CN211166771U

CN211166771U - Bumper with buffer function

Info

Publication number: CN211166771U
Application number: CN201921604843.7U
Authority: CN
Inventors: 李宏亮; 潘红艳; 李万荣
Original assignee: Jiangsu Yujia Machinery Manufacturing Co ltd
Current assignee: Jiangsu Yujia Machinery Manufacturing Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-08-04
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a bumper with buffer function, the connecting plate comprises a connecting plate, one side of connecting plate is fixed with the buffering bag, one side of buffering bag is fixed with the bumper body, one side of bumper body is rotated and is connected with four first dwang, the buffering bag is located between four first dwang, the one end of first dwang is rotated and is connected with the second dwang, be equipped with resetting means between first dwang and the second dwang jointly, the lower extreme of second dwang is fixed with the second fixed block. The utility model discloses a damage that receives behind the multiple absorbing mode reduction bumper device avoids directly damaging behind the bumper striking object, has increased the anti striking performance of bumper, and can avoid producing the sunken unable circumstances that resets after slight striking, can reduce the effort that the automobile body receives after the bumper striking, avoids the automobile body to receive great vibrations and leads to the car that goes at a high speed out of control, has improved the security.

Description

Bumper with buffer function

Technical Field

The utility model relates to the technical field of auto-parts, especially, relate to a bumper with buffer function.

Background

With the improvement of living standard of people, people consume more and more automobiles, and the market of automobile parts becomes larger and larger. In recent years, automobile parts manufacturers have been rapidly developing, and an automobile bumper is one of the automobile parts, and is a safety device for absorbing and alleviating external impact force and protecting the front and rear parts of an automobile body. The front and rear bumpers of the automobile are stamped into channel steel by steel plates and riveted or welded with the frame longitudinal beam for many years, and a large gap is reserved between the channel steel and the automobile body, so that the front and rear bumpers of the automobile are quite unattractive. With the development of the automobile industry and the extensive use of engineering plastics in the automobile industry, automobile bumpers have also been revolutionized as an important safety device. The front and rear bumpers of the sedan car of today are required to be harmonious and unified with the shape of the car body and to be light in weight in itself, besides maintaining the original protection function. The front and rear bumpers of a car are all made of plastic and are called plastic bumpers. The plastic bumper of a common automobile consists of three parts, namely 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 the cushioning material are attached to the cross member.

The current bumper is mostly buffered and damped through the material of the bumper, when the impact force of the automobile is too large, the automobile cannot be protected only by the buffer function of the material of the bumper, the automobile body is out of control due to the fact that the force is large, and safety of people in the automobile is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a bumper with a buffering function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a bumper with a buffering function comprises a connecting plate, wherein a buffering bag is fixed on one side of the connecting plate, a bumper body is fixed on one side of the buffering bag, four first rotating rods are connected to one side of the bumper body in a rotating mode, the buffering bag is located between the four first rotating rods, one end of each first rotating rod is connected with a second rotating rod in a rotating mode, a resetting device is arranged between the first rotating rod and the second rotating rod, a second fixing block is fixed at the lower end of each second rotating rod, one end of each second fixing block is fixed on one side of the connecting plate, the two second fixing blocks on the same side are in a group, fixing rods are fixed on the opposite sides of the two second fixing blocks in the same group, a first fixing block is fixed between the two fixing rods, one end of the first fixing block is fixed on one side of the connecting plate, and a buffering device is arranged on the first fixing block, and a mounting device is fixed on the other side of the connecting plate.

Preferably, buffer is including fixing the attenuator in second fixed block one end, the piston rod end of attenuator is fixed in one side of bumper body, the cover is equipped with first spring on the attenuator, the one end at the second fixed block is fixed to the one end of first spring, the one side at the bumper body is fixed to the other end of first spring, the cover is equipped with a removal section of thick bamboo on the dead lever, one side of a removal section of thick bamboo is rotated and is connected with the connecting rod, the one end of connecting rod is rotated and is connected in one side of bumper body, the cover is equipped with the second spring on the dead lever, one side at the second fixed block is fixed to the one end of second spring, the one end at a removal section of thick bamboo is fixed to the other end of second spring.

Preferably, the installation device is including running through a plurality of guide bars of setting on the connecting plate, and the one end of a plurality of guide bars all is fixed with the stopper, and the other end of a plurality of guide bars is fixed with the mounting panel jointly, be fixed with the gasbag jointly between mounting panel and the connecting plate, be equipped with a plurality of through-holes on the mounting panel, be equipped with the bolt in the through-hole.

Preferably, the resetting device comprises a connecting cylinder rotatably connected to one side of the second rotating rod, a third spring is fixed at the bottom in the connecting cylinder, a moving block is fixed at one end of the third spring, a moving rod is fixed at the upper end of the moving block, one end of the moving rod penetrates through the connecting cylinder and extends to one end of the connecting cylinder, and the moving rod is rotatably connected to one side of the first rotating rod.

Preferably, the connecting plate, the two first fixing blocks and the four second fixing blocks are integrally formed.

Preferably, the bumper body is made of a nano PP composite material.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the matching between the buffer device and the reset device, the buffer and shock absorption of the bumper body are facilitated, the damage to the bumper device after the bumper device is reduced by adopting a multiple shock absorption mode, and the bumper is prevented from being directly damaged after impacting an object;

2. through the matching between the buffer bag and the mounting device, the acting force borne by the vehicle body can be reduced after the bumper is impacted, and the vehicle body is prevented from being out of control due to large vibration;

to sum up, this device adopts the injury that receives behind the multiple absorbing mode reduction bumper device, avoids directly damaging behind the bumper striking object, has increased the anti striking performance of bumper, and can avoid producing the condition that sunken unable reseing after slight striking, can reduce the effort that the automobile body received after the bumper striking, avoids the automobile that the automobile body received great vibrations and leads to high-speed driving out of control, has improved the security.

Drawings

Fig. 1 is a schematic structural view of a bumper body of a bumper with a buffering function according to the present invention;

fig. 2 is a schematic view of an airbag structure of a bumper with a buffering function according to the present invention;

fig. 3 is a schematic view of an internal structure of a connecting cylinder of a bumper with a buffering function according to the present invention.

In the figure: the bumper comprises a bumper body 1, a first spring 2, a damper 3, a first rotating rod 4, a second rotating rod 5, a connecting plate 6, an air bag 7, a guide rod 8, a bolt 9, a first fixing block 10, a connecting rod 11, a moving cylinder 12, a connecting cylinder 13, a second spring 14, a fixing rod 15, a second fixing block 16, a limiting block 17, a buffer bag 18, a moving rod 19, a moving block 20, a third spring 21 and a mounting plate 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a bumper with buffer function, including connecting plate 6, one side of connecting plate 6 is fixed with buffer bag 18, one side of buffer bag 18 is fixed with bumper body 1, bumper body 1 adopts nanometer PP combined material to make, the plasticity is stronger, conveniently reset, and can reduce cost, one side of bumper body 1 is rotated and is connected with four first dwang 4, buffer bag 18 is located between four first dwang 4, the one end of first dwang 4 is rotated and is connected with second dwang 5, be equipped with resetting means between first dwang 4 and the second dwang 5 jointly, can cushion bumper body 1 through resetting means, can drive bumper body 1 simultaneously and reset, it can't reset to have avoided the sunken of bumper body 1.

The utility model discloses in, the lower extreme of second dwang 5 is fixed with second fixed block 16, one side at connecting plate 6 is all fixed to the one end of second fixed block 16, two second fixed blocks 16 with one side are a set of, relative one side with two second fixed blocks 16 in a set of all is fixed with dead lever 15, be fixed with first fixed block 10 between two dead levers 15 jointly, connecting plate 6, two first fixed blocks 10 and four 16 integrated into one piece of second fixed block, convenient processing, one end at first fixed block 10 is fixed in one side of connecting plate 6, be equipped with buffer on first fixed block 10, the opposite side of connecting plate 6 is fixed with installation device, can install the bumper fast through installation device, can cushion bumper body 1 through buffer, the anti striking performance of bumper has been increased.

In the utility model, the buffer device comprises a damper 3 fixed at one end of a second fixed block 16, the end of a piston rod of the damper 3 is fixed at one side of a bumper body 1, a first spring 2 is sleeved on the damper 3, one end of the first spring 2 is fixed at one end of the second fixed block 16, the other end of the first spring 2 is fixed at one side of the bumper body 1, a moving cylinder 12 is sleeved on a fixed rod 15, one side of the moving cylinder 12 is rotatably connected with a connecting rod 11, one end of the connecting rod 11 is rotatably connected at one side of the bumper body 1, a second spring 14 is sleeved on the fixed rod 15, one end of the second spring 14 is fixed at one side of the second fixed block 16, the other end of the second spring 14 is fixed at one end of the moving cylinder 12, a third rotating rod 11 is extruded to drive the moving cylinder 12 to move, thereby pressing the second spring 14 for buffering, and the damper 3 can reduce the vibration intensity of the bumper 1.

The utility model discloses in, the installation device is including running through a plurality of guide bars 8 of setting on connecting plate 6, the one end of a plurality of guide bars 8 all is fixed with stopper 17, the other end of a plurality of guide bars 8 is fixed with mounting panel 22 jointly, be fixed with gasbag 7 between mounting panel 22 and the connecting plate 6 jointly, be equipped with a plurality of through-holes on the mounting panel 22, be equipped with bolt 9 in the through-hole, can install the bumper fast through bolt 9, can reduce the effort that the automobile body receives through gasbag 7, avoid the automobile body to receive great vibrations and lead to the car out of control of high-speed traffic.

Resetting means is including rotating connecting at the connecting cylinder 13 of second dwang 5 one side, bottom in the connecting cylinder 13 is fixed with third spring 21, the one end of third spring 21 is fixed with movable block 20, the upper end of movable block 20 is fixed with carriage release lever 19, the one end of carriage release lever 19 runs through connecting cylinder 13 and extends to the one end of connecting cylinder 13, carriage release lever 19 rotates and connects the one side at first dwang 4, first dwang 4 receives to drive carriage release lever 19 after the extrusion and removes, thereby drive movable block 20 and remove, movable block 20 extrudees third spring 21, thereby can cushion, conveniently drive bumper body 1 simultaneously and reset, avoid bumper body 1 sunken.

In the utility model, when in use, the bumper can be quickly installed through the bolt 9, when the bumper body 1 collides with an object, the bumper body 1 extrudes the buffer bag 18, the first rotating rod 4, the third rotating rod 11 and the damper 3, the first rotating rod 4 is extruded to drive the moving rod 19 to move so as to drive the moving block 20 to move, the moving block 20 extrudes the third spring 21 so as to buffer, the third rotating rod 11 is extruded to drive the moving cylinder 12 to move so as to extrude the second spring 14 to buffer, the damper 3 can reduce the vibration intensity of the bumper 1, the bumper body 1 can be buffered and damped through the matching among the first spring 3, the second spring 14, the third spring 21 and the damper 3, the acting force of a vehicle body can be reduced through the matching between the buffer bag 18 and the air bag 7 after the bumper strikes, the vehicle body is prevented from being out of control due to the fact that the vehicle body is subjected to large vibration and runs at a high speed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A bumper with a buffering function comprises a connecting plate (6), and is characterized in that: one side of connecting plate (6) is fixed with buffering bag (18), one side of buffering bag (18) is fixed with bumper body (1), one side of bumper body (1) is rotated and is connected with four first dwang (4), buffering bag (18) are located between four first dwang (4), the one end of first dwang (4) is rotated and is connected with second dwang (5), be equipped with resetting means between first dwang (4) and second dwang (5) jointly, the lower extreme of second dwang (5) is fixed with second fixed block (16), the one end of second fixed block (16) is all fixed in one side of connecting plate (6), and two second fixed block (16) of same side are a set of, and relative one side of two second fixed blocks (16) of the same set of internal all is fixed with dead lever (15), is fixed with first fixed block (10) jointly between two dead lever (15), one end of the first fixing block (10) is fixed on one side of the connecting plate (6), a buffering device is arranged on the first fixing block (10), and a mounting device is fixed on the other side of the connecting plate (6).

2. The bumper with the buffering function according to claim 1, wherein the buffering device comprises a damper (3) fixed at one end of a second fixed block (16), the end of a piston rod of the damper (3) is fixed at one side of the bumper body (1), a first spring (2) is sleeved on the damper (3), one end of the first spring (2) is fixed at one end of the second fixed block (16), the other end of the first spring (2) is fixed at one side of the bumper body (1), a moving cylinder (12) is sleeved on the fixed rod (15), one side of the moving cylinder (12) is rotatably connected with a connecting rod (11), one end of the connecting rod (11) is rotatably connected at one side of the bumper body (1), a second spring (14) is sleeved on the fixed rod (15), one end of the second spring (14) is fixed at one side of the second fixed block (16), the other end of the second spring (14) is fixed at one end of the movable cylinder (12).

3. The bumper with the buffering function according to claim 1, wherein the mounting device comprises a plurality of guide rods (8) penetrating through the connecting plate (6), a limiting block (17) is fixed at one end of each guide rod (8), a mounting plate (22) is fixed at the other end of each guide rod (8), the air bag (7) is fixed between the mounting plate (22) and the connecting plate (6), a plurality of through holes are formed in the mounting plate (22), and bolts (9) are arranged in the through holes.

4. The bumper with the buffering function according to claim 1, wherein the resetting device comprises a connecting cylinder (13) rotatably connected to one side of the second rotating rod (5), a third spring (21) is fixed to the bottom inside the connecting cylinder (13), a moving block (20) is fixed to one end of the third spring (21), a moving rod (19) is fixed to the upper end of the moving block (20), one end of the moving rod (19) penetrates through the connecting cylinder (13) and extends to one end of the connecting cylinder (13), and the moving rod (19) is rotatably connected to one side of the first rotating rod (4).

5. A bumper with a cushioning function according to claim 1, wherein the connecting plate (6), the two first fixing blocks (10) and the four second fixing blocks are integrally formed.

6. The bumper with the buffering function according to claim 1, wherein the bumper body (1) is made of nano-PP composite material.