CN206264970U - Buffer unit and automobile front protecting system for automobile front protecting system - Google Patents
Buffer unit and automobile front protecting system for automobile front protecting system Download PDFInfo
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- CN206264970U CN206264970U CN201621159414.XU CN201621159414U CN206264970U CN 206264970 U CN206264970 U CN 206264970U CN 201621159414 U CN201621159414 U CN 201621159414U CN 206264970 U CN206264970 U CN 206264970U
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- buffer
- bar
- stopper
- automobile front
- protecting system
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Abstract
The utility model discloses a kind of buffer unit for automobile front protecting system and automobile front protecting system, buffer unit includes the first buffer part, the second buffer part and the 3rd buffer part that are made of a foam material；There are bar-shaped trough, including the first connection end and the second connection end in first buffer part；Second buffer part includes the first buffer stopper and the second buffer stopper, and the first end of the first buffer stopper is arranged on the first connection end, and the first end of the second buffer stopper is arranged on the second connection end；3rd buffer part includes the 3rd buffer stopper and the 4th buffer stopper, and the 3rd buffer stopper is located at the second end of the first buffer stopper, and the 4th buffer stopper is located at the second end of the second buffer stopper.Automobile front protecting system includes the buffer unit that overcoat and the utility model are provided, and the first buffer part, the second buffer part and the 3rd buffer part are arranged on the inner side of overcoat.The utility model improves the damping feature of buffer unit different parts, increased buffering effect, improves security protection ability, reduces production cost.
Description
Technical field
The utility model is related to technical field of safety protection, more particularly to a buffer unit for being used for automobile front protecting system.
Background technology
Bumper is the important protecting component of automobile, and buffer unit is typically provided with bumper to reduce automobile generation
When the damage caused during accident, such as automobile are with pedestrian collision, the buffer unit set on bumper produces deformation first, with
Buffer portion impulsive force, can be effectively reduced pedestrian lower leg or knee is hurt；When automobile is with collision scenario, set
Body of a motor car part is protected in the form of producing deformation in the buffer unit of bumper, the degree of injury of automobile is reduced, dimension is reduced
Repair expense.
In the prior art, buffer unit has the following disadvantages：First, buffer unit is made up of polyethylene foamed material, delays
The damping characteristics of flushing device are identical everywhere, it is impossible to meet requirement of the diverse location to shock-absorbing capacity in buffer unit；Second, buffering
The integral thickness of device is set to have much room for improvement, and in the thicker place of buffer unit, the compressibility of energy absorption device is poor, buffering effect
Difference, in the relatively thin place of buffer unit, during by external percussion, the deformation of generation is excessive, is not enough to buffering external
Momentum effect, buffering effect is poor；3rd, the design that section is hollowed out in setting using solid or part, solid design is not only
Easily produce extruding solid when being compressed, influence buffering effect, while wasting material, increased production cost.
Therefore, it is necessary to propose a kind of new buffer unit and automobile front protecting system, with solving the problems, such as above-mentioned technology,
Improve the shock-absorbing capacity of buffer unit different parts, increase buffering effect, lift security protection ability, reduce production cost.
Utility model content
In view of this, the utility model provides a kind of buffer unit and automobile front protecting system for automobile front protecting system
System, in solving the problems, such as above-mentioned technology, to improve the damping feature of buffer unit different parts, increases buffering effect, lifting peace
Full protection ability, reduces production cost.
The utility model provides a kind of buffer unit for automobile front protecting system, and the buffer unit is included by bubble
The first buffer part, the second buffer part and the 3rd buffer part that foam material is made, wherein, by foamed material density from small to large according to
It is secondary to be arranged as:First buffer part>Second buffer part>3rd buffer part；The bar of multiple insertions is provided with first buffer part
Shape groove, first buffer part includes the first connection end and the second connection end that are oppositely arranged；Second buffer part includes the
One buffer stopper and the second buffer stopper, the first end of first buffer stopper are arranged on first connection end, second buffering
The first end of block is arranged on second connection end；3rd buffer part includes the 3rd buffer stopper and the 4th buffer stopper, described
3rd buffer stopper is arranged on the second end of first buffer stopper, and the 4th buffer stopper is arranged on the of second buffer stopper
Two ends.
The buffer unit for being used for automobile front protecting system as described above, preferably：First buffer part includes coplanar setting
The first buffer bar, the second buffer bar and the 3rd buffer bar put, second buffer bar are fixed on the top of first buffer bar
Portion, the 3rd buffer bar is fixed on the top of second buffer bar, wherein, according to thickness it is descending be arranged in order for：
First buffer bar>Second buffer bar>3rd buffer bar.
The buffer unit for being used for automobile front protecting system as described above, preferably：The quantity of the bar-shaped trough is three, its
In, a bar-shaped trough is arranged in the 3rd buffer bar, and two other described bar-shaped trough is arranged on first buffering
On bar.
The buffer unit for being used for automobile front protecting system as described above, preferably：It is arranged in the 3rd buffer bar
The center line of bar-shaped trough overlaps with the center line of the 3rd buffer bar, is arranged on two bar-shaped troughs in first buffer bar
Symmetrical center line overlapped with the center line of first buffer bar.
The buffer unit for being used for automobile front protecting system as described above, preferably：First buffer stopper includes interior junction,
The dorsad coplanar setting in face of second buffer bar, sets at the top of first buffer stopper in the interior junction and the first buffer bar
Three layers of fan-shaped stepped, first end and the adjoining of the first buffer part of the fan-shaped stepped arc-shaped edges are equipped with, it is described fan-shaped stepped
Second end of arc-shaped edges is located at the interior junction.
The buffer unit for being used for automobile front protecting system as described above, preferably：The cross section of the 3rd buffer stopper
Area diminishes successively along the direction away from first buffer part, and the area of the cross section of the 4th buffer stopper is along away from described
The direction of the first buffer part diminishes successively.
The buffer unit for being used for automobile front protecting system as described above, preferably：First buffer part is by the first foaming
Polythene material is made, and second buffer stopper and the 3rd buffer stopper are made by the second polyethylene foamed material, described
4th buffer stopper is made up of the 3rd polyethylene foamed material；According to foam density order from high to low be arranged in order for：It is described
First polyethylene foamed material>The second polyethylene foamed material>The 3rd polyethylene foamed material.
The buffer unit for being used for automobile front protecting system as described above, preferably：The first end of first buffer stopper is glued
First connection end is connected on, the first end of second buffer stopper is bonded in second connection end.
The utility model additionally provides a kind of automobile front protecting system, including overcoat, and the use described in above-mentioned any one
In the buffer unit of automobile front protecting system, first buffer part, second buffer part and the 3rd buffer part are arranged successively
The inner side of the overcoat is arranged on after row.
Automobile front protecting system as described above, preferably：First buffer part, second buffer part and the described 3rd
Buffer part is connected on the overcoat.
Using the utility model provide buffer unit and automobile front protecting system for automobile front protecting system, can produce with
Lower beneficial effect：The damping feature of buffer unit different parts is improved, buffering effect is increased, security protection energy is improved
Power, reduces production cost.
Brief description of the drawings
Preferred embodiment in the present invention will be described in detail by accompanying drawing below, it will help understand the purpose of the present invention and excellent
Point, wherein:
The structural representation of the buffer unit that Fig. 1 is provided for the utility model embodiment.
The structural representation of the first buffer part that Fig. 2 is provided for the utility model embodiment.
Fig. 3 is the cross-sectional view of Fig. 2.
The structural representation of the first buffer stopper that Fig. 4 is provided for the utility model embodiment.
The structural representation of the 3rd buffer stopper that Fig. 5 is provided for the utility model embodiment.
Specific embodiment
The utility model is described in detail with reference to embodiment.Wherein identical parts identical accompanying drawing mark
Note is represented.It should be noted that the word "front", "rear" for being used in description below, "left", "right", "up" and "down" are referred to
Direction in accompanying drawing, word " interior " and " outward " are referred respectively to towards or away from the direction of particular elements geometric center.
The structural representation of the buffer unit that Fig. 1 is provided for the utility model embodiment, Fig. 2 is the utility model embodiment
The structural representation of the first buffer part for providing, Fig. 3 is the cross-sectional view of Fig. 2, and the cross section wherein shown in Fig. 3 is parallel to Fig. 2
In the first buffer part first end face, the structural representation of the first buffer stopper that Fig. 4 is provided for the utility model embodiment, Fig. 5
It is the structural representation of the 3rd buffer stopper that the utility model embodiment is provided.
The utility model embodiment is can be seen that from Fig. 1 to Fig. 5 there is provided a kind of buffer unit, including by foam material
The first buffer part 1, the second buffer part 2 and the 3rd buffer part 3 that material is made.
Referring to Fig. 1 to Fig. 5, wherein, according to the density of foamed material be arranged in order from big to small for:First buffering
Portion 1>Second buffer part 2>3rd buffer part 3；The bar-shaped trough 11 of multiple insertions, described are provided with first buffer part 1
One buffer part 1 includes the first connection end 12 and the second connection end 13 that are oppositely arranged；Second buffer part includes the first buffering
The buffer stopper 22 of block 21 and second, the first end of first buffer stopper 21 is arranged on first connection end 12, and described second delays
The first end for rushing block 22 is arranged on second connection end 13；3rd buffer part includes the 3rd buffer stopper 31 and the 4th buffering
Block 32, the 3rd buffer stopper 31 is arranged on the second end of first buffer stopper 21, and the 4th buffer stopper 32 is arranged on institute
State the second end of the second buffer stopper 22.
The buffer unit for automobile front protecting system that the utility model is provided, using the first buffer part 1, the second buffer part
It is spliced with the 3rd buffer part, the buffering vibration resistance and structure of each buffer part are different, can targetedly strengthens appearance
It is vulnerable to shock resistance and the cushioning ability of the larger buffer part of the impact forces collided or be subject to, increased buffering effect, together
When done reduction and reduction processing for the relatively low buffer part of smaller or by impacting probability that suffers reaction, optimize
The arrangement of production material, reduces production cost.First buffer part 1 is arranged on the most middle position of buffer unit, is arranged on
When in automobile front protecting system, positioned at the front of vehicle body, it is 30kg/m that the first buffer part 1 is arranged to by density3Low density foam
Material is made, and is provided with bar-shaped trough 11, to reduce the rigidity of the first buffer part 1, it is ensured that occur in the leg of pedestrian and vehicle body
During collision, the first energy absorbent block produces larger deformation, pedestrian is protected, while the position for being provided with multiple bar-shaped troughs 11 will can hit
Hit power and be delivered to collision prevention girders, play a part of to protect bodywork parts.Second buffer part deviates the front of vehicle body, positioned at vehicle body just
The side in front, anticollision requirement is higher compared to the first buffer part 1, and it is 60kg/m to use density3Middle-high density foamed material system
Into, the impact that vehicle body is subject to can be delivered to collision prevention girders when car and car occur low speed collision, by the deformation of collision prevention girders,
Play a part of to protect bodywork parts.3rd buffer locations are arranged to by density in the most side of buffer unit, the 3rd buffer part
It is 90kg/m3-120kg/m3High-density foam material is made, and typically can effectively increase the low speed of body forward structure insurance system
Collision performance, helps to protect bodywork parts.The utility model provide buffer unit, the first buffer part 1, the second buffer part and
3rd buffer part has different shock-absorbing capacities, increases buffering effect, lifts security protection ability, reduces production cost.
Preferably, first buffer part 1 includes the first buffer bar, the second buffer bar and the 3rd buffering of coplanar setting
Bar, second buffer bar is fixed on the top of first buffer bar, and the 3rd buffer bar is fixed on second buffering
The top of bar, wherein, according to thickness it is descending be arranged in order for：First buffer bar>Second buffer bar>3rd buffer bar.The
The thickness of one buffer bar, the second buffer bar and the 3rd buffer bar reduces the rigidity for not only contributing to weaken the first buffer part 1 successively,
Generation is bigger when the first buffer part 1 can be made to be subject to external impacts deforms, while the first buffer part 1 can be made to delay with being covered in first
The overcoat for rushing the change that is stepped of the outer surface of portion 1 is more fitted.
Further, the quantity of the bar-shaped trough 11 is three, wherein, a bar-shaped trough 11 is arranged on the described 3rd
In buffer bar, two other described bar-shaped trough 11 is arranged in first buffer bar.First buffer bar, the second buffer bar and
Three buffer bars are strip, and the thickness after superposition is 80mm, and respective length is 300mm, and the height of the first buffer bar is
100mm, analyzes by the optimization of finite element reduction local stiffness, and the width of the second buffer bar is set to 35mm, the 3rd buffer bar
Width be set to 25mm, while the length, width and height of three bar-shaped troughs 11 are 150mm × 35mm × 50mm, above-mentioned size design has
Beneficial to reduction local stiffness, pedestrian is protected.
As a preferred embodiment, the center line of the bar-shaped trough 11 being arranged in the 3rd buffer bar and described
The center line of three buffer bars overlaps, and is arranged on two symmetrical center lines of bar-shaped trough 11 in first buffer bar with described the
The center line of one buffer bar overlaps.It is above-mentioned to be provided with beneficial to the uniform force of the first buffer part 1.
It is preferred that first buffer stopper 21 includes in interior junction, the interior junction and the first buffer bar dorsad described the
The coplanar setting in face of two buffer bars, the top of first buffer stopper 21 is provided with three layers fan-shaped stepped 23, described fan-shaped stepped
The first end of 23 arc-shaped edges is abutted with the first buffer part 1, and the second end of fan-shaped stepped 23 arc-shaped edges is located in described
Junction.The matrix of the first buffer stopper 21 be rectangular-shape, 200mm long, 80mm wide and 100mm high, it is similarly, weak according to finite element
Change local stiffness optimization, fan-shaped stepped shape Weakening treatment has been done, to protect pedestrian.Wherein, the structure of the second buffer stopper 22 can be with
It is arranged to identical with the structure snd size of the first buffer stopper 21.
Used as a preferred embodiment, the area of the cross section of the 3rd buffer stopper 31 is along away from the described first buffering
The direction in portion 1 diminishes successively, the area of the cross section of the 4th buffer stopper 32 along the direction away from first buffer part 1 according to
It is secondary to diminish.The substantially trapezoidal mesa-shaped of 3rd buffer stopper 31, the 3rd buffer stopper 31 fully taken into account on car Angle Position needs
Protect the safety of pedestrian, the 3rd buffer stopper 31 is connected the thickness about 80mm of one end, the 3rd buffer stopper with the first buffer stopper 21
Thickness in 31 away from one end of the first buffer stopper 21 is about 40mm.Wherein, the structure snd size of the 4th buffer stopper 32 can set
It is set to identical with the structure snd size of the 3rd buffer stopper 31.
Preferably, first buffer part 1 is made up of the first polyethylene foamed material, second buffer stopper 22 and described
3rd buffer stopper 31 is made by the second polyethylene foamed material, and the 4th buffer stopper 32 is by the 3rd polyethylene foamed material system
Into；According to foam density order from low to high be arranged in order for：The first polyethylene foamed material>Second foaming is poly-
Vinyl material>The 3rd polyethylene foamed material.The density of foam is smaller, and rigidity is smaller, and compressibility is better.
Further, the first end of first buffer stopper 21 is bonded in first connection end 12, second buffering
The first end of block 22 is bonded in second connection end 13.It is adhesively fixed convenient and swift, it is to avoid unnecessary connection member, has
Beneficial to the lightweight of vehicle.
The utility model additionally provides a kind of automobile front protecting system, including overcoat and the utility model provide for vapour
The buffer unit of Chinese herbaceous peony insurance system, first buffer part 1, the second buffer part and the 3rd buffer part are set after being arranged in order
In the inner side of the overcoat.Overcoat is arranged on vehicle body and automobile front protecting system can be attached on automobile again.
Further, first buffer part 1, second buffer part and the 3rd buffer part are connected to the protection
It is a kind of stable connection on layer, is easy to the connected mode of handling.
Buffer unit and automobile front protecting system for automobile front protecting system that the utility model is provided, improve buffering dress
The shock-absorbing capacity of different parts is put, buffering effect is increased, security protection ability is improved, production cost is reduced.
Finally it should be noted that：Above example is only used to illustrate the technical solution of the utility model, rather than its limitations；
Although being described in detail to the utility model with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technology of the utility model
The scope of scheme.
Claims (10)
1. a kind of buffer unit for automobile front protecting system, it is characterised in that the buffer unit is included by foamed material
The first buffer part, the second buffer part and the 3rd buffer part being made, wherein, it is arranged in order from small to large by the density of foamed material
For:First buffer part>Second buffer part>3rd buffer part；
The bar-shaped trough of multiple insertions is provided with first buffer part, first buffer part includes the first company being oppositely arranged
Connect end and the second connection end；
Second buffer part includes the first buffer stopper and the second buffer stopper, and the first end of first buffer stopper is arranged on described
First connection end, the first end of second buffer stopper is arranged on second connection end；
3rd buffer part includes the 3rd buffer stopper and the 4th buffer stopper, and the 3rd buffer stopper is arranged on first buffering
Second end of block, the 4th buffer stopper is arranged on the second end of second buffer stopper.
2. the buffer unit for automobile front protecting system according to claim 1, it is characterised in that：First buffer part
The first buffer bar, the second buffer bar and the 3rd buffer bar including coplanar setting, second buffer bar are fixed on described first
The top of buffer bar, the 3rd buffer bar is fixed on the top of second buffer bar, wherein, according to thickness it is descending according to
It is secondary to be arranged as：First buffer bar>Second buffer bar>3rd buffer bar.
3. the buffer unit for automobile front protecting system according to claim 2, it is characterised in that：The number of the bar-shaped trough
It is three to measure, wherein, a bar-shaped trough is arranged in the 3rd buffer bar, and two other described bar-shaped trough is arranged on institute
State in the first buffer bar.
4. the buffer unit for automobile front protecting system according to claim 3, it is characterised in that：It is arranged on the described 3rd
The center line of the bar-shaped trough in buffer bar overlaps with the center line of the 3rd buffer bar, is arranged in first buffer bar
Two symmetrical center lines of bar-shaped trough overlap with the center line of first buffer bar.
5. the buffer unit for automobile front protecting system according to claim 2, it is characterised in that:First buffer stopper
Including interior junction, the dorsad coplanar setting in face of second buffer bar in the interior junction and the first buffer bar, described first delays
Rush at the top of block and be provided with three layers of fan-shaped stepped, first end and the adjoining of the first buffer part, institute of the fan-shaped stepped arc-shaped edges
The second end for stating fan-shaped stepped arc-shaped edges is located at the interior junction.
6. the buffer unit for automobile front protecting system according to claim 1, it is characterised in that：3rd buffer stopper
The area of cross section diminish successively along away from the direction of first buffer part, the area of the cross section of the 4th buffer stopper
Diminish successively along the direction away from first buffer part.
7. the buffer unit for automobile front protecting system according to claim 1, it is characterised in that：First buffer part
It is made up of the first polyethylene foamed material, second buffer stopper and the 3rd buffer stopper are by the second polyethylene foamed material
It is made, the 4th buffer stopper is made up of the 3rd polyethylene foamed material；Arranged successively according to foam density order from high to low
It is classified as：The first polyethylene foamed material>The second polyethylene foamed material>The 3rd polyethylene foamed material.
8. the buffer unit for automobile front protecting system according to claim 1-6 any one, it is characterised in that:It is described
The first end of the first buffer stopper is bonded in first connection end, and the first end of second buffer stopper is bonded in described second and connects
Connect end.
9. a kind of automobile front protecting system, including overcoat, it is characterised in that：Also include described in claim 1-8 any one
For the buffer unit of automobile front protecting system, first buffer part, second buffer part and the 3rd buffer part are successively
The inner side of the overcoat is arranged on after arrangement.
10. automobile front protecting system according to claim 9, it is characterised in that：First buffer part, second buffering
Portion and the 3rd buffer part are connected on the overcoat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621159414.XU CN206264970U (en) | 2016-11-01 | 2016-11-01 | Buffer unit and automobile front protecting system for automobile front protecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621159414.XU CN206264970U (en) | 2016-11-01 | 2016-11-01 | Buffer unit and automobile front protecting system for automobile front protecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206264970U true CN206264970U (en) | 2017-06-20 |
Family
ID=59039102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621159414.XU Active CN206264970U (en) | 2016-11-01 | 2016-11-01 | Buffer unit and automobile front protecting system for automobile front protecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206264970U (en) |
-
2016
- 2016-11-01 CN CN201621159414.XU patent/CN206264970U/en active Active
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