Content of the invention
One purpose of the disclosure is to provide a kind of bumper, and this bumper can improve the space of collision crumple.
Another object of the present disclosure is to provide a kind of vehicle, and this vehicle can slow down to driver's in high velocity impact
Injury.
According to an aspect of this disclosure, provide a kind of bumper, wherein, including bumper fixed part, and be arranged on
Bumper movable part on described bumper fixed part, described bumper movable part can retractedly protrude from institute along its length
State bumper fixed part.
Alternatively, the Material Strength of described bumper movable part is higher than the Material Strength of described bumper fixed part.
Alternatively, described bumper movable part is formed as closure frame structure, and described bumper fixed part is formed with ring
Connected in star, this closure frame structure is fitted in described annular groove.
Alternatively, the cross section of described closure frame structure is formed as U-shaped structure.
Alternatively, described bumper also includes the annular outer plaque for blocking described annular groove, this annular outer plaque
Inner surface be fixed in described closure frame structure.
Alternatively, described bumper also includes extensible member, and the telescopic end of this extensible member is fixed to described bumper movable part
On, to drive described bumper movable part to move with respect to described bumper fixed part.
Alternatively, described extensible member is hydraulically extensible part.
According to another aspect of the present disclosure, also provide a kind of vehicle, this vehicle includes the bumper of disclosure offer.
Alternatively, described vehicle also includes extensible member, and the telescopic end of this extensible member is fixed on described bumper movable part,
To drive described bumper movable part to move with respect to described bumper fixed part, described vehicle also includes and described extensible member phase
Controller even, when the engine starts, described controller controls the telescopic end of described extensible member to stretch out, when described electromotor stops
When only, described controller controls the telescopic end of described extensible member to retract.
Alternatively, described vehicle also includes the hydraulic system with hydraulically extensible part, and the telescopic end of this hydraulically extensible part is solid
Determine on described bumper movable part, to drive described bumper movable part to move with respect to described bumper fixed part, described
Vehicle also includes controller, and for detecting the velocity sensor of the vehicle wheel rotational speed of described vehicle, described hydraulic system sets
Be equipped with the hydraulic valve for controlling described hydraulically extensible part, described hydraulic valve and described velocity sensor respectively with described controller
Electrical connection.
By technique scheme, in vehicle take-offs, can be by bumper movable part along its length with respect to insurance
Thick stick fixed part stretches out, and prepares such that it is able to carry out anticollision in advance, when collision occurs, because bumper movable part is with respect to insurance
Thick stick fixed part stretches out, thus can extend knockout process, improves collision crumple space, and the retraction of bumper movable part and guarantor
The breakage of dangerous thick stick movable part can consume part Impact energy, such that it is able to protect the life security of occupant, impact protector
Can be good.In addition, the bumper that the disclosure provides is simple, easy to use.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Specific embodiment
It is described in detail below in conjunction with accompanying drawing specific embodiment of this disclosure.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explains the disclosure, is not limited to the disclosure.
In the disclosure, in the case of illustrating on the contrary, the noun of locality such as " up, down, left, right, before and after " of use leads to
It is often for normal vehicle operation state, " inside and outside " refers to the inner and outer of corresponding component profile.
As shown in Figure 1 and Figure 4, the disclosure provides a kind of bumper, and this bumper can include bumper fixed part 10, with
And it is arranged on bumper movable part 11 on bumper fixed part 10, bumper movable part 11 can be retractedly convex along its length
For bumper fixed part 10.
Wherein it is desired to explanation, " length direction " refers to the length direction of vehicle, and " width " mentioned below is
Refer to the width of vehicle.
So, in vehicle take-offs, can be by bumper movable part 11 along its length with respect to bumper fixed part 10
Stretch out, prepare such that it is able to carry out anticollision in advance, when collision occurs, because bumper movable part 11 is fixed with respect to bumper
Portion 10 stretches out, thus can extend knockout process, improves collision crumple space, and the retraction of bumper movable part 11 and insurance
The breakage of thick stick movable part 11 can consume part Impact energy, such that it is able to protect the life security of occupant, impact protector
Can be good.And when the vehicle is stopped, bumper movable part 11 can be retracted with respect to bumper fixed part 10 along its length, from
Without affecting the overall appearance of bumper.In addition, the bumper that the disclosure provides is simple, easy to use.
For improving the impact resistant capability of bumper, the Material Strength of bumper movable part 11 is higher than bumper fixed part 10
Material Strength.For example, the material of bumper movable part 11 can be aluminium alloy, steel or other suitable alloy materials, protects
The material of dangerous thick stick fixed part 10 can be plastic material.As such, it is possible to live with respect to the bumper that bumper fixed part 10 protrudes
Dynamic portion 11 has higher structural strength, and then enhances impact resistant capability.
For improving the structural strength of bumper movable part 11 further, as shown in figure 4, bumper movable part 11 is formed as closing
Close frame structure, bumper fixed part 10 is formed with annular groove 12, this closure frame structure is fitted in annular groove 12.
That is, bumper movable part 11 can be retracted with respect to bumper fixed part 10 along its length, until it is recessed to be fitted to annular completely
In groove 12.For example, this annular frame structure can be arranged with the grid 15 on wrap-around bumper, and then is adapted to the former of bumper
There is topology layout, fully and effectively utilize the installing space of bumper.So, because bumper movable part 11 is formed as closing
Frame structure, is more beneficial for resisting extraneous impulsive force, certainly in other modes of texturing, bumper movable part 11 can be with shape
Become laminated structure, or be formed as L bracket structure, or be formed as the structure of other suitable shapes, the disclosure is to this not
It is restricted, belong among the protection domain of the disclosure.
Wherein it is desired to explanation, according to the actual requirements, this closure frame structure can be formed as solid framework knot
It is also possible to be formed as hollow frame structure, the disclosure is not restricted structure to this, belongs among the protection domain of the disclosure.
In a kind of exemplary embodiment, as shown in figure 3, the cross section of closure frame structure is formed as U-shaped structure.So, both
Ensure that the enough structural strengths of bumper movable part 11, weight can be mitigated again.In other modes of texturing, closure frame
The cross section of structure is formed as C-shaped configuration.
For not affecting the overall appearance of bumper, as shown in Figure 1, Figure 2 and Figure 4, bumper is also included for blocking annular
The annular outer plaque 13 of groove 12, the inner surface of this annular outer plaque 13 is fixed in closure frame structure.I.e., in other words, ring
The inner surface of shape outer plaque 13 is fixed on the outer face of closure frame structure, and for example, the inner surface of annular outer plaque 13 is permissible
Bond on the outer face of closure frame structure.Therefore, in bumper movable part 11 with respect to bumper fixed part 10 along length
During direction is gradually retracted to annular groove 12, the synchronization of annular outer plaque 13 is followed bumper movable part 11 and is moved, until
The outer surface of annular outer plaque 13 and the outer surface flush of bumper fixed part 10, that is, complete the storage of bumper movable part 11
Process, so, does not interfere with the overall appearance of bumper.
Wherein, bumper movable part 11 can not by external force i.e. can achieve with respect to bumper fixed part 10 stretch out or
Retract, for example, bumper movable part 10 is connected with bumper fixed part 10 by extension sleeve structure.As such, it is possible to by
Outer pulling bumper movable part 10 is so that extension sleeve is in deployed condition, and then makes bumper movable part 11 with respect to guarantor
Dangerous thick stick fixed part 10 stretches out;And by inside propulsion bumper movable part 10 so that extension sleeve is in receiving state, and then make
Obtain bumper movable part 11 to retract with respect to bumper fixed part 10.
Conveniently realize the automatic telescopic that bumper fixed part 10 is with respect to bumper movable part 11, bumper also includes stretching
Part, the telescopic end of this extensible member is fixed on bumper movable part 11, to drive bumper movable part 11 solid with respect to bumper
Determine portion 10 mobile.For example, the fixing end of extensible member can be fixed on vehicle body (as chassis runner), and extensible member can be sheathed on
In chassis runner.Therefore, extensible member can drive bumper movable part 11 along its length may be used with respect to bumper fixed part 10
Protrude from bumper fixed part 10 with retracting, so, just can easily control bumper to live by controlling the flexible of extensible member
Dynamic portion 11 stretches out or retracts with respect to bumper fixed part 10.
In addition, for enabling bumper movable part 11 stably to stretch along its length with respect to bumper fixed part 10
Contracting, extensible member can include spaced apart first extensible member of width and the second extensible member along vehicle, and first is flexible
Part and the second extensible member can be arranged symmetrically with respect to the longitudinal center of vehicle.So, the first extensible member and the second extensible member can
Equably to undertake the weight of bumper movable part 11.
For example, extensible member can be the structure such as cylinder or electric expansion bar, for making full use of the existing resource of car load, stretches
Contracting part can be hydraulically extensible part 14, as shown in figure 3, extensible member can be hydraulic jack.So, drive the power of hydraulic jack
The machine oil that oil can have drawn from engine sump tank, such that it is able to simplify the structure of car load.
The disclosure is also claimed a kind of vehicle, and this vehicle includes bumper described above.
Realize the automatic telescopic that bumper movable part 11 is with respect to bumper fixed part 10 for convenience, vehicle also includes stretching
Part, for example, hydraulically extensible part, the telescopic end of this extensible member is fixed on bumper movable part 11, to drive bumper movable part
11 is mobile with respect to bumper fixed part 10, and vehicle also includes the controller being connected with extensible member, when the engine starts, controls
Device controls the telescopic end of extensible member to stretch out, and when an engine is stopped, controller controls the telescopic end of extensible member to retract.Wherein, send out
Motivation is in starting state and is in halted state, can be obtained by ECU, wherein it is desired to explanation, ECU's is complete
It is to be called Electronic Control Unit.In other words, ECU is the electronic control unit of car load, also known as " car running computer " or
" vehicle-mounted computer ".
Vehicle also includes the hydraulic system with hydraulically extensible part 14, and the telescopic end of this hydraulically extensible part 14 is fixed to insurance
On thick stick movable part 11, to drive bumper movable part 11 mobile with respect to bumper fixed part 10, vehicle also includes controller, with
And for detecting the velocity sensor of the vehicle wheel rotational speed of vehicle, hydraulic system is provided with the liquid for controlling hydraulically extensible part 14
Pressure valve, hydraulic valve and velocity sensor are electrically connected with the controller respectively.
So, when Negotiation speed sensor controller detects Vehicle Speed and is in overspeed condition, controller can
Stretched out with the telescopic end controlling hydraulically extensible part 14, prepare such that it is able to carry out anticollision in advance, when collision occurs, bumper is lived
Dynamic portion 11 and hydraulically extensible part 14 can consume part Impact energy, in advance such that it is able to preferably protect the person of passenger inside the vehicle
Safety, improves impact protector performance.It is in normally travel shape when Negotiation speed sensor controller detects Vehicle Speed
During state, controller can control the telescopic end of hydraulically extensible part 14 to retract, and so, does not interfere with the overall appearance of bumper.
Describe the preferred implementation of the disclosure above in association with accompanying drawing in detail, but, the disclosure is not limited to above-mentioned reality
Apply the detail in mode, in the range of the technology design of the disclosure, multiple letters can be carried out with technical scheme of this disclosure
Monotropic type, these simple variant belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to various can
The compound mode of energy no longer separately illustrates.
Additionally, combination in any can also be carried out between the various different embodiment of the disclosure, as long as it is without prejudice to this
Disclosed thought, it equally should be considered as disclosure disclosure of that.