Automobile plastic bumper with shock absorption and energy absorption structure

Abstract

The utility model discloses an automobile plastic bumper with a shock absorption and energy absorption structure, which relates to the technical field of design of automobile plastic bumpers and comprises a bumper body, a shock absorption and buffering unit and an energy absorption and cushioning component, and the inner side of the bumper body is fixedly connected with an installation fixing plate through the shock absorption and buffering unit. A fixing groove is formed in the inner side of the bumper body, external connecting bolts are arranged at the four corners of a mounting fixing plate correspondingly, an energy absorption and shock absorption assembly is arranged on the surface of the outer side of the bumper body, and a shock absorption and buffer unit comprises a connecting block, a clamping fixing block, a supporting cylinder, a movable sliding column and an adjusting sliding sleeve. Energy generated by collision can be absorbed, the cushioning effect is improved, the bumper is prevented from being damaged, and a driver is better protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile plastic bumper design, specifically to an automobile plastic bumper with shock absorption energy absorption structure. BACKGROUND

[0002] Many years ago, the front and rear bumpers of the automobile are mainly metal materials, and the U-shaped channel steel with the thickness of more than 3mm is stamped, the surface is treated with chromium plating, and is riveted or welded with the frame longitudinal beam together, and there is a larger gap with the vehicle body, which looks like an additional component and looks very unsightly. With the development of the automobile industry and the large application of engineering plastics in the automobile industry, the automobile bumper as an important safety device also goes to the road of innovation. At present, in addition to keeping the original protection function, the front and rear bumpers of the automobile also pursue the harmony and unity with the vehicle body modeling and the lightweight of itself. The front and rear bumpers of the car are made of plastic, which is called plastic bumper. In order to improve the performance of the bumper, a kind of automobile plastic bumper with shock absorption energy absorption structure is needed.

[0003] The existing automobile plastic bumper with shock absorption energy absorption structure has the problems of small bumper strength, unable to absorb the energy generated by the collision after the collision, poor shock absorption effect, easy to cause the damage of the bumper, and harm to the driver. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem of overcoming the defects of the prior art, and provides an automobile plastic bumper with shock absorption energy absorption structure, which improves the strength of the bumper, can absorb the energy generated by the collision after the collision, improves the shock absorption effect, prevents the damage of the bumper, protects the driver better, and can effectively solve the problems in the background art.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an automobile plastic bumper with shock absorption energy absorption structure, comprising a bumper main body, a shock absorption and buffering unit and an energy absorption and shock absorption assembly.

[0006] The bumper main body is fixedly connected with the mounting fixed plate through the shock absorption and buffering unit on the inner side, a fixed groove is formed in the inner side of the bumper main body, external connecting bolts are arranged at the four corners of the mounting fixed plate, and the outer surface of the bumper main body is provided with the energy absorption and shock absorption assembly;

[0007] The shock absorption buffer unit comprises a connecting block, a clamping fixed block, a supporting cylinder, a moving slide column and an adjusting slide sleeve, two equally spaced connecting blocks are fixedly connected on one side of the mounting fixed plate close to the bumper body, clamping holes are respectively formed in the two connecting blocks, the two clamping holes are respectively fixedly connected with corresponding clamping fixed blocks, one supporting cylinder is fixedly connected to each of the two clamping fixed blocks, a limiting circular hole is formed in the surface of one end of each of the two supporting cylinders close to the bumper body, four annular array slide grooves are respectively formed in each of the limiting circular holes, one moving slide column is fixedly connected in each of the slide grooves, one auxiliary shock absorption spring is sleeved on each of the moving slide columns, one adjusting slide sleeve is arranged in each of the limiting circular holes, four annular array protrusions are arranged on each of the adjusting slide sleeves, the slide holes in each of the protrusions are slidably connected with the corresponding moving slide columns, each of the protrusions is slidably connected in the corresponding slide groove, and the auxiliary shock absorption spring on each of the moving slide columns is located between the adjusting slide sleeve and the slide groove.

[0008] The bumper body is used for installation and use, the mounting fixed plate is used for installation and use of the device with the outside, the energy absorption and shock absorption assembly is used for energy absorption and shock absorption, the connecting block and the clamping fixed block cooperate to fixedly support the supporting cylinder, the supporting cylinder is used for fixing the moving slide column, the moving slide column is used for stable movement of the adjusting slide sleeve, the adjusting slide sleeve is used for fixing the buffer slide column, the buffer slide column slides on the supporting cylinder and cooperates with the buffer shock absorption spring to compress the spring to generate energy in the collision, thereby achieving shock absorption.

[0009] Further, the shock absorption buffer unit further comprises a buffer slide column, a buffer shock absorption spring and a fixed frame, one fixed frame is fixedly connected to the corresponding position of each of the two supporting cylinders in the inner side of the bumper body, one buffer slide column is arranged on each of the two fixed frames, each of the buffer slide columns passes through the limiting circular hole in the corresponding supporting cylinder and is fixedly connected with the adjusting slide sleeve, one buffer shock absorption spring is arranged between each of the clamping fixed blocks and the corresponding fixed frame, and each of the buffer shock absorption springs is sleeved on the corresponding supporting cylinder.

[0010] The buffer slide column is used for fixing the buffer shock absorption spring, the buffer shock absorption spring is used for shock absorption, and the bumper body is used more stably, the fixed frame is used for fixedly mounting the buffer slide column, and use is facilitated.

[0011] Further, the shock absorption buffer unit further comprises a connecting inclined plate and an auxiliary shock absorption damper, the two sides of the mounting fixed plate are fixedly connected with the connecting inclined plates through fixed rods, one end of each of the two connecting inclined plates is movably connected with one end of the auxiliary shock absorption damper through a movable seat, and the other end of each of the two auxiliary shock absorption dampers is fixedly connected with the corresponding bumper body through a movable seat.

[0012] The connecting inclined plate is used for fixing the auxiliary shock-absorbing damper, the auxiliary shock-absorbing damper is used for making the bumper body and the mounting fixed plate more stable in connection, thereby facilitating auxiliary installation and use, increasing the shock-absorbing performance, and facilitating use.

[0013] Further, the energy-absorbing shock-absorbing assembly comprises energy-absorbing cotton bars and reinforcing fixed plates, two energy-absorbing cotton bars are arranged at equal intervals on the outer surface of the bumper body, and a plurality of reinforcing fixed plates are arranged at equal intervals on the outer surface of the bumper body between the two energy-absorbing cotton bars.

[0014] The energy-absorbing cotton bars are made of anti-collision sponge strips, the reinforcing fixed plates are used for increasing the strength of the bumper body, the bumper body has improved performance, and the reinforcing fixed plates are made of high-strength metal materials.

[0015] Further, the energy-absorbing shock-absorbing assembly further comprises an energy-absorbing sponge, an energy-absorbing sponge is arranged between the bumper body and the mounting fixed plate, the energy-absorbing sponge is arranged between the two supporting cylinders, the front end of the energy-absorbing sponge is connected with the corresponding bumper body through the buffer damper I, and the rear end of the energy-absorbing sponge is fixedly connected with the corresponding mounting fixed plate through the buffer damper II.

[0016] The energy-absorbing sponge is made of industrial anti-collision sponge and is used for energy absorption in use, and the performance of the device is improved.

[0017] Further, the energy-absorbing shock-absorbing assembly further comprises a honeycomb energy-absorbing frame, and the honeycomb energy-absorbing frame is arranged in the fixed groove on the bumper body.

[0018] The honeycomb energy-absorbing frame adopts a hexagonal honeycomb structure, so that the strength of the bumper is increased, and the energy-absorbing function is realized in a collision.

[0019] Compared with the prior art, the energy-absorbing shock-absorbing structure of the automobile plastic bumper has the following advantages:

[0020] 1、The automobile plastic bumper with the energy-absorbing shock-absorbing structure has the following advantages: the shock-absorbing buffer unit is arranged, the supporting cylinder is fixedly arranged through the cooperation of the connecting block and the clamping fixed block, the supporting cylinder is used for fixing the moving slide column, the moving slide column is used for making the adjusting sleeve more stable in movement, the adjusting sleeve is used for fixing the buffer slide column, the buffer slide column is used for sliding on the supporting cylinder and is used for buffering the shock-absorbing spring, so that the energy generated in a collision is used for compressing the spring, the buffer slide column is used for fixing the buffer shock-absorbing spring, the buffer shock-absorbing spring is used for buffering, the bumper body is more stable in use, the fixed frame is used for fixing the buffer slide column, the connecting inclined plate is used for fixing the auxiliary shock-absorbing damper, and the auxiliary shock-absorbing damper is used for making the bumper body and the mounting fixed plate more stable in connection, so that the shock-absorbing installation and use are facilitated.

[0021] 2、The automobile plastic bumper with shock absorption and energy absorption structure has the following advantages: the energy absorption and shock absorption assembly is provided with the anti-collision sponge strip, the device toughness is increased, the fixed plate is used to increase the strength of the bumper body, the performance of the bumper body is improved, the industrial anti-collision sponge is used as the energy absorption sponge, in use, the honeycomb energy absorption frame is used to increase the strength of the bumper, and the device performance is improved.

[0022] 3、The automobile plastic bumper with shock absorption and energy absorption structure has the following advantages: the bumper strength is improved, the energy generated by the collision can be absorbed after the collision, the shock absorption effect is improved, the bumper is prevented from being damaged, and the driver is better protected. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is a front structure schematic view of the utility model;

[0024] Fig. 2 It is a shock absorption and buffering unit local section view structure schematic view of the utility model;

[0025] Fig. 3 It is a back structure schematic view of the utility model.

[0026] In the drawing: 1, bumper body, 2, installation fixed plate, 3, shock absorption and buffering unit, 31, connecting block, 32, clamping fixed block, 33, supporting cylinder, 34, moving slide column, 35, adjusting slide sleeve, 36, buffering slide column, 37, buffering shock absorption spring, 38, fixed frame, 39, connecting inclined plate, 310, auxiliary shock absorption damper, 4, energy absorption and shock absorption assembly, 41, energy absorption cotton strip, 42, reinforcing fixed plate, 43, energy absorption sponge, 44, honeycomb energy absorption frame. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figs. 1-3 The embodiment provides a technical scheme: an automobile plastic bumper with shock absorption and energy absorption structure, which comprises a bumper body 1, a shock absorption and buffering unit 3 and an energy absorption and shock absorption assembly 4.

[0029] The bumper body 1 is fixedly connected to the mounting fixed plate 2 through the damping buffer unit 3, the bumper body 1 is provided with a fixed groove on the inner side, the mounting fixed plate 2 is provided with external connecting bolts on the four corners, and the bumper body 1 is provided with an energy-absorbing damping assembly 4 on the outer side surface.

[0030] The damping buffer unit 3 comprises a connecting block 31, a clamping fixed block 32, a supporting cylinder 33, a moving slide column 34 and an adjusting slide sleeve 35, two equidistant connecting blocks 31 are fixedly connected to one side of the mounting fixed plate 2 close to the bumper body 1, clamping holes are formed in the two connecting blocks 31, respectively, clamping fixed blocks 32 are fixedly clamped in the two clamping holes, respectively, supporting cylinders 33 are fixedly connected to the two clamping fixed blocks 32, respectively, limit round holes are formed in the surfaces of the two supporting cylinders 33 close to the bumper body 1, respectively, four annular array slide grooves are formed in each limit round hole, respectively, moving slide columns 34 are fixedly connected in each slide groove, respectively, auxiliary damping springs are sleeved on the moving slide columns 34, respectively, adjusting slide sleeves 35 are arranged in each limit round hole, respectively, four annular array protrusions are arranged on each adjusting slide sleeve 35, respectively, slide holes in each protrusion are slidably connected to the corresponding moving slide column 34, each protrusion is slidably connected in the corresponding slide groove, and the auxiliary damping springs on each moving slide column 34 are located between the adjusting slide sleeve 35 and the slide groove.

[0031] The bumper body 1 is used for installation and use, the mounting fixed plate 2 is used for installation and use of the device and the outside, the energy-absorbing damping assembly 4 is used for energy-absorbing damping use, the connecting block 31 and the clamping fixed block 32 cooperate to fixedly support the supporting cylinder 33, the supporting cylinder 33 is used for fixing the moving slide column 34, the moving slide column 34 is used for making the adjusting slide sleeve 35 move more stably, the adjusting slide sleeve 35 is used for fixing the buffer slide column 36, the buffer slide column 36 slides on the supporting cylinder 33 and cooperates with the buffer damping spring 37 to compress the spring to generate energy in a collision, so that the energy-absorbing damping use is realized.

[0032] The damping buffer unit 3 further comprises a buffer slide column 36, a buffer damping spring 37 and a fixed frame 38, the bumper body 1 is fixedly connected with the fixed frame 38 at positions corresponding to the two supporting cylinders 33 on the inner side, respectively, each fixed frame 38 is provided with a buffer slide column 36, respectively, each buffer slide column 36 passes through the limit round hole in the corresponding supporting cylinder 33 and is fixedly connected with the adjusting slide sleeve 35, and the buffer damping spring 37 is arranged between the clamping fixed block 32 and the corresponding fixed frame 38, respectively.

[0033] The buffer slide column 36 is used for fixing the buffer shock absorbing spring 37, the buffer shock absorbing spring 37 is used for buffer shock absorbing, the bumper body 1 is used more stably, the fixing frame 38 is used for fixing and installing the buffer slide column 36, and convenient to use.

[0034] The shock absorbing and buffering unit 3 further comprises the connecting inclined plates 39 and the auxiliary shock absorbing dampers 310, the two sides of the fixing plate 2 are fixedly connected with the connecting inclined plates 39 through the fixing rods, the two connecting inclined plates 39 are movably connected with one end of the auxiliary shock absorbing dampers 310 through the movable seats, and the other end of the two auxiliary shock absorbing dampers 310 is fixedly connected with the corresponding bumper body 1 through the movable seat one.

[0035] The connecting inclined plates 39 are used for fixing the auxiliary shock absorbing dampers 310, the auxiliary shock absorbing dampers 310 are used for connecting the bumper body 1 and the fixing plate 2 more stably, thereby conveniently assisting in installation and use, increasing the shock absorbing performance, and convenient to use.

[0036] The energy absorbing and shock absorbing assembly 4 comprises the energy absorbing cotton bars 41 and the reinforcing fixing plates 42, the outer side surface of the bumper body 1 is provided with two energy absorbing cotton bars 41 at equal intervals, and the outer side surface of the bumper body 1 is provided with a plurality of reinforcing fixing plates 42 at equal intervals at the position between the two energy absorbing cotton bars 41.

[0037] The energy absorbing cotton bars 41 are anti-collision sponge strips, the reinforcing fixing plates 42 are used for increasing the strength of the bumper body 1, the performance of the bumper body 1 is improved, and the reinforcing fixing plates 42 are made of high-strength metal materials.

[0038] The energy absorbing and shock absorbing assembly 4 further comprises the energy absorbing sponge 43, the bumper body 1 and the fixing plate 2 are provided with the energy absorbing sponge 43 therebetween, the energy absorbing sponge 43 is located at the position between the two supporting cylinders 33, the front end of the energy absorbing sponge 43 is connected with the corresponding bumper body 1 through the buffering damper one, and the rear end of the energy absorbing sponge 43 is fixedly connected with the corresponding fixing plate 2 through the buffering damper two.

[0039] The energy absorbing sponge 43 is industrial anti-collision sponge, and is used for energy absorption in use, and increasing the performance of the device.

[0040] The energy absorbing and shock absorbing assembly 4 further comprises the honeycomb energy absorbing frame 44, and the honeycomb energy absorbing frame 44 is arranged in the fixing groove on the bumper body 1.

[0041] The honeycomb energy absorbing frame 44 adopts a hexagonal honeycomb structure, so as to increase the strength of the bumper and be used for energy absorption in collision.

[0042] The working principle of the automobile plastic bumper with the shock absorption and energy absorption structure is as follows: first, the energy absorption cotton bar 41 adopts the anti-collision sponge bar, the device flexibility is increased, the fixing plate 42 is used for increasing the bumper main body 1 strength, the bumper main body 1 performance is improved, the energy absorption sponge 43 adopts the industrial anti-collision sponge, in use, energy absorption is used, the honeycomb energy absorption frame 44 adopts the hexagonal honeycomb structure, the bumper strength is increased, meanwhile, the connecting block 31 and the clamping fixing block 32 cooperate, the installation fixing support cylinder 33 is carried out, the support cylinder 33 is used for fixing the movable slide column 34, the movable slide column 34 is used for making the adjustment sliding sleeve 35 movement more stable, the adjustment sliding sleeve 35 is used for fixing the buffer slide column 36, the buffer slide column 36 is slid on the support cylinder 33, meanwhile, the buffer slide column 36 cooperates with the buffer shock absorption spring 37, the energy generated by the collision is used for compressing the spring, the buffer slide column 36 is used for fixing the buffer shock absorption spring 37, the buffer shock absorption spring 37 is used for carrying out the buffer use, the bumper main body 1 is used more stably, the fixing frame 38 is used for installing and fixing the buffer slide column 36, the connecting inclined plate 39 is used for fixing the auxiliary shock absorption damper 310, the auxiliary shock absorption damper 310 is used for making the bumper main body 1 and the installation fixing plate 2 connection more stable, and is used for installation and use.

[0043] The above only describes the embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent flow transformation using the utility model specification and the attached drawing contents, or direct or indirect application in other related technical fields, are all included in the patent protection range of the utility model.

Claims

1. A plastic bumper for an automobile having a shock absorbing energy absorbing structure, characterized by: The bumper body (1), the shock absorbing unit (3) and the energy absorbing and shock absorbing assembly (4) are included. The bumper body (1) is fixedly connected with the mounting fixed plate (2) through the shock absorbing unit (3) on the inner side of the upper side, a fixed groove is formed in the inner side of the bumper body (1), external connecting bolts are arranged on the mounting fixed plate (2) at four corners, respectively, and the energy absorbing and shock absorbing assembly (4) is arranged on the outer surface of the bumper body (1). The shock absorbing unit (3) comprises a connecting block (31), a clamping fixed block (32), a supporting cylinder (33), a moving slide column (34) and an adjusting slide sleeve (35), two connecting blocks (31) are fixedly connected on one side of the mounting fixed plate (2) close to the bumper body (1), clamping holes are formed in the two connecting blocks (31), respectively, the clamping holes are fixedly clamped with corresponding clamping fixed blocks (32), respectively, one supporting cylinder (33) is fixedly connected to each of the two clamping fixed blocks (32), limit round holes are formed in the surfaces of the two supporting cylinders (33) close to the bumper body (1), respectively, four annular arrays of slide grooves are formed in each limit round hole, respectively, one moving slide column (34) is fixedly connected in each slide groove, respectively, one auxiliary shock absorbing spring is sleeved on each moving slide column (34), one adjusting slide sleeve (35) is arranged in each limit round hole, respectively, four annular arrays of protrusions are arranged on each adjusting slide sleeve (35), respectively, the slide holes in each protrusion are slidably connected to the corresponding moving slide column (34), each protrusion is slidably connected in the corresponding slide groove, and the auxiliary shock absorbing spring on each moving slide column (34) is located between the adjusting slide sleeve (35) and the slide groove.

2. The plastic bumper with shock-absorbing and energy-absorbing structure of an automobile according to claim 1, characterized in that: The shock absorbing unit (3) further comprises a buffer slide column (36), a buffer shock absorbing spring (37) and a fixed frame (38), one fixed frame (38) is fixedly connected to the inner side of the bumper body (1) at a position corresponding to the two supporting cylinders (33), respectively, one buffer slide column (36) is arranged on each fixed frame (38), each buffer slide column (36) passes through the limit round hole in the corresponding supporting cylinder (33) and is fixedly connected with the adjusting slide sleeve (35), one buffer shock absorbing spring (37) is arranged between each clamping fixed block (32) and the corresponding fixed frame (38), and each buffer shock absorbing spring (37) is sleeved on the corresponding supporting cylinder (33).

3. The plastic bumper with shock-absorbing and energy-absorbing structure of an automobile according to claim 2, characterized in that: The shock absorbing unit (3) further comprises a connecting inclined plate (39) and an auxiliary shock absorbing damper (310), the two sides of the mounting fixed plate (2) are fixedly connected with the connecting inclined plate (39) through fixed rods, respectively, one end of each of the two connecting inclined plates (39) is movably connected with the auxiliary shock absorbing damper (310) through a movable seat, and the other end of each of the two auxiliary shock absorbing dampers (310) is fixedly connected with the corresponding bumper body (1) through a movable seat.

4. The plastic bumper with shock-absorbing and energy-absorbing structure for automobile according to claim 1, characterized in that: The energy-absorbing and shock-absorbing assembly (4) comprises energy-absorbing cotton bars (41) and reinforcing fixed plates (42), and the outer surface of the bumper body (1) is respectively provided with two energy-absorbing cotton bars (41) at equal intervals, and the outer surface of the bumper body (1) is provided with a plurality of reinforcing fixed plates (42) at equal intervals between the two energy-absorbing cotton bars (41).

5. The plastic bumper with shock-absorbing and energy-absorbing structure for automobile according to claim 4, characterized in that: The energy-absorbing and shock-absorbing assembly (4) further comprises an energy-absorbing sponge (43), and an energy-absorbing sponge (43) is arranged between the bumper body (1) and the mounting fixed plate (2), the energy-absorbing sponge (43) is located between the two supporting cylinders (33), the front end of the energy-absorbing sponge (43) is connected with the corresponding bumper body (1) through a buffer damper one, and the rear end of the energy-absorbing sponge (43) is fixedly connected with the corresponding mounting fixed plate (2) through a buffer damper two.

6. The plastic bumper with shock-absorbing and energy-absorbing structure for automobile according to claim 4, characterized in that: The energy-absorbing and shock-absorbing assembly (4) further comprises a honeycomb energy-absorbing frame (44), and the fixed groove on the bumper body (1) is provided with a honeycomb energy-absorbing frame (44).

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