CN214837883U - Bearing oiling channel - Google Patents
Bearing oiling channel Download PDFInfo
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- CN214837883U CN214837883U CN202120210953.6U CN202120210953U CN214837883U CN 214837883 U CN214837883 U CN 214837883U CN 202120210953 U CN202120210953 U CN 202120210953U CN 214837883 U CN214837883 U CN 214837883U
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Abstract
The utility model relates to the technical field of bearings, and discloses a bearing oil injection channel, which comprises a first chamfer arranged on the outer wall of a bearing, a first arc chamfer is arranged at the end of the first chamfer inside the bearing, a second chamfer is arranged at the end of the first arc chamfer inside the bearing, a second arc chamfer is arranged at the end of the second chamfer inside the bearing, a third chamfer is arranged at the end of the second arc chamfer inside the bearing, an oil hole is arranged at the end of the third chamfer inside the bearing, a fourth chamfer is arranged at the end of the oil hole far away from the third chamfer, and the end of the fourth chamfer far away from the oil hole extends to the inner wall of the bearing, the utility model has novel design, and can avoid acute angle burrs of the bearing after turning by arranging a plurality of chamfers at the two ends of the oil hole, so as to ensure that the quality of the bearing can not be problematic, and in addition, the stress generated by expansion of the processed bearing after being put into a heating furnace can not be concentrated at the edge of the bearing oil injection channel, thereby avoiding bearing cracking.
Description
Technical Field
The utility model relates to a bearing technical field, concretely relates to bearing oiling passageway.
Background
In a mechanical rotating structure, a bearing is often used to reduce the friction coefficient of a rotating shaft during rotation and ensure the rotation precision of the rotating shaft during rotation. At present, in order to ensure the lubricity of a bearing in a using process, an oil filling hole is usually formed in the bearing, and lubricating oil is filled into an oil groove in the bearing through the oil filling hole. As shown in figure 1, an oil filling hole on the existing bearing is not chamfered during manufacturing, and acute-angle burrs in a circled area in figure 1 are more after turning, so that the product quality is influenced. In addition, the bearing is required to enter the heat treatment furnace after being machined, and because the bearing expands in the heat treatment furnace, stress generated by expansion of the bearing can be concentrated on the edge of the oil filling hole when the oil filling hole is not chamfered, and the problem that the bearing cracks is caused.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of background art, the utility model provides a bearing oiling passageway, the technical problem that solve is that the oil filler point on the current bearing lacks the chamfer, and the burr is more, and the stress that the inflation produced in the heating furnace probably all can concentrate on the filling hole edge moreover, causes the bearing to split the scheduling problem.
For solving the technical problem, the utility model provides a following technical scheme: the utility model provides a bearing oiling passageway, include the first chamfer of seting up at the bearing outer wall, the inside end at first chamfer of bearing is equipped with first circular arc chamfer, the inside end at first circular arc chamfer of bearing is equipped with the second chamfer, the inside end at the second chamfer of bearing is equipped with second circular arc chamfer, the inside end at second circular arc chamfer of bearing is equipped with the third chamfer, the inside end at the third chamfer of bearing is equipped with the oilhole, the inside one end of keeping away from the third chamfer at the oilhole of bearing is equipped with the fourth chamfer, the one end that the oilhole was kept away from to the fourth chamfer extends to the bearing inner wall.
As a further technical scheme, the first chamfer, the second chamfer and the third chamfer are all straight chamfers, and the included angle between the first chamfer and the outer wall of the bearing is 18 degrees.
As a further technical scheme, when the diameter of the oil hole is between 4.2 mm and 4.8mm, the projection length of the first chamfer in the horizontal direction is between 1.5 mm and 1.7mm, the radian of the first arc chamfer is between 0.6 degrees and 1.4 degrees, the projection length of the first arc chamfer in the vertical direction is between 0.6mm and 0.8mm, the included angle between the horizontal plane and the third chamfer and the fourth chamfer is 45 degrees, the length of the third chamfer is between 0.1 mm and 0.5mm, and the length of the fourth chamfer is between 0.2 mm and 0.6 mm.
As a further technical scheme, when the diameter of the oil hole is between 5.7 mm and 6.3mm, the projection length of the first chamfer in the horizontal direction is between 1.7mm and 2.1mm, the radian of the first arc chamfer is between 1.6 degrees and 2.4 degrees, the projection length of the first arc chamfer in the vertical direction is between 0.8mm and 1.2mm, the included angle between the horizontal plane and the third chamfer and the fourth chamfer is 45 degrees, the length of the third chamfer is between 0.2 mm and 0.6mm, and the length of the fourth chamfer is between 0.3 mm and 0.7 mm.
As a further technical scheme, when the diameter of the oil hole is between 7.2 mm and 7.8mm, the projection length of the first chamfer in the horizontal direction is between 2.3mm and 2.7mm, the radian of the first arc chamfer is between 1.6 degrees and 2.4 degrees, the projection length of the first arc chamfer in the vertical direction is between 1.0 mm and 1.4mm, the included angle between the horizontal plane and the third chamfer and the fourth chamfer is 45 degrees, the length of the third chamfer is between 0.2 mm and 0.6mm, and the length of the fourth chamfer is between 0.3 mm and 0.7 mm.
As a further technical scheme, when the diameter of the oil hole is between 8.7 mm and 9.3mm, the projection length of the first chamfer in the horizontal direction is between 2.9 mm and 3.3mm, the radian of the first arc chamfer is between 2.6 degrees and 3.4 degrees, the projection length of the first arc chamfer in the vertical direction is between 1.3 mm and 1.7mm, the included angle between the horizontal plane and the third chamfer and the fourth chamfer is 45 degrees, the length of the third chamfer is between 0.3 mm and 0.7mm, and the length of the fourth chamfer is between 0.4 mm and 0.8 mm.
As a further technical scheme, when the diameter of the oil hole is 11.7-12.3 mm, the projection length of the first chamfer in the horizontal direction is 4.1-4.5 mm, the radian of the first arc chamfer is 2.6-3.4 degrees, the projection length of the first arc chamfer in the vertical direction is 1.7-2.1 mm, the included angle between the horizontal plane and the third chamfer and the fourth chamfer is 45 degrees, the length of the third chamfer is 0.3-0.7 mm, and the length of the fourth chamfer is 0.4-0.8 mm.
Compared with the prior art, the utility model beneficial effect who has is: the utility model discloses a set up a plurality of chamfers at the oilhole both ends, can avoid the bearing to have the acute angle burr after the car processing, ensure that the quality after the bearing processing can not go wrong, through setting up the chamfer in addition, the edge at bearing oiling passageway can not be concentrated because the stress that the inflation produced in the back of putting into the heating furnace after the processing, and then avoid the bearing to appear splitting the scheduling problem.
Drawings
The utility model discloses there is following figure:
FIG. 1 is a schematic view showing a structure of an oil hole in a conventional bearing;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of a first chamfer and a first arc chamfer;
FIG. 4 is a schematic view of a second chamfer, a second arc chamfer, and a third chamfer.
In the figure: 1. the first chamfer, 2, the first circular arc chamfer, 3, the second chamfer, 4, the second circular arc chamfer, 5, the third chamfer, 6, the oilhole, 7, the fourth chamfer.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 2-4, a bearing oiling channel comprises a first chamfer 1 formed on the outer wall of a bearing, a first arc chamfer 2 is arranged at the tail end of the first chamfer 1 inside the bearing, a second chamfer 3 is arranged at the tail end of the first arc chamfer 2 inside the bearing, a second arc chamfer 4 is arranged at the tail end of the second chamfer 3 inside the bearing, a third chamfer 5 is arranged at the tail end of the second arc chamfer 4 inside the bearing, an oil hole 6 is arranged at the tail end of the third chamfer 5 inside the bearing, a fourth chamfer 7 is arranged at one end, far away from the third chamfer 5, of the oil hole 6 inside the bearing, and one end, far away from the oil hole 6, of the fourth chamfer 7 extends to the inner wall of the bearing.
As a further technical scheme, the first chamfer 1, the second chamfer 3 and the third chamfer 5 are all straight chamfers, and the included angle between the first chamfer 1 and the outer wall of the bearing is 18 degrees.
As a further technical scheme, when the diameter of the oil hole 6 is between 4.2 mm and 4.8mm, the projection length A of the first chamfer 1 in the horizontal direction is between 1.5 mm and 1.7mm, the radian of the first arc chamfer 2 is between 0.6 degrees and 1.4 degrees, the projection length B of the first arc chamfer 2 in the vertical direction is between 0.6mm and 0.8mm, the included angle between the third chamfer 5 and the fourth chamfer 7 and the horizontal plane is 45 degrees, the length of the third chamfer 5 is between 0.1 mm and 0.5mm, and the length of the fourth chamfer 7 is between 0.2 mm and 0.6 mm.
As a further technical scheme, when the diameter of the oil hole 6 is between 5.7 mm and 6.3mm, the projection length A of the first chamfer 1 in the horizontal direction is between 1.7mm and 2.1mm, the radian of the first arc chamfer 2 is between 1.6 degrees and 2.4 degrees, the projection length B of the first arc chamfer 2 in the vertical direction is between 0.8mm and 1.2mm, the included angle between the third chamfer 5 and the fourth chamfer 7 and the horizontal plane is 45 degrees, the length of the third chamfer 5 is between 0.2 mm and 0.6mm, and the length of the fourth chamfer 7 is between 0.3 mm and 0.7 mm.
As a further technical scheme, when the diameter of the oil hole 6 is between 7.2 mm and 7.8mm, the projection length A of the first chamfer 1 in the horizontal direction is between 2.3mm and 2.7mm, the radian of the first arc chamfer 2 is between 1.6 degrees and 2.4 degrees, the projection length B of the first arc chamfer 2 in the vertical direction is between 1.0 mm and 1.4mm, the included angle between the third chamfer 5 and the fourth chamfer 7 and the horizontal plane is 45 degrees, the length of the third chamfer 5 is between 0.2 mm and 0.6mm, and the length of the fourth chamfer 7 is between 0.3 mm and 0.7 mm.
As a further technical scheme, when the diameter of the oil hole 6 is between 8.7 mm and 9.3mm, the projection length A of the first chamfer 1 in the horizontal direction is between 2.9 mm and 3.3mm, the radian of the first arc chamfer 2 is between 2.6 degrees and 3.4 degrees, the projection length B of the first arc chamfer 2 in the vertical direction is between 1.3 mm and 1.7mm, the included angle between the third chamfer 5 and the fourth chamfer 7 and the horizontal plane is 45 degrees, the length of the third chamfer 5 is between 0.3 mm and 0.7mm, and the length of the fourth chamfer 7 is between 0.4 mm and 0.8 mm.
As a further technical scheme, when the diameter of the oil hole 6 is between 11.7 mm and 12.3mm, the projection length A of the first chamfer 1 in the horizontal direction is between 4.1 mm and 4.5mm, the radian of the first arc chamfer 2 is between 2.6 degrees and 3.4 degrees, the projection length B of the first arc chamfer 2 in the vertical direction is between 1.7mm and 2.1mm, the included angle between the third chamfer 5 and the fourth chamfer 4 and the horizontal plane is 45 degrees, the length of the third chamfer 5 is between 0.3 mm and 0.7mm, and the length of the fourth chamfer 7 is between 0.4 mm and 0.8 mm.
To sum up, the utility model discloses a set up a plurality of chamfers at 6 both ends in the oilhole, can avoid the bearing to have the acute angle burr after the car processing, ensure that the quality after the bearing processing can not go wrong, through setting up the chamfer in addition, the bearing after the processing can not concentrate at the edge of bearing oiling passageway because the stress that the inflation produced in putting into the heating furnace after, and then avoids the bearing to appear splitting the scheduling problem.
In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides a bearing oiling passageway which characterized in that: include the first chamfer of seting up at the bearing outer wall, the inside end at first chamfer of bearing is equipped with first circular arc chamfer, the inside end at first circular arc chamfer of bearing is equipped with the second chamfer, the bearing is inside the end of second chamfer is equipped with second circular arc chamfer, the inside end at second circular arc chamfer of bearing is equipped with the third chamfer, the inside end at the third chamfer of bearing is equipped with the oilhole, the inside one end of keeping away from the third chamfer at the oilhole of bearing is equipped with the fourth chamfer, the one end that the oilhole was kept away from to the fourth chamfer extends to the bearing inner wall.
2. The bearing oiling channel of claim 1, wherein: the first chamfer, the second chamfer and the third chamfer are straight chamfers, and the included angle between the first chamfer and the outer wall of the bearing is 18 degrees.
3. A bearing oiling channel as defined in claim 1 or 2 wherein: when the diameter of the oil hole is between 4.2 mm and 4.8mm, the projection length of the first chamfer angle in the horizontal direction is between 1.5 mm and 1.7mm, the radian of the first arc chamfer angle is between 0.6 degrees and 1.4 degrees, the projection length of the first arc chamfer angle in the vertical direction is between 0.6mm and 0.8mm, the included angle between the third chamfer angle and the fourth chamfer angle and the horizontal plane is 45 degrees, the length of the third chamfer angle is between 0.1 mm and 0.5mm, and the length of the fourth chamfer angle is between 0.2 mm and 0.6 mm.
4. A bearing oiling channel as defined in claim 1 or 2 wherein: when the diameter of the oil hole is between 5.7 mm and 6.3mm, the projection length of the first chamfer angle in the horizontal direction is between 1.7mm and 2.1mm, the radian of the first arc chamfer angle is between 1.6 degrees and 2.4 degrees, the projection length of the first arc chamfer angle in the vertical direction is between 0.8mm and 1.2mm, the included angle between the third chamfer angle and the fourth chamfer angle and the horizontal plane is 45 degrees, the length of the third chamfer angle is between 0.2 mm and 0.6mm, and the length of the fourth chamfer angle is between 0.3 mm and 0.7 mm.
5. A bearing oiling channel as defined in claim 1 or 2 wherein: when the diameter of the oil hole is between 7.2 mm and 7.8mm, the projection length of the first chamfer angle in the horizontal direction is between 2.3mm and 2.7mm, the radian of the first arc chamfer angle is between 1.6 degrees and 2.4 degrees, the projection length of the first arc chamfer angle in the vertical direction is between 1.0 mm and 1.4mm, the included angle between the third chamfer angle and the fourth chamfer angle and the horizontal plane is 45 degrees, the length of the third chamfer angle is between 0.2 mm and 0.6mm, and the length of the fourth chamfer angle is between 0.3 mm and 0.7 mm.
6. A bearing oiling channel as defined in claim 1 or 2 wherein: when the diameter of the oil hole is between 8.7 mm and 9.3mm, the projection length of the first chamfer angle in the horizontal direction is between 2.9 mm and 3.3mm, the radian of the first arc chamfer angle is between 2.6 degrees and 3.4 degrees, the projection length of the first arc chamfer angle in the vertical direction is between 1.3 mm and 1.7mm, the included angle between the third chamfer angle and the horizontal plane is 45 degrees, the length of the third chamfer angle is between 0.3 mm and 0.7mm, and the length of the fourth chamfer angle is between 0.4 mm and 0.8 mm.
7. A bearing oiling channel as defined in claim 1 or 2 wherein: when the diameter of the oil hole is 11.7-12.3 mm, the projection length of the first chamfer angle in the horizontal direction is 4.1-4.5 mm, the radian of the first arc chamfer angle is 2.6-3.4 degrees, the projection length of the first arc chamfer angle in the vertical direction is 1.7-2.1 mm, the included angle between the third chamfer angle and the fourth chamfer angle and the horizontal plane is 45 degrees, the length of the third chamfer angle is 0.3-0.7 mm, and the length of the fourth chamfer angle is 0.4-0.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120210953.6U CN214837883U (en) | 2021-01-25 | 2021-01-25 | Bearing oiling channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120210953.6U CN214837883U (en) | 2021-01-25 | 2021-01-25 | Bearing oiling channel |
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| Publication Number | Publication Date |
|---|---|
| CN214837883U true CN214837883U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120210953.6U Active CN214837883U (en) | 2021-01-25 | 2021-01-25 | Bearing oiling channel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458686A (en) * | 2021-12-22 | 2022-05-10 | 萍乡市慧成精密机电有限公司 | Ceramic injection molding sliding bearing and manufacturing method thereof |
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2021
- 2021-01-25 CN CN202120210953.6U patent/CN214837883U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458686A (en) * | 2021-12-22 | 2022-05-10 | 萍乡市慧成精密机电有限公司 | Ceramic injection molding sliding bearing and manufacturing method thereof |
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