JPH0577832B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a locking device that houses a switch that generates an electric signal in response to locking and unlocking, and that can be easily assembled and downsized.

[Background technology]

By installing a switch in the receiving part that operates according to the advance and retreat of the dead bolt in the lock body, the lock activates electrical appliances such as a lock confirmation lamp, gate light, interior light, and even a fan when the switch is turned on and off. The device is known.

On the other hand, the receiving part of such a locking device is attached to a cavity provided in the frame material toward which the door faces. However, it is difficult to form a deep cavity in the frame material, so the receiving part has to be small with a particularly small depth.
Moreover, it is desired that the assembly be easy.

In addition, in such a locking device, the switch is operated via an actuating metal fitting that abuts against the dead bolt in order to absorb attachment errors between the lock body and the receiving portion.

On the other hand, such an operating fitting B has conventionally been
As shown in the figure, since a V-shaped bent piece was used and the corner part was pivoted at the bottom of the box body A, assembly was difficult.

Therefore, as shown in Fig. 15, it is conceivable to use an L-shaped actuation fitting B, with its corner part pivoted at the front part of the box body A, and to house the switch S in the back part. In order to prevent the incoming dead bolt C from colliding with the switch S, it is necessary to increase the depth or width of the box A to shift the position of the switch S, which increases the size of the device. Note that because of the tilting movement of the operating bracket B, the switch S cannot be installed at the position shown by the dashed line.

[Purpose of the invention]

The present invention improves assemblability and downsizes the device by pivoting the actuating metal fitting, which includes an actuating piece and an actuating piece that rotate in opposite directions, at the front part of the box body of the receiving part. The purpose is to provide a locking device that can measure the

[Disclosure of the invention]

An embodiment of the present invention will be described below based on the drawings.

In the figure, a locking device 1 includes a lock main body 4 that is attached to a door 2 and has a dead bolt 3, a locking hole 7 provided in the front surface of a box 6 that is attached to a frame 5 facing the door 2, and The body 6 includes a receiving part 10 that accommodates a switch S and an actuation fitting 9, and the actuation fitting 9 has an abutment piece 12 that rotates in opposite directions about a base end 15.
and an actuating piece 13, and the base end 15 is connected to a box body 6.
It is supported at the front of the

The door 2 is a rectangular, for example, a flat panel that opens and closes an opening 21 provided in the wall. By using a pasted wall panel, and by cutting out the face materials 22 and 23 in a rectangular shape and arranging the frame material 24 and the decorative material 25 around the rectangular notches, the space surrounded by the frame body 5 is The opening 21 is formed. Further, the rear edge of the door 2 is pivotally connected to the frame 5 toward which the rear edge of the door 2 faces using a hinge 29, and the lock body 4 is attached to the door 2.

In this example, the lock body 4 is a so-called surface-mounted lock that is screwed onto the interior surface of the door 2, and includes the dead bolt 3 and the latch bolt 16 on the upper and lower sides. The dead bolt 3 can be moved forward and backward using a thumb turn 31 on the indoor side and a key inserted into a key holder 32 on the outdoor side, and the latch bolt 16 can be moved forward and backward using grips 33 and 34 on both sides of the door.
In addition, the lock body 4 has a front surface 4A that is close to the front edge 2 of the door 2.
From A, it is attached with a retaining portion 36.

The box body 6 of the receiving part 10 includes a front plate 41 and the front plate 4.
It consists of a box body 42 that is attached to the back of the door 2.
It is attached within the decorative material 25 of the frame body 5 facing. The decorative material 25 covers a base material 44 aligned with the outdoor outer edge of the frame material 24, a frame material 45 extending to the inner surface of the frame material 24 covering the corner portion of the panel material 22 on the indoor side, and the base material 44. It consists of a folding frame 47. Further, the bending frame 47 extends from the edge of the outdoor side panel 23 and projects inside the opening 21 along the retaining portion 36 at the indoor edge of the L-shaped portion 49 that comes into contact with the inner surface of the base material 44. It consists of a side piece 50, an inner piece 51 that is bent at a right angle toward the indoor side at its inner edge, and a side piece 52 that extends toward the frame material 45 at the indoor edge of the inner piece 51,
A U-shaped portion 53 forming the door stop of the door 2 is provided, and the bending frame 47 has an L-shaped portion 49 and a base material 44.
It is fixed to the frame material 24 using nails or the like that pass through. Further, the front plate 41 is attached to the U-shaped portion 53 and is attached to the box body 4.
2 is stored inside.

Note that the U-shaped portion 53 is provided with a relatively long notch 54 by cutting out the inner piece 51, and mounting pieces 55, 55, which are recessed inner pieces 51, are formed above and below the notch.

The box body 42 has projecting pieces 57, 57 having the same thickness as the recess depth of the mounting piece 55 and the same shape as the mounting piece 55.
The upper plate 59 and the lower plate 60 are attached to the back plate 6 on the inner edges facing each other.
A base 63 connected by 1 and provided with side plates 62, 62 is attached. Note that the side plate 62 is provided with protrusions 66, 66 that are deviated upward from the box body 42 by forming notches 64, 65 on the upper and lower sides thereof. Further, the front plate 41 has side pieces 50, 5 on both side edges of the receiving plate part 70 attached to the inner piece 51 of the U-shaped part 53.
The receiving plate part 70 has a locking hole 7 into which the dead bolt 3 is inserted as it advances, and a locking hole into which the latch bolt 16 is inserted. A hole 17 is bored. Further, the front plate 41 can be fixed to the mounting piece 55 with screws while holding the projecting piece 57 therebetween. Note that the locking holes 7 and 17 are located below the front plate 41, and therefore, a space 73 is formed above the locking hole 7 in the box body 6 by mounting the locking holes 7 and 17. Said switch S
is, for example, a micro switch, and is fixed to the back plate 61 with its operating end 74 facing downward and its lower end touching the upper surface of the protrusion 66. Therefore, since the switch S is located in the space 73 and faces the cutout 64, a switch S having the same length as the width of the base 63 can be used.

Further, the switch S is turned on and off by the operating metal fitting 9.

As described above, the actuation fitting 9 is composed of the contact piece 12 and the actuation piece 13, which rotate in opposite directions about the base end 15.
are linked via interlocking means 19.

As shown in FIGS. 9 to 11, the contact piece 12 and the actuation piece 13 are arms 92 and 93 extending from bosses 90 and 91, both of which have a small thickness and which are the base end portions 15.
Receiving plates 94 and 95, which extend laterally, are provided in a protruding manner through the support plates 94 and 95, respectively. Note that the receiving plate 94 has a flat root portion 9.
At the outer end of 6, there is a joint piece 9 with no obtuse angle with the outer root part 96.
7 and a receiving piece 99 bent at right angles at its outer edge, and the receiving piece 99
The tip of is located on a straight line passing through the root portion 96.

Note that the bosses 90 and 91 are provided with through holes 101. In addition, the bosses 90 and 91 are inserted into the through hole 101 when the contact piece 12 and the actuating piece 13 are held at right angles.
Protrusions 102, 102 are provided on the inner surface at symmetrical positions sandwiching the two. The bosses 90 and 91 are pivotally supported by a support shaft 18 extending horizontally at the front end of the protrusion 66 with an interlocking ring 103 forming the interlocking means 19 interposed therebetween.

The interlocking ring 103 has a long hole 10 in which the support shaft 18 moves radially outward from its center.
4, and in the elongated hole 104, grooves 105 and 106, which extend from the center of the interlocking ring 103 and into which the protrusion 102 can be fitted, are formed on both sides of the elongated hole 104, at right angles to the elongated hole 104, respectively.

Further, the interlocking ring 103 is provided with a guide rod 107 extending in the same direction as the elongated hole 104, and the guide rod 107 is
By the support shaft 109 pivoted by the protrusion 66,
It is prevented from rotating so that it can move forward and backward.

The contact piece 12 and the actuating piece 13 are connected to the support shaft 1.
A spring member 94 such as a torsion spring attached to each of the contact pieces 8 is biased to open outward, and the base portion 96 of the contact piece 12 comes into contact with the back surface of the front plate 41. Further, the piece 12 is attached with its lower end facing the locking hole 7.

In addition, in the initial state where the contact piece 12 and the actuating piece 13 are located at right angles, the support shaft 18 is as shown in FIG.
is located approximately at the center of the elongated hole 104, and each protrusion 102 is located near the outer end of the groove 105, 106, respectively.

On the other hand, when the piece 12 is pressed by the dead bolt 3 and tilted inward as shown in FIG. 11, its protrusion 102 pushes down the groove 105.
Therefore, the support shaft 18 moves relatively above the elongated hole 104, and the groove 106, which moves downward due to this movement, pushes down the protrusion 102 of the actuating piece 13, thereby pushing the actuating piece 13 down. , can be rotated by the interlocking means 19 about the base end 15 in a reverse direction so as to approach the contact piece 12.

When the actuating piece 13 is in its horizontal state,
The operating end 74 of the switch S is pressed. Therefore, when the dead bolt 3 abuts against the contact piece 12, the operating piece 13 quickly separates from the operating end 74, allowing the switch S to be turned on and off.

Note that the interlocking means 19 is as shown in FIG.
It can also be formed using gear pieces 111 and 112 provided at the base end portion 15 of the contact piece 12 and the actuating piece 13. At this time, by forming the pitch circle diameter of the gear piece 111 of the contact piece 12 to be large, the actuating piece 13 can be rotated quickly.

The interlocking means 19 can also be formed by using links 113 and 114 that are pivotally connected to the rear surfaces of the contact piece 12 and the actuation piece 13, and a guide groove 115 that guides the other end pivot point. The lever 11
3 and 114 pass through the guide groove 115, the actuating piece 13 can be tilted in the opposite direction.

[Effect]

The lock body 4 and the receiver 10 are then attached to the door 2 and the frame 5. Also, when the door is closed, thumb turn 3
1 or the dead bolt 3 that advances when the key inserted into the key receiver 32 is operated, causes the contact piece 12 of the operating metal fitting 9 to tilt backward. Also, with the backward tilt, the actuating piece 13
is interlocked by the interlocking means 19 and tilts forward in the opposite direction, turning the switch S on and off. It also activates electrical appliances connected to Switch S, such as the lock confirmation lamp and interior lights. When the dead bolt 3 retreats, the contact piece 12 and the actuating piece 13 are opened by the spring member 98, and the actuating piece 13 comes into contact with the switch S again.

Moreover, since the contact piece 12 and the actuating piece 13 rotate in opposite directions, even when the base end 15 is positioned in front of the box body 6 and installed, the switch S is placed close to the actuating piece 13 and rotated outside of it. In addition, the depth of the box body 6 can be reduced, which can be useful for downsizing the box body 6. In addition, the length of the contact piece 12 can be reduced, and by increasing the rotation angle of the contact piece 12 with the dead bolt 3, the actuating piece 13 can operate quickly, and the operating sensitivity of the switch S can be improved. It can be improved.

Further, in this embodiment, the box body 42 of the box body 6 is:
Large cutouts 64 and 65 are provided in the side plate 62. Therefore, the box body 42 can be easily deformed vertically, and the box body 42 and the folding frame 4 can be easily deformed as shown in FIG.
The deformation due to the difference in thermal expansion coefficient between the box body 4 and
2 can be easily absorbed and prevent its damage. Further, since the cutout portions 64 and 65 are provided, the width of the box body 42 can be reduced to the width of the switch S. In addition, the thickness of the side piece 50 side of the bending frame 47 is reduced, so that in the case of a so-called surface-mounted lock in which the lock body 4 is attached to the interior surface of the door 2, a dead bolt can be used as shown in FIG. Distance G between 3 and the interior surface of door 2
Even when the dead bolt 3 and the box body 42 are small,
This prevents collision between the two and helps in downsizing the device.

〔Effect of the invention〕

As described above, the locking device of the present invention includes a lock main body that is attached to a door and includes a dead bolt, a switch in a box body that is attached to a frame toward which the door faces, and an operating metal fitting that includes a contact piece and an actuating piece that tilt in opposite directions. As the dead bolt is advanced, electric appliances such as interior lights can be operated conveniently by means of a switch. In addition, since the contact piece and the actuating piece tilt in opposite directions, it increases flexibility in mounting the switch, reduces the depth of the box body, and contributes to miniaturization of the device. Because it is pivoted, assembly is easy and the reliability of the device can be increased.

[Brief explanation of drawings]

Fig. 1 is a sectional view showing an example of the use of the device of the present invention, Fig. 2 is a front view illustrating the box body of the device of the present invention, Fig. 3 is a side view thereof, and Fig. 4 is a front plate attached. Fig. 5 is a cross-sectional view showing the operating state, Fig. 6 is an exploded perspective view, Fig. 7 is a diagram showing the action of the box body, and Fig. 8 is the installed state of the box body. 9 is an exploded perspective view schematically showing the actuating metal fittings, Figs. 10 and 11 are sectional views showing its operation, and Figs. 12 and 13 are front views showing other actuating fittings, and Figs. 14 and 13 are front views showing other actuating fittings. FIG. 15 is a diagram schematically showing a conventional device. 2... Door, 3... Dead bolt, 4... Lock body, 5... Frame body, 6... Box body, 7... Locking hole, 9
...Operating bracket, 10...Receptacle, 12...Piece, 1
3... Actuation piece, 18... Support shaft, 19... Interlocking means.

Claims (1)

[Claims] 1. A lock body equipped with a dead bolt that is attached to the door and can move forward and backward, and a box body that is attached to the frame toward which the door faces. A locking hole into which the dead bolt is inserted as it advances is provided on the front side of the lock body, and a switch and an operating metal fitting are provided in the box body. The actuating metal fitting includes an abutment piece that abuts against and retreats from the dead bolt advancing through the locking hole, and an abutment piece that is connected to the abutment piece through an interlocking means and that faces oppositely to the corresponding piece. A locking device comprising an actuation piece that turns on and off to turn the switch on and off, and in which the proximal ends of the actuation piece and the actuation piece are both pivotally supported at the front part of the box body.