CN220483237U

CN220483237U - Impact-resistant bumper for automobile

Info

Publication number: CN220483237U
Application number: CN202321878727.0U
Authority: CN
Inventors: 陈步郎; 彭至尊; 孙丽君; 胡林
Original assignee: Changzhou Changming Plastic Instrument Co ltd
Current assignee: Changzhou Changming Plastic Instrument Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-02-13
Anticipated expiration: 2033-07-18

Abstract

The utility model relates to an anti-collision bumper for an automobile, which comprises a bumper body, wherein a grid mesh is arranged at the center of the bumper body, side wings are rolled backwards at the top ends of the left side and the right side of the bumper body, a reinforcing component is arranged at the back of the bumper body, a connecting rod is arranged at the back of the bumper body, an anti-collision device is arranged between the bumper body and the connecting rod, the anti-collision device comprises a connecting block and a pressure rod, one side, close to the connecting rod, of the connecting block is connected with the connecting rod, a cavity is arranged in the connecting block, one side, close to the bumper body, of the connecting block is provided with an opening, a spring is sleeved on the outer side wall of the pressure rod and is pressed on the back of the connecting block and the bumper body, an air outlet is formed in the side wall, which is far away from the pressure rod, and an air bag is arranged at the back of the bumper body.

Description

Impact-resistant bumper for automobile

Technical Field

The utility model belongs to the technical field of collision bumpers, and particularly relates to a collision-preventing bumper for an automobile.

Background

The automobile bumper is a safety device for absorbing and relieving external impact force and protecting the front and rear parts of the automobile body. For many years, front and rear bumpers of automobiles are stamped into channel steel by using steel plates, are riveted or welded together with frame longitudinal beams, have a large gap with an automobile body and are quite unsightly. With the development of the automobile industry and the large application of engineering plastics in the automobile industry, automobile bumpers are also moving to an innovative road as an important safety device, and the front and rear bumpers of the current sedans not only keep the original protection function, but also are harmonious and unified with the body shape, and are required to be light in weight. The front and rear bumpers of a car are made of plastic, which is called a plastic bumper, and the plastic bumper of a general car consists of an outer plate, a buffer material and a 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 plates and cushioning material are attached to the cross beam.

In carrying out the present application, the inventors have found that at least the following problems exist in this technology: when the automobile is impacted, the buffer performance of the front bumper of the automobile is insufficient; when an automobile is scratched, the automobile is generally arranged on two sides of a bumper, and after the automobile is scratched, the maintenance cost is high; therefore, further improvement can be made.

Disclosure of Invention

Aiming at the problem that in the prior art, when an automobile is impacted, the buffer performance of the front bumper of the automobile is insufficient; when an automobile is scratched, the problems of high maintenance cost and high maintenance cost generally occur at two sides of the bumper.

The technical scheme adopted for solving the technical problems is as follows:

the bumper comprises a bumper body, wherein a grid net is arranged at the center of the bumper body, side wings are backwards rolled at the top ends of the left side and the right side of the bumper body, a reinforcing component which can be outwards opened is arranged at one side of the back of the bumper body corresponding to the grid net, connecting rods which are correspondingly arranged along the left side and the right side of the bumper body are arranged at the back of the bumper body, and an anti-collision device for buffering the bumper body is arranged between the bumper body and the connecting rods;

the anti-collision device comprises a connecting block and a pressure bar, wherein the connecting block and the pressure bar are arranged between the bumper body and the connecting rod, one side, close to the connecting rod, of the connecting block is connected with the connecting rod, one side, close to the back of the bumper body, of the pressure bar is connected with the bumper body, a cavity is formed in the connecting block, an opening is formed in one side, close to the bumper body, of the connecting block, one side, close to the connecting block, of the pressure bar penetrates through the pressure bar to be inserted into the cavity, a limiting plate with the width larger than the opening width is arranged in the connecting block, one side, close to the pressure bar, of the limiting plate is connected with the pressure bar, a spring is sleeved on the outer side wall of the pressure bar, the spring is pressed on the back of the connecting block and the back of the bumper body, an air outlet is formed in the side wall, far away from the pressure bar, of the air outlet is communicated with an air outlet pipe, and an air bag communicated with the air outlet pipe is formed in the back of the bumper body.

Further, the connecting block inside wall all is equipped with spacing spout with the corresponding both sides of limiting plate, limiting plate both sides are inserted into spacing spout inside and are moved towards one side of gas outlet in spacing spout inside along with the promotion of depression bar, the inside open-ended one side of keeping away from of connecting block is equipped with pressure sensor, when the limiting plate removes touching pressure sensor, the inside alarm that can produce of car.

Furthermore, the joint of the two sides of the limiting plate and the inner side wall of the connecting block is provided with a sealing layer for preventing air leakage.

Further, the reinforcing component comprises a reinforcing plate which is arranged on the back of the bumper body and corresponds to the grid net, the reinforcing plate and the grid net can be rotated to the back of the bumper body through a plurality of rotating parts, reinforcing frames matched with the reinforcing plate are arranged on other side walls of the reinforcing plate, which are not provided with rotating parts, and the reinforcing frames are connected with the bumper body which corresponds to the grid net through a plurality of buckles towards one side of the grid net.

Further, the buckle is including setting up the spliced pole in reinforcing frame orientation grid one side, spliced pole orientation grid one side circumference distributes and has a plurality of clamping jaws, and every clamping jaw top all is connected with spliced pole orientation grid one side, and the clamping jaw top sets up along spliced pole one end slope, clamping jaw end and spliced pole parallel arrangement, bumper body back is equipped with a plurality of grafting grooves that hold the buckle and peg graft, extrudees clamping jaw orientation spliced pole one side, loosens the clamping jaw after passing the grafting groove, and clamping jaw tail end is directly greater than the grafting groove, realizes the joint.

Furthermore, the connection part of the side wings and the bumper body is sprayed with wear-resistant paint.

The beneficial effects of the utility model are as follows:

1. the reinforcing plate comprises the reinforcing rib which adopts the cross distribution of the ultra-high strength steel, has a certain baffle effect when the grid net collides under the premise of not affecting the ventilation of the grid net, plays a role in protecting other parts in the automobile, and is more convenient and quicker to install through the buckle.

2. When the bumper body received the striking, promote the depression bar and remove towards the inside cavity of connecting block, spring compression, the depression bar drives the limiting plate and removes in spacing spout, one side that the opening was kept away from to spacing spout is not contacted with the gas outlet, prevent that the limiting plate from removing too much and causing the damage to the gas outlet, when the bumper body slightly collides, the limiting plate is removing towards the gas outlet, the inside air of connecting block cavity receives the extrusion and enters into the outlet duct from the gas outlet and alleviate through the inflation of gasbag at last, when the impact force that the bumper body received is great, the limiting plate contacts pressure sensor, the inside controller of car accepts the signal and conveys, the inside siren that is equipped with of car carries out the early warning to the driver.

Drawings

The foregoing and other objects, features, and advantages of the utility model will become apparent from the following detailed description taken in conjunction with the accompanying drawings.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a reinforcement assembly according to the present utility model;

FIG. 3 is a schematic view of a buckle structure according to the present utility model;

FIG. 4 is a schematic view of the structure of the connecting rod and impact device of the present utility model;

FIG. 5 is a schematic view of an impact device according to the present utility model;

wherein: 1. a bumper body; 2. a grid mesh; 3. a side wing; 4. a reinforcement assembly; 401. a reinforcing plate; 402. a rotating member; 403. a reinforcing frame; 404. a buckle; 405. a connecting column; 406. a clamping jaw; 407. a plug-in groove; 5. a connecting rod; 6. an anti-collision device; 601. a connecting block; 602. a compression bar; 603. a cavity; 604. an opening; 605. a limiting plate; 606. a spring; 607. an air outlet; 608. an air outlet pipe; 609. an air bag; 610. limiting sliding grooves; 611. a pressure sensor; 612. a sealing layer; 7. wear-resistant paint.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1-3, the utility model includes a bumper body 1, a grid 2 is disposed at the center of the bumper body 1, a reinforcing component 4 capable of being opened outwards is disposed on a side, corresponding to the grid 2, of the back of the bumper body 1, the reinforcing component 4 includes a reinforcing plate 401 disposed on the back of the bumper body 1 and corresponding to the grid 2, the reinforcing plate 401 and the grid 2 can be opened by rotating the reinforcing plate 401 toward the back of the bumper body 1 through a plurality of rotating members 402, a reinforcing frame 403 matched with the reinforcing plate 401 is disposed on other side walls, not provided with rotating members 402, of the reinforcing plate 401, the side, facing the grid 2, of the reinforcing frame 403 is connected with the bumper body 1, corresponding to the grid 2, through a plurality of clamping jaws 404, the clamping jaws 405 are disposed on the side, facing the grid 2, of the connecting jaws 405 are circumferentially distributed on the side, facing the grid 2, the connecting jaws 405 are disposed on the top of each of the connecting jaws 406, the top ends of the connecting jaws 405 are disposed in an inclined manner along one end of the connecting posts 405, the tail ends of the clamping jaws 406 are disposed in parallel to the connecting jaws 405, the rear of the bumper body 1 are disposed on the rear of the connecting jaws 405, and the clamping jaws 405 are disposed on the rear of the connecting jaws 405, and the clamping jaws 405 are directly pressed by a plurality of clamping jaws 405 are formed by clamping jaws to be connected by clamping jaws 407, and the clamping jaws 407, and clamping jaws 406 are directly clamped by clamping jaws and clamping jaws 406.

The reinforcing plate 401 is composed of reinforcing ribs which are cross-distributed and made of ultra-high strength steel, and has a certain blocking effect when the grid net 2 collides under the premise of not affecting the ventilation of the grid net 2, so that other parts in the automobile are protected, and the automobile is more convenient and quicker to install through the buckles 404.

Referring to fig. 4-5, the back of the bumper body 1 is provided with a connecting rod 5 correspondingly placed along the left side and the right side of the bumper body 1, a collision preventing device 6 for buffering the bumper body 1 is arranged between the bumper body 1 and the connecting rod 5, the collision preventing device 6 comprises a connecting block 601 and a pressure rod 602 which are arranged between the bumper body 1 and the connecting rod 5, one side of the connecting block 601, which is close to the connecting rod 5, is connected with the connecting rod 5, one side of the pressure rod 602, which is close to the back of the bumper body 1, is connected with the bumper body 1, a cavity 603 is arranged in the connecting block 601, one side of the pressure rod 602, which is close to the connecting block 601, is inserted into the cavity 603 through the pressure rod 602, a limiting plate 605 with a width larger than the width of the opening 604 is arranged in the connecting block 601, one side of the limiting plate 605, which is close to the pressure rod 602 is connected with the pressure rod 602, a spring 606 is sleeved on the outer side wall of the pressure rod 602, the spring 606 is pressed on the back of the connecting block 601 and the bumper body 1, an air outlet 607 is arranged on the side wall, which is close to the connecting block 607 is communicated with the air outlet 608, an air bag 609 communicated with the air outlet 608 is arranged on the back of the bumper body 1, two sides of the limiting plate 601 are connected with a sealing layer 612, which is connected with the connecting block 612.

Referring to fig. 5, both sides of the inner side wall of the connection block 601 corresponding to the limiting plate 605 are respectively provided with a limiting chute 610, both sides of the limiting plate 605 are inserted into the limiting chute 610 and move towards one side of the air outlet 607 in the limiting chute 610 along with the pushing of the compression bar 602, one side of the connection block 601 away from the opening 604 is provided with a pressure sensor 611, and when the limiting plate 605 moves to touch the pressure sensor 611, an alarm is generated in the automobile.

When the bumper body 1 is impacted, the compression bar 602 is pushed to move towards the cavity 603 inside the connecting block 601, the spring 606 is compressed, the compression bar 602 drives the limiting plate 605 to move in the limiting sliding groove 610, one side, away from the opening 604, of the limiting sliding groove 610 is not in contact with the air outlet 607, the limiting plate 605 is prevented from moving too much to damage the air outlet 607, when the bumper body 1 is slightly impacted, the limiting plate 605 moves towards the air outlet 607, air inside the cavity 603 of the connecting block 601 is extruded to enter the air outlet pipe 608 from the air outlet 607 and finally is relieved through the expansion of the air bag 609, when the impact force borne by the bumper body 1 is large, the limiting plate 605 is in contact with the pressure sensor 611, the controller inside the automobile receives signals and transmits the signals, and an alarm is arranged inside the automobile to warn a driver.

In embodiment 2, referring to fig. 1, the top ends of the left and right sides of the bumper body 1 are rolled backwards to form side wings 3, the connection part of the side wings 3 and the bumper body 1 is sprayed with wear-resistant paint 7, the connection part of the side wings 3 and the bumper body 1 is easy to collide and wear, and the wear-resistant paint 7 plays a certain role in wear resistance.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, but any simple modification or equivalent variation of the above embodiment according to the technology of the present utility model falls within the scope of the present utility model.

Claims

1. A bumper is hit in scour protection for car, its characterized in that: the bumper comprises a bumper body (1), a grid net (2) is arranged at the center of the bumper body (1), side wings (3) are backwards rolled at the top ends of the left side and the right side of the bumper body (1), a reinforcing component (4) which can be outwards opened is arranged at one side, corresponding to the grid net (2), of the back of the bumper body (1), connecting rods (5) which are correspondingly arranged along the left side and the right side of the bumper body (1) are arranged at the back of the bumper body (1), and an anti-collision device (6) for buffering the bumper body (1) is arranged between the bumper body (1) and the connecting rods (5);

the anti-collision device (6) comprises a connecting block (601) and a pressure bar (602) which are arranged between a bumper body (1) and a connecting rod (5), one side, close to the connecting rod (5), of the connecting block (601) is connected with the connecting rod (5), one side, close to the back of the bumper body (1), of the pressure bar (602) is connected with the bumper body (1), a cavity (603) is formed in the connecting block (601), one side, close to the bumper body (1), of the connecting block (601) is provided with an opening (604), one side, close to the connecting block (601), of the pressure bar (602) is inserted into the cavity (603) through the pressure bar (602), a limiting plate (605) with the width larger than the width of the opening (604) is arranged in the connecting block (601), one side, close to the pressure bar (602), of the limiting plate (605) is connected with the pressure bar (602), a spring (606) is sleeved on the outer side wall of the pressure bar (602), the spring (606) is pressed on the back of the bumper body (601), one side wall, close to the pressure bar (607) is provided with an air outlet (607), on the side wall, far from the pressure bar (607), of the air outlet (602), and communicated with the air outlet (608), an air bag (609) communicated with the air outlet pipe (608) is arranged on the back surface of the bumper body (1).

2. The impact bumper for an automobile according to claim 1, wherein: the inside wall of connecting block (601) all is equipped with spacing spout (610) with the corresponding both sides of limiting plate (605), limiting plate (605) both sides are pegged graft inside spacing spout (610) and are moved towards one side of gas outlet (607) in spacing spout (610) inside along with the promotion of depression bar (602), one side that opening (604) was kept away from to connecting block (601) inside is equipped with pressure sensor (611), when limiting plate (605) moved to touching pressure sensor (611), the inside alarm that can produce of car.

3. The impact bumper for an automobile according to claim 2, wherein: sealing layers (612) for preventing air leakage are arranged at the connection positions of the two sides of the limiting plate (605) and the inner side walls of the connecting blocks (601).

4. The impact bumper for an automobile according to claim 1, wherein: the reinforcing component (4) comprises a reinforcing plate (401) which is arranged on the back of the bumper body (1) and corresponds to the grid mesh (2), the reinforcing plate (401) and the grid mesh (2) can be rotated to the back of the bumper body (1) to be opened through a plurality of rotating parts (402), reinforcing frames (403) which are matched with the reinforcing plate (401) are arranged on other side walls of the reinforcing plate (401) without the rotating parts (402), and the reinforcing frames (403) are connected with the bumper body (1) which corresponds to the grid mesh (2) through a plurality of buckles (404) towards one side of the grid mesh (2).

5. The impact bumper for an automobile according to claim 4, wherein: the buckle (404) is including setting up spliced pole (405) in reinforcing frame (403) orientation grid mesh (2) one side, spliced pole (405) orientation grid mesh (2) one side circumference distributes and has a plurality of clamping jaws (406), every clamping jaw (406) top all is connected towards one side of grid mesh (2) with spliced pole (405), clamping jaw (406) top sets up along spliced pole (405) one end slope, clamping jaw (406) end and spliced pole (405) parallel arrangement, bumper body (1) back is equipped with a plurality of grafting groove (407) that hold buckle (404) grafting, extrudes clamping jaw (406) orientation spliced pole (405) one side, loosens clamping jaw (406) after passing spliced groove (407), clamping jaw (406) tail end is directly greater than spliced groove (407), realizes the joint.

6. The impact bumper for an automobile according to claim 1, wherein: the connection part of the side wing (3) and the bumper body (1) is sprayed with wear-resistant paint (7).