CN202126658U - Cooling fan - Google Patents
Cooling fan Download PDFInfo
- Publication number
- CN202126658U CN202126658U CN2011201982786U CN201120198278U CN202126658U CN 202126658 U CN202126658 U CN 202126658U CN 2011201982786 U CN2011201982786 U CN 2011201982786U CN 201120198278 U CN201120198278 U CN 201120198278U CN 202126658 U CN202126658 U CN 202126658U
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- CN
- China
- Prior art keywords
- radiator fan
- ringwall
- perforation
- spacing
- top board
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- Expired - Fee Related
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model provides a cooling fan which comprises a hollow barrel body, a fixed column, a stator, a fan wheel, a bearing and a carrier plate, wherein the fixed column has a fixed end and a free end, the fixed end is fixed in the hollow barrel body, the stator is assembled in the hollow barrel body is assembled on the carrier plate, the fan wheel is provided with a top plate, an outer race wall, an inner race wall and a through hole penetrating through the top plate, the inner race wall surrounds the through hole, the fan wheel covers the hollow barrel body and the stator, the hollow barrel body and the stator are arranged between the outer race wall and the inner race wall, the bearing is combined with the inner race wall and is used for the penetration of the fixed column, and the free end of the fixed column protrudes the top surface of the top plate, so that a distance exists between a top prop surface of the free end and the top surface.
Description
Technical field
The utility model relates to a kind of radiator fan, particularly has a crashproof spacing relevant for a kind of, in the process that electronic goods uses, receives compressing and the radiator fan that damages of the housing of electronic goods with the impeller that prevents radiator fan.
Background technology
As shown in Figure 7; Existing a kind of radiator fan 10 of convention is installed in the electronic goods 20 such as mobile computer or flat computer; To dispel the heat; But the design of electronic goods such as mobile computer or flat computer is designer trends with frivolous at present, and therefore when this radiator fan 10 was installed in this electronic goods 20, the housing 21 of this electronic goods 20 or keyboard or panel very easily knocked or press because of the user; And cause housing 21 or keyboard or panel to oppress the impeller 11 of this radiator fan 10, make this radiator fan 10 damage and can't normal rotation dispel the heat.
This shows that above-mentioned existing radiator fan obviously still has inconvenience and defective, and demands urgently further improving in structure and use.Therefore how to found a kind of radiator fan that has that volume is little, cost is low concurrently and can have the new structure of comprehensive adjustment function when using, also becoming the current industry utmost point needs improved target.
Because the defective that above-mentioned existing radiator fan exists; The inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge; And cooperate the utilization of studying the science, actively study innovation, in the hope of founding a kind of radiator fan of new structure; Can improve general existing radiator fan, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, found out the utility model of true tool practical value finally.
Summary of the invention
The purpose of the utility model is; Overcome the defective that existing radiator fan exists; And a kind of radiator fan of new structure is provided, technical matters to be solved is to be when overcoming the prior art generation and being installed in electronic goods such as mobile computer or flat computer because of radiator fan, in the operating process of electronic goods; Because of the impeller of the housing of electronic goods or keyboard or panel compressing radiator fan, and cause radiator fan damage can't the normal rotation heat radiation problem.
The purpose of the utility model and to solve its technical matters be that technical scheme below adopting realizes.A kind of radiator fan according to the utility model proposes wherein comprises: a hollow staving, have a base plate and a ringwall, and this ringwall is located on this base plate and forms an accommodation space with this base plate; One fixed leg has a stiff end and a free end, and this stiff end is fixed in this base plate of this hollow staving, and this free end protrudes from this ringwall, and this free end has a upper projecting face; One stator is mounted on this ringwall periphery; One impeller; Have ringwall, in the top board, an outer ring wall, and run through the perforation and a ringshaped magnet of this top board; This top board has a bottom surface and an end face, and this outer ring wall is arranged at this bottom surface of this top board and is formed with one first storage tank, and ringwall is arranged at this bottom surface of this top board and is formed with one second storage tank in this; Should be arranged in this first storage tank and center on this perforation by interior ringwall; This hollow staving of this impeller cover cap and this stator, ringwall is placed in this accommodation space of this hollow staving in this, and this ringwall of this hollow staving and this stator this outer ring wall with this between the ringwall; One bearing; Be arranged in this second storage tank, this bearing has a combined hole, and this fixed leg runs through the perforation of this combined hole and this impeller; This free end of this fixed leg protrudes from this end face of this top board, and has one first spacing between this free-ended this upper projecting face and this end face; And a support plate, it has a spliced eye, and this hollow staving group is established and is fixed in this spliced eye.
The purpose of the utility model and solve its technical matters and can also adopt following technical measures to come further to realize.
Aforesaid radiator fan; Wherein said this perforation has one first opening, one second opening and a passage; The internal diameter of this perforation is greater than the external diameter of this fixed leg, and this first opening and this second opening lay respectively at the bottom surface and the end face of this top board, and this passage is between this first opening and this second opening; And the interior ringwall of this impeller is around this first opening of this perforation, this second storage tank of this first open communication and this passage.
Aforesaid radiator fan, this perforation of wherein said this impeller has a stop part in addition, and this stop part is convexly set in this passage of this perforation.
Aforesaid radiator fan, wherein said this stop part comprises a center pit, and this center pit has one first internal diameter, and this combined hole of this bearing has one second internal diameter, and this first internal diameter is not less than this second internal diameter.
Aforesaid radiator fan, the wherein said packing ring that comprises in addition, this fixed leg runs through this packing ring, and this packing ring is between this base plate of this bearing and this hollow staving, and this this bearing of packing ring contact.
Aforesaid radiator fan, the wherein said locating part that comprises in addition, this locating part is arranged at this free end of this fixed leg.
Aforesaid radiator fan; The wherein said locating part that comprises in addition, this locating part is arranged at this free end of this fixed leg, and this locating part is placed in this perforation of this impeller; And be positioned at this stop part top, the external diameter of this locating part is not less than this first internal diameter of this center pit.
Aforesaid radiator fan, this base plate of wherein said this hollow staving has a upper surface and a lower surface, and this lower surface of this base plate convexes with an interval protuberance, and this interval protuberance protrudes from this support plate, has a heat radiation spacing between this interval protuberance and this support plate.
Aforesaid radiator fan, wherein said this support plate have in addition one run through this support plate air vent, this air vent and this heat radiation spacing form a heat dissipation channel, and this heat radiation spacing is not more than this first spacing.
Aforesaid radiator fan, the wherein said housing that includes in addition has one second spacing between this free-ended this upper projecting face and this housing, and this second spacing is less than this first spacing.
The utility model compared with prior art has tangible advantage and beneficial effect.By technique scheme, the utility model is to provide a kind of radiator fan, and it comprises a hollow staving, a fixed leg, a stator, an impeller, a bearing and a support plate; This hollow staving has a base plate and a ringwall, and this ringwall is located on this base plate and forms an accommodation space with this base plate, and this fixed leg has a stiff end and a free end; This stiff end is fixed in this base plate of this hollow staving, and this free end protrudes from this ringwall, and this free end has a upper projecting face; This stator pack is established the periphery of this ringwall, and this impeller has a perforation and the ringshaped magnet that ringwall, in the top board, an outer ring wall, runs through this top board, and this top board has a bottom surface and an end face; This outer ring wall is arranged at this bottom surface of this top board and is formed with one first storage tank, and ringwall is arranged at this bottom surface of this top board and is formed with one second storage tank in this, and ringwall is arranged in this first storage tank and centers on this perforation in this; This hollow staving of this impeller cover cap and this stator; Should in ringwall be placed in this accommodation space of this hollow staving, and this ringwall of this hollow staving and this stator this outer ring wall with this between the ringwall, this bearing is arranged in this second storage tank; This bearing has a combined hole; This fixed leg runs through this perforation of this combined hole and this impeller, and this free end of this fixed leg protrudes from this end face of this top board, and has one first spacing between this free-ended this upper projecting face and this end face; This support plate has a spliced eye, and this hollow staving group is established and is fixed in this spliced eye.Can reach suitable technical progress property and practicality; And has an extensive value on the industry; It has advantage at least: when being installed in electronic goods such as mobile computer or flat computer when this radiator fan; But this top board and those flabellums of the housing of these free end block electrons commodity of this fixed leg or keyboard or this impeller of panel compressing, avoiding causing this radiator fan to damage can't the normal rotation heat radiation.
Above-mentioned explanation only is the general introduction of the utility model technical scheme; In order more to know the technological means of understanding the utility model; And can implement according to the content of instructions, and for let the above-mentioned of the utility model with other purpose, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
Fig. 1 is first embodiment according to the utility model, a kind of exploded perspective view of radiator fan.
Fig. 2 is first embodiment according to the utility model, the view sub-anatomy of this radiator fan.
Fig. 3 is first embodiment according to the utility model, the cut-open view of this radiator fan.
Fig. 4 is first embodiment according to the utility model, and this radiator fan is installed in the cut-open view of a mobile computer.
Fig. 5 is second embodiment according to the utility model, a kind of cut-open view of radiator fan.
Fig. 6 is second embodiment according to the utility model, and this radiator fan is installed in the cut-open view of a flat computer.
Fig. 7 is the cut-open view of existing convention radiator fan.
10: radiator fan 11: impeller
20: electronic goods 21: housing
100: radiator fan 110: the hollow staving
111: base plate 111a: upper surface
111b: lower surface 111c: interval protuberance
112: ringwall 113: accommodation space
120: fixed leg 121: stiff end
122: free end 122a: upper projecting face
130: stator
140: impeller 141: top board
141a: bottom surface 141b: end face
142: outer ring wall 143: interior ringwall
145: perforation 145a: first opening
145b: second opens 145c: passage
145d: stop part 145e: center pit
146: ringshaped magnet 147: flabellum
149: the second storage tanks of 148: the first storage tanks
150: bearing 151: combine wall outward
152: combined hole 153: interior combination wall
160: support plate 161: plug socket
162: spliced eye 163: air vent
160A: housing
170: circuit board 180: packing ring
190: locating part
200 mobile computers 210: drain pan
220: keyboard 221: root edge
300: flat computer 310: drain pan
320: contact panel
A: external diameter B: internal diameter
C: first inside diameter D: second internal diameter
E: external diameter
G1: the first spacing G2: heat radiation spacing
G3: the second spacing W: heat dissipation channel
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked; Below in conjunction with accompanying drawing and preferred embodiment; To its embodiment of radiator fan, structure, characteristic and the effect thereof that proposes according to the utility model, specify as after.See also Fig. 1, Fig. 2 and Fig. 3, it is first embodiment of the utility model, and it comprises a hollow staving 110, a fixed leg 120, a stator 130, an impeller 140, a bearing 150, a support plate 160 and a circuit board 170 a kind of radiator fan 100, and this hollow staving 110 has a base plate 111 and a ringwall 112, and this base plate 111 has a upper surface 111a and a lower surface 111b; This ringwall 112 is arranged at this upper surface 111a of this base plate 111 and forms an accommodation space 113 with this base plate 111, and this fixed leg 120 has a stiff end 121 and a free end 122, and this fixed leg 120 is fixed in this hollow staving 110, sees also Fig. 2; This fixed leg 120 is fixed in this base plate 111 of this hollow staving 110 with this stiff end 121, and this free end 122 protrudes from this ringwall 112 of this hollow staving 110, and this free end 122 has a upper projecting face 122a, and this fixed leg 120 has an outer diameter A; This stator is established this ringwall 112 peripheries for 130 groups, and this impeller 140 has perforation 145, a ringshaped magnet 146 and a plurality of flabellum 147 that is convexly set in this outer ring wall 142 that ringwall 143, in a top board 141, the outer ring wall 142, runs through this top board 141, sees also Fig. 1 and Fig. 2, and this perforation 145 has one first opening 145a, one second opening 145b, a passage 145c and an internal diameter B; The internal diameter B of this perforation 145 is greater than this outer diameter A of this fixed leg 120, and this passage 145c is between this first opening 145a and this second opening 145b, and this top board 141 has a bottom surface 141a and an end face 141b, and this first opening 145a of this perforation 145 is positioned at this bottom surface 141a; This second opening 145b is positioned at this end face 141b, and this perforation 145 of this impeller 140 in the present embodiment has a stop part 145d in addition, and this stop part 145d is convexly set in this passage 145c of this perforation 145, and this stop part 145d comprises a center pit 145e; This center pit 145 has one first internal diameter C, and this outer ring wall 142 is arranged at this bottom surface 141a of this top board 141, and this outer ring wall 142 is formed with one first storage tank 148 with this top board 141, and ringwall 143 also is arranged at this bottom surface 141a of this top board 141 in this; And ringwall 143 be formed with one second storage tank 149 with this top board 141 in being somebody's turn to do, and ringwall 143 is arranged in this first storage tank 148 in this, and was somebody's turn to do this first opening 145a of interior ringwall 143 around this perforation 145, and this first opening 145a is communicated with this second storage tank 149 and this passage 145c; This ringshaped magnet 146 is arranged at this first storage tank 148 and is incorporated into this outer ring wall 142, and this bearing 150 is arranged in this second storage tank 149, and this bearing 150 has outer wall 151, a combined hole 152 and the interior wall 153 that combines of combining, and this combined hole 152 has one second inside diameter D; Wherein this first internal diameter C of this center pit 145 is not less than this second inside diameter D of this combined hole 152, and this bearing 150 is incorporated into ringwall 143 in this with this outer wall 151 that combines, and sees also Fig. 2 and Fig. 3, this this hollow staving 110 of impeller 140 cover caps and this stator 130; Should in ringwall 143 be placed in this accommodation space 113 of this hollow staving 110, and this ringwall 112 of this hollow staving 110 and this stator 130 the outer ring wall 142 of this impeller 140 with this between the ringwall 143, and 146 pairs of this ringshaped magnets should stator 130, sees also Fig. 2; This radiator fan 100 comprises a packing ring 180 and a locating part 190 in addition, and this fixed leg 120 runs through this packing ring 180, sees also Fig. 3, and this fixed leg 120 runs through this combined hole 152 and this perforation 145 of this bearing 150; And this fixed leg 120 is incorporated in being somebody's turn to do of this bearing 150 and combines wall 153, and this free end 122 of this fixed leg 120 protrudes from this end face 141b of this top board 141 of this impeller 140, and has one first spacing G1 between this end face 141b of this upper projecting face 122a of this free end 122 and this top board 141, and this packing ring 180 is between this base plate 111 of this bearing 150 and this hollow staving 110; And these packing ring 180 this bearing 150 of contact and this base plates 111, this locating part 190 is arranged at this free end 122 of this fixed leg 120, and in the present embodiment, this locating part 190 is placed in this perforation 145 of this impeller 140; And be positioned at this stop part 145d top, the external diameter E of this locating part 190 is not less than this first internal diameter C of this center pit 145e of this stop part 145d, and it can avoid this impeller 140 to break away from these fixed legs 120, and this support plate 160 has the air vent 163 that spliced eye 162 and that a plug socket 161, is positioned at this plug socket 161 runs through this support plate 160; In the present embodiment, this spliced eye 162 runs through this support plate 160, and this hollow staving is established for 110 groups and is fixed in this spliced eye 162, in addition; This lower surface 111b of this base plate 111 of this hollow staving 110 convexes with an interval protuberance 111c, and this interval protuberance 111c protrudes from the bottom of this support plate 160, so that 160 of this interval protuberance 111c and this support plates have a heat radiation spacing G2, this heat radiation spacing G 2 is not more than this first spacing G1; This circuit board 170 electrically connects this stator 130, and to drive this impeller 140 rotation starts, this circuit board is established these ringwall 112 peripheral perhaps these circuit boards 170 for 170 groups and also can be arranged at this support plate 160 in the present embodiment, to reduce the height of this radiator fan 100.
Deserving this radiator fan 100 can be set between the upper shell and lower house of electronic goods such as mobile computer or flat computer; See also Fig. 4; Being installed in a mobile computer 200 with this radiator fan 100 is example; This radiator fan 100 is installed between the drain pan 210 and a keyboard 220 of this mobile computer 200, and this impeller 140 is by these stator 130 driven in rotation, when the user knocks this keyboard 220; This upper projecting face 122a of one root edge, 221 these fixed legs 120 of conflict of this keyboard 220; Avoiding this top board 141 and those flabellums 146 of this keyboard 220 these impellers 140 of compressing, can't the normal rotation heat radiation and cause this radiator fan 100 to damage, in addition since this radiator fan 100 be installed between this drain pan 210 and this keyboard 220 of this mobile computer 200; Therefore this air vent 163 of this support plate 160 forms a heat dissipation channel W with this heat radiation spacing G2; When this radiator fan 100 rotated, the air in this mobile computer 200 can form convection current by the air outside this radiating channel W and this mobile computer 200, with temperature in this mobile computer 200 of effective reduction.
See also Fig. 5; It is second embodiment of the utility model; It comprises a hollow staving 110, a fixed leg 120, a stator 130, an impeller 140, a bearing 150, a support plate 160, a circuit board 170, a packing ring 180 and a locating part 190 a kind of radiator fan 100; Its is in this radiator fan 100 different with second embodiment comprises a housing 160A in addition; This free end 122 of this fixed leg 120 protrudes from this housing 160A, and has one second spacing G 3 between this upper projecting face 122a of this free end 122 and this housing 160A, and this second spacing G 3 is less than this first spacing G1.
See also Fig. 6; Being installed in a flat computer 300 with this radiator fan 100 is example; This radiator fan 100 is installed between the drain pan 310 and a contact panel 320 of this mobile computer 300; When the user presses this contact panel 320; This upper projecting face 122a that the one side of this contact panel 320 is conflicted this fixed leg 120 oppresses this housing 160A, this top board 141 and those flabellums 146 of these impellers 140 to avoid this contact panel 320, can't the normal rotation heat radiation and cause this radiator fan 100 to damage.
The above; It only is the preferred embodiment of the utility model; Not being that the utility model is done any pro forma restriction, though the utility model with the preferred embodiment exposure as above, yet is not in order to limit the utility model; Anyly be familiar with the professional and technical personnel; In not breaking away from the utility model technical scheme scope, make a little change or be modified to the equivalent embodiment of equivalent variations when the technology contents of above-mentioned announcement capable of using, be the content that does not break away from the utility model technical scheme in every case;, all still belong in the scope of the utility model technical scheme any simple modification, equivalent variations and modification that above embodiment did according to the technical spirit of the utility model.
Claims (10)
1. radiator fan is characterized in that comprising:
One hollow staving has a base plate and a ringwall, and this ringwall is located on this base plate and forms an accommodation space with this base plate;
One fixed leg has a stiff end and a free end, and this stiff end is fixed in this base plate of this hollow staving, and this free end protrudes from this ringwall, and this free end has a upper projecting face;
One stator is mounted on this ringwall periphery;
One impeller; Have ringwall, in the top board, an outer ring wall, and run through the perforation and a ringshaped magnet of this top board; This top board has a bottom surface and an end face, and this outer ring wall is arranged at this bottom surface of this top board and is formed with one first storage tank, and ringwall is arranged at this bottom surface of this top board and is formed with one second storage tank in this; Should be arranged in this first storage tank and center on this perforation by interior ringwall; This hollow staving of this impeller cover cap and this stator, ringwall is placed in this accommodation space of this hollow staving in this, and this ringwall of this hollow staving and this stator this outer ring wall with this between the ringwall;
One bearing; Be arranged in this second storage tank, this bearing has a combined hole, and this fixed leg runs through the perforation of this combined hole and this impeller; This free end of this fixed leg protrudes from this end face of this top board, and has one first spacing between this free-ended this upper projecting face and this end face; And
One support plate, it has a spliced eye, and this hollow staving group is established and is fixed in this spliced eye.
2. radiator fan as claimed in claim 1; It is characterized in that this perforation has one first opening, one second opening and a passage; The internal diameter of this perforation is greater than the external diameter of this fixed leg, and this first opening and this second opening lay respectively at the bottom surface and the end face of this top board, and this passage is between this first opening and this second opening; And the interior ringwall of this impeller is around this first opening of this perforation, this second storage tank of this first open communication and this passage.
3. radiator fan as claimed in claim 2 is characterized in that this perforation of this impeller has a stop part in addition, and this stop part is convexly set in this passage of this perforation.
4. radiator fan as claimed in claim 3 is characterized in that this stop part comprises a center pit, and this center pit has one first internal diameter, and this combined hole of this bearing has one second internal diameter, and this first internal diameter is not less than this second internal diameter.
5. according to claim 1 or claim 2 radiator fan is characterized in that comprising in addition a packing ring, and this fixed leg runs through this packing ring, and this packing ring is between this base plate of this bearing and this hollow staving, and this this bearing of packing ring contact.
6. according to claim 1 or claim 2 radiator fan is characterized in that comprising in addition a locating part, and this locating part is arranged at this free end of this fixed leg.
7. radiator fan as claimed in claim 4; It is characterized in that comprising in addition a locating part, this locating part is arranged at this free end of this fixed leg, and this locating part is placed in this perforation of this impeller; And be positioned at this stop part top, the external diameter of this locating part is not less than this first internal diameter of this center pit.
8. according to claim 1 or claim 2 radiator fan; This base plate that it is characterized in that this hollow staving has a upper surface and a lower surface; This lower surface of this base plate convexes with an interval protuberance, and this interval protuberance protrudes from this support plate, has a heat radiation spacing between this interval protuberance and this support plate.
9. radiator fan as claimed in claim 8, it is characterized in that this support plate have in addition one run through this support plate air vent, this air vent and this heat radiation spacing form a heat dissipation channel, and this heat radiation spacing is not more than this first spacing.
10. according to claim 1 or claim 2 radiator fan is characterized in that including in addition a housing, has one second spacing between this free-ended this upper projecting face and this housing, and this second spacing is less than this first spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201982786U CN202126658U (en) | 2011-06-09 | 2011-06-09 | Cooling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201982786U CN202126658U (en) | 2011-06-09 | 2011-06-09 | Cooling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202126658U true CN202126658U (en) | 2012-01-25 |
Family
ID=45489724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201982786U Expired - Fee Related CN202126658U (en) | 2011-06-09 | 2011-06-09 | Cooling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202126658U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671158A (en) * | 2012-09-19 | 2014-03-26 | 协禧电机股份有限公司 | Fan structure |
| CN109792853A (en) * | 2016-09-06 | 2019-05-21 | 苹果公司 | Electronic equipment with cooling fan |
-
2011
- 2011-06-09 CN CN2011201982786U patent/CN202126658U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671158A (en) * | 2012-09-19 | 2014-03-26 | 协禧电机股份有限公司 | Fan structure |
| CN109792853A (en) * | 2016-09-06 | 2019-05-21 | 苹果公司 | Electronic equipment with cooling fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xiexi Micro-Electromechanical Technology (Kunshan) Co., Ltd. Assignor: Xiexi Motor Co., Ltd. Contract record no.: 2013990000405 Denomination of utility model: Back flow free low-noise radiation fan for computer Granted publication date: 20120125 License type: Exclusive License Record date: 20130717 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120125 Termination date: 20160609 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |