CN221023597U

CN221023597U - Pedestrian protection device

Info

Publication number: CN221023597U
Application number: CN202322959032.1U
Authority: CN
Inventors: 庞亚军; 曹可庆
Original assignee: Shanghai Mingchen Molding Technology Co ltd
Current assignee: Shanghai Mingchen Molding Technology Co ltd
Priority date: 2023-11-02
Filing date: 2023-11-02
Publication date: 2024-05-28
Anticipated expiration: 2033-11-02

Abstract

The utility model provides a pedestrian protection device, which comprises a front bumper, wherein the front bumper is of an arc-shaped structure, a lower bumper and a lower leg protection beam are respectively arranged on the inner arc side of the arc-shaped structure, the bottom side of the lower leg protection beam is connected with the lower bumper through a plurality of first screws, and the two sides of the lower leg protection beam are connected with a suspension through a plurality of second screws; the front end of the lower bumper is mounted on the front bumper through a plurality of buckles and third screws, the rear end of the lower bumper is locked below the longitudinal beam through a plurality of fourth screws, and the lower leg protection beam comprises a hook structure which is mounted on a hanging hole of the lower bumper. The utility model protects pedestrians in the collision accident through the supporting structure on the shank protection beam, the hook structure on the shank protection beam can avoid the sinking deformation of the lower bumper, the damage to the pedestrians in the collision accident process is reduced through the structure, the production cost is low, and the requirements of various low-speed collisions and pedestrian protection of the automobile bumper can be met.

Description

Pedestrian protection device

Technical Field

The utility model relates to the technical field of front bumpers of vehicles, in particular to a pedestrian protection device.

Background

As consumer selectivity to purchase automobiles increases, the automobile bumper appearance is adjusted to meet consumer aesthetic requirements. At present, the requirements of pedestrian protection of automobiles are continuously improved, and the contradiction between the requirements of functions of bumper products is also becoming more and more obvious. In a collision accident of a vehicle, the bumper is first brought into contact with the outside, so that the bumper product needs to meet various collision regulation requirements including pedestrian protection, low-speed collision, etc., and the bumper is required to absorb collision energy in various collision regulation requirements, and has a crumple space in the positive X direction to protect the sheet metal of the vehicle body and pedestrians. The prior art has the following technical defects: because the mounting points of some bumper connecting longitudinal beams are relatively back, and the bumper structure is softer, deformation and the like can occur in the collision process, so that energy cannot be effectively absorbed, and serious damage is caused to a collision object and a vehicle per se.

Therefore, how to design a pedestrian protection apparatus becomes an urgent problem to be solved.

Disclosure of utility model

The present utility model is directed to solving at least one of the above-mentioned problems with the prior art by providing a pedestrian protection apparatus.

The technical scheme of the utility model is as follows: the pedestrian protection device comprises a front bumper, wherein the front bumper is of an arc-shaped structure, a lower bumper and a lower leg protection beam are respectively arranged on the inner arc side of the arc-shaped structure, the bottom side of the lower leg protection beam is connected with the lower bumper through a plurality of first screws, and two sides of the lower leg protection beam are connected to a suspension through a plurality of second screws; the front end of the lower bumper is mounted on the front bumper through a plurality of buckles and third screws, the rear end of the lower bumper is locked below the longitudinal beam through a plurality of fourth screws, and the lower leg protection beam comprises a hook structure which is mounted on a hanging hole of the lower bumper.

The pedestrian protection device protects pedestrians in a collision accident through the supporting structure on the shank protection beam, the hook structure on the shank protection beam can avoid the sinking deformation of the lower bumper, the damage to the pedestrians in the collision accident process is reduced through the structure, the production cost is low, and the requirements of various low-speed collisions and pedestrian protection of the automobile bumper can be met.

Preferably, the supporting structure of the shank protection beam is a densely-distributed vertical rib structure.

According to the support structure with densely distributed vertical ribs for the calf protection beams, the calf pedestrian protection beams can collapse and deform in the collision process, the vertical ribs can provide effective support counter force, the risk of fracture caused by overlarge calf stress in the collision process can be avoided, and the damage to knee joints is reduced.

Drawings

Fig. 1 is a schematic view of the mounting structure of the present utility model.

Fig. 2 is a schematic view showing a connection structure of the lower leg shield and the lower bumper of the present utility model.

Fig. 3 is a schematic view of the mounting structure of the shank protector and the suspension of the present utility model.

In the figure: 1. a shank protection beam; 2. a lower bumper; 3. a front bumper; 4. a suspension; 101. a main body; z-shaped bumps; z-beam; 104. and a vertical plate.

Detailed Description

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

Referring to fig. 1-3, the structures, proportions, sizes, etc. shown in the drawings attached hereto are shown only in order to provide a person skilled in the art with the benefit of the present disclosure, and are not intended to limit the scope of the utility model in any way, and any structural modifications, proportional changes, or adjustments of size, which do not have any technical significance, would still fall within the scope of the present disclosure without affecting the efficacy or achievement of the present utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

Referring to fig. 1, the pedestrian protection apparatus according to the first embodiment includes a front bumper 3, wherein the front bumper 3 has an arc structure, a lower bumper 2 and a lower leg protection beam 1 are respectively disposed on an inner arc side of the arc structure, a bottom side of the lower leg protection beam 1 is connected with the lower bumper 2 through a plurality of first screws, and two sides of the lower leg protection beam 1 are connected with a suspension 4 through a plurality of second screws; the front end of the lower bumper 2 is mounted on the front bumper 3 through a plurality of buckles and third screws, the rear end of the lower bumper 2 is locked below the longitudinal beam through a plurality of fourth screws, and the lower leg protection beam 1 comprises a hook structure which is mounted on a hanging hole of the lower bumper 2. The pedestrian protection device protects pedestrians in a collision accident through the supporting structure on the lower leg protection beam, the lower leg protection beam comprises the main body and the hook structure, the lower bumper is provided with the hanging hole structure at the corresponding position, and the hook structure can avoid poor energy absorption effect caused by deformation of the bumper structure in the collision process and influence the collision effect; the problem of sinking deformation of the bumper due to self weight can be avoided in the hook structure of the shank protection beam, the damage to pedestrians caused in the collision accident process is reduced through the structure, the structure is simple, the cost is low, the energy absorption effect of the bumper can be effectively increased, the pedestrian protection performance and various low-speed collision performances are improved, the damage to the pedestrians in the collision is reduced, the effect of the low-attitude sedan model and the model of the automobile with the rear bumper relatively at the mounting point of the automobile body is particularly obvious, and the requirements of various low-speed collisions and pedestrian protection of the automobile bumper can be met.

In the second embodiment, on the basis of the first embodiment, the shank protection beam 1 further includes a body 101 symmetrically arranged, and the body 101 includes an arc beam, where the arc beam is concentric with the arc of the front bumper 3. The utility model adopts the arc-shaped beam concentric with the arc of the front bumper, and the shank protection beam is formed by symmetrical arrangement of the arc-shaped beams.

In the third embodiment, on the basis of the second embodiment, one end of the arc-shaped beam is provided with an L-shaped beam, and two L-shaped beams are contacted with one end of the arc-shaped beam. The utility model adopts the L-shaped beam arranged at one end of the arc-shaped beam, and the shank protection beam is formed by the contact of the end surfaces of the two L-shaped beams.

On the basis of the fourth embodiment and the second embodiment, referring to fig. 2, a Z-shaped protruding block 102 is disposed on an outer arc of the arc beam, a first screw hole is disposed at one end of the Z-shaped protruding block 102, which is far away from the arc beam, a first through hole is disposed on the lower bumper 2, a first screw is disposed in the first through hole, and the first screw is screwed with the first screw hole. The utility model adopts the Z-shaped protruding block arranged on the outer arc of the arc-shaped beam, and the lower bumper is connected with the Z-shaped protruding block through the first screw, thereby completing the connection of the lower leg protection beam and the lower bumper.

On the basis of the fifth embodiment and the fourth embodiment, referring to fig. 3, a Z-shaped beam 103 is disposed at the other end of the arc-shaped beam, a vertical plate 104 is disposed on one side, away from the vertical plate, of the two transverse plates of the Z-shaped beam 103, a second through hole is disposed on the vertical plate 104, a second screw hole is disposed on the suspension 4, a second screw is disposed in the second through hole, and the second screw is screwed with the second screw hole. The utility model adopts the Z-shaped beam arranged at the other end of the arc-shaped beam, and the Z-shaped beam is connected with the suspension through the second screw, thereby completing the connection of the shank protection beam and the suspension.

In a sixth embodiment, based on the fifth embodiment, the vertical plate 104 is in a 7-shaped structure, and the second through hole is disposed on the vertical plate with the 7-shaped structure. The utility model adopts the vertical plate with the 7-shaped structure, and the vertical plate is arranged at right angles with the transverse plate of the Z-shaped beam.

In a seventh embodiment, on the basis of the first embodiment, the supporting structure of the shank protection beam 1 is a densely-distributed vertical rib structure. According to the support structure with densely distributed vertical ribs for the calf protection beams, the calf pedestrian protection beams can collapse and deform in the collision process, the vertical ribs can provide effective support counter force, the risk of fracture caused by overlarge calf stress in the collision process can be avoided, and the damage to knee joints is reduced.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims

1. The utility model provides a pedestrian protection device, includes front bumper (3), and front bumper (3) are arc structure, its characterized in that: the inner arc side of the arc-shaped structure is respectively provided with a lower leg protection beam (1) and a lower bumper (2), the bottom side of the lower leg protection beam (1) is connected with the lower bumper (2) through a plurality of first screws, and two sides of the lower leg protection beam (1) are connected with a suspension bracket (4) through a plurality of second screws; the front end of the lower bumper (2) is arranged on the front bumper (3) through a plurality of buckles and third screws, the rear end of the lower bumper (2) is locked below the longitudinal beam through a plurality of fourth screws, and the lower leg protection beam (1) comprises a hook structure which is arranged on a hanging hole of the lower bumper (2).

2. A pedestrian protection apparatus in accordance with claim 1, wherein: the shank protection beam (1) further comprises symmetrically arranged main bodies (101), wherein the main bodies (101) comprise arc-shaped beams, and the arc-shaped beams are concentric with the arc of the front bumper (3).

3. A pedestrian protection apparatus in accordance with claim 2, wherein: one end of the arc-shaped beam is provided with an L-shaped beam, and one ends of the two L-shaped beams, which are far away from the arc-shaped beam, are contacted.

4. A pedestrian protection apparatus in accordance with claim 2, wherein: the novel anti-collision device is characterized in that Z-shaped protruding blocks (102) which are reversely arranged are arranged on the outer circular arc of the arc-shaped beam, a first screw hole is formed in one end, away from the arc-shaped beam, of each Z-shaped protruding block (102), a first through hole is formed in the lower bumper (2), the first screw is located in the first through hole, and the first screw is screwed with the first screw hole.

5. The pedestrian protection apparatus of claim 4 wherein: the other end of the arc-shaped beam is provided with a Z-shaped beam (103), one side, far away from the vertical plate, of the two transverse plates of the Z-shaped beam (103) is provided with a vertical plate (104), the vertical plate (104) is provided with a second through hole, the suspension (4) is provided with a second screw hole, a second screw is arranged in the second through hole, and the second screw is screwed with the second screw hole.

6. The pedestrian protection apparatus of claim 5 wherein: the vertical plate (104) is of a 7-shaped structure, and the second through holes are formed in the vertical plate of the 7-shaped structure.

7. A pedestrian protection apparatus in accordance with claim 1, wherein: the supporting structure of the shank protection beam (1) is of a densely-distributed vertical rib structure.