CN220349454U - Platform combined material vapour car roof assembly structure - Google Patents
Platform combined material vapour car roof assembly structure Download PDFInfo
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- CN220349454U CN220349454U CN202320941648.3U CN202320941648U CN220349454U CN 220349454 U CN220349454 U CN 220349454U CN 202320941648 U CN202320941648 U CN 202320941648U CN 220349454 U CN220349454 U CN 220349454U
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- top cover
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- side wall
- composite material
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- 239000000463 material Substances 0.000 title abstract description 13
- 239000002131 composite material Substances 0.000 claims abstract description 84
- 239000000853 adhesive Substances 0.000 claims abstract description 28
- 230000001070 adhesive effect Effects 0.000 claims abstract description 28
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 23
- 239000002390 adhesive tape Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 10
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 18
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000008719 thickening Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000000748 compression moulding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Abstract
The utility model provides a platform combined material car roof assembly structure, includes automobile body top cap, rubberizing bonding area, combined material wave support and rubberizing bonding area from top to bottom in proper order, and combined material wave support is the wave form quadrangle frame that whole shape is unanimous with automobile body top cap edge, and every wave department is equipped with the recess, and the cross-section of recess is isosceles trapezoid; the gluing adhesive area is a quadrilateral adhesive tape matched with the upper surface of the composite material wavy support and is used for bonding the composite material wavy support and the automobile body top cover; the lower surface of the composite material wave-shaped support is respectively connected with the front top cover beam, the rear top cover beam, the left side wall and the right side wall of the automobile top, and the lower gluing area is arranged on the contact surface of the composite material wave-shaped support and the front top cover beam, the rear top cover beam, the left side wall and the right side wall. The utility model discloses can realize local material thickness attenuate, top cap and subtract heavy under the prerequisite of guaranteeing the performance requirement, realize automobile body lightweight and with motorcycle type combined material top cap and other top cap platformization switching, reduction in production manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of automobile top covers, and particularly relates to a platform composite material automobile top cover assembly structure.
Background
The automobile roof assembly (skylight roof assembly) is an important structural member of the automobile body, the structural performance needs to meet the requirements of structural strength, impact resistance, mode, NVH performance and the like, and meanwhile, the roof outer structure also has appearance requirements as an appearance member. The roof assembly is generally assembled by rigid connection of upper and lower parts, and the existing mainstream scheme of the roof of the vehicle body welds the stamped metal roof on peripheral parts of the vehicle roof to ensure the overall performance of the vehicle body structure. In order to further improve the rigidity and vibration resistance of the top cover and realize the light weight of the vehicle body, the material of the top cover part in the assembly is replaced by a composite material, and the method not only can improve the overall mechanical property, but also can meet the special appearance requirement of the carbon fiber texture. Therefore, different vehicle body assembly schemes (glass roof scheme, composite roof scheme) are generated on the vehicle body roof assembly of the same model vehicle type in the whole assembly workshop according to different performance indexes and customer requirements.
However, the different size, material roof structures can result in structural changes to the body pieces, which can create additional cost burden for body design and line management in the overall automotive product. For example, referring to fig. 1, due to the different thicknesses (equal stiffness and equal strength design) of the top cover of the vehicle body made of different materials, the dimension of the left and right side walls of the vehicle body is changed by the design of the flanging height, so that two sets of different vehicle body assembly parts appear in the production process, and the labor and management cost of the whole assembly of the vehicle body are greatly increased.
Therefore, the application provides a platform-type composite material top cover structure scheme, which aims at solving the production change problem caused by assembling different top covers (glass and composite materials), and provides a reliable integrated scheme for integrating the composite material top covers, which is used for the integrated assembly of the top cover assembly in the whole car body.
Disclosure of Invention
The technical problems to be solved are as follows: aiming at the problems of production change and design change caused by different top covers when the top covers are assembled in the prior art, the utility model provides a platform composite material automobile top cover assembly structure which can enable the automobile top cover assembly to be suitable for automobiles with glass or composite material top covers.
The technical scheme is as follows: the bottom edge of the platform composite automobile top cover assembly structure is respectively connected with a top cover front beam, a top cover rear beam, a left side wall and a right side wall of the automobile top, the platform composite automobile top cover assembly structure sequentially comprises an automobile body top cover, a rubberizing bonding area, a composite wavy support and a rubberizing bonding area from top to bottom, wherein the rubberizing bonding area and the rubberizing bonding area are structural adhesive layers,
the composite material wave-shaped support is a wave-shaped quadrilateral frame with the integral shape consistent with the edge of the top cover of the car body, each wave position is provided with a groove, and the section of each groove is isosceles trapezoid;
the gluing adhesive area is a quadrilateral adhesive tape matched with the upper surface of the composite material wavy support and is used for bonding the composite material wavy support and the automobile body top cover;
the lower surface of the composite material wave-shaped support is respectively connected with the front top cover beam, the rear top cover beam, the left side wall and the right side wall of the automobile top, and the lower gluing area is arranged on the contact surface of the composite material wave-shaped support and the front top cover beam, the rear top cover beam, the left side wall and the right side wall.
Preferably, the platform composite automobile top cover assembly structure further comprises a top cover sealing strip, wherein the top cover sealing strip is arranged on the lower adhesive area, the top cover front cross beam, the top cover rear cross beam, the left side wall and the right side wall contact surface and used for sealing.
Preferably, the vehicle body top cover is made of composite materials or glass.
Preferably, the radian of the wavy support wave shape of the composite material is 15 degrees, and the overall thickness is 2.2mm.
Preferably, the back of the groove in the composite material wave-shaped support is a platform, the platform is an adhesive area, the adhesive width of the platform on the upper surface of the composite material wave-shaped support is 10mm, the adhesive width of the platform on the lower surface is 15mm, and the adhesive width requirement is met.
Preferably, the thickness of the rubberizing adhesive area and the rubberizing adhesive area is 1mm.
In the utility model, the specific connection process of the composite material and the process complexity of assembly are considered, the platform composite material automobile top cover structure is assembled in a structural adhesive mode, and in order to ensure the tightness of the top cover assembly and reduce the adhesive area, the applicant provides a composite material wave-shaped support which is formed in an integrated compression molding mode, so that the overall weight can be reduced on the premise of ensuring enough strength and rigidity, and the integrated compression molding process is mature and has better manufacturability. The structure can be suitable for the performance standard of equal rigidity and equal strength of different materials, for example, when the design caused by the top cover structure of different materials is changed into thickness, the wave plate bracket customized is embedded in the whole assembly, and the gap of height difference in the whole assembly can be eliminated, so that the number of vehicle body parts related to the change is reduced, and the aim of reducing the manufacturing and management cost of the parts of the production line is fulfilled. The method also provides an effective process route for body assembly lines of different roof caps (glass and composite materials).
The beneficial effects are that: the advantages brought by the novel device are mainly reflected in four aspects of mechanical property, production and manufacture, economic benefit and application innovation:
the mechanical properties are mainly advantageous in that: the composite material top cover assembly has good tightness and good NVH performance of the whole car body; under the condition of the first-order mode shape of the structure, the natural vibration frequency is larger, and the displacement deformation is smaller; the rigidity of the composite material top cover assembly under the top pressure test is higher; the torsional rigidity of the vehicle body is obviously improved.
On the production and manufacture, the integrated composite material top cover assembly scheme is applied to the production of homologous automobile bodies with a large number of different top cover structures, and the simple, practical and seamless switching integrated top cover assembly can reduce the difficulty of a production process, the complexity of worker operation, ensure the yield and accelerate the production beat, so that the management cost of a production line is reduced.
On economic benefits, the composite material top cover structure can realize partial thickness reduction and top cover weight reduction on the premise of ensuring performance requirements, further realize the light weight of the automobile body and reduce production and manufacturing cost.
The top cover assembly used in the scheme adopts a full composite material design, is a highly integrated composite material integration scheme, is an integration iteration of composite material vehicle body parts meeting market demands, and provides an innovation idea for composite material integration application.
Drawings
FIG. 1 is a schematic diagram of an assembly structure of a roof of a vehicle in the prior art, wherein (a) is a structure diagram of the roof of a composite material; FIG. (b) is a view of the structure of the glass top cover;
FIG. 2 is an isometric view of the assembly of the novel platform composite roof structure;
FIG. 3 is an exploded view of the novel automotive roof structure of the platform composite material;
FIG. 4 is a schematic view of a novel composite wavy support structure;
FIG. 5 is a right side view of the novel platfonn composite automotive roof structure;
fig. 6 is an enlarged view of portion a outlined in fig. 5.
The numerical references in the drawings are as follows: 1. a top cover front cross beam; 2. a top cover rear cross member; 3. left side wall; 4. a right side wall; 5. a body roof assembly; 5-1, a vehicle body top cover; 5-2, sizing an adhesive area; 5-3, supporting the composite material in a wave shape; 5-4, gluing the adhesive area; 5-5, top cover sealing strips; i, a side coaming of a top cover made of a composite material; II, a side coaming of a glass top cover; III, a composite material top cover; IV, a glass top cover.
Detailed Description
The present utility model will be further described with reference to the drawings and the specific embodiments.
The composite material mentioned in the examples of this specification was a glass fiber composite material, molded by HPRTM, and the fiber lay-up was a 5-layer 400gsm biaxial fiber cloth.
Examples
Referring to fig. 2-6, the bottom edge of the platform composite automobile top cover assembly structure is respectively connected with a top cover front cross beam 1, a top cover rear cross beam 2, a left side wall 3 and a right side wall 4 at the top of an automobile, and the platform composite automobile top cover assembly structure sequentially comprises an automobile body top cover 5-1, an upper gluing area 5-2, a composite wavy support 5-3 and a lower gluing area 5-4 from top to bottom, wherein the upper gluing area 5-2 and the lower gluing area 5-4 are structural adhesive layers.
The composite material wavy support 5-3 is a wavy quadrilateral frame with the integral shape consistent with the edge of the car body top cover 5-1, each wavy position is provided with a groove, and the section of each groove is isosceles trapezoid.
The upper gluing area 5-2 is a quadrilateral adhesive tape matched with the upper surface of the composite material wavy support 5-3 and is used for gluing the composite material wavy support 5-3 and the automobile body top cover 5-1.
The lower surface of the composite material wave-shaped support 5-3 is respectively connected with the top cover front beam 1, the top cover rear beam 2, the left side wall 3 and the right side wall 4 at the top of the automobile, and the lower adhesive area 5-4 is arranged on the contact surface of the composite material wave-shaped support 5-3 with the top cover front beam 1, the top cover rear beam 2, the left side wall 3 and the right side wall 4.
Examples
The difference with the embodiment 1 is that the platform composite automobile roof assembly structure further comprises a roof sealing strip 5-5, and the roof sealing strip 5-5 is arranged on contact surfaces of the lower adhesive area 5-4 and the roof front cross beam 1, the roof rear cross beam 2, the left side wall 3 and the right side wall 4.
The car body top cover 5-1 is made of a composite material and is a glass top cover.
The back of the groove in the composite material wave-shaped support 5-3 is a platform, the platform is an adhesive area, the adhesive width of the platform on the upper surface of the composite material wave-shaped support 5-3 is 10mm, the adhesive width of the platform on the lower surface is 15mm, and the adhesive width requirement is met.
The thickness of the upper gluing area 5-2 and the lower gluing area 5-4 is 1mm.
Examples
The difference is that the roof body 5-1 in this embodiment is a composite roof body as in embodiment 2.
The assembly mode of the structure is as follows:
the composite members are glued to each other and then connected to the remaining body periphery members. The mutual gluing process of the composite material parts is completed by gluing automatic equipment, wherein the specific running water operation is as follows: firstly, structural adhesive is coated on an upper cementing area 5-2 of a composite material wavy support 5-3, and the upper cementing area is bonded with a composite material vehicle body top cover 5-1 after being pressed together. And then, coating structural adhesive on the lower adhesive area 5-4 below the composite material wavy support 5-3, and bonding with the top cover sealing strip 5-5 to complete the assembly of the composite material top cover assembly.
In view of the problems of the prior art, the applicant also considered locally thickening the periphery of the composite top cover iii. However, the thickening height of the scheme is related to an actual structure, the thickening is limited by a production process and can not be formed, and meanwhile, the thickening area is too large, so that the weight is increased, and the weight limit range is exceeded; the applicant also considers the scheme that the support piece is not adopted for complete glue injection, but the scheme greatly improves the overall sealing process requirement, is not suitable for whole vehicle assembly, and simultaneously greatly improves the glue injection cost; in addition, the applicant also considers that the support piece is not designed by adopting a wave-shaped structure, but the scheme can lead to material gluing redundancy, and the composite material support adopts the wave-shaped structure, so that the gluing area can be reduced to the greatest extent on the premise of ensuring the structural strength and rigidity, and the assembly sealing cost is saved.
Claims (6)
1. The bottom edge of the platform composite automobile top cover assembly structure is respectively connected with a top cover front cross beam (1), a top cover rear cross beam (2), a left side wall (3) and a right side wall (4) at the top of an automobile, and the platform composite automobile top cover assembly structure is characterized by sequentially comprising an automobile body top cover (5-1), an upper gluing area (5-2), a composite wavy support (5-3) and a lower gluing area (5-4) from top to bottom, wherein the gluing area (5-2) and the lower gluing area (5-4) are structural adhesive layers,
the composite material wave-shaped support (5-3) is a wave-shaped quadrilateral frame with the integral shape consistent with the edge of the top cover (5-1) of the automobile body, each wave is provided with a groove, and the section of each groove is isosceles trapezoid;
the upper gluing area (5-2) is a quadrilateral adhesive tape matched with the upper surface of the composite material wavy support (5-3) and is used for gluing the composite material wavy support (5-3) and the automobile body top cover (5-1);
the lower surface of the composite material wavy support (5-3) is respectively connected with a top cover front beam (1), a top cover rear beam (2), a left side wall (3) and a right side wall (4) at the top of the automobile, and the lower adhesive area (5-4) is arranged on the contact surface of the composite material wavy support (5-3) with the top cover front beam (1), the top cover rear beam (2), the left side wall (3) and the right side wall (4).
2. The platform composite automobile roof assembly structure according to claim 1, further comprising a roof sealing strip (5-5), wherein the roof sealing strip (5-5) is arranged on contact surfaces of the lower adhesive area (5-4) and the roof front cross beam (1), the roof rear cross beam (2), the left side wall (3) and the right side wall (4).
3. A platform composite roof assembly structure according to claim 1, characterized in that the roof (5-1) is a composite or glass.
4. A flattened composite automotive roof assembly structure in accordance with claim 1 wherein the composite undulating support (5-3) has an undulating curvature of 15 ° and an overall thickness of 2.2mm.
5. The platform composite automobile roof assembly structure according to claim 1, wherein the back surface of the groove in the composite wavy support (5-3) is a platform, the platform is an adhesive area, the adhesive width of the platform on the upper surface of the composite wavy support (5-3) is 10mm, and the adhesive width of the platform on the lower surface is 15mm.
6. The automotive roof assembly structure of claim 1, wherein the upper and lower adhesive areas (5-2, 5-4) are each 1mm thick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320941648.3U CN220349454U (en) | 2023-04-24 | 2023-04-24 | Platform combined material vapour car roof assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320941648.3U CN220349454U (en) | 2023-04-24 | 2023-04-24 | Platform combined material vapour car roof assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220349454U true CN220349454U (en) | 2024-01-16 |
Family
ID=89482111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320941648.3U Active CN220349454U (en) | 2023-04-24 | 2023-04-24 | Platform combined material vapour car roof assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220349454U (en) |
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2023
- 2023-04-24 CN CN202320941648.3U patent/CN220349454U/en active Active
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