CN215567286U

CN215567286U - Convenient instant-assembling hub unit

Info

Publication number: CN215567286U
Application number: CN202121242884.3U
Authority: CN
Inventors: 顾建伟
Original assignee: Hangzhou Kefeng Bearing Co ltd
Current assignee: Hangzhou Kefeng Bearing Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-01-18
Anticipated expiration: 2031-06-04

Abstract

The utility model belongs to the technical field of hub units, and particularly relates to a convenient and fast instant-mounting hub unit which comprises an outer ring, wherein an end cover is fixedly arranged on the outer surface of the outer ring, a fixing buckle is arranged on the outer surface of the end cover, a sealing gasket is arranged on the inner side surface of the end cover, an mounting head is fixedly arranged on the inner side surface of the mounting head, an oil conveying pipe is arranged at one end, away from the oil conveying head, of the mounting head, a fixing outer edge is arranged on the outer surface of the mounting head, and a steel ball is rotatably arranged inside the outer ring. The end cover can be tightly fixed on the outer ring by arranging the fixing buckle, the end cover is prevented from being loosened in the use process, the influence on the use of the hub unit is avoided, the mounting position can be sealed by arranging the sealing gasket, the lubricating grease at the mounting position is prevented from leaking in the use process, the waste of the lubricating grease is prevented, and the pollution to the inside of the hub unit is avoided.

Description

Convenient instant-assembling hub unit

Technical Field

The utility model relates to the technical field of hub units, in particular to a convenient and fast instant-mounting hub unit.

Background

The hub bearing is a part applied to an automobile axle for bearing and providing accurate guide for the rotation of a hub, bears axial load and radial load, and is an important component of automobile load and rotation. The hub bearing unit is developed on the basis of a standard angular contact ball bearing and a tapered roller bearing, integrates two sets of bearings, has the advantages of good assembly performance, capability of omitting clearance adjustment, light weight, compact structure, large load capacity, capability of filling lubricating grease in advance for sealing the bearings, capability of omitting external hub sealing, free maintenance and the like, is widely used in cars, and has a tendency of gradually expanding application in trucks.

There are the following problems:

1. when the existing hub unit is used, the end cover on the outer ring can not be firmly fixed on the outer ring in the rotation process of the hub unit, so that the end cover is loosened, and the normal use of the hub unit is influenced.

2. The existing hub unit cannot ensure that the joint of the mounting head and the end cover has good sealing performance in the use process, and lubricating grease in the end cover leaks in the use process to pollute the joint in the hub unit.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a convenient and fast instant-mounting type hub unit, which solves the problem that an end cover cannot be firmly fixed on an outer ring and lubricating grease leaks.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a convenient instant-assembling type wheel hub unit, includes the outer lane, the outer fixed surface of outer lane installs the end cover, the surface of end cover is provided with fixed the knot, the medial surface of end cover is provided with sealed the pad, the medial surface fixed mounting of installation head has installation head, the surface of installation head is provided with oil delivery head, the one end that oil delivery head was kept away from to installation head is provided with defeated oil pipe, the surface of installation head is provided with fixed outside, the medial surface of outer lane is provided with first mounting hole, the quantity of first mounting hole is four groups, the steel ball is installed in the inside rotation of outer lane.

In a preferred embodiment of the present invention, a retainer is movably mounted on an outer surface of the steel ball, and the retainer is made of GCr 15.

As a preferable technical scheme of the utility model, one side of the steel ball close to the end cover is provided with a sealing assembly, and the outer surface of the sealing assembly is fixedly provided with an inner ring.

As a preferred technical scheme of the utility model, a lower sealing element is fixedly arranged on one side of the steel ball far away from the end cover, and the inner ring and the lower sealing element are both made of nitrile rubber.

As a preferable technical solution of the present invention, the outer surface of the lower sealing member is provided with a flange, the inner side surface of the flange is provided with five groups of second mounting holes.

As a preferable technical solution of the present invention, a bolt is fixedly mounted on an inner side surface of the second mounting hole, and the bolt is made of 35 CrMo.

As a preferred technical scheme of the utility model, the flange plate is internally provided with through holes and is made of high-strength medium carbon steel.

Compared with the prior art, the utility model provides a convenient and fast instant-mounting hub unit, which has the following beneficial effects:

1. this convenient formula wheel hub unit of installing promptly, through setting up fixed knot, can prevent not hard up from appearing in the use end cover on the outer lane with the end cover is tightly fixed, avoids causing the influence to the use of wheel hub unit.

2. This convenient formula wheel hub unit of installing promptly can seal up the installation department through setting up sealed the pad, prevents that the lubricating grease of installation department from leaking in the use, prevents the extravagant condition of lubricating grease, avoids causing the pollution to the wheel hub unit is inside.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is an enlarged view of the utility model at A.

In the figure: 1. an outer ring; 2. an end cap; 3. a fixing buckle; 4. a gasket; 5. a mounting head; 6. an oil delivery head; 7. an oil delivery pipe; 8. fixing the outer edge; 9. a first mounting hole; 10. a steel ball; 11. a holder; 12. a seal assembly; 13. an inner ring; 14. a lower seal member; 15. a flange plate; 16. a second mounting hole; 17. a bolt; 18. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 convenient formula wheel hub unit of installing promptly, including outer lane 1, the outer fixed surface of outer lane 1 installs end cover 2, the surface of end cover 2 is provided with fixed knot 3, the medial surface of end cover 2 is provided with sealed 4, the medial surface fixed mounting of installation head 5 has installation head 5, the surface of installation head 5 is provided with oil delivery head 6, the one end that oil delivery head 6 was kept away from to installation head 5 is provided with defeated oil pipe 7, the surface of installation head 5 is provided with fixed outside 8, the medial surface of outer lane 1 is provided with first mounting hole 9, the quantity of first mounting hole 9 is four groups, the steel ball 10 is installed in the inside rotation of outer lane 1.

In this embodiment, end cover 2 plays the effect of sheltering from, and fixed knot 3 can firmly fix end cover 2 on outer lane 1, and sealed 4 that can prevent the lubricating grease in the end cover 2 from leaking, and installation head 5 provides the mounted position for oil transportation head 6, and oil transportation head 6 can be for carrying the grease in the end cover 2, and defeated oil pipe 7 is the transfer passage of lubricating grease, and fixed outside 8 plays fixed effect, and steel ball 10 can make 1 free rotations in the outer lane.

Specifically, the outer surface of the steel ball 10 is movably provided with a retainer 11, and the material of the retainer 11 is GCr 15.

In this embodiment, the retainer 11 prevents the steel balls 10 from moving inside the outer ring 1, and the retainer 11 made of GCr15 has good wear resistance.

Specifically, a sealing assembly 12 is arranged on one side of the steel ball 10 close to the end cover 2, and an inner ring 13 is fixedly mounted on the outer surface of the sealing assembly 12.

In this embodiment, the seal assembly 12 seals a gap between the outer ring 1 and the inner ring 13 to prevent leakage of grease inside.

Specifically, a lower sealing element 14 is fixedly mounted on one side of the steel ball 10 away from the end cover 2, and the inner ring 13 and the lower sealing element 14 are both made of nitrile rubber.

In this embodiment, the lower seal member 14 seals a gap between the outer ring 1 and the flange 15, and the inner ring 13 made of nitrile rubber has a relatively good seal property with the lower seal member 14.

Specifically, the outer surface of the lower sealing member 14 is provided with a flange 15, the inner side surface of the flange 15 is provided with second mounting holes 16, and the number of the second mounting holes 16 is five.

In this embodiment the hub unit can be mounted on the hub via the flange 15 and the second mounting holes 16 provide mounting locations for the bolts 17.

Specifically, a bolt 17 is fixedly mounted on the inner side surface of the second mounting hole 16, and the bolt 17 is made of 35 CrMo.

In this embodiment, the bolts 17 are used for connecting the flange plate 15 and the hub, and the bolts 17 made of 35CrMo can bear larger impact force.

Specifically, the flange 15 is provided with a through hole 18 inside, and the flange 15 is made of high-strength medium carbon steel.

In the embodiment, the flange plate 15 made of high-strength medium carbon steel has high fatigue resistance and long service life.

The working principle and the using process of the utility model are as follows: before use, the hub unit is installed, the lower sealing element 14 is installed on the flange plate 15, then the steel ball 10 is installed in the retainer 11, the steel ball 10 and the retainer 11 form a whole, the formed whole is installed on the flange plate 15, the inner ring 13 and the flange plate 15 are installed together after installation, the sealing component 12 is sleeved on the outer surface of the inner ring 13, then the outer ring 1 is installed outside the steel ball 10, the outer ring 1 can rotate freely, then the end cover 2 is installed on the outer surface of the outer ring 1, the installation head 5 is installed on the end cover 2 before the end cover 2 is installed, the installation position can be sealed by the sealing gasket 4 after the installation head 5 is installed, lubricating grease leakage at the installation head 5 during use is prevented, the condition of lubricating grease waste is prevented, pollution to the interior of the hub unit is avoided, the end cover 2 can be tightly fixed on the outer ring 1 by the fixing buckle 3 after the end cover 2 is installed, prevent that not hard up from appearing in use end cover 2, avoid causing the influence to the use of wheel hub unit, then fix the wheel hub unit in treating the mounted position through bolt 17, it is more convenient when the installation to the wheel hub unit.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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 convenient dress formula wheel hub unit promptly, includes outer lane (1), its characterized in that: the utility model discloses a steel ball bearing outer ring, including outer lane (1), the outer fixed surface of outer lane (1) installs end cover (2), the surface of end cover (2) is provided with fixed knot (3), the medial surface of end cover (2) is provided with sealed pad (4), the medial surface fixed mounting of installation head (5) has installation head (5), the surface of installation head (5) is provided with defeated oil head (6), the one end of keeping away from defeated oil head (6) of installation head (5) is provided with defeated oil pipe (7), the surface of installation head (5) is provided with fixed outside (8), the medial surface of outer lane (1) is provided with first mounting hole (9), the quantity of first mounting hole (9) is four groups, steel ball (10) are installed in the internal rotation of outer lane (1).

2. A portable ready-to-mount hub unit as set forth in claim 1, wherein: the outer surface of the steel ball (10) is movably provided with a retainer (11), and the retainer (11) is made of GCr 15.

3. A portable ready-to-mount hub unit as set forth in claim 1, wherein: one side of the steel ball (10) close to the end cover (2) is provided with a sealing component (12), and the outer surface of the sealing component (12) is fixedly provided with an inner ring (13).

4. A portable ready-to-mount hub unit as set forth in claim 1, wherein: one side, far away from the end cover (2), of the steel ball (10) is fixedly provided with a lower sealing element (14), and the inner ring (13) and the lower sealing element (14) are both made of nitrile rubber.

5. A portable ready-to-mount hub unit as set forth in claim 1, wherein: the outer surface of the lower sealing element (14) is provided with a flange plate (15), the inner side surface of the flange plate (15) is provided with second mounting holes (16), and the number of the second mounting holes (16) is five.

6. A portable ready-to-mount hub unit as set forth in claim 1, wherein: and a bolt (17) is fixedly mounted on the inner side surface of the second mounting hole (16), and the bolt (17) is made of 35 CrMo.

7. A portable ready-to-mount hub unit as set forth in claim 1, wherein: the inside of ring flange (15) is provided with through-hole (18), the material of ring flange (15) is high strength medium carbon steel.