JP3079037B2 - shutter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shutter, and more particularly, to a shutter with improved operability of a lock mechanism.

[0002]

2. Description of the Related Art A sash is provided at an opening such as a window or an entrance of a building, and a shutter is attached to the outside of the sash for crime prevention or rain prevention (see, for example, JP-A-4-5385). ).

In such a shutter, a lock mechanism (also referred to as a locking device) for locking the shutter plate to a closed position is provided. For example, JP-A-6-30
The shutter lock mechanism described in Japanese Patent Application Laid-Open No. 7176 has a lock rod that protrudes and retracts from both left and right sides of an end plate portion (also referred to as an end slat) of a shutter plate by a locking and unlocking operation. Is configured to be locked by being fitted into a receiving seat provided in the guide groove.

[0004]

However, in the conventional shutter as described above, since the lock mechanism is fixed at a predetermined position, depending on the type of the sash, even if the shoji is opened, the lock mechanism is not used. However, there is a problem that the lock mechanism is difficult to operate because it is hidden behind the shoji. For example, in the case of a pulling sash, whether to open the sliding door to the left or to the right is determined by the arrangement of furniture, etc.If the sliding door must be brought to the side where the lock mechanism is provided, it is hidden by the sliding door. Therefore, the operation of the lock mechanism becomes difficult.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a shutter capable of moving a lock mechanism to a position where the lock mechanism can be easily operated and improving operability.

[0006]

According to a first aspect of the present invention, there is provided a shutter provided integrally or separately on an outdoor side of a sash provided at an opening of a building. A lock mechanism for locking the end plate of the shutter plate in the closed position on the end plate of the shutter plate for opening and closing the opening can be fixed to a desired position in the left and right direction of the end plate.
And a lock receiving portion of the lock mechanism is provided at a position where the end plate portion abuts at a closed position.

In the shutter according to the second aspect, a lock mechanism for locking the shutter at a closed position is provided on an end plate portion of the shutter plate for opening and closing the opening so as to be movable in the left-right direction. The lock receiving portion of the lock mechanism is provided on a lower frame where the portion abuts at the closed position so as to be movable in the left-right direction.

According to a third aspect of the present invention, a shutter mechanism for locking the shutter at a closed position is provided on an end plate portion of the shutter plate for opening and closing the opening so as to be movable in the left-right direction. The lock receiving portion of the lock mechanism is provided horizontally long in the left-right direction on the lower frame where the portion abuts at the closed position.

[0009]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

In FIGS. 3 and 4, reference numeral 1 denotes a frame of a building. The frame 1 has an opening 2 for a window. A window sash 3 is attached to the opening 2, and a shutter 4 is attached outside the sash 3.

The sash 3 is composed of an upper frame 5a, a lower frame 5b, and left and right vertical frames 5c. The sash frame 5 is assembled in a rectangular shape. Mainly composed of the shoji screens 6a and 6b. The shutter 4 includes a shutter box 9 that houses a hoisting drum 8 that winds up a shutter plate 7 that opens and closes the opening 2, and a shutter frame 10 that is positioned around the sash frame 5 and attached to the frame 1. It is mainly composed of

The shutter frame 10 includes left and right vertical frames 10.
a and the lower frame 10 bridged between the lower ends of the vertical frames 10a.
b. A ceiling blind plate 11 is stretched between the upper ends of both vertical frames 10a. The shutter box 9 is attached by hooking both rear portions on a hook member 12 attached to the outer surface of the frame 1 above the opening 2 and placing both lower portions on the upper ends of both vertical frames 10a.

The shutter plate 7 is formed by connecting metal plates (slats) vertically and horizontally in an elongated shape, and has an end plate (end slat) 13 at the lower end. As shown in FIGS. 1 and 2, the end plate portion 13 is formed in a substantially U-shaped cross section open to the indoor side, and a lock mechanism 14 described later can be moved in the left and right directions at its upper and lower edges. Guide pieces 15a, 15b for attaching to
Are integrally formed facing each other.

The lower frame 10b of the shutter frame 10 is formed with a groove 16 for accommodating the lower side of the end plate 13, and the bottom and rear surfaces of the groove 16 have lock receiving portions 1 to be described later.
Guide pieces 18a and 18b having an L-shaped cross section for mounting the movably in the left-right direction are integrally formed in the longitudinal direction. The end plate portion 13 is formed with a rain avoiding cover portion 13a that covers the front edge portion 16a of the lower frame 10b. The vertical frame 10a of the shutter frame 10 is provided with a guide groove 19 for guiding the end plate portion 13 and both side portions of the shutter plate 10 so as to be vertically movable.

A lock mechanism 14 for locking the end plate 13 at the closed position is provided on the indoor surface so as to be movable in the left-right direction. The lower frame 10b with which the end plate 13 abuts at the closed position is provided with the lock mechanism 14.
Are provided so as to be movable in the left-right direction.

The lock mechanism 14 has a main body 20 having a substantially U-shaped cross section. One side (right side) of the main body 20 has an inward support contacting the inside of the guide pieces 15a and 15b. The piece 20a is integrally formed by bending, and an outward support piece (also referred to as an outer support piece) 20b that contacts the outside of the guide pieces 15a and 15b is integrally formed by bending on the other side (left side). . A backing plate 21 abutting on the inside of the guide pieces 15a, 15b is attached to the outer support piece 20a with a screw 22, and the outer support piece 20b and the backing plate 21 allow the guide piece 15a,
The lock mechanism 14 can be fixed to a desired position in the left-right direction of the end plate 13 by sandwiching the lock 15b from the front and rear.

A back plate 23 is stretched between both sides of the main body 20, and a lock piece 24 is rotatably mounted between the back plate 23 and the main body 20 via a support shaft 25. .
One end of an operation lever 26 is rotatably attached to the main body 20 via a support shaft 27. The operation lever 26 extends laterally through a cutout 28 formed on one side of the main body 20. Has been issued. The lock receiving portion 17 is provided on the main body 20.
A notch 41 into which the receiving pin 29 is inserted from below is formed.

When the end plate 13 is lowered to the closed position, the lock piece 24 comes into contact with the receiving pin 29 of the lock receiving portion 17 and rotates from the release position to the locking position, and the receiving pin 29 is cut out. It is designed to be held inside 41 and locked,
The operating lever 26 has a cam groove 3 formed in the lock piece 24.
A locking portion 31 is formed to engage with the lock member 0 and maintain the locked state. On the support shaft 25, the locking portion 31 of the operation lever 26 is urged toward the cam groove 30 and the locking piece 24 is pressed.
A spring 32 is provided for urging the spring in the release direction. When the operation lever 26 is operated upward from the locked state,
When the locking portion 31 is separated from the cam groove 30, the lock piece 24 returns to the release position by the force of the spring 32.

The lock receiving portion 17 has a base portion 33 having an L-shaped section, and a horizontal portion 33a of the base portion 33,
The projections 33c formed in the vertical portion 33b and having an L-shaped cross section are used as guide pieces 15a, 15 in the groove 16 of the lower frame 10b.
b is slidably supported. A screw 34 for fixing the horizontal portion 33a of the base portion 33 to a desired position in the left-right direction (longitudinal direction) of the lower frame 10b is attached. The receiving pin 29 is attached to the vertical portion 33b in the outdoor direction. It protrudes horizontally.

The front edge 16a of the groove 16 of the lower frame 10b has a guide piece 35 at an intermediate position in the longitudinal direction for guiding the lower side of the end plate 13 into the groove 16 smoothly.
Is installed. Stoppers 3 are provided on both sides of the end plate portion 13 to stop the end plate portion 13 at the raised open position.
6 are attached.

In the shutter 4 configured as described above, by loosening the screw 22 for attaching the lock mechanism 14 to the end plate 13 of the shutter plate 7, the lock mechanism 14 can be moved in the left-right direction. When the lock mechanism 14 is moved to a desired position, the screw 22 may be tightened and fixed. Also, the lower frame 10 of the shutter frame 10
By loosening the screw 34 attaching the lock receiving portion 17 to b, the lock receiving portion 17 can be moved in the left-right direction, and if the lock receiving portion 17 is moved to a position corresponding to the lock mechanism 14, Then, the screws 34 may be tightened and fixed.

According to the shutter 4, the opening 2 of the building
A lock mechanism 14 for locking the shutter plate 7 in the closed position is provided on the end plate portion 13 of the shutter plate 7 that can be opened and closed so as to be movable in the left-right direction. The mounting position of the lock mechanism 14 can be easily set at a position that is easy to operate and is not hidden behind the sliding doors 6a and 6b, thereby facilitating the unlocking operation and improving the operability.

Further, since the end plate portion 13 of the shutter plate 7 is locked to the lower frame 10b at the middle position in the left-right direction by the lock mechanism 14, both sides of the end plate portion 13 are vertically framed 10a. In contrast to the related art in which the end plate 13 is locked, the end plate portion 13 is hardly bent, and the durability can be improved.

Further, the lock mechanism 14 of the present embodiment
When the end plate portion 13 is lowered to the closed position, the lock piece 24 contacts the receiving pin 29 of the lock receiving portion 17, rotates from the release position to the locked position, and holds and locks the receiving pin 29. The lever 26 has a cam groove 30 formed in the lock piece 24.
Since the locking portion 31 is formed so as to engage with and maintain the locked state, the locking can be automatically performed only by lowering the end plate portion 13.

FIG. 5 shows another embodiment of the present invention, and the same parts as those in the above embodiment are denoted by the same reference numerals. In the shutter 4 of the present embodiment, a lock mechanism 14 for locking the end plate 13 of the shutter plate 7 in the closed position is provided movably in the left-right direction, and the end plate 13 is moved to the closed position. Lower frame 1 to contact with
0b is provided with a lock receiving portion 17 of the lock mechanism 14 horizontally and continuously in the left-right direction.

The lock mechanism 14 has a plate-shaped main body 20 abutting on the guide pieces 15a and 15b of the end plate portion 13 from the outside, and the main body 20 has the guide pieces 15a and 15a.
A backing plate 21 abutting from the inside to the inside 5b is attached with a screw 22, and by tightening the screw 22, the guide piece 15a, 15b is sandwiched between the main body 20 and the backing plate 21 from the front and rear, so that the locking mechanism 14 is connected to the end plate 13 At a desired position in the left-right direction. A support arm (also referred to as a bracket) 37 protrudes from the main body 20 on the indoor side.
An operation lever 26 having a hook-shaped lock piece 24 at the lower end is rotatably attached to the support arm 37 via a support shaft 38.

The support arm 37 includes a spring 39 for urging the operation lever 26 in the locking direction in which the lock piece 24 engages with the lock receiving portion 17, a stopper 40 for stopping the operation lever 26 at the locking position, Is provided. The lock receiving portion 17 is composed of a ridge (rib) integrally formed on the inner rear surface of the groove 16 of the lower frame 10b along the left-right direction (longitudinal direction). When the end plate 13 of the shutter plate 7 is lowered to the closed position, the lock piece 24 is moved to the lock receiving portion 17.
And engages with the lower surface of the lock receiving portion 17 to be in a locked state. When the operation lever 26 is operated forward from this locked state, the lock piece 24 is detached from the lock receiving portion 17 and the lock is released.

In the shutter 4 configured as described above, the lock mechanism 14 can be moved right and left by loosening the screw 22 for attaching the lock mechanism 14 to the end plate portion 13 of the shutter plate 7. Lock mechanism 1
After moving 4 to a desired position, screw 22 may be tightened and fixed. Therefore, regardless of the type of the sash, the mounting position of the lock mechanism 14 can be easily set at a position where the lock mechanism 14 can be easily operated without being hidden behind the sliding door at the time of opening. Improvement can be achieved. Further, since the lock receiving portion 17 is provided horizontally long in the left-right direction of the lower frame 10b, the structure of the lower frame 10b can be simplified.
The lock receiving portion 17 is formed integrally with the lower frame 10b, but may be attached separately.

The embodiments of the present invention have been described in detail with reference to the drawings. However, the present invention is not limited to the above embodiments, and various design changes and the like can be made without departing from the gist of the present invention. Is possible. For example, in the above embodiment, the sash frame 5 and the shutter frame 10 are formed separately, but the sash frame 5 and the shutter frame 10 may be formed integrally. Further, the sash is not limited to the pull type, and may be a single type. Further, as the lock receiving portion 17 shown in FIG.
Instead of providing 8a and 18b, the lower frame 10b may be directly fixed with screws. In that case, the lower frame 10b
It is preferable that a V-shaped groove is formed in the hole for positioning during screw hole processing. Further, the lock receiving portion 17 shown in FIG. 5 may be formed separately from the lower frame 10b, and may be detachably attached to the lower frame 10b. Note that the lock receiving portion may be provided in a portion other than the lower frame.

[0030]

In summary, according to the present invention, the following excellent effects can be obtained.

(1) According to the first aspect of the present invention, there is provided a shutter provided integrally or separately on the outdoor side of a sash provided at an opening of a building, wherein the shutter plate closes the opening so as to be openable and closable. A lock mechanism for locking the end plate in the closed position is provided at a desired position in the lateral direction of the end plate.
It is provided movably in the left and right direction so that it can be fixed to the device, and the lock receiving portion of the lock mechanism is provided at a position where the end plate abuts in the closed position, so that the lock mechanism can be moved to a position where it can be easily operated, Operability can be improved.

(2) According to the shutter of the second aspect, a lock mechanism for locking the shutter at the closed position is provided on the end plate portion of the shutter plate for opening and closing the opening so as to be movable in the left-right direction. Since the lock receiving portion of the lock mechanism is provided on the lower frame where the end plate portion abuts at the closed position so as to be movable in the left-right direction, the lock mechanism and the lock receiving portion can be moved to a position where it can be easily operated, and operability is improved. Can be improved.

(3) According to the shutter of the third aspect, a lock mechanism for locking the shutter at the closed position is provided on the end plate portion of the shutter plate for opening and closing the opening so as to be movable in the left-right direction. Since the lock receiving portion of the lock mechanism is provided horizontally long in the left and right direction on the lower frame where the end plate portion abuts in the closed position, the lock mechanism can be moved to a position where it can be easily operated, and operability can be improved. The structure of the lower frame portion can be simplified.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part showing an embodiment of the present invention.

FIG. 2 is a view showing a lock mechanism, (a) is a plan view,
(B) is a side sectional view, and (c) is a front view.

FIG. 3 is a schematic longitudinal sectional view of a shutter.

FIG. 4 is a schematic cross-sectional view of a shutter.

FIG. 5 is a sectional view of a main part showing another embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 4 shutter 7 shutter plate 10b lower frame 13 end plate portion 14 lock mechanism 17 lock receiving portion

Claims (3)

(57) [Claims] 1. A shutter provided integrally or separately on the outdoor side of a sash provided at an opening of a building, wherein the shutter is locked at a closed position on an end plate portion of a shutter plate which opens and closes the opening. Lock mechanism for the left and right sides of the end plate
A shutter provided with a lock receiving portion of the lock mechanism at a position where the end plate abuts at a closed position so as to be able to be fixed at a desired position . 2. An end plate portion of a shutter plate for opening and closing an opening is provided with a locking mechanism for locking the shutter plate in a closed position so as to be movable in the left-right direction, and the end plate portion abuts in a closed position. A shutter, wherein a lock receiving portion of the lock mechanism is provided on a lower frame so as to be movable in the left-right direction. 3. An end plate portion of a shutter plate which closes an opening so as to be openable and closable is provided with a lock mechanism for locking the shutter plate in a closed position so as to be movable in the left-right direction, and the end plate portion abuts in a closed position. A shutter characterized in that a lock receiving portion of the lock mechanism is provided on a lower frame so as to be horizontally long in the left-right direction.