JPH068690U - Security door - Google Patents

Abstract

(57) [Abstract] [Purpose] The present invention solves the conventional drawbacks and provides a crime prevention door that can confirm visitors and deliver luggage without opening the door and is useful for ensuring the safety of residents. It is intended for. [Structure] An opening 2 is provided at the center of the upper part of a door body 1, a hinged door 4 is attached to a lateral side surface of the opening 2, and a hinged door 3 is attached to the door. A lock and a key device 5 for unlocking are provided. Further, an opening 6 for delivering and receiving luggage is provided in the lower portion, a hinge 8 is provided at a lower edge of a door 7 which also serves as a table, and a key device 9 is provided at a central portion of an upper side end of the opening 6 so that the opening can be opened indoors. Once installed, chains 10 are attached to both sides to prevent the door 7 from falling below a substantially horizontal position.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a security door that can confirm a visitor and deliver luggage without opening the door body.

[0002]

[Prior art]

 Conventionally, it is generally known that a lens or glass is attached to the upper part of the door to confirm the visitor without opening the entrance door of an apartment or condominium. Was used. Also, when handing over luggage, etc., it is not possible to check the luggage, so you have to open the door to check the luggage and receive it, so you can not prevent intrusion of malicious visitors and crimes. There was a flaw.

[0003]

[Problems to be solved by the device]

 However, with the lens, the diameter of the lens is small and it is difficult to check it sufficiently.Because the viewer cannot see it without standing in front of the lens, it is difficult to check it. It had the drawback of being extremely dangerous in terms of security, as it could be cracked, a hand could be put inside, and the key could be unlocked. The present invention is intended to solve the above drawbacks and to provide a crime prevention door that can confirm visitors and deliver luggage without opening the door, which is useful for ensuring the safety of residents.

[0004]

[Means for Solving the Problems]

 In order to achieve the above object, the security door of the present invention is provided with an opening 2 at the center of the upper part of the door body 1, and a hinge 4 is attached to a lateral side surface of the opening 2 to attach a hinged door 3 to the door 2. A key device 5 for locking and unlocking the lock from the indoor side is provided at the center of the side end. In addition, an opening 6 for delivering and receiving luggage is provided in the lower part, a hinge 8 is provided at the lower edge of a door 7 which also serves as a table, and a key device 9 is provided at the center of the upper end so that it can be opened indoors. Once installed, chains 10 are attached to both sides to prevent the door 7 from falling below a substantially horizontal position.

[0005]

[Action]

 In the present invention, since the hinged door 3 is provided on the upper part and the door 7 is provided on the lower part, the visitor can be confirmed by opening the upper hinged door 3 to have a conversation with the visitor and open the door 1 of the main body. In the case of parcel delivery, open the upper hinged door 3 to check the visitors, hold the lower door 7 in a substantially horizontal state like a table with a chain 10 etc., and hand over slips and money and hand over parcels. I do.

[0006]

【Example】

 An embodiment of the present invention will be described in detail with reference to the drawings. The drawings are a front view and a perspective view of a hinged door 3 and a door 7 as viewed from the indoor side. The hinged door 3 and the door 7 are suitable for use in an entrance of an apartment house such as an apartment or a condominium. The hinged door 3 and the door 7 provided in the upper opening 2 and the lower opening 6 of the door body 1 are Composed of. The door body 1 is a door normally used in an apartment house, and rotates horizontally to open and close the entrance. A knob is provided at the end of the door body 1 for opening and closing, and a cylinder lock and a door chain are attached.

A rectangular upper opening 2 is provided at the center of the upper part of the door body 1, and a hinged door 3 is attached to one side surface of the opening 2 by a hinge 4 and rotates to the inside of the room to open the opening 2. It

A rectangular opening 6 is provided in the center of the lower part of the door body 1, and a door 7 which also serves as a table is locked in the opening 6 at a lower edge of the opening 6 at a hinge 8 and rotated to the indoor side. Open the opening 6. On both sides of the opening 6, the ends of two chains 10 that regulate the opening angle of the door 7 at right angles are attached to the upper end of the opening 6 and the other ends to the inside of the door 7. It is configured to be held in a substantially horizontal state by 10.

At the center of one end of the hinged door 3 and the center of the upper portion of the door 7, there are provided key devices 5 and 9 for locking or unlocking the hinged door 3 and the door 7 when they are closed from the inside. Set up. The key devices 5 and 9 can be freely selected from a simple mechanism usually called a night latch to a complicated device such as a cylinder lock.

[0010]

[Effect of device]

 Residents can check the visitors first by opening the upper hinged door, and in the case of delivery of luggage etc., they can receive the luggage and deliver money through the lower door. Therefore, for some visitors, it is not necessary to open the door itself, and it is possible to prevent the intrusion and crime of malicious visitors, and provide a security door that helps ensure the safety of residents. The hinged doors and doors are equipped with a key device, so even if they are pushed from the outside, the hinged doors and doors will remain closed if not operated from the inside, which is a relief and a great crime prevention effect.

[Brief description of drawings]

FIG. 1 is a perspective view of the present invention.

FIG. 2 is a front view of the present invention.

[Explanation of symbols]

 1 Door Main Body 2 Upper Opening 3 Swing Door 4 Hinge 5 Key Device 6 Lower Opening 7 Door 8 Hinge 9 Key Device 10 Chain

Claims (1)

[Scope of utility model registration request] 1. An opening is provided in the center of an upper part of a door body, a hinged door is attached to a lateral side surface of the opening with a hinge, an opening for delivering and receiving luggage is provided in a lower part, and the opening also serves as a table. A crime prevention door characterized in that a hinge is attached to the lower edge of the door, the door is arranged so as to open to the inside of the door, and chains are attached to both sides to prevent the door from dropping below a substantially horizontal position.