Headrest rod assembly

Abstract

The utility model discloses a headrest rod assembly, which relates to the technical field of headrest rod assemblies, and comprises a headrest cross rod and an assembly component, the lower end of the headrest cross rod is provided with a limiting hole, the assembly component for convenient assembly is arranged in the limiting hole, and the assembly component comprises a movable hole, a fixed clamping plate, a threaded rod, a movable plate and a limiting clamp, and a fixed clamping plate is installed at the end of the interior of the movable hole, a threaded rod is arranged in the middle of the fixed clamping plate, a movable plate is in threaded connection with the exterior of the threaded rod, and a limiting clamp is installed at the upper end of the movable plate. According to the headrest rod assembly, the threaded rod rotates to drive the movable plate to move transversely, so that the limiting clamp at the upper end of the movable plate moves to the end of the limiting hole and is clamped and limited, at the moment, the limiting clamp is matched with the fixed clamping plate to complete assembling and limiting of the headrest frame, and headrest frames of different shapes can be installed according to different seats to be used for supporting the head of a user; the movable hole is used for limiting movement of the movable plate.

Description

Technical Field

[0001] The utility model relates to the technical field of headrest rod assemblies, in particular to a headrest rod assembly. Background Art

[0002] As people's living standards improve, their requirements for car seats are getting higher and higher. The headrest of a car seat is used to support and protect the driver's head. Therefore, the design of the headrest is crucial. There is a headrest rod assembly inside the headrest for force support.

[0003] For example, the utility model with application number CN202120433434.6 proposes a car seat headrest rod assembly, in which one end facing back passes through a sleeve rod and abuts against a movable rod to fix the position of the movable rod in the sleeve rod, and two wedge blocks are connected to an operating block through a connecting rod. The operating block is arranged on the outside of the adjusting rod, and a sliding groove for the connecting rod to move is provided on the outside of the adjusting rod. However, most existing headrest rod assemblies are integrated structures, which makes it inconvenient for users to perform adjustable assembly according to the headrests of different seats.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a headrest rod assembly is provided. Utility Model Content

[0005] The purpose of the utility model is to provide a headrest rod assembly to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a headrest rod assembly, including a headrest cross bar and an assembly component, a limiting hole is provided at the lower end of the headrest cross bar, the assembly component for facilitating assembly is arranged inside the limiting hole, and the assembly component includes a movable hole, a fixed splint, a threaded rod, a movable plate and a limiting clamp, a fixed splint is installed at the end inside the movable hole, and a threaded rod is provided in the middle of the fixed splint, the external thread of the threaded rod is connected to the movable plate, and the upper end of the movable plate is installed with a limiting clamp.

[0007] Furthermore, the fixed clamping plate and the movable plate are distributed in parallel, and the movable plate is in an L-shape.

[0008] Furthermore, the end of the headrest cross bar is connected to a connecting rod, and the end of the connecting rod is connected to a headrest insertion rod.

[0009] Furthermore, an adjustment hole is provided on the surface of the headrest rod, and the headrest rod and the adjustment hole are an integrated structure.

[0010] Furthermore, a headrest frame is arranged outside the movable hole, and a movable hole is opened on the upper surface of the headrest frame, and the headrest frame and the movable hole are an integrated structure.

[0011] Furthermore, a mounting assembly for facilitating replacement of the connecting rod is provided inside the top end of the headrest insertion rod, and the number of the mounting assemblies is provided in two groups.

[0012] Furthermore, the mounting assembly includes an insertion hole and a mounting rod, and the mounting rod is arranged inside the insertion hole.

[0013] Furthermore, the installation assembly also includes a reinforcement hole and a reinforcement bolt. The side of the insertion hole is provided with a reinforcement hole, and the internal thread of the reinforcement hole is installed with a reinforcement bolt.

[0014] The utility model provides a headrest rod assembly, which has the following beneficial effects:

[0015] 1. The utility model drives the movable plate to move horizontally by rotating the threaded rod, so that the limit clip on the upper end of the movable plate moves to the end of the limit hole and engages to limit the position. At this time, the limit clip cooperates with the fixed clamp plate to complete the assembly limit of the headrest frame. Headrest frames of different shapes can also be installed according to different seats for user's head support, and the movable hole is used for the limited movement of the movable plate.

[0016] 2. The utility model can be directly connected to the socket reserved on the top of the seat through the headrest plug rod, which is easy to assemble. The plug-in hole is used for the quick installation of the mounting rod, so that the assembler can install different types of connecting rods and headrest frames according to the configuration of the headrests of different seats. The assembly is simple and easy to replace. The reinforcement bolts penetrate the reinforcement holes to reinforce and limit the mounting rods, thereby increasing the connection firmness between the mounting rods and the plug-in holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a headrest rod assembly of the utility model;

[0018] Figure 2 This is a front structural schematic diagram of a headrest rod assembly of the utility model;

[0019] Figure 3 It is a schematic diagram of the side structure of a headrest rod assembly of the utility model;

[0020] Figure 4 It is a cross-sectional structural schematic diagram of an installation component of a headrest rod assembly of the utility model;

[0021] Figure 5 The utility model is a schematic diagram of the structure of an installation component of a headrest rod assembly.

[0022] In the figure: 1. headrest cross bar; 2. connecting rod; 3. headrest plug rod; 4. adjustment hole; 5. headrest frame; 6. limit hole; 7. assembly component; 701. movable hole; 702. fixed splint; 703. threaded rod; 704. movable plate; 705. limit clamp; 8. installation component; 801. plug hole; 802. installation rod; 803. reinforcement hole; 804. reinforcement bolt; 9. movable hole. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0024] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a headrest rod assembly includes a headrest cross bar 1 and an assembly component 7, wherein a limiting hole 6 is provided at the lower end of the headrest cross bar 1, and the assembly component 7 for facilitating assembly is arranged inside the limiting hole 6, and the assembly component 7 includes a movable hole 701, a fixed clamping plate 702, a threaded rod 703, a movable plate 704 and a limiting clamp 705, a fixed clamping plate 702 is installed at the end inside the movable hole 701, the movable hole 701 is used for limiting movement of the movable plate 704, and a threaded rod 703 is provided in the middle of the fixed clamping plate 702, the threaded rod 703 rotates to drive the movable plate 704 to move horizontally, so that the limiting clamp 705 at the upper end of the movable plate 704 moves to the end of the limiting hole 6 and engages for limiting, the outer thread of the threaded rod 703 is connected with the movable plate 704, and the movable plate 704 is fixed to the outer thread of the threaded rod 703, and the movable plate 704 is fixed to the outer thread of the threaded rod 703, and the movable plate 704 is fixed to the outer thread of the threaded rod 703, and the movable plate 704 is fixed to the outer thread of the threaded rod 703. A limiting clamp 705 is installed at the upper end of the plate 704. At this time, the limiting clamp 705 cooperates with the fixed clamp plate 702 to complete the assembly limit of the headrest frame 5. Headrest frames 5 of different shapes can also be installed according to different seats for user's head support. The fixed clamp plate 702 and the movable plate 704 are distributed in parallel, and the shape of the movable plate 704 is L-shaped. The end of the headrest cross bar 1 is connected with a connecting rod 2, and the end of the connecting rod 2 is connected with a headrest plug rod 3. The headrest plug rod 3 can be directly plugged and connected with the socket reserved on the top of the seat, which is easy to assemble. An adjustment hole 4 is provided on the surface of the headrest plug rod 3, and the headrest plug rod 3 and the adjustment hole 4 are an integrated structure. A headrest frame 5 is arranged on the outside of the movable hole 701, and a movable hole 9 is provided on the upper surface of the headrest frame 5, and the headrest frame 5 and the movable hole 9 are an integrated structure.

[0025] like Figure 5As shown, the top of the headrest plug rod 3 is internally provided with an installation component 8 for facilitating replacement of the connecting rod 2, and the number of the installation components 8 is set in two groups, the installation component 8 includes an insertion hole 801 and a mounting rod 802, and the installation rod 802 is arranged inside the insertion hole 801, the insertion hole 801 is used for quick installation of the mounting rod 802, so that the assembler can install different types of connecting rods 2 and headrest frames 5 according to the configuration of headrests of different seats, and the assembly is simple and easy to replace. The installation component 8 also includes a reinforcement hole 803 and a reinforcement bolt 804, the side of the insertion hole 801 is provided with a reinforcement hole 803, and the internal thread of the reinforcement hole 803 is installed with a reinforcement bolt 804, the reinforcement bolt 804 penetrates the reinforcement hole 803 to play a role of reinforcing and limiting the mounting rod 802, and increases the connection firmness of the mounting rod 802 and the insertion hole 801.

[0026] In summary, the headrest rod assembly is firstly based on Figure 1-Figure 5 In the structure shown in the figure, when installing the headrest rod assembly, the headrest plug rod 3 is directly plugged and connected with the socket reserved on the top of the seat, which is easy to assemble and assembled. Users can install different types of connecting rods 2 and headrest frames 5 according to the configuration of headrests of different seats. When the connecting rod 2 is installed, the mounting rod 802 at the lower end thereof is inserted into the insertion hole 801, and the reinforcing bolt 804 is tightened so that it plays a role of reinforcing and limiting the mounting rod 802, thereby increasing the connection firmness between the mounting rod 802 and the insertion hole 801. When the headrest frame 5 is installed, Apply a little force from both sides of the headrest frame 5 so that the fixed clamps 702 on both sides can be snap-fitted and installed at the end of the limiting hole 6, and then use a screwdriver to rotate the threaded rod 703, so that the threaded rod 703 drives the movable plate 704 to move horizontally until the limiting clamp 705 at the upper end of the movable plate 704 moves to the other end of the limiting hole 6 and snaps into position. At this time, the limiting clamp 705 cooperates with the fixed clamp 702 to complete the assembly and limitation of the headrest frame 5. Headrest frames 5 of different shapes can also be installed according to different seats for user's head support, and the assembly is easy to operate.

[0027] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A headrest rod assembly, comprising a headrest crossbar (1) and an assembly component (7), characterized in that: A limiting hole (6) is provided at the lower end of the headrest cross bar (1), and the assembly component (7) for facilitating assembly is arranged inside the limiting hole (6), and the assembly component (7) comprises a movable hole (701), a fixed clamp (702), a threaded rod (703), a movable plate (704) and a limiting clamp (705), the fixed clamp (702) is installed at the end inside the movable hole (701), and the threaded rod (703) is arranged in the middle of the fixed clamp (702), the outer thread of the threaded rod (703) is connected to the movable plate (704), and the upper end of the movable plate (704) is installed with the limiting clamp (705).

2. A headrest rod assembly according to claim 1, characterized in that: The fixed clamping plate (702) and the movable plate (704) are arranged in parallel, and the movable plate (704) is in an L-shape.

3. The headrest rod assembly according to claim 1, characterized in that: The end of the headrest cross bar (1) is connected to a connecting rod (2), and the end of the connecting rod (2) is connected to a headrest insertion rod (3).

4. A headrest rod assembly according to claim 3, characterized in that: An adjustment hole (4) is provided on the surface of the headrest insertion rod (3), and the headrest insertion rod (3) and the adjustment hole (4) are an integrated structure.

5. The headrest rod assembly according to claim 1, characterized in that: A headrest frame (5) is arranged outside the movable hole (701), and a movable hole (9) is opened on the upper surface of the headrest frame (5); the headrest frame (5) and the movable hole (9) are an integrated structure.

6. The headrest rod assembly according to claim 3, characterized in that: An installation assembly (8) for facilitating replacement of the connecting rod (2) is arranged inside the top end of the headrest insertion rod (3), and the number of the installation assemblies (8) is arranged to be two groups.

7. The headrest rod assembly according to claim 6, characterized in that: The mounting assembly (8) comprises an insertion hole (801) and a mounting rod (802), and the mounting rod (802) is arranged inside the insertion hole (801).

8. The headrest rod assembly according to claim 7, characterized in that: The installation assembly (8) further comprises a reinforcement hole (803) and a reinforcement bolt (804); the reinforcement hole (803) is provided on the side of the insertion hole (801), and the reinforcement bolt (804) is installed on the internal thread of the reinforcement hole (803).

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