CN212709293U - Lightweight car bumper crossbeam - Google Patents
Lightweight car bumper crossbeam Download PDFInfo
- Publication number
- CN212709293U CN212709293U CN202021395659.9U CN202021395659U CN212709293U CN 212709293 U CN212709293 U CN 212709293U CN 202021395659 U CN202021395659 U CN 202021395659U CN 212709293 U CN212709293 U CN 212709293U
- Authority
- CN
- China
- Prior art keywords
- energy
- crossbeam
- absorbing
- box
- absorbing box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Vibration Dampers (AREA)
Abstract
The utility model belongs to the technical field of automobile parts, specifically relate to a lightweight car bumper crossbeam, which comprises a crossbeam, the crossbeam adopts the tubular structure that two C style of calligraphy steel combination welding formed, and the both ends of crossbeam are mouthful style of calligraphy, the inside of crossbeam is provided with crashproof splint along the axial, crashproof splint are broken line type structure, the both ends of crossbeam rear side are connected with the energy-absorbing box, the energy-absorbing box passes through flange fixed connection on the longeron, be provided with a plurality of energy-absorbing holes on two upper and lower faces of energy-absorbing box, be provided with a plurality of energy-absorbing recesses on two sides of energy-absorbing box, the axial of energy-absorbing recess is vertical direction. The device has the advantages of simple structure, light weight, high strength, high reliability, low cost, convenient assembly and the like, and the energy absorption effect of the cross beam is utilized to increase the absorption of collision energy, thereby ensuring that the damage to the main body structure of the longitudinal beam of the automobile body is reduced when the automobile collides at low speed, reducing the maintenance cost and ensuring the personal safety.
Description
Technical Field
The utility model belongs to the technical field of automobile parts, specifically relate to a lightweight car bumper crossbeam.
Background
With the improvement of national living standard and economic condition, automobiles gradually enter thousands of households, and household automobiles gradually become standard allocation of each household. Private cars bring convenience to people and new problems to society. The fact that road vehicles are continuously increased, traffic jam and the incidence rate of traffic accidents are rising year by year is not contended. In urban road conditions, because of more vehicles and serious congestion, car low-speed collision becomes a common traffic accident. The safety regulation of low-speed collision is the mandatory regulation requirement of various markets, and the collision regulation requires that the front end of the car is provided with an energy absorption device, so that the longitudinal beam of the car body cannot be damaged once the car is collided. The existing automobile is generally designed with a beam structure and is provided with an energy absorption box device, wherein the beam plays a decisive role in the collision of the whole automobile, the high-strength anti-collision beam is favorable for the uniform distribution of collision energy, and meanwhile, the protection capability of a bumper is improved to improve the energy absorption capability of the anti-collision beam.
Therefore, there is a need for a high-strength, lightweight bumper beam that can effectively secure safety of vehicles and human bodies when a car accident occurs.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that exists among the prior art, the utility model provides a lightweight car bumper crossbeam, which comprises a crossbeam, the crossbeam adopts two tubular structure that C style of calligraphy steel combination welding formed, and the both ends of crossbeam are mouthful style of calligraphy, the inside of crossbeam is provided with crashproof splint along the axial, crashproof splint are broken line type structure, the both ends of crossbeam rear side are connected with the energy-absorbing box, the energy-absorbing box passes through flange fixed connection on the longeron, be provided with a plurality of energy-absorbing holes on two upper and lower faces of energy-absorbing box, be provided with a plurality of energy-absorbing recesses on two sides of energy-absorbing box, the axial of energy-absorbing recess is vertical direction.
Preferably, the anti-collision splint is a thin-walled plate with a broken line type structure formed by splicing a plurality of thin plates, the broken line type structure is simple, the manufacture is convenient, the energy absorption and shock absorption effects are good, the anti-collision splint is not easy to break up, and the broken line type structure also has the characteristics of light weight, high strength, large tension and the like, further absorbs energy generated by collision, and reduces the damage of the collision force to the vehicle.
Preferably, the energy absorption box is filled with foamed aluminum, the foamed aluminum has the characteristics of small density and strong impact absorption capacity, and meanwhile, the design can improve the deformation stability and the energy absorption effect of the energy absorption box.
Preferably, the energy absorption boxes are fixedly connected with the cross beam and the longitudinal beam through bolts, so that later maintenance and replacement are facilitated.
Preferably, the energy-absorbing box is made of aluminum alloy, the aluminum energy-absorbing box can be about half lighter than the traditional carbon steel material, meanwhile, the heat conduction effect is good, the energy can be rapidly conducted to the outside in a heat energy mode when the energy is absorbed, the danger caused by local overheating is avoided, and most importantly, the aluminum energy-absorbing box has a better crumpling energy-absorbing effect than the carbon steel energy-absorbing box.
The utility model discloses still including enabling other subassemblies of a lightweight car bumper crossbeam normal use, be the conventional technical means in this field. In addition, the device or the component which is not limited in the utility model adopts the conventional technical means in the field.
The utility model discloses an operating principle is, when taking place the low-speed collision, at first is that the bumper absorbs gentle and external impact force, and when the impact force was great, the elastic material of bumper can not the energy cushioning, and the metallic structure of crossbeam plays the effect of passenger in the protection car this moment, utilizes the energy-absorbing effect of energy-absorbing box simultaneously, increases the absorption to the collision energy to reduce the harm to the longeron major structure of automobile body, guarantee personal safety.
The utility model has the advantages that the device has the advantages of simple structure, light weight, high strength, high reliability, low cost, convenient assembly and the like, the fold line type anti-collision splint is arranged inside the crossbeam, the fold line type structure is simple, the manufacture is convenient, the energy absorption and shock absorption effects are good, the collapse is not easy to happen, and the fold line type structure also has the characteristics of light weight, high strength, large tension and the like, further absorbs the energy generated by the impact, and reduces the damage of the impact force to the vehicle; meanwhile, the energy absorption box is provided with an obvious energy absorption and scattering design and comprises an energy absorption groove and an energy absorption hole, the energy absorption box can be guided to perform collision compression deformation, the impact force of the energy absorption box at the initial collision stage is effectively reduced, and in addition, the foam aluminum is filled in the energy absorption box, so that the deformation stability and the energy absorption effect of the energy absorption box can be improved, the damage to the longitudinal beam main body structure of the automobile body is reduced when the automobile is collided at a low speed, the maintenance cost is reduced, and the personal safety is guaranteed.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. the energy-absorbing structure comprises a cross beam, 2 anti-collision clamping plates, 3 energy-absorbing boxes, 4 flanges, 5 longitudinal beams, 6 energy-absorbing holes and 7 energy-absorbing grooves.
Detailed Description
The present invention will be described more clearly with reference to the accompanying drawings and specific embodiments in the embodiments of the present invention, and the description herein is only for explaining the present invention, but not for limiting the present invention. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by those skilled in the art without creative efforts should be included in the protection scope of the present invention.
Examples
As shown in fig. 1, the utility model provides a lightweight car bumper crossbeam, including crossbeam 1, crossbeam 1 adopts the tubular structure that two C style of calligraphy steel combination welding formed, and the both ends of crossbeam 1 are mouthful style of calligraphy, crossbeam 1's inside is provided with anticollision splint 2 along the axial, anticollision splint 2 are broken line type structure, the both ends of crossbeam 1 rear side are connected with energy-absorbing box 3, energy-absorbing box 3 is through flange 4 fixed connection on longeron 5, be provided with a plurality of energy-absorbing holes 6 on two upper and lower faces of energy-absorbing box 3, be provided with a plurality of energy-absorbing recess 7 on two sides of energy-absorbing box 3, the axial of energy-absorbing recess 7 is vertical direction. The anti-collision splint 2 is a thin-wall plate of a broken line type structure formed by splicing a plurality of thin plates, the broken line type structure is simple, the manufacture is convenient, the energy absorption and shock absorption effects are good, the breakage is not easy, the broken line type structure also has the characteristics of light weight, high strength, large tension and the like, the energy generated by collision is further absorbed, and the damage of the collision force to the vehicle is reduced. The energy absorption box 3 is filled with foamed aluminum, the foamed aluminum has the characteristics of small density and strong impact absorption capacity, and meanwhile, the design can improve the deformation stability and the energy absorption effect of the energy absorption box 3. The energy absorption box 3 is fixedly connected with the cross beam 1 and the longitudinal beam 5 through bolts, so that later maintenance and replacement are facilitated. The energy-absorbing box 3 is made of aluminum alloy, the aluminum energy-absorbing box can be lighter by about half compared with the traditional carbon steel material, meanwhile, the heat conduction effect is good, the energy can be rapidly conducted to the outside in a heat energy mode when the energy is absorbed, the danger caused by local overheating is avoided, and most importantly, the aluminum energy-absorbing box has a better scattering energy-absorbing effect than the carbon steel energy-absorbing box.
The utility model discloses an operating principle is, when taking place the low-speed collision, at first the bumper absorbs gentle and external impact force, when the impact force is great, the elastic material of bumper can not the energy cushioning, crossbeam 1's metallic structure plays the effect of passenger in the protection car this moment, utilizes the energy-absorbing effect of energy-absorbing box 3 simultaneously, increases the absorption to the collision energy to reduce the harm to 5 major structure's of longeron of automobile body, guarantee personal safety.
The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or 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 illustrated embodiments.
Claims (5)
1. The utility model provides a lightweight car bumper crossbeam, includes the crossbeam, its characterized in that: the crossbeam adopts the tubular structure that two C style of calligraphy steel combination welding formed, and the both ends of crossbeam are mouthful style of calligraphy, the inside of crossbeam is provided with crashproof splint along the axial, crashproof splint are the broken line type structure, the both ends of crossbeam rear side are connected with the energy-absorbing box, the energy-absorbing box passes through flange fixed connection on the longeron, be provided with a plurality of energy-absorbing holes on two upper and lower faces of energy-absorbing box, be provided with a plurality of energy-absorbing recesses on two sides of energy-absorbing box, the axial of energy-absorbing recess is vertical direction.
2. The lightweight automotive bumper beam of claim 1, wherein: the anti-collision clamping plate is a thin-wall plate with a broken line type structure formed by splicing a plurality of thin plates.
3. The lightweight automotive bumper beam of claim 1, wherein: and foamed aluminum is filled in the energy absorption box.
4. The lightweight automotive bumper beam of claim 1, wherein: the energy absorption boxes are fixedly connected with the cross beam and the longitudinal beam through bolts.
5. The lightweight automotive bumper beam of claim 1, wherein: the energy absorption box is made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021395659.9U CN212709293U (en) | 2020-07-15 | 2020-07-15 | Lightweight car bumper crossbeam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021395659.9U CN212709293U (en) | 2020-07-15 | 2020-07-15 | Lightweight car bumper crossbeam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212709293U true CN212709293U (en) | 2021-03-16 |
Family
ID=74906201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021395659.9U Active CN212709293U (en) | 2020-07-15 | 2020-07-15 | Lightweight car bumper crossbeam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212709293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445451A (en) * | 2021-06-25 | 2021-09-28 | 南京科邦复合材料有限公司 | Anti-impact energy absorption protective guard for passenger car and manufacturing method thereof |
-
2020
- 2020-07-15 CN CN202021395659.9U patent/CN212709293U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445451A (en) * | 2021-06-25 | 2021-09-28 | 南京科邦复合材料有限公司 | Anti-impact energy absorption protective guard for passenger car and manufacturing method thereof |
| CN113445451B (en) * | 2021-06-25 | 2022-08-26 | 南京科邦复合材料有限公司 | Anti-impact energy absorption protective guard for passenger car and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210149273U (en) | Little overlapping offset collision automobile body front end integrated configuration | |
| CN112389487B (en) | Energy absorption device and railway vehicle | |
| CN204845815U (en) | Aluminum alloy anticollision beam assembly | |
| CN111301525A (en) | Automobile front longitudinal beam filled with negative Poisson ratio honeycomb material | |
| CN112249073A (en) | Energy absorption structure of metro vehicle cab | |
| CN113263999A (en) | Automobile front end anti-collision structure | |
| CN105620505B (en) | It is oriented to the special endergonic structure of combined type and its application ON TRAINS | |
| CN105730386A (en) | Automotive anti-collision beam with triple energy absorption effect | |
| CN113954970A (en) | Vehicle body front frame structure | |
| CN201437374U (en) | Automobile frame | |
| CN212709293U (en) | Lightweight car bumper crossbeam | |
| CN102358319A (en) | Energy-absorbing anticreeper of urban railway train | |
| CN213083094U (en) | Automobile front bumper anti-collision beam | |
| CN112078620B (en) | Front end structure of railway vehicle | |
| CN212332574U (en) | Automobile collision buffer device | |
| CN103863350B (en) | A kind of combined type endergonic structure and floor underframe for vehicle structure | |
| CN210760623U (en) | High anti collision car of two roof beams | |
| CN112298257A (en) | Head front end collision energy-absorbing structure and rail vehicle | |
| CN208855573U (en) | A kind of novel front anticollision beam of automobile assembly | |
| CN217048531U (en) | Automobile front end collision energy-absorbing structure and automobile | |
| CN112977525B (en) | Rail vehicle and vehicle body end part structure thereof | |
| CN212373311U (en) | Front-end anti-collision structure device with collision resistance of automobile | |
| CN210760627U (en) | Effectual car anticollision roof beam of shock attenuation | |
| CN211139237U (en) | Automobile anti-collision device | |
| CN209833781U (en) | Connecting assembly and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |