JPH0629394Y2 - Locking device - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a locking device used for a door separating a bathroom from a dressing room, a door of a toilet, and the like, and more specifically, for example, craftsmen other than the owner during construction. It is related to the technology to prevent others from entering the bathroom or toilet.

[Prior Art] Conventionally, as shown in FIG. 17 and FIG. 18, the latch 2 is provided so as to project and retract from the case by the rotation operation of the operation handle 1, and the rotation operation of the operation handle 1 is prevented to be solved. An unlocking stopper for blocking the lock is provided in the case, and an unlocking stopper actuating device 5 such as a knob for operating the unlocking stopper is provided on one side surface (inside the room) of the case and the other side surface of the case. In the locking device in which the emergency unlocking unit 7 for actuating the unlocking prevention device actuating device 5 to the unlocking side using the tool 6 such as a coin is formed on the side (outdoor side), Upon completion, the unlocking prevention device actuating device 5 is actuated so as to prevent a person other than the owner, such as a craftsman, from entering from the outside during the new construction of the house.

[Problems to be Solved by the Invention] However, even if the unlocking stopper is actuated by the unlocking stopper actuating tool 5 in this way to prevent intrusion from the outside, The emergency unlocking portion 7 for operating the unlocking prevention device actuating tool 5 with the tool 6 such as a coin is formed, and the tool 6 such as a coin can be used to easily enter the room. was there.

The present invention has been made in view of such problems,
The purpose is that before handing over to the owner, etc.
Preventing the unlocking device from being operated even if the emergency unlocking part is operated, preventing the intrusion of persons other than a specific person such as the owner, and after handing over to the owner, the emergency unlocking An object of the present invention is to provide a locking device that can be unlocked at a lock portion in a predetermined emergency.

[Means for Solving the Problem] In the locking device of the present invention, the unlocking prevention device operating tool 5 and the emergency unlocking unit 7 are separated, and the unlocking prevention device operating tool 5 and the emergency unlocking unit 7 are separated.
It is characterized in that a connecting tool 8 for connecting and is provided so as to be attachable.

[Operation] As described above, the unlocking prevention tool operating tool 5 and the emergency unlocking section 7 are separated, and the connecting tool 8 for connecting the unlocking prevention tool operating tool 5 and the emergency unlocking section 7 is freely attachable. If the connecting device 8 is not mounted over the unlocking prevention device operating tool 5 and the emergency unlocking unit 7, the emergency unlocking unit 7 is not connected to the unlocking device operating tool 5. Therefore, even if the emergency unlocking unit 7 is operated, the lock cannot be unlocked, prevents intrusion from the outside during construction, etc., and when handed over to the owner, the lock 8 is used as the unlocking stopper actuating device 5. By connecting the emergency unlocking unit 7 with the emergency unlocking unit 7, the emergency unlocking unit 7 can be provided with a predetermined function and can be locked and unlocked as desired. is there.

Embodiment An embodiment of the present invention will be described in detail below with reference to the drawings.

The case 3 is formed in a rectangular box shape, and the latch 2 is biased by the coin spring 10 so as to project from the case 3. Case 3
A swing arm 11 is swingably disposed inside, and a square shaft 13 is inserted into a square hole 12 penetrating the swing arm 11, and the square shaft 13 is projected to both sides of the case 3. There is. Operation handles 1 and 1 are attached to both ends of the square shaft 13.
A through hole 14 is formed in the swing arm 11, the latch 2 is passed through the through hole 14, and a spring 15 is used to swing the swing arm 1.
1 is biased so as to swing in the protruding direction of the latch 2. 16 is projected on the latch 2. One of the operation handles 1 on both sides of the case 3
When the lever is rotated in the unlocking direction against the spring 15, the swing arm 11 swinging together with the operation handle 1 causes the swing arm 11 to pass through the through hole 14 thereof.
It abuts against the abutment 16 of the latch 2 at the peripheral portion of the, and presses the abutment 16 to retract the latch 2 into the case 3 against the spring 10 and remove the latch 2 from the key hole (not shown). , Can be unlocked.

An unlocking prevention tool 4 is swingably arranged in the case 3. The unlocking stopper 4 is a stopper 18 provided on the case 3,
The rocking position is determined by hitting 18, and when the rocking intermediate position is exceeded, it is rocked and biased by the coil spring 17, and abutting on the stopper 18 on that side, positioning can be performed. . To the unlocking prevention device 4, a knob-like unlocking prevention device operating tool 5 is inserted and connected so as to be integrally rotatable. The knob-like unlocking prevention device actuating device 5 is projected to one side surface side of the case 3 (which becomes the indoor side in the attached state). Then, the unlocking prevention device actuating tool 5 is rotated from the indoor side with fingers to rock the unlocking prevention device 4, and the unlocking prevention device 4 is elastically contacted with one of the stoppers 18, and the position thereof is changed. It can be held.

A contact surface 19 is formed at the tip of the unlocking prevention device 4, while
An inclined receiving surface 20 is formed at the tip of the swing arm 11, and therefore, in the unlocking prevention position a of the unlocking prevention device 4,
The abutting surface 19 abuts the receiving surface 20 to restrain the swinging arm 11 from swinging in the unlocking direction, thereby preventing the operation of the inner and outer operation handles 1 and 1 in the unlocking direction and unlocking. It is designed so that the locked state that cannot be done can be maintained. Such an unlocking prevention tool 4 is rotatably held in a handle case 21a that rotatably holds the operation handle 1.

The emergency unlocking section 7 is arranged so as to face the unlocking prevention tool 4, and the emergency unlocking section 7 is rotatably held by the other handle case 21b. The unlocking prevention device operating tool 5 and the emergency unlocking unit 7 can be connected by a key-like connecting tool 8 as needed. The reason and configuration will be described in detail below.

As shown in FIG. 2, the emergency unlocking portion 7 is formed with a concave groove 22 into which a part of the tool 6 such as a coin is inserted, and the corrugated key is opened at the bottom of the concave groove 22. The groove 23 is penetrated. The key receiving groove 24 into which the corrugated keys 25 and 26 can be inserted is pierced through the shaft portion 4a of the unlocking prevention tool 4 housed in the case 3, and the key portion from the unlocking prevention tool operating tool 5 as well. 28 is projected. Then, the key 25 used during construction as shown in FIG.
As shown in (b), the key groove 23 of the emergency unlocking section 7 and the key receiving groove 24 of the unlocking prevention tool 4 are inserted from the outdoor side. In such a case, the key portion 28 of the unlocking prevention device actuating device 5 has the key receiving groove 24.
The unlocking prevention device operating tool 5 and the emergency unlocking unit 7 are integrally connected to each other, and the knob 25 of the key 25 under construction is inserted.
By pinching a and rotating the key 25, the unlocking prevention tool operating tool 5 is rotated in the unlocking direction to allow the unlocking prevention tool 4 to escape from the swing arm 11, and the imaginary line in FIG. Retract to the unlocking allowed position (b) shown below, and during the construction like this, key 2
Only person who has 5 unlocking prevention tool 4 in unlocking prevention position a
To the unlocked position b and then the operation handle 1
It is designed so that it can be unlocked by turning to enter the room. Then, by removing the key 25 and disconnecting the emergency unlocking section 7 and the unlocking prevention device operating tool 5, a person without the key 25 can use the tool 6 such as a coin to unlock the emergency unlocking section. Even if the emergency unlocking section 7 is rotated by inserting it into the concave groove 22 of 7, the unlocking prevention tool operating tool 5 is not rotated and cannot enter the room. When handing it over to the owner or the like, a short key 26 as shown in FIG. 5 is inserted deeply into the key groove 23 of the emergency unlocking portion 7 and the key receiving groove 24 of the shaft portion 4a, and the emergency unlocking key is inserted. The lock portion 7 and the unlocking prevention device actuating device 5 are connected in advance. In such a case, a tool 6 such as a coin is inserted into the concave groove 22 and the emergency unlocking unit 7 is rotated to rotate the unlocking prevention tool operating tool 5 and the unlocking prevention tool 4, It can be unlocked from the outside by turning the operation handle 1 into the unlockable state. Although the shapes of the keys 25 and 26 and the key groove 23 are respectively corrugated, other shapes may be used. Reference numeral 30 in the figure is a face plate of the door 31.

FIG. 12 shows another embodiment, in which the unlocking stopper actuating member 5 is integrally formed with the shaft portion 4a of the unlocking stopper 4, and the key groove 23 and the shaft portion 4a of the emergency unlocking portion 7 are formed. Insert the key 25 under construction into the key receiving groove 24 of No. 2 so that only a specific person can enter the room during the construction, and at the time of handing over to the owner etc., insert the short key 26 deeply, The unlocking prevention device operating tool 5 and the emergency unlocking unit 7 are connected in advance. Further, FIGS. 13 to 16 show another embodiment, in which the keyway portion 2 on the inlet side of the keyway 23 of the emergency unlocking section 7 is shown.
The shape of 3a is corrugated, and the keyway portion 23 on the outlet side is formed.
The shape of b is rectangular, the shape of the key 25 is corrugated, and a fold 27 is inserted in the middle of the lengthwise direction, and the tip key portion 25b folded and cut at the fold 27 at the time of delivery to the owner is for emergency use. The unlock portion 7 is pushed into the key groove portion 23b which is a rectangular shape on the exit side of the key groove 23, and the tip of the key portion 25b is inserted into the key receiving groove 24 of the shaft portion 4a of the unlocking prevention device 4. However, the cut key portion 25b hits the step portion 29 on the inlet side and the outlet side to prevent the key portion 25b from coming off.

[Effects of the Invention] In summary, the present invention separates the unlocking prevention device actuating device and the emergency unlocking part, and attaches the connecting device for connecting the unlocking blocking device actuating device and the emergency unlocking part freely. Since the lock is provided, the emergency unlocking unit is not connected to the unlocking block actuator and the emergency unlocking unit is not connected to the emergency unlocking unit when the linking device is not mounted between the unlocking block actuator and the emergency unlocking unit. Even if the lock part is operated, it cannot be unlocked and prevents intrusion from the outside during construction work, etc., and when handing over to the owner, the unlocking prevention device actuator and the emergency unlocking part are connected by the connecting tool. By connecting them, there is an advantage that a predetermined function of the emergency unlocking unit can be obtained, and locking and unlocking can be performed as predetermined.

[Brief description of drawings]

1 (a) and 1 (b) are exploded perspective views of an embodiment of the present invention, a sectional view of a state where the door is attached to the door, FIG. 2 is a perspective view of an emergency unlocking part of the above, and FIG. Fig. 4 is a perspective view of an unlocking prevention device actuating device, Fig. 4 is a perspective view of a connecting device used during construction of the above, Fig. 5 is a perspective view of the connecting device at the time of delivery, and Fig. 6 is a case of the same. A side view showing the internal structure, FIG. 7 is a front view of the same,
Fig. 8 is a plan view before being attached to the door of the same as above, Fig. 9 is a front view of the same as above, Fig. 10 is a side view from the side of the unlocking stopper actuating device of the same as above, and Fig. 11 is an emergency solution of the same as above. A side view from the lock side, FIG. 12 is a sectional view of another embodiment of the above, FIG. 13 is a sectional view of yet another embodiment of the same, and FIG. 14 is a perspective view of the emergency unlocking portion of the same. Fig. 15 is a perspective view of the above key, Fig. 16 is a side view of the above key groove, Fig. 17 is a perspective view from the outside of the conventional example, and Fig. 18 is a perspective from the inside of the same. 1 is an operating handle, 2 is a latch, 3 is a case, 4 is an unlocking stopper, 5 is an unlocking stopper actuating tool, 6 is a tool, 7 is an emergency unlocking section, and 8 is a connecting tool. is there.

Claims (1)

[Scope of utility model registration request] Claims: 1. A latch is provided so as to project and retract from the case when the operation handle is rotated, and an unlocking prevention device is provided for preventing rotation of the operation handle to prevent unlocking. An unlocking device such as a knob to operate is provided on one side of the case, and an unlocking device is operated on the other side of the case to the unlocking side using a tool such as a coin. It is a locking device having an unlocking part, and a connecting tool for separating the unlocking block actuating device and the emergency unlocking part and connecting the unlocking block operating device and the emergency unlocking part can be mounted freely Locking device provided on the.