High-strength welding cross beam

Abstract

The utility model relates to the technical field of welding cross beams, in particular to a high-strength welding cross beam. According to the technical scheme, a first transverse plate, connecting plates and a second transverse plate are arranged, U-shaped connecting protrusions are arranged at the positions, close to the upper surface and the lower surface, of the opposite faces of the first transverse plate and the second transverse plate, the two connecting plates are arranged between the first transverse plate and the second transverse plate, and the two sides of the two connecting plates are located in the four U-shaped connecting protrusions respectively. And the connecting plate and the U-shaped connecting bulge are connected through welding. The strength of the welding beam can be improved, deformation and sealing-off of the welding beam due to stress when the welding beam is impacted are effectively avoided, and the safety of the welding beam in use is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding crossbeam technical field, concretely is a kind of high-strength welded crossbeam. BACKGROUND

[0002] Welded crossbeam is part of automobile body structure, usually located at the bottom of automobile, made of high-strength steel, its main role is to disperse and absorb impact force when vehicle is hit, protect the safety of passengers inside, welded crossbeam is usually composed of multiple parts, fixed together by welding or other connecting methods.

[0003] Current automobile welded crossbeam in the process of use, when being hit, its welding place is prone to deformation and disbonding due to stress, so that welded crossbeam is prone to deformation and damage, reduce the safety of welded crossbeam use, for this purpose, we propose a kind of high-strength welded crossbeam. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of high-strength welded crossbeam, with the advantages of being able to improve the strength of welded crossbeam, effectively avoid the deformation and disbonding of welded crossbeam due to stress when being hit, improve the safety of welded crossbeam when use, solve the problem that current automobile welded crossbeam in the process of use, when being hit, its welding place is prone to deformation and disbonding due to stress, so that welded crossbeam is prone to deformation and damage, reduce the safety of welded crossbeam use.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high-strength welded crossbeam, including first cross plate, connecting plate and second cross plate, the opposite side of the first cross plate and second cross plate is close to the position of upper surface and lower surface and is provided with U type connecting protrusion, two connecting plates are provided between the first cross plate and second cross plate, the two sides of two connecting plates are respectively located inside four U type connecting protrusions, and connecting plate and U type connecting protrusion are connected by welding.

[0006] Preferably, the opposite side of the first cross plate and second cross plate is provided with U type reinforcing protrusion in middle position, reinforcing plate is provided between the first cross plate and second cross plate, the two sides of the reinforcing plate are respectively located inside two U type reinforcing protrusions, and reinforcing plate and U type reinforcing protrusion are connected by welding.

[0007] Preferably, the side of the outer surface of the second cross plate, away from connecting plate, is welded with connecting seat in position close to two ends, and the side of the outer surface of two connecting seats, away from second cross plate, is welded with fixed plate, and the outer surface of two fixed plates is provided with fixed hole in position above connecting seat.

[0008] Preferably, the outer surface of the two fixing plates is welded with a triangular plate on the side close to the connecting base, and the upper surface of the first horizontal plate and the lower surface of the triangular plate are connected through welding.

[0009] Preferably, the lower surface of the two triangular plates is provided with an extension plate between the fixing plate and the second horizontal plate, and the extension plate and the second horizontal plate are connected through welding.

[0010] Preferably, the outer surface of the first horizontal plate is provided with a reinforcing rib on the side away from the connecting plate and close to the upper surface and the lower surface.

[0011] Preferably, the outer surface of the first horizontal plate is provided with a reinforcing rib on the side away from the connecting plate and close to the upper surface and the lower surface.

[0012] 1、The utility model discloses a first horizontal plate, a second horizontal plate, a U type connecting protrusion and a connecting plate are set up, which can improve the strength of the welded beam, effectively avoid the deformation and disconnection of the welded beam caused by force when the welded beam is impacted, and improve the safety of the welded beam during use.

[0013] 2、The utility model discloses a reinforcing plate and a U type reinforcing protrusion are set up, which can further improve the strength of the welded beam, the U type reinforcing protrusion improves the strength of the first horizontal plate and the second horizontal plate, and the reinforcing plate also improves the connecting strength between the first horizontal plate and the second horizontal plate, thereby improving the strength of the welded beam.

[0014] 3、The utility model discloses a reinforcing rib and a buffer plate are set up, which can improve the strength of the welded beam and make the welded beam have the buffering performance when impacted, the reinforcing rib can improve the strength of the first horizontal plate, thereby improving the strength of the welded beam, and the buffer plate fixed between the two reinforcing ribs can provide energy absorption and buffering for the first horizontal plate when impacted, thereby making the welded beam have the buffering performance when impacted. DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2The first horizontal plate partial three-dimensional structure schematic view of the utility model shows that

[0017] Figure 3 The fixed plate partial three-dimensional structure schematic view of the utility model shows that

[0018] The drawings show that the utility model discloses a buffer plate 1, a first horizontal plate 2, a connecting plate 3, a second horizontal plate 4, a reinforcing plate 5, a fixed plate 6, a U-shaped connecting protrusion 7, a reinforcing rib 8, a U-shaped reinforcing protrusion 9, a fixed hole 10, a connecting seat 11, an extension plate 12 and a triangular plate 13. DETAILED DESCRIPTION

[0019] The technical scheme of the utility model will be further described below in combination with the drawings and specific embodiments.

[0020] Embodiment one

[0021] As Figure 1 and Figure 2 shown, the utility model discloses a high-strength welded crossbeam, including first horizontal plate 2, connecting plate 3 and second horizontal plate 4, first horizontal plate 2 and second horizontal plate 4 opposite one side near the upper surface and the lower surface position all are provided with U-shaped connecting protrusion 7, and U-shaped connecting protrusion 7 and first horizontal plate 2 and second horizontal plate 4 are integrally processed into shape, and two connecting plates 3 are arranged between first horizontal plate 2 and second horizontal plate 4, and the two sides of two connecting plates 3 are located inside four U-shaped connecting protrusions 7 respectively, and connecting plate 3 and U-shaped connecting protrusion 7 are connected by welding, and form a welded crossbeam with square cross section.

[0022] The outer surface of second horizontal plate 4 deviating from the side of connecting plate 3 near both ends position all is welded with connecting seat 11, and connecting seat 11 is square tube, and the outer surface of two connecting seats 11 deviating from the side of second horizontal plate 4 all is welded with fixed plate 6, and the outer surface of two fixed plates 6 is located at the position above connecting seat 11 and is provided with fixed hole 10, and the outer surface of two fixed plates 6 deviating from the side of connecting seat 11 all is welded with triangular plate 13, and the upper surface of first horizontal plate 2 and second horizontal plate 4 and the lower surface of triangular plate 13 are connected by welding, and triangular plate 13 improves the connecting strength between fixed plate 6 and first horizontal plate 2 and second horizontal plate 4, and the lower surface of two triangular plates 13 all is provided with extension plate 12, and extension plate 12 is located between fixed plate 6 and second horizontal plate 4, and extension plate 12 and second horizontal plate 4 are connected by welding, and when the welded crossbeam is impacted, effectively avoid the deformation of connecting seat 11 due to stress.

[0023] The utility model discloses when using, first horizontal plate 2, second horizontal plate 4, U type connecting protrusion 7 and connecting plate 3 are fixedly connected through the mode of welding, then form a square pipe type welding crossbeam, and U type connecting protrusion 7 can improve the strength of first horizontal plate 2 and second horizontal plate 4 itself, thereby improved the strength of welding crossbeam, and because the both sides of connecting plate 3 are located inside U type connecting protrusion 7, when welding crossbeam is impacted, U type connecting protrusion 7 then plays the function of limiting to the both sides of connecting plate 3 and welding point, effectively avoid the deformation of welding crossbeam when being impacted due to stress and the welding of deformation, improve the security of welding crossbeam when using.

[0024] Example two

[0025] As Figure 1 and Figure 2 The utility model discloses a high -strength welding crossbeam, compared to example one, this embodiment still includes the middle position of the opposite side of first horizontal plate 2 and second horizontal plate 4 is provided with U type reinforcing protrusion 9, U type reinforcing protrusion 9 and first horizontal plate 2 and second horizontal plate 4 are integrally processed into shape, be provided with reinforcing plate 5 between first horizontal plate 2 and second horizontal plate 4, reinforcing plate 5 is located between two connecting plate 3, and the both sides of reinforcing plate 5 are located inside two U type reinforcing protrusion 9 respectively, and reinforcing plate 5 and U type reinforcing protrusion 9 are connected through welding.

[0026] In the embodiment, U type reinforcing protrusion 9 improves the strength of first horizontal plate 2 and second horizontal plate 4 itself, and reinforcing plate 5 also improves the connecting strength between first horizontal plate 2 and second horizontal plate 4, thereby improving the strength of welding crossbeam.

[0027] Example three

[0028] As Figure 1 and Figure 2 The utility model discloses a high -strength welding crossbeam, compared to example one, this embodiment still includes the outer surface of first horizontal plate 2 is provided with reinforcing rib 8 near the upper surface and the lower surface position of the side away from connecting plate 3, and the outer surface of first horizontal plate 2 is fixedly installed with buffer plate 1 between two reinforcing rib 8.

[0029] In the embodiment, reinforcing rib 8 can improve the strength of first horizontal plate 2, thereby improving the strength of welding crossbeam, and the buffer plate 1 fixed between two reinforcing rib 8 provides the function of energy absorption and buffering for first horizontal plate 2 when being impacted, so that the welding crossbeam has buffering performance when being impacted.

[0030] The above specific embodiments are only several preferred embodiments of the utility model, based on the technical scheme of the utility model and the related enlightenment of the above embodiment, the person skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A high-strength welded crossmember comprising a first cross plate (2), a connecting plate (3) and a second cross plate (4), characterized in that: The opposite side of the first transverse plate (2) and the second transverse plate (4) is provided with a U-shaped connecting protrusion (7) near the upper surface and the lower surface, two connecting plates (3) are arranged between the first transverse plate (2) and the second transverse plate (4), the two sides of the two connecting plates (3) are respectively located inside the four U-shaped connecting protrusions (7), and the connecting plate (3) and the U-shaped connecting protrusion (7) are connected by welding.

2. A high strength welded crossmember according to claim 1, characterized in that: The middle of the opposite side of the first transverse plate (2) and the second transverse plate (4) is provided with a U-shaped reinforcing protrusion (9), a reinforcing plate (5) is arranged between the first transverse plate (2) and the second transverse plate (4), the two sides of the reinforcing plate (5) are respectively located inside the two U-shaped reinforcing protrusions (9), and the reinforcing plate (5) and the U-shaped reinforcing protrusion (9) are connected by welding.

3. A high strength welded crossbeam according to claim 1, characterized in that: The side of the outer surface of the second transverse plate (4) away from the connecting plate (3) is welded with a connecting seat (11) near the two ends, and the outer surface of the two connecting seats (11) away from the second transverse plate (4) is welded with a fixing plate (6), and the outer surface of the two fixing plates (6) is provided with a fixing hole (10) above the connecting seat (11).

4. A high strength welded crossbeam according to claim 3, characterized in that: The side of the outer surface of the two fixing plates (6) near the connecting seat (11) is welded with a triangular plate (13), and the upper surface of the first transverse plate (2) and the second transverse plate (4) is connected with the lower surface of the triangular plate (13) by welding.

5. A high strength welded crossmember according to claim 4, wherein: The lower surface of the two triangular plates (13) is provided with an extension plate (12), the extension plate (12) is located between the fixing plate (6) and the second transverse plate (4), and the extension plate (12) and the second transverse plate (4) are connected by welding.

6. A high strength welded crossbeam according to claim 1, characterized in that: The side of the outer surface of the first transverse plate (2) away from the connecting plate (3) is provided with a reinforcing rib (8) near the upper surface and the lower surface.

7. A high strength welded crossbeam according to claim 6, characterized in that: The outer surface of the first transverse plate (2) is fixedly provided with a buffer plate (1) between the two reinforcing ribs (8).

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