JPH0828159A - Shutter device - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a shutter device that has a reliable shutter panel operation, is highly reliable, and is less likely to cause damage or stain on the shutter panel, and that is quiet and quiet. That is. A device having a plurality of shutter panels, and opening and closing the shutters by raising and lowering the shutter panels, wherein the endless belt for opening and closing the shutter, and a drive for driving the belt. A shutter device comprising: means, a housing portion for housing the shutter panel when the shutter is opened, and an engaging means for detachably engaging the shutter panel with the belt-shaped body.

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 in entrances and exits of various structures, windows, and particularly automatic teller machines.

[0002]

BACKGROUND OF THE INVENTION In recent years, the reliability required for shutter devices has become higher and higher, and in response to such demands, as shown in FIG. 9, a plurality of shutter panels are provided, and these are vertically connected. There has been proposed a shutter device configured to open and close the shutter by storing or accumulating.

In FIG. 9, reference numeral 30 denotes a shutter panel, both sides of which are connected to a chain 32 by pins 31. 33 is a vertical rail that guides the vertical movement of the shutter panel 30, and 34 is the shutter panel 30.
Is a horizontal rail that guides the horizontal movement of the sprocket, and 35 is a sprocket that meshes with the chain 32. That is, when the shutter is opened, the sprocket 35 is rotated by a motor (not shown) and the chain 32 is wound up, and accordingly, the shutter panel 30 is guided by the vertical rail 33 and conveyed upward, and The direction is changed after passing through the sprocket 35, and is further conveyed in the horizontal direction on the horizontal rail 34 to be accumulated and put in a stored state.

On the contrary, when the shutter is closed, the sprocket 35 rotates in the opposite direction and the chain 32 is extended, whereby the shutter panel 30 is sequentially lowered from the storage position, and is vertically moved along the vertical rail 33. Connect to. By the way, it has been found that the shutter device configured as described above has a very serious defect.

That is, in the state where the shutter panels 30 are integrated and stored, the chain 32 connecting the shutter panels 30 hangs loosely as shown in the figure. At this time, the bent portion at the lower end of the chain 32 is bent. It often breaks. When such jamming occurs, even if the sprocket 35 rotates, the chain 32
Since the vehicle does not travel smoothly, the shutter panel 30 cannot operate and cannot function as a shutter device.

Moreover, the slack chain 32 contacts the front and back surfaces of the shutter panel 30 to damage it,
Further, it has been found that there is a problem that the lubricant applied to the chain 32 adheres to stain the shutter panel 30. Further, since the hanging portions of the chains 32 swing together when the shutter panel 30 is moved up and down, there is a drawback that a large noise is generated.

[0007]

DISCLOSURE OF THE INVENTION It is an object of the present invention to provide a shutter device in which the operation of the shutter panel is reliable, the reliability is high, the damage and stain of the shutter panel are hard to occur, and the noise is small and the silence is excellent. Is to provide. An object of the present invention is a device that has a plurality of shutter panels, and that opens and closes the shutters by raising and lowering the shutter panels, the endless belt-like body for opening and closing the shutter, and the belt-like body. A shutter for driving the shutter, a storage portion for storing the shutter panel when the shutter is opened, and an engagement means for detachably engaging the shutter panel with the belt-shaped body. Achieved by the device.

That is, in the shutter device of the present invention, a shutter panel is detachably engaged with a circulating endless belt, for example, a chain, and the chain is driven to vertically connect the shutter panels. Also, because it is configured to be integrated and stored,
The chain runs smoothly at all times, and the shutter panel operates reliably.

Further, since there is no slack, the chain does not contact the shutter panel, and the shutter panel is not damaged or soiled. Furthermore, since there is no contact between the hanging parts of the chain, the generation of noise is suppressed and the quietness is high. In the shutter device of the present invention, it is preferable that the endless strips are stretched on both sides of the shutter panel so that the tension state is always maintained. It is possible to eliminate the defect of.

Further, it is preferable that the accommodating portion is provided with a substantially inverted L-shaped rail for guiding the shutter panel. As the engaging means, convex portions (or concave portions) provided at predetermined intervals on the belt-like body and concave portions (or convex portions) provided on the shutter panel side corresponding to the convex portions (or concave portions) are provided.
It is possible to use a structure that includes and, which simplifies the structure.

Further, it is preferable that guide rollers are provided on the side surface of the shutter panel in such a positional relationship as to sandwich the strip, and the shutter panel is guided by parallel rails corresponding to the guide rollers. This makes it possible to firmly support the shutter panel and further improve safety. Further, it is preferable that the rail is provided in an inclined state such that the tip end side of the rail located on the inner side of the storage portion is at a low position, whereby the integrated state of the shutter panels can be easily maintained.

Further, it is preferable that the strip-shaped body in the storage section is stretched at a low position on the inner side of the storage section and at an inclination angle larger than the inclination angle of the rail.
As a result, when the shutter panel is stored, the band state (chain) and the shutter panel are naturally separated from each other, and when the shutter panel is lowered, they are naturally engaged with each other. Can be simplified.

Further, the shutter panel and the belt-shaped body are engaged with each other.
It is preferable that a position regulating means for regulating the position of the belt-shaped body is provided at a position where the belt-shaped body and the belt-shaped body (chain) are engaged with each other more reliably because a normal trajectory can be obtained. Like Further, it is preferable that a push-out mechanism for advancing the shutter panel housed in the housing portion is provided, which enables a quicker lowering operation of the shutter panel.

Further, it is preferable that the rail curved portion in the vicinity of the position where the shutter panel is changed from the horizontal movement to the vertical movement is formed in a shape such that the rail width is expanded, whereby the traveling at the rail corner portion. The resistance can be reduced and the shutter panel can operate smoothly.

[0015]

1 to 8 show an embodiment of a shutter device according to the present invention. FIG. 1 is a side view of the shutter device with the shutter panel stored, and FIG. 2 shows a shutter panel and a chain. 3 is a perspective view showing an engaged state of the shutter, FIG. 3 is a plan view showing an engaged state of the shutter panel and the chain, FIG. 4 is a side view of a main part of the shutter device, FIGS.
Is a side view showing the ascending operation status of the shutter panel, and FIGS. 7 and 8 are side views showing the descending operation of the shutter panel.

In each drawing, K is a frame of the apparatus, 1 is a shutter panel, and this shutter panel 1 is composed of a decorative plate 2 for covering the surface, an internal reinforcing plate 3 and a back reinforcing plate 4, and A refractory material or the like is provided inside. still,
In the shutter device of the present embodiment, the shutter panel 1 has five
Since one sheet is used, in the following, the uppermost one is the first shutter panel, and the next one is the second, third, fourth, and so on.
It is called a fifth shutter panel.

Second to fifth excluding the first shutter panel 1
As shown in FIG. 2, a convex portion 5 formed by bending the decorative plate 2 into a trapezoid is formed at the upper end of the shutter panel 1,
Further, convex portions 6 formed by bending the decorative plate 2 into a trapezoidal shape are also formed at the lower end portions of the first to fourth shutter panels 1 except the fifth shutter panel 1, that is, the shutter panels 1 are joined together. When the two are connected in the vertical direction, the convex portion 5 and the convex portion 6
And are overlapped on the front and back, and a sealed state is obtained.

Both sides of the internal reinforcing plate 3 are bent at a right angle to extend further outward than the decorative plate 2.
As shown in FIG. 2, a plate 9 is attached to the extending piece portion 7 thus formed by a bolt 8. Reference numeral 10 is a guide roller attached to the plate 9, and the two guide rollers 10 are not on the same line but are positioned in front of and behind the center line of the plate 9, as shown in FIG.

Reference numeral 11 denotes a roller receiving member that engages with a chain roller, which will be described later. A U-shaped notch (recess) 12 is formed in the central portion of the roller receiving member and its lower end portion avoids interference with the chain. A tapered surface 13 is formed for this purpose. As can be seen from FIGS. 2 and 4, the tapered surface 1
The side on which 3 is formed projects downward. As a result, the shutter panel 1 is smoothly separated from and engaged with the chain roller.

Reference numeral 14 is a substantially inverted L for guiding the guide roller 10.
It is a V-shaped rail and is provided in parallel with the left and right positions of the frame body K. About the almost horizontal part of the rail 14,
As shown in FIG. 4, the rails located on the inner side of the storage section are provided in an inclined state in which the front end side of the rails is at a low position.
The rail 14 has a structure in which the width of the curved portion 14a is suddenly increased so that the guide roller 10 can smoothly travel.

Reference numeral 15 denotes an endless chain for operating the shutter panel 1, which is stretched under tension on sprockets 16 to 19 provided at four corners of the frame K. The chain 15 has a shutter panel 1
Chain rollers 20 that engage with the roller receiving member 11 are provided at intervals equal to the vertical dimension of the above. Reference numeral 21 is a motor for rotating the sprocket 16, and its rotational force is transmitted to a large sprocket 23 coaxial with the sprocket 16 via a chain 22.

A sprocket having the same size as that of the sprocket 16 is also attached to the opposite end of the shaft to which the sprocket 16 is attached, and the chain travels in the same manner as the side shown in the figure. The sprockets 17 to 19 other than the spcket 16 are attached to the frame body K so that they can rotate freely as the chain 15 runs.

Reference numeral 24 denotes a position regulating mechanism for preventing the chain 15 from escaping. The action of the position regulating mechanism 24 guides the chain 15 to a proper position so that it is securely engaged with the shutter panel 1. . The position regulation mechanism 24 operates only when the shutter panel is descending, and has a direction selecting function so as not to hinder the movement of the chain roller 20 when the shutter panel 1 is ascending.

Reference numeral 25 denotes a push rod, and a rack that meshes with a pinion 27 rotated by a motor 26 is formed on the upper surface of the push rod 25. The push rod 25 rotates the motor 26 to rotate it. The position is detected by a limit switch (not shown) while protruding horizontally on the support base 28 by a required distance, and by reversing the motor 26, it can be retracted to the original position.

Next, the operating condition of the shutter device of the present invention will be described with reference to FIGS. First, when the shutter in the closed state is opened, the motor 21 operates and the sprocket 16 rotates counterclockwise in FIG. Along with this, the chain 15 is also circulated in the direction of the arrow,
The shutter panel 1 suspended from the chain 15 is guided by the rail 14 and pulled up.

After passing through the sprocket 17, the first shutter panel 1 is guided by the horizontal portion of the rail 14 and sent into the space for storing the panel. The chain 15 between the sprocket 16 and the sprocket 17 is moved. Since the inclination angle is larger than the inclination angle of the horizontal portion of the rail 14, the chain roller 20 has a notch in the roller receiving member 11 before the second shutter panel 1 is mounted on the horizontal portion of the rail 14. It is separated from 12, and the engagement is released. Therefore, the first shutter panel 1 stops in the state as shown in FIG. 5, which has advanced the horizontal portion of the rail 14 by a certain distance.

Thereafter, the second shutter panel 1 is sent into the panel storage chamber in the same manner as the first shutter panel 1, and the first shutter panel 1 is pushed inward as shown in FIG. Then, the chain roller 20 is separated from the notch 12 of the roller receiving member 11 to release the engagement, and the second shutter panel 1 stops at that point.

Further, with respect to the third to fifth shutter panels 1 as well, the shutter panels 1 on the upper stage are pushed in and sequentially fed into the panel storage chamber, whereby the shutters are opened. When closing the shutter in the open state, the motor 21 is rotated in the reverse direction so that the chain 15 runs in the reverse direction.
The first to fifth shutter panels 1 are sequentially lowered.

That is, first, the chain roller 20 of the fifth shutter panel 1 is engaged with the notch 12 by the position regulating mechanism 24 immediately before passing through the roller receiving member 11. In this way, the fifth shutter panel 1 is guided by the rails and descends as the chain 15 travels. At the same time that the fifth shutter panel 1 interlocks with the chain 15, as shown in FIG.
5 projects into the panel storage chamber and displaces the first to fourth shutter panels 1 by the thickness of one panel.

As a result, the fourth shutter panel 1 pushed to the existing position of the fifth shutter panel 1 is operated in the same manner as the fifth shutter panel 1 by the corresponding chain roller 20 and descends. Hereinafter, as shown in FIG. 8, each time one shutter panel 1 is lowered, the push rod 25 projects by the thickness of one panel, pushes the shutter panel 1 into engagement with the chain, and descends along the rail 14. Let

After the first to fifth shutter panels 1 are connected in the vertical direction, a lock mechanism (not shown) provided at the upper end of the first shutter panel 1 operates to fix the shutter panels and To be demonstrated. As described above, in the shutter device of the present invention, the endless chain is used to drive the shutter panel, and the shutter panel is driven by circulating the endless chain. Therefore, jamming of the chain does not occur. , The chain always runs smoothly and the operation of the shutter panel is reliable.

Further, there is no damage or stain on the shutter panel due to the slack of the chain, and the noise is low and the place of use is not restricted.

[0033]

[Effect] According to the present invention, the operation of the shutter panel is reliable, the reliability is excellent, and the shutter panel is not damaged or damaged.
Stain is less likely to occur, and there is less noise and excellent quietness.

[Brief description of drawings]

FIG. 1 is a side view of a shutter device with a shutter panel stored therein.

FIG. 2 is a perspective view showing an engaged state of a shutter panel and a chain.

FIG. 3 is a plan view showing an engaged state of a shutter panel and a chain.

FIG. 4 is a side view of a main part of the shutter device.

FIG. 5 is a side view showing the ascending operation status of the shutter panel.

FIG. 6 is a side view showing the ascending operation status of the shutter panel.

FIG. 7 is a side view showing a descending operation state of the shutter panel.

FIG. 8 is a side view showing a descending operation state of the shutter panel.

FIG. 9 is a perspective view of a main part of a conventional shutter device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Shutter panel 10 Guide roller 11 Roller receiving member 12 Notch 13 Tapered surface 14 Rail 15 Chain 16 to 19 Sprocket 20 Chain roller 21 Motor 24 Position regulation mechanism 25 Push rod 27 Pinion

Claims (10)

[Claims] 1. An apparatus having a plurality of shutter panels, and opening and closing the shutters by raising and lowering the shutter panels, the endless belt for opening and closing the shutter, and driving the belt. A shutter device comprising: a driving unit that drives the shutter panel, a storage unit that stores the shutter panel when the shutter is opened, and an engagement unit that detachably engages the shutter panel with the belt-shaped body. 2. The shutter device according to claim 1, wherein the endless belt-shaped member is stretched on both sides of the shutter panel so that the tension state is always maintained. 3. The shutter device according to claim 1, wherein the storage portion is provided with a substantially inverted L-shaped rail for guiding the shutter panel. 4. The engaging means comprises convex portions (or concave portions) provided at predetermined intervals on the belt-shaped body, and concave portions (or convex portions) provided on the shutter panel side corresponding to the convex portions (or concave portions). )
The shutter device according to claim 1, further comprising: 5. A guide roller is provided on the side surface of the shutter panel in such a positional relationship as to sandwich the belt-shaped body, and the shutter panel is guided by parallel rails corresponding to the guide roller. The shutter device according to claim 1. 6. The shutter device according to claim 1, wherein the rail is provided in an inclined state such that a tip end side of the rail positioned on the inner side of the storage portion is at a lower position. 7. The strip-shaped body in the storage portion is stretched at a low position on the inner side of the storage portion and at an inclination angle larger than the inclination angle of the rail. The shutter device according to claim 6. 8. The position regulating means for regulating the position of the belt-shaped body is provided at a position where the shutter panel and the belt-shaped body are engaged and separated from each other.
The shutter device according to any of the above. 9. The shutter device according to claim 1, further comprising an pushing mechanism for advancing a shutter panel housed in the housing part. 10. The shutter panel is formed in such a shape that the rail width is enlarged at the rail curved portion in the vicinity of the position where the horizontal movement is changed to the vertical movement. 9. The shutter device according to any one of 9.