CN216916062U

CN216916062U - Front floor middle channel lower part connecting beam structure and automobile

Info

Publication number: CN216916062U
Application number: CN202220540348.XU
Authority: CN
Inventors: 陆志奎; 章年友; 徐双全; 许禕
Original assignee: Chery Automobile Co Ltd
Current assignee: Chery Automobile Co Ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-07-08
Anticipated expiration: 2032-03-14

Abstract

The utility model provides a lower part connecting beam structure of a middle channel of a front floor and an automobile, wherein the beam structure comprises a reinforcing beam and a beam body; the reinforcing cross beam and the cross beam body are respectively of a plate-shaped structure, and the reinforcing cross beam and the cross beam body are welded together through the side faces respectively, so that a cross beam structure is formed; an arch structure is integrally formed in the middle of the beam structure; according to the scheme provided by the utility model, the lower part connecting beam of the channel in the front floor has a simpler structure, is convenient to machine and form, has high strength and high rigidity, and can greatly improve the performances of torsional rigidity, local mode, side collision and the like of the channel region in the front floor, thereby improving the automobile performance.

Description

Front floor middle channel lower part connecting beam structure and automobile

Technical Field

The utility model belongs to the technical field of a lower connecting beam structure of a channel in a front floor, and particularly relates to a lower connecting beam structure of a channel in a front floor and an automobile.

Background

In order to arrange parts such as an exhaust pipe, a transmission shaft and the like, a channel area in a front floor of a traditional fuel automobile is usually designed into a bulge structure, and under the influence of the structure, a front floor beam cannot penetrate through the front floor beam left and right, so that the torsional rigidity and the local mode of the structure at the channel in the front floor are poor, and the NVH performance of the whole automobile is influenced; meanwhile, in the process of side collision of the automobile, the middle channel is also easy to collapse, so that casualties are caused. Furthermore, in general, a lower reinforcing plate of a middle channel of an automobile is attached to a front floor, but is limited by the space for arranging parts such as an exhaust pipe and a transmission shaft, and a cavity between the lower reinforcing plate of the middle channel and the front floor is small, so that effective support and reinforcement cannot be formed, and the performances such as torsional rigidity, local mode and side collision of a middle channel region cannot be effectively improved.

Based on the technical problems existing in the channel structure in the automobile front floor, no related solution is provided; there is therefore a pressing need to find effective solutions to the above problems.

Disclosure of Invention

The utility model aims to provide a connecting beam structure at the lower part of a channel in a front floor and an automobile aiming at overcoming the defects in the prior art and solving the problem of insufficient structural strength of the channel in the front floor of the existing automobile.

The utility model provides a lower part connecting beam structure of a middle channel of a front floor, which comprises a reinforcing beam and a beam body; the reinforcing cross beam and the cross beam body are respectively of a plate-shaped structure, and the reinforcing cross beam and the cross beam body are welded together through the side faces respectively, so that a cross beam structure is formed; the middle position of the beam structure is also integrally formed with an arch structure.

Furthermore, the middle positions of the reinforcing beam and the beam body are respectively of a structure shaped like a Chinese character 'ji', and are connected through the structure shaped like the Chinese character 'ji' to form an arch structure.

Further, the reinforcing cross beam is overlapped with the plurality of welding surfaces on the side surface circumference of the cross beam body through the plurality of welding surfaces on the side surface circumference, and is fixedly connected together through spot welding.

Furthermore, the beam structure is provided with one or more reinforcing ribs on the arch structure, and the reinforcing ribs are arranged along the span direction of the arch structure.

Further, a cavity structure is formed between the reinforcing cross beam and the cross beam body through opposite arrangement of reinforcing ribs, and an integral structure is formed through spot welding.

Furthermore, a first reinforcing rib and a second reinforcing rib are arranged on the reinforcing cross beam, and a third reinforcing rib and a fourth reinforcing rib are arranged on the cross beam body; the first reinforcing ribs and the second reinforcing ribs are distributed side by side and are all upwards formed into groove structures, and the third reinforcing ribs and the fourth reinforcing ribs are distributed side by side and are all downwards formed into groove structures; the reinforced cross beam is attached to the cross beam body, so that the first reinforcing ribs and the four reinforcing ribs are oppositely buckled to form a first cavity, and the second reinforcing ribs and the three reinforcing ribs are oppositely buckled to form a second cavity.

Further, bolt mounting through holes are respectively formed in two ends of the reinforcing cross beam, and bolt mounting holes are formed in two ends of the cross beam body; the reinforcing cross beam is attached to the cross beam body, so that the bolt mounting through holes are respectively and oppositely communicated with the bolt mounting holes.

Furthermore, one end of the reinforcing cross beam is provided with a first bolt mounting through hole and a second bolt mounting through hole, the other end of the reinforcing cross beam is provided with a third bolt mounting through hole and a fourth bolt mounting through hole, one end of the cross beam body is provided with a first bolt mounting hole and a second bolt mounting hole, and the other end of the cross beam body is provided with a third bolt mounting hole and a fourth bolt mounting hole; the reinforcing cross beam is attached to the cross beam body, so that the first bolt mounting through hole is communicated with the second bolt mounting hole, and the second bolt mounting through hole is communicated with the first bolt mounting hole.

Further, the beam structure is fixed on the front floor assembly through bolts penetrating through the bolt mounting through holes and the bolt mounting holes; the bolt mounting through hole is also used for enabling a tool to operate when the beam structure is connected with the front floor assembly through bolts.

Correspondingly, the utility model also provides an automobile which comprises a front floor middle channel lower connecting beam structure, wherein the front floor middle channel lower connecting beam structure is the front floor middle channel lower connecting beam structure.

According to the lower connecting beam structure of the channel in the front floor and the automobile, the cavity is formed between the channel reinforcing beam in the front floor and the channel connecting beam body in the front floor, and the integral structure is formed through spot welding, so that the structural strength and rigidity of the lower connecting beam of the channel in the front floor are greatly improved; meanwhile, the lower part of the channel in the front floor is integrally connected with the beam and then is connected with the front floor assembly through the bolt, and the channel area in the front floor is connected left and right, so that an effective supporting structure is formed, the performances of torsional rigidity, local mode, side collision and the like of the channel area in the front floor are greatly improved, and the overall performance of the automobile is further improved.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The utility model will be further explained with reference to the drawings, in which:

FIG. 1 is a view of the lower side of a connecting cross member of the lower part of a passage in the front floor of an automobile according to the present invention;

FIG. 2 is a top axial view of a connecting cross member at the lower part of a passage in the front floor of an automobile according to the present invention;

FIG. 3 is an exploded view of a lower connecting cross member of a passage in a front floor of an automobile according to the present invention;

FIG. 4 is a view of the structure of the lower connecting beam of the middle passage of the front floor of the automobile according to the utility model;

FIG. 5 is a cross-sectional view in the Y direction of a connecting cross member at the lower part of a passage in the front floor of an automobile according to the present invention;

FIG. 6 is a view showing the connection between the lower connection beam of the middle passage of the front floor and the front floor of the automobile according to the present invention;

FIG. 7 is a sectional view showing the connection between the lower connecting cross member of the tunnel and the front floor in the front floor of the automobile according to the present invention.

In the figure: 1. an arch structure; 2. a reinforcing cross beam; 3. a beam body; 4. a first welding surface; 5. a second weld face; 6. a third weld face; 7. a fourth weld face; 8. a fifth welding surface; 9. a sixth weld face; 10. a seventh weld face; 11. an eighth weld face; 12. a ninth weld face; 13. a tenth weld face; 14. an eleventh weld face; 15. a twelfth welding face; 16. a thirteenth weld face; 17. first spot welding; 18. second spot welding; 19. third spot welding; 20. fourth spot welding; 21. fifth spot welding; 22. sixth spot welding; 23. seventh spot welding; 24. eighth spot welding; 25. ninth spot welding; 26. tenth spot welding; 27. eleventh spot welding; 28. twelfth spot welding; 29. thirteenth spot welding; 30. fourteenth spot welding; 31. fifteenth spot welding; 32. sixteenth spot welding; 33. seventeenth spot welding; 34. eighteenth spot welding; 35. nineteenth spot welding; 36. twentieth spot welding; 37. twenty-first spot welding; 38. a first bolt mounting via hole; 39. a second bolt mounting through hole; 40. A third bolt is provided with a through hole; 41. a fourth bolt mounting through hole; 42. A first bolt mounting hole; 43. a second bolt mounting hole; 44. a third bolt mounting hole; 45. a fourth bolt mounting hole; 46. a first reinforcing rib; 47. a second reinforcing rib; 48. a third reinforcing rib; 49. a fourth reinforcing rib; 50. a first bolt; 51. a second bolt; 52. a third bolt; 53. a fourth bolt; 54. a front floor assembly.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

As shown in fig. 1 to 7, the present invention provides a lower channel connecting cross member structure in a front floor, which includes a reinforcing cross member 2 and a cross member body 3; the reinforcing beam 2 and the beam body 3 are respectively of a plate-shaped structure, and the reinforcing beam 2 and the beam body 3 are welded together through the side surfaces respectively, so that a beam structure is formed; an arch structure 1 is further integrally formed in the middle of the beam structure, and the arch structure 1 is designed to avoid the arrangement of an exhaust pipe and a traditional shaft; the lower connecting beam structure of the channel in the front floor provided by the utility model has the advantages of simple structure, convenience in processing and forming, high strength and high rigidity, and can greatly improve the performances of torsional rigidity, local mode, side collision and the like of the channel region in the front floor.

Preferably, in combination with the above solutions, as shown in fig. 1 to 7, the middle positions of the reinforcing beam 2 and the beam body 3 are respectively in a zigzag structure, and are connected through the zigzag structure to form the arch structure 1; the reinforcing beam 2 is overlapped with a plurality of welding surfaces on the circumferential direction of the side surface of the beam body 3 through a plurality of welding surfaces on the circumferential direction of the side surface of the reinforcing beam, and is fixedly connected together through spot welding; specifically, the front floor middle channel reinforcing beam 2 and the front floor middle channel connecting beam body 3 are connected through a first welding surface 4, a second welding surface 5, a third welding surface 6, a fourth welding surface 7, a fifth welding surface 8, a sixth welding surface 9 and a seventh welding surface; 10. the eighth welding surface 11, the ninth welding surface 12, the tenth welding surface 13, the eleventh welding surface 14, the twelfth welding surface 15 and the thirteenth welding surface 16 are overlapped and connected together through a first spot welding 17, a second spot welding 18, a third spot welding 19, a fourth spot welding 20, a fifth spot welding 21, a sixth spot welding 22, a seventh spot welding 23, an eighth spot welding 24, a ninth spot welding 25, a tenth spot welding 26, an eleventh spot welding 27, a twelfth spot welding 28, a thirteenth spot welding 29, a fourteenth spot welding 30, a fifteenth spot welding 31, a sixteenth spot welding 32, a seventeenth spot welding 33, an eighteenth spot welding 34, a nineteenth spot welding 35, a twentieth spot welding 36 and a twenty-first spot welding 37, and then connected together with the front floor assembly 54 through a first bolt 50, a second bolt 51, a third bolt 52 and a fourth bolt 53.

Preferably, in combination with the above solutions, as shown in fig. 1 to 7, the beam structure is provided with one or more reinforcing ribs on the arch structure 1, and the reinforcing ribs are arranged along the span direction of the arch structure 1; the reinforcing rib thus designed is used to improve the structural strength and rigidity of the channel-reinforcing cross member 2 itself in the front floor.

Preferably, in combination with the above solutions, as shown in fig. 1 to 7, a cavity structure is formed between the reinforcing beam 2 and the beam body 3 by arranging reinforcing ribs oppositely, and an integral structure is formed by spot welding.

Preferably, in combination with the above solutions, as shown in fig. 1 to 7, the reinforcing beam 2 is provided with a first reinforcing rib 46 and a second reinforcing rib 47, and the beam body 3 is provided with a third reinforcing rib 48 and a fourth reinforcing rib 49; specifically, the first reinforcing ribs 46 and the second reinforcing ribs 47 are distributed side by side and both form a groove structure upwards, and the first reinforcing ribs 46 and the second reinforcing ribs 47 are used for improving the structural strength and the rigidity of the channel reinforcing beam 2 in the front floor; further, the third reinforcing ribs 48 and the fourth reinforcing ribs 49 are distributed side by side and both downwards form a groove structure, and the third reinforcing ribs 48 and the fourth reinforcing ribs 49 are used for improving the structural strength and the rigidity of the channel connecting beam body 3 in the front floor; furthermore, the reinforcing beam 2 and the beam body 3 are attached together, so that the first reinforcing rib 46 and the four reinforcing ribs 49 are relatively buckled to form a first cavity, and the second reinforcing rib 47 and the three reinforcing ribs 48 are relatively buckled to form a second cavity.

Preferably, in combination with the above solutions, as shown in fig. 1 to 7, bolt mounting through holes are respectively formed at two ends of the reinforcing beam 2, the bolt mounting through holes are used for connecting the beam and the front floor assembly 54 at the lower part of the middle channel, and a tool is used for operating the through holes when the bolt is connected; further, bolt mounting holes are formed in two ends of the beam body 3; the reinforcing beam 2 is attached to the beam body 3, so that the bolt mounting through holes are respectively and oppositely communicated with the bolt mounting holes, and are used for connecting the beam and the front floor assembly 54 at the lower part of the middle channel and connecting the mounting holes through bolts.

Preferably, in combination with the above solutions, as shown in fig. 1 to 7, one end of the reinforcing beam 2 is provided with a first bolt mounting through hole 38 and a second bolt mounting through hole 39, the other end of the reinforcing beam 2 is provided with a third bolt mounting through hole 40 and a fourth bolt mounting through hole 41, one end of the beam body 3 is provided with a first bolt mounting hole 42 and a second bolt mounting hole 43, and the other end of the beam body 3 is provided with a third bolt mounting hole 44 and a fourth bolt mounting hole 45; specifically, the reinforcing beam 2 and the beam body 3 are attached together, so that the first bolt mounting through hole 38 is communicated with the first bolt mounting hole 42, the second bolt mounting through hole 39 is communicated with the second bolt mounting hole 43, the third bolt mounting through hole 40 is communicated with the third bolt mounting hole 44, and the fourth bolt mounting through hole 41 is communicated with the fourth bolt mounting hole 45; by adopting the above scheme, the first bolt mounting via hole 38 and the first bolt mounting hole 42 are fixedly connected to the front floor assembly 54 through the first bolt 50, the second bolt mounting via hole 39 and the second bolt mounting hole 43 are fixedly connected to the front floor assembly 54 through the third bolt 52, the third bolt mounting via hole 40 and the third bolt mounting hole 44 are fixedly connected to the front floor assembly 54 through the second bolt 51, and the fourth bolt mounting via hole 41 and the fourth bolt mounting hole 45 are fixedly connected to the front floor assembly 54 through the fourth bolt 53.

Preferably, in combination with the above, as shown in fig. 1 to 7, the cross beam structure is fixed to the front floor assembly 54 by bolts passing through the bolt mounting through holes and the bolt mounting holes; the bolt mounting apertures are also used to enable tool operation when the beam structure is bolted to the front floor assembly 54.

Correspondingly, in combination with the above solutions, as shown in fig. 1 to 7, the present invention further provides an automobile, including a front floor center tunnel lower connecting beam structure, where the front floor center tunnel lower connecting beam structure is the above front floor center tunnel lower connecting beam structure.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the utility model. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.

Claims

1. A lower part connecting beam structure of a channel in a front floor is characterized in that the beam structure comprises a reinforcing beam (2) and a beam body (3); the reinforcing cross beam (2) and the cross beam body (3) are respectively of a plate-shaped structure, and the reinforcing cross beam (2) and the cross beam body (3) are welded together through the side surfaces respectively so as to form the cross beam structure; and an arch structure (1) is integrally formed in the middle of the beam structure.

2. The under-tunnel connecting beam structure in front floor according to claim 1, characterized in that the middle positions of the reinforcing beam (2) and the beam body (3) are respectively in a structure of a Chinese character 'ji', and the arch structure (1) is formed by the connection of the Chinese character 'ji'.

3. The under-tunnel connecting cross member structure in front floor according to claim 1, wherein said reinforcing cross member (2) is overlapped with a plurality of welding surfaces in the circumferential direction of the side surface of said cross member body (3) by a plurality of welding surfaces in the circumferential direction of the side surface thereof and fixedly connected together by spot welding.

4. The under-tunnel connecting beam structure in front floor according to claim 1, characterized in that the beam structure is provided with one or more reinforcing bars on the arch structure (1), the reinforcing bars being provided in the span direction of the arch structure (1).

5. The front floor center tunnel lower connecting beam structure according to claim 4, wherein a cavity structure is formed between the reinforcing beam (2) and the beam body (3) by the opposite arrangement of the reinforcing ribs, and an integral structure is formed by spot welding.

6. The front floor center channel lower connecting beam structure according to claim 4, wherein a first reinforcing rib (46) and a second reinforcing rib (47) are provided on the reinforcing beam (2), and a third reinforcing rib (48) and a fourth reinforcing rib (49) are provided on the beam body (3); the first reinforcing ribs (46) and the second reinforcing ribs (47) are distributed side by side and form a groove structure upwards, and the third reinforcing ribs (48) and the fourth reinforcing ribs (49) are distributed side by side and form a groove structure downwards; the reinforcing beam (2) is attached to the beam body (3), so that the first reinforcing rib (46) and the four reinforcing ribs (49) are oppositely buckled to form a first cavity, and the second reinforcing rib (47) and the three reinforcing ribs (48) are oppositely buckled to form a second cavity.

7. The front floor mid-channel lower connecting beam structure as claimed in claim 1, wherein bolt mounting through holes are respectively formed at both ends of the reinforcing beam (2), and bolt mounting holes are formed at both ends of the beam body (3); the reinforcing cross beam (2) is attached to the cross beam body (3), so that the bolt mounting through holes are respectively and oppositely communicated with the bolt mounting holes.

8. The under-channel connecting beam structure in front floor according to claim 7, characterized in that one end of the reinforcing beam (2) is provided with a first bolt mounting through hole (38) and a second bolt mounting through hole (39), the other end of the reinforcing beam (2) is provided with a third bolt mounting through hole (40) and a fourth bolt mounting through hole (41), one end of the beam body (3) is provided with a first bolt mounting hole (42) and a second bolt mounting hole (43), and the other end of the beam body (3) is provided with a third bolt mounting hole (44) and a fourth bolt mounting hole (45); the reinforcing beam (2) is attached to the beam body (3), so that the first bolt mounting through hole (38) is communicated with the second bolt mounting hole (43), and the second bolt mounting through hole (39) is communicated with the first bolt mounting hole (42).

9. The front floor center tunnel lower connecting cross beam structure of claim 7, wherein the cross beam structure is fixed to a front floor assembly (54) by bolts passing through the bolt mounting through holes and the bolt mounting holes; the bolt mounting through hole is also used for enabling a tool to operate when the beam structure is in bolt connection with the front floor assembly (54).

10. An automobile comprising a front floor center tunnel lower connecting cross member structure, characterized in that the front floor center tunnel lower connecting cross member structure is the front floor center tunnel lower connecting cross member structure according to any one of claims 1 to 9 above.