CN217455912U - Front anti-collision beam assembly - Google Patents

Abstract

The utility model discloses a front anti-collision beam assembly, which comprises an upper front anti-collision beam and a lower front anti-collision beam which are arranged in parallel in the height direction; the transverse two ends of the upper front anti-collision beam are respectively and correspondingly connected to the vehicle body through a left energy absorption box and a right energy absorption box; the transverse two ends of the lower front anti-collision beam are respectively and correspondingly connected to the vehicle body through a left support and a right support; the horizontal two ends of the water tank lower beam are respectively and correspondingly connected with the left energy absorption box and the right energy absorption box through the left connecting assembly and the right connecting assembly; an impact structure can be provided at a low point of the force application point so that secondary injury to the pedestrian is reduced.

Description

Front anti-collision beam assembly

Technical Field

The utility model relates to an automobile parts field, concretely relates to preceding crashproof roof beam assembly.

Background

The front anti-collision beam of the automobile is a device for reducing the impact energy absorbed when the automobile is impacted, is mainly used for reducing the maintenance cost when the automobile is impacted at a medium and low speed, and can reduce the injury to personnel to a certain extent; crashproof roof beam assembly structure assembly is higher at the front longitudinal front end before the conventionality, and the stress point is likely to be drawn into the vehicle bottom to the pedestrian shank when the vehicle strikes the pedestrian, causes bigger injury.

Therefore, in order to solve the above problems, there is a need for a front impact beam assembly that can provide an impact structure at a low point of a force point so as to reduce secondary injury to pedestrians.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at overcoming the defect among the prior art, provide preceding crashproof roof beam assembly, can set up crashproof structure in the low of stress point to make reduce the secondary damage to the pedestrian.

The utility model discloses a front anti-collision beam assembly, which comprises an upper front anti-collision beam and a lower front anti-collision beam which are arranged in parallel in the height direction; the transverse two ends of the upper front anti-collision beam are respectively and correspondingly connected to the vehicle body through a left energy absorption box and a right energy absorption box; the transverse two ends of the lower front anti-collision beam are respectively and correspondingly connected to the vehicle body through a left support and a right support; still include the water tank bottom end rail, the horizontal both ends of water tank bottom end rail correspond respectively through left coupling assembling and right coupling assembling and are connected with left energy-absorbing box and right energy-absorbing box.

Furthermore, the upper front anti-collision beam is provided with a cavity which is shaped like a concave shape along the height direction.

Furthermore, a first waist-shaped hole and a second waist-shaped hole are formed in the lower front anti-collision beam, and the first waist-shaped hole and the second waist-shaped hole are transversely and correspondingly located on two sides of the transverse middle portion of the lower front anti-collision beam.

Furthermore, a plurality of function grooves are formed in the lower water tank cross beam and are arranged on the lower water tank cross beam at intervals.

Further, the left connecting assembly comprises a left support plate I and a left support plate II, and the left support plate I and the left support plate II are respectively and correspondingly arranged on the two transverse sides of the left energy absorption box;

the right connecting assembly comprises a right support plate I and a right support plate II, and the right support plate I and the right support plate II are correspondingly arranged on the two transverse sides of the right energy absorption box respectively.

Further, the left support plate I is provided with a left overlapping area I and a left bearing area I, the left support plate II is provided with a left overlapping area II and a left bearing area II, the left overlapping area I and the left overlapping area II are connected in an overlapping mode in the transverse middle of the left energy absorption box, the left bearing area I is connected to the left side of the transverse middle of the left energy absorption box, and the left bearing area II is connected to the right side of the transverse middle of the left energy absorption box;

the right side extension board I has right overlap district I and right bearing district I, right side extension board II has right overlap district II and right bearing district II, right side overlap district I and right overlap district II and overlap the horizontal middle part overlap connection at right energy-absorbing box, right side bearing district I is connected in the left side at the horizontal middle part of right energy-absorbing box, right side bearing district II is connected in the right side at the horizontal middle part of right energy-absorbing box.

Further, the root of the left support plate I is connected to the transverse left end of the lower cross beam of the water tank, the root of the left support plate I extends upwards to form a left overlapping area I, and the left overlapping area I is bent leftwards along the transverse direction and extends upwards to form a left bearing area I; the root of the left support plate II is connected to the transverse left end of the lower cross beam of the water tank, the root of the left support plate II extends upwards to form a left overlapping area II, and the left overlapping area II is bent rightwards along the transverse direction and extends upwards to form a left bearing area II;

the root of the right support plate I is connected to the transverse right end of the lower cross beam of the water tank, the root of the right support plate I extends upwards to form a right overlapping area I, and the right overlapping area I is bent leftwards along the transverse direction and extends upwards to form a right bearing area I; the root of the right support plate II is connected to the transverse right end of the lower cross beam of the water tank, the root of the right support plate II extends upwards to form a right overlapping area II, and the right overlapping area II is bent rightwards in the transverse direction and extends upwards to form a right bearing area II.

Furthermore, the upper front anti-collision beam is positioned at the top of the lower front anti-collision beam, and the two transverse ends of the lower front anti-collision beam transversely protrude out of the two transverse ends of the lower cross beam of the corresponding side water tank.

Furthermore, the horizontal left end of going up preceding anticollision roof beam has left connecting portion, the horizontal right-hand member of going up preceding anticollision roof beam has right connecting portion, left energy-absorbing box is connected in left connecting portion through left connecting plate, right energy-absorbing box is connected in right connecting portion through right connecting plate.

Further, the left connecting plate and the left connecting part are connected through a left stud group, and the left stud group comprises an upper left stud group and a lower left stud group which are respectively and correspondingly positioned at the top of the upper front anti-collision beam and the bottom of the upper front anti-collision beam along the height direction; the left connecting part comprises an upper left connecting part and a lower left connecting part, the top surface of the transverse left end of the upper front anti-collision beam extends upwards to form the upper left connecting part, the bottom surface of the transverse left end of the upper front anti-collision beam extends downwards to form the lower left connecting part, the upper left connecting part is connected to the top of the left connecting plate through an upper left stud group, and the lower left connecting part is connected to the bottom of the left connecting plate through a lower left stud group;

the right connecting plate and the right connecting part are connected through a right stud group, and the right stud group comprises a right upper stud group and a right lower stud group which are respectively and correspondingly positioned at the top of the upper front anti-collision beam and the bottom of the upper front anti-collision beam along the height direction; the right connecting portion include upper right connecting portion and lower right connecting portion, the top surface of the horizontal right-hand member of last preceding crashproof roof beam upwards extends and forms upper right connecting portion, the bottom surface of the horizontal right-hand member of last preceding crashproof roof beam downwards extends and forms lower right connecting portion, upper right connecting portion connect in the top of right connecting plate through upper right stud crowd, lower right connecting portion connect in the bottom of right connecting plate through lower right stud crowd.

The utility model has the advantages that: the utility model discloses a front anti-collision beam assembly, which can be provided with an anti-collision structure at the low position of a stress point through an upper front anti-collision beam and a lower front anti-collision beam which are arranged in parallel in the height direction, so as to reduce the secondary damage to pedestrians; the transverse two ends of the upper front anti-collision beam are respectively and correspondingly connected to the vehicle body through a left energy absorption box and a right energy absorption box; the transverse two ends of the lower front anti-collision beam are respectively connected to the vehicle body through the left support and the right support correspondingly, and the upper front anti-collision beam and the lower front anti-collision beam are respectively connected to the vehicle body through a split type design, so that the energy-absorbing and crumpling functions are independent, the advantage of independent replacement of structural parts is expanded, and the energy-saving and efficiency-improving characteristics are achieved; the horizontal two ends of the water tank lower beam are respectively and correspondingly connected with the left energy absorption box and the right energy absorption box through the left connecting assembly and the right connecting assembly; a closed annular force transmission system is formed by the lower cross beam of the water tank, the upper front anti-collision beam, the left energy absorption box and the right energy absorption box, the force component effect is improved, the structural strength and the stability of the whole structure are improved, and the protection effect on drivers and passengers is improved.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic front side structure diagram of the present invention;

fig. 2 is a rear structure diagram of the present invention;

fig. 3 is a schematic diagram of the explosion structure of the present invention;

fig. 4 is a schematic front view of the structure of the present invention;

fig. 5 is a schematic view of the back view structure of the present invention;

fig. 6 is a schematic top view of the present invention;

fig. 7 is a schematic side view of the present invention.

Detailed Description

Fig. 1 is a schematic structural view of the present invention, as shown in the figure, the transverse direction is the length direction of the whole device, the longitudinal direction is the width direction of the whole device, and the height direction is the height direction of the whole device after being mounted on the vehicle body; the whole device is arranged behind a vehicle body, the left side and the right side correspond to the left side and the right side in the transverse direction, the front side and the back side correspond to the front side and the back side in the longitudinal direction, and the top bottom corresponds to the top bottom in the height direction, which is not described again; the front anti-collision beam assembly in the embodiment comprises the upper front anti-collision beam 1 and the lower front anti-collision beam 2 which are arranged in parallel in the height direction, so that even if people collide, secondary damage of twisting the people into the vehicle bottom cannot occur, the serious injury rate and death rate of people in collision accidents are reduced, the whole vehicle has good collapse performance when colliding with other buildings or vehicles and the like, and the protection effect on drivers and passengers is improved; the transverse two ends of the upper front anti-collision beam 1 are respectively and correspondingly connected to the vehicle body through a left energy absorption box 3 and a right energy absorption box 4, the left energy absorption box 3 and the right energy absorption box 4 are in structures as shown in the figure, and adopt a conventionally designed tubular structure, and other energy absorption structures can be selected according to actual conditions to play a corresponding energy absorption effect, so that the detailed description is omitted; the transverse two ends of the lower front anti-collision beam 2 are respectively connected to the vehicle body through a left support and a right support, and the upper front anti-collision beam 1 and the lower front anti-collision beam 2 are respectively connected to the vehicle body through a split type design, so that the energy-absorbing and crumpling functions are independent, the advantage of independent replacement of structural parts is expanded, and the energy-reducing and efficiency-improving characteristics are achieved; the energy-saving and energy-saving water tank is characterized by further comprising a lower water tank cross beam 7, wherein the lower water tank cross beam 7 is used for protecting a water tank and plays a role in coordinating with a lower front anti-collision beam 2, so that pedestrians or roadblocks and the like are prevented from being involved in the bottom of the vehicle to cause harm to drivers and passengers, and the lower water tank cross beam plays a role in protection, and the two transverse ends of the lower water tank cross beam 7 are respectively connected with the left energy-absorbing box 3 and the right energy-absorbing box 4 correspondingly through a left connecting assembly and a right connecting assembly; adopt left coupling assembling and right coupling assembling to connect water tank bottom end rail 7 and last preceding crashproof roof beam 1 effect lie in, form closed annular biography power system with water tank bottom end rail 7 and last preceding crashproof roof beam 1, left energy-absorbing box 3 and right energy-absorbing box 4, improve the component force effect of power to and improve overall structure's structural strength and stability, improve the guard action to driver and crew, prevent simultaneously that the foreign matter from being drawn into to the vehicle bottom, left side coupling assembling and right coupling assembling can then have the tubular beams of cavity or rigidly connected's panel or other structures that have the connection effect, play to the effect of corresponding position connection can, no longer describe herein.

In this embodiment, last preceding crashproof roof beam 1 is located the top of crashproof roof beam 2 before down, the horizontal both ends of crashproof roof beam 2 are followed and are transversely protruded in the horizontal both ends that correspond side water tank bottom end rail 7 before down. In order to make and improve the structural strength and the connection stability that preceding crashproof roof beam 1 and water tank bottom end rail 7 formed overall structure, lower preceding crashproof roof beam 2 arranges in the front side of water tank bottom end rail 7 to can transmit power to water tank bottom end rail 7 and last preceding crashproof roof beam 1, left energy-absorbing box 3 and right energy-absorbing box 4 formation closed annular biography power system through left coupling assembling and right coupling assembling when making lower preceding crashproof roof beam 2 can't resist the impact force, improve the protective effect to driver and crew.

In this embodiment, the upper front impact beam 1 has a cavity shaped like a concave in a cross-section along the height direction. As shown in the figure, the transverse middle part of the upper front anti-collision beam 1 protrudes forwards along the longitudinal direction to form a beam structure with bending moment, the upper front anti-collision beam 1 comprises a front wall plate and a rear wall plate, the front wall plate is in a bow shape, and the opening of the bow shape is installed on the rear wall plate, so that a cavity of the upper front anti-collision beam 1 in a concave shape along the height direction is formed, the protection effect and the energy absorption effect of the upper front anti-collision beam 1 are improved, and the effective protection of drivers and passengers is improved.

In this embodiment, the transverse left end of the upper front anti-collision beam 1 is provided with a left connecting portion 15, the transverse right end of the upper front anti-collision beam 1 is provided with a right connecting portion 16, the left energy-absorbing box 3 is connected to the left connecting portion 15 through a left connecting plate 13, and the right energy-absorbing box 4 is connected to the right connecting portion 16 through a right connecting plate 14. By additionally arranging the corresponding matching of the left connecting part 15 and the left connecting plate 13 and the corresponding matching of the right connecting part 16 and the right connecting plate 14, the integral structural strength of the corresponding side energy-absorbing box and the upper front anti-collision beam 1 can be improved, the force can be transmitted to the left energy-absorbing box 3 and the right energy-absorbing box 4 from the upper front anti-collision beam 1 in the force transmission process, and the force transmission stability and the energy-absorbing effect of the integral structure are improved.

In this embodiment, the left connecting plate 13 and the left connecting portion 15 are connected by a left stud group, and the left stud group includes a left upper stud group and a left lower stud group respectively corresponding to the top of the upper front anti-collision beam 1 and the bottom of the upper front anti-collision beam 1 along the height direction; the left connecting part 15 comprises an upper left connecting part and a lower left connecting part, the top surface of the transverse left end of the upper front anti-collision beam 1 extends upwards to form the upper left connecting part, the bottom surface of the transverse left end of the upper front anti-collision beam 1 extends downwards to form the lower left connecting part, the upper left connecting part is connected to the top of the left connecting plate 13 through an upper left stud group, and the lower left connecting part is connected to the bottom of the left connecting plate 13 through a lower left stud group;

the right connecting plate 14 and the right connecting part 16 are connected through a right stud group, and the right stud group comprises a right upper stud group and a right lower stud group which are respectively and correspondingly positioned at the top of the upper front anti-collision beam 1 and the bottom of the upper front anti-collision beam 1 along the height direction; the right connecting portion 16 comprises an upper right connecting portion and a lower right connecting portion, the top surface of the transverse right end of the upper front anti-collision beam 1 extends upwards to form the upper right connecting portion, the bottom surface of the transverse right end of the upper front anti-collision beam 1 extends downwards to form the lower right connecting portion, the upper right connecting portion is connected to the top of the right connecting plate 14 through an upper right stud group, and the lower right connecting portion is connected to the bottom of the right connecting plate 14 through a lower right stud group.

As shown in the figure, the structures of the left connecting plate 13, the left connecting part 15 and the left pin group are respectively and correspondingly the same as the structures of the right connecting plate 14, the right connecting part 16 and the right pin group; two groups of same structures are correspondingly arranged at the two transverse ends of the upper front anti-collision beam 1, taking a left connecting plate 13, a left connecting part 15 and a left stud group as an example, the left connecting part 15 comprises a left upper connecting part and a left lower connecting part, the left upper connecting part is formed by a front wall plate extending upwards along the transverse left end and a rear wall plate extending upwards along the transverse left end, the left lower connecting part is formed by a front wall plate extending downwards along the transverse left end and a rear wall plate extending downwards along the transverse left end, the left stud group comprises a left upper stud group and a left lower stud group which are respectively positioned at the top of the upper front anti-collision beam 1 and at the bottom of the upper front anti-collision beam 1 along the height direction, the left upper stud group comprises two bolts which are arranged at intervals along the transverse direction, the left lower stud group comprises two bolts which are arranged at intervals along the transverse direction, the left connecting plate 13 is rectangular, and the left upper connecting part is fixed at the top of the left connecting plate 13 through the left upper stud group, the lower left connecting part is fixed at the bottom of the left connecting plate 13 through a lower left stud group.

In this embodiment, the lower front anti-collision beam 2 is provided with a first waist-shaped hole 5 and a second waist-shaped hole 6, and the first waist-shaped hole 5 and the second waist-shaped hole 6 are respectively and correspondingly located on two sides of the transverse middle portion of the lower front anti-collision beam 2 along the transverse direction. As shown in the figure, lower front anti-collision beam 2 is located under the bottom of upper front anti-collision beam 1, and has on lower front anti-collision beam 2 along transversely corresponding first waist type hole 5 and the second waist type hole 6 that are located the horizontal middle part both sides of lower front anti-collision beam 2 respectively, can reduce the weight of lower front anti-collision beam 2, reduce the injury to the pedestrian when taking place the pedestrian collision, possess good energy-absorbing crumple effect simultaneously, play the effect of protecting driver and crew, left side support is the horizontal left end through bolt fastening at lower front anti-collision crossbeam promptly, right side support is the horizontal right-hand member through bolt fastening at lower front anti-collision crossbeam promptly, left side support is including the left support anterior segment 17 that has left crumple chamber and the left support rear segment 18 that has left crumple hole 19, left support anterior segment 17 is connected in the horizontal left end of lower front anti-collision beam, said left support rear segment 18 is connected in the automobile body, right side support is including the right support anterior segment 20 that has right crumple chamber and the right support rear crumple hole 22 that has right crumple hole 22 A seat rear section 21, the right seat front section 20 is connected to the transverse right end of the lower front anti-collision beam, the right seat rear section 21 is connected to the vehicle body, as shown in the figure, the left seat and the right seat have the same structure and are correspondingly arranged at the transverse two ends of the lower front anti-collision beam 2, taking the left seat as an example, the left seat comprises a left seat front section 17 with a left collapse chamber and a left seat rear section 18 with a left collapse hole 19, the left seat front section 17 and the left seat rear section 18 are connected to form the left seat, the left seat front section 17 is connected to the transverse left end of the lower front anti-collision beam 2 through a left seat fixing bolt, the left seat rear section 18 is used for being connected with the vehicle body, the section of the left seat front section 17 in the height direction is a closed rectangle, the left collapse chamber is a rectangular inner cavity, the transverse projection of the left seat front section 17 is approximately trapezoidal, and the trapezoidal upper bottom is connected with the lower front anti-collision beam 2, the lower bottom of the trapezoid is connected with the vehicle body so as to improve the force transmission and energy absorption effects of the left support, improve the protection of drivers and passengers, and simultaneously prevent pedestrians from being involved to the vehicle bottom to cause secondary damage or other ground roadblocks from being involved to the vehicle bottom to cause harm to the drivers and passengers; left support back end 18 forms along vertical backward slant downwardly extending, the waist type hole that the hole 19 was seted up for being on a parallel with left support back end 18 extending direction is ulcerated to a left side, and the anterior segment size in this waist type hole is greater than the back end size in waist type hole to make can be better with power absorption in predetermineeing the position, the transmission of reducing power, the effect of left side shrink hole 19 lies in providing the collapse point, plays the effect of absorbing force, improves the protective effect to driver and crew.

In this embodiment, a plurality of functional grooves 8 are formed in the lower water tank cross beam 7, and the plurality of functional grooves 8 are arranged on the lower water tank cross beam 7 at intervals along the transverse direction. As shown in the figure, the function groove 8 is from top to bottom sunken to be formed at water tank bottom end rail 7, and a plurality of function groove 8 is arranged in water tank bottom end rail 7 along transverse separation, and arranging of function groove 8 does benefit to the structural strength who improves water tank bottom end rail 7, can also improve overall structure's structural strength when playing the safeguard effect to and form good biography power component force way with last preceding crashproof roof beam 1, improve the safeguard effect to driver and crew.

In this embodiment, the left connecting assembly includes a left support plate i 9 and a left support plate ii 10, and the left support plate i 9 and the left support plate ii 10 are respectively and correspondingly installed at two lateral sides of the left energy absorption box 3;

the right connecting component comprises a right support plate I11 and a right support plate II 12, and the right support plate I11 and the right support plate II 12 are correspondingly arranged on the two transverse sides of the right energy absorption box 4 respectively.

In this embodiment, the left support plate i 9 has a left overlapping area i and a left bearing area i, the left support plate ii 10 has a left overlapping area ii and a left bearing area ii, the left overlapping area i and the left overlapping area ii are overlapped and connected in the transverse middle of the left energy-absorbing box 3, the left bearing area i is connected to the left side of the transverse middle of the left energy-absorbing box 3, and the left bearing area ii is connected to the right side of the transverse middle of the left energy-absorbing box 3;

the right side extension board I11 has right overlap district I and right bearing district I, right side extension board II 12 has right overlap district II and right bearing district II, right side overlap district I and right overlap district II and overlap the horizontal middle part overlap connection at right energy-absorbing box 4, right side bearing district I is connected in the left side at the horizontal middle part of right energy-absorbing box 4, right side bearing district II is connected in the right side at the horizontal middle part of right energy-absorbing box 4.

In the embodiment, the root of the left support plate I9 is connected to the transverse left end of the water tank lower cross beam 7, the root of the left support plate I9 extends upwards to form a left overlapping area I, and the left overlapping area I bends leftwards along the transverse direction and extends upwards to form a left bearing area I; the root of the left support plate II 10 is connected to the transverse left end of the water tank lower cross beam 7, the root of the left support plate II 10 extends upwards to form a left overlapping area II, and the left overlapping area II bends rightwards in the transverse direction and extends upwards to form a left bearing area II;

the root of the right support plate I11 is connected to the transverse right end of the water tank lower cross beam 7, the root of the right support plate I11 extends upwards to form a right overlapping area I, and the right overlapping area I bends leftwards along the transverse direction and extends upwards to form a right bearing area I; the root of the right support plate II 12 is connected to the transverse right end of the water tank lower cross beam 7, the root of the right support plate II 12 extends upwards to form a right overlapping area II, and the right overlapping area II bends rightwards in the transverse direction and extends upwards to form a right bearing area II.

As shown in the figure, the structures of the left connecting component and the right connecting component are respectively and correspondingly the same; the two groups of same structures are correspondingly arranged at the two transverse ends of the upper front anti-collision beam 1, a left connecting assembly is taken as an example, the left connecting assembly comprises a left support plate I9 and a left support plate II 10 which are correspondingly arranged at the two transverse sides of a left energy absorption box 3 respectively, the left support plate I9 is provided with a left overlapping area I and a left bearing area I, the left support plate II 10 is provided with a left overlapping area II and a left bearing area II, the left overlapping area I and the left overlapping area II are connected in an overlapping mode in the transverse middle of the left energy absorption box 3, the left bearing area I is connected to the left side of the transverse middle of the left energy absorption box 3, and the left bearing area II is connected to the right side of the transverse middle of the left energy absorption box 3; the root of the left support plate I9 is connected to the transverse left end of the water tank lower cross beam 7, the root of the left support plate I9 extends upwards to form a left overlapping area I, and the left overlapping area I bends leftwards along the transverse direction and extends upwards to form a left bearing area I; the root of the left support plate II 10 is connected to the transverse left end of the water tank lower cross beam 7, the root of the left support plate II 10 extends upwards to form a left overlapping area II, and the left overlapping area II bends rightwards in the transverse direction and extends upwards to form a left bearing area II; the transverse middle part is close to the middle part, the left bearing area I and the left bearing area II are respectively arranged at two transverse sides of the left energy absorption box 3, the root of the left support plate I9 is overlapped with the root of the left support plate II 10, and the left support plate II 10, the left support plate II and the left support plate I9 are fixed through bolts penetrating through the transverse left end of the water tank lower cross beam 7, the root of the left support plate II 10 and the root of the left support plate I9; the left overlapping area I is formed by vertically extending the root part of a left support plate I9 upwards, the left overlapping area II is formed by vertically extending the root part of a left support plate II 10 upwards, the left overlapping area I and the left overlapping area II are positioned in the transverse middle part of the left energy-absorbing box 3 and are overlapped, so that the supporting device has good supporting capacity, the left overlapping area I is bent leftwards along the transverse direction and extends upwards to form a left supporting area I, the left overlapping area II is bent rightwards along the transverse direction and extends upwards to form a left bearing area II, the left bearing area I and the left bearing area II are connected to the side wall of the energy absorption box on the corresponding side through bolts, the connecting strength of the upper front anti-collision beam and the lower water tank beam 7 is improved, the integrity of a closed annular force transmission system formed by the lower water tank beam 7, the upper front anti-collision beam 1, the left energy absorption box 3 and the right energy absorption box 4 is improved, a good force transmission component force path is provided, and the protection performance of drivers and passengers is improved.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (10)

1. The utility model provides a preceding crashproof roof beam assembly which characterized in that: the front bumper comprises an upper front anti-collision beam and a lower front anti-collision beam which are arranged in parallel in the height direction; the transverse two ends of the upper front anti-collision beam are respectively and correspondingly connected to the vehicle body through a left energy absorption box and a right energy absorption box; the transverse two ends of the lower front anti-collision beam are respectively and correspondingly connected to the vehicle body through a left support and a right support; the energy-absorbing box is characterized by further comprising a water tank lower beam, and the two transverse ends of the water tank lower beam are respectively connected with the left energy-absorbing box and the right energy-absorbing box through the left connecting assembly and the right connecting assembly.

2. The front impact beam assembly of claim 1, wherein: the upper front anti-collision beam is provided with a cavity which is shaped like a concave shape along the height direction.

3. The front impact beam assembly of claim 1, wherein: and the lower front anti-collision beam is provided with a first waist-shaped hole and a second waist-shaped hole, and the first waist-shaped hole and the second waist-shaped hole are transversely and correspondingly positioned on two sides of the transverse middle part of the lower front anti-collision beam.

4. The front impact beam assembly of claim 1, wherein: a plurality of functional grooves are formed in the lower water tank cross beam and are arranged on the lower water tank cross beam at intervals.

5. The front impact beam assembly of claim 1, wherein: the left connecting assembly comprises a left support plate I and a left support plate II, and the left support plate I and the left support plate II are respectively and correspondingly arranged on the two transverse sides of the left energy absorption box;

the right connecting assembly comprises a right support plate I and a right support plate II, and the right support plate I and the right support plate II are correspondingly arranged on the two transverse sides of the right energy absorption box respectively.

6. The front impact beam assembly of claim 5, wherein: the left support plate I is provided with a left overlapping area I and a left bearing area I, the left support plate II is provided with a left overlapping area II and a left bearing area II, the left overlapping area I and the left overlapping area II are connected in an overlapping mode in the transverse middle of the left energy absorption box, the left bearing area I is connected to the left side of the transverse middle of the left energy absorption box, and the left bearing area II is connected to the right side of the transverse middle of the left energy absorption box;

the right support plate I is provided with a right overlapping area I and a right bearing area I, the right support plate II is provided with a right overlapping area II and a right bearing area II, the right overlapping area I and the right overlapping area II are connected in an overlapping mode in the transverse middle of the right energy absorption box, the right bearing area I is connected to the left side of the transverse middle of the right energy absorption box, and the right bearing area II is connected to the right side of the transverse middle of the right energy absorption box.

7. The front impact beam assembly of claim 6, wherein: the root of the left support plate I is connected to the transverse left end of the lower cross beam of the water tank, the root of the left support plate I extends upwards to form a left overlapping area I, and the left overlapping area I is bent leftwards in the transverse direction and extends upwards to form a left bearing area I; the root of the left support plate II is connected to the transverse left end of the lower cross beam of the water tank, the root of the left support plate II extends upwards to form a left overlapping area II, and the left overlapping area II is bent rightwards along the transverse direction and extends upwards to form a left bearing area II;

the root of the right support plate I is connected to the transverse right end of the lower cross beam of the water tank, the root of the right support plate I extends upwards to form a right overlapping area I, and the right overlapping area I is bent leftwards along the transverse direction and extends upwards to form a right bearing area I; the root of the right support plate II is connected to the transverse right end of the lower cross beam of the water tank, the root of the right support plate II extends upwards to form a right overlapping area II, and the right overlapping area II is bent rightwards in the transverse direction and extends upwards to form a right bearing area II.

8. The front impact beam assembly of claim 1, wherein: the upper front anti-collision beam is positioned at the top of the lower front anti-collision beam, and the two transverse ends of the lower front anti-collision beam transversely protrude out of the two transverse ends of the lower beam of the corresponding side water tank.

9. The front impact beam assembly of claim 1, wherein: the left connecting portion is arranged at the transverse left end of the upper front anti-collision beam, the right connecting portion is arranged at the transverse right end of the upper front anti-collision beam, the left energy absorption box is connected to the left connecting portion through a left connecting plate, and the right energy absorption box is connected to the right connecting portion through a right connecting plate.

10. The front impact beam assembly of claim 9, wherein: the left connecting plate and the left connecting part are connected through a left stud group, and the left stud group comprises an upper left stud group and a lower left stud group which are respectively and correspondingly positioned at the top of the upper front anti-collision beam and the bottom of the upper front anti-collision beam along the height direction; the left connecting part comprises an upper left connecting part and a lower left connecting part, the top surface of the transverse left end of the upper front anti-collision beam extends upwards to form the upper left connecting part, the bottom surface of the transverse left end of the upper front anti-collision beam extends downwards to form the lower left connecting part, the upper left connecting part is connected to the top of the left connecting plate through an upper left stud group, and the lower left connecting part is connected to the bottom of the left connecting plate through a lower left stud group;

the right connecting plate and the right connecting part are connected through a right stud group, and the right stud group comprises a right upper stud group and a right lower stud group which are respectively and correspondingly positioned at the top of the upper front anti-collision beam and the bottom of the upper front anti-collision beam along the height direction; the right connecting portion include upper right connecting portion and lower right connecting portion, the top surface of the horizontal right-hand member of last preceding crashproof roof beam upwards extends and forms upper right connecting portion, the bottom surface of the horizontal right-hand member of last preceding crashproof roof beam downwards extends and forms lower right connecting portion, upper right connecting portion connect in the top of right connecting plate through upper right stud crowd, lower right connecting portion connect in the bottom of right connecting plate through lower right stud crowd.

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