CN220826530U - Lower protective assembly before lightweight - Google Patents
Lower protective assembly before lightweight Download PDFInfo
- Publication number
- CN220826530U CN220826530U CN202322225920.0U CN202322225920U CN220826530U CN 220826530 U CN220826530 U CN 220826530U CN 202322225920 U CN202322225920 U CN 202322225920U CN 220826530 U CN220826530 U CN 220826530U
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- China
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- main body
- beam main
- channel steel
- side plate
- reinforcing channel
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- 230000001681 protective effect Effects 0.000 title claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 24
- 238000005034 decoration Methods 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000000969 carrier Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a light-weight front lower protection assembly, which comprises: the automobile body pedal support, the outer decoration bumper support, the upper pedal support and the end cover are arranged on the main beam body; two concave reinforcing ribs are arranged on the front side plate and the rear side plate of the beam main body, the reinforcing channel steel is coated on the rear half part of the beam main body, and a plurality of oblong holes are formed in the upper surface and the lower surface of the reinforcing channel steel. The structural design of the beam main body and the reinforced channel steel can effectively absorb collision energy, protect the safety of the crashed vehicle passengers, provide stable mounting carriers for the vehicle body pedal support, the outer decoration bumper support and the upper pedal support, have simple structure, have the advantages of less number of parts and light weight on the premise of ensuring the stability and the connection strength, are convenient to assemble and disassemble, and reduce the manufacturing cost and the maintenance cost.
Description
Technical Field
The utility model relates to the technical field of commercial vehicle protection devices, in particular to a light-weight front lower protection assembly.
Background
According to the national standard GB26511-2011, the commercial vehicle needs to be provided with a front lower protection device, so that the front lower protection device has enough strength to block impact force, the safety of passengers of the collided vehicle is protected, and an installation carrier is provided for the exterior trim of the vehicle body if necessary. The existing front lower protection device for the commercial vehicle has the defects of heavy weight, large number of parts, poor product consistency and the like; the installation carrier is provided for the exterior trim of the automobile body and is mostly welded with the body through the bracket, so that the production efficiency is low, the assembly precision is poor, and the manufacturing cost and the maintenance cost are increased.
Disclosure of Invention
The utility model provides a light-weight front lower protection assembly, which aims to solve the technical problems of low production efficiency, poor assembly precision and high manufacturing cost and maintenance cost.
The utility model adopts the following technical scheme:
Provided is a lightweight front lower protection assembly, comprising: the automobile body pedal support comprises a beam main body, reinforcing channel steel, an automobile body pedal support, an external decoration bumper support, an upper pedal support and end covers welded at two ends of the beam main body;
The width of the front side plate of the beam main body is larger than that of the rear side plate, two concave reinforcing ribs are arranged on the front side plate and the rear side plate of the beam main body, the reinforcing channel steel is coated on the rear half part of the beam main body, and a plurality of oblong holes are formed in the upper surface and the lower surface of the reinforcing channel steel;
A rivet nut is arranged on the front side plate of the beam main body, and the vehicle body pedal bracket is fixed on the beam main body through the rivet nut; the inner wall of the end cover and the rear side plate of the beam main body are respectively provided with a welding nut, the outer decorating bumper bracket is fixed on the end cover through the welding nuts, and the upper car step bracket is fixed on the beam main body through the welding nuts.
Further, a protection assembly under light-weighted front, still include: the support arm is used for being connected with the front beam of the vehicle; the support arm is fixed on the beam main body through bolts, and a radiator protection mounting hole is formed in the support arm.
Further, the material of the support arm is 750L, and the wall thickness is 4.0mm.
Further, the beam body is a trapezoid tubular beam, the trapezoid tubular beam is made of HC820/1180DP, and the wall thickness of the tubular beam is 2.3mm.
Further, the cross section of the reinforced channel steel is U-shaped, and a certain distance is reserved between the vertical main body part of the reinforced channel steel and the rear side plate of the beam main body to form a buffer space, and two ends of the reinforced channel steel are welded on the upper side and the lower side of the beam main body respectively.
Further, the material of the reinforced channel steel is 1500HS, and the wall thickness is 2.0mm.
The utility model has the beneficial effects that: the structural design of the beam main body and the reinforced channel steel can effectively absorb collision energy, protect the safety of the crashed vehicle passengers, provide stable mounting carriers for the vehicle body pedal support, the outer decoration bumper support and the upper pedal support, have simple structure, have the advantages of less number of parts and light weight on the premise of ensuring the stability and the connection strength, are convenient to assemble and disassemble, and reduce the manufacturing cost and the maintenance cost.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a lightweight front lower protective assembly according to the present utility model;
FIG. 2 is a top view of a lightweight front lower protective assembly according to the present utility model;
FIG. 3 is a partial cross-sectional view of the present utility model;
FIG. 4 is a schematic diagram of a mounting arm according to the present utility model;
FIG. 5 is a schematic structural view of the reinforcing channel of the present utility model;
Fig. 6 is a schematic structural view of the end cap of the present utility model.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the described embodiments are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-6, in some illustrative embodiments, the present utility model provides a lightweight front underguard assembly comprising: the automobile body pedal bracket comprises a beam main body 1, reinforcing channel steel 2, supporting arms 3, end covers 4, an automobile body pedal bracket 5, an upper pedal bracket 6 and an outer decorative bumper bracket 7.
The material of crossbeam main part 1 is HC820/1180DP, and the wall thickness is 2.3mm, and specifically, crossbeam main part 1 adopts HC820/1180DP and the steel roll press molding of wall thickness 2.3mm, and the cross-section shape is wide front and narrow rear's quadrangle, and the width of preceding curb plate 101 of crossbeam main part 1 is greater than the width of posterior lateral plate 102 promptly for crossbeam main part 1 is specifically a trapezoidal tubular beam promptly, and the cross-section is isosceles trapezoid, has higher buffer capacity, and the atress is more even, guarantees support strength.
The reinforcing channel steel 2 is coated on the rear half part of the beam main body 1. The material of the reinforced channel steel 2 is 1500HS, the wall thickness is 2.0mm, specifically, the reinforced channel steel 2 is formed by hot-pressing steel with 1500HS and the wall thickness of 2.0mm, and the cross section is U-shaped, so that the reinforced channel steel 2 has two parts, namely a vertical main body part 201 and a horizontal connecting part 202. The vertical body portion 201 is spaced from the rear side plate 102 of the beam body by a distance to form a cushioning space 8 to further increase the impact resistance of the assembly. Both ends of the reinforcing channel steel 2 are welded to the upper and lower sides of the beam body 1, respectively, that is, the horizontal connection portion 202 is welded to the beam body 1. The beam body 1 rear welding single holistic strengthening channel-steel 2 has reduced the quantity of strengthening spare part, satisfies the collision requirement of protection under the front.
Two concave reinforcing ribs 103 are arranged on the front side plate 101 and the rear side plate 102 of the beam main body, and a plurality of oblong holes 203 are formed in the upper surface and the lower surface of the reinforcing channel steel 2; the energy generated during collision can be absorbed through the concave reinforcing ribs 103 of the front and rear vertical faces of the cross beam and the oblong holes of the upper and lower surfaces of the reinforcing channel steel, and the safety of passengers of the opposite vehicle is effectively protected.
The number of the support arms 3 is two, and the support arms are used for being connected with the front beam of the vehicle. Specifically, the support arm 3 is fixed on the beam main body 1 through a bolt, and the support arm 3 is provided with a radiator protection mounting hole 301. The support arm 3 is made of 750L and has a wall thickness of 4.0mm, namely, the support arm 3 is formed by stamping a steel plate with the wall thickness of 750L and 4.0mm, and the left and right support arms are arranged on the front connecting beam through the front lower protection assembly.
The front side plate 101 of the beam body is provided with a rivet nut 104, and the vehicle body pedal bracket 5 is fixed on the beam body 1 through the rivet nut 104. Specifically, a plurality of round holes are laser on the front vertical surface of the front lower protection assembly, each round hole is provided with a rivet nut 104, and the pedal bracket 5 of the vehicle body can be fixed on the rivet nuts, so that a carrier is provided for mounting the pedal bracket.
The end covers 4 are welded at the two ends of the beam main body 1 by adopting a stamping forming process, wherein the number of the end covers is two. The welding nut 9 is arranged on the inner wall of the end cover 4, and the outer decorating bumper bracket 7 is fixed on the end cover 4 through the welding nut 9. Be equipped with weld nut on the posterior lateral plate of crossbeam main part 1, the facade is radium-shine 2 round holes respectively behind crossbeam main part 1 both sides promptly, and weld nut inboard, and on the bus step support 6 is fixed on crossbeam main part 1 through weld nut, provides the installation carrier for the fixed bolster that is used for the bus step.
The light-weight front lower protection assembly is formed by welding a beam body 1, a reinforcing channel steel 2 in an integral form, support arms 3 arranged at the left and right, end covers 4 at the two sides, nuts and the like into a whole, and the main body is made of steel with the wall thickness of 2.0-2.3mm, so that the light-weight front lower protection assembly is high in strength, light in weight and low in cost. The welding nut and the rivet nut can be used for installing a pedal bracket, an outer decorative bumper bracket and an upper pedal bracket of a vehicle body, and the product has high machining precision, convenient disassembly and assembly and low maintenance cost. Compared with the prior art, the method has the advantages of light weight, high production efficiency, good product consistency and the like.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (6)
1. A lightweight front underguard assembly, comprising: the automobile body pedal support comprises a beam main body, reinforcing channel steel, an automobile body pedal support, an external decoration bumper support, an upper pedal support and end covers welded at two ends of the beam main body;
The width of the front side plate of the beam main body is larger than that of the rear side plate, two concave reinforcing ribs are arranged on the front side plate and the rear side plate of the beam main body, the reinforcing channel steel is coated on the rear half part of the beam main body, and a plurality of oblong holes are formed in the upper surface and the lower surface of the reinforcing channel steel;
A rivet nut is arranged on the front side plate of the beam main body, and the vehicle body pedal bracket is fixed on the beam main body through the rivet nut; the inner wall of the end cover and the rear side plate of the beam main body are respectively provided with a welding nut, the outer decorating bumper bracket is fixed on the end cover through the welding nuts, and the upper car step bracket is fixed on the beam main body through the welding nuts.
2. The lightweight front lower protective assembly of claim 1, further comprising: the support arm is used for being connected with the front beam of the vehicle; the support arm is fixed on the beam main body through bolts, and a radiator protection mounting hole is formed in the support arm.
3. The light weight front lower protective assembly according to claim 2, wherein the arm is 750L and has a wall thickness of 4.0mm.
4. A lightweight front lower protective assembly according to claim 3, wherein the beam body is a trapezoidal tubular beam, the material of the trapezoidal tubular beam is HC820/1180DP, and the wall thickness of the tubular beam is 2.3mm.
5. The light-weight front lower protection assembly according to claim 4, wherein the cross section of the reinforcing channel steel is U-shaped, a certain distance is formed between the vertical main body part of the reinforcing channel steel and the rear side plate of the beam main body, and two ends of the reinforcing channel steel are welded on the upper side and the lower side of the beam main body respectively.
6. The light weight front lower protective assembly according to claim 5, wherein the reinforcing channel steel is made of 1500HS and has a wall thickness of 2.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322225920.0U CN220826530U (en) | 2023-08-18 | 2023-08-18 | Lower protective assembly before lightweight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322225920.0U CN220826530U (en) | 2023-08-18 | 2023-08-18 | Lower protective assembly before lightweight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220826530U true CN220826530U (en) | 2024-04-23 |
Family
ID=90723032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322225920.0U Active CN220826530U (en) | 2023-08-18 | 2023-08-18 | Lower protective assembly before lightweight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220826530U (en) |
-
2023
- 2023-08-18 CN CN202322225920.0U patent/CN220826530U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |