JP3997259B2 - Window opening and closing device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a window opening / closing device in which a swinging opening / closing type sliding door or a sliding-out type shoji can freely move within a certain range by wind pressure.
[0002]
[Prior art]
The ventilation window has a swinging open / close type sliding door or a sliding door, and a link mechanism in which a wire is routed between the window frame and the sliding door is remotely connected by a wire winding mechanism installed on a wall or the like. Opened and closed by operation. For this reason, it is difficult to move the shoji stopped at an arbitrary fenestration position freely (regardless of the operation means). This patent applicant proposes a window opening and closing device in Patent Document 1 that is equipped with an air swing mechanism that can freely displace the shoji within a certain range, and that can automatically adjust natural ventilation according to the strength of the wind. is doing.
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 2001-140535
[Problems to be solved by the invention]
An object of the present invention is a window that can freely change the degree of opening of the shoji by changing the wind pressure such as the strength of the wind, and a comfortable ventilation amount can be obtained at low cost by an air swing mechanism with a small number of parts. To provide a switchgear.
[0005]
[Means for Solving the Problems]
The present invention relates to a swing opening / closing type sliding door, an operating means for opening / closing the sliding door, a link mechanism operated by the operating means to open / close the sliding door, and an idle swing that allows the free movement of the sliding door. In the window opening and closing device comprising a mechanism, the operating means comprises a wire routed to the link mechanism and a winding mechanism for the wire, and the link mechanism is a biasing member that is moved by the wire and a return spring; A rotating arm that is biased by a biasing member to rotate around a support shaft, and a torsion arm that connects the rotating arm and the shoji through a ball joint. The play gap is provided between the biasing member and the rotating arm.
[0006]
[Operation and effect of the invention]
In this invention, the swing arm is rotated by winding the wire to open and close the shoji, and a play gap is provided between the swing arm and the urging member moved by the wire, and the idle swing mechanism is formed by the play gap. Is configured. Therefore, the shoji can freely swing and displace within a certain range with a simple structure that does not require any special parts. As a result, a window that automatically adjusts the opening degree by wind pressure or the like can be provided at an extremely low cost.
[0007]
Moreover, in the window opening / closing apparatus of this invention, the lever which rotates is used as an urging | biasing member. The use of this lever has the advantage that the structure of the biasing member can be simplified and is highly practical. The urging member may be a reciprocating member that reciprocates by the tension of the wire and the return spring.
[0010]
Furthermore, the window opening and closing device of the present invention is provided with a lock mechanism provided between the shoji and the window frame, and a key that rotates in conjunction with the urging member and turns the lock mechanism on and off. When the urging member rotates to the fully closed position, the key turns on the lock mechanism to fix the shoji to the window frame, and when the urging member rotates to the side that opens the shoji, the key turns off the lock mechanism. It is characterized by that.
[0011]
In this configuration, the shoji is held by turning on the lock mechanism when fully closed, so that the holding force is high and stable. In addition, the lock mechanism is automatically turned on when the shoji is fully closed, and automatically turned off when the shoji is opened.
[0012]
The window opening and closing device of the present invention is a key arm in which a key is formed integrally with an urging member. The latch includes a seesaw provided with a sliding inclined surface and a locked portion that is provided on a shoji and engages with a locking claw. With this configuration, a locking device can be easily formed.
[0013]
In the window opening and closing apparatus according to the second aspect, the idle clearance of the idle swing mechanism is constituted by the idle clearance of the clutch that connects between the base of the rotating lever and the base of the rotating arm. With this configuration, the link mechanism can be made compact, the structural strength in the fully closed state can be increased, and strong winds can be dealt with.
In the window opening and closing apparatus according to the third aspect, the idle clearance of the idle swing mechanism is constituted by an idle clearance provided between the action portion of the lever and the action portion of the rotating arm. This configuration has the advantage that the structure of the link mechanism is simple and easy to assemble.
The window opening and closing device according to a fourth aspect is characterized in that the idle swing mechanism includes a play gap of a key arm provided between a stopper provided on the window frame and a lock mechanism. In this configuration, since the idle swing mechanism is formed by effectively using the key arm and the lock mechanism, the configuration can be simplified.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 shows a window opening / closing device 1 of the present invention, which opens and closes a shoji 2 that is swingably attached to a window frame 10. The window opening / closing device 1 includes an operating means 3 for operating opening / closing of the shoji 2 and a link mechanism 4 fixed at the center position of the lower frame member 12 of the window frame 10.
[0015]
In this embodiment, the shoji 2 is swingably opened / closed so that the upper edge 21 is pivotably mounted with the upper lateral member 11 of the window frame 10 as a fulcrum, and the lower edge 22 of the shoji 2 projects outward (the back side in the figure). It is a ceremony window. The shoji 2 may be a swinging open / close type window whose lower edge 22 is rotatably attached to the window frame 10, or may be a sliding-out type window in which the fulcrum of the shoji 2 is displaced up and down.
[0016]
The operation means 3 includes a wire 31 routed in the link mechanism 4 and a winding means 32 for the wire 31. The winding means 32 has a handle box 33 installed on the lower right wall of the window frame 10. The handle box 33 includes a pulley that winds the wire 31 and a ratchet mechanism (none of which is shown) that locks the return rotation of the pulley. A wire take-up handle 34 and a ratchet release button 35 are provided on the front surface of the handle box 33.
[0017]
The link mechanism 4 is attached to the upper surface of the horizontal plate portion 42 of the bracket 41 made of an angle member fixed at the center position of the lower frame member 12. A support shaft 43 is vertically fixed substantially at the center of the horizontal plate portion 42, and a first pulley 44 is installed in parallel with the support shaft 43 on the winding means 32 side (the right side in the figure). A second pulley 45, a lever 5 that is a biasing member, and an arm 6 that is biased by the lever 5 are all attached to the support shaft 43 in order from below.
[0018]
As for the lever 5, the base 51 is pivotally supported by the spindle 43, and the 3rd pulley 52 is attached to the front-end | tip part. The third pulley 52 is located above the first pulley 44 and the second pulley 45 as shown in FIG. A return spring 53 made of a coil spring is mounted on the side of the tip of the lever 5, and the lever 5 is urged in the counterclockwise direction (arrow direction) shown in FIG. The wire 31 is routed from the lower side of the first pulley 44 on the upper side of the third pulley 52 to the lower side of the second pulley 45 and has an inverted V shape. It is fixed (see FIG. 3).
[0019]
Further, a pair of left and right link mechanisms 4 may be attached to one shoji 2 to improve the stability of swinging and fully closing of the shoji 2. Further, a plurality of link mechanisms 4 attached to the plurality of shojis 2 may be operated by one winding means 32. In these cases, the tip of the wire 31 is routed to the next link mechanism 4 and the tip is fixed to the window frame 10 or the like.
[0020]
The arm 6 includes a rotating arm 62 having a base 61 rotatably attached to a support shaft 43, and a torsion arm 64 connected to the tip of the rotating arm 62 via a ball joint 63. The torsion arm 64 is connected to the bracket 23 of the shoji 2 through a ball joint 65. Since both ends of the torsion arm 64 are connected by the ball joint 63 and the ball joint 65, the torsional motion is performed to interlock the swinging of the lower edge 22 of the shoji 2 and the rotation of the rotating arm 62.
[0021]
The base 51 of the lever 5 and the base 61 of the rotating arm 62 are connected by an annular clutch 70 provided on the joint surface. The clutch 70 includes fan-shaped tooth portions 72 and 72 having a central angle 60 degrees wide provided on the upper surface of the base 51 of the lever 5 and a central angle provided symmetrically on the lower surface of the base 61 of the rotating arm 62. It consists of fan-shaped gaps 73 and 73 having a width of 120 degrees. The idle swing mechanism 7 includes play gaps 71 and 71 having a central angle of 60 degrees between the fan-shaped gaps 73 and 73 and the fan-shaped tooth portions 72 and 72.
[0022]
In the window opening and closing device 1, the wire 31 is wound around the winding means 32 when the shoji 2 is fully closed, and the lever 5 is set to the rightmost rotation position by the tension of the wire 31 as shown in FIG. 3. Has been. In the clutch 70, the fan-shaped tooth portions 72, 72 are in contact with the right ends of the fan-shaped gaps 73, 73 to urge the rotating arm 62 in the clockwise direction. The return spring 53 biases the lever 5 in the counterclockwise direction.
[0023]
When the ratchet release button 35 is pressed in this state, the lever 5 is rotated counterclockwise by the spring load of the return spring 53, and the wire 31 is pulled out from the handle box 33. As a result, the fan-shaped tooth portions 72 and 72 rotate to rotate the lever 62 to the open position shown in FIG. 4 and the shoji 2 is opened. In the state shown in FIG. 4, the shoji 2 can freely swing within a range (between the play gaps 71) where the fan-shaped tooth portions 72, 72 abut against the left and right ends of the fan-like gaps 73, 73 due to changes in wind pressure.
[0024]
When the wire 31 is wound by turning the wire winding handle 34 of the winding means 32, the lever 5 rotates clockwise, returning from the open position shown in FIG. 4 to the fully closed position shown in FIG. 3, and the shoji 2 is closed. Window. As in this embodiment, the window opening and closing device 1 can automatically adjust the inclination angle of the shoji 2 by wind pressure or the like, and is effective for the purpose of maintaining a constant ventilation function as a ventilation window.
[0025]
FIG. 5 shows a second embodiment. In this embodiment, a torsion spring 56 is installed at the base of the support shaft 43, and the second pulley 45 is installed on the side of the first pulley 44. The lever 5 is provided with an action pin (action part) 55, and the idle gap 67 between the action pin 55 and the action part 66 of the rotating arm 62 is used as the idle swing mechanism 7. This configuration also has the same operations and effects as described above.
[0026]
6 to 9 show a third embodiment. In this embodiment, the lock mechanism 8 is provided between the bracket 41 fixed to the window frame 10 and the bracket 23 fixed to the shoji 2. The lock mechanism 8 is turned on (locked) and turned off (unlocked) by a key arm 57 protruding from the lever 5 that is a biasing member. The lock mechanism 8 includes a seesaw 80 as a locking means attached to the upper surface of the horizontal plate portion 42 of the bracket 41 and a square hole 24 as a locked portion opened in the bracket 23.
[0027]
The seesaw 80 includes a substantially square-shaped house 81 fixed to the upper surface of the horizontal plate portion 42, a seesaw shaft 82 that is horizontally supported on the left and right side walls of the house 81, and is arranged in parallel with the shoji 2, and a seesaw shaft And a seesaw plate 83 attached to 82. The seesaw plate 83 has a locking claw 84 protruding from the upper surface of the front end that is on the side of the shoji 2 and an inclined surface 85 provided at the rear end on which the key arm 57 slides. On the right side wall of the house 81, a key engagement groove 87 is formed that has a taper-shaped guide portion 86 that opens rearward.
[0028]
The key arm 57 is provided about 150 degrees apart from the third pulley 52 in the lever 5 , and rotates between the key engagement groove 87 and a stopper 58 formed of a pin fixed to the upper surface of the horizontal plate portion 42. Move. An action pin 55 is fixed to the upper surface of the central portion of the lever 5 . From the state in which impaired child 2 is opened, the sliding door 2 indicated by a solid line tensioning the wire 31 so that the closed in FIG. 6, the lever 5 is rotated in the clockwise direction, the operating pin 55 is in contact with the arm 6 Then stop. At the same time, as shown by a two-dot chain line in FIG. 6, the lever 5 rotates and the key arm 57 slides on the inclined surface 85 to rotate the seesaw plate 83, and as shown in FIG. Is engaged with the square hole 24, and the lock mechanism 8 is turned on.
[0029]
Thereby, since the lock mechanism 8 holds the fully closed state of the shoji 2, the load applied to the operation means 3 and the wire 31 can be reduced, and durability and safety can be improved. When the wire 31 is loosened from the on state of the lock mechanism 8 shown in FIG. 9A, the lever 5 is rotated by the action of the return spring 53 as shown in FIGS. The arm 57 is disengaged from the key engagement groove 87 and the lock mechanism 8 is turned off.
[0030]
In this embodiment, the idle swing mechanism 7 is in a state in which the key pin 57 of the lever 5 is not engaged with the key engagement groove 87 ((b) in FIG. 9) until the action pin 55 of the lever 5 contacts the arm 6. The shoji 2 can freely change the degree of fenestration by changing the wind pressure such as the strength of the wind.
[Brief description of the drawings]
FIG. 1 is a front view of a swing window having a window opening / closing device.
FIG. 2 is an enlarged view of a main part of FIG.
FIG. 3 is a plan view of a link mechanism.
FIG. 4 is a plan view of the link mechanism during operation.
FIG. 5 is a perspective view of a link mechanism of a second embodiment.
FIG. 6 is a plan view of a link mechanism of a third embodiment.
FIG. 7 is a front view of a link mechanism of a third embodiment.
FIG. 8 is a side view of a link mechanism of a third embodiment.
FIG. 9 is a side view of the lock mechanism.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Window opening and closing apparatus 10 Window frame 12 Lower frame member 2 Shoji 22 Lower edge 24 Square hole (locked part)
3 Operating means 31 Wire 4 Link mechanism 43 Support shaft 5 Lever (biasing member)
57 Key arm 6 Arm 61 Base 62 Rotating arm 63 Ball joint 64 Torsion arm 65 Ball joint 7 Empty swing mechanism 70 Clutch 71 Play gap 8 Lock mechanism 80 Seesaw 83 Seesaw plate 84 Locking claw 85 Inclined surface

Claims (4)

A swinging open / close type or sliding type shoji
Operating means for opening and closing the shoji,
A link mechanism operated by the operation means to open and close the shoji,
Ri Do from the whiff mechanism to allow free movement of the sliding door,
Before SL operating means comprises winding mechanism of the installation by wire and the wire to the link mechanism,
The link mechanism includes an urging member that is moved by the wire and a return spring, a rotating arm that is urged by the urging member to rotate around a support shaft, and the rotating arm and the shoji. Consists of a torsion arm connected via a ball joint,
The air shot mechanism, Ri Do from play gap provided between the times Doude and the biasing member,
In the window opening and closing device that is a lever that rotates around the support shaft, the biasing member,
A locking mechanism provided between the shoji and the window frame;
A key that rotates in conjunction with the urging member and turns the lock mechanism on and off is attached,
When the urging member rotates to a position where the shoji is fully closed, the key turns on the lock mechanism to fix the shoji to the window frame, and the urging member rotates to the side that opens the shoji. When moved, the key turns off the locking mechanism,
The key is a key arm formed integrally with the biasing member,
The locking mechanism is installed on the window frame, and has a locking claw at the front end and a seesaw provided with an inclined surface on which the key arm slides at the rear end, and is engaged with the locking claw provided on the shoji. A window opening and closing device characterized by being a latch composed of a locked portion . The window opening and closing device according to claim 1,
The lever supporting shaft is the same as the rotating arm supporting shaft, and the play gap is provided in a clutch connecting the base of the lever and the base of the rotating arm. Switchgear. The window opening and closing device according to claim 1 ,
The window opening and closing device characterized in that the play gap is provided between the action portion of the lever and the action portion of the rotating arm . In the window opening and closing apparatus of any one of Claims 1-3 ,
The window opening / closing apparatus according to claim 1, wherein the idle swing mechanism includes a play gap of the key arm provided between a stopper provided on the window frame and the lock mechanism .

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