JP4879531B2 - Natural ventilation window - Google Patents

Description

  The present invention relates to a natural ventilation window in which indoors and outdoors can be ventilated in a window by attaching a shoji screen that is normally open to the window frame so as to be openable and closable.

  One of the applicants of this kind of natural ventilation window is a natural ventilation window in which a shoji screen is hung and supported on the upper frame of the window frame so that the inclined opening is normal. A balancer that can be moved up and down in the vertical direction, and a longitudinal end of the balancer and a shoji that is pivotally supported by a pivoting arm, and a connecting arm that is placed between them, depending on the wind pressure resistance, from the normal inclination opening to the closing direction Open / close control means for swingably opening and closing the shoji, and a slide bar disposed on the lower frame of the window frame so as to be slidable in the longitudinal direction and a hook and a locking pin which are disposed on the lower arm of the shoji and can be engaged with and disengaged from each other. The shoji locking means provided with the door, and the attracting means for pulling up the shoji to the window frame side by pushing up and down by the raising and lowering of the elevating pin installed on the vertical frame on the vertical arm of the shoji toward the indoor side And by operator or switch operation Interlocking means that operates the pulling means and the shoji locking means in an interlocked manner so as to close the shoji by forcibly raising the lifting pins of the attracting means and forcibly slide the slide bar of the shoji locking means to lock the shoji A structure with the above has been proposed in advance.

Japanese Patent Application No. 2004-228187

  In this case, depending on the wind pressure resistance of the shoji, the shoji is automatically closed temporarily when the wind pressure increases, and the shoji is tilted again when the strong wind pressure is lost. As a result, a natural ventilation window that can precisely control its opening and closing operation can be provided, and the shoji can be easily locked and unlocked by operating an operator or a switch placed within reach. However, on the other hand, there is a merit that it can be installed in a high place where it does not reach. By providing a means for feeding, there is a possibility that the latch installed in the shoji will always be exposed and the appearance of the natural ventilation window will be damaged.

  The present invention has been made in view of the above circumstances, and the problem to be solved is that the above-mentioned shoji is used while ensuring the function of the natural ventilation window such as normal inclination opening, opening / closing operation by wind pressure resistance, and locking and unlocking of the shoji. Therefore, there is provided a natural ventilation window having an appearance as good as possible without exposing a member such as a latch.

  In accordance with the above-mentioned problems, the present invention provides a wind pressure resistance by using an open / close control means in which a balancer that can be moved up and down in a vertical frame of a window frame and a vertical arm of a shoji are connected by a connecting arm. When the shoji is pushed in the closing direction, the connecting arm rotates to push up the balancer, and when the wind pressure resistance decreases, the balancer descends by its own weight and rotates the connecting arm, so that the shoji is tilted and opened normally. The door is opened and closed according to the wind pressure, and the door is locked and unlocked by engaging and disengaging the hook and the locking pin between the slide bar placed on the lower frame of the window frame and the lower arm of the door. While the shoji is locked and unlocked by the locking means, the pulling of shoji by the forced lift of the balancer and the locking by the forced slide of the slide bar are linked by the interlocking means. It is constructed so that the shoji pulling and locking in the pulling state are performed by operating the operator or switch installed on the surface, etc. so that these members are exposed to the surface as much as possible and the appearance is not impaired. In other words, a natural ventilation window in which the invention according to claim 1 is suspended and supported on an upper frame of a window frame so as to be opened in a slanted manner so as to be opened and closed. The balancer is arranged so that it can be moved up and down in the vertical direction, and the longitudinal end of the balancer and the shoji are pivotally supported in a pivotal manner, and the connecting arm arranged between them is closed from the normal inclined opening according to the wind pressure resistance. Opening / closing control means that swingably opens and closes the shoji in the direction, hooks and locks that can be detachably connected to each other by a slide bar that is slidable in the longitudinal direction on the lower frame of the window frame and a lower arm of the shoji Shoji locking hand with a pin And the opening / closing control means and the shoji locking means so as to close the shoji by forcibly raising the balancer of the opening / closing control means by an operator or switch operation and forcibly sliding the slide bar of the shoji locking means to lock the shoji. And a natural ventilation window characterized by comprising interlocking means that operate in conjunction with each other.

  In addition to the above, the invention according to claim 2 is configured such that the interlocking means is provided with a pulley device and a pulling wire, and when the pulling wire is wound up by an operator or a switch operation, the pulley device is lifted up and down supported on the moving pulley. The member comes into contact with the balancer and forcibly raises the balancer, and the slide bar fixed in the middle of the pull wire is forcibly slid to lock the locking pin on the hook to lock the shoji. In order to ensure that the interlocking of the interlocking means operates smoothly and reliably, the above-mentioned interlocking means is provided with a pulley apparatus having a movable pulley disposed above the balancer of the vertical frame, and the movement of the pulley apparatus. An elevating member provided with an engagement support portion that pivotally supports the pulley and is movable up and down in the vertical frame by the movable pulley and forcibly raises the balancer, and the engagement support portion of the elevating member is always on An engaged portion disposed on the balancer so as to engage and engage with the engagement support portion by raising the elevating member positioned above the engagement support portion so as to be engaged, and winding of an operator or switch operation The pulling wire is provided with a pulling wire connecting the pulley device and the slide bar by fixing the tip to the pulley device via the movable pulley and fixing the middle to the slide bar. It is the natural ventilation window described.

  In addition to the above, the invention according to claim 3 is also configured to urge the moving pulley of the pulley device downward by raising and lowering the elevating member in a vertically biased state in the vertical frame. By absorbing the slack that may occur in the pulling wire that raises and lowers the lifting / lowering member, the lifting / lowering member is always lowered to a fixed position. In order to eliminate this possibility, the elevating member can be moved up and down in a downward urging state with respect to the vertical frame by a tension spring or a compression spring interposed between the elevating member and the vertical frame. The natural ventilation window according to claim 2, wherein the natural ventilation window is provided.

  In addition to the above, the invention according to the fourth aspect of the invention further smoothly operates the interlocking means by smoothly changing the direction of the tension wire between the operator or switch side winding drum and the pulley device without resistance. The pull wire is placed on the lower frame with the wire guide, the direction change pulley placed on the lower end of the vertical frame of the balancer, the slide pulley fixed on the slide bar, and the direction change. It is also arranged between the hoisting drum on the operator or switch side and the pulley device via the same direction changing pulley arranged near the top of the pulley, the direction changing pulley at the upper end of the vertical frame, the fixed pulley of the pulley device, and the moving pulley of the pulley device. The natural ventilation window according to claim 2 or 3, wherein the natural ventilation window is provided.

In addition to the above, the invention described in claim 5 performs the forced sliding of the slide bar while urging the slide bar in the unlocking direction. A gas damper is placed between the slide bar and the lower frame so that the locking device can be unwound by unwinding the tension wire , and the gas damper is installed. , A slide bar-side damper bracket installed at one end in the longitudinal direction of the slide bar and a lower frame-side damper bracket installed on the lower frame at a position opposite to the hook bracket. The urging force in the unlocking direction is accumulated by the slide in the locking direction of the bar, and at the time of unlocking, the urging force is accompanied by the sliding of the slide bar in the unlocking direction. The installation was locking pin on the slide bar to escape from the hook is obtained by a natural ventilation window according to claim 4, characterized by comprising to perform automatic unlocking.

  In addition to the above, the invention according to the sixth aspect of the present invention, in addition to the above, guides the balancer and the elevating member by the elevating guide, ensures smooth elevating of the balancer according to the wind pressure resistance, smoothes the opening / closing operation of the shoji, and locks The balancer and the lifting member can be raised and lowered freely by a lifting guide installed between the vertical frame and the balancer so that a smooth forced rise of the balancer by the lifting member can be secured. The natural ventilation window according to claim 2, 3, 4 or 5.

  The present invention uses each of these as the gist of the invention as means for solving the above problems.

  In the present invention, the vertical frame includes a vertical, and the upper frame and the lower frame are used to mean invisible.

  Since the present invention is configured as described above, the invention according to claim 1 is provided by an opening / closing control means in which a balancer that can be moved up and down in a vertical direction and a vertical rod of a shoji are connected by a connecting arm. When the shoji with normal opening is subjected to wind pressure resistance and the shoji is pressed in the closing direction, the connecting arm rotates to push up the balancer, and when the wind pressure resistance decreases, the balancer descends with its own weight and the connecting arm Rotate the door so that the shoji returns to the normal state of opening the slope and opens and closes according to the wind pressure. Also, the hook is placed between the fried bar placed on the lower frame of the window frame and the lower arm of the shoji. The shoji is locked and unlocked by engaging and disengaging the pin, while the shoji is locked and unlocked, while the pulling of the shoji by the forced lift of the balancer and the locking by the forced slide of the slide bar are linked. By interlocking with the steps, it is possible to pull the shoji and lock in the pulling state by operating the operator or switch installed on the wall, etc., and open the normal inclination, opening and closing operation by wind pressure resistance, opening the shoji It is possible to provide a natural ventilation window having an appearance as good as possible without exposing a member such as a latch to the above-mentioned shoji while ensuring the function of the natural ventilation window such as a lock.

  In addition to the above, the invention according to claim 2 is configured such that the interlocking means is provided with a pulley device and a pulling wire, and when the pulling wire is wound up by an operator or a switch operation, the pulley device is lifted up and down supported on the moving pulley. The member comes into contact with the balancer and forcibly raises the balancer, and the slide bar fixed in the middle of the pull wire is forcibly slid to lock the locking pin on the hook to lock the shoji. Thus, the interlocking of the interlocking means can be operated smoothly and reliably.

  In addition to the above, the invention according to claim 3 is also configured to urge the moving pulley of the pulley device downward by raising and lowering the elevating member in a vertically biased state in the vertical frame. By absorbing the slack that may occur in the pulling wire that raises and lowers the lifting / lowering member, the lifting / lowering member is always lowered to a fixed position. Can eliminate the possibility.

  In addition to the above, the invention according to the fourth aspect of the invention further smoothly operates the interlocking means by smoothly changing the direction of the tension wire between the operator or switch side winding drum and the pulley device without resistance. Can be.

  In addition to the above, the invention described in claim 5 performs the forced sliding of the slide bar while urging the slide bar in the unlocking direction. It can act to rewind the tension wire to make the locking device smooth and automatically unlock.

  In addition to the above, the invention according to the sixth aspect of the present invention, in addition to the above, guides the balancer and the elevating member by the elevating guide, ensures smooth elevating of the balancer according to the wind pressure resistance, smoothes the opening / closing operation of the shoji, and locks It is possible to ensure a smooth forced rise of the balancer by the lifting member at the time.

  Hereinafter, the present invention will be described in more detail with reference to the example of the drawings. In FIG. 1, reference numeral 1 denotes a shoji 3 that is hung and supported on an upper frame 21 of a window frame 2 so as to be opened in a slanted manner. The shoji 3 is automatically closed when the shoji 3 is in an open state in a gentle wind state of about 2 to 3 m / sec in a state of wind and a wind speed resistance of 4 to 5 m or higher. In this example, a natural ventilation window is installed at a height of a wall, for example, and the natural ventilation window 1 is opened and closed. The control means 5, the shoji locking means 6, and the interlocking means 7 for operating the opening / closing control means 5 and the shoji locking means 6 in an interlocking manner are provided.

  The shoji 3 is supported so as to be freely opened and closed by, for example, being pivoted through a hinge 4 between the upper frame 21 and the upper collar 31 of the window frame 2. The hinge 4 is made of an aluminum hinge that is rotatably fitted as a pair of a shaft that is integrally formed with the upper frame 21 and a bearing that is also integrally formed with the upper collar 31.

  The opening / closing control means 5 includes a balancer 51 arranged in a vertically movable manner in the vertical frame 22 of the window frame 2, and a longitudinal end portion pivotally supported by the balancer 51 and the vertical rod 33 of the shoji 3. The shoji 3 is swingably controlled to open and close in a closing direction from a normal inclined opening to a closing direction according to wind pressure resistance by a connecting arm 53 disposed therebetween. The shoji locking means 6 is attached to the lower frame 22 of the window frame 2. The slide bar 61 slidably disposed in the longitudinal direction and the hook 62 and the locking pin 63 which are respectively disposed on the lower collar 32 of the shoji 3 and are detachable from each other are provided. Alternatively, in this example, the balancer 51 of the opening / closing control means 5 is forcibly raised by the operator's operation to close the shoji 3 and the slide bar 6 of the shoji locking means 6. The forcing slide there as to lock the shoji 3.

  In this example, the opening / closing control means 5 arranges a balancer 51 on the prospective surface of the vertical frame 23 on one side, for example, and closes the balancer 51 and the open part of the vertical frame 23 on one side of the shoji 3. The connecting arm 53 is arranged between the vertical rod 33 installed so as to protrude toward the indoor side, and the opening / closing control is performed on one side of the shoji 3. Up and down guidance can be made freely by a raising and lowering guide 52 installed on the frame 23.

  That is, the balancer 51 of this example is formed by the balancer bracket 511 and the balancer plate 512 fixed to the balancer bracket 511 so that the number of the balancer bracket 511 is appropriately stacked, and the weight adjustment is performed by increasing or decreasing the number of the balancer plates 511. Thus, the balance with the weight of the shoji 3 is secured through the connecting arm 53, and when there is no wind pressure resistance, the shoji 3 is opened at a predetermined angle, for example, an inclination angle of about 20 degrees, and the normal state of the tilt opening is maintained. I have to do it.

  In this example, the raising / lowering guide 52 for raising and lowering the balancer 51 is constituted by a guide roller 522 and a guide rail 521 for guiding the guide roller 522. For example, between the expectation surface at the middle position of the vertical frame 23 and the balancer bracket 511. The guide rail 521 having a C-shaped cross section is fixed to the balancer, and guide rollers 521 installed at a plurality of upper and lower portions on the back surface of the balancer bracket 511 are rotatably received and engaged so that the balancer bracket 511 can be guided up and down. Thus, the balancer 51 can be reliably prevented from swinging in the left-right or front-rear direction, and the frictional resistance caused by the raising / lowering guide of the balancer 51 can be reduced as much as possible, and transmitted through the connecting arm 53. Depending on the wind pressure resistance of the shoji 3 being used, the balancer 51 can be raised and lowered more smoothly. Yes as opening may be a further smooth, this time balancer 51 is as to determine the opening angle of the shoji 3 to regulate the lowered position by the stopper 513.

  The connecting arm 53 is pivotally fixed at both ends in the longitudinal direction to the balancer 51, in particular, the arm bracket 531 installed at the lower end of the balancer bracket 511 and the side lower end of the vertical rod 33 protruding to the indoor side of the shoji 3. Thus, the balancer 51 and the lower end of the vertical rod 33 are rotatably connected to each other. At this time, the connecting arm 53 is connected to the balancer 51 when the balancer 51 is raised to the uppermost end. The balancer 51 is pulled up to be parallel to the length of the balancer 51 and fit vertically in the vertical frame 23.

  As a result, when the shoji 3 receives wind pressure resistance, the connecting arm 53 fixed to the lower end of the shoji 3 presses the balancer 51 upward. As a result, the balancer 51 is raised along the raising / lowering guide of the raising / lowering guide 52. When the wind pressure resistance is reduced, the balancer 51 is lowered by its own weight. As a result, the connecting arm 53 presses the shoji in the opening direction to open the shoji 3 in an inclined manner.

  In this example, the shoji locking means 6 can receive the latch pin 63 by a roller bolt to the slide bar 61 so as to reduce the frictional resistance, and the latch pin 63 can be received by the lower collar 32 of the shoji 3. A hook 62 that is inclined and opened in the horizontal direction is arranged, and the locking pin 63 moves in the horizontal direction as the slide bar 61 slides and locks to the hook 62 of the lower collar 32 while locking. The pin 63 is unlocked by escaping from the hook 62.

At this time, the slide bar 61 of the shoji locking device 6 is formed in a downward C-shape, and is formed integrally with the lower frame 22 or inserted into a C-shaped guide groove with an upward opening attached later. A gas damper, a tension spring or a compression spring is provided between the slide bar 61 and the lower frame 22 in the present example, and is slidable in the longitudinal direction with respect to the lower frame 22, and a gas damper in the present example. 64, and the damper 64 is placed on the lower frame 22 at a position opposite to the damper bracket 641 on the slide bar 61 side and the hook 62 disposed on one end in the longitudinal direction of the slide bar 61. It is interposed between the installed damper brackets 641 on the lower frame 22 side, and the urging force in the unlocking direction is accumulated by the sliding in the locking direction of the slide bar 61. Slide bars 61 are as locking pin 63 installed in the slide bar 61 to slide unlocking direction to perform automatic unlocking of the sash locking device 6 to escape smoothly from the hook 62.

  In this example, the interlocking means 7 is an operator or switch (not shown) installed at a wall position where the operation of the natural ventilation window installed at a high place on the wall surface can be reached. The opening / closing control means 5 and the shoji locking means 6 operate in conjunction with each other to pull the shoji 3 in the closing direction by forcibly raising the balancer 51 of the opening / closing control means 5 and to slide the slide bar 61 forcibly. Locking of the shoji 3 by locking the locking pin 63 to the hook 62 can be carried out step by step.

  At this time, the interlocking means 7 of the present embodiment supports the pulley device 71 provided with the moving pulley 713 disposed above the balancer 51 of the vertical frame 23 and the moving pulley 713 of the pulley device 71 so as to support the moving pulley. The lifting member 72 includes an engaging support portion 721 that can be moved up and down on the vertical frame 23 by 713 and forcibly raises the balancer 51, and the engaging member 721 of the lifting member 72 is always disengaged. In this example, the engaged portion 722 located on the balancer 51 is positioned above the joint support portion 721 so as to be able to engage and engage the engagement support portion 721 by raising the elevating member 72. Is freely retractable by the operator's operation, and the tip is fixed to the pulley device 71 via the moving pulley 713 and the middle is fixed to the slide bar 61 to connect the pulley device 71 and the slide bar. In this example, the elevating member 72 is provided with a tension spring or a compression interposed between the elevating member 72 and the vertical frame 23. In this example, the spring can be moved up and down in a downward biased state with respect to the vertical frame 23 by a tension spring 73. In this example, the pulling wire 76 includes a wire guide 761 disposed on the lower frame 22, a direction change pulley 762 disposed on the lower end of the vertical frame 22 installed on the balancer 51, and a slide pulley fixed to the slide bar 61. 763, the same direction change pulley 764 disposed in the vicinity of the upper direction of the direction change pulley 762, the direction change pulley 765 at the upper end of the vertical frame 23, the fixed pulley 712 of the pulley device 71, and the movable pulley 713 of the pulley device 71, or the operator or The switch side, in this example, is arranged between the winding drum on the operator side and the pulley device 71, and the lifting member 72 is a lifting guide installed on the vertical frame 23 in the same manner as the balancer 51. 75 can be raised and lowered freely.

  The pulley device 71 fixes the tip end of the tension wire 76 to the end fitting 711 installed at the position above the balancer 51 of the vertical frame 23, in this example, the upper end position of the vertical frame 23, The vertical member 23 is arranged at the upper end position of the vertical frame 23 having the same height as the end fitting 711 and is arranged so as to pass through a fixed pulley 712, and the lifting member 72 can be raised by pulling the pulling wire 76. The engagement support portion 721 of the elevating member 72 is a protrusion for engaging support by a roller, a bent piece, or the like that projects from the lower end of the elevating member 72 toward the balancer 51 side. The engaged portion 722 is a protruding portion for engagement by a bent piece, a roller, or the like, which is similarly projected from the upper end of the balancer bracket toward the lifting member 72 side. Therefore, for example, when the operator lock is released and the tension wire 76 is set free so that the shoji 3 is in an open state, the elevating member 72 is lowered by its own weight of the movable pulley 713, and the engagement support portion 721 is As a result of being positioned below the engaged portion 722 of the balancer 51, the engagement support portion 721 and the engaged portion 722 are always in a non-engaged state, and the balancer 51 also projects the connecting arm 53 toward the shoji 3 side. Similarly, since the balancer 51 does not descend even if it rises due to the wind pressure resistance of the shoji 3 because of its own weight, the lifting member 72 eliminates the possibility of obstructing the raising and lowering of the balancer 51 and pulling. If the elevating member 72 is lifted by pulling the wire 76, the engaged portion 7 of the balancer 51 regardless of the lowest or middle position. 2 engaged the abutment engaging the engaging support portion 721 of the lifting member 72 are to be forced upward toward the balancer 51 to the vertical frame 23 upwardly.

  The tension spring 73 interposed between the elevating member 72 and the vertical frame 23 uses, for example, a coil spring, and is used to support the lower end of the elevating member 72, in this example, the roller, the bent piece, and the like. The spring engaging portion 731 is provided so as to be in parallel with the engaging support portion 721 by the protruding portion of the protrusion, and the spring engaging portion 731 is similarly disposed on the vertical frame 23 at a position below the spring engaging portion 731. The hooks at both ends are hooked and supported between them so as to be interposed therebetween, thereby urging the movable pulley 713 of the pulley device 71 downward and absorbing the slack that may occur in the pulling wire 76. Thus, the elevating member 72 is always lowered to a fixed position, and the interference between the engaging support portion 721 and the engaged portion 722 caused by the lowering failure of the elevating member 72 and the possibility of hampering the balancer 51 elevating by this are eliminated. . At this time, in this example, the elevating member 72 is installed on the vertical frame 23, a stopper 74 for supporting and supporting the elevating member 72 at a fixed position is installed, and the elevating member 72 is moved to the fixed position by the urging force of the tension spring 76. For example, the engagement support portion 721 collides with the balancer 51, particularly the engaged portion 722 of the balancer bracket 511, and the collision sound is generated by preventing the descent beyond the fixed position. It can be prevented from occurring.

  Further, in this example, the raising / lowering guide 75 of the raising / lowering member 72 fixes the guide rail 751 having the same C-shaped cross section to the prospective surface at a position above the vertical frame 23 of the raising / lowering guide 52 in the balancer bracket 511 and the raising / lowering member 72. Similarly, the guide rollers 752 installed at a plurality of upper and lower positions on the back are received and engaged so as to be able to roll. As a result, the lift member 72 is swung in the same manner as the lift guide of the balancer 51. In addition, the frictional resistance generated along with the raising / lowering guide of the elevating member 72 is reduced as much as possible, so that the elevating member 72 can be raised and the shoji 3 can be drawn smoothly.

  The tension wire 76 first passes through the wire guide 761 from the operator side to the pulley device, and the wire guide 761 is an L-shape installed in the lower frame 22 with a through hole formed in the standing piece. It is assumed that the starting position of the tension wire 76 at one end of the lower frame 22 is determined by inserting the tension wire 76 through the through hole of the wire guide 761, and the tension wire 76 passes after the wire guide 761. The direction change pulley 762 which supports the direction of the tension wire 76 at the lower end of the vertical frame 23 where the balancer 51 is installed is supported by the upright piece of the same L-shaped bracket installed in the vertical frame 23 at the other end of the lower frame 22. The direction change pulley 76 is turned 180 degrees and returned again along the longitudinal direction of the lower frame 22. Next, the slide pulley 763 through which the pulling wire 76 passes is supported on the slide bar 61 by pivotally supporting the upright piece of the same L-shaped bracket installed at the end of the slide bar 61 on the direction changing pulley 762 side. In this case, the damper 64 is urged toward the direction change pulley 762 and is forcedly slid, and the direction of the pull wire 76 is changed by 180 degrees and the direction change pulley 762 again. It is aimed at the side. The direction change pulley 764 through which the pulling wire 76 passes next to the slide pulley 763 is supported by the upright piece of the same L-shaped bracket installed near the upper portion of the direction change pulley 762 so that the vertical frame 22 on which the balancer 51 is installed. The direction of the pulling wire 76 passing through the slide pulley 763 is changed by 90 degrees below and directed toward the fixed pulley 712 in the pulley device 71 at the upper end of the vertical frame 23. At this time, the direction change pulley 764 is, for example, vertically The tension wire 76 is arranged in a hooked shape using a pair of wires, and after changing the direction about 130 degrees on one side below, the direction is changed again about 40 degrees on the other side, and the direction is directed upward. The direction change pulley 765 through which the pulling wire 76 passes after the direction change pulley 764 is installed at the upper end of the vertical frame 23. Further, the direction of the pulling wire 76 from the direction change pulley 754 is changed by 90 degrees by pivotally supporting an upright piece of an L-shaped metal fitting at the same height as the fixed pulley 712 of the pulley device 71 to change the direction of the pull wire 76 from the direction change pulley 754 by 90 degrees. It is aimed at.

  In the natural ventilation window 1 of the present example configured as described above, when the operator operates the winding wire 76 of the interlocking means 7 and draws it, the pulling wire 76 moves the slide pulley 763 between them. The slide bar 61 is forcibly slid in the locking direction, the biasing force in the unlocking direction is accumulated in the damper 64, the moving pulley 713 of the pulley device 71 is pulled up to raise the lifting member 72, and the lifting member 72 is engaged. The joint support portion 721 comes into contact engagement with the balancer 51, particularly the engaged portion 722 of the balancer bracket 511, forcibly raises the balancer 51, thereby rotating the connecting arm 53 to draw the shoji 3 in the closing direction. On the other hand, the locking pin 63 of the slide bar 61 in the shoji locking device 6 is locked to the hook 62 of the lower collar 32, and the pulling and locking of the shoji 3 can be completed. On the other hand, when the operator's lock is released and the pulling wire 76 of the interlocking means 7 is released, the slide bar 61 slides in the reverse direction, and the locking pin 63 comes out of the hook 62 of the shoji locking means 6 and the interlocking means. When the lifting / lowering member 72 of the movable body 7 is lowered by the weight of the movable pulley 713, the engagement support portion 721 is disengaged from the engaged portion 722 of the balancer 51, and the balancer 51 of the opening / closing control means 5 is balanced with the shoji 3 When the shoji 3 is in the normal state of opening the slope, the open / close control means 5 according to the wind pressure resistance of the shoji 3 can be controlled, and the function as the natural ventilation window 1 can be exhibited.

  Further, in this example, when the lifting member 72 is lifted and lowered by the tension spring 73, the lifting member 72 is always lowered to a fixed position by absorbing the slack that may occur in the pulling wire 76. The interference between the engaging support portion 721 and the engaged portion 722 caused by the descent failure of the 72 and the possibility of the balancer 51 being hindered from being lifted and lowered can be eliminated. Further, the balancer 51, particularly the balancer bracket 511 and the lifting member 72 can be eliminated. The guide rollers 522 and 752 are arranged on the rear surface of the frame, and are lifted and lowered by the guide rails 521 and 751 installed on the vertical frame 23 to be the lift guides 52 and 75, respectively. This prevents the member 72 from swinging and reduces the frictional resistance caused by its elevation as much as possible. Opening and closing control of the shoji 3 Te and In the lifting member 72 can be performed smoothly with a smooth pull pulling shoji 3 during locking, respectively.

  The illustrated example is as described above. However, the natural ventilation window is electrically operated and the interlocking means is operated by a switch operation instead of the above operator, and the hook is fixed to the slide bar in the shoji locking device. Natural ventilation window, open / close control means, balancer, etc., including placing the pin on the lower arm, and downward biasing of the elevating member by a compression spring instead of the tension spring Connecting arm, shoji locking device, slide bar, hook, locking pin, interlocking means, operator to operate this, switch, pulley device of interlocking means used as necessary, lifting member, tension wire, slide pulley, tension wire Each specific shape, structure, material, relationship between them, addition to these, etc., such as via arrangement, damper, tension spring, lifting guide, etc. It can be of various forms unless contrary to the bright aspect.

It is a longitudinal cross-sectional view which shows the installation state of a natural ventilation window. It is a longitudinal cross-sectional view which shows the state which opened and opened the shoji of the natural ventilation window. It is an expansion cross-sectional view of the vertical frame part of FIG. 2A-A. It is an expansion cross-sectional view of the vertical frame part of FIG. 2B-B. It is an expansion cross-sectional view of the vertical frame part of FIG. 2C-C. FIG. 2 is an enlarged cross-sectional view of a vertical frame portion taken along line 2D-D. It is an expansion cross-sectional view of the vertical frame part of FIG. 2E-E. It is an expansion cross-sectional view of the vertical frame part of FIG. 2F-F. FIG. 2 is an enlarged cross-sectional view of a vertical frame portion taken along line G-G. It is a cross-sectional view which shows the shoji locked state of a natural ventilation window. FIG. 11 is an enlarged vertical cross-sectional view of the horizontal frame portion of FIG. 11H-H. FIG. 11 is an enlarged vertical sectional view of a horizontal frame portion taken along line I-I in FIG. FIG. 11 is an enlarged vertical cross-sectional view of a horizontal frame portion taken along line JJ. FIG. 11 is an enlarged vertical cross-sectional view of the horizontal frame portion of FIG. 11K-K. It is a front view in the indoor side which shows the arrangement | positioning state of a tension | pulling wire.

DESCRIPTION OF SYMBOLS 1 Natural ventilation window 2 Window frame 21 Upper frame 22 Lower frame 23 Vertical frame 3 Shoji 31 Upper rod 32 Lower rod 33 Vertical rod 4 Hinge 5 Opening / closing control means 51 Balancer 511 Balancer bracket 512 Balancer plate 513 Stopper 52 Lifting guide 521 Guide rail 522 Guide roller 53 Connecting arm 531 Arm bracket 6 Shoji locking means 61 Slide bar 62 Hook 63 Locking pin 64 Damper 641 Damper bracket 7 Interlocking means 71 Pulley device 711 End fitting 712 Fixed pulley 713 Moving pulley 72 Lifting member 721 Engagement support portion 722 Engaged portion 73 Tension spring 731 Spring engagement portion 74 Stopper 75 Lift guide 751 Guide rail 752 Guide roller 76 Tension wire 761 Wire guide 762 Direction change pulley 763 Ido pulley 764 direction diverting pulleys 765 direction diverting pulleys

Claims (6)

  A natural ventilation window in which a shoji is supported on the upper frame of the window frame so that it can be opened and closed in a normal manner. The balancer is vertically movable on the vertical frame of the window frame, and the balancer and the shoji An opening / closing control means for swingably opening and closing the shoji in the closing direction from the normal inclination opening according to the wind pressure resistance by means of a connecting arm pivotally supported on the longitudinal end of the rod and disposed between them; A sliding bar arranged on the lower frame of the window frame so as to be slidable in the longitudinal direction, and a shoji locking means arranged on the lower arm of the shoji, which can be engaged with and disengaged from each other. The opening / closing control means and the shoji locking means are configured to forcibly raise the balancer of the control means to close the shoji and to forcibly slide the slide bar of the shoji locking means to lock the shoji. Natural ventilation window, characterized by comprising a linkage means operative in moving.   The above-mentioned interlocking means includes a pulley device having a moving pulley disposed above the balancer of the vertical frame, and a mechanism for supporting the moving pulley of the pulley device so as to be movable up and down to the vertical frame and forcibly raising the balancer. An elevating member provided with a mating support portion, and is positioned above the engagement support portion so as to be constantly disengaged from the engagement support portion of the elevating member, and is brought into contact with the engagement support portion by raising of the elevating member. An engaged portion disposed on the balancer so as to be engageable, and a pulling device which can be drawn by winding of an operator or a switch operation, and the tip is fixed to the pulley device via the moving pulley, and the middle is fixed to the slide bar and the pulley device The natural ventilation window according to claim 1, further comprising a tension wire connected with a slide bar. 3. The natural ventilation window according to claim 2, wherein the elevating member can be raised and lowered in a downwardly biased state with respect to the vertical frame by a tension spring or a compression spring interposed between the elevating member and the vertical frame. .   A wire guide arranged on the lower frame, a direction change pulley arranged at the lower end of the vertical frame of the balancer, a slide pulley fixed to the slide bar, a direction change pulley arranged near the upper direction of the direction change pulley, 4. The apparatus according to claim 2 or 3, characterized in that it is arranged between the operator or switch side winding drum and the pulley device via a direction change pulley at the upper end of the vertical frame, a fixed pulley of the pulley device, and a moving pulley of the pulley device. Natural ventilation window as described. A gas damper is arranged between the slide bar and the lower frame, and the gas damper is placed at a position opposite to the position of the damper bracket on the slide bar installed at one end in the longitudinal direction of the slide bar and the position of the hook. It is interposed between damper brackets on the lower frame side installed in the frame, and the urging force in the unlocking direction is accumulated by sliding in the locking direction of the slide bar, and the sliding bar is slid in the unlocking direction by the urging force when unlocked. The natural ventilation window according to claim 4, wherein the locking pin installed on the slide bar is withdrawn from the hook and automatically unlocked.   6. The natural ventilation window according to claim 2, 3, 4 or 5, wherein the balancer and the elevating member can be vertically guided by an elevating guide installed between the vertical frame and the balancer.

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