CN216070207U - Lightweight roof structure of passenger car - Google Patents
Lightweight roof structure of passenger car Download PDFInfo
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- CN216070207U CN216070207U CN202122136222.4U CN202122136222U CN216070207U CN 216070207 U CN216070207 U CN 216070207U CN 202122136222 U CN202122136222 U CN 202122136222U CN 216070207 U CN216070207 U CN 216070207U
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- top cover
- passenger car
- aluminum profile
- crossbeam
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Abstract
The utility model discloses a light top cover structure of a passenger car, which comprises a top cover main body made of a non-metal material, wherein two sides of the top cover main body in the length direction are sealed by first aluminum profile edge covering pieces, the first aluminum profile edge covering pieces are connected with first longitudinal beams in a gluing mode, the first longitudinal beams and the first aluminum profile edge covering pieces are fixedly connected through a plurality of first fixing pieces, the bottom of each first longitudinal beam is connected with a second longitudinal beam in a gluing mode, and the second longitudinal beams are steel special-shaped pipes; the top cap main part adopts second aluminium alloy borduring spare banding in width direction both sides, second aluminium alloy borduring spare and crossbeam cemented connection, the crossbeam sets up both ends on the top cap main part length direction, the crossbeam is steel arc pole, just the crossbeam with second aluminium alloy borduring spare still links to each other through a plurality of second mountings. The utility model is beneficial to reducing the weight of the top cover structure under the condition of ensuring the reliability of the top cover structure.
Description
Technical Field
The utility model belongs to the technical field of passenger car manufacturing, and particularly relates to a light-weight top cover structure of a passenger car.
Background
New energy buses are gradually replacing traditional energy buses, enough endurance needs to be guaranteed under the condition that no major breakthrough is made in the battery technology, and the design of light weight of a vehicle body is an important ring. At present, two main methods are used in the industry: firstly, the structure of the vehicle body is optimized, the specification of the section bar is reduced, and the redundant design is reduced, but the optimization space is limited, and the weight reduction effect is not obvious; and secondly, a new material is adopted for replacement, the section steel is mainly replaced by an aluminum alloy section in the industry, although the density of the aluminum alloy is lower, the framework structure is often required to be reinforced, and the actual weight reduction is limited. At present, with the rapid development of composite materials, compared with traditional metal materials, composite materials have a great application potential, for example, a lightweight composite material plate prepared by taking fiber cloth and resin as main materials, specifically taking fiber cloth as a reinforcement and resin as a matrix, the composite material plate is also a way to achieve light weight and weight reduction due to the fact that the composite material plate has high specific strength, good corrosion resistance and good design performance, but the composite material plate is less applied in a vehicle body structure, and the problem that the non-metal composite material plate is inconvenient to connect or is not firmly connected with other metal structures exists. Therefore, a lightweight roof structure of a passenger car capable of solving the above problems is urgently needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems, the utility model provides a light roof structure of a passenger car, which can reduce weight and ensure the reliability of the roof structure.
The technical scheme of the utility model is as follows:
a light top cover structure of a passenger car comprises a top cover main body made of non-metallic materials, wherein the two sides of the top cover main body in the length direction are sealed by first aluminum profile edge-covering pieces, the first aluminum profile edge-covering pieces are connected with first longitudinal beams in a gluing mode, the first longitudinal beams are aluminum profile structural pieces, the first longitudinal beams and the first aluminum profile edge-covering pieces are fixedly connected through a plurality of first fixing pieces, the bottom of each first longitudinal beam is connected with a second longitudinal beam in a gluing mode, and the second longitudinal beams are steel special-shaped pipes;
the top cap main part adopts second aluminium alloy borduring spare banding in width direction both sides, second aluminium alloy borduring spare and crossbeam cemented connection, the crossbeam sets up both ends on the length direction of top cap main part, the crossbeam is steel arc pole, just the crossbeam with second aluminium alloy borduring spare is still fixed continuous through a plurality of second mountings.
Preferably, the top cover main body comprises an upper plate layer, a core layer and a lower plate layer which are sequentially arranged, and the layers are connected through structural adhesive in a gluing mode.
Preferably, the upper plate layer and the lower plate layer are made of composite plates, the composite plates take glass fiber cloth as a reinforcement and epoxy resin as a matrix, and the core layer is made of structural foam and honeycombs.
Preferably, a first extension part is arranged on the outer side of the first aluminum profile edge-covering part, the first fixing part is arranged in an overlapping area of the first extension part and the first longitudinal beam, a first support part is further arranged at the bottom of the first longitudinal beam, and the first support part is used for supporting the edge of the top cover main body in the length direction.
Preferably, the first fixing piece is a self-plugging rivet, and the joint of the first fixing piece, the first longitudinal beam and the first aluminum profile edge covering piece is subjected to sealing treatment.
Preferably, the second extension part is arranged on the outer side of the second aluminum profile edge covering part, the second fixing part is arranged in the overlapping area of the second extension part and the cross beam, a second supporting part is arranged on one side, close to the inside, of the cross beam, and the second supporting part is used for supporting the edge of the top cover main body in the width direction.
Preferably, the second fixing piece is a bolt, and the joint of the second fixing piece, the cross beam and the second aluminum profile edge covering piece is subjected to sealing treatment.
Preferably, the air duct structure further comprises an interior air duct profile, the interior air duct profile is arranged on the inner side of the top cover structure, and the interior air duct profile is connected with the top cover structure in an adhering mode and is connected with the top cover structure in a reinforcing mode through bolts.
Preferably, an inner facing is arranged on the inner facing air duct section bar and is decorated by adopting PVC imitation leather or PVC films.
Preferably, the first longitudinal beam is preassembled with a trimming flange nut, and the trimming flange nut is mainly used for hoisting a top cover, fixing a battery support and fixing a gas cylinder support.
The utility model has the beneficial effects that:
(1) the composite top cover structure adopts components made of different materials, wherein the top cover main body adopts a nonmetallic composite material plate, the composite material plate is light in weight, the first longitudinal beam, the first aluminum profile edge covering piece and the second aluminum profile edge covering piece all adopt aluminum profiles, and the second longitudinal beam and the cross beam adopt steel materials, so that the weight of the top cover structure is favorably reduced under the condition of ensuring the reliability of the top cover structure;
(2) according to the utility model, the top cover main body adopts the first aluminum profile edge-covering piece and the second aluminum profile edge-covering piece for edge sealing, the first aluminum profile edge-covering piece and the first longitudinal beam are fixedly connected in a gluing and first fixing piece combination mode, and the second aluminum profile edge-covering piece and the cross beam are fixedly connected in a gluing and second fixing piece combination mode, so that the gluing pressure is ensured, and the anti-stripping capability is improved;
(3) the top cover main body is made of the nonmetallic composite material plate instead of the conventional metal material, and is firmly connected with other parts, so that in the actual use process, the selected top cover main body has the heat insulation and noise reduction functions superior to those of the metal material, the means of enhancing the heat insulation and noise reduction functions of the top cover structure by adopting the modes of foaming adhesive, cotton pasting and the like in the prior art can be omitted, the operation time is saved, and the weight reduction effect is achieved.
Drawings
The utility model is further described with reference to the following figures and examples:
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view at Z1 in FIG. 2;
fig. 4 is a schematic structural view of the first aluminum profile hemmed part in fig. 3;
FIG. 5 is a schematic view of the mounting of the header body to the cross member;
fig. 6 is a schematic structural view of the second aluminum profile hemmed part in fig. 5.
Labeled as: 1. a cap body; 2. a first stringer; 21. a first support part; 3. a second stringer; 4. a first aluminum profile edging; 41. a first extension portion; 5. a second aluminum profile edging; 51. a second extension portion; 6. a cross beam; 61. a second support part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 to 6, a light-weight top cover structure of passenger car, top cover main part 1 including non-metallic material makes, top cover main part 1 adopts first aluminium alloy bordure 4 banding in length direction both sides, first aluminium alloy bordure 4 cemented connection has first longeron 2, first longeron 2 is the aluminium alloy structure spare, and first longeron 2 and first aluminium alloy bordure 4 still link to each other through a plurality of first mountings (not drawn in the picture) are fixed, first longeron 2 is cemented connection has second longeron 3 in the bottom, second longeron 3 is steel mechanical tubes. Specifically, the first extension part 41 is arranged on the outer side of the first aluminum profile edge covering part 4, the first fixing part is installed in the overlapping area of the first extension part 41 and the first longitudinal beam 2, the first support part 21 is further arranged at the bottom of the first longitudinal beam 2, and the first support part 21 is used for supporting the edge of the top cover main body 1 in the length direction, so that the firmness of connection of the first longitudinal beam 2 and the top cover main body 1 is improved. The first fixing piece adopts a self-plugging rivet, the joint of the first fixing piece, the first longitudinal beam 2 and the first aluminum profile edge covering piece 4 is subjected to sealing treatment, and the sealing treatment refers to sealant beating treatment.
The top cap main part 1 adopts the banding of second aluminium alloy borduring spare 5 in width direction both sides, and second aluminium alloy borduring spare 5 and crossbeam 6 cemented joint, crossbeam 6 set up both ends on 1 length direction of top cap main part, and crossbeam 6 is steel arc pole, and crossbeam 6 and second aluminium alloy borduring spare 5 still link to each other through a plurality of second mounting (not drawn in the picture) are fixed. Specifically, the second extension 51 is arranged on the outer side of the second aluminum profile edge covering piece 5, the second fixing piece is installed in the overlapping area of the second extension 51 and the cross beam 6, the second support portion 61 is arranged on the inner side of the cross beam 6, and the second support portion 61 is used for supporting the edge of the top cover main body 1 in the width direction, so that the firmness of connection between the cross beam 6 and the top cover main body 1 is improved. The second fixing piece adopts a bolt, and the joint of the second fixing piece, the cross beam 6 and the second aluminum section bar edge-covering piece 5 is also subjected to sealing treatment.
Top cap main part 1 still is equipped with safe skylight, air outlet of the air conditioner and air conditioner return air inlet etc, top cap main part 1 is including the last sheet layer that sets gradually, sandwich layer and lower sheet layer, glue through the structure between each layer and connect, go up sheet layer and lower sheet layer and adopt combined material board to make, combined material board uses glass fiber cloth as the reinforcement, use epoxy as the base member, the reinforcement also can be for carbon fiber or aramid fiber etc, the base member also can be for polyurethane or vinyl etc, top cap main part 1's sandwich layer is made by structure foam and honeycomb, thereby under the condition of further reducing combined material board weight, the function of making an uproar falls of reinforcing combined material board. The top cover main body 1 in the embodiment is made of epoxy resin, glass fiber cloth, structural foam, honeycomb and the like instead of conventional metal materials, the top cover main body 1 is firmly connected with other components, and in the actual use process, because the selected top cover main body 1 has the heat insulation and noise reduction functions superior to those of metal materials, measures of adopting foam adhesive, cotton pasting and the like to enhance the heat insulation and noise reduction functions of the top cover structure in the prior art can be omitted, so that the operation time is saved, and the weight reduction effect is achieved.
The top cap structure still includes interior trim wind channel section bar, and the inboard of top cap structure is located to interior trim wind channel section bar, and interior trim wind channel section bar and top cap structure cemented joint to through bolt reinforcement connection, the bolt plays the reinforcement and prevents the effect of peeling off, in addition, is equipped with interior veneer on the interior trim wind channel section bar, and interior veneer adopts PVC imitation leather or PVC membrane decoration.
The second longitudinal beam 3 and the cross beam 6 are made of steel materials, so that the roof structure and other structures of the vehicle body can be conveniently and fixedly connected, such as welded and fixed. The first longitudinal beam 2 is preassembled with a trimming flange nut which is mainly used for hoisting a top cover, fixing a battery support and fixing a gas cylinder support.
The composite top cover structure of the embodiment adopts components made of different materials, wherein the top cover main body 1 adopts a nonmetallic composite material plate, the composite material plate is light in weight, the first longitudinal beam 2, the first aluminum profile edge covering piece 4 and the second aluminum profile edge covering piece 5 all adopt aluminum profiles, and the second longitudinal beam 3 and the cross beam 6 adopt steel materials, so that the weight of the top cover structure is favorably reduced under the condition of ensuring the structural strength of the top cover; the top cap main part 1 of this embodiment adopts first aluminium alloy piece 4 and the banding of second aluminium alloy piece 5, adopts the form of gluing and first mounting combination to carry out fixed connection between first aluminium alloy piece 4 and the first longeron 2, adopts the form of gluing and the combination of second mounting to carry out fixed connection between second aluminium alloy piece 5 and the crossbeam 6, helps guaranteeing the gluing pressure and improves and prevents peeling off the ability.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. The light top cover structure of the passenger car is characterized by comprising a top cover main body made of a non-metal material, wherein the two sides of the top cover main body in the length direction are sealed by first aluminum profile edge covering pieces, the first aluminum profile edge covering pieces are connected with first longitudinal beams in a gluing mode, the first longitudinal beams are aluminum profile structural pieces, the first longitudinal beams and the first aluminum profile edge covering pieces are fixedly connected through a plurality of first fixing pieces, the bottom of each first longitudinal beam is connected with a second longitudinal beam in a gluing mode, and the second longitudinal beams are steel special-shaped tubes;
the top cap main part adopts second aluminium alloy borduring spare banding in width direction both sides, second aluminium alloy borduring spare and crossbeam cemented connection, the crossbeam sets up both ends on the length direction of top cap main part, the crossbeam is steel arc pole, just the crossbeam with second aluminium alloy borduring spare is still fixed continuous through a plurality of second mountings.
2. The light-weight roof structure of the passenger car as claimed in claim 1, wherein the roof body comprises an upper plate layer, a core layer and a lower plate layer which are arranged in sequence, and the layers are connected through structural adhesive.
3. The passenger car lightweight roof structure according to claim 2, wherein the upper and lower plies are made of composite material sheets, the composite material sheets are reinforced with glass fiber cloth and matrix with epoxy resin, and the core layer is made of structural foam and honeycomb.
4. The light-weight roof structure of the passenger car as claimed in claim 1, wherein a first extension part is arranged on the outer side of the first aluminum profile wrapping part, the first fixing part is mounted in the overlapping area of the first extension part and the first longitudinal beam, and a first support part is further arranged at the bottom of the first longitudinal beam and used for supporting the edge of the roof main body in the length direction.
5. The light-weight roof structure of the passenger car according to claim 4, wherein the first fixing member is a blind rivet, and a joint of the first fixing member, the first longitudinal beam and the first aluminum section edging is subjected to sealing treatment.
6. The light-weight top cover structure of the passenger car according to claim 1, wherein a second extending portion is provided on an outer side of the second aluminum-profile hemmed piece, the second fixing piece is mounted on an overlapping region of the second extending portion and the cross beam, and a second supporting portion for supporting an edge of the top cover body in a width direction is provided on an inner side of the cross beam.
7. The light-weight roof structure of the passenger car according to claim 6, wherein the second fixing member is a bolt, and a joint of the second fixing member, the cross beam and the second aluminum section edging is subjected to sealing treatment.
8. The light-weight top cover structure of the passenger car as claimed in claim 1, further comprising an interior air duct section, wherein the interior air duct section is arranged on the inner side of the top cover structure, and the interior air duct section is connected with the top cover structure in a gluing mode and is connected with the top cover structure in a reinforcing mode through bolts.
9. The light-weight top cover structure of the passenger car as claimed in claim 8, wherein an interior facing is arranged on the interior facing duct section bar, and the interior facing is decorated by PVC imitation leather or PVC films.
10. The passenger car lightweight roof structure of claim 1, wherein the first longitudinal beam is pre-assembled with a trim flange nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122136222.4U CN216070207U (en) | 2021-09-06 | 2021-09-06 | Lightweight roof structure of passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122136222.4U CN216070207U (en) | 2021-09-06 | 2021-09-06 | Lightweight roof structure of passenger car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216070207U true CN216070207U (en) | 2022-03-18 |
Family
ID=80674715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122136222.4U Active CN216070207U (en) | 2021-09-06 | 2021-09-06 | Lightweight roof structure of passenger car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216070207U (en) |
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2021
- 2021-09-06 CN CN202122136222.4U patent/CN216070207U/en active Active
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