JP2012248314A - Lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting fixture that can make external appearance excellent.SOLUTION: The lighting fixture 10 includes a straight-tube lamp 11, a socket 13 feeding power to the straight-tube lamp 11, a fixture body 14 with the socket 13 attached, and a socket cover 16 formed to cover a lower part of the socket 13, supported in turning by being inserted into an opening 22 formed on a back-face side of the socket 13 in the fixture body 14, and retained by the fixture body 14 in a closed position. A guide part 25 is installed for guiding the socket cover 16 in a direction of an outer peripheral inner edge of the opening 22 as the socket cover 16 is turned from an open state to a closed state.

Description

  The present invention relates to a lighting fixture applied to a base light or the like attached to a ceiling surface.

2. Description of the Related Art Conventionally, there is known a lighting fixture in which a socket cover that covers a socket that is mechanically and electrically connected to a base of a straight tube lamp is detachably attached to a fixture body (see, for example, Patent Document 1).
In Patent Document 1, after inserting a socket into the hole of the reflecting plate, the socket cover is attached to the reflecting plate by inserting an end cover portion of the socket cover into the step portion of the reflecting plate.
In Patent Document 1, since the end cover of the reflection plate is integrally formed with the socket cover, the number of assembling steps can be reduced.
Further, conventionally, there has been known a lighting fixture including a socket cover that covers an end portion of a straight tube lamp and a socket provided in a fixture main body of the lighting fixture (for example, see Patent Document 2).
Patent Document 2 can prevent the temperature drop of the straight tube lamp and can prevent the light output of the straight tube lamp from decreasing at a low temperature.

Japanese Utility Model Publication No. 60-4335 (FIG. 2, claim 1) JP 2007-265941 A (FIG. 2, claim 1)

By the way, as shown in FIG. 15, similarly to Patent Document 1 and Patent Document 2, there is provided a lighting apparatus 100 in which a socket cover 103 covering a socket 102 to which a straight tube lamp 101 is connected is detachably attached to an apparatus main body 104. Proposed.
In such a conventional lighting fixture 100, the socket cover 103 is rotatably supported through a mounting hole 105 provided in the fixture main body 104.
And when such a conventional lighting fixture 100 closes the socket cover 103 of an open state, the socket cover 103 is rotated in the position which covers the socket 102 by rotating the socket cover 103 toward the instrument main body 104. Is closed.
However, such a conventional lighting fixture 100 can regulate the position of the socket cover 103 in the closed position although the socket cover 103 is rotatably supported by the mounting hole 105 of the fixture body 104. Can not.
Therefore, in such a conventional lighting fixture 100, when the socket cover 103 is in the closed position, the socket cover 103 approaches the socket 102 side, and the attachment hole 105 of the fixture main body 104 can be seen from below.
Therefore, since such a conventional lighting fixture 100 can see the mounting hole 105 of the fixture main body 104, its appearance is not good.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a lighting apparatus that can improve the appearance of the appearance.

  A lighting fixture according to the present invention includes a straight tube lamp, a socket that holds a base of the straight tube lamp and supplies power to the straight tube lamp, a fixture main body to which the socket is attached, and a lower portion of the socket. A socket cover that is formed to cover, is inserted into an opening formed on the back side of the socket in the instrument body, is pivotally supported, and is held by the instrument body in a closed position, and the socket cover is opened. A guide portion is provided for guiding the socket cover in the direction of the outer peripheral inner edge of the opening as it rotates from the state to the closed state.

  In the lighting fixture according to the present invention, the guide portion is a claw portion formed toward the outer peripheral inner edge of the opening portion on the back surface of the socket.

  In the lighting fixture according to the present invention, the guide portion is a protruding portion formed to be inclined toward the outer peripheral inner edge of the opening portion on the back surface of the socket.

  According to the lighting fixture concerning this invention, there exists an effect that the appearance in an external appearance can be made favorable.

The side view of the lighting fixture of 1st Embodiment which concerns on this invention The bottom view of the lighting fixture of 1st Embodiment which concerns on this invention The front view of the lighting fixture of 1st Embodiment which concerns on this invention The external appearance perspective view seen from diagonally downward of the closed state of the socket cover of the lighting fixture of 1st Embodiment which concerns on this invention The external appearance perspective view seen from diagonally downward of the open state of the socket cover of the lighting fixture of 1st Embodiment which concerns on this invention The exploded perspective view around the socket of the lighting fixture of a 1st embodiment concerning the present invention. The external appearance perspective view seen from the slanting lower part around the socket of the open state of the socket cover of the lighting fixture of 1st Embodiment which concerns on this invention The vertical sectional view of the open state of the socket cover of the lighting fixture of a 1st embodiment concerning the present invention The vertical sectional view of the state in the middle of closure of the socket cover of the lighting fixture of a 1st embodiment concerning the present invention. The vertical sectional view of the closed state of the socket cover of the lighting fixture of a 1st embodiment concerning the present invention. The external appearance perspective view seen from the slanting lower part around the socket of the open state of the socket cover of the lighting fixture of 2nd Embodiment which concerns on this invention The vertical sectional view of the open state of the socket cover of the lighting fixture of 2nd Embodiment concerning this invention The vertical sectional view of the state in the middle of closure of the socket cover of the lighting fixture of a 2nd embodiment concerning the present invention The vertical sectional view of the closed state of the socket cover of the lighting fixture of a 2nd embodiment concerning the present invention External view of a conventional lighting fixture viewed from diagonally below the socket cover

Hereinafter, the lighting fixture of several embodiment which concerns on this invention is demonstrated with reference to drawings.
(First embodiment)
As shown in FIG. 1, the lighting fixture 10 of 1st Embodiment which concerns on this invention hold | maintains the single straight tube | pipe type lamp 11 and a pair of nozzle | cap | die 12 which the straight tube | pipe type lamp 11 has, and a straight tube type lamp 11 and a pair of sockets 13 for supplying electric power to the base light.
The lighting fixture 10 includes a reflector-integrated fixture main body 14 to which a socket 13 is attached, and a reflective surface 15 is formed on the straight tube lamp 11 side of the fixture main body 14.
The lighting fixture 10 includes a pair of socket covers 16 that are formed around the pair of sockets 13 and are held by the fixture body 14.
The lighting fixture 10 further includes a power supply box 17 on the upper surface of the central portion of the fixture main body 14, and a power supply unit 18 is accommodated in the power supply box 17. The power supply unit 18 supplies power to the socket 13.

  As shown in FIGS. 2 and 3, the instrument body 14 has a width equivalent to the width dimension and the length dimension of the instrument body 14 because the reflecting surface 15 reflects the light emitted from the straight tube lamp 11. Has dimensions and length dimensions.

As shown in FIG. 4, the socket cover 16 includes a lower cover portion 19 that is formed in a U shape similar to the outer shape of the socket 13 and covers the lower side including the side of the socket 13.
The socket cover 16 includes a back cover portion 20 that covers the back side of the socket 13.
In the closed state, the socket cover 16 covers the socket 13 and the base 12 of the straight tube lamp 11 with the lower cover portion 19 and the rear cover portion 20 so that the user cannot see from the lower side and the rear side.
As shown in FIG. 5, the socket cover 16 is opened when the straight tube lamp 11 is replaced, etc., thereby exposing the socket 13 and the base 12 of the straight tube lamp 11.

As shown in FIGS. 6 and 7, the instrument body 14 includes a socket cover fixing spring 21 on the front surface of the socket 13.
The socket cover fixing spring 21 protrudes downward in a C shape on the front surface of the socket 13 of the instrument body 14.
The instrument body 14 has an opening 22 formed on the back surface of the socket 13. The opening 22 is cut into a quadrangle. The opening 22 is also used for fixing the socket 13.
As for the instrument main body 14, the socket base 24 is fixed to the upper surface by the screw 23 screwing.
The socket base 24 includes a claw portion 25 formed toward the outer peripheral inner edge of the opening 22 as a guide portion on the back surface of the socket 13.
Therefore, the claw portion 25 protrudes obliquely toward the outer peripheral inner edge of the opening 22 when the socket base 24 is screwed to the instrument main body 14.

The socket cover 16 includes a latching portion 27 that protrudes upward in a T shape at the center of the upper end surface 26 of the back cover portion 20.
As for the latching | locking part 27, the width dimension of the neck part 28 is slightly smaller than the width dimension of the transversal direction in the instrument main body 14 of the opening part 22. FIG.
Therefore, the socket cover 16 is rotatably supported by the opening portion 22 while the neck portion 28 is pressed by the claw portion 25 of the socket base 24 by inserting the latching portion 27 into the opening portion 22.

Next, the opening / closing operation of the socket cover 16 will be described.
As shown in FIG. 8, when the socket cover 16 is in the open state, the neck portion 28 of the latching portion 27 is pressed against the claw portion 25 of the socket base 24, while the socket 12 and the base 12 of the straight tube lamp 11 are moved. Expose.

As shown in FIG. 9, when the socket cover 16 is in the open state, the lower cover portion 19 is pressed toward the instrument body 14 side.
As a result, the socket cover 16 is rotated in a direction in which the lower cover portion 19 and the back cover portion 20 approach the socket 13 and the base 12 of the straight tube lamp 11.

As shown in FIG. 10, the socket cover 16 reaches the closed position when the upper end portion of the lower cover portion 19 is locked by the socket cover fixing spring 21.
At this time, the socket cover 16 reaches the closed position while being pressed toward the outer peripheral inner edge of the opening 22 by the neck portion 28 of the latching portion 27 being pressed by the claw portion 25 of the socket base 24.
Therefore, the socket cover 16 is locked to the socket cover fixing spring 21 at the end of the instrument body 14 where the back cover portion 20 is farthest from the socket 13.
Therefore, the socket cover 16 is attached to the instrument main body 14 so as to cover the opening 22 by the lower cover portion 19 and the back cover portion 20.

As described above, according to the lighting apparatus 10 of the first embodiment of the present invention described above, the socket cover 16 is formed by the claw portion 25 constituting the guide portion when the socket cover 16 is rotated from the open state to the closed state. Is guided in the direction of the outer peripheral edge of the opening 22.
Therefore, according to the lighting fixture 10, when the socket cover 16 is attached to the fixture main body 14 so as to cover the opening 22 in the closed state, the appearance of the socket cover 16 can be improved.

Moreover, according to the lighting fixture 10, the claw part 25 which comprises a guide part is formed in the socket stand 24. FIG.
Therefore, according to the lighting fixture 10, since the nail | claw part 25 can be shape | molded only by making a slight change to the socket stand 24, it can manufacture easily, without accompanying the structural change of the instrument main body 14 grade | etc.,.

(Second Embodiment)
Next, the lighting fixture of 2nd Embodiment which concerns on this invention is demonstrated.
Note that, in the following second embodiment, components that are the same as those in the first embodiment described above or components that are functionally similar are denoted by the same or corresponding reference numerals in the drawings, or the description is simplified. Omitted.

As shown in FIG. 11, the lighting fixture 30 according to the second embodiment of the present invention has a pair of protrusions formed such that the guide portion is inclined toward the outer peripheral inner edge of the opening 22 on the back surface of the socket 13. 31.
The protrusion 31 has an inclined surface 32 that is inclined toward the inner peripheral edge of the opening 22 when the socket base 24 is screwed to the instrument body 14.

  As shown in FIG. 12, when the socket cover 16 is in an open state, the upper end surface 26 of the back cover portion 20 is in contact with the inclined surface 32 of the projection portion 31, and the socket 13 and the base 12 of the straight tube lamp 11. To expose.

As shown in FIG. 13, in the socket cover 16, the lower cover portion 19 is pressed toward the instrument body 14 in the open state.
Thus, the socket cover 16 has the lower cover portion 19 and the rear cover portion 20 connected to the cap 13 of the socket 13 and the straight tube lamp 11 while the upper end surface 26 of the rear cover portion 20 is in sliding contact with the inclined surface 32 of the projection portion 31. Approach 12

As shown in FIG. 14, the socket cover 16 is configured such that the upper end surface 26 of the lower cover portion 19 is locked to the socket cover fixing spring 21 while the upper end surface 26 of the back cover portion 20 is slidably touched by the inclined surface 32 of the projection portion 31. As a result, the closed position is reached.
At this time, the socket cover 16 reaches the closed position while being guided in the direction of the inner peripheral edge of the opening 22 by the inclined surface 32 of the protrusion 31.
Therefore, the socket cover 16 is locked to the socket cover fixing spring 21 at the end of the instrument body 14 where the back cover portion 20 is farthest from the socket 13.
Therefore, the socket cover 16 is attached to the instrument body 14 by covering the opening 22 with the lower cover portion 19 and the back cover portion 20.

According to the luminaire 30 of the second embodiment, the guide portion is the projection portion 31 formed to be inclined toward the outer peripheral inner edge of the opening portion 22 on the back surface of the socket 13.
Therefore, according to the lighting fixture 30, since the projection part 31 can be shape | molded only by making a slight change to the socket stand 24, it can manufacture easily, without accompanying the structural change of the fixture main body 14 grade | etc.,.

  In addition, in the lighting fixture of the present invention, the straight tube lamp, the socket, the fixture main body and the like are not limited to the above-described embodiments, and appropriate modifications and improvements can be made.

DESCRIPTION OF SYMBOLS 10,30 Lighting fixture 11 Straight tube | pipe lamp 12 Base 13 Socket 14 Appliance main body 16 Socket cover 22 Opening part 25 Claw part (guide part)
31 Protruding part (guide part)

Claims (3)

A straight tube lamp,
A socket for holding the base of the straight tube lamp and supplying power to the straight tube lamp;
An instrument body to which the socket is attached;
A socket cover that is formed so as to cover a lower part of the socket, is inserted into an opening formed on the back side of the socket in the instrument body, is pivotally supported, and is held by the instrument body in a closed position;
A luminaire provided with a guide portion that guides the socket cover toward the outer peripheral inner edge of the opening as the socket cover is rotated from the open state to the closed state. The lighting fixture according to claim 1,
The lighting device, wherein the guide portion is a claw portion formed toward an outer peripheral inner edge of the opening portion on the back surface of the socket. The lighting fixture according to claim 1,
The lighting device, wherein the guide portion is a protrusion formed on the back surface of the socket so as to be inclined toward the inner peripheral edge of the opening.

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