JP2007063901A - Natural ventilating window - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a natural ventilating window capable of smoothly and suitably carrying out the opening and closing of a sliding door. <P>SOLUTION: The natural ventilating window connects the sliding door 3 suspended and supported on a window frame 2 to a balancer 51 installed at the jamb 23 side of the window frame 2 with a connecting arm 53 to make the inclined opening of the sliding door 3 draw the sliding door 3 by raising the balancer 51 by an operator's operation, and the natural ventilating window 1 capable of being locked in conjugation between a sill 22 of the window frame 2 and a bottom rail 32 of the sliding door 3, on the other hand, both up-and-down guide rollers 522 are installed at the back of the balancer 51, the guide rollers 522 are held by a guide rail 521 having a C-shaped cross section installed at the jamb 23 to make the balancer 51 go straight ahead, rise and fall along the jamb 23. The oscillation of the balancer 51 is prevented to enable interlocking with opening and closing, and locking in accordance with wind pressure of the sliding door 3 to be smoothly carried out. <P>COPYRIGHT: (C)2007,JPO&INPIT

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 has a shoji that is suspended and supported on the top frame of the window frame, a balancer that is vertically movable on the vertical frame of the window frame, A normal arm that is provided with a saddle and a connecting arm that is pivotally supported on the prospective surface of the balancer and arranged between the end portions in the longitudinal direction so that the shoji is inclined and opened according to the wind pressure resistance received by the shoji. Two applications have been filed that can be controlled to open and close in a swinging direction. In this case, the balancer is composed of, for example, a balancer bracket and a balancer plate for weight adjustment, and the balancer bracket is arranged along the vertical frame so that the balancer balances with the shoji when the normal inclination is opened. The number of balancer plates adjusted in accordance with the balancer plate is fixed, and a connecting arm for connecting to the above-mentioned shoji is pivotally fixed below the balancer plate of the balancer bracket, for example, via an arm bracket. Since natural ventilation windows are generally installed at heights on the wall surface, for example, it is necessary to lock the balancer or shoji by using interlocking means that are operated by operator operation. In the example of the preceding application of the above two cases, the pulling is performed by providing a latch projecting from the shovel of the shoji toward the indoor side and fixing one end to the operator by a pulley device installed at the upper end of the vertical frame, for example. By pulling up the pulling wire that can be freely moved and forcibly raising the lifting pin, the above-mentioned latch is pushed up and rotated by the lifting pin to pull the shoji to the window frame side and connect the balancer connected by the connecting arm along the vertical frame. While being raised, the locking device installed in the middle of the pulling wire and interlocked with the push-up rotation of the latch is operated in conjunction with the locking mechanism. That. Further, in the examples of the subsequent applications of the two cases, for example, the engagement support portion is provided toward the balancer side on the elevating member that is moved up and down by, for example, the pulley device without providing the latch so as to eliminate the appearance defect in which the latch is exposed. On the other hand, a to-be-engaged part that contacts the above-mentioned engaging support part is projected at the upper end of the balancer, in particular, the balancer bracket toward the lifting member side, and one end is fixed to the operator in the same manner as above. Wind up a free tension wire to raise the elevating member along the vertical frame, force the balancer directly upward by contact engagement of its engaging support part and engaged part, and push the shoji through the connecting arm. The locking device is also operated in conjunction with the lock while pulling it toward the window frame, and the locking is performed.

Japanese Patent Application No. 2004-228187 Japanese Patent Application No. 2005-253263

  In these cases, the connecting arm is pivotably connected between the shovel of the shoji and the balancer's prospective surface that moves up and down along the vertical frame. For example, when the shoji is subjected to wind pressure resistance during strong winds of about several m / sec and the shoji rotates in the closing direction, the connecting arm pushes up the balancer located at the lowermost position when the slope is open, and the open / close control according to wind pressure resistance However, the balancer is always placed in a state where it is raised and lowered according to the wind pressure, and the balancer is also placed in a state where it is raised and lowered even when locked by an operator operation repeated on a daily basis. However, even if the balancer moves up and down along the vertical frame, the fixed position of the connecting arm is the prospective surface of the balancer, and generally it is the lower position. Attempting to forcibly raise the balancer in conjunction with the locking device does not always move straight up and down smoothly along the vertical frame, and the balancer may tend to swing back and forth. Since the arm rotation is obstructed and the smooth ascending cannot be performed, the open / close control according to the wind pressure resistance and the interlocking of the lock may be hindered. In some cases, the balancer interferes with the vertical frame and rubs. It may cause noise and cause product defects.

  SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and the problem to be solved is to ensure that the balancer smoothly moves straight up and down, solves the problems associated with the balancer swinging, and controls opening and closing. It is in providing the natural ventilation window which can ensure the interlocking | linkage of this easily and reliably.

  In accordance with the above-described problems, the present invention provides a lifting guide by arranging a guide rail as a lifting guide and a slider held by the guide rail between the balancer and the vertical frame while maintaining the configuration and function of the natural ventilation window. By guiding the balancer ascending and descending in the straight direction, the balancer prevents the balancer from swinging back and forth and from side to side, enabling smooth straight advancement, and simple and reliable interlocking of the open / close control and locking. In other words, the invention according to claim 1 is arranged so that it can be opened and closed on the upper frame of the window frame, and the vertical frame of the window frame can be moved up and down. According to the wind pressure resistance received by the shoji, comprising a balancer, a vertical shaft of the shoji, and a connecting arm disposed between the prospective surface of the balancer with the longitudinal end pivotally supported by each pivot The A natural ventilation window in which the child can be controlled to be opened and closed in a swinging direction from the normal state of opening to the inclination. A guide rail is disposed on one of the vertical frame and the balancer, and a slider is disposed on the other. It is a natural ventilation window characterized in that the balancer can freely move straight up and down by a lifting guide held in the box.

  In addition to the above, the invention described in claim 2 can reduce the frictional resistance accompanying the raising and lowering guides of the guide rail and the balancer as much as possible, and can open and close the shoji by raising and lowering the balancer as smoothly as possible. 2. The natural structure according to claim 1, wherein the guide roller is a guide roller that can freely roll on the slider guide rail, and a plurality of the guide rollers are arranged in the vertical direction with respect to the guide rail. It is a ventilation window.

  The present invention is a means for solving the above problems as the gist of the invention.

  Since the present invention is configured as described above, the invention according to claim 1 is characterized in that the guide rail and the guide rail are provided as a lifting guide between the balancer and the vertical frame while maintaining the configuration and function of the natural ventilation window. By placing a slider that is held and guiding the lift of the balancer in the straight direction by the lift guide, the swing, that is, the balancer's back-and-forth and left-and-right swing is prevented, enabling smooth straight advance and lift. The natural ventilation window which can ensure the interlocking | locking interlock | locking simply and reliably can be provided.

  In addition to the above, the invention described in claim 2 can reduce the frictional resistance accompanying the raising and lowering guides of the guide rail and the balancer as much as possible, and can open and close the shoji by raising and lowering the balancer as smoothly as possible. It can be.

  Hereinafter, the present invention will be described in more detail with reference to the example of the drawings. In the figure, reference numeral 1 denotes a natural ventilation window installed, for example, above the wall surface, and the natural ventilation window 1 is an upper frame 21 of the window frame 2. For example, the shoji 3 is suspended and opened in a windless state at a wind speed of about 2 to 3 m / sec. By receiving, the shoji 3 is automatically closed, and when the strong wind is subsided and the wind pressure resistance disappears, it returns to the normal state of the slope opening again to perform natural ventilation.

  The natural ventilation window 1 is provided with a balancer 51 that can be moved up and down in the vertical frame 23 of the window frame 2 together with the above-mentioned shoji 3, and a vertical end 33 of the above-mentioned shoji 3 and the expected surface of the balancer 51, respectively. And a connecting arm 53 that is pivotally supported and arranged between them, and according to the wind pressure resistance received by the shoji 3, the shoji 3 is controlled to be opened and closed in a swinging direction from the normal state of opening to the closing direction. At this time, a guide rail 521 is disposed on one of the vertical frame 23 and the balancer 51 and a slider 522 is disposed on the other, and the balancer 51 is moved straight by a lift guide 52 that holds the slider 522 on the guide rail 521. You can move up and down freely.

  That is, in the natural ventilation window 1 of this example, the above-mentioned shoji 3 is the same between the upper frame 21 of the window frame 2 and the upper eaves 31, for example, the shaft formed in alignment with the upper frame 21 and the upper eaves 31 of the shoji 3 The integrally formed bearing is suspended by a hinge 4 rotatably supported by a fitting shaft so as to be freely opened and closed. At this time, the natural ventilation window 1 is connected to the balancer 51. The opening / closing control means 5 for controlling the opening and closing of the shoji 3 by the arm 53, the shoji locking means 6 for locking the shoji 3 at night, and the operator operation (not shown) installed at a reachable position pulls the shoji 3 in the closing direction. In addition, the opening / closing control means 5 and the shoji locking means 6 are interlocked with the interlocking means 7 so as to lock the shoji 3.

  In the opening / closing control means 5 of the present example, the balancer 51 is disposed on the vertical frame 22 of the window frame 2 so as to be vertically movable, and the connecting arm 53 is connected to the balancer 51 and the vertical rod 33 of the shoji 3. Each of the end portions in the longitudinal direction is pivotally supported.

  The balancer 51 is formed by a balancer bracket 511 arranged along a vertical frame and a balancer plate 512 fixed to the balancer bracket 511 so as to be laminated in an appropriate number. The balancer bracket 511 is arranged along the vertical frame 23, The weight can be adjusted by increasing or decreasing the number of balancer plates 511.

  The balancer 51 is moved up and down along the vertical frame 23 by the lift guide 52. At this time, the balancer 51 is in the lift guide 52 of this example, and the guide rail 521 is moved to the vertical frame 3 and the slider. 522 is arranged on the balancer 51, and the slider of this example is used as a guide roller that can roll on the guide rail 521, and a plurality of the guide rollers are arranged on the guide rail 521 in the vertical direction. As a thing.

  In this example, the guide rail 521 disposed in the vertical frame 23 is made of, for example, an aluminum extruded shape extruded separately from the vertical frame 23 and includes a rail groove having a C-shaped cross section and a vertical frame fixing piece. The guide rail 521 is formed by connecting the rail groove to a connecting arm by screwing the vertical frame fixing piece and the bottom wall of the rail groove, for example, on the surface of the vertical frame 23 facing the vertical rod 33 of the shoji 3. The guide rail 521 is arranged so as to open to the 53 side and be fixed vertically so as to be vertically positioned. At this time, the guide rail 521 is slightly longer than the balancer 51 in accordance with the ascending / descending length. It is formed.

  On the other hand, the slider, in this example, the guide roller 522 has a plurality of, in particular, upper and lower, in the vertical direction which forms the longitudinal direction on the back surface of the balancer 51, particularly the balancer bracket 511 positioned on the vertical frame 23 side, that is, on the vertical frame 23 side. Two pairs are arranged so as to form a pair, and in the arrangement, two through holes are provided at corresponding positions of the balancer bracket 511, and the rotation shaft of the guide roller is inserted into the through holes from the surface, that is, from the connecting arm 53 side. Each nut is screwed and fixed to a male screw carved at the tip of the rotating shaft. At this time, the balancer bracket 511 is arranged below the position where the balancer plate 512 is installed so as not to come into contact with the balancer plate 512, and the balancer bracket 511 and the rail of the guide rail 521 are arranged in parallel. The balancer bracket 511 is arranged at the front and back positions of the balancer bracket 511 so as to overlap the groove.

  The guide roller 522 of the slider has, for example, a front circular shape so that the outer periphery is substantially the same shape as the groove wall of the rail groove of the guide rail 521 and has a slightly smaller circular arc surface. Is inserted into the guide groove from the longitudinal end portion of the guide rail 521, for example, so that the guide roller 522 does not swing or escape from the guide rail 521 so that the guide rail 521 guides the guide rail 521 in the vertical direction. In order to be able to roll, the above-mentioned swing prevention is held, and thereby the balancer 51, particularly the balancer bracket 511, is guided through the guide roller 522 so as to move up and down straightly in a vertical and reliable manner. It is as. At this time, in this example, the balancer 51 is provided with a stopper 513 having an L-shaped cross section, for example, at the lower end of the guide rail 521, and the lowering position of the balancer 51, particularly the balancer bracket 511, is determined by the stopper 513. The balancer 51 is prevented from falling off from the guide rail 521.

  The connecting arm 53 is pivotally supported at both ends between the vertical rod 33 of the shoji 3 and the slider 51 in this example and the balancer 51 holding the guide roller 522 by this guide rail 521. In this case, when the balancer 51 is lifted up to the uppermost end, the shaft support of the connecting arm 53 has a length that fits vertically in the vertical frame 23 when the balancer 51 is pulled up and parallel to the balancer 51. It is as having. In this example, the connecting arm 53 is provided with shaft support holes at both ends in the longitudinal direction, and has a length for connecting the shoji 3 and the balancer 51, particularly the balancer bracket 511, in a normal state where the shoji 3 is inclined open. At this time, the connecting arm 53 is connected to the lower end of the prospective surface of the shovel 3 with respect to the vertical rod 33 arranged so as to protrude into the interior of the shoji 3 and fit in the window frame 2 via the arm bracket 531. In the balancer 51, in particular, a shaft fixed to the lower end of the prospective surface of the balancer bracket 511 through the arm bracket 531 so as to protrude horizontally from the arm bracket 531 is inserted into the shaft support hole. Similarly, a rotatable shaft is supported by screwing a nut onto a male screw engraved at the tip of the shaft.

  Therefore, in this example, when the shoji 3 is subjected to wind pressure resistance, the connecting arm 53 acts to push up the balancer 51, particularly the lower end of the balancer bracket 51, and the pushed balancer bracket 511, The balancer 51 can smoothly move straight up and down by the elevating guide 52 without swinging back and forth and left and right while the slider 522, especially the guide roller, is held on the guide rail 521 disposed in the vertical frame 23. When the shoji 3 is smoothly closed in accordance with the wind pressure resistance against the wind pressure resistance and the wind pressure resistance disappears or decreases, the balancer 51 also stops the stopper 513 by its own weight while the slider 522, that is, the guide roller is held by the guide rail 521. By going straight down to the position smoothly Via imaging arm 53 is as for returning the shoji 3 to normal tilt open.

  Thus, the opening / closing control means 5 of the balancer 51 guided by the elevating guide 52 and the shoji 3 and the connecting arm 53 disposed between the balancer 51 is further interlocked with the shoji locking means 6 by the interlocking means 7. The opening / closing control means 5 pulls the shoji 3 and the shoji locking means 6 simultaneously locks the shoji 3.

  That is, the shoji locking means 6 includes a slide bar 61 disposed on the lower frame 22 of the window frame 2 so as to be slidable in the longitudinal direction and a hook 62 and a locking pin 63 disposed on the lower arm 32 of the shoji 3 and detachable from each other. In addition, the interlocking means 7 is forcing the balancer 51 of the opening / closing control means 5 by the operator or switch operation, in this example the operator operation, to pull the shoji 3 and the shoji locking means. The sliding bar 61 is forcibly slid to lock the shoji 3.

  The shoji locking means 6 of the present example is configured so that the slide bar 61 can receive the locking pin 63 by a roller bolt so as to reduce the frictional resistance and the lower pin 32 of the shoji 3 can receive the locking pin 63. The hook 62 inclined to the direction is disposed, and the locking pin 63 moves in the lateral direction as the slide bar 61 slides and locks to the hook 62 of the lower rod 32. Unlocking is performed when 63 is released from the hook 62.

  In this example, a damper or a tension spring is arranged between the slide bar 61 and the lower frame 22, and in this example, a gas damper 64 is arranged, and the damper 64 is urged in the unlocking direction to lock the slide bar 61. The damper 64 is installed on the lower frame 22 at a position opposite to the damper bracket 641 on the slide bar 61 side and the hook 62 installed on one end in the longitudinal direction of the slide bar 61. The urging force in the unlocking direction is accumulated by sliding in the locking direction of the slide bar 61 interposed between the damper brackets 641 on the lower frame 22 side, and the sliding bar 61 slides in the unlocking direction by the urging force at the time of unlocking. Then, the locking pin 63 installed on the slide bar 61 escapes from the hook 62 to automatically unlock the shoji locking device 6.

  The interlocking means 7 of this example is an operator or a switch (not shown) installed at a wall surface where the operation of the natural ventilation window installed at a high place on the wall surface can be reached. In this example, the opening / closing control means is operated by the operator's operation. 5 and the shoji locking means 6 are operated in conjunction with each other and the balancer 51 of the opening / closing control means 5 is forcibly raised to draw the shoji 3 in the closing direction, and the slide bar 61 is forcibly slid to the hook 62. Locking of the shoji 3 by locking the locking pin 63 can be performed in stages, and in this example, the interlocking means 7 is arranged above the balancer 51 of the vertical frame 23. A pulley device 71 having a movable pulley 713, and an engagement support portion that pivotally supports the movable pulley 713 of the pulley device 71 and is movable up and down to the vertical frame 23 by the movable pulley 713 and forcibly raises the balancer 51. 21 and an engagement support portion that is positioned above the engagement support portion 721 so as to be always disengaged from the engagement support portion 721 of the elevation member 72 by raising the elevation member 72. An engaged portion 722 disposed on the balancer 51 so as to be able to engage and engage with the 721, and an operator or a switch operation, in this example, it can be drawn by winding up the operator operation, and the tip is a pulley through the moving pulley 713. The pulley 71 is fixed to the device 71 and the middle is fixed to the slide bar 61, and the pulley device 71 and the pulling wire 76 connecting the slide bar 61 are provided. A tension spring or damper interposed between the elevating member 72 and the vertical frame 23, and in this example, the tension spring 73 can be raised and lowered in a downward biased state with respect to the vertical frame 23. A. 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 511 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, the support member 721 of the elevating member 72 is in contact with the balancer 51, and the balancer 51 is directed above the vertical frame 23 by the guide roller and slider 522 of the elevating guide 52 and in this example by the guide roller. They are going to go straight ahead.

  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 lifting guide 75 of the lifting member 72 is provided with a guide rail 751 having a C-shaped cross section on the prospective surface at a position above the vertical frame 23 of the lifting guide 52 in the balancer bracket 511 and a lifting member. Similarly, in the balancer 51, the guide rollers 752 are arranged at a plurality of positions on the back surface of the back surface 72, and the guide rollers 752 are held on the guide rails 751 so that they can be moved straight up and down. The member 72 is surely prevented from swinging, and the frictional resistance caused by the raising / lowering guide of the raising / lowering member 72 is reduced as much as possible, so that the raising / lowering member 72 is raised and the shoji 3 is drawn smoothly. It is supposed to be possible.

  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, so that the balancer 51 is guided by the guide roller and the slider 522 of the lift guide 52 and in this example by the guide roller. While moving forward and forcibly without swinging back and forth and left and right, the connecting arm 53 is rotated to draw the shoji 3 in the closing direction. The locking pin 63 of the slide bar 61 in the shoji locking device 6 is engaged with the hook 62 of the lower collar 32, so that the pulling and locking of the shoji 3 can be completed smoothly and conversely. When the tension wire 76 of the interlocking means 7 is released and the damper 64 slides the slide bar 61 in the reverse direction, the locking pin 63 comes out of the hook 62 of the shoji locking means 6 and the interlocking means 7 When the elevating member 72 is lowered by the dead 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 also connected to the guide rail of the elevating guide 52. In the present example, the slider 522 is moved straight down by the guide roller without swinging back and forth and left and right. Shoji 3 and shoji 3 enables smooth opening and closing control of the opening and closing control means 5 according to the wind resistance of the shoji 3 with the normal of the inclined opening by balance, can exert its function as a natural ventilation window 1.

  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 engagement support portion 721 and the engaged portion 722 caused by the descent failure of the 72 and the possibility of hindering the balancer 51 from moving up and down can be eliminated. The guide roller 752 on the back surface is held and guided by the guide rail 751 installed on the vertical frame 23 to prevent the lifting member 72 from swinging and to reduce the frictional resistance accompanying the lifting and lowering as much as possible. The shoji 3 can be drawn smoothly.

  Although the illustrated example is as described above, the balancer and the connecting arm are used, and as shown in Japanese Patent Application No. 2004-228187 of the above-mentioned Patent Document 1, the shoji is drawn, for example, toward the indoor side of the shoji vertical shaft. For example, the lifting pin is forcibly raised by winding a pulling wire that is fixed at one end to the operator by a pulley device installed at the upper end of the vertical frame and is lifted freely. Locking that is installed in the middle of the pulling wire and interlocked with the push-up turning of the latch while pushing up and turning, pulling the shoji to the window frame side and lifting the balancer connected by the connecting arm along the vertical frame The device is operated in conjunction with the locking mechanism, and the slider is made of a sliding block such as a slidable slide on the guide rail. The sliding block is formed with an inverted T-shaped cross section, and the guide rail is formed with a C-shaped cross section in the same manner as described above, and the sliding block is held with respect to the guide rail. In place of the operator, the interlock means is operated by a switch operation. In the shoji locking device, the hook is disposed on the slide bar and the locking pin is disposed on the lower arm. The urging is performed by a damper or a compression spring instead of the tension spring, and the urging in the unlocking direction of the slide bar is performed by a tension spring or a compression spring instead of the damper. Including natural ventilation window, opening / closing control means, balancer, lifting guide, its guide rail, slider, connecting arm, shoji locking device, Ride bar, hook, locking pin, interlocking means, operator to operate it, switch, pulley device of interlocking means to be used if necessary, lifting member, pulling wire, sliding pulley, arrangement via pulling wire, damper or tension spring, Each specific shape, structure, material, relationship thereof, addition to these, etc., such as the lifting guide can be in various forms as long as it does not contradict the gist of the invention.

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.

Explanation of symbols

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 Dynamic 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 (2)

  A shoji that is suspended and supported on the upper frame of the window frame, a balancer that is vertically movable up and down on the vertical frame of the window frame, and a longitudinal end portion of each of the shovel and the balancer's expected surface. A natural ventilation provided with a linking arm that is movably supported and arranged between them, and according to the wind pressure resistance received by the shoji, the shoji can be controlled to be opened and closed in a swinging direction from the normal state of opening to the closing direction. A natural ventilation, wherein a guide rail is disposed on one of the vertical frame and the balancer, and a slider is disposed on the other, and the balancer can be moved straight up and down by a lifting guide that holds the slider on the guide rail. window. 2. The natural ventilation window according to claim 1, wherein the slider is a guide roller that can roll on a guide rail, and a plurality of the guide rollers are arranged in the vertical direction with respect to the guide rail.

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