CN207790595U - A kind of two-layer configuration vehicle energy absorption box in netted section - Google Patents
A kind of two-layer configuration vehicle energy absorption box in netted section Download PDFInfo
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- CN207790595U CN207790595U CN201820049504.6U CN201820049504U CN207790595U CN 207790595 U CN207790595 U CN 207790595U CN 201820049504 U CN201820049504 U CN 201820049504U CN 207790595 U CN207790595 U CN 207790595U
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- level
- barrel
- netted
- absorption box
- layer configuration
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Abstract
The utility model discloses a kind of two-layer configuration vehicle energy absorption boxes in netted section, including:Front mounting plate;Primary structure, one end connect the front mounting plate, including:Level-one barrel;Level-one energy-absorbing unit is honeycomb structure, and section is netted, and the level-one energy-absorbing unit is located in the level-one barrel;Intermediate stable plate, one end connect the primary structure other end;Secondary structure, the section that one end is fixedly mounted on the secondary structure on the intermediate stable plate are netted;Two level barrel;Two level energy-absorbing unit is honeycomb molded body, and section is netted, and the two level energy-absorbing unit is located in the two level barrel;Mounting plate afterwards connects the other end of the secondary structure, and energy-absorption box absorbs energy jointly by the crumple deformation of two-stage endergonic structure barrel and its internal web elements, and energy absorbing efficiency is high.
Description
Technical field
The utility model is related to a kind of devices of automotive crash safety technical field, more precisely, the utility model relates to
And a kind of two-layer configuration vehicle energy absorption box in netted section.
Background technology
With the improvement of China's road conditions and the development of auto industry, the travel speed of automobile is gradually promoted, automobile speed
Degree is higher, and the consequence that accident occurs is more serious.
Vehicle energy absorption box is mainly the kinetic energy that automobile and member are absorbed when automobile collides, to reduce due to automobile
Collision causes serious injury to member.The technology content of energy-absorption box is most important to automotive SBC.In the prior art, in
State's license notification number is CN103909888A, and the day for announcing is on July 9th, 2014, entitled " vehicle energy absorption box "
Patent discloses a kind of vehicle energy absorption box, and uniform energy-absorbing is solved the problems, such as by the method for adding groove in energy-absorption box barrel.Its
Shortcoming is the energy absorption that too deep groove reduces energy-absorption box, and cannot be classified energy-absorbing, while adjusting parameter is few, be not easy with
Member's restraint system matches.
Currently, common vehicle energy absorption box is mainly single step arrangement, rectangular cross-section or circle, cause energy-absorption box that cannot divide
Grade energy-absorbing, and adjusting parameter is few, is matched with member's restraint system relatively difficult.
Utility model content
The utility model has designed and developed a kind of two-layer configuration vehicle energy absorption box in netted section, by two-stage endergonic structure
The crumple deformation of barrel and its internal web elements is common to absorb energy, and energy absorbing efficiency is high.
Technical solution provided by the utility model is:
A kind of two-layer configuration vehicle energy absorption box in netted section, including:
Front mounting plate;
Primary structure, one end connect the front mounting plate, including:
Level-one barrel;
Level-one energy-absorbing unit, is honeycomb structure, and section is netted, the level-one energy-absorbing unit
It is located in the level-one barrel;
Intermediate stable plate, one end connect the primary structure other end;
Secondary structure, the section that one end is fixedly mounted on the secondary structure on the intermediate stable plate are netted;
Two level barrel;
Two level energy-absorbing unit, is honeycomb molded body, and section is netted, the two level energy-absorbing list
Member is located in the two level barrel;
Mounting plate afterwards connects the other end of the secondary structure.
Preferably, the section of the level-one barrel and the two level barrel is regular polygon.
Preferably, the section of the level-one barrel and the two level barrel is regular hexagon.
Preferably, there are the level-one barrel multiple level-ones slot, the two level barrel to be induced to be induced with multiple two levels
The length direction of slot, the induction slot is identical as the wall surface width direction of the barrel.
Preferably, the width of the level-one induction slot is 17mm-19mm, and the depth of the level-one induction slot is 1.3mm-
1.7mm。
Preferably, the width of the two level induction slot is 20mm-22mm, and the depth of the two level induction slot is 0.8mm-
1.2mm。
Preferably, it is 0.7~0.8 times of level-one barrel wall surface width that the level-one, which induces the length of slot,;The two level
It is 0.7~0.8 times of two level barrel wall surface width to induce the length of slot.
Preferably, the section of the front mounting plate and the rear mounting plate is square.
Preferably, the thickness of the front mounting plate and the rear mounting plate is 3mm-6mm.
The beneficial effects of the utility model
1. a kind of two-layer configuration vehicle energy absorption box in netted section described in is when automobile collides, by two-stage energy-absorbing
The crumple deformation of structure barrel and its internal web elements is common to absorb energy, and energy absorbing efficiency is high.
2. a kind of two-layer configuration vehicle energy absorption box in netted section described in is when automobile collides, level-one endergonic structure
It first deforms, is deformed after two level endergonic structure, achieve the effect that energy-absorbing step by step.
3. a kind of two-layer configuration vehicle energy absorption box in netted section described in is when automobile collides, two-stage energy-absorbing barrel
On induction slot first deform, it is ensured that energy-absorption box barrel from front to back stablize crumple deformation.
4. a kind of two-layer configuration vehicle energy absorption box in netted section described in, the steadying plate between two-stage endergonic structure play
Two-layer configuration is connected, and ensures the effect of stable structure deformation.
A kind of two-layer configuration vehicle energy absorption box in netted section described in 5., can by adjusting two-stage endergonic structure barrel and
The wall thickness of its internal energy-absorbing unit and the barrel length of two-stage endergonic structure change the energy absorption performance of energy-absorption box, are convenient for and member
Restraint system is matched.
Description of the drawings
Fig. 1 is a kind of two-layer configuration vehicle energy absorption box axonometric projection view in netted section described in the utility model.
Fig. 2 is a kind of breakdown of the two-layer configuration Automobile energy absorption box structure composition in netted section described in the utility model
Axonometric projection view.
Fig. 3 is that a kind of two-layer configuration vehicle energy absorption box in netted section described in the utility model removes front mounting plate and one
The breakdown axonometric projection view of structure composition after level structure.
Fig. 4 is that a kind of axis of front mounting plate of the two-layer configuration vehicle energy absorption box in netted section described in the utility model is surveyed
Projection view.
Fig. 5 is that a kind of primary structure axis of two-layer configuration vehicle energy absorption box in netted section described in the utility model surveys throwing
Video display figure.
Fig. 6 is that a kind of secondary structure section of the two-layer configuration vehicle energy absorption box in netted section described in the utility model is cutd open
View.
Specific implementation mode
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art with reference to explanation
Book word can be implemented according to this.
As shown in Figure 1, the two-layer configuration vehicle energy absorption box in netted section provided by the utility model includes front mounting plate
130, level-one 140, intermediate stable plate 180, secondary structure 190 and rear mounting plate 210.
The shape of front mounting plate 130 is quadrangle, and thickness 4mm, an end face of front mounting plate 130 is equipped with before level-one
The depth of locating slot 120, level-one prelocalization slot 120 is 1.5mm, and shape is identical as the cross sectional shape of level-one barrel 250, for fixed
Position and connection level-one mechanism 140, front mounting plate 130 is welded to connect with primary structure 140.
As shown in figures 2-6, another end face of front mounting plate 130 is pacified before being equipped with 4 110,4, front mounting plate bolts
Loading board bolt 110 is welded on the end face of front mounting plate 130, and the position of front mounting plate bolt 110 is according to the knot of bumper
Structure determines.
Primary structure 140 is made of level-one barrel 250 and level-one energy-absorbing unit 240.
The cross sectional shape of level-one barrel 250 is regular hexagon, and 2 are respectively provided on the outside of six wall surfaces of level-one barrel 250
It is 0.8 times of 250 wall surface width of level-one barrel that level-one, which induces slot 150, the length of each level-one induction slot 150, and each level-one lures
The width of guide groove 150 is 18mm, depth 0.8mm, and the distance between two level-ones induction slots 150 are level-one knot on same wall surface
The half of the length of structure 140.The section of level-one energy-absorbing unit 240 is multiple regular hexagon structures for having common edge.
Between primary structure 140 and secondary structure 190, the shape of intermediate stable plate 180 is intermediate stable plate 180
One regular hexagon, thickness 4mm.One end face of intermediate stable plate 180 is equipped with locating slot 160 after level-one, another end
Face is equipped with two level prelocalization slot 170.The shape with depth of locating slot 160 are identical as level-one prelocalization slot 120 after level-one.Two level
The depth of prelocalization slot 170 is 1.5mm, and shape is identical as the cross sectional shape of two level barrel 270.Primary structure 140, intermediate stable
Plate 180 and secondary structure 190 weld together.
Secondary structure 190 is made of two level barrel 270 and two level energy-absorbing unit 260.
The cross sectional shape of two level barrel 270 is regular hexagon, and 2 are respectively provided on the outside of six wall surfaces of two level barrel 270
It is 0.8 times of 270 wall surface width of two level barrel that two level, which induces slot 200, the length of each two level induction slot 200, and each two level lures
The width of guide groove 200 is 20mm, depth 1mm, and the distance between two two levels induction slots 200 are secondary structure on same wall surface
The half of 190 length.The section of two level energy-absorbing unit 260 is multiple regular hexagon structures for having common edge.
The shape of mounting plate 210 is quadrangle afterwards, and thickness 4mm, an end face of rear mounting plate 210 is equipped with after two level
Locating slot 220, the depth of locating slot 220 is identical as shape and two level prelocalization slot 170 after two level.Locating slot 220 is used after two level
In positioning and connecting secondary facility 190, rear mounting plate 210 is welded to connect with secondary structure 190.Mounting plate 210 afterwards another
Installation crab bolt 230 is welded on the end face of rear mounting plate 210 after installation crab bolt 230,4 after end face is equipped with 4, after
The position of crab bolt 230 is installed according to the structure determination of automobile longitudinal girder.
A kind of two-layer configuration vehicle energy absorption box in netted section passes through front mounting plate bolt 110 and rear installation crab bolt 230
It is fixedly arranged on automobile.
Implement by taking the course of work of the two-layer configuration vehicle energy absorption box in netted section as an example, is described further:
A kind of two-layer configuration vehicle energy absorption box in netted section is burst by the material of primary structure and secondary structure
Compression deformation absorbs automobile collision energy, and energy-absorbing is stablized, and efficient.
The energy absorption performance of primary structure 140 is by the length and thickness of level-one barrel 250 and the thickness of level-one energy-absorbing unit 240
The influence of degree can adjust the performance of these parameter change primary structures 140;Secondary structure 190 is same.
According to user demand, primary structure 140 and secondary structure 190 parameter is adjusted to distribute the energy-absorbing of two-layer configuration
Ratio, meanwhile, it can be matched with member's restraint system by adjusting these parameters, reach best vehicle passive safety.
In this example, by parameter adjustment, the rigidity of primary structure 140 is less than the rigidity of secondary structure 190.When automobile occurs
When collision, level-one induction slot 150 reduces the rigidity around level-one induction slot 150 so that and level-one induction slot 150 first deforms, from
And ensures primary structure 140 and stablize crumple deformation from front to back.Then, level-one barrel 250 and level-one energy-absorbing unit 240, which are stablized, becomes
Shape energy-absorbing, when reaching a certain level for impact force, secondary structure 190 participates in deformation energy-absorbing, realizes two level energy-absorbing.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (9)
1. a kind of two-layer configuration vehicle energy absorption box in netted section, which is characterized in that including:
Front mounting plate;
Primary structure, one end connect the front mounting plate, including:
Level-one barrel;
Level-one energy-absorbing unit is honeycomb structure, and section is netted, and the level-one energy-absorbing unit is located at the level-one barrel
It is interior;
Intermediate stable plate, one end connect the primary structure other end;
Secondary structure, the section that one end is fixedly mounted on the secondary structure on the intermediate stable plate are netted;
Two level barrel;
Two level energy-absorbing unit is honeycomb molded body, and section is netted, and the two level energy-absorbing unit is located at the two level barrel
It is interior;
Mounting plate afterwards connects the other end of the secondary structure.
2. the two-layer configuration vehicle energy absorption box in netted section according to claim 1, which is characterized in that the level-one barrel
Section with the two level barrel is regular polygon.
3. the two-layer configuration vehicle energy absorption box in netted section according to claim 2, which is characterized in that the level-one barrel
Section with the two level barrel is regular hexagon.
4. the two-layer configuration vehicle energy absorption box in netted section according to claim 3, which is characterized in that the level-one barrel
With multiple level-ones induce slot, the two level barrel have multiple two levels induce slot, it is described induction slot length direction with it is described
The wall surface width direction of barrel is identical.
5. the two-layer configuration vehicle energy absorption box in netted section according to claim 4, which is characterized in that the level-one induces slot
Width be 17mm-19mm, the depth of level-one induction slot is 1.3mm-1.7mm.
6. the two-layer configuration vehicle energy absorption box in netted section according to claim 5, which is characterized in that the two level induces slot
Width be 20mm-22mm, the depth of two level induction slot is 0.8mm-1.2mm.
7. the two-layer configuration vehicle energy absorption box in the netted section according to claim 4 or 5, which is characterized in that the level-one lures
The length of guide groove is 0.7~0.8 times of level-one barrel wall surface width;The length of the two level induction slot is that two level barrel wall surface is wide
0.7~0.8 times of degree.
8. the two-layer configuration vehicle energy absorption box in netted section according to claim 1, which is characterized in that the front mounting plate
It is square with the section of the rear mounting plate.
9. the two-layer configuration vehicle energy absorption box in netted section according to claim 8, which is characterized in that the front mounting plate
Thickness with the rear mounting plate is 3mm-6mm.
Priority Applications (1)
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CN201820049504.6U CN207790595U (en) | 2018-01-12 | 2018-01-12 | A kind of two-layer configuration vehicle energy absorption box in netted section |
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CN201820049504.6U CN207790595U (en) | 2018-01-12 | 2018-01-12 | A kind of two-layer configuration vehicle energy absorption box in netted section |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108032827A (en) * | 2018-01-12 | 2018-05-15 | 吉林大学 | A kind of vehicle energy absorption box with two-stage endergonic structure |
-
2018
- 2018-01-12 CN CN201820049504.6U patent/CN207790595U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108032827A (en) * | 2018-01-12 | 2018-05-15 | 吉林大学 | A kind of vehicle energy absorption box with two-stage endergonic structure |
CN108032827B (en) * | 2018-01-12 | 2023-05-16 | 吉林大学 | Automobile energy absorption box with two-stage energy absorption structure |
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GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20220112 |
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CF01 | Termination of patent right due to non-payment of annual fee |