Lightweight threshold stiffening beam of automobile

Abstract

The utility model relates to the technical field of doorsill beams, in particular to an automobile light-weight doorsill stiffening beam which comprises an outer plate, an inner plate is welded to one end of the outer plate, second partition plates are fixedly connected to the outer sides of one ends of the outer plate and the inner plate, and a first partition plate is fixedly connected to one end of each second partition plate. One ends of the first partition plates on the left side and the right side are fixedly connected with one side of the outer wall of the outer plate and one side of the outer wall of the inner plate correspondingly, sandwich foam is fixedly connected to one end of the outer plate and one end of the inner plate, and a reinforcing structure is arranged on one side of the outer plate. Through cooperation of the outer plate, the inner plate and the reinforcing structure, when the device is used, the first anti-corrosion and anti-abrasion layer and the second anti-corrosion and anti-abrasion layer are made of polyurethane coating, the polyurethane coating has good flexibility, high binding power, abrasion resistance, excellent mechanical performance and good anti-corrosion performance, and the abrasion resistance and corrosion resistance of the threshold beam can be conveniently improved; the doorsill beam is prevented from being abraded or corroded, and the strength is conveniently guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of door sill beams, in particular to a light-weight automobile door sill reinforcing beam. BACKGROUND

[0002] The door sill beam is an important component of the automobile door assembly, and is one of the main connecting structures of the side wall and the floor. It has a great influence on the precision of the vehicle assembly and requires high precision of the parts. In the event of a frontal collision of the vehicle, the door sill beam plays a role in maintaining the integrity of the passenger space.

[0003] The existing light-weight automobile door sill beam (application number: 201920975413.X) support beam is fixed in the door sill beam by structural glue, which can simplify the manufacturing process and reduce the manufacturing cost. However, the door sill beam needs to have certain strength to protect the personnel in the event of impact. However, the door sill beam is not convenient to increase the wear resistance and corrosion resistance, which may cause the door sill to be worn or corroded, and the strength cannot be guaranteed. Moreover, the double buffering work cannot be performed in the event of impact, and the buffering protection effect is poor. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems of the prior art, such as the inconvenience of increasing the wear resistance and corrosion resistance of the door sill beam, which may cause the door sill to be worn or corroded, the inconvenience of guaranteeing the strength, and the inconvenience of performing double buffering work, and proposes a light-weight automobile door sill reinforcing beam.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A light-weight automobile door sill reinforcing beam is designed, which comprises an outer plate, an inner plate welded to one end of the outer plate, a partition plate two fixedly connected to the outer side of one end of the outer plate and the inner plate, a partition plate one fixedly connected to one end of the partition plate two, one end of the partition plate one on the left and right sides fixedly connected to the outer wall of one side of the outer plate and the inner plate, a sandwich foam fixedly connected to one end of the outer plate and the inner plate, and a reinforcing structure provided on one side of the outer plate.

[0007] Preferably, the reinforcing structure comprises a corrosion-resistant wear-resistant layer one, one end of two corrosion-resistant wear-resistant layers one fixedly connected to one end of the outer plate and one end of the inner plate, and a corrosion-resistant wear-resistant layer two fixedly connected to the other end of the corrosion-resistant wear-resistant layer one.

[0008] Preferably, one end of the partition plate one on one side is fixedly connected to a straight block one.

[0009] Preferably, one end of the straight block one is fixedly connected to a rubber ball.

[0010] Preferably, the outer wall of the rubber ball is matched with a straight block two at one side.

[0011] Preferably, one end of the straight block two is fixedly connected with one end of the other side of the partition one.

[0012] The automobile light-weight door sill reinforcing beam has the beneficial effects that: through cooperation of the outer plate, the inner plate and the reinforcing structure, the device can be made of polyurethane paint through the anti-corrosion wear-resistant layer one and the anti-corrosion wear-resistant layer two when in use, the polyurethane paint has good flexibility, strong adhesion, wear resistance, excellent mechanical properties and good corrosion resistance, the wear resistance and corrosion resistance of the door sill beam are facilitated to be improved, and the strength of the door sill beam is facilitated to be ensured;

[0013] Through cooperation of the outer plate, the inner plate, the partition one, the partition two, the straight block one, the straight block two, the rubber ball and the sandwich foam, when the door sill beam is impacted, the outer plate and the inner plate can be deformed, the outer plate and the inner plate can extrude the sandwich foam at the moment, and then buffering is realized, the rubber ball is clamped by the straight block one and the straight block two, and then secondary buffering is realized, double buffering work is facilitated, and the buffering protection effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structural schematic view of the utility model;

[0015] Fig. 2 It is a structural schematic view of the outer plate, the inner plate and the partition two of the utility model;

[0016] Fig. 3 It is a structural schematic view of the outer plate, the anti-corrosion wear-resistant layer one and the anti-corrosion wear-resistant layer two of the utility model;

[0017] Fig. 4 It is a structural schematic view of the straight block one, the rubber ball and the straight block two of the utility model;

[0018] Fig. 5 It is a structural schematic view of the outer plate, the inner plate and the block of the utility model;

[0019] Fig. 6 It is a structural schematic view of the anti-corrosion wear-resistant layer one, the inner plate and the partition two of the utility model.

[0020] In the drawing: 1, outer plate, 2, reinforcing structure, 2a1, anti-corrosion wear-resistant layer one, 2a2, anti-corrosion wear-resistant layer two, 2b1, block, 3, inner plate, 4, sandwich foam, 5, partition one, 6, partition two, 7, straight block one, 8, rubber ball, 9, straight block two. DETAILED DESCRIPTION

[0021] The utility model discloses further illustrate below accompanying drawing:

[0022] Embodiment 1: refer to attached Figs. 1-6 In this embodiment, a kind of automobile light weight door sill reinforcing beam, including outer plate 1, the one end welding of outer plate 1 has inner plate 3, the one end outside of outer plate 1 and inner plate 3 is fixedly connected with baffle two 6, baffle two 6 one end is fixedly connected with baffle one 5, the one end of left and right two baffle one 5 is respectively fixedly connected with the outer wall one side of outer plate 1 and inner plate 3, the one end of outer plate 1 and inner plate 3 is fixedly connected with sandwich foam 4, the one end of the baffle one 5 of one side is fixedly connected with straight block one 7.

[0023] The one end of straight block one 7 is fixedly connected with rubber ball 8, rubber ball 8 has elasticity, and then can play buffering effect, the outer wall one side clearance of rubber ball 8 is fitted with straight block two 9, the one end of straight block two 9 is fixedly connected with the one end of the other side baffle one 5, the one side of outer plate 1 is equipped with reinforcing structure 2, reinforcing structure 2 is convenient for increasing the wear resistance and corrosion resistance of door sill beam, avoid that door sill beam is worn or corroded, it is convenient to guarantee strength.

[0024] Reinforcing structure 2 includes corrosion-resistant wear-resistant layer one 2a1, the one end of two corrosion-resistant wear-resistant layer one 2a1 is respectively fixedly connected with the one end of outer plate 1 and the one end of inner plate 3, the other end of corrosion-resistant wear-resistant layer one 2a1 is fixedly connected with corrosion-resistant wear-resistant layer two 2a2, corrosion-resistant wear-resistant layer one 2a1 and corrosion-resistant wear-resistant layer two 2a2 are polyurethane paint, polyurethane paint has good flexibility, strong adhesion, wear resistance, excellent mechanical properties and good anticorrosive performance, it is convenient to increase the wear resistance and corrosion resistance of door sill beam, avoid that door sill beam is worn or corroded, it is convenient to guarantee strength.

[0025] Working principle:

[0026] When using the automobile door sill beam:

[0027] Outer plate 1 and inner plate 3 are welded fixedly, outer plate 1 and inner plate 3 are carbon fiber composite materials, then reduce the quality and strength of automobile door sill beam, and simultaneously corrosion-resistant wear-resistant layer one 2a1 and corrosion-resistant wear-resistant layer two 2a2 are polyurethane paint, polyurethane paint has good flexibility, strong adhesion, wear resistance, excellent mechanical properties and good anticorrosive performance, it is convenient to increase the wear resistance and corrosion resistance of door sill beam, when door sill beam is impacted, outer plate 1 and inner plate 3 will be deformed to a certain extent, at this time, outer plate 1 and inner plate 3 will extrude sandwich foam 4, and then realize buffering, simultaneously straight block one 7 and straight block two 9 clamp rubber ball 8, and then play buffering again, and then improve buffering protection effect.

[0028] Embodiment 2: refer to attached Figs. 1-6In the embodiment, the automobile light-weight threshold reinforcing beam, wherein the reinforcing structure 2 further comprises a square block 2b1, one end of the square block 2b1 is fixedly connected with the outer side of one end of the outer plate 1, and the outer wall of the square block 2b1 is matched with the outer side of one end of the inner plate 3 in a recess gap.

[0029] Working principle:

[0030] The square block 2b1 is inserted into the recess on the outer side of one end of the inner plate 3, so that the outer plate 1 and the inner plate 3 are positioned, and then the outer plate 1 and the inner plate 3 are welded, thereby facilitating the operation of the worker.

[0031] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of the claims.

Claims

1. A light-weighted door sill reinforcement beam for a vehicle, comprising an outer panel (1), characterized in that: One end of the outer plate (1) is welded with an inner plate (3), one end of the outer plate (1) and the inner plate (3) is fixedly connected with a partition two (6), one end of the partition two (6) is fixedly connected with a partition one (5), one end of the partition one (5) on the left and right sides is respectively fixedly connected with the outer wall of the outer plate (1) and the inner plate (3), one end of the outer plate (1) and the inner plate (3) is fixedly connected with a sandwich foam (4), one side of the outer plate (1) is provided with a reinforcing structure (2).

2. The automotive light-weight rocker reinforcement beam of claim 1, wherein: The reinforcing structure (2) comprises a corrosion-resistant wear-resistant layer one (2a1), one end of the two corrosion-resistant wear-resistant layer one (2a1) is respectively fixedly connected with one end of the outer plate (1) and one end of the inner plate (3), the other end of the corrosion-resistant wear-resistant layer one (2a1) is fixedly connected with a corrosion-resistant wear-resistant layer two (2a2).

3. The automotive light-weight rocker reinforcement beam of claim 1, wherein: One end of the partition one (5) on one side is fixedly connected with a straight block one (7).

4. The automotive light-weight rocker reinforcement beam of claim 3, wherein: One end of the straight block one (7) is fixedly connected with a rubber ball (8).

5. The automotive light-weight rocker reinforcement beam of claim 4, wherein: The outer wall of the rubber ball (8) is gap fitted with a straight block two (9).

6. The automotive light-weight rocker reinforcement beam of claim 5, wherein: One end of the straight block two (9) is fixedly connected with one end of the partition one (5) on the other side.

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