JP3520811B2 - Hook ceiling - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hook ceiling to which hook blades can be connected.

[0002]

2. Description of the Related Art Conventionally, there has been provided a hook ceiling which is attached to a construction surface such as a ceiling surface and which has a hook blade receiving portion for connecting a hook plug blade provided in a lighting fixture.

By the way, in recent years, there have been provided lighting fixtures which are mounted near the ceiling surface. This kind of lighting fixture is easy to obtain a design that can be used comfortably regardless of whether it is a Western-style room or a Japanese-style room. It has the advantages that it can be mounted and replaced by the person himself, and that a structure that is difficult for insects to enter can be easily realized.

Various structures have been proposed for attaching this kind of lighting equipment to a hook ceiling, and the simplest structure is to provide a hook plug blade connected to a hook blade receiving portion of the hook ceiling on the lighting equipment to provide a hook plug. There is one that mechanically connects the hook ceiling and the lighting fixture only by connecting the blade and the hook blade receiving portion. For example, JP-A-7-3741
The one described in Japanese Patent No. 7 is configured so that a lighting fixture is attached to a hook ceiling via an adapter (hook cap).

[0005]

By the way, the present hook ceiling is provided with two pole hook blade receiving portions (that is, two hook plug blade insertion openings are provided), and the hook cap has a hook. Has two hook blades. on the other hand,
Although it may be desirable to ground to electrical equipment such as lighting fixtures that are coupled to the hook ceiling, current hook ceilings do not adequately accommodate the equipment for this type of appliance.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a hook ceiling capable of grounding as well as supplying power to an electric appliance.

[0007]

According to the present invention, there is provided a plurality of hooking plug blade insertion openings, which are directly attached in contact with a construction surface and are opened in an arc shape on a surface different from the construction surface side. The body,
A plurality of terminals provided in the body and to which electric wires are connected from the construction surface side, and a portion corresponding to each of the hooking blade insertion openings are respectively disposed in the body and electrically connected to the terminals separately. Hook receivers for hooking and holding the hook blade when the hook blade of the hook cap inserted from one end of the hook blade insertion opening is moved to the other end of the hook blade insertion opening. And a grounding electrode electrically connected to a terminal of the terminal to which a grounding electric wire is connected, for grounding to which an external grounding electrode is connected at a portion different from the construction surface side of the body. With a connection part and open at the top of the luminaire.
In the engagement hole with the body inserted in the engagement hole
The downward load of the lighting fixture by engaging with the locked portion
A locking portion that receives weight is provided on the outer peripheral portion of the body .

According to the second aspect of the present invention, a mounting bracket fixed to the construction surface and a plurality of hook plug blade insertion openings fixed to the construction surface via the mounting bracket and arcuately opening on a surface different from the construction surface side. And a terminal to which the electric wire from the construction surface side provided in the body is connected, and the terminal is arranged in the body at a portion corresponding to each hooking blade insertion opening The hooking blades of the hooking cap that are electrically connected to the hooking blades inserted from one end of the hooking blade insertion port move to the other end of the hooking blade insertion port, and the hooking blade holds the hooking blade. An external ground electrode is connected at a portion different from the construction surface side of the body, which has a hooking blade receiving portion and a ground electrode electrically connected to a terminal of the terminal to which a grounding electric wire is connected. Ground connection and opening on top of the luminaire
Inside the engagement hole with the body inserted into the engagement hole
Downward of the lighting fixture by engaging with the locked part of
A locking portion for receiving a load is provided on the outer peripheral portion of the body .

According to a third aspect of the present invention, in the first or second aspect of the present invention, the grounding connecting portion has a grounding electrode insertion opening that is open on the same surface as the hooking blade insertion opening in the container. The ground electrode contacts a ground pin inserted through the ground electrode insertion port.

According to a fourth aspect of the present invention, in the first or second aspect of the invention, three or more hooking blade insertion openings are provided, and the grounding connection portion is any one of the hooking blade insertion openings. Is used as a ground electrode.

According to a fifth aspect of the present invention, in the first to fourth aspects of the invention, between the terminal plate that contacts the electric wire introduced from the construction surface side of the container as the terminal and the electric wire between the terminal plate and the terminal plate. A quick-connect terminal having a locking spring that is sandwiched between and held by the lock is held.

According to a sixth aspect of the present invention, in the fifth aspect of the present invention, a terminal cover is attached to the interior of the container at least between the terminal and the construction surface, and the terminal cover is attached to the quick-connect terminal. A corresponding electric wire insertion opening is opened, and a jig insertion opening for inserting a jig for pushing and moving a release button for releasing the locked state of the electric wire by the locking spring is opened.

[0013]

The invention of claim 7 is from claim 1 to claim
In the sixth aspect of the invention, the locking portion is a protrusion that projects outward from the body.

The invention of claim 8 is defined by claim 1 to claim 1.
In the invention of claim 7, the locking portion is a projection protruding outward at least at a part of the outer peripheral portion of the lower end of the container.

The invention of claim 9 is defined by claim 1 to claim 1.
In the invention of claim 8, the locking portion is a brim-shaped projection projecting over the entire outer periphery of the lower end of the body.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) FIGS. 1 to 6 show a ceiling surface X as a construction surface (see FIGS. 7 to 9).
The hook ceiling 1 of this embodiment which has the body 11 fixed to the ceiling surface X via the attachment metal fitting 40 fixed to FIG.

The hook ceiling 1 is provided with a bottomed tubular container 11 having an open upper surface and a disk-shaped terminal cover 12 inserted into the container 11 from the upper surface side of the container 11, 11
The terminal cover 12 and the assembly screw 1 which is a tapping screw.
Bound by 3. The body 11 and the cover 12 are molded products of melamine phenol resin or polyester resin, which is a thermosetting resin, and have flame retardancy.

The body 11 has a circular horizontal cross section, and the body 1
The diameter of the upper part of the peripheral wall of No. 1 is wider than that of the lower part and the covering part 11b
To form. The cover portion 11b extends in a brim shape from the upper edge of the storage portion 11c, which is the lower portion of the body 11, and is formed so that the outer peripheral portion rises upward. As shown in FIG. 5, a standing wall 14 is projectingly provided on the inner surface of the bottom wall of the body 11, and with the terminal cover 12 placed on the standing wall 14, the assembly screw 13 is screwed into the standing wall 14 through the terminal cover 12. By doing so, the body 11 and the terminal cover 12 are coupled. The terminal cover 12 covers an opening on the upper surface side of the housing portion 11c of the body 11 over almost the entire surface, and jig insertion openings 12b are formed at both ends in the diametrical direction. Here, when the terminal cover 12 is placed on the compatible wall 14, the body 11, the terminal cover 12, and the standing wall 14 are arranged such that the upper surface of the terminal cover 12 is located lower than the upper surface of the body 11. And the dimensional relationship with are set (see FIG. 5).
That is, the opening surface of the base 11 and the upper surface of the terminal cover 12 are separated by a distance d (see FIG. 5).

The inside of the body 11 is divided by a partition wall 16 provided on the inner surface of the bottom wall of the body 11. Inside the body 11, a two-pole electric line for power supply and a one-pole electric line for grounding are provided, and each electric line is insulated by a partition wall 16. As shown in FIG. 2, on the peripheral portion of the bottom wall of the storage portion 11c of the body 11,
Two substantially arcuate hooking blade insertion openings 19 are opened, and a ground electrode insertion opening 18 is opened at the center of the bottom wall of the storage portion 11c. Both hook plug blade insertion openings 19 are formed on one arc centered on the center of the bottom wall of the body 11, and are each formed in an arc shape.

Each hooking blade insertion opening 19 has a wide portion 19a, which is wider than the other portions, at the left end when viewed from the center of the body 11 in FIG. The wide portion 19a widens the width of the hooking blade insertion opening 19 so as to project inward with respect to the narrow portion 19b which is another portion. To insert the hook plug blade 61 (see FIG. 11) having an L-shaped tip into the hook plug blade insertion port 19, after inserting the hook plug blade 61 from the wide portion 19a into the hook plug blade insertion port 19, By rotating the hook blade 61 in the clockwise direction, the tip of the hook blade 61 overlaps the peripheral edge of the narrow portion 19b of the hook blade insertion opening 19. A hooking blade receiving portion (not shown) electrically connected to the terminal fitting 20 (see FIG. 5) is provided near the narrow portion 19b of the hooking blade insertion opening 19, and the hooking blade 61 When the tip of the hook blade is introduced into the narrow portion 19b, the tip of the hook plug blade 61 is hooked and held by the hook blade receiving portion.

The terminal fittings 20 are made of sheet metal and three pieces are provided in the body 11. Each of the terminal fittings 20 is formed in a U-shape having a pair of terminal plates 20a that are in contact with the partition wall 16 and are erected on the inner peripheral surface of the bottom wall of the body 11 as both legs. A hooking blade receiving portion is integrally formed on the lower edges of the two terminal fittings 20, and a ground electrode (not shown) facing the central portion of the body 11 is formed on the lower edge of the remaining one terminal fitting 20. ) Is integrally formed. The hook blade receiving portion is arranged along the hook plug blade insertion opening 19, and the ground electrode is arranged so as to face the ground electrode insertion opening 18. That is, the ground electrode insertion port 18 and the ground electrode form a ground electrode connection portion.

Locking springs 32 are arranged to face each terminal plate 20a of the terminal fitting 20. The locking spring 32 bends one end of the strip into an S-shape to contact the contact piece 3
2a is formed, and the other end is bent in a J shape so that the locking piece 32
The contact piece 32a and the locking piece 32b are arranged so as to face the terminal board 20a.
That is, two locking springs 32 are arranged corresponding to one terminal fitting 20.

As shown in FIGS. 7 to 9, the lock piece 32 is inserted through the wire insertion port 33 formed in the terminal cover 12 for introducing the wire L from the ceiling surface X into the body 11.
If the electric wire L is introduced from the b side, the electric wire L can be sandwiched between the contact piece 32a and the locking piece 32b and the terminal plate 20a. At this time, the contact piece 32a comes into contact with the electric wire L for electrical connection. The state is secured, and the tip end edge of the locking piece 32b is held so as not to bite into the electric wire L and to prevent the electric wire L from coming off. As described above, the terminal for connecting the electric wire L forms a so-called quick-connect terminal using the terminal plate 20a and the lock spring 32.

By the way, in order to remove the electric wire L held by the terminal plate 20a and the locking spring 32, a release button 31 is arranged in the body 11. The release button 31 is the partition wall 16
It is arranged so as to be slidable up and down along. A part of the release button 31 is exposed from the jig insertion opening 12b which is a notch provided in the terminal cover 12, and the other part abuts a part of the locking piece 32b of the locking spring 32.

When the tip of the jig such as a flat head screwdriver is inserted through the jig insertion opening 12b while the wire L is being held and the release button 31 is pushed and moved, the lock spring 32 is released by the release button 31. The locking piece 32b of the terminal plate 20
The lock piece 32 can be bent in a direction away from a.
b comes off the electric wire L, and the electric wire L can be pulled out as it is.

Here, the release button 31 is arranged so as to straddle the three terminal boards 20, and the three lock springs 32 separated via the partition wall 16 are collectively operated. Are arranged as follows. In this embodiment, 3 to 6 locking springs 3
2 is provided, and one release button 3 is provided for each of the three lock springs 32.
Two release buttons 31 are arranged corresponding to 1. Therefore, the two terminal boards 20 provided on one terminal fitting 20
a is electrically connected, the electric wire from the power source side is connected by the terminal fitting 20 and the locking spring 32 using one of the electric wire insertion openings 33 arranged vertically in FIG. Can be used to connect an electric wire for feed wiring to another hook ceiling or the like. For example, when a plurality of hook ceilings are installed in parallel, a wire L from a power source is connected to one of the hook ceilings and feed wiring is performed between each pair of hook ceilings adjacent to each other. Can be connected in parallel. 7 to 9
Shows such a connection state, and one of the two electric wires L in the drawing shows the power supply side and the other shows the feed wiring side.

By the way, a cover portion 11b provided on the body 11
A fixing notch 11d is formed at two locations on the upper end of the mounting bracket 40, and the ear 40a provided on the mounting bracket 40 is inserted into the fixing notch 11d so that the mounting bracket 40 is positioned on the body 11. Has become. The mounting bracket 40 has a body mounting hole 41 that is a screw hole, and is connected to the body 11 by a mounting screw 42 that is inserted into the insertion hole 11 e of the body 11 and screwed into the body mounting hole 41.

On the other hand, the mounting member 40 is formed in a disc shape,
An opening window 43 for exposing the electric wire insertion port 33 and the release button 31 is formed in the central portion. A punching portion 48 that is punched in the thickness direction of the fitting 40 is formed around the opening window 43 to increase the strength of the fitting 40 and make it difficult to bend.
Further, arc-shaped mounting holes 44 are formed at four locations around the opening window 43 along the circumferential direction of the mounting bracket 40. Each mounting hole 44 has a so-called Daruma hole shape in which the left end is formed to have a large diameter when viewed from the center of the upper surface of the mounting member 40. Therefore, at the time of construction, the mating member should be loosely tightened, and the head of the screw should pass through the large diameter part before the mounting bracket 40
If you rotate, then tighten the screw,
The mounting bracket 40 can be fixed to the counterpart member. Here, the distance between the mounting holes 44 which are separated in the diametrical direction is an embedded box 45 such as a switch box (see FIGS. 8 and 9).
It is adjusted to the distance between the pair of tongue pieces 45a provided on the.
That is, this type of embedded box 45 is a standard product provided for wiring equipment, and the pitch W of the portion of the tongue piece 45a into which the box screw 46 is screwed is 66.7.
It is set to mm. Therefore, the pitch between the pair of mounting holes 44 in the diameter direction is also set to 66.7 mm.

Since it is constructed as described above, FIG.
As shown in FIG. 9, when the embedded box 45 is provided in the ceiling, after attaching the mounting bracket 40 to the embedded box 45 with the box screw 46, the electric wire L is connected, and then the mounting bracket 40. The fixing notch 11d of the body 11 may be aligned with the ear portion 40a and positioned, and the body 11 may be fixed to the mounting bracket 40 using the mounting screw 42. Here, the cover portion 11b of the body 11 is the box screw 44.
It is formed to have a size capable of covering the embedded box 45. Specifically, the diameter s of the upper end of the cover portion 11b is 95
It is set to mm.

When directly attached to the ceiling surface X, the body 11
Instead of inserting the fixing screw into, the fixing screw 47 is screwed into the ceiling through the mounting hole 44 of the mounting bracket 40 as shown in FIG. In this case, it is possible to easily construct and install by simply forming the through hole H for passing the electric wire L on the ceiling surface X.

By the way, in this embodiment, the distance d from the upper edge of the body 11 to the upper surface of the terminal cover 12 (see FIG. 5).
Is set to 6 mm or more. Therefore, if the dimensions are set in this way, the terminal and the mounting bracket 40
Can be maintained at 6 mm or more, and the distance between the metal lid and the charging part can be 6 mm or more, which satisfies the provisions of the Electrical Appliance and Material Act. Here, since the ear 40a of the mounting bracket 40 is inserted into the fixing notch 11d, the mounting bracket 40 and the terminal cover 12 are as thick as the mounting bracket 40.
Although the distance from the upper surface of the terminal is short, the charging portion of the terminal is located below by the thickness of the terminal cover 12, so that the mounting bracket 40 and the terminal can be separated by 6 mm or more.

At the lower end of the outer peripheral surface of the peripheral wall of the body 11, a brim-shaped projection 10 forming a locking portion is provided over the entire circumference. The horizontal cross section of the upper outer peripheral surface of the body 11 and the collar-shaped projection 10 is circular, and the lower end of the body 11 has a diameter φ (see FIG. 6) of 6
5 mm or less, the total height h of the body 11 is 23 mm
It is formed below. That is, the outer diameter φ of the collar-shaped protrusion 10
Is set to 65 mm or less.

The hook ceiling 1 constructed as described above.
In order to attach the lighting fixture to the lighting fixture 2, as shown in FIGS. 9, 10, and 12, the engaging hole 53 that vertically penetrates is formed in the fixture 52 provided in the central portion of the fixture body 50 of the lighting fixture 2. A locking claw 9a of the slide member 9 provided so as to be retractable from the inner wall opposite to the engaging hole 53 is locked to the upper surface of the flange-shaped projection 10. Here, the slide member 9 is a locking claw 9a which is movable in the diametrical direction of the hook ceiling 1 between a position where it is locked on the flange-shaped projection 10 and a position where it is disengaged from the flange-shaped projection 10.
A return spring 9b for urging the locking claw 9a to a position where the locking claw 9a is locked on the collar-shaped projection 10, and the slide member 9 for returning the spring 9.
A manual operation portion 9c for retracting the locking claw 9a into the fixture 52 against the return of b is provided. Therefore, by locking the locking claw 9a to the flange-shaped projection 10, the downward load of the lighting fixture 2 is received at this portion and mechanically held to the hook ceiling 1. The thickness t (see FIG. 6) of the collar-shaped projection 10 in the vertical direction is 3 mm.
With the above settings, the body 11 can be supported by a load of about 10 kg by forming it with the above-mentioned dimensions while forming it with the thermosetting synthetic resin. When the locking claw 9a and the collar-shaped projection 10 are released from the locked state, the manual operation portion 9c facing the opening of the lower surface of the mounting tool 52 is manually pushed against the return spring 9b to mount the mounting tool 5.
2 retracting the locking claw 9a into the locking claw 9a and the collar-shaped projection 1
The locked state with 0 may be released.

With the above-described structure, the load of the lighting fixture 2 is received not only by the hooking blade receiving portion, which is an electrical connection portion, but also by the collar-shaped projection 10 formed on the body 11.
It is possible to attach the lighting fixture 2 having a weight of 5 kg or more, while satisfying the condition that the load of 5 kg or more is not applied to the electrical connection portion defined by the Electrical Appliance and Material Law. Further, since the mechanical coupling portion with the lighting fixture 2 is provided not only on the hooking blade receiving portion but also on the peripheral portion of the hooking ceiling 1, the lighting fixture 2
The strength of fixing the lighting fixture 2 is increased, and the lighting fixture 2 can be fixed so as not to wobble. Moreover, since no load is applied to the peripheral portion of the mounting bracket 40 as in the conventional configuration, the mounting bracket 40 is not deformed over time, and the mounting bracket 40 does not bend due to vibration such as an earthquake, and thus the lighting fixture. Two
The mounting strength of is increased.

The luminaire 2 is an annular fluorescent lamp 54.
The fluorescent lamp 54 is electrically connected to a lamp socket 55 provided on the lower surface of the instrument body 50, and is held by the lamp socket 55 and a support spring 56. Further, a shade 57 is detachably attached so as to cover the lower surface of the device body 50. Further, a connection cord 58 connected to a lighting device (not shown) for lighting the fluorescent lamp 54 is led out from the instrument body 50, and the connection cord 58 is connected.
A hook cap 60 shown in FIG. 11 is provided at the front portion of the hook, and power is supplied to the lighting fixture 2 by connecting the hook cap 60 to the hook ceiling 1 of the present embodiment as shown in FIG.

As shown in FIG. 11, the hooking cap 60 includes a pair of hooking blades 61 projecting from both ends of one surface of a synthetic resin cap body 62, and a grounding pin projecting in the center of one surface of the cap body 62. (Ground electrode) 63 and
The connection cord 58 introduced inside from a cord introduction port (not shown) opened on the other surface of the cap body 62 is hooked to the blade 6
1 and ground pin 63.

Therefore, as described above, when the hooking blade 61 is inserted into the hooking blade insertion opening 19 and the grounding pin 63 is inserted into the grounding electrode insertion opening 18, the grounding pin 63 comes into contact with the grounding electrode. When the cap body 62 is rotated in this state,
The hook blade 61 is connected to the hook receiving portion.

(Second Embodiment) In the first embodiment, an example in which the ground electrode insertion port 18 is provided in the central portion of the lower surface of the body 11 is shown, but in the present embodiment, FIGS. As shown in FIG. 3, three hooking blade insertion openings 19 are provided, and one of them is used as the ground electrode insertion opening 18. That is, the three hooking blade insertion ports 19 are formed in an arc shape (the diameters may be different) with the common center, and the body 1
Hooking plug blade insertion opening 1 that becomes the grounding electrode insertion opening 18 in 1
A hook blade receiving portion (not shown) serving as a ground electrode is arranged at a portion corresponding to 9. The ground electrode is electrically connected to a terminal to which an electric wire for grounding is connected, and a quick-connect terminal is used for the terminal as in the first embodiment. Other configurations and operations are similar to those of the first embodiment.

(Third Embodiment) In the first embodiment, the structure in which the body 11 is connected to the mounting metal fitting 40 fixed to the construction surface is adopted, but in the present embodiment, the mounting metal fitting 40 is used.
An example of using the body 11 that is directly attached to the construction surface without using is shown. That is, as shown in FIG. 15 to FIG. 17, the ceiling surface X (see FIGS. 18 and 19) as a construction surface is placed so that the upper surface of the body 1 is in contact. The hook ceiling 1 is a bottomed cylindrical container 11 having an open top surface.
And a rectangular terminal cover 12 inserted into the body 11 from the upper surface side of the body 11, the body 11 and the terminal cover 1
The two are connected by a driving tack (not shown).

The body 1 is provided at two locations on the inner peripheral surface of the peripheral wall of the body 11.
An insertion hole 15 is formed so as to penetrate vertically above and below. A fixing screw (not shown) is inserted into the insertion hole 15 from the lower surface side of the body 1, and the body 1 is fixed to the ceiling surface by screwing the upper end portion of the fixing screw into the ceiling surface X. You can
In the configuration of this embodiment shown in FIGS. 15 to 19,
The members designated by the same reference numerals as those in the first embodiment have the same functions as those in the first embodiment, and therefore the description thereof will be omitted.
Reference numeral 51 in FIG. 17C is a strip gauge of the electric wire L. If the insulating coating of the electric wire L is cut so as to match the length of the strip gauge 51, the electric wire L is inserted into the electric wire insertion opening 33. The length becomes the optimum length.

[0042]

According to the first aspect of the present invention, the shape abutting on the construction surface is used.
A body having a plurality of hooking blade insertion openings that are directly attached to the work surface side and open in an arc shape on a surface different from the construction surface side, and a plurality of terminals provided on the body and to which electric wires from the construction surface side are connected And a hook cap blade of a hook cap inserted from one end of the hook cap blade insertion port, which is disposed in the body at a portion corresponding to each hook plug blade insertion port and electrically connected to each terminal separately. It has a hook blade receiving part that hooks and holds the hook blade when it moves to the other end of the hook blade insertion port, and a ground electrode that is electrically connected to the terminal to which the ground wire is connected. The grounding connection to which the external grounding electrode is connected at a site different from the construction surface side of the housing and the engagement open on the upper surface of the lighting fixture
Locked in the engagement hole with the body inserted in the hole
The downward load of the luminaire by engaging the
Since a locking portion is provided on the outer peripheral portion of the body and a grounding connection portion to which an external grounding electrode is connected is provided, a grounding electrode of an electric device is provided by using a hook ceiling exposed on the construction surface. Can be connected, improving usability. further,
The state that the body is inserted in the engagement hole opened on the top surface of the lighting fixture.
Lighting device by engaging with the locked portion in the engagement hole in the state
A locking part that receives a downward load is provided on the outer peripheral part of the body
Support part of the load of the lighting equipment with the locking part provided on the body
Therefore, a heavy luminaire can be removed.
It has the advantage that it can be attached. Moreover, Teru
A mechanical connection with the light fixture is provided in addition to the hook blade.
Check that it is securely connected to the lighting fixture.
It is easy to prevent the accidental fall of the lighting equipment,
Isn't the hook blade only supporting the load of the luminaire?
It is possible to prevent the hook blade from being deformed over time,
This has the advantage of improving the reliability of the electrical connections.
It

According to a second aspect of the present invention, a mounting bracket fixed to the construction surface, and a plurality of hook plug blade insertion openings fixed to the construction surface through the mounting bracket and opening in an arc shape on a surface different from the construction surface side. And a terminal provided with the body to which an electric wire from the construction surface side is connected, and a portion corresponding to each hooking blade insertion opening is respectively disposed in the body and the terminals are electrically connected to each other. A hooking blade receiving portion for hooking and holding the hooking blade when the hooking blade of the hooking cap inserted from one end of the hooking blade insertion opening is moved to the other end of the hooking blade insertion opening, The grounding connection part, which has a grounding electrode electrically connected to the terminal to which the grounding electric wire is connected, and which is connected to an external grounding electrode at a portion different from the construction surface side in the body, and lighting. vessel
State where the body is inserted in the engagement hole opened on the upper surface of the tool
By engaging the locked portion in the engaging hole with
The locking part that receives the downward load of the light fixture is the outer peripheral part of the body.
Since it has a grounding connection part to which an external grounding electrode is connected, it has an instrument body that is attached to the construction surface by using a mounting bracket that is fixed to the construction surface, and an electrical device using a hook ceiling. The ground electrode of can be connected, improving usability. In addition, the engaging hole opened on the upper surface of the lighting fixture
Engage with the locked part in the engagement hole with the body inserted in
The locking part that receives the downward load of the luminaire
Since it is provided on the outer periphery of the body, part of the load of the lighting equipment is
It can be supported by the locking part provided on the
The advantage of being able to attach large lighting fixtures
There is a point. Moreover, the mechanical connection with the lighting fixture is hooked.
Since it is provided in addition to the blade, it is securely connected to the lighting equipment.
It is easy to check whether or not the
It is easy to stop, and the load of the lighting equipment can be
Since it does not support, it prevents the hook blade from being deformed over time.
The result is a reliable electrical connection.
There is an advantage of going up.

According to a third aspect of the present invention, in the first or second aspect of the present invention, the grounding connection portion has a grounding electrode insertion opening that opens on the same surface of the body as the hooking blade insertion opening. The electrode comes into contact with the ground pin inserted through the ground electrode insertion port, so that an electric device having a ground pin as a ground electrode can be easily connected.

According to a fourth aspect of the invention, in the invention of the first or second aspect, three or more hooking blade insertion holes are provided, and the grounding connection portion corresponds to any one hooking blade insertion port. The hook blade receiving portion is used as a ground electrode, and an electric device having a hook blade as a ground electrode can be easily connected.

According to a fifth aspect of the present invention, in the first to fourth aspects of the present invention, a terminal is provided between the terminal plate, which comes into contact with the electric wire introduced from the construction surface side of the container, and the electric wire. It uses a quick-connect terminal that has a locking spring that holds it to prevent it from coming off, and the wire can be connected simply by introducing the wire between the terminal plate and the locking spring, making wiring work easy. Is.

According to a sixth aspect of the invention, in the fifth aspect of the invention, a terminal cover is attached inside the body at least between the terminal and the construction surface, and the terminal cover corresponds to the quick-connect terminal. The wire insertion port opens, and the jig insertion port for inserting the jig for pushing the release button that releases the locked state of the wire by the locking spring is also opened. The electric wire connected to can be easily removed. Moreover, the electric wire cannot be removed unless the jig is inserted into the jig insertion port, which prevents the electric wire from being unintentionally pulled out.

[0048]

The invention of claim 7 is defined by claim 1 to claim
In the sixth aspect of the invention, since the locking portion is a protrusion that projects outward from the body, the locking portion can be formed at the same time when the body is molded.

The invention of claim 8 is defined by claim 1 to claim
In the invention of claim 7 , since the locking portion is a projection protruding outward to at least a part of the outer peripheral portion of the lower end of the body, the locking portion is formed at the same time as the molding of the body as in the invention of claim 8. be able to.

The invention of claim 9 is defined by claim 1 to claim
In 8 aspect, since the flange-like projection projecting over the entire circumference of the engaging portion in the lower outer peripheral portion of the device body, also claim 7
As in the eighth aspect of the invention, the locking portion can be formed at the same time as the molding of the body, and the connecting position is not limited at the time of connecting with the lighting device, so that the mounting work is easy, and the lighting device is also easy. The engaged portion of is also easy to design.

[Brief description of drawings]

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

FIG. 2 is a bottom view of the above.

FIG. 3 is a plan view of the above.

FIG. 4 is a plan view showing a state in which the above mounting bracket is removed.

5 is a sectional view taken along line AA in FIG. 4 above.

FIG. 6 is a side view of the above.

FIG. 7 is a cross-sectional view showing a state in which the same is directly attached to a ceiling surface.

FIG. 8 is a cross-sectional view showing a state in which the same is attached to a ceiling surface using an embedded box.

FIG. 9 is a cross-sectional view showing a state in which the same is attached to a ceiling surface using an embedded box and a lighting fixture is connected.

FIG. 10 is an exploded perspective view illustrating a mounting state of the lighting fixture in the above.

FIG. 11 is a side view showing a hook cap coupled to the same.

FIG. 12 shows a state in which a hook cap is connected to the above,
(A) is a partially broken side view, and (b) is a bottom view of the same.

FIG. 13 is a perspective view showing a second embodiment of the present invention.

FIG. 14 is a bottom view of the above.

FIG. 15 is a perspective view showing a third embodiment of the present invention.

FIG. 16 is a sectional view of the above.

FIG. 17 shows the same as above, (a) is a bottom view, (b) is a side view, and (c) is a front view.

FIG. 18 is a cross-sectional view showing a state in which the same is mounted on a ceiling surface.

FIG. 19 is a cross-sectional view showing a state in which the same is directly attached to a ceiling surface and a lighting fixture is connected.

[Explanation of symbols]

1 hook ceiling 10 collar-shaped protrusion 11 body 12 terminal cover 12b Jig insertion slot 18 Grounding electrode insertion port 19 Hook plug blade insertion port 20a terminal board 31 Release button 32 Locking spring 33 Electric wire insertion port 40 mounting bracket 50 lighting equipment 53 engagement hole 60 hook cap 61 hook blade L electric wire X ceiling surface

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-4-253175 (JP, A) JP-A-7-122107 (JP, A) JP-A-7-37417 (JP, A) Actual Kaihei 4- 18989 (JP, U) Actual Kaihei 2-145776 (JP, U) Registered utility model 3022596 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) H01R 13/46 303 F21V 21 / 02 101 H01R 33/46

Claims (9)

(57) [Claims] 1. A container body having a plurality of hooking blade insertion openings, which are directly attached in contact with the construction surface and are opened in an arc shape on a surface different from the construction surface side, and construction provided on the construction body. A plurality of terminals to which electric wires from the surface side are connected, and a hook plug that is respectively disposed in the body at a portion corresponding to each of the hook plug blade insertion openings and that is electrically connected to the terminals separately. Of the terminals, a hook blade receiving portion that holds the hook plug blade when the hook plug blade of the hook cap inserted from one end of the blade insertion port moves to the other end of the hook plug blade insertion port. A lighting device having a grounding electrode electrically connected to a terminal to which a grounding electric wire is connected, and a grounding connection part to which an external grounding electrode is connected at a portion different from the construction surface side in the body,
The state that the body is inserted into the engagement hole opened on the upper surface of the device
By engaging with the locked portion in the engaging hole in the state
The locking part that receives the downward load of the lighting fixture is attached to the outer periphery of the body.
Hook ceiling, which is equipped with a part . 2. A body having a mounting bracket fixed to the construction surface and a plurality of hooking blade insertion openings fixed to the construction surface via the mounting bracket and opening in an arc shape on a surface different from the construction surface side. When,
Terminals that are provided in the body and to which electric wires from the construction surface side are connected, and terminals that are respectively disposed in the body at portions corresponding to the hooking blade insertion openings and that are electrically connected to the terminals separately A hook blade receiving portion that holds the hook blade when the hook blade of the hook cap inserted from one end of the hook blade insertion opening is moved to the other end of the hook blade insertion opening, Among the terminals, a grounding electrode having a grounding electrode electrically connected to a terminal to which an electric wire for grounding is connected, and a grounding connecting portion to which an external grounding electrode is connected at a site different from the construction surface side in the body. , In the engaging hole opened on the upper surface of the lighting fixture
Engage with the locked part in the engagement hole with the body inserted
Locking by receiving the downward load of the lighting fixture by
A hook sealing, characterized in that a portion is provided on an outer peripheral portion of the container . 3. The grounding connection portion has a grounding electrode insertion opening that opens on the same surface of the body as the hooking blade insertion opening, and the grounding electrode is connected to a grounding pin inserted through the grounding electrode insertion opening. The hook sealing according to claim 1 or 2, wherein the hook sealing is in contact. 4. The hook plug blade insertion opening is provided in three or more pieces, and the ground connection portion uses a hook blade receiving portion corresponding to any one of the hook plug blade insertion openings as a ground electrode. The hook ceiling according to claim 1 or claim 2. 5. A speed controller comprising: a terminal plate, wherein the terminal is in contact with an electric wire introduced from a construction surface side of the body, and a locking spring that holds the electric wire between the terminal plate and the terminal plate to prevent the electric wire from coming off. It is a connection terminal, The hook ceiling in any one of Claim 1 thru | or 4 characterized by the above-mentioned. 6. A terminal cover is attached at least between the terminal and the construction surface in the body, and a wire insertion opening corresponding to the quick-connect terminal is opened in the terminal cover, and a lock is provided. 6. The hook sealing according to claim 5, wherein a jig insertion opening for inserting a jig for pushing and moving a release button for releasing the locked state of the electric wire by the spring is opened. 7. The locking portion projects outward from the body
Claim 1 thru | or Claim which is a protrusion which does.
The hook ceiling according to any one of 6 above. 8. The locking portion is formed on a lower peripheral portion of a lower end of the body.
Characterized by a protrusion that protrudes outward at least partially
The hook ceiling according to any one of claims 1 to 7 . 9. The locking portion is entirely attached to a peripheral portion of a lower end of the body.
A contract characterized in that it is a brim-shaped projection that projects over the circumference.
Hooking Sea <br/>-ring according to any one of Motomeko 1 to claim 8.