Commercial vehicle hub with annular groove weight reduction structure

Abstract

The invention relates to the field of wheel hubs, and discloses an annular groove weight reduction structure commercial wheel hub which comprises a main body, a rim is arranged in the middle of an outer ring of the main body, a center weight reduction structure is arranged on an outer ring of the rim, edge weight reduction structures are arranged on the two sides of the outer ring of the main body, and bead seats are arranged on the sides, corresponding to the outer rings of the edge weight reduction structures, of the outer ring of the main body. An outer ring weight reduction groove is formed in the inner ring of the body, a supporting auxiliary installation assembly is arranged on the inner side of the body, and the center weight reduction structure comprises a groove opening and transverse reinforcing ribs. According to the commercial vehicle hub, through the multi-area collaborative weight reduction design of the center weight reduction structure, the edge weight reduction structure, the outer ring weight reduction grooves and the spoke weight reduction grooves, compared with a traditional commercial vehicle hub, the commercial vehicle hub has the advantages that the weight is greatly reduced; meanwhile, the transverse reinforcing ribs, the longitudinal reinforcing ribs and the triangular reinforcing ribs are correspondingly arranged in the weight reduction structures, so that the loss of the structural strength after weight reduction is effectively made up, the bending strength and the anti-fatigue life of the hub are guaranteed, and the use requirement of the heavy load working condition of the commercial vehicle is met.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of wheel hubs, in particular to a ring groove weight reduction structure commercial vehicle wheel hub. BACKGROUND

[0002] The hub is used to connect the blade and the main shaft, bear the load from the blade and transmit it to the main shaft, the hub is also called the wheel rim, according to the characteristics and needs of different vehicles, the hub surface treatment process will also take different ways, which can be roughly divided into baking and electroplating two kinds, the commercial vehicle hub as the core component of bearing the weight of the vehicle, transmitting driving force and braking force, its structure design directly affects the driving safety, fuel economy and service life of the vehicle.

[0003] The existing lightweight design of commercial vehicle hub adopts a single type of weight reduction groove structure, which has the following outstanding problems: the weight reduction structure is single, only the weight reduction groove is arranged in the local part of the hub, the weight reduction effect is limited, it is difficult to balance the demand of lightweight and structural strength, and deformation or fracture easily occurs under heavy load working condition; the existing weight reduction structure lacks targeted strengthening design, the fatigue resistance of the hub after weight reduction is greatly reduced, which cannot meet the demand of long-term high strength operation of commercial vehicle; the heat dissipation performance of the hub is cut off with the weight reduction design, most of the weight reduction structures do not consider the heat dissipation function, the large amount of heat generated during heavy braking of commercial vehicle cannot be quickly dissipated, which easily leads to high temperature of the hub, affecting the tire sealing performance and braking safety. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a ring groove weight reduction structure commercial vehicle hub to solve the problem that the existing lightweight design of commercial vehicle hub adopts a single type of weight reduction groove structure, which has the following outstanding problems: the weight reduction structure is single, only the weight reduction groove is arranged in the local part of the hub, the weight reduction effect is limited, it is difficult to balance the demand of lightweight and structural strength, and deformation or fracture easily occurs under heavy load working condition; the existing weight reduction structure lacks targeted strengthening design, the fatigue resistance of the hub after weight reduction is greatly reduced, which cannot meet the demand of long-term high strength operation of commercial vehicle; the heat dissipation performance of the hub is cut off with the weight reduction design, most of the weight reduction structures do not consider the heat dissipation function, the large amount of heat generated during heavy braking of commercial vehicle cannot be quickly dissipated, which easily leads to high temperature of the hub, affecting the tire sealing performance and braking safety.

[0005] To solve the above-mentioned problems, the present application is realized by the following technical scheme.

[0006] A ring groove weight reduction structure commercial vehicle hub, comprising: a main body, a rim is arranged in the middle of the outer circle of the main body, and a center weight reduction structure is arranged on the outer circle of the rim, edge weight reduction structures are arranged on both sides of the outer circle of the main body, tire bead seats are arranged on the outer circle of the main body corresponding to the edge weight reduction structures, an outer circle weight reduction groove is arranged in the inner circle of the main body, and a support auxiliary installation assembly is arranged on the inner side of the main body.

[0007] In an embodiment, the center weight-reducing structure comprises a groove opening and a transverse reinforcing rib, the groove opening is rectangular, and the groove opening gradually decreases in area from the outermost circle to the bottom of the rim slot.

[0008] In an embodiment, two transverse reinforcing ribs are arranged side by side in the groove opening, and the transverse reinforcing ribs are welded and fixed to the rim.

[0009] In an embodiment, the center weight-reducing structure is provided with no less than ten groups, and the multiple groups of center weight-reducing structures are arranged at equal intervals in a ring around the outer circle of the rim.

[0010] In an embodiment, the edge weight-reducing structure comprises a ring-shaped groove opening and a longitudinal reinforcing rib, the ring-shaped groove opening is arranged on both sides of the outer circle of the main body, no less than ten longitudinal reinforcing ribs are arranged at equal intervals in a ring in the ring-shaped groove opening, and the longitudinal reinforcing ribs are integrated with the main body by welding.

[0011] In an embodiment, the outer circle of the main body is provided with a heat dissipation groove beside the inner circle of the corresponding edge weight-reducing structure.

[0012] In an embodiment, the inner circle of the main body is trumpet-shaped, no less than three groups of outer circle weight-reducing grooves are arranged, and each group of outer circle weight-reducing grooves gradually decreases from the outside to the inside along the inner circle of the main body.

[0013] In an embodiment, the support auxiliary mounting assembly comprises a spoke, a weight-reducing groove, a triangular reinforcing rib, a reserved groove bottom, a mounting hole, and an air valve, the outer circle of the spoke is fixed to the inner side of the main body by welding, and the inside of the spoke is provided with a reserved groove bottom arranged at equal intervals in a ring.

[0014] In an embodiment, no less than five weight-reducing grooves are arranged at equal intervals in a ring on the side of the spoke close to the opening of the main body, the weight-reducing grooves are V-shaped, the weight-reducing grooves are provided with triangular reinforcing ribs, and the triangular reinforcing ribs are welded and fixed to the spoke.

[0015] In an embodiment, a mounting hole is arranged at equal intervals in a ring in the middle of the spoke, and an air valve is arranged beside the reserved groove bottom corresponding to the outer circle of the spoke.

[0016] The present application provides a ring-shaped groove weight-reducing structure commercial vehicle wheel hub.

[0017] Compared with a traditional commercial vehicle wheel hub, the multi-region coordinated weight reduction design of the center weight reduction structure, the edge weight reduction structure, the outer ring weight reduction groove and the spoke weight reduction groove realizes a substantial weight reduction; meanwhile, the corresponding setting of the transverse stiffening rib, the longitudinal stiffening rib and the triangular stiffening rib in each weight reduction structure effectively makes up for the loss of structural strength after weight reduction, guarantees the bending strength and fatigue life of the wheel hub, and meets the use requirements of the heavy-duty working condition of the commercial vehicle; the heat dissipation channel formed by the heat dissipation groove and each weight reduction groove and the reserved groove bottom substantially increases the heat dissipation area of the wheel hub, and simultaneously optimizes the airflow circulation path, so that the maximum temperature of the wheel hub during the heavy-duty braking of the commercial vehicle is reduced, the tire seal failure and the decline of the braking performance caused by high temperature are effectively avoided, and the driving safety is improved; the ring-shaped equidistant distribution design of the multiple center weight reduction structures and the edge weight reduction structures makes the stress of the wheel hub evenly dispersed in the circumferential direction, and avoids the deformation caused by excessive local stress; the horn-shaped design of the main inner ring cooperates with the gradually changing outer ring weight reduction groove, further optimizes the overall stress distribution of the wheel hub, and improves the load-bearing stability and service life of the wheel hub. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front side view three-dimensional structure schematic diagram of a ring groove weight reduction structure commercial vehicle wheel hub.

[0019] Figure 2 It is a rear side view three-dimensional structure schematic diagram of a ring groove weight reduction structure commercial vehicle wheel hub.

[0020] Figure 3 It is a front view plane structure schematic diagram of a ring groove weight reduction structure commercial vehicle wheel hub.

[0021] Figure 4 It is a ring groove weight reduction structure commercial vehicle wheel hub Figure 3 It is an enlarged structure schematic diagram of position A.

[0022] Figure 5 It is a side view plane structure schematic diagram of a ring groove weight reduction structure commercial vehicle wheel hub.

[0023] Figure 6 It is a rear view cross-section structure schematic diagram of a ring groove weight reduction structure commercial vehicle wheel hub.

[0024] Figure 7 It is a ring groove weight reduction structure commercial vehicle wheel hub Figure 6 It is an enlarged structure schematic diagram of position B.

[0025] The reference signs in the drawings are:

[0026] 1, main body; 2, rim; 3, center weight reduction structure; 301, groove opening; 302, transverse reinforcing rib; 4, edge weight reduction structure; 401, annular groove opening; 402, longitudinal reinforcing rib; 5, bead seat; 6, heat dissipation groove; 7, outer ring weight reduction groove; 8, support auxiliary installation assembly; 801, spoke; 802, weight reduction groove; 803, triangular reinforcing rib; 804, reserved groove bottom; 805, mounting hole; 806, valve. DETAILED DESCRIPTION

[0027] The application will be further described below in connection with specific embodiments, which should be understood as merely illustrative of the application and not limiting the scope of the application.

[0028] The embodiments of the present application will be described in detail with specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosure. The present application can also be implemented or applied by other different embodiments, and various modifications or changes can be made to the details in the specification without departing from the spirit of the present application.

[0029] REFERENCE Figures 1-7 An annular groove weight reduction structure commercial vehicle wheel hub, comprising: a main body 1, the outer ring of the main body 1 is provided with a rim 2, and the outer ring of the rim 2 is provided with a center weight reduction structure 3, the outer ring of the main body 1 is provided with an edge weight reduction structure 4 on both sides, and the outer ring of the main body 1 is provided with a bead seat 5 corresponding to the edge weight reduction structure 4 on the side, the inner ring of the main body 1 is provided with an outer ring weight reduction groove 7, and the inner side of the main body 1 is provided with a support auxiliary installation assembly 8.

[0030] The center weight reduction structure 3 comprises a groove opening 301 and a transverse reinforcing rib 302, the groove opening 301 is rectangular, and the groove opening 301 gradually decreases in area from the outermost ring to the bottom of the rim 2.

[0031] Two transverse reinforcing ribs 302 are arranged transversely in the groove opening 301, and the transverse reinforcing ribs 302 are welded and fixed with the rim 2.

[0032] The center weight reduction structure 3 is provided with not less than ten groups, and the multiple center weight reduction structures 3 are arranged in a ring shape at equal intervals around the outer ring of the rim 2.

[0033] The edge weight reduction structure 4 comprises an annular groove opening 401 and a longitudinal reinforcing rib 402, the annular groove opening 401 is arranged on both sides of the outer ring of the main body 1, and not less than ten longitudinal reinforcing ribs 402 are arranged in a ring shape at equal intervals in the annular groove opening 401, and the longitudinal reinforcing rib 402 is integrated with the main body 1 by welding.

[0034] The outer ring of the main body 1 is provided with a heat dissipation groove 6 corresponding to the inner ring of the edge weight reduction structure 4.

[0035] The inner ring of the main body 1 is trumpet-shaped, and the outer ring weight-reducing groove 7 is provided with not less than three groups, and each group of outer ring weight-reducing groove 7 gradually decreases from outside to inside along the inner ring of the main body 1.

[0036] The support auxiliary mounting assembly 8 includes a spoke 801, a weight-reducing groove 802, a triangular reinforcing rib 803, a reserved groove bottom 804, a mounting hole 805, and a valve 806. The outer ring of the spoke 801 is fixed to the inner side of the main body 1 by welding. The inside of the spoke 801 is annular and equidistantly provided with the reserved groove bottom 804.

[0037] The side of the spoke 801 close to the opening of the main body 1 is annular and equidistantly provided with not less than five weight-reducing grooves 802. The weight-reducing grooves 802 are V-shaped. The weight-reducing grooves 802 are provided with the triangular reinforcing rib 803. The triangular reinforcing rib 803 is welded and fixed to the spoke 801.

[0038] The middle part of the spoke 801 is annular and equidistantly provided with the mounting hole 805. The outer ring of the spoke 801 is provided with the valve 806 beside the reserved groove bottom 804.

[0039] During use, a rim 2 is located in the center of the outer ring of the main body 1. A central weight-reducing structure 3 is located on the outer ring of the rim 2. Edge weight-reducing structures 4 are located on both sides of the outer ring of the main body 1. A tire bead seat 5 is located on the side of the outer ring of the main body 1 corresponding to the edge weight-reducing structure 4. A heat dissipation groove 6 is opened on the side of the inner ring of the outer ring of the main body 1 corresponding to the edge weight-reducing structure 4. An outer ring weight-reducing groove 7 is opened on the inner ring of the main body 1. A support auxiliary installation component 8 is provided on the inner side of the main body 1. The central weight-reducing structure 3 includes a groove 301 and a transverse reinforcing rib 302. The groove 301 is rectangular, and the groove area of ​​the groove 301 gradually decreases from the outermost ring to the bottom of the rim 2. Two transverse reinforcing ribs are arranged side by side in the groove 301. The reinforcing ribs 302 are welded and fixed to the rim 2. The central weight-reducing structure 3 has no fewer than ten sets, and these sets are arranged in a ring at equal intervals around the outer ring of the rim 2. Through the design of the groove openings 301 with gradually varying areas, weight reduction can be maximized while ensuring the load-bearing strength of the rim 2. The transverse reinforcing ribs 302 effectively compensate for the strength loss of the rim 2 after the groove openings 301 are opened, avoiding localized stress concentration in the rim 2 due to weight reduction. The edge weight-reducing structure 4 includes an annular groove opening 401 and longitudinal reinforcing ribs 402. The annular groove opening 401 is opened on both sides of the outer ring of the main body 1, and no fewer than ten sets are arranged in a ring at equal intervals within the annular groove opening 401. Ten longitudinal reinforcing ribs 402 are welded to the main body 1 to form an integrated structure. The annular groove opening 401 can achieve uniform weight reduction on both sides of the outer ring of the main body 1. The longitudinal reinforcing ribs 402 distribute the radial load of the main body 1 along the annular direction to ensure the structural stability of the outer ring of the main body 1. The supporting auxiliary installation component 8 includes spokes 801, weight reduction grooves 802, triangular reinforcing ribs 803, reserved groove bottoms 804, mounting holes 805, and valve stems 806. The outer ring of the spokes 801 is welded to the inner side of the main body 1 to form a fixed structure. The reserved groove bottoms 804 are equidistantly opened in an annular shape inside the spokes 801. The spokes 801 are close to the opening of the main body 1. One side of the wheel has at least five V-shaped, equidistant, ring-shaped weight-reducing grooves 802. Triangular reinforcing ribs 803 are provided inside the weight-reducing grooves 802. The triangular reinforcing ribs 803 are welded and fixed to the spokes 801. The spokes 801 have mounting holes 805 that are equidistantly circumferential ...When the vehicle is running, the main body 1 bears the vertical load of the vehicle, the rim 2 transmits the load to the ground through the close fit of the tire and the bead seat 5, the tapered groove opening 301 of the center weight reduction structure 3 reduces the material usage of the rim 2 while the transverse reinforcing ribs 302 evenly distribute the circumferential load of the rim 2, the annular groove opening 401 of the edge weight reduction structure 4 realizes the lightweight of the outer ring of the main body 1 on both sides, and the longitudinal reinforcing ribs 402 resist the radial deformation of the main body 1, the tapered outer ring weight reduction groove 7 of the inner ring of the main body 1 reduces the material of the inner ring while ensuring the fit and load bearing of the axle head, the V-shaped weight reduction groove 802 in the area of the spoke 801 realizes local weight reduction, and the triangular reinforcing ribs 803 enhance the bending resistance of the spoke 801 to avoid the fracture of the spoke 801 when transmitting torque, the synergy of the multi-region weight reduction structure and the reinforcing structure realizes the balance between lightweight and high strength, and the large amount of heat generated during the braking of the commercial vehicle is transmitted to the hub, the heat dissipation groove 6 of the outer ring of the main body 1 forms an annular heat dissipation channel, the external airflow flows quickly along the heat dissipation groove 6 during the running of the vehicle, taking away part of the heat, at the same time, the airflow channel formed by the groove opening 301 of the center weight reduction structure 3, the annular groove opening 401 of the edge weight reduction structure 4 and the reserved groove bottom 804 of the spoke 801 further increases the heat dissipation area of the hub, speeds up the heat dissipation, reduces the working temperature of the hub, avoids the damage to the tire and the braking components caused by high temperature, the installation hole 805 in the middle of the spoke 801 can quickly fasten and connect the main body 1 with the axle head of the vehicle, the multiple equidistantly distributed installation holes 805 ensure the uniform stress of the connection, the reserved groove bottom 804 can be used to avoid the protruding structure on the side of the axle head, improve the installation adaptability, the air valve 806 is arranged beside the outer ring of the spoke 801 corresponding to the reserved groove bottom 804, which not only facilitates the tire inflation and tire pressure monitoring, but also avoids the interference of the air valve 806 with the force balance of the spoke 801, ensuring the stability of the hub when transmitting driving force and braking force, further, the inner ring of the main body 1 is trumpet-shaped, the outer ring weight reduction groove 7 is provided with not less than three groups, and each group of outer ring weight reduction groove 7 gradually decreases from outside to inside along the inner ring of the main body 1. The cooperation of the trumpet-shaped inner ring and the tapered outer ring weight reduction groove 7 can reduce the material usage of the inner ring of the main body 1 while ensuring the fit accuracy and load bearing stability of the main body 1 and the axle head.

[0040] Thus, although the present application has been described herein with respect to particular embodiments thereof, alterations, modifications and variations will occur to others skilled in the art upon the reading and understanding of the foregoing description. It is intended that the application be construed as including all such alterations, modifications and variations as fall within the scope of the appended claims. Accordingly, the application is not intended to be limited to the specific embodiments described in the specification illustrating one or more aspects of the application and as such, other embodiments of the application will be obvious to one skilled in the art from this disclosure. It is therefore intended that the application not be limited, to the extent that modifications and variations do not constitute departures from the spirit and essence of the application.

Claims

1. A commercial vehicle wheel hub with an annular groove weight-reduction structure, characterized in that, include: The main body (1) has a rim (2) in the middle of its outer ring, and a center weight reduction structure (3) on the outer ring of the rim (2). The outer ring of the main body (1) has edge weight reduction structures (4) on both sides. The outer ring of the main body (1) has a tire bead seat (5) on the side of the outer ring corresponding to the edge weight reduction structure (4). The inner ring of the main body (1) has an outer ring weight reduction groove (7), and the inner side of the main body (1) has a support auxiliary installation component (8).

2. The commercial vehicle wheel hub with an annular groove weight reduction structure according to claim 1, characterized in that, The central weight reduction structure (3) includes a groove (301) and a transverse reinforcing rib (302). The groove (301) is rectangular, and the area of ​​the groove (301) gradually decreases from the outermost ring to the bottom of the rim (2).

3. A commercial vehicle wheel hub with an annular groove weight reduction structure according to claim 2, characterized in that, Two transverse reinforcing ribs (302) are arranged side by side in the groove (301), and the transverse reinforcing ribs (302) are welded and fixed to the rim (2).

4. A commercial vehicle wheel hub with an annular groove weight reduction structure according to claim 3, characterized in that, The central weight reduction structure (3) is provided with no less than ten sets, and multiple sets of central weight reduction structures (3) are arranged in a ring at equal intervals around the outer ring of the wheel rim (2).

5. A commercial vehicle wheel hub with an annular groove weight reduction structure according to claim 1, characterized in that, The edge weight reduction structure (4) includes an annular groove opening (401) and longitudinal reinforcing ribs (402). The annular groove opening (401) is opened on both sides of the outer ring of the main body (1). The annular groove opening (401) has at least ten longitudinal reinforcing ribs (402) arranged in an annular shape at equal intervals. The longitudinal reinforcing ribs (402) are welded to the main body (1) to form an integrated structure.

6. The commercial vehicle wheel hub with an annular groove weight reduction structure according to claim 1, characterized in that, The outer ring of the main body (1) has a weight reduction structure (4) corresponding to the edge, and the inner ring has a heat dissipation groove (6) on the side.

7. A commercial vehicle wheel hub with an annular groove weight reduction structure according to claim 1, characterized in that, The inner ring of the main body (1) is trumpet-shaped, and the outer ring weight reduction groove (7) is provided with no less than three sets, and each set of outer ring weight reduction groove (7) gradually decreases from the outside to the inside along the inner ring of the main body (1).

8. A commercial vehicle wheel hub with an annular groove weight reduction structure according to claim 1, characterized in that, The supporting auxiliary installation component (8) includes a spoke (801), a weight-reducing groove (802), a triangular reinforcing rib (803), a reserved groove bottom (804), a mounting hole (805), and a valve stem (806). The outer ring of the spoke (801) is welded to the inner side of the main body (1) to form a fixed structure. The reserved groove bottom (804) is provided in a ring-shaped equidistant pattern inside the spoke (801).

9. A commercial vehicle wheel hub with an annular groove weight reduction structure according to claim 8, characterized in that, The spoke (801) has at least five weight-reducing grooves (802) arranged in a ring at equal intervals on the side near the opening of the main body (1). The weight-reducing grooves (802) are V-shaped and have triangular reinforcing ribs (803) inside. The triangular reinforcing ribs (803) are welded and fixed to the spoke (801).

10. A commercial vehicle wheel hub with an annular groove weight reduction structure according to claim 9, characterized in that, The spokes (801) have mounting holes (805) that are equidistantly spaced in a ring at the center, and valve stems (806) are provided on the side of the outer ring of the spokes (801) corresponding to the reserved groove bottom (804).

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