CN221049646U

CN221049646U - Anti-collision bumper

Info

Publication number: CN221049646U
Application number: CN202322562749.2U
Authority: CN
Inventors: 刘建明
Original assignee: Changzhou Yewei Vehicle Parts Co ltd
Current assignee: Changzhou Yewei Vehicle Parts Co ltd
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2024-05-31
Anticipated expiration: 2033-09-20

Abstract

The utility model relates to the technical field of bumpers, in particular to an anti-collision bumper which comprises a protection plate, wherein a support plate is fixedly connected to the inside of the protection plate, two elastic mechanisms are fixedly connected to the middle part of the support plate, a first end cover is fixedly connected to the bottom of each elastic mechanism, a mounting plate is fixedly connected to one side of the protection plate, a telescopic rod is fixedly connected to one side of the mounting plate, a first spring is sleeved on the outer side of the telescopic rod, a second end cover is fixedly connected to one side of the first spring, the telescopic rod is fixedly connected with the second end cover, the first end cover corresponds to the second end cover, each elastic mechanism comprises a hollow block, the two hollow blocks are fixedly connected to the middle part of the support plate, a first notch is formed in the bottom of each hollow block, and a hollow cylinder is fixedly connected to the top of each first notch.

Description

Anti-collision bumper

Technical Field

The utility model relates to the technical field of bumpers, in particular to an anti-collision bumper.

Background

The automobile bumper is a safety device for absorbing and relieving external impact force and protecting the front and rear parts of a vehicle body, and along with development of the automobile industry and mass application of engineering plastics in the automobile industry, the automobile bumper is an important safety device and also moves to an innovative road, the front and rear bumpers of a car are all made of plastics, and are called as plastic bumpers, and the plastic bumpers of general automobiles consist of an outer plate, a buffer material and a cross beam.

The prior art discloses an automobile anti-collision bumper with the application number of CN201721771217.8, which comprises a frame body, a buffer plate and a fixing plate, the frame body and the fixing plate are respectively fixed on an automobile through an energy absorption box, the buffer plate is parallel to the fixing plate, a buffer piece is arranged in a gap between the fixing plate and the buffer plate, the fixing plate and the buffer plate are connected through the buffer piece, the buffer plate covers the frame body, and the buffer plate can be shuttled in the frame body and is positioned on two sides of the frame body.

In the prior art, damage is reduced by arranging a buffer plate to shrink, and in practical application, the buffer force is insufficient, and a plurality of buffer mechanisms can be preferably arranged to better absorb collision force.

Therefore, it is necessary to design a bumper with high practicality and multiple cushioning.

Disclosure of utility model

The present utility model is directed to an anti-collision bumper, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anticollision bumper, includes the guard plate, the inside fixedly connected with backup pad of guard plate, two elastic mechanism of middle part fixedly connected with of backup pad, the first end cover of bottom fixedly connected with of elastic mechanism, one side fixedly connected with mounting panel of guard plate, one side fixedly connected with telescopic link of mounting panel, the outside cover of telescopic link is equipped with first spring, one side fixedly connected with second end cover of first spring, telescopic link and second end cover fixed connection, first end cover is corresponding with the second end cover.

According to the technical scheme, the elastic mechanism comprises a hollow block, two hollow blocks are fixedly connected to the middle of the supporting plate, a first notch is formed in the bottom of the hollow block, a hollow cylinder is fixedly connected to the top of the first notch, the first notch is communicated with the hollow cylinder, a second notch is formed in the hollow cylinder, a sliding block is slidably connected to the top of the hollow block, a second spring is fixedly connected to the inner top of the sliding block, a sliding rod is fixedly connected to the bottom of the second spring, the sliding rod is slidably connected to the inside of the hollow cylinder, a chute is formed in the inside of the sliding rod, a special-shaped block is slidably connected to the inside of the chute, a first end cover is fixedly connected to the bottom of the sliding rod, triangular blocks are fixedly connected to two sides of the inside of the sliding block, and the triangular blocks are slidably matched with the special-shaped block.

According to the technical scheme, the height of the special-shaped block is consistent with that of the second notch, the special-shaped block is in sliding fit with the second notch, the tip directions of the two triangular blocks are opposite, and the sliding rod extends to the outer side of the hollow block.

According to the technical scheme, the outside fixedly connected with smooth iron sheet of guard plate, the inside of guard plate is provided with the cavity, the cavity is inside to be equipped with a plurality of support columns.

Compared with the prior art, the utility model has the following beneficial effects:

(1) Through the support column that is provided with elastic mechanism, first spring, the smooth iron sheet in guard plate outside, the inside cavity of guard plate set up, make the car skew through the iron sheet, the resilience force of spring, the supporting effect of support column, through setting up a plurality of buffer gear, the impact when the maximum offset striking, when the collision, avoid the impact directly to damage the automobile body, reduced risk and cost of maintenance, also promoted the intensity and the shock resistance of whole device simultaneously.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a three-dimensional schematic of the present utility model;

In the figure: 1. a protection plate; 2. a support plate; 21. a hollow block; 22. a hollow cylinder; 3. a slide block; 31. triangular blocks; 32. a second spring; 33. a slide bar; 34. a special-shaped block; 35. a first end cap; 4. a telescopic rod; 41. a first spring; 42. a second end cap; 5. and (3) mounting a plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides the following technical solutions: the utility model provides an anti-collision bumper, including guard plate 1, guard plate 1's inside fixedly connected with backup pad 2, two elastic mechanism of middle part fixedly connected with of backup pad 2, elastic mechanism's bottom fixedly connected with first end cover 35, guard plate 1's one side fixedly connected with mounting panel 5, one side fixedly connected with telescopic link 4 of mounting panel 5, telescopic link 4's outside cover is equipped with first spring 41, one side fixedly connected with second end cover 42 of first spring 41, telescopic link 4 and second end cover 42 fixed connection, first end cover 35 corresponds with second end cover 42; when the automobile bumper is impacted, the protection plate 1 on the outer side is impacted first, the protection plate 1 is compressed, at the moment, the two elastic mechanisms on the support plate 2 are pressed, the elastic mechanisms counteract part of impact force, at the moment of serious impact, the first end cover 35 continues to be pressed downwards, at the moment, the first end cover 35 is close to the second end cover 42 and abuts against the second end cover 42, the first spring 41 is compressed, the rebound force counteracts part of impact force, the telescopic rod 4 mainly plays a guiding role, the mounting plate 5 is mounted on the automobile, and the bumper mounting role is played. Through being provided with elastic mechanism and first spring 41, when receiving the impact force, elastic mechanism cooperates first spring 41 energy-absorbing effectual impact force of having buffered, has played multiple cushioning's effect to the bumper, impact when can the maximum offset striking like this, when the collision, avoid impact force direct damage automobile body, reduced risk and cost of maintenance.

The elastic mechanism comprises a hollow block 21, the two hollow blocks 21 are fixedly connected to the middle of the supporting plate 2, a first notch is formed in the bottom of the hollow block 21, a hollow cylinder 22 is fixedly connected to the top of the first notch, the first notch is communicated with the hollow cylinder 22, a second notch is formed in the hollow cylinder 22, a sliding block 3 is slidably connected to the top of the hollow block 21, a second spring 32 is fixedly connected to the inner top of the sliding block 3, a sliding rod 33 is fixedly connected to the bottom of the second spring 32, the sliding rod 33 is slidably connected to the inner portion of the hollow cylinder 22, a chute is formed in the sliding rod 33, a special-shaped block 34 is slidably connected to the inner portion of the chute, a first end cover 35 is fixedly connected to the bottom of the sliding rod 33, triangular blocks 31 are fixedly connected to two sides of the inner portion of the sliding block 3, and the triangular blocks 31 are slidably matched with the special-shaped block 34; when collision happens, the protection plate 1 is extruded to press the sliding block 3, the triangular block 31 fixedly connected with the sliding block 3 moves downwards when being pressed downwards, the special-shaped block 34 in sliding fit with the triangular block 31 moves to one side, the special-shaped block 34 moves inside the second notch and also slides inside the chute, the sliding rod 33 is driven to move upwards when sliding, because the sliding rod 33 can slide inside the hollow cylinder 22, the hollow cylinder 22 is fixed, the second spring 32 is compressed when the sliding block 3 is compressed, the sliding rod 33 retracts towards the direction of the hollow block 21, the distance between the first end cover 35 and the second end cover 42 is increased, and thus the secondary buffering effect is good. By being provided with the second spring 32, the rebound force after compression can offset part of the impact force, reduce the degree of impact damage, through the recovery of the sliding rod 33 after compression for the distance between the secondary buffering increases, promotes the effect of the secondary buffering.

The height of the special-shaped block 34 is consistent with that of the second notch, the special-shaped block 34 is in sliding fit with the second notch, the directions of the tips of the two triangular blocks 31 are opposite, and the sliding rod 33 extends to the outer side of the hollow block 21; because the special-shaped blocks 34 slide in the second notch, the height of the special-shaped blocks 34 is kept consistent, the sliding of the special-shaped blocks 34 in the second notch can ensure the movement of the sliding rod 33, the effect of the whole device is ensured, the directions of the triangular blocks 31 are opposite, and the movement of the special-shaped blocks 34 can be ensured during sliding.

The outer side of the protection plate 1 is fixedly connected with a smooth iron sheet, a cavity is formed in the protection plate 1, and a plurality of support columns are arranged in the cavity; through the outside fixedly connected with smooth paster at guard plate 1, when receiving the striking like this, the car can also reduce the striking dynamics of part because the slip is to one side skew, through the skew, through set up the support column in the inside of cavity, also improve guard plate 1's intensity and shock resistance.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An anti-collision bumper comprising a protection plate (1), characterized in that: inside fixedly connected with backup pad (2) of guard plate (1), two elastic mechanism of middle part fixedly connected with of backup pad (2), the first end cover (35) of bottom fixedly connected with of elastic mechanism, one side fixedly connected with mounting panel (5) of guard plate (1), one side fixedly connected with telescopic link (4) of mounting panel (5), the outside cover of telescopic link (4) is equipped with first spring (41), one side fixedly connected with second end cover (42) of first spring (41), telescopic link (4) and second end cover (42) fixed connection, first end cover (35) are corresponding with second end cover (42).

2. A crash-bumper according to claim 1, wherein: the elastic mechanism comprises a hollow block (21), two hollow blocks (21) are fixedly connected to the middle of a supporting plate (2), a first notch is formed in the bottom of the hollow block (21), a hollow cylinder (22) is fixedly connected to the top of the first notch, the first notch is communicated with the hollow cylinder (22), a second notch is formed in the hollow cylinder (22), a sliding block (3) is slidably connected to the top of the hollow block (21), a second spring (32) is fixedly connected to the inner top of the sliding block (3), a sliding rod (33) is fixedly connected to the bottom of the second spring (32), a chute is formed in the sliding rod (33), a special-shaped block (34) is slidably connected to the chute, a first end cover (35) is fixedly connected to the bottom of the sliding rod (33), a triangular block (31) is fixedly connected to both sides of the inner portion of the sliding block (3), and the triangular block (31) is slidably matched with the special-shaped block (34).

3. A crash-bumper according to claim 2, wherein: the height of the special-shaped block (34) is consistent with that of the second notch, the special-shaped block (34) is in sliding fit with the second notch, the tip directions of the two triangular blocks (31) are opposite, and the sliding rod (33) extends to the outer side of the hollow block (21).

4. A crash-bumper according to claim 1, wherein: the novel protective plate is characterized in that a smooth iron sheet is fixedly connected to the outer side of the protective plate (1), a cavity is formed in the protective plate (1), and a plurality of supporting columns are arranged in the cavity.