High-strength automotive seat frame tube
Patent Information
- Application Number
- CN202521810036.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-25
- Publication Date
- 2026-09-11
- Estimated Expiration
- 2035-08-25
AI Technical Summary
[0011] This utility model, through the coordinated arrangement of a first support ring, a second support ring, a connecting rod, a first central reinforcing member, a second central reinforcing member, a support arm, and a pressure-resistant body, provides support and reinforcement to the seat cushion support tube, improves the structural strength and rigidity of the seat cushion support tube, enhances the load-bearing capacity of the seat cushion support tube, and makes the structural stability of the seat frame better, thus providing better support and protection for the seat and passengers.
Smart Images

Figure CN224739242U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of automotive seat frame tubing, specifically high-strength automotive seat frame tubing. Background Technology
[0002] The car seat frame is the basic structure of a car seat. It provides stable support for the seat, keeps it in shape, and prevents deformation. The seat frame is usually assembled by welding tubing and various stamped steel plates. The seat frame needs to withstand the weight of the human body and the impact force during a collision, providing stable support for the driver and passengers. In emergency braking or accidents, the seat frame needs to prevent the seat from deforming to ensure that the seat belt fits the body of the driver and passengers correctly. When the airbag deploys, it is precisely positioned according to the seat frame to improve the protection effect. Therefore, the structural strength of the seat frame tubing directly affects whether the seat frame can stably play its supporting and protective role. Utility Model Content
[0003] The technical problem to be solved by this utility model is to provide a high-strength automotive seat frame tube that addresses the above-mentioned defects, with high structural strength and good rigidity, enabling the seat frame to provide better support and protection.
[0004] A high-strength automotive seat frame tube includes a seat cushion support tube. Inside the seat cushion support tube, a plurality of first support rings and a plurality of second support rings are evenly arranged along its length. The first support rings and second support rings are arranged alternately and at intervals inside the seat cushion support tube. A connecting rod is provided between adjacent first support rings and second support rings. A first central reinforcement is provided at the center of the inner circle of the first support ring. A support arm connected to the inner wall of the first support ring is provided in a ring on the outer surface of the first central reinforcement. A second central reinforcement is provided at the center of the inner circle of the second support ring. A plurality of pressure-resistant bodies are provided in a ring between the outer surface of the second central reinforcement and the inner wall of the second support ring.
[0005] Furthermore, both the first and second central reinforcing members are circular structures. One end of the connecting rod is fixedly connected to the center of the side wall of the first central reinforcing member, and the other end is fixedly connected to the center of the side wall of the second central reinforcing member.
[0006] Furthermore, multiple support arms are arranged on the outer surface of the first central reinforcement member in equal circumferences, and an acute angle is formed between adjacent support arms.
[0007] Furthermore, an edge reinforcing rib is provided at the periphery of the outer surface of the support arm, and diagonal reinforcing ribs arranged in a cross pattern are provided on the support arm inside the edge reinforcing rib. The diagonal reinforcing ribs divide the outer surface of the support arm into multiple rectangular partition areas, and rigid round dots are provided inside the rectangular partition areas.
[0008] Furthermore, the compression-resistant body consists of two symmetrically arranged arc-shaped structures, with the two open ends of the compression-resistant body being fixedly connected to the outer surface of the second central reinforcement and the inner wall of the second support ring, respectively.
[0009] Furthermore, the outer surfaces of the first support ring and the second support ring are both provided with dovetail-shaped limiting blocks in a ring shape, and the inner wall of the seat support tube is provided with a dovetail-shaped limiting groove that matches the dovetail-shaped limiting blocks.
[0010] The beneficial effects of this utility model are:
[0011] This utility model, through the coordinated arrangement of a first support ring, a second support ring, a connecting rod, a first central reinforcing member, a second central reinforcing member, a support arm, and a pressure-resistant body, provides support and reinforcement to the seat cushion support tube, improves the structural strength and rigidity of the seat cushion support tube, enhances the load-bearing capacity of the seat cushion support tube, and makes the structural stability of the seat frame better, thus providing better support and protection for the seat and passengers. Attached Figure Description
[0012] The foregoing and other objects, features and advantages of this invention will become apparent from the following detailed description taken in conjunction with the accompanying drawings.
[0013] Figure 1 This is a side view of the structure of the first support ring and the seat support tube of this utility model.
[0014] Figure 2 This is a side view of the structure of the second support ring and the seat support tube of this utility model.
[0015] Figure 3 This is a partial cross-sectional view of the present invention from the front.
[0016] The components include: 1. Seat cushion support tube; 2. First support ring; 3. Second support ring; 4. Connecting rod; 5. First central reinforcement; 6. Support arm; 601. Edge reinforcement rib; 602. Diagonal reinforcement rib; 603. Rectangular dividing area; 604. Hard round dot; 7. Second central reinforcement; 8. Compression-resistant body; 9. Dovetail-shaped limiting block; 10. Dovetail-shaped limiting groove. Detailed Implementation
[0017] The present invention will be further described below with reference to the accompanying drawings.
[0018] Reference Figure 1-3As shown, a high-strength automotive seat frame tube includes a seat cushion support tube 1. The seat cushion support tube 1 is located inside the seat basin frame assembly within the seat frame and is horizontally welded to the seat basin frame. It supports the seat cushion and the occupants. Inside the seat cushion support tube 1, multiple first support rings 2 and multiple second support rings 3 are evenly arranged along its length. The first support rings 2 and second support rings 3 are alternately arranged inside the seat cushion support tube 1. The first support rings 2 and second support rings 3 effectively increase the wall thickness of the seat cushion support tube 1, increasing its structural strength and rigidity. When the upper surface of the cushion support tube 1 is subjected to pressure, the first support ring 2 and the second support ring 3 provide support and resistance to share the load and prevent deformation and damage to the cushion support tube 1. A connecting rod 4 is provided between adjacent first support ring 2 and second support ring 3. The connecting rod 4 improves the overall integrity between the first support ring 2 and second support ring 3. The force it receives can be transmitted and dispersed through the connecting rod to further disperse the external force, improve the load-bearing capacity of the cushion support tube 1, and make the structural stability of the seat frame better, so as to provide better support and protection for the seat and the driver and passengers.
[0019] A first central reinforcement 5 is provided at the inner center of the first support ring 2. A support arm 6 connected to the inner wall of the first support ring 2 is provided in a ring on the outer surface of the first central reinforcement 5. The first central reinforcement 5 and the support arm 6 increase the structural strength and rigidity of the first support ring 2. When the first support ring 2 is under force, the force is supported and resisted by the support arm 6, and the force is transmitted to the first central reinforcement 5 through the support arm 6 and distributed to other support arms 6 for further dispersion and resistance, preventing damage caused by excessive force in one part, and improving the reinforcement effect of the first support ring 2 on the seat support tube 1. A second central reinforcement 7 is provided at the inner center of the second support ring 3. Multiple pressure-resistant bodies 8 are provided in a ring between the outer surface of the second central reinforcement 7 and the inner wall of the second support ring 3. The pressure-resistant bodies 8 and the second central reinforcement 7 increase the structural strength and rigidity of the second support ring 3, and when the second support ring 3 is under force, the pressure-resistant bodies 8 provide support and resistance, preventing deformation and damage to the second support ring 3.
[0020] Both the first central reinforcement 5 and the second central reinforcement 7 are circular structures. One end of the connecting rod 4 is fixedly connected to the center of the side wall of the first central reinforcement 5, and the other end is fixedly connected to the center of the side wall of the second central reinforcement 7. When the first support ring 2 and the second support ring 3 are under force, the force is transmitted from the first support ring 2 and the second support ring 3 to the support arm 6 and the pressure-resistant body 8, and then to the first central reinforcement 5 and the second central reinforcement 7. The force is then dispersed to other support arms 6 and pressure-resistant bodies 8, and further dispersed through the connecting rod 4. This disperses the force on the seat cushion support tube 1 to various resistance supports, improves the load-bearing capacity of the seat cushion support tube, and makes the structural stability of the seat frame better, thus providing better support and protection for the seat and passengers.
[0021] Preferably, multiple support arms 6 are arranged on the outer surface of the first central reinforcement 5 in a circumferentially divided manner, and an acute angle is formed between adjacent support arms 6. The same angle makes the force more evenly distributed when the force is transmitted to other support arms 6.
[0022] Preferably, an edge reinforcing rib 601 is provided at the periphery of the outer surface of the support arm 6, and diagonal reinforcing ribs 602 arranged in a cross pattern are provided on the support arm 6 inside the edge reinforcing rib 601. The diagonal reinforcing ribs 602 divide the outer surface of the support arm 6 into multiple rectangular partition areas 603. Hardened round dots 604 are provided inside the rectangular partition areas 603. The outer surfaces of both ends of the support arm 6 are provided with edge reinforcing ribs 601, diagonal reinforcing ribs 602, and hardened round dots 604. The edge reinforcing ribs 601 increase the structural strength at the edge of the support arm 6, and the diagonal reinforcing ribs 602 and hardened round dots 604 increase the structural strength at the end face of the support arm 6. They work together to improve the structural strength and rigidity of the support arm 6, making its support performance for the first support ring 2 better and improving the structural stability of the first support ring 2.
[0023] Preferably, the compression-resistant body 8 is two symmetrically arranged arc-shaped structures. The two open ends of the compression-resistant body 8 are fixedly connected to the outer surface of the second central reinforcement 7 and the inner wall of the second support ring 3, respectively. Its arc-shaped structure can distribute the force more evenly when under stress, resulting in better structural stability and better support effect on the second support ring 3, thus improving its structural stability.
[0024] Preferably, the outer surfaces of the first support ring 2 and the second support ring 3 are each provided with a dovetail-shaped limiting block 9 in an annular shape. The inner wall of the seat support tube 1 is provided with a dovetail-shaped limiting groove 10 that matches the dovetail-shaped limiting block 9. The two ends of the dovetail-shaped limiting groove 10 are provided with openings to allow the dovetail-shaped limiting block 9 to enter the dovetail-shaped limiting groove 10. The dovetail-shaped limiting block 9 and the dovetail-shaped limiting groove 10 cooperate to form a limiting position inside the seat support tube 1. The first support ring 2 and the second support ring 3 are then fixedly connected by bolts or welding. The dovetail-shaped structure can effectively prevent the phenomenon of opening caused by thermal expansion and contraction, making the fit more firm and stable.
[0025] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications or equivalent changes made to the above embodiments based on the technical essence of the present utility model shall fall within the protection scope of the present utility model.
Claims
1. A high-strength automotive seat frame tube, comprising a seat cushion support tube (1), characterized in that: Inside the seat support tube (1), a plurality of first support rings (2) and a plurality of second support rings (3) are evenly arranged along its length. The first support rings (2) and the second support rings (3) are arranged alternately and at intervals inside the seat support tube (1). A connecting rod (4) is provided between adjacent first support rings (2) and second support rings (3). A first central reinforcement (5) is provided at the center of the inner circle of the first support ring (2). A support arm (6) connected to the inner wall of the first support ring (2) is provided in a ring on the outer surface of the first central reinforcement (5). A second central reinforcement (7) is provided at the center of the inner circle of the second support ring (3). A plurality of anti-compression bodies (8) are provided in a ring between the outer surface of the second central reinforcement (7) and the inner wall of the second support ring (3).
2. The high-strength automotive seat frame tubing according to claim 1, characterized in that: Both the first central reinforcement (5) and the second central reinforcement (7) are circular structures. One end of the connecting rod (4) is fixedly connected to the center of the side wall of the first central reinforcement (5), and the other end is fixedly connected to the center of the side wall of the second central reinforcement (7).
3. The high-strength automotive seat frame tubing according to claim 1, characterized in that: Multiple support arms (6) are arranged on the outer surface of the first central reinforcement (5) in a circumference, and an acute angle is formed between adjacent support arms (6).
4. The high-strength automotive seat frame tubing according to claim 1, characterized in that: An edge reinforcing rib (601) is provided at the periphery of the outer surface of the support arm (6). An oblique reinforcing rib (602) arranged in a cross pattern is provided on the support arm (6) inside the edge reinforcing rib (601). The oblique reinforcing rib (602) divides the outer surface of the support arm (6) into multiple rectangular partition areas (603). Hard round dots (604) are provided inside the rectangular partition areas (603).
5. The high-strength automotive seat frame tubing according to claim 1, characterized in that: The compression-resistant body (8) consists of two symmetrically arranged arc-shaped structures. The two open ends of the compression-resistant body (8) are fixedly connected to the outer surface of the second central reinforcement (7) and the inner wall of the second support ring (3), respectively.
6. The high-strength automotive seat frame tubing according to claim 1, characterized in that: The outer surfaces of the first support ring (2) and the second support ring (3) are both provided with dovetail-shaped limiting blocks (9) in an annular shape, and the inner wall of the cushion support tube (1) is provided with a dovetail-shaped limiting groove (10) that matches the dovetail-shaped limiting block (9).