JP2696408B2 - Unlocking device, double lock using the same, and positioning device for permanent magnet in key box - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an unlocking device capable of safely and securely managing and using a plurality of safe deposit boxes installed in a safe deposit box of a bank or the like. And a positioning device for a permanent magnet in a key box used therefor.

[Conventional technology]

Conventionally, a safety deposit box installed in a bank or the like is a safety deposit box provided with a specific entrance and a number of safety deposit boxes based on a contract for individual use with a customer are stacked and arranged. A double lock is used in which a customer lock that can be unlocked by a key that each customer individually possesses and a bank lock that is unlocked by a key managed by a person in charge of a bank are stacked.

However, such a double lock requires extremely painful cooperation and troublesome procedures between the customer and the bank, and furthermore, the bank needs a person in charge of a safe deposit box at all times, which is Was a heavy labor burden.

Therefore, in order to solve these problems, there is a type in which a double lock having the following configuration is provided for each safety box as shown in FIG. That is, the keyhole of the customer lock as a bank lock (118)
The body comprises a sliding member (102) that is shielded when locked and exposed when unlocked, and a magnet pin (301) that locks the sliding operation by engaging with the sliding member (102). An unlocking device is installed on the door (100). The unlocking mechanism of this device opposes the position of the magnet pin (301) having a different magnetic property and the different position for each safe box and pushes the pin (301) by the repulsive force of the magnetic force to slide the sliding member (102). This is performed by inserting a magnetized magnetic card (302) into the apparatus main body to release the engagement with the main body.

According to such a method, the magnetic characteristics are encoded on the magnetic card such that the magnet pins are pushed in, based on the magnet pin positions and the magnetic characteristic information that are predetermined each time the safe deposit box is used. If the information on the magnetic properties of the card is given to the entry and exit readers that send an open signal to the automatic door at the entrance of the safe deposit box, it is not necessary for the person in charge of the bank to accompany the staff, and security is further improved. Will be kept.

[Problems to be solved by the invention]

However, in such a safety box unlocking system,
Each time a magnetic card is used as described above, a predetermined polarity is magnetized at a predetermined position on the card.However, because the magnetic force is small, the unlocking device is also affected by an external magnetic force. However, there has been a problem that a malfunction occurs. In addition, the card has the disadvantage that it is also vulnerable to mechanical shock.

[Means for solving the problem]

In view of the above, as a result of various studies, the present invention has developed an unlocking device which has solved such problems, a double lock using the unlocking device, and a device for positioning a permanent magnet in a key box.

That is, the unlocking device of the present invention is provided with a shutter that slidably divides a plurality of holes formed in the width direction into two chambers in the width direction in a longitudinal direction, and further stores the shutter in one of the chambers partitioned by the shutter. And a key box in which a permanent magnet having a counter electrode in the width direction is sealed in all the holes, a concave hole and a sliding member for inserting the key box, and near the concave hole when the key box is inserted. A lock pin made of a ferromagnetic material, which locks the sliding member by engaging with the sliding member, is slidably provided at a position corresponding to a predetermined hole position of the key box. And a sliding member housing body having a built-in lock pin holding magnet that engages with a lock box. A key box in which a permanent magnet at a predetermined position is housed in a chamber on the lock pin side is inserted into a concave hole of the housing body and these permanent magnets are inserted. Lock pin at the position corresponding to It is characterized in that to release the engagement of the pins and the sliding member by moving a large suction force than the suction force of the lifting magnet.

Further, the double lock of the present invention is provided with a shutter slidably extending in the longitudinal direction, which divides each of the plurality of holes formed in the width direction into two chambers in the width direction, and further accommodates the shutter in one of the chambers partitioned by the shutter. A key box in which a permanent magnet having a counter electrode in the width direction is enclosed in all holes, a concave hole into which the key box is inserted, and a slide in which one end shields the key hole of the cylinder lock when slid outward. A key hole of the cylinder lock by engaging the sliding member at a position near the concave hole and corresponding to a predetermined hole position of the key box when the key box is inserted. A lock member made of a ferromagnetic material that locks at a shielding position is slidably provided, and further includes a slide member storage main body containing a lock pin holding magnet for engaging these pins and the slide member. Lock permanent magnet The lock box at the position corresponding to these permanent magnets is moved with a larger attractive force than the holding magnet by inserting the key box housed in the chamber on the Is released to expose the keyhole of the cylinder lock.

And in any of the above inventions, one end of the shutter provided inside the key box is locked to the key box body via an elastic body,
When a magnet is attached to the other end and the magnet approaches the outside of the other end, the shutter is slid against the elastic body to communicate each chamber of each hole, and when the magnet is separated. The shutter is moved by the elastic body to make each hole 2
This is the configuration that partitions the room.

Further, in the positioning device for a permanent magnet in a key box according to the present invention, a shutter for dividing each of a plurality of holes formed in the width direction into two chambers in the width direction is locked at one end thereof to the key box body via an elastic body. A ferromagnetic material is attached to the other end and slidably provided in the longitudinal direction, and a permanent magnet housed in one of the chambers partitioned by the shutter and having a counter electrode in the width direction is sealed in all the holes. A magnet for moving the shutter that slides the shutter by attracting the ferromagnetic material from the outside against the elastic force of the elastic body of the key box, and by attracting the permanent magnet from the outside in the key box width direction A permanent magnet moving magnet for moving the permanent magnet to either side, and sliding the shutter by approaching the shutter moving magnet to move each of the chambers of each perforated hole. The magnets approach the perforated hole at a predetermined position from the outside of one surface side, and the magnets approach the perforated holes of the other magnet from the outside of the other surface, and the permanent magnets approach each surface side. In this state, the shutter moving magnet is moved away from the shutter, the shutter is returned by the restoring force of the elastic body, and the permanent magnet in the perforated hole at a predetermined position is housed in one chamber.

(Operation and Example)

 The present invention will be described with reference to examples.

FIGS. 1 (a), 1 (b) and 1 (c) show a key box used in the unlocking device of the present invention, which operates similarly to a conventional magnetic card, but has the following structure. Is completely different.

That is, a plurality of perforated holes (8) are provided in the width direction at predetermined positions of the thin rectangular parallelepiped key box (1) main body, and have a length substantially half the length of the perforated holes (8). Each of the columnar permanent magnets (5) having counter electrodes formed in the same direction in the width direction was housed in each perforated hole (8). Then, these perforated holes (8) are simultaneously partitioned into two chambers in the width direction to form a permanent magnet (5).
A slide shutter (3) for accommodating in one of the chambers is provided at the center in the width direction of the drilled hole (8) so as to be slidable in the longitudinal direction. That is, the shutter (3) is provided with a hole formed by attaching the other spring hook (9) of the return spring (6) having one spring hook (9) to the support (7) in the main body at one end thereof. (8) was provided so as to be always partitioned, and an actuator (4) made of a ferromagnetic material and slidable in the longitudinal direction of the key box (1) was attached to the other end. In order to prevent these permanent magnets (5) from dropping out of the perforated hole (8), the upper and lower surfaces in the width direction of the main body and the longitudinal front surface provided with the actuator (4) are made of a strong nonmagnetic material. Covered with a protective cover (2). In the figure, D is a key code hole for identifying a plurality of key boxes (1), which are identified by blocking or opening these holes. A is a key groove for identifying both sides in the width direction of the key box (1), and C is a hook groove for facilitating handling of the key box (1).

On the other hand, the double lock which is unlocked by using the key box (1) is provided in the sliding member storage main body (101) in FIGS.
A concave hole (104) for inserting the key box (1) as shown in
Usually, one end covers the keyhole (118) of the cylinder lock attached to the door (100) of each safe box, and when unlocked, slide this end to the main body (101) side. The sliding member (1) exposing this keyhole (118)
02). The sliding member (102) can be easily slid by pinching the slide knob (103) with a finger.

And the concave hole (104) in the main body (101) and the sliding member (10
When the key box (1) is inserted into the concave hole (104), the hole (8) is formed at the same position as the plane position of the hole (8) of the key box (1). Lock pin hole (11)
9) A lock pin case (111) having a perforated hole is provided, and the sliding member (102) is shielded from the keyhole (118) at the position of the sliding member (102) at the same position as the pin hole (119). Through hole (12
0). A lock pin (112) for locking the slide of the sliding member (102) by simultaneously engaging the pin holes (119) and the corresponding through holes (120).
Was stored in a predetermined pin hole (119). In addition, the body (101)
The permanent magnet (5) is located at the same position as the pin hole (119) in the magnet case (113) below the sliding member (102).
A lock pin holding magnet (114) with a smaller magnet is built in. A rare earth magnet is suitable as such a permanent magnet (5) having a large magnetic force, and a normal fenlite magnet may be used as the lock pin holding magnet (114).

In this case, the lock pin holding magnet (114) is
When the lock member (112) is not inserted, the slide member (102) is locked by sucking the lock pin (112) and always engaging the pin (112) with the slide member (102). Things.

When the key box (1) is inserted into the concave hole (104), the permanent magnet (5) in the perforated hole (8) at the same position as the pin hole (119) having the lock pin (112) is shown in FIG. Of the two chambers separated by the shutter (3) as shown in (e), the chamber closer to the lock pin (112) (the surface of the key box on the side of this chamber is hereinafter referred to as the working surface, and this working surface is The key groove (A) provided on the side surface of the key box (1) and the key (121) in the concave hole (104) are always set in a constant direction in the concave hole (104). Only when there is a certain force, the force for attracting the corresponding pin (112) of the permanent magnet (5) exceeds the attraction force of the lock pin holding magnet (114) and pulls the lock pin (112) toward the key box (1), The engagement between the pin and the sliding member is released. Since the magnetic force is generally inversely proportional to the square of the distance, the selection range of the relative magnetic force between the permanent magnet (5) and the lock pin holding magnet (114) used as described above is considerably large. It is wide and therefore the magnet can be easily selected. Furthermore, when the permanent magnet (5) is on the working surface side, the lock pin (11
2) When the lock pin (112) is on the opposite side of the working surface, the lock pin holding magnet (114) wins, even if the lock pin (112) is in the corresponding pin hole (119), so the lock pin (1
12) has the advantage that it is not attracted to the permanent magnet (5), so that a malfunction hardly occurs.

Insert the key box (1) into the recessed hole (1
When the sliding member (102) is slid to the main body side by inserting the sliding member (102) into the concave hole (10) as shown in FIG.
4) The key lock lever (115) pressed down by the lock lever spring (116) around the lock lever shaft (117) fixed between the sliding member (102) is moved to the sliding member (102). ) Is pushed up by one end on the body (101) side to engage with a detent lock hole (B) provided at the edge of the working surface of the key box (1), thereby to make the key box (1) into the concave hole (104). ) Is locked so as not to fall out. Therefore, during use of the double lock, the key box (1) is
1) It is always stored inside, so there is no danger of loss.

Further, the lock pins (112) are not stored in all the pin holes (119). For example, different positions and numbers of the double locks of a plurality of safe boxes in the safe room are respectively corresponding to the double locks. I will keep it. By doing so, each double lock is individually specified by the position and the number of pins, and accordingly, the permanent magnet (5) in the key box (1) perforated hole (8) at the corresponding position is set. By storing the key box (1) in a room on the working surface side in advance, the key box (1) functions as a bank lock of a safe deposit box.

In order to fix the sliding member storage main body (101) of the double lock to a door (100) of a safe box or the like, first, as shown in FIG. The metal fitting (106) and the mounting metal (107) are fixed to the door (100), and the mounting plate (105) at the lower part of the storage main body (101) is engaged with the mounting hook metal (106). 1
01) The storage body (101) is fixed to the mounting bracket (107) from one side using mounting screws (109). Further, the mounting screw (109) is covered with a screw mask (110) so as not to be exposed to the outside.

As described above, among the permanent magnets (5) in the perforated holes (8) of the key box (1), the position of the permanent magnet (5) to be housed in the chamber on the working surface side is determined by the following positioning device. I do.

That is, as shown in FIG. 3, the key box (1) is set in a predetermined cylinder case (202), and a slide magnet (201) is brought close to the tip of the key box (1) from the outside, so that the internal actuator ( 4) is sucked, and the slide shutter (3) is moved so that the permanent magnet (5) can move freely in each of the perforated holes (8) except for partitions of all the perforated holes (8). In this state, in order to move all the permanent magnets (5) in the perforated holes (8) corresponding to the positions of the lock pins (112) in the double lock to be unlocked in this state, the key box ( The external magnet (204) is approached to the position of the perforated hole (8) from the working surface side of 1), and the external magnet (204) is placed at the other position of the perforated hole (8) from the side opposite to the working surface. To move the permanent magnet (5) to each side.
The positioning operation of the permanent magnet (5) by the external magnet (204) is performed by the sliding member (2) to which the external magnet (204) is fixed.
03) is connected to a driving wire (205), and is automatically performed by applying a predetermined positioning signal to a driving device (not shown).

Thereafter, by moving the slide magnet (201) away from the key box (1), the slide shutter (3) is returned to the original position by the restoring force of the return spring (6). As a result, the permanent magnet (5) in the perforated hole (8) of the key box (1) at the position corresponding to the position of the lock pin (112) unique to the double lock for unlocking the double lock is All are stored in the chamber on the working surface side.

An example in which the above-described unlocking system is applied to each safe box in a safe room on the bank side will be described.

First, when a customer enters a safe deposit box, the entrance door is automatically opened for a certain period of time by directly inputting the customer's authentication number into the entry reader of the entrance door. Next, the key box (1) set in the exit reader in the safety deposit box is removed and set in the positioning device, and the customer's authentication number is input to the device. The information relating to the position of the lock pin (112) as the bank lock of the double lock of the safe box of the customer stored in the positioning device in advance is called by the customer-specific number. First, each permanent magnet (5) in the key box (1) is housed in one of the chambers in the perforated hole (8).

Then, when this key box (1) is inserted into the double lock of the safe box where the customer has contracted, the lock pin is attracted by the permanent magnet (5) in the key box (1) and the key box (1) Side, and the engagement with the sliding member is released, so that the sliding member blocking the keyhole of the cylinder lock owned by the customer can be slid to expose the keyhole. You can open the door of the trout. After using the safe box, the door is closed, the cylinder lock is locked, the keyhole of the cylinder lock is shielded with a sliding member, and the key box (1) is withdrawn.
Since the lock pin is attracted by the lock pin holding magnet and moves in the pin hole to engage with the sliding member, the double lock is locked again. Thereafter, the customer sets the key box (1) on the exit reader, so that the entrance door of the safe box is automatically opened for a certain period of time.

〔The invention's effect〕

As described above, according to the present invention, the key box used in the unlocking device securely fixes the permanent magnet mechanically, so that it does not malfunction as in a conventional magnetic card, and is not affected by external magnetism. Is more stable, has a more robust structure than magnetic cards, and has high durability against external forces. In addition, the unlocking operation by this key box is smooth and quick, and furthermore, by changing the storage position and the number of lock pins, for example, a large number of safe boxes can be installed in one safe box. It becomes possible. Further, according to the permanent magnet positioning device in the key box, there is an effect that the permanent magnet can be reliably and quickly positioned.

[Brief description of the drawings]

1A to 1C show a key box of the present invention, wherein FIG. 1A is a plan view, FIG. 1B is a sectional view taken along line YY 'of FIG.
(C) is a sectional view taken along the line XX 'of (A), FIGS. 2 (A) to (E) show the main body of the sliding member of the double lock of the present invention, (A) is a plan view, (B) Is a side view, (c) is a front view,
(D) is a cross-sectional view taken along line TT 'in (a), and (e) is SS' in (a).
FIG. 3 is a side sectional view showing a permanent magnet positioning device in a key box according to the present invention, and FIG. 4 is a sectional view showing a conventional example of a double lock. DESCRIPTION OF SYMBOLS 1 ... Key box 2 ... Protect cover 3 ... Slide shutter 4 ... Actuator 5 ... Permanent magnet 6 ... Return spring 7 ... Post 8 ... Drilled hole 9 ... Spring hook 100 ... Door 101 ... … Sliding member storage body 102… Sliding member 103… Slide knob 104… Recessed hole 105… Mounting plate 106… Mounting hook fitting 107… Mounting fitting 108… Mounting screw 109… Mounting screw 110 ...... Screw mask 111 Lock pin case 112 Lock pin 113 Magnet case 114 Lock pin holding magnet 115 Lock lock lever 116 Lock lever spring 117 Lock lever shaft 118 Lock cylinder keyhole 119: Lock pin hole 120: Through hole 121: Key 201: Slide magnet 202: Cylinder case 203: Slide body 204: External magnet 205: Drive wire 301: Magne Topin 302 ...... magnetic card A ...... keyway B ...... detent lock hole C ...... hook groove D ...... key code hole

Claims (5)

(57) [Claims] 1. A shutter for partitioning a plurality of holes formed in the width direction into two chambers in the width direction so as to be slidable in the longitudinal direction. A key box in which a permanent magnet having a counter electrode is sealed in all the holes, a concave hole and a sliding member for inserting the key box, and the key box is inserted near the concave hole when the key box is inserted. At the position corresponding to the predetermined hole position, a lock pin made of a ferromagnetic material that locks the sliding member by engaging with the sliding member is slidably provided, and furthermore, these pins are engaged with the sliding member. A lock member holding a built-in lock pin holding magnet, and a key box in which a permanent magnet at a predetermined position is stored in a chamber on the lock pin side is inserted into a concave hole of the storage body, and a position corresponding to these permanent magnets is inserted. Holding the lock pin of the magnet Unlocking device, characterized in that to release the engagement between the pins and the sliding member by moving a large suction force than the force. 2. A shutter provided inside a key box, one end of which is locked to the key box body via an elastic body, and a ferromagnetic substance is attached to the other end, and a magnet is provided outside the other end. A shutter is slid against an elastic body when approached to communicate each chamber of each hole, and when the magnet is released, the shutter is moved by the elastic body to partition each hole into two chambers. The unlocking device as described in the above. 3. A shutter which slidably divides a plurality of holes formed in the width direction into two chambers in the width direction is slidably provided in the longitudinal direction. A key box in which a permanent magnet having a counter electrode is sealed in all the holes, a concave hole into which the key box is inserted, and a sliding member having one end shielding the key hole of the cylinder lock when slid outward. A position close to the concave hole and corresponding to a predetermined hole position of the key box when the key box is inserted, the sliding member is engaged with the sliding member so as to cover the key hole of the cylinder lock. A lock member made of a ferromagnetic material to be locked is slidably provided, and a sliding member housing body incorporating a lock pin holding magnet for engaging these pins and the sliding member is provided, and a permanent magnet at a predetermined position is locked. Pin side room By inserting the stored key box into the recessed hole of the storage main body and moving the lock pin at a position corresponding to these permanent magnets with an attractive force larger than the attractive force of the holding magnet, the engagement state between these pins and the sliding member is changed. A double lock, which is released to expose the keyhole of the cylinder lock. 4. One end of a shutter provided inside the key box is locked to the key box body via an elastic body, and a ferromagnetic material is attached to the other end, and a magnet is provided outside the other end. The shutter is slid against the elastic body when approached to communicate each chamber of each hole, and when the magnet is released, the shutter is moved by the elastic body to partition each hole into two chambers. The unlocking device as described in the above. 5. A shutter for partitioning a plurality of holes formed in the width direction into two chambers in the width direction, one end of which is locked to the key box body via an elastic body, and the other end is ferromagnetic. The elastic body of a key box in which a permanent magnet having a body attached thereto and slidably provided in a longitudinal direction, and housed in one of the chambers partitioned by the shutter and having a counter electrode in the width direction is enclosed in all holes. A shutter moving magnet that slides the shutter by attracting the ferromagnetic material from the outside against the force, and a permanent magnet that is attracted to the either side by attracting the permanent magnet from the outside in the key box width direction. A permanent magnet moving magnet to be moved, and a shutter moving magnet is approached to slide the shutter so that the respective chambers of the perforated holes are communicated with each other so that one of the perforated holes is communicated with the perforated hole at a predetermined position. With the magnet approaching from the outside on the surface side, approaching the magnet from the outside of the other surface to the drilled holes at other positions, and moving the permanent magnet to the respective surface side with the permanent magnet moved to the respective surface side, keep the magnet for shutter movement away. A permanent magnet in a perforated hole at a predetermined position is housed in one of the chambers by returning the shutter by the restoring force of the elastic body.