CN114572132A

CN114572132A - EPP automobile bumper with deformation buffering function and buffering method

Info

Publication number: CN114572132A
Application number: CN202210293902.3A
Authority: CN
Inventors: 汪锋; 程方园
Original assignee: Anhui Yourfreener Protection Technology Co ltd
Current assignee: Anhui Yourfreener Protection Technology Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-06-03

Abstract

An EPP automobile bumper with a deformation buffering function and a buffering method comprise the following steps of; the device comprises a shell, wherein an inner groove is formed in the middle of the inside of the shell, a damping mechanism is uniformly arranged in the middle of the inner groove, a clamping mechanism is arranged on the inner wall of the shell, and a buffering mechanism is arranged at one end of the bottom of the shell; the movable rod is extruded by the first spring, and when the vehicle is impacted, the buffer can be realized by the spring, so that the purpose of protecting the vehicle and users is achieved; the adsorption magnetic strip is adsorbed on the vehicle, so that the attaching degree of the adsorption magnetic strip and the vehicle is increased, and the corrosion of an internal structure caused by the entering of dust, rainwater and the like is prevented; through using stopper and chute joint, can change different joint positions, change the deformation range of third spring, change absorbing effect for it is fit for different vehicles more and uses.

Description

EPP automobile bumper with deformation buffering function and buffering method

Technical Field

The invention relates to the technical field of automobile equipment, in particular to an EPP automobile bumper with a deformation buffering function and a buffering method.

Background

With the rapid development of social economy, the automobile ownership is rapidly developed, an automobile bumper is a device arranged at the front part of an automobile, the purpose of decorating the automobile can be achieved, the impact on the automobile can be reduced, the buffering effect is achieved, the safety of users can be protected, EPP is an abbreviation of foamed polypropylene, and the EPP has excellent anti-seismic performance, high recovery rate after deformation, and good heat resistance, chemical resistance, oil resistance and heat insulation.

Current EPP car bumper shock resistance is than poor, generally carries out the shock attenuation through the elasticity of material itself, lacks shock-absorbing structure, influences the buffer function when the car receives the impact, and current equipment is difficult to carry out the dismouting fast moreover, when the device damages, can't install and pull down car bumper fast, gets into the rainwater easily among the current equipment moreover, leads to inside can ponding for the easy damage of rustting of inner structure.

Disclosure of Invention

The invention aims to provide an EPP automobile bumper with a deformation buffering function and a buffering method, wherein a clamping block on a sliding rod is extruded by a second spring, so that the clamping block is conveniently clamped with a vehicle, the device is convenient to mount, the clamping block is driven to move by pressing the clamping block, the clamping block is conveniently separated from the mounting position of the vehicle, and the device is convenient to dismount; the movable rod is extruded by the first spring, and when the vehicle is impacted, the buffer can be realized by the spring, so that the purpose of protecting the vehicle and users is achieved; the adsorption magnetic strip is adsorbed on the vehicle, so that the attaching degree of the adsorption magnetic strip and the vehicle is increased, and the corrosion of an internal structure caused by the entering of dust, rainwater and the like is prevented; through using stopper and chute joint, can change different joint positions, change the deformation range of third spring, change absorbing effect for it is fit for different vehicles more and uses, with the problem of proposing among the above-mentioned background art of solution.

In order to solve the technical problems, the invention provides the following technical scheme: an EPP automobile bumper with a deformation buffering function comprises; the shock absorber comprises a shell, an inner groove is formed in the middle of the inside of the shell, shock absorbing mechanisms are uniformly arranged in the middle of the inner groove, a clamping mechanism is arranged on the inner wall of the shell, and a buffer mechanism is arranged at one end of the bottom of the shell;

damper includes first snubber block and second snubber block, the first spring of the inside fixedly connected with of first snubber block and second snubber block, first spring one end fixedly connected with movable rod, latch mechanism includes the spout, the spout is seted up on the shell inner wall, fixedly connected with slide bar in the middle of the spout, the cover has the second spring on the slide bar, the slide bar is sliding connection respectively at second spring both ends has the fixture block, through using the fixture block on the second spring extrusion slide bar, the fixture block joint vehicle of being convenient for, and the installation of convenient device is through first spring extrusion movable rod, when the vehicle receives the impact, can cushion through the spring, reaches protection vehicle and user's purpose.

In a further embodiment, the shell is the arc structure, the welding of inside groove turn has the stiffener, the stiffener is made for elastic material, the stiffener divide into two right angle type structures and a rectangular shaped plate and constitutes, wherein two right angle type structure right angle one end difference fixed connection are both ends in the middle of the rectangular shaped plate, and two right angle type structure both sides difference fixed connection are on the inside groove inner wall, rectangular shaped plate both ends difference fixed connection is on the inside groove inner wall, through using the compressive property at right angle type structure increase bending part, prevents that its stress concentration from leading to the damage.

In a further embodiment, first snubber block and second snubber block one end fixed connection are on the less radian edge of inside groove, movable rod sliding connection is inside first snubber block and second snubber block, the movable rod passes first snubber block and second snubber block one end and is provided with the fixed block, fixed block size diameter is greater than the trompil diameter on first snubber block and the second snubber block, the movable rod of second snubber block output has passed and has supported the book, and the movable rod passes and supports a book one end fixed connection on the inside groove inner wall, support a book fixed connection in the inside groove, be provided with the fixed block through movable rod one end, prevent that it from shifting out first snubber block and second snubber block, cause structural damage.

In a further embodiment, the fixture block quantity is two, two the fixture block has all passed the spout, the fixture block is trapezium structure, fixture block one end fixedly connected with briquetting, set up the fluting that suits with the briquetting on the shell bottom surface, the briquetting is kept away from fixture block one end and is passed the fluting, drives the fixture block through pressing down the briquetting and removes, is convenient for it breaks away from the mounted position of vehicle, convenient to detach.

In a further embodiment, the adhesion of shell inner wall has the absorption magnetic stripe, the equal fixedly connected with joint pole in shell inner wall both ends, the joint pole is in between the absorption magnetic stripe, the joint pole is in the turning of shell, shell one end fixedly connected with trapezium structure is kept away from to the joint pole, adsorbs it on the vehicle through adsorbing the magnetic stripe, increases its laminating degree with the vehicle, prevents that dust rainwater etc. from getting into, leads to inner structure to corrode.

In a further embodiment, buffer gear includes the buffer block, the equal fixedly connected with third spring in buffer block both ends, buffer block one end fixed connection is kept away from to the third spring on the shell, the equal fixedly connected with slider in buffer block both ends, the buffer block is close to shell one end fixedly connected with stopper, the buffer block is kept away from stopper one end adhesion and is had shock attenuation gasket, through using third spring extrusion buffer block, increases its shock-absorbing capacity.

In a further embodiment, the inside draw-in groove of evenly having seted up of shell, the inside joint of draw-in groove has the stopper, the inside chute of suiting with the stopper of evenly having seted up of draw-in groove, the slip track that suits with the slider is all seted up at the shell both ends, and the inside sliding connection of slip track has the slider, through using stopper and chute joint, can change different joint positions, changes the deformation range of third spring, changes absorbing effect for it is fit for different vehicle and uses more.

Preferably, the detection method based on the EPP automobile bumper with the deformation buffering function includes the following steps:

s1, firstly, after the device is impacted, the first damping block and the second damping block are impacted, and the buffering performance of the device is improved by arranging a first spring inside the device;

s2, the two clamping blocks are extruded by the second spring, so that the clamping blocks are conveniently clamped on a vehicle, and the device is convenient to mount and dismount quickly;

and S3, finally, the buffer mechanism is used, so that the device can deform, and the buffer function of the device is increased.

The invention has the following beneficial effects:

1. the clamping block on the sliding rod is extruded by the second spring, so that the clamping block can be conveniently clamped with a vehicle, the device is convenient to mount, the clamping block is driven to move by pressing the pressing block, the clamping block can be conveniently separated from the mounting position of the vehicle, and the device is convenient to dismount;

2. the movable rod is extruded by the first spring, and when the vehicle is impacted, the buffer can be realized by the spring, so that the purpose of protecting the vehicle and users is achieved;

3. the adsorption magnetic strips are adsorbed on the vehicle, so that the attaching degree of the adsorption magnetic strips and the vehicle is increased, and the corrosion of an internal structure caused by the entering of dust, rainwater and the like is prevented;

4. through using stopper and chute joint, can change different joint positions, change the deformation range of third spring, change absorbing effect for it is fit for different vehicles more and uses.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic top cross-sectional view of the present invention;

FIG. 2 is a schematic bottom perspective view of the present invention;

FIG. 3 is a schematic perspective view of the shock absorbing mechanism of the present invention;

fig. 4 is a schematic perspective view of the fixture block of the present invention;

FIG. 5 is an enlarged view of the structure at A of the present invention;

fig. 6 is a schematic perspective view of the damper mechanism of the present invention.

In the figure: 1. a housing; 2. an inner tank; 3. a reinforcing rod; 4. a damping mechanism; 41. a first damper block; 42. a second damper block; 43. a first spring; 44. a movable rod; 45. supporting the roll; 5. a clamping mechanism; 51. a chute; 52. a slide bar; 53. a second spring; 54. a clamping block; 55. briquetting; 6. adsorbing the magnetic strip; 7. a clamping and connecting rod; 8. a card slot; 9. a buffer mechanism; 91. a buffer block; 92. a third spring; 93. a slider; 94. a limiting block; 95. shock-absorbing pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in FIGS. 1-4, the EPP vehicle bumper with deformation buffering function and the buffering method of the invention comprise; an inner groove 2 is formed in the middle of the inside of the shell 1, a damping mechanism 4 is uniformly arranged in the middle of the inner groove 2, the damping effect of the device is convenient to increase, a clamping mechanism 5 is arranged on the inner wall of the shell 1, the device is convenient to disassemble, assemble and fix, and a buffering mechanism 9 is arranged at one end of the bottom of the shell 1, so that the buffering performance of the bottom of the structure is increased;

the shock absorption of the existing equipment is generally realized by the properties of materials, and the buffering effect is limited;

in order to increase the damping performance of the device, the damping mechanism 4 comprises a first damping block 41 and a second damping block 42, a first spring 43 is fixedly connected inside the first damping block 41 and the second damping block 42, one end of the first spring 43 is fixedly connected with a movable rod 44, one ends of the first damping block 41 and the second damping block 42 are fixedly connected on the small arc edge of the inner groove 2, the movable rod 44 is slidably connected inside the first damping block 41 and the second damping block 42, and after the device is impacted, the movable rod 44 extrudes the first spring 43, so that the device is buffered;

the movable rod 44 passes first snubber block 41 and second snubber block 42 one end and is provided with the fixed block, fixed block size diameter is greater than trompil diameter on first snubber block 41 and the second snubber block 42, the fixed block is greater than the trompil diameter, make it can't break away from the trompil, prevent that it from shifting out and leading to the device to damage, the movable rod 44 of second snubber block 42 output has passed and has supported and roll up 45, and movable rod 44 passes and supports 45 one end fixed connection on the 2 inner walls of inside groove, support and roll up 45 fixed connection in inside groove 2, roll up 45 through using the support, increase the support performance of device, prevent that shell 1 from receiving the impact after, direct deformation, influence the use.

In order to conveniently clamp the structure, the clamping mechanism 5 comprises a sliding groove 51, the sliding groove 51 is arranged on the inner wall of the shell 1, a sliding rod 52 is fixedly connected in the middle of the sliding groove 51, a second spring 53 is sleeved on the sliding rod 52, the sliding rod 52 is respectively connected with clamping blocks 54 at two ends of the second spring 53 in a sliding manner, the clamping blocks 54 are inserted by aligning the clamping blocks 54 with clamping holes, the clamping blocks 54 in a trapezoidal structure are extruded and slide in when entering, and the clamping blocks 54 are extruded by the second spring 53 to be clamped;

the number of the clamping blocks 54 is two, the two clamping blocks 54 penetrate through the sliding grooves 51, the clamping blocks 54 are of a trapezoid structure, one end of each clamping block 54 is fixedly connected with a pressing block 55, a groove matched with the pressing block 55 is formed in the bottom surface of the shell 1, one end, far away from the clamping block 54, of each pressing block 55 penetrates through the groove, the two pressing blocks 55 are pressed manually, the clamping blocks 54 can be driven to move, the clamping blocks can be moved out of the clamping holes conveniently, the device can be detached quickly, and the device is convenient to use.

Example 2

Referring to fig. 1, a further improvement is made on the basis of embodiment 1:

for the compressive property who increases the device, shell 1 is the arc structure, the welding of 2 turnings of inside groove has stiffener 3, stiffener 3 is made for elastic material, stiffener 3 divide into two right angle type structures and a rectangular plate and constitutes, wherein two right angle type structure right angle one end fixed connection respectively are both ends in the middle of the rectangular plate, two right angle type structure both sides are fixed connection respectively on 2 inner walls of inside groove, rectangular plate both ends are fixed connection respectively on 2 inner walls of inside groove, through using right angle type structure and rectangular plate structure, the compressive capacity of increase device, especially on the flexion, prevent that it from receiving stress concentration, lead to its deformation damage.

Example 3

Referring to fig. 1-2, a further improvement is made on the basis of example 1:

in order to prevent that external pollutant from getting into, lead to the inside groove 2 mesostructure to be corroded and lead to its damage, the adhesion of 1 inner wall of shell has absorption magnetic stripe 6, be convenient for shell 1 and vehicle laminate, increase structural stability, the equal fixedly connected with joint pole 7 in 1 inner wall both ends of shell, joint pole 7 is in between the absorption magnetic stripe 6, joint pole 7 is in the turning department of

shell

1, 1 one end fixedly connected with trapezium structure of shell is kept away from to joint pole 7, joint pole 7 through trapezium structure, can be in the vehicle with its joint, prevent device drop, the stability of increase device installation.

Example 4

Referring to fig. 5-6, a further improvement is made on the basis of example 1:

in order to increase the shock-absorbing capacity of device bottom, buffer gear 9 includes buffer block 91, the equal fixedly connected with third spring 92 in buffer block 91 both ends, buffer block 91 one end fixed connection is kept away from on shell 1 to third spring 92, the equal fixedly connected with slider 93 in buffer block 91 both ends, buffer block 91 is close to shell 1 one end fixedly connected with stopper 94, stopper 94 one end adhesion is kept away from to buffer block 91 has shock attenuation gasket 95, extrude buffer block 91 through using third spring 92, the shock-absorbing capacity of device bottom one end increases.

In this embodiment, in order to make the structure vehicle of laminating more, draw-in groove 8 has evenly been seted up to 1 inside of shell, the inside joint of draw-in groove 8 has stopper 94, the chute that suits with stopper 94 is evenly seted up to 8 inside of draw-in grooves, the slip track that suits with slider 93 is all seted up at 1 both ends of shell, and the inside sliding connection of slip track has slider 93, through the joint position who changes stopper 94 and draw-in groove 8, make slider 93 remove along the slip track, the deformation of the device of being convenient for, can make its vehicle bottom position of laminating more.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. EPP car bumper with deformation buffer function, characterized by, including; the shock absorber comprises a shell (1), wherein an inner groove (2) is formed in the middle of the inside of the shell (1), shock absorbing mechanisms (4) are uniformly arranged in the middle of the inner groove (2), a clamping mechanism (5) is arranged on the inner wall of the shell (1), and a buffer mechanism (9) is arranged at one end of the bottom of the shell (1);

damper (4) include first snubber block (41) and second snubber block (42), first snubber block (41) and the first spring (43) of the inside fixedly connected with of second snubber block (42), first spring (43) one end fixedly connected with movable rod (44), latch mechanism (5) are including spout (51), spout (51) are seted up on shell (1) inner wall, fixedly connected with slide bar (52) in the middle of spout (51), the cover has second spring (53) on slide bar (52), slide bar (52) are sliding connection respectively at second spring (53) both ends and have fixture block (54).

2. The EPP vehicle bumper with the deformation buffering function according to claim 1, wherein the outer shell (1) is of an arc-shaped structure, the reinforcing rod (3) is welded at the turning of the inner groove (2), the reinforcing rod (3) is made of an elastic material, the reinforcing rod (3) is divided into two right-angle structures and a rectangular plate, wherein the right-angle ends of the two right-angle structures are respectively and fixedly connected to the middle two ends of the rectangular plate, the two sides of the two right-angle structures are respectively and fixedly connected to the inner wall of the inner groove (2), and the two ends of the rectangular plate are respectively and fixedly connected to the inner wall of the inner groove (2).

3. The EPP vehicle bumper with a deformation buffering function according to claim 1, one end of the first damping block (41) and one end of the second damping block (42) are fixedly connected on the smaller radian edge of the inner groove (2), the movable rod (44) is connected in a sliding way inside the first shock absorption block (41) and the second shock absorption block (42), one end of the movable rod (44) penetrating through the first damping block (41) and the second damping block (42) is provided with a fixed block, the size and the diameter of the fixed block are larger than the diameters of the holes on the first damping block (41) and the second damping block (42), a movable rod (44) at the output end of the second shock absorption block (42) penetrates through a support roll (45), and the movable rod (44) penetrates through one end of the supporting roll (45) and is fixedly connected to the inner wall of the inner groove (2), and the supporting roll (45) is fixedly connected in the inner groove (2).

4. The EPP automobile bumper with the deformation buffering function according to claim 1, wherein the number of the clamping blocks (54) is two, the two clamping blocks (54) are respectively penetrated by the sliding groove (51), the clamping blocks (54) are in a trapezoidal structure, one end of each clamping block (54) is fixedly connected with a pressing block (55), the bottom surface of the shell (1) is provided with a groove corresponding to the pressing block (55), and one end of each pressing block (55) far away from the clamping block (54) is penetrated by the groove.

5. The EPP vehicle bumper with the deformation buffering function according to claim 1, wherein the inner wall of the shell (1) is bonded with adsorption magnetic stripes (6), two ends of the inner wall of the shell (1) are fixedly connected with clamping rods (7), the clamping rods (7) are located between the adsorption magnetic stripes (6), the clamping rods (7) are located at the turning positions of the shell (1), and one end, away from the shell (1), of each clamping rod (7) is fixedly connected with a trapezoidal structure.

6. The EPP vehicle bumper with the deformation buffering function according to claim 1, wherein the buffering mechanism (9) comprises a buffering block (91), both ends of the buffering block (91) are fixedly connected with third springs (92), one end of each third spring (92) far away from the buffering block (91) is fixedly connected to the housing (1), both ends of each buffering block (91) are fixedly connected with sliding blocks (93), one end of each buffering block (91) close to the housing (1) is fixedly connected with a limiting block (94), and one end of each buffering block (91) far away from the limiting block (94) is adhered with a damping pad (95).

7. The EPP vehicle bumper with the deformation buffering function according to claim 6, wherein a clamping groove (8) is uniformly formed in the housing (1), a limiting block (94) is clamped in the clamping groove (8), inclined grooves adapted to the limiting block (94) are uniformly formed in the clamping groove (8), sliding rails adapted to the sliding blocks (93) are formed at both ends of the housing (1), and the sliding blocks (93) are slidably connected in the sliding rails.

8. The method for detecting the EPP automobile bumper with the deformation buffering function adopts the EPP automobile bumper with the deformation buffering function as claimed in claim 1, and is characterized by comprising the following steps:

s1, firstly, after the device is impacted, a first damping block (41) and a second damping block (42) are impacted, and a first spring (43) is arranged inside the device, so that the buffering performance of the device is improved;

s2, the two clamping blocks (54) are extruded by the second spring (53), so that the clamping blocks (54) are conveniently clamped on a vehicle, and the device is convenient to mount and dismount quickly;

and S3, finally, the buffer mechanism (9) is used, so that the device can deform, and the buffer function of the device is increased.