JP2022063591A - Window frame ventilator - Google Patents

Abstract

To provide a window frame ventilator which improves air suction/exhaustion freedom and with which a glass door can be easily closed fully and locked.SOLUTION: A window frame ventilator 10 comprises a ventilator unit 20, a control unit 70 and a bracket 41. When a ventilator body is vertically stacked on the control unit, a single columnar shape is constituted as a whole. The control unit and the ventilator unit respectively include attachment/detachment structures 25a and 73a by which the ventilator unit can be vertically stacked on the control unit in any layout of a first layout that a front face of the ventilator unit is aligned in the same direction with respect to a front face of the control unit and a second layout in which the front face of the ventilator unit is in a reverse direction with respect to the front face of the ventilator unit. Attachment/detachment structures 24 and 29 with respect to the bracket are provided on left and right side faces of the ventilator unit so as to attach the ventilator unit to the bracket in any layout of the first and second layouts.SELECTED DRAWING: Figure 1

Description

The present invention relates to a ventilation fan for a window frame that can be easily attached to and detached from the window frame.

A ventilation fan is used as a device for promoting ventilation in the building. Since it is necessary to provide an opening in the wall member in advance for the ventilation fan, it is difficult to improve the ventilation efficiency after installing the building. A window frame ventilation fan is known as a device for ventilating by attaching a ventilation fan using a window frame fitted in an opening of the building after the building is installed (see, for example, Patent Documents 1 and 2). ..

In the case of a ventilation fan for a window frame, the function is usually only for exhausting air from the room to the outside, but it may also be used as a blower fan for taking in the air outside the room. Such a ventilation fan for a window frame contains a fan, a control board, etc. inside and is quite heavy, so it is firmly attached to the window frame and has a structure that cannot be easily removed once it is installed. .. For this reason, exhaust or intake must be selected at the time of installation.

A glass door or the like is attached to the window frame so that it can be opened and closed by sliding. It cannot be closed.

In the ventilation fan for window frame attached to the above window frame, intake and exhaust cannot be easily switched, and it is firmly attached to the window frame using screws, nuts, etc., and all the glass doors are closed. It was necessary to install a new key so that the glass door could not be opened from the outside even if it could not be opened.

Japanese Unexamined Patent Publication No. 05-280260 Japanese Unexamined Patent Publication No. 10-141726

An object of the present invention is to provide a ventilation fan for a window frame, which has a high degree of freedom in intake and exhaust and can be easily locked by fully closing the glass door.

The window frame ventilation fan according to the embodiment of the present invention includes a ventilation fan main body, a control unit for controlling the ventilation fan main body, and a bracket for installing the ventilation fan main body and the control unit inside the window frame. An operation button for manually operating the operation of the ventilation fan main body is provided on the front surface of the control unit. The ventilation fan main body has a configuration in which air is supplied from the front side and exhausted from the back side. The ventilation fan body has a quadrangular prism shape. The control unit has a rectangular parallelepiped shape or a cube shape whose bottom surface has the same dimensions and the same shape as the ventilation fan body so that the ventilation fan main body forms a single columnar shape as a whole when the ventilation fan main body is vertically stacked on the control unit. .. Either a first layout in which the front surface of the ventilation fan main body is aligned in the same direction with respect to the front surface of the control unit, or a second layout in which the front surface of the ventilation fan body is opposite to the front surface of the ventilation fan body. Even in the layout, the control unit and the ventilation fan main body are provided with a structure for attaching and detaching the ventilation fan main body to and from the control unit so that the ventilation fan main body can be vertically stacked on the control unit. In either of the first layout and the second layout, the ventilation fan main body is provided with a detachable structure for the bracket on each of the left and right side surfaces of the ventilation fan main body so that the ventilation fan main body can be attached to the bracket.

The perspective view which shows the window frame to which the ventilation fan for a window frame which concerns on 1st Embodiment of this invention is attached. FIG. 3 is a perspective view showing a ventilation fan for a window frame and an adjustment unit of FIG. The perspective view which shows the front side of the ventilation fan for a window frame of FIG. The perspective view which shows the back side of the ventilation fan for a window frame of FIG. The perspective view which shows the mounting bracket of the ventilation fan for a window frame of FIG. It is a perspective view which shows the mounting method of the mounting bracket to the ventilation fan for a window frame of FIG. The perspective view which shows the two-dot chain line K of FIG. 6 enlarged. The perspective view which shows the storage state of the ventilation fan for a window frame of FIG. The perspective view which shows the window frame mounting ventilation fan and the mounting bracket which concerns on 2nd Embodiment of this invention. The perspective view which shows the mounting bracket of the ventilation fan for a window frame of FIG. FIG. 9 is a perspective view showing a method of mounting the mounting bracket to the window frame ventilation fan of FIG. 9. The perspective view which shows the window frame which attached the window frame attachment ventilation fan which concerns on 3rd Embodiment of this invention. The perspective view which shows the front side of the ventilation fan for a window frame of FIG. An exploded perspective view showing a window frame-mounted ventilation fan according to a fourth embodiment of the present invention. FIG. 6 is a perspective view showing a joint portion of the ventilation fan for a window frame of FIG. The perspective view which shows the window frame to which the ventilation fan for a window frame which concerns on 5th Embodiment of this invention is attached. The perspective view which shows the ventilation fan for a window frame which concerns on 6th Embodiment of this invention. The perspective view which shows the ventilation fan for a window frame which concerns on 7th Embodiment of this invention.

Hereinafter, the first embodiment of the present invention will be described with reference to FIGS. 1 to 8.
The window frame ventilation fan 10 according to the present embodiment is for installing the ventilation fan main body (ventilation fan unit) 20, the control unit 70 for controlling the ventilation fan unit 20, and the ventilation fan unit 20 and the control unit 70 inside the window frame 110. A bracket 41 is provided.

An operation button 76 for manually operating the operation of the ventilation fan unit 20 is provided on the front surface of the control unit 70. The ventilation fan unit 20 has a configuration in which air is supplied from the front side and exhausted from the back side. By arranging the front side of the ventilation fan unit 20 on the indoor side and the back side on the outdoor side, the indoor air is discharged to the outside. By arranging the back surface of the ventilation fan unit 20 on the indoor side and the front surface on the outdoor side in the opposite direction, outdoor air can be taken into the room, and in the present embodiment, these two types of usage can be easily used. It has a structure that can be switched.

The ventilation fan unit 20 has a quadrangular prism shape, and the control unit 70 has a quadrangular prism shape lower than that of the ventilation fan unit 20, in other words, a rectangular parallelepiped shape or a cube shape whose bottom surface has the same dimensions and the same shape as the ventilation fan body and a low height. have. When the ventilation fan units 20 are vertically stacked on the control unit 70, a single columnar shape is formed as a whole.

The first layout in which the front surface (intake side) of the ventilation fan unit 20 is aligned in the same direction with respect to the front surface equipped with the operation button 76 of the control unit 70, and the front surface of the ventilation fan unit 20 are opposite to the front surface of the ventilation fan unit 20. The ventilation fan unit 20 can be vertically stacked on the control unit 70 in either layout of the second layout in which the front surface of the ventilation fan unit 20 and the back surface (exhaust side) of the ventilation fan unit 20 are in the same direction. As described above, a structure (members 25a and 73a described later) for attaching and detaching the ventilation fan unit 20 to and from the control unit 70 is provided on the control unit 70 and the ventilation fan.

A detachable structure for the bracket 41 on each of the left and right side surfaces of the ventilation fan unit 20 so that the ventilation fan unit 20 can be attached to the bracket 41 in both the first layout and the second layout (members 24 and 29 described later). ) Is provided.

This will be described in detail below.
As shown in FIG. 1, the wall member 100 of the building has an opening 101 that serves as a window. A window frame 110 made of a metal material or the like is fitted in the opening 101. The window frame 110 is configured by combining a vertical member 111 installed in the vertical direction and a horizontal member 112 installed in the horizontal direction in a rectangular shape. A pair of glass doors 120 are fitted in the window frame 110 so as to be movable in the left-right direction. A window key that can be locked in a fully closed state is attached to the pair of glass doors 120.

The window frame ventilation fan 10 can be installed on each of the left and right ends of the window frame 110, or at one end. As shown in FIG. 2, the window frame ventilation fan 10 is composed of a ventilation fan unit 20, a control unit 70 for vertically stacking the ventilation fan unit 20, and a bracket 41 described later. The ventilation fan unit 20 has a vertically long rectangular parallelepiped shape, in other words, a quadrangular prism shape. The control unit 70 has a rectangular parallelepiped or cubic shape. The cross section of the control unit 70 has the same shape and dimensions as the cross section of the ventilation fan unit 20. The cross section of the control unit 70 and the ventilation fan unit 20 is typically square.

The ventilation fan unit 20 is arranged inside the window frame 110 in a state of being connected to the control unit 70. When the total height of the control unit 70 and the ventilation fan unit 20 is shorter than the inner dimension of the window frame 110, a gap is created between them. In that case, one or a plurality of appropriate number of spacer boxes 80 may be connected to the upper part of the ventilation fan unit 20 in order to close the gap. The cross section of the spacer box 80 has the same shape and dimensions as the cross section of the control unit 70 and the ventilation fan unit 20. Spacer boxes 80 of various heights are preferably available and are appropriately combined.

The housing of the ventilation fan unit 20 includes left and right side plates 21, an intake grill plate 22 on the front side, an exhaust grill plate 23 on the back side, a top plate, and a bottom plate. The fan unit 30 is housed inside the housing of the ventilation fan unit 20. The intake grill plate 22 and the exhaust grill plate 23 are formed with a large number of holes and slits to facilitate the passage of air. Each of the both side plates 21 is provided with a shallow groove portion (detachable member (female) 24) along the depth direction. The width of the groove portion 24 is narrowed from the bottom surface side toward the opening side, and is formed in a tapered shape. A linear protrusion (detachable member (male)) 29 of the slide plate 44 of the mounting bracket 40, which will be described later, is inserted into the groove portion 24. The linear protrusion 29 of the slide plate 44 has a cross-sectional shape with a reverse taper so as to match the groove portion 24. As a result, when the groove 24 is inserted into the linear protrusion of the slide plate 44 of the mounting bracket 40, the ventilation fan unit 20 is mounted on the mounting bracket 40 together with the control unit 70 and the spacer box 80. When the groove 24 is pulled out from the linear protrusion of the slide plate 44 of the mounting bracket 40, the ventilation fan unit 20 can be removed from the mounting bracket 40 together with the control unit 70 and the spacer box 80.

A groove portion (hereinafter referred to as a concave slide portion) 25a is formed on the bottom surface 25 of the ventilation fan unit 20, and a linear protrusion (hereinafter referred to as a convex slide portion) 26a is formed on the upper surface 26. The concave slide portion 25a is formed from the intake grill plate 22 side (front side) to the exhaust grill plate 23 side with the same width and the same depth, and the convex slide portion of another member (for example, the convex slide portion described later). With respect to 73a), it is regulated to be able to reciprocate in the front-back direction and to move in the up-down direction. The convex slide portion 26a is formed to have the same width and the same depth from the intake grill plate 22 side (front side) to the exhaust grill plate 23 side (rear side), and the concave slide portion of another member (for example, described later). The concave slide portion 82a) can be reciprocated in the front-rear direction and is restricted from moving in the up-down direction.

The mounting bracket 40 includes a fixed sheet metal (fixing member) 41 fixed to the vertical member 111 and a rotating sheet metal (rotating member) 42. The fixed sheet metal 41 and the rotating sheet metal 42 are rotatably attached by a rotating shaft 43 in the vertical direction. A slide plate 44 is attached to the rotating sheet metal 42.

The slide plate 44 is inserted into the groove portion 24 described above from the intake grill plate 22 or the exhaust grill plate 23 side, and only the movement in the vertical direction is restricted and is not fixed.

The housing of the control unit 70 has a rectangular parallelepiped or cubic shape, and houses a control board for controlling the fan unit 30 inside. The operation button 76 is equipped on the front. The control unit 70 has left and right side plates 71. A concave slide portion 72a is formed on the bottom surface 72 of the control unit 70, and a convex slide portion 73a is formed on the upper surface 73. The concave slide portion 72a is formed to have the same width and the same depth from the front side to the back side, and can reciprocate in the front-rear direction with respect to the convex slide portion of another member, and is restricted from moving in the vertical direction. It is formed so that it can be locked with. The convex slide portion 73a is formed to have the same width and the same depth from the front side to the back side, and can reciprocate in the front-rear direction with respect to the concave slide portion of another member, and is restricted from moving in the vertical direction. It is formed so that it can be locked with.

The control unit 70 is provided with an operation button 76 on the front side. The operation buttons 76 are arranged so that the indoor side and the back portion 75 are the outdoor side.

The spacer box 80 is composed of a rectangular parallelepiped housing, and is hollow and does not contain anything inside. The whole may be formed of a lightweight resin material or the like. The two spacer boxes 80 shown in FIG. 3 have the same configuration.

The spacer box 80 has left and right side plates 81. A concave slide portion 82a is formed on the bottom surface 82 of the spacer box 80, and a convex slide portion 83a is formed on the upper surface 83. The concave slide portion 82a is formed to have the same width and the same depth from the front side to the back side, and can reciprocate in the front-rear direction with respect to the convex slide portion of another member, and is restricted from moving in the vertical direction. It is formed so that it can be locked with. The convex slide portion 83a is formed to have the same width and the same depth from the front side to the back side, and can reciprocate in the front-rear direction with respect to the concave slide portion of another member, and is restricted from moving in the vertical direction. It is formed so that it can be locked with.

The window frame ventilation fan 10 configured in this way is used as follows. First, a method of attaching the window frame ventilation fan 10 to the window frame 110 will be described. That is, the ventilation fan unit 20 is vertically stacked on the control unit 70. The convex slide portion 73a of the control unit 70 is slid and fixed to the concave slide portion 25a of the ventilation fan unit 20 so as to be locked.

Similarly, the spacer box 80 is loaded on the upper surface 26 of the ventilation fan unit 20. The concave slide portion 82a of the spacer box 80 is slid and attached to the convex slide portion 26a of the ventilation fan unit 20 so as to be locked. The spacer box 80 is mounted in a number sufficient to fill the difference between the height dimension of the ventilation fan unit 20 and the control unit 70 and the height dimension of the vertical member 111 of the window frame 110.

Next, as shown in FIG. 5, the rotating sheet metal 42 is rotated so as to be at a right angle with respect to the fixed sheet metal 41 fixed to the vertical member 111 of the window frame 110. Next, as shown in FIGS. 6 and 7, the linear protrusion 29 of the slide plate 44 is inserted into the groove portion 24 and locked. As a result, as shown in FIG. 1, the window frame ventilation fan 10 is attached to the window frame 110. The intake grill plate 22 and the intake grill 23 may be arranged in the opposite direction, and may be set according to the needs of the user. If the intake grill plate 22 is directed to the indoor side and the intake grill 23 surface is directed to the outdoor side, outdoor air can be taken into the room, and if the intake grill plate 22 is directed to the outdoor side and the intake grill 23 surface is directed to the indoor side. , The indoor air can be exhausted to the outside.

As shown in FIG. 1, in the left and right window frame ventilation fans 10, by reversing the arrangement of the intake grill plate 22 and the intake grill 23 surface, intake and exhaust can be performed at the same time, and indoor ventilation can be efficiently performed. It can be carried out.

Next, a method of accommodating the window frame ventilation fan 10 when not in use will be described. The glass door 120 is opened a little, and the mounting bracket 40 is mounted on the ventilation fan unit 20 and rotated around the rotation shaft 43. That is, as shown in FIG. 8, the entire window frame ventilation fan 10 rotates in the direction of the arrow R and can move to the indoor side. As a result, the window frame ventilation fan 10 can be removed from the window frame 110, the glass door 120 can be fully closed, and the existing key can be used for locking.

As described above, according to the window frame ventilation fan according to the present embodiment, the intake and the exhaust can be switched only by changing the direction of the ventilation fan unit 20. As shown in FIG. 1, if ventilation fans for window frames are installed for intake and exhaust respectively, the ventilation efficiency in the room is improved. At this time, the air flow can be controlled by changing the positions for intake and exhaust.

Further, if the spacer box 80 is installed according to the height dimension of the window frame 110, the ventilation fan unit 20 and the control unit 70 can be installed even if the height direction dimensions of the window frame 110 and the ventilation fan unit 20 are different. It is possible to close an opening that is not installed. Further, since the ventilation fan unit 20 and the control unit 70 are separate units and can be assembled by changing the front-rear direction, the operation button 76 can always be directed to the indoor side, which facilitates handling.

Further, when not in use, the glass door or the like can be closed to the original position by storing it inside the room, and it is not necessary to install a key or the like again.

Next, a second embodiment of the present invention will be described with reference to FIGS. 9 to 11. In these figures, the same functional parts as those in FIGS. 1 to 8 are designated by the same reference numerals, and the description thereof will be omitted.

In FIG. 9, the mounting bracket 50 is used instead of the mounting bracket 40 described above. As shown in FIG. 10, the mounting bracket 50 has a fitting member 51 having a U-shaped cross section fitted to the vertical member 111 of the window frame 110, and a plate-shaped engagement member integrally attached to the fitting member 51. It is provided with a stop 52. The locked portion 52 is provided with a linear protrusion 29 to be inserted into the groove portion 24 of the ventilation fan unit 20 in the same manner as the slide plate 44 described above.

In such a mounting bracket 50, the fitting member 51 is fitted into the vertical member 111, and the linear protrusion of the locked portion 52 is inserted into the groove portion 24 of the ventilation fan unit 20. According to such a mounting bracket 50, the same effect as that of the window frame ventilation fan 10 described above can be obtained, and unlike the mounting bracket 40, it is not necessary to screw the vertical member 111, the wall member 100, or the like. It will be easier to install in rental housing.

Next, a third embodiment of the present invention will be described with reference to FIGS. 12 and 13. In these figures, the same functional parts as those in FIGS. 1 to 11 are designated by the same reference numerals, and the description thereof will be omitted.

As shown in FIG. 12, the window frame ventilation fan 10A has two ventilation fan units 20 in the vertical direction. The two ventilation fan units 20 are integrated by sliding the convex slide portion 26a of the lower ventilation fan unit 20 to the concave slide portion 25a of the upper ventilation fan unit 20. The same effect as the above-mentioned window frame ventilation fan 10 can be obtained, and if the upper ventilation fan unit 20 is installed so as to be an intake air and the lower ventilation fan unit 20 is installed so as to be an exhaust gas, the window frame ventilation fan 10A can be installed in one place. You can perform intake and exhaust just by doing.

Next, a fourth embodiment of the present invention will be described with reference to FIGS. 14 and 15. In these figures, the same functional parts as those in FIGS. 1 to 13 are designated by the same reference numerals, and the description thereof will be omitted.

The ventilation fan unit 20, the control unit 70, and the spacer box 80 described above were integrated by slide coupling, but may be rotationally coupled as shown in FIGS. 14 and 15. Specifically, as shown in FIG. 15, the ventilation fan units 20 are connected to each other, and the protrusion 27a provided on the bottom surface 27 of the upper ventilation fan unit 20 is provided on the upper surface 28 of the lower ventilation fan unit 20. It is integrated by inserting it into the concave groove 28a and rotating it about an axis in the vertical direction. Since the coupling method between the units is independent as described above, the slide coupling and the rotational coupling may be combined. The same effect as that of the window frame ventilation fan 10 described above can be obtained.

Next, a fifth embodiment of the present invention will be described with reference to FIG. In these figures, the same functional parts as those in FIGS. 1 to 15 are designated by the same reference numerals, and the description thereof will be omitted.

As shown in FIG. 16, when two ventilation fan units 20 are used, the spacer box 80 may be incorporated between the two ventilation fan units 20. Depending on the usage method and the ventilation state of the user, it may be better to separate the two ventilation fan units 20 from each other. In this way, if the mutual coupling method is configured by unifying the slide coupling or the rotary coupling, the installation order of the ventilation fan unit 20, the control unit 70, and the spacer box 80 can be arbitrarily changed. The same effect as that of the window frame ventilation fan 10 described above can be obtained.

Next, a sixth embodiment of the present invention will be described with reference to FIG. In these figures, the same functional parts as those in FIGS. 1 to 16 are designated by the same reference numerals, and the description thereof will be omitted.

The window frame ventilation fan 10B is provided with a structure for vertically stacking a plurality of, for example, three ventilation fan units 20 in a detachable manner. The ventilation fan units 20 are connected to each other by the slide connection or the rotation connection described above. The same effect as that of the window frame ventilation fan 10 described above can be obtained, and intake and exhaust can be executed only by installing the window frame ventilation fan 10B in one place.

Next, a seventh embodiment of the present invention will be described with reference to FIG. In these figures, the same functional parts as those in FIGS. 1 to 17 are designated by the same reference numerals, and the description thereof will be omitted.

The window frame ventilation fan 10C has a large number of ventilation fan units 20 in the vertical direction. The ventilation fan units 20 are connected to each other by the slide connection or the rotation connection described above. The same effect as the above-mentioned window frame ventilation fan 10 can be obtained, the ventilation fan unit 20 becomes smaller, and the intake and exhaust can be dispersed by alternately installing the intake and the exhaust as needed. It can create a softer air flow and achieve natural ventilation.

The above-mentioned fan is a propeller fan having a rotation axis in the horizontal direction, but a shaft cross fan having a rotation axis in the vertical direction or another type of fan may be used. Further, although the mounting bracket is mounted on the window frame 110, it may be mounted on the wall member 100. Further, for the connection between the mounting bracket and the ventilation fan unit, a bearing or a locking mechanism may be added. In addition, although the left-right opening glass door has been described, the vertically-opening glass door can be similarly used if the position to be attached to the window frame is the horizontal member of the window frame or the wall member near the horizontal member.

It should be noted that the present invention is not limited to the above embodiment, and at the implementation stage, it can be variously modified in an area that does not deviate from the gist. In addition, each embodiment may be carried out in combination as appropriate, in which case the combined effect can be obtained. Further, the above-described embodiment includes various inventions, and various inventions can be extracted by a combination selected from a plurality of disclosed constituent requirements. For example, even if some constituent elements are deleted from all the constituent elements shown in the embodiment, if the problem can be solved and the effect is obtained, the configuration in which the constituent elements are deleted can be extracted as an invention.

10, 10A, 10B, 10C ... Ventilation fan for window frame, 20 ... Ventilation fan unit, 21 ... Side plate, 22 ... Intake grill plate, 23 ... Intake grill plate, 24 ... Groove, 25 ... Bottom, 25a ... Concave slide part, 26 ... Top surface, 26a ... Convex slide part, 27 ... Bottom surface, 27a ... Projection part, 28 ... Top surface, 28a ... Concave groove, 29 ... Strand projection, 30 ... Fan unit, 40 ... Mounting bracket, 41 ... Fixed sheet metal (fixing member) ), 42 ... Rotating sheet metal (rotating member), 43 ... Rotating shaft, 44 ... Slide plate, 50 ... Mounting bracket, 51 ... Fitting member, 52 ... Locked part, 70 ... Control unit, 71 ... Side plate , 72 ... bottom surface, 72a ... concave slide part, 73 ... top surface, 73a ... convex slide part, 75 ... back part, 76 ... operation button, 80 ... spacer box, 81 ... side plate, 82 ... bottom surface, 82a ... concave slide part , 83 ... top surface, 83a ... convex slide portion, 100 ... wall member, 101 ... opening, 110 ... window frame, 111 ... vertical member, 112 ... horizontal member, 120 ... glass door.

The window frame ventilation fan according to the embodiment of the present invention includes a ventilation fan main body, a control unit for controlling the ventilation fan main body, and a bracket for installing the ventilation fan main body and the control unit inside the window frame. An operation button for manually operating the operation of the ventilation fan main body is provided on the front surface of the control unit. The ventilation fan main body has a configuration in which air is supplied from the front side and exhausted from the back side. The ventilation fan body has a quadrangular prism shape. The control unit has a rectangular parallelepiped shape or a cube shape whose bottom surface has the same dimensions and the same shape as the ventilation fan body so that the ventilation fan main body forms a single columnar shape as a whole when the ventilation fan main body is vertically stacked on the control unit. .. Either a first layout in which the front surface of the ventilation fan body is aligned with the front surface of the control unit in the same direction, or a second layout in which the front surface of the ventilation fan body is opposite to the front surface of the control unit . Even in the layout, the control unit and the ventilation fan main body are provided with a structure for attaching and detaching the ventilation fan main body to and from the control unit so that the ventilation fan main body can be vertically stacked on the control unit. In either of the first layout and the second layout, the ventilation fan main body is provided with a detachable structure for the bracket on each of the left and right side surfaces of the ventilation fan main body so that the ventilation fan main body can be attached to the bracket.

The first layout in which the front surface (intake side) of the ventilation fan unit 20 is aligned in the same direction with respect to the front surface equipped with the operation button 76 of the control unit 70 , and the front surface of the ventilation fan unit 20 are opposite to the front surface of the control unit 70. The ventilation fan unit 20 can be vertically stacked on the control unit 70 in either layout of the second layout in which the front surface of the control unit 70 and the back surface (exhaust side) of the ventilation fan unit 20 are in the same direction. As described above, a structure (members 25a and 73a described later) for attaching and detaching the ventilation fan unit 20 to and from the control unit 70 is provided in the control unit 70 and the ventilation fan 20 .

Claims (5)

Ventilation fan body and
The control unit that controls the ventilation fan body and
A bracket for installing the ventilation fan main body and the control unit inside the window frame is provided.
The front of the control unit is equipped with an operation button for manually operating the operation of the ventilation fan main body.
The ventilation fan body has a configuration in which air is supplied from the front side and exhausted from the back side.
The ventilation fan body has a quadrangular prism shape and has a square pillar shape.
The control unit has a rectangular parallelepiped shape or a cube shape whose bottom surface has the same dimensions and the same shape as the ventilation fan body so that the ventilation fan main body forms a single columnar shape as a whole when the ventilation fan main body is vertically stacked on the control unit. death,
Either a first layout in which the front surface of the ventilation fan body is aligned in the same direction with respect to the front surface of the control unit, or a second layout in which the front surface of the ventilation fan body is opposite to the front surface of the ventilation fan body. Even in the layout, the control unit and the ventilation fan main body are provided with a structure for attaching and detaching the ventilation fan main body to and from the control unit so that the ventilation fan main body can be vertically stacked on the control unit.
A window provided with a detachable structure for the bracket on each of the left and right side surfaces of the ventilation fan body so that the ventilation fan main body can be attached to the bracket in either the first layout and the second layout. Ventilation fan for frame. The window frame ventilation fan according to claim 1, wherein the bracket is provided with a hinge for rotating the ventilation fan main body together with the control unit and removing the ventilation fan body from the window frame. The ventilation fan for a window frame according to claim 1, wherein the bracket has a U-shaped cross section fitted to the window frame, and is removed from the window frame together with the ventilation fan main body and the control unit. The ventilation fan for a window frame according to claim 1, wherein a structure for vertically stacking other ventilation fan main bodies is provided on the upper surface of the ventilation fan main body. The window frame ventilation fan according to claim 1, further comprising a spacer box that is detachably vertically stacked on the upper surface of the ventilation fan body and for closing a gap between the upper surface of the ventilation fan body and the window frame.

Images