Anti-impact automobile bumper
By introducing the absorption and buffering mechanism of elastic steel plates and airflow spray holes into the automobile bumper, combined with the support and guide structure of the guide cylinder and guide column, the problem of low collision avoidance cushioning performance of existing automobile bumpers is solved, and the anti-collision protection is significantly improved Performance and stability.
Patent Information
- Application Number
- CN202421080952.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-05-16
AI Technical Summary
The existing car bumpers have low anti-collision cushioning performance, making it difficult to effectively reduce the impact force, and fail to provide good anti-collision protection.
A car bumper structure including support plate, elastic steel plate, guide cylinder, guide column and anti-impact pad is designed. The shock-proof performance of the bumper is improved through the shock-absorbing buffer of the elastic steel plate and the absorption buffering mechanism of the airflow nozzle hole.
It effectively reduces the impact force on the bumper, improves the anti-collision protection performance, maintains the stability of the bumper and enhances the absorption capacity of impact energy.
Smart Images
Figure CN222224075U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile bumpers, in particular to an impact-resistant automobile bumper. Background Art
[0002] The car bumper is a safety device that absorbs and mitigates external impact and protects the front and rear parts of the car body.
[0003] With the development of society and the advancement of science and technology, cars are becoming more and more popular among people. The popularity of cars has brought great convenience to people's lives, but it has also brought safety problems. In order to improve the safety of cars, developers have added many protective devices to cars, and the car bumper is one of them.
[0004] The car bumper is composed of only one layer of outer shell plate, and most of them use plastic shell as a protective bumper. When a high-speed and high-kinetic energy collision occurs, the bumper is difficult to absorb the impact force and it is difficult to protect the car body and the people inside the car.
[0005] For example, the prior art Chinese patent announcement number "CN212022564U" provides an impact-proof structure of a car bumper, including an anti-collision bracket and an anti-collision rod, the anti-collision rod is fixedly connected to a plurality of connecting rods toward the side wall of the anti-collision bracket, the other end of the connecting rod is slidably connected to the anti-collision bracket, a first spring is sleeved on the connecting rod, the two ends of the first spring are respectively fixedly connected to the side walls opposite to the anti-collision rod and the anti-collision bracket, the end of the connecting rod located in the anti-collision bracket is fixedly connected to a fixed block, a connecting block is arranged in the anti-collision bracket, the connecting block is provided with a sliding groove for sliding connection of the fixed block, and a second spring is fixedly connected between the inner wall of the end of the sliding groove and the side wall of the fixed block.
[0006] The device can play a sufficient buffering role to protect the vehicle body and the people inside the vehicle body.
[0007] The existing anti-collision automobile bumper has low anti-collision buffering performance and fails to reduce the impact force well, making it difficult for the bumper to provide good anti-collision protection for the car. At the same time, the middle buffer energy absorption of the bumper is low, failing to effectively absorb the impact energy and reduce the impact force. Utility Model Content
[0008] The utility model aims to solve the shortcomings of the prior art that the anti-collision buffering performance is low, the impact force cannot be well reduced, and it is difficult for the bumper to provide good anti-collision protection for the car, and proposes an anti-impact car bumper.
[0009] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0010] An impact-proof automobile bumper is designed, comprising a support plate, a buffer groove is opened inside the support plate, an elastic steel plate is connected inside the buffer groove, a mounting plate is fixed to the top end of the elastic steel plate, a limiting frame is fixed to the top end of the mounting plate and located inside the notch of the buffer groove, a first guide cylinder is fixed to the top end of the mounting plate, a second guide cylinder is slidably connected to the top end of the first guide cylinder, a guide column is slidably connected to the top end of the second guide cylinder, an anti-collision shell is fixed to the top end of the guide column, an anti-impact pad is bonded to the outside of the anti-collision shell, connecting blocks are fixed to both ends of the support plate, a guide hole is opened in the middle of the connecting block, guide rods are fixed to both ends of the inner side of the anti-collision shell, the guide rods slide through the guide holes, a limiting plate is fixed to the bottom end of the guide rod, and a mounting frame is fixed to the bottom end of the support plate.
[0011] Furthermore, a first air flow nozzle is opened at the bottom end of the side of the first guide cylinder, a first connecting hole is opened at the top end of the first guide cylinder, the bottom end of the second guide cylinder slides through the first connecting hole, a first push plate is fixed to the bottom end of the second guide cylinder, the bottom end of the first push plate is connected to a first spring, the bottom end of the first spring is connected to a first shaping plate, a first piston is bonded between the two first shaping plates, and a second spring is connected between the bottom end of the first shaping plate at the bottom end and the inner bottom end of the first guide cylinder.
[0012] Furthermore, a second air flow nozzle is opened at the bottom end of the side of the second guide cylinder, a second connecting hole is opened at the top end of the second guide cylinder, the bottom end of the guide column slides through the second connecting hole, a second push plate is fixed to the bottom end of the guide column, the bottom end of the second push plate is connected to a third spring, the bottom end of the third spring is connected to a second shaping plate, a second piston is bonded between the two second shaping plates, and a fourth spring is connected between the bottom end of the second shaping plate at the bottom end and the inner bottom end of the second guide cylinder.
[0013] Furthermore, the support plate is a rectangular plate structure and is horizontally arranged, the elastic steel plate is an S-shaped structure and is vertically arranged, the mounting plate is a rectangular plate structure and is horizontally arranged inside the buffer groove, and the limit frame is a rectangular frame structure.
[0014] Furthermore, the anti-collision shell is made of stainless steel, and the anti-impact pad is made of an anti-collision foam board.
[0015] Furthermore, the connecting plate is a rectangular block structure and is arranged horizontally, and the guide rods are arranged vertically and are located outside both ends of the supporting plate.
[0016] Furthermore, the first guide cylinder and the second guide cylinder are both circular cylinder structures, and the guide column is a cylindrical structure and is vertically arranged, the first ejecting plate and the first shaping plate are both circular plate structures, and the diameter of the first ejecting plate is greater than the diameter of the first connecting hole.
[0017] Furthermore, the second ejector plate and the second shaping plate are both circular plate structures, and the diameter of the second ejector plate is greater than the diameter of the second connecting hole.
[0018] The utility model provides an impact-resistant automobile bumper, which has the following beneficial effects:
[0019] 1. The utility model can reduce the impact and collision of the bumper by providing an anti-impact pad on the outer side of the anti-impact shell, and a guide column, a second guide cylinder and a first guide cylinder are provided between the anti-impact shell and the support plate to support and guide the bumper, thereby maintaining the stability of the bumper. At the same time, a mounting plate is provided at the bottom end of the first guide cylinder, and the mounting plate is installed in the buffer groove through an elastic steel plate. Therefore, shock absorption and buffering can be performed through the elastic steel plate, thereby improving the anti-impact protection performance of the bumper.
[0020] 2. The utility model arranges a guide column, a second guide cylinder and a first guide cylinder between the anti-collision shell and the support plate, and arranges a first airflow spray hole and a second airflow spray hole at the bottom ends of the first guide cylinder and the second guide cylinder respectively, and arranges a first piston and a second piston inside the first guide cylinder and the second guide cylinder respectively, and arranges a first spring, a second spring, a third spring and a fourth spring. Therefore, the first guide cylinder, the second guide cylinder and the guide column can absorb and buffer the impact energy received by the bumper, thereby reducing the impact force. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0022] Figure 2 For this utility model Figure 1 A cross-sectional view of
[0023] Figure 3 For this utility model Figure 2 The enlarged view of point B;
[0024] Figure 4 For this utility model Figure 2 Enlarged view of point A.
[0025] In the figure: 1. support plate; 2. mounting frame; 3. elastic steel plate; 4. mounting plate; 5. limit plate; 6. connecting block; 7. guide rod; 8. limit frame; 9. anti-impact pad; 10. second connecting hole; 11. buffer groove; 12. anti-collision shell; 13. guide column; 14. second guide cylinder; 15. first guide cylinder; 16. guide hole; 17. second spring; 18. first air flow nozzle; 19. first shaping plate; 20. first piston; 21. first spring; 22. first push plate; 23. first connecting hole; 24. second air flow nozzle; 25. fourth spring; 26. second piston; 27. second shaping plate; 28. third spring; 29. second push plate. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0027] Example 1
[0028] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 , an impact-proof automobile bumper shown in the figure includes a support plate 1, a buffer groove 11 is opened inside the support plate 1, an elastic steel plate 3 is connected inside the buffer groove 11, a mounting plate 4 is fixed to the top of the elastic steel plate 3, a limiting frame 8 is fixed to the top of the mounting plate 4 and located inside the notch of the buffer groove 11, a first guide cylinder 15 is fixed to the top of the mounting plate 4, a second guide cylinder 14 is slidably connected to the top of the first guide cylinder 15, a guide column 13 is slidably connected to the top of the second guide cylinder 14, an anti-collision shell 12 is fixed to the top of the guide column 13, an anti-impact pad 9 is bonded to the outside of the anti-collision shell 12, connecting blocks 6 are fixed at both ends of the support plate 1, a guide hole 16 is opened in the middle of the connecting block 6, guide rods 7 are fixed to the inner ends of the anti-collision shell 12, the guide rods 7 slide through the guide holes 16, a limiting plate 5 is fixed to the bottom end of the guide rod 7, and a mounting frame 2 is fixed to the bottom end of the support plate 1.
[0029] By providing an anti-impact pad 9 on the outer side of the anti-impact shell 12, the impact and collision of the bumper can be reduced. Moreover, between the anti-impact shell 12 and the support plate 1, a guide column 13, a second guide cylinder 14 and a first guide cylinder 15 are provided to support and guide, thereby maintaining the stability of the bumper. At the same time, a mounting plate 4 is provided at the bottom end of the first guide cylinder 15, and the mounting plate 4 is installed in the buffer groove 11 through an elastic steel plate 3. Therefore, shock absorption and buffering can be performed through the elastic steel plate 3, thereby improving the anti-impact protection performance of the bumper.
[0030] The support plate 1 is a rectangular plate structure and is horizontally arranged, the elastic steel plate 3 is an S-shaped structure and is vertically arranged, the mounting plate 4 is a rectangular plate structure and is horizontally arranged inside the buffer groove 11, and the limit frame 8 is a rectangular frame structure.
[0031] The anti-collision shell 12 is made of stainless steel, and the anti-impact pad 9 is made of an anti-collision foam board.
[0032] The connecting block 6 is a rectangular block structure and is horizontally arranged. The guide rod 7 is vertically arranged and is located outside the two ends of the supporting plate 1 .
[0033] Example 2
[0034] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 , an impact-proof automobile bumper shown in the figure includes a support plate 1, a buffer groove 11 is opened inside the support plate 1, an elastic steel plate 3 is connected inside the buffer groove 11, a mounting plate 4 is fixed to the top of the elastic steel plate 3, a limiting frame 8 is fixed to the top of the mounting plate 4 and located inside the notch of the buffer groove 11, a first guide cylinder 15 is fixed to the top of the mounting plate 4, a second guide cylinder 14 is slidably connected to the top of the first guide cylinder 15, a guide column 13 is slidably connected to the top of the second guide cylinder 14, an anti-collision shell 12 is fixed to the top of the guide column 13, an anti-impact pad 9 is bonded to the outside of the anti-collision shell 12, connecting blocks 6 are fixed at both ends of the support plate 1, a guide hole 16 is opened in the middle of the connecting block 6, guide rods 7 are fixed to the inner ends of the anti-collision shell 12, the guide rods 7 slide through the guide holes 16, a limiting plate 5 is fixed to the bottom end of the guide rod 7, and a mounting frame 2 is fixed to the bottom end of the support plate 1.
[0035] By providing an anti-impact pad 9 on the outer side of the anti-impact shell 12, the impact and collision of the bumper can be reduced. Moreover, between the anti-impact shell 12 and the support plate 1, a guide column 13, a second guide cylinder 14 and a first guide cylinder 15 are provided to support and guide, thereby maintaining the stability of the bumper. At the same time, a mounting plate 4 is provided at the bottom end of the first guide cylinder 15, and the mounting plate 4 is installed in the buffer groove 11 through an elastic steel plate 3. Therefore, shock absorption and buffering can be performed through the elastic steel plate 3, thereby improving the anti-impact protection performance of the bumper.
[0036] A first air flow nozzle 18 is provided at the bottom end of the side surface of the first guide cylinder 15, a first connecting hole 23 is provided at the top end of the first guide cylinder 15, the bottom end of the second guide cylinder 14 slides through the first connecting hole 23, a first push plate 22 is fixed to the bottom end of the second guide cylinder 14, a first spring 21 is connected to the bottom end of the first push plate 22, a first shaping plate 19 is connected to the bottom end of the first spring 21, a first piston 20 is bonded between the two first shaping plates 19, and a second spring 17 is connected between the bottom end of the first shaping plate 19 at the bottom end and the inner bottom end of the first guide cylinder 15.
[0037] A second air flow nozzle 24 is provided at the bottom end of the side surface of the second guide cylinder 14, a second connecting hole 10 is provided at the top end of the second guide cylinder 14, the bottom end of the guide column 13 slides through the second connecting hole 10, a second push plate 29 is fixed to the bottom end of the guide column 13, a third spring 28 is connected to the bottom end of the second push plate 29, a second shaping plate 27 is connected to the bottom end of the third spring 28, a second piston 26 is bonded between the two second shaping plates 27, and a fourth spring 25 is connected between the bottom end of the second shaping plate 27 at the bottom end and the inner bottom end of the second guide cylinder 14.
[0038] A guide column 13, a second guide cylinder 14 and a first guide cylinder 15 are arranged between the anti-collision shell 12 and the support plate 1, and a first airflow spray hole 18 and a second airflow spray hole 24 are arranged at the bottom ends of the first guide cylinder 15 and the second guide cylinder 14 respectively, and a first piston 20 and a second piston 26 are arranged inside the first guide cylinder 15 and the second guide cylinder 14 respectively, and a first spring 21, a second spring 17, a third spring 28 and a fourth spring 25 are arranged. Therefore, the first guide cylinder 15, the second guide cylinder 14 and the guide column 13 can absorb and buffer the impact energy received by the bumper, thereby reducing the impact force.
[0039] The first guide cylinder 15 and the second guide cylinder 14 are both circular cylinder structures, and the guide column 13 is a cylindrical structure, and both are vertically arranged, the first push plate 22 and the first shaping plate 19 are both circular plate structures, and the diameter of the first push plate 22 is greater than the diameter of the first connecting hole 23.
[0040] The second push plate 29 and the second shaping plate 27 are both circular plate structures, and the diameter of the second push plate 29 is greater than the diameter of the second connecting hole 10 .
[0041] Working method: The impact and collision of the bumper can be reduced by the anti-impact pad 9 on the outer side of the anti-impact shell 12, and the guide column 13, the second guide cylinder 14 and the first guide cylinder 15 are provided between the anti-impact shell 12 and the support plate 1 for support and guidance to keep the bumper stable. At the same time, a mounting plate 4 is provided at the bottom end of the first guide cylinder 15, and the mounting plate 4 is installed in the buffer groove 11 through the elastic steel plate 3. Therefore, the elastic steel plate 3 can be used for shock absorption and buffering to improve the anti-impact protection performance of the bumper.
[0042] A guide column 13, a second guide cylinder 14 and a first guide cylinder 15 are arranged between the anti-collision shell 12 and the support plate 1, and a first airflow spray hole 18 and a second airflow spray hole 24 are arranged at the bottom ends of the first guide cylinder 15 and the second guide cylinder 14 respectively, and a first piston 20 and a second piston 26 are arranged inside the first guide cylinder 15 and the second guide cylinder 14 respectively, and a first spring 21, a second spring 17, a third spring 28 and a fourth spring 25 are arranged. Therefore, the first guide cylinder 15, the second guide cylinder 14 and the guide column 13 can absorb and buffer the impact energy received by the bumper, thereby reducing the impact force.
[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An impact-resistant automobile bumper, comprising a support plate (1), characterized in that: The support plate (1) has a buffer groove (11) formed inside, the buffer groove (11) is connected to an elastic steel plate (3), a mounting plate (4) is fixed to the top of the elastic steel plate (3), a limiting frame (8) is fixed to the top of the mounting plate (4) and located inside the notch of the buffer groove (11), a first guide cylinder (15) is fixed to the top of the mounting plate (4), a second guide cylinder (14) is slidably connected to the top of the first guide cylinder (15), and a guide column (14) is slidably connected to the top of the second guide cylinder (14). 3), an anti-collision shell (12) is fixed to the top of the guide column (13), an anti-impact pad (9) is bonded to the outer side of the anti-collision shell (12), connecting blocks (6) are fixed to both ends of the support plate (1), a guide hole (16) is opened in the middle of the connecting block (6), guide rods (7) are fixed to both ends of the inner side of the anti-collision shell (12), the guide rods (7) slide through the guide holes (16), a limiting plate (5) is fixed to the bottom end of the guide rod (7), and a mounting frame (2) is fixed to the bottom end of the support plate (1).
2. The impact-resistant automobile bumper according to claim 1, characterized in that: A first air flow nozzle (18) is formed at the bottom end of the side surface of the first guide cylinder (15), a first connecting hole (23) is formed at the top end of the first guide cylinder (15), the bottom end of the second guide cylinder (14) slides through the first connecting hole (23), a first push plate (22) is fixed at the bottom end of the second guide cylinder (14), a first spring (21) is connected to the bottom end of the first push plate (22), a first shaping plate (19) is connected to the bottom end of the first shaping plate (21), a first piston (20) is bonded between the two first shaping plates (19), and a second spring (17) is connected between the bottom end of the first shaping plate (19) at the bottom end and the inner bottom end of the first guide cylinder (15).
3. The impact-resistant automobile bumper according to claim 2, characterized in that: A second air flow nozzle (24) is provided at the bottom end of the side surface of the second guide cylinder (14), a second connecting hole (10) is provided at the top end of the second guide cylinder (14), the bottom end of the guide column (13) slides through the second connecting hole (10), a second push plate (29) is fixed to the bottom end of the guide column (13), the bottom end of the second push plate (29) is connected to a third spring (28), the bottom end of the third spring (28) is connected to a second shaping plate (27), a second piston (26) is bonded between the two second shaping plates (27), and a fourth spring (25) is connected between the bottom end of the second shaping plate (27) at the bottom end and the inner bottom end of the second guide cylinder (14).
4. The impact-resistant automobile bumper according to claim 1, characterized in that: The support plate (1) is a rectangular plate structure and is arranged horizontally, the elastic steel plate (3) is an S-shaped structure and is arranged vertically, the mounting plate (4) is a rectangular plate structure and is arranged horizontally inside the buffer groove (11), and the limit frame (8) is a rectangular frame structure.
5. The impact-resistant automobile bumper according to claim 1, characterized in that: The anti-collision shell (12) is made of stainless steel, and the anti-impact pad (9) is made of an anti-collision foam board.
6. The impact-resistant automobile bumper according to claim 1, characterized in that: The connecting block (6) is a rectangular block structure and is arranged horizontally, and the guide rod (7) is arranged vertically and is located outside the two ends of the support plate (1).
7. The impact-resistant automobile bumper according to claim 2, characterized in that: The first guide cylinder (15) and the second guide cylinder (14) are both circular cylinder structures, and the guide column (13) is a cylindrical structure and is vertically arranged, the first push plate (22) and the first shaping plate (19) are both circular plate structures, and the diameter of the first push plate (22) is greater than the diameter of the first connecting hole (23).
8. The impact-resistant automobile bumper according to claim 3, characterized in that: The second push plate (29) and the second shaping plate (27) are both circular plate structures, and the diameter of the second push plate (29) is greater than the diameter of the second connecting hole (10).