KR102197205B1 - Ventilation device - Google Patents

Abstract

The present invention provides a ventilation device capable of preventing an unauthorized inflow of mosquitoes (insects) and pollutants from the outside by selectively opening and closing a ventilation space through which indoor air is discharged to the outside. The ventilation device comprises: a ventilation body having the ventilation space through which the interior and the exterior are penetrated, and installed in a facility; and a ventilation fan arranged in the ventilation space and rotated by a rotation force generated in a ventilation motor to form a ventilation pressure for air in the ventilation space, wherein the ventilation motor is driven by selectively receiving the power of a power supply part to generate the rotation force. The ventilation fan comprises: a fan body axially coupled to a rotation shaft of the ventilation motor to rotate in the same direction; and a plurality of fan blades axially coupled to the outer surface of the fan body through a central shaft to rotate forward and backward, and radially arranged around the fan body with the same size while both ends face each other in a plane. The fan blades form the ventilation pressure for air when having an inclination angle with respect to the fan body. Both ends of other fan blades adjacent to each other while being spread from the fan body are in contact with each other to be connected, thereby closing the ventilation space.

Description

Ventilation device {Ventilation device}

The present invention relates to a ventilating device configured to ventilate by discharging indoor air to the outside, and more particularly, to selectively open and close the ventilating space through which indoor air is discharged to the outside to prevent mosquitoes (insects) and pollution from the outside. The present invention relates to a ventilating device configured to form a clean and safe indoor environment by preventing unauthorized inflow of substances.

In general, ventilation devices such as plastic houses, bathrooms, food storage rooms, wine warehouses, etc., which are designed to vent air by exhausting indoor air to the outside, are mainly arranged on the indoor ceiling to provide indoor air through exhaust ducts installed on the indoor ceiling. Is forced to exhaust.

Such a ventilating device includes a body having an intake port for inhaling indoor air by being fixed to an indoor ceiling or wall, and an exhaust port spatially connected to the exhaust duct to exhaust, and is built into the main body and generates rotational force by being supplied with power. It includes a ventilating fan that rotates through the rotational force of the motor and sucks indoor air through the inlet and then pumps it out through the exhaust port.

In the above, a suction grill having a plurality of through holes is installed at the suction port, and a damper is installed at the discharge port to open and close the space according to whether air pressure exhausted when the fan is driven.

In such a ventilation device, contaminated air in the vicinity is sucked through the suction grill by suction force and discharge output of the ventilation fan generated at the same time as the ventilation fan built in the main body is rotated, and the contaminated air is sucked. In the process of being discharged through the discharge port and the damper by the discharge output, the indoor ventilation is performed.

In Korean Utility Model Application No. 20-2004-0018796 (name: Ventilator/2004.07.02.), as known in the publication, it is buried in the wall and/or ceiling of a building to inhale indoor air to As a ventilator that discharges into the building, it has both ends open to the inside and outside of the building, both ends are formed through, and is formed in a shape that is recessed in the bottom of the bottom open toward the inside of the building, and is sucked indoor air. The casing scroll is provided on one side of the casing scroll and is provided on one side of the casing scroll, and includes a guide surface that is the inner side of the casing scroll from the open bottom to the outlet and an outlet formed to open toward the outside of the building, and the interior of the casing scroll. A drive motor that generates rotational force on the rotational shaft by receiving power, and a flat plate that is mounted on the rotational shaft of the driving motor to inhale and discharge indoor air while rotating by the rotational force, and has an insertion hole into which the rotational shaft of the driving motor is inserted. It includes a rotating member including a plurality of rotating blades in which a first end is mounted on a bottom surface of the lower plate and the lower plate of the shape, and each rotating blade has a first region adjacent to the rotating shaft in a direction opposite to the rotation direction of the rotating member. A ventilating fan is described that is formed of a deflecting blade that is bent toward the direction, and the second region, which is an external region of the first region, is formed of a deflecting blade that is bent toward the rotation direction of the rotating member.

And in Korean Patent Application No. 10-2004-7011274 (name: Ventilator with detachable front cover/2003.01.17.), as known in the publication, an edge is formed at the end of the suction side and the edge is formed. In a ventilator having a detachable front cover of a type comprising an electric motor, a fan, a regulator, and a control means built-in in a cylindrical case in which the front cover is assembled, the electric motor is supported in the support case. It is disposed in a housing made of a cup member positioned above the cylindrical part of the case, and the housing is held in the cylindrical part of the support case by a plurality of circular arc-shaped radial protrusions in the form of vanes to prevent access to the movable part. , The front cover is provided with fixing elements for fixing the front cover to the rim so as to be fixed and detachable with respect to the rim of the support case, and the fixing elements correspond to each hole formed in the rim of the support case. It is composed of a plurality of lugs protruding from the side, the housing is integrally hinged to the outside of the rim of the support case and a ventilation fan that is opened and closed by a hinge cover provided with an open spring.

On the other hand, in Korean Patent Application No. 10-2013-0011778 (name: ceiling fan/2013.02.21.), as known in the publication, a motor; A fan rotated by the motor; In the ceiling ventilator including the motor and the fan inside, and consisting of a casing provided with an air inlet and an outlet, respectively, the casing is configured as an integral type including a spiral tube, and the outlet is integrally formed on one side wall thereof However, a duct equipped with a bell mouse is coupled to the upper portion thereof, and a ventilating fan with a front panel provided with an air intake port is coupled to the duct.

In addition, in Korean Patent Application No. 10-2013-0105463 (name: Ventilator/2013.09.03.), as known in the publication, it forms the upper side of the bell mouth opening and has a spiral cylindrical shape having an air outlet at one end. A fan scroll case including an upper fan scroll case part and a lower fan scroll case part which forms a lower side of the bell mouth opening and has an open lower end; A rotating fan mounted in the upper fan scroll case; A driving motor that is mounted so as to extend vertically within the opening of the bell mouth at a distance from the opening end of the bell mouth to drive the rotating fan; A flat plate portion with a bolt fastening through hole formed in the center and at least one air inlet formed therein, and a cylindrical portion slidably coupled to the cylinder of the lower fan scroll case by protruding perpendicular to the plate portion from the upper surface of the plate portion. Having a lower blocking case; And one end is mounted in the center of the bottom of the drive motor, the free end is made of a bolt extending through a through hole for fastening bolts of the lower blocking case and a nut fastened to the free end of the bolt, for the lower scroll case A ventilation fan comprising; coupling means for the lower blocking case is disclosed.

However, in the conventional ventilation devices as described above, the ventilation space through which the indoor air is discharged to the outside is kept open, so that the indoor air environment is damaged, as well as the mosquito, There is a problem of lack of safety such as harmful insects such as flies infiltrate and harm the health of users.

Accordingly, in recent years, when the fan is driven, the blades are automatically folded to have an inclination angle, so that the ventilation function is performed. When the driving is stopped, the blades are automatically rotated in the reverse direction and spread, so that both ends of the adjacent blades are connected to each other. As a result, ventilation devices have been proposed to close the ventilation space through which indoor air is discharged to the outside.

One of them is Korea Utility Model Application No. 20-1998-0001191 (name: shot tunnel wing of a ventilator/1998.02.04.), and as known in the publication, the wing support groove and the wing ring rotation hole are at equal intervals. 2 to 3 ring rings and 2 to 3 rotating plate ring ring rotation holes are formed at equal intervals on the known wing body formed in 6 places, and the wing ring support grooves are formed in 6 places at equal intervals. Two to three ring rings are formed on the rotating plate at equal intervals, and a protruding jaw is formed in a rib shape along the round at the end of a known wing or upper part with a wing rotation groove and a wing ring, and at appropriate intervals at the end of the lower part. The shotter of a ventilator constructed by inserting the wing with the protrusion protruding so that the apex is protruding into the wing support groove, and then inserting 2-3 places with elastic rings between the ring ring of the wing body and the ring ring of the rotating plate, and covering a known cover. Wings are described.

Korean Utility Model Application No. 20-2004-0018796 Korean Patent Application No. 10-2004-7011274 Korean Patent Application No. 10-2013-0011778 Korean Patent Application No. 10-2013-0105463 Korean Utility Model Application No. 20-1998-0001191

However, the conventional ventilating devices as described above have a problem in that their structure is complex and thus productivity is low, which is uneconomical, and the motion transmission between the connections of the respective components is complicated, resulting in poor quality of use, such as poor operation.

The present invention has been proposed to solve the conventional problems as described above, and an object of the present invention is to selectively open and close the ventilation space through which indoor air is discharged to the outside so that mosquitoes (insects) and pollutants are not The indoor environment is clean and safe by preventing it from entering into, and in particular, its structure is simple, so it can be economically provided because of its high productivity. It is to provide a ventilation device to maximize the quality of use by implementing it.

The ventilation apparatus according to the present invention for achieving the object of the present invention as described above includes: a ventilation body installed in a facility having a ventilation space through which the inside and outside are penetrated; A ventilating fan disposed in the ventilating space and configured to generate a ventilating pressure for air in the ventilating space by rotating by receiving a rotational force generated from a ventilating motor that is selectively supplied with power from a power supply unit to generate a rotational force; It is made including; The ventilating fan includes a fan body axially coupled to a rotation shaft of the ventilating motor to rotate in the same direction; Including a plurality of fan blades which are axially coupled to the outer surface of the fan body to rotate forward and backward through a central axis, and are formed and arranged so that both ends of the fan body face each other in a plane with the same size radially around the fan body. ; When the fan blades have an inclination angle with respect to the fan body, they form a ventilation pressure for the air, and both ends of the other fan blades that are spread and adjacent to the fan body are connected to each other to close the ventilation space. In the ventilation device; It is provided in the fan body and rotates each of the fan blades through centrifugal pressure generated when the fan body rotates to form an inclination angle with respect to the fan body to form a ventilating pressure for air, and the fan body When stopping the rotational movement of the fan blades to return to their original state so that both ends of the other fan blades are in contact with each other to be connected to close the ventilation space; further comprising; Each of the operating means includes guide tubes in the shape of a'pipe' provided on the fan body; A moving body that slides inside each of the guide pipes and moves linearly outward from the center of rotation of the fan body by centrifugal pressure generated when the fan body rotates; Each of the rotating bodies provided on the central axis of the fan blade to rotate forward and backward in the same direction, and rotate forward and reverse when the moving bodies are linearly moved; And return springs configured to elastically press each of the moving bodies in the direction of the rotation center of the fan body.

In the ventilation apparatus according to the present invention made as described above, when the fan body rotates through the rotational force generated by the ventilation motor, each fan blades are rotated by respective operating means through the centrifugal pressure generated. The ventilation function is performed by forming an inclination angle with respect to the fan body to create a ventilation pressure for the air; When the selective ventilation motor is stopped, the rotational motion of the fan body is stopped and the fan blades are returned to their original state by the return spring of the operating means, and both ends of the other fan blades are connected to each other to close the ventilation space. By preventing unauthorized introduction of mosquitoes (insects) and pollutants from the outside, it has the effect of creating a clean and safe indoor environment.

In addition, since the configurations of the operating means are simple, it can be provided economically, and the connection movement between the respective components is simple, so that the stability of operation is realized, thereby maximizing the quality of use.

1 is a view showing a ventilation device according to an embodiment according to the present invention, a schematic illustration showing a state in which the ventilation space is closed.
2 is a view showing a ventilation device according to the present embodiment, a schematic illustration showing a state in which the ventilation space is open.
3 to 5 are schematic diagrams showing operating means constituting the ventilation device according to the present embodiment.
6 and 7 are schematic cross-sectional views showing a moving body applied to an operating means constituting the ventilation device according to the present embodiment.

Hereinafter, a ventilation device according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more completely explain the present invention to those of ordinary skill in the art. Accordingly, the shape of the element in the drawings may be exaggerated to emphasize a clearer description. It should be noted that in each drawing, the same member may be indicated by the same reference numeral. Detailed descriptions of known functions and configurations that are determined to unnecessarily obscure the subject matter of the present invention will be omitted.

1 to 7 are views showing a ventilation device 1 according to an embodiment according to the present invention. The ventilation apparatus 1 according to the present embodiment has a ventilation space 21 through which the inside and outside are penetrated, and A ventilation body 2 installed in (not shown); The ventilation space 21 is disposed in the ventilation space 21 and is driven by selectively supplying power from a power supply unit (not shown) to generate rotational force by receiving rotational force generated from a ventilation motor (not shown) It comprises a; ventilating fan (3) configured to form a ventilating pressure for the air in (21).

That is, the ventilating fan 3 disposed in the ventilating space 21 of the ventilating body 2 is rotated by receiving the rotational force generated by the optional ventilating motor. As the suction/discharge pressure is formed, indoor air is sucked and discharged to the outside, thereby ventilating the indoor air.

In the above, the ventilating motor may be selectively driven and deactivated through selective power supply/stop by a user's manipulation.

In the ventilation apparatus 1 according to this embodiment, the ventilation fan 3 includes a fan body 31 that is axially coupled to the rotation shaft 4 of the ventilation motor and rotates in the same direction; A plurality of axially coupled to the outer surface of the fan body 31 through a central axis 32 to rotate forward and backward, and formed and arranged so that both ends face each other in a plane with the same size radially around the fan body 31 It consists of; including; fan wings (33).

That is, when the fan body 31 rotates, the fan blades 33 rotate in the same direction.

In the above, it is preferable that the outer end portions of each of the fan blades 33 have a shape and size that are fitted while being close to the inner surface of the ventilation space 21.

In the above, the central axes 32 of each of the fan blades 33 are axially coupled while having a radially equal interposition angle from the outer peripheral surface of the fan body 31 to the outside; The fan blades 33 may be made of '4' or '6', and are preferably applied according to a user's selection.

In the ventilation device 1 according to the present embodiment made as described above, the fan blades 33 form a ventilation pressure for air when they have an inclination angle with respect to the fan body 31, and the fan body 31 ), both ends of the other fan blades 33 that are spread and close to each other are connected to each other to close the ventilation space 21.

That is, when each of the fan blades 33 is rotated to form an inclination angle with respect to the fan body 31 to form a ventilating pressure for air, a ventilating function is performed; When the fan blades 33 are returned to their original state on the fan body 31 and both ends of the other fan blades 33 are in contact with each other, both ends of the fan blades 33 are connected to each other and the ventilation space ( 21) will be closed.

The ventilation device 1 according to the present embodiment made as described above is provided in the fan body 31 and rotates the fan blades 33 respectively through centrifugal pressure generated when the fan body 31 rotates. To form an inclination angle with respect to the fan body 31 to form a ventilation pressure for the air. When the rotational motion of the fan body 31 is stopped, the fan blades 33 are returned to their original state. It further comprises an operation means (5) configured to close the ventilation space 21 by allowing both ends of the fan blades 33 to contact and connect with each other.

That is, when the fan body 31 is rotated and stopped according to the driving and stopping of the ventilating motor, each of the fan blades 33 through each of the operating means 5 relative to the fan body 31 Since it rotates forward and backward, the ventilating space 21 is closed when the ventilating motor is stopped, and the ventilating function is performed through the ventilating space 21 only when the ventilating motor is driven.

In the ventilation device 1 according to the present embodiment made as described above, each of the operating means 5 is a guide tube 51 in the shape of a'pipe' provided in the fan body 31 Field; A moving body 52 that slides inside each of the guide pipes 51 and makes a linear movement outward from the center of rotation of the fan body 31 by centrifugal pressure generated during the rotational movement of the fan body 31 Field; Each of the rotating bodies 53 provided on the central axis 32 of the fan blade 33 to rotate forward and backward in the same direction and rotate forward and backward when the moving bodies 52 linearly move; It includes; return springs 54 configured to elastically press each of the moving bodies 52 in the direction of the rotational center of the fan body 31.

That is, when the ventilation motor is normally stopped, the moving body 52 is elastically pressed by the return spring 54 in the direction of the rotational center of the fan body 31 and interlocked with the moving body 52 to rotate forward and backward. The rotating body 53 is in its original position so that the fan blades 33 are unfolded with respect to the fan body 31, and both ends of the other fan blades 33 are connected to each other in contact with each other, so that the ventilation space 21 ) Is closed.

In addition, when the fan body 31 is rotated by the rotational force generated by selectively driving the ventilating motor by a user, the moving body 52 is elasticity of the return spring 54 through the generated centrifugal pressure. Overcoming the pressure and sliding inside the guide tube 51, the fan body 31 moves in a linear direction, and is connected to the moving body 52 so as to rotate during the linear movement of the moving body 52. As the rotating body 53 rotates, each of the fan blades 33 rotates in the same direction, thereby forming an inclination angle with respect to the fan body 31.

Accordingly, the ventilation function is performed by forming a ventilation pressure for air in the ventilation space 21.

In the ventilation device 1 according to the present embodiment made as described above, the front end 55 of the moving body 52 is formed in a'circular rod' shape having a'circle' shape in cross section; The movement body portion 56 of the movement body 52, which is accommodated in the inside of the guide tube 51 and slides, has a'polygonal rod (for example, a quadrangular)' shape having a cross section. For example, it is formed in the shape of a square bar'; the inner circumferential surface of the guide tube 51 may be formed in a shape that is matched according to the shape of the outer circumferential surface of the movement body part 56, and is preferably applied according to the user's selection. Do.

That is, when the moving body 52 is linearly moved, the moving body 52 may be prevented from rotating without permission.

On the other hand, in the ventilation device 1 according to the present embodiment, a guide protrusion 57 protruding outward is provided at the front end 55 of the moving body 52; The rotating body 53 is provided at the end of the central shaft 32, and the front end 55 of the moving body 52 is accommodated in a linear motion, and a'cylindrical body' having an open one end It consists of a'long hole' formed with an inclined angle with respect to the longitudinal direction and the guide protrusion 57 is fitted as it penetrates inside and outside, so that the pivoting body 53 is moved in a linear motion of the guide protrusion 57. It may be made of a pivot hole 58 is formed to rotate.

That is, during the linear movement of the moving body 52, the front end 55 of the moving body 52 linearly moves inside the pivoting body 53, while the guide protrusion 57 is guided on the pivoting hole 58. It is pressed against the inner surface of the rotation hole 58 having an inclination angle in a direction of rotation about the rotation center of the central shaft 32 so that the rotation body 53 rotates.

In this way, according to the rotational movement of the rotating body 53, each of the fan blades 33 rotates around the central axis 32 and is folded or unfolded at an inclined angle with respect to the fan body 31, The ventilating space 21 performs and closes the ventilating function.

In the above, the return spring 54 is disposed between the moving body 52 and the rotating body 53 to form an elastic pressing force; It is disposed between the inner surface of the fan body 31 and the moving body 52 to form an elastic pressing force, and is preferably applied according to the user's selection.

As described above, when the fan body 31 rotates through the rotational force generated by the ventilation motor, the ventilation device 1 according to the present exemplary embodiment rotates each of the operating means 5 through the centrifugal pressure generated. ) By each of the fan blades 33 are rotated, respectively, to form an inclination angle with respect to the fan body 31 to form a ventilation pressure for air, thereby performing a ventilation function; When the selective ventilation motor is stopped, the rotational movement of the fan body 31 is stopped, and the fan blades 33 are returned to their original state by the return spring 54 of each of the operating means 5. The technical configuration is characterized in that both ends of the other fan blades 33 are connected in contact with each other to close the ventilation space 21.

One embodiment of the present invention described above is merely exemplary, and those of ordinary skill in the technical field to which the present invention belongs will appreciate that various modifications and other equivalent embodiments are possible. . Therefore, it will be appreciated that the present invention is not limited to the form mentioned in the detailed description above. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims. In addition, the present invention is to be understood as including the spirit of the present invention as defined by the appended claims and all modifications, equivalents and substitutes within the scope thereof.

1: ventilation system 2: ventilation body
21: ventilation space 3: ventilation fan
31: fan body 32: central axis
33: fan blade 4: rotating shaft
5: operation means 51: guide tube
52: moving body 53: rotating body
54: return spring 55; The tip of the moving body
56: movement body portion of the moving body 57: guide protrusion
58: rotary hole

Claims (1)

A ventilation body (2) installed in a facility having a ventilation space (21) through which the inside and outside are penetrated; It is disposed in the ventilation space 21 and is driven by selectively receiving power from a power supply unit and rotates by receiving the rotational force generated from the ventilation motor to generate the rotational force, thereby controlling the ventilation pressure to the air in the ventilation space 21. The fan body 31 is axially coupled to the rotation shaft of the ventilating motor to rotate in the same direction, and the fan body 31 is axially coupled to the outer surface of the fan body 31 through a central shaft 32 to rotate forward and backward. The body 31 is formed and arranged so that both ends face each other in a plane with the same size radially around the body 31, and when the fan body 31 has an inclination angle, it forms a ventilating pressure for air, and the fan body 31 A ventilating fan (3) having a plurality of fan blades (33) that are spread against and close the ventilating space (21); It is provided in the fan body 31 and rotates each of the fan blades 33 through centrifugal pressure generated when the fan body 31 rotates to form an inclination angle with respect to the fan body 31 Ventilation device (1) comprising; operating means (5) configured to form a ventilation pressure for the fan body (31) and return the fan blades (33) to their original state when the rotational movement of the fan body (31) is stopped. In;
Each of the operating means (5),
Guide tubes 51 provided in the fan body 31; A moving body 52 that slides inside each of the guide pipes 51 and makes a linear movement outward from the center of rotation of the fan body 31 by centrifugal pressure generated during the rotational movement of the fan body 31 Field; Each of the rotating bodies 53 provided on the central axis 32 of the fan blade 33 to rotate forward and backward in the same direction and rotate forward and backward when the moving bodies 52 linearly move; Including; return springs 54 configured to elastically press each of the moving bodies 52 in the direction of the rotational center of the fan body 31;
The front end 55 of the moving body 52,
The cross-section is formed in the shape of a'round rod' made in a'circle'shape;
The movement body portion 56 of the movement body 52 accommodated in the guide tube 51,
The cross-section is formed in the shape of a'polygonal rod' made of a'polygonal'shape;
The inner circumferential surface of the guide tube 51,
It is made in a shape tailored to the shape of the outer circumferential surface of the movement body (56);
In the front end 55 of the moving body 52,
A guide protrusion 57 protruding outward is provided;
The rotating body 53,
It is provided at the end of the central axis 32, and the front end 55 of the moving body 52 is accommodated in a linear motion, and consists of a'cylindrical body' in the shape of a'cylindrical' with an open end, but penetrates inside and outside While the guide protrusion 57 is fitted and has a'long hole' formed while having an inclination angle with respect to the longitudinal direction, a rotating hole configured to rotate the pivoting body 53 during a linear movement of the guide protrusion 57 ( 58) ventilation device, characterized in that formed.

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