CN222452355U

CN222452355U - Vehicle body skeleton structure and vehicle

Info

Publication number: CN222452355U
Application number: CN202421236428.1U
Authority: CN
Inventors: 张桂玲; 王达; 王建港
Original assignee: Shandong Tangjun Ouling Automobile Manufacture Co ltd; Zhejiang Geely Holding Group Co Ltd; Zhejiang Geely Remote New Energy Commercial Vehicle Group Co Ltd
Current assignee: Shandong Tangjun Ouling Automobile Manufacture Co ltd; Zhejiang Remote New Energy Commercial Vehicle Group Co.,Ltd.; Zhejiang Geely Holding Group Co Ltd
Priority date: 2024-05-31
Filing date: 2024-05-31
Publication date: 2025-02-11
Anticipated expiration: 2034-05-31

Abstract

The utility model discloses a vehicle body frame structure and a vehicle, and relates to the field of vehicle technology, wherein the vehicle body frame structure comprises: a longitudinal beam assembly, comprising a middle longitudinal beam and a rear longitudinal beam connected to each other; and a cross beam assembly, comprising a cross beam and a first connecting member connected to each other, the cross beam connects the middle longitudinal beam, and the middle longitudinal beam and the rear longitudinal beam are both connected to the first connecting member. The technical solution provided by the utility model improves the rigidity of the vehicle body frame structure.

Description

Vehicle body skeleton structure and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a vehicle body framework structure and a vehicle.

Background

The bearing type car body is a design mode of combining the car body and the car frame into a whole, can realize designs such as a low chassis and a large space more easily, and provides more comfortable riding experience.

The girder assembly of traditional bearing type automobile body is generally through integrative, but on new energy automobile, owing to set up the installation space of battery package for girder assembly generally can not link up integrative setting, often forms through the connection of multistage longeron, and this leads to the frame construction of automobile body to have the relatively poor problem of rigidity.

Disclosure of utility model

The main purpose of the utility model is to provide a vehicle body framework structure and a vehicle, aiming at improving the rigidity of the vehicle body framework structure.

In order to achieve the above object, the present utility model provides a vehicle body framework structure comprising:

A longitudinal beam assembly comprising a middle longitudinal beam and a rear longitudinal beam which are connected, and

The crossbeam assembly comprises a crossbeam and a first connecting piece which are connected, wherein the crossbeam is connected with the middle longitudinal beam, and the middle longitudinal beam and the rear longitudinal beam are both connected with the first connecting piece.

In one embodiment, the rear side member includes:

A first beam body, one end of the first connecting piece far away from the cross beam is connected with the first beam body and the middle longitudinal beam, and

And the second beam body is connected with the first beam body and the middle longitudinal beam.

In one embodiment, the first beam body and the middle longitudinal beam are arranged at intervals along the height direction of the vehicle;

The first connecting piece extends between the first beam body and the middle longitudinal beam at one end far away from the cross beam, and/or extends between the first beam body and the middle longitudinal beam at one end of the second beam body close to the first connecting piece.

In one embodiment, the first connector comprises:

A first support main having a first end and a second end opposite to each other in an extending direction of the rear side member;

A first flanging which is connected with the first end in a bending way and is connected with the cross beam, and

And the second flanging extends from the first end to the second end and is connected with the middle longitudinal beam and the rear longitudinal beam.

In an embodiment, the longitudinal beam assembly further comprises a front longitudinal beam partition, the front longitudinal beam partition is attached to the upper side of the middle longitudinal beam, and the cross beam connects the front longitudinal beam partition and the middle longitudinal beam.

In an embodiment, the cross member assembly further includes a second connecting member, the second connecting member being disposed on a side of the cross member facing away from the first connecting member, the second connecting member connecting the cross member and the front side member bulkhead.

In one embodiment, the second connector comprises:

a second support body having third and fourth ends opposite in a direction perpendicular to an extension direction of the cross member;

A third flange bent and connected to the third end and connected with the front longitudinal beam baffle plate, and

And the fourth flanging extends from the third end to the fourth end and is connected with the cross beam.

In one embodiment, the second connecting piece further comprises a fifth flanging, the fifth flanging is bent and connected to the fourth end, and the cross beam comprises:

A cross member main body connecting the front side member bulkhead and the center side member, the fourth flange being connected to the cross member main body, and

And the sixth flanging is arranged at one end, far away from the front longitudinal beam partition plate, of the cross beam main body and is connected with the fifth flanging.

In an embodiment, a groove is formed in one side of the cross beam, which faces away from the middle longitudinal beam, and the cross beam assembly further comprises a reinforcing member, wherein the reinforcing member extends in the same direction as the middle longitudinal beam and is connected with two opposite inner walls of the groove.

In one embodiment, the reinforcement member is disposed between the first connector and the second connector, and/or,

The reinforcement is connected with the groove near the bottom wall of the middle longitudinal beam.

In an embodiment, one end of the middle longitudinal beam, which is close to the rear longitudinal beam, extends obliquely in a direction away from the ground, so that an installation space of the battery pack is formed below the rear longitudinal beam.

In one embodiment, the middle stringer comprises:

A third beam body connecting the cross member assembly and the rear side member, one end of the third beam body near the rear side member extending obliquely in a direction away from the ground, and

And the fourth beam body is coated on one side of the third Liang Tichao towards the installation space.

The utility model also provides a vehicle which comprises the vehicle body framework structure.

According to the technical scheme, the middle longitudinal beam and the rear longitudinal beam of the longitudinal beam assembly are connected together through the first connecting piece of the cross beam assembly, the connection failure possibility of the middle longitudinal beam and the rear longitudinal beam is reduced, the connection strength between the middle longitudinal beam and the rear longitudinal beam is improved, the deformation possibility of the middle longitudinal beam and the rear longitudinal beam is reduced, the rigidity of the longitudinal beam assembly is improved, on the other hand, the middle longitudinal beam is connected with the cross beam of the cross beam assembly, the first connecting piece of the cross beam assembly is connected with the middle longitudinal beam and the rear longitudinal beam, the connection strength between the cross beam assembly and the longitudinal beam assembly is improved, on the other hand, any one of the middle longitudinal beam, the rear longitudinal beam, the cross beam and the first connecting piece is connected with at least two other parts of the middle longitudinal beam, the rear longitudinal beam, the cross beam and the first connecting piece, the connection failure possibility of any part is reduced, the strength of the vehicle body skeleton structure is improved, the deformation possibility of the whole vehicle body skeleton structure is reduced, and the rigidity of the vehicle body skeleton structure is improved.

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 some embodiments of the present utility model, and other drawings can be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an embodiment of a vehicle body framework structure according to the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an exploded view of one embodiment of a vehicle body framework structure provided by the present utility model;

FIG. 4 is a schematic view of a first connector of a cross member assembly of a vehicle body frame structure according to the present utility model;

FIG. 5 is a schematic diagram of a second embodiment of a vehicle body framework structure according to the present utility model;

FIG. 6 is a schematic view of a cross member assembly of a vehicle body framework structure provided by the present utility model;

FIG. 7 is a schematic view of a second connector of a cross member assembly of a vehicle body frame structure according to the present utility model;

fig. 8 is an exploded view of a side member assembly of a vehicle body framework structure provided by the present utility model.

Reference numerals illustrate:

100. The front longitudinal beam comprises a longitudinal beam assembly, a mounting space, 110, a middle longitudinal beam, 111, a third longitudinal beam, 112, a fourth longitudinal beam, 120, a rear longitudinal beam, 121, a first longitudinal beam, 122, a second longitudinal beam, 130 and a front longitudinal beam partition plate;

200. Beam assembly 210, beam 211, beam body 2111, groove 212, sixth flange 220, first connector 221, first support body 222, first flange 223, second flange 230, second connector 231, second support body 232, third flange 233, fourth flange 234, fifth flange 240, reinforcement 241, reinforcement body 242, seventh flange 243, eighth flange.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear are referred to in the embodiments of the present utility model), the directional indications are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture, and if the specific posture is changed, the directional indications are correspondingly changed.

In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "fixed" and the like are to be construed broadly, and for example, "fixed" may be a fixed connection, may be a removable connection or an integral body, and "connected" may be a mechanical connection, may be an electrical connection, may be a direct connection, may be an indirect connection through an intermediary, and may be a communication between two elements or an interaction relationship between two elements. Unless otherwise specifically defined, it will be understood by those of ordinary skill in the art that the specific meaning of the terms described above in this utility model will be understood by those skilled in the art as the case may be.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is only for descriptive purposes, and is not to be construed as indicating or implying 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 at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. 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 considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a vehicle body framework structure.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of an embodiment of a vehicle body skeleton structure according to the present utility model, fig. 2 is a partially enlarged view of a portion a in fig. 1, and fig. 3 is an exploded view of an embodiment of a vehicle body skeleton structure according to the present utility model.

In one embodiment of the present utility model, the vehicle body skeleton structure includes:

A stringer assembly 100 including a middle stringer 110 and a rear stringer 120 connected, and

The beam assembly 200 includes a beam 210 and a first connector 220 that are connected, the beam 210 connects the center rail 110, and the center rail 110 and the rear rail 120 are connected to the first connector 220.

According to the technical scheme, the middle longitudinal beam 110 and the rear longitudinal beam 120 of the longitudinal beam assembly 100 are connected through the first connecting piece 220 of the transverse beam assembly 200, the connection failure possibility of the middle longitudinal beam 110 and the rear longitudinal beam 120 is reduced, so that the connection strength between the middle longitudinal beam 110 and the rear longitudinal beam 120 is improved, the possibility of deformation of the middle longitudinal beam 110 and the rear longitudinal beam 120 is reduced, the rigidity of the longitudinal beam assembly 100 is improved, on the other hand, the transverse beam 210 of the transverse beam assembly 200 is connected with the middle longitudinal beam 110, the first connecting piece 220 of the transverse beam assembly 200 is connected with the middle longitudinal beam 110 and the rear longitudinal beam 120, the transverse beam 210 and the first connecting piece 220 are connected with at least two other parts of the middle longitudinal beam 110, the rear longitudinal beam 120 and the first connecting piece 220, the possibility of connection failure or fracture of any part of the middle longitudinal beam 110 and the rear longitudinal beam 120 is reduced, the strength of the whole body structure is improved, and the rigidity of the whole body structure is reduced, and the rigidity of the whole body structure is improved.

In particular, in the present embodiment, the vehicle body skeleton structure includes two rail assemblies 100, and the cross member 210 is disposed above the two rail assemblies 100 and connects the two rail assemblies 100, and the first connecting member 220 is disposed corresponding to each rail assembly 100, so that the cross member assembly 200 and the two rail assemblies 100 form a frame structure again, thereby improving the strength and rigidity of the vehicle body skeleton structure. The internal connection of the cross beam assembly 200, the internal connection of the longitudinal beam assembly 100, and the connection between the cross beam assembly 200 and the longitudinal beam assembly 100 can be realized by welding or bolt locking.

In one embodiment, the rear side member 120 includes:

a first beam body 121, a first connecting member 220 connecting the first beam body 121 and the center sill 110 at an end remote from the cross member 210, and

The second beam 122 connects the first beam 121 and the center sill 110.

Referring to fig. 1 to 3, in the embodiment of the present utility model, the rear girder 120 includes a first girder body 121 and a second girder body 122 connected, wherein the first connecting member 220 connects the middle girder 110 and the first girder body 121, the second girder body 122 is directly connected with the middle girder 110, and when the rear girder 120 is assembled, the cross member 210 and the first connecting member 220 are welded with the middle girder 110, the second girder body 122 of the rear girder 120 is welded with the middle girder 110, and finally the first girder body 121 of the rear girder 120 is welded with the first connecting member 220 and the second girder body 122, so that the manufacturing difficulty of the rear girder 120 and the assembling difficulty between the rear girder 120 and the middle girder 110 and the first connecting member 220 are reduced by the way of separately reconnecting the rear girder 120.

In one embodiment, the first beam 121 and the middle longitudinal beam 110 are spaced apart in the height direction of the vehicle;

The end of the first link 220 remote from the cross member 210 extends between the first beam 121 and the center rail 110 and/or the end of the second beam 122 proximate to the first link 220 extends between the first beam 121 and the center rail 110.

Referring to fig. 2, 3 and 8, in the embodiment of the present utility model, the first beam body 121 and the middle rail 110 have a space in the height direction, and one end of the second beam body 122 adjacent to the first connecting member 220 can extend between the first beam body 121 and the middle rail 110 and connect the first beam body 121 and the middle rail 110, i.e., the first beam body 121 and the middle rail 110 clamp one end of the second beam body 122 adjacent to the first connecting member 220 therebetween, thereby further reducing the possibility of failure or deformation of the connection between the middle rail 110 and the rear rail 120, and further improving the strength and rigidity of the rail assembly 100. The end of the first connecting member 220, which is far away from the cross beam 210, can also extend into between the first beam body 121 and the middle longitudinal beam 110 and connect the first beam body 121 and the middle longitudinal beam 110, that is, the first beam body 121 and the middle longitudinal beam 110 clamp the end of the first connecting member 220, which is far away from the cross beam 210, in the middle, so that the possibility of failure or deformation of connection between the first connecting member 220 and the middle longitudinal beam 110 and the rear longitudinal beam 120 is further reduced, and the strength and rigidity of the vehicle body skeleton structure are further improved.

In one embodiment, the first connector 220 includes:

A first support main 221 having first and second ends opposite in the extending direction of the rear side member 120;

a first flange 222 bent and connected to the first end and connected to the beam 210, and

A second flange 223 extends from the first end to the second end, connecting the center rail 110 and the rear rail 120.

Referring to fig. 2 to 4, in an embodiment of the present utility model, the first connection member 220 includes a first support body 221, a first flange 222, and a second flange 223, the first support body 221 has a first end and a second end along its extension direction, and the extension direction of the first support body 221 is the same as the extension direction of the rear side member 120. A first flange 222 is provided at a first end of the first support body 221, and the first connection member 220 is welded and fixed to the beam 210 through the first flange 222, so that a contact area and a welding length between the first connection member 220 and the beam 210 are increased, and a connection strength between the first connection member 220 and the beam 210 is improved. The second flange 223 is disposed on the bottom side of the first support main 221 facing the middle longitudinal beam 110, the second flange 223 extends from the first end to the second end of the first support main 221, the first connecting piece 220 connects the first beam body 121 of the rear longitudinal beam 120 and the middle longitudinal beam 110 through the second flange 223, and the contact area and the welding length between the first connecting piece 220 and the middle longitudinal beam 110 and between the first beam body 121 are increased, so that the connection strength between the first connecting piece 220 and the middle longitudinal beam 110 and the rear longitudinal beam 120 is improved.

In one embodiment, the rail assembly 100 further includes a front rail bulkhead 130, the front rail bulkhead 130 is attached to the upper side of the center rail 110, and the cross member 210 connects the front rail bulkhead 130 and the center rail 110.

Referring to fig. 5 and 8, in an embodiment of the present utility model, the rail assembly 100 further includes a front rail bulkhead 130 connected to the front rail, the front rail bulkhead 130 being attached to an upper side of the center rail 110 and welded to the center rail 110, ensuring a connection strength between the front rail bulkhead 130 and the center rail 110, and improving rigidity of the center rail 110. The cross member 210 connects the front side member bulkhead 130 and the center side member 110, which reduces the possibility of failure of the connection between the front side member bulkhead 130 and the center side member 110, thereby improving the strength of the side member assembly 100, and also reduces the possibility of failure of the connection between the cross member 210 and the center side member 110, thereby further improving the strength of the connection between the cross member assembly 200 and the side member assembly 100.

In one embodiment, the cross member assembly 200 further includes a second connecting member 230, the second connecting member 230 being disposed on a side of the cross member 210 facing away from the first connecting member 220, the second connecting member 230 connecting the cross member 210 and the front rail bulkhead 130.

Referring to fig. 5, in the embodiment of the present utility model, the cross member assembly 200 further includes a second connection member 230, the second connection member 230 being disposed at a side of the cross member 210 facing away from the first connection member 220, and connecting the cross member 210 and the front rail bulkhead 130 through the second connection member 230 further improves the connection strength between the cross member 210 and the front rail bulkhead 130. The cross member 210, the second connection member 230, the front side member bulkhead 130, and the center side member 110 again form a frame structure, reducing the possibility of deformation of the cross member assembly 200 and the side member assembly 100, thereby improving the rigidity of the entire vehicle body frame structure.

In one embodiment, the second connection 230 includes:

A second supporting body 231 having third and fourth ends opposite in a direction perpendicular to the extension direction of the beam 210;

A third flange 232 bent and connected to the third end and connected to the front side member bulkhead 130, and

A fourth flange 233 extends from the third end to the fourth end and is connected to the beam 210.

Referring to fig. 7, in the embodiment of the present utility model, the second connection member 230 includes a second support body 231, a third flange 232, and a fourth flange 233, the second support body 231 has an extension direction perpendicular to the extension direction of the cross member 210, and the second support body 231 has a third end and a fourth end along its own extension direction. A third flange 232 is provided at a third end of the second support body 231, and the second connection member 230 is welded to the front rail bulkhead 130 through the third flange 232, so that a contact area and a welding length between the second connection member 230 and the front rail bulkhead 130 are increased, and a connection strength between the second connection member 230 and the front rail bulkhead 130 is improved. A fourth flange 233 is provided at a side of the second supporting body 231 facing the cross beam 210, the fourth flange 233 extending from a third end to a fourth end of the second supporting body 231, the second connecting member 230 being connected to the cross beam 210 through the fourth flange 233, increasing a contact area and a welding length between the second connecting member 230 and the cross beam 210, thereby improving a connection strength of the second connecting member 230 and the cross beam 210.

In one embodiment, the second connecting piece 230 further includes a fifth flange 234, and the fifth flange 234 is bent to be connected to the fourth end, and the beam 210 includes:

A cross member main body 211 connecting the front side member bulkhead 130 and the center side member 110, a fourth flange 233 connecting the cross member main body 211, and

The sixth flange 212 is provided at an end of the cross member main body 211 remote from the front side member bulkhead 130, and is connected to the fifth flange 234.

Referring to fig. 5 and 7, in the embodiment of the present utility model, the second connecting member 230 further includes a fifth flange 234, the fifth flange 234 being disposed at a fourth end of the second connecting member 230, the cross member 210 including a cross member main body 211 and a sixth flange 212, the fourth flange 233 of the second connecting member 230 being coupled to the cross member main body 211, the fifth flange 234 being coupled to the sixth flange 212, further improving the coupling strength between the second connecting member 230 and the cross member 210, and on the other hand, the third end of the second supporting body 231 being coupled to the front side rail bulkhead 130, and the fourth end being coupled to the sixth flange 212, such that the second supporting member is supported between the sixth flange 212 of the cross member 210 and the front side rail bulkhead 130, thereby reinforcing the supporting effect of the side rail assembly 100 on the cross member assembly 200, reducing the possibility of deformation of the entire vehicle body frame structure, and improving the rigidity of the vehicle body frame structure.

In one embodiment, the side of the cross member 210 facing away from the center rail 110 is provided with a groove 2111, and the cross member assembly 200 further includes a reinforcement 240, the reinforcement 240 extending in the same direction as the center rail 110 and connecting two opposing inner walls of the groove 2111.

Referring to fig. 5, in the embodiment of the present utility model, the side of the cross member 210 facing away from the center sill 110 is provided with the groove 2111, which reduces the weight of the cross member 210 and facilitates the weight saving of the entire vehicle body skeleton structure. The beam assembly 200 further includes a reinforcement 240, the reinforcement 240 being disposed inside the groove 2111, connecting two opposite inner walls of the groove 2111, the reinforcement 240 being disposed to enhance the strength and rigidity of the beam 210, thereby enhancing the strength and rigidity of the beam assembly 200.

In one embodiment, the reinforcement member 240 is disposed between the first connector 220 and the second connector 230, and/or,

The stiffener 240 is connected to the groove 2111 near the bottom wall of the center rail 110.

Referring to fig. 5 and 6, in the embodiment of the present utility model, the reinforcement 240, the first link 220 and the second link 230 are integrally provided on the same line along the extension direction of the girder assembly 100, the reinforcement 240 is provided between the first link 220 and the second link 230, further reducing the possibility of deformation of the girder assembly 200, and on the other hand, increasing the connection length of the girder assembly 100 and the girder assembly 200 along the extension direction of the girder assembly 100, further reducing the possibility of deformation of the girder assembly 200 and the girder assembly 100, thereby improving the rigidity of the entire body frame structure.

Referring to fig. 6, in the embodiment of the present utility model, the reinforcement 240 includes a reinforcement body 241 and seventh flanges 242 provided at both ends of the reinforcement body 241, and the reinforcement 240 is connected to both inner walls of the groove 2111 through the seventh flanges 242 at both ends, increasing the contact area and connection strength between the reinforcement 240 and the cross beam 210. The reinforcing member 240 further includes an eighth burring 243 provided at a side of the reinforcing body 241 toward the bottom wall of the groove 2111, and the reinforcing member 240 is connected to the bottom wall of the groove 2111 through the eighth burring 243, further increasing the contact area and the connection strength between the reinforcing member 240 and the cross member 210.

Specifically, in the present embodiment, the assembling step of the vehicle body frame structure includes first welding the front side member bulkhead 130 to the center side member 110, second welding the second beam body 122 of the rear side member 120 to the center side member 110, then welding the reinforcement 240, the first link 220, and the second link 230 to the cross member 210 to form the cross member assembly 200, then assembling the cross member assembly 200 with the side member assembly 100, welding the second link 230 and the front side member bulkhead 130, welding the cross member 210 and the front side member bulkhead 130, and the cross member 210 and the center side member 110, and welding the first link 220 and the center side member 110, and finally, assembling the first beam body 121 of the rear side member 120, and welding the first beam body 121 and the first link 220, and the first beam body 121 and the second beam body 122. The assembly steps are fewer, the welding difficulty of each part is lower, the manufacturing difficulty of the whole automobile body framework structure is reduced, and the manufacturing efficiency of the automobile body framework structure is improved.

In one embodiment, an end of the middle rail 110 near the rear rail 120 is inclined to extend in a direction away from the ground to form an installation space 101 of the battery pack below the rear rail 120.

Referring to fig. 3, in the embodiment of the present utility model, an end of the middle rail 110 near the rear rail 120 is inclined in a direction away from the ground so that the height of the rear rail 120 from the ground is greater than the height of the end of the middle rail 110 away from the rear rail 120 from the ground, and the installation space 101 is formed below the rear rail 120, which facilitates the arrangement of the battery pack for the vehicle on the one hand and reduces the influence of the installation space 101 provided with the battery pack for the vehicle on the strength of the vehicle body skeleton structure on the other hand.

In one embodiment, the center rail 110 includes:

A third beam body 111 connecting the cross member assembly 200 and the rear side member 120, an end of the third beam body 111 adjacent to the rear side member 120 extending obliquely in a direction away from the ground, and

And a fourth beam 112, which is coated on one side of the third beam 111 facing the installation space 101.

Referring to fig. 8, in the embodiment of the present utility model, the middle longitudinal beam 110 includes a third beam body 111 and a fourth beam body 112, the front longitudinal beam separator 130 is disposed above the third beam body 111, the rear longitudinal beam 120 is connected to the third beam body 111, the fourth beam body 112 is wrapped on a side of the third beam body 111 facing the installation space 101, so as to improve the strength and rigidity of the third beam body 111, and further reduce the influence of the installation space 101 of the battery pack on the strength and rigidity of the vehicle body skeleton structure, and at the same time, facilitate connection with the installation structure of the battery pack.

The specific structure of the vehicle body framework structure refers to the above embodiments, and since the vehicle adopts all the technical solutions of all the embodiments, the vehicle body framework structure at least has all the beneficial effects brought by the technical solutions of the embodiments, and is not described in detail herein. The vehicle can be a passenger vehicle or a commercial vehicle, and the bearing type vehicle body of the vehicle has higher strength and rigidity by adopting the vehicle body framework structure, so that the vehicle is particularly suitable for being applied to new energy logistics vehicles, express delivery vehicles and the like.

The foregoing description is only exemplary embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A vehicle body skeleton structure, characterized by comprising:

2. The vehicle body skeleton structure of claim 1, wherein the rear side member includes:

3. The vehicle body skeleton structure of claim 2, wherein the first beam body and the center sill are disposed at intervals in a height direction of the vehicle;

4. The vehicle body skeleton structure of claim 1, wherein the first connector includes:

5. The vehicle body frame structure of claim 1, wherein said side member assembly further comprises a front side member bulkhead attached to an upper side of said center rail, said cross member connecting said front side member bulkhead and said center rail.

6. The vehicle body frame structure of claim 5, wherein said cross member assembly further comprises a second connector disposed on a side of said cross member facing away from said first connector, said second connector connecting said cross member and said front rail bulkhead.

7. The vehicle body skeleton structure of claim 6, wherein the second connector includes:

8. The body frame structure of claim 7, wherein said second connector further includes a fifth flange, said fifth flange being bent to connect to said fourth end, said cross member comprising:

9. The body frame structure of claim 6 wherein a side of said cross member facing away from said center sill is provided with a recess, said cross member assembly further comprising a reinforcement member extending in a direction co-current with said center sill and connecting two opposing inner walls of said recess.

10. The body skeleton structure of claim 9, wherein the reinforcing member is provided between the first connecting member and the second connecting member, and/or,

11. The vehicle body frame structure according to any one of claims 1 to 10, wherein an end of the center sill adjacent to the rear side sill extends obliquely in a direction away from the ground to form an installation space for a battery pack below the rear side sill.

12. The vehicle body skeleton structure of claim 11, wherein the center sill includes:

13. A vehicle comprising the vehicle body skeleton structure according to any one of claims 1 to 12.