CN210661032U - Dynamic pressure bearing structure - Google Patents
Dynamic pressure bearing structure Download PDFInfo
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- CN210661032U CN210661032U CN201921394857.0U CN201921394857U CN210661032U CN 210661032 U CN210661032 U CN 210661032U CN 201921394857 U CN201921394857 U CN 201921394857U CN 210661032 U CN210661032 U CN 210661032U
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- bearing body
- identification
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- dynamic pressure
- groove
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Abstract
The utility model provides a dynamic pressure bearing structure, lead oily slot, first discernment flange and second discernment flange including bearing body, pivot hole, at least one. The pivot hole sets up in the center of bearing body, lead the oil slot and set up in the inner wall in pivot hole, it is the V type to lead the oil slot, it has a slot direction to lead the oil slot. The first identification flange is arranged at one end of the bearing body, the second identification flange is arranged on the first identification flange, and the first identification flange and the second identification flange are used for identifying the direction of the groove so as to facilitate assembly.
Description
Technical Field
The utility model relates to a dynamic pressure bearing structure, in particular to through the fluid pass through between bearing and the pivot, because the velocity of flow changes and produces the pressure field for the pivot can stable rotation and not with the bearing arrangement of bearing contact.
Background
In a conventional dynamic pressure bearing, an oil guide groove is formed in an inner surface of a bearing body or an outer surface of a rotating shaft, and when a lubricating fluid flows between the rotating shaft and the bearing body, a pressure is formed in a concentrated manner, so that the rotating shaft does not contact an inner wall of a rotating shaft hole when rotating due to a supporting force of an oil film, thereby preventing the rotating shaft and the bearing body from being abraded due to collision with each other, and further reducing noise and vibration, which is a common bearing technology for information products. However, the conventional hydrodynamic bearing is not recognizable, and it is difficult to recognize the direction of the oil guide groove as a clockwise direction or a counterclockwise direction, so that it is inconvenient to assemble.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a dynamic pressure bearing structure for solve among the prior art dynamic pressure bearing and do not have the identifiability, the direction that is difficult to discern the oil guide slot is clockwise or anticlockwise, the problem of the equipment of being not convenient for.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a dynamic pressure bearing structure comprising:
the bearing comprises a bearing body, wherein a first end and a second end are respectively formed at two ends of the bearing body;
the rotating shaft hole is arranged in the center of the bearing body;
the oil guide groove is arranged on the inner wall of the rotating shaft hole, is V-shaped and has a groove direction;
a first identification flange disposed at a second end of the bearing body, the first identification flange having an outer diameter less than an outer diameter of the bearing body;
a second identification flange disposed on the first identification flange, an outer diameter of the second identification flange being smaller than an outer diameter of the first identification flange, the first identification flange and the second identification flange being used to identify the groove direction.
Preferably, the groove direction is clockwise.
Preferably, the second end of the bearing body forms a fixed surface.
In order to solve the technical problem, the utility model provides a dynamic pressure bearing structure again, include:
the bearing comprises a bearing body, wherein a first end and a second end are respectively formed at two ends of the bearing body;
the rotating shaft hole is arranged in the center of the bearing body and penetrates through the first end and the second end of the bearing body;
the oil guide groove is arranged on the inner wall of the rotating shaft hole, is V-shaped and has a groove direction;
a first identification flange disposed at a second end of the bearing body, the first identification flange having an outer diameter less than an outer diameter of the bearing body;
the identification groove is annularly arranged on the outer wall of the bearing body, and the first identification flange and the identification groove are used for identifying the direction of the groove.
Preferably, the groove direction is clockwise.
Preferably, the second end of the bearing body forms a fixed surface.
In order to solve the above technical problem, the utility model also provides a dynamic pressure bearing structure, include:
the bearing comprises a bearing body, wherein a first end and a second end are respectively formed at two ends of the bearing body;
the rotating shaft hole is arranged in the center of the bearing body and penetrates through the first end and the second end of the bearing body;
the oil guide groove is arranged on the inner wall of the rotating shaft hole, is V-shaped and has a groove direction;
the first identification flange is arranged at the second end of the bearing body, the outer diameter of the first identification flange is smaller than that of the bearing body, and the first identification flange is used for identifying the groove direction.
Preferably, the groove direction is clockwise.
Preferably, the second end of the bearing body forms a fixed surface.
The utility model has the advantages that:
the utility model provides a dynamic pressure bearing structure sets up first discernment flange, second discernment flange at the second end of bearing body, and is usable first discernment flange, second discernment flange are discerned lead the direction of oil slot, including clockwise and anticlockwise to do benefit to the equipment, can not take place to adorn the problem of turning over. Moreover, due to the arrangement of the first identification flange, a fixing surface can be formed at the second end of the bearing body, and the bearing body can be used for pressing and fixing the dynamic pressure bearing structure.
Drawings
Fig. 1 is a sectional view showing a dynamic pressure bearing structure according to a first embodiment of the present invention;
fig. 2 is a schematic view showing a state of use of a dynamic pressure bearing structure according to a first embodiment of the present invention;
fig. 3 is a sectional view showing a dynamic pressure bearing structure according to a second embodiment of the present invention;
fig. 4 is a sectional view showing a dynamic pressure bearing structure according to a third embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses to among the prior art dynamic pressure bearing non-identifiability, the direction that is difficult to discern the oil guide slot is clockwise or anticlockwise, and the problem of the equipment of being not convenient for provides a dynamic pressure bearing structure.
As shown in fig. 1, an embodiment of the present invention provides a dynamic pressure bearing structure, including:
the bearing comprises a bearing body 1, a rotating shaft hole 2, at least one oil guide groove 3, a first identification flange 4 and a second identification flange 5.
The bearing body 1 is a hollow cylinder, and the outer wall of the bearing body 1 can be changed in an equal diameter or unequal diameter mode. The two ends of the bearing body 1 form a first end 11 and a second end 12, respectively, as shown in fig. 1, the first end 11 and the second end 12 are located at the lower end and the upper end of the bearing body 1, respectively.
The rotating shaft hole 2 is arranged at the center of the bearing body 1, the rotating shaft hole 2 is a round hole, and the rotating shaft hole 2 penetrates through the first end 11 and the second end 12 of the bearing body 1 so as to be matched with the rotating shaft.
The oil guide grooves 3 are formed in the inner wall of the rotating shaft hole 2, the oil guide grooves 3 are V-shaped, namely the oil guide grooves 3 are herringbone, and the oil guide grooves 3 can also be arranged at equal intervals. The oil guide groove 3 can be used for guiding lubricating fluid to flow between the rotating shaft and the bearing body 1 and intensively form pressure, and the rotating shaft can not contact the inner wall of the rotating shaft hole 2 when rotating by the supporting force of an oil film, so that the rotating shaft and the bearing body 1 can be prevented from colliding with each other and being abraded, and noise and vibration are reduced.
The first identification flange 4 is arranged at the second end 12 of the bearing body 1, the first identification flange 4 can be integrally formed at the second end 12 of the bearing body 1, and the outer diameter D2 of the first identification flange 4 is smaller than the outer diameter D1 of the bearing body 1, so that the first identification flange 4 is convexly arranged at the second end 12 of the bearing body 1, and thus, two ends of the dynamic pressure bearing structure form different structures, and an identification effect can be achieved, and the direction of the oil guide groove 3 can be identified conveniently.
Specifically, the oil guiding groove 3 has a groove direction a, which may be clockwise or counterclockwise, and the first identification flange 4 is used to identify the groove direction a, that is, the first identification flange 4 can be used to identify the direction of the oil guiding groove 3, so as to achieve the effect of identifying the direction of the oil guiding groove 3.
Due to the arrangement of the first identification flange 4, the second end 12 of the bearing body 1 can also form a fixing surface which can be used for pressing and fixing the dynamic pressure bearing structure. As shown in fig. 2, the dynamic pressure bearing structure can be installed in the housing 6, the rotating shaft 7 is inserted into the rotating shaft hole 2, the top of the housing 6 can be provided with a pressing ring 8, the pressing ring 8 can be pressed on the second end 12 fixing surface of the bearing body 1, and the dynamic pressure bearing structure is pressed and fixed in the housing 6 by the pressing ring 8.
The second identification flange 5 is disposed on the first identification flange 4, the second identification flange 5 can be integrally formed on the first identification flange 4, and the outer diameter D3 of the second identification flange 5 is smaller than the outer diameter D2 of the first identification flange 4, so that the second identification flange 5 is protruded on the first identification flange 4, and the second identification flange 5 has the same function as the first identification flange 4, and can achieve the identification effect. The second identification flange 5 can assist the first identification flange 4, and the second identification flange 5 can also be used for identifying the groove direction a for identifying the direction of the oil guide groove 3, so as to facilitate assembly. The second identification flange 5 is convexly arranged on the first identification flange 4, is more striking and can have better identification effect.
As shown in fig. 3, the second embodiment of the present invention also provides a dynamic pressure bearing structure, the structure of the second embodiment is substantially the same as that of the first embodiment, and the main difference is that the second identification flange 5 of the first embodiment is deleted, that is, only the first identification flange 4 is provided, and the first identification flange 4 can be used for identifying the groove direction a and identifying the direction of the oil guide groove 3.
As shown in fig. 4, the third embodiment of the present invention further provides a dynamic pressure bearing structure, the structure of the third embodiment is substantially the same as that of the second embodiment, and the main difference is that in this embodiment, at least one identification groove 9 is further provided on the outer wall of the bearing body 1, the identification groove 9 is located between the first end 11 and the second end 12 of the bearing body 1, the identification groove 9 is annularly recessed in the outer wall of the bearing body 1, the cross section of the identification groove 9 may be V-shaped, U-shaped, or square-shaped, etc., and the cross section of the identification groove 9 is not limited, and in this embodiment, the cross section of the identification groove 9 is square-shaped. The identification groove 9 can assist the first identification flange 4, and the identification groove 9 can also be used for identifying the groove direction a for identifying the direction of the oil guide groove 3 so as to facilitate assembly.
The utility model discloses dynamic pressure bearing structure sets up first discernment flange, second discernment flange at the second end of bearing body, and is usable first discernment flange, second discernment flange are discerned lead the direction of oil slot, including clockwise and anticlockwise to do benefit to the equipment, can not take place to adorn the problem of turning over. Meanwhile, due to the arrangement of the first identification flange, a fixing surface can be formed at the second end of the bearing body, and the bearing body can be used for pressing and fixing the dynamic pressure bearing structure.
The foregoing is directed to the preferred embodiments of the present invention, and it will be understood by those skilled in the art that various changes and modifications may be made without departing from the principles of the invention, and that such changes and modifications are intended to be included within the scope of the invention.
Claims (9)
1. A dynamic pressure bearing structure, comprising:
the bearing comprises a bearing body, wherein a first end and a second end are respectively formed at two ends of the bearing body;
the rotating shaft hole is arranged in the center of the bearing body;
the oil guide groove is arranged on the inner wall of the rotating shaft hole, is V-shaped and has a groove direction;
a first identification flange disposed at a second end of the bearing body, the first identification flange having an outer diameter less than an outer diameter of the bearing body;
a second identification flange disposed on the first identification flange, an outer diameter of the second identification flange being smaller than an outer diameter of the first identification flange, the first identification flange and the second identification flange being used to identify the groove direction.
2. The dynamic pressure bearing structure according to claim 1, wherein the groove direction is a clockwise direction.
3. The dynamic pressure bearing structure according to claim 1, wherein the second end of the bearing body forms a stationary surface.
4. A dynamic pressure bearing structure, comprising:
the bearing comprises a bearing body, wherein a first end and a second end are respectively formed at two ends of the bearing body;
the rotating shaft hole is arranged in the center of the bearing body and penetrates through the first end and the second end of the bearing body;
the oil guide groove is arranged on the inner wall of the rotating shaft hole, is V-shaped and has a groove direction;
a first identification flange disposed at a second end of the bearing body, the first identification flange having an outer diameter smaller than that of the bearing body;
the identification groove is annularly arranged on the outer wall of the bearing body, and the first identification flange and the identification groove are used for identifying the direction of the groove.
5. The dynamic pressure bearing structure according to claim 4, wherein the groove direction is a clockwise direction.
6. The dynamic pressure bearing structure according to claim 4, wherein the second end of the bearing body forms a stationary surface.
7. A dynamic pressure bearing structure, comprising:
the bearing comprises a bearing body, wherein a first end and a second end are respectively formed at two ends of the bearing body;
the rotating shaft hole is arranged in the center of the bearing body and penetrates through the first end and the second end of the bearing body;
the oil guide groove is arranged on the inner wall of the rotating shaft hole, is V-shaped and has a groove direction;
the first identification flange is arranged at the second end of the bearing body, the outer diameter of the first identification flange is smaller than that of the bearing body, and the first identification flange is used for identifying the groove direction.
8. The dynamic pressure bearing structure according to claim 7, wherein the groove direction is a clockwise direction.
9. The dynamic pressure bearing structure according to claim 7, wherein the second end of the bearing body forms a stationary surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921394857.0U CN210661032U (en) | 2019-08-26 | 2019-08-26 | Dynamic pressure bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921394857.0U CN210661032U (en) | 2019-08-26 | 2019-08-26 | Dynamic pressure bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210661032U true CN210661032U (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921394857.0U Active CN210661032U (en) | 2019-08-26 | 2019-08-26 | Dynamic pressure bearing structure |
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| Country | Link |
|---|---|
| CN (1) | CN210661032U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720431A (en) * | 2020-06-22 | 2020-09-29 | 东台市海鹏船舶配件厂 | Rotary driving type marine bearing |
-
2019
- 2019-08-26 CN CN201921394857.0U patent/CN210661032U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720431A (en) * | 2020-06-22 | 2020-09-29 | 东台市海鹏船舶配件厂 | Rotary driving type marine bearing |
| CN111720431B (en) * | 2020-06-22 | 2021-09-21 | 东台市海鹏船舶配件厂 | Rotary driving type marine bearing |
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