CN218662094U

CN218662094U - Well logical structure, preceding floor assembly and vehicle

Info

Publication number: CN218662094U
Application number: CN202222966118.2U
Authority: CN
Inventors: 孙福华
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-03-21
Anticipated expiration: 2032-11-07

Abstract

The embodiment of the utility model provides a well logical structure, preceding floor assembly and vehicle, well logical structure includes: the middle channel main body, the middle through upper reinforcing plate and the middle through lower reinforcing plate group are arranged on the upper surface of the middle channel main body; well passageway main part includes by preceding to back consecutive connection: the front section is communicated with the floor, the middle section is communicated with the floor and the rear section is communicated with the floor; the middle through upper reinforcing plate is arranged on the upper side of the front section middle through floor; well logical reinforcing plate group down is located the downside of well passageway main part, and well logical reinforcing plate group down includes: the middle through left reinforcing plate and the middle through right reinforcing plate are respectively positioned at the left side and the right side of the middle channel main body. According to the utility model discloses well logical structure, through the integrated configuration who leads to the floor and well logical upper and left and right reinforcing plate in setting up preceding, well, back three-section, can improve structural strength, rigidity and modal frequency that well leads to the structure, lead to the vibration sensitivity of structure in reducing, improve the NVH performance, improved passenger's the travelling comfort of taking in the car.

Description

Well logical structure, preceding floor assembly and vehicle

Technical Field

The utility model relates to an automobile body structure technical field, in particular to well logical structure, preceding floor assembly and vehicle.

Background

In the prior art, a front floor assembly is an important structural part of a vehicle body and provides an installation position for front seats, a console and the like, a middle channel refers to the middle part of the floor of the vehicle body, the middle channel is located at the transverse middle position of the vehicle body, simulation and test show that the middle channel is located at the position of a modal counter node of the floor, and the position is usually high in vibration sensitivity. If the rigidity and the mode of the front floor assembly are weak, the front floor assembly is easily excited by the energy of a power assembly, a transmission system and a road surface to cause floor vibration, and the vibration energy is transmitted to the seat, so that the comfort of drivers and passengers is seriously influenced. The more commonly used well logical structural style is the structure of crossbeam + reinforcing plate, but current structure reinforcing plate size is less, leads to well logical structural strength still very low, can not satisfy the automobile body size and increase day by day, the demand that the performance promoted day by day.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a well logical structure, its structural strength, rigidity and modal frequency that can effectively improve preceding floor assembly reduce preceding floor assembly's vibration sensitivity, the effectual noise radiation who improves transmission system and power assembly, have improved the NVH performance, have improved passenger's in the car travelling comfort.

According to the utility model discloses well logical structure includes: the middle channel main body, the middle through upper reinforcing plate and the middle through lower reinforcing plate group are arranged on the upper surface of the middle channel main body; well passageway main part is by preceding including connecting gradually after to: the front section is communicated with the floor, the middle section is communicated with the floor and the rear section is communicated with the floor; the middle through upper reinforcing plate is arranged on the upper side of the front section middle through floor and extends to the middle section middle through floor so as to be connected with the middle section middle through floor; well logical reinforcing plate group down is located the downside of well passageway main part, and well logical reinforcing plate group down includes: well logical left reinforcing plate and well logical right reinforcing plate, well logical left reinforcing plate and well logical right reinforcing plate are located the left and right sides of well passageway main part respectively, and all are connected with well logical floor in anterior segment well logical floor, the well logical floor in middle section and the well logical floor in back end along the fore-and-aft direction in proper order.

According to the utility model discloses well logical structure, the integrated configuration that leads to the floor and well logical upper and left and right reinforcing plate replaces traditional crossbeam and reinforcing plate through setting up preceding, well, back three-section in replaces, like this, can effectively improve the structural strength, rigidity and the modal frequency of well logical structure, and the vibration sensitivity who leads to the structure in the reduction has effectually improved transmission system and power assembly's noise radiation, has improved the NVH performance, has improved passenger's riding comfort in the car.

In addition, according to the utility model discloses a well logical structure can also have following additional technical characterstic:

in some embodiments, the center-through lower reinforcing plate group further comprises a center-through lower reinforcing plate disposed on a lower surface of the front section center-through floor and connected between the center-through left reinforcing plate and the center-through right reinforcing plate.

In some embodiments, the front section through-floor comprises a front arch structure and front section through-floor flanges disposed on the left and right sides of the front arch structure, and the middle section through-floor comprises a middle arch structure and middle section through-floor flanges disposed on the left and right sides of the middle arch structure; the rear section through floor comprises a rear arch structure and rear section through floor flanges arranged on the left side and the right side of the rear arch structure; the middle-through left reinforcing plate and the middle-through right reinforcing plate both comprise plate bodies and flanging bodies, the plate bodies are sequentially connected with the front-section middle-through floor flanging, the middle-through floor flanging and the rear-section middle-through floor flanging, and the flanging bodies are sequentially connected with the front arch structure, the middle arch structure and the rear arch structure.

In some embodiments, the front arch structure is arched upwards to form a front upper side, a front left side and a front right side, the front upper side is provided with a plurality of first front reinforcing ribs, the front left side is provided with a left arched bulge arched towards the left side and at least one second front reinforcing rib, the front right side is provided with a right arched bulge arched towards the right side and at least one third front reinforcing rib, and the front section hollow floor flange is provided with a reinforcing bulge and/or a reinforcing groove.

In some embodiments, the center-pass upper stiffener has an upwardly arched stiffener arch structure, left and right sides of the stiffener arch structure are respectively connected to the front left side and the front right side, and the stiffener arch structure is formed with a plurality of fourth reinforcing ribs extending in the front-rear direction.

In some embodiments, the mid-arch structure is arched upward to form a mid-upper side, a mid-left side, and a mid-right side, the mid-upper side being provided with fifth strengthening ribs; the middle left side surface and the middle right side surface are provided with a plurality of sixth reinforcing ribs extending along the left-right direction; and seventh reinforcing ribs are respectively arranged on the rear arch structure and the turned edges of the rear section through floor, and the projection of the seventh reinforcing ribs on the horizontal plane is rectangular or trapezoidal.

In some embodiments, the middle section through floor flanging is provided with a first step structure, and the plate body is provided with a second step structure attached to the first step structure.

In some embodiments, the front section through floor and the middle section through floor each extend in the front-rear direction, and the rear section through floor extends in the left-right direction.

The utility model discloses still provide a preceding floor assembly who has above-mentioned embodiment.

The utility model discloses still provide a vehicle that has above-mentioned embodiment.

The embodiment of the utility model provides a noise radiation and resonant frequency in can effectively reducing the car effectively improve the NVH performance of vehicle, can improve passenger's riding comfort in the car.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic perspective view of a hollow structure according to an embodiment of the present invention;

fig. 2 is a bottom view of the hollow structure according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a center through upper reinforcing plate in the center through structure of the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a left center through reinforcing plate in a center through structure according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a front-section hollow floor in a hollow structure according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a middle-section through floor in the through structure in the embodiment of the present invention;

fig. 7 is a schematic structural diagram of a rear-section hollow floor in a hollow structure according to an embodiment of the present invention.

Reference numerals are as follows:

91. a middle channel body; 92. the middle through is provided with a reinforcing plate; 93. the lower reinforcing plate group is communicated with the middle part; 901. the front section is communicated with a floor; 902. the middle section is communicated with a floor; 903. the rear section is communicated with a floor; 904. a left reinforcing plate is communicated with the middle; 905. a right reinforcing plate is communicated with the middle; 907. a front arch structure; 908. the front section is flanged through the floor; 909. a mid-arch configuration; 910. the middle section is communicated with a floor flange; 911. a rear arch structure; 912. the middle of the rear section is communicated with a floor flange; 913. a stiffened plate arch structure; 9011. a plate body; 9012. a flanging body; 9013. a front upper side; 9014. a front left side; 9015. a front right side; 9016. a first front reinforcing rib; 9017. a second front reinforcing rib; 9018. a third front reinforcing rib; 9019. a reinforcing protrusion; 9020. a fourth reinforcing rib; 9021. an upper middle side; 9022. a middle left side; 9023. a middle right side surface; 9024. fifthly, strengthening the tendons; 9025. a sixth reinforcing rib; 9026. a seventh reinforcing rib; 9027. a first step structure; 9028. and a second step structure.

Detailed Description

Various aspects and features of the present invention are described herein with reference to the accompanying drawings.

It will be understood that various modifications may be made to the embodiments of the present application. Accordingly, the foregoing description should not be construed as limiting, but merely as exemplifications of embodiments. Other modifications will occur to those skilled in the art which are within the scope and spirit of this invention.

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and, together with a general description of the invention given above, and the detailed description of the embodiments given below, serve to explain the principles of the invention.

These and other characteristics of the invention will become apparent from the following description of a preferred form of embodiment, given as a non-limiting example, with reference to the accompanying drawings.

It is also understood that, although the present invention has been described with reference to some specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of the invention, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.

The above and other aspects, features and advantages of the present invention will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.

Specific embodiments of the present invention are described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention, which can be embodied in various forms. Well-known and/or repeated functions and constructions are not described in detail to avoid obscuring the invention in unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present invention in virtually any appropriately detailed structure.

The description may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the present invention.

First, a center-through structure according to an embodiment of the present invention is described with reference to fig. 1 to 7, and front, rear, left, and right in the following description are based on directions indicated in fig. 1 and 2.

As shown in fig. 1 to 7, the center through structure according to the embodiment of the present invention includes: a center channel main body 91, a center through upper reinforcing plate 92 and a center through lower reinforcing plate group 93; well passageway main part 91 is by preceding including connecting gradually after to: a front section through floor 901, a middle section through floor 902 and a rear section through floor 903; the arrangement of the middle channel main body 91 can strengthen the structural strength of the vehicle body, and when the vehicle is impacted, the impact can be absorbed and transmitted, and the support is provided, so that the safety of people in the vehicle is protected; the middle through upper reinforcing plate 92 is installed on the upper side of the front section middle through floor 901 and extends to the middle section middle through floor 902 so as to be connected with the middle section middle through floor 902; the arrangement of the upper middle through reinforcing plate 92 can effectively reinforce the structural strength and rigidity of the whole middle through structure, so that the middle through structure is less prone to distortion and damage after being impacted, and meanwhile, the arrangement of the upper middle through reinforcing plate 92 also optimizes the fatigue endurance strength of the middle through structure; in addition, the center-through upper reinforcing plate 92 is connected with a part of the center-through floor 902, so that the bending rigidity of the center-through structure can be effectively improved.

Further, a center through lower reinforcing plate group 93 is located at a lower side of the center tunnel main body 91, the center through lower reinforcing plate group 93 including: the center through left reinforcing plate 904 and the center through right reinforcing plate 905, the center through left reinforcing plate 904 and the center through right reinforcing plate 905 are respectively located at the left side and the right side of the center channel main body 91, and are sequentially connected with the front section center through floor 901, the center through floor 902 and the rear section center through floor 903 along the front-rear direction, for example, the center through left reinforcing plate 904 and the center through right reinforcing plate 905 can be connected by welding. The arrangement of the center pass left stiffener 904 and center pass right stiffener 905 may further enhance the structural strength and rigidity of the center pass structure.

In the prior art, a common hollow structure mode is a structure of a beam and a reinforcing plate, but the conventional structural reinforcing plate is small in size, so that the hollow structure is low in strength, and the requirements of increasing the size of a vehicle body and increasing the performance cannot be met.

In an embodiment of the present invention, as shown in fig. 1 to 7, the center-through lower reinforcing plate set 93 may further include: and a center through lower reinforcing plate which is installed on the lower surface of the center front section center through floor 901 and connected between the center through left reinforcing plate 904 and the center through right reinforcing plate 905. In this embodiment, the arrangement of the center-through lower reinforcing plate can further enhance the structural strength and rigidity of the center-through structure.

In some embodiments, for example, as shown in fig. 1, the center through lower reinforcing plate is disposed on the lower surface of the front section center through floor 901 by welding or the like, the center through left reinforcing plate 904 and the center through right reinforcing plate 905 are connected to the sides of the center channel main body 91 by welding or the like, and the center through lower reinforcing plate, the center through left reinforcing plate 904 and the center through right reinforcing plate 905 form an "H" type reinforcing structure, which can effectively improve the bending rigidity of the entire center channel main body 91.

In an embodiment of the present invention, as shown in fig. 1 to 7, the front-section through floor 901 may include: the front arch structure 907 and the front section through floor flanges 908 arranged at the left and right sides of the front arch structure 907, and the middle section through floor 902 may include: a middle arch structure 909 and middle through floor flanges 910 arranged at the left and right sides of the middle arch structure 909; the back-end midplane floor 903 may comprise: the rear arched structure 911 and rear section middle through floor flanges 912 arranged at the left and right sides of the rear arched structure 911; in this embodiment, the arch structures and the flanges on the front middle through floor 901, the middle through floor 902 and the rear middle through floor 903 can effectively improve the support and rigidity of the whole middle channel main body 91, so that the whole middle channel main body 91 cannot be easily deformed and damaged when being impacted.

Further, the center pass left stiffener 904 and the center pass right stiffener 905 may each include: the plate body 9011 is sequentially connected with a front section through floor flange 908, a middle section through floor flange 910 and a rear section through floor flange 912, for example, the plate body 9011 can be connected by welding, and the flange body 9012 is sequentially connected with a front arch structure 907, a middle arch structure 909 and a rear arch structure 911, for example, the flange body 9012 can be connected by welding; the center through left reinforcing plate 904 and the center through right reinforcing plate 905 cross the front section center through floor 901, the middle section center through floor 902 and the rear section center through floor 903 and are arranged on the side of the center channel main body 91 in a welding mode and the like, so that the structural strength and the bending rigidity of the whole center through structure can be effectively improved. In a specific embodiment of the present invention, as shown in fig. 1 to 7, the front arch structure 907 is arched upward to construct a front upper side 9013, a front left side 9014 and a front right side 9015, the front upper side 9013 is provided with a plurality of first front reinforcing ribs 9016, the front left side 9014 is provided with a left arch-shaped protrusion arched toward the left side and at least one second front reinforcing rib 9017, the front right side 9015 is provided with a right arch-shaped protrusion arched toward the right side and at least one third front reinforcing rib 9018, the front-section hollow floor flange 908 is provided with a reinforcing protrusion 9019 and/or a reinforcing groove. In this specific embodiment, the arrangement of the first front reinforcing rib 9016, the second front reinforcing rib 9017, and the third front reinforcing rib 9018 can effectively enhance the surface rigidity and the support performance of the front-section hollow floor 901, and can effectively reduce the vibration amplitude and reduce the occurrence of resonance; the front section through floor flange 908 may be provided with a reinforcing protrusion 9019 or a reinforcing groove, or both the reinforcing protrusion 9019 and the reinforcing groove may be provided on the front section through floor flange 908, and the reinforcing protrusion 9019 and the reinforcing groove may further improve the structural strength and the support of the front section through floor 901.

Further, the center-through upper stiffener 92 has an upwardly arched stiffener arch 913, the right and left sides of the stiffener arch 913 are respectively disposed on the front left side 9014 and the front right side 9015 by welding or the like, and the stiffener arch 913 is formed with a plurality of fourth reinforcing ribs 9020 extending in the front-rear direction. The fourth reinforcing ribs 9020 can effectively enhance the surface rigidity of the middle through upper reinforcing plate 92, and enable the whole middle through upper reinforcing plate 92 to have high support rigidity and fatigue endurance strength.

In some embodiments, the surface length of the fourth reinforcing bead 9020 may be about 567mm, the width may be about 43mm, and the depth may be about 5mm, and the outer shape of the fourth reinforcing bead 9020 may be in the shape of a straight line.

In one embodiment of the present invention, as shown in fig. 1 to 7, the middle arch-shaped structure 909 is arched upward to form a middle-upper side 9021, a middle-left side 9022 and a middle-right side 9023, wherein the middle-upper side 9021 is provided with fifth reinforcing ribs 9024; the middle left side surface 9022 and the middle right side surface 9023 are provided with a plurality of sixth reinforcing ribs 9025 extending in the left-right direction; the fifth strengthening rib 9024 and the sixth strengthening rib 9025 can improve the surface rigidity and the supporting performance of the middle-section through floor 902, and can improve the mode of the middle-section through floor 902.

Further, a seventh reinforcing rib 9026 may be respectively disposed on the rear arch structure 911 and the rear-section through floor flange 912, and a projection of the seventh reinforcing rib 9026 on a horizontal plane is rectangular and/or trapezoidal. The seventh reinforcing rib 9026 may be rectangular or trapezoidal, or may be provided with both a rectangular seventh reinforcing rib 9026 and a trapezoidal seventh reinforcing rib 9026; the seventh reinforcing rib 9026 can effectively improve the surface rigidity, the supporting performance and the mode of the rear-section through floor 903, and can effectively reduce the possibility of resonance of the rear-section through floor 903.

In a specific embodiment of the present invention, as shown in fig. 1 to 7, the middle through floor flange 910 is provided with a first step structure 9027, and the plate body 9011 is provided with a second step structure 9028 attached to the first step structure 9027. In this embodiment, the first stepped structure 9027 and the second stepped structure 9028 may further improve the structural strength and the support of the middle-section through floor 902, so that the middle-section through floor 902 may not be easily deformed and damaged when being impacted.

In an embodiment of the present invention, as shown in fig. 1 to 7, the front middle through floor 901 and the middle through floor 902 both extend in the front-rear direction, and the rear middle through floor 903 extends in the left-right direction. In this embodiment, the front middle through floor 901 and the middle through floor 902 extending in the front-rear direction can absorb and transmit longitudinal impact, optimize the transmission of longitudinal force, provide effective support, absorb and transmit transverse impact by the rear middle through floor 903 extending in the left-right direction, optimize the transmission of transverse force, and facilitate increasing the connection area with the rear floor and improving the connection rigidity.

According to the utility model discloses vehicle, through setting up the front floor assembly in the above-mentioned embodiment, can effectively reduce noise radiation and resonant frequency in the car, effectively improve the NVH performance of vehicle, can improve passenger's riding comfort in the car.

Other constructions and operations of the center tunnel structure, the front floor assembly and the vehicle according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A through structure, comprising:

well passageway main part (91), including connecting gradually from the front to the back: a front section through floor (901), a middle section through floor (902) and a rear section through floor (903);

the middle through upper reinforcing plate (92), the middle through upper reinforcing plate (92) is installed on the upper side of the front section middle through floor (901) and extends to the middle section middle through floor (902) to be connected with the middle section middle through floor (902);

a center-through lower reinforcement plate set (93), the center-through lower reinforcement plate set (93) located on a lower side of the center channel body (91), the center-through lower reinforcement plate set (93) comprising: the middle through left reinforcing plate (904) and the middle through right reinforcing plate (905), wherein the middle through left reinforcing plate (904) and the middle through right reinforcing plate (905) are respectively positioned at the left side and the right side of the middle channel main body (91) and are sequentially connected with the front section middle through floor (901), the middle section middle through floor (902) and the rear section middle through floor (903) along the front-rear direction.

2. The feed-through structure of claim 1, wherein the feed-through lower reinforcement plate set (93) further comprises a feed-through lower reinforcement plate mounted on a lower surface of the front section feed-through floor (901) and connected between the feed-through left reinforcement plate (904) and the feed-through right reinforcement plate (905).

3. The center through structure according to claim 1, wherein the front section center through floor (901) comprises a front arch structure (907) and front section center through floor flanges (908) arranged on the left and right sides of the front arch structure (907), and the middle section center through floor (902) comprises a middle arch structure (909) and middle section center through floor flanges (910) arranged on the left and right sides of the middle arch structure (909); the rear section through floor (903) comprises a rear arch structure (911) and rear section through floor flanges (912) arranged on the left side and the right side of the rear arch structure (911);

the middle through left reinforcing plate (904) and the middle through right reinforcing plate (905) both comprise plate bodies (9011) and flanging bodies (9012), the plate bodies (9011) are sequentially connected with the front section middle through floor flanging (908), the middle section middle through floor flanging (910) and the rear section middle through floor flanging (912), and the flanging bodies (9012) are sequentially connected with the front arch structure (907), the middle arch structure (909) and the rear arch structure (911).

4. A through-going structure according to claim 3, wherein the front arch (907) is arched upwards to configure a front upper side (9013), a front left side (9014) and a front right side (9015),

the front upper side surface (9013) is provided with a plurality of first front reinforcing ribs (9016),

the front left side surface (9014) is provided with a left arched bulge arched towards the left side and at least one second front reinforcing rib (9017),

the front right side surface (9015) is provided with a right arched bulge arched towards the right side and at least one third front reinforcing rib (9018),

the front section through floor flanging (908) is provided with a reinforcing protrusion (9019) and/or a reinforcing groove.

5. The center tunnel structure according to claim 4, wherein the center tunnel upper reinforcement plate (92) has an upwardly arched reinforcement plate arch (913), left and right sides of the reinforcement plate arch (913) are connected to the front left side surface (9014) and the front right side surface (9015), respectively, and a plurality of fourth reinforcing ribs (9020) extending in the front-rear direction are formed on the reinforcement plate arch (913).

6. A through structure according to claim 3 wherein the mid-arch (909) is upwardly arched to define a mid-upper side (9021), a mid-left side (9022) and a mid-right side (9023),

the middle upper side surface (9021) is provided with fifth strengthening ribs (9024);

the middle left side surface (9022) and the middle right side surface (9023) are provided with a plurality of sixth reinforcing ribs (9025) extending in the left-right direction;

and seventh reinforcing ribs (9026) are respectively arranged on the rear arch structure (911) and the rear section through floor flange (912), and the projection of the seventh reinforcing ribs (9026) on the horizontal plane is rectangular and/or trapezoidal.

7. The hollow structure of claim 3, wherein a middle hollow floor flange (910) is provided with a first step structure (9027), and the plate body (9011) is provided with a second step structure (9028) attached to the first step structure (9027).

8. The through structure according to any one of claims 1 to 6, wherein the front section through floor (901) and the middle section through floor (902) each extend in a front-rear direction, and the rear section through floor (903) extends in a left-right direction.

9. A front floor assembly comprising the through-center structure of any one of claims 1-8.

10. A vehicle comprising the front floor assembly of claim 9.