CN113561923A - Dual energy-absorbing car buffer stop - Google Patents

Abstract

The utility model provides a dual energy-absorbing car buffer stop includes: the first bottom plate is provided with a first connecting part; the two ends of the first energy absorbing parts are respectively provided with a second connecting part and a tongue-shaped plate, and the second connecting part is connected with the first connecting part; and the plurality of second energy absorption parts comprise an outer cylinder, an inner cylinder which is embedded and arranged along the axis of the outer cylinder and barriers which are inserted into the outer cylinder and the inner cylinder, and a preset distance is reserved between the outer cylinder and the inner cylinder, so that a walking channel matched with the tongue-shaped plate is formed. The first bottom plate directly bears external impact force, impact energy is conducted to the first energy absorption part, the tongue-shaped plate is pushed to slide along the walking channel to be curled and deformed so as to absorb a part of impact energy, and then the tail end of the tongue-shaped plate shears the barrier fence to consume the residual impact energy in the curling process, so that double energy absorption of two sections is realized, the impact energy is absorbed to the maximum extent, and the personal safety of a driver is guaranteed.

Description

Dual energy-absorbing car buffer stop

Technical Field

One or more embodiments of the present description relate to the technical field of automobiles, and more particularly, to a dual energy absorbing automobile anti-collision device.

Background

An anti-collision beam of an automobile is generally installed in front of and behind a vehicle body as an automobile safety protection device, and is used for bearing and absorbing energy of external collision so as to prevent collision energy from being conducted to a cab to harm the safety of a driver and reduce the maintenance cost of the automobile after being damaged.

At present, the last generally used anticollision roof beam structure that has collision box of vehicle, its concrete structure are the energy-absorbing collision box that anticollision roof beam body front side set up, collision box is mostly the sleeve structure who has the fold, and collision box is by compressive deformation in order to absorb the impact force when the bumping into, however, the inventor discovers that the anticollision roof beam that has anticollision box structure under the prior art is too single thin, and its energy-absorbing effect is relatively poor, can not effectively guarantee navigating mate's personal safety.

Disclosure of Invention

In view of the above, an object of one or more embodiments of the present disclosure is to provide a dual energy-absorbing automobile anti-collision device, so as to solve the problem of poor protection effect of an automobile anti-collision beam.

In view of the above, one or more embodiments of the present disclosure provide a dual energy absorbing bumper for an automobile, including:

the first bottom plate is provided with a first connecting part;

the two ends of the first energy absorption parts are respectively provided with a second connecting part and a tongue-shaped plate, and the second connecting parts are connected with the first connecting parts;

the second energy absorption parts comprise outer cylinders, inner cylinders embedded and arranged along the axis of the outer cylinders and barriers inserted into the outer cylinders and the inner cylinders, and preset intervals exist between the outer cylinders and the inner cylinders, so that a walking channel matched with the tongue-shaped plates is formed;

after the first bottom plate bears the front impact force, the tongue-shaped plate is pushed to be curled and deformed along the walking channel so as to absorb a part of impact energy;

wherein, during the curling process of the tongue plate, the tail end of the tongue plate shears the barrier to consume the residual impact energy.

As an optional implementation manner, the barrier comprises an installation bottom plate fixedly connected with the outer cylinder and a plurality of barrier pieces uniformly arranged on one side of the installation bottom plate, and the side walls of the inner cylinder and the outer cylinder are provided with slots in adaptive connection with the barrier pieces.

As an alternative embodiment, the tongue plate is divided into a deformable body and a cut-out portion, the cut-out portion being serrated to break the blocking piece.

As an optional implementation manner, one side of the deformation main body of the tongue-shaped plate protrudes outwards to form a guide rail, wherein a walking groove matched with the guide rail is formed on the outer wall of the inner cylinder.

As an optional implementation manner, an outer wall of one end of the inner cylinder protrudes outward to form a set of symmetrical limiting portions, wherein a limiting installation groove in adaptive connection with the limiting portions is formed in the outer cylinder.

As an optional implementation manner, the automobile outer cylinder further comprises a second bottom plate, one end of the second bottom plate is fixedly connected with the outer cylinder, and the other end of the second bottom plate is fixedly arranged on an automobile.

As an alternative embodiment, one side of the first base plate is further formed with a corrugation groove.

As an optional implementation mode, the number of the first energy absorbing parts ranges from 2 to 4, and one first energy absorbing part corresponds to one second energy absorbing part.

As can be seen from the above description, in the dual energy absorption automobile anti-collision device provided in one or more embodiments of the present disclosure, the first base plate directly receives an external impact force, and transmits impact energy to the first energy absorption portion, so as to push the tongue plate to slide along the walking channel to generate a curling deformation to absorb a portion of impact energy, and then, during the curling process of the tongue plate, the tail end of the tongue plate shears the barrier to consume the remaining impact energy, thereby implementing two-stage dual energy absorption, absorbing the impact energy to the maximum extent, and ensuring the personal safety of a driver.

Drawings

In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.

FIG. 1 is a schematic perspective view of an embodiment of the present disclosure;

FIG. 2 is a schematic view of a first backplane structure according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a first energy absorbing portion according to an embodiment of the disclosure;

FIG. 4 is a schematic view of a second energy absorbing portion of an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of an outer cylinder according to an embodiment of the disclosure;

FIG. 6 is a schematic view of an inner barrel structure according to an embodiment of the disclosure;

FIG. 7 is a schematic diagram of a barrier structure according to an embodiment of the disclosure;

FIG. 8 is a schematic cross-sectional view of a second energy absorbing portion according to an embodiment of the disclosure;

FIG. 9 is a schematic view of a second bottom plate structure according to the embodiment of the disclosure;

fig. 10 is a schematic diagram illustrating operation of an embodiment of the present disclosure.

Reference numbers in the figures: 1. a first base plate; 1a, a first connecting part; 1b, a fold groove; 2. a first energy absorbing part; 3. a second energy absorbing portion; 4. a second base plate; 5. a slot; 21. a second connecting portion; 22. a tongue plate; 22a, a deformation body; 22b, a cutting part; 22c, a guide rail; 31. an outer cylinder; 31a, a limit mounting groove; 32. an inner barrel; 32a, a walking groove; 32b, a limiting part; 33. a barrier rib; 33a, a mounting base plate; 33b, a barrier sheet;

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.

To achieve the above object, as shown in fig. 1 to 10, the present disclosure provides a dual energy-absorbing automobile bumper, including:

the first bottom plate 1 is provided with a first connecting part 1a on the first bottom plate 1;

a plurality of first suction parts 2, wherein a second connection part 21 and a tongue-shaped plate 22 are formed at both ends of each first suction part 2, and the second connection part 21 is connected to the first connection part 1 a;

the energy absorbing device comprises a plurality of second energy absorbing parts 3, wherein each second energy absorbing part 3 comprises an outer cylinder 31, an inner cylinder 32 embedded along the axis of the outer cylinder 31 and barriers 33 inserted on the outer cylinder 31 and the inner cylinder 32, and a preset distance exists between the outer cylinder 31 and the inner cylinder 32, so that a walking channel matched with the tongue-shaped plate 22 is formed;

after the first bottom plate 1 bears a front impact force, the tongue-shaped plate 22 is pushed to generate a curling deformation along the walking channel so as to absorb a part of the impact energy;

wherein, during the curling process of the tongue plate 22, the tip of the tongue plate 22 shears the barrier 33 to dissipate the remaining impact energy.

In the embodiment of the present disclosure, the first base plate 1 directly receives an external impact force, and transmits impact energy to the first energy absorbing part 2, so as to push the tongue plate 22 to slide along the walking channel to generate a curling deformation to absorb a part of the impact energy, and secondly, during the curling process of the tongue plate 22, the end of the tongue plate 22 shears the barrier 33 to consume the rest of the impact energy, thereby realizing two-stage dual energy absorption.

Optionally, the barrier comprises an installation bottom plate 33a fixedly connected with the outer cylinder 31 and a plurality of barrier pieces 33b uniformly arranged on one side of the installation bottom plate 33a, and the side walls of the inner cylinder 32 and the outer cylinder 31 are provided with slots 5 in adaptive connection with the barrier pieces 33 b.

Optionally, the tongue plate 22 is divided into a deformation body 22a and a cut portion 22b, and the cut portion 22b is serrated to break the blocking piece 33 b.

Optionally, one side of the deformation main body 22a of the tongue plate 22 protrudes outward to form a guide rail 22c, wherein a traveling groove 32a matched with the guide rail 22c is formed on the outer wall of the inner cylinder 32.

Optionally, an outer wall of one end of the inner cylinder 32 protrudes outward to form a set of symmetrical limiting portions 32b, wherein a limiting installation groove 31a adapted to the limiting portions 32b is formed in the outer cylinder 31.

Optionally, the automobile outer cylinder 31 is fixedly connected with the other end of the second bottom plate 4, and the other end of the second bottom plate 4 is fixedly arranged on the automobile.

Optionally, a corrugated groove 1b is further formed on one side of the first base plate 1.

Optionally, the number of the first energy absorbing parts 2 ranges from 2 to 4, and one first energy absorbing part 2 corresponds to one second energy absorbing part 3.

It is to be noted that technical terms or scientific terms used in the embodiments of the present disclosure should have a general meaning as understood by those having ordinary skill in the art to which the present disclosure belongs, unless otherwise defined. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the present disclosure, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the embodiments of the present disclosure as described above, which are not provided in detail for the sake of brevity.

The disclosed embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalents, improvements, and the like that may be made within the spirit and principles of the embodiments of the disclosure are intended to be included within the scope of the disclosure.

Claims (8)

1. The utility model provides a dual energy-absorbing car buffer stop which characterized in that includes:

the first bottom plate is provided with a first connecting part;

the two ends of the first energy absorption parts are respectively provided with a second connecting part and a tongue-shaped plate, and the second connecting parts are connected with the first connecting parts;

the second energy absorption parts comprise outer cylinders, inner cylinders embedded and arranged along the axis of the outer cylinders and barriers inserted into the outer cylinders and the inner cylinders, and preset intervals exist between the outer cylinders and the inner cylinders, so that a walking channel matched with the tongue-shaped plates is formed;

after the first bottom plate bears the front impact force, the tongue-shaped plate is pushed to slide along the walking channel to generate curling deformation so as to absorb a part of impact energy;

wherein, during the curling process of the tongue plate, the tail end of the tongue plate shears the barrier to consume the residual impact energy.

2. The dual energy-absorbing automobile anti-collision device according to claim 1, wherein the barrier comprises a mounting base plate fixedly connected with the outer cylinder and a plurality of barrier pieces uniformly arranged on one side of the mounting base plate, and the side walls of the inner cylinder and the outer cylinder are provided with slots adapted to the barrier pieces.

3. The dual energy absorbing automotive impact device of claim 2, wherein said tongue plate is divided into a deformable body and a shear, said shear having a saw-tooth shape to break said barrier.

4. The dual energy-absorbing automobile anti-collision device according to claim 3, wherein one side of the deformation body of the tongue-shaped plate protrudes outwards to form a guide rail, and a traveling groove matched with the guide rail is formed in the outer wall of the inner cylinder.

5. The dual energy-absorbing automobile anti-collision device according to claim 1, wherein the outer wall of one end of the inner cylinder protrudes outwards to form a set of symmetrical limiting parts, and the outer cylinder is provided with limiting installation grooves which are in adaptive connection with the limiting parts.

6. The dual energy-absorbing automotive impact protection device of claim 1, further comprising a second bottom plate, wherein one end of said second bottom plate is fixedly connected to said outer cylinder, and the other end of said second bottom plate is fixedly disposed on an automobile.

7. The dual energy absorbing automotive impact device of claim 1, wherein a side of said first floor panel is further formed with a corrugation groove.

8. The dual energy-absorbing automotive impact protection device of claim 1, wherein the number of said first energy-absorbing parts ranges from 2 to 4, and one first energy-absorbing part corresponds to one second energy-absorbing part.

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