CN211809463U

CN211809463U - Automobile front guard

Info

Publication number: CN211809463U
Application number: CN202020036692.6U
Authority: CN
Inventors: 唐巍; 申炎武; 芦连; 杨洪; 廖慧红; 臧宏建; 丁智
Original assignee: Zhejiang Geely Holding Group Co Ltd; Ningbo Geely Automobile Research and Development Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Ningbo Geely Automobile Research and Development Co Ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-10-30
Anticipated expiration: 2030-01-08

Abstract

The utility model belongs to the technical field of the automobile body safety, concretely relates to guarantor before car. The lower portion of the automobile front bumper can not effectively support the legs of pedestrians and can not resist collision of vehicles and the like. This protect before car is including being located the anterior front wall fender of locomotive, the bottom of front wall fender is connected with the backplate down that bursts to contract, the backplate is close to transversely is equipped with the enhancement strip on the top surface or the bottom surface of rear of a vehicle direction down that bursts to contract, and the both ends of strengthening the strip are connected with the linking bridge who extends towards the anterior direction of locomotive, linking bridge still with burst to contract the backplate down and link to each other. The utility model discloses a lower backplate contracts bursts has two kinds of intensity and rigidity, guarantees the lower part before the realization and can enough have certain support to the pedestrian shank and can resist the partial impact that two cars collided with each other again.

Description

Automobile front guard

Technical Field

The utility model belongs to the technical field of the automobile body safety, concretely relates to guarantor before car.

Background

With the continuous development of the automobile industry, the safety protection measures of the automobile become one of important factors in the design process of the locomotive, the safety protection measures of the automobile are not limited to the protection of the automobile, the automobile front bumper is a safety device arranged at the head of the automobile and used for protecting the lower limbs of pedestrians, and when the pedestrians collide with the automobile, the bending moment of the legs and ligaments are easily damaged.

When a pedestrian collides with a running vehicle in a frontal collision, a bumper is generally mounted on a front body of the vehicle in order to reduce the injury to the pedestrian, and the great impact force is relieved as much as possible by the deformation of the bumper. However, the lower portion of the anterior guard is relatively soft in rigidity, so that the lower portion of the lower leg enters the lower portion of the anterior guard in collision, the lower leg loses support, the bending angle of the lower leg is too large, and the lower leg is damaged. Because the rigidity of the lower portion of the front bumper is softer, when two vehicles collide under a high-speed working condition, the invasion amount is too large due to insufficient rigidity, the maintenance cost is too high, the lower portion of the front bumper needs to be made harder in order to resist the collision force of the two vehicles colliding, and the lower portion of the front bumper is too hard and can cause damage to pedestrians when the two vehicles collide.

Disclosure of Invention

The utility model discloses to the above-mentioned problem that prior art exists, provide a car front fender, the utility model aims to solve the technical problem that: how to realize that the lower part of the front bumper not only can support the legs of pedestrians to a certain extent, but also can resist part of the impact force of two vehicles colliding.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a protect before car, is including being located the anterior front of locomotive and enclosing the fender, the bottom of enclosing the fender is connected with the backplate down that bursts to contract, the backplate is close to transversely is equipped with the enhancement strip on the top surface or the bottom surface of rear of a vehicle direction down that bursts to contract, and the both ends of strengthening the strip are connected with the linking bridge who extends towards the anterior direction of locomotive, linking bridge still with burst to contract the backplate and link to each other.

When an automobile collides with a pedestrian, the leg of the pedestrian firstly contacts the front wall barrier, then the shank can intrude towards the bottom direction of the automobile and collides with the crumple lower guard plate, the strength and the rigidity of the crumple lower guard plate can be improved through the arrangement that the connecting supports at the two ends of the reinforcing strip extend towards the front wall barrier direction, so that the crumple lower guard plate has the effect of gradually improving the strength and the rigidity from the head direction to the tail direction, the crumple lower guard plate can provide enough support for the shank of the pedestrian to prevent the shank from further being involved beyond the bottom of the automobile, and after the shank is supported, the bending of the shank and the thigh is effectively reduced; when two vehicles collide at a lower speed, the connecting support extends towards the front surrounding barrier direction, so that the rigidity and the strength of the rear part of the collapsed lower guard plate are improved, the lower guard plate can have certain capacity of resisting light impact, the reinforcing strips participate in energy absorption, and the damage degree of functional parts such as a rear radiator and the like is reduced, so that the maintainability of the vehicles is improved, and the maintenance cost is reduced; when two cars collide under the condition of higher speed, the lower protection plate after collapse can lose efficacy in the earlier stage of collision, and the reinforcing strip can participate in deformation. The lower end of the front bumper of the automobile has two sections of rigidity, so that the lower part of the front bumper can support the legs of pedestrians to a certain degree and can resist part of impact force generated by collision of two automobiles.

At foretell car front bumper, the linking bridge is last to have alternately arranged linking arm one and linking arm two, linking arm one links to each other with the reinforcing bar, linking arm two is towards the anterior preceding fender direction extension of enclosing of locomotive front portion and with the backplate under the ulceration contracts and be connected. Enclose before the linking arm two orientation and keep off the direction and extend, can promote gradually the lower backplate of ulcerate and contract from the locomotive toward the intensity and the rigidity of rear of a vehicle direction, when striking the pedestrian, gradual promotion causes the secondary damage to the shank owing to the too big lower backplate intensity of ulcerate contracts and rigidity, can make the lower backplate of ulcerate contract when two cars collide with each other simultaneously have certain ability of resisting slight striking.

At foretell car front guard, still be equipped with on the linking bridge towards the linking arm three that contracts apron down top extension, be connected with the longeron on the linking arm three. The longitudinal beam is a part of the vehicle body, the connecting arm III on the connecting support is connected with the connecting arm III to transfer the impact force of two vehicles colliding with each other, the strength of the connecting support and the crumple lower protective plate is improved, and the crumple lower protective plate has two sections of strength and rigidity.

At foretell car front bumper, still be equipped with on the linking bridge with linking arm three intercrossing set up linking arm four, linking arm four encloses the fender direction setting and links to each other with the longeron before the locomotive front portion. And the connecting arm IV enables the mechanical property of the connecting support to be better, and the strength and rigidity of the crumple lower protective plate and the connecting support are improved, so that the crumple lower protective plate has two sections of strength and rigidity.

The automobile front bumper is characterized in that reinforcing flanges are arranged on two sides of the reinforcing strip, which face the automobile head and the automobile tail. The reinforcing flanging improves the strength of the reinforcing strip, so that the reinforcing strip can better resist the impact force generated when two vehicles collide.

The front bumper of the automobile is characterized in that the crumple lower guard plate is provided with convex strips protruding towards the direction of the top of the automobile, and the convex strips are arranged at intervals along the width direction of the automobile body. The setting of sand grip can promote the intensity of the backplate under the ulcerate contracts, makes the lower backplate of ulcerate contract can be better for pedestrian's shank provide the support, has better deformation energy-absorbing effect when a vehicle collides with.

At foretell car front bumper, be equipped with the bellying of sinking towards the vehicle bottom direction on the sand grip. The strengthening groove can promote the intensity of the lower protective plate that contracts, make the lower protective plate that contracts can be better for pedestrian's shank provide the support, have better deformation energy-absorbing effect when a vehicle collides with.

In the automobile front bumper, the crumple lower protection plate is made of glass fiber materials. The lower protective plate made of the glass fiber material can support the lower leg, but cannot cause secondary damage to the lower leg due to overhigh strength.

In the automobile front guard, the thickness of the crumple lower guard plate in the direction of the automobile head is smaller than that in the direction far away from the automobile head. Through the change in the thickness of backplate itself down, realize its intensity from the locomotive to the rear of a vehicle crescent.

Compared with the prior art, the utility model has the advantages of it is following:

1. the crumple lower guard plate has two types of strength and rigidity, and the lower portion of the front guard plate can support the legs of pedestrians to a certain degree and resist part of impact force of two vehicles colliding.

2. The maintenance cost is reduced as much as possible.

Drawings

Fig. 1 is a schematic perspective view of one direction of the automobile front bumper.

Fig. 2 is a schematic perspective view of the automobile front bumper in another direction.

Fig. 3 is a partially enlarged view of fig. 1.

Fig. 4 is a partially enlarged view of fig. 2.

In the figure, 1, a front wall; 2. collapsing the lower guard plate; 3. a reinforcing strip; 4. connecting a bracket; 5. a first connecting arm; 6. a second connecting arm; 7. a third connecting arm; 8. a connecting arm IV; 9. a stringer; 10. reinforcing and turning over; 11. a convex strip; 12. and a reinforcing groove.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, the automobile front bumper comprises a front fender 1, wherein the bottom end of the front fender 1 is connected with a collapsing lower guard plate 2 through a buckle, protruding strips 11 protruding towards the roof direction are arranged on the collapsing lower guard plate 2, the protruding strips 11 are arranged at intervals along the width direction of an automobile body, and reinforcing grooves 12 recessed towards the bottom direction of the automobile are arranged on the protruding strips 11. When the car strikes the pedestrian the people's shank at first can contact before enclose fender 1, then the shank can be towards the invasion of car bottom direction, with the 2 clashes of the backplate of ulcerating and contracting, the backplate 2 can provide sufficient support for pedestrian's shank under the ulcerate contracts, prevents that the shank from further surpassing the vehicle bottom and being drawn into, receives the support back when the shank, the bending of shank and thigh obtains effectual reduction, reduces the damage along with the shank.

As shown in fig. 1, fig. 2 and fig. 4, be equipped with reinforcing bar 3 on the top surface that backplate 2 is close to the rear of a vehicle direction under the ulceration, the mounting hole has been seted up on reinforcing bar 3, link to each other both through the screw on the mounting hole, still be equipped with linking bridge 4 at reinforcing bar 3's both ends, linking bridge 4 is X-shaped, including linking arm one 5 and linking arm two 6, have on linking arm one 5 and the linking arm two 6 and turn over the connecting plate of rolling over towards 2 middle parts of backplate under the ulceration, the connecting plate on linking arm one 5 passes through the screw connection with the top surface laminating of reinforcing bar 3, linking arm two 6 and the lower backplate 2 of ulceration pass through the screw. The second connecting arm 6 extends towards the direction of the front surrounding baffle 1, can gradually improve the strength and the rigidity of the lower burst protective plate 2 from the vehicle head to the direction of the vehicle tail, gradually improves the support of the shank when impacting a pedestrian, reduces the secondary damage to the shank due to the overlarge strength and rigidity of the lower burst protective plate 2, and simultaneously can enable the lower burst protective plate 2 to have certain capacity of resisting slight impact when two vehicles collide with each other.

As shown in fig. 1, 2 and 4, the connecting bracket 4 further includes a third connecting arm 7 and a fourth connecting arm 8 extending above the collapsing lower protective plate 2, the third connecting arm 7 is connected with a longitudinal beam 9, and the fourth connecting arm 8 is connected with the longitudinal beam 9 in a direction toward the front enclosure 1. The connecting bracket 4 is also provided with a reinforcing rib which can be formed by stamping. The longitudinal beam 9 is a part of the vehicle body, the third connecting arm 7 and the fourth connecting arm 8 on the connecting support 4 are connected with the longitudinal beam 9, so that the impact force of collision of two vehicles can be transmitted, the strength of the connecting support 4 and the crumple lower protective plate 2 is improved, and the crumple lower protective plate 2 has two sections of strength and rigidity.

As shown in fig. 1 and 2, the reinforcing flanges 10 are provided on the reinforcing strip 3 toward the front and the rear of the vehicle. The reinforcing flange 10 improves the strength of the reinforcing strip 3, so that the reinforcing strip 3 can better resist the impact force generated when two vehicles collide.

The crumple lower protection plate 2 is made of glass fiber materials, and the thickness of the crumple lower protection plate 2 in the direction of the vehicle head is smaller than that of the crumple lower protection plate in the direction far away from the vehicle head. The lower protection plate 2 made of the glass fiber materials can support the lower leg, but cannot cause secondary damage to the lower leg due to overhigh strength, and the strength of the lower protection plate is gradually increased from the head to the tail of the vehicle through the change of the thickness of the lower protection plate.

As shown in fig. 1, 2 and 4, when the automobile collides with a pedestrian, the leg of the pedestrian firstly contacts the front wall 1, then the shank invades towards the bottom of the automobile and collides with the crumple lower guard plate 2, and the strength and rigidity of the crumple lower guard plate 2 can be improved by arranging the connecting brackets 4 at the two ends of the reinforcing strip 3 to extend towards the direction of the front wall 1, so that the crumple lower guard plate 2 has the effect of gradually improving the strength and rigidity from the head to the tail of the automobile, the crumple lower guard plate 2 can provide enough support for the shank of the pedestrian to prevent the shank from further being involved over the bottom of the automobile, and after the shank is supported, the bending of the shank and the thigh is effectively reduced; when two vehicles collide at a lower speed, the connecting support 4 extends towards the front surrounding barrier 1, so that the rigidity and the strength of the rear part of the collapsed lower guard plate 2 are improved, the lower guard plate can have certain capacity of resisting light impact, the reinforcing strips 3 participate in energy absorption, and the damage degree of functional parts such as a rear radiator and the like is reduced, so that the maintainability of the vehicles is improved, and the maintenance cost is reduced; when two cars collide with each other at a higher speed, the lower protection plate 2 is collapsed to lose efficacy in the earlier stage of collision, the reinforcing strips 3 are deformed, and the vertical rigidity at the front end of the car can be effectively balanced to resist partial impact force of the two cars colliding with each other due to the high strength and the large rigidity of the reinforcing strips 3. The lower end of the front bumper of the automobile has two sections of rigidity, so that the lower part of the front bumper can support the legs of pedestrians to a certain degree and can resist part of impact force generated by collision of two automobiles.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms front barrier, collapsing apron, reinforcing strip, connecting bracket, connecting arm one, connecting arm two, connecting arm three, connecting arm four, longitudinal beam, reinforcing turn-over, rib strip, reinforcing groove, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a protect before car, encloses fender (1) including being located the anterior preceding of locomotive, its characterized in that, the bottom of enclosing fender (1) before is connected with and bursts backplate (2) down, it transversely is equipped with on backplate (2) are close to the top surface or the bottom surface of rear of a vehicle direction to burst to contract strengthens strip (3), strengthens the both ends of strip (3) and is connected with linking bridge (4) towards the anterior direction extension of locomotive, linking bridge (4) still with burst and contract backplate (2) down and link to each other.

2. The automobile front bumper according to claim 1, characterized in that the connecting bracket (4) is provided with a first connecting arm (5) and a second connecting arm (6) which are arranged in a crossed manner, the first connecting arm (5) is connected with the reinforcing strip (3), and the second connecting arm (6) extends towards the front fender (1) of the front part of the automobile head and is connected with the crumpling lower guard plate (2).

3. The automobile front bumper according to claim 1 or 2, characterized in that a connecting arm III (7) extending above the lower protection plate (2) is further arranged on the connecting bracket (4), and a longitudinal beam (9) is connected to the connecting arm III (7).

4. The automobile front bumper according to claim 3, characterized in that a connecting arm four (8) crossed with the connecting arm three (7) is further arranged on the connecting bracket (4), and the connecting arm four (8) extends towards the front fender (1) of the front portion of the automobile head and is connected with the longitudinal beam (9).

5. The automobile front bumper according to claim 4, characterized in that the reinforcing strips (3) are provided with reinforcing flanges (10) on both sides facing the head and the tail of the automobile.

6. The automobile front bumper according to claim 1, characterized in that the crush boxes (2) are provided with ribs (11) protruding in a roof direction, and the ribs (11) are arranged at intervals in a vehicle body width direction.

7. The vehicle front fender according to claim 6, wherein the convex strip (11) is provided with a reinforcing groove (12) recessed toward the bottom of the vehicle.

8. Automobile front bumper according to claim 6 or 7, characterized in that the crash apron (2) is made of a glass fiber material.

9. The automobile front bumper according to claim 8, characterized in that the thickness of the crumple apron (2) in the direction of the vehicle head is smaller than the thickness in the direction away from the vehicle head.