JPS5920522Y2 - Door opening/closing and locking device - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a device used to latch and lock a door to a fixed frame such as a box body or a doorway post, and to open and close the door.

In a conventional general device of this type, a latch plate is attached to the tip of the handle shaft of the handle device, and the door is latched and locked to a fixed frame by this latch plate, while a device tumbler lock is attached to the handle shaft. This lock locks the handle shaft to the main body of the device.

In this conventional device, in order to unlock the door and open the door, insert a key into the rotor of the lock, turn the rotor with the key, unlock the handle shaft from the device body, and then
It is necessary to rotate the handle shaft in the direction in which the latch plate is removed from the receiving part on the fixed frame side.

In other words, the conventional device requires a first step of inserting and rotating the key, and a second step of rotating the handle shaft, and these first and second steps must be performed simultaneously with one hand. was impossible.

Therefore, an object of the present invention is to provide a door opening/closing and locking device that allows the unlocking operation and rotation operation to be performed almost simultaneously with one hand.

Below, the door opening/closing and locking device of the present invention will be described with reference to the drawings. A certain mover 2, a handle device 4 fixed to the door 1 in proximity to the push button device 3, and a latch plate fixed to the handle shaft 5 of the handle device 4 and locking the door 1 to the fixed frame 6. 7, a restraining member 8 that is installed on the door 1 side and engages with the latch plate 7 to restrain the latch plate 7 in the door locking position, and a spring that biases the restraint member 8 in the direction of engaging with the latch plate 7. 33, and a restraining member 8 is connected to the plunger 31 and installed on the door 1 side,
A solenoid device 9 that drives the restraining member 8 in the unlocking direction of the door 1 when excited, a switch 10 installed on the door 1 side and inserted into the excitation circuit of the solenoid device 9, and a rear part of the movable element 2. It consists of an operating cam 11 that is fixed to the end and closes the switch 10 when the movable element 2 slides in a direction perpendicular to the front surface of the door 1, and a spring 22 that causes the operating cam 11 and the movable element 2 to return and slide. It is.

In the illustrated embodiment, a tumbler-type lock is used as the pushbutton device 3, and the mover 2 is constituted by the rotor of the lock.

The housing shaft hole 12 of the mover 2 has a receiving groove 13 continuous in the axial direction formed on its inner peripheral surface.

When the lock 14 is extracted, the tip 15a of the locking tooth disk 15 attached to the movable element 2 is engaged, so the movable element 2
is not rotatable, but the movable member 2 is slidable in the axial direction, that is, in the direction perpendicular to the door front surface 1a.

A finger rest member 16 is fitted into the small diameter portion 2a of the front end of the movable member 2, and an outer peripheral flange portion 1 of the finger rest member 16 is fitted onto the inner periphery of the front end portion of the shaft hole 12.
An annular stepped surface 12 a is formed on which the movable element 6 a can come into contact, and determines the pushing stroke of the movable element 2 .

The tip angle shaft portion 2b of the mover 2 has a flange portion 17 on the outer periphery of the intermediate portion.
An operating cam 11 having a protruding shape is fitted therein and fixed with screws 18.

The push button device 3 is fixed to a mounting board 20 by a nut 19, and a spring holding plate 21 is fixed to the mounting board 20.
A compression coil spring 22 is elastically inserted between the flange portion 17 and the flange portion 17 to slide and bias the movable element 2 in the return direction.

A guide hole 23 for the operating cam 11 is provided in the spring holding plate 21, and a restriction pin 25 fixed to the operating cam 11 is inserted into a rotation prevention hole 24 connected to the guide hole 23.

A microswitch type switch 10 is fixed to the mounting board 20 by a support plate 26, and a passive roller 28 provided on the actuator lever 27 comes into contact with a tapered cam surface 17a formed on the flange 17 of the operation cam 11. ing.

The mounting board 20 is further provided with a pivot screw 30 via a receiving sleeve 29.
A plate-shaped restraining member 8 is pivotally attached by.

The upper end 8a of the restraining member 8 is connected to the tip of the plunger 31 of the solenoid device 9 fixed to the mounting board 20 by a pivot pin 32.

A compression coil spring 33 is inserted between the upper end portion 8a of the restraint member and the main body of the solenoid N9, and urges the plunger 31 to return.

The bundle device 4 has a grip portion 3 at the front end of the bundle shaft 5.
The latch plate 7 is fitted onto the end corner shaft portion of the bundle shaft 5 and fixed with a bolt 35.

The latch plate 7 engages with the receiving part 36 on the fixed frame 6 side at its tip 7a, and the lower end 8b of the restraint member 8 can be engaged with the base end of the latch plate. A notch 37 is provided.

The restraint member 8 receives rotational bias in the clockwise direction in FIG. 3 from the plunger return spring 33, and
The engagement between the lower end portion 8b of the restraining member and the notch 37 is maintained.

Thus, in the locked state of the door shown in FIG. 3, the lower end 8b of the restraining member is in a position where it contacts the horizontal edge surface 37a of the notch, so the bundle shaft 5 is rotated counterclockwise, that is, in the door unlocking direction. It has become impossible to turn the

To unlock and open the door, press the finger member 16 with your fingertip to push the mover 2 of the push button device 3 in the axial direction, and push the passive roller 28 with the tapered cam surface 17H of the operation cam 11. , the switch 10 may be closed.

By closing this switch 10, a required excitation current flows through the solenoid device 9, and the plunger 31 is attracted, so that the restraint member 8 rotates counterclockwise around the pivot screw 30, and the lower end of the restraint member 8b is the notch 37
escape more.

Thus, the bundle shaft 5 can be rotated in the door unlocking direction.

As shown in FIG. 7, when the door is unlocked with the movable element 2 stopped being pressed and the solenoid device demagnetized, the latch plate 7 is at an angle with its tip 7a facing diagonally downward; A lower end portion 8b of the restraining member is in contact with the base end surface 7b.

Therefore, when the bundle shaft 5 is rotated clockwise, the lower end 8b of the restraining member and the latch root proximal edge surface 7b sequentially move their sliding contact positions, and the latch plate tip 7a partially engages with the receiving part 36. When fitted, the lower end 8b of the restraining member
It will enter into.

The reason why the restraint member 8 automatically engages with the latch plate 7 in this way is because the plunger return spring 33 is biased to rotate.

As described above, in the door opening/closing and locking device of the present invention, the push button device 3 is fixed to the door 1, and the push button device 3 is equipped with the movable element 2 that is slidable in a direction perpendicular to the front surface of the door 1. A latch plate 7 for locking the door 1 with respect to the fixed frame 6 is installed on the bundle shaft 5 of the bundle device 4 fixed to the door 1, and engages with the latch plate 7 to restrain the latch plate 7 in the door locking position. A restraint member 8 is installed on the door 1 side, and the restraint member 8 is biased by a spring 33 in the direction of engagement with the latch plate 7, and when excited, the restraint member 8 is attached to the door 1.
A solenoid device 9 driven in the unlocking direction is installed on the door 1 side by connecting a restraining member 8 to its plunger 31, and a switch 10 inserted into the excitation circuit of the solenoid device 9 is installed on the door 1 side. , an operating cam 11 that closes the switch 10 when the mover 2 slides in a direction perpendicular to the front surface of @1;
It is fixed to the rear end of the movable element 2 and connects the operating cam 11 and the movable element 2.
Since the push button device 3 and the bundle device 4 are brought close to each other and fixed to the door 1, the movable member 2 of the push button device 3 can be moved with the thumb of one hand.
By pressing , grasping the bundle with the remaining fingers of the hand, and rotating the bundle shaft 5, the door 1 will be immediately unlocked and opened.

Furthermore, when the door 1 is closed and the bundle shaft 5 is reversely rotated, the latch plate 7 and the restraining member 8 are automatically reengaged, so that the door is again restrained and held in the locked state.

That is, according to the present invention, it is possible to obtain a door opening/closing and locking device that is highly convenient for operation, in which the door can be unlocked and rotated almost simultaneously with one hand, and the door can also be automatically locked. It is.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; FIG. 1 is a front view of the door opening/closing and locking device, FIG. 2 is a left side view of the device, and FIG. 3 is a rear view of the device, showing the door in the locked state. It shows. FIG. 4 is an enlarged vertical sectional view of the push button device in the device, FIG. 5 is a sectional view taken along line AA' in FIG. 4, and FIG. 6 is a sectional view taken along line BB' showing the operation cam and switch portion of the device. It is a diagram. FIG. 7 is a rear view of the device with the door unlocked. 1...Door, 2...Movable element, 3...
...Push button device, 4...Bundle device, 5.
...Bundle shaft, 6...Fixed frame, 7.
...Latch plate, 8...Restriction member, 9...
... Solenoid device, 10 ... Switch, 1
1...Operating cam, 14...Key, 15.
... Locking tooth disk, 16 ... Fingering member, 17 a ... Tapered cam surface, 21 ...
...Spring holding plate, 22...Mover return spring, 28...Switch passive roller, 30...
... Pivot screw, 31 ... Plunger, 32
... Pivot pin, 33 ... Spring for returning the plunger and biasing the rotation of the restraining member, 36 ... Receiving portion, 37 ... Notch for engagement.

Claims (1)

[Scope of utility model registration request] A push button device 3 fixed to the door 1, a movable element 2 equipped on the push button device 3 and capable of sliding in a direction perpendicular to the front surface of the door 1, and a movable element 2 fixed to the door 1 in the vicinity of the push button device 3. a handle device 4, a latch plate 7 fixed to the handle shaft 5 of the handle device 4 and locking the door 1 to the fixed frame 6, and a latch plate 7 provided on the door 1 side and engaged with the latch plate 7 to lock the door A restraining member 8 that restrains the plate 7 in the door locking position, a spring 33 that biases the restraining member 8 in a direction to engage the latch plate 7, and a plunger 31.
A solenoid device 9 is installed on the door 1 side by connecting a restraint member 8 to the solenoid device 9 and drives the restraint member 8 in the unlocking direction of the door 1 when excited. a switch 10 inserted into the circuit; an operating cam 11 fixed to the rear end of the movable element 2 and closing the switch 10 when the movable element 2 slides in a direction perpendicular to the front surface of the door 1;
A door opening/closing and locking device consisting of an operating cam 11 and a spring 22 that causes the mover 2 to return and slide.