JP2001032656A - Shutter locking/unlocking device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a locking/unlocking device capable of unlocking and opening a shutter curtain in an optional position in the width direction of the shutter curtain without a shift from one hand to the other. SOLUTION: This shutter locking/unlocking device 21 is provided with a shutter curtain moved in the state of both side edge parts being engaged with a pair of rails 43 opposedly arranged with an opening held in between; an operating bar 33 formed of a long-sized member long in both directions and provided at the shutter curtain so as to be slidable in the same direction as the opening/closing direction of the shutter curtain; a locking part 47 provided at the rail 43 and protruded toward the opening; a latch member 49 provided at the shutter curtain and movable forward and backward so that the tip 49a is projected from an edge part 25; an energizing means 55 energizing the latch member 49 in the projecting direction to lock the latch member 49 to the locking part 47; and a flexible wire body 57 tightly stretched to the latch member 49 at one end and tensed by the slide of the operating bar 33 to move the latch member 49 backward in a direction of being drawn into the edge part 25.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for locking and unlocking a shutter provided at an opening of a building such as a window of a house.

[0002]

2. Description of the Related Art A window, which is an opening of a building such as a house, is sometimes provided with a vertically movable shutter. This shutter has a pair of opposed rails sandwiching a window from the left and right, and a shutter curtain that moves by engaging both side edges of the rail and opens and closes the window. At the bottom edge, which is the tip of the shutter curtain in the moving direction,
A long skirting board 1 is connected to the shutter curtain as shown in FIG. The skirting board 1 is provided with a shutter locking device 3 for locking a shutter curtain with a window closed.

The locking device 3 has a latch member 7 projecting from the longitudinal end of the baseboard 1 toward the rail 5. The latch member 7 is slidable in the protruding direction. On the other hand, a locking portion 9 for locking the latch member 7 is provided below the rail 5 corresponding to the lower end of the window. The latch member 7 is constantly urged toward the rail 5 by a spring member (not shown). Therefore, when the shutter curtain is moved to the closing position of the window, the tip of the latch member 7 urged by the spring member engages with the locking portion 9 of the rail 5, and the shutter curtain cannot be lifted and is closed. Locked in state.

A swing lever 11 is pivotally supported at a predetermined position in the longitudinal direction of the baseboard 1. The above-described latch member 7 is connected to both ends of the swing lever 11 that sandwich the pivot 13. Therefore, the latch member 7 is connected to the swing lever 1.
By swinging 1, it is drawn to the center side of baseboard 1. As a result, the tip of the latch member 7 engaged with the locking portion 9 is
, And the lock is released.

[0005]

However, in the above-described conventional shutter locking / unlocking device, the swing lever is provided at one position in the longitudinal direction of the baseboard, for example, at the central portion in the longitudinal direction. For this reason, in order to operate the swing lever, the sash window located on the indoor side of the shutter curtain must be opened to a position where the swing lever can be operated. That is, when the swing lever is provided at the center in the longitudinal direction of the baseboard, the pulling sash window on one side must be fully opened.

[0006] Further, the unlocking means is a swing lever,
Since the operation is different from the direction in which the shutter curtain is opened, after the lock release operation, the shutter curtain cannot be released by holding the swing lever as it is. Had to be released.

Therefore, in order to solve the above-mentioned problems, the present invention provides a series of operations for unlocking and opening the shutter curtain at an arbitrary position in the shutter curtain width direction without changing hands. An object of the present invention is to provide a locking and unlocking device for a shutter.

[0008]

The structure of the present invention for achieving the above object will be described with reference to the drawings corresponding to the embodiments.
1 is a pair of rails 4 that are opposed to each other with the opening 45 therebetween.
3 is moved by engaging the edges 25 on both sides.
A shutter curtain 27 for opening and closing the shutter 5, an operation unit 33 provided on the shutter curtain 27 and slidable in the same direction as the opening and closing direction of the shutter curtain 27, and protruding toward the opening 45 provided on the rail 43. A latching member 47 provided on the shutter curtain 27, a latching member 49 which can move forward and backward such that a tip 49 a protrudes from the edge 25 side toward the rail 43, and a latching member 49. Urging means 55 for urging the latch member 49 into the latching portion 47 by projecting the latch member 49 at one end thereof and tensioning the slide member 47 by applying a tension to the latch member 49 to slide the latch member 49. And a flexible wire body 57 for retreating in a direction of being drawn into the edge portion 25 side.

In the shutter locking / unlocking device 21, the operating portion 33 is formed of a long material so that the longitudinal direction is provided on both sides of the shutter curtain 27. The lock can be released by the operation unit 33 at the position. Therefore,
As in the conventional structure in which the swing lever is provided at the central portion in the longitudinal direction of the baseboard 29, the lock can be released without fully opening the sliding sash window on one side. The operation unit 33
However, the shutter curtain 27 is slidable in the same direction as the opening / closing direction of the shutter curtain 27, and unlocking and opening operation of the shutter curtain 27 can be performed by a series of operations without holding hands.

A shutter locking / unlocking device according to claim 2
1 is a pair of rails 4 that are opposed to each other with the opening 45 therebetween.
3 is moved by engaging the edges 25 on both sides.
A shutter curtain 27 for opening and closing the shutter 5, an operation unit 33 provided on the shutter curtain 27 and slidable in the same direction as the opening and closing direction of the shutter curtain 27, and protruding toward the opening 45 provided on the rail 43. A locking portion 93 which can be retracted from the protruding position and is swingably supported by the shutter curtain 27. At one of the swinging end positions, a tip 79 has the rail 4 from the edge 25 side.
A latch member 73 projecting in the direction of arrow 3 and retracting in a direction in which the tip 79 projecting at the other swing end position is retracted from the edge 25 side;
And a stopper 91 which is disposed at a position for preventing the swing in the direction of the other swing end position 3 and which is retracted from the position by sliding of the operation portion 33.

In the shutter locking / unlocking device 71, as in the shutter locking / unlocking device 21 according to the first aspect, unlocking by the operation unit 33 can be performed at any position on both sides of the shutter curtain 27. In addition to unlocking and opening the shutter curtain 27 through a series of operations, the latch member 73 is provided to be swingable, and the swing of the latch member 73 can be prevented by the stopper 91. , The latch member 73 can be prevented from being pulled in, and unlocking of the parts other than the operation unit 33 can be reliably prevented.

A shutter locking / unlocking device 1 according to claim 3.
Reference numeral 01 denotes a shutter curtain 27 that engages with a pair of rails 43 that are opposed to each other across an opening 45 to move the edge 25 on both sides to open and close the opening 45, and is provided on the shutter curtain 27. , The shutter curtain 27
An operating portion 33 slidable in the same direction as the opening and closing direction of the shutter curtain, a locking portion 93 provided on the rail 43 and protruding toward the opening 45 and capable of retracting from the protruding position, and the shutter curtain 27. The tip 79 is swingably supported, and a tip 79 protrudes from the edge 25 side toward the rail 43 at one swing end position, and the tip 79 projects at the other swing end position. A latch member 73 that retreats in the direction of being pulled in from the part 25 side, and one end is stretched over the latch member 73 and tension is applied by sliding of the operation part 33 to move the latch member 73 to the other swing end position. And a flexible wire body 57 for swinging.

In the shutter locking / unlocking device 101,
Similar to the shutter locking / unlocking device 21 according to claim 1,
At any position on both sides of the shutter curtain 27, the lock can be released by the operation unit 33, and the lock can be released and the shutter curtain 27 can be opened by a series of operations. The latch member 73 is swingable by sliding the operation unit 33 through the flexible wire 57, and the length of the flexible wire 57 is changed by changing the length of the flexible wire 57. It is possible to easily deal with shutter curtains 27 of different sizes.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a shutter locking / unlocking device according to the present invention will be described below in detail with reference to the drawings. FIG. 1 is a side view showing an external appearance of a locking and unlocking device according to a first embodiment of the present invention, FIG.
3 is a front view showing the internal structure of the edge of the skirting board, FIG. 4 is a view taken in the direction of arrows BB in FIG. 3, and FIG. 5 is an explanatory diagram showing an operation situation when the locking and unlocking device shown in FIG. FIG. 6 is an explanatory diagram of the operation of the locking and unlocking device shown in FIG. 1 at the time of locking, and FIG. 7 is an explanatory diagram of the operation of the locking and unlocking device shown in FIG. 1 at the time of unlocking.

As shown in FIGS. 1 and 2, a shutter 23 provided with a locking / unlocking device 21 according to the present embodiment is mounted on a pair of rails opposed to each other across an opening 45 of a building such as a window of a house. It has a shutter curtain 27 that moves by engaging the edges 25 on both sides and opens and closes the opening 45.
At the lowermost end, which is the leading end of the shutter curtain 27 in the moving direction, a skirting board 29 which is a substantially strip-shaped elongated member that is long in the left-right width direction (the direction of arrow X in FIG. 2) which is a direction on both sides of the shutter curtain 27. Is provided. Door stop members 31 are screwed to both ends in the longitudinal direction of the baseboard 29 on the outdoor side.

An operation bar 33 as an operation unit is provided on the indoor side surface of the baseboard 29. This operation bar 33
Is a long member that is formed in a substantially inverted L-shaped cross section and is long in the arrow X direction in the figure along the longitudinal direction of the baseboard 29. FIG.
As shown in FIG.
At least two long holes 35 which are long in the vertical direction (the direction of the arrow Y in FIG. 3), which is the opening and closing direction, are formed at intervals in the longitudinal direction of the baseboard 29. As shown in FIG. 4, the operation bar 33 is provided with a pair of through holes 37 at the same pitch as the elongated holes 35. A screw 39 is inserted into the through hole 37 of the operation bar 33. The screw 39 is an elongated hole 35 of the baseboard 29.
, And a plate nut 41 is screwed to the end.
That is, the operation bar 33 is slidable up and down in the same direction as the opening and closing direction of the shutter curtain 27 (the direction of the arrow Y in the drawing), and is attached to the baseboard 29.

Each of the pair of rails 43 has a locking portion 47 projecting toward the opening 45 inside a groove bottom at a lower portion corresponding to the lower end of the window as shown in FIG.
Is provided. The locking portion 47 is formed in a substantially triangular shape in a front view in which an upper surface is an inclined surface 47a having a downward slope toward the opening 45 and a lower surface is a horizontal surface 47b.
A latch member described later provided on the baseboard 29 is locked to the locking portion 47.

A strip-shaped key bar 49, which is a latch member, is provided on the edge 25 that moves in the rails 43 on both sides in the longitudinal direction of the skirting board 29. It is attached so as to coincide with the arrow X direction in the figure). A long hole 51 long in the longitudinal direction of the key bar 49 is formed in the base end 49 b of the key bar 49. A support shaft 53 such as a rivet is inserted into the long hole 51, and the support shaft 53 is fixed to the baseboard 29. Therefore, the key bar 49 slides in the direction of the arrow X in the drawing, which is the longitudinal direction of the baseboard 29, within the range in which the long hole 51 moves relative to the support shaft 53. As a result, the key bar 49 has
It is possible to advance and retreat from.

The amount of movement M of the key bar 49 moves forward and backward.
Is set to be larger than at least the locking height h of the locking portion 47.

Also, the base board 4 of the key bar 49 is attached to the baseboard 29.
A torsion coil spring 55 serving as an urging means is disposed near 9b, and the torsion coil spring 55 always urges the key bar 49 in the projecting direction. Therefore, the key bar 49 urged by the torsion coil spring 55 is
7 is moved downward in the direction of being retracted against the biasing force of the torsion coil spring 55 by receiving a reaction force from the locking portion 47 when the locking member 47 comes into contact with the locking portion 47 by being lowered. After that, the torsion coil spring 55 again urges and protrudes and locks the locking portion 47.

As shown in FIG.
One end of a wire 57, which is a flexible wire, is stretched over b. The other end of the wire 57 is connected and fixed to the key bar 49 on the opposite side, for example. Note that the other end of the wire 57 may be fixed to the baseboard 29. In this case, each key bar 49 has a total of two wires 57
Will be stretched. The baseboard 29 is provided with a pair of support rollers 59, 59 with the plate nut 41 interposed therebetween. The wire 57 is stretched over the support rollers 59, 59, and the space between them is stretched over a sleeve 61 which is externally inserted into the screw 39. In addition, wire 5
7 has an appropriate portion stretched by a guide roller 63 and has its direction changed to a predetermined direction.

Accordingly, when the operation bar 33 is slid upward in FIG. 4, the wire 57 is tensioned, and moves the key bar 49 backward in the direction of drawing the key bar 49 into the edge 25.

Next, the locking / unlocking device 2 configured as described above
1 will be described. When the shutter curtain 27 is closed and lowered to bring the key bar 49 into contact with the inclined surface 47 a of the locking portion 47, the key bar 49 receives a reaction force from the locking portion 47 and the torsion coil spring 55 It is retracted and moved in the retreating direction against the urging force. The key bar 49 is
Is moved again in the protruding direction by the urging force of the torsion coil spring 55 and locked by the locking portion 47. As a result, the shutter curtain 27 enters the locked state shown in FIG. In this state, the shutter curtain 27
Even when an external force in the opening direction (upward direction in FIG. 6) is applied, the key bar 49 abuts on the horizontal surface 47b of the locking portion 47, and the opening of the shutter curtain 27 is prevented.

On the other hand, to release or unlock the locked state of the shutter curtain 27, the operation bar 33 is slid in the opening direction of the shutter curtain 27, ie, upward, as shown in FIG. For example, as shown in the figure, the operation bar 33 slides by holding the thumb on a horizontal protruding plate 65 protruding from the upper edge of the skirting board 29 and holding the other finger on the operation bar 33 to grip each other. Can be easily performed by the operation of narrowing the interval between the two. At this time, the operation bar 33
2 is long in the direction of the arrow X in FIG. 2, it can be gripped at any position in the left and right width directions of the shutter curtain 27.

When the operation bar 33 is slid upward, the sleeve 61 is moved upward along the elongated hole 35 as shown in FIG. 57 is pulled upward. Accordingly, tension is applied to the wire 57, and the key bar 49 is moved in the retracting direction against the urging force of the torsion coil spring 55. As a result, the locking state of the tip 49a of the key bar 49 with the locking portion 47 is released, the key bar 49 is released from the locking portion 47 and unlocked, and the shutter curtain 27 can be opened.

The shutter curtain 27 can be opened.
While the operation bar 33 is slid upward,
By being further lifted upward, the operation bar 33 is released by a force in the same direction as the unlocking direction.

That is, in the locking / unlocking device 21, the longitudinal direction of the operation bar 33 of the long material is
7 so as to be unlocked by the operation bar 33 at an arbitrary position in the left-right width direction of the shutter curtain 27. Therefore, the unlocking operation can be performed without fully opening the sliding sash window on one side as in the conventional structure in which the swing lever is provided at the center in the longitudinal direction of the baseboard 29. Further, the operation bar 33 is in the same direction as the opening and closing direction of the shutter curtain 27 (arrow Y direction in the figure).
Therefore, the shutter curtain 27 can be unlocked and the shutter curtain 27 can be opened by a series of operations of opening the shutter curtain 27 without holding hands.

Further, since the key bar 49 is connected by the wire 57, the device can be constructed without using the long key bar 49, and the locking device can be reduced in weight.

The key bars 49 do not necessarily have to be paired on the left and right sides. The key bars 49 project from at least one edge 25 of the baseboard 29, and the leading end 49 a of the key bar 49 is locked by the locking portion 47 on the rail 43. I just need.

Next, a second embodiment of the shutter locking and unlocking device according to the present invention will be described. FIG. 8 is a front view showing the internal structure of the edge of the skirting board of the second embodiment according to the present invention,
FIG. 9 is a front view showing the unlocking device of FIG. 8 when unlocked. The same members as those shown in FIGS. 1 to 7 are denoted by the same reference numerals, and redundant description will be omitted.

The locking / unlocking device 71 according to this embodiment comprises:
A key claw 73 as a latch member swings around the swinging shaft 75 in the front and back direction (arrow Z direction (see FIG. 4)) of the baseboard 29 at the edge 25 moving in the rail 43 of the baseboard 29. It is provided freely. The key nail 73 is formed in a substantially T-shape by a strip-shaped base member 77 that is long in the vertical direction, and a claw portion 79 as a tip horizontally projecting from the substantially central portion of the base member 77 in the vertical direction toward the edge 25 side. Is formed.

The key claw 73 is arranged in a direction in which the longitudinal direction of the base member 77 is vertical (the direction indicated by the arrow Y in FIG. 8), and the claw portion 79 extends horizontally from the edge 25 of the baseboard 29 (see FIG. 8). Middle arrow X
Direction). The claw portion 79 is normally protruded from the edge portion 25 by the base member 77 being biased by the torsion coil spring 81.

A connecting pin 83 is fixed below the base member 77. On the other hand, at the lower edge of the skirting board 29, a support plate 85 is protruded horizontally, and on the support plate 85, a sliding plate 87 is provided.
9 is slidably mounted in the longitudinal direction (the direction of arrow X in the figure). The sliding plate 87 is provided with a long hole 89 extending in the vertical direction (the direction of the arrow Y), and the connecting pin 83 of the key nail 73 is engaged with the long hole 89. That is, the sliding plate 87 follows the swing of the key claw 73 and moves in the longitudinal direction of the baseboard 29 (arrow X).
Direction).

The key claw 73 has the claw 79 at the tip protruding from the edge 25 at one swing end position, which is the swing position shown in FIG. 8, and moves counterclockwise from the state of FIG. The protruding claw 79 at the other swinging end position shown in FIG. 9 which is disposed by being rotated is drawn in from the edge 25 and retreats.

A long hole 35 is formed in the baseboard 29. The elongated hole 35 is provided at a position corresponding to the rear end of the sliding plate 87 when the key claw 73 is located at one swing end position. The elongated hole 35 is elongated in a direction perpendicular to the longitudinal direction of the baseboard 29, that is, in the same direction as the moving direction of the shutter curtain 27, and a pin-shaped stopper 91 is inserted in place of the screw 39 described above. ing. This stopper 91
Also, similarly to the screw 39 described above, it is fixed to the operation bar 33. That is, the operation bar 33 is the shutter curtain 2
By sliding in the same direction (the direction of the arrow Y in the figure) as the movement direction of the stopper 7, the stopper 91 is also moved along the elongated hole 35.

Since the stopper 91 is located below the elongated hole 89, it comes into contact with the rear end of the sliding plate 87 and regulates the sliding of the sliding plate 87 (see FIG. 8). Thereby, the key nail 73 is
The swing in the direction of the other swing end position is prevented. The stopper 91 is retracted from a position where the sliding of the sliding plate 87 is restricted by operating the operation bar 33 upward (see FIG. 9).

The rail 4 used in the present embodiment
The upper end 93a of the locking portion 93 in the inside 3 is rotatably attached via a shaft 94. Further, an urging member 95 is provided in the locking portion 93, and the urging member 95 is configured to move the locking portion 93 to the position shown in FIG.
In the counterclockwise direction. However, the locking portion 93
The rotation of the is restricted by a restricting means so as not to protrude beyond a predetermined height. That is, this locking portion 93
Can be retracted from the projecting position by resisting the urging force of the urging member 95.

Next, the locking / unlocking device 7 configured as described above
1 will be described. When the shutter curtain 27 is lowered by the closing operation and the key claw 73 comes into contact with the locking portion 93, the locking portion 93 receives a reaction force from the key claw 73 and resists the urging force of the urging member 95. Is moved backward. Locking part 9
After the key pawl 73 has passed, 3 is moved in the protruding direction again by the urging force of the urging member 95 and locked to the key pawl 73. As a result, the shutter curtain 27 is locked. In this state, even if an external force in the opening direction (upward in FIG. 8) is applied to the shutter curtain 27,
Abuts against the locking portion 93 to prevent the shutter curtain 27 from being opened.

On the other hand, to release or unlock the locked state of the shutter curtain 27, the operation bar 33 is slid in the opening direction of the shutter curtain 27, that is, upward. When the operation bar 33 is slid upward, as shown in FIG. 9, the stopper 91 is moved upward along the long hole 35, and the restriction of the slide plate 87 is released.
As a result, the key claw 73 abutting on the locking portion 93 can rotate counterclockwise, and the shutter curtain 27 can be opened.

That is, in the locking and unlocking device 71 of the second embodiment, the locking and unlocking device 2 of the first embodiment is used.
Similarly to 1, the locked state can be released by the operation bar 33 at an arbitrary position in the width direction of the shutter curtain 27. Further, the operation bar 33 is provided with the shutter curtain 2.
7, so that it is slidable in the same direction as the opening and closing direction (the direction of arrow Y in the figure).
The unlocking and the opening of the shutter curtain 27 can be performed by a series of operations of opening the shutter curtain 27. In addition, the key claw 73 is provided so as to be swingable, and the rocking of the key claw 73 can be prevented by the stopper 91. Therefore, the key claw 73 can be prevented from being pulled in by an external force, and the unlocking of the parts other than the operation bar 33 can be reliably performed. Is prevented.

The key 73 of the locking / unlocking device 71 is
Using the wire 57 used in the locking and unlocking device 21 of the first embodiment described above, the rocking can be performed. FIG.
FIG. 11 is a front view showing a modification of the second embodiment, and FIG. 11 is a front view showing a state at the time of unlocking in FIG. In this modification, the stopper 91 is omitted, a wire 57 is stretched around the base end of the slide plate 87, and the wire 57 is supported by supporting rollers 59, 59 having the same configuration as that of the first embodiment. It is stretched over the sleeve 61.

Therefore, when the operation bar 33 is slid upward, as shown in FIG.
The wire 57 that has been moved upward along the support roller 5 and stretched between the support rollers 59, 59 is pulled upward. Therefore, tension is applied to the wire 57 and the key nail 73
Is swung in the retracting direction against the urging force of the torsion coil spring 81. Thereby, the key nail 73 is released from the locking portion 93 and unlocked, and the shutter curtain 27 can be opened.

According to the locking / unlocking device 101 according to this modification, the key claw 73 is provided so as to be swingable, and the key claw 73 can be swung by sliding the operation bar 33 via the wire 57. Accordingly, by changing the length of the wire 57, it is possible to easily cope with the shutter curtains 27 having different lengths in both side directions.

In the above-described embodiment, an example has been described in which the locking / unlocking devices 21, 71, 101 are provided on the lowermost skirting board 29 which is the front end in the moving direction of the shutter curtain 27. Such a locking / unlocking device may be provided on a component that forms an intermediate portion of the shutter curtain 27.

In the above embodiment, the operation unit 33
Has been described as an example of a configuration in which the operation bar is a long member along the longitudinal direction of the baseboard 29. The shape of the operation bar is a continuous long member that is long in both directions of the shutter curtain 27. It may be configured as a plurality, or a plurality may be configured intermittently including at least the vicinity of both edges. In the case of a configuration in which the plurality of operation units are intermittent, a configuration is adopted in which operation bars formed in a short strip shape are connected to each other.

As shown in FIG. 12, for example, as shown in FIG. 12, each operation bar 133 is formed in a short strip shape, and each operation bar 133 is formed by the operation bar 133 as described above. In the same manner as in the first embodiment, the members having a substantially inverted L-shaped cross section are continuous.
A link member 134 is connected between the mutually adjacent ends of the three, and each operation bar 133 is connected via the link member 134. According to this configuration, by operating any one of the plurality of operation bars 133, the respective operation bars 133 are linked by the link member 134, and thereby,
The configuration is such that tension is generated in the wire and unlocking is performed.

As shown in FIG. 13, each of the operation bars 233 is formed in a short rectangular shape as described above, and each of the operation bars 233 is substantially L-shaped in cross section in substantially the same manner as in the above-described embodiment. A long hole 234 is formed in the end portion of the operation bar 233 adjacent to each operation bar 233 in the same direction as the moving direction of the shutter curtain 27 so as to be a member having a continuous shape. The parts are overlapped with each other, penetrated through the long hole 234, and connected by the pin 235. According to this configuration, the plurality of operation bars 233
When any one of the operations is operated, only the operated operation bar 233 is operated, whereby a tension is generated in the wire and the lock is released.

Furthermore, in the above-described embodiment, an example of a configuration in which the locking portions 47 and 93 are provided in the rail 43 and the latch members (the key bar 49 and the key claw 73) protrude into the rail 43 will be described. However, the locking portions 47 and 93 are
3 may be disposed on the outer surface of the rail 43, for example, as shown in FIGS. 14 (a) and 14 (b).
A bracket 121 having a U-shaped cross section is provided at the lower part of the
7, 93 may be provided. In this case, the shutter curtain 27 is positioned at, for example, a baseboard 29,
The locking / unlocking device 21, 7 according to the present invention is provided on one side of the baseboard 29.
1, 101 and 101 are provided so as to be superposed, and the baseboard 29 and the locking / unlocking devices 21, 71, 101 are substantially integrated with each other, and the latch members 49, 73 project from the edge 25. The stop portions 47 and 93 are located on the outside surface of the rail 43 on the indoor side, and the locking / unlocking devices 21, 71 and 101 are arranged on the indoor surface of the shutter curtain 27. With such a configuration, the locking and unlocking devices 21 and 7 can be attached to the existing shutter curtain 27 by retrofitting.
1 and 101 can be provided.
A configuration can be adopted in which the positions of the latch members 7 and 93 and the latch members 49 and 73 can be easily adjusted, and furthermore, the security on the indoor side is improved.

Further, in the above-described embodiment, the shutter curtain 27 having the locking / unlocking devices 21, 71, 101 is provided.
Although the example of opening and closing in the vertical direction has been described, the locking and unlocking device according to the present invention may be provided in an opening and closing body that opens and closes in the horizontal direction, the horizontal direction, and the inclined direction.

In each of the above embodiments, the shutter curtain 27 includes, for example, the skirting board 29 and is formed by connecting a plurality of strip-shaped or panel-shaped slat materials, or a single panel material. And the like. The locking / unlocking devices 21 and 7 in the above-described embodiment may be configured.
1, 101 may be provided on the baseboard 29, slat material, panel material, or the like, which is a component of the shutter curtain 27. Further, the configuration as a shutter, for example, winding type, slide feeding type, folding type, etc.
Any structure may be used.

[0051]

As described above in detail, according to the shutter locking and unlocking device of the first aspect of the present invention, the operating portion is provided on the shutter curtain, and one end of the flexible wire is stretched over the latch member. Since the tension is applied to the flexible wire body by sliding the operation unit to retract the latch member, the lock can be unlocked by operating the operation unit at any position on both sides of the shutter curtain. Further, since the operation unit is slidable in the same direction as the opening and closing direction of the shutter curtain, the locked state is released and the shutter curtain is opened by a series of operations of opening the shutter curtain without holding the hand. Operability can be improved.

The shutter locking / unlocking device according to the second aspect is similar to the shutter locking / unlocking device according to the first aspect.
In addition to being able to release the locked state at any position in the width direction on both sides of the shutter curtain, unlocking and opening the shutter curtain can be performed by a series of operations, and a swingable latch Since the member is provided and a stopper for preventing the swing of the latch member is provided, it is possible to prevent the latch member from being pulled in by an external force, and to prevent unlocking other than the operation of the operation unit, thereby improving the locking reliability. Can be enhanced.

The shutter locking / unlocking device according to the third aspect is similar to the shutter locking / unlocking device according to the first aspect.
In addition to being able to release the locked state at any position in the width direction on both sides of the shutter curtain, unlocking and opening the shutter curtain can be performed by a series of operations, and a swingable latch Since a flexible member for applying tension by sliding the operating portion is stretched on the latch member, shutters having different lengths in the width direction only by changing the length of the flexible member. It can easily respond to curtains.

[Brief description of the drawings]

FIG. 1 is an external side view showing a locking / unlocking device according to a first embodiment of the present invention.

FIG. 2 is a view taken in the direction of arrows AA in FIG. 1;

FIG. 3 is a front view showing the internal structure of a skirting board edge.

FIG. 4 is a view taken in the direction of arrows BB in FIG. 3;

FIG. 5 is an explanatory diagram showing an operation state when unlocking the locking and unlocking device shown in FIG. 1;

FIG. 6 is an explanatory diagram of the operation of the locking and unlocking device shown in FIG. 1 when locking.

FIG. 7 is an explanatory view of the operation of the locking and unlocking device shown in FIG. 1 when unlocking;

FIG. 8 is a front view showing the internal structure of a skirting board edge according to the second embodiment of the present invention.

FIG. 9 is a front view showing a state when the locking and unlocking device in FIG. 8 is unlocked.

FIG. 10 is a front view illustrating a modification of the second embodiment.

11 is a front view showing a state at the time of unlocking in FIG.

FIG. 12 is a schematic perspective view showing a locking / unlocking device according to another embodiment.

FIG. 13 is a schematic perspective view showing a locking / unlocking device according to another embodiment.

14A is a plan cross-sectional view of a rail in a locking and unlocking device according to another embodiment, and FIG. 14B is a schematic front view of the rail.

FIG. 15 is a front view showing a part of a shutter provided with a conventional locking / unlocking device.

[Explanation of symbols]

 21, 71, 101: shutter locking / unlocking device 25: edge portion 27: shutter curtain 33: operating portion 43: rail 45: opening portion 47, 93: locking portion 49: latch member (key bar) 49a: tip 55, 81: biasing means (torsion coil spring) 57: flexible wire (wire) 73: latch member (key claw) 79: tip (claw) 91: stopper

Claims (3)

[Claims] 1. A shutter curtain, which is engaged with a pair of rails disposed opposite to each other with an opening therebetween and moves by engaging edges on both sides to open and close the opening, and provided on the shutter curtain, the shutter curtain An operating portion slidable in the same direction as the opening / closing direction of the locking device; a locking portion provided on the rail and protruding toward the opening; and a tip provided on the shutter curtain and having a tip from the edge side toward the rail. A latch member that can move forward and backward so as to protrude toward, a biasing unit that biases the latch member in a protruding direction to lock the latch member with the locking portion, and one end of the latch member that is stretched over the latch member. A flexible wire body to which a tension is applied by a slide of an operation unit to retreat in a direction in which the latch member is drawn toward the edge, and a flexible line unlocking device for a shutter. 2. A shutter curtain, which is engaged with a pair of rails opposed to each other with an opening therebetween and moves by engaging edges on both sides to open and close the opening, and provided on the shutter curtain, wherein the shutter curtain is provided. An operating portion that is slidable in the same direction as the opening and closing direction of the locking device; a locking portion that is provided on the rail and protrudes toward the opening and that can retreat from the protruding position; and is swingably supported by the shutter curtain. At the one swing end position, the tip protrudes from the edge side toward the rail, and at the other swing end position, the tip protrudes from the edge side and retracts in the direction of being pulled in from the edge side. A latch member, and a stopper disposed at a position for preventing the latch member from swinging to the other swing end position and retracted from the position by sliding of the operation unit. Unlocking device shutter, characterized in that the. 3. A shutter curtain that moves by engaging the edges on both sides with a pair of rails that are opposed to each other across the opening, and that opens and closes the opening. An operating portion that is slidable in the same direction as the opening and closing direction of the locking device; a locking portion that is provided on the rail and protrudes toward the opening and that can retreat from the protruding position; and is swingably supported by the shutter curtain. At the one swing end position, the tip protrudes from the edge side toward the rail, and at the other swing end position, the tip protrudes from the edge side and retracts in the direction of being pulled in from the edge side. A latch member; and a flexible wire that has one end stretched over the latch member and is provided with tension by sliding the operation unit to swing the latch member to the other swing end position. Unlocking device shutter, wherein.