Miniature vortex fan

By improving the impeller structure and functional integration of the micro vortex blower, the problems of low airflow pressurization efficiency, insufficient functions, and poor waterproof performance of existing micro vortex blowers have been solved, achieving high efficiency, energy saving, multi-functional integration, and portability, making it suitable for outdoor emergency scenarios.

CN224017426UActive Publication Date: 2026-03-20SHENZHEN CHITWAN PLASTIC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-27
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing micro vortex blowers suffer from problems such as simple impeller structure, low airflow pressurization efficiency, insufficient functional integration, poor waterproof performance, and insufficient portability, making it difficult to meet the multifunctional needs of outdoor emergency scenarios.

Method used

The improved impeller structure features an 18-blade group design, combined with a 69° tail-end pressurization angle, integrated LED lights, SOS signal lights, and a waterproof sealing structure. The motor and lithium battery are integrated using a middle shell support structure, achieving multi-functional integration and portability.

Benefits of technology

It improves airflow compression efficiency, supports inflation, deflation, lighting and distress signaling functions, and features high energy efficiency and waterproof performance, while reducing the overall size and weight of the machine.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a miniature vortex fan which comprises an outer lampshade, a top cover body is installed at the upper end of a fan blade upper cover, vortex fan blades are rotatably installed between a middle shell support structure and the fan blade upper cover, a hollow cup motor is installed at the end of a middle rotating shaft of the vortex fan blades, LED lamps are fixedly installed at the bottom end and the side of a PCB control panel, and the bottom end of the PCB control panel is provided with a power source. The device has the characteristics of high efficiency and energy conservation, through the design of 18 long, middle and short vortex fan blades in groups and in combination with a tail end pressurization angle, three-stage compression of airflow is realized, and the wind pressure efficiency is improved; four-corner LED lamps, a side light supplementing lamp and an SOS signal lamp are arranged at the bottom, and the four-in-one function of air inflation, air exhaust, illumination and help seeking is supported; the PCB control board supports four-gear light switching (basic lighting-full lighting-high beam-SOS) to realize intelligent control, and monitors the electric quantity of the lithium battery in real time; and the device has the advantages of compact structure, water resistance and portability.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vortex fan, specifically relates to micro vortex fan. BACKGROUND

[0002] The prior art micro vortex fan has the following technical defects: 1. the traditional impeller structure is single, the airflow pressurization efficiency is low, leading to high energy consumption; 2. the functional integration degree is insufficient, lacking additional functions such as lighting and emergency; 3. poor waterproof performance, limited for outdoor use; 4. the suspension structure design is unreasonable, and the portability is insufficient. Especially in the outdoor emergency scene, the existing equipment is difficult to meet the inflation, air extraction, lighting and portable requirements at the same time.

[0003] The utility model discloses an improved impeller structure, integrated multifunctional module and optimized sealing design, which effectively solve the above problems.

[0004] For the problems in the related art, no effective solution has been proposed so far. UTILITY MODEL CONTENTS

[0005] For the problems in the related art, the utility model provides a micro vortex fan to overcome the above technical problems existing in the prior art.

[0006] Therefore, the utility model adopts the specific technical scheme as follows:

[0007] The micro vortex fan comprises an outer lampshade, a middle shell support structure is installed at the upper end of the outer lampshade, a fan blade upper cover is installed at the upper end of the middle shell support structure, a top cover body is installed at the upper end of the fan blade upper cover, a vortex fan blade is rotatably installed between the middle shell support structure and the fan blade upper cover, a hollow cup motor is installed at the middle rotating shaft end of the vortex fan blade, a lithium battery is arranged on the outer side of the fan blade motor, a PCB control board is installed at the bottom of the lithium battery, and an LED lamp is fixedly installed at the bottom end and the side of the PCB control board.

[0008] As a further scheme of the utility model, a silk column is arranged at the upper end of the fan blade upper cover, and a fastening screw is spirally connected in the silk column of the fan blade upper cover.

[0009] As a further scheme of the utility model, a hook is arranged on the inner side of the top cover body, an elastic metal buckle is installed on the inner side of the hook, and the rotating shaft of the hook is located on the inner side of the fan blade upper cover.

[0010] As a further scheme of the utility model, an inner lampshade is installed on the inner side of the outer lampshade, and a spotlight reflecting cup is installed at the inner side bottom end of the inner lampshade.

[0011] As a further scheme of the utility model, the edge inside of the inner lamp shade is provided with a switch circuit board, a charging port is fixedly installed on the switch circuit board, a switch key is installed on the outside of the switch circuit board, and a charging port waterproof plug is installed on the outside of the charging port.

[0012] As a further scheme of the utility model, the vortex impeller is provided with six groups of blades, the blades of each group of the vortex impeller are provided with three sizes of long, short and medium, and the blades of the vortex impeller are 18 in total.

[0013] The utility model has the advantages of:

[0014] High efficiency and energy saving: through the design of 18 long, medium and short grouped vortex impellers, combined with a 69° tail end supercharging angle, three-stage air compression is realized, and the wind pressure efficiency is improved; multifunctional integration: four corner LED lamps, side light supplementing lamps and SOS signal lamps are arranged at the bottom, and four functions of inflation, air extraction, illumination and help seeking are supported; waterproof and portable: the charging port is provided with a waterproof plug, and the lamp shade adopts a double-layer sealing structure and can be efficiently waterproofed; intelligent control: the PCB control board supports four gear light switching (basic illumination-full illumination-high beam-SOS), and the lithium battery capacity is monitored in real time; compact structure: the hollow cup motor and the lithium battery are integrated through the middle shell support structure, the overall size is reduced, and the weight is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] Figure 1 It is the overall structure schematic view of the micro vortex fan according to the embodiment of the utility model;

[0017] Figure 2 It is the overall bottom view of the micro vortex fan according to the embodiment of the utility model;

[0018] Figure 3 It is the overall explosion view of the micro vortex fan according to the embodiment of the utility model;

[0019] Figure 4 It is the installation structure schematic view of the switch circuit board of the micro vortex fan according to the embodiment of the utility model;

[0020] Figure 5 It is the installation structure schematic view of the hook and the impeller upper cover of the micro vortex fan according to the embodiment of the utility model;

[0021] Figure 6 is a whole structure schematic view of a vortex fan blade of a micro vortex fan according to an embodiment of the present utility model;

[0022] Figure 7 is a mounting structure schematic view of an LED lamp and a PCB control panel of a micro vortex fan according to an embodiment of the present utility model.

[0023] In the drawings:

[0024] 1, outer lampshade; 2, inner lampshade; 3, light-gathering reflective cup; 4, PCB control panel; 41, LED lamp; 5, lithium battery; 6, hollow cup motor; 7, switch circuit board; 71, charging port; 8, switch key; 9, charging port waterproof plug; 10, middle shell support structure; 11, vortex fan blade; 12, fan blade upper cover; 13, top cover body; 14, fastening screw; 15, hook; 16, elastic metal buckle. DETAILED DESCRIPTION

[0025] To further illustrate the embodiments, the present utility model provides drawings which are part of the disclosure of the present utility model, mainly used to illustrate the embodiments, and can explain the operating principle of the embodiments in cooperation with the related description of the specification. With reference to these contents, those skilled in the art should be able to understand other possible embodiments and advantages of the present utility model. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0026] According to the embodiments of the present utility model, a micro vortex fan is provided.

[0027] Please refer to the drawings attached to the specification Figures 1-7 According to the micro vortex fan of the embodiments of the present utility model, the outer lampshade 1 is provided with a middle shell support structure 10 at the upper end, the middle shell support structure 10 is provided with a fan blade upper cover 12 at the upper end, the fan blade upper cover 12 is provided with a top cover body 13 at the upper end, a vortex fan blade 11 is rotatably installed between the middle shell support structure 10 and the fan blade upper cover 12, a hollow cup motor 6 is installed at the middle rotating shaft end of the vortex fan blade 11, a lithium battery 5 is arranged on the outer side of the fan motor 6, a PCB control panel 4 is installed at the bottom of the lithium battery 5, and an LED lamp 41 is fixedly installed at the bottom end and the side of the PCB control panel 4.

[0028] In an embodiment, please refer to the drawings attached to the specification Figures 1-7 As a further scheme of the present utility model, a screw column is arranged at the upper end of the fan blade upper cover 12, and a fastening screw 14 is spirally connected in the screw column of the fan blade upper cover 12.

[0029] In an embodiment, please refer to the drawings attached to the specification Figures 1-7As a further scheme of the utility model, the hook 15 is internally provided with an elastic metal buckle 16.

[0030] In an embodiment, refer to the attached drawings of the specification Figures 1-7 As a further scheme of the utility model, the inner lamp shade 2 is internally provided with a light-gathering reflective cup 3.

[0031] In an embodiment, refer to the attached drawings of the specification Figures 1-7 As a further scheme of the utility model, the inner lamp shade 2 is internally provided with a light-gathering reflective cup 3.

[0032] In an embodiment, refer to the attached drawings of the specification Figures 1-7 As a further scheme of the utility model, the vortex impeller 11 is provided with 6 groups of blades, each group of the vortex impeller 11 is provided with long, short and medium blades, and the vortex impeller 11 is provided with 18 blades in total.

[0033] The device can be used on an outdoor micro mobile inflatable pump, and the new vortex impeller is provided with three kinds of sizes (long, short and medium) of blades, 6 groups of blades are arranged in a circle, and 18 blades are arranged in total.

[0034] The device is designed as a cube.

[0035] P switch button: the wind flow is increased in pressure in the middle and flows through the cavity below the periphery to be discharged from the air outlet, so as to improve the air pressure and flow and save energy.

[0036] Four LED illuminating lamps are arranged on the side of the lower section, four illuminating lamps are arranged on the bottom corners, the middle equipment on the bottom has a high beam flashlight illuminating lamp function, and the bottom is additionally provided with an SOS distress signal lamp, L: is an illuminating switch piece, the first gear, the four corner lamps on the bottom are lit, the second gear increases the four side lamps, the third gear, a single high beam flashlight illuminating lamp, the fourth gear, the SOS distress signal lamp flashes, functions: 1: the maximum air pressure is 6KPA, (air bed, swimming ring, kayak, balloon, toy ball), 2: the maximum negative pressure is-5.5KPA, (clothes storage vacuum shrink bag) 3: outdoor illuminating lamp, 4: outdoor high beam flashlight, 5: SOS signal lamp.

[0037] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A miniature vortex blower, including an outer lampshade (1), characterized in that: The upper end of the outer lamp cover (1) is equipped with a middle shell support structure (10), the upper end of the middle shell support structure (10) is equipped with a fan blade cover (12), the upper end of the fan blade cover (12) is equipped with a top cover body (13), a vortex fan blade (11) is rotatably installed between the middle shell support structure (10) and the fan blade cover (12), a hollow cup motor (6) is installed at the end of the central shaft of the vortex fan blade (11), a lithium battery (5) is provided on the outside of the hollow cup motor (6), a PCB control board (4) is installed at the bottom of the lithium battery (5), and LED lights (41) are fixedly installed at the bottom and sides of the PCB control board (4).

2. The miniature vortex blower according to claim 1, characterized in that: The upper edge of the fan blade cover (12) is provided with a threaded post, and a fastening screw (14) is spirally connected inside the threaded post of the fan blade cover (12).

3. The micro vortex blower according to claim 1, characterized in that: The top cover (13) is provided with a hook (15) on the inside, and an elastic metal buckle (16) is installed on the inside of the hook (15). The pivot of the hook (15) is located on the inside of the fan blade cover (12).

4. The miniature vortex blower according to claim 1, characterized in that: An inner lamp cover (2) is installed on the inner side of the outer lamp cover (1), and a light-concentrating reflector (3) is installed on the bottom inner side of the inner lamp cover (2).

5. The micro vortex blower according to claim 4, characterized in that: A switch circuit board (7) is installed on the inner side of the inner lamp cover (2). A charging port (71) is fixedly installed on the switch circuit board (7). A switch button (8) is installed on the outside of the button on the switch circuit board (7). A charging port waterproof plug (9) is installed on the outside of the charging port (71).

6. The miniature vortex blower according to claim 1, characterized in that: The vortex fan blade (11) has 6 sets of blades, and each set of the vortex fan blade (11) has three sizes: long, short, and medium. The vortex fan blade (11) has a total of 18 blades.