JPH1162436A - Joint plate for shutter case - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joint plate for use on connections of the case plate of a shutter case when the case plates are provided continuously in the longitudinal direction. SOLUTION: When a case plate composed of an upper plate 5 constituting the upper part of the case and a lower plate 6 constituting the front part and the lower part of the case is continuously provided in the longitudinal direction, the joints are covered up by fitting a case joint plate to the joint of the continuously provided case plate in a detachable manner. The case joint plate is composed of a joint upper plate 21 fitted to the upper plate 5 and a joint lower plate 22 fitted to the lower plate 6, while the connecting part of the case plate is embraced by engaging the connecting part of the joint upper plate 21 to the joint lower part 22 with each other in a detachable manner.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint plate used for connecting a case plate of a shutter case when the case plates are connected in the longitudinal direction.

[0002]

[Prior art]

2. Description of the Related Art A conventional shutter case will be described with reference to FIG. 7. A frame is formed by welding a bracket (not shown) to a case angle a and a lintel b. Upper plate c, front plate d, lower plate e
The shutter case is formed by attaching the front plate (or the unit f with the lower plate) integrally with the tapping screw g.

[0003] However, the conventional shutter cage
When the case plate is removed at the time of repair or inspection, the overlapping parts of the upper plate, front plate, lower plate and the case angle and lintel are fastened with tapping screws. -It is obstructive because the angle and case fog remain, and in the case of the conventional integrated case,
The parts that are in contact with the wall surface are often embedded in the wall finish and cannot be removed, rainwater enters from the drilled part during installation, corrodes, the welded part of the frame corrodes, case Because of the large number of components, there is a problem that the mounting requires skill and the case is deformed at the screw fixing portion.

[0004]

SUMMARY OF THE INVENTION In view of the above-described conventional shutter case, the present applicant has made it possible to prevent corrosion at the contact portions and welded portions of the shutter case components. And a shutter case which is easy to install or maintain has been developed. Such a shutter case comprises an upper plate constituting the upper surface of the case and the front and lower surfaces of the case. And a lower plate. When the large opening is opened and closed by a shutter, a plurality of shutters are connected in series. In this case, a shutter case having a length corresponding to the width of the large opening is required. Becomes SUMMARY OF THE INVENTION It is an object of the present invention to provide a joint plate for use as a connection portion of a case plate when connecting the case plates in the longitudinal direction in such a shutter case. is there.

[0005]

The technical means adopted by the present invention to solve the above-mentioned problems is an upper plate forming the upper surface of the case, and a lower plate forming the front and lower surfaces of the case. In order to connect the case plates consisting of (1) and (2) in the case length direction, a case joint plate is detachably attached to the connecting portion of the case plates which are continuously connected, so that the connecting portion is concealed. The case joint plate comprises an upper joint plate mounted on the upper plate and a lower joint plate mounted on the lower plate, and a joint between the upper joint plate and the lower joint plate. The connection portion of the case plate is held by being detachably engaged.

Preferably, the joint between the upper plate and the lower plate of the joint is locked in a state where the movement in the case length direction is restricted. As one mode of the means for controlling such displacement, a connecting portion is formed at a joint portion between the joint upper plate and the joint lower plate, and the connecting portion of the joint lower plate is hooked on the connecting portion of the joint upper plate. It is preferable to restrict the movement in the case length direction by forming slide restricting pieces on both side edges of one of the connecting portions.

Preferably, a locked portion is formed at the tip of the upper plate of the case, and a locking portion is formed at the upper end of the front portion of the lower plate of the case. The connecting portions are detachably connected to each other by locking the connecting portions. The connecting portion between the upper joint plate and the lower joint plate has a shape corresponding to the locked portion and the locking portion of the case plate. The upper joint plate and the lower joint plate meet at the locking portions of the upper and lower case plates. More preferably, the locked portion of the upper case plate has a U-shape in cross-section, and the locking portion of the lower case plate has a U-shape in cross-section. The shape of each part is also a corresponding shape.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The basic structure of a shutter case according to the present invention will be described with reference to FIGS.
1 to 3, a case plate integrated in the length direction is shown for convenience of explanation. FIG. 1 is an exploded perspective view of a shutter device. The shutter device includes a guide rail 1 erected on the left and right sides of an opening via an attachment bent 1a, and a hanging stand 3a.
Shutter car suspended from the winding shaft 2 through the
The shutter 3 includes a winding shaft 2 and a shutter case 4 accommodating a shutter curtain 3 wound around the winding shaft 2 when the opening is closed. The take-up shaft 2 is provided with a switchgear having a built-in remote controller. On the other hand, an antenna 15 is provided above the gap between the outer lintel 14 mounted on the frame side and the shutter curtain 3 and close to the switchgear. The shutter is electrically opened and closed by a remote control transmitter installed on an indoor wall surface or a remote control transmitter installed inside a keyed resin case outdoors.

The main body of the shutter case 4 comprises an elongated upper plate 5 and an elongated lower plate 6, and the upper plate 5 is an upper surface of the shutter case 4. The lower plate 6 constitutes a front portion and a lower portion of the shutter case. FIG. 2A is a side view of the upper plate 5, in which a long side of one end side of the upper plate 5 is bent to form a mounting portion 5a on the skeleton side, and the upper plate 5 is provided with a mounting portion 5a. Is attached to the skeleton via the screw 17.
The upper plate 5 forms a gentle slope from the mounting portion 5a to the frame toward the other end, and the other end is folded back to form a locked portion 5b shaped like a side view. Have been.
The shape of the upper plate 5 will be described in detail. The upper plate 5 extends forward while forming a gentle inclined surface toward the front of the mounting portion 5a, and the slope of the inclined surface is slightly steeper than the intermediate portion in the extending direction. Is bent downward, and the distal end of the extending end vertically extending downward is bent obliquely upward rearward to form a locked portion 5b.

An elongated case receiving material 7 is attached to the body side over the length of the shutter case 4.
A plurality of rib-shaped support members 8 are provided on the support member 7 at a desired interval in the length direction so as to be taken out from the skeleton side by screws 19. The upper cross-sectional shape of the support body 8 has a shape corresponding to the cross-sectional shape of the upper plate 5, and supports the upper plate 5 from below over the entire width in the front-rear direction. The lower side of the support body 8 is formed in a concave portion 8a, and has a shape following the winding shape of the shutter curtain 3 wound around the winding shaft 2.

FIGS. 3 (a) and 3 (b) show the mounting of the support 8 and the upper plate 5 on the skeleton, respectively. Also,
If the upper plate 5 cannot be fixed to the skeleton side because of the fitting, as shown in FIG.
8, or fixed with an adhesive tape (not shown). As described above, the upper plate 5 of the shutter curtain 4 is supported by the rib-shaped support members 8, and the plurality of support members 8 extending forward from the skeleton side acts on the upper plate 5. Since the load is borne, no frame such as a case angle is required, the construction is simplified, and the conventional shutter
Unlike the case, the case angle does not hinder the smooth maintenance work.

FIG. 2 (b) is a side view of the lower plate 6, wherein the lower plate 6 is gradually inclined backward toward the front, and is inclined at a more acute angle than the lower part of the front. And retreats, and further extends downward. However, the shape of the lower plate 6 is not limited to this, and the front part and the lower part may be integrated by drawing a gentle arc surface as shown in FIG. 7B. The upper end portion of the front portion is bent and formed in a concave shape, and the upper end extends obliquely downward toward the front, and forms a locking portion 6a shaped like a side view. The lower plate 6 is hooked on the upper plate 5 so that the lower plate 6 is hooked on the upper plate 5 by locking the locking portion 6a of the lower plate 6 with the locked portion 5b of the upper plate 5.

An end of the lower surface of the lower plate 6 is bent into a step shape to form a lintel portion 6b, so that the lintel is not welded separately. The lower plate 6 is rotatable with respect to the upper plate 5 with the locking portion as a pivot point (FIG. 3).
(See (e)), the lower plate 6 is rotated from a state of being suspended from the upper plate 5, and a support portion 16 provided by taking out both left and right ends of the lower surface end of the lower plate 6 from the frame side. To form a shutter case 4 by fastening with a tapping screw.

As described above, the lower plate 6 is locked to the upper plate 5,
The lower plate 6 can be pivoted upward while hooked on the upper plate 5, and the lower end portion can be mounted on the support portion 16 and fastened with screws in this state. No need for
Can be mounted. The locked portion 5b of the upper plate 5 and the locking portion 6a of the lower plate 6 extend obliquely upward, and have
Since the front end portion of the shutter case is located close to and above the locking portion, even if a force is suddenly applied to the upper plate 5 or the lower plate 6 after the shutter case is installed, the locking portion is formed. Bearing 8
The lock is not released because it comes into contact with the front end of the head.

The tip of the support body 8 regulates the release of the locking portion, but does not hinder the rotation of the lower plate 6 about the locking portion as a pivot point. Is free, the lower plate 6 can be rotated about the locking portion, so that maintenance such as inspection and repair of the shutter can be easily performed. Also, since the lower plate 6 can be slid in the length direction while being hooked on the upper plate 5, this is also advantageous in maintenance. Since the lower plate 6 and the upper plate 5 are attached by merely engaging the end portions, screw hole processing is not required, which is not only easy to attach, but also occurred at the screw fixing portion in the past. Corrosion is prevented, and there is no deformation of the case at the screwing portion. In this case, when the lower plate is removed, no case angle or the like remains at all, so that the shutter body is completely exposed, and repair and inspection can be easily performed. Moreover,
Since the upper plate is mounted on the skeleton side in an eaves shape, it can be satisfactorily performed even in the rain. Further, since there is no case gap and only the lower plate, water does not accumulate in the gap between the case gap and the case plate as in the conventional case, and rust does not occur.

The left and right brackets 9 that support the winding shaft 2 from both sides are supported separately from the shutter case 4 and are formed separately. The brackets 9 are attached to the frame via bracket mounting brackets 10. It is. Further, a funnel-shaped guide portion 11 is welded to the bracket mounting member 10. Since the bracket 9 and the shutter case 4 are separated, the bracket 9 bears the load of the shutter device, and the case 4 does not receive the load of the shutter device. There is no distortion due to weight, the bracket 9 can be downsized, and there is no need to match the shape of the bracket 9 to the case shape. Side covers 12 are detachably provided on both left and right ends of the shutter case 4 in the longitudinal direction. The side cover 12 has a shape along the cross-sectional shape of the case plate, and is fitted to the case plate from the side.
The side cover 12 is fixed to the bracket 9 by screws 13 to prevent the side cover 12 from coming off.

FIG. 4 is a schematic front view of the shutter device connected in series, showing the inside of the shutter case. With the continuous connection of the shutter devices, a shutter case 4 for accommodating the shutter curtain 3 wound around the winding shaft 2 is connected in the longitudinal direction. The respective shutter cases 4 are mounted on the skeleton side by the above-described configuration, and the edges of adjacent case plates are in contact with each other or close to each other at the connection portion A. A band-shaped case joint plate 20 is attached to the connection portion A of the case plate so as to hold the connection portion A,
The gap of the case connection portion A is concealed.

The case joint plate 20 comprises a joint upper plate 21 and a joint lower plate 22 formed of strips. The joint upper plate 21 extends while forming a gentle slope toward the front from the rising mounting portion, and the slope of the slope is slightly steeper than the middle portion in the extension direction, and the extension end is further lowered. Curved toward
A connecting portion 21a is formed by folding the tip of the extending end portion facing downward in the vertical direction rearward, and has a cross-sectional shape substantially corresponding to the case upper plate 5. The joint upper plate 21 is superimposed on the upper plate 5, and the rising mounting portions that are superimposed are fastened to the frame by screws 23.

The joint lower plate 22 has a front portion gently inclined rearward and a lower portion which is inclined and recedes from the lower portion of the front portion at an acute angle and further extends horizontally. The upper end portion of the front portion is bent and formed in a concave shape, and the upper end thereof is extended substantially horizontally toward the front to form a connecting portion 22a.
It has a cross-sectional shape corresponding to the lower plate 6. The joint lower plate 22 is superimposed on the lower plate 6 from below,
The ends of the lower surfaces to be superimposed are fastened by screws 24.

A slide regulating piece 21b is formed by folding and bending both side edges of the connecting portion 21a of the upper joint plate 21 so that the connecting portion 22a of the lower joint plate 22 is engaged in the direction of the arrow in FIG. It has become. This prevents the joint between the upper joint plate 21 and the lower joint plate 22 from sliding in the case length direction. In the illustrated example, the connecting portion 21 of the joint upper plate 21 is provided.
a in which a slide regulating piece 21b is formed is shown in FIG.
A slide regulating piece may be formed on the connecting portion 22a of the joint lower plate 22. Further, the slide restricting piece 21b is preferably formed in advance as shown in the figure, but after locking the connecting portion 21a of the joint lower plate 21 and the connecting portion 22a of the joint upper plate 22, the side edge is adjusted. The slide regulating piece may be formed by folding back.

Upper joint plate 21 and lower joint plate 22
Another means for restricting the movement of the connecting portion in the case length direction is to provide a hemispherical fitting convex portion 21c and a fitting concave portion 22b on one of the connecting portions 21a and 22a. The connecting portions 21a and 22a may be overlapped with each other in a state where the convex portion 21c and the fitting concave portion 21b are fitted. Further, the slide restricting piece and the fitting convex part and the fitting concave part may be provided together. Further, a seal material (for example, a thin sponge) is adhered to a portion where the case joint plate 20 abuts on the case plate, that is, a back side of the joint upper plate 21 and a back side of the joint lower plate 22. It is.

The mounting of the case joint plate 20 will be described. First, the concave portion at the upper end of the front portion of the joint lower plate 22 is fitted to the concave portion of the shutter case 4 (the locking portion between the upper plate 5 and the lower plate 6). ), The joint lower plate 22 is brought into close contact with the entire lower plate 6, and is fastened with screws 24 via the rear end of the lower surface portion to be superimposed. Then, while the connecting portion 21a of the joint upper plate 21 is engaged with the connecting portion 22a of the joint lower plate 22, the joint upper plate 21 is superimposed on the case upper plate 5 from above, and the base end side of the joint upper plate 21. Is overlapped with the mounting portion 5 a of the upper plate 5 and fastened by the screw 23. In this device, the base end side is fixed to the case plate by screws 23, 24 in a state where the connecting portions 21a, 22a of the upper joint plate 21 and the lower joint plate 22 are engaged with each other. Upper plate 21, Joint lower plate 2
Numeral 2 is attached to the connecting portion of the upper case plate 5 and the connecting portion of the lower case plate 6 in good contact with each other.

As described above, the joint upper plate 21 and the joint lower plate 22 are formed to have substantially the same cross-sectional shape as the upper plate 5 and the lower plate 6, respectively, and the joint between the joint upper plate 21 and the joint lower plate 22 is formed. Since the stop is performed at the locking portion between the case upper plate 5 and the case lower plate 6, the joint upper plate 2
The displacement between the joint plate 1 and the joint lower plate 22 can be prevented without making a hole in the joint plate. Further, in the embodiment, the engaging portion between the upper plate 5 and the lower plate 6 is formed in a concave shape, and the joint upper plate 21 and the joint lower plate 22 are connected at such a portion. The top is also good.

[0024]

According to the present invention, a case plate comprising an upper plate constituting the upper surface of the case and a lower plate constituting the front and lower surfaces of the case is connected in the case lengthwise direction. In this case, a case joint plate is detachably mounted on a connection portion of the continuous case plate to conceal the connection portion, and the case joint plate is mounted on the upper plate. A joint upper plate and a joint lower plate attached to the lower plate, and a connecting portion of the case plate is detachably engaged with a joint between the joint upper plate and the joint lower plate. Because the case is held, the case joint plate made of two members conceals the connecting portion of the case plate, thereby preventing rainwater or the like from entering through a gap between the connecting portions and aesthetically. Is also good. In addition, the case joint plate is mounted by engaging the joint upper plate and the joint lower plate without forming holes such as screws, so that the mounting is easy and the strength is excellent. .

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a shutter device.

FIG. 2A is a side view of an upper plate constituting a shutter case. (B) It is a side view of the lower plate which comprises a shutter case.

FIG. 3A is a perspective view showing attachment of a rib support. (B) It is a perspective view which shows attachment of an upper plate. (C) It is a side view which shows the other embodiment of attachment of an upper plate. (D) It is a perspective view which shows the mounting relationship of a rib support body, an upper plate, and a lower plate. (E) It is a side view which shows attachment of an upper board and a lower board.

FIG. 4 is a schematic front view of a shutter device provided in series.

FIG. 5 is a partial perspective view of a case joint plate and a partially enlarged perspective view of an associated portion of the joint plate.

FIG. 6 is a front view of a connecting portion of the case plate.

FIG. 7 is a schematic side view showing a conventional shutter case.

[Explanation of symbols]

 Reference Signs List 3 shutter curtain 4 shutter case 5 upper plate 6 lower plate 20 case joint plate 21 joint upper plate 22 joint lower plate A connection part

Claims (1)

[Claims] 1. A case plate comprising an upper plate constituting an upper surface portion of a case and a lower plate constituting a front surface portion and a lower surface portion of a case is connected in the longitudinal direction of the case. A case joint plate is detachably attached to a connection portion of the case plate provided continuously to conceal the connection portion, and the case joint plate is connected to a joint upper plate attached to the upper plate. And a joint lower plate attached to the lower plate, and a connecting portion of the case plate is held by detachably engaging a joint between the upper joint plate and the lower joint plate. A joint plate for a shutter case, characterized in that: