CN205468913U - Automobile collision protection device - Google Patents
Automobile collision protection device Download PDFInfo
- Publication number
- CN205468913U CN205468913U CN201620265891.8U CN201620265891U CN205468913U CN 205468913 U CN205468913 U CN 205468913U CN 201620265891 U CN201620265891 U CN 201620265891U CN 205468913 U CN205468913 U CN 205468913U
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- China
- Prior art keywords
- bumper
- friction column
- housing
- automobile
- protection device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses an automobile collision protection device presss from both sides to establish the energy absorption buffer material body between bumper casing and bumper web beam, has offered the through -hole on the energy absorption buffer material body, is equipped with round cylindrical protrusion in bumper casing inboard, and circle cylindrical protrusion pastes on the top and has the sheetmetal, is equipped with the spring on bumper web beam, and the sheetmetal is installed equally on the spring top, when the bumper casing does not receive the extrusion, and two sheetmetal contactlesss, the vertical friction cylinder casing that is equipped with on bumper web beam is installed friction cylinder and is constituted current circuit with the gaseous structure that takes place, some firearm and two sheetmetals in the friction cylinder casing, when current circuit put through, the thermal decomposition by heating reaction took place for the gaseous structure that takes place, and oppression friction cylinder stretches out the friction cylinder casing and touches subaerially. The utility model discloses can transfer to ground with the kinetic energy of collision, rely on the friction cylinder and the friction on ground to dissolve the impact, this has very great meaning to whole automobile industry's innovation.
Description
Technical field
This utility model belongs to auto parts machinery field, particularly relates to a kind of automobile collision protection device.
Background technology
According to the regulation of China's relevant law, road traffic accident, refer to personal injury or the event of property loss that vehicle travelling on road because of mistake or is surprisingly caused in way.Constitute vehicle accident and typically be provided with following key element: being 1. that vehicle causes, vehicle includes motor vehicles and bicycle, does not has vehicle cannot constitute vehicle accident；2. on road occur, though road refer to highways and streets and unit compass of competency but allow society autos only place, the place passed through for the public including square, Public Parking etc.；Occur the most at the volley, refer to that vehicle is travelling or event in parking period, if vehicle is in complete halted state, occur during pedestrian actively removes to collide vehicle or rider gets on or off the bus squeeze, fall, the accident of injures and deaths, then be not belonging to vehicle accident；4. have the state of affairs to occur, referred to collision, roll, scratch, overturn, fall car, explode, a kind of phenomenon therein such as catch fire occurs；5. the reason causing the state of affairs is artificial, refers to that it is caused by the mistake of accident party (troublemaker) or accident behavior that the state of affairs occurs, if owing to the various natural disasters that people is irresistible cause, being not admitted to vehicle accident；6. must have the generation of Factual Damage, Factual Damage only refers to direct Factual Damage, and is material damage, including personal injury and property loss；Client's mental status is fault or has other unexpected factors, if client's mental status is in deliberately, is then not belonging to vehicle accident.
In vehicle accident, the mis action of the aspects such as driver violates the rules, negligence, operating technology can cause occurring vehicle collision scenarios, client is due to the reason in terms of psychology or physiology, correct observe and judge that extraneous things causes distraction, bradykinesia, show as looking around inconsiderate, measure not as good as or improper.The self-dependent subjective imagination of client is also had to judge affairs or the technology of too high estimation oneself, overconfidence in oneself, to front, left and right vehicle, pedestrian's form, road conditions etc., do not judge clear the most current.The most objectively due to vehicle, road, environmental condition (including weather, the hydrology, environment etc.) unfavorable factor, also vehicle accident can be caused, technology state of vehicle is bad, and especially brakes, steering, propons, back axle is faulty, checks the most in time, keeps in repair.
Automobile many uses energy-absorbing buffering material does shell now, and energy-absorbing buffering material uses foam metal, is a kind of with metal or metal alloy as matrix, comprises the light porous material of a large amount of hole.Foam metal has many excellent performances with the structure of its uniqueness, and it has the characteristic of structural material and functional material concurrently: as structural material, it has the feature of lightweight and high specific strength；As functional material, it is provided simultaneously with the multiple physical properties such as sound absorption, sound insulation, heat insulation (closed pore), heat radiation (perforate), fire-retardant, vibration damping, damping, shock resistance, electromagnetic wave shielding.Based on its premium properties, the most obtain a wide range of applications in fields such as auto industry, space flight and aviation, building industry and railway transportations at present, and the range of application of metal foaming material is just along with the gradually ripe of manufacturing process and people day by day deeply having expanded rapidly its performance study.
After vehicle collision, impact force can be delivered to chassis by automobile front/rear collision bumper, if impact velocity is relatively big, chassis insufficient strength, then chassis can deform, causes occupant injured.If during collision scenario, it is possible to impact force is transferred to ground, then automobile chassis will be protected, greatly reducing deformation quantity, the personnel in car will be protected.So, if can utility model one automobile collision protection device, when collision scenario; bumper can be by the momentum transfer of car to ground; this will be for being huge innovation from the point of view of whole automobile industry, and for ensureing the security of the lives and property of people, tool has very great significance.
Summary of the invention
To this end, this utility model aims to provide a kind of automobile collision protection device, this device is on the basis of improving vehicle bumper, it is possible to the impulsive force born by bumper is transferred on ground, thus protects chassis.
In order to achieve the above object, this utility model be the technical scheme is that a kind of automobile collision protection device, including bumper housing, bumper web beam, it is characterized in that: between described bumper housing and bumper web beam, be folded with energy-absorbing buffering material bodies, described energy-absorbing buffering material bodies offers through hole, correspond ground, it is provided with cylindrical protrusions at described bumper case inside, cylindrical protrusions top is pasted with sheet metal, described bumper web beam is provided with spring, spring top is provided with sheet metal equally, in the described cylindrical protrusions through hole put in described energy-absorbing buffering material bodies relative with spring, when described bumper housing is not squeezed, described in two panels, sheet metal does not contacts；Described bumper web beam is vertically provided with friction column housing, in friction column housing, friction column is installed；
Being provided with lighter, Hydrazoic acid,sodium salt, the gas recurring structure of filter composition at described friction column housing inner top, described lighter constitutes series circuit with described two panels sheet metal；When described series circuit is connected, described gas recurring structure generation decomposes is reacted, and described friction column is stretched out described friction column housing and contacted on ground.
Further, described bumper housing and car load shell are made of one, and are fixed on the framework of automobile；Described bumper web beam is connected on automobile chassis；Described bumper housing, energy-absorbing buffering material bodies, bumper web beam three use fastening bolt to be fixed together.
Further, described energy-absorbing buffering material bodies being provided with 3-4 described friction column housing, is equipped with gas recurring structure and friction column in each friction column housing, the lighter of each gas recurring structure all constitutes series circuit with sheet metal described in two panels.
Further, described lighter periphery bag sets Hydrazoic acid,sodium salt, and Hydrazoic acid,sodium salt periphery bag sets filter, and lighter one end is with two ignition wires of positive pole negative pole；Described ignition wire passes friction column housing, and wherein negative electrical wire is connected on the sheet metal on cylindrical protrusions top, and positive electrical wire is connected on the positive pole of automobile storage battery, and the negative pole of automobile storage battery is connected by electric wire with the sheet metal on spring top.
Further, described friction column bottom outer surface is enclosed with elastomeric material.
Further, described friction column be axially inside provided with multiple tiny steam vent, the number of described pore and size, design according to the atmospheric pressure value that actual vehicle weight and gas recurring structure produce, standard is that automobile can not be by jack-up after friction column ejects.
Further, described friction column housing bottom is welded with thin metal sealing sheet, the bearing capacity of described diaphragm seal is: can sustain the weight of gas recurring structure and friction column before described gas recurring structure starts, compression damage after described gas recurring structure starts.
Further, described device is installed on automobile head or afterbody.
Operation principle of the present utility model is: arrange energy-absorbing buffering material bodies between bumper housing and bumper web beam；Two sheet metals that can contact of horizontally set in bumper housing, bumper web beam, energy-absorbing buffering material bodies；Longitudinally disposed friction column housing on bumper web beam, the built-in gas generating unit of housing and friction column, the lighter of gas generating unit and two sheet metals, automobile storage batteries constitute series circuit.Utilizing energy-absorbing buffering material, during car crass, energy-absorbing buffering material can be extruded, utilizing this section of extruding away from discrete time, after the contact of two sheet metals, lighter is triggered igniting, Hydrazoic acid,sodium salt generation chemical change, generating sodium and nitrogen, sodium is gone out filter by filter blocks, nitrogen, friction column moment is ejected downwards by powerful air pressure, the bottom of friction column is closely adjacent to ground, forms bigger friction, by collisional energy--transfer to ground.
This utility model has the beneficial effect that
(1) this utility model utilizes the feature that energy-absorbing buffering material narrows after being squeezed, and two sheet metals, by being separated to contact, are equivalent to the switch of a circuit and close by reaching, finally realize collision and cause device to start；
(2) the car crass time is extremely short, utilize sensor and processor system can the very big extension fixture opening time, so utilizing gas recurring structure, impact kinetic energy, so that friction column ejects rapidly, is transferred to ground by the nitrogen that moment produces；
(3) bumper web beam be automobile the most firmly protect defence line; friction column housing is located on bumper web beam; realize friction column and impact force on bumper web beam is transferred to ground, protect automobile chassis to greatest extent and framework is not destroyed；
(4) collision free kinetic energy is delivered to automobile chassis and framework, causes chassis and frame deformation, threatens occupant's safety.
So; this automobile collision protection device is used for automobile; when collision scenario; bumper can be by the momentum transfer of two automobiles to ground; impact force is dissolved by the friction relying on friction column and ground; this is for the innovation of whole automobile industry, and for ensureing the security of the lives and property of people, tool has very great significance.
Accompanying drawing explanation
Accompanying drawing is only used for illustrating the purpose of specific embodiment, and is not considered as restriction of the present utility model, and in whole accompanying drawing, identical reference marks represents identical parts.
Fig. 1 is a kind of automobile collision protection device of this utility model installation site schematic diagram on automobile.
Fig. 2 is the overall assembling schematic diagram of a kind of automobile collision protection device of this utility model.
Fig. 3 is the friction pile whereabouts schematic diagram of a kind of automobile collision protection device of this utility model.
Fig. 4 be a kind of automobile collision protection device of this utility model disassemble schematic diagram.
Fig. 5 is the bumper shell structure schematic diagram of a kind of automobile collision protection device of this utility model.
Fig. 6 is the bumper web beam overall structure schematic diagram of a kind of automobile collision protection device of this utility model.
Fig. 7 is the bumper web beam partial structurtes schematic diagram of a kind of automobile collision protection device of this utility model.
Fig. 8 is the sectional view of a kind of automobile collision protection device of this utility model.
Fig. 9 is the gas recurring structure schematic diagram of a kind of automobile collision protection device of this utility model.
Label in figure: 1-bumper housing, 2-energy-absorbing buffering material bodies, 3-bumper web beam, 4-friction column housing, 5-friction column, 6-fastening bolt, 7-spring, 8-lighter, 9-Hydrazoic acid,sodium salt, 10-filter, 11-through hole, 12-cylindrical protrusions.
Detailed description of the invention
Below with reference to drawings and Examples, this utility model one automobile collision protection device is described in further detail.
A kind of automobile collision protection device that this utility model provides, mainly includes bumper housing 1, energy-absorbing buffering material 2, bumper web beam 3, friction column housing 4, friction column 5, fastening bolt 6, spring 7, lighter 8, Hydrazoic acid,sodium salt 9, filter 10.
Bumper housing 1 includes bumper housing before and after car, this utility model with front bumper housing in order to be introduced.As it is shown in figure 1, bumper housing 1 is general and integral automobile shell is made of one, it is fixed on the framework of automobile.
As shown in Figure 2 to 4, energy-absorbing buffering material bodies 2 is installed between bumper housing 1 and bumper web beam 3, along bumper length direction, energy-absorbing buffering material bodies 2 and bumper housing 1, bumper web beam 3 three are almost isometric laying, energy-absorbing buffering material bodies 2 is clipped between bumper housing 1 and bumper web beam 3, and energy-absorbing buffering material bodies 2 is also long arch.Fastening bolt 6 is used bumper web beam 3, energy-absorbing buffering material bodies 2, bumper housing 1 to be fixed together the most successively, preferably, one fastening bolt 6, the overall steadiness ensureing above-mentioned three's assembly are respectively set at two ends along bumper length direction.
Bumper web beam 3 is connected on automobile chassis；Along being longitudinally provided with friction column housing 4 on bumper web beam 3, friction column housing 4 is when bumper web beam 3 casts, and is integrally cast；Friction column 5 is arranged in friction column housing 4, lower end extended friction column housing 4.
As shown in Figure 4 to 7, the centre position in energy-absorbing buffering material bodies 2 offers a through hole 11；Corresponding ground, inside bumper housing 1, centre position is provided with cylindrical protrusions 12, and cylindrical protrusions 12 stretches in the through hole 11 energy-absorbing buffering material bodies 2 from front end, and protruding apex is pasted with sheet metal；Corresponding ground equally, inside bumper web beam 3, centre position is provided with spring 7, and spring 7 stretches in energy-absorbing buffering material bodies 2 through hole 11 from rear end, and spring 7 top is provided with sheet metal equally.As shown in Figure 8, under normal circumstances, the sheet metal on cylindrical protrusions 12 top and the sheet metal on spring 7 top have gap between the two, when bumper housing 1 is by object collision, extrudes energy-absorbing buffering material bodies 2, two sheet metal contacts, and spring 7 and are compressed.
As it is shown in figure 9, lighter 8, Hydrazoic acid,sodium salt 9, filter 10 form gas recurring structure, gas recurring structure is installed on friction column housing 4 inside cavity top.Lighter 8 is arranged on friction column housing 4 inside cavity top, lighter 8 one end is with two ignition wires of positive pole negative pole, ignition wire passes friction column housing 4, wherein negative electrical wire is connected on the sheet metal on cylindrical protrusions 12 top, positive electrical wire is connected on the positive pole of automobile storage battery, and the negative pole of automobile storage battery is connected by electric wire with the sheet metal on spring 7 top.
The peripheral bag of lighter 8 sets Hydrazoic acid,sodium salt 9, the peripheral bag of Hydrazoic acid,sodium salt 9 sets filter 10, after the sheet metal on two cylindrical protrusions 12 tops contacts with the sheet metal on spring 7 top, series circuit turns on, lighter 8 is triggered igniting, there is decomposes chemical change in Hydrazoic acid,sodium salt 9, generate sodium and nitrogen, sodium is stopped by filter 10, nitrogen goes out filter 10, friction column 5 moment is ejected downwards by powerful air pressure, the bottom of friction column 5 is in close contact with ground, form bigger friction, by collisional energy--transfer to ground, collision free kinetic energy is delivered to automobile chassis and framework, cause chassis and frame deformation, threaten occupant's safety.
Further, in order to realize overcoming impact wreckage, many transferring to, bumper web beam 3 can be provided with multiple at ground, such as 3～4 friction column housings 4, is equipped with gas recurring structure and friction column 5 in each friction column housing 4.
Further, friction column 5 bottom outer surface with elastomeric material wrap up, remaining material can be metal material, when friction column 5 bottom contacts with ground, elastomeric material can with increasing friction force, friction column 5 still some also in friction column housing 4.
Further, friction column 5 be axially inside provided with multiple tiny steam vent, the number of pore and size, to design according to the atmospheric pressure value that actual vehicle weight and gas recurring structure produce, premise is that automobile can not be by jack-up after friction column 5 ejects.Friction column 5 is after ejection; nitrogen in friction column housing 4 is slowly discharged along tiny pore; after the inner and outer air pressure of friction column housing 4 reaches balance; rest against manpower movement friction column; whole protection device is removed; otherwise the air pressure in friction column housing 4 is excessive, may injure dismounting personnel in demolishing process.
Further, under normal circumstances, friction column housing 4 bottom is by welding thin metal sealing sheet, diaphragm seal intensity is less, determine that diaphragm seal be enough in the weight that can bear gas recurring structure and friction column 5 at ordinary times by Experiments of Machanics, and after gas recurring structure starts, diaphragm seal can be destroyed by friction column 5 moment.
This automobile collision protection device, is not only installed on automobile head, and automobile tail uses same scheme to install; so two automobiles is when bumping against; no matter knocking into the back or head-on collision, all can be ejected friction column 5 by the bumper position of impact force, the impact force being subject to by two cars is dissolved respectively.
The above; it is only this utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; the change that can readily occur in or replacement, all should contain within protection domain of the present utility model.
Claims (8)
1. an automobile collision protection device, bumper housing (1), energy-absorbing buffering material bodies (2), bumper web beam (3), friction column housing (4), friction column (5), fastening bolt (6), spring (7), lighter (8), Hydrazoic acid,sodium salt (9), filter (10)；It is characterized in that:
It is folded with energy-absorbing buffering material bodies (2) between described bumper housing (1) and bumper web beam (3), described energy-absorbing buffering material bodies (2) offers horizontal direction through hole (11), correspond ground, it is provided with cylindrical protrusions (12) in described bumper housing (1) inner side, cylindrical protrusions (12) top is pasted with sheet metal, described bumper web beam (3) is provided with spring (7), spring (7) top is provided with sheet metal equally, in described cylindrical protrusions (12) through hole (11) put on described energy-absorbing buffering material bodies (2) relative with spring (7), when described bumper housing (1) is not squeezed, described in two panels, sheet metal does not contacts；
Described bumper web beam (3) is vertically provided with friction column housing (4), friction column (5) is installed in friction column housing (4)；At described friction column housing (4) inner top, lighter (8) is installed, gas recurring structure that Hydrazoic acid,sodium salt (9), filter (10) form, described lighter (8) constitutes series circuit with described two panels sheet metal and automobile storage battery；When described series circuit is connected, described gas recurring structure generation decomposes is reacted, and described friction column (5) is stretched out described friction column housing (4) and contacted on ground.
Automobile collision protection device the most according to claim 1, it is characterised in that: described bumper housing (1) and car load shell are made of one；Described bumper web beam (3) is connected on automobile chassis；Described bumper housing (1), energy-absorbing buffering material bodies (2), bumper web beam (3) three use fastening bolt (6) to be fixed together.
Automobile collision protection device the most according to claim 1; it is characterized in that: on described bumper web beam (3), be provided with 3-4 described friction column housing (4); being equipped with gas recurring structure and friction column (5) in each friction column housing (4), the lighter of each gas recurring structure all constitutes series circuit with sheet metal described in two panels.
Automobile collision protection device the most according to claim 1; it is characterized in that: described lighter periphery bag sets Hydrazoic acid,sodium salt; Hydrazoic acid,sodium salt periphery bag sets filter; lighter one end is with two ignition wires of positive pole negative pole; ignition wire passes friction column housing (4); wherein negative electrical wire is connected on the sheet metal on cylindrical protrusions (12) top; positive electrical wire is connected on the positive pole of automobile storage battery, and the negative pole of automobile storage battery is connected by electric wire with the sheet metal on spring (7) top.
Automobile collision protection device the most according to claim 1, it is characterised in that: described friction column bottom outer surface is enclosed with elastomeric material.
Automobile collision protection device the most according to claim 1 or 5; it is characterized in that: described friction column 5 be axially inside provided with multiple tiny steam vent; the number of described pore and size; design according to the atmospheric pressure value that actual vehicle weight and gas recurring structure produce; standard is that automobile can not be by jack-up after friction column ejects.
Automobile collision protection device the most according to claim 1; it is characterized in that: described friction column housing (4) bottom is welded with thin metal sealing sheet; the bearing capacity of described diaphragm seal is: can sustain the weight of gas recurring structure and friction column before described gas recurring structure starts, compression damage after described gas recurring structure starts.
Automobile collision protection device the most according to claim 1, it is characterised in that: described device is installed on automobile head or afterbody.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620265891.8U CN205468913U (en) | 2016-04-02 | 2016-04-02 | Automobile collision protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620265891.8U CN205468913U (en) | 2016-04-02 | 2016-04-02 | Automobile collision protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205468913U true CN205468913U (en) | 2016-08-17 |
Family
ID=56646253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620265891.8U Withdrawn - After Issue CN205468913U (en) | 2016-04-02 | 2016-04-02 | Automobile collision protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205468913U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835809A (en) * | 2016-04-02 | 2016-08-10 | 厦门精图信息技术有限公司 | Automobile collision protection device |
| CN111409435A (en) * | 2018-12-19 | 2020-07-14 | 郑州宇通客车股份有限公司 | Vehicle and anti-collision beam thereof |
-
2016
- 2016-04-02 CN CN201620265891.8U patent/CN205468913U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835809A (en) * | 2016-04-02 | 2016-08-10 | 厦门精图信息技术有限公司 | Automobile collision protection device |
| CN105835809B (en) * | 2016-04-02 | 2017-10-27 | 厦门精图信息技术有限公司 | A kind of automobile collision protection device |
| CN111409435A (en) * | 2018-12-19 | 2020-07-14 | 郑州宇通客车股份有限公司 | Vehicle and anti-collision beam thereof |
| CN111409435B (en) * | 2018-12-19 | 2022-08-12 | 宇通客车股份有限公司 | Vehicle and anti-collision beam thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160817 Effective date of abandoning: 20171027 |