Electric shutter

Abstract

To provide an electric shutter which enables improvement of workability such as maintenance while suppressing interference between wiring and a shutter curtain.SOLUTION: An electric shutter 1 comprises: a frame body 2; and a shutter body 4 having a shutter curtain attached to the frame body 2 so as to be taken up and delivered. The shutter body 4 includes a shutter take-up shaft set in a horizontal direction so as to be able to take up and deliver the shutter curtain through rotary driving, and a shutter case 45 that stores the shutter take-up shaft. The shutter case 45 is provided with a case side plate 47 that supports the shutter take-up shaft so as to be rotatable on an inner side. Between the outer surface side of the case side plate 47 and the frame body 2, an installation space 10 for installing wiring 6 connected to the shutter take-up shaft is formed. In the case side plate 47, a side wiring port 471B through which the wiring 6 is inserted is formed.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present invention relates to an electric shutter that is attached to a building framework and that covers an opening such as a window. [Background technology]

[0002] Conventionally, there is known an electric shutter device that is attached to the upper part of the frame of a building fixture (see Patent Document 1). The electric shutter device is configured such that a winding shaft is disposed between the inner surfaces of two side panels, and an electric motor is driven to wind and unwind the shutter curtain around the winding shaft. Wires such as a power cable, connector, and maintenance cable are arranged on the inner surface side of the side panel, and these wires are housed in a slat guide that surrounds the winding shaft and is disposed along the inner surface of the side panel. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2023-88178 A Summary of the Invention [Problem to be solved by the invention]

[0004] However, in the electric shutter device described in Patent Document 1, the slat guide that houses the wiring is arranged on the inner surface side of the side panel, so it is necessary to house the wiring within the slat guide to prevent interference between the wiring and the shutter curtain.In addition, when removing the wiring housed in the slat guide, the slat guide must first be removed, making it difficult to improve the ease of maintenance, etc.

[0005] An object of the present invention is to provide an electric shutter that can improve the ease of maintenance and other operations while suppressing interference between wiring and the shutter curtain. [Means for solving the problem]

[0006] The electric shutter of the present invention is an electric shutter comprising a frame body and a shutter body attached to the frame body so as to be able to roll up and extend a shutter curtain, wherein the shutter body has a shutter winding shaft aligned in the left-right direction so as to be able to roll up and extend the shutter curtain by rotational drive, and a shutter case which houses the shutter winding shaft, wherein the shutter case has a case side plate which rotatably supports the shutter winding shaft on its inner side, and between the outer surface side of the case side plate and the frame body, an installation space is formed in which wiring connected to the shutter winding shaft is installed, and the case side plate is formed with a side wiring port through which the wiring is inserted. Effect of the Invention

[0007] An object of the present invention is to provide an electric shutter that can improve the ease of maintenance and other operations while suppressing interference between wiring and the shutter curtain. [Brief description of the drawings]

[0008] [Figure 1] FIG. 1 is a perspective view showing an electric shutter according to an embodiment of the present invention. [Diagram 2] FIG. 2 is a front view showing a main part of the electric shutter according to the embodiment. [Diagram 3] FIG. 2 is a side view showing a main part of the electric shutter according to the embodiment. [Figure 4] FIG. 4 is an explanatory diagram showing a case side plate of the electric shutter according to the embodiment. [Diagram 5] FIG. 2 is a perspective view showing a vertical frame of the electric shutter according to the embodiment. [Figure 6] FIG. 4 is a perspective view showing a case side plate of the shutter according to the embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] [Configuration of this embodiment] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. 1 to 3, an electric shutter 1 according to this embodiment is attached to the framework of a building and is arranged so as to be able to open and close an opening of the building. The electric shutter 1 includes a frame body 2 and a shutter main body 4 attached to the frame body 2 so as to be able to wind up and unwind a shutter curtain 41. In the following description, the left-right direction of the electric shutter 1 is defined as the X-axis direction, the up-down direction of the electric shutter 1 is defined as the Y-axis direction, and the front-rear direction (projection direction) of the electric shutter 1 is defined as the Z-axis direction. The X, Y, and Z axis directions are perpendicular to each other.

[0010] The frame body 2 comprises left and right vertical frames 21, a top plate 22 screwed to the upper ends of the left and right vertical frames 21, an inspection plate 23 hung on the outer edge of the top plate 22, an upper frame 25 (lintel) attached to the upper part of the left and right vertical frames 21 and below the top plate 22, and a lower frame 26 attached to the lower ends of the left and right vertical frames 21. Guide rails 211 that guide the left and right ends of the slats 3 up and down are attached along the Y-axis direction to the left and right vertical frames 21. An engagement groove (not shown) is formed in the outer edge of the top plate 22 along the X-axis direction, and the inspection plate 23 is attached by having its upper edge hooked into the engagement groove along the X-axis direction of the top plate 22 and the left and right ends of its lower edge screwed to mounting pieces 473 of the case side plates 47 described later, and the inspection plate 23 can be removed from the frame body 2 by unscrewing the mounting pieces 473 of the inspection plate 23. The frame body 2 forms the storage section 20 in which the shutter main body 4 is disposed by the upper parts of the left and right vertical frames 21, the top plate 22, and the upper frame 25, and the storage section 20 can be opened and closed from the front side (outside the room) by attaching and detaching the inspection plate 23. A back plate 5 (see FIG. 5) to which a case side plate 47 described later is attached is attached to the upper parts of the left and right vertical frames 21 that divide the storage section 20. The back plate 5 has extension pieces 51 that extend inward in the X-axis direction from its upper and lower edges, and the extension pieces 51 have case mounting pieces 52 whose front sides are bent up and down. The case side plates 47 are detachably fixed to the case mounting pieces 52 by screws from the front.

[0011] The shutter body 4 includes the above-mentioned shutter curtain 41 composed of a plurality of connected slats 3, a shutter winding shaft 42 along the X-axis direction that can wind and unwind the shutter curtain 41 by rotational drive, and a shutter case 45 that houses the shutter winding shaft 42. The shutter winding shaft 42 has a built-in drive section (not shown) that drives the shaft body to rotate, and this drive section includes a tubular motor, which is a motor, and a control section that controls the operation of the tubular motor. A communication section 49 (communication unit) shown in FIG. 3 is connected to this control section by a wiring 61. The communication section 49 communicates by receiving a signal from a remote control or the like and sending an operation signal to the drive section of the shutter winding shaft 42 to drive the shutter winding shaft 42 to rotate. The shutter curtain 41 is configured by connecting the above-mentioned multiple slats 3 to each other so that they can rotate freely, and the uppermost slat among the multiple slats 3 is attached to the shutter winding shaft 42, and the lowermost slat is attached to a seat plate that sits on the lower frame 26. Therefore, the shutter curtain 41 moves up and down in the Y-axis direction while being guided by the guide rail 211 by the rotation of the shutter winding shaft 42. The shutter case 45 comprises a case back plate 46 aligned along the X-axis direction, and a pair of case side plates 47 whose rear portions are attached to the left and right edges of the case back plate 46 and protrude forward, and a resin side cap 7 covering the side of the shutter body 4 is removably attached to the case side plates 47 at a position forward of the upper part of the vertical frame 21 in the Z-axis direction. At both ends in the X-axis direction of the case back plate 46, rear wiring ports 461 through which wiring 61 connected to the communication unit 49 and the like is inserted are formed. In this embodiment, the wiring 61 and the connectors connecting these are referred to as wirings 6.

[0012] 2 to 4, the case side plate 47 has a side plate main body 471 that rotatably supports one end of the shutter winding shaft 42, a pair of upper and lower mounting pieces 472 that are detachably screwed from the front to the case mounting piece 52 of the back plate 5, a mounting piece 473 to which the left and right ends of the lower edge of the inspection plate 23 are detachably screwed, and a pair of upper and lower cap mounting pieces 474 to which the side caps 7 are screwed. The cap mounting pieces 474 are located forward of the mounting pieces 472. The side plate body 471 is flat, and its front portion is disposed so as to protrude forward in the Z-axis direction from the vertical frame 21 (see Figs. 3 and 6). A rectangular hole 471A is formed in the approximate center of the side plate body 471, in which a bearing member 475 to which the shutter winding shaft 42 is rotatably connected is disposed, and the hole 471A is formed obliquely with respect to the Y-axis direction. A side wiring port 471B through which the wiring 61 passes is formed in a position in the side plate body 471 rearward and above the position of the shutter winding shaft 42. Here, the communication unit 49 is attached to the outer surface side of the side plate body 471 (see Figs. 1 and 3), and the wiring 61 from the shutter winding shaft 42 side is connected to the communication unit 49 through the hole 471A, and the wiring 61 connected from the communication unit 49 to other devices or the like extends through the side wiring port 471B and the rear wiring port 461 to the space on the indoor side of the electric shutter 1. A guide portion 478 is formed at the front lower portion of the side plate main body 471 to guide the edge of the slat 3 in the X-axis direction and suppress lateral displacement in the X-axis direction. 3, communication unit 49 is disposed at a position forward of vertical frame 21 and at the upper front position of side panel main body 471 whose side surface is covered by side cap 7, and the main body portion is housed in housing 491. At the bottom of housing 491, operation units such as a USB port and program buttons are disposed. The wiring 6 and communication section 49 arranged on the outer surface of the side panel main body 471 are installed in the installation space 10 formed between the outer surface of the case side panel 47 and the back panel 5 fixed to the vertical frame 21.

[0013] The bearing member 475 has a substantially U-shaped shaft connecting portion 476 having a bottom portion 476A and a pair of side portions 476B, and three fixing portions 477 bent outward from the shaft connecting portion 476. The bottom portion 476A and the pair of side portions 476B of the shaft connecting portion 476 are arranged to face each other with some clearance at the edge portion that defines the hole 471A, and the bottom portion 476A is arranged below the pair of side portions 476B. Therefore, the substantially U-shaped shaft connecting portion 476 is arranged diagonally with respect to the Z-axis direction. In addition, the shaft connecting portion 476 is arranged to protrude from the inner surface side of the case side plate 47 in the X-axis direction, so that the case side plate 47 rotatably supports the shutter winding shaft 42 on the inner surface side via the bearing member 475. The fixing portion 477 is formed by bending from each of the bottom portion 476A and the pair of side portions 476B, and is fixed to the side plate main body 471 by riveting.

[0014] In this embodiment, the guide portion 478 is formed by machining the side plate main body 471 into a rectangular convex shape, but the guide portion 478 may be formed by attaching a separate member to the side plate main body 471.

[0015] The mounting pieces 472, 473 and the cap mounting piece 474 extend outward in the X-axis direction toward the vertical frame 21. The mounting piece 472 extends outward in the X-axis direction from the upper and lower edges of the side plate body 471 and is configured along the Y-axis direction so as to be oriented to be screwed from the front side in the Z-axis direction. The mounting piece 473 extends outward in the X-axis direction from the lower edge of the side plate body 471 and is configured along the Z-axis direction so as to be screwed from the lower side in the Y-axis direction. The lower cap mounting piece 474 extends from the lower front edge of the side plate body 471 and is configured along the Y-axis direction so as to be screwed from the front side in the Z-axis direction, and the upper cap mounting piece 474 extends from the upper front edge of the side plate body 471 so as to be screwed from the front side in the Z-axis direction. In addition, the upper front edge of the side panel main body 471 is inclined toward the rear (inside the room) in the Y-axis direction more than the lower front edge, and therefore the upper cap mounting piece 474 is inclined in the same manner as the upper front edge of the side panel main body 471. The outward extension dimension in the X-axis direction of the mounting pieces 472, 473 and the cap mounting piece 474 is set corresponding to the left-right dimension in the X-axis direction of the slat 3. For example, if the slat 3 has a large left-right dimension, a case side plate 47 constituting the mounting pieces 472, 473 and the cap mounting piece 474 with an extension dimension that is correspondingly smaller is selected, and, for example, if the slat 3 has a small left-right dimension, a case side plate 47 constituting the mounting pieces 472, 473 and the cap mounting piece 474 with an extension dimension that is correspondingly larger is selected.

[0016] The above-described shutter is assembled as follows. First, the left and right vertical frames 21, the top plate 22, the upper frame 25 (lintel) and the lower frame 26 are assembled to form the frame body 2, thereby forming the storage section 20. The frame body 2 is attached to the framework of the building. On the other hand, the case side plates 47 are attached to the left and right ends of the case back plate 46 to form the shutter case 45, and the left and right ends of the shutter winding shaft 42 are connected to the bearing members 475 fixed to the case side plates 47 to make the shutter curtain 41 capable of being wound up and unwound. Also, the wiring 6 and the communication unit 49 are provided on the outer surface side of the side plate body 471 of the case side plate 47 shown on the right side in FIG. 2, and the communication unit 49 is connected to the shutter winding shaft 42 side by a wiring 61. The other wiring 61 to be connected to other devices etc. after the installation of the electric shutter 1 is arranged from the communication unit 49 through the side wiring port 471B and the rear wiring port 461. In this manner, the shutter body 4 is formed. As the case side plates 47 described above, a plurality of types of case side plates 47 with different extension dimensions of the mounting pieces 472, 473 and the cap mounting pieces 474 are prepared to correspond to the slats 3 having different left and right dimensions depending on the type, such as steel or aluminum, and among the prepared plurality of types of case side plates 47, a case side plate 47 having mounting pieces 472, 473 and cap mounting pieces 474 with extension dimensions corresponding to the left and right dimensions of the slats 3 to be used is selected and used to configure the shutter case 45. For example, among the prepared case side plates 47, when the left and right dimensions of the slats 3 are large, a case side plate having mounting pieces 472, 473 and cap mounting pieces 474 with extension dimensions smaller by the large amount is selected, and, for example, among the prepared case side plates 47, when the left and right dimensions of the slats 3 are small, a case side plate having mounting pieces 472, 473 and cap mounting pieces 474 with extension dimensions larger by the small amount is selected. For this reason, when dealing with slats 3 having different left and right dimensions depending on the type, such as steel or aluminum, the visibility dimension of guide portion 478 can be made a common dimension, and there is no need to reconfigure guide portion 478 to have a new visibility dimension; it is sufficient to use case side panel 47 having mounting pieces 472, 473 and cap mounting piece 474 having an appropriate extension dimension for the slat 3 being used. Here, since the communication unit 49 is arranged on the outer surface side, not the inner surface side, of the case side plate 47, interference between the communication unit 49 and the slat 3 can be eliminated, and since it is not necessary to provide the communication unit 49 with a guide function for guiding the slat, the configuration of the communication unit 49 can be simplified. In addition, since the wiring 6 from the communication unit 49 is also arranged along the outer surface of the side plate main body 471, it is possible to eliminate interference of the wiring 6 along the side plate main body 471 with the slat 3. For example, when the communication unit 49 and the wiring 6 are provided along the inner surface of the side plate main body 471, it is necessary to cover the wiring 6 with a slat guide (guide member) that suppresses interference between the wiring 61 and the slat 3, but this embodiment can eliminate this need, and it is possible to reduce the number of parts of the slat guide and simplify the configuration. Furthermore, since the communication unit 49 is surrounded by the case side plate 47, the vertical frame 21, the side cap 7, the top plate 22, and the inspection plate 23 after the electric shutter 1 is assembled, it is possible to improve waterproofing. Next, the shutter main body 4 is installed in the storage section 20 of the frame body 2. Specifically, the shutter main body 4 is inserted into the storage section 20 from the front, the shutter case 45 is arranged as shown in FIG. 6, the mounting piece 472 of the case side plate 47 is overlapped with the case mounting piece 52 of the back plate 5, and the mounting piece 472 is detachably screwed to the case mounting piece 52. In this state, the front part of the case side plate 47 is arranged to protrude forward from the vertical frame 21. In the state in which the shutter main body 4 is attached to the frame body 2, an installation space 10 is formed between the side plate main body 471 and the back plate 5, and the above-mentioned communication unit 49 and wiring 6 are arranged in this installation space 10. In addition, since the mounting piece 472 and the like of the case side plate 47 extend outward in the Z-axis direction, the distance between the left and right side plate main bodies 471 in the X-axis direction can be shortened compared to the case where, for example, a case side plate in which the mounting piece 472 and the like extend inward in the Z-axis direction is used, and therefore the shutter winding shaft 42 can be shortened. In addition, in FIG. 6, the top plate 22, the shutter winding shaft 42, and the slats 3 are omitted. Next, the side cap 7 is screwed to the cap attachment piece 474 of the case side plate 47. The screwed side cap 7 is disposed at a forward position relative to the vertical frame 21 in the Z-axis direction, and covers the outer surface side of the front part of the case side plate 47 at this position. There is a space in the X-axis direction between the case side plate 47 and the side cap 7 that is open at the front side as shown in FIG. 2, and the communication unit 49 described above is disposed between the case side plate 47 and the side cap 7. Therefore, even if the side cap 7 is attached, if the inspection plate 23 described later is removed, the operation unit such as the program button and the USB port provided on the communication unit 49 can be easily used. In addition, as shown in FIG. 6, when the side cap 7 is removed, the communication unit 49 disposed at the front part of the case side plate 47 is largely exposed, so that the maintenance of the communication unit 49 can be easily performed by simply removing the side cap 7 without removing the shutter main body 4 from the frame body 2. Finally, the inspection plate 23 shown in FIG. 1 is hung on the top plate 22, and the left and right ends of the lower edge of the inspection plate 23 are removably screwed to the mounting pieces 473 of the case side plates 47 to assemble the electric shutter 1 shown in FIG.

[0017] [Variations] In the above embodiment, the drive unit for the shutter winding shaft 42, the communication unit 49, and the wiring 6 are provided as an electric shutter, but it is also possible to omit these components and use the shutter as a manual shutter. In the above embodiment, the side wiring port 471B is located at the upper rear part of the case side panel 47, but this is not limited thereto, and the wiring 6 inserted into the side wiring port 471B may be located at a position other than the upper rear part as long as the wiring 6 does not interfere with the shutter winding shaft 42 or the shutter curtain 41. In the above embodiment, the side caps 7 are configured to be attached to the case side plates 47. However, instead of this, the side caps may be configured to be attached to the vertical frames 21. In the above embodiment, the communication unit 49 is installed in the installation space 10 forward of the position of the vertical frame 21, but this is not limited to this, and the communication unit 49 may be installed in a position other than the forward position as long as the position in the installation space 10 makes it easy to perform maintenance, etc. of the communication unit 49. In the embodiment, the hole 471A formed in the side plate main body 471 is formed in a rectangular shape, but is not limited thereto, and may be formed in a half-moon shape, a semi-cylindrical shape, etc. In this case, the shape of the bearing member 475 may be changed from the above-mentioned shape in accordance with the shape of the hole 471A so that the bearing member 475 can be installed.

[0018] [Summary of the invention] (1) The electric shutter of the present invention is an electric shutter comprising a frame body and a shutter body attached to the frame body so as to be able to roll up and extend a shutter curtain, the shutter body having a shutter winding shaft aligned in the left-right direction so as to be able to roll up and extend the shutter curtain by rotational drive, and a shutter case accommodating the shutter winding shaft, the shutter case having a case side plate which rotatably supports the shutter winding shaft on its inner side, an installation space in which wiring connected to the shutter winding shaft is installed is formed between the outer surface side of the case side plate and the frame body, and a side wiring port through which the wiring is inserted is formed in the case side plate. According to the electric shutter of the present invention, the wiring is arranged in the installation space formed between the outer surface side of the case side plate and the frame body, so that the shutter curtain that is wound up and unwound by the rotational drive of the shutter winding shaft supported on the inner surface side of the case side plate can be prevented from interfering with the wiring. Furthermore, it is possible to eliminate the need to accommodate the wiring in a slat guide provided on the inner surface side of the case side plate to guide the multiple connected slats that make up the shutter curtain, for example, and therefore it is possible to eliminate the trouble of removing the slat guide for maintenance of the wiring, etc., and it is possible to improve the workability of maintenance, etc. In addition, the wiring installed in the installation space can be routed from the installation space to the inner surface side of the case side plate by inserting it through the side wiring port described above. (2) In the electric shutter of the present invention, the shutter case has a case back plate to which the rear portions of the case side plates are attached at both ends, and a rear wiring port through which the wiring is inserted is formed in the case back plate, and the side wiring port may be positioned at a position rearward and above the position of the shutter winding shaft. With this configuration, for example, when wiring to be installed in the installation space is inserted from the side wiring port to the rear wiring port, it is possible to eliminate the risk of the shutter winding shaft or the shutter curtain wound up by it interfering with the portion of the wiring located between the side wiring port and the rear wiring port, and it is possible to effectively prevent rainwater and the like from entering the side wiring port, etc. (3) In the electric shutter of the present invention, a communication unit that communicates an operation signal that rotates the shutter winding shaft is installed in the installation space forward of the position of the frame body, and a side cap that covers the side of the shutter body at a forward position relative to the frame body may be removably attached to the case side panel. With this configuration, the communication unit is exposed to the outside by simply removing the side cap, making it easy to operate the USB port, program button, and other components provided on the communication unit, thereby improving operability. [Explanation of symbols]

[0019] 1...electric shutter, 10...installation space, 2...frame body, 20...storage section, 21...vertical frame, 211...guide rail, 22...top plate, 23...inspection plate, 25...upper frame, 26...lower frame, 3...slat, 4...shutter body, 41...shutter curtain, 42...shutter winding shaft, 45...shutter case, 46...case back plate, 461...rear wiring port, 47...case side plate, 4 71...side plate main body, 471A...hole, 471B...side wiring port, 472, 473...mounting piece, 474...cap mounting piece, 475...bearing member, 476...shaft connecting portion, 476A...bottom, 476B...side portion, 477...fixing portion, 478...guide portion, 49...communication portion, 491...housing, 5...back plate, 51...extension piece, 52...case mounting piece, 6...wiring, 61...wiring, 7...side cap.

Claims

1. An electric shutter comprising a frame body and a shutter body attached to the frame body so as to be able to wind up and unwind a shutter curtain, The shutter body includes a shutter winding shaft that is rotatably driven to wind up and unwind the shutter curtain and a shutter case that accommodates the shutter winding shaft. The shutter case includes a case side plate that rotatably supports the shutter winding shaft on an inner side thereof, Between the outer surface side of the case side plate and the frame body, an installation space is formed in which wiring connected to the shutter winding shaft is installed, The case side plate is formed with a side wiring port through which the wiring is inserted. A distinctive electric shutter.

2. The electric shutter according to claim 1, The shutter case has a case back plate to which the rear portions of the case side plates are attached at both ends, The rear plate of the case is formed with a rear wiring port through which the wiring is inserted, The side wiring port is disposed at a position rearward and above the position of the shutter winding shaft. A distinctive electric shutter.

3. The electric shutter according to claim 1, A communication unit that communicates an operation signal for rotating the shutter winding shaft is installed in the installation space forward of the position of the frame body, A side cap is removably attached to the case side plate at a front position relative to the frame body to cover the side surface of the shutter body. A distinctive electric shutter.

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