CN217969662U

CN217969662U - High-strength B-pillar inner lower reinforcing plate

Info

Publication number: CN217969662U
Application number: CN202222115705.0U
Authority: CN
Inventors: 戴石坚; 杨煜; 黄素霞
Original assignee: Jiangsu Fuxiang Automobile Technology Co ltd
Current assignee: Jiangsu Fuxiang Automobile Technology Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2022-12-06
Anticipated expiration: 2032-08-11

Abstract

The utility model relates to a lower reinforcing plate in B post of high strength relates to automobile parts technical field, aims at improving that the reinforcing plate structure is comparatively single, leads to the holistic structural strength of reinforcing plate poor problem. The utility model provides a lower reinforcing plate in B post of high strength, includes the reinforcing plate body, the reinforcing plate body includes the main part and buckles and set up in the extension of main part both sides, two the extension all buckles towards the direction of keeping away from the B post. This application has the effect that improves the structural strength of reinforcing plate.

Description

High-strength B-pillar inner lower reinforcing plate

Technical Field

The application relates to the technical field of automobile parts, in particular to a high-strength B-pillar inner lower reinforcing plate.

Background

With the development of society, the popularity of automobiles is increasing, and the collision safety performance of automobiles is also gradually valued by users, wherein the side collision performance of automobiles is one of the important indexes for measuring the safety performance of automobiles. The B column is positioned between the front door and the rear door of the automobile and is fixed with one end of the safety belt, is an important bearing component on the side surface of the automobile body, and directly concerns the safety performance of the side collision of the automobile.

In the related art, in order to increase the structural strength of the B-pillar and improve the safety performance of the side collision of the automobile, generally: (1) Optimizing the material grades of the B column reinforcing plate and the B column, and adopting ultrahigh-strength steel; (2) increasing the thickness of the plate of the B-pillar reinforcing plate and the B-pillar; however, both methods increase the finished product of the automobile and the weight of the automobile, which are not beneficial to the light weight of the automobile body.

Chinese patent with publication number CN204432788U discloses a lower reinforcing structure of a B column of an automobile and the automobile, which comprises a lower reinforcing structure plate of the B column, an inner plate of the B column, an outer plate of a threshold and a bracket of the lower reinforcing structure of the B column, wherein the lower reinforcing structure plate of the B column is fixed with the inner plate of the B column and the outer plate of the threshold in a welding way; the B-pillar lower reinforcing structure support comprises a first connecting end and a second connecting end, the first connecting end is fixedly connected with the B-pillar lower reinforcing structure plate, and the second connecting end is naturally overlapped and fixed with the B-pillar inner plate and the doorsill outer plate, so that the B-pillar of the automobile is reinforced.

In view of the related art described above, the inventors found that the following problems exist in the art: the reinforcing plate in the related art is single in structure, so that the overall structural strength of the reinforcing plate is poor, the reinforcing effect on the structural strength of the B column of the automobile is poor, and the structural strength needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to improve the reinforcing plate structure comparatively single, lead to the holistic structural strength of reinforcing plate poor problem, this application provides a reinforcing plate under in B post of high strength.

The application provides a lower reinforcing plate adopts following technical scheme in B post of high strength:

the utility model provides a lower reinforcing plate in B post of high strength, includes the reinforcing plate body, the reinforcing plate body includes the main part and buckles and set up in the extension of main part both sides, two the extension all buckles towards the direction of keeping away from the B post.

By adopting the technical scheme, the extension part bent on the main body part increases the structural strength of the single and flat main body part, so that the structural strength of the reinforcing plate body is improved, and the structural strength of the automobile B column is improved by the reinforcing plate body; in addition, the bent extending part can decompose the acting force transmitted to the reinforcing plate body by the automobile B column into acting forces in multiple directions, so that the loading capacity of the reinforcing plate body and the automobile B column is improved.

Preferably, each extension is provided with a plurality of clamping protrusions which are used for abutting against the inside of the B column at intervals.

By adopting the technical scheme, the clamping protrusion is convenient for clamping and fixing the extension part in the B column of the automobile, and the quick positioning and installation of the reinforcing plate body are realized; meanwhile, the extension part increases the structural strength of the extension part and improves the integral structural strength of the reinforcing plate body.

Preferably, each clamping protrusion has a cross section gradually increasing towards a direction away from the main body part.

By adopting the technical scheme, the shape of the clamping bulge is convenient for stably clamping the extension part in the B column of the automobile through the clamping bulge; when car B post applyed the effect to the extension, the joint is protruding can disperse effort towards a plurality of directions, has reduced the cracked phenomenon of reinforcing plate body that the concentration of extension internal stress leads to and has taken place.

Preferably, the body portion is provided with a lightening hole.

By adopting the technical scheme, the weight of the main body part is reduced by the lightening holes, so that the light weight of the automobile body is convenient to realize; in addition, the lightening holes reduce the concentration of stress inside the main body; meanwhile, the material requirement of the reinforcing plate body is reduced due to the lightening holes, the production cost of the reinforcing plate body is reduced, and the economic benefit is improved.

Preferably, the main body portion is provided with a flange along an edge of the lightening hole.

Through adopting above-mentioned technical scheme, the turn-ups has increased the structural strength that the main part is located lightening hole department, and when the reinforcing plate body suffered external force, the turn-ups has reduced the main part and has appeared cracked phenomenon in lightening hole department.

Preferably, the main body part is provided with a reinforcing protrusion, and the main body part is provided with a reinforcing groove; the reinforcing protrusion is located on one side of the lightening hole, and the reinforcing groove is located on the other side of the lightening hole.

Through adopting above-mentioned technical scheme, consolidate protruding and the reinforcement recess and all increased the structural strength of main part, simultaneously, consolidate protruding and the reinforcement recess and also reduced the effort that the main part suffered in lightening hole department to reduce the main part and in lightening the cracked phenomenon of hole department appearance.

Preferably, one side of each extending part, which is far away from the main body part, is provided with a turning plate, and each turning plate is provided with a reinforcing rib.

Through adopting above-mentioned technical scheme, turn over the board and increased the structural strength of extension, simultaneously, turn over the board and increased the area of contact of extension and car B post, operating personnel can be along turning over the length direction of board and will turn over board and car B post and carry out welded fastening to the installation stability of reinforcing plate body has been improved.

Preferably, the side wall of the main body part is provided with an extending edge, and the side wall of the extending edge far away from the main body part is provided with a plurality of mounting plates connected with the B column of the automobile.

Through adopting above-mentioned technical scheme, prolong the limit and increased the structural strength of main part, the mounting panel is convenient for carry out fixed connection with main part and car B post, has increased the connection area of reinforcing plate body and car B post to the installation stability of reinforcing plate body has been improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through setting up the main part and buckling in the extension of main part both sides, the main part has increased the structural strength of main part through setting up the reinforcement arch and consolidating the recess, and the extension has increased the structural strength of extension through setting up the joint arch to improve this holistic structural strength of reinforcing plate body, so that this body improvement car B post structural strength of reinforcing plate.

2. The installation stability of reinforcing plate body has been improved to joint arch through setting up the joint that sets up on the extension and offset with B post inside sets up the board that turns over that links to each other with the B post on the extension, sets up in the inside continuous mounting panel of B post on the main part, has increased the connection area and the tie point of reinforcing plate body and B post.

Drawings

FIG. 1 is a schematic structural view of a high-strength B-pillar inner and lower reinforcement plate according to an embodiment of the present disclosure;

fig. 2 is a schematic structural view for showing a connection relationship between the main body and the extension board.

Description of the reference numerals:

1. a reinforcing plate body; 11. a main body part; 111. a relief hole; 1111. flanging; 112. reinforcing the protrusion; 113. reinforcing the groove; 114. edge extension; 1141. mounting a plate; 12. an extension portion; 120. mounting holes; 121. clamping the bulges; 122. turning over a plate; 1221. and (7) reinforcing ribs.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses reinforcing plate under in B post of high strength.

Referring to fig. 1 and 2, a high-strength B-pillar inner lower gusset includes a gusset body 1, and in the present embodiment, the gusset body 1 may be made of CR 780T/420Y-6060G. The reinforcing plate body 1 comprises a main body part 11 and extension parts 12 which are integrally formed on two sides of the main body part 11 in the width direction, and the main body part 11 is connected with the interior of a B column; both sets of extensions 12 are bent towards the direction away from the B-pillar, thereby increasing the structural strength of the gusset body 1.

Referring to fig. 1 and 2, an extending edge 114 is formed by bending a side wall of one end of the main body 11 in the length direction, and the extending edge 114 is located on a side of the main body 11 away from the extending portion 12. The side wall of the extending edge 114 away from the main body 11 is integrally formed with a plurality of mounting plates 1141, so as to be fixedly connected with the inside of the B-pillar through the mounting plates 1141.

Referring to fig. 1 and 2, the main body 11 has lightening holes 111 formed therethrough in the thickness direction thereof for reducing the weight of the reinforcing plate body 1. Meanwhile, the main body 11 is bent and formed with a flange 1111 along the edge of the lightening hole 111, so as to increase the structural strength of the main body 11 at the edge of the lightening hole 111.

Referring to fig. 1 and 2, the main body 11 is stamped with a reinforcing protrusion 112 along the thickness direction of the main body 11, the reinforcing protrusion 112 is located on a side of the main body 11 away from the extension 12, and the reinforcing protrusion 112 is located on a side of the lightening hole 111. The main body 11 is press-formed with a reinforcing groove 113 along the thickness direction of the main body 11, the reinforcing groove 113 is pressed in a direction opposite to the pressing direction of the reinforcing protrusion 112, and the reinforcing groove 113 is located on the other side of the lightening hole 111.

Referring to fig. 1 and 2, a flap 122 is formed by bending a sidewall of each extension 12 away from the main body 11, and the flap 122 is parallel to the main body 11. A reinforcing rib 1221 connected with the extension part 12 is stamped and formed on a section of the length direction of each flap 122, so that the structural strength between the flap 122 and the extension part 12 is increased.

Referring to fig. 1 and 2, a plurality of clamping protrusions 121 are formed on the extension portion 12 along the thickness direction of the extension portion 12 in a stamping manner, one end of each clamping protrusion 121 in the length direction is connected with the corresponding turning plate 122, the other end of each clamping protrusion 121 in the length direction is connected with the main body portion 11, and a chamfer is formed at the position where each clamping protrusion 121 is connected with the main body portion 11. Meanwhile, the section of each clamping protrusion 121 is gradually increased towards the direction away from the main body 11, so that the extension portion 12 abuts against the inner side wall of the column B through the clamping protrusion 121. All run through on extension 12 and the joint arch 121 and offer the mounting hole 120 that is used for the construction bolt to in inside with reinforcing plate body 1 fixed connection in B post through the bolt.

The implementation principle of the lower reinforcing plate in the B post of this application embodiment of high strength does:

the main body part 11 and the extending parts 12 bent and formed on two sides of the main body part 11 can transmit the pressure transmitted to the reinforcing plate body 1 by the B column, and the pressure is decomposed into acting forces in multiple directions, so that the overall structural strength and the load capacity of the reinforcing plate body 1 are improved. The structural strength of the main body 11 is increased by the reinforcing protrusions 112 and the reinforcing grooves 113; simultaneously, through joint arch 121 increased the structural strength of extension 12 to increased the holistic structural strength of reinforcing plate body 1, and improved the enhancement effect of reinforcing plate body 1 to car B post structural strength.

The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited in sequence, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a lower reinforcing plate in B post of high strength which characterized in that: including reinforcing plate body (1), reinforcing plate body (1) includes main part (11) and buckles and sets up in extension (12) of main part (11) both sides, two extension (12) are all buckled towards the direction of keeping away from the B post.

2. The high strength B-pillar inner and lower gusset of claim 1, wherein: each extension portion (12) is provided with a plurality of clamping protrusions (121) at intervals, and the clamping protrusions are used for abutting against the interior of the B column.

3. A high strength B-pillar inner and lower gusset as defined in claim 2, wherein: the section of each clamping protrusion (121) is gradually increased towards the direction far away from the main body part (11).

4. The high strength B-pillar inner and lower gusset of claim 1, wherein: the main body part (11) is provided with a lightening hole (111) in a penetrating way.

5. The high strength B-pillar inner and lower gusset of claim 4, wherein: the main body part (11) is provided with a flange (1111) along the edge of the lightening hole (111).

6. The high strength B-pillar inner and lower gusset of claim 4, wherein: a reinforcing protrusion (112) is arranged on the main body part (11), and a reinforcing groove (113) is arranged on the main body part (11); the reinforcing protrusion (112) is positioned on one side of the lightening hole (111), and the reinforcing groove (113) is positioned on the other side of the lightening hole (111).

7. The high strength B-pillar inner and lower gusset of claim 1, wherein: one side of each extension part (12) far away from the main body part (11) is provided with a turning plate (122), and each turning plate (122) is provided with a reinforcing rib (1221).

8. The high strength B-pillar inner and lower gusset of claim 1, wherein: the side wall of the main body part (11) is provided with an extending edge (114), and the side wall of the extending edge (114) far away from the main body part (11) is provided with a plurality of mounting plates (1141) connected with the B pillar of the automobile.