JP4797268B2 - Ventilation equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a ventilation device that is attached to a ventilation opening at the upper part of a room in a building, particularly a detached house or an apartment house.
[0002]
[Problems to be solved by the invention]
Due to the improved airtightness of recent detached houses or apartment houses, if the ventilation is not done properly, the room temperature rises easily and mites are easily generated, and the concentration of carbon dioxide gas There is a risk that the rise will cause harmful effects on the human body. From this point of view, when a ventilating opening is provided in the upper part of the outer wall of each room or in the window sash, and a ventilation mechanism comprising a shutter and a fan composed of a plurality of opening and closing plates is provided in this ventilation opening, for forced ventilation If the fan is rotated with the shutter open, and natural ventilation is performed, the fan is stopped with the shutter open, and if neither forced ventilation nor natural ventilation is performed, the shutter is It has been proposed to stop the rotation of the fan in the closed state.
[0003]
By the way, in the shutter of such a ventilation mechanism, the airtightness (sealing property) of the overlapping portions of the opening and closing plates cannot be so high in the closed state, and either natural ventilation or forced ventilation in the open state is possible. It is an obstacle to the air flow and does not efficiently generate the air flow.
[0004]
The present invention has been made in view of the above points, and its object is to improve airtightness and to efficiently generate an air flow in both natural ventilation and forced ventilation. It is to provide a ventilator that can be used.
[0005]
[Means for Solving the Problems]
The ventilator according to the first aspect of the present invention has frame means for defining a passage communicating inside and outside the room, and a cylindrical body that is rotatably arranged in the passage of the frame means and has a pair of openings. A passage opening / closing means, a blade means rotatably disposed in the cylinder body of the passage opening / closing means, a rotation means for opening / closing the passage for rotating the cylinder body to open / close the passage by the cylinder body, and a blade means Rotating means for generating a forced air flow for rotating the blade means to generate a forced air flow in the passage.
[0006]
In the ventilator of the first aspect, since a cylindrical body having a pair of openings is used as a shutter, there is no occurrence of an overlapping portion thereof, and thus airtightness can be improved, By rotating the cylinder so that the opening of the cylinder faces the passage, the cylinder does not get in the way, so either natural ventilation when the blade means is not rotated or forced ventilation when the blade means is rotated Can also efficiently generate an air flow in the passage.
[0007]
In the ventilator of the second aspect of the present invention, in the ventilator of the first aspect, the frame means has a pair of side walls and a pair of horizontally long members bridging the pair of side walls, Each of the pair of horizontally long members is provided with a horizontally long seal member, and the cylindrical body includes a protrusion that abuts each of the horizontally long seal members when the passage is closed, and a cylindrical portion in which the pair of openings are formed. And a pair of closing portions that close both end surfaces of the cylindrical portion, and a side end seal member is interposed between the side wall portion and the closing portion facing the side wall portion. The seal member is in slidable contact with at least one of the side wall portion and the closing portion.
[0008]
According to the ventilation device of the second aspect, the closed state of the passage having higher airtightness is obtained by the contact between the horizontally long seal member and the protrusion and the contact between the closed portion and the side end seal member. Therefore, it is possible to reliably prevent unintentional outside air, dust from entering the room from outside the room, and discharge of air at the same temperature from the unintended room to the outside.
[0009]
The side end seal member may be slidably brought into contact with at least one of the side wall portion and the closed portion, but is slidably brought into contact with the closed portion on one side, It is more preferable to adhere to the side wall portion in this way because good airtightness can be obtained with a simple configuration.
[0010]
In the ventilator according to the third aspect of the present invention, in the ventilator according to the second aspect, the passage opening / closing means has a hollow shaft member fixed to the closing portion and protruding from the side wall portion to the outside of the frame means. The blade means includes a blade member, and a shaft member to which the blade member is attached and a cylindrical hollow shaft member that is rotatable with respect to the hollow shaft member. The rotating means for opening and closing the passage includes an electric motor having an output rotating shaft, and a gear mechanism for transmitting the rotation of the output rotating shaft of the electric motor to a portion protruding outside the frame means of the hollow shaft member; The rotating means for generating a forced air flow includes an output rotating shaft connected to the shaft member of the blade means that passes through the hollow shaft member of the passage opening / closing means and protrudes outside from the hollow shaft member And rotating the shaft member of the blade means That are equipped with electric motor, the electric motor of the electric motor and the rotation means of the forced air flow for generating the rotating means for channel opening and closing, they are juxtaposed to each other.
[0011]
In the ventilating apparatus as in the third aspect, the shaft member of the passage opening / closing means and the shaft member of the blade means are arranged concentrically, and the respective electric motors of the both rotation means for opening and closing the passage and for generating the forced air flow are provided. Are arranged in parallel to each other, the rotating means for opening and closing the passage and for generating the forced air flow can be installed with a small space, and can be configured extremely small.
[0012]
A ventilator according to a fourth aspect of the present invention further includes a restricting means for restricting rotation of the cylindrical body in the ventilator according to the third aspect, wherein the restricting means is provided around the hollow shaft member. And a fixing member that is fixedly disposed on the fixing member and a hollow shaft member, and an engaging means that engages with each other when the passage is opened and closed by the cylindrical body.
[0013]
According to the ventilator of the fourth aspect, since the rotation of the cylindrical body is restricted by the restricting means, the protrusion is horizontally long without being affected by the inertia of the electric motor for opening and closing the passage. Thus, it is possible to cause the elastic seal member to be appropriately elastically deformed so as to be brought into contact with the seal member, thereby eliminating problems such as breakage of the protrusion and generation of a gap between the protrusion and the horizontally long seal member.
[0014]
In the ventilator of the fourth aspect, the engaging means is constituted by a notch or groove provided in the fixing member and a protrusion provided in the notch or groove while being provided in the hollow shaft member. Alternatively, it may be constituted by a protrusion provided on the fixing member and a notch or groove provided on the hollow shaft member and provided with the protrusion. It is only necessary that the hollow shaft members be engaged with each other so as to restrict the rotation of the shaft member beyond a certain level.
[0015]
In the ventilator of the fifth aspect of the present invention, in the ventilator of the fourth aspect, the shaft member of the blade means extends through the fixing member so as to be rotatable with respect to the fixing member.
[0016]
According to the ventilator of the fifth aspect, since the shaft member of the blade means extends through the fixed member, the output rotation shaft of the electric motor that rotates the blade means is directly connected to the shaft member of the blade means. And the mechanism is extremely simple.
[0017]
The rotating means for opening and closing the passage in the present invention may be configured to include an electric motor or the like that generates a rotational force for rotating the cylindrical body, but instead of or together with this, the cylindrical body is manually rotated. A rotational force may be generated, and the operation of at least one of the rotation means for opening and closing the passage and the forced air flow generation is controlled remotely or automatically using a computer or the like. It may be. In this case, at least one of sensors such as temperature, humidity, wind speed, and carbon dioxide gas may be attached in the room, outdoors, etc., and the program control may be performed based on a signal from the sensor.
[0018]
The ventilator of the present invention is used by being installed in an opening in the upper part of a wall of a building, for example, a detached house or an apartment house, preferably a detached house. In this case, one end of the passage is directly in the room. It does not have to be open to the outside, especially outdoors, but may be open to an air passage in a building that communicates with the outside, and the other end of the passage is the same and needs to be open directly into the room Instead, it may be open to an air passage in the building communicating with the room.
[0019]
Next, the present invention and its embodiments will be described in more detail based on preferred examples shown in the drawings. The present invention is not limited to these examples.
[0020]
DETAILED DESCRIPTION OF THE INVENTION
1 to 3, the ventilator 1 of this example is arranged in a frame means 5 that defines a passage 4 that communicates the inside and outside of the room 2 and 3, and a passage 4 of the frame means 5 that is freely rotatable in the A and B directions. In this example, passage opening / closing means 9 having a cylindrical body 8 having a pair of openings 6 and 7 facing each other, and blade means 10 arranged in the cylindrical body 8 so as to be rotatable in the A and B directions. In order to cause the cylindrical body 8 to open and close the passage 4, a passage opening / closing rotating means 11 for rotating the cylindrical body 8 in the A and B directions and a blade means 10 to generate a forced air flow in the passage 4. , A rotating means 12 for generating forced airflow for rotating the blade means 10 in the A direction, and a regulating means 13 for restricting the rotation of the cylindrical body 8 in a certain direction in the A and B directions.
[0021]
The frame means 5 has a pair of left and right rectangular side wall portions 21 and 22 and a pair of upper and lower hollow horizontal members 23 and 24 that bridge the pair of side wall portions 21 and 22. Each of the side wall portions 21 and 22 is fixed to each of the horizontally long members 23 and 24 with screws or bolts with the side end seal members 25 and 26 made of an elastic material such as rubber in between. A support plate 29 is fixed to the outer surface of the portion 21.
[0022]
The pair of horizontally long members 23 and 24 are fitted with horizontally long seal members 27 and 28 made of an elastic material such as rubber so as to closely contact the side end seal members 25 and 26 at both ends. Is provided.
[0023]
The cylindrical body 8 is in contact with the seal members 27 and 28 in the closed state of the passage 4 (the state shown in FIG. 2), and is formed with protrusions 31 and 32 arranged on one edge of the openings 6 and 7, and the openings 6 and 7. A cylindrical portion 33 and a pair of disk-like closed portions 34 and 35 which close both left and right end surfaces of the cylindrical portion 33 and are fixed to both end surfaces of the cylindrical portion 33 by screws or welding, etc. The passage opening / closing means 9 having such a cylindrical body 8 is fixed to the closing portions 34 and 35 and hollow shaft members 36 and 37 that pass through the seal members 25 and 26 so as to be rotatable in the A and B directions. The cylindrical body 8 has an A on each of the side wall portions 21 and 22 through the shaft members 36 and 37 and the bearings 38 and 39 that rotatably support the shaft members 36 and 37, respectively. And supported in a freely rotating direction. There. One of the shaft members 36 and 37 projects from the side wall portion 22 to the outside of the frame means 5.
[0024]
The side end seal members 25 and 26 fixed to the corresponding side wall portions 21 and 22 on one side respectively correspond to the corresponding side wall portions 21 and 22, the closing portions 34 and 35 facing the side wall portions 21 and 22, and the horizontally long members. The blocking portions 34 and 35 are respectively in contact with the corresponding side end seal members 25 and 26 so as to be slidable in the A and B directions.
[0025]
The blade means 10 includes three blade members 41 arranged at equal angles in the rotational direction, the blade member 41 is attached, and the closed portions 34 and 35 of the cylindrical body 8 and the hollow shaft members 36 and 37 are arranged as A. And a shaft member 42 which is rotatable in the B direction and penetrated therethrough. The shaft member 42 is rotatably supported in the A and B directions at one end 46 by a support plate 29 via a bearing 43 and at the other end 61 by a support member 44 via a bearing 45.
[0026]
The passage opening / closing rotating means 11 includes an electric motor 51 and a gear mechanism 53 that transmits the rotation of the output rotation shaft 55 of the electric motor 51 to a portion 52 of the hollow shaft member 37 protruding outside the frame means 5. The gear mechanism 53 includes a small-diameter gear 56 attached to the output rotation shaft 55 of the electric motor 51, and a large-diameter gear 57 that meshes with the gear 56 and is attached to the portion 52. .
[0027]
The rotating means 11 rotates the output rotation shaft 55 by the operation of the electric motor 51, and decelerates and rotates the shaft member 37 via the gears 56 and 57, thereby rotating the cylindrical body 8 in the A or B direction. It has become.
[0028]
The rotating means 12 for generating a forced air flow is connected to the other end 61 of the shaft member 42 of the blade means 10 that passes through the hollow shaft member 37 and protrudes outside from the hollow shaft member 37 via a connector 62. And an electric motor 64 for rotating the shaft member 42 of the blade means 10.
[0029]
The rotating means 12 rotates the output rotating shaft 63 by the operation of the electric motor 64 to rotate the shaft member 42 via the coupler 62, thereby rotating the blade means 10 in the A direction.
[0030]
In this example, the electric motor 51 of the rotating means 11 for opening and closing the passage and the electric motor 64 of the rotating means 12 for generating forced airflow are supported by a support member 72 attached to the base 71 and juxtaposed with each other. Yes. The side wall 22 of the frame means 5 is attached to the base 71, and the support member 44 is attached to the support member 72.
[0031]
The restricting means 13 is provided in the substantially circular fixing member 75, and the fixing member 75 and the portion 52 of the hollow shaft member 37, and engaging means 76 that engage with each other when the passage 4 is opened and closed by the cylindrical body 8. It is equipped with.
[0032]
The engaging means 76 includes an arc-shaped notch 77 formed in the fixing member 75, and a protrusion 78 formed integrally with the part 52 and disposed in the notch 77. The fixing member 75 is fixed to the support member 72, thereby being fixedly arranged around the portion 52 of the hollow shaft member 37. The other end 61 of the shaft member 42 extends through the fixing member 75 so as to be rotatable in the A and B directions with respect to the fixing member 75.
[0033]
When the cylindrical body 8 is rotated in the B direction by the electric motor 51 and the openings 6 and 7 all face the passage 4 and the passage 4 is opened as shown in FIG. Abuts against the surface 79 of the fixing member 75 defining one end of the notch 77 to prevent further rotation of the portion 52 of the shaft member 37 in the B direction. Similarly, the cylindrical body 8 is moved in the A direction by the electric motor 51. 2, all of the openings 6 and 7 are removed from the position facing the passage 4 as shown in FIG. 2, and the protrusions 31 and 32 cause appropriate elastic deformation of the seal members 27 and 28, so that the seal member 27 and 28, when the passage 4 is closed, the projection 78 comes into contact with the surface 80 of the fixing member 75 that defines the other end of the notch 77, and further in the B direction of the portion 52 of the shaft member 37. It is designed to prevent rotation.
[0034]
In the ventilator 1 described above, in the open state of the passage 4 shown in FIG. 4, a natural air flow is generated in the passage 4 based on the pressure difference between the inside and outside 2 and 3, and the inside 2 of the room is naturally ventilated. When the electric motor 64 is operated in the open state of the passage 4 and the blade means 10 is rotated in the direction A, a forced air flow is generated in the passage 4 even when no atmospheric pressure difference between the inside and outside 2 and 3 occurs. 2 is forced-ventilated. Then, when the electric motor 51 is operated in the open state of the passage 4 shown in FIG. 4 and the cylindrical body 8 is rotated in the direction A to close the passage 4 shown in FIG. Blowing of strong wind or the like into the room is prevented, and discharge of the appropriate temperature air from the room 2 to the outdoor part 3 is prevented.
[0035]
And in the ventilator 1, since the cylindrical body 8 having a pair of openings 6 and 7 is used as a shutter, there is no overlap of itself, and thus the airtightness can be improved, By rotating the cylindrical body 8 so that the pair of openings 6 and 7 face the passage 4, the cylindrical body 8 does not get in the way, and therefore the natural ventilation and the blade means 10 when the blade means 10 is not rotated In any case of forced ventilation during rotation, an air flow can be efficiently generated in the passage 4.
[0036]
Further, according to the ventilating apparatus 1, higher due to the contact between the horizontally long seal members 27 and 28 and the protrusions 31 and 32 and the contact between the blocking portions 34 and 35 and the side end seal members 25 and 26. The closed state of the passage 4 having airtightness can be obtained, and thus, unintentional outside air, dust intrusion into the room 2 and air at the same temperature from the unintentional room 2 to the outdoor 3 Can be reliably prevented. The closing portions 34 and 35 do not give large resistance to the rotation of the cylindrical body 8 in the A and B directions, so that the side end sealing members 25 and 26 do not elastically deform so much. It is good to be in contact with 26.
[0037]
In addition, in the ventilation device 1, the shaft members 36 and 37 and the shaft member 42 are concentrically arranged, and the electric motor 51 and the electric motor 64 are juxtaposed with each other. Both rotating means 11 and 12 can be installed with a small space, and can be made extremely small.
[0038]
In addition, in the ventilator 1, the rotation of the cylindrical body 8 is restricted by the restriction means 13, so that the protrusion 31 is not affected by the inertia of the output rotation shaft 55 of the electric motor 51. And 32 can be brought into contact with the horizontally long seal members 27 and 28 by appropriately elastically deforming, and the protrusions 31 and 32 are broken, and the gaps between the protrusions 31 and 32 and the horizontally long seal members 27 and 28 Inconveniences such as the occurrence of such can be eliminated.
[0039]
In the ventilator 1, since the shaft member 42 of the blade means 10 extends through the fixing member 75, the output rotation shaft of the electric motor 64 that causes the shaft member 42 of the blade means 10 to rotate the blade means 10. 63 can be directly connected, and the mechanism can be extremely simplified.
[0040]
The electric motor 51 does not need to be operated so that the passage 4 is fully opened or fully closed, and may be operated so that the passage 4 is half open (half closed). Further, forced ventilation may be performed by rotating the blade means 10 in the half-open state of the passage 4.
[0041]
【The invention's effect】
According to the present invention, it is possible to provide a ventilator capable of improving airtightness and efficiently generating an air flow in both cases of natural ventilation and forced ventilation.
[Brief description of the drawings]
FIG. 1 is a preferred example of an embodiment of the present invention, and is a cross-sectional view taken along line II in FIG.
2 is a cross-sectional view taken along the line II-II of the example shown in FIG.
FIG. 3 is a partial explanatory diagram of the example shown in FIG. 1;
4 is an operation explanatory diagram of the example shown in FIG. 1. FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Ventilator 2 Inside room 3 Outside room 4 Passage 5 Frame means 6, 7 Opening 9 Passage opening / closing means 10 Blade means 11 Rotating means 12 for opening / closing passage 12

Claims (4)

Frame means defining a passage communicating between the inside and outside of the room, passage opening / closing means having a cylindrical body rotatably arranged in the passage of the frame means and having a pair of openings, and inside the cylinder of the passage opening / closing means Rotating blade means, rotating means for opening / closing the passage for rotating the cylinder, and blades for generating a forced air flow in the passage by the blade means. Rotating means for generating forced air flow for rotating the means, and the frame means has a pair of side walls and a pair of horizontally long members bridging the pair of side walls. Each of the horizontally long members is provided with a horizontally long seal member, and the cylindrical body includes a protrusion that abuts each of the horizontally long seal members when the passage is closed, and a cylindrical portion in which the pair of openings are formed. A pair of occlusions that occlude both end faces of the cylindrical part A side end seal member is interposed between the side wall portion and the closing portion facing the side wall portion, and the side end seal member is at least of the side wall portion and the closing portion. A ventilation device that is slidably in contact with one side . The passage opening / closing means has a hollow shaft member that is fixed to the closing portion and protrudes from the side wall portion to the outside of the frame means. A hollow shaft member of a cylindrical body and a shaft member that is rotatable with respect to the hollow shaft member, and a rotating means for opening and closing the passage includes an electric motor having an output rotation shaft, A gear mechanism that transmits the rotation of the output rotation shaft of the electric motor to a portion of the hollow shaft member that protrudes to the outside of the frame means. And an output motor shaft that is connected to the shaft member of the blade means that protrudes outside from the hollow shaft member and has an electric motor that rotates the shaft member of the blade means. , An electric motor for rotating means for opening and closing the passage The electric motor of the rotating means for braking the air flow generating ventilation apparatus of claim 1 being juxtaposed to one another. It further has a restricting means for restricting the rotation of the cylindrical body, and the restricting means is provided on a fixing member fixedly arranged around the hollow shaft member, and on the fixing member and the hollow shaft member. The ventilator according to claim 2, further comprising engaging means that engage with each other when the passage is opened and closed by the cylindrical body. The ventilation device according to claim 3, wherein the shaft member of the blade means extends through the fixing member so as to be rotatable with respect to the fixing member.

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