JPS62229706A - Lighting fixture - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a lighting fixture equipped with a transparent panel on the irradiation aperture surface, for example, a guide light 2 equipped with a transparent panel for the purpose of guidance in an emergency. This relates to lighting equipment such as indicator lights.

BACKGROUND OF THE INVENTION Conventionally, there are various types of lighting fixtures that are equipped with a light-transmitting panel on the irradiation aperture surface, and structures for holding the light-transmitting panel include 1, for example, Japanese Utility Model Publication No. 56-61904, Japanese Utility Model Publication No. 58, There is one described in Japanese Patent No.-10249. In the device disclosed in Japanese Utility Model Publication No. 56-61904, a panel is held between a main body and a panel mounting frame, and the panel mounting frame is fixed to the main body by screws. Jitsuko 58
- The device described in Publication No. 10249 forms an upper fitting groove and a lower fitting groove integrally with the main body, inserts the upper edge and lower edge of the panel into these grooves, and inserts the upper edge and lower edge of the end cover into the groove. The panels are fixed using wedges.

Problems to be Solved by the Invention Various electrical parts are attached to the main body, but the problems disclosed in Japanese Utility Model Application Publication No. 56-61904 and Japanese Utility Model Publication No. 58-102
According to the lighting fixture described in Publication No. 49, the screws used for attaching the electrical parts appear on the outer peripheral surface of the main body, detracting from the appearance.

Furthermore, in the lighting equipment described in Japanese Utility Model Application Publication No. 56-61904, it takes time to attach and detach the panel, and it is not possible to easily replace the fluorescent lamp inside. The thickness of the lighting equipment increases,
Unable to meet demands for thinner products. Also, Jikko Sho 58-10
In the lighting equipment described in Publication No. 249, forming a deep groove for attaching the panel into the main body of the equipment by press working is not suitable for mass production due to the longevity of the mold, and there are manufacturing difficulties. It is difficult to apply in these cases.

The present invention was made in view of these points.

This improves the appearance by preventing the screws that attach electrical components from appearing on the outer surface, makes it easier to attach and detach panels, and achieves a thinner instrument body. An object of the present invention is to obtain a lighting fixture that can strengthen the structure of a pipe attachment part.

Means for Solving the Problems A rectangular inner frame having an upper frame and a lower frame is provided, and an upper surface plate that covers the upper surface of the upper frame;
A lower plate that covers the lower surface of the lower frame is fixed to the inner frame. A bent part is formed by bending the side edge along the longitudinal direction of the upper frame downward, and a bent part is formed by bending the side edge along the longitudinal direction of the top plate downward. An upper fitting groove is formed in between, and a bent part is formed by bending upward on the side edge along the longitudinal direction of the lower frame, and an upward fitting groove is formed on the side edge along the longitudinal direction of the lower plate. A lower fitting groove is formed between the bent portion and the bent portion formed by bending. Fit the upper edge of the panel into the upper fitting groove.

Attach the panel by fitting the lower edge of the panel into the lower fitting groove.

Various electrical components are attached to the inner frame, and the screws used for attachment are covered by the upper frame and the lower frame and are not exposed to the outside. By fixing the upper frame and the lower frame to the inner frame, an upper fitting groove and a lower fitting groove are formed, which is easier to manufacture than a structure in which the upper fitting groove and the lower fitting groove are integrally formed. Become. The panel is easily attached by fitting it into the upper and lower fitting grooves, thereby achieving a thinner instrument body. When used in a suspended state, the part that becomes the hanging pipe attachment part has a double structure of an upper frame and a lower frame, resulting in a strong structure.

Example An embodiment of the present invention will be described based on the drawings.

First, a rectangular inner frame 4 is formed by connecting an upper frame 1, a lower frame 2, and a pair of left and right side frames 3. Bent portions 5 bent downward are formed on both edges along the longitudinal direction of the upper frame 1, and bent portions 5 bent upward are formed on both edges along the longitudinal direction of the lower frame 2. A portion 6 is formed. An upper surface plate 7 that covers the upper surface of the upper frame 1 and a lower surface plate 8 that covers the lower surface of the lower frame 2 are fixed to the inner frame 4. A bent portion 9 bent downward is formed on both edges along the longitudinal direction of the top plate 7, and an upper fitting groove 10 is formed by this bent portion 9 and the bent portion 5. There is. Further, bent portions 11 bent upward are formed on both edges along the longitudinal direction of the lower plate 8, and the bent portions 11 are bent upward.
A lower fitting groove 12 is formed by the bent portion 6 and the bent portion 6 . The display panel 1 is a panel whose upper edge is fitted into the upper fitting groove 10 and whose lower edge is fitted into the lower fitting groove 12.
3 is attached to one side of the inner frame 4. In addition, on the other side of the inner frame 4, the upper end edge is provided with an upper fitting groove 1.
0, and a back plate 14 whose lower end edge is fitted into the lower fitting groove 12 is attached.

Next, a pair of side plates 17 consisting of an end plate 15 and a pair of upper and lower corner frames 16 are provided, and these side plates 17 are attached to cover the side frame 3. Side plate 1
7 is attached using the fitting piece 18 formed on the corner frame 16.
This is done by elastically fitting the holes 19 formed in the side frame 3. Further, bent portions 20 bent inward are provided at both side edges of the side frame 3.
are formed, and bent portions 21 bent inward are also formed on both side edges of the end plate 15, and the side edges of the display panel 13 are fitted with these bent portions 20.21. A side fitting groove 22 is formed.

A ballast 23, a terminal block 24, and an emergency lighting unit 25 are each fixed to the upper frame 1 by screws 26. The lower frame 2 includes an inspection switch 27.
and a battery 28 are fixed by screws 26, respectively. A lamp socket 29 and a glow socket 30 are fixed to the side frame 3 with screws 26. Further, there is a space of a certain width between the upper frame 1 and the upper plate 7, and a part of the upper frame 1 is punched upward and comes into contact with the upper plate 7. A mounting hole 32 is formed in the punched portion for mounting a hanging pipe 31 when used in a suspended state. Further, an opening 33 is formed in the center of the lower plate 8, an opening 34 is formed in the lower frame 2 at a position opposite to this opening 33, and a transparent plate 35 is fixed to cover the opening 34. There is.

In such a configuration, the outer periphery of the inner frame 4 is covered by the top plate 7, the bottom plate 8, and the side plates 17, and the screws 26 used to fix electrical components such as the ballast 23 and the terminal block 24 are It does not appear on the outside and improves the appearance. The upper fitting groove 10 and the lower fitting groove 12 are formed by fixing the upper plate 7 and the lower plate 8 to the inner frame 4.

The upper fitting groove 10 and the lower fitting groove 12 can be easily formed. Furthermore, by attaching the display panel 13 and the back plate 14, the width of the lighting equipment does not increase, and the demand for thinner lighting equipment can be met. In addition, for mounting the hanging pipe 31, the portion in which the hole 32 is formed has a double structure consisting of the top plate 7 and the top frame 1, so that sufficient strength can be obtained.

Display panel 1 for replacing fluorescent lamps (not shown), etc.
3, remove one side plate 17 and slide the display panel 13 slightly laterally toward the removed side plate 17 to fit the side edge of the display panel 13 into the side fitting groove 22.
protrude laterally from Next, the display panel 13 is pushed upward to remove the lower edge of the display panel 13 from the lower fitting groove 12, and then pulled out downward. Therefore, display panel 1
3 is easy to attach and detach, and fluorescent lamps can be easily replaced.

In this embodiment, the display panel 13 is attached only to one side of the inner frame 4. However, by attaching a display panel in place of the back plate 14, it can be used as a single-sided lighting device. I can do it.

Effects of the Invention The present invention provides an upper plate that covers the upper frame and a lower plate that covers the lower frame as described above, so that screws used for fixing electrical components to the upper frame or the lower frame can be attached to the upper plate. The upper fitting groove and the lower fitting groove are formed by fixing the upper plate and the lower plate to the inner frame. The upper and lower fitting grooves can be easily formed, and the panel can be held by forming the upper and lower fitting grooves, making it easy to attach and detach the panel. Since the upper part of the lighting fixture has a double structure of an upper frame and a top plate,
Attaching a hanging pipe when used for hanging has the effect of making the part a strong structure.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention; FIG. 1 is an exploded perspective view, FIG. 2 is an exploded perspective view showing a partially assembled state, and FIG. 3 is a perspective view showing an assembled state. FIG. 4 is a longitudinal side view. 1... Upper frame, 2... Lower frame, 4...
・Inner frame, 5... bending part, 6... bending part, 7.
...Top plate, 8...Bottom plate, 9...Bending part, 10.
... Upper fitting groove, 11... Bent part, 12... Lower fitting groove, 13... Display panel (panel)

Claims (1)

[Claims] An upper frame having a substantially U-shaped cross section with a downwardly bent portion formed on the side edge along the longitudinal direction, and an upwardly bent portion formed on the side edge along the longitudinal direction. A rectangular inner frame having a lower frame having a substantially U-shaped cross section is provided, and an upper surface plate that covers the upper surface of the upper frame and a lower surface plate that covers the lower surface of the lower frame are connected to the inner frame. a bent portion bent downward at a side edge along the longitudinal direction of the top plate, and an upper fitting between the bent portion and the bent portion of the upper frame. a groove is formed, and a bent part bent upward is formed on a side edge along the longitudinal direction of the lower plate, and a lower part is fitted between the bent part and the bent part of the lower frame. A lighting device characterized in that the panel is attached by forming a fitting groove, and fitting the upper edge of the panel into the upper fitting groove and fitting the lower edge of the panel into the lower fitting groove.