Buffering structure for front bumper and rear bumper of automobile

By designing the cushioning structure of the front and rear bumpers of the car, and using the combination of sliders and spring damping, the problem of poor shock absorption effect during impact of existing car bumpers is solved, achieving better cushioning effect and body stability.

CN222808047UActive Publication Date: 2025-04-29YANFENG BIO-WUHAN AUTOMOTIVE EXTERIOR SYST CO LTD
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Patent Information

Application Number
CN202421876123.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-05
Publication Date
2025-04-29
Estimated Expiration
2034-08-05

AI Technical Summary

Technical Problem

The existing car bumpers lack cushioning when impacted, resulting in poor shock absorption and the impact force is directly transmitted to the body, causing the body to shake.

Method used

A cushioning structure of the front and rear bumper of the automobile is designed, including the bumper body and the buffer mechanism. The buffering mechanism consists of a connecting assembly and a buffering assembly, which includes a connecting plate, a buffering plate, a slider and a mounting plate, and the buffering assembly includes a first spring damping, a rubber plate and a second spring damping. Through the cooperation of the slider and spring damping, the bumper body is buffered to avoid the transmission of impact force to the vehicle body.

Benefits of technology

It effectively improves the cushioning effect of the bumper, reduces the shaking of the car body, and improves the shock absorption performance of the car. At the same time, the combination of rubber plate and spring damping further improves the cushioning effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bumpers, and provides an automobile front and rear bumper buffer structure which comprises a bumper body, a buffer mechanism is arranged on one side of the bumper body, the buffer mechanism comprises a connecting assembly and a buffer assembly, the connecting assembly comprises a connecting plate, a buffer plate, a sliding block and a mounting plate, the connecting plate is fixedly connected to one side of the bumper body, two sets of buffer plates are rotationally connected into the connecting plate, sliding blocks are rotationally connected into the two sets of buffer plates, and when the bumper body is impacted, the two sets of sliding blocks can slide along the mounting plate through the buffer plates and get away from each other; at the moment, the two sets of sliding blocks push second spring dampers to enable the second spring dampers to be in a contraction state, so that the purpose of buffering the bumper body is achieved through the second spring dampers, and the situation that impact force is directly transmitted to an automobile body through the bumper body, and huge vibration of the automobile body is caused is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of bumpers, in particular to a buffer structure of front and rear bumpers of an automobile. Background Art

[0002] With the development of the automobile industry and the extensive application of engineering plastics in the automobile industry, automobile bumpers, as an important safety device, have also been on the road of innovation. In addition to maintaining the original protection function, today's front and rear bumpers of cars also pursue harmony and unity with the body shape and pursue their own lightweight. The front and rear bumpers of cars are made of plastic, which people call plastic bumpers.

[0003] However, many car bumpers now have poor shock absorption effect due to the lack of buffering effect when in use. When the bumper is subjected to a large impact force, the impact force will be directly transmitted to the car body, causing the car body to shake greatly.

[0004] In view of this, the utility model proposes a buffer structure for front and rear bumpers of an automobile. Utility Model Content

[0005] The utility model provides a buffer structure for the front and rear bumpers of an automobile, which solves the problem in the related art that many automobile bumpers currently lack a buffering effect when in use, resulting in a poor shock absorption effect. When the bumper is subjected to a large impact force, the impact force will be directly transmitted to the vehicle body, causing the vehicle body to shake greatly.

[0006] The technical solution of the utility model is as follows: a front and rear bumper buffer structure of an automobile comprises a bumper body, a buffer mechanism is arranged on one side of the bumper body, and the buffer mechanism comprises a connecting component and a buffer component.

[0007] Preferably, the connecting assembly includes a connecting plate, a buffer plate, a sliding block and a mounting plate.

[0008] Preferably, the connecting plate is fixedly connected to one side of the bumper body, the connecting plate is internally rotatably connected to two groups of buffer plates, the two groups of buffer plates are internally rotatably connected to sliders, and one side of the two groups of sliders is slidably connected to a mounting plate.

[0009] Preferably, the connection points between the two groups of buffer plates and the connecting plates are located at their own end points, and the two groups of buffer plates are both inclined.

[0010] Preferably, the buffer assembly includes a first spring damper, a rubber plate and a second spring damper.

[0011] Preferably, the first spring damper is fixedly connected to one side of the bumper body and to the mounting plate, one end of the first spring damper is provided with a rubber plate fixedly connected to the connecting plate and the mounting plate, and the second spring damper is fixedly connected to one end of the slider and to the mounting plate.

[0012] Preferably, four groups of the first spring dampers are provided, and the four groups of the first spring dampers are arranged at four diagonal positions of the mounting plate.

[0013] Preferably, a support plate is fixedly connected to one side of the mounting plate, a limit plate that fits the bumper body is fixedly connected to the rear of the support plate, a groove is provided on the surface of the bumper body, and a reflective strip is fixedly connected inside the groove.

[0014] Preferably, the limiting plate is arranged to be inclined, and the inclination angle of the limiting plate is consistent with the inclination angle of the bumper body.

[0015] Preferably, the groove is designed to be a horizontal straight line on the surface of the bumper body, and the reflective strip is completely hidden inside the groove.

[0016] The working principle and beneficial effects of the utility model are:

[0017] 1. In the utility model, by setting the slider, when the bumper body is hit, the two sets of sliders will slide along the mounting plate through the buffer plate and move away from each other. At this time, the two sets of sliders will push the second spring damper to form a contracted state, so as to achieve the purpose of buffering the bumper body through the second spring damper, and prevent the bumper body from directly transmitting the impact force to the vehicle body, causing huge vibration of the vehicle body. In addition, by setting the rubber plate, the rubber plate will play a certain buffering effect when squeezed by the connecting plate, and cooperate with the first spring damper to further enhance the buffering effect of the bumper body.

[0018] 2. In the utility model, a support plate is provided, which can support the bumper body and stabilize it. In addition, a reflective strip is provided, which can not only achieve a certain aesthetic effect, but also can reflect light when the car is illuminated by other cars in dim conditions without turning on the lights, thereby improving safety performance to a certain extent. The reflective strip is hidden in the groove and can provide a certain protective effect. When the reflective strip is damaged, it can be replaced with a new one. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the buffer mechanism of the utility model;

[0022] Figure 3 This is a schematic diagram of the limit plate structure of the utility model;

[0023] Figure 4 It is a schematic diagram of the groove structure of the utility model.

[0024] In the figure: 1. bumper body; 2. buffer mechanism; 21. connecting assembly; 211. connecting plate; 212. buffer plate; 213. slider; 214. mounting plate; 22. buffer assembly; 221. first spring damping; 222. rubber plate; 223. second spring damping; 3. support plate; 4. limit plate; 5. groove; 6. reflective strip. DETAILED DESCRIPTION

[0025] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1

[0027] A preferred embodiment of the front and rear bumper buffer structure of an automobile provided by the utility model is as follows Figures 1 to 4 As shown: a front and rear bumper buffer structure of an automobile, comprising a bumper body 1, a buffer mechanism 2 is arranged on one side of the bumper body 1, and the buffer mechanism 2 comprises a connecting component 21 and a buffer component 22.

[0028] In this embodiment, the connection component 21 includes a connection plate 211 , a buffer plate 212 , a slider 213 and a mounting plate 214 . By setting the connection component 21 , the connection component 21 can play a transmission effect and transfer power to the buffer component 22 .

[0029] In this embodiment, the connecting plate 211 is fixedly connected to one side of the bumper body 1, and two groups of buffer plates 212 are rotatably connected inside the connecting plate 211. The two groups of buffer plates 212 are rotatably connected inside with sliders 213, and one side of the two groups of sliders 213 is slidably connected with a mounting plate 214.

[0030] In this embodiment, the connection points between the two groups of buffer plates 212 and the connecting plates 211 are located at their own end points. The two groups of buffer plates 212 are both inclined. The bumper body 1 will first be subjected to the impact force, and then the connecting plates 211 will apply thrust to the two groups of buffer plates 212. At this time, the two groups of buffer plates 212 will simultaneously rotate around the connection points of the connecting plates 211 and apply thrust to the slider 213.

[0031] In this embodiment, the buffer assembly 22 includes a first spring damper 221 , a rubber plate 222 and a second spring damper 223 . By providing the buffer assembly 22 , the buffer assembly 22 can alleviate the thrust applied to the bumper body 1 .

[0032] In this embodiment, the first spring damper 221 is fixedly connected to one side of the bumper body 1 and is fixedly connected to the mounting plate 214. One end of the first spring damper 221 is provided with a rubber plate 222 fixedly connected to the connecting plate 211 and the mounting plate 214. The second spring damper 223 is fixedly connected to one end of the slider 213 and is fixedly connected to the mounting plate 214.

[0033] In this embodiment, four groups of first spring dampers 221 are provided, and the four groups of first spring dampers 221 are provided at four diagonal positions of the mounting plate 214. By providing the rubber plate 222, the rubber plate 222 will have a certain buffering effect when squeezed by the connecting plate 211, and cooperate with the first spring dampers 221 to further enhance the buffering effect of the bumper body 1.

[0034] Example 2

[0035] On the basis of Example 1, a preferred embodiment of a front and rear bumper buffer structure of an automobile provided by the utility model is as follows: Figures 1 to 4 As shown: a support plate 3 is fixedly connected to one side of the mounting plate 214, a limit plate 4 that fits the bumper body 1 is fixedly connected to the rear of the support plate 3, a groove 5 is provided on the surface of the bumper body 1, and a reflective strip 6 is fixedly connected inside the groove 5.

[0036] In this embodiment, the limiting plate 4 is arranged in an inclined manner, and the inclination angle of the limiting plate 4 is consistent with the inclination angle of the bumper body 1.

[0037] In this embodiment, the groove 5 is designed to be a horizontal straight line on the surface of the bumper body 1, and the reflective strip 6 is completely hidden inside the groove 5. The reflective strip 6 can not only have a certain aesthetic effect, but also when the car is in dim conditions and the lights are not turned on, it can be illuminated by other cars and have a reflective effect, thereby improving certain safety performance. The reflective strip 6 is hidden inside the groove 5 and can have a certain protective effect. When the reflective strip 6 is damaged, it can be replaced with a new one.

[0038] The working principle and use process of the utility model are as follows: first, when the car is driving, if it collides with an obstacle or other vehicles, the bumper body 1 will first be subjected to the impact force, and then the connecting plate 211 will apply a thrust to the two groups of buffer plates 212. At this time, the two groups of buffer plates 212 will rotate around the connection point of the connecting plate 211 at the same time, and apply a thrust to the slider 213, so that the two groups of sliders 213 slide along the mounting plate 214 and move away from each other. At this time, the two groups of sliders 213 will push the second spring damper 223 to form a contracted state, so as to achieve the purpose of buffering the bumper body 1 through the second spring damper 223, and prevent the bumper body 1 from directly transmitting the impact force to the vehicle body, causing a huge vibration of the vehicle body. In addition, by setting the rubber plate 222, the rubber plate 222 will have a certain buffering effect when squeezed by the connecting plate 211, and cooperate with the first spring damper 221 to further enhance the buffering effect of the bumper body 1.

[0039] By providing the support plate 3, the support plate 3 can play a supporting effect on the bumper body 1 and play a stabilizing effect on it, and by providing the reflective strip 6, the reflective strip 6 can not only have a certain aesthetic effect, but also when the car is in dim conditions and the lights are not turned on, it can play a reflective effect when illuminated by other cars, thereby improving a certain safety performance, and the reflective strip 6 is hidden inside the groove 5, which can play a certain protective effect. When the reflective strip 6 is damaged, it can be replaced with a new one.

[0040] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A front and rear bumper buffer structure of an automobile, comprising a bumper body (1), characterized in that: A buffer mechanism (2) is provided on one side of the bumper body (1), and the buffer mechanism (2) comprises a connecting component (21) and a buffer component (22).

2. The front and rear bumper buffer structure of an automobile according to claim 1, characterized in that: The connection assembly (21) comprises a connection plate (211), a buffer plate (212), a sliding block (213) and a mounting plate (214).

3. The front and rear bumper buffer structure of an automobile according to claim 2, characterized in that: The connecting plate (211) is fixedly connected to one side of the bumper body (1); two groups of buffer plates (212) are rotatably connected inside the connecting plate (211); sliders (213) are rotatably connected inside the two groups of buffer plates (212); and one side of the two groups of sliders (213) is slidably connected to a mounting plate (214).

4. The front and rear bumper buffer structure of an automobile according to claim 3, characterized in that: The connection points between the two groups of buffer plates (212) and the connecting plate (211) are located at their own end points, and the two groups of buffer plates (212) are both inclined.

5. The front and rear bumper buffer structure of an automobile according to claim 1, characterized in that: The buffer assembly (22) comprises a first spring damper (221), a rubber plate (222) and a second spring damper (223).

6. The front and rear bumper buffer structure of an automobile according to claim 5, characterized in that: The first spring damper (221) is fixedly connected to one side of the bumper body (1) and is fixedly connected to the mounting plate (214); one end of the first spring damper (221) is provided with a rubber plate (222) fixedly connected to the connecting plate (211) and the mounting plate (214); the second spring damper (223) is fixedly connected to one end of the slider (213) and is fixedly connected to the mounting plate (214).

7. The front and rear bumper buffer structure of an automobile according to claim 6, characterized in that: Four groups of the first spring dampers (221) are provided, and the four groups of the first spring dampers (221) are arranged at four diagonal positions of the mounting plate (214).

8. The front and rear bumper buffer structure of an automobile according to claim 2, characterized in that: A support plate (3) is fixedly connected to one side of the mounting plate (214); a limit plate (4) that fits the bumper body (1) is fixedly connected to the rear of the support plate (3); a groove (5) is provided on the surface of the bumper body (1); a reflective strip (6) is fixedly connected inside the groove (5).

9. The front and rear bumper buffer structure of an automobile according to claim 8, characterized in that: The limiting plate (4) is arranged in an inclined manner, and the inclination angle of the limiting plate (4) is consistent with the inclination angle of the bumper body (1).

10. The front and rear bumper buffer structure of an automobile according to claim 8, characterized in that: The groove (5) is designed to be a horizontal straight line on the surface of the bumper body (1), and the reflective strip (6) is completely hidden inside the groove (5).