CN202673719U - Axis reversed type cooling fan with support effect and oil protecting effect - Google Patents
Axis reversed type cooling fan with support effect and oil protecting effect Download PDFInfo
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- CN202673719U CN202673719U CN 201220342686 CN201220342686U CN202673719U CN 202673719 U CN202673719 U CN 202673719U CN 201220342686 CN201220342686 CN 201220342686 CN 201220342686 U CN201220342686 U CN 201220342686U CN 202673719 U CN202673719 U CN 202673719U
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Abstract
Provided is an axis reversed type cooling fan with a support effect and an oil protecting effect. The axis reversed type cooling fan with the support effect and the oil protecting effect is characterized by comprising a base, a stator group, a rotor fan blade group, a penetrating hole, a reversed type axis, a oil-containing bearing, and a movable support component. The base is composed of a back surface and a mounting surface, the stator group is composed of a silicon steel sheet, a coiler and a central ring seat, the rotor fan blade group is composed of a wheel shell, blades, a shaft cylinder and a magnet ring, the penetrating hole is arranged in the middle of top wall of the wheel shell, the reversed axis is combined and positioned on the stator group, and the reverse axis is composed of a combing end and a protruding end. The oil-containing bearing is arranged and positioned in a shaft cylinder in combined mode, the movable support component is arranged on the top of the protruding end of the reversed axis, the bottom side of the movable support component abuts against the axis end surface of the protruding end , the top side of the movable support component stretches upwards and protrudes on the penetrating hole of the top wall of the wheel shell, and the maximum diameter is greater than the hole diameter of the penetrating hole. A structure reinforcing function which is produced by the top end of the movable support component and support upwards so as to achieve protection effect that the rotor fan blade group is prevented from being easy to bear and damage, effects such as oil-stopping, oil-maintaining, and abrasion reducing effect and practical advance are achieved through the bottom side of the movable support component.
Description
Technical field
The utility model relates to a kind of radiation fan, refers to especially a kind of inverted radiation fan innovation structure design in the axle center of supporting and protect functional oil that has concurrently.
Background technique
Radiation fan extensively is assembled in the electronic products such as desktop computer, notebook computer, panel computer to produce the usefulness of heat sinking function.
Along with in the product specifications such as present notebook computer, panel computer all take the frivolous trend of considering as design, so that the space that radiation fan is installed in the electronic product structure is quite limited to, the keyboard of radiation fan and electronic product or the distance between the panel are significantly reduced, thus, when knocking or pressing the positions such as keyboard, panel as the user, tend to directly be urged to cooling fan structure, and then cause radiation fan running to be obstructed even to damage and lose the serious problems of heat sinking function; In view of this, then have relevant industry develop some novel cooling fan structures think in response to, its typical existing structure please be joined " radiation fan " new patent case of TaiWan, China letters patent book number M417596 and be taken off, this case is taken off in the cooling fan structure, mainly is to make the free end of the set fixing column of its stator central authorities protrude from the end face of impeller top board; Structural design whereby, the free end of its fixing column can be used to keep out the housing, keyboard or the panel that prevent product and urge the movement means such as the impeller of radiation fan and flabellum, reach the effect of avoiding the radiation fan fail in compression; But this existing structure finds still to exist following problems and scarce fraud in practical application:
In the above-mentioned existing cooling fan structure design, its impeller is established a bounding means (such as C shape button) in the free end of this fixing column again and is continued upwards skew to prevent impeller for to be placed in the set fixing column of stator by single bearing pack; Yet, this existing structure form still is short of perfect oil-containing mechanism and considers, though coating lubricant oil is arranged between its bearing and the fixing column, will be in the impeller operation process upwards running off and exist along this fixing column gradually be difficult to protect problem and the scarce fraud that oil, working life shorten.
Therefore, for the existing problem points of above-mentioned existing cooling fan structure, how to develop a kind of innovation structure that has more desirable practicability, must make great efforts again to research and develop target and the direction of breakthrough for relevant dealer in fact.
In view of this, the inventor this in manufacturing development and the design experiences of being engaged in for many years Related product, for above-mentioned target, in detail after design and the scrupulous assessment, eventually the utility model of a true tool practicability.
Summary of the invention
The utility model provides a kind of having concurrently to support the inverted radiation fan in axle center of protecting oily effect, and it is that target is improved innovation mainly for how developing a kind of inverted cooling fan structure in new-type axle center that has more desirable practicability.
For achieving the above object, the technical solution adopted in the utility model is: a kind of having concurrently supported the inverted radiation fan in axle center of protecting oily effect, the inverted radiation fan in this axle center comprises: a pedestal, comprise a back side and an installment surface, and this installment surface is provided with circuit board; Stator group comprises silicon steel plate, coil and a central ring seat, and this central authorities' ring seat is convexly equipped with and is positioned on the pedestal installment surface, and silicon steel plate and coil then encircle to set and be positioned at central ring seat periphery; One rotor blade group, comprise a hub, spacer ring with roof and ring wall be located at the blade of hub ring wall periphery, downwards be convexly set in hub roof central authorities a beam barrel, be located at a magnet ring of hub ring wall inboard; Wherein this beam barrel protrudes out downwards in the central ring seat that places stator pack, this magnet ring then the interval corresponding to the coil periphery setting of stator pack; One perforation, the hub roof that is opened in the rotor blade group is central; One inverted axle center, be and upwards protrude out combination of shape and state and be positioned on the stator group structure, this inverted axle center comprises that a binding end and protrudes out end, this binding end is positioned the central ring seat central position of stator pack, protruding out end then extends towards the hub roof direction of rotor blade group, this protrudes out the end top and has an axial end, and this axial end position is the interval below perforation; One oil-impregnated bearing, group is set the beam barrel be positioned at hub, and protruding out of this oil-impregnated bearing and inverted axle center is the pivot assembly and closes relation between the end; One rotatable supporting component, place protruding out of inverted axle center to hold on the top, this rotatable supporting component comprises a top side and a bottom side curved or cone contracting shape, this bottom side is resisted against the axial end that protrudes out end, the top side then upwards stretches through and protrudes from the set perforation of hub roof, and the maximum outside diameter of rotatable supporting component must be greater than the aperture of this perforation.
Related content in the technique scheme is explained as follows:
1. in the such scheme, utilize the top side generation of described rotatable supporting component to the structural strengthening effect of upper support, prevent the easily protection effect of fail in compression of rotor blade group to reach, and can form by the bottom side of this rotatable supporting component oil resistance, guarantor's oil and the effect that reduces abrasion.
2. in the such scheme, between the hub roof of described oil-impregnated bearing and rotor blade group and be sandwiched form group and establish and be positioned with a wear-resistant gasket, this wear-resistant gasket is a ring slice form and comprises a central open-work, and this central authorities' open-work can pass for the maximum outside diameter of rotatable supporting component; Bottom position place and group are established and are positioned with a spacing ring body in the set beam barrel of this hub again, and this spacing ring body upwards is resisted against oil-impregnated bearing, this oil-impregnated bearing is produced the auxiliary position-limiting action that props up.
3. in the such scheme, the vertical of the set perforation of hub roof of described rotor blade group is low wide and up narrow cone contracting form to section.
4. in the such scheme, the set perforation of hub roof of described rotor blade group also extends upward formation one convex ring edge, this convex ring edge inboard forms all sides that an arc-shaped limit edge can be enclosed in rotatable supporting component again, so that rotatable supporting component is vertical firmly spacing to reaching laterally all acquisitions.
5. in the such scheme, the central ring seat of described stator pack and the beam barrel opposite position of rotor blade group also are provided with an elasticity clasp ring and a restraining groove, and this elasticity clasp ring ora terminalis stretches in the described restraining groove, and and restraining groove between maintain axial spacing.
6. in the such scheme, described rotatable supporting component is a ball bead.
The utility model working principle and advantage are as follows: a kind of having concurrently of the utility model supported the inverted radiation fan in axle center of protecting oily effect, mainly be provided with described rotatable supporting component by protruding out on the end top of this inverted axle center, the bottom side of this rotatable supporting component is resisted against the axial end that protrudes out end, the innovation unique texture design that the top side then upwards stretches through and protrudes from the set perforation of hub roof, make the utility model structure against existing technologies, can utilize the top side generation of this rotatable supporting component to the structural strengthening effect of upper support, prevent the easily protection effect of fail in compression of rotor blade group to reach, and can form oil resistance by the bottom side of this rotatable supporting component, protect oil and reduce abrasion texts and practical improvement.
Description of drawings
Accompanying drawing 1 is the textural association sectional view of the utility model preferred embodiment;
Accompanying drawing 2 is the partial structurtes view sub-anatomy of the utility model preferred embodiment;
Accompanying drawing 3 is use view of the present utility model;
Accompanying drawing 4 extends upward the enforcement illustration that forms convex ring edge again for the utility model perforation.
In the above accompanying drawing: the inverted radiation fan in A. axle center; 10. pedestal; 11. the back side; 12. installment surface; 13. circuit board; 20. stator pack; 21. silicon steel plate; 22. coil; 23. central ring seat; 30. rotor blade group; 31. hub; 313. roof; 315. ring wall; 32. blade; 33. beam barrel; 34. magnet ring; 35. wear-resistant gasket; 350. central open-work; 40. perforation; 41. convex ring edge; 42. arc-shaped limit edge; 50. inverted axle center; 51. binding end; 52. protrude out end; 521. axial end; 53. spacing ring body; 60. oil-impregnated bearing; 70. rotatable supporting component; 71. top side; 72. bottom side; 80. top board; 90. elasticity clasp ring; 91. restraining groove.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: shown in accompanying drawing 1～3, a kind of having concurrently supported the inverted radiation fan in axle center of protecting oily effect, and the inverted radiation fan A in described axle center comprises:
One pedestal 10 comprises a back side 11 and an installment surface 12, and this installment surface 12 is provided with circuit board 13;
One rotor blade group 30, comprise have roof 313 and a hub 31, the spacer ring of ring wall 315 be located at the blade 32 of hub 31 ring walls 315 peripheries, downwards be convexly set in hub 31 roofs 313 central authorities a beam barrel 33, be located at a magnet ring 34 of hub 31 ring walls 315 inboards; Wherein this beam barrel 33 protrudes out downwards in the central ring seat 23 that places stator pack 20, and 34 intervals of this magnet ring are corresponding to coil 22 peripheral settings of stator pack 20;
One bores a hole 40, is opened in hub 31 roofs 313 central authorities of rotor blade group 30; It is preferred embodiment (in detail as shown in Figure 3) that this perforation 40 vertical established the cone contracting form that is low wide and up narrow to section, but is not limited to this;
One inverted axle center 50, be and upwards protrude out combination of shape and state and be positioned on stator pack 20 structures, this inverted axle center 50 comprises that a binding end 51 and protrudes out end 52, this binding end 51 is positioned central ring seat 23 central positions of stator pack 20, protruding out 52 hub 313 roof directions towards rotor blade group 30 of end extends, this protrudes out end 52 tops and has an axial end 521,521 intervals below perforation of this axial end;
One oil-impregnated bearing 60, group is set the beam barrel 33 be positioned at hub 313, and protruding out of this oil-impregnated bearing 60 and inverted axle center 50 is the pivot assembly between holding 52 and closes relation;
One rotatable supporting component 70, place protruding out of inverted axle center 50 to hold on 52 tops, this rotatable supporting component 70 comprises a top side 71 and a bottom side 72 curved or cone contracting shape, this bottom side 72 is resisted against the axial end 521 that protrudes out end 52,71 of top sides upwards stretch through and protrude from the set perforation 40 of hub 313 roofs, and the maximum outside diameter of rotatable supporting component 70 must be greater than this aperture of 40 of boring a hole; This rotatable supporting component 70 can be a ball bead (such as steel ball) again, and this is preferred embodiment, but is not limited to this.
Form design by said structure, as shown in Figure 3, the inverted radiation fan A in described axle center can utilize these rotatable supporting component 70 set top sides 71 that protrude from hub 313 roofs to produce a kind of structural strengthening effect to upper support in the use; Has a top board 80 such as inverted radiation fan A top, this axle center among Fig. 3, the control panel position that this top board 80 can be notebook computer, when this top board 80 has pressurized (shown in arrow L1) and produces downward etat lacunaire, because the top side 71 of this rotatable supporting component 70 is the forms that protrude from hub 31 roofs 313, so can produce supporting effect to top board 80, make top board 80 can not continue again to sink, allow the operating condition of rotor blade group 30 obtain protection and unaffected, prevent rotor blade group 30 easily pressurized and the safeguard function that damages to reach whereby; On the other hand, the utility model and bottom side 72 that can be by this rotatable supporting component 70 be the form that enlarges of shape gradually from bottom to top, and can produce suitable oil resistance, protect functional oil, this as shown in Figure 3, be the path status signal in upwards flow along inverted axle center 50 in the operation (shown in arrow L2) of the lubricant oil of this oil-impregnated bearing 60, the technical characteristics that more is provided with rotatable supporting component 70 on end 52 tops that protrudes out by this inverted axle center 50, because of the maximum outside diameter of rotatable supporting component 70 greater than the aperture of perforation 40 state that 40 positions seal of will boring a hole, add rotatable supporting component 70 bottom sides 72 from bottom to top gradually shape enlarge the guide function of form, so that the lubricant oil that upwards flows can not continue upwards, but the state that turns to the outside to turn back and reflux along oil-impregnated bearing 60 end faces downwards can reach whereby and prevents lubricant oil make progress guarantor's functional oil and the effect of seepage; Moreover, because the arc of rotatable supporting component 70 or cone contracting shape bottom side 72 and inverted axle center 50 be set to be protruded out to hold and only is point-like between 52 the axial end 521 and contacts, therefore can obtain an assembled state that friction factor is extremely low, impact interference when making 30 running of rotor blade group is down to minimum, reaches the effects such as reduction wears away, running is more smooth and easy.
Shown in Fig. 2,3, between hub 31 roofs 313 of this oil-impregnated bearing 60 and rotor blade group 30 and can be sandwiched form group and establish and be positioned with a wear-resistant gasket 35, this wear-resistant gasket 35 is a ring slice form and comprises a central open-work 350, and this central authorities' open-work 350 can pass for the maximum outside diameter of rotatable supporting component 70; Again, these hub 31 set beam barrels 33 interior bottom position places and group are established and are positioned with a spacing ring body 53, and this spacing ring body 53 upwards is resisted against oil-impregnated bearing 60, so that this oil-impregnated bearing 60 is produced the auxiliary position-limiting action that props up.
Shown in Fig. 2,3, the central ring seat 23 of this stator pack 20 is with beam barrel 33 opposite positions of rotor blade group 30 and can be provided with an elasticity clasp ring 90 and a restraining groove 91, these elasticity clasp ring 90 ora terminalis stretch in the restraining groove 91, and and restraining groove 91 between maintain axial spacing, can produce the anticreep limit effect to this rotor blade group 30 whereby.
Shown in Figure 4 again, hub 31 roofs, the 313 set perforation 40 of this rotor blade group 30 also can extend upward formation one convex ring edge 41, these convex ring edge 41 inboards form all sides that an arc-shaped limit edge 42 can be enclosed in rotatable supporting component 70 again, so that rotatable supporting component 70 is vertical firmly spacing to reaching laterally all acquisitions.
The effect explanation:
A kind of having concurrently of the utility model supported the inverted radiation fan in axle center of protecting oily effect, mainly be provided with described rotatable supporting component by protruding out on the end top of this inverted axle center, the bottom side of this rotatable supporting component is resisted against the axial end that protrudes out end, the innovation unique texture design that the top side then upwards stretches through and protrudes from the set perforation of hub roof, make the utility model structure against existing technologies, can utilize the top side generation of this rotatable supporting component to the structural strengthening effect of upper support, prevent the easily protection effect of fail in compression of rotor blade group to reach, and can form oil resistance by the bottom side of this rotatable supporting component, protect oil and reduce abrasion texts and practical improvement.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (6)
1. one kind has the inverted radiation fan in axle center that supports the oily effect of guarantor concurrently, and it is characterized in that: the inverted radiation fan in this axle center comprises:
One pedestal comprises a back side and an installment surface, and this installment surface is provided with circuit board;
Stator group comprises silicon steel plate, coil and a central ring seat, and this central authorities' ring seat is convexly equipped with and is positioned on the pedestal installment surface, and silicon steel plate and coil then encircle to set and be positioned at central ring seat periphery;
One rotor blade group, comprise a hub, spacer ring with roof and ring wall be located at the blade of hub ring wall periphery, downwards be convexly set in hub roof central authorities a beam barrel, be located at a magnet ring of hub ring wall inboard; Wherein this beam barrel protrudes out downwards in the central ring seat that places stator pack, this magnet ring then the interval corresponding to the coil periphery setting of stator pack;
One perforation, the hub roof that is opened in the rotor blade group is central;
One inverted axle center, be and upwards protrude out combination of shape and state and be positioned on the stator group structure, this inverted axle center comprises that a binding end and protrudes out end, this binding end is positioned the central ring seat central position of stator pack, protruding out end then extends towards the hub roof direction of rotor blade group, this protrudes out the end top and has an axial end, and this axial end position is the interval below perforation;
One oil-impregnated bearing, group is set the beam barrel be positioned at hub, and protruding out of this oil-impregnated bearing and inverted axle center is the pivot assembly and closes relation between the end;
One rotatable supporting component, place protruding out of inverted axle center to hold on the top, this rotatable supporting component comprises a top side and a bottom side curved or cone contracting shape, this bottom side is resisted against the axial end that protrudes out end, the top side then upwards stretches through and protrudes from the set perforation of hub roof, and the maximum outside diameter of rotatable supporting component must be greater than the aperture of this perforation.
2. radiation fan according to claim 1, it is characterized in that: between the hub roof of described oil-impregnated bearing and rotor blade group and be sandwiched form group and establish and be positioned with a wear-resistant gasket, this wear-resistant gasket is a ring slice form and comprises a central open-work, and this central authorities' open-work can pass for the maximum outside diameter of rotatable supporting component; Bottom position place and group are established and are positioned with a spacing ring body in the set beam barrel of this hub again, and this spacing ring body upwards is resisted against oil-impregnated bearing.
3. radiation fan according to claim 1 and 2 is characterized in that: the vertical of the set perforation of hub roof of described rotor blade group is low wide and up narrow cone contracting form to section.
4. radiation fan according to claim 1 and 2, it is characterized in that: the set perforation of hub roof of described rotor blade group also extends upward formation one convex ring edge, and this convex ring edge inboard forms all sides that an arc-shaped limit edge can be enclosed in rotatable supporting component again.
5. radiation fan according to claim 1, it is characterized in that: the central ring seat of described stator pack and the beam barrel opposite position of rotor blade group also are provided with an elasticity clasp ring and a restraining groove, this elasticity clasp ring ora terminalis stretches in the described restraining groove, and and restraining groove between maintain axial spacing.
6. radiation fan according to claim 1 and 2, it is characterized in that: described rotatable supporting component is a ball bead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220342686 CN202673719U (en) | 2012-07-16 | 2012-07-16 | Axis reversed type cooling fan with support effect and oil protecting effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220342686 CN202673719U (en) | 2012-07-16 | 2012-07-16 | Axis reversed type cooling fan with support effect and oil protecting effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202673719U true CN202673719U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220342686 Expired - Fee Related CN202673719U (en) | 2012-07-16 | 2012-07-16 | Axis reversed type cooling fan with support effect and oil protecting effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202673719U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735801A (en) * | 2019-10-22 | 2020-01-31 | 奇鋐科技股份有限公司 | Press-resistant fan structure |
| US11118600B2 (en) | 2019-11-18 | 2021-09-14 | Asia Vital Components Co., Ltd. | Anti-press fan structure |
| WO2023001597A1 (en) * | 2021-07-20 | 2023-01-26 | Koninklijke Philips N.V. | Electrical fan |
-
2012
- 2012-07-16 CN CN 201220342686 patent/CN202673719U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735801A (en) * | 2019-10-22 | 2020-01-31 | 奇鋐科技股份有限公司 | Press-resistant fan structure |
| US11118600B2 (en) | 2019-11-18 | 2021-09-14 | Asia Vital Components Co., Ltd. | Anti-press fan structure |
| WO2023001597A1 (en) * | 2021-07-20 | 2023-01-26 | Koninklijke Philips N.V. | Electrical fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20160716 |