Vehicle-mounted air circulation cushion

By designing the on-board air circulation cushion and using elastic materials and air circulation components, the discomfort and skin diseases caused by the hardness of the existing on-board cushion products is solved, better heat dissipation and ventilation effects are achieved, and user experience is improved.

CN222432146UActive Publication Date: 2025-02-07SHENZHEN ZHONGDAXIN EPOXY PLATE CO LTD
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Patent Information

Application Number
CN202420272992.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-02
Publication Date
2025-02-07
Estimated Expiration
2034-02-02

AI Technical Summary

Technical Problem

Although existing car seat cushion products can initially achieve heat dissipation effects, due to the hardness of the material, it is easy to feel discomfort during long-term use, and may induce skin diseases such as dermatitis and eczema, increasing people's pain.

Method used

A car air circulation seat cushion is designed, with an elastic material air cushion and a breathable mesh cover, and is equipped with a breathable cushion base and air circulation assembly for ventilation, including fan modules and cross-ventilation structures to enhance the internal ventilation of the seat cushion. Effect.

Benefits of technology

Through air circulation and cross-ventilation structure, the heat dissipation performance and ventilation effect of the seat cushion are significantly improved, reducing the possibility of users feeling uncomfortable during long-term use, and improving the user experience.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides a vehicle-mounted air circulation cushion which comprises an air-permeable cushion made of elastic materials and an air-permeable mesh enclosure arranged outside the air-permeable cushion in a wrapping mode. The breathable pad base is used for guiding air and ventilating, the breathable reinforcing pad is connected with the upper surface of the breathable pad base in a matched mode and used for sealing the peripheral connecting portion, and the air circulation assembly is detachably connected with the breathable pad base in a modularized mode. A containing groove matched with the air circulation assembly in shape is formed in one side of the breathable pad base. An opening matched with the air circulation assembly in position and shape is correspondingly formed in the breathable mesh enclosure, the air circulation assembly comprises a fan module used for conveying external air to the inner side of the breathable cushion base for air circulation, in the actual application process, the internal ventilation effect of the cushion can be well improved and enhanced, and the service life of the cushion is prolonged. The heat dissipation performance is better, and the experience degree is higher.
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Description

[Technical field]

[0001] The utility model relates to the technical field of vehicle-mounted seat cushion products, in particular to a vehicle-mounted air circulation seat cushion with reasonable structural design and outstanding application effect. [Background Technology]

[0002] In life, the interior of a car is a confined space. Due to the heat dissipation problem of car seats in a confined space, the hot weather makes it difficult to dissipate heat, resulting in high temperatures in the car seats. Even so, when people sit on car seats, their buttocks, thighs and other parts are in close contact with the seats, and it is difficult for air to circulate in these parts. Therefore, the heat in these parts will continue to accumulate, which will affect the use of the car.

[0003] To address the above problems, people often add a seat cushion to the seat to achieve ventilation through the spacing of the seat cushion. Ventilation pads are a type of product that can increase the space between the contact surface between the sitter and the seat device. Therefore, ventilation pads are usually used in conjunction with car seats. Commonly used products include cooling pads or cooling pads with holes, which are made of bamboo or wood. Although such products can achieve the initial heat dissipation effect, they are limited by the hardness of the material, making it easy for users to feel discomfort or other hidden dangers when used for a long time, such as easily inducing skin diseases such as dermatitis and eczema, increasing people's pain.

[0004] Based on this, further improvement and enhancement are needed on the existing technology. [Contents of the utility model]

[0005] The problems existing in the prior art solved by this application are:

[0006] Although the cushion products in the prior art achieve the initial heat dissipation effect, they are limited by the hardness of the materials, which makes it easy for users to feel uncomfortable or have other hidden dangers when using them for a long time. For example, it is easy to induce skin diseases such as dermatitis and eczema, which increases people's pain.

[0007] The solution to the technical problem of the utility model is:

[0008] Provided is a vehicle-mounted air circulation seat cushion, comprising an air-permeable cushion made of elastic material and an air-permeable mesh cover wrapped around the outside of the air-permeable cushion.

[0009] It also includes a breathable pad base for guiding wind and ventilation, and a breathable reinforcement pad matched and connected to the upper surface of the breathable pad base and used to form a seal on the peripheral connection part;

[0010] It also includes an air circulation component that forms a modular and detachable connection with the air permeable pad base; a receiving groove that matches the shape of the air circulation component is opened on one side of the air permeable pad base; and an opening that matches the position and shape of the air circulation component is correspondingly opened on the air permeable mesh cover;

[0011] The air circulation assembly includes a fan module for conveying external air to the inside of the breathable pad base for air circulation;

[0012] The air-permeable pad, the air-permeable reinforcement pad and the air-permeable mesh cover are densely provided with a plurality of ventilation holes for ventilation;

[0013] The inner side of the air-permeable pad base is integrally formed with a plurality of air guide plates that radiate from the receiving groove to the other side; the external air from the air circulation component is divided into a plurality of branches and flows into the linear air guide channel between two adjacent air guide plates;

[0014] It also includes a plurality of arc-shaped air guiding channels opened on the air guiding plate in a water wave-like manner; the arc-shaped air guiding channels and the linear air guiding channels form a cross ventilation structure, and form circulating ventilation and upward air outlet.

[0015] Preferably, the ventilation holes provided on the breathable pad and the breathable reinforcement pad correspond to the positions of the linear air guiding channel and the arc-shaped air guiding channel, thereby enhancing ventilation performance.

[0016] Preferably, a motor fixing seat for detachably connecting the air circulation component is fixedly provided at the receiving groove on one side of the air-permeable pad base;

[0017] The air circulation assembly also includes a fan housing for accommodating the fan module, a dustproof screen for preventing dust, and a fan cover at the outermost side;

[0018] The shapes of the fan housing and the motor fixing seat match each other; the fan housing is integrally embedded in the inner side of the motor fixing seat.

[0019] Preferably, a first elastic conductive connecting piece is arranged inside the motor fixing seat; and a second elastic conductive connecting piece corresponding to the first elastic conductive connecting piece and playing an electrical connection role is arranged on the side of the fan housing facing the motor fixing seat.

[0020] Preferably, at least one engaging limit groove is integrally formed on the inner side of the fan housing;

[0021] The outer side of the fan module is integrally formed with a clamping limit strip corresponding to the clamping limit groove;

[0022] When the fan module is inserted into the inner side of the fan housing, the engaging limiting strip is inserted into the engaging limiting groove, so as to limit the position of the movement of the fan module and realize precise docking.

[0023] Preferably, an elastic locking block is integrally formed on the outer side of the fan housing;

[0024] A snap-fitting hole matching the elastic snap-fitting block is provided on the motor fixing seat;

[0025] When the air circulation component is inserted into the motor fixing seat, the elastic engaging block and the engaging hole are engaged with each other to achieve stable and reliable docking.

[0026] Preferably, the air guide plate is an arc-shaped transition structure with high sides and low middle;

[0027] The air-permeable pad is an elastic pad structure made of TPE or EVA material.

[0028] Preferably, a rechargeable power supply assembly is accommodated inside the breathable pad base or a power supply connector for connecting an external power supply line is provided on the outside of the breathable pad base.

[0029] Preferably, the air circulation component is located in the middle of one side of the breathable pad base;

[0030] The breathable mesh cover is made of mesh cloth or thermoplastic elastomer material.

[0031] Preferably, a wind gathering chamber for gathering wind is provided on the inner side of the receiving groove of the breathable pad base; external air gathers at the wind gathering chamber and then flows into different linear air guide channels.

[0032] The technical effects of solving the technical problem in this application are as follows:

[0033] Compared with the prior art, the utility model provides a vehicle-mounted air circulation seat cushion by simultaneously providing an air-permeable pad 13 made of elastic material and an air-permeable mesh cover 14 wrapped around the outside of the air-permeable pad 13, further comprising an air-permeable pad base 11 for guiding wind and ventilation, and an air-permeable reinforcement pad 12 matched and connected to the upper surface of the air-permeable pad base 11 for forming a seal with the peripheral connection part, and further comprising an air circulation component 15 that forms a modular and detachable connection with the air-permeable pad base 11; a receiving groove that matches the shape of the air circulation component 15 is provided on one side of the air-permeable pad base 11; an opening 141 that matches the position and shape of the air circulation component 15 is correspondingly provided on the air-permeable mesh cover 14; the air circulation component 15 includes a fan module 152 for delivering external air to the air-permeable pad Air circulation is carried out on the inner side of the cushion base 11, and a plurality of ventilation holes for ventilation are densely provided on the breathable cushion 13, the breathable reinforcement cushion 12 and the breathable mesh cover 14. A plurality of wind guide plates 112 radiating from the accommodating groove portion toward the other side are integrally formed on the inner side of the breathable cushion base 11; external air from the air circulation component 15 portion is divided into a plurality of branches and flows into a linear wind guide channel between two adjacent wind guide plates 112, and also includes a plurality of arc-shaped wind guide channels 113 arranged on the wind guide plates 112 in a water wave-like manner; the arc-shaped wind guide channels 113 form a cross-ventilation structure with each of the linear wind guide channels, and form circulating ventilation and upward air outlet. In actual application, the internal ventilation effect of the seat cushion can be better improved and enhanced, with better heat dissipation performance and a higher experience. [Drawings]

[0034] Figure 1 The utility model is a three-dimensional structural schematic diagram of a vehicle-mounted air circulation seat cushion.

[0035] Figure 2 The utility model is a schematic diagram of the exploded state structure of a vehicle-mounted air circulation seat cushion.

[0036] Figure 3 The utility model is a schematic structural diagram of a front view state of a breathable cushion base in a vehicle-mounted air circulation seat cushion.

[0037] Figure 4 The utility model is a schematic diagram of the cross-sectional structure of a breathable cushion base in a vehicle-mounted air circulation cushion.

[0038] Figure 5 The utility model is a structural schematic diagram of the application state of a vehicle-mounted air circulation seat cushion.

[0039] In the figure: a breathable pad base 11; a motor fixing base 111; an air guide plate 112; an arc-shaped air guide channel 113; a breathable reinforcement pad 12; a breathable pad 13; a breathable mesh cover 14; an air circulation component 15; a fan housing 151; a fan module 152; a dustproof mesh plate 153; and a fan cover 154. [Specific implementation method]

[0040] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit this utility model.

[0041] See also Figures 1 to 5 The utility model provides a vehicle-mounted air circulation cushion 1, which comprises an air-permeable cushion 13 made of elastic material and an air-permeable mesh cover 14 wrapped around the outside of the air-permeable cushion 13.

[0042] It also includes a breathable pad base 11 for guiding air and ventilation, and a breathable reinforcement pad 12 matched and connected to the upper surface of the breathable pad base 11 and used to form a seal on the peripheral connection part;

[0043] It also includes an air circulation component 15 that forms a modular detachable connection with the air permeable pad base 11; a receiving groove that matches the shape of the air circulation component 15 is opened on one side of the air permeable pad base 11; and an opening 141 that matches the position and shape of the air circulation component 15 is correspondingly opened on the air permeable mesh cover 14;

[0044] The air circulation assembly 15 includes a fan module 152 for conveying external air to the inside of the breathable pad base 11 for air circulation;

[0045] The air-permeable pad 13, the air-permeable reinforcement pad 12 and the air-permeable mesh cover 14 are densely provided with a plurality of ventilation holes for ventilation;

[0046] The inner side of the breathable pad base 11 is integrally formed with a plurality of air guide plates 112 that radiate from the receiving groove to the other side; the external air from the air circulation component 15 is divided into a plurality of branches and flows into the linear air guide channel between two adjacent air guide plates 112;

[0047] It also includes a plurality of arc-shaped air guiding channels 113 opened on the air guiding plate 112 in a water wave-like manner; the arc-shaped air guiding channels 113 and the linear air guiding channels form a cross ventilation structure, and form circulating ventilation and upward air outlet.

[0048] The present application simultaneously provides an air-permeable pad 13 made of elastic material and an air-permeable mesh cover 14 wrapped around the outside of the air-permeable pad 13, and also includes an air-permeable pad base 11 for guiding air and ventilation, and an air-permeable reinforcement pad 12 matched and connected to the upper surface of the air-permeable pad base 11 and used to form a seal with the peripheral connection part, and also includes an air circulation component 15 that forms a modular and detachable connection with the air-permeable pad base 11; a receiving groove that matches the shape of the air circulation component 15 is opened on one side of the air-permeable pad base 11; an opening 141 that matches the position and shape of the air circulation component 15 is correspondingly opened on the air-permeable mesh cover 14; the air circulation component 15 includes a fan module 152 for conveying external air to the inside of the air-permeable pad base 11 for air conditioning. Air circulation, the breathable pad 13, the breathable reinforcement pad 12 and the breathable mesh cover 14 are densely provided with a number of ventilation holes for ventilation, and the inner side of the breathable pad base 11 is integrally formed with a number of wind guide plates 112 that radiate from the accommodating groove to the other side; the external air from the air circulation component 15 is divided into a number of branches and flows into the linear wind guide channel between two adjacent wind guide plates 112, and also includes a plurality of arc-shaped wind guide channels 113 that are opened on the wind guide plates 112 in a water wave-like manner; the arc-shaped wind guide channels 113 form a cross-ventilation structure with each of the linear wind guide channels, and form circulating ventilation and upward air outlet. In actual application, the internal ventilation effect of the seat cushion can be better improved and enhanced, the heat dissipation performance is better, and the experience is higher.

[0049] The present application discloses a vehicle-mounted air circulation seat cushion, belonging to the technical field of air circulation seat cushions, comprising an elastic cushion body and an air circulation component 15; the cushion body is provided with an air circulation component 15, and a plurality of air inlets and air supply guide plates are provided at the front end thereof and connected to the circulating vents;

[0050] The component is arranged in the elastic pad body, and an air inlet and an air outlet in the opposite direction of the ring are arranged at the front end; the exchange of cold and hot air is generated through the structure of the ring-shaped air supply guide plate to achieve air cooling.

[0051] The present application arranges an air circulation ventilation component on an air guide plate 112 in the cushion body, and enables the ventilation component to circulate ventilation and blow air upwards at the same time when working. In the structure of the scheme, the ventilation of the air circulation fan can exchange hot and cold air between the cushion and the contact part of the buttocks or legs, so that the user can feel cooler when sitting on it, including an elastic cushion body and an air circulation component 15;

[0052] An air circulation component 15 is provided in the cushion body, and a plurality of air inlets and air supply guide plates are provided at the front end thereof and connected to the circulation vents;

[0053] The component is arranged in the elastic pad body, and an air inlet and an annular reverse air outlet are arranged at the front end;

[0054] The ring-shaped air guide plate structure creates an exchange of hot and cold air to achieve air cooling.

[0055] In some other embodiments, the ventilation holes provided on the breathable pad 13 and the breathable reinforcement pad 12 correspond to the positions of the linear air guiding channel and the arc-shaped air guiding channel 113 to enhance ventilation performance.

[0056] In the specific technical effect part, the present application achieves air cooling by generating the exchange of cold and hot air through the structure of the annular air supply and guide plate.

[0057] A motor fixing seat 111 for detachably connecting the air circulation component 15 is fixedly provided at the receiving groove on one side of the air-permeable pad base 11;

[0058] The air circulation assembly 15 further includes a fan housing 151 for accommodating the fan module 152, a dustproof screen 153 for preventing dust, and a fan cover 154 at the outermost side.

[0059] The fan housing 151 and the motor fixing base 111 are matched in shape; the fan housing 151 is integrally embedded in the inner side of the motor fixing base 111 .

[0060] A first elastic conductive connecting piece is arranged inside the motor fixing seat 111 ; and a second elastic conductive connecting piece corresponding to the first elastic conductive connecting piece and playing an electrical connection role is arranged on the side of the fan housing 151 facing the motor fixing seat 111 .

[0061] The fan housing 151 is integrally formed with at least one locking limit groove on its inner side;

[0062] The fan module 152 is integrally formed with a locking limit strip corresponding to the locking limit groove on the outer side;

[0063] When the fan module 152 is inserted into the inner side of the fan housing 151 , the engagement limiting strip is inserted into the engagement limiting groove, so as to limit the position of the movement of the fan module 152 and realize precise docking.

[0064] The fan housing 151 is integrally formed with an elastic locking block on the outer side;

[0065] The motor fixing seat 111 is provided with a snap-fitting hole matching with the elastic snap-fitting block;

[0066] When the air circulation assembly 15 is inserted into the motor fixing seat 111 , the elastic engaging block and the engaging hole are engaged with each other to achieve stable and reliable docking.

[0067] The air guide plate 112 is an arc-shaped transition structure with high sides and low middle;

[0068] The air-permeable pad 13 is an elastic pad structure made of TPE or EVA material.

[0069] A rechargeable power supply assembly is accommodated inside the breathable pad base 11 or a power supply connector for connecting an external power supply line is provided outside the breathable pad base 11 .

[0070] The air circulation component 15 is located in the middle of one side of the air-permeable pad base 11;

[0071] The breathable mesh cover 14 is made of mesh cloth or thermoplastic elastomer material.

[0072] A wind collecting chamber 114 for collecting wind is also provided inside the receiving groove of the breathable pad base 11; external air is gathered at the wind collecting chamber 114 and then flows into different linear air guide channels.

[0073] The present application arranges an air circulation ventilation component on an air guide plate 112 in the cushion body, and enables the ventilation component to circulate ventilation and blow air upwards simultaneously when working. In this structural scheme, ventilation through the air circulation fan can enhance the exchange of hot and cold air between the seat cushion and the contact area between the buttocks or legs.

[0074] The air permeable cushion surface is combined with the upper end of the air supply and guide plate, and reaches the side wall of the ventilation duct through the through holes of the cushion body to achieve air circulation function, and the air permeable cushion surface is provided with a plurality of circular ventilation holes.

[0075] The breathable reinforcement pad 12 is made of elastic material, and the material of the air circulation cushion body is an elastomeric material, such as TPE, sponge, or thermoplastic elastomer materials such as EVA.

[0076] The breathable mesh cover 14 is a high-density breathable mesh polyester woven material, and the main body of the polyester woven material is an elastomeric material. For example, it can be a breathable mesh cloth, or a thermoplastic elastomer material such as POE; the breathable reinforcement pad 12 is an elastic material pad surface, and the main body is an elastomeric material. For example, it can be silicone, or a thermoplastic elastomer material such as POE, with a Shore durometer hardness of about 40 degrees to about 80 degrees.

[0077] The breathable reinforcement pad 12 is combined with the upper end of the air guide plate 112, and reaches the side wall of the ventilation duct through the through holes of the pad body to achieve air circulation function. The breathable pad surface is provided with multiple circular ventilation holes or other hole structures.

[0078] The technical effects of solving the technical problem in this application are as follows:

[0079] Compared with the prior art, the utility model provides a vehicle-mounted air circulation seat cushion 1 by simultaneously providing an air-permeable pad 13 made of elastic material and an air-permeable mesh cover 14 wrapped around the outside of the air-permeable pad 13, and also includes an air-permeable pad base 11 for guiding wind and ventilation, and an air-permeable reinforcement pad 12 matched and connected to the upper surface of the air-permeable pad base 11 and used to form a seal with the peripheral connection part, and also includes an air circulation component 15 that forms a modular and detachable connection with the air-permeable pad base 11; a receiving groove that matches the shape of the air circulation component 15 is provided on one side of the air-permeable pad base 11; an opening 141 that matches the position and shape of the air circulation component 15 is correspondingly provided on the air-permeable mesh cover 14; the air circulation component 15 includes a fan module 152 for conveying external air to the air-permeable pad. Air circulation is carried out on the inner side of the air cushion base 11, and a plurality of ventilation holes for ventilation are densely provided on the breathable pad 13, the breathable reinforcement pad 12 and the breathable mesh cover 14. A plurality of wind guide plates 112 radiating from the accommodating groove portion toward the other side are integrally formed on the inner side of the breathable pad base 11; external air from the air circulation component 15 portion is divided into a plurality of branches and flows into a linear wind guide channel between two adjacent wind guide plates 112, and also includes a plurality of arc-shaped wind guide channels 113 arranged on the wind guide plates 112 in a water wave-like manner; the arc-shaped wind guide channels 113 form a cross-ventilation structure with each of the linear wind guide channels, and form circulating ventilation and upward air outlet. In actual application, the internal ventilation effect of the seat cushion can be better improved and enhanced, with better heat dissipation performance and a higher experience.

[0080] The above-described implementation methods of the utility model do not constitute a limitation on the protection scope of the utility model. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the claims of the utility model.

Claims

1. A vehicle-mounted air circulation seat cushion, comprising an air-permeable cushion made of elastic material and an air-permeable mesh cover wrapped around the outside of the air-permeable cushion, characterized in that: It also includes a breathable pad base for guiding wind and ventilation, and a breathable reinforcement pad matched and connected to the upper surface of the breathable pad base and used to form a seal on the peripheral connection part; Also included is an air circulation assembly that forms a modular and detachable connection with the breathable pad base; A receiving groove matching the shape of the air circulation component is provided on one side of the air-permeable pad base; an opening matching the position and shape of the air circulation component is correspondingly provided on the air-permeable mesh cover; The air circulation assembly includes a fan module for conveying external air to the inside of the breathable pad base for air circulation; The air-permeable pad, the air-permeable reinforcement pad and the air-permeable mesh cover are densely provided with a plurality of ventilation holes for ventilation; The inner side of the air-permeable pad base is integrally formed with a plurality of air guide plates that radiate from the receiving groove to the other side; the external air from the air circulation component is divided into a plurality of branches and flows into the linear air guide channel between two adjacent air guide plates; It also includes a plurality of arc-shaped air guiding channels opened on the air guiding plate in a water wave-like manner; the arc-shaped air guiding channels and the linear air guiding channels form a cross ventilation structure, and form circulating ventilation and upward air outlet.

2. The vehicle-mounted air circulation seat cushion according to claim 1, characterized in that: The ventilation holes provided on the air-permeable pad and the air-permeable reinforcement pad correspond to the positions of the linear air-guiding channel and the arc-shaped air-guiding channel, thereby enhancing ventilation performance.

3. The vehicle-mounted air circulation seat cushion according to claim 1, characterized in that: A motor fixing seat for detachably connecting the air circulation component is fixedly provided at the receiving groove on one side of the air permeable pad base; The air circulation assembly also includes a fan housing for accommodating the fan module, a dustproof screen for preventing dust, and a fan cover at the outermost side; The shapes of the fan housing and the motor fixing seat match each other; the fan housing is integrally embedded in the inner side of the motor fixing seat.

4. The vehicle-mounted air circulation seat cushion as claimed in claim 3, characterized in that: A first elastic conductive connecting piece is arranged inside the motor fixing seat; and a second elastic conductive connecting piece corresponding to the first elastic conductive connecting piece and playing an electrical connection role is arranged on the side of the fan housing facing the motor fixing seat.

5. A vehicle-mounted air circulation seat cushion as claimed in claim 3 or 4, characterized in that: The inner side of the fan housing is integrally formed with at least one engaging limiting groove; The outer side of the fan module is integrally formed with a clamping limit strip corresponding to the clamping limit groove; When the fan module is inserted into the inner side of the fan housing, the engaging limiting strip is inserted into the engaging limiting groove, so as to limit the position of the movement of the fan module and realize precise docking.

6. A vehicle-mounted air circulation cushion as claimed in claim 3 or 4, characterized in that: The outer side of the fan housing is integrally formed with an elastic locking block; A snap-fitting hole matching the elastic snap-fitting block is provided on the motor fixing seat; When the air circulation component is inserted into the motor fixing seat, the elastic engaging block and the engaging hole are engaged with each other to achieve stable and reliable docking.

7. A vehicle air circulation seat cushion as claimed in any one of claims 1 to 3, characterized in that: The air guide plate is an arc-shaped transition structure with high sides and low middle; The air-permeable pad is an elastic pad structure made of TPE or EVA material.

8. A vehicle air circulation seat cushion as claimed in any one of claims 1 to 3, characterized in that: A rechargeable power supply component is accommodated inside the breathable pad base, or a power supply connector for connecting an external power supply line is provided outside the breathable pad base.

9. The vehicle-mounted air circulation seat cushion according to claim 1, characterized in that: The air circulation component is located in the middle of one side of the breathable pad base; The breathable mesh cover is made of mesh cloth or thermoplastic elastomer material.

10. An in-vehicle air circulation seat cushion as claimed in any one of claims 1 to 4, characterized in that: A wind gathering chamber for gathering wind is also provided on the inner side of the receiving groove of the breathable pad base; external air gathers at the wind gathering chamber and then flows into different linear air guide channels.