JP2003281903A - Luminaire - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily and surely couple luminaire bodies to each other. <P>SOLUTION: A luminaire comprises a plurality of luminaire bodies 1 having an open under surface and a cross section of a generally U shape. End faces of adjacent luminaire bodies 1 are butted to each other and coupled. Coupling parts 6 generally overlap each other in the state where the end faces of the luminaire bodies 1 are butted to each other, and are formed so as to be inclined generally in parallel to each coupling part of the luminaire bodies 1. An upper coupling part 6a is provided with a screw hole 7, and an lower coupling part 6b is provided with a screw passing hole 8. As a result, a tightening screw is passed through the screw passing hole 8 with the tip upward and threadedly engaged with the screw hole 7 to be coupled to each other. In this case, the coupling parts 6 can be looked at from an under surface side of the luminaire. In addition, when a tightening screw is tightened by using tools such as a driver or the like, the inclined tool, can be manipulated from below, and thus the coupling between the luminaire bodies 1 can be easily and surely done. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting fixture in which end faces are butted and connected.

[0002]

2. Description of the Related Art As shown in FIGS. 10 and 11, in a lighting fixture including a fixture main body 50 having a substantially U-shaped cross-section with an open lower surface, the end faces of adjacent fixture main bodies 50 are abutted and connected to each other. is doing. 57 is a connecting part. In this case, as shown in FIG. 12, the outer surfaces of the socket base 51 provided at the end of the instrument body 50 are brought into contact with each other,
The instrument body 50 is pulled by the fastening screw 52 to be connected.
When connecting with the fastening screw 52, one socket base 51 is provided with a screw hole 53, and the other socket base 51 is provided with a screw insertion hole 54. In addition, FIG.
As shown in (b), a hole portion 56 for operating a tool 55 such as a screwdriver for tightening the fastening screw 52 is provided on the inner surface side of the socket base 51 provided with the screw insertion hole 54. With the socket base 51 having two sockets 58 as shown in FIG. 13 (a), the opening 50a of the instrument body 50 has a large width, so it can be obtained, but since the fastening screw 52 is fastened horizontally, the tool 55a is used. It is difficult to work from below when the is horizontal. In addition, as shown in FIG. 13B, the socket 5
In the socket base 51 provided with one 8, since the width of the opening 50a of the instrument main body 50 is narrow, the hand cannot be put in, and accordingly, the tool 55b is not put in and the operation is not possible due to the inclination.

[0003]

As described above, in the conventional lighting fixture, the fastening screw 52 is horizontally provided when the fixture main body 50 is pulled by tightening the fastening screw 52 at the time of connection. The workability from the bottom side was poor, and the tightening work was troublesome.

Further, when the cross section of the instrument body 50 is small, it is difficult for a hand or a tool to enter the instrument body 50, which makes tightening work very difficult.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a lighting fixture which can easily and reliably connect the fixture main body.

[0006]

In order to solve the above-mentioned problems, a lighting fixture according to claim 1 of the present invention is provided with a plurality of fixture bodies having a substantially U-shaped cross-section with an opening on the lower surface, which are adjacent to each other. In a lighting fixture in which the end surfaces of the fixture body are butted against each other, the fixture bodies are substantially overlapped with each other in a state where the end faces of the fixture body are butted, and each of the fixture bodies is provided with a connecting portion formed to be inclined substantially parallel to the upper side. A screw hole is provided in the connecting portion, and a screw insertion hole is provided in the lower connecting portion.

As described above, the instrument main bodies are provided with the connecting portions that are substantially overlapped with each other in an abutting state and are inclined substantially parallel to each of the instrument main bodies, and the screw holes are provided in the upper connecting portions. Since the screw insertion hole is provided in the lower connecting portion, the fastening screw can be inserted into the screw insertion hole with its tip facing upward and screwed into the screw hole for connection.
At this time, the connecting part can be seen from the lower surface of the instrument, and even when tightening the fastening screw with a tool such as a screwdriver, the tool can be operated from below with the tool inclined.
Easy and reliable connection construction of the tool body.

According to a second aspect of the present invention, in the light source according to the first aspect, the width of the opening opening on the lower surface of the main body of the instrument is set so that it is difficult for the hand to enter. In this way, the width of the opening on the lower surface of the instrument body is set so that it is difficult for the hand to enter. It is possible to operate from the outside of the instrument by inserting only the tip of the tool without inserting it. Therefore, the construction can be easily performed from below the instrument.

[0009]

DETAILED DESCRIPTION OF THE INVENTION A first embodiment of the present invention will be described with reference to FIGS. 1 is an exploded perspective view of a connecting portion of a lighting apparatus according to a first embodiment of the present invention, FIG. 2 is a sectional view of the connected state, and FIG. 3 is an overall perspective view of a lighting apparatus according to an embodiment of the present invention. is there.

As shown in FIG. 3, this lighting fixture is provided with a plurality of fixture bodies 1 each having a substantially U-shaped cross section with an open lower surface, and the end faces of adjacent fixture bodies 1 are abutted and connected to each other. . The instrument body 1 is provided with a socket 2 and a socket base 3 at both ends, and is supported in a suspended state by a support tool 4 that is suspended from the ceiling.

As shown in FIGS. 1 and 2, the connecting portion 5 of the instrument body 1 is formed to substantially overlap with each other in a state where the end faces of the instrument body 1 are abutted with each other, and is inclined substantially parallel to each of the instrument bodies 1. It has a connecting part 6. The connecting portion 6 projects from the end surface of each instrument body 1 and overlaps in parallel when the instruments are connected.
A is provided with a screw hole 7, and a lower connecting portion 6b is provided with a screw insertion hole 8.

In this case, a pair of instrument main bodies 1 to be connected
One set of upper connecting portions 6a is provided in the vicinity of the end surface of one of the instrument main bodies 1, and one set of the lower connecting portion 6b is provided in the vicinity of the end surface of the other instrument main body 1. The upper connecting portion 6a is formed by cutting and raising from the upper end on the outer side surface portion 3a of the socket base 3, and the lower connecting portion 6b is formed on the socket base 3a.
Is formed by cutting and raising from the lower end on the outer side surface portion 3a. Further, when the upper and lower connecting portions 6a and 6b are fastened with the fastening screw 10, the lower coupling portion 6b is provided so that a tool 11 such as a screwdriver for fastening the fastening screw 10 can be operated. Tool insertion hole 12 in socket base 3
Are provided (FIG. 3).

4 to 6 are explanatory views showing the structure of the connecting portion in the embodiment of the present invention. That is,
In FIG. 4, the upper side and the lower side connecting portions 6a and 6b are respectively projected from the end face A of the connection butting of the device body 1. B is the protrusion size. In FIG. 5, end face A
This is the case where one of the upper and lower connecting portions 6a and 6b (the upper connecting portion 6a in the figure) is protruding from. Either of the connecting portions 6a and 6b may project. In addition, in FIGS. 4 and 5, the connecting portion 6a,
Although 6b is arranged with a gap, it may be in contact with each other. In FIG. 6, the upper and lower connecting portions 6a and 6b do not protrude from the end surface A. Figures 4-6
Any configuration may be used. In this case, the screw insertion hole 8 has a hole shape, but it may have a notch shape as shown in FIG.

At the time of construction, as shown in FIG. 2, the fastening screw 1 is passed through the screw insertion hole 8 provided in the lower connecting portion 6b.
By screwing 0 into the screw hole 7 provided in the connecting portion 6a on the upper side, the instrument main bodies 1 are drawn to each other. At this time, the fastening screw 10 is screwed using a tool 11 such as a screwdriver, but since the connecting portion 6 is formed obliquely, the instrument body 1
The connecting portion 6 can be easily seen from the lower surface of the. Also,
Since the tool 11 can be operated from below, connection construction of the instrument body 1 can be performed easily and reliably.

Furthermore, even when the instrument body 1 has a small cross section and is difficult to be constructed by the conventional method because a hand or a tool cannot be inserted (FIG. 13B), the connecting portion 6 is formed as described above. The construction can be easily performed from below the instrument without putting hands or tools in the instrument body 1.

Although a single connecting portion 6 is provided in each instrument body 1, one connecting portion 6 may be provided, and the number thereof is not limited.

The second embodiment of the present invention will be described with reference to FIG. FIG. 7 is an exploded perspective view of a connecting portion of the lighting fixture according to the second embodiment of the present invention.

As shown in FIG. 7, the cut-and-raised directions of the connecting portions 6 provided at two places in each instrument body 1 are alternately formed in opposite directions. That is, one upper connecting portion 6a and one lower connecting portion 6b are provided near the end surface of each instrument body 1, and when the instruments are connected, the upper connecting portion 6a of one instrument body 1 and the other instrument body The connecting portion 6b on the lower side of 1 is configured so as to be inclined substantially in parallel and overlap each other. Further, similarly to the first embodiment, the upper connecting portion 6a is formed by cutting and raising from the upper end on the outer surface portion 3a of the socket base 3, and the lower connecting portion 6b is formed on the outer surface portion 3a of the socket base 3 at the lower end. It is cut and raised more.

Thus, when connecting three or more instrument bodies 1, one connecting portion 6 of one instrument body 1 can be joined to any connecting portion 6 of another instrument body 1. Therefore, it is possible to eliminate the directionality of the instrument body 1 at the time of construction and improve the construction. In addition, when the connecting portion 6 is formed on the internal parts of the instrument body 1 such as the socket base 3, there is an effect that the parts can be shared. Other configuration effects are similar to those of the first embodiment.

A third embodiment of the present invention will be described with reference to FIGS. 8 and 9. FIG. 8 is an exploded perspective view of a connecting portion of a lighting fixture according to a third embodiment of the present invention, and FIG. 9 is an explanatory view of its main portion.

As shown in FIGS. 8 and 9, the connecting portion 15
Is a separate part from the instrument body 16. That is, the instrument body 1
Reference numeral 6 denotes an instrument outer side portion 16a having a substantially U-shaped cross section with an opened lower surface, and an instrument inner side portion 16b arranged inside thereof.
It has and. The device outer portion 16a is provided with a convex portion 17 that is bent in an L shape so that a groove is formed on the inner peripheral surfaces facing each other near the end surface. An opening 18 is provided at a position adjacent to the convex portion 17 in the instrument inner portion 16b. Also, the connecting portion 1
The component 20 provided with 5 has two parts, that is, an upper connecting part 15a provided with a screw hole and a lower connecting part 15b provided with a screw insertion hole.
I have a variety. Each component 20 is integrally formed with a locking portion 19 that is inserted into the opening 18 from the inside of the instrument inner portion 16b and locks with one end of the convex portion 17.

In this case, the locking portion 19 of the set of parts 20 in which the upper connecting portion 15a is formed is used as the one instrument main body 1
It is hooked on each of the convex portions 17 on the 6 side, and the connecting portion 1 on the lower side.
The locking portion 19 of the set of parts 20 having the portion 5b formed thereon is hooked on each of the convex portions 17 on the other instrument body 16 side, tightened by the fastening screw 21, and pulled together to perform connection construction.
The upper connecting portion 15a and the lower connecting portion 15b are configured to be inclined substantially parallel to each other and overlap each other when the devices are connected. Further, in this case, in the connecting portion 23 of the instrument main body 16, the fitting member 2 is inserted into the groove of the convex portion 17 of both instrument main bodies 16.
2 is fitted. The fitting member 22 has a substantially U-shaped cross section, and in the fitted state, the tool outer portions 16a of both the tool bodies 16 are provided.
It is inserted between the device inner part 16 b and the device inner part 16 b to reinforce the connecting part 23.

It should be noted that, as in the second embodiment, the inclination directions of the connecting portions 15 provided at two locations in each instrument body 16 may be alternately arranged in opposite directions. Other configuration effects are similar to those of the first embodiment.

Further, in each of the embodiments, the lighting equipment may be an embedded type or a direct attachment type in addition to the hanging type.

[0025]

According to the lighting equipment of the first aspect of the present invention, the luminaires are provided with connecting portions which are substantially overlapped with each other in a state where the end faces of the luminaire body are abutted with each other and are inclined substantially parallel to each of the luminaire body. , A screw hole is provided in the connection part on the upper side,
Since the screw insertion hole is provided in the lower connecting portion, the fastening screw can be inserted into the screw insertion hole with its tip facing upward and screwed into the screw hole for connection. At this time, the connecting part can be seen from the lower surface of the instrument, and when tightening the fastening screw using a tool such as a screwdriver, the tool can be operated from below with the tool tilted, so the instrument body can be connected. Easy and reliable.

In the second aspect, since the width of the opening portion opened on the lower surface of the instrument body is set so that it is difficult for the hand to enter, even if the conventional method does not reach the hand and the construction is difficult, It is possible to insert only the tip of the tool and operate from the outside of the instrument without inserting it into the instrument body. Therefore, the construction can be easily performed from below the instrument.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a connecting portion of a lighting fixture according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of the lighting fixture of FIG. 1 in a connected state.

FIG. 3 is an overall perspective view of the lighting fixture according to the embodiment of the present invention.

FIG. 4 is an explanatory diagram showing an example of a structure of a connecting portion in the first embodiment of the present invention.

FIG. 5 is an explanatory view showing another example of the structure of the connecting portion in the first embodiment of the present invention.

FIG. 6 is an explanatory diagram showing another example of the structure of the connecting portion according to the first embodiment of the present invention.

FIG. 7 is an exploded perspective view of a connecting portion of the lighting fixture according to the second embodiment of the present invention.

FIG. 8 is an exploded perspective view of a connecting portion of the lighting fixture according to the third embodiment of the present invention.

FIG. 9 is an explanatory view of a main part of a third embodiment of the present invention.

[Explanation of symbols]

1 instrument body 6 connection 7 screw holes 8 screw insertion holes 10 Fastening screws 11 tools 15 Connection 16 Instrument body

[Procedure amendment]

[Submission date] April 11, 2002 (2002.4.1)
1)

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Brief description of the drawing

[Correction method] Change

[Correction content]

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a connecting portion of a lighting fixture according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of the lighting fixture of FIG. 1 in a connected state.

FIG. 3 is an overall perspective view of the lighting fixture according to the embodiment of the present invention.

FIG. 4 is an explanatory diagram showing an example of a structure of a connecting portion in the first embodiment of the present invention.

FIG. 5 is an explanatory view showing another example of the structure of the connecting portion in the first embodiment of the present invention.

FIG. 6 is an explanatory diagram showing another example of the structure of the connecting portion according to the first embodiment of the present invention.

FIG. 7 is an exploded perspective view of a connecting portion of the lighting fixture according to the second embodiment of the present invention.

FIG. 8 is an exploded perspective view of a connecting portion of the lighting fixture according to the third embodiment of the present invention.

FIG. 9 is an explanatory view of a main part of a third embodiment of the present invention.

FIG. 10 is a perspective view of a conventional lighting fixture.

FIG. 11 is a front view of a conventional lighting fixture.

FIG. 12 is an explanatory view of a work when connecting the conventional lighting fixture.
It

FIG. 13A is a conventional example in which two sockets are provided.
FIG. 2B is a conventional example in which one socket is provided.
FIG.

[Explanation of symbols] 1 instrument body 6 connection 7 screw holes 8 screw insertion holes 10 Fastening screws 11 tools 15 Connection 16 Instrument body

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Nobuaki Saito             Meiji Na 3-9-14 Shintaka, Yodogawa-ku, Osaka-shi             Within Sonal Industry Co., Ltd.

Claims (2)

[Claims] 1. A lighting fixture comprising a plurality of fixture bodies each having a substantially U-shaped cross-section with an open bottom surface, the end faces of the fixture bodies being abutted in an illumination fixture in which end faces of adjacent fixture bodies are abutted and connected to each other. So that they almost overlap each other,
It is characterized in that each of the instrument main bodies is provided with a connecting portion formed so as to be inclined substantially parallel to each other, a screw hole is provided in the upper connecting portion, and a screw insertion hole is provided in the lower connecting portion. lighting equipment. 2. The luminaire according to claim 1, wherein the width of the opening opening on the lower surface of the luminaire body is such that it is difficult for the hand to enter.