JP4102932B2 - Cylinder and lock case mounting mechanism for double-sided cylinder imposition lock. - Google Patents

Description

    The present invention relates to a cylinder mounting of a double-sided cylinder imposition lock and a technique for mounting a lock case.

Many imposition locks are used as entrance locks for apartments and condominiums.
The imposition lock is also used when the lock case cannot be embedded in the door or when it is not desired to embed it.
Imposition locks have high crime prevention properties and are often used when you want to emphasize crime prevention.
However, as for the imposition locks, there are still few locks of double-sided cylinders that can be locked and unlocked from both the indoor and outdoor sides.

There are many doors that you want to lock with a key from both sides.
A double-sided cylinder lock is effective in making a hole in the door using a tool and preventing the unlocking by inserting a hand or tool through the hole.

Many of the conventional general digging locks that are digged into the doors can be used as double-sided cylinder locks by assembling a cylinder on the indoor side.
However, since the imposition lock that is attached to the door surface is installed under different conditions from the digging lock, a different technique is required for fixing the indoor cylinder and attaching the lock case. Become.

In Japanese Patent Application No. 2003-197078, a double-sided cylinder immobilizing lock is performed by fixing an indoor cylinder from the lock front side and attaching a lock case using an attachment base.
Japanese Patent Application No. 2003-197078

In the locked state, the double-sided cylinder surface locking must not be removed from the indoor side of the lock case attached to the indoor side cylinder or the indoor surface of the door.
How to solve this easily and effectively is the most important issue of double-sided cylinder imposition locks.

The fixing and releasing operation of the indoor cylinder can be easily and reliably performed, and it is necessary for the fixing to have a sufficient effect and strength at the time of locking, and it is a problem to realize the mechanism.
The challenge is to realize a mechanism that can easily and securely be attached to the door of the lock case and has the necessary effects and strength for security when locking.

Almost no immobilization lock with a conventional indoor cylinder is seen.
For this reason, the assembly technique for the lock case of the indoor cylinder has not been established, and there is no data indicating the effects of the few existing technologies.
The same applies to the case where the lock case is attached to the door.
The purpose is to realize a technology that seems to be more effective in such circumstances.

The indoor cylinder and lock case should not be removed only during locking. In other words, it may be removed when not locked. Considering such a mechanism, it is only necessary to consider a mechanism in which the lock can be attached and detached in the unlocked state but not in the locked state.
Also, both the indoor and outdoor cylinders need only be removed if the lock case is not removed from the door.

The indoor cylinder mounting mechanism according to claim 1 considered that the cylinder is fixed and released from the bottom plate (18) side, which is the back side of the lock case, with the lock case removed from the door.
The imposition lock case attachment mechanism according to claim 2 has considered a method in which the lock case can be removed at the time of unlocking with the dead bolt retracted.

The structure of the indoor cylinder mounting mechanism according to claim 1 will be described.
1 and 2 show a cylinder and a lock case provided with a fixing mechanism for the indoor cylinder.
FIG. 7 shows a fixing screw head (17) to which a stopper (10) is assembled, which is a metal fitting for fixing the assembled cylinder.
The fixing screw has a shaft screw (36) cut on the shaft, and the stopper has its receiving screw cut.
If the fixing screw head (17) is turned, the stopper moves along the shaft screw.

The indoor cylinder is provided with a screw (20) around the bottom side and a fixing groove (21) around the bottom side.
The lock case is provided with a receiving screw (8) in a cylinder holder (7) for assembling the cylinder, and a fixing groove (9) is provided around the receiving screw. There may be a plurality of fixing grooves for the cylinder and the lock case, and the number may be determined according to the structure of the cylinder.
Screws and fixing grooves provided in the cylinder are provided on the outer cylinder (19) of the cylinder or a protective cover that wraps the outer cylinder.

The mechanism for fixing the indoor cylinder will be described with reference to FIGS.
5 and 6 show a state in which the cylinder is screwed into the cylinder holder as far as it is, and the fixing groove (21) of the cylinder and the fixing groove (9) of the cylinder holder (7) are aligned.
5A, 6A, and B show a state in which the fixing screw head (17) is turned from the bottom plate (18) side of the lock case and the stopper (10) assembled to the fixing screw is inserted into both grooves. In this state, the cylinder outer cylinder (19) cannot be removed and the cylinder is fixed.

5B, 6C, D, and E show the state in which the fixing screw head is turned and the stopper (10) is removed from both grooves. In this state, there is no stopper between both grooves, and the cylinder outer cylinder (19) can be turned to remove the indoor cylinder from the cylinder holder.
To turn the fixing screw head to fix and release the indoor cylinder, the imposition lock case must be removed from the door.
It is a feature of the present invention to perform from the bottom plate side of the lock with the imposition lock case removed from the door.

Although there is a similar structure in the conventional method of fixing the cylinder of the digging lock, the conventional method is performed from the front side of the lock attached to the door end of the door with the door opened. Although it takes more time and effort to remove the lock case from the door as in the present invention, the crime prevention effect is considered to be greater.
In addition, the insertion of the fixing pin from the side of the cylinder as in the present invention is easier to eliminate the play of fixing the cylinder and the fixing stroke can be increased than the insertion of the fixing pin into the fixing groove from the side of the cylinder as in the past. There is.

  The shape of the fixing screw and fixing pin inserted between the fixing groove of the cylinder holder and the fixing groove of the cylinder is wedged between the cylinder holder and the cylinder as shown in FIGS. 8A and 8B, and stops the rotation of the cylinder. Anything is fine. What is necessary is just to decide according to the shape of the cylinder holder or cylinder of the lock.

The imposition lock case attachment mechanism according to claim 2 will be described.
The lock surface (3) in FIG. 1 is provided with a screw through hole (5), the dead bolt (4) is provided with a screw through hole (11), and the facing lock case (1) is attached to the door from both screw through holes. Insert the mounting screw and screwdriver.

A mechanism in which the lock case cannot be removed from the door unless it is unlocked will be described with reference to FIGS. 3A and 4A show the unlocked state.
In this state, the threaded hole (11) of the dead bolt is aligned with the threaded hole (5) of the lock case, and the mounting screw (30) and the screwdriver (34) are passed through both threaded holes, A screw can be inserted into a counterbore provided in the seat plate (18), and the lock seat plate can be screwed to the door.

  3B and 4B show the locked state. In the locked state, the screw through hole (11) of the dead bolt (4) moves, and the dead bolt closes the screw through hole (5) provided on the lock surface. In this state, the driver (34) cannot be inserted from the screw hole, and the screw head (28) of the mounting screw (30) cannot be turned. Therefore, the imposition lock case cannot be removed from the door.

About the fixing mechanism of the indoor cylinder
As shown in FIG. 2, the conventional general fixing position and fixing method of the outdoor cylinder (13) are fixed to the lock case seat plate (18) by screws from the back side of the lock case. Both the indoor and outdoor cylinders can be fixed and released on the same surface by making the position of the fixing screw of the indoor cylinder on the back side of the same lock case, and the cylinders inside and outside the room can be easily attached and detached.

    Like the outdoor cylinder, the indoor cylinder cannot be removed unless the lock case is removed from the door. The removal level of the cylinder is the same as that of the outdoor cylinder, which increases security.

About imposition lock attachment mechanism
There is no difference in structure from conventional imposition locks.
The screw surface is simply provided with a screw and a screw through the lock surface and the dead bolt.
The work of attaching and removing the lock to the door is no different from the conventional imposition lock.
However, it is easy to handle this mechanism that the lock cannot be removed automatically during locking.

The door to which the lock of the present invention can be attached can be any door to which a conventional imposition lock can be attached.
When the lock of the present invention is needed, it is a time when it is desired to lock and unlock with both keys from both sides indoors and outdoors with imposition locks.
The imposition lock is particularly excellent in crime prevention performance from the outdoor side, which is the door opening side, and is a time when it is desired to be attached to a door having such a demand.

Desorption of the indoor cylinder of the invention will be described.
When the fixing screw head (17) provided on the seat plate (18) is turned from the back side of the lock case with a screwdriver while the imposition lock case is removed from the door, the fixing pin (10) assembled to the fixing screw is attached to the cylinder. It moves away from the fixed groove (21). Next, when the cylinder outer cylinder (19) is turned, the cylinder screw (20) is released from the screw (8) of the cylinder holder (7) of the lock case, and the indoor cylinder is released. The installation of the indoor cylinder is reversed.

The procedure for attaching the imposition lock of the invention to the door will be described.
The procedure is exactly the same as a conventional imposition lock.
The only difference is whether the head of the mounting screw is the lock surface or the inside of the dead bolt in the lock case.
First, confirm that the dead bolt is retracted.
Next, the mounting screw (30) is attached to the tip of the driver (34), the screw threading hole (5) on the lock surface and the threading hole (11) of the dead bolt are passed through, and the seat plate (18) of the lock case is attached to the door. Screw on the indoor side (31).

After attaching the imposition lock case to the door, when the dead bolt that is locked is protruded, the dead bolt moves, so that the threaded hole of the dead bolt moves to the state shown in FIGS. 4B and 3B. The driver cannot be inserted and the lock case cannot be removed.
If the mounting screw is provided with a conventional screw counterbore (6) and used in combination with the conventional mounting method, the mounting strength can be further increased.

Even when a double-sided cylinder immobilization lock is used, the security level from the indoor side seems to be a little lower than that from the outside.
Considering this, it is considered that one to two mounting screws of the dead bolt are used as the mounting method of the present invention, and two to three conventional screws are used together.

A. It is the indoor side perspective view which removed the indoor side cylinder of the imposition lock of invention. B. It is a perspective view of a dead bolt. A. It is the perspective view which looked at the imposition lock of FIG. 1 from the back side. B. It is the perspective view which looked at the indoor side cylinder from the bottom side. A. The unlocked state is shown in the AA cross section of FIG. B. Indicates the locked state. A. The unlocked state is shown in the horizontal cross section at position B in FIG. B. Indicates the locked state. A. The state where the indoor cylinder is fixed is shown in the horizontal cross section at the position C in FIG. B. Indicates the state where the fixation is released. A. It is the figure which showed the state which the indoor side cylinder was fixed from the horizontal direction. B. It is the figure which cut and showed A. C. It is the figure which showed the state which cancelled | released from the horizontal direction. D. It is the figure which cut and showed C. E. It is the figure which cut and showed the cylinder holder of C vertically. It is the perspective view which combined the stopper with the fixing screw of the cylinder. A. The modification which made the stopper and fixing pin of a cylinder one body is shown. B. The modification which fixes a cylinder directly with a fixing screw is shown.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Locking face case 2 Lock front 3 Lock surface 4 Dead bolt 5 Screw through hole 6 Conventional screw countersink hole 7 Cylinder holder 8 Screw 9 Fixing groove 10 Stopper 11 Screw through hole 12 Locking rear surface 13 Outdoor cylinder 14 Fixing screw DESCRIPTION OF SYMBOLS 15 Counterbore 16 Stupid hole 17 Fixing screw head 18 Seat plate 19 Outer cylinder 20 Screw 21 Fixing groove 22 Inner cylinder 23 Cylinder shaft 24 Dalma 25 Dead cam 26 Cylinder bearing hole 27 Locking bar 28 Mounting screw head 29 Locking pin 30 Mounting screw 31 Door interior side 32 Frame 33 Lock receiving hole 34 Driver 35 Cosmetic ring 36 Shaft screw 37 Guide 41 Fixing pin 42 Stopper 43 Fixing screw

Claims (2)

  An outdoor cylinder (13) operated from the door opening side with respect to the imposition lock that is attached by screwing the imposition lock case (1) to the closed door side surface of the door, which is the indoor side surface (31) of the door, and the door A double-sided cylinder imposition lock that has two cylinders, an indoor cylinder that is operated from the closed door side of the door, and is used to lock and unlock the cylinder by operating the cylinder from both inside and outside the door using a key. When attaching the indoor cylinder attached to the closed side of the locking case (1), a screw (20) and a fixing groove (21) are provided around the bottom side of the indoor cylinder (Fig. 2B). A screw (8) for assembling the cylinder and a fixing groove (9) around the screw are provided. The indoor cylinder is screwed into the lock case, and the lock is fixed to the lock case seat plate (18) at the position where both grooves are aligned. Screw head (1 7) By operating the fixing pin (41) and inserting the stopper (10), the fixing pin and the fixing screw (43) into both grooves, the indoor cylinder is fixed to the lock case. Indoor cylinder mounting mechanism for double-sided cylinder immobilizing lock that locks and unlocks the indoor cylinder from the bottom of the lock case with the lock case removed from the door. On the lock surface (3) of the immobilizing lock case, a screw through hole (5) for the mounting screw head (28) is provided at the axial center position of the mounting screw (30), and the dead bolt (4) is attached during unlocking. The screw threading hole (11) through which the head of the mounting screw passes is provided at the position of the screw shaft core, so that the dead bolt protrudes when locking, and the screw threading hole (5) on the lock surface is closed and the mounting screw cannot be turned. An imposition lock case mounting mechanism characterized in that the case cannot be removed from the door.