CN213594077U

CN213594077U - Battery pack fixing structure and vehicle

Info

Publication number: CN213594077U
Application number: CN202022511799.4U
Authority: CN
Inventors: 韩璐; 金艳军; 张宇; 张慧卿; 王杨; 周亮
Original assignee: Beijing Hyundai Motor Co Ltd
Current assignee: Beijing Hyundai Motor Co Ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-07-02
Anticipated expiration: 2030-11-03

Abstract

The utility model relates to a battery package fixed knot constructs and vehicle, including the battery package mounting, reinforcement and nut, the battery package mounting is used for fixing on the floor longeron of vehicle, be formed with the bellied convex part down on the battery package mounting, the convex part be used for with constitute the cavity between the longeron, the reinforcement sets up in the convex part, the one end and the reinforcement of nut are connected, the other end is used for being connected with the floor longeron, be formed with first mounting hole on the convex part, be formed with the second mounting hole on the reinforcement, first mounting hole and second mounting hole all with the coaxial setting of nut, the nut be used for with the battery package on the bolted connection. Because the battery package mounting is installed on the floor longeron, and there is the nut inside, when the assembly battery package, the bolt on the battery package can pass first mounting hole and second mounting hole and be connected with the nut, realizes the installation of battery package to the permission is transformed into pure electric vehicle with the fuel vehicle of volume production. In addition, the arrangement of the reinforcing piece enables the battery pack fixing piece to have higher strength.

Description

Battery pack fixing structure and vehicle

Technical Field

The present disclosure relates to the field of vehicle technology, and in particular, to a battery pack fixing structure and a vehicle including the same.

Background

With the rapid development of the electric vehicle industry, the development and production of electric vehicles become the most important of various large vehicle manufacturers.

At present, in order to shorten the development period and reduce the development cost, vehicle manufacturers consider changing mass-produced fuel vehicles into electric vehicles, but in the design of the floor longitudinal beam of the existing fuel vehicle, because no special requirement for bearing load exists, and no special suspension fixing device exists, the problem that a battery pack cannot be directly hung below the floor longitudinal beam exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a battery package fixed knot constructs and vehicle, can install the battery package additional through this battery package fixed knot structure in floor longeron below, reforms transform the fuel vehicle of volume production into the electric motor car.

In order to achieve the above object, the present disclosure provides a battery pack fixing structure, including a battery pack fixing member, a reinforcing member and a nut, the battery pack fixing member is used for fixing on a floor longitudinal beam of a vehicle, a downward convex protruding portion is formed on the battery pack fixing member, the protruding portion is used for forming a cavity between the floor longitudinal beam, the reinforcing member is disposed in the protruding portion, one end of the nut is connected with the reinforcing member, the other end of the nut is used for connecting with the floor longitudinal beam, a first mounting hole is formed on the protruding portion, a second mounting hole is formed on the reinforcing member, the first mounting hole and the second mounting hole are coaxially disposed with the nut, and the nut is used for connecting with a bolt on the battery pack.

Optionally, the battery pack fixing piece is formed into a first groove-shaped structure with an upward opening, and includes two first side walls arranged oppositely, a first bottom wall formed between the two first side walls, and extending side walls extending upward from two ends of the first bottom wall respectively and connected with the first side walls, the extending side walls, the first bottom wall, and a part of the first side walls together enclose the convex portion, upper edges of the extending side walls are turned outward and form a flange, the flange is used for overlapping with the bottom wall of the floor stringer, the first side wall is used for overlapping with the side wall of the floor stringer, and the first mounting hole is formed in the first bottom wall.

Optionally, a plurality of convex portions are formed on the first side wall, and the convex portions are used for enclosing a first diversion cavity with the side wall of the floor longitudinal beam.

Optionally, the reinforcing member is formed into a second groove-like structure with an upward opening and comprises two second side walls arranged oppositely and a second bottom wall formed between the two second side walls, the lower surface of the second bottom wall is attached to the upper surface of the first bottom wall, the outer surface of the second side wall is attached to the inner surface of the first side wall, and the second mounting hole is formed in the second bottom wall.

Optionally, a plurality of concave portions are formed on the second side wall, and the concave portions and the first side wall enclose a second diversion cavity.

Optionally, an upward convex first reinforcing rib is formed on the first bottom wall, an upward convex second reinforcing rib is formed on the second bottom wall, the shape of the first reinforcing rib is matched with that of the second reinforcing rib, and the upper surface of the first reinforcing rib is attached to the lower surface of the second reinforcing rib.

Optionally, a first positioning hole is formed on the convex portion, a second positioning hole is formed on the reinforcing member, and the first positioning hole and the second positioning hole are coaxially arranged.

Optionally, the nut is a T-nut including a nut seat welded to the stiffener and a connecting post extending upwardly from the nut seat, the connecting post including a major diameter section and a minor diameter section, the minor diameter section for passing through and connecting with a through hole on the floor stringer.

Optionally, the battery pack fixing structure further comprises a brake oil pipe mounting bracket arranged on the battery pack fixing part, and a limiting hole for the brake oil pipe to pass through is formed in the brake oil pipe mounting bracket.

According to a second aspect of the present disclosure, there is provided a vehicle including the battery pack fixing structure as described above.

Through above-mentioned technical scheme, because the battery package mounting is installed on the floor longeron, and its inside nut that has, when the assembly battery package, the bolt on the battery package can pass first mounting hole and second mounting hole and be connected with the nut to realize the installation of battery package, with the permission with the fuel vehicle transformation of volume production for pure electric vehicle. In addition, a cavity is formed between the convex part protruding downwards and the floor longitudinal beam, and when the floor longitudinal beam is impacted, the cavity structure is higher in strength and can absorb more collision energy. And still be provided with the reinforcement in the convex part of battery package mounting, the reinforcement can further promote battery package fixed knot to construct the intensity.

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 schematic perspective view of a battery pack fixing structure according to an exemplary embodiment of the present disclosure;

fig. 2 is an exploded view of a battery pack fixing structure according to an exemplary embodiment of the present disclosure; showing the battery pack securing member, reinforcement member and T-nut;

fig. 3 is a schematic perspective view of a T-nut in a battery pack fixing structure according to an exemplary embodiment of the present disclosure;

fig. 4 is a schematic perspective view illustrating a battery pack fixing structure according to an exemplary embodiment of the present disclosure, which is coupled to a floor stringer.

Description of the reference numerals

1, fixing a battery pack; 11 a first side wall; 12 a first bottom wall;

13 extending the side wall; 14, flanging; 15 a first mounting hole;

16 a first reinforcing rib; 17 a first positioning hole; 18 an outer convex portion;

110 boss 2 reinforcement; 21 a second side wall;

22 a second bottom wall; 23 second mounting holes; 24 second reinforcing ribs;

25 a second positioning hole; 26 a recess; 3, a nut;

30, a nut seat; 301 screw holes; 31 connecting column;

310 large-diameter sections; 320 small-diameter sections;

4, braking the oil pipe mounting bracket; 40 limiting holes; 5, a battery pack;

6, longitudinal floor beams; 61 through holes.

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 stated, terms of orientation such as "up, down, left, right, front, and rear" are used and defined based on a normal driving state of the vehicle, and specifically, as shown in fig. 4, an X direction is a front-rear direction of the vehicle, wherein a side to which an arrow points is "front", and vice versa is "rear"; the Y direction is the left and right direction of the vehicle, wherein, the side pointed by the arrow is 'right', otherwise, 'left'; the Z direction is the up-down direction of the vehicle, wherein the side to which the arrow points is "down" and vice versa is "up". "inner and outer" refer to the inner and outer of the corresponding structure or component profile. The above definitions are merely provided to aid in the description of the present disclosure and should not be construed as limiting.

Referring to fig. 1 to 4, the present disclosure provides a battery pack fixing structure, including a battery pack fixing member 1, a reinforcing member 2, and a nut 3, where the battery pack fixing member 1 is configured to be fixed on a floor side member 6 of a vehicle, a protrusion 110 protruding downward is formed on the battery pack fixing member 1, the protrusion 110 is configured to form a cavity with the floor side member 6, the reinforcing member 2 is disposed in the protrusion 110, one end of the nut 3 is connected to the reinforcing member 2, the other end of the nut is configured to be connected to the floor side member 6, a first mounting hole 15 is formed on the protrusion 110, a second mounting hole 23 is formed on the reinforcing member 2, the first mounting hole 15 and the second mounting hole 23 are both disposed coaxially with the nut 3, and the nut 3 is configured to be connected to a bolt on a battery pack 5.

Through above-mentioned technical scheme, because battery package mounting 1 installs on the floor longeron, and its inside has nut 3, when assembly battery package 5, the bolt on the battery package 5 can pass first mounting hole and second mounting hole and be connected with nut 3 to realize battery package 5's installation, with the permission with the fuel vehicle transformation of volume production for pure electric vehicle. In addition, the downwardly convex portion 110 and the floor side member 6 form a cavity therebetween, and the cavity structure has higher strength and can absorb more collision energy when receiving an impact. And a reinforcing member 2 is further provided in the convex portion 110 of the battery pack securing member 1, and the reinforcing member 2 can further enhance the strength of the battery pack securing structure.

As shown in fig. 4, in the process of fixing the battery pack 5, the battery pack 5 can be screwed with the nut 3 fixed on the battery pack fixing structure by the bolt, and the detachable fixing method is also convenient for subsequent overhaul and replacement of the battery pack 5.

And, install battery package 5 through add battery package fixed knot on floor longeron 6 and construct, on the one hand, need not to set up the mounting hole that is used for fixed battery package 5 on floor longeron 6, consequently, can not destroy the original structure of floor longeron 6, change volume to the gasoline car is little, on the other hand, when battery package 5 goes wrong in fixed, need not to adjust structures such as floor longeron 6, only need to maintain battery package fixed knot structure, the design can, be convenient for maintenance personal maintenance, and simultaneously, battery package fixed knot constructs can select to install on floor longeron 6's the length direction on the optional position, be convenient for finely tune the mounted position of battery package 5.

In one embodiment provided by the present disclosure, as shown in fig. 1, 2 and 4, the battery pack fixing member 1 is formed into a first groove-shaped structure with an upward opening, and includes two first side walls 11 disposed opposite to each other, a first bottom wall 12 formed between the two first side walls 11, and extension side walls 13 extending upward from both ends of the first bottom wall 12 and connected to the first side walls 11, the extension side walls 13, the first bottom wall 12, and a part of the first side walls 11 together enclose a convex portion 110, an upper edge of the extension side walls 13 is turned outward and forms a turned edge 14, the turned edge 14 is configured to overlap with a bottom wall of the floor stringer 6, the first side walls 11 are configured to overlap with side walls of the floor stringer 6, and a first mounting hole 15 is formed on the first bottom wall 12. The strength of the groove-shaped structure is higher, when a vehicle collides, the battery pack fixing piece 1 can bear larger impact, the contact area between the battery pack fixing piece 1 and the floor longitudinal beam 6 can be increased through the flanging 14, and the stability of fixing the battery pack 5 is further improved.

In order to facilitate the electrophoretic fluid to flow into the battery pack fixing structure more easily when the vehicle is subjected to electrophoresis, as one embodiment, a plurality of outward protrusions 18 are formed on the first side wall 11, and as shown in fig. 1 and 2, the outward protrusions 18 and the side wall of the floor side member 6 form a first diversion cavity. In the electrophoresis process, the electrophoresis liquid can flow into the battery pack fixing member 1 from the side walls of the two sides of the floor longitudinal beam 6 through the first flow guide cavities, so that the contact area of the electrophoresis liquid and the inner surface of the battery pack fixing member 1 is increased, and the electrophoresis effect is enhanced.

In order to facilitate the connection between the reinforcing member 2 and the battery pack securing member 1, as one embodiment, as shown in fig. 2, the reinforcing member 2 is formed in a second groove-like structure with an upward opening, and includes two second side walls 21 disposed opposite to each other and a second bottom wall 22 formed between the two second side walls 21, a lower surface of the second bottom wall 22 is attached to an upper surface of the first bottom wall 12, an outer surface of the second side wall 21 is attached to an inner surface of the first side wall 11, and a second mounting hole 23 is formed in the second bottom wall 22. Greater area of contact between battery package mounting 1 and the reinforcement 2, reinforcement 2 can both play the additional strengthening to the first lateral wall and the first diapire of battery package mounting 1, and reinforcement 2 can support and support two second lateral walls 21, can avoid two second lateral walls 21 to be close to each other when bearing the striking, promptly, avoids battery package mounting 1 to be crowded flat, further improves battery package fixed knot and constructs's bulk strength.

Optionally, as shown in fig. 1-2, a plurality of inner concave portions 26 are formed on the second side wall 21, the inner concave portions 26 and the first side wall 11 enclose a second diversion cavity, and during electrophoresis, the electrophoresis solution can flow into the space between the battery pack fixing member 1 and the reinforcing member 2 through the plurality of second diversion cavities, and cover the inner surface of the battery pack fixing member 1 and the outer surface of the reinforcing member 2, so as to reduce electrophoresis dead corners and further enhance electrophoresis effect.

In one embodiment provided by the present disclosure, as shown in fig. 2, the first bottom wall 12 is formed with a first rib 16 protruding upward, the second bottom wall 22 is formed with a second rib 24 protruding upward, the shape of the first rib 16 is adapted to the shape of the second rib 24, and the upper surface of the first rib 16 is attached to the lower surface of the second rib 24. The first reinforcing rib 16 and the second reinforcing rib 24 are arranged to further enhance the strength of the battery pack fixing structure, and when a vehicle collides, the first bottom wall 12 and the second bottom wall 22 which are respectively provided with the first mounting hole 15 and the second mounting hole 23 are not easy to deform and can bear larger impact.

Alternatively, as shown in fig. 2, the convex portion 110 is formed with a first positioning hole 17, and the reinforcement member 2 is formed with a second positioning hole 25, and the first positioning hole 17 and the second positioning hole 25 are coaxially arranged. When welding reinforcing plate 2 and battery package mounting 1, through first locating hole 17 and second locating hole 25, can align reinforcing plate 2 and battery package mounting 1, be convenient for weld.

Alternatively, as shown in fig. 1 to 3, the nut 3 is a T-shaped nut including a nut seat 30 welded to the reinforcement member 2 and a connecting column 31 extending upward from the nut seat 30, the nut seat 30 has a screw hole 301 arranged coaxially with the first mounting hole 15 inside, and the connecting column 31 includes a large diameter section 310 and a small diameter section 320, and the small diameter section 320 is adapted to pass through a through hole 61 in the floor stringer 6 and connect with the through hole 61. In the in-process of installing to battery package mounting 1, earlier on the first lateral wall 11 overlap joint of battery package mounting 1 on the lateral wall of floor longeron 6, turn-ups 14 and floor longeron 6's diapire overlap joint, simultaneously, pass the small diameter section 320 of spliced pole 31 through floor longeron 6's through-hole 61 and fix on floor longeron 6, like this, battery package mounting 1 and floor longeron 6 between have many fixed points, can fix battery package fixed knot structure on floor longeron 6 more firmly, make battery package fixed knot structure and floor longeron 6 have better wholeness, the uniformity. On the other hand, the T-shaped nut is used as a connection point fixedly connected with the battery pack 5, the lower part of the T-shaped nut is fixedly connected with the reinforcing plate, and the upper part of the T-shaped nut is fixedly connected with the floor longitudinal beam 6.

Here, the small diameter section 320 of the nut 3 may be fixedly connected with the floor stringer 6 by welding.

Optionally, as shown in fig. 1-2, the battery pack fixing structure further includes a brake oil pipe mounting bracket 4 disposed on the battery pack fixing member 1, and a limiting hole 40 for passing through a brake oil pipe is formed on the brake oil pipe mounting bracket 4. Braking oil pipe installing support 4 can fix and accomodate braking oil pipe, makes the braking oil pipe arrange more stably in floor longeron 6 below.

It should be noted here that, in the present disclosure, as shown in fig. 3, the floor side member 6 may be a rear floor side member 6 located below the rear floor panel, the battery pack fixing structure provided by the present disclosure is a fixing structure for mounting a portion of the battery pack 5 located below the rear floor panel to the vehicle body structure, that is, the battery pack fixing structure provided by the present disclosure is used for mounting a rear portion of the battery pack 5 (a portion located below the rear floor panel), a front portion and a middle portion of the battery pack 5 may be mounted below the front floor and the middle floor in any appropriate manner, for example, the front portion of the battery pack 5 may be mounted on the front floor side member 6, the middle portion of the battery pack 5 may be mounted on the middle floor side member 6, or other fixing structures may be added to the front floor and the middle floor to mount the front portion and the middle portion of the battery pack 5.

In an embodiment that this disclosure provided, floor longeron 6 includes left floor longeron 6 and right floor longeron 6, all can install above-mentioned battery package fixed knot structure on left floor longeron 6 and the right floor longeron 6, fixes battery package 5 from the left and right sides of battery package 5, further improves the fixed effect to battery package 5, simultaneously, for whole car, battery package 5 is more even in the ascending weight distribution ground of the left and right sides of vehicle, promotes the stability of whole car.

Optionally, a plurality of the above battery pack fixing structures are also provided on the same floor longitudinal beam 6, and the battery pack 5 is fixed by the plurality of battery pack fixing structures from a plurality of directions, so that the battery pack 5 is fixed more stably.

According to a second aspect of the present disclosure, a vehicle is provided, which includes the floor side member 6 and the battery pack fixing structure as above, and has all the advantages thereof, and the details of the present disclosure are 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. The utility model provides a battery package fixed knot constructs, its characterized in that, includes battery package mounting (1), reinforcement (2) and nut (3), battery package mounting (1) is used for fixing on floor longeron (6) of vehicle, be formed with downward bellied convex part (110) on battery package mounting (1), convex part (110) be used for with constitute the cavity between floor longeron (6), reinforcement (2) set up in convex part (110), the one end of nut (3) with reinforcement (2) are connected, the other end be used for with floor longeron (6) are connected, be formed with first mounting hole (15) on convex part (110), be formed with second mounting hole (23) on reinforcement (2), first mounting hole (15) with second mounting hole (23) all with nut (3) coaxial arrangement, the nut (3) is used for being connected with a bolt on the battery pack (5).

2. The battery pack fixing structure according to claim 1, wherein the battery pack fixing member (1) is formed into a first groove-like structure with an upward opening, and includes two first side walls (11) arranged oppositely, a first bottom wall (12) formed between the two first side walls (11), and extension side walls (13) extending upward from both ends of the first bottom wall (12) and connected to the first side walls (11), respectively, the extension side walls (13), the first bottom wall (12), and a part of the first side walls (11) together define the convex portion (110), upper edges of the extension side walls (13) are turned outward and form turned edges (14), the turned edges (14) are used for overlapping with the bottom wall of the floor stringer (6), and the first side walls (11) are used for overlapping with the side walls of the floor stringer (6), the first mounting hole (15) is formed in the first bottom wall (12).

3. The battery pack fixing structure according to claim 2, wherein a plurality of outward protrusions (18) are formed on the first side wall (11), and the outward protrusions (18) are used for enclosing a first flow guide cavity with the side wall of the floor stringer (6).

4. The battery pack fixing structure according to claim 2, wherein the reinforcing member (2) is formed in a second groove-like structure that opens upward and includes two second side walls (21) that are arranged opposite to each other and a second bottom wall (22) that is formed between the two second side walls (21), a lower surface of the second bottom wall (22) is fitted to an upper surface of the first bottom wall (12), an outer surface of the second side wall (21) is fitted to an inner surface of the first side wall (11), and the second mounting hole (23) is formed in the second bottom wall (22).

5. The battery pack fixing structure according to claim 4, wherein the second side wall (21) is formed with a plurality of concave portions (26), and the concave portions (26) and the first side wall (11) define a second flow guide cavity.

6. The battery pack fixing structure according to claim 4, wherein the first bottom wall (12) is formed with a first reinforcing rib (16) protruding upward, the second bottom wall (22) is formed with a second reinforcing rib (24) protruding upward, the first reinforcing rib (16) has a shape adapted to the shape of the second reinforcing rib (24), and an upper surface of the first reinforcing rib (16) is fitted to a lower surface of the second reinforcing rib (24).

7. The battery pack fixing structure according to any one of claims 1 to 6, wherein a first positioning hole (17) is formed in the convex portion (110), a second positioning hole (25) is formed in the reinforcing member (2), and the first positioning hole (17) and the second positioning hole (25) are coaxially arranged.

8. The battery pack fixing structure according to any one of claims 1 to 6, wherein the nut (3) is a T-shaped nut including a nut seat (30) welded to the reinforcement (2) and a connecting post (31) extending upward from the nut seat (30), the connecting post (31) including a large diameter section (310) and a small diameter section (320), the small diameter section (320) being adapted to pass through a through hole (61) in the floor stringer (6) and be connected to the through hole (61).

9. The battery pack fixing structure according to any one of claims 1 to 6, further comprising a brake oil pipe mounting bracket (4) disposed on the battery pack fixing member (1), wherein a limiting hole (40) for passing a brake oil pipe is formed on the brake oil pipe mounting bracket (4).

10. A vehicle characterized by comprising the battery pack fixing structure according to any one of claims 1 to 9.