CN213064021U

CN213064021U - Hand-held small fan

Info

Publication number: CN213064021U
Application number: CN202021748117.5U
Authority: CN
Inventors: 谢刚
Original assignee: Onlitex Electronic Holding Ltd
Current assignee: Onlitex Electronic Holding Ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-27
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a hand-held small fan, which comprises a face shell, fan blades and a magnetic ring, the drain pan, the wire baffle, button and PCBA, the face-piece is connected with the drain pan and is constituteed the casing, one side that the drain pan is close to the face-piece is provided with the installation axle, the magnetosphere cup joints on the installation axle, the inside wall of flabellum is connected on the magnetosphere, PCBA is located the lower extreme of casing, be provided with the reference column on the face-piece, PCBA screw fixation is on the reference column, the lower extreme of casing still is provided with the battery, button elastic connection is on PCBA, the lateral wall that the button runs through the face-piece outwards protrudes, the wire baffle is installed in one side that the drain pan is close to the face-piece, the upper end and the drain pan joint of wire baffle, be connected with the electric wire between PCBA and the magnetosphere, the electric wire is located between wire baffle and the drain pan, the lid is installed to. The small handheld fan is stable in structure, the wind speed can be adjusted in three steps through the keys, the small handheld fan is convenient to mount and dismount, and the wind outlet cover can be replaced as desired.

Description

Hand-held small fan

Technical Field

The utility model relates to a technical field of fan especially relates to a handheld little fan.

Background

Fan refers to a tool for cooling by generating wind in hot days. An electric fan is a device which is driven by electricity to generate air flow, and a fan arranged in the electric fan is electrified and then rotated into natural wind to achieve the effect of cooling.

In hot summer, people inevitably meet when not having fan or air conditioner when going out, therefore handheld fan is produced soon, receives the favor of vast tourism fan and working clan, and these handheld fans' are small, and convenient to carry can all use no matter in the open air or other places that do not have the cooling device.

At present, the handheld fan is a fixed whole, the installation and the disassembly are inconvenient, and the air outlet cover can not be replaced according to the requirement.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: a small handheld fan is provided to solve the problems in the prior art.

To achieve the purpose, the utility model adopts the following technical proposal:

a hand-held small fan comprises a face shell, fan blades, a magnetic ring, a bottom shell, a wire baffle plate, keys and a PCBA, wherein the face shell is connected with the bottom shell to form a shell, an installation cavity is arranged at the upper end of the shell, the fan blades are positioned in the installation cavity, an installation shaft is arranged on one side of the bottom shell close to the face shell, the magnetic ring is sleeved on the installation shaft, the inner side wall of each fan blade is connected onto the magnetic ring, a connecting shaft is arranged at the rear end of each fan blade and inserted into the installation shaft, the PCBA is positioned at the lower end of the shell, a positioning column is arranged on the face shell, the PCBA is fixed on the positioning column through screws, batteries are further arranged at the lower end of the shell and are electrically connected with the PCBA, the keys are elastically connected onto the PCBA, the keys penetrate through the side wall of the face shell and protrude outwards, the wire baffle plate is installed on, the upper end of the wire baffle plate is connected with the bottom shell in a clamped mode, the wire baffle plate is connected to the lower end of the installation cavity, the PCBA and an electric wire are connected between the magnetic rings, the electric wire is located between the wire baffle plate and the bottom shell, the air outlet cover is installed at the upper end of the face shell, the outer side of the air outlet cover is provided with a limiting groove, the inner side of the face shell is provided with limiting strips, and the limiting strips are clamped in the limiting grooves.

As an optimal technical scheme, a clamping groove is formed in the edge of the bottom shell, a clamping hook is arranged on the edge of the face shell, and the clamping hook is clamped in the clamping groove.

As a preferred technical scheme, the improved structure comprises a base, wherein an installation groove is formed in the middle of the upper end of the base, and the lower end of the shell is inserted into the installation groove.

As a preferable technical solution, an indicator light is further mounted on the face housing, the indicator light is electrically connected with the PCBA, and the indicator light penetrates through the face housing.

As a preferred technical scheme, one side of casing is provided with the interface that charges, the interface that charges is connected to the battery.

The utility model has the advantages that: the utility model provides a small handheld fan, this small handheld fan's stable in structure, the wind speed can be carried out three grades by the button and adjust, and the installation is all convenient with the dismantlement, and the lid that goes out can be changed along with the preference.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic overall structure (curved surface type) of a small handheld fan according to an embodiment;

FIG. 2 is a schematic view of an overall structure of a small handheld fan according to an embodiment (straight-face type);

FIG. 3 is a cross-sectional view of a small handheld fan according to an embodiment;

fig. 4 is an exploded view of a small handheld fan according to an embodiment.

In fig. 1 to 4:

1. a face shell; 2. a fan blade; 3. a magnetic coil; 4. a bottom case; 5. a wire blocking plate; 6. pressing a key; 7. PCBA; 8. installing a shaft; 9. a battery; 10. an air outlet cover; 11. a limiting groove; 12. a limiting strip; 13. a card slot; 14. a hook is clamped; 15. a base; 16. mounting grooves; 17. an indicator light; 18. and a charging interface.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 4, in this embodiment, a handheld small fan includes a face casing 1, fan blades 2, a magnetic ring 3, a bottom casing 4, a wire blocking plate 5, a key 6, and a PCBA7, where the face casing 1 is connected with the bottom casing 4 to form a casing, an installation cavity is disposed at an upper end of the casing, the fan blades 2 are located in the installation cavity, an installation shaft 8 is disposed on one side of the bottom casing 4 close to the face casing 1, the magnetic ring 3 is sleeved on the installation shaft 8, an inner side wall of the fan blades 2 is connected to the magnetic ring 3, a connection shaft is disposed at a rear end of the fan blades 2, the connection shaft is inserted into the installation shaft 8, the PCBA7 is located at a lower end of the casing, a positioning column is disposed on the face casing 1, the PCBA7 is fixed to the positioning column by a screw, a battery 9 is further disposed at a lower end of the casing, and the battery, 6 elastic connection of button is in on the PCBA7, button 6 runs through the outside protrusion of lateral wall of face-piece 1, baffle plate 5 is installed drain pan 4 is close to one side of face-piece 1, baffle plate 5's upper end with drain pan 4 joint, baffle plate 5 is connected to the lower extreme of installation cavity, PCBA7 with be connected with the electric wire between the magnetosphere 3, the electric wire is located baffle plate 5 with between the drain pan 4, the lid 10 that goes out is installed to the upper end of face-piece 1, the outside of lid 10 that goes out is provided with spacing groove 11, the inboard of face-piece 1 is provided with spacing 12, spacing 12 joints are in spacing groove 11.

The key 6 is manually pressed, the PCBA7 and the panel shell 1 are fixed together by virtue of the positioning column, so that after the PCBA7 is subjected to force induction, electric quantity is transmitted to the magnetic ring 3 through the electric wire, the magnetic ring 3 controls the fan blades 2 to rotate, the PCBA7 controls the rotating speed and the switch of the fan blades 2 according to the number of times of pressing the key 6, and first-gear wind power is realized when the key 6 is pressed for the first time; when the key 6 is pressed for the second time, second-gear wind power is realized; when the key 6 is pressed for the third time, the third gear wind power is realized; when the key 6 is pressed down for the fourth time, the fan blades 2 stop rotating.

According to the preference of users, the air outlet cover 10 can be simply detached and replaced from the connection between the limiting groove 11 and the limiting strip 12, and the air outlet cover can be switched from a curved air outlet cover 10 or a straight air outlet cover 10.

The border of drain pan 4 is provided with draw-in groove 13, the border of face-piece 1 is provided with trip 14, trip 14 joint is in draw-in groove 13.

The small handheld fan further comprises a base 15, wherein an installation groove 16 is formed in the middle of the upper end of the base 15, and the lower end of the shell is inserted into the installation groove 16.

When the hand is tired or the wind needs to be stably blown in a place, the shell can be inserted into the base 15, and the wind can be blown by using the stability of the base 15.

An indicator light 17 is further mounted on the face shell 1, the indicator light 17 is electrically connected with the PCBA7, and the indicator light 17 penetrates through the face shell 1.

The red light of the indicator light 17 is normally on during charging, and the green light of the indicator light 17 is normally on after full charging.

One side of the shell is provided with a charging interface 18, and the charging interface 18 is connected to the battery 9.

Before use or after the battery 9 is discharged, the hand-held small fan needs to be charged, and the hand-held small fan is connected with a power supply through the charging interface 18 to charge the battery 9.

It should be noted that the above embodiments are only preferred embodiments of the present invention and the technical principles applied, and any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention.

Claims

1. A hand-held small fan is characterized by comprising a face shell, fan blades, a magnetic ring, a bottom shell, a wire baffle plate, keys and a PCBA (printed Circuit Board assembly), wherein the face shell is connected with the bottom shell to form a shell, an installation cavity is formed in the upper end of the shell, the fan blades are located in the installation cavity, an installation shaft is arranged on one side, close to the face shell, of the bottom shell, the magnetic ring is sleeved on the installation shaft, the inner side wall of each fan blade is connected onto the magnetic ring, a connecting shaft is arranged at the rear end of each fan blade and inserted into the installation shaft, the PCBA is located at the lower end of the shell, a positioning column is arranged on the face shell, the PCBA is fixed on the positioning column through screws, batteries are further arranged at the lower end of the shell and electrically connected with the PCBA, the keys are elastically connected onto the PCBA, the keys penetrate through the, the utility model discloses a face-piece, including the mounting cavity, the mounting cavity is connected with the drain pan, the baffle board is installed the drain pan is close to one side of face-piece, the upper end of baffle board with the drain pan joint, the baffle board is connected to the lower extreme of mounting cavity, PCBA with be connected with the electric wire between the magnetosphere, the electric wire is located the baffle board with between the drain pan, the lid that goes out is installed to the upper end of face-piece, the outside that goes out the lid is provided with the spacing groove, the inboard of face-piece is provided with spacing, spacing joint is in the spacing inslot.

2. The small handheld fan according to claim 1, wherein a slot is formed in an edge of the bottom shell, and a hook is formed in an edge of the face shell and is clamped in the slot.

3. The small handheld fan as claimed in claim 1, comprising a base, wherein a mounting groove is formed in the middle of the upper end of the base, and the lower end of the housing is inserted into the mounting groove.

4. A hand held small fan according to claim 1 wherein an indicator light is also mounted on the face housing, the indicator light being electrically connected to the PCBA, the indicator light penetrating the face housing.

5. The small handheld fan according to claim 1, wherein a charging interface is arranged on one side of the housing and connected to the battery.