Pipe frame type copilot seat lower frame welding assembly

Abstract

The utility model provides a pipe frame type copilot seat lower frame welding assembly which comprises a bearing positioning assembly, a left side supporting assembly, a right side supporting assembly, a front switching assembly, a rear switching assembly, an overhanging supporting assembly and a matched connection limiting assembly. According to the pipe frame type copilot seat lower frame welding assembly, a large-area integral lower supporting plate is replaced with a small-area bearing front seat plate and a small-area bearing rear seat plate, a waved plate stamping part of a complex structure in the lower supporting plate is omitted, and a left side supporting assembly is formed by combining a left side lower supporting frame and a left side upper supporting beam which are made of metal square pipes; the right side lower supporting frame and the right side upper supporting beam which are made of the metal square pipes are combined to form the right side supporting assembly, a right side supporting plate stamping part is replaced, the material cost can be greatly reduced, the die cost of the stamping part is saved, and a stable pipe frame type structure is formed; the weight from the seat and passengers can be effectively dispersed and borne, and the stability and safety of the whole structure are improved.

Description

Technical Field

[0001] The utility model relates to automobile accessories, in particular to a pipe-frame type passenger seat lower frame welding assembly. Background Art

[0002] The seat lower frame welding assembly is an important component of the commercial vehicle seat structure. As a structural part directly connected to the vehicle body, it is also the main structure to ensure the safety of the driver. Common seat lower frame welding assembly structures are as follows: Figure 1 As shown, the left and right support plates have a complex structure, and the lower support plate is reinforced with corrugated plates. These corrugated plates are stamped parts and therefore expensive to manufacture. With the rapid development of the industry, lightweight and low-cost products are becoming the mainstream development trend for this type of seat lower frame welded assembly, while maintaining basic strength requirements. Therefore, it is necessary to optimize the structure of the existing seat lower frame welded assembly. Utility Model Content

[0003] The utility model aims to provide a pipe-frame type passenger seat lower frame welding assembly.

[0004] The technical solution adopted by the present invention to solve its technical problems is:

[0005] A tubular frame type passenger seat lower frame welding assembly, comprising:

[0006] The load-bearing positioning assembly is made of a plate, has a load-bearing space inside, and is connected to the vehicle body through a connector;

[0007] The left support assembly is made of pipe fittings and is installed on the left side of the load-bearing positioning assembly;

[0008] The right support assembly is made of pipe fittings and is installed on the right side of the load-bearing positioning assembly;

[0009] The front adapter assembly is made of pipe fittings and is located between the left support assembly and the right support assembly, and is welded and fixed to the front of the left support assembly and the right support assembly;

[0010] The rear adapter assembly is made of pipe fittings and is located between the left support assembly and the right support assembly, and is welded and fixed to the rear of the left support assembly and the right support assembly;

[0011] The overhanging support assembly is made of pipe fittings, which is installed on the rear adapter assembly and overhangs to the outside of the left support assembly and the right support assembly;

[0012] The matching and limiting assembly is installed on the overhanging support assembly and is connected to the seat base through a connecting piece.

[0013] Specifically, the load-bearing positioning component includes:

[0014] A pair of load-bearing front seat plates are provided, each of which is stamped from a metal sheet and connected to the vehicle body via connecting bolts;

[0015] A pair of load-bearing rear seat plates are provided, which are formed by stamping metal plates. Each load-bearing rear seat plate is located behind the load-bearing front seat plate and is connected to the vehicle body through connecting bolts.

[0016] By replacing the large-area integral lower support plate with a small-area load-bearing front seat plate and a load-bearing rear seat plate, and eliminating the complex structure of the corrugated plate stamping parts in the lower support plate, the material cost can be greatly reduced and the mold cost of the corrugated plate stamping parts can be saved.

[0017] The left support assembly includes:

[0018] The left lower support frame is formed by bending a metal square tube, the bottom of which is welded and fixed to the load-bearing front seat plate and the load-bearing rear seat plate on the left side, and the two ends of which are bent upwards;

[0019] The left upper supporting beam is made of a metal square tube, and its two ends are respectively welded and fixed to the two ends of the left lower supporting frame.

[0020] The left side support assembly is formed by combining the left side lower support frame and the left side upper support beam made of metal square tubes, replacing the left side support plate stamping part, which can greatly reduce material costs and save mold costs for the left side stamping part.

[0021] The right support assembly includes:

[0022] The right lower support frame is formed by bending a metal square tube, the bottom of which is welded and fixed to the front and rear load-bearing seat plates on the right side, and the two ends of which are bent upwards;

[0023] The right upper supporting beam is made of a metal square tube, and its two ends are respectively welded and fixed to the two ends of the right lower supporting frame.

[0024] The right side support assembly is formed by combining the right side lower support frame and the right side upper support beam made of metal square tube, replacing the right side support plate stamping part, which can greatly reduce material costs and save mold costs for the right side support plate stamping part.

[0025] The front adapter assembly includes:

[0026] The front lower transfer beam is made of metal square tube and is located above the front seat plate. One end of the front lower transfer beam is welded to the side wall of the left lower support frame, and the other end is welded to the side wall of the right lower support frame.

[0027] The front upper transfer beam is made of a metal square tube, one end of which is welded and fixed to the left lower support frame and the front end of the left upper cross beam, and the other end is welded and fixed to the right lower support frame and the front end of the right upper cross beam.

[0028] The rear adapter assembly includes:

[0029] The rear lower transfer beam is made of metal square tube and is located above the rear seat plate. One end of the rear lower transfer beam is welded to the side wall of the left lower support frame, and the other end is welded to the side wall of the right lower support frame.

[0030] The rear upper transfer beam is made of a metal square tube, one end of which is welded and fixed to the left lower support frame and the rear end of the left upper cross beam, and the other end is welded and fixed to the right lower support frame and the rear end of the right upper cross beam.

[0031] The front transfer assembly is formed by combining the front lower transfer beam and the front upper transfer beam, and the rear transfer assembly is formed by combining the rear lower transfer beam and the rear upper transfer beam. The left support assembly and the right support assembly are connected to form a stable pipe-frame structure to ensure structural stability.

[0032] The overhang support assembly includes:

[0033] The overhang frame is formed by enclosing and welding metal square tubes. The bottom of the overhang frame is welded and fixed to the rear lower transfer beam, and the top of the overhang frame is welded and fixed to the rear upper transfer beam, and overhangs to the outside of the rear upper transfer beam.

[0034] The matching limit components include:

[0035] A matching left support plate is formed by stamping a metal plate, is welded and fixed to the left end of the overhang frame, and extends above the overhang frame;

[0036] The matching right support plate is stamped from a metal sheet, welded and fixed to the right end of the overhang frame, and extends above the overhang frame. The seat base can be connected to the matching left support plate and the matching right support plate by connecting bolts.

[0037] The advantages of the present invention are:

[0038] The tube-frame type passenger seat lower frame welding assembly replaces the large-area integral lower support plate with a small-area load-bearing front seat plate and a load-bearing rear seat plate, and eliminates the complex structural corrugated plate stamping in the lower support plate. The left side support assembly is formed by combining the left side lower support frame and the left side upper support beam made of metal square tube, replacing the left side support plate stamping. The right side support assembly is formed by combining the right side lower support frame and the right side upper support beam made of metal square tube, replacing the right side support plate stamping, which can greatly reduce material costs and save mold costs for stamping parts. The left side support assembly, the right side support assembly, the front transfer assembly and the rear transfer assembly are welded and connected by the front lower transfer beam, the front upper transfer beam, the rear lower transfer beam and the rear upper transfer beam made of metal square tubes to form a stable tube-frame structure, which can effectively disperse and bear the weight from the seats and passengers, and improve the stability and safety of the overall structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 It is a structural diagram of the existing seat lower frame welding assembly;

[0040] Figure 2 This is a schematic diagram of the top structure of the tube-frame type passenger seat lower frame welding assembly proposed by the present invention;

[0041] Figure 3 The utility model is a schematic diagram of the bottom structure of the tube frame type passenger seat lower frame welding assembly. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for protection, but merely represents selected embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0043] like Figure 2 、 Figure 3As shown, the tube-frame type passenger seat lower frame welding assembly proposed by the present invention includes a load-bearing positioning component, a left support component, a right support component, a front adapter component, a rear adapter component, an overhanging support component and a matching limit component. The load-bearing positioning component is made of a plate, has a load-bearing space inside, and is connected to the vehicle body through a connecting piece. The left support component is made of a pipe fitting and is installed on the left side of the load-bearing positioning component. The right support component is made of a pipe fitting and is installed on the right side of the load-bearing positioning component. The front adapter assembly is made of a pipe fitting, which is located between the left support component and the right support component, and is welded and fixed to the front of the left support component and the right support component. The rear adapter assembly is made of a pipe fitting, which is located between the left support component and the right support component, and is welded and fixed to the rear of the left support component and the right support component. The overhanging support component is made of a pipe fitting, which is installed on the rear adapter assembly and overhangs to the outside of the left support component and the right support component. The matching limit component is installed on the overhanging support component and is connected to the seat base through a connecting piece.

[0044] In this embodiment, the load-bearing positioning assembly includes a load-bearing front seat plate 110 and a load-bearing rear seat plate 120. A pair of load-bearing front seat plates are provided, each of which is stamped from a metal sheet and connected to the vehicle body by connecting bolts. A pair of load-bearing rear seat plates are provided, which are stamped from a metal sheet, each of which is located behind the load-bearing front seat plate and connected to the vehicle body by connecting bolts.

[0045] The left side support assembly includes a left side lower support frame 210 and a left side upper support beam 220. The left side lower support frame is formed by bending a metal square tube. Its bottom is welded and fixed to the load-bearing front seat plate and the load-bearing rear seat plate located on the left side. Its two ends are bent upward respectively. The left side upper support beam is made of a metal square tube, and its two ends are welded and fixed to the two ends of the left side lower support frame respectively.

[0046] The right side support assembly includes a right side lower support frame 310 and a right side upper support beam 320. The right side lower support frame is formed by bending a metal square tube. Its bottom is welded and fixed to the load-bearing front seat plate and the load-bearing rear seat plate located on the right side. Its two ends are bent upward respectively. The right side upper support beam is made of a metal square tube, and its two ends are welded and fixed to the two ends of the right side lower support frame respectively.

[0047] The front transfer assembly includes a front lower transfer beam 410 and a front upper transfer beam 420. The front lower transfer beam is made of a metal square tube and is located above the supporting front seat plate. One end of it is welded and fixed to the side wall of the left lower support frame, and the other end is welded and fixed to the side wall of the right lower support frame. The front upper transfer beam is made of a metal square tube. One end of it is welded and fixed to the left lower support frame and the front end of the left upper cross beam, and the other end is welded and fixed to the right lower support frame and the front end of the right upper cross beam.

[0048] The rear transfer assembly includes a rear lower transfer beam 510 and a rear upper transfer beam 520. The rear lower transfer beam is made of a metal square tube and is located above the supporting rear seat plate. One end of the rear lower support frame is welded and fixed to the side wall of the left lower support frame, and the other end is welded and fixed to the side wall of the right lower support frame. The rear upper transfer beam is made of a metal square tube. One end of the rear lower support frame is welded and fixed to the rear end of the left lower support frame and the left upper cross beam, and the other end is welded and fixed to the rear end of the right lower support frame and the right upper cross beam.

[0049] The overhang support assembly includes an overhang frame 600, which is formed by enclosing and welding metal square tubes. Its bottom is welded and fixed to the rear lower transfer beam, and its top is welded and fixed to the rear upper transfer beam, and overhangs to the outside of the rear upper transfer beam.

[0050] The matching limit assembly includes a matching left support plate 710 and a matching right support plate 720. The matching left support plate is stamped from a metal sheet, welded and fixed to the left end of the suspension frame, and extends above the suspension frame. The matching right support plate is stamped from a metal sheet, welded and fixed to the right end of the suspension frame, and extends above the suspension frame. The seat base can be connected to the matching left support plate and the matching right support plate through connecting bolts.

[0051] In the description of the present utility model, it should be noted that when terms such as "upper", "lower", "inner", "outer", "left", and "right" indicate an orientation or positional relationship, they should be understood as being based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model. In addition, when terms such as "first" and "second" appear, they are only used to distinguish the description 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", and "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, an indirect connection through an intermediate medium, or it can be a communication between the internal parts of two elements. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

Claims

1. A tube frame type passenger seat lower frame welding assembly, characterized in that: include: The load-bearing positioning assembly is made of a plate, has a load-bearing space inside, and is connected to the vehicle body through a connector; The left support assembly is made of pipe fittings and is installed on the left side of the load-bearing positioning assembly; The right support assembly is made of pipe fittings and is installed on the right side of the load-bearing positioning assembly; The front adapter assembly is made of pipe fittings and is located between the left support assembly and the right support assembly, and is welded and fixed to the front of the left support assembly and the right support assembly; The rear adapter assembly is made of pipe fittings and is located between the left support assembly and the right support assembly, and is welded and fixed to the rear of the left support assembly and the right support assembly; The overhanging support assembly is made of pipe fittings, which is installed on the rear adapter assembly and overhangs to the outside of the left support assembly and the right support assembly; The matching and limiting assembly is installed on the overhanging support assembly and is connected to the seat base through a connecting piece.

2. The tube-frame type passenger seat lower frame welding assembly according to claim 1, characterized in that: The load-bearing positioning components include: A pair of load-bearing front seat plates are provided, each of which is stamped from a metal sheet and connected to the vehicle body via connecting bolts; A pair of load-bearing rear seat plates are provided, which are formed by stamping metal plates. Each load-bearing rear seat plate is located behind the load-bearing front seat plate and is connected to the vehicle body through connecting bolts.

3. The tube frame type passenger seat lower frame welding assembly according to claim 2, characterized in that: The left support assembly includes: The left lower support frame is formed by bending a metal square tube, the bottom of which is welded and fixed to the load-bearing front seat plate and the load-bearing rear seat plate on the left side, and the two ends of which are bent upwards; The left upper supporting beam is made of a metal square tube, and its two ends are respectively welded and fixed to the two ends of the left lower supporting frame.

4. The tube-frame type passenger seat lower frame welding assembly according to claim 3, characterized in that: The right support assembly includes: The right lower support frame is formed by bending a metal square tube, the bottom of which is welded and fixed to the front and rear load-bearing seat plates on the right side, and the two ends of which are bent upwards; The right upper supporting beam is made of a metal square tube, and its two ends are respectively welded and fixed to the two ends of the right lower supporting frame.

5. The tube frame type passenger seat lower frame welding assembly according to claim 4, characterized in that: The front adapter assembly includes: The front lower transfer beam is made of metal square tube and is located above the front seat plate. One end of the front lower transfer beam is welded to the side wall of the left lower support frame, and the other end is welded to the side wall of the right lower support frame. The front upper transfer beam is made of a metal square tube, one end of which is welded and fixed to the left lower support frame and the front end of the left upper cross beam, and the other end is welded and fixed to the right lower support frame and the front end of the right upper cross beam.

6. The tube frame type passenger seat lower frame welding assembly according to claim 4, characterized in that: The rear adapter assembly includes: The rear lower transfer beam is made of metal square tube and is located above the rear seat plate. One end of the rear lower transfer beam is welded to the side wall of the left lower support frame, and the other end is welded to the side wall of the right lower support frame. The rear upper transfer beam is made of a metal square tube, one end of which is welded and fixed to the left lower support frame and the rear end of the left upper cross beam, and the other end is welded and fixed to the right lower support frame and the rear end of the right upper cross beam.

7. The tube-frame type passenger seat lower frame welding assembly according to claim 6, characterized in that: The overhang support assembly includes: The overhang frame is formed by enclosing and welding metal square tubes. The bottom of the overhang frame is welded and fixed to the rear lower transfer beam, and the top of the overhang frame is welded and fixed to the rear upper transfer beam, and overhangs to the outside of the rear upper transfer beam.

8. The tube-frame type passenger seat lower frame welding assembly according to claim 7, characterized in that: The matching limit components include: A matching left support plate is formed by stamping a metal plate, is welded and fixed to the left end of the overhang frame, and extends above the overhang frame; The matching right support plate is formed by stamping a metal plate, is welded and fixed to the right end of the overhang frame, and extends above the overhang frame.

Images