CN114261359A

CN114261359A - Automobile anti-collision box and automobile anti-collision structure

Info

Publication number: CN114261359A
Application number: CN202111440768.7A
Authority: CN
Inventors: 许栩; 李启金
Original assignee: Yixing Gaotaike Precision Machinery Co ltd
Current assignee: Yixing Gaotaike Precision Machinery Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-01

Abstract

The invention discloses an automobile anti-collision box and an automobile anti-collision structure, which comprise two anti-collision boxes, wherein the end parts of the two anti-collision boxes are detachably connected with a cross beam, one end of each anti-collision box, which is far away from the cross beam, is detachably connected with a longitudinal beam, the upper side and the lower side of each anti-collision box are respectively provided with a plurality of crumple guide grooves along the length direction, the plurality of crumple guide grooves on each side are distributed at equal intervals, the two ends of the inner side surface of the cross beam, which are positioned between the two anti-collision boxes, are fixedly connected with connecting columns, a connecting plate is welded between the two longitudinal beams, and two ends of the connecting plate are respectively provided with a connecting hole, the invention achieves the following beneficial effects that: the crumple guide groove is formed in the anti-collision box, when the anti-collision box is subjected to collision force, the anti-collision box can generate wrinkle deformation along the crumple guide groove, the stability of compression deformation is improved, the anti-collision box can stably absorb collision energy, and the buffer spring connected with the cross beam can also play a certain role in buffering collision.

Description

Automobile anti-collision box and automobile anti-collision structure

The technical field is as follows:

the invention belongs to the technical field of automobile anti-collision assemblies, and particularly relates to an automobile anti-collision box and an automobile anti-collision structure.

Background art:

the front part of the frame of the automobile consists of an anti-collision cross beam, an energy absorption box and a longitudinal beam, wherein the energy absorption box mainly plays a role in absorbing collision energy and preventing the longitudinal beam from being damaged due to overlarge collision, so that the energy absorption box is also called as the anti-collision box, is a metal hollow thin-wall part, is easy to wrinkle and deform during collision, is a good energy absorption mode, and can effectively absorb the collision energy during low-speed collision of the automobile.

Under the prior art, when the anticollision box receives the collision, produce the unstable problem of compression deformation easily for the unable steady absorption collision energy of anticollision box, the energy-absorbing effect of anticollision box reduces, leads to the longeron junction to damage easily.

The invention content is as follows:

the invention aims to solve the problems, and provides an automobile anti-collision box and an automobile anti-collision structure, which solve the problems that when the anti-collision box is collided, the compression deformation is easy to generate and unstable, so that the anti-collision box cannot stably absorb collision energy, the energy absorption effect of the anti-collision box is reduced, the connection part of a longitudinal beam is easy to damage, and the like.

In order to solve the above problems, the present invention provides a technical solution:

the utility model provides a car anticollision box, includes two anticollision boxes, two the tip of anticollision box is dismantled and is connected with the crossbeam, every the anticollision box is kept away from the one end of crossbeam and is all dismantled and be connected with the longeron, the upper and lower both sides of anticollision box have all been seted up a plurality of guiding groove that contracts along length direction, a plurality of in every side the guiding groove equidistance that contracts distributes, the inboard surface of crossbeam just is located two both ends fixedly connected with spliced poles between the anticollision box, two the welding has the connecting plate between the longeron, a connecting hole has all been seted up at the both ends of connecting plate, every the spliced pole slides respectively and runs through corresponding connecting hole, buffer spring has all been cup jointed on the surface of spliced pole, every buffer spring all is located between crossbeam and the connecting plate.

Preferably, the surface of one side of the connecting plate, which is far away from the cross beam, is detachably connected with the port end of the first connecting hole, one side of the side block opposite to the connecting plate is provided with a second connecting hole, the surface of the connecting plate and two sides of the hole opening of the first connecting hole are provided with a third connecting hole, a first bolt is in threaded connection between each second connecting hole and the corresponding third connecting hole, nuts are connected to the end portions of the first bolts in a threaded mode, arc-shaped blocks are welded to the opposite sides of each pair of the side blocks, part of the surface of each connecting column is clamped between the arc-shaped blocks, when collision occurs, the connecting column can be hindered by the friction force due to the friction force between the two arc-shaped blocks and the connecting column, so that the moving speed of the connecting column is reduced, thereby can reduce the translation rate of crossbeam, avoid assaulting too fast and lead to crashproof box shrink deformation unstability.

Preferably, the end parts of the anti-collision boxes close to the cross beam are fixedly connected, the two end parts are detachably connected to two ends of the inner side of the cross beam, the square blocks are fixedly connected to one ends of the anti-collision boxes close to the connecting plate, the butt-joint blocks are fixedly connected to one ends of the longitudinal beams close to the anti-collision boxes, each butt-joint block is detachably connected with the corresponding square block, each end block is detached from the surface of the cross beam, each square block is detached from each butt-joint block, the anti-collision boxes can be taken down and replaced, the anti-collision boxes can be detached and replaced independently, other parts do not need to be integrally replaced, and replacement cost is saved.

Preferably, the inboard mid-mounting of crossbeam has pressure sensor, the cotton pad of one side mid-mounting of the relative crossbeam of connecting plate has the bubble, pressure sensor is relative with the middle part of the cotton pad of bubble, pressure sensor and auttombilism room's display terminal electric connection, when the crossbeam receives the striking, the pressure sensor of surveying in it can detect the striking pressure value to transmit the display terminal to the driver's cabin, make the striking pressure size that knows the crossbeam and receive that the driver can be clear, and the driver can be at the compression deformation degree of the crashproof box of collision back inspection, thereby predict the bearable pressure size of this crashproof box, when needing to change the crashproof box, the accessible predicts the crashproof box of different specification parameters of result change.

Preferably, the welding of one side middle part of the cotton pad of relative bubble of connecting plate has four inserted bars, the jack has all been seted up in the four corners of the cotton pad of bubble, every the inserted bar all pegs graft to corresponding jack in, the external screw thread has all been seted up to the tip of inserted bar, the tip of inserted bar all has the spiral shell lid through external screw thread threaded connection, and the cotton pad of bubble can play the guard action, avoids pressure sensor and connecting plate contact to produce wearing and tearing, through four spiral shell lids of rotatory pull-down, can follow four inserted bars and pull out the cotton pad of bubble and change, keeps the protective effect of the cotton pad of bubble.

Preferably, four connecting holes four times have been seted up to every end block relatively in the inboard both ends of crossbeam, every equal threaded connection has No. two bolts between four corners of end block and the four connecting holes four times relatively, five connecting holes have all been seted up in the four corners of square piece, every equal threaded connection has No. three bolts between four five connecting holes of square piece and the relative butt joint piece four corners, when dismantling the end block junction, only need dismantle four No. two bolts in every end block four corners, can make the end block lose fixedly, when dismantling the square piece junction, only need dismantle four No. three bolts of every square piece four corners junction, can make square piece lose fixedly, can follow and take out two anticollision boxes between crossbeam and the longeron after that.

Preferably, every to the opposite side of arc piece all glue and be connected with laminating rubber pad, every to the inboard of laminating rubber pad is laminated corresponding spliced pole surface both sides respectively, and laminating rubber pad is owing to have elasticity, and when every to laminating rubber pad by every to the arc piece when pressing from both sides the surface at the spliced pole, laminating rubber pad can be inseparable laminating on the surface of spliced pole, and then improves the laminating degree on arc piece and spliced pole surface, improves every to the frictional force on arc piece and spliced pole surface.

Preferably, the orifice end of the side block opposite to the third connecting hole is provided with a gasket, each gasket is clamped between the surface of the connecting plate and the surface of the side block, the middle of each gasket is provided with a through hole, each bolt penetrates through the through hole of the corresponding gasket, and the gasket is clamped between the surface of the connecting plate and the side block, so that the connecting part of the connecting plate and the side block is more compact.

Preferably, the mounting holes have all been seted up in pressure sensor's four corners, equal threaded connection has No. four bolts between pressure sensor's four corners mounting hole and the crossbeam, when needing to change pressure sensor, dismantles the No. four bolts in four corners and can take off pressure sensor and change.

The invention also provides an automobile anti-collision structure, which comprises an integrated frame formed by the cross beam and the longitudinal beam, wherein the automobile anti-collision boxes according to any technical scheme are arranged between the two ends of the inner side of the cross beam and the end part of the longitudinal beam, the two anti-collision boxes are arranged on the two sides of the integrated frame formed by the cross beam and the longitudinal beam, and can stably absorb collision energy and prevent the longitudinal beam from being damaged by collision.

The beneficial effects of the invention include:

1. the crumple guide groove is formed in the anti-collision box, when the anti-collision box is subjected to collision force, the anti-collision box can generate wrinkle deformation along the crumple guide groove, the stability of compression deformation is improved, the anti-collision box can stably absorb collision energy, the buffer spring connected with the cross beam can also play a certain role in buffering collision, the collision force can be effectively reduced through the matching of the buffering effect of the buffer spring and the energy absorption effect of the anti-collision box, and the possibility of damage to the connection part of the longitudinal beam is reduced.

2. The anti-collision box is provided with the arc-shaped blocks, when the anti-collision box is collided, the connecting column can be hindered by friction force when moving due to the friction force between the two arc-shaped blocks and the connecting column, so that the moving speed of the connecting column is reduced, the moving speed of the cross beam can be reduced, and the phenomenon that the anti-collision box is unstable in shrinkage deformation due to too high impact is avoided.

3. The anti-collision box is detachable, and can be detached independently for replacement after being impacted, compressed and deformed, so that other parts do not need to be replaced integrally, and the replacement cost is saved.

4. The anti-collision box is provided with the pressure sensor, the pressure sensor can detect the impact pressure value, a driver can estimate the bearable pressure of the anti-collision box through the compression deformation degree of the anti-collision box after collision, when the anti-collision box needs to be replaced, the anti-collision boxes with different specification parameters can be replaced through the estimation result, the foam pad 23 is arranged on the opposite side of the pressure sensor, the protection effect can be achieved, and the pressure sensor 22 is prevented from being in contact with the connecting plate 6 to generate abrasion.

5. The anti-collision box is provided with the integrated frame formed by the cross beam and the longitudinal beam, the anti-collision boxes are arranged on two sides of the integrated frame formed by the cross beam and the longitudinal beam, and the two anti-collision boxes can stably absorb collision energy and prevent the longitudinal beam from being damaged by collision.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

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

FIG. 2 is a schematic view of the present invention in a partially disassembled configuration;

FIG. 3 is a schematic illustration of a partial explosion configuration of the present invention;

FIG. 4 is a schematic view of the structure of the joint of the connecting column of the present invention;

FIG. 5 is a schematic structural view of the connection between the connection plate and the foam pad of the present invention;

fig. 6 is a schematic structural view of the crash box of the present invention.

In the figure: 1. an anti-collision box; 2. a cross beam; 3. a stringer; 4. a collapsing guide groove; 5. connecting columns; 6. a connecting plate; 7. a buffer spring; 8. a first connecting hole; 9. a side block; 10. a first bolt; 11. an arc-shaped block; 12. attaching a rubber pad; 13. a gasket; 14. a second connecting hole; 15. a third connecting hole; 16. an end-block; 17. a second bolt; 18. a square block; 19. a butt joint block; 20. a third bolt; 21. a fourth connecting hole; 22. a pressure sensor; 23. soaking a cotton pad; 24. a jack; 25. inserting a rod; 26. an external thread; 27. a screw cap; 28. a nut; 29. a fifth connecting hole; 30. and a fourth bolt.

The specific implementation mode is as follows:

in the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.

Example 1

As shown in fig. 1-2, an automobile anti-collision box and automobile anti-collision structure, including two anti-collision box 1, the tip of two anti-collision box 1 is dismantled and is connected with crossbeam 2, every anti-collision box 1 keeps away from crossbeam 2's one end and all dismantles and is connected with longeron 3, the upper and lower both sides of anti-collision box 1 have all seted up a plurality of guiding groove 4 that bursts along length direction, the guiding groove 4 equidistance that bursts that contracts of a plurality of every side distributes, crossbeam 2's inboard surface just is located two both ends fixedly connected with spliced pole 5 between two anti-collision box 1, the welding has connecting plate 6 between two longerons 3, connecting hole 8 has all been seted up at the both ends of connecting plate 6, every spliced pole 5 slides respectively and runs through corresponding connecting hole 8, buffer spring 7 has all been cup jointed on the surface of spliced pole 5, every buffer spring 7 all is located between crossbeam 2 and the connecting plate 6.

Among the prior art, when the anticollision box received the collision, produce the unstable problem of compression deformation easily for the unable steady absorption collision energy of anticollision box, the energy-absorbing effect of anticollision box reduces, leads to the longeron junction to damage easily.

In this embodiment, when the beam 2 is collided, the collision force is transmitted to the two crash boxes 1, the crash boxes 1 will be wrinkled and deformed, the wrinkling and deformation is a good energy-absorbing method, which can effectively absorb the collision energy and prevent the connected longitudinal beam 3 from being damaged by the excessive collision force, and the upper and lower sides of the crash boxes 1 are both provided with a plurality of crumple guide grooves 4, when the crash boxes 1 are collided, the crash boxes 1 will be wrinkled and deformed along the crumple guide grooves 4, thereby improving the stability of the compression deformation and enabling the crash boxes 1 to stably absorb the collision energy, meanwhile, when the crash boxes 1 are wrinkled and compressed, the beam 2 is also driven to move a certain distance towards the longitudinal beam 3, the two connecting posts 5 move along with the same, so that the buffer springs 7 on the connecting posts 5 are squeezed, and when the collision is transmitted to the buffer springs 7, the buffer springs 7 can also play a certain role of buffering collision, the buffering effect of the buffering spring 7 is matched with the energy absorption effect of the anti-collision box 1, so that the collision force can be effectively reduced, and the possibility of damage to the joint of the longitudinal beam 3 is reduced.

Example 2

Referring to fig. 2-4, a further improvement is made on the basis of embodiment 1:

in order to reduce crossbeam 2's translation rate when receiving the collision, avoid impacting too fast and lead to crashproof box 1 shrink deformation unstability, crossbeam 2 was kept away from to connecting plate 6 a side surface and the orifice end that is located a connecting hole 8 all dismantles and is connected with side piece 9, No. two connecting holes 14 have all been seted up to one side of the relative connecting plate 6 of side piece 9, No. three connecting holes 15 have all been seted up to connecting plate 6 the surface and the orifice both sides that are located a connecting hole 8, equal threaded connection has a bolt 10 between every No. two connecting holes 14 and the relative No. three connecting holes 15, the equal threaded connection of tip of a bolt 10 has nut 28, arc piece 11 has all been welded to every opposite side to side piece 9, the partial surface clamp of every spliced pole 5 fits between a pair of arc piece 11.

In this embodiment, the both sides clamp of spliced pole 5 is in between two arc pieces 11, frictional force has between two arc pieces 11 and the spliced pole 5, when crossbeam 2 received the collision and drive spliced pole 5 and remove, because frictional force between two arc pieces 11 and the spliced pole 5, can make spliced pole 5 receive the hindrance of frictional force, make its translation rate reduce, thereby can reduce crossbeam 2's translation rate, avoid strikeing the too fast 1 shrink deformation instability that leads to anticollision box, and when arc piece 11 received great wearing and tearing need change, can dismantle every bolt 10, make every side piece 9 lose fixedly, can take off and change with side piece 9 fixed connection's arc piece 11.

In order to improve the attaching degree of the arc-shaped blocks 11 and the surfaces of the connecting columns 5, the opposite sides of each pair of arc-shaped blocks 11 are connected with attaching rubber pads 12 in an adhesive mode, and the inner sides of each pair of attaching rubber pads 12 are respectively attached to the two sides of the surfaces of the corresponding connecting columns 5.

In this embodiment, because of having elasticity, when every pair of laminating rubber pads 12 is pressed from both sides when the surface at spliced pole 5 to every pair of arc piece 11, laminating rubber pads 12 can be inseparable laminating on spliced pole 5's surface, and then improves the laminating degree on arc piece 11 and spliced pole 5 surface, improves every pair of arc piece 11 and spliced pole 5 surface frictional force.

In order to ensure the stability of the joint of the side blocks 9, gaskets 13 are arranged at the end of the hole opening of the third connecting hole 15 opposite to the side block 9, each gasket 13 is clamped between the surface of the connecting plate 6 and the surface of the side block 9, through holes are formed in the middle of each gasket 13, and each first bolt 10 penetrates through the through hole of the corresponding gasket 13.

In the embodiment, the side block 9 is fixed on the connecting plate 6 through the first bolt 10, and the joint of the first bolt 10 is padded with the gasket 13, and the gasket 13 is clamped between the surface of the connecting plate 6 and the side block 9, so that the joint of the connecting plate 6 and the side block 9 can be more compact.

Example 3

Please refer to fig. 1, fig. 3 and fig. 6, which are further improved based on the embodiment 1:

in order to replace the anti-collision box 1 when the anti-collision box is damaged, the anti-collision box 1 is close to the end block 16 fixedly connected to one end of the cross beam 2, the two end blocks 16 are detachably connected to two ends of the inner side of the cross beam 2, the anti-collision box 1 is close to the square block 18 fixedly connected to one end of the connecting plate 6, the longitudinal beam 3 is close to the butt-joint block 19 fixedly connected to one end of the anti-collision box 1, and each butt-joint block 19 is detachably connected with the corresponding square block 18.

In the embodiment, when the crash box 1 is subjected to impact compression deformation and needs to be replaced, each end block 16 is detached from the surface of the cross beam 2, and each square block 18 is detached from the butt joint block 19, so that the crash box 1 can be taken down for replacement, and therefore the crash box 1 can be detached alone for replacement without integrally replacing other parts, and the replacement cost is saved.

In order to facilitate the detachment of the joint of the end block 16 and the square block 18, four fourth connecting holes 21 are formed in two ends of the inner side of the cross beam 2 opposite to each end block 16, a second bolt 17 is in threaded connection between four corners of each end block 16 and the corresponding fourth connecting hole 21, a fifth connecting hole 29 is formed in each four corners of the square block 18, and a third bolt 20 is in threaded connection between the four fifth connecting holes 29 of each square block 18 and four corners of the corresponding butt joint block 19.

In this embodiment, when dismantling the end block 16 junction, only need dismantle four No. two bolts 17 in every end block 16 four corners, can make end block 16 lose fixedly, when dismantling the square block 18 junction, only need dismantle four No. three bolts 20 in every square block 18 four corners junction, can make square block 18 lose fixedly, can follow and take out two anticollision boxes 1 between crossbeam 2 and longeron 3 afterwards.

Example 4

Referring to fig. 1 and fig. 5, a further improvement is made on the basis of embodiment 1:

in order to detect the pressure of the impact conveniently and obtain bearable pressure data of the anti-collision box 1, the pressure sensor 22 is installed in the middle of the inner side of the cross beam 2, the foam pad 23 is installed in the middle of one side, opposite to the cross beam 2, of the connecting plate 6, the pressure sensor 22 is opposite to the middle of the foam pad 23, and the pressure sensor 22 is electrically connected with a display terminal of an automobile cab.

In this embodiment, when crossbeam 2 received the striking, the pressure sensor 22 of its inboard survey can detect the striking pressure value to transmit the display terminal to the driver's cabin, make the driver can be clear know the striking pressure size that crossbeam 2 received, and the driver can inspect the compression deformation degree of anticollision box 1 after the collision, thereby predict the bearable pressure size of this anticollision box 1, when needing to change anticollision box 1, the anticollision box 1 of different specification parameters is changed to the accessible prediction result.

In a further embodiment, when the cross beam 2 is collided to move, the pressure sensor 22 is driven to move towards the connecting plate 6, and the foam pad 23 can play a protection role to prevent the pressure sensor 22 from being in contact with the connecting plate 6 to cause abrasion.

In order to change the cotton pad 23 of bubble in order to make things convenient for, the welding of one side middle part of the cotton pad 23 of the relative bubble of connecting plate 6 has four inserted bars 25, and jack 24 has all been seted up at the four corners of the cotton pad 23 of bubble, and every inserted bar 25 all pegs graft to corresponding jack 24 in, and external screw thread 26 has all been seted up to the tip of inserted bar 25, and the tip of inserted bar 25 all has screw cap 27 through external screw thread 26 threaded connection.

In this embodiment, the foam pad 23 can be pulled out from the four insertion rods 25 by rotating and removing the four screw caps 27, and the protection effect of the foam pad 23 can be maintained.

In order to facilitate the overhaul of the pressure sensor 22, the four corners of the pressure sensor 22 are provided with mounting holes, and four bolts 30 are connected between the four corner mounting holes of the pressure sensor 22 and the beam 2 in a threaded manner.

In this embodiment, when the pressure sensor 22 needs to be replaced, the four-pointed bolts 30 are removed, and the pressure sensor 22 can be removed and replaced.

Example 5

Referring to fig. 1, a further improvement is made on the basis of embodiment 1:

the embodiment of the invention also provides an automobile anti-collision structure, which comprises an integrated frame formed by the cross beam 2 and the longitudinal beam 3, wherein the automobile anti-collision box of any one of the embodiments is arranged between the two ends of the inner side of the cross beam 2 and the end part of the longitudinal beam 3, and the automobile anti-collision boxes used in the automobile anti-collision structure of the embodiment are the same as the automobile anti-collision boxes provided in the embodiments of the automobile anti-collision boxes, so that the two anti-collision boxes can solve the same technical problem and achieve the same expected effect, and in addition, the two anti-collision boxes 1 are arranged on the two sides of the integrated frame formed by the cross beam 2 and the longitudinal beam 3, so that the two anti-collision boxes 1 can stably absorb the collision energy and prevent the longitudinal beam 3 from being damaged by collision.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. The automobile anti-collision box comprises two anti-collision boxes (1), and is characterized in that the end parts of the two anti-collision boxes (1) are connected with a cross beam (2) in a detachable manner, one end, far away from the cross beam (2), of each anti-collision box (1) is connected with a longitudinal beam (3) in a detachable manner, a plurality of crumple guide grooves (4) are formed in the upper side and the lower side of each anti-collision box (1) along the length direction, the crumple guide grooves (4) in each side are distributed in an equidistant manner, connecting columns (5) are fixedly connected to the inner side surfaces of the cross beam (2) and are positioned between the two anti-collision boxes (1), a connecting plate (6) is welded between the two longitudinal beams (3), connecting holes (8) are formed in the two ends of the connecting plate (6), each connecting column (5) penetrates through the corresponding connecting hole (8) in a sliding manner respectively, and a buffer spring (7) is sleeved on the surface of each connecting column (5), each buffer spring (7) is positioned between the cross beam (2) and the connecting plate (6).

2. The automobile crash box according to claim 1, wherein: the utility model discloses a side piece of connecting plate (6) is kept away from crossbeam (2) and is located the drill way end of connecting hole (8) and all dismantles and be connected with side piece (9), No. two connecting holes (14) have all been seted up to one side of connecting plate (6) relative side piece (9), No. three connecting holes (15) have all been seted up to the drill way both sides that connecting plate (6) surface just is located connecting hole (8), every equal threaded connection has a bolt (10) between No. two connecting holes (14) and No. three connecting holes (15) relative, the equal threaded connection of tip of a bolt (10) has nut (28), and is every right arc piece (11), every arc piece (11) have all been welded to the opposite side of side piece (9), every the partial surface clamp of spliced pole (5) fits between a pair of arc piece (11).

3. The automobile crash box according to claim 1, wherein: the anti-collision box is characterized in that end blocks (16) are fixedly connected to one ends, close to the cross beam (2), of the anti-collision boxes (1), the two end blocks (16) are detachably connected to two ends of the inner side of the cross beam (2), square blocks (18) are fixedly connected to one ends, close to the connecting plate (6), of the anti-collision boxes (1), butt-joint blocks (19) are fixedly connected to one ends, close to the anti-collision boxes (1), of the longitudinal beams (3), and each butt-joint block (19) is detachably connected with the corresponding square block (18).

4. The automobile crash box according to claim 1, wherein: the inboard mid-mounting of crossbeam (2) has pressure sensor (22), one side mid-mounting of crossbeam (2) is relative in connecting plate (6) has the cotton pad of bubble (23), pressure sensor (22) are relative with the middle part of the cotton pad of bubble (23), pressure sensor (22) and auttombilism room's display terminal electric connection.

5. The crash box of claim 4, wherein: the welding of one side middle part of the cotton pad (23) of relative bubble of connecting plate (6) has four inserted bars (25), jack (24), every have all been seted up in the four corners of the cotton pad of bubble (23) inserted bar (25) are all pegged graft to corresponding jack (24) in, external screw thread (26) have all been seted up to the tip of inserted bar (25), the tip of inserted bar (25) all has spiral shell lid (27) through external screw thread (26) threaded connection.

6. The crash box of claim 3, wherein: four connecting holes (21) are formed in two ends of the inner side of the cross beam (2) and opposite to each end block (16), two bolts (17) are connected between four corners of each end block (16) and the corresponding connecting holes (21) in a threaded mode, five connecting holes (29) are formed in four corners of each square block (18), and three bolts (20) are connected between the four connecting holes (29) of each square block (18) and four corners of the corresponding butt-joint block (19) in a threaded mode.

7. The crash box of claim 2, wherein: the opposite sides of each pair of arc-shaped blocks (11) are all connected with a bonding rubber pad (12) in an adhesive mode, and the inner sides of each pair of bonding rubber pads (12) are respectively bonded with the two sides of the surfaces of the corresponding connecting columns (5).

8. The crash box of claim 2, wherein: no. three connecting holes (15) are all provided with gasket (13) relative to the orifice end of side piece (9), every gasket (13) all clamp in between connecting plate (6) surface and side piece (9) surface, the through-hole has all been seted up at the middle part of gasket (13), every bolt (10) all run through the through-hole of corresponding gasket (13).

9. The crash box of claim 4, wherein: mounting holes are formed in four corners of the pressure sensor (22), and four bolts (30) are connected between the four corner mounting holes of the pressure sensor (22) and the cross beam (2) in a threaded mode.

10. An automobile anti-collision structure is characterized in that: the automobile anti-collision box comprises an integrated frame formed by a cross beam (2) and a longitudinal beam (3), wherein the automobile anti-collision box is installed between two inner ends of the cross beam (2) and the end part of the longitudinal beam (3).