CN221683238U

CN221683238U - High-speed wireless handheld violent fan

Info

Publication number: CN221683238U
Application number: CN202420055924.0U
Authority: CN
Inventors: 凌美
Original assignee: Shenzhen Wenmai Technology Co ltd
Current assignee: Shenzhen Wenmai Technology Co ltd
Priority date: 2024-01-10
Filing date: 2024-01-10
Publication date: 2024-09-10
Anticipated expiration: 2034-01-10

Abstract

The utility model discloses a high-speed wireless handheld violent fan, and belongs to the technical field of blowers. The utility model comprises a handle and a spray cylinder, wherein the spray cylinder is vertically arranged at the top of the handle, a battery and a PCAB plate are arranged in the handle, a turbofan and a baffle are arranged in the spray cylinder, an air inlet and an air pipe are respectively arranged at the bottom and the top of the handle, and air flows through the air inlet, flow through the surfaces of the battery and the PCBA plate and enter the spray cylinder through the air pipe. The turbofan is fixed in the sleeve, the sleeve is wrapped by the fixed pipe and fixed at the top of the middle frame, the sleeve is provided with a hole communicated with the air pipe, and the end parts of the fastener and the sleeve are provided with threads for installing the suction nozzle and the spray nozzle. The utility model adopts a double air inlet design, and the battery and the circuit board are cooled by air current, so that the service time and the service life of the fan are effectively prolonged, the high rotating speed performance of the turbofan can be exerted, the whole machine adopts a wireless design, the whole machine is small and convenient, assembly parts can be added in front and behind the spraying cylinder, the air can be sucked and blown, and the utility model has the characteristics of high efficiency, portability, durability and the like.

Description

High-speed wireless handheld violent fan

Technical Field

The utility model belongs to the technical field of blowers, and particularly relates to a high-speed wireless handheld violent fan.

Background

At present, most of handheld fans are of traditional design, the service life of batteries is short, wind power is small, and the long-time use requirement of users cannot be met. In addition, the wired handheld fan is limited by the wire length when in use, and a plurality of inconveniences are brought to a user. To this end, chinese patent 2022228212561 discloses a cordless hair dryer, as shown in fig. 1, which includes a dryer housing, a motor cover provided inside the dryer housing, and a blower mechanism provided inside the dryer housing, the motor cover being positioned at a cylindrical position inside the dryer housing, the blower mechanism being provided inside the motor cover. In the actual use process, the vortex fan rotates at a high speed, so that the power consumption is extremely high, the battery discharges quickly and the current passing through the circuit board is large, the battery and the circuit board generate heat, the vortex fan cannot be used for a long time, the service life of the product is influenced, and the safety is poor. Therefore, a high-speed wireless handheld violent fan is provided, and the problems are solved.

Disclosure of utility model

The utility model aims to provide a high-speed wireless handheld violent fan, and aims to solve the problems that the service life of batteries and circuit boards of the existing high-speed wireless handheld violent fan is greatly influenced by heat in the background art. In order to achieve the purpose, the utility model adopts the following technical scheme: a high-speed wireless handheld violent fan comprises a handle and a spray cylinder, wherein the spray cylinder is vertically arranged at the top of the handle, a battery and a PCBA board are arranged in the handle, a turbofan and a baffle are arranged in the spray cylinder, an air inlet and an air pipe are respectively arranged at the bottom and the top of the handle, and air flows through the air inlet, flows through the surfaces of the battery and the PCBA board and enters the spray cylinder through the air pipe. According to the technical scheme, the heat of the battery and the circuit board is taken away by the air flow generated during the working of the turbofan, the turbofan can work for a long time without heating, and the service life and the use safety of the product are effectively improved.

To the further description of the aforesaid scheme, the inside center that is equipped with of handle, battery, PCBA board are installed on the center, and the bottom of handle is equipped with detachable bottom, and the air intake has been seted up to the bottom, and the tuber pipe is located the top of center, fixes main spare part on the center, and convenient equipment improves its compactedness.

Further, PCBA board includes first PCBA board, second PCBA board, and first PCBA board installs the side at the center, and integrated pilot lamp, main button, socket on the first PCBA board, and first PCBA board mainly used control, electric current, voltage are little. The second PCBA board is installed at the top inboard of center, installs vice button on the second PCBA board, and first PCBA board and second PCBA board electric connection, second PCBA board and turbofan, battery electric connection, and the second PCBA board is mainly with the energy supply high-speed brushless motor of battery, and electric current, the voltage of passing through the second PCBA board are great.

Further describing the scheme, the spray cylinder further comprises a fixed pipe and a sleeve, the turbofan is fixed in the sleeve, the fixed pipe wraps the sleeve and is fixed at the top of the middle frame, and the sleeve is provided with a hole communicated with the air pipe.

More preferably, the tail part of the sleeve is provided with a fastener for fixing the baffle on the sleeve, so that the baffle can be conveniently detached for ash removal. The separation blade includes main separation blade, vice separation blade, and the hole of main separation blade is greater than the hole of vice separation blade, improves the security.

More preferably, the end parts of the fastening piece and the sleeve are provided with threads for installing the suction nozzle and the spray nozzle, so that various special accessories can be conveniently installed.

Further, the air outlet of the sleeve is in a conical design, the diameter of the sleeve is gradually reduced along the direction of the air outlet, and the large wind pressure and the concentrated wind force are ensured.

Compared with the prior art, the utility model adopts a double air inlet design, and the battery and the circuit board are cooled by wind current, so that the service time and the service life of the fan are effectively prolonged, the high rotating speed performance of the turbofan can be exerted, and the utility model has the characteristics of high efficiency, portability, durability and the like; the whole machine adopts wireless design, is small and convenient, can be added with assembly parts in front and back of the spray cylinder, can be sucked and blown, and can be applied to blowing, cleaning, dust collection, inflation and the like.

Drawings

FIG. 1 is a schematic diagram of the Chinese patent 2022228212561;

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

FIG. 3 is a schematic view of another embodiment of the present utility model;

FIG. 4 is an exploded view of an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a middle frame structure according to an embodiment of the present utility model;

FIG. 6 is an exploded view of a spray nozzle according to an embodiment of the present utility model;

Fig. 7 is a cross-sectional view provided by an embodiment of the present utility model.

Wherein, each reference sign in the figure:

1. A handle; 11. a bottom cover; 111. an air inlet; 12. a middle frame; 121. an air duct; 2. a spray cylinder; 21. a fixed tube; 22. a sleeve; 23. a turbofan; 24. a main baffle; 25. an auxiliary baffle; 26. a fastener; 3. a battery; 4. a first PCBA board; 41. a main key; 42. an indicator light; 43. a socket; 5. a second PCBA board; 51. and an auxiliary key.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

The utility model provides a high-speed wireless handheld violent fan which is used for solving the problem that a battery and a circuit board of the existing high-speed wireless handheld violent fan are large in heat, and particularly comprises a handle 1 and a spray cylinder 2, wherein the spray cylinder 2 is vertically arranged at the top of the handle 1, a battery 3 and a PCBA board are arranged in the handle 1, a turbofan 23 and a baffle are arranged in the spray cylinder 2, an air inlet 111 and an air pipe 121 are respectively arranged at the bottom and the top of the handle 1, and wind flows through the surfaces of the battery 3 and the PCBA board through the air inlet 111 and enters the spray cylinder 2 through the air pipe 121. As shown in fig. 4 and 7, the handle 1 is internally provided with a middle frame 12, the battery 3 and the PCBA board are mounted on the middle frame 12, the bottom of the handle 1 is provided with a detachable bottom cover 11, the bottom cover 11 is provided with an air inlet 111, the air pipe 121 is positioned at the top of the middle frame 12, main parts are fixed on the middle frame 12, the assembly is convenient, and the compactness is improved. The PCBA board includes first PCBA board 4, second PCBA board 5, and first PCBA board 4 installs in the side of center 12, and integrated pilot lamp 42, main button 41, socket 43 on the first PCBA board 4, and first PCBA board 4 mainly used control, electric current, voltage are little. The second PCBA board 5 is installed at the top inboard of center 12, installs vice button 51 on the second PCBA board 5, and first PCBA board 4 and second PCBA board 5 electric connection, second PCBA board 5 and turbofan 23, battery 3 electric connection, and second PCBA board 5 mainly supplies high-speed brushless motor with battery 3's energy, and electric current, the voltage that pass through second PCBA board 5 are great.

As shown in fig. 6 and 7, the spray tube 2 further comprises a fixing tube 21 and a sleeve 22, the turbofan 23 is fixed in the sleeve 22, the fixing tube 21 wraps the sleeve 22 and is fixed at the top of the middle frame 12, and the sleeve 22 is provided with a hole communicated with the air pipe 121. The tail of the sleeve 22 is provided with a fastener 26 for fixing the baffle on the sleeve 22, so that the baffle can be conveniently detached for ash removal. The separation blade includes main separation blade 24, vice separation blade 25, and the hole of main separation blade 24 is greater than the hole of vice separation blade 25, improves the security. The fastening piece 26 and the end part of the sleeve 22 are respectively provided with threads for installing a suction nozzle and a spray nozzle, so that various special accessories can be conveniently installed. As shown in fig. 7, the air outlet of the sleeve 22 is tapered, and the diameter of the sleeve 22 gradually decreases along the direction of the air outlet, so as to ensure that the wind pressure is high and the wind force is concentrated.

The following further illustrates the principles of the present utility model in connection with a mode of use in order to provide a more thorough understanding of the present utility model.

In the actual use process, the main button 41 is pressed to operate, and when the turbofan 23 operates, as shown in fig. 7, air enters from the fastener 26 and the bottom cover 11 respectively, and is pressurized by the turbofan 23 and then rapidly ejected. The user can connect various air outlet nozzles at the threaded opening of the sleeve 22, can connect a dust collection device at the threaded opening of the fastener 26, can suck and blow, and can be applied to blowing, cleaning, dust collection, inflation and the like.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiments, and the terms "upper," "lower," "left," "right," "front," "back," and the like are used herein with reference to the positional relationship of the drawings.

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 herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The above embodiments are only for illustrating the present utility model, not for limiting the present utility model, and various changes and modifications may be made by one of ordinary skill in the relevant art without departing from the spirit and scope of the present utility model, and therefore, all equivalent technical solutions are also within the scope of the present utility model, and the scope of the present utility model is defined by the claims.

Claims

1. The utility model provides a high-speed wireless handheld violent fan, includes handle (1), spouts a section of thick bamboo (2), its characterized in that: the utility model discloses a spraying device, including handle (1), spraying tube (2), battery (3), PCBA board, be equipped with turbofan (23), separation blade in spraying tube (2), bottom, top of handle (1) are equipped with air intake (111), tuber pipe (121) respectively, and the wind flows through battery (3), PCBA board's surface and gets into spraying tube (2) through tuber pipe (121) through air intake (111).

2. The high-speed wireless handheld violent fan as set forth in claim 1, wherein: the novel multifunctional electric power tool is characterized in that a middle frame (12) is arranged inside the handle (1), the battery (3) and the PCBA board are installed on the middle frame (12), a detachable bottom cover (11) is arranged at the bottom of the handle (1), an air inlet (111) is formed in the bottom cover (11), and the air pipe (121) is located at the top of the middle frame (12).

3. A high-speed wireless handheld violent fan in accordance with claim 2, wherein: the PCBA board includes first PCBA board (4), second PCBA board (5), first PCBA board (4) are installed in the side of center (12), and integrated pilot lamp (42), main button (41), socket (43) on first PCBA board (4), second PCBA board (5) are installed at the top inboard of center (12), install auxiliary button (51) on second PCBA board (5), first PCBA board (4) and second PCBA board (5) electric connection, second PCBA board (5) and turbofan (23), battery (3) electric connection.

4. A high-speed wireless handheld violent fan in accordance with claim 2, wherein: the spraying cylinder (2) further comprises a fixed pipe (21) and a sleeve (22), the turbofan (23) is fixed in the sleeve (22), the fixed pipe (21) wraps the sleeve (22) and is fixed at the top of the middle frame (12), and the sleeve (22) is provided with a hole communicated with the air pipe (121).

5. The high-speed wireless handheld violent fan as defined in claim 4, wherein: the tail of the sleeve (22) is provided with a fastener (26) for fixing the baffle on the sleeve (22), the baffle comprises a main baffle (24) and an auxiliary baffle (25), and holes of the main baffle (24) are larger than holes of the auxiliary baffle (25).

6. The high-speed wireless handheld violent fan as defined in claim 5, wherein: the fastening piece (26) and the end part of the sleeve (22) are respectively provided with threads for installing the suction nozzle and the spray nozzle.

7. The high-speed wireless handheld violent fan as defined in claim 4, wherein: the air outlet of the sleeve (22) is in a conical design, and the diameter of the sleeve (22) is gradually reduced along the direction of the air outlet.