JPH0613353Y2 - Automatic-manual switching device in electric shutter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a manual switching device for an electric shutter.

[Problems to be Solved by Prior Art and Invention] Conventionally, as an electric shutter, a wire is arranged on a shutter rail, a leading shutter is connected to this wire, and the wire is electrically moved to automatically move the shutter. It is known to open and close.

However, this one has the drawback that the rain door cannot be practically separated from the drive unit, and when it is manually opened and closed in an emergency such as a power failure, the rain door becomes so heavy that manual opening and closing is practically impossible. . Further, assuming that the provisional rain door can be separated from the drive device, and after manually opening and closing, when connecting the drive device and the rain door, it is difficult to re-connect them to a predetermined positional relationship, resulting in poor workability. There is a problem.

[Means for Solving the Problem] In view of the above-mentioned circumstances, the present invention was devised with the object of providing an automatic-manual switching device in an electric shutter that can eliminate these drawbacks. hand,
A series of Amado comrades stored in a door pocket,
A shutter door rail provided at an opening is configured to be opened and closed by being guided, and the shutter door rail is provided with a geared wire forcibly fed in a shutter opening / closing direction with forward / reverse driving of a drive motor. On the other hand, in the leading shutter which is first pulled out from the door pocket among the shutters, the engaging groove formed at the tip is displaced between the engaging position for engaging the runner protrusion provided on the geared wire and the disengaging position for disengaging. A locking member is provided so that it can move up and down so that it can be selected between an automatic opening and closing state in which the locking member engages the runner protrusion and a manual opening and closing state in which it disengages. Between the member and a holding means for holding the locking member in the engaging position and the disengaging position and an intermediate position between them in a disengageable manner, the engaging groove at the tip of the engaging member is Already in the middle position A long side locking the runner protrusion, and is characterized in that it is yet formed sandwiched between the short sides without locking the runner projecting portion in the middle position.

According to this configuration, the present invention can easily release the electric state and manually open and close it when necessary.
This makes it possible to return to the electrically operated state extremely easily.

[Embodiment] Next, an embodiment of the present invention will be described with reference to the drawings. In the drawing, 1 is a leading shutter that is mounted in the upper and lower frames 2 and 3, and 1a is a plurality of other trailing shutters that are connected to the leading shutter 1 via a connecting tool. The leading shutter 1 and the trailing shutter 1a are both of a hanging type, and the traveling roller 4 attached to the upper portion of the leading shutter 1 and the trailing roller 4 of the trailing shutter 1a are provided in parallel with the upper frame 2 respectively. The leading shutter door hanger rail 2a and the trailing shutter door hanger rail 2b are adapted to roll.

Reference numeral 5 denotes a drive motor arranged on the side of the upper frame 2 in the door pocket 6, and a geared wire 7 is meshed with a sprocket 5a that rotates based on forward and reverse driving of the drive motor 5.
The geared wire 7 is a flexible wire having a spiral groove formed on its peripheral surface, and is a rail for geared wire provided on the upper frame 2 in parallel with the hanger rail 2a by forward and reverse driving of the drive motor 5. 2c is forced to be sent. Further, the geared wire 7 is provided with a runner 9 having a protruding portion 9a that engages with a hanger plate 8 of the leading shutter 1 described later in a state of including the geared wire 7. Then, the runner 9 moves integrally with the movement of the geared wire 7 under the control of the drive motor 5 while being guided by the geared wire rail 2c.

On the other hand, a hanger plate 8 which is a locking member that can be engaged with and disengaged from the projecting portion 9a of the runner 9 is provided above the leading shutter 1. That is, the hanger plate 8 is fitted in a fitting hole 10 formed in the upper part of the leading shutter 1 so as to be able to move in and out in the vertical direction, and the upper end of the hanger plate 8 has a U groove described later for engaging with the runner projecting part 9a. The engaging portion 8a is formed. When the hanger plate 8 is positioned at the uppermost engagement position, the engagement portion 8a engages the runner protrusion 9a, whereby the leading shutter 1 and the geared wire 7 are connected. Then, the shutter can be automatically opened and closed in conjunction with the drive of the drive motor 5, but when the shutter is positioned at the lowest disengagement position, the engaging portion 8a disengages from the runner protrusion 9a. , The shutter can be opened and closed manually. By the way, on the indoor side of the front shutter door 1, a vertically long slot 10a is formed at an appropriate height that can be operated by a person, and the operation knob 8b attached to the bottom of the hanger plate 8 is provided in the slot 10a. Is slidably fitted, and this operation knob 8
By sliding b up and down, the hanger plate 8 can be moved up and down.

On the other hand, three recesses 8c are formed in the vertical direction on both side surfaces of the hanger plate 8, and the leaf springs 11 provided on both side surfaces above the fitting hole 10 are selectively fitted into these recesses 8c. By fitting them together, the hanger plate 8 can be detachably held at the engaging position, the disengaging position, and an intermediate position intermediate between these positions. It constitutes a holding means between the shutter and the shutter 1.

Furthermore, the U-groove-shaped hanger plate engaging portion 8a
Is formed into a substantially U-groove shape by being sandwiched between the long and short sides 8d and 8e whose heights are set in a stepped manner. The long side 8d is already set to a length that locks the runner protrusion 9a from the time when the hanger plate 8 is located at the intermediate position, but the short side 8e is located at the intermediate position where the hanger plate 8 is located at the intermediate position. Even so, the length is set so as not to be locked to the runner protrusion 9a. When returning from the manually opened / closed state to the automatically opened / closed state, when the leading shutter door 1 is moved left and right with the hanger plate 8 held at the intermediate position, it is the long side that contacts the runner protrusion 9a. Since it is only 8d, it is possible to search where the runner 9 is in this state.

In the embodiment of the present invention constructed as described above, when the shutters 1, 1a are automatically opened and closed electrically, the operation knob 8b
To the engaging position and lift the hanger plate 8 to the runner 9
It suffices if it is engaged and connected to the drive motor 5
When the geared wire 7 is moved by driving, the leading shutter 1 is automatically opened and closed, and the shutter is automatically opened and closed.

On the other hand, in such an electric shutter that automatically opens and closes, when it is desired to manually open and close the shutter in an emergency such as a power failure, the operation knob 8b is lowered to displace the hanger plate 8 to the detached position. Is disengaged and the leading shutter 1 is free from the runner 9,
The shutter can be detached from the drive unit for easy manual opening and closing.

On the other hand, in order to return from the manually closed state to the automatically opened / closed state, the runner 9 and the hanger plate 8 can be engaged and connected by the following operation, for example. That is,
The shutters 1 and 1a are fully closed, and the runner 9 is stopped at an appropriate position in the middle of the opening in this state. Then, with the hanger plate 8 held in the intermediate position, the shutters 1, 1a are manually opened. Then, when the hanger plate 8 reaches the position of the runner 9, the runner protrusion 9a is abutted and locked to the long side 8d of the hanger plate,
As a result, the shutters 1, 1a do not move any further, and when the leading shutter 1 is manually moved in the closing direction after the hanger plate 8 is displaced to the engagement position, a large load is applied. For example, the runner 9 is securely engaged and connected with the hanger plate 8. On the other hand, when the runner 9 moves, the runner 9 is once moved to the open side with the hanger plate 8 being in the disengagement position, and then the hanger plate 8 is moved.
Is displaced closer to the door pocket than the runner 9. And this time, with the hanger plate 8 held in the intermediate position,
The leading shutter 1 may be moved to the closing side until the long side 8d contacts the runner 9, and then the hanger plate 8 may be displaced to the engaging position.

[Effects] In summary, since the present invention is configured as described above, the leading shutter door side locking member is displaced from the locking position to the disengagement position to release the engagement with the wire side runner. By doing so, it is possible to immediately switch from the automatic opening / closing state to the manual opening / closing state when necessary, such as during a power failure.

Moreover, when returning from the manually opened / closed state to the automatically opened / closed state, if the leading shutter is opened / closed with the locking member held in the intermediate position, the long side of the locking member comes into contact with the runner. The position can be easily searched, and the position can be aligned with the locking member. Then, by displacing the locking member to the engaging position, it is possible to immediately engage and connect, which is quick. The automatic opening and closing can be restarted.

[Brief description of drawings]

The drawings relate to an automatic / manual switching device in an electric rain door according to the present invention, wherein FIG. 1 is a schematic front view of an electric rain door, FIG. 2 is a perspective view of a main part showing a drive mechanism of the rain door, and FIG. Is a longitudinal sectional view of the leading shutter, FIG. 4 is a plan view of the main part, and FIG.
The figure is an operation explanatory view showing the engaged, searched, and disengaged states. In the figure, 1 is a leading shutter, 1a is a trailing shutter, 5 is a drive motor, 7 is a geared wire, 8 is a hanger plate, 8d,
8e is a long and short side, 9 is a runner, 9a is a protrusion part.

Claims (1)

[Scope of utility model registration request] 1. A structure in which a series of shutters housed in a door pocket are connected in series so that they can be opened and closed by being guided by a shutter rail provided in an opening, and the shutter rail is provided with a drive. A geared wire that is forcibly fed in the opening / closing direction of the shutter with the forward / reverse driving of the motor is provided.On the other hand, in the leading shutter that is first pulled out from the door pocket of the shutter, the engagement groove formed at the tip is formed in the geared wire. A locking member is provided so that it can move up and down so that it can be displaced between an engaging position for engaging the protruding portion of the provided runner and a disengaging position for disengaging, and the automatic opening and closing state in which the engaging member engages the runner protruding portion. It is configured to be selectable between a manually opened / closed state in which it is disengaged, and further, between the leading shutter and the locking member, the locking member can be freely engaged and disengaged in the engaging position and the disengaging position and further in an intermediate position therebetween. Hold hold A step is provided, and the engaging groove at the tip of the locking member is sandwiched between a long side that is already locked to the runner protrusion at the intermediate position and a short side that is not yet locked to the runner protrusion at the intermediate position. An automatic-manual switching device in an electric shutter that is characterized in that it is formed.