JP2823142B2 - lighting equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting fixture having a lamp socket for mounting a straight tube lamp in a mounting hole of a socket mounting base.

[0002]

2. Description of the Related Art Conventionally, this kind of lighting equipment is, for example, shown in FIG.
And the structure shown in FIG.

In the lighting apparatus shown in FIGS. 8 and 9, reinforcing end plates 52 are attached to lower surfaces at both ends in a longitudinal direction of a thin box-shaped apparatus main body 51 having an open lower surface. A socket mount 53 is mounted substantially at the center.

The socket mounting base 53 is formed by bending both ends in the longitudinal direction of a flat plate downward substantially vertically to form a mounting portion 54, and a substantially T-shaped mounting hole 55 is punched in the mounting portion 54. An engaging strip 56 is formed on both sides of the narrow portion of the mounting hole 55. Further, the engaging groove 56 formed in the lamp socket 57 is slidably engaged with the engaging ridge 56, and the lamp socket 57 is inserted with the socket portion 61 connecting the base 60 of the straight tube lamp 59 facing the socket. And attach it.

A lamp 59 is mounted between the lamp sockets 57.

[0006]

However, in the lighting fixture shown in FIGS. 8 and 9, the socket mount is used.
In view of the manufacturability and the manufacturing cost, since the flat plate 53 is formed by bending a flat plate and forming the mounting hole 55 for mounting the lamp socket 57, the peripheral portion of the mounting hole 55 of the socket mounting base 53 becomes narrow. Therefore, when the lamp 59 is mounted between the lamp sockets 57, as shown in FIG. 9, the lamp mount 57 is pushed by the lamp 59 and falls down.
May be deformed. Also, the clearance between the engaging groove 58 of the lamp socket 57 and the engaging strip 56 of the socket mounting base 53 causes the lamp socket 57 to rattle, and when the lamp 59 is sandwiched between the lamp sockets 57, the socket mounting base 53 May fall down so that the lamp socket 57 opposing to the opening may expand.

As a result, the base 60 of the lamp 59 and the socket portion 61 of the lamp socket 57 may be separated from each other, resulting in poor contact. Further, even if the lamp 59 is removed, the socket mount 53 remains deformed without being restored, and the socket mount 53 may be damaged.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a lighting apparatus in which a fluorescent lamp is securely connected and mounted, thereby improving manufacturability and reducing manufacturing cost.

[0009]

SUMMARY OF THE INVENTION A lighting fixture according to the present invention comprises a fixture main body, a socket portion on the front side of which a base of a straight tube lamp is mounted, and a holding member formed on a side surface along the longitudinal direction of the lamp. A pair of lamp sockets having an engagement groove for engagement and holding a straight tube type lamp between the front faces and mounting the socket, and a socket mounting base formed of a plate material and mounted in a pair with the appliance body. An opening formed in the socket mounting base, to which the lamp socket can be attached / detached, and a peripheral part of the mounting / detaching hole of the socket mounting base, the width of which is smaller than a direction orthogonal to a longitudinal direction of the lamp; A locking hole opened at a longitudinal end side, and a locking hole of the socket mounting base is provided along a longitudinal direction in a direction orthogonal to a longitudinal direction of the lamp and slides in an engaging groove of the lamp socket. Engagement strip that engages as possible A pressing piece formed by cutting and raising the locking hole of the socket mount on the end side of the lamp, elastically abutting against the back surface of the lamp socket, and pressing the lamp in the opposite direction. Things.

[0010]

The lighting fixture of the present invention is detachable from the mounting hole of the lamp mounting base, and slides toward the longitudinal end of the lamp to engage with the engaging groove of the lamp mounting base so that the engaging groove is engaged. The lamp socket is cut and raised in the socket mounting base, and the pressing piece is elastically pressed in the direction opposite to the lamp socket. In addition to preventing the lamp from being deformed, the gap between the lamp sockets is prevented from being expanded by the clearance between the engaging strip and the engaging groove, and the lamp is securely connected and supported by the socket mounting base having a simple structure.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a lighting fixture according to the present invention will be described below with reference to FIGS.

In FIGS. 1, 3 and 4, reference numeral 11 denotes an instrument main body.
Is bent substantially vertically downward to form a thin box shape with an open lower surface.

On the lower surface of both ends of the instrument body 11 in the longitudinal direction, rectangular flat plate-shaped end plates 13 are attached to reinforce the instrument body 11 in the longitudinal direction along the width direction of the instrument body 11. Have been. The end plate 13 has a cutout portion 14 at one of the opposite edges where a claw portion of a reflection end plate (not shown) is hooked.

A socket mount 18 on which a lamp socket 17 for mounting a straight tube lamp 16 is mounted substantially at the center of the lower surface of the end plate 13.

The lamp socket 17 has a socket portion 21 to which a base 20 of the lamp 16 is connected at the front face at one end, and an engaging groove 22 along the circumferential direction near the other end. The formed pedestal portion 23 is formed.

On the other hand, the socket mount 18 is made of a steel plate, and as shown in FIGS.
Both ends in the longitudinal direction of the rectangular flat plate portion 25 are bent substantially perpendicularly in the same direction to form the mounting portion 26. Further, the distal end of the mounting portion 26 is bent substantially vertically so as to face inward to form a bent portion 27, and the socket mounting base 18 is formed in a U-shaped cross section.

The mounting portion 26 of the socket mounting base 18 is formed with a mounting hole 29 in which the lamp socket 17 is mounted by punching. The mounting hole 29 has a rectangular mounting / dismounting hole 30 for attaching and detaching the pedestal portion 23 of the lamp socket 17 along the width direction of the mounting portion 26 in the longitudinal direction.
Further, in the mounting hole 29, a locking hole 31 in which the dimension in the width direction of the mounting portion 26 is narrower than the mounting hole 26 is formed continuously to the mounting hole 26,
The engaging hole 32 is formed with an engaging ridge 32 that engages with the engaging groove 22 of the lamp socket 17 and locks and fixes the pedestal portion 23.
The mounting hole 29 is formed in a substantially T-shape by the attachment / detachment hole 30 and the locking hole 31.

Further, at the edge of the mounting hole 29 facing the attachment / detachment hole 30 of the locking hole 31, a pressing piece 33 cut and raised outward and inclined inward is formed.

The fixture body 11 is attached with a lighting device (not shown) and wired to a lamp socket 17 and the like, and attached to a ceiling or the like by attaching means (not shown).
The lamp 16 is sandwiched and mounted between the opposed lamp sockets 17, and a shade body 35 is attached so as to cover the lower surface as shown in FIG.

Next, the mounting operation of this embodiment will be described.

First, a pressing piece 33 is cut out and formed near both ends in the longitudinal direction of a rectangular steel plate, and a mounting hole 29 is formed by punching. Further, the mounting portion 26 is bent so that the pressing piece 33 protrudes outward to form the socket mounting base 18 having a substantially U-shaped cross section. Then, this socket mounting base 18 is mounted on the lower surface of both ends in the longitudinal direction of the instrument body 11.

Next, as shown in FIG. 1, the socket mounting base 18 is provided with
The pedestal portion 23 of the lamp socket 17 is inserted so that the socket portion 21 of the lamp socket 17 faces each other, and the engaging groove 22 of the lamp socket 17 is slid into the engaging hole 31 of the mounting hole 29 while sliding in the engaging groove. The lamp socket 17 is moved to the both ends of the appliance body 11 until it comes into contact with the pressing piece 33, and the lamp socket 17 is attached.

Then, wiring is performed with a lighting device or the like previously attached to the fixture main body 11, and attached to the ceiling surface by attaching means (not shown).

Thereafter, between the opposed lamp sockets 17,
The base 20 of the lamp 16 is connected to the socket portion 21 of the lamp socket 17 and attached.

When mounting the lamp 16, the lamp 16
Of one lamp socket 17 with one base 20
At the same time, the lamp socket 17 is pressed against the both ends of the instrument body 11 and moved by deforming the pressing piece 33 against the elasticity. Further, the base end of the lamp socket 17 is brought into contact with the base end of the pressing piece 33, and the pressing piece 33 is moved to the lamp socket 17 so as to make contact with the surface, and the socket of the other lamp socket 17 is moved. The base 20 is connected to 21, and the lamp 16 is mounted between the lamp sockets 17.

Thereafter, the shade body 35 is attached so as to cover the lower surface of the instrument body 11.

The socket mount 18 has a simple structure in which a steel plate or the like is bent to cut and raise the pressing piece 33 and the mounting hole 29 is punched out, so that the manufacturability is improved and the manufacturing cost is reduced. With a lamp socket
While it is easy to mount 17 and can improve assembly manufacturability,
In particular, when the lamp 16 is mounted on the lamp socket 17, the lamp socket 17 is pressed by the lamp 16 and easily deforms so that the lamp socket 17 falls down.

However, according to the above embodiment, the lamp socket 17 mounted in the mounting hole 29 of the socket mount 18 is
The pressing piece 33 formed by cutting and raising the socket mounting base 18
In order to elastically press the lamp socket 17 in the opposite direction so as to press the lamp 16, when the lamp 16 is mounted,
In addition to preventing the socket mounting base 18 from being deformed so that the lamp socket 17 falls down and the space between the lamp sockets 17 expands, the lamp socket 17 is rattled by the clearance between the engagement ridges 32 and the engagement grooves 22, When the lamp 16 is sandwiched between the lamp sockets 17, the lamp socket 17 facing the socket mount 18 can be prevented from falling down so as to expand, and the lamp 16 can be prevented from expanding so that the space between the lamp sockets 17 expands. The base 20 and the socket 21 of the lamp socket 17 can be reliably connected.

Further, since the mounting hole 29 is not formed by punching as in the prior art, the punched portion is cut and raised as the pressing piece 33 to form the mounting hole 29 so that the socket mounting base is opened.
Manufacturability of 18 can be improved and manufacturing cost can be reduced.

Next, another embodiment of the lighting fixture of this embodiment will be described with reference to FIGS. 6 and 7. FIG.

The embodiment shown in FIGS. 6 and 7 corresponds to FIG.
Or the pressing piece of the socket mount 18 of the embodiment shown in FIG.
A bulging portion 41 is provided in 33, and this bulging portion 41 is
It is of a structure that abuts against

That is, the socket mounting base 42 of the embodiment shown in FIGS. 6 and 7 has the engaging hole 31 of the mounting hole 29 and the engaging groove 22 of the lamp socket 17 in the engaging line 32 of the engaging hole 31. When the lamp socket 17 is slid and engaged, and the lamp socket 17 is moved to both ends of the fixture main body 11, a pressing piece portion is formed so as to protrude and form a contact portion 43 with which the base end portion of the socket mount 18 comes into contact. Cuts and raises 44. Further, a contact portion is provided near the tip of the pressing piece portion 44.
A bulging portion 41 bulging to the side where 43 protrudes is formed.

Then, the pedestal 23 of the lamp socket 17 is inserted into the mounting hole 29 of the mounting hole 29 of the socket mounting base 18 such that the socket 21 of the lamp socket 17 faces each other. While the groove 22 is engaged with the engaging strip 32, the lamp socket 17 is pressed against both end sides of the appliance body 11 by pressing pieces.
44 until it comes into contact with the bulge 41 of the socket mounting base 42.
Attach the lamp socket 17.

When mounting the lamp 16, one base 20 of the lamp 16 is connected to the socket 21 of the lamp socket 17.
At the same time, the pressing piece 44 is deformed against the elasticity, and the lamp socket 17 is pressed and moved toward both ends of the appliance body 11. Then, the base end of the lamp socket 17 is brought into contact with the contact portion 43, and the pressing piece 44 is inclined with respect to the lamp socket 17 so as to come into contact. Further, the base 20 of the lamp 16 is connected to the socket portion 21 of the other lamp socket 17, and the lamp 16 is mounted between the lamp sockets 17.

Therefore, as in the embodiment shown in FIGS. 1 to 5, the lamp socket 17 is
The socket mounting base 18 can be prevented from being deformed so that the gap between the sockets 17 can be expanded, and the base 20 of the lamp 16 and the socket 21 of the lamp socket 17 can be securely connected. The lamp can be clamped and mounted.

Further, since the lamp socket 17 is brought into contact with the contact portion 43 and locked, the positioning and fixing of the lamp socket 17 are ensured. Further, the bulging portion 41 is brought into contact with the lamp socket 17, and the pressing piece 44 presses the lamp socket 17 with an elastic force by being inclined to the lamp socket 17.
In addition to preventing settling of the lamp socket 44, the elastic force of the pressing piece portion 44 reliably acts on the tip of the lamp socket 17, and can prevent deformation of the socket mounting base 18 such that the lamp socket 17 falls down, thereby securely mounting the lamp 16. Can support connection.

[0037]

According to the lighting apparatus of the present invention, the engaging groove is detachable from the attaching / detaching hole of the lamp mounting base, and slides toward the longitudinal end of the lamp on the engaging strip of the lamp mounting base. The lamp socket to be combined and mounted is elastically pressed in the direction opposite to the lamp socket with a pressing piece formed by cutting and raising the socket mounting base, so that when the lamp is mounted, the space between the lamp sockets is expanded. It is possible to prevent the socket mounting base from being deformed, to prevent the gap between the lamp sockets from expanding due to the clearance between the engaging strip and the engaging groove, and to reliably connect and support the lamp with the socket mounting base having a simple structure.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view, partially cut away, showing an embodiment of a lighting fixture of the present invention.

FIG. 2 is a perspective view showing the socket mount of the above.

FIG. 3 is a plan view in which a part of the instrument body with the lamp mounted thereon is cut away.

FIG. 4 is a plan view showing a situation in which the lamp socket is mounted.

FIG. 5 is a perspective view of the lighting device of the above.

FIG. 6 is a plan view of a lighting apparatus according to another embodiment of the present invention, in which a part of a lighting apparatus main body with a lamp mounted is cut away.

FIG. 7 is a perspective view showing the socket mount of the above.

FIG. 8 is an exploded perspective view showing one embodiment of a conventional lighting fixture with a part cut away.

FIG. 9 is a plan view of the instrument body with the lamp mounted thereon, with a part cut away.

[Explanation of symbols]

 11 Instrument body 16 Lamp 17 Lamp socket 18, 42 Socket mount 20 Base 21 Socket part 22 Engagement groove 30 Detachable hole 31 Engagement hole 32 Engagement strip 33, 44 Press piece

Claims (1)

(57) [Claims] An apparatus main body, a socket portion on a front side of which a base of a straight tube type lamp is mounted, and an engagement groove for holding engagement formed along a longitudinal direction of the lamp on a side surface. A pair of lamp sockets for pinching and mounting a straight tube type lamp to the socket, a socket mounting base formed of a plate material and mounted in a pair with the appliance body, and an opening formed in the socket mounting base for the lamp An attaching / detaching hole through which a socket can be attached / detaching, and a latch which is continuous with a periphery of the attaching / detaching hole of the socket mounting base, is narrower than a direction orthogonal to a longitudinal direction of the lamp, and is opened at a longitudinal end side of the lamp. A hole, a locking hole of the socket mounting base is provided along a longitudinal direction in a direction perpendicular to a longitudinal direction of the lamp, and an engaging strip slidably engages an engaging groove of the lamp socket; Of the locking hole of the socket mount A lighting fixture, comprising: a pressing piece formed by being cut and raised at an end portion of the lamp and elastically abutting against a back surface of the lamp socket to press the lamp in a facing direction.