JPS5915574Y2 - Lock structure in safe deposit box - Google Patents

Description

[Detailed description of the invention] This invention relates to a lock structure for a safe deposit box equipped with a guard lock (bank lock) and a renter's lock (customer lock). This allows the safe to be unlocked by opening the safe, and prevents it from being locked when the inner box of the safe deposit box is not stored.

Safe deposit box equipment in banks, etc. generally divides a safe deposit box unit 1 into a large number of safe deposit boxes 3, 3... (hereinafter simply referred to as vaults) using partition plates 2, 2..., as shown in Fig. 1. A partition and a door 5 having a safe deposit box lock 4 are attached to each of these safe rooms 3 separately, and an inner box 6 is stored in each of these safe rooms 3 so as to be freely accessible.

The lock 4 is usually equipped with a guard lock and a renter's lock, and these two lock holes 7a.

The door can only be opened by inserting a key owned by the bank and a key owned by the customer into 7b, and the door cannot be opened with only one key.

Therefore, in order to actually open the door, the renter's lock can only be unlocked after the customer goes to the vault in the presence of a bank staff member and unlocks the guard lock.

Conversely, when the door is closed, it can be locked only with the customer's key.

However, with this method, a staff member must be present for each customer, making the reception on the bank's side extremely complicated and troublesome, and it may not be possible to attend to a large number of customers at one time. There was a risk that this would occur.

In addition, once the door is opened in the presence of a staff member, the customer must pull out the inner box and perform the necessary operations to put in and take out the safe. Sometimes I put it away, and sometimes I have to put it away, close the door, and then open it again.

In that case, the door must be opened again in the presence of an attendant, which is extremely troublesome for both the customer and the attendant, and is not necessarily satisfactory in terms of labor savings.

This idea was made against the above background, and it allows the guard lock to be unlocked by either mechanical lock operation or electrical remote control, and also allows the inner box to be stored properly. The purpose is to prevent the vault door from being locked for as long as possible, thereby eliminating inconveniences and adverse effects.

Hereinafter, one embodiment of this invention will be described in detail using the drawings from FIG. 2 onwards.

However, since the configurations of the vaults themselves are all the same as described above, the same reference numerals will be used, and only one vault will be explained.

In Figure 2, 3 is a partition plate 2゜2... on both the top and bottom sides.
5 is a metal layer attached to the front opening of the vault 3 via a hinge 8.

A lock 10 is attached to the inner surface of the open/closed end of the metal layer 5.

A bar 12 protrudes from the side surface of the case 11 of the lock 10, and the bar 12 is brought into contact with the partition plate 2 to prevent the door from being opened.

A lock pin 13 protrudes from the side surface of the case 11.

This lock pin 13 is in contact with the rear end surface of the inner box 6 housed in the safe chamber 3.

As shown in FIGS. 3 and 4, the lock 10 includes a main case 14 that is mounted inside the case 11, and a lid 15 that covers the opening of the main case 14.

A pair of cylindrical lock holes 16 and 17 are erected in the lid 15, and each lock hole 16 and 17 protrudes into the front opening of the metal layer 5.

A guard lock 18 and a renter's lock 19 are rotatably mounted in the lock holes 16 and 17, respectively.

The main body case 14 is located in the center of each of these locks 18 and 19.
A guide post 20 is provided which is integrally erected on the inner bottom surface of the.

The gap 12 includes a main body case 14 and a protrusion 21 that penetrates through the case 11 and appears and retracts, and a flat plate integrally connected to the protrusion 21 and slidably disposed on the inner bottom surface of the main body case 14. It is provided with a shaped guide part 22 and a locking protrusion 23 erected on the guide part 22.

The guide portion 22 has an elongated hole 24 guided by the guide post 20 and an operating groove 25 communicating with the elongated hole 24.

Key grooves 26 and 27 are formed in the guard lock 18 and renter's lock 19, respectively.

Further, a fan-shaped cam portion 28 that engages with the operating groove 25 is integrally formed in the lower part of the renter's lock 19.

When the renter's lock 19 is rotated by key operation, the cam lead surface of the cam portion 28 comes into sliding contact with the inner wall of the operating groove 25.
As a result, the gap 12 is recessed into the main body case 14 along the guide post 20 from the state shown in the figure.

Further, a substrate 29 is integrally fixed to the side portion of the guide portion 22.

This board 29 protrudes laterally from a notch 30 formed on the side of the main body case 14.

A lock frame 31 is disposed on the upper surface of the protruding end of the substrate 29 so as to be pivotable about a screw 32 as a fulcrum.

A lock pawl 33 is integrally bent and formed at the pivot end of the lock frame 31, and a hole 3 is formed in the side of the main body case 14.
4 protrudes inward from the main body case 14.

Further, a long hole 35 is formed at the other end of the lock frame 31.

A solenoid 36 is attached to the side of the main body case 14 perpendicular to the other end of the lock frame 31, and a solenoid plunger 37 provided at the tip thereof projects onto the elongated hole 35.

By fitting the pin 38 protruding from the solenoid plunger 37 into the elongated hole 35 and inserting the compression coil spring 39 between the pin 38 and the case of the solenoid 36,
The lock frame 31 is constantly pressed, and as a result, the lock claw 33 is inserted into the main body case 14 using the screw 32 as a fulcrum.

Furthermore, by energizing the solenoid 36, the plunger 37 is retracted against the spring pressure of the spring 39, and the lock pawl 33
is pulled out of the main body case 14.

Furthermore, 40.40... is a first rotating member for guard locking that is fitted and stacked on the guide post 20, 41°4
1... are second rotating members for the renter's lock which are fitted to the guide post 20 alternately with these rotating members 40.

As shown in FIG. 6, filigree springs 42, 43 are attached to each of these rotating members 40, 41 in opposite directions.

The tips of the filigree springs 42, 43 abut against the inner surface of the main body case 14, thereby biasing the rotating members 40, 41 in mutually intersecting directions with the guide post 20 as a fulcrum.

The swinging end of each rotating member 40, 41 is connected to the engagement protrusion 23 of the bolt 12.
As a result, the bolt 12 is prevented from sinking into the main body case 14.

An engaging portion 44 that engages with a key inserted into the guard lock 18 is formed on the other end side of the first rotating member 40 .

Further, a locking step 45 is cut out on the side edge of the swinging end of the first rotating member 40 (appears on the left end in FIG. 5), and is opposed to the lock claw 33 of the lock frame 31. , and an engaging recess 46 is formed alongside this locking step 45.

The engagement recesses 46 are formed at two locations or are formed to be longer in the width direction so as to engage with the engagement protrusion 23 at the same time when the guard lock 18 is locked and unlocked.

The second rotating member 41 is rotated by key operation of the renter's lock 19, so that the engagement recesses 47 formed at each swinging end of the second rotating member 41 are aligned with each other and engaged with the retaining protrusion 23. This allows the bolt 12 to be immersed.

To unlock the lock 10 configured as described above, from the state shown in FIG. 33
(see Fig. 6) or by energizing the solenoid 36, the lock frame 31 is rotated, and the lock pawl 33 is separated from the locking step 45 (see Fig. 7). ), the lock can only be unlocked by inserting the key into the renter's lock 19 and operating it.

Furthermore, even if the solenoid 36 is energized at the same time as the key operation of the guard lock 18 is operated, there is no problem with the unlocking operation, and even if the key of the guard lock 18 is removed after unlocking, or the solenoid 36 is deenergized, the renter's lock 19 is activated. There is no problem at all with the relocking operation.

However, when the inner box 6 is not stored, the locking operation cannot be performed at all due to the action of the lock pin 13 described above.

That is, the lock pin 13 is bored through a hole 48 (see the lower left end in FIG. 3) and the case 11 formed in the inner bottom surface of the corner of the main body case 14, and has holes 48 (see the lower left end in FIG. ) as shown in FIG.
0 is inserted, and the tip is always urged in the protruding direction, that is, toward the vault 3 side in FIG.

On the other hand, a pin 51 is provided on the side of the guide portion 22 of the bolt 12.
A pin 51 protrudes from the lower part of the flange portion 49 in the locked state as shown in FIG. 8a.

As shown in the figure in the unlocked state, the bolt 12 is attached to the main case 1.
4, the pin 51 comes off from the flange portion 49, and the lock pin 13 protrudes outward from the case by this clearance.

When locking the bolt 12 anew, the pin 51 and the flange 51 abut against the flange portion 49, as shown in the figure, and the bolt 1 is locked.
Prevent the protrusion of 2.

However, when the end surface of the inner box 6 presses the protruding end of the lock pin 13, the lock pin 13 is retracted.

In other words, the locking becomes possible only when the inner box 6 is housed in the safe.

As explained above, in the lock structure of the safe deposit box according to this invention, the above-mentioned structure allows the lock to be opened by either mechanical lock operation or electrical remote control.
This eliminates the need for an attendant to go to the place where the vault unit is located and attend to each customer, eliminating inconveniences in customer reception, while also allowing the attendant to attend as needed, making it possible to diversify the reception.

For example, even if it is necessary to store the inner box, close the door, lock it, and then open it again, as long as the solenoid remains energized, the lock can be opened with just the user's key, so the installer, such as a bank, can This saves the effort of reopening the door when it is accidentally closed, and is particularly effective in saving labor when several people use the safe deposit box at the same time.

In addition, with this invention, the safe door cannot be locked if the customer leaves the inner box unattended after taking it out.
Moreover, since it is possible to make the customer aware of this fact, it is possible to further simplify the process.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing the overall structure of the safe deposit box unit and the inner box, Fig. 2 is a horizontal sectional view of one safe room in the above safe deposit box unit, and Fig. 3 is a perspective view of this device attached to the safe door. FIG. 4 is a front sectional view of such a lock, FIG. 4 is a side view thereof, FIG. 5 is a front sectional view showing the state in which the rotating member is attached, FIG. The figure is a front sectional view showing the state in which the solenoid is energized, Figure 8a,
1) is a perspective view showing the positional relationship between the lock pin and the bolt. 3...Vault, 5...Metal layer, 6...
...Inner box, 10...Tablets, 11...
Case, 12... Bolt, 13... Lock pin, 14... Body case, 18...
Guard lock, 19... Renters lock, 2
3... Engaging protrusion, 31... Lock frame, 33... Lock claw (claw portion), 36...
...Solenoid, 40...First rotating member,
41...Second rotating member.

Claims (1)

[Scope of utility model registration request] In a safe deposit box that houses an inner box that can be taken in and taken out freely, and has a safe door with a lock attached to the opening so that it can be opened and closed, the lock protrudes from the case and the outside of the case to prevent the door from being opened. In addition, there is a bolt that appears inside the case in conjunction with the key operation of the renter's lock, a guard lock that prevents the unlocking operation of the renter's lock, and a guard lock that is located inside the case and is connected to the key operation of this guard lock. First thing to do
and a second rotating member linked to the key operation of the renter's lock, and the first rotating member allows the bolt to be retracted in the locked and unlocked positions of the guard lock. In addition, a claw provided at the tip of a lock frame disposed adjacent to the bolt is brought into contact with the locking position of the first rotating member to prevent the bolt from retracting, and the bolt is locked. The frame is connected to a solenoid, and the claw portion is moved away from the locking position of the first rotating member by driving the solenoid, and further, within the case, the claw portion is placed in contact with the end face of the inner box stored in the safe deposit box. attached and energized,
In addition, by opening the door with the bolt recessed into the case when unlocking, a lock pin is arranged that protrudes outside the case, and this lock pin is brought into contact with the bolt to lock the bolt in the unlocked position. The structure of the lock in a safe deposit box.