JPH03257707A - lighting equipment - 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 [Object of the Invention] (Industrial Application Field) The present invention relates to the installation of lighting equipment such as guide lights, indoor lights, and advertising lights installed on the ceiling of evacuation exits, etc., for example.

(Prior Art) As shown in FIG. 7, a conventional lighting fixture of this type has a bolt insertion hole 2 formed on the upper surface of the fixture body 1, and is fixed to the ceiling through the bolt insertion hole 2 and is suspended downward. bolt 3
A structure is adopted in which a nut 4 is screwed onto a bolt 3 which is inserted through the insertion hole 2 and projected into the instrument body 1 via a washer 5, and the instrument body 1 is attached to the ceiling surface.

Further, as shown in FIG. 4, the bolt 3 hanging from the ceiling is inserted into the insertion hole 7 of the metal fitting 6, and from this insertion hole 7, the nut 4 is inserted into the bolt 3 that has passed through the metal fitting 6 via the washer 5. This installation is done using the bolt 8 hanging from the metal fitting 6.
The nut 9 screwed onto the bolt 8 is inserted through the large-diameter insertion hole 12 of the locking hole 11 formed on the upper surface of the instrument main body 1G, and the instrument main body 10 is moved to the left side in the figure. By moving the bolt 8, the bolt 8 is positioned in the groove-shaped locking hole 14 that is continuous with the large-diameter insertion portion 12, and the nut 9 is temporarily locked by locking the lower periphery of the locking hole 14. A structure has been proposed in which the device main body 1 is attached to a ceiling surface by tightening a nut 9 in this state.

(Problems to be Solved by the Invention) In the lighting device having the structure shown in FIG. 7, the nut 4 must be tightened while supporting the device. 5 kg or more,
-It was difficult to install it manually.

In addition, with the lighting fixture having the structure shown in Fig. 8, the fixture can be temporarily secured and then tightened with the nut 9, but the fixture 6 must be attached to the ceiling surface in advance, making it difficult to work above the ceiling. Therefore, there was a problem with poor workability. Also, the device body 1
0, the height from the upper edge of the front opening to the top surface needs to be high enough to accommodate terminal blocks, etc. In recent years, guide lights etc. have been made thinner, and the thickness of the equipment has increased. The length is flattened to 5hm or less, and the distance between the front and rear surfaces of the instrument body is narrowed, so it is impossible to insert the tool from the front opening of the instrument and tighten the nut 9 on the inner side of the upper surface of the instrument body. When carrying out the work, there was a problem in that there was not enough space between the front and rear surfaces of the instrument body 1 to rotate the tool, and a special tool was required to tighten the nut 9.

The present invention has been made in view of the above-mentioned problems, and it is an object of the present invention to provide a lighting fixture with good workability for mounting the fixture.

[Structure of the invention]

(Means for Solving the Problems) The lighting device of the invention according to claim 1 has an opening formed at least on the front surface and a large diameter insertion hole portion on the upper surface through which a nut screwed onto a support bolt is inserted. an instrument body having an insertion hole formed therein and a bolt insertion hole continuous with the insertion hole and narrower than the outer diameter of the nut; a translucent panel fitted into the opening of the instrument body; and the instrument body. a lamp attached to the panel to illuminate the panel; a member is attached to the inside of the top surface of the device body; A locking hole is formed opposite to the insertion hole and having a large-diameter insertion portion of substantially the same shape and a locking hole portion that is continuous with the large-diameter insertion portion and locks the nut at the peripheral edge.

The lighting device according to claim 2 is the lighting device according to claim 1, in which the locking hole of the member has a locking hole in the center and has a symmetrical shape on both sides of the locking hole. Large-diameter insertion portions are formed one after the other.

(Function) In the lighting fixture according to claim 1, the member is fixed in contact with the inside of the top surface of the fixture body, and the bolt hanging down from the ceiling is inserted into the large diameter insertion hole of the insertion hole fixed to the top surface of the fixture body. For installation, insert the bolt into the large-diameter insertion part of the locking hole of the fitting, and in this state, if you move the device sideways, the bolt will fit between the bolt insertion hole of the insertion hole of the device body and the locking hole of the fitting. A nut screwed onto the bolt is secured to the lower periphery of the locking hole of the member, and the instrument body is temporarily held.

By tightening the nut in this state, the device body can be attached to the ceiling surface. When tightening this nut, the nut must be tightened on the underside of the component, and the nut can be tightened near the front opening of the device body, using a special tool. Nuts can be tightened without any trouble.

In the lighting fixture according to claim 2, since the mounting member has large diameter insertion portions continuously formed in a symmetrical shape on both sides of the locking hole portion in the center, the mounting member can be mounted in a direction. This makes it easier to attach the parts.

(Example) The configuration of an embodiment of the present invention will be described with reference to the drawings.

Reference numeral 20 denotes a main body of a lighting device, for example, a guide light device, which has a substantially U-shaped upper and lower frame member 21.22, and ends that are fixed to both ends of both frame members 21.22 with screws 23 and screws 32, respectively. The plate member 24 is formed into a substantially mouth shape with an opening 201 on the front and rear sides, and a lighting device 25 and a ballast 26 are respectively attached to the end plate members 24 on both sides. Covers 27 that cover the containers 26 are fitted onto the end plate members 24, respectively, and are fixed to the end plate members 24 with screws 28.

Further, the upper and lower frame members 21 and 22 have groove portions 3 along the edges that engage and hold the translucent panel 29 and the back plate 30.
1 are formed respectively.

Furthermore, a pair of opposing lamp sockets 33 are attached to the inside of the end plate member 24, and both lamp sockets 33 are provided with straight tube fluorescent lamps that face the panel 29 and illuminate the panel 29. 34 is fixed.

Further, a terminal block 35 to which a power cord is connected is attached to the upper inner side of the upper frame member 21 of the instrument main body 20.

Further, on the upper surface of the upper frame member 21 of the device main body 20, there is a nut 4 screwed onto a support bolt 40 hanging from the ceiling.
a large-diameter insertion hole 42 through which the bolt 1 is inserted, and a bolt insertion hole 4 that is continuous with the insertion hole 42 and is narrower than the outer diameter of the nut 41.
3, an insertion hole 46 for a suspension/give 45, a power cord insertion hole 47, and a mounting hole 48 are formed.

Further, reference numeral 50 denotes a mounting member that is attached to the inside of the upper surface of the instrument main body 20;
It is formed into a substantially U-shaped cross section with both side plate portions 51 whose front edges abut on the inner side of the upper surface of the 0. For this attachment, large-diameter insertion portions 52 of substantially the same shape are formed on the left and right sides of the member 50, facing the insertion hole 44 of the instrument main body 20, and between the two large-diameter insertion portions 52, the two large-diameter insertion portions 52 are formed. A locking hole 54 having a locking hole portion 53 continuous to 52 is formed. Furthermore, in this installation, the member 50 has an insertion hole 46 for the hanging pipe 45.
A hole 55 is formed opposite to the hole 55 for attaching the pipe.

The bolt 57 inserted through the insertion hole 48 of the instrument main body 20 is attached to the inside of the upper surface by contacting the tip edges of the side plate portions 51, and the member 50 is attached by inserting the bolt 57 into the hole 55, and the bolt 57 protrudes from the hole 55. The member 50 is attached to the instrument main body 20 by screwing and tightening the nut 58 onto the bolt 57.

In addition, in the mounting of the member 50, a reinforcing edge 59 is formed upright around the large-diameter insertion portion 52 of the hole 55.

Next, the operation of this embodiment will be explained.

Attach members 50 at symmetrical positions across the power cord insertion hole 47 on the inside of the upper surface of the appliance main body 20, and fix with bolts 57 and nuts 58, and bolts 4 hanging from the ceiling.
0 through the large-diameter insertion hole 42 of the insertion hole 44 fixed to the top surface of the instrument body 20, and insert it into the large-diameter insertion hole 52 of the locking hole 54 of the metal fitting 50, and in this state, hold the instrument body 20 to the side. When the bolt 40 is moved toward the insertion hole 4 of the instrument body 20,
The bolt insertion hole 43 of No. 4 and the locking hole 54 of the metal fitting 50 are used for mounting.
The nut 41, which is located in the locking hole 53 and screwed onto the bolt 40, is locked to the lower periphery of the locking hole 53 of the member 50, and the instrument body 50 is temporarily held. In this state,
The nut 41 is prevented from moving toward the large diameter insertion portion 52 by the reinforcing edge 59 of the large diameter insertion portion 52 . And Natsu 41
By tightening, the appliance main body 20 is directly attached to the ceiling surface 60, as shown in FIG. And this Natsu 4
1, the nut 41 must be tightened on the bottom surface of the member 50, as shown in FIG.
For mounting, the member 50 has a height H, the nut 41 can be tightened near the front opening 202 of the instrument body 20, and the cross-sectional dimensions of the instrument body 20 shown in FIG.
In other words, the nut 41 can be tightened with the tool 61 as long as the space between the front and rear surfaces 21a and 21b of the frame member 21 of the instrument main body 2θ is secured so that the clamping portion 62 of the tool 61 can fit therein.

That is, in the tool 61, the height H2 of the front and rear surfaces 21a and 21b of the frame member 21 is greater than the length L2 of the sandwiching portion 62, and the width D2 of the gripping portion 63 is greater than the distance D1 between the front and rear surfaces 21a and 2Ib. Since the part of the tool 61 up to the grip part 63 does not fit between the front and rear surfaces 21g and 21b, the nut 41 cannot be gripped and the nut 41 cannot be tightened. 11
Since the nut 41 is tightened in the vicinity of the open part 20, the nut 41 can be tightened using the tool 61 within the range of the cross-sectional dimension of the instrument body 20.

The upper frame member 21 of the instrument main body 20 is reinforced with the mounting member 50, and the cord 64 wired inside can be held by the mounting member 50 to prevent it from hanging down.

In addition, since the locking hole 54 of the member 5G has a symmetrical shape, there is no directionality when installing it on the inside of the upper surface of the instrument main body 20, and it can be installed in either the left or right position without considering the orientation. can.

In addition, as shown in FIG. 6, when supporting the device body 20 with the vibro 0, the vibro 0 suspended from the ceiling is inserted through the pipe insertion hole 46 formed in the upper frame member 21 of the device body 20. Then, install this Vibro 0 using member 5.
0 is inserted into the hole 55, and the nut 62 screwed onto the lower end threaded portion 61 of this vibro 0 is engaged with the upper surface of the pipe insertion hole 46 of the upper frame member 21 via the washer 63, and then the vibro 0 is attached to the member 5°, and a nut 64 is screwed onto the threaded portion 61 protruding from the hole 55 and tightened to suspend and support the instrument main body 2o from the vibro O. In this state, the Vibro 0 is inserted into the pipe insertion hole 46 of the upper frame member 21 and the mounting hole 55 of the mounting member 50, and is held tightened with the nuts 61 and 62 in the vertical position, so that the Vibro 0 is vertically inserted. It is held at 0.

〔Effect of the invention〕

According to the invention set forth in claim 1, the mounting member is attached to the inside of the upper surface of the instrument body, and the member has both side plate portions that abut the inner side of the upper surface of the instrument body, and faces the insertion hole of the instrument body. Since we formed a locking hole having a large-diameter insertion portion of approximately the same shape and a locking hole portion that is continuous with the large-diameter insertion portion and locks the nut at the peripheral edge, it is possible to attach the nut to the inside of the upper surface of the device body. For installation, insert the bolt hanging from the ceiling from the large diameter insertion hole of the insertion hole fixed on the top surface of the device body into the large diameter insertion hole of the locking hole of the fitting, and in this state insert the bolt hanging from the ceiling into the large diameter insertion hole of the locking hole of the fitting. The bolt insertion hole of the insertion hole of the instrument body and the nut screwed into the bolt located in the locking hole of the fitting are engaged with the lower periphery of the locking hole of the mounting member. stopped,
The main body of the device can be temporarily held, and by tightening the nut in this state, the main body of the device can be attached to the ceiling surface, and the main body of the device can be easily attached.

In addition, when tightening this nut, the nut must be attached to the bottom of the member, and the nut can be tightened near the front opening of the device body, making it thinner. Nuts can be tightened without using special tools in the case of instruments.Furthermore, this attachment can strengthen the strength of the instrument body due to thinning of the instrument by using members, and this attachment can also be used to It can also be used to support wiring cords inside appliances, prevent shadows caused by hanging cords, and facilitate cord wiring.

According to the invention set forth in claim 2, the attachment of the member is achieved by forming a locking hole in the center of the member and continuously forming large diameter insertion portions in a symmetrical shape on both sides of the locking hole. When the device is supported on the left and right sides of the upper surface of the instrument body, there is no directionality of the member for attachment, and it can be attached to either the left or right, and the workability of the attachment of the member is improved.

[Brief explanation of drawings]

Fig. 1 is an exploded perspective view of a lighting fixture showing an embodiment of the present invention, Fig. 2 is a perspective view of the upper part of the main body of the above equipment, Fig. 3 is a vertical sectional view of the above, Fig. 4 is an explanatory front view of the above, FIG. 5 is a front view showing the above-described directly attached state, FIG. 6 is a front view showing the above-mentioned hanging support state, and FIGS. 7 and 8 are exploded perspective views of the upper part of different conventional lighting fixtures. 20...The equipment itself, 20! - Opening, 29... Panel, 34... Lamp, 40... Support bolt, 4 nuts, 42... Large diameter insertion hole, 43... Bolt insertion hole,
44...Insertion hole, 50...Member for installation, 51. Side plate part,
52: Large diameter insertion portion, 53: Locking hole portion, 54: Locking hole. l-nl-1

Claims (2)

[Claims] (1) A large-diameter insertion hole with an opening formed on at least the front surface and a large-diameter insertion hole for inserting a nut screwed onto a support bolt on the upper surface, and a bolt insertion hole that is continuous with this insertion hole and is narrower than the outer diameter of the nut. A device body having an insertion hole formed therein, a translucent panel fitted into the opening of the device body, and a lamp attached to the device body and irradiating the panel,
A mounting member is attached to the inner side of the upper surface of the instrument body, and the mounting member has both side plate portions that contact the inner upper surface of the instrument body, and a large diameter insertion portion having substantially the same shape and facing the insertion hole of the instrument body. A lighting device characterized in that a locking hole is formed that is continuous with the large-diameter insertion portion and has a locking hole portion that locks the nut at its peripheral edge. (2) According to claim 1, the locking hole of the mounting member has a locking hole portion formed in the center, and large-diameter insertion portions continuously formed in a symmetrical shape on both sides of the locking hole portion. Lighting equipment as described.