CN217705965U

CN217705965U - Top cover crossbeam, mounting structure and vehicle

Info

Publication number: CN217705965U
Application number: CN202222003149.8U
Authority: CN
Inventors: 唐林
Original assignee: Chongqing Changan Automobile Co Ltd
Current assignee: Chongqing Changan Automobile Co Ltd
Priority date: 2022-07-31
Filing date: 2022-07-31
Publication date: 2022-11-01
Anticipated expiration: 2032-07-31

Abstract

The utility model relates to and a top cap crossbeam, mounting structure and vehicle. The top cover beam comprises a top cover beam body, the cross section of any position of the top cover beam body along the Y direction of the automobile is the same, and the top cover beam body is formed by adopting a rolling process. The utility model also provides a mounting structure of top cap crossbeam, include the top cap crossbeam, still include from the top down welded top cap planking, side wall roof side rail reinforcing plate and side wall roof side rail inner panel in proper order, the side wall roof side rail reinforcing plate is formed with and overlaps welded reinforcing plate top overlap edge with top cap crossbeam body towards top cap crossbeam body extension. The utility model also provides a vehicle, include the top cap crossbeam's mounting structure. The utility model provides a there is the problem that the structure is complicated, can't realize that the platformization is used and development cost is high in current top cap crossbeam to and the installation of current top cap crossbeam is because of the welding number of piles is many, the problem that rosin joint, solder joint intensity are not enough easily appears.

Description

Top cover crossbeam, mounting structure and vehicle

Technical Field

The utility model relates to an automobile parts technical field, concretely relates to top cap crossbeam, mounting structure and vehicle.

Background

Price is an important consideration when consumers buy vehicles, and a product with reliable quality and affordable price is undoubtedly the best choice. Therefore, when designing a product structure, product developers need to improve various performance indexes of the product structure as much as possible and reduce production and manufacturing costs as much as possible, so that the product is guaranteed to have excellent cost performance to attract more terminal consumers. In addition, with the enhancement of national environmental protection consciousness and the increasing competition of the automobile industry, the requirements on energy conservation, emission reduction and light weight of vehicles are higher and higher.

In the prior art, particularly for a vehicle without a skylight and a small skylight, 1-4 unequal roof middle cross beams are arranged at the middle position of a top cover of a vehicle body, namely between a front roof cross beam and a rear roof cross beam, and have similar structures and the same installation method. For example, a top cover beam disclosed in CN 209870534U is a common cold stamping top cover middle beam of a mainstream vehicle type at present, the flat two ends of the top cover middle beam are lapped and spot-welded with left and right side wall parts, the middle part is a cavity, glue coating grooves are dispersedly arranged on the flanging surface, the cross section of the beam is not completely consistent from the left end to the right end, the thickness of parts is about 1.0mm-1.5mm, and the material is generally DC series low-strength steel plate.

Among the prior art, no matter be the same style motorcycle type, still different motorcycle types, because the structure is incomplete the same, consequently every top cap entablature all can brand-new development one set of dedicated casting mould, this is a considerable frock development cost undoubtedly. And the blank size is compared with the net expansion size of the part, the allowance of 200-400mm is additionally increased, so that the material utilization rate of the part is generally low. And the two ends of the cross beam are in lap joint with the left and right side wall parts, so that the number of the metal plate layers for side wall welding is increased, namely, the top cover outer plate, the top cover middle cross beam, the side wall outer plate, the side wall upper side beam reinforcing plate and the side wall upper side beam inner plate are in lap joint with five layers of metal plates, and the problems of insufficient strength and insufficient rosin joint easily occur in welding spots of multi-layer metal plate welding. In order to avoid welding of five layers of metal plates, notches are designed on the side wall upper side beam inner plate or the reinforcing plate through brain juice twisting, but the problems of uneven arrangement of welding spots, dense welding spots and the like can be caused by operation, and the production rhythm is further influenced. In addition, the DC series low-grade material that the crossbeam adopted in the top cap, intensity is lower, for guaranteeing the crossbeam performance, usually compensates with the mode that increases the material thickness, and this has seriously deviated from the requirement of automobile body lightweight. Nevertheless, still can't adopt the steel sheet of high strength, thin material, because high strength steel material is higher, has brought very big challenge to cold stamping die's design and debugging, needs a large amount of manpower and materials constantly to debug, comes to respond to the bad technology problems such as punching press resilience, fracture, surface crushing that material strength improves and brings, still can shorten the life of mould greatly simultaneously.

In summary, the existing top cover middle beam mounting structure has certain technical problems in the aspects of development cost, production efficiency, performance and light weight.

Disclosure of Invention

One of the purposes of the utility model is to provide a top cover beam, which solves the problems of complex structure, incapability of realizing platform application and high development cost of the existing top cover beam; two aims at providing a mounting structure and vehicle of top cap crossbeam to the installation of solving current top cap crossbeam is because of the welding number of piles is many, easily appears rosin joint, solder joint intensity not enough problem.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

the top cover beam comprises a top cover beam body, the cross section of any position of the top cover beam body along the Y direction of an automobile is the same, and the top cover beam body is formed by adopting a rolling process.

According to the technical means, establish into the complete uniformity through following the cross-section of car Y to arbitrary department with the top cap crossbeam, and adopt the shaping of roll-in technology, to the top cap crossbeam of different car check, only need the running roller parameter of adjustment roll-in equipment in process of production, can adjust the length and the radian of top cap crossbeam, adapt to different car check to top cap crossbeam length, the figurative requirement of radian, greatly reduced manufacturing cost, the different crossbeams of having avoided different car checks all need develop the mould alone, and there is the problem that frock development cost is high, and simple structure still has simultaneously, the universal advantage of platformization has been realized, and can avoid there being the problem that the manufacturing accuracy is low because of the structure is complicated.

Preferably, the top cover beam body is made of a high-strength steel plate, and the thickness of the high-strength steel plate is 0.7-1.2 mm.

The top cover beam body can adopt the high-strength steel plate as a raw material due to the adoption of the rolling process for forming, so that the thickness of the steel plate can be reduced on the premise of ensuring high strength, the requirement on light weight of an automobile is met, the material utilization rate of the high-strength steel plate rolling forming process is up to 80-90% through practice, the material utilization rate is obviously greatly improved, and the material cost is effectively saved.

Preferably, the two ends of the roof beam body in the X direction of the automobile are provided with gluing flanges along the Y direction of the automobile.

Preferably, the top cover beam body is provided with a glue coating groove at a position close to the glue coating flanging along the Y direction of the automobile.

Preferably, the roof beam body is provided with a reinforcing rib in the middle of the X direction of the automobile along the Y direction of the automobile.

Through along car Y to setting up the rubber coating groove and the strengthening rib that link up on top cap crossbeam body, both effectively improved the holistic intensity of top cap crossbeam in coordination, are of great benefit to the anti concave performance of automobile body top cap.

Preferably, the top cover beam body is provided with positioning holes at positions close to two ends in the Y direction of the automobile, and a plurality of electrophoresis holes are formed in the positions between the glue coating grooves and the reinforcing ribs at intervals in the Y direction of the automobile.

The utility model also provides a mounting structure of top cap crossbeam, include the top cap crossbeam, still include from the top down welded top cap planking, side wall roof side rail reinforcing plate and side wall roof side rail inner panel in proper order, the side wall roof side rail reinforcing plate orientation top cap crossbeam body extend be formed with top cap crossbeam body closes welded reinforcing plate top overlap edge.

According to the above technical means, through adopting the utility model discloses a high strength top cap crossbeam is as top cap middle cross beam to improve top cap crossbeam and side wall assembly and top cap planking and form the original welding processes of welding the assembly, change five layers of welding into four layers of welding, effectively avoided because of the welding number of piles is many, the problem that rosin joint, solder joint intensity are not enough easily appears.

Preferably, a reinforcing plate top flanging is formed on one side, close to the top cover beam body, of the side wall upper side beam reinforcing plate along the X direction of the automobile, and the reinforcing plate top flanging faces the top cover beam body and extends at intervals to form reinforcing plate top overlapping edges.

Preferably, an inclined surface is formed between the reinforcing plate top flange and the reinforcing plate top overlapping edge, and flange edges are formed at two ends of the reinforcing plate top overlapping edge in the X direction of the automobile.

The utility model also provides a vehicle, include the top cap crossbeam's mounting structure.

The utility model has the advantages that:

1) The utility model discloses a top cover crossbeam establishes to be completely unanimous through the cross-section of following the arbitrary department of car Y to the top cover crossbeam, and adopt the roll-in technology shaping, to the top cover crossbeam of different car check, only need to adjust the running roller parameter of roll-in equipment in process of production, can adjust the length and the radian of top cover crossbeam, adapt to the requirement of different car checks to top cover crossbeam length, radian molding, realized that a pair of roll-in equipment development produces multi-vehicle type top cover crossbeam, greatly reduced manufacturing cost, and shortened spare part development cycle, avoided the different crossbeams of different car checks all need develop the mould alone, and there is the problem that frock development cost is high, still have simple structure simultaneously, realized the advantage of platformization design, and can avoid having the problem that the manufacturing accuracy is low because of the structure is complicated;

2) The utility model discloses a mounting structure of top cap crossbeam, the material through adopting the steel sheet of high strength as the top cap crossbeam improves top cap crossbeam, side wall assembly and top cap planking simultaneously and forms the original welding processes of welding the assembly to four layers of welding replace current five layers of welding, have effectively avoided because of the welding number of piles is many, the problem that rosin joint, solder joint intensity are not enough easily appears, at automobile parts technical field, have popularization and application and worth.

Drawings

Fig. 1 is a schematic structural view of a top cover beam of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view taken along A-A of FIG. 1;

fig. 3 is a schematic structural view of the mounting structure of the top cover beam of the present invention;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 5 is a partial view of a side sill gusset;

the method comprises the following steps of 1-a top cover beam body, 11-gluing and flanging, 12-gluing grooves, 13-reinforcing ribs, 14-positioning holes, 15-electrophoresis holes, 16-marking areas and 17-welding areas; 2-a top cover outer plate; 3-side outer plate; 4-side wall upper side beam reinforcing plate, 41-reinforcing plate top overlapping edge, 42-reinforcing plate top flanging, 43-inclined surface and 44-flange edge; 5-side wall upper side beam inner plate; 6-top cover front beam; 7-roof rear cross beam; 8-left side wall assembly; 9-right side wall assembly.

Detailed Description

The embodiments of the present invention will be described with reference to the accompanying drawings and preferred embodiments, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure in the specification. The present invention can be implemented or applied by other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be understood that the preferred embodiments are presented for purposes of illustration only and are not intended to limit the scope of the present disclosure.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic concept of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.

Example 1

As shown in fig. 1 and 2, the roof beam comprises a roof beam body 1, the cross section of any position of the roof beam body 1 along the Y direction of the automobile is the same, namely the end faces from left to right are completely consistent, and the roof beam body 1 is formed by adopting a rolling process.

The high-strength steel plate is selected for the top cover beam body 1, the thickness of the high-strength steel plate is 0.7-1.2 mm, the utilization rate of the high-strength steel plate is 80% -90%, and for top cover beams of different vehicle lattices, the length and the radian of the top cover beam can be adjusted only by adjusting the parameters of rolling equipment rollers in the production process to adapt to different vehicle lattices and top cover radian modeling. So, with the platform motorcycle type can share the crossbeam section to sharing roll-in equipment need not each crossbeam and all newly opened a pair stamping die, has practiced thrift frock development cost greatly, and has shortened part development cycle. Meanwhile, the material utilization rate of the existing cold stamping top cover beam is generally 50% -60%, and the utility model discloses a top cover beam can reach 80% -90% owing to adopt the roll-in forming process, and the raw and other materials purchasing cost has been practiced thrift greatly. Regarding material thickness, current cold stamping top cap crossbeam is if adopt the high strength steel sheet, can all bring a lot of negative effects to mould debugging, forming process and life, consequently, cold stamping top cap crossbeam generally can only choose for use thicker steel sheet to compensate the defect of low grade, and the utility model discloses a top cap crossbeam adopts roll-in forming process, can directly choose for use the high strength steel sheet, under the circumstances that satisfies strength requirement, can suitably reduce material thickness to the demand of car lightweight design has been satisfied.

The two ends of the top cover beam body 1 in the X direction of the automobile are provided with gluing flanges 11 along the Y direction of the automobile; the top cover beam body 1 is provided with a glue coating groove 12 at a position close to the glue coating flanging 11 along the Y direction of the automobile. Because the cross-section of top cap crossbeam along car Y to is identical completely, consequently the rubber coating groove of design on the turn-ups face is for lining up the rubber coating groove, directly controls the robot through the program file in the welding shop, can realize not only having promoted production rate, has promoted gummed precision again to the accurate crowded scribbling of rubber coating position.

The roof cross beam body 1 is formed with a through reinforcing rib 13 in the vehicle Y direction at the middle in the vehicle X direction.

Top cap crossbeam body 1 is equipped with locating hole 14 to the position that is close to both ends at car Y, and locating hole 14 includes main locating hole and secondary locating hole, all is located the position between the glue coating groove 12 and the strengthening rib 13 that are close to the plantago end, and position between glue coating groove 12 and strengthening rib 13 is equipped with a plurality of electrophoresis holes 15 to the interval along car Y, and on car Y direction, all electrophoresis holes 15 are located between two locating holes 14.

The top cover beam in the embodiment is a top cover middle beam, and the distances between the two positioning holes 14 and the two end parts are unequal, so that the problem that the top cover beam is reversed in front and back is effectively solved. And a plurality of roof middle cross beams are required to be installed on the roof of the common vehicle, the installation position identification area 16 can be arranged in the middle of the roof middle cross beam, for example, two holes to four holes are respectively and sequentially arranged in the identification area 16, so that the second roof middle cross beam, the third roof middle cross beam and the fourth roof middle cross beam from the front to the back of the vehicle are respectively and sequentially shown. The hole site quantity shows the assembly position of crossbeam when whole car welding in the top cap promptly, and the workshop workman naked eye of being convenient for discerns, has effectively avoided the problem of top cap crossbeam front and back dress mistake.

Example 2

As shown in fig. 3 to 5, a mounting structure of a roof beam includes the roof beam in embodiment 1, and further includes a roof outer panel 2, a side wall outer panel 3, a side wall roof side rail reinforcing panel 4 and a side wall roof side rail inner panel 5 which are welded in sequence from top to bottom, wherein the side wall roof side rail reinforcing panel 4 extends towards the roof beam body 1 to form a reinforcing panel top overlapping edge 41 which is lap-welded with the roof beam body 1. The positions of the top cover beam body 1 close to the two ends are welding areas 17, and the welding areas are connected with the top overlapping edge 41 of the reinforcing plate through spot welding.

The side wall roof rail reinforcing plate 4 is provided with a reinforcing plate top flanging 42 along the X direction of the automobile at one side close to the roof cross beam body 1, and the reinforcing plate top flanging 42 extends towards the roof cross beam body 1 at intervals to form a reinforcing plate top overlapping edge 41.

In order to improve the overall strength of the assembly, an inclined surface 43 is formed between the reinforcement panel top flange 42 and the reinforcement panel top flange 41, and flange edges 44 are formed at both ends of the reinforcement panel top flange 41 in the X direction of the automobile.

The embodiment also provides a vehicle which comprises the mounting structure of the roof cross beam in the embodiment.

In the actual assembly process, after the left side wall assembly 8 (the left side wall outer plate 3, the left side wall upper side beam reinforcing plate 4 and the left side wall upper side beam inner plate 5) is assembled in place in the welding workshop, the end pick-up assembles the top cover beam body 1 in place, robot spot welding is performed on the overlapping part of the welding area 17 of the top cover beam body 1 and the reinforcing plate top overlapping edge 41 of the left side wall upper side beam reinforcing plate 4, finally the top cover outer plate 2 is assembled in place, spot welding is performed in the top flanging welding area C, and the treatment mode of the right side wall assembly 9 is the same. The top cover beam body 1 does not extend to the top flanging welding area C, so that the number of metal plate layers in the area is reduced, and the problem that welding spots are unqualified due to five layers of metal plate spot welding is avoided. The whole section of the top flanging welding area C from the top cover front beam 6 to the top cover rear beam 7 is 4 layers of sheet metal lap joints, five layers of sheet metal welding are avoided without notching the side wall upper beam inner plate 5 at the position of the top cover middle beam (top cover beam body 1), and the whole section of welding spots can be uniformly distributed, so that the problem of local welding spot concentration is avoided.

The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model.

Claims

1. The top cover beam is characterized by comprising a top cover beam body (1), the cross section of any position of the top cover beam body (1) along the Y direction of an automobile is the same, and the top cover beam body (1) is formed by a rolling process.

2. The roof rail according to claim 1, characterized in that the roof rail body (1) is made of high-strength steel plate, the thickness of which is 0.7-1.2 mm.

3. The roof rail according to claim 2, characterized in that the roof rail body (1) is formed with glue-coated flanges (11) at both ends in the X-direction of the vehicle along the Y-direction of the vehicle.

4. The roof rail according to claim 3, characterized in that the roof rail body (1) is formed with glue slots (12) in the vehicle Y-direction at a position close to the glue flanges (11).

5. The roof rail according to claim 4, characterized in that the roof rail body (1) is formed with a reinforcing rib (13) in the vehicle Y direction at the middle of the vehicle X direction.

6. The roof rail according to claim 5, characterized in that the roof rail body (1) is provided with positioning holes (14) at positions close to two ends in the vehicle Y direction, and a plurality of electrophoresis holes (15) are arranged at intervals along the vehicle Y direction between the glue coating groove (12) and the reinforcing ribs (13).

7. The mounting structure of the roof beam is characterized by comprising the roof beam as set forth in any one of claims 1 to 6, and further comprising a roof outer plate (2), a side wall outer plate (3), a side wall roof side rail reinforcing plate (4) and a side wall roof side rail inner plate (5) which are welded in sequence from top to bottom, wherein the side wall roof side rail reinforcing plate (4) extends towards the roof beam body (1) to form a reinforcing plate top overlapping edge (41) which is overlapped and welded with the roof beam body (1).

8. The roof rail mounting structure according to claim 7, wherein the side sill upper (4) is formed with a reinforcement top flange (42) in a vehicle X direction on a side close to the roof rail body (1), and the reinforcement top flange (42) is formed with the reinforcement top overlapping edge (41) extending toward the roof rail body (1) at a spacing.

9. The roof rail mounting structure according to claim 8, wherein an inclined surface (43) is formed between the gusset top flange (42) and the gusset top flange (41), and the gusset top flange (41) is formed with flange edges (44) at both ends in the X-direction of the automobile.

10. A vehicle characterized by comprising the mounting structure of the roof rail according to claim 9.