JPS58176372A - Fire resistant strong box capable of selecting locking condition - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a fireproof safe, and more particularly to a fireproof safe whose locking mechanism can be locked automatically or manually.

Conventional fireproof safes have the drawback that people often forget to lock the door after closing it, which can lead to a situation where the safe is stolen, and that the safe is not sufficiently resistant to theft. In order to eliminate this drawback, the present invention aims to provide a fireproof safe that allows automatic locking and also allows manual locking to be selected. An input device such as a keyboard provided on the front side of the fireproof safe for inputting information;
a storage means for storing conditions inputted from this input device; and a control means such as a CPU for outputting a locking control signal when the locking mechanism is in an unlocked state when the stored condition is automatic locking. (iii) input means identical to or separate from the input device for inputting a control signal to cause the control means to output a lock control signal when the condition is manual locking; It consists of a lock circuit that outputs a lock drive signal to a drive mechanism such as a motor of the mechanism.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In Fig. 1, numeral 1 is a safe body filled with fireproof concrete (not shown), and the front side of the safe is filled with fireproof concrete. A door 3 filled with J-) 2 (see FIG. 7) is attached by a pair of hinges 4 and 5 so as to be openable and closable. On the front side of the door 3, a /tor 6 and /linda lock 7 are provided, and a decorative case 8 is fixed. This cosmetic case 8 has a dial 9, which is an input means, rotatably supported by a shaft 10, and is a human-powered device having 12 operation buttons 11 that display numbers from D to 9, #, and US. Keyboard 12, LCD display 8
The shaft 10 of the 1°+iii dial 9, which is provided with a display section 13 for digitally displaying digits and a dry cell storage section 14 that can be opened and closed, is connected to the L part case 15 and the lower case fixed in the decorative board 8. 16 also has a pair of bearings 1'7.1
It is rotatably supported via 8. A rotary plate 19 is fixed to the shaft 10 so as to be located inside each of the cases 15 and 16, and magnetic shielding plates 20 and 21 are fixed to both sides of the rotary plate 19, respectively. As shown in FIG. 4, each magnetic shielding plate 20.21 has a 4f4
Notches 22 (only one side is shown) are provided at positions facing each other, and a ferrite magnet 24 is attached to the upper case 15 via a packing 23 so as to correspond to when these notches 22 are located on the uppermost side. is installed. Further, an IJ-dosinoch 25 is attached to the lower case 16 at a position facing the ferrite magnet 24 .

Therefore, when the notch 22 of each magnetic shielding plate 20, 21 is positioned corresponding to the ferrite magnet 24 and the reed switch 25, the reed switch 25 is turned on. As is clear from FIG. 5, the circumferential end of the rotating plate 19 has slits 26, 27, and 28 arranged in six radial rows indicating the binary numbers 0.1, 10, and 11 in the circumferential direction. There are 100 transparent rows arranged at equal intervals. That is, the slit 26 represents 0, the slit 27 represents 1 as the first digit, and the slit 28 represents 1 as the second digit.In the circumferential direction, each row is 56 degrees. One is provided for each rotation angle. 29.30.

Reference numeral 31 denotes a phototransistor mounted on the side case 15 by means of a mounting board 32 so as to correspond to each of the slits 26, 27, 28, and the phototransistor 31 is mounted on the F case 16 to face each of the phototransistors 29, 30, 31, respectively. Light emitting diodes 33, 34, and 35 are mounted via a mounting board 36 so as to be located at the same positions. Therefore, if all phototransistors 29, 30, 31 receive light, it is 11, and if each phototransistor 29, 31 receives light, it is 10.
, if each of the phototransistors 30, 31 receives light, it will be 1, and if only the phototransistor 31 receives light, it will be 0, respectively. Then, if 0.1.10.11.0 is detected in the order of counterclockwise direction, mouth, 11, 10.1.04. If the detection is performed in this order, it can be detected that the rotary plate 19 is rotating in the first direction. As mentioned above, each slit 26, 2 is provided in the circumferential direction.
Since 7.28 rows are provided for every rotation angle of 5.6 degrees, by detecting and counting the number of rows of each Surin 1-26, 27, and 28, the rotation amount of the rotary plate 19, that is, the dial 9 This rotation amount is converted from a rotation angle of 66 degrees to 1 and digitally displayed on the display unit 13 in units of two digits. However, when the dial 9 is reversed from the stop position, the digital display in this embodiment is always blank, 0.1.2, 0, 410, etc.
It does not have an absolute reference position. So for example 1020
To display 3040 on the display unit 13, it is necessary to rotate 462 degrees clockwise (2, rotate 792 degrees counterclockwise, rotate 1152 degrees clockwise, and rotate 1512 degrees counterclockwise. In other words, the configuration is such that 1 is displayed only after counting each slit 26, 27, and 28 in the 6th column.
5. Phototransistor 29, 30.

31, a dial 9 with a rotating plate 19, a keyboard 12 as an input device, a display unit 13 as an output device, and fixed in the cosmetic case 8 shown in FIG. The IC board 37 is electrically connected to a CPU 38 which is a control means for the microprocessor (see FIG. 8). As shown in FIG. 8, 1) The CPU 38 described in 1. Connected by address bus and data bus.

Both circuits 39 and 40 described in J are electrically connected to a motor 54 which is a drive mechanism of the locking mechanism, which will be described later. The unlocking circuit 39 confirms in the AC CPIJ 38 that the unlocking number entered manually from the dial 9 is equal to the unlocking number previously set and stored in the ROM IQ1, and then unlocks it from the CPU 3B. When the control signal is output, an unlock drive signal is output to rotate the motor 54 one rotation in the forward direction.

Furthermore, when the manual locking conditions are stored in the RAM 100 by manual input from the keyboard 12, the locking circuit 40 receives a detection signal indicating that the dial 9 has rotated six times or more in the same direction. (not shown), and when a lock control signal is output from this control circuit, a lock drive signal is output in response to this signal, and the motor 5
4 rotates once in the opposite direction. Here, if the automatic locking condition is stored in the RAM 100 by manual input from the keyboard 12, the unlocking drive signal from the unlocking circuit 39 described above is fed back to the CPU 38, and the locking mechanism described later becomes unlocked. After a predetermined period of time, for example, 6
After 0 seconds, a locking control signal is output from the control circuit, and
The locking circuit 40 outputs a locking drive signal and causes the motor 54 to rotate once in the opposite direction. RA of the manual locking condition or automatic locking condition using the keyboard 12 as described above
The program input to M100 is performed according to the procedure stored in advance in ROMIQi. This procedure, for example, involves pressing the same number keys for 6 digits of the operation button 711 of the keyboard 12, then pressing the # key, and then inputting the manual unlocking condition. If so, you can set it to press the number key 1, or if it is an automatic unlocking condition, press the number key 2 and then press the rice key.

Note that 41 is a battery housed in the dry battery housing section 14 that supplies power to each of the electronic components described above.

Next, the lock mechanism will be explained. As is clear from FIG. 6, a pair of guide pins 42 and 43 are protruded from a predetermined position on the back surface of the door 3 at predetermined intervals in six vertical directions, and these guide pins 42 and 43 are fitted with metal plates. A slide body 44 formed of is fitted and supported in a pair of horizontally elongated holes 45 and 46 transparently provided at a predetermined position so as to be slidable laterally.

The slide body 44 has a retaining part 47 and a lower engaging part 48 on the negative side, and six rods 49, 50, 51 are fixed to the negative side at predetermined intervals in the vertical direction. At the same time, it is constantly biased toward the right in FIG. 6 by springs 52 and 53. Due to the biasing force of the springs 52, 53, the six rods 49, 50, 51 of the slide body 44 protrude from the side surface of the door 3 on the side opposite to the hinge, and are engaged with the one side wall 1a of the safe body 1. (solid line state in FIG. 6), and at this time the door 3 is in a locked state. 54 is a base plate 5 fixed to the back of the door 3
This is a motor that performs forward and reverse rotation fixed at No. 5.
As shown in the figure, it is electrically connected to the output ends of the unlocking circuit 39 and the locking circuit 40.

A gear 56 is fixed to the output shaft of the motor 54, and the gear 56 is rotatably supported by a support (not shown) fixed to the base plate 55, and has a rotating shaft parallel to the base plate 55. It meshes with a gear 59 fixed to one end of the gear 58. A worm 60 is fixed to the other end of the rotating shaft 58, and this worm 60 meshes with a worm gear 62 fixed to a rotating shaft 61 rotatably mounted on the base plate 55. . Note that this worm gear mechanism is configured to be able to transmit rotational force in the opposite direction as well.

Further, a circular cam plate 64 having a U-shaped notch 63 is fixed to the rotating shaft 61, and when the motor 54 rotates once in the forward direction, the cam plate 64 is rotated by each of the aforementioned gears as shown in FIG. It rotates half a turn counterclockwise. A free end of a lever 66 rotatably supported on a support shaft 65 vertically provided on the base plate 55 is stretched between the lever 66 and the Ail rotating shaft 61 on the cam plate 64. They are urged by the tensile force of the spring 67 and are in contact with each other. A pair of support plates 68 vertically installed on the base plate 55.
69 are each provided with a through hole, and the lock bar 7 is inserted here.
0 is slidably supported.

iii A pin 71 located on the rotation path -1- of the lever 66 is provided on the upper surface of the first cock bar 70, and a spring 72 is stretched between it and the support plate 69. The lock bar 70 is urged in the direction of protruding from the support plate 69 by the tensile force of the spring 72, and when the lock bar 70 is in the protruding state, it is located on the path of movement of the lower engaging portion 48 of the slide body 44. This is the locked state.

Conversely, the state shown by the imaginary line in FIG. 2, in which the lock bar 70 has entered the support plate 69, is the unlocked state.

73 is a locking plate portion of the /linda lock 7, which protrudes when the /linda lock 7 is in the unlocked state and protrudes when the /linda lock 7 is in the locked state, and when it protrudes, it engages with the upper part of the slide body 44. It is located on the movement path of the portion 47. Therefore, when the door 3 is in the locked state as described above, the −L portion engaging portion 47 of the slide body 44 engages with the locking plate portion 73 of the cylinder lock 7.
When the lower engaging portion 48 is locked by the lock bar 70, the slide body 44 moves to the upper left in FIG.

Movement in that direction is prevented. The engaging portions 47 and 4 formed by the locking plate portion 73 and lock bar 70 described above are still in place.
8 is released, the slide body 44 becomes movable to the left in FIG. 6 against the urging force of the springs 52 and 53.

A vertically long oblong hole 74 is transparently provided slightly above the upper end in the height direction of the slide body 44, and a pin 75 is inserted into this oblong hole 74.
is loosely fitted. The pin 75 is fixed to the upper end of an arm 76, and the t end of this arm 76 is connected to the shaft 7 of the handle 6.
7 is fitted and fixed.

The locking force is the lock bar 70 and the cylinder lock 7.
When the nozzle 6 is rotated clockwise in FIG.
7, the pin 75 rotates in the counterclockwise direction in the top of FIG. 6, and the pin 75 moves to the left in the top of the figure, so that the slide body 44 also moves in the same direction to the state shown by the imaginary line in FIG. become. At this time, the six rods 49, 50, 51 are separated from the side wall 1a of the safe main body 1, and the door 3 becomes unlocked.

Reference numeral 78 is a locking piece, which is attached to the pinot 7 at a predetermined position on the back surface of the field 3.
It is rotatably supported by 9.

Further, the locking piece 78 is biased by a spring 80 so as to rotate in the chronological direction in FIG.

When the slide body 44 moves to the unlocked state position (the imaginary line state in FIG. 6) due to the old force of the spring 80, the lower retaining portion 81 is engaged with the IF switch, and the slide body 44 is engaged. Movement in the upper right direction in FIG. 6 due to the biasing force of each spring 52 and 530 is prevented. Reference numeral 82 denotes a movable rod, whose tip abuts the locking piece 78 and is supported by the field 3 so as to be movable in the axial direction. The moving rod 82 is moved in conjunction with the opening/closing operation of the door 3, and when the field 3 is closed, it moves to the right in FIG. 6 and moves the locking piece 78 counterclockwise in the same direction. It rotates in the direction. Therefore, the locking piece 78
When the door 3 is closed in the unlocked state in which the sixth engaging portion 81 of the slide body 44 is locked, the locked state is released and the slide body 44 moves toward the right in FIG. It is possible to move to.

Next, the operation of the above-described embodiment will be explained. First, the case of changing from the locked state shown by the solid line in FIG. 6 to the unlocked state will be described. When the dial 9 is rotated in any direction from the rest position to a position where the notch 22 of the magnetic shielding plate 20° 21 corresponds to the ferrite magnet 24 and the lead switch 25, the lead switch 25 is turned on.
Power is supplied to each circuit. Next, the dial 9 is repeatedly reversed in units of two digits according to the eight-digit unlock number set in advance. For example, if the unlock number is 12
345678, when the dial 9 is reversed from the position where the reed switch 25 is turned on, the rotating plate 19 rotates and each line 1-26. , 34.35 and the phototransistors 29.degree. and 30.31, and the rotation of the rotary plate 190 begins to be digitally displayed on the display section 13, so that when 12 is displayed, the rotation of the rotary plate 190 is stopped. Then, when the dial 9 is reversed again and 34 is displayed on the display section 13, the dial 9 is further reversed. When the display is displayed, the rotation of the dial 9 is stopped. In this two-digit table 7J<, the conventional number is sequentially shifted to the second digit and displayed every time a new number is displayed. When the official unlocking number is input using the dial 9 in this way, the CPU 38 confirms that it matches the preset unlocking number sent from the ROM 101, and issues an unlocking control signal. In response to this signal, the unlocking circuit 39 issues an unlocking drive signal to the motor 54.

By kneading, the motor 54 rotates once in the forward direction, and the cam plate 64 rotates half a rotation counterclockwise in FIG. 6 as described above.

Therefore, the spring 6 is inserted into the notch 63 that has moved.
The lever 66 pushed in by the biasing force 7 rotates upward in the figure as the cam plate 64 rotates, and pushes the pin 71 upward in the figure. As a result, the lock bar 70 pushes into the support plate 69 against the biasing force of the spring 72 and releases the locked state from the lower retaining part 48, while the lever 66 is released from the notch part 63, as shown in FIG. When the lock bar 70 stops in the upper imaginary line state, the lock bar 70 also stops in the imaginary line state. Subsequently, when the cylinder lock 7 is unlocked, the locking plate portion 73 moves in and releases the locking state with respect to the upper engagement portion 47. Here, if the handle 6 is rotated clockwise in FIG. 1, the slide body 44 moves from the solid line state position in FIG. 6 to the virtual line state position in FIG.
9°50.51 separates from one side wall 1a of the safe body 1 and rushes into the door 3. This will release the lock status,
When the door 3 is opened, the slide body 44 is locked by the locking piece 78 and maintained in the unlocked state (as shown by the imaginary line in FIG. 6).

Next, in order to lock the door again under the manual locking condition, first close the door 3, and the moving opening/1-82 is pushed against the hinge-side side wall of the safe body 1 to the right in FIG. , the locking piece 78 is rotated against the biasing force of the spring 80, and the slide body 44 is released from the locking state by the locking piece 78, and each spring 52.
Due to the urging force of 53, the door 3 moves to the solid line position in Figure 6, and along with this, the six rons) 49, 50.
protrudes and engages with one side wall 1a of the safe main body 1.

Next, the / cylinder lock 7 is locked, and the dial 9 is turned six times in the same direction by two turns.Then, the locking plate part 73 protrudes, while the motor 54 is turned in the opposite direction by the locking drive signal. The lever 66 is returned to its original position by one rotation, and the lock bar 70 is projected from the support plate 69 by the biasing force of the spring 72, thereby returning to the locked state as shown by the solid line in FIG. 6, and the door 3 to the locked state. It is something.

-b-1 Under the automatic locking condition, when a predetermined period of time elapses, for example, 60 seconds after the unlocking drive signal is issued, C
When the locking control signal is output from the PU 38, the motor 54 rotates once in the opposite direction, returning the lever 66 to its original position. At this point, the cylinder lock 7 is normally in the unlocked state and the door 3 is in the open state, so even if the lever 66 returns to its original position, the lock bar 70 will not be locked in the lower locking part 48. The unlocked state is maintained.

When the door 3 is closed here, the slide body 44
moves to the solid line position in Figure 6, the lock bar 70
is released from the locked state by the lower locking portion 48 and protrudes from the support plate 69 due to the biasing force of the spring 72. If the cylinder lock 7 is locked here, the door 3 will be in a locked state.

In addition, in the above-mentioned embodiment, the case where the cylinder lock 7 was also provided was explained, but this cylinder lock 7 does not necessarily need to be provided.

Further, although the dial 9 is used as an input means for unlocking and manual locking operations, it is also possible to use the keyboard 12 for the same purpose.

As is clear from the above explanation, according to the present invention, if the automatic locking condition is selected, even if you forget to lock the door, the door will be locked by closing it, which improves theft prevention. When opening and closing, by selecting manual locking conditions, it is possible to avoid the complexity of the unlocking operation, which has the excellent effect of not sacrificing operability.

[Brief explanation of the drawing]

The figures show preferred embodiments of the present invention, in which Fig. 1 is an overall front view of the safe, Fig. 2 is an enlarged 8+ illustration of the cosmetic case, and Fig. 6 is a partial sectional view showing the dial rotation amount detection mechanism. Fig. 4 is a front view showing the rotating plate and the magnetic shielding plate, Fig. 5 is an enlarged developed view showing the arrangement of the slits in the rotating plate, Fig. 6 is a rear view of the door showing the locking mechanism, and Fig. 7 is a FIG. 8 is an enlarged cross-sectional view of the door with some parts omitted, and FIG. 8 is a block diagram showing the entire electric cloth control system. 1. Safe body 32. Door 9. dial
12. , keyboard 13. Display section 38. ,,CPU 39. ,,Unlocking circuit 40. ,,Lock circuit 44. ,,sliding body
54. ,, motor 64. ,,cam plate 66,,
, lever 70 , , lock bar 78. ,
, locking piece 100. ,,RAM IQl,,,R
OM Patent applicant King Kogyo Co., Ltd. Microdata Co., Ltd. No. 10 - 11 ■ Day Low - Aichi ~ - 口 口 口, -: 3 Ken 1 5 Tsurushi IL Name '711 Atsushi '8 times

Claims (1)

[Claims] A fireproof safe consisting of a main body filled with a fire-resistant material, a door also filled with a fire-resistant material and attached to the main body so as to be openable and closable, and a locking mechanism provided on the back side of the door, which locks automatically or manually. a manual device provided on the surface side of the fireproof safe for manually inputting one of the conditions; a storage means for storing the condition inputted from the input device; 01.7 A control means for outputting a locking control signal when the locking mechanism is in an unlocked state, and a control signal for manually outputting a locking control signal to the control means when the stored condition is manual locking. A large-sized safe capable of selecting locking conditions, comprising an input means and a lock circuit that outputs a lock drive signal to a drive mechanism of the lock mechanism when a lock control signal is output from the control means.