CN210591760U - Front lower protection structure and device - Google Patents

Abstract

The utility model discloses a preceding protective structure and device down. The front lower protective structure comprises an anti-collision beam and a transition support, and the anti-collision beam extends along the transverse direction; the transition bracket is detachably connected with the anti-collision beam; be equipped with first installation department on the transition support, the transition support is connected with the anticollision roof beam through first installation department, and first installation department is equipped with a plurality ofly, and a plurality of first installation departments are located respectively two at least noncoplanar on the transition support on the surface, in order be used for respectively with the anticollision roof beam is connected. Through setting up transition support and anticollision roof beam to be connected for dismantling to change transition support or anticollision roof beam, in order to practice thrift the cost, and the installation department sets up on a plurality of surfaces that are not coplane, so that transition support forms the multiangular support with being connected of anticollision roof beam, makes the installation more firm, can improve the bearing capacity, also can improve the impact resistance of anticollision roof beam simultaneously.

Description

Front lower protection structure and device

Technical Field

The utility model relates to an automobile body structure technical field, concretely relates to preceding protective structure and device down.

Background

At present, in the traffic environment with the mixed traffic mode as the main mode in China, many second-level roads and rural roads are not provided with central isolation belts, and vicious accidents that small vehicles enter the front lower part of a commercial vehicle easily are caused by the fact that small vehicles pass through in a reverse direction. In order to prevent the small-sized vehicle from entering the front lower part of the commercial vehicle, China sets a mandatory regulation of GB26511-2011 'protection requirement for the front lower part of the commercial vehicle', and the regulation specifies the design requirement and the collision test method of a front lower protection structure. However, the existing front lower protective structure generally has high cost, complex structure and poor impact resistance.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a main objective provides a preceding protective structure and device down, aims at improving current preceding protective structure's intensity down.

In order to achieve the above object, the utility model provides a preceding protective structure down, include:

the anti-collision beam extends along the transverse direction; and the number of the first and second groups,

the transition bracket is detachably connected with the anti-collision beam;

wherein, the transition support has a plurality of installation faces, and is a plurality of the contained angle setting is personally submitted in the installation, be equipped with a plurality of first installation departments on the transition support, it is a plurality of first installation department corresponds respectively to locate a plurality of on the installation face, it is a plurality of first installation department in order to be used for respectively with the anticollision roof beam is connected.

Optionally, the anti-collision beam has two fitting surfaces arranged adjacently at an included angle, each fitting surface is provided with a first mounting fitting part, the transition support has two mounting surfaces arranged adjacently at an included angle, the mounting surfaces are attached to the fitting surfaces, and the first mounting parts are respectively fitted to the first mounting fitting parts; the two matching surfaces are respectively arranged as a first surface and a second surface.

Optionally, the transition support includes first connecting plate, locates first connecting plate is relative both ends that set up and is the first mounting panel and the second mounting panel that the contained angle set up and with first connecting plate is the second connecting plate that relative interval set up, first connecting plate is the setting of unbuckling, with it is two to form on one side the installation face, first mounting panel the second mounting panel first connecting plate and the second connecting plate encloses jointly and closes the transition support that forms box body form.

Optionally, the box-shaped transition support has a plurality of outer walls, and at least one of the outer walls is provided in an openwork manner.

Optionally, the first mounting portion and the first mounting matching portion are respectively threaded holes correspondingly arranged, and the first mounting portion and the first mounting matching portion are connected through a bolt; and/or the presence of a gas in the gas,

anticollision roof beam with still be equipped with the reinforcement between the transition support, the reinforcement include respectively with the cooperation is personally submitted the first reinforcing plate and the second reinforcing plate that the laminating set up, certainly first reinforcing plate to the normal direction of first surface extends the third reinforcing plate that sets up and certainly the second reinforcing plate to the normal direction of second surface extends the fourth reinforcing plate that sets up, first installation cooperation portion is located respectively the third reinforcing plate with on the fourth reinforcing plate.

The utility model also provides a preceding protector down, include:

the transition bracket of the front lower protective structure is provided with a second mounting part; and the number of the first and second groups,

the connecting bracket is provided with a second mounting matching part and a plurality of third mounting parts, the second mounting part and the second mounting matching part are matched with each other so as to fix the connecting bracket on the front lower protective structure, the plurality of third mounting parts are respectively arranged on two side surfaces, which are adjacently arranged at included angles, of the connecting bracket, and the plurality of third mounting parts are used for being connected with a vehicle body;

wherein, preceding protective structure includes down:

the anti-collision beam extends along the transverse direction; and the number of the first and second groups,

the transition bracket is detachably connected with the anti-collision beam;

the transition support is provided with a plurality of mounting surfaces, the mounting surfaces are not coplanar, the transition support is provided with a plurality of first mounting parts, and the first mounting parts are correspondingly arranged on the mounting surfaces respectively.

Optionally, the linking bridge is including being first backup pad and the second backup pad that the contained angle set up, first backup pad sets up along upper and lower to extending, the second backup pad certainly first backup pad sets up, and is a plurality of outwards transversely extending third installation department is located respectively first backup pad with on the second backup pad, the third installation department with second installation cooperation portion is located respectively first backup pad is along the decurrent both ends from top to bottom.

Optionally, the second installation cooperation portion is provided as a plurality of through holes arranged at intervals, and the second installation portion is provided as a plurality of threaded holes arranged correspondingly to the through holes.

Optionally, the plurality of through holes are arranged along at least two lines.

Optionally, the third mounting portion is a plurality of mounting holes arranged at intervals; and/or the presence of a gas in the gas,

and a plurality of reinforcing ribs are arranged at the included angle between the first supporting plate and the second supporting plate.

The utility model provides an among the technical scheme, through setting up transition support and crashproof roof beam to be connected for dismantling to change transition support or crashproof roof beam, with the saving cost, and set up the installation department on a plurality of not coplaner surfaces, so that transition support forms the multiangular support with being connected of crashproof roof beam, and it is more firm to make the installation, can improve the bearing capacity, also can improve the impact resistance force of crashproof roof beam simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a front lower protection device provided by the present invention;

FIG. 2 is an exploded view of the front lower guard of FIG. 1;

FIG. 3 is a schematic structural view of the reinforcement member of FIG. 1;

FIG. 4 is a schematic structural view of the transition support of FIG. 1;

fig. 5 is a schematic structural view of the connection bracket of fig. 1.

The reference numbers illustrate:

the object of the present invention is to provide a novel and advantageous solution for the above mentioned problems.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if the present invention relates to a directional indication, the directional indication is only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

At present, in the traffic environment with the mixed traffic mode as the main mode in China, many second-level roads and rural roads are not provided with central isolation belts, and vicious accidents that small vehicles enter the front lower part of a commercial vehicle easily are caused by the fact that small vehicles pass through in a reverse direction. In order to prevent the small-sized vehicle from entering the front lower part of the commercial vehicle, China sets a mandatory regulation of GB26511-2011 'protection requirement for the front lower part of the commercial vehicle', and the regulation specifies the design requirement and the collision test method of a front lower protection structure. However, the existing front lower protective structure can only be adapted to one vehicle type, and the whole front lower protective structure needs to be replaced when one vehicle type is replaced, so that the universality is poor, and the resources are seriously wasted.

In view of this, the present invention provides a front lower protection structure and device, and fig. 1 to 5 illustrate an embodiment of a front lower protection device provided by the present invention.

Referring to fig. 1 to 2, in the present embodiment, the front lower protective structure includes an impact beam 1 and a transition bracket 2, where the impact beam 1 extends along a transverse direction; the transition support 2 is detachably connected with the anti-collision beam 1; wherein, transition support 2 has a plurality of installation faces, and is a plurality of the contained angle setting is personally submitted to the installation, and is a plurality of the installation face is not coplane, be equipped with a plurality of first installation departments 25 on transition support 2, it is a plurality of first installation department 25 corresponds respectively to locate a plurality of on the installation face, it is a plurality of first installation department 25 in order to be used for respectively with anticollision roof beam 1 is connected.

The utility model provides an among the technical scheme, through setting up transition support 2 and crashproof roof beam 1 into dismantling and being connected to in change transition support 2 or crashproof roof beam 1, with practice thrift the cost, and set up the installation department on a plurality of not coplaner surfaces, so that transition support 2 forms the multi-angle with crashproof roof beam 1's being connected and supports, and it is more firm to make the installation, can improve the bearing capacity, also can improve crashproof roof beam 1's impact resistance simultaneously.

In this embodiment, the anti-collision beam 1 has two mating surfaces arranged adjacently at an included angle, each mating surface is provided with a first mounting mating portion 45, the transition bracket 2 has two mounting surfaces arranged adjacently at an included angle, the mounting surfaces are attached to the mating surfaces, and the first mounting portions 25 are respectively matched with the first mounting mating portions 45; the two matching surfaces are respectively arranged as a first surface and a second surface, so that the anti-collision beam 1 and the transition support 2 are connected and installed through two surfaces with included angles, and fixation is firmer.

Further, please refer to fig. 4, the transition bracket 2 includes a first connection plate 23, a first mounting plate 25 and a second mounting plate 26 disposed at two opposite ends of the first connection plate 23 and disposed at an included angle, and a second connection plate 24 disposed at an opposite interval from the first connection plate 23, the first connection plate 23 is disposed in a bending manner to form two mounting surfaces at one side thereof, the first mounting plate 25, the second mounting plate 26, the first connection plate 23, and the second connection plate 24 together enclose a box-shaped transition bracket, and the box-shaped transition bracket 2 makes the strength of the transition bracket 2 better and the impact resistance more reliable.

Further, in this embodiment, the box-shaped transition bracket 2 has a plurality of outer walls, at least one of the outer walls is provided in a hollow manner, so as to ensure the connection strength of the transition bracket 2 and make the transition bracket 2 lighter in weight, and the specific shape of the hollow is not specifically limited herein, as long as the arrangement form that can ensure the strength of the transition bracket 2 is within the protection scope of the present application.

In this embodiment, the first installation portion 25 and the first installation matching portion 45 are respectively threaded holes which are correspondingly arranged, and the first installation portion 25 and the first installation matching portion 45 are connected through bolts and are simple and easy to detach. Obviously, the connection manner of the first mounting portion 25 and the first mounting matching portion 45 is not limited to the above one, and may also be a stud and a screw hole separately disposed on the first mounting portion 25 and the first mounting matching portion 45, and the connection manner has a plurality of manners, which are not repeated herein.

In this embodiment, please refer to fig. 3, the first mounting matching portion 45 may be directly disposed on the impact beam 1, but in order to improve the strength of the impact beam 1, a reinforcing plate is further disposed between the impact beam 1 and the transition bracket 2, the reinforcing plate includes a first reinforcing plate 41 and a first reinforcing plate 42 respectively disposed in contact with the matching surface, a third reinforcing plate 43 extending from the first reinforcing plate 41 to the normal direction of the first surface, and a fourth reinforcing plate 44 extending from the first reinforcing plate 42 to the normal direction of the second surface, the first mounting matching portion 45 is disposed on the third reinforcing plate 43 and the fourth reinforcing plate 44 respectively, and the reinforcing plates are welded on the matching surface of the impact beam 1, so as to effectively improve the connection strength.

The application provides a preceding protector 100 down includes protective structure and linking bridge 3 under preceding, has protective structure's all technical characteristics under preceding, also possesses all beneficial effects that technical characteristics brought, be equipped with second installation cooperation portion 33 and third installation department 34 on linking bridge 3, second installation department 26 with second installation cooperation portion 33 mutually supports, in order to incite somebody to action linking bridge 3 is fixed in on the protective structure under preceding, third installation department 34 is equipped with a plurality ofly, in order to locate respectively on being two sides that the contained angle borders on setting up on linking bridge 3, a plurality of third installation department 34 is used for with the automobile body coupling, in this application, preceding protector 100 is mainly used for installing to the frame crossbeam of car under, preceding protector 100 down can adapt in multiple motorcycle type, and the distance is different between the frame crossbeam of different motorcycle types and ground, only the connecting bracket 3 needs to be replaced, and the whole front lower protection device 100 does not need to be replaced, so that the purpose of sharing the front lower protection device on different vehicle types is achieved, and waste of production resources and design resources is reduced.

In this embodiment, please refer to fig. 5, the connecting bracket 3 includes a first supporting plate 31 and a second supporting plate 32 disposed at an included angle, the first supporting plate 31 extends vertically, the second supporting plate 32 extends laterally from the first supporting plate 31, the plurality of third mounting portions 34 are respectively disposed on the first supporting plate 31 and the second supporting plate 32, the third mounting portions 34 and the second mounting matching portions 33 are respectively disposed at two ends of the first supporting plate 31 along the vertical direction, and are also mounted on the vehicle body with two faces, so that the connection is more reliable.

Further, the second mounting fitting portion 33 is provided with a plurality of through holes arranged at intervals, and the second mounting portion 26 is provided with a plurality of threaded holes correspondingly arranged in the through holes so as to be connected through bolts.

Further, a plurality of through-holes are arranged along two lines at least, can be triangle-shaped setting, also can be the polygon setting to it is more stable to make the installation.

In this embodiment, the third mounting portion 34 is a plurality of mounting holes disposed at intervals;

in this embodiment, a plurality of reinforcing ribs 35 are disposed at an included angle between the first support plate 31 and the second support plate 32, and the plurality of reinforcing ribs 35 are disposed at intervals to improve the supporting strength of the connecting bracket 3.

In this embodiment, the reinforcing members 4 are transversely provided with two reinforcing members at opposite intervals, and the transition bracket 2 and the connecting bracket 3 are correspondingly provided with two reinforcing members, so that the anti-collision beam 1 is connected with the frame through two portions, and the connection is more stable and reliable.

In this embodiment, the material of the anti-collision beam 1 is common steel, and both ends are bent. Compared with the sheet metal bent anti-collision beam 1, the processing technology is simple, the weight is light, the fuel consumption increased on the dead weight of the vehicle is slightly influenced, and the vehicle maintenance cost can not be increased basically. The bracket adopts a casting form, has low production cost and excellent self-corrosion resistance. The utility model discloses an increase on commercial car behind the 1 device of anticollision roof beam, compare with traditional commercial car, when the vehicle runs into head-on collision, the risk of longeron lower part that the reduction that anticollision roof beam 1 device can furthest is drawn into the dolly into the truck is showing the passenger casualty rate that reduces in the middle of the minicar brill commercial car front lower part accident to the safety of personnel and property in the better guarantee car.

The above is only the optional embodiment of the present invention, and not therefore the limit to the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the patent protection scope of the present invention.

Claims (10)

1. A front lower protective structure, comprising:

the anti-collision beam extends along the transverse direction; and the number of the first and second groups,

the transition bracket is detachably connected with the anti-collision beam;

wherein, the transition support has a plurality of installation faces, and is a plurality of the contained angle setting is personally submitted in the installation, be equipped with a plurality of first installation departments on the transition support, it is a plurality of first installation department corresponds respectively to locate a plurality of on the installation face, it is a plurality of first installation department in order to be used for respectively with the anticollision roof beam is connected.

2. The under-front protection structure according to claim 1, wherein the impact beam has two mating faces arranged adjacently at an included angle, each mating face is provided with a first mounting mating portion, the transition bracket has two mounting faces arranged adjacently at an included angle, the mounting faces are attached to the mating faces, and the first mounting portions are respectively matched with the first mounting mating portions; the two matching surfaces are respectively arranged as a first surface and a second surface.

3. The under-front protective structure according to claim 2, wherein said transition bracket includes a first connecting plate, a first mounting plate and a second mounting plate disposed at opposite ends of said first connecting plate and disposed at an included angle, and a second connecting plate disposed at an opposite interval from said first connecting plate, said first connecting plate being disposed in a bent-apart manner to form two of said mounting surfaces at one side thereof, said first mounting plate, said second mounting plate, said first connecting plate and said second connecting plate collectively enclosing a box-shaped transition bracket.

4. The under-front protective structure according to claim 3, wherein the box-like transition support has a plurality of outer walls, at least one of the outer walls being openworked.

5. The under-front guarding structure according to claim 2, wherein said first mounting portion and said first mounting engagement portion are respectively threaded holes correspondingly disposed, said first mounting portion and said first mounting engagement portion being connected by a bolt; and/or the presence of a gas in the gas,

anticollision roof beam with still be equipped with the reinforcement between the transition support, the reinforcement include respectively with the cooperation is personally submitted the first reinforcing plate and the second reinforcing plate that the laminating set up, certainly first reinforcing plate to the normal direction of first surface extends the third reinforcing plate that sets up and certainly the second reinforcing plate to the normal direction of second surface extends the fourth reinforcing plate that sets up, first installation cooperation portion is located respectively the third reinforcing plate with on the fourth reinforcing plate.

6. A front under shield device, comprising:

the front lower guard structure according to any one of claims 1 to 5, wherein a second mounting portion is provided on the transition bracket of the front lower guard structure; and the number of the first and second groups,

the linking bridge, be equipped with second installation cooperation portion and third installation department on the linking bridge, the second installation department with second installation cooperation portion mutually supports, in order to incite somebody to action the linking bridge is fixed in down preceding protective structure is last, the third installation department is equipped with a plurality ofly, in order to locate respectively on being two sides that the contained angle borders on the setting on the linking bridge, it is a plurality of the third installation department is used for being connected with the automobile body.

7. The under-front protector according to claim 6, wherein the connecting bracket includes a first supporting plate and a second supporting plate disposed at an included angle, the first supporting plate extends upward and downward, the second supporting plate extends outward and laterally from the first supporting plate, the third mounting portions are disposed on the first supporting plate and the second supporting plate, and the third mounting portions and the second mounting engaging portions are disposed at two ends of the first supporting plate along the upward and downward directions.

8. The under-front guard according to claim 7, wherein the second mounting engagement portion is provided as a plurality of spaced-apart through-holes, and the second mounting portion is provided as a plurality of threaded holes corresponding to the plurality of through-holes.

9. The under-front guard according to claim 8, wherein a plurality of said through-holes are arranged along at least two lines.

10. The under-front guard of claim 7, wherein the third mounting portion is a plurality of spaced mounting holes; and/or the presence of a gas in the gas,

and a plurality of reinforcing ribs are arranged at the included angle between the first supporting plate and the second supporting plate.

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