JPH11353928A - Fluorescent lamp equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize easy and simple electrical connection between an equipment body and a reflector through a rotational locking bracket. SOLUTION: A pair of contact parts 55 integral with a conductive component 54 and rotationally exposed on an axis is provided to an axis part 53. A slender slit 21 which the axis part 53 passes through is formed on a reflector 2. Relative shapes of the axis part 53 with which the pair of the contact parts 55 is attached and the slit 21 are set such that the pair of the contact parts pressure contact with the edge of the pass-through slit 21, in a normal rotational phase in which longitudinal directions of both of them are orthogonal. Thus, the reflector 2 is electrically connected with an equipment body 1 through the slit 21, the contact parts, the conductive component 54 and a reflector mounting bracket 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises a fixture main body, a reflector mounting bracket fixed to the fixture main body, a reflector disposed on a lower surface side of the fixture main body, and the reflector attached to the reflector plate. TECHNICAL FIELD The present invention relates to a fluorescent lamp device provided with a rotary locking device detachably attached to a metal fitting.

[0002]

2. Description of the Related Art Fluorescent lamps having the above structure are known. When viewed electrically, the electric potential is the same between the appliance body and the reflector mounting bracket. The same potential is applied between the reflector mounting brackets and between the rotary locking devices. However, the potential between the rotary stopper and the reflector is not the same. Therefore, the electric potential is not the same between the appliance body and the reflector.

[0003]

The above-mentioned rotary locking device of the conventional device has no function of electrically connecting the device body and the reflector. For this reason, a wiring structure for electrically connecting and grounding the instrument body and the reflector, or a labor for the wiring structure, is separately required. SUMMARY OF THE INVENTION It is an object of the present invention to provide a simple and inexpensive electrical connection between an instrument body and a reflector via a rotary locking tool.

[0004]

The instrument of the present invention comprises an instrument body. There is provided a reflector mounting bracket fixed to the instrument body. A reflecting plate is provided on the lower surface side of the instrument body.
There is provided a rotary locking tool for detachably mounting the reflector on the reflector mounting bracket. The rotary locking device of the present invention includes a conductive component detachably engaged with the reflector mounting bracket and an insulating component covering a lower portion of the conductive component. The insulating component includes a shaft portion having an elliptical cross section and a knob portion below the shaft portion.
A pair of contact portions that are integral with the conductive component and that are exposed around the shaft are provided on the shaft portion. An elongated through-hole through which the shaft portion passes is provided in the reflection plate. The relative shape of the shaft portion and the through hole to which the pair of contact portions are attached is such that the pair of the contact portions press against the edge of the through hole in a normal rotation phase in which the longitudinal directions of the two are orthogonal. Determine.
Thereby, the reflection plate is electrically connected to the appliance main body via the through hole, the contact portion, the conductive component, and the reflection plate mounting bracket.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A description will be given with reference to FIGS. The illustrated fluorescent lamp apparatus according to the present invention is a reflector
It is a straight tube type fluorescent lamp fixture attached. The fluorescent lamp device includes a device main body 1. Reflector mounting bracket 4 to be fixed to instrument body 1
Is provided. A reflection plate 2 is provided on the lower surface side of the instrument body 1. There is provided a rotary locking tool 5 for detachably mounting the reflector 2 to the reflector mounting bracket 4. These points are the same as before. The rotary locking device 5 of the present invention includes a conductive component 54 detachably engaged with the reflector mounting bracket 4 and an insulating component 52 covering a lower portion of the conductive component 54. The insulating part 52 includes a shaft part 53 having an elliptical cross section and a knob part 51 below the shaft part 53. A pair of contact portions 55 that are integral with the conductive component 54 and are exposed around the shaft are provided on the shaft portion 53. Shaft 53 on reflector 2
Is provided with a long through hole 21 penetrating therethrough. Reference numeral 3 denotes a lamp socket, on which a straight tube-type fluorescent lamp (not shown) is detachably mounted. Shaft portion 5 to which a pair of contact portions 55 is attached
The relative shape of the through hole 53 is determined such that the pair of contact portions 55 is pressed against the edge of the through hole 21 in a normal rotation phase in which the longitudinal directions thereof are orthogonal to each other. Thus, the reflector 2 is electrically connected to the appliance main body 1 via the through hole 21, the contact portion 55, the conductive component 54, and the reflector mounting bracket 4. Supplement the explanation. The role of the insulating component 52 covering the lower part of the conductive component 54 is to prevent the reflection plate 2 from being damaged, and to soften the knob 51 to make it easy to grasp. Since the upper part of the conductive component 54 is exposed, it is electrically connected to the reflector mounting bracket 4. The reason why the through-hole 21 has a long hole shape is to allow the knob portion 51 to be freely inserted. Knob part 5 in that relation
1 must be slightly smaller than the through hole 21.
Therefore, the through hole 21 is closed as D> E, and the appearance is reduced. Of course, A> C must be satisfied. However, it is possible to set A ≒ B without A <B. Since the shaft portion 53 entering the through hole 21 is in an elliptical state with a major axis B and a minor axis C, for example, and A> C, loose insertion is possible. Then, when it is rotated by approximately 90 degrees via the knob 51, it is not possible to make A> B, so that the through hole 21 and the rotary locking tool 5 are pressed against each other at that location. In the present invention, the contact portion 55
To form The contact portion 55 is formed by exposing the portion of the conductive component 54 without being covered by the conductive component 54. Since this principle works in the contact part 55 pressure welding, it is a strong pressure welding in which an electrical connection is ensured. It also has the effect of preventing the free rotation of the rotary lock 5.

[0006]

According to the present invention, a pair of conductive contact portions which are exposed around the shaft of the rotary locking device are provided on the shaft so that electrical connection can be appropriately made to the through holes in the reflector. It is something devised. This ensures that the electrical connection between the appliance body and the rotary locking device and the reflector is made with little or no new cost and with little or no additional effort. Can be. Therefore, it is useful for cost reduction.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part of the device of the present invention.

FIG. 2 is an exploded perspective view thereof.

FIG. 3 is an enlarged sectional view of a part thereof.

FIG. 4 is a side view of the portion shown in FIG. 3;

FIG. 5 is a local sectional view showing the shaft portion further enlarged.

[Explanation of symbols]

1: Instrument main body, 2: Reflector, 21: Through hole, 4: Reflector mounting bracket, 5: Rotary lock, 52: Insulating component, 5
3: Shaft, 54: conductive part, 55: contact

Claims (1)

[Claims] 1. An apparatus main body (1), a reflector mounting bracket (4) fixed to the apparatus main body (1), and a reflector (2) disposed on the lower surface side of the apparatus main body (1). Prepared,
A fluorescent lamp device including a rotary locking device (5) for detachably mounting the reflector (2) to the reflector mounting bracket (4), wherein the rotary locking device (5) is a reflector. A conductive part (54) detachably engaged with the mounting bracket (4) and an insulating part (52) covering a lower part of the conductive part (54), wherein the insulating part (52) has an elliptical cross section. And a pair of contact portions (55) that are integrated with the conductive component (54) and are exposed around the axis on the shaft portion (53). ), An elongated through hole (21) through which the shaft portion (53) penetrates is provided in the reflector (2), and the shaft portion (53) to which a pair of the contact portions (55) is attached.
And the through-hole (53) are defined such that the pair of contact portions (55) press against the edge of the through-hole (21) in a normal rotational phase in which the longitudinal directions of the two are perpendicular to each other, The reflection plate (2) is connected to the through hole (21), the contact portion (55), the conductive component (54), and the reflection plate mounting bracket (4).
A fluorescent lamp device electrically connected to the device body (1) via