CN212766089U

CN212766089U - Automobile rear bumper with buffering function

Info

Publication number: CN212766089U
Application number: CN202021594971.0U
Authority: CN
Inventors: 徐振豪
Original assignee: Guangzhou Laige Auto Accessories Co ltd
Current assignee: Guangzhou Laige Auto Accessories Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-03-23
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses an automobile rear bumper with buffering function, which comprises a fixed plate, a mounting plate is fixedly arranged on the outer wall of one side of the fixed plate, a fixed shell is welded on the outer wall of one side of the mounting plate, which is far away from the fixed plate, sliding grooves are arranged on two inner side walls of the fixed shell, a slide block is arranged inside the sliding grooves, a movable plate is welded on the outer wall of one side of the slide block, a movable shaft is welded on one side wall of the movable plate and passes through the fixed shell, a connecting plate is welded on one end of the movable shaft, which is far away from the movable plate, an outer spring is sleeved on the outer wall of the movable shaft, the fixed shell is rectangular, the slide block is T-shaped and is clamped inside the sliding grooves, the movable shaft is cylindrical, an inner spring is arranged inside the fixed shell, two ends of the inner spring are respectively fixedly, and the stop lever is positioned inside the fixed shell, and the outer wall of one side of the movable plate, which is far away from the movable shaft, is welded with a limiting rod.

Description

Automobile rear bumper with buffering function

Technical Field

The utility model relates to a protect thick stick behind car specifically is a protect thick stick behind car with buffer function.

Background

The automobile front and rear ends are provided with bumpers which not only have decoration function, but also more importantly absorb and buffer external impact force and protect the automobile body and the safety device of the safety function of passengers, the bumpers have the functions of safety protection, vehicle decoration, aerodynamic characteristics of the automobile and the like, from the safety aspect, the automobile can play a role of buffering when a low-speed collision accident occurs, the front automobile body and the rear automobile body are protected, and can play a certain role of protecting pedestrians when an accident occurs with the pedestrians, and the automobile front and rear bumpers have decoration effect and become important parts for decorating the appearance of the car from the appearance aspect.

The automobile rear bumper in the existing market is rigidly connected with an automobile body, and when violent impact occurs, the automobile rear bumper does not have good buffering function and the function of protecting the safety of the automobile body and passengers, has poor safety and is easy to cause casualties, so that the automobile rear bumper with the buffering function is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protect thick stick behind car with buffer function to solve the current relatively poor problem of device shock-absorbing capacity who proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a protect thick stick behind car with buffer function, includes the fixed plate, the fixed mounting panel that is provided with on one side outer wall of fixed plate, the mounting panel is kept away from the welding has fixed casing on one side outer wall of fixed plate, the spout has been seted up on two inside walls of fixed casing, the inside of spout is provided with the slider, the welding has the fly leaf on one side outer wall of slider, the welding has the loose axle on a lateral wall of fly leaf, just the loose axle passes fixed casing, the loose axle is kept away from the one end welding of fly leaf has the connecting plate, the cover is equipped with the external spring on the outer wall of loose axle, the connecting plate passes through bolt fixedly connected with bumper body.

As a further aspect of the present invention: the fixed shell is cuboid.

As a further aspect of the present invention: the shape of slider is "T" shape, just the slider joint is in the inside of spout.

As a further aspect of the present invention: the movable shaft is cylindrical.

As a further aspect of the present invention: the inside of fixed casing is provided with the innerspring, just the both ends of innerspring respectively with the mounting panel with fly leaf fixed connection.

As a further aspect of the present invention: the welding has the pin on the lateral wall of mounting panel, just the pin is located the inside of fixed casing, the fly leaf is kept away from the welding has the gag lever post on one side outer wall of loose axle.

As a further aspect of the present invention: a first mounting hole is formed in the mounting plate, and a second mounting hole is formed in the connecting plate.

As a further aspect of the present invention: the fixed plate is far away from the rubber pad is fixedly arranged on the outer wall of one side of the mounting plate, and the fixed plate is provided with a screw hole.

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

1. the device has a certain buffering function through the arranged fixed shell, the movable plate, the movable shaft, the connecting plate and the outer spring, the movable plate has better stability during movement under the action of the sliding groove and the sliding block, and the buffering effect of the device is further improved through the arranged inner spring;

2. the bumper body is provided with the stop lever and the limiting lever, so that the outer spring and the inner spring can be well protected, when the bumper body is impacted by external force, the outer spring and the inner spring are stressed and compressed to generate deformation, when the bumper body is compressed to a certain degree, the limiting lever is contacted with the stop lever, the outer spring and the inner spring are prevented from continuously deforming, the damage caused by the over-limit stress of the bumper body is prevented, and the service life of the bumper body is prolonged;

3. the mounting panel passes first mounting hole through the bolt and installs on the fixed plate, and the connecting plate passes second mounting hole and bumper body fixed connection through the bolt, is convenient for install and dismantle whole device like this to be convenient for maintain it.

Drawings

FIG. 1 is a top view of a rear bumper of an automobile with a cushion function;

FIG. 2 is a sectional view of a structure of a fixed housing in a rear bumper of an automobile having a buffering function;

FIG. 3 is a schematic structural diagram of a fixed housing in a rear bumper of an automobile with a buffering function;

fig. 4 is a schematic structural diagram of a movable plate in a rear bumper of an automobile with a buffering function.

In the figure: 1-fixed plate, 2-mounting plate, 3-fixed shell, 4-sliding chute, 5-sliding block, 6-movable plate, 7-movable shaft, 8-connecting plate, 9-outer spring, 10-bumper body, 11-inner spring, 12-stop lever, 13-limiting lever, 14-first mounting hole, 15-second mounting hole and 16-rubber pad.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-4, an automobile rear bumper with a buffering function comprises a fixed plate 1, a mounting plate 2 is fixedly arranged on an outer wall of one side of the fixed plate 1, a fixed shell 3 is welded on an outer wall of one side of the mounting plate 2, which is away from the fixed plate 1, the fixed shell 3 is rectangular, sliding grooves 4 are formed in two inner side walls of the fixed shell 3, sliding blocks 5 are arranged in the sliding grooves 4, the sliding blocks 5 are T-shaped, the sliding blocks 5 are clamped in the sliding grooves 4, a movable plate 6 is welded on an outer wall of one side of the sliding blocks 5, under the action of the sliding grooves 4 and the sliding blocks 5, the movable plate 6 is stable when in movement, a movable shaft 7 is welded on one side wall of the movable plate 6, the movable shaft 7 penetrates through the fixed shell 3, the movable shaft 7 is cylindrical, a connecting plate 8 is welded on one end of the movable shaft 7, which is away from the, connecting plate 8 is through bolt fixedly connected with bumper body 10, when bumper body 10 receives external force striking, drive connecting plate 8, loose axle 7 and fly leaf 6 motion, connecting plate 8 compression outer spring 9 produces deformation, thereby play certain buffering guard action, the inside of stationary housing 3 is provided with inner spring 11, and inner spring 11's both ends respectively with mounting panel 2 and fly leaf 6 fixed connection, fly leaf 6 compression inner spring 11 produces deformation, thereby further improve the device's buffering effect.

As shown in fig. 2, a side wall of the mounting plate 2 is welded with a stop lever 12, the stop lever 12 is located inside the fixed housing 3, the movable plate 6 is welded with a limit lever 13 on an outer wall of a side away from the movable shaft 7, and when the outer spring 9 and the inner spring 11 are compressed to a certain degree under stress, the limit lever 13 contacts with the stop lever 12 to prevent the outer spring 9 and the inner spring 11 from continuously deforming, thereby preventing the outer spring 9 and the inner spring 11 from being damaged due to the over-limit of the stress.

Referring to fig. 1 and 2, a first mounting hole 14 has been opened on the mounting plate 2, the mounting plate 2 passes through the first mounting hole 14 through the bolt and is installed on the fixing plate 1, a second mounting hole 15 has been opened on the connecting plate 8, the connecting plate 8 passes through the second mounting hole 15 through the bolt and is fixedly connected with the bumper body 10, a rubber pad 16 is fixedly arranged on the outer wall of one side of the fixing plate 1 away from the mounting plate 2, so that the buffering performance of the device can be further improved, a screw hole has been opened on the fixing plate 1, and the bolt passes through the screw hole on the fixing plate 1 to fixedly install the device on the automobile.

The utility model discloses a theory of operation is: the utility model relates to a bumper with buffer function behind car, when using, the mounting panel 2 passes first mounting hole 14 through the bolt and installs on fixed plate 1, connecting plate 8 passes second mounting hole 15 through the bolt and is fixedly connected with bumper body 10, then fix the device on the car through fixed plate 1, when bumper body 10 receives external force striking, drive connecting plate 8, loose axle 7 and fly leaf 6 and move, connecting plate 8 compresses outer spring 9 and produces deformation, thereby plays certain buffering guard action, fly leaf 6 compresses inner spring 11 and produces deformation, thereby further improve the buffer effect of the device, under the effect of spout 4 and slider 5, stability is better when fly leaf 6 moves, when outer spring 9 and inner spring 11 receive the atress and compress to a certain extent, gag lever post 13 contacts with pin 12, prevent outer spring 9 and inner spring 11 from continuing to warp, thereby preventing the bearing from being damaged due to the overrun.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A rear bumper with a buffer function for an automobile comprises a fixing plate (1) and is characterized in that, the outer wall of one side of the fixed plate (1) is fixedly provided with a mounting plate (2), the outer wall of one side of the mounting plate (2) far away from the fixed plate (1) is welded with a fixed shell (3), the two inner side walls of the fixed shell (3) are provided with sliding chutes (4), the sliding chutes (4) are internally provided with sliding blocks (5), a movable plate (6) is welded on the outer wall of one side of the sliding block (5), a movable shaft (7) is welded on one side wall of the movable plate (6), the movable shaft (7) penetrates through the fixed shell (3), a connecting plate (8) is welded at one end of the movable shaft (7) far away from the movable plate (6), the outer wall of the movable shaft (7) is sleeved with an outer spring (9), and the connecting plate (8) is fixedly connected with a bumper body (10) through a bolt.

2. The bumper with a cushion function for an automobile according to claim 1, wherein the stationary housing (3) has a rectangular parallelepiped shape.

3. The automobile rear bumper with the buffering function according to claim 1, characterized in that the slider (5) is T-shaped, and the slider (5) is clamped inside the sliding groove (4).

4. The automobile rear bumper with a buffering function according to claim 1, characterized in that the movable shaft (7) is cylindrical.

5. The automobile rear bumper with the buffering function as claimed in claim 1, wherein an inner spring (11) is arranged inside the fixed shell (3), and two ends of the inner spring (11) are fixedly connected with the mounting plate (2) and the movable plate (6) respectively.

6. The automobile rear bumper with the buffering function as claimed in claim 1, wherein a stop lever (12) is welded on one side wall of the mounting plate (2), the stop lever (12) is located inside the fixed shell (3), and a limiting rod (13) is welded on the outer wall of one side of the movable plate (6) far away from the movable shaft (7).

7. The automobile rear bumper with the buffering function as claimed in claim 1, wherein a first mounting hole (14) is formed in the mounting plate (2), and a second mounting hole (15) is formed in the connecting plate (8).

8. The automobile rear bumper with the buffering function is characterized in that a rubber pad (16) is fixedly arranged on the outer wall of one side, away from the mounting plate (2), of the fixing plate (1), and a screw hole is formed in the fixing plate (1).