CN205930567U

CN205930567U - Automobile roof structure

Info

Publication number: CN205930567U
Application number: CN201620856597.4U
Authority: CN
Inventors: 刁莹
Original assignee: Taicang Gatz Automotive Components Co Ltd
Current assignee: Taicang Gatz Automotive Components Co Ltd
Priority date: 2016-08-09
Filing date: 2016-08-09
Publication date: 2017-02-08
Anticipated expiration: 2026-08-09

Abstract

The utility model discloses an automobile roof structure, including ceiling body and interior plaque, interior plaque setting is in on the ceiling body, interior plaque includes first base plate from top to bottom, the board that disinfects, second base plate and acoustic celotex board, first base plate includes plaque layer, support layer and lower plaque layer, it is in to go up the plaque setting support layer's upper surface, lower plaque setting is in support layer's lower surface, support layer is hollow structure, go up the plaque with the plaque is formed by PU material spraying foaming shaping on the fine felt of glass down. Compared with the prior art, the utility model has the advantages that: flame retardant efficiency is good, need not to add the fire retardant, and have a good filtering quality, the dust containing capacity greatly, the moisture absorption not, on the basis of guaranteeing mechanical strength, the dead weight is light, high, the long service life of security, and it is recoverable, be favorable to the environmental protection.

Description

A kind of automobile ceiling structure

Technical field

This utility model belongs to auto parts machinery field, particularly to a kind of automobile ceiling structure.

Background technology

In automobile technical field, ceiling interior trim is the important component part of vehicle complete vehicle interior trim, and its Main Function is Improve in-car dicoration, ceiling also can improve and the effect of heat insulation outside car simultaneously；Reduce internal car noise, improve sound-absorbing effect； Improve comfortableness and the safety of passenger riding.

At present, roof of the vehicle is mostly resisted stubbornly using the entirety of multilayer material composite molding, adds buffer compartment by molded substrate plate Thermosphere, then plus the compound composition of epidermis stacking three-decker.Backing material plate typically adopts PU foam sheet, glass fibre etc., buffer compartment Thermosphere adopts RPUF plate, and skin material mainly adopts fabric, TPO or PVC film.Polyurethane material has matter The feature performance benefit such as gently, sound-insulating and heat-insulating effect is good,；But its material has toxicity in itself, processing technique needs by chemical reaction, energy Consumption is higher, and this material not recoverable, easily causes environmental pollution, unstable in addition with chemical constitution, oxidizable point Solution, does not have fire resistance, the shortcomings of there is disaster hidden-trouble.

Content of the invention

The purpose of this utility model is the problems referred to above overcoming in the presence of prior art, and provides a kind of roof of the vehicle knot Structure, good flame retardation effect, need not add fire retardant；And there is good strainability, dust containing capacity is big, nonhygroscopic；Ensureing machinery On the basis of intensity, from heavy and light, safe, long service life；And recyclable, be conducive to environmental conservation.

Based on the problems referred to above, the technical scheme that this utility model provides is：

A kind of automobile ceiling structure, including ceiling body and trim panel, described trim panel is arranged on described ceiling body, Described trim panel from top to bottom includes first substrate, sterilization plate, second substrate and baffle；

Described first substrate includes plaque layer, shelf layer and lower plaque layer, and described upper plaque is arranged on described shelf layer Upper surface, described lower plaque is arranged on the lower surface of described shelf layer, and described shelf layer is in hollow structure, described upper plaque and By PU material spraying, foaming on Chopped Strand Mat forms described lower plaque.

Preferably, described shelf layer is in corrugated or cellular.

Preferably, described sterilization plate includes scrim layer and stenlizing layer, and described scrim layer is arranged on the upper and lower of described stenlizing layer Surface.

Preferably, described stenlizing layer is made up of nano silver fibre material, and described scrim layer is made up of terylene.

Preferably, described second substrate includes basic unit and is arranged on the multiple hole-closing structure closed alone of base in the layer, institute State basic unit to be made up of polypropylene material, described hole-closing structure is made up of expanded polypropylene.

Preferably, described baffle from top to bottom includes laminating layer, top layer, intermediate layer and bottom, and described laminating layer is by melting The meldable fibre less than 150 DEG C for the point is made, and described top layer is made up of hollow pet staple fiber cotton, and described intermediate layer is chopped by glass The felt and fusing point meldable fibre mixing inserts less than 150 DEG C are made, and described bottom is made up of non-woven fabrics.

Compared with prior art, the utility model has the advantages that：

Good flame retardation effect, fire retardant need not be added；And there is good strainability, dust containing capacity is big, nonhygroscopic；Ensureing On the basis of mechanical strength, from heavy and light, safe, long service life；And recyclable, be conducive to environmental conservation.

Brief description

In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below will be to required in embodiment description The accompanying drawing using is briefly described, and drawings in the following description are only some embodiments of the present utility model, for ability For the those of ordinary skill of domain, on the premise of not paying creative work, can also be obtained other attached according to these accompanying drawings Figure.

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the corrugated core schematic diagram of shelf layer of the present utility model.

Fig. 3 is the alveolate texture schematic diagram of shelf layer of the present utility model.

Wherein：

1. ceiling body；2. first substrate；3. sterilize plate；4. second substrate；5. baffle；

Plaque layer on 21.；22. shelf layer；23. times plaque layers；

31. scrim layer；32. stenlizing layers；

41. basic units；42. hole-closing structures；

51. laminating layers；52. top layers；53. intermediate layers；54. bottoms.

Specific embodiment

Below in conjunction with specific embodiment, such scheme is described further.It should be understood that these embodiments are for illustrating This utility model and be not limited to limit scope of the present utility model.The implementation condition adopting in embodiment can be according to concrete producer Condition do and adjust further, not marked implementation condition is usually the condition in normal experiment.

As shown in figure 1, a kind of automobile ceiling structure, including ceiling body 1 and trim panel, trim panel is arranged on ceiling body On 1, trim panel from top to bottom includes first substrate 2, sterilization plate 3, second substrate 4 and baffle 5；

First substrate 2 includes plaque layer 21, shelf layer 22 and lower plaque layer 23, and upper plaque 21 is arranged on shelf layer 22 Upper surface, lower plaque 23 is arranged on the lower surface of shelf layer 22, and shelf layer 22 is in hollow structure, upper plaque 21 and lower plaque 23 by PU material spraying foaming on Chopped Strand Mat forms.Because PU material is difficult to degraded, scrap concrete profit in natural environment Big with difficulty, quantitative on the Chopped Strand Mat of trim panel, fixed point spraying PU material, improve stock utilization, reduce and consume PU raw material, Be conducive to environmental conservation.

As shown in Figures 2 and 3, shelf layer 22 is in corrugated or cellular.Using hollow structure so that automotive trim panel Deadweight reduces, and improves part impact strength problem, realizes part lighting, be conducive to automotive energy-saving emission-reducing, be conducive to environment Protection.

Sterilization plate 3 includes scrim layer 31 and stenlizing layer 32, and scrim layer 31 is arranged on the upper and lower surface of stenlizing layer 32.Stenlizing layer 32 are made up of nano silver fibre material, and scrim layer 31 is made up of terylene.By setting sterilization plate, can have concurrently preferably saturating simultaneously Gas and bactericidal properties.

Second substrate 4 includes basic unit 41 and the multiple hole-closing structures 42 closed alone being arranged in basic unit 41, basic unit 41 It is made up of polypropylene material, hole-closing structure 42 is made up of expanded polypropylene.There is hole-closing structure 42 so that the second base in basic unit 41 Plate 4 is nonhygroscopic, reduces manufacturing cost simultaneously, also just reduces use cost；And basic unit 41 adopt polypropylene base so that The anti-flammability of roof of the vehicle strengthens, and also just improves safety, and polypropylene high-temperature digestion burning simultaneously is nontoxic so that roof of the vehicle damages Recyclable after going bad or scrapping, beneficial to environmental protection, and basic unit 41 light weight that polypropylene base is made.

Baffle 5 from top to bottom includes laminating layer 51, top layer 52, intermediate layer 53 and bottom 54, and laminating layer 51 is low by fusing point Make in 150 DEG C of meldable fibres, top layer 52 is made up of hollow pet staple fiber cotton, intermediate layer 53 is by glass chopped mat and fusing point Meldable fibre mixing inserts less than 150 DEG C are made, and bottom 54 is made up of non-woven fabrics.Top layer 52 adopts polyster fibre cotton conduct Sound insulation packing, nontoxic and lightweight, under conditions of identical sound insulation value, vertical one-tenth net materials weight only has flexible polyurethane The 60% of 50% or common non-woven material of bipeltate；The processing work of automobile roof sound insulation cushion provided by the present invention again Skill is not related to chemical reaction, and recoverable, energy-conserving and environment-protective.Additionally, the polyster fibre cotton that top layer 52 adopts has fire-retardant effect Really, fire retardant need not be added, and there is good strainability, dust containing capacity is big, long service life.

Compared with prior art, the utility model has the advantages that：

Examples detailed above is only that technology design of the present utility model and feature are described, its object is to allow and is familiar with technique People is to will appreciate that content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All The equivalent transformation being done according to this utility model spirit or modification, all should cover protection domain of the present utility model it Interior.

Claims

1. it is characterised in that including ceiling body and trim panel, described trim panel is arranged on described top to a kind of automobile ceiling structure On canopy body, described trim panel from top to bottom includes first substrate, sterilization plate, second substrate and baffle；

Described first substrate includes plaque layer, shelf layer and lower plaque layer, and described upper plaque is arranged on the upper of described shelf layer Surface, described lower plaque is arranged on the lower surface of described shelf layer, and described shelf layer is in hollow structure, described upper plaque and described By PU material spraying, foaming on Chopped Strand Mat forms lower plaque.

2. a kind of automobile ceiling structure according to claim 1 is it is characterised in that described shelf layer is in corrugated or honeycomb Shape.

3. a kind of automobile ceiling structure according to claim 1 is it is characterised in that described sterilization plate includes scrim layer and kills Bacterium layer, described scrim layer is arranged on the upper and lower surface of described stenlizing layer.

4. a kind of automobile ceiling structure according to claim 3 is it is characterised in that described stenlizing layer is by nano silver fibre material Material is made, and described scrim layer is made up of terylene.

5. a kind of automobile ceiling structure according to claim 1 is it is characterised in that described second substrate includes basic unit and sets Put the hole-closing structures alone closed multiple in base in the layer, described basic unit is made up of polypropylene material, described hole-closing structure by send out Foaming polypropylene is made.

6. a kind of automobile ceiling structure according to claim 1 is it is characterised in that described baffle from top to bottom includes pasting Close layer, top layer, intermediate layer and bottom, described laminating layer is made up of the meldable fibre that fusing point is less than 150 DEG C, and described top layer is by hollow Terylene short fiber vinylon and cotton blend is made, and described intermediate layer is less than 150 DEG C of meldable fibre mixing inserts system by glass chopped mat and fusing point Become, described bottom is made up of non-woven fabrics.