CN201250797Y

CN201250797Y - Improved fan

Info

Publication number: CN201250797Y
Application number: CNU2008201312072U
Authority: CN
Inventors: 蔡惠玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-21
Filing date: 2008-07-21
Publication date: 2009-06-03
Anticipated expiration: 2018-07-21

Abstract

The utility model relates to an improved fan, in particular to a fan capable of enhancing wind intensity through strengthening the airflow guide function of fan blades. The center of a hub of the improved fan is provided with a rotating shaft; the outer side of the hub is encircled by connecting parts which are provided with a plurality of sweptback fan blades extending radially and obliquely outward; the outer sides of the fan blades of the connecting parts are respectively connected with a plurality of arc wing panels with big areas; the connecting parts can be provided with a plurality of supporting arms encircling the outer side of the hub, and the outer sides of supporting arms are connected with ring bodies on which the plurality of arc wing panels are arranged equidistantly, i.e. the outer side of the hub of the improved fan is additionally provided with arc wing panels through the connecting parts, and the arc wing panels are symmetrically connected to the outer sides of the connecting parts. The improved fan can enlarge air and wind guiding during rotation, reduce noise and enhance the fanning intensity.

Description

The structure-improved of fan

Technical field

The utility model relates to a kind of fan, particularly a kind of structure-improved of fan.

Background technique

Continuous differentiation, progress, with rapid changepl. never-ending changes and improvements along with high-tech product, many electronics, electric product practical effect are more and more progressive, function is also more and more, the electronic component of relative electronics, electric product inside, electrical equipment etc., function is also more and more diversified, the heat energy that is shed when running is also more and more, must utilize more fan to quicken thermolysis; The main frame of at present most popular on the market double-core (two CPU) formula computer for example, its heat energy that distributes is also more, stronger, therefore must on main frame, install more fan, dispel the heat with secondary master, avoid heat energy to hoard in main frame inside, but the fan of the many more heat transmissions of installing, wire configuration is also more complicated thereupon, power consumption is also many more simultaneously, the hot gas that heat energy is many more, main frame is outside that row looses is diffusion towards periphery also, cause the temperature variation of surrounding enviroment also big more, make the user of main frame periphery experience the invasion of hot gas easily.

And be used at present on electronics, the electric product, carry out the fan A (seeing also shown in Figure 6) that auxiliary heat dissipation is used, its flabellum A1 is the extension of flat outward by center hub A2, make the flabellum A1 outside present flat side, the wind-force that is produced, air quantity are also limited, certainly the function of heat radiation is also limited, if when needing bigger thermolysis, more fan A just must be set, just can reach the function of heat radiation, when the setting in space, wire configuration, also can produce more inconvenience and trouble, when using, reality still has many shortcomings, as:

(1) air-supply of fan A or air draught function are fixing, can't directly strengthen, if when needing bigger air quantity, must set up many group fan A, also cause the inconvenience in the assembling, the problems such as raising of cost to take place.

(2) the flat flabellum A1 of fan A, when air-supply rotation cuts because of wind easily and produces noise, causes that fan A ventilation state is undesirable, thermolysis is relatively poor.

Therefore, how to solve existing fan when heat radiation, its wind-force, deficiency in draught, the problem that can't strengthen are the direction place that the person skilled of being engaged in the industry will be studied improvement.

Summary of the invention

Main purpose of the present utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of ideal of blowing, the thermolysis structure-improved of fan preferably is provided.

Reach other purpose in order to achieve the above object, the utility model provides a kind of structure-improved of fan, be to have rotating shaft in wheel hub central authorities, and outer ring is arranged with joint, joint then can be plural number and is the flabellum that radiation wire and outside oblique extension are BI, or be around being provided with a plurality of support arms, and be provided with ring body in each support arm outside, then can be at joint being a plurality of flabellums of stretching out of symmetric type, and be provided with a plurality of arcuated fin pieces more respectively than large size and symmetric type in the plural flabellum outside of symmetrical center line.

The beneficial effects of the utility model are:

1, can when rotating, fan enlarge air, wind-force water conservancy diversion, reduce noise, to reach the air quantity that strengthens fan, the purpose of wind-force intensity by fan by the arcuation fin of setting up with joint outside the wheel hub.

2, fan is after utilizing joint that arcuated fin piece is set, and device and can be arranged on the position that notebook computer or desktop computer etc. need heat radiation in fan guard, can, and effectively reduce noise because of windage was produced with auxiliary row fast heat radiation.

Description of drawings

Fig. 1 is the stereo appearance figure of the utility model fan;

Fig. 2 is the three-dimensional exploded view of the utility model preferred embodiment;

Fig. 3 is the stereo appearance figure of the utility model preferred embodiment;

Fig. 4 is another embodiment's of the utility model a fan stereo appearance figure;

Fig. 5 is another embodiment's of the utility model a fan user mode stereo appearance figure;

Fig. 6 is the three-dimensional exploded view of existing fan.

Description of reference numerals: 1-fan; The 11-wheel hub; The 111-rotating shaft; The 12-joint; The 121-flabellum; The 122-support arm; The 123-ring body; The 2-arcuated fin piece; The 3-fan guard; The 31-containing space; The 32-ventilated port; The 33-air blowing opening; The A-fan; The A1-flabellum; The A2-center hub.

Embodiment

Below in conjunction with accompanying drawing, to this novel above-mentionedly is described in more detail with other technical characteristics and advantage.

See also Fig. 1 to shown in Figure 3, be the stereo appearance figure of the utility model fan, the three-dimensional exploded view of preferred embodiment, the stereo appearance figure of preferred embodiment, find out by knowing shown in the figure, fan 1 of the present utility model comprises wheel hub 11, joint 12 and a plurality of arcuated fin piece 2, wherein:

The wheel hub 11 of described fan 1 is provided with rotating shaft 111 in the central position, and the outside then is equipped with joint 12.

Described a plurality of arcuated fin piece 2 is all to be circular shape.

Above-mentioned member is when assembling, the joint of establishing at fan 1 wheel hub 11 outer rings 12, set firmly for a plurality of arcuated fin pieces 2 connections, and be connected with in joint 12 outsides for the mode of arcuated fin piece 2 with average symmetrical wheel hub 11, and utilize plural arcuated fin piece 2 with the larger area cambered surface, produce good guide functions, quicken the noise that flows, also can reduce windage generation when rotating of air, wind-force, to increase air quantity, the wind-force of fan 1, promote the ability of heat radiation, cooling.

And the set joint 12 in wheel hub 11 outsides of fan 1, be a plurality of flabellums 121 that are BI, and in each flabellum 121 outside the mode of symmetrical wheel hub 11 center line both sides respectively, be provided with larger area arcuated fin piece 2, again with fan 1 and plural arcuated fin piece 2, together insert in the containing space 31 of fan guard 3, make fan 1 suck ambient air by ventilated port 32 places of fan guard 3, wind-force, discharge by air blowing opening 33 places again, and by the arcuation large size of a plurality of arcuated fin pieces 2, the mode of symmetry flabellum 121 center lines, strengthen air, air quantity, the water conservancy diversion of wind-force, and can produce bigger wind-force, and can reduce the noise that windage produces, the utility function of gain fan 1 promotes air-supply, air draught, the usefulness of heat radiation.

Above-mentioned plural arcuated fin piece 2, can be one-body molded in each flabellum 121 outside of the joint 12 in wheel hub 11 outsides, have good structural strength; After perhaps earlier plural arcuated fin piece 2 manufacturings being finished, give a plurality of flabellums of BI 121 outsides that symmetric type is connected joint 12 again, can make a plurality of arcuated fin pieces 2 be fastened on plural flabellum 121 outsides of joint 12 equally, and be provided with in the mode at each flabellum 121 center of symmetry, composition can strengthen the fan 1 of wind-force and air quantity, reduction noise.

See also Fig. 4 again, shown in Figure 5, fan stereo appearance figure for another embodiment of the utility model, another embodiment's fan user mode stereo appearance figure, described fan 1 is at the set joint 12 in wheel hub 11 outsides, be to be provided with a plurality of support arms 122 at wheel hub 11 outer rings, be provided with circular ring body 123 in a plurality of support arms 122 outsides again, and can be equidistant on ring body 123, symmetric type is provided with plural arcuated fin piece 2 up and down, then can be with the support arm 122 of fan 1 and wheel hub 11 outsides, ring body 123 and plural arcuated fin piece 2, together insert in the containing space 31 of fan guard 3, when fan 1 rotation, by wheel hub 11 interlock support arms 122, ring body 123 rotations, and drive a plurality of symmetric type arcuated fin pieces 2 and rotate, and make plural arcuated fin piece 2 with big arc area, produce bigger air, the wind-force guide functions, and reduce noise because of windage produced, to strengthen air quantity and wind-force, the wind-force that gain fan 1 produces, can be with fan 1, fan guard 3 is installed in the position that computer (notebook computer or desktop computer) needs heat radiation, and promotes the usefulness of fan 1 heat radiation.

And above-mentioned a plurality of arcuated fin pieces 2 are shaped on the ring body 123 of joint 12 in wheel hub 11 outsides, and become the setting of symmetric type on ring body 123, have good structural strength; After perhaps earlier a plurality of arcuated fin pieces 2 manufacturings being finished, be connected again on the ring body 123 of joint 12, and can be equidistantly, symmetric mode arranges a plurality of arcuated fin pieces 2, can make a plurality of arcuated fin pieces 2 connect, be fixed on the ring body 123 of joint 12 equally, composition can strengthen the fan 1 of wind-force and air quantity.

The structure-improved of the utility model fan, be to be provided with joint 12 in wheel hub 11 outsides of fan 1, and be provided with the plural arcuated fin piece 2 of symmetric type respectively in joint 12 outsides, to utilize plural arcuated fin piece 2 to produce good air, wind-force guide functions, to reduce noise and reach the air quantity of gain fan 1, the purpose of wind-force, and utilize the big arc area of plural arcuated fin piece 2 and the mode of symmetrical joint 12, can reach and add strong wind, air quantity water conservancy diversion with the heat radiation that promotes fan 1, the purpose of refrigerating function.

The structure-improved of above-mentioned the utility model fan has following advantage when reality is used, as:

(1) wheel hub 11 of fan 1 is connected with plural arcuation fin 2 in joint 12 outsides, can provide the electronics, the electric product that need big air quantity, wind-force to use, and reaches good heat radiation, cooling action.

(2) in the existing inner space of electronics or electric product, utilize combining of fan 1 and plural arcuated fin piece 2, by the big arc area of arcuated fin piece 2, the setting of symmetric type, produce stronger air quantity, wind-force, reduction noise, so that row is diffusing fast with the heat energy in the space, avoid fan 1 to produce the rate of fault of high load, and effectively increase the working life of fan 1.

Therefore; the utility model is the structure-improved of fan; it is the wheel hub outside at fan; connect a plurality of arcuated fin pieces with joint; and can pass through arcuated fin piece larger area arc shape, and strengthen the guide functions of air, wind-force, be main key protection point with air quantity, the wind-force of gain fan; make fan connect a plurality of arc fans, and make fan have the function of good heat radiating, cooling with joint.

In sum, the structure-improved of the utility model fan can reach its effect and purpose in use really, and the utility model is the creation of a practicability excellence, meets the application condition of novel patent, files an application in accordance with the law.

More than explanation is novel just illustrative for this; and it is nonrestrictive; those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited; can make many modifications; change, or equivalence, but all will fall in the protection domain of the present utility model.

Claims

1, a kind of structure-improved of fan comprises a wheel hub, it is characterized in that, described wheel hub central authorities have a rotating shaft, and described wheel hub outer ring is arranged with joint, and is provided with a plurality of arcuated fin pieces in the described joint outside.

2, the structure-improved of fan according to claim 1, it is characterized in that, described joint is for being a plurality of flabellums that the radiation wire loop is established in the described wheel hub outside, and described a plurality of arcuation fins outwards are connected with in the described wheel hub center line of symmetry mode by described each flabellum outside and form.

3, the structure-improved of fan according to claim 1 is characterized in that, described joint is the ring body that connects with a plurality of support arms in the described wheel hub outside, and described a plurality of arcuation fins are located on the described ring body with symmetric type.

4, the structure-improved of fan according to claim 3 is characterized in that, set a plurality of arcuation fins are for equidistant, symmetrical described wheel hub center line mode ring is located on the described ring body.

5, the structure-improved of fan according to claim 1 is characterized in that, described plural arcuation fin is one-body molded and is symmetrical in described joint.

6, the structure-improved of fan according to claim 1 is characterized in that, described a plurality of arcuation fins are after making moulding, and the mode with the described wheel hub center line of symmetry is installed on the described joint in the outside respectively.