CN219728086U - Lower guard plate assembly and automobile - Google Patents

Abstract

The utility model discloses a lower guard plate assembly and an automobile, which comprise a front lower guard plate, a lower guard plate framework arranged on one side of the front lower guard plate and a rear guard plate arranged on one side of the front lower guard plate far away from the lower guard plate framework, wherein the front lower guard plate, the lower guard plate framework and the rear guard plate are all of independent structural designs, the lower guard plate assembly adopts sectional structural designs, the front lower guard plate, the lower guard plate framework and the rear guard plate are all of independent forming, and then the lower guard plate assembly is formed by combination.

Description

Lower guard plate assembly and automobile

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a lower guard plate assembly and an automobile.

Background

The automobile parts are taken as the basis of the automobile industry and are necessary factors for supporting the continuous and healthy development of the automobile industry, particularly the current automobile industry is bombing and developing autonomous development and innovation, and a strong part system is needed for supporting.

The lower fender of the vehicle performs a function of protecting various components provided on a lower portion of the vehicle to reduce air resistance and prevent projectiles from the road during driving of the vehicle. This lower fender is mounted on a cross member provided on a lower portion of the front bumper, thereby protecting the engine and chassis components from damage by protrusions on the ground and smoothing the air flow on the lower portion of the vehicle.

At present, an integrated forming structure is mostly adopted for a lower guard plate of an automobile, the lower guard plate process in the forming state is complex, the production efficiency of the lower guard plate is improved for reducing the process difficulty, the arrangement of an air guide structure on the lower guard plate is greatly simplified, the air guide performance of the existing lower guard plate is reduced, and correspondingly, due to the reduction of the air guide performance, abnormal sound is extremely easy to generate in the subsequent driving process of the automobile, the driving experience is influenced, and therefore, how to design the lower guard plate of the automobile with the advantages of ensuring the convenience of the production process and good air guide performance becomes the problem to be solved by the utility model.

Disclosure of Invention

Based on the above, the utility model aims to provide a lower guard plate assembly, which aims to solve the problem that the air guiding performance is reduced due to the simplification of the production process of the lower guard plate of the automobile in the prior art.

The utility model provides a lower guard plate assembly, which comprises a front lower guard plate, a lower guard plate framework arranged on one side of the front lower guard plate and a rear guard plate arranged on one side of the front lower guard plate far away from the lower guard plate framework, wherein the front lower guard plate, the lower guard plate framework and the rear guard plate are all of independent structural designs;

the front lower protection plate comprises a first matching plate and a rear section matching surface which extends outwards from one side of the rear protection plate along the first matching plate;

the rear protection plate comprises a second matching plate used for being connected with the rear section matching surface.

Above-mentioned, adopt sectional type structural design with lower backplate assembly, make preceding lower guard plate, lower guard plate skeleton and back guard plate all become independent shaping, afterwards make up and form lower backplate assembly, this sectional design mode can very big degree reduce lower backplate assembly integrated into one piece's technological degree of difficulty, improve lower backplate assembly's production efficiency, simultaneously because sectional design corresponds production technology is simple, consequently, can do further optimization and beautification of appearance to the wind-guiding structure on preceding lower guard plate, lower guard plate skeleton and the back guard plate, the technological degree of difficulty of the lower backplate assembly of integrated into one piece in the prior art is relatively simple compared, and the design of wind-guiding structure also can be more detail in order to improve lower backplate assembly's wind-guiding quality, the automobile lower backplate of having solved at present, mostly adopt integral type shaping structure, lower backplate technology itself under this shaping state is comparatively complicated, for reducing technological degree improvement lower backplate production efficiency, can greatly simplify the arrangement of lower backplate upper wind-guiding structure, lead to current lower backplate wind-guiding performance to descend, corresponding wind-guiding performance easily influences in the follow-up driving experience very much because of the vehicle is very loud in the driving experience.

In addition, the lower guard plate assembly provided by the utility model can also have the following additional technical characteristics:

further, the front lower protection plate further comprises side matching surfaces extending outwards along the left side and the right side of the first matching plate, a front lower matching surface arranged on the side matching surfaces and close to the rear section matching surface, and two first reinforcing grooves formed in the first matching plate.

Further, the side matching surface and the first matching plate are respectively penetrated with a first mounting via hole for connecting the lower protection plate framework.

Further, the top of the front lower matching surface is penetrated with a mounting hole for connecting an automobile.

Further, the rear protection plate further comprises two second reinforcing grooves arranged in the middle of the second matching plate, and side elevation surfaces extending outwards along the left side and the right side of the second matching plate.

Further, a third reinforcing groove is formed in the second matching plate, far away from one side of the second reinforcing groove, a drain hole penetrates through the middle of the third reinforcing groove, and second mounting through holes used for connecting automobiles penetrate through the two sides of the second reinforcing groove.

Further, the lower protection plate framework comprises an upper matching part arranged in the middle, a front lower welding surface outwards extending along one side of the upper matching part, a rear lower welding surface outwards extending along one side of the upper matching part away from the front lower welding surface, and side welding surfaces outwards extending towards two sides of the side matching surface on the upper matching part.

Further, the rear lower welding surface is distributed in an arch shape, and is partially embedded in the two first reinforcing grooves.

In addition, the utility model also provides an automobile, which comprises a lower guard plate assembly arranged on the automobile.

Drawings

FIG. 1 is a schematic view of a frame assembly and a lower fender assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a portion of a lower guard plate assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a portion of a front lower guard plate in a lower guard plate assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a portion of a lower fender skeleton in a lower fender assembly according to an embodiment of the utility model;

fig. 5 is a schematic view of a part of a rear fender in a lower fender assembly according to an embodiment of the utility model.

Main structural symbol description:

the utility model will be further described in the following detailed description in conjunction with the above-described figures.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, a lower guard plate assembly according to an embodiment of the present utility model includes a front lower guard plate 1, a lower guard plate skeleton 2 disposed on one side of the front lower guard plate 1, and a rear guard plate 3 disposed on one side of the front lower guard plate 1 away from the lower guard plate skeleton 2, wherein the front lower guard plate 1, the lower guard plate skeleton 2, and the rear guard plate 3 are all independently designed, which can solve the problem that the existing lower guard plate of an automobile adopts an integrally formed structure, and the lower guard plate process in the formed state is complex, so that the process of separating the formed front lower guard plate 1, lower guard plate skeleton 2, and rear guard plate 3 is simplified, the front lower guard plate 1 includes a first matching plate 11 and a rear matching plate 14 extending outward along the first matching plate 11 toward the rear guard plate 3, and the rear guard plate 3 includes a second matching plate 31 for connecting the rear matching plate 14.

Further, the front lower protection plate 1 further comprises side matching surfaces 12 extending outwards along the left side and the right side of the first matching plate 11, a front lower matching surface 13 arranged on the side matching surfaces 12 and close to the rear section matching surface 14, and two first reinforcing grooves 15 arranged on the first matching plate 11, wherein the side matching surfaces 12 and the first matching plate 11 are respectively penetrated with a first mounting via hole 16 for connecting the lower protection plate skeleton 2, the top of the front lower matching surface 13 is penetrated with a mounting hole 17 for connecting an automobile, the mounting hole 17 is specifically used for connecting an automobile bottom frame so as to connect the lower protection plate assembly with the automobile bottom frame, the rear protection plate 3 further comprises two second reinforcing grooves 32 arranged in the middle of the second matching plate 31 and side vertical surfaces 33 extending outwards along the left side and the right side of the second matching plate 31, a third reinforcing groove 34 is arranged on one side of the second matching plate 31 away from the second reinforcing grooves 32, the middle part of the third strengthening groove 34 is penetrated with a drain hole 35, accumulated water in the lower guard plate assembly entering the vehicle driving process can be discharged through the drain hole 35, accumulated water in the lower guard plate assembly is avoided, second mounting through holes 36 for connecting automobiles are penetrated near two sides of the third strengthening groove 34, wherein the second mounting through holes 36 and the mounting holes 17 are also used for connecting automobile bottom frames, the lower guard plate framework 2 comprises an upper matching part 21 arranged in the middle, a front lower welding surface 22 outwards extending along one side of the upper matching part 21, a rear lower welding surface 24 outwards extending along one side of the upper matching part 21 far away from the front lower welding surface 22 and a side welding surface 23 outwards extending along the direction of the side matching surface 12 on the upper matching part 21, the rear lower welding surface 24 is distributed in an arc shape, and is partially embedded in the two first strengthening grooves 15.

The utility model is implemented by firstly punching the front lower guard plate 1, the lower guard plate framework 2 and the rear guard plate 3 in sequence through a punch to form, then sequentially installing the lower guard plate framework 2 and the rear guard plate 3 on two sides of the front lower guard plate 1 to form a lower guard plate assembly (as shown in the attached figure 1 of the specification), specifically, a worker can lap the part of the front lower guard plate 1 provided with the rear section matching surface 14 on the rear guard plate 3, one side of the rear guard plate 3 provided with the second reinforcing groove 32 is provided with a matching edge matched with the rear section matching surface 14, wherein the rear section matching surface 14 and the matching edge are of an arch-shaped design, the purpose of mutual limitation is achieved when the rear section matching surface 14 is lapped on the matching edge through the shape design, meanwhile, the front lower matching surface 13 designed on the front lower guard plate 1 can abut against one side of the rear guard plate 3 and achieve the effect of limitation, the stability between the front lower protection plate 1 and the rear protection plate 3 is further improved so as to facilitate the subsequent installation and fixation, then workers can weld the lap joint of the rear section matching surface 14 and the matching edge to complete the installation of the front lower protection plate 1 and the rear protection plate 3, and it is to be noted that, according to the description shown in figure 2, since the front lower protection plate 1 and the rear protection plate 3 are installed by overlapping the rear section matching surface 14 on the rear protection plate 3, the rear protection plate 3 is blocked, the contact surface between the rear protection plate 3 and the air current in the driving process of an automobile is reduced, the effect of preliminary air guiding and wind resistance reduction is achieved, then, the workers can install the lower protection plate framework 2 on one side of the front lower protection plate 1 far away from the rear protection plate 3, firstly, the rear lower welding surface 24 on the lower protection plate framework 2 is directly placed in the first reinforcing groove 15 matched with the shape thereof, in order to ensure that the position between the lower guard plate skeleton 2 and the first matching plate 11 is stable, afterwards, the operator can weld the side welding surface 23, the front lower welding surface 22 and the rear lower welding surface 24 in sequence, the connection between the lower guard plate skeleton 2 and the first matching plate 11 is completed, in some alternative embodiments, the lower guard plate skeleton 2 and the front lower guard plate 1 can also be in threaded connection, through the installation holes formed on the side welding surface 23, the front lower welding surface 22 and the rear lower welding surface 24, the corresponding connection positions of the front lower guard plate 1 and the lower guard plate skeleton 2 are also provided with the adaptive installation holes, the bolts are inserted into the installation holes to connect the installation holes, finally, the integral installation of the lower guard plate assembly is completed, then, the operator can install the lower guard plate assembly after the installation molding at the bottom of the automobile frame, and can respectively insert bolts into the automobile frame through the installation holes 17 formed on the front lower guard plate 1, the through holes formed on the rear guard plate 3 and the installation plate 37 respectively, in addition, the connection holes 25 can also be formed through the first installation holes 16 formed on the front lower guard plate 1 and the lower guard plate skeleton 2.

Further, when the vehicle is in a driving state, the airflow direction is guided in the arrow direction in fig. 2 of the specification, and the air flow is mainly shown as an air guiding surface, firstly, the air flow can be in contact with the front lower protection plate 1, because the blocked force of the lower protection bottom plate 1 is larger, the air flow can pass through the lower protection plate framework 2 arranged at the inner side of the stress surface of the lower protection plate framework for improving the structural strength of the front lower protection plate 1, meanwhile, the lower protection bottom plate 1 is connected with the vehicle frame to form an inclined included angle, in some alternative embodiments, the included angle can be equal to or less than forty-five degrees, the air flow resistance at the front lower protection plate 1 can be effectively reduced, meanwhile, the air flow can also play a role of air guiding at the air guiding surface while improving the structural strength of the middle part of the front lower protection plate 1, then the guided air flow can pass through the second reinforcing groove 32 which is in butt joint with the first reinforcing groove 15, and meanwhile, the air flow is guided into the triangular guide space formed by the vertical surfaces 33 at the two sides of the rear protection plate 3, so that the air flow is secondarily guided to reduce the air resistance at the lower protection plate at the driving assembly.

In conclusion, the lower guard plate assembly adopts a sectional structural design, the front lower guard plate 1, the lower guard plate framework 2 and the rear guard plate 3 are formed into independent shapes, and then the independent shapes are combined to form the lower guard plate assembly, the sectional design mode can greatly reduce the process difficulty of the integral forming of the lower guard plate assembly, the production efficiency of the lower guard plate assembly is improved, meanwhile, due to the fact that the corresponding production process of the sectional design is simple, the air guide structures on the front lower guard plate 1, the lower guard plate framework 2 and the rear guard plate 3 can be further optimized and beautified, compared with the process difficulty of the integral forming lower guard plate assembly in the prior art, the process difficulty of the sectional design is relatively simple, the design of the air guide structure can be further improved to improve the air guide quality of the lower guard plate assembly, the problem that the existing automobile lower guard plate is solved, the lower guard plate process in the forming state is complex, the production efficiency of the lower guard plate is improved, the arrangement of the air guide structure on the lower guard plate is greatly simplified, the existing lower guard plate is easy to reduce the corresponding air guide performance, and the following driving experience is greatly affected in the driving process of the automobile.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (9)

1. The lower guard plate assembly is characterized by comprising a front lower guard plate, a lower guard plate framework arranged on one side of the front lower guard plate and a rear guard plate arranged on one side of the front lower guard plate far away from the lower guard plate framework, wherein the front lower guard plate, the lower guard plate framework and the rear guard plate are all of independent structural design;

the front lower protection plate comprises a first matching plate and a rear section matching surface which extends outwards from one side of the rear protection plate along the first matching plate;

the rear protection plate comprises a second matching plate used for being connected with the rear section matching surface.

2. The lower guard assembly of claim 1, wherein the front lower guard further comprises side mating surfaces extending outwardly along the left and right sides of the first mating plate, a front lower mating surface on the side mating surfaces disposed proximate the rear mating surface, and two first stiffening grooves disposed in the first mating plate.

3. The lower fender assembly of claim 2, wherein the side mating surface and the first mating plate each have a first mounting via therethrough for connecting to the lower fender framework.

4. The lower fender assembly of claim 2, wherein the top of the front lower mating surface is perforated with mounting holes for attachment to an automobile.

5. The lower guard assembly of claim 1, wherein the rear guard further comprises two second reinforcing grooves formed in a middle portion of the second matching plate and side elevation extending outward along left and right sides of the second matching plate.

6. The lower guard plate assembly of claim 5, wherein a third reinforcing groove is formed in the second matching plate on one side far away from the second reinforcing groove, a drain hole penetrates through the middle of the third reinforcing groove, and a second mounting through hole for connecting an automobile penetrates through two sides of the second reinforcing groove.

7. The lower fender assembly of claim 2, wherein the lower fender skeleton comprises a centrally disposed upper mating portion, a forward lower weld surface extending outwardly along one side of the upper mating portion, a rearward lower weld surface extending outwardly along one side of the upper mating portion remote from the forward lower weld surface, and side weld surfaces extending outwardly on both sides of the side mating surface on the upper mating portion.

8. The lower guard plate assembly of claim 7, wherein the rear lower weld face is arcuate in shape and partially embedded in both of the first stiffening grooves.

9. An automobile, characterized in that: a lower fender assembly as claimed in any one of claims 1 to 8, the lower fender assembly being provided on an automobile.