JP2004206918A - Connecting fitting and lighting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connecting fitting and a lighting device which are able to be connected and set up even if sizes of a plurality of main bodies of fixtures are different due to manufacturing errors, and in which the ground connection is also surely attained. <P>SOLUTION: According to this embodiment, since both main bodies 5, 5 of fixtures can be easily connected with the connecting fitting 2 by providing a specified space part 25 between the fixing part 22 and the connecting part 23, a fault by a manufacturing error is dissolved. Since the ground connection by a protrusion 24 is attained in the part which cannot be easily influenced by dimension errors of the main bodies 5, 5 of the fixtures, the ground connection can be attained surely while workability is improved. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a connection fitting for connecting a plurality of lighting fixtures and a lighting device.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, as a connection fitting for connecting a plurality of lighting fixtures, a configuration described in Patent Literature 1 is known.
[0003]
The connection fitting described in Patent Literature 1 is a connection fitting for connecting the lighting device main bodies to each other to obtain a ground connection, and is fixed in such a manner that both longitudinal ends are bent into a substantially U-shape and inserted into the mounting holes of the lighting device main body. And a connecting portion bent in a substantially U-shape between the fixing portion and the fixing portion, and by pressing the fixture body between the fixing portion and the connecting portion, the lighting device has straightness and ground connection. is there.
[0004]
[Patent Document 1] Japanese Patent Application Laid-Open No. 2000-21228
[Problems to be solved by the invention]
If the same product is produced using a mold or the like like a normal appliance body, it is difficult to always produce products with the same dimensions, and manufacturing errors will occur. In most cases, the dimensions are slightly different. In consideration of this, it is preferable that the connection fitting has a configuration that does not impair the workability while absorbing the dimensional error of the appliance body.
[0006]
However, according to the configuration described in Patent Literature 1, since the device main body is pressed into the connection fitting,
It is difficult to form a configuration that can absorb dimensional errors, and conditions vary greatly depending on the degree of press-fitting. In some cases, press-fitting cannot be performed due to dimensional errors, which may reduce workability. Was.
[0007]
The present invention has been made in view of the above, and can be easily provided even when the dimensions of a plurality of instrument bodies to be connected are different due to manufacturing errors, and a ground connection is reliably obtained, and workability is improved. It is an object to provide a connection fitting and a lighting device.
[0008]
[Means for Solving the Problems]
According to the connecting fitting of the first aspect, a connecting fitting main part which is arranged linearly so as to be adjacent to the mounting surface and abuts on an end top surface of the device main body; Between the fixing part formed at both ends of the connecting metal part and between the fixing part bent into the mounting hole formed at the end of the appliance main body and bent downward from both sides of the connecting metal part. A connecting part provided between the fixing part and the connecting part, and a projection provided downward from an end of the main part of the connecting fitting so as to contact at least a top surface part of the appliance body; And a predetermined space portion provided between the end of the device main body and the connecting portion so as not to come into contact with the connecting portion.
[0009]
According to the present invention, first, the fixing portion formed at the end of one main body of the connection fitting is inserted into the mounting hole formed at the end of the one appliance main body. At this time, the projection protruding from the main part of the connection fitting abuts on the top surface of the lighting fixture main body, so that the lighting device is installed in a state of being securely in contact with a part of the top surface. Further, at this time, the end portion of the instrument body provided on the connection fitting so as to be located between the fixing portion and the connection portion does not come into contact with the opposing connection portion due to the predetermined space portion, and has a gap. Is provided.
[0010]
Then, the fixing part formed at the end of the other main part of the connecting fitting is inserted into the mounting hole formed at the end of the other main part of the equipment, and the connecting fitting is operated in the same manner as described above so that the fittings adjacent to each other are connected. Provided on the body.
[0011]
According to the invention of claim 1, between the fixing portion and the connecting portion, at least a protruding portion provided downward from the end of the connecting metal main portion so as to be in contact with at least the top surface portion of the appliance body; By providing the end of the instrument main body disposed between the fixing portion and the connecting portion and the predetermined space portion provided so that the connecting portion does not abut, the dimensions of the plurality of instrument main bodies to be connected may be reduced due to manufacturing errors. It is possible to easily provide the connecting bracket even if it differs depending on the case, and it is possible to secure the ground connection at a place that is not easily affected by the dimensional error of the appliance body, so that the workability can be improved, A ground connection can also be reliably obtained.
[0012]
According to a second aspect of the present invention, in the first aspect of the present invention, the fixing portion is a provisional portion provided on the distal end side so as to project in a direction different from the fixing portion when viewed from the main portion of the connecting portion. It is characterized in that a fixing portion is provided.
[0013]
According to the present invention, in addition to the function of claim 1, when one of the fixture main body and the connection fitting is provided, the temporary fixing part provided at the tip of the fixing part is provided with the mounting surface of the lighting fixture main body. The hook is hooked on the opposite surface to temporarily fix the connection fitting to one of the instrument bodies.
[0014]
According to the second aspect of the present invention, the provision of the temporary fixing portion further improves the workability when the connecting fitting and the instrument main body are provided.
[0015]
According to a third aspect of the present invention, there is provided a lighting device comprising: the connecting fitting according to the first or second aspect; and a plurality of fixture main bodies arranged linearly so as to be adjacent to the mounting surface by providing the connecting fitting. It is characterized by the following.
[0016]
According to the third aspect of the invention, the operation and effect according to the first or second aspect are provided.
[0017]
BEST MODE FOR CARRYING OUT THE INVENTION
A first embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an explanatory view showing a connection fitting of the first embodiment, FIG. 2 is an explanatory view showing a main part of a tool main body of the present embodiment, and FIG. 3 shows a state where the connection fitting of the present embodiment is attached to one of the tool main bodies. FIG. 4 is an explanatory view showing a state in which the connecting fitting of the present embodiment is attached to one instrument main body, and FIG. 5 is an explanatory view showing a state in which the connecting fitting of the present embodiment is attached to the other instrument main body. 6 is an explanatory view showing a state in which the connecting fitting of the present embodiment is attached to the other apparatus main body, FIG. 7 is a perspective view showing a state in which the lighting apparatus of the present embodiment is connected, and FIG. 8 shows the connecting part of FIG. It is a principal part enlarged view.
[0018]
As shown in FIG. 7, the connection fitting 2 of the lighting fixture 1 connects the lighting fixtures 1 and 1 having, for example, an inverted Fuji shape, which are linearly arranged on a mounting surface such as a ceiling.
[0019]
The lighting fixture 1 has a fixture main body 5 made of metal, and is provided with an inverted Fuji-shaped reflector 11 that is attached so as to cover a lower part of the fixture main body 5. Further, a pair of lamp sockets 12 and 12 mounted opposite to both ends of the apparatus main body 5 and protruding downward from the reflecting plate 11, and a straight tube fluorescent lamp removably mounted between the lamp sockets 12 and 12. 13 is provided.
[0020]
As shown in FIG. 2 ((a) of FIG. 2 is a top view, and (b) is a front cross-sectional view), the appliance body 5 has a top surface portion 6 and a pair of lower portions bent from both sides of the top surface portion 6. A pair of mounting holes 62, 62 having a substantially elliptical shape and a pitch P are formed on both sides of the end portions 61, 61 of the top surface portion 6, respectively.
[0021]
Here, the connection fitting 2 will be described with reference to the drawings. 1 (a) is a top view, FIG. 1 (b) is a front view, and FIG. 1 (c) is an enlarged view showing a projection of a connecting fitting.
[0022]
As shown in FIG. 1, the connection fitting 2 is made of a conductive material such as a metal plate, and is provided with a connection fitting main part 21 that is in contact with the adjacent appliance main bodies 5, 5. Are provided at four corners which are bent downward on both sides of each of the two ends and are inserted into mounting holes 61 formed in the end of the appliance body. Further, a pair of connecting portions 23, 23 bent downward from both sides of the connecting metal main portion 21 are provided between fixing portions 22, 22... Formed at both ends of the connecting metal main portion 21. I have. The pitch in the width direction of the fixing portions 22, 22... Is formed to have the same size as the pitch P of the pair of mounting holes 61 formed in the appliance body 5. The fixing portions 22, 22,... Are formed to have dimensions slightly smaller than the attachment holes 61 so that they can be inserted into the attachment holes 61 of the instrument body 5.
[0023]
Further, the connecting fittings 2 are provided between the fixing parts 22 and the connecting parts 23, and four protruding parts 24, 24... Downward from the ends 21 a, 21 a in the longitudinal direction of the connecting fitting main part 21. Is provided, and a predetermined size is provided such that an end portion 51 of an instrument main body 5 described below disposed between each fixing portion 22 and the connecting portion 23 does not come into contact with the connecting portion 23. A space 25 is provided. The projections 24, 24,... Are provided substantially in the middle between the fixing portion 22 and the connecting portion 23.
[0024]
Further, the connecting fitting 2 is provided with a temporary fixing portion 26 provided on the distal end side 22a of each fixing portion 22 so as to project in a direction different from the fixing portion 22 when viewed from the connecting fitting main portion 21. .
[0025]
The connection fitting 2 is provided with a mounting hole guide portion 27 which is on the surface of each of the fixing portions 22 facing the connection portion 23 and which is inclined downward and outward therefrom. A tool guide portion 28 is provided on the surface side opposite to and inclined downwardly inward. Note that the instrument guide section 28 includes a first instrument guide section 28a and a second instrument guide section 28b having different inclination angles and different length dimensions.
[0026]
The connection fitting 2 is provided with a center at a position deviated from the center of the connection portion 23, and is provided with a fixing tool insertion hole 29 having a rectangular shape with an angle.
[0027]
Here, the operation of the present embodiment will be described with reference to FIGS.
[0028]
First, as shown in FIG. 3, the temporary fixing portion 26 is inserted into the mounting hole 61 while the connecting fitting 2 is inclined with respect to one of the two lighting fixtures 1 and 1 connected to the fixture main body 5. Then, when the temporary fixing portion 26 is inserted, the connection fitting 2 is moved along the mounting hole guide portion 27. Then, the connection fitting 2 is provided such that the projection 24 abuts on the top surface 6 of the instrument body 5 and the top surface 6 and the connection fitting main portion 21 are horizontal as shown in FIG. In addition, a gap 25 a is ensured by the predetermined space portion 25 so that the end portion 51 of the instrument body 5 does not abut on the connecting portion 23.
[0029]
The connection metal fitting 2 thus provided is temporarily fixed to one of the equipment main bodies 5 by the temporary fixing portion 26 being hooked on the surface 62 of the equipment main body 5 on the side opposite to the top surface 6. State. Therefore, the instrument main body 5 is attached to, for example, a ceiling or the like in a state where the connection fitting 2 is attached.
[0030]
Next, as shown in FIG. 5, the other fixture main body 5 of the two lighting fixtures 1 and 1 to be connected is attached to the connection fitting 2. In this case, since one of the lighting fixtures 5 is mounted on the ceiling, the connecting fitting 2 cannot be inclined. Therefore, after the temporary fixing portion 26 is inserted into the mounting hole 61 of the other device main body 5, the device main body 5 is moved upward along the mounting hole guide portion 27, and the fixing portion 22 is inserted into the mounting hole 61. . Thus, the connecting fitting 2 is provided such that the projection 24 abuts on the top surface 6 of the fixture body 5 and the top surface 6 and the connecting fitting main portion 21 are horizontal, and the lighting fixtures 1 and 1 are connected. Lighting device. In addition, as shown in FIG. 6, a gap 25 b is ensured by the predetermined space portion 25 so that the end portion 51 a of the one instrument main body 5 does not come into contact with the connecting portion 23.
[0031]
Further, in the present embodiment, as shown in FIG. 8, the electric wires 9 such as a power supply line connected between the connected instrument main bodies 5 and 5 are securely wired inside the connection fitting 2. A fixing string 30 for fixing the fixing member 9 is provided through the fixing tool insertion hole 29.
[0032]
According to the present embodiment, since the predetermined space portion 25 is provided between the fixing portion 22 and the connecting portion 23, the dimensions of the plurality of instrument bodies 5, 5 to be connected may be different from each other due to a manufacturing error. Even so, the connecting fitting 2 can be easily provided on both of the tool bodies 5 and 5, so that a problem due to a manufacturing error can be eliminated.
[0033]
Further, since the projection 24 is provided between the fixing part 22 and the connecting part 23 so as to be in contact with the top surface part 6 of the instrument bodies 5, 5, the dimensional error of the instrument bodies 5, 5 is reduced. Since the ground connection can be secured at a location that is not easily affected, it is possible to reliably obtain the ground connection while improving the workability.
[0034]
Further, when the connecting fitting 2 is provided on the fixture main body 5, it can be temporarily fixed to the fixture main body 5 by the temporary fixing portion 26, so that the lighting fixtures 1 and 1 using the metal connecting fitting 2 can be connected. Even if there is, workability is not suppressed.
[0035]
In addition, since the connecting fitting 2 is provided with a fixing tool insertion hole 29 which is off the center of the connecting portion 23 and has a rectangular shape with an angle, each lighting fixture 1 when connected is provided. Since the stopper string 30 does not interfere with the reflector 11, the workability and the appearance are not deteriorated, and the size of the fixing portion insertion hole 29 is increased by inclining the fixing portion insertion hole 29. It is possible to prevent the restriction on the size of the retaining cord 30 from increasing.
[0036]
Further, since the protrusion 24 of the connection fitting 2 is provided substantially in the middle between the fixing portion 22 and the connection portion 23, the protrusion 24 is located at a position where the top surface portion 6 and the protrusion 24 are surely in contact with each other. There is no danger that the workability will be degraded due to excessive interference of the projection 24 with the top surface 6 when the connecting fitting 2 is mounted on the connecting member 2, so that the mounting work can be performed optimally and the ground connection can be reliably obtained.
[0037]
For example, even if the surface of the top surface 6 is coated with paint or the like, or an oxide film is formed by oxidation, since the tip of the projection 24 is formed at an acute angle, the surface of the top surface 6 is formed. By shaving, the metal part on the appliance body 5 side and the connection fitting 2 can be reliably grounded.
[0038]
Next, a second embodiment will be described with reference to the drawings.
[0039]
FIGS. 9A and 9B are explanatory views showing a connection fitting of the second embodiment, in which FIG. 9A is a top view, FIG. 9B is a front view, and FIG. 9C is a side view. Note that the same components as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.
[0040]
As shown in FIG. 9, the connecting fitting 20 includes a connecting fitting main portion 21 and fixing portions 22A, 22A,... Provided at four corners at both ends of the connecting fitting main portion 21 and bent downward. Have been. Further, similarly to the first embodiment, a projection 24 and a predetermined space 25 are provided.
[0041]
In addition, a temporary fixing portion 26A is provided on one fixing portion 22A so that the distal end side of the fixing portion 22A is bent inward.
[0042]
In the present embodiment, first, the fixing portions 22A, 22A on the side where the temporary fixing portion 26A is provided are inserted into the mounting holes 61 and mounted. At this time, the fixing portion 22A, on which the temporary fixing portion 26A is not provided, is first inserted into the mounting hole 61, and then the temporary fixing portion 26A is inserted into the mounting hole 61, so that one of the instrument main bodies 5 can be inserted. The mounting of the connection fitting 20 is completed. After that, the lighting system is provided with the connection fitting 20 and the lighting fixtures 1 and 1 in substantially the same manner as in the first embodiment.
[0043]
According to the present embodiment, the same effects as in the first embodiment can be obtained, and the temporary fixing portion having a simpler configuration can be used.
[0044]
【The invention's effect】
According to the first aspect of the present invention, the connecting metal main part is arranged linearly so as to be adjacent to the mounting surface, and is in contact with the end top surface of the appliance main body; And a fixing portion inserted into a mounting hole formed at the end of the appliance main body; and a fixing portion formed at both ends of the connecting metal main portion, which is bent downward from both sides of the connecting metal main portion. A connecting portion; a protrusion provided between the fixing portion and the connecting portion and provided downward from an end of the connecting metal main portion so as to contact at least a top surface portion of the appliance body; and the fixing portion and the connecting portion. And a predetermined space portion provided so that the end portion of the appliance main body and the connecting portion do not come into contact with each other; and when the dimensions of the plurality of appliance main bodies to be connected differ due to manufacturing errors. Even if there is a connection bracket, it can be easily provided, It is possible to secure the grounding connection dimensional error affected hardly point of the fixings body, while it is possible to improve the workability, can be ground connected reliably obtained.
[0045]
According to the second aspect of the present invention, the fixing portion is provided with the temporary fixing portion which is provided on the distal end side and protrudes in a direction different from the fixing portion when viewed from the main part of the connection fitting. Thereby, in addition to the effect of claim 1, the workability in providing the connecting fitting and the instrument body is further improved.
[0046]
According to the third aspect, the effect of the first or second aspect is obtained.
[Brief description of the drawings]
FIG. 1 is an explanatory view showing a connection fitting of the first embodiment. FIG. 2 is an explanatory view showing a main part of the same instrument main body. FIG. 3 is an explanatory view showing a state where the same connection fitting is attached to one of the instrument main bodies. 4 is an explanatory view showing a state in which the connecting fitting is attached to one instrument main body. FIG. 5 is an explanatory view showing a state in which the connecting fitting of the present embodiment is attached to the other instrument main body. FIG. 7 is an explanatory view showing a state in which the lighting apparatus is attached to the apparatus main body. FIG. 7 is a perspective view showing a lighting system in which the above lighting apparatuses are connected. FIG. 8 is an enlarged view of a main part showing a connecting part in FIG. Explanatory drawing showing a connection bracket [Description of reference numerals]
2, 20 ... connecting fitting, 21 ... connecting fitting main part, 22, 22A ... fixed part, 23 ... connecting part, 24 ... protruding part, 25 ... predetermined space part, 26 , 26A: Temporary fixing part, 5: Instrument body

Claims (3)

A connecting metal main part arranged linearly so as to be adjacent to the mounting surface and abutting on an end top surface part of the equipment main body; and being bent downward at both ends of the connecting metal main part at both ends of the equipment main body. A fixing part to be inserted into the mounting hole;
A connecting portion bent downward from both sides of the connecting metal main portion between fixing portions formed at both ends of the connecting metal main portion;
A projecting portion provided between the fixing portion and the connecting portion and provided downward from an end of the connecting metal main portion so as to contact at least a top surface portion of the appliance main body;
A predetermined space portion provided between the fixing portion and the connecting portion such that the end portion of the device main body and the connecting portion do not come into contact with each other;
A connection fitting comprising: The connection according to claim 1, wherein the fixing portion includes a temporary fixing portion that is provided on the distal end side and protrudes in a direction different from the fixing portion when viewed from the connection fitting main portion. Metal fittings. A connection fitting according to claim 1 or 2;
A plurality of device bodies arranged linearly so as to be adjacent to the mounting surface by providing the connection fitting;
A lighting device, comprising:

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