TW201408858A - Vertical constant air volume ventilation devic - Google Patents

Abstract

A vertical constant air volume ventilation device (1) is provided with: a frame body (3) which is mounted to a window frame (2) and extends in a Z direction; a blade (5) which is disposed in an opening (4) defined by the frame body (3) and extending in the Z direction, and opens and closes the opening (4); an opening and closing means (12) which causes the blade (5) to open and close the opening (4) on the basis of an air current; a vertically movable member (13) which is vertically movably mounted to the frame body (3); a drawing mechanism (15) which draws the blade (5) up to an opening closed position by a predetermined amount of vertical movement of the vertically movable member (13); and a prohibition mechanism (18) which prohibits the opening opening movement of the blade (5) drawn up to the opening closed position by the drawing mechanism (15).

Description

Upright type constant air volume ventilator

The invention relates to an upright type constant air volume ventilating device which is arranged on a wall, a window frame, a vertical plate and the like of a building to exchange air between the inside of the building and the outside of the building.

For example, Patent Document 1 discloses an upright type constant air volume ventilator that elastically holds a blade (air volume adjustment plate) at a desired position by a spring or the like.

[Previous Technical Literature] [Patent Literature]

[Patent Document 1] Japanese Patent Laid-Open Publication No. 2005-273256

In addition, in such an upright type constant air volume ventilator, since the blade is elastically held at a desired position by a spring or the like, it is difficult to maintain the blade at a desired state based on a state change such as long-term deterioration of the spring or the like. At the location, it is also difficult to cause the blade to perform the desired action based on the airflow. Further, in such an upright type constant air volume ventilator, since a member such as a spring is required, it is difficult to simplify the apparatus. Further, in such an upright type constant air volume ventilator, it is desirable that the opening can be closed simply and quickly by the blade.

The present invention has been made in view of the above points, and an object of the present invention is to provide an upright type constant air volume ventilating device which does not require a member such as a spring for positioning the blade in an open position of the opening, and can perform a building even if a change in air flow occurs. The desired air volume is ventilated both inside and outside, and the opening can be closed simply and quickly.

The upright type constant air volume ventilating device of the present invention disposed on a window frame of a building comprises: a frame body mounted on the window frame and extending in the up and down direction; and a blade disposed in the upper and lower sides by the frame body Opening and closing the opening, and opening and closing the opening; the opening and closing device includes a first supporting mechanism for lifting and supporting the first supported portion of the blade, and a second supported portion that is freely supported to support the blade in the direction of the inside and outside of the building a second supporting mechanism, the second supported portion is located on one side with respect to the first supported portion in the up and down direction, and is located in the building relative to the center of gravity of the blade in such a manner that the blade is opened and moved based on the opening of its own weight The outer side of the object or the inner side of the building, and the opening and closing device opens and closes the opening of the blade based on the opening movement of the self-weight opening of the blade supported by the first and second supporting mechanisms and the opening of the airflow; moving the free member up and down , the upper and lower movements are freely mounted to the frame; the traction mechanism is coupled to move the free member and the blade up and down, and by closing the opening a specific amount of the moving free member is moved up and down to pull the blade to the open closed position; and a prohibiting mechanism includes the locked member disposed on the blade and the locking member disposed on the upper and lower moving free member, and the prohibited mechanism is prohibited The opening of the blade that is pulled to the closed position of the opening is openly moved, and the locking member is locked by the upper and lower movements of the upper and lower movable member when the opening is closed.

According to the upright type constant air volume ventilating device of the present invention, in particular, the opening and closing device includes a first supporting mechanism that supports the first supported portion of the blade to lift and support the blade, and a second supported portion that freely supports the blade in the direction of the inside and outside of the building a second supporting mechanism, the second supported portion is located on one side with respect to the first supported portion in the up and down direction, and is located relative to the center of gravity of the blade in such a manner that the blade is caused to openly move based on the opening of its own weight The outside of the building or the inside of the building, the opening and closing device opens and closes the opening of the blade based on the opening of the self-weight opening of the blade supported by the first and second supporting mechanisms and the opening of the airflow based opening, so that the blade can be opened and closed based on its own weight Opening the blade to open the opening, and resisting the opening based on the blade's own weight based on the increase of the airflow from the outside of the building toward the opening The opening movement force causes the blade to open and close the movement, thereby eliminating the need to use a member such as a spring for positioning the blade in the open position of the opening, and even if a change in the air flow occurs, the desired constant air volume ventilation inside and outside the building can be performed.

Further, the upright type constant air volume ventilator according to the present invention includes, in particular, a vertically movable member that is vertically movably attached to the frame body, and a traction mechanism that connects the upper and lower movable member and the blade, and is closed by a specific amount of the upper and lower movable members is moved up and down to pull the blade to the open closed position; and a prohibiting mechanism includes the locked member disposed on the blade and the locking member disposed on the upper and lower moving free member, which is prohibited The opening of the blade pulled by the traction mechanism to the closed position of the opening is openly moved, and the locking member is locked by the upper and lower movement of the upper and lower movable member when the opening is closed, thereby locking the locked member, thereby utilizing the traction The mechanism pulls the blade to the closed position of the opening, and can surely prohibit the opening movement of the opening of the blade by the prohibiting mechanism, and can move the blade to the closed position by the traction mechanism only by moving up and down the free member up and down. The action and the use prohibition mechanism following the pulling action prohibit the opening of the blade Moving the interlocking action, so as to be simply and quickly closes the opening.

In the upright type constant air volume ventilating device of the present invention, the traction mechanism may include: a rocking free member that is relatively oscillatingly mounted in an up and down direction with respect to the up and down movement of the free member; and a link member that allows the rocking member to be shaken And the blades are connected to each other to connect the rocking free member and the blade; and the elastic telescopic member is coupled to the up and down moving free member at one end, and to the rocking free member at the other end, and to move the free member relative to the upper and lower sides while moving the free member. When the ground is rocked in the up and down direction, elastic expansion and contraction in the up and down direction occurs.

In the present invention, the rocking free member may be mounted on the up and down moving free member in such a manner that when the upper portion of the free member is moved up and down when the opening is closed, the blade is pulled to the opening via the link member. Moving up and down the position, on the other hand, moving above and below the specific amount of the free member when the opening is closed At this time, the free member is moved up and down with respect to the vertical movement, and the upper and lower movement free members are allowed to move up and down by a specific amount or more.

Further, the rocking free member may have a long hole which is formed to extend in the up and down direction, and is provided with a slide pin provided on the up and down moving free member, and in this case, the rocking free member may be configured to be opened by the opening The upper and lower movements of the upper and lower movable members are transmitted to the one end of the long hole via the slide pin, and the up and down movement is generated to open the blade opening.

The link member may include a link arm, a first connecting portion disposed at one end of the link arm and rotatably coupled to the rocking free member, and a second connecting portion disposed at the other end of the link arm and rotatably coupled to the blade The connecting portion may form an elongated hole in the longitudinal direction of the link arm at least one of the first and second connecting portions so as to allow the rocking free member and the blade to approach each other, and the edge is extended along the length of the link arm A slide pin provided at least one of the rocking free member and the blade is movably disposed in the longitudinal direction.

The elastically-expandable member may be disposed such that the rocking free member is caused to move by moving upward and downward relative to the upper and lower movement of the free member based on the upper and lower movement of the free member when the opening is closed. The contraction force of the elasticity relative to the direction in which the free member is moved up and down.

In the upright type constant air volume ventilating device of the present invention, the prohibiting mechanism may include a plurality of locked members, and includes a plurality of locking members corresponding to the plurality of locked members, and in this case, the plurality of The locking members are provided on the blade at equal intervals in the up-and-down direction, and the plurality of locking members are provided on the vertical movement free members at equal intervals in the vertical direction.

The locked member may include a hook portion that is attached to the blade and has a locked recess, and the locking member may include a fixing portion and an abutting portion that are fixed to the upper and lower moving free member, and the abutting portion is connected to the fixing portion. And the locked recessed portion disposed in the hook portion is moved upward and downward by a specific amount or more of the upper and lower moving free members when the opening is closed, and abuts against the hook portion; and the The locking member is configured to lock the engaged member by the abutting of the abutting portion with respect to the hook portion.

An edge of the front end of the hook portion connected to the recessed recess may be formed with an inclined edge extending obliquely upward from the inside of the building toward the outside of the building.

The abutting portion of the locking member may have a plate shape and have a folded portion formed by folding back the end portion inserted into the locked concave portion.

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

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

In the upright type constant air volume ventilator of the present invention, the up-and-down moving free member can be fitted to the groove formed in the frame and extending in the vertical direction so as to be guided in the vertical direction.

In the upright type constant air volume ventilating device of the present invention, the operating device for operating the upper and lower moving free members may be further included, the operating device may include: a rotating body rotatably supported by the frame; a transmitting member, It is abutted on the outer periphery of the rotating body, and is attached to the upper and lower moving free members so as to extend in the up-and-down direction, and transmits the rotation of the rotating body as an up-and-down moving force to the upper and lower moving free members; and operates the handle to rotate the operation Rotating body.

The rotating body may include a sprocket, and the transmitting member may include a chain member that meshes with the sprocket.

In the upright type constant air volume ventilating device of the present invention, the second supported portion of the blade may be located below with respect to the first supported portion of the blade, and with respect to the center of gravity of the blade when the blade is in the open closed position Located on the outside of the building.

In the upright type constant air volume ventilating device of the present invention, the second supported portion of the blade is located above the first supported portion of the blade, and the blade is in the open closed position At the time, it is located inside the building with respect to the center of gravity of the blade.

In the upright type constant air volume ventilating device of the present invention, the second supporting mechanism may be provided with a guiding support surface for guiding the second supported portion of the blade from the inside of the building to the outside of the building. The method extends obliquely downward from the inside of the building toward the outside of the building. In this case, the blade can be opened and moved by guiding the second supported portion of the blade from the inside of the building to the outside of the building on the guiding support surface, and can be based on the outer side of the building. The increase in the airflow of the opening, as described above, resists the open movement of the opening of the blade to cause the blade to open and close, thereby eliminating the need for a spring or the like for the blade to be in the open position of the opening, even if a change in airflow occurs. It is also possible to perform the desired constant air volume ventilation inside and outside the building.

In the upright type constant air volume ventilating device of the present invention, the first support mechanism may be provided with a guiding support surface for guiding the first supported portion of the blade from the inside of the building to the outside of the building. The method extends obliquely downward from the inner side of the building toward the outer side of the building, and the inclination angle of the guiding support surface of the first supporting mechanism may be greater than the inclination angle of the guiding support surface of the second supporting mechanism.

According to the present invention, it is possible to provide an upright type constant air volume ventilating device which does not need to use a member such as a spring for positioning the blade in an open position of the opening, and can perform a desired constant air volume ventilation inside and outside the building even if a change in the air flow occurs. And the opening can be closed simply and quickly.

1‧‧‧Ventilator

2‧‧‧Window frame

3‧‧‧ frame

4‧‧‧ openings

5‧‧‧ leaves

6, 10‧‧‧ Supported Department

7, 11‧‧‧Support institutions

8‧‧‧ outside the building

9‧‧‧ inside the building

12‧‧‧Opening and closing devices

13‧‧‧ Moving up and down free components

14‧‧‧Operating device

15‧‧‧ traction mechanism

16‧‧‧Blocked components

17‧‧‧Clocking members

18‧‧‧Prohibited institutions

20‧‧‧Building wall

21‧‧‧Window

22‧‧‧上上

23‧‧‧ Lower frame

24, 25‧‧‧ vertical frame

31‧‧‧ plate body

32‧‧‧ long hole

33‧‧‧ slots

34‧‧‧ slots

35‧‧‧Slate

36, 37‧‧‧ Installation Department

38‧‧‧ face

39‧‧‧ Face

41, 42‧‧‧ Guide wall

43, 44‧‧‧ Guide wall

45‧‧‧ prominent edge

46‧‧‧ prominent edge

47, 48‧‧‧ fixed plate

49‧‧‧ Elastomers

51‧‧‧Ventinel

52‧‧‧ openings

55‧‧‧ blade body

56‧‧‧上盖

57‧‧‧Under the cover

58, 59‧‧‧ edge

60, 61‧‧‧ elastic sealing members

62, 63‧‧‧Elastic sealing members

64, 65‧‧‧ side

66, 67‧‧‧ rainproof components

71‧‧‧Axis body

72‧‧‧Support components

73‧‧‧ bracket

74‧‧‧slit

75‧‧‧Support Department

76‧‧‧Bridge

77‧‧‧Guidance support surface

81‧‧‧Axis

82‧‧‧Support components

83‧‧‧ bracket

84‧‧‧slit

85‧‧‧Support Department

86‧‧‧Bridge

87‧‧‧Guidance support surface

91‧‧‧Shake free components

92‧‧‧Connector components

93‧‧‧ one end of the coil spring

94‧‧‧The other end of the coil spring

95‧‧‧Helical spring

96‧‧‧ long hole

97‧‧‧Slide pin

98‧‧‧One end of long hole 96

101‧‧‧ Link arm

102‧‧‧Connecting Department

103‧‧‧Connecting Department

104‧‧‧Slide pin

105‧‧‧ long hole

106‧‧‧End of the long hole 105

111‧‧‧The locked recess

112‧‧‧ hook

113‧‧‧ fixed department

114‧‧‧Apartment

115‧‧‧Guide Roller

116‧‧‧Guide

121‧‧‧ front edge

122‧‧‧ slanted edge

123‧‧‧Return

125‧‧‧ body

126‧‧‧ Guide block

127‧‧ sales

128‧‧ ‧ sales

129‧‧‧ long hole

131‧‧‧Rotating body

132‧‧‧Transmission components

133‧‧‧Operation handle

134‧‧‧Sprocket

135‧‧‧Chain components

G‧‧‧ center of gravity

X, Y, Z‧‧ Direction

1(a) and 1(b) are explanatory views showing an example of an embodiment of the present invention.

2(a) and 2(b) are partially enlarged explanatory views of the example shown in Fig. 1.

3(a) and 3(b) are explanatory views of the operation of the example shown in Fig. 1.

4(a) and 4(b) are partially enlarged explanatory views of the example shown in Fig. 3.

5(a) and 5(b) are explanatory views of the operation of the example shown in Fig. 1.

6(a) and 6(b) are partially enlarged explanatory views showing an example shown in Fig. 5.

7(a) and 7(b) are explanatory views of the operation of the example shown in Fig. 1.

8(a) and 8(b) are partially enlarged explanatory views showing an example of Fig. 7.

Fig. 9 is an explanatory view of the example shown in Fig. 1 as viewed from the inside of the building.

Fig. 10 is an explanatory view showing an X-X arrow cross section of the example shown in Fig. 1.

Fig. 11 is a partially exploded perspective view showing the example shown in Fig. 1.

Fig. 12 is a partially exploded perspective view showing the example shown in Fig. 1.

Fig. 13 is a partially exploded perspective view showing the example shown in Fig. 1.

Fig. 14 is an explanatory view showing an example in which the opening of the first and second supporting mechanisms is closed in the example shown in Fig. 1.

Fig. 15 is an explanatory view showing an example in which the openings of the first and second supporting mechanisms are opened when the example shown in Fig. 1 is opened.

Fig. 16 is an explanatory view showing the arrangement of the window frame with respect to the example shown in Fig. 1.

Next, embodiments of the present invention will be described in further detail based on preferred examples shown in the drawings. Furthermore, the invention is not limited by the examples.

1 to 16, the upright type constant air volume ventilating device 1 of the present embodiment shown in Fig. 16 provided on the sash 2 of the building is provided with a frame body 3 which is attached to the window frame 2 and which serves as a top and bottom The direction of the Z direction extends; the blade 5 is disposed in the opening 4 extending in the Z direction by the frame 3, and opens and closes the opening 4; the opening and closing device 12 is provided with the first being supported by the blade 5 The first support mechanism 7 of the support portion 6 and the second support mechanism 11 that movably supports the second supported portion 10 of the blade 5 in the X direction as the inside and outside of the building, the second supported portion 10 is tied to the Z direction The upper side is located on one side with respect to the supported portion 6, and is lower in this example, and is located on the outer side of the building 8 or the building with respect to the center of gravity G of the blade 5 in such a manner that the blade 5 is opened and moved based on the opening of its own weight. 9 on the side of the object, in this case, 8 on the outside of the building, the opening and closing device 12 is based on the blade 5 supported by the support mechanisms 7 and 11 When the opening of the weight is open and the movement is closed by the opening of the airflow, the blade 5 is opened and closed by the opening 4; the free member 13 is moved up and down, and is movably mounted to the frame 3 in the Z direction; the operating device 14 is operated up and down. The free member 13 moves up and down; the traction mechanism 15 is coupled to move the free member 13 and the blade 5 up and down, and pulls the blade 5 to the open closed position by moving up and down a certain amount of the upper and lower moving free members 13 when closing the opening 4. And a prohibiting mechanism 18 having a locking member 16 provided on the blade 5 and a locking member 17 provided on the vertical moving free member 13, opening the opening of the blade 5 that is prohibited from being pulled by the traction mechanism 15 to the opening closed position The locking member 17 locks the locked member 16 by moving up and down a certain amount or more of the upper and lower moving free members 13 when the opening 4 is closed.

In Fig. 16, reference numeral 20 denotes a building wall, and reference numeral 21 denotes a sliding window including a glass plate or the like. The sash 2 has an upper frame 22, a lower frame 23, and a pair of vertical frames 24 and 25 connected to each other, and an upright type constant air volume ventilator 1 is provided in the vertical frame 25.

1, 3 and 5 show the state in which the blade 5 is in the closed position of the opening, and Fig. 7 shows the state in which the blade 5 is in the open position of the opening. 2(a) and (b) are enlarged explanatory views of a portion surrounded by a two-dot chain line with symbols E1 and E2 in Figs. 1(a) and (b), respectively, Figs. 4(a) and (b) 3(a) and (b) are enlarged explanatory views of a portion surrounded by a two-dot chain line with symbols E3 and E4, and FIGS. 6(a) and (b) are respectively FIG. 5(a) and (b). b) A magnified explanatory diagram of the portion surrounded by the two-point chain line with symbols E5 and E6, and Figures 8(a) and (b) are symbols E7 and E8 attached to Figures 7(a) and (b), respectively. An enlarged explanatory view of a portion surrounded by a two-dot chain line. The upright type constant air volume ventilator 1 is opened by opening the opening of the blade 5 toward the outer side of the building 8 to open the opening 4 as shown in Fig. 7(b), and the blade 5 is oriented toward the side 9 of the building. The opening is closed to move and the opening 4 is closed as shown in Fig. 5(b).

The frame body 3 includes a plate-shaped body 31 extending in the Z direction, and a plurality of long holes 32 arranged at equal intervals in the Z direction at the center of the plate-shaped body 31 and extending in the Z direction; a pair of grooves 33 and 34, which is disposed in the Y direction which is orthogonal to the X direction and the Z direction, and is provided in the plate-like body 31 via the long hole in the Y direction, and extends in the Z direction; and the mounting portions 36 and 37, The cover plate 35 extending in the Z direction as shown in Figs. 9 and 10 is detachably mounted.

Supporting mechanisms 7 and 11 are disposed on the surface 38 of the plate-like body 31 on the outer side 8 of the building. The operation device 14 is mounted on the surface 39 of the plate-like body 31 on the side 9 of the building, and the grooves 33 and 34 and the mounting portions 36 and 37 are formed, and are moved up and down in the Z direction via the grooves 33 and 34. The vertical movement free member 13 and the locking member 17 are attached to the ground, and the cover plate 35 is attached via the attachment portions 36 and 37.

The long hole 32 is formed in such a manner that the locking member 16 is inserted.

The groove 33 is formed by a surface 39 and a pair of guide walls 41 and 42 which are formed on the surface 39 and project in the Z direction and extend in the Z direction. The groove 34 is formed by the surface 39 and the orientation. The inside of the building 9 is formed to protrude from the surface 39 and is formed in the Z direction by one pair of the guide walls 43 and 44. The respective projecting edges 45 of the inner side 9 of the guide walls 41 and 42 are bent in such a manner as to be close to each other in the Y direction, and the respective projecting edges 46 of the inner side 9 of the guide walls 43 and 44 are used for The Y direction is bent in a manner close to each other.

Each of the mounting portions 36 and 37 includes a surface 39 and mounting plates 47 and 48 which are formed on the surface 39 toward the inside of the building 9 and extend in the Z direction. Between the mounting plates 47 and 48 and the cover plate 35, an elastic body 49 such as rubber is interposed as shown in FIG.

A plurality of vent holes 51 arranged in the Z direction and an opening 52 in which the operating device 14 is disposed are formed on the superposed plate 35.

The blade 5 is provided with: a hollow blade body 55 extending in the Z direction; an upper cover 56 and a lower cover 57 respectively mounted on the upper end and the lower end of the blade body 55; and elastic sealing members 60 and 61 extending in the Z direction and mounted on Each of the edge portions 58 and 59 of the blade body 55 extending in the Z direction on the side 9 of the building, and in contact with the face 38 when the blade 5 is in the open closed position; the elastic sealing members 62 and 63 extending in the Y direction And bridging the upper end and the lower end of each of the elastic sealing members 60 and 61, and contacting the surface 38 when the blade 5 is in the open closed position; and the rainproof members 66 and 67 are respectively attached to the blade body 55 in the Y direction. One of the pair of side faces 64 and 65 facing each other in the Y direction extends in the Z direction and has elasticity.

The support mechanism 7 includes a pair of shaft bodies 71 including a rolling roller or the like attached to the supported portion 6, and a support member 72 attached to the frame body 3 such that the supported portion 6 is opposed to the frame body 3 at the Z The pair of shaft bodies 71 are supported by the lifting and lowering in a freely moving manner in the direction.

The pair of shaft bodies 71 are disposed to face each other in the Y direction, and are respectively fixed to the vane 5 via the bracket 73.

The support member 72 includes a pair of plate-shaped support portions 75 that are fixed to the surface 38 of the plate-shaped body 31 at one end, and protrude from the surface 38 toward the outer side 8 of the building, and are formed with long holes or slits, respectively. In this example, the slit 74 extends in a direction in which the pair of shaft bodies 71 are respectively raised and lowered, and is disposed with each of the pair of shaft bodies 71; and a plate-like bridge portion 76 that bridges a pair The other ends of the support portions 75 each extend in the Y direction.

The support member 72 is formed so as to guide the support portion 6 in the Z direction from the side of the building 9 to the outside of the building 8 side, and is inclined downward from the side of the building 9 toward the outside of the building 8 side. The direction extending guide support surface 77 includes a surface defining a slit 74 formed in the support member 72. The slit 74 extends obliquely downward from the building interior 9 side toward the building exterior 8 side with respect to the vertical line, and the guide support surface 77 also faces from the building interior 9 side toward the building exterior 8 side with respect to the vertical line. It extends obliquely below. The slit 74 guides the support shaft 71 in the Z direction when the opening of the blade 5 is opened and the opening is closed. 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 in the upper and lower portions, and the intermediate portion between the upper portion and the lower portion is opposite to the vertical line from the inside of the building 9 as described above. It extends obliquely downward toward the outer side 8 of the building.

The shaft body 71 is attached to the intermediate portion between the upper portion and the lower portion of the slit 74 as shown in Fig. 14 when the vane 5 is in the open closed position shown in Figs. 1, 3 and 5, and on the other hand, on the vane 5 In the open position shown in Fig. 7, it is located below the slit 74 as shown in Fig. 15.

The support mechanism 11 includes a shaft body 81 including a rolling roller or the like attached to the supported portion 10, and a support member 82 for constructing the supported portion 10 from the side of the building 9 in the X direction. A guide support surface 87 extending in the X direction obliquely downward from the side of the building 9 toward the outside of the building 8 is formed in a manner of guiding the outer side of the building. The shaft body 81 attached to the supported portion 10 is disposed so as to be positioned above the center of gravity 8 of the blade 5 with respect to the center of gravity G of the blade 5 when the blade 5 is in the open 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 the brackets 83, respectively.

The support member 82 includes a pair of plate-shaped support portions 85 that are fixed to the surface 38 of the plate-shaped body 31 at one end, and protrude from the surface 38 toward the outer side 8 of the building, and are respectively formed with long holes or slits. In this example, the slit 84 extends in a direction in which the pair of shaft bodies 81 move in the X direction, and each of the pair of shaft bodies 81 is disposed; and a plate-like bridge portion 86, It bridges the other end of each of the pair of support portions 85 and extends in the Y direction.

The slit 84 extends in the X direction obliquely downward from the building interior 9 side toward the building exterior 8 side with respect to the horizontal line, and the guide support surface 87 including the surface defining the slit 84 also faces the supported portion 10 along the X. The direction is guided from the side 9 of the building to the side 8 of the building, and is extended in the X direction obliquely downward from the side 9 of the building toward the outside of the building 8 with respect to the horizontal line. The slit 84 guides the support shaft 81 in the Z direction when the opening of the blade 5 is opened and the opening is closed.

In this example, the slit 84 and the guide support surface 87 extend in the vertical direction at the end portions of the respective buildings 9 on the side, and extend in the horizontal direction at the end portions of the outer 8 sides of the respective buildings, and The intermediate portion between the both end portions extends in the X direction obliquely downward from the building interior 9 side toward the building exterior 8 side with respect to the horizontal line as described above. Furthermore, the inclination angle of the guide support surface 87 can be gradually increased, for example, from the outer side 8 of the building toward the side 9 of the building. In this case, the guide support surface 87 includes a curved surface.

The shaft body 81 is attached to the inner side 9 of the building in the slit 84 as shown in Fig. 14 when the vane 5 is in the open closed position shown in Figs. 1, 3 and 5, and the vane 5 is shown in Fig. 7. When the opening position is shown, it is located on the outer side 8 of the building in the slit 84 as shown in FIG.

In the present example, the supported portion 10 is disposed such that the blade 5 is located on the same vertical line as the center of gravity G of the blade 5 when the blade 5 is in the open position.

When the blade 5 is in the open position of the opening, the center of gravity G of the blade 5 and the supported portion 10 are respectively located on the same vertical line extending in the Z direction, so that the blade 5 is held stationary by its own weight. The vane 5 in such a stationary state is in a state in which the opening and closing movement can be performed by a small force based on the air flow. Therefore, if the blade 5 generates an opening closing movement from the opening open position based on the air flow, the supported portion 10 moves in the X direction and is located on the outer side 8 of the building with respect to the center of gravity G, and as a result, the blade 5 is applied as a resistance opening. The opening force of the moving force against the moving force is open, and the guiding support surface 87 which is inclined based on the above also generates an opening opening moving force as the above-described anti-moving force. When the opening movement force of the opening is larger than the opening movement force of the opening as the anti-moving force, the blade 5 generates an opening closing movement, and when the opening closing moving force is smaller than the opening opening moving force as the anti-moving force, the blade 5 is generated. When the opening is opened and moved to the open position of the opening, the blade 5 is opened and closed by the opening 4, and the upright type constant air volume ventilator 1 performs the constant air volume exchange between the outside of the building 8 and the inside of the building 9.

When the blade 5 is in the closed position of the opening, the imaginary line (not shown) that connects the supported portion 10 and the center of gravity G is inclined downward from the outside of the building 8 toward the side of the building 9 with respect to the vertical line. As the blade 5 is gradually moved closer to the opening open position by the opening opening movement, it becomes 0 degree when the blade 5 is disposed at the opening open position. When the imaginary line connecting the supported portion 10 and the center of gravity G is inclined downward from the outside of the building 8 toward the side of the building 9 with respect to the vertical line, the blade 5 is given an opening movement force based on its own weight, and is connected. When the inclination angle of the imaginary line of the supported portion 10 and the center of gravity G with respect to the vertical line becomes 0 degrees, the opening opening moving force in the relationship between the position of the support portion 10 and the position of the center of gravity G does not occur.

The traction mechanism 15 is provided with a rocking free member 91 that is relatively oscillatingly mounted in the Z direction with respect to the up and down movement of the free member 13; the link member 92 is allowed to shake The free member 91 and the blade 5 are coupled to each other to connect the rocking free member 91 and the blade 5; and the coil spring 95 as an elastically stretchable member is coupled to the up and down moving free member 13 at one end 93, and the rocking free member 91 at the other end 94. When the rocking free member 91 is relatively moved in the Z direction with respect to the vertical movement of the free member 13, the elastic expansion and contraction in the Z direction occurs.

The rocking free member 91 having an L-shaped plate shape has an elongated hole 96 formed extending in the Z direction, and the long hole 96 is provided with two slide pins 97 provided on the up and down moving free member 13, the rocking free member 91 The movement of the specific amount of the upper and lower moving free members 13 downward in the Z direction by the opening 4 is transmitted to the one end 98 of the long hole 96 via the slide pin 97, thereby causing the up and down movement to open the opening of the blade 5. free.

The rocking free member 91 is attached to the up and down moving free member 13 in such a manner as to move the upper portion of the free member 13 up and down in the Z direction when the opening 4 is closed, and is generated to pass through the link member 92. The blade 5 is pulled to a position above the Z-direction of the closed position of the opening, and on the other hand, when moving above the Z direction by a certain amount or more of the upper and lower movable members 13 when the opening 4 is closed, the movement is moved up and down. The free member 13 is relatively rocked downward in the Z direction, and the upward movement of the upper and lower movable member 13 by a certain amount or more is allowed. The movement of the upper and lower moving free members 13 in the Z direction is transmitted to the rocking free member 91 via the coil springs 95.

The link member 92 includes a link arm 101, a joint portion 102 provided at one end of the link arm 101 and rotatably coupled to the swing free member 91, and the other end of the link arm 101 and via the locked member 16 The connecting portion 103 that is rotatably coupled to the blade 5 forms an elongated hole 105 in the at least one of the connecting portions 102 and 103 so that the rocking free member 91 and the blade 5 are allowed to approach each other. The link arm 101 extends in the longitudinal direction, and a slide pin 104 provided on at least one of the rocking free member 91 and the blade 5, in this example, the rocking free member 91, is disposed to be movable in the longitudinal direction.

The link member 92 allows the slide pin 104 to be elongated in the hole as shown in FIGS. 6 and 8 The sliding movement within the 105, as shown in Figures 5 and 7, can result in an open movement of the blade 5 based on its own weight and a closed movement based on the opening of the air flow.

When the rocking free member 91 is transmitted to move upward in the Z direction by a certain amount of the vertical movement free member 13 and moves upward in the Z direction, the slide pin 104 slides in the long hole 96 to deviate from the joint portion 103. And abutting on the end portion 106 of the long hole 96, and prohibiting a certain amount or more from the connecting portion 103, whereby the link member 92 is rotated while the upward movement of the rocking free member 91 is closed as an opening. The force is transmitted to the blade 5.

The coil spring 95 is disposed so as to move in the Z direction with respect to the up and down movement free member 13 when the rocking free member 91 moves above and below the specific amount of the free member 13 when the rocking free member 91 closes the opening 4 . The lower side is elongated when rocked, thereby generating and increasing the contraction force of the elasticity of the rocking free member 91 in the direction in which the free member 91 is moved up and down. The coil spring 95 is configured to maintain the relative position of the rocking free member 91 in the Z direction with respect to the up and down moving free member 13 by the initial contraction force of the elastic force when moving up and down by a specific amount of the upper and lower movable members 13. .

The prohibiting mechanism 18 has a plurality of locked members 16 and has 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 at equal intervals to each other in the Z direction.

The locked member 16 has a hook portion 112 that is attached to the blade 5 and has the latched recess 111. The locking member 17 includes a fixing portion 113 that is fixed to the vertical movement free member 13 and an abutting portion 114 that is connected to the fixing portion 113 and that moves the free member 13 by a specific amount or more when the opening 4 is closed. The locked concave portion 111 disposed on the hook portion 112 moves up and down to abut against the hook portion 112; and the guiding portion 116 is connected to the abutting portion 114 and is provided to be guided by the groove 34 in the Z direction. Guide wheel fitted to the groove 34 115 is configured to lock the locked member 16 by the abutment of the abutting portion 114 with respect to the hook portion 112.

The front edge 121 of the hook portion 112 connected to the locked concave portion 111 is formed with an inclined edge 122 that extends obliquely upward from the side of the building 9 toward the outside of the building 8.

The fixing portion 113, the abutting portion 114, and the guiding portion 116 are each in a plate shape, and the abutting portion 114 is protruded toward the blade 5 side with respect to the fixing portion 113 and the guiding portion 116 from the fixing portion 113 and the guide portion. The lead portion 116 is bent toward the blade 5 side, and has a folded portion 123 which is formed by folding back the end portion inserted into the locked concave portion 111.

The up-and-down moving free member 13 includes: a body 125 that is L-shaped in plan view and extends in the Z direction; and a guide block 126 that is mounted on the body 125 at intervals in the Z direction and guided by the groove 33 in the Z direction. The groove 33 of the frame 3 is fitted to the frame 3; and the slide pin 97 is provided. The guide blocks 126 are respectively disposed on both sides of the Z-direction of the plurality of locking members 17, and by this arrangement, the slight shaking of the blades 5 that prohibit the opening of the opening by the prohibiting mechanism 18 is lowered.

At the body 125, one end 93 of the coil spring 95 is mounted via a pin 127. Further, in the main body 125, a long hole 129 is formed which extends in the Z direction and is provided with a pin 128 for attaching the other end 94 of the coil spring 95 to the rocking free member 91 so as to be movable in the Z direction.

The operation device 14 includes a rotating body 131 that is rotatably supported by the frame body 3, a transmission member 132 that abuts against the outer periphery of the rotating body 131, and is attached to the body 125 so as to extend in the Z direction, and the rotating body 131 The rotation is transmitted as the up and down moving force to the up and down movement free member 13; and the handle 133 is operated to rotate the operation body 131.

In this example, the rotating body 131 includes a sprocket 134. The transmitting member 132 includes a chain member 135 that is engaged with the sprocket 134 and extends in the Z direction and is disposed on the body 125. The chain 134 and the chain member 135 form a chain chain. For example, the wheel mechanism may include a gear, and the transmission member 132 includes a rack extending in the Z direction and mounted to the body 125, and the rack and pinion mechanism is formed by the gear and the rack.

In the operation device 14, when the sprocket 134 is rotated by the rotation operation of the operation knob 133, the chain member 135 transmits the rotation to the up-and-down movement free member 13 to cause movement below the Z direction, and On the other hand, when the sprocket 134 is rotated by the reverse rotation operation of the operation knob 133, the chain member 135 transmits the reverse rotation to the up-and-down movement free member 13 to cause the movement in the Z direction.

Hereinafter, the opening operation of the opening 4 of the upright type constant air volume ventilator 1 will be described. First, when the blade 5 is in the opening closed position as shown in FIG. 1, the up-and-down moving free member 13 is moved downward with respect to the frame 3 based on the rotation operation of the operation handle 133, and the movement is made to be locked. The member 17 is lowered with respect to the locked member 16, and the abutting portion 114 is pulled out from the locked concave portion 111 as shown in FIGS. 3 and 4, and the locking of the locked member 16 by the locking member 17 is released. Therefore, the prohibition of the opening movement of the opening of the blade 5 by the prohibition mechanism 18 is released. When the above-described downward movement of the free member 13 is moved up and down, the rocking free member 91 relatively moves in the Z direction with respect to the contraction force of the coil spring 95 with respect to the vertical movement of the free member 13, and as a result, no shaking is generated. The member 91 is displaced relative to the Z direction of the frame 3.

In the state shown in FIG. 3 and FIG. 4, the prohibition mechanism 18 is released from the opening of the blade 5, but the slide pin 104 connected to the rocking free member 91 is separated from the connecting portion 103, and In order to abut against the end portion 106 of the long hole 105, a state in which the coupling portion 103 is deviated by a certain amount or more is prohibited, and the rocking free member 91 maintains its position in the Z direction, so that the blade 5 is maintained to be pulled by the traction mechanism 15 to The state of the closed position of the opening.

Next, as shown in FIG. 3 and FIG. 4, in the state in which the prohibition mechanism 18 prohibits the opening of the opening of the blade 5 from being released, the vertical movement free member 13 is moved relative to the frame by the further rotation operation of the operation handle 133. The body 3 is further moved downward, and when the movement is transmitted to the rocking free member 91 via the slide pin 97 as shown in FIG. 6, the rocking free member 91 moves downward together with the up-and-down moving free member 13, and by the movement, the sliding pin The movement of the 104 in the long hole 105 is close to the connecting portion 102, and the link arm 101 is in a state where the tilting is free. As shown in FIGS. 5 and 6, the pulling of the blade 5 by the pulling mechanism 15 is also released. The opening of the opening of the blade 5 is completely released.

As shown in FIG. 5 and FIG. 6, the prohibition mechanism 18 prohibits the opening of the opening of the blade 5 and the traction mechanism 15 releases the blade 5 to the opening closed position, and the supported portion 10 is in the X state. The direction is located on the outer side 8 of the building with respect to the center of gravity G, and the guide support surface 87 is inclined as described above. Therefore, the blade 5 is biased toward the open position of the opening, and the blade 5 starts to open and move. The shaft body 81 is lowered while moving toward the outside of the building 8 along the slit 84 as the supported portion 10 moves toward the outside of the building 8 side.

Since the inclination angle of the imaginary line connecting the supported portion 10 and the center of gravity G with respect to the vertical line gradually decreases as the blade 5 approaches the opening open position, the torque applied to the blade 5 toward the opening open position gradually decreases. When the blade 5 reaches the opening open position shown in FIG. 7 by opening the opening, the supported portion 10 and the center of gravity G are respectively located on the same vertical line, whereby the opening opening force based on the own weight of the blade 5 does not occur. Thereby the blade 5 is stationary at the open position of the opening. Since the torque given to the opening position of the blade 5 toward the opening is gradually reduced as described above, it is possible to prevent the opening 4 from being rapidly opened by the blade 5, and conversely, the opening of the blade 5 from the opening open position toward the open closed position. In the case of the closed movement, since the torque given to the opening position of the blade 5 toward the opening is gradually increased, the opening opening movement force as the anti-moving force against the opening movement of the opening is gradually increased, and as a result, the opening 4 can be prevented from being rapidly formed. Closed.

In this manner, the upright type constant air volume ventilator 1 opens the opening 4.

When the blade 5 is in the open position of the opening as shown in FIGS. 7 and 8 , if the outer side of the building is positively pressed with respect to the blade 5 due to the air flow and the side 9 of the building is a negative pressure, the blade 5 is When the moving force is closed by the opening of the airflow, the flow rate of the gas flowing between the outside of the building 8 and the inside of the building 9 is reduced by closing the moving force based on the opening of the airflow to cause the blade 5 to open and close. On the contrary, if the airflow is relative to the blade 5, the outer side of the building is 8 When the negative pressure is applied and the 9 sides of the building are positive pressure, the blade 5 is given an opening movement force based on the opening of the air flow, and when the opening movement of the blade 5 is performed by the opening movement force of the air flow opening, the outside of the building 8 The flow of gas flowing between the buildings 9 is increased. If the opening opening movement force based on the airflow and the opening closing movement force are not generated, the blade 5 returns to the opening open position and is stationary as described above.

Hereinafter, the closing operation of the opening 4 of the upright type constant air volume ventilator 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 is open and free as shown in FIG. 5, the up-and-down moving free member 13 is opposed to the frame based on the reverse rotation operation of the operating handle 133. The body 3 moves upward, and the rocking free member 91 that transmits the movement via the coil spring 95 also moves upward with respect to the frame body 3, and the sliding pin 104 is caused by the upward movement of the rocking free member 91. When the link arm 101 is tilted in the opposite direction, the blade 5 is pulled toward the open closed position, and when the upper and lower movable member 13 has moved upward by a certain amount, the blade is as shown in FIGS. 3 and 4 5 is placed in the closed position of the opening. When the up-and-down moving member 13 has moved upward by a certain amount with respect to the casing 3, further movement of the rocking free member 91 upward with respect to the casing 3 is prohibited by abutting against the casing 3 or the like.

The traction mechanism 15 is operated based on the upward movement of the upper and lower movable member 13 with respect to the specific amount of the frame 3, and the blade 5 is pulled to the opening closed position as shown in FIGS. 3 and 4, based on the operation. Further, by the reverse rotation operation of the handle 133, the vertical movement free member 13 is further moved upward with respect to the casing 3, and the locking member 17 approaches the locked member 16 by the upward movement of the specific amount or more. The joint portion 114 is inserted into the locked concave portion 111 and abuts against the hook portion 112, whereby the locking member 17 is locked by the locking member 16, so that the blade is in the open closed position as shown in FIGS. 1 and 2 The opening movement of the opening of 5 is prohibited.

The upright type constant air volume ventilating device 1 provided on the window frame 2 of the building according to the present example has a frame 3 attached to the window frame 2 and extending in the Z direction; the blade 5 The opening 4 extending in the Z direction, which is defined by the frame 3, is opened and closed, and the opening and closing device 12 is provided with a support mechanism 7 for supporting the supported portion 6 of the blade 5 to move up and down and moving in the X direction. The support mechanism 11 of the supported portion 10 of the blade 5 is freely supported, the supported portion 10 being located on one side with respect to the supported portion 6 in the Z direction, in this example, above, and so that the blade 5 is generated based on its own weight The opening and opening manner of the opening is located on the outer side 8 of the building or the side 9 of the building with respect to the center of gravity G of the blade 5, in this example, the outer side 8 of the building, and the opening and closing device 12 is supported by the supporting mechanism 7 and 11 when the blade 5 is opened and moved by the opening of the self-weight and closed by the opening of the airflow, the blade 5 is opened and closed by the opening 4; the free member 13 is moved up and down, and is moved up and down to the frame 3; the traction mechanism 15 is The connection moves the free member 13 and the blade 5 up and down, and pulls the blade 5 to the open closed position by moving a certain amount of the upper and lower moving free members 13 when the opening 4 is closed; and the prohibiting mechanism 18 having the blade 5 The locked member 16 and the locking member 17 provided on the vertical movement free member 13 are open to prevent the opening of the blade 5 that is pulled by the traction mechanism 15 to the opening closed position, and the locking member 17 is closed by the opening 4 The specific amount of the up-and-down moving member 13 is moved up and down to lock the locked member 16, so that the blade 5 can be opened and opened based on its own weight, and the airflow from the outer side 8 of the building toward the opening 4 can be performed. Increasing, and resisting the opening movement force based on the opening of the blade 5, the blade 5 is caused to open and close, so that it is not necessary to use a spring or the like for the blade 5 to be in the open position of the opening, even if a change in the air flow occurs. The desired constant air volume ventilation is performed inside and outside the building, and the blade 5 is pulled toward the open closed position by the traction mechanism 15, and the prohibition of the opening movement of the opening of the blade 5 by the prohibiting mechanism 18 is surely performed, and The action of pulling the blade 5 toward the open closed position by the traction mechanism 15 and following the pulling movement can be performed only by moving up and down the free member 13 up and down. After use prohibition means 18 prohibits the opening movement of the opening blade 5 of the interlocking action, so as to be simply and quickly close the opening 4.

Furthermore, in this example, the supported portion 10 is located below the supported portion 6 and is When the blade 5 is in the open closed position, it is located on the outer side 8 of the building with respect to the center of gravity G of the blade 5, but for example, the upright type constant air volume is ventilated in such a manner that the supported portion 10 is positioned above the supported portion 6. In the case of the apparatus 1, the supported portion 10 is located on the side of the building 9 with respect to the center of gravity G of the blade 5 when the blade 5 is in the open position.

1‧‧‧Ventilator

3‧‧‧ frame

5‧‧‧ leaves

6, 10‧‧‧ Supported Department

7, 11‧‧‧Support institutions

8‧‧‧ outside the building

9‧‧‧ inside the building

12‧‧‧Opening and closing devices

13‧‧‧ Moving up and down free components

14‧‧‧Operating device

15‧‧‧ traction mechanism

16‧‧‧Blocked components

17‧‧‧Clocking members

18‧‧‧Prohibited institutions

31‧‧‧ plate body

32‧‧‧ long hole

33‧‧‧ slots

34‧‧‧ slots

36, 37‧‧‧ Installation Department

39‧‧‧ Face

55‧‧‧ blade body

56‧‧‧上盖

57‧‧‧Under the cover

60‧‧‧Elastic sealing member

62, 63‧‧‧Elastic sealing members

66‧‧‧ rainproof components

71‧‧‧Axis body

72‧‧‧Support components

74‧‧‧slit

77‧‧‧Guidance support surface

81‧‧‧Axis

82‧‧‧Support components

84‧‧‧slit

87‧‧‧Guidance support surface

91‧‧‧Shake free components

92‧‧‧Connector components

95‧‧‧Helical spring

96‧‧‧ long hole

97‧‧‧Slide pin

131‧‧‧Rotating body

132‧‧‧Transmission components

134‧‧‧Sprocket

135‧‧‧Chain components

G‧‧‧ center of gravity

X, Y, Z‧‧ Direction

Claims (20)

An upright type constant air volume ventilating device is disposed on a window frame of a building, and includes: a frame body mounted on the window frame and extending in an up and down direction; and a blade disposed in the upper and lower sides by the frame body Opening and closing the opening, and opening and closing the opening; the opening and closing device includes a first supporting mechanism for lifting and supporting the first supported portion of the blade, and a second supported portion that is freely supported to support the blade in the direction of the inside and outside of the building a second supporting mechanism, the second supported portion is located on one side with respect to the first supported portion in the up and down direction, and is located in the building relative to the center of gravity of the blade in such a manner that the blade is opened and moved based on the opening of its own weight The outer side of the object or the inner side of the building, and the opening and closing device opens and closes the opening of the blade based on the opening movement of the self-weight opening of the blade supported by the first and second supporting mechanisms and the opening of the airflow; moving the free member up and down , the upper and lower movements are freely mounted to the frame; the traction mechanism is coupled to move the free member and the blade up and down, and by closing the opening a specific amount of the moving free member is moved up and down to pull the blade to the open closed position; and a prohibiting mechanism includes the locked member disposed on the blade and the locking member disposed on the upper and lower moving free member, and the prohibited mechanism is prohibited The opening of the blade that is pulled to the closed position of the opening is openly moved, and the locking member is locked by the upper and lower movements of the upper and lower movable member when the opening is closed. The upright type constant air volume ventilating device of claim 1, wherein the traction mechanism comprises: a rocking free member that is relatively oscillatingly mounted in an up and down direction with respect to the up and down moving free member; and a link member that allows the rocking member to be shaken And the blades are connected to each other to connect the rocking free member and the blade; and the elastic telescopic member is coupled to the up and down moving free member at one end, and to the rocking free member at the other end, and to move the free member relative to the upper and lower sides while moving the free member. Ground When it is shaken in the up and down direction, it elastically expands and contracts in the up and down direction. An upright type constant air volume ventilating device according to claim 2, wherein the rocking free member is attached to the up and down moving free member in such a manner as to move up and down by a specific amount of the upper and lower moving free members when the opening is closed, to generate The link member pulls the blade to move up and down the closed position of the opening, and on the other hand, when moving up and down a certain amount of the upper and lower moving member when the opening is closed, relatively moves in the up and down direction relative to the upper and lower moving member The upper and lower movement free members are allowed to move up and down by a certain amount or more. The upright type constant air volume ventilator of claim 3, wherein the rocking free member has an elongated hole extending in the up and down direction, and a sliding pin disposed on the up and down moving free member is disposed in the long hole, and the rocking free member is The upper and lower movements are caused in such a manner that the upper and lower movements of the free member are moved up and down via the slide pin to the one end of the long hole. The upright type constant air volume ventilating device according to any one of claims 2 to 4, wherein the link member includes a link arm, a first joint portion provided at one end of the link arm and rotatably coupled to the rocking free member, And a second connecting portion provided at the other end of the link arm and rotatably coupled to the blade, and at least one of the first and second connecting portions is formed to allow the rocking free member and the blade to approach each other The long hole extends in the longitudinal direction of the link arm, and a slide pin provided at least one of the rocking free member and the blade is disposed to be movable in the longitudinal direction. The upright type constant air volume ventilating device according to any one of claims 2 to 5, wherein the elastically stretchable member is disposed in such a manner that the free member is moved up and down by a specific amount or more based on the upper and lower movement members when the opening is closed. Moving and moving relative to the up and down movement of the free member when it is rocked in the up and down direction, resulting in a rocking free member phase The contraction force of the elasticity in the direction in which the free member is moved up and down. The upright type constant air volume ventilating device according to any one of claims 1 to 6, wherein the prohibiting mechanism includes a plurality of locked members, and includes a plurality of locking members corresponding to the plurality of locked members. The upright type constant air volume ventilating device of claim 7, wherein the plurality of locked members are disposed on the blade at equal intervals in the up and down direction, and the plurality of locking members are mutually aligned in the up and down direction. The spacers are spaced apart and moved on the free member. The upright type constant air volume ventilating device according to any one of claims 1 to 8, wherein the latching member includes a hook portion that is attached to the blade and has a locked recess, and the locking member includes a fixed member that is fixed to the upper and lower moving member. a fixing portion and an abutting portion which are connected to the fixing portion and are disposed at a locking concave portion of the hook portion by a specific amount or more of the upper and lower movement free members when the opening is closed, and the hook portion The locking member is configured to lock the locked member by the abutting of the abutting portion with respect to the hook portion. The upright type constant air volume ventilator according to claim 9, wherein an edge of the front end of the hook portion connected to the engaged recess is formed with an inclined edge extending obliquely upward from the inside of the building toward the outside of the building. The upright type constant air volume ventilating device according to claim 9 or 10, wherein the abutting portion of the locking member has a plate shape and has a folded portion formed by folding back an end portion inserted into the engaged concave portion. The upright type constant air volume ventilating device according to any one of claims 9 to 11, wherein the abutting portion of the locking member is bent from the fixing portion toward the blade side so as to protrude toward the blade side with respect to the fixing portion. The upright type constant air volume ventilating device according to any one of claims 1 to 12, wherein the locking member includes a guide roller that is guided in a manner of being guided in the up and down direction The groove is formed in the frame and extends in the up and down direction. The upright type constant air volume ventilating device according to any one of claims 1 to 13, wherein the up-and-down moving free member is fitted to the groove formed in the frame and extending in the up-and-down direction so as to be guided in the up-and-down direction. The upright type constant air volume ventilating device according to any one of claims 1 to 14, further comprising an operating device for operating the upper and lower moving free members to move up and down, and the operating device comprises: a rotating body, the rotation being freely supported by the frame a transmission member that abuts on a periphery of the rotating body and is attached to the upper and lower moving free members so as to extend in the up-and-down direction, and transmits the rotation of the rotating body as an up-and-down moving force to the upper and lower moving free members; and A handle that rotates to operate the rotating body. The upright type constant air volume ventilator of claim 15, wherein the rotating body comprises a sprocket, and the transmitting member comprises a chain member engaged with the sprocket. The upright type constant air volume ventilating device according to any one of claims 1 to 16, wherein the second supported portion of the blade is located below with respect to the first supported portion of the blade, and when the blade is in the open closed position, Located on the outside of the building at the center of gravity of the blade. The upright type constant air volume ventilating device according to any one of claims 1 to 16, wherein the second supported portion of the blade is located above the first supported portion of the blade, and when the blade is in the open closed position, Located on the inside of the building at the center of gravity of the blade. The upright type constant air volume ventilating device according to any one of claims 1 to 18, wherein the second support mechanism is provided with a guiding support surface for guiding the second supported portion of the blade from the inside of the building The manner of guiding support on the outside of the building extends obliquely downward from the inside of the building toward the outside of the building. The upright type constant air volume ventilating device of claim 19, wherein the first support mechanism is provided with a guiding support surface for self-constructing the first supported portion of the blade The manner in which the inner side of the object guides the support to the outside of the building extends obliquely downward from the inner side of the building toward the outer side of the building, and the inclination angle of the guiding support surface of the first supporting mechanism is greater than the inclination angle of the guiding support surface of the second supporting mechanism .