JPH0322976Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Field of Application) The present invention relates to an inspection door for inspecting an air conditioner, etc. installed on the back side of the ceiling.

(Prior Art) This type of inspection door is generally constructed by providing an inspection port formed in the ceiling with a door body that opens and closes the inspection port. It is now possible to inspect installed air conditioners, etc. The door body is usually attached to the inspection port by screwing it in multiple places, or hinged on one end and locked on the other end, and the screws can be loosened or unlocked as necessary. This allows the inspection port to be opened.

Recently, various proposals have been made in which lighting fixtures are attached to the door body to effectively utilize the door body space and reduce the number of man-hours required to install the lighting fixtures (for example, Publication No. 12925, 60
(Refer to Japanese Patent Application Laid-Open No. 109655/1983).

(Problem to be solved by the invention) However, when attaching lighting equipment to the door body, the weight of the entire door body naturally increases.
The labor burden required to remove the door body increases, and there is a high risk that the lighting equipment will be damaged by shocks caused by the rotation or falling of the door body.

This idea was created in view of the above problems.
The purpose of this is to make it possible to easily open and close the inspection door even when using a door body that has become heavier due to the installation of lighting equipment, and to inspect the ceiling without damaging the lighting equipment. It's about providing a door.

(Means for Solving the Problems) In order to achieve the above object, in the present invention, a pair of guide rails are provided around the opening of the inspection port formed in the ceiling, and the guide rails are provided with a pair of guide rails for opening and closing the inspection port. The attic inspection door is constructed by attaching a movable door body and attaching a lighting fixture to the door body so as to cover the lower surface of the door body.

(Function) In the attic inspection door of the present invention, the door body for opening and closing the inspection door is movably attached to the guide rail on the inspection door side, so it is easy to operate by simply sliding the door body. The inspection port can be opened and closed.

Furthermore, when the inspection port is opened, the lighting equipment is positioned near the inspection port in the same state as when it is closed, so that a dark inspection port can be illuminated without using a separate lighting means.

Furthermore, since the lower surface of the door body is covered by the lighting fixture when the inspection port is closed, the door body can be hidden by the lighting fixture.

(Example) Figures 1 and 2 show an embodiment of the present invention, in which Figure 1 is a sectional view showing the installation state of the attic inspection door, and Figure 2 is a plan view showing the inspection door in the open state. It is a diagram.

In the figure, reference numeral 1 indicates an indoor ceiling of a building, and a heat exchange unit (not shown) of an air conditioner is disposed on the back side of the ceiling 1.

Reference numeral 2 denotes a rectangular inspection port, which is formed in the ceiling 1 near the heat exchanger unit.

Reference numeral 3 denotes a pair of guide rails for the door body, which are provided below the opening periphery of the inspection port 2 so as to be parallel to the ceiling 1 and facing each other so as to be parallel to each other. The end of the guide rail 3 extends toward the ceiling 1 from the inspection opening 2 by the dimension of a rail guide 12, which will be described later.

Reference numeral 11 denotes a door body for opening and closing the inspection port, which has a rectangular shape slightly larger than the inspection port 2. This door body 11
Rail guides 12 for movably holding the guide rail 3 are provided on the upper side of the outer periphery of the guide rail 3 so as to be parallel to each other and facing each other.

Reference numeral 13 denotes a hook screw provided on the lower surface of the door body 11 for hanging lighting equipment.

Reference numeral 21 denotes a lighting fixture having annular fluorescent lamps 21a arranged in multiple stages, and is suspended from a hook screw 13 on the lower surface of the door body 13. This lighting fixture 21 has a slightly larger shape than the door body 11, and is designed to cover and lighten the door body 11 when viewed from below.

When inspecting the attic using the above-mentioned attic inspection door, slide the door body 11 parallel to the ceiling 1 along the guide rail 3 and open the inspection door as shown in Fig. 2. 2 should be opened. The door body 11 can be easily slid at this time regardless of the weight of the door body 11.

The operator inspects the heat exchange unit installed in the ceiling through the inspection port 2 which is in an open state. Furthermore, when the inspection port is opened, the lighting fixture 21 is located near the inspection port 2 in the same state as when it is closed, so that inspection work can be performed using the light of the lighting fixture 21.

After the inspection work is completed, slide the door body 11 in the opposite direction, return the door body 11 to its original position, and open the inspection port 2.
When the inspection port is closed, the door body 11 is covered by the lighting fixture 21 when viewed from below.

In this way, in the attic inspection door of this embodiment, the door body 11 for opening and closing the inspection port is attached to the guide rail 3 on the inspection port 2 side.
Since the light fixture 2 is movably attached to
Even if the door body 11 is heavy due to the attachment of the door body 1, the inspection port 2 can be smoothly opened and closed by simply sliding the door body 11. Also, slide the door body 11 to check the inspection port 2.
Since the door body is opened and closed, the lighting fixture 21 will not be damaged by shocks caused by rotation or falling of the door body, unlike in the conventional case.

Furthermore, when the inspection port is open, the lighting fixture 21 is located near the inspection port 2 in the same state as when it is closed, so the dark inspection port 2 can be illuminated without using a separate lighting means, improving inspection work efficiency. be able to.

Furthermore, when the inspection port is closed, the door body 11 can be covered by the lighting fixture 21, so that the inspection port 2 can be closed.
Also, the appearance of the ceiling 1 can be improved by concealing the outline, shadow, etc. of the door body 11.

(Effects of the invention) As detailed above, according to the invention, even if the door becomes heavy due to the installation of lighting equipment, it is possible to simply slide the door along the guide rail. The inspection port can be opened and closed smoothly with a simple operation. Furthermore, since the inspection port is opened and closed by sliding the door, there is no possibility of damage to the lighting equipment due to impact caused by rotation or falling of the door, as in the conventional case.

In addition, when the inspection door is open, the lighting equipment is located near the inspection door in the same state as when it is closed, so it is possible to illuminate a dark inspection door without using a separate lighting means, improving inspection work efficiency. .

Furthermore, since the lower surface of the door body is covered by the lighting equipment when the inspection port is closed, the door body can be covered and hidden by the lighting equipment, and the outline and shadow of the inspection port and the door body can be hidden. The appearance of the ceiling can be improved.

[Brief explanation of the drawing]

FIGS. 1 and 2 show an embodiment of the present invention. FIG. 1 is a cross-sectional view showing the attic inspection door installed, and FIG. 2 is a plan view showing the inspection door opened. In the figure, 1... Ceiling, 2... Inspection port, 3... Guide rail, 11... Door body, 12... Rail guide,
21...Lighting equipment.

Claims (1)

[Scope of Claim for Utility Model Registration] A guide rail parallel to the ceiling is provided around the opening of an inspection port formed in the ceiling, and a door body for opening and closing the inspection port is movably attached to the guide rail, An attic inspection door characterized in that a lighting fixture is attached to the door body so as to cover the lower surface of the door body.