High-strength hub bearing

Abstract

The utility model discloses a high-strength hub bearing, and particularly relates to the technical field of hub bearings, the high-strength hub bearing comprises a hub bearing body, and two groups of functional components for conveniently lubricating and cooling are arranged outside the hub bearing body; each functional assembly comprises a fixed ring, the fixed ring is sleeved with a movable ring, the movable ring is internally provided with a positioning ring, the fixed ring is sleeved with the positioning ring, and the side, close to the positioning ring, of the fixed ring is provided with a positioning groove. The positioning ring is connected with the positioning groove in a nested mode, so that the movable ring can rotate with the fixed ring as the center, a worker can operate the movable ring to drive the lubricating cotton filled with lubricating oil to make contact with the balls, and the lubricating cotton is squeezed to send out the lubricating oil to make contact with the balls. Therefore, the internal structure of the hub bearing body is lubricated and cooled, the balls can be effectively and comprehensively lubricated and cooled, the overall structure is simple, and the manufacturing cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel hub bearings, in particular to a high-strength wheel hub bearing. Background Art

[0002] The wheel hub bearing is one of the key parts of the automobile. Its main function is to bear weight and provide precise guidance for the rotation of the wheel hub, which requires it to bear both axial load and radial load. The wheel hub bearing generally includes an inner ring, an outer ring, a ball and a cage. The cage is generally set as an integrated unit. Then the ball is squeezed into the pocket of the cage. There will be frequent friction between the ball and the cage, so lubricating oil needs to be injected for lubrication.

[0003] As shown in the application document of the prior art publication number CN218760912U, it includes a bearing outer ring, a bearing inner ring, a retaining frame and a steel ball, the retaining frame includes an upper frame and a lower frame, both of which are provided with a steel ball groove, the upper end surface of the lower frame is provided with lubrication grooves on both sides of the steel ball groove, a lubrication sponge and a spring are provided in the lubrication groove, the lubrication groove is communicated with the steel ball groove, and the lubrication sponge is movably installed in the lubrication groove; and one end of the lubrication sponge extends out of the lubrication groove and abuts against the steel ball, one end of the spring is fixedly installed on the inner wall of the lubrication groove, and the other end abuts against the lubrication sponge, and oil filling holes communicating with the lubrication groove are provided on both sides of the displacement steel ball groove of the upper frame; the technical solution is provided with a spring in the lubrication groove, which can touch the lubrication sponge, so that the lubrication sponge can always abut against the steel ball, avoiding the deformation and displacement of the lubrication sponge resulting in no contact with the steel ball, resulting in lubrication failure.

[0004] However, the above technical solution has a complex structure and is difficult to manufacture. Grooves are cut inside the lower frame and springs are installed, which increases the manufacturing cost of the technical solution. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a high-strength wheel hub bearing. Through the nested connection of the positioning ring and the positioning groove, the movable ring can rotate around the fixed ring, and the staff can operate the movable ring to drive the lubricating cotton filled with lubricating oil to contact the ball. The lubricating cotton is squeezed to send the lubricating oil to contact the ball, thereby achieving lubrication and cooling of the internal structure of the wheel hub bearing body, and thereby effectively lubricating and cooling the ball in an all-round way. The overall structure is simple and the cost is low, so as to solve the problems arising from the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-strength wheel hub bearing, comprising a wheel hub bearing body, the wheel hub bearing body is provided with two groups of functional components for convenient lubrication and cooling on the outside;

[0007] Each group of functional components includes a fixed ring, a movable ring is sleeved on the outside of the fixed ring, a positioning ring is installed inside the movable ring, the positioning ring is sleeved on the outside of the fixed ring, a positioning groove is opened on one side of the fixed ring close to the positioning ring, and the positioning ring is arranged inside the positioning ring;

[0008] Lubricating cotton is installed on one side of the top and bottom ends of the movable ring close to the hub bearing body. The movable ring can rotate around the fixed ring through the nested connection of the positioning ring and the positioning groove, and the staff can operate the movable ring to drive the lubricating cotton filled with lubricating oil to contact the ball. The lubricating cotton is squeezed to send the lubricating oil to contact the ball, thereby achieving lubrication and cooling of the internal structure of the hub bearing body, and the ball can be effectively lubricated and cooled in an all-round way, and the overall structure is simple and the cost is low.

[0009] In a preferred embodiment, the wheel hub bearing body includes an inner ring, an outer ring, a plurality of balls and two covers, the two covers are sleeved on the outside of the plurality of balls, and the plurality of balls and the two covers are both arranged between the inner ring and the outer ring; the fixed ring, movable ring, positioning ring and lubricating cotton are both arranged between the inner ring and the outer ring, the side of the lubricating cotton away from the movable ring is in contact with one of the balls, the inner wall of the fixed ring is fixed to the outside of the inner ring, and the equipment can be supported and adjusted through the cooperation of the inner ring, the outer ring, the plurality of balls and the two covers.

[0010] In a preferred embodiment, two finger plates are installed on the side of the movable ring away from the outer ring, and the two finger plates are symmetrically distributed about the central axis of the movable ring. Finger grooves are opened on the side of the finger plates away from the movable ring. Through the connection between the finger plates and the movable ring, the staff can operate the finger grooves on the finger plates to rotate the movable ring, thereby improving the convenience of the staff in operating the movable ring.

[0011] In a preferred embodiment, oil inlet holes are opened through the top and bottom ends of the movable ring, and the oil inlet holes correspond to the positions of the lubricating cotton in front and back. Through the correspondence between the oil inlet holes and the lubricating cotton, the staff can fill the lubricating oil into the lubricating cotton through the oil inlet holes, so as to facilitate the subsequent operation of the lubricating cotton to lubricate and cool the ball.

[0012] In a preferred embodiment, a sealing plug is provided on the side of the movable ring away from the outer ring, and the sealing plug extends into the oil inlet hole at one end close to the movable ring. The oil inlet hole can be sealed and closed by the setting of the sealing plug.

[0013] In a preferred embodiment, a plurality of through holes are opened through the movable ring, and the plurality of through holes are evenly spaced apart. A dustproof net is installed inside the through holes. The dustproof net can ensure air circulation and prevent impurities from entering through the through holes and causing pollution.

[0014] Technical effects and advantages of the utility model:

[0015] 1. Through the nested connection of the positioning ring and the positioning groove, the movable ring can rotate with the fixed ring as the center, and the staff can operate the movable ring to drive the lubricating cotton filled with lubricating oil to contact the ball. The lubricating cotton is squeezed to send the lubricating oil to contact the ball, thereby realizing lubrication and cooling of the internal structure of the wheel hub bearing body, and thus can effectively lubricate and cool the ball comprehensively, and the overall structure is simple and the cost is low;

[0016] 2. Through the cooperation of the movable ring and the fixed ring, the ball can be shielded and protected to avoid damage to the ball caused by collision and impact, and to prevent dust and other impurities from adhering to the ball and affecting its movement stability and service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a front view of the hub bearing body of the utility model;

[0019] Figure 3 This is the front view of the inner ring of the utility model;

[0020] Figure 4 It is a top cross-sectional view of the movable ring of the utility model;

[0021] Figure 5 It is an exploded view of the movable ring of the utility model.

[0022] The accompanying drawings are marked as follows: 1. fixed ring; 2. movable ring; 3. positioning ring; 4. positioning groove; 5. lubricating cotton; 6. inner ring; 7. outer ring; 8. ball; 9. cover; 10. finger plate; 11. finger groove; 12. oil inlet hole; 13. sealing plug; 14. through hole; 15. dust net. DETAILED DESCRIPTION

[0023] 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.

[0024] Refer to the instruction manual Figure 1-5 The utility model provides a high-strength wheel hub bearing, comprising a wheel hub bearing body, wherein the wheel hub bearing body is provided with two sets of functional components for convenient lubrication and cooling on the outside;

[0025] In order to improve the convenience of lubrication and reduce the cost, such as Figure 1 , 2 As shown in , 4 and 5, each group of functional components includes a fixed ring 1, a movable ring 2 is sleeved on the outside of the fixed ring 1, a positioning ring 3 is installed inside the movable ring 2, the positioning ring 3 is sleeved on the outside of the fixed ring 1, a positioning groove 4 is opened on the side of the fixed ring 1 close to the positioning ring 3, and the positioning ring 3 is arranged inside the positioning ring 3; lubricating cotton 5 is installed on the top and bottom ends of the movable ring 2 close to the wheel hub bearing body.

[0026] Specifically, through the nested connection between the positioning ring and the positioning groove, the movable ring can rotate around the fixed ring, which is convenient for the staff to operate the movable ring to drive the lubricating cotton filled with lubricating oil to contact the ball for lubrication and cooling, thereby achieving the effect of comprehensive lubrication and cooling of the ball, and the overall structure is simple and the cost is low.

[0027] In order to facilitate the support adjustment of the equipment, such as Figure 1-3 It is shown that the wheel hub bearing body includes an inner ring 6, an outer ring 7, multiple balls 8 and two cover shells 9. The two cover shells 9 are sleeved on the outside of the multiple balls 8. The multiple balls 8 and the two cover shells 9 are all arranged between the inner ring 6 and the outer ring 7; the fixed ring 1, the movable ring 2, the positioning ring 3 and the lubricating cotton 5 are all arranged between the inner ring 6 and the outer ring 7. The side of the lubricating cotton 5 away from the movable ring 2 is in contact with one of the balls 8. The inner wall of the fixed ring 1 is fixed to the outside of the inner ring 6. Through the cooperation of the inner ring 6, the outer ring 7, the multiple balls 8 and the two cover shells 9, the equipment can be supported and adjusted.

[0028] In order to improve the convenience of operating the movable ring 2, as Figure 1 , 2 As shown in Figure 5, two finger plates 10 are installed on the side of the movable ring 2 away from the outer ring 7, and the two finger plates 10 are symmetrically distributed about the central axis of the movable ring 2. A finger groove 11 is opened on the side of the finger plate 10 away from the movable ring 2. Through the connection between the finger plate 10 and the movable ring 2, the staff can operate the finger groove 11 on the finger plate 10 to rotate the movable ring 2, thereby improving the convenience of the staff in operating the movable ring 2.

[0029] In order to facilitate the staff to fill the lubricating oil into the lubricating cotton 5, Figure 1 , 2As shown in Figure 5, an oil inlet hole 12 is formed inside the top and bottom ends of the movable ring 2. The oil inlet hole 12 corresponds to the position of the lubricating cotton 5 in front and back. Through the correspondence between the oil inlet hole 12 and the lubricating cotton 5, the staff can fill the lubricating oil into the lubricating cotton 5 through the oil inlet hole 12, so as to facilitate the subsequent operation of the lubricating cotton 5 to lubricate and cool the ball 8. A sealing plug 13 is provided on the side of the movable ring 2 away from the outer ring 7. The sealing plug 13 extends to the inside of the oil inlet hole 12 near one end of the movable ring 2. The oil inlet hole 12 can be sealed and closed by the setting of the sealing plug 13.

[0030] In order to prevent impurities from adhering to the ball 8 and affecting the use effect and service life of the ball 8, Figure 1 , 2 As shown in Figures 4 and 5, a plurality of through holes 14 are formed inside the movable ring 2, and the plurality of through holes 14 are evenly spaced. A dustproof net 15 is installed inside the through holes 14. The dustproof net 15 can ensure air circulation and prevent impurities from entering through the through holes 14 to cause pollution.

[0031] Through the nested connection between the positioning ring 3 and the positioning groove 4, the movable ring 2 can rotate around the fixed ring 1, so that after the staff fills the lubricating oil into the lubricating cotton 5 through the oil inlet hole 12, the movable ring 2 can be operated to drive the lubricating cotton 5 to rotate, so that the lubricating cotton 5 with lubricating oil can contact the ball 8, and the lubricating cotton 5 is squeezed to send the lubricating oil to contact the ball 8, thereby achieving lubrication and cooling of the internal structure of the hub bearing body, and the structure is simple, the cost is low, and the ball 8 can be effectively lubricated and cooled comprehensively.

[0032] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A high-strength wheel hub bearing, comprising a wheel hub bearing body, characterized in that: The hub bearing body is provided with two groups of functional components for convenient lubrication and cooling outside; Each group of functional components comprises a fixed ring (1), the fixed ring (1) is sleeved with a movable ring (2), the movable ring (2) is internally provided with a positioning ring (3), the positioning ring (3) is sleeved on the outside of the fixed ring (1), a positioning groove (4) is provided on a side of the fixed ring (1) close to the positioning ring (3), and the positioning ring (3) is arranged inside the positioning ring (3); Lubricating cotton (5) is installed on one side of the top end and the bottom end of the movable ring (2) close to the hub bearing body.

2. A high-strength wheel hub bearing according to claim 1, characterized in that: The wheel hub bearing body comprises an inner ring (6), an outer ring (7), a plurality of balls (8) and two covers (9), wherein the two covers (9) are sleeved outside the plurality of balls (8), and the plurality of balls (8) and the two covers (9) are both arranged between the inner ring (6) and the outer ring (7); The fixed ring (1), the movable ring (2), the positioning ring (3) and the lubricating cotton (5) are all arranged between the inner ring (6) and the outer ring (7); the lubricating cotton (5) is in contact with one of the balls (8) on the side away from the movable ring (2); and the inner wall of the fixed ring (1) is fixed to the outside of the inner ring (6).

3. A high-strength wheel hub bearing according to claim 2, characterized in that: Two finger plates (10) are installed on the side of the movable ring (2) away from the outer ring (7), and the two finger plates (10) are symmetrically distributed about the central axis of the movable ring (2). A finger groove (11) is opened on the side of the finger plate (10) away from the movable ring (2).

4. A high-strength wheel hub bearing according to claim 2, characterized in that: The top end and the bottom end of the movable ring (2) are both penetrated by oil inlet holes (12), and the positions of the oil inlet holes (12) and the lubricating cotton (5) correspond to each other in front and back.

5. A high-strength wheel hub bearing according to claim 4, characterized in that: A sealing plug (13) is provided on the side of the movable ring (2) away from the outer ring (7), and an end of the sealing plug (13) close to the movable ring (2) extends to the inside of the oil inlet hole (12).

6. The high-strength wheel hub bearing according to claim 1, characterized in that: A plurality of through holes (14) are formed through the inside of the movable ring (2), and the plurality of through holes (14) are evenly spaced and distributed, and a dustproof net (15) is installed inside the through holes (14).

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