CN217270933U

CN217270933U - Heat radiation fan with combined plastic blade and metal blade

Info

Publication number: CN217270933U
Application number: CN202220805534.1U
Authority: CN
Inventors: 廖芷慧; 刘美琴
Original assignee: Kunshan Lianyuan Electronic Technology Co ltd
Current assignee: Kunshan Lianyuan Electronic Technology Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-08-23
Anticipated expiration: 2032-04-08

Abstract

The utility model discloses a radiator fan combining plastic blades and metal blades, belonging to the technical field of radiator fans, which comprises metal blades and plastic blades, wherein the top ends of the metal blades are respectively bent with a first buckle and a second buckle, the joint of the plastic blades and the metal blades is provided with a joint part, the joint part wraps the first buckle and the second buckle, the bottom end of the joint part is provided with a chamfer, the inner side of the plastic blades is provided with a motor shell, the center of the surface of the motor shell is fixedly connected with a rotating shaft, which can realize that the metal blades can ensure the stability of the metal blades in the plastic by the left and right bending mode of the first buckle and the second buckle, the joint part is arranged at the joint of the plastic blades and the metal blades, the metal blades are wrapped by the joint part, so that the radiator fan is lighter in weight, in addition, the mode can be used for manufacturing more blades and improving the air quantity.

Description

Heat radiation fan with combined plastic blade and metal blade

Technical Field

The utility model relates to a radiator fan technical field, more specifically say, relate to radiator fan that plastic flabellum and metal flabellum combined together.

Background

The technical and performance aspects of cooling fans have reached a fully mature stage and new technologies are continuously emerging. The specification and size of the fan are 8mm to 280mm, the voltage is 5V, 12V, 24V, 48V, 110V, 220V and 380V, and the shape is square, round, olive-shaped and the like. The working principle of the cooling fan is realized according to energy conversion, namely: electric → electromagnetic → mechanical → kinetic energy. The circuit principle is generally divided into a plurality of forms, and the performances of the fans can be different due to different circuits.

However, the main body of the existing heat dissipation fan is made of metal, so that the existing heat dissipation fan is heavy in weight and consumes more energy, and the existing heat dissipation fan cannot be assembled with more blades, so that the air volume is small, and therefore the heat dissipation fan with the combination of the plastic fan blades and the metal fan blades is provided to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a radiator fan that plastic flabellum and metal flabellum combined together, it can realize that metal vane controls the mode of bending through first buckle and second buckle and can guarantee the stability of metal vane's fixing in the plastic, and the place of plastic vane and metal vane handing-over is equipped with the joint portion, lives metal vane parcel through the joint portion, makes radiator fan totality lighter in weight, and more blades can be done to this kind of mode moreover, improve the amount of wind.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

Plastic flabellum and metal flabellum combined together's radiator fan, including metal blade and plastic blade, metal blade top is buckled respectively has first buckle and second buckle, plastic blade and metal blade combination department are equipped with the joint portion, and first buckle of joint portion cladding and second buckle, the joint portion bottom is provided with the chamfer, the motor shell is installed to plastic blade inboard, motor shell surface center department fixedly connected with pivot.

Furthermore, the metal blades are provided with a plurality of metal blades which are distributed in an annular array manner.

Furthermore, first buckle all is the angle setting with the second buckle, and crisscross setting between first buckle and the second buckle.

Furthermore, the combining parts and the plastic blades are integrally formed, the combining parts are annularly provided with a plurality of combining parts, and the combining parts correspond to the metal blades one to one.

Further, the inboard edge integrated into one piece of plastic blade has the engaging lug, and the engaging lug is equipped with a plurality ofly, motor shell surface edge has seted up the mounting hole, the mounting hole is equipped with a plurality ofly, and is a plurality of the mounting hole is with a plurality of the engaging lug one-to-one.

Furthermore, a plurality of heat dissipation holes are formed between the rotating shaft and the mounting hole.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

this scheme makes radiator fan is lighter in weight as a whole, and this kind of mode can do more blades moreover, improves the amount of wind.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic structural view at another viewing angle of the present invention;

FIG. 3 is a schematic structural view of a metal blade according to the present invention;

FIG. 4 is a schematic view of the plastic blade of the present invention;

fig. 5 is an enlarged schematic view of part a of the present invention;

FIG. 6 is a schematic structural view of the plastic fan blade of the present invention at another viewing angle;

fig. 7 is a schematic structural view of the motor case of the present invention;

fig. 8 is a schematic structural view of the motor housing according to another view angle of the present invention.

The numbering in the figures illustrates:

a metal blade; 101. a first buckle; 102. a second buckle;

plastic blades; 201. a bonding section; 202. connecting lugs;

a motor housing; 301. a rotating shaft; 302. mounting holes; 303. and (4) heat dissipation holes.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Example (b):

referring to fig. 1-8, the heat dissipation fan combining the plastic blade and the metal blade includes a metal blade 1 and a plastic blade 2, a first buckle 101 and a second buckle 102 are respectively bent at the top end of the metal blade 1, a joint 201 is disposed at a joint of the plastic blade 2 and the metal blade 1, the joint 201 wraps the first buckle 101 and the second buckle 102, a chamfer is disposed at the bottom end of the joint 201, a motor housing 3 is mounted at the inner side of the plastic blade 2, and a rotating shaft 301 is fixedly connected to the center of the surface of the motor housing 3.

Referring to fig. 1 and 2, the plurality of metal blades 1 are arranged, and the plurality of metal blades 1 are distributed in an annular array manner, so that the air volume can be effectively increased by assembling more metal blades 1.

Referring to fig. 3, the first buckle 101 and the second buckle 102 are both disposed at an angle, and the first buckle 101 and the second buckle 102 are disposed in a staggered manner, so that the metal blade 1 can be stably held in the plastic by the left-right bending manner of the first buckle 101 and the second buckle 102.

Referring to fig. 1 and 5, the combining portions 201 are integrally formed with the plastic blades 2, the combining portions 201 are annularly provided in a plurality, the combining portions 201 correspond to the metal blades 1 one by one, and the combining portions 201 are provided to correspond to the metal blades 1, so that the number of the metal blades 1 can be increased.

Referring to fig. 6 and 7, the inner side edge of the plastic blade 2 is integrally formed with the connecting lug 202, the connecting lug 202 is provided with a plurality of connecting lugs, the edge of the surface of the motor casing 3 is provided with a plurality of mounting holes 302, the mounting holes 302 are in one-to-one correspondence with the connecting lugs 202, and the motor casing 3 is conveniently assembled on the inner side of the plastic blade 2.

Referring to fig. 6 and 7, a plurality of heat dissipation holes 303 are formed between the rotating shaft 301 and the mounting hole 302, and the plurality of heat dissipation holes 303 are formed in the motor housing 3, so that the heat dissipation of the motor is facilitated.

When in use: plastic blade 2 and metal blade 1 are the proportional relation, the mode that metal blade 1 was fixed in plastic blade 2 is realized through insert-molding mode, for guaranteeing its firm stability in the plastic, metal blade 1 can guarantee the stability of metal blade 1's solid fixed holding in the plastic through this kind of left and right sides bending mode of first buckle 101 and second buckle 102, the place of plastic blade 2 and metal blade 1 handing-over is equipped with joint portion 201, wrap up metal blade 1 through joint portion 201, in addition, the bottom plastic area chamfer of joint portion 201 of metal blade 1 and plastic blade 2 joint portion, convenient manufacturing process like this.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. Plastic fan blade and metal fan blade combined heat dissipation fan, its characterized in that: including metal blade (1) and plastic blade (2), metal blade (1) top is buckled respectively and is had first buckle (101) and second buckle (102), plastic blade (2) are equipped with joint portion (201) with metal blade (1) combination department, and joint portion (201) cladding first buckle (101) and second buckle (102), joint portion (201) bottom is provided with the chamfer, motor shell (3) are installed to plastic blade (2) inboard, motor shell (3) surperficial center department fixedly connected with pivot (301).

2. The heat dissipation fan of claim 1, wherein the plastic blades and the metal blades are combined together, and the heat dissipation fan further comprises: the metal blades (1) are arranged in a plurality, and the metal blades (1) are distributed in an annular array mode.

3. The heat dissipation fan of claim 1, wherein the plastic blades and the metal blades are combined together, and the heat dissipation fan further comprises: the first buckle (101) and the second buckle (102) are arranged at an angle, and the first buckle (101) and the second buckle (102) are arranged in a staggered mode.

4. The heat dissipation fan of claim 1, wherein the plastic blades and the metal blades are combined together, and the heat dissipation fan further comprises: the combined part (201) and the plastic blade (2) are integrally formed, the combined part (201) is annularly provided with a plurality of combined parts, and the combined parts (201) correspond to the metal blades (1) one by one.

5. The heat dissipation fan of claim 1, wherein the plastic blades and the metal blades are combined together, and the heat dissipation fan further comprises: plastic blade (2) inboard edge integrated into one piece has engaging lug (202), and engaging lug (202) are equipped with a plurality ofly, mounting hole (302) have been seted up to motor shell (3) surface edge, mounting hole (302) are equipped with a plurality ofly, and a plurality of mounting hole (302) and a plurality of engaging lug (202) one-to-one.

6. The heat dissipation fan of claim 5, wherein the plastic blades and the metal blades are combined together, and the heat dissipation fan further comprises: heat dissipation holes (303) are formed between the rotating shaft (301) and the mounting holes (302), and a plurality of heat dissipation holes (303) are formed.