CN112677895A - Automobile roof lining structure - Google Patents
Automobile roof lining structure Download PDFInfo
- Publication number
- CN112677895A CN112677895A CN202110072990.XA CN202110072990A CN112677895A CN 112677895 A CN112677895 A CN 112677895A CN 202110072990 A CN202110072990 A CN 202110072990A CN 112677895 A CN112677895 A CN 112677895A
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- Prior art keywords
- layer
- frame opening
- lining body
- roof lining
- lamp frame
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- Pending
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- 239000010410 layer Substances 0.000 claims abstract description 79
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 20
- 238000010521 absorption reaction Methods 0.000 claims abstract description 15
- 239000012790 adhesive layer Substances 0.000 claims abstract description 10
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 35
- 238000005187 foaming Methods 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims 1
- 229920003023 plastic Polymers 0.000 abstract description 12
- 239000004033 plastic Substances 0.000 abstract description 12
- 239000002994 raw material Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 9
- 239000003365 glass fiber Substances 0.000 description 8
- 239000004745 nonwoven fabric Substances 0.000 description 7
- 239000004744 fabric Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000012855 volatile organic compound Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 229920009973 ABS GF30 Polymers 0.000 description 1
- 229920006577 ABS-GF30 Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010382 chemical cross-linking Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004260 weight control Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Abstract
The invention relates to an automobile roof lining structure, which comprises a roof lining body and a plurality of mushroom hasps positioned and connected on the roof lining body, wherein the front edge of the roof lining body is arc-shaped, the back edge of the roof lining body is straight, and the outline shape of the roof lining body is matched with that of a roof; the front part of the top cover lining body is provided with a front top lamp frame opening, the middle part of the top cover lining body is provided with a skylight frame opening and two side top lamp frame openings, and the two side top lamp frame openings are positioned at two sides of the skylight frame opening; the top cover lining body is of a layered structure and comprises a base layer, an adhesive layer, a sponge sound absorption layer and a decorative layer, wherein the sponge sound absorption layer is adhered to one surface of the base layer through the adhesive layer, and the decorative layer covers the sponge sound absorption layer; and a plurality of reinforcing ribs are arranged on the other side of the base body layer. The invention has simple structure, light weight, high strength, simple molding process, low mold cost, raw material saving, reduced cost and odor, and can overcome the defects of appearance fold caused by degumming and deformation of the plastic bracket.
Description
Technical Field
The invention relates to automotive body interior trim, in particular to an automotive roof lining structure.
Background
The automobile roof lining is a soft component, is assembled on the top in an automobile and mainly plays a role in decoration. The top cover lining is used as a component with higher value and heavier weight, and has larger space for reducing weight and cost. The conventional roof lining is complicated in structure and includes a roof lining 6, a sunroof support 7, a front dome light support 8, two side dome light supports 9, and a plurality of mushroom snaps 5, as shown in fig. 1. The conventional top cover liner 6 is a laminated structure and is formed by bonding a fabric and a base material. The fabric is formed by overlapping three layers of materials, namely a surface layer 60, a sound absorption layer 61 and an anti-seepage adhesive non-woven fabric 62, the base material is formed by overlapping four layers of materials, namely a first glass fiber layer 64, a PU plate 66, a second glass fiber layer 68 and a non-woven fabric 69, referring to fig. 4, a first adhesive water layer 63 is coated between the anti-seepage adhesive non-woven fabric 62 of the fabric and the first glass fiber layer 64 of the base material, a second adhesive water layer 65 is coated between the first glass fiber layer 64 and the PU plate 66 of the base material, and a third adhesive water layer 67 is coated between the PU plate 66 and the second glass fiber layer 68 of the base material. Like this, traditional top cap inside lining comprises ten layer materials (wherein have the three-layer to be the glue layer), and not only the structure is more complicated, and the glue that needs to use moreover is more, and smell, VOC (volatile organic compound) are difficult to manage and control.
The traditional sunroof support 7 is made of ABS-GF30, needs to be formed by injection molding alone, has a slender structure, and is easily deformed after injection molding, so the sunroof support 7 is split into four parts, namely a sunroof support front section 71, a sunroof support left section 72, a sunroof support rear section 73, and a sunroof support right section 74, as shown in fig. 2. Traditional skylight support 7 is pasted on the substrate of top cap inside lining, and the surface fabric cladding of top cap inside lining is on skylight support 7 surface to the realization is fixed skylight support 7. The front ceiling lamp support 8 and the side ceiling lamp support 9 are fixed on the base material of the top cover lining in a sticking mode, and refer to fig. 3.
As can be seen from the above, the manufacturing process of the conventional top cover liner is also complicated, which is not favorable for the cost and weight control of the top cover liner. Therefore, it is required to develop a new structure of the head liner.
CN 206884690U discloses "a sunroof top cover inside lining", including inside lining body and frame plate body, seted up the skylight window at the top of inside lining body, the shape of frame plate body with the opening shape of skylight window is unanimous, the frame plate body passes through special pressure sensitive adhesive and bonds on the inside lining body that is close to skylight window edge to set up the skylight window in the middle part of this frame plate body and relative with the skylight window, the frame plate body adopts PC-ABS material to make, and special hot pressure sensitive adhesive is good to the frame plate body adhesion nature that PC-ABS material made, and is high low temperature resistant, and all has good resilience under high low temperature environment, can avoid the top cover inside lining to corrugate, and material saving can make the top cover inside lining reduce the peculiar smell again. The technical solution disclosed in this patent document is, of course, a useful attempt in the technical field, but fails to fundamentally solve the existing problems described above.
Disclosure of Invention
The invention aims to provide an automobile roof lining structure which is simple in composition structure, light in weight, high in strength, simple in forming process, low in mould cost, capable of saving raw materials, capable of reducing cost and peculiar smell and capable of overcoming the defect of appearance wrinkles caused by degumming and deformation of a plastic support.
The invention relates to an automobile roof lining structure, which comprises a roof lining body and a plurality of mushroom hasps positioned and connected on the roof lining body, wherein the front edge of the roof lining body is arc-shaped, the back edge of the roof lining body is straight, and the outline shape of the roof lining body is matched with that of a roof, and the automobile roof lining structure is characterized in that: the front part of the top cover lining body is provided with a front top lamp frame opening, the middle part of the top cover lining body is provided with a skylight frame opening and two side top lamp frame openings, and the two side top lamp frame openings are positioned at two sides of the skylight frame opening; the top cover lining body is of a layered structure and comprises a base layer, an adhesive layer, a sponge sound absorption layer and a decorative layer, wherein the sponge sound absorption layer is adhered to one surface of the base layer through the adhesive layer, and the decorative layer covers the sponge sound absorption layer; and a plurality of reinforcing ribs are arranged on the other side of the base body layer.
Furthermore, a plurality of reinforcing ribs arranged on the other surface of the substrate layer are distributed in a criss-cross manner; and clamping grooves are formed in the positions, close to the front top lamp frame opening, the skylight frame opening and the side top lamp frame opening, of one ends of the reinforcing ribs which are crossed vertically and horizontally.
The base layer is further made of EPP foaming material.
Furthermore, the base layer is made of XPE foaming material.
Furthermore, the front top lamp frame opening, the skylight frame opening and the side top lamp frame openings and the base body layer are integrally formed by foaming EPP foaming materials.
Furthermore, a plurality of mushroom hasps are arranged on the reinforcing ribs.
The invention has the beneficial effects that:
because the top cover lining body composition material is changed, the ten-layer material composition such as the original decorative layer, back foam, glue, non-woven fabrics, glass fiber and PU board is changed into four-layer material composition such as decorative layer, back foam, glue and EPP foaming material, the composition structure is simpler, less glue is used, and smell and VOC are better.
Because the traditional plastic skylight support, the plastic front ceiling lamp support and the plastic side ceiling lamp support are omitted, the structural composition of the top cover lining body is optimized, and the structure and the production process of the top cover lining body are simpler. Compared with the traditional top cover lining, the invention has low cost and light weight.
Because the EPP foaming material is used for replacing the original plastic skylight support, the EPP foamed skylight support and the body base material are integrally foamed and formed, the skylight support tool and the plastic skylight support bonding process of the traditional top cover lining are eliminated, and the problem of wrinkling of the appearance of the top cover lining caused by degumming of the traditional top cover lining skylight support is avoided.
Drawings
FIG. 1 is a schematic view of a conventional roof liner construction;
FIG. 2 is a schematic view of a conventional roof support structure on a roof lining;
FIG. 3 is a sectional view taken along line A-A of FIG. 1;
fig. 4 is an exploded view of a conventional top cap liner structure.
FIG. 5 is a schematic structural view of the present invention;
FIG. 6 is a sectional view taken along line B-B of FIG. 5;
FIG. 7 is a cross-sectional view C-C of FIG. 5;
FIG. 8 is an exploded view of the liner body of the present invention.
In the figure:
10-a top cover lining body, 1-a base body layer, 11-a reinforcing rib, 12-a front edge, 13-a rear edge, 14-a front top lamp frame opening, 15-a side top lamp frame opening, 16-a skylight frame opening and 17-a clamping groove;
2-an adhesive layer;
3-sponge sound absorption layer;
4, decorating the layer;
5-mushroom hasp;
6-top cover lining, 60-surface layer, 61-sound absorption layer, 62-impermeable glue non-woven fabric, 63-first glue layer, 64-first glass fiber layer, 65-second glue layer, 66-PU plate, 67-third glue layer, 68-second glass fiber layer and 69-non-woven fabric;
7-skylight support, 71-skylight support front section, 72-skylight support left section, 73-skylight support rear section, and 74-skylight support right section;
8, a front ceiling lamp bracket;
9-side ceiling light bracket.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 5 to 8, the lining structure of the automobile roof includes a roof lining body 10 and a plurality of mushroom hasps 5 positioned and connected thereto, wherein a front edge 12 of the roof lining body 10 is arc-shaped, a rear edge 13 thereof is straight, and the contour shape thereof is matched with that of the roof, which is characterized in that:
the side top lamp frame opening 16 is provided with a front top lamp frame opening 14 at the front part of the top cover lining body 10, a skylight frame opening 15 and two side top lamp frame openings 16 at the middle part, and the two side top lamp frame openings 16 are positioned at two sides of the skylight frame opening;
the top cover lining body 10 is of a layered structure and comprises a base layer 1, an adhesive layer 2, a sponge sound absorption layer 3 and a decorative layer 4, wherein the sponge sound absorption layer 3 is adhered to one surface of the base layer 1 through the adhesive layer 2, and the decorative layer 4 covers the sponge sound absorption layer 3; compare with traditional top cap inside lining body, the substrate of this top cap inside lining body only one deck, the base member layer promptly, the surface fabric is two-layer, and sponge sound absorbing layer and decorative layer construct promptly, has cancelled the non-woven fabrics, and the adhesive layer that bonds surface fabric and substrate is four layers altogether, has not only simplified the structure, has more the price advantage moreover.
And a plurality of reinforcing ribs 11 are arranged on the other side (back side) of the base layer 1.
A plurality of reinforcing ribs 11 arranged on the other surface of the substrate layer 1 are distributed in a criss-cross manner; and clamping grooves 17 are formed at the positions, close to the front top lamp frame opening 14, the skylight frame opening 15 and the side top lamp frame opening 16, of one ends of the reinforcing ribs 11 which are crossed vertically and horizontally. Reinforcing ribs are arranged at the front top lamp frame opening and the side top lamp frame opening, so that the conventional front top lamp bracket and the conventional side top lamp bracket are replaced by the reinforcing ribs; the reinforcing ribs are provided with clamping grooves matched with the top lamps so as to meet the assembly requirements of the front top lamps and the side top lamps, and the front top lamps and the side top lamps are fixed to prevent shaking; the proper amount of reinforcing ribs are arranged at the opening of the skylight frame so as to meet the requirement of fixing the skylight frame and prevent the deformation of the lower couch of the skylight frame.
The base layer 1 is made of EPP foaming material. Select for use EPP expanded material, be favorable to environmental protection and lightweight, and have certain intensity, can satisfy top cap inside lining body and need certain support performance and lightweight demand.
The method is characterized in that reinforcing ribs with different wall thicknesses and heights are designed by utilizing the advantage of good plasticity of the EPP foaming material, and are arranged at different positions on the back surface of the top cover lining body according to the assembly requirement and the strength requirement of the top cover lining body and are designed into different shapes;
utilize EPP foaming material can follow the advantage that the shape is foamed, set up the strengthening rib structure that satisfies the installation cooperation requirement on the base member layer, replace skylight support, preceding dome lamp support and the side dome lamp support of traditional top cap inside lining, saved the material of plastic support, mould and frock expense, saved the cost and the weight of plastic support, compare with traditional top cap inside lining, not only reduced the production technology step, more be favorable to the control of quality and cost moreover.
The front top lamp frame opening, the side top lamp frame opening and the skylight frame opening on the top cover lining body are produced in a shape-following mode (due to the process limitation of hot press forming) by adopting the raw materials of the traditional top cover lining, and the raw materials of the front top lamp frame opening, the side top lamp frame opening and the skylight frame opening are required to be cut off by finished products, so that the waste of the raw materials is caused. And the EPP foaming can be foamed along with the shape, so that the shapes of the front top lamp frame opening, the side top lamp frame opening and the skylight frame opening can be directly foamed, EPP raw materials do not need to be cut, the waste of the EPP raw materials is avoided, and the cost is saved.
The base layer 1 is made of XPE foaming material. XPE is the chemical crosslinking polyethylene expanded material, and its own chemical property is stable, and difficult decomposition, odorless, elasticity are good. Is the preferable material for manufacturing the crawling mat, the sound insulation layer, the heat insulation layer and the automobile foot mat.
The front top lamp frame opening 14, the skylight frame opening 15 and the side top lamp frame openings 16 and the base body layer 1 are integrally formed by foaming EPP foaming materials.
The mushroom hasps 5 are arranged on the reinforcing ribs 11.
According to the invention, an EPP foaming material is used for replacing the original plastic skylight support, the EPP foamed skylight support and the body base material are integrally foamed and molded, a skylight support tool and a plastic skylight support bonding process of the traditional top cover lining are omitted, the problem of wrinkling of the appearance of the top cover lining caused by the problems of degumming and the like of the traditional top cover lining skylight support is avoided, and the skylight support tool and process cost is saved; optimize EPP foamed skylight support structure, increase EPP foamed skylight support's intensity, reduce the deformation in top cap inside lining skylight department, more be favorable to the cooperation in top cap inside lining and skylight.
Compared with the traditional top cover lining, the invention has the following characteristics:
(1) the top cover lining body is simple in structure;
(2) the cost of the die is low, the weight is light, and the problems of wrinkling of the appearance of the top cover lining and the like caused by degumming, deformation and the like of the plastic bracket are solved;
(3) the top cover liner is not limited by the maximum design thickness, the reinforcing ribs are designed on the back surface, the strength is increased, the design flexibility is higher, and the appearance is smooth;
(4) the skylight frame mouth, the front top lamp frame mouth and the side top lamp frame mouth can be directly formed by foaming in the corresponding positions and shapes of the top cover lining, the base material does not need to be cut, the waste of raw materials is avoided, and the weight reduction and cost reduction are realized on the basis of meeting the functions of the traditional top cover lining.
Claims (6)
1. The utility model provides a vapour car roof lining structure, includes top cap lining body (10) and a plurality of mushroom hasp (5) of location connection above that, the leading edge (12) of top cap lining body (10) are arc, back edge (13) straight, and profile shape and top cap looks adaptation, characterized by: the front part of the top cover lining body (10) is provided with a front top lamp frame opening (14), the middle part of the top cover lining body is provided with a skylight frame opening (15) and two side top lamp frame openings (16), and the two side top lamp frame openings (16) are positioned at two sides of the skylight frame opening; the top cover lining body (10) is of a layered structure and comprises a base layer (1), an adhesive layer (2), a sponge sound absorption layer (3) and a decorative layer (4), wherein the sponge sound absorption layer (3) is adhered to one surface of the base layer (1) through the adhesive layer (2), and the decorative layer (4) covers the sponge sound absorption layer (3); and a plurality of reinforcing ribs (11) are arranged on the other side of the base body layer (1).
2. The vehicle roof lining structure according to claim 1, wherein: a plurality of reinforcing ribs (11) arranged on the other surface of the substrate layer (1) are distributed in a criss-cross manner; and clamping grooves (17) are arranged at the positions, close to the front top lamp frame opening (14), the skylight frame opening (15) and the side top lamp frame opening (16), of one ends of the reinforcing ribs (11) which are crossed vertically and horizontally.
3. The roof lining structure of the automobile according to claim 1 or 2, wherein: the base layer (1) is made of EPP foaming material.
4. The vehicle roof lining structure according to claim 3, wherein: the base layer (1) is made of XPE foaming material.
5. The roof lining structure of the automobile according to claim 1 or 2, wherein: the front top lamp frame opening (14), the skylight frame opening (15), the side top lamp frame openings (16) and the base body layer (1) are integrally formed by foaming EPP foaming materials.
6. The roof lining structure of the automobile according to claim 1 or 2, wherein: the mushroom hasps (5) are arranged on the reinforcing ribs (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110072990.XA CN112677895A (en) | 2021-01-20 | 2021-01-20 | Automobile roof lining structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110072990.XA CN112677895A (en) | 2021-01-20 | 2021-01-20 | Automobile roof lining structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112677895A true CN112677895A (en) | 2021-04-20 |
Family
ID=75458629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110072990.XA Pending CN112677895A (en) | 2021-01-20 | 2021-01-20 | Automobile roof lining structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112677895A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2124407A1 (en) * | 1993-05-27 | 1994-11-28 | David William Bainbridge | Fiber Glass Composite Headliner and Method of Making the Same |
| CN101348022A (en) * | 2007-07-18 | 2009-01-21 | 斗阳产业株式会社 | Base material for vehicle head liner |
| CN101735545A (en) * | 2009-12-29 | 2010-06-16 | 丹阳市华东工程塑料有限公司 | High rigidity light composite board for automobile roof and preparation method thereof |
| CA2728367A1 (en) * | 2010-02-23 | 2011-08-23 | Hayashi Engineering Inc. | Molded laying interior material for vehicle |
| CN205468869U (en) * | 2016-01-21 | 2016-08-17 | 合肥良骏汽车材料有限公司 | Vapour car roof inside lining and mounting structure thereof |
| CN206884690U (en) * | 2017-05-24 | 2018-01-16 | 重庆华博汽车饰件有限公司 | Vehicle dormer window top cover liner |
| CN108859355A (en) * | 2018-06-13 | 2018-11-23 | 安徽艾迪文新材料有限公司 | A kind of automobile composite plate |
| CN111204294A (en) * | 2019-03-19 | 2020-05-29 | 四川力登维汽车部件有限公司 | Integrally formed automobile EPP ceiling and preparation method thereof |
-
2021
- 2021-01-20 CN CN202110072990.XA patent/CN112677895A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2124407A1 (en) * | 1993-05-27 | 1994-11-28 | David William Bainbridge | Fiber Glass Composite Headliner and Method of Making the Same |
| CN101348022A (en) * | 2007-07-18 | 2009-01-21 | 斗阳产业株式会社 | Base material for vehicle head liner |
| CN101735545A (en) * | 2009-12-29 | 2010-06-16 | 丹阳市华东工程塑料有限公司 | High rigidity light composite board for automobile roof and preparation method thereof |
| CA2728367A1 (en) * | 2010-02-23 | 2011-08-23 | Hayashi Engineering Inc. | Molded laying interior material for vehicle |
| CN205468869U (en) * | 2016-01-21 | 2016-08-17 | 合肥良骏汽车材料有限公司 | Vapour car roof inside lining and mounting structure thereof |
| CN206884690U (en) * | 2017-05-24 | 2018-01-16 | 重庆华博汽车饰件有限公司 | Vehicle dormer window top cover liner |
| CN108859355A (en) * | 2018-06-13 | 2018-11-23 | 安徽艾迪文新材料有限公司 | A kind of automobile composite plate |
| CN111204294A (en) * | 2019-03-19 | 2020-05-29 | 四川力登维汽车部件有限公司 | Integrally formed automobile EPP ceiling and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| "汽车顶棚内饰设计解析", 《聚氨酯》 * |
| 刘静波: "汽车顶棚内饰设计", 《汽车工艺与材料》 * |
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Application publication date: 20210420 |
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