CN217804933U

CN217804933U - Cabin structure and car

Info

Publication number: CN217804933U
Application number: CN202221920631.1U
Authority: CN
Inventors: 李刚; 吴忠云; 曹卫林; 周中彪; 方金刚
Original assignee: Lantu Automobile Technology Co Ltd
Current assignee: Lantu Automobile Technology Co Ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-11-15
Anticipated expiration: 2032-07-20

Abstract

The utility model discloses a cabin structure and car, wherein the cabin structure includes first longeron, the second longeron, and establish between first longeron and second longeron before enclose the entablature and before enclose the bottom end rail, first longeron, the second longeron is arranged along automobile body length direction, this cabin structrual installation is after on the automobile body, before enclose the entablature before and before enclose the bottom end rail and be located between the anterior striking point of battery package and automobile body, when taking place the anterior striking of car, first guide section, deformation takes place respectively and absorb striking kinetic energy for the second guide section, when the striking dynamics is great, preceding enclose the entablature before and enclose bottom end rail and first longeron and second longeron fixed connection, two crossbeam structures protect first installation space inner member structure simultaneously, improve battery package security performance, improve cabin mechanism and receive bulk strength and stability when the front is strikeed.

Description

Cabin structure and car

Technical Field

The application relates to the technical field of automobile mechanisms, in particular to a cabin structure and an automobile.

Background

In the existing automobile cabin structure, the side surface of the cabin longitudinal beam is bonded with the front wall cross beam through the connecting structure, the cabin longitudinal beam and the front wall cross beam are made of aluminum alloy sections with better rigidity and strength, the longitudinal beam and the cross beam are connected in a three-dimensional mode through the connecting structure, and the structural adhesive bonding process is adopted for fixedly connecting the longitudinal beam and the cross beam.

From the automobile body safety consideration, because aluminium alloy intensity itself is low, especially glue joint strength is low, the complexity of following the operating mode of traveling, easily lead to the glued department to have the crackle and the drop point that are difficult for being discovered, when taking place frontal collision, longeron and preceding enclose the crossbeam appear connecting failure, can not effectual protection passenger cabin with before enclose the battery package of bottom, especially to the protection of battery package, if preceding enclose the connection unstable, directly lead to the structural component between battery package and the impact point to appear warping, damaged, and move to battery package direction, easily lead to the battery package to catch fire harm driver and crew safety.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the prior art, this application provides a cabin structure and car to the connection poor stability of the cabin mechanism among the solution prior art and to the weak problem of protective capacities of battery package.

The above object of the present invention is achieved by the following technical solutions:

a nacelle structure, comprising:

the first longitudinal beam is arranged along the length direction of a vehicle body and comprises a first guide section and a first stress section which are fixed in a welding mode;

the second longitudinal beam is arranged on one side of the first longitudinal beam along the length direction of the vehicle body, a first mounting space is formed between the second longitudinal beam and the first longitudinal beam, and the second longitudinal beam comprises a second guide section and a second stress section which are fixed in a welded mode;

the two ends of the front wall upper cross beam are fixedly arranged between the first longitudinal beam and the second longitudinal beam;

and the two ends of the front wall lower cross beam are fixedly arranged between the first longitudinal beam and the second longitudinal beam.

Further, the length extending direction of the first force-bearing section is the same as the length extending direction of the vehicle body.

Further, the first force-bearing section and the second force-bearing section are arranged in parallel with each other.

Further, the first force-bearing segment is the same length as the second force-bearing segment.

Further, the front upper cross member and the front lower cross member are located at different heights in the vehicle body height direction.

Furthermore, two ends of the front wall upper cross beam are respectively welded and fixed on the first guide section and the second guide section.

Furthermore, two ends of the front wall lower cross beam are welded and fixed to the first guide section and the second guide section respectively.

Furthermore, two ends of the front wall upper cross beam are welded and fixed to two ends of the front wall lower cross beam respectively.

Furthermore, the first guide section and the second guide section are respectively arranged in an arc shape, the height of one end, close to the first stress section, of the first guide section is smaller than that of the other end of the first stress section, and the height of one end, close to the second stress section, of the second guide section is smaller than that of the other end of the second stress section.

Based on the same inventive concept, the application also provides an automobile which comprises a frame and the cabin structure, wherein one end of the first stress section, which is far away from the first guide section, is fixedly connected with the frame, and one end of the second stress section, which is far away from the second guide section, is fixedly connected with the frame.

Compared with the prior art, the utility model has the advantages of:

the utility model provides a cabin structure, including first longeron, second longeron to and establish between first longeron and second longeron before enclose the entablature and before enclose the bottom end rail, first longeron, second longeron are arranged along automobile body length direction, just first longeron includes fixed connection's first guide section and first atress section, and the second longeron includes fixed connection's second guide section and second atress section, and the second longeron with form first installation space between the first longeron, this cabin structural mounting is after on the automobile body, before enclose the entablature and before enclose the bottom end rail and be located between battery package and the anterior striking point of automobile body, when taking place the anterior striking of car, deformation takes place respectively for first guide section, second guide section and absorption striking, when the striking dynamics is great, before enclose the entablature and before enclose bottom end rail and first longeron and second longeron fixed connection, two crossbeam structures protect first installation space inner member structure simultaneously, improve battery package security performance, improve the mechanism and receive the bulk strength and the kinetic energy when impacting openly and stability.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a nacelle structure provided in an embodiment of the present application;

FIG. 2 is a top view of a nacelle structure provided by an embodiment of the present application;

FIG. 3 is an exploded view of a nacelle structure provided by an embodiment of the present application;

in the figure: 1. a first longitudinal beam; 11. a first guide section; 12. a first force-bearing segment; 2. a second longitudinal beam; 21. a second guide section; 22. a second force-bearing segment; 3. the front wall is provided with an upper beam; 4. the front wall encloses the lower cross beam.

Detailed Description

The present invention will be further explained with reference to the drawings and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely representative for purposes of describing example embodiments of the present invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

As shown in fig. 1 to 3, a nacelle structure includes a first longitudinal member 1, a second longitudinal member 2, and a front-wall upper cross member 3 and a front-wall lower cross member 4 provided between the first longitudinal member 1 and the second longitudinal member 2, wherein:

the first longitudinal beam 1 is arranged along the length direction of a vehicle body, the first longitudinal beam 1 comprises a first guiding section 11 and a first stress section 12 which are fixed in a welding mode, one end of the first guiding section 11 is fixedly connected with one end of the first stress section 12, and the impact kinetic energy is provided for effective force transmission.

The second longitudinal beam 2 is arranged on one side of the first longitudinal beam 1 along the length direction of the vehicle body, a first mounting space is formed between the second longitudinal beam and the first longitudinal beam 1, the second longitudinal beam 2 comprises a second guiding section 21 and a second stress section 22 which are fixedly welded, one end of the second guiding section 21 is fixedly connected with one end of the second stress section 22, and the impact kinetic energy is provided for effective force transmission.

Two ends of the front wall upper cross beam 3 are fixedly arranged between the first longitudinal beam 1 and the second longitudinal beam 2.

And two ends of the front wall lower cross beam 4 are fixedly arranged between the first longitudinal beam 1 and the second longitudinal beam 2.

The working principle of the embodiment is as follows: the cabin structure comprises a first longitudinal beam 1, a second longitudinal beam 2, a front surrounding upper cross beam 3 and a front surrounding lower cross beam 4 which are arranged between the first longitudinal beam 1 and the second longitudinal beam 2, the first longitudinal beam 1 and the second longitudinal beam 2 are arranged along the length direction of a vehicle body, the first longitudinal beam 1 comprises a first guide section 11 and a first stress section 12 which are fixedly connected, the second longitudinal beam 2 comprises a second guide section 21 and a second stress section 22 which are fixedly connected, the second longitudinal beam 2 and the first longitudinal beam 1 form a first installation space, the cabin structure is installed on the vehicle body, the front surrounding upper cross beam 3 and the front surrounding lower cross beam 4 are located between a battery pack and a front impact point of the vehicle body, when the front impact of the vehicle occurs, the first guide section 11 and the second guide section 21 are respectively deformed and absorb impact kinetic energy, when the impact force is large, the front surrounding upper cross beam 3 and the front surrounding lower cross beam 4 are fixedly connected with the first longitudinal beam 1 and the second longitudinal beam 2, the two cross beam structures simultaneously protect internal component structures of the first installation space, the cabin structure improves the safety performance of the cabin, and improves the integral impact strength of the front surrounding lower cross beam structure when the battery pack receives the impact mechanism.

Further, on the basis of the above embodiment, the length extending direction of the first force-bearing section 12 is the same as the length extending direction of the vehicle body, so as to be kept in the length direction of the vehicle body, when the vehicle body is impacted from the front, the impact force can be transmitted to the front of the first force-bearing section 12, the stability of the first force-bearing section 12 when the vehicle body is stressed is kept, and the first force-bearing section 12 is prevented from being bent and deformed in advance due to an included angle between the length extending direction of the first force-bearing section 12 and the force-bearing direction.

Further, on the basis of the above embodiment, the first force-receiving section 12 and the second force-receiving section 22 are arranged in parallel to each other, so as to be kept in the length direction of the vehicle body, when the vehicle body is impacted by a frontal impact, the transmission of the impact force can be received on the second force-receiving section 22 in a frontal direction, the stability of the second force-receiving section 22 when the vehicle body is stressed is kept, and the second force-receiving section 22 is prevented from being bent and deformed in advance due to an included angle existing between the length extension direction of the second force-receiving section 22 and the stress direction of the vehicle.

Further, on the basis of the above embodiment, the lengths of the first force-bearing section 12 and the second force-bearing section 22 are the same, so that the uniformity of the first force-bearing section 12 and the second force-bearing section 22 in force bearing is maintained, and when the vehicle is collided in front of the vehicle, the vehicle body can be collided in a more stable direction, and the vehicle body is prevented from deviating.

Further, on the basis of the above embodiment, along the height direction of the vehicle body, the front wall upper cross beam 3 and the front wall lower cross beam 4 are located at different heights, so that the front wall upper cross beam 3 and the front wall lower cross beam 4 are protected in a wider range in the first installation control in the impact direction.

Further, on the basis of the above embodiment, the two ends of the front wall upper beam 3 are respectively welded and fixed to the first guide section 11 and the second guide section 21, so that the connection stability is improved while the processing efficiency is maintained.

Further, on the basis of the above embodiment, the two ends of the front wall lower cross beam 4 are respectively welded and fixed to the first guide section 11 and the second guide section 21, so that the connection stability is improved while the processing efficiency is maintained.

Further, on the basis of the above embodiment, two ends of the front wall upper cross beam 3 are respectively welded and fixed to two ends of the front wall lower cross beam 4, so that the connection stability is improved while the processing efficiency is maintained.

Further, on the basis of the above embodiment, the first guiding section 11 and the second guiding section 21 are respectively arranged in an arc shape, and the first guiding section 11 and the second guiding section 21 which are respectively arranged in an arc shape can realize deformation energy absorption to a certain extent during impact, so that the impact acting force with a large proportion is prevented from being transmitted to the first stressed section 12 and the second stressed section 22, and a better energy absorption effect is achieved.

And the height that first guide section 11 is close to first atress section 12 one end is less than the height of the other end, the height that second guide section 21 is close to second atress section 22 one end is less than the height of the other end, further improves the energy-absorbing ability of first guide section 11 and second guide section 21, and through the height setting, more nimble commentaries on classics of joining in marriage region is provided to preceding wall entablature 3 or preceding wall bottom end rail 4 simultaneously, avoids appearing the installation between preceding wall entablature 3 or preceding wall bottom end rail 4 and interferes.

Based on the same inventive concept, the present application further provides an automobile, which includes a frame and the cabin structure, wherein an end of the first force-bearing section 12 away from the first guiding section 11 is fixedly connected to the frame, and an end of the second force-bearing section 22 away from the second guiding section 21 is fixedly connected to the frame.

It should be understood that the terms first, second, etc. are used merely for distinguishing between descriptions and are not intended to indicate or imply relative importance. Although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present invention.

It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: the three cases of A alone, B alone and A and B together exist, and the term "/and" in this document describes another associated object relationship, which means that two relationships may exist, for example, A/and B, which may mean: the presence of a alone, and both cases a and B alone, and further, the character "/" herein generally means that the former and latter associated objects are in an "or" relationship.

It is to be understood that in the description of the present invention, the terms "upper", "vertical", "inner", "outer", and the like, refer to an orientation or positional relationship that is conventionally used to place the disclosed product in use, or that is conventionally understood by those skilled in the art, and are used merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.

In the following description, specific details are provided to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring example embodiments.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. 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 application. Thus, the present application 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

1. A nacelle structure, comprising:

2. The nacelle construction of claim 1, wherein: the length extending direction of the first force-bearing section is the same as the length extending direction of the vehicle body.

3. The nacelle construction of claim 2, wherein: the first stress section and the second stress section are arranged in parallel.

4. The nacelle construction of claim 3, wherein: the first force-bearing segment and the second force-bearing segment are the same in length.

5. The nacelle construction of claim 1, wherein: and the front wall upper cross beam and the front wall lower cross beam are positioned at different heights along the height direction of the vehicle body.

6. The nacelle construction of claim 1, wherein: and two ends of the front wall upper cross beam are respectively welded and fixed on the first guide section and the second guide section.

7. The nacelle construction of claim 1, wherein: and two ends of the front wall lower cross beam are welded and fixed with the first guide section and the second guide section respectively.

8. The nacelle construction of claim 1, wherein: and two ends of the front wall upper cross beam are respectively welded and fixed at two ends of the front wall lower cross beam.

9. The nacelle construction of claim 1, wherein: the first guide section and the second guide section are arranged in an arc shape respectively, the first guide section is close to the height of one end of the first stress section, which is smaller than the height of the other end of the first stress section, and the second guide section is close to the height of one end of the second stress section, which is smaller than the height of the other end of the second stress section.

10. An automobile, characterized in that it comprises a frame and a nacelle construction according to any of claims 1-9, the end of the first force-bearing section remote from the first guide section being fixedly connected to the frame, and the end of the second force-bearing section remote from the second guide section being fixedly connected to the frame.