JPS5926749B2 - Remote control deadbolt device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a remotely controlled deadbolt device, in which a motor is rotated by a certain amount in a certain direction by operating a switch, and a put bolt is alternately advanced or retreated.

An embodiment of the present invention will be described below with reference to the drawings.
A deadbolt 2 is provided on a lock case 1 so as to be movable forward and backward from a front plate 1a thereof.

Reference numeral 3 designates a deadbolt drive arm that is rotatable in the left and right directions around a fulcrum 3a, and the driven pin 2a of the deadbolt 2 engages with a retaining portion 3b at its free end. When the bolt driving arm 3 rotates in the left and right direction, the dead bolt 2 advances or retreats from the case 1 at a temperature of .degree.

A long hole 3c is formed in the middle part of the deadbolt drive arm 3 and extends in the left and right rotation direction, and a drive cam 40 rotation shaft 5 for the deadbolt drive arm 3 is located within the long hole 3c.・Ru.

The drive cam 4 is formed in a cross shape by a cam plate 4a located on the back side of the deadbolt drive arm 3 and a cam plate 4b located on the front surface thereof, and the tip portions 4a1t4 of the cam plates 4a and 4b
A driven protrusion 3d protrudes in opposite directions on the front and back sides of the deadbolt drive arm 30 when b1 rotates.

3e to rotate the deadbolt drive arm 3 alternately in the left and right directions.

A motor 6 rotates a worm 9 via gears 7 and 8, and a gear 10 that meshes with the worm 9 is provided on the rotation shaft 5, thereby causing the drive cam 4 to rotate.

A rotation restriction plate 11 relative to the drive cam 4 is loosely fitted on the rotation shaft 5 at the upper part of the gear 10, and a ratchet gear 12 provided on the back side of the rotation restriction plate 11 is connected to a pawl 13 provided on the gear 10. The rotation regulating plate 11 is engaged with the gear 1.
They rotate at the same time when the arrow 0 rotates in the direction of the arrow, but they can rotate independently in the opposite direction, allowing the position to be adjusted.

Notches 11a for regulating the amount of rotation are formed at equal positions on the outer periphery of the rotation regulating plate 11, and actuate the microswitch 14 that is in contact with the rotation regulating plate 11.

The deadbolt 2 is provided with a switch actuation pin 15,
When unlocking, the microswitch 16 for displaying the unlocked state is activated, and when the lock is locked, the microswitch 17 for switching the locking power supply circuit is activated.

18 is a latch for detecting closed door, and a micro switch 19
Notifies the door open status via.

In the above configuration, when the lock is unlocked, the microswitch 17 closes the locking power supply circuit, so when the locking switch 20 is operated, the motor 6 starts rotating.
As a result, the rotation regulating plate 11 causes the micro switch 1 to
4 is closed, the motor 6 continues to rotate even after releasing the switch 20, reaches the notch 11a, and closes the microswitch 14.
is opened, and the motor 6 projects the deadbolt 2 to the locked position via the deadbolt drive arm 3.

When the lock is locked, the microswitch 17 is switched, so the unlocking power supply circuit is closed, and only the unlocking switch 21 operates the motor 6.

Since the present invention is constructed as described above, the deadbolt can be reliably locked or unlocked by rotating the motor in the same direction by remote control, and the rotation regulating plate of the motor can be controlled by the power source using the ratchet mechanism. It can be easily adjusted to an appropriate position relative to the circuit changeover switch.

[Brief explanation of the drawing]

FIG. 1 is a mechanical diagram showing the unlocked state of the present invention, FIG. 2 is a mechanical diagram showing the same locked state, FIG. 3 is a plan view of the rotation regulating plate portion, and FIG. 4 is a power supply circuit. 2... Deadbolt, 3... Deadbolt drive arm, 4... Drive cam, 6...
Motor, 11...Rotation regulating plate, 14...
·Microswitch.

Claims (1)

[Claims] 1 The automatic end of the getbolt drive arm, which is provided so as to be rotatable in the left and right directions via a fulcrum, is engaged with a deadbolt that can freely move forward and backward, and a rotation shaft driven by a motor is installed in the hole in the middle of the putbolt 1 drive arm. and cam plates located on the front and back sides of the get bolt drive arm with respect to the rotation axis, and the cam plates are alternately engaged with driven projections protruding in opposite directions on the front and back sides of the get bolt drive arm. At the same time, the put bolt drive arms are alternately rotated in the left and right directions, a rotation regulating plate for the motor is provided on the rotation shaft via a ratchet mechanism, and a power supply circuit for the motor is connected to the outer periphery of the rotation regulating plate. A remote-controlled deadbolt device characterized in that the microswitch is brought into contact with an opening/closing microswitch to operate the microswitch at a predetermined position.