CN211924530U

CN211924530U - Desk fan

Info

Publication number: CN211924530U
Application number: CN202020498627.5U
Authority: CN
Inventors: 赵林; 林景祥
Original assignee: Foshan Smart Frog Technology Co ltd
Current assignee: Foshan Smart Frog Technology Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2020-11-13
Anticipated expiration: 2030-04-07

Abstract

The utility model relates to a desktop fan, it includes barrel, flabellum, motor and supporting legs, the barrel that the barrel link up around being, in the barrel was arranged in to motor and flabellum, the motor drive flabellum was rotatory, the supporting legs set up on the barrel with the rotation mode, and the one end of supporting legs is supported and is leaned on the desktop, and the other end bearing barrel of supporting legs still includes air inlet screen panel and air-out screen panel, the air inlet screen panel sets up at the barrel rear end, and the air-out screen panel sets up at the barrel front end, and the position that the barrel outer wall is close to the flabellum is provided with the. The utility model discloses in the external air got into the barrel through two wind channels, the net gape discharge toward the air-out screen panel jointly at last effectively reduced wind and made an uproar to reach and fall and make an uproar, silence effect.

Description

Desk fan

Technical Field

The utility model relates to a household electrical appliances field, in particular to desktop fan.

Background

The fan is a device which is driven by electricity to generate air flow, and the fan arranged in the fan is electrified and then rotated into natural wind to achieve the effect of cooling.

At present, some little fans suitable for putting on the desktop appear in the market, because little fan area is little, be fit for putting and use on the desk, but, because current fan includes the barrel that link up from top to bottom, the flabellum setting is in the barrel, the barrel front end is the air outlet, the barrel rear end is the air intake, the flabellum is when the barrel internal rotation, make the outside air form the air current through the air intake toward the air outlet discharge and blow to the user on one's body, reach the cooling effect, but, because the distance between its air intake and the air outlet is far away, wind produces great wind noise at the process that the barrel flows, influence user's official working.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, less desktop fan of making an uproar is made by wind.

The purpose of the utility model is realized like this:

the utility model provides a desktop fan, includes barrel, flabellum, motor and supporting legs, the barrel that the barrel link up around for, in the barrel was arranged in to motor and flabellum, the motor drive flabellum was rotatory, the supporting legs set up on the barrel with the rotation mode, and the one end of supporting legs is supported and is leaned on the desktop, and the other end bearing barrel of supporting legs still includes air inlet screen panel and air-out screen panel, the air inlet screen panel sets up in the barrel rear end, and the air-out screen panel sets up at the barrel front end, and the position that the barrel outer wall is close to the flabellum is.

Desktop fan possesses two wind channels, and therefore when the flabellum is rotatory, the first wind channel of external part air route gets into the barrel, and another part air route second wind channel gets into the barrel, and the user is blown toward the outer discharge at last jointly, and in two wind channels of air route got into the barrel, the external air with traditional fan can only follow first wind channel and get into the barrel and lead to wind to make an uproar greatly to compare, the utility model discloses in the external air got into the barrel through two wind channels, the net gape discharge toward the air-out screen panel at last jointly effectively reduces wind and makes an uproar to reach and fall and make an uproar, silence effect.

The purpose of the utility model can also adopt the following technical measures to solve:

as a more specific scheme, the air inlet mesh enclosure is sunken towards the inside of the barrel to form a mounting cavity for mounting the motor and the storage battery, and a shielding cover is arranged at the inlet of the air inlet mesh enclosure corresponding to the mounting cavity. The storage battery and the motor are arranged in the mounting cavity, and the shielding cover shields the storage battery and the motor, so that the desktop fan is more attractive.

As a more specific scheme, the electric vehicle further comprises a storage battery and a circuit board, the motor and the storage battery are arranged in the installation cavity, the shielding cover is provided with a charging socket, a switch button and an indicator light for displaying the electric quantity of the battery, and the charging socket, the switch button, the indicator light, the storage battery and the motor are respectively electrically connected with the circuit board. Charging socket, shift knob, pilot lamp all set up and cover sheltering from, and the flip cover is located the barrel rear end moreover, does not influence the pleasing to the eye of desktop fan.

As a more specific scheme, the mesh opening of the air inlet mesh enclosure, the inner cavity of the cylinder and the mesh opening of the air outlet mesh enclosure are communicated to form a first air duct, and the mesh opening of the air inlet, the inner cavity of the cylinder and the air outlet mesh enclosure are communicated to form a second air duct. The first air channel path is long, so that the wind noise generated when the external air passes through the first air channel is large, the second air channel path is short, the wind noise generated when the air passes through the second fan is small, the external air enters the cylinder body through the two air channels and is discharged to the net opening of the air outlet net cover together finally, the external air is neutralized, the wind noise is effectively reduced, and the noise reduction and silencing effects are achieved.

As a more specific scheme, the barrel comprises a front barrel and a rear barrel, the front barrel and the rear barrel are buckled to form the barrel, the air outlet mesh enclosure is buckled at the end part of the front barrel, the air inlet mesh enclosure is buckled at the end part of the rear barrel, and the air inlets are formed in the outer wall of the front barrel corresponding to the fan blades at intervals along the circumferential direction of the front barrel. The front barrel and the rear barrel form a barrel in a buckling mode, so that workers can disassemble the barrel to install fan blades conveniently, and the assembly efficiency of the desktop fan is improved.

More specifically, the supporting legs are L-shaped supporting legs, and the end parts of the supporting legs abutting against the desktop are sleeved with anti-skid rubber sleeves. The anti-skid rubber sleeve is sleeved on the supporting leg which is abutted against the desktop, so that the desktop fan can be stably placed on the desktop, and the practicability of the desktop fan is improved.

The utility model has the advantages as follows:

the utility model discloses, the desktop fan possesses two wind channels, and therefore when the flabellum was rotatory, the first wind channel of external part air route got into the barrel, and another part air route second wind channel gets into the barrel, at last jointly toward the outer discharge blow the user, in two wind channels of air route got into the barrel, only can follow the first wind channel with the external air of traditional fan and get into the barrel and lead to wind to make an uproar greatly and compare, the utility model discloses in external air got into the barrel through two wind channels, the net gape discharge toward the air-out screen panel at last jointly effectively reduces wind and makes an uproar to reach and fall and make an uproar, the silence effect.

Drawings

Fig. 1 is a schematic view of a desktop fan of the present invention.

Fig. 2 is another schematic view of the desktop fan according to the present invention.

Fig. 3 is a top view of the desktop fan of the present invention.

Fig. 4 is a sectional view a-a of fig. 3.

Fig. 5 is an exploded view of the desktop fan of the present invention.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

in an embodiment, as shown in fig. 1 to 5, a desktop fan includes a cylinder 1, fan blades 2, a motor, a circuit board, a storage battery, support legs 4, an air inlet mesh enclosure 5, and an air outlet mesh enclosure 6. The barrel 1 comprises a front barrel 11 and a rear barrel 12, the front barrel 11 and the rear barrel 12 are buckled to form the barrel 1 which is through up and down, and air inlets 7 are formed in the outer wall of the front barrel 11 at intervals along the circumferential direction of the outer wall.

The tip of barrel 11 in the front of the lock of air outlet screen panel 6, the tip of barrel 12 behind the lock of air inlet screen panel 5, air inlet screen panel 5 is provided with shielding cover 52 towards the installation cavity 51 that the sunken formation is used for installing motor and battery in barrel 1 in addition, and air inlet screen panel 5 corresponds the installation cavity 51 entrance.

Shelter from lid 52 and be provided with charging socket 8, shift knob 9 and the pilot lamp 10 that is used for showing the battery electric quantity, installation cavity 51 is arranged in to battery and motor, charging socket 8, shift knob 9, pilot lamp 10, battery and motor are connected with the circuit board electricity respectively.

The fan blade 2 is arranged in the barrel 1 and connected with a motor, the motor works to drive the fan blade 2 to rotate, the net openings of the air inlet mesh enclosure 5, the inner cavity of the barrel 1 and the net openings of the air outlet mesh enclosure 6 are communicated to form a first air channel 100, and the net openings of the air inlet 7, the inner cavity of the barrel 1 and the air outlet mesh enclosure 6 are communicated to form a second air channel 200.

The supporting legs 4 are L-shaped supporting legs 4, one ends of the supporting legs 4 are connected with the barrel 1 in a rotating mode, the other ends of the supporting legs 4 are abutted against the desktop, and anti-skid rubber sleeves 41 are sleeved at the end portions of the supporting legs 4 abutted against the desktop.

The working principle is as follows:

the first air path 100 is long, so that the wind noise generated when the external air passes through the first air path 100 is large, and the second air path 200 is short, so that the wind noise generated when the air passes through the second fan is small.

Because the desktop fan possesses two wind channels, therefore flabellum 2 is rotatory, the first wind channel 100 of external part air route gets into barrel 1, and another part air route second wind channel 200 gets into barrel 1, at last jointly toward the outer discharge blow the user, in two wind channels of air route get into barrel 1, can only follow first wind channel 100 with the external air of traditional fan and get into barrel 1 in lead to wind to make an uproar great to compare greatly, the utility model discloses in external air gets into barrel 1 through two wind channels, the net gape discharge toward air-out screen panel 6 jointly at last effectively reduces wind and makes an uproar to reach and fall makes an uproar, the silence effect.

Claims

1. The utility model provides a desktop fan, includes barrel, flabellum, motor and supporting legs, the barrel that the barrel link up for the front and back, in the barrel was arranged in to motor and flabellum, the motor drive flabellum was rotatory, the supporting legs sets up on the barrel with the rotation mode, and the one end of supporting legs supports and leans on the desktop, the other end bearing barrel of supporting legs, its characterized in that: the fan blade air inlet device is characterized by further comprising an air inlet mesh enclosure and an air outlet mesh enclosure, wherein the air inlet mesh enclosure is arranged at the rear end of the barrel, the air outlet mesh enclosure is arranged at the front end of the barrel, and air inlets are formed in the positions, close to the fan blades, of the outer wall of the barrel at intervals in the circumferential direction of the barrel.

2. The desk fan of claim 1, wherein: the air inlet screen panel is sunken towards the barrel and is formed the installation cavity that is used for installing motor and battery, and the air inlet screen panel corresponds the installation cavity entrance and is provided with shelters from the lid.

3. The desk fan of claim 2, wherein: still include battery and circuit board, installation intracavity is arranged in to motor and battery, shelter from the lid and be provided with charging socket, shift knob and the pilot lamp that is used for showing battery power, charging socket, shift knob, pilot lamp, battery and motor are connected with the circuit board electricity respectively.

4. The desk fan of claim 1, wherein: the net mouth of air inlet screen panel, barrel inner chamber and the net mouth of air-out screen panel intercommunication form first wind channel, the net mouth intercommunication of air intake, barrel inner chamber and air-out screen panel forms the second wind channel.

5. The desk fan of claim 1, wherein: the barrel comprises a front barrel and a rear barrel, the front barrel and the rear barrel are buckled to form the barrel, the air outlet mesh enclosure is buckled at the end part of the front barrel, the air inlet mesh enclosure is buckled at the end part of the rear barrel, and the air inlets are formed in the positions, corresponding to the fan blades, of the outer wall of the front barrel at intervals along the circumferential direction of the front barrel.

6. The desk fan of claim 1, wherein: the supporting legs are L-shaped supporting legs, and the end parts of the supporting legs leaning against the desktop are sleeved with anti-skidding rubber sleeves.