A breathable and moisture-permeable covering structure for car armrests

CN224447564UActive Publication Date: 2026-07-03NINGBO LONGXIANG AUTO PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO LONGXIANG AUTO PARTS CO LTD
Filing Date
2025-09-30
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing car armrests have poor breathability and moisture permeability, making them stuffy and uncomfortable in summer and cold in winter. They are also difficult to clean and maintain, and are prone to bacterial growth and odor.

Method used

It adopts a combination design of breathable leather, sponge layer, heating plate and duct fan, combined with high temperature steam sterilization and active drainage by the fan to achieve active ventilation, humidity regulation and self-cleaning.

Benefits of technology

It achieves good breathability and moisture permeability, adjustable temperature and humidity, stable structure and easy maintenance, high comfort, strong self-cleaning ability, and avoids stuffiness, dampness and odor.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a breathable and moisture-permeable covering structure for a car armrest, relating to the field of automotive interior technology. It includes breathable leather, a base, and a connecting box. Inside the breathable leather, a sponge layer, a heating plate, and a support plate are sequentially nested, all three having ventilation holes. One end of the base is connected to the connecting box, the lower end of which has a collection box and an air duct, and an internal controller. A water storage box is located inside the base, connected to an absorbent cotton core via a support rod. The absorbent cotton core is wrapped with a heating wire. The upper end of the water storage box is connected to a water inlet via a conduit. The controller is electrically connected to the heating plate, heating wire, and ducted fan. This utility model achieves active ventilation through the ventilation holes and ducted fan, regulates temperature through the heating plate and heating wire, and regulates humidity through the water storage box and absorbent cotton core, solving the problems of poor breathability and uncomfortable temperature in existing armrests. It also features a high-temperature steam self-cleaning function, improving driving and riding comfort.
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Description

Technical Field

[0001] This utility model belongs to the field of automotive interior technology, specifically, it relates to an automotive armrest with a breathable and moisture-permeable covering structure. Background Technology

[0002] Most existing car armrests are covered with a single material such as leather, fabric or plastic. Although they can meet basic support needs, they have the drawback of poor breathability and moisture permeability: In the high temperature of summer, heat and sweat easily accumulate at the contact point between the arm and the armrest, resulting in stuffiness and discomfort; in the low temperature of winter, the surface temperature of the armrest is low, and direct contact can easily produce a cold feeling; moreover, some armrests do not have active ventilation or humidity regulation structures inside; cleaning and maintenance are difficult, sweat stains and dust can easily penetrate into the sponge layer, and long-term accumulation can easily breed bacteria and produce odors. Manual cleaning requires disassembling the covering layer, which is cumbersome and can easily damage the structure.

[0003] To address the aforementioned issues, this invention integrates a breathable structure and heating function, while adding a self-cleaning module. Through the synergistic effect of high-temperature steam sterilization, active fan drainage, and heated ventilation drying, it achieves deep cleaning of the sponge layer, maintaining the hygiene of the handrail without disassembly, thus balancing comfort and practicality. Utility Model Content

[0004] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows:

[0005] A breathable and moisture-permeable covering structure for a car armrest includes breathable leather, a base, and a connecting box. The lower end of the breathable leather is fixedly installed on the base. A sponge layer is sleeved inside the breathable leather. A heating plate is sleeved inside the sponge layer. A support plate is sleeved inside the heating plate. Several ventilation holes are provided on the surfaces of the breathable leather, the heating plate, and the support plate.

[0006] In a preferred embodiment of this utility model, one end of the base is fixedly connected to the connecting box, the upper side of the connecting box is connected to one end of the breathable leather, a collection box is fixedly installed at the lower end of the connecting box, a controller is fixedly installed on the inner side wall of the connecting box, and an installation shaft is fixedly installed on one side of the connecting box.

[0007] In a preferred embodiment of the present invention, a ducted fan is installed at the upper end of the collection box, the lower part of the ducted fan corresponds to the upper opening of the collection box, and an air duct is fixedly installed at the middle position of the lower end of the collection box.

[0008] In a preferred embodiment of this utility model, a water storage box is installed inside the base, a support rod is fixedly connected to the lower end of one side of the water storage box, an absorbent cotton core is sleeved around the support rod, and a heating wire is wound around the absorbent cotton core.

[0009] In a preferred embodiment of this utility model, a conduit is fixedly connected to the upper end of the water storage box, and a water inlet is fixedly installed at the upper end of the conduit. The upper end of the water inlet passes through the connecting box and is fixedly connected thereto.

[0010] In a preferred embodiment of this utility model, the controller is electrically connected to the heating plate, the heating wire and the ducted fan.

[0011] Compared with the prior art, the present invention has the following advantages:

[0012] Excellent breathability and moisture permeability: The ventilation holes in the breathable leather, sponge layer, heating plate and support plate form a through channel, which, together with the duct fan, actively ventilates and quickly removes hot and humid air, avoiding stuffiness and dampness;

[0013] Temperature and humidity adjustable: The heating plate and heating wire achieve low-temperature heating, while the water storage box and absorbent cotton core regulate humidity to adapt to the needs of different seasons;

[0014] Stable structure and easy maintenance: Each component adopts a modular design, the connecting box and base are easy to disassemble, and the water storage box can be replenished with water through the water inlet, making maintenance convenient;

[0015] High comfort: The sponge layer provides cushioning and support, the breathable leather enhances the feel, and the overall structure balances support and comfort;

[0016] Strong self-cleaning ability: High-temperature steam can penetrate the sponge layer for deep disinfection, and with the help of fan suction and heated air drying, it can thoroughly remove sweat and bacteria and prevent odor.

[0017] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0018] In the attached diagram:

[0019] Figure 1 A schematic diagram illustrating the overall effect of a car armrest with a breathable and moisture-permeable covering structure;

[0020] Figure 2 A schematic cross-sectional view of the internal structure of a car handrail with a breathable and moisture-permeable covering structure;

[0021] Figure 3 A longitudinal cross-sectional view of the internal structure of a car handrail with a breathable and moisture-permeable covering structure;

[0022] Figure 4 This is a schematic diagram of a steam generator for a car handrail with a breathable and moisture-permeable covering structure.

[0023] In the diagram: 1. Breathable leather; 2. Base; 3. Connecting box; 4. Collection box; 5. Air duct; 6. Mounting shaft; 7. Sponge layer; 8. Heating plate; 9. Water inlet; 10. Pipe; 11. Support plate; 12. Ducted fan; 13. Water storage box; 14. Heating wire; 15. Absorbent cotton core; 16. Controller; 17. Support rod. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model.

[0025] like Figures 1 to 4 As shown, a breathable and moisture-permeable covering structure for a car handrail includes breathable leather 1, a base 2, and a connecting box 3. The lower end of the breathable leather 1 is fixedly installed on the base 2. A sponge layer 7 is sleeved inside the breathable leather 1. A heating plate 8 is sleeved inside the sponge layer 7. A support plate 11 is sleeved inside the heating plate 8. Several ventilation holes are opened on the surfaces of the breathable leather 1, the heating plate 8, and the support plate 11.

[0026] In this design, the breathable leather 1 serves as the outer layer, directly contacting the skin to ensure a soft touch while allowing moisture to initially escape from the skin's surface through its breathability. The sponge layer 7 cushions the pressure on the armrests, and its porous structure temporarily stores airflow and aids in moisture diffusion. The heating plate 8 not only heats the armrest surface in winter, but its surface vents also prevent airflow obstruction during heating. The support plate 11 provides rigid support for the overall covering structure, preventing the armrests from deforming under pressure. Furthermore, its vents align with those of the outer components, forming a continuous "skin-cushioning-heating-support" airflow channel. This provides a path for active ventilation, humidity regulation, and steam / moisture transmission during self-cleaning, resolving the contradiction of a single structure requiring both support and breathability.

[0027] like Figures 1 to 4 As shown, in a specific embodiment, one end of the base 2 is fixedly connected to the connecting box 3, the upper side of the connecting box 3 is connected to one end of the breathable leather 1, the lower end of the connecting box 3 is fixedly installed with a collection box 4, the inner side wall of the connecting box 3 is fixedly installed with a controller 16, and one side of the connecting box 3 is fixedly installed with an installation shaft 6.

[0028] In this configuration, the base 2 provides installation space for internal components such as the water storage box 13, and through its fixed connection with the connecting box 3, it achieves integrated assembly of the armrest's "main body covering structure" and "control / ventilation components." The connecting box 3 integrates the end fixing of the controller 16, the collection box 4, and the breathable leather 1, avoiding structural looseness caused by the scattered installation of components. Furthermore, its side connection with the breathable leather 1 can seal the end of the armrest, preventing airflow leakage from the end and ensuring ventilation efficiency. The collection box 4 can concentrate the hot and humid air drawn by the duct fan 12 or the moisture during self-cleaning, preventing airflow diffusion from affecting other components. The controller 16, as the core control unit, can centrally manage various electrical components, reducing wiring clutter. The mounting shaft 6 enables the rotational connection between the armrest and the vehicle body / seat, meeting the adjustment needs of drivers and passengers for the opening and closing angle of the armrest, balancing structural integration and usage flexibility.

[0029] like Figures 1 to 4 As shown, in a specific embodiment, a ducted fan 12 is installed at the upper end of the collection box 4, the lower part of the ducted fan 12 corresponds to the upper opening of the collection box 4, and an air duct 5 is fixedly installed at the middle position of the lower end of the collection box 4.

[0030] In this configuration, the ducted fan 12, through its corresponding installation with the opening of the collection box 4, can precisely draw in hot and humid air (in summer), steam or residual moisture from self-cleaning that flows through the ventilation holes inside the armrest, avoiding efficiency reduction caused by airflow deviation. The collection box 4 can temporarily gather the airflow / moisture drawn in by the fan, preventing it from directly impacting the internal components of the connecting box 3, while guiding the airflow / moisture to concentrate in the air duct 5. The air duct 5, as an exhaust channel, can directionally exhaust hot and humid air (in summer) and self-cleaning moisture to the outside of the vehicle or the car's air conditioning duct, preventing the exhaust from flowing back into the armrest or other areas inside the vehicle, solving the problems of undirected airflow and residual moisture after self-cleaning during active ventilation, and its sealed design can reduce airflow noise.

[0031] like Figures 1 to 4 As shown, in a specific embodiment, a water storage box 13 is installed inside the base 2. A support rod 17 is fixedly connected to the lower end of one side of the water storage box 13. An absorbent cotton core 15 is sleeved around the support rod 17, and a heating wire 14 is wound around the absorbent cotton core 15.

[0032] In this setup, the water storage box 13 stores clean water for humidity regulation, providing a water source to prevent the handrail from drying out in winter. Its sealed design also prevents water leakage and contamination of the base 2. The support rod 17 fixes the position of the absorbent cotton core 15, preventing displacement and uneven evaporation. The absorbent cotton core 15 absorbs moisture from the water storage box 13 using its high-molecular-weight water-absorbing properties and slowly evaporates, transferring moisture to the handrail surface through ventilation holes, preventing the handrail from becoming too dry during winter heating. The heating wire 14 accelerates the evaporation of moisture from the absorbent cotton core 15 by heating, precisely controlling the amount of moisture released. After self-cleaning, it also assists the heating plate 8 in raising the internal temperature of the handrail, accelerating the evaporation of residual moisture in the sponge layer 7, thus solving the problems of low humidity regulation efficiency and slow drying after self-cleaning.

[0033] like Figures 1 to 4 As shown, in a specific embodiment, a conduit 10 is fixedly connected to the upper end of the water storage box 13, and a water inlet 9 is fixedly installed at the upper end of the conduit 10. The upper end of the water inlet 9 passes through the connecting box 3 and is fixedly connected to it.

[0034] In this configuration, the conduit 10 connects the water inlet 9 to the water storage box 13, forming a directional water replenishment channel to prevent water from spilling into the base 2 or the connecting box 3 during replenishment. The design of the water inlet 9 penetrating through the connecting box 3 concentrates the water replenishment operation at the connecting box 3, allowing drivers and passengers to replenish water without removing the armrest. The sealing cap prevents dust and debris from entering the water storage box 13 through the water inlet 9 and contaminating the water source. At the same time, the fixed connection between the water inlet 9 and the connecting box 3 enhances its installation stability and prevents the water inlet from loosening after long-term use, solving the problems of inconvenient water replenishment and easy water source contamination.

[0035] like Figures 1 to 4 As shown, in a specific embodiment, the controller 16 is electrically connected to the heating plate 8, the heating wire 14 and the ducted fan 12.

[0036] In this setup, the controller 16 achieves coordinated control of the heating plate 8, heating wire 14, and ducted fan 12 via electrical connection: in summer, the ducted fan 12 can be started independently for active dehumidification; in winter, the heating plate 8 and heating wire 14 can be started simultaneously to achieve "heating + humidification". During self-cleaning, the ducted fan 12 can be coordinated to draw in steam / moisture, while the heating plate 8 and heating wire 14 heat and dry the water, avoiding functional conflicts caused by independent operation of each component. At the same time, the controller 16 can receive signals from the car's central control or independent buttons to achieve precise adjustment of temperature and fan speed. It can also trigger an alarm when the water storage box 13 is low on water, reminding the user to add water, solving the problems of scattered control of various functional components, lack of linkage, and no indication of water shortage, thus improving the intelligence and convenience of using the handrail.

[0037] The implementation principle of the breathable and moisture-permeable covering structure of the car handrail in this embodiment is as follows:

[0038] Summer use: Drivers and passengers send a signal to the controller 16 via the car's central control or a separate button to start the duct fan 12; the duct fan 12 draws in hot and humid air from the surface of the armrest through the ventilation holes, collects it in the collection box 4, and then discharges it through the air duct 5 to achieve active ventilation and dehumidification.

[0039] Winter use: Controller 16 activates heating plate 8 to heat the handrail surface to 25-30℃; at the same time, heating wire 14 is activated to heat absorbent cotton core 15, so that the water in water storage box 13 evaporates slowly and the humidity inside the handrail is regulated through the vent to prevent dryness.

[0040] Water replenishment operation: When the water in the water storage box 13 is insufficient, the controller alarms, opens the sealing cover of the water inlet 9, and injects an appropriate amount of clean water into the water storage box 13 through the conduit 10. After completion, the sealing cover is closed.

[0041] Self-cleaning: High-temperature steam sterilization and humidification, ducted fan 12 draws in moisture, the moisture flows out through air duct 5, and the remaining moisture in sponge layer 7 is heated, evaporated and dried by ventilation through heating plate 8 and ducted fan 12.

Claims

1. A car armrest with a breathable and moisture-permeable covering structure, comprising breathable leather (1), a base (2), and a connecting box (3), characterized in that: The lower end of the breathable leather (1) is fixedly installed on the base (2). A sponge layer (7) is sleeved inside the breathable leather (1). A heating plate (8) is sleeved inside the sponge layer (7). A support plate (11) is sleeved inside the heating plate (8). Several ventilation holes are opened on the surfaces of the breathable leather (1), the heating plate (8) and the support plate (11).

2. The air and moisture permeable coated structure of claim 1, wherein, One end of the base (2) is fixedly connected to the connecting box (3), the upper side of the connecting box (3) is connected to one end of the breathable leather (1), the lower end of the connecting box (3) is fixedly installed with a collection box (4), the inner side wall of the connecting box (3) is fixedly installed with a controller (16), and one side of the connecting box (3) is fixedly installed with an installation shaft (6).

3. The air and moisture permeable coated structure of claim 2, wherein, A ducted fan (12) is installed at the upper end of the collection box (4), and the lower part of the ducted fan (12) corresponds to the upper opening of the collection box (4). An air duct (5) is fixedly installed at the middle position of the lower end of the collection box (4).

4. The air and moisture permeable coated structure of claim 2, wherein, The base (2) has a water storage box (13) installed inside. A support rod (17) is fixedly connected to the lower end of one side of the water storage box (13). A water-absorbing cotton core (15) is sleeved around the support rod (17). A heating wire (14) is wound around the water-absorbing cotton core (15).

5. The air and moisture permeable coated structure of claim 4, wherein, The upper end of the water storage box (13) is fixedly connected to a conduit (10), and the upper end of the conduit (10) is fixedly installed with a water inlet (9). The upper end of the water inlet (9) passes through the connecting box (3) and is fixedly connected to it.

6. The air and moisture permeable coated structure of claim 2, wherein, The controller (16) is electrically connected to the heating plate (8), the heating wire (14) and the ducted fan (12).