CN118269874A - Anti-collision protection structure of automobile front bumper assembly - Google Patents

Abstract

The invention belongs to the technical field of automobile bumpers, in particular to an anti-collision protection structure of an automobile front bumper assembly, which comprises a front bumper body, wherein inserting rods are arranged on two sides of the rear surface of the front bumper body, clamping seats are arranged on the surfaces of the inserting rods, the inserting rods and the clamping seats are used for being inserted into the front of the automobile body, protection plates are arranged in the middle of the rear surface of the front bumper body through two side plates, gaps are reserved between the protection plates and the front bumper body, and a protection mechanism is arranged on the surface of each protection plate; the front bumper body is installed in front of an automobile through the inserting rod and the clamping seat; can play support and guard action between front bumper and the car body of car, simultaneously through the effect of protection machanism, can play self-adaptation protection and cushioning effect when the little collision that takes place to the car and violent collision, protect driver and car body's safety to a great extent, it is more convenient and safe to use.

Description

Anti-collision protection structure of automobile front bumper assembly

Technical Field

The invention belongs to the technical field of automobile bumpers, and particularly relates to an anti-collision protection structure of an automobile front bumper assembly.

Background

With the development of the automobile industry, an automobile bumper is an important safety device, and is an innovative road, and an integrated steel or aluminum alloy bumper is good in safety performance for automobiles, but serious in pedestrian injury, so that the existing automobile bumper has the original protection function, and harmony and unification with the body shape and light weight are required; and the composite material is used, so that the application performance is expanded.

The front end of the automobile comprises structural components such as a front end shell, an anti-collision beam and the like, and a multilayer structure of composite materials is adopted in order to achieve attractive and elegant decoration and passive safety performance of collapse energy absorption.

There is not buffer structure between traditional car bumper and the automobile body, in the bumper bearing structure in the past moreover, the effect that can play only is fastening connection support, and the effect is comparatively single, when taking place great striking, the inside bearing structure's of bumper damage can lead to the locomotive position to appear more serious damage condition.

Therefore, the invention provides an anti-collision protection structure of an automobile front bumper assembly.

Disclosure of Invention

In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.

The technical scheme adopted for solving the technical problems is as follows: the invention relates to an anti-collision protection structure of an automobile front bumper assembly, which comprises a front bumper body, wherein inserting rods are arranged on two sides of the rear surface of the front bumper body, clamping seats are arranged on the surfaces of the inserting rods, the inserting rods and the clamping seats are used for being inserted into the front of the automobile body, protection plates are arranged in the middle of the rear surface of the front bumper body through two side plates, gaps are reserved between the protection plates and the front bumper body, and a protection mechanism is arranged on the surfaces of the protection plates and used for reducing damage to the automobile front bumper during collision; the front bumper body is installed in front of the automobile through the inserting rod and the clamping seat, the installation mode is the prior art, and redundant description is omitted in the embodiment; through the setting of guard plate, can play support and guard action between car front bumper and car body, simultaneously through the effect of protection machanism, can play self-adaptation protection and cushioning effect when the little collision and violent collision that take place to the car, protected driver and car body's safety in the very big degree, it is more convenient and safe to use.

Preferably, the two sides of the rear surface of the protection plate are provided with assembly blocks, the surfaces of the assembly blocks are provided with mounting grooves, the two assembly blocks are symmetrically arranged at the edges of the two sides of the protection plate, and the assembly blocks are L-shaped; during operation, two assembly blocks are arranged on the rear surface of the protection plate, so that the front bumper body and the protection plate can be quickly and conveniently installed in front of the automobile.

Preferably, the protection mechanism comprises a plurality of round tubes arranged on the rear surface of the protection plate, each round tube is internally provided with a pressing column in a sliding manner, the outer surface of each pressing column is sleeved with a buffer spring, one end of each buffer spring is connected with the inner wall of the round tube, the other end of each buffer spring is connected with the outer surface of the corresponding pressing column, one end of each pressing column, far away from the round tube, is contacted with the automobile body, and the rear surface of the protection plate is provided with a buffer mechanism which is used for realizing maximum buffer on the front bumper body when the front bumper body is impacted greatly; the front end of the front bumper body is arranged behind the front end of the automobile body, and the end part of the pressing column is contacted with the front end of the automobile body; when the front bumper body touches the obstacle, the front bumper body is impacted and can compress the round tube, so that the compression column and the buffer spring inside the round tube can move left and right in a certain range, and under the action of the compression columns and the buffer spring, the front bumper body can be given certain protection after being impacted less, and the problem that the front bumper body is damaged is reduced.

Preferably, the buffer mechanism comprises a connecting frame arranged between adjacent round pipes, a limiting frame is arranged on one side, far away from the round pipes, of the connecting frame, two limiting frames are respectively arranged on two sides of the protection plate, limiting columns are slidably arranged in the limiting frames, one ends of the limiting columns are connected with the surface of the protection plate, the other ends of the limiting columns are in contact with the automobile body, a plurality of first damping blocks are arranged on the upper surface and the lower surface of each limiting column, a plurality of second damping blocks are arranged on the inner wall of each limiting frame, and the first damping blocks and the second damping blocks are in one-to-one correspondence; when the front bumper body receives great striking, the guard plate in the front bumper body can receive the impact, because the tip and the guard plate side contact of spacing post, so the guard plate can drive spacing post and the first damping piece on its surface and be the removal of certain distance when the atress, because under the intermeshing of first damping piece and second damping piece, both can further cushion the front bumper body when receiving the striking, can realize dual protection effect when receiving the striking to the front bumper body under the interact of above-mentioned pipe and compression leg, built a safe driving environment of driver.

Preferably, the first damping blocks and the second damping blocks are conical, the first damping blocks and the second damping blocks are made of rubber, a plurality of the first damping blocks are respectively arranged between the adjacent second damping blocks, and friction balls are arranged on the surfaces of the first damping blocks and the second damping blocks; the first damping blocks and the second damping blocks are adjacently arranged, when the limiting column moves in a certain amplitude, the limiting column can drive the first damping blocks on the surface of the limiting column to move, then the second damping blocks block the first damping blocks, and the first damping blocks and the second damping blocks are made of rubber, so that the limiting column and the protection plate can be buffered to a certain extent conveniently, and further the driver and the automobile can be protected conveniently.

Preferably, two limit grooves are formed in the limit frame, the upper side and the lower side of the limit column are slidably arranged in the limit grooves through slide bars, and the shape of the slide bars is matched with the shape of the limit grooves; when the limiting column moves under the impact force during operation, the limiting column drives the sliding rod to move in the limiting groove simultaneously, and the first damping block and the second damping block can be conveniently attached to each other and buffered under the mutual limiting of the sliding rod and the limiting groove.

Preferably, one side of each limit frame is provided with an annular bag plate, each annular bag plate is internally provided with a buffer air bag, and the surface of each buffer air bag is respectively contacted with the side surface of the protection plate and the front end machine cavity surface of the automobile; during operation, the buffer air bag is arranged, so that the protection plate and the front bumper body can be further protected, and the safety of the front bumper body during use is ensured.

Preferably, the buffer air bags are arranged at two sides of the protection plate, each buffer air bag is filled with ammonium nitrate and sodium azide, and when the automobile front bumper is impacted violently, the protection plate is impacted violently and is conveyed into the buffer air bags, and ammonium nitrate and sodium azide substances in the buffer air bags can be decomposed rapidly to generate a large amount of gas to fill the air bags. The sodium nitride is decomposed to generate nitrogen and solid sodium, and the ammonium nitrate is used as an oxidant to participate, namely, the buffer air bag is expanded and arranged between the protection plate and the front machine cavity of the automobile, so that the driving safety of a driver is further protected, and the engine in the front machine cavity of the automobile can be protected, so that the use is more convenient and safe.

Preferably, a blocking frame is arranged on the outer surface of the limiting column, and the blocking frame is arranged between the protection plate and the buffer air bag; during operation, set up the separation frame, can play certain separation effect between guard plate and buffering gasbag, avoid the guard plate when receiving less striking, lead to the problem that the decomposition reaction appears in the inside material of buffering gasbag of its one side, make things convenient for this car bumper to the striking dynamics and self-adaptation buffering and protection.

Preferably, the outer surface of the front bumper body is provided with a plurality of bolt grooves for mounting the front bumper body to the front surface of the automobile.

The beneficial effects of the invention are as follows:

1. According to the anti-collision protection structure of the automobile front bumper assembly, when the protection plate is stressed, the protection plate can drive the limiting column and the first damping block on the surface of the limiting column to move at a certain distance, and the first damping block and the second damping block are meshed with each other to further buffer the front bumper body when the front bumper body is impacted, so that double protection effects can be achieved on the front bumper body when the front bumper body is impacted under the interaction of the round tube and the pressing column, and a safe driving environment for a driver is created.

2. According to the anti-collision protection structure of the automobile front bumper assembly, after the automobile front bumper is impacted violently, the protection plate is impacted violently and is transmitted into the buffer air bag, and ammonium nitrate and sodium azide substances in the buffer air bag can be rapidly decomposed to generate a large amount of gas to fill the air bag. The sodium nitride is decomposed to generate nitrogen and solid sodium, and the ammonium nitrate is used as an oxidant to participate, namely, the buffer air bag is expanded and arranged between the protection plate and the front machine cavity of the automobile, so that the driving safety of a driver is further protected, and the engine in the front machine cavity of the automobile can be protected, so that the use is more convenient and safe.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of a portion of the structure of the bayonet of the present invention;

FIG. 3 is a schematic view of a portion of a fender according to the invention;

FIG. 4 is a schematic view of a circular tube part structure in the invention;

FIG. 5 is an enlarged view of the structure of FIG. 4 at A in accordance with the present invention;

FIG. 6 is a schematic view of a portion of the structure of a cushion bladder according to the present invention;

FIG. 7 is an enlarged view of the structure at B of FIG. 6 in accordance with the present invention;

Fig. 8 is a schematic view of a barrier frame structure in the present invention.

In the figure: 1. a front bumper body; 2. penetrating the inserting rod; 3. a clamping seat; 4. a protection plate; 5. a mounting block; 501. a mounting groove; 6. a round tube; 601. pressing a column; 7. a buffer spring; 8. a connecting frame; 9. a limit frame; 10. a limit column; 11. a first damping block; 12. a second damping block; 13. a limit groove; 14. an annular bladder plate; 15. a buffer air bag; 16. and a blocking frame.

Detailed Description

The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

As shown in fig. 1 to 4, the anti-collision protection structure of an automobile front bumper assembly according to the embodiment of the invention comprises a front bumper body 1, wherein insertion rods 2 are arranged on two sides of the rear surface of the front bumper body 1, clamping seats 3 are arranged on the surfaces of the insertion rods 2, the insertion rods 2 and the clamping seats 3 are used for being inserted into the front of the front bumper body 1, a protection plate 4 is arranged in the middle of the rear surface of the front bumper body 1 through two side plates, a gap is reserved between the protection plate 4 and the front bumper body 1, and a protection mechanism is arranged on the surface of the protection plate 4 and used for reducing damage to the automobile front bumper during collision;

During operation, the front bumper body 1 is installed in front of an automobile through the penetrating rod 2 and the clamping seat 3, the installation mode is the prior art, and redundant description is omitted in the embodiment; through the setting of guard plate 4, can play support and guard action between car front bumper and car body, simultaneously through the effect of protection machanism, can play self-adaptation protection and cushioning effect when the little collision and violent collision that take place to the car, protected driver and car body's safety to a great extent, it is more convenient and safe to use.

The two sides of the rear surface of the protection plate 4 are provided with assembly blocks 5, the surface of the assembly blocks 5 is provided with an installation groove 501, the two assembly blocks 5 are symmetrically arranged at the edges of the two sides of the protection plate 4, and the assembly blocks 5 are L-shaped; during operation, two assembly blocks 5 are arranged on the rear surface of the protection plate 4, so that the front bumper body 1 and the protection plate 4 can be quickly and conveniently installed in front of a car.

As shown in fig. 2 to 8, the protection mechanism includes a plurality of round tubes 6 mounted on the rear surface of the protection plate 4, a compression column 601 is slidably mounted inside each round tube 6, a buffer spring 7 is sleeved on the outer surface of each compression column 601, one end of the buffer spring 7 is connected with the inner wall of the round tube 6, the other end of the buffer spring is connected with the outer surface of the compression column 601, one end of the compression column 601 far away from the round tube 6 is in contact with the automobile body, and the rear surface of the protection plate 4 is provided with a buffer mechanism for realizing maximum buffer on the front bumper body 1 when the front bumper body 1 is impacted greatly;

When the front bumper body 1 is installed at the front end of the automobile body, the end part of the compression column 601 is contacted with the front end of the automobile body; when the front bumper body 1 touches the obstacle, the front bumper body 1 is impacted and can compress the round tube 6, so that the compression column 601 and the buffer spring 7 inside the round tube 6 can move left and right in a certain range, and under the action of the compression columns 601 and the buffer springs 7, the front bumper body 1 can be given certain protection after being impacted less, and the damage problem of the front bumper body 1 is reduced.

As shown in fig. 3 to 7, the buffer mechanism comprises a connecting frame 8 installed between adjacent round pipes 6, a limiting frame 9 is installed on one side, far away from the round pipes 6, of the connecting frame 8, two limiting frames 9 are arranged and are respectively arranged on two sides of a protection plate 4, limiting columns 10 are slidably installed in the limiting frames 9, one ends of the limiting columns 10 are connected with the surface of the protection plate 4, the other ends of the limiting columns are in contact with an automobile body, a plurality of first damping blocks 11 are installed on the upper surface and the lower surface of each limiting column 10, a plurality of second damping blocks 12 are installed on the inner wall of each limiting frame 9, and the first damping blocks 11 and the second damping blocks 12 are in one-to-one correspondence;

During operation, when the front bumper body 1 is impacted greatly, the protection plate 4 in the front bumper body 1 can be impacted, and because the end part of the limiting column 10 is contacted with the side surface of the protection plate 4, the protection plate 4 can drive the limiting column 10 and the first damping block 11 on the surface of the limiting column to move at a certain distance when the protection plate 4 is stressed, and because the first damping block 11 and the second damping block 12 are meshed with each other, the first damping block 11 and the second damping block 12 can further buffer the front bumper body 1 when being impacted, and under the interaction of the circular tube 6 and the pressing column 601, the double protection effect can be realized on the front bumper body 1 when being impacted, and a safe driving environment for a driver is created.

The shapes of the first damping blocks 11 and the second damping blocks 12 are conical, the materials of the first damping blocks 11 and the second damping blocks 12 are rubber, a plurality of the first damping blocks 11 are respectively arranged between the adjacent second damping blocks 12, and friction balls are arranged on the surfaces of the first damping blocks 11 and the second damping blocks 12;

When the damping device works, referring to fig. 4 and 8, the first damping blocks 11 and the second damping blocks 12 are adjacently arranged, when the limiting column 10 moves in a certain range, the limiting column 10 can drive the first damping blocks 11 on the surface to move, then the second damping blocks 12 block the first damping blocks 11, and the first damping blocks 11 and the second damping blocks 12 are made of rubber, so that the limiting column 10 and the protection plate 4 can be buffered to a certain extent conveniently, and further the driver and the automobile can be protected conveniently.

Two limit grooves 13 are formed in the limit frame 9, the upper side and the lower side of the limit column 10 are slidably arranged in the limit grooves 13 through slide bars, and the shape of the slide bars is matched with the shape of the limit grooves 13;

When the operation, when spacing post 10 receives the impact and removes, spacing post 10 can drive the slide bar simultaneously and remove in spacing groove 13, under the mutual spacing of slide bar and spacing groove 13, can make things convenient for first damping piece 11 and the mutual laminating of second damping piece 12 and cushion.

An annular bag plate 14 is arranged on one side of each limit frame 9, a buffer air bag 15 is arranged in each annular bag plate 14, and the surface of each buffer air bag 15 is respectively contacted with the side surface of the protection plate 4 and the front end machine cavity surface of the automobile; in operation, the buffer air bag 15 is arranged, so that the protection plate 4 and the front bumper body 1 can be further protected, and the safety of the front bumper body in use is ensured.

The buffer air bags 15 are arranged at two sides of the protection plate 4, and each buffer air bag 15 is filled with ammonium nitrate and sodium azide, and when the automobile front bumper is impacted violently, the protection plate 4 is impacted violently and is transmitted into the buffer air bags 15, and ammonium nitrate and sodium azide substances in the buffer air bags 15 can be decomposed rapidly to generate a large amount of gas to fill the air bags. The sodium nitride is decomposed to generate nitrogen and solid sodium, and the ammonium nitrate is taken as an oxidant to participate, namely, the buffer air bag 15 is expanded and arranged between the protection plate 4 and the front machine cavity of the automobile, so that the driving safety of a driver is further protected, and the engine in the front machine cavity of the automobile can be protected, and the use is more convenient and safer.

The outer surface of the limit post 10 is provided with a blocking frame 16, the blocking frame 16 is arranged between the protection plate 4 and the buffer air bag 15, and the outer surface of the front bumper body 1 is provided with a plurality of bolt grooves for installing the front bumper body to the front surface of an automobile; during operation, provided with separation frame 16, can play certain separation effect between guard plate 4 and buffering gasbag 15, avoid guard plate 4 when receiving less striking, lead to the problem that the decomposition reaction appears in the inside material of buffering gasbag 15 of its one side, make things convenient for this car bumper to the striking dynamics and self-adaptation buffering and protection.

During operation, the front bumper body 1 is installed in front of an automobile through the penetrating rod 2 and the clamping seat 3, the installation mode is the prior art, and redundant description is omitted in the embodiment; through the arrangement of the protection plate 4, the automobile front bumper and the automobile body can play a supporting and protecting role, and meanwhile, through the role of the protecting mechanism, the automobile front bumper can play a self-adaptive protecting and buffering role in small collision and violent collision of the automobile, so that the safety of a driver and the automobile body is greatly protected, and the automobile front bumper is more convenient and safer to use; the front bumper body 1 is arranged at the front end of the automobile body, and the end part of the compression column 601 is contacted with the front end of the automobile body; when the front bumper body 1 touches an obstacle, the front bumper body 1 is impacted to compress the round tube 6, so that the compression column 601 and the buffer spring 7 in the round tube 6 can move left and right in a certain range, and under the action of the compression columns 601 and the buffer springs 7, the front bumper body 1 can be protected to a certain extent after being impacted less, and the problem that the front bumper body 1 is damaged is reduced;

When the front bumper body 1 is impacted greatly, the protection plate 4 in the front bumper body 1 is impacted, and the end part of the limit post 10 is contacted with the side surface of the protection plate 4, so that the protection plate 4 can drive the limit post 10 and the first damping block 11 on the surface of the limit post 10 to move at a certain distance when the protection plate 4 is stressed, and the first damping block 11 and the second damping block 12 are meshed with each other to further buffer the front bumper body 1 when the front bumper body is impacted, and double protection effects can be realized on the front bumper body 1 when the front bumper body is impacted under the interaction of the circular tube 6 and the pressing post 601, so that a safe driving environment for a driver is created; the first damping blocks 11 and the second damping blocks 12 are adjacently arranged, when the limiting column 10 moves in a certain range, the limiting column 10 drives the first damping blocks 11 on the surface to move, then the second damping blocks 12 block the first damping blocks 11, and the first damping blocks 11 and the second damping blocks 12 are made of rubber, so that the limiting column 10 and the protection plate 4 can be buffered to a certain extent conveniently, and further the driver and the automobile can be protected conveniently;

When the limit column 10 moves under the impact force, the limit column 10 can simultaneously drive the slide bar to move in the limit groove 13, and the first damping block 11 and the second damping block 12 can be conveniently attached to each other and buffered under the mutual limit of the slide bar and the limit groove 13; when the front bumper of the automobile is impacted violently, the protection plate 4 is impacted violently and is transmitted into the buffer air bag 15, and ammonium nitrate and sodium azide substances in the buffer air bag 15 can be rapidly decomposed to generate a large amount of gas to fill the air bag. The sodium nitride is decomposed to generate nitrogen and solid sodium, and the ammonium nitrate is taken as an oxidant to participate, namely, the buffer air bag 15 is expanded and arranged between the protection plate 4 and the front machine cavity of the automobile, so that the driving safety of a driver is further protected, and an engine in the front machine cavity of the automobile can be protected, and the use is more convenient and safer; the separation frame 16 is arranged, a certain separation effect can be achieved between the protection plate 4 and the buffer air bag 15, the problem that the decomposition reaction of substances in the buffer air bag 15 on one side of the protection plate 4 occurs when the protection plate is impacted less is avoided, and the self-adaptive buffering and protection of the automobile bumper can be achieved according to the impact force conveniently.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. An automobile front bumper assembly anticollision protection structure, its characterized in that: including front bumper body (1), insert pole (2) are installed to the rear surface both sides of front bumper body (1), the surface mounting of inserting pole (2) has cassette (3), insert pole (2) and cassette (3) are used for interlude to front bumper body (1) the place ahead in, guard plate (4) are installed through both sides board in the rear surface middle part of front bumper body (1), leave the clearance between guard plate (4) and front bumper body (1), the surface of guard plate (4) is provided with protection machanism, and protection machanism is used for reducing the damage that front bumper received when the collision.

2. The automobile front bumper assembly anti-collision protection structure according to claim 1, wherein: the assembly blocks (5) are arranged on two sides of the rear surface of the protection plate (4), the surfaces of the assembly blocks (5) are provided with mounting grooves (501), the two assembly blocks (5) are symmetrically arranged at two side edges of the protection plate (4), and the shape of each assembly block (5) is L-shaped.

3. The automobile front bumper assembly anti-collision protection structure according to claim 2, wherein: the protection mechanism comprises a plurality of round tubes (6) arranged on the rear surface of the protection plate (4), each round tube (6) is internally provided with a pressing column (601) in a sliding mode, each outer surface of each pressing column (601) is sleeved with a buffer spring (7), one end of each buffer spring (7) is connected with the inner wall of the round tube (6), the other end of each buffer spring is connected with the outer surface of each pressing column (601), one end, far away from the round tube (6), of each pressing column (601) is in contact with an automobile body, and the rear surface of the protection plate (4) is provided with a buffer mechanism which is used for buffering the front bumper body (1) to the greatest extent when the front bumper body is impacted greatly.

4. A front bumper assembly collision protection structure according to claim 3, wherein: the buffer mechanism comprises a connecting frame (8) arranged between adjacent round pipes (6), a limiting frame (9) is arranged on one side, far away from the round pipes (6), of the connecting frame (8), two limiting frames (9) are arranged on two sides of a protection plate (4) respectively, limiting columns (10) are arranged in the limiting frames (9) in a sliding mode, one ends of the limiting columns (10) are connected with the surface of the protection plate (4), the other ends of the limiting columns are in contact with an automobile body, a plurality of first damping blocks (11) are arranged on the upper surface and the lower surface of each limiting column (10), a plurality of second damping blocks (12) are arranged on the inner wall of each limiting frame (9), and the first damping blocks (11) and the second damping blocks (12) are arranged in a one-to-one correspondence mode.

5. The automobile front bumper assembly anti-collision protection structure according to claim 4, wherein: the shape of first damping piece (11) and second damping piece (12) is the toper, the material of first damping piece (11) and second damping piece (12) is rubber, a plurality of first damping piece (11) set up respectively between adjacent second damping piece (12), the surface of first damping piece (11) and second damping piece (12) all is provided with the friction ball.

6. The automobile front bumper assembly anti-collision protection structure according to claim 4, wherein: two limit grooves (13) are formed in the limit frame (9), the upper side and the lower side of the limit column (10) are slidably mounted in the limit grooves (13) through slide bars, and the shape of the slide bars is matched with the shape of the limit grooves (13).

7. The automobile front bumper assembly anti-collision protection structure according to claim 6, wherein: an annular bag plate (14) is arranged on one side of each limiting frame (9), a buffer air bag (15) is arranged in each annular bag plate (14), and the surfaces of the buffer air bags (15) are respectively contacted with the side surfaces of the protection plates (4) and the front end machine cavity surfaces of the automobile.

8. The automotive front bumper assembly of claim 7, wherein: the buffer air bags (15) are arranged at two sides of the protection plate (4) respectively, and each buffer air bag (15) is filled with ammonium nitrate and sodium azide.

9. The automotive front bumper assembly of claim 7, wherein: the outer surface of the limiting column (10) is provided with a blocking frame (16), and the blocking frame (16) is arranged between the protection plate (4) and the buffer air bag (15).

10. The automobile front bumper assembly anti-collision protection structure according to claim 1, wherein: the outer surface of the front bumper body (1) is provided with a plurality of bolt grooves for installing the front bumper body to the front surface of an automobile.