CN216833935U - Connecting structure of front engine room longitudinal beam and front wheel cover upper boundary beam - Google Patents
Connecting structure of front engine room longitudinal beam and front wheel cover upper boundary beam Download PDFInfo
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- CN216833935U CN216833935U CN202123096075.9U CN202123096075U CN216833935U CN 216833935 U CN216833935 U CN 216833935U CN 202123096075 U CN202123096075 U CN 202123096075U CN 216833935 U CN216833935 U CN 216833935U
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 60
- 238000003466 welding Methods 0.000 claims description 19
- 239000006185 dispersion Substances 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 208000027418 Wounds and injury Diseases 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 4
- 208000014674 injury Diseases 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model relates to an auto-parts technical field indicates a connection structure of preceding cabin longeron and front wheel cover roof side rail especially. The front wheel cover reinforcing plate comprises a front cabin longitudinal beam, a front wheel cover upper edge beam, an A column reinforcing plate and a front wheel cover reinforcing plate, wherein one end of the front wheel cover reinforcing plate is fixedly connected with one end of the front wheel cover upper edge beam, the other end of the front wheel cover upper edge beam is connected to the middle of the A column reinforcing plate, the other end of the front wheel cover reinforcing plate is connected to the front cabin longitudinal beam, and the upper part of the A column reinforcing plate is connected with the front cabin longitudinal beam. The front cabin longitudinal beam, the front wheel cover upper edge beam, the A column reinforcing plate and the front wheel cover reinforcing plate are welded to form a closed loop structure shaped like a Chinese character 'kou'. Through setting up a plurality of beam structure and transmitting and the dispersion impact energy, impact energy transmission passageway is more, and energy dispersion is reasonable, has reduced the deflection of driver's cabin, has reduced the injury value to the passenger among the collision process.
Description
Technical Field
The utility model relates to an auto-parts technical field indicates a connection structure of preceding cabin longeron and front wheel cover roof side rail especially.
Background
With the rapid development of the automobile industry, the market competition of automobile products is becoming more and more intense, the detection standards of various automobile safety detection mechanisms on automobile safety become more and more severe, and products with high safety, high quality, light weight and low cost of automobiles are increasingly paid more and more attention by consumers and have become concerned. In the front structure of an automobile body, a front wheel house roof side rail, in addition to a cabin front side rail, plays an increasingly important role in structural performance as a body frame member. The front wheel cover upper side beam is arranged on the upper portion of a front wheel along the longitudinal direction of a vehicle, the front end of the front wheel cover upper side beam is connected with a cabin longitudinal beam, the rear end of the front wheel cover upper side beam is connected with an A column lower plate, and when the vehicle is in frontal collision and offset collision, the front wheel cover upper side beam plays an increasingly important role in absorbing and transmitting collision energy. The front engine room longitudinal beam and the front wheel cover upper side beam are not effectively connected, the structural strength of the wheel cover upper side beam is weak due to the design, the transmitted longitudinal force is small, the longitudinal beam bends upwards when a vehicle collides, the wheel cover deforms and moves backwards to occupy the space of a driving cab and passengers, the passenger room cannot be well protected, and the safety performance of the whole vehicle is reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a connection structure of preceding cabin longeron and front wheel cover boundary beam, the utility model discloses an increase front wheel cover reinforcing plate between front wheel cover boundary beam and preceding cabin longeron, transmit and disperse impact energy through setting up a plurality of roof beam structures, impact energy transfer passageway is more, and energy dispersion is reasonable, has reduced the deflection of driver's cabin, has reduced the injury value to the passenger among the collision process. Meanwhile, the closed-loop front engine room frame is provided with a plurality of consecutive lap-joint structural beams which are distributed longitudinally and transversely, so that the bending and torsion rigidity of the whole vehicle is effectively improved, and the NVH (noise, vibration and harshness) performance is improved.
Another object of the utility model is to provide a connection structure of preceding cabin longeron and front wheel casing roof side rail makes up into front wheel casing welding assembly through front wheel casing reinforcing plate and front wheel casing, improves the intensity of front wheel casing, reduces the front wheel casing back displacement volume during the collision, improves the security in driver's cabin and passenger space.
In order to achieve the above object, the utility model adopts the following technical scheme:
a connecting structure of a front cabin longitudinal beam and a front wheel cover upper edge beam comprises the front cabin longitudinal beam, the front wheel cover upper edge beam, an A column reinforcing plate and a front wheel cover reinforcing plate, wherein one end of the front wheel cover upper edge beam is fixedly connected with one end of the front wheel cover reinforcing plate, the other end of the front wheel cover upper edge beam is connected to the middle of the A column reinforcing plate, the other end of the front wheel cover reinforcing plate is connected to the front cabin longitudinal beam, and the upper portion of the A column reinforcing plate is connected with the front cabin longitudinal beam.
Preferably, the front nacelle side member, the front wheel house roof side member, the a-pillar reinforcement panel, and the front wheel house reinforcement panel are welded to connect a closed loop structure in a shape like a Chinese character kou.
Preferably, the front wheel cover reinforcing plate comprises a first part and a second part, a V-shaped included angle is formed between the first part and the second part, and the second part is in the shape of an arc; the second part is provided with two support plates, a second boss is arranged between the two support plates, a second mounting surface is arranged on the second boss, the first part is provided with two connecting plates, and a first boss is arranged between the two connecting plates; the supporting plate is connected with one end of the front wheel cover upper side beam assembly in a spot welding mode.
Preferably, the front cabin longitudinal beam assembly is provided with two connecting portions, a groove is formed between the two connecting portions, the groove is matched with the first boss, and the connecting portions are connected through spot welding.
Preferably, the second mounting surface is fixedly connected with a front wheel cover to form a front wheel cover welding assembly; the front wheel cover reinforcing plate and the front wheel cover are welded to form a cavity.
Preferably, a first included angle formed by connecting the front cabin longitudinal beam assembly and the front wheel casing reinforcing plate is 90-180 degrees; and a second included angle formed by connecting the front wheel casing reinforcing plate and the front wheel casing upper edge beam assembly is 90-180 degrees.
The beneficial effects of the utility model reside in that: the front wheel casing reinforcing plate and the front wheel casing are combined into a front wheel casing welding assembly, one end of the front wheel casing welding assembly is connected with one end of a front wheel casing upper side beam assembly, the other end of the front wheel casing upper side beam assembly is connected with a front engine room longitudinal beam assembly, the other end of the front wheel casing upper side beam assembly is connected with the middle part of an A column reinforcing plate, and the lower part of the A column reinforcing plate is connected with the front engine room longitudinal beam assembly, so that a closed structure in a shape like a Chinese character 'kou' is formed; through setting up a plurality of beam structure and transmitting and the dispersion impact energy, impact energy transmission passageway is more, and energy dispersion is reasonable, has reduced the deflection of driver's cabin, has reduced the injury value to the passenger among the collision process.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the front wheel cover reinforcing plate of the present invention.
Fig. 3 is a side view of the front wheel house reinforcing plate of the present invention.
Fig. 4 is an enlarged view of the front nacelle longitudinal beam connecting portion of the present invention.
Fig. 5 is a schematic view of the front wheel cover welding assembly of the present invention.
Fig. 6 is a schematic diagram of a force transmission path in response to a frontal collision according to the present invention.
The reference numbers illustrate: 1-a front cabin stringer; 101-a connecting part; 102-a groove; 2-a column reinforcement plate; 3-front wheel cover upper boundary beam; 4-front wheel cover reinforcing plate; 41-a first part; 42-a second portion; 411-a connection plate; 412 — a first boss; 421-a second boss; 422-support plate; 423-a second mounting face; 5-front wheel cover.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention.
Please refer to fig. 1-6, the utility model provides a connection structure of front engine room longeron and front wheel cover roof side rail, including front engine room longeron 1, front wheel cover roof side rail 3, a post reinforcing plate 2, front wheel casing 5, the one end and the 4 one end fixed connection of front wheel casing reinforcing plate of front wheel cover roof side rail 3, the other end of front wheel casing roof side rail 3 is connected in the 2 middle parts of a post reinforcing plate, the 4 other ends of front wheel casing reinforcing plate are connected on front engine room longeron 1, the upper portion of a post reinforcing plate 2 with front engine room longeron 1 is connected, front engine room longeron 1, front wheel cover roof side rail 3, a post reinforcing plate 2, front wheel casing reinforcing plate 4 welded connection becomes "mouth" font closed loop configuration.
Referring to fig. 1-3, the front wheel casing reinforcing plate is formed by stamping, the front wheel casing reinforcing plate 4 includes a first portion 41 and a second portion 41, a V-shaped included angle is formed between the first portion 41 and the second portion 42, and the second portion 42 is arc-shaped; the second part 42 is provided with two supporting plates 422, a second boss 421 is arranged between the two supporting plates 422, a second mounting surface 423 is arranged on the boss 421, and the second mounting surface 423 is connected with the front end of the front wheel cover 5 by adopting spot welding and a fastener to form a front wheel cover welding assembly; the supporting plate 422 is connected with one end of the front wheel cover upper side beam assembly 3 in a spot welding mode, the other end of the front wheel cover upper side beam assembly 3 is connected to the middle of the A column reinforcing plate 2, and the front wheel cover upper side beam assembly 3 is connected with the A column reinforcing plate 2 in a spot welding mode or connected through a fastener. The first part 41 is provided with two connecting plates 411, and a first boss 412 is arranged between the two connecting plates 411. Through the design of circular arc and V type contained angle can be better with being connected of front wheel casing and preceding cabin longeron, can better improve the intensity of front wheel casing simultaneously through the design of boss.
Referring to fig. 1-4, two connecting portions 101 are disposed on the front nacelle stringer assembly 1, a groove 102 is disposed between the two connecting portions 101, the groove 102 is adapted to the first boss 412, the connecting plate 411 is connected to the connecting portions 101 by spot welding, and one end of the nacelle stringer assembly is fixedly connected to the a-pillar stiffener.
Referring to fig. 1-5, the second mounting surface 423 is fixedly connected to the front wheel cover 5 to form a front wheel cover welding assembly; the front wheel cover reinforcing plate 4 and the front wheel cover are welded 5 to form a cavity. The purpose of combining into front wheel casing welding assembly is convenient and fast more in the equipment. The strength of the front wheel cover is improved, the backward moving amount of the front wheel cover is reduced during collision, and the safety of a cab and a passenger space is improved.
A first included angle formed by connecting the front cabin longitudinal beam assembly and the front wheel cover reinforcing plate is 90-180 degrees; and a second included angle formed by connecting the front wheel cover reinforcing plate and the front wheel cover upper edge beam assembly is 90-180 degrees. Preceding cabin longeron assembly with preceding wheel casing reinforcing plate connects contained angle 120 that forms, preceding wheel casing reinforcing plate with preceding wheel casing roof side rail assembly connects contained angle 120 that forms.
Referring to fig. 6, in the front collision of the vehicle body, a part of energy is transmitted to the front wheel house roof rail assembly through the front wheel house roof rail assembly, and is transmitted to the a-pillar at the upper part of the vehicle body through the front wheel house roof rail assembly, another part of energy is transmitted to the front floor skeleton assembly through the front cabin longitudinal beam assembly, the lower layer structure of the front cabin skeleton assembly and the front floor skeleton assembly form the lower part structure of the vehicle body, and this part bears most of the impact energy, the impact energy transmitted from the front cabin longitudinal beam assembly is mainly transmitted and dispersed through the front cabin longitudinal beam assembly, the front wheel house reinforcing plate, the front wheel house roof rail and the a-pillar reinforcing plate, and this part of energy transmission path is as shown in fig. 6, the impact energy is transmitted and dispersed through the arrangement of a plurality of beam structures, the number of impact energy transmission channels is large, the energy dispersion is reasonable, and the deformation of the cab is reduced, the injury value to the passengers in the collision process is reduced.
The utility model discloses during the use: the front wheel casing reinforcing plate and the front wheel casing are combined into a front wheel casing welding assembly, one end of the front wheel casing welding assembly is connected with one end of a front wheel casing upper side beam assembly, the other end of the front wheel casing upper side beam assembly is connected with a front engine room longitudinal beam assembly, the other end of the front wheel casing upper side beam assembly is connected with the middle of an A column reinforcing plate, and the lower portion of the A column reinforcing plate is connected with the front engine room longitudinal beam assembly, so that a closed structure in a shape like a Chinese character 'kou' is formed.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.
Claims (6)
1. The utility model provides a connection structure of preceding cabin longeron and front wheel casing roof side rail which characterized in that: the front wheel cover comprises a front cabin longitudinal beam, a front wheel cover upper edge beam, an A column reinforcing plate and a front wheel cover reinforcing plate, wherein one end of the front wheel cover upper edge beam is fixedly connected with one end of the front wheel cover reinforcing plate, the other end of the front wheel cover upper edge beam is connected to the middle part of the A column reinforcing plate, the other end of the front wheel cover reinforcing plate is connected to the front cabin longitudinal beam, and the upper part of the A column reinforcing plate is connected with the front cabin longitudinal beam.
2. The connecting structure of a front nacelle stringer and a front wheel house roof side rail according to claim 1, wherein: the front engine room longitudinal beam, the front wheel cover upper edge beam, the A column reinforcing plate and the front wheel cover reinforcing plate are welded and connected to form a closed loop structure shaped like a Chinese character 'kou'.
3. The connecting structure of a front nacelle stringer and a front wheel house roof side rail according to claim 1, wherein: the front wheel cover reinforcing plate comprises a first part and a second part, a V-shaped included angle is formed between the first part and the second part, and the second part is arc-shaped; the second part is provided with two support plates, a second boss is arranged between the two support plates, a second mounting surface is arranged on the second boss, the first part is provided with two connecting plates, and a first boss is arranged between the two connecting plates; the supporting plate is connected with one end of the front wheel cover upper side beam assembly in a spot welding mode.
4. The front nacelle stringer and front wheel house roof side rail connection structure according to claim 3, wherein: the front cabin longitudinal beam assembly is provided with two connecting portions, a groove is formed between the connecting portions, the groove is matched with the first boss, and the connecting portions are connected through spot welding.
5. The front nacelle stringer and front wheel house roof side rail connection structure according to claim 3, wherein: the second mounting surface is fixedly connected with the front wheel cover to form a front wheel cover welding assembly; the front wheel cover reinforcing plate and the front wheel cover are welded to form a cavity.
6. The connecting structure of a front nacelle stringer and a front wheel house roof side rail according to claim 1, wherein: a first included angle formed by connecting the front cabin longitudinal beam assembly and the front wheel cover reinforcing plate is 90-180 degrees; and a second included angle formed by connecting the front wheel cover reinforcing plate and the front wheel cover upper edge beam assembly is 90-180 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123096075.9U CN216833935U (en) | 2021-12-10 | 2021-12-10 | Connecting structure of front engine room longitudinal beam and front wheel cover upper boundary beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123096075.9U CN216833935U (en) | 2021-12-10 | 2021-12-10 | Connecting structure of front engine room longitudinal beam and front wheel cover upper boundary beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216833935U true CN216833935U (en) | 2022-06-28 |
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ID=82106053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123096075.9U Active CN216833935U (en) | 2021-12-10 | 2021-12-10 | Connecting structure of front engine room longitudinal beam and front wheel cover upper boundary beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216833935U (en) |
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2021
- 2021-12-10 CN CN202123096075.9U patent/CN216833935U/en active Active
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Effective date of registration: 20240506 Granted publication date: 20220628 |