CN114508498A - Multifunctional bladeless handheld fan - Google Patents
Multifunctional bladeless handheld fan Download PDFInfo
- Publication number
- CN114508498A CN114508498A CN202210234716.2A CN202210234716A CN114508498A CN 114508498 A CN114508498 A CN 114508498A CN 202210234716 A CN202210234716 A CN 202210234716A CN 114508498 A CN114508498 A CN 114508498A
- Authority
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- China
- Prior art keywords
- motor
- fan
- handle
- bladeless
- multifunctional
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/084—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation hand fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/12—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a multifunctional bladeless handheld fan which comprises a handheld fan shell, a motor air duct and a fan blade, wherein the handheld fan shell comprises a handle and an air outlet duct positioned on the handle, the motor air duct is arranged in the handle, the air outlet duct is communicated with the front and the back, the bottom of the air outlet duct is communicated with the motor air duct in the handle, the motor is fixed in the motor air duct and is connected with the fan blade, and an ultrasonic spray humidifying device or a spiral rear shell with spiral convex ribs on the inner side surface is arranged in the air outlet duct. The beneficial effects of the invention are: the motor is arranged in the handle to form a bladeless blowing mode, and the problem that hair is clamped on fan blades when the fan is used is solved.
Description
Technical Field
The invention relates to a fan, in particular to a multifunctional bladeless handheld fan.
Background
The traditional handheld fan with blades has certain potential safety hazard, namely, in the process of using the fan, hair flying in the air is easily drawn into the fan behind the fan blades, so that a motor is blocked, and the hair cannot be taken out to cut off the hair.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a multifunctional bladeless handheld fan.
The invention provides a multifunctional bladeless handheld fan which comprises a handheld fan shell, a motor air duct and a fan blade, wherein the handheld fan shell comprises a handle and an air outlet duct positioned on the handle, the motor air duct is arranged in the handle, the air outlet duct is communicated with the front and the back, the bottom of the air outlet duct is communicated with the motor air duct in the handle, the motor is fixed in the motor air duct and is connected with the fan blade, and an ultrasonic spray humidifying device or a spiral rear shell with spiral convex ribs on the inner side surface is arranged in the air outlet duct.
As a further improvement of the invention, the motor air duct is a spiral motor air duct.
As a further improvement of the invention, the motor air duct is sleeved with a shockproof rubber sleeve.
As a further improvement of the invention, the spiral rear shell and the air outlet duct are both trumpet-shaped.
As a further improvement of the invention, a gear-shaped motor bracket is arranged in the motor air duct, and the motor is fixed on the gear-shaped motor bracket.
As a further improvement of the invention, the ultrasonic spray humidifying device comprises an atomizer fixing piece, atomizer fixing glue, an ultrasonic atomizer, a solution reservoir and a container rubber plug, wherein the atomizer fixing piece and the atomizer fixing glue are respectively installed on the ultrasonic atomizer, the ultrasonic atomizer is installed at the front end of the solution reservoir, and the container rubber plug is plugged on a liquid inlet of the solution reservoir.
As a further improvement of the invention, a sealing ring is arranged on the ultrasonic spray humidifying device or the spiral rear shell.
As a further improvement of the invention, a main control board is arranged in the handle, a handle cover is arranged on the handle, and a key fixing silica gel pad are arranged on the handle cover.
As a further improvement of the invention, a battery fixing shell is arranged in the handle, a battery is arranged in the battery fixing shell, a charge-discharge control plate and a silencing dustproof net are arranged at the bottom of the handle, the silencing dustproof net has two layers which are respectively an outer layer net and an inner layer net, the outer layer net and the inner layer net are arranged in a staggered mode to form a double-layer blocking type silencing dustproof net, and a silencing layer is arranged on the outer surface of the battery fixing shell.
As a further improvement of the invention, the fan blade is provided with nine wind blades, and the motor is a high-speed single-phase direct current motor.
The invention has the beneficial effects that: the motor is arranged in the handle to form a bladeless blowing mode, and the problem that hair is clamped on fan blades when the fan is used is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other solutions can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a multifunctional bladeless handheld fan according to a first embodiment of the present invention.
Fig. 2 is a schematic view of a second embodiment of the multifunctional bladeless handheld fan according to the present invention.
FIG. 3 is a schematic view of a spiral rear housing of a multifunctional bladeless hand held fan according to the present invention.
Fig. 4 is a schematic view of the motor portion of a multifunctional bladeless hand held fan of the present invention.
Fig. 5 is a schematic view of a noise reduction and dust prevention net of the multifunctional bladeless handheld fan according to the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention is further described with reference to the following description and embodiments in conjunction with the accompanying drawings.
As shown in fig. 1 to 5, a multifunctional bladeless handheld fan comprises a handheld fan housing 6, a motor 9, a motor air duct 10 and a fan blade 11, wherein the handheld fan housing 6 comprises a handle 61 and an air outlet duct 62 located on the handle 61, the motor air duct 10 is a vertical air duct, the motor air duct 10 is installed in the handle 61, the air outlet duct 62 is through from front to back and is a transverse air duct, the bottom of the air outlet duct 62 is communicated with the motor air duct 10 in the handle 61, the motor 9 is fixed in the motor air duct 10, the motor 9 is connected with the fan blade 11 to drive the fan blade 11 to rotate at a high speed, and an ultrasonic spray humidifying device or a spiral rear casing 7 with a spiral convex rib 71 on the inner side surface is installed in the air outlet duct 62.
The motor air duct 10 is a spiral motor air duct.
The motor air duct 10 is externally sleeved with a shockproof rubber sleeve, so that the shock noise generated when the motor rotates at a high speed can be reduced.
The spiral rear shell 7 and the air outlet duct 62 are both trumpet-shaped.
The gear-shaped motor bracket 101 is arranged in the motor air duct 10, the motor 9 is fixed on the gear-shaped motor bracket 101, and besides the motor 9 can be fixed, the gear-shaped motor bracket 101 has ventilation and heat dissipation effects, so that the motor heat generated during the operation of the high-speed motor can be more easily brought out by the structure without extra energy.
Ultrasonic spraying humidification device includes atomizer stationary blade 1, atomizer stationary glue 2, ultrasonic atomization ware 3, solution reservoir 4 and container plug 5, install respectively atomizer stationary blade 1, atomizer stationary glue 2 on the ultrasonic atomization ware 3, ultrasonic atomization ware 3 is installed the front end of solution reservoir 4, container plug 5 is stifled on the inlet of solution reservoir 4.
And a sealing ring 8 is arranged on the ultrasonic spray humidifying device or the spiral rear shell 7.
The handle 61 is internally provided with a main control board 19, the handle 91 is provided with a handle cover 16, and the handle cover 16 is provided with a key 17 and a key fixing silica gel pad 18.
Be equipped with battery set casing 15 in the handle 61, be equipped with battery 14 in the battery set casing 15, the bottom of handle 61 is equipped with charge-discharge control panel 12 and amortization dust screen 13, amortization dust screen 13 has two-layerly, is outer net 131 and inlayer net 132 respectively, outer net 131 and inlayer net 132 crisscross setting have constituted double-deck formula amortization dust screen of blocking, have amortization and dirt-proof function, the surface of battery set casing 15 has the amortization layer, has the function of amortization.
The charge and discharge control board 12 has a current-limiting and voltage-stabilizing function.
The fan blade 11 has nine wind blades, and the motor 9 is a high-speed single-phase direct current motor.
The ultrasonic spray humidifier and the spiral rear case 7 are parts to be switched.
As shown in fig. 1, when humidification is required, an ultrasonic spray humidifying device is installed.
As shown in fig. 2, when blowing is necessary, a spiral rear case 7 is attached.
The motor 9, the motor air duct 10 and the fan blade 11 are arranged in the handle 61, the fan blade 11 is not exposed, the problem that hair is stuck on the fan blade is solved well, and potential safety hazards are eliminated.
The spiral rear shell 7 is adopted to form an airflow coanda effect, so that the airflow rate of the rear shell is enhanced by 30 percent, and the output airflow rate is stronger by matching with a high-speed single-phase direct current motor; the handheld fan can output a strong wind effect of 12 km/h-20 km/h (1-3 grades).
The ultrasonic spray humidifying device with the replaceable mode (namely the atomizer fixing piece 1, the atomizer fixing glue 2, the ultrasonic atomizer 3, the solution storage 4 and the container rubber plug 5) is added, and clear water, milk and skin care solution with the concentration of less than 30% can be added to serve as the facial moisturizing and moistening effects while blowing, so that the aperture and the number of holes of the atomizing piece are increased, and the blocking probability is greatly reduced.
The battery 14 preferably adopts a safe and efficient dual-section 18650 lithium battery cell, and the electric quantity is: 3400mAx2=7800mA, can be used for a long time, and can also be used as a charger for charging a mobile phone when a bidirectional typeC charging port is used.
Adopt the amortization dust screen 13 of double-deck shielding mode, the biggest advantage of double-deck net is under the condition that does not influence the air intake area, can withstand the isolation technique that 50% noise output again, and at lithium cell casing's air passage surface mounting amortization material.
The handle 61 is provided with an air inlet duct which penetrates through the silencing and dust-proof screen 13, the charging and discharging control panel 12, the battery fixing shell 15 and the motor air duct 10.
The invention provides a multifunctional bladeless handheld fan, which comprises the following assembling processes:
the atomizer fixing piece 1 and the atomizer fixing glue 2 are arranged behind the ultrasonic atomizer 3 and then arranged at the front end of the solution storage 4, and the container rubber plug 5 is plugged after being filled with liquid, so that the ultrasonic spray humidifying device is formed; the sealing ring 8 is arranged on the solution storage 4 and the spiral rear cover 7 at the same time and is used as a sealing element of the handheld fan, wherein the ultrasonic spraying humidification device and the spiral rear cover 7 are used as parts for switching use, the ultrasonic spraying humidification device is used for providing a liquid atomization function, and the spiral rear cover 7 is used for providing a pure flow amplification blowing function; the motor 9 is arranged in the motor air duct 10 and is combined and fixed with the fan blade 11 to form a high-speed motor suite and then is arranged at the upper end of a handle 61 of the handheld fan shell 6; installing the main control panel 19 in the handle 61; the key 17 and the key fixing silica gel pad 18 are arranged on the handle cover 16; the battery 14 is arranged in the battery fixing shell 15 and then fixed inside the handle 61; the charge-discharge control panel 12 is arranged at the bottom of the handle 61 and fixed, and then the handle cover 16 is arranged on the handle 61; the noise-reduction dust-proof net 13 is mounted on the bottom of the handle 61.
The invention provides a multifunctional bladeless handheld fan, which has the following working principle:
the DC 5V enters through a type-C port of the noise reduction dustproof net 13, and enters into the main control board 19 after the current limiting and voltage stabilizing of the charge and discharge control board 12; the first set of power sources will output to the battery 14 for charging; the second group of power supplies select to output current to the ultrasonic atomizer 3 along with the switch of the key 17 so as to atomize and eject the liquid in the solution storage 4, thereby playing the effects of humidification and water supplement, the third group of power supplies are divided into 3 gears to output three-gear voltage to control the operation of the motor 9 so as to drive the fan blade 11 to generate air volume to blow out, and generate strong airflow at an air outlet; if the spiral rear shell 7 is switched, the strong airflow generates a coanda effect and generates a flow amplification effect through a hollow opening in the spiral rear shell 7, so that the output of wind power is increased.
The multifunctional bladeless handheld fan provided by the invention has the following advantages:
1) the coanda effect in air flow amplification is adopted, so that the fan has stronger wind power output in function, and has a hollow structure when a pure fan function is used; when the humidifying and atomizing function is used, the hollow structure is replaced by a liquid container.
2) The high-speed motor is arranged in the upper end of the handle to form a bladeless blowing mode, hair cannot be clamped on the fan blades when the fan is used, and the rotation of the fan blades cannot be seen in structural appearance.
3) The mode that the double-deck blade blocked has been adopted to the bottom air inlet, has realized blocking the noise excessive in the time, does not influence the entering and the dustproof effect of big amount of wind, and it has embodied the difference that covers the air inlet entirely structurally (inside part is seen to biggest bleeder vent and shielding), and has still realized mould one shot forming's volume production condition.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (9)
1. The utility model provides a multi-functional no blade handheld fan which characterized in that: including handheld fan casing, motor wind channel and fan blade, handheld fan casing includes the handle and is located air-out wind channel on the handle, the motor wind channel is installed in the handle, link up around the air-out wind channel, the bottom in air-out wind channel with motor wind channel in the handle is linked together, the motor is fixed in the motor wind channel, the motor with fan blade connects, install the heliciform backshell that ultrasonic wave spraying humidification device or medial surface have the protruding muscle of heliciform in the air-out wind channel, motor wind channel overcoat is equipped with shockproof gum cover.
2. The multifunctional bladeless hand-held fan of claim 1, wherein: the motor air duct is a spiral motor air duct.
3. The multifunctional bladeless hand-held fan of claim 1, wherein: the spiral rear shell and the air outlet duct are both trumpet-shaped.
4. The multifunctional bladeless hand-held fan of claim 1, wherein: a gear-shaped motor support is arranged in the motor air duct, and the motor is fixed on the gear-shaped motor support.
5. The multifunctional bladeless hand-held fan of claim 1, wherein: ultrasonic spraying humidification device includes atomizer stationary blade, atomizer stationary glue, ultrasonic atomizer, solution reservoir and container plug, atomizer stationary blade, atomizer stationary glue are installed respectively on the ultrasonic atomizer, the ultrasonic atomizer is installed the front end of solution reservoir, the container is glued to be filled up and is blocked up on the inlet of solution reservoir.
6. The multifunctional bladeless hand-held fan of claim 1, wherein: and a sealing ring is arranged on the ultrasonic spraying humidification device or the spiral rear shell.
7. The multifunctional bladeless hand-held fan of claim 1, wherein: the handle is internally provided with a main control board, the handle is provided with a handle cover, and the handle cover is provided with a key and a key fixing silica gel pad.
8. The multifunctional bladeless hand-held fan of claim 1, wherein: the battery fixing shell is arranged in the handle, a battery is arranged in the battery fixing shell, a charge-discharge control panel and a silencing dustproof net are arranged at the bottom of the handle, the silencing dustproof net is two-layered and is an outer layer net and an inner layer net respectively, the outer layer net and the inner layer net are arranged in a staggered mode to form a double-layer blocking type silencing dustproof net, and the outer surface of the battery fixing shell is provided with a silencing layer.
9. The multifunctional bladeless hand-held fan of claim 1, wherein: the fan blade is provided with nine fan blades, and the motor is a high-speed single-phase direct current motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210234716.2A CN114508498A (en) | 2022-03-10 | 2022-03-10 | Multifunctional bladeless handheld fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210234716.2A CN114508498A (en) | 2022-03-10 | 2022-03-10 | Multifunctional bladeless handheld fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114508498A true CN114508498A (en) | 2022-05-17 |
Family
ID=81553354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210234716.2A Pending CN114508498A (en) | 2022-03-10 | 2022-03-10 | Multifunctional bladeless handheld fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114508498A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11953017B1 (en) * | 2023-08-23 | 2024-04-09 | Shenzhen Qianhai Weilisheng Network Co., Ltd | Hand-held fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106567860A (en) * | 2015-10-10 | 2017-04-19 | 天津市凯威达通风设备有限公司 | Centrifugal fan device for explosion proofing |
| CN206582172U (en) * | 2017-03-22 | 2017-10-24 | 四川僰华精密模具有限公司 | Air outlet guiding device and bladeless fan |
| CN209604291U (en) * | 2019-03-06 | 2019-11-08 | 陈伟平 | A kind of no leaf holds fan |
| CN111441970A (en) * | 2020-04-03 | 2020-07-24 | 东莞市嘉木仕电子有限公司 | Hand-held bladeless fan |
| CN112535799A (en) * | 2021-01-13 | 2021-03-23 | 章建州 | Oxyhydrogen beauty health instrument |
| CN214788109U (en) * | 2021-02-25 | 2021-11-19 | 罗斌 | Bladeless fan |
| CN215444487U (en) * | 2021-08-11 | 2022-01-07 | 来发塑胶制品(深圳)有限公司 | Portable bladeless fan |
| CN215672912U (en) * | 2021-03-13 | 2022-01-28 | 佛山市柏飞特工业设计有限公司 | Handheld bladeless fan |
-
2022
- 2022-03-10 CN CN202210234716.2A patent/CN114508498A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567860A (en) * | 2015-10-10 | 2017-04-19 | 天津市凯威达通风设备有限公司 | Centrifugal fan device for explosion proofing |
| CN206582172U (en) * | 2017-03-22 | 2017-10-24 | 四川僰华精密模具有限公司 | Air outlet guiding device and bladeless fan |
| CN209604291U (en) * | 2019-03-06 | 2019-11-08 | 陈伟平 | A kind of no leaf holds fan |
| CN111441970A (en) * | 2020-04-03 | 2020-07-24 | 东莞市嘉木仕电子有限公司 | Hand-held bladeless fan |
| CN112535799A (en) * | 2021-01-13 | 2021-03-23 | 章建州 | Oxyhydrogen beauty health instrument |
| CN214788109U (en) * | 2021-02-25 | 2021-11-19 | 罗斌 | Bladeless fan |
| CN215672912U (en) * | 2021-03-13 | 2022-01-28 | 佛山市柏飞特工业设计有限公司 | Handheld bladeless fan |
| CN215444487U (en) * | 2021-08-11 | 2022-01-07 | 来发塑胶制品(深圳)有限公司 | Portable bladeless fan |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11953017B1 (en) * | 2023-08-23 | 2024-04-09 | Shenzhen Qianhai Weilisheng Network Co., Ltd | Hand-held fan |
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