CN217873772U - Closed deep groove ball bearing - Google Patents
Closed deep groove ball bearing Download PDFInfo
- Publication number
- CN217873772U CN217873772U CN202221157832.0U CN202221157832U CN217873772U CN 217873772 U CN217873772 U CN 217873772U CN 202221157832 U CN202221157832 U CN 202221157832U CN 217873772 U CN217873772 U CN 217873772U
- Authority
- CN
- China
- Prior art keywords
- ring
- semi
- wall
- groove
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
A closed deep groove ball bearing relates to a deep groove bearing, wherein an outer ring (14) is sleeved outside an inner ring (12), the end surface of a semi-ring A (3) positioned on the necking side of a semi-ring inner wall A (5) is fixedly connected with the end surface of a semi-ring B (9) positioned on the necking side of a semi-ring inner wall B (11), and a semi-circular section ring groove B (15) and a semi-circular section ring groove A (7) limit a plurality of spherical rollers (13) which are tightly arranged between the outer ring (14) and the inner ring (12); the utility model discloses a set up outer lane and inner circle's opposite face both sides all to the utility model discloses an axle center slope, semi-circular arc cross-section annular B that semi-circular arc cross-section annular B and inner circle that semi-circular arc cross-section annular A that semi-ring A and semi-ring B formed after connecting were equipped with the ball roller restriction between outer lane and inner circle, reached the utility model discloses the easy lubricated and difficult purpose of running oil of bearing oil behind the full complement of ball roller.
Description
Technical Field
The utility model relates to a deep groove bearing especially relates to a closed deep groove ball bearing.
Background
The deep groove ball bearing is suitable for operation at high rotating speed or even extremely high rotating speed, is very durable and does not need frequent maintenance. The bearing has small friction coefficient, high limit rotating speed and various size ranges and forms, is applied to the industries of precision instruments, low-noise motors, automobiles, motorcycles, general machinery and the like, and is the most widely used bearing in the mechanical industry. Primarily radial loads, but also a certain amount of axial loads. The ball assembly of the full-filling deep groove ball bearing always has the process flow that holes or openings are needed, and the deep groove ball bearing has the defects that the normal use is influenced by poor sealing, easy oil leakage and the like after the holes or the openings are formed. The deep groove ball bearing has many advantages stronger than other bearings, and if the defects can be overcome, the application and popularization of the deep groove ball bearing have huge market space.
Disclosure of Invention
In order to overcome not enough among the background art, the utility model discloses a closed deep groove ball bearing sets up all to the opposite face both sides through with outer lane and inner circle to the utility model discloses an axle center slope, semi-circular arc cross-section annular B that semi-ring A and semi-ring B formed after connecting and semi-circular arc cross-section annular A that the inner circle was equipped with restrict spherical roller between outer lane and inner circle, reached the utility model discloses the easy lubricated and difficult mesh of running oil of bearing oil behind full complement of spherical roller.
In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model provides a closed deep groove ball bearing, including the inner circle, spherical roller and outer lane, the outer lane includes semi-ring A and semi-ring B, semi-ring inner wall A that semi-ring A was equipped with is one side flaring neck one side necking down, the contained angle that the flaring one side of semi-ring inner wall A and the semi-ring A terminal surface that is located one side flaring neck of semi-ring inner wall A formed is 45 degrees, be equipped with arc cross-section annular A at the necking down of semi-ring inner wall A one side tip, the semi-ring inner wall B that semi-ring B was equipped with is one side flaring one side necking down, the contained angle that flaring one side of semi-ring inner wall B and the semi-ring B terminal surface that is located one side flaring one side of semi-ring inner wall B formed 45 degrees, be equipped with arc cross-section annular B at necking down one side tip of semi-ring inner wall B, the inner circle outer wall of inner circle is the middle flaring of both ends necking down, the contained angle between inner circle outer wall and the both ends face is 135 degrees respectively, be equipped with semi-circular arc cross-section annular A at the middle part necking down of inner circle outer wall, the outer lane cover is outside the inner circle of semi-ring A terminal surface that is located one side necking down of semi-ring inner ring A and the semi-arc cross-ring B tight ring groove that the inner circle is arranged between the multiple ring groove.
In the closed deep groove ball bearing, one part of a plurality of closely arranged spherical rollers is contacted with the groove wall of the semi-arc section ring groove A, and the other part of the plurality of closely arranged spherical rollers is contacted with the groove wall of the semi-arc section ring groove B.
The closed deep groove ball bearing is characterized in that the inner wall A of the semi-ring is in clearance fit with one side of the outer wall of the inner ring, and the inner wall B of the semi-ring is in clearance fit with the other side of the outer wall of the inner ring.
The section of the semi-arc section ring groove A and the section of the semi-arc section ring groove B of the closed deep groove ball bearing are respectively the same as the curvatures of the spherical rollers.
The closed deep groove ball bearing is characterized in that a plurality of through holes are formed between two end faces of the outer edge of the semi-ring A at intervals around the axis of the semi-ring A, a plurality of blind screw holes are formed in the end face of the semi-ring B corresponding to the necking end of the inner wall B of the semi-ring and the through holes, and a plurality of screws penetrate through the through holes and then are in threaded connection with the blind screw holes.
The closed deep groove ball bearing is characterized in that a neck expanding part is arranged at the end part of a through hole on one side of the neck expanding part of the inner wall A of the semi-ring, and a screw cap arranged on a screw is arranged in the neck expanding part.
The outer ring outer wall of the closed deep groove ball bearing is of an annular plane structure.
The inner ring inner wall of the closed deep groove ball bearing is of an annular plane structure.
The closed deep groove ball bearing is characterized in that chamfer transition is respectively arranged between the inner wall of the inner ring and the two end faces of the inner ring.
Since the technical scheme is used, the utility model discloses following beneficial effect has:
the closed deep groove ball bearing limits the ball roller between the outer ring and the inner ring by setting the opposite surface of the outer ring and the inner ring to incline, the semi-circular section ring groove B formed after the semi-ring A and the semi-circular section ring groove A arranged on the inner ring are connected with the semi-circular section ring groove B, and the ball roller is increased by the semi-circular section ring groove A, not only the outer ring and the inner ring and the ball roller increase the contact surface, but also the axial and radial bearing capacity of the utility model is increased, and the purpose that the bearing oil is easy to lubricate and is not easy to run oil after the ball roller is fully loaded is achieved; the utility model relates to an ingenious, bearing capacity is strong, long-term consumption reduction, has prolonged the life of bearing effectively, has very big market spreading value.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic perspective view of the half ring a of the present invention;
fig. 3 is a schematic perspective view of a half ring B according to the present invention;
fig. 4 is a schematic view of the three-dimensional structure of the inner ring of the present invention.
In the figure: 1. perforating; 2. a screw; 3. a semi-ring A; 4. an arc-section ring groove A; 5. the inner wall of the semi-ring A; 6. the inner wall of the inner ring; 7. a semicircular arc section ring groove A; 8. the outer wall of the inner ring; 9. a half ring B; 10. an arc-section ring groove B; 11. a semi-ring inner wall B; 12. an inner ring; 13. a spherical roller; 14. an outer ring; 15. a semicircular arc section ring groove B; 16. the outer wall of the outer ring; 17. expanding the neck; 18. blind screw holes.
Detailed Description
The present invention will be explained in more detail by the following examples, which are not intended to limit the invention, and the purpose of disclosing the invention is to protect all the changes and improvements that come within the scope of the invention;
the closed deep groove ball bearing described with reference to fig. 1 to 4 includes an inner ring 12, a spherical roller 13 and an outer ring 14, the outer ring 14 includes a half ring A3 and a half ring B9, the half ring A3 is provided with a half ring inner wall A5 that is one side neck-expanded side neck-reduced, an included angle formed by the neck-expanded side of the half ring inner wall A5 and the end surface of the half ring A3 located on the neck-expanded side of the half ring inner wall A5 is 45 degrees, an arc section ring groove A4 is provided at the end of the neck-reduced side of the half ring inner wall A5, the half ring B9 is provided with a half ring inner wall B11 that is one side neck-expanded side neck-reduced, an included angle formed by the neck-expanded side of the half ring inner wall B11 and the end surface of the half ring B9 located on the neck-expanded side of the half ring inner wall B11 is 45 degrees, an arc section ring groove B10 is provided at the end of the neck-expanded side of the neck side of the half ring inner wall B11, the inner ring 12 is a middle neck-expanded with two ends, and an included angle formed by the inner ring outer wall 8 and the inner ring 12 and the two end surfaces is 135 degrees respectively, a semi-circular section ring groove A7 is arranged in the middle of the outer wall 8 of the inner ring, an outer ring 14 is sleeved outside the inner ring 12, the end face of a semi-ring A3 positioned on the necking side of the inner wall A5 of the semi-ring is fixedly connected with the end face of a semi-ring B9 positioned on the necking side of the inner wall B11 of the semi-ring, a plurality of through holes 1 are arranged between the two end faces of the outer edge of the semi-ring A3 at intervals around the axis of the semi-ring A3, a plurality of blind screw holes 18 are arranged on the end face of the semi-ring B9 positioned on the necking end of the inner wall B11 of the semi-ring and corresponding to the through holes 1, a plurality of screws 2 are screwed with the blind screw holes 18 after penetrating through the through holes 1, a necking 1 end part positioned on the necking side of the inner wall A5 of the semi-ring is provided with a flaring 17, a nut arranged in the screw 2 is positioned in the flaring 17, the semi-circular section ring groove B15 is formed after the connection of the arc section ring groove A4 and the arc section ring groove B10, the semi-circular section ring groove B15 and the semi-arc section ring groove A7 are used for limiting a plurality of closely arranged between the outer ring 14 and the inner ring 12, one part of a plurality of spherical rollers 13 arranged closely contacts with the groove wall of the semi-arc section ring groove A7, the other part of the spherical rollers 13 arranged closely contacts with the groove wall of the semi-arc section ring groove B15, one side of the semi-ring inner wall A5 and the inner ring outer wall 8 is in clearance fit, the other side of the semi-ring inner wall B11 and the inner ring outer wall 8 is in clearance fit, the section of the semi-arc section ring groove A7 and the section of the semi-arc section ring groove B15 are respectively the same as the curvature of the spherical rollers 13, the outer ring outer wall 16 arranged on the outer ring 14 is of an annular plane structure, the inner ring inner wall 6 arranged on the inner ring 12 is of an annular plane structure, and chamfering transition is arranged between the two end faces of the inner ring wall 6 and the inner ring 12.
When the closed deep groove ball bearing is used, the spherical rollers 13 coated with bearing oil are fully arranged in the semi-arc section ring groove A7, one part of the section of each spherical roller 13 is respectively contacted with the groove wall of the semi-arc section ring groove A7, the semi-ring A3 and the semi-ring B9 are buckled outside the inner ring 12 provided with the spherical rollers 13 and then are fixedly connected by the screws 2, the other part of the section of each spherical roller 13 is respectively contacted with the groove wall of the semi-arc section ring groove B15, one side of the semi-ring inner wall A5 and the inner ring outer wall 8 are in clearance fit, the other side of the semi-ring inner wall B11 and the inner ring outer wall 8 are in clearance fit, because the contained angle that the flaring one side of semi-ring inner wall A5 and the semi-ring A3 terminal surface that is located semi-ring inner wall A5 flaring one side formed is 45 degrees, and the flaring one side of semi-ring inner wall B11 and the contained angle that is located semi-ring B9 terminal surface formation of semi-ring inner wall B11 flaring one side are 45 degrees, and the contained angle between inner circle outer wall 8 and the 12 both ends face of inner circle is 135 degrees respectively, so the utility model discloses in operation, bearing oil can't be thrown away from between outer lane 14 and the inner circle 12, and not only outer lane 14, inner circle 12 have all increased with spherical roller 13 increase contact surface the utility model discloses an axial and radial bearing capacity have reached moreover the utility model discloses the purpose of full dress spherical roller 13 back bearing oil easy lubrication and difficult running oil.
The part of the utility model not detailed is prior art.
Claims (9)
1. The utility model provides a closed deep groove ball bearing which characterized by: comprises an inner ring (12), a spherical roller (13) and an outer ring (14), wherein the outer ring (14) comprises a semi-ring A (3) and a semi-ring B (9), the semi-ring A (3) is provided with a semi-ring inner wall A (5) with one side expanded neck and one side contracted neck, an included angle formed by the expanded neck side of the semi-ring inner wall A (5) and the end surface of the semi-ring A (3) positioned on the expanded neck side of the semi-ring inner wall A (5) is 45 degrees, an arc section annular groove A (4) is arranged at the end part of the contracted neck side of the semi-ring inner wall A (5), the semi-ring B (9) is provided with a semi-ring inner wall B (11) with one side expanded neck and one side contracted neck, and the included angle formed by the expanded neck side of the semi-ring inner wall B (11) and the end surface of the semi-ring B (9) positioned on the expanded neck side of the semi-ring inner wall B (11) is 45 degrees, an arc-shaped section ring groove B (10) is arranged at the end part of one necking side of a semi-ring inner wall B (11), the inner ring outer wall (8) of an inner ring (12) is necking-in middle expanded neck at two ends, the included angles between the inner ring outer wall (8) and the inner ring (12) are 135 degrees respectively, a semi-arc section ring groove A (7) is arranged in the middle of the inner ring outer wall (8), an outer ring (14) is sleeved outside the inner ring (12), the end surface of a semi-ring A (3) positioned at the necking side of the semi-ring inner wall A (5) is fixedly connected with the end surface of a semi-ring B (9) positioned at the necking side of the semi-ring inner wall B (11), the arc-section ring groove A (4) and the arc-section ring groove B (10) are connected to form a semi-arc-section ring groove B (15), and the semi-arc-section ring groove B (15) and the semi-arc-section ring groove A (7) limit a plurality of spherical rollers (13) which are closely arranged between the outer ring (14) and the inner ring (12).
2. The closed deep groove ball bearing of claim 1, wherein: one part of the spherical rollers (13) which are closely arranged is contacted with the groove wall of the semi-arc section ring groove A (7), and the other part of the spherical rollers (13) which are closely arranged is contacted with the groove wall of the semi-arc section ring groove B (15).
3. The closed deep groove ball bearing as set forth in claim 1, wherein: the inner wall A (5) of the semi-ring is in clearance fit with one side of the outer wall (8) of the inner ring, and the inner wall B (11) of the semi-ring is in clearance fit with the other side of the outer wall (8) of the inner ring.
4. The closed deep groove ball bearing of claim 1, wherein: the section of the semi-circular section ring groove A (7) and the section of the semi-circular section ring groove B (15) are respectively the same as the curvatures of the spherical rollers (13).
5. The closed deep groove ball bearing of claim 1, wherein: a plurality of through holes (1) are arranged between two end faces of the outer edge of the semi-ring A (3) at intervals around the axis of the semi-ring A (3), a plurality of blind screw holes (18) are arranged on the end face of the semi-ring B (9) which is positioned at the neck end of the inner wall B (11) of the semi-ring and corresponds to the through holes (1), and a plurality of screws (2) are screwed with the blind screw holes (18) after penetrating through the through holes (1).
6. The closed deep groove ball bearing of claim 5, wherein: the end part of the through hole (1) positioned on the neck expanding side of the inner wall A (5) of the semi-ring is provided with a neck expanding (17), and the screw cap arranged on the screw (2) is positioned in the neck expanding (17).
7. The closed deep groove ball bearing of claim 1, wherein: the outer ring outer wall (16) arranged on the outer ring (14) is of an annular plane structure.
8. The closed deep groove ball bearing as claimed in claim 1, the inner ring (12) being provided with an inner ring wall (6) having an annular planar configuration.
9. The closed deep groove ball bearing as claimed in claim 8, wherein a chamfer transition is provided between the inner ring wall (6) and the two end faces of the inner ring (12), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221157832.0U CN217873772U (en) | 2022-05-16 | 2022-05-16 | Closed deep groove ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221157832.0U CN217873772U (en) | 2022-05-16 | 2022-05-16 | Closed deep groove ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217873772U true CN217873772U (en) | 2022-11-22 |
Family
ID=84088879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221157832.0U Active CN217873772U (en) | 2022-05-16 | 2022-05-16 | Closed deep groove ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217873772U (en) |
-
2022
- 2022-05-16 CN CN202221157832.0U patent/CN217873772U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH03172608A (en) | Machine part | |
| CN206299680U (en) | Bearing assembly | |
| CN217873772U (en) | Closed deep groove ball bearing | |
| CN110486473B (en) | Novel rotary shaft lip-shaped sealing ring | |
| CN211117124U (en) | Large-contact-angle pure rolling thrust tapered roller bearing | |
| CN217401446U (en) | Outer ring of double-row closed deep groove ball bearing | |
| CN217421864U (en) | Double-row closed deep groove ball bearing | |
| CN110285139A (en) | A kind of super-huge double-row conical pivoting support of low friction | |
| CN205207422U (en) | Two -row ball bearing and contain gyro wheel of said two -row ball bearing | |
| CN218325805U (en) | Angular contact radial spherical plain bearing | |
| CN211599277U (en) | Double-layer cylindrical roller bearing | |
| CN204419859U (en) | A kind of novel tapered roller bearing | |
| CN216922876U (en) | Double-row sealed angular contact bearing | |
| CN216922877U (en) | Closed angular contact bearing | |
| CN200955550Y (en) | Differential self-lubrication sliding bearing | |
| CN217653083U (en) | Outer ring of high-bearing-capacity double-row deep groove ball bearing stable in operation | |
| CN101949411A (en) | Internal-combustion engine bush with oil distribution grooves | |
| CN207333449U (en) | A kind of automatic aligning biserial deep groove ball bearing | |
| CN206626098U (en) | Ball bearing | |
| CN88201554U (en) | Radial-thrust double layer composite rolling needle bearing | |
| CN216241820U (en) | Angular contact bearing | |
| CN217784016U (en) | R3 seal for flat head of outer spherical surface | |
| CN202194959U (en) | Cross shaft universal joint | |
| CN216922878U (en) | Inner ring of double-row closed angular contact bearing | |
| CN220646508U (en) | Rolling bearing using metal cage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |