CN216301012U

CN216301012U - Automobile front bumper with high safety performance

Info

Publication number: CN216301012U
Application number: CN202023352991.XU
Authority: CN
Inventors: 田宝春
Original assignee: Zhejiang Traffic Technician College
Current assignee: Zhejiang Traffic Technician College
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2022-04-15
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses an automobile front bumper with strong safety performance, belonging to the technical field of automobiles, and the automobile front bumper with strong safety performance comprises a bumper body, wherein the middle part of the front end of the bumper body is fixedly connected with a lug, two sides of the lug are provided with air bag structures, a buffer plate is fixedly connected in the inner wall of the rear end of the bumper body, the rear end of the buffer plate is fixedly connected with a reinforcing plate, the middle part of the rear end of the reinforcing plate is fixedly connected with a buffer rod, the inside of the buffer rod is provided with a spring groove, the inside of the spring groove is fixedly connected with a spring, the other end of the spring is fixedly connected with a connecting rod, the other end of the connecting rod is provided with an insertion hole, the automobile and the bumper body are ensured to be damaged to the minimum extent, the device has simple and compact structure, can greatly improve the safety of the automobile front bumper, is widely applicable, air cavities are quickly filled with air through air passages to fill the air bags, can avoid larger injury in time, greatly improve the safety performance.

Description

Automobile front bumper with high safety performance

Technical Field

The utility model relates to the field of automobile front bumpers with strong safety performance, in particular to an automobile front bumper with strong safety performance.

Background

At present, the research and development level of vehicle collision safety of various automobile host plants in China is continuously improved, and the grading of new vehicles by EuronCAP (European Union New vehicle authentication program/center) is an important index for evaluating the collision safety performance of the new vehicles. In vehicles evaluated by Eur0NCAP in recent years, the scoring of the upper leg of a pedestrian is always a difficult problem mainly because the center of the upper leg of the pedestrian impacts the lap joint area between the front edge of an engine hood and a front protection hood, hard objects with strong rigidity, such as a hood lock, a front protection skin mounting bracket, a cooling system bracket and the like, are arranged at the position, and the hard points generally do not deform or only slightly deform when being impacted by the leg, so that the purposes of energy absorption and buffering cannot be achieved, and the stress concentration and the sharp increase of the bending moment of the upper leg of the pedestrian are caused.

The existing automobile front bumper with strong safety performance mainly has the following defects in the using process:

1. the front bumper is not provided with an air bag;

2. the buffer structure is too single, and the safety performance cannot be well improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automobile front bumper with strong safety performance, and aims to effectively solve the problems in the prior art.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a car front bumper that security performance is strong, includes the bumper body, the front end middle part fixedly connected with lug of bumper body, the both sides of lug are provided with the gasbag structure, fixedly connected with buffer board in the rear end inner wall of bumper body, the rear end fixedly connected with reinforcing plate of buffer board, the rear end middle part fixedly connected with buffer beam of reinforcing plate, the spring groove has been seted up to the inside of buffer beam, the inside fixedly connected with spring in spring groove, the other end fixedly connected with connecting rod of spring, the other end of connecting rod is provided with the jack, and the device simple structure is compact, the security of the front bumper of promotion car that can be great, is suitable for extensively.

As a preferred scheme of the utility model, two groups of rotating plates are rotatably connected in the jacks through bolts, the other ends of the two groups of rotating plates are rotatably connected with sliding rods, and the sliding rods are slidably connected in the supporting rods.

As a preferable scheme of the utility model, the outer side of the connecting rod is fixedly connected with an installation seat, and a rubber pad is arranged in the inner wall of the installation seat.

As a preferable scheme of the utility model, two groups of rotating plates, two groups of sliding rods and two groups of supporting rods are arranged.

As a preferable scheme of the utility model, the airbag structure comprises a stress plate, an air passage, an airbag, a cabin, an air cavity and a shell, the shell is fixedly installed in the inner walls of the two sides of the bumper body, the cabin is arranged in the shell, the airbag is placed in the cabin in a shrinkage mode, and the stress plate is fixedly installed on the outer side of the air passage.

As a preferable scheme of the utility model, the air passage and the air bag are arranged into a whole, the air passage ventilation air bag pops up, and an air cavity is formed inside the air bag.

Compared with the prior art, the utility model has the advantages that:

(1) the gasbag structure that sets up in the present case includes atress board, air flue, gasbag, cabin, air cavity and casing, and the gasbag compression is receive and release in the casing under the normal condition, and two sets of casings set up in the both sides of lug, and when the area of being collided surpasss the scope of lug, the atress board received the response and breaks, and the gasbag pops out from the cabin, fills up the air cavity with gas rapidly through the air flue and is full of the gasbag, and the bigger injury of avoiding that can be timely, great improvement the security performance.

(2) Dash board fixed connection in the present case between lug and reinforcing plate, the buffer board can absorb some impact and carry out the structure at scattered power protection rear and damage not to say that, when the bumper body produces the striking, the connecting rod atress at rear compresses the spring, the connecting rod impels, two sets of rotor plates rotate and drive the slide bar and slide in the bracing piece, the interact between several groups of structures, can offset most impact, the minimum impaired of car and bumper body has been guaranteed.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic diagram of the overall top view structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of the present invention;

FIG. 4 is a schematic view of the airbag housing of the present invention;

fig. 5 is a schematic view of the air bag pop-up structure of the present invention.

The reference numbers in the figures illustrate:

1. a bumper body; 2. a bump; 3. an air bag structure; 31. a stress plate; 32. an airway; 33. an air bag; 34. a cabin; 35. an air cavity; 36. a housing; 4. a buffer plate; 5. a reinforcing plate; 6. a buffer rod; 7. A spring slot; 8. a spring; 9. a connecting rod; 10. a jack; 11. a rotating plate; 12. a slide bar; 13. a support bar; 14. a rubber pad; 15. and (7) mounting a seat.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

please refer to fig. 1-5, an automobile front bumper with strong safety performance, comprising a bumper body 1, a bump 2 fixedly connected to the middle of the front end of the bumper body 1, airbag structures 3 disposed on the two sides of the bump 2, a buffer plate 4 fixedly connected to the inner wall of the rear end of the bumper body 1, a reinforcing plate 5 fixedly connected to the rear end of the buffer plate 4, a buffer rod 6 fixedly connected to the middle of the rear end of the reinforcing plate 5, a spring slot 7 formed inside the buffer rod 6, a spring 8 fixedly connected to the inside of the spring slot 7, a connecting rod 9 fixedly connected to the other end of the spring 8, and a jack 10 disposed at the other end of the connecting rod 9.

In the embodiment, the bumper body 1 is arranged to play a role in supporting the whole structure, the lug 2 is arranged, the lug 2 is made of soft plastic, and if a collision event occurs, great property loss and casualties can be avoided, the arranged airbag structure 3 comprises a stressed plate 31, an air passage 32, airbags 33, a cabin 34, an air chamber 35 and a shell 36, the airbags 33 are compressed and stored in the shell 36 under normal conditions, two groups of shells 36 are arranged on two sides of the lug 2, when the collision area exceeds the range of the lug 2, the stressed plate 31 is subjected to induction fracture, the airbags 33 pop out from the cabin 34, the air chamber 35 is rapidly filled with air through the air passage 32 to fill the airbags 33, so that larger damage can be timely avoided, the safety performance is greatly improved, the buffer plate 4 is fixedly connected between the lug 2 and the reinforcing plate 5, the buffer plate 4 can absorb part of impact force to disperse force and protect the rear structure from damage, when bumper body 1 produced the striking, the connecting rod 9 atress at rear compressed spring 8, connecting rod 9 impels, two sets of rotor plates 11 rotate and drive slide bar 12 and slide in bracing piece 13, several group are mutually supported between the structure, can offset most impact, guaranteed the impaired of car and bumper body 1 minimum, the device simple structure is compact, the security of the front bumper of promotion car that can be great, it is suitable for extensively.

Specifically, two groups of rotating plates 11 are rotatably connected in the jack 10 through a bolt, the other ends of the two groups of rotating plates 11 are rotatably connected with a sliding rod 12, and the sliding rod 12 is slidably connected in a supporting rod 13.

In this embodiment, when bumper body 1 produced the striking, the connecting rod 9 atress at rear compressed spring 8, and connecting rod 9 impels, and two sets of rotor plates 11 rotate and drive slide bar 12 and slide in bracing piece 13, and the interact between several groups of structures can offset most impact.

Specifically, the outer side of the connecting rod 9 is fixedly connected with a mounting seat 15, and a rubber pad 14 is arranged in the inner wall of the mounting seat 15.

In this embodiment, the mounting seat 15 can fix the whole structure, and the rubber pad 14 arranged inside can reduce the damage caused by the collision of the structure, and prolong the service life.

Specifically, two groups of rotating plates 11, two groups of sliding rods 12 and two groups of supporting rods 13 are arranged.

In this embodiment, two sets of rotating plates 11 rotate to drive the sliding rod 12 to slide in the supporting rod 13, and several sets of structures are mutually matched to counteract most of the impact force, so that the safety can be greatly improved.

Specifically, the airbag structure 3 includes a force-bearing plate 31, an air passage 32, an airbag 33, a cabin 34, an air chamber 35 and a housing 36, the housing 36 is fixedly installed in inner walls of two sides of the bumper body 1, the cabin 34 is opened inside the housing 36, the airbag 33 is contracted and placed in the cabin 34, and the force-bearing plate 31 is fixedly installed outside the air passage 32.

In this embodiment, the air bag 33 is compressed and stored in the housing 36 under normal conditions, the two sets of housings 36 are arranged on two sides of the bump 2, when the collision area exceeds the range of the bump 2, the stress plate 31 is broken by induction, the air bag 33 is ejected from the cabin 34, the air chamber 35 is filled with air rapidly through the air passage 32 to fill the air bag 33, and therefore greater damage can be avoided timely.

Specifically, the air passage 32 and the air bag 33 are integrally arranged, the air passage 32 ventilates the air bag 33 to pop up, and an air chamber 35 is formed inside the air bag 33.

In this embodiment, the force-bearing plate 31 is broken by sensing, the air bag 33 is ejected from the chamber 34, and the air chamber 35 is filled with air rapidly through the air passage 32 to fill the air bag 33.

The working principle is as follows:

when the automobile front bumper with strong safety performance is used, the arranged bumper body 1 plays a role of supporting the whole structure, the arranged convex block 2 is made of soft plastic, and great property loss and casualties can be avoided if a collision accident occurs, the arranged airbag structure 3 comprises a stress plate 31, an air passage 32, an airbag 33, a cabin 34, an air chamber 35 and a shell 36, the airbag 33 is compressed and stored in the shell 36 under normal conditions, two groups of shells 36 are arranged on two sides of the convex block 2, when the collision area exceeds the range of the convex block 2, the stress plate 31 is subjected to induction rupture, the airbag 33 pops out from the cabin 34, the air chamber 35 is rapidly filled with air through the air passage 32 to fill the airbag 33 with the air chamber 35, so that greater damage can be timely avoided, the safety performance is greatly improved, the buffer plate 4 is fixedly connected between the convex block 2 and the reinforcing plate 5, buffer board 4 can absorb some impact and carry out the structure at scattered power protection rear and damage not to say, when bumper body 1 produces the striking, the connecting rod 9 atress at rear compresses spring 8, connecting rod 9 impels, two sets of rotor plates 11 rotate and drive slide bar 12 and slide in bracing piece 13, the interact between several groups of structures, can offset most impact, the damage of car and bumper body 1 minimum has been guaranteed, the device simple structure is compact, the security of the front bumper of promotion car that can be great, and wide application.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a car front bumper that security performance is strong, includes bumper body (1), its characterized in that: the bumper comprises a bumper body (1), and is characterized in that a bump (2) is fixedly connected to the middle of the front end of the bumper body (1), air bag structures (3) are arranged on two sides of the bump (2), a buffer plate (4) is fixedly connected to the inner wall of the rear end of the bumper body (1), a reinforcing plate (5) is fixedly connected to the rear end of the buffer plate (4), a buffer rod (6) is fixedly connected to the middle of the rear end of the reinforcing plate (5), a spring groove (7) is formed in the buffer rod (6), a spring (8) is fixedly connected to the inside of the spring groove (7), a connecting rod (9) is fixedly connected to the other end of the spring (8), and a jack (10) is arranged at the other end of the connecting rod (9).

2. A high-safety front bumper for vehicles as claimed in claim 1, wherein: two groups of rotating plates (11) are rotatably connected in the jack (10) through a bolt, the other ends of the two groups of rotating plates (11) are rotatably connected with a sliding rod (12), and the sliding rod (12) is slidably connected in a supporting rod (13).

3. A high-safety front bumper for vehicles as claimed in claim 1, wherein: the outer side of the connecting rod (9) is fixedly connected with an installation seat (15), and a rubber pad (14) is arranged in the inner wall of the installation seat (15).

4. A high-safety front bumper for automobiles according to claim 2, characterized in that: two groups of rotating plates (11), two groups of sliding rods (12) and two groups of supporting rods (13) are arranged.

5. A high-safety front bumper for vehicles as claimed in claim 1, wherein: the air bag structure (3) comprises a stress plate (31), an air passage (32), an air bag (33), a cabin (34), an air cavity (35) and a shell (36), wherein the shell (36) is fixedly installed in the inner walls of the two sides of the bumper body (1), the cabin (34) is formed in the shell (36), the air bag (33) is placed in the cabin (34) in a shrinkage mode, and the stress plate (31) is fixedly installed on the outer side of the air passage (32).

6. The front bumper of claim 5, wherein: the air passage (32) and the air bag (33) are arranged into a whole, the air passage (32) ventilates the air bag (33) to pop up, and an air cavity (35) is formed inside the air bag (33).