CN218141401U - Air bag type automobile bumper - Google Patents

Abstract

The utility model discloses a gasbag formula car bumper belongs to car bumper technical field, aims at solving simple structure among the prior art, and the buffering mode is single, the not good problem of buffering protective effect. Through the arrangement of the buffer layer, the buffer cushion and the buffer structure, the buffer layer and the buffer structure can buffer the collision impact received by the outer plate and absorb the collision energy, and meanwhile, the U-shaped buffer cushion can buffer and protect the contact surface of the outer plate and the cross beam; through the setting of gasbag, gas generator and collision sensor, can receive the collision impact to make blotter and collision sensor contact when the planking, gas generator opens rapidly and makes the gasbag expand rapidly in the space between planking and crossbeam to jack-up buffer structure, the gasbag plays the effect of buffering protection, thereby reduces the loss that the collision caused, and whole device has multiple buffering mode simultaneously, has improved the effect of buffering protection.

Description

Air bag type automobile bumper

Technical Field

The utility model relates to a car bumper technical field specifically is a gasbag formula car bumper.

Background

The front and rear ends of the automobile are provided with bumpers which are safety devices for absorbing and slowing down external impact force and protecting the front and rear parts of the automobile body. The car front and rear bumpers are required to be harmonious and uniform with the car body shape and light in weight in addition to the original protection function. The front and rear bumpers of a car are made of plastic, and are called plastic bumpers. The plastic bumper for automobile consists of outer plate, buffering material and cross beam. Wherein the outer plate and the buffer material are made of plastics, and the cross beam is punched into a U-shaped groove by a cold-rolled sheet; the outer plate and the cushioning material are attached to the cross member.

Chinese patent CN104290698A discloses an gasbag formula car bumper, and this patent passes through the bumper when the car bumps, pops out the gasbag rapidly, makes the gasbag be in between bumper and the mounting bracket to reach the purpose of buffering and protection, simple structure not only, the buffering mode is single moreover, and buffering protective effect is not good.

SUMMERY OF THE UTILITY MODEL

In view of the problems existing in the prior art, the utility model discloses a gasbag formula car bumper, the technical scheme of adoption is, including planking and crossbeam, the inboard swing joint of planking has the crossbeam, the inside of planking is provided with the buffer layer, through the setting of buffer layer, can cushion the collision impact that the planking received, the inboard fixedly connected with blotter of planking through the setting of blotter, can protect the contact surface of planking and crossbeam, be connected with multiunit buffer structure between planking and the crossbeam, through the setting of buffer structure, can further cushion the collision impact that the planking received to improve the effect of buffering protection, one side that the crossbeam is close to the planking is provided with a plurality of gasbags, every all be connected with gas generator on the gasbag, through gasbag and gas generator's setting, can make the gasbag expand rapidly in the space between planking and crossbeam when gas generator opens to jack-up buffer structure, thereby play the effect of buffering protection, one side that the crossbeam is close to the two collision sensors that are provided with through the setting of collision sensor, can be in the contact of blotter and collision sensor and with collision sensor transmission signal transmission to the spacing control system, thereby the planking, the setting of the spacing impact and the planking, thereby can be provided with spacing impact the outside board and the setting of the limiting sensor.

As a preferred technical scheme of the utility model, the planking is the U-shaped, the cavity has been seted up to the inside of planking, through the setting of cavity, can conveniently fill the buffer layer.

As an optimal technical scheme of the utility model, the buffer layer is located the cavity, the material of buffer layer is rubber granule.

As a preferred technical scheme of the utility model, the blotter is the U-shaped, the material of blotter is rubber, and the blotter of U-shaped can be laminated completely with the crossbeam when the planking receives great collision impact.

As a preferred technical scheme of the utility model, buffer structure includes connecting rod, spacing piece, activity groove and buffer spring, the planking is close to one side fixedly connected with connecting rod of crossbeam, the spacing piece of tip fixedly connected with of connecting rod, the activity groove has been seted up to the inside of crossbeam, spacing piece is located the activity inslot portion, the cover has buffer spring on the connecting rod, buffer spring is located between planking and the crossbeam, through connecting rod, spacing piece, activity groove and buffer spring's setting, can cushion the collision impact that the planking received to improve the effect of buffering protection, thereby reduce the loss that the collision caused.

As a preferred technical scheme of the utility model, set up on the crossbeam with the recess of gasbag and gas generator looks adaptation, through the setting of recess, can conveniently place gasbag and gas generator.

As a preferred technical scheme of the utility model, limit structure includes fixed block and spout, the inboard fixedly connected with fixed block of planking, the spout has been seted up to the both sides of crossbeam, fixed block and spout sliding connection through the setting of fixed block and spout, can receive the collision when assaulting at the planking, lead and spacing to the removal of planking.

The utility model has the advantages that: the utility model discloses a buffer layer, blotter and buffer structure's cooperation setting, buffer layer and buffer structure can cushion the collision impact that the planking received, and the buffer layer plays the effect of absorbing the collision energy, and the blotter of U-shaped simultaneously can be laminated completely with the crossbeam when the planking receives great collision impact to cushion the protection to the contact surface of planking and crossbeam; through the gasbag, gas generator and collision sensor's cooperation sets up, can receive the collision impact at the planking and make when blotter and collision sensor contact, collision sensor will collide signal transmission to vehicle control system, thereby make gas generator open rapidly, gas generator and then make the gasbag expand rapidly in the space between planking and crossbeam, and jack-up buffer structure, the gasbag plays the effect of buffer protection, thereby reduce the loss that the collision caused, whole device has multiple buffering mode simultaneously, the effect of buffer protection has been improved.

Drawings

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

FIG. 2 is a schematic view of the cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic view of the a position of the present invention.

In the figure: 1. an outer plate; 2. a cross beam; 3. a buffer layer; 4. a cushion pad; 5. a buffer structure; 501. a connecting rod; 502. a limiting sheet; 503. a movable groove; 504. a buffer spring; 6. an air bag; 7. a gas generator; 8. a collision sensor; 9. a limiting structure; 901. a fixed block; 902. a chute; 10. a cavity; 11. and (6) a groove.

Detailed Description

Example 1

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to fig. 3, the utility model discloses an air bag type automobile bumper, which adopts the technical proposal that the bumper comprises an outer plate 1 and a cross beam 2, the inner side of the outer plate 1 is movably connected with the cross beam 2, in order to absorb the energy of the collision impact of the outer plate 1, a cavity 10 is arranged inside the U-shaped outer plate 1, a buffer layer 3 made of rubber particles is filled in the cavity 10, the rubber particles can absorb the collision energy, in order to buffer the collision impact received by the outer plate 1, one side of the outer plate 1 close to the cross beam 2 is fixedly connected with a plurality of connecting rods 501, the end part of each connecting rod 501 is fixedly connected with a limit plate 502, a movable groove 503 is arranged inside the cross beam 2, the limit plate 502 is positioned inside the movable groove 503, the connecting rods 501 are sleeved with buffer springs 504, the buffer springs 504 are positioned between the outer plate 1 and the cross beam 2, when the outer plate 1 is collided to drive the connecting rods 501 and the limit plates 502 to approach the cross beam 2, the buffer spring 504 plays a role of buffer protection, the buffer cushion 4 is fixedly connected to the inner side of the outer plate 1, the U-shaped buffer cushion 4 can protect the contact surface of the outer plate 1 and the cross beam 2, in order to further improve the buffer effect, the air bag 6 and the gas generator 7 are arranged in the groove 11 on the cross beam 2, the two collision sensors 8 are arranged on one side of the cross beam 2 close to the outer plate 1, the gas generator 7 and the collision sensors 8 are connected into an automobile control system, when the collision impact is large so that the buffer cushion 4 is contacted with the collision sensors 8, the gas generator 7 is automatically opened, the air bag 6 is rapidly expanded in the gap between the outer plate 1 and the cross beam 2, the air bag 6 plays a role of buffer protection, in addition, in order to enable the outer plate 1 to be smoothly moved towards the cross beam 2 when being collided, the fixed block 901 is fixedly connected to the inner side of the outer plate 1, the sliding grooves 902 are formed in two sides of the cross beam 2, the fixing block 901 is connected with the sliding grooves 902 in a sliding mode, and the outer plate 1 drives the fixing block 901 to move stably along the sliding grooves 902.

The utility model discloses a theory of operation: when the outer plate 1 is impacted less, the buffer layer 3 in the cavity 10 can absorb part of the collision energy, the outer plate 1 then drives the connecting rod 501 and the limiting sheet 502 to approach the movable groove 503, and the buffer spring 504 plays a role in buffer protection; when the outer plate 1 is impacted greatly, the outer plate 1 drives the U-shaped cushion 4 to be completely attached to the cross beam 2 and protects the contact surface of the outer plate 1 and the cross beam 2, at the moment, the cushion 4 is contacted with the collision sensor 8, the gas generator 7 in the groove 11 is automatically started, the gas bag 6 is rapidly expanded in a gap between the outer plate 1 and the cross beam 2, and the gas bag 6 further improves the buffer protection effect; further, when the outer panel 1 moves toward the cross beam 2, the fixing block 901 moves smoothly along the sliding groove 902, thereby limiting and guiding the movement of the outer panel 1.

The circuit and mechanical connections of the present invention are conventional means used by those skilled in the art, and can be suggested by limited tests, which are common knowledge.

Components not described in detail herein are prior art.

Although the specific embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations that do not have creative work are still within the scope of the present invention.

Claims (7)

1. The utility model provides a gasbag formula car bumper, includes planking (1) and crossbeam (2), the inboard swing joint of planking (1) has crossbeam (2), its characterized in that: the inside of planking (1) is provided with buffer layer (3), inboard fixedly connected with blotter (4) of planking (1), be connected with multiunit buffer structure (5) between planking (1) and crossbeam (2), one side that crossbeam (2) are close to planking (1) is provided with a plurality of gasbags (6), every all be connected with gas generator (7) on gasbag (6), one side that crossbeam (2) are close to planking (1) is provided with two collision sensor (8), be provided with limit structure (9) between crossbeam (2) both sides and planking (1).

2. An air-bag type automobile bumper according to claim 1, characterized in that: the outer plate (1) is U-shaped, and a cavity (10) is formed in the outer plate (1).

3. An air-bag type automobile bumper according to claim 2, characterized in that: the buffer layer (3) is located in the cavity (10), and the buffer layer (3) is made of rubber particles.

4. An air-bag type automobile bumper according to claim 1, characterized in that: the buffer pad (4) is U-shaped, and the buffer pad (4) is made of rubber.

5. A vehicle bumper of the airbag type according to claim 1, wherein: buffer structure (5) are including connecting rod (501), spacing piece (502), activity groove (503) and buffer spring (504), planking (1) is close to one side fixedly connected with connecting rod (501) of crossbeam (2), the tip fixedly connected with spacing piece (502) of connecting rod (501), activity groove (503) have been seted up to the inside of crossbeam (2), spacing piece (502) are located inside activity groove (503), the cover has buffer spring (504) on connecting rod (501), buffer spring (504) are located between planking (1) and crossbeam (2).

6. A vehicle bumper of the airbag type according to claim 1, wherein: the beam (2) is provided with a groove (11) matched with the air bag (6) and the gas generator (7).

7. An air-bag type automobile bumper according to claim 1, characterized in that: the limiting structure (9) comprises a fixing block (901) and sliding grooves (902), the fixing block (901) is fixedly connected to the inner side of the outer plate (1), the sliding grooves (902) are formed in two sides of the cross beam (2), and the fixing block (901) is in sliding connection with the sliding grooves (902).

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