Automobile bumper collision energy absorption device

Abstract

The utility model discloses an automobile bumper collision energy absorption device which comprises a fixing plate, energy absorption boxes are symmetrically arranged on the front surface of the fixing plate, the energy absorption boxes are fixedly connected with the fixing plate, and the front surfaces of the energy absorption boxes are fixedly connected with a bumper. According to the collision energy absorption device for the automobile bumper, through the arrangement of the fixing plate, the flow dividing face and the supporting semi-ring, the device is conveniently installed and fixed to an automobile through the fixing plate, the flow dividing face can help reduce air resistance when the automobile runs, the supporting semi-ring supports and connects the bumper and the fixing plate, and meanwhile when the bumper is collided by other automobiles, the supporting semi-ring is connected with the fixing plate through the flow dividing face. The bumper and the supporting semi-rings generate resistance to deform, the energy absorption boxes convert collision energy into energy of material deformation so as to reduce collision damage, when the supporting semi-rings deform and are folded, the interception area of the left side and the right side of the bumper is increased, the situation that an automobile impacts from the side face, more damage is caused is avoided, and safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile protection equipment, in particular to an automobile bumper collision energy absorption device. Background Art

[0002] Automobile bumpers are safety devices that absorb and mitigate external impacts, protecting the front and rear of the vehicle. Typically, bumpers absorb collision energy through cushioning material and energy-absorbing boxes within the bumper body. The cushioning material is made of plastic and installed within the bumper shell, while the energy-absorbing boxes act as a second line of defense to absorb impact forces and enhance the product's protective performance.

[0003] After searching, Chinese patent publication (announcement) No. CN 213354402 U discloses a car bumper collision energy absorption device, the key points of which are: it includes a fixing plate, an energy absorption box and a bumper body, and by arranging a number of buffer parts between the detachably connected front cover and rear cover, on the one hand, it can improve the product's impact resistance in all directions, and on the other hand, it is convenient to detect and replace the internal buffer parts, and when the impact force is large, the buffer parts that have not been impacted can be reused to improve the utilization rate of the product. However, when the comparative document is used in practice, since the size of the front bumper collision component is fixed, when a collision occurs, the colliding car may continue to collide from the side after colliding with the bumper, which is easy to endanger the personal safety of the people in the car from the front and side. A structure that can intercept on the left and right is needed to increase the interception area of the front bumper and improve the safety of the people in the car. Therefore, it is very necessary to design a car bumper collision energy absorption device. Utility Model Content

[0004] The main purpose of the utility model is to provide a vehicle bumper collision energy absorption device, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A vehicle bumper collision energy absorption device includes a fixed plate, an energy absorption box is symmetrically arranged on the front surface of the fixed plate, the energy absorption box is fixedly connected to the fixed plate, and the front surface of the energy absorption box is fixedly connected to the bumper; the outer surface of the bumper is provided with a diversion surface, and a support half ring is fixedly connected between the bumper and the fixed plate. There are four support half rings, and the four support half rings are arranged in the form of a rectangular array.

[0007] In order to achieve the purpose of increasing the firmness of the rear half of the supporting half ring, as an automobile bumper collision energy absorption device of the present invention, a reinforcement sleeve is sleeved on the outer surface of the supporting half ring close to the fixing plate.

[0008] In order to achieve the purpose of increasing safety protection, as an automobile bumper collision energy absorption device of the present invention, a protection pad is fixedly connected to the front surface of the bumper.

[0009] In order to achieve the purpose of stable deformation range during collision support, as an automobile bumper collision energy absorption device of the utility model, the outer surfaces of the bumper opposite to the fixing plate are fixedly connected with collision limit blocks.

[0010] In order to achieve the purpose of helping to absorb shock, as an automobile bumper collision energy absorption device of the utility model, shock absorbers are fixedly connected between the outer surfaces of the collision limit blocks.

[0011] In order to achieve the purpose of helping ventilation, as an automobile bumper collision energy absorption device of the present invention, ventilation slits are symmetrically opened on the upper and lower sides of the front surface of the bumper.

[0012] In order to help guide the air, as a collision energy absorbing device for a car bumper of the present invention, guide grooves are symmetrically opened on the left and right sides of the front surface of the bumper.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. In the utility model, through the arrangement of the fixing plate, energy absorbing box, bumper, diverter surface and supporting half ring, the fixing plate is convenient for stably connecting the energy absorbing box and the bumper, and the device is installed and fixed to the car. The diverter surface can help the car reduce air resistance when driving. While the supporting half ring supports and connects the bumper and the fixing plate, when the bumper is collided with other cars, the bumper and the supporting half ring generate resistance and deform. The energy absorbing box converts the collision energy into material deformation energy to reduce impact damage. When the supporting half ring is deformed and folded, the interception area on the left and right sides of the bumper is increased, avoiding the car from being hit from the side and causing greater damage, thereby improving safety.

[0015] 2. In the present invention, through the arrangement of the collision limit block, the bumper and the guide groove, the collision limit block can squeeze the collision when the car collides, help to buffer the force and improve safety. The guide groove can disperse the air resistance encountered when driving directly in front of the bumper through the guide groove, and also play a role in reducing the impact of air resistance when the car is driving fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the fixed plate structure of an embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of the support semi-ring structure of an embodiment of the utility model;

[0019] Figure 4 This is a schematic diagram of the bumper structure of an embodiment of the present utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the collision limit block according to an embodiment of the present utility model.

[0021] In the figure: 1. Fixed plate; 2. Energy absorption box; 3. Bumper; 4. Diverter surface; 5. Support half ring; 6. Reinforcement sleeve; 7. Protection pad; 8. Collision limit block; 9. Shock absorber; 10. Breathing seam; 11. Guide groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example

[0024] like Figure 1-5 As shown, a car bumper collision energy absorption device includes a fixing plate 1, an energy absorption box 2 is symmetrically provided on the front surface of the fixing plate 1, the energy absorption box 2 is fixedly connected to the fixing plate 1, and a bumper 3 is fixedly connected to the front surface of the energy absorption box 2;

[0025] In this embodiment, the outer surface of the bumper 3 is provided with a diversion surface 4, and a support semi-ring 5 is fixedly connected between the bumper 3 and the fixing plate 1. There are four support semi-rings 5, and the four support semi-rings 5 are arrayed in the form of a rectangular array.

[0026] During specific use, the fixing plate 1 conveniently and stably connects the energy absorption box 2 and the bumper 3, and the device is installed and fixed to the car. The diverter surface 4 can help the car reduce air resistance when driving. The supporting half ring 5 supports and connects the bumper 3 and the fixing plate 1. At the same time, when the bumper 3 is collided with other cars, the bumper 3 and the supporting half ring 5 generate resistance and deform. The energy absorption box 2 converts the collision energy into material deformation energy to reduce the impact damage. When the supporting half ring 5 is deformed and folded, the interception area on the left and right sides of the bumper 3 is increased, preventing the car from impacting from the side and causing greater damage, thereby improving safety.

[0027] In this embodiment, a reinforcement sleeve 6 is sleeved on the outer surface of the supporting half ring 5 close to the fixing plate 1 .

[0028] During specific use, the reinforcement sleeve 6 increases the firmness of the rear half of the support half ring 5, and can support and stabilize the bending area of the front half of the support half ring 5 that is deformed by collision, thereby ensuring an increase in the interception area.

[0029] In this embodiment, a protection pad 7 is fixedly connected to the front surface of the bumper 3 .

[0030] During specific use, the protection pad 7 protects the safety between the bumper 3 and the colliding car, thereby improving safety.

[0031] In this embodiment, collision limit blocks 8 are fixedly connected to the outer surfaces of the bumper 3 and the fixing plate 1 that are opposite to each other.

[0032] During specific use, the collision limit block 8 can squeeze and collide when the car collides, help to buffer the force and improve safety.

[0033] In this embodiment, a shock absorber 9 is fixedly connected between the outer surfaces of the collision limit block 8 .

[0034] During specific use, the shock absorber 9 can provide support and shock absorption while also helping to disperse a portion of the impact force and reduce damage.

[0035] In this embodiment, ventilation slots 10 are symmetrically formed on the upper and lower sides of the front surface of the bumper 3 .

[0036] During specific use, the ventilation slits 10 allow air to pass through, allowing air exchange when the vehicle is stationary and reducing resistance when the vehicle is moving.

[0037] In this embodiment, guide grooves 11 are symmetrically formed on the front surface of the bumper 3 .

[0038] During specific use, the guide groove 11 can guide and disperse the air resistance encountered when the vehicle is driving in front of the bumper 3, and also play the role of reducing the influence of air resistance when the vehicle is driving fast.

[0039] Working principle: During use, the fixing plate 1 conveniently and stably connects the energy absorption box 2 and the bumper 3, and fixes the device to the car. The diverter surface 4 can help the car reduce air resistance when driving. The supporting half ring 5 supports and connects the bumper 3 and the fixing plate 1. When the bumper 3 is hit by other cars, the bumper 3 and the supporting half ring 5 generate resistance and deform. The energy absorption box 2 converts the collision energy into material deformation energy to reduce the impact damage. When the supporting half ring 5 is deformed and folded, the interception area on the left and right sides of the bumper 3 is increased to prevent the car from impacting from the side and causing greater damage, thereby improving safety. The reinforcement sleeve 6 increases the firmness of the rear half of the supporting half ring 5, which can support The support stabilizes the bending area where the front half of the supporting half ring 5 is deformed when it collides, ensuring that the interception area is increased. The protection pad 7 protects the safety between the bumper 3 and the colliding car, thereby improving safety. The collision limit block 8 can squeeze the collision when the car collides, help to buffer the force, and improve safety. The shock absorber 9 can support and absorb shock while also helping to disperse part of the impact force and reduce damage. The breathable seam 10 can pass air, exchange air when stationary, and reduce resistance through air when driving. The guide groove 11 can disperse the air resistance encountered by the bumper 3 when driving in front through the guide groove 11, which also plays a role in reducing the impact of air resistance when the car is driving fast.

[0040] 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 vehicle bumper collision energy absorption device, comprising a fixing plate (1), characterized in that: An energy absorption box (2) is symmetrically provided on the front surface of the fixing plate (1), the energy absorption box (2) is fixedly connected to the fixing plate (1), and a bumper (3) is fixedly connected to the front surface of the energy absorption box (2); The outer surface of the bumper (3) is provided with a diversion surface (4), and a support half ring (5) is fixedly connected between the bumper (3) and the fixed plate (1). There are four support half rings (5), and the four support half rings (5) are arranged in a rectangular array.

2. The automobile bumper collision energy absorption device according to claim 1, characterized in that: The outer surface of the supporting half ring (5) close to the fixing plate (1) is sleeved with a reinforcement sleeve (6).

3. The automobile bumper collision energy absorption device according to claim 1, characterized in that: A protection pad (7) is fixedly connected to the front surface of the bumper (3).

4. The automobile bumper collision energy absorption device according to claim 1, characterized in that: The outer surfaces of the bumper (3) and the fixing plate (1) facing each other are both fixedly connected with collision limit blocks (8).

5. The automobile bumper collision energy absorption device according to claim 4, characterized in that: A shock absorber (9) is fixedly connected between the outer surfaces of the collision limit blocks (8).

6. The automobile bumper collision energy absorption device according to claim 1, characterized in that: The front surface of the bumper (3) is provided with ventilation slits (10) symmetrically on the upper and lower sides.

7. The automobile bumper collision energy absorption device according to claim 6, characterized in that: The front surface of the bumper (3) is provided with guide grooves (11) symmetrically on the left and right sides.

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