JP2004134334A - Single base type fluorescent lamp fixture - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a single base type fluorescent lamp fixture in which because a control lever 222 is installed in the horizontal direction perpendicular to a movable direction of a socket board 20, this does not become an obstruction in a reflective shade 40 of a lamp irradiation light. <P>SOLUTION: The control lever 222 is installed at a socket mounting part 221 in the horizontal direction perpendicular to the movable direction of the socket board 20, and it is arranged on the inner side of a fixing part 21 to the fixture main body 10, and because the socket mounting part 221 is fixed by a fixed plate 21 so as to pinch the fixed part 21 from outside, a fixed guide protruded part 224 of the control lever 222 is fixed to a guide hole 211 position of the fixed part 21. Furthermore, the fixed guide protruded part 224 is separated from the guide hole 211 of the fixed part 21 by shutting the control lever 222, and it becomes in release state and can slide in a vertical direction. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a movable structure of a socket base.
[0002]
[Prior art]
In the conventional apparatus shown in FIG. 8, the operation lever is provided in the vertical direction, which is the direction in which the socket base can be moved, when the socket base is movable. However, since the operation lever is located between the fluorescent lamp and the reflector, the lamp irradiation light is emitted. It was an obstacle in the reflection shade.
[0003]
[Problems to be solved by the invention]
The present invention provides an operation lever provided in a horizontal direction perpendicular to a movable direction of a socket base so as not to hinder the irradiation of lamp irradiation light in a reflection shade.
[0004]
[Means for Solving the Problems]
In order to achieve the above object, an operation lever is provided on the socket mounting portion in a horizontal direction perpendicular to the movable direction of the socket base, arranged inside the fixing portion to the instrument body, and sandwiching the fixing portion from the outside. By fixing the socket mounting portion with the fixing plate as described above, the fixed guide convex portion of the operation lever is fixed at the guide hole position of the fixed portion, and by contracting the operation lever, the fixed guide convex portion of the fixed portion is fixed. It is released from the guide hole and becomes a released state, enabling a vertical sliding structure.
[0005]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described with reference to FIGS. FIG. 1 shows an entire lighting fixture employing the movable socket base structure of the present invention. The fixture body 10 includes a socket base 20, a lamp socket 30, a reflector 40, a reflector shade fixture 50, and a fluorescent lamp 60 having the movable structure of the present invention. Be composed.
2 is a detailed view of the socket base of the present invention, FIG. 3 is a sectional view taken along the line AA ′ of the detailed view, and FIG. 4 is an exploded view of the sectional view.
The socket base 20 is composed of a fixed part 21 for fixing the fixture body 10 and a movable part 22 for fixing and moving the lamp socket 30. The movable part 22 is a socket mounting part 221, an operation lever 222 having spring properties, and a fixed plate. 223.
[0006]
The operation lever 222 is provided with a fixed guide convex portion 224, which is fixed to the socket mounting portion 221, and is disposed inside the fixed portion 21. Further, the fixing plate 223 is fixed to the socket mounting portion 221 so as to sandwich the fixing portion 21 from outside. The fixing portion 21 is provided with a guide hole 211 into which the fixed guide convex portion 224 of the operation lever 222 fits, and has a structure in which the fixed guide convex portion 224 is fixed at a position where it fits into the guide hole 211.
[0007]
FIGS. 5 and 6 show the socket base of the present invention in a fixed state at each guide position. When the operation lever 222 is retracted in the direction of arrow B, the fixed guide projection 224 is moved from the guide hole 211 to the bottom. The socket mounting portion 221 is disengaged and released, so that the socket mounting portion 221 can move in the vertical direction of the arrow C.
Further, as shown in FIG. 7, since the operation lever 222 is located in the horizontal direction, it does not hinder the irradiation light in the reflector 40 of the fluorescent lamp 60.
[0008]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, the movable structure of the socket stand which can slide a socket up and down without obstructing the irradiation light in the reflection shade of a fluorescent lamp is attained.
[Brief description of the drawings]
FIG. 1 is an overall view of a lighting apparatus employing a socket base movable structure of the present invention.
FIG. 2 is a detailed view of the socket base.
FIG. 3 is a sectional view taken along line AA ′ of FIG. 2;
FIG. 4 is an exploded view of FIG.
FIG. 5 is a view A of the socket base in a fixed state at the guide position.
FIG. 6 is a view B of the socket base in a fixed state at the guide position.
FIG. 7 is a sectional view when the socket base is constructed.
FIG. 8 is a cross-sectional view of a conventional socket base during construction.
[Explanation of symbols]
10: instrument body, 20: socket base, 21: fixed part, 211: guide hole, 22: movable part, 221: socket mounting part, 222: operation lever, 223: fixed plate, 224: fixed guide convex part, 225: Conventional operating lever, 30: lamp socket, 40: reflector, 50: reflector fixture, 60: fluorescent lamp

Claims (1)

It has a fixture main body arranged on the ceiling, has a socket base attached to the lower side of the fixture main body, has a one-sided lamp socket attached to the lower side of the socket base, and is detachably attached to the lamp socket from below. A fluorescent lamp for a single base to be mounted on, a reflective shade fixing device to be mounted on the appliance body, a reflective shade that is detachably attached to the reflective shade fixing device from below and covers the fluorescent lamp,
The socket base includes a fixed portion that is fixed to the device main body, the socket base includes a movable portion that slides vertically with respect to the fixed portion, and the socket base has a different height between the movable portions. An engaging means for resiliently and removably engaging the fixed portion at any one of a plurality of positions is provided, and the socket base is provided with an operation lever for releasing the engagement. ,
The operation lever is located higher than the reflector, and extends in the horizontal direction to be operable after removing the reflector.
The height of the movable part and the fluorescent lamp is adjusted according to the wattage of the fluorescent lamp.

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