JPH09115315A - Luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a luminaire capable of easy mounting work. SOLUTION: A mounting part 3 of a lighting fixture 1 has a cut-out hole 6 in which the width of an opening 5 is narrower than an inner direction at a plate part 4, and a mounted part 7 of a support body 2 has a laminate part 4, has a protrusion part 9 with its width formed wider than that of the opening 5 can be engagingly fitted to the cut-out hole 6, has a narrower thin width part 10 than the width of the opening 5, and has a nut hitting part 13 on more tip end side than the thin width part of the protrusion part 9. A thumb screw 12 penetrating at the position of more tip end than the protrusion part 9 of the laminate part 4 is provided so as to have a smaller external diameter than the width of the opening 5 so that the head part thereof is positioned on an opposite side to the protrusion part 9, and a nut 11 with its width wider than that of the cut-out hole 6 spirally fitted to the tip end of this thumb screw 12 is provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting fixture.

[0002]

2. Description of the Related Art A conventional example is shown in FIGS. In FIG. 17, 51 is a lamp having a fluorescent lamp 51a,
Reference numeral 63 is a support body such as a suspension, and 90 is an incandescent lamp mounted in a lamp socket provided in the support body 63. That is, this luminaire includes fluorescent lamps 5 arranged in a grid pattern on the ceiling surface.
The lamp 51 of 1a is arranged, and the incandescent lamp 9 is located at the intersection.
0 is arranged.

18 and 19 show a connecting structure of a lamp 51 and a support 63. That is, the lamp 51
Has a cylindrical shape having a light transmitting portion 62 on its peripheral surface and has mounting portions 52 at both ends. Further, the support body 63 has an attached portion 53 to which the attaching portion 52 is attached. The mounting portion 52 has a plate portion 55, and the plate portion 55 has a cutout hole 57 in which the width of the opening 56 is narrower than that of the inside. Further, the attached portion 53 has an overlapping portion 58 that overlaps the horizontal plate portion 55, and a protruding portion 59 that is formed wider than the width of the opening 56 and that can be fitted into the cutout hole 57 is overlapped.
8 and has an outer diameter smaller than the width of the opening 56 so that the head portion is located on the opposite side of the protrusion 59.
The thumbscrew 6 that penetrates closer to the tip than the projection 59 of 8
No. 1 is provided, and a nut 60 having a wider width than the notch hole 57 screwed into the tip of the thumb screw 61 is provided.

This luminaire is as shown by the arrow in FIG.
While passing the thumbscrew 61 through the opening 56 of the plate portion 55,
The gap 62 between the nut 60 and the protrusion 59 is passed through the plate 55, and the protrusion 59 is fitted into the cutout hole 57. As a result, the protrusion 59 is hooked in the notch hole 57, the thumbscrew 61 is screwed in, and the nut 60 is lowered from the imaginary line in FIG. It is fastened and joined to the portion 55.

[0005]

However, in this luminaire, it is necessary to lift the thumbscrew 61 in order to provide the clearance 62 between the projection 59 and the nut 60, and therefore, when tightening the nut 60, the thumbscrew 61 must be lifted. If the nut 60 is not rotated while being pulled downward, the nut 60 will idle and the workability of mounting will deteriorate.

Therefore, an object of the present invention is to provide a lighting device including a lamp having a cylindrical shape having a light transmitting portion on its peripheral surface and having mounting portions at both ends thereof, and a support having a mounting portion for mounting the mounting portion. In order to provide a lighting fixture that can be easily mounted.

[0007]

According to a first aspect of the present invention, there is provided a lighting apparatus comprising:
A lamp having a cylindrical shape having a light-transmitting portion on its peripheral surface and having mounting portions at both ends, and a support having a mounted portion to which the mounting portion is mounted, the mounting portion having a plate portion, and an opening. Is to have a cutout hole in the plate portion having a width narrower than inward, the attached portion has a lap portion overlapping the plate portion,
The protrusion has a width wider than the width of the opening and can be fitted into the cutout hole, and the protrusion has a narrow portion narrower than the width of the opening. Of the overlapping portion having a nut contact portion closer to the tip side than the narrow portion, and having an outer diameter smaller than the width of the opening so that the head portion is located on the opposite side to the protrusion portion. A thumbscrew is provided at a position closer to the tip than the protrusion, and a nut wider than the cutout hole screwed to the tip of the thumbscrew is provided.

According to the lighting apparatus of the first aspect, the thumb screw and the narrow portion of the protrusion are passed through the opening of the cutout hole, and the thumb screw is rotated to tighten the nut to fix the overlapping portion to the plate portion. In this case, the nut is moved closer to the nut contact part side than the narrow part of the protrusion and is inserted into the opening of the cutout hole together with the narrow part, but when the nut is tightened, the nut locks on the nut contact part. It is possible to prevent the nut from idling. Therefore, the mounting work can be facilitated.

According to a second aspect of the present invention, there is provided a lighting device comprising: a lamp having a cylindrical shape having a light transmitting portion on its peripheral surface and having mounting portions at both ends; and a support having a mounting portion to which the mounting portion is mounted. The support has an attaching member, an upper cover attached to the attaching member, the attached portion, a pair of parallel slits, and a protrusion at an inner edge portion of the pair of slits. An attachment plate attached to the attachment member via an upper cover, a hook having a substantially U shape in which a hook claw elastically hooked to the projection through the slit from the side opposite to the projection is bent inward, and the hook. And a lower cover attached to the lower end of the.

According to the lighting device of the second aspect, the upper cover and the mounting plate are mounted on the mounting member of the support, the hooking claws at both ends of the hooking tool are pushed into the slits of the mounting plate, and the protrusions of the mounting plate are elastically engaged. Stop and attach the lower cover to the lower end of this hook. In this case, by pushing the hooking claw of the hooking tool into the slit, the hooking claw can be easily and reliably elastically locked to the protrusion, so that the mounting work can be facilitated and the hooking tool can be easily removed. .

According to a third aspect of the present invention, there is provided a lighting fixture including: a lamp having a cylindrical shape having a light transmitting portion on a peripheral surface thereof and having mounting portions at both ends thereof; and a support having a mounting portion to which the mounting portion is mounted. The lamp has a flat plate-shaped component mounting member having connecting portions on both sides, and a pair of outer portions forming a tubular outer shape having the light transmitting portion, which has a connected portion detachably connected to the connecting portion. It is characterized by comprising a shell member.

According to the lighting device of the third aspect, the lamp is constructed by connecting the components such as the ballast and the lamp socket to the plate-shaped component mounting portion and connecting the connected portion of the outer shell member to the connecting portion of the component mounting member. To form. In this case, compared to the case where the component mounting member and the outer shell member are integrally formed, it is not necessary to insert and mount the component from the end of the component mounting member, so that the component mounting becomes easy and the assembling workability is improved. improves. Further, since the volume is reduced by dividing the component mounting member and the outer shell member, it becomes easy to store the component. Further, when a plurality of connected portions are provided, the width of the light-transmitting portion formed by the outer shell member is changed by the connected portions connected to the connecting portion, so that the layout can be changed.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of the present invention will be described with reference to FIGS. That is, this lighting fixture includes the lamp 1 and the support 2. The lamp 1 has a cylindrical shape having a light transmitting portion (not shown) on its peripheral surface, and has mounting portions 3 at both ends. The mounting portion 3 has a horizontal plate portion 4 and a cutout hole 6 in which the opening width of the opening 5 is narrower than the inside of the plate portion 4.
Having.

The support body 2 has a mounted portion 7 for receiving the mounting portion 3.
Having. The attached portion 7 has a stacking portion 8 that overlaps the plate portion 4, and has a projecting portion 9 that is formed wider than the width of the opening 5 and that can be fitted into the cutout hole 6 in the stacking portion 8. 9 has a narrow portion 10 narrower than the width of the opening 5, and the narrow portion 10 of the protrusion 9
The nut contact portion 13 is provided on the tip side. Further, the thumbscrew 12 is penetrated to a position closer to the tip than the protrusion 9 of the overlapping portion 8 so that the head has a diameter smaller than the width of the opening 5 and the head is located on the side opposite to the protrusion 9. Thumb screw 1
A nut 11 having a width wider than that of the notch hole 6 is screwed into the tip of the screw 2.

In the embodiment, the protruding portion 9 is the overlapping portion 8
It is formed by cutting and raising. The nut contact portion 13 has a width wider than the width of the opening 5. The nut 11 is formed in a size that closes the cutout hole 6. The thumb screw 12 is inserted into a hole 8a formed in the overlapping portion 8. FIG. 2 shows a state in which the thumbscrew 12 is lifted to float the nut 11 and the lower thumbscrew 12 part of the nut 11 is passed through the opening 5 and the narrow portion 10 of the protrusion 9 is passed through the opening 5. is there.

In FIG. 3, the protrusion 9 is located in the cutout hole 6, the thumbscrew 12 is turned, and the nut 11 is moved to the nut contact portion 13.
The protrusion 9 is fitted into the notch hole 6 and the nut 11 is locked to the upper surface of the plate portion 4. According to this embodiment, the thumbscrew 12
The narrow portion 10 of the protrusion 9 is passed through the opening 5 of the cutout hole 6, and the thumb screw 12 is rotated to tighten the nut 11 to fix the overlapping portion 8 to the plate portion 4.

In this case, the nut 11 is moved closer to the nut contact portion 13 side than the narrow width portion 10 of the protruding portion 9 and the narrow width portion 1 is moved.
0 through the opening 5 of the cutout hole 6, but the nut 11
When the nut 11 is tightened, the nut 11 is locked to the nut contact portion 13, so that the nut 11 can be prevented from idling.
Therefore, the mounting work can be facilitated. Also,
Since it is possible to easily insert the narrow width portion 10 into the opening 5 by using the nut contact portion 13 wider than the narrow width portion 10 and it is not necessary to position the nut 11 higher than the nut contact portion 13, the thumb screw 12 It is not necessary to lengthen the threaded portion of and the tightening stroke can be shortened.

A second embodiment of the present invention is shown in FIGS. That is, in this luminaire, a lamp (not shown) has a cylindrical shape having a light transmitting portion on its peripheral surface and has mounting portions at both ends. Further, the support body 2 has an attached portion 7'for receiving the attachment portion thereof, and has a mounting member 14 having a hanging pipe as an embodiment, an upper cover 15 mounted on the mounting member 14, and a hole. The upper cover 15 is provided with the attached portion 7 ′ according to the embodiment, the pair of slits 16 at symmetrical positions with respect to the center, and the projections 17 at the inner edge portions of the pair of slits 16. A mounting plate 18 mounted on the mounting member 14 via a mounting member, a hook 20 having a substantially U-shape in which a hook claw 19 elastically hooked to the protrusion 17 through the slit 16 from the side opposite to the protrusion 17 is bent, and a lower end of the hook 20. And a lower cover 21 attached to the center of the.

The mounting member 14 has a screw 24 formed at the lower end thereof, and the upper cover 15 and the mounting plate 18 have through holes 25, 26.
Is passed through the screw 24, and a nut (not shown) is screwed onto the screw 24 to be fixed by tightening. The hook 20 is a metal fitting and is attached as shown in FIG. That is, FIG.
In (a), the hook 20 is exposed to the slit 16. At this time, the opening dimension of the hook 20 is set so that the middle portion of the hook 19 comes into contact with the inner edges of the pair of slits 16. FIG. 5B shows a temporary fixing state in which the hooking claw 19 is passed through the slit 16 and the hooking claw 19 is engaged with the protrusion 17.
At this time, the hook 20 is elastically deformed so as to open outward, and the hook 19 is engaged with the protrusion 17 by the restoring action. FIG.
In (c), a threaded hole 22 is formed at the lower end of the hook 20, a through hole 23 is formed in the center of the lower cover 21 to match the threaded hole 22, and a thumbscrew 24 is passed through the through hole 23 to make the threaded hole 22.
It has been screwed into. At this time, due to the weight of the lower cover 21 and the downward force applied to the lower cover 21 by the peripheral portion of the lower cover 21 hitting the upper cover 15, both side pieces of the hook 20 are bent in a convex shape as shown in FIG. 5C. As a result, the hooking claw 19 tilts in the hooking direction and holds the lower cover 21 securely.

7 and 8 show the structure of the ceiling mounting portion of the mounting member 14. That is, an inverted U-shaped mounting plate 24 is provided on the ceiling 26, and a hook slit (not shown) is formed on the side surface thereof. On the other hand, a horizontal pin 27 is provided at the upper end of the mounting member 14 and a cylindrical tubular portion 28 is formed at the center of a U-shaped metal fixture 25 provided with a claw 25a that engages with a hook slit. A plurality of U-grooves 29 having different depths are formed at the upper end of the portion 28 so that the lateral pins 27 can be fitted therein. This makes it possible to adjust the height of the mounting member 14. 29
Is a flange.

FIG. 10 shows another embodiment of the ceiling mounting portion of the mounting member 14, in which the upper end of the tubular portion 28 is formed in a spiral shape, and sawtooth-shaped irregularities 29a are formed in the spiral shape. The height when the horizontal pin 27 is locked in the concave portion of the concave-convex portion 29a is different. Others are the same as FIG. According to this embodiment, the upper cover 15 and the mounting plate 18 are mounted on the mounting member 14 of the support body 2, and the hooking claws 19 at both ends of the hooking tool 20 are pushed into the slits 16 of the mounting plate 18 to remove the mounting plate 18. This hook 2 is elastically locked to the protrusion 17
Attach the lower cover 21 to the lower end of 0.

In this case, by pushing the hooking claw 19 of the hooking tool 20 into the slit 16, the hooking claw 19 can be easily and reliably elastically locked to the projection, so that the mounting work can be facilitated and the hooking can be performed. The tool 20 can be easily removed. In this regard, as shown in FIGS. 20 (a) and 20 (b), the conventional example requires a space in the central portions of the upper cover and the lower cover. Therefore, in the case of the conventional example of FIG. Attach the inverted U-shaped connector 71 to the lower cover 74
The attachment 72 is attached to the connector 72, and the attachment 72 is attached to the connector 71 with a pair of screws 73. In the case of the conventional example of FIG. 20 (b), the upper end of a substantially U-shaped connector 71 'is attached to the upper cover 70 by a pair of screws 73a, and the thumb screw 73 is attached to the lower end.
The lower cover 74 is attached at b.

In these conventional examples, it is necessary to screw at two points in FIG. 20 (a) and screw at three points in FIG. 20 (b), so that the assembling workability is poor. Further, in this embodiment, by changing the U groove 29 for hooking the lateral pin 27 of the mounting member 14 with the configuration of FIGS. 7 and 8, the mounting height of the mounting member 14 can be easily and finely adjusted. There is. In this regard, in the conventional case, FIG.
2, the mounting plate 24 and the fixture 25 themselves have the same configuration, but a screw 82 is formed on the upper end of the mounting member 14, and an insertion hole for inserting the screw 82 is formed in the fixture 25. The fixture 25 is fixed by a pair of nuts 80 and 81 screwed onto the screw 82, and the height is adjusted by loosening the nuts 80 and 81 as shown in FIG. This is done by moving the screw 82 and tightening the nuts 80 and 81 again. Therefore, the height of the mounting member 14 cannot be easily adjusted.

A third embodiment of the present invention is shown in FIGS. 11 to 13. That is, in this luminaire, the lamp 1 is in the shape of a cylinder having the light transmitting portion 40 on the peripheral surface and has mounting portions (not shown) at both ends. The support (not shown) has a mounted portion that receives the mounting portion. The lamp 1 has a flat plate-shaped component mounting portion 31 having the connecting portions 30 on both sides, and the connecting portion 30.
Has a connected portion 32 that is detachably connected to
It is composed of a pair of outer shell members 33 forming a cylindrical outer shape with zero.

In the embodiment, the ballast 34 is mounted on the upper surface of the component mounting portion 31, and the lamp socket 3 is mounted on the lower surface.
5 is attached and the fluorescent lamp 35a is attached. Further, the connecting portion 30 is provided with a locking portion 36 having both sides turned inward and having a recess 37. Further, the outer shell member 33 has an arcuate cross section, the connected portion 32 is a pawl that engages with the recess 37, and the transparent cover receiving projection 38 is provided on one side of the outer shell member 33. The translucent cover receiving protrusion 38 is provided with a translucent cover, and the recesses 4 are provided on both sides of the translucent part 40.
1 is elastically locked, and the covering member 39 is locked to the other side of the outer shell member 33 by elastic claws.

Reference numeral 42 is a hanger, and 43 is a ring fitted to both ends of the outer shell member 33. According to this embodiment, the ballast 3 and the lamp socket 3 are attached to the plate-like component mounting member 31.
After the parts such as 5 are mounted, the connected part 32 of the outer shell member 33 is connected to the connecting part 30 of the component mounting member 31 to form the lamp 1. In this case, as compared with a case where the component mounting member 31 and the outer shell member 33 are integrally formed, it is not necessary to insert and mount the component from the end of the component mounting member 31, so that the component mounting becomes easy and Workability is improved. In addition, since the volume is reduced by dividing the component mounting member 31 and the outer shell member 33, the component can be stored easily.

In this respect, in the conventional example, as shown in FIGS. 23 to 25, the component mounting member 95 and the outer shell member 96 are integrally formed, and as shown in FIG. 25, the ballast 97 is the lamp 98. Since it was necessary to slide it from the end in the longitudinal direction and to insert it, there was a drawback that assembly workability was poor. Note that 9
Reference numeral 9 is a lamp socket, 100 is a covering member, and 101 is a light transmitting portion.

A fourth embodiment of the present invention is shown in FIGS. 14 to 16. That is, in this luminaire, in the third embodiment, the component mounting member 31 has the opening hole 4 at the center.
5, the lamp socket 35 is arranged so that the fluorescent lamp 35a is located in the opening hole 45, and light is emitted to the outside from the light-transmitting portions 46a and 46b in the vertical direction formed by the outer shell member 33. . Further, the connecting portion 30 is formed in a horizontal T shape, and the connected portions 32 are formed in a plurality of circumferential directions.
2 is formed with a groove 44 into which the connecting portion 30 is slidably fitted from the end portion in the longitudinal direction.

FIG. 16A shows the use of a base light in which the upper light-transmitting portion 46a is closed and only the downward light-transmitting portion 46b is opened to emit light in the direction of the arrow. The upper light is used to close the lower light-transmitting portion 46b and open only the upward opening 45 to irradiate light in the direction of the arrow. In the same figure (c), openings 46a and 46b are formed on both upper and lower sides. This is a dual-purpose type that emits light in the direction of the arrow.

According to this embodiment, since the plurality of connected portions 32 are provided, the connected portions 32 connected to the connecting portion 30 are connected.
A transparent portion 46a formed by the outer shell member 33,
Since the width of 46b changes, the light distribution can be changed and the layout can be changed. Therefore, when changing the layout of a store or the like, the type of lighting can be changed without changing the equipment. Others are the same as the third embodiment.

[0031]

According to the lighting apparatus of the first aspect, the nut is moved closer to the nut contact portion side than the narrow portion of the protrusion and is inserted into the opening of the notched hole together with the narrow portion, but the nut is tightened. At this time, since the nut is locked to the nut contact portion, idling of the nut can be prevented. Therefore, the mounting work can be facilitated.

According to the lighting device of the second aspect, by pushing the hooking claw of the hooking tool into the slit, the hooking claw can be elastically locked to the projection easily and reliably, so that the mounting work can be facilitated. At the same time, the hooking tool can be easily removed. According to the lighting equipment of claim 3, as compared with the case where the component mounting member and the outer shell member are integrally formed, it is not necessary to insert and mount the component from the end of the component mounting member, so that the component mounting is easy. Therefore, the assembly workability is improved.
Further, since the volume is reduced by dividing the component mounting member and the outer shell member, it becomes easy to store the component. Further, when a plurality of connected portions are provided, the width of the light-transmitting portion formed by the outer shell member is changed by the connected portions connected to the connecting portion, so that the layout can be changed.

[Brief description of the drawings]

FIG. 1 is a partially exploded perspective view of a first embodiment of the present invention.

FIG. 2 is a partial perspective view showing a state where the narrow width portion of the protrusion is inserted into the opening of the cutout hole.

FIG. 3 is a partial perspective view of a state in which the protrusion is fitted in the cutout hole and the thumbscrew is tightened.

FIG. 4 is a partially exploded perspective view of the second embodiment.

FIG. 5 is an operation explanatory diagram illustrating an operation of the hooking device.

FIG. 6 is an external perspective view of a support.

FIG. 7 is a cross-sectional view showing a ceiling mounting structure of an upper end portion of a mounting member of a support body.

FIG. 8 is a partial perspective view thereof.

FIG. 9 is a perspective view of a mounting member.

FIG. 10 is a partial perspective view of a modified example of the mounting structure of the mounting member.

FIG. 11 is a sectional view of a lamp according to a third embodiment.

FIG. 12 is an exploded sectional view thereof.

FIG. 13 is an external perspective view of a lamp.

FIG. 14 is a partially cutaway perspective view of a lamp according to a fourth embodiment.

FIG. 15 is an exploded sectional view of the lamp.

FIG. 16 is an explanatory diagram illustrating a manner of changing the layout of the lamp.

FIG. 17 is a perspective view of the appearance of the lighting fixture in a ceiling-mounted state.

FIG. 18 is a partially exploded perspective view for explaining the connection between the conventional lamp and the support.

FIG. 19 is a partial perspective view of the combined state.

20 (a) and 20 (b) are exploded perspective views of a conventional support body.

FIG. 21 is a sectional view of a conventional ceiling mounting structure.

FIG. 22 is an explanatory diagram illustrating a change in height of the mounting member.

FIG. 23 is a cross-sectional view of a conventional lighting device.

FIG. 24 is a sectional view showing a state in which the ballast is inserted.

FIG. 25 is a partial perspective view showing the process of inserting the ballast.

[Explanation of symbols]

 1 Lamp 2 Support 3 Mounting part 4 Plate part 5 Opening 6 Notch hole 7 Mounted part 8 Stacking part 9 Protrusion part 10 Narrow width part 11 Nut 12 Thumb screw 13 Nut contact part 14 Mounting member 15 Upper cover 16 Slit 17 Protrusion 18 Mounting plate 19 Hooking claw 20 Hooking tool 21 Lower cover 22 Screw hole 23 Insertion hole 24 Thumbscrew 30 Connecting part 31 Component mounting part 32 Connected part 33 Outer shell member 40 Light transmitting part 46a, 46b Light transmitting part

Claims (3)

[Claims] 1. A lamp having a cylindrical shape having a translucent portion on its peripheral surface and having mounting portions at both ends thereof, and a support having a mounting portion to which the mounting portion is mounted, the mounting portion being a plate portion. Having a notched hole in which the width of the opening is narrower than inward, and the attached portion has a stacking portion that overlaps the plate portion, and is wider than the width of the opening. Has a protrusion that is formed on the stackable portion and that can be fitted into the cutout hole, and that the protrusion has a narrower portion that is narrower than the width of the opening, and that is smaller than the narrower portion of the protrusion. It has a nut contact portion on the tip side, and further has an outer diameter smaller than the width of the opening so that the head portion is located on the side opposite to the protrusion portion, and is closer to the tip than the protrusion portion of the overlapping portion. Install a thumbscrew that penetrates through the position, and a nut that is wider than the cutout hole that is screwed into the tip of this thumbscrew. Lighting equipment was. 2. A lamp having a cylindrical shape having a translucent portion on a peripheral surface thereof and having mounting portions at both ends thereof, and a supporting body having a mounted portion to which the mounting portion is mounted, the supporting body being a mounting member. And an upper cover attached to the attachment member, a pair of slits having the attached portion and parallel to each other, and a protrusion at an inner edge portion of the pair of slits, and the upper cover is provided through the upper cover. A mounting plate mounted on the mounting member, a hook having a substantially U shape in which a hook for elastically hooking the protrusion through the slit from the side opposite to the protrusion is bent inward, and the hook is attached to the lower end of the hook. Lighting equipment consisting of a lower cover. 3. A cylindrical lamp having a translucent portion on a peripheral surface thereof, having a mounting portion at both ends thereof, and a support having a mounted portion to which the mounting portion is mounted, the lamp being connected to both sides. And a pair of outer shell members that form a tubular outer shape having the translucent portion and that have a connected portion that is detachably connected to the connecting portion. Characteristic lighting equipment.