CN216401133U - Novel crossbeam structure, automobile body skeleton assembly and car - Google Patents
Novel crossbeam structure, automobile body skeleton assembly and car Download PDFInfo
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- CN216401133U CN216401133U CN202122233303.6U CN202122233303U CN216401133U CN 216401133 U CN216401133 U CN 216401133U CN 202122233303 U CN202122233303 U CN 202122233303U CN 216401133 U CN216401133 U CN 216401133U
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Abstract
The utility model discloses a novel cross beam structure, a vehicle body framework assembly and an automobile, wherein the novel cross beam structure comprises a front cross beam structure, the front cross beam structure comprises a front cross beam upper plate and a front cross beam lower plate, and the front cross beam upper plate and the front cross beam lower plate are connected in a welding mode; the rear cross beam structure comprises a rear cross beam upper plate and a rear cross beam lower plate, and the rear cross beam upper plate and the rear cross beam lower plate are connected in a welding mode; the rear cross beam structure also comprises a supporting structure, and the supporting structure is welded with the rear cross beam structure; the canopy glass is positioned on the top surfaces of the front beam structure and the rear beam structure, the canopy glass is connected with the upper plate of the front beam through a plurality of first viscose glue, and the first viscose glue is positioned at the welding part or close to the welding part; the awning glass is connected with the upper plate of the rear cross beam through a plurality of second viscose glue. The technical problems that the acceleration of the automobile is increased or the automobile is expanded in noise and the NVH performance of the whole automobile is adjusted and calibrated at high cost due to modal amplification vibration of the beam structure are solved.
Description
Technical Field
The utility model belongs to the technical field of automobiles, and particularly relates to a novel beam structure, an automobile body framework assembly and an automobile.
Background
With the rapid development of the automobile industry, the NVH (noise, vibration and harshness) characteristic of an automobile becomes an important index for measuring the quality of the automobile; the noise in the car is an important factor which affects the comfort, the speech definition, the hearing damage degree of passengers and the recognition capability of various sound signals outside the car, and is an important evaluation index for customers to select cars. During the acceleration process of an automobile, the vibration of a power assembly is transmitted to a side suspension of the automobile body through a suspension active end and is transmitted to a sheet metal part of the automobile body through a longitudinal beam structure of the automobile body to cause the vibration of the sheet metal part, if the vibration of the sheet metal part is too large, a strong coupling effect is generated between the vibration and a sound cavity in the automobile, air can generate volume change, high pressure pulsation can be generated in the automobile, namely accelerated rumbling noise in the automobile, the auditory discomfort of a driver and passengers can be caused generally, and symptoms such as dizziness and nausea can even occur; in this operating mode, the mode of the roof cross beam is very easily excited, causing the vibration of the roof cross beam to be too large at a certain rotational speed or within a range of rotational speeds, and because the roof is directly connected with the space in the vehicle, the vibration can be directly transmitted into the vehicle, causing discomfort to the members in the vehicle.
Along with the popularization of electric vehicles, the application of a canopy structure is more and more extensive, part of host computer factories also use the design concept of the canopy structure of the electric vehicle for reference on a fuel tanker, the structure not only increases the head space of members in the vehicle, but also can improve the perception of a passenger cabin, meanwhile, a plurality of atmosphere lamps can be added on the canopy structure to increase the appreciation, for example, Tesla Model 3, great wall VV5 and other vehicle types, the front and rear beams of the canopy are used as important supporting parts of the canopy structure, especially, the beams pay more attention to the supporting degree and the supporting area of the canopy, and the large-area radiation noise of the canopy structure can also be caused by the design error of the beams of the canopy.
In this transmission process, ceiling beam structure is the important route that influences the NVH performance, and the canopy structural design of each passenger motorcycle type in the market all to a great extent all has the low-speed problem of rumbling, and the later stage needs very big cost to be solved, consequently, need design out a neotype beam structure in the earlier stage, can effectively solve beam structure because the modal amplification vibration leads to the car to speed up rumbling or drum noise and whole car NVH performance timing with high costs technical problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel beam structure, a vehicle body framework assembly and a vehicle, which can at least solve the technical problems of acceleration rumbling or noise rise of the vehicle and high adjustment cost of NVH (noise, vibration and harshness) performance of the whole vehicle caused by modal amplification vibration of the beam structure.
In order to accomplish the above objects, in one aspect, the present invention provides a novel cross beam structure, including,
the front cross beam structure comprises a front cross beam upper plate and a front cross beam lower plate, and the front cross beam upper plate and the front cross beam lower plate are connected in a welding mode;
the rear cross beam structure comprises a rear cross beam upper plate and a rear cross beam lower plate, and the rear cross beam upper plate and the rear cross beam lower plate are connected in a welding mode; the rear cross beam structure further comprises a supporting structure, and the supporting structure is connected with the rear cross beam structure in a welding mode;
the canopy glass is positioned on the top surfaces of the front cross beam structure and the rear cross beam structure, the canopy glass is connected with the upper plate of the front cross beam through a plurality of first viscose glue, and the first viscose glue is positioned at the welding part or close to the welding part; the canopy glass is connected with the rear cross beam upper plate through a plurality of second viscose glue.
Optionally, the canopy glass includes a ceiling portion and a cabin head portion, the ceiling portion and the cabin head portion are respectively connected with the front beam structure through a first adhesive, and the cabin head portion is connected with the rear beam upper plate through a plurality of second adhesives.
Optionally, the number of the first viscose is not less than three.
Optionally, the front beam upper plate and the front beam lower plate are connected through a first welding point and a second welding point, and the first adhesive is respectively located at or close to the first welding point and the second welding point.
Optionally, the width of the front beam structure in the X direction is 260 mm.
Optionally, the number of the second adhesive is not less than two, and the second adhesive is located in the middle of the upper plate of the rear cross beam.
Optionally, the rear cross beam upper plate and the rear cross beam lower plate are connected by a third welding point and a fourth welding point.
Optionally, the supporting structure is connected with the rear cross beam upper plate through a plurality of fifth welding points, and at least one fifth welding point is arranged at the second adhesive; and the supporting structure is connected with the lower plate of the rear cross beam through a sixth welding point.
In another aspect, the present invention provides a vehicle body frame assembly including a cross-member structure according to any one of the preceding claims.
In yet another aspect, the present invention provides an automobile comprising a body frame assembly as described above.
The utility model has the beneficial effects that:
the awning glass is connected with the front beam structure through a plurality of first glues, the first glues are located at the welding part or a position close to the welding part, the rear beam structure further comprises a supporting structure, and the awning glass is connected with the rear beam structure through a plurality of second glues; the technical problem that the automobile is accelerated to roar or drum noise due to modal amplification vibration of the beam structure is solved, and the NVH performance adjustment cost of the whole automobile is reduced.
Furthermore, the canopy glass is divided into a ceiling part and a cabin head part, the ceiling part is independently designed, and the front cross beam structure of the ceiling part can be enhanced.
Furthermore, the canopy glass and the first adhesive part of the front beam structure are positioned at or close to the first welding point and the second welding point, and the rear beam is provided with a supporting structure, so that the supporting degree of the beam structure can be improved;
furthermore, the canopy glass, the front beam structure and the rear beam structure adopt a plurality of viscose glue designs, so that the connection with the beam structure can be enhanced, and the canopy radiation is reduced.
Furthermore, the structure of the utility model is used for oil vehicles and electric vehicles at the same time, and has high universality.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a cross-sectional view of a front cross-member structure of the prior art.
Fig. 2 shows a schematic end view of a rear cross member structure of the prior art.
Fig. 3 shows a cross-sectional view of the front cross-member structure of the present invention.
Fig. 4 shows a schematic cross-sectional view of a rear cross-member structure of the present invention.
Reference numerals:
2. canopy glass; 21. a ceiling portion; 22. a cabin head; 3. a first adhesive; 4. a front cross beam upper plate; 5. a front cross beam lower plate; 41. a first solder joint; 42. a second solder joint; 6. a rear cross beam upper plate; 7. a rear cross beam lower plate; 8. a second adhesive; 9. a support structure; 61. a third solder joint; 62. a fourth solder joint; 91. a fifth welding spot; 92. and a sixth welding spot.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
The utility model provides a novel beam structure, which comprises,
the front cross beam structure comprises a front cross beam upper plate 4 and a front cross beam lower plate 5, and the front cross beam upper plate 4 and the front cross beam lower plate 5 are connected in a welding mode;
the rear cross beam structure comprises a rear cross beam upper plate 6 and a rear cross beam lower plate 7, and the rear cross beam upper plate 6 and the rear cross beam lower plate 7 are connected in a welding mode; the rear cross beam structure further comprises a supporting structure 9, and the supporting structure 9 is connected with the rear cross beam structure in a welding mode;
the canopy glass 2 is positioned on the top surfaces of the front cross beam structure and the rear cross beam structure, the canopy glass 2 is connected with the front cross beam upper plate 4 through a plurality of first glues 3, and the first glues 3 are positioned at or close to the welding part; the canopy glass 2 is connected with the rear cross beam upper plate 6 through a plurality of second viscose glue 8.
The awning glass 2 is connected with the front beam structure through a plurality of first viscose glues 3, the first viscose glues 3 are positioned at the welding part or close to the welding part, the rear beam structure further comprises a supporting structure 9, and the awning glass 2 is connected with the rear beam structure through a plurality of second viscose glues 8; the technical problem that the automobile is accelerated to roar or drum noise due to modal amplification vibration of the beam structure is solved, and the NVH performance adjustment cost of the whole automobile is reduced.
Optionally, the canopy glass 2 includes a ceiling portion 21 and a cabin head portion 22, the ceiling portion 21 and the cabin head portion 22 are respectively connected to the front beam structure through a first adhesive 3, and the cabin head portion 22 is connected to the rear beam upper plate 6 through a plurality of second adhesives 8.
Through being divided into ceiling portion 21 and cabin head 22 with canopy glass 2, with ceiling portion 21 independent design, can strengthen the front beam structure of ceiling portion 21 alone like this, canopy glass 2 can thicken the enhancement alone as required according to the performance, compares and to strengthen in the whole cost-effective that can save of original state.
Optionally, the number of the first adhesive 3 is not less than three.
Specifically, adopt three first viscose 3 respectively to be connected between canopy glass 2 and the front beam upper plate 4, compare two viscose of original condition, can increase front beam structure local rigidity, the support area of front beam structure to canopy glass 2 has been guaranteed simultaneously, the position of first viscose 3 is mainly arranged at front beam upper plate 4 and 5 welding coincidence positions of front beam hypoplastron or is close to welding coincidence position for original condition, it is more firm than supporting alone in front beam upper plate 4 middle part, can improve front beam structure's utilization ratio through this mode.
Optionally, the front beam upper plate 4 and the front beam lower plate 5 are connected by a first welding point 41 and a second welding point 42, and the first adhesive 3 is respectively located at the first welding point 41 and the second welding point 42 or close to the first welding point 41 and the second welding point 42.
The first weld 41 and the second weld 42 are welds between the front beam upper panel 4 and the front beam lower panel 5.
Optionally, the width of the front beam structure in the X direction is 260 mm.
The width of the front beam structure in the X direction is increased from 120mm to 260mm in the original state, and the bending rigidity and the mode of the front beam structure are increased by increasing the bending modulus of the cross section.
Optionally, the number of the second adhesive 8 is not less than two, and the second adhesive 8 is located in the middle of the rear cross beam upper plate 6.
Specifically, compared with the original state, the second adhesive 8 is additionally arranged between the cabin part of the canopy glass 2 and the rear cross beam upper plate 6, so that the local rigidity of the rear cross beam structure is increased, and meanwhile, the supporting area of the rear cross beam structure for the canopy glass 2 is ensured.
Optionally, the rear cross member upper plate 6 and the rear cross member lower plate 7 are connected by a third welding point 61 and a fourth welding point 62.
Specifically, the rear cross member upper plate 6 and the rear cross member lower plate 7 are welded and connected by the third welding points 61 and the fourth welding points 62.
Optionally, the supporting structure 9 is connected to the rear cross beam upper plate 6 through a plurality of fifth welding points 91, and at least one fifth welding point 91 is located at the second adhesive 8; the support structure 9 is connected to the rear cross member lower plate 7 by a sixth welding point 92.
Specifically, in order to improve the local rigidity of the second adhesive 8 to the supporting part of the rear cross beam structure, the supporting structure 9 is added to the rear cross beam structure, the supporting structure 9 is located inside the rear cross beam structure, the supporting structure 9 and the rear cross beam upper plate 6 are welded through a plurality of fifth welding points 91, at least one fifth welding point 91 is located at the second adhesive 8, and the local reinforcement of the rear cross beam structure can be effectively realized.
The utility model provides a vehicle body framework assembly, which comprises a cross beam structure according to any one of the preceding claims.
Example 1
Referring to fig. 3, the front beam structure is composed of a front beam upper plate 4 and a front beam lower plate 5, the front beam upper plate 4 and the front beam lower plate 5 are welded together through a first welding pad and a second welding point 42 to form the front beam structure, compared with the original state (as shown in fig. 1), firstly, the canopy glass 2 is separately divided into a ceiling part 21 and a cabin head part 22 at the ceiling beam position and the passenger cabin head position, so that the front beam structure of the ceiling part 21 can be separately reinforced, the ceiling part 21 of the canopy glass 2 can be separately thickened and reinforced according to the performance requirement, and compared with the original state, the cost can be saved by overall thickening (as shown in fig. 1); secondly, the ceiling part 21 and the cabin head part 22 are connected with the front beam upper plate 4 by three first glues 3 respectively, compared with two glues in the original state (as shown in fig. 1), the local rigidity of the front beam structure can be increased, and simultaneously, the supporting area of the front beam structure for the canopy glass 2 is ensured, the parts of the first glues 3 are mainly arranged at the welding superposed part or close to the welding superposed part of the front beam upper plate 4 and the front beam lower plate 5 relative to the original state, namely, at the positions of the first welding point 41 and the second welding point 42 or close to the first welding point 41 and the second welding point 42, and are firmer than the parts of the front beam upper plate 4 which are singly supported at the middle part of the front beam upper plate (as shown in fig. 1) in the original state, and under the condition that the front beam structure is internally provided with no supporting structure, the middle part of the front beam upper plate 4 which singly supports the canopy glass 2 cannot be effectively supported, the utilization rate of the front beam structure can be improved by the mode; thirdly, the X-direction width of the front beam structure is increased from 120 to 260mm, and the bending rigidity and the mode shape of the beam are increased by increasing the bending modulus of the cross section.
As shown in fig. 4, the rear cross beam structure is composed of a rear cross beam upper plate 6 and a rear cross beam lower plate 7, and the rear cross beam upper plate 6 and the rear cross beam lower plate 7 are welded by a plurality of fifth welding points 91 and sixth welding points 92 to form the rear cross beam structure, compared with the original state (as shown in fig. 2), firstly, a second adhesive 8 is added between the cabin part of the canopy glass 2 and the rear cross beam structure, so that the local rigidity of the rear cross beam structure can be increased, and meanwhile, the supporting area of the rear cross beam structure for the canopy glass 2 is ensured; secondly, for improving the local rigidity of the second adhesive 8 to the supporting part of the rear cross beam structure, the supporting structure 9 is added in the rear cross beam, the supporting structure 9 and the upper plate 6 of the rear cross beam are welded through a plurality of fifth welding spots 91, the supporting structure 9 and the lower plate 7 of the rear cross beam are welded through a sixth welding spot 92, the supporting structure 9 and the upper plate 6 of the rear cross beam are locally reinforced through the fifth welding spot 91 at the position of the second adhesive 8, at least one fifth welding spot 91 is located at the position of the second adhesive 8, and the local reinforcement of the rear cross beam structure of the ceiling can be effectively realized.
The utility model has the following beneficial effects:
1. the cross section of the beam structure is reasonable in design, and the internal supports are reasonable in layout; 2. the canopy glass of the front beam structure is independently designed, so that the front beam structure can be reinforced; 3. a supporting structure is arranged at the position, close to the welding part, of the first adhesive part of the canopy glass and the front cross beam structure or in the rear cross beam structure, so that the supporting degree of the cross beam structure can be improved; 4. the canopy glass and the beam structure adopt a plurality of glues, so that the connection between the canopy glass and the beam structure can be enhanced, and canopy radiation is reduced; 5. the combination of the parts of the utility model leads the structure to be lighter and lighter; 6. the structure of the utility model is used for oil cars and electric cars at the same time, and has high generalization rate; 7. the structural design of the utility model has high universality, and the passenger car type can adjust the position of the supporting piece by using the structural design and combining the actual condition of the viscose part.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A novel beam structure is characterized by comprising,
the front cross beam structure comprises a front cross beam upper plate and a front cross beam lower plate, and the front cross beam upper plate and the front cross beam lower plate are connected in a welding mode;
the rear cross beam structure comprises a rear cross beam upper plate and a rear cross beam lower plate, and the rear cross beam upper plate and the rear cross beam lower plate are connected in a welding mode; the rear cross beam structure further comprises a supporting structure, and the supporting structure is connected with the rear cross beam structure in a welding mode;
the canopy glass is positioned on the top surfaces of the front cross beam structure and the rear cross beam structure, the canopy glass is connected with the upper plate of the front cross beam through a plurality of first adhesives, and the first adhesives are positioned at or close to the welding part; the canopy glass is connected with the rear cross beam upper plate through a plurality of second viscose glue.
2. The novel beam structure of claim 1, wherein the canopy glass comprises a ceiling portion and a cabin head portion, the ceiling portion and the cabin head portion are respectively connected with the front beam structure through a first adhesive, and the cabin head portion is connected with the rear beam upper plate through a plurality of second adhesives.
3. The novel beam structure of claim 2 wherein the number of first glues is no less than three.
4. The novel beam structure of claim 3 wherein the front beam upper plate and the front beam lower plate are connected by a first weld and a second weld, and the first adhesive is located at or near the first weld and the second weld, respectively.
5. The novel beam structure of claim 1 wherein the front beam structure has an X-direction width of 260 mm.
6. The novel beam structure of claim 1 wherein the number of the second glues is not less than two, the second glue being located in the middle of the rear beam upper plate.
7. The novel beam structure of claim 1 wherein the rear beam upper panel and the rear beam lower panel are connected by a third weld and a fourth weld.
8. The novel beam structure of claim 6 wherein the support structure is connected to the rear beam upper plate by a plurality of fifth welds, at least one of the fifth welds being located at the second adhesive; and the supporting structure is connected with the lower plate of the rear cross beam through a sixth welding point.
9. A vehicle body frame assembly comprising a cross-member structure according to any one of claims 1 to 8.
10. An automobile comprising the body frame assembly of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122233303.6U CN216401133U (en) | 2021-09-15 | 2021-09-15 | Novel crossbeam structure, automobile body skeleton assembly and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122233303.6U CN216401133U (en) | 2021-09-15 | 2021-09-15 | Novel crossbeam structure, automobile body skeleton assembly and car |
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| Publication Number | Publication Date |
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| CN216401133U true CN216401133U (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122233303.6U Active CN216401133U (en) | 2021-09-15 | 2021-09-15 | Novel crossbeam structure, automobile body skeleton assembly and car |
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|---|---|
| CN (1) | CN216401133U (en) |
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2021
- 2021-09-15 CN CN202122233303.6U patent/CN216401133U/en active Active
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