JPH03217588A - Shutter device - Google Patents

Abstract

PURPOSE:To facilitate loading of opening and shutting machines and subsequent maintenance work by connecting drive shafts of the opening and shutting machines to a winding drive shaft of shutter curtains through a coupling shaft into which connection levers capable of separating are incorporated so that they are capable of loading and unloading. CONSTITUTION:Shutter curtains 5a-5c wound on take-up shafts 7... are incorporated into a cupboard section 6 formed to the underside of a bay window. Winding drums 10... of the shutter curtains 5a-5c and opening and shutting machines 11 and 11 to forward and reverse them are incorporated into a roof section 4 formed on the upper side of the bay window. In addition, guide rails 13... to guide both right and left ends of the shutter curtains 5a-5c are erected to right and left mullions 12 of the bay window. In that construction, drive shafts 14 and 14 of the opening and shutting machines 11 and 11 are connected to a winding drive shaft 5 of the shutter curtains 5a-5c through a coupling shaft into which connection levers 22 and 22 capable of separating by sliding with the winding drive shaft 5 and incorporated so that they are capable of loading and unloading.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a shutter device configured to pull up a shutter curtain stored at the bottom of an opening of a bay window to close the opening. This invention relates to a connection structure between an upper winding shaft of a shutter curtain and an opening/closing machine for rolling the shutter curtain.

[Prior Art] Conventionally, a window frame is provided in the opening of a building, a shutter curtain storage section is provided below the window frame, and the shutter curtain is raised and lowered along guide rails erected at both left and right ends of the window frame. Shutters are known that are configured to close building openings by manually lifting or lowering the shutters.
Utility Model Application No. 1-138098, Utility Model Application No. 1977-165094
issue).

However, in these devices, the opening/closing machine for raising and lowering the shutter curtain, which is installed in the roof above the window frame, and the movement shaft for hoisting the shutter curtain, which is moved by this opening/closing machine, are placed on one side. Because they were directly connected by a fixed connecting sleeve, there was no problem in assembling and installing them, but for maintenance and inspections, the inspection hole provided in the ceiling panel of the bay window was only used, and work within the narrow river root area was required. Not only was it difficult to move the winder, it also did not allow axial movement within or out of the sleeve, and the ceiling had to be dismantled to remove the hoisting shaft or opening/closing mechanism. .

[Problems to be Solved by the Invention] The present invention has been devised in view of the above-mentioned circumstances and to eliminate the drawbacks of the conventional technology. By improving the connection structure between the calling shaft and the moving shaft of the drive switch, and by interposing a connecting shaft between the two shafts to enable movement in the axial direction, a removable connection structure has been created. The present invention aims to provide a shutter device that can be easily maintained and inspected.

[Means for Solving the Problems C-F In order to solve the problems, the technical means adopted by the present invention is to provide a shutter curtain that is wound around a winding shaft around a base portion formed on the lower side of a bay window. A winding drum that winds up a pair of strips connected to both left and right ends of the winding-side starting end of the shutter curtain, and an opening/closing machine that rotates the winding drum in forward and reverse directions. In this shutter device, guide rails for guiding the left and right ends of the shutter curtain are installed in the left and right mullions that partition the bay window surface, and the drive shaft of the opening/closing machine in the roof part and the drive shaft for winding up the shutter curtain are provided. The drive shaft is screwed to the drive shaft via a connecting shaft that incorporates a connecting rod that can be slid in and out and fixed, and is removably connected to the drive shaft.

[Operation of the invention] Therefore, according to the present invention, the screw of the connecting shaft between the drive shaft of the opening/closing machine and the swelling shaft for winding up the shutter curtain is released from the indoor surface of the roof section, and the built-in connecting rod is removed. The hoisting drive shaft and the drive shaft can be taken out individually by simply doing the following work, and maintenance and inspection work can be performed extremely easily.

[Embodiment] The structure of the present invention will be explained in detail with respect to an embodiment shown in the drawings. Fig. 1 is an overall perspective view of the bay window, Fig. 2 is a perspective view from the indoor side of another embodiment with the side surfaces at right angles, Fig. 3 is an inner perspective view of its lower part, and Fig. 4 is a cross section of the roof. It is a diagram. In the figure, ■ is a building opening, 2 is a bay window shutter installed in the opening 1, and the bay window shutter 2 is
A three-sided window frame 3 is formed from a front eight and left and right sleeve parts B and C, and a roof part 4 is disposed on the upper part of the three-sided window frame 3.
In the lower part, a base bag part 6 for storing a shutter curtain 5a for the front A and shutter curtains 5b and 5C for the left and right sleeve parts is integrally constructed and installed so that it can be used from the indoor side.

Inside the base bag portion 6, there are shutter curtains 5a, 5b,
Each of the winding shafts 1-7 on which the winding shaft 5c is wound is pivotally supported with the end portions of each shaft positioned vertically, and the front panel 8 of the base bag portion 6 is removable.

Further, a pair of belt-like bodies 9, 9, .
10... are attached to the strip 9, and a steel belt is used to connect the upper end of each shutter curtain to the winding rotation shaft 5. The hoisting drum 10 is driven forward and backward by an opening/closing machine 11, and the shutter curtains 5a, 5b
, 5c are mullions 12, 12 erected on the upper surface of the base bag portion 6.
・It ascends and descends while being guided by guide rails 13.13 installed in parallel. In the shutter configured as described above, the drive shaft 14 of the opening/closing device l1 and the drive shaft 5 for winding up the shutter curtain are arranged as shown in the plan view of FIG. The sliding shaft 14 of the opening/closing device 11 and the rolling shaft 5 for winding the shutter curtain 58 and the like are connected by a connecting shaft 20 formed separately from them. 15 in the figure is a universal joint that transmits the output of the opening/closing machine l1 to the side hoisting shaft 5, and 16 is a support device for the opening/closing machine 11 to the upper frame 4a of the bay window.

As shown in FIG. 6, the connecting shaft 20 is a hollow cylindrical body made of metal, and consists of a main body 21, a connecting rod 22, and collars 23 provided at both ends of the main body 21. . The connecting rod 22 has a concave groove at one end of the main body 21 near the switch 11, with a part protruding toward the drive shaft 14 side of the switch 11, and a base end formed with a concave groove.
It is inserted by a rotation stopper 24 consisting of a protrusion, and the collar 23 is inserted.
The drive shaft 5 for winding is inserted into the other end on the side of the rotating shaft 5 for winding, and is similarly fixed by a collar 23 and a screw 26.

On the other hand, a socket 27 is formed at the outer end of the rotating shaft 14 in correspondence with the end of the main body 21, into which the protruding part of the connecting rod 22 is inserted and fixed by a rotation stopper 24 and a screw 28. It is supposed to be done.

Therefore. Insert the connecting rod 22 of the connecting shaft 20 into the socket 27 at the tip of the II moving shaft 14, insert one half of the connecting rod 22 into the main body 21, and insert the winding shaft 5 into the other end of the connecting shaft 20. When the end portion is inserted and the respective screws 28, 25, and 26 are tightened, the sleep output of the switch l1 is transmitted to the winding shaft 5 via the drive shaft 14.

In addition, when it is necessary to separate the winding shaft 14 and the winding drive shaft 5, for example, the screw 2 on the winding shaft 5 side
6 and the screw 28 on the side of the moving shaft 14, the connecting shaft 20 can be moved to the side of the moving shaft 5 for winding.
The protrusion of the connecting rod 22 fixed to the connecting shaft 20 is
It can be pulled out from the socket 27 of the rotating shaft l4.

Therefore, the winding shaft 5 or the opening/closing device 11 can be easily accessed through an inspection port (not shown) opened indoors, and can be disconnected by simply loosening the screw and moving the connecting shaft 20. Drive shaft 5 for hoisting long members
The opening/closing machine 11 can be taken out together with the support device 16 from the predetermined connection position.

Note that the configuration of the connecting shaft 20 of the present invention is of course not limited to the above embodiment, and the connecting shaft 20 can also be provided on both sides of the opening/closing machine 11. Also,
As long as insertion and fitting correspondence is maintained in the same direction, the screw 26 on the winding drive shaft 5 side and the screw 25 on the connecting shaft 20 side
The fitting may be released by first loosening the connecting rod 22 and leaving one half of the connecting rod 22 on the swelling shaft 14 side.

[Effects of the Invention] In summary, the present invention includes a shutter curtain wound around a winding shaft built into a base portion formed on the lower side of the bay window, and a roof portion formed on the upper side of the bay window. A winding drum that winds up a pair of strips connected to both left and right ends of the winding-side starting end of the shutter curtain, and an opening/closing machine that rotates the winding drum in forward and reverse directions are built in. In a shutter device comprising guide rails erected to guide the left and right ends of a shutter curtain, the rotating shaft of the opening/closing machine in the roof portion and the drive shaft for winding up the shutter curtain are connected to a connecting rod that can be freely retracted and retracted by sliding. Since it is configured to be removably connected via a connecting shaft with a built-in, the connecting oval shape of the opening/closing machine and the hoisting shaft on the roof has been improved as intended, and installation in narrow spaces is also possible. This will be removed during subsequent maintenance.

[Brief explanation of drawings]

The drawings show one embodiment of the shutter device of the present invention, in which Fig. 1 is an overall perspective view, Fig. 2 is a perspective view of another embodiment with the side faces at right angles, and Fig. 3 is a perspective view from the indoor side. The figure is an inner perspective view of the lower part, Figure 4 is a sectional view of the roof, Figure 5 is a plan view of the upper part of the bay window with some symmetrical parts omitted, and Figure 6 is a front view of the opening/closing machine and the connecting shaft. be. 1... Building opening, 2... Bay window shutter, 4...
・Roof part, 5... Winding shaft, 5a, 5b, 5e
... Shutter curtain, 6... Base bag portion, 7... Winding shaft, 9... Band-shaped body, 10... Winding drum,
11・Opening/closing machine, 13.13...Guide rail, 14・
- Heel movement shaft, 16... Support device, 20... Connection shaft, 21... Main body, 22... Connection rod, 23...
Collar, 24... Rotation stopper, 25, 26, 28...
Screw, 27...Socket...

Claims (1)

[Claims] A shutter curtain wound around a winding shaft is built into a base portion formed on the lower side of the bay window, and is connected to both left and right ends of the rolling-up side starting end of the shutter curtain to the roof portion formed on the upper side of the bay window. The shutter curtain has a built-in winding drum that winds up a pair of strips and an opening/closing machine that rotates the winding drum forward and backward, and guide rails that guide the left and right ends of the shutter curtain are erected in the left and right mullions that partition the bay window surface. In the shutter device, the drive shaft of the opening/closing machine in the roof part and the drive shaft for winding up the shutter curtain have a connecting shaft that has a built-in connecting rod that can be detached from the drive shaft by sliding on the drive shaft for winding. A shutter device characterized in that the shutter device is detachably connected via the shutter device.