CN215883558U

CN215883558U - A but, many welded structure that is used for door plant side to bump weakening energy absorption

Info

Publication number: CN215883558U
Application number: CN202121524402.3U
Authority: CN
Inventors: 景高峰; 郭晓; 胡永; 范常鑫; 陈超
Original assignee: Yanfeng Hainachuan Automotive Trim Systems Co Ltd
Current assignee: Yanfeng Hainachuan Automotive Trim Systems Co Ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-02-22
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses a multi-piece welding structure for weakening and absorbing energy during side impact of a door panel, which comprises a plurality of welding components, wherein the welding components are arranged on one side far away from the hinged end of a vehicle door; but many welded component one end is equipped with welding post structure support plane, and the other end is equipped with the support inclined plane, is connected with door plant or other intensity component through the welding post on the welding post structure support plane, and the one end that supports the inclined plane is connected with the energy-absorbing structure carrier that is close to carriage inside with certain inclination, and the other end is to welding post structure support plane direction protrusion, and with welding post structure support plane body coupling. The energy absorption structure is simple in structure, the support inclined plane and the energy absorption structure carrier are arranged at a certain inclination, so that the raw material cost is reduced, the equipment and mould design is simplified, and the requirements of multiple welding strengths and weakening of energy absorption caused by side collision of the door plate are met.

Description

A but, many welded structure that is used for door plant side to bump weakening energy absorption

Technical Field

The utility model relates to the technical field of side impact weakening of door plates, in particular to a multi-piece welding structure for side impact weakening and energy absorption of door plates.

Background

When the door panel side impact experiment is carried out, the phenomenon that the damage value to a dummy is increased due to the fact that a plurality of door panel structures need to be welded in a side impact area frequently occurs, so that the score is reduced, and the side impact experiment cannot pass;

in order to reduce the strength of the door panel, most of the existing door panels are provided with weakening energy absorption structures at the waist line position, the weakening energy absorption structures are conventionally used in a hole digging mode and are usually connected in a two-piece screw mode, the structure consumes more materials, the cost of the used screws is high, and the energy absorption effect is general; at present a few door plant stringcourse positions arrange weakening energy-absorbing structure and adopt "right angle" mode, this mode also cooperates the screw fastening to use usually, even if the welding also adopts two welding and welding equipment to arrange alone usually and support the ejector pad, equipment is complicated, can't satisfy current low-cost demand.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a multi-piece welding structure for weakening side impact and energy absorption of a door plate.

The utility model discloses a multi-piece welding structure for weakening energy absorption during side impact of a door panel, which comprises a plurality of welding components, wherein the plurality of welding components are arranged on one side far away from the hinged end of a vehicle door;

the welding structure comprises a plurality of welding members, a door panel and other strength members, wherein the welding members are connected with the door panel or other strength members through welding pillars, one ends of the welding members are provided with welding pillar structure supporting planes, the other ends of the welding members are provided with supporting inclined planes, one ends of the supporting inclined planes are connected with energy absorption structure carriers close to the interior of a carriage in a certain inclination, and the other ends of the supporting inclined planes protrude towards the welding pillar structure supporting planes and are integrally connected with the welding pillar structure supporting planes.

As a further improvement of the utility model, the height of the multi-piece welding component can be consistent with the height of the chest, abdomen, thigh or lower leg of the passenger in the vehicle.

As a further improvement of the utility model, a welding column supporting rib is further arranged at the joint of the welding column and the welding column structure supporting plane, the welding column supporting rib is C-shaped, and the welding column is wrapped in the middle.

As a further improvement of the utility model, the inclination angle of the supporting inclined plane and the energy-absorbing structure carrier in the horizontal direction is more than 0 degree and not more than 90 degrees.

As a further improvement of the utility model, the welding column structure further comprises a vertical surface support rib, and the vertical surface support rib is arranged between the support plane and the support inclined surface of the welding column structure and used for increasing the support strength.

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

the door panel welding device is simple in structure and convenient to process, the support inclined plane and the welding column structure support surface are arranged, the inclination angle of the support inclined plane and the energy absorption structure carrier is adjusted, the welding strength of door panels in different matching forms can be guaranteed, the injury value to a human body can be reduced through energy absorption during side collision, and meanwhile, as the door panel welding device does not need multiple screws for connection, the raw material cost is greatly reduced, the design of equipment and a mould is simplified, and the construction and the operation are convenient.

Drawings

FIG. 1 is a schematic structural diagram of a support bevel and an energy absorbing structure carrier with an inclination angle of 30 degrees of a multi-piece welding structure for weakening energy absorption by side impact of a door panel;

FIG. 2 is a schematic structural view of a support bevel of a multi-piece weldable structure for weakening energy absorption by side impact of a door panel and a 45-degree inclination angle of a carrier of the energy absorption structure, disclosed by the utility model;

FIG. 3 is a schematic structural diagram of a support inclined plane and an energy absorption structure carrier of a multi-piece welding structure for weakening energy absorption by side impact of a door panel, which is disclosed by the utility model, with an inclination angle of 90 degrees.

In the figure:

1. welding the column; 2. welding a column support rib; 3. welding a column structure support plane; 4. a vertical face supporting rib; 5. a support ramp; 6. an energy absorbing structural carrier.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model is described in further detail below with reference to the attached drawing figures:

the utility model discloses a multi-piece welding structure for weakening and absorbing energy during side collision of a door panel, which comprises a plurality of welding components, wherein the welding components are arranged on one side far away from the hinged end of a vehicle door and are consistent with the chest position of a passenger; but many welded component one end is equipped with welding post structure supporting plane 3, and the other end is equipped with support inclined plane 5, is connected with door plant or other intensity component through welding post 1 on the welding post structure supporting plane 3, and the one end that supports inclined plane 5 is connected with the energy-absorbing structure carrier 6 that is close to the carriage inside with certain inclination, and the other end is to 3 direction bulges of welding post structure supporting plane, and with 3 body coupling of welding post structure supporting plane.

The door panel welding device is simple in structure and convenient to process, the inclined supporting surface 5 and the welding column structure supporting surface 3 are arranged, the inclined angles of the inclined supporting surface 5 and the energy absorption structure carrier 6 are adjusted, the welding strength of door panels in different matching forms can be guaranteed, the damage value to a human body can be reduced through energy absorption during side collision, and meanwhile, as the door panel welding device does not need multiple screws for connection, the cost of raw materials is greatly reduced, the design of equipment and a mould is simplified, and the construction and the operation are convenient.

Specifically, the method comprises the following steps:

as shown in fig. 1, a welding column support rib 2 is further arranged at the joint of a welding column 1 and a welding column structure support plane 3, the welding column support rib 2 is used for supporting the surface of an opponent part participating in welding, the welding column support rib 2 is in a C shape, and the welding column 1 is wrapped in the middle; the welding column 1, the welding column support rib 2 and the welding column structure support plane 3 are integrally connected, the width of the welding column structure support plane 3 can be adjusted according to specific actual requirements, and the width of the welding column structure support plane 3 is preferably 20 mm.

Further, as shown in fig. 1-3, the support bevel 5 and the energy-absorbing structure carrier 6 of the utility model are arranged at a certain included angle in the horizontal direction, and the included angle is greater than 0 degree and not greater than 90 degrees. The energy-absorbing structure carrier 6 comprises an interior trim panel made of energy-absorbing materials or other equivalent decorative parts meeting the energy-absorbing requirements.

Furthermore, the utility model also comprises a vertical face support rib 4, wherein the vertical face support rib 4 is arranged between the welding column structure support plane 3 and the support inclined plane 5 and is used for increasing the support strength, and the vertical face support rib 4 can be used for connecting the middle point of the welding column structure support plane 3 and the support inclined plane 5 so as to increase the integral support strength of a plurality of welding components.

Furthermore, the arrangement height of the plurality of welding components is consistent with the height of the chest of a passenger, and the plurality of welding components can be arranged at the height positions of the door panel corresponding to the abdomen, the thigh and the shank, so that the energy absorption protection of the chest, the abdomen, the thigh and the thigh of the passenger is realized, and the application range of the utility model is enlarged.

The installation method of the embodiment comprises the following steps:

1) selecting a plurality of pieces of welding components of the supporting inclined surface 5 with proper inclined angles according to different vehicle door types and energy absorption requirements;

2) one end of a welding column 1 of a plurality of welding components is connected with a car door guard plate or other strength components, one end of a supporting inclined plane 5 is connected with an energy absorption structure carrier 6 at a certain inclination, and the connection and installation of the plurality of welding components are completed.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-piece weldable structure for weakening energy absorption caused by side impact of a door panel is characterized by comprising a multi-piece weldable member, wherein the multi-piece weldable member is arranged on the side away from the hinged end of a vehicle door;

2. The weldable structure of claim 1, wherein the weldable structure is configured to be welded to a height of a thoracoabdominal, thigh, or lower leg of an occupant of the vehicle.

3. The multipartite welding structure for side impact weakening energy absorption of door panels according to claim 1, wherein a welding column support rib is arranged at the joint of the welding column and the support plane of the welding column structure, the welding column support rib is in a C shape and wraps the welding column in the middle.

4. The multipack weldable structure of claim 1 wherein the angle of inclination of the support ramp to the energy absorbing structure carrier in the horizontal direction is greater than 0 degrees and less than or equal to 90 degrees.

5. The multipartite weldable structure of claim 1, further comprising a riser brace disposed between the weld beam support plane and the support ramp for increased support strength.