CN211525359U

CN211525359U - Lightweight hybrid vehicle hub bearing inner ring

Info

Publication number: CN211525359U
Application number: CN201922061766.1U
Authority: CN
Inventors: 傅小云
Original assignee: Zhejiang Sikaifu Auto Parts Co ltd
Current assignee: Zhejiang Sikaifu Auto Parts Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-09-18
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a lightweight hybrid vehicle wheel hub bearing inner circle, including first inner circle, second inner circle and pressure pad, the right edge below of first inner circle is fixed with first fixture block, and has seted up first draw-in groove above the right edge of first inner circle, the second inner circle is connected in the right side of first inner circle, and has seted up the second draw-in groove below the left edge of second inner circle, the left edge top of second inner circle is fixed with the second fixture block, and the spread groove has all been seted up to the internal surface of first inner circle and second inner circle, the pressure pad is installed in the inside of spread groove, the enhancement layer is installed in the outside of rolling element mounting groove, the sealing member mounting groove has been seted up in the left side of rolling element mounting groove, the outer wall of first inner circle and second inner circle has all wrapped up rust protection layer. This wheel hub bearing inner race has improved the concatenation speed between the inner race to shorten the bearing and assemble the consumed time, consolidate through setting up the enhancement layer, be favorable to slowing down the degree of wear of rolling element mounting groove department.

Description

Lightweight hybrid vehicle hub bearing inner ring

Technical Field

The utility model relates to a machine part technical field specifically is lightweight hybrid vehicle wheel hub bearing inner circle.

Background

The automobile hub is a part of the wheel center for mounting the axle, namely a 'rim' or a 'steel ring', the hub is generally connected with the driving rod through a bearing, the bearing is an important part in the current mechanical equipment, and the bearing has the main function of supporting the mechanical rotating body, reducing the friction coefficient in the movement process and ensuring the rotation precision.

However, the inner ring of the automobile hub bearing in the current market is not convenient to mount with a transmission shaft in the using process, positioning and splicing are not convenient to carry out between the inner rings of the bearing, trouble is caused to the mounting of a rolling body, the problem that the wear resistance and the rust prevention capability of the inner ring of the bearing are poor is solved, and therefore the lightweight hybrid automobile hub bearing inner ring is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide lightweight hybrid vehicle wheel hub bearing inner circle to the inner circle of the automobile wheel hub bearing on the existing market who proposes in solving above-mentioned background is not convenient for install with the transmission shaft in the use, and is not convenient for fix a position the concatenation between the bearing inner circle, has caused the trouble for the installation of rolling element, and the bearing inner circle still has the relatively poor problem of wearability and rust-resistant ability in addition.

In order to achieve the above object, the utility model provides a following technical scheme: the lightweight hybrid power automobile hub bearing inner ring comprises a first inner ring, a second inner ring and a pressure pad, wherein a first clamping block is fixed below the right edge of the first inner ring, a first clamping groove is arranged above the right edge of the first inner ring, the second inner ring is connected to the right side of the first inner ring, a second clamping groove is arranged below the left edge of the second inner ring, a second clamping block is fixed above the left edge of the second inner ring, and the inner surfaces of the first inner ring and the second inner ring are both provided with connecting grooves, the pressure pad is arranged inside the connecting grooves, the outer surface of the first inner ring is provided with a protective frame mounting groove, and the left side of the mounting groove of the protective frame is provided with a rolling body mounting groove, the outer side of the rolling body mounting groove is provided with a reinforcing layer, the sealing member mounting groove has been seted up in the left side of rolling element mounting groove, the outer wall of first inner circle and second inner circle has all wrapped up anti-rust protection layer.

Preferably, the first clamping block and the second clamping block have the same structure, the first clamping block and the first clamping groove are matched with each other to form a clamping structure, and the second clamping block and the second clamping groove are matched with each other to form a clamping structure.

Preferably, the number of the connecting grooves is set to be 4, and the connecting grooves are distributed in a central symmetry mode around the center point of the first inner ring.

Preferably, the structure of pressure pad is elastic rubber structure, and the pressure pad closely laminates with the inner wall of spread groove.

Preferably, the rolling element mounting groove and the reinforcing layer are both arc-shaped in cross-section structure, and the reinforcing layer is made of alloy steel.

Preferably, the cross-sectional structure of sealing member mounting groove is the half-circular arc structure to the thickness of anti-rust protection layer is 0.1mm, and anti-rust protection layer's material is the rich zinc layer of epoxy simultaneously.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the first inner ring is arranged on the inner ring of the bearing of the lightweight hybrid power automobile hub, and can be positioned, spliced and connected with the second inner ring by utilizing the clamping action between the first clamping block and the first clamping groove and the clamping action between the second clamping block and the second clamping groove, so that the splicing speed of the inner ring of the bearing is improved when a rolling body is installed, and the time consumed by splicing the bearing is shortened;

2. the four connecting grooves arranged on the inner wall of each inner ring are distributed in a cross shape, so that the protrusions of the transmission shaft can be clamped in the connecting grooves for connection and fixation, the problem that the transmission shaft is directly welded and connected with the bearing inner ring and troubles are brought to later maintenance and disassembly is effectively avoided, and the transmission shaft and the bearing inner ring are more convenient to connect and fix;

3. the enhancement layer that the setting was passed through alloy steel material reinforces rolling element mounting groove department, be favorable to slowing down the degree of wear of rolling element mounting groove department, the position that sets up first interior packing element mounting groove and set up gets the position corresponding with the sealing element mounting groove on the bearing inner race, so that reserve the space for the installation of sealing member, the rust-resistant protective layer on one deck epoxy zinc-rich layer has all been covered to the outer wall of whole bearing inner race simultaneously, be favorable to preventing that the bearing inner race from taking place the corrosion in long-term use, then guarantee the stability of bearing inner race effect in the use.

Drawings

Fig. 1 is a schematic view of the installation cross section structure of the first inner ring and the second inner ring of the present invention;

FIG. 2 is a schematic view of a first inner ring of the present invention;

fig. 3 is a schematic view of the structure of the first inner ring on the right side of the present invention.

In the figure: 1. a first inner race; 2. a first clamping block; 3. a second card slot; 4. a first card slot; 5. a second fixture block; 6. a second inner race; 7. connecting grooves; 8. a pressure pad; 9. a fender bracket mounting groove; 10. a rolling body mounting groove; 11. a reinforcing layer; 12. a seal mounting groove; 13. and (4) an antirust protective layer.

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.

Referring to fig. 1-3, the present invention provides a technical solution: the lightweight hybrid power automobile hub bearing inner ring comprises a first inner ring 1, a first clamping block 2, a second clamping groove 3, a first clamping groove 4, a second clamping block 5, a second inner ring 6, a connecting groove 7, a pressure pad 8, a protective frame mounting groove 9, a rolling body mounting groove 10, a reinforcing layer 11, a sealing element mounting groove 12 and an antirust protective layer 13, wherein the first clamping block 2 is fixed below the right edge of the first inner ring 1, the first clamping groove 4 is formed above the right edge of the first inner ring 1, the second inner ring 6 is connected to the right side of the first inner ring 1, the second clamping groove 3 is formed below the left edge of the second inner ring 6, the second clamping block 5 is fixed above the left edge of the second inner ring 6, the connecting grooves 7 are formed on the inner surfaces of the first inner ring 1 and the second inner ring 6, the first clamping block 2 and the second clamping block 5 have the same structure, and the first clamping block 2 and the first clamping groove 4 are matched with each other to form, the second fixture block 5 and the second clamping groove 3 are matched with each other to form a clamping structure, the first fixture block 2 and the second fixture block 5 are identical in shape and size, the second clamping groove 3 and the first clamping groove 4 are identical in shape and size, the first inner ring 1 can be connected with the second inner ring 6 in a positioning and splicing mode through the clamping effect between the first fixture block 2 and the first clamping groove 4 and the clamping effect between the second fixture block 5 and the second clamping groove 3, the bearing inner ring splicing speed is improved when a rolling body is installed, and therefore bearing assembling time is shortened;

the number of the connecting grooves 7 is set to be 4, the connecting grooves 7 are distributed in a central symmetry way around the central point of the first inner ring 1, the connecting grooves 7 are embedded in the inner wall of the first inner ring 1, and the four connecting grooves 7 on the inner wall of each inner ring are distributed in a cross shape, so that the protrusions of the transmission shaft can be clamped in the connecting grooves 7 for connection and fixation, thereby effectively avoiding the problems that the transmission shaft is directly welded and connected with the bearing inner ring and troubles are brought to later maintenance and disassembly, the connection and fixation between the transmission shaft and the bearing inner ring are more convenient, the pressure pad 8 is arranged inside the connecting groove 7, the structure of the pressure pad 8 is an elastic rubber structure, the pressure pad 8 is tightly attached to the inner wall of the connecting groove 7, and the pressure pad 8 has certain elasticity and is arranged inside the connecting groove 7, so that when the transmission shaft is fixedly connected with the connecting groove 7, the tightness of connection is enhanced;

the outer surface of the first inner ring 1 is provided with a protective frame mounting groove 9, the left side of the protective frame mounting groove 9 is provided with a rolling element mounting groove 10, the outer side of the rolling element mounting groove 10 is provided with a reinforcing layer 11, the cross-sectional structures of the rolling element mounting groove 10 and the reinforcing layer 11 are both arc-shaped structures, the reinforcing layer 11 is made of alloy steel, the position provided with the rolling element mounting groove 10 is used for mounting and fixing a rolling element, when the bearing is used, friction is generated between the rolling element and the rolling element mounting groove 10, so that the abrasion of the rolling element mounting groove 10 is obvious, the rolling element mounting groove 10 is reinforced by the reinforcing layer 11 provided with the alloy steel material, the abrasion degree of the rolling element mounting groove 10 is favorably slowed down, the left side of the rolling element mounting groove 10 is provided with a sealing element mounting groove 12, the outer walls of the, the thickness of the antirust protective layer 13 is 0.1mm, and the material of the antirust protective layer is an epoxy zinc-rich layer.

The working principle is as follows: for the lightweight hybrid automobile hub bearing inner ring, firstly, four connecting grooves 7 are respectively engraved in the first inner ring 1 at equal intervals, so that the connecting grooves 7 penetrate through the left side and the right side of the first inner ring 1, then, press pads 8 are pasted on the inner walls of the connecting grooves 7, then, a protective frame mounting groove 9, a rolling element mounting groove 10 and a sealing element mounting groove 12 are respectively engraved on the outer wall of the first inner ring 1 from right to left, a reinforcing layer 11 is additionally arranged at the rolling element mounting groove 10, a layer of antirust protective layer 13 is sprayed on the inner surface and the outer surface of the first inner ring 1, then, a first clamping block 2 and a first clamping groove 4 of the first inner ring 1 are aligned with a second clamping groove 3 and a second clamping block 5 on a second inner ring 6, so that the first clamping block 2 is clamped in the second clamping groove 3, meanwhile, the second clamping block 5 is clamped in the first clamping groove 4, the first inner ring 1 and the second inner ring 6 are spliced together, when the first, inside the fender bracket card in fender bracket mounting groove 9, then place the rolling element inside rolling element mounting groove 10, after first inner circle 1 is fixed with second inner circle 6 and outer lane installation, fill in the sealing member from the joint gap of being connected of first inner circle 1 and second inner circle 6 and outer lane, the card is inside sealing member mounting groove 12, fix can, accomplish the use of whole lightweight hybrid vehicle wheel hub bearing inner circle just so.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Lightweight hybrid vehicle wheel hub bearing inner race includes first inner circle (1), second inner circle (6) and pressure pad (8), its characterized in that: a first clamping block (2) is fixed below the right edge of the first inner ring (1), a first clamping groove (4) is formed above the right edge of the first inner ring (1), the second inner ring (6) is connected to the right side of the first inner ring (1), a second clamping groove (3) is formed below the left edge of the second inner ring (6), a second clamping block (5) is fixed above the left edge of the second inner ring (6), connecting grooves (7) are formed in the inner surfaces of the first inner ring (1) and the second inner ring (6), the pressure pad (8) is installed inside the connecting grooves (7), a protection frame installing groove (9) is formed in the outer surface of the first inner ring (1), a rolling body installing groove (10) is formed in the left side of the protection frame installing groove (9), a reinforcing layer (11) is installed on the outer side of the rolling body installing groove (10), a sealing element installing groove (12) is formed in the left side of the rolling body installing groove (10), and the outer walls of the first inner ring (1) and the second inner ring (6) are wrapped with antirust protective layers (13).

2. The automobile hub bearing inner ring for light-weight hybrid power of claim 1, characterized in that: the first clamping block (2) and the second clamping block (5) are identical in structure, the first clamping block (2) and the first clamping groove (4) are matched with each other to form a clamping structure, and the second clamping block (5) and the second clamping groove (3) are matched with each other to form a clamping structure.

3. The automobile hub bearing inner ring for light-weight hybrid power of claim 1, characterized in that: the number of the connecting grooves (7) is set to be 4, and the connecting grooves (7) are distributed in a central symmetry mode around the center point of the first inner ring (1).

4. The automobile hub bearing inner ring for light-weight hybrid power of claim 1, characterized in that: the structure of the pressure pad (8) is an elastic rubber structure, and the pressure pad (8) is tightly attached to the inner wall of the connecting groove (7).

5. The automobile hub bearing inner ring for light-weight hybrid power of claim 1, characterized in that: the rolling element mounting groove (10) and the reinforcing layer (11) are both arc-shaped in cross-section structure, and the reinforcing layer (11) is made of alloy steel.

6. The automobile hub bearing inner ring for light-weight hybrid power of claim 1, characterized in that: the cross-sectional structure of sealing member mounting groove (12) is the half-circular arc structure to the thickness of rust-resistant protective layer (13) is 0.1mm, and the material of rust-resistant protective layer is rich zinc layer for the epoxy simultaneously.