Folding type lightweight armrest framework in automobile seat

Abstract

A middle armrest framework of a folding type light-weight automobile seat belongs to the technical field of automobiles and comprises a framework and a back plate, and the framework comprises an upper cross beam, a lower cross beam, a left vertical beam, a right vertical beam, a left upper connecting block, a right upper connecting block, a left lower connecting block and a right lower connecting block. The two ends of the upper cross beam are fixedly connected with the left upper connecting block and the right upper connecting block respectively; the two ends of the lower cross beam are fixedly connected with the left lower connecting block and the right lower connecting block respectively; the upper and lower ends of the left vertical beam are fixedly connected with the left upper connecting block and the left lower connecting block respectively; the upper end and the lower end of the right vertical beam are fixedly connected with the right upper connecting block and the right lower connecting block respectively; the backboard is fixedly connected with the back of the framework. The framework is formed by cutting aluminum alloy or magnesium alloy profiles, light weight is facilitated, the part machining speed is high, all parts can be rapidly assembled, the production speed is high, the production speed is greatly increased, and the production cost is reduced.

Description

Technical Field

[0001] The present invention belongs to the technical field of automobiles, and particularly relates to an armrest frame in a folding lightweight automobile seat. Background Art

[0002] Generally, to meet the comfort and functionality of riding, a foldable seat armrest is provided in the middle of the left and right rear seats of an automobile to meet the comfort of passengers when riding; even high-end models design this middle armrest into the same structure as the rear seat backrest, that is, it is composed of an internal steel frame, foam, plastic parts, and a cover; due to the relevant standard requirements of strength, stiffness, and durability, the internal frame of the traditional automobile seat armrest is mainly made of low-carbon steel, and parts such as stamped parts, steel pipes, and steel wires are welded to form an integral structure; to ensure the accuracy and strength of these steel parts after assembly, some additional tooling fixtures have to be designed to ensure the overall accuracy and strength of the welded parts from the process; however, for the seat armrest with a carbon steel frame structure, on the one hand, the parts are heavy, and the operating force is large for users when using, and it is not easy to operate; on the other hand, multiple parts are welded to form a component, and the welding accuracy is not easy to guarantee, and the investment in tooling such as multiple sets of molds and welding jigs will also increase the product cost; in addition, the welding structure makes the production efficiency of the whole product low, which is not conducive to mass production and product consistency. Summary of the Invention

[0003] The purpose of the present invention is to solve the above problems existing in the armrest frame of the traditional seat, and provide an armrest frame in a folding lightweight automobile seat. The present invention can achieve rapid assembly, improve the part accuracy while improving the production efficiency, reduce the production cost, and the lightweight design is beneficial to energy conservation and emission reduction and protects the environment.

[0004] The present invention adopts the following technical solutions: An armrest frame in a folding lightweight automobile seat, comprising a frame and a backboard. The frame includes an upper cross beam, a lower cross beam, a left vertical beam, a right vertical beam, an upper left connecting block, an upper right connecting block, a lower left connecting block, and a lower right connecting block; both ends of the upper cross beam are fixedly connected to the upper left connecting block and the upper right connecting block respectively; both ends of the lower cross beam are fixedly connected to the lower left connecting block and the lower right connecting block respectively; the upper and lower ends of the left vertical beam are fixedly connected to the upper left connecting block and the lower left connecting block respectively; the upper and lower ends of the right vertical beam are fixedly connected to the upper right connecting block and the lower right connecting block respectively; the backboard is fixedly connected to the back of the frame.

[0005] The said fixed connection is welding, or riveting or bonding.

[0006] The described upper left connecting block and upper right connecting block are formed by cutting profiles of the same cross-section. The lower left connecting block and lower right connecting block are formed by cutting profiles of the same cross-section. The left vertical beam and right vertical beam are formed by cutting the same type of profile. The upper cross beam and lower cross beam are formed by cutting profiles of the same cross-section.

[0007] The described upper left connecting block and upper right connecting block are left-right symmetric parts. Both the upper left connecting block and upper right connecting block have square holes, and the square holes are used for the installation of the headrest guide sleeve.

[0008] The described lower left connecting block and lower right connecting block are left-right symmetric parts. Both the lower left connecting block and lower right connecting block have rotating shaft holes, and the rotating shaft holes are used for the installation and rotation of the armrest frame assembly.

[0009] The described back plate is a stamping part or a molded part, and is a thin-walled part. There are raised reinforcing ribs in the middle of the back plate, and there is a flanging structure around the back plate. The flanging structure is used for the fixation of the face cover or other parts.

[0010] The material of the described frame is aluminum alloy or magnesium alloy.

[0011] Advantages of the present invention: 1. The frame of the present invention is formed by processing profiles, and the material of the frame is aluminum alloy or magnesium alloy, which is light in weight and is beneficial to the lightweight of the present invention.

[0012] 2. Since each component of the frame is formed by cutting profiles, the part processing speed is fast, and each part can be assembled quickly, so the production speed is fast, which greatly improves the production speed and reduces the production cost. Description of the drawings

[0013] Figure 1 is a three-dimensional schematic diagram of the present invention; Figure 2 is a three-dimensional schematic diagram of the upper part of the present invention; Figure 3 is a three-dimensional schematic diagram of the lower part of the present invention; Figure 4 is a three-dimensional schematic diagram of another perspective of the upper part of the present invention; Figure 5 is an exploded view of the present invention; Figure 6 is a three-dimensional schematic diagram of the back plate of the present invention; Figure 7 is a bottom view of the back plate of the present invention. Detailed implementation manners

[0014] Such as Figures 1 to 7As shown in the figure, an armrest frame in a folding lightweight vehicle seat includes a frame A and a back panel 9. The frame A includes an upper cross beam 1, a lower cross beam 2, a left vertical beam 3, a right vertical beam 4, a left upper connecting block 5, a right upper connecting block 6, a left lower connecting block 7, and a right lower connecting block 8. Both ends of the upper cross beam 1 are fixedly connected to the left upper connecting block 5 and the right upper connecting block 6 respectively. Both ends of the lower cross beam 2 are fixedly connected to the left lower connecting block 7 and the right lower connecting block 8 respectively. The upper and lower ends of the left vertical beam 3 are fixedly connected to the left upper connecting block 5 and the left lower connecting block 7 respectively. The upper and lower ends of the right vertical beam 4 are fixedly connected to the right upper connecting block 6 and the right lower connecting block 8 respectively. The back panel 9 is fixedly connected to the back of the frame A.

[0015] The aforesaid fixed connection is welding, riveting or bonding.

[0016] The left upper connecting block 5 and the right upper connecting block 6 are formed by cutting a profile with the same cross-section. The left lower connecting block 7 and the right lower connecting block 8 are formed by cutting a profile with the same cross-section. The left vertical beam 3 and the right vertical beam 4 are formed by cutting the same type of profile. The upper cross beam 1 and the lower cross beam 2 are formed by cutting a profile with the same cross-section.

[0017] The left upper connecting block 5 and the right upper connecting block 6 are left-right symmetric parts. Both the left upper connecting block 5 and the right upper connecting block 6 have square holes 51, and the square holes 51 are used for the installation of the headrest guide sleeve.

[0018] The left lower connecting block 7 and the right lower connecting block 8 are left-right symmetric parts. Both the left lower connecting block 7 and the right lower connecting block 8 have rotating shaft holes 71, and the rotating shaft holes 71 are used for the installation and rotation of the armrest frame assembly.

[0019] The back panel 9 is a stamping part or a molding part, and is a thin-walled part. The middle of the back panel 9 has a convex reinforcing rib 91, and the periphery of the back panel 9 has a flanging structure 92. The flanging structure 92 is used for the fixation of the face cover or other parts.

[0020] The material of the frame A is aluminum alloy or magnesium alloy.

Claims

1. A foldable lightweight car seat armrest frame, characterized by: The invention comprises a frame (A) and a back plate (9), wherein the frame (A) comprises an upper crossbeam (1), a lower crossbeam (2), a left vertical beam (3), a right vertical beam (4), an upper left connecting block (5), an upper right connecting block (6), a lower left connecting block (7), and a lower right connecting block (8); two ends of the upper crossbeam (1) are respectively fixedly connected to the upper left connecting block (5) and the upper right connecting block (6); two ends of the lower crossbeam (2) are respectively fixedly connected to the lower left connecting block (7) and the lower right connecting block (8); upper and lower ends of the left vertical beam (3) are respectively fixedly connected to the upper left connecting block (5) and the lower left connecting block (7); upper and lower ends of the right vertical beam (4) are respectively fixedly connected to the upper right connecting block (6) and the lower right connecting block (8); and the back plate (9) is fixedly connected to the back of the frame (A).

2. The foldable lightweight vehicle seat middle armrest frame according to claim 1, characterized in that: The fixed connection is welding, riveting or bonding.

3. The foldable lightweight vehicle seat middle armrest frame according to claim 1, characterized in that: The upper left connecting block (5) and the upper right connecting block (6) are cut and processed from profiles of the same cross section, the lower left connecting block (7) and the lower right connecting block (8) are cut and processed from profiles of the same cross section, the left vertical beam (3) and the right vertical beam (4) are cut and processed from profiles of the same cross section, and the upper cross beam (1) and the lower cross beam (2) are cut and processed from profiles of the same cross section.

4. The foldable lightweight vehicle seat middle armrest frame according to claim 1, characterized in that: The upper left connecting block (5) and the upper right connecting block (6) are bilaterally symmetrical parts, and both the upper left connecting block (5) and the upper right connecting block (6) have a square hole (51), and the square hole (51) is used for installing the headrest guide sleeve; the lower left connecting block (7) and the lower right connecting block (8) are bilaterally symmetrical parts, and both the lower left connecting block (7) and the lower right connecting block (8) have a rotating shaft hole (71).

5. The foldable lightweight vehicle seat middle armrest frame according to claim 1, characterized in that: The back plate (9) is a stamped part or a molded part, the middle of the back plate (9) has a raised reinforcing rib (91), and the periphery of the back plate (9) has a flange structure (92).

6. The foldable lightweight vehicle seat middle armrest frame according to claim 1, characterized in that: The material of the frame (A) is aluminum alloy or magnesium alloy.

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