CN217842406U

CN217842406U - Waterproof hub bearing

Info

Publication number: CN217842406U
Application number: CN202221324304.XU
Authority: CN
Inventors: 陈方日; 陈筱艺
Original assignee: Zhejiang Zhongjian Precision Machinery Co ltd
Current assignee: Zhejiang Zhongjian Precision Machinery Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-11-18
Anticipated expiration: 2032-05-30

Abstract

The utility model relates to a wheel hub bearing technical field, specific waterproof wheel hub bearing that says so, including first flange, second flange, bearing body, dustproof subassembly and spacing subassembly, dustproof subassembly sets up on the bearing body, and dustproof subassembly includes dustproof otter board and dismouting piece, and the fixed welding of dismouting piece is in dustproof otter board bottom, and the bearing body sets up between first flange and second flange, and spacing subassembly sets up between the bearing body; the utility model discloses a dustproof otter board prevents that the dust from getting into the inherent axial cavity of axial cavity and accumulating the normal work that influences the bearing, improve the life of operating mass and bearing, seal up the axial cavity through the sealing rubber circle, avoid the vehicle moisture to get into the axial cavity when driving and cause the influence to inner structure, make it corrode and rust, improve the life of bearing, through the dismouting piece, the horizontal piece, the T-arrangement groove is carried out the dismouting to dustproof otter board with the cooperation convenient to use in dismouting groove, and is simple and convenient, reduce the working cost of the dustproof otter board of clearance.

Description

Waterproof hub bearing

Technical Field

The utility model relates to a wheel hub bearing specifically is waterproof wheel hub bearing, belongs to wheel hub bearing technical field.

Background

The hub bearing is one of key parts of an automobile, and is mainly used for bearing weight and providing accurate guide for the rotation of a hub, so that the hub bearing is required to bear axial load and radial load, however, the conventional hub bearing has certain defects, in some special environments, a vehicle can stay in water for a long time to work, moisture can enter between a bearing outer shell and a bearing inner shell to corrode structures such as balls, the service life of the bearing is shortened, meanwhile, in the using process of the bearing, due to the fact that no dustproof structure exists, dust can accumulate in a gap between the bearing outer shell and the bearing inner shell to influence the normal work of the bearing, after the bearing is used for a long time, the balls inside the bearing can be abraded, the balls can float in the space between the inner shell and the outer shell, the rotation of the hub bearing is not stable, and personal safety of drivers is easily threatened.

In view of this, a waterproof hub bearing has been proposed to help solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a waterproof wheel hub bearing just in order to solve above-mentioned problem, can seal the space both sides between bearing shell and the bearing inner shell, avoid moisture to get into its space to the knot construct overlooking, improve life, can prevent dust to the device, avoid dust access device to influence work, improve operating mass with work safety, can be spacing to the ball after long-time the use, avoid the skew operating position of ball wearing and tearing, improve the security of work, improve life.

The utility model discloses a following technical scheme realizes above-mentioned purpose, waterproof wheel hub bearing, including first flange, second flange, the bearing body, dustproof subassembly and spacing subassembly, dustproof subassembly sets up on the bearing body, dustproof subassembly is including dustproof otter board and dismouting piece, the fixed welding of dismouting piece is in dustproof otter board bottom, the bearing body sets up first flange with between the second flange, spacing subassembly sets up between the bearing body.

Further, the bearing body divide into bearing shell with the bearing inner shell, bearing shell with be formed with the axle chamber between the bearing inner shell, spacing subassembly sets up the axle intracavity, dustproof otter board with the axle chamber corresponds, and dustproof otter board avoids the dust to get into the axle chamber and accumulates in the axle chamber, improves work quality.

Furthermore, a T-shaped groove is formed in the bearing shell, a dismounting groove is formed in the T-shaped groove, the dismounting block is divided into a vertical block and a transverse block, the dismounting block corresponds to the T-shaped groove, the transverse block corresponds to the dismounting groove, and the mounting block, the transverse block, the T-shaped groove and the dismounting groove are matched and used conveniently to mount and dismount the dustproof screen plate.

Further, be provided with the sealing rubber circle in the axle chamber, the bearing inner shell with the last seal groove of having seted up of bearing shell, the sealing rubber circle sets up in the seal groove, the seal groove is convenient to be installed the sealing rubber circle, and the sealing rubber circle seals the axle chamber, avoids the vehicle moisture to get into the axle intracavity when driving and causes the influence to inner structure.

Furthermore, the first flange is arranged at the bottom of the bearing shell, the second flange is arranged at the top of the bearing shell, a first threaded hole is formed in the first flange, a first bolt is arranged in the first threaded hole, a second threaded hole is formed in the second flange, a second bolt is arranged in the second threaded hole, the first bolt and the first threaded hole are used for installing the first flange, and the second bolt and the second threaded hole are used for installing the second flange, so that the installation work of the hub bearing is facilitated.

Furthermore, spacing subassembly is including fixed spacing ring, first regulation spacing ring, second regulation spacing ring and adjusting spring, fixed spacing ring fixed welding is in on the bearing shell inside wall with on the bearing inner shell lateral wall, first regulation spacing ring with the setting of second regulation spacing ring is in the axle chamber with fixed spacing ring corresponds, adjusting spring welding is in first regulation spacing ring with between the spacing ring is adjusted to the second, and fixed spacing ring, first regulation spacing ring, second regulation spacing ring and adjusting spring's cooperation is used and is guaranteed that the ball also can continue normal work after wearing and tearing, improves the life of ball.

Further, the arc fixed slot has been seted up on the fixed spacing ring, first regulation spacing ring with the arc spacing groove has been seted up on the second regulation spacing ring, the arc fixed slot with be provided with the ball between the arc spacing groove, regulating spring elasticity is moderate, and is spacing to the ball through the cooperation convenient to use to ball, arc fixed slot and arc spacing groove, and regulating spring elasticity is moderate to guarantee can avoid the ball laminating can't roll between arc spacing groove and arc fixed slot again in order to accomplish the spacing work to the ball, guarantees that the ball can normally work.

Further, the bearing shell has been seted up the spout on the inner wall, the post groove has been seted up on the bearing inner shell outer wall, first regulation spacing ring with the spacing ring outside is adjusted to the second is provided with the slider, first regulation spacing ring with the spacing ring inboard is adjusted to the second is provided with the traveller, the slider card is established in the spout, the traveller card is established in the post groove, and the cooperation convenient to use of slider, spout, traveller and post groove guarantees to adjust the safe of spacing process and goes on.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a prevent through dustproof otter board that the dust from getting into the inherent axial cavity of axial cavity and accumulating the normal work that influences the bearing, improve the life of operating mass and bearing, seal up the axial cavity through the sealing rubber circle, avoid the vehicle moisture to get into the axial cavity when driving and cause the influence to inner structure, make it corrode and rust, improve the life of bearing, through the dismouting piece, the horizontal piece, the T-arrangement groove is carried out the dismouting to dustproof otter board with the cooperation convenient to use in dismouting groove, and is simple and convenient, and the working cost of the dustproof otter board of clearance is reduced.

2. The utility model discloses a spacing ring is adjusted to the first regulation spacing ring of regulating spring extrusion and second and is removed, and the slider slides in the spout, and the traveller slides in the post inslot, makes the ball still stop between arc fixed slot and arc spacing groove, avoids the ball to take place the space drunkenness of wearing and tearing between inner shell and shell, causes the rotation of wheel hub bearing not steady, threatens the personal safety of driver, improves the safety in utilization of bearing and improves the life of ball.

Drawings

Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

fig. 3 is a schematic perspective view of the dustproof assembly of the present invention;

fig. 4 is an enlarged schematic view of the utility model at the point B in fig. 3;

fig. 5 is a schematic perspective view of the limiting assembly of the present invention;

fig. 6 is a schematic perspective view of a second adjustable limiting ring according to the present invention;

in the figure: 1. a first flange; 2. a second flange; 3. a bearing body; 4. a dust-proof component; 41. a dustproof screen plate; 42. disassembling and assembling the blocks; 5. a limiting component; 51. fixing a limiting ring; 52. a first adjusting limit ring; 53. a second adjusting limit ring; 54. adjusting the spring; 6. a bearing housing; 7. a bearing inner shell; 8. a T-shaped slot; 9. disassembling and assembling the groove; 10. a vertical block; 11. a transverse block; 12. sealing the rubber ring; 13. a first bolt; 14. a second threaded hole; 15. an arc-shaped fixing groove; 16. an arc-shaped limiting groove; 17. a slider; 18. a slide column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the waterproof hub bearing includes a first flange 1, a second flange 2, a bearing body 3, a dustproof assembly 4 and a limiting assembly 5, wherein the dustproof assembly 4 is disposed on the bearing body 3, the dustproof assembly 4 includes a dustproof mesh plate 41 and a mounting and dismounting block 42, the mounting and dismounting block 42 is fixedly welded to the bottom of the dustproof mesh plate 41, the bearing body 3 is disposed between the first flange 1 and the second flange 2, and the limiting assembly 5 is disposed between the bearing bodies 3.

Bearing body 3 divide into bearing shell 6 and bearing inner shell 7, be formed with the axle cavity between bearing shell 6 and the bearing inner shell 7, spacing subassembly 5 sets up in the axle cavity, dustproof mesh plate 41 corresponds with the axle cavity, dustproof mesh plate 41 prevents that the dust from getting into the normal work that the bearing is influenced to the interior build up of axle cavity, set up dismouting groove 9 on T-slot 8,T shape groove 8 on the bearing shell 6, dismouting piece 42 divide into vertical block 10 and horizontal block 11, dismouting piece 42 corresponds with T-slot 8, horizontal block 11 corresponds with dismouting groove 9, through dismouting piece 42, horizontal block 11, the cooperation convenient to use of T-slot 8 and dismouting groove 9 carries out the dismouting to dustproof mesh plate 41, and is simple and convenient, reduce the working cost of clearing up dustproof mesh plate 41, be provided with sealing rubber ring 12 in the axle cavity, bearing inner shell 7 and bearing shell 6 are provided with the seal groove, sealing rubber ring 12 sets up in the seal groove, sealing rubber ring 12 seals up the cavity, it gets into the axle cavity and causes the influence to the inner structure to avoid the moisture to get into the axle cavity when the vehicle is when the operation, make it corrode, improve the life-span of bearing inner shell 7, bearing shell and bearing shell 6 sets up the second bearing shell and bearing shell 2 sets up the second bearing shell 2 and sets up the second bearing shell 2 through second flange installation screw hole 2, the second bearing shell 2 sets up the second screw hole 2 and the second bearing shell 2, the bearing shell 2, it sets up the bearing shell 2 and the second screw hole to carry out the bearing installation through the second bearing shell 2, the second bearing shell 2 on the bearing installation screw hole, the bearing shell 2, the bearing shell top installation of the bearing installation of the second screw hole, the bearing shell 2, the bearing installation of the bearing, the bearing shell 2.

The limiting component 5 comprises a fixed limiting ring 51, a first adjusting limiting ring 52, a second adjusting limiting ring 53 and an adjusting spring 54, the fixed limiting ring 51 is fixedly welded on the inner side wall of the bearing outer shell 6 and the outer side wall of the bearing inner shell 7, the first adjusting limiting ring 52 and the second adjusting limiting ring 53 are arranged in the shaft cavity and correspond to the fixed limiting ring 51, the adjusting spring 54 is welded between the first adjusting limiting ring 52 and the second adjusting limiting ring 53, an arc-shaped fixing groove 15 is formed in the fixed limiting ring 51, an arc-shaped limiting groove 16 is formed in the first adjusting limiting ring 52 and the second adjusting limiting ring 53, balls are arranged between the arc-shaped fixing groove 15 and the arc-shaped limiting groove 16, and the balls can continue to work normally after being worn through the matched use of the fixed limiting ring 51, the first adjusting limiting ring 52, the second adjusting limiting ring 53 and the adjusting spring 54, improve the life of ball, regulating spring 54 elasticity is moderate to be guaranteed can avoid the ball laminating can't roll between arc spacing groove 16 and arc fixed slot 15 again in order to accomplish the spacing work to the ball, guarantee that the ball can normally go on, the spout has been seted up on the work bearing shell 6 inner wall, the post groove has been seted up on the bearing inner shell 7 outer wall, the spacing ring 53 outside is adjusted to first regulation spacing ring 52 and second is provided with slider 17, spacing ring 53 inboard is adjusted to first regulation spacing ring 52 and second is provided with traveller 18, slider 17 card is established in the spout, traveller 18 card is established in the post groove, pass through slider 17, the spout, the cooperation convenient to use of traveller 18 and post groove guarantees to adjust spacing process's safety and goes on.

The first flange 1 is installed through the first bolt 13 and the first threaded hole, the second flange 2 is installed through the second bolt and the second threaded hole 14, the installation work of the hub bearing is completed, in operation, the dust-proof net plate 41 prevents dust from entering the shaft cavity to accumulate in the shaft cavity to influence the normal work of the bearing, the working quality and the service life of the bearing are improved, the shaft cavity is sealed through the sealing rubber ring 12, the influence of moisture entering the shaft cavity to the internal structure when a vehicle runs is avoided, the internal structure is prevented from being corroded and rusted, the service life of the bearing is prolonged, when the dust-proof net plate 41 needs to be cleaned, the dismounting block 42 rotates in the T-shaped groove 8 by rotating the dust-proof net plate 41, when the transverse block 11 is aligned with the dismounting groove 9, the protective net plate can be dismounted from the bearing shell 6 to be cleaned, through dismouting piece 42, horizontal piece 11, the cooperation convenient to use of T-slot 8 and dismouting groove 9 carries out the dismouting to dustproof otter board 41, and is simple and convenient, reduce the working cost of clearance dustproof otter board 41, after the bearing uses for a long time, wearing and tearing can take place for inside ball, this moment under regulating spring 54's effect, regulating spring 54 extrudees first regulation spacing ring 52 and second regulation spacing ring 53 and removes, slider 17 slides in the spout, traveller 18 slides in the post inslot, make the ball still stop between arc fixed slot 15 and arc spacing groove 16, avoid the ball to take place the space drunkenness of wearing and tearing between inner shell and shell, cause the rotation of hub bearing unstable, threaten driver's personal safety, improve the safety in utilization of bearing and improve the life of ball.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Waterproof wheel hub bearing, including first flange (1), second flange (2), bearing body (3), dustproof subassembly (4) and spacing subassembly (5), its characterized in that: dustproof subassembly (4) set up on bearing body (3), dustproof subassembly (4) are including dustproof otter board (41) and dismouting piece (42), dismouting piece (42) fixed welding is in dustproof otter board (41) bottom, bearing body (3) set up first flange (1) with between second flange (2), spacing subassembly (5) set up between bearing body (3).

2. The waterproof hub bearing of claim 1, wherein: bearing body (3) divide into bearing shell (6) and bearing inner shell (7), bearing shell (6) with be formed with the axle chamber between bearing inner shell (7), spacing subassembly (5) set up the axle intracavity, dustproof otter board (41) with the axle chamber corresponds.

3. The waterproof hub bearing of claim 2, wherein: the bearing comprises a bearing shell (6), and is characterized in that a T-shaped groove (8) is formed in the bearing shell (6), a dismounting groove (9) is formed in the T-shaped groove (8), the dismounting block (42) is divided into a vertical block (10) and a transverse block (11), the dismounting block (42) corresponds to the T-shaped groove (8), and the transverse block (11) corresponds to the dismounting groove (9).

4. The waterproof hub bearing of claim 2, wherein: the shaft cavity is internally provided with a sealing rubber ring (12), the bearing inner shell (7) and the bearing outer shell (6) are provided with a sealing groove, and the sealing rubber ring (12) is arranged in the sealing groove.

5. The waterproof hub bearing of claim 2, wherein: the first flange (1) is arranged at the bottom of the bearing shell (6), the second flange (2) is arranged at the top of the bearing shell (6), a first threaded hole is formed in the first flange (1), a first bolt (13) is arranged in the first threaded hole, a second threaded hole (14) is formed in the second flange (2), and a second bolt is arranged in the second threaded hole (14).

6. The waterproof hub bearing of claim 2, wherein: spacing subassembly (5) are including fixed spacing ring (51), first spacing ring (52), second spacing ring (53) and adjusting spring (54) of adjusting, fixed spacing ring (51) fixed welding is in on bearing housing (6) inside wall with on bearing housing (7) lateral wall, first spacing ring (52) of adjusting with second spacing ring (53) set up in the axle chamber with fixed spacing ring (51) correspond, adjusting spring (54) butt fusion is in first spacing ring (52) of adjusting with between second spacing ring (53).

7. The waterproof hub bearing of claim 6, wherein: an arc-shaped fixing groove (15) is formed in the fixing limiting ring (51), an arc-shaped limiting groove (16) is formed in the first adjusting limiting ring (52) and the second adjusting limiting ring (53), balls are arranged between the arc-shaped fixing groove (15) and the arc-shaped limiting groove (16), and the elasticity of the adjusting spring (54) is moderate.

8. The waterproof hub bearing of claim 7, wherein: the bearing comprises a bearing shell (6), a sliding groove is formed in the inner wall of the bearing shell (6), a column groove is formed in the outer wall of the bearing inner shell (7), a sliding block (17) is arranged on the outer side of a first adjusting limiting ring (52) and a second adjusting limiting ring (53), a sliding column (18) is arranged on the inner side of the first adjusting limiting ring (52) and the second adjusting limiting ring (53), the sliding block (17) is clamped in the sliding groove, and the sliding column (18) is clamped in the column groove.