KR20210037169A - Inhalation apparatus with multiple fans - Google Patents

Abstract

The present invention relates to a suction apparatus with a plurality of fans. According to the present invention, the suction apparatus with the plurality of fans comprises: a mainframe unit with an inlet and an outlet; a driving unit installed on the inlet to provide rotary force; a first fan unit fixed on a driving shaft of the driving unit; and a second fan unit installed on the outlet spaced apart from the front side of the first fan unit to be fixed on an extension shaft extended from the driving shaft. The suction apparatus improves the volume of suction by lowering the air pressure between the first fan unit and the second fan unit which are placed on the same shaft line to be rotated. According to the present invention, there are effects to lower the air pressure between the first fan unit and the second fan unit in the process of rotating the first fan unit and the second fan unit, which are placed respectively on the front side and rear side, by the single driving unit, to induct the surrounding air from all directions, to have an excellent exhaust efficiency, to be installed on a fan of an existing suction apparatus, and to detachably place the mainframe unit with the first fan unit on a second housing of the second fan unit installed on an existing installation surface to be available also for the existing products.

Description

Inhalation device with multiple fans {INHALATION APPARATUS WITH MULTIPLE FANS}

The present invention relates to an inhalation device having a plurality of fans, and more particularly, to an apparatus for inhaling indoor air through a double-arranged fan.

In general, a suction device is a device that sucks contaminated air in the room through rotation of a fan and then exhausts it to the outside, and is widely used in general homes, offices, factories, and other industrial facilities.

These suction devices are manufactured and used in a wide variety of shapes and structures so that they can be installed by varying their performance and characteristics of the device, such as specifications or shapes used according to the installation place or purpose.

Looking at the configuration and structure of the suction device, a fan is installed while providing a fan composed of a plurality of blades generating wind, a motor that rotates the fan with power supplied from outside, and a frame for fixing the fan and the motor. It is generally composed of a housing having an exhaust port so that air can be discharged during rotation.

A technique related to such a suction device has been proposed in Korean Patent Publication No. 2017-0004692.

However, Patent Document 1 substantially only sucks air around the suction device, so there is a problem in that the efficiency is limited.

Korean Patent Publication No. 2017-0004692 (2017.01.11)

The present invention has been devised in view of the above points, and an object of the present invention is to provide an inhalation device having a plurality of fans capable of improving inhalation efficiency using Bernoulli's principle.

A suction device having a plurality of fans according to the present invention for achieving the above object comprises: a body portion having an inlet port and an exhaust port; A driving unit installed at the suction port to provide a rotational force; A first fan fixed on the driving shaft of the driving unit; And a second fan installed at the exhaust port spaced in front of the first fan and fixed on an extension shaft extending from the drive shaft, wherein the first and second fans rotate while being disposed on the same axis. You can improve the amount of suction by lowering the air pressure.

In addition, the present invention includes a body portion having an inlet port and an exhaust port, and the end portion of which the exhaust port is formed is fixed to the second housing of the second fan portion fixed to the installation surface; A driving unit installed at the suction port to provide a rotational force; A first fan fixed on the driving shaft of the driving unit; And a connection part connected to an end of the body part so that the body part is detachable to the rear surface of the second housing, and lowers the air pressure between the first and second fan parts rotated on the same axis to improve the suction amount. .

The extension shaft may extend from the center of the cap fastened to the center of the first fan.

The suction ports may be formed in the upper, lower, left, right, and rear sides of the main body, and the exhaust ports may be formed in front of the main body.

The connection portion may be a magnet or a bolt.

According to the present invention, in the process of rotating the first and second fans arranged front and rear by one driving unit, the air pressure is lowered between the first and second fans while sucking the air around the upper, lower, left, and right sides and rear. It has excellent efficiency and can be installed on the fan of the existing suction device.

In addition, according to the present invention, the main body portion in which the first fan portion is installed is detachably provided in the second housing of the second fan portion installed on the existing installation surface, so that it can be used in existing products.

1 is a perspective view showing a suction device having a plurality of fans according to a first embodiment of the present invention.
2 is a side cross-sectional view showing a suction device having a plurality of fans according to the first embodiment of the present invention.
3 is a side cross-sectional view showing a connection structure of an extension shaft in a suction device having a plurality of fans according to the first embodiment of the present invention.
4 is a side cross-sectional view showing a suction device having a plurality of fans according to a second embodiment of the present invention.
5 is a side cross-sectional view showing a suction device having a plurality of fans according to a third embodiment of the present invention.

The above objects, features, and other advantages of the present invention will become more apparent by describing in detail a preferred embodiment of the present invention with reference to the accompanying drawings. Hereinafter, a suction device having a plurality of fans according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a suction device having a plurality of fans according to a first embodiment of the present invention, Figure 2 is a side cross-sectional view showing a suction device having a plurality of fans according to the first embodiment of the present invention 3 is a side cross-sectional view showing a connection structure of an extension shaft in a suction device having a plurality of fans according to the first embodiment of the present invention, and FIG. 4 is a suction device having a plurality of fans according to the second embodiment of the present invention. It is a side cross-sectional view showing a device, and FIG. 5 is a side cross-sectional view showing a suction device having a plurality of fans according to a third embodiment of the present invention.

1 to 3, the suction device 100 having a plurality of fans according to the first embodiment of the present invention includes a main body 110, a driving unit 120, a first fan 130, and a second fan. Includes 140.

The main body 110 is a frame that connects to each side of a hexagonal body in which the driving unit 120, the first fan unit 130, and the second fan unit 140 are installed, and has openings formed in front and rear, top, bottom, left and right.

At this time, in the main body 110, the first housing 132 of the first fan 130 is installed at the rear inlet formed at the rear opened, and the second housing of the second fan 140 at the exhaust port formed at the opened front (142) is installed, the upper suction port 112 is formed in the opened upper part, the lower suction port 114 is formed in the opened lower part, and side suction ports 116 are formed on both sides of the opened side, respectively.

In this way, indoor air is sucked through the inlet 134, the upper inlet 112, the lower inlet 114, and the side inlet 116 of the first housing 132 installed at the rear inlet of the main body 110, and the exhaust port It is discharged to the outside through the front exhaust port 144 of the second housing 142 installed in. Moreover, the body portion 110 is installed on the installation surface, the front side of the front exhaust port 114 is the outer wall surface of the building.

On the other hand, although not shown in the drawing, guide openings and closing portions each of which the front ends are rotatably supported on the upper inlet 112, the lower inlet 114, and the side inlet 116 are provided so that the amount of opening and closing can be individually adjusted and the intake direction of air. It is possible to guide.

The driving unit 120 is a driving motor that is installed in the center of the first housing 132 installed in the rear suction port and provides rotational force to the first fan unit 130 when power is applied.

The first fan unit 130 is fixed on the drive shaft 122 of the driving unit 120 and radial blades are installed to intake so as to exhaust indoor air.

In the first housing 132, the first fan 130 is positioned in the inlet 134, which is the inside of the guide protruding in a cylindrical shape on the front side.

At this time, the first fan 130 includes a shaft fixing part 135 that is fixed to the driving shaft 122 and having radial blades installed on an outer circumferential surface thereof, and a cap 136 that is helically fastened to the tip of the shaft fixing part.

On the other hand, the wing is fixed to the shaft fixing part 135, or supported by the shaft by the shaft fixing part 135, and when it is not rotated, the inlet port 134 is sealed. It is opened.

The cap 136 is fastened to the shaft fixing part 135 in a counterclockwise direction opposite to the rotation direction of the first fan part 130, and a detachable extension shaft ( 138) is extended.

In this way, since the cap 136 is generally provided on the fan of the suction device, it can be applied to the existing suction device by fastening it with the existing cap removed.

Moreover, the extension shaft 138 passes through the center of the second housing 142 installed at the exhaust port of the main body 110 and is prevented from shaking by the bearing 142 provided at the center.

The second fan unit 140 is installed at an exhaust port spaced in front of the first fan unit 130, and is fixed to the extension shaft 138 and has radial wings to exhaust indoor air together with the first fan unit 130. Is installed.

Here, the wings may be fixed like the wings of the first fan 130 or may be provided to be rotatable.

In this way, the second fan unit 140 positioned on the same line as the first fan unit 130 draws the surrounding air while lowering the atmospheric pressure between the first fan unit 130 and the first fan unit 130 when rotating according to Bernoulli's principle. In addition to 134, the upper suction port 112, the lower suction port 114, and the side suction port 116 of the main body 110 are sucked in five directions to improve the suction amount.

In the second housing 142, the second fan 140 is positioned in the inlet 134, which is the inside of the guide protruding in a cylindrical shape on the rear surface.

As described above, in the suction device 100 having a plurality of fans of the present invention, the first fan unit 130 fixed on the drive shaft 122 of the driving unit 120 rotates while the driving unit 120 is operated when power is applied. , As the extension shaft 138 is interlocked by the rotation of the first fan part 130, the second fan part 140 fixed to the end of the extension shaft 138 is rotationally driven.

At this time, since the first fan unit 130 and the second fan unit 140 that are simultaneously rotated attract the surrounding air while lowering the air pressure therebetween by the principle of Bernoulli, not only the inlet 134 but also the main body 110 The upper suction port 112, the lower suction port 114, and the side suction port 116 of the air is sucked in five directions, thereby improving the suction amount.

In addition, in the case of installing in an existing suction device, the cap 136 with the extension shaft 138 installed after removing the cap fixed to the fan while the housing of the existing suction device is installed in the rear suction port of the main body 110 ).

In addition, while the second housing 142 is installed in the exhaust port, the second fan 140 is fixed to the end of the extension shaft 138 passing through the center of the second housing 142.

Referring to FIG. 4, the suction device 200 having a plurality of fans according to the second embodiment of the present invention includes a main body 210, a drive 220, a first fan 230, and a second fan 240. Including, only the structure of the extension shaft 238 connecting the body portion 210 and the first fan portion 230 and the second fan portion 240 is different, but the structure and function of the remaining configurations are the same as those of the previous embodiment. Therefore, detailed description is omitted.

The body part 210 is divided into a front body part 210a and a rear body part 210b so that the length can be adjusted in the longitudinal direction.

That is, while the rear end of the front body part 210a is inserted into the front end of the rear body part 210b, the rear body part 210b is slidable.

At this time, a first locking part 211 is provided on the upper part of the rear body part 210b so as to limit the distance of the rear body part 210b.

The first locking portion 211 consists of a horizontal portion and a vertical portion bent at the end of the horizontal portion, and the vertical portion passes through a through hole 2103 formed at the upper end of the rear body portion 210b, and a binding protrusion 211a formed at the lower end of the vertical portion Is bound to any one of the binding grooves 2102 formed in a plurality at each set interval on the rear upper surface of the front body portion 210a.

Moreover, the first locking part 211 is rotatable by a hinge H in the middle of the horizontal part, and an elastic part S2 is provided between the opposite end of the vertical part and the rear body part 210b, so that the binding protrusion 211a ) Provides elastic force so that it always rotates in the direction of the binding groove (2102).

Therefore, when the length of the main body 210 is required to be adjusted, when the rear end of the first locking part 211 is pressed, the binding protrusion 211a is separated from the binding groove 2102 of the front main body 210a. The length of (210b) is adjusted. In addition, when the length of the rear body part 210b is determined and the rear end of the first locking part 211 is pressed and released, the locking part 211 is rotated by the elastic force of the elastic part S2, so that the binding protrusion 211a is moved to the front body. The position of the rear body portion 210b is fixed because it is bound to the binding groove 2102 of any one of the portions 210a.

In this way, while the length of the main body 210 is adjusted, the length of the extension shaft 128 is also adjustable. To this end, the extension shaft 128 is divided into a first extension shaft 283a and a second extension shaft 283b, and the front end of the adjacent first extension shaft 283a and the rear end of the second extension shaft 283b Each of the helical protrusions with opposite helical directions is formed, and the helical protrusions of the first and second extension shafts 283a and 283b are spirally fastened, and the inner circumferential surface forms a helical hole with opposite helical directions. (2390) is provided.

Therefore, when the rotating part 2390 is rotated in any one direction, the distance between the first extension shaft 283a and the second extension shaft 283b spirally fastened to both ends of the rotation part 2390 decreases or widens, and the second extension shaft ( The front and rear positions of the second fan part 240 to be fixed to 283b) are adjustable.

Furthermore, the first extension shaft 283a and the second extension shaft 283b have opposite ends in a state in which the opposite ends are screwed to the rotating part 2390 and are tightly coupled to both ends of the rotating part 2390 to prevent loosening ( 2392) is provided.

At this time, the anti-loosening part 2392 is formed in a nut shape in which a spiral hole is formed, and the spiral direction is formed in the opposite direction, so that the spiral protrusion of the first extension shaft 283a is fixed to the rear surface of the rotating part 2390, respectively, and the second The spiral protrusion of the extension shaft 283b is fixed to the front surface of the rotating part 2390.

On the other hand, a groove (G) is formed in the inside of the loosening prevention part (2392), and a second locking part (2394) is provided in the groove (G) so as to be rotatable by a hinge shaft, so that the loosening prevention part (2392) is provided with a rotating part ( In a state in close contact with the front and rear surfaces of the 2390), the loosening prevention part 2392 is locked again.

The second locking part 2394 is formed in a "L" shape, and one end is formed in a mountain shape so as to be coupled to the threads of the first extension shaft 283a and the second extension shaft 283b, and the other end is a loosening prevention part ( It is rotatably supported in the groove (G) of 2392).

At this time, a torsion spring (S1) is installed on the hinge shaft, one end of the torsion spring (S1) is supported by the second locking portion (2394), the other end is supported in the groove (G).

Therefore, when the anti-loosening part 2392 is in close contact with the front and rear surfaces of the rotating part 2390, one end of the second locking part 2394 contacts the threads of the first extension shaft 283a and the second extension shaft 283b, respectively. In this state, the loosening of the loosening prevention part 2392 is double prevented.

Here, unexplained reference numeral 212 is the upper inlet, 214 is the lower inlet, 216 is the side inlet, 222 is the drive shaft, 232 is the first housing, 234 is the inlet, 235 is the shaft fixing part, 236 is Cap, 242 is the second housing, and 244 is the front exhaust port.

Referring to FIG. 5, a suction device 300 having a plurality of fans according to the third embodiment of the present invention includes a main body 310, a driving part 320, a first fan 330, and a second fan 340. Including, in a state in which the first fan 330 is installed at the rear inlet of the main body 310, a connection part 318 to which a magnet or bolt is applied is installed on the front of the main body 310, so that the connection part 318 is It is a structure attached to the second housing 344 of the second fan part 240 installed on the installation surface.

On the other hand, the second fan portion 340 is provided to be directly rotatable by the motor (M) installed in the second housing 344, unlike the previous first and second embodiments.

At this time, when the second housing 344 is made of a metal material, a magnet may be applied to the connection portion 318, and when the second housing 344 is made of a synthetic resin material, it is preferable that a bolt is applied to the connection portion 318.

Therefore, it is possible to use by fixing the body part 310 with the first fan part 330 installed on the second housing 344 of the second fan part 340 used in the state installed on the installation surface through the connection part 318 Do.

Here, reference numeral 312, which is not described, is an upper inlet, 314 is a lower inlet, 316 is a side inlet, 332 is a first housing, 334 is an inlet, and 344 is a front exhaust port.

Embodiments of the present invention have been described above with reference to the accompanying drawings, but those of ordinary skill in the art to which the present invention pertains can be implemented in other specific forms without changing the technical spirit or essential features. You will be able to understand. Therefore, it should be understood that the embodiments described above are illustrative in all respects and are not limiting.

100, 200, 300: suction device provided with a plurality of fans
110, 210, 310: main body
120, 220, 320: driving unit
130, 230m 330: first fan
140, 240, 340: second fan

Claims (5)

A body portion having an inlet port and an exhaust port formed therein;
A driving unit installed at the suction port to provide a rotational force;
A first fan fixed on the driving shaft of the driving unit; And
And a second fan installed at the exhaust port spaced in front of the first fan and fixed on an extension shaft extending from the drive shaft,
A suction device having a plurality of fans, characterized in that the air pressure is lowered between the first and second fans that are rotated while being disposed on the same axis to improve the suction amount.
A body portion having an inlet port and an exhaust port, and the end portion of which the exhaust port is formed is fixed to the second housing of the second fan portion fixed to the installation surface;
A driving unit installed at the suction port to provide a rotational force;
A first fan fixed on the driving shaft of the driving unit; And
Includes; a connection part connected to an end of the body part so that the body part is detachable to the rear surface of the second housing,
A suction device having a plurality of fans, characterized in that the air pressure is lowered between the first and second fans rotated on the same axis to improve the suction amount.
The method of claim 1,
The suction device having a plurality of fans, wherein the extension shaft extends from the center of the cap fastened to the center of the first fan.
The method according to claim 1 or 2,
The suction device having a plurality of fans, wherein the suction ports are formed at the top, bottom, left, right and rear of the main body, and the exhaust ports are formed in front of the main body.
The method of claim 2,
The suction device having a plurality of fans, characterized in that the connection portion is a magnet or bolt.

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