JPH0569810U - lighting equipment - Google Patents

Abstract

(57) [Summary] [Objective] To provide a lighting device for a high ceiling, which can improve workability and workability at high places. [Structure] A lighting fixture includes a fixture main body (not shown) having a socket (not shown) built therein, and a mounting portion 1 connected to a head of the fixture main body via a pipe 2. Two pairs of daruma holes 3 extending in the circumferential direction A and facing in opposite directions are provided at the point symmetrical positions of the mounting portion 1. The pitches L1 and L2 of the pair of bursa holes 3 are different.
The large-diameter portion 3a of each bursa hole 3 has a size that allows a screw head of a predetermined screw (not shown) to be inserted, and the small-diameter portion 3b of each duller hole 3 is slightly smaller than the diameter of the screw. It is large and smaller than the screw head of a screw. Further, a screw rotation stopping boss 4 is provided in the constricted portion of the bursa hole 3 on the lower surface side of the mounting portion 1.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a high ceiling lighting fixture that is mounted on a high ceiling.

[0002]

[Prior Art]

 Conventionally, the lighting fixture shown in FIG. 4 has been used as a lighting fixture for a gymnasium or factory having a high ceiling. FIG. 4 is a schematic diagram showing a configuration of a conventional lighting fixture. 4 (a) is a top view and FIG. 4 (b) is a side view.

As shown in FIG. 4 (b), a conventional lighting fixture includes a fixture main body 52 having a built-in socket 51 and a round mounting portion 54 connected to the head of the fixture main body 52 via a pipe 53. Consists of. A HID lamp (not shown) is attached to the socket 51 built in the instrument body 52. Further, an opening (not shown) of the instrument body 52 is provided with a shade stopper screw 55 for attaching a shade (not shown).

Further, as shown in FIG. 4 (a), two pairs of elongated holes 56 extending in the radial direction are provided at the point-symmetrical positions of the round mounting portion 55. The radial pitches of the elongated holes 56 are the same. By setting the minimum pitch S1 of the pair of elongated holes 56 to 73 [mm] and the maximum pitch S2 to 84 [mm], a pair of screw holes having a pitch of 73 [mm] to 84 [mm] (not shown) It is possible to attach it to the attachment target that has).

An installation operation of the conventional lighting fixture thus configured to the ceiling will be described with reference to FIG. FIG. 5 is an explanatory diagram for explaining a conventional work of mounting a lighting fixture on a ceiling. As shown in FIG. 5, on the ceiling 57, a round-shaped exposure box 59 attached to the electric conduit 58 is fixed. The round exposure box 59 is provided with a pair of screw holes (not shown) having a predetermined pitch. The pitch of the pair of screw holes is generally 73 [mm] in the case of a round-shaped exposed box having an outer dimension Φ of 89 [mm], and the outer dimension Φ is 100 [mm]. In the case of a shaped exposure box, it is 84 mm. Therefore, by setting the pitch of the pair of long holes 56 of the round mounting portion 54 to 73 [mm] for the minimum pitch S1 and 84 [mm] for the maximum pitch S2, they can be mounted on both round-shaped exposure boxes. Has become.

When attaching the conventional appliance body 52 to such a ceiling 57, after performing a predetermined wiring work, the elongated hole 56 of the round mounting portion 54 and the screw hole of the round exposed box 59 are aligned with each other. The round mount 54 is fixed to the round exposed box 59 by inserting the screw 61 and tightening it with the driver 60.

[0007]

[Problems to be solved by the device]

 However, such a mounting operation of a lighting fixture for a high ceiling is a work performed upward at a height of 10 [m] or more. Therefore, one worker performs the above-described mounting work of aligning the elongated hole 56 of the round mounting portion 54 with the screw hole of the round exposed box 59 and tightening the screw 61 with the driver 60. In this case, it is necessary to support the instrument main body 52 with one hand and use the driver 60 with the other hand, which is a very difficult and dangerous work.

Therefore, the conventional installation work of the lighting fixture requires two workers, which causes a problem of poor workability. In view of the above-mentioned problems, an object of the present invention is to provide a lighting fixture that can improve workability and safety in high-place work.

[0009]

Means for Solving the Problems In a lighting device of the present invention, a pair of daruma holes extending in the circumferential direction and facing in opposite directions are provided at different pitches at point symmetrical positions of a mounting part connected to the head of the device body. The feature is that multiple units are installed.

[0010]

[Action]

 According to the structure of the present invention, since a pair of daruma holes extending in the circumferential direction and facing each other are provided at the point-symmetrical positions of the mounting portion, the provisional screw hole at the mounting location is temporarily provided in the large diameter portion of the daruma hole. By inserting the screw head of the screw that has been stopped, it is possible to easily align the duller hole with the screw hole of the mounting location. Furthermore, by rotating the mounting part and moving the screw to the small diameter part of the bursa hole, the screw head of the screw comes into contact with the outer edge of the bursa hole. As a result, the worker does not support the instrument body in order to prevent it from falling, and the attachment work of the instrument body can be completed simply by tightening the screw.

Therefore, the mounting work is simplified, and even a single worker can easily carry out the mounting work of the instrument body.

[0012]

【Example】

 FIG. 1 is a schematic view of a main part showing a configuration of a lighting fixture according to an embodiment of the present invention. 1 (a) is a top view and FIG. 1 (b) is a side view. As shown in FIG. 1, the lighting fixture includes a fixture main body (not shown) having a socket (not shown) built therein, and a mounting portion 1 connected to the head of the fixture main body via a pipe 2.

Two pairs of daruma holes 3 extending in the circumferential direction A and facing in opposite directions are provided at the point symmetrical positions of the mounting portion 1. The pitches L1 and L2 of the pair of bursa holes 3 are different, and the pitch L1 is 73 [mm] and the pitch L2 is 83.75 [mm]. Further, the large diameter portion 3a of each bursa hole 3 is of a size capable of inserting the screw head of a predetermined screw (not shown), and the small diameter portion 3b of each duller hole 3 is slightly smaller than the diameter of the screw. It is large and smaller than the screw head of a screw.

Further, a rotation stopping boss 4 is provided in the constricted portion of the dent hole 3 on the lower surface side of the mounting portion 1. The operation of mounting the thus configured lighting fixture on the ceiling will be described with reference to FIGS. 2 and 3. FIG. 2 is an explanatory view for explaining the work of mounting the lighting fixture of the embodiment of the present invention on the ceiling, and FIG. 3 is a schematic view showing a state where the lighting fixture is mounted on the ceiling.

As shown in FIG. 2, on the ceiling 57, a round-shaped exposure box 59 attached to a conduit 58 is fixedly installed. The round exposure box 59 is provided with a pair of screw holes (not shown) having a predetermined pitch. When mounting a lighting fixture on such a round-shaped exposure box 59, first, each screw 61 is temporarily fixed to each screw hole of the round-shaped exposure box 59. The screw heads of the temporarily fastened screws 61 are inserted into the large-diameter portions 3a of the dulled hole 3 (direction B). At this time, since each screw 61 projects from the mounting portion 1, it can be easily inserted into each large-diameter portion 3a of the duller hole 3. As a result, the daruma hole 3 and the screw hole are aligned with each other.

Next, by rotating the mounting portion 1 in the C direction, the screw heads of the screws 61 are moved to the small diameter portion 3b of the blunt hole 3. At this time, since the screw head of each screw 61 is larger than the small diameter portion 3b, the screw head contacts the outer edge of the daruma hole 3. Therefore, in this state, even if the operator releases his hand from the tool body or the mounting portion 1, the tool body does not drop.

After that, the screw 61 is tightened by a driver (not shown), and the mounting operation of the lighting fixture is completed. Further, since the rotation stopping boss 4 is provided in the constricted portion of the daruma hole 3, even if the screw 61 is loosely tightened due to vibration or the like, the mounting portion 1 does not rotate, and therefore, The instrument body will not fall. Generally, the pitch of the pair of screw holes of the round exposed box 61 is 73 [mm] if the round exposed box has an outer dimension Φ of 89 [mm], and the outer dimension Φ is In the case of a round exposure box of 100 [mm], it is 84 [mm]. Therefore, in the case of a round-shaped exposure box having a screw hole pitch of 73 [mm] as an attachment target, the instrument body may be attached using a pair of daruma holes 3 having a pitch L1 of 73 [mm]. Further, in the case of a round-shaped exposure box having a screw hole pitch of 84 [mm], the instrument body may be attached using a pair of daruma holes 3 having a pitch L2 of 83.75 [mm].

As described above, according to the embodiment, since the pair of daruma holes 3 extending in the circumferential direction A and facing in opposite directions are provided at the point symmetrical positions of the mounting portion 1, the large diameter part 3 a of the daruma hole 3 is provided. Then, by inserting the screw head of the screw 61 temporarily fixed to the screw hole of the round-shaped exposure box 59, it is possible to easily align the daruma hole 3 with the screw hole of the round-shaped exposure box 59. Further, by rotating the mounting portion 1 and moving the screw 61 to the small diameter portion 3b of the sloppy hole 3, the screw head of the screw 61 comes into contact with the outer edge of the small diameter portion 3b of the sham hole 3. As a result, the worker does not support the instrument body in order to prevent the worker from falling, and the attachment work can be completed simply by tightening the screw 61.

Therefore, the mounting work is simplified, and even a single worker can easily carry out the mounting work of the instrument body. Further, by providing two pairs of the duller holes 3 with different radial pitches L1 and L2, it is possible to attach to a mounting object having screw holes with different pitches. As a result, it is possible to obtain a lighting fixture for a high ceiling, which can improve workability and safety of work in high places, and can cope with mounting points having different pitches as in the conventional case. it can.

In the embodiment, the mounting portion 1 is mounted on the round-shaped exposure box 59. However, the mounting portion 1 is not limited to this, and as long as it has a screw hole having a pitch corresponding to the pitch of the pair of daruma holes 3, It can also be attached to exposed switch boxes, switch covers for embedded boxes, square switch covers and construction materials. Further, in the embodiment, the mounting portion 1 is provided with two pairs of the daruma holes 3, but the number of the pairs is arbitrary.

[0021]

[Effect of the device]

 According to the luminaire of the present invention, since a pair of daruma holes extending in the circumferential direction and facing each other are provided at point-symmetrical positions of the mounting part, the large-diameter part of the daruma hole has a screw at the mounting position. By inserting the screw head of the screw temporarily fixed in the hole, it is possible to easily align the daruma hole and the screw hole. Furthermore, by rotating the mounting part and moving the screw to the small diameter part of the daruma hole, the screw head of the screw comes into contact with the outer edge of the daruma hole. As a result, the worker does not support the instrument body in order to prevent it from falling, and the attachment work of the instrument body can be completed simply by tightening the screw.

Therefore, the mounting work is simplified, and even one worker can easily carry out the mounting work of the instrument body. Moreover, by providing a plurality of pairs of daruma holes at different pitches, it is possible to attach to a plurality of types of attachment points having different pitches. As a result, it is possible to obtain a luminaire that can improve workability and safety in high-place work, and can cope with attachment points having different pitches as in the conventional case.

[Brief description of drawings]

FIG. 1 is a schematic view of a main part showing a configuration of a lighting fixture according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram for explaining a work of mounting the lighting fixture on a ceiling.

FIG. 3 is a schematic view showing a state in which the lighting fixture is attached to a ceiling.

FIG. 4 is a schematic diagram showing a configuration of a conventional lighting fixture.

FIG. 5 is an explanatory diagram for explaining a work of mounting the lighting fixture on the ceiling.

[Explanation of symbols]

 1 Mounting part 3 Daruma hole A Circumferential direction

Claims (1)

[Scope of utility model registration request] 1. A luminaire, characterized in that a plurality of pairs of daruma holes extending in the circumferential direction and facing in opposite directions are provided at different pitches at point symmetrical positions of a mounting portion connected to the head of the luminaire body. .