CN107985238B - Automobile mechanical impact buffering device - Google Patents
Automobile mechanical impact buffering device Download PDFInfo
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- CN107985238B CN107985238B CN201711274388.4A CN201711274388A CN107985238B CN 107985238 B CN107985238 B CN 107985238B CN 201711274388 A CN201711274388 A CN 201711274388A CN 107985238 B CN107985238 B CN 107985238B
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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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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 mechanical impact buffer device of an automobile, which comprises: the automobile bumper comprises an automobile front beam, a damping material layer, an anti-collision rod, a pressure spring, a damping material block, a bumper and a connecting rod; the automobile bumper comprises a bumper body, a bumper block, an automobile front beam, an anti-collision rod, a pressure spring and a connecting rod, wherein the inner side of the automobile front beam is provided with a damping material layer, the automobile front beam is connected with the damping material block through the anti-collision rod, the outer side of the anti-collision rod is provided with the pressure spring, and the automobile front beam is connected with the bumper through the connecting rod. The automobile mechanical impact buffering device has a very good anti-impact effect, can effectively buffer and greatly reduce the impact of external force on an automobile, reduces the damage degree of the automobile, avoids or reduces casualties of drivers and passengers, and practically ensures the life and property safety of people.
Description
Technical Field
The invention relates to an automobile mechanical impact buffering device.
Background
With the rapid increase of the automobile holding capacity, automobile collision accidents rise year by year, and most of the automobile collision accidents are rear-end collision accidents caused by inattention of driving, so that the life and property safety of people is seriously harmed.
The conventional automobile bumper is directly fixed on an automobile body and has no buffer effect. Therefore, it is necessary to invent a buffer device for mechanical impact of automobiles, so as to effectively buffer and greatly reduce the impact of external force on automobiles, reduce the damage degree of automobiles and avoid casualties and property loss.
Disclosure of Invention
The invention aims to provide a mechanical impact buffering device for an automobile, which can effectively buffer and greatly reduce the impact of external force on the automobile, reduce the damage degree of the automobile and avoid or reduce casualties of drivers and passengers.
The invention provides a mechanical impact buffer device for an automobile, which comprises: the automobile bumper comprises an automobile front beam, a damping material layer, an anti-collision rod, a pressure spring, a damping material block, a bumper and a connecting rod;
the automobile bumper comprises a bumper body, a bumper block, an automobile front beam, an anti-collision rod, a pressure spring and a connecting rod, wherein the inner side of the automobile front beam is provided with a damping material layer, the automobile front beam is connected with the damping material block through the anti-collision rod, the outer side of the anti-collision rod is provided with the pressure spring, and the automobile front beam is connected with the bumper through the connecting rod.
Furthermore, the number of the anti-collision rods is 2-5; the quantity of connecting rod is 2, the symmetry sets up.
Further, the thickness of the damping material layer is 2-3 mm; the damping material block is 5-10 cm.
Further, the shock-absorbing material layer and the shock-absorbing material block are made of the following components:
by weight, comprises: 2-60 parts of chloroprene rubber, 1-30 parts of hydrogenated styrene-butadiene-styrene block copolymer grafted maleic anhydride, 0.1-8 parts of graphene, 1-8 parts of cross-linking agent, 0.2-2 parts of antioxidant and 1-15 parts of expandable microsphere foaming agent;
preferably, the first and second liquid crystal materials are,
by weight, comprises: 10-60 parts of chloroprene rubber, 1-30 parts of hydrogenated styrene-butadiene-styrene block copolymer grafted maleic anhydride, 0.1-8 parts of graphene, 1-8 parts of cross-linking agent, 0.2-2 parts of antioxidant and 5-15 parts of expandable microsphere foaming agent.
Further, the weight ratio of the hydrogenated styrene-butadiene-styrene block copolymer to the hydrogenated styrene-butadiene-styrene block copolymer grafted maleic anhydride is 1: 0.2 to 10; preferably, the weight ratio of the hydrogenated styrene-butadiene-styrene block copolymer to the hydrogenated styrene-butadiene-styrene block copolymer grafted maleic anhydride is 1: 1-5.
Further, the styrene content of the hydrogenated styrene-butadiene-styrene block copolymer is 20 wt% to 40 wt%; preferably, the hydrogenated styrene-butadiene-styrene block copolymer has a styrene content of 30 wt%.
Further, the grafting rate of the hydrogenated styrene-butadiene-styrene block copolymer grafted maleic anhydride is 1.5-2%; the hydrogenated styrene-butadiene-styrene block copolymer grafted maleic anhydride has a melt index of 20-25g/10 min.
Further, the average sheet thickness of the graphene is 5-50 nm; the particle size of the expandable microsphere foaming agent is 9-15 mu m; the initial foaming temperature of the expandable microsphere foaming agent is 106-111 ℃, and the maximum foaming temperature is 138-147 ℃.
Further, the cross-linking agent is selected from one or at least two of dibenzoyl peroxide, dicumyl hydroperoxide and 2, 5-dimethyl-2, 5-di-tert-butyl hexane peroxide; the antioxidant is one or at least two selected from antioxidant 1010, antioxidant 1076, antioxidant 164 and antioxidant 264.
Further, the shock-absorbing material layer and the shock-absorbing material block are manufactured by the following method:
(1) mixing chloroprene rubber, hydrogenated styrene-butadiene-styrene block copolymer grafted maleic anhydride and graphene to obtain a mixture
(2) Adding a cross-linking agent and an antioxidant into the mixture, mixing, adding an expandable microsphere foaming agent, foaming, mixing, cooling and molding to obtain the damping material;
preferably, the foaming temperature is 110-.
The automobile mechanical impact buffering device has a very good anti-impact effect, can effectively buffer and greatly reduce the impact of external force on an automobile, reduces the damage degree of the automobile, avoids or reduces casualties of drivers and passengers, and practically ensures the life and property safety of people.
Obviously, many modifications, substitutions, and variations are possible in light of the above teachings of the invention, without departing from the basic technical spirit of the invention, as defined by the following claims.
The foregoing aspects of the present invention are explained in further detail by the following detailed description; this should not be understood as limiting the scope of the above-described subject matter of the present invention to the following examples only; all the technologies realized based on the concept of the present invention belong to the scope of the present invention.
Drawings
FIG. 1 is a schematic structural diagram of an automotive mechanical impact buffering device according to the present invention;
in the figure, 1-automobile front beam, 2-shock absorption material layer, 3-crash bar, 4-compression spring, 5-shock absorption material block, 6-bumper and 7-connecting rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the mechanical impact buffering device for automobile of the present invention comprises: the automobile bumper comprises an automobile front beam 1, a shock absorption material layer 2, an anti-collision rod 3, a pressure spring 4, a shock absorption material block 5, a bumper 6 and a connecting rod 7;
the inner side of an automobile front beam 1 is provided with a damping material layer 2, the automobile front beam 1 is connected with a damping material block 5 through an anti-collision rod 3, the outer side of the anti-collision rod 3 is provided with a pressure spring 4, and the automobile front beam 1 is connected with a bumper 6 through a connecting rod 7;
further, in the present invention,
the number of the anti-collision rods 3 is 2-5, preferably, the number of the anti-collision rods 3 is 3;
the number of the connecting rods 7 is 2, and the connecting rods are symmetrically arranged;
the shock-absorbing material layer 2 and the shock-absorbing material block 5 are prepared by adopting the following components and methods:
(1) taking raw materials: according to weight, 15 parts of chloroprene rubber, 5 parts of hydrogenated styrene-butadiene-styrene block copolymer grafted maleic anhydride, 0.5 part of graphene (average lamella thickness of 8nm), 3 parts of cross-linking agent (dibenzoyl peroxide), 2 parts of antioxidant (antioxidant 1010) and 6 parts of expandable microsphere foaming agent;
(2) taking chloroprene rubber, hydrogenated styrene-butadiene-styrene block copolymer grafted maleic anhydride and graphene, and mixing for 30-40 minutes to obtain a mixture;
(3) adding a cross-linking agent and an antioxidant into the mixture, mixing for 10-15 minutes, adding an expandable microsphere foaming agent, foaming at the temperature of 110-130 ℃, mixing for 10-15 minutes, cooling and forming to obtain the composite material;
preferably, the thickness of the shock absorbing material layer 2 is 2-3 mm; the block of shock absorbing material 5 is 6 cm.
Example 2
The invention relates to a damping material layer 2 and a damping material block 5 in an automobile mechanical impact buffer device, which are prepared by the following components and methods:
(1) taking raw materials: according to weight, 5 parts of chloroprene rubber, 8 parts of hydrogenated styrene-butadiene-styrene block copolymer, 2 parts of hydrogenated styrene-butadiene-styrene block copolymer grafted maleic anhydride, 5 parts of graphene (average lamella thickness of 8nm), 5 parts of cross-linking agent (dibenzoyl peroxide), 1 part of antioxidant (antioxidant 164) and 2 parts of expandable microsphere foaming agent;
(2) taking chloroprene rubber, hydrogenated styrene-butadiene-styrene block copolymer grafted maleic anhydride and graphene, and mixing for 30-40 minutes to obtain a mixture;
(3) adding a cross-linking agent and an antioxidant into the mixture, mixing for 10-15 minutes, adding an expandable microsphere foaming agent, foaming at the temperature of 110-130 ℃, mixing for 10-15 minutes, cooling and forming to obtain the composite material;
preferably, the thickness of the shock absorbing material layer 2 is 2-3 mm; the block of shock absorbing material 5 is 6 cm.
The vibration damper used in examples 1-2 of the present invention was tested for its properties according to a standard method, and the results are shown in Table 1.
Simulation tests prove that the automobile mechanical impact buffering device has a very good anti-impact effect, can effectively buffer and greatly reduce the impact of external force on an automobile, reduces the damage degree of the automobile, avoids or reduces casualties of drivers and passengers, and practically ensures the life and property safety of people.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that all such changes and modifications as fall within the true spirit and scope of the invention be considered as within the following claims.
Claims (12)
1. The utility model provides an automobile machinery striking buffer which characterized in that: the method comprises the following steps: the automobile bumper comprises an automobile front beam, a damping material layer, an anti-collision rod, a pressure spring, a damping material block, a bumper and a connecting rod;
the inner side of the automobile front beam is provided with a damping material layer, the automobile front beam is connected with a damping material block through an anti-collision rod, the outer side of the anti-collision rod is provided with a pressure spring, and the automobile front beam is connected with a bumper through a connecting rod;
the shock-absorbing material layer and the shock-absorbing material block are made of the following components:
by weight, comprises: 1-60 parts of chloroprene rubber, 1-30 parts of hydrogenated styrene-butadiene-styrene block copolymer grafted maleic anhydride, 0.1-8 parts of graphene, 1-8 parts of cross-linking agent, 0.2-2 parts of antioxidant and 1-15 parts of expandable microsphere foaming agent.
2. The mechanical impact buffering device for automobile according to claim 1, wherein: the number of the anti-collision rods is 2-5; the quantity of connecting rod is 2, the symmetry sets up.
3. The mechanical impact buffering device for automobile according to claim 1, wherein: the thickness of the damping material layer is 2-3 mm; the damping material block is 5-10 cm.
4. The mechanical impact buffering device for automobile according to any one of claims 1 to 3, wherein: the shock-absorbing material layer and the shock-absorbing material block are made of the following components:
by weight, comprises: 10-60 parts of chloroprene rubber, 1-30 parts of hydrogenated styrene-butadiene-styrene block copolymer grafted maleic anhydride, 0.1-8 parts of graphene, 1-8 parts of cross-linking agent, 0.2-2 parts of antioxidant and 5-15 parts of expandable microsphere foaming agent.
5. The mechanical impact buffering device for automobile according to claim 4, wherein: the weight ratio of the hydrogenated styrene-butadiene-styrene block copolymer to the hydrogenated styrene-butadiene-styrene block copolymer grafted maleic anhydride was 1: 0.2-10.
6. The mechanical impact buffering device for automobile according to claim 5, wherein: the weight ratio of the hydrogenated styrene-butadiene-styrene block copolymer to the hydrogenated styrene-butadiene-styrene block copolymer grafted maleic anhydride was 1: 1-5.
7. The mechanical impact buffering device for automobile according to claim 4, wherein: the styrene content of the hydrogenated styrene-butadiene-styrene block copolymer is 20 wt% to 40 wt%; preferably, the hydrogenated styrene-butadiene-styrene block copolymer has a styrene content of 30 wt%.
8. The mechanical impact buffering device for automobile according to claim 4, wherein: the grafting rate of the hydrogenated styrene-butadiene-styrene block copolymer grafted maleic anhydride is 1.5-2%; the hydrogenated styrene-butadiene-styrene block copolymer grafted maleic anhydride has a melt index of 20-25g/10 min.
9. The mechanical impact buffering device for automobile according to claim 4, wherein: the average sheet thickness of the graphene is 5-50 nm; the particle size of the expandable microsphere foaming agent is 9-15 mu m; the initial foaming temperature of the expandable microsphere foaming agent is 106-111 ℃, and the maximum foaming temperature is 138-147 ℃.
10. The mechanical impact buffering device for automobile according to claim 4, wherein: the cross-linking agent is selected from one or at least two of dibenzoyl peroxide, dicumyl hydroperoxide and 2, 5-dimethyl-2, 5-di-tert-butyl hexane peroxide; the antioxidant is one or at least two selected from antioxidant 1010, antioxidant 1076, antioxidant 164 and antioxidant 264.
11. The mechanical impact buffering device for automobile according to claim 4, wherein: the shock-absorbing material layer and the shock-absorbing material block are manufactured by the following method:
(1) mixing chloroprene rubber, hydrogenated styrene-butadiene-styrene block copolymer grafted maleic anhydride and graphene to obtain a mixture
(2) And adding a cross-linking agent and an antioxidant into the mixture, mixing, adding an expandable microsphere foaming agent, foaming, mixing, cooling and molding to obtain the damping material.
12. The mechanical impact buffering device for automobiles according to claim 11, characterized in that: the foaming temperature is 110-130 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711274388.4A CN107985238B (en) | 2017-12-06 | 2017-12-06 | Automobile mechanical impact buffering device |
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| CN201711274388.4A CN107985238B (en) | 2017-12-06 | 2017-12-06 | Automobile mechanical impact buffering device |
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| CN107985238A CN107985238A (en) | 2018-05-04 |
| CN107985238B true CN107985238B (en) | 2021-08-10 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
| CN107176124A (en) * | 2017-05-27 | 2017-09-19 | 陈志� | A kind of automobile provided with afterbody anticollision device, collision-prevention device |
| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| NL2014258B1 (en) * | 2015-02-06 | 2016-10-13 | Synbra Tech B V | A process for producing foam mouldings. |
| 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 |
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2017
- 2017-12-06 CN CN201711274388.4A patent/CN107985238B/en active Active
Patent Citations (5)
| 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 |
| 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 |
| 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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| CN107985238A (en) | 2018-05-04 |
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