JP2005273256A - Ventilating device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an inexpensive ventilating device for adjusting an air quantity according to the wind force in a simple and compact structure. <P>SOLUTION: In the ventilating device 1, a frame body 5 has, on its inner circumferential side, an interior-side opening part 19, an exterior-side opening part 21, and a ventilation space 23 communicating with the interior-side opening part 19 and the exterior-side opening part 21. An opposite part 34 positioned on a rotary locus of an air quantity controlling panel 7 and opposite to a movable end 7a of the controlling plate 7 is mounted on a vertical frame or a lateral frame arranged in parallel to a vertical axis or a lateral axis of the controlling plate 7. The movement of the movable end 7a of the controlling plate 7 toward the opposite part 34 of the frame body 5 is restrained by the force of a plurality of elastic bodies 9, 35 in incremental force stages as the movable end 7a comes closer to the opposite part 34 of the frame body. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a ventilation device.

  Patent Document 1 discloses a ventilator in which an air volume adjusting plate is slidable indoors and outdoors in the expected width of the frame, and in this conventional ventilator, when the outdoor wind force is strong, The air volume adjusting plate is pushed by the wind and moves indoors, so that the air flow path formed between the air volume adjusting plate and the frame is narrowed to reduce the air volume flowing into the room. It is disclosed.

JP 2001-20632 A

However, in the technique disclosed in Patent Document 1 described above, the air volume adjusting plate receives the wind force and slides inside the frame body, but processing for sliding the air volume adjusting plate with a small wind force is difficult. In particular, when the wind force is small, it is necessary to slide slightly, and when the wind force is large, it is necessary to slide large, but it is difficult to adjust the sliding amount of the air volume adjusting plate according to the wind force, which increases the cost. There was a problem of becoming.
Therefore, an object of the present invention is to provide an inexpensive ventilation device that can adjust the air volume according to the wind force with a simple and compact structure.

  The invention according to claim 1 includes a frame, an air volume adjusting plate that is rotatably provided on the frame by a vertical axis or a horizontal axis within an expected width of the frame, and a plurality of elastic bodies. A vertical frame that has an indoor side opening, an outdoor side opening, a ventilation space that communicates with the indoor side opening and the outdoor side opening on the inner peripheral side, The horizontal frame is provided with a facing portion that is located on the rotation trajectory of the air volume adjusting plate and faces the movable end of the air volume adjusting plate. The movable end of the air volume adjusting plate moves the frame body toward the facing portion. It is characterized by being suppressed with a strong force step by step by a plurality of elastic bodies as it approaches the opposite part of.

  According to a second aspect of the present invention, in the first aspect of the invention, the air volume adjusting plate is rotatably supported at one end and the other end as a movable end, and the opposing portion is provided on the indoor side of the frame body. It is an indoor side wall which protrudes to the inner peripheral side, and the movable end of the air volume adjusting plate has a stronger force for suppressing movement as it rotates toward the indoor side.

  The invention according to claim 3 is the invention according to claim 2, further comprising a closing body that can freely open and close the indoor side opening, and the closing body is attached to a vertical frame or a horizontal frame on the movable end side of the air flow adjusting plate. It is a worn door.

In the first aspect of the present invention, when the air volume adjusting plate receives wind, the air volume adjusting plate rotates about the axis, and the movable end of the air volume adjusting plate moves toward the opposite portion of the frame, narrowing the ventilation path. Reduce the amount of air passing through. When the air volume adjusting plate moves in the direction of narrowing the ventilation path, the wind force received by the air volume adjusting plate increases accordingly, but the movable end of the air volume adjusting plate moves to the opposite side of the frame body, Since it is suppressed by a strong force step by step with a plurality of elastic bodies as it approaches, the air volume adjusting plate can take a balanced position according to the wind force and can adjust the air volume according to the wind force. In particular, it is easy to ensure a constant air volume even when the wind is strong.
As the movable end of the air volume adjusting plate gets closer to the opposing part, the force that suppresses the movement of the movable end is strengthened to adjust the rotational position of the air volume adjusting plate. Therefore, it is possible to adjust the air volume with a simple structure and to manufacture at a low cost.
The frame body is provided with a portion facing the movable end of the air volume adjusting plate, and the air volume adjusting plate is accommodated within the expected width of the frame body, and the movable end of the air volume adjusting plate moves toward the facing portion as it approaches the facing portion. Since the rotation is suppressed by increasing the force to suppress the ventilation, the ventilation device can be made a simple and compact structure.

  The invention according to claim 2 has the same effect as that of the invention according to claim 1, and has one end of the air volume adjusting plate as a rotation axis and the other end as a movable end, and between the movable end and the opposed portion. Since the air volume is adjusted by forming the ventilation path, compared with the case where the ventilation path is formed on both sides of the air volume adjustment plate, the adjustment of the air flow volume on the air volume adjustment plate is only required on one side, and manufacturing is easy. Can be manufactured at low cost.

  In the invention according to the third aspect, the same effect as the invention according to the second aspect is obtained, and since the closing body pivotally attached to the frame is provided in the indoor opening, the closing body is opened by a predetermined amount. Thus, the direction of the wind blown into the room can be adjusted, and the flow of the wind can be made smooth.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, the first embodiment of the present invention will be described with reference to FIGS. 1 to 3. 1 is a cross-sectional view taken along line AA of FIG. 3, FIG. 2 is a cross-sectional view taken along line BB of FIG. 1, and FIG. 3 is a front view of a sash provided with a ventilation device according to the present embodiment as viewed from the indoor side. FIG. 2 shows the closed body 10 in the closed position, but FIG. 1 shows the closed body 10 in an open state.
The ventilation device 1 according to the present embodiment is provided in the height direction next to the sliding sash 3 (right side when viewed from the indoor side) and has the same height as the sash 3.
The ventilation device 1 is intended to ventilate a room, and includes a frame 5, an air volume adjusting plate 7 provided within an expected width of the frame 5, one elastic body 9, the other elastic body 35, and a closed body. 10.
The frame 5 includes an upper frame 11, a lower frame 13, a left vertical frame (left when viewed from the indoor side) 15, and a right vertical frame (left when viewed from the indoor side) 17. Note that the left vertical frame 15 is the sash 3 orientation. The frame 5 is formed with an indoor side opening 19, an outdoor side opening 21, and a ventilation space 23 that communicates the indoor side opening 19 and the outdoor side opening 21.
A lower bearing 25 that receives a shaft (rotating shaft) 29 of an air volume adjusting plate 29 is attached to the lower part of the left vertical frame 15 on the indoor side, and an upper bearing 27 is attached to the upper part of the left vertical frame on the indoor side. The lower bearing 25 is formed with a mortar-shaped recess 39 for receiving the sharp lower end of the rotating shaft 29, and the upper bearing 27 is formed with a through hole 41 into which the upper end of the rotating shaft 29 is inserted.
The right vertical frame 17 is formed with an inner peripheral wall 31 having an arc-shaped cross section on the inner peripheral side, and the wind flowing in the ventilation space 23 flows along the arc-shaped inner peripheral wall 31. Further, a facing portion 34 facing the movable end 7a of the air volume adjusting plate 7 is provided on the indoor side of the right vertical frame 17, and the facing portion 34 is located on the rotation trajectory of the movable end, so Due to the rotation, the movable end 7a approaches the facing portion 34, and the ventilation path 32 is narrowed.
A screen door 37 is attached to the outdoor opening 21 of the frame 5. Further, the frame body 5 is provided with a mounting portion 45 for the blind plate 42. In this embodiment, the mounting portion 45 is provided on the lower frame 13, and the blind plate 42 is mounted on the lower portion of the frame body 5.
The air volume adjusting plate 7 is provided with the above-described vertical rotating shaft 29 at one end, and the other end 7 a is a movable end, and is rotatable around the rotating shaft 29.
The air volume adjusting plate 7 is provided with an arcuate guide surface 43, the guide surface 43 is formed to project toward the outdoor side, and the wind received by the guide surface 43 is arcuate inner peripheral wall 31. Guided towards.
One elastic body 9 is a tension coil spring, and is configured to increase the urging force in the contraction direction in proportion to the amount of extension, and has one end 9a fixed to the outdoor side of the right vertical frame 17 and the other end 9b. Is fixed to the movable end 7 a of the air volume adjusting plate 7. One elastic body 9 increases the biasing force in a direction away from the facing portion 34 as the movable end 7a of the air volume adjusting plate 7 approaches the facing portion 34 of the frame 5.
The other elastic body 35 is a compression coil spring, and is adapted to increase the urging force in the extending direction in proportion to the amount of contraction, and is provided at the facing portion 34 with the movable end side 7 as a free end. The other elastic body 35 has a free end that receives the movable end 7a when the movable end 7a of the air volume adjusting plate 7 rotates beyond a predetermined amount, and the movable end 7a is opposed to the other elastic body 9 together. The force which suppresses the movement to the part 34 side is strengthened.
The closing body 10 is provided on the indoor side of the frame 5 so that the indoor opening 19 can be opened and closed. The closing body 10 is a door having one end pivotally attached to the right vertical frame 17, and an opening angle regulating member 47 is provided on the rotating shaft side of the closing body 10 to restrict the closing body 10 from opening more than a predetermined angle. ing. The opening angle restricting member 47 is provided with a locking portion 49, which is locked to the locked portion 51 of the closing body 10 so as not to open more than a certain angle when it is opened a predetermined angle.

Next, the operation and effect of the ventilator 1 according to the present embodiment will be described.
When outside air is blown into the ventilation device 1, the outside air is introduced into the room through the outdoor opening 21, the ventilation space 23, and the indoor opening 19. The outdoor air introduced into the ventilation space 23 from the outdoor opening 21 flows in a curved manner along the guide surface 43 of the air volume adjusting plate 7 and is guided to the curved inner peripheral wall 31 of the frame body 5. 19 is introduced into the room.
The wind flowing through the ventilation space 23 flows smoothly because it is guided by the curved guide surface 43 of the wind power adjusting plate 7 and the curved inner peripheral wall 31 of the frame 5.
The wind introduced into the room through the indoor side opening 19 is guided by the closing body 10 opened by a predetermined angle and flows into the room toward the left vertical frame 15 side. As described above, since the wind blown into the room is guided in the room by the closing body 10, a smooth wind flow can be obtained.
On the other hand, when the wind pressure of the outside air introduced from the outdoor side opening 21 increases, the air volume adjusting plate 7 receives the wind pressure of the outside air and rotates around the rotation shaft 29, and the movable end 7 a moves to the indoor-side facing portion 34. When approaching and narrowing the ventilation path 32, one elastic body 9 expands and the urging force gradually increases, and the other elastic body 35 comes into contact with the other elastic body 35 and moves in a direction to compress and contract, so the movable end 7a. The two urging forces of one elastic body 9 and the other elastic body 35 act on the two to increase the force that suppresses the movement of the movable end 7a. It is kept in a position where it can be balanced with the biasing force.
In this manner, the movable end 7a of the air flow adjusting plate 7 is prevented from moving toward the movable end 7a by the one elastic body 9 and the other elastic body 35 as the movable section 7a moves closer to the facing section 34. Since the force to increase is increased step by step, a constant amount of air can be secured even when the wind is strong.
According to the present embodiment, the elastic body 9 increases the force that suppresses the movement of the movable end 7a toward the facing portion as the movable end 7a of the air volume adjusting plate 7 approaches the facing portion 34, and Since the rotational position is adjusted, there is no need to adjust the sliding of the air volume adjusting plate 7 as in the prior art, and the air volume can be adjusted with a simple structure and can be manufactured at low cost. .
The frame body 7 is provided with a portion 34 facing the movable end 7a of the air volume adjusting plate 7. The air volume adjusting plate 7 is accommodated within the expected width of the frame body 7, and the elastic body 9 suppresses the rotation of the air volume adjusting plate 7. Therefore, the ventilation apparatus 1 can be made a simple and compact structure.
Since one end of the air volume adjusting plate 7 is the rotation shaft 29 and the other end is the movable end 7a, and the air flow path 32 is formed between the movable end 7a and the facing portion 34, the air volume is adjusted. Compared to the case where the air passages are formed on both sides, the adjustment of the air passage is sufficient on one side, so that the manufacture is easy and can be manufactured at low cost.
Since the indoor opening 19 is provided with the closing body 10 pivotally attached to the frame 5, the direction of the air blown into the room can be adjusted by opening the closing body 10 to a predetermined position, and the flow of the air blown into the room Can be smooth.
The air volume adjusting plate 7 is attached to the frame 5 because the rotating shaft 29 is inserted into the through hole 41 of the upper bearing 27 and the recess 39 of the lower bearing 25 receives the lower end of the rotating shaft 29. Since the rotary shaft 29 can be attached, it can be easily attached and detached, so that it can be easily attached and detached during maintenance. Further, since the concave portion 39 of the lower bearing 25 receives the pointed lower end of the rotating shaft 29, the friction between the lower bearing 25 and the rotating shaft 29 can be reduced, and the air volume can be adjusted by rotating even in the case of light wind power. be able to.
Further, one elastic body 9 is merely engaged with the frame 5 and the air volume adjusting plate 7, and the other elastic body 35 is provided at the opposing portion 34 and has the air volume adjusting plate side as a free end. The plate 7 can be easily attached and detached, and the maintenance work is also easy in this respect.
Since the frame body 5 is provided with the mounting portion 45 of the blind plate 42, even when the frame body 5 having a different size according to the height of the sash is used, the air volume adjusting plate 7 having the same size can also be used. it can.
Next, other embodiments will be described. In the following description, the same reference numerals are given to portions having the same functions and effects as those of the above-described embodiments, and detailed description thereof is omitted. Then, differences from the above-described embodiment will be mainly described.
A second embodiment will be described with reference to FIGS. 4 is a cross-sectional view taken along the line CC of FIG. 6, FIG. 5 is a cross-sectional view taken along the line EE of FIG. 4, and FIG. 3 shows the sash 3 with the ventilator 1 according to the second embodiment from the indoor side. FIG. 5 shows the closed body 10 in a closed state, but FIG. 4 shows the closed body in an opened state.
In 2nd Embodiment, the ventilation apparatus 1 is provided in the upper part of the sash 3, and the left-right direction, the rotating shaft 29 of the air volume adjusting plate 7 is arrange | positioned horizontally, and the air volume adjusting plate 7 rotates the horizontal axis periphery. This is different from the first embodiment described above. The elastic body 9 is attached to the movable end 7 a of the air volume adjusting plate and the lower frame 13, and a facing portion 34 is provided on the indoor side of the lower frame 13. The closing body 10 is pivotally attached to the lower frame 13 and pivots in the vertical direction to open and close the indoor opening 19.
In the second embodiment, one bearing 53 and the other bearing 55 that receive the rotation shaft 29 are each provided with a through hole 57, and both ends of the rotation shaft 29 are inserted into the respective through holes 57.
In the second embodiment, since the blind plate 42 and the mounting portion 45 are not provided, the same effects as those of the first embodiment described above can be obtained except for this point.
A third embodiment will be described with reference to FIGS. The ventilator 1 according to the third embodiment is a vertical ventilator similar to that of the first embodiment shown in FIG. 3, and FIG. 7 is a cross-sectional view cut at the same position as the AA cross-sectional view of FIG. FIG. 8 is a sectional view taken along line FF in FIG.
In the ventilator 1 according to the third embodiment, movable ends 7a, 7a are provided on both sides of the air volume adjusting plate 7, and the rotary shaft 29 is provided in the center between the movable ends 7a, 7a. Ventilation paths 32, 32 are formed on both sides.
Moreover, the rotating shaft 29 is provided in the approximate center of the ventilation space 23, the opposing portions 34a and 34b are provided on the inner peripheral sides of the left and right vertical frames 15 and 17, respectively, and one opposing portion 34a faces the outdoor side. The other facing portion 34b faces the indoor side and faces each movable end 7a, 7a. And the other elastic body 35 is arrange | positioned in one opposing part 34a.
Also in the third embodiment, as in the first embodiment described above, the closer the movable ends 7a, 7a of the air volume adjusting plate 7 are to the opposing portions 34a, 34b, respectively, the closer to the opposing portion side of the movable ends 7a. Since the force to suppress the movement is strengthened and the rotational position of the air volume adjusting plate 7 is balanced, there is no need to adjust the sliding of the air volume adjusting plate as in the prior art, and the air volume can be adjusted with a simple structure. It can be adjusted and can be manufactured at low cost.
Further, the frame 5 is provided with a facing portion 34 facing the movable end of the air volume adjusting plate 7 in the ventilation space 23, and the air volume adjusting plate 7 is accommodated within the expected width of the frame 5, and the elastic body 9 is used for the air volume adjusting plate. Since the rotation is suppressed, the structure is simple and compact.

The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the present invention.
One elastic body 9 and the other elastic body 35 are respectively used as compression coil springs, and the air volume adjusting plate 7 includes one elastic body 9 and the other elastic body having different heights between the movable end 7a and the opposed portion 34. 35 is arranged, and the movable end a comes in contact with the movable end sequentially from the coil spring having a height as the movable end 7a approaches the facing portion 34, and the movement of the movable end is strongly suppressed as the moving portion 7a approaches the facing portion 34. May be.
One elastic body 9 and the other elastic body 35 are not limited to coil springs, and rubber materials may be used, and the type of elastic body is not limited.
The one elastic body 9 is not limited to be provided between the movable end 7a of the air volume adjusting plate 7 and the frame body 5, but is provided on the rotating shaft 29 to be twisted by the rotation of the air volume adjusting plate 7 to increase the urging force. The attachment position of one elastic body 9 is not limited. The attachment position of the other elastic body 35 is not limited to being provided on the facing portion 34 and receiving the movable end 7a, but may be one that receives the shaft side of the wind power adjusting plate 7, and the attachment position is not limited.
The ventilator according to the third embodiment may be provided on the sash 3 in the horizontal direction as in the second embodiment, and the rotational axis of the air volume adjusting plate 7 may be arranged in the horizontal direction.
In the first embodiment, the blind plate 42 and its attachment portion 43 may be provided on the upper frame 11 instead of the lower frame 13, or may be provided on both the upper frame 11 and the lower frame 13. Moreover, you may provide the blind plate 42 and its attaching part 43 in any one or both of the left-right vertical frames 15 and 17 in 2nd Embodiment.

It is AA sectional drawing of FIG. It is BB sectional drawing of FIG. It is the front view which looked at the sash which attached the ventilator concerning 1st Embodiment from the room inner side. It is CC sectional drawing of FIG. It is EE sectional drawing of FIG. It is the front view which looked at the sash which attached the ventilator concerning 2nd Embodiment from the room inner side. It is a figure of the ventilator concerning 3rd Embodiment, and is sectional drawing cut | disconnected in the same position as AA sectional drawing of FIG. It is FF sectional drawing of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Ventilator 5 Frame body 7 Air volume adjusting plate 7a Movable end 9 One elastic body 10 Closure body 19 Indoor side opening part 21 Outdoor side opening part 23 Ventilation space 29 Axis (rotating shaft)
35 The other elastic body

Claims (3)

  A frame body, an air volume adjusting plate provided on the frame body by a vertical axis or a horizontal axis within an expected width of the frame body, and a plurality of elastic bodies, and the frame body has an indoor opening on the inner peripheral side. And an outdoor opening, a ventilation space communicating with the indoor opening and the outdoor opening, and the vertical or horizontal frame parallel to the vertical or horizontal axis of the air volume adjusting plate rotates the air volume adjusting plate. There is an opposing portion located on the trajectory and facing the movable end of the air volume adjusting plate, and the movable end of the air volume adjusting plate moves toward the opposing portion side of the frame body as the moving portion approaches the opposing portion of the frame body. A ventilator characterized by being suppressed by a strong force step by step with an elastic body.   The air volume adjusting plate is pivotally supported at one end and has the other end as a movable end. The opposing portion is an indoor side wall provided on the indoor side of the frame body and protruding toward the inner peripheral side, and the air volume adjusting plate is movable. The ventilation apparatus according to claim 1, wherein the end has a stronger force to suppress movement as it rotates indoors. The ventilator according to claim 2, further comprising a closing body that can open and close the indoor side opening, and the closing body is a door pivotally attached to a vertical frame or a horizontal frame on the movable end side of the air flow adjusting plate. .

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