CN219366678U

CN219366678U - Front end frame falls buffer block device that shocks resistance

Info

Publication number: CN219366678U
Application number: CN202320874224.XU
Authority: CN
Inventors: 孙洪海; 刘帅; 宋建龙; 王春辉; 刘磊; 陈令凯; 姚春冶
Original assignee: Changchun Yingli Automotive Industry Co ltd
Current assignee: Changchun Yingli Automotive Industry Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-07-18
Anticipated expiration: 2033-04-18

Abstract

The utility model relates to the technical field of machinery, and particularly provides a front end frame falling impact-resistant buffer block device which comprises mounting holes, a cage-type rigidity-variable metal framework and a rubber shell; the mounting holes are used for being connected with the front end frame of the vehicle, and the cage-type rigidity-variable metal framework and the rubber shell are used for buffering and providing strength; the cage type rigidity-variable metal framework comprises a plurality of reducer pipe columns, a mounting bracket, an upper fixing table, a base and a supporting frame. The device can effectively improve the impact resistance of the front end frame structure in step falling, and meanwhile, the buffer block structure has the advantages of being replaceable, low in price, multi-stage in buffering energy absorption effect and the like, and has greater use value and popularization value.

Description

Front end frame falls buffer block device that shocks resistance

Technical Field

The utility model relates to the technical field of machinery, in particular to a front end frame falling impact-resistant buffer block device.

Background

The front end frame is used as an essential component of the passenger vehicle and plays a role of bearing important parts such as a radiator, a headlight, a cover lock, a stay bar, a loudspeaker, a washing kettle and the like; the performances of the front end frame such as self strength, rigidity, mode and the like have reuse effects on the performances of vibration, comfort, safety and the like of the whole vehicle. The existing front end frame structure is used for enhancing the impact resistance of the step drop of the lower cross beam of the front end frame, a method for increasing the local thickness of the structure is often adopted, but the impact damage of the front end frame in the step drop is still difficult to ensure, once the front end frame is damaged, the whole front end frame needs to be replaced, the cost and the loss are large, and the economy and the maintenance convenience of the whole vehicle maintenance are not facilitated.

Disclosure of Invention

In order to solve the problems, the utility model provides a front end frame falling impact-resistant buffer block device.

The utility model aims to provide a front end frame falling impact-resistant buffer block device which comprises mounting holes, a cage-type rigidity-variable metal framework and a rubber shell;

the mounting hole is positioned at the uppermost end of the device and is used for being connected with the front end frame of the vehicle;

the rubber shell is coated on the outer side of the cage type rigidity-variable metal framework, and the rubber shell and the cage type rigidity-variable metal framework are used for buffering and providing strength;

the cage type rigidity-variable metal framework comprises a plurality of reducer pipe columns, wherein the reducer pipe columns are cylinders with the diameters gradually increased from bottom to top, the junction of pipe columns with different diameters is a platform, and a plurality of round holes are formed in the surfaces of the reducer pipe columns.

Preferably, the cage type rigidity-variable metal framework further comprises a mounting bracket, an upper fixing table, a base and a supporting frame;

the mounting bracket is positioned at the uppermost end of the cage type rigidity-variable metal framework and is fixedly connected with the upper fixing table;

the upper fixing table is fixedly connected with the upper end of the reducer pipe column;

the base is positioned at the bottom of the cage type rigidity-variable metal framework and fixedly connected with the lower end of the reducer pipe column;

the support frame is located the cage type rigidity-variable metal framework side, connects the base and the upper fixed table.

Preferably, the mounting bracket is of a triangular embedded circular ring structure; the circular ring part corresponds to the position of the mounting hole.

Preferably, the upper fixing table is at 90 ° to the mounting bracket.

Preferably, the area of the base is larger than the area of the upper fixing table.

Preferably, the support frame is provided with a plurality of round holes, and the angle between the support frame and the base is 30-80 degrees.

Preferably, the number of the reducer pipe columns is not less than 10.

Preferably, the number of the round holes on the reducer pipe column is not less than 4.

The beneficial effects of the utility model are as follows:

(1) Can be replaced and is quick to replace;

(2) The cost is low, and the production is easy;

(3) The cost performance of maintenance replacement is high;

(4) The multi-stage impact resistance is achieved, and the energy absorption effect is better.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a front end frame drop impact-resistant buffer block device according to an embodiment of the present utility model.

Fig. 2 is a schematic view of an internal reinforcing structure of a front end frame drop impact-resistant buffer block device according to an embodiment of the present utility model.

Fig. 3 is a schematic view of a front end frame structure without the present device according to an embodiment of the present utility model.

Fig. 4 is a schematic view of a front end frame structure for mounting the device according to an embodiment of the present utility model.

Reference numerals: 1. a rubber housing; 2. cage-type rigidity-variable metal framework; 3. a mounting hole; 201. a mounting bracket; 202. an upper fixing table; 203. a base; 204. reducing pipe column; 205. and (5) supporting frames.

Detailed Description

In order to solve the defects in the prior art, the utility model provides a front end frame falling impact-resistant buffer block structure.

As shown in fig. 1-2, the content of the utility model is realized by the following technical scheme: the device comprises a rubber shell 1, a cage-type rigidity-variable metal framework 2 and a mounting hole 3;

the rubber shell 1 is coated on the outer side of the cage type rigidity-variable metal framework 2, and the rubber shell and the cage type rigidity-variable metal framework are used for buffering and providing strength; the mounting hole 3 is positioned at the upper end of the device and is fixedly connected with the front end frame of the vehicle;

the cage type rigidity-variable metal framework 2 comprises a mounting bracket 201, an upper fixing table 202, a base 203, a reducer pipe column 204 and a supporting frame 205; the mounting bracket 201 is arranged at the uppermost end of the most cage type rigidity-variable metal framework 2 and is of a triangular embedded circular ring structure, and the circular ring part is the position of the mounting hole 3; the upper fixing table 202 is fixedly connected with the upper end of the reducer pipe column and is connected with the mounting bracket at 90 degrees; the base 203 is positioned at the bottom and fixedly connected with the lower end of the reducer pipe column, and the area of the base 203 is larger than that of the upper fixed table 202; the variable-diameter pipe column 204 is a cylinder with gradually increased diameter from bottom to top, the junction between different pipe diameters is a platform, and round holes are formed on the surface of each variable-diameter pipe column so that rubber materials can be injected into the variable-diameter pipe column to form a better buffering and energy absorbing effect; the supporting frame 205 is positioned on the side surface, the base 203 and the upper fixed table 202 are connected, the angle between the base and the upper fixed table is 30-80 degrees, and a plurality of round holes are formed in the supporting frame 205; the rubber shell 1 is formed by rubber injection molding and completely filled into the cage type rigidity-variable metal framework 2.

The present utility model will be described in further detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limiting the utility model.

Example 1

3-4 illustrate a front end frame without the present device installed and a front end frame with the present device installed;

compare the front end frame that does not install this device with install this device, through simulation analysis:

when the buffer block structure is not adopted, and the acting force is borne by the supporting point of the lower cross beam of the front end frame alone, the acting force is larger than 4500N, the rib plate structures at the supporting points on two sides reach the yield stress of the material, and the material is damaged to generate rupture at first;

when the buffer block structures are added on two sides and the acting force is larger than 7000N, the lower rigidity tubular column structure of the cage type variable rigidity metal framework 2 is crushed and deformed;

when the acting force is greater than 9600N, two-stage rigidity pipe columns participate in bearing deformation, and structural stress of rib plates at supporting points on two sides reaches yield stress of materials, so that material failure is easy to occur.

While embodiments of the present utility model have been illustrated and described above, it will be appreciated that the above described embodiments are illustrative and should not be construed as limiting the utility model. Variations, modifications, alternatives and variations of the above-described embodiments may be made by those of ordinary skill in the art within the scope of the present utility model.

The above embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.

Claims

1. The utility model provides a front end frame falls buffer block device that shocks resistance which characterized in that: the device comprises a mounting hole, a cage-type rigidity-variable metal framework and a rubber shell;

2. The front end frame drop impact bumper assembly of claim 1, wherein: the cage type rigidity-variable metal framework further comprises a mounting bracket, an upper fixing table, a base and a supporting frame;

3. The front end frame drop impact buffer device of claim 2, wherein: the mounting bracket is of a triangular embedded circular ring structure; the circular ring part corresponds to the position of the mounting hole.

4. A front end frame drop impact bumper assembly according to claim 3, wherein: the upper fixing table and the mounting bracket form 90 degrees.

5. The front end frame drop impact bumper assembly of claim 4, wherein: the area of the base is larger than that of the upper fixing table.

6. The front end frame drop impact bumper assembly of claim 5, wherein: the support frame is provided with a plurality of round holes, and the angle between the support frame and the base is 30-80 degrees.

7. The front end frame drop impact bumper assembly of claim 6, wherein: the number of the reducer pipe columns is not less than 10.

8. The front end frame drop impact bumper assembly of claim 7, wherein: the number of the round holes on the reducer pipe column is not less than 4.