CN109466498B - Breakable hood support and automobile - Google Patents

Breakable hood support and automobile Download PDF

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Publication number
CN109466498B
CN109466498B CN201710797178.7A CN201710797178A CN109466498B CN 109466498 B CN109466498 B CN 109466498B CN 201710797178 A CN201710797178 A CN 201710797178A CN 109466498 B CN109466498 B CN 109466498B
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China
Prior art keywords
connecting column
base
hood
breakable
support
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CN201710797178.7A
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CN109466498A (en
Inventor
王子叶
彭荣华
徐纯亮
李松
杨克开
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PSA Automobiles SA
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PSA Automobiles SA
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Priority to CN201710797178.7A priority Critical patent/CN109466498B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/34Protecting non-occupants of a vehicle, e.g. pedestrians
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08Front or rear portions
    • B62D25/10Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
    • B62D25/105Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles for motor cars
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08Front or rear portions
    • B62D25/10Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
    • B62D25/12Parts or details thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/34Protecting non-occupants of a vehicle, e.g. pedestrians
    • B60R2021/343Protecting non-occupants of a vehicle, e.g. pedestrians using deformable body panel, bodywork or components

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Superstructure Of Vehicle (AREA)

Abstract

The invention relates to the technical field of automobile parts, in particular to a breakable hood support and an automobile. The invention provides a breakable hood support piece which comprises a support body, wherein the support body comprises a base and a connecting column, the base is fixed on a bumper framework, one end of the connecting column is connected with the base, the other end of the connecting column is connected with a rubber pad, and the connecting column is connected with a hood through the rubber pad; the base and the connecting column are both made of PP + TD or PP + MD. The utility model provides a aircraft bonnet support piece, moreover, the steam generator is simple in structure, and reasonable in design, it makes through the combined material that adds talcum powder in the PP material or add mineral fibre in the PP material to support the body, the aircraft bonnet support piece quality that can effectively guarantee every batch production is the same, product quality stability is strong, and aircraft bonnet support piece makes alone, when guaranteeing to realize supporting reliably the aircraft bonnet, when colliding with the pedestrian, aircraft bonnet support piece is easy to be squashed to the fracture, change the energy-absorbing, do benefit to the protection pedestrian.

Description

Breakable hood support and automobile
Technical Field
The invention relates to the technical field of automobile parts, in particular to a breakable hood support and an automobile.
Background
Traffic accidents caused by collision of automobiles and pedestrians are more and more, and the traffic accidents can bring great harm to the pedestrians. In particular, when a pedestrian on the road collides with the front of the vehicle, the head of the pedestrian most easily collides with the hood at the front end of the automobile. In order to reduce the injury of the pedestrians, two treatment modes are mainly focused, wherein one mode is to reduce the strength of the engine hood and directly reduce the injury; and secondly, the effective deformation energy absorption performance of the engine hood is improved, and the acceleration during head collision is reduced. However, the first method is limited by the strength requirement of the transmitter housing, and the space for improving the safety performance is limited, so that researchers have focused on the second method.
At present, an engine hood is supported by two hood supporting pieces arranged on a bumper framework, the hood supporting pieces and the bumper framework are manufactured in an injection molding and integral molding mode, the hood supporting pieces are made of polypropylene and glass fiber composite materials, the quality stability of the hood supporting pieces manufactured by the composite materials is poor, the strength difference of the hood supporting pieces is large, the hood supporting pieces with large strength are not easy to break, cannot play an effective energy absorption role, and are easy to cause injuries to pedestrians; the lower aircraft bonnet support piece of intensity is breakable in the use, and the support reliability is poor, carries out product quality low.
Disclosure of Invention
Technical problem to be solved
The first object of the present invention is: the utility model provides a simple structure, reasonable in design and can improve product quality and improve whole car pedestrian's protective properties's formula of breaking aircraft bonnet support piece to solve current engine bonnet and exist because of the poor and can not effectively play the problem of energy-absorbing effect of support reliability that quality reliability is low, intensity is uncontrollable and cause.
The second object of the present invention is: the utility model provides an including simple structure, reasonable in design and can improve product quality and improve whole car pedestrian protection's ability of breaking formula aircraft bonnet support piece's car to solve current engine bonnet and exist because of the quality reliability is low, the strength uncontrollable support reliability that causes is poor and can not effectively play the problem of energy-absorbing effect.
(II) technical scheme
In order to solve the technical problems, the invention provides a breakable hood support, which comprises a support body, wherein the support body comprises a base and a connecting column, the base is fixed on a bumper framework, one end of the connecting column is connected with the base, the other end of the connecting column is connected with a rubber pad, and the connecting column is connected with a hood through the rubber pad; the base and the connecting column are both made of PP + TD materials or PP + MD materials.
The base and the connecting column are both made of PP + TD20 materials.
Wherein, the base is provided with a through groove at the periphery of the connecting column.
The number of the through grooves is multiple, and the through grooves are symmetrically arranged on the base by taking the center of the connecting column as a center.
Wherein the cross section of the through groove is U-shaped or circular arc-shaped.
The base is connected with the bumper framework in a welding or bonding or riveting mode.
The connecting column is a conical cylinder, the rubber pad is connected with one end, with a small caliber, of the connecting column, and the base is connected with one end, with a large caliber, of the connecting column.
The connecting column is a cylinder, a cuboid, a triangular prism or a polygonal prism.
Wherein, the connecting column and the base are integrally formed.
The invention also provides an automobile which comprises the hood, the bumper framework and the breakable hood support.
(III) advantageous effects
The technical scheme of the invention has the following advantages:
the invention provides a breakable hood support, which comprises a support body, wherein the support body comprises a base and a connecting column, the base is fixed on a bumper framework, one end of the connecting column is connected with the base, the other end of the connecting column is connected with a rubber pad, and the connecting column is connected with a hood through the rubber pad; the base and the connecting column are both made of PP + TD materials or PP + MD materials. The utility model provides a aircraft bonnet support piece, moreover, the steam generator is simple in structure, and reasonable in design, and support the body and make through the combined material that adds talcum powder in the PP material or add mineral fibre in the PP material, the aircraft bonnet support piece quality that can effectively guarantee every batch production is the same, product quality stability is strong, and aircraft bonnet support piece makes alone, when guaranteeing to realize supporting reliably the aircraft bonnet, if take place the accident with pedestrian's collision, aircraft bonnet support piece is easy to be conquassation to the fracture, change the energy-absorbing, and then reduce the injury that the aircraft bonnet led to the fact the pedestrian, do benefit to the protection pedestrian, prevent pedestrian's injury.
Drawings
FIG. 1 is a schematic illustration of the connection between a hood, hood supports and a bumper beam frame of an automotive embodiment of the present invention;
FIG. 2 is a schematic view of a hood support according to one embodiment of the present invention.
In the figure: 1: a support body; 1-1: a base; 1-2: connecting columns; 1-3: a through groove; 2: a hood; 3: a bumper beam frame; 4: and (7) a rubber pad.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 to 2, an embodiment of the present invention provides a breakable hood support, including a support body 1, where the support body 1 includes a base 1-1 and a connecting column 1-2, the base 1-1 is fixed on a bumper framework 3, one end of the connecting column 1-2 is connected to the base 1-1, the other end of the connecting column 1-2 is connected to a rubber pad 4, and the connecting column 1-2 is connected to a hood 2 through the rubber pad 4; the base 1-1 and the connecting column 1-2 are both made of PP + TD materials or PP + MD materials. The utility model provides a aircraft bonnet support piece, moreover, the steam generator is simple in structure, and reasonable in design, and fix on bumper beam skeleton 3 through base 1-1, and simultaneously, support body 1 and adopt PP + TD material or PP + MD material to make, add talcum powder or add mineral fibre in PP (polypropylene) material promptly in PP (polypropylene) material, the aircraft bonnet support piece quality that can effectively guarantee every batch production is the same, product quality stability is strong, and aircraft bonnet support piece makes alone, when guaranteeing to realize supporting reliably aircraft bonnet 2, if take place the accident with pedestrian's collision, aircraft bonnet support piece is easy to be crumpled to the fracture, change the energy-absorbing, and then reduce the injury that aircraft bonnet 2 caused to the pedestrian, do benefit to the protection pedestrian, prevent pedestrian's injury.
Preferably, in the present embodiment, the hood support provided by the present application, the support body 1 is made of PP + TD20 material, that is, 20% of talc powder is added to PP (polypropylene) material, and the hood support made of this material has the advantages of optimal product quality stability, good product quality, and being beneficial to ensuring long-term, effective and reliable support of the hood 2.
Preferably, in this embodiment, the hood 2 is provided with a clamping groove corresponding to the rubber pad 4, and when in use, the hood 2 is lapped on the connecting column 1-2 of the support body 1 through the rubber pad 4, so as to connect the hood 2 with the bumper framework 3.
Further, the base 1-1 is provided with a through groove 1-3 at the periphery of the connecting column 1-2. In this embodiment, the base 1-1 of the support body 1 is provided with the through groove 1-3, and the through groove 1-3 is disposed on the periphery of the connecting column 1-2, so that on one hand, the balance weight of the whole support body 1 is reduced, and on the other hand, the overall structural strength of the support body 1 is reduced, so that when the front end of the automobile collides with a pedestrian, the support body 1 can quickly absorb energy to reduce the crushing time of the support body 1, and further reduce the injury to the pedestrian.
Preferably, the number of the through grooves 1-3 is multiple, and the multiple through grooves 1-3 are symmetrically arranged on the base 1-1 by taking the center of the connecting column 1-2 as the center. The number of the through grooves 1-3 is set to be multiple, so that the structural strength of the whole support body 1 is weakened, the functions of easiness in crushing and easiness in absorbing energy are achieved, the through grooves 1-3 are symmetrically arranged on the periphery of the connecting column 1-2, on one hand, the attractiveness is good, on the other hand, the stress of the support body 1 is uniform in collision, the situation of local fracture is avoided, and further the injury to pedestrians is reduced. In particular, the number of through slots 1-3 can be chosen appropriately according to the actual implementation conditions.
Preferably, the cross-section of the through-going grooves 1-3 is U-shaped or circular arc-shaped. In the embodiment, the number of the through grooves 1-3 is four, the cross section of each through groove 1-3 is arc-shaped, the four arc-shaped through grooves 1-3 are symmetrically arranged on the periphery of the connecting column 1-2, the structure is simple, the appearance is good, and on the basis of ensuring the reliability of connecting the bumper beam framework 3 and the hood 2, the bumper beam framework is easy to crush to break, so that the pedestrian protection effect is realized. Specifically, the shape of the through-grooves 1 to 3 can be appropriately selected according to actual implementation conditions.
Preferably, the base 1-1 is connected with the bumper framework by welding or bonding or riveting. The hood support and the bumper framework 3 provided by the application are manufactured separately, specifically, the hood support is fixedly connected with the bumper framework 3 through the base 1-1, wherein the fixed connection mode can include but is not limited to welding, bonding, rivet connection, clamping connection, bolt connection and the like, and a reasonable connection mode can be selected according to actual implementation conditions.
Preferably, in this embodiment, adopt the welded mode, realize the fixed connection of aircraft bonnet support piece and bumper beam skeleton 3, processing technology is simple, and production cost is low and fixed effectual.
Preferably, the connecting column 1-2 is a conical cylinder, the rubber pad 4 is connected with one end of the connecting column 1-2 with a small caliber, and the base 1-1 is connected with one end of the connecting column 1-2 with a large caliber. Or the connecting columns 1-2 are cylinders, cuboids, triangular columns or polygonal columns.
In the embodiment, the connecting columns 1-2 are conical cylinders, so that the mechanical strength is high, the center of gravity is low, the stability is good, and the reliability of the supporting hood 2 is improved; meanwhile, the axis of the conical cylinder body has high-precision coaxiality, and the hood supporting piece and the bumper framework 3 can be assembled and disassembled quickly. Specifically, the shape of the connecting column 1-2 can be selected reasonably according to actual implementation conditions.
Preferably, the connecting column 1-2 and the base 1-1 are integrally formed, and an integrally forming mode is adopted, so that the production efficiency is high, the number of parts is reduced, the assembly cost is saved, and the economical efficiency is good. Besides, the connecting column 1-2 and the base 1-1 can be fixedly connected by means of bonding, welding or riveting after being manufactured separately.
The invention also provides an automobile which comprises a hood 2, a bumper framework 3 and the breakable hood support, and the breakable hood support has all the beneficial effects because of the arrangement of the breakable hood support, and the detailed description is omitted.
Specifically, the aircraft bonnet support piece's of formula of can breaking quantity is two, and the aircraft bonnet support piece of two formula of can breaking uses the central axis of car as central symmetry arrangement in the left and right sides of bumper bar skeleton 3, simple structure, and reasonable in design when effectively guaranteeing to support the reliability, easily by the beneficial effect of crumpling when having the collision concurrently, and the practicality is strong, does benefit to and carries out standardized production and popularization.
In summary, the invention provides a breakable hood support, which comprises a support body, wherein the support body comprises a base and a connecting column, the base is fixed on a bumper framework, one end of the connecting column is connected with the base, the other end of the connecting column is connected with a rubber pad, and the connecting column is connected with a hood through the rubber pad; the base and the connecting column are both made of PP + TD materials or PP + MD materials. The application provides an aircraft bonnet support piece, moreover, the steam generator is simple in structure, and reasonable in design, and support the body and make through the combined material that adds the talcum powder in the PP material or add the mineral wool in the PP material, it is the same to guarantee effectively that the aircraft bonnet support piece quality of every batch production is produced, product quality stability is strong, and aircraft bonnet support piece makes alone, when guaranteeing to realize supporting reliably the aircraft bonnet, if take place the accident with pedestrian's collision, aircraft bonnet support piece is easy to be crumpled to the fracture, change the energy-absorbing, and then reduce the injury that the aircraft bonnet caused the pedestrian, do benefit to the protection pedestrian, prevent pedestrian's injury.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (8)

1. A breakable hood support, characterized by: the supporting device comprises a supporting body, wherein the supporting body comprises a base and a connecting column, the base is fixed on a bumper framework, one end of the connecting column is connected with the base, the other end of the connecting column is connected with a rubber pad, and the connecting column is connected with a hood through the rubber pad; the base and the connecting column are both made of PP + TD materials or PP + MD materials, and the base is provided with a through groove with a U-shaped cross section at the periphery of the connecting column.
2. The breakable hood support according to claim 1, characterized in that: the base and the connecting column are both made of PP + TD20 materials.
3. The breakable hood support according to claim 1, characterized in that: the number of the through grooves is multiple, and the through grooves are symmetrically arranged on the base by taking the center of the connecting column as a center.
4. The breakable hood support according to claim 1, characterized in that: the base with the mode of connection of bumper skeleton is welding or bonding or rivet connection.
5. A breakable hood support according to any of claims 1 to 4, characterized in that: the connecting column is a conical cylinder, the rubber pad is connected with one end, with a small caliber, of the connecting column, and the base is connected with one end, with a large caliber, of the connecting column.
6. The breakable hood support according to any one of claims 1 to 4, wherein: the connecting column is a cylinder, a cuboid, a triangular prism or a polygonal prism.
7. A breakable hood support according to any of claims 1 to 4, characterized in that: the connecting column and the base are integrally formed.
8. An automobile, characterized in that: comprising a hood, a bumper beam frame and a breakable hood support according to any one of claims 1 to 7.
CN201710797178.7A 2017-09-06 2017-09-06 Breakable hood support and automobile Active CN109466498B (en)

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Application Number Priority Date Filing Date Title
CN201710797178.7A CN109466498B (en) 2017-09-06 2017-09-06 Breakable hood support and automobile

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CN201710797178.7A CN109466498B (en) 2017-09-06 2017-09-06 Breakable hood support and automobile

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CN109466498A CN109466498A (en) 2019-03-15
CN109466498B true CN109466498B (en) 2022-09-30

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113978405B (en) * 2021-11-08 2023-06-27 岚图汽车科技有限公司 Front bumper assembly mounting structure for protecting thighs of pedestrians

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1488987A1 (en) * 2002-03-28 2004-12-22 Daihatsu Motor Co., Ltd. Hood stopper structure
FR2858284A1 (en) * 2003-08-01 2005-02-04 Cera Shock absorber to protect pedestrians on impact with motor vehicle comprises hollow hemispherical plastic dome that is fitted under hood
EP1719691A1 (en) * 2005-05-03 2006-11-08 Faurecia Bloc Avant Front end for a vehicule with a bonnet stopper designed for absorbing a pedestrian impact
CN101020775A (en) * 2007-03-15 2007-08-22 复旦大学 High strength and high toughness modified poly-propylene material
CN101522480A (en) * 2006-08-07 2009-09-02 Gm全球科技运作股份有限公司 Front portion for a motor vehicle
CN101574954A (en) * 2008-05-07 2009-11-11 福特全球技术公司 Hood stop
CN101626924A (en) * 2006-11-23 2010-01-13 全耐塑料公司 Lining for the hood of an automotive vehicle and combinations thereof with certain parts of the vehicle
CN205854072U (en) * 2016-08-11 2017-01-04 安徽江淮汽车股份有限公司 A kind of pedestrian protection for automobile
CN206287967U (en) * 2015-10-06 2017-06-30 福特环球技术公司 Protective cover buffer, co-extrusion protective cover buffer and vehicle for vehicle

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1488987A1 (en) * 2002-03-28 2004-12-22 Daihatsu Motor Co., Ltd. Hood stopper structure
FR2858284A1 (en) * 2003-08-01 2005-02-04 Cera Shock absorber to protect pedestrians on impact with motor vehicle comprises hollow hemispherical plastic dome that is fitted under hood
EP1719691A1 (en) * 2005-05-03 2006-11-08 Faurecia Bloc Avant Front end for a vehicule with a bonnet stopper designed for absorbing a pedestrian impact
CN101522480A (en) * 2006-08-07 2009-09-02 Gm全球科技运作股份有限公司 Front portion for a motor vehicle
CN101626924A (en) * 2006-11-23 2010-01-13 全耐塑料公司 Lining for the hood of an automotive vehicle and combinations thereof with certain parts of the vehicle
CN101020775A (en) * 2007-03-15 2007-08-22 复旦大学 High strength and high toughness modified poly-propylene material
CN101574954A (en) * 2008-05-07 2009-11-11 福特全球技术公司 Hood stop
CN206287967U (en) * 2015-10-06 2017-06-30 福特环球技术公司 Protective cover buffer, co-extrusion protective cover buffer and vehicle for vehicle
CN205854072U (en) * 2016-08-11 2017-01-04 安徽江淮汽车股份有限公司 A kind of pedestrian protection for automobile

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