CN2378752Y

CN2378752Y - Radiating fan

Info

Publication number: CN2378752Y
Application number: CN 98252391
Authority: CN
Inventors: 陈正钢
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-12-30
Filing date: 1998-12-30
Publication date: 2000-05-17
Anticipated expiration: 2008-12-30

Abstract

The utility model relates to a top core type radiating fan, which comprises a casing body, a blade component and an outer shell body. The center of the casing body is projected and extended with an axis seat, the outer margin of the axis seat is fixedly provided with a stator component, the center of the axis seat is glidingly sheathed with a first supporting block, and the upper top surface of the first supporting block is provided with a concave oblique cone surface. A center hub of the blade component is penetrated through a rotation axis axially, both sides of the rotation axis respectively form a core supporting part, a rotor component is fixed installed in the hub, and the rotor component is corresponding to the periphery of a stator component. The outer shell body is fixedly locked on the outer side of the casing body in bridge position, and the center of the outer shell is inlaid with a second supporting block. When the electromotive force is induced, the blade component aligns with and supports the rotation between the first supporting block and the second supporting block axially by the aid of the core supporting part arranged at the terminal of both sides of the rotation axis.

Description

Top core type radiator fan

The utility model relates to a kind of fan, particularly relates to the top heart portion that a kind of rotating shaft two lateral terminals institute that borrows the flabellum member forms respectively, and the axial alignment overhead holds the top core type radiator fan that interblock rotates in first and second respectively.

As shown in Figure 1, generally being applied to the radiator fan on the computer cpu at present, is to include: a casing ontology (100) and a flabellum member (200); Central authorities' one axle beds of projection radially (101) of this casing ontology (100) wherein are installed with stator component (102) in the outer rim of this axle bed (101), and are embedded a bearing (103) in the central authorities of this axle bed (101); And this flabellum member (200) contains a wheel hub (201), be equipped with most flabellums (202) in the outer rim of this wheel hub (201), and axially be embedded a rotating shaft (203), and in this wheel hub (201), be embedded a rotor component (204) in this wheel hub (201) center; Identical ground of rotating shaft (203) pivot of assembling this flabellum member (200) in season is placed in the bearing (103) of this casing ontology (100), makes this rotor component (204) corresponding to stator component (102) periphery, with in induction electromotive force, turns this flabellum member (200).Yet the radiator fan of commonly using, the rotating shaft (203) of its flabellum member (200) is stretched and is placed this bearing (103), become periphery contact, for reducing abrasion, must between rotating shaft (203) and bearing (103), inject lubricating oil, or adopt oiliness bearing, if the lubricating oil deficiency will cause rotating shaft (203) wearing and tearing, reduce its serviceable life, and can produce noise, so the maintaining of the radiator fan of commonly using is difficult for.

This creator in view of this, the utility model is developed in active research innovation finally.

The purpose of this utility model is, a kind of top core type radiator fan is provided, and with effective reduction abrasion and noise, improves rotating speed, increases radiating effect, improves serviceable life.

The purpose of this utility model is realized by following technical scheme.

A kind of top core type radiator fan, comprise a casing ontology and a flabellum member, it is characterized in that, described casing ontology, in its central authorities one axle bed of projection radially, the outer rim of this axle bed is fixed with a stator and constitutes, in addition in the axis of centres of this axle bed to holding piece with a spring sliding sleeve one first, making this first last end face that holds piece is to form a scalene cone towards the center indent; A described flabellum member, contain a wheel hub, the prominent majority flabellum of establishing of the outer rim of this wheel hub, and the axis of centres in this wheel hub is embedded a rotating shaft to running through, make two lateral terminals of this rotating shaft form a pinnacle heart portion gradually respectively, make the top heart portion of this rotating shaft first side be cross-placed on this at ordinary times and first hold on the scalene cone of piece, and set firmly a rotor component, with at ordinary times to stator component that should casing ontology in this wheel hub inner edge; Be provided with a shell body, bridge and be locked on this casing ontology, the central authorities of this shell body are embedded one second and hold piece, and this second outside face of holding that holds piece is to form a scalene cone towards the center position indent, in the top heart portion that is cross-placed on to axial alignment this flabellum member second lateral terminal at ordinary times, make the rotating shaft of this flabellum member rotatably be held in this first and second hold interblock.

The purpose of this utility model can also further realize by following technical measures.

The rotating shaft two lateral terminal top heart portions of this flabellum member modify ground and form semi-sphere, and this first and second hold piece scalene cone form a sphere curved surface respectively.The axle bed central authorities of this casing ontology are arranged with a cover cave, and in this cover cave in a nested sleeve, make this sleeve central authorities tubes cave inner sliding sleeve this first hold piece, and make this first hold between piece and this sleeve elasticity and shore a spring, this first holds piece with outside pushing tow at ordinary times.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Fig. 1 is a cross-sectional schematic of commonly using radiator fan.

Fig. 2 is a decomposing schematic representation of the present utility model.

Fig. 3 is a cross-sectional schematic of the present utility model.

See also shown in Fig. 2,3, a kind of top of the present utility model core type radiator fan, it comprises: a casing ontology (1) holds piece (13) in the axis of centres of this casing ontology (1) to elastomeric sleeve one first; One fan member (2) axially runs through being embedded a rotating shaft (23) in the central authorities of this wheel hub (21), and makes two lateral terminals of this rotating shaft (23) form a pinnacle heart portion (23a, 23b) gradually respectively; And the central authorities of shell body (3) are embedded one second and hold piece (33), make this first, two hold piece (13,33) rotating shaft (23) top, the both sides (23a of heart portion that bridges at ordinary times and be held in this flabellum member (2), 23b), make this rotating shaft (23) can be held in this first, two hold piece (13,33) rotation between, because this rotating shaft (23) is to be the gradually (23a of top heart portion of point with both sides, 23b) be held in this first, two hold piece (13,33) on, be some contact, not only reduce contact area, abrasion are reduced, and because of frictional resistance reduces, rotation speed of the fan is increased, air quantity increases, to increase its radiating efficiency, in addition, owing to be that a contact friction loss is little, can have the effect that reduces noise without lubricating oil.

This casing ontology (1) is in its central authorities projection one axle bed (11) radially, the outer rim of this axle bed (11) installs a stator member (12), the axis of centres in this axle bed (11) overlaps cave (111) to being arranged with one in addition, a nested sleeve (112) in this cover cave (111), and make central authorities' tube cave (112 ') inner sliding sleeve one first of this sleeve (112) hold piece (13), and first hold between the bottom of piece (13) and this sleeve (112) and hold a spring (132) in this, this spring (132) at ordinary times outwards pushing tow this first hold piece (13), with this rotating shaft of clamping firmly (23) in this first, two hold piece (13,33) between, and this first last end face that holds piece (13) forms a scalene cone (131) towards the center position indent, when making the top heart portion (23a) of this rotating shaft (23) terminal be held in this scalene cone (131), can automatically align the culminating point of this scalene cone (131).

This flabellum member (2), be to contain a wheel hub (21), be equipped with most flabellums (22) in the outer rim of this wheel hub (21), and be embedded a rotating shaft (23) to running through in this wheel hub (21) central shaft, make the terminal of this rotating shaft (23) both sides form a pinnacle heart portion (23a, 23b) gradually respectively, the inner edge in this wheel hub (21) installs a rotor component (24) in addition.Make the rotating shaft (23) of this flabellum member (2) be held in this first and second when holding between piece (23a, 23b) like this, this rotor component (24) is corresponding to the periphery of the stator component (12) of this casing ontology (1), behind conducting induction by current electromotive force, this flabellum member (2) can hold and hold rotation between piece (23a, 23b) this first and second.

This shell body (3) contains most fixed orifices (31), be locked on this casing ontology (1) to borrow screw (32) to bridge, inboard and axial alignment in this shell body (3) holds piece (13) center in first of this casing ontology (1) in addition, be embedded one second and hold piece (33), make this second outside that holds piece (33) hold facing the center position indent and form a scalene cone (331), make the top heart portion (23b) of these rotating shaft (23) second lateral terminals be held in this second when holding the scalene cone (331) of piece (33), can automatically align the culminating point of this scalene cone (331), and make rotating shaft (23) axle center and first of this flabellum member (2), two hold piece (13,33) center is along an axial line (L) axial alignment, and the energy balance is smooth and easy when making this flabellum member (2) rotation.

The flabellum member (2) that the utility model disclosed, the top heart portion (23a, 23b) of this rotating shaft (23) both sides wherein, can form a sphere curved surface with modifying, make rotating shaft (23) two ends of this flabellum member (2) become hemispherical top heart portion, can become a little to be held in contiguously on first and second scalene cone that holds piece (13,33) curved surface spherical in shape.

Because top core type radiator fan that the utility model disclosed, rotating shaft (23) two lateral terminals of its flabellum member (2) are and a little are held in first and second contiguously and hold between piece (13,33) and rotate, and have following characteristics and advantage:

1. be a contact and can effectively reduce abrasion.

2. frictional resistance is little, can promote rotating speed, increases air-supply, thereby improves radiating efficiency.

3. can add lubricating oil.

4. abrasion are few, increase serviceable life.

5. reduction noise.

The structure that the utility model disclosed, shape can be modified application under the spirit of not violating this creation and category, the utility model also will not limit.

Claims

1, a kind of top core type radiator fan comprises a casing ontology and a flabellum member, it is characterized in that,

Described casing ontology, in its central authorities one axle bed of projection radially, the outer rim of this axle bed is fixed with a stator and constitutes, in addition in the axis of centres of this axle bed to holding piece with a spring sliding sleeve one first, making this first last end face that holds piece is to form a scalene cone towards the center indent;

A described flabellum member, contain a wheel hub, the prominent majority flabellum of establishing of the outer rim of this wheel hub, and the axis of centres in this wheel hub is embedded a rotating shaft to running through, make two lateral terminals of this rotating shaft form a pinnacle heart portion gradually respectively, make the top heart portion of this rotating shaft first side be cross-placed on this at ordinary times and first hold on the scalene cone of piece, and set firmly a rotor component, with at ordinary times to stator component that should casing ontology in this wheel hub inner edge;

Be provided with a shell body, bridge and be locked on this casing ontology, the central authorities of this shell body are embedded one second and hold piece, and this second outside face of holding that holds piece is to form a scalene cone towards the center position indent, in the top heart portion that is cross-placed on to axial alignment this flabellum member second lateral terminal at ordinary times, make the rotating shaft of this flabellum member rotatably be held in this first and second hold interblock.

2, top according to claim 1 core type radiator fan is characterized in that, the rotating shaft two lateral terminal top heart portions of this flabellum member modify ground and form semi-sphere, and this first and second hold piece scalene cone form a sphere curved surface respectively.

3, top according to claim 1 core type radiator fan, it is characterized in that the axle bed central authorities of this casing ontology are arranged with a cover cave, and overlap a nested sleeve in cave in this, make this sleeve central authorities tubes cave inner sliding sleeve this first hold piece, this first holds between piece and this sleeve elasticity and shores a spring.