Energy absorption structure of automobile bumper
By designing the energy-absorbing structure of the automobile bumper and using the combination of arc-shaped buffer bow plate and rubber shock absorbing plate, the problem of elastic deformation of the connecting components during collision in the prior art is solved, achieving more efficient energy absorption and occupant safety protection.
Patent Information
- Application Number
- CN202420769937.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2024-12-13
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing automobile connecting parts are prone to elastic deformation during collision, resulting in the rear safety anti-collision beam not sufficiently absorbing energy, and may reduce the living space of the occupant compartment, threatening the safety of the occupant.
A car bumper energy-absorbing structure is designed, including arc-shaped buffer bow plate, shock-absorbing spring, guide cylinder and rubber shock-absorbing plate. By bending the cushioning bow plate and absorbing impact, combining sliding damping and energy absorption of guide cylinder , form a whole structure to reduce damage.
It effectively reduces impact kinetic energy, reduces the chance of bumper damage, and protects the machine and improves occupant safety.
Smart Images
Figure CN222157391U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile accessories, in particular to an automobile bumper energy absorption structure. Background Art
[0002] With the continuous development of the automobile industry and the increasing maturity of the consumer market, people pay more and more attention to the safety of automobile collisions. A connecting component is usually provided between the rear bumper beam and the body sheet metal of the automobile. The connecting component plays a role of supporting the rear bumper beam when a collision accident occurs to the body. The connecting component in the prior art is usually a non-closed section structure welded from a single piece or multiple pieces of sheet metal. The non-closed section will inevitably lead to elastic deformation during a collision. This deformation will cause the rear bumper beam to be unable to fully deform, thereby absorbing energy. At the same time, the deformation of the connecting component may also reduce the living space of the passenger compartment, thereby threatening the safety of the occupants. For this reason, the present application proposes an energy absorption structure for an automobile bumper. Utility Model Content
[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide an energy absorbing structure for a car bumper, which effectively solves the deficiencies of the prior art.
[0004] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides an automobile bumper energy absorption structure, including a front bumper and a rear support plate located behind the front bumper, wherein buffer arch plates are fixedly connected at the four corners behind the front bumper, and the overall shape of the four buffer arch plates is arc-shaped, and two are grouped together to form an eight-shape, and the outer surfaces of the two groups of buffer arch plates are in contact with the outer surface of the rear support plate, a mounting plate is arranged in front of the rear support plate, a shock-absorbing spring is arranged between the mounting plate and the rear support plate, a shock-absorbing plate is arranged in front of the mounting plate, and an outer guard plate is arranged in front of the shock-absorbing plate, and the outer surface of the outer guard plate is flush with the front of the front bumper.
[0005] Preferably, any of the above schemes has four outer sides of the front fuse plate bent backwards by ninety degrees, a through opening is provided in the middle of the front of the front fuse plate, the outer guard plate is located inside the through opening, and there is sliding damping between the two. By using this scheme, the outer guard plate and the front fuse plate can form a whole.
[0006] Preferably, any of the above schemes has four outer sides of the outer guard plate bent backwards by ninety degrees, the outer guard plate is completely out of contact with the mounting plate, and the shock absorbing plate is embedded behind the outer guard plate.
[0007] Preferably, any of the above schemes is that a first guide cylinder is fixedly connected to the middle part of the front of the rear support plate, and a second guide cylinder is fixedly connected to the middle part of the rear of the mounting plate, the first guide cylinder is located inside the second guide cylinder, and the two are slidably connected, and the shock-absorbing spring is located inside between the first guide cylinder and the second guide cylinder. By using this scheme, the movement of the mounting plate can be guided and the stroke can be limited.
[0008] Preferably, any of the above schemes has first notches formed on the edges around the front of the rear support plate.
[0009] Preferably, any of the above schemes is that the shock absorbing plate is fixedly connected to the front of the mounting plate by fasteners, and the material of the shock absorbing plate is rubber. By using this scheme, the shock absorbing plate can absorb the impact on the mounting plate.
[0010] Preferably, one end of the outer side of the four buffer bow plates is fixedly connected to a fixing plate, the outer surfaces of the four fixing plates are fitted with the rear side of the front insurance plate, and a second notch is opened in the middle of the front side of the four fixing plates.
[0011] The utility model has the following advantages:
[0012] 1. The energy absorption structure of the automobile bumper uses the front bumper plate and the rear support plate as the main structure. Buffer bow plates are installed at the four corners behind the front bumper plate. The four buffer bow plates are all arc-shaped, and the outer surfaces are in contact with the rear support plate and face upward. When the front bumper plate is impacted, the buffer bow plates bend and stretch upward, which will not cause scratches or impacts to the rear machine, thereby greatly reducing the kinetic energy caused by the impact and protecting the machine.
[0013] 2. The energy absorption structure of the automobile bumper has a first guide cylinder on the outer surface of the rear support plate, a second guide cylinder is slidably connected to the outside of the first guide cylinder, a mounting plate is fixedly connected to the outer end of the second guide cylinder, a shock absorbing plate is arranged on the outside of the mounting plate, the outside of the shock absorbing plate is covered with an outer guard plate, the outer surface of the outer guard plate is flush with the outside of the front bumper plate, and there is sliding damping between the two, so that the front bumper plate and the rear support plate are combined into a whole and play a guiding role, shock absorbing springs are arranged inside the two guide cylinders, which can absorb energy again together with the shock absorbing plate, and by using this structure, energy can be absorbed at all parts of the entire bumper, greatly reducing the probability of damage. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the utility model;
[0015] Figure 2 For the utility model Figure 1 A schematic cross-sectional structure diagram of ;
[0016] Figure 3 This is a schematic diagram of the structure of the front insurance plate in the utility model;
[0017] Figure 4 This is a schematic diagram of the internal structure of the rear support plate and the mounting plate assembly of the utility model;
[0018] Figure 5 It is a structural schematic diagram of the buffer bow plate in the utility model.
[0019] In the figure: 1-front insurance plate, 2-rear support plate, 3-outer guard plate, 4-buffer bow plate, 5-shock absorbing spring, 6-shock absorbing plate, 7-fixing plate, 8-second notch, 9-through port, 10-second guide cylinder, 11-first guide cylinder, 12-mounting plate, 13-first notch. DETAILED DESCRIPTION
[0020] The utility model is further described below in conjunction with the accompanying drawings, but the protection scope of the utility model is not limited to the following description.
[0021] like Figures 1 to 5 As shown, an energy absorption structure of a car bumper includes a front bumper plate 1 and a rear support plate 2 located behind the front bumper plate 1. Buffer arch plates 4 are fixedly connected to the four corners behind the front bumper plate 1. The overall shape of the four buffer arch plates 4 is arc-shaped, and two are grouped together to form an eight-shaped shape. The outer surfaces of the two groups of buffer arch plates 4 are in contact with the outer surface of the rear support plate 2. A mounting plate 12 is arranged in front of the rear support plate 2, and a shock-absorbing spring 5 is arranged between the mounting plate 12 and the rear support plate 2. A shock-absorbing plate 6 is arranged in front of the mounting plate 12, and an outer guard plate 3 is arranged in front of the shock-absorbing plate 6. The outer surface of the outer guard plate 3 is flush with the front of the front bumper plate 1.
[0022] The four outer sides of the front insurance plate 1 are bent backwards by ninety degrees, and a through opening 9 is opened in the middle of the front of the front insurance plate 1. The outer guard plate 3 is located inside the through opening 9, and there is a sliding damping between the two. As an optional technical solution of the utility model, it ensures that the two are tightly closed to prevent the outer guard plate 3 from moving backwards at a fast speed.
[0023] The four outer sides of the outer guard plate 3 are bent backwards by ninety degrees, and there is no contact between the outer guard plate 3 and the mounting plate 12. The shock-absorbing plate 6 is embedded in the rear of the outer guard plate 3 as an optional technical solution of the utility model, so that the shock-absorbing plate 6 has a certain deformation space, thereby achieving the effect of shock absorption.
[0024] A first guide cylinder 11 is fixedly connected to the middle part of the front of the rear support plate 2, and a second guide cylinder 10 is fixedly connected to the middle part of the rear of the mounting plate 12. The first guide cylinder 11 is located inside the second guide cylinder 10, and the two are slidably connected. The shock-absorbing spring 5 is located inside between the first guide cylinder 11 and the second guide cylinder 10. As an optional technical solution of the utility model, the sizes of the two guide cylinders are adapted to reduce the shaking between the two components. At the same time, the shock-absorbing spring 5 can be connected to the components by welding or the like.
[0025] First notches 13 are provided at the edges of the four front sides of the rear support plate 2 as an optional technical solution of the present invention, which is convenient for the staff to select the installation position of the rear support plate 2 according to the actual situation.
[0026] The shock absorbing plate 6 is fixedly connected to the front of the mounting plate 12 by fasteners, and the material of the shock absorbing plate 6 is rubber.
[0027] One end of the outside of the four buffer bow plates 4 is fixedly connected to a fixing plate 7, the outer surfaces of the four fixing plates 7 are in contact with the back of the front insurance plate 1, and a second notch 8 is opened in the middle of the front of the four fixing plates 7, which is an optional technical solution of the utility model, and is convenient for fixing and installing the buffer bow plates 4. In addition, the buffer bow plates 4 are made of a material with good elasticity and low rigidity to avoid accidental breakage.
[0028] The features, assembly methods, use processes and functions of each component in the utility model are as follows: the front insurance plate 1 and the rear support plate 2 are used as the main structure, and buffer arch plates 4 are installed at the four corners behind the front insurance plate 1. The four buffer arch plates 4 are all arc-shaped, and the outer surfaces are in contact with the rear support plate 2 and face upward. When the front insurance plate 1 is impacted, the buffer arch plates 4 bend and stretch upward, which will not cause scratches or impacts to the rear machine, greatly reducing the kinetic energy caused by the impact and protecting the machine. A first guide cylinder 11 is provided on the outer surface of the rear support plate 2. The outer surface of the first guide cylinder 11 A second guide cylinder 10 is slidably connected, and a mounting plate 12 is fixedly connected to the outer end of the second guide cylinder 10. A shock absorbing plate 6 is arranged on the outside of the mounting plate 12, and the outside of the shock absorbing plate 6 is covered with an outer guard plate 3. The outer surface of the outer guard plate 3 is flush with the outside of the front bumper 1, and there is sliding damping between the two, so that the front bumper 1 and the rear support plate 2 are combined into a whole and play a guiding role. Shock absorbing springs 5 are arranged inside the two guide cylinders, which can absorb energy again together with the shock absorbing plate 6. By using this structure, energy can be absorbed at all parts of the entire bumper, which greatly reduces the chance of damage.
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An automobile bumper energy absorption structure, characterized in that: The invention comprises a front insurance plate (1) and a rear support plate (2) located behind the front insurance plate (1), wherein the four corners behind the front insurance plate (1) are fixedly connected with buffer arch plates (4), the overall shape of the four buffer arch plates (4) are all arc-shaped, and two of them form a group to form an eight-shaped shape, and the outer surfaces of the two groups of buffer arch plates (4) are in contact with the outer surface of the rear support plate (2), a mounting plate (12) is arranged in front of the rear support plate (2), a shock absorbing spring (5) is arranged between the mounting plate (12) and the rear support plate (2), a shock absorbing plate (6) is arranged in front of the mounting plate (12), and an outer guard plate (3) is arranged in front of the shock absorbing plate (6), and the outer surface of the outer guard plate (3) is flush with the front of the front insurance plate (1).
2. The automobile bumper energy absorption structure according to claim 1, characterized in that: The four outer sides of the front protection plate (1) are bent backwards at ninety degrees, a through opening (9) is provided in the middle of the front of the front protection plate (1), and the outer guard plate (3) is located inside the through opening (9), with sliding damping provided between the two.
3. The energy absorbing structure of a vehicle bumper according to claim 2, characterized in that: The four outer sides of the outer guard plate (3) are bent backwards at ninety degrees, the outer guard plate (3) and the mounting plate (12) are completely non-contacting, and the shock absorbing plate (6) is embedded behind the outer guard plate (3).
4. The automobile bumper energy absorption structure according to claim 3, characterized in that: A first guide cylinder (11) is fixedly connected to the middle of the front of the rear support plate (2), and a second guide cylinder (10) is fixedly connected to the middle of the rear of the mounting plate (12); the first guide cylinder (11) is located inside the second guide cylinder (10), and the two are slidably connected; the shock absorbing spring (5) is located inside between the first guide cylinder (11) and the second guide cylinder (10).
5. The automobile bumper energy absorption structure according to claim 4, characterized in that: First notches (13) are provided at the edges of the four sides of the front of the rear support plate (2).
6. The automobile bumper energy absorption structure according to claim 5, characterized in that: The shock absorbing plate (6) is fixedly connected to the front of the mounting plate (12) via fasteners, and the material of the shock absorbing plate (6) is rubber.
7. The automobile bumper energy absorption structure according to claim 6, characterized in that: One end of the outside of the four buffer bow plates (4) is fixedly connected to a fixing plate (7), the outer surfaces of the four fixing plates (7) are in contact with the rear of the front insurance plate (1), and a second notch (8) is provided in the middle of the front of the four fixing plates (7).