Truck rear wall connecting lower cross beam assembly

Abstract

The utility model relates to the technical field of trucks, in particular to a truck rear wall connecting lower cross beam assembly which comprises a rear wall connecting lower cross beam assembly body, the rear wall connecting lower cross beam assembly body is of an axial symmetry structure, and one face of the rear wall connecting lower cross beam assembly body is symmetrically connected with coating auxiliary hooks. A wiring harness penetrating hole is formed in the middle of the rear wall connecting lower cross beam assembly body, light-weight long round holes are formed in the two sides of the rear wall connecting lower cross beam assembly body respectively, and a countersunk table type long round hole and a countersunk table type round hole which correspond to each other in position are formed in the two sides of the rear wall connecting lower cross beam assembly body respectively. According to the truck rear wall connecting lower cross beam assembly, the structural design reasonability of the rear wall connecting cross beam assembly is guaranteed, meanwhile, it is guaranteed that the rigidity, the strength and the light weight index meet the requirements, and the problems of structural design, rigidity, strength, light weight and the like of the truck rear wall connecting lower cross beam assembly are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of trucks, in particular to a truck rear enclosure connected to a lower crossbeam assembly. Background Art

[0002] A truck, also commonly known as a van, truck or delivery vehicle, is a motor vehicle designed specifically for transporting goods and merchandise. The rear connecting beam assembly of a truck is an important component of the vehicle structure, and its function is to enhance the rigidity and stability of the vehicle body.

[0003] The existing rear enclosure of a truck is connected to the surrounding structure by a crossbeam. The rear enclosure crossbeam of a truck is usually composed of a plurality of bent parts. For example, a crossbeam assembly of a frame and a vehicle disclosed in publication number CN219487558U increases the weight while ensuring the structural strength, and cannot be lightweighted. Utility Model Content

[0004] The purpose of the utility model is to provide a truck rear panel connected to a lower cross beam assembly to solve the problem raised by the above background technology that the truck rear panel cross beam on the market is usually composed of a plurality of bent parts, and while ensuring the structural strength, the weight will increase accordingly, and lightweight processing cannot be performed.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rear enclosure connected to a lower cross beam assembly of a truck, comprising a rear enclosure connected to a lower cross beam assembly main body, the rear enclosure connected to the lower cross beam assembly main body is an axisymmetric structure, and one side of the rear enclosure connected to the lower cross beam assembly main body is symmetrically connected with a painting auxiliary hook, a wiring harness through hole is provided in the middle of the rear enclosure connected to the lower cross beam assembly main body, and lightweight long round holes are also provided on both sides of the rear enclosure connected to the lower cross beam assembly main body, and correspondingly positioned sunken platform-type long round holes and sunken platform-type round holes are also provided on both sides of the rear enclosure connected to the lower cross beam assembly main body, and front welding flanges and rear welding flanges are respectively provided at the front and rear ends of the rear enclosure connected to the lower cross beam assembly main body, a sunken platform is provided at the middle front part of the rear enclosure connected to the lower cross beam assembly main body, and a stamping groove is provided on the rear enclosure connected to the lower cross beam assembly main body.

[0006] Preferably, a rear enclosure connected to an upper crossbeam assembly is provided above the main body of the rear enclosure connected to the lower crossbeam assembly, and a left rear sill rear section assembly and a right rear sill rear section assembly are respectively provided on the left and right sides of the main body of the rear enclosure connected to the lower crossbeam assembly, a handbrake mounting plate assembly and a seat rear upright plate assembly are respectively provided at the front end and below the main body of the rear enclosure connected to the lower crossbeam assembly, and a rear enclosure panel assembly is provided behind the main body of the rear enclosure connected to the lower crossbeam assembly.

[0007] Preferably, the rear enclosure is connected to the lower cross beam assembly body and is overlapped with the rear enclosure panel assembly, the right rear door sill rear section assembly, the handbrake mounting plate assembly, the seat rear vertical plate assembly, the rear enclosure is connected to the upper cross beam assembly and the left rear door sill rear section assembly respectively.

[0008] Preferably, the sinker corresponds to the position of the handbrake mounting plate assembly.

[0009] Preferably, four lightweight oblong holes are provided, and two lightweight oblong holes near the middle correspond to the positions of the auxiliary painting hooks.

[0010] Preferably, the lightweight oblong hole, the countersunk oblong hole, the harness through hole, and the countersunk round hole are all located at the stamping groove, and the painting auxiliary hook is welded to the stamping groove.

[0011] Preferably, the countersunk oblong hole and the countersunk circular hole are respectively located between two lightweight oblong holes on the same side.

[0012] Preferably, the painting auxiliary hook is a steel bar with a radius of 5 mm.

[0013] Preferably, the front welding flange and the rear welding flange are arranged vertically relative to each other.

[0014] Preferably, the countersunk circular hole constitutes an RPS main positioning hole of the lower cross beam assembly of the rear enclosure of the automobile, and the countersunk oblong hole constitutes an RPS auxiliary positioning hole of the lower cross beam assembly of the rear enclosure of the automobile.

[0015] Compared with the prior art, the utility model has the beneficial effects that the truck rear enclosure connecting lower cross beam assembly ensures the rationality of the structural design of the truck rear enclosure connecting lower cross beam assembly while ensuring that its rigidity and lightweight indicators meet the requirements, thereby solving the problems of structural design, rigidity, lightweight, etc. of the truck rear enclosure connecting lower cross beam assembly. The truck rear enclosure connecting lower cross beam assembly is provided with a through-type stamping groove, which can ensure the structural strength of the main body, and the holes opened at various locations are structurally strengthened through the stamping groove, and the oblong holes are used for weight reduction, thereby achieving a lightweight design. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The following are drawings of exemplary embodiments of the present invention, in which the same or similar reference numerals are used to represent the same or similar elements.

[0017] Figure 1 This is a top view of the lower cross beam assembly connected to the rear enclosure of a truck according to the utility model;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the lightweight oblong hole of the lower cross beam assembly connected to the rear wall of a truck according to the utility model;

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the sunken platform-type circular hole at the connection of the lower crossbeam assembly of the rear enclosure of a truck according to the utility model;

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the sinking platform where the rear enclosure of a truck is connected to the lower cross beam assembly of the utility model;

[0021] Figure 5 The utility model is a schematic diagram of the overlapping structure of the lower cross beam assembly main body and the surrounding parts of the rear enclosure of a truck.

[0022] Figure markings: 1. Lower crossbeam assembly body; 2. Lightweight oblong hole; 3. Sunken oblong hole; 4. Painting auxiliary hook; 5. Front welding flange; 6. Wire harness through hole; 7. Sunken platform; 8. Stamping groove; 9. Rear welding flange; 10. Sunken round hole; 11. Rear panel assembly; 12. Right rear door sill rear section assembly; 13. Handbrake mounting plate assembly; 14. Seat rear vertical plate assembly; 15. Rear panel connected to upper crossbeam assembly; 16. Left rear door sill rear section assembly. DETAILED DESCRIPTION

[0023] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0024] In the present utility model, the term "and / or" is intended to cover all possible combinations and sub-combinations of the listed elements, including any one of the elements listed separately, any sub-combination or all elements, without excluding other elements. Unless otherwise specified, the terms "first", "second", etc. are used to describe various elements without intending to limit the positional relationship, timing relationship or importance relationship of these elements. Such terms are only used to distinguish one element from another. Unless otherwise specified, the orientation or positional relationship indicated by the terms "front, back, up, down, left, right", etc. is usually based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience and simplification of description, and cannot be understood as limiting the scope of protection of the present utility model.

[0025] See also Figure 1-5The utility model provides a technical solution: a rear enclosure connected to a lower cross beam assembly of a truck, comprising a rear enclosure connected to a lower cross beam assembly body 1, a rear enclosure connected to an upper cross beam assembly 15 is arranged above the rear enclosure connected to the lower cross beam assembly body 1, and a left rear door sill rear section assembly 16 and a right rear door sill rear section assembly 12 are respectively arranged on the left and right sides of the rear enclosure connected to the lower cross beam assembly body 1, a handbrake mounting plate assembly 13 and a seat rear stand plate assembly 14 are respectively arranged at the front end and the bottom of the rear enclosure connected to the lower cross beam assembly body 1, and a rear enclosure plate assembly 11 is arranged behind the rear enclosure connected to the lower cross beam assembly body 1. This structure forms a rear enclosure connected to a cross beam assembly through the rear enclosure connected to the lower cross beam assembly body 1 and the rear enclosure connected to the upper cross beam assembly 15, and the left rear door sill rear section assembly 16 and the right rear door sill rear section assembly 12 are connected to the rear enclosure connected to the cross beam assembly through the rear enclosure connected to the cross beam assembly. The assembly 12, the handbrake mounting plate assembly 13 and the seat rear upright plate assembly 14 play a role of connection and fixing. The rear enclosure is connected to the lower crossbeam assembly main body 1 of the axisymmetric structure. The rear enclosure is connected to the lower crossbeam assembly main body 1 and the rear enclosure plate assembly 11, the right rear door sill rear section assembly 12, the handbrake mounting plate assembly 13, the seat rear upright plate assembly 14, the rear enclosure is connected to the upper crossbeam assembly 15 and the left rear door sill rear section assembly 16 respectively. This structure allows the rear enclosure to be connected to the lower crossbeam assembly main body 1 after overlapping with the surrounding structure. Fixing treatments such as welding or screwing can be performed, and one side of the rear enclosure is symmetrically connected to the lower crossbeam assembly main body 1 with a painting auxiliary hook 4, which is a steel bar with a radius of 5mm. In this structure, the painting auxiliary hook 4 and the rear enclosure are connected to the lower crossbeam assembly main body 1 in the punching The pressing groove 8 is welded, and the feasibility of the painting process is ensured by the close cooperation between the auxiliary painting hook 4 and the lightweight oblong hole 2. A wiring harness through hole 6 is provided in the middle of the main body 1 of the rear enclosure connected to the lower cross beam assembly. The wiring harness through hole 6 is used for the direction of the wiring harness. At the same time, weight reduction is also achieved through the wiring harness through hole 6. Lightweight oblong holes 2 are also provided on both sides of the main body 1 of the rear enclosure connected to the lower cross beam assembly. There are four lightweight oblong holes 2, and the two lightweight oblong holes 2 near the middle correspond to the positions of the auxiliary painting hook 4. This structure enables the main body 1 of the rear enclosure connected to the lower cross beam assembly to be weight-reduced through the lightweight oblong holes 2, thereby achieving lightweight processing of the lightweight oblong holes 2. Corresponding sunken platforms are also provided on both sides of the main body 1 of the rear enclosure connected to the lower cross beam assembly. The oblong hole 3 and the sunken platform-type circular hole 10 are respectively located between the two lightweight oblong holes 2 on the same side. The sunken platform-type oblong hole 3 and the sunken platform-type circular hole 10 of this structure make the opening position structure of the hole reliable through the sunken platform-type structure, thereby ensuring the connection strength of the rear enclosure connecting the lower cross beam assembly body 1, and the front and rear ends of the rear enclosure connecting the lower cross beam assembly body 1 are respectively provided with a front welding flange 5 and a rear welding flange 9, and the front welding flange 5 and the rear welding flange 9 are relatively vertically arranged. The front welding flange 5 and the rear welding flange 9 of this structure can respectively enhance the structural strength of the front and rear ends of the rear enclosure connecting the lower cross beam assembly body 1, thereby ensuring the reliability of the connection between the rear enclosure connecting the lower cross beam assembly body 1 and the seat rear vertical plate assembly 14 and the rear enclosure assembly 11.The countersunk circular hole 10 constitutes the RPS main positioning hole of the lower cross beam assembly of the rear panel of the automobile, and the countersunk oblong hole 3 constitutes the RPS main positioning hole of the lower cross beam assembly of the rear panel of the automobile. RPS (Reference Point System) is a positioning system mainly used in automobile manufacturing, aiming to improve assembly efficiency, ensure the accuracy of part dimensions and reduce costs. The RPS system defines a series of reference points to ensure that consistent positioning references can be maintained throughout the entire production process, including the development, manufacturing, testing and assembly stages, thereby reducing errors, improving production efficiency and ensuring product quality. When this structure is connected and positioned through the corresponding countersunk circular hole 10 and the countersunk oblong hole 3, the oblong hole structure of the countersunk oblong hole 3 realizes the adjustability of the connection position, and the rear panel is connected to the main body of the lower cross beam assembly. 1 A sinking platform 7 is provided in the middle front part, and the sinking platform 7 corresponds to the position of the handbrake mounting plate assembly 13. This structure enables the sinking platform 7 to reinforce the fixed position of the handbrake mounting plate assembly 13 and ensure the structural strength of the rear enclosure connecting the lower cross beam assembly body 1. A stamping groove 8 is provided on the rear enclosure connecting the lower cross beam assembly body 1. The lightweight oblong hole 2, the sinking platform oblong hole 3, the harness through hole 6, and the sinking platform round hole 10 are all located at the stamping groove 8, and the painting auxiliary hook 4 is welded to the stamping groove 8. This structure can enhance the stability of the rear enclosure connecting the lower cross beam assembly body 1 by setting the stamping groove 8 through.

[0026] Working principle: When the truck rear enclosure is connected to the lower cross beam assembly, first, the rear enclosure is connected to the lower cross beam assembly body 1 by stamping and punching, and the rear enclosure is connected to the lower cross beam assembly body 1 and the rear enclosure is connected to the upper cross beam assembly 15 by overlapping and fixing. The rear enclosure is connected to the cross beam assembly, and the stamping groove 8 is horizontally penetrated on the rear enclosure connection lower cross beam assembly body 1 to ensure the structural strength. The lightweight oblong hole 2, the countersunk oblong hole 3, the harness through hole 6 and the countersunk round hole 10 are distributed on the stamping groove 8. The rear enclosure is connected to the lower cross beam assembly body 1 by welding and fixing. Auxiliary hooks 4 are installed to ensure smooth progress of the painting process. The rear enclosure is connected to the main body 1 of the lower cross beam assembly for structural reinforcement through the front welding flange 5 and the rear welding flange 9, and the seat rear upright assembly 14 and the rear enclosure assembly 11 are overlapped and positioned through the front welding flange 5 and the rear welding flange 9. The sinker 7 overlaps and positions the connection part of the handbrake mounting plate assembly 13. The two ends of the rear enclosure are connected to the main body 1 of the lower cross beam assembly and overlapped and connected with the left rear door sill rear section assembly 16 and the right rear door sill rear section assembly 12 respectively, thereby completing a series of work.

[0027] It should be noted that the utility model (e.g., utility model concepts, etc.) has been described in the specification of this patent document and / or illustrated in the drawings according to the exemplary embodiments; the embodiments of the utility model are presented only by way of example and are not intended to limit the scope of the utility model. The structure and / or arrangement of the elements of the utility model concepts embodied in the utility model as described in the specification and / or illustrated in the drawings are only illustrative. Although the exemplary embodiments of the utility model have been described in detail in this patent document, it is easy for a person of ordinary skill in the art to understand that equivalents, modifications, changes, etc. of the subject matter of the exemplary embodiments and alternative embodiments are possible and are considered to be within the scope of the utility model; all of these subject matters (e.g., modifications, changes, embodiments, combinations, equivalents, etc.) are intended to be included within the scope of the utility model. It should also be noted that various / other modifications, changes, substitutions, equivalents, changes, omissions, etc. can be made in the configuration and / or arrangement of the exemplary embodiments (e.g., in terms of concepts, designs, structures, devices, forms, assemblies, constructions, means, functions, systems, processes / methods, steps, the order of process / method steps, operations, operating conditions, performance, materials, compositions, combinations, etc.). ) without departing from the scope of the present invention; all of these subjects (such as modifications, changes, embodiments, combinations, equivalents, etc.) are intended to be included within the scope of the present invention. The scope of the present invention is not intended to be limited to the subject matter described in the specification and / or drawings of this patent document (such as details, structures, functions, materials, behaviors, steps, sequences, systems, results, etc.). Considering that the claims of this patent document will be appropriately interpreted as covering the full scope of the subject matter of the present invention (for example, including any and all such modifications, changes, embodiments, combinations, equivalents, etc.); it should be understood that the terms used in this patent document are intended to provide a description of the subject matter of the exemplary embodiments, rather than as a limitation on the scope of the present invention.

[0028] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A truck rear enclosure connecting lower cross beam assembly, comprising a rear enclosure connecting lower cross beam assembly body (1), characterized in that: The rear enclosure connected to the lower cross beam assembly body (1) is an axisymmetric structure, and one side of the rear enclosure connected to the lower cross beam assembly body (1) is symmetrically connected to a painting auxiliary hook (4), a wiring harness through hole (6) is provided in the middle of the rear enclosure connected to the lower cross beam assembly body (1), and lightweight long round holes (2) are also provided on both sides of the rear enclosure connected to the lower cross beam assembly body (1), and correspondingly positioned sunken platform-type long round holes (3) and sunken platform-type round holes (10) are also provided on both sides of the rear enclosure connected to the lower cross beam assembly body (1), and the front and rear ends of the rear enclosure connected to the lower cross beam assembly body (1) are respectively provided with a front welding flange (5) and a rear welding flange (9), a sunken platform (7) is provided in the middle front portion of the rear enclosure connected to the lower cross beam assembly body (1), and a stamping groove (8) is provided on the rear enclosure connected to the lower cross beam assembly body (1).

2. The truck rear wall connecting lower cross beam assembly according to claim 1, characterized in that: A rear enclosure connecting to an upper crossbeam assembly (15) is arranged above the main body (1) of the rear enclosure connecting to the lower crossbeam assembly, and a left rear door sill rear section assembly (16) and a right rear door sill rear section assembly (12) are arranged on the left and right sides of the main body (1) of the rear enclosure connecting to the lower crossbeam assembly, respectively; a handbrake mounting plate assembly (13) and a seat rear upright plate assembly (14) are arranged at the front end and the bottom of the main body (1) of the rear enclosure connecting to the lower crossbeam assembly, respectively, and a rear enclosure panel assembly (11) is arranged behind the main body (1) of the rear enclosure connecting to the lower crossbeam assembly.

3. The truck rear wall connecting lower cross beam assembly according to claim 2, characterized in that: The rear enclosure connecting lower crossbeam assembly body (1) is overlapped with the rear enclosure panel assembly (11), the right rear door sill rear section assembly (12), the handbrake mounting plate assembly (13), the seat rear vertical plate assembly (14), the rear enclosure connecting upper crossbeam assembly (15) and the left rear door sill rear section assembly (16).

4. The truck rear wall connecting lower cross beam assembly according to claim 2, characterized in that: The position of the sinking platform (7) corresponds to that of the handbrake mounting plate assembly (13).

5. The truck rear wall connecting lower cross beam assembly according to claim 1, characterized in that: Four lightweight oblong holes (2) are provided, and two lightweight oblong holes (2) near the middle correspond to the positions of the auxiliary painting hooks (4).

6. The truck rear wall connecting lower cross beam assembly according to claim 1, characterized in that: The lightweight oblong hole (2), the sunken oblong hole (3), the harness through hole (6), and the sunken round hole (10) are all located at the stamping groove (8), and the painting auxiliary hook (4) is welded to the stamping groove (8).

7. The truck rear wall connecting lower cross beam assembly according to claim 1, characterized in that: The sunken platform-type oblong hole (3) and the sunken platform-type circular hole (10) are respectively located between two lightweight oblong holes (2) on the same side.

8. The truck rear wall connecting lower cross beam assembly according to claim 1, characterized in that: The painting auxiliary hook (4) is a steel bar with a radius of 5 mm.

9. The truck rear wall connecting lower cross beam assembly according to claim 1, characterized in that: The front welding flange (5) and the rear welding flange (9) are arranged vertically relative to each other.

10. The truck rear wall connecting lower cross beam assembly according to claim 1, characterized in that: The countersunk circular hole (10) constitutes an RPS main positioning hole of the lower cross beam assembly of the rear enclosure of the automobile, and the countersunk oblong hole (3) constitutes an RPS auxiliary positioning hole of the lower cross beam assembly of the rear enclosure of the automobile.

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