CN112895999A - Seat cushion structure and manufacturing method thereof - Google Patents
Seat cushion structure and manufacturing method thereof Download PDFInfo
- Publication number
- CN112895999A CN112895999A CN202110234137.3A CN202110234137A CN112895999A CN 112895999 A CN112895999 A CN 112895999A CN 202110234137 A CN202110234137 A CN 202110234137A CN 112895999 A CN112895999 A CN 112895999A
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- Prior art keywords
- framework
- foam layer
- foam
- layer
- pur
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000006260 foam Substances 0.000 claims abstract description 100
- 239000004744 fabric Substances 0.000 claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 19
- 239000004743 Polypropylene Substances 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- -1 polypropylene Polymers 0.000 claims abstract description 11
- 229920001155 polypropylene Polymers 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000005187 foaming Methods 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 abstract description 23
- 239000012855 volatile organic compound Substances 0.000 abstract description 6
- 229920005830 Polyurethane Foam Polymers 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 239000011496 polyurethane foam Substances 0.000 abstract description 2
- 238000009958 sewing Methods 0.000 abstract description 2
- 239000007779 soft material Substances 0.000 abstract description 2
- 229920002635 polyurethane Polymers 0.000 description 21
- 230000007613 environmental effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/62—Thigh-rests
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/68—Seat frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D33/00—Seats
- B61D33/0007—Details; Accessories
- B61D33/0014—Seat frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D33/00—Seats
- B61D33/0007—Details; Accessories
- B61D33/0035—Cushions or the like; Covers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B29/00—Accommodation for crew or passengers not otherwise provided for
- B63B29/02—Cabins or other living spaces; Construction or arrangement thereof
- B63B29/04—Furniture peculiar to vessels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
- B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B29/00—Accommodation for crew or passengers not otherwise provided for
- B63B29/02—Cabins or other living spaces; Construction or arrangement thereof
- B63B29/04—Furniture peculiar to vessels
- B63B2029/043—Seats; Arrangements thereof on vessels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
The invention relates to a seat cushion structure and a manufacturing method thereof, belonging to an internal structure of an automobile, in particular to a seat cushion structure, which comprises a framework, an outer contour framework, an internal framework, a reinforcing rib I, a reinforcing rib II, a reinforcing area, a connecting framework, a foam layer, a PUR foam layer and a decorative fabric layer; the foam and the framework are preferentially integrated into a whole through the integrated foaming molding of the embedded framework, the foam is characterized by being made of EPP (expanded polypropylene), and can replace part of soft materials such as polyurethane foam and the like, so that the content of Volatile Organic Compounds (VOC) of the product is reduced; the foam selected by the application has good rigidity, the preferred material is polypropylene (EPP) which can replace part of metal, and the polypropylene EPP has the buffer characteristic and can replace part of foam to reduce the weight of the product; the utility model provides a foam can form the decorative pattern in the forming process, and when the seat was wrapped up to the decorative fabric part, the foam can replace partial decorative fabric, reduces the use amount of surface fabric to reduce surface fabric sewing man-hour.
Description
Technical Field
The invention belongs to an internal structure of an automobile, and particularly relates to a seat cushion structure.
Background
The seat is a tool for passengers to rest, and essentially belongs to a resting tool arranged in a long-distance and short-distance vehicle. Since the seats are arranged on automobiles, trains, cruise ships and airplanes, the environment protection and safety of the seats are highly required.
The main material of the existing seat cushion is Polyurethane (PUR) foam, but the material generally has the problems of large smell, large VOC emission, environmental protection and health, and can not meet the requirement of increasing the air quality in the vehicle; secondly, most of seats on the existing automobile adopt metal frameworks, and the frameworks are in load bearing requirements by adopting welded beams or steel wire mesh structures, so that the production process is complex, the produced seat frameworks are heavy in weight and more in metal, and the seat frameworks are not more and more suitable for the development direction of seats.
Therefore, a technical solution to the above problems is urgently needed in the prior art.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: to the problem that above-mentioned provided, provide a seat cushion structure, combine skeleton and foam, under the condition that does not influence the supporting role, reduce metal framework's quantity, reduce product weight, improve the feature of environmental protection.
A seat cushion structure is characterized in that: comprises a framework, a foam layer, a PUR foam layer and a decorative fabric layer;
the framework comprises an outer contour framework, an inner framework and a connecting framework;
the outer contour framework, the inner framework and the connecting framework are all formed by welding metal strips;
the outer contour framework and the inner framework are parallel to each other and are not in contact with each other, and the inner framework is connected with the connecting framework in a welding mode;
the region enclosed by the reinforcing ribs I and II of the internal framework and the frame of the internal framework is a reinforcing region of the internal framework;
the framework is wrapped with a foam layer, the framework is in seamless connection with the foam layer, the foam layer is also filled in the reinforcing area, and the foam layer is integrally formed;
the thickness of the foam layer wrapped on the framework is 5-150 mm;
when the foam layer is wrapped on the internal framework, a plurality of grooves are formed on the foam layer due to the shape of the internal framework;
the PUR foam layer is arranged on the surfaces of the foam layer, which are not provided with the grooves, and the thickness of the PUR foam layer is 20 mm;
the foam layer is connected with the PUR foam layer through a barb type clamping strip or a magic thread gluing;
and a decorative fabric layer is arranged on the PUR foam layer.
The foam layer is a foamed polypropylene material layer or other polyolefin foam plastic layers.
The foam layer on the framework is formed by foaming, and the framework and the foam layer form a tightly-jointed whole.
The PUR foam layer has a thickness of 15 to 45 mm.
The framework is provided with more than one reserved installation section, and the framework of the reserved installation section is not provided with a foam layer.
A manufacturing method of a seat cushion structure is used for producing any one of the seat cushion structures, and is characterized in that: comprises the following production steps which are sequentially carried out
Step one, the outer contour framework, the inner framework and the connecting framework are assembled in a splicing mode to obtain a framework;
secondly, placing the framework obtained in the first step in a forming die, wherein the position of a reserved mounting section on the framework is shielded, and covering foam layers are added on the outer side of the framework and the reinforcing area, so that the framework and the foam layers form a whole;
step three, arranging a PUR foam layer outside the foam layer;
and step four, arranging a decorative fabric layer outside the PUR foam layer.
The beneficial effect of this application is as follows: 1. the foam and the framework are preferentially integrated into a whole through the integrated foaming molding of the embedded framework, the foam is characterized by being made of EPP (expanded polypropylene), and can replace part of soft materials such as polyurethane foam and the like, so that the content of Volatile Organic Compounds (VOC) of the product is reduced; 2. the foam selected by the application has good rigidity, the preferred material is polypropylene (EPP) which can replace part of metal, and the polypropylene (EPP) has the buffer characteristic and can replace part of foam, thereby reducing the weight of the product and improving the appearance quality of the product; 3. the utility model provides a foam can form the decorative pattern in the forming process, and when the seat was wrapped up to the decorative fabric part, the foam can replace partial decorative fabric, reduces the use amount of surface fabric to reduce surface fabric sewing man-hour.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the framework of the present invention.
In the figure: 1-framework, 101-outer contour framework, 102-inner framework, 1021-reinforcing rib I, 1022-reinforcing rib II, 1023-reinforcing area, 103-connecting framework, 2-foam layer, 3-PUR foam layer and 4-decorative fabric layer.
Detailed Description
The present application is further described with reference to the following drawings and detailed description:
a seat cushion structure is characterized in that: comprises a framework 1, a foam layer 2, a PUR foam layer 3 and a decorative fabric layer 4;
the framework 1 comprises an outer contour framework 101, an inner framework 102 and a connecting framework 103;
the outer contour framework 101, the inner framework 102 and the connecting framework 103 are all made of metal strips through welding;
the outer contour framework 101 and the inner framework 102 are parallel to each other and are not in contact with each other, and the inner framework 102 is connected with the connecting framework 103 in a welding mode;
wherein, the area surrounded by the reinforcing rib I1021 and the reinforcing rib II1022 of the internal framework 102 and the frame of the internal framework 102 is the reinforcing area 1023 of the internal framework 102;
the framework 1 is wrapped with the foam layer 2, the framework 1 is connected with the foam layer 2 in a seamless mode, the foam layer 2 is filled in the reinforcing area 1023, and the foam layer 2 is integrally formed;
the thickness of the foam layer 2 wrapped on the framework 1 is 5-150 mm;
when the foam layer 2 is wrapped on the internal framework 102, a plurality of grooves 201 are formed on the foam layer 2 due to the shape of the internal framework 102;
the PUR foam layer 3 is arranged on the surfaces of the foam layer 2, which are not provided with the grooves 201, and the thickness of the PUR foam layer 3 is 20 mm;
the foam layer 2 is connected with the PUR foam layer 3 through an agnail-shaped clamping strip or a magic sticky buckle;
a decorative fabric layer 4 is arranged on the PUR foam layer 3.
The foam layer 2 is a foamed polypropylene EPP material layer or other polyolefin foam plastic layers.
The foam layer 2 on the framework 1 is formed by foaming, and the framework 1 and the foam layer 2 form a tightly-jointed whole.
The thickness of the PUR foam layer 3 is 15 to 45 mm.
The framework (1) is provided with more than one reserved installation section, and the framework (1) of the reserved installation section is not provided with the foam layer (2).
A manufacturing method of a seat cushion structure is used for producing any one of the seat cushion structures, and is characterized in that: comprises the following production steps which are sequentially carried out
Firstly, splicing and assembling an outer contour framework 101, an inner framework 102 and a connecting framework 103 to obtain a framework 1;
step two, the framework 1 obtained in the step one is placed in a forming die, wherein the position of a reserved mounting section on the framework 1 is shielded, and a covering foam layer 2 is added on the outer side of the framework 1 and the reinforcing area 1023, so that the framework 1 and the foam layer 2 form a whole;
thirdly, arranging a PUR foam layer 3 outside the foam layer 2;
and step four, arranging a decorative fabric layer 4 outside the PUR foam layer 3.
Reinforcing area 1023 need set up many metal strengthening ribs through the welding in the skeleton 1 of traditional structure, be used for playing the supporting role, use foam blanket 2 in this application and foaming polypropylene EPP material layer packing reinforcing area 1023 promptly, the support mode of traditional metal strengthening rib has been replaced, the metal that has reduced weight, polypropylene EPP rigidity is big simultaneously, can keep the support performance of seat, buffer characteristic has simultaneously, can replace partial PUR foam layer 3, when reducing product weight, the volume on PUR foam layer 3 has also been reduced, it is big to have reduced the smell that PUR foam layer 3 produced, VOC gives off big environmental protection and healthy asking.
Claims (6)
1. A seat cushion structure is characterized in that: comprises a framework (1), a foam layer (2), a PUR foam layer (3) and a decorative fabric layer (4);
the framework (1) comprises an outer contour framework (101), an inner framework (102) and a connecting framework (103);
the outer contour framework (101), the inner framework (102) and the connecting framework (103) are all formed by welding metal strips;
the outer contour framework (101) and the inner framework (102) are parallel to each other and are not in contact with each other, and the inner framework (102) is connected with the connecting framework (103) in a welding mode;
the area surrounded by the reinforcing ribs I (1021), the reinforcing ribs II (1022) and the frame of the internal framework (102) is a reinforcing area (1023) of the internal framework (102);
the framework (1) is wrapped with the foam layer (2), the framework (1) is connected with the foam layer (2) in a seamless mode, the foam layer (2) is filled in the reinforcing area (1023), and the foam layer (2) is integrally formed;
the thickness of the foam layer (2) wrapped on the framework (1) is 5-150 mm;
when the foam layer (2) is wrapped on the inner framework (102), a plurality of grooves (201) are formed on the foam layer (2) due to the shape of the inner framework (102);
the PUR foam layer (3) is arranged on the surfaces of the foam layer (2) which are not provided with the grooves (201), and the thickness of the PUR foam layer (3) is 20 mm;
the foam layer (2) is connected with the PUR foam layer (3) through an agnail-shaped clamping strip or a magic sticky buckle;
the PUR foam layer (3) is provided with a decorative fabric layer (4).
2. A seat structure as claimed in claim 1, wherein: the foam layer (2) is a foamed polypropylene (EPP) material layer or other polyolefin foam layers.
3. A seat cushion structure according to claim 1, wherein: the foam layer (2) on the framework (1) is formed by foaming, and the framework (1) and the foam layer (2) form a tightly-jointed whole.
4. A seat cushion structure according to claim 1, wherein: the thickness of the PUR foam layer (3) is 15-45 mm.
5. A seat cushion structure according to claim 1, wherein: the framework (1) is provided with more than one reserved installation section, and the framework (1) of the reserved installation section is not provided with the foam layer (2).
6. A method of manufacturing a seat cushion structure for use in the production of a seat structure as claimed in any one of claims 1 to 4, characterised by: comprises the following production steps which are sequentially carried out
Step one, the outer contour framework (101), the inner framework (102) and the connecting framework (103) are assembled in a splicing mode to obtain a framework (1);
step two, placing the framework (1) obtained in the step one in a forming die, wherein the position of a reserved mounting section on the framework (1) is shielded, and covering a foam layer (2) is added on the outer side of the framework (1) and a reinforcing area (1023), so that the framework (1) and the foam layer (2) form a whole;
thirdly, arranging a PUR foam layer (3) outside the foam layer (2);
and fourthly, arranging a decorative fabric layer (4) outside the PUR foam layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110234137.3A CN112895999A (en) | 2021-03-03 | 2021-03-03 | Seat cushion structure and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110234137.3A CN112895999A (en) | 2021-03-03 | 2021-03-03 | Seat cushion structure and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112895999A true CN112895999A (en) | 2021-06-04 |
Family
ID=76107549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110234137.3A Pending CN112895999A (en) | 2021-03-03 | 2021-03-03 | Seat cushion structure and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112895999A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080157583A1 (en) * | 2006-12-29 | 2008-07-03 | Boren Kelly L | Aircraft passenger seat cushions |
| CN202022120U (en) * | 2011-04-14 | 2011-11-02 | 长春力登维科技产业有限公司 | Seat liner |
| CN205652004U (en) * | 2016-04-20 | 2016-10-19 | 上汽通用汽车有限公司 | Automobile seat cushion |
| JP2018127016A (en) * | 2017-02-06 | 2018-08-16 | トヨタ紡織株式会社 | Vehicular seat |
| CN109455125A (en) * | 2018-11-14 | 2019-03-12 | 广汽零部件有限公司 | A kind of automobile back row cushion skeleton of the simple lightweight of structure and easy functions expanding |
| CN208813035U (en) * | 2018-08-09 | 2019-05-03 | 佛吉亚（中国）投资有限公司 | Automobile seat cushion |
| CN109822810A (en) * | 2019-01-17 | 2019-05-31 | 广西双英集团股份有限公司 | A kind of production technology of EPP lightweight seat |
| CN111703351A (en) * | 2020-07-20 | 2020-09-25 | 长春富维安道拓汽车饰件系统有限公司 | Sleeper structure and method of making the same |
| CN211731137U (en) * | 2019-08-07 | 2020-10-23 | 四川力登维汽车部件有限公司 | Automobile seat framework |
| CN214396504U (en) * | 2021-03-03 | 2021-10-15 | 四川上电科技有限公司 | Seat cushion structure |
-
2021
- 2021-03-03 CN CN202110234137.3A patent/CN112895999A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080157583A1 (en) * | 2006-12-29 | 2008-07-03 | Boren Kelly L | Aircraft passenger seat cushions |
| CN202022120U (en) * | 2011-04-14 | 2011-11-02 | 长春力登维科技产业有限公司 | Seat liner |
| CN205652004U (en) * | 2016-04-20 | 2016-10-19 | 上汽通用汽车有限公司 | Automobile seat cushion |
| JP2018127016A (en) * | 2017-02-06 | 2018-08-16 | トヨタ紡織株式会社 | Vehicular seat |
| CN208813035U (en) * | 2018-08-09 | 2019-05-03 | 佛吉亚（中国）投资有限公司 | Automobile seat cushion |
| CN109455125A (en) * | 2018-11-14 | 2019-03-12 | 广汽零部件有限公司 | A kind of automobile back row cushion skeleton of the simple lightweight of structure and easy functions expanding |
| CN109822810A (en) * | 2019-01-17 | 2019-05-31 | 广西双英集团股份有限公司 | A kind of production technology of EPP lightweight seat |
| CN211731137U (en) * | 2019-08-07 | 2020-10-23 | 四川力登维汽车部件有限公司 | Automobile seat framework |
| CN111703351A (en) * | 2020-07-20 | 2020-09-25 | 长春富维安道拓汽车饰件系统有限公司 | Sleeper structure and method of making the same |
| CN214396504U (en) * | 2021-03-03 | 2021-10-15 | 四川上电科技有限公司 | Seat cushion structure |
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