JPH08319781A - Opening/closing device for laterally opened shutter - Google Patents

Abstract

PURPOSE: To provide an opening/closing device simple in structure and easily designed and constructed so as to open/close a shutter body along a suspension rail with a corner part regarding the opening/closing device for a laterally opened shutter with unit panels connected laterally and flexibly around a vertical shaft. CONSTITUTION: An opening/closing device for a laterally opened shutter is provided with a shutter body 10 for closing an opening part 35, and a suspension rail 25 extended from the upper side of the opening part 35 to the upper side of a side wall 36 via a corner part 37. A driving pulley 42 and a driven pulley are disposed at both ends of the part, extended along the side wall 36, of the suspension rail 25, and a belt 44 wound around both pulleys is connected to the aftermost unit panel l of the shutter body 10. The corner part 37 of the suspension rail 25 is provided with a tie rail 38 having a guide groove 41 for guiding a suspended wheel.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an opening / closing device for a lateral opening shutter provided with a shutter body in which unit panels elongated in the longitudinal direction are flexibly connected to the left and right.
In particular, the present invention relates to an opening / closing device that opens / closes by pulling out or pushing in the shutter body along a suspension rail having a corner portion.

[0002]

2. Description of the Related Art A plurality of vertically elongated unit panels are
A shutter body is formed by flexibly connecting to the left and right around the vertical axis, and the shutter body is suspended on a suspension rail that extends from the upper side of the opening to the upper side of the side wall through the corner and
A lateral opening shutter that opens and closes the opening by moving the shutter body along the suspension rail is known.

As a device for opening and closing such a laterally opening shutter, a driving device as shown in FIG. 5 is used. Since this device has a double-opening structure, and the left and right drive devices are symmetrical, only one will be described. The driving device is a driven pulley 4 provided at the center of the upper side of the opening 35.
3 and a drive pulley 42 provided on the side wall 26 side. The timing belt 44 wound around both the pulleys 43 and 42 is stretched in a planar L-shape by inner and outer guide pulleys 51 and 52 arranged at the corner 37 of the opening and the side wall. The shutter main body 10 accommodated along the side wall is provided with a bracket 45 that is erected on the top unit panel 1.
Is connected to the timing belt 44 by. By rotating the drive pulley 42 in the normal direction, the shutter unit is moved along a suspension rail (not shown) so that the leading unit panel is pulled out, and the opening 35 is closed.

FIG. 6 shows another opening / closing device having a double-opening structure. This device places a drive pulley 42 on one side wall 36 and the other side wall (not shown).
The driven pulley 43 is arranged, and the guide pulleys 51 and 52 are coaxially and rotatably provided on the two corner portions 37 and 37 extending from the side wall 36 to the upper side of the opening 35, respectively. Drive pulley 42 and driven pulley 4
One of the timing belts 44 wound between the guide belts 51 and 53 is guided by the upper guide pulleys 51, 51, and the other is guided by the lower guide pulleys 52, 52. By connecting the top unit panel of the left shutter main body in the figure to the upper timing belt, connecting the front unit panel of the right shutter main body in the figure to the lower timing belt, and rotating the drive pulley 42 forward and backward, The shutter body is synchronized to open and close the opening.

By the way, in order to completely close the opening by the shutter body in which a plurality of vertically elongated unit panels are flexibly connected to the left and right around the vertical axis, the position of the tip side of the shutter body is always constant. Must be in position. Therefore, in the conventional apparatus, as described above, the timing belt is arranged from the side wall to the upper side of the opening through the corner portion, and the leading unit panel of the shutter body is connected to the timing belt.

[0006]

However, in such a structure, there is a problem in that a guide pulley for bending the timing belt into an L shape at the corner portion must be provided. Further, the position of the guide pulley is a locus in a corner portion of the unit panel of the shutter main body, especially a locus of the connecting bracket (usually not a circular arc. In order to form a circular arc, the panel and the timing belt are aligned with the axis of the side wheel. It is necessary to make a decision in consideration of the fact that they must be connected.), And there was a problem that the design and construction becomes troublesome.

The present invention is a side-opening shutter in which a shutter main body in which unit panels are flexibly connected to the left and right around a vertical axis is moved along a suspension rail having a corner portion, and a design and construction are easy with a simple structure. It is intended to provide a simple opening / closing device.

[0008]

According to a first aspect of the present invention, there is provided a device for opening and closing a laterally opening shutter, comprising: a shutter main body 10 for closing an opening 35; and an upper side of the opening from a corner 37 to an upper side of a side wall 36. The shutter main body 10 is formed by connecting a plurality of vertically elongated unit panels 1 to the left and right in a freely bendable manner around the vertical axis, and the shutter main body 10 is horizontally extended along the suspension rail 25. In the opening and closing device of the side-opening shutter that moves in the direction,
The drive pulley 42 and the driven pulley 43 are arranged at both ends of the portion along the side wall of the suspension rail 25.
The belt 44 wound around is connected to the rearmost unit panel 1 of the shutter body 10.

According to a second aspect of the present invention, in the opening / closing device for a laterally opening shutter, the unit panel is provided with a suspension wheel 11 provided substantially at the center of the upper end of the unit panel and a side wheel 18 provided at the upper end of one vertical side 2 of the suspension rail. It is characterized by being suspended in 25.

An opening / closing device for a laterally opening shutter according to claim 3 is characterized in that the suspension rail 25 is provided with a connecting rail 38 having a guide groove 41 for guiding a suspension wheel at a corner portion 37 of the suspension rail 25. Is.

[0011]

According to the first aspect of the present invention, the drive pulley 42 and the driven pulley 43 are arranged in a portion along the side wall of the suspension rail 25, and the shutter main body 10 is moved backward by the belt 44 wound around both pulleys 42 and 43. With a structure that pushes out from
It is not necessary to provide the belt above the opening, and it is not necessary to provide the guide pulley at the corner.

According to a second aspect of the invention, the shutter body 1
Since the suspension wheel 11 and the side wheel 18 are provided at the upper end of the unit panel 1 constituting 0, and the wheels 11 and 18 guide the suspension rail 25, the surface of the unit panel is always regulated by the side wheel. Therefore, there is no possibility of bending in a zigzag shape at the corners or the like, and even if the shutter main body has a rearward pushing structure, the tip side of the shutter main body can always be positioned at a fixed position.

In the invention according to claim 3, the corner portion 3 is provided.
Since the connecting rail 38 having the guide groove 41 is provided on the guide rail 7 to guide the suspension wheel 11, the unit panel is zigzag at the corner even if the shutter body 10 moves smoothly at the corner and is pushed out from the rear. The tip side of the shutter body can always be located at a fixed position without the possibility of bending in a curved shape.

[0014]

1 to 4 are diagrams showing an embodiment of the present invention. 3 is a perspective view of a unit panel constituting the shutter body, and FIG. 4 is a side view of the shutter body. In each unit panel 1, one vertical side 2 has a substantially semi-circular convex cross section, and the other vertical side 3 has a substantially semi-circular concave cross section.
The height of the edge 4 on the inner side of the panel having this concave cross section is slightly lower than that of the outer edge 5 so as not to prevent the inward bending of the connecting portion. A slit 6 is provided at the bottom of the concave cross section of the vertical side 3.
Is formed, and a rubber seal lip 7 is fitted in the slit 6. On the lower edge of the unit panel 1,
Synthetic resin shoe 8 with U-shaped groove facing downward
Is fixed so that it is guided by the guide ridges 9 provided on the floor surface.

A suspension wheel 1 is provided at the center of the upper end of the unit panel 1 by a bracket 12 extending upward from the inner surface of the panel.
1 is pivotally supported. Vertical side with concave section (concave side vertical side) 3
An upper bracket 14 extends horizontally at the upper end of the upper bracket 14, and a vertical support shaft 15 is fixed at the position of the arc center of the concave cross section of the upper bracket with the upper and lower ends protruding above and below the upper bracket 14. Has been done. The concave vertical side 3 is also provided with a lower bracket 16 that extends horizontally at the lower end as well. In this lower bracket 16, short pins 17 are erected upward on the same axis as the support shaft 15. A side wheel 18 is pivotally attached to a portion protruding upward from the upper bracket 14 of the support shaft 15.

The upper end of the vertical side 2 on the convex side is cut out in an L shape and is located slightly lower than the upper end of the unit panel 1. Due to the notch 19, when the unit panels 1 are connected to each other, a play 20 as shown in FIG. 4 is formed at the connecting portion. Insertion holes 21 and 22 are provided at the upper and lower ends of the convex vertical side 2 at the center of the convex cross section. These holes 21,
Bushings 23 and 24 made of synthetic resin are embedded in 22 so that noise is not generated when the support shaft 15 and the short pin 17 are fitted and rotated. Support shaft 15
The length of the portion protruding downward from the upper bracket 14 is
The insertion hole 21 is longer than the length of the short pin 17, and has a depth such that the support shaft 15 can be fully inserted. However, the synthetic resin bush 23 is located near the inlet of the insertion hole 21 with a length shorter than this, as shown by the dotted line in the figure.

As shown in FIG. 4, the adjacent unit panels 1 have the insertion holes 21 and the holes 22 on the convex vertical sides 2 and the support shafts 15 and the short pins 17 on the concave vertical sides 3 of the adjacent unit panels. Are connected in the state of being inserted into. At the time of this connection, the insertion hole 21 is deeply inserted into the support shaft 15, and then the short pin 17 is inserted.
Is inserted into the hole 22. In this connected state, a vertical play 32 is formed between the upper bracket 14 and the upper end of the convex side vertical side 2 of the adjacent unit panel. That is, the panels adjacent to each other by this play space can move relative to each other in the vertical direction and can be moved integrally. The unit panels 1 can be removed one by one by removing the fitting between the short pins 17 and the holes 22, and then removing the support shaft 15 from the insertion hole 21. Unit panel 1
Is attached and detached at the end of the pull-in portion 36 of the suspension rail. At the time of assembly, the connected unit panels are sequentially fitted into the pull-in portion 36 to assemble a side-opening shutter having a desired length.

FIG. 2 is a sectional view of a suspension rail 25 which guides the suspension wheel 11 and the side wheel 18. The side wheel 18 is guided inside the U-shaped suspension rail 25 opened downward.
The suspension wheel 11 rests on the inner shoulder of the suspension rail 25. A vertical rib 26 and a mounting seat 27 are integrally formed on the suspension rail 25, and a cover 28 is fitted into the mounting seat 27 so as to cover the suspension rail 25 and the wheel 11 guided by the suspension rail 25. A fitting groove 31 is provided on the lower surface of the cover 28, and a safety panel 33 is mounted between the fitting groove 31 and the floor surface 32 at a portion along the side wall of the suspension rail. Since the safety panel 33 covers the shutter body 10 that moves along the wall surface, it is possible to eliminate the fear of moving the shutter body 10. Therefore, the safety panel 33 is necessary when the shutter main body 10 is provided in an inside such as an elevator that accommodates a person.

One unit panel guides the upper part of both vertical sides 2 and 3 by the side wheel 18 mounted on the panel and the side wheel of the unit panel adjacent to the convex side vertical side 2 of the convex cross section. Has been done. The shutter main body has a structure in which the direction of the unit panel 1 is defined by the guide ridges 9 provided on the lower side in the moving direction and the upper wheels on the upper side by the side wheels 18, and the displacement between adjacent panels is prevented. Therefore, even if it is pushed out from the rear, it will not be folded.

As shown in FIG. 1, the suspension rail 25 has a structure in which it is drawn from the opening 35 along the side wall 36, and has a corner portion 37 bent at 90 degrees.
A wide synthetic resin connecting rail 38 is provided in the corner portion 37, and a groove 39 having the same shape as the groove of the suspension rail 25 is provided on the lower surface of the connecting rail 38. When the side wheel 15 is guided by such a connecting rail 38, the center of the upper side of the unit panel 1 (suspended wheel 11) moves to the curvature center side of the rail at the corner portion. Therefore, a guide groove 41 for guiding the suspension wheel 11 is provided on the upper surface of the connecting rail 38 so that the shutter body can smoothly change its direction.

A drive pulley 42 fixed to the drive shaft of the motor is provided at the rear end of the suspension rail, and a driven pulley 43 is provided at the corner 37. Both pulleys 4
A timing belt 44 is wound around 2, 43,
As shown in FIG. 2, the timing belt 44 is arranged above the mounting seat 27 of the suspension rail. The timing belt 44 and the shutter body 10 are connected via a bracket 45 provided on the rearmost unit panel 1.

In the opening / closing operation, the drive pulley 42 is rotated in the forward direction by an electric motor to push the rearmost unit panel 1 forward to move the shutter body 10 forward and close the opening 35. By rotating the drive pulley 42 in the reverse direction with an electric motor, the rearmost unit panel 1 is pulled backward, the shutter body 10 is retracted, and the opening 35 is released. Since the shutter of the present invention is of a suspension type, it is possible to cause the shutter to move forward and backward with a weak force, and an electric motor with a small output can sufficiently cope with it.

[0023]

As described above, according to the opening / closing device of the present invention, it is not necessary to provide the guide pulley at the corner portion. Further, by adopting a structure in which the unit panel is guided on the suspension rail by the suspension wheel and the side wheels in the substantially center, and a structure in which the suspension wheel is guided by providing a connecting rail having a guide groove at the corner portion, , The shutter body is not folded in a zigzag shape, and the tip side of the shutter body can be positioned at a fixed position.

[Brief description of drawings]

FIG. 1 is a plan view of a device for opening and closing a side-opening shutter.

FIG. 2 is a sectional view of part A in FIG.

FIG. 3 is a perspective view of a unit panel.

FIG. 4 is a side view of the shutter body.

FIG. 5 is a plan view of a first conventional example.

FIG. 6 is a perspective view of a second conventional example.

[Explanation of symbols]

 1 Unit panel 10 Shutter body 25 Suspension rail 35 Opening 36 Side wall 37 Corner section 38 Connecting rail 41 Guide groove 42 Drive pulley 43 Driven pulley 44 Timing belt

Claims (3)

[Claims] 1. A shutter body (1) for closing an opening (35).
0) and the side wall (3) from the upper side of the opening through the corner (37).
6) is provided with a suspension rail (25) connected to the upper side, and the shutter body (10) is a unit panel (1) elongated in the longitudinal direction.
The left and right sides are connected flexibly around the vertical axis,
In the opening / closing device for a laterally opening shutter that moves the shutter body (10) laterally along the suspension rail (25), drive pulleys (42) are provided at both ends of the portion along the side wall of the suspension rail (25).
And a driven pulley (43) are arranged, and the belt (44) wound around both pulleys (42, 43) is connected to the rearmost unit panel (1) of the shutter body (10), Side-opening shutter opening / closing device. 2. The unit panel is suspended on a suspension rail (25) by a suspension wheel (11) provided substantially in the center of its upper end and a side wheel (18) provided at the upper end of one vertical side (2). The opening and closing device for a laterally opening shutter according to claim 1, wherein the opening and closing device is a hanging device. 3. The suspension rail (25) has a corner portion (37).
The opening / closing device for a laterally opening shutter according to claim 2, further comprising a connecting rail (38) having a guide groove (41) for guiding the suspension wheel (11).