Self-positioning adapting structure of frame tubular beam and box frame

Abstract

The utility model relates to a self-positioning adapting structure of a frame tubular beam and a box body frame, the self-positioning adapting structure of the frame tubular beam comprises a tubular beam cross beam and a first vertical beam, the tubular beam cross beam is provided with a first opening, and the section shape of the first vertical beam is matched with that of the first opening; one end of the first vertical beam extends into the first opening and is mechanically connected with the tubular beam cross beam in a welding manner; according to the utility model, adaptive structural design improvement is carried out on the tubular beam cross beam, so that the welding connection strength of the tubular beam cross beam and the vertical beam is improved, the positioning is rapid, convenient and accurate, the use of positioning tools is reduced, the cost is saved, the reliability and safety are good, the manufacturing is convenient, and the specific requirements of users on the production and assembly of new energy automobiles at present are met; the application is wide.

Description

Technical Field

[0001] The utility model belongs to the technical field of new energy vehicle production and manufacturing, and particularly relates to a self-positioning connection structure of a frame pipe beam and a box body frame. Background Technique

[0002] With the rapid development of new energy vehicle manufacturing technology, the application of power batteries in new energy vehicles has become more and more popular. With the continuous improvement of requirements for the endurance and safety of new energy vehicles, the battery frame structure for accommodating power batteries needs to be designed and improved accordingly, and higher strength requirements are put forward for the connection process of the battery frame. In the prior art, the new energy battery frame mostly adopts the butt welding process, but after long-term use, it is easy to cause cracking of some welds of the battery frame, which is easy to cause frame deformation and even safety accidents. Therefore, it is necessary to improve the battery frame connection process to solve the above problems. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a self-positioning connection structure of a frame pipe beam and a box body frame, which improves the welding connection strength between the pipe beam cross beam and the vertical beam and meets the production and assembly requirements of users for new energy vehicles.

[0004] To achieve the above purpose, the embodiment of the utility model provides a self-positioning connection structure of a frame pipe beam, including: a pipe beam cross beam and a first vertical beam. The pipe beam cross beam is provided with a first opening, and the cross-sectional shape of the first vertical beam is adapted to the first opening. One end of the first vertical beam extends into the first opening and is mechanically connected with the pipe beam cross beam by welding.

[0005] Further, it also includes: a second vertical beam. The pipe beam cross beam is further provided with a second opening, and the cross-sectional shape of the second vertical beam is adapted to the second opening. One end of the second vertical beam extends into the second opening and is mechanically connected with the pipe beam cross beam by welding.

[0006] The embodiment of the utility model also provides a box body frame, on which the above-mentioned self-positioning connection structure of the frame pipe beam is provided.

[0007] The utility model relates to a self-positioning connection structure of a frame pipe beam and a box body frame, and the beneficial effects are as follows: through the adaptive structural design improvement of the pipe beam cross beam, the welding connection strength between the pipe beam cross beam and the vertical beam is improved, the positioning is fast, convenient and accurate, the use of positioning tools is reduced, the cost is saved, the reliability and safety are good, the manufacturing is convenient, the specific requirements of current users for the production and assembly of new energy vehicles are met, and the application is wide. Description of the Drawings

[0008] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the accompanying drawings of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description only relate to some embodiments of the present utility model and do not limit the present utility model.

[0009] Figure 1 Three-dimensional connection structure diagram of the self-positioning connection of the frame tube beam provided by the embodiment of the present utility model;

[0010] Figure 2 Exploded three-dimensional connection structure diagram of the self-positioning connection of the frame tube beam provided by the embodiment of the present utility model;

[0011] Figure 3 Three-dimensional connection structure diagram of the cross connection of the self-positioning connection of the frame tube beam provided by the embodiment of the present utility model;

[0012] Figure 4 Exploded three-dimensional connection structure diagram of the cross connection of the self-positioning connection of the frame tube beam provided by the embodiment of the present utility model;

[0013] Figure 5 Overall three-dimensional structure diagram of the box frame provided by another embodiment of the present utility model.

[0014] In the figure:

[0015] 1. Tube beam cross beam; 1-1. First opening; 1-2. Second opening; 2. First vertical beam; 3. Second vertical beam. Detailed implementation manners

[0016] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0017] Unless otherwise defined, the technical terms or scientific terms used in this disclosure shall have the ordinary meanings understood by those of ordinary skill in the art in the field to which this disclosure belongs. The positions such as "upper", "lower", "left", "right", "front", and "rear" of the objects described in the embodiments are only used to represent relative position relationships. When the absolute positions of the objects described in the embodiments change, the relative position relationships may also change accordingly.

[0018] The following will describe in detail a self-positioning connection structure of a frame tube beam and a box frame provided by an embodiment of the present utility model in conjunction with the accompanying drawings.

[0019] Figure 1 Shows the three-dimensional structure diagram of the T-shaped connection of the self-positioning mating structure of the frame tube beam provided by the embodiment of the present invention; Figure 2 Shows the exploded three-dimensional structure diagram of the T-shaped connection of the self-positioning mating structure of the frame tube beam provided by the embodiment of the present invention; Figure 3 Shows the three-dimensional structure diagram of the cross-shaped connection of the self-positioning mating structure of the frame tube beam provided by the embodiment of the present invention; Figure 4 Shows the exploded three-dimensional structure diagram of the cross-shaped connection of the self-positioning mating structure of the frame tube beam provided by the embodiment of the present invention. As Figures 1 to 4 Shown, a self-positioning mating structure of a frame tube beam provided by an embodiment of the present invention is applicable to the structural strengthening of a power battery frame tube beam structure. The frame tube beam is generally made of metal such as steel or aluminum alloy. At the same time, two connection methods are provided: cross connection and T-shaped connection; the self-positioning mating structure of the frame tube beam provided by the embodiment of the present invention mainly includes: a tube beam cross beam 1 and a first vertical beam 2. The tube beam cross beam 1 is provided with a first opening 1-1. The cross-sectional shape of the first vertical beam 2 is adapted to the first opening 1-1, so that the first vertical beam 2 and the first opening 1-1 are fitted and connected. One end of the first vertical beam 2 extends into the first opening 1-1 and is mechanically connected to the tube beam cross beam 1 by welding. The length of one end of the first vertical beam 2 extending into the first opening 1-1 is at least 1 cm to ensure the necessary assembly length, ensure the position constraint and positioning of the first vertical beam 2 by the first opening 1-1, and the joint gap between the first vertical beam 2 and the first opening 1-1 is mechanically connected and fixed by welding. In this way, the first opening 1-1 can be used for self-positioning of the first vertical beam 2 during welding, reducing the use of positioning jigs, effectively ensuring the accuracy of its welding position, positioning quickly and conveniently, and at the same time reducing the manufacturing cost; compared with the form of direct butt welding of most frames seen in the current market, the auxiliary positioning structure form of the first opening 1-1 on the tube beam cross beam 1 is added, ensuring the welding strength and accuracy, reducing the welding stress concentration at the weld, and improving the frame welding strength; the above structural form is particularly suitable for the T-shaped connection form of the first vertical beam 2 and the tube beam cross beam 1.

[0020] In the self - positioning mating structure of a frame tube beam provided by an embodiment of the present utility model, as a further improvement, for the cross - connection method, it further includes: a second vertical beam 3. The tube beam cross - beam 1 is further provided with a second opening 1 - 2. The cross - sectional shape of the second vertical beam 3 is adapted to the second opening 1 - 2. One end of the second vertical beam 3 extends into the second opening 1 - 2 and is mechanically connected to the tube beam cross - beam 1 by welding. The length of one end of the second vertical beam 3 extending into the second opening 1 - 2 is at least 1 cm to ensure a necessary assembly length, ensuring the position constraint and positioning of the second vertical beam 3 by the second opening 1 - 2. Wherein, at the joint gap between the second vertical beam 3 and the second opening 1 - 2, the mechanical connection and fixation of the two are realized by circumferential welding. In this way, the second opening 1 - 2 can be used to position the second vertical beam 3 during welding. The welding and positioning effects are as described above and will not be elaborated here. The tube beam cross - beam 1 is generally a hollow structure, which reduces the weight while ensuring the necessary strength.

[0021] It should be noted that the first vertical beam 2 and the second vertical beam 3 can be the same vertical beam or two different vertical beams, and no specific limitation is made here; the first opening 1 - 1 and the second opening 1 - 2 can be in the form of full openings or semi - openings, as long as they are adapted to the shape of the corresponding connected vertical beam and can achieve limit.

[0022] On the other hand, the self - positioning mating structure of the frame tube beam provided by the embodiment of the present utility model can not only be applied to the battery frame of new energy vehicles, but also can be applied to similar frame structures in other technical fields such as ships, aerospace, etc., with wide adaptability.

[0023] Some embodiments of the present application also provide a box - type frame. Figure 5 Fig. shows the overall three - dimensional structure diagram of the box - type frame provided by another embodiment of the present utility model; wherein, the self - positioning mating structure of the frame tube beam of the above - mentioned embodiment is provided on the box - type frame. By adopting the above - mentioned self - positioning mating structure of the frame tube beam at multiple connection positions between the tube beam cross - beam 1 and the first vertical beam 2 and / or the second vertical beam 3 on multiple surfaces of the box - type frame, the overall strength and working reliability of the box - type frame are significantly enhanced compared with the direct butt - welding method, and the safety is good.

[0024] Compared with the prior art, in the self - positioning mating structure of the frame tube beam and the box - type frame provided by the embodiment of the present utility model, through the adaptive structural design improvement of the tube beam cross - beam 1, the welding connection strength between the tube beam cross - beam 1 and the vertical beam is improved, the positioning is fast, convenient and accurate, the use of positioning tools is reduced, the cost is saved, the reliability and safety are good, the manufacturing is convenient, meeting the specific requirements of current users for the production and assembly of new energy vehicles, and it has wide applications.

[0025] The following points need to be explained:

[0026] (1) Unless otherwise defined, in the embodiments of the present utility model and the accompanying drawings, the same reference numerals represent the same meanings.

[0027] (2) The accompanying drawings of the embodiments of the present utility model only relate to the structures involved in the embodiments of the present utility model, and other structures may refer to the general design.

[0028] (3) For clarity, in the accompanying drawings used to describe the embodiments of the present utility model, some structures in the drawings may be enlarged or reduced, that is, these drawings are not drawn according to the actual scale.

[0029] (4) Without conflict, the embodiments of the present utility model and the features in the embodiments can be combined with each other to obtain new embodiments.

[0030] As mentioned above, the above are only the specific implementation manners of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A self-positioning matching structure of a frame pipe beam, characterized in that: include: A tubular beam crossbeam (1) and a first vertical beam (2), wherein the tubular beam crossbeam (1) is provided with a first opening (1-1), the cross-sectional shape of the first vertical beam (2) is adapted to the first opening (1-1), one end of the first vertical beam (2) extends into the first opening (1-1) and is mechanically connected to the tubular beam crossbeam (1) by welding.

2. The self-positioning matching structure of the frame tube beam according to claim 1 is characterized in that: Also includes: A second vertical beam (3), the tubular beam cross beam (1) is also provided with a second opening (1-2), the cross-sectional shape of the second vertical beam (3) is adapted to the second opening (1-2), one end of the second vertical beam (3) extends into the second opening (1-2) and is mechanically connected to the tubular beam cross beam (1) by welding.

3. A box frame, characterized in that: The box frame is provided with a self-positioning matching structure of the frame pipe beam according to any one of claims 1-2.

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