CN220315111U - Electric automobile body frame, automobile body and vehicle - Google Patents

Abstract

The embodiment of the application relates to the technical field of automobiles, concretely relates to electric automobile body frame, automobile body and vehicle, the automobile body frame includes the front longitudinal beam, cross the cross beam and bottom plate longeron, the cross beam is connected between front longitudinal beam and bottom plate longeron, the bottom of cross beam is provided with dodges the district, dodge the space formation between district and the both sides bottom plate longeron is used for holding the accommodation space of battery, form the accommodation space that is used for holding power battery between the bottom plate longeron of both sides, the cross beam is located accommodation space's corner department this moment, dodge the district in the bottom of cross beam, so that dodge the corner that the district formed accommodation space, thereby make accommodation space be regular rectangle, and then need not to change the form of battery when installing rectangular power battery, and the cross beam still is in the transmission of relative smooth transition form in order to guarantee the power, realize guaranteeing the effect of power battery capacity as far as possible under the unchangeable circumstances of automobile body frame body structure.

Description

Electric automobile body frame, automobile body and vehicle

Technical Field

The application belongs to the technical field of automobiles, and particularly relates to an electric automobile body frame, an electric automobile body and an electric automobile.

Background

In addition to the need to provide conventional passive safety requirements, the body frame also needs to protect the power cells. In the prior art solutions, in order to achieve a better safety protection effect, the front side rail and the floor side rail should be as smoothly transitioned as possible in order to facilitate the transmission of the frontal collision force.

In the prior art, the power battery is generally arranged on the inner side of the bottom plate longitudinal beam, the front longitudinal beam is influenced by the front suspension, a certain space difference exists between the front longitudinal beam and the bottom plate longitudinal beam in the transverse direction of the vehicle, the transition beam is influenced by the space difference, and the form of the transition beam can interfere with the power battery, so that the form or the volume of the power battery is often required to be changed to avoid the transition beam, and the capacity of the power battery is influenced.

Disclosure of Invention

The method aims at solving the technical problem that the shape or the volume of the power battery needs to be changed to avoid the transition beam at least to a certain extent. To this end, the present application provides an electric vehicle body frame, a vehicle body, and a vehicle.

The technical scheme of the application is as follows:

in a first aspect, the application provides an electric automobile body frame, the electric automobile body frame includes front longitudinal beam, transition roof beam and bottom plate longeron, the transition roof beam is connected the front longitudinal beam with between the bottom plate longeron, the bottom of transition roof beam is provided with dodges the district, dodge district and both sides space formation between the bottom plate longeron is used for holding the accommodation space of battery.

In some embodiments, the accommodating space is located at the bottom of the front longitudinal beam, and the avoidance area is disposed at a side of the bottom of the front longitudinal beam facing the accommodating space.

In some embodiments, the avoidance region may be an avoidance groove disposed along a length direction of the transition beam field and recessed inward.

In some embodiments, the projection of the accommodation space on the horizontal plane may be rectangular.

In some embodiments, the body frame further comprises:

the cross beam is arranged between the transition beams at two sides, and the avoidance area and the space between the cross beam and the bottom plate longitudinal beams at two sides form an accommodating space for accommodating batteries.

In some embodiments, the cross member is connected at an end of the transition beam adjacent to the front side member to disperse forces transmitted from the front side member to the transition beam.

In a second aspect, the present application also provides an electric vehicle body, including the above-described vehicle body frame.

In some embodiments, the automotive body further comprises:

the power battery, accommodation space bottom is provided with the bottom plate, be provided with on the bottom plate and be located power battery in the accommodation space, power battery's corner is located dodge in the district.

In some embodiments, the body frame further comprises:

the front anti-collision beam assembly is arranged between the front longitudinal beams on two sides and far away from one end of the transition beam.

In a third aspect, the present application also provides a vehicle comprising the above-described body frame, or the above-described automotive body.

The embodiment of the application has at least the following beneficial effects:

the application provides an electric automobile body frame, automobile body and vehicle, including front longitudinal beam, bottom plate longeron and the transition roof beam of setting between front longitudinal beam and bottom plate longeron, form the accommodation space that is used for holding power battery between the bottom plate longeron of both sides, the transition roof beam is located accommodation space's corner department this moment, offer on the transition roof beam and dodge the district, so that dodge the district and form accommodation space's corner, thereby make accommodation space be regular rectangle, and then need not to change the form of battery when installing rectangular power battery, realize the effect of assurance power battery capacity as far as under the unchangeable circumstances of automobile body frame major structure maintenance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a vehicle body frame in the related art;

FIG. 2 is a schematic view of a vehicle body frame according to an embodiment of the present application;

fig. 3 is a schematic cross-sectional view in the direction A-A of fig. 2.

Reference numerals:

1. a front side member; 2. a transition beam; 21. an avoidance zone; 3. a floor stringer; 4. an accommodation space; 5. a cross beam; 6. a power battery; 7. front anti-collision beam assembly

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not in themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.

The present application is described below with reference to specific embodiments in conjunction with the accompanying drawings:

in addition to the need to provide conventional passive safety requirements, the body frame also needs to protect the power cells. In the prior art solutions, in order to achieve a better safety protection effect, the front side rail and the floor side rail should be as smoothly transitioned as possible in order to facilitate the transmission of the frontal collision force.

In the prior art, the power battery is generally arranged on the inner side of the bottom plate longitudinal beam, the front longitudinal beam is influenced by the front suspension, a certain space difference exists between the front longitudinal beam and the bottom plate longitudinal beam in the transverse direction of the vehicle, the transition beam is influenced by the space difference, and the form of the transition beam can interfere with the power battery, so that the form or the volume of the power battery is often required to be changed to avoid the transition beam, and the capacity of the power battery is influenced.

Referring to fig. 1, in the related art, there is a space difference between the front side member and the floor side member in the lateral direction of the vehicle, and a smooth transition connection is made by the rear section of the front side member, but this structure results in the power battery being cut off a corner. The battery cells in the power battery are often in a cuboid or cylinder shape with the specification, and the unfilled corners of the battery cells influence the arrangement of the battery cells of the power battery, so that the capacity of the battery in unit volume is reduced.

In view of this, this application embodiment proposes an electric automobile body frame, see fig. 2 and 3, the body frame includes front side member 1, transition beam 2 and bottom plate longeron 3, wherein, front side member 1, transition beam 2 and bottom plate longeron 3 all are provided with two sets of, and front side member 1 is located the vehicle front, and two sets of front side members 1 set up along the length direction of vehicle, and set up along the axis symmetry of vehicle, and the distance between two front side members 1 is less than the width of vehicle, in order to reserve installation space in the outside of two front side members 1 in order to install other parts.

The bottom plate longeron 3 sets up in the middle part of vehicle, and two sets of bottom plate longerons 3 set up along the length direction of vehicle, and set up along the axis symmetry of vehicle, and the distance between two sets of bottom plate longerons 3 and the width looks adaptation of vehicle forms the space of rectangle between two sets of bottom plate longerons 3.

The transition beam 2 is connected between the front side member 1 and the floor side member 3, since the distance between the front side member 1 is smaller than the distance between the floor side member 3, the transition beam 2 needs to be smoothly disposed between the front side member 1 and the floor side member 3 to ensure the transmission of force, and thus the transition beam 2 is disposed to be inclined relatively, so that the space between the two groups of transition beams 2 is in a kidney shape on a plane, and when the power battery 6 is mounted, since the power battery 6 is generally in a regular column shape or a rectangle shape, the power battery 6 which is adapted to the width of the rectangular space between the floor side member 3 cannot be mounted in the space between the two groups of transition beams 2, and therefore the avoidance area 21 is disposed on the transition beam 2, and the space between the avoidance area 21 and the two groups of transition beams 2 forms a space adapted to the width of the accommodation space 4, thereby forming a new accommodation space 4, so that the power battery 6 can be mounted in the accommodation space 4.

This embodiment provides an electric automobile body frame, including front longitudinal beam 1, bottom plate longeron 3 and the transition roof beam 2 of setting between front longitudinal beam 1 and bottom plate longeron 3, form the accommodation space 4 that is used for holding power battery 6 between the bottom plate longeron 3 of both sides, transition roof beam 2 is located the corner department of accommodation space 4 this moment, set up on transition roof beam 2 and dodge district 21, so that dodge district 21 forms the corner of accommodation space 4, thereby make accommodation space 4 be regular rectangle, and then need not to change the form of battery when installing rectangular power battery 6, realize the effect of assurance power battery 6 capacity as far as possible under the unchangeable circumstances of body frame body structure maintenance.

Based on the above-mentioned vehicle body frame, the present application provides examples of some specific embodiments, and each example may be arbitrarily combined to form a new vehicle body frame without contradiction, and it should be understood that, for a new vehicle body frame formed by combining any examples, all fall within the protection scope of the present application.

In some embodiments, the accommodating space 4 is located at the bottom of the front side member 1, and the escape area 21 is disposed at the bottom of the front side member 1 toward the accommodating space 4.

The accommodating space 4 is located relatively lower than the floor side member 3 and the transition beam 2, so that the avoidance zone 21 on the front side member 1 is disposed below the front side member 1, the top of the front side member 1 is in a smooth transition form, and the bottom is the accommodating space 4, so that the front side member 1 can realize a force transmission structure between the front side member 1 and the floor side member 3, and at the same time, can form the accommodating space 4 having a rectangular shape capable of accommodating the power battery 6.

In some embodiments, the relief areas 21 may be relief grooves disposed along the length of the field of the transition beam 2 and recessed inwardly.

In this embodiment, since the form of the transition beam 2 is a smooth transition structure, that is, the transition beam 2 may be oblique or arc, and the avoidance area 21 to be formed on the transition beam 2 is a corner that needs to form a rectangular avoidance space, that is, the projection of the avoidance area 21 on a plane forms a right triangle, so that the bottom of the transition beam 2 is provided with the avoidance groove along the length direction of the transition beam 2, the depth of the avoidance groove is gradually deepened from two ends to the middle, so that the projection on the plane forms a triangular avoidance groove, the avoidance groove is provided at the edge position of the bottom of the transition beam 2, that is, the edge part of the bottom of the transition beam 2 is inwards recessed, so that the side wall of the avoidance groove, which is far away from the power battery 6, is inclined from the side of the power battery 6 from top to bottom, so that the improvement of the housing space 4 has a large enough space, and the influence on the installation of the power battery 6 is avoided.

In some embodiments, the projection of the accommodating space 4 on the horizontal plane may be rectangular, so as to adapt to the shape of the power battery 6 in most cases, in other embodiments, when the power battery 6 is in other shapes, the shape of the avoidance area 21 may be adjusted according to the actual situation, so that the accommodating space 4 formed is in other shapes to adapt to the power battery 6, and the applicability of the vehicle body frame is improved.

In some embodiments, referring to fig. 2 and 3, the vehicle body frame further includes a cross member 5, the cross member 5 being disposed between the two side transition beams 2, the escape area 21 and the space between the cross member 5 and the two side floor stringers 3 forming an accommodation space 4 for accommodating the battery.

After the avoidance area 21 is arranged at the bottom of the transition beam 2, the structure of the transition beam 2 is sunken, so that the cross-sectional area of the transition beam 2 is reduced, the force transmission performance and the bearing performance of the transition beam are reduced compared with those of the conventional transition beam 2, and meanwhile, when larger external force is received, local stress is easily generated in the force transmission process and the structural failure is generated due to the fact that the transition beam 2 is positioned in the transition area between the front longitudinal beam 1 and the bottom plate longitudinal beam 3, and the cross beam 5 is arranged between the transition beams 2 at two sides so as to disperse the force transmitted from the front longitudinal beam 1 to the transition beam 2.

In some embodiments, the cross beam 5 is connected to one end of the transition beam 2 near the front longitudinal beam 1 to disperse the force transmitted from the front longitudinal beam 1 to the transition beam 2, the cross beam 5 is disposed along the width direction of the vehicle, two ends of the cross beam 5 are connected to the connection parts of the front longitudinal beams 1 and the transition beam 2, when the cross beam 5, the two side transition beams 2 and the two sides transmit the force to the transition beam 2 in the front longitudinal beam 1, the diameter of the transition beam 2 is reduced, so that the structural failure is easily caused by the overlarge local stress in the force transmission process, the force of the two side transition beams 2 is dispersed to the cross beam 5 through the cross beam 5, the opposite forces of the two ends of the cross beam 5 are offset on the cross beam 5 along the length direction of the cross beam 5, and the force of the transition beam 2 is dispersed through the cross beam 5, thereby reducing the force applied to the transition beam 2 and reducing the failure damage of the transition beam 2.

An accommodating space 4 for accommodating the power battery 6 is formed between the bottom plate longitudinal beams 3 on two sides and the cross beam 5 in front, at this time, the transition beam 2 is located at the corner of the accommodating space 4, and the avoidance area 21 is formed on the transition beam 2, so that the avoidance area 21 forms the corner of the accommodating space 4, the accommodating space 4 is in a regular rectangle, and then the battery shape is not required to be changed when the rectangular power battery 6 is installed, and the effect of ensuring the capacity of the power battery 6 as much as possible under the condition that the main body structure of the vehicle body frame is unchanged is achieved.

The second aspect of the application provides an electric automobile body, including foretell automobile body frame, still including the bottom plate that is located accommodation space 4 bottom for install and place power battery 6, power battery 6 is installed to the bottom plate top, and power battery 6's main part is located accommodation space 4, and power battery 6's corner can be located and dodges district 21.

The front anti-collision beam assembly 7 comprises a front anti-collision beam, an arc plate bent by the front anti-collision beam, a convex surface of the front anti-collision beam faces the front of a vehicle body, a concave surface of the front anti-collision beam faces the vehicle, and two groups of front longitudinal beams 1 are respectively connected with the concave surfaces of the front anti-collision beam faces the vehicle and are used for absorbing large collision energy when resisting front collision or offset collision, so that the vehicle structure is protected.

The automobile body may further include a left sealing plate assembly disposed outside the left side of the left side front side member 1 and above the front side member 1, and a right sealing plate assembly disposed outside the right side of the right side front side member 1 and above the front side member 1, enclosing a front cabin structure of the vehicle with the front bumper beam assembly 7, the cross member 5, and the front side members 1 on both sides, and other components of the vehicle being disposed in the front cabin. When the front longitudinal beam 1 is subjected to collision, two force transmission paths are formed through the front longitudinal beam 1 and the sealing plate assembly, and collision force is transmitted and absorbed, so that the collision energy absorption effect of the front cabin is improved.

A third aspect of the present application provides a vehicle comprising the above-described body frame or automotive body.

In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise" indicate or positional relationships are based on the positional relationships shown in the drawings, merely for convenience of description and to simplify 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 therefore should not be construed as limiting the present application.

It should be noted that all the directional indicators in the embodiments of the present application are only used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture, and if the specific posture is changed, the directional indicators are correspondingly changed.

In the present application, unless explicitly specified and limited otherwise, the terms "coupled," "secured," and the like are to be construed broadly, and for example, "secured" may be either permanently attached or removably attached, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In addition, descriptions such as those related to "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated in this application. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present application.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The electric automobile body frame is characterized in that the body frame comprises a front longitudinal beam (1), a transition beam (2) and a bottom plate longitudinal beam (3), wherein the transition beam (2) is connected between the front longitudinal beam (1) and the bottom plate longitudinal beam (3), an avoidance area (21) is arranged at the bottom of the transition beam (2), and the avoidance area (21) and two sides form an accommodating space (4) for accommodating a battery in a space between the bottom plate longitudinal beam (3).

2. The vehicle body frame according to claim 1, characterized in that the accommodation space (4) is located at the bottom of the front side member (1), and the escape area (21) is provided at the side of the bottom of the front side member (1) toward the accommodation space (4).

3. The vehicle body frame according to claim 2, characterized in that the relief area (21) can be a relief groove which is arranged in the field length direction of the transition beam (2) and is recessed inwards.

4. A vehicle body frame according to claim 1, characterized in that the projection of the accommodation space (4) on the horizontal plane can be rectangular.

5. The vehicle body frame of claim 1, further comprising:

the cross beam (5), the cross beam (5) is arranged on both sides between the transition beams (2), the avoidance area (21) and the space between the cross beam (5) and the bottom plate longitudinal beam (3) on both sides form an accommodating space (4) for accommodating batteries.

6. The vehicle body frame according to claim 5, characterized in that the cross member (5) is connected at an end of the transition beam (2) near the front side member (1) to disperse the force transmitted from the front side member (1) to the transition beam (2).

7. An electric vehicle body, characterized in that the vehicle body comprises a body frame as claimed in any one of claims 1 to 6.

8. The automotive body of claim 7, further comprising:

the power battery (6), accommodation space (4) bottom is provided with the bottom plate, be provided with on the bottom plate and be located power battery (6) in accommodation space (4), the corner of power battery (6) is located dodge in district (21).

9. The automotive body of claim 8, wherein the body frame further comprises:

the front anti-collision beam assembly (7), the front anti-collision beam assembly (7) is arranged between the front longitudinal beams (1) on two sides, and is far away from one end of the transition beam (2) with the front longitudinal beams (1).

10. A vehicle comprising the body frame of any one of claims 1 to 6, or the automotive body of claim 8 or 9.