JP2016075134A - Indoor side locking device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To avoid hanging-around of an aged person and an accident of a baby on the outdoors, by providing an indoor side locking device easily installable by post-installation and lockable and unlockable in the indoors.SOLUTION: An indoor side locking device is composed of a lock holding piece 3 used for an inward opening door 9 of a building and removably installed in a door frame 17 so that an inner end part 12 projects inward from an indoor side surface of the inward opening door 9, a door closing piece 5 removably installed in the inner end part 12 of the lock holding piece 3 and locked on the indoor side surface of the inward opening door 9 and a lock body 4 installed in a part of projecting to the indoor side from a locking position to the door closing piece 5 in the inner end part 12 of the lock holding piece 3 and holding an installation state to the lock holding piece 3 of a door locking piece 5 in locking time.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an indoor side locking device used in a general house or a condominium door.

  Recently, outdoor dredging by elderly people has become a major social problem. There is also a problem that infants go outside and encounter accidents without their parents' knowledge. These problems often occur when an elderly person or an infant indoors unlocks the door and goes outside. The door lock can be easily opened from the indoor side by a thumb turn or the like, and the thumb turn or the like is opened by an elderly person or an infant. Door locks that can be locked and unlocked with keys etc. are provided indoors, but they are expensive, and it is time consuming to replace them unless they are traders. It becomes useless. In addition, in the case of public housing and rented houses, changing the lock is not easily permitted.

  An object of the present invention is to provide an indoor side locking device that can be easily attached by retrofitting and that can be locked and unlocked indoors.

  In the invention of claim 1, it is inserted and attached between the door and the door frame by retrofitting, and includes a door locking mechanism on the indoor side, and the locking mechanism can be unlocked only by an unlocking authorized person. An indoor side locking device is provided.

  In the indoor side locking device according to the first aspect of the invention, the door is locked by the indoor side locking mechanism, so that a person who is not an unlocker cannot open the door from the indoor side. The unlocking authorized person is a person who has a key for unlocking, a person who knows number information for unlocking, and the like, and is a general householder who lives with an infant or an elderly person who is afraid of wandering. The indoor side locking device can be attached to and detached from the door as needed, with the existing lock intact. The locking mechanism may be of any configuration as long as it is configured not to be unlocked easily by thumb turn or the like and can be unlocked by using a key or knowing number information.

  According to a second aspect of the present invention, there is provided a lock holding piece which is used for an interior opening door of a building and is detachably attached to a door frame so that an inner end portion protrudes inward from an indoor side surface of the inner opening door. And a door closing piece that is removably attached to the inner end portion of the lock holding piece and engages with an indoor side surface of the inner opening door, and the door closing piece at the inner end portion of the lock holding piece. An indoor side locking device comprising: a lock body that is attached to a portion protruding from the locking position to the indoor side and that holds the door locking piece attached to the lock holding piece during locking. provide.

  In invention of Claim 3, It is used for the exterior door of a building, The lock holding piece removably attached to an exterior door so that an inner edge part protrudes inward from the indoor side surface of a door frame, A door closing piece that is removably attached to the inner end of the lock holding piece and engages with an indoor side surface of the door frame, and an engagement with the door closing piece at the inner end of the lock holding piece. An indoor side locking device is provided, comprising: a lock body that is attached to a portion projecting indoors from the locking position and that holds the door frame locking piece attached to the lock holding piece during locking. To do.

  When the door is locked by the indoor side locking device according to each of the above inventions, the unlocking means of the lock body or the person who does not have the unlocking information opens the door from the indoor side. I can't. The indoor side locking device can be attached to and detached from the door as needed, with the existing lock intact.

  According to the invention of Claim 1, Claim 2, and Claim 3, the indoor side locking device which can be easily attached by retrofitting and can be locked and unlocked indoors is obtained. As a result, it is possible to avoid accidents when the elderly are out of the cage or the infant is out, and the safety of the living environment is improved.

  External appearance perspective view of 1st Embodiment of the indoor side locking device of this invention   Use explanatory drawing of 1st Embodiment of the indoor side locking device of this invention   External appearance perspective view of 2nd Embodiment of the indoor side locking device of this invention   External appearance perspective view of the door stopper of 2nd Embodiment of the indoor side locking device of this invention   Use explanatory drawing of 2nd Embodiment of the indoor side locking device of this invention   External appearance perspective view of 3rd Embodiment of the indoor side locking device of this invention   Use explanatory drawing of 4th Embodiment of the indoor side locking device of this invention

  FIG. 1 is an external perspective view of a first embodiment of the indoor side locking device according to the first aspect of the present invention, and FIG.

  The indoor side locking device 1 is for an inner opening door, and includes a lock holder 3 in which an iron piece is bent and punched, a door stopper 5 made of a flat iron piece, and a padlock 4 using a number. Each of the lock holder 3, the door stopper 5 and the padlock 4 constitutes the locking mechanism of the invention of claim 1, the lock holder 3 is the lock holding piece of the invention of claims 2 and 3, and the door stopper 5 is of claim 2. The padlock 4 constitutes the lock body of the inventions of claims 2 and 3, respectively.

  The lock holder 3 includes a fitting attachment portion 7, and the fitting attachment portion 7 is externally fitted to the side edge 10 of the protruding portion on the outdoor side of the door frame 17, and the screw fixing tool 11 is tightened, so that the inner end thereof is secured. The part 12 is attached and fixed so as to protrude inward from the indoor side surfaces of the door 9 and the door frame 17. The inner end 12 is provided with a locking hole 6 for the padlock 4.

  The door stopper 5 is in the form of a vertically long plate, and is provided with a vertically long slit-shaped locking hole 16 into which the inner end 12 of the lock holder 3 is inserted and locked. In the state of being locked to the end portion 12, the inner surfaces thereof are opposed to the inner surfaces of the door 9 and the door frame 17, respectively, and are positioned so as to be locked to the inner surfaces when the door 9 is opened.

  The padlock 4 is attached with its locking portion 22 locked in the locking hole 6 in the inner end 12 of the lock holder 3.

  Hereinafter, the locking process of the indoor side locking device 1 will be described. First, the lock holder 3 is attached to the side edge 10 of the door frame 17. The lock holder 3 may be attached in advance. Next, the door stopper 5 is attached to the lock holder 3 from the indoor side with the door 9 closed. The mounting is performed by inserting and locking the inner end portion 12 of the lock holder 3 into the locking hole 16 of the door stopper 5. Next, the locking portion 22 is locked in the locking hole 6 of the inner end portion 12 of the lock holder 3, and the padlock 4 is attached and locked. Since the padlock 4 is attached in this manner, the inner end 12 of the lock holder 3 cannot be removed from the locking hole 16 of the door stopper 5 and the door stopper 5 is locked to the inner surface of the door 9. Even if force in the opening direction is applied, the opening operation is prevented.

  Since the door 9 is locked by the indoor side locking device 1 as described above, a person who does not know the number for unlocking the padlock 4 cannot open the door 9 from the indoor side. Elderly people and infants who are worried about being able to unlock themselves are prevented from going outside. Since the indoor side locking device 1 can be attached and detached as needed separately with the existing lock as it is, it is conveniently used in accordance with the actual situation of the family.

  3 is an external perspective view of an indoor side locking device according to a second embodiment of the invention of claim 2, FIG. 4 is an external perspective view of a door stopper used in the device, and FIG. 5 is an explanatory view of the use of the device. is there.

  The indoor side locking device 1 is for an open door, and includes a lock holder (lock holding piece) 3 and a door stopper (door closing piece) 5 that are bent and punched out of an iron piece, and a padlock 4 that uses a key. .

  The lock holder 3 includes a fitting attachment portion 7, and the fitting attachment portion 7 is fitted on the side edge 10 of the door 9 and the screw fixing tool 11 is tightened, so that the inner end portion 12 is attached to the door 9. The door frame 17 is fixed so as to protrude outward from the outer surface of the door frame 17. The inner end 12 is provided with a locking hole 6 for the padlock 4.

  In the door stopper 5, the door frame locking portion 13, the intermediate portion 14, and the door contact portion 15 are continuously bent, and the door frame locking portion 13 is engaged with the inner end portion 12 of the lock holder 3. A blind hole 16 is provided. In the vicinity of the door contact portion 15 of the intermediate portion 14, a rising portion 18 is formed by being formed with a notch, and the intermediate portion 19 of the lock holder 3 is inserted and locked to the rising portion 18. A locking hole 20 is provided. The iron piece used for the door stopper 5 is thicker than that used for the lock holder 3, and the door stopper 5 is more rigid than the lock holder 3.

  The padlock 4 is attached with its locking portion 22 locked in the locking hole 6 in the inner end 12 of the lock holder 3.

  Hereinafter, the locking process of the indoor side locking device 1 will be described. First, the lock holder 3 is attached to the side edge 10 of the door 9. The lock holder 3 may be attached in advance. Next, the door stopper 5 is attached to the lock holder 3 from the indoor side with the door 9 closed. The mounting is performed by inserting and locking the inner end portion 12 and the intermediate portion 19 of the lock holder 3 into the locking holes 16 and 20 of the door stopper 5. Next, the locking portion 22 is locked in the insertion locking locking hole 6 of the inner end portion 12 of the lock holder 3, and the padlock 4 is attached and locked. Since the padlock 4 is attached in this way, the inner end 12 of the lock holder 3 cannot be removed from the locking hole 16 of the door stopper 5 and the door frame locking portion 13 is locked to the door frame 17. Even if a force in the opening direction is applied to the door 9, the opening operation is prevented.

  Also in the indoor side locking device 1 of 2nd Embodiment, the effect similar to the indoor side locking device 1 of 1st Embodiment is exhibited.

  FIG. 6 shows a third embodiment, which is a modification of the second embodiment. In this embodiment, a ball lock 32 is used. When the ball lock 32 is locked, the ball inside is locked in the locking hole 6 of the inner end 12 of the lock holder 3 to be in a locked state, and in this state, as in the case where the padlock 4 is used. The opening operation of the inner opening door 9 is prevented. Also in the indoor side locking device 1 of 3rd Embodiment, the effect similar to the indoor side locking device 1 of 1st, 2nd embodiment is exhibited.

  FIG. 7 shows a fourth embodiment which is a further modification of the second embodiment. In this embodiment, a block-shaped resin molded product is used as the door stopper 5. The door stopper 5 is provided with a locking hole 16 communicating from the inner surface side to the outer surface side, and a door frame locking portion 13 is formed to protrude on one side of the outer surface side. According to this embodiment, the lock holder 3 is stabilized by being inserted and held in the locking hole 16 of the door stopper 5, and the door stopper 5 is in surface contact with each of the inner surface of the door 9 and the inner surface of the door frame 17. Thus, a stable mounting structure can be obtained. Also in the indoor side locking device 1 of 4th Embodiment, the effect similar to the indoor side locking device 1 of 1st, 2nd, 3rd embodiment is exhibited.

1 Indoor side locking device 3 Lock holder (locking mechanism, lock holding piece)
4 Padlock (locking mechanism, lock body)
5 Door stopper (locking mechanism, door closing piece)
9 door 17 door frame

Claims (3)

  An indoor side characterized in that it is inserted and attached between the door and the door frame by retrofitting, and includes a door locking mechanism on the indoor side, and the locking mechanism can be unlocked only by an unlocking person. Locking device. It is used for the inside door of a building,
A lock holding piece removably attached to the door frame so that the inner end protrudes inward from the indoor side surface of the inner opening door;
A door closing piece that is removably attached to the inner end of the lock holding piece and is locked to the indoor side surface of the inner opening door;
The lock holding piece is attached to a portion protruding indoors from the locking position to the door closing piece at the inner end portion, and holds the mounting state of the door locking piece on the lock holding piece during locking. A lock body;
The indoor side locking device characterized by comprising. Used for exterior doors in buildings,
A lock holding piece removably attached to the outer door so that the inner end protrudes inward from the indoor side surface of the door frame;
A door closing piece that is removably attached to the inner end of the lock holding piece and is locked to the indoor side surface of the door frame;
Attached to a portion of the inner end portion of the lock holding piece that protrudes indoors from the locking position to the door closing piece, holds the door frame locking piece attached to the lock holding piece during locking. A lock body to
The indoor side locking device characterized by comprising.

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