Lightweight side wall framework structure of automobile

Abstract

The utility model discloses an automobile light-weight side wall framework structure which comprises a side wall framework body, an installation space is reserved on the side wall framework body, a supporting column is arranged at the position of the installation space, and a threshold side beam is arranged at the bottom of the side wall framework body. The vertical supporting pieces and the auxiliary supporting pieces are arranged in the supporting columns, so that the supporting effect of the supporting columns is enhanced, meanwhile, stress of the vertical supporting pieces and the auxiliary supporting pieces can be dispersed through the arrangement of the connecting pieces and the inclined connecting pieces, and the supporting effect of the supporting columns is improved by arranging the multiple sets of beam supporting assemblies in the upper beam. Meanwhile, the cross beam supporting assemblies are arranged at intervals, and the gaps between the cross beam supporting assemblies are gradually reduced in the direction away from the supporting columns, so that the supporting effect is guaranteed while the requirement for light weight is met on the whole; the supporting effect of the bending parts is guaranteed by arranging at least two reinforcing ribs on the first bending part and the second bending part.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile side wall framework, specifically to a kind of automobile light weight side wall framework structure. BACKGROUND

[0002] In prior art, automobile light weight side wall framework structure mainly uses high-strength lightweight materials such as aluminum alloy, carbon fiber composite material, to reduce the weight of vehicle body and maintain structural strength. At the same time, computer-aided design (CAD) and finite element analysis (FEA) and other tools are used to optimize the framework structure, reasonably allocate materials, and reduce unnecessary parts. In addition, advanced technologies such as laser cutting, stamping, welding and 3D printing are used in manufacturing process to improve production precision and efficiency and support the manufacturing of complex structures. In addition, the concept of modular design allows different components to be flexibly combined, facilitating production and maintenance, while reducing material usage. The comprehensive application of these technologies has promoted the lightweight process of automobile side wall framework structure.

[0003] However, the prior art still has some shortcomings, such as:

[0004] The automobile side wall framework in prior art is often supported by a simple center pillar, and lacks reinforcement for the curved part. At the same time, the side wall framework support structure in prior art increases the overall weight, which does not meet the current lightweight requirements. SUMMARY

[0005] The purpose of the present utility model is to provide an automobile light weight side wall framework structure to solve the problems raised in the background art.

[0006] To achieve the above purpose, the present utility model provides the following technical solutions:

[0007] An automobile light weight side wall framework structure includes a side wall framework body, an installation space is reserved on the side wall framework body, a support pillar is provided at the installation space, and a rocker side beam is provided at the bottom of the side wall framework body.

[0008] A first installation cavity is provided inside the support pillar, and a reinforcement support assembly is provided inside the first installation cavity.

[0009] A first curved part and a second curved part are provided on the side wall framework body, an upper cross beam is provided between the first curved part and the second curved part, a second installation cavity is provided inside the upper cross beam, and a cross beam support assembly is provided inside the second installation cavity.

[0010] Preferably, the reinforcement support assembly includes a vertical support sheet, the vertical support sheet is arranged at the middle position inside the first installation cavity, auxiliary support sheets are symmetrically arranged on both sides of the vertical support sheet, and a plurality of connecting sheets are arranged between adjacent auxiliary support sheets.

[0011] Preferably, a plurality of inclined connecting pieces are arranged between the inner side of the auxiliary support piece and the vertical support piece, the plurality of inclined connecting pieces are arranged at intervals, and the gaps between the inclined connecting pieces gradually decrease from top to bottom.

[0012] Preferably, the vertical support piece is trapezoidal.

[0013] Preferably, the cross beam support assembly comprises a vertical support block, and support blocks are symmetrically arranged on both sides of the vertical support block, and the two support blocks are triangular.

[0014] Preferably, a plurality of cross beam support assemblies are arranged inside the second mounting cavity, the plurality of cross beam support assemblies are arranged at intervals, and the gaps between the cross beam support assemblies gradually decrease in the direction away from the support column.

[0015] Preferably, a reinforcing rib is arranged on each of the first curved part and the second curved part, the reinforcing rib and the first curved part and the second curved part have the same bending angle, and the number of the reinforcing rib is not less than two.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The vertical support piece and the auxiliary support piece arranged inside the support column enhance the support effect of the support column, the stress of the vertical support piece and the auxiliary support piece is dispersed through the arrangement of the connecting piece and the inclined connecting piece, the support effect of the support column is improved on the basis of reducing the weight of the support column, the connecting piece and the inclined connecting piece make the vertical support piece and the auxiliary support piece form a whole, and the support effect is better.

[0018] 2. The plurality of cross beam support assemblies arranged inside the upper cross beam guarantee the bending resistance of the cross beam, the plurality of cross beam support assemblies are arranged at intervals, and the gaps between the cross beam support assemblies gradually decrease in the direction away from the support column, so that the whole meets the lightweight requirement while guaranteeing the support effect.

[0019] 3. The two or more reinforcing ribs arranged on the first curved part and the second curved part guarantee the support effect of the curved part. DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the utility model;

[0021] Figure 2 It is a support column internal structure schematic view of the utility model;

[0022] Figure 3 It is a cross beam support assembly structure schematic view of the utility model;

[0023] Figure 4The reinforcing rib structure schematic view of the utility model strengthens the connection between the reinforcing rib and the side wall framework body.

[0024] Figure 5 The connecting piece and the inclined connecting piece schematic view of the utility model.

[0025] In the drawing: 1, side wall framework body; 2, installation space; 3, support column; 4, door sill side beam; 5, first installation cavity; 6, first bending part; 7, second bending part; 8, upper cross beam; 9, second installation cavity; 10, vertical supporting piece; 11, auxiliary supporting piece; 12, connecting piece; 13, inclined connecting piece; 14, vertical supporting block; 15, supporting block; 16, reinforcing rib. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0028] A kind of automobile light weight side wall framework structure, including side wall framework body 1, installation space 2 is reserved on side wall framework body 1, support column 3 is arranged at installation space 2, side wall framework body 1 bottom is provided with door sill side beam 4;

[0029] The side wall framework body 1 in the embodiment is arranged on door sill side beam 4 by nut, and support column 3 is also fixedly arranged on door sill side beam 4 by nut;

[0030] First installation cavity 5 is arranged in support column 3, and reinforcing support assembly is arranged in first installation cavity 5.

[0031] First bending part 6 and second bending part 7 are arranged on side wall framework body 1, and upper cross beam 8 is between first bending part 6 and second bending part 7, second installation cavity 9 is arranged in upper cross beam 8, and cross beam support assembly is arranged in second installation cavity 9.

[0032] Reinforcing support assembly includes vertical supporting piece 10, vertical supporting piece 10 is arranged in the middle position of first installation cavity 5, auxiliary supporting piece 11 is symmetrically arranged on the both sides of vertical supporting piece 10, a plurality of connecting pieces 12 are arranged between adjacent auxiliary supporting pieces 11, and vertical supporting piece 10 is trapezoidal.

[0033] The vertical support piece 10 in the embodiment is arranged in the middle of the first mounting cavity 5, provides a main support function, has a trapezoidal shape, is narrow at the top and wide at the bottom, the number of the auxiliary support pieces 11 is four, and the auxiliary support pieces 11 are arranged on both sides of the vertical support piece 10, the auxiliary support pieces 11 on both sides are triangular, the auxiliary support pieces 11 on the same side are connected through the connecting pieces 12, so that the force received by the auxiliary support pieces 11 can be dispersed to the adjacent auxiliary support pieces 11, and the originally spaced auxiliary support pieces 11 can form a whole to achieve a better support effect.

[0034] The inner auxiliary support pieces 11 and the vertical support piece 10 are provided with a plurality of inclined connecting pieces 13, the plurality of inclined connecting pieces 13 are arranged at intervals, and the gaps between the inclined connecting pieces 13 gradually decrease from top to bottom.

[0035] The inner auxiliary support pieces 11 in the embodiment are two auxiliary support pieces 11 close to the vertical support piece 10, the two auxiliary support pieces 11 and the vertical support piece 10 are connected through the inclined connecting pieces 13, so that the force received by the auxiliary support pieces 11 can be dispersed to the vertical support piece 10, and the support effect is further enhanced, because the support column 3 in the embodiment is also trapezoidal, the spacing between the upper auxiliary support piece 11 and the vertical support piece 10 is small, and the spacing between the lower auxiliary support piece 11 and the vertical support piece 10 is large, so the lower inclined connecting pieces 13 are arranged more densely to further ensure the support effect, and the sparseness of the upper arrangement also meets the lightweight requirement.

[0036] The cross beam support assembly comprises a vertical support block 14, the vertical support block 14 is symmetrically provided with a support block 15 on both sides, the two support blocks 15 are triangular, a plurality of cross beam support assemblies are arranged in the second mounting cavity 9, the cross beam support assemblies are arranged at intervals, and the gaps between the cross beam support assemblies gradually decrease in the direction away from the support column 3.

[0037] In the embodiment, cavities are arranged in the support column 3 and the upper cross beam 8, so that the weight of the support column 3 and the upper cross beam 8 is reduced, the lightweight requirement is met, and the reinforcing support assembly and the cross beam support assembly are arranged in the first mounting cavity 5 and the second mounting cavity 9 to make up for the decrease in the support capacity caused by the arrangement of the cavities, so that the support capacity is ensured and the overall weight is reduced;

[0038] In the embodiment, the gaps between the cross beam support assemblies gradually decrease in the direction away from the support column 3, considering that the support force of the upper cross beam 8 close to the support column 3 is mainly borne by the support column 3, a smaller number of cross beam support assemblies are arranged to meet the lightweight requirement, and the overall support capacity is not affected, the two support blocks 15 are triangular, which can further improve the support force and be more stable.

[0039] The first bending part 6 and the second bending part 7 are both provided with reinforcing ribs 16, the reinforcing ribs 16 and the first bending part 6 and the second bending part 7 have the same bending angle, the number of the reinforcing ribs 16 is not less than two, and the number of the reinforcing ribs 16 in the embodiment is two, and the bending resistance of the first bending part 6 and the second bending part 7 is ensured through the arrangement of the reinforcing ribs 16.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A lightweight side frame structure for automobiles, characterized in that: Including side wall framework body (1), the mounting space (2) is reserved on the side wall framework body (1), the support (3) is arranged at the mounting space (2), the sill side beam (4) is arranged at the bottom of the side wall framework body (1); The first installation cavity (5) is arranged in the support (3), and the first installation cavity (5) is provided with a reinforcing support assembly; The first curved portion (6) and the second curved portion (7) are arranged on the side wall framework body (1), the upper cross beam (8) is between the first curved portion (6) and the second curved portion (7), the second installation cavity (9) is arranged in the upper cross beam (8), and the second installation cavity (9) is provided with a cross beam support assembly.

2. The automobile lightweight side wall framework structure according to claim 1, characterized in that: The reinforcing support assembly comprises a vertical support sheet (10), the vertical support sheet (10) is arranged in the middle position of the first installation cavity (5), the auxiliary support sheet (11) is symmetrically arranged on both sides of the vertical support sheet (10), and a plurality of connecting sheets (12) are arranged between adjacent auxiliary support sheets (11).

3. The automobile lightweight side wall framework structure according to claim 2, characterized in that: A plurality of inclined connecting sheets (13) are arranged between the auxiliary support sheet (11) and the vertical support sheet (10) on the inner side, the plurality of inclined connecting sheets (13) are arranged at intervals, and the gap between the inclined connecting sheets (13) gradually decreases from top to bottom.

4. The automobile lightweight side wall framework structure according to claim 3, characterized in that: The vertical support sheet (10) is trapezoidal.

5. The automobile lightweight side wall skeleton structure according to claim 1, characterized in that: The cross beam support assembly comprises a vertical support block (14), the support block (15) is symmetrically arranged on both sides of the vertical support block (14), and the two support blocks (15) are triangular.

6. The automobile lightweight side wall skeleton structure according to claim 1, characterized in that: A plurality of cross beam support assemblies are arranged in the second installation cavity (9), the plurality of cross beam support assemblies are arranged at intervals, and the gap between the plurality of cross beam support assemblies gradually decreases in the direction away from the support (3).

7. The automobile lightweight side wall skeleton structure according to claim 1, characterized in that: The first curved portion (6) and the second curved portion (7) are provided with reinforcing ribs (16), the reinforcing ribs (16) and the first curved portion (6) and the second curved portion (7) have the same bending angle, and the number of the reinforcing ribs (16) is not less than two.

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