CN217301269U - Combined bearing of cylindrical roller and joint inner ring - Google Patents
Combined bearing of cylindrical roller and joint inner ring Download PDFInfo
- Publication number
- CN217301269U CN217301269U CN202121164317.0U CN202121164317U CN217301269U CN 217301269 U CN217301269 U CN 217301269U CN 202121164317 U CN202121164317 U CN 202121164317U CN 217301269 U CN217301269 U CN 217301269U
- Authority
- CN
- China
- Prior art keywords
- ring
- wall
- bearing
- cylindrical roller
- joint
- 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
- Support Of The Bearing (AREA)
Abstract
The utility model relates to a technical field is made to the bearing, especially relates to a combination bearing of cylindrical roller and joint inner circle, including outer lane, well circle, inner circle and roller, the roller passes through the holder setting between outer lane and well circle, and well snare is established at the inner circle outer wall, the inner circle outer wall sets up to spherical face, is provided with stop part between inner circle and the well circle. The utility model discloses a bearing structure can satisfy the high-speed rotation in the bearing operation simultaneously and big angle of alignment, has improved the performance of bearing.
Description
Technical Field
The utility model relates to a bearing manufacturing technical field especially relates to a combination bearing of cylindrical roller and joint inner circle.
Background
The self-aligning roller bearing can only adapt to high-speed rotation and cannot realize the self-aligning function, the self-aligning roller bearing can adapt to certain medium-high-speed rotation and a smaller self-aligning function, the self-aligning roller bearing is generally at a self-aligning angle of 1-2 degrees, the two bearings cannot realize high-speed rotation and a larger self-aligning angle at the same time, and certain limitation is realized in actual application.
Disclosure of Invention
According to the defect that above-mentioned prior art exists, the utility model aims at providing a combination bearing of cylindrical roller and joint inner circle can realize high-speed rotation and big angle of alignment simultaneously, the limited performance that improves the bearing.
In order to achieve the above object, the utility model adopts the following technical scheme: a combined bearing of a cylindrical roller and a joint inner ring comprises an outer ring, a middle ring, an inner ring and a roller, wherein the roller is arranged between the outer ring and the middle ring through a retainer, the middle ring is sleeved on the outer wall of the inner ring, the outer wall of the inner ring is a spherical surface, and a limiting component is arranged between the inner ring and the middle ring.
Furthermore, the inner wall of the middle ring is an inwards concave cambered surface and is matched with the spherical surface of the outer wall of the inner ring, and a straight groove for assembling the inner ring is formed in the inner wall of the middle ring.
Furthermore, the number of the straight grooves is two, the straight grooves and the concave cambered surface are in smooth transition, and the groove surfaces of the straight grooves are tangent to the spherical surface of the outer wall of the inner ring.
Furthermore, a limiting component used for limiting the displacement of the inner ring in the bearing rotation direction is arranged between the outer wall of the inner ring and the inner wall of the middle ring, the limiting component is arranged in the straight groove, the limiting component is a set screw, a plurality of thread grooves are formed in the outer wall of the inner ring, the set screw is in threaded connection with the thread grooves, and the thread grooves are located on the same annular surface.
Furthermore, two sealing rings are arranged between the inner wall of the middle ring and the outer wall of the inner ring, and the limiting component is positioned between the two sealing rings.
Furthermore, two sides of the inner wall of the middle ring are respectively provided with a sealing groove for fixing a sealing ring.
Furthermore, a single rib is arranged on one side of the outer wall of the middle ring.
Furthermore, lubricating grease is filled in an inner space formed by the inner wall of the middle ring, the outer wall of the inner ring and the two sealing rings.
Furthermore, the sealing ring is a steel skeleton and nitrile rubber combined piece, and a sealing lip of the sealing ring is in interference fit with the spherical surface of the outer wall of the inner ring.
Furthermore, flanges matched with the end faces of the rollers are arranged on two sides of the inner wall of the outer ring.
The utility model has the advantages that: the utility model discloses a bearing structure can satisfy the high-speed rotation in the bearing operation simultaneously and big angle of alignment, has improved the performance of bearing.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a middle ring structure;
FIG. 3 is a cross-sectional view of the loop structure A-A of FIG. 2;
in the figure: 1. the device comprises an outer ring, 2, a middle ring, 3, an inner ring, 4, a roller, 5, a retainer, 6, a sealing ring, 7, a set screw, 8, a straight groove, 9 and a sealing groove.
Detailed Description
In order to make the structure and function of the present invention clearer, the drawings in the embodiments of the present invention will be combined below to clearly and completely describe the technical solution in the embodiments of the present invention.
Referring to the attached drawings 1-3, the combined bearing of the cylindrical roller and the joint inner ring comprises an outer ring 1, a middle ring 2, an inner ring 3 and a roller 4, wherein the roller 4 is arranged between the outer ring 1 and the middle ring 2 through a retainer 5, the middle ring 2 is sleeved on the outer wall of the inner ring 3, the outer wall of the inner ring 3 is a spherical surface, the inner wall of the middle ring 2 is an inwards concave cambered surface and is matched with the spherical surface of the outer wall of the inner ring 3, and two straight grooves 8 for assembling the inner ring are formed in the inner wall of the middle ring 2. The straight groove 8 and the concave cambered surface are in smooth transition, and the groove surface of the straight groove 8 is tangent to the spherical surface of the outer wall of the inner ring. Set screws 7 used for limiting the displacement of the inner ring 3 in the bearing rotation direction are arranged between the inner ring 3 and the middle ring 2, four thread grooves are arranged on the outer wall of the inner ring 3, the positions of the four thread grooves correspond to the positions of the two straight grooves 8, the four set screws 7 are respectively in threaded connection in the thread grooves, and the thread grooves are located on the same annular surface. The head of the set screw 7 extends out of the spherical surface and is positioned in the straight groove, so that the function of limiting the rotary displacement is facilitated.
Based on the technical scheme, the utility model discloses use cylindrical roller and whole holder, what adopt is the rotatory mode of roller guide holder, is applicable to the operating mode of high-speed rotation. The bearing structure can simultaneously meet the requirements of high-speed rotation and large aligning angle during bearing operation, so that the aligning angle of the bearing reaches 5 degrees or more, and the performance of the bearing is improved.
Furthermore, two sealing rings 6 are arranged between the inner wall of the middle ring and the outer wall of the inner ring, two sides of the inner wall of the middle ring are respectively provided with a sealing groove 9 for fixing the sealing rings, the outer wall of each sealing ring 6 is connected in each sealing groove 9, and the sealing lip of the inner wall of each sealing ring is in contact fit with the spherical surface of the outer wall of the inner ring. The set screw 7 is located between the two sealing rings 6. And lubricating grease is filled in an inner space formed by the inner wall of the middle ring, the outer wall of the inner ring and the two sealing rings, and the lubricating grease is extreme pressure lithium-based grease.
Based on the technical scheme, the sealing ring 6 is a steel skeleton and nitrile rubber combined piece and has certain rigidity and sealing property. The sealing ring 6 is arranged in the sealing groove 9 of the bearing middle ring in a sealing way, and the square sealing lip of the inner diameter of the sealing ring is attached to the spherical surface of the outer diameter of the bearing inner ring 3.
Preferably, the square sealing lip on the inner diameter of the sealing ring 6 is in interference fit with the spherical surface on the outer diameter of the bearing inner ring 3.
Furthermore, a single flange is arranged on one side of the outer wall of the middle ring. And the other side is free of a flange, so that the assembly of the roller is facilitated.
Furthermore, flanges matched with the end faces of the rollers are arranged on two sides of the inner wall of the outer ring.
It should be noted that, the joint inner ring refers to an inner ring whose outer wall has an arc-shaped matching surface and can rotate along each direction of the arc surface to increase the aligning angle.
The foregoing lists preferred embodiments of the invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (9)
1. The utility model provides a combination bearing of cylindrical roller and joint inner circle which characterized in that: the roller is arranged between the outer ring and the middle ring through a retainer, the middle ring is sleeved on the outer wall of the inner ring, the outer wall of the inner ring is a spherical surface, and a limiting component is arranged between the inner ring and the middle ring.
2. The combination bearing of a cylindrical roller and an inner race of a joint as set forth in claim 1, wherein: the inner wall of the middle ring is an inwards concave cambered surface and is matched with the spherical surface of the outer wall of the inner ring, and the inner wall of the middle ring is provided with a straight groove for assembling the inner ring.
3. The combination bearing of a cylindrical roller and an inner race of a joint as set forth in claim 2, wherein: the number of the straight grooves is two, the straight grooves and the concave cambered surface are in smooth transition, and the groove surfaces of the straight grooves are tangent to the spherical surface of the outer wall of the inner ring.
4. A combination cylindrical roller and joint inner race bearing according to claim 2 or 3, wherein: the bearing is characterized in that a limiting component used for limiting the displacement of the inner ring in the bearing rotating direction is arranged between the outer wall of the inner ring and the inner wall of the middle ring, the limiting component is arranged in a straight groove and is a set screw, a plurality of thread grooves are formed in the outer wall of the inner ring, the set screw is in threaded connection with the thread grooves, and the thread grooves are located on the same annular surface.
5. The combination bearing of a cylindrical roller and an inner race of a joint as set forth in claim 1, wherein: two sealing rings are arranged between the inner wall of the middle ring and the outer wall of the inner ring, and the limiting component is positioned between the two sealing rings.
6. The combination bearing of a cylindrical roller and an inner race of a joint as set forth in claim 5, wherein: and two sides of the inner wall of the middle ring are respectively provided with a sealing groove for fixing the sealing ring.
7. A combination cylindrical roller and joint inner race bearing according to claim 1 or 6, wherein: and a single flange is arranged on one side of the outer wall of the middle ring.
8. The combination bearing of a cylindrical roller and an inner race of a joint as set forth in claim 5, wherein: and lubricating grease is filled in an inner space formed by the inner wall of the middle ring, the outer wall of the inner ring and the two sealing rings.
9. The combination bearing of a cylindrical roller and an inner race of a joint as set forth in claim 5, wherein: the sealing ring is a steel skeleton and nitrile rubber combined piece, and a sealing lip of the sealing ring is in interference fit with the spherical surface of the outer wall of the inner ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121164317.0U CN217301269U (en) | 2021-05-28 | 2021-05-28 | Combined bearing of cylindrical roller and joint inner ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121164317.0U CN217301269U (en) | 2021-05-28 | 2021-05-28 | Combined bearing of cylindrical roller and joint inner ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217301269U true CN217301269U (en) | 2022-08-26 |
Family
ID=82912455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121164317.0U Active CN217301269U (en) | 2021-05-28 | 2021-05-28 | Combined bearing of cylindrical roller and joint inner ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217301269U (en) |
-
2021
- 2021-05-28 CN CN202121164317.0U patent/CN217301269U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11292125B2 (en) | Low-back-clearance robot speed reducer | |
| CN104832535A (en) | A rolling type knuckle bearing | |
| JP6545489B2 (en) | Tripod type constant velocity universal joint | |
| CN217301269U (en) | Combined bearing of cylindrical roller and joint inner ring | |
| CN103388619A (en) | Rolling-type joint bearing | |
| CN113236663A (en) | Combined bearing of cylindrical roller and joint inner ring | |
| CN201593556U (en) | Roller bearing | |
| CN215762795U (en) | Heavy-load slewing bearing device with check ring for high-precision rotary table | |
| CN105782256B (en) | Big slippage shaft coupling | |
| CN209761993U (en) | Single-row angular contact ball bearing convenient for preventing separation of inner ring and outer ring | |
| CN210397445U (en) | Self-aligning roller bearing with special structure | |
| CN205503794U (en) | Big amount of slip shaft coupling | |
| CN209909162U (en) | Non-revolving body sealing lip rotary sealing structure | |
| CN203239772U (en) | Hub | |
| CN103195823B (en) | Hub | |
| CN219809269U (en) | Novel carding roller bearing | |
| CN207333449U (en) | A kind of automatic aligning biserial deep groove ball bearing | |
| CN216922876U (en) | Double-row sealed angular contact bearing | |
| CN207229582U (en) | Integral shaft holder structure | |
| CN211202606U (en) | Double-row four-point contact rolling bearing | |
| CN104265635B (en) | Anti-rotation mechanism of vortex fluid machine | |
| CN216241820U (en) | Angular contact bearing | |
| CN217401446U (en) | Outer ring of double-row closed deep groove ball bearing | |
| CN217207329U (en) | Novel improve lubricated state's high-speed bearing | |
| CN217421864U (en) | Double-row closed deep groove ball bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |