CN214534101U

CN214534101U - Dustproof leak protection oil sealing washer of automobile wheel hub inner circle external diameter

Info

Publication number: CN214534101U
Application number: CN202120642163.5U
Authority: CN
Inventors: 高志华
Original assignee: Hangzhou Qili Auto Parts Co ltd
Current assignee: Hangzhou Qili Auto Parts Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-10-29
Anticipated expiration: 2031-03-30

Abstract

The utility model belongs to the technical field of automobile wheel hub, especially, be a dustproof leak protection oil sealing washer of automobile wheel hub inner circle external diameter, including the bearing flange, the surface joint of bearing flange has first inner circle and second inner circle, and the surface slidable mounting of fixture block has the stopper, and the stopper is close to bellied one side and has seted up the blind hole, and the medial surface of blind hole is inlayed and is had the sealing washer, and the arch is close to one side slidable mounting of kingpin and is leaned on the circle, leans on the medial surface of circle to inlay and has the support ring. The utility model discloses a set up the stopper, the stopper can slide on the fixture block, when taking place relative rotation between second inner circle and outer lane, the sealing washer of card in the blind hole is difficult to drop, through setting up the support ring, bonds the support ring on solid fixed ring and will support and block by the circle for support and form the elasticity extrusion between circle only and the outer lane, the condition of skidding is difficult to appear, can prevent the lubricating oil leakage between second inner circle and the outer lane better.

Description

Dustproof leak protection oil sealing washer of automobile wheel hub inner circle external diameter

Technical Field

The utility model relates to an automobile wheel hub technical field specifically is a dustproof leak protection oil sealing washer of automobile wheel hub inner circle external diameter.

Background

The hub is the part of the wheel center where the axle is installed, namely the rim or steel ring. The hub is easy to be stained with dirt, and if the hub is not cleaned for a long time, the hub is likely to be corroded and deformed, so that a potential safety hazard is generated. Care should therefore be taken to maintain the hub.

There are the following problems:

1. the current dustproof sealing ring is directly covered at the gap outlet of the inner ring and the outer ring, and is easy to drop when high-speed relative rotation is carried out between the inner ring and the outer ring.

2. The current oil leakage prevention sealing ring directly abuts between the inner ring and the outer ring, and axial slipping is easily generated when the inner ring and the outer ring rotate relatively at a high speed, so that oil leakage is easily caused between the inner ring and the outer ring.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a dustproof leak protection oil seal of automobile wheel hub inner circle external diameter has solved direct lid and has dropped easily and directly supported the problem that produces the axial and skid easily at the leak protection oil seal of leaning on between inner circle and outer lane on inner circle and outer lane opening part easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dustproof leak protection oil sealing washer of automobile wheel hub inner circle external diameter, includes the bearing flange, the surface joint of bearing flange has first inner circle and second inner circle, first inner circle all rotates with the outer lane through the kingpin with the second inner circle and is connected, one side that the outer lane is close to first inner circle is fixed with the arch, first inner circle is close to bellied one side and is fixed with the fixture block, the surface slidable mounting of fixture block has the stopper, the stopper is close to bellied one side and has seted up the blind hole, the medial surface of blind hole is inlayed and is had the sealing washer, one side slidable mounting that the arch is close to the kingpin supports the circle, it inlays and has the support ring to support the medial surface of circle, it has solid fixed ring to bond in the crack of support ring and first inner circle, the sealing washer is close to solid fixed ring's one side and has seted up the detection hole.

As a preferred technical scheme of the utility model, first screw thread through-hole has been seted up to the medial surface of bearing flange, second screw thread through-hole has been seted up to one side that first inner circle was kept away from to the outer lane.

As a preferred technical scheme of the utility model, one side punching press that the second inner circle was kept away from to the outer lane becomes the spacing ring, the quantity of kingpin is two sets of.

As an optimized technical scheme of the utility model, the transversal L shape of personally submitting of support ring, the material of support ring is fluororubber.

As an optimal technical scheme of the utility model, the material of sealing washer is butadiene acrylonitrile rubber, gu fixed ring pastes in the surface of first inner circle.

Compared with the prior art, the utility model provides a dustproof leak protection oil sealing washer of automobile wheel hub inner circle external diameter possesses following beneficial effect:

1. this dustproof leak protection oil sealing washer of automobile wheel hub inner circle external diameter, through setting up the stopper, the stopper can slide on the fixture block, when taking place relative rotation between second inner circle and the outer lane, the sealing washer of card in the blind hole is difficult to drop.

2. This dustproof leak protection oil sealing washer of automobile wheel hub inner circle external diameter through setting up the support ring, bonds the support ring on solid fixed ring and will support to lean on the circle to block for support to lean on the circle only and form the elasticity extrusion between the outer lane, the condition of skidding is difficult for appearing, can prevent the lubricating oil leakage between second inner circle and the outer lane better.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the stop collar of the present invention;

fig. 3 is an enlarged schematic view of the position a of the present invention.

In the figure: 1. a bearing flange; 2. a first inner race; 3. a second inner race; 4. rolling needles; 5. an outer ring; 6. a protrusion; 7. a clamping block; 8. a limiting block; 9. blind holes; 10. a seal ring; 11. an abutment ring; 12. a support ring; 13. a fixing ring; 14. a detection hole; 15. a first threaded through hole; 16. a second threaded through hole; 17. a limit ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a dustproof leak protection oil sealing washer of automobile wheel hub inner circle external diameter, including bearing flange 1, bearing flange 1's surface joint has first inner circle 2 and second inner circle 3, first inner circle 2 all rotates with outer lane 5 through kingpin 4 with second inner circle 3 to be connected, one side that outer lane 5 is close to first inner circle 2 is fixed with protruding 6, one side that first inner circle 2 is close to protruding 6 is fixed with fixture block 7, the surface slidable mounting of fixture block 7 has stopper 8, blind hole 9 has been seted up to one side that stopper 8 is close to protruding 6, the medial surface of blind hole 9 is inlayed and is had sealing washer 10, protruding 6 one side slidable mounting that is close to kingpin 4 supports and leans on circle 11, the medial surface that leans on circle 11 is inlayed and is had support ring 12, it has solid fixed ring 13 to bond in the crack of support ring 12 and first inner circle 2, sealing washer 10 has seted up on one side that solid fixed ring 13 and has surveyed hole 14.

In the embodiment, one end of a sealing ring 10 far away from a blind hole 9 is clamped by a protrusion 6, an elastic extrusion is formed between a limiting block 8 and a second inner ring 3 by a clamping block 7, one end of the sealing ring 10 far away from the protrusion 6 is clamped by the limiting block 8, so that a gap between the second inner ring 3 and an outer ring 5 is sealed by the sealing ring 10, the sealing ring 10 prevents dust from entering the outer ring 5 and the second inner ring 3 to cause the pollution of lubricating oil, a supporting ring 12 is clamped by a supporting ring 11, so that the supporting ring 11 can form the elastic extrusion with the outer ring 5, the gap between the second inner ring 3 and the protrusion 6 is sealed, when the outer ring 5 and the second inner ring 3 rotate relatively, the lubricating oil between the second inner ring 3 and the outer ring 5 is not easy to leak, a detection hole 14 is provided for a sensor probe to extend into, in the device, the gap between the second inner ring 3 and the outer ring 5 is sealed by the sealing ring 10, the supporting ring 11, the supporting ring 12 and a fixing ring 13, dust is prevented from entering from a gap between the second inner race 3 and the outer race 5 and lubricating oil is prevented from leaking.

Specifically, a first threaded through hole 15 is formed in the inner side surface of the bearing flange 1, and a second threaded through hole 16 is formed in one side, away from the first inner ring 2, of the outer ring 5.

In this embodiment, the first threaded through hole 15 is used for connecting the bearing flange 1 to the brake pad, and the second threaded through hole 16 is used for connecting the outer ring 5 to the hub.

Specifically, one side of the outer ring 5, which is far away from the second inner ring 3, is stamped into a limit ring 17, and the number of the needle rollers 4 is two.

In this embodiment, the limit ring 17 clamps the side of the first inner ring 2 away from the second inner ring 3, and the needle roller 4 makes the rotation of the first inner ring 2 and the second inner ring 3 in the outer ring 5 more stable.

Specifically, the cross section of the support ring 12 is L-shaped, and the support ring 12 is made of fluororubber.

In the present embodiment, the support ring 12 made of the fluororubber has good oil repellency and wear resistance, can withstand high temperature, and has a long service life.

Specifically, the sealing ring 10 is made of nitrile rubber, and the fixing ring 13 is adhered to the outer surface of the first inner ring 2.

In this embodiment, the nitrile rubber is a main material for manufacturing the dustproof sealing ring, and the sealing ring 10 made of the nitrile rubber has better wear resistance.

The utility model discloses a theory of operation and use flow: when the second inner ring 3 and the outer ring 5 rotate relatively, the limit block 8 slides on the fixture block 7, so that the seal ring 10 clamped in the blind hole 9 is not easy to fall off, elastic extrusion is formed between the limit block 8 and the second inner ring 3, one end of the seal ring 10 far away from the blind hole 9 is fixed on the bulge 6, so that the whole seal gasket 10 can seal the gap between the second inner ring 3 and the outer ring 5, dust is prevented from entering the outer ring 5 and the second inner ring 3 to cause the pollution of lubricating oil, meanwhile, the support ring 12 bonded on the fixing ring 13 clamps the abutting ring 11, so that the abutting ring 11 is only elastically extruded with the outer ring 5, the sliding is not easy to occur, the gap between the second inner ring 3 and the bulge 6 is sealed, the leakage of the lubricating oil between the second inner ring 3 and the outer ring 5 is prevented, and the support ring 12 made of fluororubber has better oil repellency and wear resistance, and can bear higher temperature and can be used for a longer time in the device running at high speed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a dustproof leak protection oil sealing washer of automobile wheel hub inner circle external diameter, includes bearing flange (1), its characterized in that: the outer surface of the bearing flange (1) is clamped with a first inner ring (2) and a second inner ring (3), the first inner ring (2) and the second inner ring (3) are rotatably connected with an outer ring (5) through roller pins (4), one side, close to the first inner ring (2), of the outer ring (5) is fixed with a protrusion (6), one side, close to the protrusion (6), of the first inner ring (2) is fixed with a clamping block (7), the outer surface of the clamping block (7) is slidably provided with a limiting block (8), one side, close to the protrusion (6), of the limiting block (8) is provided with a blind hole (9), the inner side surface of the blind hole (9) is inlaid with a sealing ring (10), one side, close to the roller pins (4), of the protrusion (6) is slidably provided with a leaning ring (11), the inner side surface of the leaning ring (11) is inlaid with a supporting ring (12), and a fixing ring (13) is adhered to a gap between the supporting ring (12) and the first inner ring (2), one side of the sealing ring (10) close to the fixing ring (13) is provided with a detection hole (14).

2. The automobile wheel hub inner ring outer diameter dustproof and oil leakage prevention sealing ring according to claim 1, characterized in that: a first threaded through hole (15) is formed in the inner side face of the bearing flange (1), and a second threaded through hole (16) is formed in one side, far away from the first inner ring (2), of the outer ring (5).

3. The automobile wheel hub inner ring outer diameter dustproof and oil leakage prevention sealing ring according to claim 1, characterized in that: one side of the outer ring (5) far away from the second inner ring (3) is stamped into a limiting ring (17), and the number of the rolling needles (4) is two.

4. The automobile wheel hub inner ring outer diameter dustproof and oil leakage prevention sealing ring according to claim 1, characterized in that: the cross section of the support ring (12) is L-shaped, and the support ring (12) is made of fluororubber.

5. The automobile wheel hub inner ring outer diameter dustproof and oil leakage prevention sealing ring according to claim 1, characterized in that: the sealing ring (10) is made of nitrile rubber, and the fixing ring (13) is adhered to the outer surface of the first inner ring (2).