JP2001173347A - Shutting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shutting device capable of easily setting a stopping position such as fully shutting position or the like of a shutting body. SOLUTION: A shutter device 1 as the shutting device is equipped with the shutting body 11 moving with driving force from a motor 65 and, at the same time, it is equipped with a lock device 25 for controlling the movement to the direction of an opening of the shutting body 11. A detection device 67 connected to the motor 65 detects the control of the movement to the direction of the opening of the shutting body 11 to transmit a detection signal to the controlling device 66. When the controlling device 66 receives the detection signal, the motor 65 is controlled to stop the shutting body by prohibiting the output of driving force.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a closing device which can easily set a predetermined stop position such as a fully closed position of a closing body.

[0002]

2. Description of the Related Art A conventional closing device includes, for example, a closing body that moves by a driving force from a motor as a driving means to close a portion to be closed, and an opening that regulates movement of the closing body in an opening direction. The lock device, which is the direction movement restricting means,
For example, it is provided at a position where the closing body is in a substantially fully closed state.

[0003] When the rotation amount of the motor reaches a rotation amount set in advance according to the portion to be closed, the closing body stops at a predetermined stop position, for example, a fully closed position.

[0004]

However, in the above-mentioned conventional closing device, it is necessary to determine the amount of rotation of the motor in accordance with the portion to be closed. There is a problem that the setting of the stop position is complicated.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a closing device capable of easily setting a predetermined stop position of a closing body.

[0006]

According to a first aspect of the present invention, there is provided a closing device, comprising: a movable closing body for closing a portion to be closed; a driving means for moving the closing body in a closing direction and an opening direction;
When the closing body is in a predetermined closing state different from the fully open state, the closing body is allowed to move in the closing direction,
Opening direction movement restricting means for restricting movement in the opening direction,
A closing direction movement suppression detecting means for detecting that the movement of the closing body in the closing direction is suppressed, and the closing direction movement suppressing detecting means in a state where the closing body is moved in the closing direction by the driving means. When it is detected that the movement of the closing body in the closing direction is suppressed, the drive unit is controlled to move the closing body in the opening direction, and the opening is moved in a state where the closing body is moved in the opening direction. When the movement in the opening direction of the closing body is regulated by the direction movement regulating means, a control means for controlling the driving means to stop the closing body is provided.

In this configuration, the control means detects that the movement of the closing body in the closing direction is suppressed by the closing direction movement suppression detecting means while the closing body is moved in the closing direction by the driving means. Then, when the closing body is moved in the opening direction by controlling the driving means, when the movement of the closing body in the opening direction is regulated by the opening direction movement regulating means in a state where the closing body is moved in the opening direction, Since the closing means is stopped by controlling the driving means, a predetermined stop position of the closing body can be easily set without performing an operation such as determining a rotation amount of a motor or the like which is conventionally required.

According to a second aspect of the present invention, in the closing device according to the first aspect, the control means controls the driving means after stopping the closing body based on the regulation of the opening direction movement regulating means. The closing body is moved in the closing direction by a predetermined distance or a predetermined time.

In this configuration, after the control means stops the closing body based on the regulation of the opening direction movement regulating means, the control means controls the driving means to move the closing body in the closing direction by a predetermined distance or a predetermined time. Since the force acting on the closing body from the opening direction movement restricting means is reduced, it is possible to reduce inconveniences such as a load applied to the closing body itself as compared with a configuration in which the closing body is not moved in the closing direction.

According to a third aspect of the present invention, there is provided the closing device according to the first or second aspect, wherein the opening direction movement restricting means is a locking device for releasably locking the closing body.

In this configuration, the locking device locks the closing member so as to be releasable, so that the predetermined closing state of the closing member can be appropriately maintained.

A closing device according to a fourth aspect of the present invention is the closing device according to the third aspect, further comprising operating means having at least an opening operation part, and the control means is configured to operate when the opening operation part of the operation means is operated. The lock device is released and the closing means is moved in the opening direction by controlling the driving means.

In this configuration, the control means releases the lock device and controls the driving means to move the closing body in the opening direction when the opening operation part of the operating means is operated. The closing body can be appropriately moved in the opening direction by a simple operation.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of an embodiment of the closing device according to the present invention will be described below with reference to the drawings.

In FIG. 1, reference numeral 1 denotes a shutter device as a closing device. The shutter device 1 opens a portion to be closed 2 such as an entrance which is an opening, for example, in one state, and opens in another state. The closed part 2 is closed.

The shutter device 1 includes a pair of left and right elongated guide rails 3 having a longitudinal direction in the up-down direction. It is erected so as to be located on both sides.

The lower ends of each of the pair of guide rails 3 are integrally connected by a lower frame 5 as an elongated abutting portion having a longitudinal direction in the left-right direction of the shutter device 1. The lower frame 5 is fixed on a floor 6.

The upper end of each of the pair of guide rails 3 is inserted into an elongated box-shaped shutter box 8 having a horizontal longitudinal direction.

In the shutter box 8, an elongated rectangular opening 9 is formed on the lower surface along the longitudinal direction of the shutter box 8, and the upper end of each guide rail 3 is located at both ends of the opening 9 in the longitudinal direction. Part is inserted. Also,
Inside the shutter box 8, a winding body 10 such as a winding shaft formed of a cylindrical body or the like whose axial direction matches the longitudinal direction of the shutter box 8 is rotatably disposed. The body 10 has a closed body 11 that can move up and down, that is, can be moved up and down along the closed portion 2 so as to be rewound.

The closing body 11 can close the entire closed portion 2, and is, for example, a shutter curtain in which a plurality of slats 11a made of metal or synthetic resin are connected to each other. The adjacent slats 11a, 11a are connected to each other so as to be able to approach and separate from each other, and the closing body 11 is configured to slightly expand and contract in the vertical direction. The upper end of the closing body 11 is fixed to the winding body 10, and the lower end of the closing body 11 is provided with a skirting board 13 as an elongated contact body having a longitudinal direction in the horizontal direction. .

The skirting board 13 has a contact plate 14 formed at the lower end thereof so as to protrude horizontally in the front-rear direction of the closing body 11, and this contact plate 14 is in the fully closed state of the closing body 11. It comes into contact with the lower frame 5 and in the fully opened state, it comes into contact with the lower surface portion or the magsa portion of the shutter box 8. In addition, from both ends in the longitudinal direction of the baseboard body 13, working projections 15 are formed so as to project sideways.

Further, as shown in FIG. 2 and FIG. 3, on the inner side surfaces of the pair of guide rails 3 facing each other,
A slit-shaped insertion opening 21 is formed along the vertical direction.

In each of the guide rails 3, a vertically elongated guide portion 22 is formed at a front position of the shutter device 1 so as to communicate with the insertion opening portion 21, and a lock device is provided at a rear position. An accommodating portion 23 is formed.

Then, in the lock device accommodating portion 23,
When the closing body 11 is in a predetermined closed state different from the fully open state, the closing body 11 is allowed to move in the closing direction C but is allowed to move in the opening direction O. The lock device 25 of the type is accommodated in a state where it is attached to a predetermined position, for example, a position near the lower frame 5 where the closing body 11 is in a substantially fully closed state. Here, the predetermined closed state refers to a state where a predetermined portion of the closing body 11 has reached the position of the lock device 25 or the like. In the guide portion 22 of the guide rail 3, both side edges along the moving direction of the closing body 11 and the operation protrusion 15 of the skirting board 13 are provided with the insertion opening 21.
And is slidably positioned.

The locking device 25 locks the closing body 11 so as to be releasable. As shown in FIG.
It has an elongated main body case 31 having a longitudinal direction in the vertical direction, and a side opening 32 opened toward the side of the main body case 31 is closed by a cover body 33. In addition, this cover body
33 is fixed to the main body case 31 with a plurality of screws 34, for example.

A solenoid housing chamber 35 is formed inside the main body case 31, and a stopper housing chamber 36 is formed below the solenoid housing chamber 35 so as to communicate with the solenoid housing chamber 35. , This stopper storage chamber 36
Is open toward the guide portion 22.

A solenoid 41 is accommodated in a solenoid accommodating chamber 35 of the main body case 31, and a locking member 43 is fixed to a tip of a plunger 42 of the solenoid 41.

When the solenoid 41 is energized, the entire stopper 43 is located in the solenoid chamber 35 due to the retraction of the plunger 42. However, when the solenoid 41 is not energized,
With the plunger 42 advanced by the biasing force of the coil spring 44, the lower end of the locking tool 43 is positioned in a state of entering the stopper housing chamber 36.

On the other hand, the stopper housing chamber of the main body case 31
An arc-shaped guide groove 45 is provided on the inner wall surface of the guide portion 22 at the upper portion thereof.
The bearing portion 46 is formed from one side to the other side, and the bearing portion 46 is formed in a concave shape at a lower portion. On the inner wall surface of the cover body 33, a guide groove 45a and a bearing 46a of the same shape corresponding to the guide groove 45 and the bearing 46, respectively, are formed.

A first horizontal support shaft 48 is provided between the pair of guide grooves 45, 45a which are spaced apart from each other and face each other.
Attached slidably along 45, 45a,
A second support shaft 49 is mounted in parallel with the first support shaft 48 between the pair of bearing portions 46 and 46a opposed to each other, and a stopper body is formed by the first support shaft 48 and the second support shaft 49.
50 is supported so as to be able to advance and retreat with respect to the passing position of the working projection 15 of the baseboard 13.

Here, the stopper body 50 has a pair of side plate portions 51, 51 which are separated from each other and opposed to each other.
Are integrally connected by an elongated rectangular operating inclined plate portion 52 having a longitudinal direction in the vertical direction, and the operating inclined plate portion 52 gradually moves from the upper end to the lower end.
Inclined toward the front.

Further, a first engaging portion 53 is formed at an upper position of the other side edge of the side plate portion 51 so as to engage with the lower end portion of the locking member 43 in a detachable manner. Further, a second engaging portion 54 is formed at the lower edge of the side plate portion 51 so as to engage with the operating protrusion 15 of the skirting board 13 in a detachable manner.

On the other hand, a circular insertion hole 56 through which the first support shaft 48 is rotatably inserted is formed in an upper portion of each side plate portion 51, and a second insertion hole 56 is formed in a lower portion of each side plate portion 51. An arc-shaped guide slit 57 into which the support shaft 49 is slidably inserted is formed with an opening. Each of the first support shaft 48 and the second support shaft 49 is provided with a toggle spring 60 as a common urging means, and one end 60a of the toggle spring 60 is connected to the stopper housing chamber 36.
And the other end 60b of the toggle spring 60 is locked on the back side of the action inclined plate portion 52.

When the solenoid 41 is not energized, the stopper body 50 is in a state in which the first engaging portion 53 of the stopper body 50 and the lower end of the locking member 43 are engaged. As shown in FIG. 2, the stopper body 50 once rotates counterclockwise in FIG. 2 while being guided by the second support shaft 49 about the first support shaft 48 as a rotation center. It retreats from the passing position of the body 13, passes through the working projection 15 of the descending skirting board 13, and then returns to the original state by the biasing force of the toggle spring 60.

In the state where the stopper body 50 is returned, when the skirting board 13 rises, the operating projection 15 of the skirting board 13 and the second engaging portion 54 of the stopper body 50 come into contact with each other and engage. Locking device that raises the skirting board 13 from a predetermined height position.
25 is in the locked state, and the closed state of the closed portion 2 is maintained.

The stopper body 50 is a solenoid.
When the power is supplied to 41, the lock device 25 is in the unlocked state, and the first engaging portion 53 of the stopper body 50 and the lower end of the locking tool 43 are in the non-engaged state. As shown in FIG. 5, the body 50 once rotates clockwise in FIG. 5 while being guided by the first support shaft 48 about the second support shaft 49 as a rotation center, and It retreats from the passing position, passes through the acting projection 15 of the ascending skirting board 13, and then returns to the original state by the biasing force of the toggle spring 60.

On the other hand, as shown in FIG. 1, the shutter device 1 has an operating means 61 composed of a plurality of push buttons and the like.
The operation means 61 is provided with, for example, an open operation unit 62, a close operation unit 63, and a stop operation unit 64.

When the operating means 61 is operated,
An operation signal corresponding to the operation is transmitted to a motor 65 serving as a driving unit.
Is transmitted to the control means 66 for controlling

The motor 65 is connected to detecting means 67 such as a load detecting device capable of detecting the load of the motor 65.
The detection signal from the detection means 67 is transmitted to the control means 66.

The detecting means 67 detects the closing direction C of the closing body 11.
Has a function of contact detection means, which is a closing direction movement suppression detecting means for detecting that the movement of the closing body 11 in the closing direction C is suppressed by contacting the lower end 5 of the closed portion 2 with the front end side of the closed part 2. And has a function of an opening direction movement regulation detecting means for detecting that the movement of the closing body 11 in the opening direction O is regulated. In addition, the suppression mentioned here means regulation,
When the movement of the closure 11 is momentarily restricted and the closure
It is meant to include both cases where 11 moves are gradually restricted over time.

The detecting means 67 detects that the number of rotations of the motor 65, that is, the rotating speed has decreased to a set value, and transmits a detection signal to the control means 66. Calculates the frequency of the alternating current generated by the speed generator such as a tach generator connected to the controller, detects that this frequency has dropped to a set value, and transmits a detection signal.

The control means 66 controls the motor 65 in accordance with the received signal, thereby driving the winding body 10 in the shutter box 8 to rotate or stopping the winding body 10. When the winding body 10 rotates in one direction, the closing body 8 descends in the closing direction C, which is a downward direction, along the portion to be closed 2, and when the winding body 10 rotates in another direction, The closing body 8 moves upward along the closed portion 2 in the opening direction O, which is the upward direction.

The motor 65, the detecting means 67 and the control means 66 may be formed, for example, as a single unit and installed in the shutter box 8, or only the motor 65 and the detecting means 67 may be provided as one unit. It may be configured as a unit and installed in the shutter box 8 and the control means 66 installed at a predetermined position outside the shutter box 8.

Next, the operation of the above embodiment will be described with reference to FIGS.

First, the opening operation of the shutter device 1 will be described.

When the opening section 62 of the operating means 61 is operated in the closed state of the section 2 to be closed (step 1), the locking device 25 is operated.
Is in an unlocked state based on the control output from the control means 66 (step 2). That is, the solenoid 41 of the lock device 25 is energized for, for example, T seconds set in advance, and the first engagement portion 53 of the stopper body 50 and the locking member 43
Is disengaged with the lower end. The unlocking may be performed irrespective of whether or not the lock device 25 is locked, or the lock is controlled by, for example, outputting a predetermined signal at the time of lock. If the means 66 can be grasped, it may be performed only when it is locked.

Then, based on the control output from the control means 66, the driving force is output from the motor 65, and the closing body 11 starts the opening operation, and the closing body 11 moves in the opening direction along the closed portion 2. It rises to O (step 3).

During this ascent, the operation projection 15 of the baseboard 13 of the closing body 11 is not restricted from moving by the stopper body 50 of the lock device 25 as shown in FIG. Unless the closing operation unit 62 or the stop operation unit 64 is operated (steps 4 and 5), the ascent continues.

The contact plate 14 of the baseboard 13 of the closing body 11
When the sensor abuts on the lower surface portion or the magsa portion of the shutter box 8, the detection means 67 transmits a detection signal to the control means 66 based on the load detection of the motor 65 (step 6).

Then, the control means 66 receives the detection signal from the detection means 67, and based on the control output of the control means 66, the output of the driving force of the motor 65 is prohibited, and the closing body 11 is set, for example, in advance. The operation is stopped only for T seconds (step 7).

Next, the closing body 11 is lowered by the driving force from the motor 65 in the closing direction C along the closed portion 2 in the closing direction C by a predetermined distance and for a predetermined time (step 8).
Is in the fully open state where it is stopped at the upper limit stop position which is the fully open position (step 9), and the closed part 2 is in the open state.

The predetermined distance or predetermined time is defined as
For example, it is a relatively short distance or time due to a preset operation of the motor 65 for T seconds or a preset operation of the motor 65 for n rotations, and the force acting on the closing body 11 by the shutter box 8 is reduced. Is a distance or time set as follows. For example, it is set so that an excessive tensile force acting on the closing body 11 for a long time and an excessive pressing force acting on the contact surface between the baseboard body 13 and the shutter box 8 for a long time are appropriately prevented. Distance or time.

Next, the closing operation of the shutter device 1 will be described.

When the closing operation portion 63 of the operating means 61 is operated while the closed part 2 is in the open state (steps 5 and 10), the driving force is output from the motor 65 based on the control output from the control means 66, The closing body 11 starts the closing operation, and this closing body 11
Descends in the closing direction C along the closed portion 2 (step 11).

During the lowering, the operation protrusion 15 of the skirting board 13 of the closing body 11 is not restricted by the stopper body 50 of the lock device 25, and passes through a position facing the lock device 25. (Step 12) Continue to descend. In addition, the closing body 11
When the operating projection 15 of the skirting board 13 passes through a position facing the lock device 25, the lock device 25 is locked by the lock device 25 in the non-energized state.

Then, the contact plate portion 14 of the baseboard 13 of the closing body 11
Is in contact with the lower frame 5, the detection means 67 transmits a detection signal to the control means 66 based on the load detection of the motor 65 (step 13).

Then, the control means 66 receives the detection signal from the detection means 67, and based on the control output of the control means 66, the output of the driving force of the motor 65 is prohibited. Stop for T seconds (step 1
4).

Next, the closing body 11 starts the opening operation by the driving force from the motor 65 and rises in the opening direction O along the to-be-closed portion 2 (step 15). Unless the operation unit 63 or the stop operation unit 64 is operated (steps 16 and 17), the ascent continues.

Then, the working projection 15 of the baseboard 13 of the closing body 11
Is brought into contact with and engaged with the second engagement portion 54 of the stopper body 50 of the lock device 25, so that the upward movement of the closing body 11 in the opening direction O is physically restricted by the lock device 25. Then, the detection means 67 transmits a detection signal to the control means 66 based on the load detection of the motor 65 (step 18).

Then, the control means 66 receives the detection signal from the detection means 67, and based on the control output of the control means 66, the output of the driving force of the motor 65 is prohibited.
The output prohibition state of 65 is maintained, and the closing body 11 stops for, for example, a preset T seconds (step 19).

Next, the closing body 11 is lowered by the driving force from the motor 65 in the closing direction C along the closed portion 2 in the closing direction C by a predetermined distance or a predetermined time (step 20). The state is stopped at the lower limit stop position, which is the fully closed position as the predetermined stop position (step 21), and the closed part 2 is closed.

Note that the predetermined distance or the predetermined time is
For example, a relatively short distance or time due to a preset operation of the motor 65 for T seconds, or a preset operation of the motor 65 for n rotations, and the force acting on the closing body 11 by the lock device 25 is reduced. Is a distance or time set as follows. For example, it is set so that an excessive tensile force acting on the closing body 11 for a long time and an excessive pressing force acting on the contact surface between the baseboard body 13 and the stopper body 50 for a long time are appropriately prevented. Distance or time.

On the other hand, a case where an obstacle (not shown) enters the closed portion 2 during the closing operation of the shutter device 1 will be described.
When the closing body 11 abuts on an obstacle in the closed portion 2 without passing through the position facing the lock device 25 (step 12), the detecting means 67 transmits a detection signal to the control means 66. (Step 22).

Then, the control means 66 receives the detection signal from the detection means 67, and based on the control output of the control means 66, the output of the driving force of the motor 65 is prohibited, and the closing body 11 Stop for T seconds (step 2
3).

Next, based on the control output from the control means 66, a driving force is output from the motor 65, and the closing body 11 starts the opening operation, and the closing body 11 moves in the opening direction along the portion 2 to be closed. O (Step 3), the closing operation section of the operating means 61
Unless the stop operation unit 63 or the stop operation unit 64 is operated (steps 4 and 5), the ascending operation is continued.

Then, the contact plate portion 14 of the baseboard 13 of the closing body 11
Is in contact with the lower surface portion or the magsa portion of the shutter box 8, the detecting means 67 transmits a detection signal to the control means 66 (step 6).

Then, the control means 66 receives the detection signal from the detection means 67, and based on the control output of the control means 66, the output of the driving force of the motor 65 is prohibited, and the closing body 11 The operation is stopped only for T seconds (step 7).

Next, the closing body 11 is lowered by the driving force from the motor 65 in the closing direction C along the closed portion 2 in the closing direction C by a predetermined distance or a predetermined time (step 8).
Numeral 11 indicates a state of stopping at the upper limit stop position (step 9), and the closed part 2 is opened.

On the other hand, before the closing body 11 comes into contact with the obstacle, the stopping means 64
Is operated (step 24), the output of the driving force of the motor 65 is prohibited based on the control output of the control means 66, and the closing body 11 stops at an intermediate position (step 25).
Of course, when the stop operation part 64 of the operation means 61 is operated (step 24), the closing body 11 may be raised and stopped at the upper limit stop position.

When the stop operating portion 64 of the operating means 61 is operated before the closing body 11 passes the position facing the lock device 25 regardless of the obstacle (step 24), the closing body is similarly operated. 11 stops at an intermediate position (step 25). Also, when the stop operation unit 64 of the operation means 61 is operated while the closing body 11 is being lifted (steps 3 and 15) (steps 4 and 1).
6) Similarly, the closing body 11 stops at an intermediate position (step 25).

As described above, according to the embodiment, when the shutter device 1 is closed, the closing body 11 is moved down in the closing direction C along the portion to be closed 2 under the control of the control means 66. In the course of lowering of the closing body 11 in the closing direction C, the closing body 11 is passed through a position facing the lock device 25, and
When the detecting means 67 detects that the contact plate portion 14 of the skirting board 13 on the tip side in the closing direction C has contacted the lower frame 5, the moving direction of the closing body 11 is changed from the closing direction C to the opening direction. Change to direction O.

Next, when the movement of the closing body 11 is regulated by the lock device 25 while the closing body 11 is rising in the opening direction O, the output of the driving force of the motor 65 is detected based on the detection of the detecting means 67. Is stopped, the closing body 11 is stopped, and then lowered for a predetermined distance or a predetermined time, and the lowered position is recognized as the lower limit stop position and stopped.

Accordingly, in accordance with the mounting position of each guide rail 3 of the lock device 25 to the lock device accommodation portion 23,
Since the lower limit stop position of the closing body 11 is set, not only the costly limit device can be eliminated, but also the work such as determining the rotation amount of the motor and the like which is conventionally required becomes unnecessary, and the closing body 11 is not required. , The lower limit stop position, which is the fully closed position, can be easily set.

Therefore, for example, at the site or the like, the locking device 25
Can be set at the lower limit stop position of the closing body 11 simply by attaching the shutter device 1 to a predetermined position of the lock device accommodating portion 23 of the guide rail 3. The shutter device 1 can be installed in a short time.

Further, since the lower limit stop position of the closing body 11 is set by the mounting position of the lock device 25, the closing body 11 is excessively pressed against the lower frame 5 or the like, and the closing body 11 is loosened or swelled on the shutter curtain or the like. Or, on the contrary,
It is possible to avoid such a problem that a gap is formed without reaching the lower frame or the like, and the closing body 11 can be appropriately set in a fully closed state.

After the movement of the closing body 11 is restricted by the lock device 25, the closing body 11 stops at a predetermined lower limit stop position.
11 can be appropriately locked by the lock device 25, and the closed portion 2 can be effectively prevented from being unintentionally opened.

Further, the control means 66 inhibits the output of the driving force of the motor 65 and stops the closing body 11 when the detecting means 67 detects that the movement of the closing body 11 is restricted by the lock device 25. After that, the closing body 11 is moved along the to-be-closed portion 2 in the closing direction C by a predetermined distance or a predetermined time, and is stopped at a predetermined lower limit stop position. Is reduced, so that troubles such as a load applied to the closing body 11 itself can be reduced.

That is, when the closing body 11 moves in the closing direction C by a predetermined distance or a predetermined time, each slat 11a
As a result, the upward force acting on the skirting board 13 is eliminated, and as a result, an unreasonable tensile force acts on the closing body 11 for a long time, and an unreasonable pressing force on the contact surface between the skirting board 13 and the stopper body 50 Act for a long time, and properly prevent the baseboard body 13 and the stopper body 50 from biting or the like.

In the above embodiment, the structure in which the closing device is the shutter device 1 has been described.
For example, a door device, a blind device, a sliding wall device, a screen device, a smoke-proof hanging device, and the like may be used.

In each of the above embodiments, the closing body 11 has been described as being configured to be movable in the vertical direction along the portion to be closed 2. Configuration that can be moved horizontally along etc.
It may be configured to be movable in an inclined direction inclined with respect to the floor or the like.

Further, in any of the above embodiments, the closing body 11 has been described as having a large number of slats 11a connected to each other. For example, the closing body 11 may be connected to any of slats, panels, pipes and sheet pieces. Or a combination of at least one of these slats, panels, pipes and sheet pieces as appropriate, and may further be formed by a single sheet member. The side edges of the sheet member may be connected to each other, or may be a simple plate.

In each of the above embodiments, the closing body 11 has been described as a structure capable of closing the entire closed portion 2, but, for example, only a part of the closed portion 2 is partially closed. You may do it.

Further, in any of the above-described embodiments, when the closing member 11 comes into contact with an obstacle during the closing operation of the shutter device 1, the closing member 11 is moved to a predetermined position and then stopped at the upper limit stop position. However, for example, when the closing body 11 comes into contact with an obstacle during the closing operation of the shutter device 1, the closing body 11 is moved to the position for a preset T seconds or a position slightly raised. It may be configured to stop,
Further, after the stop, the closing body 11 may be lowered again.

In the above embodiment, although not shown, for example, a sensor for detecting that the action projection 15 of the skirting board 13 of the closing body 11 has passed the position facing the lock device 25 is a lock device 25. For example, if the stop operation unit 64 is operated after the sensor detects the passage of the operation projection 15 (step 16), the closing body 11 is stopped at an intermediate position, and When the stop operation unit 64 is operated before the passage of the operation protrusion 15 is detected by (Step 2)
In 4), the closing body 11 may be stopped at the upper limit stop position.

Further, in any of the above-described embodiments, the detecting means 67 is, for example, whether the skirting board 13 is in contact with the lower surface of the shutter box 8 or the magsa section, or Although it has been described that the configuration does not determine whether or not the frame 5 is in contact with the frame 5 and simultaneously has the functions of the closing direction movement suppression detecting unit and the opening direction movement regulating detecting unit, The closing direction movement suppression detecting means and the opening direction movement restriction are performed so as to determine whether the box 8 is in contact with the lower surface portion or the magsa portion of the box 8 or in contact with the lower frame 5 of the skirting board 13. Each of the detection means may be configured separately from each other.

In each of the above embodiments, the closing body 11 is described as being lowered by the driving force from the motor 65, but may be lowered by the gravity of the closing body 11 itself.

Further, in any of the above embodiments, the control means 66 controls the motor 65 when the detection means 67 detects that the movement of the closing body 11 is restricted by the lock device 25.
After stopping the closing body 11 by prohibiting the output of the driving force, the closing body 11 is moved along the closed portion 2 in the closing direction C for a predetermined distance or a predetermined time, and stopped at a predetermined lower limit stop position. However, for example, when the detecting unit 67 detects that the movement of the closing body 11 is restricted by the lock device 25 without moving the closing body 11 in the closing direction C by a predetermined distance, the driving force of the motor 65 is reduced. The output may be prohibited, and the closing body 11 may be stopped with the contact position with the lock device 25 as the lower limit stop position.

In each of the above embodiments, the opening direction movement restricting means has been described as being the lock device 25. However, for example, when the closing member 11 comes into contact with the lock device 25 when the closing member 11 is operated in the opening direction. It is provided at the upper side of the skirting board 13, that is, the contact detection switch on the side of the skirting board (not shown) when the drive is stopped by sensing the load of the tachogenerator or the like or when the closing body 11 contacts the lock device 25 in the opening direction operation. The drive may be stopped by turning on a contact detection switch or a contact detection switch on the lock device (not shown), that is, a contact detection switch provided on the lock device 25. The driving may be stopped by turning on a switch (not shown) located at a position near the direction side.

That is, the opening direction movement restricting means physically restricts the movement of the closing body 11 like the lock device 25 itself (the control means is driven by the motor 65 which is the driving means running idly or the like). This includes a case where the state is maintained as it is, etc.), or the driving of the control unit 66 is stopped by detecting the load of the closing body 11 regulated by the locking device 25 on the driving unit side, and further, the lock is performed. Instead of being physically regulated as in the case of the device 25, the drive may be stopped by the control means 66 by an electric signal or the like when the electric switch is turned on by contact or contact with the closing body 11 by mere contact detection or the like. . In short, when the control unit 66 plays a part or most of the role of the opening direction movement restricting unit, in other words, instead of actively restricting physically, for example, such as electric signal notification and the like Substantial regulation may be performed by the control means 66, for example, only by taking passive measures.

Furthermore, in any of the above embodiments, the closing direction movement suppression detecting means of the detecting means 67 has been described as a load sensing device constituted by a tachogenerator or the like. Lower frame 5 provided below
Alternatively, an obstacle detection switch that is turned on when it comes into contact with an obstacle or the like may be used.

The detecting means 67 in any of the above embodiments may detect the rotational speed of the motor 65 by a pulse generator instead of a load sensing device constituted by a tacho generator or the like. The rotation speed of the winding shaft or the like of the closing body 11 may be detected instead of the rotation speed of
Further, the moving speed of the closing body 11 may be detected by utilizing the current consumption of the motor 65, particularly in the case of direct current, in which the torque is proportional to the current. In general, anything may be used as long as it can detect that the movement has been restricted or suppressed. For example, detection may be performed by a contact sensing switch or the like provided on at least one of the upper side and the lower side of the skirting board.

Further, in any of the above embodiments, the baseboard 13 as the abutment of the closing body 11 has been described as abutting on the lower frame 5 in the fully closed state. A configuration in which the skirting board 13 is directly in contact with the floor 6 without providing the skirting board 13 may be employed.

[0093]

According to the first aspect of the present invention, the control means moves the closing body in the closing direction by the closing direction movement suppression detecting means while the closing body is moved in the closing direction by the driving means. When the suppression is detected, the drive means is controlled to move the closing body in the opening direction, and in a state where the closing body is moved in the opening direction, the opening direction movement regulating means moves the closing body in the opening direction. When the movement is regulated, the closing means is stopped by controlling the driving means, so that there is no need to determine the amount of rotation of the motor or the like which has been required conventionally,
The predetermined stop position of the closure can be easily set.

According to the second aspect of the present invention, after the control means stops the closing body based on the regulation of the opening direction movement regulating means, the control means controls the driving means to move the closing body a predetermined distance in the closing direction. Alternatively, since the moving member is moved only for a predetermined time, the force acting on the closing member from the opening direction movement restricting means is reduced, so that troubles such as a load applied to the closing member itself can be reduced as compared with a configuration in which the closing member is not moved in the closing direction. .

According to the third aspect of the present invention, since the locking device releasably locks the closing body, the predetermined closing state of the closing body can be appropriately maintained.

According to the fourth aspect of the present invention, the control means releases the lock device and controls the driving means to move the closing body in the opening direction when the opening operation part of the operating means is operated. Since it is moved, the closing body can be appropriately moved in the opening direction by a simple operation.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of a closing device of the present invention.

FIG. 2 is a sectional view taken along line AA of the closing device.

FIG. 3 is a sectional view taken along the line BB of the closing device.

FIG. 4 is an exploded perspective view of a lock device provided with the closing device.

FIG. 5 is a sectional view showing a lock device provided with the closing device in the released state.

FIG. 6 is a flowchart for explaining the operation of the above closing device.

FIG. 7 is a flowchart for explaining the operation of the above closing device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Shutter device as a closing device 2 Closed part 11 Closed body 25 Locking device which is opening direction movement restricting means 61 Operating means 62 Opening operation part 65 Motor 66 which is driving means 66 Control means 67 Detection which is closing direction movement suppression detecting means means

Claims (4)

[Claims] 1. A movable closing body for closing a portion to be closed, a drive means for moving the closing body in a closing direction and an opening direction, and the closing body is in a predetermined closed state different from a fully opened state. In the case, the movement of the closing body in the closing direction is allowed,
Opening direction movement restricting means for restricting movement in the opening direction, closing direction movement suppression detecting means for detecting that movement of the closing body in the closing direction is suppressed, and closing direction of the closing body by the driving means. When it is detected that the movement of the closing body in the closing direction is suppressed by the closing direction movement suppression detecting means in a state where
When the closing body is moved in the opening direction by controlling the driving means, the movement of the closing body in the opening direction is regulated by the opening direction movement regulating means in a state where the closing body is moved in the opening direction. And a control means for controlling the driving means to stop the closing body. 2. The control means controls the drive means to stop the closing body based on the regulation of the opening direction movement regulating means and to move the closing body in the closing direction by a predetermined distance or a predetermined time. The closure device according to claim 1, characterized in that: 3. The closing device according to claim 1, wherein the opening direction movement restricting means is a lock device that releasably locks the closing body. 4. An operating means having at least an opening operation part, wherein the control means releases the locking device when the opening operation part of the operating means is operated, and controls the driving means to open the closing body. The closing device according to claim 3, wherein the closing device is moved in an opening direction.