CN219728108U

CN219728108U - Automobile bumper

Info

Publication number: CN219728108U
Application number: CN202321229285.7U
Authority: CN
Inventors: 钱丽
Original assignee: Hangzhou Gelin Automobile Technology Co ltd
Current assignee: Hangzhou Gelin Automobile Technology Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-09-22
Anticipated expiration: 2033-05-18

Abstract

The utility model relates to an automobile bumper, which comprises a front bumper plate, a rear bumper plate and a main bumper body, wherein the left end face of the main bumper body is fixedly connected with the rear bumper plate, the left end face of the main bumper body is provided with an open pressure relief cavity, at least three circular cavities are distributed at equal intervals on the inner side of the pressure relief cavity, the left end face of the front bumper plate is provided with an arc-shaped reinforcing plate, and the right end face of the arc-shaped reinforcing plate is fixedly provided with at least three guide rods.

Description

Automobile bumper

Technical Field

The utility model relates to the field of automobiles, in particular to an automobile bumper.

Background

The automobile bumper is a safety device for absorbing and relieving external impact force and protecting an automobile body, but when facing a large truck, the strength of the bumper needs to be additionally enhanced, and the existing large truck bumper is not stable in buffering and not high in strength although being additionally provided with springs for buffering, so that the buffer force line is easy to deviate, meanwhile, the springs shrink after absorbing the impact, and potential energy released during restoring is extremely easy to produce secondary impact hazard.

Disclosure of Invention

The present utility model is directed to an automobile bumper to solve the above-mentioned problems.

The utility model solves the technical problems by adopting the following technical scheme:

the utility model provides an automobile bumper, includes front bumper plate, back bumper plate and main lever body, main lever body left end face with fixed connection between the back bumper plate, main lever body left end face is provided with open-ended pressure release chamber, pressure release chamber inboard equidistance distributes and is provided with five round hole bores, the cambered surface reinforcing plate is installed to front bumper plate left end face, cambered surface reinforcing plate right-hand member face fixed mounting has five guide bars, and five the guide bar is the equidistance and distributes and set up, and the slip link up front bumper plate with back bumper plate enters into in the round hole bores, front bumper plate with be provided with main buffer structure between the back bumper plate, back bumper plate with be fixed connection has two V type spring steel pieces respectively between the front bumper plate in both sides arc position department.

Preferably, the main buffer structure comprises two buffer grooves which are arranged on the right end face of the front bumper plate and are vertically symmetrical, two buffer boss plates are fixedly arranged on the left end face of the rear bumper plate, each buffer boss plate is respectively connected with the corresponding buffer groove in a sliding manner, and a spring group is connected between the left end face of each buffer boss plate and the inner side wall of the corresponding buffer groove.

Preferably, each buffer groove is composed of buffer springs distributed at equal intervals, and the distance between two adjacent buffer springs is 7-10 cm.

Preferably, the inner sides of the tail ends of the V-shaped spring steel pieces are respectively provided with hook shapes, and the directions of the hook shapes are opposite.

Preferably, each of the circular hole cavities is provided with a composite rubber layer in an inner cavity, and each of the composite rubber layers is tightly attached to the corresponding guide rod.

Preferably, the right end face of the main lever body is fixedly provided with two reinforcing frames.

The utility model has the advantages and positive effects that:

1. according to the utility model, the safety performance of the bumper is greatly improved compared with that of the traditional single-layer bumper by arranging the bumper in a double-layer manner, and meanwhile, the V-shaped spring steel pieces are fixedly connected to the arc-shaped positions on the two sides between the rear bumper plate and the front bumper plate respectively, so that the bumper can be additionally buffered and protected, and meanwhile, when a large impact is received, the danger caused by secondary impact generated by the release of the main buffer structure after buffering shrinkage can be effectively avoided, thereby improving the safety performance of the bumper;

2. and for smaller impact, the friction between the guide rod and the composite rubber layer can be used for relieving secondary impact generated by releasing the spring group, so that the protection effect of the bumper is greatly improved.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of an overall structure of an automobile bumper according to the present utility model;

FIG. 2 is a schematic top view of an automotive bumper according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure of FIG. 1 at A-A in accordance with the present utility model;

FIG. 4 is a schematic view of a partially enlarged structure of the present utility model at B in FIG. 2;

fig. 5 is a schematic view showing the structure of the front bumper plate 10 and the rear bumper plate 12 removed from the automobile bumper according to the present utility model.

The index marks in the drawings are as follows: 10. a front bumper plate; 11. cambered surface reinforcing plates; 12. a rear bumper plate; 13. a main bar body; 14. a reinforcing frame; 15. a pressure relief cavity; 16. buffering the protruding table plate; 17. a guide rod; 18. a circular cavity; 19. a buffer groove; 20. a spring set; 21. a composite rubber layer; 22. v-shaped spring steel piece.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.

The utility model will now be described in detail with reference to fig. 1-5, wherein for convenience of description, the orientations described below are now defined as follows: the vertical, horizontal, vertical, front-to-back directions described below are the same as the vertical, horizontal, vertical, and horizontal directions of the view of fig. 1. Fig. 1 is a front view of the device of the present utility model, and the direction of fig. 1 is the same as the vertical, horizontal, vertical, front-to-back, horizontal, and horizontal directions of the device of the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically linked, may be directly linked, may be indirectly linked through an intervening medium, and may be in communication between two elements or in an interactive relationship therebetween, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Embodiments of the utility model are described in further detail below with reference to the attached drawing figures:

referring to fig. 1-5, an embodiment of the present utility model is provided: the utility model provides an automobile bumper, includes front bumper 10, rear bumper 12 and main lever 13, main lever 13 left end face with fixed connection between the rear bumper 12, and main lever 13's left end face is provided with open-ended pressure release chamber 15, pressure release chamber 15 inboard equidistance distribution is provided with five round hole bores 18, is in simultaneously front bumper 10 left end face installs cambered surface reinforcing plate 11, cambered surface reinforcing plate 11 right-hand member face fixed mounting has five guide bars 17, and five guide bars 17 are the equidistance distribution setting, and the slip link up front bumper 10 with rear bumper 12 enters into in the round hole bores 18, thereby will through guide bars 17 front bumper 10 rear bumper 12 with main lever 13 three is connected, and then makes the bumper form inside and outside bilayer structure, and the skin is the thickening protection front bumper 10, inlayer are rear bumper 12 front bumper 10 with be provided with main buffer structure between front bumper 10 with rear bumper 12, simultaneously the front bumper 12 with two have been avoided the two to receive the shock absorber profile V to have reached when the two-absorbing members V, can also reach the safety protection device of two-type safety buffer member V is realized respectively to the safety protection device.

Referring to fig. 1 to 3, it is worth mentioning that the main buffer structure in the above description is specifically: the right end face of the front bumper plate 10 is provided with two buffer grooves 19 which are vertically symmetrical, the left end face of the rear bumper plate 12 is fixedly provided with two buffer boss plates 16, each buffer boss plate 16 is respectively connected with the corresponding buffer groove 19 in a sliding manner, a spring group 20 is connected between the left end face of each buffer boss plate 16 and the inner side wall of the corresponding buffer groove 19, the buffer boss plates 16 which are arranged at the outer end of the rear bumper plate 12 in a protruding manner are embedded in the buffer grooves 19, and the buffer boss plates 16 are connected by the spring group 20, so that when being buffered, the buffer boss plates 16 are pressed into the buffer grooves 19 very stably, and kinetic energy is transferred into the spring group 20 for buffer absorption, and the overall stability is greatly improved.

It should be noted that, in order to facilitate better control over the stability of the buffering, in this embodiment, each spring set 20 is composed of buffer springs distributed at equal intervals, and the interval between two adjacent buffer springs is 7-10 cm, so that the stability of the buffering stress is further improved by effectively controlling the interval distance between each buffer spring.

Referring to fig. 2 and fig. 4, it should be noted that the inner sides of the ends of the V-shaped spring steel member 22 are respectively provided with hook-shaped portions, and are opposite in orientation, and the hook end surfaces of the two hook-shaped portions are not on the same plane, when the V-shaped spring steel member 22 is extruded, the two hook-shaped portions will contact and extrude, so that the hook portion near one end of the rear bumper plate 12 will generate a certain elastic deformation, and finally the hook-shaped portion near one end of the front bumper plate 10 is embedded into the hook-shaped portion to form a clamping position, thereby avoiding the risk of secondary impact generated by the release of the main buffer structure after buffering shrinkage.

Referring to fig. 3 and 5, in order to cope with the secondary impact generated by the release of the main buffer structure after the buffer shrinkage caused by the small impact, in this embodiment, a composite rubber layer 21 is respectively disposed in the inner cavity of each circular hole cavity 18, each composite rubber layer 21 is closely attached to the corresponding guide rod 17, when the impact is received, the guide rod 17 generates a certain friction with the composite rubber layer 21 in the circular hole cavity 18, and also can play a certain role in buffering, and at the same time, when the spring group 20 is released after the shrinkage after the impact is finished, the guide rod 17 can also slow down.

As shown in fig. 1 and 2, two reinforcing frames 14 are fixedly installed on the right end surface of the main bar body 13, and the two reinforcing frames 14 are installed symmetrically up and down, so as to externally reinforce the main bar body 13.

In specific implementation, when the automobile bumper is impacted, firstly, the outermost cambered surface reinforcing plate 11 is impacted, so that the front bumper plate 10 is pressed into one side of the rear bumper plate 12, the friction between the V-shaped spring steel pieces 22 on two sides and the guide rod 17 and the composite rubber layer 21 on two sides is buffered and absorbed to protect the front bumper plate, and when the impact is overlarge, the hook-shaped parts of the V-shaped spring steel pieces 22 on two sides form clamping positions, thereby avoiding the danger of secondary impact generated by the release of the main buffer structure after buffering and contraction, and for smaller impact, the friction between the guide rod 17 and the composite rubber layer 21 can be utilized to slow down the secondary impact generated by the release of the spring group 20, so that the protection effect of the bumper is greatly improved.

It should be emphasized that the examples described herein are illustrative rather than limiting, and therefore the utility model is not limited to the examples described in the detailed description, but rather falls within the scope of the utility model as defined by other embodiments derived from the technical solutions of the utility model by those skilled in the art.

Claims

1. An automobile bumper comprises a front bumper plate (10), a rear bumper plate (12) and a main bumper body (13), and is characterized in that: the novel V-shaped spring steel plate is characterized in that the left end face of the main lever body (13) is fixedly connected with the rear lever plate (12), an opening pressure relief cavity (15) is formed in the left end face of the main lever body (13), at least three circular cavities (18) are formed in the inner side of the pressure relief cavity (15) in an equidistant mode, an arc-shaped reinforcing plate (11) is mounted on the left end face of the front lever plate (10), at least three guide rods (17) are fixedly mounted on the right end face of the arc-shaped reinforcing plate (11), the guide rods (17) are arranged in an equidistant mode and penetrate through the front lever plate (10) and the rear lever plate (12) in a sliding mode, a main buffer structure is arranged between the front lever plate (10) and the rear lever plate (12), and at least two V-shaped spring steel pieces (22) are fixedly connected to the front lever plate (10) at two arc-shaped positions.

2. An automobile bumper according to claim 1, wherein: the main buffer structure comprises two buffer grooves (19) which are arranged on the right end face of the front bumper plate (10) and are vertically symmetrical, two buffer boss plates (16) are fixedly arranged on the left end face of the rear bumper plate (12), each buffer boss plate (16) is respectively connected with the corresponding buffer groove (19) in a sliding mode, and a spring group (20) is connected between the left end face of each buffer boss plate (16) and the inner side wall of the corresponding buffer groove (19).

3. An automobile bumper according to claim 2, wherein: each spring group (20) is composed of buffer springs which are distributed at equal intervals, and the distance between two adjacent buffer springs is 7-10 cm.

4. An automobile bumper according to claim 1, wherein: the inner sides of the tail ends of the V-shaped spring steel pieces (22) are respectively provided with hook shapes and face opposite directions.

5. An automobile bumper according to claim 2, wherein: each round hole cavity (18) is internally provided with a composite rubber layer (21) respectively, and each composite rubber layer (21) is tightly attached to the corresponding guide rod (17).

6. An automobile bumper according to claim 1, wherein: two reinforcing frames (14) are fixedly arranged on the right end face of the main lever body (13).