Automobile bumper with buffering function

Abstract

The utility model relates to the technical field of automobile bumper provides a kind of automobile bumper with buffering function, including bumper shell, the outer surface of the bumper shell is provided with protective structure, one end of the bumper shell is equipped with energy-absorbing block, positioning hole is evenly opened on the energy-absorbing block, one end of the energy-absorbing block is equipped with bumper reinforcement crossbeam, the both sides of the one end of energy-absorbing block close to bumper reinforcement crossbeam are equipped with pressure sensor, the bumper reinforcement crossbeam and the bumper shell between evenly are provided with buffering structure, the both sides of the one end of bumper reinforcement crossbeam away from energy-absorbing block are equipped with energy-absorbing box.The utility model is equipped with pressure sensor, when car collision, pressure sensor detects pressure, when pressure value is greater than set value, air pump starts, and it is inflated to air bag, air bag expands and becomes big, has elasticity, and it is cooperated with energy-absorbing box, can effectively reduce the impact force generated when car collision, realizes the purpose of buffering.

Description

Technical Field

[0001] This utility model relates to the field of automotive bumper technology, and in particular to an automotive bumper with a buffer function. Background Technology

[0002] A car bumper is an external component of a car, mainly used to absorb frontal and rear impacts and protect the engine and surrounding components at the front. There are many types of bumpers, including metal bumpers, plastic bumpers, fiberglass bumpers, and composite material bumpers. Plastic bumpers are suitable for light vehicles and passenger cars.

[0003] To this end, patent CN109455158B discloses a car bumper, comprising: symmetrical upper mounting portions on both sides of the lower part of the upper bumper housing, each upper mounting portion having an upper housing mounting hole; a lower mounting portion on the lower bumper housing matching the upper mounting portions, each lower mounting portion having a lower housing mounting hole corresponding to the upper housing mounting hole; a left cover and a right cover fixedly mounted on the left and right sides of the upper bumper housing; fog light mounting holes and daytime running light mounting holes, as well as a shared mounting hole for fog lights and daytime running lights, located on the upper bumper housing connected to the left and right covers; a left hole cover fixedly mounted on the upper bumper housing; a left mounting bracket fixedly mounted on the left side of the left cover; and a right mounting bracket fixedly mounted on the right side of the right cover; the left and right mounting brackets are symmetrical. This invention has better elasticity than a one-piece molded structure, thus enhancing the buffering and protective effect.

[0004] Existing car bumpers may fail to provide adequate cushioning during a collision, resulting in insufficient protection for passengers and potentially causing injuries. Utility Model Content

[0005] The purpose of this invention is to provide a car bumper with a buffer function to solve the defect of poor buffering effect in existing car bumpers with a buffer function.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a car bumper with a buffer function, including a bumper shell, a protective structure on the outer surface of the bumper shell, an energy-absorbing block installed at one end of the bumper shell, positioning holes evenly opened on the energy-absorbing block, a bumper reinforcing beam installed at one end of the energy-absorbing block, pressure sensors installed on both sides of the bumper reinforcing beam near the energy-absorbing block, a buffer structure evenly arranged between the bumper reinforcing beam and the bumper shell, energy-absorbing boxes installed on both sides of the bumper reinforcing beam away from the energy-absorbing block, an auxiliary structure arranged inside the energy-absorbing box, the auxiliary structure including a limiting groove opened on the inner wall of the bumper reinforcing beam away from the energy-absorbing block, an airbag installed inside the energy-absorbing box, a connecting air pipe connecting the two airbags, and a first air pipe installed on the airbag, the connecting air pipe being arranged inside the limiting groove.

[0007] Preferably, the positioning holes are arranged at equal intervals on the energy-absorbing block.

[0008] The above structure can limit the energy-absorbing rod to a certain extent.

[0009] Preferably, the buffer structure includes a first energy-absorbing pad, an energy-absorbing rod, a second energy-absorbing pad, and a buffer spring. The second energy-absorbing pads are evenly installed on one end of the bumper reinforcing beam near the energy-absorbing block. An energy-absorbing rod is installed on one end of each of the second energy-absorbing pads. A buffer spring is sleeved on each of the energy-absorbing rods. The first energy-absorbing pad is installed on one end of each of the energy-absorbing rods.

[0010] Preferably, one end of the buffer spring is connected to the first energy-absorbing pad, and the buffer spring and the first energy-absorbing pad form a telescopic structure.

[0011] The above structure can reduce the impact force generated during a car collision, further enhancing the buffering function of the car bumper.

[0012] Preferably, the inner wall of the bumper shell near the energy-absorbing block is provided with a groove that mates with the first energy-absorbing pad.

[0013] The above structure can play a certain role in limiting and fixing the first energy-absorbing pad.

[0014] Preferably, the energy-absorbing box has a hollow structure.

[0015] The above structure serves as a buffer while allowing the airbag to inflate.

[0016] Preferably, the protective structure includes a heat insulation layer and a wear-resistant layer, the heat insulation layer is installed on the outer surface of the bumper shell, and the wear-resistant layer is installed on the outer side of the heat insulation layer.

[0017] The above structure can provide some protection for the car bumper and extend its service life.

[0018] The advantages of the car bumper with buffer function provided by this utility model are as follows:

[0019] The auxiliary structure, in conjunction with the energy-absorbing box, can enhance the buffering function of the car bumper. The buffering structure can reduce the impact force generated during a car collision, further enhancing the buffering function of the car bumper. The protective structure can provide a certain degree of protection for the car bumper and extend its service life.

[0020] When a car collides, the pressure sensor detects pressure. If the pressure value exceeds the set value, the air pump starts and inflates the airbag. The airbag expands and becomes elastic. In conjunction with the energy absorption box, it can effectively reduce the impact force generated during a car collision and achieve the purpose of cushioning.

[0021] Through the set buffer structure, the first energy-absorbing pad, the energy-absorbing rod, the second energy-absorbing pad and the buffer spring work together to play a certain buffering role, further reducing the impact force generated during a car collision and improving the safety protection performance of the car.

[0022] The protective structure, including the heat insulation layer and wear-resistant layer, provides a certain degree of protection for the bumper shell, enhancing its heat insulation and wear resistance. This, in turn, can improve the efficiency of the bumper shell and extend its service life to some extent. Attached Figure Description

[0023] Figure 1 This is a front view structural diagram of the present utility model;

[0024] Figure 2 This is a top view of the structure of this utility model;

[0025] Figure 3 For the present utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0026] Figure 4 This is a front view schematic diagram of the auxiliary structure of this utility model;

[0027] Figure 5 This is a front view schematic diagram of the protective structure of this utility model.

[0028] The following are the annotations in the diagram: 1. Energy-absorbing block; 2. Bumper shell; 3. Positioning hole; 4. Pressure sensor; 5. Bumper reinforcing beam; 6. Buffer structure; 61. First energy-absorbing pad; 62. Energy-absorbing rod; 63. Second energy-absorbing pad; 64. Buffer spring; 7. Energy-absorbing box; 8. Auxiliary structure; 81. Airbag; 82. First air pipe; 83. Connecting air pipe; 84. Limiting groove; 9. Protective structure; 91. Heat insulation layer; 92. Wear-resistant layer. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Please see Figures 1-5 The present invention provides a car bumper with a buffer function, including a bumper shell 2.

[0031] Reference Figures 1-5 As shown, an energy-absorbing block 1 is installed at one end of the bumper shell 2. Positioning holes 3 are evenly distributed on the energy-absorbing block 1. The positioning holes 3 are arranged at equal intervals on the energy-absorbing block 1. A bumper reinforcing beam 5 is installed at one end of the energy-absorbing block 1. Pressure sensors 4 are installed on both sides of the bumper reinforcing beam 5 near the end of the energy-absorbing block 1. Energy-absorbing boxes 7 are installed on both sides of the bumper reinforcing beam 5 away from the energy-absorbing block 1. The energy-absorbing box 7 is a hollow structure. An auxiliary structure 8 is set inside the energy-absorbing box 7. The auxiliary structure 8 includes a limiting groove 84 opened on the inner wall of the end of the bumper reinforcing beam 5 away from the energy-absorbing block 1, an airbag 81 installed inside the energy-absorbing box 7, a connecting air pipe 83 connecting the two airbags 81, and a first air pipe 82 installed on the airbag 81. The first air pipe 82 is connected to an air pump. The connecting air pipe 83 is set inside the limiting groove 84.

[0032] Through the function of the energy-absorbing block 1, the car bumper has a certain buffering performance. When the car collides, the pressure sensor 4 detects the pressure. When the pressure value is greater than the set value, the information is transmitted to the microcontroller. The microcontroller processes the information and transmits it to the air pump. The air pump starts and inflates the airbag 81. The airbag 81 expands and becomes more elastic. In conjunction with the energy-absorbing box 7, it can effectively reduce the impact force generated during the car collision and enhance the buffering performance of the car bumper.

[0033] Reference Figure 1 , Figure 2 and Figure 3As shown, a buffer structure 6 is evenly arranged between the bumper reinforcing beam 5 and the bumper shell 2. The buffer structure 6 includes a first energy-absorbing pad 61, an energy-absorbing rod 62, a second energy-absorbing pad 63, and a buffer spring 64. The second energy-absorbing pads 63 are evenly installed at the end of the bumper reinforcing beam 5 near the energy-absorbing block 1. An energy-absorbing rod 62 is installed at one end of each second energy-absorbing pad 63. A buffer spring 64 is sleeved on each energy-absorbing rod 62. The first energy-absorbing pad 61 is installed at one end of each energy-absorbing rod 62. One end of the buffer spring 64 is connected to the first energy-absorbing pad 61. The buffer spring 64 and the first energy-absorbing pad 61 form a telescopic structure. A groove is opened on the inner wall of the end of the bumper shell 2 near the energy-absorbing block 1 to cooperate with the first energy-absorbing pad 61 for limiting and fixing the first energy-absorbing pad 61.

[0034] By combining the first energy-absorbing pad 61, the energy-absorbing rod 62, the second energy-absorbing pad 63, and the buffer spring 64, a certain buffering effect can be achieved, further reducing the impact force generated during a car collision and improving the safety protection performance of the car.

[0035] Reference Figure 5 As shown, the outer surface of the bumper shell 2 is provided with a protective structure 9, which includes a heat insulation layer 91 and a wear-resistant layer 92. The heat insulation layer 91 is a high-temperature resistant reflective heat insulation coating, which is installed on the outer surface of the bumper shell 2. The wear-resistant layer 92 is installed on the outside of the heat insulation layer 91. The wear-resistant layer 92 is a nano wear-resistant coating.

[0036] The heat insulation layer 91 and the wear-resistant layer 92 can enhance the heat insulation, wear resistance and corrosion resistance of the bumper shell 2 to a certain extent, improve the efficiency of the bumper shell 2 and extend its service life.

[0037] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A car bumper with a buffer function, comprising a bumper shell (2); Its features are: The outer surface of the bumper shell (2) is provided with a protective structure (9). An energy-absorbing block (1) is installed at one end of the bumper shell (2). Positioning holes (3) are evenly opened on the energy-absorbing block (1). A bumper reinforcing beam (5) is installed at one end of the energy-absorbing block (1). Pressure sensors (4) are installed on both sides of the bumper reinforcing beam (5) near the end of the energy-absorbing block (1). A buffer structure (6) is evenly provided between the bumper reinforcing beam (5) and the bumper shell (2). Energy-absorbing boxes (7) are installed on both sides of the end of the bumper reinforcing beam (5) away from the energy-absorbing block (1). An auxiliary structure (8) is provided inside the energy-absorbing box (7). The auxiliary structure (8) includes a limiting groove (84) on the inner wall of the end of the bumper reinforcing beam (5) away from the energy-absorbing block (1), an airbag (81) installed inside the energy-absorbing box (7), a connecting air pipe (83) connecting the two airbags (81) and a first air pipe (82) installed on the airbag (81), wherein the connecting air pipe (83) is located inside the limiting groove (84).

2. A car bumper with a buffer function according to claim 1, characterized in that: The positioning holes (3) are arranged at equal intervals on the energy-absorbing block (1).

3. A car bumper with a buffer function according to claim 1, characterized in that: The buffer structure (6) includes a first energy-absorbing pad (61), an energy-absorbing rod (62), a second energy-absorbing pad (63), and a buffer spring (64). The second energy-absorbing pad (63) is evenly installed on one end of the bumper reinforcing beam (5) near the energy-absorbing block (1). An energy-absorbing rod (62) is installed on one end of each of the second energy-absorbing pads (63). A buffer spring (64) is sleeved on each of the energy-absorbing rods (62). The first energy-absorbing pad (61) is installed on one end of each of the energy-absorbing rods (62).

4. A car bumper with a buffer function according to claim 3, characterized in that: One end of the buffer spring (64) is connected to the first energy-absorbing pad (61), and the buffer spring (64) and the first energy-absorbing pad (61) form a telescopic structure.

5. A car bumper with a buffer function according to claim 3, characterized in that: The inner wall of the bumper shell (2) near the energy-absorbing block (1) is provided with a slot that matches the first energy-absorbing pad (61).

6. A car bumper with a buffer function according to claim 1, characterized in that: The energy-absorbing box (7) has a hollow structure.

7. A car bumper with a buffer function according to claim 1, characterized in that: The protective structure (9) includes a heat insulation layer (91) and a wear-resistant layer (92). The heat insulation layer (91) is installed on the outer surface of the bumper shell (2), and the wear-resistant layer (92) is installed on the outer side of the heat insulation layer (91).

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