Wear-resistant bearing for automobile

Abstract

The utility model provides a wear-resistant bearing for an automobile, which belongs to the technical field of automobile bearings and comprises a bearing outer ring. The number of the rotating ball grooves is multiple, and the multiple rotating ball grooves are all formed in the circumferential inner wall of the bearing outer ring; the number of the rotating beads is multiple, and the multiple rotating beads are rotationally connected into the multiple rotating bead grooves correspondingly; the oil storage groove is formed in the bearing outer ring, and lubricating oil is arranged in the oil storage groove; the oil outlet groove is formed in the circumferential inner wall of the oil storage groove and the upper inner wall of one of the ball rotating grooves; the bearing inner ring is rotationally connected into the bearing outer ring; and the supporting groove is formed in the circumferential surface of the bearing inner ring, a part of lubricating oil lubricates the moving end of the device, abrasion caused when the device operates is reduced, and then the service life of the device is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile bearings, and in particular relates to a wear-resistant bearing for automobiles. Background Art

[0002] Bearings are an important component in modern mechanical equipment. Their main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy.

[0003] Authorization publication number "CN213298581U" discloses a wear-resistant bearing, including a bearing outer ring, a bearing inner ring and a ball, the surfaces of the bearing outer ring and the bearing inner ring are fixedly connected with a composite ceramic wear-resistant layer, the end of the fastening block is tightly against the ball, the ball is tightly fitted with the fastening block and the silicon carbide wear-resistant layer, and one end of the heat dissipation channel is connected to the bottom of the mounting groove. The device enhances the wear resistance of the bearing through the carbon fiber wear-resistant layer, the silicon carbide wear-resistant layer and the composite ceramic wear-resistant layer, which is conducive to improving the service life of the bearing. Through the fixed groove, the silicone rubber spring pad and the fastening block, it is convenient to buffer and absorb the shaking force generated by wear between the ball and the inner ring of the bearing, which is conducive to further extending the service life of the bearing. Through the heat dissipation channel, the heat-conducting copper sheet and the flaring groove, the heat extraction efficiency of the inner ring of the bearing is enhanced, and the heat dissipation area is increased, which is conducive to enhancing the heat dissipation performance of the bearing and facilitating the further improvement of the service life of the bearing.

[0004] The above new type increases the heat dissipation area, which is beneficial to enhance the heat dissipation performance of the bearing, and is convenient for once again improving the service life of the bearing. However, automobile bearings are in external environments such as roads for a long time, and automobile exhaust and dust will increase the friction coefficient of each module of the bearing. Even if the bearing material is changed, the bearing will still wear faster. Summary of the invention

[0005] The utility model aims to provide a wear-resistant bearing for automobiles, aiming to solve the problem in the prior art that automobile exhaust and ash layers increase the friction coefficient of each bearing module, and even if the bearing material is changed, the bearing will still wear faster.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A wear-resistant bearing for automobile, comprising:

[0008] Bearing outer ring;

[0009] A ball rotating groove, wherein a plurality of the ball rotating grooves are provided, and the plurality of the ball rotating grooves are all opened on the circumferential inner wall of the bearing outer ring;

[0010] A rotating bead, wherein a plurality of the rotating beads are provided, and the plurality of the rotating beads are rotatably connected to a plurality of rotating bead grooves respectively;

[0011] An oil storage tank, the oil storage tank is opened in the outer ring of the bearing, and the oil storage tank is provided with lubricating oil;

[0012] An oil outlet groove, the oil outlet groove is opened on the circumferential inner wall of the oil storage groove and the upper inner wall of one of the ball rotating grooves;

[0013] A bearing inner ring, the bearing inner ring is rotatably connected to the bearing outer ring;

[0014] A support groove is provided on the circumferential surface of the inner ring of the bearing, and a plurality of the rotating beads rotate in the support groove.

[0015] As a preferred solution of the utility model, the lateral length of the support groove is equal to the height of the rotating ball, and the lower opening width of the rotating ball groove is smaller than the diameter of the rotating ball.

[0016] As a preferred solution of the utility model, an output hole is provided at one side end of the outer ring of the bearing, a spring groove is provided on one inner wall of the output hole, a sealing block is slidably connected in the spring groove, and a sealing spring is fixedly connected between one side end of the sealing block and one inner wall of the spring groove.

[0017] As a preferred solution of the utility model, a first through hole is formed at one side end of the blocking block, a second through hole is formed at an inner wall of one side of the spring groove, and the second through hole is connected to the oil storage tank.

[0018] As a preferred solution of the utility model, one side end of the blocking block is fixedly connected with a closing block, and the closing block is made of rubber material and slides in the output hole.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. In this scheme, through this device, when the inner ring of the bearing rotates, it drives the rotating ball to rotate. At this time, the surface of the rotating ball that is released from the lubricating oil in the oil outlet groove rotates, bringing part of the lubricating oil out of the oil outlet groove. As the rotating ball continues to rotate, the lubricating oil is moved and smeared on the surface of the support groove and multiple rotating balls to achieve a lubricating effect, reduce the wear caused by the operation of the device, and thus increase the service life of the device.

[0021] 2. In this solution, through this device, when the device is in a stationary state, the opening of the oil outlet groove is blocked by the rotating bead to avoid wasting lubricating oil. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 It is a structural stereogram of the utility model;

[0024] Figure 2 It is a structural cross-sectional view of the utility model;

[0025] Figure 3 It is a cross-sectional exploded view of the structure in the utility model;

[0026] Figure 4 For this utility model Figure 3 Enlarged view of point A in the middle.

[0027] In the figure: 1. outer ring of bearing; 2. rotating ball groove; 3. rotating ball; 4. oil storage groove; 5. oil outlet groove; 6. inner ring of bearing; 7. support groove; 8. output hole; 9. spring groove; 10. second through hole; 11. blocking block; 12. first through hole; 13. blocking spring; 14. closing block. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0029] See also Figure 1-Figure 4 , the utility model provides the following technical solutions:

[0030] A wear-resistant bearing for automobile, comprising:

[0031] Bearing outer ring 1;

[0032] A ball rotating groove 2, wherein a plurality of the ball rotating grooves 2 are provided, and the plurality of ball rotating grooves 2 are all opened on the circumferential inner wall of the bearing outer ring 1;

[0033] A rotating bead 3, wherein a plurality of rotating beads 3 are provided, and the plurality of rotating beads 3 are rotatably connected to the plurality of rotating bead slots 2 respectively;

[0034] An oil storage tank 4 is provided in the bearing outer ring 1 and contains lubricating oil;

[0035] An oil outlet groove 5, which is provided on the circumferential inner wall of the oil storage groove 4 and the upper inner wall of one of the ball rotating grooves 2;

[0036] The bearing inner ring 6 is rotatably connected to the bearing outer ring 1;

[0037] The supporting groove 7 is provided on the circumferential surface of the bearing inner ring 6 , and the plurality of rotating beads 3 rotate in the supporting groove 7 .

[0038] In a specific embodiment of the utility model, the rotating ball 3 is cylindrical and rotates in the rotating ball groove 2. The rotating ball 3 is supported by the rotating ball groove 2 and is partially arranged in the rotating ball groove 2 and partially in the supporting groove 7. The width of the supporting groove 7 is equal to the height of the rotating ball 3. The bearing inner ring 6 is inserted into the bearing outer ring 1 and supported 360 degrees by multiple rotating beads 3 so that the bearing outer ring 1 is sleeved on the outside of the bearing inner ring 6, and the bearing inner ring 6 can rotate in the bearing outer ring 1. The oil storage tank 4 is opened in the bearing outer ring 1 for storing lubricating oil. The oil outlet groove 5 is a channel for the lubricating oil to flow into the rotating ball groove 2. When the rotating ball 3 is stationary, the opening of the oil outlet groove 5 It is blocked by the rotating ball 3 to avoid wasting the lubricating oil. When the bearing inner ring 6 rotates, it drives the rotating ball 3 to rotate. At this time, the surface of the rotating ball 3 that is released from the lubricating oil in the oil outlet groove 5 rotates, bringing part of the lubricating oil out of the oil outlet groove 5. As the rotating ball 3 continues to rotate, the lubricating oil is moved and smeared on the surface of the supporting groove 7 and multiple rotating balls 3 to achieve a lubricating effect, so that when the device is in a stationary state, there will be no consumption of lubricating oil. In the operating state, the rotating ball 3 rotates to allow part of the lubricating oil to lubricate the moving end of the device, thereby reducing the wear caused by the operation of the device and increasing the service life of the device.

[0039] For details, please refer to Figure 1-Figure 4 The lateral length of the support groove 7 is equal to the height of the rotating ball 3, and the lower opening width of the rotating ball groove 2 is smaller than the diameter of the rotating ball 3.

[0040] In this embodiment: the opening of the rotating ball groove 2 is smaller than the diameter of the rotating ball 3, and then multiple rotating balls 3 are fixed in the rotating ball groove 2 and supported. The horizontal straight lengths of the rotating balls 3 and the supporting groove 7 are equal, so that the inner ring 6 of the bearing is stuck by the multiple rotating balls 3 and can only rotate.

[0041] For details, please refer to Figure 1-Figure 4 An output hole 8 is provided at one end of the bearing outer ring 1, a spring groove 9 is provided on the inner wall of one side of the output hole 8, a blocking block 11 is slidably connected in the spring groove 9, and a blocking spring 13 is fixedly connected between one end of the blocking block 11 and the inner wall of one side of the spring groove 9.

[0042] In this embodiment: the output hole 8, the spring groove 9 and the oil storage tank 4 are interconnected, the output hole 8 is the oil inlet of the oil storage tank 4 to replenish the lubricating oil in the oil storage tank 4, the blocking block 11 blocks the opening of the output hole 8 to prevent the lubricating oil from leaking, the blocking spring 13 is arranged at the rear end of the blocking block 11 and the blocking block 11 is always pushed against the opening of the output hole 8 by the rebound force of the blocking spring 13 to prevent the lubricating oil from leaking. When the lubricating oil needs to be replenished, a certain amount of lubricating oil can be drawn through a syringe, and then the syringe is inserted into the output hole 8, and the syringe is pushed to push the lubricating oil into the oil storage tank 4 to complete the replenishment of the lubricating oil.

[0043] For details, please refer to Figure 1-Figure 4 A first through hole 12 is formed at one side end of the blocking block 11 , and a second through hole 10 is formed at an inner wall of one side of the spring groove 9 . The second through hole 10 is connected to the oil storage tank 4 .

[0044] In this embodiment: the first through hole 12 is provided on both sides of the blocking block 11. When the blocking block 11 abuts against the opening of the output hole 8, the first through hole 12 contacts the side inner wall of the spring groove 9. When the blocking block 11 is pushed into the rear side of the spring groove 9, the lubricating oil squeezed into the output hole 8 flows from the first through hole 12 and the second through hole 10 into the oil storage tank 4 to replenish the lubricating oil in the oil storage tank 4.

[0045] For details, please refer to Figure 1-Figure 4 One side end of the blocking block 11 is fixedly connected with a closing block 14 , and the closing block 14 is made of rubber and slides in the output hole 8 .

[0046] In this embodiment: the output hole 8 is arranged on one side of the closing block 14, which is made of rubber material. When the closing spring 13 rebounds and pushes the closing block 11 against the inner wall of the spring groove 9 again, the closing block 14 is inserted into the output hole 8 and then closes the output hole 8 to prevent the lubricating oil from leaking out.

[0047] The working principle and use process of the utility model are as follows: the rotating ball 3 is cylindrical and rotates in the rotating ball groove 2. The rotating ball 3 is supported by the rotating ball groove 2, and a part of it is arranged in the rotating ball groove 2, and a part of it is in the supporting groove 7. The width of the supporting groove 7 is equal to the height of the rotating ball 3. The bearing inner ring 6 is inserted into the bearing outer ring 1 and supported 360 degrees by multiple rotating beads 3 so that the bearing outer ring 1 is sleeved on the outside of the bearing inner ring 6, and the bearing inner ring 6 can rotate in the bearing outer ring 1. The oil storage tank 4 is opened in the bearing outer ring 1 for storing lubricating oil. The oil outlet tank 5 is a channel for the lubricating oil to flow into the rotating ball groove 2. When the rotating ball 3 is stationary, the opening of the oil outlet tank 5 The opening is blocked by the rotating ball 3 to avoid wasting lubricating oil. When the bearing inner ring 6 rotates, it drives the rotating ball 3 to rotate. At this time, the surface of the rotating ball 3 that is released from the lubricating oil in the oil outlet groove 5 rotates, bringing part of the lubricating oil out of the oil outlet groove 5. As the rotating ball 3 continues to rotate, the lubricating oil is moved and smeared on the surface of the supporting groove 7 and multiple rotating balls 3 to achieve a lubricating effect, so that when the device is in a stationary state, there will be no consumption of lubricating oil. In the operating state, the rotating ball 3 rotates to allow part of the lubricating oil to lubricate the moving end of the device, thereby reducing the wear caused by the operation of the device and increasing the service life of the device.

[0048] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A wear-resistant bearing for automobile, characterized in that: include: Bearing outer ring (1); A ball rotating groove (2), wherein a plurality of the ball rotating grooves (2) are provided, and the plurality of the ball rotating grooves (2) are all opened on the circumferential inner wall of the bearing outer ring (1); A rotating bead (3), wherein a plurality of the rotating beads (3) are provided, and the plurality of rotating beads (3) are rotatably connected to the plurality of rotating bead grooves (2) respectively; An oil storage tank (4), the oil storage tank (4) being disposed in the outer ring of the bearing (1), and the oil storage tank (4) being provided with lubricating oil; An oil outlet groove (5), the oil outlet groove (5) being formed on the circumferential inner wall of the oil storage groove (4) and the upper inner wall of one of the ball rotating grooves (2); A bearing inner ring (6), the bearing inner ring (6) being rotatably connected to the bearing outer ring (1); A support groove (7), wherein the support groove (7) is formed on the circumferential surface of the bearing inner ring (6), and the plurality of rotating beads (3) rotate in the support groove (7).

2. The wear-resistant bearing for automobile according to claim 1, characterized in that: The lateral length of the support groove (7) is equal to the height of the rotating bead (3), and the width of the lower opening of the rotating bead groove (2) is smaller than the diameter of the rotating bead (3).

3. The wear-resistant bearing for automobile according to claim 2, characterized in that: An output hole (8) is provided at one end of the bearing outer ring (1), a spring groove (9) is provided on one inner wall of the output hole (8), a blocking block (11) is slidably connected in the spring groove (9), and a blocking spring (13) is fixedly connected between one end of the blocking block (11) and one inner wall of the spring groove (9).

4. The wear-resistant bearing for automobile according to claim 3, characterized in that: A first through hole (12) is formed at one end of the blocking block (11), and a second through hole (10) is formed at an inner wall of one side of the spring slot (9), wherein the second through hole (10) is connected to the oil storage tank (4).

5. The wear-resistant bearing for automobile according to claim 4, characterized in that: A closing block (14) is fixedly connected to one side end of the blocking block (11); the closing block (14) is made of rubber and slides in the output hole (8).

Images