Framework structure of automobile seat backrest

Abstract

The utility model relates to the technical field of seat backrests, in particular to an automobile seat backrest framework structure which comprises a back frame, two installation mechanisms and two limiting mechanisms, each installation mechanism comprises an installation frame, a connecting rod piece, a reset spring and a connecting disc, and the back frame provides installation conditions for the two installation mechanisms and the two limiting mechanisms. The mounting frame provides mounting conditions for the connecting rod piece, when the back frame needs to be mounted, the connecting rod piece is inserted into the U-shaped clamping base on the vehicle body, the connecting disc is connected with the U-shaped clamping base on the vehicle body in a clamping mode, then the back frame can be mounted, on the contrary, the back frame can be dismounted, limiting on the back frame is relieved through the two limiting mechanisms, and the back frame can be mounted conveniently. The back frame can be rotated along the two connecting rod pieces, so that the problem that the disassembly and assembly efficiency of an existing seat backrest is relatively low is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of seat backs, in particular to a frame structure of a car seat back. Background Art

[0002] With the continuous upgrading of automobile products, automobile seat products are also constantly upgrading. Seats belong to the category of safety parts in automobile parts. The fixing strength of the car seat back directly affects the safety of the occupants when the vehicle collides or brakes suddenly. In addition, the rear seat with a middle three-point seat belt is also required by regulations. The layout of the seat belt has high requirements on the strength of the seat frame.

[0003] Currently, existing seat backs require complex mounting structures for installation and unlocking, which results in reduced efficiency in the installation and removal of the seat backs. Utility Model Content

[0004] The utility model aims to provide a car seat back frame structure, aiming to solve the problem of low efficiency in disassembly and assembly of the existing seat back.

[0005] To achieve the above-mentioned purpose, the utility model provides a car seat back frame structure, including a back frame, two mounting mechanisms and two limiting mechanisms, wherein the mounting mechanism includes a mounting frame, a connecting rod, a return spring and a connecting plate;

[0006] The two mounting mechanisms are symmetrically arranged at the two ends of the back frame, the two limiting mechanisms are respectively arranged on the back frame, the mounting frame is fixedly connected to the back frame and is located on one side of the back frame, the connecting rod is fixedly connected to the mounting frame and is located on one side of the mounting frame, the reset spring is fixedly connected to the connecting rod and is located on the connecting rod, and the connecting disk is sleeved on the connecting rod and fixedly connected to the reset spring.

[0007] Wherein, the limiting mechanism includes a mounting plate, a hook, a torsion spring and a pulling assembly, the mounting plate is fixedly connected to the back frame and is located on the back frame, the hook is rotatably connected to the mounting plate and is located on one side of the mounting plate, the torsion spring is fixedly connected to the mounting plate and fixedly connected to the hook, and the pulling assembly is connected to the hook and to the mounting frame.

[0008] Wherein, the pulling assembly includes a pull head and a cable, the cable is fixedly connected to the mounting frame and to the hook, and the pull head is fixedly connected to the cable and is located on one side of the cable.

[0009] Wherein, the automobile seat back frame structure further includes a cushion, and the cushion is fixedly connected to the back frame and is located on the back frame.

[0010] Wherein, the automobile seat back frame structure further comprises a plurality of reinforcing ribs, and the plurality of reinforcing ribs are respectively fixedly connected to the back frame and respectively fixedly connected to the cushion.

[0011] The utility model discloses a car seat back frame structure, comprising a back frame, two mounting mechanisms and two limiting mechanisms, wherein the mounting mechanism comprises a mounting frame, a connecting rod, a reset spring and a connecting plate; the two mounting mechanisms are symmetrically arranged at the two ends of the back frame, the two limiting mechanisms are respectively arranged on the back frame, the mounting frame is fixedly connected to the back frame and is located on one side of the back frame, the connecting rod is fixedly connected to the mounting frame and is located on one side of the mounting frame, the reset spring is fixedly connected to the connecting rod and is located on the connecting rod, and the connecting plate is sleeved on the connecting rod and fixedly connected to the reset spring. The back frame provides installation conditions for the two installation mechanisms and the two limiting mechanisms, and the installation frame provides installation conditions for the connecting rod. When the back frame needs to be installed, the connecting rod is inserted into the U-shaped socket on the vehicle body, and the connecting plate is engaged with the U-shaped socket on the vehicle body to complete the installation of the back frame. Otherwise, the back frame can be disassembled. The limitation of the back frame is released by the two limiting mechanisms, and the back frame can be rotated along the two connecting rods, thereby solving the problem of low efficiency in disassembly and assembly of the existing seat backrest. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 The utility model is a structural schematic diagram of a frame structure of a car seat backrest.

[0014] Figure 2 The utility model is a structural schematic diagram of a car seat back frame structure without a cushion.

[0015] Figure 3 It is a structural diagram of the limiting mechanism.

[0016] In the figure: 1-back frame, 2-mounting mechanism, 3-limiting mechanism, 4-mounting frame, 5-connecting rod, 6-reset spring, 7-connecting plate, 8-mounting plate, 9-hook, 10-torsion spring, 11-pulling assembly, 12-pulling head, 13-pull cable, 14-cushion, 15-reinforcement rib. DETAILED DESCRIPTION

[0017] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0018] See also Figure 1-Figure 3 The utility model provides a car seat back frame structure, including a back frame 1, two mounting mechanisms 2 and two limiting mechanisms 3, wherein the mounting mechanism 2 includes a mounting frame 4, a connecting rod 5, a return spring 6 and a connecting plate 7;

[0019] The two mounting mechanisms 2 are symmetrically arranged at the two ends of the back frame 1, the two limiting mechanisms 3 are respectively arranged on the back frame 1, the mounting frame 4 is fixedly connected to the back frame 1 and is located on one side of the back frame 1, the connecting rod 5 is fixedly connected to the mounting frame 4 and is located on one side of the mounting frame 4, the reset spring 6 is fixedly connected to the connecting rod 5 and is located on the connecting rod 5, and the connecting plate 7 is sleeved on the connecting rod 5 and fixedly connected to the reset spring 6.

[0020] In this embodiment, the back frame 1 provides installation conditions for the two installation mechanisms 2 and the two limiting mechanisms 3, and the installation frame 4 provides installation conditions for the connecting rod 5. When the back frame 1 needs to be installed, the connecting rod 5 is inserted into the U-shaped socket on the vehicle body, and the connecting plate 7 is engaged with the U-shaped socket on the vehicle body (not shown in the figure), and the installation of the back frame 1 can be completed. Otherwise, the back frame 1 can be disassembled, and the limitation of the back frame 1 is released by the two limiting mechanisms 3, and the back frame 1 can be rotated along the two connecting rods 5, thereby solving the problem of low efficiency in disassembly and assembly of the existing seat back.

[0021] Furthermore, the limiting mechanism 3 includes a mounting plate 8, a hook 9, a torsion spring 10 and a pulling assembly 11, the mounting plate 8 is fixedly connected to the back frame 1 and is located on the back frame 1, the hook 9 is rotatably connected to the mounting plate 8 and is located on one side of the mounting plate 8, the torsion spring 10 is fixedly connected to the mounting plate 8 and fixedly connected to the hook 9, and the pulling assembly 11 is connected to the hook 9 and connected to the mounting frame 4.

[0022] In this embodiment, the mounting plate 8 provides installation conditions for the hook 9 and the torsion spring 10. Pulling the pulling assembly 11 can drive the hook 9 to rotate. When the hook 9 rotates to a preset angle, the limitation on the back frame 1 can be released, and the hook 9 can be reset by the rebound force of the torsion spring 10.

[0023] Furthermore, the pulling assembly 11 includes a pull head 12 and a cable 13 , the cable 13 is fixedly connected to the mounting frame 4 and to the hook 9 , and the pull head 12 is fixedly connected to the cable 13 and is located on one side of the cable 13 .

[0024] In this embodiment, pulling the pull head 12 can drive the cable 13 to be tightened, and the cable 13 can be contracted to drive the hook 9 to rotate.

[0025] Furthermore, the car seat back frame structure further comprises a cushion 14, which is fixedly connected to the back frame 1 and is located on the back frame 1.

[0026] In this embodiment, the cushion 14 can support the user's back and improve the user's comfort.

[0027] Furthermore, the automobile seat back frame structure further includes a plurality of reinforcing ribs 15 , and the plurality of reinforcing ribs 15 are respectively fixedly connected to the back frame 1 and respectively fixedly connected to the cushion 14 .

[0028] In this embodiment, the soft cushion 14 can be supported by the plurality of reinforcing ribs 15 , thereby improving the supporting strength of the soft cushion 14 .

[0029] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A car seat back frame structure, characterized in that: It comprises a back frame, two mounting mechanisms and two limiting mechanisms, wherein the two mounting mechanisms are symmetrically arranged at two ends of the back frame, and the two limiting mechanisms are respectively arranged on the back frame; The mounting mechanism includes a mounting frame, a connecting rod, a reset spring and a connecting plate. The mounting frame is fixedly connected to the back frame and is located on one side of the back frame. The connecting rod is fixedly connected to the mounting frame and is located on one side of the mounting frame. The reset spring is fixedly connected to the connecting rod and is located on the connecting rod. The connecting plate is sleeved on the connecting rod and fixedly connected to the reset spring.

2. The automobile seat back frame structure according to claim 1, characterized in that: The limiting mechanism includes a mounting plate, a hook, a torsion spring and a pulling assembly. The mounting plate is fixedly connected to the back frame and is located on the back frame. The hook is rotatably connected to the mounting plate and is located on one side of the mounting plate. The torsion spring is fixedly connected to the mounting plate and to the hook. The pulling assembly is connected to the hook and to the mounting frame.

3. The automobile seat back frame structure according to claim 2, characterized in that: The pulling assembly comprises a pull head and a cable, wherein the cable is fixedly connected to the mounting frame and to the hook, and the pull head is fixedly connected to the cable and is located on one side of the cable.

4. The automobile seat back frame structure according to claim 3, characterized in that: The automobile seat back frame structure also includes a cushion, which is fixedly connected to the back frame and is located on the back frame.

5. The automobile seat back frame structure according to claim 4, characterized in that: The automobile seat back frame structure also includes a plurality of reinforcing ribs, and the plurality of reinforcing ribs are respectively fixedly connected to the back frame and respectively fixedly connected to the cushion.

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