CN220947908U

CN220947908U - Automobile bumper protection assembly and truck

Info

Publication number: CN220947908U
Application number: CN202322951747.2U
Authority: CN
Inventors: 刘丹丹; 赵强
Original assignee: China National Heavy Duty Truck Group Jinan Power Co Ltd
Current assignee: China National Heavy Duty Truck Group Jinan Power Co Ltd
Priority date: 2023-11-01
Filing date: 2023-11-01
Publication date: 2024-05-14
Anticipated expiration: 2033-11-01

Abstract

The utility model provides an automobile bumper protection assembly and a truck, which relate to the field of automobile bumper protection, and adopt the following scheme: the novel protective device comprises a first protective piece and a second protective piece, wherein the first protective piece is connected with the second protective piece through a middle reinforcing piece, the middle reinforcing piece comprises an upper reinforcing part and a lower reinforcing part, the upper reinforcing part and the lower reinforcing part are of isosceles trapezoid structures, and the wide ends of the upper reinforcing part and the lower reinforcing part are connected. The utility model has higher bending and torsion resistance strength, and can protect the bumper more strongly and reduce the damage of the bumper.

Description

Automobile bumper protection assembly and truck

Technical Field

The utility model relates to the field of automobile bumper protection, in particular to an automobile bumper protection assembly and a truck.

Background

The bumpers arranged at the front end and the rear end of the vehicle have the purposes of protecting safety, decorating the vehicle, improving the aerodynamic characteristics of the vehicle and the like, and when the vehicle collides, the bumpers are contacted firstly, then the bumpers can transmit the energy absorption boxes with forces dispersed to the two sides to the left and right front longitudinal beams and then to other structures of the vehicle body; the cooperation rational design can also reduce the injury degree when being bumped to the pedestrian.

In order to improve the protective performance of a bumper, the prior art provides a front bumper assembly, including a bumper main body, be equipped with bumper energy-absorbing plate and air defense board in the bumper main body, set up the wind edge on the air defense board, set up crashproof mechanism on the trailing flank of bumper main body, crashproof mechanism comprises a plurality of anti-impact components, a plurality of anti-impact components pass through stress transfer board and link to each other, anti-impact components include elasticity bent plate and bolster, stress transfer board includes transmission bent plate and connection bent plate, this technical scheme can effectively absorb the impact, the crashproof mechanism of setting can provide dual buffering, and progressively transmit the impact to on the automobile body frame, the impact resistance of bumper main body is improved by a wide margin, disperse every anti-impact components with the impact through stress transfer board, the impact strength that the automobile body frame received has been reduced by a wide margin, the security of traveling is improved.

By adopting the technical scheme, the protection effect of the bumper can be pushed up, but in many areas with bad road conditions, such as mountain areas, mountain land terrains with hills and relief, roads are built on the mountains, pits are distributed over, large stones are raised, the road relief is large, the bumper is often bumped, the damage of the bumper is caused, and the protection effect of the bumper on the whole vehicle is affected.

Disclosure of utility model

In order to solve the technical problem that the strength of an automobile bumper protection assembly in the prior art is low, the utility model provides the automobile bumper protection assembly and a truck, which have high bending and torsion resistance strength and can protect a bumper to reduce the damage of the bumper.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an automobile bumper protection assembly, includes protector one and protector two, protector one with the protector two passes through the middle part reinforcement and connects, the middle part reinforcement includes upper reinforcement and lower reinforcement, upper reinforcement with lower reinforcement is isosceles trapezoid structure, upper reinforcement with the wide end of lower reinforcement is connected. Through setting up two isosceles trapezoid structure middle part reinforcement of butt joint can strengthen the anti-bending strength of this bumper protection assembly, have stronger impact force effect of resisting, can carry out stronger protection to the bumper and reduce the bumper and damage.

Further, the first protection piece and the second protection piece have the same structure and comprise support pieces, the support pieces are of U-shaped structures, and the two support pieces are symmetrically arranged relative to the middle reinforcing piece. The supporting piece with the U-shaped structure is adopted, so that the force received during collision can be decomposed in multiple directions, the buffer effect is better, and the protection effect of the bumper protection assembly is further enhanced.

Further, a reinforcing rod is horizontally arranged in the middle of the supporting piece, and the reinforcing rod is connected with the middle reinforcing piece. Through setting up the stiffener, reinforcing guard piece one on the one hand, guard piece two's intensity produces better energy-absorbing effect, and then promotes the guard action of this bumper protection assembly, on the other hand, the stiffener can also protect the driver's cabin headlight, avoids the headlight broken piece fish tail people.

Further, the lower reinforcement portion is greater in height than the upper reinforcement portion, and the reinforcement bar is connected to the oblique side corresponding to the lower reinforcement portion.

Further, the support piece includes two horizontal poles and montant, the horizontal pole with the stiffener is kept away from the one end of middle part reinforcement is arc structure and all extends to the driver's cabin rear portion. Through with the horizontal pole with the one end of stiffener sets up to the arc, on the one hand with the front wall assorted of driver's cabin, promote aesthetic property, on the other hand produces better energy-absorbing effect, promotes the guard action of this protection assembly.

Further, the lower part symmetry of lower enhancement portion is provided with two connecting pieces one, connecting piece one is T type structure, connecting piece one narrow end with middle part enhancement piece is connected, connecting piece one's wide end is provided with crossbeam connecting hole one, the symmetry is provided with two connecting pieces two on the lower enhancement portion, connecting piece two are located connecting piece one upper portion, connecting piece two include connecting portion one, connecting portion two and connecting portion three, connecting portion one connecting portion two with connecting portion three two liang mutually perpendicular, be provided with crossbeam connecting hole two on the connecting portion three, connecting portion one with lower enhancement portion is connected. Through the cooperation of connecting piece one and connecting piece two, can be with this protection assembly from below and vehicle installation connection, the dismouting of this protection assembly of being convenient for reduces the influence to the driver's cabin front wall.

Further, the middle reinforcement is of a frame structure, the width of the inclined edge of the upper reinforcement part is gradually increased from top to bottom, and the width of the inclined edge of the lower reinforcement part is gradually decreased. Through the middle part reinforcement that adopts frame structure and width structure, satisfy the intensity requirement on the one hand, on the other hand realize this protection assembly's lightweight.

Further, the support and the reinforcing rod are hollow structures. The support piece and the reinforcing rod with the hollow structure are adopted to further realize the light weight of the protection assembly.

Further, a decorative net is arranged on the middle reinforcing piece, and the decorative net adopts a honeycomb structure. The aesthetic property of the protection assembly is improved through the decorative net.

The utility model also provides a truck which comprises a truck frame, wherein a traction beam is arranged in the truck frame, a cab is arranged at the upper part of the truck frame, a bumper is arranged at the lower part of the front periphery of the cab, headlight mounting holes are formed in two sides of the bumper, the truck further comprises the automobile bumper protection assembly, the automobile bumper protection assembly is arranged outside the bumper, the reinforcing rod is opposite to the headlight mounting holes, and the first connecting piece and the second connecting piece penetrate through the bumper and are connected with the traction beam. The bumper can be protected strongly, so that the bumper damage is reduced, and meanwhile, broken fragments of the headlight are prevented from scratching people.

From the above technical scheme, the utility model has the following advantages:

The utility model provides an automobile bumper protection assembly and a truck, which can enhance the bending and torsion resistance of the bumper protection assembly by arranging two middle reinforcing parts of an isosceles trapezoid structure, have stronger impact resistance, and can protect the bumper more strongly and reduce the bumper damage; the supporting piece with the U-shaped structure can be used for multi-directionally decomposing the force received during collision, so that the buffer effect is better, and the protection effect of the bumper protection assembly is further enhanced; through setting up the stiffener, on the one hand strengthen the intensity of protector one, protector two, produce better energy-absorbing effect, and then promote the guard action of this bumper protection assembly, on the other hand, the stiffener can also protect the driver's cabin headlight, avoids the headlight to break the piece fish tail people; the cross rod and one end of the reinforcing rod are arranged in an arc shape, so that on one hand, the front wall of the cab is matched, the attractiveness is improved, and on the other hand, when the arc-shaped structure on the supporting piece collides, the arc-shaped structure is perpendicular to the tangential direction of the collided curved surface, a better energy absorption effect is generated, and the protection effect of the protection assembly is further improved; the first connecting piece and the second connecting piece are matched, so that the protection assembly can be installed and connected with a vehicle from the lower part, the protection assembly can be conveniently disassembled and assembled, and the influence on the front periphery of the cab is reduced; the middle reinforcing piece with the frame structure and the width-widened structure is adopted, so that the strength requirement is met, and the weight reduction of the protection assembly is realized; the weight of the protection assembly is further reduced by adopting the support piece and the reinforcing rod with hollow structures; the aesthetic property of the protection assembly is improved through the decorative net.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a first embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a first embodiment of the present utility model.

Fig. 3 is a schematic partial structure of a second embodiment of the present utility model.

In the figure, 1, a first protection piece; 101. a cross bar; 103. a vertical rod; 2. a middle stiffener; 201. an upper reinforcement portion; 202. a lower reinforcement portion; 3. a decorative net; 4. a second protection piece; 5. a traction beam; 6. a mounting bracket; 7. a first connecting piece; 8. a second connecting piece; 9. a reinforcing rod; 10. a bumper; 11. headlight mounting holes; 12. a front wall.

Detailed Description

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.

Detailed description of the preferred embodiments

As shown in fig. 1 to 2, the present embodiment provides an automobile bumper guard assembly, which includes a guard member 1, a middle reinforcing member 2, and a guard member 4; the first protection member 1 and the second protection member 4 are connected through the middle reinforcement member 2, the middle reinforcement member 2 comprises an upper reinforcement portion 201 and a lower reinforcement portion 202, in this embodiment, the upper reinforcement portion 201 and the lower reinforcement portion 202 are of a bending integrated structure, the upper reinforcement portion 201 and the lower reinforcement portion 202 are of isosceles trapezoid structures, the wide ends of the upper reinforcement portion 201 and the lower reinforcement portion 202 are connected, and the height of the lower reinforcement portion 202 is larger than that of the upper reinforcement portion 201; the first protection piece 1 and the second protection piece 4 are identical in structure and comprise supporting pieces, the supporting pieces are of U-shaped structures, each supporting piece comprises two cross bars 101 and a vertical rod 102, and the two supporting pieces are symmetrically arranged relative to the middle reinforcing piece 2. Through setting up two butt joint isosceles trapezoid structure middle part reinforcement 2 can strengthen the anti bending torsion intensity of this bumper 10 protection assembly, the support piece of the general adoption U type structure of support piece of both sides simultaneously can carry out multi-direction decomposition with the power that receives when colliding, and cushioning effect is better, further strengthens the guard action of this bumper 10 protection assembly, has stronger resistance impact force effect, can carry out stronger protection to bumper 10 and reduce bumper 10 and damage.

As shown in fig. 1, in order to further enhance the protection function of the present protection assembly, in this embodiment, the middle part of the support member is horizontally provided with a reinforcing rod 9, the reinforcing rod 9 is connected with the middle part reinforcing member 2, and the reinforcing rod 9 is connected with the corresponding oblique side of the lower reinforcing part 202; through setting up stiffener 9, reinforcing guard piece 1, the intensity of guard piece two 4 on the one hand produces better energy-absorbing effect, and then promotes the guard action of this bumper 10 protection assembly, and on the other hand, stiffener 9 can also protect the driver's cabin headlight, avoids the headlight to break the piece fish tail people.

As shown in fig. 1 to 2, in order to enhance the protection function and the aesthetic property of the present protection assembly, in this embodiment, the ends of the cross bar 101 and the reinforcing rod 9, which are far away from the middle reinforcing member, are both arc-shaped structures and extend toward the rear of the cab; through setting up the one end of horizontal pole 101 and stiffener into the arc, enclose 12 assorted before on the one hand with the driver's cabin, promote aesthetic property, on the other hand, when the arc structure department on the support piece bumps, arc structure department is perpendicular with the curved surface tangential direction that bumps, produces better energy-absorbing effect, further promotes the guard action of this protection assembly.

As shown in fig. 1 to 2, in order to facilitate the assembly and disassembly of the present protection assembly, in this embodiment, two first connectors 7 are symmetrically disposed at the lower portion of the lower reinforcement portion 202, the first connectors 7 are in a T-shaped structure, the narrow ends of the first connectors 7 are connected with the middle reinforcement 2 through bolts, and the wide ends of the first connectors 7 are provided with first beam connecting holes; the lower reinforcing part 202 is symmetrically provided with two connecting pieces II 8, the connecting pieces II 8 are positioned at the upper part of the connecting piece I7, the connecting pieces II 8 comprise a connecting part I, a connecting part II and a connecting part III, the connecting part I, the connecting part II and the connecting part III are mutually perpendicular, the connecting part III is provided with a beam connecting hole II, the corresponding positions of the connecting part I and the lower reinforcing part 202 are connected through bolts, and the hole connected with the middle reinforcing part 2 on the connecting part I is a flanging hole, so that the fastening and positioning technical effect is achieved; through the cooperation of connecting piece one 7 and connecting piece two 8, can be with this protection assembly from below and vehicle installation connection, the dismouting of this protection assembly of being convenient for reduces the dismouting and encloses 12 before the driver's cabin influence, does not influence the maintenance to enclose 12 before the driver's cabin.

As shown in fig. 1, in order to achieve weight reduction, in this embodiment, the middle reinforcement 2 is in a frame structure, the middle reinforcement 2 is manufactured by bending a pipe, the width of two hypotenuses of the upper reinforcement 201 increases gradually from top to bottom, and the width of two hypotenuses of the lower reinforcement 202 decreases gradually; the support and the reinforcing rods 9 are hollow structures. Through adopting the middle part reinforcement 2 of frame structure and width structure, satisfy the intensity requirement on the one hand, on the other hand realize the lightweight of this protection assembly.

As shown in fig. 1, in this embodiment, the middle reinforcement 2 is provided with a decorative net 3, which adopts a honeycomb structure; the aesthetic property of the protection assembly is improved through the decorative net 3.

In this embodiment, the first connecting member 7, the second connecting member 8, the supporting member, the reinforcing rod 9 and the middle reinforcing member 2 are made of stainless steel.

Detailed description of the preferred embodiments

As shown in fig. 3, the present embodiment provides a truck, including a frame, a cab, and an automobile bumper protection assembly in the first embodiment, wherein a traction beam 5 is provided in the frame, the cab is provided at the upper part of the frame, a bumper 10 is provided at the lower part of a front wall 12 of the cab, the bumper 10 is connected with the frame, a headlight mounting hole 11 is provided on the bumper 10 for mounting a headlight of the cab, the automobile bumper protection assembly is provided at the outer side of the bumper 10, two reinforcing rods 9 are oppositely provided in front and rear of the headlight mounting hole 11, a first connecting piece 7 and a second connecting piece 8 penetrate through slots on the bumper 10 to be connected with the traction beam 5, mounting brackets 6 are provided at both ends of the traction beam 5, the upper part of the mounting brackets 6 are connected with the second connecting piece 8 by bolts, the middle part of the mounting brackets is welded with the traction beam 5, and the lower part of the mounting brackets 6 is connected with the first connecting piece 7 by bolts; the front part of the bumper 10 is provided with the automobile bumper protection assembly, the bumper 10 can be protected, the bumper 10 is prevented from being damaged by collision, meanwhile, the protection performance of the whole automobile is improved, the impact is further buffered, the collision damage is reduced, and the cab headlight can be protected by the reinforcing rod 9 and the cab headlight.

From the above detailed description, it can be seen that the present utility model has the following advantages:

1. The bending and torsion resistance of the protection assembly of the bumper 10 can be enhanced by arranging the two middle reinforcing pieces 2 of the butt joint isosceles trapezoid structure, the impact resistance effect is stronger, the bumper 10 can be protected more strongly, and the damage of the bumper 10 is reduced;

2. The supporting piece with the U-shaped structure can be used for multi-directionally decomposing the force received during collision, so that the buffer effect is better, and the protection effect of the protection assembly of the bumper 10 is further enhanced;

3. Through setting up stiffener 9, on the one hand strengthen the intensity of protector 1, protector two 4, produce better energy-absorbing effect, and then promote the guard action of this bumper 10 protection assembly, on the other hand, the stiffener can also protect the driver's cabin headlight, avoids the headlight to break the piece fish tail people;

4. By arranging one ends of the cross rod 101 and the reinforcing rod into an arc shape, on one hand, the cross rod is matched with the front wall 12 of the cab, so that the aesthetic property is improved, and on the other hand, when the arc-shaped structure on the supporting piece collides, the arc-shaped structure is perpendicular to the tangential direction of the collided curved surface, so that a better energy absorption effect is generated, and the protection effect of the protection assembly is further improved;

5. The first connecting piece 7 and the second connecting piece 8 are matched, so that the protection assembly can be conveniently and directly detached to maintain the cab front wall 12;

6. The middle reinforcing piece 2 with a frame structure and a width-widened structure is adopted, so that the strength requirement is met, and the weight reduction of the protection assembly is realized;

7. the weight reduction of the protection assembly is further realized by adopting the support piece and the reinforcing rod 9 with hollow structures;

8. The aesthetic property of the protection assembly is improved through the decorative net 3.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an automobile bumper protection assembly, includes protector one (1) and protector two (4), its characterized in that, protector one (1) and protector two (4) are connected through middle part reinforcement (2), and middle part reinforcement (2) are including last reinforcement (201) and lower reinforcement (202), go up reinforcement (201) and lower reinforcement (202) and are isosceles trapezoid structure, go up the wide end of reinforcement (201) and lower reinforcement (202) and be connected.

2. The automobile bumper guard assembly according to claim 1, wherein the first guard (1) and the second guard (4) are identical in structure and comprise support members, each of which is of a U-shaped structure, and the two support members are symmetrically arranged with respect to the middle reinforcement (2).

3. An automobile bumper guard assembly according to claim 2, characterised in that the support member is provided with a reinforcing bar (9) horizontally in the middle part, the reinforcing bar (9) being connected to the middle reinforcement member (2).

4. A bumper guard assembly according to claim 3, wherein the lower reinforcement (202) is higher than the upper reinforcement (201), and the reinforcement bar (9) is connected to the corresponding oblique side of the lower reinforcement (202).

5. A bumper guard assembly according to claim 3, characterised in that the support member comprises two cross bars (101) and a vertical bar (103), the ends of the cross bars (101) and the reinforcement bars (9) remote from the central reinforcement (2) being of arcuate configuration and extending towards the rear of the cab.

6. The automobile bumper guard assembly according to any one of claims 3-5, wherein two first connecting pieces (7) are symmetrically arranged at the lower part of the lower reinforcing part (202), the first connecting pieces (7) are of a T-shaped structure, the narrow ends of the first connecting pieces (7) are connected with the middle reinforcing piece (2), the wide ends of the first connecting pieces (7) are provided with beam connecting holes I, two second connecting pieces (8) are symmetrically arranged on the lower reinforcing part (202), the second connecting pieces (8) are located at the upper part of the first connecting pieces (7), the second connecting pieces (8) comprise a first connecting part, a second connecting part and a third connecting part, the first connecting parts, the second connecting parts and the third connecting parts are mutually perpendicular, the third connecting parts are provided with beam connecting holes II, and the first connecting parts are connected with the lower reinforcing parts (202).

7. The automobile bumper guard assembly according to claim 6, wherein the middle reinforcement (2) is a frame structure, the width of the hypotenuse of the upper reinforcement (201) increases gradually from top to bottom, and the width of the hypotenuse of the lower reinforcement (202) decreases gradually.

8. An automobile bumper guard assembly according to claim 7, characterised in that the support and the reinforcement bar (9) are hollow structures.

9. An automobile bumper guard assembly according to claim 8, characterised in that the central reinforcement (2) is provided with a decorative net (3), the decorative net (3) being of honeycomb construction.

10. The utility model provides a truck, including the frame, the frame is inside to be provided with traction beam (5), frame upper portion is provided with the driver's cabin, the preceding enclose (12) lower part of driver's cabin is provided with bumper (10), bumper (10) both sides all are provided with headlight mounting hole (11), a serial communication port, still include car bumper protection assembly according to claim 9, car bumper protection assembly sets up in bumper (10) outside, stiffener (9) are relative with headlight mounting hole (11), connecting piece one (7) and connecting piece two (8) run through bumper (10) and are connected with traction beam (5).