Automobile front bumper structure

Abstract

The utility model discloses an automobile front bumper structure, and belongs to the technical field of automobile front bumpers. The front bumper mainly comprises a front bumper body, the top of the front bumper body extends backwards to form a fixing plate, an upper grille mounting frame is fixedly arranged on the upper portion of the front bumper body, headlamp mounting frames are fixedly arranged on the two sides of the upper grille mounting frame, fog lamp mounting frames are fixedly arranged below the headlamp mounting frames, and a license plate mounting frame is fixedly arranged below the upper grille mounting frame. A trailer buckle opening is fixedly formed in one side of the license plate mounting frame, a lower grating mounting frame is fixedly arranged below the license plate mounting frame, multiple sets of lower grating buckles are fixedly connected to the back of the lower grating mounting frame, and the two sides of the front bumper body extend backwards to form side wing plates. According to the utility model, the semi-permeable slotted holes are formed, so that the structural rigidity and strength of the front bumper body are weakened and adjusted, and the injury to the legs of pedestrians is reduced. The utility model mainly provides the front bumper structure with the pedestrian protection function.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile front bumper, specifically, especially relates to an automobile front bumper structure. BACKGROUND

[0002] The front bumper of the automobile is various in shape, can be integrated with the overall appearance of the automobile and guide airflow, is usually made of plastic material, common polyester and polypropylene plastic, has strength, rigidity and decorative property, can also reduce the weight of the vehicle, can buffer impact force in low-speed collision, reduce the damage of the front and rear parts of the vehicle, reduce the maintenance cost, can disperse energy in high-speed collision in cooperation with the safety air bag and other safety systems, reduce the injury of the people in the vehicle, and simultaneously reduce the severity of the injury of the pedestrians.

[0003] The Chinese patent with the publication number "CN215398557U" discloses an automobile front bumper structure, which comprises a front bumper body, lower air inlets are symmetrically arranged at the lower ends of the front bumper body, a grille is arranged on the front surface of the front bumper body, front bumper side air ducts are arranged at the two sides of the inside of the front bumper body, a front bumper middle air duct is arranged between the front bumper side air ducts at the two sides, and the front bumper middle air duct is communicated with the grille, which can maximize the reduction of the wind resistance of the whole vehicle and the reduction of fuel consumption.

[0004] In the later use process, the device still has the following problems: the design and development of the front bumper do not fully consider the collision protection of the pedestrians, the 2024 version of the national standard "GB24550-2024 Automobile Collision Protection for Pedestrians" is upgraded and improved on the basis of the original 2009 version, and the leg collision test is a necessary item to be checked in the pedestrian protection regulations. INVENTION CONTENTS

[0005] The utility model wants to solve the technical problem: overcome the insufficient prior art, provide a kind of automobile front bumper structure, its by setting up half-translucent slot hole, the structural rigidity and strength of front protection body are weakened and adjusted handle, when accident occurs, the design of half-translucent slot hole can induce the structural failure of front protection body, reduce the injury to the leg of pedestrian.

[0006] The automobile front bumper structure, including front protection body, the fixed plate is extended to the top of the front protection body, the upper grille installation frame is fixedly arranged on the upper part of the front protection body, the headlamp installation frame is fixedly arranged on the two sides of the upper grille installation frame, the fog lamp installation frame is fixedly arranged below the headlamp installation frame, the license plate installation frame is fixedly arranged below the upper grille installation frame, the trailer buckle opening is fixedly arranged on one side of the license plate installation frame, the lower grille installation frame is fixedly arranged below the license plate installation frame, the lower grille buckle is fixedly connected to the back of the lower grille installation frame, the side wing plate is extended to the two sides of the front protection body, the convex plate is fixedly connected to the bottom of the front protection body, and the reinforcing hole is fixedly arranged on the two sides of the bottom of the front protection body.

[0007] Preferably, the rear edge of the headlamp mounting frame is fixedly connected with an L-shaped reinforcing rib, the rear of the fog lamp mounting frame is fixedly connected with a plurality of screw connecting columns, and the rear of the front bumper body is fixedly provided with a plurality of semi-transparent slot holes.

[0008] Preferably, the middle of the fixed plate is fixedly provided with a cabin cover lock opening, screw holes one are fixedly provided on the two sides of the cabin cover lock opening, through holes are fixedly provided on the two sides of the fixed plate, and positioning holes are further fixedly provided on the fixed plate.

[0009] Preferably, a plurality of license plate buckle holes are fixedly provided on the license plate mounting frame, screw holes three are fixedly provided outside the license plate buckle holes, and reinforcing ribs two and a pressing buckle are fixedly connected to the rear bottom end of the license plate mounting frame.

[0010] Preferably, the upper part of the side wing plate extends inwardly to have a connecting plate, a plurality of clamping grooves are fixedly provided on the connecting plate, a plurality of notches are fixedly provided on the edge of the connecting plate, the lower part of the side wing plate extends inwardly to have a wheel cover plate, a plurality of screw holes two are fixedly provided on the wheel cover plate, and an unloading groove is provided on the wheel cover plate.

[0011] Preferably, the front part of the upper grille mounting frame is fixedly provided with a mounting clamping frame, a clamping groove is fixedly provided on the mounting clamping frame, a plurality of insertion grooves are fixedly provided on the inner wall of the bottom part of the clamping groove, upper grille buckles are fixedly connected to the inner side wall of the insertion grooves, a plurality of reinforcing ribs one are fixedly connected to the inner side wall of the clamping groove, and a plurality of pressing blocks are fixedly connected to the outer side wall of the clamping groove.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. By setting the semi-transparent slot hole, the structural rigidity and strength of the front bumper body are weakened and adjusted, so that the optimization effect is achieved. The deeper the cutting depth of the semi-transparent slot hole is, the weaker the structural strength of the front bumper body is. When an accident occurs, the design of the semi-transparent slot hole can induce the structural failure of the front bumper body, thereby reducing the damage to the legs of pedestrians.

[0014] 2. By setting the connecting plate and the wheel cover plate, the contact area of the side wing plate with the wing plate and the wheel frame is increased, and the connection strength is improved. By setting the unloading groove, stress concentration at the connecting plate and the wheel cover plate when the front bumper body is deformed under stress is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front structure schematic view of the utility model;

[0016] Figure 2 It is a back structure schematic view of the utility model;

[0017] Figure 3 It is a top structure schematic view of the utility model;

[0018] Figure 4 Fig. 2 is a schematic view of the back structure of the license plate mounting frame;

[0019] Figure 5 Fig. 3 is a schematic view of the structure of the wheel cover plate and the connecting plate;

[0020] Figure 6 Fig. 4 is a schematic view of the bottom portion structure of the front bumper body;

[0021] Figure 7 Fig. 5 is a schematic view of the structure of the upper grille mounting frame;

[0022] Figure 8 Fig. 6 is a schematic view of the structure of the fog lamp mounting frame; Figure 7 Fig. 7 is an enlarged view of the structure at A in Fig. 6.

[0023] In the figure, 1 is a fixed plate; 101 is a cabin cover lock opening; 102 is a through hole; 103 is a screw hole one; 104 is a positioning hole; 2 is a side wing plate; 201 is a connecting plate; 201A is an opening; 201B is a clamping groove; 202 is a wheel cover plate; 202A is an unloading groove; 202B is a screw hole two; 3 is a headlamp mounting frame; 301 is an L-shaped reinforcing rib; 4 is an upper grille mounting frame; 401 is a mounting clamping frame; 401A is a clamping groove; 402 is a slot; 403 is an upper grille buckle; 404 is a reinforcing rib one; 405 is a pressing block; 5 is a fog lamp mounting frame; 501 is a screw column; 6 is a lower grille mounting frame; 601 is a lower grille buckle; 7 is a license plate mounting frame; 701 is a license plate buckle hole; 702 is a screw hole three; 703 is a reinforcing rib two; 704 is a pressing buckle; 8 is a trailer buckle opening; 9 is a semi-transparent slot hole; 10 is a convex plate; 11 is a reinforcing hole. DETAILED DESCRIPTION

[0024] The utility model will be further described below in combination with the drawings:

[0025] The orientation terms involved in the paragraphs of detailed description are only for the convenience of the person skilled in the art to understand the technical solutions described in the present application according to the visual orientation shown in the drawings. Except for explicit provisions and limitations, the terms “set”, “install”, “connect” and the like should be understood broadly, and the person skilled in the art can understand the specific meaning of the above terms in the utility model according to the specific circumstances.

[0026] For example, Figure 1 And Figure 6As shown, a kind of automobile front bumper structure, including front protection body, the top of front protection body extends to the fixed plate 1, the fixed plate 1 is fixedly connected with the front end frame of vehicle body, and the top of front protection body is reinforced;Front protection body upper portion is fixedly provided with upper grille mounting frame 4, and the both sides of upper grille mounting frame 4 are fixedly provided with headlamp mounting frame 3;The lower side of headlamp mounting frame 3 is fixedly provided with fog lamp mounting frame 5, and the lower side of upper grille mounting frame 4 is fixedly provided with license plate mounting frame 7;License plate mounting frame 7 is fixedly provided with trailer buckle opening 8 on one side, when needing to carry out trailer operation, trailer buckle cover is opened, and trailer buckle is inserted into trailer buckle opening 8, and is connected with vehicle body, so that trailer operation can be carried out;License plate mounting frame 7 is fixedly provided with lower grille mounting frame 6 below, and the back of lower grille mounting frame 6 is fixedly connected with multiple groups of lower grille buckles 601;Lower grille is installed into lower grille mounting frame 6 from the back of front protection body, and lower grille buckle 601 firmly buckles lower grille, to fix lower grille;

[0027] The both sides of front protection body extend to the side wing plate 2, and the both sides of front protection body extend to the side wing plate 2, which is used for surrounding and protecting the side of vehicle;Front protection body bottom is fixedly connected with multiple groups of convex plates 10, and the bottom of front protection body is fixed with multiple groups of convex plates 10, so that the bottom of front protection body is fixed with vehicle body, and the bottom of front protection body is reinforced;Front protection body bottom is fixedly provided with multiple groups of reinforcing holes 11 on both sides, and the both sides of front protection body bottom are fixedly connected with wheel frame through reinforcing holes 11.

[0028] As shown in the figure, Figure 2 The rear edge of headlamp mounting frame 3 is fixedly connected with L-shaped reinforcing rib 301, L-shaped reinforcing rib 301 covers headlamp mounting frame 3 and front protection body, and the structural strength of headlamp mounting frame 3 is improved;Multiple groups of screwing columns 501 are fixedly connected with the rear of fog lamp mounting frame 5, and the multiple groups of screwing columns 501 are distributed around fog lamp mounting frame 5;After fog lamp is clamped into fog lamp mounting frame 5, fog lamp can be installed by using bolt to fix fog lamp on screwing column 501. Multiple groups of semi-transparent slot holes 9 are fixedly provided in the rear of front protection body, and new version of national standard for collision safety puts forward higher requirements for pedestrian leg collision test, but when designing front bumper, OEM (Original Equipment Manufacturer) often designs more advanced front bumper shape to attract consumers, especially young people, but the appearance is often incompatible with pedestrian protection performance, and when optimizing pedestrian protection performance in the development process, it is often realized by adding / deleting reinforcing plate, filling foam, reducing / increasing material thickness, etc.

[0029] The disadvantages of such methods mainly include: (1) high cost of mold modification; (2) space layout limitation, and foam may not be filled; (3) the front bumper usually has a complex shape, and increasing or decreasing the thickness after shaping increases the process development difficulty or even cannot be achieved. By setting the semi-transparent groove hole 9, the structural rigidity and strength of the front bumper body are weakened and adjusted, so as to achieve the optimization effect. The deeper the cutting depth of the semi-transparent groove hole 9 is, the weaker the structural strength of the front bumper body is. When an accident occurs, the design of the semi-transparent groove hole 9 can induce the structural failure of the front bumper body, thereby reducing the damage to the legs of pedestrians.

[0030] As shown in Figure 3 , the middle part of the fixed plate 1 is fixedly provided with a cabin cover lock opening 101, and screw holes 103 are fixedly provided on both sides of the cabin cover lock opening 101. The fixed plate 1 is fixedly provided with through holes 102 on both sides, and the fixed plate 1 is also fixedly provided with positioning holes 104. By setting the screw holes 103 and the positioning holes 104, during installation, the positioning holes 104 are aligned with the reserved front end frame marker of the vehicle body, and then the fixed plate 1 is fixedly connected with the front end frame of the vehicle body by using bolts passing through the screw holes 103.

[0031] As shown in Figure 4 , a plurality of license plate clamping holes 701 are fixedly provided on the license plate mounting frame 7, and screw holes 702 are fixedly provided outside the license plate clamping holes 701. The license plate mounting frame 7 is fixedly connected with a reinforcing rib 703 and a pressing buckle 704 at the bottom of the rear part. After the license plate frame is inserted into the license plate clamping hole 701, the license plate frame is temporarily limited, and then the license plate frame is fixed with the screw holes 702 by using special bolts. The setting of the reinforcing rib 703 can improve the structural strength of the license plate mounting frame 7. The pressing buckle 704 cooperates with the lower grille clamping buckle 601, and the pressing buckle 704 can assist the lower grille to be accurately clamped into the lower grille mounting frame 6, so as to limit and position the lower grille. After the lower grille is clamped by the lower grille clamping buckle 601, the tightness of the contact between the lower grille and the lower grille mounting frame 6 is increased due to the extrusion of the pressing buckle 704.

[0032] As shown in Figure 5 , the upper part of the side wing plate 2 extends inwardly and has a connecting plate 201, a plurality of clamping grooves 201B are fixedly provided on the connecting plate 201, and a plurality of notches 201A are fixedly provided on the edge of the connecting plate 201. The lower part of the side wing plate 2 extends inwardly and has a wheel cover plate 202, a plurality of screw holes 202B are fixedly provided on the wheel cover plate 202, and an unloading groove 202A is provided on the wheel cover plate 202. By setting the connecting plate 201 and the wheel cover plate 202, the contact area between the side wing plate 2 and the fender and the wheel frame is increased, and the connection strength is improved. By setting the unloading groove 202A, stress concentration at the connecting plate 201 and the wheel cover plate 202 when the front bumper body is deformed under stress is avoided.

[0033] As shown in Figure 7 andFigure 8 As shown, the front part of the upper grille mounting frame 4 is fixedly provided with a mounting clamping frame 401, a clamping groove 401A is fixedly arranged on the mounting clamping frame 401, a plurality of insertion grooves 402 are fixedly arranged on the bottom inner wall of the clamping groove 401A, an upper grille buckle 403 is fixedly connected to the inner side wall of each insertion groove 402, a plurality of reinforcing ribs 404 are fixedly connected to the inner side wall of the clamping groove 401A, and a plurality of pressing blocks 405 are fixedly connected to the outer side wall of the clamping groove 401A. When the upper grille is mounted, the upper grille is inserted into the clamping groove 401A from the front part of the front body, the upper grille buckle is inserted into the insertion groove 402 and is clamped with the upper grille buckle 403, and the mounting operation of the upper grille is completed. The reinforcing ribs 404 can strengthen the structural strength of the mounting clamping frame 401, and the pressing blocks 405 can improve the fastening degree of the installation of the upper grille in the clamping groove 401A.

[0034] The present application can weaken and adjust the structural rigidity and strength of the front body by setting the semi-translucent groove hole 9, so as to achieve the optimization effect. The deeper the cutting depth of the semi-translucent groove hole 9 is, the weaker the structural strength of the front body is. When an accident occurs, the design of the semi-translucent groove hole 9 can induce the structural failure of the front body, thereby reducing the harm to the legs of pedestrians. By setting the connecting plate 201 and the wheel cover plate 202, the contact area of the side wing plate 2 with the wing plate and the wheel frame is increased, and the connection strength is improved. By setting the unloading groove 202A, the stress concentration generated at the connecting plate 201 and the wheel cover plate 202 when the front body is deformed under stress is avoided.

Claims

1. An automobile front bumper structure comprising a front bumper body, characterized by: The front protection body top extends backward with a fixed plate, the upper part of the front protection body is fixedly provided with an upper grille mounting frame, the both sides of the upper grille mounting frame are fixedly provided with headlamp mounting frames, the lower part of the headlamp mounting frame is fixedly provided with a fog lamp mounting frame, the lower part of the upper grille mounting frame is fixedly provided with a license plate mounting frame, one side of the license plate mounting frame is fixedly provided with a trailer buckle opening, the lower part of the license plate mounting frame is fixedly provided with a lower grille mounting frame, the back of the lower grille mounting frame is fixedly connected with a plurality of lower grille buckles, the both sides of the front protection body extend backward with side wing plates, the bottom of the front protection body is fixedly connected with a plurality of convex plates, and the both sides of the bottom of the front protection body are fixedly provided with a plurality of reinforcing holes.

2. The automobile front bumper structure according to claim 1, characterized by: The rear edge of the headlamp mounting frame is fixedly connected with an L-shaped reinforcing rib, the rear part of the fog lamp mounting frame is fixedly connected with a plurality of screw connection columns, and the rear part of the front protection body is fixedly provided with a plurality of semi-transparent slot holes.

3. The automobile front bumper structure according to claim 1, characterized by: The middle part of the fixed plate is fixedly provided with a machine compartment cover lock opening, the both sides of the machine compartment cover lock opening are fixedly provided with screw connection holes one, the both sides of the fixed plate are fixedly provided with through holes, and the fixed plate is also fixedly provided with a positioning hole.

4. The automotive front bumper structure according to claim 1, characterized by: The license plate mounting frame is fixedly provided with a plurality of license plate buckle holes, the outer side of the license plate buckle hole is fixedly provided with a screw connection hole three, the rear bottom end of the license plate mounting frame is fixedly connected with a reinforcing rib two and a pressing buckle.

5. The automotive front bumper structure according to claim 1, characterized by: The upper part of the side wing plate extends inwardly with a connecting plate, the connecting plate is fixedly provided with a plurality of clamping grooves, the edge of the connecting plate is fixedly provided with a plurality of notches, the lower part of the side wing plate extends inwardly with a wheel cover plate, the wheel cover plate is fixedly provided with a plurality of screw connection holes two, and the wheel cover plate is provided with an unloading groove.

6. The automotive front bumper structure according to claim 1, characterized by: The front part of the upper grille mounting frame is fixedly provided with a mounting clamping frame, the mounting clamping frame is fixedly provided with a clamping groove, the inner wall of the bottom of the clamping groove is fixedly provided with a plurality of insertion grooves, the inner side wall of the insertion groove is fixedly connected with an upper grille buckle, the inner side wall of the clamping groove is fixedly connected with a plurality of reinforcing ribs one, and the outer side wall of the clamping groove is fixedly connected with a plurality of pressing blocks.

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