KR20180061094A - Portable wingless fan and stand type fan apparatus having this same - Google Patents

Abstract

Disclosed are a wingless portable fan, and a standing fan apparatus having the same. The disclosed wingless portable fan comprises: a lower casing comprising a handle unit gripped by a user and an air-inflow unit formed at an upper end of the handle unit and having a plurality of air-inflow holes provided on an outer surface of the air-inflow unit; and an upper casing connected to the air-inflow unit, wherein a circular tube unit having a fan motor therein, a tube expansion unit integrated with an upper end of the circular tube unit and becoming expanded toward an upper portion of the tube expansion unit, and an annular nozzle unit connected to an upper portion of the tube expansion unit and forming a ring-type air spray hole for allowing air to be discharged and sprayed around an inner circumferential surface are included.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a fan-type portable fan and a fan-

The present invention relates to a wingless portable fan, and it is an object of the present invention to provide a wingless portable fan having an improved shape to reduce the manufacturing cost by providing an expansion portion for diffusing air to be delivered from the fan motor to the casing itself, The present invention relates to a wingless portable fan.

Generally, a fan is a device that gives a feeling of cool in hot weather by generating a wind by rotating a wing according to driving of a motor, and it is widely used in summer.

In recent years, a wingless type fan has been developed and released from Dyson, and such a wingless fan is disclosed in Japanese Patent Laid-Open No. 10-1113034.

The fanless fan of Dyson Co., which is disclosed in the Japanese Patent No. 10-1113034, is a stand type which is installed in an indoor standing upright form and is very large in size so that a portable fan It can not be used.

In addition, the conventional wingless fan of the Dyson Company has a fan motor in which a diffuser is coupled in a vertical circular tube body, and an annular nozzle portion is connected to the upper portion of the circular tube. A fan motor The conventional fan motor can not be applied in the production of an electric fan, resulting in an increase in manufacturing cost.

In addition, the conventional wingless fan of the Dyson Company has a structure in which the electric motor of the fan motor is disposed at the upper portion and the impeller is disposed at the lower portion, and the diffuser is wrapped around the fan motor. There was a problem that flow did not want.

In the meantime, a portable fan having a wing has been developed and marketed, and a portable fan having such a wing has been disclosed in Published Utility Model No. 20-2016-0004060, Registered Utility Model No. 20-0485814.

However, such a conventional portable fan having a wing is required to be used only in a form to be gripped by the user. Therefore, there is a problem that the user's arm and hand are strong when used continuously. In addition, The length of the city was long, and it was difficult to keep it in a small storage place such as a bag having a small length and it was difficult to keep it.

Patent No. 10-1113034 Open Utility Model No. 20-2016-0004060 Registered utility model 20-0485814

SUMMARY OF THE INVENTION The present invention has been made to solve the conventional problems as described above, and it is an object of the present invention to provide an air conditioner in which a fan unit, The present invention aims at providing a wingless portable fan having an improved shape.

In addition, the present invention can be used by grasping with the hand of a user, is easily usable by hanging on a neck, and is usable. Further, the fan can be folded in the longitudinal direction to reduce the overall length, The present invention is directed to providing a portable fan without a fan.

In addition, the present invention can be used as a stand-type portable electric fan without a wing, which can be used by being held by hand or used for hanging on a neck, can be used as well as the front and rear angles of the portable electric fan can be adjusted, And an object of the present invention is to provide a stand-type fan apparatus provided with a wingless portable fan having an improved shape for reciprocating motion.

In order to accomplish the above object, the present invention provides a wingless portable air conditioner comprising: a lower casing formed by a handle portion to be held by a user, and an air inflow portion formed on an upper end of the handle portion and having a plurality of air inflow holes; A circular tubular part installed to be connected to the air inflow part and having a fan motor installed therein, an expanded part formed integrally with the upper end of the circular tubular part and extending to the upper part, And an upper casing formed of an annular nozzle portion having a ring-shaped air ejecting opening through which air is ejected along an inner circumferential surface of the upper casing.

Wherein the fan motor is a circular fan motor comprising: a cylindrical motor casing vertically opened and provided on an inner circumferential surface of the circular tube portion; an electric motor provided at an inner lower portion of the motor casing; and an electric motor connected to the rotary shaft of the electric motor, And an impeller installed on the upper part.

Wherein the upper casing and the lower casing are configured to be foldable by a hinge unit, the upper casing and the lower casing are connected to each other in a longitudinal direction, and a first use state in which the user grasps and uses the handle, And the lower casing may be folded and arranged in parallel with each other to include a storage state in which the total length is reduced.

The upper casing and the lower casing may be inclined at an angle so that the neckline is hooked on the user's neck so that the lower casing is supported by the user's upper body, And a second use state in which the flowing air injected from the welcome nozzle portion is supported on the longitudinal direction of the user to face the user's face.

A stand-type fan unit with a wingless portable fan according to the present invention comprises a lower casing formed by a handle portion held by a user and an air inlet portion formed on an upper end of the handle portion and having a plurality of air inflow holes on an outer circumferential surface thereof, A portable fan installed to be adhered to an upper end of the casing and having a fan motor installed on a lower inner side thereof and an upper casing having an annular nozzle portion formed with an annular air injection hole through which air is ejected along an inner peripheral surface thereof; And a mounting unit on which the handgrip is mounted to mount the portable fan in an upright form.

The mounting unit includes: a body portion; A rotating plate installed to the left and right of the upper end of the main body; A pair of support bars installed so as to extend from both sides of the rotary plate to the upper side; And a seating member disposed between the pair of support bars, both sides of which are rotatably supported on the pair of support bars, and a seating member for seating and fixing the handle on the inside.

The mounting unit may further include a rotating unit installed inside the main body and driving the rotating plate to reciprocate in a left-right direction at a predetermined angle.

The rotating unit includes: a first gear portion formed on an outer circumferential surface of a rotating shaft passing through an upper end of the main body portion from a center of the rotating plate; A driving motor provided inside the main body; A cam member having one side connected to the driving shaft of the driving motor and rotated, and the other side having an eccentric shaft; And a second gear portion in the form of a belt is formed on one surface of the long hole, and the rotation shaft of the long shaft is inserted into the cam hole of the cam member, so that the eccentric shaft is rotatably connected, And an operation bar that reciprocates while the elongated hole is guided by the rotation shaft according to the rotation, and the second gear portion rotates the first gear portion in one direction and the other direction.

The mounting unit may further include an angle adjusting unit installed to connect the pair of supporting bars and the seating member to each other and adjusting an angle of forward and backward of the seating member with respect to the pair of supporting bars .

Wherein the angle adjusting unit comprises: a rotation support portion formed of a rotation shaft formed on an inner surface of the pair of support bars and a first serrated portion formed on the outer side of the rotation shaft hole; And a rotary shaft portion formed of a shaft member formed on a side surface of the seating member to be inserted into the rotary shaft hole and a second tooth portion formed circumferentially on the outer side of the shaft member and engaged with the first toothed portion, When the seating member is rotated at a predetermined angle back and forth with respect to the pair of support bars, the second saw is engaged with the second toothed portion at a position after the sub-tooth has crossed over the gear of the first toothed portion and angularly rotated The rotated angle can be configured to be fixed.

A rotation angle restricting groove formed in a sector shape having a predetermined arc is formed on the inner side surface of the pair of support bars, and the rotation angle restricting groove is inserted into the rotation angle restricting groove on the side surface of the restricting member, An angle restricting stopper may be formed for restricting the forward and backward rotation angles of the seating member by engaging the front end of the rotation angle restricting groove and the rear end of the rotation angle restricting groove.

According to the present invention, since the wingless portable fan of the present invention is formed with the expansion part functioning as a diffuser in the upper casing itself, it is not necessary to use a fan motor equipped with a diffuser separately, and a commercially available circular fan motor can be used The impeller is disposed on the upper part of the electric motor, the expansion part is formed on the upper part of the impeller, and the annular nozzle part is formed on the upper part of the expansion part. The flow air is conveyed to the annular nozzle portion to improve the blowing performance.

In addition, since the wingless portable fan of the present invention can be used while being held by the user, the lower casing and the upper casing can be bent at a predetermined angle and hooked to the neck, The upper casing can be completely folded so that the upper casing is arranged in parallel, and the entire product can be stored in a reduced state.

In addition, the stand-type fan unit provided with a wingless portable fan can be easily detached from the mounting unit and can be easily held by a user or hanging on the neck, It can also be used as a stand-type fan in an upright position.

In particular, in the stand-type fan unit of the present invention, it is possible to control the vertical angle of air blowing by the wingless portable fan unit by manipulating the forward and backward tilting angles of the wingless portable fan unit by operating the stationary unit, So that the fan can be reciprocated in a predetermined angle range, and the fan-less portable fan is reciprocally rotated in the lateral direction to blow air.

1 is a perspective view of a stand-type fan unit having a wingless portable fan unit and a wingless portable fan unit according to an embodiment of the present invention,
FIG. 2 is an exploded perspective view showing a state where the wingless portable fan is separated from the mounting unit in FIG. 1,
FIG. 3 is an exploded perspective view showing the state in which FIG. 2 is viewed from another angle,
FIG. 4 is an inverted top view of the upper casing of a wingless portable fan of the present invention,
FIG. 5 is a view showing a lower casing of a wingless portable fan according to the present invention,
6 is a view showing the inner structure of the lower casing and the upper casing of the wingless portable fan according to the present invention,
7 is a cross-sectional view showing a wingless portable fan of the present invention,
8 is a view showing a storage state of a wingless portable fan according to the present invention,
9 is a view illustrating a state in which the wingless portable fan is hung on a user's neck,
10 is a front view showing a mounting unit of the stand-type wind power unit of the present invention,
11 is a perspective view showing a state in which the seating member is separated from the pair of support bars in the mounting unit of the present invention,
Fig. 12 is a view showing a state in which Fig. 11 is viewed from the other direction,
13 is a cross-sectional view for explaining a state of engagement between the rotary support portion and the rotary shaft portion of the stationary unit according to the present invention,
14 is a cross-sectional view showing a state in which the seating member is adjusted in the longitudinal direction in the mounting unit of the present invention,
15 is a perspective view showing a specific configuration of the rotating unit by removing the bottom surface of the main body unit in the mounting unit of the present invention,
16 is a perspective view showing a specific configuration of the pivoting unit in a state where the main body unit is controlled in the mounting unit of the present invention,
17 is a view showing the operating state of the rotating unit in the mounting unit of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features, and advantages of the present invention will become more readily apparent from the following description of preferred embodiments with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Rather, the embodiments disclosed herein are provided so that the disclosure can be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

In this specification, when an element is referred to as being on another element, it may be directly formed on another element, or a third element may be interposed therebetween. Further, in the drawings, the thickness of the components is exaggerated for an effective description of the technical content.

Embodiments described herein will be described with reference to cross-sectional views and / or plan views that are ideal illustrations of the present invention. In the drawings, the thicknesses of the films and regions are exaggerated for an effective description of the technical content. Thus, the shape of the illustrations may be modified by manufacturing techniques and / or tolerances. Accordingly, the embodiments of the present invention are not limited to the specific forms shown, but also include changes in the shapes that are produced according to the manufacturing process. For example, the etched area shown at right angles may be rounded or may have a shape with a certain curvature. Thus, the regions illustrated in the figures have attributes, and the shapes of the regions illustrated in the figures are intended to illustrate specific forms of regions of the elements and are not intended to limit the scope of the invention. In the various embodiments of the present specification, the terms first, second, etc. are used to describe various components, but these components should not be limited by these terms. These terms have only been used to distinguish one component from another. The embodiments described and exemplified herein also include their complementary embodiments.

The terminology used herein is for the purpose of illustrating embodiments and is not intended to be limiting of the present invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. The terms "comprises" and / or "comprising" used in the specification do not exclude the presence or addition of one or more other elements.

In describing the specific embodiments below, various specific details have been set forth in order to explain the invention in greater detail and to assist in understanding it. However, it will be appreciated by those skilled in the art that the present invention may be understood by those skilled in the art without departing from such specific details. In some instances, it should be noted that portions of the invention that are not commonly known in the description of the invention and are not significantly related to the invention do not describe confusing reasons to explain the present invention.

Hereinafter, with reference to the drawings, a wingless portable fan and a stanchion fan device having the portable fan according to an embodiment of the present invention will be described

1 to 3, the wingless portable fan 100 of the present invention is configured to include a lower casing 110 and an upper casing 120.

The lower casing 110 is configured to include a handle 112 and an air inlet 114 formed integrally with the upper end of the handle 112 and having a plurality of air inflow holes 114a formed on the outer circumferential surface thereof.

Referring to FIGS. 1 and 6, a rechargeable battery 151 is installed in the handle 112 in the longitudinal direction, and a control board 152 for controlling the fan is installed. The control board 152 is provided with a button 154 for turning on / off the operation of the fan, and the button 154 is configured to be exposed to the outside of the handle 112. The air inlet 114 is formed in an enlarged form with a diameter gradually increasing toward the upper part, and a plurality of air inflow parts 114a are formed through the front outer circumferential surface and the rear outer circumferential surface.

The upper casing 120 is installed on the upper portion of the lower casing 110 and is configured to include a circular tube portion 122, an expansion portion 124, and an annular nozzle portion 126.

Referring to FIGS. 3 and 6, the circular tube portion 122 is hingably installed at the upper end of the lower casing 110, and a fan motor 140 is installed therein. The circular tube portion 122 is connected to the upper end of the air inlet portion 114 so that the air introduced into the air inlet portion 114a of the air inlet portion 114 flows into the circular tube portion 122 Lt; / RTI > Referring to FIG. 4, a grill-shaped cover 123 having a plurality of holes 123a is formed at the lower end of the circular tube portion 122 in the present invention.

The tube portion 124 is integrally formed from the upper end of the circular tube portion 122 to an upper portion thereof and is formed to extend from the circular tube portion 122 toward the upper portion. The expanding part 124 serves to diffuse the blower fan due to the expansion of the fan motor 140 by driving the fan motor 140 to the annular nozzle part 126.

The annular nozzle portion 126 is integrally formed on the upper portion of the expansion portion 124 and has an annular shape formed with a hollow portion at the center and has a circular ring shaped air injection opening 126a along the inner peripheral surface of the hollow portion, The air conveyed from the expanding portion 124 is blown to the front of the annular nozzle portion 126 through the air jet opening 126a. The principle that the air is supplied to the annular nozzle portion 126 and the air is discharged through the ring-shaped air injection hole 126a is the same as that of the annular nozzle portion of the conventional fan without the wings of the Dyson Company.

In addition, on both sides of the annular nozzle portion 126 of the upper casing 120, a ring 128 is integrally formed to allow the user to hang the portable electric fan of the present invention on the neck so that a necklace string is connected thereto.

The fan motor 140 of the present invention comprises a circular fan motor. Specifically, the fan motor 140 has a cylindrical motor casing 142 that is opened up and down, an electric motor 145 provided below the motor casing 142, And an impeller 147 connected to the rotary shaft of the electric motor 145 and installed on the electric motor 145.

Here, the electric motor 145 is configured to be connected to and supported by a support bracket 143 extending from the inner peripheral surface of the lower end of the motor casing 142 toward the center.

The electric motor 145 of the present invention is electrically connected to the control board 152 and is configured to be controlled. The electric motor 145 is configured to operate according to the operation of the button 154.

The electric motor 145 is configured to be driven by receiving the power of the rechargeable battery 151. The rechargeable battery 151 includes a charging port 156 formed at one side of the handle 112 of the lower casing 110, So that it can be charged and used.

In the present invention, the lower casing (110) and the upper casing (120) are hinged to each other by the hinge unit (130) to be foldable.

3 to 5, the hinge unit 130 has a hinge shaft 134 at one end of the upper end of the air inlet 114 and a hinge shaft 134 at a lower end of the circular tube portion 122. [ And a hinge shaft support portion 132 for supporting the hinge shaft 134 in a rotatable manner is installed. Accordingly, the upper casing 120 with respect to the lower casing 110 can be hinged by the hinge unit 130 and folded.

The hinge shaft support part 132 of the present invention is not formed in a complete ring shape but is formed in an arch shape having one side cut out so that the hinge shaft 134 is press-fitted through the cut part of the hinge shaft support part 132, The lower casing 110 and the upper casing 120 can be easily separated from each other and assembled with each other.

The hook 123 is provided at a lower end of the circular tubular portion 122, that is, at a position opposite to the hinge shaft 134, and the other end of the air inlet 114, that is, the hinge shaft support portion 114, And a hooking groove 138 is formed at a position opposed to the hook 123 to which the hook 123 is coupled.

3 and FIG. 3, when the hook 123 is locked by the hooking groove 138, the lower casing 110 and the upper casing 120 are assembled such that they are connected in series in the longitudinal direction as shown in FIGS. When the upper casing 120 is bent with respect to the lower casing 110 in a state where the hook 123 is locked by the hooking groove 138 and the hook 23 is hooked on the hooking groove 138 It can be released and unlocked.

2, the lower casing 110 and the upper casing 120 are assembled in a longitudinal direction so as to be connected in a line so that the user can move the lower casing 110 The lower casing 110 and the upper casing 120 are folded on the basis of the hinge units 132 and 134 so that the lower casing 110 and the lower casing 120 are folded as shown in FIG. (Storage state) so that the upper casing 110 and the upper casing 120 are arranged in parallel. In the case where the lower casing 110 and the upper casing 120 are folded so as to be located in parallel, the entire length of the portable fan can be reduced, so that the portable fan can be easily stored in a small storage space.

9, a necklace string w connected to the loop 128 may be used to hang the lower casing 110 and the upper casing 120 at the user's neck, while the lower casing 110 and the upper casing 120 are folded at a predetermined angle (Second use state). In this case, the lower casing 110 is supported in a substantially vertical state so as to contact the upper body of the user, and is inclined at a predetermined angle to the lower casing 120 of the upper casing 120, So that the blower air jetted from the nozzle unit 126 can be jetted toward the user's face.

It is preferred that the present invention is configured such that each ring 128 is formed at a location less than one-half the diameter of the annular nozzle portion 126. This allows the user to insert a necklace string w, The upper casing 120 is prevented from coming into close contact with the user's upper body while the lower casing 110 is supported vertically so as to be in contact with the upper body, So that the inclined state at a predetermined angle can be stably maintained.

That is, when the ring 128 is formed at a position higher than 1/2 of the diameter of the annular nozzle portion 126, when the user hooks the necklace string w connected to the ring 128 to the neck, The annular nozzle portion 126 may not be able to jet the blower toward the user's face but may be sprayed only toward the user's upper body (chest). However, The lower casing 110 is vertically supported so as to be in contact with the upper body so that the annular nozzle portion 126 of the upper casing 120 It is possible to keep the face stably looking, and blowers can be formed toward the face.

The present invention is also applicable to an air conditioner of an existing Dyson company because the upper casing 120 itself is provided with an expansion part 124 functioning as a diffuser to diffuse the airflow generated from the fan motor 140 and transfer it to the annular nozzle part 120 It is not necessary to separately manufacture and use a fan motor equipped with a diffuser as in the case of a fan, and a general circular fan motor 140 can be used. Therefore, manufacturing cost can be reduced, and product cost (unit cost) can be reduced.

That is, the fan of the conventional Dyson company has a structure in which an annular nozzle portion is directly formed on the upper end of the circular tube, and a fan motor installed inside the circular tube can not be used in general products, and a fan motor assembly There is a problem in that the product cost is increased. However, the present invention is characterized in that the upper casing 120 itself has the expansion part 124 functioning as a diffuser integrally, and it is unnecessary to use the fan motor assembly coupled with the diffuser It is possible to reduce the product cost because it can be installed by applying a conventional out-of-the-box circular fan motor.

In addition, since the fanless motor of the conventional Dyson's wingless fan is arranged at the upper part, the impeller (blade) is disposed at the lower part, and the diffuser member surrounds the motor and the impeller, the structure is complicated, However, in the present invention, the electric motor is disposed at the lower portion, the impeller is disposed at the upper portion, and the expansion portion (not shown) of the upper casing 120 functioning as a diffuser 124 are disposed so that the flow air is transferred to the annular nozzle portion 126 without loss of the flow flow, so that the blowing performance is good.

Hereinafter, a stand type fan apparatus provided with a wingless portable fan 100 of the present invention will be described.

The stand-type fan unit of the present invention may be constructed so that the stationary unit 200 is additionally provided in the wing-less portable fan unit 100 described above so that the wingless portable fan unit 100 can be used by being hand- In addition, the wingless portable air conditioner 100 can be mounted on the mounting unit 200 in a standing state, so that the portable air conditioner 100 can be used as a stand.

In the description of the stand-type fan unit of the present invention, the configuration of the fan-less portable fan unit 100 is the same as that described above, and the configuration of the stationary unit 200 will be described in detail below.

1, 2, and 10 to 17, the mounting unit 200 includes a main body 210, a rotation plate 220, a pair of support bars 230, a seating member 240, 250, a rotating shaft portion 260, and a rotating unit 270. [

The main body 210 is supported on the ground and has a cylindrical shape. A rotary plate 220 is rotatably installed at an upper end of the main body 210, and a rotary shaft tube 215 is provided at an inner center of the main body 210.

A rotating unit 270 is installed inside the main body 210 so that the rotating unit 220 is reciprocally moved left and right at a predetermined angle.

The rotation plate 220 is rotatably installed at the upper end of the main body 210. Specifically, the rotation plate 220 has a rotation axis 222 extending from the center to the bottom, and the rotation axis 222 is inserted into the rotation axis pipe 215 to be rotatably supported.

The pair of support bars 230 are formed to extend vertically from both sides of the upper surface of the rotary plate 220 and are configured to be spaced apart from each other.

The seat member 240 is formed in a U shape and is disposed between the pair of support bars 230. The handle portion 112 of the portable electric fan 100 is inserted into the interior of the support member in a detent manner, And both sides thereof are configured to be adjustable in the forward and backward rotation angles of the pair of support bars 230. [

The seating member 240 includes a bottom support portion 241 for supporting the lower end of the handle portion 112 of the electric fan 100 and a pair of vertical supports extending vertically and integrally on both sides of the bottom support portion 241, And upper portions of the pair of vertical supports 243 and 245 are formed in an arch shape and have fixed wing portions 243a and 245a for stably holding and fixing the outer peripheral surface of the knob portion 112 .

The rotary support part 250 and the rotary shaft part 260 are connected to both sides of the seating member 260 and the pair of supporting bars 230, And is a constitution of the eye pattern adjusting unit for adjusting the direction angle.

10 and 14, the rotation support part 250 has a rotation shaft hole 251 formed on each inner side surface of the pair of support bars 230, and circularly circumferentially formed on the outer side of the rotation shaft hole 251, And an insertion groove 253 is formed in the circular insertion groove 253 so that the first tooth 255 having the cylindrical teeth of the gardener is formed.

The rotary shaft portion 260 is provided with an insertion shaft 261 on both side surfaces of the seating member 240, that is, on the outer surfaces of the fixed wing portions 243a and 245a, And a second toothed portion 265 is formed on the side surface of the circular protruding portion 263, the second toothed portion 265 having circumferentially formed gardenia teeth.

The insertion shaft 261 is inserted into the rotary shaft hole 251 and is rotatable and the circular protrusion 263 is inserted into the circular insertion groove 253 and the second toothed portion 265 is inserted into the first toothed portion 255 Respectively.

The seating member 240 is made of a plastic material and is formed in a U shape so that the second toothed portion 265 is in tight contact with the first toothed portion 255 due to the self- State is maintained.

Accordingly, when the user exerts an external force to tilt the seat member 240 forward and backward at a predetermined angle, the teeth of the second toothed portion 265 ride on the teeth of the first toothed portion 255, The seat member 240 can be fixed at a predetermined angle in the forward and backward directions.

In the present invention, the wingless portable electric fan 100 is fixedly mounted on the seating member 240, and the seating member 240 is adjusted at a predetermined angle to the pair of supporting bars 230 so that the electric fan 100 So that the air blowing angle can be adjusted.

In the meantime, according to the present invention, rotation angle restricting grooves 255 having a fan shape having a predetermined arc are formed on the inner side surfaces of a pair of support bars 230, and both side surfaces of the seating member 240, that is, wings 243a 245a are inserted into the rotation angle restricting groove 255 and an angle restricting stopper 267 for protruding the restricting stopper 267 for restricting the rotation angle of the seat member 240 in a forward and backward angular rotation operation is formed .

The angle restricting stopper 267 is hooked to the front end or the rear end of the rotation angle restricting groove 255 to restrict the front and rear rotation angles of the seat member 240 when the seat back member 240 is rotated forward and backward.

The rotating unit 270 is installed inside the main body 210 to be connected to the lower end of the rotating shaft 222 of the rotating plate 220 so that the rotating plate 220 is reciprocally rotated left and right at a predetermined angle, The left-handed portable fan 100 is rotated in the left-right direction.

13 to 17, the rotation unit 270 is configured to include a first gear portion 271, a drive motor 273, a cam member 274, and an operation bar 276. [ All the configurations of the turning unit 270 of the present invention are configured to be installed in the main body 210. [

The first gear portion 271 is formed on the outer peripheral surface of the lower end of the rotation shaft 222 of the rotary plate 220. The drive motor 273 is fixed to the inner upper end portion of the main body portion 210, And a member 273a is fixedly installed.

One side of the cam member 274 is engaged with the key member 273a of the driving motor 273 and is configured to rotate in accordance with the rotation of the driving motor 273. An eccentric shaft 274a is provided on the other side of the cam member 274, As shown in Fig.

The operation bar 276 is configured to connect the eccentric shaft 274a of the cap member 274 and the first gear portion 222 formed on the outer peripheral surface of the lower end of the rotation shaft 222. [

Specifically, the operation bar 276 has a predetermined length and is formed in a bar shape curved at a predetermined curvature. The insertion hole 276a is formed at one side of the operation bar 276. An eccentric shaft 274a is inserted into the insertion hole 276a, . The operation bar 276 has an elongated hole 276b formed along the longitudinal direction and a second gear portion 276ba is formed on one side of the elongated hole 276b in a belt-like shape. The lower gear 276b is formed so that the lower end of the rotary shaft 222 is inserted and the first gear portion 222 formed on the lower end outer peripheral surface of the rotary shaft 222 is engaged with a portion of the second gear portion 277ba do.

When the cam member 274 is rotated by the driving motor 273, the eccentric shaft 274a of the cam member 274 rotates with a predetermined arc. When the eccentric shaft 274a rotates, 276a and 276a are guided by the rotary shaft 222 so that the operating bar 276 reciprocates in the left and right directions. At this time, as the second gear portion 276ba in the form of a belt moves, By rotating the portion 271, the rotation shaft 222 repeats the left-right rotation within a predetermined angle.

The second gear portion 276ba rotates the rotation shaft 222 by a predetermined angle in the clockwise direction and the operation bar 276 is rotated in the other direction (leftward direction) The second gear portion 276 rotates the rotation shaft 222 by a predetermined angle in the counterclockwise direction.

As the rotation shaft 222 reciprocates in the left and right predetermined angles according to the operation of the rotation unit 270, the rotation plate 220 reciprocates in the left and right direction in the predetermined angle range, So that the wingless portable fan 100 can be rotated and reciprocated within a predetermined angle range.

The switch button 278 is provided so as to be exposed to the outer surface of the main body 210 and the driving of the driving motor 273 is turned on and off according to the operation of the switch button 278. Therefore, when the user pushes the switch button 278 after the wingless portable electric fan 100 is mounted upright on the seating member 240 of the mounting unit 200, the portable electric fan 200 is automatically It is possible to blow the fan wind over a wide range while rotating and reciprocating in the angular range.

Although not shown in the drawings, a power supply circuit board, which receives commercial AC power and converts the battery 151 into a proper voltage and current capable of charging the battery 151, is installed in the main body 210 of the mounting unit 200 And a power supply line is connected to the circuit board so as to extend to the outside of the main body 210. In addition, , The plug at the end of the cord is inserted into an outlet and the jack provided at the end of the power charging line is connected to the charging port 156 of the wingless portable fan 100. As a result, (Not shown).

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be understood by those skilled in the art that many changes and modifications of the present invention can be made without departing from the spirit and scope of the appended claims. Accordingly, all such appropriate changes and modifications and equivalents may be resorted to, falling within the scope of the invention.

110 ... lower casing
112 ... handle
114 ... air inlet
120 ... upper casing
122 ... a circular tube
124 ... expansion part
126 ... annular nozzle portion
132 ... hinge shaft support
134 ... Hinge axis
140 ... fan motor
142 ... motor casing
145 ... electric motor
147 ... impeller
151 ... battery
152 ... control board
154 ... button
156 ... Charging port
200 ... stationary unit
210:
220 ... spindle
230 ... support bar
240 ... seat member
241 ... floor support
243,245 ... vertical support
243a, 245a ... fixed wing portion
250 ... rotation support
260 ... rotation shaft portion
270 ... rotation unit
271 ... First gear portion
273 ... drive motor
274 ... cam member
276 ... operation bar

Claims (7)

A lower casing formed of a handle part held by a user and an air inflow part formed at an upper end of the handle part and having a plurality of air inflow holes on an outer circumferential surface thereof;
A circular tubular part installed to be connected to the air inflow part and having a fan motor installed therein, an expanded part formed integrally with the upper end of the circular tubular part and extending to the upper part, And an upper casing having an annular nozzle portion formed with a ring-shaped air ejection hole through which air is ejected along an inner circumferential surface of the upper casing.
The method according to claim 1,
Wherein the fan motor is a circular fan motor comprising: a cylindrical motor casing vertically opened and provided on an inner circumferential surface of the circular tube portion; an electric motor provided at an inner lower portion of the motor casing; and an electric motor connected to the rotary shaft of the electric motor, And an impeller installed at an upper portion of the fan.
3. The method of claim 2,
The upper casing and the lower casing are configured to be foldable by a hinge unit,
Wherein the upper casing and the lower casing are connected in a longitudinal direction to include a first use state in which the user grasps the handle and a storage state in which the upper casing and the lower casing are folded and arranged in parallel with each other, The wingless portable fan featuring.
The method of claim 3,
The upper casing is further provided at both sides thereof with a collar to which a necklace string hanging on the user's neck is connected,
The upper casing and the lower casing are folded at an angle to be inclined and the neckline is hooked on the neck of the user so that the flowing air sprayed from the welcome nozzle while the lower casing is supported on the user's body in the longitudinal direction, Wherein the second use state is a state in which the second use state is established.
A lower casing formed of a handle portion held by a user and an air inflow portion formed at an upper end of the handle portion and having a plurality of air inflow holes on an outer circumferential surface thereof; And an upper casing including an upper casing having an annular nozzle portion formed with a ring-shaped air injection hole through which air is ejected along an inner peripheral surface of the upper casing;
And a mounting unit for mounting the portable electronic device on the portable device and mounting the portable device on the portable device in an upright state.
6. The method of claim 5,
The mounting unit includes:
A body portion;
A rotating plate installed to the left and right of the upper end of the main body;
A pair of support bars installed so as to extend from both sides of the rotary plate to the upper side;
And a seating member disposed between the pair of support bars, both sides of which are rotatably supported on the pair of support bars, and which seats and fixes the handle on the inner side.
The method according to claim 6,
The mounting unit may further include an angle adjusting unit installed to connect the pair of supporting bars and the seating member to each other and adjusting an angle of the seat back and forth with respect to the pair of supporting bars A stand type fan device.

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