KR102072755B1 - Portable air cleaning fan - Google Patents

Abstract

The present invention relates to an air purifying portable electric fan, wherein a portable electric fan used while being carried by a user is provided with a rear case provided to surround the rear of the wing while being spaced a predetermined distance from the wing of the electric fan, and the rear case inside the rear case. It is disposed to surround one side of the rear filter to purify the air, provided on the rear case and the first fixing portion is accommodated in the rear filter, the rear case is provided with a plurality of connecting the center and the edge of the rear case A rear face, coupled to the rear case and detachable, a front case provided to surround the front of the wing while being spaced a predetermined distance from the wing, a plurality of front face provided in the front case and connecting the center and the edge of the front case Flesh, outside the rear case and / or the front case And it comprises a support member for supporting a load of the fan. The air is purified through the rear filter, and a dual structure of the rear case and / or the front case is disclosed, the air purifying portable fan that can easily control the direction of the wind is disclosed.

Description

Air Purification Portable Fan {PORTABLE AIR CLEANING FAN}

The present invention relates to an air purifying portable electric fan, and more particularly, to an air purifying portable electric fan that is equipped with a filter for purifying air to effectively purify the air introduced from the outside by the rotation of the wing and is easily mounted on the user's body. It is about.

In general, the fan is used to cool the heat or circulate the air by using the wind generated by the rotation of the blade. Such a fan has a structure in which a wing connected to the motor rotates as a user manipulates the operation of the motor.

Among these fans, not only home or office fans used in a predetermined place, but also portable fans that rotate the wings using a small battery and a built-in battery or a battery for the user to carry are actively used.

The shape of the conventional portable fan is provided with a handle is used by the user to hold the handle to adjust the direction of the wind at a desired angle. However, if you hold the handle to blow the wind of the portable fan is hindered to perform other tasks and requires a separate mounting means for mounting the portable fan. In addition, even if there is a separate mounting means during the movement or work outdoors, it is difficult to effectively blow the air of the portable fan.

On the other hand, in the case of using a portable fan outdoors, there is a problem that inhale the pollutants as it is due to the recent increase in environmental pollution and fine dust. In order to solve this problem, the structure of the conventional air cleaner can be changed and applied to a portable electric fan, but the structure is complicated and bulky, which causes a problem of poor portability and high cost. In addition, a dust mask or the like may be separately used to inhale dust-removed air.

Korean Utility Model Registration No. 20-0486077 discloses an air filter for a fan to remove pollutants from the wind from the fan, a coupling means for fixing the filter pad and the filter pad seated on the front or rear surface of the fan. Presenting. However, the configuration as described above is somewhat difficult to apply to a portable fan, even if applied, there is a problem that the wind does not come out smoothly in the case of a portable fan having a relatively low wind strength.

(Document 0001) Republic of Korea Utility Model Registration No. 20-0486077 (Registration Date: March 26, 2018) (Document 0002) Republic of Korea Patent No. 10-1831520 (Registration Date: February 14, 2018)

An object of the present invention in view of the above point is to provide a portable fan that can be provided to the user by purifying the wind from the portable fan and easy to use when moving outdoors.

In addition, to provide a portable fan that can effectively purify the air and the user can selectively focus the direction of the wind from the portable fan.

Air purifying portable electric fan according to an embodiment of the present invention is a portable electric fan used while being carried by the user, the rear case is provided to surround the rear of the wing while being spaced apart from the wings of the fan, the rear case inside the rear case It is arranged to surround one side and the rear filter to purify the air, provided in the rear case, the first fixing portion for receiving the rear filter, the rear case is provided in the plurality of rear flesh connecting the center and the edge of the rear case, rear case It is coupled to the detachable, and the front case is provided to surround the front of the wing while being spaced apart from the wing, the front case is provided with a plurality of front, rear case and / or front case connecting the center and the edge of the front case It is provided on the outside and includes a support member for supporting the load of the fan.

In addition, the support member may be coupled to a string that can be hooked to the neck of the user.

In addition, it is connected to the support member and has a band shape and further comprises a fixing band for fixing one side of the support member to the user's body, the support member is formed extending in the longitudinal direction, the wings, the rear case and It may include a support core for supporting the front case and a coil provided to surround the outer periphery of the support core along the longitudinal direction of the support core.

In addition, the binding ball is provided at the end of the support member and the larger diameter than the coil, the binding bolt is connected to the rear case and the binding groove is formed on the inner side so as to surround the outer side of the binding ball and the binding ball is inserted into the binding groove It may further include a binding nut formed to tighten the binding bolt while engaging with the outside.

In addition, the rear case includes a first inner cover disposed adjacent to the wing and a first outer cover detachably coupled to the first inner cover and having a shape corresponding to the first inner cover, the first inner cover and the first inner cover. The outer cover is provided with a rear flesh, respectively, the respective rear flesh provided on the first inner cover and the first outer cover may overlap each other, the rear filter may be provided between the first inner cover and the first outer cover.

The front case may include a second inner cover disposed adjacent to the wing and a second outer cover detachably coupled to the second inner cover and having a shape corresponding to the second inner cover, and the second inner cover and the second inner cover. The front cover is provided with front faces respectively, and the front faces of the second inner cover and the second outer cover may be overlapped with each other, and the second outer cover may rotate at an angle with respect to the center of the front case.

The front case may further include an opening hole formed to penetrate the second inner cover and the second outer cover.

In addition, the rear case or connected to the front case and further comprises an air discharge line for the purified air is discharged, the air discharge line, the air injection portion is provided inside the rear case or the front case, the purified air is injected, air It may be connected to the injection portion and the inside is in communication with the air injection portion is formed extending to the outside of the rear case or the front case and connected to the air movement path and may include an air discharge portion for discharging the air passing through the air movement path. .

In addition, the air injection unit may be combined with the opening hole provided in the front case.

In addition, the rear case is provided with a drive motor for rotating the blade, the drive motor is connected to the drive motor and electrically connected to the battery and the battery is electrically connected to the drive port may further include a charging port for charging the external power to the battery.

In addition, the inside of the rear case or the inside of the front case may be provided with a temperature control device for heating or cooling the air by receiving power from the battery.

According to an embodiment of the present invention, there is provided a portable fan that is portable and easy to purify dust.

In addition, it is easy to use when moving or working outdoors, the structure is simple to reduce the manufacturing cost and easy replacement of the filter.

In addition, it is possible to suction the purified air combined with the dust mask according to the user's choice.

In addition, it is easy to adjust the concentration and direction of the wind according to the user's selection and easy to use because the temperature of the wind is easy to adjust.

1 is a cross-sectional view showing an exploded state of a portable fan according to an embodiment of the present invention.
2 and 3 are perspective views showing a state of use of the portable fan according to an embodiment of the present invention.
Figure 4 is a cross-sectional view showing a support member and an air discharge line according to an embodiment of the present invention.
5 is an exemplary view showing a coupling state of a portable electric fan and a mask according to an embodiment of the present invention.
6 and 7 are perspective views showing an operating state of the portable fan according to another embodiment of the present invention.
8 is a state diagram showing a state of use of the portable electric fan according to another embodiment of the present invention.

In the following description of the present invention, if it is determined that detailed descriptions of related known functions or configurations may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

Embodiments according to the concepts of the present invention may be variously modified and may have various forms, and specific embodiments will be illustrated in the drawings and described in detail in the present specification or application. However, this is not intended to limit the embodiments in accordance with the concept of the present invention to a particular disclosed form, it should be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this specification, the "inclusive" or "gajida" and the terms are staking the features, numbers, steps, operations, elements, parts or geotyiji to be a combination thereof specify the presence, of one or more other features, integers It should be understood that it does not exclude in advance the possibility of the presence or addition of steps, actions, components, parts or combinations thereof.

Hereinafter, the present invention will be described in detail.

1 is a cross-sectional view showing an exploded state of a portable fan according to an embodiment of the present invention.

Referring to Figure 1, the air purifying portable fan according to an embodiment of the present invention, in a portable fan used while being carried by the user, so as to surround the rear of the wing 10 while being spaced a certain distance from the wing 10 of the fan. The rear case 100, which is provided to surround one side of the rear case 100 inside the rear case 100 and is provided in the rear filter 150, the rear case 100 to purify the air The first fixing part 140, the rear case 100 is accommodated in the rear case 100, a plurality of rear flesh 130, the rear case connecting the center and the edge of the rear case 100, the rear case Coupled to the detachable and 100, the front case 200, which is provided to surround the front of the wing 10 while being spaced a predetermined distance from the wing 10, provided in the front case 200 and the front case ( With the center of 200) A plurality of front live connecting the Duri 230, is provided on the outer side of the back case 100 and / or the front case 200 includes a support member 400 for supporting the weight of the fan.

The portable fan is provided with a rear case 100 and a front case 200 on the rear and front of the wing 10 of the fan, and a rear filter 150 is provided on the rear case 100, the front case 200 And / or the support member 400 is connected to the rear case 100.

The rear case 100 of the present invention is disposed to surround the back of the fan blades 10 of the fan, and may serve as a safety net so that the user's body does not directly contact the blades 10 of the fan.

The rear case 100 has a shape corresponding to the first inner cover 110 detachably coupled to the first inner cover 110, the first inner cover 110 disposed adjacent to the wing 10, and corresponding to the first inner cover 110. It may include a first outer cover 120 having.

The first inner cover 110 is spaced apart from the wing 10 by a predetermined distance to be perpendicular to the axis of rotation of the wing 10, the first outer cover (110) to the outside of the first inner cover (110) 120 is disposed. The first inner cover 110 and the first outer cover 120 may be coupled to each other to form a receiving space therein. In this case, it is preferable that the edge of the first inner cover 110 and the edge of the first outer cover 120 are coupled to each other.

In one embodiment of the present invention, the first inner cover 110 is provided with a plurality of rear grooves 111 along the edge of the first inner cover 110, and the first outer cover 120 has the rear surface. A rear protrusion 121 coupled to the groove 111 is provided. The rear groove 111 and the rear protrusion 121 are engaged with each other to fix the first inner cover 110 and the first outer cover 120.

The first fixing part 140 is a space in which the rear filter 150 is accommodated, and may be provided between the first inner cover 110 and the first outer cover 120. The first fixing part 140 may be provided with a rear fixing tool 141 for fixing the rear filter 150, the rear fixing tool 141 has a pointed shape that is inserted into the rear filter 150. It can be a protrusion. The rear fasteners 141 may be provided on the first inner cover 110 and the first outer cover 120, respectively.

The rear filter 150 accommodated in the first fixing part 140 may have various configurations and structures. For example, a HEPA FILTER may be used. The rear filter 150 is preferably disposed to surround all of one side of the rear case 100 in order to purify the air effectively.

The first inner cover 110 and the first outer cover 120 has a corresponding shape, when the first inner cover 110 and the first outer cover 120 is coupled to each of the rear flesh provided 130 may have a structure that overlaps. The shape of the rear teeth 130 provided in the first inner cover 110 and the first outer cover 120 may vary.

2 and 3 are perspective views showing a state of use of the portable fan according to an embodiment of the present invention.

2 and 3, in an embodiment of the present invention, the first outer cover 120 may be rotated at an angle with respect to the center of the rear case 100. 2 and 3, but the rotation structure of the second outer cover 220 is shown, the rotation structure of the first outer cover 120 of the present invention may have the same structure. The rear projection 121 provided in the first outer cover 120 is inserted into the rear groove 111 provided in the first inner cover 110 in a state where the first outer cover 120 is rotated by a predetermined angle. It may have a structure for fixing. In this case, the rear protrusion 121 and the rear groove 111 may be formed to be inclined along the tangential direction of the rear case 100. In addition, a roller is provided between the first outer cover 120 and the first inner cover 110 to facilitate the rotation of the first outer cover 120.

A spring having elasticity is provided at a coupling position of the first outer cover 120 and the first inner cover 110 to facilitate detachable coupling of the first outer cover 120 and the first inner cover 110. Can be. The spring is provided to connect the first outer cover 120 and the first inner cover 110, the structure of the first outer cover 120 and the first inner cover 110 in close contact with each other by the elasticity of the spring Has In this case, as the first outer cover 120 rotates by a predetermined angle, the spring may be tensioned, and the spring may be disposed along a border of the first inner cover 110 and the first outer cover 120. .

According to the exemplary embodiment of the present invention having the configuration in which the first outer cover 120 rotates at an angle, the rear case 100 may be partially blocked by blocking the air flowing in the direction of the wing 10 from the rear case 100. 100) or may be adjusted so that air is introduced into the edge of the front case 200.

The front case 200 of the present invention is disposed to surround the front of the blade 10 of the fan, and may serve as a safety net so that the user's body does not directly contact the blade 10 of the fan.

The front case 200 has a shape corresponding to the second inner cover 210 detachably coupled to the second inner cover 210, the second inner cover 210 disposed adjacent to the wing 10, and corresponding to the second inner cover 210. It may include a second outer cover 220 having.

The second inner cover 210 is spaced apart from the wing 10 by a predetermined distance to be perpendicular to the axis of rotation of the wing 10, the second outer cover 220 to the outside of the second inner bucketer Is placed. The second inner cover 210 is provided with a plurality of front grooves 211 along the edge of the second inner cover 210, the second outer cover 220 is coupled to the front groove 211. The front protrusion 221 may be provided. The front groove 211 and the front projection 221 may have a structure corresponding to the rear groove 111 and the rear projection 121 described above.

In an embodiment of the present invention, the second inner cover 210 and the second outer cover 220 have a corresponding shape, and the second inner cover 210 and the second outer cover 220 may be coupled to each other. When each front face 230 may have a structure that overlaps. The front face 230 may have a trapezoidal shape so as to widen in the direction of the edge in the center of the front case 200.

In the present invention, the front case 200 may be provided with an opening hole 250 formed to penetrate the front case 200. The opening hole 250 serves as a passage through which wind comes out by the rotation of the wing 10. The opening hole 250 may have various shapes and positions, but is preferably provided at the center of the front case 200 and has a cylindrical shape in terms of air flow. The opening holes 250 are provided in the second outer cover 220 and the second inner cover 210, respectively, and even though the second outer cover 220 and the second inner cover 210 are coupled to the opening holes ( The shape of 250 is maintained.

The second outer cover 220 may rotate at a predetermined angle with respect to the center of the front face 230. For example, the plurality of front grooves 211 are provided along the rim of the second inner cover 210 and the front protrusion 221 is provided along the rim of the second outer cover 220. The protrusion 221 and the front groove 211 may be coupled to each other to fix the second outer cover 220 at a predetermined angle.

As shown in FIGS. 2 and 3, the rotation of the second outer cover 220 may have a configuration and structure corresponding to the rotation of the first outer cover 120. In the coupling position of the second inner cover 210 may be provided with the above-described roller in the rotating structure of the first outer cover 120 and the first inner cover 110 or a spring having elasticity. The structure for rotating the second outer cover 220 at an angle is not limited to the above-described example and may be various within the scope of the present invention.

In the present invention having the structure described above, the front teeth 230 provided on the second inner cover 210 and the second outer cover 220 are adjacent to each other according to the rotation of the blade 10 in a state where they overlap each other. The wind comes out between the front teeth 230, the second outer cover 220 is rotated by a predetermined angle to the front meat 230 and the second inner cover 210 provided in the second outer cover 220 The overlapping area of the provided front meat 230 is reduced to block a portion of the wind coming out between the adjacent front meat 230. As the area between the adjacent front teeth 230 is reduced by the rotation of the second outer cover 220, the direction of the wind passing through the front case 200 is concentrated to the opening hole 250. By concentrating the direction of the wind as described above, the user can take a stronger wind to the desired area.

6 and 7 are perspective views showing an operating state of the portable fan according to another embodiment of the present invention.

6 and 7, the front teeth 230 provided in the second outer cover 220 may have side holes 231. In one embodiment of the present invention, the front teeth 230 provided in the second outer cover 220 protrudes forward of the fan in a semicircular shape. The front face 230 protruding forward is formed with a side hole 231 for guiding movement of air from the semi-circular shape, and the wind comes out along the side hole 231 toward the rim of the fan. The shape of the front face 230 may have an elliptical or polygonal shape as well as a semicircle.

Referring to the embodiment of the present invention having the side hole 231 in detail, the front face 230 provided in the second inner cover 210 and the front face provided in the second outer cover 220. In the state in which 230 is overlapped with each other, the direction of the wind according to the rotation of the blade 10 comes out of the front of the fan. When the second outer cover 220 is rotated by a predetermined range, the front teeth 230 provided in the second inner cover 210 and the front teeth 230 provided in the second outer cover 220 are adjacent to each other. While being arranged to block the direction of the wind in accordance with the rotation of the blade 10 coming out of the front of the fan. In this case, the direction of the wind in accordance with the rotation of the blade 10 comes out in the direction of the rim of the fan along the side hole 231. It is preferable that a separate stopper is coupled to the opening hole 250 to block wind from coming out.

The front teeth 230 provided in the second outer cover 220 may be inclined to protrude forward of the front case 200 as the front case 200 proceeds from the center of the front case 200 to the edge direction. The inner cross-sectional area of the side hole 231 is larger in the rim direction than the center of the front case 200. Wind according to the rotation of the wing 10 is moved in the direction of the rim of the front case 200 along the inclination of the front meat 230 provided in the second outer cover 220.

Only a part of the front teeth 230 provided in the second outer cover 220 may be provided with the side holes 231. In this case, the front teeth 230 with side holes 231 are preferably located adjacent to each other without being spaced apart from each other. When the side hole 231 is provided only in a part of the front teeth 230 provided in the second outer cover 220, the wind is emitted only to the adjacent side hole 231 so that the second outer cover 220 It is easy to control the wind in the desired direction by rotating the).

In the present invention having the structure as described above, the direction of the wind can be freely adjusted according to the user's selection, such as the direction of the front, and the edge, and the wind is adjusted in the direction desired by the user while fixing the fan to the user's body. The heat can be cooled down smoothly.

In one embodiment of the present invention is disposed to surround a portion of the front case 200 inside the front case 200 and is provided in the front filter 260 and the inside to purify the air and the front filter 260 is It may further include a second fixing part 240 is accommodated.

The second fixing part 240 may accommodate the front filter 260 therein according to a user's selection. When the user operates the portable electric fan of the present invention, the resistance is generated in the air inflow into the wing 10 from the outside of the rear case 100 by the rear filter 150 provided in the rear case 100. Air may flow into the wing 10 from the edge of the rear case 100 or the front case 200. In this case, it may be difficult to effectively perform the air purification function, the second fixing part 240 provided in the front case 200 is accommodated inside the front filter 260 is the rear case 100 or the front case ( When air is introduced into the wing 10 from the edge portion of the 200 can be more effectively purify the air.

The second fixing part 240 means a space in which the front filter 260 is accommodated and its shape and structure may vary. In one embodiment of the present invention, the second inner cover 210 and the wing ( The second fixing part 240 may be provided between the second fixing parts 240, and the second fixing part 240 may include a filter fixing tool 242 for fixing the front filter 260. The filter fixing tool 242 is connected to the inner edge of the second inner cover 210 and fixes the front filter 260 to the second inner cover 210. The filter fixture 242 may have a hook shape bent in the center direction at the edge of the second inner cover 210 and may be a plurality, the periphery of the front end of the front filter 260 in the filter fixture 242 Is fixed in the fitted state. Since the wind comes out from the inside of the front case 200 by the rotation of the wing 10, the front filter 260 may be in close contact with the second inner cover 210, the filter fixture 242 Even if only the end of the front filter 260 is fixed by the separation of the front filter 260 is prevented.

Although not shown in the present invention, the second fixing part 240 may be provided with a front fixing tool 241 (not shown) for fixing the front filter 260, the front fixing tool 241 is the front filter ( It may be a pointed protrusion inserted into the inside of the 260. In this case, the front fixture 241 may have a shape protruding in the inner direction of the second inner cover 210.

The front filter 260 accommodated by the second fixing part 240 may have various structures and configurations. For example, a HEPA FILTER may be used. The front filter 260 is arranged to surround a portion of the front case 200, it is preferable to have a ring shape to surround the inner edge of the front case 200.

The front filter 260 accommodated in the second fixing part 240 is preferably opened to match the shape of the opening hole 250.

The portable fan of the present invention may be provided with a sensor for measuring fine dust. The sensor may be a method of irradiating light and scattering the irradiated light by fine dust to measure fine dust. To this end, the sensor may include a light emitting unit for irradiating light, a light receiving unit for receiving the irradiated light, and a heater for activating convection of fine dust.

The fan having the sensor assists the user to determine the air purification or the direction of the wind according to the concentration of fine dust.

The support member 400 serves to support the rear case 100 and the front case 200.

4 is a cross-sectional view showing the support member 400 and the air discharge line 300 according to an embodiment of the present invention.

Referring to FIG. 4, in one embodiment of the present invention, the support member 400 extends in the longitudinal direction and supports the wing 10, the rear case 100, and the front case 200 in a bent or unfolded state. The support core 410 may include a coil 420 provided to surround the outer circumference of the support core 410 along the longitudinal direction of the support core 410. In this case, the support member 400 maintains the state of adjusting the direction of the rear case 100 and the front case 200 to adjust the direction of the wind.

The support core 410 is not limited to the material but preferably has a certain range of rigidity to be bent by the user's force. The coil 420 protects the support core 410 while covering the outside of the support core 410, while supporting the support core 410 by adding elasticity when the support core 410 is bent or extended by an external force. ) To aid in stiffness. The material of the coil 420 may vary.

The support member 400 having the configuration as described above facilitates the angle adjustment of the rear case 100 and the front case 200 by the user's operation, and maintains the angle adjusted by the user because it has a certain rigidity. give.

The fixing band 500 is connected to one side of the support member 400, and the fixing band 500 fixes a body of the user and one side of the support member 400 in a band shape. The fixing band 500 is connected to an end of the support member 400 and a pair of fastening straps connected to both ends of the pair of cradles 510 and the pair of cradles 510 respectively contacting the user's body. 520 may include.

The holder 510 is formed of a material such as rubber or plastic to prevent the flow of the support member 400 in contact with the user's body, and the pair of fastening straps 520 is the user's arm, shoulder or Tighten while wrapping the back. The tension strap 520 may be provided with a pair of velcro 521 corresponding to each other. The pair of tension straps 520 are wrapped around the user's body and the Velcro 521 is coupled to the structure. The Velcro 521 may be replaced with a variety of known configurations. For example, it can be changed to a button or a magnet. Since the cradle 510 and / or the strap 520 is only one embodiment of the present invention, the holder 510 and / or the strap 520 may have various configurations and structures, and are formed of an elastic material to tighten the support member according to the user's body by elasticity. 400 may be fixed to the user's body.

According to an embodiment of the present invention having the fixing band 500 is convenient to use even if the user does not move or grab a fan during work, and can easily operate and maintain the direction of the wind through the support member 400. There is a more convenient advantage.

In one embodiment of the present invention is provided at the end of the support member 400 and the diameter of the binding ball 430 larger than the coil 420, connected to the rear case 100 and the outside of the binding ball 430 A binding nut 160 provided with a groove on the inner side to surround the binding nut and a binding nut formed to tighten the binding bolt 160 while engaging with the outside of the binding bolt 160 in a state where the binding ball 430 is fitted in the groove. 440 may be further included.

The binding ball 430 is connected to the end of the support member 400 in a spherical shape may be integrally formed. The binding ball 430 is preferably more rigid than the support core 410.

The binding bolt 160 may be connected to the first outer cover 120 of the rear case 100, in the embodiment of the present invention is provided with a battery 40 on the rear of the first outer cover 120 The binding bolt 160 is connected to the rear of the battery 40. The binding bolt 160 is provided with a groove on the inside in a hollow shape, and the binding ball 430 is inserted. The cross section of the binding bolt 160 has a circular shape, and the binding bolt 160 has the circular shape. It may be composed of a plurality of members to divide the circumference of the cross section at equal intervals. The binding bolt 160 composed of the plurality of members may be spaced apart from each other so that the diameter of the cross section may be increased to a predetermined range, so that the binding ball 430 may be easily attached or detached.

The binding nut 440 is coupled to surround the outer circumference of the binding bolt 160 in a state in which the binding ball 430 is inserted into the binding bolt 160, so that the binding ball 430 and the binding bolt 160 are fixed. ) To prevent separation. To this end, a thread is provided at an outer circumference of the binding bolt 160 and a thread corresponding to the thread is provided at an inner circumference of the binding nut 440.

In the present invention including the binding ball 430, the binding bolt 160 and the binding nut 440, the binding ball 430 can be rotated within a predetermined range within the binding bolt 160 to adjust the angle of the fan. It can be assisted, it is possible to perform the angle adjustment in a predetermined range without bending or extending the support member 400 is convenient to use.

In another embodiment of the present invention, the support member 400 may be coupled to a string that can be hooked to the neck of the user. In this case, the support member 400 may have a ring shape protruding outwardly of the rear case 100 and / or the front case 200, and the support member 400 having the ring shape may have a neck of a user. Hanging straps can be combined. The support member 400 is preferably provided on the outer upper portion of the rear case and / or front case. In one embodiment, the support member 400 may be integrally formed with the first outer cover 120 at an upper edge position of the rear case 100.

8 is a state diagram showing a state of use of the portable electric fan according to another embodiment of the present invention.

Referring to FIG. 8, the support member 400 having the structure as described above has a string or the like, and the user hangs the string on the neck to use and carry a portable fan.

The support member 400 may have various shapes and configurations, and may be changed into various structures within the scope of the present invention for supporting the portable fan.

As shown in FIG. 4, the present invention may further include an air discharge line 300 connected to the rear case 100 or the front case 200 to discharge purified air. The air discharge line 300 is provided inside the rear case 100 or the front case 200 and connected to the air injection unit 310 and the air injection unit 310 into which the purified air is injected, and the inside of the rear case 100 or the front case 200. Is in communication with the air injection unit 310 and is connected to the air movement path 320 and the air movement path 320 formed to extend outside the rear case 100 or the front case 200 and the air movement path ( And an air discharge part 330 through which air passed through 320 is discharged.

Air is introduced into the air injection portion 310 by the rotation of the blade 10. The air injection portion 310 has an outer diameter such that the inner diameter of one side is wider than the inner diameter of the other side so that the inflow of air is smooth. May have a slope.

The air injection unit 310 may be coupled to the edge of the front case 200 or the rear case 100 is provided outside the end of the wing 10 in one embodiment of the present invention. The flow of air due to the rotation of the blade 10 moves in the direction of the front case 200 from the rear case 100 by the blade 10 has a curvature, while the rear case 100 and the front A portion of the case 200 moves in the rim direction. The air injection portion 310 coupled to the edge of the front case 200 or the rear case 100 may be introduced into the wind direction toward the edge of the rear case 100 and the front case 200. In this case, the air injection unit 310 may be disposed on a tangential line of the circle formed by the rotation of the wing 10, the air injection unit (so that the inflow of air into the air injection unit 310 is smooth) Preferably, the end of 310 is disposed to face the tangent of the circle.

In addition, in another embodiment of the present invention, the air injection unit 310 may be combined with the opening hole 250 provided in the front case 200. The air injection portion 310 has a cylindrical shape and a female thread 311 is provided at an outer circumference of the air injection portion 310, and an inner circumference of the opening hole 250 of the air injection portion 310 is provided. A male thread 251 corresponding to the female thread 311 may be provided. When the second outer cover 220 is rotated at an angle to concentrate the direction of the wind in the opening hole 250, the inflow of air to the air injection part 310 coupled with the opening hole 250 becomes smoother. Can be.

The air movement path 320 is a passage through which the air introduced into the air injection portion 310 moves, and may be formed of rubber or the like and is connected to the air injection portion 310 in a sealed state.

5 is an exemplary view showing a coupling state of a portable electric fan and a mask according to an embodiment of the present invention.

Referring to FIG. 5, the air discharge unit 330 is provided at an end of the air movement path 320 to discharge air passing through the air movement path 320, and the air discharge unit 330 is dustproof. It may be connected to the mask (M) or the like. The dust mask M may be worn on a user's face to prevent direct inhalation of dust and the like, and may be of various kinds.

The air discharge part 330 may have various shapes and configurations according to the dustproof mask M and the connection structure. For example, the air discharge portion 330 may be a hollow cylindrical shape and provided with a screw thread on the outside, the dust mask (M) is coupled to the air discharge portion 330 in the center and in the inner cylindrical shape Threads may be formed. When the dust mask M and the air discharge unit 330 are coupled, the inside of the dust mask M and the air discharge unit 330 communicate with each other.

In the present invention including the air discharge line 300, by moving the air to the inside of the dust mask (M), etc., even when using the dust mask (M) for a long time to prevent the humidity around the mouth excellent user experience It works. That is, the purified air is forcibly supplied to the purified air by being supplied into the dustproof mask M through the air discharge line 300. In this case, the second outer cover 220 may be rotated at an angle to smoothly supply air into the dustproof mask M. FIG.

In one embodiment of the present invention is provided in the rear case 100 and the drive motor 20 for rotating the blade 10, connected to the drive motor 20, the battery for transmitting power to the drive motor 20 40 may further include a charging port 30 electrically connected to the battery 40 and charging external power to the battery 40. The fan provided with the driving motor 20, the battery 40, and the charging port 30 is more portable and convenient to use.

The battery 40 is connected to the driving motor 20 and may be of various kinds, such as a battery and a rechargeable battery 40. The battery 40 may be provided in the rear case 100 and / or the front case 200, which is preferably connected to the outside of the rear case 100 in view of usability.

The charging port 30 is electrically connected to the battery 40 and is configured to charge the battery 40 by supplying external power to the battery 40. The charging port 30 may have various shapes and structures. For example, the charging port 30 may be inserted into a connection jack (connection jack) connected to the AC power or DC power to transfer the power of the AC power or DC power to the battery 40. In addition, a type of usb port may be inserted into a USB port to transfer DC or AC power to the battery 40 or to transfer power of a computer or a mobile phone through a connection with a computer, a mobile phone, and the like.

Although not shown in the present invention, the temperature control device 600 (not shown) connected to the battery 40 may be provided inside the rear case 100 or inside the front case 200. The temperature control device 600 heats or cools the wind coming out by the rotation of the wing 10. The temperature control device 600 may be connected to the battery 40 and operated by receiving power from the battery.

The temperature control device 600 may be a heating wire provided inside the rear case 100 or the front case 100 in one embodiment of the present invention. The heating wire is a kind of conducting wire that generates heat while current is flowing, and the heating wire may be attached to the rear meat 130 or the front meat 230. The heating wire attached to the rear meat 130 or the front meat 230 is connected to the battery 40 to heat the internal air of the rear case 100 and the front case 200 and the temperature of the wind coming out of the fan. Increase When the driving motor 20 is provided in the rear case 100, the heating wire is preferably attached to the front teeth 230 in order to prevent an overload on the driving motor 20. The heating wire may be attached to the first inner cover 110 or the second inner cover 210. In this case, it is preferable to be coupled along the circumference of the first inner cover 110 or the second inner cover 210, but the installation position is not limited.

The hot wire may have a coil shape. The hot wire of the coil shape may be provided in the opening hole 250 provided in the front case 200. In this case, when the wind is concentrated in the opening hole 250 through the rotation of the second outer cover 220, the heat conduction efficiency of the heating wire may be increased.

In another embodiment of the present invention, the temperature control device 600 may be a thermoelectric device. The thermoelectric device means a device using a thermoelectric effect (Peltier effect), and receives power from the battery to absorb heat from one side and release heat from the other side to lower the temperature of the wind from the fan. In this case, the heat absorbing side of the thermoelectric device may be disposed in the wing direction, and the heat dissipating side may be disposed in the outer direction. In one embodiment, the thermoelectric device is coupled to the first outer cover 120 of the rear case 100 to absorb heat from the rear filter 150 to heat the outside of the first outer cover 120. Release. The heat dissipation side of the thermoelectric device may be provided with a heat sink.

The present invention equipped with the temperature control device 600 can adjust the temperature of the wind is convenient to use and can be used regardless of the season.

According to an embodiment of the present invention having the configuration as described above when the user operates the portable fan to carry the user can take the purified wind, can easily adjust the temperature of the wind, by connecting the dust mask (M) and the like Even if you use a dust mask (M) for a long time can maintain a comfortable environment. In addition, it is easy to control the wind in the desired direction and convenient to use, even if you do not hold a portable fan while moving or working.

10: wing 20: drive motor
30: charging port 40: battery
100: rear case 110: first inner cover
111: rear groove 120: first outer cover
121: rear projection 130: rear flesh
140: first fixing part 141: rear fixture
150: rear filter 160: binding bolt
200: front case 210: second inner cover
211: front groove 220: second outer cover
221: front projection 230: front meat
231: side hole 240: second fixing part
241: front fixture 242: filter fixture
250: opening hole 251: male thread
260 front filter
300: air discharge line 310: air injection unit
311: female thread 320: air movement path
330: air outlet
400: support member 410: support core
420: coil 430: binding ball
440: binding nut 500: fixing band
510: holder 520: string
521 Velcro
600: temperature controller
M: Dust Mask

Claims (11)

In the portable fan which a user uses while carrying,
A rear case provided to surround the rear of the wing while being spaced apart from the wing of the fan by a predetermined distance;
A rear filter disposed inside the rear case to surround one side of the rear case and purifying air;
A first fixing part provided in the rear case and accommodating the rear filter;
A plurality of rear teeth provided on the rear case and connecting a center and an edge of the rear case;
A front case coupled to the rear case and detachably coupled to the rear case, the front case being provided to surround the front of the wing;
A plurality of front teeth provided on the front case and connecting a center and an edge of the front case;
And a support member provided outside the rear case or the front case to support the load of the fan.
The front case,
A second inner cover disposed adjacent to the wing; And
And a second outer cover detachably coupled to the second inner cover and having a shape corresponding to the second inner cover.
Each of the front teeth provided on the second inner cover and the second outer cover may be overlapped with each other provided on the second inner cover and the second outer cover.
The front face provided in the second outer cover protrudes in front of the fan and includes a side hole for guiding the wind to move in the rim direction of the fan,
The second outer cover is rotated by a predetermined angle with respect to the center of the front case, when the second outer cover is rotated by a predetermined angle the front flesh provided on the second inner cover and the front surface provided on the second outer cover The air purifier portable fan, characterized in that the flesh is disposed adjacent to each other while the direction of the wind according to the rotation of the blade to prevent the front of the fan coming out of the direction of the fan along the side hole.
The method of claim 1,
Air support portable fan, characterized in that the support member is coupled to the strap to hang on the neck of the user.
The method of claim 1,
A fixing band connected to the support member and having a band shape to fix one side of the support member to a user's body;
The support member,
A support core extending in the longitudinal direction and supporting the wing, the rear case and the front case in a bent or extended state; And
And a coil provided to surround the outer circumference of the support core along the longitudinal direction of the support core.
The method of claim 3, wherein
A binding ball provided at an end of the support member and having a larger diameter than the coil;
A binding bolt connected to the rear case and having a binding groove formed on an inner side thereof to surround the outer side of the binding ball; And
The air purifying portable fan, characterized in that it further comprises a binding nut formed to tighten the binding bolt while engaging the outside of the binding bolt while the binding ball is inserted into the binding groove.
The method according to claim 2 or 3,
The rear case,
A first inner cover disposed adjacent the wing; And
And a first outer cover detachably coupled to the first inner cover and having a shape corresponding to the first inner cover.
The first inner cover and the first outer cover are provided with the rear flesh, respectively, the respective rear flesh provided on the first inner cover and the first outer cover may overlap each other,
The air purifying portable fan, wherein the rear filter is provided between the first inner cover and the first outer cover.
delete The method of claim 1,
The front case,
And an opening hole formed to penetrate the second inner cover and the second outer cover.
The method of claim 7, wherein
It further comprises an air discharge line connected to the rear case or the front case and the purified air is discharged,
The air discharge line,
An air injection unit provided inside the rear case or the front case and into which the purified air is injected;
An air movement path connected to the air injection unit and communicating with the air injection unit and extending to the outside of the rear case or the front case; And
And an air discharge part connected to the air moving path and through which the air passing through the air moving path is discharged.
The method of claim 8,
And the air injection unit is coupled to an opening hole provided in the front case.
The method of claim 1,
A drive motor provided in the rear case and rotating the blade, a battery connected to the drive motor and transferring power to the drive motor, and electrically connected to the battery, and a charging port configured to charge external power to the battery; Air purification portable fan, characterized in that.
The method of claim 10,
The inner side of the rear case or the inner side of the front case is provided with a temperature control device for heating or cooling the air supplied with electric power from the battery is provided.

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