JPH08151832A - Locking/unlocking confirming device - Google Patents

Abstract

PURPOSE: To provide a device capable of having locking/unlocking confirming functions on an existing lock with a low cost without replacing the existing lock at all. CONSTITUTION: An actuator 10 rocked when a dead bolt 9 is coupled or released is coupled with a fitting base section 8 provided in the receiving hole 21 of the existing receiving seat 7 of a door frame 5, and a sensor 11 detecting the rocking of the actuator 10 when the dead bolt 9 is coupled to detect locking is provided on the fitting base section 8. An excitation returning means 12 returning the actuator 10 to the initial position when the dead bolt 9 is released is provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking / unlocking confirmation device provided as an attachment for providing an existing lock with a function of locking / unlocking confirmation provided in a receiving hole of an existing seat on a door frame. Is.

[0002]

2. Description of the Related Art For example, for the purpose of crime prevention by centralized security, doors of office buildings and tenant buildings are equipped with locks with lock / unlock confirmation devices. The results are highly evaluated in terms of crime prevention. This lock / unlock confirmation device is functionally
A sensor electrically detects whether or not the dead bolt of the door lock is engaged with the box receiver on the side of the door frame, so that the locked / unlocked state can be remotely confirmed.

By the way, when a door having a lock that does not have a lock / unlock confirmation function is used as a target, the lock / unlock confirmation is performed by removing all the existing locks. At present, the lock is equipped with a device, or the seat on the door frame side is replaced with a seat equipped with a locking / unlocking confirmation device.

[0004]

However, since the receiving seat incorporating the locking / unlocking confirmation device has a larger overall shape than the ordinary receiving seat by the amount of the locking / unlocking confirmation device incorporated, this receiving seat is required. It is necessary to perform troublesome and troublesome processing on the door frame when incorporating it into the door frame, especially when replacing the entire lock including the door lock, it is also necessary to process the door. Since the number of locks is very large and the doors and door frames to be processed are metal sashes such as steel and aluminum, it is very difficult to make the above modifications and a great deal of cost is required. It was.

Further, in the case where the positions of the screw holes for the door frame and the door of the seat and the door lock to be newly replaced are slightly different from the positions of the screw holes already formed in the door frame and the door. However, there was a problem that the above-mentioned remodeling was impossible and further large-scale remodeling work was indispensable.

It is an object of the present invention to easily provide, as an attachment, a device capable of imparting a lock / unlock confirmation function to an existing lock at a low cost without requiring replacement of the existing lock.

[0007]

That is, the locking / unlocking confirmation device according to the present invention as an attachment provided in the receiving hole of the existing seat on the door frame has a mounting base portion mounted in the receiving hole of the seat. A sensor that is fitted with an actuator that is swung when the dead bolt is engaged and disengaged, and that is provided with a sensor that detects the swing of the actuator that is engaged with the dead bolt and that confirms whether the lock is locked; and It is characterized in that a biasing returning means for returning the actuator to the initial position with the detachment of the dead bolt is provided.

[0008]

When the lock / unlock confirmation device having the above-described structure is incorporated in the receiving hole of the existing seat on the door frame, the door is closed and the dead bolt of the door lock is engaged in the receiving hole of the seat, the dead bolt is detected. When the actuator is rocked as the door is locked, and the rocking of the actuator is detected by the sensor, the locked state of the door is electrically confirmed. On the other hand, when the dead bolt is removed from the seat, the actuator is returned to the initial position by the action of the biasing return means, and the unlocked state of the door is electrically confirmed.

That is, by simply incorporating the locking / unlocking confirmation device as an attachment in the door frame side, the existing lock can be provided with the function of locking / unlocking confirmation without replacing any existing lock.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an overall view of a locking means in which an existing lock 2 on a door 1 is equipped with a locking / unlocking confirmation device 3 as an attachment. The lock 2 is a door lock 4 embedded in the door 1 and, for example, made of steel. The door frame 5 is made of a sash or the like, and the receiving plate 7 is fixed to the back plate 6 by welding with screws.

As shown in FIGS. 2 to 5, the locking / unlocking confirmation device 3 is mounted on a mounting base 8 which is sandwiched and held between an existing back plate 6 and a seat 7 on the door frame 5. Deadlock 9 for door lock 4
The mounting base 8 is provided with a sensor 11 which is fitted with an actuator 10 which is rocked when the dead bolt 9 is engaged and disengaged, and which detects the rocking of the actuator 10 when the dead bolt 9 is engaged. Further, a biasing return means (for example, a coil spring) 12 for returning the actuator 10 to the initial position in accordance with the detachment of the dead bolt 9 is provided.

More specifically, the mounting base 8 is slightly narrower than the seat 7 and has a vertical cutout b for inserting the seat mounting screw a. On the lower side of the formed fastening plate portion 15, a bracket plate portion 16 is bent and continuously provided in the insertion direction of the dead bolt 9, and on both sides of the bracket plate portion 16, a holding plate portion 17 of the actuator 10 is provided. 17 is formed by bending and hanging.

A fan-shaped opening d for inserting the rotary shafts c, c formed in the actuator 10 is provided on the fastening plate 15 side of the bent portion between the holding plates 17, 17 and the bracket plate 16. d is formed and the actuator 10 is brought into contact with the bracket plate portion 16 (see FIG. 4) and is separated downward from the bracket plate portion 16 within a predetermined range (see FIG. 5). And) are pivotally attached so that they can be swung freely.

The locking / unlocking confirmation sensor 11 is composed of, for example, a magnetic reaction type element having a lead wire e, and in this embodiment, the sensor 11 is molded in a synthetic resin member 18 and a magnet for operating the same is formed. 19 is provided on the upper surface of the actuator 10. Specifically, as the above-mentioned magnetic reaction type element, there is no mechanical operation and it has durability of several hundred thousand times,
A so-called Hall element that electrically detects a slight movement of the actuator 10 and thus the magnet 19 is used.

Then, in order to fix the synthetic resin member 18 to the upper surface of the bracket plate portion 16 of the mounting base 8 with screws h, h, screw insertion holes i, i are formed in the bracket plate portion 16 while the holes i are formed. , I and concentric screw holes j, j are formed in the synthetic resin member 18, and an introduction hole m for the magnet 19 is formed in the synthetic resin member 18, and the bracket plate portion 16 is used for inserting a magnet. The notch n is formed.

If the above-mentioned Hall element is selected as the sensor 11, the lock can be confirmed by a slight swing of the actuator 10, and the actuator 1 after that can be confirmed.
Since the oscillating movement of 0 is absorbed by the urging and returning means 12, it is possible to confirm the locking in the entire oscillating range of the actuator 10 after a slight oscillating movement. In other words, the range in which the operation can be confirmed can be made large, and even if there is a positional displacement due to the hanging of the door for many years, for example, there is an advantage that the confirmation of the locking can be surely made. is there.

The locking / unlocking confirmation device 3 having the above structure is attached to the back plate 6 as follows, for example. That is, as shown in FIG. 5, the back plate 6 integrated with the door frame 5 is formed by screwing the screws a, a.
The receiving seat 7 is removed from the seat 7, the locking / unlocking confirmation device 3 is passed through the opening 13 for engaging the dead bolt of the back plate 6, and the locking / unlocking confirmation device 3 is lifted up and the fastening plate portion 15 of the mounting base 8 is attached. Is attached to the outer surface of the back plate 6, and the seat 7 removed from the back plate 6 is placed on the fastening plate portion 15 to stop the seat 7 and the mounting base 8 as shown in FIG. Wearing plate part 15
Then, the three members of the back plate 6 are fixed with screws a.

At this time, it is essential that the swinging free end side of the actuator 10 is projected into the engagement / disengagement locus of the dead bolt. Since the notch b for inserting the screw is formed, the adjustment work of causing the swinging free end side of the actuator 10 to enter the locus can be easily performed, and the lead wire e can be appropriately adjusted. , Is connected to a monitoring means (not shown).

It should be noted that it is desirable to form a notch t for preventing displacement from being formed on one surface, more preferably both inner and outer surfaces, of the fastening plate portion 15 of the mounting base portion 8. Furthermore, the fastening plate portion 15 is further provided. It is desirable that at least one of the suction surfaces of the back plate 6 and the seat 7 which holds the sheet is sandwiched and notched to prevent displacement.

In the above embodiment, the back plate 6 is provided with the opening 13 for inserting the dead bolt.
Is composed of two upper and lower back plate members, and the back plate members are vertically welded to the door frame 5 at a predetermined interval, and the dead bolts are substantially inserted between the upper and lower back plate members. The opening 13 may be formed.

In this way, the door 1 is closed with the locking / unlocking confirmation device 3 as an attachment incorporated in the receiving hole 21 of the receiving seat 7, and the opening 14 opened in the receiving seat 7 and the back plate 6. , 13, through which the dead bolt 9 of the door lock 4 is seated 7
6, the actuator 10 is pushed by the dead bolt 9 and swings upward against the urging / returning means 12, as shown in FIG. The magnet 17 is a synthetic resin member 18.
Into the introduction hole m formed in the
Swinging to the sensor 11 side means that this sensor 11
Door 1 by dead bolt 9 as detected by
The locked state of is electrically confirmed.

On the other hand, when the dead bolt 9 is detached from the seat 7, the actuator 10 is returned to the initial position by the action of the biasing return means 12 accordingly, and the unlocked state of the door 1 is electrically confirmed. Therefore, by simply incorporating the locking / unlocking confirmation device 3 as an attachment into the door frame 5 side, the existing lock 2 can be used as it is without replacing any of the existing locks 2. It is possible to add the function of confirming lock / unlock to item 2.

That is, the existing lock 2 is used without any troublesome work for processing the door frame 5, the back plate 6 and the like.
Therefore, the existing lock 2 can be provided with the function of confirming locking / unlocking in a short time and at low cost without wasting any of the above.

In the above embodiment, the door frame 5 having no box support is provided.
Although the locking / unlocking confirmation device 3 is attached to the back plate 6 as shown in FIG. 7, as shown in FIG. 7, the receiving seat 7 is provided with the box support 20 and is already installed in the door frame 5. This box receiver 20
It is possible to implement the present invention by attaching the locking / unlocking confirmation device 3 having the above configuration to the.

That is, the screws a and a are screwed off to remove the seat 7 and the box support 20 from the back plate 6 of the door frame 5, and the box support 20
In addition, a hole f for inserting the lead wire e is formed, and the locking / unlocking confirmation device 3 is housed in the receiving hole 21 of the receiving seat 7 (that is, the recessed space of the box receiver 20), while The lead wire e is inserted and the fastening plate portion 15 of the mounting base portion 8 of the locking / unlocking confirmation device 3 is sandwiched between the flange portion 22 of the box holder 20 and the seat 7, and the box holder 20 of the box holder 20 is inserted. By attaching the flange portion 22 to the outer surface of the back plate 6 and fixing these three members to the back plate 6 with screws a, the existing lock 2 can be provided with a function of confirming locking / unlocking.

In each of the above embodiments, the locking / unlocking confirmation device 3 is attached to the upper side of the back plate 6 or the box support 20, but the locking / unlocking confirmation device 3 is turned upside down to reverse the back plate 6 or the box. It goes without saying that it can be implemented by being attached to the lower side of the bridge 20. Further, the lock / unlock confirmation device 3 is provided on the box receiver 20.
When attaching, the locking / unlocking confirmation device 3 may be attached inside the box receiver 20 itself.

That is, as shown in FIG. 8 (A), the upper side of the fastening plate 15 of the mounting base 8 is bent to the upper side of the inner surface of the box receiver 20, and the bent portion 15a is bent to the box receiver 20. 8B, or as a fastening plate portion 15 of the mounting base portion 8, it is hung down to the inner side of the bracket plate portion 16 and If the fastening plate 15 is configured to be screwed to the inner surface of the box receiver 20, the existing box receiver 20 and the seat 7 are removed from the door frame 5, and the mounting base 8 is attached to the box receiver 20. The existing lock 2 can be made to have a function of confirming locking / unlocking by a simple work of fixing the lock with a screw and returning the box support 20 and the receiving seat 7 to the original positions.

Further, in the above-mentioned embodiment, the bias return means 1
Although 2 is composed of a coil spring, as shown in FIG. 9, it is possible to cut and raise a part of the actuator 10 and form the biasing return means 12 by this cut and raised plate spring structure. The sensor 11 is of a magnetic reaction type, but this is merely an example and can be changed to, for example, a micro switch or a reed switch.

When the above-mentioned micro switch, reed switch, or the like is used as the sensor 11, the magnet 17 is of course unnecessary, and at this time, when the actuator 10 can move largely,
It is also possible to use the bias return means 12 also as a switch pressing member without providing a separate switch pressing member on the actuator 10.

[0030]

As described above, according to the present invention, the door frame and the back frame can be easily assembled by simply installing the locking / unlocking confirmation device as an attachment in the receiving hole of the existing seat on the door frame. The existing locks can be locked and unlocked without costly work, without wasting existing locks and without wasting existing plates. be able to.

[Brief description of drawings]

FIG. 1 is an overall view of a locking means in which an existing lock on a door is equipped with a locking / unlocking confirmation device as an attachment.

FIG. 2 is an exploded perspective view of a locking / unlocking confirmation device as an attachment.

FIG. 3 is a side view of the locking / unlocking confirmation device in the unlocked confirmation state.

FIG. 4 is a side view of the locking / unlocking confirmation device in the locked / locked state.

FIG. 5 is an explanatory diagram of how the locking / unlocking confirmation device is attached to the back plate.

FIG. 6 is an explanatory diagram showing a state of lock confirmation by the lock / unlock confirmation device.

FIG. 7 is an explanatory view of another embodiment in which the locking / unlocking confirmation device is attached to the flange portion of the box receiver.

FIG. 8 (A) is an explanatory view of another embodiment in which the locking / unlocking confirmation device is attached above the inner surface of the box receiver, and FIG. 8 (B) is still another view in which the locking / unlocking confirmation device is attached to the inner surface of the box receiver. It is explanatory drawing of an Example.

FIG. 9 is a perspective view of a biasing returning means having a leaf spring structure according to another embodiment.

[Explanation of symbols]

1 ... Door, 2 ... Lock, 5 ... Door frame, 6 ... Back plate, 7 ... Seat, 8 ...
Attachment base, 9 ... Dead bolt, 10 ... Actuator, 11 ... Sensor, 12 ... Energizing return means, 20 ... Box support.

Claims (1)

[Claims] 1. A locking / unlocking confirmation device as an attachment, which is provided in a receiving hole of an existing receiving seat on a door frame, and has an existing lock having an unlocking / locking confirmation function. An actuator that swings with the engagement and disengagement of the dead bolt is fitted to the mounting base that is mounted in the receiving hole, and a sensor that detects the swing of the actuator with the engagement of the dead bolt and confirms the lock is installed. A locking / unlocking confirmation device, which is provided on the mounting base portion, and is provided with a biasing return means for returning the actuator to an initial position when the dead bolt is detached.