Hard rubber and aluminum alloy anti-collision beam

Abstract

The utility model relates to the technical field of anti-collision beams, in particular to a hard rubber and aluminum alloy anti-collision beam, which comprises an aluminum alloy anti-collision beam support and hard rubber, and the aluminum alloy anti-collision beam support comprises a mounting surface, a mounting hole, an annular surface, a main support, an auxiliary support and an outer support. The hard rubber and aluminum alloy anti-collision beam is reasonable in structural design, the hard rubber deforms to absorb energy and can restore the original shape during small-force collision, the supporting structures sequentially participate in deformation to absorb momentum during large-force collision, and the hard rubber and aluminum alloy anti-collision beam is convenient to install and maintain and high in reliability. The energy absorption effect and the impact resistance of the anti-collision beam are effectively improved, and the safety of vehicles and passengers is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-collision beams, in particular to a hard rubber and aluminum alloy anti-collision beam. Background Art

[0002] There are many types of anti-collision beams at present, and most of them have complex structures. Aluminum alloy anti-collision beams are the current mainstream form. Most of them are closed cavity structures, or use springs and other materials to assist in absorbing kinetic energy. The structure is complex. Therefore, we have launched a new hard rubber and aluminum alloy anti-collision beam. Utility Model Content

[0003] The main purpose of the utility model is to provide a hard rubber and aluminum alloy anti-collision beam, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A hard rubber and aluminum alloy anti-collision beam comprises an aluminum alloy anti-collision beam support and hard rubber. The aluminum alloy anti-collision beam support comprises a mounting surface, a mounting hole, a circular surface, a main support, a secondary support and an outer support.

[0006] Preferably, the aluminum alloy anti-collision beam support is formed by forward hot extrusion.

[0007] By adopting the above technical solution: through forward hot extrusion forming, the aluminum alloy anti-collision beam support can have good structural strength and stability. This forming method can make the internal structure of the material denser, and improve the bearing capacity and impact resistance of the support.

[0008] Preferably, the hard rubber and the annular surface are in contact with each other without gaps, and an interference fit is adopted after shrink fitting.

[0009] By adopting the above technical solution: ensuring that the connection between the hard rubber and the aluminum alloy anti-collision beam support is tight and reliable, the seamless contact can prevent relative displacement between the hard rubber and the support during a collision, thereby improving the overall performance of the anti-collision beam.

[0010] Preferably, the main support and the secondary support form an angle of 45°.

[0011] By adopting the above technical solution: this angle design can enable the main support and the secondary support to work together better when bearing impact force, improve the bending and torsional performance of the anti-collision beam, and the 45° angle can make the support structure have better load-bearing capacity in all directions, effectively disperse the impact force, and protect the safety of the vehicle and passengers.

[0012] Preferably, the external supports are perpendicular to the mounting surface, and are symmetrically distributed on both sides of the main support, with three on each side.

[0013] By adopting the above technical solution: the external support perpendicular to the installation surface can provide additional supporting force and enhance the stability of the anti-collision beam. The design symmetrically distributed on both sides of the main support can make the anti-collision beam more evenly stressed when impacted, avoiding local stress concentration. The setting of three external supports on one side can further improve the strength and rigidity of the anti-collision beam and improve its impact resistance.

[0014] Preferably, the hard rubber includes a striking surface and an inner arc.

[0015] By adopting the above technical solution: the impact surface can directly bear the impact force, the hard rubber material can absorb part of the energy through deformation, reducing the impact force transmitted to the vehicle structure, and the inner arc design can make the hard rubber better cooperate with the circular surface of the aluminum alloy anti-collision beam support, increasing the stability and reliability of the connection.

[0016] Preferably, the gap between the outer support and the hard rubber is 0.5-1 mm.

[0017] By adopting the above technical solution: the appropriate gap can allow the hard rubber to have a certain deformation space when it is hit, avoiding excessive restriction of the hard rubber by the external support, so as to better play the energy absorption role of the hard rubber.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. In the present invention, the anti-collision beam is composed of an aluminum alloy anti-collision beam support and hard rubber. The aluminum alloy anti-collision beam support is formed by forward hot extrusion. Combined with the specific angle between the main support and the auxiliary support, the reasonable distribution of the outer support and the clever cooperation with the hard rubber, the anti-collision beam can play a good protective role under different impact forces. When the impact is small, the hard rubber deforms to absorb energy and can return to its original shape. When the impact is large, each support structure participates in the deformation and absorbs momentum in turn, which greatly improves the energy absorption effect and impact resistance of the anti-collision beam. At the same time, the structural design makes the anti-collision beam have a higher structural strength, which can effectively withstand the impact force and ensure the safety of the vehicle and passengers.

[0020] 2. In the present invention, the overall structural design of the anti-collision beam is simple. The hard rubber is treated in boiling hot water before installation and then has an interference fit with the aluminum alloy anti-collision beam support. During installation, it can be fixed to the longitudinal beam of the vehicle body using bolts through the mounting holes on the mounting surface. The assembly is convenient and quick. Moreover, this design is also easier to operate when maintenance or replacement of parts is required, reducing the cost of use and the difficulty of maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of a hard rubber and aluminum alloy anti-collision beam of the utility model;

[0022] Figure 2 This is a schematic diagram of the overall structure of an aluminum alloy anti-collision beam support of a hard rubber and aluminum alloy anti-collision beam of the utility model;

[0023] Figure 3 This is a schematic diagram of the combined connection structure of the main support, secondary support and outer support of a hard rubber and aluminum alloy anti-collision beam of the utility model.

[0024] In the figure: 10, aluminum alloy anti-collision beam support; 11, mounting surface; 12, mounting hole; 3, annular surface; 14, main support; 15, secondary support; 16, outer support; 20, hard rubber; 21, impact surface; 22, inner arc. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0028] See also Figure 1-3 , the utility model provides a technical solution:

[0029] A hard rubber and aluminum alloy anti-collision beam includes an aluminum alloy anti-collision beam support 10 and hard rubber 20. The aluminum alloy anti-collision beam support 10 includes a mounting surface 11, a mounting hole 12, a circular surface 13, a main support 14, a secondary support 15 and an outer support 16.

[0030] In this embodiment, the aluminum alloy anti-collision beam support 10 is formed by forward hot extrusion, the contact between the hard rubber 20 and the annular surface 13 is seamless, and an interference fit is adopted after hot installation. The main support 14 and the auxiliary support 15 are at a 45° angle, and the outer support 16 is perpendicular to the mounting surface 11. The outer supports 16 are symmetrically distributed on both sides of the main support 14, with 3 on each side. The hard rubber 20 includes a contact surface 21 and an inner arc 22. The gap between the outer support 16 and the hard rubber 20 is 0.5-1mm.

[0031] Through the above scheme: the rubber and aluminum alloy anti-collision beam is mainly composed of an aluminum alloy anti-collision beam support 10 and a hard rubber 20. The aluminum alloy anti-collision beam support 10 is formed by forward hot extrusion to ensure its structural strength and stability. The inner arc 22 of the hard rubber 20 and the annular surface 13 of the aluminum alloy anti-collision beam support 10 adopt an interference fit after hot installation, so that the two are tightly connected without gaps. The main support 14 and the auxiliary support 15 are at a 45° angle. The outer support 16 is perpendicular to the installation surface 11 and is symmetrically distributed on both sides of the main support 14, with three on each side, providing a stable support structure for the anti-collision beam. The outer support 16 maintains a gap of 0.5-1mm with the hard rubber 20, allowing the hard rubber 20 to have a certain deformation space when it is hit. The contact surface 21 of the hard rubber 20 directly bears the impact force and absorbs part of the energy through its own deformation. When the impact force is large, the main support 14, auxiliary support 15 and outer support 16 of the aluminum alloy anti-collision beam support 10 will successively participate in deformation and absorb momentum. The forward hot extrusion molding of the aluminum alloy anti-collision beam support 10 and the reasonable support structure design make the anti-collision beam have a higher structural strength and can effectively withstand the impact force. The interference fit between the hard rubber 20 and the annular surface 13 ensures the tightness of the connection to prevent loosening or separation during the collision. The contact surface 21 of the hard rubber 20 can absorb energy by deformation and restore to its original state during a small force impact. During a large force impact, it cooperates with the various support structures of the aluminum alloy anti-collision beam support 10 to absorb momentum and improve the energy absorption effect of the anti-collision beam. The symmetrical distribution and reasonable design of the outer support 16, as well as the gap setting with the hard rubber 20, ensure the stability of the anti-collision beam during use.

[0032] It should be noted that the present invention is a hard rubber and aluminum alloy anti-collision beam. During use, the anti-collision beam is mainly composed of an aluminum alloy anti-collision beam support 10 and a hard rubber 20. The aluminum alloy anti-collision beam support 10 is formed by forward hot extrusion and includes a mounting surface 11, a mounting hole 12, a circular surface 13, a main support 14, a secondary support 15 and an outer support 16. Among them, the main support 14 and the secondary support 15 are at an angle of 45°, the outer support 16 is perpendicular to the mounting surface 11 and is symmetrically distributed on both sides of the main support 14, with three on each side. The outer diameter of the circular surface 13 is 200±0.2mm, the diameter of the holes on both sides of the mounting surface 11 is 5±0.2mm, and the hard rubber 20 adopts SB R model, the diameter of the inner arc 22 is 199.5-199.8mm. Before installation, boil the hard rubber 20 in boiling water for 20 minutes, and then insert it into the annular surface 13 of the aluminum alloy anti-collision beam support 10. After cooling, the two are interference fit, and the gap between the outer support 16 and the hard rubber 20 is 0.5-1mm. When subjected to a small force impact, the hard rubber 20 absorbs energy through deformation and can return to its original shape after the impact force disappears. When subjected to a larger impact force, the main support 14, auxiliary support 15 and outer support 16 of the aluminum alloy anti-collision beam support 10 will respectively participate in the deformation and absorb momentum. Finally, the anti-collision beam is fixed to the longitudinal beam of the vehicle body with bolts through the mounting hole 12 of the mounting surface 11.

[0033] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A hard rubber and aluminum alloy anti-collision beam, comprising an aluminum alloy anti-collision beam support (10) and hard rubber (20), wherein the aluminum alloy anti-collision beam support (10) comprises a mounting surface (11), a mounting hole (12), a circular surface (13), a main support (14), a secondary support (15) and an outer support (16).

2. The hard rubber and aluminum alloy anti-collision beam according to claim 1, characterized in that: The aluminum alloy anti-collision beam support (10) is formed by forward hot extrusion.

3. The hard rubber and aluminum alloy anti-collision beam according to claim 1, characterized in that: The hard rubber (20) and the annular surface (13) are in contact with each other without any gap, and an interference fit is adopted after heat-fitting.

4. The hard rubber and aluminum alloy anti-collision beam according to claim 1, characterized in that: The main support (14) and the secondary support (15) form an angle of 45°.

5. The hard rubber and aluminum alloy anti-collision beam according to claim 1, characterized in that: The outer supports (16) are perpendicular to the mounting surface (11), and the outer supports (16) are symmetrically distributed on both sides of the main support (14), with three on each side.

6. The hard rubber and aluminum alloy anti-collision beam according to claim 1, characterized in that: The hard rubber (20) includes a striking surface (21) and an inner arc (22).

7. The hard rubber and aluminum alloy anti-collision beam according to claim 1, characterized in that: The gap between the outer support (16) and the hard rubber (20) is 0.5-1 mm.

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