KR20220069742A - Fan device including tilting structure - Google Patents

Abstract

The objective of various embodiments is to prevent dust from entering a driving device of a fan device. A fan device having a tilting structure is disclosed. According to the present invention, the fan device having a tilting structure may comprise: a base; a support coupled to one side of the base; a case supported by the support, including a front grill, a middle case, and a rear grill, having a guide extending along a portion of the surface of the rear grill and having a penetrating guide formed therein, and having a fan disposed therein; and a tilting case disposed between the case and the support, having a protrusion occupying a portion of the penetrating guide, and surrounding the penetrating guide. Various embodiments are possible.

Description

A fan device having a tilting structure {FAN DEVICE INCLUDING TILTING STRUCTURE}

Various embodiments disclosed herein relate to a pan device having a tilting structure. For example, various embodiments relate to a fan device having a tilting structure capable of adjusting the angle of the fan without the tilting structure for adjusting the spray angle of air supplied by the fan not exposed to the outside.

Due to the influence of global warming, the demand for various cooling devices is increasing. With the increase in demand, various types of cooling devices are being manufactured. Various types of cooling devices include an air conditioner that controls the temperature of air using a refrigerant such as an air conditioner, a fan that generates wind using the rotational force of a motor, and a wind that provides air farther than the fan. Cooling devices of a new form factor, such as a circulator with improved straightness and a portable fan that can be used for moving or desktop use, are also increasing.

A fan and a circulator having a fan may include a tilting structure for vertical angle adjustment. The tilting structure can adjust the angle of the pan up and down. The tilting structure may be disposed outside the grill including the pan and exposed to the outside. In the tilting structure exposed to the outside, the structure for fastening with the main body including the fan is exposed to the outside, and external foreign substances may be introduced along the exposed opening.

Due to the introduced foreign substances, dust may be collected in the motor driving the fan, which may cause a malfunction of the driving motor. A solution is needed to solve the above-mentioned problems.

Various embodiments are intended to improve problems related to a conventional fan device, and an object of the various embodiments is to prevent dust from entering a driving device of the fan device.

In addition, an object of the various embodiments is to provide a method for supplying an abundant amount of air while smoothing the inflow of the air of the fan device and maintaining the straightness of the introduced air.

A pan device having a tilting structure according to various embodiments includes a base, a support coupled to one surface of the base, supported from the support, a front grill, a middle case, and a rear grill, and a portion of the surface of the rear grill A guide having a length is formed along it, a case in which a fan is disposed, a protrusion disposed between the case and the support, and occupying a part of the guide, is formed, and surrounding the guide It may include a tilting case.

The fan device having a tilting structure according to various embodiments may block dust from flowing into the inside of the fan from the outside by using the tilting structure that is not exposed to the outside. The fan device according to various embodiments of the present disclosure may block the inflow of dust, thereby preventing foreign substances from being introduced into the driving motor.

In addition, the fan device according to various embodiments of the present disclosure may ensure the straightness of the introduced air while facilitating the inflow of air.

1A is a front view of a fan device, according to one embodiment.
1B is a side view of a fan device, according to one embodiment.
1C is a rear view of a fan arrangement, according to one embodiment.
2 is an exploded perspective view of a fan device, according to an embodiment;
3 is a cross-sectional view of a fan device, according to an embodiment.
4 is a view showing a rear grill of the fan device, according to an embodiment.
5 is a view illustrating a tilting case surrounding the rear grill of the fan device, according to an embodiment.
6 is an example of a tilting operation of the pan device according to an embodiment.
7 is another example of a tilting operation of the pan device according to an embodiment.
8 is a cross-sectional view illustrating an arrangement relationship between a fan and a blade according to an embodiment.
9 is a diagram illustrating a coupling relationship between elements constituting a case of a fan device according to an embodiment.
10 is an exploded view of elements constituting a case of a fan device according to an embodiment.

Specific structural or functional descriptions of the embodiments according to the concept of the present invention disclosed in this specification are only exemplified for the purpose of explaining the embodiments according to the concept of the present invention, and the embodiment according to the concept of the present invention These may be embodied in various forms and are not limited to the embodiments described herein.

Since the embodiments according to the concept of the present invention may have various changes and may have various forms, the embodiments will be illustrated in the drawings and described in detail herein. However, this is not intended to limit the embodiments according to the concept of the present invention to specific disclosed forms, and includes changes, equivalents, or substitutes included in the spirit and scope of the present invention.

Terms such as first or second may be used to describe various elements, but the elements should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from other components, for example, without departing from the scope of rights according to the concept of the present invention, a first component may be named a second component, Similarly, the second component may also be referred to as the first component.

When a component is referred to as being “connected” or “connected” to another component, it may be directly connected or connected to the other component, but it is understood that other components may exist in between. it should be On the other hand, when it is said that a certain element is "directly connected" or "directly connected" to another element, it should be understood that the other element does not exist in the middle. Expressions describing the relationship between elements, for example, “between” and “between” or “directly adjacent to”, etc., should be interpreted similarly.

The terminology used herein is used only to describe specific embodiments, and is not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In this specification, terms such as “comprise” or “have” are intended to designate that the described feature, number, step, operation, component, part, or combination thereof exists, and includes one or more other features or numbers, It should be understood that the possibility of the presence or addition of steps, operations, components, parts or combinations thereof is not precluded in advance.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present specification. does not

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. However, the scope of the patent application is not limited or limited by these embodiments. Like reference numerals in each figure indicate like elements.

Hereinafter, a structure of a pan device including a tilting structure according to an embodiment will be described in detail.

1A is a front view of a fan device, according to an embodiment, FIG. 1B is a side view of the fan device, according to an embodiment, FIG. 1C is a rear view of the fan device, according to an embodiment; 2 is an exploded perspective view of the fan device according to an embodiment, and FIG. 3 is a cross-sectional view of the fan device, according to an embodiment.

Referring to FIG. 1A , the fan device 1 may be a device that provides cool air to a user who uses the fan device 1 . The fan device 1 may be a fan or a circulator that delivers air sucked by the rotation of the blade to the outside. The fan is a device that delivers the sucked air to the user's surroundings, and the circulator has a structure similar to that of the fan, but has a narrower area than the fan and high straightness, and can supply the air introduced at a fast flow rate. The circulator is used for the purpose of air circulation, and is often used together with an air conditioner such as an air conditioner. The circulator may move cold air supplied from an air conditioner such as an air conditioner. In addition, the circulator may direct the air supplied from the air conditioner to the upper part of the indoor space so that the cold air circulates downward by the density difference of the air. The circulator can uniformly lower the indoor temperature by circulating cool air.

According to various embodiments, the fan device 1 may include a case 100 , a support 200 , and a base 300 . One surface of the base 300 is a floor, or it may be supported by an upper surface of a table or desk. The base 300 is formed to have a thickness, and an empty space may be formed therein. For example, the base 300 may include one surface in contact with the floor, the other surface facing the one surface, and a side surface having a thickness connecting the one surface and an edge of the other surface. The base 300 may have an inner space surrounded by the one surface, the other surface, and the side surface. The base 300 may include an anti-slip member on the floor or one surface in contact with the upper surface of the table or desk. The anti-slip member may include a material having elasticity, such as rubber, and a surface in contact with the floor may be formed in a concave-convex shape to have frictional force.

According to various embodiments, an electronic device for driving the fan device 1 may be included in the internal space of the base 300 . For example, the base 300 may include, in an internal space, a battery, a charging circuit, a control circuit, an input device, and the like. The side of the base 300 may include an interface for receiving power from the outside. However, the location of the interface is not limited thereto. The interface may be formed not only on the side surface of the base 300 , but also on one surface of the base 300 in contact with the floor or the other surface facing the one surface.

The charging circuit may control power supplied from the interface to be delivered to the battery, and may bypass charging of the battery according to the degree of charging of the battery, thereby delivering power to the device for driving the fan. For example, when the remaining amount of the battery is approximately 80% or less, the charging circuit may control to provide power for charging the battery, while providing power for driving the fan. Of course, when there is no input signal for driving the fan, the charging circuit may control to use the input power only for charging the battery. For another example, when the remaining amount of the battery is about 80% or more, when an input signal for driving the fan is provided, the power supply provided by charging the battery is stopped, the circuit to the battery is bypassed, and the circuit for driving the fan is provided. It can be controlled to provide power. The charging circuit is not limited to the above-described embodiment, and various embodiments are possible. When the remaining amount of the battery is about 80% or more, it is possible to lower the power provided by charging the battery to a set level, and control to provide power for driving the fan.

According to various embodiments, the battery may occupy most of the empty space of the base 300 . The battery may be electrically connected to the interface, and may be electrically connected to the main board in order to transmit the supplied power to the control circuit and the driving motor. The battery may be electrically connected to the charging circuit and may be controlled by the charging circuit, as described above.

According to various embodiments, it may be combined with the support 200 on the other surface facing the one surface in contact with the bottom of the base 300 . The base 300 may be coupled to the support 200 to support the support 200 , and may fix the support 200 . The support 200 may be formed in a substantially (substantially) vertical direction from one surface of the base 300 .

The support 200 may support the case 100 of the fan device 1 . The support 200 may be fastened to a head area (eg, an area including the case 100 and components mounted in the case) of the fan device 1 to support the head area.

1B and 2 , the case 100 may include a front grill 110 , a middle case 120 , and a rear grill 130 . The case 100 may include a grill as a whole. The grills formed in the suction part and the discharge part of the case 100 may be formed in a shape similar to a grating.

According to various embodiments, in the middle case 120 , a fan blade (or a blade, an impeller) may be disposed. The middle case 120 may form a wind passage, and may be combined with the front grill 110 and the rear grill 130 .

The front grill 110 may include a grill to discharge the wind moving from the middle case 120 toward the user. The rear grill 130 may include a grill so that air is introduced into the air passage of the middle case 120 .

According to various embodiments, the front grill 110 and the rear grill 130 may include a plurality of ribs extending from the center. The front grill 110 may be formed to have a small curvature (or a large radius of curvature). For example, the front grill 110 may be formed substantially close to a plane, and the spokes formed on the front grill 110 may be formed along the plane of the front grill 110 toward the edge of the front grill 110 . have. According to various embodiments, the front grill 110 may include a hub connected to the flesh formed on the front grill 110 . The spokes formed on the front grill 110 may be curved extending along the edge of the front grill 110 . For example, the ribs extending from the hub of the front grill 110 may have a different inclination with respect to the direction toward the edge facing from the hub.

According to various embodiments, the rear grill 130 may be formed as a curved surface having a convex curvature in a direction away from the front grill 110 while facing the front grill 110 with the middle case 120 interposed therebetween. . The spokes formed on the rear grill 130 may extend toward the edge of the rear grill 130 along the curved surface of the rear grill 130 . The rear grill 130 may include a hub connected to the spokes formed on the rear grill 130 . When the rear grill 130 is orthogonal projected onto the surface facing the front grill 110 , the spokes formed on the rear grill 130 may extend in a straight line toward the edge of the rear grill 130 . That is, when looking at the convex surface of the rear grill 130 , the spokes of the rear grill 130 may be radially formed.

According to various embodiments, the tilting case 150 may be disposed between the case 100 and the support 200 . The tilting case 150 may be in contact with a portion of the rear grill 130 . The tilting case 150 may surround a portion of the rear grill 130 . The tilting case 150 is formed to surround the groove formed in the rear grill 130 , and may prevent the guide groove from being exposed to the outside.

According to various embodiments, the tilting case 150 may include a coupling unit 170 . The coupling part 170 may include a groove into which the coupling protrusion 210 for coupling with the support 200 is inserted.

Referring to FIG. 1C , the support 200 may include a fastening protrusion 210 and a height adjustment button 280 . The fastening protrusion 210 may be formed at one end of the support 200 . The fastening protrusion 210 may be inserted into the groove formed in the coupling part 170 to be fastened. For example, a fastening member (not shown) may be formed in the groove formed in the fastening protrusion 210 and the coupling part 170 . The fastening member may be a fastening member using a method such as fitting coupling or hook coupling. For example, a protrusion may be formed on a side surface of the fastening protrusion 210 , and a groove into which the protrusion may be inserted may be included in the inner surface of the coupling unit 170 . In addition, since the protrusion is formed of a structure having elasticity or a material having elasticity, the fastening protrusion 210 and the coupling unit 170 may be detachable. As another example, the fastening member may be fastened by screw-nut coupling. A screw line may be formed on a side surface of the protrusion 210 , and a nut screw line corresponding to the screw line of the protrusion 210 may be formed on an inner surface of the coupling part 170 . After inserting the protrusion 210 into the coupling portion, the case 100 including the coupling portion 170 may be rotated to be coupled to the support 200 . According to various embodiments, at the end of the screw line formed on the protrusion 210, a groove for fixing the position may be provided, and the groove corresponds to the end of the screw line of the nut on the inner surface of the coupling unit 170, and the elastic force It may include a protrusion having a

2 and 3 , the fan device may include a case 100 , a support 200 , and a base 300 . The case 100 may be supported through the support 200 extending from one surface of the base 300 .

The case 100 may be formed of a front grill 110 , a middle case 120 , and a rear grill 130 . The front grill 110 , the middle case 120 , and the rear grill 130 may be wrapped around each other to form an internal space. The inner space may be a space in which the fan 140 and the driving device 190 are disposed.

The front grill 110 may include a grill area 111 and a tubular fastening area 115 . The grill area 111 may include a hub and a plurality of spokes extending from the hub as described above. The fastening region 115 may be formed in a shape corresponding to the inside of the middle case 120 , and may be inserted into and fastened to an internal air passage of the middle case 120 . The fastening area 115 may be formed toward the middle case 120 from one surface of the grill area 111 . A side surface of the fastening region 115 may include a fastening member. The fastening member may be formed at a position corresponding to the fastening member formed on the side surface of the middle case 120 . Similar to the fastening structure of the fastening protrusion 210 of the support 200 and the coupling part 170 of the tilting case 150, the fastening member formed in the middle case 120 and the fastening area 115 is a fitting coupling, a hook coupling, It may be a member in which a screw connection or a screw and a hook are compositely formed.

According to various embodiments, the fan 140 and the driving device 190 may be disposed in a space formed by the front grill 110 , the middle case 120 , and the rear grill 130 . Specifically, the driving device 190 may be disposed in the motor housing 139 formed in the rear grill 130 . The driving device 190 may be supported by the driving support 195 . The driving support 195 may be coupled to the motor housing 139 , and the driving support 195 may fix the driving device, and may include an opening through which the driving shaft 163 may pass. A fan 140 may be coupled to the driving shaft 163 , and a fixing device 161 may be included at one end of the driving shaft 163 . After the driving shaft 163 is inserted into the opening formed in the center of the fan 140 , the fan 140 may be prevented from being separated by using the fixing device 161 at the end of the driving shaft 163 .

According to various embodiments, the rear case 130 may include a guide 400 in which the protrusion 151 may be positioned. The guide 400 may include a groove partially occupied by the protrusion 151 , and may be formed so that the protrusion 151 can reciprocate within the guide 400 . The guide 400 may be formed as a groove having a depth greater than a surface on which the grill area 131 of the rear grill 130 is formed. The guide 400 may be formed from the center of the rear case 130 toward an edge in contact with the support 200 .

The guide 400 may be formed so that the bottom surface of the motor accommodating part 139 is not exposed to the outside. The tilting case 150 may be formed not to expose the guide 400 to the outside, and the edge may be formed to surround the edge of the guide 400 . The distance between the sidewalls of the guide 400 may be a distance corresponding to the width of the protrusion 151 . Stoppers 411 and 412 for preventing movement of the protrusion 151 may be included at both ends of the inner wall of the guide 400 in the longitudinal direction (or in the movement direction of the protrusion 151 ). The stoppers 411 and 412 may be formed on the inner wall of the guide 400 in a shape to prevent movement of the protrusion 151 , and a separate member may be used.

According to various embodiments, the tilting case 150 may include an arm 155 extending from the protrusion 151 . One end of the arm 155 may be coupled to the protrusion 151 , and the other end may be coupled to the driving device 190 or the motor receiving unit 139 . One end of the arm 155 may be fixed to the protrusion 151 . The other end of the arm 155 may be hingedly coupled to the driving device 190 or the motor accommodating part 139 to perform a hinge movement. For example, the other end of the arm 155 may be coupled to the pin 199 formed on the wall surface of the motor accommodating part 139 through a coupling hole formed on the arm 155 . The coupling relationship between the arm 155 and the case 100 may not be limited thereto. For example, the arm 155 is expressed as a single member to support the case 100 , but may be formed of a plurality of links connected to each other.

According to various embodiments, the arm 155 may be formed in plurality. The arms 155 may be two arms 155 protruding toward the center of the case 100 near both edges of the protrusion 151 . The two arms 155 may be hinge-coupled to the sidewall of the motor housing 139 or may be hinge-coupled to the sidewall of the driving device 190 .

According to various embodiments, the arm 155 may be hinged with the case 100 to perform a hinge motion of the case 100 . The hinged hinge pin 199 of the arm 155 may be coupled to a motor driving the tilting operation. By driving the motor, the driving device 190 coupled to the arm 155 or the sidewall of the case 100 may perform a hinge motion, so that the case 100 of the fan device 1 may tilt. Although it has been described that the arm 155 is tilted, the present invention is not limited thereto.

For example, the fan device 1 may omit the arm 155 . The position between the rear grill 130 and the tilting case 150 may be determined by the concavo-convex portion formed in the groove included in the guide 400 to be described later, and the tilting movement may be performed by an external force. Since the arm 155 protruding from the protrusion of the tilting case 150 is omitted, the opening through which the arm 155 formed in the rear grill 130 passes may also be omitted. In this case, the inside of the motor housing 139 may be isolated from the outside.

As another example, when the arm 155 of the fan device 10 is omitted, a driving device for tilting may be disposed inside the protrusion 151 . The driving device disposed on the protrusion 151 may be engaged with a gear (not shown) formed on the sidewall of the guide 400 and a gear (not shown) protruding from the side of the protrusion 151 and connected to the shaft of the driving device. . The gear coupling may be a rack-and-pinion coupling. The gear connected to the shaft of the driving device may be a pinion gear, and the gear formed on the sidewall of the guide 400 may be a rack gear. In addition, other embodiments are possible.

According to various embodiments, the tilting case 150 may surround the guide 400 to prevent external exposure of the guide 400 . When the fan device 1 is driven, dust may be introduced from the outside by the air introduced from the rear grill 130 , and the introduced dust may be introduced into the motor housing 139 . The tilting case 150 may prevent damage to the motor due to the inflow of such foreign substances. When the arm 155 is omitted, the tilting case 150 may include a pitching device for tilting, and in this case, the tilting operation may be simplified.

The base 300 may include an interface 310 that can be connected to an external cable to receive power from the outside. The support 200 may be formed of a plurality of slidable tubes. The support 200 may include a height adjustment button 280 so that a plurality of slidable pipes can be extended. The height adjustment button 280 may be an electronic button. When the height adjustment button 280 is clicked, the tube located inside rises or descends, so that the height can be adjusted. The height adjustment button 280 is not limited thereto, and may be formed like a touch panel. As such, an input device capable of receiving an input from the outside is sufficient.

According to various embodiments, the height adjustment button 280 may be a physical manipulation button, different from the above-described example. For example, when the height adjustment button 280 is pressed, the protrusion, which was hung on the inner cylinder, is released, and the inner cylinder can be adjusted to a movable state. After adjusting the height of the unlocked inner cylinder, when the pressure of the height adjustment button 280 is released, the inner cylinder becomes a locked state and the height can be maintained.

According to the above-described various embodiments, the rear grill 130 may face the front grill 110 with the middle case 120 interposed therebetween, and may have a convex curvature in a direction away from the front grill 110 .

According to various embodiments, the guide 400 is formed as a groove corresponding to the movement of the protrusion 151, and extends from the center of the convex surface of the rear grill 130 to a point on the edge of the rear grill 130, It may be formed in a curved surface.

According to various embodiments, the moving direction of the guide 400 is determined by the protrusion 151 , and by the movement of the guide 400 , the case 100 slides along the surface of the tilting case 150 at a predetermined angle. can do.

According to various embodiments, the guide 400 may include two stoppers 411 and 412 formed at both end portions and a plurality of protrusions for determining positions of the protrusions.

4 is a view illustrating a rear grill of a fan device according to an embodiment.

Referring to FIG. 4 , the rear grill 130 may include a grill area 131 and a tilting area 137 . The grill area 131 may occupy most of the rear grill 130 . The tilting area 137 may have a constant width from the center of the rear grill 130 and may extend toward the edge of the rear grill 130 . The grill area 131 may extend from the edge of the tilting area 137 toward the edge of the rear grill 130 . The grill area 131 may be formed in a radial shape from the center of the rear grill 130 . The grill area 131 may be formed of a plurality of ribs, and each of the ribs may be spaced apart from each other. The formed gaps may be passages through which air is introduced into the case (eg, the case 100 of FIG. 1 ). Each of the spokes may be disposed to be symmetrical with respect to the center of the rear grill 130 .

The ribs forming the grill area 131 may be supported by circular ribs 132 formed in a direction perpendicular to the ribs. The circular rib 132 may be formed at a constant height from the surface formed by the edge of the rear grill. The circular rib 132 may be disposed concentrically with the edge of the rear grill.

According to various embodiments, the rear grill 130 may include a motor accommodating part (eg, the motor accommodating part 139 of FIG. 3 ) inside the tilting area 137 . An actuator, such as a motor, included in a driving device (eg, the driving device 190 of FIG. 3 ) disposed in the motor housing unit may cause a malfunction of the motor when foreign substances such as dust are introduced from the outside. Therefore, there is a need for a method for preventing the inflow of dust. Unlike the grill area, the tilting area 137 of the rear grill 130 is not formed as a flesh-like grill, so it is possible to prevent the motor from being exposed to the outside. The tilting area 137 may be an area covered by the tilting case 150 . The tilting case 150 and the tilting region 137 may prevent the motor housing unit accommodating the driving device (eg, the motor housing unit 139 of FIG. 3 ) from being exposed to the outside.

According to various embodiments, the guide 400 of the tilting area 137 may be formed as a groove recessed from the surface of the tilting area 137 . The guide 400 of the tilting area 137 may have a width corresponding to the protrusion 151 . The guide 400 of the tilting region 137 may have a length for smooth movement of the protrusion 151 . For example, the guide of the tilting region 137 is formed to correspond to the width of the protrusion 151 , and is formed by adding a movable distance of the protrusion 151 or the tilting case 150 to the length of the protrusion 151 . can

According to various embodiments, the guide 400 may form a groove and include a sidewall. The sidewalls formed at both ends in the longitudinal direction may serve as stoppers 411 and 412 . The stoppers 411 and 412 may restrict movement of the protrusion 151 . For example, when the protrusion 151 comes into contact with the first stopper 411 , it is possible to prevent further movement in the direction toward the first stopper 411 . The second stopper 412 may limit movement in a direction toward the second stopper 412 when the protrusion 151 contacts the second stopper 412 .

According to various embodiments, the guide 400 may include an opening 135 that passes through the groove included in the guide 400 and is formed in the longitudinal direction of the guide 400 .

According to various embodiments, the guide 400 may include a plurality of concavo-convex portions 138 formed in the groove for positioning. The plurality of concavo-convex portions 138 may be formed at regular intervals in the width direction. According to various embodiments, the plurality of concavo-convex portions 138 may be formed of a material having elasticity. The plurality of concavo-convex portions 138 have elasticity and may be deformed by pressing of the protrusion portion 151 . The concavo-convex portions 138 are expressed as being formed on the surface forming the groove of the guide 400 , but the present invention is not limited thereto. The concave-convex portions 138 may be formed on the sidewall of the groove of the guide 400 . For example, the concavo-convex portions 138 may be formed to extend a predetermined length from the sidewall of the groove of the guide 400 , may be deformed according to the progress of the protrusion 151 , and may be formed by the movement of the protrusion 151 . When the pressure is released, it can be restored to its original state.

5 is a diagram illustrating a tilting cover of a pan device according to an embodiment.

Referring to FIG. 5 , the tilting case 150 may include a protrusion 151 , a cover 159 , and a coupling unit 170 . The cover 159 may be formed to cover the entire tilting area 137 . The cover 159 may be slidably disposed on the tilting area 137 . The cover 159 may be coupled to the tilting region 137 to support the case (eg, the case 100 of FIG. 1 ).

A surface of the cover 159 facing the tilting region 137 may include a protrusion 151 protruding toward the groove of the guide 400 . The protrusion 151 may occupy a portion of the groove of the guide 400 , and may move along the groove of the guide 400 . The protrusion 151 may include an arm 155 formed from one surface toward the opening 135 . The arm 155 may extend from one surface of the protrusion 151 toward the opening 135 . The arm 155 may extend from the protrusion 151 to a structure capable of supporting a driving device (eg, the driving device 190 of FIG. 3 ).

According to various embodiments, the opening 135 formed in the longitudinal direction may be prevented from being exposed to the outside by the tilting case 150 . Even when the tilting case 150 is moved, the cover 159 having a sufficient width may be formed so that the opening 135 is not exposed to the outside.

A thickness d2 of one end 153 - 1 of the protrusion 151 may be thinner than a thickness d1 of the other end 153 - 2 . The other end 153 - 2 of the protrusion 151 may be disposed adjacent to the surface forming the groove of the guide 400 . The other end 153 - 2 of the protrusion 151 may be disposed to be spaced apart from the surface forming the groove. The other end 153-2 of the protrusion 151 is formed to reduce the resistance of the concavo-convex portion 138 formed on the guide 400, and when the protrusion 151 advances, there is little interference by the concavo-convex portion 138, After being disposed at a desired position by the one end 153 - 1 of the protrusion 151 , backward movement can be prevented.

A region protruding from the other surface of the cover 159 may be included, and the protruding region may include a coupling portion 170 . The coupling portion 170 may be coupled to and fixed to the coupling protrusion 210 of the support 200 .

6 is an example of a tilting operation of the pan device according to an embodiment, and FIG. 7 is another example of a tilting operation of the pan device, according to an embodiment.

Referring to FIG. 6 , the rear grill 130 may include a first stopper 411 and a second stopper 412 formed in the groove of the guide 400 . The tilting case 150 may be formed in a shape in which the cover 159 surrounds the guide 400 . One end of the protrusion 151 extending from one surface of the tilting case 150 (eg, one end 153 - 1 of the protrusion of FIG. 5 ) may contact the second stopper 412 . The position of the tilting case 150 may be determined by the protrusion 151 in contact with the second stopper 412 . The concavo-convex portion 138 formed from the surface of the guide groove may be in contact with the other end of the protrusion 151 (eg, the other end 153 - 2 of the protrusion of FIG. 5 ).

Referring to FIG. 7 , a shape in which the rear grill 130 is slid at a predetermined angle is shown. As the rear grill 130 slides, the protrusion 150 moves away from the second stopper 412, and the position of the tilting case 150 can be determined by the concavo-convex part 138 formed in the groove of the guide 400. have.

When the rear grill 130 moves further than in the case of FIG. 7 , the other end of the protrusion 150 (eg, the other end 153 - 2 of the protrusion of FIG. 5 ) may contact the first stopper 411 . When the protrusion 150 is in contact with the first stopper 411 , the movement of the rear grill 130 may be restricted.

8 is a diagram illustrating an arrangement of a fan and a blade, according to an embodiment.

Referring to FIG. 8 , the fan 140 may be disposed in a space formed by the middle case 120 and the rear grill 130 .

According to various embodiments, a portion of the fan 140 may occupy the space of the middle case 120 , and the remainder of the fan 140 may be disposed in the space of the rear grill 130 .

The air introduced from the rear grill 130 may be introduced into the air by the remainder of the fan 140 disposed on the rear grill 130 , and the introduced air is discharged to the outside by rotation of the fan 140 . can do.

According to various embodiments, it may have the longest length a in the axial direction of the blade. From the interface between the middle case 120 and the rear grill 130 , the length b of the blade furthest in the middle case 120 direction is from the interface between the middle case 120 and the rear grill 130 , the rear grill 130 direction. The length of the furthest blade can be longer than c.

According to various embodiments, the area of the fan 140 disposed in the middle case 120, which is an area corresponding to the length b of the blade furthest in the direction of the middle case 120, has a great influence on discharging the wind to the outside, The area of the fan 140 disposed on the rear grill 130 greatly affects the suction of wind into the case 100 .

The fan has the longest distance c from the intersection of the interface between the rear grille and the middle case to the suction surface (the blade surface furthest in the rear grill direction) and the longest distance to the blowing surface (the blade surface furthest in the middle case direction). The ratio of b may be approximately 1:10 to 1:5. In order to deliver the flow rate to the outside while ensuring the suction flow rate, the distance b may be longer than the distance c. In addition, the fan 140 may be disposed at a distance c to the rear grill to secure a suction flow rate.

9 is a diagram illustrating a coupling relationship between a case of a fan device according to an exemplary embodiment. Fig. 10 is an exploded view of the case of the fan device.

9 and 10 , the case 100 may include a front grill 110 , a middle case 120 , and a rear grill 130 . The case 100 may be sequentially disposed in a direction from the inlet to the outlet, in the order of the rear grill 130 , the middle case 120 , and the front grill 110 .

The front grill 110 may include a fastening member 117 formed at an edge and a tubular fastening area 115 that may be inserted into the inner surface of the middle case 120 . The fastening member 117 may be formed to be inserted into a groove formed at an edge of the middle case 120 . The fastening region 115 may be inserted into a fastening groove formed on the inner surface of the middle case 120 . The fastening groove may be a groove formed between the flow rate converting unit 930 and the inner wall of the middle case 120 to be described later. The front grill 110 may include a first surface 919 positioned at an end of the fastening area 115 . The middle case 120 may include a second surface 929 that is in contact with the first surface 919 .

According to various embodiments, the middle case 120 may include a flow rate converter 930 for changing an inner diameter. The flow rate converting unit 930 may have a streamlined shape, and a portion facing the rear grill 130 may form a convex curved surface, and may form a concave curved surface toward a portion facing the front grill 110 . The end of the flow rate converter 930 formed as a concave curved surface may be smoothly connected to the surface of the fastening region 115 . The flow rate conversion unit 930 may be formed in the air path WP inside the middle case 120 to change the diameter of the air path WP. The air introduced into the air passage WP from the rear grill 130 passes through a narrowed area by the flow rate converter, and the flow rate may increase. The air passing through the flow rate conversion unit may be delivered to the fastening area 115 of the front grill 110 , and the wind having straightness may be discharged along the inner surface formed in the straight direction of the fastening area 115 to the outside.

The aforementioned flow rate conversion unit 930 may be integrally formed with the middle case 120 . However, the present invention is not limited thereto, and may be formed as a ring inserted into the middle case 120 , or may be manufactured using different materials, such as double injection, or the like.

According to various embodiments, the coupling portion 911 of the rear grill 130 and the coupling groove 921 of the middle case may be fitted and coupled to each other. The middle case 120 may include a fastening control member 129 extending from an edge and having elasticity. When the fastening control member 129 is pulled in the radial direction of the middle case 120 , the coupling groove 921 may be deformed to separate the middle case 120 and the rear grill 130 .

According to various embodiments, the motor housing 139 may be formed as an independent space within the rear grill 130 .

According to various embodiments, a fan (eg, the fan 140 of FIG. 3 ) is disposed in the middle case 120 , and preferably, among the air passages of the middle case 120 , the air flow rate converts unit 930 . The center of the fan may be positioned in the narrowest place, and may be manufactured to increase the diameter of the blade toward the rear grill 130 .

Based on the structure of the pan device including the tilting structure according to the above-described embodiment, the operation of the pan device including the tilting structure will be described below.

1A, 1B, 1C, 2, and 3 , power may be applied to the interface 310 of the fan device 1 . The applied power may drive the driving device 190 through a control circuit, a charging circuit, etc. disposed inside the base 300 . When a driving device for tilting or a driving device for left and right movement of the case is included, when a signal related to vertical, horizontal, and vertical movement is transmitted, supplied power may be transmitted to drive the driving device.

According to various embodiments, the fan 140 may rotate as the driving shaft 1653 rotates by the power applied to the driving device 190 . Due to the rotation of the fan 140 , air introduced from the rear grill 130 may be delivered to the air passage WP.

8 and 9 , some of the blades of the fan 140 may be disposed on the rear grill 130 , and the remainder of the blades may be disposed on the middle case 120 . Air may be further sucked from the rear grill 130 by the blade disposed on the rear grill 130 . The sucked air may be delivered to the air passage by the blade area disposed in the middle case 120 .

According to various embodiments, the air delivered to the air passage WP may be accelerated by the flow velocity converting unit 930 formed inside the air passage WP. The fan 140 is disposed at a narrowing point of the flow rate converter 930 , thereby further increasing the efficiency of the fan 140 . The air may pass through the flow rate converter 930 and pass through the inner wall of the front grill 110 (eg, the inner wall of the fastening region 115 ) formed to be close to a constant diameter. The air discharged to the outside through the front grill 110 has straightness and a high flow rate, so that air can be delivered to a distant target.

The pan device according to the above-described various embodiments includes the tilting case 150 surrounding the tilting area 137 of the rear grill 130 , so that the tilting structure is not exposed to the outside, thereby improving aesthetics. In addition, the fan device can prevent the external exposure of the motor housing in which the driving device is accommodated by the tilting case 150 to block dust flowing into the motor housing, thereby preventing the failure of the motor. .

The fan device according to the above-described various embodiments may increase the amount of air introduced through the rear grill by allowing a portion of the blade to be disposed on the rear grill 130 . In addition, through the blade disposed on the middle case 120, it is possible to increase the flow rate.

The fan device according to various embodiments may adjust the diameter of the air passage therein, and through this, may increase the flow rate of air flowing out to the outside.

The fan device (eg, the fan device 1 of FIG. 1A ) according to the various embodiments described above includes a base (eg, the base 300 of FIG. 1A ), a support coupled to one surface of the base (eg, a support member of FIG. 1A ) Support 200), supported from the support, a front grill (eg, the front grill 110 of FIG. 1B), a middle case (eg, the middle case 120 of FIG. 1B), a rear grill (eg, of FIG. 1B) A guide (eg, the guide 400 of FIG. 3 ) having a length along a part of the surface of the rear grill is formed therein, and a fan (eg, the fan 140 of FIG. 2 ) is formed therein. )) in which the case (eg, the case 100 of FIG. 1A ) is disposed, and a protrusion (eg, the protrusion 151 in FIG. 3 ) disposed between the case and the support and occupying a part of the guide is formed and , a tilting case surrounding the guide (eg, the tilting case 150 of FIG. 1C ) may be included.

According to various embodiments, the rear grill may face the front grill with the middle case interposed therebetween, and may have a convex curvature in a direction away from the front grill.

According to various embodiments, the guide may be formed as a groove corresponding to the movement of the protrusion, and may extend from the center of the convex surface of the rear grill to a point on the edge of the rear grill to have a curved surface.

According to various embodiments, the moving direction of the guide is determined by the protrusion, and by the movement of the guide, the case may slide along the surface of the tilting case at a predetermined angle.

According to various embodiments, the guide may include two stoppers formed at both end portions and a plurality of concavo-convex portions for determining positions of the protrusions.

According to various embodiments, the guide includes an opening (eg, the opening 135 in FIG. 4 ) that passes through the rear grill and is formed in the longitudinal direction, and the tilting case includes the fan disposed in the case. and an arm that occupies a portion of the opening.

According to various embodiments, the arm is hinged to a structure supporting the fan, and the arm may reciprocate curvedly by a driving device.

According to various embodiments, the fan includes a blowing surface facing the front grill and a suction surface facing the rear grill, a part of the fan is disposed inside the middle case, and the rest of the fan is of the rear grill Some may be placed.

According to various embodiments, the longest distance from the intersection of the rear grill and the interface between the middle case to the suction surface and the longest distance to the blowing surface of the fan may be about 1:10 to 1:5.

According to various embodiments, the middle case may include a wind passage (eg, the wind passage WP of FIG. 9 ) therein, and the inside of the middle case partially makes the air passage small. A curved surface protruding toward the center (eg, the flow velocity converting unit 930 of FIG. 9 ) may be formed.

Methods according to the embodiments described in the claims or specifications of the present disclosure may be implemented in the form of hardware, software, or a combination of hardware and software. In the specific embodiments of the present disclosure described above, elements included in the disclosure are expressed in the singular or plural according to the specific embodiments presented. However, the singular or plural expression is appropriately selected for the context presented for convenience of description, and the present disclosure is not limited to the singular or plural element, and even if the element is expressed in plural, it is composed of the singular or singular. Even an expressed component may be composed of a plurality of components.

Meanwhile, although specific embodiments have been described in the detailed description of the present disclosure, various modifications are possible without departing from the scope of the present disclosure. Therefore, the scope of the present disclosure should not be limited to the described embodiments and should be defined by the claims described below as well as the claims and equivalents.

Claims (10)

A fan device, comprising:
Base;
a support coupled to one surface of the base;
a case supported by the support and including a front grill, a middle case, and a rear grill, a guide having a length along a portion of a surface of the rear grill is formed, and a fan is disposed therein; and
and a tilting case disposed between the case and the support, a protrusion occupies a part of the guide, and surrounding the guide.
According to claim 1,
The rear grill faces the front grill with the middle case interposed therebetween and has a convex curvature in a direction away from the front grill.
3. The method of claim 2,
The guide is formed as a groove for guiding the movement of the protrusion, and extends from a center of a convex surface of the rear grill to a point on an edge of the rear grill to have a curved surface.
4. The method of claim 3,
A movement direction of the guide is determined by the protrusion, and by movement of the guide, the case is slidable along the surface of the tilting case at a predetermined angle.
5. The method of claim 4,
The guide includes two stoppers formed at both end portions and a plurality of concavo-convex portions for determining positions of the protrusions.
According to claim 1,
The guide includes an opening passing through the rear grille and formed in a longitudinal direction,
The tilting case includes an arm that supports the fan disposed in the case and occupies a part of the opening.
7. The method of claim 6,
The arm is hinged to a structure supporting the fan, and the arm is curved and reciprocated by a driving device.
According to claim 1,
The fan includes a blowing surface facing the front grill, and a suction surface facing the rear grill,
A part of the fan is disposed inside the middle case, and the other part of the fan is disposed on a part of the rear grill.
9. The method of claim 8,
In the fan, the ratio of the longest distance between the suction surface and the longest distance from the intersection to the blowing surface from the intersection of the rear grill and the interface of the middle case is 1:10 to 1:5.
According to claim 1,
The middle case may include a wind passage therein,
A fan device in which the inside of the middle case forms a curved surface protruding toward the center of the air passage which partially makes the air passage small.

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