Split hub mounting structure

Abstract

A split hub installation structure comprises an axle and a hub, a fixing assembly is detachably installed at the end of the axle, and the hub is axially arranged on the fixing assembly in a limiting and sleeving mode; the fixing assembly comprises a bearing, the end of the axle is sleeved with the bearing, and the bearing is sleeved with the hub. A limiting edge is arranged at one end of the hub, a first limiting face is arranged at one end of the bearing, and the limiting edge abuts against the first limiting face in the direction of the outer end of the axle, so that the hub is axially arranged on the bearing in a limiting and sleeving mode. According to the split hub installation structure, the hub is independently arranged in a split mode, the end of the axle is detachably provided with the fixing assembly, the hub is axially arranged on the fixing assembly in a sleeved mode in a limiting mode, the hub does not need to be fixed through screws, the hub is more convenient to disassemble and assemble, and in addition, the hub and the flange are arranged in a split mode, so that the assembly and disassembly are more convenient. Therefore, the parts are more flexible to disassemble and assemble and do not need to be disassembled during maintenance, and the maintenance cost is effectively reduced.

Description

Technical Field

[0001] This utility model relates to the field of axle technology, and in particular to a split wheel hub mounting structure. Background Technology

[0002] Chinese Patent Publication No. CN218913542U, published on April 25, 2023, discloses an improved brake disc assembly structure, including a brake disc, a hub, and a connector. The brake disc and the connector are interconnected. The brake disc has a flat disc structure, and the connector and hub are an integral structure. A first bearing is provided inside the hub near the brake disc, and a heat-insulating gasket is provided between the hub and the brake disc. This structure integrates the hub and flange, requiring the hub to be fixed with screws, which results in inconvenient disassembly and assembly and high maintenance costs.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The purpose of this utility model is to provide a split wheel hub mounting structure that is simple in structure, easy to assemble and disassemble, flexible in assembly and disassembly, low in maintenance cost, and highly practical, so as to overcome the shortcomings of the prior art.

[0005] A split wheel hub mounting structure designed for this purpose includes an axle and a wheel hub, characterized in that: a fixing component is detachably mounted at the end of the axle, and the axial limiting sleeve of the wheel hub is fitted on the fixing component.

[0006] The fixed components include bearings, which are mounted on the ends of the axles, and wheel hubs are mounted on the bearings.

[0007] One end of the wheel hub is provided with a limiting edge, and one end of the bearing is provided with a first limiting surface. The limiting edge abuts against the first limiting surface in the direction of the outer end of the axle so that the wheel hub is axially limited and fitted onto the bearing.

[0008] The fixing component also includes a fastener, which is fixedly fitted to the end of the axle. The other end of the bearing is provided with a second limiting surface, which abuts against the fastener in the direction of the outer end of the axle.

[0009] A threaded engagement is provided between the fastener and the axle, and the fastener is fixed to the end of the axle through the threaded engagement.

[0010] A third limiting surface is provided on the axle, and a fourth limiting surface is provided at one end of the bearing. The fourth limiting surface abuts against the third limiting surface in the direction of the inner end of the axle.

[0011] The wheel hub has a through hole inside, through which it is fitted onto the bearing. One end of the through hole protrudes inward and has a limiting edge.

[0012] The other end of the hub has several first fixing holes arranged in a ring for connecting the flange.

[0013] The other end side of the hub is outwardly protruding and forms a reinforcing part, and a plurality of recesses are annularly arranged on the reinforcing part.

[0014] The first fixing hole is annularly arranged on the outer end surface of the reinforcing part.

[0015] The split hub mounting structure of the utility model is separately arranged, the end part of the axle is detachably installed with the fixing assembly, the hub is axially limited and sleeved on the fixing assembly, the hub does not need to be fixed through screws, so that the disassembly and assembly of the hub are more convenient, in addition, the hub and the flange are separately arranged, so that the disassembly and assembly of each part are more flexible, and each part does not need to be disassembled during maintenance, thereby effectively reducing the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a sectional view of the hub mounting structure in an embodiment of the utility model.

[0017] Figure 2 It is an exploded structure schematic view of the hub mounting structure in an embodiment of the utility model.

[0018] Figure 3 It is an exploded structure schematic view of the hub mounting structure in another orientation in an embodiment of the utility model.

[0019] Figure 4 It is an exploded structure schematic view of the hub mounting structure, the flange and the brake disc in an embodiment of the utility model.

[0020] Figure 5 It is an assembly structure schematic view of the hub mounting structure, the flange and the brake disc in an embodiment of the utility model.

[0021] Figure 6 It is a whole structure schematic view of the hub in an embodiment of the utility model. DETAILED DESCRIPTION

[0022] The utility model will be further described in combination with the drawings and embodiments.

[0023] Referring to Figures 1-6 The split hub mounting structure comprises an axle 1 and a hub 2, the end part of the axle 1 is detachably installed with a fixing assembly, and the hub 2 is axially limited and sleeved on the fixing assembly.

[0024] The fixing assembly comprises a bearing 3, the bearing 3 is sleeved on the end part of the axle 1, and the hub 2 is sleeved on the bearing 3.

[0025] The hub 2 is provided with a limiting edge 4 at one end, and the bearing 3 is provided with a first limiting surface 5 at one end, the limiting edge 4 abuts against the first limiting surface 5 in the direction of the outer end of the axle 1, so that the hub 2 is axially limited and sleeved on the bearing 3.

[0026] The fixing assembly further comprises a fastener 6, which is fixed and sleeved on the end of the axle 1, and the bearing 3 is provided with a second limiting surface 7 at the other end, the second limiting surface 7 abuts against the fastener 6 in the direction of the outer end of the axle 1, so that the bearing 3 is locked on the end of the axle 1, and the hub 2 is locked on the end of the axle 1.

[0027] The fastener 6 and the axle 1 are provided with a threaded matching part, the fastener 6 is fixed on the end of the axle 1 through the threaded matching part, the fastener 6 is a locking nut, the threaded matching part comprises an internal thread provided on the locking nut and an external thread provided on the end of the axle 1, and the external thread and the internal thread match with each other.

[0028] When the hub 2 is installed, the hub 2 is first sleeved on the bearing 3, then the whole is sleeved on the end of the axle 1, and finally the fastener 6 is locked, and the disassembly process is opposite to the installation process and has the same principle.

[0029] The axle 1 is provided with a third limiting surface 8, and the bearing 3 is provided with a fourth limiting surface 14 at one end, the fourth limiting surface 14 abuts against the third limiting surface 8 in the direction of the inner end of the axle 1, so that the bearing 3 is axially positioned.

[0030] The hub 2 is internally provided with a through hole 9, the hub 2 is sleeved on the bearing 3 through the through hole 9, and the through hole 9 is provided with a limiting edge 4 protruding inward at one end.

[0031] The other end of the hub 2 is annularly provided with a plurality of first fixing holes 11 for connecting flanges 10.

[0032] The other end of the hub 2 is outwardly protruding and forms a reinforcing portion 12, a plurality of recesses 13 are annularly arranged on the reinforcing portion 12, and the reinforcing portion 12 and the recesses 13 can improve the structural strength of the hub 2.

[0033] The first fixing holes 11 are annularly arranged on the outer end surface of the reinforcing portion 12.

[0034] The outer side of the hub 2 is provided with a brake disc 16, the outer side of the brake disc 16 is provided with a flange 10, the brake disc 16 is provided with a sleeving portion 15, and the brake disc 16 is sleeved on the hub 2 through the sleeving portion 15.

[0035] A plurality of second fixing holes 17 are annularly arranged on the brake disc 16, a plurality of third fixing holes 18 are annularly arranged on the flange 10, and fasteners 19 (screws) are fastened and connected with the first fixing holes 11 after sequentially penetrating through the third fixing holes 18 and the second fixing holes 17, so as to connect the hub 2, the brake disc 16 and the flange 10, and further fix the brake disc 16 and the flange 10 on the end of the axle 1; when disassembling, the flange 10 is first disassembled, then the brake disc 16 is disassembled, and finally the hub 2 is disassembled; the installation process is opposite to the disassembling process, and the principle is the same.

[0036] The above is the preferred scheme of the utility model, and the basic principle, main features and advantages of the utility model are shown and described. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only for illustrating the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed for protection. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A split hub mounting structure comprising an axle (1) and a hub (2), characterized by: The end of the axle (1) is detachably mounted with a fixing assembly, and the hub (2) is axially limited and sleeved on the fixing assembly. The fixing assembly comprises a bearing (3), the bearing (3) is sleeved on the end of the axle (1), and the hub (2) is sleeved on the bearing (3). One end of the hub (2) is provided with a limiting edge (4), one end of the bearing (3) is provided with a first limiting surface (5), the limiting edge (4) is abutted on the first limiting surface (5) in the direction of the outer end of the axle (1), so that the hub (2) is axially limited and sleeved on the bearing (3).

2. The split hub mounting structure of claim 1, wherein: The fixing assembly further comprises a fastener (6), the fastener (6) is fixedly sleeved on the end of the axle (1), the other end of the bearing (3) is provided with a second limiting surface (7), and the second limiting surface (7) is abutted on the fastener (6) in the direction of the outer end of the axle (1).

3. The split hub mounting structure of claim 2, wherein: A threaded part is arranged between the fastener (6) and the axle (1), and the fastener (6) is fixed on the end of the axle (1) through the threaded part.

4. The split hub mounting structure of claim 2, wherein: A third limiting surface (8) is arranged on the axle (1), one end of the bearing (3) is provided with a fourth limiting surface (14), and the fourth limiting surface (14) is abutted on the third limiting surface (8) in the direction of the inner end of the axle (1).

5. The split hub mounting structure of claim 1, wherein: A through hole (9) is arranged in the hub (2), the hub (2) is sleeved on the bearing (3) through the through hole (9), and the through hole (9) is provided with the limiting edge (4) which is protruded inward at one end.

6. The split hub mounting structure of claim 1, wherein: A plurality of first fixing holes (11) for connecting flanges (10) are annularly arranged on the other end of the hub (2).

7. The split hub mounting structure of claim 6, wherein: The other end of the hub (2) is outwardly protruded to form a reinforcing portion (12), and a plurality of recesses (13) are annularly arranged on the reinforcing portion (12).

8. The split hub mounting structure of claim 7, wherein: The first fixing holes (11) are annularly arranged on the outer end surface of the reinforcing portion (12).

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