JP2567874Y2 - Key storage box - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a key storage box which is installed at a place with a door, such as an entrance of a house or an entrance of an office, and is used for safely storing a key of the door.

[0002]

2. Description of the Related Art A lock is usually attached to a door provided at the entrance of a house, an entrance of an office, and the like. For this reason, all residents of the house and users of the office must have the lock key, and if the key is lost or not possessed,
You cannot enter houses or offices.

[0003]

[Problem to be solved by the invention] In a home with many families, instead of having the keys of the entrance door of the whole family, it is necessary to hide the keys in an inconspicuous place near the entrance. It has been done, but the key was stolen,
There was a risk of loss.

The present invention has been made to solve the above-mentioned problem. In a place where a door is provided, such as a house entrance or an office entrance, the key is safely stored and the unlock code is known. An object of the present invention is to provide a key storage box from which only a limited number of persons can take out keys.

[0005]

SUMMARY OF THE INVENTION The key storage box of the present invention comprises:
A storage box 1 having a slot 4 for inputting a key and storing a key, an extraction door 5 provided on a part of the storage box 1 so as to be openable and closable, and for extracting a stored key; A guide plate 10 having a locking recess 11 attached to the door 5 and a locking member 13 having a locking portion 13a which engages with the locking recess 11 of the guide plate 10 when the take-out door 5 is closed.
A mechanical lock 3 operated by a push button 6 exposed on a part of the storage box 1, and protrudingly provided on the back surface of the lock 3, and operated by a release operation of the lock 3. Locking member 1
3 is provided with an operating element 9 for releasing a locked state between the locking portion 13a and the locking concave portion 11.

[0006]

The key storage box thus configured is installed near a place with a door, such as a house entrance or an office entrance. Then, when a resident or the like locks the door to go out, the key is inserted into the key storage box from the input port.

On the other hand, when the resident of the house or the user of the office returns and opens the door, the push button of the code lock is operated to set the unlock code (including the number) stored in advance and release the code. Press the lock button.

[0008] Then, the operator on the back of the code lock moves to move the locking member, and the closed locking state of the removal door is released.
For this reason, the removal door is opened, and the key in the storage box is removed therefrom.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a front view of a key storage box, FIG. 2 is a right side view of the key storage box, and FIG. 3 is a III-III enlarged sectional view thereof. The storage box 1 is formed in a rectangular box shape, and a cover 2 is provided on an upper part of a front surface of the storage box 1 so as to open upward with the shaft 2a as a fulcrum. The back plate 1a of the storage box 1 is provided so as to be detachable from the storage box body or openable and closable via a hinge for installation or opening and closing in an emergency.
a is closed with respect to the storage box main body by a locking tool (not shown).

On the front surface of the upper part of the storage box covered by the cover 2, a key slot 4 and a code lock 3 are provided so as to expose a push button, an unlock button, and a part of a code ring. Input port 4
A lid 4a, which is urged toward the closing side by a spring and can be easily opened, is attached to the inside of the inside.

As shown in FIG. 5, the code lock 3 includes three push buttons 6 urged in a return direction by a return spring, and an unlock button 7 similarly arranged at the left end. A code ring 8 (numbers 0 to 9 are attached to the outer peripheral portion) that rotates so as to change the display code one by one by operating the push button 6; And a sliding member that rotates the code ring 8 in one direction in accordance with the operation of the above, and a sliding member that engages with the engaging portion of each feed piece and slides to the unlock position when the unlock code reaches the display position. When the sliding member is in the unlocking position, the operating member 9 which operates so as to protrude to the rear by pressing the unlocking button 7 is provided in a rectangular box-shaped case.

The structure of the code lock 3 is described in, for example,
-146374 is the same as that described,
Although a detailed description of the structure will be omitted, when the three push buttons 6 are operated and the display code of each code ring 8 becomes a preset unlock code, the sliding member is unlocked by the action of a spring. The unlocking button 7 is moved to the position, and the unlocking button 7 can be pushed, and the operating element 9 is pushed backward by the pushing operation of the unlocking button 7.

At the bottom of the storage box 1, a key outlet is provided, and a take-out door 5 is openably and closably attached thereto via a hinge 5a. A guide plate 10 provided with a guide elongated hole 10a is attached to the take-out door 5, and a locking recess 11 that can be locked to a locking portion 13a of a locking member 13 described later is provided in a part of the guide plate 10. It is formed.

A shaft 12 horizontally fixed to the storage box 1 side via a bracket is inserted into the guide slot 10a of the guide plate 10, and the guide slot 10a is guided with respect to the shaft 12 to take out the door. 5 rotates through a hinge 5a within a certain angle range. The upper end of the guide plate 10 is formed in an arc shape, and a rising wall 5b is provided on the front side of the take-out door 5 to prevent the key from falling when opened and to receive the door. .

Further, a locking member 13 for locking the take-out door 5 is provided on a side portion in the storage box 1 so as to be swingable by a shaft 14 fixed to the storage box inner wall via a bracket. Be pivoted. At the lower end of the locking member 13, there is provided a locking portion 13a which can be locked to the locking recess 11 of the guide plate 10, and at the upper end thereof, a contact portion 13b against which the operator 9 projecting rearward of the code lock 3 comes into contact Is provided.

The locking member 13 is urged by a coil spring 15 hung between the locking member 13 and the inner wall to the side where the locking portion 13a and the locking recess 11 are engaged. When the take-out door 5 is closed, the locking portion 1 of the locking member 13 is
When 3a slides while abutting on the arc portion at the upper end of the guide plate and reaches the locking position, the locking portion 13a is automatically locked in the locking recess 11.

The key storage box constructed as described above is installed near a place with a door, such as a house entrance or an office entrance. Then, when a resident or the like locks the door to go out, the key is inserted into the storage box 1 from the input port 4.

On the other hand, when the resident of the house or the user of the office returns and opens the door, the cover 2 of the storage box 1 is opened upward,
By operating the push button 6 of the code lock 3, the code ring 8 is turned to set the unlock code (number) stored in advance. At this time, the internal sliding member moves to the locking position, and the unlock button 7
Can be pushed in, and the unlock button 7 is pressed in this state (FIG. 7).

Then, the operator 9 on the back side of the code lock 3 is protruded rearward, and as shown in FIG.
3b, the locking member 13 swings around the shaft 14 as a fulcrum.
At this time, the locking portion 13a at the lower end is disengaged from the locking concave portion 11 of the guide plate 10 of the removal door 5, and the locked state is released.
The take-out door 5 opens downward by a certain angle via the hinge 5a by its own weight (FIGS. 6 and 7). The stored key is located on the removal door 5 as shown in FIG.
The key can be easily taken out and used.

After the key is removed, the removal door 5 is
If closed by hand, the locking portion 13a of the locking member 13 faces the locking recess 11 while sliding on the arc portion of the guide plate, and when the locking portion 13a enters the locking recess 11, the locking member 13 is rotated by the coil spring 15, the locking portion 13a and the locking recess 11 are engaged again, and the removal door 5 is closed in the locked state.

After the door such as the entrance is opened using the key, the key is put into the storage box 1 again through the input port 4, and the cover 2 is put on the front surface.

When the unlock code of the code lock 3 is to be changed, by pressing the push button 6 while pressing the unlock button 7 in the unlocked state, only the code ring 8 is rotated to obtain an arbitrary code. Can be changed to

Further, in the above embodiment, the cover is provided on the upper part of the storage box 1, but the cover is not necessarily provided. The key slot can be provided on the ceiling of the storage box or above the code lock.

Further, in the above embodiment, the take-out door 5 is
Although the key receiving portion is used for taking out the key, the key receiving portion that has fallen below the key receiving portion may be provided separately from the take-out door.

[0026]

[Effects of the Invention] As described above, according to the key storage box of the present invention, the key of the door is safely stored in the storage box with the code lock, and when necessary, the person who knows the unlock code can lock the key. Since it can be easily taken out, in a home with many families or an office with many users, it is not necessary for the whole family or all the users to have the keys of the doors, etc. There is no need to hide the key in an inconspicuous location, so there is no risk of the key being stolen or lost. Also,
In the event of an emergency inside the house after a family member goes out, contact the fire department, police, acquaintances, neighbors, etc. with the unlock code to remove the key and open the door of the house. it can.

Further, the key storage box of the present invention operates mechanically without using electricity, so that it does not require replacement of batteries and can take out keys even in the event of a power failure.

[Brief description of the drawings]

FIG. 1 is a front view of a key storage box showing one embodiment of the present invention.

FIG. 2 is a right side view thereof.

FIG. 3 is an enlarged sectional view taken along the line III-III of FIG. 1;

FIG. 4 is a perspective view of a mechanism that locks an extraction door.

FIG. 5 is a perspective view of a code lock.

FIG. 6 is a perspective view showing a state in which a cover and a takeout door are opened.

FIG. 7 is a front view showing a use state.

[Explanation of symbols]

 1-storage box, 2-cover, 3-sign lock, 4-inlet, 5-removal door, 9-operator, 13-locking member.

Claims (2)

(57) [Scope of request for utility model registration] 1. A storage box having an input port for inputting a key and storing a key, an opening door provided in a part of the storage box so as to be openable and closable, and for taking out the stored key, A guide plate having a locking recess attached to an extraction door
And a locking recess of the guide plate in the closed state of the take-out door.
A locking member having a locking portion that engages with the portion, and operated by a push button exposed on a part of the storage box.
A mechanical code lock to be protruded from the back of the code lock,
Engagement of the locking member is actuated by the release operation of the code lock
A key storage box , comprising: a stopper and an operator for releasing a locked state between the locking recess . 2. The key storage box according to claim 1, wherein a cover for covering the slot and the code lock is provided on the outside of the storage box so as to be openable and closable. "