A rear cross beam structure of a central channel

Abstract

The present invention relates to the field of vehicle body central channel connectors, specifically a central channel rear cross beam structure. It includes a first cross plate, a second cross plate, two third cross plates, two fourth cross plates, a first vertical plate, a second vertical plate, two first oblique plates, two second oblique plates and a fifth cross plate; the central channel rear cross beam structure is sequentially a fourth cross plate, a third cross plate, a fifth cross plate, a third cross plate and a fourth cross plate from left to right, the fourth cross plate is connected to the third cross plate through the third oblique plate, and the fourth cross plate is connected to the lower end of the third oblique plate, the upper end of the third oblique plate is connected to the third cross plate, and the two ends of the fifth cross plate are respectively connected to the two ends of the two third cross plates. The present invention can penetrate the central channel cover plate, and at the same time, is connected to the central channel and the central channel cover plate through welding points, forming a continuous through structure, increasing the local mode and stiffness of the front floor.

Description

Technical Field

[0001] The invention relates to the field of vehicle body center channel connecting pieces, in particular to a center channel rear cross beam structure. Background Art

[0002] The existing vehicle body does not involve the rear cross beam of the center channel. There is only a center channel cover in the middle of the center channel of the vehicle body, and seat mounting brackets are on both sides.

[0003] However, the existing structure of the vehicle body center channel has the following problems: the structure of the vehicle body center channel is discontinuous and no through structure is formed, the rear modal of the front floor is low, the rear stiffness of the front floor is low, and the design of the rear mounting brackets of the front seats affects the transmission of the impact force of a side collision. Summary of the invention

[0004] In order to solve the problem that the structure of a channel in a vehicle body is discontinuous and no through structure is formed, the present invention provides a rear cross beam structure of a channel.

[0005] The present invention is implemented by the following technical solutions: a middle channel rear crossbeam structure, comprising a first cross plate, a second cross plate, two third cross plates, two fourth cross plates, a first vertical plate, a second vertical plate, two first inclined plates, two second inclined plates and a fifth cross plate;

[0006] The rear cross beam structure of the middle channel is, from left to right, a fourth cross plate, a third cross plate, a fifth cross plate, a third cross plate and a fourth cross plate, the fourth cross plate is connected to the third cross plate through the third inclined plate, and the fourth cross plate is connected to the lower end of the third inclined plate, the upper end of the third inclined plate is connected to the third cross plate, and the two ends of the fifth cross plate are respectively connected to the two ends of the two third cross plates;

[0007] One end of the fifth horizontal plate located on one side of the middle channel cover plate is connected to the upper end of the second vertical plate, the lower end of the second vertical plate located at the fifth horizontal plate is connected to the second horizontal plate, the second vertical plates located on both sides of the fifth horizontal plate extend downward to form two second vertical plate extensions, and the two ends of the second horizontal plate are respectively connected to one end of the inner side of the second vertical plate extension through the first inclined plate, the second vertical plate extension extends transversely to the fourth horizontal plate, and the upper ends of the second vertical plate extensions are respectively connected to the third horizontal plate, the third inclined plate and the fourth horizontal plate;

[0008] One end of the fifth horizontal plate located on one side of the middle channel body is connected to the upper end of the first vertical plate, the lower end of the first vertical plate located at the fifth horizontal plate is connected to the first horizontal plate, the first vertical plates located on both sides of the fifth horizontal plate extend downward to form two first vertical plate extensions, and the two ends of the first horizontal plate are respectively connected to the inner end of the first vertical plate extension through the second inclined plate, the first vertical plate extension extends laterally to the fourth horizontal plate, and the upper ends of the first vertical plate extensions are respectively connected to the third horizontal plate, the third inclined plate and the fourth horizontal plate.

[0009] As a further improvement of the technical solution of the present invention, at least one reinforcing rib is recessed along the left-right direction on the left and right sides of the fifth transverse plate.

[0010] As a further improvement of the technical solution of the present invention, the third inclined plate and the fourth horizontal plate are both provided with a concave surface in the middle that matches the seat crossbeam.

[0011] As a further improvement of the technical solution of the present invention, a positioning hole is provided on the concave surface.

[0012] As a further improvement of the technical solution of the present invention, at least one electrophoresis exhaust hole is provided on the third horizontal plate.

[0013] As a further improvement of the technical solution of the present invention, a seat mounting hole is provided on the third horizontal plate.

[0014] As a further improvement of the technical solution of the present invention, at least one exhaust hole is provided on the fifth horizontal plate.

[0015] The rear cross beam structure of the middle channel of the present invention can penetrate the middle channel cover plate, and is connected to the middle channel and the middle channel cover plate through welding points to form a continuous through structure, thereby increasing the local modal and stiffness of the front floor. The rear mounting bracket of the front seat is connected into an integral part, thereby reducing the number of parts, ensuring the effective transmission of the collision force during a side collision, and increasing the safety performance of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of the rear cross beam structure of the middle channel described in the present invention.

[0018] Figure 2 It is another structural schematic diagram of the rear cross beam structure of the middle channel described in the present invention.

[0019] Figure 3 It is a schematic diagram of the installation of the rear crossbeam structure of the central channel.

[0020] In the figure: 1-rear crossbeam structure of the middle channel, 2-cover plate of the middle channel, 3-right seat crossbeam, 4-main body of the middle channel, 5-left seat crossbeam, 11-first cross plate, 111-process notch, 12-second cross plate, 13-third cross plate, 131-electrophoresis exhaust hole, 132-seat mounting hole, 14-fourth cross plate, 141-positioning hole, 142-concave surface, 15-first vertical plate, 151-first vertical plate extension, 16-second vertical plate, 161-second vertical plate extension, 17-first inclined plate, 18-fifth cross plate, 181-exhaust hole, 182-reinforcement rib, 19-second inclined plate, 191-plug welding hole, 20-third inclined plate. DETAILED DESCRIPTION

[0021] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0022] See also Figure 1 and 2 , is a schematic diagram of the structure of an embodiment of the middle channel rear cross beam structure of the present invention. This embodiment provides a middle channel rear cross beam structure, which is located in the front floor assembly of the vehicle. The structure of the vehicle body middle channel includes a middle channel rear cross beam structure 1, a middle channel cover plate 2, a middle channel body 4, a right seat cross beam 3 and a left seat cross beam 5.

[0023] In this embodiment, the directions of "front", "rear", "left" and "right" on the rear crossbeam structure of the central channel are all represented by Figure 1 The directions shown are only for describing a specific implementation of the structure and are not intended to be limiting on the installation or arrangement of the rear cross member structure of the center channel.

[0024] The rear cross beam structure of the middle channel in this embodiment is a symmetrical parts structure, specifically: including a first cross plate 11, a second cross plate 12, two third cross plates 13, two fourth cross plates 14, a first vertical plate 15, a second vertical plate 16, two first inclined plates 17, two second inclined plates 19 and a fifth cross plate 18;

[0025] The rear cross beam structure of the middle channel is composed of a fourth cross plate 14, a third cross plate 13, a fifth cross plate 18, a third cross plate 13 and a fourth cross plate 14 from left to right, the fourth cross plate 14 is connected to the third cross plate 13 through the third inclined plate 20, and the fourth cross plate 14 is connected to the lower end of the third inclined plate 20, the upper end of the third inclined plate 20 is connected to the third cross plate 13, and the two ends of the fifth cross plate 18 are respectively connected to the two ends of the third cross plates 13;

[0026] One end of the fifth transverse plate 18 located on one side of the middle channel cover plate 2 is connected to the upper end of the second vertical plate 16, the lower end of the second vertical plate 16 located at the fifth transverse plate 18 is connected to the second transverse plate 12, the second vertical plates 16 located on both sides of the fifth transverse plate 18 extend downward to form two second vertical plate extensions 161, and the two ends of the second transverse plate 12 are respectively connected to the inner end of the second vertical plate extension 161 through the first inclined plate 17, the second vertical plate extension 161 extends transversely to the fourth transverse plate 14, and the upper ends of the second vertical plate extensions 161 are respectively connected to the third transverse plate 13, the third inclined plate 20 and the fourth transverse plate 14;

[0027] One end of the fifth transverse plate 18 located on one side of the middle channel body 4 is connected to the upper end of the first vertical plate 15, the lower end of the first vertical plate 15 located at the fifth transverse plate 18 is connected to the first transverse plate 11, the first vertical plates 15 located on both sides of the fifth transverse plate 18 extend downward to form two first vertical plate extensions 151, and the two ends of the first transverse plate 11 are respectively connected to the inner end of the first vertical plate extension 151 through the second inclined plate 19, the first vertical plate extension 151 extends laterally to the fourth transverse plate 14, and the upper ends of the first vertical plate extensions 151 are respectively connected to the third transverse plate 13, the third inclined plate 20 and the fourth transverse plate 14.

[0028] In this embodiment, the first transverse plate 11 is located on the side of the middle channel body 4 and is welded to the side of the middle channel body 4 through multiple welding points. Specifically, both ends of the first transverse plate 11 are provided with process notches 111 adapted to the middle channel body 4, so that the first transverse plate 11 can be more closely fitted to the middle channel body 4. The second transverse plate 12 is located on the side of the middle channel cover plate 2 and is welded to the side of the middle channel cover plate 2 through multiple welding points.

[0029] The two fourth cross plates 14 are connected to the left seat cross beam 5 and the right seat cross beam 3 respectively through welding points. At the same time, the third inclined plate 20 and the middle part of the fourth cross plate 14 are concavely provided with a concave surface 142 adapted to the seat cross beam. The concave surface 142 can make the third inclined plate 20 and the fourth cross plate 14 fit the seat cross beam more closely, and the structural design is more reasonable. Preferably, the concave surface 142 is provided with a positioning hole 141, which improves the installation accuracy of the rear cross beam structure of the middle channel and the seat cross beam, and improves the working efficiency.

[0030] In this embodiment, at least one reinforcing rib 182 is respectively recessed along the left and right directions on the left and right sides of the fifth transverse plate 18. This arrangement increases the reinforcement strength, makes the anti-collision ability of the channel structure in the vehicle body stronger, and increases the rigidity of the seat mounting point.

[0031] In this embodiment, the first vertical plate 15 is a curved plate structure, which is to adapt to the structure of the upper surface of the middle channel body 4. And the first vertical plate extension 151 is welded to the sides of the left seat cross beam 5 and the right seat cross beam 3 through multiple welding points. And the second inclined plate 19 can be adapted to the structure of the upper surface of the middle channel body 4 and the second inclined plate 19 and the middle channel body 4 are connected through welding points. Further, the second inclined plate 19 is provided with a plug welding hole 191, and the welding points on the second inclined plate 19 can be connected to the middle channel body 4 through the plug welding hole 191.

[0032] In this embodiment, the second vertical plate 16 is a curved plate structure, which is adapted to the structure of the upper surface of the middle channel cover plate 2. The second vertical plate extension 161 is welded to the other side of the left seat cross beam 5 and the right seat cross beam 3 through multiple welding points. The first inclined plate 17 can be adapted to the structure of the upper surface of the middle channel body 4, and the second inclined plate 19 is connected to the middle channel body 4 through welding points.

[0033] From the description of the above embodiment, it can be seen that the center channel rear crossbeam structure 1 in this embodiment passes through the center channel cover 2 and the center channel body 4, and is connected to the right seat crossbeam 3 and the left seat crossbeam 5 through welds, forming a continuous through structure, thereby increasing the local mode and stiffness of the front floor.

[0034] Preferably, at least one electrophoresis exhaust hole 131 is provided on the third transverse plate 13. In addition, a seat mounting hole 132 is provided on the third transverse plate 13. The seat mounting hole 132 provides a mounting point for the seat. The rear cross beam structure 1 of the central channel connects the rear mounting brackets of the front seats into an integral part, reducing the number of parts. At the same time, the formed through structure ensures the effective transmission of the collision force during a side collision, thereby increasing the safety performance of the vehicle.

[0035] Specifically, at least one exhaust hole 181 is provided on the fifth transverse plate 18. The exhaust hole 181 can ensure that there is electrophoretic paint on the structure therein.

[0036] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A rear crossbeam structure of a central channel, characterized in that: It comprises a first horizontal plate (11), a second horizontal plate (12), two third horizontal plates (13), two fourth horizontal plates (14), a first vertical plate (15), a second vertical plate (16), two first inclined plates (17), two second inclined plates (19) and a fifth horizontal plate (18); The rear cross beam structure of the middle channel comprises, from left to right, a fourth cross plate (14), a third cross plate (13), a fifth cross plate (18), a third cross plate (13) and a fourth cross plate (14); the fourth cross plate (14) and the third cross plate (13) are connected via a third inclined plate (20); the fourth cross plate (14) is connected to the lower end of the third inclined plate (20); the upper end of the third inclined plate (20) is connected to the third cross plate (13); and both ends of the fifth cross plate (18) are respectively connected to both ends of the two third cross plates (13); One end of a fifth transverse plate (18) located on one side of the middle channel cover plate (2) is connected to the upper end of the second vertical plate (16), the lower end of the second vertical plate (16) located at the fifth transverse plate (18) is connected to the second transverse plate (12), the second vertical plates (16) located on both sides of the fifth transverse plate (18) extend downward to form two second vertical plate extensions (161), and the two ends of the second transverse plate (12) are respectively connected to the inner ends of the second vertical plate extensions (161) through the first inclined plate (17), the second vertical plate extensions (161) extend transversely to the fourth transverse plate (14), and the upper ends of the second vertical plate extensions (161) are respectively connected to the third transverse plate (13), the third inclined plate (20) and the fourth transverse plate (14); One end of a fifth transverse plate (18) located on one side of the middle channel body (4) is connected to the upper end of the first vertical plate (15), the lower end of the first vertical plate (15) located at the fifth transverse plate (18) is connected to the first transverse plate (11), the first vertical plates (15) located on both sides of the fifth transverse plate (18) extend downward to form two first vertical plate extensions (151), and the two ends of the first transverse plate (11) are respectively connected to the inner end of the first vertical plate extension (151) through the second inclined plate (19), the first vertical plate extension (151) extends transversely to the fourth transverse plate (14), and the upper ends of the first vertical plate extensions (151) are respectively connected to the third transverse plate (13), the third inclined plate (20) and the fourth transverse plate (14); At least one reinforcing rib (182) is respectively recessed along the left-right direction on the left and right sides of the fifth transverse plate (18); The third inclined plate (20) and the fourth cross plate (14) are both provided with a concave surface (142) in the middle thereof, which is adapted to the seat cross beam; The concave surface (142) is provided with a positioning hole (141); At least one electrophoresis exhaust hole (131) is provided on the third horizontal plate (13).

2. The rear cross beam structure of the central channel according to claim 1, characterized in that: The third transverse plate (13) is provided with a seat mounting hole (132).

3. The rear cross beam structure of the central channel according to claim 1, characterized in that: At least one exhaust hole (181) is provided on the fifth transverse plate (18).

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