JP3185198U - Auxiliary lock device - Google Patents

Abstract

An auxiliary lock device having excellent crime prevention performance, which is prevented from being forcibly opened by an external force.
A lock holding piece 3 is attached by being fitted and fixed to a side edge of an inner opening door 9, and an outer end portion 12 of the inner opening door 9 is protruded outward from an outer surface of a door frame 17 to which the inner opening door 9 is attached. The door closing piece 5 provided with a door frame locking portion 13 that is locked and attached to the outer end portion 12 of the lock holding piece 3 and is locked to the outer surface of the door frame 17, and the outer end portion of the lock holding piece 3. 12, a force A in a direction away from the door frame 17 is applied to the door closing piece 5 in the auxiliary locking device including the lock main body 4 attached to a portion protruding outward from the locking position to the door closing piece 5. In this case, separation preventing portions 18 and 19 for preventing separation of the door closing piece 5 are provided. The separation preventing portion 18 is provided with a locking hole through which the separation preventing portion 19 is inserted and locked in the direction of force A.
[Selection] Figure 3

Description

  The present invention relates to an auxiliary lock device that is used by retrofitting an interior door or the like of an apartment.

  Recently, an auxiliary lock attached later is often used for a door of an apartment from the viewpoint of crime prevention. 6 and 7 show an auxiliary lock device used in a conventional inner door. The auxiliary lock device 100 includes a lock holder 105 that is fitted and fixed to the side edge 102 of the inner opening door 101, a door stopper 110 that is locked and held by the lock holder 105, and a padlock that is attached to the tip of the lock holder 105. 112. The auxiliary lock device 100 cannot be moved inward of the lock holder 105 because the padlock 112 is attached, and the inner opening door 101 is opened when the door stopper 110 is locked to the outer surface of the door frame 104. Is to be blocked.

  In the auxiliary lock device 100 having the conventional configuration, when a large force is applied to the padlock 112 in the direction of the arrow X, the force is applied to the lock holder 105 to which the padlock 112 is attached, and the lock holder 105 is indicated by a dotted line. To the arrow Y direction. Further, the door stopper 110 is also slid in conjunction with the lock holder 105 and displaced as indicated by a dotted line, and the end portion 106 is detached from the door frame 104, whereby the inner opening door 101 is opened. That is, there is a problem that the door stopper 110 is pry open and the inner door 101 is opened.

  The present invention has been made in view of the above points, and an object thereof is to provide an auxiliary lock device that is excellent in crime prevention performance and is prevented from being forcibly opened by force from the outside.

  In this device, a lock holding piece that is fitted and fixed to a side edge of the inner opening door and whose outer end protrudes outward from the outer surface of the door frame to which the inner opening door is attached, and the lock A door closing piece that is locked and attached to the outer end portion of the holding piece and includes a door frame engaging portion that engages with the outer surface of the door frame, and the door closing piece at the outer end portion of the lock holding piece. A lock body attached to a portion projecting outward from the locking position to the door, and when the door closing piece is subjected to a force in a direction away from the door frame, the door closing piece There is provided an auxiliary lock device provided with a separation preventing portion for preventing separation of the above.

  According to the above configuration, when a force in a direction away from the door frame is applied to the door closing piece, the separation preventing portion that prevents separation of the door closing piece is provided. Even if a large force is applied to the outer end in a direction away from the door frame, the door closing piece is prevented from separating from the door frame. As a result, the door frame locking portion of the door closing piece is not detached from the door frame, and the inner opening door is prevented from being opened. The separation preventing portion may be provided on either the lock holding piece or the door closing piece.

  The disengagement prevention portion has a locking structure in which the lock holding piece and the door closing piece are locked to each other in the vicinity of the inner opening door, so that the displacement of the lock holding piece at the locked position when a force is applied. The amount of the door closing piece is reduced, and therefore there is almost no movement of the door closing piece linked to this, and the function of preventing the door closing piece from separating is satisfactorily performed.

  The locking structure that becomes the separation prevention part is easy because the lock holding piece is inserted and locked into the locking hole provided in the rising part to the lock holding piece side formed in the door closing piece. A stable structure is formed.

  Since the door closing piece is configured to be more rigid than the lock holding piece, the force applied from the lock holding piece side can be stably received by the door closing piece.

  According to this device, it is possible to obtain an auxiliary lock device excellent in crime prevention performance that is prevented from being forcibly opened by force from the outside.

  External appearance perspective view of embodiment of auxiliary lock device of this invention   External perspective view of an embodiment of a door stopper used in the auxiliary lock device of this device   Use explanatory drawing of embodiment of the auxiliary lock device of this invention   Different use explanatory drawing of embodiment of the auxiliary lock device of this device   External perspective view of other embodiment of auxiliary lock device of this invention   External perspective view of a conventional auxiliary lock device   Illustration of use of conventional auxiliary lock device

  FIG. 1 is an external perspective view of the auxiliary lock device of the present invention, FIG. 2 is an external perspective view of a door stopper used in the auxiliary lock device, and FIG. 3 is an explanatory view of the use of the auxiliary lock device.

  The auxiliary lock device 1 is composed of a lock holder (lock holding piece) 3 and a door stopper (door closing piece) 5 which are bent and punched out of an iron piece, and a padlock 4. It is the same as that.

  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 inner opening door 9, and the screw fixing tool 11 is tightened, so that the outer end portion 12 is inwardly opened. The door 9 is attached and fixed so as to protrude outward from the outer surface of the door frame 17 to which the door 9 is attached. The outer end 12 is provided with a locking hole 6 for the padlock 4.

  The door stopper 5 includes a door frame locking portion 13, an intermediate portion 14, and a door abutting portion 15 that are continuously bent. The door frame locking portion 13 is engaged with the outer 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 structure in which the intermediate portion 19 of the lock holder 3 is inserted and locked in the locking hole 20 of the rising portion 18 of the door stopper 5 constitutes a locking structure serving as a separation preventing portion of the present invention.

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

  Hereinafter, the locking process of the auxiliary locking device 1 will be described. First, the lock holder 3 is attached to the side edge 10 of the inner opening 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 outside with the inner opening door 9 closed. The mounting is performed so that the outer end portion 12 and the intermediate portion 19 of the lock holder 3 are inserted and locked in the locking holes 16 and 20 of the door stopper 5, respectively. Next, the locking portion 22 is locked in the locking hole 6 of the outer end portion 12 of the lock holder 3, and the padlock 4 is attached and locked. By attaching the padlock 4 in this way, the outer end 12 of the lock holder 3 cannot be pulled inward from the locking hole 16 of the door stopper 5, and the door frame locking portion 13 is locked to the door frame 17. Therefore, even if a force in the opening direction is applied to the inner opening door 9, the opening operation is prevented.

  Even when a large force is applied to the outer end 12 of the padlock 4 or the lock holder 3 in the direction of arrow A away from the door frame 17 in the locked state, the intermediate portion 19 of the lock holder 3 is connected to the rising portion 18 of the door stopper 5. The door stopper 5 is locked in the locking hole 20 and positioned in the vicinity of the inner opening door 9 with respect to the lock holder 3 so that it does not slide in conjunction with the outer end portion 12 of the lock holder 3. .

  When a large force is applied in the direction of the arrow A, the intermediate portion 19 of the lock holder 3 is rotationally displaced in the direction of the arrow B with the base end 25 as an axis. The 20 position is very small, and therefore the sliding movement of the door stopper 5 hardly occurs. At this time, the force applied to the door stopper 5 from the lock holder 3 is received by the door contact portion 15 that is in contact with the surface of the inner opening door 9, and the rigidity of the door stopper 5 is large, so Occurrence of bending at the end 26 position is also avoided. As a result, the door stopper 5 is not opened, so that the end portion 28 of the door frame locking portion 13 is not detached from the door frame 17 and the inner opening door 9 is prevented from being opened.

  FIG. 4 shows a state in which the auxiliary locking device 1 is attached using a spacer. By attaching using the spacer 30 in three places, the auxiliary | assistant lock apparatus 1 is attached stably without rattling.

  FIG. 5 shows another embodiment, in which a ball lock 32 is used. When the ball lock 32 is locked, the inner ball is locked in the locking hole 6 of the outer end 12 of the lock holder 3 to be in a locked state, and in this state, similarly to the case where the padlock 4 is used. The opening operation of the inner opening door 9 is prevented.

1 Auxiliary lock device 3 Lock holder (lock holding piece)
4 Padlock (lock body)
5 Door stopper (door closing piece)
18 Start-up part (separation prevention part)
19 Middle part (separation prevention part)
20 Locking hole (separation prevention part)

Claims (4)

A lock holding piece that is fitted and fixed to the side edge of the inner opening door, and whose outer end protrudes outward from the outer surface of the door frame to which the inner opening door is attached; and
A door closing piece provided with a door frame locking portion that is locked and attached to the outer end portion of the lock holding piece and locks to the outer surface of the door frame;
A lock body attached to a portion projecting outward from a locking position to the door closing piece at the outer end of the lock holding piece;
An auxiliary locking device comprising:
An auxiliary lock device comprising a separation preventing portion for preventing separation of the door closing piece when a force in a direction away from the door frame is applied to the door closing piece.   2. The auxiliary lock device according to claim 1, wherein the separation preventing portion has a locking structure in which the lock holding piece and the door closing piece are locked to each other at a position in the vicinity of the inner opening door.   3. The auxiliary device according to claim 2, wherein the locking structure is a structure in which the lock holding piece is inserted and locked in a locking hole provided in a rising piece formed on the door closing piece toward the lock holding piece side. Locking device.   The auxiliary lock device according to claim 2 or 3, wherein the door closing piece is more rigid than the lock holding piece.

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