CN220687637U

CN220687637U - Portable small fan

Info

Publication number: CN220687637U
Application number: CN202322417281.8U
Authority: CN
Inventors: 周焕杰
Original assignee: Shenzhen Wesker Technology Co ltd
Current assignee: Shenzhen Wesker Technology Co ltd
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2024-03-29
Anticipated expiration: 2033-09-06

Abstract

The utility model discloses a portable small fan, which comprises a shell, wherein a power supply and a control board are arranged in the shell, a driving piece is arranged in the shell, the driving piece and the power supply are respectively and electrically connected with the control board, a fan blade is arranged at the output end of the driving piece, the fan blade is rotatably connected with the driving piece, an air inlet is arranged at the front end face of the shell, an air outlet is arranged at the upper end face of the shell, the air outlet is arranged in the diameter direction of the fan blade in the rotating direction, a fixing component is arranged at the rear end face of the shell, and the fixing component is used for limiting the portable small fan at a preset position. The air outlet direction of the portable small fan is the diameter direction of the rotation of the fan blades, so that the portable small fan is changed into a centrifugal air outlet design, the air pressure of the air outlet is increased, the air supply distance is increased, the use requirements of cooling and radiating of a user can be better met, and the use feeling of the user is improved.

Description

Portable small fan

Technical Field

The utility model relates to the technical field of fans, in particular to a portable small fan.

Background

In summer, people often use air conditioners and fans to cool down; however, such cooling devices need to be used by borrowing points, but generally can only be used in indoor settings, and the occupations such as workshop workers, takeaway and distribution staff often need to endure high temperature, so various portable fans are appeared on the market, and the portable fans can be used by being powered by a storage battery in a handheld manner, hung on the waist or hung on the neck.

In the conventional portable fan, an axial flow fan is generally adopted, and the axial flow fan is used for directly feeding and discharging air, namely, the air axially enters the fan from an air inlet end and axially leaves from an air outlet end. However, the axial fan has lower wind pressure and shorter air supply distance, and when the distance between the user and the fan is larger, the fan has a function of reducing the temperature and heat dissipation of the user, and the user requirement cannot be well met.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a portable small fan, which comprises a shell, wherein a power supply and a control board are arranged in the shell, a driving piece is arranged in the shell, the driving piece and the power supply are respectively and electrically connected with the control board, a fan blade is arranged at the output end of the driving piece, the fan blade is rotatably connected with the driving piece, an air inlet is arranged on the front end face of the shell, an air outlet is arranged on the upper end face of the shell, the air outlet is arranged in the diameter direction of the rotation direction of the fan blade, a fixing assembly is arranged on the rear end face of the shell, and the fixing assembly is used for limiting the portable small fan at a preset position.

As a further improvement of the utility model, a front cover plate is arranged on the front end face of the shell, a connecting column is arranged on the front cover plate and connected with the shell, and the air inlet is arranged between the front cover plate and the shell.

As a further improvement of the utility model, a plurality of heat dissipation holes are arranged on the rear end face of the shell.

As a further development of the utility model, the drive element comprises a drive motor, which is connected to the housing, and the output of which is connected to the fan blade.

As a further improvement of the utility model, the fixing component comprises a waist hanging buckle, the waist hanging buckle is connected with the shell, a supporting block is arranged on the waist hanging buckle, one end of the supporting block is hinged with the waist hanging buckle, and the other end of the supporting block is a free end.

As a further improvement of the utility model, the positions of the waist hanging buckles corresponding to the supporting blocks are provided with mounting grooves, and the supporting blocks can be limited in the mounting grooves.

As a further improvement of the utility model, a first hand buckling groove is arranged on one side of the supporting block far away from the hinged end, a second hand buckling groove is arranged on the side wall of the mounting groove at the corresponding position of the first hand buckling groove, and the first hand buckling groove is connected with the second hand buckling groove.

As a further improvement of the utility model, the shell is provided with two rope hanging buckles, and the rope hanging buckles are symmetrically distributed on the left side and the right side of the shell.

As a further improvement of the utility model, a display screen is arranged on the front end face of the shell, and the display screen is electrically connected with the control panel.

As a further improvement of the utility model, the control panel is provided with a control button and a charging connector, and the control button and the charging connector respectively extend out of the surface of the shell.

Compared with the prior art, the utility model has the beneficial effects that:

according to the portable small fan, the upper end face of the shell is arranged on the air outlet, namely, the air outlet direction is the diameter direction of rotation of the fan blades, so that the portable small fan is changed into a centrifugal air outlet design, and compared with axial air outlet, the centrifugal air outlet design can improve the air pressure of the air outlet, so that the air supply distance is improved, the use requirements of cooling and radiating of a user can be better met, and the use pleasure of the user is improved.

Drawings

In order to more clearly illustrate the utility model or the solutions of the prior art, a brief description will be given below of the drawings used in the description of the embodiments or the prior art, it being obvious that the drawings in the description below are some embodiments of the utility model and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an exploded construction of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 3 is a schematic view of another view angle structure according to an embodiment of the present utility model;

fig. 4 is a schematic view of a waist-hanging buckle according to an embodiment of the present utility model.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used in the description is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the described embodiments of the utility model may be combined with other embodiments.

In order to enable those skilled in the art to better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

As shown in fig. 1 to 4, a portable small fan includes a housing 1, the housing 1 including a front case 101 and a rear case 102, the front case 101 and the rear case 102 being fixedly coupled by screws such that a relatively closed installation space is formed inside thereof. The power supply 2 and the control panel 3 are fixedly arranged in the shell 1, and the power supply 2 adopts a rechargeable storage battery to meet the daily requirement of carrying out. A driving piece is fixedly arranged in the shell 1, the driving piece and the power supply 2 are respectively and electrically connected with the control board 3, the driving piece is used for providing power, the output end of the driving piece is provided with a fan blade 4, and the fan blade 4 is rotatably connected with the driving piece; the control panel 3 is used for controlling the power supply 2 to supply power, and then the driving piece works to drive the fan blades 4 to rotate, so that blowing is realized. In this embodiment, the driving member includes a driving motor 5, the driving motor 5 is fixedly installed in the housing 1, and an output end of the driving motor 5 is fixedly connected with the fan blade 4.

An air inlet 103 is formed in the front end face of the shell 1, an air outlet 104 is formed in the upper end face of the shell 1, and the air outlet 104 is arranged in the diameter direction of the rotating direction of the fan blades 4; when the portable small fan works, the driving motor 5 drives the fan blades 4 to rotate, so that outside air flows in through the air inlet 103 and is discharged through the air outlet 104, and the air outlet 104 is arranged in the diameter direction of the rotation direction of the fan blades 4, so that the portable small fan is changed into a centrifugal air outlet fan, and compared with axial air outlet, the centrifugal air outlet fan can lift wind pressure, thereby improving the air supply distance and further improving the using comfort of a user.

The front end face of the shell 1 is provided with a front cover plate 6, the front cover plate 6 is provided with four connecting columns 7, the four connecting columns 7 are distributed on the front cover plate 6 in a rectangular shape, the connecting columns 7 are fixedly connected with the shell 1 through screws, and an air inlet 103 is formed between the front cover plate 6 and the shell 1. Specifically, after the connecting column 7 is installed and fixed with the housing 1, a gap exists between the front cover plate 6 and the housing 1 as the air inlet 103, and the front cover plate 6 is arranged to prevent a user from touching the fan blades 4, so that safety is improved; the possibility of foreign matters being involved in the fan blades 4 can be reduced, and the service life can be prolonged.

Be equipped with a plurality of louvres 105 on the rear end face of shell 1, can make the inside and outside air of shell 1 realize intercommunication through setting up louvre 105 to accomplish the heat exchange, take away the heat that driving motor 5 during operation produced, dispel the heat cooling to driving motor 5's work, increase of service life.

The front end face of the shell 1 is provided with a display screen 8, the display screen 8 is electrically connected with the control panel 3, and the display screen 8 can be used for displaying information such as the electric quantity condition of the power supply 2, the working mode of the fan, the working gear and the like; the user can know the behavior of fan through observing display screen 8 to in time charge, adjust etc. operation, improved the functionality of fan, satisfy user's daily user demand.

The control panel 3 is provided with a control button 9 and a charging connector 10, and the control button 9 and the charging connector 10 respectively extend out of the surface of the housing 1. The control button 9 is used for controlling the portable small fan to work, including controlling the starting, closing, adjusting gears and the like. The charging connector 10 is used for externally connecting a power supply 2 to charge the portable small fan. In this embodiment, the charging connector 10 is a Type-C connector, and in other embodiments, other types of connectors may be used for the charging connector 10.

The rear end face of the housing 1 is provided with a fixing component for limiting and fixing the portable small fan at a preset position, such as placing on a table top, hanging on a waist, and the like.

Specifically, fixed subassembly is including hanging waist knot 11, hangs waist knot 11 and shell 1 fixed connection through the screw, is convenient for hang this portable little fan dress on the waistband through setting up to hang waist knot 11, satisfies user's string waist user demand. The waist hanging buckle 11 is provided with a supporting block 12, one end of the supporting block 12 is hinged with the waist hanging buckle 11, and the other end is a free end. When the portable small fan is used, a user can open the supporting block 12 to enable the supporting block to rotate along the hinged end, so that the portable small fan can be placed on a table top through the supporting block 12, and the use requirement of the user when the user is inconvenient to hold the portable small fan in the hand is met.

In this embodiment, a mounting groove 111 is provided on the waist-hanging buckle 11 at a position corresponding to the supporting block 12, the supporting block 12 is mounted in the mounting groove 111 in a limited manner, and the supporting block 12 can rotate along the hinge end, so that it can be turned out of the mounting groove 111; after the supporting block 12 is rotatably accommodated in the mounting groove 111, the upper end surface of the supporting block 12 is flush with the surface of the waist hanging buckle 11, so that the appearance of the portable small fan is more attractive, and the portable small fan is convenient to accommodate and carry.

In order to facilitate the user to open the support block 12, a first hand-fastening groove 121 is provided on a side of the support block 12 away from the hinge end, and a second hand-fastening groove 112 is provided on a side wall of the mounting groove 111 at a position corresponding to the first hand-fastening groove 121, the first hand-fastening groove 121 being connected to the second hand-fastening groove 112. When the user needs to open the supporting block 12, the user uses his finger to prop against the second hand-buckling groove 112 and extend into the first hand-buckling groove 121, so that the supporting block 12 can be easily pushed to turn over and open, and the practicability and convenience are improved.

Two rope hanging buckles 13 are arranged on the shell 1, and the rope hanging buckles 13 are symmetrically distributed on the left side and the right side of the shell 1. The hanging rope buckle 13 can be used for installing hanging ropes, so that the portable fan can meet the use requirement of a user hanging the neck conveniently.

Working principle:

when the portable small fan is used, the hanging rope is arranged on the hanging rope buckle 13, so that the portable small fan is hung on the neck of a user to be used as a hanging neck fan; the portable small fan can also be hung on a waistband of a user through the waist hanging buckle 11 to be used as a waist hanging fan; the portable small fan can be placed on a table top through opening the supporting block 12 and then being supported by the supporting block 12 to be used as a table top fan; of course, the user may also directly hold the housing 1 as a hand-held fan.

When the fan is in operation, a user presses the control button 9, and after the control board 3 receives a control signal, the power supply 2 is controlled to supply power to the driving motor 5, and the driving motor 5 works to drive the fan blades 4 to rotate; the external air flows into the fan through the air inlet 103 and is discharged through the air outlet 104, so that the blowing function is realized. The user can in time know the behavior of fan through observing display screen 8, including electric quantity, gear etc..

The foregoing embodiments are preferred embodiments of the present utility model, and are not intended to limit the scope of the utility model, which is defined by the appended claims, but rather by the following claims.

Claims

1. A portable small fan, characterized in that: the portable small fan comprises a shell, a power supply and a control board are arranged in the shell, a driving piece is arranged in the shell, the driving piece and the power supply are respectively electrically connected with the control board, a fan blade is arranged at the output end of the driving piece, the fan blade is rotatably connected with the driving piece, an air inlet is formed in the front end face of the shell, an air outlet is formed in the upper end face of the shell, the air outlet is arranged in the diameter direction of the rotation direction of the fan blade, a fixing assembly is arranged on the rear end face of the shell, and the fixing assembly is used for limiting the portable small fan at a preset position.

2. The portable small fan of claim 1, wherein: the front end face of the shell is provided with a front cover plate, the front cover plate is provided with a connecting column, the connecting column is connected with the shell, and the air inlet is arranged between the front cover plate and the shell.

3. The portable small fan of claim 1, wherein: the rear end face of the shell is provided with a plurality of heat dissipation holes.

4. The portable small fan of claim 1, wherein: the driving piece comprises a driving motor, the driving motor is connected with the shell, and the output end of the driving motor is connected with the fan blade.

5. The portable small fan of any of claims 1-4, wherein: the fixing component comprises a waist hanging buckle, the waist hanging buckle is connected with the shell, a supporting block is arranged on the waist hanging buckle, one end of the supporting block is hinged to the waist hanging buckle, and the other end of the supporting block is a free end.

6. The portable small fan of claim 5, wherein: the waist hanging buckle is provided with a mounting groove at the corresponding position of the supporting block, and the supporting block can be limited in the mounting groove.

7. The portable small fan of claim 6, wherein: one side of the support block, which is far away from the hinged end, is provided with a first hand buckling groove, a second hand buckling groove is arranged on the side wall of the mounting groove at the corresponding position of the first hand buckling groove, and the first hand buckling groove is connected with the second hand buckling groove.

8. The portable small fan of any of claims 1-4 or 6-7, wherein: the shell is provided with two rope hanging buckles, and the rope hanging buckles are symmetrically distributed on the left side and the right side of the shell.

9. The portable small fan of claim 8, wherein: the front end face of the shell is provided with a display screen, and the display screen is electrically connected with the control panel.

10. The portable small fan of claim 8, wherein: the control panel is provided with a control button and a charging connector, and the control button and the charging connector extend out of the surface of the shell respectively.