CN216424328U - Collision energy absorption box for motor vehicle - Google Patents

Abstract

The utility model discloses a collision energy-absorbing box for a motor vehicle, which comprises an energy-absorbing box, the tail part of the energy-absorbing box is fixedly provided with a fixed plate, the fixed plate is provided with a fixed bolt, the fixed plate is fixedly connected with a vehicle body through the fixed bolt, the front end of the energy-absorbing box is fixedly provided with an energy-absorbing cover, the energy-absorbing box is internally and fixedly provided with a plurality of support columns in the vertical direction, every two support columns form a group, the energy-absorbing cover is arranged at the front end of the energy-absorbing box, when the energy-absorbing cover is impacted, the energy-absorbing box plays a certain stress buffering role, and simultaneously, in order to improve the collision capacity of the energy-absorbing box, the support columns and the cross bars are arranged in crushing guide grooves in the energy-absorbing box, the collision strength in the energy-absorbing box is improved by the support columns and the cross bars, the crushing baffle is arranged at the rear end of the support columns, the support columns and the cross bars are separated by the crushing baffle, the transverse rod is prevented from penetrating through the energy absorption box when being impacted.

Description

Collision energy absorption box for motor vehicle

Technical Field

The utility model relates to an energy-absorbing box field specifically is a collision energy-absorbing box for motor vehicle.

Background

Generally, an automotive impact beam includes a bellowed beam that resists impact and two side crash boxes called "crash boxes" (crashboxes), which are crash absorption modules that function to absorb energy by deforming when an impact occurs, the crash boxes being configured to be disposed between the beam and two side rails of a vehicle. For this purpose, the crash box is fastened to the cross member by assembly means, such as riveting, gluing, welding, etc. The aim is to maintain the integrity of the mechanical connection between the beam and the crash box during any type of crash, and therefore there is a need to improve crash capabilities of the crash box.

Disclosure of Invention

An object of the utility model is to provide a collision energy-absorbing box for motor vehicle to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a collision energy-absorbing box for motor vehicle, includes the energy-absorbing box, the afterbody fixed mounting of energy-absorbing box has the fixed plate, all be provided with fixing bolt on the fixed plate, the fixed plate passes through fixing bolt and automobile body fixed connection, the front end fixed mounting of energy-absorbing box has the energy-absorbing cover, the inside fixed mounting of energy-absorbing box has vertical direction fixed mounting has a plurality of support column, per two the support column is a set of, every group fixed mounting has the horizontal pole between the support column, a plurality of ulcerate shrinkage cavity has been seted up on the horizontal pole, the inside afterbody that just is located the support column of energy-absorbing box is provided with the baffle that contracts, the top and the bottom of the baffle that contracts respectively fixed mounting have the base, screw fixed connection between the top of base and energy-absorbing box and the bottom, the outside of energy-absorbing box has all seted up the shrinkage cavity all around.

Preferably, the energy absorption box is externally provided with a crumple rib, and the energy absorption box is of a multi-section structure and is formed by welding the connection part of the crumple rib.

Preferably, crushing guide pillars are fixedly mounted on two sides of the front end of the energy-absorbing cover respectively, and the crushing guide pillars are made of steel.

Preferably, the four corners of the front face of the energy-absorbing cover are respectively provided with a threaded hole, the energy-absorbing box is fixedly connected with the anti-collision beam through the threaded holes in the energy-absorbing cover in a threaded manner, and the transverse center of the energy-absorbing cover is provided with a crushing guide groove.

Preferably, the energy absorption box is internally provided with a crushing guide groove, the crushing guide groove of the energy absorption box and the crushing guide groove of the energy absorption cover are mutually connected in a penetrating manner, and the support column and the crumpling baffle are both positioned in the crushing guide groove of the energy absorption box.

Compared with the prior art, the beneficial effects of the utility model are that: through the front end at the energy-absorbing box installation energy-absorbing cover, receive when striking through the energy-absorbing cover, play certain atress cushioning effect, simultaneously in order to improve the crash capacity of energy-absorbing box, consequently at inside conquassation guide way internally mounted of energy-absorbing box support column and horizontal pole, utilize support column and horizontal pole to improve the inside collision strength of energy-absorbing box, and play the effect of energy-absorbing, the baffle of will bursting again is installed in the rear end of support column, carry out the separation through the baffle that bursts and contracts to support column and horizontal pole, when preventing that the horizontal pole from receiving the striking, run through the energy-absorbing box.

Drawings

Fig. 1 is a front schematic structural view of the present invention;

FIG. 2 is a schematic view of the inner structure of the energy-absorbing box of the present invention;

fig. 3 is a schematic structural view of the crumple baffle and the cross bar of the present invention.

In the figure: 1. an energy absorption box; 2. a support pillar; 3. a cross bar; 4. collapsing the hole; 5. a collapsing baffle; 6. collapsing ribs; 7. a fixing plate; 8. an energy absorbing cover; 9. a threaded hole; 10. crushing the guide pillar; 11. crushing the guide groove; 12. fixing the bolt; 13. a base.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a collision energy-absorbing box for a motor vehicle comprises an energy-absorbing box 1, wherein the tail part of the energy-absorbing box 1 is fixedly provided with a fixed plate 7, the fixed plate 7 is provided with a fixed bolt 12, the fixed plate 7 is fixedly connected with a vehicle body through the fixed bolt 12, the front end of the energy-absorbing box 1 is fixedly provided with an energy-absorbing cover 8, the front end of the energy-absorbing box 1 is subjected to stress dispersion through the energy-absorbing cover 8, the energy-absorbing box 1 is internally and fixedly provided with a plurality of support columns 2 in the vertical direction, every two support columns 2 are in a group, a cross rod 3 is fixedly arranged between every two support columns 2, the cross rod 3 is provided with a plurality of collapse holes 4, the tail part of the energy-absorbing box 1, which is positioned at the support columns 2, the top part and the bottom part of the collapse baffle 5 are respectively and fixedly provided with a base 13, the installation and fixation of the collapse baffle 5 are facilitated through the base 13, the base 13 is fixedly connected with the top part and the bottom part of the energy-absorbing box 1 through screws, the outside of energy-absorbing box 1 has all seted up the shrinkage cavity 4 of bursting all around, improves the energy-absorbing effect of energy-absorbing box 1 through setting up the shrinkage cavity 4 of bursting.

In this embodiment, the energy-absorbing box 1 is provided with the crumple rib 6 on the outside, and the energy-absorbing effect of the energy-absorbing box 1 after being impacted is improved by arranging the crumple rib 6, and the energy-absorbing box 1 is of a multi-section structure and is welded at the joint of the crumple rib 6.

Simultaneously, the front end both sides of energy-absorbing cover 8 are fixed mounting respectively has the conquassation guide pillar 10, carries out the dispersion of power to the impact that receives through setting up conquassation guide pillar 10, prevents that energy-absorbing cover 8 front end from directly receiving too big impact, and conquassation guide pillar 10 adopts steel to make.

Further, threaded holes 9 are respectively formed in four corners of the front face of the energy-absorbing cover 8, the front end of the energy-absorbing cover 8 is connected and fixed with the anti-collision beam through the threaded holes 9, the energy-absorbing box 1 is fixedly connected with the anti-collision beam through the threaded holes 9 in the energy-absorbing cover 8, and the crushing guide groove 11 is formed in the transverse center of the energy-absorbing cover 8.

Still further, the crushing guide groove 11 has been seted up to energy-absorbing box 1 inside, leads through setting up the impact that crushing guide groove 11 received energy-absorbing box 1, and the mutual through connection of the crushing guide groove 11 of energy-absorbing box 1 and energy-absorbing cover 8, support column 2 and the baffle 5 that contracts of collapsing all are located energy-absorbing box 1's crushing guide groove 11 inside.

When in use, in order to improve the impact resistance of the energy-absorbing box 1 and improve the energy-absorbing effect, the front end of the energy-absorbing box 1 is provided with the energy-absorbing cover 8, the energy-absorbing cover 8 and the energy-absorbing box 1 are both provided with the crushing guide grooves 11, the support columns 2 are vertically arranged in the crushing guide grooves 11, the cross rod 3 is arranged between every two support columns 2 and is connected with the support columns 2 through the combination of the cross rod 3, so that the impact resistance of the internal structure of the energy-absorbing box 1 is improved, meanwhile, in order to ensure that the support columns 2 and the cross rod 3 can absorb energy, the cross rod 3 is provided with the crushing holes 4, and in order to ensure that the crushing guide grooves 11 in the energy-absorbing box 1 have better guide pressure, the crushing baffles 5 are also arranged in the energy-absorbing box, the pressure in the crushing guide grooves 11 is dispersed through the crushing baffles 5, and the cross rod 3 is blocked by the crushing baffles 5, prevent that horizontal pole 3 from receiving fracture after the striking, the bullet that splashes is to the automobile body on, still welded the muscle 6 that contracts of ulcerating in the outside of crash box 1 simultaneously, it is better to make the energy-absorbing effect of crash box 1 through the muscle 6 that contracts of ulcerating, the crash box 1 of being convenient for receives the compression behind the impact, and the crash box 1 through this structure makes its energy-absorbing effect better, and is also firmer simultaneously to for its weight and volume of too much promotion.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The collision energy-absorbing box for the motor vehicle is characterized by comprising an energy-absorbing box (1), a fixing plate (7) is fixedly mounted at the tail of the energy-absorbing box (1), fixing bolts (12) are arranged on the fixing plate (7), the fixing plate (7) is fixedly connected with a vehicle body through the fixing bolts (12), an energy-absorbing cover (8) is fixedly mounted at the front end of the energy-absorbing box (1), a plurality of supporting columns (2) are fixedly mounted in the energy-absorbing box (1) in the vertical direction, every two supporting columns (2) form a group, a cross rod (3) is fixedly mounted between every two supporting columns (2), a plurality of collapse holes (4) are formed in the cross rod (3), a collapse baffle (5) is arranged at the tail of each supporting column (2) in the energy-absorbing box (1), and a base (13) is fixedly mounted at the top and the bottom of each collapse baffle (5), the energy absorption box is characterized in that the top and the bottom of the base (13) and the energy absorption box (1) are fixedly connected through screws, and collapse holes (4) are formed in the periphery of the outer portion of the energy absorption box (1).

2. The crash box for motor vehicles according to claim 1, characterized in that the crash box (1) is externally provided with a crush rib (6), and the crash box (1) has a multi-segment structure and the junction of the crush ribs (6) is formed by welding.

3. The crash box for motor vehicles according to claim 1, wherein the crush pillars (10) are fixedly mounted on both sides of the front end of the energy-absorbing hood (8), and the crush pillars (10) are made of steel.

4. The crash box for the motor vehicle according to claim 1, wherein the four corners of the front surface of the energy-absorbing cover (8) are respectively provided with a threaded hole (9), the energy-absorbing box (1) is fixedly connected with the anti-collision beam through the threaded hole (9) on the energy-absorbing cover (8) in a threaded manner, and the transverse center of the energy-absorbing cover (8) is provided with a crushing guide groove (11).

5. The crash box for the motor vehicle according to claim 1, characterized in that a crush guide groove (11) is formed in the crash box (1), the crush guide groove (11) of the crash box (1) and the crush guide groove (11) of the energy absorption cover (8) are connected in a penetrating manner, and the support pillar (2) and the crush baffle (5) are both located in the crush guide groove (11) of the crash box (1).

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