JP2001291421A - Closed type illumination apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a closed type illumination apparatus allowing easy maintenance of a power cable while maintaining water proofing performance. SOLUTION: The closed type illumination apparatus comprises an apparatus body (2) internally mounted with a light source (1) and a light transmissive panel (3) mounted on an opening portion of the apparatus body (2) for closing the apparatus body (2). A coupling (7) is provided to which a cable pipe (4) is tied storing the power cable (5) attached to the shell face of the apparatus body (2) with a portion embedded in the apparatus body (2). A water-proof cable connector (6) is provided at the end of the coupling (7) inside the apparatus body (2) for preventing moisture from an internal of the cable pipe (4).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a closed lighting device, and more particularly to a closed lighting device useful for use in a place where rain and moisture are required.
More particularly, the present invention relates to a closed-type lighting device useful for being used outdoors when being embedded in the ground, embedded in a wall of a building, or attached to a bathroom.

[0002]

2. Description of the Related Art As a conventional closed type luminaire, for example, as shown in FIG. 4, there is a luminaire main body (2), and a light source (1) is provided inside the luminaire main body (2). A transparent panel (3) is attached to the opening of the appliance body (2), the appliance body (2) is sealed, and a waterproof cable connected to the conduit (4) containing the power supply wire (5). It is known that the connector (6) is attached outside the above-mentioned device main body (2). Such a closed-type lighting device is installed outdoors under the ground, and the outside of the device main body (2) is installed. The surroundings were used by burying concrete (11).

[0003]

However, in such a closed type luminaire, the presence of the waterproof cable connector (6) can prevent moisture and the like from inside the conduit (4), thereby providing a waterproof property. However, after installation as described above, since the concrete (11) was buried around the outside of the appliance body (2), the power supply wire (5)
In the case of maintenance, etc., the above concrete (1
If 1) is not removed, the maintenance of the power supply wire (5) cannot be performed, which is very troublesome.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and an object of the present invention is to provide a sealed lighting apparatus capable of easily performing maintenance of a power supply line while maintaining waterproofness. To provide.

[0005]

According to a first aspect of the present invention, there is provided a closed type luminaire having a luminaire body (2) provided with a light source (1) therein, and an opening of the luminaire body (2). A light-transmitting panel (3) is attached to the lighting device, and the lighting device (2) is hermetically sealed. A coupling (7) is provided for connecting a conduit (4) containing a power supply wire (5) so as to be buried therein, and the coupling (7) is provided at an inner end of the appliance body (2). A waterproof cable connector (6) for preventing moisture from inside the conduit (4) is provided.

A closed-type lighting device according to a second aspect of the present invention is characterized in that the coupling (7) is provided substantially horizontally to a lower outer surface of the device main body (2). And

A closed-type lighting device according to a third aspect of the present invention is characterized in that the waterproof cable connector (6) is integrally formed with the coupling (7).

According to a fourth aspect of the present invention, in the closed-type lighting device, a part of the coupling (7) embedded in the device main body (2) is a portion of the waterproof cable connector (6). That the waterproof cable connector (6) is attached to the outer surface of the device body (2) by an O-ring (10) or a packing (13) from at least one of the inside and the outside. Features.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the drawings according to embodiments.

FIG. 1 is a sectional view showing a closed-type lighting device according to an embodiment of the present invention. FIG. 2 is a cross-sectional view illustrating a sealed lighting device according to another embodiment of the present invention. FIG. 3 is a cross-sectional view showing a main part of the closed-type lighting device of FIG.

[0011] The closed-type lighting device of the present invention is useful for use in places where rain-proof and moisture-proof are required.
Specifically, it is useful for being embedded outdoors in the ground, embedded in a wall of a building, or attached to a bathroom.

As shown in FIGS. 1 to 3, this closed type lighting apparatus has an apparatus main body (2) equipped with a light source (1) inside, and a transparent part is provided in an opening of the apparatus main body (2). In a sealed lighting device in which a light panel (3) is attached and the device body (2) is sealed, the device body (2) is provided.
A coupling (7) to which a conduit (4) containing a power supply wire (5) is connected so as to be attached to the outer surface of the device and partially buried in the device body (2); A waterproof cable connector (6) for preventing moisture from inside the conduit (4) is provided at an end of the ring (7) inside the device main body (2).

The light source (1) uses, for example, a lamp as shown in FIGS. 1 and 2, but is not limited thereto as long as it is used as a light source. Can be adopted. The light source (1) is provided inside the instrument main body (2).

As the device main body (2), various devices can be used according to the shape and size of the light source (1), and this is not particularly limited.

The translucent panel (3) is shown in FIGS.
As shown in (1), the device is attached to the opening of the device main body (2), and the end is provided with a packing or the like. The size and shape of the light-transmitting panel (3), such as the size and thickness, can be freely set according to the size of the opening of the appliance body (2). The instrument main body (2) is sealed by the translucent panel (3).

As shown in FIGS. 1 and 2, the electric conduit (4) is provided with a power supply electric wire (5).
The material and shape of the conduit (4) may be the same as those usually used.

As shown in FIGS. 1 and 2, the coupling (7) connects the conduit (4). The coupling (7) is connected to the device main body (2).
And a part thereof is buried in the instrument body (2). As a method of attaching the coupling (7) to the outer surface of the appliance body (2), for example, a welded portion (8) is formed by welding around the coupling (7) as shown in FIG. It can be attached with. Further, an O-ring (10) may be attached around the coupling (7) as shown in FIG.

The waterproof cable connector (6) is for preventing moisture from inside the conduit (4), and as shown in FIGS. 1 and 2, the appliance body (2) of the coupling (7). It is provided at the inner end. It is wired so as to be connected to the light source (1) in the appliance body (2) via the waterproof cable connector (6).

Such a closed-type lighting device is installed outdoors underground or the like in the same manner as in a conventional case, and as shown in FIGS.
Is used by embedding concrete (11) around the outside.

According to the present invention, by adopting such a structure, the presence of the waterproof cable connector (6) provided at the inner end of the coupling (7) inside the device main body (2) allows the conduit (4) to be provided. ) Moisture from the inside can be prevented, the waterproof property is maintained, and after the instrument body (2) equipped with the light source (1) is installed inside, the outer periphery of the instrument body (2) is installed. Even when the concrete (11) is buried, the power supply wire (5) is attached to the outer surface of the appliance body (2) so that a part thereof is buried in the appliance body (2). The coupling (7), to which the conduit (4) containing the power cable (4) is connected, enables the maintenance of the power cable (5) without removing the concrete (11) during maintenance of the power cable (5). What can be done and the result To, as the maintenance of the power supply wire (5), becomes very easy.

That is, according to the present invention, maintenance of the power supply wire (5) can be easily performed while maintaining waterproofness.

As shown in FIGS. 1 and 2, when the coupling (7) is provided substantially horizontally with respect to the lower outer peripheral surface of the instrument body (2), the instrument body (2) is provided. The power line (5) is easy to see when the maintenance work is performed on the power line (5) by the coupling (7) provided substantially horizontally to the lower outer surface of the power line (5). Therefore, maintenance of the power supply wire (5) can be performed more easily.

Further, as shown in FIGS. 2 and 3, when the waterproof cable connector (6) is integrally formed with the coupling (7), the waterproof cable connector (6) is integrally formed. Coupling (7)
As a builder, when the power supply wire (5) is to be connected to the light source (1) in the appliance body (2) at the time of maintenance or the like, the power supply wire (5) is used. The connection is easy and the work is easy, and as a result, the maintenance of the power supply wire (5) can be more easily performed. Moreover, the coupling (7) integrally formed with the waterproof cable connector (6) does not need to be attached to the outer surface of the instrument body (2) by welding the coupling (7). This improves the efficiency of assembly.

In particular, as shown in FIG. 3, a part of the coupling (7) embedded in the appliance body (2) is a part of the waterproof cable connector (6),
An O-ring (10) or a packing (1) is attached to the waterproof cable connector (6) from at least one of the inside and the outside on the outer surface of the device main body (2).
With the waterproof cable connector (6) and the O-ring (10) or the gasket (13), the waterproofness as a sealed lighting device can be more surely secured. It will improve.

More specifically, as shown in FIG. 3, the outer surface of the instrument body (2) may be attached to the inner and outer sides by the O-ring (10) or the packing (13). Or the above-mentioned instrument body (2)
May be attached only to the inside with the O-ring (10) or the packing (13), and further, on the outer surface of the instrument body (2),
O-ring (10) or packing (1)
It may be attached in 3). Further, if necessary, a nut (9) or a lock nut (12) as shown in the figure may be employed.

According to the closed-type lighting device of the present invention, as shown in FIGS. 1 to 3, there is a device main body (2) equipped with a light source (1) inside, and an opening of the device main body (2) is provided. In a closed-type lighting device in which a light-transmitting panel (3) is attached and the device main body (2) is hermetically sealed, a part is buried in the device main body (2) by being attached to the outer surface of the device main body (2). A coupling (7) to which a conduit (4) containing a power supply wire (5) is connected is provided, and the electric wire is provided at an inner end of the coupling (7) inside the appliance body (2). Since the waterproof cable connector (6) for preventing moisture from the inside of the pipe (4) is provided, the presence of the waterproof cable connector (6) provided at the inner end of the coupling (7) inside the device body (2). , Can prevent moisture from inside the conduit (4), On the water is maintained, after the setting of the light source (1) equipped with the instrument body (2) therein,
Even in the case where concrete (11) is buried around the outer periphery of the appliance main body (2), it is attached to the outer surface of the appliance main body (2) and a part is buried in the appliance main body (2). The coupling (7) to which the conduit (4) containing the power supply wire (5) is connected so that the concrete (11) can be removed during maintenance of the power supply wire (5). Maintenance and the like of the power supply wire (5) can be performed, and as a result, maintenance of the power supply wire (5) becomes very simple.

That is, according to the present invention, maintenance of the power supply wire (5) can be easily performed while maintaining waterproofness.

[0028]

According to the sealed lighting device of the first aspect of the present invention, the presence of the waterproof cable connector (6) provided at the inner end of the coupling (7) inside the device main body (2) allows It is possible to prevent moisture from the inside of the conduit tube (4), to maintain the waterproofness, and to install the appliance body (2) equipped with the light source (1) inside the appliance tube (2). In the case where concrete (11) is buried around the outer periphery of (1), the power supply is mounted on the outer surface of the appliance body (2) so that a part thereof is buried in the appliance body (2). The coupling (7) to which the conduit (4) containing the electric wire (5) is connected enables the power supply electric wire (5) to be removed without removing the concrete (11) during maintenance of the power supply electric wire (5). Can carry out maintenance and so on. As result, as the maintenance of the power supply wire (5), it becomes very easy.

That is, according to the present invention, maintenance of the power supply wire (5) can be easily performed while maintaining waterproofness.

According to the closed-type lighting apparatus of the second aspect of the present invention, in addition to the case of the first aspect, the apparatus main body (2)
With the coupling (7) provided substantially horizontally with respect to the lower outer surface of the power supply wire (5), the power supply wire (5) is easy to see and work when the power supply wire (5) is maintained. As a result, maintenance of the power supply wire (5) can be performed more easily.

According to the closed-type lighting apparatus of the third aspect of the present invention, in addition to the case of the first or second aspect,
With the coupling (7) in which the waterproof cable connector (6) is integrally formed, as a constructor, the light source (1) in the appliance body (2) is used for maintenance of the power supply wire (5) and the like.
In the case of wiring or the like, the power supply wire (5) is easy to connect and work easily, and as a result, the maintenance of the power supply wire (5) is more easily performed. Can be done. Moreover, the coupling (7) integrally formed with the waterproof cable connector (6) does not need to be attached to the outer surface of the instrument body (2) by welding the coupling (7). This improves the efficiency of assembly.

According to a sealed lighting apparatus according to a fourth aspect of the present invention, in addition to the case described in any one of the first to third aspects, such a waterproof cable connector (6) and an O-ring (10) or By the packing (13), the waterproofness as a closed-type lighting device is more reliably improved.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view illustrating a sealed lighting device according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view illustrating a sealed lighting device according to another embodiment of the present invention.

FIG. 3 is a cross-sectional view showing a main part of the closed-type lighting device of FIG. 2;

FIG. 4 is a cross-sectional view illustrating a sealed lighting device according to a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Light source 2 Device main body 3 Translucent panel 4 Conduit tube 5 Power supply wire 6 Waterproof cable connector 7 Coupling 10 O-ring 13 Packing

Claims (4)

[Claims] 1. A closed-type lighting device in which a device main body equipped with a light source is provided therein, a light-transmitting panel is attached to an opening of the device main body, and the device main body is hermetically sealed. A coupling is provided to which a conduit containing a power supply wire is connected so that a part thereof is buried in the appliance main body, and an end of the coupling inside the appliance main body is provided from inside the conduit. A sealed lighting device provided with a waterproof cable connector for preventing moisture. 2. The closed-type lighting device according to claim 1, wherein the coupling is provided substantially horizontally with respect to a lower outer surface of the device main body. 3. The closed-type lighting device according to claim 1, wherein the waterproof cable connector is formed integrally with the coupling. 4. A part of the coupling buried in the appliance body is a part of the waterproof cable connector, and the part of the waterproof cable connector is provided on an outer surface of the appliance body on an inner side and an outer side. The sealed lighting device according to any one of claims 1 to 3, wherein the lighting device is attached from at least one of them by an O-ring or packing.