CN219821180U - Vehicle door anti-collision beam with energy absorption box - Google Patents

Abstract

The utility model discloses a vehicle door anti-collision beam with an energy absorption box, which comprises an anti-collision main rod, an anti-collision energy absorption box, an anti-collision support I and an anti-collision support II, wherein the anti-collision main rod is a seamless welded steel plate coiled pipe, the anti-collision support I and the anti-collision support II are respectively welded and fixed at two ends of the anti-collision main rod, and the anti-collision support I and the anti-collision support II are respectively used for connecting a vehicle door inner plate; the anti-collision energy-absorbing box is of an n-type arch bridge structure, an arch ring on the anti-collision energy-absorbing box is welded and fixed with a main body of the anti-collision main rod, and the side edges connected to two sides of the arch ring are used for being connected with an inner plate of a vehicle door. The anti-collision energy-absorbing box and the anti-collision main rod of the n-type arch bridge structure play a role in dual anti-collision, and compared with the anti-collision safety coefficient of the traditional car door anti-collision beam, the anti-collision energy-absorbing box and the anti-collision main rod are improved by about 55%, so that drivers and passengers are safely protected under the working condition.

Description

Vehicle door anti-collision beam with energy absorption box

Technical Field

The utility model relates to the technical field of automobile accessories, in particular to an automobile door anti-collision beam with an energy absorption box.

Background

Today, the automobile industry develops rapidly, the security requirement of the public group on the automobile is higher and higher, the protection efficiency of the automobile is very important when the automobile is impacted by the outside, and the door anti-collision beam is an important part for preventing foreign objects from invading the carriage when the automobile is impacted by the side, and the industry specification is generally more than 1500 Mpa.

At present, an anti-collision main rod in an anti-collision beam of a car door is generally manufactured by adopting a hot rolling process, wherein the hot rolling process is a pipe production process for rolling a heated solid ingot blank into a hollow pipe with a seamless periphery, and the concrete steps are as follows: round tube blank, heating, perforating, three-spoke skew rolling, continuous rolling or extrusion, tube removal, sizing (or reducing), cooling, straightening, hydrostatic testing (or flaw detection), marking and warehousing. But the hot rolling process for manufacturing the hollow steel pipe (anti-collision main rod) has the defects of huge unit equipment, high investment, incapability of wire breakage production and high cost.

Therefore, the existing car door anti-collision beam needs to be improved, so that the car door anti-collision beam is easy to manufacture, relatively low in cost, capable of guaranteeing the requirements of national laws and regulations of side impact, and capable of being popularized and used in a large area.

Disclosure of Invention

In view of the above, the utility model provides a door anti-collision beam with an energy absorption box, which has the following specific technical scheme:

the vehicle door anti-collision beam with the energy absorption box comprises an anti-collision main rod, an anti-collision energy absorption box, an anti-collision support I and an anti-collision support II, wherein the anti-collision main rod is a seamless welded steel plate coiled pipe, the anti-collision support I and the anti-collision support II are respectively welded and fixed at two ends of the anti-collision main rod, and the anti-collision support I and the anti-collision support II are respectively used for connecting a vehicle door inner plate; the anti-collision energy-absorbing box is of an n-type arch bridge structure, an arch ring on the anti-collision energy-absorbing box is welded and fixed with the main body of the anti-collision main rod, and the side edges connected to two sides of the arch ring are used for connecting an inner plate of a vehicle door.

Preferably, the first anti-collision support and the second anti-collision support are respectively provided with a mounting groove for accommodating and welding and fixing the corresponding end parts of the anti-collision main rod.

Preferably, the wall thickness of the hollow pipe of the anti-collision main rod is 1.6-3.0 mm.

Preferably, the crash box is located at a middle position of the crash main rod.

Preferably, the side of the anti-collision energy-absorbing box is provided with a plurality of mounting holes, and the anti-collision energy-absorbing box is connected with the inner plate of the vehicle door in a riveting mode.

According to the utility model, the anti-collision energy-absorbing box with the n-type arch bridge structure is welded on the anti-collision main rod, when the side face of a vehicle is collided, the outer vehicle door is stressed to invade the body of a driver, and the force is transmitted to the anti-collision energy-absorbing box, because of the n-type arch bridge structure of the energy-absorbing box, most external impact force can be absorbed, and a small part of residual invasion force is absorbed by the anti-collision main rod, so that the dual anti-collision is realized, and compared with the anti-collision safety coefficient of the traditional vehicle door anti-collision beam, the anti-collision safety coefficient is improved by about 55%, and the driver is safely protected under the working condition.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is an isometric view of a door impact beam with a crash box according to the present utility model.

Fig. 2 is a second perspective view of a door impact beam with an energy absorber box according to the present utility model.

FIG. 3 is a front view of a door impact beam with a crash box according to the present utility model.

FIG. 4 is an exploded view of a door impact beam with a crash box according to the present utility model.

FIG. 5 is a schematic structural view of an crash box according to the present utility model.

In the figure: the anti-collision device comprises a 1-anti-collision main rod, a 2-anti-collision energy absorption box, a 3-anti-collision support I, a 4-anti-collision support II, a 5-arch ring, 6-side edges, 7-mounting grooves and 8-mounting holes.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Examples:

as shown in fig. 1-5, the door anti-collision beam with the energy absorption box comprises an anti-collision main rod 1, an anti-collision energy absorption box 2, an anti-collision bracket I3 and an anti-collision bracket II 4.

The anti-collision main rod 1 is a seamless welded steel plate coiled pipe, and the hollow pipe wall thickness of the anti-collision main rod 1 is generally 1.6-3.0 mm.

The anti-collision main rod 1 is made of a steel plate with a certain thickness by rolling, and then the rolling pipe is welded by a seamless welding process to form the steel pipe.

The first anti-collision support 3 and the second anti-collision support 4 are respectively welded and fixed at two ends of the anti-collision main rod 1, and the first anti-collision support 3 and the second anti-collision support 4 are respectively used for connecting the inner plate of the vehicle door.

Further, the first anti-collision support 3 and the second anti-collision support 4 are respectively provided with a mounting groove 7 for accommodating and welding and fixing the corresponding end parts of the anti-collision main rod 1.

In the utility model, the first anti-collision bracket 3 and the second anti-collision bracket 4 have larger areas, can be manufactured by adopting a hot stamping or rolling process, and have high structural strength. The first anti-collision support 3 and the second anti-collision support 4 are welded or riveted on the inner plate of the automobile door, so that the anti-collision performance of the automobile door can be improved, and the anti-concavity of the outer side of the automobile door at the corresponding position can be improved.

The anti-collision energy-absorbing box 2 is of an n-type arch bridge structure, an arch ring 5 on the anti-collision energy-absorbing box is welded and fixed with the main body of the anti-collision main rod 1, and side edges 6 connected to two sides of the arch ring 5 are used for connecting the inner plate of the vehicle door.

In a further embodiment, the crash box 2 is preferably located in a middle position of the crash main rod 1.

Meanwhile, a plurality of mounting holes 8 are formed in the side edges 6 of the anti-collision energy absorption boxes 2, and the anti-collision energy absorption boxes 2 are connected with the inner plate of the vehicle door in a riveting mode.

After the door anti-collision beam with the energy-absorbing box is installed, when the side face of a vehicle is collided, the outer door is forced to invade a driver, force is transmitted to the anti-collision energy-absorbing box 2, most external impact force can be absorbed on the door anti-collision beam due to the n-type arch bridge structure of the energy-absorbing box, and the small residual invasion force is absorbed by the anti-collision main rod 1, so that double anti-collision is achieved, the anti-collision safety coefficient of the door anti-collision beam is improved by about 55% compared with that of a traditional door anti-collision beam, and the driver is safely protected under the working condition.

The anti-collision main rod 1, the anti-collision energy-absorbing box 2, the anti-collision support I3 and the anti-collision support II 4 in the anti-collision beam of the vehicle door with the energy-absorbing box have certain buffering and energy-absorbing effects, and when the vehicle door deforms, partial supporting energy is provided for the vehicle door so as to reduce deformation caused by impact. Meanwhile, the door anti-collision beam with the energy absorption box is combined with other structures on the door, is favorable for reinforcing the safety coefficient of the door, improves the impact resistance of the door in collision, and plays a role in buffering and resisting by matching with the side safety airbag of the automobile when collision occurs, reduces the potential energy of collision, and can better protect the safety of drivers and passengers.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (5)

1. The vehicle door anti-collision beam with the energy absorption box is characterized by comprising an anti-collision main rod (1), an anti-collision energy absorption box (2), an anti-collision support I (3) and an anti-collision support II (4), wherein the anti-collision main rod (1) is a seamless welded steel plate coiled pipe, the anti-collision support I (3) and the anti-collision support II (4) are respectively welded and fixed at two ends of the anti-collision main rod (1), and the anti-collision support I (3) and the anti-collision support II (4) are respectively used for connecting a vehicle door inner plate; the anti-collision energy-absorbing box (2) is of an n-type arch bridge structure, an arch ring (5) on the anti-collision energy-absorbing box is fixedly welded with a main body of the anti-collision main rod (1), and side edges (6) connected to two sides of the arch ring (5) are used for connecting an inner plate of a vehicle door.

2. The door anti-collision beam with the energy absorption box according to claim 1, wherein the anti-collision support I (3) and the anti-collision support II (4) are respectively provided with a mounting groove (7) for accommodating and welding the corresponding end parts of the anti-collision main rod (1).

3. The door anti-collision beam with the energy absorption box according to claim 1, wherein the hollow tube wall thickness of the anti-collision main rod (1) is 1.6-3.0 mm.

4. A door impact beam with crash box according to claim 1, characterized in that the crash box (2) is located in the middle of the crash main rod (1).

5. The door anti-collision beam with the energy absorption box according to claim 1, wherein a plurality of mounting holes (8) are formed in the side edges (6) of the energy absorption box (2), and the energy absorption box (2) is connected with a door inner plate in a riveting mode.