JP4128681B2 - High window opening and closing operation box device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a high window opening / closing operation box device provided with an automatic opening device for forcibly pressing an operation member by remote operation and feeding a wire in an emergency to open a window.
[0002]
[Prior art]
For example, in a high window opening and closing operation box device that opens and closes a high window of a house using a wire, it is normally embedded in the inner wall of the building, and normally the window is extended by operating a push button as an operation member. Is open. Further, the window is closed by winding a wire around a drum built in the operation box by operating the handle.
In addition to opening and closing manually operated windows, a central control room or an automatic opening device that is electrically connected to the smoke detector is installed to deal with the promotion of smoke emission by opening the windows in the event of an emergency such as a fire. ing.
A solenoid is conventionally applied to the automatic opening device, and the push button is forcibly pressed based on the electromagnetic force generated by energization to open the window.
[0003]
[Problems to be solved by the invention]
However, the application of this solenoid has the disadvantage that the overall size must be increased in order to ensure the required output, and the compactness is lacking.
In addition, once the solenoid is attached to the main body, it is difficult to attach and detach, so it is not necessary to attach an automatic opening device to a manual operation one. There is a problem that it becomes disadvantageous in terms of cost.
The present invention has been made in view of these circumstances, and the object thereof is to reduce the overall size, and since the automatic opening device is detachable, the automatic opening device is used for manual operation. It is an object to provide a high-window opening / closing operation box device that is advantageous in terms of cost because it can be used only for the manual operation and can be used for manual operation.
[0004]
[Means for Solving the Problems]
The present invention relates to a high window opening / closing operation box device that opens and closes a building window with a wire, and an operation box including a drum embedded in a building wall and wound with a wire connected to the building window. An operation member provided so as to be able to be pressed against the box, and an operation member for unwinding the wire from the drum by a pressing operation to open the window; and a drum provided to the operation box to rotate the drum and wind the wire A handle for closing the window, and a cam fitted to a crank lever and a rotating shaft of the electric motor. In an emergency such as a fire, the cam is rotated by a predetermined amount by energizing the electric motor. forcibly unlocking the said drum by a crank lever provided with an automatic opening device for opening the window rotation permitting to the drum in the unwinding direction of the wire We have adopted the growth.
Et al is, in the high window opening and closing operation box apparatus of the present invention, the automatic opening device is provided with switching means, with rotating the crank lever predetermined by the rotation of the cam by said switch means, said electric motor with respect to the power supply switch It is characterized in that the power supply to the power supply is restored.
In the high window opening and closing operation box device of the present invention, the switch means is a limit switch.
In addition, in the high window opening and closing operation box device of the present invention, the operation member is a push button.
[0005]
Operation and effect of the invention
(1) According to the high-window opening / closing operation box device of the present invention, the wire is normally drawn out by operating a push button as an operation member to open the window, and the wire is connected to the drum built in the operation box by manual operation of the handle. Can be rolled up to close the window.
(2) Since the automatic opening device is provided in addition to such manual opening and closing of the window, it is possible to cope with the promotion of smoke emission by opening the window in an emergency such as a fire.
(3) Automatic opening device motor in this case, since it is configured by the cam and switches enables unitized and can be detachably attached to one of the manual operation. For this reason, it is only necessary to mount the automatic opening device on the manually operated device, and the manually operated device can be generalized, which is advantageous in terms of cost.
(4) Moreover, if the reduction ratio is increased by using a gear head, the motor itself can be reduced in size, and can be arranged in a slight gap between the operation box and the decorative plate, so that the overall size can be reduced.
(5) Further, in the automatic opening device, the use of the crank lever and the cam enables both the left and right rotations of the motor to be effective, so that the intended function of opening the window can be achieved regardless of the direction of rotation of the motor. And convenient.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described below with reference to the drawings.
First, in FIGS. 1-4 which show the high window opening / closing operation box apparatus 1 of this invention, the decorative board 2 closes the opening part 3a of the operation box 3 embed | buried under the wall part of a building with the screw members 4 and 4. FIG. It is. The decorative board 2 has a vertically long rectangular shape, and a shallow depression 5 directed vertically is formed on the outer surface. Circular holes 6 and 7 (see FIG. 10 for clarity) are formed in order on the upper edge and lower edge of the recess 5 and are attached in a horizontally long manner for the screw members 4 and 4 to pass therethrough. Holes 4a and 4a are provided. Further, the decorative plate 2 is formed with a rectangular hole 9 that accommodates a push button 8 as an operation member at a position immediately below the through hole 6.
[0007]
Reference numeral 10 denotes a one-way clutch mechanism attached to the decorative panel 2, which prevents the drum 34 and the handle 13 from rotating together when the building window (not shown) is opened (the drum 34 is unlocked). To do. The one-way clutch mechanism 10 is finally connected to the support shaft 35 of the drum 34 disposed in the operation box 3 through the lever joint 11, the clutch shaft 24, the roller 28, the hexagonal portion 27a and the hexagonal shaft 27 in this order. It is connected.
[0008]
Reference numeral 16 denotes a rectangular hole formed in the handle 13, and the position thereof corresponds to the push button 8. Reference numeral 17 denotes a concave catch plate portion formed on the back surface of the handle 13, which corresponds to the magnet catch 18 screwed into the recess portion 5 of the decorative plate 2.
[0009]
Now, the push button 8 located in the rectangular hole 9 is screwed by the plate 20 so as to be always urged toward the back surface of the decorative plate 2 by the coil spring 19, and the push button 8 is pushed into the decorative plate 2 and moved. Installed as possible. An operating element 21 extends from the bottom of the push button 8 and passes through the center of the coil spring 19 and protrudes from a central hole 22 formed in the plate 20. 23 is a pusher made of an elastic body, which is fixed to the back surface of the decorative plate 2 by a plate 20 via a support portion 23c, and has an upper end portion along the through hole 6 and a semicircular arc-shaped holding portion 23a corresponding to the grip 15. Is formed. In addition, a protrusion 23 b is formed on the opposite side of the pusher 23 from the holding portion 23 a so as to face the outer peripheral edge of the push button 8.
[0010]
When the handle 13 is not in use, as shown in FIGS. 1 and 9 in particular, the handle 13 is pivoted upward about the pin 14 and is in a non-use position stored in the recess 5. The grip 15 is held on the decorative board 2 by elastically engaging the holding portion 23a of the pusher 23 through the through hole 6. In this state, the push button 8 is positioned in the rectangular hole 9, and the handle 13 is supplementarily held on the decorative plate 2 by the magnetic attractive force of the magnet catch 18 against the catch plate portion 17.
[0011]
Reference numeral 36 denotes an automatic opening device, which is arranged in a slight gap G generated between the operation box 3 and the decorative board 2 as shown in FIGS. The automatic opening device 36 is electrically linked with a central control room or a smoke detector (not shown) in order to deal with the promotion of smoke emission by opening a window in an emergency such as a fire.
[0012]
As shown in FIGS. 6 and 7, the automatic opening device 36 includes a small electric motor 37 attached to the operation box 3 via a zigzag bracket 38 and a disk fitted to the rotary shaft 39 thereof. An eccentric cam 40 is provided. A contact 42 of the limit switch LS3 corresponds directly below the eccentric cam 40. The bracket 38 is supported by a bracket-shaped crank lever 43 pivotally supported by a support shaft 43c. The lower end portion 43a of the bracket 38 corresponds to the eccentric cam 40, and the upper end portion forms a hook portion 43b. Yes. The hook portion 43b is engaged in an engagement groove 44 provided in the left-right direction on the outer surface portion of the presser 36a located on the right side of the push button 8 (FIG. 5). A cover 45 is attached to the bracket 38 so as to protect the eccentric cam 40, the limit switch LS3 and the crank lever 43 as shown in FIG.
LS1 and LS2 are other limit switches, which are in a two-stage stack as shown in FIGS. 5 and 8, and are installed adjacent to the automatic opening device. These limit switches LS1 and LS2 operate based on the connection diagram of FIG. 13 as will be described later.
[0013]
In the above configuration, when the window is opened, the push button 8 is pressed in the state shown in FIGS. Then, the pressing element 36a is actuated via the operation element 21, and the lock mechanism 37a is removed to unlock the drum 34. As a result, the drum 34 rotates leftward as indicated by an arrow A in FIG. 1 to feed out the wire 38a, and the window is opened by rotating downward.
In this case, in accordance with the pressing operation of the push button 8, the outer peripheral edge of the push button 8 pushes the projection 23b of the pusher 23 shown in FIG. 2, and the pusher 23 is elastically deformed with the support 23c as the center, and the arrow M in FIG. Rotate slightly in the direction indicated by. In this case, since the holding portion 23a of the pusher 23 is in elastic contact with the grip 15 of the handle 13 in a frictional contact state, the handle 13 is attached to the decorative plate until the holding portion 23a is locked to the step portion 15a by the rotational force of the pusher 23. 2 away from the outside. As a result, a hand hook (not shown) is formed between the handle 13 and the decorative board 2.
[0014]
As the handle 13 is moved away from the decorative plate 2 to form the handle, the lever joint 11 of the one-way clutch mechanism 10 is slightly moved from the through hole 7 as shown by an arrow C in FIGS. Protruding outside (lift up). This prevents the handle 13 from interfering with the decorative board 2 when it rotates rightward as indicated by the arrow D in FIGS. 10 and 11.
[0015]
And when opening a window, the upper end part of the handle 13 is pulled outward from the unused position of FIG.2, FIG.3 and FIG.9 using the handle port formed as mentioned above. Then, the grip 15 of the handle 13 is disengaged from the holding portion 23a of the pusher 23, and as shown by an arrow B in FIGS.
[0016]
Next, when the handle 13 is rotated in the direction of arrow D in FIGS. 10 and 11, that is, in the clockwise direction, the lever joint 11, clutch shaft 24, roller 28, hexagonal portion 27a, hexagonal shaft of the one-way clutch mechanism 10 shown in FIG. The drum 34 is rotated in the same direction through the 27 and the support shaft 35 in order. Thereby, the wire 38a connected to the window frame is wound around the drum 34, and the window is rotated upward and closed. Along with this, the push button 8 returns to the original position together with the pusher 36a, the lock mechanism 37a is activated, the drum 34 is locked, and the next operation is awaited.
[0017]
Next, there are cases where windows are opened all at once in order to promote smoke emission in the event of an emergency such as a fire or because of the necessity of monitoring by the central control room. In this case, the power switch (not shown) of the small motor 37 is closed by an output signal generated from the smoke detector or a command from the central control room or the like. As a result, the limit switches (switch means) LS2 and LS3 are in the positions indicated by the solid lines in FIG. 13, so that the small motor 37 of the automatic opening device 36 is energized.
[0018]
Accordingly, the eccentric cam 40 rotates through the rotation shaft 39, and the crank lever 43 rotates counterclockwise around the support shaft 43c as shown by an arrow K, and the operations shown in FIGS. ). Thus, the pressing state of the limit switch LS3 against the contact 42 is released, and the limit switch LS3 is turned on as indicated by a two-dot chain line in FIG. At the same time, the pressing element 36 a is pressed through the hook portion 43 b of the crank lever 43 and the engaging groove 44. Thus, the operation is performed in the same manner as when the push button 8 is pressed, and the window is opened in the same manner as the window opening operation described above. At the same time, the limit switch LS1 and the limit switch LS2 are turned on by the rotation of the claw base (not shown) of the lock mechanism 37a as shown by the two-dot chain line in FIG. When the limit switch LS1 is turned on, a pilot lamp (not shown) or the like is turned on, and “open” of the window is displayed.
[0019]
When the limit switch LS2 is turned on, after the eccentric cam 40 is rotated halfway by the small electric motor 37, the contact 42 is opened as shown in FIG. Since it is in the ON state as shown by the chain line, the energized state to the small electric motor 37 is maintained. Further, when the eccentric cam 40 is rotated halfway, the contact 42 is pressed and the limit switch LS3 is turned off as shown by the solid line in FIG. For this reason, as shown in FIG.12 (c), electricity supply to the small motor 37 is cut off, and the rotation of the eccentric cam 40 stops.
Next, when the wire 38a can be wound up, the crank lever 43 is returned to the original position as shown in FIG. 12D together with the pressing member 36a, and at the same time, the power switch for the small motor 37 is restored, and the limit switch LS1. And limit switch LS2 returns to the original position shown as a continuous line in FIG.
[0020]
[Effects based on embodiments]
(A) According to the high window opening / closing operation box device 1 of the present invention, the wire 38a is unwound from the drum 34 by operating the push button 8 as an operating member to open the window, and the operation box 3 is operated by operating the handle 13. The window can be closed by winding the wire 38a around the drum 34 incorporated in the housing.
(B) Since the automatic opening device 36 is provided in addition to such manual opening and closing of the window, it is possible to cope with the promotion of smoke emission by opening the window in an emergency such as a fire.
(C) In this case, the automatic opening device 36 is composed of a small electric motor 37, an eccentric cam 40 and a limit switch LS3, and can be unitized, so that it can be attached to and detached from a manually operated one, and only attached to a manually operated one. It is possible to use a manual operation, which is advantageous in terms of cost.
(D) Further, if the reduction ratio of the small electric motor 37 is increased by using a gear head, the electric motor itself can be reduced in size, and can be disposed in the slight gap G between the operation box 3 and the decorative plate 2, thereby reducing the overall size. Is planned.
(E) Furthermore, in the automatic opening device 36, the use of the crank lever 43 and the eccentric cam 40 is effective in both the left and right directions of the small electric motor 37, so that the intended function can be achieved regardless of the rotational direction of the small electric motor 37. Convenient to play.
[0021]
In this embodiment, the decorative board 2 and the operation box 3 are formed in a rectangular shape, but these geometric shapes can be arbitrarily changed as necessary, such as an ellipse, a circle, a rhombus, a triangle, a saddle, and a polygon. it can. The decorative plate 2 and the operation box 3 may be made of a metal such as stainless steel or mild steel as well as plastic.
[0022]
Further, the through holes 6 and 7 formed in the decorative plate 2 may be formed in a triangular shape, a quadrangular shape or a polygonal shape according to the geometric shape of the grip 15 as well as the circular shape.
[0023]
Furthermore, the high-window opening / closing operation box device according to the present invention can be applied not only to buildings such as houses but also to those that open and close windows such as department stores, stores, greenhouses, grain warehouses, passenger trains, ships, etc. by remote operation.
[Brief description of the drawings]
FIG. 1 is a front view of a high window opening / closing operation box device.
FIG. 2 is a longitudinal sectional view of an operation box shown with a decorative plate removed.
FIG. 3 is a front view of a high window opening / closing operation box device shown together with an automatic opening device.
FIG. 4 is a longitudinal sectional view of an operation box shown with a decorative board attached.
FIG. 5 is an overall exploded perspective view showing a state when the automatic opening device is mounted.
FIG. 6 is an exploded perspective view of the automatic opening device.
FIG. 7 is a perspective view of an automatic opening device.
FIG. 8 is a perspective view showing a state in which an automatic opening device is mounted.
FIG. 9 is a perspective view showing the decorative board when the handle is not used in a state where the operation box is embedded in the wall.
FIG. 10 is a perspective view showing a decorative plate when the handle is used with the operation box embedded in the wall.
FIG. 11 is an exploded perspective view showing the high window opening / closing operation box device when the handle is used.
FIGS. 12A to 12D are schematic views of an automatic opening device shown for explanation of operation. FIGS.
FIG. 13 is a connection diagram for illustrating the operation of limit switches LS1 to LS3.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 High window opening and closing operation box apparatus 2 Face plate 3 Operation box 3a Opening part 4 Screw member 4a Mounting hole 5 Depression part 6, 7 Through-hole 8 Push button (operation member)
10 One-way clutch mechanism 11 Lever joint 13 Handle 15 Grip 15a Stepped portion 16 Rectangular hole (through hole)
34 Drum 36 Automatic opening device 37 Small electric motor (motor of automatic opening device )
37a Lock mechanism 38a Wire 40 Eccentric cam (cam of automatic opening device )
43 Crank lever LS2 to LS3 Limit switch (switching means for automatic opening device )

Claims (4)

An operation box containing a drum embedded with a wire embedded in the wall of the building and connected to the window of the building;
An operation member provided so as to be pressed against the operation box, and an operation member for unwinding the wire from the drum by a pressing operation to open the window;
A handle provided to the operation box for closing the window by rotating the drum and winding the wire;
It is equipped with a crank lever and a cam fitted to the rotating shaft of the electric motor. In an emergency such as a fire, the cam is rotated by a predetermined amount by energizing the electric motor and the drum lever is forcibly released by the crank lever. And a high window opening / closing operation box device comprising an automatic opening device that opens the window by allowing the drum to rotate in a feeding direction of the wire . 2. The high window opening / closing operation box device according to claim 1, wherein the automatic opening device includes switch means, and the crank lever is rotated by a predetermined amount by rotation of the cam by the switch means, and a power switch is connected to the electric motor. A high-window opening / closing operation box device characterized in that energization return is performed . In the high window opening and closing operation box according to claim 2, wherein the switch means is high window opening and closing operation box and wherein the Rukoto such from the limit switch. In the high window opening and closing operation box according to claims 1 to 3, high window opening and closing operation box and wherein the button der Rukoto pushing the operating member.

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