JP2530481B2 - Electric lock control device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention relates to a control device for an electric lock, and in particular, if necessary, temporarily from a numeric keypad, a card reader or the like for the purpose of crime prevention or management. The electric control function by a signal can be stopped.

[Conventional technology and problems]

Conventionally, an invention such as that disclosed in Japanese Patent Application Laid-Open No. 58-176373 has been proposed as a device for temporarily stopping the input of a personal identification code from a numeric keypad or a card reader for the purpose of crime prevention. .

By the way, in the above-mentioned conventional one, a RAM or a timer circuit for storing the set time is used in order to temporarily disable the unlocking. Therefore, the control circuit becomes expensive and, as a whole, becomes extremely expensive.

[Problems to be solved by the invention]

The present invention does not provide a storage device such as a RAM or a timer, but simply provides a switch value in the electric lock body, and by operating this switch, the electric lock can be temporarily set to the unlockable state. It was made possible. Therefore, the control circuit becomes extremely inexpensive, and it is possible to provide an extremely inexpensive control circuit as a whole.

[Means for solving problems]

The present invention is an electric lock that is adapted to generate a signal to control and lock or unlock an electric lock when a valid code or code is input to a ten-key pad, a card reader, etc., such as a cylinder or thumb turn. A switch is provided near the hub provided in the lock case to rotate or manually operate the locking rod or the locking member to lock or unlock the hub, and the hub is locked or unlocked in the locked or unlocked state. By further rotating in the locking direction and operating the switch, the electric lock cannot be electrically controlled temporarily.

〔Example〕

FIG. 1 shows a basic system of an electric lock according to the present invention. When a code or a code is inputted to a ten-key or a card reader (1), whether or not it is a valid one in a control circuit (2). If it is legitimate, a signal is sent to lock or unlock the electric lock (3).

2 to 3 show the first embodiment of the present invention, in which the electric lock (3) is locked and unlocked by controlling the retreat of the locking rod (5) by the locking member (6). In the known type, the locking member (6) is electrically actuated by a solenoid (9) via an intermediate member (7). It is also operated by rotating the hub (8) with an operating shaft (12) of a manual operating member (not shown) such as a cylinder or thumb turn.

FIG. 2 shows an unlocked state and an opened state, and when the door is closed, the lock rod (5) projects to the state of the chain double-dashed line in FIG. 2 by the action of the trigger (13). In this state, when the hub (8) is rotated counterclockwise by the operation shaft (12) of the manual operation member such as the cylinder or thumb turn, the intermediate member (7) is fixed by the pin (8a) fixed to one end of the hub (8). Is rotated clockwise about an axis (7a).

An engaging hole (7b) is provided at one end of the intermediate member (7), and an engaging pin (6b) fixed to the rear end of the locking member (6) is engaged therewith, Intermediate member like (7)
When is rotated clockwise, the engaging hole (7b) pushes up the engaging pin (6b) of the locking member (6), so that the locking member (6) rotates counterclockwise about the shaft (6a). When it is rotated in the direction shown in FIG. That is, the tip of the locking member (6) engages with the step (5a) of the lock rod (5) to prevent the lock rod (5) from retracting.

Next, in order to unlock, if the hub (8) is rotated in the opposite direction to the above, the engagement between the tip end of the locking member (6) and the locking rod (5) is released. The rod (5) is retracted by turning a handle or the like.

The operation member (9b) is fixed to the tip of the plunger (9a) by a solenoid (9).
The pin (9c) fixed to b) is engaged with the engaging hole (7c) provided at the rear end of the intermediate member (7), and the plunger (9a) is retracted and retracted to move the intermediate member (7c). The locking member (6) is rotated by rotating 7) to lock or unlock as described above.

Then, in order to electrically lock, when the door is unlocked from the unlocked / opened state shown in FIG. 2, the locking rod (5) projects to the two-dot chain point state shown in FIG. When the solenoid (9) is energized in this state, the plunger (9a) projects to rotate the intermediate member (7) clockwise, and then the locking member (6) rotates counterclockwise as shown in FIG. It will be locked.

Next, in order to electrically unlock, when the solenoid (9) is energized in the locked state of FIG. 3, the plunger (9
a) is sucked into the solenoid and retracts, rotating the intermediate member (7) and the locking member (6) in the opposite direction to the above,
Since the engagement between the tip of the locking member (6) and the lock rod (5) is unlocked, the lock rod (5) is retracted by turning the handle or the like.

In the above description, the solenoid (9) is a bistable solenoid in which the plunger repeatedly projects and retracts each time the power is applied, and the electric lock is a type in which locking / unlocking is repeated each time the power is applied. .

By the way, (10) is a switch provided in the lock case (4) of the electric lock (3), and when the hub (8) is further rotated in the locking direction from the locked state of FIG. 3 (two-dot chain line state) , The side of the hub (8) tip pushes the switch (1
0) turns ON. When the switch (10) is turned on, for example, a part of the circuit of the control circuit (2) is cut off, and even if a valid code or code is input to the ten-key or the card reader (1), the electric lock (3) The unlocking signal is not input to, that is, it is not electrically unlocked. Alternatively, the circuit connecting the numeric keypad or card reader (1) and the control circuit (2) is cut off, and the numeric keypad or card reader (1) is cut off.
It is also possible to prevent the electric lock from being electrically unlocked by preventing a signal from the control circuit (2).

In Fig. 3, (11) is a click motion spring, and the hub (8) is locked (solid line in Fig. 3), and the hub (8) is further rotated clockwise (two-dot chain line in Fig. 3). State) The electric lock (3) operates so as to stabilize the hub (8) when the electric lock (3) is not electrically activated.

By the way, the solenoid (9) and the electric lock (3) are not limited to the type of the above-mentioned embodiment, and the solenoid may be of a type that adsorbs the plunger only during energization. It may be a type that locks or unlocks. The structure of the electric lock is also arbitrary.

[Second embodiment]

FIG. 4 shows a second embodiment of the motor (14).
The locking rod (5) is retracted and retracted via the intermediate member (5) by the operation of the to lock and unlock, and the hub (8) is rotated by a manual operation member such as a cylinder or thumb turn. The interlocking member (16) and the locking rod (5) can be retracted and operated.

(10) is a switch provided close to the hub (8), and the hub (8) is further rotated clockwise from the locked state of FIG. 4 (two-dot chain line state) to activate the switch (10). By doing so, similarly to the above-described embodiment, even if a valid code or code is input to the ten-key pad, a card reader or the like, the motor (14) is not energized, that is, it is in a state where it is not unlocked.

[Other Examples]

In the first and second embodiments, the switch (10) is
Although it is shown that the electric lock (3) is not electrically unlocked by turning it on, it may be electrically unlocked, for example.

In this case, contrary to the above embodiment, in the unlocked state, the switch (10) may be turned on by further rotating the hub (8) in the unlocking direction.

Although the switch (10) is provided in the lock case separately from the cylinder and thumb turn in the above-mentioned embodiment, it is a key switch in which the switch (10) is integrally provided in the cylinder and thumb turn. Of course, kimono may be used.

[Effects of the Invention] The electric lock control device of the present invention is provided with a switch in the lock case of the electric lock as described above, and the electric lock can be locked or unlocked directly or by a manual operation member such as a cylinder or thumb turn. By indirectly operating the switch via the hub, it is possible to temporarily prevent the electric lock from being electrically unlocked or locked. It can be provided extremely inexpensively without using a termer circuit or the like.

Moreover, for example, in order to temporarily disable the lock, the switch can be operated by further operating the manual operation member after the electric lock is operated by the manual operation member. It does not require any particular troublesome operation as described above, and the operation is simple.

The purpose of temporarily disabling electric control of the electric lock is effective for crime prevention when going to bed or absent for a long time.

Also, the purpose of temporarily making it impossible to electrically lock is convenient, for example, when managing a dormitory or the like, and when it is necessary to lock an unused room until it is used. Is.

[Brief description of drawings]

1 to 4 show an embodiment of the present invention, FIG. 1 is a block diagram, FIG. 2 is an internal structural view showing an unlocked state of an electric lock of the first embodiment, and FIG. FIG. 4 is an internal structure diagram showing a locked state of the electric lock of one embodiment, and FIG. 4 is an internal structure diagram of the electric lock of the second embodiment. 1: Numeric keypad or card reader, 3: Electric lock, 4: Lock case, 5: Lock rod, 6: Intermediate member, 8: Hub, 9: Solenoid, 10:
Switch, 12: Operation shaft of manual operation member (not shown)

Claims (2)

(57) [Claims] 1. An electric lock which is electrically controlled by a signal from a ten-key pad, a card reader or the like to be locked or unlocked, and which is rotated by a manual operation member such as a cylinder or thumb turn, A switch is provided in the vicinity of the hub provided in the lock case to operate the locking rod or locking member to lock or unlock the hub, and in the locked state or the unlocked state, the hub is further moved in the locking direction or the unlocking direction. A control device for an electric lock, wherein the electric lock is temporarily disabled from being electrically controlled by rotating the switch to operate the switch. 2. A switch is integrally provided on a manual operation member such as a cylinder or thumb turn, and when a locking or unlocking operation is performed,
2. The electric lock control device according to claim 1, wherein the switch is operated by further rotating the cylinder or thumb turn in a locking direction or an unlocking direction.