JP2003168313A - Luminaire - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a luminaire wherein safety is enhanced by providing a grounding part to ground a reflector, and its appearance design is prevented from being damaged by making this grounding part invisible from the outside when mounting the reflector. <P>SOLUTION: In this luminaire 1 formed by mounting the reflector 4, on which a paint film is applied, to a box type body part 7 provided with a lamp bracket supporting part 3 on one surface side at both ends in its longitudinal direction, a protruding piece 6 for grounding to peel off the paint film by making contact with the reflector 4 to be mounted is formed on at least either one of the body part 7 or the lamp socket supporting part 3. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

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

[0002]

2. Description of the Related Art Conventionally, a main body portion for supporting a socket of a lighting fixture has been grounded for safety. However, in a reflection plate fitted in the main body portion so as to be fitted, Since the surface was painted, it was not possible to integrally ground it.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and improves the safety by providing an earth conducting portion for making the earth of the reflecting plate electrically conductive. It is an object of the present invention to provide a lighting device that prevents the ground conducting portion from being unrecognizable from the outside and impairs the design.

[0004]

In order to solve the above-mentioned problems, the present invention provides a substantially box-shaped main body having a lamp socket support portion on one side of both ends in the longitudinal direction, and a reflector coated with a coating film. In a lighting fixture to be mounted, a lighting fixture characterized in that at least one of the main body portion and the lamp socket supporting portion is formed with a grounding protrusion that comes into contact with a mounted reflector and peels off the coating film. To do. By doing this,
Only by mounting the reflector, the coating film can be peeled off to easily establish the earth continuity of the reflector, and since the earth continuity part cannot be recognized from the outside, the design is not impaired.

Further, it is also preferable that the earthing projection is provided so as to slightly project from at least one position of the lamp socket supporting portion in the width direction of the main body or in the extending direction of the side piece. The user does not have to worry about being injured even if the user touches the grounding protrusion while touching the lamp socket support and its vicinity.

Further, the main body portion is constructed by using a main body portion having a substantially inverted U-shaped cross section, which is composed of a central piece and a pair of side pieces bent and extended from both ends in the width direction thereof. A lamp socket support portion is connected to the tip portions of both side pieces that face each other in the longitudinal direction of the lamp socket support portion, and a lamp socket support portion is provided at a connection portion between the side piece of the main body portion and the lamp socket support portion. The connecting hole is provided on one of the side pieces of the main body and the main body, and the other is formed with a locking projection for bending and locking after penetrating the connection hole, and from the locking projection. It is also preferable to extend the grounding protrusion. By doing so, it is possible to connect the lamp socket support portion and the grounding of the reflection plate with one member, and to connect the connection hole to the reflection plate member, for example. If it is provided in the stop groove, etc., the grounding protrusion will largely protrude from the main unit. It is safety is improved no to.

Further, the main body is constructed by using a main body having a substantially inverted U-shaped cross section, which comprises a central piece and a pair of side pieces bent and extended from both ends in the width direction. Is provided with a lamp socket support portion connected to the tip portions of both side pieces facing each other at both ends in the longitudinal direction of the lamp socket support, and the lamp socket support portion is provided at the connection portion between the lamp socket support portion and the side piece of the main body. It is also preferable to provide a through hole portion on one of the side portion of the main body portion and the portion, and to form a grounding projection piece to be penetrated through the through hole portion on the other side, by doing so,
If the through hole is provided, for example, in the groove for locking the reflector, the grounding protrusion does not significantly protrude from the main body, and the safety is improved.

It is also preferable that at least one portion of the main body portion is provided with a grounding protrusion slightly protruding in the width direction of the main body portion or the extending direction of the side piece. There is no need to worry about being injured even if you touch the grounding protrusion while touching the body and its vicinity.

Further, it is also preferable to apply a coating film to a portion of the member having the grounding protrusion formed thereon, other than the tip portion of the grounding protrusion. Since there is no coating film on the contacting part, the reliability of the earth of the reflector is improved.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below based on the embodiments shown in the accompanying drawings. 1 to 10 show an example of a lighting fixture 1 according to an embodiment of the present invention. As shown in FIGS. 1 to 3, the lighting device 1 of this example is
The main body portion 7 having a substantially box shape is provided with the lamp socket support portions 3 on one surface side at both ends in the longitudinal direction, and the reflection plate 4 is attached to the main body portion 7. 4 is coated with a coating film.

The main body portion 2 constituting the body portion 7 has a substantially inverted U-shaped cross section composed of a central piece 2a and a pair of side pieces 2b bent downward from both ends in the width direction thereof. Yes,
The main body 2 is provided with end portions 5 that are bent and extend downward from both ends in the longitudinal direction of the central piece 2a. The end portion 5 is also connected to the longitudinal end portions of both side pieces 2b of the main body portion 2 to close the longitudinal opening of the main body portion 2. Further, the lamp socket supporting portion 3 is further extended from the front end, that is, the lower end in the extending direction of the end portions 5 provided at both ends.
Is provided by bending inward. The lamp socket support portion 3 is also connected to the lower end portions of both side pieces 2b of the main body portion 2 and is installed substantially parallel to the central piece 2a via a predetermined space. Is the frame body of. In the present example, the main body portion 2, the end portion 5, and the lamp socket support portion 3 which form the body portion 7 are integrally formed in this manner, but as shown in FIG. 10, these respective members may be formed separately. . With the above configuration, the upper end portion of the lamp socket 9 is inserted inwardly of the lamp socket support portion 3 in the lower opening of the main body portion 2 and then slid toward the lamp socket support portion 3 side. The lamp socket 9 is inserted from an inward opening portion of the lamp socket supporting portion 3 and is held at predetermined positions at both longitudinal ends of the main body portion 7 by being locked by the lamp socket supporting portion 3. ing.

As shown in FIG. 4, the reflection plate 4 is formed by bending both ends of the thin plate in the width direction upward so as to have a substantially concave cross section, and the upper end of the upwardly bent portion is further inward. By curling and bending in a substantially arcuate cross section, the locking projections 11 projecting inward are formed at both ends in the width direction. A locking groove portion 10 formed in a straight line in the longitudinal direction is provided in the vicinity of the lower ends of the both side pieces 2b of the main body portion 2, and the reflection plate 4 is fixed to the main body by fitting the locking groove portion 10 and the locking projection 11 together. It is detachably attached to the main body 2 and closes the lower opening of the main main body 2. However, an opening (not shown) through which the lamp socket 9 penetrates is provided at a predetermined position on both ends of the reflection plate 4 in the longitudinal direction, and the lamp socket 9 is mounted at a predetermined position on the main body 7. The reflector 4 can be mounted through the lamp socket 9 in the opening.

Now, as a characteristic construction of the present invention, grounding protrusions 6 having sharp tips project from both ends in the width direction of the lamp socket supporting portion 3 in a direction away from each other, and the width from the main body portion 2 is increased. The margin is about 0.2 to 0.5 mm in the direction. As described above, by providing the grounding protrusion 6 near the mounting location of the lamp socket 9, there is an advantage that the dimensions can be easily determined when the lamp socket 9 is mounted. As shown in FIG. 3, if the distance between the tips of the two grounding protrusions 6 is L1 and the width of the main body 2 is L3, then L1> L3. The tip of 6 contacts the inner surface of the reflector 4. Figure 4
As shown in FIG. 4, if the distance between the contact positions of the grounding projections 6 on both sides of the reflection plate 4 is L2, then L1> L2, and the stress generated by the contact with the grounding projections 6 causes the entire reflection plate 4 to move. Only the contact part of the coating film applied to the part is peeled off. In this example, since no coating is applied to the tip of the grounding protrusion 6, only the reflection plate 4 is attached so that good ground conduction can be achieved in the cloth inside.

However, a coating may be formed on the tip portion of the grounding projection 6 and the coating may be peeled off by contact with the reflection plate 4.

In this embodiment, the grounding projections 6 are provided at both ends in the width direction of the pair of lamp socket supporting portions 3 provided at both ends of the main body 7 in the longitudinal direction. Although it is provided with the piece 6, one or two earth protruding pieces 6 may be provided to project from only one of the pair of lamp socket support portions 3, or more earth protruding pieces 6 may be provided. It may be provided with the piece 6.

As shown in FIG. 6, a method for constructing the main body portion 7 is as follows. First, one flat plate 12 is die-cut and then coated, and thereafter, as shown in FIG. After cutting and die cutting for forming the grounding protruding piece 6, finally, a predetermined portion is bent and assembled. In this way, by forming the grounding protruding piece 6 by die-cutting after painting, it is possible to leave only the cut surface 14 forming the tip of the grounding protruding piece 6 uncoated. The conventional method of constructing the main body portion 7 is to perform coating after die-cutting and assembly, but with this construction, the tip of the grounding projection piece 6 is coated with a coating, and the earth continuity is reduced. Will fall.

In this example, the entire main body 7 integrally formed with the lamp socket supporting portion 3 which is the member on which the grounding protrusion 6 is formed is coated as described above except for the tip of the grounding protrusion 6. However, even when the grounding projection piece 6 is formed on another member, if the coating film is applied to the grounding projection piece 6 except for the tip end portion of the grounding projection piece 6. good.

However, a coating film may be applied to the portion other than the tip portion of the grounding member 6 by another method using masking or the like.

The main body 7 is grounded by attaching a power supply terminal block 8 with a ground terminal. As shown in FIG. 9, a pair of terminal block holding claws 15 and a tongue piece 16 are provided upright on the back surface of the power supply terminal block 8 with a ground terminal, and as shown in FIG. 8 on the inner surface of the main body 2. A pair of locking holes 17 and a grounding hole 18 are formed in each. When the terminal block holding claw 15 is locked in the locking hole 17 and the power supply terminal block 8 with a ground terminal is held on the inner surface of the main body 2,
The tongue piece 16 is inserted into the grounding hole 18, and at this time, the coating film at the contact point is peeled off so that the main body portion 7 is grounded.

In FIG. 5, locking projections 11 which are curl portions near the contact position with the grounding projection piece 6 are cut out at both ends in the longitudinal direction of the reflection plate 4 of this example, and a notch 19 for relief is formed.
It shows what formed. By providing the escape notch 19, the earth projection 6 does not come into contact with the locking projection 11 when the reflection plate 4 is mounted, and the work can be performed smoothly. Further, in order to further improve the ground continuity, the coating film peeling portion 20 may be provided on the inner surface of the reflection plate 4 at a contact position with the grounding projection piece 6.

11 to 14 show another example of the embodiment of the present invention. Since the basic configuration of the other example is substantially the same as the basic configuration of the example, the description of the common configuration will be omitted and only the characteristic configuration will be described below. From the lamp socket support portion 3 of the present example, locking projections 21 are respectively extended from both ends in the width direction toward the direction away from each other, and further from the locking projections 21, a projection for grounding is provided in an orthogonal direction. 6 are extended. Both sides 2b of the main body 2
Connection holes 25 are formed at both ends in the longitudinal direction of the engagement groove portion 10 formed in the above. After the engagement projection 21 is led out from the inside through the connection hole portion 25, It is bent and locked in the locking groove 10 until it faces the outer surface of the piece 2b substantially in parallel. As shown in FIG. 11 and FIG. 14, the tip of the grounding projection piece 6 extending from the locking projection piece 21 so as to slightly project in the width direction from the main body portion 2 when in this locking state. If the reflector 4 is attached, it is shown in FIG.
As shown in FIG. 5, the tips of the grounding projections 6 on both sides come into contact with the locking projections 11 of the reflection plate 4 to peel off the coating film.

That is, in this example, the connection of the lamp socket support portion 3 to the side piece 2b and the ground of the reflection plate 4 are controlled by the locking projection 2
This can be performed by a single member in which 1 and the grounding protrusion 6 are integrally molded.

However, the present invention is not limited to the above structure, and the locking projection 21 is formed on the side piece 2b of the main body 2 and the locking projection 2 is formed.
The connecting hole portion 25 for locking the lamp socket
It may be provided on the side, or at the connecting portion between the end portion 5 and the side piece 2b of the main body portion 2, one of the similar locking projection 21 and the connecting hole portion 25 may be provided at the end portion 5. It may be provided on the side and the other on the side of the side piece 2b.

15 to 18 show still another example of the embodiment of the present invention. Further, since the basic structure of another example is substantially the same as the basic structure of one example, the description of the common structure will be omitted and only the characteristic structure will be described below. As shown in FIG. 15, contact pieces 22 that bend upward are provided at both ends in the width direction of the lamp socket support portion 3. In this example, a part of the contact pieces 22 is cut and raised toward the outside. To form a grounding protrusion 6. Locking groove portion 1 formed on both side pieces 2b of the main body portion 2
Through holes 23 are drilled at both ends of 0, and if the grounding protrusion 6 is led out from the inside through the through hole 23, the tip of the grounding protrusion 6 will be the main body. It is designed to slightly project from the portion 2 in the width direction. Therefore, when the reflecting plate 4 is attached, the tips of the grounding protrusions 6 on both sides come into contact with the locking protrusions 11 of the reflecting plate 4 and the coating film is peeled off, as shown in FIG.

It is preferable to cut and raise the grounding protrusion 6 in an inclined state, not in a vertical state. In this case, when contacting the reflecting plate 4 in a tilted manner rather than vertically, the corners of the grounding protruding piece 6 hit rather than the thickness of the grounding protruding piece 6, and the peeling of the coating film occurs more reliably. Because you can.

Further, the grounding protrusion 6 is not limited to the above structure.
May be formed on the side piece 2b side of the main body portion 2 and the through hole 23 through which the locking projection piece 21 penetrates is formed on the lamp socket support portion 3 side, or the end portion 5 may be formed. In the connection portion between the main body 2 and the side piece 2b, one of the grounding protrusion 6 and the through hole 23 is provided on the end portion 5 side, and the other is provided on the side piece 2b side. May be.

FIG. 17 shows the reflection plate 4 of this embodiment in which the reflection plate notch 24 is formed by partially cutting out the curl portion in the vicinity of the contact position with the earth projection 6. In this case, as shown in FIG.
The tip of the contact plate comes into contact with the end face of the reflection plate notch 24 so that the coating film is peeled off. Further, similarly to the construction method of the main body portion 7 shown as an example, after the entire coating, die cutting for forming the reflection plate cutout portion 24 is performed, and no coating film is applied to the end surface of the reflection plate cutout portion 24. You may do it.

19 to 22 show still another example of the embodiment of the present invention. Further, since the basic configuration of the other example is substantially the same as the basic configuration of the example, the description of the common configuration will be omitted and only the characteristic configuration will be described below. Both side pieces 2b of the main body 2 have their lower ends curled inwardly and are bent in a substantially arcuate shape in cross section. In this example, as shown in FIG. The protrusion 6 is formed so that the tip of the earth protrusion 6 slightly protrudes downward from the main body 2. Therefore, when the reflection plate 4 is attached, the tip of the grounding projection piece 6 extending downward from both side pieces 2b comes into contact with the inner surface of the reflection plate 4 and the coating film is peeled off, as shown in FIG.

In this example, the length of the grounding protrusion 6 is 0.
Although the length is about 1 to 2 mm, as shown in FIG. 21, the grounding projection piece 6 may be formed to have a long length of about 2 to 20 mm so as to have elasticity.

FIG. 22 shows another example of the embodiment of the present invention. Since the basic structure of another example is substantially the same as the basic structure of an example, description of common structures will be omitted, and only characteristic structures will be described below. On both side pieces 2b of the main body portion 2 of the present example, grounding protruding pieces 6 are formed to protrude outward by cutting and raising a part of the locking groove portion 10, respectively. A part of the locking projection 11 that fits into the locking groove 10 of the side piece 2b comes into contact with the tip of the grounding projection 6, and the coating film is peeled off at this contact portion.

FIG. 23 shows still another example of the embodiment of the present invention. Further, since the basic configuration of another example is substantially the same as the basic configuration of the example, the description of the common configuration will be omitted and only the characteristic configuration will be described below. The lamp socket support portion 3 of this example is provided with grounding protrusions 6 protruding downward by partially cutting and raising both ends in the width direction, and the inner surface of the mounted reflection plate 4 is grounding protrusions. The coating film is peeled off in contact with the tip of the piece 6.

24 to 27 show still another example of the embodiment of the present invention. Further, since the basic configuration of another example is substantially the same as the basic configuration of one example, the description of the common configuration will be omitted and only the characteristic configuration will be described below. As shown in FIG. 24, the locking projection 11 formed by curling both widthwise ends of the reflection plate 4 of the present example is formed by cutting and raising a part of the locking projection 11, and the tip is sharpened. Each of the grounding protrusions 6 is formed. Therefore, when the reflecting plate 4 is attached, as shown in FIG. 25, a part of the engaging groove portion 10 of the side piece 2b into which the engaging protrusion 11 is fitted comes into contact with the tip of the earth protruding piece 6, The coating film is peeled off at this contact portion.

Further, the grounding protrusion 6 may be formed in a substantially trapezoidal shape with a narrower width toward the tip side and a flat tip as shown in FIG. 26. In this case, as shown in FIG.
When the reflecting plate 4 is attached, the tip end of the grounding protrusion 6 is inserted into a square hole (not shown) formed in the locking groove portion 10 of the side piece 2b and brought into contact therewith. To be peeled off.

[0034]

As described above, according to the first aspect of the present invention, the coating film can be peeled off only by mounting the reflection plate, and the grounding of the reflection plate can be easily performed. Since the parts cannot be recognized from the outside, there is an effect that the design is not impaired.

In addition to the effect of the invention described in claim 1, in the invention described in claim 2, while the user is touching the lamp socket supporting portion and the vicinity thereof, the earth projecting piece is touched. It has the effect of eliminating the risk of injury even if it comes into contact.

Further, in the invention described in claim 3, in addition to the effect of the invention described in claim 1, it is possible to connect the lamp socket support portion and the grounding of the reflection plate with one member. If the connecting hole is provided in, for example, the groove for locking the reflection plate, the grounding protrusion does not significantly protrude from the main body, and the safety is improved.

According to the invention of claim 4, in addition to the effect of the invention of claim 1, if a through hole is provided in, for example, a groove for locking the reflector, a grounding protrusion is provided. Has the effect of not significantly protruding from the main body and improving safety.

According to the invention of claim 5, in addition to the effect of the invention of claim 1, while the user touches the main body portion and its vicinity, the user touches the earthing protrusion. Even so, there is an effect that you do not have to worry about getting injured.

In addition, in the invention of claim 6, in addition to the effect of the invention of any one of claims 1 to 5, there is no coating film on the portion of the grounding protrusion that comes into contact with the reflecting plate. Therefore, there is an effect that the reliability of the earth of the reflector is improved.

[Brief description of drawings]

FIG. 1 is a schematic diagram showing an example of a lighting fixture according to an embodiment of the present invention.

FIG. 2 is a schematic view showing an example of a main body.

FIG. 3 shows an example of a main body part, (a) is a front view,
(B) is a bottom view and (c) is a sectional view taken along the line JJ 'of (b).

FIG. 4 shows an example of a reflection plate, (a) is a plan view,
(B) is a side view.

FIG. 5 shows an example of a reflector with a cutout,
(A) is a plan view and (b) is a side view.

FIG. 6 is an explanatory diagram showing an example of the process of the main body portion, showing the coating process.

FIG. 7 is an explanatory diagram showing a process of an example main body part, showing a process after coating.

FIG. 8 is an explanatory diagram showing an example of a terminal block mounting portion of the main body portion.

FIG. 9 is an explanatory diagram showing a mounting state of an example of a power supply terminal block with a ground power source, in which (a) is a mounting state viewed from the side,
(B) shows the mounting state when viewed from the bottom, and (c) shows a power supply terminal block with a ground power supply.

FIG. 10 is an explanatory diagram showing a case where the body portion of one example is configured by a separate member.

FIG. 11 shows another example of the main body according to the embodiment of the present invention, (a) is a plan view and (b) is a bottom view.

FIG. 12 is an enlarged view of a main part of FIG.

FIG. 13 is an explanatory view showing a mounting state of a reflection plate on a main body of another example.

14A and 14B show a main body portion of another example, FIG. 14A is a schematic view, and FIG. 14B is an enlarged view of a main portion of FIG. 14A.

FIG. 15 shows a main body of still another example of the embodiment of the present invention, (a) is a front view, (b) is a bottom view,
FIG. 13C is a sectional view taken along line JJ ′ of FIG.

FIG. 16 is an explanatory view showing a mounting state of a reflection plate on a main body of still another example.

17A and 17B show a reflection plate having a notch of another example, FIG. 17A is a plan view, and FIG. 17B is a side view.

FIG. 18 is an explanatory view showing a state in which a reflecting plate having a notch of still another example is attached to the main body.

FIG. 19 shows a main body of still another example of the embodiment of the present invention, (a) is a front view, (b) is a bottom view, and (c) is a line JJ ′ in (b). FIG.

FIG. 20 is an explanatory view showing a mounting state of a reflection plate on a main body of still another example.

FIG. 21 is an explanatory view showing a case where a grounding protrusion of another example is elongated.

FIG. 22 is an explanatory diagram showing another example of a lighting fixture according to an embodiment of the present invention.

23A and 23B show a lighting device of still another example in the embodiment of the present invention, wherein FIG. 23A is a schematic diagram and FIG. 23B is a schematic diagram of only a main body portion.

FIG. 24 shows a reflection plate of still another example of the embodiment of the present invention, (a) is a plan view and (b) is a side view.

FIG. 25 is an explanatory diagram showing still another example of a lighting fixture.

26A and 26B show a reflection plate having a grounding protrusion formed in a square hole of a main body of yet another example, wherein FIG. 26A is a plan view and FIG. 26B is a side view.

FIG. 27 is an explanatory view of a main part in a state where the reflection plate shown in FIG. 26 is attached to the main body part.

[Explanation of symbols]

1 lighting equipment 2 Main body 2a Central piece 2b side piece 3 Lamp socket support 4 reflector 6 Earth protrusion 7 Main body 23 Through hole 25 Connection hole

Claims (6)

[Claims] 1. A luminaire comprising a substantially box-shaped main body having lamp socket support portions on both sides in the longitudinal direction, and a reflective plate having a coating attached to the main body portion and the lamp socket support. A lighting fixture, characterized in that at least one of the parts is formed with a grounding protrusion that comes into contact with a mounted reflector and peels off the coating film. 2. The grounding projection piece is provided so as to slightly project in at least one position of the lamp socket support portion in the width direction of the main body portion or in the extending direction of the side piece. lighting equipment. 3. A main body part is formed by using a main body part having a substantially inverted U-shaped cross section, which comprises a central piece and a pair of side pieces bent and extended from both ends in the width direction thereof. A lamp socket support portion is connected to the tip portions of both side pieces that face each other in the longitudinal direction of the lamp socket support portion, and a lamp socket support portion is provided at a connection portion between the side piece of the main body portion and the lamp socket support portion. The connecting hole is provided on one of the side pieces of the main body and the main body, and the other is formed with a locking projection for bending and locking after penetrating the connection hole, and from the locking projection. The lighting fixture according to claim 1, wherein a grounding protrusion is extended. 4. The main body portion is formed by using a main body portion having a substantially inverted U-shaped cross section, the main body portion including a central piece and a pair of side pieces bent and extending from both ends in the width direction thereof. Is provided with a lamp socket support portion connected to the tip portions of both side pieces facing each other at both ends in the longitudinal direction of the lamp socket support, and the lamp socket support portion is provided at the connection portion between the lamp socket support portion and the side piece of the main body. 2. The lighting fixture according to claim 1, wherein one of the side pieces of the portion and the main body portion is provided with a through hole portion, and the other is formed with a grounding projection piece which is passed through the through hole portion. 5. The luminaire according to claim 1, further comprising: a grounding protruding piece slightly protruding from at least one location of the main body in a width direction of the main body or an extending direction of the side piece. . 6. The luminaire according to claim 1, wherein a coating is applied to a portion of the member having the grounding protrusion formed thereon, other than the tip portion of the grounding protrusion.