CN116001917A - Lower support for a vehicle - Google Patents

Abstract

The invention discloses a lower support for a vehicle. The lower support is suitable for being arranged on the bottom of an air intake grille assembly of the vehicle. The lower support includes a lower support main body. The lower support main body has a weakened area and a strengthened area. The weakened area is suitable for Corresponding to the air intake grille components, the strengthened area is located on both sides of the weakened area. The present invention sets a weakened area and a strengthened area, the weakened area corresponds to a lower-strength air intake grille assembly, and the strengthened area corresponds to a stronger component, so as to prevent pedestrians from being involved in the bottom of the vehicle and reduce injuries to pedestrians.

Description

undercarriage for vehicles

technical field

The invention relates to the technical field of vehicle components, in particular to a lower support for vehicles.

Background technique

Due to the unpredictability of pedestrians' actions, traffic accidents between pedestrians and motor vehicles account for a high proportion of all traffic accidents, and pedestrians have always been a vulnerable group in the road relationship. Collision, there is a high probability of casualties.

Vehicle headlights and air intake grille components are usually installed above the lower support of the vehicle. When a vehicle collides with a pedestrian, the lower support, which is weaker than the headlight of the vehicle, deforms first, causing the pedestrian to be drawn into the bottom of the vehicle. The damage to pedestrians is greater.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. For this reason, the present invention proposes to be used for the lower support of vehicles, and different parts of the lower support are designed in a differentiated manner, so as to improve the matching degree between the lower support and surrounding parts and reduce the damage to pedestrians.

According to the lower support for a vehicle according to an embodiment of the present invention, the lower support is adapted to be arranged at the bottom of the air intake grille assembly of the vehicle, the lower support includes a lower support main body, and the lower support main body has a weakened area and a strengthened area, the weakened area is adapted to correspond to the air intake grille assembly, and the strengthened area is located on both sides of the weakened area.

According to the lower support of the vehicle in the embodiment of the present invention, by setting a weakened area and a strengthened area, the weakened area corresponds to a lower-strength air intake grille assembly, and the strengthened area corresponds to a stronger component, so as to prevent pedestrians from being involved in the bottom of the vehicle. Reduce injuries to pedestrians.

In some embodiments, the lower support further includes: an upper edge portion, the upper edge portion is provided on the front edge of the lower support body and extends upward; a first protruding structure, the first protruding structure is provided On the lower supporting body and located in the weakened area, the first protruding structure extends upward; the second protruding structure is arranged on the lower supporting body and located in the strengthening region, the second protruding structure extends upwards and is connected to the upper edge; wherein, the connection length between the second protruding structure and the upper edge is longer than that between the first protruding structure and the upper The connection length of the edge part.

In some embodiments, the second protruding structure includes: a first unit part; a second unit part, one end of the second unit part is connected to the first unit part, and the other end is connected to the upper edge part, so An included angle is formed between the second unit part and the first unit part.

In some embodiments, the second protruding structure extends upwards at least to be flush with the top surface of the upper edge portion, and the first protruding structure extends upward but lower than the top surface of the upper edge portion.

In some embodiments, the first raised structure extends upwards to the junction of the lower supporting body and the upper edge portion, or the first raised structure extends upwards beyond the junction.

In some embodiments, the first protruding structure includes a protruding connecting section adjacent to the upper edge, the top surface of the protruding connecting section is configured as a plane, and the plane is perpendicular to the upper edge the inner wall.

In some embodiments, the extended length of the second raised structure is greater than the extended length of the first raised structure.

In some embodiments, there are multiple first protruding structures, and the multiple first protruding structures are arranged at intervals in the width direction of the vehicle; wherein, the lower support has a mid-section surface, and the The farther the first protruding structure is from the middle split plane, the shorter the length of the first protruding structure is.

In some embodiments, the lower support has a lower support cutout, the lower support cutout is provided on both sides of the lower support, and the weakened area and the strengthened area are provided in the middle of the lower support cutout .

In some embodiments, the lower support cutout is at least partially configured as a smooth curve.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and comprehensible from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a schematic diagram of cooperation between the lower support and the air intake grille assembly in the embodiment of the present invention;

Fig. 2 is a structural schematic diagram 1 of the lower support in the embodiment of the present invention;

Fig. 3 is the structural schematic diagram II of the lower support in the embodiment of the present invention;

Fig. 4 is a structural schematic diagram III of the lower support in the embodiment of the present invention;

Fig. 5 is a schematic structural view of a vehicle in an embodiment of the present invention;

Fig. 6 is a schematic structural diagram of a movable support assembly in an embodiment of the present invention;

Fig. 7 is a schematic structural view of the anti-subsidence bracket in the embodiment of the present invention;

Fig. 8 is a cross-sectional view of the cooperation between the lower support and the air intake grille assembly in the embodiment of the present invention;

Fig. 9 is a schematic structural view of a bracket in an embodiment of the present invention;

Fig. 10 is a schematic structural diagram of an illuminating lamp in an embodiment of the present invention;

Fig. 11 is a schematic diagram of the cooperation of the bracket, the lighting lamp and the beam in the embodiment of the present invention;

Fig. 12 is a schematic diagram of the coordination of the bracket, the lighting lamp, the beam and the mounting bracket assembly in the embodiment of the present invention;

Fig. 13 is a schematic structural diagram of the hood in the embodiment of the present invention.

Reference signs:

100. Vehicles;

21. Lower support; 211. Lower support body; 2111. Weakened area; 2112. Strengthened area; 212. Upper edge; 213. First protruding structure; 2131. Protruding connecting section; 214. Second protruding structure; 2141, the first unit part; 2142, the second unit part; 215, the lower support cutout part; 216, the contact part; 2161, the contact surface; 217, the skin connection part;

31. Air intake grille assembly; 311. Fitting part; 3111. Fitting surface; 312. First end; 313. Second end; 314. Air intake grille; 315. Grille frame; 316. Diameter changer;

41. Lighting lamp; 411. Main body of lighting lamp; 412. First installation part; 413. Second installation part; 414. Third installation part;

42. Bracket part; 421. Bracket connection part; 422. Avoidance part; 423. Connection base; 4231. Directional weakening groove; 424. Bracket main body; 425. First extension part; 426. Second extension part; 427. Extension arm;

43. Beam piece; 44. Mounting bracket assembly; 441. Bracket cantilever; 451. Vehicle skin;

51. Movable support assembly; 511. First fitting; 5111. Anti-sinking bracket; 512. Second fitting;

52. Machine cover; 521. Outer plate; 522. Inner plate; 5221. Inner recess; 5222. Weakened hole; 523. Reinforcement plate; 5232. Strengthening main body;

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or Elements must have certain orientations, be constructed and operate in certain orientations, and therefore should not be construed as limitations on the invention.

In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of these features, which are used to describe the features differently, without order or importance.

In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

The lower support 21 for a vehicle according to the embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in Fig. 1 and Fig. 5, according to the lower support 21 for a vehicle according to the embodiment of the present invention, the lower support 21 is suitable for being arranged on the bottom of the air intake grille assembly 31 of the vehicle 100, and the lower support 21 includes a lower support body 211 The lower supporting body 211 has a weakened area 2111 and a strengthened area 2112 , the weakened area 2111 is adapted to correspond to the air intake grille assembly 31 , and the strengthened area 2112 is located on both sides of the weakened area 2111 .

Wherein, the strengthened area 2112 is located on both sides of the weakened area 2111 , there are vehicle headlights on both sides of the air intake grille assembly 31 , and the vehicle headlights are stronger than the air intake grille assembly 31 .

The inventor of the present application has carefully observed and explored a large number of accident vehicles, and found that in the related art, the lower support has not been designed specifically for the situation of the air intake grille assembly and the vehicle headlights, so that the strength of each part of the lower support is consistent, This situation results in that when the vehicle collides with pedestrians, the lower support, which is weaker than the vehicle headlight, deforms earlier. It can be understood that the lower support is located under the vehicle headlight, and the lower support deforms earlier than the vehicle headlight. In the event of a collision with a pedestrian, the pedestrian is likely to be drawn under the vehicle.

Through the targeted design of the lower support 21 in this application, the part of the lower support 21 corresponding to the headlight of the vehicle is set as a strengthened area 2112, and the part of the lower support 21 corresponding to the air intake grille assembly 31 is set as a weakened area 2111. When a collision occurs, the probability of pedestrians being drawn into the bottom of the vehicle 100 is reduced.

It should be noted that the present application has a targeted design for the lower support 21, and the part of the lower support 21 corresponding to the air intake grille assembly 31 is set as a weakened area 2111, which reduces the waste required for strengthening and improves the utilization rate.

According to the lower support 21 of the vehicle 100 in the embodiment of the present invention, by setting the strengthened area 2112 and the weakened area 2111 on the lower support 21, the probability of pedestrians being involved in the bottom of the vehicle 100 is reduced, thereby reducing the impact on pedestrians. damage while increasing utilization and reducing costs.

As shown in FIG. 1 and FIG. 2 , in some embodiments, the lower support 21 further includes: an upper edge portion 212 , a first protruding structure 213 , and a second protruding structure 214 .

The upper edge portion 212 is disposed on the front edge of the lower supporting body 211 and extends upward.

The first protruding structure 213 is disposed on the lower supporting body 211 and located at the weakened area 2111 , the first protruding structure 213 extends upward and connects with the upper edge portion 212 . Wherein, the first protruding structure 213 is arranged on the lower supporting body 211 to exert the effect of increasing the strength of the lower supporting body 211 .

The second protruding structure 214 is disposed on the lower supporting body 211 and located in the strengthening area 2112 , the second protruding structure 214 extends upward and connects with the upper edge portion 212 . Wherein, the second protruding structure 214 is provided on the lower supporting body 211 to exert the effect of increasing the strength of the lower supporting body 211 .

Wherein, the connection length between the second protrusion structure 214 and the upper edge portion 212 is greater than the connection length between the first protrusion structure 213 and the upper edge portion 212 . That is to say, the second protruding structure 214 supports more of the upper edge portion 212 than the first protruding structure 213, thereby increasing the strength.

As shown in FIG. 2 and FIG. 3 , in some embodiments, the second protruding structure 214 includes: a first unit part 2141 and a second unit part 2142 .

One end of the second unit part 2142 is connected to the first unit part 2141 , and the other end is connected to the upper edge part 212 , and an angle is formed between the second unit part 2142 and the first unit part 2141 . By setting the included angle between the first unit part 2141 and the second unit part 2142, when the vehicle 100 collides with a pedestrian, the first unit part 2141 and the second unit part 2142 are bent at the included angle, reducing the pertinence. the difficulty of collapse.

As shown in FIG. 2 and FIG. 3 , in some embodiments, the second protruding structure 214 extends upwards at least to the top surface of the upper edge portion 212 , and the first protruding structure 213 extends upward but lower than the upper edge portion 212 top surface.

That is to say, the top surface of the second raised structure 214 can be flush with the top of the upper edge portion 212, the top surface of the second raised structure 214 can also be higher than the top surface of the upper edge portion 212, the second raised structure 214 completely supports the upper edge portion 212 , thereby further improving the strength of supporting the upper edge portion 212 .

Wherein, the first protruding structure 213 extends upward but is lower than the top surface of the upper edge portion 212, the first protruding structure 213 may extend upward but not contact the upper edge portion 212, that is to say, the first protruding structure 213 is in contact with the upper edge portion 212. The connection length of the upper edge portion 212 is zero; the first protruding structure 213 can also touch the upper edge, but the top surface of the first protruding structure 213 is lower than the top surface of the upper edge portion 212 .

It can be understood that the second protruding structure 214 is differentiated from the second protruding structure 214 relative to the upper edge portion 212 , thereby forming a different support for the upper edge portion 212 and improving pertinence.

In some embodiments, the first protruding structure 213 extends upward to the junction of the lower supporting body 211 and the upper edge portion 212 , or the first protruding structure 213 extends upward beyond the junction, further restricting the first protruding structure 213 lower limit.

For example, the first protruding structure 213 extends upwards to the junction of the lower supporting body 211 and the upper edge portion 212, that is, the connection length between the first protruding structure 213 and the upper edge portion 212 is zero, and the collision between the vehicle 100 and the pedestrian During a collision, the junction of the lower support body 211 and the upper edge portion 212 provides a collision bending point, which reduces the difficulty of deformation of the lower support 21 .

Alternatively, the first protruding structure 213 extends upward beyond the junction, that is, the connection length between the first protruding structure 213 and the upper edge portion 212 is greater than zero, and the first protruding structure 213 exerts a supporting effect on the upper edge portion 212 .

As shown in FIG. 2 , in some embodiments, the first raised structure 213 includes a raised connecting section 2131 adjacent to the upper edge 212 , the top surface of the raised connecting section 2131 is configured as a plane, and the plane is perpendicular to the upper edge. 212 inner wall. By setting the plane perpendicular to the inner wall of the upper edge portion 212 , that is, the plane forms a right angle with the inner wall, the bending of the upper edge portion 212 is facilitated when the vehicle 100 collides.

As shown in FIG. 2 and FIG. 3 , in some embodiments, the extension length of the second protrusion structure 214 is greater than the extension length of the first protrusion structure 213 . By setting the extension length of the second protrusion structure 214 to be greater than the extension length of the first protrusion structure 213, so that the action area of the second protrusion structure 214 is larger than the action area of the first protrusion structure 213, distinguishing the strengthened area 2112 from the weakened area 2111.

As shown in FIG. 3 , in some embodiments, there are multiple first protruding structures 213 , and the multiple first protruding structures 213 are arranged at intervals along the width direction of the vehicle 100 . Wherein, the lower support 21 has a mid-section plane, and the farther the first protruding structure 213 is from the mid-section plane, the shorter the length of the first protruding structure 213 is. By arranging the farther the first protruding structure 213 is from the middle split plane, the shorter the length of the first protruding structure 213 is, so that the first protruding structure 213 strengthens the strength of the lower supporting body 211 in a targeted manner, and further improves pertinence.

Specifically, the middle split plane is a virtual plane, and a plurality of first protruding structures 213 are on both sides of the middle split plane. Longer, thus affecting a wider range.

As shown in FIG. 4 , in some embodiments, the lower support 21 has a lower support cutout 215 , and the lower support cutout 215 is arranged on both sides of the lower support 21 . By setting the lower support cutout 215 , part of the structure of the lower support 21 is removed in a targeted manner, and the weight of the lower support 21 is reduced without affecting the lower support 21 .

As shown in Figure 4, it should be noted that the lower support cutouts 215 are located on both sides of the lower support 21. During the collision of the vehicle 100, the inventors of the present application found that the lower support cutouts 215 The corresponding area basically does not touch pedestrians, and this application satisfies the lightweight development requirements of the vehicle 100 by setting the lower support cutout 215 .

As shown in FIG. 4 , in some embodiments, the lower support cutout portion 215 is at least partially configured as a smooth curve.

As shown in FIG. 3 and FIG. 4 , in some embodiments, the front end of the lower support 21 is provided with a skin connection part 217 , and the skin connection part 217 is connected to the vehicle skin 451 .

As shown in FIG. 5 and FIG. 12 , in some embodiments, the vehicle 100 includes: a vehicle body, a lower support 21 , an air intake grille assembly 31 , a bracket 42 and a lighting lamp 41 .

The lower support 21 is provided on the vehicle body. The intake grill assembly 31 is arranged on the lower support 21 . The bracket member 42 is disposed on the vehicle body and above the lower support 21 . The illuminating lamp 41 is arranged on the bracket member 42 .

According to the vehicle 100 of the embodiment of the present invention, through the arrangement of the lower support 21 , the air intake grille assembly 31 , the bracket 42 and the lighting lamp 41 , the injuries to pedestrians are reduced.

As shown in Figure 6, in some embodiments, the vehicle 100 also includes: a movable support assembly 51, the movable support assembly 51 is arranged on the vehicle body, and the movable support assembly 51 is connected to the support member 42, so that the support member 42 is positioned at the front and rear of the vehicle 100 direction to move. By arranging the movable support assembly 51 , the support member 42 has a certain amount of activity, and when the vehicle 100 collides with a pedestrian, it provides a certain buffer and reduces the damage to the pedestrian.

At the same time, it should be noted that the movable support assembly 51 makes the bracket 42 easier to collapse backwards during a collision. When the vehicle 100 collides with a pedestrian, the lower support 21 can support the pedestrian's calf, and the lighting lamp 41 is installed on the bracket. 42 and above the lower support 21, the part above the pedestrian's calf will turn towards the direction of the vehicle 100, and the pedestrian can finally lie on the hood 52, reducing the risk of being involved in the bottom of the vehicle 100 and reducing the injury to pedestrians.

As shown in FIG. 6 , specifically, the vehicle body includes an anti-collision beam, and the movable support assembly 51 is arranged on the anti-collision beam.

In some embodiments, the movable support assembly 51 includes: a first fitting part 511 and a second fitting part 512 .

The first fitting part 511 is disposed on one of the vehicle body or the bracket part 42 .

The second matching part 512 is disposed on the other of the vehicle body or the bracket part 42 , and the second matching part 512 is slidably connected with the first matching part 511 to make the bracket part 42 move relative to the vehicle body.

For example, the first fitting 511 is arranged on the vehicle body, the second fitting 512 is arranged on the bracket 42, the second fitting 512 is slidingly connected with the first fitting 511, and the bracket 42 can be displaced relative to the body to provide a buffer space .

Alternatively, the second fitting 512 is arranged on the vehicle body, the first fitting 511 is arranged on the bracket 42, the second fitting 512 is slidably connected to the first fitting 511, and the bracket 42 can be displaced relative to the body to provide a buffer space .

As shown in Fig. 6 and Fig. 13, in some embodiments, the first fitting 511 includes: an anti-sinking bracket 5111, and a through hole is provided on the anti-sinking bracket 5111, and the second fitting 512 includes: a moving column, a moving The column is arranged in the through hole so that the moving column can slide in the through hole, and the structure is simple and durable.

Specifically, the through hole is configured as a tapered hole, the moving post is configured as a tapered post, and the tapered hole is connected with the tapered post to limit the one-way movement of the support member 42 . For example, the backward movement of the support member 42 is limited, the support member 42 only moves backward, and the support member 42 will not shake.

As shown in FIG. 8 , in some embodiments, the lower support 21 is provided with an abutting portion 216 . The air intake grille assembly 31 is provided with matching portions 311 corresponding to the abutting portions 216 , and the matching portions 311 are arranged behind the abutting portions 216 at intervals in the front-rear direction of the vehicle 100 .

Wherein, the air intake grille assembly 31 is located above the lower support 21, and in the front-rear direction of the vehicle 100, the matching portion 311 on the air intake grille assembly 31 and the abutting portion 216 on the lower support 21 are arranged at intervals. In the event of a collision, the space between the matching portion 311 and the abutting portion 216 enables the lower support 21 to move backward, thereby providing a certain buffer space, and reducing the injury to the pedestrian when the vehicle 100 collides with the pedestrian's calf.

Simultaneously, the mating portion 311 and the abutting portion 216 are in the front-rear direction of the vehicle 100, and the mating portion 311 moving backward may contact the abutting portion 216. When the vehicle 100 collides with the pedestrian's calf, the lower support 21 can support the pedestrian's calf to avoid Pedestrians are involved in the bottom of the car, thereby reducing the injury to pedestrians.

It can be understood that the lower support 21 plays the role of the pedestrian protection lower leg beam, so that the vehicle 100 reduces a single pedestrian protection lower leg beam, and optimizes the structure.

According to the vehicle 100 of the embodiment of the present invention, through the cooperation of the abutting part 216 and the matching part 311, the setting of "weak front and strong rear" is realized. When the vehicle 100 collides with the pedestrian's calf, a certain buffer space is provided to reduce Damage to the pedestrian's calf, and at the same time support the pedestrian's calf to prevent the pedestrian from being involved in the bottom of the vehicle 100 .

As shown in FIG. 2 , FIG. 3 and FIG. 8 , in some embodiments, the abutment portion 216 includes an abutment surface 2161, and the mating portion 311 includes a mating surface 3111, and the mating surface 3111 and the abutment surface 2161 are at least partially Is on. By arranging the matching surface 3111 to at least partially face the abutting surface 2161 in the front-rear direction, the probability that the abutting portion 216 contacts the matching portion 311 is increased.

It can be understood that the mating surface 3111 and the abutting surface 2161 are at least partially facing each other in the front-rear direction, and the abutting portion 216 can smoothly contact the mating portion 311 during the movement of the lower support 21, while the abutting surface 2161 and the mating surface 3111 can better touch.

As shown in FIG. 1 and FIG. 2 , in some embodiments, the lower support 21 includes: a lower support body 211 and a first protruding structure 213 .

The first protruding structure 213 is arranged on the lower supporting body 211, the abutting portion 216 is arranged on the first protruding structure 213 and extends toward the direction of the air intake grille assembly 31, the abutting surface 2161 includes the abutting portion 216 facing backward. On the side, the mating surface 3111 includes the front side of the air intake grille assembly 31 . By arranging the abutting portion 216 to extend toward the direction of the air intake grill assembly 31 , the probability of the abutting portion 216 being in contact with the mating portion 311 is increased.

Wherein, the abutment surface 2161 includes the rearward side of the abutment portion 216, and the mating surface 3111 includes the frontward side of the air intake grille assembly 31. During the process of the lower support 21 moving backward, the abutment surface 2161 has a high probability of natural contact and fit. Face 3111.

As shown in Fig. 2 and Fig. 3, in some embodiments, there are a plurality of abutting parts 216, and the plurality of abutting parts 216 are distributed at intervals in the left and right direction of the vehicle 100, and the plurality of abutting parts 216 on the plurality of abutting parts 216 The connecting surfaces 2161 are coplanar and correspond to the same mating surface 3111 . By setting the multiple abutting surfaces 2161 on the multiple abutting parts 216 to be coplanar and corresponding to the same mating surface 3111, the probability of the abutting surface 2161 contacting the mating surface 3111 is further increased. The surface 2161 is in contact with the mating surface 3111 , so that the connection between the contact portion 216 and the mating portion 311 is more stable.

In some embodiments, the projections of the plurality of abutting surfaces 2161 on the plane where the matching surface 3111 is located are all on the matching surface 3111 . That is to say, the total size of the plurality of abutting surfaces 2161 is smaller than the size of the mating surface 3111 , in the width direction of the vehicle 100 , the space is reasonably utilized and the structure is compact.

As shown in Fig. 1 and Fig. 3, in some embodiments, the lower support 21 is adapted to be arranged on the bottom of the air intake grille assembly 31, the lower support body 211 has a weakened area 2111 and a strengthened area 2112, the weakened area 2111 is suitable for Corresponding to the air intake grille assembly 31 , the strengthened area 2112 is located on both sides of the weakened area 2111 .

Wherein, the strengthened area 2112 is located on both sides of the weakened area 2111 , there are vehicle headlights on both sides of the air intake grille assembly 31 , and the vehicle headlights are stronger than the air intake grille assembly 31 .

The inventor of the present application has carefully observed and explored a large number of accident vehicles, and found that in the related art, the lower support has not been designed specifically for the situation of the air intake grille assembly and the vehicle headlights, so that the strength of each part of the lower support is consistent, This situation results in that when the vehicle collides with pedestrians, the lower support, which is weaker than the vehicle headlight, deforms earlier. It can be understood that the lower support is located under the vehicle headlight, and the lower support deforms earlier than the vehicle headlight. In the event of a collision with a pedestrian, the pedestrian is likely to be drawn under the vehicle.

Through the targeted design of the lower support 21 in this application, the part of the lower support 21 corresponding to the headlight of the vehicle is set as a strengthened area 2112, and the part of the lower support 21 corresponding to the air intake grille assembly 31 is set as a weakened area 2111. When a collision occurs, the probability of pedestrians being drawn into the bottom of the vehicle 100 is reduced.

It should be noted that the present application has a targeted design for the lower support 21, and the corresponding air intake grille assembly 31 on the lower support 21 is set as a weakened area 2111, which reduces the waste required for strengthening and improves the utilization rate.

As shown in FIG. 1 and FIG. 2 , in some embodiments, the lower support 21 further includes: an upper edge portion 212 and a second protruding structure 214 .

The upper edge portion 212 is disposed on the front edge of the lower supporting body 211 and extends upward.

The second protruding structure 214 is disposed on the lower supporting body 211 and located in the strengthening area 2112 , the second protruding structure 214 extends upward and connects with the upper edge portion 212 . Wherein, the second protruding structure 214 is provided on the lower supporting body 211 to exert the effect of increasing the strength of the lower supporting body 211 .

Wherein, the first protruding structure 213 is located in the weakened area 2111 , and the first protruding structure 213 extends upward and connects with the upper edge portion 212 . That is to say, the second protruding structure 214 supports more of the upper edge portion 212 than the first protruding structure 213, thereby increasing the strength.

As shown in Fig. 1 and Fig. 8, in some embodiments, the air intake grille assembly 31 has a first end 312 and a second end 313, and the first end 312 and the second end 313 are arranged on the air intake grille assembly 31. opposite sides.

Wherein, the lower support 21 includes: a lower support body 211 and an upper edge portion 212, the upper edge portion 212 is arranged on the front edge of the lower support body 211 and extends upward, the first end 312 stops against the upper edge portion 212, and the second end 313 connects the lower The main body 211 is supported. The intake grill assembly 31 is stabilized on the lower support 21 through the first end 312 and the second end 313 .

As shown in FIG. 1 and FIG. 8 , in some embodiments, the intake grill assembly 31 includes: an intake grill 314 , a grill frame 315 and a variable diameter member 316 .

The air intake grill 314 is disposed in the grill frame 315 , and the grill frame 315 is connected to the lower supporting body 211 .

At least part of the axial cross-sectional area of the diameter reducing member 316 becomes smaller, the diameter reducing member 316 communicates with the grid frame 315 , and the diameter reducing member 316 stops against the upper edge portion 212 . The air intake volume of the air intake grille assembly 31 is increased by setting the reducing member 316 to improve the effect.

In some specific embodiments, the diameter reducing member 316 is made of silica gel, and the softer diameter reducing member 316 not only ensures a larger air intake, but also allows the lower support 21 to move backward freely.

As shown in FIG. 8 , in some embodiments, the intake grill 314 is disposed above the abutting portion 216 . It can be understood that the air intake grille 314 is arranged above the abutting portion 216, and when the lower support 21 moves backward, the air intake grille 314 is avoided, thereby reducing the maintenance cost.

In some specific embodiments, the air intake grille 314 includes an active air intake grille, which can actively change the opening and closing of the air intake grille 314 to control the amount of air intake and wind resistance, thereby improving fuel efficiency. Economical, quickly reaches the engine's better operating temperature. For example, when driving at low temperature and starting cold, the active air intake grill is closed, so that the cold air does not directly hit the radiator for forced heat dissipation, thereby quickly increasing the water temperature of the engine and saving fuel.

In some embodiments, the air intake grille assembly 31 includes: a first air intake grille assembly and a second air intake grille assembly, the first air intake grille assembly is arranged on the lower support 21, and the second air intake grille assembly Set on the vehicle skin 451 .

As shown in FIG. 9 , in some embodiments, the bracket member 42 includes: a bracket connecting portion 421 and an escape portion 422 . The bracket connecting portion 421 is connected to the lighting lamp 41 . The escape portion 422 is located at the rear of the connection portion in the front-rear direction of the vehicle 100 , and the escape portion 422 is used to avoid the bracket connection portion 421 .

Wherein, the support connecting part 421 is connected with the lighting lamp 41, and when the vehicle 100 collides with a pedestrian, the avoidance part 422 exerts an avoidance effect, that is to say, the disconnected bracket connecting part 421 will not be supported, increasing the size of the lighting lamp 41. The crumple space increases the cushioning, thereby reducing the damage to pedestrians.

According to the vehicle 100 of the embodiment of the present invention, by setting the avoidance part 422 to avoid the collapsible bracket connection part 421, the collapsible space of the lighting lamp 41 is increased, thereby reducing the injury suffered by pedestrians.

As shown in FIG. 9 , in some embodiments, the escape portion 422 includes an avoidance hole, and the avoidance hole is provided at the rear side of the bracket connecting portion 421 . When the vehicle 100 collides with a pedestrian, the avoidance hole can avoid the disconnected bracket connection portion 421 , so that the rearward moving illuminating lamp 41 has a larger collapse space, reducing the injury to the pedestrian.

As shown in FIG. 10 , in some embodiments, the lighting lamp 41 includes: a lighting lamp main body 411 , a first installation part 412 and a second installation part 413 .

The first installation part 412 is provided on the lighting lamp main body 411 , the first installation part 412 extends in the front-rear direction of the vehicle 100 , and the first installation part 412 is connected to the bracket part 42 .

The second mounting portion 413 is provided on the lighting lamp main body 411 , the second mounting portion 413 extends in the vertical direction of the vehicle 100 , and the second mounting portion 413 is connected to the bracket connecting portion 421 .

Wherein, the first installation part 412 extends in the front-rear direction of the vehicle 100, and the second installation part 413 extends in the up-down direction of the vehicle 100, that is to say, the illuminating lamp main body 411 is supported in two directions, thereby improving the illumination. Stability of the lamp body 411 .

As shown in FIGS. 9 to 11 , in some embodiments, the bracket 42 further includes: a connection base 423 connected to the first mounting portion 412 , and a directional weakening groove 4231 is provided on the connection base 423 . Through the arrangement of the connection base 423 and the directional weakening groove 4231 , the strength of the connection base 423 is directionally weakened, which reduces the difficulty of the first mounting portion 412 from collapsing.

Specifically, the directional weakening groove 4231 is provided at the bottom of the connection base 423 to reduce the cross-sectional area of the connection base 423 and increase the force per unit area.

As shown in FIGS. 9 to 11 , in some embodiments, the bracket 42 further includes: a bracket body 424 , a first extension 425 and a second extension 426 .

The second mounting portion 413 is disposed on the bracket main body 424 .

The first extension portion 425 is disposed on the bracket main body 424 , and the escape portion 422 is disposed on the first extension portion 425 .

The second extension portion 426 is connected to an end of the first extension portion 425 away from the bracket main body 424 , the second extension portion 426 extends in the front-rear direction, and the connection base 423 is disposed on the second extension portion 426 .

Wherein, the second installation portion 413 is disposed on a side of the bracket connecting portion 421 facing the first extension portion 425 , and the first installation portion 412 extends above the second extension portion 426 and is close to the second extension portion 426 . The second installation part 413 is arranged on the side of the bracket connection part 421 facing the first extension part 425, that is to say, the second installation part 413 is at the rear of the bracket connection part 421, which is convenient for disconnecting the second bracket connection part 421. The mounting part 413 moves backward to reduce the difficulty of collapse.

At the same time, the arrangement of the first extension part 425 and the second extension part 426 facilitates the connection between the bracket part 42 and each component, and provides space for the installation of each component.

As shown in FIG. 11 and FIG. 12 , in some embodiments, the vehicle 100 further includes: a cross member 43 and a mounting bracket assembly 44 .

The beam member 43 is disposed on the bracket member 42 . One end of the mounting bracket assembly 44 is connected to the beam 43 , and the other end of the lighting lamp 41 . The lighting lamp 41 is stabilized by connecting the mounting bracket assembly 44 to the lighting lamp 41 .

In some embodiments, the illuminating lamp 41 further includes: a third installation part 414, and the installation bracket assembly 44 includes: a bracket cantilever 441, the bracket cantilever 441 extends toward the direction where the third installation part 414 is located, and the bracket cantilever 441 is connected to the third installation part 414. Wherein, the structure of the support cantilever 441 is relatively weak to facilitate the collapse of the illuminating lamp 41 .

As shown in Figures 10 to 12, in some embodiments, there are two third installation parts 414, and the two third installation parts 414 are provided at both ends of the lighting lamp main body 411, and the two third installation parts 414 are arranged along the front and rear The first mounting portion 412 is disposed between the two third mounting portions 414 extending in the direction. Through the two third installation parts 414, the illuminating lamp 41 is more stable.

Wherein, the first installation part 412 is located between the two third installation parts 414, and the two third installation parts 414 extend along the front-back direction, which improves consistency and facilitates production.

In some embodiments, an escape groove is provided on the lighting lamp 41 for avoiding other components. Avoid hard points by setting avoidance grooves, so that the illuminating lamp 41 is easier to collapse.

As shown in FIG. 9 , in some embodiments, the vehicle 100 also includes: a vehicle body, and the bracket 42 also includes: an extension arm 427, the extension arm 427 is arranged on the bracket body 424, and the end of the extension arm 427 away from the bracket body 424 is connected to the body . Through the setting of the extension arm 427, the modal of the bracket member 42 is stabilized, and the installation reliability is improved.

Specifically, the vehicle body includes a vehicle skin 451 connected to the extension arm 427 .

As shown in FIG. 13 , in some embodiments, the vehicle 100 further includes: a hood 52 rotatably provided on the vehicle body. The machine cover 52 includes: an outer panel 521 , an inner panel 522 and a reinforcement panel 523 .

The outer surface of the outer plate 521 is configured as a bearing surface, and the bearing surface is used for bearing impact. The outer plate 521 and the inner plate 522 jointly define an intermediate space. The intermediate space jointly defined by the outer plate 521 and the inner plate 522 provides a certain buffer for pedestrians, thereby reducing injuries suffered by pedestrians.

The reinforcing plate 523 is disposed in the middle space, and a weakening structure is disposed on the reinforcing plate 523 . By providing a weakening structure on the reinforcing plate 523 , part of the strength of the reinforcing plate 523 is directional weakened, thereby facilitating the directional collapse of the machine cover 52 .

As shown in FIG. 13 , in some embodiments, the inner panel 522 is provided with an inner concave portion 5221 , and the inner concave portion 5221 fits the weakened structure. The weakened structure fits the inner concave part 5221, so that the inner panel 522 and the reinforcement panel 523 are bent at the same position, and the overall hood 52 is collapsed and bent at one point, further reducing the damage to pedestrians.

As shown in FIG. 13 , in some embodiments, the reinforcing plate 523 includes: a reinforcing body 5232 and supporting feet 5233 .

The reinforcing body 5232 is connected to the outer panel 521 .

One end of the support leg 5233 is connected to the reinforcing body 5232 , and the other end is connected to the inner panel 522 .

Wherein, there are multiple supporting feet 5233 , and the inner plate 522 is provided with weakening holes 5222 , and the weakening holes 5222 are arranged between two adjacent supporting feet 5233 . By setting the weakening hole 5222 on the inner plate 522, the structural strength of the inner plate 522 is weakened, and the collapse of the hood 52 is further facilitated, thereby reducing injuries to pedestrians.

It should be noted that the weakening hole 5222 is located between two adjacent supporting feet 5233 , which weakens the support of the supporting feet 5233 and makes the machine cover 52 more likely to collapse.

Specifically, the supporting legs 5233 exert a supporting effect to support the reinforcing body 5232, and the reinforcing body 5232 supports the outer plate 521. When the outer plate 521 is subjected to an impact, the impact force received by the outer plate 521 is dispersed on a plurality of supporting legs 5233 and then transmitted to the inner plate 5232. board 522.

The vehicle 100 of the embodiment of the present application has the following improvements:

(1) A kind of vehicle 100 described in the present invention has a reasonable design, and combines rigidity and flexibility. Under the condition of ensuring the installation strength of each component and the lighting lamp 41, it is beneficial to pedestrians when they collide with the vehicle 100. Leg protection.

(2) The lower support 21 described in the present invention is an integrated structure, which replaces the traditional independent pedestrian protection calf beam, and reduces the weight of the whole vehicle.

(3) Protruding features are designed on the reinforcing ribs of the lower support 21 described in the present invention. After the collision occurs, the legs of the pedestrian intrude inward. The lower body of the active air intake grille supports the calf and prevents the lower part of the leg-shaped downward support 21 from bending. Since the upper part of the lower support 21 is generally weak in rigidity, the thighs of pedestrians continue to intrude inward, making pedestrians When the vehicle 100 collides, the whole vehicle 100 falls from top to bottom.

(4) The anti-sinking bracket 5111 arranged on the anti-collision beam supports the bracket 42 and its accessories in the Z direction to prevent poor peripheral clearance caused by the sinking of the bracket 42 in durable working conditions; When the vehicle 100 collides, the anti-collision beam of the vehicle 100 is guided to move in the X direction to provide sufficient collapse space for the legs of pedestrians; the support member 42 has a special-shaped avoidance design to ensure that the lighting lamp 41 has sufficient collapse space. 41 avoids the protrusions on both sides to prevent hitting the rear hard point in the event of a collision.

(5) The illuminating lamp 41 is distributed through reasonable installation points, and is connected with the independent bracket 42 and the installation bracket assembly 44 to ensure its installation rigidity and modality.

(6) The installation point between the bracket 42 and the lighting lamp 41 is directional weakened to ensure the installation strength in the Z direction, and at the same time make the installation point invalid in the event of a collision, preventing pedestrian leg injuries caused by excessive rigidity from exceeding the standard .

(7) The front end of the inner plate 522 of the hood 52 is bent upwards, so that it can collapse backwards when colliding with the pedestrian's hip, reducing the damage of the pedestrian's hip; the supporting foot 5233 of the reinforcing plate 523 is also The front end of the inner panel 522 is also designed with a lot of weakened openings, which weakens the rigidity of the front end, so that pedestrians can collide. Fall back.

(8) The middle area of the lower support 21 has a bending structure, and the reinforcing ribs at both ends extend directly to the top, so as to realize a reasonable distribution of rigidity.

Other configurations and operations of the lower support 21 of the vehicle according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail here.

In the description of this specification, a description referring to the terms "embodiment", "example" and the like means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention . In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the invention is defined by the claims and their equivalents.

Claims (10)

1. A lower support for a vehicle, the lower support being adapted to be disposed at a bottom of an intake grill assembly of the vehicle, the lower support comprising a lower support body having a weakened area adapted to correspond to the intake grill assembly and a reinforced area located on either side of the weakened area.

2. The lower support for a vehicle of claim 1, further comprising:

an upper edge portion provided at a front edge of the lower support body and extending upward;

a first bump structure disposed on the lower support body and located in the weakened region, the first bump structure extending upward;

the second bulge structure is arranged on the lower support main body and positioned in the strengthening area, extends upwards and is connected with the upper edge part;

the connection length of the second protruding structure and the upper edge part is longer than that of the first protruding structure and the upper edge part.

3. The lower support for a vehicle of claim 2, wherein the second bump structure comprises:

a first unit section;

and one end of the second unit part is connected with the first unit part, the other end of the second unit part is connected with the upper edge part, and an included angle is formed between the second unit part and the first unit part.

4. The lower support for a vehicle of claim 2, wherein the second raised structure extends at least upwardly to flush with the top surface of the upper edge portion and the first raised structure extends upwardly but below the top surface of the upper edge portion.

5. The lower support for a vehicle of claim 4, wherein the first raised structure extends upwardly to or beyond an intersection of the lower support body and the upper edge portion.

6. The lower support for a vehicle of claim 5, wherein the first bump structure includes a bump connecting section adjoining the upper edge portion, a top surface of the bump connecting section being configured as a plane that is perpendicular to an inner wall of the upper edge portion.

7. The lower support for a vehicle of claim 2, wherein the second raised structure has an extension greater than an extension of the first raised structure.

8. The lower support for a vehicle according to claim 7, wherein the first projection structure is plural, and the plural first projection structures are arranged at intervals in a width direction of the vehicle;

wherein, the lower support has the median plane, the farther the first protruding structure is from the median plane, the length of the first protruding structure is less.

9. The lower support for a vehicle according to any one of claims 1 to 8, characterized in that the lower support has a lower support cutout portion provided on both sides of the lower support, the weakened region, the reinforced region being provided in the middle of the lower support cutout portion.

10. The lower support for a vehicle of claim 9, wherein the lower support cutout is at least partially configured as a smooth curve.

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