Double-layer hub

Abstract

The double-layer hub comprises a hub body, a rim assembly and a plurality of spokes, the rim assembly comprises an inner rim and an outer rim, the inner ends of the spokes are detachably connected with the hub body, the outer ends of the spokes are detachably connected with the inner rim, a first connecting ring is arranged on the outer side wall of the inner rim, and a second connecting ring is arranged on the outer side wall of the inner rim. A second connecting ring is arranged on the inner side wall of the outer rim, the first connecting ring and the second connecting ring are detachably connected, and the inner side wall of the outer rim covers the outer side wall of the inner rim at intervals. According to the double-layer hub, the inner rim and the outer rim can be independently replaced based on the abrasion conditions of the inner rim and the outer rim, the whole hub does not need to be replaced at a time, disassembly and assembly are convenient, the maintenance cost is reduced, and the service life of the hub is effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to automobile wheel hub technical field, especially a double -deck wheel hub. BACKGROUND

[0002] Wheel hub, the cylindrical metal part for supporting tire in the automobile tire with the axle as the center, colloquially speaking, it is the part of the center of the wheel installation axle, is the important spare part of connecting brake drum (brake disc), wheel disc and half axle.Wheel hub usually divides into two kinds, one is spoke type wheel hub, one is spoke type wheel hub, wherein, spoke type wheel hub mostly through fixed between wheel hub and wheel rim, the outer ring of wheel hub is usually thin wall structure.For example, the utility model discloses a kind of automobile spoke wheel hub, including wheel rim, multiple spokes and hub barrel main body, the inner end of each spoke is fixedly connected with hub barrel main body, the outer end of each spoke is connected with the screw cap on wheel rim, wheel rim is provided with the welding hole for screw cap embedding.The wheel hub when using, wheel rim bears larger external force, each spoke plays a supporting role to wheel rim, however, when wheel rim is scratched or deformed, due to the integration of wheel rim structure, only the entire wheel hub can be replaced, which brings inconvenience to maintenance work, and also increases maintenance cost. SUMMARY

[0003] The utility model discloses a kind of double-layer wheel hubs to solve the technical deficiency described above, inner rim and outer wheel rim can be independently replaced based on respective wear condition, without replacing entire wheel hub once, it is more convenient to disassemble and assemble, reduce maintenance cost, effectively prolong the service life of the wheel hub.

[0004] To solve the above technical problems, the technical scheme of the utility model is: a double-layer wheel hub, including wheel hub body, wheel rim assembly and multiple spokes, the wheel rim assembly includes inner rim and outer wheel rim, the inner end of the spoke is detachably connected between the wheel hub body, the outer end of the spoke is detachably connected between the inner rim, the outer side wall of the inner rim is provided with first connecting ring, the inner side wall of the outer wheel rim is provided with second connecting ring, the first connecting ring is detachably connected between the second connecting ring, the inner side wall of the outer wheel rim is spacedly covered on the outer side wall of the inner rim.

[0005] Preferably, the first connecting ring is through with a plurality of first mounting holes arrayed along its circumferential direction, the second connecting ring is through with a plurality of second mounting holes arrayed along its circumferential direction, each first mounting hole corresponds to each second mounting hole, and a bolt and a locking nut are installed between the first mounting hole and its corresponding second mounting hole.

[0006] Preferably, the first connecting ring and the second connecting ring are in interference fit on opposite sides, and at least one convex-concave structure is arranged between the opposite sides of the first connecting ring and the second connecting ring, the convex-concave structure comprises an outer convex part and an inner concave part in interference fit, the outer convex part is fixedly connected to the first connecting ring, and the inner concave part is fixedly connected to the second connecting ring; or the outer convex part is fixedly connected to the second connecting ring, and the inner concave part is fixedly connected to the first connecting ring.

[0007] Preferably, a connecting hole is formed through the hub body for the inner end of the spoke to pass through, and a limiting portion is arranged on the part of the connecting hole through which the inner end of the spoke passes.

[0008] Preferably, a movable hole is formed through the inner rim at a position relative to the outer end of the spoke, an installation sleeve is inserted and rotationally connected to the movable hole, and the outer end of the spoke is inserted and bolted to the inner wall of the installation sleeve.

[0009] Preferably, a driving sleeve is formed at the part of the first end of the installation sleeve passing through the movable hole, and the driving sleeve is a square sleeve structure.

[0010] Preferably, a driving end in the form of a nut structure is formed at the part of the second end of the installation sleeve extending out of the movable hole.

[0011] Preferably, the spokes are uniformly distributed in a radial manner along the circumference of the hub body, and two adjacent spokes are arranged in an intersecting and spaced manner.

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

[0013] The double-layer hub comprises a hub body, a spoke, an inner rim, an outer rim and a connecting ring, the hub body is provided with a plurality of spoke connecting holes, the spoke is arranged in the spoke connecting hole, the inner end of the spoke is connected to the hub body, the inner rim is arranged on the outer end of the spoke, the outer rim is arranged on the inner rim, the first connecting ring is arranged on the outer end of the spoke, and the second connecting ring is arranged on the inner rim. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structure schematic view of the hub in the embodiment;

[0015] Figure 2 is a sectional view of the hub in the embodiment;

[0016] Figure 3is the structure diagram of the spoke and the mounting sleeve in the embodiment;

[0017] Figure 4 is the sectional view of the spoke and the mounting sleeve in the embodiment.

[0018] In the figure: 1, hub body; 101, connecting hole; 2, rim assembly; 21, inner rim; 22, outer rim; 201, movable hole; 3, spoke; 301, limiting part; 4, first connecting ring; 401, first mounting hole; 5, second connecting ring; 501, second mounting hole; 6, bolt; 7, lock nut; 8, concave-convex structure; 81, outer convex part; 82, inner concave part; 9, mounting sleeve; 901, driving sleeve; 902, driving end. DETAILED DESCRIPTION

[0019] The utility model will be further described below through the embodiments combined with the drawings.

[0020] Reference Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 A double-layer hub comprises a hub body 1, a rim assembly 2 and a plurality of spokes 3, each spoke 3 is located between the hub body 1 and the rim assembly 2, each spoke 3 is uniformly distributed along the circumference of the hub body 1 in a radial manner, and two adjacent spokes 3 are arranged in a cross and spaced manner.

[0021] The hub body 1 is provided with a connecting hole 101 through which the inner end of the spoke 3 passes, and the part of the connecting hole 101 through which the inner end of the spoke 3 passes is provided with a limiting part 301, so that the inner end of the spoke 3 and the hub body 1 are detachably connected.

[0022] The rim assembly 2 comprises an inner rim 21 and an outer rim 22 coaxially arranged, the inner rim 21 is provided with a movable hole 201 at a position relative to the outer end of the spoke 3, the mounting sleeve 9 is inserted and rotationally connected in the movable hole 201, the outer end of the spoke 3 is inserted and bolted 6 to the inner wall of the mounting sleeve 9, so that the outer end of the spoke 3 and the inner rim 21 are detachable.

[0023] The outer side wall of the inner rim 21 is provided with a first connecting ring 4, the inner side wall of the outer rim 22 is provided with a second connecting ring 5, the first connecting ring 4 is provided with a plurality of first mounting holes 401 arranged along the circumferential direction, the second connecting ring 5 is provided with a plurality of second mounting holes 501 arranged along the circumferential direction, each first mounting hole 401 corresponds to each second mounting hole 501, and a bolt 6 and a locking nut 7 are arranged between the first mounting hole 401 and the corresponding second mounting hole 501, the bolt 6 and the locking nut 7 are threadedly connected, and the first connecting ring 4 and the second connecting ring 5 are detachably connected. The width of the outer rim 22 is greater than the width of the inner rim 21, and the inner side wall of the outer rim 22 covers the outer side wall of the inner rim 21.

[0024] The rim assembly 2 adopts a split design, the rim assembly 2 includes the inner rim 21 and the outer rim 22, the inner ends of the spokes 3 are detachably connected with the hub body 1, the outer ends of the spokes 3 are detachably connected with the inner rim 21, the inner rim 21 and the outer rim 22 are assembled together by the detachable connection of the first connecting ring 4 and the second connecting ring 5, the inner rim 21 and the outer rim 22 can be independently replaced based on the respective wear conditions, the entire hub does not need to be replaced at one time, the disassembly and assembly are relatively convenient, the maintenance cost is reduced, and the inner side wall of the outer rim 22 is spacedly covered on the outer side wall of the inner rim 21, the outer rim 22 protects the connection part between the outer ends of the spokes 3 and the inner rim 21, thereby effectively prolonging the service life of the hub.

[0025] Preferably, the opposite sides of the first connecting ring 4 and the second connecting ring 5 are in abutting fit, and at least one concave-convex structure 8 is arranged between the opposite sides of the first connecting ring 4 and the second connecting ring 5, the concave-convex structure 8 includes an outer convex part 81 and an inner concave part 82 in abutting fit, the outer convex part 81 is fixedly connected to the first connecting ring 4, and the inner concave part 82 is fixedly connected to the second connecting ring 5. In the process of assembling the inner rim 21 and the outer rim 22, the user can drive the outer rim 22 to rotate relative to the inner rim 21 until the outer convex part 81 corresponds to the inner concave part 82, each first mounting hole 401 corresponds to each second mounting hole 501, and the first connecting ring 4 and the second connecting ring 5 are close to each other, so that the corresponding outer convex part 81 is inserted into the inner concave part 82, the inner rim 21 and the outer rim 22 are assembled together in the correct position, the relative position of the inner rim 21 and the outer rim 22 is maintained, and the user can fix the first connecting ring 4 and the second connecting ring 5 by the bolt 6 and the locking nut, thereby completing the assembly of the rim assembly 2.

[0026] Preferably, the first end of the mounting sleeve 9 is formed with a driving sleeve 901 in the part penetrating the movable hole 201, the driving sleeve 901 is a square sleeve structure, the second end of the mounting sleeve 9 is formed with a driving end 902 in the part extending out of the movable hole 201, the driving end 902 is a screw cap structure, the user can take out the outer rim 22 to avoid the interference with the disassembly operation between the inner rim 21 and the spokes 3, the user can use a wrench tool to drive the driving sleeve 901 or the driving end 902 to rotate, so as to perform the disassembly operation between the outer end of the spoke 3 and the mounting sleeve 9.

[0027] Of course, the above is only a typical example of the present application, in addition to this, the present application can have other various specific embodiments, any technical solution formed by equivalent replacement or equivalent transformation falls within the scope of the present application.

Claims

1. A double-decked wheel hub, characterized by, The wheel hub body (1) includes a hub body (1), a rim assembly (2) and a plurality of spokes (3), the rim assembly (2) includes an inner rim (21) and an outer rim (22), the inner end of the spoke (3) is detachably connected between the hub body (1), the outer end of the spoke (3) is detachably connected between the inner rim (21), the outer side wall of the inner rim (21) is provided with a first connecting ring (4), the inner side wall of the outer rim (22) is provided with a second connecting ring (5), the first connecting ring (4) and the second connecting ring (5) are detachably connected, and the inner side wall of the outer rim (22) is spaced on the outer side wall of the inner rim (21).

2. A dual-layer wheel hub according to claim 1, wherein, A plurality of first mounting holes (401) are formed through the first connecting ring (4) and arranged in the circumferential direction, a plurality of second mounting holes (501) are formed through the second connecting ring (5) and arranged in the circumferential direction, each first mounting hole (401) corresponds to each second mounting hole (501), and a bolt (6) and a locking nut (7) are arranged between the first mounting hole (401) and the corresponding second mounting hole (501).

3. A dual-layer wheel hub according to claim 2, wherein, The opposite sides of the first connecting ring (4) and the second connecting ring (5) are in abutting fit, at least one convex-concave structure (8) is arranged between the opposite sides of the first connecting ring (4) and the second connecting ring (5), the convex-concave structure (8) includes an outer convex part (81) and an inner concave part (82) in abutting fit, the outer convex part (81) is fixedly connected to the first connecting ring (4), and the inner concave part (82) is fixedly connected to the second connecting ring (5); or the outer convex part (81) is fixedly connected to the second connecting ring (5), and the inner concave part (82) is fixedly connected to the first connecting ring (4).

4. The dual-layer wheel hub of claim 1, wherein, A connecting hole (101) is formed through the hub body (1) for the inner end of the spoke (3) to pass through, and a limiting part (301) is arranged on the part of the connecting hole (101) through which the inner end of the spoke (3) passes.

5. The dual-layer wheel hub of claim 1, wherein, An active hole (201) is formed through the inner rim (21) relative to the position of the outer end of the spoke (3), an installation sleeve (9) is inserted and rotationally connected to the active hole (201), and the outer end of the spoke (3) is inserted and bolted (6) to the inner wall of the installation sleeve (9).

6. A dual-layer hub as defined in claim 5, wherein, A driving sleeve (901) is formed on the part of the first end of the installation sleeve (9) passing through the active hole (201), and the driving sleeve (901) is a square sleeve structure.

7. A dual-layer wheel hub according to claim 6, wherein, A driving end (902) is formed on the part of the second end of the installation sleeve (9) protruding out of the active hole (201), and the driving end (902) is a nut structure.

8. The dual-layer wheel hub of claim 1, wherein, Each spoke (3) is uniformly distributed in the circumferential direction of the hub body (1) in a radial manner, and two adjacent spokes (3) are arranged in a cross and spaced manner.

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