CN210122028U

CN210122028U - Protection and sealing integrated automobile hub unit

Info

Publication number: CN210122028U
Application number: CN201920791820.5U
Authority: CN
Inventors: 赵利明
Original assignee: Hangzhou Power Bearing Co Ltd
Current assignee: Hangzhou Power Bearing Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-03-03
Anticipated expiration: 2029-05-29

Abstract

The utility model relates to an automobile wheel hub unit especially relates to an automobile wheel hub unit of sealed integral type of protection. The automobile hub sealing device mainly solves the technical problems that in the prior art, the protection sealing performance of an automobile hub unit is poor, the existing protection mechanism and the existing sealing mechanism are designed in a split mode, installation is complex, manufacturing cost is high, sealing adjusting performance is poor, and the like. The utility model discloses a ring flange (1), ring flange (1) on be equipped with inner circle (2), the inner circle outside is equipped with outer lane (3), between ring flange and the inner circle, all be equipped with steel ball (4) between ring flange and the outer lane, be equipped with holder (5) on the steel ball, the surface of inner circle is equipped with magnetic ring (6), the outer end of magnetic ring is equipped with sealed end cover (7), the sealed end cover is fixed on the internal surface of outer lane, be fixed with ABS end cover (8) on the terminal surface of outer lane.

Description

Protection and sealing integrated automobile hub unit

Technical Field

The utility model relates to an automobile wheel hub unit especially relates to an automobile wheel hub unit of sealed integral type of protection.

Background

With the development of the technology, the integration level of the automobile hub bearing unit is higher and higher. The bearing unit for the automobile generally comprises an inner ring and an outer ring, and a single-row or double-row roller is fixed between the inner ring and the outer ring through a retainer. The chinese patent discloses a hub bearing unit (publication number: CN 201671960U), which includes a flange, an inner ring, an outer ring, balls, an inner holder, and an outer holder, wherein the inner ring is installed at an end portion outside the flange; the outer ring is arranged at the root part outside the flange plate, an annular first channel and an annular second channel are arranged between the outer ring and the flange plate as well as between the outer ring and the inner ring, the first channel is arranged at one side of the end part of the flange plate, the second channel is arranged at one side of the root part of the flange plate, balls are arranged in the first channel and the second channel, the outer ring is in rolling connection with two rows of balls passing through the flange plate and the inner ring, the inner retainer is arranged in the first channel, the outer retainer is arranged in the second channel, the diameter of the second channel is larger than that of the first channel, and the balls in the second channel are more; the end part of the flange plate is provided with a turned edge integrated with the flange plate, and the turned edge is tightly attached to one end of the inner ring; 18 balls are arranged in the first channel, and 20 balls are arranged in the second channel; and a speed inductor is arranged outside the inner ring and comprises a magnetic induction head and an alloy annular gear ring. The Chinese patent also discloses an automobile hub bearing unit (publication number: CN 201401445), which comprises a flange inner ring, a flange outer ring, an inner ring, balls and a retainer, wherein two outer raceways are arranged on the inner surface of the flange outer ring, inner raceways corresponding to the outer raceways are respectively arranged on the outer surfaces of the flange inner ring and the inner ring, the balls are arranged between the inner raceway and the outer raceway in the retainer, an annular groove and a step surface are arranged on the outer surface of the flange inner ring, an annular retainer ring is arranged in the groove, one end surface of the inner ring is abutted against the annular retainer ring, and the other end surface of the inner ring is abutted against the step surface. However, the automobile hub unit has poor protection and sealing performance, and the existing protection mechanism and sealing mechanism are designed in a split mode, so that the installation is complex, the manufacturing cost is high, and the sealing and adjusting performance is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automobile wheel hub unit of sealed integral type of protection, it is mainly that the protection sealing performance who solves the automobile wheel hub unit that prior art exists is relatively poor to current protection machanism and sealing mechanism all are the components of a whole that can function independently design, install comparatively numerous and diverse, and manufacturing cost is higher, and the sealing regulation performance is also relatively poor technical problem of waiting.

The above technical problem of the present invention can be solved by the following technical solutions:

the utility model discloses an automobile wheel hub unit of protection sealing integral type, the novel wind turbine generator comprises a flange plate, the ring flange on be equipped with the inner circle, the inner circle outside is equipped with the outer lane, between ring flange and the inner circle, all be equipped with the steel ball between ring flange and the outer lane, be equipped with the holder on the steel ball, the surface of inner circle is equipped with the magnetism circle, the outer end of magnetism circle is equipped with the sealed end cover, the sealed end cover is fixed on the internal surface of outer lane, be fixed with the ABS. The utility model discloses directly set up sealed end cover on the internal surface of outer lane to seal the clearance between outer lane and the inner circle completely, including the magnetism circle can be protected, can not only play the effect of protection like this, can also play sealed effect.

Preferably, the outer circle of the sealed end cover is provided with a flange which is fixed with the inner surface of the outer ring, the bent part of the flange is provided with a rubber sealing element, and the middle part of the sealed end cover is inwards concave. The utility model discloses a rubber seal can hug closely in the joint of sealed end cover in the outer lane, not only can strengthen the firmness of combination, can also increase sealing performance.

Preferably, the middle part of the sealed end cover is connected with a base, the base is connected with a spring, the inner end of the spring is connected with a protection block, the inner end of the protection block is embedded with a buffer layer through a sawtooth groove, and the outer part of the spring is provided with a dust cover. The protection that sets up the additional buffer layer can guarantee that whole automobile wheel hub unit plays the buffering supporting role when receiving external force soon, because the protection is integrated on sealed end cover soon, and the integration level is higher like this.

Preferably, the outer surface of the outer ring is provided with a thread groove, the thread groove is connected with a seal adjusting nut in a threaded manner, the front end of the seal adjusting nut is embedded with a plurality of spring pieces, root sealing pieces are fixed on the spring pieces, and the root sealing pieces are arranged at the gap between the outer ring and the root of the flange plate. The root sealing element can be driven to move back and forth by rotating the sealing adjusting nut, so that the gap between the outer ring and the root of the flange plate is sealed as required, the gap change after assembly and use can be adapted, and the effect of protective sealing is achieved.

Preferably, a sealing assembly is arranged between the root of the flange plate and the outer ring, the sealing assembly comprises a metal framework with an L-shaped end face, the metal framework is fixed on the outer ring, a sealing element is arranged on the metal framework, and three sealing lips of the sealing element are in contact with the flange plate.

Therefore, the utility model discloses a protection sealing performance is better to protection mechanism and sealing mechanism all integrate the integral type design, the installation is comparatively simple, and manufacturing cost is lower, and sealed regulation performance is also better, simple structure, reasonable.

Drawings

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

FIG. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic structural view of the sealed end cap of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 2.

Parts, positions and numbers in the drawings: the sealing structure comprises a flange plate 1, an inner ring 2, an outer ring 3, a steel ball 4, a retainer 5, a magnetic ring 6, a sealing end cover 7, an ABS end cover 8, a rubber sealing element 9, a base 10, a spring 11, a protection block 12, a buffer layer 13, a dust cover 14, a sealing adjusting nut 15, a spring piece 16, a root sealing element 17, a metal framework 18 and a sealing element 19.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): the protection and sealing integrated automobile hub unit comprises a flange plate 1, an inner ring 2 is arranged on the flange plate, an outer ring 3 is arranged outside the inner ring, steel balls 4 are arranged between the flange plate and the inner ring and between the flange plate and the outer ring, a retainer 5 is arranged on the steel balls, a magnetic ring 6 is arranged on the outer surface of the inner ring, a sealing end cover 7 is arranged at the outer end of the magnetic ring and fixed on the inner surface of the outer ring, and an ABS end cover 8 is fixed on the end surface of the outer ring, as shown in fig. 1 and 2. The outer circle of the sealed end cover is provided with a flange which is fixed with the inner surface of the outer ring 3, the bent part of the flange is provided with a rubber sealing element 9, and the middle part of the sealed end cover is inwards concave. The middle part of the sealed end cover is connected with a base 10, a spring 11 is connected on the base, the inner end of the spring is connected with a protection block 12, a buffer layer 13 is embedded at the inner end of the protection block through a sawtooth groove, and a dust cover 14 is arranged outside the spring. The outer surface of the outer ring is provided with a thread groove, the thread of the thread groove is connected with a sealing adjusting nut 15, the front end of the sealing adjusting nut is embedded with a plurality of spring pieces 16, root sealing pieces 17 are fixed on the spring pieces, and the root sealing pieces are arranged at the gap between the outer ring and the root of the flange plate. A sealing component is arranged between the root part of the flange plate and the outer ring 3, as shown in figure 4, the sealing component comprises a metal framework 18 with an L-shaped end face,

the metal framework is fixed on the outer ring, the metal framework is provided with a sealing element 19, and three sealing lips of the sealing element are in contact with the flange plate.

During the use, will the utility model discloses pack into the transmission of car on can, installation and application method are unanimous with current automobile wheel hub unit installation application method.

The above description is only for the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. The utility model provides an automobile wheel hub unit of protection sealing integral type, includes ring flange (1), its characterized in that ring flange (1) on be equipped with inner circle (2), the inner circle outside is equipped with outer lane (3), all be equipped with steel ball (4) between ring flange and the inner circle, between ring flange and the outer lane, be equipped with holder (5) on the steel ball, the surface of inner circle is equipped with magnetism circle (6), the outer end of magnetism circle is equipped with sealed end cover (7), the sealed end cover is fixed on the internal surface of outer lane, be fixed with ABS end cover (8) on the terminal surface of outer.

2. The automobile hub unit with integrated protection and sealing functions as claimed in claim 1, wherein a flange is arranged on an outer circle of the sealing end cover (7) and fixed with an inner surface of the outer ring (3), a rubber sealing element (9) is arranged at a bent position of the flange, and the middle of the sealing end cover is inwards concave.

3. The automobile hub unit integrated with protection and sealing as claimed in claim 1 or 2, wherein the middle of the sealed end cover (7) is connected with a base (10), the base is connected with a spring (11), the inner end of the spring is connected with a protection block (12), the inner end of the protection block is embedded with a buffer layer (13) through a serrated groove, and the outer part of the spring is provided with a dust cover (14).

4. The automobile hub unit with integrated protection and sealing functions as claimed in claim 1 or 2, wherein the outer surface of the outer ring (3) is provided with a thread groove, the thread groove is connected with a sealing adjusting nut (15), a plurality of spring pieces (16) are embedded at the front end of the sealing adjusting nut, root sealing pieces (17) are fixed on the spring pieces, and the root sealing pieces are arranged at the gap between the outer ring (3) and the root of the flange plate (1).

5. The automobile hub unit with integrated protection and sealing functions as claimed in claim 1 or 2, wherein a sealing assembly is arranged between the root of the flange plate (1) and the outer ring (3), the sealing assembly comprises a metal framework (18) with an L-shaped end face, the metal framework is fixed on the outer ring, a sealing element (19) is arranged on the metal framework, and three sealing lips of the sealing element contact with the flange plate.