A new type of car headrest with air permeability and heat dissipation function

Abstract

This utility model discloses a novel car headrest with breathable and heat dissipation functions, relating to the field of automotive parts technology. It includes a headrest shell with a headrest frame. The headrest frame has several ventilation holes, and several lattice units are fixedly connected inside the headrest frame. These lattice units correspond to and are fixedly connected at edge nodes and intersection nodes. Through the structural design of the lattice units and ventilation holes, this utility model allows natural micro-ventilation holes to be formed between the lattice units when driving in hot weather. When the vehicle is moving, the air conditioning is running, or the body is slightly moving, air will actively convect inside the headrest through these gaps, carrying away heat and sweat moisture generated by contact with the head or neck. This structural design avoids the problem of moisture generated by sweat evaporation being unable to penetrate the coating when driving in hot weather, preventing heat and moisture from being difficult to dissipate and causing a stuffy feeling.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, specifically to a novel automotive headrest with breathable and heat-dissipating functions. Background Technology

[0002] Car headrests are both a driving comfort feature and a safety protection device. Their technical design revolves around two core functions: supporting the head and protecting the cervical spine. During long drives or rides, headrests provide support for the head and relieve neck pressure. Some headrests use skin-friendly materials or memory foam to increase passenger comfort. In the event of a rear-end collision, the body will fall backward due to inertia; the headrest acts as a buffer, limiting the extent of the head's backward tilt relative to the body, reducing cervical spine injury, and lowering the risk of neck injury.

[0003] Currently, ordinary car headrests use an outer skin and a filling design. The breathability of the two is mutually restrictive. When the head sweats in summer, the moisture produced by the evaporation of sweat cannot penetrate the coating and will remain on the inside of the outer skin. This will eventually lead to heat and moisture not being able to escape, resulting in a stuffy feeling. In addition, ordinary car headrests are filled with low-density sponge or synthetic fiber cotton, which has weak support. After long-term use, the middle of the headrest is prone to sinking, which will make the head unable to get stable support. In the event of a rear-end collision, the collapsed filling layer cannot effectively buffer the impact of the head tilting backward, which may increase the risk of excessive stretching injury to the cervical spine. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a novel car headrest with breathable heat dissipation function, which can effectively solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a novel car headrest with breathable and heat dissipation function, comprising a headrest shell, a headrest frame provided in the headrest shell, a plurality of breathable holes provided in the headrest frame, and a plurality of lattice units fixedly connected inside the headrest frame, the plurality of lattice units corresponding to and fixedly connected to each other at edge nodes and intersection nodes.

[0006] As a preferred embodiment of the present invention, a novel car headrest with breathable and heat dissipation function is provided, wherein: a plurality of lattice units are composed of a frame layer, a comfort layer and a support layer, and the support layer is located between the frame layer and the comfort layer.

[0007] As a preferred embodiment of the present invention, a novel car headrest with breathable and heat-dissipating function is provided, wherein a headrest fixing seat is fixedly installed at the bottom of the headrest shell.

[0008] As a preferred embodiment of the present invention, a novel car headrest with breathable and heat-dissipating function, wherein: a plurality of breathable holes are honeycomb-shaped.

[0009] As a preferred embodiment of the present invention, a novel car headrest with breathable and heat-dissipating function is provided, wherein the front middle of the headrest shell is recessed inward.

[0010] As a preferred embodiment of the present invention, a novel car headrest with breathable and heat dissipation function, wherein: the lattice unit is an elastic deformation structure, and the lattice unit will deform slightly when compressed.

[0011] The technical solution provided by this utility model has the following advantages compared with the known prior art:

[0012] 1. This utility model, through the structural design of lattice units and vents, creates natural micro-ventilation holes between the lattice units when driving in hot weather. When the vehicle is moving, the air conditioning is running, or the human body is slightly moving, air will pass through the vents and form active convection inside the headrest shell through the gaps between these lattice units, carrying away the heat and sweat moisture generated by the head or neck. This structural design avoids the problem of moisture generated by sweat evaporation being difficult to penetrate the coating when driving in hot weather, which would make it difficult for heat and moisture to be discharged and cause a stuffy feeling.

[0013] 2. Through parameterized design, this utility model can combine lattice units into a frame layer, a support layer, and a comfort layer. The frame layer provides stable support, resists compression deformation, and is not prone to collapse after long-term use. The support layer combines support and cushioning, is easy to rebound after being compressed, and disperses head pressure. The comfort layer maximizes breathability while reducing the pressure of the structure on the skin. This structural design can precisely balance the heat dissipation, support, and comfort of the car headrest through local parameter differences. Attached Figure Description

[0014] 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 only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a bottom view of the overall structure of this utility model;

[0017] Figure 3 for Figure 2 A magnified view of a portion of region A in the middle;

[0018] Figure 4This is a cross-sectional schematic diagram of the overall structure of this utility model.

[0019] 1. Headrest shell; 2. Headrest mounting base; 3. Headrest frame; 4. Lattice unit; 5. Ventilation holes; 6. Frame layer; 7. Comfort layer; 8. Support layer. Detailed Implementation

[0020] 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, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0021] The present invention will be further described below with reference to the embodiments.

[0022] This utility model provides a technical solution: such as Figure 1 - Figure 4 As shown in this embodiment, a novel car headrest with breathable and heat-dissipating function includes a headrest shell 1, a headrest frame 3, and a headrest frame 3 made of thermoplastic polyurethane or polyethylene terephthalate. Thermoplastic polyurethane can control the softness and hardness by adjusting the material hardness parameter, and it does not harden or become sticky in hot weather, does not stick to the skin after sweating, and is not easy to crack after long-term use. Polyethylene terephthalate is not easy to be damp and deformed in summer, has a smooth surface, is resistant to high temperature, and has no odor. The headrest frame 3 has several ventilation holes 5 to allow airflow to pass through.

[0023] The headrest frame 3 has several lattice units 4 fixedly connected inside. The lattice units 4 are made of high-elasticity resin, liquid photosensitive resin, and carbon fiber. The high-elasticity resin is a PU-like material with excellent resilience, tear resistance, and low-temperature resistance. When used in 3D printed lattice structures, it can provide good elastic support for the car headrest and ensure that the car headrest is not easily damaged during long-term use. The liquid photosensitive resin can be rapidly molded through a photocuring process, which can produce high-precision and complex lattice structures. There are many types of photosensitive resins, and different types of photosensitive resins vary in hardness, toughness, and transparency. They can be selected according to the specific performance requirements of the headrest. Carbon fiber is a high-strength and lightweight material. Using it in the lattice units 4 can significantly reduce the weight of the headrest while maintaining high strength. Several lattice units 4 correspond to each other and are fixedly connected at edge nodes and intersection nodes.

[0024] like Figure 1 - Figure 4As shown, several lattice units 4 are composed of a frame layer 6, a comfort layer 7, and a support layer 8. The frame layer 6 uses high-density body-centered cubic units, which have small unit size, low porosity, and strong structural rigidity, and can withstand the instantaneous impact force on the head. The comfort layer 7 uses low-density rhombic dodecahedral units, which have large unit size and high porosity. The support layer 8 uses medium-density face-centered cubic units, which have medium unit size, medium porosity, and moderate elasticity. When compressed, the lattice units 4 will deform slightly, dispersing the local pressure on the head to a larger area. When rebounding, they can quickly restore their shape without permanent deformation. The support layer 8 is located between the frame layer 6 and the comfort layer 7. A headrest fixing seat 2 is fixedly installed at the bottom of the headrest shell 1. Several ventilation holes 5 are honeycomb-shaped. The front middle of the headrest shell 1 is concave inward. The lattice units 4 are elastic deformation structures, and the lattice units 4 will deform slightly when compressed.

[0025] This utility model provides a novel car headrest with breathable and heat dissipation functions. The specific working principle is as follows:

[0026] When driving in hot weather, the gaps between the lattice units 4 form natural micro-ventilation holes. When the vehicle is moving, the air conditioning is running, or the body is slightly moving, air passes through the ventilation holes 5 and forms active convection inside the headrest shell 1 through the gaps between the lattice units 4. This carries away the heat and sweat moisture generated by the head or neck, preventing the moisture generated by sweat evaporation from being unable to penetrate the coating, which would make it difficult for heat and moisture to escape and cause a stuffy feeling. In the production process of the car headrest, through parametric design, the lattice units 4 can be combined into a frame layer 6, a support layer 8, and a comfort layer 7. The frame layer 6 provides stable support, resists compression deformation, and is not easy to collapse after long-term use. The support layer 8 combines support and cushioning, and is relatively easy to rebound after being compressed, which can distribute the pressure on the head. The comfort layer 7 maximizes the breathability while reducing the pressure of the structure on the skin.

[0027] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended 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 will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of this utility model.

Claims

1. A novel car headrest with breathable and heat-dissipating functions, characterized in that: The device includes a headrest shell (1), which has a headrest frame (3). The headrest frame (3) has several ventilation holes (5). Several lattice units (4) are fixedly connected inside the headrest frame (3). The several lattice units (4) correspond to each other and are fixedly connected at edge nodes and intersection nodes.

2. The novel car headrest with breathable and heat-dissipating function according to claim 1, characterized in that: The lattice units (4) consist of a frame layer (6), a comfort layer (7) and a support layer (8), with the support layer (8) located between the frame layer (6) and the comfort layer (7).

3. A novel car headrest with breathable and heat-dissipating function according to claim 1, characterized in that: The headrest housing (1) is fixedly mounted with a headrest fixing seat (2) at the bottom.

4. A novel car headrest with breathable and heat-dissipating function according to claim 1, characterized in that: Some of the ventilation holes (5) are honeycomb-shaped.

5. A novel car headrest with breathable and heat-dissipating function according to claim 1, characterized in that: The headrest shell (1) has an inward indentation in the middle of the front part.

6. A novel car headrest with breathable and heat-dissipating function according to claim 1, characterized in that: The lattice unit (4) is an elastic deformation structure, and the lattice unit (4) will deform slightly when compressed.

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