JP2018159209A - Ventilator and joinery - Google Patents

Abstract

[Problem] To provide a ventilation device capable of improving ventilation efficiency and a fixture equipped with the ventilation device. [Solution] The ventilation device (10) includes a frame (20) having an opening (22) communicating between the indoors and outdoors, blade members (26) that adjust the amount of air passing through the opening (22) by moving in a direction that opens or closes the opening (22) on the outdoor side of the opening (22), and an outer panel (25) that is supported by the frame (20) on the outdoor side of the blade members (26) and can open or close the opening (22). In this case, the blade members (26) are rotatably supported by the frame (20) and are subjected to a load in the opening direction that moves them toward the outdoor side to open the opening (22). The blade members (26) and the outer panel (25) can each be opened to a rotational position where at least a portion of them protrudes outside the outdoor-facing surface (37) of the frame (20). [Selected Figure] Figure 4

Description

  The present invention relates to a ventilator for ventilating a room and a fitting including the ventilator.

  A ventilation device may be installed together with a window on the outer wall of a building such as a house or a building. The ventilator can ventilate the room without opening the window, and is advantageous in terms of safety and crime prevention.

  For example, Patent Literature 1 discloses a ventilator including an air volume adjusting plate that opens and closes an opening of a frame body and adjusts the air volume into the room. In this configuration, the outer plate cover that covers the outdoor side of the frame body is fixed to the frame body except for the ventilation port communicating with the opening, and the air volume adjusting plate is movable on the indoor side of the outer plate cover.

JP2015-190682A

  As described above, in the configuration of Patent Document 1, the outer plate cover is fixed to the outdoor side of the frame body, and the air volume adjusting plate is movable on the inner side. For this reason, the movable range of the air volume adjusting plate is limited only to the expected dimensions of the frame body, and it is difficult to ensure the ventilation efficiency particularly in a low wind.

  The present invention has been made in view of the above-described problems of the prior art, and an object thereof is to provide a ventilator that can improve ventilation efficiency and a fitting including the ventilator.

  The ventilator according to the present invention has a frame having an opening communicating in the indoor and outdoor directions, and an air volume passing through the opening by moving in a direction to open and close the opening outside the opening. A ventilation device comprising: a blade member to be adjusted; and an outer panel supported on the frame body outside the blade member and capable of opening and closing the opening, wherein the blade member is the frame body or the outer panel. The blade member and the outer panel are each subjected to a load in the opening direction so as to freely rotate and move toward the outdoor side so as to open the opening. It can be opened to a rotational position projecting outward from the outdoor-side finding surface.

  According to such a configuration, the ventilator can open the blade member and the outer panel to a position where the blade member and the outer panel protrude beyond the outdoor-side finding surface during ventilation. For this reason, it is possible to ensure a large opening area of the ventilation port while minimizing the expected width of the ventilation device (frame body). Moreover, the wind (building wind) which flowed along the building outer wall which installed the said ventilation apparatus can be taken in efficiently. As a result, sufficient ventilation performance can be obtained even when there is no wind or light wind, and ventilation efficiency is improved.

  In the ventilation device according to the present invention, the tip of the blade member extends in a direction away from the inner surface of the outer panel toward the indoor side in a state where the blade member is in contact with or close to the outer panel. The structure provided with the wind-receiving surface may be sufficient. Then, the wind pressure can be efficiently received on the wind receiving surface when the blade member is initially movable. As a result, it can be avoided that the blade member is in close contact with the inner surface of the outer panel and cannot receive the wind pressure efficiently, and initial movement is less likely to occur.

  In the ventilation device according to the present invention, the wind receiving surface is a flexible wing member attached to the tip of the blade member, or a wing attached to the tip of the blade member so as to be rotatable. The structure provided in the member may be sufficient. Then, when the blade member is movable, the blade member is deformed or rotated by the wind pressure applied to the wind receiving surface, so that the wind pressure can be received in a direction closer to vertical. As a result, the blade member can receive the wind pressure more efficiently.

  In the ventilator according to the present invention, a ventilation path formed between the inner surface and the opening on the inner surface of the blade member in a state in which the blade member is movable indoors so as to close the opening. The structure which the draining piece which intervenes in protrusion was formed may be sufficient. If it does so, for example, even when it receives wind and rain during ventilation in the ventilation device, it is possible to trap rainwater with a drain piece. As a result, rainwater or the like can be prevented from entering the room.

  The ventilation apparatus which concerns on this invention WHEREIN: The structure which the said blade member and the said outer side panel are each supported by the one side part of the said opening part, and the opening direction with respect to each outdoor may be the same. Then, since the blade member and the outer panel are opened in the same direction from the outer wall surface of the building, for example, the building wind blowing along the outer wall surface can be taken in more efficiently, and the ventilation efficiency is further improved.

  In the ventilator according to the present invention, the inner panel supported by the frame body on the indoor side of the opening and capable of opening and closing the opening, and the opening and closing operation of the outer panel and the opening and closing operation of the inner panel are interlocked. The structure provided with a link mechanism may be sufficient. Then, only by opening the inner panel from the room side, the outer panel and the blade member can be opened to follow the outer panel, thereby facilitating the ventilation operation.

  The joinery according to the present invention includes the ventilator having the above-described configuration and a window connected to at least one vertical frame of the frame. According to such a configuration, the ventilation device and the window can be installed in the building as an integrated joinery, and the appearance quality and construction efficiency are high.

  According to the present invention, ventilation efficiency can be improved.

Drawing 1 is a figure which looked at the fitting provided with the ventilator concerning one embodiment of the present invention from the outdoor side. FIG. 2 is a view of the joinery shown in FIG. 1 viewed from the indoor side. FIG. 3 is a cross-sectional view of the ventilator with the inner panel and the outer panel closed. FIG. 4 is a cross-sectional view of the ventilator with the inner panel and outer panel open. FIG. 5 is a longitudinal sectional view of the ventilation device. FIG. 6 is a front view showing the structure of the self-loading mechanism, FIG. 6 (A) is a view showing a state in which the blade member receives no wind or light wind, and FIG. It is a figure which shows the state which has received the strong wind. FIG. 7 is a cross-sectional view illustrating the operation of the blade member when wind force is applied to the ventilation device, and FIG. 7A is a diagram illustrating a state in which the blade member is subjected to no wind or weak wind. 7B is a view showing a state where the blade member has moved in the closing direction from the state shown in FIG. 7A, and FIG. 7C is a view showing the blade member from the state shown in FIG. 7B. It is a figure which shows the state which moved to the closing direction further.

  DESCRIPTION OF EMBODIMENTS Hereinafter, a ventilating apparatus according to the present invention will be described in detail with reference to the accompanying drawings by giving a preferred embodiment by exemplifying a fitting provided with the apparatus.

  Drawing 1 is a figure which looked at joinery 12 provided with ventilation device 10 concerning one embodiment of the present invention from the outdoor side. FIG. 2 is a view of the joinery 12 shown in FIG. 1 viewed from the indoor side. The ventilation device 10 is a device that is installed in an opening of an outer wall of a building as a fitting 12 connected to a window 14 and takes in outdoor air to ventilate the room.

  As shown in FIGS. 1 and 2, the window 14 is a fitting window including a window frame 16 and a window glass 18 that is fitted into the opening of the window frame 16. The window frame 16 has a configuration in which an upper window frame 16a, a lower window frame 16b, and left and right vertical window frames 16c and 16d are framed four times. Each of the window frames 16a to 16d is an extruded shape of a metal such as aluminum or a resin such as vinyl chloride resin (PVC).

  In this embodiment, the fitting 12 of the structure which connected the window 14 of the fitting kill window and the ventilation apparatus 10 is illustrated. The joinery 12 may have a configuration in which a ventilation device 10 is connected to a window having various configurations such as a sliding window such as a sliding window, a rotating window such as an opening window, and a raising and lowering window, in addition to the fitting window. The joinery 12 may be configured such that the ventilation device 10 and the window 14 are not connected, and are installed independently, for example, with a building outer wall interposed therebetween. Ventilator 10 may be installed alone.

  As shown in FIGS. 1 and 2, the ventilator 10 includes a frame 20, an inner panel 24 and an outer panel 25 that open and close the opening 22 of the frame 20, and an air volume that adjusts the air volume that passes through the opening 22. It is a constant air volume type ventilation device provided with the blade member 26 used as an adjustment valve.

  The frame 20 has a configuration in which an upper frame 20a, a lower frame 20b, and left and right vertical frames 20c and 20d are framed four times. Each of the frames 20a to 20d is an extruded shape of a metal such as aluminum or a resin such as vinyl chloride resin (PVC). The ventilation device 10 constitutes the joinery 12 by connecting and fixing one vertical frame 20 c to one vertical window frame 16 c of the window 14.

  In this application, the prospective direction refers to the indoor / outdoor direction of the fitting 10, that is, the direction from the indoor side to the outdoor side or the opposite direction (the direction indicated by the arrow Z in the figure), and the prospective surface is along the prospective direction. An extended surface. The finding direction is a direction orthogonal to the prospective direction, and in the case of the vertical frames 20c, 20d that are long in the vertical direction, the horizontal direction (direction indicated by the arrow X in the figure) orthogonal to the longitudinal direction is referred to. In the case of the upper frame 20a and the lower frame 20b that are long in the direction, the vertical direction (the direction indicated by the arrow Y in the figure) perpendicular to the longitudinal direction is referred to. The finding surface is a surface along the finding direction. The inner side (inner circumference) of the frame-shaped member refers to, for example, an in-frame portion provided with the opening 22 of the frame body 20. The outside (outer periphery) of the frame-shaped member refers to, for example, a portion outside the frame that is fixed to the building frame of the frame 20.

  FIG. 3 is a cross-sectional view of the ventilator 10 with the inner panel 24 and the outer panel 25 closed. FIG. 4 is a cross-sectional view of the ventilator 10 with the inner panel 24 and the outer panel 25 open. FIG. 5 is a longitudinal sectional view of the ventilation device 10.

  As shown in FIGS. 3 to 5, the opening 22 communicates with the inside and outside of the frame body 20 in the indoor / outdoor direction. The opening 22 constitutes a part of a ventilation path S for ventilating the room by allowing air to flow outside and inside the ventilation device 10. The opening 22 is formed inside a frame-shaped partition wall 28 that protrudes from the inside of the frame body 20.

  The partition wall 28 is a wall member that partitions the ventilation path S that communicates the frame body 20 indoors and outdoors in the indoor and outdoor directions. The ventilation path S is divided into an indoor path S1 and an outdoor path S2 by a partition wall 28, and the openings 22 communicate with each other between the paths S1 and S2. The partition wall 28 includes an upper piece 28a and a lower piece 28b that protrude inward from the inner expected surfaces of the upper frame 20a and the lower frame 20b, and vertical pieces 28c and 28d that protrude inward from the inner expected surfaces of the vertical frames 20c and 20d. It is formed in a frame shape. In the case of the present embodiment, the upper piece 28a is provided on the inner wall member 29a attached to the inner expected surface of the upper frame 20a, and the lower piece 28b is provided on the inner wall member 29b attached to the inner expected surface of the lower frame 20b. The inner wall members 29a and 29b may be integrally formed with the frames 20a and 20b, respectively.

  A screen door 30 is provided in the opening 22. The screen door 30 is mounted and fixed to the inner prospective surfaces of the pieces 28a to 28d. The screen door 30 may be configured to be openable and closable using rails or the like.

  The inner panel 24 is a door that is rotatably supported by one vertical frame 20d on the indoor side of the opening 22. On one side of the inner panel 24, a shaft piece 24a is provided along the vertical direction. On the inner prospective surface of the vertical frame 20d, a hinge piece 32 is provided along the vertical direction at a position on the indoor side of the vertical piece 28d. The shaft piece 24a and the hinge piece 32 become a hinge for turning the inner panel 24 by being freely engaged with each other. The inner panel 24 extends from a fully closed position (see FIG. 3) housed within the expected width of the frame body 20 to a fully opened position (see FIG. 4) projecting indoors from the indoor-side finding surface 33 of the frame body 20. It can be opened and closed.

  The inner panel 24 has a hollow structure portion 24b having a thickness in a prospective direction at a portion corresponding to the opening 22 in a front view. The hollow structure portion 24b is in a state where most of the indoor side path S1 of the ventilation path S is filled at the fully closed position. The upper and lower edges of the hollow structure portion 24b are in contact with the airtight members 34 attached to the pieces 28a and 28b, respectively. Door-contacting pieces 24c are provided on the indoor side in the prospective direction of the upper, lower, left, and right edges of the inner panel 24, respectively. Each door contact piece 24c comes into contact with an airtight material 34 attached to a protruding piece provided on the inner prospective surface of each frame 20a to 20d. As a result, the inner panel 24 has its upper, lower, left and right edges in contact with the respective airtight members 34 in the fully closed position, and airtightness and watertightness are ensured (see FIGS. 3 and 5). A handle 36 for opening / closing operation is attached to the indoor side surface of the inner panel 24.

  The outer panel 25 is a door that is rotatably supported by one vertical frame 20d on the outdoor side of the opening 22. On one side of the outer panel 25, a shaft piece 25a is provided along the vertical direction. A hinge piece 38 is provided on the inner prospective surface of the vertical frame 20d along the vertical direction at a position on the outdoor side of the vertical piece 28d. The shaft piece 25a and the hinge piece 38 become a hinge for rotating the outer panel 25 by being freely engaged with each other. The outer panel 25 extends from a fully closed position (see FIG. 3) housed within the expected width of the frame body 20 to a fully opened position (see FIG. 4) projecting outward from the outdoor side finding surface 37 of the frame body 20. It can be opened and closed.

  The outer panel 25 has a bottomed container structure that is substantially flush with the outdoor-side finding surface 37 of the frame 20 in the fully closed position and is thinner than the inner panel 24. Side walls 25b and 25c that protrude toward the indoor side are provided in the vicinity of the left and right side portions of the inner surface 39 that is the indoor side surface of the outer panel 25, respectively. In the outer panel 25, an open end 25d opposite to the hinge piece 38 side protrudes from the side wall 25b toward the vertical frame 20c. As a result, a blindfold structure is obtained in which the inside of the apparatus is not easily visually recognized from the gap between the outer panel 25 and the vertical frame 20c in the fully closed position (see FIG. 3).

  A draining member 41 that comes into contact with the upper end surface of the outer panel 25 in the fully closed position is provided at the outdoor end of the inner prospective surface of the upper frame 20a. The draining member 41 has a function of sliding on the upper end surface of the outer panel 25 when the outer panel 25 in the open state is closed to the fully closed position, and sweeping rainwater or the like accumulated on the upper end surface to the outside. The draining member 41 also prevents rainwater and the like from entering the outdoor path S2 from the gap between the outer panel 25 and the upper frame 20a in the fully closed position.

  As shown in FIGS. 3 to 5, the opening and closing operations of the inner panel 24 and the outer panel 25 are interlocked by a pair of upper and lower link mechanisms 40. Each link mechanism 40 includes a pair of arm members 42 and 43 and a slider 44. Since each link mechanism 40 has the same structure except for a vertically symmetrical structure, the lower link mechanism 40 will be mainly described below, and the upper link mechanism 40 will be described in detail with the same reference numerals. Is omitted.

  One arm member 42 has one end portion rotatably connected to the inner panel 24 via a rotating shaft 42a and the other end portion rotatably connected to a slider 44 via a rotating shaft 42b. One end of the other arm member 43 is rotatably connected to the outer panel 25 via a rotation shaft 43a, and the other end is rotatably connected to the slider 44 via a rotation shaft 42b common to the arm member 42. ing. The slider 44 is slidably engaged with a rail 46 provided on an inner prospective surface of the lower frame 20b. The rail 46 projects from the lower piece 28b provided on the inner wall member 29b constituting the lower frame 20b on the inner prospective surface on the indoor side. The rail 46 extends in the longitudinal direction of the lower frame 20b. In addition, the rail 46 of the upper link mechanism 40 protrudes from the upper piece 28a provided on the inner wall member 29a constituting the upper frame 20a on the inner expected surface on the indoor side.

  Therefore, in the state where the inner panel 24 and the outer panel 25 are in the fully closed position, the link mechanism 40 is in the sliding position closest to the vertical frame 20d on the hinge side of each panel 24, 25 (FIG. 3). reference). When the handle 36 is grasped from this state and the inner panel 24 is opened to the indoor side, one arm member 42 opens to the indoor side around the rotation shaft 42b on the slider 44 side. Then, the slider 44 is pulled by the arm member 42 and slides from the vertical frame 20d side to the opposite vertical frame 20c side. At this time, the other arm member 43 is pressed by the sliding slider 44 to press the outer panel 25 toward the outdoor side. For this reason, the outer panel 25 also opens in conjunction with the inner panel 24. Finally, as shown in FIG. 4, the slider 44 comes into contact with a stopper 47 provided on the rail 46, and the panels 24 and 25 are fully opened. In this state, since the slider 44 is held by the holding spring 48 provided along with the stopper 47, the fully open state of each panel 24, 25 is maintained.

  On the other hand, when the inner panel 24 is closed toward the side opposite to the opening operation, the slider 44 is detached from the holding spring 48 and is now slid toward the vertical frame 20d, and the outer panel 25 is also closed. Become.

  As shown in FIG. 5, the slider 44 is disposed at a position closer to the indoor side than the upper piece 28a and the lower piece 28b. For this reason, the upper and lower arm members 43 on the outer panel 25 side are respectively inserted through through holes 45 provided in the upper piece 28a and the lower piece 28b. Therefore, by closing the outdoor side of the through hole 45 with the mohair 49, entry of foreign matters such as insects and dust from the through hole 45 to the indoor side is prevented. The entry of foreign matter from the opening 22 into the room is prevented by the screen door 30.

  As shown in FIGS. 3 to 5, the blade member 26 is rotatably supported by one vertical frame 20 d on the outdoor side of the opening 22. The blade member 26 may be supported to be rotatable with respect to the outer panel 25. A shaft member 50 extending in the vertical direction along the vertical frame 20d is provided on one side of the blade member 26. A bearing member 52 is provided on the inner prospective surface of the frame body 20 at a position that is the outdoor side of the vertical piece 28 d and the indoor side of the hinge piece 38. The shaft member 50 is supported so as to be freely rotatable about the axis with respect to the bearing member 52, whereby the blade member 26 is supported so as to be rotatable with respect to the vertical frame 20d. The blade member 26 extends from the fully closed position (see FIG. 3) accommodated in the outdoor path S2 within the expected width of the frame 20 to the fully open position (see FIG. 3). (See FIG. 4). The blade member 26 always receives a load in the opening direction that moves to the outdoor side.

  The blade member 26 has a plate-like shape having a door stop portion 26b, an inclined portion 26c, a main body portion 26d, and a tip end portion 26a in order from the shaft member 50 on the hinge side toward the tip end portion 26a on the open end side. It is a member. The blade member 26 is an extruded shape of a metal such as aluminum or a resin such as vinyl chloride resin (PVC).

  If it demonstrates on the basis of the fully closed position shown in FIG. 3, the door stop part 26b extended along the direction (henceforth "X1 direction") which goes to the vertical frame 20c from the vertical frame 20d in the X direction from the shaft member 50. It is a plate part. The inclined portion 26c is a plate portion that is gradually inclined toward the outdoor side in the X1 direction from a position slightly closer to the base end than the distal end of the door stop portion 26b. The main body portion 26d is a plate portion extending in the X1 direction at a position in contact with or close to the inner surface 39 of the outer panel 25. Two draining pieces 54 project from the inner surface of the main body portion 26d. The distal end portion 26a is a pocket-shaped portion provided at the distal end portion of the main body portion 26d, and a wing member 56 is attached to the distal end portion 26a.

  The blade member 26 forms a ventilation port 62 in a gap between the blade member 56 provided at the tip end portion 26a and the vertical frame 20c. The ventilation port 62 serves as an inflow port for the wind from the outside to the room through the opening 22, and the opening area changes according to the movement of the blade member 26. The ventilation port 62 has the smallest opening area when the blade member 26 is in the fully closed position, and has the largest opening area when the blade member 26 is in the fully opened position. In the case of this embodiment, as is clear from FIG. 3, the fully closed position of the blade member 26 does not completely close the ventilation port 62 (and the opening 22), but a position that minimizes the opening area. It is.

  Each draining piece 54 is provided along the X direction on the inner surface of the main body portion 26d. Each draining piece 54 is a plate portion that is gradually inclined inward in the X1 direction and whose tip is bent in the X1 direction. Each draining piece 54 flows into the outdoor path S2 from the gap between the open end 25d of the outer panel 25 and the vertical frame 20c, and moisture such as rainwater flows to the opening 22 along the inner surface of the blade member 26. It is a member for removing.

  It is good also as a structure which attached the draining blade 58 (refer the dashed-two dotted line in FIG. 3) to the vertical frame 20c (vertical piece 28c). That is, when the draining pieces 54 are alternately arranged with the draining blades 58 at the fully closed position of the blade member 26, a crank-shaped draining path can be formed, and the waterproof performance is further improved. The draining blade 58 has a structure in which, for example, the main body portion 26d of the blade member 26 is substantially inverted, and has a pair of draining pieces 58a arranged alternately with the draining pieces 54.

  The wing member 56 is formed of a rubber material, a resin material, or the like, so that it has flexibility and a certain degree of rigidity. The wing member 56 is disposed so as to be gradually inclined toward the indoor side from the tip end portion 26a toward the X1 direction. That is, the wing member 56 is in a direction away from the inner surface 39 of the outer panel 25 toward the indoor side in a state where the blade member 26 is in contact with or close to the inner surface 39 of the outer panel 25 (see FIGS. 3 and 4). It is extended. Therefore, a gap G is formed between the blade member 56 and the inner surface 39 in a state where the blade member 26 is in contact with or close to the inner surface 39. At that time, the tip of the wing member 56 protrudes more indoors than the expected width (side wall 25b) of the outer panel 25 (see FIG. 3). The surface (outer surface) on the gap G side of the wing member 56 functions as a wind receiving surface 56 a that receives the wind flowing in from the ventilation port 62.

  Next, the self-weight load mechanism 60 that moves the blade member 26 in the opening direction will be described. FIG. 6 is a front view showing the configuration of the self-weight load mechanism 60, FIG. 6A is a view showing a state in which the blade member 26 is receiving no wind or light wind, and FIG. It is a figure which shows the state in which the member 26 is receiving the strong wind.

  As shown in FIG. 6, the self-weight release mechanism 60 includes a shaft member 50 and a bearing member 52.

  The shaft member 50 is provided on one side (the side on the vertical frame 20d side) of the blade member 26 and extends in the vertical direction, and a pair of shafts projecting vertically from the upper and lower openings of the cylinder 50a. Parts 50b and 50b, and a downward end face 50c surrounding the lower shaft part 50b. Each shaft portion 50b has a structure in which a base end portion is fitted and inserted into the cylindrical body 50a and a distal end portion protrudes in the vertical direction, but may be integrated with the cylindrical body 50a. The downward end surface 50c is an inclined surface (tapered surface) that is inclined in the vertical direction with respect to the axial direction of the shaft portion 50b. That is, the downward end surface 50c has a shape obtained by cutting the lower end portion of the cylindrical body 50a in an oblique direction intersecting the axial direction.

  A pair of upper and lower bearing members 52 are provided so as to correspond to the upper and lower shaft portions 50b, 50b. The upper bearing member 52 is a cylindrical body that supports the upper shaft portion 50b so as to freely rotate and move up and down. The lower bearing member 52 is a cylindrical body that supports the lower shaft portion 50b in a freely rotating and elevating manner. The lower bearing member 52 is provided with an upward end surface 52a surrounding the inserted shaft portion 50b. The upward end surface 52a is an inclined surface (tapered surface) that is inclined in the vertical direction with respect to the axial direction of the shaft portion 50b. That is, the upward end surface 52a has a shape obtained by cutting the bearing member 52 in an oblique direction intersecting the axial direction.

  As shown in FIG. 6A, when the wind member or the external force from the outer panel 25 is not applied to the blade member 26, the downward end surface 50c of the shaft member 50 and the upward end surface 52a of the bearing member 52 are in close contact with each other. One cylindrical shape is configured. That is, when no load other than its own weight is applied to the blade member 26, the downward end surface 50c slides down the upward end surface 52a due to the weight of the blade member 26, and the blade member 26 rotates in the opening direction. For this reason, the blade member 26 is in the fully open position shown in FIG.

  When the blade member 26 rotates in the closing direction in response to wind or external force from the outer panel 25 from the state shown in FIG. 6 (A), the downward end surface 50c slides on the upward end surface 52a as shown in FIG. 6 (B). As a result, the blade member 26 rotates in the closing direction. For this reason, when the blade member 26 is in the fully closed position shown in FIG. 3, the blade member 26 is disposed at a position elevated from the fully closed position by the height H in FIG. 6.

  The mechanism for moving the blade member 26 in the opening direction may be other than the self-weight load mechanism 60. For example, a coil spring 64 or a torsion coil spring 66 indicated by a two-dot chain line in FIG. The coil spring 64 is an elastic body that is connected between the blade member 26 and the inner surface 39 of the outer panel 25 and constantly biases the blade member 26 in the opening direction close to the outer panel 25. The torsion coil spring 66 is an elastic body that is extrapolated to the shaft member 50 and constantly urges the blade member 26 in the opening direction.

  Next, the operation of the ventilator 10 will be described. FIG. 7 is a cross-sectional view showing the operation of the blade member 26 when wind force is applied to the ventilator 10, and FIG. 7A shows a state where the blade member 26 receives no wind or light wind. 7B is a diagram illustrating a state in which the blade member 26 has moved in the closing direction from the state illustrated in FIG. 7A, and FIG. 7C is illustrated in FIG. 7B. It is a figure which shows the state which the blade member 26 moved to the closing direction further from the state.

  As shown in FIG. 3, in a state where the inner panel 24 and the outer panel 25 are in the fully closed position, the blade member 26 is pressed in the closing direction by the outer panel 25. Therefore, the blade member 26 is in a position where the downward end surface 50c of the shaft member 50 slides up from the upward end surface 52a of the bearing member 52 against the load in the opening direction due to its own weight (see FIG. 6A).

  In this state, the blade member 26 is in a fully closed position in which the door stop portion 26b is in contact with or close to the vertical piece 28d (see FIG. 3). Even when the blade member 26 is in the fully closed position, a ventilation port 62 having a minimum opening area through which air can flow is secured between the blade member 26 and the vertical piece 28c. However, in this case, the inner panel 24 is in the fully closed position, and the airtight material 34 is in a state where the indoor side of the ventilation path S (opening 22) is completely closed. For this reason, wind, rainwater, etc. do not enter the room.

  Next, when the room is ventilated, the handle 36 is held and the inner panel 24 is opened to the indoor side. Then, the outer panel 25 also opens to the outdoor side via the link mechanism 40, and the pressing force from the outer panel 25 to the blade member 26 is released. For this reason, the blade member 26 opens so as to follow the outer panel 25 that opens by the own weight applied in the opening direction by the own weight load mechanism 60. As shown in FIG. 4, when the inner panel 24 and the outer panel 25 are in the fully opened position, the blade member 26 is also in contact with or close to the inner surface 39 of the outer panel 25, and is fully opened in which further rotation in the opening direction is restricted. Position.

  In this state, the outer panel 25 and the blade member 26 are greatly projected outward (see FIG. 4). For this reason, the opening area of the ventilation port 62 is maximized, and even if there is no wind or weak wind, the air volume from the opening 22 into the room can be secured, and sufficient ventilation performance can be secured.

  When the ventilator 10 receives strong wind in the state shown in FIG. 4, the wind that flows in from the ventilation port 62 strikes the wind receiving surface 56 a of the wing member 56 from the gap G. When the wind pressure received by the entire wind receiving surface 56a exceeds the dead weight in the opening direction of the blade member 26 by the own weight load mechanism 60, the blade member 26 starts to move in the closing direction (an arrow indicated by a two-dot chain line in FIG. 4). reference). When the wind force increases, the blade member 26 gradually moves in the closing direction, the opening area of the ventilation port 62 decreases, and the amount of air flowing into the room is suppressed. As a result, the amount of air flowing into the room passing through the opening 22 is maintained substantially constant regardless of the outdoor wind force, so that ventilation with a constant air volume is possible.

  However, even after the blade member 26 reaches the fully closed position indicated by the two-dot chain line in FIG. However, since the opening area of the ventilation port 62 in this case is very small, the air volume into the room gradually increases, but it is possible to avoid an excessive increase.

  By the way, when the blade member 26 is closed, the wind pressure of the wind W can be smoothly received by the wind receiving surface 56a of the blade member 56 when the blade member 26 is initially moved from the fully opened position (FIG. 7A). )reference). For this reason, it can avoid that the blade | wing member 26 closely_contact | adheres to the outer side panel 25 over a full length, the wind force required for initial stage movement becomes excessive, and initial stage movement of the wing | blade member 26 becomes smooth. That is, in the state of FIG. 7A, since the blade member 26 faces substantially the same direction as the direction of the wind W, the rotation operation by the shaft member 50 is difficult to start. Startup is possible. Instead of the wing member 56, the tip end portion 26a of the blade member 26, which is a shape member, may be provided with the same shape as the wing member 56 (wind receiving surface 56a). Further, the wing member 56 may have a structure in which the root is pivotally supported by the tip end portion 26a of the wing member 26. In this case, the wing member 56 does not necessarily have flexibility.

  In the present embodiment, the wing member 56 has flexibility. For this reason, the wing member 56 is deformed so as to swing its head toward the indoor side by the wind pressure applied to the wind receiving surface 56a (see FIG. 7B). Thereby, since the wing | blade member 56 can receive the wind pressure of the wind W in the direction near perpendicular | vertical, the initial stage movement of the wing | blade member 26 becomes smoother. As a result, the blade member 26 is smoothly closed by the pressure receiving action of the deformed blade member 56 as shown in FIG. In the case of a structure in which the wing member 56 is pivotally supported on the tip end portion 26a of the wing member 26, the wing member 56 is similar to the configuration example shown in FIGS. 7B to 7C. And the blade member 26 can be smoothly and simultaneously operated.

  As described above, the ventilation device 10 according to the present embodiment moves in the direction of opening and closing the opening 22 on the outdoor side of the opening 22 and the frame body 20 having the opening 22 communicating in the indoor and outdoor directions. The blade member 26 that adjusts the amount of air passing through the opening 22 and the outer panel 25 that is supported by the frame 20 on the outdoor side of the blade member 26 and that can open and close the opening 22 are provided. At this time, the blade member 26 is rotatably supported with respect to the frame body 20 or the outer panel 25 and receives a load in the opening direction that moves to the outdoor side so as to open the opening 22. The blade member 26 and the outer panel 25 can be opened to a rotational position in which at least a part of the blade member 26 and the outer panel 25 protrudes outward from the outdoor-side finding surface 37 of the frame body 20.

  As described above, the ventilation device 10 can open the blade member 26 and the outer panel 25 to a position where the blade member 26 and the outer panel 25 protrude outward from the outdoor-side finding surface 37 during ventilation. For this reason, it is possible to ensure a large opening area of the ventilation port 62 while minimizing the expected width of the ventilation device 10 (frame body 20). Moreover, the wind (building wind) which flowed along the building outer wall which installed the said ventilation apparatus 10 can be taken in efficiently. As a result, sufficient ventilation performance can be obtained even when there is no wind or light wind, and ventilation efficiency is improved. In addition, by providing the blade member 26, when the wind is strong, the blade member 26 is pushed and closed by the wind pressure, and the opening area of the ventilation port 62 is adjusted. For this reason, ventilation can be performed with a desired constant air volume even during strong winds.

  In the ventilation device 10, the tip end portion 26 a of the blade member 26 extends in a direction away from the inner surface 39 of the outer panel 25 toward the indoor side in a state where the blade member 26 is in contact with or close to the outer panel 25. A wind receiving surface 56a is provided. Thereby, the wind pressure can be efficiently received by the wind receiving surface 56a when the blade member 26 is initially movable. As a result, it can be avoided that the blade member 26 is in close contact with the inner surface 39 of the outer panel 25 and cannot receive the wind pressure efficiently, and initial movement is less likely to occur.

  In the ventilation device 10, the wind receiving surface 56 a is a flexible wing member 56 attached to the tip portion 26 a of the wing member 28, or a wing tip that is rotatably attached to the tip portion of the wing member 26. The member 56 is provided. As a result, when the blade member 26 is movable, the blade member 56 is deformed or rotated by the wind pressure applied to the wind receiving surface 56a, and the wind pressure can be received in a more vertical direction. As a result, the blade member 26 can receive the wind pressure more efficiently. Since the wing member 56 has a flexible configuration, when the wing member 26 is unintentionally closed by wind pressure or the like, foreign matter or the like is sandwiched between the wing member 56 and the frame body 20. Thus, it is possible to prevent the blade member 26 and the frame body 20 from being damaged or generating noise.

  In the ventilation device 10, the ventilation path S () formed between the inner surface and the opening portion 22 is formed on the inner surface of the blade member 26 in a state where the blade member 26 is moved indoors so as to close the opening portion 22. A draining piece 54 interposed in the outdoor path S2) is formed to protrude. Thus, for example, rainwater can be trapped by the drain piece 54 even when it receives wind and rain during ventilation in the ventilation device 10. As a result, rainwater or the like can be prevented from entering the room.

  In the ventilation device 10, the blade member 26 and the outer panel 25 are respectively supported by one side of the opening 22, and the opening direction with respect to each outdoor is the same. For this reason, since the blade member 26 and the outer panel 25 are aligned and opened in the same direction from the outer wall surface of the building, for example, the building wind blowing along the outer wall surface can be taken in more efficiently, and the ventilation efficiency is further increased. improves.

  In the ventilation device 10, the blade member 26 is always loaded in the opening direction by its own weight. For this reason, even if the size of the ventilation device 10 such as the height dimension and the width dimension is changed, the size of the blade member 26 is also changed in the same manner, so that the surface area that receives the wind pressure is increased and decreased by its own weight. Increase or decrease. For example, when the height dimension of the blade member 26 is increased, its own weight is increased and its surface area is increased. On the other hand, when the height dimension is decreased, its own weight is decreased and its surface area is also decreased. For this reason, the increase / decrease in load in the opening direction due to its own weight (gravity) is proportional to the increase / decrease in wind force that overcomes this own weight. As a result, regardless of the size of the blade member 26, the opening area of the ventilation port 62 is adjusted to a size corresponding to the outdoor wind force, and the ventilation air volume is maintained constant. Thus, even when the size of the blade member 26 is changed, the load in the opening direction due to the weight of the blade member 26 and the pressure receiving area of the blade member 26 receiving the wind force are in a proportional relationship. For this reason, compared with the conventional structure using an elastic body, the opening / closing operation | movement of the blade member 26 with respect to a wind force becomes smooth, and it is hard to produce the performance difference by an apparatus size. Further, the manufacturing cost and the manufacturing efficiency are improved and the elastic body is not deteriorated as compared with the structure in which the blade member 26 is urged in the opening direction by using the elastic body, so that the durability can be ensured.

  It should be noted that the present invention is not limited to the above-described embodiment, and it is needless to say that the present invention can be freely changed without departing from the gist of the present invention.

  DESCRIPTION OF SYMBOLS 10 Ventilator, 12 Joinery, 14 Window, 16 Window frame, 18 Window glass, 20 Frame body, 20a Upper frame, 20b Lower frame, 20c, 20d Vertical frame, 22 Opening part, 24 Inner panel, 25 Outer panel, 26 Blade Member, 28 partition wall, 30 screen door, 33 indoor side finding surface, 37 outdoor side finding surface, 39 inside surface, 40 link mechanism, 50, 72 shaft member, 50a cylindrical body, 50b shaft portion, 50c downward end surface, 52 bearing member, 52a Upward end surface, 54, 58a Drain piece, 56 Wing member, 56a Wind receiving surface, 60 Self-weight load mechanism, 62 Ventilation port, S Ventilation path

Claims (7)

A frame having an opening communicating in the indoor and outdoor directions, a blade member that adjusts the amount of air passing through the opening by moving in a direction to open and close the opening outside the opening, and the blade A ventilator comprising an outer panel supported by the frame on the outdoor side of the member and capable of opening and closing the opening,
The blade member is rotatably supported with respect to the frame body or the outer panel, and receives a load in the opening direction that moves to the outdoor side so as to open the opening,
The ventilator according to claim 1, wherein the blade member and the outer panel can be opened to a rotational position where at least a part of the blade member and the outer panel project beyond the outdoor-side finding surface of the frame body. The ventilator according to claim 1,
The tip of the blade member is provided with a wind receiving surface extending in a direction away from the inner surface of the outer panel toward the indoor side in a state where the blade member is in contact with or close to the outer panel. Ventilator characterized by that. The ventilator according to claim 2,
The wind receiving surface is provided on a flexible wing member attached to the tip of the blade member or a wing member rotatably attached to the tip of the blade member. Features ventilator. The ventilator according to any one of claims 1 to 3,
On the inner surface of the blade member, a draining piece is formed protruding from the ventilation path formed between the inner surface and the opening portion while the blade member is movable indoors so as to close the opening portion. A ventilator characterized by being. In the ventilation apparatus of any one of Claims 1-4,
The said wing member and the said outer side panel are each supported by the one side part of the said opening part, The opening direction with respect to each outdoor is the same, The ventilation apparatus characterized by the above-mentioned. The ventilator according to claim 5,
An inner panel supported by the frame on the indoor side of the opening and capable of opening and closing the opening;
A link mechanism that links the opening / closing operation of the outer panel and the opening / closing operation of the inner panel;
A ventilation device comprising:   A fitting comprising the ventilator according to claim 1 and a window connected to at least one vertical frame of the frame.

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