Backrest framework welding assembly, seat and vehicle

Abstract

The utility model provides a backrest skeleton welding assembly, seat and vehicle, the backrest skeleton welding assembly comprises a skeleton outer frame and a core part assembly, the core part assembly is installed in the skeleton outer frame, the core part assembly is supported by the skeleton outer frame, the skeleton outer frame is formed by bending and enclosing pipe fittings, and the core part assembly is installed in the skeleton outer frame. A headrest supporting structure, a shoulder supporting structure and a safety belt supporting structure are formed on the edge of the backrest framework, the core component is formed by combining straight pipes, ribs and sheets and is connected with the framework outer frame, the backrest main body is supported by the core component and the framework outer frame, and the backrest framework is relatively simple and convenient in manufacturing process and low in production cost. By means of the firm framework structure and the reasonable supporting design, vibration and impact force generated by bumping or collision in the vehicle running process can be effectively reduced, and the overall safety of a driver and passengers is improved.

Description

Technical Field

[0001] The utility model relates to auto parts, in particular to a welded assembly of a backrest frame, a seat and a vehicle. Background Art

[0002] The welded assembly of the backrest frame is an important part of the vehicle seat structure. The backrest frame is a structural part used to support the torso of the driver and passengers, and is also the main structure to ensure the safety of the driver and passengers. As Figure 1 shown, the commonly used welded assembly of the backrest frame is provided with shoulder support wires at the shoulders, headrest support wires at the head, a seat belt support plate at the seat belt part, and a serpentine spring at the core part. Its structure is relatively complex and the processing cost is relatively high. Therefore, it is necessary to optimize its structure to overcome the above defects. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a welded assembly of a backrest frame, a seat and a vehicle to simplify the structure and reduce the cost.

[0004] The technical solution adopted by the utility model to solve its technical problems is as follows:

[0005] A welded assembly of a backrest frame includes a frame outer frame and a core component. The core component is installed in the frame outer frame, and the frame outer frame supports the core component. Among them:

[0006] The frame outer frame is formed by bending and enclosing pipe fittings, and a headrest support structure, a shoulder support structure and a seat belt support structure are formed at its edge;

[0007] The core component is formed by combining straight pipe fittings, ribs and plates. It is joined with the frame outer frame, and the core component and the frame outer frame support the backrest main body.

[0008] In an embodiment of the utility model, the frame outer frame is a closed long frame structure, and its length direction extends along the height direction of the driver and passengers.

[0009] In an embodiment of the utility model, the headrest support structure includes a top outward convex section, which is formed at the top of the length direction of the frame outer frame and protrudes outward from the length direction of the frame outer frame. The headrest cushion of the backrest main body can be installed on the top outward convex section.

[0010] In an embodiment of the utility model, the top outward convex section forms an isosceles trapezoid shape.

[0011] In an embodiment of the utility model, the shoulder support structure includes a pair of side outward convex sections. Each side outward convex section is formed in the width direction of the frame outer frame and is close to the top of its length direction. The shoulder cushion of the backrest main body can be installed on the side outward convex section.

[0012] In an embodiment of the present utility model, the laterally outwardly convex section forms a triangular shape.

[0013] In an embodiment of the present utility model, the seat belt support structure includes a support end tube, which is installed in the outer frame of the skeleton and is located in the laterally outwardly convex section. It penetrates the laterally outwardly convex section in the radial direction, and the mounting belt can pass through the support end tube.

[0014] In an embodiment of the present utility model, the core component includes:

[0015] A core support cross tube, which extends along the width direction of the outer frame of the skeleton, and both ends thereof are respectively joined to the outer frame of the skeleton;

[0016] Core support vertical bars, at least a pair of which are provided. Each core support vertical bar extends along the length direction of the outer frame of the skeleton, one end thereof is joined to the support cross tube, and the other end is joined to the bottom of the outer frame of the skeleton;

[0017] Core support cross pieces, a pair of which are provided. Each core support cross piece is located below the core support cross tube and extends along the width direction of the outer frame of the skeleton. The middle part thereof is staggered with the core support vertical bars, and both ends thereof are respectively joined to the side parts of the outer frame of the skeleton.

[0018] In an embodiment of the present utility model, the welded assembly of the backrest skeleton further includes:

[0019] Upper connecting plates, a pair of which are provided. Each upper connecting plate is respectively installed at both ends of the bottom of the outer frame of the skeleton and extends downward below the outer frame of the skeleton;

[0020] Lower connecting plates, a pair of which are provided. Each lower connecting plate is respectively located below the upper connecting plate and is installed in the vehicle body through a connecting member. It is joined to the upper connecting plate through an angle adjuster, so that the upper connecting plate and the outer frame of the skeleton can adjust the angle on the lower connecting plate.

[0021] In an embodiment of the present utility model, the welded assembly of the backrest skeleton further includes:

[0022] Support side frames, a pair of which are provided. Each support side frame is respectively formed by bending a rib, and it extends along the length direction of the outer frame of the skeleton and is respectively installed at both ends in the width direction of the outer frame of the skeleton. The lumbar cushion of the backrest main body can be installed on the support side frame.

[0023] A seat includes the above-mentioned welded assembly of the backrest skeleton.

[0024] A vehicle includes the above-mentioned seat.

[0025] The advantages of the present utility model are:

[0026] The frame outer frame of the backrest frame welding assembly is formed by bending and enclosing pipe fittings, providing a solid support foundation for the backrest. The core component is tightly combined with the frame outer frame through the combination of straight pipe fittings, ribs and plates, further enhancing the strength and stability of the entire backrest frame, and being able to withstand the weight of the driver and passengers and the forces under various usage conditions. The design of the top outward convex section enables the headrest cushion block to be stably installed, providing comfortable head support. The side outward convex section provides a good installation position for the shoulder cushion block, ensuring the support of the shoulder area and improving the riding comfort. The design of the support end pipe allows the seat belt to pass through smoothly, not only ensuring the normal function of the seat belt, but also improving the riding safety. It mainly adopts the welding combination of pipe fittings and plates. The manufacturing process of this backrest frame is relatively simple, with low production cost. The strong frame structure and reasonable support design can effectively reduce the vibration and impact force generated during vehicle driving due to bumps or collisions, and improve the overall safety of the driver and passengers. Description of the Drawings

[0027] Figure 1 is a structural schematic diagram of the existing backrest frame welding assembly;

[0028] Figure 2 is one of the structural schematic diagrams of the backrest frame welding assembly proposed by the present utility model;

[0029] Figure 3 is the second structural schematic diagram of the backrest frame welding assembly. Detailed Embodiments

[0030] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and illustrated herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the present utility model to be protected, but merely represents the selected embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0031] Such as Figure 2 、 Figure 3As shown in the figure, the welded assembly of the backrest frame proposed by the utility model includes a frame outer frame 100 and a core component 200. The core component is installed in the frame outer frame, and the frame outer frame supports the core component. Among them, the frame outer frame is formed by bending and enclosing pipe fittings, and a headrest support structure, a shoulder support structure, and a seat belt support structure are formed at its edge. The core component is formed by combining straight pipe fittings, ribs, and plates, and it is joined with the frame outer frame. The backrest main body is supported by the core component and the frame outer frame.

[0032] In this embodiment, the frame outer frame is a closed long frame structure, and its length direction extends along the height direction of the driver and passenger.

[0033] In this embodiment, the headrest support structure includes a top outward convex section 110. The top outward convex section is formed at the top in the length direction of the frame outer frame, and it protrudes outward in the length direction of the frame outer frame. The headrest cushion block of the backrest main body can be installed on the top outward convex section.

[0034] In this embodiment, the top outward convex section forms an isosceles trapezoid shape.

[0035] In this embodiment, the shoulder support structure includes a pair of side outward convex sections 120. Each side outward convex section is formed in the width direction of the frame outer frame and is close to the top in its length direction. The shoulder cushion block of the backrest main body can be installed on the side outward convex section.

[0036] In this embodiment, the side outward convex section forms a triangular shape.

[0037] In this embodiment, the seat belt support structure includes a support end pipe 130. The support end pipe is installed in the frame outer frame and is located at the side outward convex section. It penetrates the side outward convex section in the radial direction, and the installation belt can pass through the support end pipe.

[0038] In this embodiment, the core component includes a core support horizontal pipe 210, core support vertical bars 220, and a core support horizontal plate 230. The core support horizontal pipe extends along the width direction of the frame outer frame, and its two ends are respectively joined with the frame outer frame. There are at least a pair of core support vertical bars. Each core support vertical bar extends along the length direction of the frame outer frame. One end of it is joined with the support horizontal pipe, and the other end is joined with the bottom of the frame outer frame. The core support horizontal plate is located below the core support horizontal pipe and extends along the width direction of the frame outer frame. The middle part of it is staggered with the core support vertical bars, and its two ends are respectively joined with the side parts of the frame outer frame.

[0039] In this embodiment, the welded assembly of the backrest frame further includes an upper connecting plate 300 and a lower connecting plate 400. There are a pair of upper connecting plates, and each upper connecting plate is respectively installed at both ends of the bottom of the frame outer frame and extends downward from the frame outer frame. There are a pair of lower connecting plates, and each lower connecting plate is respectively located below the upper connecting plate and is installed in the vehicle body through a connecting member. It is joined with the upper connecting plate through an angle adjuster 500, so that the upper connecting plate and the frame outer frame can adjust the angle on the lower connecting plate.

[0040] In this embodiment, the welded assembly of the backrest frame further includes a pair of support side frames 600. Each support side frame is respectively formed by bending a rib. It extends along the length direction of the frame outer frame and is respectively installed at both ends in the width direction of the frame outer frame. The lumbar cushion of the backrest body can be installed on the support side frame.

[0041] The seat proposed by the present utility model includes the above-mentioned welded assembly of the backrest frame.

[0042] The vehicle proposed by the present utility model includes the above-mentioned seat.

[0043] In the description of the present utility model, it should be noted that when terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", "left", "right" appear, it should be understood as the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present utility model is usually placed during use, or the orientation or positional relationship commonly understood by those skilled in the art. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation to the present utility model. In addition, when terms such as "first" and "second" appear, they are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that unless otherwise clearly specified and limited, terms such as "installation", "setting", "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

Claims

1. A welded assembly of a backrest frame, comprising a frame outer frame and a core component. The core component is installed in the frame outer frame and is supported by the frame outer frame. It is characterized in that: The frame outer frame is formed by bending and enclosing pipe fittings, and a headrest support structure, a shoulder support structure, and a seat belt support structure are formed at its edges; The core component is formed by combining straight pipe fittings, ribs, and plates. It is joined to the frame outer frame, and the backrest main body is supported by the core component and the frame outer frame.

2. The welded assembly of a backrest frame according to claim 1, characterized in that: The frame outer frame is a closed long frame structure, and its length direction extends along the height direction of the driver and passenger.

3. The welded assembly of a backrest frame according to claim 1, characterized in that: The headrest support structure includes a top outward convex section, which is formed at the top in the length direction of the frame outer frame and protrudes outward in the length direction of the frame outer frame. The headrest pad of the backrest main body can be installed on the top outward convex section.

4. The welded assembly of a backrest frame according to claim 1, characterized in that: The shoulder support structure includes a pair of side outward convex sections. Each side outward convex section is formed in the width direction of the frame outer frame and is close to the top in its length direction. The shoulder pads of the backrest main body can be installed on the side outward convex sections.

5. The welded assembly of a backrest frame according to claim 1 or 4, characterized in that: The seat belt support structure includes a support end pipe, which is installed in the frame outer frame and is located at the side outward convex section. It penetrates the side outward convex section in the radial direction, and the installation belt can pass through the support end pipe.

6. The welded assembly of a backrest frame according to claim 1, characterized in that, The core component includes: A core support cross pipe, which extends along the width direction of the frame outer frame, and its two ends are respectively joined to the frame outer frame; Core support vertical bars, of which there are at least a pair. Each core support vertical bar extends along the length direction of the frame outer frame. One end of it is joined to the support cross pipe, and the other end is joined to the bottom of the frame outer frame; Core support cross plates, of which there are a pair. Each core support cross plate is located below the core support cross pipe and extends along the width direction of the frame outer frame. The middle part of it is staggered with the core support vertical bars, and its two ends are respectively joined to the side parts of the frame outer frame.

7. The welded assembly of a backrest frame according to claim 1, characterized in that, It further includes: Upper connecting plates, of which there are a pair. Each upper connecting plate is installed at both ends of the bottom of the frame outer frame and extends downward from the frame outer frame; Lower connecting plates, of which there are a pair. Each lower connecting plate is located below the upper connecting plate and is installed in the vehicle body through connectors. It is joined to the upper connecting plate through an angle adjuster.

8. A backrest frame welding assembly according to claim 1, characterized in that, It further includes: Support side frames, of which there are a pair. Each support side frame is formed by bending ribs. It extends along the length direction of the frame outer frame and is respectively installed at both ends in the width direction of the frame outer frame. The waist pads of the backrest main body can be installed on the support side frames.

9. A seat, characterized in that, Including the welded assembly of a backrest frame according to any one of claims 1 to 8.

10. A vehicle, characterized in that, Including the seat according to claim 9.

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