Small high-speed hub unit

Abstract

The utility model relates to the technical field of automobile accessories, and discloses a small high-speed hub unit which comprises an outer ring and a hub flange plate, the hub flange plate is installed on the right side of the right side of the outer ring, a fixing ring is fixed to the left side of the outer portion of the outer ring, and a corrugated sleeve is arranged on the right side of the fixing ring. A mounting ring is fixed to the left side of the corrugated sleeve, fixing bolts are arranged on the right side of the mounting ring, threaded holes are formed in the right side of the fixing ring, and four sets of fixing bolts are annularly arranged on the right side of the mounting ring at equal intervals. When the small high-speed hub unit is installed and used, the corrugated sleeve is installed on the outer side of the outer ring, the outer side of the outer ring can be wrapped and sealed in an auxiliary mode through the arranged corrugated sleeve, splashed external water is blocked in an auxiliary mode, water and dust are prevented, and the corrosion condition caused by the humid environment on the outer side is reduced; the problem that auxiliary water prevention of the outer side of a hub unit is inconvenient is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of automotive parts, and particularly relates to a small high-speed hub unit. Background Technique

[0002] The hub unit is the transmission part connecting the vehicle suspension mechanism and the wheel. Its main functions are to bear the weight of the vehicle and provide precise guidance for the rotation of the hub. At the same time, it can bear radial loads and axial loads, supporting the smooth and high-speed operation of the wheel, and is one of the important chassis parts.

[0003] However, during the actual installation and use of some high-speed hub units, most of the outer sides of the hub units are directly exposed to the outside. During the vehicle driving process, the accumulated water on the road surface is easily directly splashed on the outer sides of the hub units driven by the tires, resulting in the humid corrosion of the outer sides of the hub units. There are no measures to assist in waterproofing the outer sides of the hub units when the hub units are installed and used.

[0004] Now, a new type of small high-speed hub unit is proposed to solve the above deficiencies. Content of the Utility Model

[0005] The purpose of the utility model is to provide a small high-speed hub unit to solve the problem of inconvenient auxiliary waterproofing of the outer side of the hub unit proposed in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A small high-speed hub unit, including an outer ring and a hub flange. The hub flange is installed on the right side of the right side of the outer ring. A fixing ring is fixed on the left side of the outside of the outer ring. A corrugated sleeve is arranged on the right side of the fixing ring. An installation ring is fixed on the left side of the corrugated sleeve. A fixing bolt is arranged on the right side of the installation ring. A threaded hole is opened inside the right side of the fixing ring.

[0007] As a further technical solution of the utility model, four groups of the fixing bolts are annularly and equidistantly arranged on the right side of the installation ring. Four groups of the threaded holes are annularly and equidistantly arranged inside the right side of the fixing ring. The fixing bolts penetrate through the inside of the installation ring and are rotationally connected inside the threaded holes.

[0008] As a further technical solution of the utility model, the right side of the outer ring penetrates through the inside of the fixing ring, the installation ring and the corrugated sleeve respectively. The corrugated sleeve is a rubber material component.

[0009] As a further technical solution of the present utility model, a first mounting foot is fixed at the middle position of the top end of the outer ring, and a top cover is arranged at the top end of the first mounting foot. A second mounting foot is fixed at the bottom end of the outer ring, and a bottom cover is arranged at the bottom end of the second mounting foot. Screw holes are respectively formed inside the top end of the first mounting foot and inside the bottom end of the second mounting foot. Mounting bolts are respectively arranged at the top end of the top cover and the bottom end of the bottom cover. The top cover and the bottom cover are symmetrically arranged with respect to the horizontal center line of the outer ring.

[0010] As a further technical solution of the present utility model, the mounting bolts respectively penetrate through the interiors of the top cover and the bottom cover and are threadedly and rotatably connected in the screw holes.

[0011] As a further technical solution of the present utility model, a side cover is arranged on the left side outside the hub flange, and an opening is formed inside the left side of the side cover. Connecting bolts are respectively arranged at the top, bottom and both ends of the left side of the side cover. Four groups of mounting holes are equidistantly formed inside the left side of the hub flange.

[0012] As a further technical solution of the present utility model, the opening penetrates through the interior of the left side of the side cover, and the right sides of the connecting bolts penetrate through the interior of the side cover and are threadedly and rotatably connected in the mounting holes.

[0013] As a further technical solution of the present utility model, an inner ring is installed inside the outer ring, and a cage is arranged between the outer ring and the inner ring. A plurality of balls are arranged inside the cage. A hub bolt is inserted and fixed inside the hub flange.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: This small high-speed hub unit not only realizes auxiliary waterproofing for the outside of the hub unit, realizes anti-collision protection for the outside of the fixed components of the hub unit, but also realizes anti-abrasion for the outside of the movable components of the hub unit.

[0015] (1) By providing an outer ring, a fixing ring, a mounting ring, a corrugated sleeve, a threaded hole and a fixing bolt, when the hub unit is installed and used, a corrugated sleeve is installed outside the outer ring. The provided corrugated sleeve can assist in wrapping and closing the outside of the outer ring, assist in blocking the splashed external water and liquid, prevent water and dust, and reduce the corrosion caused by the humid environment outside.

[0016] (2) By providing an outer ring, a top cover, a first mounting foot, a bottom cover, a mounting bolt, a second mounting foot and a screw hole, a top cover and a bottom cover are installed and fixed at the top end and the bottom end outside the outer ring inside the hub unit by using mounting bolts. The symmetrically installed top cover and bottom cover can provide auxiliary outer cover anti-collision protection for the outside of the outer ring, and reduce the scratch and collision damage on the outside of the outer ring.

[0017] (3) By being provided with a hub flange, a side cover, connecting bolts, openings and mounting holes, when installing a small high-speed hub unit, a side cover is fixedly installed outside the hub flange. The side cover can be used to cover and protect the outside of the hub flange, reducing the wear caused by foreign objects contacting the outside during the rotation of the hub flange, and facilitating the anti-wear protection of the outside of the movable components of the hub unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a front view sectional structure schematic diagram of the present utility model;

[0019] Figure 2 is a front view structure schematic diagram of the corrugated sleeve of the present utility model;

[0020] Figure 3 is a front view partial sectional structure schematic diagram of the top cover of the present utility model;

[0021] Figure 4 is a front view partial sectional structure schematic diagram of the side cover of the present utility model.

[0022] In the figure: 1, outer ring; 2, fixing ring; 3, mounting ring; 4, corrugated sleeve; 5, top cover; 6, first mounting foot; 7, hub bolt; 8, side cover; 9, hub flange; 10, bottom cover; 11, mounting bolt; 12, second mounting foot; 13, threaded hole; 14, fixing bolt; 15, screw hole; 16, connecting bolt; 17, opening; 18, mounting hole; 19, cage; 20, inner ring; 21, ball. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-4 , the present utility model provides an embodiment: a small high-speed hub unit, including an outer ring 1 and a hub flange 9. A hub flange 9 is installed on the right side of the right side of the outer ring 1. A fixing ring 2 is fixed on the left side of the outside of the outer ring 1. A corrugated sleeve 4 is arranged on the right side of the fixing ring 2. A mounting ring 3 is fixed on the left side of the corrugated sleeve 4. A fixing bolt 14 is arranged on the right side of the mounting ring 3. A threaded hole 13 is opened inside the right side of the fixing ring 2;

[0025] Four groups of fixing bolts 14 are arranged at equal intervals in a circular shape on the right side of the mounting ring 3. Four groups of threaded holes 13 are arranged at equal intervals in a circular shape inside the right side of the fixing ring 2. The fixing bolts 14 penetrate through the inside of the mounting ring 3 and are rotatably connected to the inside of the threaded holes 13. The right side of the outer ring 1 penetrates through the inside of the fixing ring 2, the mounting ring 3, and the corrugated sleeve 4 respectively. The corrugated sleeve 4 is a rubber material component;

[0026] Specifically, as Figure 1 and Figure 2 shown, a corrugated sleeve 4 is installed on the outside of the outer ring 1. By providing the corrugated sleeve 4, the outside of the outer ring 1 can be assisted in wrapping and sealing, and the splashed external water and liquid can be assisted in blocking, for waterproof and dustproof.

[0027] At the middle position of the top end of the outer ring 1, a mounting foot one 6 is fixed, and a top cover 5 is arranged at the top end of the mounting foot one 6. At the bottom end of the outer ring 1, a mounting foot two 12 is fixed, and a bottom cover 10 is arranged at the bottom end of the mounting foot two 12. Screw holes 15 are respectively opened inside the top end of the mounting foot one 6 and the bottom end of the mounting foot two 12. Mounting bolts 11 are respectively arranged at the top end of the top cover 5 and the bottom end of the bottom cover 10. The top cover 5 and the bottom cover 10 are symmetrically arranged about the horizontal center line of the outer ring 1. The mounting bolts 11 respectively penetrate through the inside of the top cover 5 and the bottom cover 10 and are threadedly rotatably connected in the screw holes 15;

[0028] Specifically, as Figure 1 and Figure 3 shown, at the top end and the bottom end outside the outer ring 1 inside the hub unit, a top cover 5 and a bottom cover 10 are installed and fixed by mounting bolts 11. The symmetrically installed top cover 5 and bottom cover 10 can provide auxiliary outer cover anti-collision protection for the outside of the outer ring 1.

[0029] On the left side of the outside of the hub flange 9, a side cover 8 is arranged, and an opening 17 is opened inside the left side of the side cover 8. Connecting bolts 16 are respectively arranged at the top, bottom, and both ends of the left side of the side cover 8. Four groups of mounting holes 18 are arranged at equal intervals inside the left side of the hub flange 9. The opening 17 penetrates through the inside of the left side of the side cover 8. The right side of the connecting bolt 16 penetrates through the inside of the side cover 8 and is threadedly rotatably connected in the mounting holes 18;

[0030] Specifically, as Figure 1 and Figure 4 shown, a side cover 8 is installed and fixed on the outside of the hub flange 9. By using the side cover 8, the outside of the hub flange 9 can be covered and protected, reducing the wear caused by the outside contacting foreign objects during the rotation of the hub flange 9, and providing anti-wear protection for the outside of the movable components of the hub unit.

[0031] An inner ring 20 is installed on the inside of the outer ring 1, and a cage 19 is arranged between the outer ring 1 and the inner ring 20. Multiple groups of balls 21 are arranged inside the cage 19. A hub bolt 7 is inserted and fixed inside the hub flange 9.

[0032] Working principle: When the utility model is installed and used, a corrugated sleeve 4 is installed on the outer side of the outer ring 1. Through the corrugated sleeve 4, the outer side of the outer ring 1 can be wrapped and sealed assistantly to assist in blocking the splashed external water and liquid, achieving waterproof and dustproof functions. At the same time, a top cover 5 and a bottom cover 10 are installed and fixed at the top and bottom of the outside of the outer ring 1 inside the hub unit by using mounting bolts 11. The symmetrically installed top cover 5 and bottom cover 10 can provide auxiliary outer cover anti-collision protection for the outer side of the outer ring 1. And when the small high-speed hub unit is installed, a side cover 8 is also installed and fixed on the outer side of the hub flange 9. The side cover 8 can be used to cover and protect the outside of the hub flange 9 from abrasion.

Claims

1. A small high-speed wheel hub unit, comprising an outer ring (1) and a wheel hub flange (9), characterized in that: A hub flange (9) is installed on the right side of the outer ring (1). A fixing ring (2) is fixed on the left side of the outside of the outer ring (1). A corrugated sleeve (4) is arranged on the right side of the fixing ring (2). An installation ring (3) is fixed on the left side of the corrugated sleeve (4). A fixing bolt (14) is arranged on the right side of the installation ring (3). A threaded hole (13) is formed in the inside of the right side of the fixing ring (2).

2. The small high-speed hub unit according to claim 1, characterized in that: Four groups of the fixing bolts (14) are arranged at equal intervals in a ring shape on the right side of the installation ring (3). Four groups of the threaded holes (13) are arranged at equal intervals in a ring shape in the inside of the right side of the fixing ring (2). The fixing bolts (14) penetrate through the inside of the installation ring (3) and are rotatably connected in the threaded holes (13).

3. A small high-speed hub unit according to claim 1, characterized in that: The right side of the outer ring (1) penetrates through the inside of the fixing ring (2), the installation ring (3) and the corrugated sleeve (4). The corrugated sleeve (4) is a rubber material component.

4. A small high-speed hub unit according to claim 1, characterized in that: An installation foot one (6) is fixed at the middle position of the top end of the outer ring (1), and a top cover (5) is arranged at the top end of the installation foot one (6). An installation foot two (12) is fixed at the bottom end of the outer ring (1), and a bottom cover (10) is arranged at the bottom end of the installation foot two (12). Screw holes (15) are respectively formed in the inside of the top end of the installation foot one (6) and the bottom end of the installation foot two (12). Installation bolts (11) are respectively arranged at the top end of the top cover (5) and the bottom end of the bottom cover (10). The top cover (5) and the bottom cover (10) are symmetrically arranged about the horizontal center line of the outer ring (1).

5. The small high-speed hub unit according to claim 4, characterized in that: The installation bolts (11) respectively penetrate through the inside of the top cover (5) and the bottom cover (10) and are threadedly rotatably connected in the screw holes (15).

6. A small high-speed hub unit according to claim 1, characterized in that: A side cover (8) is arranged on the left side of the outside of the hub flange (9). An opening (17) is formed in the inside of the left side of the side cover (8). Connecting bolts (16) are respectively arranged at the top, bottom and both ends of the left side of the side cover (8). Four groups of installation holes (18) are equally spaced in the inside of the left side of the hub flange (9).

7. A small high-speed hub unit according to claim 6, characterized in that: The opening (17) penetrates through the inside of the left side of the side cover (8). The right side of the connecting bolt (16) penetrates through the inside of the side cover (8) and is threadedly rotatably connected in the installation hole (18).

8. A small high-speed hub unit according to claim 1, characterized in that: An inner ring (20) is installed on the inner side of the outer ring (1). A cage (19) is arranged between the outer ring (1) and the inner ring (20). A plurality of balls (21) are arranged in the inside of the cage (19). A hub bolt (7) is inserted and fixed in the inside of the hub flange (9).

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