CN220791803U - Integral three-point contact ball bearing for steering gear - Google Patents
Integral three-point contact ball bearing for steering gear Download PDFInfo
- Publication number
- CN220791803U CN220791803U CN202322558085.2U CN202322558085U CN220791803U CN 220791803 U CN220791803 U CN 220791803U CN 202322558085 U CN202322558085 U CN 202322558085U CN 220791803 U CN220791803 U CN 220791803U
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- wall
- bearing
- ring
- oil
- ball
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- 239000003921 oil Substances 0.000 claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 239000010687 lubricating oil Substances 0.000 claims abstract description 8
- 238000005461 lubrication Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 11
- 238000007493 shaping process Methods 0.000 claims description 7
- 230000001050 lubricating effect Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses an integral three-point contact ball bearing for a steering gear, which relates to the technical field of bearings and comprises a bearing outer ring, a limiting ring, a bearing inner ring, a limiting groove, balls and a lubricating mechanism. According to the utility model, by arranging the lubricating mechanism, the limit ring can rotate through the cooperation of the bearing inner ring, the ball, the limit groove and the bearing outer ring, meanwhile, the cam is driven by the limit ring through the movable push plate, and the friction rotation between the anti-slip rubber ring and the inner wall of the second annular groove is realized, when the protruding part of the cam is contacted with the inner wall of the second annular groove through the anti-slip rubber ring, the movable press frame is pushed to move through the movable push plate, and the movable press frame extrudes the rubber pad to shrink until the opening of the oil passing hole is aligned with the opening of the oil transmission hole, and meanwhile, the lubricating oil passes through the oil passing hole and the oil transmission hole to be contacted with the outer wall of the ball under the centrifugal force generated by the rotation of the limit ring, so that the friction duration between the ball and the bearing outer ring and the bearing inner ring is further reduced.
Description
Technical Field
The utility model relates to the technical field of bearings, in particular to an integral three-point contact ball bearing for a steering gear.
Background
The three-point contact ball bearing is a key basic component of the main shaft support of the aeroengine, mainly bears the axial resultant force of aerodynamic force on a rotor, and is a single-row angular contact ball bearing, when being subjected to pure radial load, each ball under load is in two-point contact with one channel, and is in one-point contact with the other channel, and when being subjected to pure axial load, each ball is in one-point contact with each channel.
In order to improve the service life of the existing three-point contact ball bearing, lubricating oil and the like can be smeared on the outer wall of a ball of the existing three-point contact ball bearing in the use process, but when the bearing is used for a long time, the lubricating oil in the bearing cannot continue to provide an effective lubricating effect due to long-time use, the ball can be rubbed with the inner ring and the outer ring of the bearing, the surface of the ball can be abraded due to long-time friction, the service life of the bearing is reduced, and in order to further reduce the friction duration between the ball and the inner ring and the outer ring of the bearing, the integral three-point contact ball bearing for the steering gear is provided.
Disclosure of Invention
The utility model aims at: in order to further reduce the friction time between the ball and the inner and outer rings of the bearing, an integral three-point contact ball bearing for a steering gear is provided.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the integral three-point contact ball bearing for the steering gear comprises a bearing outer ring, wherein a limit ring is arranged on the inner side of the bearing outer ring, a bearing inner ring is arranged on the inner side of the limit ring, a plurality of limit grooves are circumferentially formed in the limit ring, balls are rotationally connected to the inner parts of the limit grooves, the outer walls of the balls are in contact with the inner wall of the bearing outer ring and the outer wall of the bearing inner ring, a plurality of lubrication mechanisms are circumferentially arranged on the limit ring, the lubrication mechanisms and the limit grooves are mutually staggered, and the lubrication mechanisms are used for smearing lubricating oil on the outer walls of the balls when the bearing inner ring rotates;
the lubricating mechanism comprises:
offer in the inside of spacing collar, and be located the oil pocket between two spacing grooves, the oil delivery hole that link up each other with the inner chamber of spacing groove is offered to the upper and lower end symmetry of oil pocket inner wall, the equal symmetrical shaping of upper and lower end of oil pocket inner wall has spacing slide, the one end symmetrical shaping that the oil pocket inner wall is close to the bearing inner race has two sealing baffle.
As still further aspects of the utility model: the lubrication mechanism further comprises:
the inside sliding connection of oil pocket has the removal to press the frame, remove and press frame and spacing slide sliding connection, and contact with the one end outer wall that two sealing baffle kept away from each other, it is provided with two rubber pads of cup jointing at spacing slide outer wall to remove the upper and lower end symmetry that the frame is close to bearing inner race one end, the outer wall of lower extreme contacts with the inner wall of oil pocket and sealing baffle's outer wall respectively on the rubber pad, it has two to run through to the outside removal push pedal of spacing collar to remove the one end symmetrical shaping that the frame is close to the bearing outer lane, two it is connected with the cam to rotate through the pivot between the removal push pedal, the cam is located the outside of spacing collar, the outer wall fixedly connected with of cam and the anti-skidding rubber ring that the inner wall of bearing outer lane contacted.
As still further aspects of the utility model: the bearing comprises a bearing outer ring, a bearing inner ring, a bearing outer ring, a bearing inner ring and a bearing outer ring, wherein the bearing outer ring is internally provided with a second annular groove which is contacted with the outer wall of the ball, the outer wall of the bearing inner ring is provided with a first annular groove which is contacted with the outer wall of the ball, and the vertical section of the inner wall of the first annular groove is in a peach-shaped groove shape.
As still further aspects of the utility model: and the limiting ring is provided with a linear chute for the movable push plate to slide.
As still further aspects of the utility model: two oil passing holes which are staggered with the oil conveying holes are symmetrically formed in the upper end and the lower end of the movable pressing frame, and the inner diameter of each oil passing hole is equal to that of each oil conveying hole.
As still further aspects of the utility model: the appearance of removing the frame that presses is C word form, remove the outer wall of pressing the frame and the inner wall of oil pocket closely laminate.
Compared with the prior art, the utility model has the beneficial effects that:
through setting up lubricated mechanism, when driving the bearing inner race through equipment and rotating, this moment through the cooperation of ball, spacing groove, bearing outer lane, can make the spacing collar rotate in the inboard of bearing outer lane, the cam rotates through the friction of anti-skidding rubber ring with second ring channel inner wall under the drive of spacing collar simultaneously, when the protruding portion of cam contacts through anti-skidding rubber ring and second ring channel's inner wall, promote through the removal push pedal and remove the dynamic frame along spacing slide, sealing baffle's outer wall removal, this removes the dynamic frame shrink through removing the extrusion rubber pad, until the opening of crossing the oilhole aligns with the opening of oil delivery hole, simultaneously the lubricating oil passes under the centrifugal force that the spacing collar rotated and passes the inside of oilhole, oil delivery hole to the spacing groove and contact with the outer wall of ball, thereby can realize the outer wall automatic the smearing of ball, effectively reduce the friction duration between ball and bearing outer lane, the bearing inner race.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a cross-sectional structure of the outer race, inner race and stop collar of the present utility model;
FIG. 3 is a schematic view of a portion of a lubrication mechanism according to the present utility model;
fig. 4 is an enlarged partial schematic view of fig. 2 at a in accordance with the present utility model.
In the figure: 1. a bearing outer ring; 2. a lubrication mechanism; 201. a rubber pad; 202. moving the press frame; 203. an oil passing hole; 204. moving the push plate; 205. an anti-slip rubber ring; 206. a cam; 207. a limit sliding plate; 208. an oil chamber; 209. an oil delivery hole; 2010. a sealing baffle; 3. a limit ring; 4. a bearing inner ring; 5. a ball; 6. a first annular groove; 7. a limit groove; 8. and a second annular groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, in an embodiment of the present utility model, an integral three-point contact ball bearing for a steering gear includes a bearing outer ring 1, a stop collar 3 is disposed at an inner side of the bearing outer ring 1, a bearing inner ring 4 is disposed at an inner side of the stop collar 3, a plurality of stop grooves 7 are circumferentially formed on the stop collar 3, balls 5 are rotationally connected to an inner side of each of the plurality of stop grooves 7, outer walls of the plurality of balls 5 are in contact with an inner wall of the bearing outer ring 1 and an outer wall of the bearing inner ring 4, a plurality of lubrication mechanisms 2 are circumferentially disposed on the stop collar 3, the plurality of lubrication mechanisms 2 are staggered with the plurality of stop grooves 7, and the lubrication mechanisms 2 are used for smearing lubrication oil on outer walls of the balls 5 when the bearing inner ring 4 rotates;
the lubrication mechanism 2 includes:
the oil cavity 208 is formed in the limit ring 3 and is positioned between the two limit grooves 7, oil delivery holes 209 communicated with the inner cavities of the limit grooves 7 are symmetrically formed at the upper end and the lower end of the inner wall of the oil cavity 208, limit sliding plates 207 are symmetrically formed at the upper end and the lower end of the inner wall of the oil cavity 208, and two sealing baffles 2010 are symmetrically formed at one end, close to the bearing inner ring 4, of the inner wall of the oil cavity 208;
the lubrication mechanism 2 further includes:
the inside sliding connection of oil pocket 208 has the removal press frame 202, remove press frame 202 and limit slide 207 sliding connection, and with the one end outer wall that two sealing baffle 2010 kept away from each other contacts, the upper and lower end symmetry that removes press frame 202 is close to one end of bearing inner race 4 is provided with two rubber pads 201 that cup joint at limit slide 207 outer wall, the outer wall of rubber pad 201 upper and lower end contacts with the inner wall of oil pocket 208 and sealing baffle 2010's outer wall respectively, the one end symmetry shaping that removes press frame 202 is close to bearing outer race 1 has two removal push plates 204 that run through to the spacing collar 3 outside, be connected with cam 206 through the pivot rotation between two removal push plates 204, cam 206 is located the outside of spacing collar 3, the outer wall fixedly connected with of cam 206 and the anti-skidding rubber ring 205 that contacts of bearing outer race 1, the straight line spout that supplies to remove push plate 204 to slide is seted up on the spacing collar 3, two oil transfer holes 203 that misplaces each other with oil transfer holes 209 are seted up to the upper and lower both ends symmetry of removal press frame 202, the internal diameter of oil transfer holes 203 equals with the internal diameter of 209.
In this embodiment: when the device is used, when equipment drives the bearing inner ring 4 to rotate (for example, the output end of a motor), a plurality of balls 5 rotate in the limit groove 7 under the drive of the friction force of the bearing inner ring 4, and meanwhile, the balls 5 drive the limit ring 3 to rotate in the inner side of the bearing outer ring 1 through the friction force between the balls and the inner wall of the bearing outer ring 1;
in the process, the cam 206 is driven by the limit ring 3 to displace through the movable push plate 204, meanwhile, the anti-slip rubber ring 205 is driven by the cam 206 to rub against the inner wall of the second annular groove 8, so that the cam 206 is driven by the anti-slip rubber ring 205 to rotate between the two movable push plates 204 through the rotating shaft, when the protruding part of the cam 206 is contacted with the inner wall of the second annular groove 8 through the anti-slip rubber ring 205, the movable push plate 204 slides along the inner wall of the limit ring 3 under the pushing of the cam 206, meanwhile, the movable press frame 202 moves along the inner wall of the oil cavity 208, the limit slide plate 207 and the outer wall of the seal baffle 2010 under the pushing of the movable push plate 204, and at the moment, the movable press frame 202 contracts through the movable press rubber pad 201 until the opening of the oil passing hole 203 is aligned with the opening of the oil conveying hole 209 under the driving of the movable press frame 202, and meanwhile, the lubricating oil in the oil cavity 208 is contacted with the outer wall of the ball 5 under the centrifugal force generated by the rotation of the limit ring 3, and passes through the oil passing hole 203 and the oil conveying hole 209 to the inner part of the limit groove 7, so that the outer wall of the ball 5 is contacted with the ball 5, and the outer wall of the ball 5 is automatically smeared, and the duration between the ball 5 and the bearing 1 and the bearing 4 is effectively reduced;
when the protruding part of the cam 206 is separated from the inner wall of the second annular groove 8 by the anti-slip rubber ring 205, or when the rotation of the limit ring 3 is stopped, the rubber pad 201 pushes the movable compression frame 202 to reset by injection elasticity, so that the cam 206 can be automatically reset, and the transmission of lubricating oil to the inside of the limit groove 7 is stopped.
Referring to fig. 2 to 4, a second annular groove 8 contacting with the outer wall of the ball 5 is formed in the bearing outer ring 1, a first annular groove 6 contacting with the outer wall of the ball 5 is formed in the outer wall of the bearing inner ring 4, and the vertical section of the inner wall of the first annular groove 6 is in a peach-shaped groove shape.
In this embodiment: by means of the inner wall in the form of a peach-shaped groove, the axial load-carrying capacity, rigidity and anti-overturning capacity of the bearing itself can be increased by the bearing inner ring 4 via the first annular groove 6.
Referring to fig. 2 to 4, the movable pressing frame 202 has a C-shaped outer shape, and an outer wall of the movable pressing frame 202 is closely attached to an inner wall of the oil cavity 208.
In this embodiment: by tightly fitting the inner wall of the oil cavity 208 and being in a C-shaped shape, the movable pressing frame 202 can perform limit sliding on the inner wall of the oil cavity 208.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides an integral three-point contact ball bearing for steering gear, includes bearing outer lane (1), the inboard of bearing outer lane (1) is provided with spacing collar (3), the inboard of spacing collar (3) is provided with bearing inner race (4), a plurality of spacing grooves (7) have been seted up to circumference on spacing collar (3), a plurality of the inside of spacing groove (7) is all rotated and is connected with ball (5), a plurality of the outer wall of ball (5) contacts with the inner wall of bearing outer lane (1) and the outer wall of bearing inner race (4), a serial communication port, circumference is provided with a plurality of lubrication mechanism (2) on spacing collar (3), a plurality of lubrication mechanism (2) are crisscross each other with a plurality of spacing groove (7), lubrication mechanism (2) are used for applying lubricating oil to the outer wall of ball (5) when bearing inner race (4) rotate;
the lubrication mechanism (2) comprises:
offer in the inside of spacing collar (3), and be located oil pocket (208) between two spacing groove (7), oil delivery hole (209) that link up each other with the inner chamber of spacing groove (7) are offered to the upper and lower end symmetry of oil pocket (208) inner wall, the upper and lower end of oil pocket (208) inner wall is equal symmetrical shaping has spacing slide (207), the one end symmetrical shaping that is close to bearing inner race (4) of oil pocket (208) inner wall has two sealing baffle (2010).
2. An integrated three-point contact ball bearing for a steering gear according to claim 1, wherein said lubrication mechanism (2) further comprises:
the inside sliding connection of oil pocket (208) has removes and presses frame (202), remove and press frame (202) and spacing slide (207) sliding connection, and with the one end outer wall that two sealing baffle (2010) kept away from each other contact, it is provided with two rubber pads (201) that cup joint at spacing slide (207) outer wall to remove the upper and lower end symmetry that frame (202) is close to bearing inner race (4) one end, the outer wall of rubber pad (201) upper and lower end contacts with the inner wall of oil pocket (208) and the outer wall of sealing baffle (2010) respectively, it has two removal push plates (204) that run through to spacing collar (3) outside to remove the one end symmetry shaping that frame (202) is close to bearing outer race (1), two be connected with cam (206) through the pivot rotation between removing push plates (204), cam (206) are located the outside of spacing collar (3), the outer wall fixedly connected with of cam (206) and the inner wall of bearing outer race (1) contact anti-skidding rubber ring (205).
3. The integral three-point contact ball bearing for a steering gear according to claim 1, wherein a second annular groove (8) which is in contact with the outer wall of the ball (5) is formed in the bearing outer ring (1), a first annular groove (6) which is in contact with the outer wall of the ball (5) is formed in the outer wall of the bearing inner ring (4), and the vertical section of the inner wall of the first annular groove (6) is in a peach-shaped groove shape.
4. The integral three-point contact ball bearing for the steering gear according to claim 2, wherein the limit ring (3) is provided with a linear chute for sliding the movable push plate (204).
5. The integral three-point contact ball bearing for a steering gear according to claim 2, wherein two oil passing holes (203) which are staggered with the oil conveying holes (209) are symmetrically formed at the upper end and the lower end of the movable pressing frame (202), and the inner diameter of the oil passing holes (203) is equal to the inner diameter of the oil conveying holes (209).
6. The integral three-point contact ball bearing for a steering gear according to claim 2, wherein the movable pressing frame (202) has a C-shaped outer shape, and an outer wall of the movable pressing frame (202) is tightly attached to an inner wall of the oil chamber (208).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322558085.2U CN220791803U (en) | 2023-09-20 | 2023-09-20 | Integral three-point contact ball bearing for steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322558085.2U CN220791803U (en) | 2023-09-20 | 2023-09-20 | Integral three-point contact ball bearing for steering gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220791803U true CN220791803U (en) | 2024-04-16 |
Family
ID=90654956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322558085.2U Active CN220791803U (en) | 2023-09-20 | 2023-09-20 | Integral three-point contact ball bearing for steering gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220791803U (en) |
-
2023
- 2023-09-20 CN CN202322558085.2U patent/CN220791803U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |