JPS63118488A - Guide rail structure of shutter for building - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a guide rail structure for a building shutter for opening and closing horizontal openings such as greenhouses and skylights.

[Prior Art and Problems to be Solved by the Invention] Generally, in this type of architectural shutter.

Some building shutters are installed at horizontal openings, and the shutter curtains are opened during the day to brighten the room, and at night the shutter curtains are closed to ensure heat retention. In this case, when the guide rail has an opening/closing part corresponding to the horizontal opening and a slat storage part facing in the vertical direction, the connecting part between the two parts is curved in an R shape. In this case, the sprocket is operated to forcibly feed an operating chain that connects adjacent slats in a series, and the slats are drawn out from the storage portion to close the horizontal opening. However, in this case, if the first working chain is forcibly fed through the connecting part with the slat, the slat will be forcibly transferred to the closing side under the feeding action of the sprocket, but the first working chain will separate from the slat connecting part. If the chain is forcibly fed through a section that has been moved, the chain itself will become loose or bent. As a result, the slats are no longer able to receive the transfer action from the sprocket, and the transfer to the closing side is stagnant, which impedes the smooth closing operation of the slats at the connecting part.To avoid this, the horizontal opening is This poses a problem because the slope of the guide rail must be made steep to allow the slat to fall under its own weight.

[Means for Solving the Problems] The present invention was created in view of the above-mentioned circumstances with the aim of providing a guide rail structure for a building shutter that can eliminate these drawbacks. In a building shutter in which adjacent slats are connected in series through an operating chain that is forcibly fed by a sprocket, a pair of front and rear running rollers is provided at each side edge of the slat, and a slat opening/closing guide is provided. The guide rail has a two-rail structure in which an inner rail body for the front running roller and an outer rail body for the rear running roller are arranged side by side, and the horizontal gate part is opened and closed from the slat storage part facing in the vertical direction. The connecting part of the guide rail where the sprocket is arranged is formed by curving one rail body in an R shape to connect the slats to the inner rail body. It is characterized by being curved so that it is biased towards the side.

With this configuration, the present invention makes it possible to positively transfer the slat to the closing side even when the working chain is sent by the sprocket to a position away from the connection part with the slat. It is something.

[Example] Next, in 6 drawings illustrating an embodiment of the present invention based on the drawings, 1 is a greenhouse, and the greenhouse 1 is built long in the east-west direction with the gable side facing substantially east-west. The vertical pillar 2 on the south side, the pillar 3 on the north side whose upper end is inclined so as to be displaced toward the south side, and the upper end of the compatible pillar 2.3, with the south side being low. A framework is formed using roof supports 4 that are supported in an inclined manner so that

And these pillars 2.3, 4. The greenhouse 1 is also formed by having a transparent resin film 5 stretched over the entire surface of an auxiliary frame material (not shown) as an outer wall.

On the other hand, 6 is a reflective plate that also serves as a heat insulator, and the reflective plate 6
has a reflective surface formed from a member such as aluminum foil on both the front and back sides, and this reflective plate 6 is installed on the north side of the greenhouse so as to be approximately parallel to the north support 3. The pillars 3 are erected at a predetermined distance from each other at a predetermined interval, and are erected in an inclined manner with the reflecting surface facing south, reflecting sunlight and reflecting the reflected light toward the upper surface of the floor within the greenhouse. It looks like this. Here, the inclination angle of the reflector 6 is
In the embodiment, the angle is set to approximately 70 degrees. This is an example when assembling in Hokkaido, but the calculation of the inclination angle is that the solar elevation angle is approximately 22 degrees at the minimum at the winter solstice, and approximately 70 degrees at the maximum at the summer solstice. Considering the numerical value of
It is calculated as the angle at which no shadow is cast on the floor of the greenhouse.

Reference numeral 7 denotes an opening/closing shutter that is assembled into the greenhouse, and guide rails 8 constituting the opening/closing shutter 7 are integrally attached to the pillars on both end sides of the greenhouse 1 either directly or via support frames. There is.

The guide rail 8 is composed of two rail bodies 8a and 8b that are arranged in parallel inside and outside, and on the south side faces in a vertical direction substantially parallel to the south side support 2, and on the ceiling side faces from the roof support 4. Although it has a gentle slope, it is laid in an inclined shape so that the south side is lower, and constitutes the opening/closing part of the guide rail of the present invention. Further, on the north side, a curtain storage section is formed in the gap between the reflector 6 and the north side support column 3, and this storage section is arranged so that the outer rail body 8a is parallel to the support column 3 and the inner side. The rail body 8b is laid so as to have a steeper slope than that. Moreover, in the guide rail 8, the outer rail body 8a is connected to the inner rail body 8 in the connecting portion A that is curved in an R shape between the storage portion and the opening/closing portion.
It is formed so as to be biased outward from the locus along b.

On the other hand, the shutter curtain is composed of plate-shaped slats 9 formed using a heat insulating material manufactured by an appropriate method such as injection method or lamination method using hard polyurethane foam.
Reflective surfaces similar to those of the reflective plate 6 are formed on the inner and outer surfaces of the slat 9, and front and rear running rollers 10, 11 are attached to both the left and right edges of the slat 9 in a lII shape on both the inner and outer surfaces. The inner running roller 10 supports the inner rail body 8b, and the outer running roller 11 supports the outer rail body 8a.
Each vehicle is assembled to run exclusively.

In addition, 12 is the roller shaft 1 of the inner (front) eccentric running roller lO.
0a, the working chain 1
2 continuously connects the slats 9 in such a manner that opposing edges of the slats 9 adjacent to each other face each other with a predetermined gap. Further, reference numeral 13 denotes a switch provided in the transfer section A of the guide rail 8, and a drive sprocket 14, which is chain-transmitted to the switch fi 13, is disposed so as to mesh with the operating chain 12. The shutter curtain can be opened and closed by the forced chain feeding action of the drive sprocket 14 accompanying the forward and reverse drive of the drive sprocket 13. That is, when the shutter curtains are fully open, they are housed in a stacked manner in the housing section of the guide rail 8 formed on the north side.

Then, the sprocket 14 is rotated by the drive of the opening/closing machine 13, and in conjunction with forcibly transferring the operating chain 12 to the south side, the upper leading slat 9 is sequentially drawn out from the storage section and transferred through the guide rail opening/closing section. The shutter curtain is fully opened when the leading slat 9 reaches the tip of the guide rail 8 (lower end of the south guide rail) and there is no gap between each slat 9, and this state is detected by a lower limit switch (not shown). Opening/closing machine 13
It is designed to stop driving. On the contrary, opening/closing machine 13
By driving the slats 9 in the opposite direction to the above, the slats 9 are sequentially fed into the storage section on the north side and are fully opened.This is detected by an upper limit switch different from the above, and the drive of the switch 13 is stopped. In this way, the opening and closing of the opening and closing shutter 7 can be controlled.

In addition, in the figure, 15 is an airtight sheet provided on the final slat 9, which comes into contact with the reflector 6 when fully opened to ensure airtightness, and 16 is provided on the north outer wall so that it can be opened and closed. , and a skylight whose inner surface is a reflective surface, and 17 is a stopper for the actuating chain 12 that meshes with the sprocket 14.

In the embodiment of the present invention constructed as described above, the opening/closing shutter 7 is kept fully open during the daytime when the sun's rays are shining, and by doing so, the sun's rays are extremely efficiently transmitted from the single resin film 5. In addition to entering the greenhouse, in the embodiment, the sunlight is reflected by the reflecting plate 6 and the skylight 16, and the reflected light is blocked by the plants on the south side, making it difficult to obtain sufficient sunlight. This means that the plants on the north side can be irradiated in a particularly concentrated manner, so even when the elevation angle of the sun is low, such as during the temporary winter, it is possible to ensure that the plants in the greenhouse receive even sunlight. It will be possible. On the other hand, at night, the shutter curtain is fully closed by the drive of the opening/closing machine to open the greenhouse 1.

The double-layered heat retention structure consisting of the outer wall resin film layer and the shutter curtain ensures excellent heat retention.

As described above, in the greenhouse in which the present invention is implemented, sunlight and heat retention can be ensured by opening and closing the shutter curtains as necessary. The curtain will be forcibly transferred in the transfer section A where the sprocket 14 is arranged.

That is, when the shutter curtain is closed, the rotation of the sprocket 14 forces the operating chain 12 toward the closing side, that is, toward the guide rail opening/closing section. At this time, the sprocket 14 is connected to the roller shaft 10 of the working chain 12.
When the chain is being fed by meshing with the connection part a, the slat 9 will also be forced to feed toward the closed side by the sprocket 14. However, as the sprocket 14 moves away from the connection part, , even if the sprocket 14 forcibly feeds the operating chain 12 to the closed side, 1
Since the actuating chain 12 is bent, the action of feeding the slat 9 toward the closing side no longer works directly. However, in the present invention, while the slat 9 is being forced to be fed by the sprocket, the rear running roller 11 runs on the outer rail body 8a that is biased outward from the trajectory along the inner rail body 8b. As a result, the trailing edge side is raised to a tilted position, and in this state, the rear running roller 11 slides down the rail body 8b which is sloped more steeply than the guide rail opening/closing portion. As a result, even if the slat 9 does not have a pulling force toward the closing side due to the absence of a preceding slat, such as the temporary leading slat, the slat 9 exerts an active transfer action toward the closing side by shedding its own weight. This results in smooth closing operation without stagnation.

Furthermore, as in the embodiment, the chain meshing part of the sprocket is provided with a chain stopper 17 to prevent tooth skipping of the sprocket 14, so that a more reliable chain feeding action can be achieved. It is possible.

It should be noted that the present invention is of course not limited to the above-mentioned embodiments, and the point is that the connecting portion of the guide rail is biased outward from the trajectory along the R-shaped inner rail body. When the outer rail body is curved so that the slats are no longer subject to the forceful transfer action of the sprocket, the rear roller slides down the steeply inclined outer rail body and is actively lowered by its own weight. For this reason, the greater the deviation of the outer rail body, the greater the effect of lowering its own weight, but if it is too large, the rear edge side of the slat will be lifted. Therefore, the amount of deviation will be determined by the size of the slat, the chain transfer force of the sprocket, etc.

[Operations and Effects] In summary, the present invention is constructed as described above, so that the chain feeding action of the sprocket allows the slats to be transferred from the vertical slat storage section to the opening/closing section that opens and closes the horizontal opening. In this case, the slat assumes an inclined position with its trailing edge raised as the rear running roller runs on the outer rail body biased outward, and the rear roller slides down the outer rail body as it is. They will be actively transported. As a result, the slats can be smoothly and reliably transferred to the closing side without stagnation, and the closing operation of the shutter curtain can be performed in an extremely natural and orderly manner. It is.

[Brief explanation of the drawing]

The drawings show an embodiment of the guide rail structure of a building shutter according to the present invention, in which Fig. 1 is a vertical cross-sectional view of a greenhouse showing the shutter fully open, and Fig. 2 shows the shutter with the shutter fully open. A vertical cross-sectional view of the greenhouse showing its fully closed state; FIG. 3 is a perspective view of the main parts of the shutter curtain;
FIG. 4 is an explanatory diagram showing the state of transfer of the slats in the transfer section. In the figure, 7 is an opening/closing shutter, 8 is a guide rail, 8a is an outer rail body, 8b is an inner rail body, 9 is a slat, and I
O is a front running roller, 11 is a rear running roller, and A is a transfer section.

Claims (1)

[Claims] In a building shutter in which adjacent slats are connected in series through an operating chain that is forcibly fed by a sprocket, a pair of front and rear running rollers is provided at each side edge of the slat, and a slat opening/closing guide is provided. The guide rail has a double-rail structure in which an inner rail body for the front running roller and an outer rail body for the rear running roller are arranged side by side, and the horizontal opening is opened and closed from the slat storage part facing up and down. The connecting part of the guide rail where the sprocket is disposed is formed by curving both rail bodies into an R shape, so that the outer rail body is located outside of the trajectory along the inner rail body. A guide rail structure for a building shutter, characterized by being curved so as to be biased towards one side.