JP2572867B2 - lighting equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial application field) The present invention relates to, for example, mounting of a lighting device such as a guide light, a guide light, and an advertisement light installed on a ceiling such as an evacuation exit.

(Prior Art) As shown in FIG. 7, for example, a conventional luminaire of this type has a bolt insertion hole 2 formed on an upper surface of a device main body 1 and is fixed to a ceiling in the bolt insertion hole 2 and hangs down. The nut 3 is screwed into the bolt 3 that is inserted into the insertion hole 2 and protrudes into the instrument body 1 via a washer 5, and the instrument body 1 is attached to the ceiling surface. Have been.

Also, as shown in FIG. 8, the bolt 3 hanging from the ceiling is inserted into the through hole 7 of the mounting bracket 6, and the nut 4 is inserted through the washer 5 through the washer 5 through the mounting hole 6 through the washer 5. The nut 9 is screwed into the bolt 8 hanging from the mounting bracket 6, and is screwed into the bolt 8 from the large-diameter insertion hole 12 of the locking hole 11 formed on the upper surface of the instrument body 10. The bolt 8 is inserted through the nut 9 and moved to the groove-shaped locking hole 14 side (the left side in the figure) because the tool body 10 is continuous with the large-diameter insertion hole 12, so that the bolt 8 is inserted into the groove-shaped locking hole. 14, a structure is proposed in which the nut 9 is locked and locked to the lower peripheral edge of the locking hole 14, and in this state, the nut 9 is tightened to mount the instrument body 10 on the ceiling surface.

(Problems to be Solved by the Invention) In the luminaire having the structure shown in FIG. 7, the nut 4 must be tightened while supporting the luminaire. For example, a large-sized luminaire using a 40 W lamp has a large weight. It weighed more than 5 kg and it was difficult to do the installation work alone.

Further, in the lighting fixture having the structure shown in FIG. 8, the fixture can be temporarily fixed and then the nut 9 can be tightened and fixed. However, the mounting bracket 6 must not be attached to the ceiling surface in advance, and it is necessary to work above the ceiling. There was a problem with poor workability. Also the instrument body
The height between the upper edge and the upper edge of the front opening must be large enough to accommodate the terminal block, etc.
Guide lights are thinned, the thickness of the equipment is flattened to 50 mm or less, the gap between the front and rear surfaces of the equipment is sandwiched, and tools are inserted from the front opening of the equipment and When performing the work of tightening the nut 9 inside the upper surface of the tool body, there is not enough space to rotate the tool between the front and rear faces of the tool body 10, and a special tool is required to tighten the nut 9. There was a problem.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a lighting fixture which has good workability in attaching the fixture and can firmly attach the fixture.

(Means for Solving the Problems) The lighting fixture according to the first aspect of the present invention has a large-diameter insertion hole portion that has an opening formed at least in the front surface and a nut that is screwed into a support bolt on the upper surface. An appliance body formed with an insertion hole which is continuous with the insertion hole portion and is formed by a bolt insertion hole portion smaller than the outer diameter of the nut; a translucent panel fitted into an opening of the appliance body; And a lamp for irradiating the panel. The mounting member is attached to the inside of the upper surface of the instrument body, and the attaching member has a substantially U-shaped cross section having both side plate portions whose front edges contact the inside of the upper surface of the instrument body. A large-diameter insertion portion having substantially the same shape facing the insertion hole of the appliance body and having a locking hole continuous with the large-diameter insertion portion and locking the nut at a peripheral portion. It has a stop hole.

A lighting device according to a second aspect of the present invention is the lighting device according to the first aspect, wherein a reinforcing edge is formed downward around the large-diameter insertion portion of the locking hole of the mounting member.

According to a third aspect of the present invention, there is provided the lighting device according to the first or second aspect, wherein the locking hole of the mounting member has a locking hole at a central portion and is provided on both sides of the locking hole. The large-diameter insertion portions are continuously formed in a symmetric shape.

(Operation) The lighting fixture according to claim 1, wherein a mounting member is fixed to the inside of the upper surface of the fixture main body, and a bolt hanging down from the ceiling has a large-diameter insertion hole formed in the upper surface of the fixture main body. When the instrument is moved sideways in this state, the bolts are positioned in the bolt insertion hole of the insertion hole of the instrument body and the engagement hole of the attachment member. And
The nut screwed to the bolt is locked to the lower peripheral edge of the locking hole of the mounting member, and the device main body is temporarily held. By tightening the nut in this state, the instrument body can be mounted on the ceiling surface. When the nut is tightened, the mounting member having a substantially U-shaped cross section is elastically deformed, and the nut does not loosen due to vibration or the like.

Also, when tightening this nut, the nut will be tightened on the lower surface of the mounting member, and the nut can be tightened near the front opening of the instrument body, without using a special tool, The nut can be tightened.

In the lighting fixture according to the second aspect of the present invention, the lighting fixture is laterally inserted from the large-diameter insertion hole formed in the upper surface of the fixture body to the large-diameter insertion part of the locking hole of the mounting member. When the bolt is positioned in the bolt insertion hole of the insertion hole of the instrument body and the locking hole of the mounting member, the nut screwed to the bolt engages the lower peripheral edge of the locking hole of the mounting member. Is stopped. In this state, the nut is engaged with the reinforcing edge, and the bolt is prevented from moving toward the large-diameter insertion portion side of the locking hole of the mounting member, and the nut is engaged with the locking hole of the locking hole of the mounting member. It is held in a stopped state, and the instrument body can be securely attached.

In the lighting apparatus according to the third aspect of the present invention, since the mounting member has the large-diameter insertion portions continuously formed symmetrically on both sides of the central locking hole, the mounting member has a mounting direction. And the mounting of the mounting member is facilitated.

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

Reference numeral 20 denotes a lighting device, for example, a guide light device main body, and upper and lower ends are fixed to both ends of the substantially U-shaped upper and lower frame members 21 and 22 by screws 23 with screws 23 respectively. End plate member 24
The front and rear surfaces are formed in a substantially square shape with an opening 20a opened, and a lighting device 25 and a ballast 26 are attached to the end plate members 24 on both sides, respectively. Covering covers 27 are respectively fitted to the end plate members 24, and screws 28
At the end plate member 24.

Further, the upper and lower frame members 21 and 22 are formed with grooves 31 for engaging and holding the translucent panel 29 and the back plate 30 along the edges, respectively.

Further, a pair of opposed lamp sockets 33 are attached to the inside of the end plate member 24, and both of the lamp sockets 33 are opposed to the panel 29.
Is fixed.

In addition, a terminal block 35 for connecting a power cord is attached to the upper side of the upper frame member 21 of the appliance body 20.

Further, on the upper surface of the upper frame member 21 of the instrument main body 20, a large-diameter insertion hole portion 42 through which a nut 41 screwed to a support bolt 40 suspended from the ceiling is inserted, and the nut is connected to the insertion hole portion 42. An insertion hole 44 composed of a bolt insertion hole 43 narrower than the outer diameter of 41, an insertion hole 46 of the suspension pipe 45, a power cord insertion hole 47, and a mounting hole 48 are formed.

Reference numeral 50 denotes an attachment member formed of a metal plate attached to the inside of the upper surface of the instrument body 20, and the attachment member 50 is a plate on both sides of which the front edge contacts the inside of the upper surface of the instrument body 20.
51 is formed in a substantially U-shaped cross section. The attachment member 50 is formed with left and right large-diameter insertion portions 52 of substantially the same shape facing the insertion hole 44 of the instrument body 20, and between the large-diameter insertion portions 52. Locking holes connected to 52
A locking hole 54 having 53 is formed. Further, the mounting member 50 is formed with a mounting hole 48a facing the mounting hole 48 of the appliance main body 20, and a pipe mounting hole 55 facing the insertion hole 46 of the hanging pipe 45 of the appliance main body 20. Are formed.

Then, the bolt 57 inserted through the insertion hole 48 of the appliance body 20 is inserted into the mounting hole 48a of the mounting member 50 in which the top edges of the both side plate portions 51 abut on the upper surface inside, and the bolt 57 protruding from the mounting hole 55 is inserted. Then, the mounting member 50 is mounted on the instrument body 20 by screwing a nut 58 into the device body 20.

A reinforcing edge 59 is formed upright around the large-diameter insertion portion 52 of the locking hole 54 of the mounting member 50.

 Next, the operation of this embodiment will be described.

Attach the mounting members 50 at symmetrical positions on the inner side of the upper surface of the instrument body 20 with the power cord insertion hole 47 interposed
Then, a nut 58 is screwed and fixed to a bolt 57 inserted into the mounting hole 55. Then, the bolt 40 hanging from the ceiling is inserted into the large-diameter insertion hole portion of the insertion hole 44 fixed to the upper surface of the instrument body 20.
When the tool main body 20 is moved from the large-diameter insertion portion 52 to the side of the bolt insertion hole portion 43 continuous from the large-diameter insertion portion 52 in this state, the tool body 20 is laterally inserted from the large-diameter insertion portion 52 of the locking hole 54 of the mounting member 50 from 42. The bolt 40 is located in the bolt insertion hole 43 of the insertion hole 44 of the instrument body 20 and the locking hole 53 of the locking hole 54 of the mounting member 50, and the nut 41 screwed to the bolt 40 is screwed to the bolt 40. The nut 41 is removed from the lower edge of the reinforcing edge 59 protruding around the large-diameter insertion portion 52 of the locking hole 54 of the mounting member 50, and the nut 41 screwed to the bolt 40 is The device main body 20 is temporarily held by being locked to the lower peripheral edge of the device 53. In this state, the nut 41 is locked to the reinforcing edge 59 of the large-diameter insertion portion 52, and the bolt 40 is prevented from moving toward the large-diameter insertion portion 52.

Then, by tightening the nut 41, the device body 20 is tightened.
Is directly attached to the ceiling surface 60 as shown in FIG. When the nut 41 is tightened, the mounting member 50 having a substantially U-shaped cross section is elastically deformed, and the nut 41 is not loosened due to vibration or the like.

Note that when tightening the nut 41, the nut 41 becomes possible to perform the tightening operation on the lower surface of the mounting member 50, as shown in FIG. 4, the attachment member 50 has a height H _1, the instrument body
Can perform tightening of the nut 41 in the vicinity of the front opening 20a of 20, the cross-sectional width dimension D ₁ of the range of the instrument body 20 shown in FIG. 3, i.e., the interval of the pinching portion 62 enters the tool 61 instrument If it can be secured between the front and rear surfaces 21a, 21b of the frame member 21 of the main body 20, the nut 41 can be tightened with the tool 61. That is, the front and rear face portions 21a of the frame member 21 than the length L ₂ of the pinching portion 62 of the tool 61,
The height of 21b H ₂ is high, the width D ₂ of the grip portion 63 is front and rear surface portions 21a, 21b
Larger than distance D ₁ of the between, portions of up to grip portion 63 of the tool 61
Since L ₃ does not enter between the front and rear surface portions 21a, 21b, the nut 41
The no longer be grasped, but it is impossible to tighten the nut 41, the mounting member 50 has a height H _1, since the clamping position of the nut 41 is near the opening 20a, the cross-sectional dimensions of the equipment main body 20 D ₁ The nut can be tightened with the tool 61 using the range of the above.

The upper frame member 21 of the instrument body 20 is attached to the mounting member 50.
The cord 64, which is reinforced by and is wired inside, can be held by the attachment member 50 to prevent it from sagging.

Further, since the locking hole 54 of the mounting member 50 has a symmetrical shape in the left and right direction, when mounting it on the inner side of the upper surface of the instrument main body 20, there is no directionality, and it can be mounted at any position on the left and right without considering the direction. it can.

When the instrument body 20 is supported by the pipe 70 as shown in FIG. 6, the instrument body 20 is suspended from the ceiling through a pipe insertion hole 46 formed in the upper frame member 21 of the instrument body 20 as shown in FIG. The pipe 70 is inserted, the pipe 70 is inserted into the mounting hole 55 of the mounting member 50, and the nut 72 screwed to the lower end thread portion 71 of the pipe 70 is inserted through the washer 73 into the upper frame member.
21 is engaged around the upper surface of the pipe insertion hole 46 of the pipe 21, and a nut 74 is screwed and fastened to a screw portion 71 protruding from the mounting hole 55 of the mounting member 50 of the pipe 70, so that the instrument body 20 is connected to the pipe 70.
Hanging support to 70. In this state, the pipe 70 is inserted through the pipe insertion hole 46 of the upper frame member 21 and the mounting hole 55 of the mounting member 50, and is further tightened and held by the nuts 72 and 74 in the vertical position, and is vertically held by the pipe 70. You.

(Effect of the Invention) According to the invention as set forth in claim 1, the attachment member attached to the inside of the upper surface of the instrument body has both side plate portions whose front edges contact the inside of the upper surface of the instrument body and faces the insertion hole of the instrument body. A large-diameter insertion portion having substantially the same shape and a locking hole which is continuous with the large-diameter insertion portion and has a locking hole for locking the nut at the peripheral portion are formed. The bolts hanging down from the ceiling are inserted into the large-diameter insertion hole of the insertion hole fixed to the upper surface of the instrument body, and inserted into the large-diameter insertion hole of the locking hole of the mounting member. In this state, the appliance is moved to the side, and the nut screwed into the bolt insertion hole of the insertion hole of the appliance main body and the bolt located in the engagement hole of the attachment member is located below the engagement hole of the attachment member. The instrument main body can be temporarily fixed and held by being locked to the side peripheral edge. By tightening the unit, the instrument body can be attached to the ceiling surface, and the instrument body can be easily attached. When the nut is tightened, the mounting member having a substantially U-shaped cross section is elastically deformed, and the nut does not loosen due to vibration or the like. Furthermore, when tightening this nut,
The nut must be tightened on the lower surface of the mounting member, and the nut can be tightened near the front opening of the instrument body. Tightening can be performed, and furthermore, the mounting member can reinforce the reduction in the strength of the instrument body due to the thinning of the instrument, and the attaching member can be used for supporting the wiring cord in the instrument, and the cord can be used. The shadow can be prevented from being generated due to the drooping, and the wiring process of the code becomes easy.

According to the invention described in claim 2, the instrument is laterally inserted from the large-diameter insertion hole portion of the insertion hole formed on the upper surface of the instrument body to the large-diameter insertion portion of the locking hole of the mounting member. The bolt was moved so that the bolt was positioned in the bolt insertion hole of the insertion hole of the instrument body and the locking hole of the mounting member, and the nut screwed to the bolt was locked to the lower peripheral edge of the locking hole of the mounting member. In this state, the nut is engaged with the reinforcing edge, so that the bolt is prevented from moving toward the large-diameter insertion portion side of the locking hole of the mounting member, and the nut is locked in the locking hole of the locking hole of the mounting member. In this state, the instrument body can be securely attached.

According to the third aspect of the present invention, the locking hole of the mounting member has a locking hole formed in the center portion and the large-diameter insertion portions are continuously formed symmetrically on both sides of the locking hole. In the case where the support is provided on the left and right sides of the upper surface of the device main body, the mounting member has no directionality and can be mounted on either the left or right side, thereby improving the workability of mounting the mounting member.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a lighting fixture showing one embodiment of the present invention, FIG. 2 is a perspective view of an upper part of the lighting fixture main body, FIG. 3 is a vertical sectional view of the same, FIG. FIG. 5 is a front view showing the directly mounted state, FIG. 6 is a front view showing the suspended supporting state, and FIGS. 7 and 8 are exploded perspective views of the upper portions of different conventional lighting fixtures. 20 ... instrument body, 20a ... opening, 29 ... panel, 34 ...
... Lamp, 40 ... Support bolt, 41 ... Nut, 42 ... Large diameter insertion hole, 43 ... Bolt insertion hole, 44 ... Insertion hole, 50
…… Attaching member, 51 …… Side plate part, 52 …… Large-diameter insertion part, 53
… Lock hole, 54… Lock hole, 59… Reinforcement edge.

Claims (3)

(57) [Claims] An opening formed in at least a front surface thereof, and a large-diameter insertion hole through which a nut screwed to a support bolt is inserted on an upper surface; and a bolt inserted through the insertion hole and having a diameter smaller than the outer diameter of the nut. An instrument body having an insertion hole formed of a hole,
A light-transmitting panel fitted into an opening of the device main body; and a lamp mounted on the device main body and irradiating the panel. A mounting member is mounted inside an upper surface of the device main body. A large-diameter insertion portion having a substantially U-shaped cross-section having both side plates on which the leading edge contacts the inside of the upper surface of the appliance main body and having substantially the same shape facing the insertion hole of the appliance main body, and the large-diameter insertion portion A lighting device, wherein a locking hole is formed which has a locking hole portion which is continuous with the nut and locks the nut at a peripheral portion. 2. The lighting fixture according to claim 1, wherein a reinforcing edge is formed downward around the large-diameter insertion portion of the locking hole of the mounting member. 3. A locking hole of a mounting member, wherein a locking hole is formed at a central portion, and large-diameter insertion portions are continuously formed symmetrically on both sides of the locking hole. The lighting fixture according to 1 or 2.