CN211685315U

CN211685315U - Electric automobile frame and electric automobile

Info

Publication number: CN211685315U
Application number: CN201922273977.1U
Authority: CN
Inventors: 鲁欢
Original assignee: Beiqi Foton Motor Co Ltd
Current assignee: Beiqi Foton Motor Co Ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-10-16
Anticipated expiration: 2029-12-16

Abstract

The utility model relates to an electric automobile frame and electric automobile, this electric automobile frame include anterior segment frame, back end frame and connect the anterior segment frame with middle section frame between the back end frame, this middle section frame is "worker" style of calligraphy structure, including the longeron, be used for being connected to the preceding enhancement diaphragm of anterior segment frame with be used for being connected to the back enhancement diaphragm of back end frame, the longeron is connected preceding enhancement diaphragm with between the back enhancement diaphragm, and include along last longeron and the lower longeron of upper and lower interval setting, go up the longeron down the longeron preceding enhancement diaphragm with the back enhancement diaphragm encloses jointly and encloses into the chamber that holds that is used for installing power battery. The space of make full use of frame constructs the middle section frame for the I-beam structure, can provide great space and hold the installation of power battery and other annex to overall structure intensity is high, and stability is strong.

Description

Electric automobile frame and electric automobile

Technical Field

The disclosure relates to the field of vehicle body structures of vehicles, in particular to an electric vehicle frame and an electric vehicle.

Background

Along with the more and more serious problem of energy shortage and environmental pollution worldwide, the development of electric automobile has received extensive attention, but electric automobile power battery still has the defect on arrangement structure at present, for example new energy commercial vehicle is generally designed and developed on traditional fuel frame, but traditional frame does not possess and is suitable for multiple power battery arrangement, and whole car frame installation space is not enough in addition, and not only the commonality is poor but also arrange the difficulty, and place power battery to frame both sides can lead to the too wide problem of whole car width again.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric automobile frame, this electric automobile frame overall structure is stable, can satisfy different power battery's installation.

In order to achieve the above purpose, the present disclosure provides an electric vehicle frame, including a front section frame, a rear section frame and a middle section frame connected between the front section frame and the rear section frame, the middle section frame is in an i-shaped structure, and includes a longitudinal beam, a front reinforcing transverse plate for being connected to the front section frame and a rear reinforcing transverse plate for being connected to the rear section frame, the longitudinal beam is connected between the front reinforcing transverse plate and the rear reinforcing transverse plate, and includes an upper longitudinal beam and a lower longitudinal beam which are arranged along an upper and lower interval, and the upper longitudinal beam, the lower longitudinal beam, the front reinforcing transverse plate and the rear reinforcing transverse plate jointly enclose a containing cavity for installing a power battery.

Optionally, the front and rear reinforcement cross plates are identical in structure and are each configured as a U-shaped structure including a main plate for connecting with the front and rear frames, an upper side plate for connecting to the upper side member, and a lower side plate for connecting to the lower side member, the main plate being located between the upper side plate and the lower side plate.

Optionally, both ends of the upper longitudinal beam are respectively lapped on the front reinforcing transverse plate and the rear reinforcing transverse plate, the upper side plates are arranged between the upper side plates and extend to the main plate in a butt joint mode, and correspondingly, both ends of the lower longitudinal beam are respectively lapped on the front reinforcing transverse plate and the rear reinforcing transverse plate, the lower side plates are arranged between the lower side plates and extend to the main plate in a butt joint mode.

Optionally, the front and rear reinforcing cross plates are fixed to the front and rear frames respectively by a first mounting plate, the front and rear frames each include two spaced frame rails, and the first mounting plate has a first mounting surface for connecting to an upper surface of the frame rails and a second mounting surface for connecting to a side surface of the main plate facing the frame rails.

Optionally, the front and rear reinforcement cross plates are further secured to the front and rear frames, respectively, by a second mounting plate having a third mounting surface for attachment to an outer side surface of the frame rail and a fourth mounting surface for attachment to a side surface of the main plate facing away from the frame rail.

Optionally, the second mounting plate is the same in structure as the first mounting plate, and both are configured in an L-shaped structure.

Optionally, the center section frame further includes a connecting reinforcement plate including a first plate surface for connecting to the front and rear reinforcement cross plates and a second plate surface for connecting to the side rails.

Optionally, the connection reinforcing plate is configured as an L-shaped plate, two side edges of the longitudinal beam and the front reinforcing transverse plate are symmetrically provided with two connection reinforcing plates about an axis of the longitudinal beam extending along the length direction, correspondingly, two side edges of the longitudinal beam and the rear reinforcing transverse plate are symmetrically provided with two connection reinforcing plates about an axis of the longitudinal beam extending along the length direction, and two openings of the connection reinforcing plates are arranged back to back.

Optionally, the opening of the connection reinforcement plate is formed as an arc-shaped opening.

According to another aspect of the present disclosure, an electric vehicle is also provided, which includes the electric vehicle frame disclosed above.

The beneficial effects of this technical scheme are: the space of make full use of frame constructs the battery frame that is used for holding power battery with the middle section frame, does not additionally occupy the other spaces of frame to can avoid arranging power battery in the both sides of frame like the current and lead to putting in order the problem of car width excess width. And the middle section frame structure is I-beam structure, can provide great space and hold the installation of power battery and other annexs to overall structure intensity is high, and stability is strong, also can play certain guard action to power battery.

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

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a structure of a middle frame of an electric vehicle frame according to an embodiment of the present disclosure;

fig. 2 is an assembly view of an electric vehicle frame and a power battery provided in another embodiment of the present disclosure.

Description of the reference numerals

1 front section frame 2 middle section frame 21 longitudinal beam

211 upper longitudinal beam 212 lower longitudinal beam 22 front reinforcement transverse plate

23 rear reinforcing transverse plate 24 is connected with the first plate surface of the reinforcing plate 241

242 second panel 3 rear section frame 4 containing cavity

5 upper side plate 7 lower side plate of main plate 6

8 first mounting surface 81 first mounting surface 82 second mounting surface

9 second mounting plate 91 third mounting surface 92 fourth mounting surface

20 power battery

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise specified, the use of directional words such as "front and rear" generally refers to the front and rear in the vehicle length direction, "left and right" refers to the left and right in the vehicle width direction, "inner and outer" refers to the outer contour of the respective components, "upper and lower" refers to the vertical direction of the vehicle up and down, i.e., upward away from the ground.

As shown in fig. 1 and 2, the present disclosure provides an electric vehicle frame including a front frame 1, a rear frame 3, and a middle frame 2 connected between the front frame 1 and the rear frame 3, the front frame 1 and the rear frame 3 each being configured as a side sill type frame, the middle section frame 2 is in an I-shaped structure and comprises a longitudinal beam 21, a front reinforcing transverse plate 22 used for being connected to the front section frame 1 and a rear reinforcing transverse plate 23 used for being connected to the rear section frame 3, the longitudinal beams 21 are connected between the front and rear

reinforcement cross plates

22 and 23, the power battery support frame comprises an upper longitudinal beam 211 and a lower longitudinal beam 212 which are arranged at intervals up and down, and the upper longitudinal beam 211, the lower longitudinal beam 212, the front reinforcing transverse plate 22 and the rear reinforcing transverse plate 23 jointly enclose an accommodating cavity 4 for installing a power battery 20.

That is, in this disclosure, make full use of the space of frame, make middle section car frame 2 into the battery frame who is used for holding power battery 20, do not additionally occupy the other spaces of frame to can avoid arranging power battery in the both sides of frame like the current and lead to the problem that whole car width is too wide. Specifically, the middle section frame 2 is constructed into an i-beam structure, which can provide a large space for accommodating the power battery 20 and other accessories, and has high overall structural strength and strong stability, and can also play a certain role in protecting the power battery 20. Simultaneously, the containing cavity is provided with openings along the left side and the right side of the frame, so that the power battery is convenient to assemble and replace.

The whole frame adopts a split structure with a front section, a middle section and a rear section, so that the independent processing and production of each section of frame are facilitated, the production period is shortened, and the heights of the front section, the middle section and the rear section of frame can be flexibly adjusted according to different vehicle types. The front section frame 1 and the rear section frame 3 are constructed into the traditional edge beam type frame, so that the manufacture and the assembly are convenient, and the front section frame, the middle section frame and the rear section frame can be assembled together in a welding or screwing mode and the like.

In the embodiment of the present disclosure, as shown in fig. 1, the front reinforcement cross plate 22 and the rear reinforcement cross plate 23 are identical in structure and are each configured as a U-shaped structure including a main plate 5 for connecting with the front section frame 1 and the rear section frame 3, an upper side plate 6 for connecting to the upper side member 211, and a lower side plate 7 for connecting to the lower side member 212, the main plate 5 being located between the upper side plate 6 and the lower side plate 7.

Firstly, the front reinforcing transverse plate 22 and the rear reinforcing transverse plate 23 are identical in structure and convenient to produce and install, and secondly, the U-shaped structure is adopted, so that the front reinforcing transverse plate can be conveniently connected with the front section frame 1 and the rear section frame 3, and meanwhile, the upper longitudinal beam 211 and the lower longitudinal beam 212 can be conveniently assembled.

Further, in order to ensure the connection strength between the parts of the middle frame 2, in the embodiment of the present disclosure, two ends of the upper longitudinal beam 211 are respectively overlapped with the upper side plates 6 of the front reinforcement transverse plate 22 and the rear reinforcement transverse plate 23 and extend to the main plate 5, and correspondingly, two ends of the lower longitudinal beam 212 are respectively overlapped with the lower side plates 7 of the front reinforcement transverse plate 22 and the rear reinforcement transverse plate 23 and extend to the main plate 5.

That is, go up between longeron 211 both ends overlap joint two last curb plates 6 that the front and back end was arranged respectively to extend to mainboard 5, guarantee the overlap area maximize, and in the same way, the longeron 212 both ends overlap joint respectively between two lower plates 7 that the front and back end was arranged and extend to mainboard 5, also guarantee the overlap area maximize, can guarantee like this longeron 21 and preceding enhancement diaphragm 22, the joint strength between the back enhancement diaphragm 23, improve the bulk strength of middle section frame 2.

In addition, in order to further enhance the overall structural strength of the center section frame, in the embodiment of the present disclosure, as shown in fig. 1 and 2, the center section frame 2 further includes a connecting reinforcement plate 24, and the connecting reinforcement plate 24 includes a first plate surface 241 for connecting to the front reinforcement cross plate 22 and the rear reinforcement cross plate 23 and a second plate surface 242 for connecting to the side member 21.

That is, on the basis that preceding enhancement diaphragm 22, back enhancement diaphragm 23 are connected with longeron 21, further supplementary enhancement connection through connecting reinforcing plate 24 again improves the connection reliability, avoids stress concentration's phenomenon to take place, guarantees the joint strength between longeron 21 and the diaphragm to can further guarantee the overall structure intensity of middle section frame 2.

Specifically, as shown in fig. 1, in the embodiment of the present disclosure, the connection reinforcing plate 24 is configured as an L-shaped plate, two side edges where the longitudinal beam 21 meets the front reinforcing transverse plate 22 are symmetrically provided with two connection reinforcing plates 24 with respect to an axis where the longitudinal beam 21 extends in the longitudinal direction, correspondingly, two side edges where the longitudinal beam 21 meets the rear reinforcing transverse plate 23 are symmetrically provided with two connection reinforcing plates 24 with respect to an axis where the longitudinal beam 21 extends in the longitudinal direction, and openings of the two connection reinforcing plates 24 are arranged to face away from each other.

In other words, as an example, as shown in fig. 1, eight connecting reinforcement plates 24 may be disposed on the middle section frame 2, two connecting reinforcement plates 24 may be disposed on the inner surface of the connecting portion of the side member 21 and each of the reinforcing cross plates to assist the connection, and two connecting reinforcement plates 24 may be disposed on the connecting portion of one end of the upper side member 211 and the front reinforcing cross plate 22. And the openings of the two adjacent connecting reinforcing plates 24 are arranged back to back, so that the connection area of the first plate surface 241 and the second plate surface 242 and the corresponding connected reinforcing transverse plates and longitudinal beams 21 can be maximized. Of course, as another example, as shown in fig. 2, the connection reinforcing plate 24 may be disposed on the outer surface of the longitudinal beam 21, and in other embodiments, the connection reinforcing plate 24 may be disposed on both the inner and outer surfaces of the longitudinal beam 21, and the disclosure is not limited thereto.

In addition, in other embodiments, the connecting reinforcing plate 24 may also be configured as a T-shaped structure, in which the upper longitudinal beam 211 is disposed at the connecting position with the front reinforcing transverse plate 22 and the rear reinforcing plate 23, and the lower longitudinal beam 212 is disposed at the connecting position with the front reinforcing transverse plate 22 and the rear reinforcing plate 23, respectively, without limiting the present disclosure.

In the embodiment of the present disclosure, as shown in fig. 1, the opening of the connection reinforcing plate 24 is formed as an arc-shaped opening, which can both form an escape space and prevent a tip portion from scratching an operator when assembling the power battery 20.

In order to ensure the connection strength between the middle frame 2 and the front frame 1 and the rear frame 3, in the embodiment of the present disclosure, as shown in fig. 2, the front reinforcement cross plate 22 and the rear reinforcement cross plate 23 are respectively fixed to the front frame 1 and the rear frame 3 through a first mounting plate 8, the front frame 1 and the rear frame 3 each include two frame rails 10 arranged at intervals, and the first mounting plate 8 has a first mounting surface 81 for connecting to an upper surface of the frame rail 10 and a second mounting surface 82 for connecting to a side surface of the main plate 5 facing the frame rail 10.

Further, in the embodiment of the present disclosure, the front reinforcement cross plate 22 and the rear reinforcement cross plate 23 are further fixed to the front frame 1 and the rear frame 3 respectively through a second mounting plate 9, the second mounting plate 9 has a third mounting surface 91 for connecting to the outer side surface of the frame side member 10 and a fourth mounting surface 92 for connecting to a side surface of the main plate 5 facing away from the frame side member 10, and it should be noted that a side surface of the main plate 5 facing away from the frame side member 10 is an inner side surface facing the power battery 20.

The second mounting plate 9 and the first mounting plate 8 are identical in structure and are all in L-shaped structures, and manufacturing and assembling are convenient. Specifically, as shown in fig. 2, a first mounting plate 8 and a second mounting plate 9 are arranged at the joint of each frame longitudinal beam 10 and the main plate 5, and the arrangement of the two mounting plates forms a double connection, so that the connection reliability of the front section frame 1, the middle section frame 2 and the rear section frame 3 is ensured.

According to a second aspect of the present disclosure, an electric vehicle is provided, which includes the electric vehicle frame as described above, and has all the advantages thereof, and the present disclosure is not repeated herein.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. An electric automobile frame is characterized by comprising a front section frame (1), a rear section frame (3) and a middle section frame (2) connected between the front section frame (1) and the rear section frame (3), the middle section frame (2) is of an I-shaped structure and comprises a longitudinal beam (21), a front reinforcing transverse plate (22) used for being connected to the front section frame (1) and a rear reinforcing transverse plate (23) used for being connected to the rear section frame (3), the longitudinal beam (21) is connected between the front reinforcing transverse plate (22) and the rear reinforcing transverse plate (23), and comprises an upper longitudinal beam (211) and a lower longitudinal beam (212) which are arranged along the upper and lower sides at intervals, the upper longitudinal beam (211), the lower longitudinal beam (212), the front reinforcing transverse plate (22) and the rear reinforcing transverse plate (23) jointly enclose an accommodating cavity (4) for mounting a power battery (20).

2. The electric vehicle frame according to claim 1, characterized in that the front reinforcement cross plate (22) and the rear reinforcement cross plate (23) are of the same structure and are each configured as a U-shaped structure including a main plate (5) for connecting with the front section frame (1) and the rear section frame (3), an upper side plate (6) for connecting to the upper side member (211), and a lower side plate (7) for connecting to the lower side member (212), the main plate (5) being located between the upper side plate (6) and the lower side plate (7).

3. The electric vehicle frame according to claim 2, characterized in that two ends of the upper longitudinal beam (211) are respectively lapped between the upper side plates (6) of the front and rear reinforcement transverse plates (22, 23) and extend to abut against the main plate (5), and correspondingly two ends of the lower longitudinal beam (212) are respectively lapped between the lower side plates (7) of the front and rear reinforcement transverse plates (22, 23) and extend to abut against the main plate (5).

4. The electric vehicle frame according to claim 2, characterized in that the front reinforcement cross plate (22) and the rear reinforcement cross plate (23) are fixed to the front section frame (1) and the rear section frame (3) respectively by a first mounting plate (8), the front section frame (1) and the rear section frame (3) each comprise two frame rails (10) arranged at intervals, and the first mounting plate (8) has a first mounting surface (81) for connecting to an upper surface of the frame rails (10) and a second mounting surface (82) for connecting to a side surface of the main plate (5) facing the frame rails (10).

5. The electric vehicle frame according to claim 4, characterized in that the front reinforcement cross plate (22) and the rear reinforcement cross plate (23) are further fixed to the front section frame (1) and the rear section frame (3), respectively, by a second mounting plate (9), the second mounting plate (9) having a third mounting face (91) for connection to an outer side face of the frame side member (10) and a fourth mounting face (92) for connection to a side face of the main plate (5) facing away from the frame side member (10).

6. The electric vehicle frame according to claim 5, characterized in that the second mounting plate (9) is of the same construction as the first mounting plate (8), both configured in an L-shaped configuration.

7. The electric vehicle frame according to any one of claims 1 to 6, characterized in that the mid-section frame (2) further comprises a connecting reinforcement plate (24), and the connecting reinforcement plate (24) comprises a first plate surface (241) for connecting to the front reinforcement cross plate (22) and the rear reinforcement cross plate (23) and a second plate surface (242) for connecting to the side member (21).

8. The electric vehicle frame according to claim 7, wherein the connecting reinforcement plate (24) is configured as an L-shaped plate, two side edges where the longitudinal beam (21) and the front reinforcing transverse plate (22) meet are symmetrically provided with two connecting reinforcement plates (24) with respect to an axis where the longitudinal beam (21) extends in the length direction, and correspondingly, two side edges where the longitudinal beam (21) and the rear reinforcing transverse plate (23) meet are symmetrically provided with two connecting reinforcement plates (24) with respect to an axis where the longitudinal beam (21) extends in the length direction, and openings of the two connecting reinforcement plates (24) are arranged back to back.

9. The electric vehicle frame according to claim 8, characterized in that the opening of the connection reinforcement plate (24) is formed as an arc-shaped opening.

10. An electric vehicle comprising an electric vehicle frame according to any one of claims 1 to 9.