JP2014037753A - Vertical constant-airflow ventilation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vertical constant-airflow ventilation device capable of performing a desired constant-airflow ventilation between the inside and outside of a building even when a change of airflow occurs and closing an opening easily and quickly without requiring the use of a member such as a spring for positioning blades at an opening-open position.SOLUTION: A vertical constant-airflow ventilation device 1 comprises: a frame body 3 mounted on a window frame 2 and extending in a Z-direction; blades 5 arranged in an opening 4 defined by the frame body 3 and extending in the Z-direction, and opening/closing the opening 4; opening/closing means 12 for making the blades 5 open/close the opening 4 on the basis of airflow; a vertically movable member 13 mounted on the frame body 3 to be vertically movable; a drawing mechanism 15 for drawing the blades 5 to an opening-close position by a specified quantity of vertical movement of the vertically movable member 13; and a prohibition mechanism 18 for prohibiting opening-open movement of the blades 5 drawn to the opening-close position by the drawing mechanism 15.

Description

  The present invention relates to a vertical constant air volume ventilation device that is installed on a wall, a sash, a vertical wall or the like of a building and ventilates the inside and outside of the building.

  For example, Patent Document 1 proposes a vertical constant air volume ventilation device that elastically holds a blade (air volume adjusting plate) at a desired position by a spring or the like.

JP 2005-273256 A

  By the way, in such a vertical constant air volume ventilation device, since the blade is elastically held at a desired position by a spring or the like, the blade is brought to a desired position based on a state change such as aged deterioration of the spring or the like. It is difficult to hold, and it is difficult to cause the blades to perform a desired operation based on the airflow. In addition, in such a vertical constant air volume ventilation device, it is difficult to simplify the device because a member such as a spring is required. In such a vertical constant air volume ventilation device, it is desirable that the opening can be easily and quickly closed by the blades.

  The present invention has been made in view of the above points, and the object of the present invention is not to use a member such as a spring for positioning the blades at the opening opening position, even if a change in airflow occurs. An object of the present invention is to provide a vertical constant air volume ventilation device that can perform desired constant air volume ventilation inside and outside a building and that can close an opening easily and quickly.

  The vertical constant air volume ventilation device of the present invention provided on a window frame of a building is arranged in a vertically extending frame body mounted on the window frame and an vertically extending opening defined by the frame body. And a blade that opens and closes the opening, a first support mechanism that supports the first supported portion of the blade in a vertically movable manner, and the first supported portion in the vertical direction. In addition, the second supported part of the blade located outside the building or inside the building with respect to the center of gravity of the blade is supported so as to be movable in and out of the building so that the blade causes opening movement based on its own weight. Opening and closing that opens and closes the opening in the opening opening movement based on the dead weight of the blade supported by the first and second support mechanisms and the opening closing movement based on the air flow Means and attached to the frame to move up and down A vertically movable member, a vertically movable member and a blade connected to each other, and a pulling mechanism that draws the blade to the opening closed position by a predetermined amount of vertical movement of the vertically movable member when closing the opening; It is provided on the locked member and the vertically movable member provided on the blade, and is movable up and down when closing the opening to prohibit the opening opening movement of the blade pulled to the opening closed position by the pulling mechanism. And a prohibiting mechanism having a locking member that locks the locked member by a vertical movement of a predetermined amount or more of the member.

  According to the vertical constant air volume ventilation device of the present invention, in particular, the opening and closing means supports the first supported portion of the blade so as to be movable up and down, and the first supported portion in the vertical direction. The second supported portion of the blade located on the outside or inside of the building with respect to the center of gravity of the blade so that the blade is caused to open open based on its own weight. A second support mechanism that movably supports the inside and outside of the building, opening opening movement based on the weight of the blades supported by the first and second support mechanisms, and opening closing based on the airflow In order to open and close the opening of the blade in the movement, the blade can be opened and opened based on its own weight, and the opening opening moving force based on the dead weight of the blade based on the increase of the air flow from the outside of the building to the opening. Against Opening movement can be caused at the root, and thus there is no need to use a member such as a spring for positioning the blade at the opening opening position, and the desired constant air flow inside and outside the building even if the air flow changes Ventilation can be performed.

  Further, according to the vertical constant air volume ventilation device of the present invention, in particular, the vertically movable member, which is mounted on the frame body so as to be movable up and down, is connected to the vertically movable member and the blade, and the opening is closed. A pulling mechanism that pulls the blade to the opening closed position by a predetermined amount of vertical movement of the vertically movable member when it is moved, and a locked member and a vertically movable member provided on the blade, and an opening by the pulling mechanism In order to inhibit the opening opening movement of the blade attracted to the closed position, the blade has a locking member that locks the locked member by moving up and down a predetermined amount or more when closing the opening. Since the prohibiting mechanism is provided, it is possible to reliably prohibit the opening movement of the blade by the prohibiting mechanism by pulling the blade to the opening closed position by the pulling mechanism, and the vertical movement of the vertically movable member. Thus, the pulling operation of the blade to the closed position of the blade by the pulling mechanism and the prohibition operation of the opening opening of the blade by the prohibiting mechanism following this pulling operation can be linked, and thus the opening can be easily and quickly performed. Can be closed.

  In the vertical constant air volume ventilation device of the present invention, the pulling mechanism includes a swingable member mounted so as to be swingable in the vertical direction relative to the vertically movable member, and the mutual movement of the swingable member and the blade. And a link member that connects the swingable member and the blades to allow the close movement, a vertically movable member at one end, a swingable member at the other end, and a vertically movable member And an elastic expansion / contraction member that generates elastic expansion / contraction in the vertical direction when the rocking member is vertically swinged relative to the movable member.

  In the present invention, the swingable member causes a vertical movement to draw the blades to the opening closed position via the link member when the vertical movement of the vertical movement member when closing the opening is performed by a predetermined amount. When the vertical movement of the vertically movable member is more than a predetermined amount when closing, the vertical movement of the vertically movable member is allowed to swing up and down relative to the vertically movable member to allow the vertical movement of the vertically movable member to exceed the predetermined amount. Further, it may be mounted on a vertically movable member.

  Further, the swingable member may be formed to extend in the vertical direction and may have a long hole in which a slide pin provided in the vertically movable member is disposed. In this case, the swingable member is The vertical movement of the vertically movable member when the opening is opened is transmitted to one end of the long hole via the slide pin, so that the blade is moved up and down so that the opening is movable. May be.

  The link member is provided on one end of the link arm, the link arm, the first connection portion rotatably connected to the swingable member, the other end of the link arm, and the blade. A second connecting portion that is rotatably connected, and at least one of the first and second connecting portions may allow the swingable member and the blade to approach each other. In order to be able to do so, there may be formed a long hole that extends in the longitudinal direction of the link arm and in which a slide pin provided on at least one of the swingable member and the blade is movably arranged in the longitudinal direction. .

  The elastic expansion / contraction member moves the swingable member up and down by being stretched in the vertical swing of the swingable member with respect to the vertically movable member based on the upward and downward movement of the predetermined amount or more when the opening is closed. You may arrange | position so that the elastic contraction force of the direction made to approach with respect to a movable member may be produced.

  In the vertical constant air volume ventilation device of the present invention, the prohibiting mechanism may include a plurality of locked members and a plurality of locking members corresponding to the plurality of locked members. In this case, the plurality of locked members may be provided on the blades at equal intervals in the vertical direction, and the plurality of locking members are provided on the vertically movable member at equal intervals in the vertical direction. It may be done.

  The to-be-latched member may have a collar portion having a to-be-latched recess attached to the blade, and the latching member is fixed to the vertically movable member and the fixed portion. And a contact portion that is arranged in a locked recess of the flange portion by a vertical movement of a predetermined amount or more of the vertically movable member when closing the opening and is in contact with the flange portion. The to-be-latched member may be latched by the abutment on the flange portion of the contact portion.

  An inclined edge that extends upwardly from the inside of the building toward the outside of the building may be formed at the leading edge of the collar portion that continues to the locked recess.

  The abutting portion of the locking member may be plate-shaped and have a folded portion formed by folding back an end portion inserted into the locked recess.

  Further, the contact portion of the locking member may be bent from the fixed portion toward the blade side so as to protrude toward the blade side with respect to the fixed portion.

  Furthermore, the locking member may include a guide roller that is fitted in a vertically extending groove formed in the frame so as to be guided in the vertical direction.

  In the vertical constant air volume ventilation device of the present invention, the vertically movable member may be fitted so as to be guided in the vertical direction in a groove extending in the vertical direction formed in the frame.

  The vertical constant air volume ventilator of the present invention may further comprise an operating means for operating the up and down movement of the vertically movable member, the operating means comprising a rotating body rotatably supported by the frame, A rotating member that is in contact with the outer peripheral edge of the rotating body and that is vertically attached to the vertically movable member, and that transmits the rotation of the rotating body as vertical power to the vertically movable member; and And an operation handle for rotating.

  The rotating body may be made of a sprocket, and the transmission member may be made of a chain member that meshes with the sprocket.

  In the vertical constant air volume ventilation device of the present invention, the second supported portion of the blade is positioned below the first supported portion of the blade, and when the blade is in the open closed position, You may be located in the building outer side with respect to the gravity center of a blade | wing.

  In the vertical constant air volume ventilation device of the present invention, the second supported portion of the blade may be positioned above the first supported portion of the blade, and when the blade is in the opening closed position. May be located inside the building with respect to the center of gravity of the blade.

  In the vertical constant air volume ventilation device of the present invention, the second support mechanism is inclined downward from the inside of the building toward the outside of the building so as to guide and support the second supported portion of the blade from the inside of the building to the outside of the building. It may have a guide support surface extended. In such a case, the second supported portion of the blade can be guided and supported on the guide support surface from the inside of the building to the outside of the building, and the blade can be moved to open the opening, and further, from the outside of the building to the opening. Based on the increase of the air flow, the opening closing movement can be caused in the blade against the opening opening movement occurring in the blade as described above, and thus the blade is positioned at the opening opening position. There is no need to use a member such as a spring, and a desired constant air volume ventilation inside and outside the building can be performed even if airflow changes.

  In the vertical constant air volume ventilation device of the present invention, the first support mechanism is inclined downward from the inside of the building toward the outside of the building so as to guide and support the first supported portion of the blade from the inside of the building to the outside of the building. The guide support surface may be extended, and the tilt angle of the guide support surface of the first support mechanism may be larger than the tilt angle of the guide support surface of the second support mechanism.

  According to the present invention, it is not necessary to use a member such as a spring for positioning the blades at the opening opening position, and it is possible to perform desired constant air volume ventilation inside and outside the building even if the air flow changes, and the opening can be simplified. It is possible to provide a vertical constant air volume ventilation device that can be closed quickly and quickly.

FIGS. 1A and 1B are explanatory diagrams of examples of embodiments of the present invention. 2A and 2B are partially enlarged explanatory views of the example shown in FIG. FIGS. 3A and 3B are operation explanatory diagrams of the example shown in FIG. 4A and 4B are partially enlarged explanatory views of the example shown in FIG. FIGS. 5A and 5B are operation explanatory views of the example shown in FIG. 6A and 6B are partially enlarged explanatory views of the example shown in FIG. FIGS. 7A and 7B are operation explanatory diagrams of the example shown in FIG. FIGS. 8A and 8B are partially enlarged explanatory views of the example shown in FIG. FIG. 9 is an explanatory view of the example shown in FIG. 1 as viewed from the inside of the building. 10 is a cross-sectional explanatory view taken along the line XX of the example shown in FIG. FIG. 11 is a partially developed perspective explanatory view of the example shown in FIG. FIG. 12 is a partially developed perspective explanatory view of the example shown in FIG. FIG. 13 is a partially developed perspective explanatory view of the example shown in FIG. FIG. 14 is an explanatory diagram of the example shown in FIG. 1 mainly when the first and second support mechanisms are closed. FIG. 15 is an explanatory diagram of the example shown in FIG. 1 mainly when the first and second support mechanisms are opened. FIG. 16 is an explanatory diagram relating to installation on the window frame in the example shown in FIG. 1.

  Next, embodiments of the present invention will be described in more detail based on preferred examples shown in the drawings. The present invention is not limited to these examples.

  In FIG. 1 to FIG. 16, the vertical constant air volume ventilation device 1 of this example provided on the window frame 2 of the building shown in FIG. 16 is a frame 3 that extends in the Z direction as the vertical direction attached to the window frame 2. And a blade 5 that opens and closes the opening 4 and a first supported portion 6 of the blade 5 are supported so as to be movable up and down. The first support mechanism 7 and the center of gravity of the blade 5 so that the blade 5 is located on one side with respect to the supported portion 6 in the Z direction, in this example, downward, and the blade 5 undergoes opening opening movement based on its own weight. The second supported portion 10 of the blade 5 located on the 8 side outside the building or the 9 side inside the building, in this example, the 8 side outside the building with respect to G is supported so as to be movable in the X direction as the inside and outside direction of the building. The second support mechanism 11 is supported by the support mechanisms 7 and 11. Opening / closing means 12 for opening / closing the opening 4 on the blade 5 in opening opening movement based on the weight of the root 5 and opening closing movement based on the air flow, and a vertically movable member mounted on the frame 3 so as to be movable up and down in the Z direction. 13, the operating means 14 for operating the up and down movement of the up and down movable member 13, the up and down movable member 13 and the blade 5 are connected, and a predetermined amount of the up and down movable member 13 when closing the opening 4 is connected. The pulling mechanism 15 pulls the blade 5 to the opening closed position by the vertical movement, and is provided on the locked member 16 and the vertically movable member 13 provided on the blade 5, and is pulled to the opening closed position by the pulling mechanism 15. In order to inhibit the opening movement of the blades 5, a locking member 17 that locks the locked member 16 by a vertical movement of a predetermined amount or more of the vertically movable member 13 when closing the opening 4 is provided. It is and a prohibition mechanism 18 that.

  In FIG. 16, reference numeral 20 denotes a building wall, and reference numeral 21 denotes a shoji made of a glass plate or the like. The window frame 2 includes an upper frame 22, a lower frame 23, and a pair of vertical frames 24 and 25 that are connected to each other, and the vertical constant air volume ventilation device 1 is installed in the vertical frame 25.

  1, 3 and 5 show a state in which the blade 5 is in the opening closed position, and FIG. 7 shows a state in which the blade 5 is in the opening open position. Each of (a) and (b) of FIG. 2 is an enlarged explanatory view of a portion surrounded by a two-dot chain line denoted by reference numerals E1 and E2 in (a) and (b) of FIG. Each of (a) and (b) is an enlarged explanatory view of a portion surrounded by a two-dot chain line labeled E3 and E4 in (a) and (b) of FIG. Each of a) and (b) is an enlarged explanatory view of a portion surrounded by a two-dot chain line denoted by reference numerals E5 and E6 in FIGS. 5 (a) and 5 (b), and FIG. 8 (a). FIGS. 7A and 7B are enlarged explanatory views of a portion surrounded by a two-dot chain line denoted by reference numerals E <b> 7 and E <b> 8 in FIGS. 7A and 7B. The vertical constant air volume ventilation device 1 opens the opening 4 as shown in FIG. 7 (b) by the opening opening movement of the blade 5 toward the outside 8 side of the building, and the opening closing movement of the blade 5 toward the inside 9 side of the building. As shown in FIG. 5B, the opening 4 is closed.

  The frame 3 includes a plate-like main body 31 extending in the Z-direction, a plurality of elongated holes 32 extending in the Z-direction arranged in the center of the plate-like main body 31 at equal intervals, the X-direction and the Z-direction A pair of grooves 33 and 34 extending in the Z direction provided in the plate-like main body 31 with a long hole therebetween in the Y direction as a transverse direction orthogonal to the direction, and extending in the Z direction shown in FIGS. 9 and 10, for example. The cover plate 35 includes attachment portions 36 and 37 to which the cover plate 35 is detachably attached.

  Support mechanisms 7 and 11 are arranged on the surface 38 of the plate-shaped main body 31 on the outside 8 side of the building. The operation means 14 is mounted on the surface 39 of the plate-shaped main body 31 on the inside of the building, and the grooves 33 and 34 and the attachment portions 36 and 37 are formed, and the upper and lower sides are formed via the grooves 33 and 34. The movable member 13 and the locking member 17 are mounted so as to be movable up and down in the Z direction, and a cover plate 35 is attached via attachment portions 36 and 37.

  The long hole 32 is formed so that the locked member 16 is inserted.

  The groove 33 is formed by a surface 39 and a pair of guide walls 41 and 42 extending in the Z direction and projecting toward the inside 9 of the building. It is formed by a pair of guide walls 43 and 44 extending in the Z direction and projecting toward the interior 9 side. Each protruding edge 45 of the guide walls 41 and 42 on the 9 side in the building is bent so as to approach each other in the Y direction, and each protruding edge 46 of the guide walls 43 and 44 on the 9 side in the building is in the Y direction. It is bent so as to approach each other.

  Each of the mounting portions 36 and 37 includes a surface 39 and mounting plates 47 and 48 extending in the Z direction and projecting toward the interior 9 side. An elastic body 49 such as rubber is interposed between the mounting plates 47 and 48 and the cover plate 35 as shown in FIG.

  The cover plate 35 is formed with a plurality of vent holes 51 arranged side by side in the Z direction and an opening 52 in which the operation means 14 is disposed.

  The blade 5 extends in the Z direction of the hollow blade body 55 extending in the Z direction, the upper cover 56 and the lower cover 57 attached to the upper end and the lower end of the blade body 55, respectively, and the blade body 55 on the 9 side of the building. Elastic seal members 60 and 61 extending in the Z direction, which are attached to the edges 58 and 59 and contact the surface 38 when the blade 5 is in the open closed position, and the elastic seal members 60 and 61, respectively. The elastic seal members 62 and 63 extending in the Y direction contacting the surface 38 when the blade 5 is in the opening closed position and the blades 55 are opposed to each other in the Y direction. A pair of side surfaces 64 and 65 are provided with rain protection members 66 and 67 having elasticity extending in the Z direction and protruding in the Y direction, respectively.

  The support mechanism 7 is mounted on the frame 3 and a pair of shafts 71 made of a rolling roller or the like mounted on the supported portion 6, and the supported portion 6 is relative to the frame 3 in the Z direction. A support member 72 that supports the pair of shaft bodies 71 so as to be movable up and down is provided.

  The pair of shaft bodies 71 are arranged opposite to each other in the Y direction, and are fixed to the blades 5 via brackets 73, respectively.

  The support member 72 is fixed to the surface 38 of the plate-like main body 31 at one end, protrudes from the surface 38 toward the outside 8 side of the building, and extends in a direction in which the pair of shaft bodies 71 are moved up and down. In addition, a pair of plate-like support portions 75 in which a pair of shaft bodies 71 are respectively disposed, a slit 74 in this example is formed, and the other ends of the pair of support portions 75 are bridged. And a plate-like bridging portion 76 extending in the Y direction.

  The support member 72 is inclined downward from the inside 9 side toward the outside 8 side of the building so as to guide and support the supported portion 6 from the inside 9 side to the outside 8 side with respect to the Z direction. A guide support surface 77 is formed, and the guide support surface 77 is a surface that defines a slit 74 formed in the support member 72. The slit 74 extends while being inclined downwardly from the inside 9 side of the building toward the outside 8 side with respect to the vertical line, and the guide support surface 77 also extends from the inside 9 side of the building to the outside 8 side of the vertical line. Inclining downward and extending toward the side. The slit 74 guides and supports the shaft body 71 in the Z direction in the opening opening movement and the opening closing movement of the blade 5. The inclination angle of the guide support surface 77 is larger than the inclination angle of the guide support surface 87.

  In this example, the slit 74 and the guide support surface 77 extend in the vertical direction at the upper part and the lower part, respectively, and in the middle part between the upper part and the lower part, as described above, the side 9 in the building with respect to the vertical line. It is inclined downward and extended toward the outside 8 side from the building.

  When the blade 5 is in the opening closed position shown in FIGS. 1, 3, and 5, the shaft body 71 is positioned at an intermediate portion between the upper portion and the lower portion of the slit 74 as shown in FIG. When in the opening open position shown in FIG. 7, it is located below the slit 74 as shown in FIG.

  The support mechanism 11 includes a shaft 81 made of a rolling roller or the like mounted on the supported portion 10 and the inside 9 of the building so as to guide and support the supported portion 10 from the inside 9 side to the outside 8 side of the building with respect to the X direction. And a support member 82 formed with a guide support surface 87 that is inclined downward from the side toward the outside 8 side of the building and extends in the X direction. The shaft body 81 attached to the supported portion 10 is arranged so as to be positioned above the center of gravity G of the blade 5 and on the outside 8 side of the blade 5 when the blade 5 is in the opening closed position.

  The pair of shaft bodies 81 are arranged to face each other in the Y direction, and are fixed to the blades 5 via brackets 83, respectively.

  The support member 82 is fixed to the surface 38 of the plate-like main body 31 at one end, protrudes from the surface 38 toward the outside 8 side of the building, and moves the pair of shaft bodies 81 in the X direction. A pair of plate-like support portions 85 each having a long hole or slit that is extended and in which a pair of shaft bodies 81 are respectively disposed, in this example, a slit 84, and each of the pair of support portions 85. And a plate-like bridging portion 86 extending in the Y direction bridging the ends.

  The slit 84 is inclined downward in the X direction from the inside 9 side of the building toward the outside 8 side with respect to the horizontal line, and extends in the X direction, and the guide support surface 87 including the surface defining the slit 84 is also supported. The portion 10 extends in the X direction so as to be guided and supported from the inside 9 side to the outside 8 side with respect to the X direction with respect to the horizontal line from the inside 9 side to the outside 8 side. The slit 84 guides and supports the shaft body 81 in the Z direction during the opening opening movement and the opening closing movement of the blade 5.

  In this example, the slit 84 and the guide support surface 87 extend in the vertical direction at the end of each building 9 side, and extend in the horizontal direction at the end of each building 8 side, As described above, the intermediate portion between both end portions is inclined downward in the X direction from the inside 9 side of the building toward the outside 8 side with respect to the horizontal line. Note that the inclination angle of the guide support surface 87 may gradually increase, for example, from the outside 8 side to the inside 9 side of the building. In such a case, the guide support surface 87 is a curved surface.

  When the blade 5 is in the opening closed position shown in FIG. 1, FIG. 3 and FIG. 5, the shaft body 81 is located on the side 9 in the building in the slit 84 as shown in FIG. When in the opening opening position shown, as shown in FIG.

  In this example, the supported portion 10 is disposed so as to be positioned on the same vertical line as the center of gravity G of the blade 5 when the blade 5 is in the open opening position.

  When the blades 5 are in the opening open position, the center of gravity G of the blades 5 and the supported portion 10 are located on the same vertical line extending in the Z direction, so that the blades 5 are kept in balance by their own weight and are stationary. . The blade 5 in such a stationary state is in a state where the opening can be closed and moved by a small force based on the airflow. Here, when the blade 5 is moved from the opening opening position to the opening closing position based on the air flow, the supported portion 10 moves in the X direction with respect to the center of gravity G and is positioned on the outside 8 side of the building. Is provided with an opening opening moving force as an anti-moving force against the opening closing moving force, and in addition, the opening opening movement as the anti-moving force is also based on the inclined guide support surface 87 as described above. Power is generated. When the opening closing moving force exceeds the opening opening moving force as the anti-moving force, the blade 5 causes the opening closing movement, and when the opening closing moving force is lower than the opening opening moving force as the anti-moving force In this case, the blade 5 moves to open the opening and returns to the opening opening position, and the blade 5 opens and closes the opening 4 in this way, so that the vertical constant air volume ventilation device 1 is located between the outside 8 and the inside 9 of the building. It is designed to perform constant air volume ventilation.

  When the blade 5 is in the opening closed position, a virtual line (not shown) connecting the supported portion 10 and the center of gravity G is directed from the outside 8 side to the inside 9 side of the building with respect to the vertical line. Inclined downward, and the inclination angle gradually decreases as the blade 5 approaches the opening opening position by the opening opening movement, and becomes 0 degrees when the blade 5 is disposed at the opening opening position. When a virtual line connecting the supported portion 10 and the center of gravity G is inclined downward from the outside 8 side toward the inside 9 side with respect to the vertical line, the blade 5 is based on its own weight. When the opening opening moving force is applied and the inclination angle of the virtual line connecting the supported portion 10 and the center of gravity G with respect to the vertical line becomes 0 degree, the position of the supported portion 10 and the position of the center of gravity G The opening opening moving force in the relationship of (2) does not occur.

  The pulling mechanism 15 allows the swingable member 91 mounted so as to be swingable relative to the vertically movable member 13 in the Z direction, and allows the swingable member 91 and the blade 5 to approach each other. The swing member 91 and the link member 92 connecting the blade 5 are connected to the vertically movable member 13 at one end 93 and the swing member 91 at the other end 94, respectively. And a coil spring 95 serving as an elastic expansion / contraction member that causes elastic expansion / contraction in the Z direction when swinging relative to the vertically movable member 13 in the Z direction.

  The plate-like swingable member 91 having an L shape in plan view has a long hole 96 formed to extend in the Z direction, and two slides provided in the vertically movable member 13 are provided in the long hole 96. A pin 97 is arranged, and when the opening 4 is opened freely, a predetermined amount of downward movement of the vertically movable member 13 in the Z direction is transmitted to one end 98 of the long hole 96 via the slide pin 97. Thus, the blade 5 is configured to move up and down so that the opening can be freely moved.

  The swingable member 91 is a Z direction for drawing the blades 5 to the opening closed position via the link member 92 when the vertically movable member 13 is moved upward in the Z direction by a predetermined amount when the opening 4 is closed. In the upward movement of the vertically movable member 13 in the Z direction by a predetermined amount or more when the opening 4 is closed, the downward movement in the Z direction relative to the vertically movable member 13 is caused. The movable member 13 is mounted on the movable member 13 so as to swing upward and allow the movable member 13 to move upward by a predetermined amount or more. The upward movement of the vertically movable member 13 in the Z direction is transmitted to the swingable member 91 via the coil spring 95.

  The link member 92 is provided at the link arm 101, a connecting portion 102 provided at one end of the link arm 101 and rotatably connected to the swingable member 91, and the other end of the link arm 101. And a connecting portion 103 that is rotatably connected to the blade 5 via the locked member 16, and at least one of the connecting portions 102 and 103 includes the swingable member 91 and the blade 5. The slide arm 104 extends in the longitudinal direction of the link arm 101 and at least one of the swingable member 91 and the blade 5, in this example, the slide pin 104 provided on the swingable member 91. A long hole 105 is formed so as to be movable in the longitudinal direction.

  For example, as shown in FIGS. 6 and 8, the link member 92 allows sliding movement in the long hole 105 of the slide pin 104, and as shown in FIGS. 5 and 7, the opening opening movement based on the dead weight of the blade 5. And an opening closing movement based on the airflow.

  When the swingable member 91 is moved upward in the Z direction by transmitting a predetermined amount of the vertically movable member 13 in the Z direction, the slide pin 104 slides in the long hole 96. While separating from the connecting portion 103 and contacting the end portion 106 of the long hole 96, a certain amount or more of separation from the connecting portion 103 is prohibited, so that the link member 92 rotates above the swingable member 91 while causing rotation. Is transferred to the blade 5 as an opening closing moving force.

  The coil spring 95 swings downward in the Z direction relative to the vertically movable member 13 of the swingable member 91 based on the upward movement in the Z direction of the predetermined amount or more of the vertically movable member 13 when the opening 4 is closed. It is arranged so as to generate and increase an elastic contraction force in a direction in which the swingable member 91 is moved closer to the vertically movable member 13. The coil spring 95 keeps the relative position of the swingable member 91 relative to the vertically movable member 13 in the Z direction constant by its elastic initial contraction force when the vertically movable member 13 is vertically moved by a predetermined amount. It is configured as follows.

  The prohibition mechanism 18 includes a plurality of locked members 16 and a plurality of locking members 17 corresponding to the plurality of locked members 16.

  The plurality of locked members 16 are provided on the blade body 55 at equal intervals in the Z direction, and the plurality of locking members 17 are provided on the vertically movable member 13 at equal intervals in the Z direction. ing.

  The locked member 16 has a flange 112 having a locked recess 111 attached to the blade 5. The locking member 17 is connected to the fixed portion 113 fixed to the vertically movable member 13 and the fixed portion 113, and is moved vertically by a predetermined amount or more of the vertically movable member 13 when closing the opening 4. A contact portion 114 disposed in the locked recess 111 of the flange portion 112 and contacting the flange portion 112, and connected to the contact portion 114 and guided to the groove 34 in the Z direction. The guide member 116 provided with the guide roller 115 is provided, and is configured to lock the locked member 16 by the contact of the contact portion 114 with the flange portion 112.

  An inclined edge 122 extending upwardly from the inside 9 side of the building toward the outside 8 side of the building is formed at the front end edge 121 of the flange portion 112 connected to the locked recess 111.

  The fixed portion 113, the contact portion 114, and the guide portion 116 are each plate-shaped, and the contact portion 114 protrudes toward the blade 5 with respect to the fixed portion 113 and the guide portion 116. The folded portion 123 is bent from the portion 116 toward the blade 5 side, and the end portion inserted into the locked recess 111 is folded.

  The vertically movable member 13 is mounted on the main body 125 side by side with an interval in the Z direction, and is guided in the Z direction by the groove 33 of the frame 3. The guide block 126 fitted in this manner and the above-described slide pin 97 are provided. The guide blocks 126 are respectively disposed on both sides in the Z direction of the plurality of locking members 17, and the swinging of the blades 5 whose opening opening movement is prohibited by the prohibiting mechanism 18 by being disposed in this way is provided. Is reduced.

  One end 93 of a coil spring 95 is attached to the main body 125 via a pin 127. Further, the main body 125 is formed with a long hole 129 extending in the Z direction in which a pin 128 having the other end 94 of the coil spring 95 attached to the swingable member 91 is movably disposed in the Z direction. Yes.

  The operating means 14 is rotatably supported by the frame 3, is in contact with the outer peripheral edge of the rotating body 131 and is attached to the main body 125 so as to extend in the Z direction. A transmission member 132 that transmits rotation to the vertically movable member 13 as vertical power and an operation handle 133 that rotates the rotating body 131 are provided.

  In this example, the rotating body 131 is composed of a sprocket 134, and the transmission member 132 is composed of a chain member 135 that extends in the Z direction and meshes with the sprocket 134 and is stretched on the main body 125, and the chain sprocket is formed by the sprocket 134 and the chain member 135. Although the mechanism is formed, for example, the rotating body 131 is made of a pinion, the transmission member 132 is made of a rack attached to the main body 125 extending in the Z direction, and the rack and pinion mechanism is formed by the pinion and the rack. Also good.

  In such operation means 14, when the sprocket 134 is rotated by the rotation operation of the operation handle 133, the chain member 135 transmits this rotation to the vertically movable member 13 to cause downward movement in the Z direction. When the sprocket 134 is rotated by the reverse rotation operation of 133, the chain member 135 transmits this reverse rotation to the vertically movable member 13 to cause upward movement in the Z direction.

  Hereinafter, the opening operation of the opening 4 by the vertical constant air volume ventilation device 1 will be described. First, when the blade 5 is in the opening closed position as shown in FIG. 1, the vertically movable member 13 is moved downward with respect to the frame body 3 based on the rotation operation of the operation handle 133, and is locked by this movement. The member 17 is lowered with respect to the locked member 16, and the contact portion 114 is extracted from the locked recess 111 as shown in FIGS. 3 and 4, and the locked member 16 is engaged with the locked member 17. Thus, the prohibition of the opening opening movement of the blade 5 by the prohibiting mechanism 18 is canceled. In the downward movement of the vertically movable member 13, the swingable member 91 moves upward in the Z direction based on the contraction force of the coil spring 95 relative to the vertically movable member 13, The displacement of the swingable member 91 with respect to the frame 3 in the Z direction does not occur.

  In the state shown in FIGS. 3 and 4, the prohibition of the opening opening movement of the blade 5 by the prohibiting mechanism 18 is released, but the slide pin 104 connected to the swingable member 91 is separated from the connecting portion 103. In this state, it is in contact with the end portion 106 of the long hole 105 to prevent a certain amount of separation from the connecting portion 103, and the swingable member 91 maintains its position in the Z direction. The blade 5 is maintained in the state of being drawn to the opening closed position by the drawing mechanism 15.

  Next, as shown in FIGS. 3 and 4, in the state where the prohibition of the opening opening movement of the blades 5 by the prohibiting mechanism 18 is released, the vertically movable member 13 is framed based on the further rotation operation of the operation handle 133. 3, when this movement is transmitted to the swingable member 91 via the slide pin 97 as shown in FIG. 6, the swingable member 91 is moved downward together with the vertically movable member 13. As a result of this movement, the slide pin 104 moves through the long hole 105 and approaches the connecting portion 102 so that the link arm 101 can be tilted. Thus, as shown in FIGS. The drawing of the blade 5 by 15 is also released, and the opening opening movement of the blade 5 is completely released.

  As shown in FIGS. 5 and 6, in the state where the prohibition mechanism 18 prohibits the opening of the blade 5 from opening and the pulling mechanism 15 pulls the blade 5 to the opening closed position, the supported portion 10 is in the X direction. Since the guide support surface 87 is inclined as described above with respect to the center of gravity G and the guide support surface 87 is inclined as described above, the blade 5 is given a rotational moment toward the opening opening position, and the blade 5 moves to open the opening. To start. The shaft 81 moves downward along the slit 84 while moving toward the outside 8 side of the building as the supported portion 10 moves toward the outside 8 side of the building.

  The rotational moment applied to the blade 5 toward the opening opening position is such that, as the blade 5 approaches the opening opening position, the inclination angle of a virtual line connecting the supported portion 10 and the center of gravity G with respect to the vertical line is In order to decrease gradually, it becomes gradually smaller. When the blade 5 reaches the opening opening position shown in FIG. 7 by the opening opening movement, each of the supported portion 10 and the center of gravity G is located on the same vertical line, thereby generating an opening opening moving force based on the weight of the blade 5. Thus, the blade 5 stops at the opening open position. Thus, since the rotational moment applied to the blade 5 toward the opening opening position gradually decreases, it is possible to prevent the blade 5 from rapidly opening the opening 4, and conversely, the blade 5 moves from the opening opening position. When the opening closing movement is performed toward the opening closing position, the rotational moment applied to the blade 5 toward the opening opening position is gradually increased. Therefore, the opening opening movement as an anti-moving force against the opening closing movement is provided. As a result of the gradual increase of the force, rapid closing of the opening 4 can be prevented.

  As described above, the vertical constant air volume ventilation device 1 opens the opening 4.

  7 and 8, when the blade 5 is in the open position, when the outside air 8 side becomes positive pressure and the inside 9 side negative pressure with respect to the blade 5 due to the air current, When the blades 5 are closed and closed by the opening closing movement force based on the air flow, the flow rate of the gas flowing between the outside 8 and the inside 9 of the building is reduced. On the other hand, when the air flow causes negative pressure on the outside 8 side of the building and positive pressure on the inside 9 side of the building 5 due to the air flow, the opening opening moving force based on the air flow is applied to the blade 5 and the opening opening moving force based on this air flow. When the blade 5 is moved to open the opening, the flow rate of the gas flowing between the outside 8 and the inside 9 increases. When the opening opening moving force and the opening closing moving force based on the airflow are not generated, the blade 5 returns to the opening opening position as described above and stops.

  Hereinafter, the closing operation of the opening 4 by the vertical constant air volume ventilation device 1 will be described. First, when the blade 5 is in the opening open position as shown in FIG. 7 or in the state in which the opening can be freely moved as shown in FIG. 5, the vertically movable member 13 is framed based on the reverse rotation operation of the operation handle 133. 3, and the swingable member 91 to which this movement is transmitted via the coil spring 95 also causes the frame 3 to move upward. When the blade 5 is pulled to the opening closed position while causing the link arm 101 to tilt in the opposite direction based on the upward movement of the slide pin 104 due to the upward movement, FIG. 3 shows when the vertically movable member 13 moves upward by a predetermined amount. And the blade | wing 5 is arrange | positioned in an opening closed position as shown in FIG. When the vertically movable member 13 moves upward by a predetermined amount with respect to the frame body 3, the further upward movement of the swingable member 91 relative to the frame body 3 is brought into contact with the frame body 3 and the like. It is forbidden.

  After pulling the blade 5 to the opening closed position as shown in FIGS. 3 and 4 by the operation of the pulling mechanism 15 based on the upward movement of the vertically movable member 13 with respect to the frame 3 by a predetermined amount, the operation handle 133 is further moved. Based on the reverse rotation operation, the vertically movable member 13 is moved further upward with respect to the frame 3, and the locking member 17 approaches the locked member 16 by the upward movement of the predetermined amount or more. Then, the abutting portion 114 is inserted into the latched recess 111 and abuts against the collar portion 112, whereby the latching member 17 latches the latched member 16, as shown in FIGS. 1 and 2. The opening opening movement of the blade 5 in the opening closed position is prohibited.

  According to the vertical constant air volume ventilation device 1 provided in the window frame 2 of the building of this example, the frame body 3 that is attached to the window frame 2 and extends in the Z direction, and extends in the Z direction defined by the frame body 3. One side with respect to the supported part 6 in the Z direction, and a blade 5 that is disposed in the opening 4 and that opens and closes the opening 4, a support mechanism 7 that supports the supported part 6 of the blade 5 so as to be movable up and down, In this example, the blade 5 is located on the upper side, and the blade 5 has an opening opening movement based on its own weight. The support mechanism 11 which supports the supported part 10 of the blade | wing 5 located in the side so that a movement to an X direction is possible is comprised, and the opening based on the dead weight of the blade | wing 5 currently supported by the support mechanisms 7 and 11 The opening 4 is opened and closed by the blade 5 in the opening movement and the opening closing movement based on the air flow. Open / close means 12, a vertically movable member 13 mounted on the frame 3 so as to be movable up and down, a vertically movable member 13 and the blades 5 are connected to each other, and the vertically movable when the opening 4 is closed. A pulling mechanism 15 that pulls the blade 5 to the opening closed position by a predetermined amount of vertical movement of the member 13, a locked member 16 provided on the blade 5, and a vertically movable member 13, and a pulling mechanism 15 A locking member that locks the locked member 16 by a vertical movement of a predetermined amount or more of the vertically movable member 13 when closing the opening 4 so as to prohibit the opening opening movement of the blade 5 drawn to the opening closing position. Since the forbidden mechanism 18 having 17 is provided, the blade 5 can be opened and moved based on its own weight, and furthermore, based on the increase of the air flow from the outside 8 side toward the opening 4 , Feather It is possible to cause opening closing movement of the blade 5 against the opening opening moving force based on its own weight, and it is not necessary to use a member such as a spring for positioning the blade 5 in the opening opening position. Even if a change in the air flow occurs, it is possible to perform desired constant air flow ventilation inside and outside the building, and by the pulling mechanism 15 pulling the blade 5 to the opening closed position, the prohibition mechanism 18 is surely prohibited from moving the opening of the blade 5 open. In addition, only by the vertical movement of the vertically movable member 13, the pulling mechanism 15 pulls the blade 5 toward the opening closed position and the prohibiting mechanism 18 following the pulling operation moves the opening of the blade 5. The prohibition operation can be interlocked, and thus the opening 4 can be closed easily and quickly.

  In this example, the supported portion 10 is positioned below the supported portion 6, and when the blade 5 is in the open closed position, the outside 8 side of the building with respect to the center of gravity G of the blade 5. For example, when the vertical constant air volume ventilation device 1 is designed so that the supported portion 10 is positioned above the supported portion 6, the blade 5 is in the open closed position. In some cases, the supported portion 10 is configured to be located on the 9 side in the building with respect to the center of gravity G of the blade 5.

DESCRIPTION OF SYMBOLS 1 Ventilator 2 Window frame 3 Frame body 4 Opening 5 Blade | wing 6, 10 Supported part 7, 11 Support mechanism 8 Outside building 9 Inside building 12 Opening / closing means 13 Vertically movable member 14 Operating means 15 Pulling mechanism 16 Locked member 17 Locking member 18 Prohibition mechanism

Claims (20)

  A vertically extending frame attached to the window frame, a blade disposed in the vertically extending opening defined by the frame and opening and closing the opening, and a first supported portion of the blade A first support mechanism that supports the blade in an up-and-down manner and the first support mechanism in the up and down direction, and the blade is configured to open and move based on its own weight. A second support mechanism that supports the second supported portion of the blades located outside or inside the building with respect to the center of gravity of the building so as to be movable in and out of the building. Opening and closing means for opening and closing the blade in the opening opening movement based on the weight of the blade supported by the two support mechanisms and the opening and closing movement based on the air flow, and the vertical movement mounted on the frame body so as to be movable up and down Member, vertically movable member and wing A pulling mechanism that draws the blades to the opening closed position by a predetermined amount of vertical movement of the vertically movable member when closing the opening, and a locked member and a vertically movable member provided on the blade. In addition, in order to prohibit the opening movement of the blades drawn to the opening closed position by the drawing mechanism, the member to be locked is engaged by the vertical movement more than a predetermined amount of the vertically movable member when closing the opening. And a vertical constant air volume ventilation device provided on a window frame of a building.   The pulling mechanism includes a swingable member that is mounted so as to be swingable in a vertical direction relative to the vertically movable member, and a swingable member that allows the swingable member and the blade to approach each other. And a link member connecting the blades, a vertically movable member at one end, a swingable member at the other end, and a relative vertical swing of the swingable member with respect to the vertically movable member. The vertical constant air volume ventilation device according to claim 1, further comprising an elastic expansion and contraction member that generates elastic expansion and contraction in a vertical direction during movement.   The swingable member causes a vertical movement for pulling the blades to the opening closed position via the link member in a predetermined amount of vertical movement of the vertical movement member when closing the opening, while When the vertical movement of the vertical movable member is greater than or equal to a predetermined amount, the vertical movement is performed so that the vertical movement of the vertical movement member is allowed to swing upward and downward relative to the vertical movement member. The vertical constant air volume ventilation device according to claim 2, which is mounted on a free member.   The swingable member has a long hole formed so as to extend in the vertical direction, and a slide pin provided on the vertically movable member is arranged in the long hole so that the opening can be opened. The vertical movement of a predetermined amount of the vertically movable member is transmitted to one end of the elongated hole via a slide pin, so that the vertical movement is generated so that the blade can be opened and moved freely. The vertical constant air volume ventilation device described in 1.   The link member is provided on one end of the link arm, the link arm, the first connection portion rotatably connected to the swingable member, the other end of the link arm, and the blade. A second connecting portion that is rotatably connected, and at least one of the first and second connecting portions can allow the swingable member and the blade to approach each other. Further, a long hole is formed which extends in the longitudinal direction of the link arm and in which a slide pin provided on at least one of the swingable member and the blade is movably disposed in the longitudinal direction. The vertical constant air volume ventilation device according to any one of 4.   The elastic expansion / contraction member moves the swingable member up and down by being stretched in the vertical swing of the swingable member with respect to the vertically movable member based on the upward and downward movement of the predetermined amount or more when the opening is closed. The vertical constant air volume ventilation device according to any one of claims 2 to 5, wherein the vertical constant air flow ventilation device is disposed so as to generate an elastic contraction force in a direction of approaching the movable member.   The vertical mechanism according to any one of claims 1 to 6, wherein the prohibiting mechanism includes a plurality of locked members and a plurality of locking members corresponding to the plurality of locked members. Airflow ventilation.   The plurality of members to be locked are provided on the blades at equal intervals in the vertical direction, and the plurality of locking members are provided on the vertically movable member at intervals from each other in the vertical direction. The vertical constant air volume ventilation device described in 1.   The locked member has a collar portion having a locked recess attached to the blade, and the locking member is connected to the fixed portion fixed to the vertically movable member and the fixed portion. And a contact portion that is disposed in the locked recess of the collar portion by a vertical movement of a predetermined amount or more of the vertically movable member when closing the opening, and abuts against the collar portion. The vertical constant air volume ventilation device according to any one of claims 1 to 8, wherein the member to be locked is locked by the contact with the buttocks.   The vertical constant air volume ventilator according to claim 9, wherein an inclined edge extending upward from the inner side of the building toward the outer side of the building is formed at the leading end edge of the flange portion connected to the locked recess.   The vertical constant air volume ventilation according to claim 9 or 10, wherein the contact portion of the locking member is plate-shaped and has a folded portion formed by folding an end portion inserted into the locked recess. apparatus.   The vertical fixed surface according to any one of claims 9 to 11, wherein the contact portion of the locking member is bent from the fixed portion toward the blade side so as to protrude toward the blade side with respect to the fixed portion. Airflow ventilation.   The locking member includes a guide roller that is fitted so as to be guided in a vertical direction in a groove extending in the vertical direction formed in the frame body. The vertical constant air volume ventilation device described.   The vertical constant air volume according to any one of claims 1 to 13, wherein the vertically movable member is fitted in a vertically extending groove formed in the frame so as to be guided in the vertical direction. Ventilation device.   Operation means for operating up and down movement of the up and down movable member is further provided. The operation means is in contact with the rotating body rotatably supported by the frame body and the outer peripheral edge of the rotating body and moves up and down. 2. A transmission member that is vertically attached to the universal member and that transmits the rotation of the rotating body to the vertically movable member as vertical power, and an operation handle that rotates the rotating body. The vertical constant air volume ventilation apparatus as described in any one of 1 to 14.   The vertical constant air volume ventilation device according to claim 15, wherein the rotating body is made of a sprocket, and the transmission member is a chain member that meshes with the sprocket.   The second supported part of the blade is located below the first supported part of the blade, and when the blade is in the open closed position, the second supported part is located outside the building with respect to the center of gravity of the blade. The vertical constant air volume ventilation device according to any one of claims 1 to 16.   The second supported part of the blade is located above the first supported part of the blade, and when the blade is in the open closed position, the second supported part is located inside the building with respect to the center of gravity of the blade. The vertical constant air volume ventilation device according to any one of claims 1 to 16.   The second support mechanism includes a guide support surface that extends downwardly from the inside of the building toward the outside of the building so as to guide and support the second supported portion of the blade from the inside of the building to the outside of the building. The vertical constant air volume ventilation apparatus as described in any one of Claims 1-18.   The first support mechanism includes a guide support surface that extends downwardly from the inside of the building toward the outside of the building so as to guide and support the first supported portion of the blade from the inside of the building to the outside of the building. The vertical constant air volume ventilation device according to claim 19, wherein an inclination angle of the guide support surface of the first support mechanism is larger than an inclination angle of the guide support surface of the second support mechanism.

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