CN219007771U

CN219007771U - Improved vehicle anti-collision energy-absorbing device capable of adapting to inclined collision

Info

Publication number: CN219007771U
Application number: CN202220789473.4U
Authority: CN
Inventors: 王嘉译; 杨帆
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2023-05-12
Anticipated expiration: 2032-04-07

Abstract

The utility model provides an improved vehicle anti-collision energy-absorbing device capable of adapting to inclined collision, belongs to the technical field of vehicle safety protection, and solves the problems of poor material utilization and limited energy-absorbing performance caused by integral bending of a traditional energy-absorbing device. The improved vehicle anti-collision energy absorbing device capable of adapting to inclined collision comprises a variable-depth groove pipe and a mounting plate, wherein the variable-depth groove pipe and the mounting plate are arranged between a bumper and a longitudinal beam of a vehicle body, the mounting plate is fixed on one side of the variable-depth groove pipe, the length direction of the variable-depth groove pipe is consistent with the length direction of the vehicle body, the cross section of the variable-depth groove pipe is circular, a plurality of outer wall grooves are formed in the outer wall of the variable-depth groove pipe, and a plurality of inner wall grooves are formed in the inner wall of the variable-depth groove pipe; the utility model has the advantages of playing a good role in absorbing energy in both inclined collision and non-inclined collision, and protecting the outer wall of the device in light collision.

Description

Improved vehicle anti-collision energy-absorbing device capable of adapting to inclined collision

Technical Field

The utility model belongs to the technical field of vehicle safety protection, relates to a vehicle anti-collision energy-absorbing device, and in particular relates to an improved vehicle anti-collision energy-absorbing device capable of adapting to inclined collision.

Background

With the rapid development of the automotive industry in China, the safety of automobiles has been increasingly emphasized, and when vehicles strike forward obstacles at a higher speed, the vehicles are subjected to great impulse, and an energy absorbing device for absorbing the energy is usually arranged at the front part of the vehicles.

At present, the anti-collision energy-absorbing devices commonly adopted by the vehicles are all anti-collision systems for front vertical collision, but collision under more conditions is inclined collision with a certain angle, the traditional energy-absorbing devices are not necessarily gradually folded and deformed under ideal conditions, and are often bent integrally, so that the material utilization rate is poor, and the energy-absorbing performance is limited.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides an improved vehicle anti-collision energy-absorbing device which can adapt to inclined collision, can play a good role in absorbing energy during both inclined collision and non-inclined collision, and can protect the outer wall of the device during slight collision.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides an improvement can adapt to vehicle anticollision energy-absorbing device of slope collision, includes mounting in the deep groove pipe and the mounting panel between bumper and automobile body longeron, the mounting panel is fixed in one side of deep groove pipe, the length direction of deep groove pipe is unanimous with automobile body length direction, the cross section of deep groove pipe is circular, a plurality of outer wall grooves have been seted up to the outer wall of deep groove pipe, a plurality of inner wall grooves have been seted up to the inner wall of deep groove pipe, the inner wall of deep groove pipe is fixed with the connecting rod, the connecting rod is fixed in around the deep groove pipe inner wall, the inboard of connecting rod is fixed with the no groove pipe, no groove pipe fixed mounting is in one side of mounting panel, equal threaded connection has fixing bolt all around the mounting panel inner wall, one side fixedly connected with buffer structure of deep groove pipe.

The working principle of the utility model is as follows: when the impact extrusion occurs, the outer area of the depth-variable groove pipe firstly enters a plastic deformation stage to generate plastic buckling, the telescoping units are bent outwards along with the increase of the strength, then the bending angle of the plastic hinge is continuously increased, the affected area of the bent clothing is gradually increased, the plastic hinge is bent downwards gradually until a second telescoping unit and a third telescoping unit are generated, the elastic hinge is gradually folded until the bottom is always gradually, so that the whole bending does not occur, the compressed energy direction is changed, the whole buckling is converted into complete progressive folding when the oblique collision occurs, and the material is enabled to exert sufficient deformation energy absorption.

The buffer structure comprises a bump, a connecting plate is fixed on the outer side of the bump, a fixing plate is fixed on the outer side of the connecting plate, the fixing plates are symmetrically designed, and buffer foam is arranged between the fixing plates.

By adopting the structure, the buffer protection can be carried out on slight collision, and the maintenance economy is improved.

The material of fixed plate is plastics, buffer foam adopts interference fit with the fixed plate.

By adopting the structure, the buffer foam is conveniently fixed so as to prevent the buffer foam from falling, and the buffer foam is conveniently replaced.

The length of the variable-depth groove pipe is the same as that of the slotless pipe, and the slotless pipe adopts a hollow design.

By adopting the structure, the energy absorption effect can be improved, the installation is convenient, and the overall weight of the device is reduced.

An auxiliary connecting sheet is fixed between the variable-depth groove pipe and the mounting plate, and the number of the auxiliary connecting sheets is two.

By adopting the structure, the variable-depth groove pipe can be reinforced, so that the variable-depth groove pipe is prevented from being broken and falling, and the service life of the device is prolonged.

The number of the outer wall grooves is larger than that of the inner wall grooves, and the outer wall grooves and the inner wall grooves are arranged in a staggered mode.

By adopting the structure, the groove pipe with variable depth can be prevented from being bent to fully absorb energy, and the energy absorption effect is improved.

Compared with the prior art, the vehicle anti-collision energy-absorbing device which can adapt to inclined collision has the following advantages:

1. through the arrangement of the depth-variable groove pipe, the mounting plate, the outer wall groove, the inner wall groove, the connecting rod, the slotless pipe, the fixing bolt and the buffer structure, the device has the advantages that the device can exert good energy absorption effect in inclined collision and non-inclined collision, the outer wall of the device can be protected in slight collision, the energy absorption efficiency and the energy absorption effect of the device can be improved, the outer wall of the device can be protected in slight collision, the replacement times of the energy absorption device are reduced, and the problems that the traditional energy absorption device is bent integrally, the material utilization rate is poor and the energy absorption performance is limited are solved.

2. Through setting up lug, connecting plate, fixed plate, buffering foam, can cushion light collision, prevent that the slot pipe of varying depth from receiving the damage, improved maintenance economic nature.

3. Through setting up the auxiliary connection piece, can consolidate the slot pipe of varying depth, prevent that the slot pipe of varying depth from breaking and dropping, prolonged the life of device.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic perspective view of the present utility model.

Fig. 3 is a schematic perspective view of the present utility model.

Fig. 4 is a partial perspective view of the present utility model.

In the figure, 1, a groove pipe with a variable depth; 2. a mounting plate; 3. an outer wall groove; 4. an inner wall groove; 5. a connecting rod; 6. a slotless tube; 7. a fixing bolt; 8. a buffer structure; 81. a bump; 82. a connecting plate; 83. a fixing plate; 84. buffering the foam; 9. and an auxiliary connecting sheet.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1-4, the improved vehicle anti-collision energy absorbing device capable of adapting to inclined collision comprises a variable-depth groove pipe 1 and a mounting plate 2, wherein the variable-depth groove pipe 1 and the mounting plate 2 are arranged between a bumper and a longitudinal beam of a vehicle body, the mounting plate 2 is fixed on one side of the variable-depth groove pipe 1, the length direction of the variable-depth groove pipe 1 is consistent with the length direction of the vehicle body, the variable-depth groove pipe 1 collapses and absorbs energy when impacted by the vehicle body direction, the cross section of the variable-depth groove pipe 1 is circular, a plurality of outer wall grooves 3 are formed in the outer wall of the variable-depth groove pipe 1, a plurality of inner wall grooves 4 are formed in the inner wall of the variable-depth groove pipe 1, connecting rods 5 are fixed on the periphery of the inner wall of the variable-depth groove pipe 1, ungrooved pipes 6 are fixed on the inner side of the connecting rods 5, ungrooved pipes 6 are fixedly arranged on one side of the mounting plate 2, fixing bolts 7 are connected on the periphery of the inner wall of the mounting plate 2 in threads, and a buffer structure 8 is fixedly connected on one side of the variable-depth groove pipe 1; through the setting of the depth-variable groove pipe 1, the mounting plate 2, the outer wall groove 3, the inner wall groove 4, the connecting rod 5, the slotless pipe 6, the fixing bolt 7 and the buffer structure 8, the device has the advantages that the energy absorption effect can be well exerted when oblique collision and non-oblique collision are carried out, the energy absorption efficiency and the energy absorption effect of the device can be improved when slight collision is carried out, the device outer wall can be protected when slight collision is carried out, the replacement times of the energy absorption device are reduced, the problem that the traditional energy absorption device is bent integrally, and the material utilization rate is poor and the energy absorption performance is limited is solved.

The buffer structure 8 includes the lug 81, and the outside of lug 81 is fixed with connecting plate 82, and the outside of connecting plate 82 is fixed with fixed plate 83, and fixed plate 83 is the symmetrical design, is provided with the buffering foam 84 between the fixed plate 83, in this embodiment, through setting up lug 81, connecting plate 82, fixed plate 83, buffering foam 84, can cushion slight collision, prevents that the slot pipe 1 of varying depth from receiving the damage, has improved maintenance economic nature.

The material of fixed plate 83 is plastics, and buffer foam 84 adopts interference fit with fixed plate 83, in this embodiment, through this kind of design, conveniently fixes buffer foam 84, prevents that buffer foam 84 from dropping, conveniently changes buffer foam 84 simultaneously.

The length of the depth-variable grooved pipe 1 is the same as that of the ungrooved pipe 6, and the ungrooved pipe 6 adopts a hollow design, so that in the embodiment, the energy absorption effect can be improved, the installation is convenient, and the weight of the device is reduced.

Be fixed with auxiliary connection piece 9 between the slot tube 1 of varying depth and the mounting panel 2, auxiliary connection piece 9's quantity is two, in this embodiment, through setting up auxiliary connection piece 9, can consolidate the slot tube 1 of varying depth, prevents to vary depth slot tube 1 fracture and drop, has prolonged the life of device.

The quantity of outer wall groove 3 is greater than the quantity of inner wall groove 4, and outer wall groove 3 is the staggered arrangement with inner wall groove 4, in this embodiment, through this kind of design, can prevent that the depth of change groove pipe 1 from producing the buckling, fully absorbs energy, improves the energy-absorbing effect.

The working principle of the utility model is as follows: when the automobile body longitudinal beam is installed, the mounting plate 2 is firstly fixed on the automobile body longitudinal beam through the fixing bolts 7, then the buffer foam 84 is fixed between the fixing plates 83 and is fixed, energy can be fully absorbed by the buffer foam 84 to protect the energy absorbing device during miniature collision, the auxiliary connecting sheet 9 can strengthen the variable-depth groove pipe 1, the variable-depth groove pipe 1 is prevented from being broken and falling off, the service life of the device is prolonged, when impact extrusion occurs, the outer area of the variable-depth groove pipe 1 firstly enters a plastic deformation stage to generate plastic buckling, the telescopic units are outwards bent, the bending angles of the plastic hinges are continuously increased, the affected areas of the bent clothes are gradually increased, the plastic hinge bending gradually moves downwards until a second telescopic unit and a third telescopic unit are generated, until the bottoms are always gradually folded, and accordingly integral bending does not occur, the compressed energy direction is changed, the integral buckling is converted into complete progressive folding when oblique collision occurs, and therefore the material fully deforms.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides an improvement can adapt to vehicle anticollision energy-absorbing device of slope collision, includes and installs become deep groove pipe (1) and mounting panel (2) between bumper and automobile body longeron, a serial communication port, mounting panel (2) are fixed in one side of becoming deep groove pipe (1), the length direction of becoming deep groove pipe (1) is unanimous with automobile body length direction, the cross section of becoming deep groove pipe (1) is circular, a plurality of outer wall grooves (3) have been seted up to the outer wall of becoming deep groove pipe (1), a plurality of inner wall grooves (4) have been seted up to the inner wall of becoming deep groove pipe (1), the inner wall of becoming deep groove pipe (1) is fixed with connecting rod (5), connecting rod (5) are fixed in all around of becoming deep groove pipe (1) inner wall, the inboard of connecting rod (5) is fixed with no groove pipe (6), no groove pipe (6) fixed mounting is in one side of mounting panel (2) one side, equal threaded connection has fixing bolt (7) all around of mounting panel (2) inner wall, one side of becoming deep groove pipe (1) fixedly connected with buffer structure (8).

2. The improved vehicle anti-collision energy absorbing device capable of adapting to inclined collision according to claim 1, wherein the buffer structure (8) comprises a bump (81), a connecting plate (82) is fixed on the outer side of the bump (81), a fixing plate (83) is fixed on the outer side of the connecting plate (82), the fixing plates (83) are symmetrically designed, and buffer foam (84) is arranged between the fixing plates (83).

3. An improved crash-proof energy-absorbing device for vehicles adapted to inclined collision as claimed in claim 2, wherein said fixing plate (83) is made of plastic, and said cushion foam (84) is in interference fit with said fixing plate (83).

4. An improved vehicle crash-proof energy-absorbing device adapted to inclined collision according to claim 1, characterized in that the length of the deepened grooved pipe (1) is the same as the length of the ungrooved pipe (6), and the ungrooved pipe (6) is hollow.

5. The improved vehicle anti-collision energy absorbing device capable of adapting to inclined collision according to claim 1, wherein auxiliary connecting pieces (9) are fixed between the variable-depth groove pipe (1) and the mounting plate (2), and the number of the auxiliary connecting pieces (9) is two.

6. An improved vehicle impact absorbing device adapted to an oblique crash according to claim 1, wherein the number of outer wall grooves (3) is greater than the number of inner wall grooves (4), and the outer wall grooves (3) and the inner wall grooves (4) are arranged in a staggered manner.