JP2593992Y2 - Shutter device with seat shutter - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shutter device provided with a sheet shutter.

[0002]

2. Description of the Related Art In many cases, shutters are installed at doorways of factories and the like. Although the shutter is made of metal and can function as a security device, today's factories are often fully equipped with air conditioning and heating, so even during working hours when security is not required, the shutter can be opened. I can't keep it. However, on the other hand, the loading and unloading of luggage frequently occurs, and the shutter must be opened and closed each time. Since the opening and closing movement of the metal shutter is slow, cool air or warm air flows out during that time. I will.

Therefore, there is a case where a seat shutter is installed in addition to the metal shutter. The sheet shutter uses a thin and durable sheet to close the frontage serving as an entrance, and is wound around a drum attached to the upper end of the frontage and rewound to open and close. Therefore, the metal shutter is always open, the seat shutter is always closed, and when a person or a vehicle passes, the seat shutter is raised to open the frontage. Since the seat shutter is not made of metal, the opening and closing speed of the seat shutter is fast and quiet, and there is little need to release cold or warm air in the factory.

However, when a sheet shutter is provided in addition to a metal shutter, if the sheet is largely bent by wind pressure acting on the sheet shutter, the sheet shutter may come into contact with the metal shutter and hinder the vertical movement, or the sheet may be damaged. I do. FIG.
FIG. 1 is a schematic view of a shutter device provided with a sheet shutter, wherein a shows a case where a sheet is in contact with a lower end of a metal shutter, and b shows a state where a metal shutter is open and a sheet shutter is closed. It is. As shown in the figure, if the sheet comes into contact with the metal shutter in the half-open state, the up-and-down movement is hindered, and if it is forcibly moved, the sheet will be damaged. The same situation occurs when the metal shutter moves up and down with the seat shutter stopped.

[0005] Further, by providing the sheet shutter and the metal shutter together, the entrance (d) of the storage section (c) accommodating the drums (a) and (b) becomes large, and a gap is formed from the entrance (d). Wind invades. The entrance (d) must be made larger so that the sheet shutter does not come into contact with the metal shutter even if the sheet shutter is deflected. When the metal shutter is fully open,
Due to the high-speed elevating movement accompanying opening and closing of the seat shutter, the seat plate and pipe provided on the seat shutter vibrate,
Noise is generated by contact with the seat plate of the metal shutter.

[0006]

As described above, the shutter device provided with the sheet shutter has the above-mentioned problems. The problems to be solved by the present invention are these problems.Even if the seat shutter is greatly bent and comes into contact with the metal shutter, the lifting and lowering movement is not hindered or broken, and the seat shutter is moved to the storage section. The present invention provides a shutter device provided with a sheet shutter that smoothly moves in and out, and suppresses intrusion of draft from the entrance.

[0007]

According to the present invention, a shutter device provided with a seat shutter has a sliding member attached to a lower end of a metal shutter. The sliding body is mounted close to the inner sheet shutter, and if the sheet is largely deflected by wind pressure, the sheet comes into contact with the sliding body. Here, the form of the sliding body is not limited, as long as it does not hinder the up-and-down movement even when the sheet is in contact with the sliding body. For example, a roller or the like that supports the rotating body is used. The length of the sliding body may be the entire length of the frontage, or a plurality of short sliding bodies may be attached. Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[0008]

FIG. 1 is a schematic view showing a shutter device provided with a sheet shutter. The storage section 1 is provided above the frontage 2 and has a drum 4 for winding a metal shutter 3 and a drum 6 for winding a sheet shutter 5. Frontage 2
Guide rails 7a, 7a on which the metal shutter 3 moves up and down, and guide rails 7b, 7b on which the seat shutter 5 moves up and down. By operating the control box 8 attached beside the frontage 2 to drive the drums 4 and 6 to open and close the metal shutter 3 and the sheet shutter 5, the frontage 2 has sensors 9a and 9b. , And the phototube 10 is arranged on it,
Controls the opening and closing movement of the seat shutter.

FIG. 2 is a detailed view of the storage section 1 shown in FIG. 1 above. An inverted T-shaped seat plate 11 is attached to a lower end of the metal shutter 3, and a sliding body 12 is mounted on the seat plate 11. There is. The sliding body 12 rotatably supports a roller 13 and is disposed on the seat shutter 5 side. The roller 13 may be provided over the entire length of the seat plate 11, or a plurality of short rollers 13, 13,... May be provided. The roller 13 moves up and down following the movement of the metal shutter 3.

An entrance 1 formed at a lower end of the storage section 1
4, the metal shutter 3 and the sheet shutter 5 enter and exit.
The upper ends of a and 7b are fitted into the entrance 14. Although there is no large gap between the two guide rails 7a and 7b, a relatively large gap exists between the metal shutter 3 and the seat shutter 5 at the entrance 14 if the sliding body 12 is not provided. The sliding body 12 protrudes more toward the seat shutter 5 than the seat plate 11, so that the gap is reduced.

FIG. 3 shows another embodiment of the sliding member 15. The sliding member 15 is not a rotating member such as the sliding member 12, but can be slid with the sheet shutter 5 in contact therewith. It is made of a relatively soft material (for example, resin) that does not break. The sliding body 15 forms a smoothly curved guide surface 16.

FIG. 4 corresponds to FIG. 5a, in which the sliding body 12 is attached to the seat plate 11, and if the seat shutter 5 is largely bent, the seat shutter 5 is Instead, it comes into contact with the sliding body 12. Therefore, if the sheet shutter 5 moves up and down, the roller 13 of the sliding body 12 rotates, and does not hinder the up and down movement.
Of course, it will not be caught and damaged. Here, the sliding body 12 is not limited to the roller 13 as long as the sliding movement of the sheet shutter 5 in the contact state is not hindered. As described above, the shutter device provided with the seat shutter according to the present invention has the sliding member attached to the lower end seat plate of the metal shutter on the seat shutter side, and the following effects can be obtained. I can do it.

[0013]

[Effects of the Invention] Since the sliding member composed of a roller or the like is attached to the lower end seat plate of the metal shutter which is the shutter device of the present invention, even if the seat shutter is greatly bent due to the wind pressure acting on the seat shutter. The shutter comes into contact with the sliding body, and does not hinder its vertical movement. When the metal shutter is fully opened and the seat plate is at the upper end of the frontage, the sliding body attached to the seat plate functions as a guide at the entrance of the storage portion, and the seat shutter moves up and down smoothly. Be effective on the above.

Further, since the sliding body protrudes from the seat plate toward the seat shutter, the gap between the sliding body and the seat shutter can be reduced, and the intrusion of wind from the entrance of the storage section can be suppressed. On the other hand, by attaching the sliding member, the distance between the guide rail of the metal shutter and the guide rail of the seat shutter can be reduced because even if the seat shutter is largely bent, there is no hindrance to the vertical movement. That is, the width between the two guide rails is reduced, so that it is convenient to attach the guide rail to the frontage, and the appearance is also preferable.

[Brief description of the drawings]

FIG. 1 is a schematic view of a shutter device provided with a sheet shutter.

FIG. 2 is a detailed view of a storage unit of the shutter device.

FIG. 3 shows another embodiment of a sliding body attached to a seat plate.

FIG. 4 shows a case where a sheet shutter is in contact with a sliding member of a metal shutter.

FIG. 5 is a schematic view showing a conventional shutter device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Storage part 2 Frontage 3 Metal shutter 4 Drum 5 Seat shutter 6 Drum 7 Guide rail 8 Control box 9 Sensor 10 Photoelectric tube 11 Seat plate 12 Sliding body 13 Roller 14 Inlet 15 Sliding body 16 Guide surface

Claims (1)

(57) [Scope of request for utility model registration] In a shutter device having a metal shutter and a sheet shutter, a sliding member is attached to a seat plate at the lower end of the metal shutter so as to protrude from the seat plate to the seat shutter side, and the sliding member is made of metal. When the shutter is fully open, it functions as a guide for the seat shutter at the entrance of the storage unit, and it also functions to prevent the seat shutter from contacting the seat plate except when the metal shutter is fully opened. Shutter device.