JP3164514B2 - Emergency unlocking device for locks - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock provided in a partition door of a bathroom, a washroom, a toilet, or the like, and particularly to an emergency unlocking device for a lock which can be locked only from the indoor side.

[0002]

2. Description of the Related Art Conventionally, for example, doors of toilets, lavatories, and bathrooms in homes are generally locked on the indoor side, and display locks for indicating use or non-use are linked to door locks on the outdoor side. is set up.

[0003] Such a display lock has a configuration in which a slit portion is provided outside the room. When the display lock is locked, the locked state of the door lock is maintained, while in the case of an emergency where the door lock cannot be unlocked, a screwdriver or a coin is inserted into the slot to rotate the rotary shaft coaxial with the slot. The door lock was unlocked from outside by opening the retreat path of the latch bolt of the door lock.

[0004]

However, such a conventional display lock requires a special tool, such as a coin or a screwdriver, to be unlocked in an emergency. Met.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an emergency unlocking device which can be easily unlocked in an emergency without requiring a special tool such as a coin or a screwdriver.

[0006]

Therefore, in order to achieve the above-mentioned object, the invention according to the first aspect of the present invention is, for example, as shown in the illustrated embodiment, a screwdriver or a coin is provided on a slit portion 15 provided on the outdoor side. In an emergency unlocking device for a lock that inserts and rotates the same to rotate a rotating shaft 20 coaxial with the slit portion 15 to unlock a locking member such as a latch bolt 6 or a dead bolt. In addition to the slot 15, a rotating member 13 for emergency unlocking is rotatably attached to the rotating shaft 20.
Is characterized in that a finger hook 13b is provided in a part of it so as to be unlockable.

In the emergency unlocking device for a lock according to the first aspect, when there is no driver or coins in an emergency,
The rotating member 13 is rotated by putting a finger on the finger hook 13b. Then, the rotating shaft 20 is simultaneously rotated, for example, the retreat path of the latch bolt is opened, and the door lock can be unlocked from the outdoor side.

According to a second aspect of the present invention, in the emergency unlocking device for a lock according to the first aspect, for example, as shown in the illustrated embodiment, the other rotating member 13 is connected to the rotating shaft 20. The lever is formed in a lever shape elongated in a direction perpendicular to the axial direction of the shaft, and has finger hooks 13b at both ends, and is fixed to the rotating shaft 20 together with the slit 15 at the center.

In the emergency unlocking device for a lock according to the second aspect, in an emergency, a finger is hooked on the finger hook 13b to rotate the lever-shaped turning member 13.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, an embodiment of an emergency unlocking device for a lock according to the present invention will be described in detail with reference to the drawings.

FIG. 4 is a front view of a part of a door according to an embodiment of the emergency unlocking device for a lock according to the present invention.
FIG. 2 is a side view of a free end side of the door.

In the drawing, reference numeral 1 denotes a door which is mounted so as to be rotatable on the hanging side. A box-shaped lock main body 2 is embedded in the free end side of the door 1, and is latched via a drive transmission member (not shown) provided on the lock main body 2 by operating the lever handle 3 and the thumb turn 5 of the display lock 4. Bolts 6 are attached so that they can enter and exit freely from the free end surfaces.

The emergency unlocking device for a lock according to the present invention includes a base member 10 as shown in FIGS. The base member 10 is made of metal and has a somewhat thick circular plate shape. A through hole 10a is formed at the center, and a cutout recess 10b is provided in a diametrical direction on one surface side.

The two mounting tubes 11 and 12 are fixed to one end of each of the two mounting tubes 11 and 12 and are mounted outside the door 1.

The two mounting pipes 11 and 12 extend through the thickness direction of the door 1 and extend to the indoor side. A mounting screw (not shown) for mounting the thumb turn 5 into a screw hole (not shown) opened at the other end. Installed.

In the cutout recess 10b of the base member 10, a rotating member 13 is accommodated supported by a slot 15 described later.

The rotating member 13 has a slightly elongated plate shape, and has a mounting hole 13a formed in the center of its length. As shown in FIG.
Subsequently, the finger hook 13b is bent outward and further bent upward, and has a U-shaped finger hook 13b having a groove 13c inside and having an upward vertical cross section. The base member 10 is rotatable within a range of approximately 90 degrees within the cutout recess 10b.

A display plate 14 is provided on the base member 10 on the side where the notch recess 10b is provided, which is also supported by a slot 15 described later.

The display plate 14 is made of resin, has a thin circular plate shape, and has an oval mounting hole 14a formed at the center thereof. Then, on one side of the display plate 14,
Display sheets 17 and 18 are attached.

Each of the display sheets 17 and 18 is formed by mixing a luminous luminous paint having a different color and a different emission color. The phosphor of the luminous luminous paint referred to here is, for example, a phosphor containing strontium aluminate as a host crystal and containing europium and desprosium as an activator for forming a luminescent center.
The sintered body obtained by heating each time for 3 hours is pulverized, sieved and classified.

As a result, the brightness of the phosphor of the conventional luminous paint is 10 times or more brighter and 10 times or more longer than that of the conventional phosphor. Then, the display sheets 17 and 18 are displayed on the display plate 14.
Is attached to form a display unit.

The slit 1 is provided in the mounting hole 13a of the rotating member 13 and the mounting hole 14a of the display plate 14 described above.
5 has been inserted.

The slit portion 15 has a slightly short shaft shape, and is provided with a split groove 15b by diametrically slitting a head portion 15a on one end side. A flange 15c is provided on the outer periphery of the slit 15 near the head 15a. The outer side of the side opposite to the head 15a across the flange 15c has a substantially oval vertical cross section.

The mounting hole 14a of the display plate 14
The slit 15 is inserted through the mounting hole 13 a of the rotating member 13, and the slit 15 is further inserted through the through hole 10 a of the base member 10.

Further, one end of the rotating shaft 20 is fixed to the other end of the slit 10. The rotating shaft 20 has an elongated flat plate shape, extends through the thickness direction of the door 1 and extends to the indoor side, and the thumb turn 5 is fixed to the other end.

On the other hand, one surface of the base member 10, the rotating member 13, the display plate 14, and the like are covered with a cover member 23. The cover member 23 has a circular cap shape having a low height, and a circular window hole 23b is formed in the center of the top surface 23a.
Are perforated, and a fan-shaped display window 23c is perforated at an upper position slightly deviated from the center. A notch 23d is provided on the outer periphery of the cover member 23 at the lower edges on both sides in the diameter direction.

Then, it is put on the base member 10 and fixed by appropriate means.

Then, when the cover member 23 is attached,
The head 15 of the slot 15 through the circular window hole 23b
a and the groove 15b are exposed. In addition, the finger hooks 13b of the rotating member 13 slightly protrude outside from the cutouts 23d of the cover member 23, respectively.

When the rotating member 13 is in the position shown by the solid line in FIG. 4, the display lock 4 is in the unlocked state, and at that time, the display sheet 17 of the display plate 14 is displayed through the display window 23c. .

On the other hand, when the thumb turn 5 is operated and locked inside the room, the rotating shaft 20 rotates simultaneously and the display plate 14 rotates integrally therewith, and another display sheet 18 is moved to the display window hole 23c. , And the rotating member 13 also rotates simultaneously and moves to the position indicated by the two-dot chain line.

For example, when an abnormality occurs in the user during use of the bathroom, the user immediately puts his / her finger on the finger hook 13b of the rotating member 13 shown by the two-dot chain line in FIG.
Is rotated clockwise in the figure. Then, at the same time, the rotating shaft 20 is rotated, and the retreat path of the latch bolt of the door lock is opened, so that the door lock can be unlocked from the outdoor side.

When a coin or a driver is at hand in an emergency, the coin or the driver is inserted into the split groove and the rotary shaft of the display lock, which is coaxial with the slot, is rotated in the same manner as described above. The door lock can be unlocked from the outside.

By the way, in the illustrated embodiment described above,
The display portion of the display plate 14 was composed of display sheets 17 and 18 containing luminous luminous paint having different colors and different emission colors, and these were adhered to the display plate 15. However, the present invention is not limited to this, and illustration is omitted. For example, one of the display portions is formed by a display plate molded by blending a luminous luminous paint, and the other display portion is different in color and emits light. Alternatively, the display plate may be formed of a display sheet made by mixing different luminous luminous paints, and the display sheet may be attached to the display plate.

Alternatively, the display plate may be formed of a metal, and the display portion may be formed by applying a luminous luminous paint having a different color and a different emission color on the surface.

[0035]

As described above, according to the emergency unlocking device for a lock according to the present invention, when unlocking is performed in an emergency, a finger is held on a finger hook and the rotating member is rotated. Since the shaft is rotated to unlock the door lock, it is possible to easily and quickly unlock the door lock without using a coin or a driver as in the related art, and it is possible to use the emergency lock with ease.

Also, since the rotating member has a lever shape,
Operability can be improved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a part of an embodiment of an emergency unlocking device for a lock according to the present invention.

FIG. 2 is a front view of the display lock as viewed from the outdoor side.

FIG. 3 is a longitudinal sectional view taken along line AA in FIG. 2;

FIG. 4 is a front view of a part of a door including an emergency unlocking device.

FIG. 5 is a side view of the free end of the door.

[Explanation of symbols]

 Reference Signs List 5 thumb turn (operating member) 6 latch bolt (locking member) 13 rotating member 13b finger hook portion 15 slot portion 20 rotating shaft

Continuation of the front page (56) References JP-A-58-156853 (JP, A) JP-A-7-208006 (JP, A) JP-A-60-115355 (JP, U) JP-A-3-95475 (JP) , U) Japanese Utility Model Showa 62-108468 (JP, U) Japanese Utility Model Hei 1-159069 (JP, U) Japanese Utility Model Showa 59-875 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB Name) E05B 65/10 E05C 1/06

Claims (2)

(57) [Claims] 1. A locking member such as a latch bolt or a dead bolt by rotating a rotary shaft coaxial with the slot by inserting a driver or a coin into a slot provided on the outdoor side and rotating. In an emergency unlocking device for a lock which can be unlocked, a rotating member for emergency unlocking is rotatably attached to the rotating shaft separately from the slit portion, and a part of the rotating member. An emergency unlocking device for a lock in which a finger hook is provided so as to be unlockable. 2. The other rotating member has a lever shape elongated in a direction perpendicular to the axial direction of the rotating shaft, and has operating portions at both ends, and the center is provided on the rotating shaft together with the slit portion. The lock emergency release device according to claim 1, which is fixed.