Seat ventilation structure and seat

Abstract

The utility model relates to the technical field of ventilation, in particular to a seat ventilation structure and a seat. The seat ventilation structure comprises seat foam, a 3D grid and a connecting layer, the seat foam is provided with an air guide channel and a first containing groove, the air guide channel communicates with the first containing groove, and the 3D grid is arranged in the first containing groove; the 3D grid is used for distributing air entering the first containing groove into the first containing groove. The connecting layer comprises a connecting layer main body connected with the connecting layer main body and a connecting part connected to the outer edge of the connecting layer main body, the connecting layer main body abuts against the 3D grid, and the connecting part is fixedly connected to the seat foam to limit the position of the 3D grid; a through hole is formed in the connecting layer body and used for being communicated between the first containing groove and an airflow channel of soft cotton of the seat. According to the utility model, a wind bag is not needed, and the installation of the 3D grid is realized by only one connecting layer, so that the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to ventilation technical field, especially a seat ventilation structure and seat. BACKGROUND

[0002] With the continuous improvement of people's life quality, the requirement of automobile ride comfort is also higher and higher, wherein, the ventilation of automobile seat is an important factor influencing the comfort of automobile seat, when the ventilation structure is arranged to the automobile seat, the 3D grid (commonly known as extra-thick sandwich mesh, also called 3D material, 3D mesh or 3D spacer fabric) is usually used to receive the wind transmitted from the foam of seat, and the wind is uniformly transported to the soft wind channel of seat through the 3D grid.

[0003] In the prior art, when the 3D grid is connected with the foam of seat, the 3D grid is usually installed in the wind bag, and then the wind bag is fixed on the foam of seat to realize the installation of 3D grid, the wind bag is usually formed by two connecting layers through the fusion process, so that the production cost of wind bag is higher, and the cost of the method of fixing 3D grid through wind bag is also higher. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem that: in view of the problem of high cost of the method of fixing 3D grid in the prior art, provide a seat ventilation structure and seat.

[0005] To solve the above technical problem, on the one hand, the utility model embodiment provides a seat ventilation structure, including seat foam, 3D grid and connecting layer, the seat foam is equipped with air guide channel and first containing groove, the air guide channel is connected with the first containing groove, the 3D grid is located in the first containing groove;

[0006] The 3D grid is used to distribute the wind in the first containing groove;

[0007] The connecting layer includes the connecting layer main body and the connecting portion connected at the outer edge of the connecting layer main body, the connecting layer main body abuts the 3D grid, and the connecting portion is fixedly connected on the seat foam to limit the position of the 3D grid;

[0008] The connecting layer main body is provided with a through hole, and the through hole is used to communicate between the first containing groove and the soft air flow channel of seat.

[0009] Optionally, the thickness of the 3D mesh is greater than the depth of the first accommodating groove, and the side of the 3D mesh away from the seat foam exposes the top surface of the first accommodating groove. The 3D mesh, also known as a thick sandwich mesh, is also called a 3D material, a 3D mesh, or a 3D spacer fabric. It is a new type of pure fabric material with good air permeability, elasticity, and support. It is often used in industries such as mattresses, pillows, and car seat cushions that require good elasticity and permeability. In this embodiment, part of the structure of the 3D mesh protrudes outside the first accommodating groove, and the connecting part can make the connecting layer body closely fit the 3D mesh when fixedly connected with the seat foam. The connecting layer body limits the position of the 3D mesh, so that the 3D mesh does not shake, and abnormal noise can be avoided. In the prior art, the 3D mesh is directly bonded to the seat foam by double-sided tape to fix the 3D mesh. However, the 3D mesh is a mesh structure, and the double-sided tape cannot be attached. It is easy to shift, and when loaded, the 3D mesh is compressed. The double-sided tape may stick to the material above the mesh, causing sticking noise. The device limits the position of the 3D mesh by fixing the connecting part with the seat foam, so that the connecting part and the seat foam do not move relative to each other, increasing the stability of the structure.

[0010] Optionally, the seat ventilation structure further comprises an adhesive layer, and the adhesive layer is bonded between the connecting part and the seat foam. In this embodiment, the adhesive layer is double-sided tape, the connecting part is integrally formed with the connecting layer body, and the connecting layer body and the connecting part are made of the same material, including at least one of a TPU film and a non-woven fabric. In the prior art, the 3D mesh is directly bonded to the seat foam by double-sided tape to fix the 3D mesh. However, the 3D mesh is a mesh structure, and the double-sided tape cannot be attached. It is easy to shift, and when loaded, the 3D mesh is compressed. The double-sided tape may stick to the material above the mesh, causing sticking noise. The device limits the position of the 3D mesh by fixing the connecting part with the seat foam, so that the connecting part and the seat foam do not move relative to each other, increasing the stability of the structure, and avoiding the abnormal noise in the prior art.

[0011] Optionally, the difference between the thickness of the 3D mesh and the depth of the first accommodating groove is greater than or equal to the thickness of the adhesive layer. In this embodiment, the difference between the thickness of the 3D mesh and the depth of the first accommodating groove is slightly greater than the thickness of the adhesive layer, so that the 3D mesh is continuously subjected to the abutting force of the connecting layer body and does not shake, avoiding abnormal noise.

[0012] Optionally, the seat foam is further provided with a second accommodating groove, the first accommodating groove and the second accommodating groove are communicated, the first accommodating groove and the second accommodating groove are square, the extending direction of the first accommodating groove is same as the extending direction of the second accommodating groove, the cross-sectional area of the second accommodating groove is greater than the cross-sectional area of the first accommodating groove in the direction perpendicular to the extending direction of the first accommodating groove, and the connecting layer is arranged in the second accommodating groove.

[0013] Optionally, the seat ventilation structure further comprises a fastener, the connecting part is provided with a mounting hole, and the fastener is mounted in the mounting hole and used for fixing the connecting part on the seat foam. In the embodiment, instead of the adhesive layer, the device realizes the fixation of the connecting layer through the fastener, and the fastener can be a C-shaped nail or a plastic snap pin. In other embodiments, the connecting layer is provided with the mounting hole and is connected with the adhesive layer.

[0014] Optionally, the seat foam is internally provided with a plurality of the through holes, the plurality of the through holes are spaced from each other, and each of the through holes is communicated with the first accommodating groove. In the embodiment, the air can be rapidly transmitted to each position on the seat.

[0015] Optionally, the first accommodating groove is square, and the groove wall of the first accommodating groove is attached to the bottom surface and the side surface of the 3D grid. In the embodiment, the 3D grid is closely mounted in the first accommodating groove, and the 3D grid can be prevented from shaking in the first accommodating groove and from generating an abnormal sound.

[0016] Optionally, the seat ventilation structure further comprises a fan, and the ventilation port of the fan is communicated with the air guide channel.

[0017] The seat ventilation structure provided by the embodiment of the utility model, through fixing the connecting part on the seat foam and making the connecting layer body abut against the 3D grid, the position of the 3D grid is limited, when the fan works, the airflow enters into the first containing groove through the ventilation port and the air guide channel of the fan in turn, the 3D grid makes the wind in the first containing groove distribute uniformly, then enters into the through hole of the connecting layer body, and enters into the soft cotton of the seat through the through hole, finally blows to the required position of the seat, the ventilation property of the corresponding position of the seat is ensured, the existing wind bag is formed by two connecting layers through the fusion process, through loading the 3D grid into the wind bag, the installation of the 3D grid is realized through the fixation of the wind bag, simultaneously, the fusion edge of the existing wind bag is generally hard, the seat foam is easily scratched, in the process of transporting the wind, the scratch noise is also easily produced, the wind bag is not needed in the embodiment, only one connecting layer is needed to realize the installation of the 3D grid, the fusion process is not needed for the parts of the ventilation structure, simultaneously, the wind bag is connected together by the upper and lower connecting layers, and the fixation of the 3D grid is completed only by one connecting layer in the application, the material of the connecting layer is saved, the cost is reduced, and the scratch noise is avoided.

[0018] In another aspect, the utility model provides a kind of seat, including seat body, soft cotton and above-mentioned seat ventilation structure, the seat foam and the soft cotton are all arranged on the seat body, airflow channel is arranged in the soft cotton, and the airflow channel is communicated with the first containing groove by the through hole. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the internal structure schematic view of the seat ventilation structure provided by the embodiment of the utility model;

[0020] Figure 2 It is the internal structure schematic view of the seat ventilation structure provided by another embodiment of the utility model;

[0021] Figure 3 It is the internal structure schematic view of the seat ventilation structure provided by another embodiment of the utility model;

[0022] Figure 4 It is the schematic view of the seat after part structure removal provided by another embodiment of the utility model;

[0023] Figure 5 It is Figure 4 The explosion diagram of

[0024] The reference signs in the specification are as follows:

[0025] 1. Seat foam; 2. 3D mesh; 3. Connecting layer; 4. Air duct; 5. First receiving groove; 6. Adhesive layer; 7. Second receiving groove; 8. Fastener; 9. Fan; 10. Soft cotton; 31. Main body of connecting layer; 32. Connecting part; 61. Receiving cavity; 101. Airflow channel; 311. Through hole. Detailed Implementation

[0026] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0027] like Figures 1 to 5 As shown, an embodiment of the present invention provides a seat ventilation structure, including seat foam 1, 3D mesh 2 and connecting layer 3. The seat foam 1 is provided with air guide channel 4 and first receiving groove 5, the air guide channel 4 and the first receiving groove 5 are connected, and the 3D mesh 2 is disposed in the first receiving groove 5.

[0028] 3D mesh 2 is used to distribute the air entering the first receiving tank 5 within the first receiving tank 5;

[0029] The connecting layer 3 includes a connected connecting layer body 31 and a connecting part 32 connected to the outer edge of the connecting layer body 31. The connecting layer body 31 abuts against the 3D mesh 2, and the connecting part 32 is fixedly connected to the seat foam 1 to define the position of the 3D mesh 2.

[0030] The connecting layer body 31 has a through hole 311, which connects the first receiving groove 5 to the airflow channel 101 of the seat cushion 10. In this embodiment, the through hole 311 extends through the connecting layer body 31 along its thickness direction. By using a single-layer connecting layer 3 to fix the 3D mesh 2, the manufacturing cost is significantly reduced compared to traditional double-layer airbags or other complex fixing methods.

[0031] In an embodiment, the thickness of the 3D grid 2 is greater than the depth of the first accommodating groove 5, and the side of the 3D grid 2 away from the seat foam 1 exposes the top surface of the first accommodating groove 5. The 3D grid 2, also known as a thick sandwich mesh, 3D material, 3D mesh or 3D spacer fabric, is a new type of pure fabric material with good air permeability, elasticity and support, which is often used in industries such as mattresses, pillows and car seat cushions that require good elasticity and permeability. In this embodiment, part of the structure of the 3D grid 2 protrudes outside the first accommodating groove 5, and when the connecting part 32 is fixedly connected with the seat foam 1, the connecting layer body 31 can be closely attached to the 3D grid 2, so that the connecting layer body 31 limits the position of the 3D grid 2, so that the 3D grid 2 cannot shake and abnormal noise can be avoided. In the prior art, the 3D grid 2 is directly bonded to the seat foam 1 by double-sided adhesive to fix the 3D grid 2, but the 3D grid 2 is a mesh structure, the double-sided adhesive cannot be attached, and it is easy to shift. When the load is applied, the 3D grid 2 is compressed, the double-sided adhesive may be stuck to the material above the grid, resulting in abnormal noise. The device limits the position of the 3D grid 2 by the fixed connection of the connecting part 32 and the seat foam 1, so that the connecting part 32 and the seat foam 1 do not have relative movement, thereby increasing the stability of the structure.

[0032] In an embodiment, the seat ventilation structure further comprises an adhesive layer 6 bonded between the connecting part 32 and the seat foam 1. In this embodiment, the adhesive layer 6 is double-sided adhesive, the connecting part 32 is integrally formed with the connecting layer body 31, and the materials of the connecting layer body 31 and the connecting part 32 can be the same or different. The connecting layer body 31 comprises at least one of a TPU film and a non-woven fabric. In the prior art, the 3D grid 2 is directly bonded to the seat foam 1 by double-sided adhesive to fix the 3D grid 2, but the 3D grid 2 is a mesh structure, the double-sided adhesive cannot be attached, and it is easy to shift. When the load is applied, the 3D grid 2 is compressed, the double-sided adhesive may be stuck to the material above the grid, resulting in abnormal noise. The device limits the position of the 3D grid 2 by the fixed connection of the connecting part 32 and the seat foam 1, so that the connecting part 32 and the seat foam 1 do not have relative movement, thereby increasing the stability of the structure and avoiding the abnormal noise in the prior art.

[0033] In an embodiment, the adhesive layer 6 is in a ring structure, the outer edge of the adhesive layer 6 is closed, and the inner part of the outer edge of the adhesive layer is provided with a accommodating cavity 61, and the 3D grid is located in the accommodating cavity 61. In this embodiment, the upper and lower sides of the adhesive layer 6 have adhesive properties, and the inner wall of the accommodating cavity 61 does not have adhesive properties. The adhesive layer 6 is in a square structure, and by reasonably designing the shape and size of the accommodating cavity 61, the space can be maximally utilized to accommodate the 3D grid 2, which can assist in limiting the 3D grid, thereby improving the overall space utilization.

[0034] In an embodiment, the difference between the thickness of the 3D grid 2 and the depth of the first accommodating groove 5 is greater than or equal to the thickness of the bonding layer 6. In this embodiment, the difference between the thickness of the 3D grid 2 and the depth of the first accommodating groove 5 is slightly greater than the thickness of the bonding layer 6, so that the 3D grid 2 is continuously subjected to the abutting force of the connecting layer body 31 and does not shake, thereby avoiding abnormal sound.

[0035] In an embodiment, the seat foam 1 is further provided with a second accommodating groove 7, the first accommodating groove 5 and the second accommodating groove 7 are communicated, the first accommodating groove 5 and the second accommodating groove 7 are both square, the extension direction of the first accommodating groove 5 is the same as that of the second accommodating groove 7, the cross-sectional area of the second accommodating groove 7 in the direction perpendicular to the extension direction of the second accommodating groove 7 is greater than that of the first accommodating groove 5, and the connecting layer 3 is arranged in the second accommodating groove 7. In this embodiment, the cross-sectional area of the second accommodating groove 7 in the direction perpendicular to the extension direction of the second accommodating groove 7 is greater than that of the first accommodating groove 5, so that the connecting layer 3 has more space for arrangement and fixation in the second accommodating groove 7. The contact area between the connecting layer 3 and the seat foam 1 can be increased, and the connecting layer 3 can be more effectively and stably fixed on the seat foam 1, thereby enhancing the stability of the entire seat ventilation structure.

[0036] In an embodiment, the seat ventilation structure further comprises a fastener 8, the connecting part 32 is provided with a mounting hole, and the fastener 8 is mounted in the mounting hole and used for fixing the connecting part 32 on the seat foam 1. In this embodiment, instead of the bonding layer 6, the device realizes the fixation of the connecting layer 3 through the fastener 8, and the fastener 8 can be a C-shaped nail or a plastic snap pin. In other embodiments, the connecting layer 3 is provided with the mounting hole and connected with the bonding layer 6.

[0037] In an embodiment, the inside of the seat foam 1 is provided with a plurality of through holes 311, the plurality of through holes 311 are spaced from each other, and each through hole 311 is communicated with the first accommodating groove 5. In this embodiment, the seat cushion 10 is provided with a plurality of airflow channels 101, and each through hole 311 is communicated with one airflow channel 101, so that the air can be quickly transmitted to each position on the seat.

[0038] In an embodiment, the first accommodating groove 5 is square, and the groove wall of the first accommodating groove 5 is attached to the bottom surface and the side surface of the 3D grid 2. In this embodiment, the 3D grid 2 is closely mounted in the first accommodating groove 5, so that the 3D grid 2 does not shake in the first accommodating groove 5 and abnormal sound is avoided.

[0039] In an embodiment, the seat ventilation structure further comprises a fan 9, and the ventilation port of the fan 9 is communicated with the air guide channel 4.

[0040] The seat ventilation structure provided by the embodiment of the utility model, through fixing the connecting part 32 on the seat foam 1 and making the connecting layer main body 31 abut against the 3D grid 2, the position of the 3D grid 2 is limited.When the fan 9 works, the airflow enters into the first containing groove 5 from the ventilation opening of the fan 9 and the air guide channel 4 in turn, the 3D grid 2 makes the wind in the first containing groove 5 distribute evenly, then enters into the through hole 311 of the connecting layer main body 31, and enters into the soft cotton 10 of the seat through the through hole 311, and finally blows to the required position of the seat 1, which ensures the ventilation of the corresponding position of the seat.The existing wind bag is formed by two connecting layers 3 through the fusion process, the 3D grid 2 is installed by being put into the wind bag and fixed, meanwhile, the fusion edge of the existing wind bag is generally hard, which can scratch the seat foam 1, and can also produce scratching noise during the transportation of the wind, the embodiment does not need the wind bag, only one connecting layer 3 can install the 3D grid 2, and the fusion process is not needed for the parts of the ventilation structure, meanwhile, the wind bag is formed by connecting the upper and lower connecting layers 3 together, and the application only needs one connecting layer 3 to fix the 3D grid 2, saves the material of the connecting layer 3, reduces the cost, and avoids the scratching noise.

[0041] In addition, as shown in Figure 4 and Figure 5 An embodiment of the utility model provides a seat, including seat main body, soft cotton 10 and the seat ventilation structure of above-mentioned embodiment, seat foam 1 and soft cotton 10 are all arranged on seat main body, and soft cotton 10 is provided with airflow channel 101, and airflow channel 101 is communicated with first containing groove 5 through through hole 311.

[0042] The above only for the preferred embodiment of the utility model has been described, and does not limit the utility model, any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A seat ventilation structure, characterized in that, It includes seat foam, 3D mesh and connecting layer. The seat foam is provided with air guide channel and first receiving groove. The air guide channel is connected to the first receiving groove. The 3D mesh is disposed in the first receiving groove. The 3D grid is used to distribute the air entering the first receiving tank within the first receiving tank; The connecting layer includes a connected connecting layer body and a connecting portion connected to the outer edge of the connecting layer body. The connecting layer body abuts against the 3D grid, and the connecting portion is fixedly connected to the seat foam to define the position of the 3D grid. The connecting layer body has a through hole, which is used to connect the first receiving groove and the airflow channel of the seat's soft padding.

2. The seat ventilation structure according to claim 1, characterized in that, The thickness of the 3D mesh is greater than the depth of the first receiving groove, and the side of the 3D mesh facing away from the seat foam protrudes from the top surface of the first receiving groove.

3. The seat ventilation structure according to claim 2, characterized in that, The seat ventilation structure also includes an adhesive layer, which is bonded between the connecting part and the seat foam.

4. The seat ventilation structure according to claim 3, characterized in that, The difference between the thickness of the 3D mesh and the depth of the first receiving groove is greater than or equal to the thickness of the adhesive layer.

5. The seat ventilation structure according to claim 1, characterized in that, The seat foam is also provided with a second receiving groove. The first receiving groove is connected to the second receiving groove. Both the first receiving groove and the second receiving groove are square. The extension direction of the first receiving groove is the same as the extension direction of the second receiving groove. In the direction perpendicular to the extension direction of the first receiving groove, the cross-sectional area of ​​the second receiving groove is larger than the cross-sectional area of ​​the first receiving groove. The connecting layer is provided in the second receiving groove.

6. The seat ventilation structure according to claim 1, characterized in that, The seat ventilation structure also includes fasteners, and the connecting part is provided with mounting holes. The fasteners are installed in the mounting holes to fix the connecting part to the seat foam.

7. The seat ventilation structure according to claim 1, characterized in that, The main body of the connecting layer is provided with a plurality of through holes, which are spaced apart from each other, and each through hole is connected to the first receiving groove.

8. The seat ventilation structure according to claim 1, characterized in that, The first receiving groove is square, and the groove wall of the first receiving groove is attached to the bottom and side surfaces of the 3D mesh.

9. The seat ventilation structure according to claim 1, characterized in that, The seat ventilation structure also includes a fan, and the fan's vent is connected to the air guide channel.

10. A type of seat, characterized in that, The seat includes a seat body, a soft pad, and a seat ventilation structure as described in any one of claims 1-9. The seat foam and the soft pad are both disposed on the seat body. The soft pad has an airflow channel, and the airflow channel is connected to the first receiving groove through the through hole.

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