Light-weight automobile ceiling interior trimming panel structure

Abstract

The utility model discloses a light-weight automobile ceiling interior trimming panel structure which comprises a ceiling body, a skylight groove and a ceiling lamp groove are formed in the ceiling body, the end, away from the ceiling lamp groove, of the ceiling body is the tail end, a front connecting part is arranged between the ceiling lamp groove and the skylight groove, and a rear connecting part is arranged between the tail end and the skylight groove. And a plurality of handrail mounting grooves are symmetrically formed in two sides of the ceiling main body. Strength of the rear connecting portion is guaranteed by the aid of the stress groove, stress is enhanced by the aid of the groove, materials are not added, light weight of the ceiling body is guaranteed, stress can be transmitted and distributed by the aid of the component force grooves and the component force ribs, integral strength is further guaranteed, and service life of the ceiling body is prolonged. Through the arrangement of the middle reinforcing ribs and the inclined reinforcing ribs, it is guaranteed that the long edge of the side, close to the tail end, of the skylight groove can be supported to a certain degree, and the strength of the weakest edge of the skylight groove is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile roof, concretely is a kind of lightweight automobile roof interior panel structure. BACKGROUND

[0002] With the improvement of global fuel economy and environmental protection requirements of automobile, automobile manufacturing industry is gradually transformed to lightweight design, automobile roof interior panel is the important component in vehicle, and its design and material selection directly affect the weight, cost, comfort, aesthetics and safety of whole vehicle, in recent years, lightweight materials such as carbon fiber, glass fiber, foam material are gradually applied in the design of automobile interior panel, which can effectively reduce weight.

[0003] But the prior art still has great deficiencies, such as:

[0004] In the prior art, the automobile roof is not completely a roof, in order to cooperate with the design of sunroof, a sunroof groove is often set on the roof, the automobile roof is originally designed to be lightweight, and the set-through groove often causes the roof to be easy to break, especially the connecting part between the sunroof and the tail end, lacks reinforcing structure, is very fragile, especially in the installation link, often needs the cooperation of supporting structure and multiple installation workers to ensure the complete installation of the roof, which is very inconvenient. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of lightweight automobile roof interior panel structure to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of lightweight automobile roof interior panel structure, including roof main body, the roof main body is set with sunroof groove and roof light groove, the tail end of the roof main body far from roof light groove, it is front connecting part between the roof light groove and sunroof groove, it is rear connecting part between the tail end and sunroof groove, the roof main body is set with a plurality of handrail installation slot on both sides symmetry;

[0008] The roof main body includes main body layer and wrapping layer, and the wrapping layer wraps the main body layer.

[0009] A plurality of stress grooves are provided at the rear connecting part, and the stress grooves are arc-shaped.

[0010] Preferably, the sunroof groove is provided with a middle reinforcing rib on one side close to the stress groove, the middle reinforcing rib is provided with inclined reinforcing ribs on both sides symmetrically, the inclination angle of the inclined reinforcing rib decreases in the direction of the middle reinforcing rib along both sides, the contact points of the inclined reinforcing rib and the sunroof groove are equidistantly arranged, and the width of the middle reinforcing rib is greater than the width of the inclined reinforcing rib.

[0011] Preferably, the curvature of the stress groove increases in turn along the direction from the sunroof groove to the tail end.

[0012] Preferably, the number of the stress grooves is not less than 2, and the stress grooves are internally provided with fillers.

[0013] Preferably, a plurality of component force grooves are arranged between adjacent stress grooves, and the component force grooves are divergent.

[0014] Preferably, the component force grooves are internally provided with component force ribs.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. The strength at the rear connecting part is ensured through the arrangement of the stress grooves, the stress is enhanced through the arrangement of the grooves, the material is not increased, the lightweight feature of the ceiling main body is ensured, and the fillers are arranged in the stress grooves to ensure that the main body layer is not recessed after being wrapped by the wrapping layer, and the appearance is not affected.

[0017] 2. The stress can be transmitted and distributed through the arrangement of the component force grooves and the component force ribs, the overall strength is further ensured, and the main body layer is not protruded after being wrapped by the wrapping layer through the arrangement of the grooves and the component force ribs in advance.

[0018] 3. The long side of the sunroof groove close to the tail end can be supported through the arrangement of the middle reinforcing ribs and the inclined reinforcing ribs, and the strength of the thinnest side of the sunroof groove is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic view of the ceiling main body structure of the utility model;

[0020] Figure 2 It is a stress groove distribution schematic view of the utility model;

[0021] Figure 3 It is a component force groove schematic view of the utility model;

[0022] Figure 4 It is a layered schematic view of the ceiling main body of the utility model.

[0023] In the drawing: 1, ceiling main body; 2, sunroof groove; 3, lamp groove; 4, tail end; 5, front connecting part; 6, rear connecting part; 7, handrail mounting groove; 8, main body layer; 9, wrapping layer; 10, stress groove; 11, middle reinforcing rib; 12, inclined reinforcing rib; 13, component force groove; 14, component force rib. DETAILED DESCRIPTION

[0024] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Please refer to Figures 1-4 The present application provides a technical scheme:

[0026] A light-weight automobile roof interior plate structure, comprising a roof main body 1, a sunroof slot 2 and a roof light slot 3 are formed on the roof main body 1, the tail end 4 of the roof main body 1 away from the roof light slot 3, the prior art tail end 4 is provided with a reinforcing structure, which is well known to those skilled in the art, and will not be described here, the front connecting part 5 between the roof light slot 3 and the sunroof slot 2, the rear connecting part 6 between the tail end 4 and the sunroof slot 2, the rear connecting part 6 is the largest flat area of the automobile roof, this area is simply the main body layer 8, then the wrapping layer 9 wraps the entire roof main body 1, the wrapping layer 9 is a cloth material, a plurality of handrail mounting grooves 7 are symmetrically formed on both sides of the roof main body 1, the handrail mounting groove 7 is realized by recessing and slotting, the recessing design also ensures the strength of this place, two handrail mounting grooves 7 are close to the sides of the sunroof slot 2, so the short sides of the sunroof slot 2 do not need to be reinforced, and can realize a certain strength by the recessing of the handrail mounting groove 7;

[0027] The roof main body 1 comprises a main body layer 8 and a wrapping layer 9, the wrapping layer 9 wraps the main body layer 8, and the roof main body of the present application comprises a main body layer 8 and a wrapping layer 9, which is a known technology, and the specific material will not be described here, and it is well known to those skilled in the art;

[0028] The rear connecting part 6 is provided with a plurality of stress grooves 10, the stress grooves 10 are arc-shaped, the curvature of the stress grooves 10 gradually increases in the direction from the sunroof groove 2 to the tail end 4, the number of the stress grooves 10 is not less than 3, the stress grooves 10 in the embodiment are provided with 3, the curvature of the stress groove 10 close to the sunroof groove 2 is the smallest, the stress of the area of the rear connecting part 6 can be dispersed by the action of a part of the stress groove 10 close to the sunroof groove 2, a part can play a certain reinforcing effect on the weak edge of the sunroof groove 2, at the same time, in order to ensure the beauty after the subsequent wrapping layer 9 is wrapped, the stress grooves 10 are provided with fillers inside, which can be fixed inside through buckles or glue, the fillers can be flame-retardant sponge and other materials, which can be freely selected, the main purpose is to ensure the flatness of the stress grooves 10, there is no high requirement, the setting of the curvature gradually increasing can make the force dispersion area larger and more uniform, so as to realize the increase of the stress strength at this place, the stress grooves 10 are provided with fillers inside, one side of the sunroof groove 2 close to the stress groove 10 is provided with a middle reinforcing rib 11, the middle reinforcing rib 11 is symmetrically provided with inclined reinforcing ribs 12 on both sides, the inclination angle of the inclined reinforcing rib 12 gradually decreases in the direction from both sides to the middle reinforcing rib 11, the contact points of the inclined reinforcing rib 12 and the sunroof groove 2 are equidistantly arranged, the width of the middle reinforcing rib 11 is larger than the width of the inclined reinforcing rib 12, the middle reinforcing rib 11 plays a main reinforcing role in this place, the width is the largest, the both sides of the middle reinforcing rib 11 are provided with the inclined reinforcing rib 12, the number of the inclined reinforcing rib 12 in this place is provided with 6, which is symmetrically arranged along the middle of the middle reinforcing rib 11, the setting of the middle reinforcing rib 11 and the inclined reinforcing rib 12 can ensure the strength between the side edge of the sunroof groove 2 and the stress groove 10, and can also transmit part of the force of the sunroof groove 2 to the stress groove 10 with higher strength.

[0029] A plurality of force component grooves 13 are arranged between adjacent stress grooves 10, the force component grooves 13 are divergent, and the force component grooves 13 are provided with force component ribs 14 inside. Figure 3 As shown in the figure, the grooves here are not opened, but are formed by an integral molding mold, the grooves formed by the mold can play a role in enhancing the strength, which is known to those skilled in the art, and will not be described here, the force component ribs 14 arranged inside the grooves can better disperse the received force to each stress groove 10, and the stress grooves 10 with higher strength can bear the force, and the setting of the dispersion device can also better disperse the force received by the top of the arc-shaped stress groove 10.

[0030] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A lightweight automobile roof trim panel structure, comprising a roof body (1), a sunroof slot (2) and a roof light slot (3) are formed on the roof body (1), and the tail end (4) of the roof body (1) is away from the roof light slot (3), characterized in that: The front connecting part (5) is between the roof light groove (3) and the sunroof groove (2), the rear connecting part (6) is between the tail end (4) and the sunroof groove (2), and the roof body (1) is symmetrically provided with a plurality of handrails installation grooves (7) on both sides; The roof body (1) comprises a main body layer (8) and a wrapping layer (9), and the wrapping layer (9) wraps the main body layer (8); The rear connecting part (6) is provided with a plurality of stress grooves (10), and the stress grooves (10) are arc-shaped.

2. The lightweight automotive roof inner panel structure of claim 1, wherein: The sunroof groove (2) is provided with a middle reinforcing rib (11) on one side close to the stress groove (10), the middle reinforcing rib (11) is symmetrically provided with inclined reinforcing ribs (12) on both sides, the inclination angles of the inclined reinforcing ribs (12) gradually decrease along the direction of the middle reinforcing rib (11), the contact points of the inclined reinforcing ribs (12) and the sunroof groove (2) are equidistantly arranged, and the width of the middle reinforcing rib (11) is greater than that of the inclined reinforcing rib (12).

3. The lightweight automotive roof inner panel structure of claim 2, wherein: The curvature of the stress groove (10) gradually increases along the direction from the sunroof groove (2) to the tail end (4).

4. The lightweight automotive roof inner panel structure of claim 2, wherein: The number of the stress grooves (10) is not less than 3, and the stress grooves (10) are internally provided with fillers.

5. The lightweight automotive roof inner panel structure of claim 1, wherein: A plurality of force component grooves (13) are arranged between adjacent stress grooves (10), and the force component grooves (13) are divergent.

6. The lightweight automotive roof inner panel structure of claim 5, wherein: The force component grooves (13) are internally provided with force component ribs (14).

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