CN208278001U - A kind of collision prevention girders and automobile - Google Patents

Abstract

The utility model discloses a kind of collision prevention girders, including anticollision beam body, bumper mount and pedestrian protecting bracket, the anticollision beam body is hollow tubular structure, the bumper mount is symmetrically disposed in the anticollision beam body by symmetry axis of the middle line of the anticollision beam body, the bumper mount is arranged towards bumper, the bumper mount is for connecting bumper, the pedestrian protecting bracket is set to the top of the anticollision beam body, the both ends of the anticollision beam body are equipped with energy-absorption box, the free end of the energy-absorption box is equipped with mounting plate, the mounting plate is used to the anticollision beam body being mounted on chassis runner.It can be played a supporting role to the leg of pedestrian by the way that pedestrian protecting bracket is arranged in collision prevention girders body top, to reduce the injury to pedestrian lower leg, while be additionally provided with bumper mount, keep bumper installation more stable.The utility model also provides a kind of automobile using above-mentioned collision prevention girders.

Description

A kind of collision prevention girders and automobile

Technical field

The utility model relates to technical field of automobile parts, more particularly to a kind of collision prevention girders and automobile.

Background technique

With the rapid development of auto industry and the promotion of people's living standard, automobile has become people's trip, shipping Etc. indispensable one of the vehicles.

Collision prevention girders are a kind of devices for absorbing collision energy when vehicle is collided for mitigating, and collision prevention girders pass through bolt Form is connected on car body stringer, the external connection front bumper or rear bumper of collision prevention girders, front bumper and rear bumper one As be plastic shell structure, when colliding, the softer bumper of quality first with collide object and contact, touched when bumper is unable to satisfy It hits when requiring again by collision prevention girders contact-impact.

Existing collision prevention girders only have collision prevention function, can not reduce to pedestrian injury.205131178 U of grant number CN is public A kind of automobile collision preventing girder construction for protecting pedestrian shank has been opened, by setting anti-collision air bag, has realized the protection to pedestrian shank, But it actually is further connected with bumper outside collision prevention girders, needs bumper to damage rear anti-crash air bag ability and pedestrian contact completely, then prevents Hit that air bag is more difficult to play a role.

Utility model content

One purpose of the utility model is to propose a kind of preferable collision prevention girders of protection pedestrian's effect.

A kind of collision prevention girders, including anticollision beam body, bumper mount and pedestrian protecting bracket, the anticollision beam body For hollow tubular structure, the bumper mount is symmetrically disposed on institute as symmetry axis using the middle line of the anticollision beam body It states in anticollision beam body, the bumper mount is arranged towards bumper, and the bumper mount is for connecting Bumper is connect, the pedestrian protecting bracket is set to the top of the anticollision beam body, and the both ends of the anticollision beam body are equipped with Energy-absorption box, the free end of the energy-absorption box are equipped with mounting plate, and the mounting plate is used to the anticollision beam body being mounted on vehicle body On stringer.

According to the utility model proposes collision prevention girders, by collision prevention girders body top be arranged pedestrian protecting bracket can be to row The leg of people is played a supporting role, to reduce the injury to pedestrian lower leg, while being additionally provided with bumper mount, is made to protect Dangerous thick stick installation is more stable, prevents bumper from shaking, and when automobile collides, bumper mount can also provide one Fixed buffering.

In addition, can also have the following additional technical features: according to collision prevention girders provided by the utility model

Further, the energy-absorption box includes guide post and guide sleeve, and the guide sleeve is hollow tubular structure, described Guide post is slidably matched with the guide sleeve, and the guide post connects the collision prevention girders ontology, and the guide sleeve connects the peace Loading board, shape forming cavity between the guide post and the guide sleeve, the type is intracavitary to be equipped with spring, and the both ends of the spring connect respectively The guide post and the guide sleeve are connect, then the collision prevention girders can generate effectiveness in vibration suppression by energy-absorption box.

Further, the inner wall of the guide sleeve is equipped with stop collar, and the guide post corresponds to the stop collar equipped with ring Shape slot, the rigidity of the stop collar guide post is low, and the stop collar makes automobile guiding when sharp impacts not occurring Column and the guide sleeve are lock state, prevent from shaking when driving, when sharp impacts occur, the stop collar damage, Enable the guide post and the opposite sliding of the guide sleeve, damping effect is played to the collision prevention girders using the spring.

Further, the anticollision beam body is arcuate structure, and convex surface is to be arranged far from chassis runner.

Further, the bumper mount is U-shaped structure, and U-shaped mouth is arranged towards the anticollision beam body, makes The bumper mount installation insurance thick stick is more stable.

Further, it is L-shaped plate structure that the pedestrian protecting bracket, which is cross section, comprising two orthogonal L-square.

Further, a L-square of the pedestrian protecting bracket is fixedly connected with the anticollision beam body, another L-square stretches to the direction of body shear thick stick and height is higher than body shear thick stick, when bumper collides pedestrian lower leg, The leg of pedestrian can be inclined to vehicle body, and the pedestrian protecting bracket can play a supporting role to the leg of pedestrian at this time, reduce pedestrian The injury of leg.

Further, the pedestrian protecting bracket is symmetrical arranged by symmetry axis of the middle line of the anticollision beam body, makes this Collision prevention girders can reduce the injury of pedestrian lower leg from more points of impingement.

Further, the quantity of the bumper mount is 2~6, and more bumper mounts can make to protect Dangerous thick stick is installed more stable.

Further, the quantity of the pedestrian protecting bracket is 2~6.

Further, the collision prevention girders body interior is transversely provided with reinforcing rib, and the reinforcing rib can enhance the collision prevention girders The lateral stiffness of main body.

Another purpose of the utility model is to propose a kind of automobile using above-mentioned collision prevention girders.

The beneficial effects of the utility model are: can be to pedestrian's by the way that pedestrian protecting bracket is arranged in collision prevention girders body top Leg is played a supporting role, to reduce the injury to pedestrian lower leg, while being additionally provided with bumper mount, is made bumper It installs more stable；Energy-absorption box is designed as the composite structure of guide post, guide sleeve and spring, and is equipped with stop collar, sends out automobile not It is steady status when raw sharp impacts, stop collar can be damaged when sharp impacts occur, forms vibration-proof structure using spring.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the structural schematic diagram of the collision prevention girders of the utility model first embodiment；

Fig. 2 is the partial enlargement structural representation of A in Fig. 1；

Fig. 3 is the schematic cross-sectional view of energy-absorption box in Fig. 1；

In figure: 1- anticollision beam body, 2- bumper mount, 3- pedestrian protecting bracket, 4- reinforcing rib, 5- mounting plate, 6- energy-absorption box, 61- guide post, 62- guide sleeve, 63- stop collar, 64- spring.

Specific embodiment

It is practical to this with reference to the accompanying drawing to keep the purpose of this utility model, feature and advantage more obvious and easy to understand Novel specific embodiment is described in detail.Several embodiments of the utility model are given in attached drawing.But this is practical It is novel to realize in many different forms, however it is not limited to embodiment described herein.On the contrary, providing these implementations The purpose of example is to keep the disclosure to the utility model more thorough and comprehensive.

It should be noted that it can directly on the other element when element is referred to as " being fixedly arranged on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side ", "upper", "lower" and similar statement for illustrative purposes only, rather than the device or member of indication or suggestion meaning Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be Concrete meaning in the present invention.Term " and or " used herein includes one or more relevant listed items Any and all combinations.

Referring to Fig. 1, the first embodiment of the utility model proposes a kind of collision prevention girders, including anticollision beam body 1, bumper Mounting bracket 2 and pedestrian protecting bracket 3, the anticollision beam body 1 are hollow tubular structure, the bumper mount 2 It is symmetrically disposed in the anticollision beam body 1 by symmetry axis of the middle line of the anticollision beam body 1, the bumper mount 2 are arranged towards bumper, and for connecting bumper, the pedestrian protecting bracket 3 is set to the bumper mount 2 The both ends on the top of the anticollision beam body 1, the anticollision beam body 1 are equipped with energy-absorption box 6, and the free end of the energy-absorption box 6 is set There is mounting plate 5, the mounting plate 5 is used to the anticollision beam body 1 being mounted on chassis runner.

It can be played a supporting role to the leg of pedestrian by the way that pedestrian protecting bracket 3 is arranged on 1 top of anticollision beam body, thus The injury to pedestrian lower leg is reduced, while being additionally provided with bumper mount 2, keeps bumper installation more stable, prevents from insuring Thick stick shakes, and when automobile collides, bumper mount 2 can also provide certain buffering.

As shown in Fig. 2, 1 inner transverse of anticollision beam body is equipped with reinforcing rib 4, the reinforcing rib 4 can enhance described anti- Hit the lateral stiffness of beam body 1.

As shown in figure 3, the energy-absorption box 6 includes guide post 61 and guide sleeve 62, the guide sleeve 62 is hollow tubulose Structure, the guide post 61 are slidably matched with the guide sleeve 62, and the guide post 61 connects the collision prevention girders ontology 1, described Guide sleeve 62 connects the mounting plate 5, and shape forming cavity between the guide post 61 and the guide sleeve 62, the type is intracavitary to be equipped with bullet Spring 64, the both ends of the spring 64 are separately connected the guide post 61 and the guide sleeve 62, then the collision prevention girders can pass through energy-absorbing Box 6 generates effectiveness in vibration suppression.

In the present embodiment, the inner wall of the guide sleeve 62 is equipped with stop collar 63, the corresponding limit of the guide post 61 Position ring 63 is equipped with annular groove, and the rigidity of the stop collar 63 guide post 61 is low, then the stop collar 63 sends out automobile not The guide post 61 and the guide sleeve 62 are lock state when raw sharp impacts, prevent from shaking when driving, when automobile is sent out When raw sharp impacts, the stop collar 63 is damaged, and enables the guide post 61 and the guide sleeve 62 is opposite slides, using described Spring 64 plays damping effect to the collision prevention girders.

The anticollision beam body 1 is arcuate structure, and convex surface is to be arranged far from chassis runner, is made when the anticollision beam body 1 by can generate certain buffering effect when pressure.

The bumper mount 2 is U-shaped structure, and U-shaped mouth is arranged towards the anticollision beam body 1, makes the guarantor Dangerous 2 installation insurance thick stick of thick stick mounting bracket is more stable.

It is L-shaped plate structure that the pedestrian protecting bracket 3, which is cross section, comprising two orthogonal L-squares, One L-square is fixedly connected with the anticollision beam body 1, another L-square stretches to the direction of body shear thick stick and height is high In body shear thick stick, when bumper collides pedestrian lower leg, the leg of pedestrian can be inclined to vehicle body, and the pedestrian protects at this time Shield bracket 3 can play a supporting role to the leg of pedestrian, reduce the injury of pedestrian lower leg.

In the present embodiment, the quantity of the pedestrian protecting bracket 3 is 2, in other embodiments the pedestrian protecting The quantity of bracket 3 may be 4~6.

The pedestrian protecting bracket 3 is symmetrical arranged by symmetry axis of the middle line of the anticollision beam body 1, enables the collision prevention girders The injury of pedestrian lower leg is reduced from more points of impingement.

In the present embodiment, the quantity of the bumper mount 2 is 2, in other embodiments the bumper The quantity of mounting bracket 2 may be 4~6, and it is more stable that more bumper mounts 2 can be such that bumper installs.

The second embodiment of the utility model proposes a kind of automobile, which includes at least the anticollision in first embodiment Beam can protect pedestrian lower leg using the automobile of the collision prevention girders, and can provide certain effectiveness in vibration suppression.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiment or examples.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of collision prevention girders, which is characterized in that described including anticollision beam body, bumper mount and pedestrian protecting bracket Anticollision beam body is hollow tubular structure, and the bumper mount is using the middle line of the anticollision beam body as symmetry axis pair Title is set in the anticollision beam body, and the bumper mount is arranged towards bumper, the bumper installation For bracket for connecting bumper, the pedestrian protecting bracket is set to the top of the anticollision beam body, the anticollision beam body Both ends be equipped with energy-absorption box, the free end of the energy-absorption box is equipped with mounting plate, and the mounting plate is used for the anticollision beam body It is mounted on chassis runner.

2. collision prevention girders according to claim 1, which is characterized in that the energy-absorption box includes guide post and guide sleeve, described Guide sleeve is hollow tubular structure, and the guide post is slidably matched with the guide sleeve, and the guide post connects the anticollision Beam ontology, the guide sleeve connect the mounting plate, and shape forming cavity between the guide post and the guide sleeve, the type is intracavitary to be set There is spring, the both ends of the spring are separately connected the guide post and the guide sleeve.

3. collision prevention girders according to claim 2, which is characterized in that the inner wall of the guide sleeve is equipped with stop collar, described Guide post corresponds to the stop collar equipped with annular groove, and the rigidity of the stop collar guide post is low.

4. collision prevention girders according to claim 1, which is characterized in that the anticollision beam body is arcuate structure, and convex surface is It is arranged far from chassis runner.

5. collision prevention girders according to claim 1, which is characterized in that the bumper mount is U-shaped structure, U-shaped Mouth is arranged towards the anticollision beam body, and the quantity of the bumper mount is 2~6.

6. collision prevention girders according to claim 1, which is characterized in that the pedestrian protecting bracket is that cross section is L-shaped plate Shape structure.

7. collision prevention girders according to claim 6, which is characterized in that a L-square of the pedestrian protecting bracket with it is described Anticollision beam body is fixedly connected, another L-square stretches to the direction of body shear thick stick and height is higher than body shear thick stick.

8. collision prevention girders according to claim 6, which is characterized in that the pedestrian protecting bracket is with the anticollision beam body Middle line is symmetrical arranged for symmetry axis, and the quantity of the pedestrian protecting bracket is 2~6.

9. collision prevention girders according to claim 1, which is characterized in that the collision prevention girders body interior is transversely provided with reinforcing rib.

10. a kind of automobile, which is characterized in that including collision prevention girders described in claim 1 to 9 any one.