CN223131990U - Frame assembly and vehicle - Google Patents

Abstract

The utility model relates to a frame structure, in particular to a frame assembly, which comprises a front frame assembly, a rear frame assembly and a middle frame assembly, wherein the front frame assembly comprises a frame right front bent beam and a frame left front bent beam which are respectively arranged at two sides, a frame front wire harness bracket is connected between the frame right front bent beam and the frame left front bent beam, the rear frame assembly comprises a frame right rear bent beam and a frame left rear bent beam which are respectively arranged at two sides, a frame rear wire harness bracket is connected between the frame right rear bent beam and the frame left rear bent beam, and the middle frame assembly is connected between the front frame assembly and the rear frame assembly. The utility model also relates to a vehicle. The frame assembly has high integration level, high space utilization rate and convenient maintenance.

Description

Frame assembly and vehicle

Technical Field

The utility model relates to a frame technology, in particular to a frame assembly and a vehicle.

Background

In the existing new energy automobile, for improving the battery and the whole automobile integration efficiency and improving the endurance of the electric automobile, the battery pack and the frame are subjected to integrated treatment, more circuits and pipelines are required to be laid on the frame, and in order to facilitate the layout of the circuits and the pipelines, a plurality of frame structures are required to be avoided, so that the manufacturing cost and the assembly difficulty of the automobile are further increased, the integration among all parts is influenced, and the light weight of the whole automobile is not facilitated.

Disclosure of utility model

The utility model aims to solve the technical problem of providing a frame assembly which is high in integration level, high in space utilization rate and convenient to maintain.

Another object of the present utility model is to provide a vehicle that is compact and lightweight.

In order to solve the technical problems, the utility model provides a frame assembly which comprises a front frame assembly, a rear frame assembly and a middle frame assembly, wherein the front frame assembly comprises a frame right front bent beam and a frame left front bent beam which are respectively arranged at two sides, a frame front wire harness bracket is connected between the frame right front bent beam and the frame left front bent beam, the rear frame assembly comprises a frame right rear bent beam and a frame left rear bent beam which are respectively arranged at two sides, a frame rear wire harness bracket is connected between the frame right rear bent beam and the frame left rear bent beam, and the middle frame assembly is connected between the front frame assembly and the rear frame assembly.

Preferably, the middle frame assembly comprises an upper cover plate, a lower supporting plate, a right longitudinal beam and a left longitudinal beam which are symmetrically arranged in the left-right direction, and a front cross beam and a rear cross beam which are symmetrically arranged in the front-rear direction, wherein the right longitudinal beam, the front cross beam, the left longitudinal beam and the rear cross beam are connected end to end, the upper cover plate and the lower supporting plate are respectively arranged on two sides of the right longitudinal beam, the left longitudinal beam, the front cross beam and the rear cross beam so as to enclose a mounting cavity, and the battery system is suitable for being arranged in the mounting cavity.

Preferably, the front beam is provided with a right front bent beam joint and a left front bent beam joint, the right front bent beam joint and the left front bent beam joint are both formed with a front opposite insertion part extending along the direction away from the front beam, the right front bent beam of the frame and the left front bent beam of the frame are both provided with a front bent section extending downwards towards the middle part of the vehicle body, and the front bent section is suitable for being inserted into the front opposite insertion part to be connected with the middle frame assembly.

More preferably, the frame assembly further comprises a front subframe assembly, the right front bent beam joint and the left front bent beam joint are both formed with a front mounting portion, one end of the front subframe assembly is connected with the middle frame assembly through the front mounting portion, and the other end of the front subframe assembly is connected with the front frame assembly.

More preferably, the frame assembly further comprises a front impact beam assembly connected to the front frame assembly by the frame right front bend beam and the frame left front bend beam.

Preferably, the front frame assembly further comprises a frame front cross beam connected between the frame right front bent beam and the frame left front bent beam, and a vehicle body controller board arranged in an included angle area formed by two adjacent sides of the frame left front bent beam and the frame front cross beam, wherein the included angle area is close to the front cross beam.

Preferably, the rear cross beam is provided with a right rear bent beam joint and a left rear bent beam joint, the right rear bent beam joint and the left rear bent beam joint are both formed with a rear opposite insertion part extending along the direction away from the rear cross beam, the right rear bent beam of the frame and the left rear bent beam of the frame are both provided with rear bent sections extending downwards towards the middle part of the vehicle body, and the rear bent sections are suitable for being inserted into the rear opposite insertion parts and are connected with the middle frame assembly.

More preferably, the frame assembly further comprises a rear subframe assembly, the right rear bent beam joint and the left rear bent beam joint are both formed with a rear mounting portion, one end of the rear subframe assembly is connected with the middle frame assembly through the rear mounting portion, and the other end of the rear subframe assembly is connected with the rear frame assembly.

More preferably, the frame assembly further comprises a rear impact beam assembly connected to the rear frame assembly by the frame right rear curved beam and the frame left rear curved beam.

Preferably, the rear frame assembly further comprises a frame rear cross member connected between the frame right rear curved beam and the frame left rear curved beam.

Preferably, the battery system comprises a battery module, the battery module is arranged in the mounting cavity, and the lower support plate is a liquid cooling plate for radiating heat of the battery module.

More preferably, the battery system further includes a control board provided in the mounting chamber, the lower tray includes a first flow path region arranged corresponding to the battery module for heat dissipation of the battery module and a second flow path region arranged corresponding to the control board for heat dissipation of the control board.

Further preferably, the first flow channel region is provided with a heating sheet, and a heat insulating sheet is provided between the first flow channel region and the second flow channel region.

Preferably, the battery module includes a high-voltage battery module and a low-voltage battery module.

More preferably, the battery system further includes a connector including a high voltage connector electrically connected with the high voltage battery module and a low voltage connector electrically connected with the low voltage battery module, and the control board is electrically connected with the high voltage connector and the low voltage connector, respectively.

Preferably, the battery module is provided with a collection system, the collection system comprises a collection plate, a connecting piece and an explosion-proof valve, the collection plate is arranged on one of two side surfaces of the battery module in the thickness direction, the connecting piece is suitable for being connected with the collection plate and each battery cell unit of the battery module so that the same electrode end of each battery cell unit is connected with the collection plate, and the explosion-proof valve is arranged on the side surface of the battery cell module in the length direction or the width direction.

In another aspect, the present utility model provides a vehicle comprising a frame assembly according to any one of the above aspects.

The frame assembly is characterized in that the frame front wire harness bracket is arranged between the frame right front bent beam and the frame left front bent beam of the front frame assembly, so that the connecting wire harnesses of the electric components mounted on the front frame assembly and the wire harnesses connected with the middle frame assembly can be orderly fixed and separated, the frame rear wire harness bracket is arranged between the frame right rear bent beam and the frame left rear bent beam of the rear frame assembly, so that the connecting wire harnesses of the driving parts mounted on the rear frame assembly and the wire harnesses connected with the middle frame assembly can be orderly fixed and separated, the trend and the layout of the wire harnesses between the frames are optimized through the frame front wire harness bracket and the frame rear wire harness bracket, unnecessary line crossing and overlapping are reduced, the space utilization rate in the frame is further improved, more mounting space is provided for the electric components, and the integration degree of the frame assembly is further improved. The front and rear frame wire harness brackets also can improve the lateral rigidity of the front frame assembly and the lateral rigidity of the rear frame assembly.

Since the above-described frame assembly has the above-described technical effects, a vehicle including the frame assembly also has the same technical effects and is not repeated here.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and together with the description serve to explain, but do not limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of one embodiment of a frame assembly of the present utility model;

FIG. 2 is a schematic structural view of one embodiment of the frame assembly of the present utility model that does not include an upper cover plate and a lower carrier;

FIG. 3 is a schematic structural view of one embodiment of a center frame assembly of the present utility model that does not include an upper cover plate and a lower plate;

FIG. 4 is a schematic structural view of one embodiment of the center frame assembly of the present utility model.

Description of the reference numerals

1. A front bumper beam assembly;

2. A front frame assembly; 2-1 of a frame right front bent beam, 2-2 of a front shock absorber upper fixing seat, 2-3 of a front upper swing arm fixing seat I, 2-4 of a vehicle body controller board, 2-5 of a front upper swing arm fixing seat II, 2-6 of a frame front beam, 2-7 of a radiator pressing plate, 2-8 of a radiator fixing bracket, 2-9 of a water pump fixing plate, 2-10 of a frame front wire harness bracket, 2-11 of a frame left front bent beam;

3. A front subframe assembly;

4. 4-1, a front opposite insertion part, 4-2, a front installation part;

5. The vehicle comprises a middle frame assembly, 5-1 parts of right longitudinal beams, 5-2 parts of front cross beams, 5-3 parts of left longitudinal beams, 5-4 parts of rear cross beams;

6. a lower support plate;

7. 7-1, a rear opposite insertion part, 7-2, a rear installation part;

8. A rear frame assembly; 8-1, right rear pull rod fixing seats, 8-2, rear upper swing arm fixing seats, 8-3, a right rear bent beam of a frame, 8-4, a rear cross beam of the frame, 8-5, a left rear pull rod fixing seat, 8-6, a left rear bent beam of the frame, 8-7, a rear wire harness bracket of the frame, and 8-8, a rear shock absorber upper fixing seat;

9. a rear subframe assembly; the rear anti-collision beam assembly is arranged on the upper cover plate;

12. 12-1, a front butt-insert part, 12-2, a front mounting part;

13. the left back bent beam joint, 13-1, the back opposite inserting part, 13-2, the back mounting part;

14. the high-voltage battery module, 15, the low-voltage battery module, 16, the control panel, 17, the low-voltage connector, 18, the high-voltage connector, 19, the acquisition board, 20, the connecting piece, 50, the installation cavity.

Detailed Description

The following detailed description of the embodiments of the utility model is provided in connection with the accompanying drawings, it being understood that the embodiments described herein are for purposes of illustration and explanation only, and the scope of the utility model is not limited to the following embodiments.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, directly connected, indirectly connected via an intermediate medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. "parallel" is simply a term used to facilitate an understanding of one skilled in the art to simplify the presentation of relationships and does not refer to an absolute, unbiased state in geometry, but rather is based on a relative or approximate understanding. Due to various factors such as actual viewing angle, manufacturing accuracy, measurement accuracy, etc., the "parallelism" as used in the present utility model may not exactly correspond to the strict definition in geometry, and mainly reflects a trend or rough characteristic of the direction relationship, for example, the term "approximate parallelism" as referred to herein may be understood to have a certain deviation from parallelism.

In the description of the present utility model, some directional terms, such as "front" refer to a direction approaching the front of an automobile, "rear" refer to a direction approaching the rear of an automobile, and "inside" refer to a direction pointing outside the automobile, and "outside" refer to a direction pointing outside the automobile, and "up, down, left, right" are all based on the azimuth or positional relationship shown in the drawings, and it should be understood that the azimuth terms are based on the azimuth or positional relationship shown in the drawings, merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In order to more clearly understand the technical solution of the present utility model, some concepts will be briefly described below. The front frame assembly refers to a frame area for carrying a front drive system and connected to front suspensions or wheels, the middle frame assembly refers to a frame area for carrying a battery system and connected to an upper vehicle body passenger compartment, and the rear frame assembly refers to a frame area for carrying a rear drive system and connected to rear suspensions or wheels.

Referring to fig. 1 to 3, the utility model provides a frame assembly, which comprises a front frame assembly 2, a middle frame assembly 5 and a rear frame assembly 8, wherein the front frame assembly 2, the middle frame assembly 5 and the rear frame assembly 8 can be respectively connected in sequence after being produced and assembled, and the segmented connecting structure can realize the expansion requirements of different wheelbases by adjusting the structures of the middle frame assembly 5 on the premise of not changing the structures of the front frame assembly 2 and the rear frame assembly 8. The front frame assembly 2 comprises two frame right front bent beams 2-1 and frame left front bent beams 2-11 which are arranged in parallel or approximately in parallel along the front-back direction of the vehicle body, and a frame front wire harness bracket 2-10 is connected to the positions of the frame right front bent beams 2-1 and the frame left front bent beams 2-11, which are close to the middle frame assembly 5, wherein the frame front wire harness bracket 2-10 can orderly fix and separate connecting wire harnesses between electric components arranged on the front frame assembly 2 and the connecting wire harnesses between the electric components and a battery system carried on the middle frame assembly 5, so that the wire harnesses are prevented from intertwining and rubbing in the running process of the vehicle, unnecessary line crossing and overlapping can be reduced, the space utilization rate of the front frame assembly 2 is improved, more installation spaces are further provided for other electric components, and the integration of the front frame assembly 2 is promoted. The rear frame assembly 8 includes two frame right rear bent beams 8-3 and frame left rear bent beams 8-6 arranged in parallel or approximately parallel in the front-rear direction of the vehicle body, and a frame rear harness bracket 8-7 is connected to the positions of the frame right rear bent beams 8-3 and the frame left rear bent beams 8-6 near the middle frame assembly 5, and the beneficial effects of the frame rear harness bracket 8-7 are similar to those of the frame front harness bracket 2-10 and are not repeated herein.

In some embodiments, the middle frame assembly 5 includes an upper cover 11, a lower support plate 6, a right longitudinal beam 5-1 and a left longitudinal beam 5-3 which are symmetrically and parallelly arranged in the left-right direction, and a front cross beam 5-2 and a rear cross beam 5-4 which are symmetrically and parallelly arranged in the front-rear direction, wherein the left and right side end surfaces of the front cross beam 5-2 are fixedly connected with the inner surfaces of the right longitudinal beam 5-1 and the left longitudinal beam 5-3 near the front end, the left and right side end surfaces of the rear cross beam 5-4 are fixedly connected with the inner surfaces of the right longitudinal beam 5-1 and the left longitudinal beam 5-3 near the rear end, and the front cross beam 5-2, the right longitudinal beam 5-1, the rear cross beam 5-4 and the left longitudinal beam 5-3 are connected end to form a square frame body, and the frame body forms a mounting cavity 50 capable of accommodating the battery system. The battery system includes, but is not limited to, a battery cell module, an electrical connection assembly for realizing electrical connection between the battery cell module and connection of the battery cell module with other external electrical components, and an electrical control system for managing the battery cell module, which can be realized based on the prior art, and are not the core of the present utility model, and are not described in detail herein. The size of the space of the installation cavity 50 can be changed by increasing or decreasing the dimensional lengths of the left side rail 5-3, the right side rail 5-1, the front cross rail 5-2 and the rear cross rail 5-4, so that various demands of users for the size and number of cell modules can be satisfied. This arrangement can be under the circumstances that does not influence front portion frame assembly 2 structure and rear portion frame assembly 8 structure, set up the structure of middle part frame assembly 5 alone and satisfy the expansion demand of different wheelbases and the size demand of battery system accommodation space. Illustratively, the lengths of the left longitudinal beam 5-3 and the right longitudinal beam 5-1 and/or the lengths of the front cross beam 5-2 and the rear cross beam 5-4 can be expanded to increase the space of the mounting cavity 50, so that a battery cell module with larger capacity can be carried, the cruising ability is enhanced, and the wheelbase, namely the distance between the front wheel and the rear wheel, can be increased by expanding the lengths of the left longitudinal beam 5-3 and the right longitudinal beam 5-1.

In addition, the inner side of the left side member 5-3 and/or the right side member 5-1 may be provided with a plurality of wire harness brackets for receiving the connection wire harness between the battery modules, the front cross member 5-2 and/or the rear cross member 5-4 may be provided with a wire harness connector fixing hole for fixing a connector, the electrical connector of the battery system in the mounting cavity 50 is adapted to be plugged with the connector, and the other socket of the connector is located outside the front cross member 5-2 and/or the rear cross member 5-4 for connecting with the wire harness connection joint on the front frame assembly 2 and the rear frame assembly 8. The connecting wire bundles of the electric components on the front frame assembly 2 and the rear frame assembly 8 are respectively integrated into wire harness connecting joints, and are in butt joint with the connector sockets on the middle frame assembly 5, so that the electric components on the front frame assembly 2 and the rear frame assembly 8 can be supplied with power, the connecting mode can facilitate maintenance of a battery system, and when the battery system fails, the battery system can be separated from external electric components only by pulling out the electric connectors in the mounting cavity 50. The fixing connection modes of the front cross beam 5-2, the right longitudinal beam 5-1, the rear cross beam 5-4 and the left longitudinal beam 5-3 can be various modes such as riveting, screwing or welding, when the riveting or screwing mode is adopted, sealing materials can be adopted for sealing and filling, and when the welding mode is adopted, a caulking agent can be adopted for sealing and filling. The front cross beam 5-2, the right longitudinal beam 5-1, the rear cross beam 5-4 and the left longitudinal beam 5-3 can be made of high-strength steel rectangular pipes, so that the front cross beam 5-2, the right longitudinal beam 5-1, the rear cross beam 5-4 and the left longitudinal beam 5-3 can be prevented from deforming when the right longitudinal beam 5-1 and the left longitudinal beam 5-3 are impacted, and the safety of a battery system in the installation cavity 50 can be ensured.

The left longitudinal beam 5-3, the right longitudinal beam 5-1, the front cross beam 5-2 and the rear cross beam 5-4 are respectively provided with a plurality of mounting holes, threaded shaft sleeves are arranged in the mounting holes, the upper end and the lower end in the threaded shaft sleeves are different in thread specification and screw depth, so that the threaded shaft sleeves can be respectively connected with the upper cover plate 11 and the lower support plate 6, and the torsional rigidity of a frame body formed by the left longitudinal beam 5-3, the right longitudinal beam 5-1, the front cross beam 5-2 and the rear cross beam 5-4 is effectively ensured. The upper cover plate 11 is positioned at the top of the mounting cavity 50, is fixedly connected with the left longitudinal beam 5-3, the right longitudinal beam 5-1, the front cross beam 5-2 and the rear cross beam 5-4 and can be in sealing connection through an adhesive or a sealing piece, the upper cover plate 11 is not required to be disassembled in the subsequent maintenance of the battery system, is maintenance-free, has a flat upper surface with the upper cover plate 11 after the mounting of the left longitudinal beam 5-3, the right longitudinal beam 5-1, the front cross beam 5-2 and the rear cross beam 5-4 is completed, is parallel to the ground level, provides a good and sufficient mounting space for the upper parts, and satisfies different applications of user expansion. The lower support plate 6 is positioned at the bottom of the mounting cavity 50 and is detachably connected with the left longitudinal beam 5-3, the right longitudinal beam 5-1, the front cross beam 5-2 and the rear cross beam 5-4, and can be in sealing connection through a sealing piece without affecting the disassembly of the lower support plate 6. It can be appreciated that, since the electric core module is connected with the lower support plate 6, the lower support plate 6 is connected with the left longitudinal beam 5-3, the right longitudinal beam 5-1, the front cross beam 5-2 and the rear cross beam 5-4 from bottom to top, the upper cover plate 11 can be designed to be in a non-detachable connection mode, maintenance is avoided, when the electric core module is maintained or replaced, the whole middle frame assembly 5 is not required to be disassembled, the electric core module can be maintained or replaced only after the lower support plate 6 is directly disassembled from the bottom of the vehicle, the operation is simple, and the maintenance cost is low.

The middle frame assembly 5 of the utility model only forms a sealed space for accommodating a battery system through two longitudinal beams (the left longitudinal beam 5-3 and the right longitudinal beam 5-1), two cross beams (the front cross beam 5-2 and the rear cross beam 5-4), the upper cover plate 11 and the lower supporting plate 6, and compared with the structure that a plurality of longitudinal beams and cross beams form a plurality of grid spaces for placing battery packs in the prior art, the middle frame assembly 5 of the utility model reduces the number of longitudinal and transverse beam structural members and integrates the battery system, thereby improving the utilization ratio of the sealed space, reducing the weight of the middle frame assembly 5 and being beneficial to the weight reduction and integration of vehicles. The battery cell module is connected with the lower supporting plate 6, and the lower supporting plate 6 is connected with the two longitudinal beams and the two transverse beams from bottom to top, so that the maintenance difficulty of the battery cell module is reduced, and the maintenance cost is reduced.

In some embodiments, the front cross member 5-2 is provided with a right front knee joint 4 and a left front knee joint 12, the right front knee joint 4 is formed with a front pair of insertion portions 4-1 and a front mounting portion 4-2 extending in a direction away from the front cross member 5-2, and the left front knee joint 12 is formed with a front pair of insertion portions 12-1 and a front mounting portion 12-2 extending in a direction away from the front cross member 5-2. Specifically, the front pair of insertion portions 4-1,12-1 and the front mounting portions 4-2,12-2 are disposed adjacently up and down, the front pair of insertion portions 4-1,12-1 extend forward and upward in a direction away from the front cross member 5-2, and the front mounting portions 4-2,12-2 extend forward in a direction away from the front cross member 5-2 and have front bent portions extending forward and upward.

In some embodiments, the frame right front bent beam 2-1 and the frame left front bent beam 2-11 each have a front bent section extending toward the vehicle body center and downward and a front straight section extending forward in the vehicle body length direction. A frame front cross beam 2-6 is arranged between the frame right front bent beam 2-1 and the frame left front bent beam 2-11, specifically, the frame front cross beam 2-6 is arranged in parallel with the front cross beam 5-2, one end of the frame front cross beam 2-6 is arranged on the inner section surface of the middle part of the front straight line section of the frame right front bent beam 2-1, and the other end is arranged on the inner section surface of the middle part of the front straight line section of the frame left front bent beam 2-11, so that the transverse rigidity of the front frame assembly 2 can be enhanced. The end part of the front bending section of the frame right front bending beam 2-1 is suitable for being inserted into the front butt inserting part 4-1 and welded and fixed with the front butt inserting part, and the end part of the front bending section of the frame left front bending beam 2-11 is suitable for being inserted into the front butt inserting part 12-1 and welded and fixed with the front butt inserting part, so that the connection between the frame right front bending beam 2-1 and the frame left front bending beam 2-11 and the middle frame assembly 5 is realized, and the front end surfaces of the front straight line sections of the connected frame right front bending beam 2-1 and frame left front bending beam 2-11 are positioned on the same vertical plane.

In some embodiments, the front frame assembly 2 further includes a body controller board 2-4, a front upper swing arm fixing base I2-3, a front upper swing arm fixing base II2-5, a front shock absorber upper fixing base 2-2, a radiator fixing bracket 2-8, a radiator pressing plate 2-7, a water pump fixing plate 2-9, and a frame front harness bracket 2-10. Specifically, the vehicle body controller board 2-4 is arranged in an included angle area formed by two adjacent surfaces of the left front bent beam 2-11 and the front cross beam 2-6 of the vehicle frame, the included angle area is close to the front cross beam 5-2, the front upper swing arm fixing seats I2-3 are arranged in two and are adjacently arranged on the lower end surfaces of the front straight line sections of the right front bent beam 2-1 and the left front bent beam 2-11 of the vehicle frame, the front upper swing arm fixing seats II2-5 are arranged in two and are adjacently arranged on the lower end surfaces of the front bent sections of the right front bent beam 2-1 and the left front bent beam 2-11 of the vehicle frame, and the front shock absorber upper fixing seats 2-2 are arranged in two and are respectively arranged on the upper end surfaces of the right front bent beam 2-1 and the left front bent beam 2-11 of the vehicle frame. The two upper fixing seats 2-2 of the front shock absorber are symmetrically arranged and extend along opposite directions, and the upper fixing seats 2-2 of the front shock absorber are positioned between the upper swing arm fixing seats I2-3 and the upper swing arm fixing seats II 2-5; the radiator fixing support 2-8 is arranged in a lower area close to the front end surfaces of the right front bent beam 2-1 and the left front bent beam 2-11 of the frame, the radiator fixing support 2-8 extends downwards to form a U-shaped structure, one end of the radiator fixing support 2-8 is connected with the lower end surface of the right front bent beam 2-1 of the frame, the other end of the radiator fixing support is connected with the lower end surface of the left front bent beam 2-11 of the frame, the radiator is suitable for being arranged in the radiator fixing support 2-8, the radiator pressing plate 2-7 is arranged above the radiator fixing support 2-8, one end of the radiator pressing plate 2-7 is connected with the inner end surface of the right front bent beam 2-1 of the frame, the other end of the radiator pressing plate is connected with the inner end surface of the left front bent beam 2-11 of the frame, so as to limit the movement of the radiator in the up-down direction, the water pump fixing plate 2-9 is arranged on the lower surface of the front bent beam 2-6 of the frame, the front bent beam 2-10 is arranged in parallel to the front beam 5-6 of the frame, one end of the front bent beam 2-10 of the frame is fixed on the lower end of the front bent beam 2-1 of the frame, the front bent section close to the upper end of the front bent section 4-1 of the front bent section is convenient to be arranged on the front end of the front bent section 2-1 of the frame assembly, and the front assembly is convenient to be arranged on the front end section of the front assembly 2-left front section of the front assembly, which is adjacent to the front end of front end section 2-front bent section 2-1.

In some embodiments, the rear cross member 5-4 is provided with a right rear curved beam joint 7 and a left rear curved beam joint 13, the right rear curved beam joint 7 is formed with a rear butt insertion portion 7-1 and a rear mounting portion 7-2 extending in a direction away from the rear cross member 5-4, and the left rear curved beam joint 13 is formed with a rear butt insertion portion 13-1 and a rear mounting portion 13-2 extending in a direction away from the rear cross member 5-4. Specifically, the rear pair of insertion portions 7-1,13-1 and the rear mounting portions 7-2,13-2 are disposed adjacently up and down, the rear pair of insertion portions 7-1,13-1 extend rearward and upward in a direction away from the rear cross member 5-4, and the rear mounting portions 7-2,13-2 extend rearward in a direction away from the rear cross member 5-4 and have rear bent portions extending rearward and upward.

In some embodiments, the rear frame assembly 8 includes two parallel or nearly parallel arranged frame right and left rear curved beams 8-3 and 8-6, each of the frame right and left rear curved beams 8-3 and 8-6 having a rear curved section extending toward the middle of the vehicle body and downward and a rear straight section extending rearward along the length of the vehicle body. A frame rear cross member 8-4 is provided between the frame right rear curved beam 8-3 and the frame left rear curved beam 8-6, specifically, the frame rear cross member 8-4 is arranged parallel or approximately parallel to the rear cross member 5-4, one end of the frame rear cross member 8-4 is provided on an inner section surface of a rear straight line section middle portion of the frame right rear curved beam 8-3, and the other end is provided on an inner section surface of a front straight line section middle portion of the frame left rear curved beam 8-6, so that the transverse rigidity of the rear frame assembly 8 can be enhanced. The end part of the rear bending section of the frame right rear bending beam 8-3 is suitable for being inserted into the rear butt inserting part 7-1 and welded and fixed with the rear butt inserting part, and the end part of the rear bending section of the frame left rear bending beam 8-6 is suitable for being inserted into the rear butt inserting part 13-1 and welded and fixed with the rear butt inserting part, so that the connection between the frame right rear bending beam 8-3 and the frame left rear bending beam 8-6 and the middle frame assembly 5 is realized, and the rear end surfaces of the rear straight line sections of the connected frame right rear bending beam 8-3 and frame left rear bending beam 8-6 are positioned on the same vertical plane.

In some embodiments, the rear frame assembly 8 further includes a right rear tie-bar mount 8-1, a left rear tie-bar mount 8-5, a rear upper swing arm mount 8-2, a rear shock absorber upper mount 8-8, and a frame rear harness bracket 8-7. Specifically, the right rear pull rod fixing seat 8-1 is connected to the lower end surface of the right rear bent beam 8-3 of the frame, which is close to the rear bent section, the left rear pull rod fixing seat 8-5 is connected to the lower end surface of the left rear bent beam 8-6 of the frame, which is close to the rear bent section, and the right rear pull rod fixing seat 8-1 and the left rear pull rod fixing seat 8-5 are symmetrically arranged; the two rear upper swing arm fixing seats 8-2 are arranged at the lower end face of the middle part of the rear straight line section of the right rear bent beam 8-3 of the frame, the two rear upper swing arm fixing seats 8-2 are symmetrically arranged at the lower end face of the middle part of the rear straight line section of the left rear bent beam 8-6 of the frame, the two rear shock absorber upper fixing seats 8-8 are respectively arranged at the upper end faces of the right rear bent beam 8-3 of the frame and the left rear bent beam 8-6 of the frame, the two rear shock absorber upper fixing seats 8-8 are symmetrically arranged and extend in opposite directions, the rear shock absorber upper fixing seats 8-8 are respectively arranged between the right rear pull rod fixing seat 8-1 and the rear upper swing arm fixing seat 8-2 and between the left rear pull rod fixing seat 8-5 and the rear upper swing arm fixing seat 8-2, the rear wire harness bracket 8-7 of the frame is arranged in parallel with the rear cross beam 5-4, one end of the rear wire harness bracket 8-7 of the frame is fixed on the inner section face of the rear bent section 7-1 of the right rear bent beam 8-3 of the frame, and the other end of the rear harness bracket 8-7 is fixed on the inner section face of the rear bent section near the rear bent section 7-1 of the frame, the rear section near the rear bent section of the left rear bent section 8-6 of the frame assembly is arranged between the rear section and the rear wire harness assembly 5-1 of the middle section near the rear section of the frame assembly.

In some embodiments, the frame assembly of the utility model further comprises a front anti-collision beam assembly 1 and a front auxiliary frame assembly 3, wherein the front anti-collision beam assembly 1 is positioned at the front part of the front frame assembly 2 and is connected with the front frame assembly 2 through a right front bent beam 2-1 and a left front bent beam 2-11 of the frame so as to be capable of meeting the longitudinal stress deformation of the front frame and absorbing part of impact force and reducing damage to related parts, the front auxiliary frame assembly 3 is positioned at the front lower part of the front frame assembly 2, a plurality of mounting components are arranged on the front auxiliary frame assembly 3 and can meet the fixed mounting of parts such as a PTC heater, a heat management water pipe, a steering gear and a front suspension lower swing arm, and one end of the front auxiliary frame assembly 3 close to the front cross beam 5-2 is connected with the middle frame assembly 5 through the front mounting parts 4-2,12-2, one end of the front auxiliary frame assembly 3 is positioned at the lower part of the bending part of the front mounting parts 4-2,12-2 and is screwed with the front mounting parts 4-2,12-2 through standard parts so as to be convenient to detach and replace, and one end far from the front bent beam 2-2 is connected with the left end face of the front bent beam 2-1 respectively.

In some embodiments, the vehicle frame assembly further comprises a rear anti-collision beam assembly 10 and a rear auxiliary frame assembly 9, wherein the rear anti-collision beam assembly 10 is positioned at the rear part of the rear vehicle frame assembly 8 and is connected with the rear vehicle frame assembly 8 through a right rear bent beam 8-3 and a left rear bent beam 8-6 of the vehicle frame so as to be capable of meeting the requirement that the rear vehicle frame longitudinally deforms under stress to absorb part of impact force and reduce damage to related parts, the rear auxiliary frame assembly 9 is positioned at the rear lower part of the rear vehicle frame assembly 8, a plurality of mounting components are arranged on the rear auxiliary frame assembly 9 so as to meet the fixed mounting of the parts such as the rear suspension assembly, a power motor, a speed reducer and the like, one end of the rear auxiliary frame assembly 9 close to the rear cross beam 5-4 is connected with the middle vehicle frame assembly 5 through the rear mounting parts 7-2,13-2, and one end of the rear auxiliary frame assembly 9 is positioned at the lower part of the bent part of the rear mounting parts 7-2,13-2 and is in threaded connection with the rear mounting parts 7-2,13-2 through standard parts so as to be convenient to detach and replace, and one end far away from the rear cross beam 5-4 is connected with the left end face of the rear bent beam 8-3 and the left bent beam 8-3 respectively.

In some embodiments, referring to fig. 4, the battery system includes a battery module, a control board 16, and a connector. The BATTERY module is disposed in the mounting cavity 50, and includes a high-voltage BATTERY module 14 and a low-voltage BATTERY module 15, a control Board 16 is a PCBA (Printed Circuit Board Assembly, printed circuit) Board integrated with at least a BMS (BATTERY MANAGEMENT SYSTEM ) module, a VCU (Vehicle Control Unit, vehicle control unit) module, a PDU (Power Distribution Unit ) module, a DCDC (DC-to-DC converter) module, and an OBC (On-Board Charger) module, and a connector includes a high-voltage connector 18 and a low-voltage connector 17, wherein the control Board 16 is electrically connected with the BATTERY module and the connector, respectively, to control the high-voltage BATTERY module 14 to supply power to the high-voltage connector 18, and the low-voltage BATTERY module 15 to supply power to the low-voltage connector 17. The battery system integrates a high-voltage battery and a low-voltage battery, can effectively improve the space utilization rate in the installation cavity 50, and the control board 16 integrated with a plurality of control modules is also arranged in the installation cavity 50, and the battery system can be connected with each control system (a thermal management system, a motor control system, a braking system, a car lamp system, a wheel speed system and the like) on the front frame assembly 2 and the rear frame assembly 8 through connectors, so that the unification of external interfaces is realized, the number of connecting pieces among all electric components is reduced, the space utilization rate of the frame assembly is improved, the weight of the frame is reduced, the connection reliability is improved, and the safety problem of a vehicle caused by harness faults is reduced.

In some embodiments, the lower plate 6 is a liquid cooled plate for heat dissipation from the battery module. The lower tray 6 includes a first flow path region adapted to be arranged corresponding to the battery module so as to be able to radiate heat from the battery module, and a second flow path region adapted to be arranged corresponding to the control board 16 so as to be able to radiate heat from the control board 16. Further, a liquid inlet connector and a liquid outlet connector can be further arranged on the side wall of the lower support plate 6 and connected with an external radiator, and the radiator is arranged on the radiator fixing support 2-8 of the front frame assembly 2, so that the arrangement range of wire harnesses and pipelines is reduced, and the liquid inlet connector and the liquid outlet connector are arranged on one side surface of the lower support plate 6 facing the front frame assembly 2. The heat sink may control the circulation of the cold and hot liquid through the flow channels in the first and second flow channel plates and exchange heat with the battery modules and the control board 16 mounted on the lower tray 6. This arrangement enables the battery system to be integrated into the center frame assembly 5 while enabling thermal management of the battery system, ensuring safe operation of the battery system.

In some embodiments, the first flow channel region is provided with a heating sheet capable of heating the battery module disposed opposite the first flow channel region, and in order to avoid heat conduction between the first flow channel region and the second flow channel region, which affects the effect of the zoned thermal management, a heat insulating sheet may be disposed between the first flow channel region and the second flow channel region.

In some embodiments, the single cells of the high-voltage battery module 14 and the low-voltage battery module 15 are prismatic cells, the prismatic cells comprise a cell body, and the thickness D of the cell body and the volume V of the cell body meet that D/v=0.0000065-0.00002 mm ^-2. The high-voltage battery module 14 may be a power battery pack, and the low-voltage battery module 15 may be a lead-acid battery.

In some embodiments, referring to fig. 4, a collection system is disposed on the battery module, where the collection system includes a collection plate 19, a connecting piece 20 and an explosion-proof valve, where the collection plate 19 is disposed on one of two sides of the battery module along the thickness direction, that is, on an upper surface or a lower surface near the collection end of the battery module, and the explosion-proof valve is disposed on one of the sides of the battery module along the length direction or the width direction, so that when a part of the batteries in the battery module are out of control, the explosion-proof valve is opened to damage the collection plate 19. The connecting piece 20 is adapted to be connected to the collecting plate 19 and each cell unit of the battery module, such that the same electrode end of each cell unit is connected to the collecting plate 19, where the collecting end is the end of the cell post of the battery module. With the above arrangement, the collecting plate 19 can collect voltages of the battery cells of all the battery modules on the same side of the battery modules.

Based on the embodiment, the frame assembly has high integration level, adopts a skateboard chassis type structure, divides the frame assembly into three modules of a front frame assembly 2, a middle frame assembly 5 and a rear frame assembly 8, and adopts a modularized frame design, so that the expansion requirements of different wheelbases can be realized by only adjusting the structure of the middle frame assembly 5 under the condition of not changing the structures of the front frame assembly 2 and the rear frame assembly 8, and the transverse and/or longitudinal expansion of the middle frame assembly 5 can be carried out according to the required capacity of the battery core, thereby facilitating the loading of the battery core with larger capacity and increasing the cruising ability; the middle frame assembly 5 integrates a battery system, the longitudinal beam and the transverse beam of the middle frame assembly 5 directly form a frame body capable of accommodating the battery system, the structure is compact, the integration level is high, the strength is high, the flatness of the upper surface of the middle frame assembly 5 is high, sufficient space can be reserved for upper parts to meet different application expansion requirements of customers, the lower supporting plate 6 of the middle frame assembly 5 is connected with the frame body for accommodating the battery system from bottom to top, the battery core module is connected with the lower supporting plate 6 from top to bottom, the structure is simple and convenient to maintain, the maintenance efficiency is high, the maintenance cost is low, the front frame assembly 2 is provided with the front frame transverse beam 2-6 and the front frame wire harness bracket 2-10, the rear frame assembly 8 is provided with the rear frame transverse beam 8-4 and the rear frame wire harness bracket 8-7, the transverse rigidity of the whole frame assembly is improved, and the phenomenon of distortion and deformation of a chassis can be effectively inhibited. The front frame wire harness bracket 2-10 and the rear frame wire harness bracket 8-7 can orderly fix and separate the connecting wire harnesses of the electric components on the front frame assembly 2 and the connecting wire harnesses of the electric components on the rear frame assembly 8, so that the space utilization rate in the frame is improved, the vehicle maintenance is facilitated, and the maintenance efficiency is improved. The power supply line beam of the battery system is integrated into an electric joint and connected with a connector, and the wire harnesses used for being connected with the battery system on the front frame assembly 2 and the rear frame assembly 8 are integrated into a wire harness connecting joint and connected with the connector, so that unnecessary wire harness materials can be effectively reduced, the overall weight of the vehicle is reduced, the weight of the vehicle is reduced, and the energy efficiency and the performance of the vehicle are improved.

In another aspect, the present utility model provides a vehicle, which includes the frame assembly provided by the above technical scheme of the present utility model, and has all the beneficial effects thereof, and will not be described herein in detail.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.

In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition.

Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.

Claims (17)

1. A frame assembly, comprising:

The front frame assembly (2) comprises a frame right front bent beam (2-1) and a frame left front bent beam (2-11) which are respectively arranged at two sides, and a frame front wire harness bracket (2-10) is connected between the frame right front bent beam (2-1) and the frame left front bent beam (2-11);

The rear frame assembly (8), the rear frame assembly (8) comprises a frame right rear bent beam (8-3) and a frame left rear bent beam (8-6) which are respectively arranged at two sides, and a frame rear wire harness bracket (8-7) is connected between the frame right rear bent beam (8-3) and the frame left rear bent beam (8-6);

And the middle frame assembly (5), wherein the middle frame assembly (5) is connected between the front frame assembly (2) and the rear frame assembly (8).

2. The frame assembly according to claim 1, wherein the middle frame assembly (5) comprises an upper cover plate (11), a lower supporting plate (6), a right longitudinal beam (5-1) and a left longitudinal beam (5-3) which are symmetrically arranged in the left-right direction, and a front transverse beam (5-2) and a rear transverse beam (5-4) which are symmetrically arranged in the front-rear direction, wherein the right longitudinal beam (5-1), the front transverse beam (5-2), the left longitudinal beam (5-3) and the rear transverse beam (5-4) are connected end to end, the upper cover plate (11) and the lower supporting plate (6) are respectively arranged on two sides of the right longitudinal beam (5-1), the left longitudinal beam (5-3), the front transverse beam (5-2) and the rear transverse beam (5-4) so as to enclose a synthetic mounting cavity (50), and the battery system is suitable for being arranged in the mounting cavity (50).

3. The frame assembly according to claim 2, wherein the front cross member (5-2) is provided with a right front bent beam joint (4) and a left front bent beam joint (12), the right front bent beam joint (4) and the left front bent beam joint (12) are each formed with a front pair of insertion portions (4-1, 12-1) extending in a direction away from the front cross member (5-2), the frame right front bent beam (2-1) and the frame left front bent beam (2-11) each have a front bent section extending downward toward a vehicle body center portion, and the front bent sections are adapted to be inserted into the front pair of insertion portions (4-1, 12-1) to be connected with the center frame assembly (5).

4. A frame assembly according to claim 3, further comprising a front subframe assembly (3), wherein the right front knee joint (4) and the left front knee joint (12) are each formed with a front mounting portion (4-2, 12-2), and wherein one end of the front subframe assembly (3) is connected to the middle frame assembly (5) through the front mounting portion (4-2, 12-2) and the other end is connected to the front frame assembly (2).

5. A frame assembly according to claim 3, further comprising a front impact beam assembly (1), said front impact beam assembly (1) being connected to said front frame assembly (2) by said frame right front bend beam (2-1) and said frame left front bend beam (2-11).

6. A frame assembly according to claim 3, wherein the front frame assembly (2) further comprises:

The front frame cross beam (2-6), the front frame cross beam (2-6) is connected between the right front frame bent beam (2-1) and the left front frame bent beam (2-11);

The vehicle body controller comprises a vehicle body controller board (2-4), wherein the vehicle body controller board (2-4) is arranged in an included angle area formed by two adjacent surfaces of a left front bent beam (2-11) of the vehicle frame and a front cross beam (2-6) of the vehicle frame, and the included angle area is close to the front cross beam (5-2).

7. The frame assembly according to claim 2, characterized in that the rear cross member (5-4) is provided with a right rear bent beam joint (7) and a left rear bent beam joint (13), the right rear bent beam joint (7) and the left rear bent beam joint (13) are each formed with a rear butt-inserting portion (7-1, 13-1) extending in a direction away from the rear cross member (5-4), the frame right rear bent beam (8-3) and the frame left rear bent beam (8-6) each have a rear bent section extending downward toward the vehicle body middle, and the rear bent sections are adapted to be inserted into the rear butt-inserting portions (7-1, 13-1) to be connected with the middle frame assembly (5).

8. The frame assembly according to claim 7, further comprising a rear subframe assembly (9), wherein the right rear bent beam joint (7) and the left rear bent beam joint (13) are each formed with a rear mounting portion (7-2, 13-2), and wherein one end of the rear subframe assembly (9) is connected to the middle frame assembly (5) through the rear mounting portion (7-2, 13-2) and the other end is connected to the rear frame assembly (8).

9. The frame assembly according to claim 7, further comprising a rear impact beam assembly (10), the rear impact beam assembly (10) being connected to the rear frame assembly (8) by the frame right rear curved beam (8-3) and the frame left rear curved beam (8-6).

10. The frame assembly according to claim 7, wherein the rear frame assembly (8) further comprises a frame rear cross member (8-4), the frame rear cross member (8-4) being connected between the frame right rear curved beam (8-3) and the frame left rear curved beam (8-6).

11. The frame assembly according to any one of claims 2 to 10, wherein the battery system comprises a battery module arranged in the mounting cavity (50), and the lower support plate (6) is a liquid cooling plate for dissipating heat from the battery module.

12. The vehicle frame assembly according to claim 11, characterized in that the battery system further comprises a control board (16), the control board (16) being provided in the mounting cavity (50), the lower plate (6) comprising a first flow channel region arranged in correspondence with the battery module for heat dissipation of the battery module and a second flow channel region arranged in correspondence with the control board (16) for heat dissipation of the control board (16).

13. The frame assembly of claim 12, wherein the first flow area is provided with a heater plate and a thermal shield is provided between the first flow area and the second flow area.

14. The frame assembly according to claim 12, wherein the battery module comprises a high voltage battery module (14) and a low voltage battery module (15).

15. The frame assembly according to claim 14, wherein the battery system further comprises a connector comprising a high voltage connector (18) and a low voltage connector (17), the high voltage connector (18) being electrically connected to the high voltage battery module (14), the low voltage connector (17) being electrically connected to the low voltage battery module (15), the control board (16) being electrically connected to the high voltage connector (18) and the low voltage connector (17), respectively.

16. The frame assembly according to claim 11, wherein the battery module is provided with a collection system, the collection system comprises a collection plate (19), a connecting piece (20) and an explosion-proof valve, the collection plate (19) is arranged on one of two side surfaces of the battery module in the thickness direction, the connecting piece (20) is suitable for being connected with the collection plate (19) and each battery cell unit of the battery module so that the same electrode end of each battery cell unit is connected with the collection plate (19), and the explosion-proof valve is arranged on the side surface of the battery module in the length direction or the width direction.

17. A vehicle comprising a frame assembly according to any one of claims 12 to 16.