Large-load and high-durability automobile hub unit

Abstract

The utility model relates to the technical field of automobile hub units, in particular to a large-load and high-durability automobile hub unit. Which comprises a hub body and is characterized in that the hub body comprises a flange plate, a first mounting hole integrated with the flange plate is formed in one side in the flange plate, a second mounting hole is formed in the other side in the flange plate, an inner ring piece connected with the flange plate in a nested mode is arranged on the flange plate, and an outer ring piece connected with the flange plate in a sleeved mode at intervals is arranged outside the inner ring piece. The integral rigidity and stability of the hub are enhanced through the integrated design that the first mounting hole and the second mounting hole which are integrated with the flange plate are formed in the flange plate, a magnetic attraction block is arranged at the joint of the inner wall of the end cover and the outer ring piece, a clamping groove is formed in the outer ring piece, and the bearing assembly is arranged between the outer ring piece and the inner ring piece and between the inner ring piece and the inner wall of the flange plate. A quick and reliable connection mode is provided, the hub is convenient to assemble and disassemble, and a user can manually pull the end cover for maintenance when needed through the design of the pull ring.

Description

Technical Field

[0001] The utility model relates to the technical field of automotive wheel hub units, in particular to an automotive wheel hub unit with large load and high durability. Background Art

[0002] With the development of the automotive industry, as one of the important components, the design and manufacturing technology of automotive wheel hubs are also constantly progressing. Traditional automotive wheel hubs usually adopt simple structural designs to meet basic installation and usage requirements. However, with the improvement of automotive performance and the increasing requirements of consumers for automotive quality, higher demands are put forward for the performance, durability, and reliability of automotive wheel hubs. Especially in application scenarios with large loads and high durability, traditional wheel hub designs are difficult to meet the needs of modern automobiles. Therefore, it is necessary to develop an automotive wheel hub unit with large load and high durability to adapt to the development needs of the modern automotive industry.

[0003] Chinese Patent Publication discloses an automotive wheel hub unit (Publication No.: CN201931936U), which includes an outer bearing ring and an inner bearing ring, and is provided with a first group of annular placement grooves and a second group of annular placement grooves. A plurality of steel balls are arranged in both the first group of annular placement grooves and the second group of annular placement grooves. The outer end of the inner bearing ring has an annular connecting portion with a reduced diameter to form an axial positioning step. A bearing sleeve is movably sleeved on the annular connecting portion. The second group of annular placement grooves are located on the outer wall of the bearing sleeve. However, the performance, durability, and reliability of this automotive wheel hub unit are difficult to meet the needs of modern automobiles. Therefore, an automotive wheel hub unit with large load and high durability is needed. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the shortcomings that the performance, durability, and reliability of automotive wheel hub units in the prior art are difficult to meet the needs of modern automobiles, and to propose an automotive wheel hub unit with large load and high durability.

[0005] The technical solution adopted by the utility model to solve its technical problems is: an automotive wheel hub unit with large load and high durability described in the utility model includes a hub body, characterized in that: the hub body includes a flange. On one side inside the flange, there is a first mounting hole integrated with the flange, and on the other side, there is a second mounting hole. An inner ring member nested and connected with the flange is provided on the flange. An outer ring member spaced and sleeved with the flange is provided outside the inner ring member. A bearing assembly is provided between the outer ring member and the inner ring member and between the inner wall of the flange. A end cover is provided on one side of the outer ring member. An electromagnetic shielding layer is coated on the inner wall of the end cover. A visualization window is provided at the center of the outer wall of the end cover. The end cover is made of stainless steel. A magnetic ring assembly is provided at the connection between the end cover and the inner ring member. A lower sealing ring assembly is provided at the junction between the flange and the outer ring member.

[0006] Preferably, magnetic attraction blocks are provided at the connection between the inner wall of the end cap and the outer ring part. A clamping groove is provided on the outer ring part. The number of magnetic attraction blocks and clamping grooves is 5 - 7 and they cooperate with each other. A pull ring is provided on the outer wall of the end cap. The cooperative design of the magnetic attraction blocks and the clamping grooves provides a quick and reliable connection method, facilitating the assembly and disassembly of the wheel hub. The design of the pull ring enables users to manually mechanically pull the end cap when needed for maintenance or inspection.

[0007] Preferably, the bearing assembly includes an upper cage and a lower cage. A number of steel balls nested and connected with the cages are provided in both the upper cage and the lower cage. The design of the steel balls in the upper cage and the lower cage increases the contact area, reduces wear, and extends the service life of the bearing.

[0008] Preferably, the magnetic ring assembly includes a magnetic ring. A fixed bracket is provided on one side of the magnetic ring. The other side of the fixed bracket is connected to the inner wall of the end cap. The magnetic ring is connected to the inner wall of the end cap through the fixed bracket, ensuring the fixity and stability of the magnetic ring.

[0009] Preferably, the lower sealing ring assembly includes a sealing ring. One end of the sealing ring is connected with a metal skeleton. The other side of the metal skeleton is associated with the flange. The combined design of the sealing ring and the metal skeleton provides good sealing performance, protecting the wheel hub from the external environment.

[0010] Preferably, fixing bolts are provided at the bottom of the flange. The number of fixing bolts is 5 - 8. The fixing bolts are made of 35CrMo alloy steel. The fixing bolts made of 35CrMo alloy steel have high strength and good toughness, can effectively resist the stress under high loads, and improve the overall durability of the wheel hub.

[0011] The advantages of the present utility model are as follows:

[0012] In this application, the integrated design of the first mounting hole and the second mounting hole integrated with the flange in the flange enhances the overall rigidity and stability of the wheel hub, ensuring stability even under high loads; magnetic attraction blocks are provided at the connection between the inner wall of the end cap and the outer ring part, and a clamping groove is provided on the outer ring part, providing a quick and reliable connection method, facilitating the assembly and disassembly of the wheel hub. The design of the pull ring further enables users to manually pull the end cap for maintenance or inspection when needed; the end cap is made of stainless steel, the inner wall is coated with an electromagnetic shielding layer, and a visualization window is provided at the center of the outer wall. The design of the stainless steel material combined with the visualization window facilitates inspection and maintenance, and at the same time improves the corrosion resistance. The electromagnetic shielding layer can prevent external electromagnetic interference, ensure the stability of electronic components, and enhance the user experience and the convenience of maintenance. Description of the Drawings

[0013] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can be obtained based on these drawings.

[0014] Figure 1 Structural schematic diagram of the present invention.

[0015] Figure 2 For the present invention Figure 1 Enlarged view of I in the present invention.

[0016] Figure 3 For the present invention Figure 1 Enlarged view of II in the present invention.

[0017] Figure 4 Top view of the structure of the present invention.

[0018] In the figure: 1, end cover; 2, inner ring part; 3, magnetic ring; 4, fixed bracket; 5, upper cage; 6, steel ball; 7, lower cage; 8, outer ring part; 9, sealing ring; 10, metal skeleton; 11, flange; 12, second mounting hole; 13, first mounting hole; 14, fixing bolt; 15, visualization window; 16, electromagnetic shielding layer; 17, pull ring; 18, magnetic attraction block; 19, card slot. Specific embodiments

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention. Embodiment

[0020] Please refer to Figures 1-4As shown in the figure, a large-load and high-durability automotive wheel hub unit includes a wheel hub body, characterized in that: the wheel hub body includes a flange 11, and on one side inside the flange 11, there is a first mounting hole 13 integrated with the flange 11, and on the other side, there is a second mounting hole 12. An inner ring member 2 nested and connected with the flange 11 is provided on the flange 11. An outer ring member 8 is provided outside the inner ring member 2 and is sleeved with the flange 11 at intervals. A bearing assembly is provided between the outer ring member 8 and the inner ring member 2 and between the inner wall of the flange 11. On one side of the outer ring member 8, there is an end cover 1. An electromagnetic shielding layer 16 is coated on the inner wall of the end cover 1. A visualization window 15 is provided at the center of the outer wall of the end cover 1. The end cover 1 is made of stainless steel. A magnetic ring 3 assembly is provided at the connection between the end cover 1 and the inner ring member 2. A lower sealing ring 9 assembly is provided at the junction between the flange 11 and the outer ring member 8. The integrated design of the first mounting hole 13 and the second mounting hole 12 improves the installation efficiency and simplifies the assembly process. Through the design of the nested inner ring member 2 and outer ring member 8, the overall rigidity and stability of the wheel hub unit are ensured; the use of the bearing assembly reduces the friction during rotation and improves the durability; the electromagnetic shielding layer 16 can prevent external electromagnetic interference and ensure the stability of electronic components; the stainless steel end cover 1 combined with the visualization window 15 facilitates inspection and maintenance and improves the corrosion resistance at the same time; the magnetic ring 3 assembly enhances the connection strength between the end cover 1 and the inner ring member 2 and improves the load-bearing capacity of the wheel hub; the lower sealing ring 9 assembly ensures good sealing performance and prevents moisture and impurities from entering the inside of the wheel hub.

[0021] In this embodiment, magnetic attraction blocks 18 are provided at the connection between the inner wall of the end cover 1 and the outer ring member 8. Grooves 19 are provided on the outer ring member 8. The number of the magnetic attraction blocks 18 and the grooves 19 is 5 - 7 and they cooperate with each other. A pull ring 17 is provided on the outer wall of the end cover 1. The cooperative design of the magnetic attraction blocks 18 and the grooves 19 provides a quick and reliable connection method, facilitating the assembly and disassembly of the wheel hub. The design of the pull ring 17 facilitates the user to manually and mechanically pull the end cover 1 when needed for maintenance or inspection.

[0022] In this embodiment, the bearing assembly includes an upper cage 5 and a lower cage 7. A number of steel balls 6 nested and connected with the cages are provided inside the upper cage 5 and the lower cage 7. The design of the steel balls 6 inside the upper cage 5 and the lower cage 7 increases the contact area, reduces wear, and extends the service life of the bearing.

[0023] In this embodiment, the magnetic ring 3 assembly includes a magnetic ring 3. A fixed bracket 4 is provided on one side of the magnetic ring 3. The other side of the fixed bracket 4 is connected to the inner wall of the end cover 1. The magnetic ring 3 is connected to the inner wall of the end cover 1 through the fixed bracket 4, ensuring the fixity and stability of the magnetic ring 3.

[0024] In this embodiment, the lower sealing ring 9 assembly includes a sealing ring 9. One end of the sealing ring 9 is connected to a metal skeleton 10, and the other side of the metal skeleton 10 is associated with a flange 11. The combined design of the sealing ring 9 and the metal skeleton 10 provides good sealing performance and protects the wheel hub from the external environment.

[0025] In this embodiment, fixing bolts 14 are provided at the bottom of the flange 11. The number of the fixing bolts 14 is 5 to 8, and the material of the fixing bolts 14 is 35CrMo alloy steel. The fixing bolts 14 made of 35CrMo alloy steel have high strength and good toughness, can effectively resist stress under high loads, and improve the overall durability of the wheel hub.

[0026] The implementation principle of this embodiment is as follows: First, align the flange 11 of the wheel hub body with the installation position of the vehicle. Since the first installation hole 13 and the second installation hole 12 integrated with the flange 11 are provided in the flange 11, these installation holes enable the wheel hub to be quickly and accurately positioned and fixed on the vehicle. Then, connect the end cover 1 tightly to the inner ring member 2 through the magnetic ring 3 assembly on the inner wall of the end cover 1. A fixing bracket 4 is provided on one side of the magnetic ring 3 in the magnetic ring 3 assembly, and the other side of the fixing bracket 4 is connected to the inner wall of the end cover 1, ensuring the stability and reliability of the end cover 1. The lower sealing ring 9 assembly includes a sealing ring 9. One end of the sealing ring 9 is connected to a metal skeleton 10, and the other side of the metal skeleton 10 is associated with the flange 11. An electromagnetic shielding layer 16 is coated on the inner wall of the end cover 1, and a visualization window 15 is provided at the center of the outer wall, facilitating users to check and maintain the state inside the wheel hub. At the same time, a pull ring 17 is provided on the outer wall of the end cover 1, and users can easily remove the end cover 1 by pulling the pull ring 17 for necessary maintenance or inspection.

[0027] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0028] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art of this industry should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. An automotive wheel hub unit with large load capacity and high durability, comprising a wheel hub body, characterized in that: The hub body includes a flange (11). On one side inside the flange (11), there is a first mounting hole (13) integrated with the flange (11), and on the other side, there is a second mounting hole (12). An inner ring member (2) nested and connected with the flange (11) is provided on the flange (11). An outer ring member (8) spaced and sleeved with the flange (11) is provided outside the inner ring member (2). A bearing assembly is provided between the outer ring member (8) and the inner ring member (2) and between the inner wall of the flange (11). A end cover (1) is provided on one side of the outer ring member (8). An electromagnetic shielding layer (16) is coated on the inner wall of the end cover (1). A visualization window (15) is provided at the center of the outer wall of the end cover (1). The end cover (1) is made of stainless steel. A magnetic ring (3) assembly is provided at the connection between the end cover (1) and the inner ring member (2). A lower sealing ring (9) assembly is provided at the junction between the flange (11) and the outer ring member (8).

2. The automotive wheel hub unit with large load capacity and high durability according to claim 1, characterized in that: A magnetic attraction block (18) is provided at the connection between the inner wall of the end cover (1) and the outer ring member (8). A clamping groove (19) is provided on the outer ring member (8). The number of the magnetic attraction blocks (18) and the clamping grooves (19) is 5 to 7 and they cooperate with each other. A pull ring (17) is provided on the outer wall of the end cover (1).

3. A large-load and high-durability automotive wheel hub unit according to claim 1, characterized in that: The bearing assembly includes an upper cage (5) and a lower cage (7). A number of steel balls (6) nested and connected with the cages are provided inside both the upper cage (5) and the lower cage (7).

4. A large-load and high-durability automotive wheel hub unit according to claim 3, characterized in that: The magnetic ring (3) assembly includes a magnetic ring (3). A fixed bracket (4) is provided on one side of the magnetic ring (3). The other side of the fixed bracket (4) is connected to the inner wall of the end cover (1).

5. A large-load and high-durability automotive wheel hub unit according to claim 1, characterized in that: The lower sealing ring (9) assembly includes a sealing ring (9). A metal skeleton (10) is connected to one end of the sealing ring (9). The other side of the metal skeleton (10) is associated with the flange (11).

6. A large-load and high-durability automotive wheel hub unit according to claim 1, characterized in that: Fixed bolts (14) are provided at the bottom of the flange (11). The number of the fixed bolts (14) is 5 to 8. The fixed bolts (14) are made of 35CrMo alloy steel.

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