CN219101649U

CN219101649U - Buckle mounting type miniature direct current fan

Info

Publication number: CN219101649U
Application number: CN202223540261.1U
Authority: CN
Inventors: 张祥利; 严越峰
Original assignee: Changzhou Weima Electronic Technology Co ltd
Current assignee: Changzhou Weima Electronic Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-30
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a buckle-mounted miniature direct current fan, relates to the technical field of miniature direct current fans, and aims to solve the problems that most of the traditional miniature direct current fans are fixed through external screws when being mounted with a notebook computer, and the mounting and the dismounting are inconvenient due to the fact that tools are needed to be used for dismounting and mounting. The miniature direct current fan comprises a miniature direct current fan body, a miniature direct current fan and a miniature direct current fan, wherein a mounting cavity is formed in the miniature direct current fan body, the mounting cavity and the miniature direct current fan body are of an integrated structure, a fan blade assembly is arranged in the mounting cavity, and a miniature direct current fan second body is arranged at the lower end of the miniature direct current fan body; further comprises: the pressing-down buckling columns are arranged around the first shell of the miniature direct-current fan, buckling plates are arranged on two sides of each pressing-down buckling column, and the buckling plates are connected with the pressing-down buckling columns in a hot melting mode; the U-shaped buckle frame is arranged outside the pressing buckle column, and a U-shaped buckle groove is formed in the U-shaped buckle frame.

Description

Buckle mounting type miniature direct current fan

Technical Field

The utility model relates to the technical field of miniature direct current fans, in particular to a buckle-mounted miniature direct current fan.

Background

The miniature DC fan is driven to rotate by converting electric energy into machinery through DC voltage and electromagnetic induction, and is generally called as DC fan.

However, most of the existing miniature direct current fans are fixed through external screws when being installed with a notebook computer, and tools are needed to be used for disassembly and installation, so that the assembly and the disassembly are inconvenient; therefore, the existing requirements are not met, and for this reason we propose a buckle-mounted micro-dc fan.

Disclosure of Invention

The utility model aims to provide a buckle-mounted miniature direct current fan, which solves the problems that the existing miniature direct current fan provided in the background art is fixed by external screws and inconvenient to mount and dismount due to the fact that tools are needed for dismantlement and mounting when the existing miniature direct current fan is mounted with a notebook computer.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a snap-fit miniature dc fan comprising: the miniature direct current fan comprises a miniature direct current fan first shell, wherein an installation cavity is formed in the miniature direct current fan first shell, the installation cavity and the miniature direct current fan first shell are of an integrated structure, a fan blade assembly is arranged in the installation cavity, and a miniature direct current fan second shell is arranged at the lower end of the miniature direct current fan first shell;

further comprises:

the pressing-down buckling columns are arranged around the first shell of the miniature direct-current fan, buckling plates are arranged on two sides of each pressing-down buckling column, and the buckling plates are connected with the pressing-down buckling columns in a hot melting mode;

the U-shaped buckle frame is arranged outside the pressing buckle column, a U-shaped buckle groove is formed in the U-shaped buckle frame, and the U-shaped buckle groove and the U-shaped buckle frame are of an integrated structure.

Preferably, the two side surfaces of the U-shaped buckle frame are provided with buckle plate limiting grooves, and the buckle plate limiting grooves and the U-shaped buckle frame are of an integrated structure.

Preferably, the lower extreme both sides of U type buckle frame all are provided with the fixed limit, and fixed limit and U type buckle frame hot melt are connected, the center department of fixed limit is provided with the fixed orifices.

Preferably, an air outlet opening is formed in one side surface of the first shell of the miniature direct-current fan, a central connecting frame is arranged in the air outlet opening, a fastener hole is formed in the front surface of the central connecting frame, and a thumb arc-shaped groove is formed in the upper surface of the first shell of the miniature direct-current fan.

Preferably, the front end of the pressing-down buckle column is provided with a single-head fastener, and the pressing-down buckle column is fixed with the first shell of the miniature direct-current fan through the single-head fastener.

Preferably, the opening part of installation cavity is provided with the protective cover, and protective cover and installation cavity threaded connection, the surface of protective cover is provided with ventilative groove, and ventilative groove and protective cover structure as an organic whole.

Preferably, the side surface of the first casing of the miniature direct current fan is provided with a protection clamping groove, the protection clamping groove and the first casing of the miniature direct current fan are of an integrated structure, a power connection wire is arranged in the protection clamping groove, one end of the power connection wire is connected with the fan blade assembly, and the first casing of the miniature direct current fan and the second casing of the miniature direct current fan are fixed through threaded fasteners.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the lower-pressure buckling columns are arranged on the periphery of the first shell of the miniature direct-current fan, when the miniature direct-current fan is installed, the lower-pressure buckling columns are respectively aligned with the U-shaped buckling grooves of the four U-shaped buckling frames, then the miniature direct-current fan is pressed downwards, buckling plates on two sides of the lower-pressure buckling columns are pressed and deformed under force until contacting with the buckling plate limiting grooves, and then rebound to the inside of the buckling plate limiting grooves, so that the lower-pressure buckling columns and the U-shaped buckling frames are fixed, and when the miniature direct-current fan is dismounted, only the buckling plates are needed to be pressed, and then the miniature direct-current fan is pulled upwards, so that compared with the existing screw fixing method, the buckle type installation is simple and convenient, and no external screw tool is needed.

2. Through setting up central link in the air-out opening inside, four buckle posts that push down utilize single-head fastener to be fixed with central link and miniature direct current fan first casing respectively, realize that the buckle post that pushes down can dismantle, after the buckle board damages, only need change push down the buckle post can, need not whole change, reduce replacement cost.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a right side view of a first housing of a micro DC fan according to the present utility model;

FIG. 3 is a schematic view of a U-shaped buckle frame according to the present utility model;

FIG. 4 is a schematic diagram of the front view of the center connector of the present utility model;

in the figure: 1. a miniature DC fan first housing; 2. a thumb arc groove; 3. a mounting cavity; 4. a protective cover; 5. a ventilation groove; 6. a fan blade assembly; 7. a power supply connection line; 8. a protective clamping groove; 9. pressing down the buckling column; 10. a buckle plate; 11. a U-shaped buckle frame; 12. a U-shaped buckle groove; 13. a threaded fastener; 14. a second housing of the miniature DC fan; 15. a single-headed fastener; 16. a central connecting frame; 17. an air outlet opening; 18. the clamping plate limiting groove; 19. fixing the edges; 20. a fixing hole; 21. fastener holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an embodiment of the present utility model is provided: a snap-fit miniature dc fan comprising: the miniature direct current fan comprises a miniature direct current fan first shell 1, wherein an installation cavity 3 is arranged in the miniature direct current fan first shell 1, the installation cavity 3 and the miniature direct current fan first shell 1 are of an integrated structure, a fan blade assembly 6 is arranged in the installation cavity 3, and a miniature direct current fan second shell 14 is arranged at the lower end of the miniature direct current fan first shell 1;

further comprises:

the pressing-down buckling columns 9 are arranged around the first shell 1 of the miniature direct-current fan, buckling plates 10 are arranged on two sides of the pressing-down buckling columns 9, and the buckling plates 10 are in hot melting connection with the pressing-down buckling columns 9;

the U-shaped buckle frame 11 is arranged outside the pressing buckle column 9, a U-shaped buckle groove 12 is formed in the U-shaped buckle frame 11, and the U-shaped buckle groove 12 and the U-shaped buckle frame 11 are of an integrated structure.

The pressing-down buckling columns 9 are respectively aligned with the U-shaped buckling grooves 12 of the four U-shaped buckling frames 11, then the miniature direct current fans are pressed downwards, buckling plates 10 on two sides of the pressing-down buckling columns 9 are pressed and deformed under force until the pressing-down buckling plates are in contact with the buckling plate limiting grooves 18, and then rebound to the inside of the buckling plate limiting grooves 18, so that the pressing-down buckling columns 9 and the U-shaped buckling frames 11 are fixed, and when the pressing-down buckling plates 10 are dismounted, only the miniature direct current fans are pulled upwards, and compared with the prior screw fixing, the clamping-type installation is simple and convenient without using external screw tools.

Referring to fig. 3, two side surfaces of the U-shaped buckle frame 11 are provided with buckle plate limiting grooves 18, and the buckle plate limiting grooves 18 and the U-shaped buckle frame 11 are integrated to face the buckle plate 10 to achieve a limiting effect.

Referring to fig. 3, two sides of the lower end of the U-shaped buckle frame 11 are provided with fixing edges 19, the fixing edges 19 are connected with the U-shaped buckle frame 11 by hot melting, a fixing hole 20 is formed in the center of the fixing edges 19, and the U-shaped buckle frame 11 is fixed with a notebook computer by using a bolt externally connected with the fixing hole 20.

Referring to fig. 1, 2 and 4, an air outlet opening 17 is formed on a side surface of a first housing 1 of the micro dc fan, a central connecting frame 16 is disposed in the air outlet opening 17, a fastening hole 21 is formed on a front surface of the central connecting frame 16, a thumb arc-shaped groove 2 is formed on an upper surface of the first housing 1 of the micro dc fan, and a pressing-down fastening post 9 is fixed to the central connecting frame 16.

Referring to fig. 1 and 2, the front end of the pressing buckle column 9 is provided with a single-head fastener 15, the pressing buckle column 9 is fixed with the first housing 1 of the micro direct current fan through the single-head fastener 15, and the four pressing buckle columns 9 are respectively fixed with the central connecting frame 16 and the first housing 1 of the micro direct current fan by utilizing the single-head fastener 15, so that the pressing buckle column is convenient to detach and replace, and the replacement cost after damage is reduced.

Referring to fig. 1, a protective cover 4 is disposed at an opening of the installation cavity 3, the protective cover 4 is in threaded connection with the installation cavity 3, a ventilation groove 5 is disposed on a surface of the protective cover 4, the ventilation groove 5 and the protective cover 4 are of an integral structure, and the detachable protective cover 4 is convenient for cleaning a fan blade assembly 6 inside the installation cavity 3.

Referring to fig. 1, a protection slot 8 is formed in a side surface of the first housing 1 of the micro dc fan, the protection slot 8 and the first housing 1 of the micro dc fan are integrally formed, a power connection wire 7 is disposed in the protection slot 8, one end of the power connection wire 7 is connected with the fan blade assembly 6, the first housing 1 of the micro dc fan and the second housing 14 of the micro dc fan are fixed by a threaded fastener 13, and the first housing 1 of the micro dc fan and the second housing 14 of the micro dc fan are convenient to detach for maintenance.

Working principle: during the use, install fan flabellum subassembly 6 inside installation cavity 3, fix through screw fastener 13 between miniature direct current fan first casing 1 and the miniature direct current fan second casing 14, four push down buckle post 9 utilize single-head fastener 15 to be fixed with central link 16 and miniature direct current fan first casing 1 respectively, and U type buckle frame 11 utilizes fixed orifices 20 external bolt of fixed limit 19 to be fixed with the notebook computer, when installing miniature direct current fan, will push down buckle post 9 aim at the U type buckle groove 12 of four U type buckle frames 11 respectively, then push down miniature direct current fan, buckle board 10 atress extrusion deformation of push down buckle post 9 both sides until with buckle board spacing groove 18 contact back, thereby realize that push down buckle post 9 and U type buckle frame 11 are fixed, during the dismantlement, only need press buckle board 10, then pull up miniature direct current fan can, buckle formula installation is for the fixed with screw for existing use, it is simple and convenient to use.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a miniature direct current fan of buckle installation formula, includes miniature direct current fan first casing (1), the inside of miniature direct current fan first casing (1) is provided with installation cavity (3), and installation cavity (3) and miniature direct current fan first casing (1) are integrated into one piece structure, the inside of installation cavity (3) is provided with fan blade subassembly (6), the lower extreme of miniature direct current fan first casing (1) is provided with miniature direct current fan second casing (14);

the method is characterized in that: further comprises:

the lower-pressure buckling columns (9) are arranged around the first shell (1) of the miniature direct-current fan, buckling plates (10) are arranged on two sides of each lower-pressure buckling column (9), and the buckling plates (10) are connected with the lower-pressure buckling columns (9) in a hot melting mode;

the U-shaped buckle frame (11) is arranged outside the pressing buckle column (9), a U-shaped buckle groove (12) is formed in the U-shaped buckle frame (11), and the U-shaped buckle groove (12) and the U-shaped buckle frame (11) are of an integrated structure.

2. The snap-fit miniature dc fan of claim 1, wherein: both side surfaces of U type buckle frame (11) all are provided with buckle board spacing groove (18), and buckle board spacing groove (18) and U type buckle frame (11) structure as an organic whole.

3. The snap-fit miniature dc fan of claim 1, wherein: the U-shaped buckle frame (11) is characterized in that fixing edges (19) are arranged on two sides of the lower end of the U-shaped buckle frame (11), the fixing edges (19) are connected with the U-shaped buckle frame (11) in a hot melting mode, and fixing holes (20) are formed in the centers of the fixing edges (19).

4. The snap-fit miniature dc fan of claim 1, wherein: an air outlet opening (17) is formed in one side surface of the miniature direct-current fan first shell (1), a center connecting frame (16) is arranged in the air outlet opening (17), a fastener hole (21) is formed in the front surface of the center connecting frame (16), and a thumb arc-shaped groove (2) is formed in the upper surface of the miniature direct-current fan first shell (1).

5. The snap-fit miniature dc fan of claim 1, wherein: the front end of the pressing-down buckling column (9) is provided with a single-head fastener (15), and the pressing-down buckling column (9) is fixed with the miniature direct-current fan first shell (1) through the single-head fastener (15).

6. The snap-fit miniature dc fan of claim 1, wherein: the opening part of installation cavity (3) is provided with protective cover (4), and protective cover (4) and installation cavity (3) threaded connection, the surface of protective cover (4) is provided with ventilative groove (5), and ventilative groove (5) and protective cover (4) structure as an organic whole.

7. The snap-fit miniature dc fan of claim 1, wherein: the novel miniature direct current fan comprises a miniature direct current fan body, and is characterized in that a protective clamping groove (8) is formed in the side surface of the miniature direct current fan body (1), the protective clamping groove (8) and the miniature direct current fan body (1) are of an integrated structure, a power connecting wire (7) is arranged in the protective clamping groove (8), one end of the power connecting wire (7) is connected with a fan blade assembly (6), and the miniature direct current fan body (1) and a miniature direct current fan body (14) are fixed through a threaded fastener (13).