Ventilation airflow structure and car seat

By designing an airflow loop structure with a breathable inner wall and ventilation components in the car seat, the problem of poor airflow regulation in the seat ventilation system is solved, and air pressure balance and service life are extended.

CN116142050BActive Publication Date: 2025-09-30HEBEI AEW AUTO PARTS CO LTD
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Patent Information

Application Number
CN202211737371.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-30
Publication Date
2025-09-30
Estimated Expiration
2042-12-30

AI Technical Summary

Technical Problem

In the ventilation systems of existing car seats, the airflow adjustment components are usually located inside the foam, resulting in poor airflow, negative pressure or overpressure in the internal components of the seat, and shortened service life.

Method used

A ventilation airflow structure is designed, including an outer shell body, a load-bearing component, a ventilation component and an airflow adjustment component. The outer shell body has an inner wall made of breathable material. The ventilation component and the airflow adjustment component form an airflow loop, and the airflow is evenly distributed and adjusted through the breathable component and the vents.

Benefits of technology

It achieves the balance of air pressure inside the seat, enhances the smoothness of air flow regulation, and extends the service life of the seat.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application provides a ventilation airflow structure and a car seat, comprising: a shell body, the shell body having a first inner wall and a second inner wall along a first direction, and a first space therein; the shell body being made of a breathable material on the side close to the first inner wall; a load-bearing component, the load-bearing component being arranged in the first space, close to the first inner wall side, and forming a first cavity between the load-bearing component and the second inner wall away from the first inner wall side; the external air of the shell body enters the first cavity through the ventilation component, and the air in the first cavity flows out to the outside of the shell body through the ventilation component; an airflow regulating component, the airflow regulating component being arranged in the first cavity, and the outside of the shell body, the ventilation component, the first cavity, and the airflow regulating component forming an airflow loop; the airflow regulating component of this solution is arranged in the first cavity, so that the air pressure inside the first cavity of the seat is maintained in a balanced state, the ventilation effect is better, and the service life of the airflow regulating component is increased.
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Description

Technical Field

[0001] The present application relates to the technical field of seat ventilation, and in particular to a ventilation airflow structure and a car seat. Background Art

[0002] With the development of the economy, cars have become an indispensable means of transportation for people and have entered every family. People's requirements for cars are also gradually increasing. As an important component inside the car, car seats have also increased people's requirements for them. They are no longer satisfied with just the bearing function. Seat heating and seat ventilation have gradually entered people's lives.

[0003] In the existing technology, seat ventilation usually consists of a ventilation area specially set in the seat and the seat gap to form an air flow circuit. However, the seat gap is usually small after processing, and the air flow adjustment component is usually set in the foam, which makes gas circulation more difficult, causing the internal components of the seat to operate under negative pressure or overpressure, shortening its service life. Summary of the Invention

[0004] In view of the above-mentioned defects or deficiencies in the prior art, the present application aims to provide a ventilation airflow structure and a car seat.

[0005] In a first aspect, the present application proposes a ventilation airflow structure, comprising:

[0006] A shell body, wherein the shell body has a first inner wall and a second inner wall along a first direction, and a first space is defined therein; the first inner wall is made of a breathable material;

[0007] a bearing assembly, the bearing assembly being disposed in the first space and close to the first inner wall, and forming a first cavity between the bearing assembly and the second inner wall, away from the first inner wall;

[0008] a ventilation assembly, the ventilation assembly being disposed within the bearing assembly and being used to connect the first cavity with the outside of the outer shell body; air from the outside of the outer shell body enters the first cavity through the ventilation assembly, and air in the first cavity flows out to the outside of the outer shell body through the ventilation assembly;

[0009] An airflow regulating component is disposed in the first cavity; the outside of the shell body, the ventilation component, the first cavity, and the airflow regulating component form an airflow loop.

[0010] According to the technical solution provided in the embodiment of the present application, the ventilation component includes a first breathable component arranged on the side of the supporting component close to the second inner wall, and a plurality of first air holes arranged in the supporting component along the second direction, one end of the first air hole is connected to the first breathable component, and the other end is connected to the first inner wall, the second direction is perpendicular to the first direction, and the first breathable component is connected to the airflow adjustment component; the ventilation component also includes a plurality of second air holes arranged on both sides of all the first air holes along the second direction, one end of the second air hole is connected to the first cavity, and the other end is connected to the first inner wall.

[0011] According to the technical solution provided in the embodiment of the present application, when the airflow adjustment component is a suction component, the gas outside the outer shell body enters the first breathable component through the first vent, then enters the airflow adjustment component, passes through the airflow adjustment component, enters the first cavity, and is discharged to the outside of the outer shell body through the second vent.

[0012] According to the technical solution provided in the embodiment of the present application, when the airflow regulating component is a blowing component, the airflow regulating component is connected to the first breathable component; the external air of the outer shell body enters the first cavity through the second air vent, and the airflow regulating component absorbs the gas in the first cavity, transfers it to the first breathable component, and discharges it to the outside of the outer shell body through the first air vent.

[0013] According to the technical solution provided in the embodiment of the present application, the carrying component is provided with a first groove near the first cavity side, and the first breathable component is provided in the first groove.

[0014] According to the technical solution provided in the embodiment of the present application, the supporting component is provided with a second groove and / or a third groove provided at at least one end of the second groove on the side away from the first cavity, a second breathable component is provided in the second groove, one end of the first breathable hole is connected to the first breathable component, and the other end is connected to the second breathable component; a third breathable component is provided in the third groove, one end of the second breathable hole is connected to the first cavity, and the other end is connected to the third breathable component.

[0015] According to the technical solution provided in the embodiment of the present application, the opening area of ​​the second vent hole close to the first inner wall side is larger than the opening area of ​​the first cavity side.

[0016] According to the technical solution provided in the embodiment of the present application, a first supporting assembly is provided on the side of the second vent hole close to the first inner wall.

[0017] In a second aspect, the present application further proposes a car seat as described above, comprising a seat backrest, wherein the backrest has the ventilation airflow structure as described above.

[0018] According to the technical solution provided in the embodiment of the present application, the second ventilation holes are opened at the junction of the seat cushion and the backrest and / or the shoulder and neck parts of the backrest and / or the side wings of the backrest, etc., which are difficult for the occupant's body to be covered.

[0019] In summary, the present application proposes a ventilation airflow structure and a car seat, wherein the ventilation airflow structure includes an outer shell body having a first inner wall and a second inner wall, the outer shell body having a first space inside, a load-bearing component provided in the first space, a ventilation component provided inside the load-bearing component, the load-bearing component and the second inner wall forming a first cavity, an airflow regulating component provided in the first cavity, and the first inner wall side being made of a breathable material; the airflow regulating component can drive the gas from the outside of the outer shell body through the ventilation component into the first cavity, and flow out through the ventilation component to the outside of the outer shell body to form a loop; the airflow regulating component of this scheme is arranged in the first cavity, so that the air pressure inside the first cavity of the seat is maintained in a balanced state, the ventilation effect is better, and the service life of the airflow regulating component is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic structural diagram of a seat with a ventilation structure (air suction component) provided in an embodiment of the present application;

[0021] Figure 2 A schematic structural diagram of a seat with a ventilation structure (blowing component) provided in an embodiment of the present application;

[0022] Figure 3 A partially enlarged view of the second ventilation hole provided in an embodiment of the present application;

[0023] Figure 4 A front view of a car seat provided in an embodiment of the present application;

[0024] Figure 5 A side view of a car seat provided in an embodiment of the present application.

[0025] The text annotations in the figure represent:

[0026] 1. Shell body; 11. First inner wall; 12. Second inner wall; 2. Load-bearing assembly; 3. Ventilation assembly; 31. First vent; 32. Second vent; 321. First supporting assembly; 33. First breathable assembly; 34. Second breathable assembly; 35. Third breathable assembly; 4. Airflow adjustment assembly; 41. First connecting piece; 42. Fixing device; 43. Blowing pipe; 5. First cavity; 6. Breathable surface layer; 7. Backrest. DETAILED DESCRIPTION

[0027] The present application will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely for the purpose of explaining the relevant invention and are not intended to limit the invention. It should also be noted that, for ease of description, only portions relevant to the invention are shown in the accompanying drawings.

[0028] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0029] Example 1

[0030] As mentioned in the background technology, in order to solve the problems in the prior art, this application proposes a ventilation airflow structure, including:

[0031] The housing body 1 has a first inner wall 11 and a second inner wall 12 along a first direction, and has a first space therein; the first inner wall 11 is made of a breathable material;

[0032] A carrying assembly 2 is provided in the first space, close to the first inner wall 11 , and a first cavity 5 is formed between the carrying assembly 2 and the second inner wall 12 , away from the first inner wall 11 ;

[0033] a ventilation assembly 3, the ventilation assembly 3 being disposed within the bearing assembly 2 and being used to connect the first cavity 5 with the outside of the housing body 1. The outside air of the housing body 1 enters the first cavity 5 through the ventilation assembly 3, and the air in the first cavity 5 flows out to the outside of the housing body 1 through the ventilation assembly 3;

[0034] The airflow regulating component 4 is arranged in the first cavity 5. The outside of the shell body 1, the ventilation component 3, the first cavity 5, and the airflow regulating component 4 form an airflow loop.

[0035] In some specific scenarios, please refer to Figure 1The shell body 1 shown is a rectangular structure, and the first inner wall 11 is made of breathable material; the bearing assembly 2 can be adjusted according to the design needs of the seat; wherein the first direction is the horizontal direction; the shell body 1 includes a first inner wall 11 close to the human body side and a second inner wall 12 away from the human body side, a first connecting surface and a second connecting surface connecting the first inner wall 11 and the second inner wall 12 distributed along the vertical direction, and a third connecting surface and a fourth connecting surface connecting the first inner wall 11 and the second inner wall 12 distributed along the horizontal direction; optionally, the first inner wall 11 is entirely The first inner wall 11 is made of breathable material to ensure that the air flow circuit is unobstructed and the riding comfort of the human body is increased; the first inner wall 11 can also be designed by combining the breathable material and the airtight material, the airtight material is dispersed in a small area, the breathable material is connected to the airtight material, and the area occupied by the breathable material is larger than the area occupied by the airtight material. Taking the leather car seat back as an example, the first inner wall 11 is composed of perforated leather and non-perforated leather staggered together; the first connecting surface, the second connecting surface, the third connecting surface and the fourth connecting surface can be breathable material or airtight material.

[0036] To sum up, the airflow adjustment component 4 can drive the gas from the outside of the outer shell body 1 through the ventilation component 3 into the first cavity 5, and flow out through the ventilation component 5 to the outside of the outer shell body 1 to form a loop; the airflow adjustment component 4 of this scheme is arranged in the first cavity 5, so that the air pressure inside the first cavity 5 of the seat is maintained in a balanced state, the ventilation effect is better, and the service life of the airflow adjustment component 4 is increased.

[0037] In a preferred embodiment, the ventilation assembly 3 includes a first air permeable assembly 33 provided on the side of the carrying assembly 2 close to the second inner wall 12, and a plurality of first air holes 31 provided in the carrying assembly 2 along the second direction, wherein one end of the first air permeable assembly 31 is connected to the first air permeable assembly 33 and the other end is connected to the first inner wall 11, the second direction is perpendicular to the first direction, and the first air permeable assembly 33 is connected to the airflow adjustment assembly 4; the ventilation assembly 3 also includes a plurality of second air holes 32 provided on both sides of all the first air holes 31 along the second direction, wherein one end of the second air holes 32 is connected to the first cavity 5 and the other end is connected to the first inner wall 11;

[0038] Please refer to Figure 1In the ventilation component 3 shown, the second direction is the vertical direction, the extension direction of the first air vent 31 and the second air vent 32 is the horizontal direction, the air flow directions in the first air vent 31 and the second air vent 32 are opposite, and the first air vent 31 is evenly distributed inside the supporting component 2; optionally, the material of the first breathable component 33 can be a three-dimensional knitted mesh or a ventilation bag, or it can be a foam ventilation groove structure.

[0039] In a preferred embodiment, when the air flow regulating component 4 is a suction component, the air outside the housing body 1 enters the first breathable component 33 through the first vent hole 31, then enters the air flow regulating component 4, passes through the air flow regulating component 4, enters the first cavity 5, and is discharged to the outside of the housing body 1 through the second vent hole 32;

[0040] In some specific scenarios, please refer to Figure 1 The airflow adjustment component 4 shown in the figure, the suction component is a fan, and the fan is provided with a first connecting member 41 in the vertical direction close to the side of the supporting component 2. One end of the first connecting member 41 is fixed to the fan, and the other end is fixed to the supporting component 2. The fan can drive the gas into the first vent 31.

[0041] In a preferred embodiment, when the airflow regulating component 4 is a blowing component, the airflow regulating component 4 is connected to the first breathable component 33; the external air of the housing body 1 enters the first cavity 5 through the second vent 32, and the airflow regulating component 4 absorbs the air in the first cavity 5, transfers it to the first breathable component 33, and discharges it to the outside of the housing body 1 through the first vent 31;

[0042] In some specific scenarios, please refer to Figure 2 The blowing component shown is a fan; optionally, a fixing device 42 is provided on the fan near the first ventilation component 33, and the fixing device 42 is used to achieve fixed connection between the fan and the seat, and the fan is provided on the side away from the first ventilation component 33. The blowing pipe 43 is used to evenly distribute the gas blown out by the airflow adjustment component 4 to the first ventilation component 33, and evenly discharge the gas through the first vent 31; the fan may also be provided with a first connecting member 41 in the vertical direction near the support component 2, one end of the first connecting member 41 is fixed to the fan, and the other end is fixed to the support component 2, and the fan can drive the gas in the first cavity 5 to enter the first vent 31 for discharge. Specifically, other components that can realize the connection between the airflow adjustment component 4 and the first ventilation component can replace the blowing pipe 43.

[0043] In a preferred embodiment, the carrying component 2 is provided with a first groove near the first cavity 5, and the first breathable component 33 is provided in the first groove;

[0044] Optional, please refer to Figure 2 The first groove shown is a rectangular groove, and can also be designed into other shapes according to the specific structure of the seat.

[0045] In a preferred embodiment, the carrier component 2 is provided with a second groove on a side away from the first cavity 5 and / or a third groove provided at at least one end of the second groove, a second breathable component 34 is provided in the second groove, one end of the first breathable hole 31 is communicated with the first breathable component 33, and the other end is communicated with the second breathable component 34; a third breathable component 35 is provided in the third groove, one end of the second breathable hole 32 is communicated with the first cavity 5, and the other end is communicated with the third breathable component 35;

[0046] In some specific scenarios, please refer to Figure 2 The second groove and the third groove shown in the figure can be designed in shape according to the requirements of the seat; optionally, the supporting component 2 includes the second groove and the third groove, or the supporting component 2 includes the second groove and the third groove at the same time, or only one of the second groove and the third groove exists in the supporting component 2; the second groove and the third groove can be connected to each other or there can be a gap between them;

[0047] Optional, please refer to Figure 2 The second breathable component 34 and the third breathable component 35 shown in the figure can be made of the three-dimensional knitted mesh, or the ventilation bag, or the foam ventilation groove structure; the second breathable component 34 and the third breathable component 35 are used to ensure that the gas entering and exiting the first shell 1 is more uniform.

[0048] In a preferred embodiment, the opening area of ​​the second vent hole 32 close to the first inner wall 11 is larger than the opening area of ​​the first cavity 5;

[0049] Please refer to Figure 3 The second vent hole 32 shown has a larger opening close to the first inner wall 11 to ensure that the gas can flow smoothly in and out of the second vent hole, avoiding the problem of slow gas circulation caused by too small an opening.

[0050] In a preferred embodiment, a first supporting assembly 321 is provided on the side of the second vent hole 32 close to the first inner wall 11;

[0051] In some specific scenarios, please refer to Figure 3 The first support component 321 shown is made of a breathable material and is used to prevent skin collapse at the location where the inner diameter of the second ventilation hole 32 is larger.

[0052] Example 2:

[0053] The same implementation as Example 1 is not described here in detail. The difference between this embodiment and Example 1 is that: a car seat includes a seat back 7, wherein the back 7 has the ventilation airflow structure as claimed in claim 7;

[0054] In certain specific scenarios, the ventilation component 3 in the backrest 7 includes the first air permeable component 33, the first air vent 31, and the second air vent 32. Driven by the suction of the fan, the gas directly enters the first air vent 31 from the outside of the shell body 1, passes through the first air permeable component 33, enters the first cavity 5, and then flows out through the second air vent 32; or driven by the blowing of the fan, the gas enters the first air permeable component 33 from the first cavity 5, flows out through the first air vent 31, and the external air of the shell body 1 enters the first cavity 5 through the second air vent 32.

[0055] Optionally, the ventilation component 3 in the backrest 7 includes the second air-permeable component 34, the third air-permeable component 35, the first air vent 31, and the second air vent 32. Driven by the suction of the fan, the gas enters the first air vent 31 from outside the shell body 1 through the second air-permeable component 34 and then enters the first cavity 5. The gas in the first cavity 5 enters the second air vent 32 and flows out through the third air-permeable component 35. Alternatively, driven by the blowing of the fan, the gas enters the first air vent 31 from the first cavity 5 and flows out through the second air-permeable component 34. The gas outside the shell body 1 enters the second air vent 32 through the third air-permeable component 35 and finally enters the first cavity 5.

[0056] Alternatively, the ventilation component 3 in the backrest 7 includes the first breathable component 33, the second breathable component 34, the third breathable component 35, the first vent 31, and the second vent 32, and the gas passes through the first breathable component 33, the second breathable component 34, and the third breathable component 35 when circulating in an airflow loop.

[0057] Please refer to Figure 4 and Figure 5In the car seat cushion 6 and backrest 7 shown in the figure, the first ventilation holes 31 are distributed in the middle of the backrest 7, occupying a larger area, and mainly acting on the back of the passenger. The second ventilation holes 32 are distributed on the left and right side wings of the backrest 7 away from the middle, where the passenger's shoulders and neck meet the junction of the seat cushion and backrest 7.

[0058] In a preferred embodiment, the second ventilation holes 32 are provided at the junction of the seat cushion and the backrest 7 and / or the neck and / or side wings of the backrest 7 , etc., which are difficult for the occupant's body to be covered.

[0059] Please refer to Figure 4 The second ventilation hole 32 is generally provided in an area that is difficult for the human body to cover, so as to prevent the human body from covering the second ventilation hole 32 and affecting the airflow circuit; the gas circulates through the first cavity 5 and the first breathable component 33 and / or the second breathable component 34 and the third breathable component 35, thereby reducing the noise generated by the gas circulation and increasing the comfort of the human body;

[0060] In certain specific scenarios, a breathable surface layer 6 is further provided between the second breathable component 34 and the first inner wall 11 and between the third breathable component 35 and the first inner wall 11. The second breathable component 34, the third breathable component 35 and the breathable surface layer 6 ensure that the wind speed blowing towards the human body is more stable, thereby increasing the comfort of the human body.

[0061] This article uses specific examples to illustrate the principles and implementation methods of this application. The description of the above embodiments is only used to help understand the method and core ideas of this application. The above is only the preferred implementation method of this application. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can also make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the scope of protection of this application.

Claims

1. A ventilation airflow structure, characterized in that: include: A shell body (1), wherein the shell body (1) has a first inner wall (11) and a second inner wall (12) along a first direction, and has a first space therein; the first inner wall (11) is made of a breathable material; A bearing assembly (2), the bearing assembly (2) being arranged in the first space on a side close to the first inner wall (11), and forming a first cavity (5) between the side of the bearing assembly (2) away from the first inner wall (11) and the second inner wall (12); A ventilation assembly (3), wherein the ventilation assembly (3) is arranged in the bearing assembly (2), and the ventilation assembly (3) is used to connect the first cavity (5) and the outside of the shell body (1), and the external air of the shell body (1) enters the first cavity (5) through the ventilation assembly (3), and the air in the first cavity (5) flows out to the outside of the shell body (1) through the ventilation assembly (3); the ventilation assembly (3) includes a plurality of first vents (31) arranged in the bearing assembly (2) along a second direction, and the first vents (31) are connected to the first inner wall (11); the ventilation assembly (3) also includes a plurality of second vents (32) arranged on both sides of all the first vents (31) along the second direction, and one end of the second vents (32) is connected to the first cavity (5) and the other end is connected to the first inner wall (11), and the second direction is perpendicular to the first direction; The second vent hole (32) is provided at the junction of the seat cushion and the backrest; The opening area of ​​the second vent hole (32) close to the first inner wall (11) is larger than the opening area of ​​the first cavity (5); A first support component (321) is provided on the side of the second vent hole (32) close to the first inner wall (11), and the first support component (321) is used to prevent the skin from collapsing at a portion where the inner diameter of the second vent hole (32) is larger; An airflow regulating component (4) is provided in the first cavity (5), and an airflow loop is formed by the outside of the housing body (1), the ventilation component (3), the first cavity (5), and the airflow regulating component (4).

2. The ventilation airflow structure according to claim 1, characterized in that: The ventilation assembly (3) comprises a first air permeable assembly (33) provided on the side of the bearing assembly (2) close to the second inner wall (12); one end of the first air vent (31) is in communication with the first air permeable assembly (33), and the other end is in communication with the first inner wall (11); the first air permeable assembly (33) is in communication with the airflow regulating assembly (4).

3. The ventilation airflow structure according to claim 2, characterized in that: When the air flow regulating component (4) is an air suction component, the air outside the shell body (1) enters the first breathable component (33) through the first vent hole (31), then enters the air flow regulating component (4), passes through the air flow regulating component (4), then enters the first cavity (5), and is then discharged to the outside of the shell body (1) through the second vent hole (32).

4. The ventilation airflow structure according to claim 2, characterized in that: When the air flow regulating component (4) is a blowing component, the external air of the shell body (1) enters the first cavity (5) through the second vent hole (32), and the air flow regulating component (4) absorbs the air in the first cavity (5), transfers it to the first breathable component (33), and discharges it to the outside of the shell body (1) through the first vent hole (31).

5. The ventilation airflow structure according to any one of claims 2 to 4, characterized in that: The bearing component (2) is provided with a first groove on a side close to the first cavity (5), and the first breathable component (33) is provided in the first groove.

6. The ventilation airflow structure according to claim 5, characterized in that: The bearing component (2) is provided with a second groove and / or a third groove provided at at least one end of the second groove on the side away from the first cavity (5); a second breathable component (34) is provided in the second groove; one end of the first breathable hole (31) is communicated with the first breathable component (33) and the other end is communicated with the second breathable component (34); a third breathable component (35) is provided in the third groove; one end of the second breathable hole (32) is communicated with the first cavity (5) and the other end is communicated with the third breathable component (35).

7. The ventilation airflow structure according to claim 5, wherein the second ventilation holes (32) are provided in the shoulder and neck areas of the backrest and / or the side wings of the backrest where the occupant's body is difficult to be covered.

8. A car seat, characterized in that: It comprises a backrest (7), wherein the backrest (7) has the ventilation airflow structure according to claim 6.

Citation Information

Patent Citations

  • Motor vehicle seat for motor vehicle, has surface, particularly seat- and rest surface facing vehicle occupant, and blower, where air intake and air discharge exclusively takes place over surface facing vehicle occupant

    DE102012006074A1