CN202690481U - Axis inverting type cooling fan with supporting and oil keeping functions - Google Patents
Axis inverting type cooling fan with supporting and oil keeping functions Download PDFInfo
- Publication number
- CN202690481U CN202690481U CN 201220342703 CN201220342703U CN202690481U CN 202690481 U CN202690481 U CN 202690481U CN 201220342703 CN201220342703 CN 201220342703 CN 201220342703 U CN201220342703 U CN 201220342703U CN 202690481 U CN202690481 U CN 202690481U
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- resistant gasket
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Abstract
The utility model discloses an axis inverting type cooling fan with supporting and oil keeping functions. The cooling fan is mainly characterized by comprising a foundation, a stator set, a rotor fan blade set, a through hole, an invert axis, a reducing through section, an annular shoulder, an oil-filled bearing, a first wear-resistant gasket and a second wear-resistance gasket; the foundation comprises a back and an installation surface; the stator set comprises a silicon steel sheet, a coil and a central annular seat; the rotor fan blade set comprises a wheels shell, blades, a shaft cylinder and a magnet ring; the through hole is formed in the center of the top wall of the wheel shell; the invert axis is positioned on the stator set in a combined way, and the end of the invert axis, which is combined with the stator set, is positioned on the central annular seat; a protruded and extended end of the invert axis is set to be in a reducing state, and upward penetrates through a through hole formed on the top wall of the wheel shell to form the reducing through section; the annular shoulder is relatively defined according to the difference of outer diameters of the protruded and extended end of the invert axis and the reducing through section; the oil-filled bearing is assembled and positioned in the shaft cylinder of the wheel shell and is in pivot set matching relationship with the invert axis; and therefore, the axis inverting type cooling fan has the practicability and advancement that the cooling fan has the supporting and oil keeping functions and can keep running smoothly.
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 the end face that the free end of the set fixing column of its stator central authorities protrudes from the 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, vertical between its bearing and the fixing column have coating lubricant oil, will be in the impeller operation process upwards runs off and exist along this fixing column gradually to be difficult to protect problem and the scarce fraud that oil, working life shorten.
Therefore, for the existing problem 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 tool to support and protect the inverted radiation fan in axle center of functional oil, and its purpose is that target is innovated breakthrough 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 tool supports and protects the inverted radiation fan in axle center of functional oil, 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, and this binding end is positioned the central ring seat central position of stator pack, protrudes out end and then protrudes out towards the hub roof direction of rotor blade group; One undergauge passes section, holds to be set as the undergauge form and to be upward through by protruding out of inverted axle center to protrude from the set perforation of hub roof top formation; One annular shoulder, protrude out end and undergauge by inverted axle center pass that external diameter difference form between the section is relative to define formation; 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 first wear-resistant gasket is that the link spring shape high-abrasive material consists of, and is that drive fit state group cover is positioned that undergauge passes the section periphery and downwardly against in annular shoulder; One second wear-resistant gasket, be by sandwiched form group and set between oil-impregnated bearing and hub roof, this second wear-resistant gasket is a ring slice form and comprises a central open-work, this central authorities' open-work can pass section for undergauge and pass, and the position that central open-work is closed in the second wear-resistant gasket bottom then contacts with the first wear-resistant gasket.
Related content in the technique scheme is explained as follows:
1. in the such scheme, can utilize this undergauge to pass the section generation to the structural strengthening effect of upper support, prevent the easily safeguard function of fail in compression of rotor blade group to reach, and can cooperate the second wear-resistant gasket, the first wear-resistant gasket to form oil resistance and the effect that reduces abrasion by this set annular shoulder in inverted axle center, prevent make progress guarantor's functional oil of seepage of lubricant oil to reach
2. in the such scheme, described undergauge passes the inverted axle center that the section group is provided with the first wear-resistant gasket and the second wear-resistant gasket, and is provided with a ring groove in a height and position place, and this ring groove arrange the height corresponding with oil-impregnated bearing bottom height and position; Bottom position place and group are established and are positioned with a spacing ring body in the 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, contact form for ring plain between described the first wear-resistant gasket and the second wear-resistant gasket.
4. in the such scheme, described the first wear-resistant gasket is the circular cross section form, consists of between this first wear-resistant gasket and the second wear-resistant gasket to contact for ring-type is linear.
5. in the such scheme, described the first wear-resistant gasket, the second wear-resistant gasket are let alone middle one and are made as the ring plain form, in addition wherein the corresponding position of one has then extended to form a ring flange, and to consist of between this first wear-resistant gasket and the second wear-resistant gasket be that ring-type is linear contacts.
6. 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 restraining groove, and and restraining groove between maintain axial spacing.
Working principle of the present utility model and advantage are as follows: a kind of tool of the utility model supports and protects the inverted radiation fan in axle center of functional oil, mainly offer perforation by these hub roof central authorities, and inverted axle center protrudes out end and is provided with undergauge and passes section and protrude from hub roof top, and inverted axle center forms described annular shoulder, and group is established described the second wear-resistant gasket etc. and is innovated whereby unique texture design between collocation oil-impregnated bearing and the hub roof, make against existing technologies structure of the utility model, can utilize this undergauge to pass the section generation to the structural strengthening effect of upper support, prevent the easily safeguard function of fail in compression of rotor blade group to reach, and can cooperate the second wear-resistant gasket by this set annular shoulder in inverted axle center, the first wear-resistant gasket forms oil resistance and the effect that reduces abrasion, with reach prevent lubricant oil make progress seepage guarantor's functional oil and keep the practical improvement such as the smooth and easy state of running.
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 supports and protects the use view of functional oil for the utility model tool;
Accompanying drawing 4 is another enforcement illustration of the utility model the first wear-resistant gasket form;
Accompanying drawing 5 is another enforcement illustration of the utility model the second wear-resistant gasket form.
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; 313. roof; 315. ring wall; 31. hub; 32. blade; 33. beam barrel; 34. magnet ring; 40. perforation; 50. inverted axle center; 51. binding end; 52. protrude out end; 53. undergauge passes section; 54. annular shoulder; 55. ring groove; 56. spacing ring body; 60. oil-impregnated bearing; 71. the first wear-resistant gasket; 71B. the first wear-resistant gasket; 72. the second wear-resistant gasket; 72B. the second wear-resistant gasket; 720. central open-work; 721. ring flange; 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 tool supports and protects the inverted radiation fan in axle center of functional oil, 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;
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, protrudes out 52 hub 31 roofs 313 directions towards rotor blade group 30 of end and protrudes out;
One undergauge passes section 53, and the end 52 that protrudes out by inverted axle center 50 is set as the undergauge form and is upward through and protrudes from hub 31 roofs 313 set perforation 40 tops and consist of;
One annular shoulder 54, protrude out end 52 and undergauge by inverted axle center 50 pass that external diameter difference form between the section 54 is relative to define formation;
One oil-impregnated bearing 60, group is set the beam barrel 33 be positioned at hub 31, and the closing relation of pivot assembly that is between the end 52 (that is formation oil-impregnated bearing 60 can rotate in inverted axle center 50 peripheries state) that protrudes out in this oil-impregnated bearing 60 and inverted axle center 50;
One first wear-resistant gasket 71 is that the link spring shape high-abrasive material consists of, and is that drive fit state group cover is positioned that undergauge passes section 53 peripheries and downwardly against in annular shoulder 54;
One second wear-resistant gasket 72, be by sandwiched form group and set between oil-impregnated bearing 60 and hub 31 roofs 313, this second wear-resistant gasket 72 is a ring slice form and comprises a central open-work 720, this central authorities' open-work 720 can pass section 53 for undergauge and pass, and the position that central open-work 720 is closed in the second wear-resistant gasket 72 bottoms then contacts with the first wear-resistant gasket 71.
Form design by said structure, take off such as Fig. 3, in the inverted radiation fan A use of described axle center, can utilize this inverted axle center 50 to protrude out end 52 set undergauges and pass a kind of structural strengthening effect to upper support of section 53 generations; 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 it is the forms that protrude from hub 31 roofs 313 that this undergauge passes section 53, 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, reach with this and prevent rotor blade group 30 easily pressurized and the safeguard function that damages; On the other hand, the utility model also can cooperate the second wear-resistant gasket 72 by these inverted axle center 50 set annular shoulders 54, the first wear-resistant gasket 71 forms the oil resistance effect, 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, repeatedly lean against technical characteristics on the annular shoulder 54 by this second wear-resistant gasket 72 and the first wear-resistant gasket 71, so that the lubricant oil that upwards flows can't continue upwards, but the state that turns to the outside to turn back and reflux along the second wear-resistant gasket 72 and 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, close on position and the first wear-resistant gasket 71 contacted technical characteristicss of central open-work 720 by these the second wear-resistant gasket 72 bottoms, because the undergauge that the first wear-resistant gasket 71 is cover groups is positioned inverted axle center 50 passes section 53 and is and locates not rotary state, 72 of this second wear-resistant gaskets are to follow the state that rotor blade group 30 is rotated, so setting of the first wear-resistant gasket 71, can in the second wear-resistant gasket 72 rotation processes, provide one wear-resisting, the contact breasting interface of low coefficient of friction reduces abrasion to reach, turn round more smooth and easy, prolong advantage and effects such as protecting the functional oil life-span.
Shown in Fig. 2,3, this undergauge passes this inverted axle center 50 that the section group is provided with the first wear-resistant gasket 71 and the second wear-resistant gasket 72, and can be provided with a ring groove 55 in a height and position place, and this ring groove 55 arrange the height corresponding with oil-impregnated bearing 60 bottom height and positions.The ring-type indent form of described ring groove 55 also can produce suitable oil-containing gain effect, makes guarantor's oil effect of the utility model institute demand promote again.And for example shown in Fig. 1～3, the beam barrel 33 interior bottom position places of this hub 31 also can organize to establish and be positioned with a spacing ring body 56, and this spacing ring body 56 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.
Wherein, can be ring plain between this first wear-resistant gasket 71 and the second wear-resistant gasket 72 and contact form person (shown in 1～3).
For another shown in Figure 4, it is the circular cross section form that this example is taken off the first wear-resistant gasket 71B, contacts for ring-type is linear therefore consist of between this first wear-resistant gasket 71B and the second wear-resistant gasket 72.
This first wear-resistant gasket 71, the second wear-resistant gasket 72B let alone middle one and can be made as the ring plain form again, in addition wherein the corresponding position of one has then extended to form a ring flange 721, contacts as ring-type is linear between this consists of this first wear-resistant gasket 71 and the second wear-resistant gasket 72B; This specifically as shown in Figure 5, in this example, this first wear-resistant gasket 71 is made as the ring plain form, the position that central open-work 720 is closed in this second wear-resistant gasket 72B bottom has then extended to form a ring flange 721 downwards, and to consist of between this first wear-resistant gasket 71 and the second wear-resistant gasket 72B be that ring-type is linear contacts.
Fig. 4,5 take off embodiment and take off embodiment compared to Fig. 1～3, and the effect that further reduces again friction factor between the first wear-resistant gasket 71B and the second wear-resistant gasket 72 is arranged.
And for example 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 with this.
The effect explanation:
A kind of tool of the utility model supports and protects the inverted radiation fan in axle center of functional oil, mainly offer perforation by these hub roof central authorities, and inverted axle center protrudes out end and is provided with undergauge and passes section and protrude from hub roof top, and inverted axle center forms described annular shoulder, and group is established described the second wear-resistant gasket etc. and is innovated whereby unique texture design between collocation oil-impregnated bearing and the hub roof, make against existing technologies structure of the utility model, can utilize this undergauge to pass the section generation to the structural strengthening effect of upper support, prevent the easily safeguard function of fail in compression of rotor blade group to reach, and can cooperate the second wear-resistant gasket by this set annular shoulder in inverted axle center, the first wear-resistant gasket forms oil resistance and the effect that reduces abrasion, with reach prevent lubricant oil make progress seepage guarantor's functional oil and keep the practical improvement such as the smooth and easy state of running.
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. a tool supports and protects the inverted radiation fan in axle center of functional oil, 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, and this binding end is positioned the central ring seat central position of stator pack, protrudes out end and then protrudes out towards the hub roof direction of rotor blade group;
One undergauge passes section, holds to be set as the undergauge form and to be upward through by protruding out of inverted axle center to protrude from the set perforation of hub roof top formation;
One annular shoulder, protrude out end and undergauge by inverted axle center pass that external diameter difference form between the section is relative to define formation;
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 first wear-resistant gasket is that the link spring shape high-abrasive material consists of, and is that drive fit state group cover is positioned that undergauge passes the section periphery and downwardly against in annular shoulder;
One second wear-resistant gasket, be by sandwiched form group and set between oil-impregnated bearing and hub roof, this second wear-resistant gasket is a ring slice form and comprises a central open-work, this central authorities' open-work can pass section for undergauge and pass, and the position that central open-work is closed in the second wear-resistant gasket bottom then contacts with the first wear-resistant gasket.
2. radiation fan according to claim 1, it is characterized in that: described undergauge passes the inverted axle center that the section group is provided with the first wear-resistant gasket and the second wear-resistant gasket, and be provided with a ring groove in a height and position place, and this ring groove that height is set is corresponding with oil-impregnated bearing bottom height and position; Bottom position place and group are established and are positioned with a spacing ring body in the 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: contact form for ring plain between described the first wear-resistant gasket and the second wear-resistant gasket.
4. radiation fan according to claim 1 and 2, it is characterized in that: described the first wear-resistant gasket is the circular cross section form, consists of between this first wear-resistant gasket and the second wear-resistant gasket to contact for ring-type is linear.
5. radiation fan according to claim 1 and 2, it is characterized in that: described the first wear-resistant gasket, the second wear-resistant gasket are let alone middle one and are made as the ring plain form, in addition wherein the corresponding position of one has then extended to form a ring flange, and to consist of between this first wear-resistant gasket and the second wear-resistant gasket be that ring-type is linear contacts.
6. 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 restraining groove, and and restraining groove between maintain axial spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220342703 CN202690481U (en) | 2012-07-16 | 2012-07-16 | Axis inverting type cooling fan with supporting and oil keeping functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220342703 CN202690481U (en) | 2012-07-16 | 2012-07-16 | Axis inverting type cooling fan with supporting and oil keeping functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202690481U true CN202690481U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220342703 Expired - Fee Related CN202690481U (en) | 2012-07-16 | 2012-07-16 | Axis inverting type cooling fan with supporting and oil keeping functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202690481U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102218A (en) * | 2019-11-21 | 2020-05-05 | 浙江同济科技职业学院 | Computer cooling fan system |
-
2012
- 2012-07-16 CN CN 201220342703 patent/CN202690481U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102218A (en) * | 2019-11-21 | 2020-05-05 | 浙江同济科技职业学院 | Computer cooling fan system |
| CN111102218B (en) * | 2019-11-21 | 2021-06-04 | 浙江同济科技职业学院 | Computer cooling fan system |
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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 |
Granted publication date: 20130123 Termination date: 20200716 |
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| CF01 | Termination of patent right due to non-payment of annual fee |