CN116529102A

CN116529102A - Top cover structure

Info

Publication number: CN116529102A
Application number: CN202080107237.3A
Authority: CN
Inventors: 佟林; 傅强; 宋永乐; 陈晓磊
Original assignee: Zhejiang Zhima Intelligent Technology Co Ltd
Current assignee: Zhejiang Zhima Intelligent Technology Co Ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2023-08-01
Also published as: WO2022109799A1

Abstract

The utility model provides a top cap structure, top cap structure includes preceding windshield (23), preceding top decoration board (22), top cap planking (21) and top cap front beam (24), preceding windshield (23) are equipped with first side and the second side opposite with first side, the first side of preceding windshield (23) is connected with preceding top decoration board (22), the second side of preceding windshield (23) is connected with top cap planking (21), preceding top decoration board (22) are connected with top cap planking (21), top cap planking (21) are connected with top cap front beam (24). The top cover structure meets the requirements of front upper visual field and appearance modeling, and improves subjective feeling of a driver; ensuring the rigidity and the mode of the top cover front cross beam (24); the front top decoration plate (22) uses foam and sealing rubber strips, the foam ring has enough lap joint space, the open hole area is ensured to be a dry area, and the sealing performance of the whole vehicle is ensured.

Description

Top cover structure

Technical Field

The invention relates to the field of vehicle structures, in particular to a top cover structure.

Background

In the automobile design process, subjective feeling of a driver is particularly important, and human engineering and appearance modeling influence the feeling of the driver on automobile products, so that the double requirements of front upper visual field and modeling characteristics are required to be met. The front upper view serves as an important index in human engineering, so that subjective feeling and observation safety of a driver are affected; the front upper view angle is too small, so that a sense of depression is brought to a driver, the front view is not wide, observation is affected, and potential safety hazards are brought.

As shown in fig. 1 and 2, in the conventional automobile design, the front windshield 12 and the sheet metal top cover 11 are directly matched through glue 13, so that the automobile is applied to most automobile designs and production; however, for a vehicle model in which the shape is intended to exhibit a "tilting roof" structure at the front end of the roof, the front upper view is not well ergonomic.

Therefore, it is desirable to provide a roof structure that not only allows for the shaping of a suspended roof, but also meets the requirements for the upper view of the front of the ergonomic system, and also meets the requirements for structural performance.

Disclosure of Invention

In order to solve the problem that the prior art cannot realize the suspended roof modeling under the condition of meeting the requirement of the upper view before the man-machine engineering, the invention provides a top cover structure, and the invention is realized by the following technical scheme.

The invention provides a top cover structure which comprises a front windshield, a front top decoration plate, a top cover outer plate and a top cover front cross beam, wherein the front windshield is provided with a first side and a second side opposite to the first side, the first side of the front windshield is connected with the front top decoration plate, the second side of the front windshield is connected with the top cover outer plate, the front top decoration plate is connected with the top cover outer plate, and the top cover outer plate is connected with the top cover front cross beam.

The invention provides a further improvement of a top cover structure, which is characterized in that the top cover outer plate is welded with the top cover front cross beam.

The invention provides a further improvement of a top cover structure, which is characterized in that a top cover front cross beam is provided with reinforcing ribs.

The invention provides a further improvement of a top cover structure, which is characterized in that a top cover front cross beam is provided with a first end and a second end opposite to the first end;

the top cover planking is equipped with first plate body, second plate body and third plate body, the second plate body is located first plate body with between the third plate body, first plate body respectively with preceding windshield's second side with the first end of top cover front beam is connected, the second plate body respectively with the second end of top cover front beam with preceding top decoration board is connected, the automobile body surface is located to the third plate body.

The invention provides a further improvement of a top cover structure, wherein the third plate body is provided with a first flanging which is bent in a direction away from the front top decorative plate, and the second plate body is connected with the first flanging.

The invention provides a further improvement of a top cover structure, wherein the second end of a top cover front cross beam is connected with one side of a second plate body, which is close to a first flanging.

The invention provides a further improvement of a top cover structure, wherein the second plate body is provided with a second flanging which is bent in a direction away from the front top decorative plate, and the first plate body is connected with the second flanging.

The invention provides a further improvement of a top cover structure, which is characterized in that a second plate body is provided with an opening area, the opening area is provided with a mounting hole, the front top decorative plate is provided with a buckle, and the buckle is clamped in the mounting hole.

The invention provides a further improvement of a top cover structure, wherein a positioning hole is further formed in the hole opening area, a positioning pin is further arranged on the front top decorative plate, and the positioning pin is arranged in the positioning hole.

The invention provides a further improvement of a top cover structure, which further comprises a foam ring, wherein the foam ring is arranged between the top cover outer plate and the second plate body, and the foam ring is arranged around the open hole area.

The invention provides a further improvement of a top cover structure, wherein the angle of the first flanging is 15 degrees, and the fillet radius of the first flanging is 2mm.

The invention provides a further improvement of a top cover structure, wherein the second plate body is provided with a third flanging, and the third flanging is arranged around the mounting hole or around the positioning hole.

The invention provides a further improvement of a top cover structure, wherein the angle of a drawing angle of the third flanging is 150 degrees, and the radius of a fillet of the third flanging is 8mm.

The invention provides a further improvement of a top cover structure, which is characterized in that the appearance surface of the top cover outer plate is formed by stamping at one time.

Compared with the prior art, the invention can meet the requirements of front upper visual field and appearance modeling, and improves subjective feeling of a driver; the characteristic ribs are added on the front cross beam of the top cover, and the expansion glue connection is optimized to be spot-welded and directly welded with the outer plate of the top cover, so that the rigidity and the mode of the front cross beam of the top cover are ensured; the second plate body is used as a plate body with plane characteristics, foam and sealing rubber strips are used for the front top decoration plate, and the foam ring has enough lap joint space, so that an open hole area is a dry area, and the sealing performance of the whole vehicle is ensured; on the premise of meeting the installation space of the front top decorative plate, the drawing angles of the first flanging and the third flanging are increased, the characteristic size of the round angle is optimized, the quality of the surface A is ensured, the requirement of one-step forming of stamping is met as much as possible, and the cost of complex procedures such as side shaping is avoided.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a connecting structure of a front windshield glass and a roof outer plate in the prior art.

Fig. 2 is a schematic cross-sectional view of A-A of fig. 1.

Fig. 3 is a schematic diagram of a connection structure between a front cross beam of a top cover and an outer plate of the top cover through expansion glue in the prior art.

Fig. 4 is a schematic cross-sectional view of B-B of fig. 3.

Fig. 5 is a schematic view showing a connection structure among a front roof trim, a front windshield glass and a roof outer panel in the embodiment of the invention.

Fig. 6 is a schematic diagram of a connection structure of a top cover structure according to an embodiment of the present invention.

Fig. 7 is a schematic top view of a front cross member of a roof in an embodiment of the invention.

Fig. 8 is a schematic view of the structure of the roof front rail and the roof outer panel of fig. 7.

Fig. 9 is a schematic structural view of the reinforcing rib in fig. 8.

Fig. 10 is a schematic structural view of an outer panel of the roof according to an embodiment of the present invention.

Fig. 11 is a schematic cross-sectional view of C-C of fig. 10.

Fig. 12 is a schematic view of the foam ring of fig. 10 disposed around the open area.

Fig. 13 is a schematic cross-sectional view of D-D in fig. 12.

Fig. 14 is a schematic structural view of the third flange.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 5 to 14, the roof structure in this embodiment includes a front windshield 23, a front roof trim 22, a roof outer panel 21, and a roof front cross member 24, the front windshield 23 is provided with a first side and a second side opposite to the first side, the first side of the front windshield 23 is connected to the front roof trim 22, the second side of the front windshield 23 is connected to the roof outer panel 21, the front roof trim 22 is connected to the roof outer panel 21, and the roof outer panel 21 is connected to the roof front cross member 24. An interior ceiling 27 is provided below the roof front rail 24. The interior ceiling 27 is one of interior parts, and the interior ceiling 27 has effects of sound insulation, sound absorption and heat insulation, in addition to improving the interior decoration of the vehicle.

In this embodiment, the front roof trim 22 is provided and connected to the front windshield 23 and the roof outer panel 21, respectively, so that the problems of front upper view and appearance modeling can be solved, and the requirements of front upper view of human engineering can be met while the design concept of suspended roof modeling is realized.

The suspended roof molding is to separate the roof from the vehicle body through design or color matching of the opposite pillars, so that visual errors of separation of the roof and the vehicle body are given to people, the suspended roof design can bring special visual effects, and the vertical continuity of the color of the vehicle body is disconnected through black ornaments, so that the visual height of the whole vehicle is lower than the actual height. The black ornament and the side window are matched to form a more characteristic side wall main characteristic, so that the side wall main characteristic is very strong in identifiability, and the whole cockpit can feel rear-mounted visually, so that the movement feeling can be enhanced.

As shown in fig. 1 and 2, the roof structure of the prior art includes a front windshield 12 and a roof outer panel 11, and a suspended roof cannot be provided in a case where the upper view requirement before the ergonomics is satisfied. In the present embodiment, the front roof trim 22 is added, so that the front roof trim 22 forms a suspended roof shape with a more attractive appearance under the condition of meeting the requirement of the upper view before the man-machine engineering. Compared with a vehicle type without a front roof trim, the embodiment can also meet the same degree of ergonomic front upper view requirement.

Further, the roof outer panel 21 is welded to the roof front rail 24. In this embodiment, the front roof trim 22 is adhered to the first side of the front windshield 23 by an adhesive tape 28 at a final assembly shop, the second side of the front windshield 23 is adhered to the roof outer panel 21 by a glass cement 25 at the final assembly shop, and the roof outer panel 21 and the roof front cross member 24 are connected by welding. As shown in fig. 3 and 4, the outer roof panel 11 and the front roof rail 14 are connected by using an expansion adhesive 15 in the prior art; the expansion adhesive is an automobile special expansion adhesive tape or sheet with synthetic rubber and resin as base materials. Compared with the mode of using expansion glue to connect in the prior art, the embodiment is connected through the welded mode, can make the structure more firm, and the wholeness can be better, has guaranteed the NVH performance of top cap front cross beam 24. The mounting of the front roof rail 22 does not affect the structure, stiffness and NVH performance of the roof front rail 24.

Further, the roof front rail 24 is provided with a stiffener 242. The reinforcing ribs 242 provided in this embodiment can further improve the rigidity of the front cross member 24 of the top cover, so that the structure is more stable. The shape of the reinforcing rib 242 is not limited as long as it can function to raise the rigidity of the roof front rail 24.

Further, the roof front rail 24 is provided with a first end and a second end opposite the first end; the roof outer panel 21 is provided with a first plate body 51, a second plate body 52 and a third plate body 53, the second plate body 52 is arranged between the first plate body 51 and the third plate body 53, the first plate body 51 is respectively connected with the second side of the front windshield glass 23 and the first end of the roof front cross beam 24, the second plate body 52 is respectively connected with the second end of the roof front cross beam 24 and the front roof trim panel 22, and the third plate body 53 is arranged on the surface of the vehicle body. The shape and structure of the roof outer plate 21 in this embodiment are adapted to the installation requirement of the front roof trim panel 22, so that the front roof trim panel 22 is firmly and firmly installed in place, and the overall structural stability is ensured.

In this embodiment, the front windshield 23 may be covered on the first plate 51, the front roof trim 22 may be covered on the second plate 52, and the third plate 53 may be directly exposed and located on the surface of the vehicle body. In this embodiment, the first plate 51 is adhered to the second side of the front windshield 23 by using glass cement 25, the second plate 52 is welded to the second end of the front cross member 24 of the top cover, and the second plate 52 and the front top decorative plate 22 can be connected by using a buckle 26.

Further, the third plate 53 is provided with a first flange 501 bent in a direction away from the front roof trim 22, and the second plate 52 is connected to the first flange 501. In this embodiment, in order to adapt to the mounting structure of the front roof trim 22, the first flange 501 is provided, and the first flange 501 is bent in the vehicle interior direction, so that the second plate 52 is lower than the third plate 53, and a mounting space is provided for the front roof trim 22. The outward bulge of the front top decorative plate 22 is avoided, so that the whole top cover structure can keep a very smooth curve shape, and the air resistance in the driving process is reduced; the appearance is more beautiful and attractive.

Further, the second end of the roof front rail 24 is connected to a side of the second plate 52 adjacent to the first flange 501. Specifically, the two are connected by welding, and the distribution positions of the welding spots 241 are shown in fig. 8. The reinforcing ribs 242 are provided near the welding points 241. The welding spots 241 are uniformly disposed at the second end of the header front rail 24. The number of the welding spots 241 is determined according to actual demands. Compared with the prior art, the structure can be firmer and the overall performance is better by connecting the top cover front cross beam 24 in a welding mode, so that the NVH performance of the top cover front cross beam 24 is guaranteed.

Further, the second plate 52 is provided with a second flange 502 bent in a direction away from the front roof trim 22, and the first plate 51 is connected to the second flange 502. In this embodiment, the second flange 502 is provided, so that the first plate 51 is formed by the bent second flange 502, so as to provide an installation space for the front windshield glass 23, and the front windshield glass 23 can be arranged between the first plate 51 and the front top decorative plate 22, so that the structure is compact and stable.

Further, the second plate 52 is provided with an opening area, the opening area is provided with a mounting hole 211, the front top decoration plate 22 is provided with a buckle 26, and the buckle 26 is clamped in the mounting hole 211. The second plate 52 and the front top decoration plate 22 in this embodiment are connected by the buckle 26, and the buckle 26 of the front top decoration plate 22 is directly clamped in the mounting hole 211 of the second plate 52, so that the clamping connection between the front top decoration plate 22 and the second plate 52 is realized, and the connection mode of using the buckle 26 for connection is simple, firm and reliable.

Still further, the perforated area is further provided with a positioning hole 212, and the front roof trim 22 is further provided with a positioning pin, which is disposed in the positioning hole 212. In this embodiment, the positioning pin can play a role in positioning, and when the front roof trim 22 is mounted, the positioning pin is first mounted in the positioning hole 212, so as to ensure that the mounting position of the front roof trim 22 is correct. The positioning pin is arranged opposite to the positioning hole 212, so that the accurate installation position between the front top decorative plate 22 and the top cover outer plate 21 is ensured when the positioning pin is penetrated into the positioning hole 212.

Still further, a foam ring 213 is further included, the foam ring 213 being provided between the top cover outer plate 21 and the second plate body 52, the foam ring 213 being provided around the opening area. The foam is a material foamed by plastic particles, and has a series of characteristics of elasticity, light weight, quick pressure-sensitive fixation, convenient use, free bending, ultrathin volume, reliable performance and the like. In this embodiment, the foam ring 213 is disposed between the top cover outer plate 21 and the second plate 52, the second plate 52 provides a sufficient compression space for installing the foam ring 213, the second plate 52 firmly presses the foam ring 213 under the front top decoration plate 22, so that the foam ring 213 plays a role in sealing, water is prevented from penetrating into the open hole area, water is prevented from penetrating into or flowing into the vehicle body through the open hole area, moisture in the vehicle is prevented, the open hole area can be ensured to be a dry area by the foam ring 213, and the sealing performance of the whole vehicle is realized.

Further, in order to secure manufacturability and manufacturing yield of the roof outer panel 21, the angle of the first flange 501 is 15 °, and the radius of the rounded corner R2 of the first flange 501 is 2mm. Further, the second plate 52 is provided with a third flange 503, and the third flange 503 is provided around the mounting hole 211 or around the positioning hole 212. Still further, the draft angle of the third flange 503 is 150 °. The draft angle refers to the angle between the tangential direction of the side of the workpiece intersecting the parting surface of the die and the normal direction of the parting surface of the die, which is artificially set for better removal (extraction) of the workpiece from the die. For example, when the drawing angle is set, after the plastic product is molded and cooled, the workpiece is easily dropped out or taken out as long as the bottom surface is ejected through the ejector pin when the workpiece is demolded, thereby facilitating the workpiece to be separated from the die. The radius R8 of the fillet of the third flanging is 8mm. As shown in fig. 12 and 13, the positioning hole 212 in the present embodiment is provided in the middle of the opening area near one end of the third plate 53; a region of 10mm width is provided between the first flange 501 and the third flange 503 for the provision of the foam collar 213.

In this embodiment, the first flange 501, the second flange 502 and the third flange 503 may be formed by using a flange process, which is a forming method of forming a straight wall or a flange with a certain angle along a closed or non-closed curved edge on a plane portion or a curved portion of a blank by using a mold, and the flange process is one of punching processes. The flanging process can process three-dimensional workpieces with complex shapes and good rigidity, and can prepare parts assembled with other product parts on stamping parts, such as middle wallboard flanging of a passenger car of a locomotive, rolling iron flanging of a pedal door of the passenger car, flanging of an outer door plate of the car, flanging of an oil tank of a motorcycle, flanging of a small threaded hole of a metal plate and the like. The flanging process can replace the deep drawing process of some complex workpieces, improve the plastic fluidity of the materials so as to avoid cracking or wrinkling, replace the method of firstly drawing and then cutting to prepare bottomless workpieces, reduce the processing times and save the materials.

Further, the appearance surface of the roof outer plate 21 is formed by one-step stamping, so that the quality of the surface a (the surface a is a class a curved surface, namely CAS in the design of an automobile, which means a curved surface with very high quality, here, the appearance surface of the roof outer plate 21) can be ensured, and the cost increase in complicated procedures such as side shaping can be avoided.

Compared with the prior art, the invention can meet the requirements of front upper visual field and appearance modeling, and improves subjective feeling of a driver; the characteristic ribs are added on the top cover front beam 24, and the expansion glue connection is optimized to be directly welded with the top cover outer plate 21 through spot welding, so that the rigidity and the mode of the top cover front beam 24 are ensured; the second plate 52 is used as a plate with plane characteristics, and the front top decoration plate 22 uses a foam ring 213 and a sealing rubber strip, so that the foam ring 213 has enough lap joint space, an open hole area is ensured to be a dry area, and the sealing performance of the whole vehicle is ensured; on the premise of meeting the installation space of the front top decoration plate 22, the die drawing angles of the first flanging 501 and the third flanging 503 are increased, the characteristic size of the fillet is optimized, the quality of the surface A is ensured, the requirement of one-step forming of stamping is met as much as possible, and the cost is increased in complex procedures such as side shaping.

The foregoing is only illustrative of the present invention and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present invention.

Claims

The utility model provides a roof structure, its characterized in that includes preceding windshield (23), preceding top decoration board (22), top cap planking (21) and top cap front cross beam (24), preceding windshield (23) be equipped with first side and with the second side that first side is relative, the first side of preceding windshield (23) with preceding top decoration board (22) are connected, the second side of preceding windshield (23) with top cap planking (21) are connected, preceding top decoration board (22) with top cap planking (21) are connected, top cap planking (21) with top cap front cross beam (24) are connected.
Roof construction according to claim 1, characterized in that the roof outer panel (21) is welded to the roof front rail (24).
The roof structure according to claim 1, characterized in that the roof front cross rail (24) is provided with a reinforcement rib (242).
The roof structure according to claim 1, wherein the roof front rail (24) is provided with a first end and a second end opposite to the first end;

the top cover outer plate (21) is provided with a first plate body (51), a second plate body (52) and a third plate body (53), the second plate body (52) is arranged between the first plate body (51) and the third plate body (53), the first plate body (51) is respectively connected with the second side of the front windshield and the first end of the top cover front cross beam (24), the second plate body (52) is respectively connected with the second end of the top cover front cross beam (24) and the front top decoration plate, and the third plate body (53) is arranged on the surface of a vehicle body.
The roof structure according to claim 4, wherein the third plate body (53) is provided with a first flange (501) bent in a direction away from the front roof trim, and the second plate body (52) is connected to the first flange (501).
The roof structure according to claim 5, characterized in that the second end of the roof front rail (24) is connected to a side of the second plate body (52) adjacent to the first flange (501).
The roof structure according to claim 6, wherein the second plate body (52) is provided with a second flange (502) bent in a direction away from the front roof trim, and the first plate body (51) is connected to the second flange (502).
The roof structure according to claim 5, wherein the second plate body (52) is provided with an opening area, the opening area is provided with a mounting hole (211), the front roof trim (22) is provided with a buckle (26), and the buckle (26) is clamped in the mounting hole (211).
The roof structure of claim 8, wherein the open area is further provided with a positioning hole (212), and the front roof trim (22) is further provided with a positioning pin, and the positioning pin is disposed in the positioning hole (212).
The roof structure of claim 9, further comprising a foam collar (213), said foam collar (213) being disposed between said roof outer panel (21) and said second panel (52), said foam collar (213) being disposed about said open area.
The roof construction according to claim 5, characterized in that the angle of the first flange (501) is 15 °, and the fillet radius of the first flange (501) is 2mm.
The roof structure according to claim 9, wherein the second plate body (52) is provided with a third flange (33), and the third flange (33) is provided around the mounting hole (211) or around the positioning hole (212).
The roof construction according to claim 12, characterized in that the angle of the draft angle of the third flange (33) is 150 °, and the fillet radius of the third flange (33) is 8mm.
The roof structure according to claim 1, wherein the exterior surface of the roof outer panel (21) is press-formed in one piece.