CN214215716U - Automobile front longitudinal beam energy absorption structure, automobile body front longitudinal beam front end structure and automobile - Google Patents
Automobile front longitudinal beam energy absorption structure, automobile body front longitudinal beam front end structure and automobile Download PDFInfo
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- CN214215716U CN214215716U CN202022522177.1U CN202022522177U CN214215716U CN 214215716 U CN214215716 U CN 214215716U CN 202022522177 U CN202022522177 U CN 202022522177U CN 214215716 U CN214215716 U CN 214215716U
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Abstract
The utility model discloses a longeron energy-absorbing structure, automobile body front longitudinal front end structure and car before car relates to car energy-absorbing technical field, include: one end of the front side energy absorption box of the front longitudinal beam is connected with the front longitudinal beam of the automobile, and the other end of the front side energy absorption box extends towards the direction of the front end of the front longitudinal beam close to the outer side of the automobile; one end of the front end plate of the front longitudinal beam is connected with the front end of the front longitudinal beam, and the other end of the front end plate of the front longitudinal beam is connected with the other end of the energy absorption box at the front side of the front longitudinal beam; the front side energy absorption box at the front part of the front longitudinal beam is arranged on the outer side of the front longitudinal beam, and the front longitudinal beam is connected with the front side energy absorption box at the front part of the front longitudinal beam through the front end plate of the front longitudinal beam, so that the front collision energy transfer path of the automobile is optimized, and the anti-collision capacity of the automobile is improved.
Description
Technical Field
The utility model belongs to the technical field of the car energy-absorbing, more specifically relates to a longeron front end structure and car before car front longitudinal energy-absorbing structure, automobile body.
Background
When a traditional automobile collides, the collision energy is absorbed by the stress deformation of the combined structure of the anti-collision beam, the energy absorption box and the front longitudinal beam, so that passengers are protected. The newly-increased 25% overlap collision has higher and higher requirements on the structural strength of the boundary beam at the front part of the vehicle body, and when the overlap collision is less than 25%, the collision energy just avoids the traditional vehicle longitudinal beam combined structure, so that the traditional vehicle longitudinal beam combined structure loses the energy absorption effect.
As shown in fig. 1, a front end structure of a vehicle body front side member in the related art includes: the front anti-collision beam assembly consists of a front anti-collision beam 101, a front anti-collision beam energy absorption box 102 and a front anti-collision beam end plate 103; a front longitudinal beam assembly consisting of a front longitudinal beam inner plate 104, a front longitudinal beam outer plate 105 and a front longitudinal beam front end plate 106; the front anti-collision beam assembly is connected with the front longitudinal beam assembly through a bolt to form a front end structure of the front longitudinal beam of the vehicle body. When the overlapping collision is less than 25%, the collision energy cannot be absorbed by the front end structure of the front longitudinal beam of the vehicle body, and directly impacts the side beam of the wheel cover of the vehicle, the A column and the passenger compartment, so that the passenger compartment is seriously deformed, and great potential safety hazard exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a car front longitudinal front girder energy-absorbing structure, automobile body front longitudinal front girder front end structure and car to exist not enough among the prior art, set up front longitudinal front girder front side energy-absorbing box through the outside at front longitudinal to be connected front longitudinal with front longitudinal front girder front side energy-absorbing box through the anterior end plate of front longitudinal, optimize the anterior collision energy transmission route of car, improve the crashproof ability of car.
In order to achieve the above object, the utility model provides an automobile front longitudinal beam energy-absorbing structure, include:
one end of the front side energy absorption box is connected with a front longitudinal beam of the automobile, and the other end of the front side energy absorption box extends towards the direction of the front end of the front longitudinal beam close to the outer side of the automobile;
and one end of the front end plate of the front longitudinal beam is connected with the front end of the front longitudinal beam, and the other end of the front end plate of the front longitudinal beam is connected with the other end of the energy absorption box at the front side of the front longitudinal beam.
Optionally, the front side energy absorption box is a hollow straight cylinder, and an included angle is formed between an axis of the front side energy absorption box and an axis of the front side beam.
Optionally, concave ribs are arranged on the side walls of the front side energy absorption box of the front longitudinal beam.
Optionally, a first connecting flange and a second connecting flange are respectively arranged at two ends of the front side energy absorption box of the front longitudinal beam, the first connecting flange is connected with the side wall of the front longitudinal beam, and the second connecting flange is connected with the other end of the front end plate of the front longitudinal beam.
Optionally, the other end of the front end plate of the front longitudinal beam is provided with a through hole, and the through hole is communicated with an inner cavity of the energy absorption box at the front side of the front longitudinal beam.
The utility model also provides a longeron front end structure before automobile body, include:
the automobile front longitudinal beam energy absorption structure is characterized in that the front longitudinal beam energy absorption structure is a structure which is formed by a front longitudinal beam and a rear longitudinal beam;
a front impact beam assembly;
the automobile front longitudinal beam energy absorption structure is connected with the front anti-collision beam assembly through the front end plate of the front longitudinal beam.
Optionally, the front anti-collision beam assembly comprises a front anti-collision beam, a front anti-collision beam energy absorption box and a front anti-collision beam end plate, one end of the front anti-collision beam energy absorption box is connected to one side, close to the front longitudinal beam, of the front anti-collision beam, and the other end of the front anti-collision beam energy absorption box is connected to the front anti-collision beam end plate.
Optionally, the front impact beam end plate is connected with the front longitudinal beam front end plate.
Optionally, the front impact beam end plate is connected with the front longitudinal beam front end plate through a bolt.
The utility model also provides an automobile, including foretell automobile body front longitudinal front end structure.
The utility model provides a longeron energy-absorbing structure, automobile body front longitudinal front end structure and car before car, its beneficial effect lies in:
optimization of the automobile front collision energy transfer path: in a small offset collision working condition, an energy transmission path is increased by arranging a front longitudinal beam front side energy absorption box and a front longitudinal beam front end plate, after the collision energy of the front part of the automobile passes through a front anti-collision beam, a part of energy is transmitted to the front longitudinal beam front side energy absorption box, then a front wheel cover upper side beam transmits a part of energy to an A column and a threshold area, and the other part of energy is transmitted to the front anti-collision beam energy absorption box and the front longitudinal beam, so that the collision energy is dispersed, and the anti-collision capacity is improved;
reduction of the amount of intrusion into the passenger compartment: the front collision energy of the automobile is respectively transmitted to the front anti-collision beam energy absorption box and the front longitudinal beam front side energy absorption box through the front anti-collision beam, and the front longitudinal beam front side energy absorption box stably absorbs energy and contracts, so that the invasion amount to the rear part, the front wall and the A column of the front longitudinal beam is reduced, the damage of the automobile body structure of the passenger compartment is further protected, and the safety of passengers is protected.
Other features and advantages of the present invention will be described in detail 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 the exemplary embodiments of the present invention.
Fig. 1 shows a front end structure diagram of a front side member of a vehicle body in the prior art.
Fig. 2 shows a schematic diagram of an energy absorbing structure of a front longitudinal beam of an automobile according to an embodiment of the present invention.
Fig. 3 shows a front end structure diagram of a front longitudinal beam of a vehicle body according to an embodiment of the present invention.
Fig. 4 shows a schematic diagram of a front collision energy path of an automobile of a front end structure of a vehicle body front longitudinal beam according to an embodiment of the present invention.
Description of reference numerals:
in fig. 1:
101. a front impact beam; 102. a front impact beam energy absorption box; 103. a front impact beam end plate; 104. a front longitudinal inner plate; 105. a front side member outer panel; 106. a front end plate of the front longitudinal beam;
in fig. 2 to 4:
1. a front longitudinal beam; 2. a front side energy absorption box of the front longitudinal beam; 3. a front end plate of the front longitudinal beam; 4. concave ribs; 5. A first connecting flange; 6. a second connecting flange; 7. a through hole; 8. a front impact beam; 9. a front impact beam energy absorption box; 10. front impact beam end plate.
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 construed as limited to 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 invention to those skilled in the art.
The utility model provides a longeron energy-absorbing structure before car, include:
one end of the front side energy absorption box of the front longitudinal beam is connected with the front longitudinal beam of the automobile, and the other end of the front side energy absorption box extends towards the direction of the front end of the front longitudinal beam close to the outer side of the automobile;
and one end of the front end plate of the front longitudinal beam is connected with the front end of the front longitudinal beam, and the other end of the front end plate of the front longitudinal beam is connected with the other end of the energy absorption box at the front side of the front longitudinal beam.
Specifically, the front side energy absorption box of the front longitudinal beam is arranged on the outer side of the front longitudinal beam, and a double energy absorption structure is formed by the front side energy absorption box of the front longitudinal beam and the front end of the front longitudinal beam in the Y direction, so that when small offset collision of less than 25 degrees occurs in the front of an automobile, the energy absorption effect is improved, and the collision resistance is improved.
Optionally, the front side energy absorption box is a hollow straight cylinder, and an included angle is formed between an axis of the front side energy absorption box and an axis of the front side beam.
Specifically, the hollow straight-tube-shaped front longitudinal beam front side energy absorption box can be effectively collapsed in collision, and the energy absorption effect is ensured.
Optionally, concave ribs are arranged on the side walls of the front side energy absorption box of the front longitudinal beam.
Specifically, the concave ribs are formed by stamping on the side wall of the front side energy absorption box of the front longitudinal beam, and the arrangement of the concave ribs can improve the circumferential strength of the front side energy absorption box of the front longitudinal beam.
Optionally, a first connecting flange and a second connecting flange are respectively arranged at two ends of the front side energy absorption box of the front longitudinal beam, the first connecting flange is connected with the side wall of the front longitudinal beam, and the second connecting flange is connected with the other end of the front end plate of the front longitudinal beam.
Specifically, the first connecting flange and the second connecting flange may be welded or bolted.
Optionally, the other end of the front end plate of the front longitudinal beam is provided with a through hole, and the through hole is communicated with an inner cavity of the energy absorption box at the front side of the front longitudinal beam.
Specifically, the arrangement of the through holes enables the front end of the energy absorption box at the front side of the front longitudinal beam to be open, and the front end of the energy absorption box at the front side of the front longitudinal beam is favorable for crumpling after the front longitudinal beam is collided.
The utility model also provides a longeron front end structure before automobile body, include:
the automobile front longitudinal beam energy absorption structure is characterized in that the front longitudinal beam energy absorption structure is a structure which is formed by a front longitudinal beam and a rear longitudinal beam;
a front impact beam assembly;
the automobile front longitudinal beam energy absorption structure is connected with the front anti-collision beam assembly through the front end plate of the front longitudinal beam.
Specifically, the automobile front longitudinal beam energy absorption structure is connected with a front anti-collision beam assembly through a front end plate of the front longitudinal beam to form an integral front end structure of the automobile body front longitudinal beam.
Optionally, the front anti-collision beam assembly comprises a front anti-collision beam, a front anti-collision beam energy absorption box and a front anti-collision beam end plate, one end of the front anti-collision beam energy absorption box is connected to one side, close to the front longitudinal beam, of the front anti-collision beam, and the other end of the front anti-collision beam energy absorption box is connected with the front anti-collision beam end plate.
Specifically, the front side energy absorption boxes of the front longitudinal beam and the front anti-collision beam energy absorption boxes form a parallel double energy absorption structure in the Y direction of the vehicle body, so that the transmission path of collision energy is increased, the collision energy is dispersed, and the anti-collision effect is improved.
Optionally, the front impact beam end plate is connected with the front side member front end plate.
Optionally, the front impact beam end plate is connected with the front longitudinal beam front end plate through a bolt.
Specifically, through the detachable connection of bolted connection formation, convenient assembly and change.
The utility model also provides an automobile, including foretell automobile body front longitudinal front end structure.
Examples
As shown in fig. 2 to 4, the utility model provides an automobile front longitudinal beam energy-absorbing structure, include:
one end of the front side energy absorption box 2 of the front longitudinal beam is connected with the front longitudinal beam 1 of the automobile, and the other end of the front side energy absorption box extends towards the front end of the front longitudinal beam 1 and is close to the outer side of the automobile;
and one end of the front longitudinal beam front end plate 3 is connected with the front end of the front longitudinal beam 1, and the other end of the front longitudinal beam front end plate is connected with the other end of the front longitudinal beam front side energy absorption box 2.
In the present embodiment, the front side crash box 2 is a hollow straight tube, and the axis of the front side crash box 2 forms an angle with the axis of the front side frame 1.
In the present embodiment, the side walls of the front side sill front side crash boxes 2 are provided with recessed ribs 4.
In this embodiment, the two ends of the front side energy absorption box 2 of the front longitudinal beam are respectively provided with a first connecting flange 5 and a second connecting flange 6, the first connecting flange 5 is connected with the side wall of the front longitudinal beam 1, and the second connecting flange 6 is connected with the other end of the front end plate 3 of the front longitudinal beam.
In this embodiment, the other end of the front side member front end plate 3 is provided with a through hole 7, and the through hole 7 communicates with the inner cavity of the front side member front side energy absorption box 2.
The utility model also provides a longeron front end structure before automobile body, include:
the automobile front longitudinal beam energy absorption structure is characterized in that the front longitudinal beam energy absorption structure is a structure which is formed by a front longitudinal beam and a rear longitudinal beam;
a front impact beam assembly;
the automobile front longitudinal beam energy absorption structure is connected with the front anti-collision beam assembly through the front end plate 3 of the front longitudinal beam.
In this embodiment, the front impact beam assembly includes front impact beam 8, front impact beam energy-absorbing box 9 and front impact beam end plate 10, and the one end of front impact beam energy-absorbing box 9 is connected in the one side that front impact beam 8 is close to front longitudinal 1, and the other end of front impact beam energy-absorbing box 9 is connected with front impact beam end plate 10.
In the present embodiment, the front impact beam end plate 10 is connected to the front-side-member front end plate 3.
In the present embodiment, the front impact beam end plate 10 is bolted to the front side member front end plate 3.
The utility model also provides an automobile, including foretell automobile body front longitudinal front end structure.
To sum up, the utility model provides an automobile body front longitudinal front-end structure is in the little biasing collision operating mode of car, through setting up front longitudinal front portion side energy-absorbing box 2 and front longitudinal front portion end plate 3, increase the energy transfer route, the anterior collision energy of car passes through behind the front anti-collision beam 8, partly energy transfer is to front longitudinal front portion side energy-absorbing box 2, the front wheel covers the boundary beam and gives the A post with partial energy transfer after that, the threshold is regional, another part energy transfer is to front anti-collision beam energy-absorbing box 9 and front longitudinal 1, make collision energy dispersion, improve crashworthiness. The front collision energy of the automobile is respectively transmitted to the front anti-collision beam energy absorption box 9 and the front longitudinal beam front side energy absorption box 2 through the front anti-collision beam 8, and the front longitudinal beam front side energy absorption box 2 stably absorbs energy and collapses, so that the invasion amount to the rear part, the front wall and the A column of the front longitudinal beam is reduced, the automobile body structure of the passenger compartment is protected from being damaged, and the safety of passengers is protected.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. 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. An automobile front longitudinal beam energy absorption structure is characterized by comprising:
one end of the front side energy absorption box is connected with a front longitudinal beam of the automobile, and the other end of the front side energy absorption box extends towards the direction of the front end of the front longitudinal beam close to the outer side of the automobile;
and one end of the front end plate of the front longitudinal beam is connected with the front end of the front longitudinal beam, and the other end of the front end plate of the front longitudinal beam is connected with the other end of the energy absorption box at the front side of the front longitudinal beam.
2. The automobile front side member energy absorption structure according to claim 1, wherein the front side member front side energy absorption box is a hollow straight tube, and an axis of the front side member front side energy absorption box forms an angle with an axis of the front side member.
3. The automobile front side member energy absorbing structure according to claim 2, wherein a concave rib is provided on a side wall of the front side member front side energy absorbing box.
4. The automobile front longitudinal beam energy absorption structure according to claim 2, wherein a first connecting flange and a second connecting flange are respectively arranged at two ends of the front longitudinal beam front side energy absorption box, the first connecting flange is connected with the side wall of the front longitudinal beam, and the second connecting flange is connected with the other end of the front longitudinal beam front end plate.
5. The automobile front side member energy absorption structure according to claim 4, wherein the other end of the front side member front end plate is provided with a through hole, and the through hole is communicated with an inner cavity of the front side member front side energy absorption box.
6. A front end structure of a vehicle body front side member, comprising:
the automobile front side rail energy absorbing structure according to any one of claims 1 to 5;
a front impact beam assembly;
the automobile front longitudinal beam energy absorption structure is connected with the front anti-collision beam assembly through the front end plate of the front longitudinal beam.
7. The front end structure of the front longitudinal beam of the vehicle body according to claim 6, wherein the front anti-collision beam assembly comprises a front anti-collision beam, a front anti-collision beam energy absorption box and a front anti-collision beam end plate, one end of the front anti-collision beam energy absorption box is connected to one side, close to the front longitudinal beam, of the front anti-collision beam, and the other end of the front anti-collision beam energy absorption box is connected with the front anti-collision beam end plate.
8. The front-end vehicle body member structure according to claim 7, wherein the front impact beam end plate is connected to the front-end vehicle body member front end plate.
9. The front-end vehicle body member structure according to claim 8, wherein the front impact beam end plate and the front-end vehicle body member front end plate are connected by a bolt.
10. An automobile characterized by comprising the front side member front end structure of a vehicle body according to any one of claims 6 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022522177.1U CN214215716U (en) | 2020-11-04 | 2020-11-04 | Automobile front longitudinal beam energy absorption structure, automobile body front longitudinal beam front end structure and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022522177.1U CN214215716U (en) | 2020-11-04 | 2020-11-04 | Automobile front longitudinal beam energy absorption structure, automobile body front longitudinal beam front end structure and automobile |
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| Publication Number | Publication Date |
|---|---|
| CN214215716U true CN214215716U (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022522177.1U Active CN214215716U (en) | 2020-11-04 | 2020-11-04 | Automobile front longitudinal beam energy absorption structure, automobile body front longitudinal beam front end structure and automobile |
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| Country | Link |
|---|---|
| CN (1) | CN214215716U (en) |
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- 2020-11-04 CN CN202022522177.1U patent/CN214215716U/en active Active
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