CN204664139U - A kind of powder metallurgy oil-impregnated bearing increasing oil reserve - Google Patents
A kind of powder metallurgy oil-impregnated bearing increasing oil reserve Download PDFInfo
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- CN204664139U CN204664139U CN201520264745.9U CN201520264745U CN204664139U CN 204664139 U CN204664139 U CN 204664139U CN 201520264745 U CN201520264745 U CN 201520264745U CN 204664139 U CN204664139 U CN 204664139U
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- oil
- guide slot
- center hole
- end surface
- powder metallurgy
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Abstract
The utility model discloses a kind of powder metallurgy oil-impregnated bearing increasing oil reserve, the powder metallurgy oil-impregnated bearing increasing oil reserve comprises a body, this body is a hollow circular cylinder, it has the center hole of an axis, described outside is provided with the pore of some oil storage blind slots for increasing oil reserve and some through oil storage blind slots and center hole, and the port of this oil storage blind slot extends to the lower end surface of body.And because oil storage blind slot is not being communicated with the upper-end surface of body, can avoid storing the lubricant oil be in oil storage blind slot be like this discharged into upper-end surface and cause the too fast loss of lubricant oil, to such an extent as to be stored in the pore of the lubricant oil in oil storage blind slot by body interior under the effect of pressure reduction and be released slowly into center bore inner wall, and infiltrate the position that center hole coordinates with rotating shaft, the lubrication time that bearing has lubricant oil can be increased, thus noise and frictional force can be reduced, improve working efficiency and the working life of radiation fan.
Description
Technical field:
The utility model relates to bearing products technical field, refers in particular to a kind of powder metallurgy oil-impregnated bearing increasing oil reserve.
Background technique:
Bearing is in mechanical transmission course, play parts that are fixing and reduction load friction factor, bearing is a kind of very important component in contemporary machinery, its major function is supported mechanical solid of rotation, in order to reduce the mechanical load friction factor of equipment in transmission process.
Radiation fan is electronic product (as computer etc.) requisite parts, existing radiation fan generally comprises: housing, the bearing be installed on housing, stator, flabellum and the rotor coordinated with flabellum, wherein, rotor is positioned at stator peripheral, wherein, have a newel in this housing, this bearing is installed in this newel, and flabellum is installed on bearing by a rotating shaft.Smoothly operate to enable fan, bearing is that rotating shaft provides support and lubrication, so, lubricant oil is provided with between bearing and rotating shaft, when fan turns, produce centrifugal force, the noise produced between rotating shaft and bearing when the lubricant oil be stored between rotating shaft and bearing is undertaken being thrown out of lubricating to reduce radiation fan rotation and frictional force.But because rotating shaft and bearing rub for a long time, lubricant oil is by high temperature and volatilizing, and even rotten, the lubricating function of bearing like this can be greatly reduced, What is more can cause rotating shaft and bearing stuck, and reduce reliability and the working life of fan.
In view of this, the present inventor proposes following technological scheme.
Model utility content:
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of powder metallurgy oil-impregnated bearing increasing oil reserve.
In order to solve the problems of the technologies described above, the utility model have employed following technical proposals: the powder metallurgy oil-impregnated bearing of this increase oil reserve comprises a body, this body is a hollow circular cylinder, it has the center hole of an axis, described outside is provided with the pore of some oil storage blind slots for increasing oil reserve and some through oil storage blind slots and center hole, and the port of this oil storage blind slot extends to the lower end surface of body.
Furthermore, in technique scheme, described body upper-end surface and lower end surface are respectively arranged with some the first oil guide slot and the second oil guide slot that are all communicated with described center hole; This this outside is also provided with some axial grooves, and this groove both ends open is communicated with the first oil guide slot and the second oil guide slot respectively.
Furthermore, in technique scheme, described oil storage blind slot and groove are alternately distributed in described outside, and the width of oil storage blind slot is greater than the width of groove.
Furthermore, in technique scheme, between described first oil guide slot, groove, the second oil guide slot and center hole, form the circulation canal following bad flowing for lubricant oil.
Furthermore, in technique scheme, described body lower end surface is provided with the first circular groove, and this first annular slot in described center hole port peripheral, and is communicated with described second oil guide slot.
Furthermore, in technique scheme, described body lower end surface is provided with the second circular groove, and this second circular groove is positioned at described center hole port peripheral, and is communicated with described first oil guide slot.
Furthermore, in technique scheme, described body is respectively arranged with rounded corner in center hole two-port.
Furthermore, in technique scheme, described first oil guide slot and the second oil guide slot all curved.
Furthermore, in technique scheme, described first oil guide slot and the second oil guide slot are spirally distributed in upper-end surface and the lower end surface of body respectively.
After adopting technique scheme, the utility model has following beneficial effect compared with prior art: the utility model is installed on after in the pedestal of radiation fan, centrifugal force can be produced in the process that radiation fan rotates, lubricant oil then can flow out from the groove of body periphery, flow through the second oil guide slot successively, after gap between center hole and rotating shaft and the first oil guide slot, again flow into groove, to form a circulation, therefore, the utility model can circulate Oil Guide, so that the lubrication effect that can effectively improve between rotating shaft, reduce the noise and frictional force that produce between rotating shaft, improve working efficiency and the working life of radiation fan.In addition, closely conflicted in the lower end surface of body, so that oil storage blind slot could not be communicated with center hole by the upper and lower end face of body, oil storage blind slot position just defines a relatively independent closed oil storage space, can avoid storing the lubricant oil be in oil storage blind slot be like this discharged into upper-end surface and cause the too fast loss of lubricant oil, be stored in the lubricant oil in oil storage blind slot simultaneously, under the temperature rise effect produced when fan running, produce high pressure, and now the oil film pressure of center hole is relatively low, between oil storage blind slot and center hole, just define a pressure reduction from high to low like this; Under the effect of pressure reduction, lubricant oil in oil storage blind slot is released slowly into center bore inner wall by the pore of body interior, and infiltrate the position that center hole coordinates with rotating shaft, the lubrication time that bearing has lubricant oil can be increased, thus noise and frictional force can be reduced, improve working efficiency and the working life of radiation fan.
Accompanying drawing illustrates:
Fig. 1 is the stereogram of the utility model embodiment one;
Fig. 2 is the stereogram at another visual angle of the utility model embodiment one;
Fig. 3 is the stereogram of the utility model embodiment two;
Fig. 4 is the stereogram at another visual angle of the utility model embodiment two;
Fig. 5 is the stereogram of the utility model embodiment three;
Fig. 6 is the stereogram at another visual angle of the utility model embodiment three;
Fig. 7 is the plan view of the utility model embodiment three;
Fig. 8 is the worm's eye view of the utility model embodiment three;
Fig. 9 is the erection drawing of the pedestal of the utility model embodiment three and radiation fan.
Embodiment:
Below in conjunction with specific embodiments and the drawings, the utility model is further illustrated.
Embodiment one:
See shown in Fig. 1-2, for a kind of powder metallurgy oil-impregnated bearing increasing oil reserve, it comprises a body 1, this body 1 is a hollow circular cylinder, it has the center hole 11 of an axis, described body 1 outer side surface is provided with the pore of some oil storage blind slots 12 for increasing oil reserve and some through oil storage blind slots 12 and center hole 11, and the port of this oil storage blind slot 12 extends to the lower end surface of body 1, and the port of this oil storage blind slot 12 is not communicated with the upper-end surface of body 1.
Described body 1 is respectively arranged with rounded corner in center hole 11 two-port, and this center hole 11 is for the nested installation of rotating shaft of this radiation fan.
Described body 1 upper-end surface and lower end surface are respectively arranged with some the first oil guide slot 13 and the second oil guide slot 14 being all communicated with described center hole 11; This body 1 outer side surface is also provided with some axial grooves 15, this groove 15 both ends open is communicated with the first oil guide slot 13 and the second oil guide slot 14 respectively, wherein, described oil storage blind slot 12 is alternately distributed in described body 1 outer side surface with groove 15, and the width of oil storage blind slot 12 is greater than the width of groove 15.The circulation canal following bad flowing for lubricant oil is formed between described first oil guide slot 13, groove 15, second oil guide slot 14 and center hole 11.This passage is also the path that pressurized gas that rotating shaft produces when being assembled to center hole 11 in bearing is discharged into outside bearing simultaneously.
Described groove 15 not only can play certain scavenging action, also plays connection first oil guide slot 13 and the second oil guide slot 14, the effect refluxed to guide lubrication oil circulation.
Described first oil guide slot 13 and the second oil guide slot 14 all curved, and described first oil guide slot 13 and the second oil guide slot 14 are spirally distributed in upper-end surface and the lower end surface of body 11 respectively, the direction of this first oil guide slot 13 and the second oil guide slot 14 spiral is contrary, can have better Oil Guide effect with this.
Embodiment two:
The difference of the structure of the present embodiment two and the structure of above-described embodiment one is: the structure of the present embodiment two is on the basis of the structure of above-described embodiment one, described body 1 lower end surface is provided with the first circular groove 16, shown in composition graphs 3,4, this first circular groove 16 is positioned at described center hole 11 port peripheral, and is communicated with described second oil guide slot 14.By setting up this first circular groove 16, lubrication effect of the present utility model can be improved.
Embodiment three:
The difference of the structure of the present embodiment three and the structure of above-described embodiment two is: the structure of the present embodiment three is on the basis of the structure of above-described embodiment two, described body 1 lower end surface is provided with the second circular groove 17, shown in composition graphs 5-8, this second circular groove 17 is positioned at described center hole 11 port peripheral, and is communicated with described first oil guide slot 13.By setting up this second circular groove 17, can further improve lubrication effect of the present utility model.
Shown in composition graphs 9, the utility model is installed on after in the pedestal 2 of radiation fan, centrifugal force can be produced in the process that radiation fan rotates, lubricant oil then can flow out from the groove 15 of body 1 periphery, flow through the second oil guide slot 14 successively, after gap between center hole 11 and rotating shaft and the first oil guide slot 13, again flow into groove 15, to form a circulation, therefore, the utility model can circulate Oil Guide, so that the lubrication effect that can effectively improve between rotating shaft, reduce the noise and frictional force that produce between rotating shaft, improve working efficiency and the working life of radiation fan.In addition, the utility model is installed on after in the pedestal 2 of radiation fan, closely conflicted in the lower end surface of body, so that oil storage blind slot could not be communicated with center hole by the upper and lower end face of body, oil storage blind slot position just defines a relatively independent closed oil storage space, can avoid storing the lubricant oil be in oil storage blind slot be like this discharged into upper-end surface and cause the too fast loss of lubricant oil, be stored in the lubricant oil in oil storage blind slot simultaneously, under the temperature rise effect produced when fan running, produce high pressure, and now the oil film pressure of center hole is relatively low, a pressure reduction from high to low is just defined like this between oil storage blind slot and center hole, under the effect of pressure reduction, lubricant oil in oil storage blind slot is released slowly into center hole 11 inwall by the pore of body 1 inside, and infiltrate the position that center hole 11 coordinates with rotating shaft, the lubrication time that bearing has lubricant oil can be increased, thus noise and frictional force can be reduced, improve working efficiency and the working life of radiation fan.
Certainly, the foregoing is only specific embodiment of the utility model, be not limit the utility model practical range, all equivalences done according to structure, feature and principle described in the utility model claim change or modify, and all should be included in the utility model claim.
Claims (9)
1. one kind increases the powder metallurgy oil-impregnated bearing of oil reserve, it comprises a body (1), this body (1) is a hollow circular cylinder, it has the center hole (11) of an axis, it is characterized in that: described body (1) outer side surface is provided with the pore of some oil storage blind slots (12) for increasing oil reserve and some through oil storage blind slots (12) and center hole (11), and the port of this oil storage blind slot (12) extends to the lower end surface of body (1).
2. a kind of powder metallurgy oil-impregnated bearing increasing oil reserve according to claim 1, is characterized in that: described body (1) upper-end surface and lower end surface are respectively arranged with some the first oil guide slot (13) and the second oil guide slot (14) that are all communicated with described center hole (11); This body (1) outer side surface is also provided with some axial grooves (15), and this groove (15) both ends open is communicated with the first oil guide slot (13) and the second oil guide slot (14) respectively.
3. a kind of powder metallurgy oil-impregnated bearing increasing oil reserve according to claim 2, it is characterized in that: described oil storage blind slot (12) and groove (15) are alternately distributed in described body (1) outer side surface, and the width of oil storage blind slot (12) is greater than the width of groove (15).
4. a kind of powder metallurgy oil-impregnated bearing increasing oil reserve according to claim 2, is characterized in that: form the circulation canal following bad flowing for lubricant oil between described first oil guide slot (13), groove (15), the second oil guide slot (14) and center hole (11).
5. a kind of powder metallurgy oil-impregnated bearing increasing oil reserve according to claim 2, it is characterized in that: described body (1) lower end surface is provided with the first circular groove (16), this first circular groove (16) is positioned at described center hole (11) port peripheral, and is communicated with described second oil guide slot (14).
6. a kind of powder metallurgy oil-impregnated bearing increasing oil reserve according to claim 5, it is characterized in that: described body (1) lower end surface is provided with the second circular groove (17), this second circular groove (17) is positioned at described center hole (11) port peripheral, and is communicated with described first oil guide slot (13).
7. a kind of powder metallurgy oil-impregnated bearing increasing oil reserve according to claim 1-6 any one, is characterized in that: described body (1) is respectively arranged with rounded corner in center hole (11) two-port.
8. a kind of powder metallurgy oil-impregnated bearing increasing oil reserve according to claim 2-6 any one, is characterized in that: described first oil guide slot (13) and the second oil guide slot (14) all curved.
9. a kind of powder metallurgy oil-impregnated bearing increasing oil reserve according to claim 8, is characterized in that: described first oil guide slot (13) and the second oil guide slot (14) are spirally distributed in upper-end surface and the lower end surface of body (11) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520264745.9U CN204664139U (en) | 2015-04-28 | 2015-04-28 | A kind of powder metallurgy oil-impregnated bearing increasing oil reserve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520264745.9U CN204664139U (en) | 2015-04-28 | 2015-04-28 | A kind of powder metallurgy oil-impregnated bearing increasing oil reserve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204664139U true CN204664139U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520264745.9U Expired - Fee Related CN204664139U (en) | 2015-04-28 | 2015-04-28 | A kind of powder metallurgy oil-impregnated bearing increasing oil reserve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI620874B (en) * | 2016-10-24 | 2018-04-11 | 深圳興奇宏科技有限公司 | Bearing structure and heat dissiating fan using the same |
| US10309408B2 (en) | 2016-11-16 | 2019-06-04 | Asia Vital Components (China) Co., Ltd. | Bearing structure and heat dissipating fan using the same |
-
2015
- 2015-04-28 CN CN201520264745.9U patent/CN204664139U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI620874B (en) * | 2016-10-24 | 2018-04-11 | 深圳興奇宏科技有限公司 | Bearing structure and heat dissiating fan using the same |
| US10309408B2 (en) | 2016-11-16 | 2019-06-04 | Asia Vital Components (China) Co., Ltd. | Bearing structure and heat dissipating fan using the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170629 Address after: 523000 Guangdong city of Dongguan Province Huang Town Fushun Village Road No. 1 big hem Patentee after: DONGGUAN CHAMPION ELECTRONIC TECHNOLOGY CO.,LTD. Address before: 523000 Guangdong city of Dongguan Province Huang Town Fushun Village Road No. 1 big hem Patentee before: Zhang Zhengkun |
|
| 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: 20150923 |