat dissipation holes
52 are formed. Then, the connector insertion portion 50 is
The connector C has a substantially rectangular shape into which the connector C can be inserted, and a connector holding portion that engages and holds the connector C is formed below the connector insertion portion 50. Further, the attachment body heat radiation ports 52 each have a long hole shape, are located on both sides of the connector insertion portion 50, and are arranged at a predetermined interval from each other.

Further, a pair of board mounting claws 55 are formed downward from the four edge portions of the mounting body 37, respectively, and from the lower surface of the mounting body 37 to the mounting through holes 51. A cylindrical boss 56 having a shorter length dimension than the board mounting claw 55 is provided so as to communicate with each other.

Further, 61 is a circuit board (PC board), and a switch 62 and other electronic parts are mounted on the lower surface of the circuit board 61 to constitute a circuit for electronically lighting the fluorescent lamp L. The switch 62 is integrally provided with a connector connecting portion 64 facing upward and having a pair of power supply terminal pins to which the connector C of the power cord W is electrically connected. Further, from the switch 62, a draw string 65 is hung vertically downward, and a baby bulb socket 67 for mounting a baby bulb 66 which is an incandescent bulb is provided. As the other electronic component, for example, a member that generates heat, such as a power supply device for high frequency power conversion, which is also called an intelligent power module, is attached.

The circuit board 61 is in the form of a plate having a substantially octagonal shape in plan view, and the lower surface near the edge portion and the edge portion has a board mounting member 36.
It is engaged and held by the board mounting claw 55 of
Positioned and held in contact with 56. Further, in this state, the mounting screws 71 inserted from above into the respective mounting through holes 51 of the board mounting body 36, through the through holes 72 formed in the circuit board 61,
It is screwed into a screw hole provided on the upper surface of the switch 62 and is firmly fixed. In addition, the circuit board 61 has a switch
The connector through hole 75 is provided facing the connector connecting portion 64 of the 62, and the connector C inserted into the connector inserting portion 50 of the board mounting body 36 from above is electrically connected to the connector connecting portion 64 of the switch 62 from above. While being connected, they are mechanically engaged and held by the connector holding portion of the board mounting body 36.

Further, the circuit board 61 is adjacent to the electronic components that generate heat, and the mounting body heat dissipation port 52 of the board mounting body 36 is also provided.
Board-like heat dissipation holes at predetermined intervals at positions communicating with the
A plurality of 77 are formed.

Reference numeral 88 denotes a reflector, which is a bowl-shaped covering the lower side of the chassis 22 and has a reflecting surface formed on the lower surface. Then, in the central portion of the reflector 88, a reflecting plate recessed portion 89 which is recessed in a cylindrical shape toward the upper side is formed. The reflection plate recessed portion 89 is formed with a drawstring insertion hole 91 that is located in the center and through which the drawstring 65 of the switch 62 is inserted, and is adjacent to the drawstring insertion hole 91. , Circular light bulb through hole 92 for inserting the baby light bulb 66
Are formed. A portion surrounding the drawstring 65 is projected from the switch 62, and the projected portion is inserted into the drawstring insertion hole.
Positioning of the reflector 88 and drawstring by mating with 91
65 can be protected. Also, this drawstring insertion hole
A plurality of substantially arc-shaped cover mounting grooves 93 surrounding the 91 are formed concentrically, and a plurality of reflector heat dissipation ports 95 are formed substantially radially.

Further, a flange portion 96 having substantially the same shape as the flange portion 32 of the chassis 22 is formed on the edge portion of the upper end of the reflector 88, and this flange portion 96 has a reflection plate mounting hole 33 of the chassis 22. Corresponding to, mounting holes 97 are formed on three sides.
Further, a lamp socket device notch 98 is formed on one side of the reflector 88 from the flange 96 to the side.

The reflector 88 is fixed to the lower surface of the chassis 22 by, for example, screwing a mounting screw inserted into each mounting hole 97 into the reflection plate mounting hole 33 of the chassis 22. In addition, a lamp socket device notch 98 is fitted to a side portion of the reflector 88, and a screw 99 inserted from above into a predetermined through hole 29 of the chassis 22 is screwed into the lamp socket device to form a lamp socket. The device 100 is attached, and the lamp holder 101 is attached by tightening together with the attaching screw for fixing the reflector 88. The lamp holder 101 is made of an elastically deformable leaf spring material or the like, and is formed with a pair of lamp holding portions 102 that elastically hold the two fluorescent lamps L.

The lower portion of the reflector concave portion 89 of the reflector 88 is covered with a translucent bowl-shaped reflector cover 104. Then, a through hole 105 through which the drawstring 65 is inserted is formed in a substantially central portion of the cover 104 for the reflecting plate, and cover radiating ports 107 are formed in a substantially radial shape at predetermined intervals. Further, mounting claws 108 are projected on the three sides of the upper end portion, and these mounting claws 108 are engaged with the cover mounting grooves 93 of the reflector 88 to allow the reflector cover 10 to be covered.
4 is removably attached to the reflector 88. on the other hand,
As shown in FIGS. 1 to 4, the lamp socket device 100 is combined with a socket body 111 electrically connected to a circuit board 61 through a plurality of lead wires 110, and covers the socket body 111 in combination with each other. It is provided with a pair of socket cover bodies 112 and 113. And the socket body 11
1 has four connection holes 114 into which base pins projecting from the base of the fluorescent lamp L are inserted and electrically connected. Further, each socket cover body 112, 113 has a socket housing portion 116 having a substantially U-shaped cross section with one surface opened, and a base portion or base portion of the fluorescent lamp L located at the tip of the socket housing portion 116. A lamp holding portion 118 having a substantially arc shape that elastically fits and holds the vicinity thereof is integrally formed.

And, these socket cover bodies 112, 11
When 3 is combined, the socket housing portions 116 are combined to form a tubular shape, and the socket body 111 is housed inside with the connection hole 114 exposed at the tip side. Further, these socket cover bodies 112, 113
In a combined state, the lamp holding portions 118 are arranged in parallel with each other with a predetermined gap 120 therebetween.

As described above, according to the present embodiment, the lamp socket device 100 of the luminaire 21 including the holder for mounting the annular fluorescent lamp L is combined with a pair of socket cover bodies 112 and 113 to form a socket. Lamp holders 118 and 11 for accommodating the main body 111 and fitting and holding the fluorescent lamp L in the socket cover bodies 112 and 113, respectively.
8 are provided, and these lamp holders 118, 118 are arranged with a predetermined clearance. Therefore, each lamp holder 118
, 118 deform independently without interfering with each other,
Compared to a configuration in which similar lamp holding portions are integrally formed of resin or the like, the lamp holding portions 118, 118 can be easily deformed, and the fluorescent lamp L can be easily attached. Multiple lamp holders 118, 11
8, the fluorescent lamp L can be firmly and stably held. Further, compared to a configuration in which similar lamp holding portions are integrally formed of resin and the thickness dimension (wall thickness) of the resin is reduced to facilitate deformation, each lamp holding portion 118.
Since the wall thicknesses of the lamp holders 118 and 118 can be ensured to be large, the strength of the lamp holding portions 118 and 118 can be improved and damage can be prevented.

Further, according to the present embodiment, in the hanging type electronic lighting system lighting device 21 and the like, the cover heat dissipation port 107 of the reflector cover 104 and the reflector heat dissipation port of the reflector 88 are provided.
95, the board heat dissipation hole 77 of the circuit board 61, the mounting body heat dissipation hole 52 of the board mounting body 36, and the main body heat dissipation hole 30 of the chassis 22 are gathered in the vicinity of the central portion of the lighting device 21 and arranged vertically, so that The air that has entered through the cover heat radiation port 107 cools the circuit board 61 having the electronic components that generate heat, raises an upward airflow, and escapes from the uppermost body heat radiation port 30.
Therefore, it is possible to improve the efficiency of heat dissipation of the circuit board 61 as compared with a configuration in which the heat dissipation holes are arranged outside the outer shape of the circuit board. And since the heat dissipation efficiency can be improved, the number of main body heat dissipation ports 30 formed in the chassis 22 can be reduced,
Alternatively, it can be miniaturized to prevent dust and the like from entering the inside of the chassis 22 and improve the appearance. Also, because the heat dissipation efficiency can be improved, the switch 62
Can be directly mounted on the circuit board 61, the number of components can be reduced, and the manufacturing cost can be reduced.

In the above embodiment, the lamp socket device 100 has the structure in which the upper and lower two fluorescent lamps L are mounted. However, one or three or more fluorescent lamps L are mounted. It can also be configured to.
Further, the shape of the lamp holding portion 118 may be a shape other than the arc shape.

[0030]

According to the lamp socket device of the first aspect of the present invention, since the plurality of socket cover bodies are provided, and the plurality of socket cover bodies are respectively provided with the lamp holding portions for fitting and holding the lamps, the lamp holding portion is provided. In comparison with a structure in which the lamps are integrally formed, the lamps can be firmly held by the plurality of lamp holders, each lamp holder can be easily deformed, and the lamp can be easily attached to each lamp holder. . In addition, as compared with the configuration that reduces the wall thickness to facilitate deformation, it is possible to secure a large wall thickness for each lamp holding portion, so that the strength of each lamp holding portion is improved and damage is prevented. You can

According to the lamp socket device of the second aspect, in addition to the effect of the first aspect, since the lamp holding portions are provided apart from each other, the lamp holding portions deform independently of each other, and the lamp Can be easily attached to each lamp holder.

[Brief description of drawings]

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

FIG. 2 is a perspective view of the above lamp socket device.

FIG. 3 is an exploded perspective view of a lighting fixture including the above lamp socket device.

FIG. 4 is a sectional view of a lighting fixture including the same lamp socket device.

FIG. 5 is a cross-sectional view of a conventional lighting fixture.

FIG. 6 is an exploded perspective view of a conventional lamp socket device.

[Explanation of symbols]

 100 lamp socket device 111 socket body 112,113 socket cover body 118,118 lamp holding part L lamp

Claims (2)

[Claims] 1. A socket body, which is electrically connected to a lamp, and a plurality of socket cover bodies, which are combined with each other to cover the socket body, wherein the lamp is fitted and held in each of the socket cover bodies. A lamp socket device, comprising: 2. The lamp socket device according to claim 1, wherein the lamp holding portions are provided so as to be separated from each other.