CN213655490U

CN213655490U - Hub bearing with ABS gear ring and excellent sealing effect

Info

Publication number: CN213655490U
Application number: CN202022538073.XU
Authority: CN
Inventors: 陈磊; 王健; 刘岗起; 卢振杰
Original assignee: Shaoguan Southeast Bearing Co ltd
Current assignee: Shaoguan Southeast Bearing Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-07-09
Anticipated expiration: 2030-11-06

Abstract

The utility model relates to the technical field of bearings, a hub bearing with an ABS gear ring with excellent sealing effect is disclosed, which comprises a shell, a bearing and an ABS gear ring, wherein the bearing comprises a first bearing and a second bearing, the first bearing and the second bearing respectively comprise an inner ring, an outer ring and a roller, the outer ring is connected with the shell, the ABS gear ring is connected with the end part of the shell, and a sealing component is arranged between the shell and the inner ring; the seal assembly includes first and second seal assemblies that enclose the outer race and the rollers therein. The utility model discloses a stable in structure through setting up multistage seal lip, has improved the sealed effect of bearing greatly, has improved the life of bearing.

Description

Hub bearing with ABS gear ring and excellent sealing effect

Technical Field

The utility model relates to a bearing technical field especially relates to a sealed excellent wheel hub bearing who takes ABS ring gear of effect.

Background

In the bearing structure, a bearing seal ring is a sealing element for sealing a bearing, and has the function of preventing muddy water and dust from entering the bearing; most of the bearing sealing rings are formed by combining a rubber body and a framework. The general bearings are lubricated by grease, and the special bearings are also lubricated by oil gas, so that the main sealing media of the bearing sealing rings are mineral lubricating grease, synthetic lubricating grease, animal and vegetable grease and the like.

The working environment of a hub bearing is considered in the conventional bearing sealing structure, the sealing design is also biased to the multi-lip sealing development, the requirements of installation, long-term use, maintenance-free performance and the like are not considered, the service life of the sealing ring can be quickly shortened after the sealing ring is used for a certain time, and the sealing effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sealed excellent wheel hub bearing who takes ABS ring gear of effect. The sealing effect of the bearing can be permanently ensured.

In order to achieve the purpose, the utility model provides a take wheel hub bearing of ABS ring gear that sealed effect is good, including casing, bearing and ABS ring gear, the bearing includes first bearing and second bearing, first bearing with the second bearing all includes inner circle, outer lane and roller, the outer lane with the casing is connected, ABS ring gear is connected at the tip of casing, be provided with seal assembly between casing and the inner circle; the seal assembly includes first and second seal assemblies that enclose the outer race and the rollers therein.

Preferably, the sealing assembly comprises an inner fixing frame and an outer fixing frame, and the inner fixing frame and the outer fixing frame are annular; the cross section of the inner fixing frame comprises a first fixing ring connected with the inner ring, and a second fixing ring extending along the radial direction is connected to the first fixing ring; the end connection of second retainer plate has with the parallel third retainer plate of first retainer plate, the external fixation frame include with the fourth retainer plate that the casing is connected, be connected with on the fourth retainer plate along the fifth retainer plate of radial extension, be connected with sealing rubber on the external fixation frame.

Preferably, the sealing rubber includes a first sealing lip, a second sealing lip, a third sealing lip and a fourth sealing lip, the first sealing lip, the second sealing lip and the third sealing lip all extend in a direction away from the outer ring and the roller, and the fourth sealing lip extends in a direction close to the outer ring and the roller.

As a preferred scheme, the shell is in interference fit with the external fixing frame; the inner ring is in interference fit with the inner fixing frame.

Preferably, the fifth fixing ring has a bent portion that is close to the second fixing ring, and the third fixing ring extends toward the fifth fixing ring.

Preferably, the sealing rubber surrounds the external fixing frame.

The utility model provides a wheel hub bearing with ABS ring gear that sealing effect is good, including casing, bearing and ABS ring gear, the bearing includes first bearing and second bearing, and first bearing and second bearing all include inner circle, outer lane and roller, and the outer lane is connected with the casing, and ABS ring gear connects the tip at the casing, is provided with seal assembly between casing and the inner circle; the seal assembly includes first and second seal assemblies that enclose the outer race and the rollers therein.

Drawings

Fig. 1 is a schematic structural view of a hub bearing with an ABS ring gear having excellent sealing effect according to an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of a hub bearing with an ABS ring gear in FIG. 1 with excellent sealing effect;

in the figure, 100, the housing; 200. a bearing; 201. an inner ring; 202. an outer ring; 203. a roller; 300. an ABS gear ring; 210. a first bearing; 220. a second bearing; 400. a seal assembly; 410. a first seal assembly; 420. a second seal assembly; 510. an inner fixing frame; 511. a first retainer ring; 512. a second retainer ring; 513. a third retainer ring; 520. an outer fixing frame; 521. a fourth retainer ring; 522. a fifth retainer ring; 530. sealing rubber; 531. a first seal lip; 532. a second sealing lip; 533. a third sealing lip; 534. and a fourth sealing lip.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 and fig. 2, the utility model discloses the good wheel hub bearing of taking ABS ring gear of sealed effect of preferred embodiment can guarantee the lasting sealed effect of bearing, has improved the life of bearing.

Based on the above technical solution, the present embodiment provides a hub bearing with an ABS ring gear, which has an excellent sealing effect, and includes a housing 100, a bearing 200, and an ABS ring gear 300, where the bearing 200 includes a first bearing 210 and a second bearing 220, and the first bearing 210 and the second bearing 220 are arranged in parallel.

Specifically, each of the first bearing 210 and the second bearing 220 comprises an inner ring 201, an outer ring 202 and rollers 203, a retainer is arranged between the rollers 203, the outer ring 202 is connected with the housing 100, the ABS gear ring 300 is connected with the end of the housing 100, and a sealing assembly 400 is arranged between the housing 100 and the inner ring 201; seal assembly 400 includes a first seal assembly 410 and a second seal assembly 420, seal assembly 400 sealing first bearing 210 and second bearing 220 from both sides, first seal assembly 410 and second seal assembly 420 enclosing outer race 202 and rollers 203.

In the double bearing structure of the present embodiment, the first bearing 210 and the second bearing 220 are stably fixed by the housing 100, and the first bearing 210 and the second bearing 220 are in abutting engagement with each other, thereby sealing the first bearing 210 and the second bearing 220.

Preferably, the sealing assembly 400 includes an inner mount 510 and an outer mount 520, the inner mount 510 and the outer mount 520 having a ring shape; the cross section of the inner fixing frame 510 comprises a first fixing ring 511 connected with the inner ring 201, and a second fixing ring 512 extending along the radial direction is connected to the first fixing ring 511; the end of the second fixing ring 512 is connected with a third fixing ring 513 parallel to the first fixing ring 511, wherein the first fixing ring 511, the second fixing ring 512 and the third fixing ring 513 are sequentially connected to form a U-shaped structure, and sealing structures can be accommodated in the notches of the first fixing ring 511, the second fixing ring 512 and the third fixing ring 513, so that the sealing effect is improved.

Specifically, the outer fixing frame 520 includes a fourth fixing ring 521 connected to the housing, a fifth fixing ring 522 extending in a radial direction is connected to the fourth fixing ring 521, and a sealing rubber 530 is connected to the outer fixing frame 520. The sealing rubber 530 is used for sealing rubber of the bearing, wherein the fourth fixing ring 521 and the fifth fixing ring 522 can fix the sealing rubber and are matched with the inner fixing frame 510, so that efficient sealing of the bearing is realized.

Preferably, the sealing rubber 530 includes a first sealing lip 531, a second sealing lip 532, a third sealing lip 533 and a fourth sealing lip 534, the first sealing lip 531, the second sealing lip 532 and the third sealing lip 533 each extend in a direction away from the outer ring 202 and the roller 203, and the fourth sealing lip 534 extends in a direction close to the outer ring 202 and the roller 203. Wherein, first seal lip 531, second seal lip 532, third seal lip 533 can realize that tertiary outside muddy water, the dust of avoiding the bearing reachs the outside seal structure of bearing, and fourth seal lip 534 can form the one-level and avoid the inside lubricating oil of bearing to arrive the outside seal structure of bearing, and two-way seal structure has improved the sealed effect of bearing, can prolong the life of bearing greatly.

Preferably, the housing 100 is in interference fit with the external fixing frame 520, so that the fixing stability of the external fixing frame 520 is improved; the inner ring 201 is in interference fit with the inner fixing frame 510, so that the stability of the fixed connection of the inner fixing frame 510 and the inner ring 201 is improved.

Preferably, the fifth fixing ring 522 has a bent portion 523 closer to the second fixing ring 512, and the third fixing ring 513 extends toward the fifth fixing ring 522. The stability of the fifth retainer ring in fixing the sealing rubber 530 can be improved by the bent portion 523.

The bent portion 523 also improves the compactness of the seal structure of the present bearing, and further improves the sealing performance of the bearing.

Preferably, the sealing rubber 530 surrounds the external fixation frame 520, which improves the stability of the fixation of the sealing rubber 530.

To sum up, the utility model discloses stable in structure, through tertiary muddy water, the seal structure in the dust entering bearing that avoids the bearing outside, including the inside lubricating oil of avoiding the bearing of one-level flees the outside seal structure of bearing, has improved the sealing performance of bearing, can prolong the life of bearing greatly.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The hub bearing with the ABS gear ring is excellent in sealing effect and is characterized by comprising a shell (100), a bearing (200) and the ABS gear ring (300), wherein the bearing (200) comprises a first bearing (210) and a second bearing (220), the first bearing (210) and the second bearing (220) respectively comprise an inner ring (201), an outer ring (202) and rollers (203), the outer ring (202) is connected with the shell (100), the ABS gear ring (300) is connected to the end portion of the shell (100), and a sealing assembly (400) is arranged between the shell (100) and the inner ring (201); the seal assembly (400) includes a first seal assembly (410) and a second seal assembly (420), the first seal assembly (410) and the second seal assembly (420) enclosing the outer race (202) and the rollers (203).

2. The hub bearing with the ABS ring gear having excellent sealing effect according to claim 1, wherein the sealing assembly (400) comprises an inner fixing frame (510) and an outer fixing frame (520), the inner fixing frame (510) and the outer fixing frame (520) having a ring shape; the cross section of the inner fixing frame (510) comprises a first fixing ring (511) connected with the inner ring (201), and a second fixing ring (512) extending along the radial direction is connected to the first fixing ring (511); the end of the second fixing ring (512) is connected with a third fixing ring (513) parallel to the first fixing ring (511), the outer fixing frame (520) comprises a fourth fixing ring (521) connected with the shell, the fourth fixing ring (521) is connected with a fifth fixing ring (522) extending along the radial direction, and the outer fixing frame (520) is connected with sealing rubber (530).

3. The hub bearing with the ABS ring gear having excellent sealing effect according to claim 2, wherein the sealing rubber (530) includes a first sealing lip (531), a second sealing lip (532), a third sealing lip (533), and a fourth sealing lip (534), the first sealing lip (531), the second sealing lip (532), and the third sealing lip (533) each extend in a direction away from the outer ring (202) and the roller (203), and the fourth sealing lip (534) extends in a direction close to the outer ring (202) and the roller (203).

4. The hub bearing with the ABS ring gear having excellent sealing effect according to claim 3, wherein the housing (100) is interference-fitted with the external fixing frame (520); the inner ring (201) is in interference fit with the inner fixing frame (510).

5. The hub bearing with the ABS ring gear having excellent sealing effect according to claim 4, wherein the fifth stationary ring (522) has a bent portion (523) close to the second stationary ring (512), and the third stationary ring (513) extends toward the fifth stationary ring (522).

6. The hub bearing with the ABS ring gear having excellent sealing effect according to claim 5, wherein the sealing rubber (530) is enclosed on the external mount (520).