Improved 3D headrest

Abstract

The utility model discloses an improved 3D headrest which comprises a vertical sliding rail, a sliding block, a rotating rod, a supporting seat, a connecting block, a supporting frame, a rotating block, a locking block and a screw, and the sliding block is connected to the vertical sliding rail in a sliding mode; the neck support and the supporting frame are used as supports, the vertical sliding rail is fixed to the neck support through the bolt, the sliding block is clamped into the sliding groove formed between the vertical sliding rail and the supporting frame, the sliding block is used as a support, the rotating rod is rotationally connected to the sliding block through the screw, the rotating rod is used as a support, and the connecting block is rotationally connected to the rotating rod. The rotating block and the locking block are connected to the rotating rod in a sleeving mode, the connecting block serves as a support, the locking block is fixed to the connecting block, the supporting base is fixed to the connecting block through a bolt, and the supporting base serves as a support to clamp the second cover plate to the supporting base; the rotating rod can rotate around the rotating block, the locking block can achieve self-locking of the rotating rod, the angle of the neck collar can be adjusted, and the neck collar is suitable for different scenes.

Description

Technical Field

[0001] This utility model relates to the field of headrest technology, and in particular to an improved 3D headrest. Background Technology

[0002] Headrests, as an important component of seating, play a vital role in various settings, including cars, airplanes, and office chairs. Their most direct function is to provide support for the head and neck, significantly improving comfort, especially during long periods of sitting. A suitable headrest can maintain the natural curve of the cervical spine, reducing pressure caused by prolonged head-down or forward head posture, thus helping to prevent cervical spondylosis and other related diseases. However, existing headrests on the market have significant drawbacks: they cannot rotate from the bottom and lack self-locking mechanisms, limiting their usability. Therefore, designing an improved 3D headrest is essential. Utility Model Content

[0003] The purpose of this invention is to provide an improved 3D headrest to solve the defects of existing headrests that cannot rotate at the bottom and cannot self-lock, which result in certain limitations in their use.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: an improved 3D headrest, including a vertical slide rail, a neck support, a sliding block, a rotating rod, a support base, a connecting block, a support frame, a rotating block, a locking block, and screws. The sliding block is slidably connected to the vertical slide rail, and screws are symmetrically sleeved on the sliding block. A rotating rod is rotatably connected to the screw.

[0005] As a further technical solution of this utility model, the vertical slide rail is fixedly connected to the neck support by bolts, a support frame is fixedly connected to the neck support, and a sliding block is slidably connected to the support frame.

[0006] As a further technical solution of this utility model, a third cover plate is engaged in the groove at one end of the rotating rod, and one end of the rotating rod is in close contact with the sliding block.

[0007] As a further technical solution of this utility model, the other end of the rotating rod is rotatably connected to the connecting block, the rotating rod meshes with the rotating block, the rotating block is rotatably connected in the through groove opened in the connecting block, and the first cover plate is engaged in the groove opened in the connecting block.

[0008] As a further technical solution of this utility model, a locking block is fixedly connected in the groove opened on the connecting block, and the locking block is engaged with a rotating rod.

[0009] As a further technical solution of this utility model, the connecting block is fixedly connected to a support base by bolts.

[0010] As a further technical solution of this utility model, a second cover plate is engaged in the groove of the support base.

[0011] This utility model provides an improved 3D headrest, the advantages of which are as follows: A neck support and a support frame are used as supports; a vertical slide rail is fixed to the neck support with bolts; a sliding block is engaged in the groove formed between the vertical slide rail and the support frame; a rotating rod is rotatably connected to the sliding block with screws; a connecting block is rotatably connected to the rotating rod with the rotating rod as support; the rotating block and a locking block are sleeved on the rotating rod; the locking block is fixed to the connecting block with the connecting block as support; a support base is fixed to the connecting block with bolts; and a second cover plate is engaged with the support base. The sliding block slides along the groove formed between the vertical slide rail and the support frame, allowing the height of the neck support to be adjusted according to actual needs, suitable for different users; the rotating rod can rotate around the rotating block, and the locking block can achieve self-locking of the rotating rod, allowing the angle of the neck support to be adjusted, suitable for different scenarios. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is an exploded view of the present invention;

[0014] Figure 2 This is a three-dimensional schematic diagram of the present invention;

[0015] Figure 3 This is the overall rear view of the present invention;

[0016] Figure 4 This is a three-dimensional schematic diagram of the self-locking structure of this utility model.

[0017] In the diagram: 1. Vertical slide rail; 2. Neck support; 3. Sliding block; 4. Rotating rod; 5. Support base; 6. First cover plate; 7. Connecting block; 8. Second cover plate; 9. Third cover plate; 10. Support frame; 11. Rotating block; 12. Locking block; 13. Screw. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0019] Please see the appendix Figure 1 -Appendix Figure 4 This utility model provides an embodiment of an improved 3D headrest, comprising a vertical slide rail 1, a neck support 2, a sliding block 3, a rotating rod 4, a support base 5, a connecting block 7, a support frame 10, a rotating block 11, a locking block 12, and screws 13. The sliding block 3 is slidably connected to the vertical slide rail 1, and screws 13 are symmetrically fitted onto the sliding block 3. The rotating rod 4 is rotatably connected to the screws 13. The vertical slide rail 1 is fixedly connected to the neck support 2 by bolts. The support frame 10 is fixedly connected to the neck support 2, and the support frame 10 is slidably connected to the sliding block 3, serving to support the sliding block 3 and the neck support 2. One end of the rotating rod 4 is open... A third cover plate 9 is engaged in the groove of the neck support 2. One end of the rotating rod 4 is tightly attached to the sliding block 3, which is used to adjust the height of the neck support 2. The other end of the rotating rod 4 is rotatably connected to the connecting block 7. The rotating rod 4 is engaged with the rotating block 11, which is rotatably connected in the through groove of the connecting block 7. A first cover plate 6 is engaged in the groove of the connecting block 7. The rotating rod 4 is used to adjust the angle of the neck support 2. A locking block 12 is fixedly connected in the groove of the connecting block 7, and the locking block 12 is engaged with the rotating rod 4. A support base 5 is fixedly connected to the connecting block 7 by bolts. A second cover plate 8 is engaged in the groove of the support base 5.

[0020] Specifically, in use, firstly, the neck brace 2 and support frame 10 are used as supports. The vertical slide rail 1 is fixed to the neck brace 2 with bolts. The sliding block 3 is engaged in the groove formed between the vertical slide rail 1 and support frame 10. With the sliding block 3 as support, the rotating rod 4 is rotatably connected to the sliding block 3 with screws 13. With the rotating rod 4 as support, the connecting block 7 is rotatably connected to the rotating rod 4. The rotating block 11 and locking block 12 are sleeved on the rotating rod 4. With the connecting block 7 as support, the locking block 12 is fixed to the connecting block 7. The support seat 5 is fixed to the connecting block 7 with bolts. With the support seat 5 as support, the second cover plate 8 is engaged on the support seat 5. The sliding block 3 slides along the groove formed between the vertical slide rail 1 and support frame 10. The height of the neck brace 2 can be adjusted according to actual needs, making it suitable for different people. The rotating rod 4 can rotate around the rotating block 11. The locking block 12 can realize the self-locking of the rotating rod 4. The angle of the neck brace 2 can be adjusted, making it suitable for different scenarios.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without any creative effort.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. An improved 3D headrest, comprising a vertical slide rail (1), a neck support (2), a sliding block (3), a rotating rod (4), a support base (5), a connecting block (7), a support frame (10), a rotating block (11), a locking block (12), and screws (13), characterized in that: A sliding block (3) is slidably connected to the vertical slide rail (1), and screws (13) are symmetrically sleeved on the sliding block (3). A rotating rod (4) is rotatably connected to the screw (13).

2. The improved 3D headrest according to claim 1, characterized in that: The vertical slide rail (1) is fixedly connected to the neck support (2) by bolts. A support frame (10) is fixedly connected to the neck support (2), and a sliding block (3) is slidably connected to the support frame (10).

3. An improved 3D headrest according to claim 1, characterized in that: A third cover plate (9) is engaged in a groove at one end of the rotating rod (4), and one end of the rotating rod (4) is in close contact with the sliding block (3).

4. An improved 3D headrest according to claim 3, characterized in that: The other end of the rotating rod (4) is rotatably connected to the connecting block (7). The rotating rod (4) meshes with the rotating block (11). The rotating block (11) is rotatably connected in the through groove opened in the connecting block (7). The first cover plate (6) is engaged in the groove opened in the connecting block (7).

5. An improved 3D headrest according to claim 4, characterized in that: A locking block (12) is fixedly connected in the groove opened on the connecting block (7), and the locking block (12) is engaged with the rotating rod (4).

6. An improved 3D headrest according to claim 5, characterized in that: The connecting block (7) is fixedly connected to the support base (5) by bolts.

7. An improved 3D headrest according to claim 6, characterized in that: The second cover plate (8) is engaged in the groove of the support base (5).

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