An impact-resistant aluminum profile and a bumper using the same

Abstract

The application relates to the technical field of aluminum profiles, and discloses an impact-resistant aluminum profile, which comprises a profile body, a reinforcing plate and a protective cover are arranged on the side of the profile body, the protective cover is wrapped outside the reinforcing plate, a buffer cavity is formed between the protective cover and the reinforcing plate, and an impact-resistant piece is arranged in the buffer cavity; the section of the protective cover is U-shaped, the inner walls of the two sides of the U-shaped protective cover are both provided with fixing plates, the reinforcing plate has a gap with the fixing plates, and a supporting plate is arranged on the side of the reinforcing plate close to the fixing plate, and the supporting plate is connected with the fixing plate. The impact-resistant aluminum profile can resist external impact force, effectively weaken the impact force through multiple counteractions of the external impact force, improve the impact resistance of the aluminum profile, and then improve the overall strength and the use safety.

Description

Technical Field

[0001] This invention relates to the field of aluminum profile technology, specifically to an impact-resistant aluminum profile and its application in bumpers. Background Technology

[0002] Aluminum profiles are widely used in daily life, including in aviation, aerospace, automotive, machinery manufacturing, shipbuilding, construction, decoration, and chemical industries. With the rapid development of the aluminum profile industry, leading aluminum profile manufacturers are increasingly focusing on market research, particularly in-depth research into the changing business environment and customer needs.

[0003] Due to its lightweight, high strength, and ease of processing, aluminum profiles are now widely used in automobile manufacturing, such as in shock absorbers, suspensions, and bumpers. However, most current automotive aluminum profiles feature simple structural designs, and relying solely on the inherent properties of the profiles themselves is no longer sufficient to meet the growing demands. This is especially true for automotive aluminum profile bumpers, which exhibit poor impact resistance, struggle to absorb impact forces during collisions, have low overall strength, and require improved safety performance. Summary of the Invention

[0004] To address the technical problems existing in the background art, the present invention proposes an impact-resistant aluminum profile and its application in bumpers.

[0005] The present invention proposes an impact-resistant aluminum profile, comprising a profile body, a reinforcing plate and a protective cover installed on the side of the profile body, the protective cover covering the outside of the reinforcing plate, and a buffer cavity formed between the protective cover and the reinforcing plate, wherein an impact-resistant component is installed in the buffer cavity.

[0006] The protective cover has a U-shaped cross-section, with fixed plates installed on both inner walls of the U-shape. There is a gap between the reinforcing plate and the fixed plate, and a support plate is installed on the side of the reinforcing plate near the fixed plate. The support plate is connected to the fixed plate.

[0007] As a further optimization of the present invention, a buffer mechanism is provided in the gap between the reinforcing plate and the fixed plate. When the reinforcing plate is subjected to an impact force and transmits the impact force to the support plate, the impact force is buffered by the buffer mechanism.

[0008] As a further optimization of the present invention, the buffer mechanism includes a movable rod and an elastic element. One end of the movable rod is mounted on the support plate, and the other end of the movable rod is slidably inserted into the profile body. The elastic element is fitted on the outer periphery of the movable rod, and the impact force is buffered by the elastic deformation of the elastic element.

[0009] As a further optimization of the present invention, there are multiple support plates that are evenly distributed along the length of the movable rod. One end of the movable rod is fixedly connected to the support plate on the side away from the profile body, and the other end of the movable rod slides through multiple support plates in sequence and slides into the profile body.

[0010] As a further optimization of the present invention, a cavity corresponding to the movable rod is installed inside the profile body. A shock absorber is installed in the cavity. The end of the movable rod away from the support plate slides into the cavity. The two ends of the shock absorber are connected to the side wall of the cavity and the end face of the movable rod, respectively.

[0011] As a further optimization of the present invention, a buffer is installed on the side of the impact-resistant member, and the buffer is filled in the opening between the reinforcing plate and the fixed plate and abuts against the support plate.

[0012] As a further optimization of the present invention, the U-shaped bottom of the protective cover is an outwardly convex arch, and the impact-resistant component is made of an elastic soft material and is filled in the inner cavity of the U-shaped bottom of the protective cover.

[0013] As a further optimization of the present invention, the connection between the U-shaped bottom and the U-shaped side of the protective cover is rounded, and a protective strip is installed on the inner wall of the rounded corner. One side of the protective strip is fixedly connected to the fixing plate, and the other side of the protective strip is in close contact with the impact-resistant component.

[0014] A bumper includes a bumper body with extensions at both ends. Both the bumper body and the extensions are made of the aforementioned impact-resistant aluminum profile. The bumper body is mounted on the vehicle body via a connecting block, and the extensions are connected to the vehicle body via a connecting rod.

[0015] As a further optimization of the present invention, the cross-section of the extension is a fan-shaped ring, the connecting rod is Y-shaped, the two ends of the upper part of the Y-shape are fixedly connected to the inner wall of the extension and the inner side of the bumper body, respectively, and the lower end of the Y-shape is fixedly connected to the vehicle body.

[0016] The impact-resistant aluminum profile and its application in bumpers proposed in this invention have the following beneficial effects:

[0017] (I) The impact-resistant aluminum profile proposed in this invention, by installing a reinforcing plate and a protective cover on the side of the profile body, and by using the protective cover to cover the reinforcing plate and the filling of the impact-resistant component, can resist external impact force. The impact force acts on the protective cover and is transmitted to the impact-resistant component. The deformation of the impact-resistant component initially offsets the impact force. After the impact-resistant component absorbs the impact force to saturation, the impact force acts on the reinforcing plate. The high-strength structure of the reinforcing plate resists the impact force, while the residual impact force is transmitted to the support plate. When the support plate absorbs the impact force to saturation, the support plate deforms and drives the buffer mechanism to act, thereby fully offsetting the residual impact force. Through multiple offsetting of external impact force, the impact force can be effectively weakened, thereby improving the impact resistance of the aluminum profile, thereby improving the overall strength and improving the safety performance in use.

[0018] (II) The bumper proposed in this invention is made of impact-resistant aluminum profile to make the bumper body and extension, which can improve the impact resistance of the bumper body and extension. The bumper is then installed on the vehicle body through connecting blocks and connecting rods. The Y-shaped structure of the connecting rod, combined with the arc surface design of the extension, can improve the impact resistance of the front and rear sides of the vehicle body, thereby improving the impact resistance of the vehicle body.

[0019] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the aluminum profile structure of the present invention;

[0021] Figure 2 This is a schematic diagram of the bumper structure of the present invention.

[0022] Attached drawings: 1. Profile body; 101. Bumper body; 102. Extension; 103. Vehicle body; 2. Reinforcing plate; 3. Protective cover; 4. Impact-resistant component; 5. Fixing plate; 6. Support plate; 7. Movable rod; 8. Elastic component; 9. Shock absorber; 10. Buffer component; 11. Protective strip; 12. Buffer pad; 13. Reinforcing rib; 14. Connecting block; 15. Connecting rod. Detailed Implementation

[0023] Embodiments of the present invention are described in detail below. Examples of these embodiments are illustrated in the accompanying drawings, wherein the same or similar symbols denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0024] It should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention.

[0025] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0026] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0027] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0028] Please see Figure 1 An impact-resistant aluminum profile includes a profile body 1, a reinforcing plate 2 and a protective cover 3 installed on the side of the profile body 1, the protective cover 3 covering the outside of the reinforcing plate 2, and a buffer cavity is formed between the protective cover 3 and the reinforcing plate 2, and an impact-resistant component 4 is installed in the buffer cavity.

[0029] The protective cover 3 has a U-shaped cross section. Fixing plates 5 are installed on both inner walls of the U-shape. There is a gap between the reinforcing plate 2 and the fixing plate 5. A support plate 6 is installed on the side of the reinforcing plate 2 near the fixing plate 5. The support plate 6 is connected to the fixing plate 5. The reinforcing plate 2 resists the transmitted impact force, while the residual impact force is transmitted to the support plate 6 and the fixing plate 5, which can improve the impact resistance of the reinforcing plate 2.

[0030] like Figure 1 As shown, both the reinforcing plate 2 and the protective cover 3 are installed on the right side of the profile body 1, and the right side of the profile body 1 is an impact-resistant surface that can resist impact forces from the right side.

[0031] Specifically, the cross-section of the reinforcing plate 2 is I-shaped, so that grooves are formed on both the left and right sides of the reinforcing plate 2. The I-shaped design can improve the resistance of the reinforcing plate 2 to impact from the right side.

[0032] Furthermore, a reinforcing rib 13 is installed in the groove on the left side of the reinforcing plate 2. The reinforcing rib 13 is arched, and the middle part of the arch is fixedly connected to the middle part of the groove of the reinforcing plate 2. The two ends of the arch are fixedly connected to the inner side of the upper bottom and the lower bottom of the reinforcing plate 2, respectively. Both ends of the reinforcing rib 13 are fixedly connected to the right side of the profile body 1. The arched design can enhance the compressive and impact resistance of the reinforcing plate 2.

[0033] Furthermore, a buffer pad 12 is installed in the groove on the right side of the reinforcing plate 2. The end of the impact-resistant component 4 near the profile body 1 extends into the groove on the right side of the reinforcing plate 2 and abuts against the buffer pad 12. When the protective cover 3 is subjected to an impact force from the right side, the impact-resistant component 4 initially buffers and offsets the impact force. When the impact-resistant component 4 is saturated in offsetting the impact force, the impact-resistant component 4 transmits the impact force to the reinforcing plate 2. At this time, the buffer pad 12 plays a certain buffering role in the transmitted impact force.

[0034] It should be noted that the impact-resistant component 4 can be an elastic soft material with buffering properties in the prior art, or it can be an elastic component or other mechanical structure with buffering function.

[0035] Specifically, the U-shaped bottom of the protective cover 3 is an outwardly convex arch, and the impact-resistant component 4 is made of a flexible soft material and is filled in the inner cavity of the U-shaped bottom of the protective cover 3. The arch design can improve the resistance of the protective cover 3 to impact from the right side, and the impact-resistant component 4 can undergo elastic deformation and fill the gap between the reinforcing plate 2 and the protective cover 3, which can improve the actual impact resistance effect.

[0036] Furthermore, a buffer 10 is installed on the side of the impact-resistant component 4. The buffer 10 is filled in the opening between the reinforcing plate 2 and the fixed plate 5 and abuts against the support plate 6 to assist in impact resistance. The buffer 10 can be an elastic material such as silicone or rubber in the prior art.

[0037] Furthermore, the connection between the U-shaped bottom and the U-shaped side of the protective cover 3 is rounded, and a protective strip 11 is installed on the inner wall of the rounded corner. One side of the protective strip 11 is fixedly connected to the fixing plate 5, and the other side of the protective strip 11 is in close contact with the impact-resistant component 4.

[0038] The rounded corner design can improve the actual impact resistance of the protective cover 3, while the protective strip 11 is installed on the inner wall of the rounded corner, which can resist the impact force on the right side and improve the impact resistance range.

[0039] The cross-section of the protective strip 11 is a fan-shaped ring, and the side of the buffer 10 near the protective strip 11 is arc-shaped and matches and fits tightly with the inner arc of the fan-shaped ring, so that the impact force transmitted through the protective strip 11 can be further weakened by acting on the buffer 10.

[0040] Specifically, a buffer mechanism is provided in the gap between the reinforcing plate 2 and the fixed plate 5. When the reinforcing plate 2 is subjected to an impact force and transmits the impact force to the support plate 6, the impact force is buffered by the buffer mechanism.

[0041] Furthermore, the upper and lower bottom of the reinforcing plate 2 are provided with sliding grooves, the support plate 6 is made of aluminum alloy sheet, and the fixing plate 5 is provided with a slot that matches the support plate 6. One end of the support plate 6 is slidably connected to the reinforcing plate 2 through the sliding groove, and the end of the support plate 6 away from the reinforcing plate 2 is inserted into the slot. When the buffer 10 is deformed by the lateral impact force and extends into the gap between the reinforcing plate 2 and the fixing plate 5, the impact force is transmitted to the support plate 6. The support plate 6 will undergo plastic deformation and detach from the slot and act on the buffer mechanism, thereby using the buffer mechanism to further weaken the impact force.

[0042] Specifically, the buffer mechanism includes a movable rod 7 and an elastic element 8. One end of the movable rod 7 is mounted on the support plate 6, and the other end of the movable rod 7 is slidably inserted into the profile body 1. The elastic element 8 is fitted on the outer periphery of the movable rod 7, and the impact force is buffered by the elastic deformation of the elastic element 8.

[0043] When the support plate 6 undergoes plastic deformation and detaches from the slot, the support plate 6 will move with the movement of the movable rod 7. The movable rod 7 will slide into the profile body 1 under the action of impact force, and the elastic element 8 will undergo elastic deformation, thereby buffering the impact force.

[0044] Furthermore, there are multiple support plates 6 and they are evenly distributed along the length of the movable rod 7. One end of the movable rod 7 is fixedly connected to the support plate 6 on the side away from the profile body 1. The other end of the movable rod 7 slides through multiple support plates 6 in sequence and slides into the profile body 1. An elastic element 8 is connected between two adjacent support plates 6.

[0045] Multiple support plates 6 are arranged sequentially from right to left. When the first support plate 6 undergoes plastic deformation, it drives the movable rod 7 to slide into the profile body 1. At this time, the distance between the first support plate 6 and the second support plate 6 is shortened, and the elastic element 8 undergoes elastic deformation to achieve one buffer. When one buffer is insufficient to offset the impact force, the second support plate 6 disengages from the slot and undergoes plastic deformation. Similarly, multiple buffers are achieved.

[0046] It should be noted that the support plate 6 is plastically deformed and cannot be recovered. The setting of multiple support plates 6 is to provide multiple impact resistance. When all support plates 6 are deformed, the number of impact resistances is reduced to zero. At this time, the impact resistance cannot be provided by the buffer mechanism and maintenance is required.

[0047] Furthermore, the profile body 1 has a cavity corresponding to the movable rod 7 installed inside, and a shock absorber 9 is installed in the cavity. The end of the movable rod 7 away from the support plate 6 slides into the cavity. The two ends of the shock absorber 9 are connected to the side wall of the cavity and the end face of the movable rod 7, respectively, so as to provide auxiliary buffering. The shock absorber 9 can be a spring, a spring sheet or other buffering and shock-absorbing mechanism in the prior art.

[0048] Please see Figure 2 A bumper includes a bumper body 101, with extensions 102 at both ends of the bumper body 101. Both the bumper body 101 and the extensions 102 are made of the aforementioned impact-resistant aluminum profile. The bumper body 101 is mounted on the vehicle body 103 via a connecting block 14, and the extensions 102 are connected to the vehicle body 103 via a connecting rod 15.

[0049] Specifically, the extension 102 has a fan-shaped cross section, the connecting rod 15 is Y-shaped, the two ends of the upper part of the Y-shape are fixedly connected to the inner wall of the extension 102 and the inner side of the bumper body 101, respectively, and the lower end of the Y-shape is fixedly connected to the vehicle body 103, which can improve the impact resistance.

[0050] In summary, the impact-resistant aluminum profile proposed in this invention, by installing a reinforcing plate 2 and a protective cover 3 on the side of the profile body 1, utilizes the protective cover 3 to cover the reinforcing plate 2 and the filling of the impact-resistant component 4 to resist external impact forces. The impact force acts on the protective cover 3 and is transmitted to the impact-resistant component 4. The deformation of the impact-resistant component 4 initially offsets the impact force. After the impact-resistant component 4 absorbs the impact force to saturation, the impact force acts on the reinforcing plate 2. The high-strength structure of the reinforcing plate 2 achieves resistance to the impact force, while the residual impact force is transmitted to the support plate 6. When the support plate 6 absorbs the impact force to saturation, the support plate 6 deforms, causing the buffer mechanism to operate. This effectively offsets the residual impact force. By offsetting the external impact force multiple times, the impact force can be effectively weakened, thereby improving the impact resistance of the aluminum profile, which in turn improves the overall strength and enhances the safety performance. The bumper body 101 and extension 102 are made of impact-resistant aluminum profile, which improves the impact resistance of the bumper body 101 and extension 102. The bumper is then installed on the vehicle body 103 through connecting block 14 and connecting rod 15. The Y-shaped structure of connecting rod 15, combined with the arc design of extension 102, improves the impact resistance of the front and rear sides of the vehicle body, thereby improving the impact resistance of the vehicle body 103.

[0051] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. An impact-resistant aluminum profile, comprising a profile body (1), characterized in that: A reinforcing plate (2) and a protective cover (3) are installed on the side of the profile body (1). The protective cover (3) covers the outside of the reinforcing plate (2), and a buffer cavity is formed between the protective cover (3) and the reinforcing plate (2). An impact-resistant component (4) is installed in the buffer cavity. The protective cover (3) has a U-shaped cross section. Fixing plates (5) are installed on both inner walls of the U-shape. There is a gap between the reinforcing plate (2) and the fixing plate (5). A support plate (6) is installed on the side of the reinforcing plate (2) near the fixing plate (5). The support plate (6) is connected to the fixing plate (5). A buffer mechanism is provided in the gap between the reinforcing plate (2) and the fixed plate (5). When the reinforcing plate (2) is subjected to an impact force and transmits the impact force to the support plate (6), the impact force is buffered by the buffer mechanism. The buffer mechanism includes a movable rod (7) and an elastic element (8). One end of the movable rod (7) is mounted on the support plate (6), and the other end of the movable rod (7) is slidably inserted into the profile body (1). The elastic element (8) is fitted on the outer periphery of the movable rod (7) and the impact force is buffered by the elastic deformation of the elastic element (8). The number of support plates (6) is multiple and they are evenly distributed along the length of the movable rod (7). One end of the movable rod (7) is fixedly connected to the support plate (6) on the side away from the profile body (1). The other end of the movable rod (7) slides through multiple support plates (6) in sequence and slides into the profile body (1).

2. The impact-resistant aluminum profile according to claim 1, characterized in that, The profile body (1) has a cavity corresponding to the movable rod (7) installed inside. A shock absorber (9) is installed in the cavity. The end of the movable rod (7) away from the support plate (6) slides into the cavity. The two ends of the shock absorber (9) are connected to the side wall of the cavity and the end face of the movable rod (7) respectively.

3. The impact-resistant aluminum profile according to claim 1, characterized in that, The side of the impact-resistant component (4) is equipped with a buffer component (10), which is filled in the opening between the reinforcing plate (2) and the fixing plate (5) and abuts against the support plate (6).

4. The impact-resistant aluminum profile according to claim 1, characterized in that, The U-shaped bottom of the protective cover (3) is an outwardly protruding arch, and the impact-resistant component (4) is made of a flexible soft material and is filled in the inner cavity of the U-shaped bottom of the protective cover (3).

5. The impact-resistant aluminum profile according to claim 1, characterized in that, The connection between the U-shaped bottom and the U-shaped side of the protective cover (3) is rounded, and a protective strip (11) is installed on the inner wall of the rounded corner. One side of the protective strip (11) is fixedly connected to the fixing plate (5), and the other side of the protective strip (11) is closely attached to the impact-resistant component (4).

6. A bumper, comprising a bumper body (101), wherein each end of the bumper body (101) has an extension (102), and both the bumper body (101) and the extension (102) are made of the impact-resistant aluminum profile as described in any one of claims 1-5, characterized in that, The bumper body (101) is mounted on the vehicle body (103) via a connecting block (14), and the extension (102) is connected to the vehicle body (103) via a connecting rod (15).

7. A bumper according to claim 6, characterized in that, The extension (102) has a fan-shaped cross section, the connecting rod (15) is Y-shaped, the two ends of the upper part of the Y-shape are fixedly connected to the inner wall of the extension (102) and the inner side of the bumper body (101), respectively, and the lower end of the Y-shape is fixedly connected to the vehicle body (103).

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