Automobile bumper with good energy absorption effect

Abstract

The automobile bumper with the good energy absorption effect comprises a bumper body, a groove is formed in one side of the bumper body, an air inlet grille is fixedly connected into the groove, a connecting frame is arranged on one side of the bumper body, and two connecting bases are fixedly connected to the side, opposite to the bumper body, of the connecting frame. Wherein two connecting seats are rotatably connected with a first section arm through a rotating shaft, the first section arm is rotatably connected with a second section arm through a first rotating shaft, the second section arm is rotatably connected with the other two connecting seats through a rotating shaft, and the connecting frame is fixedly connected with a reinforcing rib. Buffering air bags provide buffering for the two side edges of the bumper body, clamping plates and arc-shaped rods which can move relatively are installed on the front face of the buffering frame body, the clamping plates and the arc-shaped rods can be matched with springs to provide front face buffering, and the energy absorption effect of the automobile bumper is further improved. And an adapting groove is formed in the connecting frame to be matched with a buffering pad to improve the buffering effect on the connecting frame.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile bumper, specifically relates to a kind of automobile bumper of good energy-absorbing effect. BACKGROUND

[0002] The automobile bumper is a kind of easily damaged accessory of the vehicle body, which is respectively located at the front and rear of the automobile. The bumper is usually composed of an outer plate and a cross beam, and the outer plate is attached to the cross beam. The cross beam is connected by screws and can be disassembled at any time.

[0003] Using composite material as the buffer component of the automobile bumper installed at the front end of the automobile will block the heat dissipation structure of the front bumper of the automobile, affecting the heat dissipation of the automobile during driving.

[0004] According to the "bionic composite material automobile bumper with good energy-absorbing effect" with the Chinese patent publication number CN221757476U, it is mainly described that the bionic composite material automobile bumper body can be installed at the front and rear end of the automobile by inserting screws or rods into multiple mounting holes on the mounting plate. A magnet is provided on one side of the mounting plate to be attached to the outer shell of the automobile to fix the installation position. Therefore, when a single person installs it, the mounting plate will not slide off the installation position, thereby facilitating the installation of the bionic composite material automobile bumper body. When the bionic composite material automobile bumper body is impacted and compressed, multiple buffers and buffer springs will be used to buffer and reduce the impact force. When the bionic composite material automobile bumper body is in contact with the connecting plate, a buffer pad will be used to buffer again to reduce the impact force. This not only reduces the damage to the vehicle during impact, but also maximizes the overall shape of the bumper. The outer part of the bionic composite material automobile bumper body is provided with a shaped protective shell to prevent the bionic composite material automobile bumper body from being deformed under stress. The mounting plate and the connecting plate are connected by a triangular connecting frame, which has high bearing capacity and strength, can effectively resist various external forces and loads, and makes the connecting plate and the mounting plate more durable and less likely to deform under stress. Moreover, the triangular connecting frame is designed in a triangular shape to minimize the use of materials while ensuring strength, thereby reducing the overall bumper. During this process, using composite material as the buffer component of the automobile bumper installed at the front end of the automobile will block the heat dissipation structure of the front bumper of the automobile, affecting the heat dissipation of the automobile during driving.

[0005] Therefore, a kind of automobile bumper with good energy-absorbing effect is proposed to solve the problem of blocking the heat dissipation structure of the front bumper of the automobile during the process of using composite material as the buffer component of the automobile bumper installed at the front end of the automobile, affecting the heat dissipation of the automobile during driving. SUMMARY

[0006] The utility model wants to solve the technical problem: in this process, use the composite material as the bumper of car buffer part installation in the front end of car, can shield the heat dissipation structure of car front bumper, influence the heat dissipation problem of car in the process of driving, therefore put forward a kind of energy-absorbing effect good bumper of car.

[0007] The utility model solves technical problem and adopts technical scheme: a kind of energy-absorbing effect good bumper of car, including bumper body, the recess is set in the side of bumper body and fixedly connected with air inlet grille in recess, the side of bumper body is provided with the link frame, the opposite side of link frame and bumper body is all fixedly connected with two link seats, wherein the first section arm is rotatably connected on two link seats by pivot, the second section arm is rotatably connected by first pivot with the first section arm, the second section arm is rotatably connected with another two link seats by pivot, the link frame is fixedly connected with reinforcing rib, the reinforcing rib is contacted with buffer air bag, the link frame is set with adaptive groove, the adaptive groove corresponds with car radiator, the link frame is set with first recess, the first recess is fixedly connected with arc-shaped rod, the spring is contacted with clamping plate, the recess is set in the clamping plate and is rotatably connected with rotating rod by pivot, the rotating rod is rotatably connected with link rod, the link rod is fixedly connected with fixed block on the upper side and the lower side and fixed block is fixedly connected in the side of bumper body.

[0008] As a preferred technical scheme of the utility model, the link frame is fixedly connected with convex plate on both sides, and the convex plate is fixedly connected on the frame by bolts. The convex plate can facilitate the installation of the link frame.

[0009] As a preferred technical scheme of the utility model, the link frame is fixedly connected with buffer pad on one side, and the buffer pad is made of rubber material. The buffer pad can increase the stability of the link with the vehicle body.

[0010] As a preferred technical scheme of the utility model, the bumper body is fixedly connected with a limiting plate on one side, and the limiting plate is fixedly connected with the buffer air bag. The limiting plate can increase the contact area with the buffer air bag and improve the stability of the air bag.

[0011] As a preferred technical scheme of the utility model, the buffer air bag is contacted with a push plate on one side, the push plate is fixedly connected with a protrusion, and the protrusion is rotatably connected with the first pivot. The push plate can increase the contact area with the buffer air bag and improve the stability of the buffer air bag.

[0012] As a preferred technical scheme of the utility model, the buffer air bag side is contacted with a stabilizing block, the stabilizing block is glued on the bumper body side, by setting the stabilizing block, by increasing the friction between the buffer air bag, the buffer effect of the buffer air bag is improved.

[0013] The utility model has the advantages that: by setting the connecting frame on the bumper body side, and by providing the bumper body two sides with the buffer of the buffer air bag, and by installing the relatively movable clamping plate and the arc-shaped rod on the front of the buffer frame body, the front buffer can be provided in cooperation with the spring, the energy absorption effect of the automobile bumper is further improved, and the adaptive groove is set on the connecting frame to cooperate with the buffer pad to increase the buffer effect on the connecting frame, the adaptability of the automobile bumper to the automobile front radiator is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a top view sectional structure schematic diagram of a kind of automobile bumper of energy absorption effect good of the utility model one preferred embodiment;

[0015] Fig. 2 It is a three-dimensional structure schematic diagram of the connecting frame of a kind of automobile bumper of energy absorption effect good of the utility model one preferred embodiment;

[0016] Fig. 3 It is a three-dimensional structure schematic diagram of the bumper body of a kind of automobile bumper of energy absorption effect good of the utility model one preferred embodiment.

[0017] Mark for explaining:1, bumper body;2, connecting frame;3, connecting seat;4, first arm;5, first rotating shaft;6, second arm;7, reinforcing rib;8, buffer air bag;9, tab;10, adaptive groove;11, buffer pad;12, limit plate;13, push plate;14, fixed block;15, connecting rod;16, rotating rod;17, clamping plate;18, first recess;19, arc-shaped rod;20, spring;21, air inlet grille;22, stabilizing block. DETAILED DESCRIPTION

[0018] The utility model is further described below in connection with the drawings.

[0019] Please combine Figs. 1-3The automobile bumper shown has good energy absorption effect, comprising a bumper body 1, a recess is formed on one side of the bumper body 1, and an air inlet grille 21 is fixedly connected in the recess; the air inlet grille 21 can facilitate heat dissipation of the radiator when the automobile is running; an adapter frame 2 is arranged on one side of the bumper body 1; two adapter seats 3 are fixedly connected to opposite sides of the adapter frame 2; a first arm 4 is rotatably connected to the two adapter seats 3 through a rotating shaft; a torsional spring is sleeved on a first rotating shaft 5; the two ends of the torsional spring are fixedly connected to the first arm 4 and a second arm 6, respectively; the first arm 4 is rotatably connected to the second arm 6 through the first rotating shaft 5; the adapter seats 3, the first arm 4 and the second arm 6 form a folding structure, which can increase the energy absorption effect of the side edge of the automobile bumper in cooperation with a buffer air bag 8; the second arm 6 is rotatably connected to the other two adapter seats 3 through a rotating shaft; a reinforcing rib 7 is fixedly connected to the adapter frame 2; the buffer air bag 8 contacts the reinforcing rib 7; an adaptive groove 10 is formed on the adapter frame 2 and corresponds to the radiator of the automobile; the adaptive groove 10 can prevent the front end of the radiator of the automobile from being blocked, thereby avoiding problems in heat dissipation of the automobile; a first recess 18 is formed on the adapter frame 2; an arc-shaped rod 19 is fixedly connected in the first recess 18; springs 20 are sleeved on both sides of the arc-shaped rod 19; the springs 20 contact clamping plates 17; recesses are formed on the clamping plates 17 and rotatably connected to rotating rods 16 through rotating shafts; a connecting rod 15 is rotatably connected to the rotating rods 16; fixed blocks 14 are fixedly connected to both sides of the connecting rod 15 and to one side of the bumper body 1; the front of the bumper body 1 is composed of the rotating rods 16, the clamping plates 17, the arc-shaped rod 19 and the springs 20; when the bumper body 1 is impacted, the fixed blocks 14 are extruded, the rotating rods 16 are rotated, the clamping plates 17 are pushed, the springs 20 are retracted, the energy absorption effect of the automobile bumper is improved, and the buffer structure of the automobile does not affect the heat dissipation of the automobile bumper.

[0020] The frame is fixedly connected to the convex plates 9, which are fixedly connected to both sides of the adapter frame 2; the adapter frame 2 can be disassembled synchronously when the bumper body 1 is disassembled.

[0021] The buffer pad 11 is made of rubber material and is connected to one side of the adapter frame 2; the buffer pad 11 can increase the friction between the adapter frame 2 and the body of the automobile and improve the stability.

[0022] The buffer air bag 8 is fixedly connected to the limiting plate 12, which is fixedly connected to one side of the bumper body 1; the limiting plate 12 increases the contact surface between the buffer air bag 8 and the bumper body 1 and improves the stability of the buffer air bag 8.

[0023] The first rotating shaft 5 is rotatably connected with the protrusion, the protrusion is fixedly connected with the push plate 13, the push plate 13 is in contact with one side of the buffer air bag 8, and the push plate 13 can release the collision stress from the side of the bumper body 1, and the energy absorption effect is improved.

[0024] The bumper body 1 is glued on one side of the stabilizing block 22, the stabilizing block 22 is in contact with one side of the buffer air bag 8, and the stabilizing block 22 can contact the buffer air bag 8 by increasing friction, and the contact area with the buffer air bag 8 is increased, and the stability of the buffer air bag 8 during installation is improved.

[0025] Working principle: the buffer air bag 8 is installed between the reinforcing rib 7 and the bumper body 1, and is connected with the vehicle body through the bolt and the flange plate 9, in the actual form process, the center of the bumper body 1 is in correspondence with the adaptive groove 10 of the connecting frame 2, and only one connecting rod 15 is arranged between the bumper body 1 and the connecting frame 2, so that the buffer material can avoid blocking the air inlet, and the air inlet effect is improved, when the automobile bumper is subjected to a force, the fixed block 14 is extruded, and the rotating rod 16 is driven to rotate, at this time, the clamping plate 17 drives the spring 20 to contract, and the rotation of the rotating rod 16 can shorten the distance between the connecting frame 2 and the bumper body 1, the buffer air bag 8 is subjected to a collision and is contracted, and the buffer effect is greatly improved, when the side of the automobile bumper is subjected to a force, the distance between the bumper body 1 and the connecting frame 2 is inclined and shortened, the first arm 4 and the second arm 6 drive the push plate 13 to continuously extrude the buffer air bag 8, and the energy absorption effect of the automobile bumper is improved.

[0026] The preferred embodiments of the present application are described above, and it should be pointed out that, for ordinary skilled persons in the technical field, some improvements and decorations can be made without departing from the principles of the present application, and these improvements and decorations should also be regarded as the protection scope of the present application.

[0027] Other parts not described in detail in the present application belong to the prior art, and therefore will not be described here.

[0028] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A car bumper with good energy absorption effect, comprising a bumper body (1), one side of the bumper body (1) is provided with a groove, and a air inlet grille (21) is fixedly connected in the groove, characterized in that, The bumper body (1) one side is provided with the link frame (2), the link frame (2) with bumper body (1) opposite side is fixedly connected with two link seats (3), wherein two link seats (3) are rotatably connected with the first section arm (4) on the pivot, the first section arm (4) is rotatably connected with the second section arm (6) through the first pivot (5), the second section arm (6) is rotatably connected with another two link seats (3) through the pivot, the link frame (2) is fixedly connected with the reinforcing rib (7), the reinforcing rib (7) is contacted with the buffer air bag (8), the link frame (2) is provided with the adaptive groove (10), the adaptive groove (10) corresponds with the automobile radiator, the link frame (2) is provided with the first recess (18), the first recess (18) is fixedly connected with the arc-shaped rod (19) in, the arc-shaped rod (19) both sides are all sleeved with spring (20), the spring (20) is contacted with the clamping plate (17), the clamping plate (17) is provided with recess and recess is rotatably connected with the rotating rod (16) through the pivot, the rotating rod (16) is rotatably connected with the link rod (15), the link rod (15) upper and lower sides are all fixedly connected with the fixed block (14) and the fixed block (14) is fixedly connected on the bumper body (1) one side.

2. The automobile bumper with good energy absorption effect according to claim 1, characterized in that, The link frame (2) both sides are fixedly connected with the convex plate (9), the convex plate (9) is fixedly connected on the frame by bolt.

3. The automobile bumper with good energy absorption effect according to claim 2, characterized in that, The link frame (2) one side rubber joint has the buffer pad (11), the buffer pad (11) is composed of rubber material.

4. The automobile bumper with good energy absorption effect according to claim 1, characterized in that, The bumper body (1) one side is fixedly connected with the limiting plate (12), the limiting plate (12) is fixedly connected with the buffer air bag (8).

5. The energy-absorbing bumper of claim 4, wherein the energy-absorbing bumper further comprises a plurality of the energy-absorbing members. The buffer air bag (8) one side is contacted with the push plate (13), the push plate (13) is fixedly connected with the convex, the convex is rotatably connected with the first pivot (5).

6. The automobile bumper with good energy absorption effect according to claim 5, characterized in that, The buffer air bag (8) one side is contacted with the stabilizing block (22), the stabilizing block (22) rubber joint is connected on the bumper body (1) one side.

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