High-strength hub

Abstract

The high-strength hub comprises a rim, a fixing seat and a plurality of spoke sets, the fixing seat is located in the rim, a shaft hole and a plurality of positioning holes are formed in the fixing seat, the shaft hole and the rim are coaxially arranged, the positioning holes are evenly distributed along the axis of the shaft hole, and the spoke sets are arranged in the positioning holes. The spoke sets are fixed between the fixing base and the rim, each spoke set comprises a first spoke and a second spoke, the first spokes and the second spokes are arranged in a V shape, first reinforcing rods are fixedly connected between the middles of the first spokes and the inner wall of the rim, second reinforcing rods are fixedly connected between the middles of the first spokes and the second spokes, and the first reinforcing rods and the second reinforcing rods are arranged in a V shape. And third reinforcing rods are fixedly connected between the middles of the second spokes and the inner wall of the rim, the second reinforcing rods and the third reinforcing rods are located on the two sides of the second spokes correspondingly, and the purposes of improving the structural strength and reducing the stress concentration risk are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wheel hub, in particular to a high strength wheel hub. BACKGROUND

[0002] The only part of the automobile in contact with the road surface is the wheel. The wheel includes a wheel hub and a tire fixed to the outside of the wheel hub.

[0003] At present, the Chinese patent with the authorization announcement number CN220374188U discloses a multi-spoke aluminum wheel hub for automobile, which comprises a fixing seat, a spoke group and a rim. The fixing seat is located in the middle of the rim. One end of the spoke group is fixedly connected with the fixing seat, and the other end is fixedly connected with the inner wall of the rim. A fixing hole is formed in the fixing seat. A plurality of spoke groups are uniformly distributed along the shaft hole on the fixing seat. Each spoke group comprises a first spoke and a second spoke.

[0004] In this multi-spoke aluminum wheel hub for automobile, there is no connecting structure between the adjacent two spoke groups at the end of the spoke group close to the rim. When encountering a bumpy road condition, there is a risk of stress concentration at the connection between the spoke group and the rim. SUMMARY

[0005] Therefore, the utility model aims to provide a high strength wheel hub to improve the structural strength and reduce the risk of stress concentration.

[0006] In order to solve the above technical problems, the technical scheme of the utility model is as follows: a high strength wheel hub, which comprises a rim, a fixing seat and a plurality of spoke groups. The fixing seat is located inside the rim. A shaft hole and a plurality of positioning holes are formed in the fixing seat. The shaft hole is coaxially arranged with the rim. The plurality of positioning holes are uniformly arranged along the axis of the shaft hole. The spoke groups are fixed between the fixing seat and the rim. Each spoke group comprises a first spoke and a second spoke. The first spoke and the second spoke are arranged in a V shape. A first reinforcing rod is fixedly connected between the middle part of the first spoke and the inner wall of the rim. A second reinforcing rod is fixedly connected between the middle part of the first spoke and the second spoke. A third reinforcing rod is fixedly connected between the middle part of the second spoke and the inner wall of the rim. The second reinforcing rod and the third reinforcing rod are respectively located on the two sides of the second spoke.

[0007] The first reinforcing rod is arranged in an inclined manner, so that a triangular structure is formed among the first reinforcing rod, the first spoke and the rim. At the same time, the arrangement of the second reinforcing rod improves the structural strength between the first spoke and the second spoke. The third reinforcing rod is also arranged in an inclined manner, so that a triangular structure is formed among the third reinforcing rod, the second spoke and the rim. Therefore, the structural strength between the spoke group and the rim can be greatly improved, and the risk of stress concentration can be reduced.

[0008] As a preferred scheme of the utility model, the second reinforcing rod, the first spoke and the second spoke are fixedly connected with a reinforcing block, an inner recess is formed in the reinforcing block, a first inclined surface is formed between the inner recess and the first spoke, a second inclined surface is formed between the inner recess and the second reinforcing rod, and a third inclined surface is formed between the inner recess and the second spoke.

[0009] The above technical scheme is implemented, and the structural strength between the second reinforcing rod, the first spoke and the second spoke is further improved, so that the first spoke and the second spoke are less likely to break.

[0010] As a preferred scheme of the utility model, the first spoke is fixedly connected with a first protruding part on the side facing the first reinforcing rod, one end of the first protruding part is fixedly connected with the first reinforcing rod, and the other end of the first protruding part is fixedly connected with the inner wall of the rim.

[0011] The above technical scheme is implemented, and the connection structural strength between the first spoke and the rim is further improved.

[0012] As a preferred scheme of the utility model, the second spoke extends to have a second protruding part on the side facing the third reinforcing rod.

[0013] The above technical scheme is implemented, and the connection structural strength between the second spoke and the rim is further improved.

[0014] As a preferred scheme of the utility model, the first reinforcing rod is provided with a first weight-reducing recess on the side facing the center of the rim, the first spoke is provided with a second weight-reducing recess on the side facing the center of the rim, the second reinforcing rod is provided with a third weight-reducing recess on the side facing the center of the rim, the second spoke and the third reinforcing rod are provided with a fourth weight-reducing recess on the side facing the center of the rim, and the first weight-reducing recess, the second weight-reducing recess, the third weight-reducing recess and the fourth weight-reducing recess are communicated.

[0015] The above technical scheme is implemented, and the overall quality is reduced, and the rotational inertia of the hub is reduced.

[0016] As a preferred scheme of the utility model, the fixing seat is provided with a fifth weight-reducing recess on the side facing the center of the rim, and the fifth weight-reducing recesses and the positioning holes are arranged at intervals.

[0017] The above technical scheme is implemented, and the overall quality is further reduced, and the rotational inertia of the hub is reduced.

[0018] As a preferred scheme of the utility model, the inner wall of the shaft hole is provided with an annular groove, an arc-shaped pressing plate is arranged in the annular groove, a sliding groove in communication with the annular groove is formed in the inner wall of the fifth lightening groove, a pressing rod connected with the arc-shaped pressing plate is slidably connected in the sliding groove, a connecting rod is slidably connected to the inner wall of the fifth lightening groove, a first connecting inclined surface is formed in the connecting rod, a second connecting inclined surface in abutment with the first connecting inclined surface is formed in the pressing rod, and the end of the connecting rod away from the pressing rod is used to abut against the shaft head flange.

[0019] The above technical scheme is realized, the hub cover is embedded in the shaft hole, when the hub is installed, the connecting rod abuts against the shaft head flange, the conduction of the first connecting inclined surface and the second connecting inclined surface makes the pressing rod drive the arc-shaped pressing plate to move along the length direction of the sliding groove, the arc-shaped pressing plate abuts against the hub cover, the problem of hub cover falling off under bumpy road conditions is avoided, the structural strength of the hub cover is improved, and the effect of preventing stealing is also achieved.

[0020] As a preferred scheme of the utility model, the pressing rod is provided with a sliding hole along the length direction of the pressing rod, a sliding rod slidably connected in the sliding hole is fixedly connected to the arc-shaped pressing plate, and an elastic member is connected between the sliding rod and the inner wall of the sliding hole.

[0021] The above technical scheme is realized, the pressing rod moves along the sliding groove to the direction close to the arc-shaped pressing plate, the elastic member is compressed to generate elastic force, the arc-shaped pressing plate generates extrusion force on the hub cover through the action of the elastic force, and the hub cover is not broken due to the excessive pressure of the arc-shaped pressing plate on the hub cover because of the buffering action of the elastic member. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is an external structure schematic view of the utility model;

[0023] Figure 2 It is a structure schematic view of the fifth lightening groove;

[0024] Figure 3 It is Figure 2 the enlarged view of A;

[0025] Figure 4 It is a cross-sectional view of the pressing rod.

[0026] Reference signs: 1, rim; 2, fixed seat; 3, shaft hole; 4, positioning hole; 5, spoke group; 6, first spoke; 7, second spoke; 8, first reinforcing rod; 9, second reinforcing rod; 10, third reinforcing rod; 11, reinforcing block; 12, first inclined surface; 13, second inclined surface; 14, third inclined surface; 15, first convex part; 16, second convex part; 17, first weight-reducing groove; 18, second weight-reducing groove; 19, third weight-reducing groove; 20, fourth weight-reducing groove; 21, fifth weight-reducing groove; 22, annular groove; 23, arc-shaped pressing plate; 24, sliding groove; 25, connecting rod; 26, first connecting inclined surface; 27, pressing rod; 28, second connecting inclined surface; 29, sliding hole; 30, sliding rod; 31, elastic piece. DETAILED DESCRIPTION

[0027] The specific embodiments of the utility model are further described in detail below in combination with the drawings, so that the technical scheme of the utility model is easier to understand and master.

[0028] A high-strength hub comprises a rim 1, a fixed seat 2 and five spoke groups 5.

[0029] The fixed seat 2 is located inside the rim 1, and a shaft hole 3 and five positioning holes 4 are formed in the fixed seat 2, the shaft hole 3 is coaxially arranged with the rim 1, and the five positioning holes 4 are evenly arranged along the axis of the shaft hole 3. The spoke groups 5 are fixed between the fixed seat 2 and the rim 1, and the five spoke groups 5 are evenly distributed along the axis of the shaft hole 3. Each spoke group 5 comprises a first spoke 6 and a second spoke 7.

[0030] The first spoke 6 and the second spoke 7 are arranged in a V shape. A first reinforcing rod 8 is fixedly connected between the middle of the first spoke 6 and the inner wall of the rim 1, and the cross section of the first reinforcing rod 8 is triangular. A second reinforcing rod 9 is fixedly connected between the middle of the first spoke 6 and the second spoke 7. A third reinforcing rod 10 is fixedly connected between the middle of the second spoke 7 and the inner wall of the rim 1, and the cross section of the third reinforcing rod 10 is also triangular. The second reinforcing rod 9 and the third reinforcing rod 10 are respectively located on the two sides of the second spoke 7.

[0031] The second reinforcing rod 9, the first spoke 6 and the second spoke 7 are fixedly connected with a reinforcing block 11. A recess is formed in the center of the reinforcing block 11, a first inclined surface 12 is formed between the recess and the first spoke 6, a second inclined surface 13 is formed between the recess and the second reinforcing rod 9, and a third inclined surface 14 is formed between the recess and the second spoke 7.

[0032] Through the arrangement of the second inclined surface 13, the cross section of the second reinforcing rod 9 is also triangular, so as to greatly improve the structural strength between the first spoke 6 and the second spoke 7.

[0033] A strip-shaped first protrusion 15 is integrally connected to the side of the first spoke 6 facing the first reinforcing rod 8. One end of the first protrusion 15 is fixedly connected to the first reinforcing rod 8, and the other end of the first protrusion 15 is fixedly connected to the inner wall of the rim 1. A strip-shaped second protrusion 16 is integrally connected to the side of the second spoke 7 facing the third reinforcing rod 10.

[0034] A first weight-reducing groove 17 is formed on the side of the first reinforcing rod 8 facing the center of the rim 1. A second weight-reducing groove 18 is formed on the side of the first spoke 6 facing the center of the rim 1. A third weight-reducing groove 19 is formed on the side of the second reinforcing rod 9 facing the center of the rim 1. A fourth weight-reducing groove 20 is formed at the connection point of the second spoke 7 and the third reinforcing rod 10 facing the center of the rim 1. The first weight-reducing groove 17, the second weight-reducing groove 18, the third weight-reducing groove 19, and the fourth weight-reducing groove 20 are connected, which reduces the difficulty of manufacturing and reduces the overall weight of the wheel hub.

[0035] A fifth weight-reducing groove 21 is provided on the side of the fixed seat 2 facing the center of the rim 1. The five fifth weight-reducing grooves 21 are arranged at intervals with the five positioning holes 4, and the five fifth weight-reducing grooves 21 are evenly distributed along the axis of the shaft hole 3.

[0036] An annular groove 22 is formed on the inner wall of the shaft hole 3, and the axis of the annular groove 22 is coaxial with the axis of the shaft hole 3. An arc-shaped pressure plate 23 is provided in the annular groove 22, and five arc-shaped pressure plates 23 are evenly distributed along the axis of the annular groove 22.

[0037] A groove 24 communicating with an annular groove 22 is formed on the inner wall of the fifth weight-reducing groove 21. The length direction of the groove 24 is parallel to the radial direction of the shaft hole 3. The cross-section of the groove 24 is square. A pressure rod 27 connected to the arc-shaped pressure plate 23 is slidably connected inside the groove 24.

[0038] A connecting rod 25 is slidably connected to the inner wall of the fifth weight-reducing groove 21, and the sliding direction of the connecting rod 25 is parallel to the axial direction of the shaft hole 3. A first connecting slope 26 is provided at the end of the connecting rod 25, and a second connecting slope 28 is provided at the end of the pressure rod 27 away from the arc-shaped pressure plate 23, which abuts against the first connecting slope 26. The end of the connecting rod 25 away from the pressure rod 27 is used to abut against the shaft head flange.

[0039] The pressure rod 27 has a sliding hole 29 at one end facing the arc-shaped pressure plate 23 along its length. A sliding rod 30 is fixedly connected to the outer wall of the arc-shaped pressure plate 23 and slidably connected within the sliding hole 29. The sliding rod 30 has a square cross-section. An elastic element 31, which is a spring, connects the sliding rod 30 to the inner wall of the sliding hole 29.

[0040] Of course, the above are just typical examples of this utility model. In addition, this utility model may have many other specific implementation methods. All technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of protection claimed by this utility model.

Claims

1. A high-strength wheel hub, comprising a rim (1), a mounting base (2), and multiple spoke groups (5), wherein the mounting base (2) is located inside the rim (1), the mounting base (2) has an axle hole (3) and multiple positioning holes (4), the axle hole (3) is coaxially arranged with the rim (1), the multiple positioning holes (4) are evenly arranged along the axis of the axle hole (3), the spoke groups (5) are fixed between the mounting base (2) and the rim (1), each spoke group (5) includes a first spoke (6) and a second spoke (7), characterized in that: The first spoke (6) and the second spoke (7) are arranged in a V-shape. A first reinforcing rod (8) is fixedly connected between the middle part of the first spoke (6) and the inner wall of the rim (1). A second reinforcing rod (9) is fixedly connected between the middle part of the first spoke (6) and the second spoke (7). A third reinforcing rod (10) is fixedly connected between the middle part of the second spoke (7) and the inner wall of the rim (1). The second reinforcing rod (9) and the third reinforcing rod (10) are located on both sides of the second spoke (7).

2. A high-strength wheel hub according to claim 1, characterized in that: A reinforcing block (11) is fixedly connected between the second reinforcing rod (9), the first spoke (6), and the second spoke (7). The reinforcing block (11) has a recessed area. A first inclined surface (12) is formed between the recessed area and the first spoke (6). A second inclined surface (13) is formed between the recessed area and the second reinforcing rod (9). A third inclined surface (14) is formed between the recessed area and the second spoke (7).

3. A high-strength wheel hub according to claim 1, characterized in that: The first spoke (6) is fixedly connected to a first protrusion (15) on the side facing the first reinforcing rod (8). One end of the first protrusion (15) is fixedly connected to the first reinforcing rod (8), and the other end of the first protrusion (15) is fixedly connected to the inner wall of the rim (1).

4. A high-strength wheel hub according to claim 1, characterized in that: The second spoke (7) extends toward the side of the third reinforcing bar (10) and has a second protrusion (16).

5. A high-strength wheel hub according to claim 1, characterized in that: The first reinforcing rod (8) has a first weight-reducing groove (17) on the side facing the center of the rim (1), the first spoke (6) has a second weight-reducing groove (18) on the side facing the center of the rim (1), the second reinforcing rod (9) has a third weight-reducing groove (19) on the side facing the center of the rim (1), and the connection between the second spoke (7) and the third reinforcing rod (10) has a fourth weight-reducing groove (20) on the side facing the center of the rim (1). The first weight-reducing groove (17), the second weight-reducing groove (18), the third weight-reducing groove (19), and the fourth weight-reducing groove (20) are connected.

6. A high-strength wheel hub according to claim 1, characterized in that: The fixed seat (2) has a fifth weight-reducing groove (21) on the side facing the center of the rim (1), and multiple fifth weight-reducing grooves (21) are arranged at intervals with multiple positioning holes (4).

7. A high-strength wheel hub according to claim 6, characterized in that: An annular groove (22) is provided on the inner wall of the shaft hole (3). An arc-shaped pressure plate (23) is provided in the annular groove (22). A sliding groove (24) communicating with the annular groove (22) is provided on the inner wall of the fifth weight-reducing groove (21). A pressure rod (27) connected to the arc-shaped pressure plate (23) is slidably connected in the sliding groove (24). A connecting rod (25) is slidably connected on the inner wall of the fifth weight-reducing groove (21). A first connecting inclined surface (26) is provided on the connecting rod (25). A second connecting inclined surface (28) abutting against the first connecting inclined surface (26) is provided on the pressure rod (27). The end of the connecting rod (25) away from the pressure rod (27) is used to abut against the shaft head flange.

8. A high-strength wheel hub according to claim 7, characterized in that: The pressure rod (27) has a sliding hole (29) along its length direction. The arc-shaped pressure plate (23) is fixedly connected to a sliding rod (30) that is slidably connected in the sliding hole (29). An elastic element (31) is connected between the sliding rod (30) and the inner wall of the sliding hole (29).

Images