JP2510003Y2 - Blind shutter slatter - Google Patents

Description

[Detailed description of the device] [Industrial applications]

The present invention relates to a blind shutter slat for opening and closing a shutter opening / closing opening of various buildings.

[Prior art]

The slat of a conventional blind shutter has a slat shape integrally formed as a whole, and is linked through a plurality of upper and lower chains to vertically drive a plurality of the slats along a pair of left and right guide rails. The connecting slats are opened and closed at the lowered position between the guide rails, and when the slats are closed, the slats in the upper and lower stages are held in the assembled state.

[Problems to be solved by the device]

Since the slats of the conventional blind shutter are integrally formed as described above, when the slats are closed at the descending position between the guide rails, the slats are rotated in the closing direction so that the slats are closed. There is a risk of serious injury by pinching your fingers in the dining area,
It was a problem with the safety of the blind shutter. In addition, as described above, when the slats that are integrally formed as a whole are subjected to a strong wind pressure in the closed state between the guide rails, the entire slats vibrate individually and a large noise is generated. There were also problems. The present invention was made to solve the above problems, and there is no risk of injury even if a finger is mistakenly caught in the seating portion when the slat is closed, and safety can be reliably ensured. An object of the present invention is to provide a blind shutter slat capable of reliably preventing vibration noise due to wind pressure.

[Means for Solving the Problems]

The slat of the blind shutter according to claim 1 of the present invention has an auxiliary slat provided on one side in the longitudinal direction which is the lower end of the slat when the slat is open, and the auxiliary slat is positioned lower when the slat is closed. It has an urging force in the closing direction of the calling portion with another slat, and is displaceable in the opening direction of the calling portion against the urging force. In the slat of the blind shutter according to claim 2 of the present invention, the auxiliary slat is rotatably supported on one side in the longitudinal direction which is the lower end of the slat in the closed state of the slat, and the auxiliary slat is slat assembled by a spring. It is biased toward the section. In the slat of the blind shutter according to claim 3 of the present invention, an auxiliary slat made of an elastic member elastically deformable in the opening direction of the slat assembly portion is provided on one side in the longitudinal direction which is the lower end of the slat in the closed state of the slat. They are connected together.

[Action]

The blind shutter slat according to the present invention, in any one of claims 1 to 3, has an auxiliary slat that resists the biasing force when a finger is accidentally pinched in the assembly portion when the slat is closed. Since it is automatically displaced in the direction to escape from, there is no risk of injuring the sandwiched fingers,
Safety is guaranteed. In addition, as described above, the auxiliary slats have an urging force in the closing direction of the summing portion and are displaceable in the direction against the urging force, so that the slats are elastically summoned and cushioned. An effect is obtained, which prevents vibration noise between the slats due to wind pressure.

【Example】

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a rear view partially showing a slat of a blind shutter according to an embodiment of the present invention, and FIG.
It is the II-II sectional view taken on the line of FIG. FIG. 1 and FIG. 2 are views showing the state of each part in the slat closed state. In these figures, 1 is a slat body, and the upper part of the slat body 1 is an inclined portion.
1a, and the cushioning material 2 is attached to the upper end of the inclined portion 1a. Further, a pair of laterally long engagement ridges 1b, which are parallel to each other along the longitudinal direction and have a hook shape bent in the relative direction, are integrally provided on the back surface of the abdomen of the slat body 1. A laterally elongated annular bearing portion 1c for mounting an auxiliary slat is integrally formed on the lower end portion of the slat body 1, and the base end annular shaft portion 3a of the auxiliary slat 3 is rotatably fitted to the annular bearing portion 1c. Have been combined. Here, as shown in FIG. 1, a mounting shaft 4 is integrally fitted and connected to both ends of the base end annular shaft portion 3a, and a coiled spring S is provided on the outer end side of the mounting shaft 4. The slat body 1 and the auxiliary slat 3 are press-fitted and engaged at both ends of the spring S, respectively. Therefore, the auxiliary slat 3 is urged by the spring S in the slat assembly direction (arrow direction in FIG. 2). In this manner, the slat main body 1 on which the auxiliary slats 3 having the biasing force in the slat assembly direction are rotatably attached has a plurality of chains, and a plurality of the slats are vertically arranged on the chain through link mechanisms or cranks. Connected and supported. In this case, as a supporting means, the slant body 5 for connecting the rotation support shaft is attached to the laterally-engaging ridge 1b of the slat body 1.
Engaging grooves 5a provided above and below are mounted by sliding fitting. In the slat piece 5, a square fitting convex portion 5b is integrally provided at the center thereof, and the engaging groove 5a is formed.
A notch engaging portion 5c is provided on the outer side wall portion of the. The fitting projection 5b of the slat piece 5 is provided with a crankshaft or an ordinary rotation shaft (hereinafter referred to as a rotation shaft) for connecting and supporting both ends of the slat body 1 to the chain or the link mechanism as described above. ) 6 and a flat mounting piece 6a that is integral with 6 has a horizontally long rectangular hole 6c fitted therein. In this state, a presser cap 7 (see the chain double-dashed line in FIG. 2) is detachably attached to the slat piece 5 so as to sandwich and fix the flat attachment piece 6a between the slat piece 5 and the slat piece 5. There is. As shown in FIGS. 3 (A) to 3 (C), the pressing cap 7 includes a bent piece portion 7a formed at upper and lower ends and a bent piece portion 7a.
It has a shape configuration having an engaging claw portion 7b formed by cutting out on one end side of 7a and one end bending portion 7c bent and formed in the vicinity of the engaging claw portion 7b side. By slidingly fitting the bent piece portion 7a of the pressing cap 7 into the engagement groove 5a of the slat piece 5, the engagement claw portion 7b is inevitably elastic to the switching engagement portion 5c of the slat piece 5. Engaged. At this time, the one-end bent portion 7c of the pressing cap 7 abuts against the end of the flat mounting piece 6a of the rotary shaft 6 to perform a stopper function,
The engagement state between the engagement claw portion 7b and the notch engagement portion 5c is reliably maintained. In this way, the rotating shaft 6 is connected and fixed to both ends of the slat body 1 by the slat piece 5 and the pressing cap 7. Next, the operation will be described. The upper and lower stages of the slat body 1, which are linked so as to be vertically movable along the guide rails standing upright on both sides of the opening for opening and closing the shutter, are at the lowered position between the guide rails, and the open position and the solid line shown in FIG. It is rotated to open and close to the closed position shown. At the closed position of each slat body 1, the cushioning material 2 of the lower slat body 1 is pressed against the auxiliary slat 3 of the upper slat body 1, so that the slats are held in the assembled state in which the mutual slats are closed. It However, when rotating each slat body 1 from the open position shown by the chain line in FIG. 4 to the closed position shown by the solid line in FIG. If the finger F is mistakenly sandwiched between the upper part of the lower slatted body 1 and the upper end of the inclined portion 1a, the auxiliary slat 3 is rotationally displaced in a direction to escape from the finger F against the biasing force of the spring S. To do. This prevents the finger F from being injured. Further, the auxiliary slat 3 and the cushioning material 2 on the upper end of the inclined portion 1a are mutually buffered to prevent vibration noise. In the above-mentioned embodiment, the case where the auxiliary slat 3 is rotatably supported by the lower end of the slat main body 1 and the auxiliary slat 3 is always urged by the spring S in the closing direction of the summing part has been described. The auxiliary slat 3 may be formed of an elastic member, and the auxiliary slat 3 may be integrally connected to one end of the slat body 1. Even in this case, when the fingers F are sandwiched as described above. To auxiliary slats 3
The same effect is obtained by elastically deforming in the direction of escaping from the finger F against the biasing force of its own elastic force.

[Effect of device]

As described above, according to this invention, the auxiliary slats are provided at the lower end of the slat body, and when the fingers are accidentally caught in the assembling part when the slats are closed, the auxiliary slats resist the urging force. Since it is automatically displaced in the direction to escape from there, there is no danger of injuring the sandwiched fingers, and there is an effect that safety can be guaranteed. Further, as described above, the auxiliary slat has an urging force in the closing direction of the calling portion and is displaceable in a direction against the urging force. It also has the effect of preventing mutual vibration noise.

[Brief description of drawings]

FIG. 1 is a rear view partially showing a slat of a blind shutter according to an embodiment of the present invention, and FIG. 2 is a rear view of FIG.
II-II sectional view, FIG. 3 (A) is a rear view of the presser cap, FIG. 3 (B) is the same front view, FIG. 3 (C) is the same end view, and FIG. 4 is a schematic operation. FIG. 1 ... slat body, 1a ... inclined part, 3 ... auxiliary slat, S
…spring.

Claims (3)

(57) [Scope of utility model registration request] 1. A blind shutter that is vertically and vertically connected to a pair of left and right guide rails standing upright on both sides of a shutter opening / closing opening, and is opened / closed at a lowered position between the guide rails. In the slat, an auxiliary slat is provided on one side in the longitudinal direction which is the lower end of the slat in the slat closed state, and this auxiliary slat is provided in the closing direction of the calling part with the other slat located in the lower position in the slat closed state. A slat for a blind shutter, which has an urging force, and is displaceable in the opening direction of the summing portion against the urging force. 2. The auxiliary slat is rotatably rotatably supported on one side in the longitudinal direction, which is the lower end of the slat in the closed state of the slat, and is biased by a spring toward the slat assembly portion. Blind shutter slats as described. 3. The auxiliary slat comprises an elastic member integrally connected to one side in the longitudinal direction which is the lower end of the slat when the slat is closed, and is elastically deformable in the slat assembly opening direction. The slat for a blind shutter according to claim 1.