JP5219620B2 - Lighting device - Google Patents

Description

  The present invention relates to an illumination device including a ceiling illumination cover provided on a ceiling.

Conventionally, a mounting body fixed to the lower surface of the ceiling, a ceiling lighting cover provided below the mounting body, a lighting body provided between the ceiling and the ceiling lighting cover, the mounting body, and the 2. Description of the Related Art There is known an elevator cab illumination device provided with a ceiling illumination cover and provided with attachment / detachment means that allows the ceiling illumination cover to be attached to and detached from the attachment body (see, for example, Patent Document 1).
In this case, for example, even when a long bar or the like collides with the ceiling lighting cover, the ceiling lighting cover can be prevented from falling because the ceiling lighting cover is fixed to the mounting body through the attaching / detaching means. .
Moreover, since the operator can remove the ceiling illumination cover from the attachment body by the attaching / detaching means, the maintenance of the illumination body and the like can be easily performed.

JP 2007-314283 A

  However, in this case, the attaching / detaching means has an engaging portion fixed to the ceiling lighting cover and an engaged portion fixed to the attachment body, and the engaging portion and the engaged portion are engaged with each other. There is a problem that the configuration is complicated because the structure is such that the engagement and the mutual engagement are released.

  An object of the present invention is to solve the above-described problems, and an object of the present invention is to provide an illumination device that can attach a ceiling illumination cover to the ceiling in a detachable manner with a simple configuration. It is.

The illumination device according to the present invention is provided with a canopy body provided spaced apart above a ceiling where an opening is formed, and the opening is provided so as to cover the opening from above, and a peripheral portion is in contact with a peripheral portion of the opening. A ceiling illumination cover, an illumination body provided above the ceiling illumination cover, and provided between the canopy body and the ceiling illumination cover, and a peripheral edge portion of the ceiling illumination cover covers a peripheral edge portion of the opening. Pressing means for pressing the ceiling lighting cover so as to press, the pressing means having one end fixed to the canopy body and the other end in surface contact with the peripheral edge of the ceiling lighting cover. It is a substantially Z-shaped leaf spring .

  According to the lighting device according to the present invention, the pressing means presses the ceiling lighting cover so that the peripheral edge of the ceiling lighting cover presses the peripheral edge of the opening. Can be detachably attached.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings, the same or equivalent members and parts will be described with the same reference numerals.
Embodiment 1 FIG.
1 is a view of the illumination device according to this embodiment as viewed from below, FIG. 2 is a cross-sectional view taken along the line II-II in FIG. 1, and FIG. 3 is an enlarged view of part A in FIG.
A square opening 1a is formed in the ceiling 1 of the elevator car to which the lighting device according to this embodiment is attached.
In addition, the lighting device includes a canopy plate 3 that is a canopy body that is spaced apart and fixed above the ceiling 1 via a support member 2, and a ceiling lighting cover that covers the opening 1 a of the ceiling 1 from above. 4 and an illuminating body 5 provided between the ceiling illumination cover 4 and the canopy plate 3.

The ceiling illumination cover 4 has a quadrangular shape when viewed from above, and has a cup shape with a central portion recessed downward when viewed from the side.
The peripheral edge portion 4 a of the ceiling illumination cover 4 is formed in a flat plate shape, and is in surface contact with the peripheral edge portion 1 b of the opening 1 a of the ceiling 1.

In addition, the lighting device includes a substantially Z-shaped leaf spring 6 provided between the canopy plate 3 and the ceiling lighting cover 4 as a pressing means for pressing the ceiling lighting cover 4.
One end of the leaf spring 6 is fixed to the canopy plate 3, an intermediate portion extends from the canopy plate 3 toward the ceiling, and the other end is in surface contact with the peripheral edge 4 a of the ceiling lighting cover 4.
Thereby, the peripheral part 4a of the ceiling illumination cover 4 can be pressed toward the peripheral part 1b of the opening 1a of the ceiling 1 with a simple configuration.

The other end of the leaf spring 6 presses the peripheral edge 4 a of the ceiling lighting cover 4 toward the peripheral edge 1 b of the opening 1 a of the ceiling 1, so that the peripheral edge 4 a of the ceiling lighting cover 4 becomes the opening 1 a of the ceiling 1. The peripheral edge portion 1b of this is pressed.
Thereby, for example, even if a long bar or the like collides with the ceiling illumination cover 4 from below, the ceiling illumination cover 4 can be prevented from being lifted upward from the ceiling 1.
Further, since the frictional force generated between the peripheral edge 1b of the opening 1a of the ceiling 1 and the peripheral edge 4a of the ceiling lighting cover 4 increases, for example, a long bar or the like collides with the ceiling lighting cover 4 from the lateral direction. However, it is possible to prevent the ceiling illumination cover 4 from being displaced in the horizontal direction.
As a result, it is possible to suppress the ceiling lighting cover 4 from falling.

One end of four leaf springs 6 are in surface contact with the canopy plate 3, and each leaf spring 6 is fixed to the canopy plate 3 via a rivet 7.
Thereby, for example, even in an existing lighting device that does not have a means for pressing the ceiling lighting cover 4, the plate spring 6 can be easily attached to the ceiling plate 3 by simply forming a hole for attaching the rivet 7 to the ceiling plate 3. The illumination cover 4 can be detachably attached to the ceiling 1.
The leaf spring 6 is disposed at the center of each side of the ceiling lighting cover 4 having a quadrangular shape when viewed from above.

FIG. 4 is a cross-sectional view showing a state when the ceiling illumination cover 4 of FIG. 2 is lifted upward from the ceiling 1.
When maintaining the illumination body 5, the operator lifts the ceiling illumination cover 4 upward, elastically deforms the leaf spring 6, and separates the ceiling 1 and the ceiling illumination cover 4.
Further, the operator slides the ceiling illumination cover 4 in the horizontal direction to separate the ceiling illumination cover 4 from the leaf spring 6 and remove the ceiling illumination cover 4 from the ceiling 1.
Thereby, the maintenance of the illumination body 5 can be performed easily.

As described above, according to the lighting apparatus according to this embodiment, one end is fixed to the canopy plate 3 and the other end is directed to the ceiling 1 through the peripheral edge 1b of the opening 1a of the ceiling lighting cover 4. Since the leaf spring 6 to be pressed is provided, the ceiling illumination cover 4 can be attached to and detached from the ceiling 1 with a simple configuration.
Further, since the leaf spring 6 is fixed to the canopy plate 3 via the rivet 7, a hole for attaching the rivet 7 to the canopy plate 3 is formed even in an existing lighting device that does not have a means for pressing the ceiling lighting cover 4. Simply by attaching the leaf spring 6, the ceiling illumination cover 4 can be attached to and detached from the ceiling 1.

  The pressing means has one end in surface contact with the canopy plate 3, an intermediate portion extending from the canopy plate 3 toward the ceiling 1, and the other end in surface contact with the peripheral edge 4 a of the ceiling lighting cover 4. Since the leaf spring 6 has a shape, the ceiling lighting cover 4 can be attached to and detached from the ceiling 1 with a simpler configuration.

In the above-described embodiment, the four leaf springs 6 have been described with respect to the lighting device disposed at the center of each side of the ceiling lighting cover 4 having a square shape when viewed from above. Not limited to.
For example, the two leaf springs 6 may be lighting devices arranged on a pair of opposing sides of the ceiling lighting cover 4 having a quadrangular shape when viewed from above, or the two leaf springs 6. However, the illumination apparatus arrange | positioned at a pair of opposing corner part of the ceiling-lighting cover 4 which carried out the square shape when it saw from upper direction may be sufficient.

Embodiment 2. FIG.
5 is a cross-sectional view showing the lighting device according to this embodiment, FIG. 6 is a plan view of the ceiling lighting cover 4 and the leaf spring 6 of FIG. 5 as viewed from above, and FIG. 7 is an enlarged view of a portion B of FIG. .
In the lighting device according to this embodiment, one end of two leaf springs 6 is fixed to the canopy plate 3.
Each leaf spring 6 is disposed at a pair of square corners of the ceiling lighting cover 4 when viewed from above, and the other end is in surface contact with the peripheral edge 4 a of the ceiling lighting cover 4. Yes.
The other end of the leaf spring 6 includes a pressing portion 6a that presses the peripheral edge portion 4a of the ceiling lighting cover 4, and a bent portion 6b that is bent toward the ceiling 1, and the bent portion 6b is a ceiling. The lighting cover 4 is in contact with both end surfaces of the corner portion of the peripheral edge portion 4a.
Thereby, for example, even when a long bar or the like strongly collides with the ceiling lighting cover 4 from the lateral direction, the ceiling lighting cover 4 is restricted from shifting in the horizontal direction.
Other configurations are the same as those of the first embodiment.

In order to remove the ceiling illumination cover 4 from the ceiling 1, the operator lifts the ceiling illumination cover 4 upward and elastically deforms the leaf spring 6 in the same manner as in the first embodiment, so that the ceiling 1 and the ceiling illumination cover are removed. 4 is separated.
Further, the operator slides the ceiling illumination cover 4 along a straight line connecting a pair of opposed corner portions different from the corner portions where the pressing portions 6a of the leaf springs 6 are in surface contact, thereby causing the leaf springs. The ceiling illumination cover 4 is separated from the ceiling 6 and the ceiling illumination cover 4 is removed from the ceiling 1.
Thereby, the maintenance of the illumination body 5 can be performed easily.

  As described above, according to the lighting device according to this embodiment, the other end of the leaf spring 6 is bent toward the ceiling 1 and the pressing portion 6 a that presses the peripheral edge 4 a of the ceiling lighting cover 4. Since the bent portion 6b is in contact with the end surface of the peripheral edge portion 4a of the ceiling lighting cover 4, the ceiling lighting cover 4 is restricted from moving in the horizontal direction. For example, even when a long bar or the like strongly collides with the ceiling lighting cover 4 from the lateral direction, the ceiling lighting cover 4 can be restricted from being displaced in the horizontal direction.

  In each of the above embodiments, the leaf spring 6 has been described as an example of the pressing means. However, the present invention is not limited to this, and for example, the upper surface of the ceiling illumination cover 4 is directed toward the ceiling 1 such as a coil spring. What is necessary is just a member to press.

  Moreover, although each said embodiment demonstrated the illuminating device attached to the elevator car, of course, it is not restricted to this but the illuminating device attached to the other member may be sufficient.

It is the figure which looked at the illuminating device which concerns on Embodiment 1 of this invention from the downward direction. It is arrow sectional drawing along the II-II line | wire of FIG. It is the A section enlarged view of FIG. It is sectional drawing which shows a mode when the ceiling illumination cover of FIG. 2 is lifted upwards from the ceiling. It is sectional drawing which shows the illuminating device which concerns on Embodiment 2 of this invention. It is the top view which looked at the ceiling illumination cover and leaf | plate spring of FIG. 5 from upper direction. It is the B section enlarged view of FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Ceiling, 1a Opening part, 1b Peripheral part, 2 Support member, 3 Canopy board, 4 Ceiling illumination cover, 4a Peripheral part, 5 Illumination body, 6 Leaf spring, 6a Press part, 6b Bending part, 7 Rivet

Claims (3)

A canopy body provided spaced apart above the ceiling in which the opening is formed;
A ceiling lighting cover that is provided to cover the opening from above, and whose peripheral edge is in surface contact with the peripheral edge of the opening;
An illuminating body provided between the canopy body and the ceiling lighting cover;
A pressing means provided between the canopy body and the ceiling lighting cover, and pressing the ceiling lighting cover so that the peripheral edge of the ceiling lighting cover presses the peripheral edge of the opening ;
The pressing device is a substantially Z-shaped leaf spring having one end fixed to the canopy body and the other end in surface contact with the peripheral edge of the ceiling lighting cover . The other end portion of the leaf spring includes a pressing portion that presses the peripheral edge portion of the ceiling lighting cover, and a bent portion that is bent toward the ceiling,
2. The lighting device according to claim 1 , wherein the bent portion is in contact with an end face of the peripheral portion of the ceiling lighting cover, thereby restricting the ceiling lighting cover from moving in a horizontal direction. The lighting device according to claim 1 , wherein the lighting device is attached to a ceiling of an elevator car.

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