Lightweight hub bearing unit

Abstract

The utility model relates to the field of bearings, and discloses a lightweight hub bearing unit, which comprises a shaft bushing, a bearing arranged at the upper end of the shaft bushing, a lower shaft bushing arranged at the bottom of the shaft bushing, a lining shaft arranged inside the shaft bushing, a fastening sleeve arranged at the upper end of the lining shaft, and a clamping assembly arranged on the outer wall of the lining shaft, the mounting base is used for mounting a lining shaft; the fastening assembly is arranged on the outer wall of the shaft bushing and used for fixing the clamping assembly. According to the shaft bushing, the installation process is easier to understand and operate, the installation difficulty is reduced, the installation skill can be mastered more quickly, the installation time is shortened, and the overall working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of bearings, in particular to a lightweight wheel hub bearing unit. Background Art

[0002] Wheel hub bearings are a key component in automobiles. They are mainly located in the wheel hub of the automobile and play the role of bearing weight and providing precise guidance for the rotation of the wheel hub. Lightweight wheel hub bearings are an important development direction of the automobile industry in recent years. Its main goal is to reduce the weight of the bearings while maintaining or improving their performance by optimizing the design and material selection. Lightweight design can not only save raw material costs, but also reduce vehicle energy consumption and improve fuel efficiency, which has important application value.

[0003] Existing lightweight bearings usually adopt an integrated design. Although it improves the overall performance of the bearing, it also makes the installation process relatively complicated. For installers who are not familiar with this design, it may take longer time and a higher level of technology to complete the installation. For this reason, we propose a lightweight hub bearing unit. Utility Model Content

[0004] The purpose of the utility model is to provide a lightweight wheel hub bearing unit to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lightweight hub bearing unit, including a shaft bushing, a bearing is arranged at the upper end of the shaft bushing, a lower shaft bushing is arranged at the bottom of the shaft bushing, an inner liner shaft is arranged inside the shaft bushing, and a fastening sleeve is arranged at the upper end of the inner liner shaft, and also includes:

[0006] A clamping assembly is arranged on the outer wall of the lining shaft and is used to install the lining shaft. The clamping assembly includes a clamping plate, a slide plate and a spring. Four clamping plates are arranged, two of which are fixedly connected to the support rod. A plurality of slide plates are arranged, and the plurality of slide plates are respectively fixedly connected between the four clamping plates. The slide plates are respectively fixedly connected to the inner walls of the four clamping plates, and the inner walls of the slide plates are fitted together with the inner wall of the lining shaft.

[0007] A fastening assembly is arranged on the outer wall of the shaft bushing and is used to fix the clamping assembly. The fastening assembly includes a fastening ring and a support rod. The fastening ring is arranged at a position corresponding to the sleeve, and the support rod is arranged at a position corresponding to the sleeve of the fastening ring. The support rod penetrates the sleeve and the shaft bushing and extends to the inside of the shaft bushing. The fastening rings are fixed together by screws.

[0008] Preferably, the bottom of the bearing extends into the interior of the shaft bushing and is rotatably connected to the inner wall of the liner shaft, the upper end of the outer wall of the shaft bushing is fixedly connected to a bearing end cover, and a screw hole is provided on the top of the bearing end cover.

[0009] Preferably, openings are provided at both ends of the shaft bushing, sleeves are provided at positions at both ends of the shaft bushing corresponding to the openings, and the sleeves are fixedly connected to the shaft bushing.

[0010] Preferably, the sleeve is made of rubber.

[0011] Preferably, the slide plate is made of ceramic.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] When using the lightweight hub bearing unit, the fastening ring is first separated by screws, and then the lower shaft bushing is placed at the bottom of the shaft bushing, and then the inner liner shaft is placed inside the shaft bushing so that the outer wall of the inner liner shaft fits the inner wall of the skateboard, and then the screws are tightened, and then the fastening ring is driven to approach, and when the fastening ring approaches, the support rod is driven to approach, and the sleeve is squeezed at the same time, and when the support rod approaches, two of the clamps are squeezed, and when two of the clamps are squeezed, the other two clamps are driven to approach by the spring, so that the inner liner shaft is fixed, and after the inner liner shaft is fixed, the fastening sleeve and the bearing are placed inside the shaft bushing to complete the installation, and when disassembling, the fastening ring is separated by screws so that the clamps stop fixing the inner liner shaft, and the disassembly can be performed quickly, and the installation process is easier to understand and operate, reducing the difficulty of installation, and being able to master installation skills more quickly, reducing installation time, and improving overall work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the fastening ring structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure decomposition of the utility model;

[0017] Figure 4 It is a schematic diagram of the structure of the clamping assembly and the fastening assembly of the utility model.

[0018] In the figure: 1. shaft bushing; 2. sleeve; 3. fastening sleeve; 4. liner shaft; 5. lower shaft bushing; 6. bearing; 7. bearing end cover; 8. screw hole; 9. fastening ring; 10. support rod; 11. splint; 12. slide plate; 13. spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 A lightweight wheel hub bearing unit includes a shaft bushing 1, a bearing 6 is arranged at the upper end of the shaft bushing 1, a lower shaft bushing 5 is arranged at the bottom of the shaft bushing 1, an inner liner shaft 4 is arranged inside the shaft bushing 1, and a fastening sleeve 3 is arranged at the upper end of the inner liner shaft 4, and also includes:

[0021] A clamping assembly is arranged on the outer wall of the lining shaft 4 and is used to install the lining shaft 4. The clamping assembly includes a clamping plate 11, a slide plate 12 and a spring 13. Four clamping plates 11 are arranged, two of which are fixedly connected to the support rod 10. A plurality of slide plates 12 are arranged, and the plurality of slide plates 12 are respectively fixedly connected between the four clamping plates 11. The slide plates 12 are respectively fixedly connected to the inner walls of the four clamping plates 11. The inner walls of the slide plates 12 fit together with the inner walls of the lining shaft 4 and can be quickly disassembled. The installation process is easier to understand and operate, which reduces the difficulty of installation, enables faster mastery of installation skills, reduces installation time, and improves overall work efficiency.

[0022] A fastening assembly is arranged on the outer wall of the shaft sleeve 1 and is used to fix the clamping assembly. The clamping assembly includes a clamping plate 11, a slide plate 12 and a spring 13. Four clamping plates 11 are arranged, two of which are fixedly connected to the support rod 10. Multiple slide plates 12 are arranged, and multiple slide plates 12 are respectively fixedly connected between the four clamping plates 11. The slide plates 12 are respectively fixedly connected to the inner walls of the four clamping plates 11. The inner walls of the slide plates 12 fit together with the inner walls of the liner shaft 4 and can be quickly disassembled. The installation process is easier to understand and operate, reducing the difficulty of installation, being able to master the installation skills more quickly, reducing the installation time, and improving the overall work efficiency. The fastening assembly includes a fastening ring 9 and a support rod 10. The fastening ring 9 is arranged at a position corresponding to the sleeve 2, and the support rod 10 is arranged at a position corresponding to the sleeve 2 of the fastening ring 9. The support rod 10 penetrates the sleeve 2 and the shaft sleeve 1 and extends to the inside of the shaft sleeve 1. The fastening rings 9 are fixedly connected together by screws.

[0023] Furthermore, the bottom of the bearing 6 extends to the inside of the shaft bushing 1 and is rotatably connected to the inner wall of the liner shaft 4. The upper end of the outer wall of the shaft bushing 1 is fixedly connected to the bearing end cover 7. The top of the bearing end cover 7 is provided with a screw hole 8. When in use, the fastening ring 9 is first separated by screws, and then the lower shaft bushing 5 is placed on the bottom of the shaft bushing 1, and then the liner shaft 4 is placed inside the shaft bushing 1, so that the outer wall of the liner shaft 4 is fitted with the inner wall of the slide plate 12, and then the screws are tightened, and then the fastening ring 9 is driven close, and then the fastening ring 9 is tightened. When the fastening ring 9 approaches, it drives the support rod 10 to approach and squeezes the sleeve 2 at the same time. When the support rod 10 approaches, two of the clamps 11 are squeezed. When two of the clamps 11 are squeezed, the other two clamps 11 are driven to approach through the spring 13, thereby fixing the lining shaft 4. After the lining shaft 4 is fixed, the fastening sleeve 3 and the bearing 6 are placed inside the shaft sleeve 1 to complete the installation. When disassembling, the fastening ring 9 is separated by screws to stop the clamps 11 from fixing the lining shaft 4.

[0024] Furthermore, openings are provided at both ends of the shaft bushing 1 , and sleeves 2 are provided at positions at both ends of the shaft bushing 1 corresponding to the openings, and the sleeves 2 are fixedly connected to the shaft bushing 1 .

[0025] Furthermore, the sleeve 2 is made of rubber to enhance its sealing performance.

[0026] Furthermore, the fastening assembly includes a fastening ring 9 and a support rod 10. The fastening ring 9 is arranged at a position corresponding to the sleeve 2, and the support rod 10 is arranged at a position corresponding to the sleeve 2 of the fastening ring 9. The support rod 10 penetrates the sleeve 2 and the shaft bushing 1 and extends to the inside of the shaft bushing 1. The fastening rings 9 are fixed together by screws.

[0027] Furthermore, the clamping assembly includes a splint 11, a slide plate 12 and a spring 13. Four splints 11 are provided, two of which are fixedly connected to the support rod 10. Multiple slide plates 12 are provided, and the multiple slide plates 12 are respectively fixedly connected between the four splints 11. The slide plates 12 are respectively fixedly connected to the inner walls of the four splints 11, and the inner walls of the slide plates 12 are fitted together with the inner wall of the lining shaft 4.

[0028] Furthermore, the material of the slide plate 12 is ceramic, which has good wear resistance.

[0029] Working principle: When in use, first separate the fastening ring 9 by screws, then place the lower shaft bushing 5 at the bottom of the shaft bushing 1, and then place the lining shaft 4 inside the shaft bushing 1, so that the outer wall of the lining shaft 4 fits with the inner wall of the slide plate 12, and then tighten the screws, and then drive the fastening ring 9 closer. When the fastening ring 9 is close, the support rod 10 is driven close, and the sleeve 2 is squeezed at the same time. When the support rod 10 is close, two of the clamps 11 are squeezed. When two of the clamps 11 are squeezed, the other two clamps 11 are driven close by the spring 13, so as to fix the lining shaft 4. After the lining shaft 4 is fixed, the fastening sleeve 3 and the bearing 6 are placed inside the shaft bushing 1 to complete the installation. When disassembling, the fastening ring 9 is separated by screws so that the clamps 11 stop fixing the lining shaft 4, which can be quickly disassembled. The installation process is easier to understand and operate, reducing the difficulty of installation, and can master the installation skills more quickly, reducing the installation time and improving the overall work efficiency.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lightweight wheel hub bearing unit, comprising a shaft bushing (1), a bearing (6) being arranged at the upper end of the shaft bushing (1), a lower shaft bushing (5) being arranged at the bottom of the shaft bushing (1), an inner liner shaft (4) being arranged inside the shaft bushing (1), and a fastening sleeve (3) being arranged at the upper end of the inner liner shaft (4), It is characterized in that Also includes: A clamping assembly is arranged on the outer wall of the lining shaft (4) and is used to install the lining shaft (4). The clamping assembly includes a clamping plate (11), a slide plate (12) and a spring (13). Four clamping plates (11) are provided, and two of the four clamping plates (11) are fixedly connected to the support rod (10). A plurality of slide plates (12) are provided, and the plurality of slide plates (12) are respectively fixedly connected between the four clamping plates (11). The slide plates (12) are respectively fixedly connected to the inner walls of the four clamping plates (11), and the inner walls of the slide plates (12) are fitted together with the inner wall of the lining shaft (4); A fastening assembly is arranged on the outer wall of the shaft bushing (1) and is used to fix the clamping assembly. The fastening assembly comprises a fastening ring (9) and a support rod (10). The fastening ring (9) is arranged at a position corresponding to the sleeve (2). The support rod (10) is arranged at a position corresponding to the sleeve (2) of the fastening ring (9). The support rod (10) penetrates the sleeve (2) and the shaft bushing (1) and extends to the interior of the shaft bushing (1). The fastening rings (9) are fixedly connected together by screws.

2. A lightweight hub bearing unit according to claim 1, Features: The bottom of the bearing (6) extends into the interior of the shaft bushing (1) and is rotatably connected to the inner wall of the liner shaft (4); the upper end of the outer wall of the shaft bushing (1) is fixedly connected to a bearing end cover (7); a screw hole (8) is provided at the top of the bearing end cover (7).

3. A lightweight hub bearing unit according to claim 2, Features: Openings are provided at both ends of the shaft bushing (1), sleeves (2) are provided at positions at both ends of the shaft bushing (1) corresponding to the openings, and the sleeves (2) are fixedly connected to the shaft bushing (1).

4. A lightweight hub bearing unit according to claim 3, Features: The material of the sleeve (2) is rubber.

5. A lightweight hub bearing unit according to claim 1, Features: The material of the slide plate (12) is ceramic.

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