CN107985238A - A kind of automobile mechanical impact attenuation device - Google Patents
A kind of automobile mechanical impact attenuation device Download PDFInfo
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- CN107985238A CN107985238A CN201711274388.4A CN201711274388A CN107985238A CN 107985238 A CN107985238 A CN 107985238A CN 201711274388 A CN201711274388 A CN 201711274388A CN 107985238 A CN107985238 A CN 107985238A
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- styrene
- parts
- butadiene
- mechanical impact
- attenuation device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/36—Combinations of yieldable mounting means of different types
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/32—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2311/00—Characterised by the use of homopolymers or copolymers of chloroprene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2353/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2353/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2411/00—Characterised by the use of homopolymers or copolymers of chloroprene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2453/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2453/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of automobile mechanical impact attenuation device, including：Car front beam, cushioning material, crash bar, compression spring, vibration-absorptive material block, bumper, connecting rod；Wherein, cushioning material is provided with the inside of car front beam, car front beam is connected by crash bar with vibration-absorptive material block, and compression spring is provided with the outside of crash bar, and car front beam is connected by connecting rod with bumper.Automobile mechanical impact attenuation device of the present invention, has very excellent anticollision effect, can effectively buffer and substantially reduce shock of the external force to automobile, mitigate the damage degree of automobile, avoid or reduce driver and conductor's injures and deaths, ensures the security of the lives and property of people conscientiously.
Description
Technical field
The present invention relates to a kind of automobile mechanical impact attenuation device.
Background technology
With the rapid growth of car ownership, automobile collision accident rises year by year, be due to much drive do not pay attention to and
The shock accident that knocks into the back triggered, seriously endangers the security of the lives and property of people.
Currently used bumper, is all to be directly anchored on car body, without cushioning effect.Therefore, it is necessary to send out
A kind of bright automobile mechanical impact attenuation device, so as to effectively buffer and substantially reduce shock of the external force to automobile, mitigates automobile
Damage degree, avoids casualties and property loss.
The content of the invention
It is an object of the invention to provide a kind of automobile mechanical impact attenuation device, can effectively buffer and substantially reduce outer
Shock of the power to automobile, mitigates the damage degree of automobile, avoids or reduce driver and conductor's injures and deaths.
A kind of automobile mechanical impact attenuation device provided by the invention, including：Car front beam, cushioning material, crash bar,
Compression spring, vibration-absorptive material block, bumper, connecting rod；
Wherein, cushioning material is provided with the inside of car front beam, car front beam passes through crash bar and vibration-absorptive material block phase
Connect, be provided with compression spring on the outside of crash bar, car front beam is connected by connecting rod with bumper.
Further, the setting quantity of crash bar is 2-5；The quantity of connecting rod is 2, is symmetrical arranged.
Further, the thickness of cushioning material is 2-3mm；Vibration-absorptive material block is 5-10cm.
Further, cushioning material and vibration-absorptive material block are made of using following components：
By weight, including：2-60 parts of neoprene, hydrogenated styrene-butadiene-styrene block copolymers 1-30
Part, 1-30 parts of hydrogenated styrene-butadiene-styrene block copolymers grafted maleic anhydride, 0.1-8 parts of graphene, crosslinking agent
1-8 parts, 0.2-2 parts of antioxidant, 1-15 parts of expended microsphere foaming agent；
Preferably,
By weight, including：10-60 parts of neoprene, hydrogenated styrene-butadiene-styrene block copolymers 1-30
Part, 1-30 parts of hydrogenated styrene-butadiene-styrene block copolymers grafted maleic anhydride, 0.1-8 parts of graphene, crosslinking agent
1-8 parts, 0.2-2 parts of antioxidant, 5-15 parts of expended microsphere foaming agent.
Further, hydrogenated styrene-butadiene-styrene block copolymers and hydrogenated styrene-butadiene-styrene
The weight ratio of block copolymer grafted maleic anhydride is 1：0.2-10；Preferably, hydrogenated styrene-butadiene-styrene block
The weight ratio of copolymer and hydrogenated styrene-butadiene-styrene block copolymers grafted maleic anhydride is 1：1-5.
Further, the styrene-content of the hydrogenated styrene-butadiene-styrene block copolymers is 20wt%-
40wt%；Preferably, the styrene-content of the hydrogenated styrene-butadiene-styrene block copolymers is 30wt%.
Further, the grafting rate of the hydrogenated styrene-butadiene-styrene block copolymers grafted maleic anhydride
1.5%-2%；The melt index of the hydrogenated styrene-butadiene-styrene block copolymers grafted maleic anhydride is 20-
25g/10min。
Further, the average platelet thickness 5-50nm of the graphene；The particle diameter of the expended microsphere foaming agent is
9-15μm；The starting blowing temperature of the expended microsphere foaming agent is 106-111 DEG C, maximum 138-147 DEG C of blowing temperature.
Further, the crosslinking agent is selected from dibenzoyl peroxide, cumyl peroxide, hydrogen peroxide diisopropyl
One kind or at least two in benzene, 2,5- dimethyl -2,5- di-t-butyl hexane peroxides；The antioxidant is selected from antioxidant
1010th, antioxidant 1076, antioxidant 164, one kind in antioxidant 264 or at least two.
Further, cushioning material and vibration-absorptive material block are made of using following methods：
(1) neoprene, hydrogenated styrene-butadiene-styrene block copolymers, hydrogenated styrene-butadiene-benzene are taken
Ethylene block copolymer grafted maleic anhydride, graphene, are kneaded, obtain mixture
(2) in above-mentioned mixture, crosslinking agent and antioxidant are added, after mixing, adds expended microsphere foaming agent, hair
Bubble, is kneaded, and cools down, shaping, up to vibration-absorptive material；
Preferably, the temperature of foaming is 110-130 DEG C.
Automobile mechanical impact attenuation device of the present invention, has very excellent anticollision effect, can effectively buffer and big
The big shock for reducing external force to automobile, mitigates the damage degree of automobile, avoids or reduce driver and conductor's injures and deaths, ensure people conscientiously
The security of the lives and property.
Obviously, the above according to the present invention, according to the ordinary technical knowledge and customary means of this area, is not departing from
Under the premise of the above-mentioned basic fundamental thought of the present invention, the modification, replacement or change of other diversified forms can also be made.
Below by way of embodiment, the above of the present invention is described in further detail again；But it should not incite somebody to action
This scope for being interpreted as the above-mentioned theme of the present invention is only limitted to following example；The technology that all designs based on the present invention are realized is equal
Belong to the scope of the present invention.
Brief description of the drawings
Fig. 1 is the structure diagram of automobile mechanical impact attenuation device of the present invention；
In figure, 1- car front beams, 2- cushioning materials, 3- crash bars, 4- compression springs, 5- vibration-absorptive material blocks, 6- insurances
Thick stick, 7- connecting rods.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with attached drawing, the present invention is made
It is further described.
Embodiment 1
As shown in Figure 1, automobile mechanical impact attenuation device of the present invention, including：Car front beam 1, cushioning material 2, anticollision
Bar 3, compression spring 4, vibration-absorptive material block 5, bumper 6, connecting rod 7；
Wherein, the inner side of car front beam 1 is provided with cushioning material 2, and car front beam 1 passes through crash bar 3 and vibration-absorptive material
Block 5 is connected, and the outside of crash bar 3 is provided with compression spring 4, and car front beam 1 is connected by connecting rod 7 with bumper 6；
Further,
The setting quantity of crash bar 3 is 2-5, it is preferred that the setting quantity of crash bar 3 is 3；
The quantity of connecting rod 7 is 2, is symmetrical arranged；
Cushioning material 2 and vibration-absorptive material block 5, are made of following components and method：
(1) raw material is taken：By weight, 15 parts of neoprene, hydrogenated styrene-butadiene-styrene block copolymers 5
Part, 5 parts of hydrogenated styrene-butadiene-styrene block copolymers grafted maleic anhydride, graphene (average platelet thickness 8nm)
0.5 part, 3 parts of crosslinking agent (dibenzoyl peroxide), 2 parts of antioxidant (antioxidant 1010), 6 parts of expended microsphere foaming agent；
(2) neoprene, hydrogenated styrene-butadiene-styrene block copolymers, hydrogenated styrene-butadiene-benzene are taken
Ethylene block copolymer grafted maleic anhydride, graphene, are kneaded 30-40 minutes, obtain mixture；
(3) in above-mentioned mixture, crosslinking agent and antioxidant are added, after being kneaded 10-15 minutes, adds expended microsphere hair
Infusion, foams at 110-130 DEG C, is kneaded 10-15 minutes, cools down, shaping, to obtain the final product；
Preferably, the thickness of cushioning material 2 is 2-3mm；Vibration-absorptive material block 5 is 6cm.
Embodiment 2
Cushioning material 2 and vibration-absorptive material block 5 in automobile mechanical impact attenuation device of the present invention, using following components and
Method is made：
(1) raw material is taken：By weight, 5 parts of neoprene, 8 parts of hydrogenated styrene-butadiene-styrene block copolymers,
2 parts of hydrogenated styrene-butadiene-styrene block copolymers grafted maleic anhydride, 5 parts of graphene (average platelet thickness 8nm),
5 parts of crosslinking agent (dibenzoyl peroxide), 1 part of antioxidant (antioxidant 164), 2 parts of expended microsphere foaming agent；
(2) neoprene, hydrogenated styrene-butadiene-styrene block copolymers, hydrogenated styrene-butadiene-benzene are taken
Ethylene block copolymer grafted maleic anhydride, graphene, are kneaded 30-40 minutes, obtain mixture；
(3) in above-mentioned mixture, crosslinking agent and antioxidant are added, after being kneaded 10-15 minutes, adds expended microsphere hair
Infusion, foams at 110-130 DEG C, is kneaded 10-15 minutes, cools down, shaping, to obtain the final product；
Preferably, the thickness of cushioning material 2 is 2-3mm；Vibration-absorptive material block 5 is 6cm.
To vibration-absorptive material used in 1-2 of the embodiment of the present invention, its performance is tested according to standard method, the results are shown in Table 1.
Simulation test proves that automobile mechanical impact attenuation device of the present invention, has very excellent anticollision effect, can
Effectively buffer and substantially reduce shock of the external force to automobile, mitigate the damage degree of automobile, avoid or reduce driver and conductor's injures and deaths,
Conscientiously the security of the lives and property of people is ensured.
Certainly, the present invention can also have other numerous embodiments, in the case of without departing substantially from spirit of the invention and its essence,
Those skilled in the art can make various corresponding changes and deformation according to the present invention, but these change and become accordingly
Shape should all belong to the protection domain of appended claims of the invention.
Claims (10)
- A kind of 1. automobile mechanical impact attenuation device, it is characterised in that：Including：Car front beam, cushioning material, crash bar, pressure Power spring, vibration-absorptive material block, bumper, connecting rod；Wherein, cushioning material is provided with the inside of car front beam, car front beam is connected by crash bar with vibration-absorptive material block, Compression spring is provided with the outside of crash bar, car front beam is connected by connecting rod with bumper.
- 2. automobile mechanical impact attenuation device according to claim 1, it is characterised in that：The setting quantity of crash bar is 2- 5；The quantity of connecting rod is 2, is symmetrical arranged.
- 3. automobile mechanical impact attenuation device according to claim 1, it is characterised in that：The thickness of cushioning material is 2- 3mm；Vibration-absorptive material block is 5-10cm.
- 4. according to the automobile mechanical impact attenuation device described in claim 1-3 any one, it is characterised in that：Cushioning material It is made of using following components with vibration-absorptive material block：By weight, including：2-60 parts of neoprene, 1-30 parts of hydrogenated styrene-butadiene-styrene block copolymers, hydrogen Change 1-30 parts of Styrene-Butadiene-Styrene Block Copolymer grafted maleic anhydride, 0.1-8 parts of graphene, 1-8 parts of crosslinking agent, 0.2-2 parts of antioxidant, 1-15 parts of expended microsphere foaming agent；Preferably,By weight, including：10-60 parts of neoprene, 1-30 parts of hydrogenated styrene-butadiene-styrene block copolymers, hydrogen Change 1-30 parts of Styrene-Butadiene-Styrene Block Copolymer grafted maleic anhydride, 0.1-8 parts of graphene, 1-8 parts of crosslinking agent, 0.2-2 parts of antioxidant, 5-15 parts of expended microsphere foaming agent.
- 5. automobile mechanical impact attenuation device according to claim 4, it is characterised in that：Hydrogenated styrene-butadiene-benzene The weight ratio of ethylene block copolymer and hydrogenated styrene-butadiene-styrene block copolymers grafted maleic anhydride is 1： 0.2-10；Preferably, hydrogenated styrene-butadiene-styrene block copolymers and hydrogenated styrene-butadiene-styrene are embedding The weight ratio of section copolymer grafted maleic anhydride is 1：1-5.
- 6. automobile mechanical impact attenuation device according to claim 4, it is characterised in that：Hydrogenated styrene-the fourth two The styrene-content of alkene-styrene block copolymer is 20wt%-40wt%；Preferably, the hydrogenated styrene-butadiene- The styrene-content of styrene block copolymer is 30wt%.
- 7. automobile mechanical impact attenuation device according to claim 4, it is characterised in that：Hydrogenated styrene-the fourth two The grafting rate 1.5%-2% of alkene-styrene block copolymer grafted maleic anhydride；The hydrogenated styrene-butadiene-styrene The melt index of block copolymer grafted maleic anhydride is 20-25g/10min.
- 8. automobile mechanical impact attenuation device according to claim 4, it is characterised in that：The average platelet of the graphene Thickness 5-50nm；The particle diameter of the expended microsphere foaming agent is 9-15 μm；The starting foaming of the expended microsphere foaming agent Temperature is 106-111 DEG C, maximum 138-147 DEG C of blowing temperature.
- 9. automobile mechanical impact attenuation device according to claim 4, it is characterised in that：The crosslinking agent is selected from peroxidating In dibenzoyl, cumyl peroxide, di-isopropylbenzene hydroperoxide, 2,5- dimethyl -2,5- di-t-butyl hexane peroxides One kind or at least two；The antioxidant is in antioxidant 1010, antioxidant 1076, antioxidant 164, antioxidant 264 One kind or at least two.
- 10. automobile mechanical impact attenuation device according to claim 4, it is characterised in that：Cushioning material and damping material Expect that block is made of using following methods：(1) neoprene, hydrogenated styrene-butadiene-styrene block copolymers, hydrogenated styrene-butadiene-styrene are taken Block copolymer grafted maleic anhydride, graphene, are kneaded, obtain mixture(2) in above-mentioned mixture, crosslinking agent and antioxidant are added, after mixing, expended microsphere foaming agent is added, foams, mix Refining, cools down, shaping, up to vibration-absorptive material；Preferably, the temperature of foaming is 110-130 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711274388.4A CN107985238B (en) | 2017-12-06 | 2017-12-06 | Automobile mechanical impact buffering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711274388.4A CN107985238B (en) | 2017-12-06 | 2017-12-06 | Automobile mechanical impact buffering device |
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| Publication Number | Publication Date |
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| CN107985238A true CN107985238A (en) | 2018-05-04 |
| CN107985238B CN107985238B (en) | 2021-08-10 |
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| CN201711274388.4A Active CN107985238B (en) | 2017-12-06 | 2017-12-06 | Automobile mechanical impact buffering device |
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| CN201824984U (en) * | 2010-10-29 | 2011-05-11 | 徐玲慧 | Novel bumper |
| CN102690459A (en) * | 2012-04-27 | 2012-09-26 | 华东理工大学 | High-resilience chemical crosslinked polyethylene foam material and preparation method thereof |
| CN105860126A (en) * | 2015-02-06 | 2016-08-17 | 辛布拉技术有限公司 | Process for producing foam mouldings |
| CN106349633A (en) * | 2016-08-28 | 2017-01-25 | 福建晋江市山水鞋材有限公司 | High-fitting TPE (thermoplastic elastomer) foam material as well as preparation method and application thereof |
| CN107151373A (en) * | 2017-05-22 | 2017-09-12 | 美瑞新材料股份有限公司 | A kind of expanded material composition with high resilience and preparation method thereof |
| CN107176126A (en) * | 2017-04-29 | 2017-09-19 | 太仓市夏米粒信息技术有限公司 | A kind of high intensity anti-deformation bumper |
| CN107176124A (en) * | 2017-05-27 | 2017-09-19 | 陈志� | A kind of automobile provided with afterbody anticollision device, collision-prevention device |
-
2017
- 2017-12-06 CN CN201711274388.4A patent/CN107985238B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1732216A (en) * | 2002-12-31 | 2006-02-08 | 3M创新有限公司 | Stabilized foams including surface-modified organic molecules |
| CN201824984U (en) * | 2010-10-29 | 2011-05-11 | 徐玲慧 | Novel bumper |
| CN102690459A (en) * | 2012-04-27 | 2012-09-26 | 华东理工大学 | High-resilience chemical crosslinked polyethylene foam material and preparation method thereof |
| CN105860126A (en) * | 2015-02-06 | 2016-08-17 | 辛布拉技术有限公司 | Process for producing foam mouldings |
| CN106349633A (en) * | 2016-08-28 | 2017-01-25 | 福建晋江市山水鞋材有限公司 | High-fitting TPE (thermoplastic elastomer) foam material as well as preparation method and application thereof |
| CN107176126A (en) * | 2017-04-29 | 2017-09-19 | 太仓市夏米粒信息技术有限公司 | A kind of high intensity anti-deformation bumper |
| CN107151373A (en) * | 2017-05-22 | 2017-09-12 | 美瑞新材料股份有限公司 | A kind of expanded material composition with high resilience and preparation method thereof |
| CN107176124A (en) * | 2017-05-27 | 2017-09-19 | 陈志� | A kind of automobile provided with afterbody anticollision device, collision-prevention device |
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