JP5996274B2 - Architectural shutter device - Google Patents

Description

  The present invention relates to a technical field of an architectural shutter device provided in an opening of a building.

  Generally, in a sheet shutter device for construction, a shutter curtain made of a flexible sheet material is wound around a winding drum provided in a shutter case provided in a casing above the opening, while the winding drum is used as a shutter case. The shutter curtain can be opened and closed by interlocking and linking with the opening and closing device installed in the door, and the opening and closing operation of the opening and closing device. There is known a control unit that controls the driving of a shutter case (see, for example, Patent Documents 1 and 2).

Japanese Patent Laid-Open No. 2004-27656 JP 2005-12036 A

  By the way, it is necessary for such a control unit to change the specifications of the opening / closing operation and adjust or change the opening / closing speed by maintenance such as inspection of wiring, switching of the DIP switch provided in the control unit, etc. Detachably attaches the bottom plate of the shutter case and removes the bottom plate during maintenance, but this work is difficult to work because it is difficult to work because it looks up from below. There are problems to be solved by the present invention.

The present invention has been created in view of the above circumstances and has been created for the purpose of solving these problems. The invention of claim 1 is directed to a winding drum around which a shutter curtain is wound, and the winding drum. In an architectural shutter device in which a shutter case is equipped with an opening / closing device that opens and closes a shutter curtain by rotating the drum forward and backward, and a control unit that controls driving of the opening / closing device, the front plate of the shutter case is The upper vertical surface depending from the upper front end, the lower vertical surface rising upward from the lower front end at a position protruding forward from the upper front end, the lower end of the upper vertical surface, and the upper end of the lower vertical surface And a slanting surface that is inclined in a front-rear and a rear-inclined shape so as to be connected to each other. Further down below In the shutter case inner space on the bottom plate of the case case, the switch and the control unit are arranged adjacent to each other in a line on the left and right sides, and the lower vertical surface is positioned in front of the control unit and when viewed from the front, the control unit The shutter device for construction is characterized in that an inspection window is provided in which the opening / closing lid is detachably closed so that the opening / closing machine is sized to be hidden in the lower vertical surface .
The invention according to claim 2 is the architectural shutter device according to claim 1, characterized in that the open / close lid has upper and lower sides that coincide with the upper and lower sides of the lower vertical surface of the front plate of the shutter case .
According to the invention of claim 3, a locking groove is formed at both left and right end portions of the inspection window, a locking claw that is locked in a temporarily holding shape in the locking groove is formed in the opening / closing lid, The architectural shutter device according to claim 1, wherein the temporary shutter is screw-fixed to a front plate.
The invention according to claim 4 is the architectural shutter device according to claim 3, characterized in that a pair of locking claws protrude symmetrically in the vertical direction from the vertical center of the opening / closing lid.

According to the first aspect of the present invention, the space below the winding drum in the shutter case can be effectively used as an arrangement space for electric parts such as a control unit and a switch, and these electric parts can be used on the front plate of the shutter case. Since these electrical components are placed close to each other, they can be used on the front plate of the shutter case when performing maintenance, changing the specifications of the opening / closing operation, or adjusting or changing the opening / closing speed by switching the DIP switch provided in the control unit. Maintenance work can be performed at a position close to the front by the provided inspection window, so that the workability of the maintenance work can be improved and the work time can be shortened.
Further, since a long space in the left-right direction of the shutter case can be effectively used, an increase in the size of the shutter case can be avoided.
According to the invention of claim 3, since the opening / closing lid can be screw-fixed in a temporarily held state by the locking claw, the attaching / detaching operation of the opening / closing lid can be easily performed by one person.
According to the invention of claim 4, since the opening / closing lid can be mounted upside down, the opening / closing lid can be mounted without checking the upper and lower sides one by one, and the workability is improved.

It is a front view of a sheet shutter device. It is a principal part enlarged front view of a sheet shutter apparatus. It is a principal part enlarged side view of a sheet shutter apparatus. It is a horizontal sectional view of a guide rail part. It is a side view by the side of the drive bracket part of the state which removed the cover plate of the shutter case part. (A), (B), (C), (D) is the front view, side view, top view, and bottom view of a drive side bracket. (A), (B), (C), (D) is the front view of a driven side bracket, a side view, a top view, and a bottom view. (A), (B) (C) is the front view, top view, and side view of a ceiling board and a backplate. (A), (B), (C), (D) is a front view, a plan view, a side view, and a bottom view of a bottom plate. (A), (B), (C) is the front view, side view, and bottom view of a front plate. (A), (B), (C) is the front view, top view, and side view of an opening-and-closing lid. It is a perspective view of a connection board part. (A), (B), (C) is the front view of a connection board, a top view, and a side view. (A), (B), (C) is the front view of a cover board, a top view, and a side view.

Next, embodiments of the present invention will be described with reference to the drawings.
In the drawings, reference numeral 1 denotes a shutter curtain of a sheet shutter device that opens and closes an opening formed in a building (frame B) to partition the inside and outside of the building. The shutter curtain 1 is a flexible sheet. It is made of a material and is wound around a take-up drum 3 that is rotatably mounted in a shutter case 2 that protrudes toward an upper inner side of an opening formed in the housing B. As will be described later, the winding drum 3 is linked to an opening / closing machine 4 provided in the shutter case 2, and the shutter curtain 1 wound around the winding drum 3 is driven to open / close the opening / closing machine 4. The position of the opening is changed between the fully closed position in which the opening is closed by being unwound from the winding drum 3 and the fully open position in which the opening is opened by being wound around the winding drum 3. At this time, the left and right side edges of the shutter curtain 1 are set so as to be moved and guided by a pair of left and right guide rails 5 fixed to the chassis B on both sides in the left and right direction of the opening, All of these basic configurations are the same as before.

  In the shutter curtain 1, the sheet material 1a is integrated over the entire length of the left and right side edges, and a plurality of locking pieces 1b are vertically spaced at the outer edge of the left and right direction of each sheet material 1a. It is provided in the state that exists. As will be described later, these locking pieces 1b are configured to be fitted on the guide rail 5 in a retaining shape and receive vertical movement guidance. Further, a bag-like portion 1c is formed by folding back a sheet material at portions other than the left and right end portions of the lower edge of the shutter curtain 1, and the bag-like portion 1c is internally provided with a bottom weight 1d. . Accordingly, in the process of closing the shutter curtain 1, the bottom weight 1d acts as a weight to make the closing operation smooth, and when contacting the obstacle, the bottom weight 1d acts as a buffer member to absorb the shock. Is set to

  The pair of left and right long guide rails 5 provided on both sides of the opening are L-shaped rails that are located on the left and right sides of the opening and are dotted in the vertical direction and fixed to the housing B. A first rail 6 formed by a bracket 6a and a rail cover 6b that is long in the vertical direction and forms a rectangular tube-shaped space facing the rail bracket 6a, and is laminated inward in the left-right direction of the first rail 6 The second rail 7 provided on the side of the shutter curtain 1 and the locking pieces 1b provided on both sides of the shutter curtain 1 are movable in the vertical direction and are fitted in the state of being secured in the horizontal direction. And is configured.

  The second rail 7 is formed in a long body having a length from the floor surface to the lower end of the shutter case 2 and is formed in a U-shaped cross section that opens inward in the left-right direction. The first and second rails 6 and 7 are integrated by screwing.

Further, a third rail 8 made of an elastically deformable resin material is provided in the concave groove 7a of the second rail 7, and the third rail 8 reaches the lower end of the shutter case 2 from the floor surface. A guide piece 8a is formed over the entire length in the up-down direction, and is formed on the outside in the left-right direction. A bolt support piece 8b that fits and supports the head portion 9a of the bolt 9 in the left-right direction is formed over the entire length in the vertical direction. The third rail 8 configured as described above is configured such that the head portions 9a of the plurality of bolts 9 are fitted to the bolt support pieces 8b, and the screw portions 9b projecting outward in the left-right direction of the bolts 9 are A plurality of through-holes 7c formed with a predetermined gap in the vertical direction in the groove bottom piece 7b of the two rails 7 and the first rail 6 are respectively freely fitted so as to be freely movable in the left-right direction. The nut 9c is screwed into the penetrating end portion of the screw portion 9b projecting into the groove, so that the nut 9c is assembled in a state of being prevented from being pulled out from the second rail 7. Further, a screw 9b of the bolt 9 located in the dovetail groove of the first rail 6 and on the outer periphery of the screw portion 9b located between the groove bottom piece 7b of the second rail 7 and the nut 9c 9d is interposed, and the bolt head 9a is urged outward in the left-right direction by the urging force of the coil bullet 9d.
Thus, the third rail 8 is supported in a state where the bolt support piece 8b is elastically pressed against the groove bottom piece 7b of the second rail 7, and when the load due to wind pressure or the like acts on the shutter curtain 1, the load is predetermined. The third rail 8 swings in the front-rear direction together with the bolt 9, and further, the third rail 8 moves in the left-right direction together with the bolt 9 against the urging force of the coil bullet 9d. Based on the inward displacement, the deformation of the shutter curtain 1 is allowed without the locking piece 1b being pulled out from the guide piece 8a of the third rail 8, and the load acting on the shutter curtain 1 is a predetermined amount. If it is larger than this, the locking piece 1b is extracted from the third rail 8 based on the elastic deformation of the guide piece 8a, and the shutter curtain 1 and the third rail 8 can be protected. There.

The shutter case 2 of the present embodiment is configured using left and right brackets (side plates) 10 and 11, a front plate 12, a bottom plate 13, an integrated ceiling and back plate 14, and left and right cover plates 15. Yes. The left and right brackets 10 and 11 are provided with main body portions 10a and 11a which are vertical. From the main body portions 10a and 11a, ceiling pieces 10b and 11b, back pieces 10c and 11c, and bottom pieces 10d and 11d are provided. Bending is formed outward in the left-right direction from an upper edge that is a horizontal edge, a rear edge that is a vertical edge, and a lower edge that is a horizontal edge.
Further, the front edges of the main body portions 10a and 11a become vertical edges with the lower side protruding forward, from which the lower front pieces 10e and 11e are bent outwardly in the left-right direction, and the upper side recedes backward. In this state, the upper front pieces 10f and 11f are bent and the bent pieces are not formed between the upper and lower front pieces 10f and 10e and 11f and 11e.

  The left and right bracket body portions 10a and 11a are formed with shaft mounting holes 10g and 11g for through-mounting the winding shaft 3a integrated with the winding drum 3, and the winding shaft 3a is attached to the left and right bracket body portions 10a and 11a. In a state where the holes 10g and 11g are penetrated, the bearing 3b rotatably provided on the winding shaft 3a is applied to the bracket main body portions 10a and 11a from the inner side in the left-right direction via the bolt 3c and the bracket main body portion 10a. , 11a to be attached by screwing.

Further, the left and right bracket main body portions 10a and 11a are provided at positions above and behind the shaft mounting holes 10g and 11g, that is, directly above the magnet where the shutter curtain 1 is fed from the shutter case 2, and the ceiling pieces 10b and 11b. Obstacle detection sensor (in the present embodiment, composed of a light projecting / receiving device and configured to detect an obstacle by blocking the optical axis) at a lower front side position than the corners of the back pieces 10c and 11c. ) 16 mounting holes 10h and 11h are formed. The obstacle detection sensor 16 is provided with mounting pieces 16a protruding from the obstacle detection sensor 16 in the left and right bracket body portions 10a and 11a in a state where approximately 2/3 protrudes outward in the left and right direction with respect to the bracket body portions 10a and 11a. On the other hand, it is screwed and fixed via a screw 16b while being applied from the outside in the left-right direction.
The optical axis of the fixed obstacle detection sensor 16 is set so as to pass outside (outside diameter side) from the outer periphery of the shutter curtain 1 wound to the maximum extent around the winding drum 3. When the shutter curtain that is closed by the driving of 4 hits an obstacle, the shutter curtain 1 detects an obstacle by blocking the optical axis due to the deflection of the shutter curtain 1 at a position directly above the magnet in the shutter case 2. Yes.

One bracket (right side bracket in this embodiment) 10 serving as a drive side bracket is located at a position lower forward than the shaft mounting hole 10g, that is, inside the corner portion of the bottom piece 10d and the lower front piece 10e. A switch mounting hole 10i having a diameter through which the drive gear 4b mounted on the drive shaft 4a of the switch 4 can pass is formed.
The opening / closing machine 4 has the driving gear 4b attached to the driving shaft 4a passed through the bracket body 10a from the inside in the left-right direction to the outside, and the opening / closing machine 4 is moved to the inner side in the left-right direction of the bracket body 10a. In this way, the opening / closing machine 4 drives the case space formed in front of and below the winding drum 3 of the shutter case 2. It is arranged on the bracket side half.
The drive gear 4b of the switch 4 attached in this way is interlocked and connected via an endless chain 17 to a driven gear 3d attached and fixed to the take-up shaft 3a protruding outward in the left-right direction from the shaft attachment hole 10g. The shutter curtain 1 can be opened and closed by the rotation of the winding drum 3 when the opening / closing machine 4 is driven forward and backward.
Note that wiring notches 10j, 10k, 11j, and 11k for routing the wiring are formed in the main body portions 10a and 11a and the bottom surface pieces 10d and 11d.

The ceiling and the back plate 14 are integrally formed of an inverted L-shaped plate material, and have a top surface portion 14a and a back surface portion 14b. The bottom edge of the back surface portion 14b is bent forward. The left and right ends are fixed pieces 14d fixed to the main body bottom piece 10d, 11d via screws 14c.
The left and right end portions of the top surface portion 14a are fixed to the main body ceiling pieces 10b and 11b via screws 14e, and the front plate is bent downward at the front end of the top surface portion 14a. 12, the cover plate 15 and the left and right end portions are formed with fixing pieces 14g that are fixed to the main body upper front pieces 10f and 11f from the front side via screws 15a.
On the other hand, the main body ceiling pieces 10b and 11b are notched at the front end edges, and a gap S is formed between the upper front pieces 10f and 11f, and at the portion corresponding to the gap S of the top surface portion 14a. A notch 14h is formed so that the gap S and the notch 14h communicate with each other at the ceiling portion. The back surface portion 14b is provided with an attachment piece 14i for attaching a sealing material 18 for contacting and sealing the rear surface of the shutter curtain 1.

  The bottom plate 13 is fixed to the main body bottom pieces 10d and 11d via screws 13a, but front and rear bent pieces 13b and 13c are formed at the front and rear end edges. The rear bent piece 13c is provided with a sealing material 18a for contacting and sealing the front surface of the shutter curtain 1.

The front plate 12 is an inclined surface inclined in a front, rear, and rear height so as to connect the upper vertical surface 12a, the lower vertical surface 12b, and the upper and lower vertical surfaces 12a and 12b so as to follow the front edge shape of the main body portions 10a and 11a. Although bent by 12c, a bent curved surface 12d bent toward the rear side is provided at the lower end edge.
On the other hand, hook-shaped locking hooks 12e are provided on the left and right ends of the upper edge of the front plate 12. The front plate 12 is held in a temporary holding state by engaging and locking the locking hook 12e with the gap S and the notch 14h in the communication state, and in this temporary holding state, a screw 15a is used as described later. The upper and lower front pieces 10f, 10e and 11f, 11e are fixed together with the cover plate 15 through the cover.

Reference numeral 19 denotes a control unit for controlling the opening / closing of the opening / closing device 4, and the control unit 19 is driven by the opening / closing device 4 in a case space formed in front of and below the winding drum 3 of the shutter case 2. It is arranged in a state of being adjacent to the left and right adjacent to the bracket 11 side, and is attached to the bottom plate 13 via screws 19a. Further, although not shown in the drawings, inside the case space formed in front of and below the winding drum 3 of the shutter case 2 is an opening / closing device 4, a control unit 19, an obstacle detection sensor 16, and an operation switch 22 provided on the guide rail 5. It is also a space for wiring to connect the power supply.
An inspection window 12f is opened at a portion of the front plate 12 facing the control unit 19 so that the control unit 19 can be inspected from the inspection window 12f. It is provided freely. Locking grooves 12g are formed in the left and right side edges of the inspection window 12f.
On the other hand, a locking tool 20a is fixed to the rear surface of the opening / closing lid 20 at the center in the vertical direction, and a locking claw 20b projects from the locking tool 20a in the vertical direction. The opening / closing lid 20 is temporarily held by the locking claw 20b being locked to the lower side of the locking groove 12g by lowering the locking claw 20b in a state where the locking claw 20b is fitted in the locking groove 12g. It is fixed to the front plate 12 via screws 20c in the temporary holding state. The locking tool 20a is provided at the center in the vertical direction, and the locking claws 20b are formed vertically, so that the opening / closing lid 20 can be attached to the front plate 12 regardless of which is upside down (reverse to upside down). It can be installed).

Reference numeral 21 denotes a connecting plate for connecting the shutter case 2 and the guide rail 5 to the housing B. The connecting plate 21 has a substantially right triangle shape, and a main body configured so that the right angle corner is the upper end of the rear part. A plate portion 21a is provided, and an upper plate portion 21b and a rear plate portion 21c that are bent outward in the left-right direction are provided on the upper edge and the rear edge of the main body plate portion 21a.
Then, the connecting plate 21 is fixed to the second rail 7 with the application bolt 21d from the outside in the left-right direction before the guide rail 5 is fixed to the housing B. After that, the guide rail 5 is stood up and fixed to the housing B via a bolt 21f applied to the housing B (or by welding). At this time, as described above, bolts are fixed (or fixed by welding) to the frame B side of the rail bracket 6a. Thereafter, the shutter case 2 is placed on the left and right connecting plates 21, and the connecting plate upper plate portion 21b and the main body bottom piece 10d, 11d are fixed via bolts 21e, whereby the guide rail 5 and the shutter case 2 are mounted on the casing B. Can be assembled.

The left and right cover plates 15 cover both left and right ends of the shutter case 2, and are bent from the outer surface plate 15b, the upper edge, the front edge, and the lower edge of the outer surface plate 15b inward in the left-right direction. The upper plate 15c, the front plate 15d, and the lower plate 15e are formed, and the back surface is in an open state without a bent plate. Further, auxiliary plates 15f are fixed to portions corresponding to the upper front pieces 10f and 11f of the left and right brackets 10 and 11, respectively. The cover plate 15 has the left and right brackets 10 and 11 of the shutter case 2 inserted and assembled from the front side, and the front plate 12 and the upper and lower front pieces 10e from the front side using the screws 15a as described above in the assembled state. 10f and 11e, 11f are fixed.
The cover plate 15 assembled in this manner covers the connecting plate upper plate portion 21b including the bolt 21d with the lower plate 15e, and covers the left and right ends of the top surface portion 14a including the screw 14e with the upper plate 15c. It has become.

  In the embodiment of the present invention configured as described above, the sheet shutter device includes a winding drum 3 around which the shutter curtain 1 is wound, and opening and closing the shutter curtain 1 by rotating the winding drum 3 forward and backward. The opening / closing machine 4 that operates and the control unit 19 that controls the driving of the opening / closing machine 4 are built in the shutter case 2. In this case, the shutter is disposed in front of the winding drum 3 and the shutter. The space in the shutter case 2 on the bottom plate 13 of the case 2 becomes an arrangement space for the control unit 19, and the front lower space of the winding drum 3 in the shutter case 2 is an arrangement space for the control unit 19. It can be used effectively.

  Moreover, in this case, since the control unit 19 is disposed at a position close to the front plate 12 of the shutter case 2, the front surface by the inspection window 12 f provided on the front plate 12 of the shutter case 2 is maintained when maintaining the control unit 19. The maintenance work from the side can be done at a shallow position from the inspection window 12f, the maintenance work of the control unit 19, the change of the opening / closing operation specification by switching the dip switch provided in the control unit 19 and the adjustment of the opening / closing speed As a result, the workability of the change work is improved, and the work time can be shortened.

  In addition, since the opening / closing machine 4 and the control unit 19 are adjacently arranged in a line on the left and right in the arrangement space, the shutter case is enlarged as in the case where the opening / closing machine 4 and the control unit 19 are adjacent in the front-rear direction. The long space in the left-right direction of the shutter case 2 can be used effectively.

  Furthermore, the opening / closing lid 20 is held in a temporary holding shape by locking the locking claws 20b provided on the opening / closing lid 20 to the lower end edges of the locking grooves 12g formed at the left and right ends of the inspection window 12f. Since the screws can be fixed to the front plate 12 in the temporary holding state, the attaching / detaching work of the opening / closing lid 20 can be easily performed by one person, and convenience is improved.

  In addition, a pair of locking claws 20b for temporarily holding the opening / closing lid 20 project symmetrically from the vertical center of the opening / closing lid 20 in the vertical direction, so that the opening / closing lid 20 can be mounted upside down. Thus, it is possible to attach the opening / closing lid 20 without checking the upper and lower sides one by one, and the workability is improved.

  The present invention can be used in the field of architectural shutter devices, particularly sheet shutter devices.

DESCRIPTION OF SYMBOLS 1 Shutter curtain 2 Shutter case 3 Winding drum 4 Opening / closing machine 12 Case front plate 12f Inspection window 12g Locking groove 20 Opening / closing lid 20b Locking claw

Claims (4)

A shutter case includes a winding drum around which the shutter curtain is wound, an opening / closing device that rotates the winding drum forward and backward to open and close the shutter curtain, and a control unit that controls driving of the opening / closing device. In the architectural shutter device, the front plate of the shutter case has an upper vertical surface that hangs down from the upper front end, and a lower vertical that stands up from the lower front end at a position protruding forward from the upper front end. Formed in a bent state by a front surface, an inclined surface inclined in front and back, and a height so as to connect the lower end of the upper vertical surface and the upper end of the lower vertical surface. A switch and a control unit are arranged adjacent to each other in a line on the left and right sides in the shutter case inner space on the bottom plate of the shutter case at the front lower side behind the lower vertical surface of the front plate and below the inclined surface. surface Is located in front of the control unit, the control unit when viewed from the front is peep but opener is sized concealed lower vertical surface, that the sight glass lid closes detachably is provided An architectural shutter device. The architectural shutter device according to claim 1 , wherein the upper and lower sides of the open / close lid coincide with the upper and lower sides of the lower vertical surface of the front plate of the shutter case .   Locking grooves are formed at the left and right ends of the inspection window, and the opening / closing lid is formed with a locking claw that locks in the locking groove in a temporary holding state. The architectural shutter device according to claim 1, wherein the architectural shutter device is fixed to a screw.   4. The architectural shutter device according to claim 3, wherein a pair of the locking claws project symmetrically in the vertical direction from the vertical center of the opening / closing lid.

Images