CN213799540U - Front lower protective beam - Google Patents
Front lower protective beam Download PDFInfo
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- CN213799540U CN213799540U CN202022575269.6U CN202022575269U CN213799540U CN 213799540 U CN213799540 U CN 213799540U CN 202022575269 U CN202022575269 U CN 202022575269U CN 213799540 U CN213799540 U CN 213799540U
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- roof beam
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- inclined support
- triangular
- front lower
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Abstract
The utility model relates to an automobile parts technical field provides a preceding guard beam down, fixed setting is at the front end of frame, preceding guard beam down includes the tubulose crossbeam, energy-absorbing box and bearing diagonal subassembly, the tubulose crossbeam sets up including straight roof beam and symmetry the crooked roof beam at straight roof beam both ends, preceding guard beam down still includes the triangular supports, the energy-absorbing box sets up crooked roof beam with the junction of straight roof beam, the triangular supports fixed connection straight roof beam with and the energy-absorbing box, the tubulose crossbeam include the crooked roof beam that straight roof beam and straight roof beam both ends set up, and the energy-absorbing box sets up in the junction of straight roof beam and crooked roof beam, and this position is the fixed triangular supports that is provided with still, and straight roof beam and energy-absorbing box are connected respectively to the wherein two sides of triangular supports, have solved prior art in the guard beam stability not enough, the problem that needs to promote, have strengthened the anticollision function of guard beam.
Description
Technical Field
The utility model relates to an automobile parts technical field especially relates to a preceding guard beam down.
Background
The automobile protection beam is an important part of an automobile passive safety protection system so as to ensure the safety of an automobile and the safety of the other side of the automobile. Due to the influences of discharge regulations, discharge of fuel consumption limit values and other regulations, implementation of fuel tax and the like, the market of highway logistics trucks in China is changed greatly, and additionally, the discharge requirements are increasingly strict, and the requirements of oil saving and light weight are urgent; in view of the current standard reform, the continuous soundness of national safety regulations, the supervision and inspection strength is continuously strengthened, and along with the requirement of light weight of automobiles, the aluminum alloy protective beam has great market potential with the advantages of excellent mechanical performance and light weight, and the stability of the aluminum alloy protective beam on the market at present is not optimal.
Therefore, at present, a person skilled in the art needs to design a front lower guard beam of an automobile, so as to improve the stability of the aluminum alloy guard beam and enhance the anti-collision function of the aluminum alloy guard beam.
SUMMERY OF THE UTILITY MODEL
The utility model provides a preceding guard beam down has solved among the prior art aluminium alloy guard beam stability and has need promote, protects the problem of personal safety.
The technical scheme of the utility model as follows:
the front lower protective beam is fixedly arranged at the front end of the frame and comprises a tubular beam, an energy absorption box and an inclined support assembly, the tubular beam comprises a straight beam and bent beams symmetrically arranged at two ends of the straight beam, the front lower protective beam further comprises a triangular support, the energy absorption box is arranged at the joint of the bent beam and the straight beam, and the triangular support is fixedly connected with the straight beam and the energy absorption box.
As a further technical scheme, the triangular support is of a triangular annular structure, a reinforcing plate is arranged inside the triangular support, and the reinforcing plate is integrally connected with the triangular support.
As a further technical scheme, the joint of the reinforcing plate and the triangular supports is a round angle.
As a further technical scheme, the tubular cross beam is a porous section which is more than or equal to three.
As a further technical scheme, the inclined support component comprises an inclined support rod and an inclined support plate, one end of the inclined support rod is fixedly connected with the inclined support plate, the inclined support rod is fixedly connected with the bent beam through the inclined support plate, and the other end of the inclined support rod is fixedly arranged on the frame.
As a further technical scheme, the energy absorption box is of a hollow structure, a bayonet is formed in the energy absorption box, and the bayonet is vertically clamped with the tubular beam.
The utility model discloses a theory of operation and beneficial effect do:
the utility model discloses a guard beam includes the tubulose crossbeam under in the front, energy-absorbing box and bearing diagonal subassembly, and the tubulose crossbeam is including the crooked roof beam that straight roof beam and straight roof beam both ends set up, and the energy-absorbing box sets up in the junction of straight roof beam and crooked roof beam, and this position is still fixed to be provided with three corner brace, and straight roof beam and energy-absorbing box are connected respectively to one of them two sides of three corner brace, have solved prior art in guard beam stability not enough, need the problem that promotes, have strengthened the anticollision function of guard beam.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the front lower guard beam structure of the present invention;
FIG. 2 is a top view of the front lower guard beam structure of the present invention;
FIG. 3 is a schematic cross-sectional view of a tubular cross-beam according to the present invention;
in the figure: 1. the energy absorption structure comprises a tubular cross beam, 11, a straight beam, 12, a bent beam, 2, an energy absorption box, 3, an inclined support assembly, 31, an inclined support rod, 32, an inclined support plate, 4 and a triangular support.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.
Example 1
As shown in fig. 1 to 3, the front lower guard beam is fixedly arranged at the front end of the frame, the front lower guard beam comprises a tubular beam 1, an energy absorption box 2 and an inclined support component 3, the tubular beam 1 comprises a straight beam 11 and bending beams 12 symmetrically arranged at two ends of the straight beam 11, the front lower guard beam further comprises a triangular support 4, the energy absorption box 2 is arranged at the joint of the bending beam 12 and the straight beam 11, and the triangular support 4 is fixedly connected with the straight beam 11 and the energy absorption box 2.
In the embodiment, the automobile guard beam comprises a front lower guard beam which is fixedly arranged at the front end of a frame and used for protecting an automobile body and personnel on the automobile and reducing injury when in collision, the front lower guard beam comprises a tubular cross beam 1, an energy absorption box 2 and an inclined support component 3, the tubular cross beam 1 comprises a straight beam 11 and bending beams 12 symmetrically arranged at two ends of the straight beam 11, the front lower guard beam also comprises a triangular support 4, the energy absorption box 2 is arranged at the joint of the bending beam 12 and the straight beam 11, the triangular support 4 is fixedly connected with the straight beam 11 and the energy absorption box 2, the straight beam 11 is fixedly connected onto the frame through the energy absorption box 2, the surfaces where two short sides of the triangular support 4 are respectively and fixedly connected with the straight beam 11 and the energy absorption box 2, the stability of a triangle is utilized, the stability of the front lower beam is greatly improved, the weld joints of the tubular cross beam 1 and the energy absorption box 2 are prevented from cracking when the tubular cross beam 1 is impacted, avoiding a large deformation of the crash box 2.
As shown in fig. 1 to 3, the triangular brace 4 has a triangular ring structure, and a reinforcing plate is provided inside the triangular brace 4 and integrally connected to the triangular brace 4.
In this embodiment, the triangle brace 4 is triangle loop configuration for the quality greatly reduced of triangle brace 4 avoids increasing the oil consumption and causes the unnecessary loss, and the inside reinforcing plate that is provided with of triangle brace 4 has increased the rigidity and the stability of triangle brace 4 with triangle brace 4 body coupling, avoids triangle brace 4 to warp inefficacy.
As shown in fig. 1 to 3, the joint between the reinforcing plate and the triangular support 4 is a rounded corner.
In this embodiment, the joint between the reinforcing plate and the triangular support 4 is a rounded corner, so that the maximum bearing capacity of the triangular support 4 is reduced due to the occurrence of residual stress during manufacturing, and the position is prevented from being damaged and failing due to stress concentration.
As shown in fig. 1 to 3, the tubular beam 1 has a porous cross section of three or more.
In this embodiment, tubulose crossbeam 1 is the aluminum alloy, and straight roof beam 11 is the aluminum alloy with two crooked roof beam 12 three promptly, three fixed connection, and whole tubulose crossbeam 1 is hollow tubular structure, and tubulose crossbeam 1 can increase tubulose crossbeam 1's intensity through integrated into one piece's structure, and hollow tubular structure can reduce tubulose crossbeam 1's weight, and adopts the aluminum alloy structure, and light in weight improves the dynamic nature of whole car.
As shown in fig. 1 to 3, the inclined support assembly 3 includes an inclined support rod 31 and an inclined support plate 32, one end of the inclined support rod 31 is fixedly connected to the inclined support plate 32, the inclined support rod 31 is fixedly connected to the bending beam 12 through the inclined support plate 32, and the other end of the inclined support rod 31 is fixedly disposed on the frame.
In this embodiment, 31 one end fixed connection bearing diagonal board 32 of bearing diagonal pole, 31 bearing diagonal pole is through bearing diagonal board 32 fixed connection curved beam 12, bearing diagonal board 32 links to each other with curved beam 12 welding, bearing diagonal board 32 is aluminum plate, high temperature caused aluminum alloy mechanical properties decline problem when having improved curved beam 12 and 3 junctions welding of bearing diagonal subassembly, the area of contact of bearing diagonal subassembly 3 with curved beam 12 has been increased, when guaranteeing that tubulose crossbeam 1 receives the collision, the unit area atress of junction reduces, the structural integrity of guard beam under before improving.
As shown in fig. 1 to 3, the energy absorption box 2 is of a hollow structure, and a bayonet is arranged on the energy absorption box 2 and vertically clamped with the tubular beam 1.
In this embodiment, energy-absorbing box 2 is hollow structure, the bayonet socket has been seted up on energy-absorbing box 2, the vertical joint tubulose crossbeam 1 of bayonet socket, the quality is light, and when the vehicle received the place ahead collision, with the help of energy-absorbing box 2's structural performance ization absorbs the impact energy, effectual protection other side vehicle and own side vehicle, avoid receiving bigger damage, injury to driver and crew in the car when alleviateing the striking, and the vertical joint tubulose crossbeam 1 of bayonet socket, avoid tubulose crossbeam 1 atress to vertical direction skew and lose anticollision function.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Preceding guard beam down, the fixed front end that sets up at the frame, preceding guard beam down includes tubulose crossbeam (1), energy-absorbing box (2) and bearing diagonal subassembly (3), tubulose crossbeam (1) sets up including straight roof beam (11) and symmetry straight roof beam (11) bending beam (12) at both ends, its characterized in that, preceding guard beam down still includes triangular supports (4), energy-absorbing box (2) set up bending beam (12) with the junction of straight roof beam (11), triangular supports (4) fixed connection straight roof beam (11) with and energy-absorbing box (2).
2. The front lower guard beam according to claim 1, characterized in that the triangular support (4) is a triangular ring structure, and a reinforcing plate is arranged inside the triangular support (4) and is integrally connected with the triangular support (4).
3. The front lower guard beam according to claim 2, characterized in that the joint of the reinforcing plate and the triangular supports (4) is a rounded corner.
4. Front lower guard beam according to claim 1, characterised in that the tubular cross beam (1) is of a porous cross section equal to or greater than three.
5. The front lower guard beam according to claim 1, wherein the inclined support assembly (3) comprises an inclined support rod (31) and an inclined support plate (32), one end of the inclined support rod (31) is fixedly connected with the inclined support plate (32), the inclined support rod (31) is fixedly connected with the bending beam (12) through the inclined support plate (32), and the other end of the inclined support rod (31) is fixedly arranged on the frame.
6. The front lower guard beam according to claim 1, characterized in that the energy absorption box (2) is of a hollow structure, a bayonet is arranged on the energy absorption box (2), and the bayonet is vertically clamped with the tubular cross beam (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022575269.6U CN213799540U (en) | 2020-11-10 | 2020-11-10 | Front lower protective beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022575269.6U CN213799540U (en) | 2020-11-10 | 2020-11-10 | Front lower protective beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213799540U true CN213799540U (en) | 2021-07-27 |
Family
ID=76966560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022575269.6U Active CN213799540U (en) | 2020-11-10 | 2020-11-10 | Front lower protective beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213799540U (en) |
-
2020
- 2020-11-10 CN CN202022575269.6U patent/CN213799540U/en active Active
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