CN107420347B

CN107420347B - Impeller and radiator fan with the impeller

Info

Publication number: CN107420347B
Application number: CN201610352276.5A
Authority: CN
Inventors: 洪银树; 林建良; 梁胜杰
Original assignee: >FOSHAN SUNON ELECTRICAL APPLIANCE Co Ltd
Current assignee: Beihai jianzhun Electronics Co.,Ltd.
Priority date: 2016-05-24
Filing date: 2016-05-24
Publication date: 2019-07-19
Anticipated expiration: 2036-05-24
Also published as: CN107420347A

Abstract

A kind of impeller and the radiator fan with the impeller, to solve the problems, such as that existing radiator fan does not have spill resistant ability.Impeller of the invention includes: a center rotary components, has a wheel hub and a shaft, which has a partition, which is additionally provided with multiple heat release holes through the partition, and the shaft is in conjunction with the partition；One wind dispelling component, in conjunction with the center rotary components, and ring is located at the periphery of the wheel hub；And a covering, in conjunction with the center rotary components；Wherein, the shaft radially, the expanded range of the covering is fully contemplated by multiple heat release hole.

Description

Impeller and radiator fan with the impeller

Technical field

The present invention relates to a kind of radiator fan component, especially a kind of to have radiator fan dust-proof and spill resistant ability Impeller, and the radiator fan with the impeller.

Background technique

Fig. 1 is please referred to, is a kind of existing radiator fan 9, which has a fan frame 91, certain Son 92 and an impeller 93, the stator 92 are set to the periphery of a central siphon 911 of the fan frame 91, which can be revolved by a shaft 931 Turn ground and combines the central siphon 911；The impeller 93 also comprises a wheel hub 932 and connect with the shaft 931, and has multiple flabellums 933 to set In the periphery of the wheel hub 932.Wherein, the top surface of the wheel hub 932 opens up multiple holes 9321, therefore when the impeller 93 rotation, should The air-flow of 932 outside relative low temperature of wheel hub can be inhaled into inside the wheel hub 932 by multiple hole 9321, be reduced with reaching The effect of existing 9 internal temperature of radiator fan.It is public in TaiWan, China similar to the embodiment of the existing radiator fan 9 It is open in announcement number the 545525th, I 354530 and I 504106 Patent Cases.

However, the impeller of radiator fan preferably needs to have dust-proof and spill resistant energy under most use environment Power；That is, the impeller of radiator fan need at least have the degree of protection of IP51, therein 5 be the ash without the accumulation that may make up damage Dirt degree of protection, 1 therein be the aqueous that can stop vertically to fall aqueous degree of protection.Standard is apparently, above-mentioned according to this Existing radiator fan 9 is because opening up multiple hole 9321 on the wheel hub 932 of its impeller 93, so that can not pass through the certification of IP51 Project, therefore still have improvedd necessity.

Summary of the invention

To solve the above problems, the present invention provides a kind of impeller, make the multiple heat release holes opened up on wheel hub will not be exposed In outer, to enable the radiator fan with the impeller that can have dust-proof and spill resistant ability by the authentication item of IP51.

The Directional terms being previously mentioned below the present invention, for example, front, back, left, right, up (top), under (bottom), inside and outside, side Deng mostly in reference to the direction of attached drawing, each side's tropism term is only to aid in illustrating and understand various embodiments of the present invention, non-use To limit the present invention.

Impeller of the invention, comprising: a center rotary components, the center rotary components have a wheel hub and a shaft, should Wheel hub has a partition, which is additionally provided with multiple heat release holes through the partition, and the shaft is in conjunction with the partition；One wind dispelling Component, the wind dispelling component is in conjunction with the center rotary components, and ring is located at the periphery of the wheel hub；And one cover, the covering with should Center rotary components combine；Wherein, the shaft radially, the expanded range of the covering is fully contemplated by multiple heat release hole.

Accordingly, impeller of the invention can cover by wheel hub over-assemble, keep the heat release hole opened up on wheel hub naked Outside being exposed to, so as to have dust-proof and spill resistant ability by the authentication item of IP51；In addition, the simple structure of the covering, It is not only easy to manufacture, and it is splendid to assemble convenience.

Wherein, the shaft radially, the expanded range of the covering is fully contemplated by the expanded range of the partition；The structure With further promoting dust-proof and spill resistant effect and other effects.

Wherein, the shaft radially, the expanded range of the covering is fully contemplated by the expanded range of the wheel hub；The structure With further promoting dust-proof and spill resistant effect and other effects.

Wherein, the outer surface of the covering is tilted down outwardly by the closest shaft；The structure, which has, promotes aqueous row Except efficiency and other effects.

Wherein, towards one ringwall of surface projection of the partition, the outermost end of the covering forms one extended downwardly for the covering The ring wing forms a chase between the ring wing and the ringwall；The structure, which has, promotes dust-proof and spill resistant effect and other effects.

Wherein, the shaft radially, the expanded range of the ringwall is fully contemplated by the expanded range of the partition；The structure With can effectively prevent aqueous adverse current and other effects.

Wherein, which has a rotation axis, and a radial reference face is orthogonal to the rotation axis, and the radial reference face is logical Cross peritreme of the partition towards the heat release hole for being located at minimum point on the surface of the covering；The ring wing extends downwardly through the radial direction base Quasi- face, and the ring wing is protruded out beyond one first axis distance of the radial reference face, which extends downwardly through the radial reference Face, and the ringwall is protruded out beyond one second axial distance of the radial reference face, first axis distance be greater than this second it is axial away from From；The structure, which has, to be promoted prevent aqueous adverse current effect and other effects again.

Wherein, the outer surface of the covering is equipped with an at least disposal ditches；The structure, which has, promotes drainage efficiency and other effects.

Wherein, which has a rotation axis, the quantity of the disposal ditches be it is multiple, multiple disposal ditches is with the rotary shaft It is arranged radially centered on line；The structure has and can uniformly drain and other effects.

Wherein, which is extended to the external end edge of the covering by the neighbouring rotation axis；The structure has can be whole Promote drainage effect and drainage efficiency and other effects to property.

Wherein, towards the multiple fins of surface projection of the partition, multiple fin ring is located at the shaft periphery for the covering, should Multiple fins define a wind dispelling range, and multiple heat release hole is within the scope of the wind dispelling；The structure is imitated with heat radiation Rate and other effects.

Wherein, which wears axle portion in the surface projection one of the partition towards the covering, this is worn axle portion and supplies equipped with a hole The shaft is through combination；The covering sets an engaging portion clip and wears axle portion and for the shaft through the covering in conjunction with this, and the shaft is convex It stretches one end beyond the covering and is equipped with an annular groove, a fastener clip is incorporated into the annular groove and abuts the covering；The structure makes the screening Lid, which can consolidate, combines the center rotary components, and has and promote assembling and disassembly convenience and other effects.

Wherein, this, which is worn, is arranged at intervals with multiple protrusions on the circumferential surface of axle portion, which is equipped with a register hole, the fitting Hole has the form to match with the circumferential surface for wearing axle portion, which wears axle portion in conjunction with this by the register hole clip；The knot Structure, which has, promotes engaging stability and assembling convenience and other effects.

A kind of fan including above-mentioned impeller, and has dust-proof and spill resistant ability, and thermal diffusivity is good.

Detailed description of the invention

A kind of Fig. 1: structural schematic diagram of existing radiator fan.

Fig. 2: the schematic perspective view of one embodiment of the invention.

Fig. 3: the sectional perspective decomposition texture schematic diagram of one embodiment of the invention.

Fig. 4: structural schematic diagram is cutd open in the side of one embodiment of the invention.

Fig. 5: the section view implementation diagram of one embodiment of the invention.

Fig. 6: structural schematic diagram is cutd open in the side of another embodiment of the present invention.

Description of symbols

﹝ this Fa Ming ﹞

1 center rotary components, 11 wheel hub

111 partition, 112 ring wall

113 heat release holes 114 wear axle portion

1141 hole, 1142 protrusion

12 shaft, 121 annular groove

2 wind dispelling component, 21 bottom plate

22 flabellums

3 cover 31 engaging portions

311 register hole, 32 disposal ditches

33 ringwall, the 34 ring wing

35 fins

4 central siphons

5 stator packs

A rotation axis B fastener

D wind dispelling range d1 first axis distance

D2 the second axial distance M magnetic portion

R1, R2, r1, r2 expanded range

S radial reference face

﹝ Xian You Ji Shu ﹞

9 radiator fan, 91 fan frame

911 central siphon, 92 stator

93 impeller, 931 shaft

932 wheel hub, 9321 hole

933 flabellums.

Specific embodiment

For above and other objects, features and advantages of the invention can be clearer and more comprehensible, be cited below particularly it is of the invention compared with Good embodiment, and cooperate attached drawing, it is described in detail below:

It referring to figure 2., is an embodiment of impeller of the invention, which generally includes a center rotary components 1, And 3 are covered respectively in connection with the wind dispelling component 2 and one in the center rotary components 1.

Referring to figure 2., Fig. 4, the center rotary components 1 include combining with a wheel hub 11 of synchronous rotary and a shaft 12.There is the wheel hub 11 partition 111 to combine for the shaft 12, and distinguish the wheel hub 11 in the shaft 12 by the partition 111 Inside and out in axial direction.The form of the wheel hub 11 is unlimited, such as the partition 111 can be in plate or bent plate shape (such as Fig. 6 institute Show)；And when being intended to be applied to the motor with axial air-gap, which can include forever for a magnetic portion M(by the partition 111 Long magnet and magnet sealing piece etc.) combine positioning；And when being intended to be applied to the motor with radial air gap, in addition which can then connect A ring wall 112 is connect to position so that magnetic portion M is combined.The wheel hub 11 is additionally provided with multiple heat release holes 113 through the partition 111, It is connected to the inside of the wheel hub 11 with outside to radiate.

Referring to figure 3., Fig. 4, in the present embodiment, the shaft 12 can be through the partition 111 be combined, and wherein the shaft 12 is used In the form of radial section to combine the position of the partition 111 is preferably set as non-circular, such as semicircular in shape, and the partition 111 Then there is the form to match with the hole combined for the shaft 12, energy synchronous rotary after combining the two, and be not susceptible to The situation of idle running helps the smooth rotation degree for promoting the center rotary components 1 and assembling convenience.

In addition, to increase the bonded area of the shaft 12 and the wheel hub 11, and the combination stability of the two is promoted, this implementation In addition example makes the wheel hub 11 wear axle portion 114 equipped with protruding upward one in the upper surface of the partition 111, this is worn axle portion 114 and is equipped with For one hole 1141 for the shaft 12 through combining, which is the form to match as previously described with the shaft 12. This wears position of the axle portion 114 other than the hole 1141, and radial section is preferably also selected to non-circular form, with and for 3 clip of covering combines, and enables the covering 3 with 11 synchronous rotary of wheel hub.Such as but without limitation, this wears axle portion 114 The multiple protrusions 1142 of space set on circumferential surface, and multiple protrusion 1142 is preferably in be equidistantly spaced setting, it is steady to have both Gu engaging and assembling are convenient and other effects.

Referring again to Fig. 2, Fig. 4, which combines the center rotary components 1, and ring is located at the outer of the wheel hub 11 Week can interlock the wind dispelling component 2 and air-flow is driven to flow when the wheel hub 11 is rotated with the shaft 12 for axle center.In the present embodiment, The impeller may be selected to be the impeller of a blower fan, which may include a bottom plate 21 and multiple flabellums 22, the bottom plate 21 with The ring wall 112 of the wheel hub 11 connects, multiple flabellum 22 connect with the bottom plate 21 with the wheel hub 1 separately, and annular arrangement In the periphery of the wheel hub 11.Alternatively, in other embodiments, which also may be selected to be connected by the inner edge of multiple flabellums The outer peripheral surface (such as impeller shown in fig. 6) of the wheel hub 11.

The covering 3 combine the center rotary components 1, and the shaft 12 radially, the expanded range R1 of the covering 3 is complete Cover multiple heat release hole 113 entirely, is not exposed to multiple heat release hole 113 outer, to achieve the effect that dust-proof and spill resistant.Its In, to avoid aqueous from being dropped on the partition 111 and flowing to any one heat release hole 113, preferably select the extension model for making the covering 3 The expanded range r1 that R1 is fully contemplated by the partition 111 is enclosed, the expanded range R1 of the covering 3 is more preferably then made to be fully contemplated by the wheel hub 11 Expanded range r2, further to promote dust-proof and spill resistant effect.

Specifically, the attached drawing of the present embodiment is because selecting to present perpendicular to the ring wall 112 of the partition 111, Therefore expanded range r1, r2 are equal；It is set as in the embodiment of the wider cone cell in bottom in the ring wall 112, expanded range r2 will Greater than expanded range r1, be it will be appreciated by those skilled in the art that.

In more detail, referring to figure 3., Fig. 4, which wears axle portion 114 by what an engaging portion 31 was bound to the wheel hub 11, Its combination may be, for example, close-fitting combination, bonding or clip combination etc..In the present embodiment, the engaging portion 31 protrusion is in the screening For lid 3 towards the surface of the partition 111, which is equipped with a register hole 311, which, which has, wears axle portion 114 with this The form that matches of circumferential surface, make the engaging portion 31 that can wear axle portion 114 in conjunction with this by 311 clip of register hole, and for this turn Axis 12 runs through the covering 3；The shaft 12 protrudes out one end beyond the covering 3 equipped with an annular groove 121, and a fastener B clip is incorporated into The annular groove 121 simultaneously abuts the covering 3, enables the covering 3 is firm to combine the center rotary components 1, and convenient for assembling and disassembly.It should Multiple heat release holes 113 of wheel hub 11 to the periphery for being located at the engaging portion 31 make that one can be formed between the covering 3 and the partition 111 Air duct, and it is connected to multiple heat release hole 113 with outside by the air duct.

The outer surface of the covering 3 is tilted down outwardly by the closest shaft 12, to help spilling extremely should using gradient Covering 3 aqueous can faster exhaust, and will not be accumulated in the covering 3.In addition, as shown in Figure 2, Figure 4 shows, it can also be in the covering 3 Outer surface be equipped with an at least disposal ditches 32, exhaust and promoted drainage efficiency to guide aqueous according to predefined paths；In this implementation In example, which has a rotation axis A can be by multiple disposal ditches 32 when the quantity of the disposal ditches 32 is set as multiple It is arranged radially centered on rotation axis A, and the disposal ditches 32 preferably extends to the screening by neighbouring rotation axis A The external end edge of lid 3 with globality promotes drainage effect and drainage efficiency.

Referring to figure 3., Fig. 4, further to promote dust-proof brought by the covering 3 and spill resistant effect, this reality Surface projection one ringwall 33 of the example in addition in the covering 3 towards the partition 111 is applied, the outermost end of the covering 3 is then formed to downward The ring wing 34 stretched makes that a chase can be formed between the ring wing 34 and the ringwall 33.The shaft 12 radially, the ringwall 33 Expanded range R2 be fully contemplated by the expanded range r1 of the partition 111.Accordingly, though have a small amount of aqueous from the covering 3 most Adverse current enters the chase at outer end, can also be stopped by the ringwall 33 and can not continue inwardly to flow, while can also be by the ringwall 33 Guiding exclude aqueous, it is ensured that aqueous will not flow to the top of the partition 111.

Wherein, a radial reference face S is orthogonal to the rotation axis A of the shaft 12, which passes through the partition 111 towards the heat release hole 113 for being located at minimum point on the surface of the covering 3 peritreme.Specifically, the present embodiment is attached Figure is presented because selecting with flat partition 111, therefore radial reference face S is table of the partition 111 towards the covering 3 The extension plane in face；Relatively, in the embodiment in the as shown in Figure 6 partition 111 in bent plate shape, the radial reference face S with should Partition 111 towards the surface of the covering 3 then only part interlock, be it will be appreciated by those skilled in the art that.

It holds, referring to figure 4., Fig. 6, which can extend downwardly through radial reference face S, and the ring wing 34 protrudes out Beyond mono- first axis distance d1 of radial reference face S, which also extends downwardly through radial reference face S, and the ring Wall 33, which is protruded out, is preferably greater than second axial direction beyond mono- second axial distance d2 of radial reference face S, first axis distance d1 Distance d2.In this way, can reduce aqueous flows to the probability that another mistake behind the end of the ring wing 34 flows into the chase, and can again further Ground ensures that aqueous hardly flows to the top of the partition 111, and promotes dust and float to the degree of difficulty at the heat release hole 113, makes The covering 3 can provide more significant dust-proof and spill resistant effect with easy structure.

Referring again to Fig. 3, Fig. 4, which can also be convexly equipped with multiple fins 35 towards the surface of the partition 111, multiple Fin 35 can connect the engaging portion 31 and be located at 12 periphery of shaft with ring, and define a wind dispelling range D by multiple fin 35； Multiple heat release holes 113 of the wheel hub 11 are in wind dispelling range D.Whereby, when which rotates with the wheel hub 11, this is more A fin 35 can drive the air-flow of 3 lower section of covering to generate flowing, help radiating efficiency when promoting impeller running.

Referring to figure 5., according to by structure above-mentioned, impeller of the invention is assembled to a central siphon of a fan by the shaft 12 After 4, magnetic portion M can be opposite with the stator group 5 set on 4 periphery of central siphon, forms sense magnetic air gap, enables the impeller that can be driven Rotation.

During the impeller rotational run, the heat release hole on the wheel hub 11 can be passed through inside and out the wheel hub 11 113 exchange air-flows, therefore good radiating efficiency can be maintained.In addition, aqueous will be by this if there is aqueous towards 11 spilling of wheel hub It covers 3 to keep off, and aqueous can rapidly be thrown away by centrifugal force, the wheel hub will not be flowed into from the heat release hole 113 on the wheel hub 11 Inside 11.Even under the stationary state of the impeller, towards the aqueous of 11 spilling of wheel hub under can still being kept off by the covering 3, and by The outer surface and the disposal ditches 32 that the covering 3 tilts down quickly exhaust aqueous.

In conclusion impeller of the invention, can cover by wheel hub over-assemble, make the heat release hole opened up on wheel hub not Outside being exposed to, to enable the radiator fan with the impeller that can have dust-proof and spill resistant by the authentication item of IP51 Ability；In addition, the simple structure of the covering, is not only easy to manufacture, and it is splendid to assemble convenience.

Claims

1. a kind of impeller characterized by comprising

One center rotary components, the center rotary components have a wheel hub and a shaft, which has a partition, The wheel hub is additionally provided with multiple heat release holes through the partition, and the shaft is in conjunction with the partition；

One wind dispelling component, the wind dispelling component is in conjunction with the center rotary components, and ring is located at the periphery of the wheel hub；And

One covering, in conjunction with the center rotary components, which, should towards one ringwall of surface projection of the partition for the covering The outermost end of covering forms the ring wing extended downwardly, and a chase is formed between the ring wing and the ringwall；

Wherein, the shaft radially, the expanded range of the covering is fully contemplated by multiple heat release hole, in the radial direction of the shaft On, the expanded range of the ringwall is fully contemplated by the expanded range of the partition, which has a rotation axis, a radial base Quasi- face is orthogonal to the rotation axis, and the radial reference face is by the partition towards the heat dissipation for being located at minimum point on the surface of the covering The peritreme in hole；The ring wing extends downwardly through the radial reference face, and the ring wing is protruded out beyond one first, the radial reference face Axial distance, the ringwall extend downwardly through the radial reference face, and the ringwall is protruded out beyond one second, the radial reference face Axial distance, first axis distance are greater than second axial distance.

2. impeller as described in claim 1, wherein the shaft radially, the expanded range of the covering is fully contemplated by this The expanded range of partition.

3. impeller as described in claim 1, wherein the shaft radially, the expanded range of the covering is fully contemplated by this The expanded range of wheel hub.

4. impeller as claimed any one in claims 1 to 3, wherein the outer surface of the covering is by the closest shaft court It tilts down outside.

5. impeller as claimed any one in claims 1 to 3, wherein the outer surface of the covering is equipped at least one disposal ditches.

6. impeller as claimed in claim 5, wherein the shaft has a rotation axis, the quantity of the disposal ditches be it is multiple, should Multiple disposal ditcheses are arranged radially centered on the rotation axis.

7. impeller as claimed in claim 6, wherein the disposal ditches is extended to the outer end of the covering by the neighbouring rotation axis Edge.

8. impeller as claimed any one in claims 1 to 3, wherein surface projection multiple ribs of the covering towards the partition Piece, multiple fin ring are located at the shaft periphery, and multiple fin defines a wind dispelling range, and multiple heat release hole is to being located at Within the scope of the wind dispelling.

9. impeller as claimed any one in claims 1 to 3, wherein the wheel hub is convex on the surface of the partition towards the covering If one is worn axle portion, this is worn axle portion and supplies the shaft through combination equipped with a hole；The covering sets an engaging portion clip and combines This wears axle portion and for the shaft through the covering, which protrudes out one end beyond the covering equipped with an annular groove, a fastener Clip is incorporated into the annular groove and abuts the covering.

10. impeller as claimed in claim 9, wherein this is worn interval on the circumferential surface of axle portion and multiple protrusions, the engaging portion is arranged Equipped with a register hole, which has the form to match with the circumferential surface for wearing axle portion, and the engaging portion is by the register hole Clip wears axle portion in conjunction with this.

11. a kind of fan, which is characterized in that including the impeller as described in any one of claims 1 to 10.