JPH0650622Y2 - Remote control cylinder for box lock - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention can be applied to store doors, entrance doors of houses, etc.
The present invention relates to a remote control cylinder for a box lock that can lock and unlock a door with a cylinder lock provided at a position separated from a door handle.

[Conventional technology]

For box locks installed on doors that require door locking, the dead bolts that come in and out from the door end due to locking and unlocking operations from inside and outside the room, and lever handles or knobs installed inside and outside the room It is general because a latch bolt that is recessed at the end of the door is provided, and a cylinder lock having a key insertion port is located near the lever handle (or knob) on the door surface on the outdoor side.

[Problems to be solved by the invention] Doors that need to be locked, such as store doors and entrance doors of houses, are also easily noticeable doors, and for reasons of door design that make the exterior appearance beautiful. It is desirable that there be no key insertion hole near the lever handle (or knob) on the surface of the door where the eyes are particularly concentrated.

However, when the dead bolt and the latch bolt are provided in one box lock, the position of the cylinder lock for retracting the dead bolt from the outdoor side is the lever handle (or knob).
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The present invention has been made to solve the above problems, and it is possible to provide a cylinder lock for locking and unlocking a box lock at a position separated from a box lock having a dead bolt and a latch bolt. is there.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, in the remote control cylinder for box lock of the present invention, a dead bolt is inserted into the case installed inside the end of the door so that the dead bolt can be retracted, and a wire guide hardware is provided. The cam plate rotatably fitted is provided with an arm projecting from the outer peripheral surface, and a drive piece for engaging the dead bolt is provided. When the cam plate is rotated to the locking position, the dead bolt is A box lock that protrudes and immerses when rotated to the unlocked position is formed, and a cylinder lock having a key insertion port on the outside of the room is provided at a location separated from the box lock and fixed to the rotor of the cylinder lock. One end of the wire inserted through the wire guide hardware is fixed to the lever, and the wire whose other end is fixed to the arm intersects the arm at an intermediate position between the locked position and the unlocked position at a substantially right angle. And it is characterized in Rukoto.

[Action]

When an outdoor person inserts the key into the key insertion hole of the cylinder lock and rotates the key in the locking or unlocking direction, the lever fixed to the rotor of the cylinder lock rotates in the same direction and presses or pulls the wire. To do. The wire intersects the arm of the cam plate at the intermediate position at a right angle, and the amount of rotation of the cam plate is about 45 degrees from the intermediate position.
The pulling direction substantially coincides with the rotating direction of the arm, and the cam plate can be smoothly rotated in the locking and unlocking directions without bending or buckling of the wire.

Due to the rotation of the cam plate in the same direction, the dead bolt appears and disappears from the door end, and the door is locked or unlocked.

〔Example〕

 An embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view of the door D as seen from the outside of the door. A box lock A is installed inside the door D, a front 1 is provided at an end of the box lock A, and a dead bolt 2 is provided on the front 1. Also, the latch bolt 3 is inserted so that it can be retracted and retracted, and when the lever handle 4 is rotated, the latch bolt 3 protruding from the front 1 retracts into the front 1 as in the conventional case.

FIG. 2 shows a partially broken front view of the box lock A in an unlocked state, and FIG. 4 shows a side view of the box lock A.

A cam plate 6 is rotatably fitted to the side wall 5a of the case 5 embedded in the end surface of the door D, and an arm 7 and a drive piece 8 are provided on the outer peripheral surface of the cam plate 6 so as to project therefrom.

The dead bolt 2 has a concave groove 9 that engages with the driving piece 8, and tapered portions 10 and 11 are formed at both ends of the concave groove 9 on the opening side.

A lateral groove 13 is engraved on the case 5 and a cover 12 which serves as a lid for the case 5, and a pin 14 is provided on the dead bolt 2 in the lateral groove 13.
Is slidably inserted.

One end of a spring 16 is pivotally attached to a pin 15 provided on the drive piece 8, and the other end of the spring 16 is pivotally attached to a pin 17 provided on the case 5.

Square hole of hub 18 rotatably fitted to side wall 5a of case 5
The angular shaft of the lever handle 4 is inserted into the lever 19, and when the lever handle 4 is turned to rotate the hub 18 in the clockwise direction in FIG. 2, the collar portion 20 protruding to the outer peripheral surface of the hub 18 is retracted.
21 is pushed rightward, the latch bolt 3 whose rear end engages with the vertical wall 22 of the retractor 21 is pushed rightward, and the case 5
The spring support member 23 and the head 3a of the latch bolt 3 fixed to the
The latch bolt 3 is designed to be retracted into the front 1 against the spring 24 inserted between and.

Above the box lock A, as shown in FIG.
Is attached to the door D.

The cylinder lock B is a front view of FIG. 5, a vertical sectional view of FIG.
As shown in the rear view of FIG. 7 and the perspective view of FIG. 8, there is a key insertion port 25 on the outer surface of the door D, and the rotor 26 rotates together with the key inserted in the key insertion port 25. A lever 27 is fixed to the opposite side of the key insertion port 25, and one end of a wire 28 having a strength capable of withstanding pulling and pushing is fixed to a tip end portion of the lever 27.

One end of a guide tube 30 is fixed to the case 29 of the cylinder lock B, and a large diameter portion 30a provided at the other end of the guide tube 30 is a fitting 31 attached to the upper wall 5b of the case 5 of the box lock A. Inserted inside.

As shown in FIG. 2, the fitting 31 has a tubular portion for accommodating the large-diameter portion 30a formed at a small diameter so that only the guide tube 30 can be inserted therein to prevent the large-diameter portion 30a from coming off. The male screw of the wire guide metal fitting 32 inserted into the hole of the upper wall 5b from the inside of the case 5 is screwed into the female screw provided at the end of the large diameter portion 30a.
Is held between the fitting 31 and the wire guide 32.

The other end of the wire 28 inserted in the guide tube 30 is fixed to the tip of the arm 7.

The wire 28 which is inserted into the wire guide hardware 32 and fixed to the other end of the arm 7 has an arm 7 located at an intermediate position between the locked position (see FIG. 3) and the unlocked position (see FIG. 2). Since they intersect at a substantially right angle, the pressing and pulling directions of the wire 28 and the rotating direction of the arm 7 are substantially coincident with each other, and the cam plate 6 can be locked and unlocked smoothly without bending or buckling of the wire 28. Can move.

The operation of the box lock remote control cylinder configured as described above will be described.

(Locking) As shown in FIG. 2, in the unlocked state in which the dead bolt 2 is retracted into the door end, when the key is inserted into the cylinder lock B provided above the door D and rotated in the locking direction, the rotor is rotated.
The lever 27 rotates clockwise in FIG. 7 together with 26,
The wire 28 descends in the guide tube 30 and the arm 7 of the cam plate 6 rotates clockwise, and the clockwise rotation of the drive piece 8 causes the dead bolt 2 to project from the end of the door D toward the frame. The door D is locked by being fitted into a hole of a strike (not shown) provided (see FIG. 3).

(Unlocking) From the locked state shown in FIG. 3, when the key inserted in the cylinder lock B is turned in the unlocking direction, the lever 27 of the rotor 26 rotates counterclockwise and the wire 28 moves in the guide tube 30. Ascending, the arm 7 rotates counterclockwise, the drive piece 8 rotates counterclockwise, the dead bolt 2 is retracted into the end of the door D separated from the strike, and the door D is unlocked.

Locking and unlocking from the indoor side is performed by rotating a thumb turn coaxial with the cam plate 6 as in the conventional case.

[Effect of device]

Since the present invention is configured as described above, it has the effects described below.

For doors that are easily visible from the outside, such as store doors and entrance doors of houses, install a remote-controlled cylinder for box locks to remove visible cylinder locks near the lever handle (or knob) where it is particularly easy to focus attention. The aesthetics of the entire door have improved.

When the box lock remote control cylinder that can lock and unlock the box lock from the outdoor side is provided above the door, there is an effect that it becomes difficult to illegally unlock from the outdoor side.

Further, when the door is provided with an electric lock, it can be applied to a mechanical locking device provided as an emergency for the electric lock.

[Brief description of drawings]

1 to 8 show an embodiment of the present invention, FIG. 1 is a perspective view of a door equipped with an operating cylinder for a remote control cylinder for a box lock, and FIG. 2 is an example of a box lock in an unlocked state. Partly broken front view, FIG. 3 is a partially broken front view of the box lock in a locked state, FIG. 4 is a side view of the box lock, FIG. 5 is a front view of the cylinder lock, and FIG. Fig. 7 is a rear view of the above, and Fig. 8 is a perspective view of the same. A: Box lock, B: Cylinder lock, D: Door, 1 ... Front, 2 ... Dead bolt, 3 ... Latch bolt, 4
...... Lever handle, 5 …… Case, 6 …… Cam plate, 7 is an arm, 8 …… Drive piece, 25 …… Key slot, 26
...... Rotor, 27 …… Lever, 28 …… Wire, 29 …… Case, 30 …… Guide tube, 31 …… Joint hardware, 32 …… Wire guide hardware.

Claims (1)

[Scope of utility model registration request] Claims: 1. A dead bolt is inserted into and retracted from a case provided inside an end of a door, a wire guide metal is provided, and a cam plate rotatably fitted to the case is attached to an outer peripheral surface of the cam plate. A box lock that is provided with a projecting arm and a drive piece that engages with the dead bolt, and that the dead bolt projects when the cam plate rotates to the locking position and that retracts when the cam plate rotates to the unlocking position. A cylinder lock having a key insertion port on the outside is provided at a position separated from the box lock, and one end of the wire inserted into the wire guide fitting is fixed to a lever fixed to the rotor of the cylinder lock. A remote control cylinder for box lock characterized in that the wire, the other end of which is fixed to the arm, and the arm at an intermediate position between a locked position and an unlocked position intersect at a substantially right angle.