CN214617145U

CN214617145U - Thin fan for electronic product

Info

Publication number: CN214617145U
Application number: CN202120487459.4U
Authority: CN
Inventors: 何克锋; 李龙
Original assignee: Kunshan Ping Tai Electronic Co ltd
Current assignee: Kunshan Ping Tai Electronic Co ltd
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-11-05
Anticipated expiration: 2031-03-08

Abstract

The utility model discloses a slim fan for electronic product, include: the impeller comprises an upper cover plate, a metal base plate and an impeller positioned between the upper cover plate and the metal base plate, wherein a positioning cylinder is arranged at the center of the metal base plate, the impeller further comprises a hub with a shaft core rotor part at the bottom and a plurality of blades which are arranged on the outer side wall of the hub and distributed at intervals, and the shaft core rotor part of the impeller is connected with the positioning cylinder of the metal base plate in a rotating fit manner; a reinforcing rib is arranged between every two adjacent strip-shaped through holes, the strip-shaped through holes cover a plastic rubber plate layer, and a plurality of convex parts protruding outwards are arranged on the surface of the plastic rubber plate layer opposite to the impeller at intervals; a plurality of pairs of arc-shaped supporting strips are arranged on the inner side wall of the strip-shaped through hole of the metal bottom plate at intervals, and each pair of 2 arc-shaped supporting strips are arranged in opposite directions. The utility model discloses a slim fan for electronic product both reduced the whole weight of axle center fan, also improved the bonding strength of metal soleplate and plastic sheet layer to the reliability and the life of fan have been improved.

Description

Thin fan for electronic product

Technical Field

The utility model relates to a slim fan for electronic product belongs to the electronic product heat dissipation field.

Background

As people pay more attention to quality and taste of life, the pursuit of science and technology is more perfect, and portable and trendy electronic devices such as notebook computers tend to be light, thin and exquisite. The heat dissipation fan is an important heat dissipation module for computer products (especially notebook computers), because the temperature directly affects the operating performance, stability and service life of the CPU, and the structural design of the heat dissipation fan relatively changes with the design development trend of computer product form.

Disclosure of Invention

The utility model aims at providing a slim fan for electronic product, this a slim fan for electronic product both reduced the whole weight of axle center fan, also improved the joint strength of metal soleplate and plastic sheet layer to the reliability and the life of fan have been improved.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a thin fan for an electronic product, comprising: the impeller comprises an upper cover plate, a metal base plate and an impeller positioned between the upper cover plate and the metal base plate, wherein a side wall plate is arranged at the edge of the metal base plate, an air outlet is formed in one side of the side wall plate, an upper air inlet is formed in the upper cover plate, a positioning barrel is arranged in the center of the metal base plate, the impeller further comprises a hub with a shaft core rotor part at the bottom and a plurality of blades which are arranged on the outer side wall of the hub at intervals, and the shaft core rotor part of the impeller is connected with the positioning barrel of the metal base plate in a rotating fit manner;

the metal bottom plate is provided with a plurality of strip-shaped through holes at intervals along the circumferential direction on the periphery of the positioning cylinder, a reinforcing rib is arranged between every two adjacent strip-shaped through holes, the strip-shaped through holes cover a plastic rubber plate layer, and a plurality of convex parts protruding outwards are arranged on the surface of the plastic rubber plate layer opposite to the impeller at intervals; the metal soleplate's bar through-hole inside wall is provided with a plurality of pairs of arc branches at interval, and every 2 arc branches are in setting up in opposite directions in every pair of arc branch, and this arc branch embedding in the lateral wall of plastic sheet layer.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the upper cover plate and the side wall plate are connected in a matched manner through a plurality of pairs of bolts and jacks.

2. In the above scheme, the latch is located on the side wall plate.

3. In the above scheme, the jack is located on the upper cover plate.

Because of the application of the technical scheme, compared with the prior art, the utility model have following advantage and effect:

1. the utility model discloses a slim fan for electronic product, its metal bottom plate are located a location section of thick bamboo periphery and open along circumference interval and have a plurality of bar through-hole, and are adjacent have a strengthening rib strip between the bar through-hole, the bar through-hole covers a plastic board layer, and this plastic board layer is provided with the outside bellied bellying of a plurality of with impeller surperficial interval in opposite directions, has both reduced the whole weight of axle center fan, has also reduced gaseous noise that produces along radial quilt discharge impeller from going into the wind gap along the axial again under the pressure differential to bring the travelling comfort for the user.

2. The utility model discloses a slim fan for electronic product, the bar through-hole inside wall interval of its metal bottom plate is provided with a plurality of pairs of arc branches, and every 2 arc branches are setting in opposite directions in every pair of arc branches, and this arc branch embedding in the lateral wall of plastic sheet layer, both reduced the whole weight of axle center fan, also improved the joint strength of metal bottom plate and plastic sheet layer to the reliability and the life of fan have been improved.

Drawings

Fig. 1 is a schematic top view of a thin fan for electronic products according to the present invention;

fig. 2 is a schematic view of the thin fan of the present invention;

FIG. 3 is a schematic view of a partial structure of the thin fan of the present invention;

FIG. 4 is an exploded view of the thin fan of the present invention;

fig. 5 is an enlarged schematic view of a portion a of fig. 4.

In the above drawings: 1. an upper cover plate; 2. a metal base plate; 3. an impeller; 31. a hub; 32. a blade; 301. a shaft core rotor portion; 4. a side wall panel; 5. an air outlet; 6. an upper air inlet; 7. a positioning cylinder; 8. a strip-shaped through hole; 9. reinforcing ribs; 10. a plastic sheet layer; 11. a boss portion; 12. arc-shaped branch bars; 141. a bolt; 142. and (4) inserting the jack.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the patent; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

Example 1: a thin fan for an electronic product, comprising: the impeller comprises an upper cover plate 1, a metal base plate 2 and an impeller 3 positioned between the upper cover plate 1 and the metal base plate 2, wherein the edge of the metal base plate 2 is provided with a side wall plate 4, one side of the side wall plate 4 is provided with an air outlet 5, the upper cover plate 1 is provided with an upper air inlet 6, the center of the metal base plate 2 is provided with a positioning cylinder 7, the impeller 3 further comprises a hub 31 with a shaft core rotor part 301 at the bottom and a plurality of blades 32 arranged on the outer side wall of the hub 31 at intervals, and the shaft core rotor part 301 of the impeller 3 is connected with the positioning cylinder 7 of the metal base plate 2 in a rotating fit manner;

a plurality of strip-shaped through holes 8 are formed in the metal base plate 2 at the periphery of the positioning cylinder 7 at intervals along the circumferential direction, a reinforcing rib 9 is arranged between every two adjacent strip-shaped through holes 8, the strip-shaped through holes 8 cover a plastic plate layer 10, and a plurality of outwards-convex protrusions 11 are arranged on the surface of the plastic plate layer 10 opposite to the impeller 3 at intervals; a plurality of pairs of arc-shaped supporting strips 12 are arranged on the inner side wall of the strip-shaped through hole 8 of the metal bottom plate 2 at intervals, 2 arc-shaped supporting strips 12 in each pair of arc-shaped supporting strips 12 are arranged in opposite directions, and the arc-shaped supporting strips 12 are embedded into the side wall of the plastic plate layer 10.

The upper cover plate 1 and the side wall plate 4 are connected by a plurality of pairs of pins 141 and insertion holes 142.

Example 2: a thin fan for an electronic product, comprising: the impeller comprises an upper cover plate 1, a metal base plate 2 and an impeller 3 positioned between the upper cover plate 1 and the metal base plate 2, wherein the edge of the metal base plate 2 is provided with a side wall plate 4, one side of the side wall plate 4 is provided with an air outlet 5, the upper cover plate 1 is provided with an upper air inlet 6, the center of the metal base plate 2 is provided with a positioning cylinder 7, the impeller 3 further comprises a hub 31 with a shaft core rotor part 301 at the bottom and a plurality of blades 32 arranged on the outer side wall of the hub 31 at intervals, and the shaft core rotor part 301 of the impeller 3 is connected with the positioning cylinder 7 of the metal base plate 2 in a rotating fit manner;

The latch 141 is located on the sidewall plate 4, and the insertion hole 142 is located on the upper cover plate 1.

When the thin fan for the electronic product is adopted, the metal bottom plate is positioned on the periphery of the positioning cylinder and is provided with a plurality of strip-shaped through holes at intervals along the circumferential direction, a reinforcing rib is arranged between every two adjacent strip-shaped through holes, the strip-shaped through holes cover a plastic plate layer, and a plurality of convex parts which are convex outwards are arranged on the surface of the plastic plate layer, which is opposite to the impeller, at intervals, so that the whole weight of the axial fan is reduced, and the noise generated when gas enters the impeller from an air inlet along the axial direction and then is discharged out of the impeller along the radial direction under the pressure difference is also reduced, thereby bringing the comfort to users; in addition, a plurality of pairs of arc-shaped branches are arranged on the inner side wall of the strip-shaped through hole of the metal base plate at intervals, 2 arc-shaped branches in each pair of arc-shaped branches are oppositely arranged, the arc-shaped branches are embedded into the side wall of the plastic plate layer, the overall weight of the axis fan is reduced, the bonding strength of the metal base plate and the plastic plate layer is also improved, and therefore the reliability and the service life of the fan are improved.

The above embodiments are merely illustrative of the technical concepts and features of the present invention, and are intended to enable one skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present patent shall be covered by the protection scope of the present patent.

Claims

1. A thin fan for electronic products, comprising: the method comprises the following steps: the impeller comprises an upper cover plate (1), a metal base plate (2) and an impeller (3) positioned between the upper cover plate (1) and the metal base plate (2), wherein a side wall plate (4) is arranged at the edge of the metal base plate (2), an air outlet (5) is formed in one side of the side wall plate (4), an upper air inlet (6) is formed in the upper cover plate (1), a positioning barrel (7) is arranged at the center of the metal base plate (2), the impeller (3) further comprises a hub (31) with a shaft core rotor part (301) at the bottom and a plurality of blades (32) arranged on the outer side wall of the hub (31) at intervals, and the shaft core rotor part (301) of the impeller (3) is connected with the positioning barrel (7) of the metal base plate (2) in a rotating fit manner;

the metal bottom plate (2) is provided with a plurality of strip-shaped through holes (8) at intervals along the circumferential direction at the periphery of the positioning cylinder (7), a reinforcing rib (9) is arranged between every two adjacent strip-shaped through holes (8), the strip-shaped through holes (8) cover a plastic plate layer (10), and a plurality of outwards-convex protrusions (11) are arranged at intervals on the surface of the plastic plate layer (10) opposite to the impeller (3); the strip through hole (8) inside wall of metal bottom plate (2) is provided with a plurality of pairs of arc branches (12) at interval, and every 2 arc branches (12) are in opposite directions setting in every pair of arc branches (12), and this arc branch (12) imbeds in the lateral wall of plastic sheet layer (10).

2. The thin fan for electronic products as claimed in claim 1, wherein: the upper cover plate (1) is connected with the side wall plate (4) through a plurality of pairs of bolts (141) and jacks (142) in a matched mode.

3. The thin fan for electronic products as claimed in claim 2, wherein: the bolt (141) is positioned on the side wall plate (4).

4. The thin fan for electronic products as claimed in claim 2, wherein: the jack (142) is positioned on the upper cover plate (1).