JP2001311341A - Shutter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To increase a mountability and maintainability by directly mounting a lock device at any lateral position on the end plate part of a shutter plate. SOLUTION: In this shutter 1, a lock device 13 for locking a shutter plate 2 at the closed position is installed on the end plate part 10 of a shutter plate 2. The lock device 13 comprises a base plate 15 and a backing plate 18, and the backing plate 18 is installed rotatably relative to the base plate 15. Guide grooves 12a and 12b allowing the backing plate 18 to be engaged therewith slidably in lateral direction are provided in the end plate part 10 of the shutter plate 2, and rotatable parts 20 and 20 allowing the backing plate 18 to be installed in the guide grooves 12a and 12b by allowing the backing plate 18 to be rotated in the guide grooves 12a and 12b are formed at at least one diagonal part of the backing plate 18.

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 in which a lock device can be easily mounted.

[0002]

2. Description of the Related Art As this type of shutter, for example, there is a shutter as described in Japanese Patent Application Laid-Open No. 9-317360. This shutter has a lock device for locking the shutter plate at a closed position on an end plate portion of the shutter plate, and this lock device can be attached to an arbitrary position in the left and right direction on the end plate portion of the shutter plate.

Specifically, a vertically long rectangular backing plate is provided on one side of the locking device so as to be fastened with a screw, and the backing plate is slidable left and right on an end plate portion of the shutter plate. Are provided with guide grooves. Therefore, the locking device can be moved in the left-right direction by loosening the screw, and the locking device can be fixed by tightening the screw.

[0004]

However, in the shutter, since the backing plate can only be slid in the guide groove except for sliding, when the lock device is mounted, the backing plate needs to be moved from one end of the end plate portion. The plate must be inserted into the guide groove and the locking device must be slid to the desired mounting position. For this reason, if the end plate is long, mounting the lock device may be troublesome.

If the lock device breaks down for some reason, it is necessary to remove the lock device and perform maintenance or replace the lock device with a normal one. (Guide frame), the end plate must be removed from the vertical frame to remove the lock device. Furthermore, to improve security,
Similarly, when it becomes necessary to mount a plurality of locking devices in parallel, it is very difficult to newly add and mount a locking device.

The present invention has been made in view of the above circumstances, and an object of the present invention is to allow a lock device to be directly attached to an arbitrary position in an end plate portion of a shutter plate in the left-right direction, and to be easily attached and detached. An object of the present invention is to provide a shutter capable of improving the operability and maintainability.

[0007]

According to the present invention, there is provided a shutter provided with a locking device for locking a shutter plate in a closed position at an end plate portion of the shutter plate, wherein the locking device includes a base plate, a backing plate and a locking device. Wherein the backing plate is provided so as to be rotatable with respect to the base plate, and a guide groove is provided in an end plate portion of the shutter plate so that the backing plate is slidably engageable in the left-right direction. At least one diagonal of the abutment plate is formed with a rotatable portion that allows the back abutment plate to rotate in the guide groove while allowing the back abutment plate to rotate within the guide groove. And

[0008]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a perspective view of a shutter according to an embodiment of the present invention as viewed from the indoor side, FIG. 2 is a perspective view showing a main part of the shutter, FIG. 3 is a front view of a lock device, and FIG. FIG. 5 is a plan view, FIG. 5 is a side view of the lock device, FIG.
(B) is a diagram showing the dimensions of the backing plate, and FIG. 7 is a diagram schematically showing an example of a configuration in which the knob automatically drops.

As shown in FIG. 1, a shutter 1 includes a shutter plate 2 which is rolled up and down to open and close an opening of a building. More specifically, the shutter 1 is attached to a building frame and supports the shutter plate 2 so as to be able to move in the vertical direction. A shutter box 4 containing a hoisting drum to be wound up.

The shutter frame 3 has left and right vertical frames 5 and 5 arranged on both sides of the opening of the building.
A guide groove (guide rail) 6 that guides the left and right sides of the shutter plate 2 in the up-down direction is provided on the inner side facing 5. The shutter 1 in the illustrated example is of a type that is installed instead of a shutter on the outdoor side of a sash attached to an opening of a building, and the shutter frame 3 is hung between the lower ends of the left and right vertical frames 5 and 5. The lower frame 7 is provided.

The shutter plate 2 is formed by connecting a metal plate (slat) 8 which is long and thin in the left-right direction in an up-and-down direction via a hinge portion 9 and has an end plate (end slat) 10 at the lower end. ing. As shown in FIG. 2, the end plate portion 10 is formed in a U-shaped cross section open to the indoor side, and a lock device 13 described later is provided on upper and lower opposing surfaces with left and right sides of the end plate portion 10. A pair of upper and lower rib-shaped guide pieces 11a and 11b that can be attached at any position in the direction;
Guide grooves 12a and 12b, which are defined by the guide pieces 11a and 11b and are capable of engaging the backing plate 18 of the lock device 13 so as to be slidable in the left-right direction, are formed continuously in the left-right direction.

A lock device 1 for locking the shutter plate 2 to a closed position (closed state) in which the shutter plate 2 is pulled down to the lowermost portion of the opening is provided on the indoor side of the end plate portion 10 of the shutter plate 2.
3 are provided. In addition, the lock device 1 of the lower frame 7
In the position corresponding to 3, the lock receiving member (strike) 1
4 are provided.

As shown in FIGS. 3 to 5, the lock device 13 has a base plate 15 having a substantially U-shaped cross section, and one side (right side) of the base plate 15 is provided with the end plate 10. Locking claw portions 16a and 16b which are inserted into the guide grooves 12a and 12b from the indoor side and locked to the outdoor surfaces of the guide pieces 11a and 11b are formed to project up and down, and are provided on the other side (left side). The contact plate portion 17 that contacts the indoor surfaces of the guide pieces 11a and 11b is integrally formed outward by bending. At the outside of the abutting plate 17, the guide pieces 12 a and 12 b of the end plate 10 are inserted into the guide grooves 12 a and 12 b to abut against the outdoor surfaces of the guide pieces 11 a and 11 b. A vertically long backing plate 18 that sandwiches 11a and 11b from the front and rear is attached so as to be able to be tightened by a screw 19 as a fixing tool and to be rotatable around the screw 19.

The screw 19 is inserted from the indoor side into a hole (not shown) formed at a substantially central portion in the vertical direction of the contact plate portion 17, and a female screw hole formed at a substantially central portion in the vertical direction of the backing plate 18. It is screwed into 50. The backing plate 18 is formed in a vertically long rectangular shape large enough to engage with the guide grooves 12a and 12b of the end plate portion 10. FIG. 6 (a),
As shown in (b), the vertical dimension a of the backing plate 18 is slightly smaller than the dimension (inner dimension) b between the upper and lower guide grooves 12a and 12b, and the opening dimension between the upper and lower guide pieces 11a and 11b. c, and the lateral dimension d of the backing plate 18 is smaller than the opening dimension c between the upper and lower guide pieces 11a, 11b. Therefore, by setting the backing plate 18 in a horizontal state substantially parallel to the guide pieces 11a and 11b, the backing plate 18 can pass through the opening between the upper and lower guide pieces 11a and 11b from the indoor side to the outdoor side or vice versa. it can.

In particular, one back diagonal (corner on the diagonal) of the backing plate 18 is provided on the backing plate 1 in the guide grooves 12a and 12b.
In order to allow the backing plate 18 to be attached to or detached from the guide grooves 12a, 12b while permitting the rotation of the backing 8, the corners of the backing plate 18 are cut off. Are formed. In this case, while the dimension e between the other diagonal portions of the backing plate 18 is set to be larger than the inner dimension b in the guide grooves 12a and 12b, the dimension f between the one diagonal portions is set. Is set smaller than the inner dimension b in the guide grooves 12a and 12b. The backing plate 18 is moved from the horizontal state substantially parallel to the guide pieces 11a and 11b by the rotatable portions (cutaway parts) 20 and 20.
When the backing plate 18 is turned to a vertical state perpendicular to the a and 11b, the backing plate 18 is smoothly turned to a vertical state without one diagonal of the backing plate 18 being caught by the guide grooves 12a and 12b. You can do it.

On the concave side of the base plate 15, a lock member (latch) 21 and a lever 22 are rotatably mounted via support shafts 23 and 24, respectively. In order to reduce the sliding resistance of the lock member 21 and the lever 22 with respect to the base plate 15 and smoothen the movement, the base plate 15 has convex portions 25a bulging to the concave side (outside of the air) near the support shafts 23, 24. 25b is preferably formed. The tip of the lever 22 extends laterally through a notch formed on one side of the base plate 15, and a resin operating section 26 is provided at the tip.

The base plate 15 is formed with a notch 27 into which the receiving pin 40 of the lock receiving member 14 enters from below. The lock member 21 has a recess 21 a with which the receiving pin 40 can be engaged.
When the “0” is lowered to the closed position, it comes into contact with the receiving pin 40 of the lock receiving member 14 and rotates from the unlocked position to the locked position to hold the receiving pin 40 in the recess 21 a and the notch 27 and lock it. It has become. Between the lever 22 and the lock member 21, the lever 22 is urged in a direction (downward, clockwise) to contact the peripheral surface of the lock member 21 and the lock member 21 is unlocked (counterclockwise). A spring 28 as an urging means for urging is attached.

A projection 29 is formed on the peripheral surface of the lock member 21, and the lever 22 engages with the projection 29 when the lock member 21 is rotated in the locking direction, thereby locking the lock member 21. A stopper portion 30 for holding in a locked state is formed. In this locked state, the lever 22
When you rotate in the unlocking direction (upward, counterclockwise),
The engagement between the protrusion 29 of the lock member 21 and the stopper 30 is released, and the lock member 21 rotates in the unlocking direction by the urging force of the spring 28 to open the lock receiving member 21 and the shutter plate 2 can be opened. Becomes

The operating portion 26 of the lever 22 has a hole 31
Is formed, and an operation cord 32 is connected to the operation unit 26 through a hole 31 thereof. A knob (plate) 33 is attached to the tip of the operation cord 32, and a magnet 34 is attached to the knob 33 so that the knob 33 is attracted and held to the shutter plate 2 when not in use. In the closed state of the shutter plate 2, by pulling the operation cord 32 upward, the lever 22 can be operated in the unlocking direction to easily unlock the lower locking device 13, and the end plate of the shutter plate 2 can be easily unlocked. The part 10 can be pulled upward.

In the open state of the shutter plate 2, the operation string 32 hanging from above is pulled downward, so that the end plate portion 1 of the shutter plate 2 at a higher position is pulled.
0 can be easily lowered downward. In order to prevent the knob 33 with the magnet 34 from being erroneously taken up into the shutter box 4 while the knob 33 with the magnet 34 remains attracted to the shutter plate 2, the shutter box 4 is moved from the shutter plate 2 taken up by the shutter box 4. Knob 33 with magnet 34
For example, a baffle plate is provided, or a means for automatically falling down, for example, comes into contact with the wound shutter plate 2 or the like as shown in FIG. It is preferable to provide an upright portion 33a that allows the knob 33 to be removed.

On the other hand, the lower frame 7 of the shutter frame 3
As shown in FIG. 2, a groove 35 capable of accommodating the lower side of the end plate 10 of the shutter plate 2 is formed, and the lock receiving member 14 can be moved in the left-right direction on the bottom surface and the outdoor surface in the groove 35. L-shaped guide pieces 36a, 36 for attachment
6b are formed continuously in the longitudinal direction. The lock receiving member 14 has a base portion 37 having an L-shaped cross section, and a horizontal portion 37a of the base portion 37 and a projection 38 having an L-shaped cross section formed on a vertical portion 37b are formed by the lower frame. 7 groove 35
It is slidably supported by the inner guide pieces 36a and 36b. The lock receiving member 14 is configured such that a horizontal portion 37a of a base portion 37 is attached to the lower frame 7 with a screw 39 as a fixing tool, and a receiving pin 40 is provided on the vertical portion 37b so as to protrude in the outdoor direction. I have.

Next, the operation of the shutter having the above configuration will be described. When attaching the lock device 13 to the end plate 10 of the shutter plate 2, first, the locking claws 16 a and 16 b on one side (right side) of the base plate 15 are fitted to the guide grooves 12 a and 12 b of the end plate 10. It is inserted from the indoor side and hooked on the outdoor surface of the upper and lower guide pieces 11a and 11b.
Next, the backing plate 18 is rotated so as to be in a horizontal state substantially parallel to the guide pieces 11a and 11b, and in this state, the contacting plate portion on the other side (left side) of the base plate 15 is set. 17
Are brought into contact with the indoor surfaces of the guide pieces 11a and 11b.
The lateral dimension of the backing plate 18 is equal to the upper and lower guide pieces 11a, 11b
Since the opening between the upper and lower guide grooves 11a and 11b is passed from the indoor side to the upper and lower guide grooves 12a and 12b by keeping the backing plate 18 in a horizontal state. 12b.

Next, the backing plate 18 is rotated in a direction (clockwise) in which one of the diagonally rotatable portions 20, 20 faces, and the other diagonals 41, 41 abut against the guide grooves 12a, 12b. When the contact is restricted and the backing plate 18 is in the vertical state, the backing plate 18 and the contact plate portion 1 are tightened by tightening the screw 19.
The locking device 13 is fixed to the end plate portion 10 of the shutter plate 2 by sandwiching the guide pieces 11 a and 11 b from the front and rear between the front and rear members 7. In addition, since the backing plate 18 is configured to restrict the rotation in the clockwise direction, the rotation of the backing plate 18 due to the tightening of the screw 19 is restricted. 13 can be easily fixed.

As described above, according to the shutter 1, the shutter provided with the lock device 13 for locking the shutter plate 2 to the closed position at the end plate portion 10 of the shutter plate 2; On one side, a vertically long backing plate 18 can be fastened with a screw 19 as a fixing tool and rotatably provided around the screw 19 as a fixing tool,
Guide grooves 12a, 12 in which the backing plate 18 is slidably engaged with the end plate portion 10 of the shutter plate 2 in the left-right direction.
b, and at least one diagonal of the backing plate 18,
Since the rotatable portions 20 are formed to allow the backing plate 18 to rotate in the guide grooves 12a and 12b, the shutter plate 2 is locked at an arbitrary position in the left and right direction on the end plate portion 10 of the shutter plate 2. The device 13 can be mounted directly from the indoor side.

Therefore, there is no need to insert the backing plate 18 from one end of the end plate portion 10 of the shutter plate 2 into the guide grooves 12a, 12b, and the locking device 1 can be moved to a desired mounting position.
The lock device 13 can be easily attached even when the end plate 10 is long without the need to slide the lock 3. Further, if the lock device 13 fails for some reason, it is necessary to remove the lock device 13 and perform maintenance or replace the lock device 13 with a normal lock device. In this case, the lock device 13 is removed in the reverse procedure. End plate 10
It can be easily removed from. Further, even when it becomes necessary to mount a plurality of lock devices in parallel for the purpose of improving security, similarly, it is very easy to newly add and mount a lock device. As described above, according to the shutter 1, the locking device 13 can be easily attached and detached,
The mounting and maintenance can be improved.

Although the embodiment of the present invention has been described in detail with reference to the drawings, the present invention is not limited to the above embodiment, and various design changes and the like can be made without departing from the gist of the present invention. Is possible. For example, the lock device may be configured to be able to lock and unlock from the outdoor side. Further, in the above embodiment, the rotatable portion is formed at one diagonal of the backing plate, but a rotatable portion may be formed at the other diagonal of the backing plate. In this case, since the rotation of the backing plate is not restricted by the guide groove, the backing plate can be rotated 360 degrees around the screw.

The shape of the rotatable portion may be, for example, an oblique straight line such that a corner is cut off in addition to a curved surface. As a method of forming the rotatable portion, besides the cutting process, a bending process may be used, or a punching process using a press formed simultaneously with the backing plate may be used. In the backing plate, a dimension between at least one diagonal portion is set to be smaller than an inner dimension in the guide groove in a region where the backing plate rotates in the guide groove. The rotatable portion includes not only a portion formed by cutting a corner portion of a plate material before processing to be a material of a backing plate, but also a portion formed in a shape satisfying the above conditions from the beginning. It is. In the above-described embodiment, the fixing tool for fixing the backing plate to the base plate is the rotation fulcrum of the backing plate. However, the fixing tool and the turning fulcrum may be different. In addition, the pivot point of the backing plate is provided substantially at the center of the backing plate in the above embodiment, but may be shifted to one side.

In the above embodiment, the locking claw is formed on one side of the locking device in order to simplify the fixing of the locking device. However, the locking claw is not formed and both sides of the locking device are formed. A backing plate may be provided on the part. The lock receiving member may be configured to be directly fixed to the lower frame with a screw without forming a guide piece on the lower frame. The shutter frame does not necessarily have to have a lower frame. In this case,
The lock receiving member is provided on the lower side of the opening, for example, on the floor surface.

[0029]

In summary, according to the present invention, there is provided a shutter provided with a lock device for locking a shutter plate to a closed position at an end plate portion of the shutter plate, wherein the lock device comprises a base plate, a backing plate, Wherein the backing plate is provided rotatably with respect to the base plate, and a guide groove is formed in an end plate portion of the shutter plate so that the backing plate is slidably engageable in the left-right direction. At least one diagonal of the plate is formed with a rotatable portion that allows the backing plate to be mounted in the guide groove by allowing rotation of the backing plate in the guide groove. The lock device can be directly attached to an arbitrary position in the left and right direction on the end plate portion of the plate, so that the lock device can be easily attached / detached and the attachment and maintenance can be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of a shutter according to an embodiment of the present invention as viewed from an indoor side.

FIG. 2 is a perspective view showing a main part of the shutter.

FIG. 3 is a front view of the lock device.

FIG. 4 is a plan view of the lock device.

FIG. 5 is a side view of the lock device.

FIG. 6A is a diagram showing dimensions of an end plate portion, and FIG. 6B is a diagram showing dimensions of a backing plate.

FIG. 7 is a diagram schematically illustrating an example of a configuration in which a knob is automatically dropped.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Shutter 2 Shutter plate 12a, 12b Guide groove 13 Lock device 15 Base plate 18 Backing plate 19 Screw (fixing tool) 20 Rotatable part

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Atsushi Katsuyama 70-6 Ikegami, Tora-kuni, Kira-cho, Hazu-gun, Aichi Prefecture Inside Aisin Kiko Co., Ltd. -6 Aisin Kiko Co., Ltd. (72) Inventor Keiichi Kato 2-1-1, Oshima, Koto-ku, Tokyo Tostem Co., Ltd. F-term (reference) 2E042 AA01 BA00 DA01 DB03

Claims (1)

[Claims] 1. A shutter provided with a lock device for locking a shutter plate to a closed position at an end plate portion of the shutter plate, wherein the lock device includes a base plate and a backing plate, and the backing plate is A guide groove is provided rotatably with respect to the base plate, and a guide groove in which the backing plate is slidably engaged in the left-right direction is provided in an end plate portion of the shutter plate, and at least one diagonal of the backing plate is provided. A shutter that is formed with a rotatable portion that allows the backing plate to be mounted in the guide groove by allowing the backing plate to rotate in the guide groove.