JP2004052340A - Shutter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a shutter which facilitates detachment of guide rails thereof, and is improved in maintenance ease. <P>SOLUTION: The shutter includes a lintel 3, vertical frames 4, 4, a case 7, and the guide rails 8, 8. The lintel 3 is arranged on an upper portion of an opening 2 of a building. The vertical frames 4, 4 are arranged on right and left sides of the lintel 3 and the opening 2. The case houses therein a take-up shaft 6 for winding upward/downward slats 5 arranged at a location of the lintel 3. The guide rails 8, 8 guide the slats 5 detachably mounted in the vertical frames 4, 4. The lintel 3 includes an insertion port d through which an upper end of each guide rail 8 is insertable, and each guide rail 8 has guide members 21a, 21b formed at the upper end thereof, which guide members are expanded wider than the insertion port d, in order to guide the slats 5 corresponding to the winding diameter of the same. The guide members 21a, 21b are detachably attached to the upper end of the guide rail 8 by means of a mounting fixture 22. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a shutter, and more particularly to a shutter in which guide rails can be easily removed to improve maintainability.
[0002]
[Prior art]
As shown in FIG. 6, as the shutter, a magsa 3 provided above the opening 2 of the building, a vertical frame 4 provided on the left and right sides of the opening 2, and a winding provided for raising and lowering the slat 5 provided at the position of the magsa 3. There is known a case including a case 7 accommodating a take-up shaft 6 and a guide rail 8 detachably provided on the vertical frame 4 to guide the slat 5.
[0003]
The magsa 3 is provided with an insertion port d through which the upper end of the guide rail 8 can be inserted. The upper end of the guide rail 8 is formed through the insertion port d in order to guide the slats 5 so as to correspond to the winding diameter. The guide portions 30a and 30b which are greatly expanded are integrally provided. The magsa 3 is composed of front and rear magsa materials 3a and 3b, and these magsa materials 3a and 3b are attached by welding both ends to brackets attached to left and right columns.
[0004]
It is difficult to insert the upper end of the guide rail 8 into the insertion opening d between the front and rear magsa members 3a and 3b after the magsa 3 is installed. The guide rail 8 is attached before the member 3a is attached, and the magsa member 3a is attached by welding after the guide rail 8 is attached.
[0005]
[Problems to be solved by the invention]
When the shutter is installed in, for example, a garage or the like, the slat 5 may be deformed or damaged by a car hitting the slat 5, so that maintenance such as repair may be required. , It is necessary to remove the guide rail 8.
[0006]
However, in the shutter, since the guide portions 30a and 30b at the upper end of the guide rail are caught by the magsa 3 and cannot be pulled out, to remove the guide rail 8, for example, the front magsa material 3a is cut off by welding the welded portion. It has to be removed, which requires a large amount of work, resulting in poor maintenance.
[0007]
SUMMARY OF THE INVENTION The present invention has been made in consideration of the above circumstances, and has as its object to provide a shutter that can easily remove a guide rail and that can improve maintainability.
[0008]
[Means for Solving the Problems]
The present invention provides a magsa provided above an opening of a building, a vertical frame provided on the left and right of the opening, a case containing a winding shaft provided at the position of the magsa for winding up and down a slat, A guide rail for guiding the slats is provided, and the magsa is provided with an insertion hole through which an upper end of the guide rail can be inserted, and the upper end of the guide rail is capable of supporting the slat according to its winding diameter. A guide member which is larger than the insertion opening is provided for guiding, and the guide member is detachably attached to an upper end of the guide rail by a fixture.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a front view of a shutter showing an embodiment of the present invention, FIG. 2 is an enlarged sectional view taken along line AA of FIG. 1, FIG. 3 is a longitudinal sectional view of the shutter, and FIG. FIG. 5 is a perspective view showing a state where one guide member of the guide rail is removed.
[0010]
As shown in FIGS. 1, 2 and 3, the shutter 1 is provided with a magsa 3 provided above the opening 2 of the building and vertical frames 4, 4 provided on the left and right sides of the opening 2, and at a position of the magsa 3. A case 7 accommodating a take-up shaft 6 for lifting and lowering the slat 5 is provided, and guide rails 8, 8 provided detachably on the vertical frames 4, 4 for guiding the slat 5. The magsa 3 is provided with an insertion port d through which the upper end of the guide rail 8 can be inserted. The vertical frame 4 is attached to the front surface of the left and right pillars 10 of the opening 2 with a fixture such as a screw 11. When the pillar 10 is a steel frame, the vertical frame 4 may be attached by welding.
[0011]
Guide grooves 8a, 8a are formed in opposing portions of the guide rails 8, 8 to guide the left and right ends of the slat slidably in the vertical direction. That is, the guide rail 8 is formed in a substantially U-shaped cross section. The guide rail 8 is detachably attached to the vertical frame 4 with, for example, screws 14. In the illustrated example, the vertical frame 4 is formed to have a substantially U-shaped cross section that is opened forward, and the front ends of both side pieces 4a and 4b are bent so as to face inward, and the bent portion of the outer piece 4a is engaged. The receiving portion 12 is provided.
[0012]
A mounting member 13 having a substantially U-shaped cross section, which is open to the rear side, is fixed to the rear surface of the guide rail 8 with screws 27. An engaging portion 15 is formed on the outer piece 13a of the mounting member 13 to be engaged with the engaging receiving portion 12 from inside, and the inner piece 13b is brought into contact with the outer surface of the inner piece 4b of the vertical frame 4. Screw 14. That is, in the illustrated example, the guide rail 8 is detachably attached to the vertical frame 4 by engagement and screwing, but may be detachably attached only by screwing.
[0013]
The magsa 3 is composed of front and rear magsa materials 3a and 3b, and both magsa materials 3a and 3b are fixed to brackets (not shown) attached to both pillars 10 and 10 at both ends and are horizontally hung. The slit-shaped insertion opening d through which the upper end side of the guide rail 8 can be inserted and the slat 5 can pass in the vertical direction is formed between the front and rear magsa members 3a and 3b. On the front and rear surface portions on the upper end side of the guide rail 8, there are provided magsa receivers 9, 9 which are engaged with opposing portions of the magsa members 8a, 8b from below. The case (also referred to as a shutter box) 7 includes a back plate 18a fixed to the outer wall 16 with mounting screws 17, a front plate 18b parallel to the back plate 18a, a top plate 18c, a bottom plate 18d, and side plates 18e, 18e on both sides. To form a box.
[0014]
The back plate 18a is disposed above the rear magsa 3b, and corner frames 19a, 19b, 19c are arranged on the upper edge of the back plate 18a, the front edge of the top plate 18c, and the lower edge of the front plate 18b. The rear plate 18a, the front plate 18b, the top plate 18c, the bottom plate 18d, and both side plates 18e, 18e are assembled into a box via the frames 19a, 19b, 19c and the front magsa members 3a, 3b. The bottom plate 18d is detachably mounted between the lower corner frame 19c and the lower surface of the front magsa material 13a with screws 20. By removing the bottom plate 18d, maintenance inside the case 7 is enabled. The winding shaft 6 is rotatably supported between both side plates 18e of the case 7 via bearings. The shutter 1 may be a manual type or an electric type.
[0015]
At the upper end of the guide rail 8, guide members 21a and 31b which are larger than the insertion opening d of the magsa 3 are provided in order to guide the slat 5 corresponding to the winding diameter, and these guide members 31a and 31b are provided. 31b is removably attached to the upper end of the guide rail 8 with a fixture such as a screw 22. As shown in FIG. 3, the winding diameter of the slats 5 on the winding shaft 6 is changed by raising and lowering the slats 5, so that the slats 5 are smoothly guided so as not to be caught when entering the guide rails 8. At the upper end of the guide rail 8, a pair of guide members 21a and 21b is provided.
[0016]
The guide members 21a and 21b are formed so as to expand or incline upward or downward in a winding diameter direction of the slat 5, that is, in the indoor and outdoor directions. In this case, as shown in FIG. 4, since the guide members 21 a and 21 b are wider than the opening width of the insertion port d of the magsa 3, the upper end of the guide rail 8 is inserted through the upper end of the guide rail 8 during maintenance of the slat 5 and the like. When the guide members 21a and 21b are pulled out from the opening d, the guide rails 8 cannot be pulled out because the guide members 21a and 21b are caught on the upper edge of the insertion opening d. Therefore, the guide members 21a and 21b are detachably provided at the upper end of the guide rail 8 with screws 22, and at least one of the guide members 21a is removed during maintenance of the slats 5 or the like, so that the guide rail 8 is inserted from the insertion port d of the magsa 3. It is configured so that it can be easily pulled out and removed.
[0017]
The upper end of the guide rail 8 is inserted through the insertion opening d of the magsa 3 from below upward, and is cut at right angles to the longitudinal direction at an installation height position slightly protruding from the upper surface of the magsa 3. The guide members 21a and 21b are provided with a core member 23 made of a metal plate to provide rigidity or strength, and as a soundproofing measure against sound or noise generated when the slats 5 come into contact with or collide with the core member 23. And a cover member 24 made of a synthetic resin that covers the member 23. The core member 23 is in contact with an inner surface facing the inside of the guide rail 8 and is fixed by screwing a screw 22 from the outside. And an inclined piece 23b extending obliquely upward and outward from the upper end of the portion 23a. The cover member 24 is provided so as to cover the upper surface of the inclined piece 23 b of the core member 23.
[0018]
As shown in FIG. 5, the guide members 21a and 21b are preferably fixed by two left and right screws 22, 22, respectively. At the upper end of the guide rail 8, a side guide portion 25 is formed by cutting and raising the outer surface portion so as to expand and incline obliquely upward, and the side guide portion 25 causes the slat 5 to move in the left-right direction. The gap is corrected and introduced into the guide rail 8.
[0019]
According to the shutter 1 having the above structure, the magsa 3 provided above the opening 2 of the building and the vertical frames 4 provided on the left and right of the opening 2 and the slats 5 provided at the position of the magsa 3 are raised and lowered. A case 7 accommodating a winding shaft 6 to be wound, and guide rails 8, 8 detachably provided on the vertical frames 4, 4 for guiding the slats 5, and the upper end of the guide rail 8 is attached to the magsa 3. An insertion port d that can be inserted is provided, and guide members 21a and 21b that are larger than the insertion port d are provided at the upper end of the guide rail 8 to guide the slat 5 so as to correspond to the winding diameter. Since the guide members 21a and 21b are detachably attached to the upper end of the guide rail 8 with a fixture such as a screw 22, the guide rail 8 can be easily removed, and maintenance is easy. Improvement can be achieved.
[0020]
Specifically, for example, when the shutter 1 is installed in the opening 2 of the garage, and the guide rail 8 is removed in order to perform maintenance of the slat 5 or the guide rail 8 that is deformed or damaged by contacting the car. For example, the bottom plate 18 d of the case 7 is removed, a screwdriver is inserted into the case 7 to loosen the screw 22 fixing the guide member 21 a to the upper end of the guide rail 8, and at least one of the upper ends of the guide rail 8, for example, Remove the front guide member 21a.
[0021]
Next, the guide rail 8 is removed from the vertical frame 4 by loosening the screw 11 fixing the guide rail 8 to the vertical frame 4, and the upper end of the guide rail 8 is pulled out from the insertion hole d of the magsa 3 to remove the guide rail 8. Just remove it. Since the guide rails 8 can be easily removed in this manner, workability can be improved, and maintenance of the slats and the like can be easily performed, thereby improving maintainability. When mounting the guide rail 8 after the maintenance, the mounting operation may be performed in a procedure reverse to the above.
[0022]
As described above, the embodiments of the present invention have been described in detail with reference to the drawings. However, the present invention is not limited to the above embodiments, and various design changes and the like can be made without departing from the gist of the present invention. is there. For example, in the above embodiment, the pair of guide members 21a and 21b are formed separately, but may be formed so as to be integrally connected.
[0023]
【The invention's effect】
In summary, according to the present invention, there is provided a case in which a magsa provided above an opening of a building and a vertical frame provided on the left and right sides of the opening, and a winding shaft provided at the position of the magsa and housing a winding shaft for raising and lowering the slat, A guide rail detachably provided on the vertical frame to guide the slats, the magsa is provided with an insertion opening through which an upper end of the guide rail can be inserted, and the slat is wound at the upper end of the guide rail at its winding diameter. A guide member that is larger than the insertion opening is provided to guide the guide rail so that the guide rail can be detachably attached to the upper end of the guide rail with a mounting tool. Can be easily removed, and maintenance can be improved.
[Brief description of the drawings]
FIG. 1 is a front view of a shutter according to an embodiment of the present invention.
FIG. 2 is an enlarged cross-sectional view taken along line AA of FIG.
FIG. 3 is a vertical sectional view of a shutter.
FIG. 4 is an enlarged sectional view of a portion B in FIG. 3;
FIG. 5 is a perspective view showing a state where one guide member of the guide rail is removed.
FIG. 6 is a schematic sectional view showing a conventional shutter.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Shutter 2 Building opening 3 Magsa 4 Vertical frame 5 Slat 6 Winding shaft 7 Case 8 Guide rail d Insert ports 21a, 21b Guide member 22 Screw (mounting fixture)

Claims (1)

Magsa provided above the opening of the building and a vertical frame provided on the left and right sides of the opening, a case containing a winding shaft provided at the position of the magsa for hoisting and lowering the slats, and provided detachably on the vertical frame. A guide rail for guiding the slats, the magsa is provided with an insertion opening through which the upper end of the guide rail can be inserted, and the upper end of the guide rail is provided to guide the slats corresponding to the winding diameter thereof. A shutter provided with a guide member that is larger than the insertion opening, and the guide member is detachably attached to an upper end of the guide rail by a fixture.

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