JPH0748958Y2 - Shutter device - Google Patents

Description

[Detailed description of the device] [Industrial applications]

The present invention relates to a panel-type shutter device that opens and closes a shutter opening / closing opening such as a doorway and a window of a building by a plurality of interconnected panels, and more particularly to a shutter device in which measures are taken to prevent airtightness between the panels at a shutter closed position.

[Prior art]

The conventional panel-type shutter device is a pair of left and right chains that can be moved into the upper panel storage box along a pair of left and right vertical guide rails that are arranged on both sides of the opening and closing of shutters such as entrances and exits of buildings. A plurality of upper and lower panel holding frames are connected to each other, and panel face plates are attached to the panel holding frames, and a panel structure constituted by the panel face plates and the panel holding frame, a so-called panel is provided along the both guide rails. By moving up and down, it is moved to the feeding closed position between the guide rails and the storage position in the box. By the way, the panel holding frame is generally made of a light metal such as aluminum, and at the feeding position between the two guide rails, the panel holding frames in upper and lower stages are abutted and closed by metal touch at their upper and lower ends. It has become.

[Problems to be solved by the device]

The conventional shutter device is configured as described above, and the panel holding frames extended between the guide rails are abutted and closed by a metal touch. In the closed state, there was a problem that it also creaks noise due to wind pressure. Further, as described above, there is a risk of serious injury when a finger or the like is accidentally caught between the panel holding frames closed by the metal touch. Therefore, conventionally, there is also one in which each panel holding frame is provided with an airtight member that also serves as a cushion between the panel holding frames, but since the entire airtight member is integrally formed of a soft elastic material, it may be affected by a panel load. Not only is it deteriorated at an early stage, but when the airtight member is easily attached to the panel holding frame, the attachment strength is insufficient, and the airtight member is closed when the panel holding frame is closed. In order to easily remove the airtight member and to satisfy the attachment strength of the airtight member, the airtight member attachment groove of the panel holding frame and the attachment base portion of the airtight member must have a complicated shape. There is a problem that not only the mounting of the mold becomes difficult, but also the molding die becomes complicated and the cost increases greatly. The present invention has been made to solve the above problems, and noise generation due to mutual panel holding frames can be prevented by the airtight member, and the airtight member does not need to have a complicated shape, and its installation is easy. Therefore, it is an object of the present invention to provide a shutter device which can be carried out for a long time, can obtain a sufficient mounting strength, and can prolong the life of the airtight member.

[Means for solving problems]

In the shutter device according to the present invention, two upper lateral elongated groove portions that are parallel to the longitudinal direction and open upward are formed in the upper frame of the upper and lower panel holding frames that are vertically driven along the left and right guide rails. At the same time, the lower frame of each panel holding frame is formed with the upper lateral groove portion and two lower lateral groove portions having a target cross-sectional shape and opening downward, and the upper or lower lateral groove portion is fully closed. At the position, an airtight member for the two articles having the same shape for sealing between the panel holding frames at parallel positions along the longitudinal direction is provided, and the airtight member is fitted into the upper or lower lateral elongated groove portion. The upper frame and the lower frame of the panel holding frame which cover the opening portion of the upper or lower laterally long groove portion in which the mounting portion to be engaged and the mounting portion is fitted and engaged with the panel holding frame when the shutter is fully closed. Between And a mounting portion formed of a hard material.The mounting portion is formed of a hard material, and the mounting portion is formed of a hard material and a protruding portion that projects from the collar-shaped seat portion and press-fits into the lower or upper lateral groove of the mating panel holding frame. The collar-shaped seat portion and the protruding portion are formed of a soft material that is integral with the mounting portion.

[Action]

In the shutter device according to the present invention, each soft projecting portion of the airtight member which is attached to the upper frame or the lower frame of each panel holding frame and is parallel to the longitudinal direction and which is parallel to the lengthwise direction of the other panel holding frame when the shutter is fully closed. It is possible to doubly seal between the panel holding frames when the shutter is fully closed by press-fitting into the lower or upper lateral grooves. Moreover,
The airtight member has a soft collar-shaped seat portion similar to the protruding portion, and the collar-shaped seat portion intervenes between the panel holding frames when the shutter is fully closed to buffer it. The backgrounds of the frame do not collide with each other.
Therefore, it is possible to reliably prevent the generation of noise due to the collision and also to prevent the squeaking noise between the panel holding frames due to the wind pressure when the shutter is fully closed. Further, even if fingers or the like are sandwiched between the panel holding frames at the time of the closing operation, a large injury can be prevented by the cushioning action of the soft protruding portion and the collar-shaped seat portion of the airtight member. Further, since the attachment portion of the airtight member is formed of a hard material, the attachment portion is simply inserted into the upper or lower lateral groove portion of the panel holding frame and engaged with the airtight member on the panel. It can be easily attached to the holding frame, and the hard attachment portion can sufficiently withstand the panel load, so that the life of the airtight member can be extended.

【Example】

An embodiment of the present invention will be described below with reference to the drawings.
FIG. 1 is a schematic front view of a shutter device according to an embodiment of the present invention, FIG. 2 is an enlarged sectional view in a separated state taken along line II-II of FIG. 1, and FIG. It is an expanded sectional view of an airtight member which becomes a part. In FIG. 1, reference numeral 1 denotes a pair of left and right vertical guide rails arranged on both sides of a shutter opening / closing opening such as an entrance / exit of a building or a window, and a box 2 for storing a panel is arranged on the upper portion thereof. A sprocket (not shown) for driving the panel up and down, which is normally and reversely driven, is arranged in the box 2, and a pair of left and right chains 3 that are vertically driven along the guide rail 1 are engaged with the sprocket. is doing. In these chains 3, the upper and lower sides of a plurality of upper and lower panel holding frames 4 that are adjacent to each other in the vertical direction are connected to each other between the guide rails 1. Each panel holding frame 4 includes an upper frame (upper horizontal frame) 41, a lower frame (lower horizontal frame) 42, end frames (left and right vertical frames) 43 on both sides, and an intermediate reinforcing frame 44. The intermediate reinforcing frame 44 is provided as needed. As shown in FIG. 2, a panel face plate 7 made of glass or the like is fitted and held on the panel holding frame 4 via a bead 5 with a front and a bead 6 with a rear. In such a panel holding frame 4, outside the lower frame 42, two engaging grooves (lower laterally long groove portions) 45 for attaching the airtight member are provided, which are separated leftward and rightward along the longitudinal direction thereof and open downward. ing. Each of these locking grooves 45 is formed in a dovetail shape, and the airtight member 8 is attached to them. As shown in detail in FIG. 3, the airtight member 8 has a mounting portion 81 side having a dovetail-shaped locking piece portion 81a which is fitted and engaged in the locking groove 45, and a lower panel holding frame in FIG. (Mating panel holding frame) 4, which is provided in the upper frame 41 of the upper frame 41 and has a downward projecting portion 82 side which is removably fitted into two left and right fitting grooves (upper laterally long groove portions) 46 which are opened upward. There is. Here, the fitting groove 46 is formed in a dovetail groove shape in cross section which is symmetrical with the locking groove 45. In the airtight member 8, the mounting portion 81 side is formed of a hard material such as synthetic resin, and the protruding portion 82 side is formed of a soft material integrated with the mounting portion 81 side. Here, the protruding portion 82 is formed in a taper shape in which the width is gradually narrowed on the tip side, and a brim-shaped seat portion 82a that covers the downward opening surface of the locking groove 45 on the outside is integrally formed on the base portion thereof. Therefore, the protruding portion 82 side means the entire body including the tapered protruding portion 82 and the collar-shaped seat portion 82a, and the entire portion is formed of a soft material integral with the mounting portion 81 side as described above. There is. The airtight member 8 configured as described above has the locking portion 81a.
2 is inserted into the locking groove 45 of the lower frame 42 from one end in the longitudinal direction, so that the locking piece portion 81a is engaged with the locking groove 45 and the protruding portion 82 side projects downward. It is installed in the state of. Next, the operation will be described. When a plurality of upper and lower panel holding frames 4 are drawn out from inside the bots 2 through the chains 3 between the guide rails 1, the projecting portions 72 of the panel holding frames 4 at the drawn-out closed position have the lower panel holding frames 4 protruding. It is fitted in the fitting groove 46 in the upper part. At this time, since the protruding portion 72 is formed in a tapered shape, the fitting with the fitting groove 46 is smoothly performed. And at the time of mating,
The protrusion 72 is elastically deformed in the fitting groove 46 and
The flange-shaped seat portion of the airtight member 7 is closely attached to the inner surface of 46.
72a comes into close contact with the upper frame 41 of the lower panel holding frame 4. Therefore, the airtight member 7 prevents the noise generation due to the impact between the panel holding frames 4 and prevents the panel holding frames 4 from being generated.
Airtightly seal each other.

[Effect of device]

As described above, according to the present invention, the soft protrusions of the airtight members provided on the upper and lower sides of each panel holding frame and parallel to each other are parallel to the lower or upper side of the mating panel holding frame when the shutter is fully closed. Since it is configured to press fit into the groove,
When the shutter is fully closed, the panel holding frames can be doubly sealed to each other, and sufficient airtightness can be obtained. Moreover, the airtight member integrally has a soft collar-shaped seat portion like the protruding portion, and this collar-shaped seat portion intervenes between the panel holding frames when the shutter is fully closed, and thus impacts the shutter. The backgrounds of the panel holding frames do not collide with each other at the time of closing, so that noise generation due to the collision can be reliably prevented, and the squeaking noise between the panel holding frames due to the wind pressure in the fully closed state of the shutter is eliminated. The effect is that it can also be prevented. In addition, the collar-shaped seat portion ensures watertightness between the panel holding frames when the shutter is fully closed.
There is an effect that the airtightness can be further improved. Further, even if fingers or the like are sandwiched between the panel holding frames at the time of the closing operation, there is an effect that a large injury can be prevented by the cushioning action of the soft protruding portion and the collar-shaped seat portion of the airtight member. Further, since the attachment portion of the airtight member is formed of a hard material, the attachment portion is simply inserted into the upper or lower laterally long groove portion of the panel holding frame and engaged with the airtight member to the panel. Since it can be easily attached to the holding frame, and the hard attaching portion can withstand the panel load sufficiently, the life of the airtight member can be extended.

[Brief description of drawings]

FIG. 1 is a schematic front view of a shutter device according to an embodiment of the present invention, FIG. 2 is an enlarged sectional view in a separated state taken along line II-II of FIG. 1, and FIG. It is an expanded sectional view of an airtight member which becomes a part. In the figure, 1 is a guide rail, 2 is a box, 3 is a chain, 4 is a panel holding frame, 8 is an airtight member, 81 is a mounting portion, 82 is a protruding portion, and 82a is a collar-shaped seat portion.

Continuation of the front page (56) References Open 59-140694 (JP, U) Open 52-141245 (JP, U) Open 63-85787 (JP, U) Open 56-124193 (JP) , U) Sukeko 50-34682 (JP, Y1)

Claims (1)

[Scope of utility model registration request] 1. A pair of left and right chains which are movable along a pair of left and right guide rails arranged on both sides of a shutter opening / closing opening into an upper panel storage box,
In a shutter device including a plurality of upper and lower panel holding frames that are vertically driven along the guide rails, and a panel face plate attached to these panel holding frames, the upper frame of each panel holding frame has a longitudinal direction. Along the top of the panel holding frame, two upper horizontal grooves that are parallel to each other and open upward are formed, and two lower horizontal openings that are downward and have a target cross-sectional shape with the upper horizontal grooves. A groove portion is formed, and the upper or lower laterally long groove portion has the same shape and seals the two panel holding frames at the shutter fully closed position in a parallel position along the longitudinal direction. The airtight member includes an attachment portion that is fitted into and engaged with the upper or lower lateral groove portion, and an opening surface portion of the upper or lower lateral groove portion that is continuous with the attachment portion and that is engaged with the attachment portion. A collar-like seat portion interposed between the panel holding frame mutual upper frame and the lower frame on the shutter is fully closed I,
The mounting part is made of a hard material and has a projecting part projecting from the flange-shaped seat part and press-fitted into the lower or upper lateral groove part of the mating panel holding frame. A shutter device, wherein the portion and the protruding portion are formed of a soft material that is integral with the mounting portion.