Electric shutter

Abstract

To provide an electric shutter capable of improving workability of maintenance.SOLUTION: An electric shutter 1 comprises: a shutter case; a shutter winding shaft; a rotary drive unit; and a communication unit 49. The shutter case comprises: a case back plate 46; and a pair of case side plates 47 provided on both sides of the case back plate 46 in a depth direction respectively, to which the shutter winding shaft is fixed. The communication unit 49 comprises an equipment signal input unit including at least one of an equipment operation unit and an equipment input / output terminal, which are used during maintenance, and converts signals from the equipment signal input unit and transmits them to the rotary drive unit. The equipment signal input unit is provided so that part of it is exposed or protrudes from at least one of a lower side and the case back plate 46 side in the communication unit 49. The communication unit 49 is rotatably mounted around a fixing screw 10 extending in the depth direction on an external side in the depth direction on one case side plate 47.SELECTED DRAWING: Figure 5

Description

[Technical field]

[0001] The present invention relates to an electric shutter. [Background technology]

[0002] 2. Description of the Related Art Electric shutters that are driven by an electric motor to wind and unwind the shutter are known (see, for example, Patent Document 1). A winding shaft connected to a shutter curtain is attached to the side plates provided on both sides of the back plate in the electric shutter described in Patent Document 1. An inner slat guide, a lower slat guide, and an outer slat guide are provided on the inner surface of one side plate facing the other side plate so as to surround the winding shaft. The inner slat guide is arranged to cover the portion located between the back plate and an imaginary vertical plane passing through the axis of the winding shaft. The lower slat guide is arranged to cover the lower portion of the outdoor side surrounded by an imaginary vertical plane passing through the axis of the winding shaft and an imaginary horizontal plane passing through the lower surface of the winding shaft. The outer slat guide is arranged to cover the upper portion of the outdoor side surrounded by an imaginary vertical plane passing through the axis of the winding shaft and an imaginary horizontal plane passing through the lower surface of the winding shaft, and is attached to the side plate by screwing a screw into the side plate through a screw through hole provided on the upper side. A communication device is provided in the outer storage space of the outer slat guide to connect a control unit that controls the electric motor to external devices such as a remote control or an indoor terminal device. The communication device has input / output terminals including operation buttons, and the input / output terminals are exposed downward from the lower end of the outer slat guide, and the display unit is exposed to the outside from the surface facing outside the outer slat guide chamber. [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, with the configuration described in Patent Document 1, when performing maintenance on the electric shutter by operating the operation buttons on a communications device or connecting a mobile terminal to the input / output terminal, it is necessary to remove the inner slat guide and lower slat guide from the side panel, and then rotate the outer slat guide around the screw inserted into the screw through-hole so that the lower side moves to the outside of the room (in front of the electric shutter), and a configuration that improves workability was desired.

[0005] An object of the present invention is to provide an electric shutter that can improve the ease of maintenance work. [Means for solving the problem]

[0006] The electric shutter of the present invention comprises a shutter case, a cylindrical shutter winding shaft to which a shutter curtain is attached and which is placed within the shutter case, a rotation drive unit that is placed within the shutter winding shaft and rotates the shutter winding shaft, and a communication unit, wherein the shutter case comprises a case back plate and a pair of case side plates each provided on both sides of the case back plate in the finding direction and to which the shutter winding shaft is fixed, the communication unit has an equipment signal input unit that includes at least one of an equipment operation unit and an equipment input / output terminal used during maintenance, converts a signal from the equipment signal input unit and transmits it to the rotation drive unit, and the equipment signal input unit is provided so that a portion of the equipment signal input unit is exposed or protrudes from at least one of the lower side and the case back plate of the communication unit, and the communication unit is attached to the outer surface side of the finding direction of one of the case side plates so as to be rotatable around a rotation axis extending in the finding direction. Effect of the Invention

[0007] According to the present invention, it is possible to provide an electric shutter that can improve the ease of maintenance work. [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. 4 is a perspective view showing a case side plate of the electric shutter according to the embodiment. [Figure 6] FIG. 4 is a diagram showing a state in which a case side plate of the electric shutter according to the embodiment is viewed from inside the shutter case. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] [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 arranged 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 that slats 3 can be wound up and extended. 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 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 (lintel), 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 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 (see FIG. 5) that extend inward in the X-axis direction from its upper and lower edges, and the extension piece 51 has a case mounting piece 52 whose front side is bent up and down. The case side plate 47 is detachably fixed to the case mounting piece 52 by screwing it from the front.

[0011] As shown in Figure 2, the shutter body 4 includes a shutter curtain 41 composed of multiple connected slats 3, a shutter winding shaft 42 along the X-axis direction that can wind and unwind the shutter curtain 41, a tubular motor 43 which is an electric motor that drives the shutter winding shaft 42, a control unit 44 that operates the tubular motor 43, and a shutter case 45 that supports the shutter winding shaft 42. The shutter curtain 41 is constructed by connecting the multiple slats 3 described above so that they can rotate freely with each other, and the uppermost slat of 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 of the frame body 2.

[0012] The tubular motor 43 and the control unit 44 constitute a rotation drive unit, and are built into the shutter winding shaft 42. The operation of the tubular motor 43 is controlled by the control unit 44, and a communication device 491 of a communication unit 49 (communication unit) shown in FIG. The communication unit 49 includes a communication device case 492 made of, for example, synthetic resin, in which a communication device 491 is built in. The communication device case 492 is formed by combining left and right halves 492A in the X-axis direction, and has an arc-shaped concave surface 492B that is recessed forward. An upper end 492C of the communication device case 492 is formed facing backward, and a lower end 492D is formed facing downward. A case-side through-hole (not shown) through which a fixing screw 10 is inserted is formed in the upper part of the communication device case 492.

[0013] The communication device 491 is configured to be capable of wireless communication with a remote control (remote controller) not shown, and is also configured to be capable of wired communication with a wired operation unit not shown, and converts signals from the remote control or the wired operation unit and transmits them to the control unit 44. Based on this signal, the electric shutter 1 is driven. In addition, the communication device 491 has a device signal input unit 493 including a reset switch 493A and a device input / output terminal 493B as a device operation unit used during maintenance, and converts a signal based on the operation of the reset switch 493A or a signal from a terminal device connected to the device input / output terminal 493B and transmits it to the control unit 44. Based on this signal, maintenance of the electric shutter 1 is performed. The reset switch 493A and the device input / output terminal 493B are provided so that a part of each is exposed downward from the lower end portion 492D of the communication device case 492. At least one of the reset switch 493A and the device input / output terminal 493B may be arranged to protrude downward from the lower end portion 492D, or may be arranged to be exposed or protrude rearward (toward the case back panel 46 described later) from the concave surface 492B or a lower rear surface portion 492E located between the concave surface 492B and the lower end portion 492D.

[0014] As shown in Figures 2 to 5, the shutter case 45 comprises a case back plate 46 aligned along the X-axis direction in which a wiring port 461 through which the wiring 6 is inserted is formed, and a pair of left and right case side plates 47 fixed to and protruding forward from both left and right edges of the case back plate 46. A resin side cap 7 is attached to the case side plates 47 and positioned forward relative to the upper part of the vertical frame 21 in the Z-axis direction, covering the side of the shutter body 4. The case side plate 47 has a side plate body 471 that rotatably supports one end of the shutter winding shaft 42 and rotatably supports the communication unit 49, 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, a pair of upper and lower cap mounting pieces 474 to which the side cap 7 is screwed, a clamping piece 481 that clamps the communication unit 49 together with the side plate body 471, a connecting piece 482 that connects the side plate body 471 and the clamping piece 481, and a reverse rotation restricting part 483 that restricts the rotation of the communication unit 49. The cap mounting piece 474 is disposed forward of the mounting piece 472.

[0015] The side plate main body 471 is in the shape of a flat plate, and its front portion is disposed so as to protrude forward in the Z-axis direction beyond the vertical frame 21. A main body-side through-hole (not shown) through which the fixing screw 10 is inserted is provided at an upper portion of the portion of the side plate main body 471 protruding forward beyond the vertical frame 21. The connecting piece 482 extends outward (outward in the viewing direction) in the X-axis direction from the upper end of the body-side through hole in the side plate main body 471 toward the vertical frame 21. The clamping piece 481 extends downward from the tip of the connecting piece. A female screw portion 481A is provided at a position facing the body-side through hole in the clamping piece 481. The communication unit 49 is attached to the case side plate 47 by a fixing screw 10 that is inserted from the inside of the shutter case 45 through the body-side through hole of the side plate main body 471 and the case-side through hole of the communication device case 492 and is screwed into the female screw portion 481A of the clamping piece 481. At this time, as shown in FIG. 6, the fixing screw 10 is attached at a position that is not hidden by the shutter curtain 41 when the entire shutter curtain 41 is wound around the shutter winding shaft 42 (when the electric shutter 1 is fully open). When the fixing screw 10 is tightened, the communication unit 49 is fixed by being clamped between the side plate body 471 and the clamping piece 481. On the other hand, when the fixing screw 10 is loosened, the communication unit 49 is released from being clamped between the side plate body 471 and the clamping piece 481, and becomes rotatable around the fixing screw 10, which functions as a rotation axis extending in the viewing direction.

[0016] The reverse rotation restricting portion 483 extends outward from the rear side of the connecting piece 482 toward the vertical frame 21 side, and restricts the rotation of the lower end portion 492D toward the case back plate 46 by abutting against the upper portion of the communication device case 492.

[0017] 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 wiring port 471B through which the wiring 6 is passed is formed in the rear upper portion of the side plate body 471 in the Z-axis direction. The wiring 6 from the shutter winding shaft 42 side is inserted through the hole 471A and connected to the communication device 491, and the wiring 6 connected from the communication device 491 to other devices, etc., extends to the space on the indoor side of the electric shutter 1 through the wiring ports 471B and 461. The bearing member 475 disposed in the hole 471A has a shaft connecting portion 476 having an approximately U-shape and a three-sided fixing portion 477 that is bent outward from the shaft connecting portion 476 and riveted to the side plate body 471. Although hole 471A formed in side plate main body 471 is formed in a rectangular shape, it is not limited thereto and may be formed in a half-moon shape, a semi-cylindrical shape, etc. In this case, bearing member 475 may be changed in shape from the above-mentioned shape in accordance with the shape of hole 471A so as to be installable.

[0018] The mounting pieces 472, 473 and the cap mounting piece 474 extend outward 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 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.

[0019] The maintenance of the electric shutter 1 described above is carried out as follows. First, with the electric shutter 1 in a fully open state, with the shutter curtain 41 not wound at all around the shutter winding shaft 42 (fully closed state of the electric shutter 1), or with only part of the shutter curtain 41 wound around the shutter winding shaft 42 (half-open state of the electric shutter 1), the worker removes the inspection plate 23 as shown in Figure 2 to expose the communication unit 49 to the front. Next, the worker loosens the fixing screw 10 to make the communication unit 49 rotatable. At this time, since the fixing screw 10 is inserted from the inside of the shutter case 45, the fixing screw 10 can be easily operated even if the electric shutter 1 is installed in a recessed corner. Also, since the fixing screw 10 is located at the position shown in FIG. 6, the fixing screw 10 can be easily loosened or tightened in any of the fully closed state, the fully open state, and the half-open state of the electric shutter 1. Note that when loosening the fixing screw 10, it may be loosened to the extent that the communication unit 49 does not freely rotate due to friction between the side plate main body 471 and the clamping piece 481. 5 from the state shown by the solid line to the state shown by the two-dot chain line around the fixing screw 10, the worker makes the device signal input unit 493 visible, and then operates the reset switch 493A or connects a terminal device to the device input / output terminal 493B and operates the terminal device, thereby performing maintenance on the electric shutter 1. In this way, the communication unit 49 can be rotated to make the device signal input unit 493 visible to the worker, thereby improving the ease of maintenance work.

[0020] After maintenance is completed, the worker rotates communication unit 49 from the state shown by the two-dot chain line in Fig. 5 to the state shown by the solid line, and fastens fixing screw 10 to fix communication unit 49 to case side plate 47. By configuring communication unit 49 to be fixed to case side plate 47 in this manner, it is possible to prevent communication unit 49 from rotating unnecessarily. In addition, since the rotation of communication unit 49 is restricted by abutment with reverse rotation restricting portion 483, deformation and damage of wiring 6 located behind communication unit 49 can be suppressed. Finally, the worker installs the inspection plate 23.

[0021] [Variations] For example, the device signal input unit 493 may not be equipped with a reset switch 493A or a device input / output terminal 493B, and the device operation unit may be used for operations other than the reset operation, such as winding or unwinding the shutter curtain 41. A clamping piece 481 may have a clamping one-side through-hole instead of a female threaded portion, and the fixing screw 10 may be inserted from the outside of the shutter case 45 through the clamping one-side through-hole, the case-side through-hole, and the main body-side through-hole to be screwed into the female threaded portion provided in the main body-side through-hole or a nut located on the inside of the side plate main body 471, in which case it is preferable that the nut is fixed to the side plate main body 471. Also, a clamping piece 481 may have a clamping one-side through-hole instead of a female threaded portion, and the fixing screw 10 inserted into the clamping one-side through-hole may be screwed into a nut located on the outside of the clamping piece 481, in which case it is preferable that the nut is fixed to the clamping piece 481. A clamping piece 481 may have a clamping-side through-hole instead of a female screw portion, and a rod-shaped member such as a pin may be used as a rotation axis inserted through the clamping-side through-hole, the case-side through-hole, and the main body-side through-hole. In this case, the rod-shaped member may be fixed to the clamping-side through-hole and the main body-side through-hole so that the communication unit 49 rotates freely, or the rod-shaped member may be fixed to the clamping-side through-hole and the main body-side through-hole so that the communication unit 49 does not rotate freely due to friction between the side plate main body 471 and the clamping piece 481. The attachment position of the fixing screw 10 or rod-shaped member as the rotation axis is not limited to the upper part of the side plate main body 471, but may be the lower part or the center in the vertical direction. However, the upper part is preferable from the viewpoint of making the device signal input unit 493 visible to the operator with a small amount of rotation. When the electric shutter 1 is in the fully open state, the fixing screw 10 may be hidden by the shutter curtain 41. In this case, the fixing screw 10 is located outside the shutter curtain 41 when the electric shutter 1 is in the fully closed or half-open state. The case side plate 47 does not need to be provided with the reverse rotation restricting portion 483. In this case, the side cap 7 may be provided with the reverse rotation restricting portion.

[0022] [Summary of the invention] The electric shutter of the present invention comprises a shutter case, a cylindrical shutter winding shaft to which a shutter curtain is attached and which is placed within the shutter case, a rotation drive unit that is placed within the shutter winding shaft and rotates the shutter winding shaft, and a communication unit, wherein the shutter case comprises a case back plate and a pair of case side plates each provided on both sides of the case back plate in the finding direction and to which the shutter winding shaft is fixed, the communication unit has an equipment signal input unit that includes at least one of an equipment operation unit and an equipment input / output terminal used during maintenance, converts a signal from the equipment signal input unit and transmits it to the rotation drive unit, and the equipment signal input unit is provided so that a portion of the equipment signal input unit is exposed or protrudes from at least one of the lower side and the case back plate of the communication unit, and the communication unit is attached to the outer surface side of the finding direction of one of the case side plates so as to be rotatable around a rotation axis extending in the finding direction. According to the present invention, when performing maintenance on an electric shutter, the communication unit can be rotated to position the equipment signal input section in a position visible to the worker, thereby improving the ease of maintenance work.

[0023] In the electric shutter of the present invention, it is preferable that the one of the case side panels comprises a side panel main body to which the shutter winding shaft is fixed, a connecting piece extending outward from the side panel main body in the viewing direction, and a clamping piece extending from the connecting piece so as to clamp the communication unit between the side panel main body and the connecting piece, and the pivot shaft is a fixing screw inserted through the side panel main body and the communication unit from the inside of the shutter case and screwed into the clamping piece, or a fixing screw inserted through the clamping piece and the communication unit from the outside of the shutter case and screwed into the side panel main body, and the communication unit is fixed to the one of the case side panels by tightening the fixing screw and being clamped by the side panel main body and the clamping piece, and is made rotatable by loosening the fixing screw and releasing the clamping by the side panel main body and the clamping piece. According to the present invention, when performing maintenance on the electric shutter, the fixing screw can be loosened to rotate the communication unit, and when maintenance on the electric shutter is completed, the fixing screw can be tightened to prevent the communication unit from rotating unnecessarily. In particular, in a configuration in which the fixing screw is inserted from the inside of the shutter case, the fixing screw can be easily operated even when the electric shutter is installed in a recessed corner.

[0024] In the electric shutter of the present invention, it is preferable that the fixing screw is inserted through the side panel main body and the communication unit from the inside of the shutter case and screwed into the clamping piece, and is installed in a position that is not hidden by the shutter curtain when the entire shutter curtain is wound up around the shutter winding shaft. According to the present invention, the communication unit can be rotated regardless of whether the electric shutter is in a fully open, half open or fully closed state.

[0025] It is preferable that the electric shutter of the present invention further comprises a reverse rotation restricting portion that restricts rotation of the lower side of the communication unit toward the back plate of the case. According to the present invention, it is possible to prevent the communication unit from rotating too much, which could cause deformation or damage to components such as wiring located on the back panel side of the case of the communication unit. [Explanation of symbols]

[0026] 1...electric shutter, 10...fixing screw, 41...shutter curtain, 42...shutter winding shaft, 43...tubular motor (rotation drive unit), 44...control unit (rotation drive unit), 45...shutter case, 46...case back plate, 47...case side plate, 49...communication unit (communication unit), 471...side plate main body, 481...clamping piece, 481A...female thread portion, 482...connecting piece, 483...reverse rotation regulating portion, 493...equipment signal input portion, 493A...reset switch (equipment operation portion), 493B...equipment input / output terminal.

Claims

1. The shutter system includes a shutter case, a cylindrical shutter winding shaft to which a shutter curtain is attached and which is disposed within the shutter case, a rotation drive unit which is disposed within the shutter winding shaft and which rotates the shutter winding shaft, and a communication unit, The shutter case includes a case back plate and a pair of case side plates provided on both sides of the case back plate in a viewing direction and to which the shutter winding shaft is fixed, the communication unit has an equipment signal input section including at least one of an equipment operation section and an equipment input / output terminal used during maintenance, converts a signal from the equipment signal input section and transmits it to the rotation drive section; the device signal input unit is provided so as to be partially exposed or protruding from at least one of a lower side of the communication unit and a rear panel side of the case, The communication unit is attached to an outer surface side in a facing direction of one of the case side panels so as to be rotatable about a rotation axis extending in the facing direction.

2. The electric shutter according to claim 1, the one case side plate includes a side plate main body to which the shutter winding shaft is fixed, a connecting piece extending outward from the side plate main body in the viewing direction, and a clamping piece extending from the connecting piece so as to clamp the communication unit between the side plate main body and the connecting piece, the pivot shaft is a fixing screw inserted through the side plate body and the communication unit from the inside of the shutter case and screwed into the clamping piece, or a fixing screw inserted through the clamping piece and the communication unit from the outside of the shutter case and screwed into the side plate body, The communication unit is fixed to one of the case side panels by tightening the fixing screw and being clamped by the side panel body and the clamping piece, and becomes rotatable by loosening the fixing screw and releasing the clamping by the side panel body and the clamping piece, an electric shutter.

3. The electric shutter according to claim 2, An electric shutter, wherein the fixing screw is inserted through the side panel body and the communication unit from the inside of the shutter case and screwed into the clamping piece, and is attached in a position that is not hidden by the shutter curtain when the entire shutter curtain is wound up around the shutter winding shaft.

4. The electric shutter according to any one of claims 1 to 3, The electric shutter further includes a reverse rotation restricting portion that restricts rotation of the lower side of the communication unit toward the back plate of the case.

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