CN104632713A - Improved fan wheel structure - Google Patents

Abstract

The invention relates to an improved fan wheel structure, comprising a ring body and a rotor, wherein the ring body is provided with two open sides and defines a space communicated with the open sides, the outer side of the ring body is integrally combined with a fan blade seat, a plurality of blades are formed on the peripheral side of the fan blade seat, the rotor comprises a hub and a shaft center, the shaft center is provided with a free end and a combining end extending from the free end and inserted into the hub, the hub is combined in the space and is combined with the ring body and the fan blade seat together.

Description

Improved fan wheel structure

technical field

The present invention relates to a fan wheel structure, in particular to a design in which a fan blade seat and its blades are injection-molded on the ring body and integrated with the rotor, so that a plurality of fan blades can be changed according to different combinations. Direction of diversion, thereby effectively achieving the cost-saving effect of fan wheel structure improvement.

Background technique

In recent years, as the integration of the internal circuits of the integrated circuit (Integrated Circuit, IC) chip continues to rise, the heat generated by the chip is also increasing. Therefore, when the personal computer is running, the integrated circuit chip with high integration IC chips such as central processing units or graphics chips will generate high heat energy, so in order to enable the above-mentioned IC chips to maintain normal operation for a long time, it is necessary to keep the IC chips at a better working temperature, so as to prevent the IC chips from being overheated and causing IC The performance of the chip is reduced or damaged. Therefore, a cooling device must be used to directly contact the surface of the electronic component to dissipate the heat generated on the electronic component to the outside through the cooling device, so as to ensure the normal operation and service life of the electronic component.

In the heat dissipation device, take the heat dissipation fan as an example, because the heat dissipation fan can quickly remove the heat absorbed by the heat dissipation fin group, so as to make the heat dissipation cycle effect good, so the heat dissipation fan has become one of the indispensable components.

1A and 1B, the fan wheel structure in the prior art includes a rotor 10 and a blade set 12, the rotor 10 has a hub 101 and an axis 103, and one end of the axis 103 is plugged into In the hub 101, the other end is accommodated in an opposite shaft tube (not shown in the figure), and the aforementioned fan blade set 12 has a plurality of blades 121, and the blades 121 are formed on the hub 121 in two ways. On the hub 101, the first method is to directly over-inject the fan blade set 12 on the hub 101 by over-injection molding, so that the entire fan blade set 12 and its blades 121 are covered The hub 101 constitutes the fan wheel structure, and the second way is to directly press the hub 101 into the formed blade set 12 and combine them together to form the fan wheel structure.

However, since the fan blades 12 on the existing fan wheel are roughly divided into a forward flow pattern (as shown in Figure 1A) and a reverse flow pattern (as shown in Figure 1B), two different molds are required for actual manufacturing. Realization: one of the molds is that the blades 121 of the fan blade group 12 are in a forward flow direction, and the other mold is that the blades 121 of the fan blade group 12 are in a reverse flow direction, so that no matter using any of the aforementioned two methods In this way, the blades 121 formed on the hub 101 of the fan blade set 12 must be made in a forward or reverse flow direction, and must be produced using two different molds, which cannot be realized by sharing a mold. , not only will cause the manufacturing process to be complicated, but also will increase the cost additionally.

The above has the following disadvantages in the prior art:

1. Increased costs;

2. The process is complicated.

Therefore, how to solve the above-mentioned existing problems and deficiencies is the direction that the inventors and related manufacturers engaged in this field eagerly want to study and improve.

Contents of the invention

Therefore, in order to effectively solve the above-mentioned problems, the main purpose of the present invention is to provide an improved fan wheel structure that is designed to effectively save costs by molding a fan blade seat and its blades on the ring body and integrating it with the rotor. .

The secondary purpose of the present invention is to provide an improved fan wheel structure with the effect of changing the direction of flow of multiple blades according to the combination.

In order to achieve the above purpose, the present invention proposes an improved fan wheel structure, including: a ring body, which has two open sides and defines a space connected to the open sides, the outer side of the ring body is integrally combined with a fan blade seat, the fan wheel A plurality of blades are formed on the peripheral side of the blade seat; and a rotor includes a hub and an axle, the axle has a free end and a coupling end extending from the free end is inserted in the hub, and the aforementioned hub is engaged in In the space, it is combined with the ring body and the fan blade seat.

The fan blade seat is formed by injection molding on the outside of the ring body.

At least one lip part is protrudingly provided on the outer side of the ring body, which is used for the injection bonding of the fan blade seat.

The wheel hub includes a top and a side portion, the top has a base and a plurality of support members extend to the top along the periphery of the base, and an accommodating space is defined between the top and the side.

An opening is formed between each of the plurality of support members, communicating with the accommodating space.

The base has a hole, which is formed in the center of the base, and is fitted and fixed with an opposite axle seat.

The fan blade base and its blades of the present invention are molded on the ring body and integrated with the rotor, so that the direction of flow of the blades can be changed according to the combination method, and the cost can be effectively saved. Effect.

Description of drawings

FIG. 1A is a three-dimensional schematic diagram of an existing fan wheel structure;

FIG. 1B is another perspective view of the existing fan wheel structure;

Figure 2 is an exploded schematic diagram of a preferred embodiment of the present invention;

Fig. 3 is a three-dimensional schematic view of the fan blade seat and its blades projected on the outside of the ring body of the present invention;

4 is a three-dimensional schematic view of the rotor of the present invention;

FIG. 5A is a combined perspective view of a preferred embodiment of the present invention;

FIG. 5B is another combined perspective view of a preferred embodiment of the present invention.

Symbol Description

Ring…2

Hole...4111

open side...21

Support...4113

space...23

Opening...4114

Lip parts…25

Side…412

Fan blade seat…3

Accommodating space...414

Blades…31

Axis...43

Rotor…4

Free end...431

Hub…41

Binding end...432

top...411

Axis seat…45

Base...4110

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

The above-mentioned purpose of the present invention and its structural and functional characteristics will be described according to the preferred embodiments of the accompanying drawings.

Please also refer to Figures 2, 3, 4, 5A, and 5B. The present invention is an improved fan wheel structure. In a preferred embodiment of the present invention, it includes a ring body 2 and a rotor 4. The aforementioned ring body 2 has two open sides 21 and defines a space 23, the space 23 is connected to the open side 21, and the outer side of the ring body 2 is integrally combined with a fan seat 3, and the peripheral side of the fan seat 3 is formed with A plurality of blades 31, these blades 31 are arranged equidistantly from each other along the peripheral side of the fan blade seat 3, that is, the aforementioned fan blade seat 3 itself and its plurality of blades 31 are directly wrapped on the ring body by injection molding. 2, the outer side is molded so that the ring body 2 is integrated with the blade seat 3 and its blades 31.

The rotor 4 includes a hub 41 and an axle 43, the axle 43 has a free end 431 and a coupling end 432 extending from the free end 431, the coupling end 432 is inserted in the hub 41, and the free end 431 is accommodated in the opposite shaft tube (not shown in the figure), and the hub 41 is engaged in the space 23 of the ring body 2, and is combined with the ring body 2 and the blade seat 3, wherein the hub 41 The joint with the space 23 is combined by means of riveting, fitting, clamping, screwing or welding, and in this preferred embodiment, the way of riveting is used for illustration, but it is not limited thereto.

In addition, because the ring body 2 of the present invention has the design relationship that the aforementioned two open sides 21 communicate with the space 23, the combination of the rotor 4 and the ring body 2 has the following two combinations:

The first combination method is that the hub 41 of the aforementioned rotor 4 penetrates through one open side 21 of the ring body 2 and moves in the space 23 toward the opposite open side 21 until the aforementioned hub 41 covers the space of the ring body 2 23 and riveted together to form the fan wheel, and the blades 31 on the aforementioned fan wheel at this time are in a forward flow direction (as referring to Figure 5A);

The only difference between the second combination method and the first combination method is that the hub 41 of the rotor 4 penetrates from the other open side 21 of the ring body 2 until the hub 41 is wrapped in the space 23 of the ring body 2 and Riveted together to form the fan wheel, and at this time, the blades 31 on the fan wheel are in a state of reverse flow diversion (see FIG. 5B ).

Please also refer to Figures 2 to 5B, the outer side of the ring body 2 is protrudingly provided with at least one lip part 25, and the lip part 25 is used for the injection and bonding of the fan blade seat 3; and the aforementioned hub 41 includes a top 411 and a side portion 412, the aforementioned side portion 412 extends vertically along the periphery of the top 411, and jointly defines an accommodating space 414, in short, it can also be said that the accommodating space is defined between the top 411 and the side portion 412 Space 414; the aforementioned top 411 has a base 4110 and a plurality of support members 4113, these support members 4113 are extended to the top 411 along the periphery of the base 4110, and each support member 4113 forms a gap between each other Opening 4114, the opening 4114 communicates with the accommodating space 414, in order to assist heat dissipation, for example, when the rotor 4 is rotating, the shaft center 43 in it will generate heat due to frictional heat, at this time the aforementioned heat can also be Rapidly dissipate to the outside through the aforementioned opening 4114 to effectively achieve the effect of auxiliary heat dissipation.

The aforementioned base 4110 has a hole 4111, which is formed in the center of the base 4110, and is fitted and fixed with an opposite shaft center seat 45, and the aforementioned shaft center seat 45 is used for inserting the shaft center 43. Suppose, in other words, that is to say, the joint end 432 of the shaft 43 is plugged into the shaft seat 45 where the base 4110 of the hub 41 is embedded.

Therefore, the fan blade base 3 and its blades 31 of the present invention are injection-molded on the lip part 25 of the ring body 2 and riveted integrally with the rotor 4, so that on the one hand, only one mold is required for manufacture. (not shown in the figure) just can realize that the vane 31 that is combined on the rotor 4 is forward and reverse direction flow pattern, and then effectively reach cost saving, on the other hand then can be different according to the combination mode of rotor 4 and ring body 2 , the person who changes the effect of the guide direction of these blades 31.

As mentioned above, the present invention is an improved fan wheel structure, which has the following advantages:

1. Cost saving;

2. It has the effect of changing the flow direction of multiple blades according to the combination of the rotor and the ring body.

Although the present invention is disclosed above in terms of implementation, it is not intended to limit the present invention. Any person familiar with the art may make various modifications and modifications without departing from the spirit and scope of the present invention. Therefore, this The scope of protection of the invention should be determined by the claims.

Claims (6)

1. An improved fan wheel structure, including: A ring body having two open sides and defining a space communicating with the open sides, the outer side of the ring body is integrally combined with a fan blade seat, and a plurality of blades are formed on the peripheral side of the fan blade seat; and A rotor, including a hub and a shaft, the shaft has a free end and a coupling end extending from the free end is inserted in the hub, the aforementioned hub is engaged in the space, and the ring body and the blade seat combine together. 2. The improved structure of the fan wheel according to claim 1, wherein the fan blade seat is formed by injection molding on the outer side of the ring body. 3. The improved structure of the fan wheel according to claim 2, wherein at least one lip part protrudes from the outer side of the ring body for injection bonding of the fan blade seat. 4. The structural improvement of the fan wheel according to claim 1, wherein the hub comprises a top and a side portion, the top has a base and a plurality of support members extending along the periphery of the base to the top, and the top An accommodating space is defined with the side portion. 5 . The improved fan wheel structure as claimed in claim 4 , wherein each of the plurality of support members forms an opening between each other and communicates with the accommodating space. 6 . 6 . The improved structure of the fan wheel as claimed in claim 4 , wherein the base has a hole formed in the center of the base, and is fitted and fixed with an opposite shaft seat. 7 .