JPH0229835B2 - - Google Patents

Description

[Detailed Description of the Invention] Once the conventional door is unlocked and opened, people can freely enter and exit from the outside, which causes various troubles.
The current situation is that atrocious incidents sometimes occur, and as a countermeasure, lenses, chains, etc. have been installed in some areas to ensure safety, but they are of little use.

In view of the above-mentioned circumstances, the present invention is designed so that even if the door is opened, it is not possible to enter directly, but after checking through a partition door attached to the door, the partition door can be opened and entry can be made later. . That is, since the partition door is configured to be extendable and retractable and is attached to the inside of the door, the door can be made thin and lightweight without being bulky. Furthermore, the installation of the partition door is easy.

In addition, the structure is such that the partition door can be seen through. In addition, safety can be easily confirmed by providing a see-through section or the like.

Hereinafter, the present invention will be described in detail based on embodiments shown in the accompanying drawings.

A partition door 3 having a telescopic part 2 and a see-through part 4 is attached to the inside of the door 5 by a mounting plate 1. A telescopic part 2 is provided on the base end side of the partition door 3, a see-through part 4 is provided on the upper part of the distal end side, the base end of the partition door 3 is attached to the mounting plate 1, and the mounting plate 1 is placed approximately in the center of the inside of the door 5. It is fixed vertically to the section. A lock 6 is provided at the center of the inner tip of the door 5, and a clasp 7 is fixed to the wall of the building.
The door 5 is then locked and closed. Lock 6
When the is removed from the clasp 7, the door 5 opens. On the other hand, a lock 9 is provided at the center of the inner surface of the front end of the partition door 3, and is capable of locking and unlocking a clasp 8 provided below the clasp 7. The lock 6 of the door 5 is operated through a hole provided in the part of the partition door 3 that the lock 6 faces.

When the door 5 is opened by unlocking the lock 6 from the clasp 7, the extensible part 2 of the partition door 3 is extended, and the door 5 is opened while the partition door 3 remains closed. After confirming safety,
If necessary, the lock 9 is removed from the clasp 8 to open the partition door 3.

As described above, it is an object of the present invention to provide a double-check safety door that is thin, lightweight, and easy to install.

[Brief explanation of drawings]

The drawings show a specific embodiment of the present invention, with FIG. 1 showing an overall front view and FIG. 2 showing a perspective view with the door open. DESCRIPTION OF SYMBOLS 1...Mounting plate of partition door, 2...Extensible part of partition door, 3...Partition door, 4...Transparent part of partition door, 5...Door, 6...Lock, 7...Latch, 8 ……
Clasp, 9...lock.

Claims (1)

[Claims] 1 The base end is pivotally attached, a lock is provided at the center of the inner surface of the tip, the door is closed by locking it to a clasp fixed to the wall of the building, and the door is opened by removing the lock from the clasp. A partition door with an extendable part on the end side and a see-through part for safety confirmation on the tip side is attached to the partition door so that it can extend and contract, and a lock is installed at the center of the inner surface of the tip of the partition door and is locked with a clasp fixed to the wall of the building. A safety door that can be double-checked, characterized in that it is closed by pressing the button and opened by removing the lock from the clasp.