KR100955727B1 - Local ventilator device - Google Patents

Abstract

PURPOSE: A local ventilator is provided to control a suction range of air by forming multiple external wings for generating a vortex, and to reduce manufacturing costs and power consumption by reducing components. CONSTITUTION: A local ventilator comprises a motor member(109), a rotating structure(110), and multiple external wi9ngs(130) for generating a vortex. The motor member is installed in an exhaust pipe, and generates torque. The exhaust pipe guides air inhaled through an inlet(102) to outside. The rotating structure is arranged in the front end of the inlet, and is rotated around the exhaust pipe. And the rotating structure is connected to a driving shaft of the motor member. The external wings generate a vortex. The angle of the external wings is controlled by a flow direction of the air flowing through the inlet.

Description

Local Ventilator Device

The present invention relates to a local exhaust device, and more particularly, it is possible to easily adjust the installation angle of the vane generating the vortex, and the vortex control can be appropriately changed according to the conditions in which the vortice is generated and the size of the vortex, The present invention relates to a local exhaust device capable of simultaneously rotating the vortex generating wing and the intake and exhaust wing as one drive source.

In general, a local exhaust device is installed in a factory, home, restaurant, etc., where pollutants are frequently generated, and supplies exhaust air to an intake port, which is an end of an exhaust pipe, to exhaust contaminated air from the inside to the outside.

Such a local exhaust system has a partial source of contamination on the floor away from the inlet forcing the air containing the pollutant, or it is difficult to install the inlet near the source by other installations, or when the source of the pollutant occurs momentarily. It can be usefully used.

However, the local exhaust system used for this purpose has various problems, that is, the efficiency of removing the pollutant drops rapidly away from the inlet port, so the inlet port of the local exhaust system is a source of pollutants. Although it is preferable to install near, it is obstructed by the working process and the worker's movement and constrains the installation condition.

Accordingly, a local exhaust device for enlarging the suction region using the vortex is disclosed in Republic of Korea Patent Registration No. 10-05229002 (September 11, 2005), Republic of Korea Patent Publication No. 10-0784250 (Dec. 04. 2007. Registered Patent) Korean Patent Publication No. 10-0821295 (2008.04.03. Registration date), Republic of Korea Patent Registration No. 10-0873521 (2008.12.04. Registration date) and Republic of Korea Patent Publication No. 10-0873522 (2008.12.04. Registration date).

However, these conventional local exhaust devices are simply formed by installing a fan-shaped wing outside the inlet port, which is the end of the exhaust pipe, to form a vortex, which is not enough to obtain the optimum efficiency according to various installation environments, and the optimum vortex according to the installation environment. In order to form the vortex generating wings of various forms had to be installed by repeated trial and error.

In particular, the size of the suction area, which is a range in which the suction of the indoor air to be sucked and exhausted according to various conditions of the installation environment, cannot be adjusted, thereby limiting the function of the local exhaust device and increasing the exhaust capacity.

In addition, the exhaust pipe has a vortex generating motor member for rotationally driving the vortex generating blades installed near the suction port, and the exhaust fan for rotating the exhaust fan for generating the intake and exhaust force inside the exhaust pipe to exhaust the indoor air to the outside. Since each of the motor members must be provided, the total number of components constituting the local exhaust system is increased to increase the manufacturing cost, and the power consumption is gradually increased over time, thereby increasing the equipment maintenance cost.

Accordingly, the present invention is to solve the above problems, the purpose of which is to adjust the installation angle of the outer blade to generate a vortex to suit the inhalable range of field conditions to exhaust the polluted air to the outside by the user easily adjust It is an object of the present invention to provide a local exhaust system capable of appropriately expanding or contracting the actual suction area.

In addition, another object of the present invention is to rotate the blade for generating the vortex and the blade for generating the air intake and exhaust force by using a single drive source to reduce the total number of components to simplify the structure of the equipment, while reducing the manufacturing cost In addition, the present invention seeks to provide a local exhaust device that can reduce power consumption.

As a specific means for achieving the above object, the present invention is installed in the exhaust pipe for guiding and exhausting the air sucked through the inlet to the outside to generate a rotational driving force when the power applied; A rotary structure disposed at the tip of the suction port so as to rotate with the center of the exhaust pipe as the center of rotation and connected to the drive shaft of the motor member; And a plurality of vortex generating outer wings that are assembled through an angle adjusting member provided on an outer surface of the rotating structure to enable angular adjustment with respect to a suction direction of air through the inlet, and generate vortices when rotating. Provide a local exhaust.

Preferably, provided on the rotating structure is provided on the inside of the rotating structure or the rotation axis of the rotating structure is provided on the inside of the exhaust pipe is located inside the exhaust pipe and the intake and exhaust force in the inside of the rotating structure or the exhaust pipe when the motor is driven It includes an inner blade for the intake and exhaust air.

Preferably, the inner blade for the intake and exhaust air is a fixed end fixed to the outer circumferential surface of the rotating structure consisting of a hollow cylinder member having an inner surface and an outer surface parallel to the air suction direction, extending from the fixed end to the free end into the suction port A certain length is extended so that it enters.

More preferably, the inner blade for the intake and exhaust air is a fixed end is fixed to the inner peripheral surface of the internal rotating structure disposed in the exhaust pipe is bent from the fixed end to extend the free end to the exhaust pipe side length.

Preferably, the vortex generating outer blade is provided on the outer circumferential surface of the rotating structure consisting of a hollow cylinder member having an inner surface and an outer surface parallel to the air suction direction or has a top surface and a lower surface orthogonal to the air suction direction. It is provided with a plurality of lower surfaces of the rotating structure consisting of a hollow disk member.

Preferably, the angle adjustment member is a vertical member extending in a vertical height perpendicular to the outer surface of the rotating structure inserted into the coupling hole formed in the center of the body of the outer blade for vortex generation, and the angle around the vertical member And a fixing member assembled to an end portion of the vertical member so as to fix the regulated vortex generating outer blade to be tightly fixed to the vortex generating outer blade.

More preferably, the vertical member has a plurality of protruding jaws protruding in the longitudinal direction on the outer surface of the body so as to correspond to the plurality of coupling grooves recessed in the longitudinal direction on the inner surface of the coupling hole.

More preferably, the vertical member is formed to protrude in a longitudinal direction a plurality of protruding jaws in the outer portion of the body portion corresponding to the plurality of coupling grooves formed in the inner surface of the lower end of the coupling hole, the upper inner surface of the coupling hole The outer surface of the body is provided in a circular cross section so as to be inserted.

In addition, the present invention is installed in the exhaust pipe for guiding and exhausting the air sucked through the inlet to the outside of the motor member for generating a rotational driving force when the power applied; A rotary structure disposed at the tip of the suction port so as to rotate with the center of the exhaust pipe as the center of rotation and connected to the drive shaft of the motor member; A vortex generating outer blade provided with a plurality of spaced intervals on the outer surface of the rotating structure to form a vortex on the lower portion of the rotating structure while being rotated in one direction by the driving force of the motor member; A local exhaust device including an inner blade for exhaust / exhaust air provided in the rotary shaft or the rotational center of the rotating structure to form an intake / exhaust force inside the exhaust pipe while being rotated in one direction by a driving force of the motor member; to provide.

Preferably, the inner blade for the intake and exhaust air is a fixed end fixed to the outer circumferential surface of the rotating structure consisting of a hollow cylinder member having an inner surface and an outer surface parallel to the air suction direction, extending from the fixed end to the free end into the suction port A certain length is extended so that it enters.

Preferably, the inner blade for the intake and exhaust air is a fixed end is fixed to the inner circumferential surface of the internal rotating structure disposed in the exhaust pipe is bent from the fixed end to extend the free end to the exhaust pipe side length.

Preferably, the outer wing for vortex generation is assembled or pre-set by the angle adjusting member to enable the angle adjustment on the outer circumferential surface of the rotating structure consisting of a hollow cylinder member having an inner surface and an outer surface parallel to the air suction direction Positioned at an angle.

Preferably, the outer wing for vortex generation is assembled in advance or through the angle adjusting member to enable the angle adjustment on the lower surface of the rotating structure consisting of a hollow disk member having an upper surface and a lower surface perpendicular to the air suction direction. The position is fixed at the set installation angle.

More preferably, the angle adjusting member extends perpendicularly to the outer surface of the rotating structure and is inserted into a coupling hole formed in the center of the body of the outer blade for vortex generation through the vertical member, and the angle adjustment centering on the vertical member And a fixing member which is assembled to an end of the vertical member so as to fix the vortex generating outer blade, and is fixed in close contact with the vortex generating outer blade.

More preferably, the vertical member has a plurality of protruding jaws protruding in the longitudinal direction on the outer surface of the body so as to correspond to the plurality of coupling grooves recessed in the longitudinal direction on the inner surface of the coupling hole.

More preferably, the vertical member is formed to protrude in a longitudinal direction a plurality of protruding jaws in the outer portion of the body portion corresponding to the plurality of coupling grooves formed in the inner surface of the lower end of the coupling hole, the upper inner surface of the coupling hole The outer surface of the body is provided in a circular cross section so as to be inserted.

According to the present invention, the rotation of the rotating structure is provided on the outer surface of the rotating structure forcibly rotated in one direction by the motor member by providing a plurality of vortex generation outer blades capable of adjusting the angle with respect to the suction direction of the air by the angle adjustment member. Because the user can easily and accurately adjust the installation angle of the outer blade that generates the vortex to act as an air curtain during the time, the position and range of the vortex occurring below and near the outer blade can be adjusted according to the conditions in which the pollutant is generated. It can be changed appropriately, and thereby, the function of the apparatus can be diversified and the intake / exhaust capacity can be further increased while adjusting the suction range of the air to be sucked and exhausted.

In addition, the outer wing within the range of the suction area formed by the vortex generated during the rotation of the vortex generating outer blade by having the inner blade for intake and exhaust which rotates together with the vortex generating outer blade inside the rotating structure or inside the exhaust pipe. In addition, a separate intake and exhaust driving source for forming an intake and exhaust force in the exhaust pipe can be provided because the intake and exhaust air that is forced to suck the air containing contaminants by the inner blade for rotating the intake and exhaust exhaust gas to the outside through the exhaust pipe. Both functions can be performed as a driving source without the need to reduce the number of components of the device, simplify the overall structure, reduce manufacturing costs, and reduce power consumption, thereby improving price competitiveness.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

1 is a block diagram showing a local exhaust apparatus according to a first embodiment of the present invention, Figure 2 (a) is a front view as seen from the direction A of Figure 1, Figure 2 (b) is a direction B in Figure 1 3 is an exploded perspective view showing a local exhaust apparatus according to a first embodiment of the present invention.

Local exhaust apparatus 100 according to the first embodiment of the present invention, as shown in Figures 1 to 3, the exhaust pipe 101, the motor member 109, the rotating structure 110 and the vortex generation outer wing ( 130).

The exhaust pipe 101 forcibly inhales contaminated air in a room containing contaminants through the inlet port 102 opened at the front end, and externally through the outlet port opposite to the inlet port 102. It may be provided with a hollow park tubular member of a predetermined length to guide the discharge.

The motor member 109 is disposed in the center of the exhaust pipe 101 to forcibly rotate the rotary structure 110 disposed at the tip of the suction port 102 of the exhaust pipe 101 in one direction, the rotary structure 110 Connected with

The drive shaft 109a of the motor member 109 may be integrally connected to the rotating shaft 112, which is the rotation center of the rotating structure 110, or may be assembled to be replaced with a coupling 112a. 112 is disposed on the same axis as the center of the exhaust pipe 101.

The motor member 109 generating the rotational driving force when the power is applied may be fixedly disposed to be disposed at the center of the exhaust pipe 101 by a plurality of internal support members 111 extending from the inner surface of the rotating structure 110. have.

Here, the inner support member 111 is preferably provided with a thin plate member or a rod member so as to minimize the frictional resistance with the fluid forced into the exhaust pipe 101, the inner support member 111 ) Is shown as being integrally provided in the body of the motor member 109, but is not limited thereto, and may be replaced with the motor member so that the motor member 109 may be replaced and repaired in case of failure.

The rotating structure 110 is disposed at a predetermined interval at the tip of the inlet port 102 of the exhaust pipe 101 so as to rotate in one direction with the center of the exhaust pipe 101 provided with the intake and exhaust force as the rotation center, the suction direction (P). It is illustrated and described as being made of a hollow hollow cylindrical member having an inner surface and an outer surface side by side), but is not limited thereto and may be a hollow disk member having a lower surface and an upper surface perpendicular to the suction direction.

The rotary structure 110 is assembled to the tip of the rotary shaft 112 that is detachably extended or assembled from the drive shaft of the motor member 109 disposed in the inner center of the exhaust pipe 101, the tip of the rotary shaft 112 Is connected to the plurality of outer support member 113 extending radially from the inner surface of the rotating structure (110).

Here, when the length of the rotary shaft 112 connecting the rotary structure 110 and the motor member 109 is long, the rotary shaft 112 is the inside of the exhaust pipe 101 so as to prevent shaking during rotational driving The middle of the length may be rotatably supported by a bearing member provided in an axial support member (not shown) extending radially from the surface.

At this time, the front end of the rotary shaft 112 may be provided integrally with the external support member 113, but is not limited thereto, and the external support member 113 is separated for the separation between the rotary shaft 112 and the rotary structure 110. It is preferable to be detachably coupled to the assembly hole (113a) formed at the point where they meet each other.

In addition, the rotating structure 110 is illustrated and described as being provided with substantially similar sizes to the outer diameter of the exhaust pipe 101, but is not limited thereto. The outer diameter of the rotating structure may be provided smaller or larger than the outer diameter of the exhaust pipe. Can be.

The vortex generating outer blade 130 is a plate-shaped wing member that is provided with a plurality of circumferentially spaced in the circumferential direction on the outer surface of the rotating structure 110 to generate a donut-shaped vortex, such a vortex generating outer wing ( 130 rotates together with the rotating structure 110 when the motor is driven to generate a donut-shaped vortex near the lower portion of the exhaust pipe 101 and exhaust air contaminated with contaminated air more efficiently with the intake and exhaust force applied in the exhaust pipe 101. It is possible to inhale into (101). .

The vortex generation outer blade 130 is adjusted to the angle of the outer surface of the rotating structure 110 to be adjusted to a predetermined angle with respect to the suction direction (P) of the air forcedly sucked through the inlet 102 It may be assembled via the member 135.

As shown in Figure 4 (a), the angle adjustment member 135 extends a predetermined height perpendicular to the outer surface of the rotating structure 110 to penetrate through the center of the body of the outer wing 130 for vortex generation At the end of the vertical member (135a) to fix the vertical member (135a) is inserted into the coupling hole (135b) formed and the outer wing 130 for the angle-controlled vortex generation centered around the vertical member (135a) It may be provided with a fixing member (135c) is fastened to the fastening hole formed is in close contact with the vortex generating outer blade (130).

And, as shown in Figure 4 (b), the vertical member (135a), the longitudinal direction on the outer surface of the body so as to correspond to the coupling groove (135e) formed in the longitudinal direction recessed in the inner surface of the coupling hole (135b) It may be provided with a plurality of protruding jaw (135d) protruding to.

In addition, the vertical member (135a) is shown in Figure 4 (c), a plurality of the outer surface of the lower body to be coupled to the corresponding coupling grooves (135e) formed in the lower inner surface of the coupling hole (135b) The protruding jaw 135d may be partially protruded in the longitudinal direction, and an outer surface of the upper end of the body may be provided in a circular cross section so as to be inserted into the upper end of the coupling hole 135b without being caught.

Here, the vortex generating outer blade 130 is centered on the vertical member (135a) so that the size of the vortex generated directly under the vortex generating outer blade when the rotating structure 110 is rotated. By rotating the clock at a predetermined angle in the clockwise or counterclockwise direction, and then fixed to the plurality of vortex generation outer wings 130 angled with respect to the suction direction (P) of the air by the fixing member (135c). In addition, the plurality of vortex generating outer wings 130 provided in the rotating structure 110 may be adjusted to have the same rotation angle.

In addition, the plurality of vortex generating outer wings 130 assembled to adjust the installation angle on the outer surface of the rotating structure 110 to increase the vortex generated by the frictional resistance with the air in the vicinity of the inlet 102 It is preferable to be disposed so as to project downward a predetermined length to the suction side (lower in the drawing) than the end of the rotating structure.

And the vortex generation outer wing 130 is shown and described as being provided in the form of a plate-shaped cross-section, but is not limited to this may be provided in the form of a wing on a curved cross-section.

In addition, the outer surface of the rotating structure 110 in which the vortex generating outer blade 130 is installed is shown and described as being provided with an outer circumferential surface as well as the inner circumferential surface to which the inner blade 150 for intake and exhaust air will be described later. As shown in FIG. 5, the lower end of the wing body and the outer surface of the rotating structure 110 are always provided to be disposed on the plane so as to interview the vortex generating outer wing 130 at an angle. The placement surface 119 may be provided with the same number of planes as the number of installations of the outer blade 130 or a relatively large number.

On the other hand, unlike the vortex generating outer blade 130 provided at the tip of the inlet port outside the exhaust pipe to generate the vortex when the motor is driven, the inner blade for the intake and exhaust pipe (150) provided inside the exhaust pipe to generate the intake and exhaust force during the motor drive. ) May be provided integrally on the inner circumferential surface of the rotating structure 110 is provided with the outer wing for generating the vortex or may be provided independently of the rotating shaft 112 that is the center of rotation of the rotating structure (110).

Accordingly, the plurality of inner blades 150 for the intake and exhaust air is formed on the inner circumferential surface of the rotating structure 110 at regular intervals in a circumferential direction, or when provided on the rotating shaft 112, vortices are generated when the rotating structure is rotated. While rotating together with the vortex generating outer blade 130 is to generate the intake and exhaust force for forcibly sucked and exhausted indoor polluted air into the exhaust pipe (101).

The fixed end 152 of the inner blade 150 for the intake and exhaust may be integrally or detachably fixed to the inner circumferential surface of the rotary structure 110, the free end 154 of the inner blade 150 for the intake and exhaust is After extending a predetermined height in the direction of the center of rotation from the fixed end 152 is bent in a substantially perpendicular direction toward the suction port 102 is extended a predetermined length so that the end portion enters into the suction port (102).

Here, the inner blade 150 for the intake and exhaust air may be provided inclined or spirally provided with a wing body extending from the fixed end 152 to the free end 154 with respect to the suction direction (P) of the air.

In addition, the outer edge 153 of the inner blade 150 for the exhaust fan corresponding to the center of rotation of the rotating structure 110 between the fixed end and the free end includes contaminants during rotation of the inner blade 150 for the exhaust fan. It is preferably provided in a curved shape so as to minimize frictional resistance with air.

The outer edge 155 of the inner blade 150 for the intake and exhaust air entering the inside of the inlet 102 and corresponding to the inner surface of the exhaust pipe 101 is rotated with the exhaust pipe when the inner blade 150 for the intake and exhaust is rotated. Spaced apart from the inner surface of the exhaust pipe so as not to cause interference.

On the other hand, Figure 6 (a) (b) is a block diagram showing a local exhaust device according to a second embodiment of the present invention, the local exhaust device (100a) is the inner blade for the intake and exhaust air in the rotating structure (110) Instead of having 150, the at least one inner blade 150a for intake and exhaust of the rotation shaft 112 is provided to form an intake and exhaust force generating source generated at the time of driving the motor in the pipe of the exhaust pipe 101. .

In this case, as shown in Figure 6 (a) (b), the inner blade 150a for the intake and exhaust is a support member extending radially from the rotating shaft 112, similar to that provided in the rotating structure 110 ( It is connected to 113a) may be made of a plurality of wing members provided at regular intervals in the circumferential direction on the inner circumferential surface of the internal rotating structure (110a) disposed in the exhaust pipe. .

The inner blade 150a for the intake and exhaust air is fixed to the inner circumferential surface of the internal rotating structure (110a) or detachably fixed to the end 152a, and the fixed end 152a extends a predetermined height in the rotational center direction after the exhaust It includes a free end 154a that is bent in a substantially perpendicular direction and extends a predetermined length into the tube, and inner and outer edges 153a and 155a connecting between the fixed end and the free end.

Here, the vortex generating intake exhaust blade (150a) is shown to be provided in the same manner as the wing shape provided in the rotary structure 110 provided at the inlet end, but is not limited to this intake and exhaust in the exhaust pipe during rotational driving It may be provided in the form of suction blades of various forms such as an impeller, a sirocon fan or a box fan to generate a force.

Accordingly, the inner blade 150a for the intake and exhaust air is disposed inside the exhaust pipe 101 to generate the intake and exhaust force inside the exhaust pipe during motor driving, so that the intake and exhaust inner blade 150 disposed outside the exhaust pipe 101. Since the generated intake and exhaust forces can be reduced to the outside, the driving efficiency and the intake and exhaust forces of the local exhaust apparatus can be improved.

In addition, the local exhaust device (100a), as shown in Figure 6 (a), it is provided with a vortex generation outer blade 130 that can be adjusted in angle to the rotating structure 110 is rotated when the motor member is driven. 6 (b), the end of the vortex generating outer blade 130a may be fixed to the outer surface of the rotating structure 110 so as to make it difficult to adjust the angle. A plurality of wings 130a are installed on the outer surface of the rotating structure 110 at predetermined intervals in the circumferential direction.

Here, the inner blade 150a for the intake and exhaust air is shown and described as being provided on the rotating shaft, but is not limited thereto, and may be provided on the inner circumferential surface of the rotating structure 110 in which the outer blade 130a for vortex generation is fixed. .

7 (a) and 7 (b) are diagrams illustrating a local exhaust apparatus according to a third embodiment of the present invention, and the local exhaust apparatus 100b is illustrated in FIGS. 1 and 6 (a) (b). As described above, the plurality of vortex generating outer blades 130 may be angle-adjusted or angle-adjusted on the outer surface of the rotating structure 110 having a hollow cylindrical member having an inner circumferential surface and an outer circumferential surface parallel to the suction direction P. Instead of being provided with difficulty, a plurality of vortex generating outer blades can be angle-adjustable or difficult to angle on the lower surface of the rotating structure 110b having a hollow disk member having a lower surface and an upper surface orthogonal to the suction direction. 130b is provided.

As shown in FIG. 7 (a), the vortex generating outer blade 130b provided on the lower surface of the rotating structure 110b has an angle adjusting member 135 on the lower surface of the rotating structure 110b. The angle adjusting member 135 is a vertical member (135a) is inserted into the coupling hole (135b) of the vortex generating outer blade (130b), as in the first embodiment, The fixing member 135c may be fastened to a fastening hole formed at an end of the vertical member 135a and tightly fixed to the outer wing 130b for vortex generation.

In addition, as shown in Figure 7 (b), the vortex generation outer blade 130c, the upper end may be fixed to the lower surface of the rotating structure 110b to be difficult to adjust the angle.

When operating the local exhaust device 100, 100a, 100b having the configuration as described above to exhaust the contaminated air to the outside, the outer wing for vortex generation in the inlet port 102, which is the tip of the exhaust pipe 101 When external power is applied to the motor member 109 installed in the exhaust pipe 101 in a state in which the rotating structures 110 and 110b are installed, the rotating structures 110 and 110b are rotated in one direction about the rotating shaft 112. .

Subsequently, in addition to the one-way rotation of the rotary structures 110 and 110b, a plurality of vortex generating outer wings 130 and 130b installed on the outer surface or the lower surface of the rotary structures 110 and 110b are also rotated in the same direction.

That is, the donut-shaped vortex is pushed out by pushing the air immediately below and near the exhaust pipe 101 to the radially outer side of the rotating structure by the vortex generating outer blades 130, 130a and 130b 130b which rotate together with the rotating structure. In this case, the vortex forcibly formed by the vortex generating outer wing serves as an air curtain that partitions a region where a pollutant is generated and a region where no pollutant is generated.

At the same time, the inner blades 150 and 150a of the intake and exhaust vents installed on the inner surface of the rotating structure 110 or the rotating shaft 112 when the motor member is driven are rotated in the same direction as the outer blades for the vortex generation while the intake and exhaustors are used. Depending on the installation position of the inner blade to generate a constant intake or exhaust force of a certain intensity in the interior of the rotary structure 110 disposed on the inlet end of the exhaust pipe 101 or to generate a constant intake and exhaust force of the inside of the exhaust pipe 101 do.

Accordingly, the air containing the contaminants generated in the pollution generating region by the intake and exhaust force forcibly formed by the inner blade for the intake and exhaust through the intake port 102 of the exhaust pipe 101 through the exhaust pipe to the outside through the exhaust pipe To exhaust.

On the other hand, the installation angle of the vortex generating outer blades 130, 130b assembled to the outer surface or the lower surface of the rotating structure is adjusted by a predetermined angle with respect to the suction direction (P) of the air by the angle adjusting member 135 Since the size of the vortex generated by the vortex generating outer blade can be adjusted, the size of the suction region formed in the lower region of the suction port can be appropriately changed.

That is, as shown in Figure 4 (a), the vortex generating outer blade with the vertical member (135a) inserted into the coupling hole (135b) formed in the center of the body of the vortex generating outer blade as the rotation center Rotate a predetermined angle in a clockwise or counterclockwise direction, and then adjust the position of the vortex generating outer blade adjusted to a predetermined angle by a fixing member 135c fastened to a fastening hole formed at an end of the vertical member 135a. Firmly fixed, this angle adjustment operation is equally applied to the vortex generating outer wings installed on the outer surface of the rotating structure.

Or, as shown in Figure 4 (b), the vortex generation outer blade in a state in which the coupling hole (135b) formed in the center of the body of the vortex generation outer blade completely separated from the vertical member (135a) After rotating at an angle clockwise or counterclockwise, the coupling groove 135e recessed in the inner surface of the coupling hole 135b and the projection jaw 135d formed in the outer surface of the vertical member 135a correspond to each other. At the same time assembling to assemble and firmly fix the position of the vortex generation outer blade 130 adjusted at a predetermined angle by the fixing member 135c fastened to the fastening hole formed at the end of the vertical member 135a. have.

Or, as shown in Figure 4 (c), the locking groove is formed so that the locking groove is formed at the lower end of the coupling hole (135b) formed in the center of the body of the outer blade for vortex temporarily separated from the protruding jaw Rotate the outer blade 130 at an angle in a clockwise or counterclockwise direction in a state where it is disposed on a circular cross section of the vertical member 135a, and then a coupling groove formed at a lower end of the inner surface of the coupling hole 135b ( 135e) and the protruding jaw 135d formed at the lower end of the outer surface of the vertical member 135a are assembled to correspond to each other, and at the same time, to the fixing member 135c fastened to the fastening hole formed at the end of the vertical member 135a. It is also possible to firmly fix the position of the outer blade for vortex generation adjusted to a predetermined angle by the.

As described above, if the installation angle of the vortex generating outer blade is fixedly installed or adjusted to be inclined at a predetermined angle with respect to the suction direction P of air, when the forced rotation of the vortex generating outer blade is made, the external Air containing contaminants because the wing can further expand the position where the vortex occurs to the outside while pushing the air in contact with the outer blade to the outside more reliably than when the wing is parallel to the suction direction P of air. It is possible to further expand the suction area for forced suction.

While the invention has been shown and described with respect to particular embodiments, it will be appreciated that the invention can be varied and modified without departing from the spirit or scope of the invention as set forth in the claims below. It will be appreciated that those skilled in the art can easily know.

1 is a block diagram showing a local exhaust device capable of adjusting the vortex according to the first embodiment of the present invention.

FIG. 2 (a) is a front view seen from the direction A of FIG.

FIG. 2B is a front view as seen in the direction B of FIG. 1.

3 is an exploded perspective view showing a local exhaust device capable of adjusting the vortex according to the first embodiment of the present invention.

Figure 4 (a) (b) (c) is an exploded perspective view showing an angle adjusting member provided in the local exhaust device capable of adjusting the vortex according to the first embodiment of the present invention.

Figure 5 is a front view having a planar arrangement surface on the rotary structure of the local exhaust device capable of adjusting the vortex according to the first embodiment of the present invention.

Figure 6 (a) (b) is a block diagram showing a local exhaust device capable of adjusting the vortex according to the second embodiment of the present invention.

Figure 7 (a) (b) is a block diagram showing a local exhaust device capable of adjusting the vortex according to the third embodiment of the present invention.

   Explanation of symbols on the main parts of the drawings

101: exhaust pipe 102: suction port

109: motor member 110: rotating structure

112: rotating shaft 113: outer support member

130: outer wing for vortex generation 135: angle adjustment member

135a: vertical member 135b: coupling hole

135c: fixing member 150: inner blade for intake and exhaust

152: fixed end 154: free end

Claims (16)

A motor member installed in an exhaust pipe for guiding and exhausting air sucked through the inlet to generate a rotational driving force when the power is applied; A rotary structure disposed at the tip of the suction port so as to rotate with the center of the exhaust pipe as the center of rotation and connected to the drive shaft of the motor member; And Local part including a plurality of vortex generating outer wings for generating a vortex when rotating by assembling the angle adjusting member provided on the outer surface of the rotating structure to enable the angle adjustment with respect to the suction direction of the air through the inlet Exhaust system. The method of claim 1, It is provided in the rotary structure is provided on the rotary shaft which is located inside the rotary structure or the rotation center of the rotary structure is located inside the exhaust pipe to generate the intake and exhaust force in the interior of the rotary structure or the exhaust pipe when driving the motor Local exhaust device comprising an inner blade for the intake and exhaust. The method of claim 2, The inner blade for the exhaust fan is fixed to the outer peripheral surface of the rotating structure consisting of a hollow cylinder member having an inner surface and an outer surface parallel to the air suction direction, and is bent from the fixed end to extend the free end into the suction port Local exhaust device, characterized in that the length is extended. The method of claim 2, The inner blade for the exhaust gas is a local exhaust device, characterized in that the fixed end is fixed to the inner circumferential surface of the internal rotating structure disposed in the exhaust pipe is extended from the fixed end to extend the free end to the exhaust pipe side. The method of claim 1, The vortex generating outer blade is provided on the outer circumferential surface of the rotating structure consisting of a hollow cylinder member having an inner surface and an outer surface parallel to the air suction direction or a hollow disk member having an upper surface and a lower surface orthogonal to the air suction direction. Local exhaust device, characterized in that provided with a plurality on the lower surface of the rotating structure consisting of. The method of claim 1, The angle adjusting member is a vertical member extending in a vertical height perpendicular to the outer surface of the rotating structure inserted into the coupling hole formed in the center of the body of the outer blade for vortex generation, and the vortex angled with respect to the vertical member And a fixing member which is assembled to an end of the vertical member to fix the outer blade for generation, and is fixed to the outer blade for vortex generation. The method of claim 6, The vertical member is a local exhaust device characterized in that it has a plurality of protruding projections protruding in the longitudinal direction on the outer surface of the body so as to correspond to the plurality of coupling grooves recessed in the longitudinal direction on the inner surface of the coupling hole. The method of claim 6, The vertical member protrudes in the longitudinal direction a plurality of protruding jaws in the outer portion of the body portion to correspond to the plurality of coupling grooves formed in the lower inner surface of the coupling hole in the longitudinal direction, the rest of the body to be inserted into the upper inner surface of the coupling hole Local exhaust device characterized in that the outer surface is provided in a circular cross section. A motor member installed in an exhaust pipe for guiding and exhausting air sucked through the inlet to generate a rotational driving force when the power is applied; A rotary structure disposed at the tip of the suction port so as to rotate with the center of the exhaust pipe as the center of rotation and connected to the drive shaft of the motor member; A vortex generating outer blade provided with a plurality of spaced intervals on the outer surface of the rotating structure to form a vortex on the lower portion of the rotating structure while being rotated in one direction by the driving force of the motor member; And Local exhaust device comprising an inner blade for the exhaust fan provided in the rotary shaft or the rotation center of the rotating structure to form an intake and exhaust force inside the exhaust pipe while being rotated in one direction by the driving force of the motor member. 10. The method of claim 9, The inner blade for the exhaust fan is fixed to the outer peripheral surface of the rotating structure consisting of a hollow cylinder member having an inner surface and an outer surface parallel to the air suction direction, and is bent from the fixed end to extend the free end into the suction port Local exhaust device, characterized in that the length is extended. 10. The method of claim 9, The inner blade for the exhaust gas is a local exhaust device, characterized in that the fixed end is fixed to the inner circumferential surface of the internal rotating structure disposed in the exhaust pipe is extended from the fixed end to extend the free end to the exhaust pipe side. 10. The method of claim 9, The vortex generating outer blade is assembled by means of an angle adjusting member or positioned at a predetermined installation angle so that the angle can be adjusted on the outer circumferential surface of the rotating structure having a hollow cylinder member having an inner surface and an outer surface parallel to the air suction direction. Local exhaust device, characterized in that fixed. 10. The method of claim 9, The vortex generating outer blade is assembled or set in advance by an angle adjusting member so that the angle can be adjusted on the lower surface of the rotating structure having a hollow disk member having an upper surface and a lower surface perpendicular to the air suction direction. Local exhaust device, characterized in that the position is fixed to. The method according to claim 12 or 13, The angle adjusting member extends perpendicularly to the outer surface of the rotating structure and is inserted into a coupling hole formed in the center of the body of the outer blade for vortex generation, and a vortex generating angle adjusted around the vertical member. Local exhaust device characterized in that it is provided at the end of the vertical member so as to fix the outer blade is fixed to be fixed in close contact with the outer blade for vortex generation. The method of claim 14, The vertical member is a local exhaust device characterized in that it has a plurality of protruding projections protruding in the longitudinal direction on the outer surface of the body so as to correspond to the plurality of coupling grooves recessed in the longitudinal direction on the inner surface of the coupling hole. The method of claim 14, The vertical member protrudes in the longitudinal direction a plurality of protruding jaws in the outer portion of the body portion to correspond to the plurality of coupling grooves formed in the lower inner surface of the coupling hole in the longitudinal direction, the rest of the body to be inserted into the upper inner surface of the coupling hole Local exhaust device characterized in that the outer surface is provided in a circular cross section.

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