JPH0240204Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) This invention consists of a combination of a solenoid lock that is unlocked by an electric signal and a lock that is unlocked by a key, and is used in the event of a power outage when the solenoid lock cannot be unlocked. The present invention also relates to a composite door locking device with an emergency release mechanism that can unlock the door.

(Prior Art) For example, in a bank safe deposit box that uses a composite locking device, the bank manager confirms the identity of the safe deposit box user and then locks the lock installed in the safe deposit box designated by the user. The customer is given the key for the safe deposit box, and the switch on the control panel is turned on to energize the solenoid of the solenoid lock of the safe deposit box, thereby releasing the lock from the solenoid lock.

Therefore, when a user comes to his or her safe deposit box and inserts the key into the lock's rotor and turns it in a predetermined direction,
The door to the safe deposit box body is unlocked, and the door can be opened.

(Problem that the invention aims to solve) However, in a complex locking device that uses a solenoid lock to control and restrict the operation of the lock that locks the door to the safe deposit box, the solenoid lock may be locked due to a power outage or failure of the solenoid lock. When the door cannot be unlocked, the door cannot be opened even if the user has the key to the lock.

Therefore, the purpose of this invention is that even if the solenoid lock cannot be electrically unlocked due to a power outage, the emergency key can be used to easily release the solenoid lock from operating the lock, and the regular key can be used to immediately unlock the lock. To provide a composite lock device for a door with an emergency opening mechanism that can be unlocked.

(Means for Solving the Problems) As explained below using the reference numerals in the attached drawings, the composite door locking device with an emergency opening mechanism of the present invention is as follows:
A case 2 fixed to the door 1; a dead bolt 6 whose tip engages with a receiving part 39 provided on the fixed frame 16 to lock the door 1 to the fixed frame 16; and a lock body 22. A lock 17 is fixed to the case 2 and has a keyhole 23 formed elongately on the diameter of the rotor 18 and arranged vertically in the locking position; a key thread 19 provided on one side edge to be inserted into the keyhole 23 of the rotor 18; An emergency plate key 20a is inserted into the key hole 23 of the rotor 18 and unlocks the rotor 18 to the lock body 22 with a key thread 19 provided on one side edge. Ordinary plate key 2 to solve
0b; a cam plate 27 fixed to the rear end of the rotor 18 and disposed in a relief hole 37 at the base end of the dead bolt 6; a solenoid lock 31 fixed to the case 2; A distal end portion 34a is pivotally attached to the case 2, the proximal end is pivotally connected to the plunger 33 of the solenoid 32 via a pivot 46, and the distal end portion 34a engages with the locking portion 36 of the dead bolt 6 to prevent the dead bolt 6 from retreating. , a dead bolt lock lever 34 that separates from the locking portion 36 when the solenoid 32 is energized; a spring 45 that biases the dead bolt lock lever 34 to rotate toward the dead bolt 6; and a spring 45 that is attached to the rear end of the rotor 18 so as to be freely rotatable. a floating plate 29; an operating protrusion 30 protruding from the floating plate 29;
It consists of

Two stopper pins 24 are provided on the inner peripheral surface of the shaft hole 25 of the lock body 22 of the lock 17 at symmetrical positions with respect to the longitudinal center line of the keyhole 23 of the rotor 18.
a and 24b are provided in a protruding manner with their positions shifted in the axial direction.
The outer peripheral surface of the rotor 18 of the lock 17 has an escape groove 2 into which the tip of the left stopper pin 24a is inserted.
6a and an escape groove 26b into which the tip of the right stopper pin 24b is inserted are provided in the circumferential direction.

The emergency key 20a has a keyhole 2 of the rotor 18.
A notch 21a through which a left-side stopper pin 24a passes when the rotor 18 is rotated clockwise from a locked position in which the lock 3 is vertically arranged is provided on the side edge opposite to the key thread 19.

The normal key 20b has a right stopper pin 24b when the rotor 18 is rotated counterclockwise from the locked position where the keyhole 23 is arranged vertically.
A notch 21b through which the lock passes is provided on the side edge opposite to the key thread 19.

The cam plate 27 is provided with a cam protrusion 28 on its outer circumferential surface that engages and disengages from a pair of left and right cam surfaces 38a and 38b on the inner edge of the relief groove 37, and the key hole 23 is provided in the locking position where the key hole 23 is vertically arranged. When the rotor 18 is rotated counterclockwise by the normal key 20b, the right cam surface 38b is pushed by the cam protrusion 28 and the dead bolt 6 is retreated in the unlocking direction, while the keyhole 23 is horizontally elongated. When the rotor 18 is rotated clockwise by the normal key 20b from the unlocked position located in the lock position, the left cam surface 38a is pushed by the cam protrusion 28 to move the dead bolt 6 forward in the locking direction.

Furthermore, when the rotor 18 is rotated clockwise with the emergency key 20a from the locked position in which the keyhole 23 is arranged vertically in the cam plate 27, the floating plate 29 is pushed and rotated clockwise. When the rotor 18 is rotated counterclockwise with the normal key 20b from the locked position where the first operation pin 40 and the keyhole 23 are arranged vertically, the floating plate 29 is pushed and rotated counterclockwise. A second operating pin 42 is provided to protrude.

The solenoid lock 31 is provided with a solenoid 32 that is demagnetized when the rotor 18 is rotated counterclockwise with the normal key 20b from the locked position where the key hole 23 is arranged vertically.

The actuating protrusion 30 is the emergency key 20a described above.
When the floating plate 29 rotates clockwise, the dead bolt lock lever 34 is pushed up and the tip 3 is rotated.
4a is disengaged from the locking portion 36 of the dead bolt 6, and at the end of the rotation, the dead bolt lock lever 34 is engaged with the side receiving groove 41, while the normal key 20b rotates the floating plate 29 counterclockwise. It is provided so as to be disengaged from the receiving groove 41 when rotated in the direction.

(Function) When this composite locking device is used in a safe deposit box of a bank, if the power source for driving the solenoid lock 31 is working normally, the person responsible for managing the solenoid lock 31 first energizes the solenoid 32 of the solenoid lock 31. do. When the solenoid 32 is energized by this energization, the plunger 33 is attracted, so the dead bolt lock lever 34 pulled by the plunger 33 rotates clockwise about the pivot 35. This rotation causes the dead bolt lock lever 34 to rotate at the tip end 34 as shown in FIG.
a is released from the locking part 36 of the dead bolt 6,
Since the locking portion 36 is held at a position that does not prevent the locking portion 36 from moving backward, the lock 17 that is interlocked with the dead bolt 6 is released from being restrained from moving backward.

Here, the safe deposit box user inserts the regular key 20b into the lock 1.
When the normal key 20b is inserted into the keyhole 23 of the rotor 18 of No. 7 and turned counterclockwise from the locked position where the keyhole 23 is arranged vertically, the stopper pin 24b
passes through the notch 21b, the rotor 18
0b in the counterclockwise direction, and the dead bolt 6 is pushed back by the cam surface 38b by the cam protrusion 28 of the cam plate 27 rotating in the counterclockwise direction. As a result, the tip of the dead bolt 6 separates from the fixed frame 16, that is, the receiving portion 39 of the safe body, so that the door 1 is unlocked and can be opened. When the normal key 20b is slightly turned clockwise, the side edge of the key 20b comes into contact with the left stopper pin 24a, so that the clockwise rotation of the rotor 18 is immediately stopped.

On the other hand, if the solenoid lock 31 cannot be unlocked for some reason during a power outage, the person in charge of managing the safe deposit box or the user inserts the emergency key 20a into the keyhole 23 of the rotor 18 and locks the solenoid lock 31. When the emergency key 20a is turned clockwise from the locked position where
, the rotor 18 is rotated in a clockwise direction together with the key 20a. In addition, emergency key 2
When turned counterclockwise from 0a, the emergency key 20a
Since the side edge of the rotor 18 contacts the right stopper pin 24b, the rotation of the rotor 18 in the counterclockwise direction is immediately stopped.

As the rotor 18 rotates in the clockwise direction, the first operating pin 40 of the cam plate 27 pushes the floating plate 29, so the floating plate 29 rotates clockwise and the operating protrusion 30 moves to the deadlock lever. Push up 34. At the end of this clockwise rotation, the actuating protrusion 30 engages with the receiving groove 41 of the lock lever 34 as shown in FIG. 10, so the dead bolt lock lever 24 releases the backward restraint of the dead bolt 6. held in position.

The key hole 23 of the rotor 18 can be opened from the diagonally disposed backward restraint release position to the emergency key 20a.
When the cam plate 2 is rotated counterclockwise and returned to the locked position where the keyhole 23 is arranged vertically, the cam plate 2
7 also rotates counterclockwise together with the rotor 18, but there is play between the floating plate 29 and the second operating pin 42, and in the process of rotation, the floating plate 29 is rotated by the second operating pin 42. Since the floating plate 29 is not pushed, the floating plate 29 is held at the above rotational position, and the actuating protrusion 30 of the floating plate 29 remains in the position where it engages with the receiving groove 41.

At the locked position where the keyhole 23 is arranged vertically, remove the emergency key 20a from the keyhole 23 of the rotor 18, insert the normal key 20b into the keyhole 23, and turn the normal key 20b counterclockwise. When turned, the rotor 18 and the cam plate 27 rotate counterclockwise, and the cam protrusion 28 pushes the right cam surface 38b, thereby driving the dead bolt 6 backward to the unlocked position.

When the rotor 18 rotates in the counterclockwise direction, the second operation pin 42 of the cam plate 27 pushes the floating plate 29, and the floating plate 27 rotates in the counterclockwise direction, so that the operating protrusion 30 of the floating plate 29 It escapes from the receiving groove 41 of the dead bolt lock lever. Therefore,
Due to the bias of the spring 45, the dead bolt lock lever 34 rotates counterclockwise around the pivot 35, and comes into contact with the dead bolt 6, as in the case of normal use with the solenoid 32 demagnetized, and the tip end 3
4a enters a standby state in which it re-engages with the locking portion 36.

(Embodiment) In the illustrated embodiment, a known pin tumbler locking mechanism is used as a locking mechanism for locking the rotor 18 of the lock 22 to the lock body 22. The tip of the dead bolt 6 protrudes and retracts from the opening 8 on the left side of the case 2, and engages and disengages with the receiving part 39 on the fixed frame 16 side.
The relief groove 37 provided at the base end of the dead bolt 6 is
It is formed as a horizontally elongated elliptical hole with a cutout at the center of the lower edge, and cam surfaces 38a and 38b are provided on both left and right edges of the cutout.

When the dead bolt 6 slides backward to the unlocked position, the micro switch 44 is operated by a part of the dead bolt 6, and the power to the solenoid lock 31 is cut off. As the solenoid 32 is demagnetized,
The dead bolt lock lever 34 rotates counterclockwise around the pivot 35 by the bias of a coiled spring 45, and the tip of the dead bolt lock lever 34 comes into contact with the side protrusion 43 of the dead bolt 6. is retained. This biasing spring 45 is
It is fitted into a pivot shaft 35 fixed to. When the dead bolt 6 moves forward to the locked position, the tip of the dead bolt lock lever 34 slides along the side protrusion 43 of the dead bolt 6, and then the locking portion 36
fall into and engage with.

In the drawings, reference numbers 4 and 5 indicate the pivot pins fixed to the case 2, and reference number 7 indicates the pivot pins 4 and 5.
5, reference numeral 10 indicates an opening from which the tip 7b of the trigger bolt 7 projects, reference numeral 11 indicates a pin fixed to the case 2, and reference numeral 12 indicates an opening from which the tip 7b of the trigger bolt 7 projects. The biasing spring supported by the pin 11 is shown, reference numeral 14 shows the insertion hole of the spring end 12b, and reference numeral 15 shows the locking part to which the base end 7c of the trigger bolt 7 is engaged. Reference numeral 16a designates a drive unit that pushes the protruding end of the trigger bolt 7 when the door 1 is closed, and the drive unit 16a is fixed to the side surface of the fixed frame 16. The trigger bolt 7 prevents the dead bolt 6 from advancing to the locked position unless the door 1 is in the fully closed position, but the trigger bolt's idle activation prevention mechanism is not an essential component of the present invention; This is merely an additional feature provided to the composite lock device of this embodiment.

(Effect of the invention) In the door complex lock device of the present invention configured as described above, during normal use, by first electrically operating the solenoid lock 31,
By releasing the backward restraint of the dead bolt 6 and the operational restraint of the lock 17 by the solenoid lock 31, and then inserting the normal key 20b into the keyhole 23 of the rotor 18 of the lock 17 and rotating it counterclockwise. Then,
The dead bolt 6 is moved back to the unlocked position, but if the solenoid lock 31 cannot be electrically unlocked due to a power outage, etc., the emergency key 20a is first inserted into the keyhole 23 and rotated clockwise. By doing so, it is possible to accurately release the backward restraint of the dead bolt 6 and the operational restraint of the lock 17 by the solenoid lock 31, and then return the emergency key 20a to the locked position where the key hole 23 is arranged vertically. Then, by inserting the normal key 20b into the keyhole 23 and turning it counterclockwise, the dead bolt 6 is driven backward to the unlocked position, and the door 1 is opened in an emergency manner. Therefore, this composite lock device can be used with high reliability in the field of bank safe deposit boxes and the like, without any concern about inoperability in the event of a power outage.

[Brief explanation of the drawing]

The drawings show a composite locking device with an emergency release mechanism according to an embodiment of the present invention, and FIG. 1 shows the composite locking device when the door is unlocked from the fixed frame by retracting the dead bolt to the unlocked position. is a cross-sectional view of
Fig. 2 is a cross-sectional view of the compound locking device when the door is fully closed and locked against the fixed frame, and Fig. 3 is a cross-sectional view of the compound locking device which is additionally equipped to prevent idle operation. It is a perspective view of the trigger bolt mechanism for. FIG. 4 is a front view of the lock incorporated into the composite lock device, and the fifth
The figure is a sectional view taken along the line A-A' in Fig. 4, Fig. 6 is a left side view of the rotor of the lock, and Fig. 7 is a view of the emergency key used in the compound lock device and the left side of the normal key. It is a front view. Fig. 8 is a longitudinal sectional view of the composite locking device when the dead bolt in the locked position is restrained from retreating by a solenoid lock, and Fig. 9 is a longitudinal sectional view of the compound locking device when the dead bolt in the locked position is restrained from retreating by the solenoid. FIG. 3 is a longitudinal cross-sectional view of the composite locking device. FIG. 10 is a longitudinal cross-sectional view of the composite locking device when the retraction restraint of the dead bolt is released by the emergency key;
FIG. 1 is a longitudinal cross-sectional view of the composite locking device when the dead bolt is retracted to the unlocked position using a regular key. 1... Door, 2... Case, 3... Case side wall plate, 6... Dead bolt, 13... Case back wall plate, 16... Fixed frame, 17... Lock, 18...
Rotor, 19...Key pile, 20a...Emergency key, 2
0b... Normal key, 22... Lock body, 23... Key hole, 24a, 24b... Stopper pin, 25...
...shaft hole, 26a, 26b ... relief groove, 27 ... cam plate, 28 ... cam protrusion, 29 ... floating plate, 30
... Actuation protrusion, 31 ... Solenoid lock, 32 ...
Solenoid, 33... plunger, 34... deadlock lever, 36... locking portion, 37... escape hole, 38a, 38b... cam surface, 40... first operating pin, 41... receiving groove, 42...Second operation pin,
44...Micro switch.

Claims (1)

[Scope of utility model registration request] A case 2 fixed to the door 1; a dead bolt 6 whose tip engages with a receiving part 39 provided on the fixed frame 16 to lock the door 1 to the fixed frame 16; and a lock body 22. A keyhole 23 fixed to the case 2 and elongated on the diameter of the rotor 18 is arranged vertically in the locking position, and the inner peripheral surface of the shaft hole 25 of the lock body 22 has a symmetrical keyhole 23 with respect to the keyhole 23 of the rotor 18. Two stopper pins 24a and 24b are protruded at positions shifted in the axial direction, and the outer peripheral surface of the rotor 18 has an escape groove 26a into which the tip of the left stopper pin 24a is inserted, and a right stopper pin 24b. A lock 17 is provided with an escape groove 26b in the circumferential direction into which the tip of the rotor 18 is inserted; a key thread 19 for unlocking the rotor 18 from the lock body 22 is provided on one side edge, and the keyhole 23 is vertically elongated. An emergency plate-shaped key is provided with a notch 21a on the side edge opposite to the key lock 19 through which the left stopper pin 24a passes when the rotor 18 is rotated clockwise from the locked position located at the lock position. 20a: A key thread 19 for unlocking the rotor 18 from the lock body 22 is provided on one side edge, and when the rotor 18 is rotated counterclockwise from the locked position where the key hole 23 is arranged vertically. , a normal plate-shaped key 20b with a notch 21b through which the right stopper pin 24b passes, provided on the side edge opposite to the key thread 19; relief hole 3
7, a cam protrusion 28 is provided on the outer peripheral surface that engages and disengages from a pair of left and right cam surfaces 38a and 38b on the inner edge of the escape hole 37, and the keyhole 23 is arranged in a vertically long locking position. When the rotor 18 is rotated counterclockwise by the normal key 20b, the right cam surface 38b is pushed by the cam protrusion 28, and the dead bolt 6 is moved back in the unlocking direction.
Normal key 20 from the unlocked position where 3 is arranged horizontally.
a cam plate 27 that pushes the left cam surface 38a with the cam protrusion 28 to advance the dead bolt 6 in the locking direction when the rotor 18 is rotated clockwise by b; A solenoid lock 3 in which the solenoid 32 is demagnetized when the rotor 18 is rotated counterclockwise by the normal key 20b from the locked position where the solenoid 23 is vertically arranged.
1, which is pivotally connected to the case 2 by a pivot 35, whose base end is pivotally connected to the plunger 33 of the solenoid 32 by a pivot 46, and whose tip 34a engages with the locking part 36 of the dead bolt 6. a dead bolt lock lever 34 that prevents the dead bolt 6 from retreating and whose tip 34a separates from the locking portion 36 when the solenoid 32 is energized; a spring 45 that biases the dead bolt lock lever 34 to rotate toward the dead bolt 6; When the rotor 18 is rotated clockwise with the emergency key 20a from the locked position where the rotor 18 is rotatably attached to the rear end of the rotor 18 and the key hole 23 is vertically arranged, the cam plate 27 The rotor 18 is rotated clockwise by being pushed by a first operation pin 40 protruding from the rotor 18, while the rotor 18 is rotated counterclockwise by the normal key 20b from the locked position where the keyhole 23 is arranged vertically. a floating plate 29 that is pushed by a second operating pin 42 protruding from the cam plate 27 and rotates counterclockwise when the cam plate 27 is pressed;
When the floating plate 29 is rotated clockwise by the emergency key 20a, the dead bolt lock lever 34 is pushed up to disengage the tip portion 34a from the locking portion 36 of the dead bolt 6, and the dead bolt lock lever 34 is released from the locking portion 36 of the dead bolt 6 at the end of the rotation. an operating protrusion 30 that engages with the side receiving groove 41 of the bolt lock lever 34, but disengages from the receiving groove 41 when the floating plate 29 is rotated counterclockwise by the normal key 20b; A composite locking device for doors with an emergency release mechanism consisting of: