CN217835798U

CN217835798U - Front floor assembly and automobile

Info

Publication number: CN217835798U
Application number: CN202221919908.9U
Authority: CN
Inventors: 李卫钊; 梁兴贺; 董海洋; 王超功; 张超宾; 史红乐; 崔东亮
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-11-18
Anticipated expiration: 2032-07-22

Abstract

The utility model provides a front floor assembly and an automobile, the front floor assembly of the utility model comprises two front floor longitudinal beams which are respectively arranged at the left side and the right side of the automobile, and a front floor panel which is arranged on the two front floor longitudinal beams; a battery pack accommodating space positioned below the front floor panel is defined between the two front floor longitudinal beams, an adapter is connected to the front floor longitudinal beam on one side of the vehicle, and battery pack connecting parts are respectively arranged on the front floor longitudinal beam and the adapter. The utility model discloses a front floor assembly, battery package accommodation space is used for holding the battery package, be connected with the connecting piece on the front floor longeron of at least one side, the battery package of different specifications only needs to select to be connected with the battery package connecting portion on the front floor longeron, or select to be connected with the battery package connecting portion on the adaptor, just can adapt to the installation of the battery package of different specifications on front floor assembly, need not to develop many sets of moulds, the development cost is reduced, can promote the convenience that different specification size battery packages exchanged simultaneously.

Description

Front floor assembly and automobile

Technical Field

The utility model relates to an electric automobile makes technical field, in particular to front floor assembly. The utility model discloses still relate to an automobile.

Background

Along with the remarkable improvement of living standard of people, people have higher and higher requirements on the riding comfort of automobiles. In order to meet the requirements of customers and improve brand market competitiveness, automobile manufacturers continuously optimize the automobile body structure to achieve the best overall performance on the premise of controlling the lowest design cost. The electric automobile belongs to one kind of new energy automobile, and utilizes the electric energy of a battery pack as the power for automobile running. With the development of electric automobiles, the market puts higher demands on the aspects of collision, safety, endurance and the like.

Influenced by continuation of the journey mileage and battery package own battery power, for satisfying consumer's different demands of using the car, it is general, mix the car type and all can carry on the power battery of different pure electric continuation of the journey mileage, and battery package specification and size are more, divide into two kinds of types wide and narrow on the whole, installation width difference is about 70 millimeters, that is to say, at least, need to develop the preceding floor of two kinds of specifications and match with it, cabin and back floor need ten sheet metal components of being connected with preceding floor at least, need to develop two kinds of states, two kinds of continuation of the journey editions, two kinds of lower automobile bodies, a plurality of difference pieces, just also caused great work load for design and production management, make development cost higher, and the battery package of different grade type is changed inconveniently.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a front floor assembly to improve the convenience of exchanging battery packs with different sizes.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a front floor assembly comprises two front floor longitudinal beams which are respectively arranged at the left side and the right side of a vehicle, and a front floor panel which is arranged on the two front floor longitudinal beams; a battery pack accommodating space located below the front floor panel is defined between the two front floor longitudinal beams, an adapter is connected to the front floor longitudinal beam on one side of the vehicle, and battery pack connecting parts are arranged on the front floor longitudinal beam and the adapter respectively.

Further, the adapter is detachably connected to the front floor longitudinal beam.

Furthermore, a plurality of adapters are arranged on the front floor longitudinal beam and are arranged at intervals along the length direction of the front floor longitudinal beam.

Furthermore, the adaptor is coated with a paint layer, and the paint layer is formed through an electrophoresis process.

Furthermore, the adaptor comprises a box-shaped main body part and a connecting part connected with the main body part, wherein the main body part is provided with the battery pack connecting part, and the connecting part is connected with the front floor longitudinal beam.

Furthermore, the connecting part comprises a lap plate connected with the main body part, and a longitudinal beam connecting hole connected with the longitudinal beam of the front floor is formed in the lap plate.

Further, the lap plates comprise a lower lap plate lapped at the bottom of the front floor longitudinal beam and side lap plates lapped at the side parts of the front floor longitudinal beam, and the two side lap plates are oppositely arranged.

Furthermore, the battery pack connecting part on the front floor longitudinal beam comprises a first battery pack connecting hole arranged at the bottom of the front floor longitudinal beam, and the battery pack connecting part on the adapter comprises a second battery pack connecting hole arranged on the main body part.

Further, the lower lap plate is connected at the first battery pack connection hole through a fastening bolt.

Compared with the prior art, the utility model discloses following advantage has:

front floor assembly, battery package accommodation space be used for holding the battery package, and be connected with the connecting piece on the front floor longeron of at least one side, the battery package of different specifications only needs to select to be connected with the battery package connecting portion on the front floor longeron, or select to be connected with the battery package connecting portion on the adaptor, just can adapt to the installation of the battery package of different specifications on front floor assembly, need not to develop many sets of mould, development cost has been reduced, can promote the convenience that different specification size battery packages exchanged simultaneously.

In addition, the adapters are arranged along the length direction of the front floor longitudinal beam, so that the stability of the battery pack mounted on the front floor longitudinal beam can be improved.

In addition, the two side lapping plates are oppositely arranged, so that the connection strength and the stability between the adapter and the front floor longitudinal beam can be improved.

The utility model also provides a car is equipped with in this car as above preceding floor assembly, the car has the battery package assembly that sets up in battery package accommodation space, battery package assembly for the axis of vehicle towards one side biasing of vehicle and with one side preceding floor longeron is connected, the opposite side is located to the adaptor on the preceding floor longeron.

The utility model discloses a car and foretell front floor assembly are through being equipped with foretell front floor assembly, and battery package assembly biasing is arranged, and interval between two foretell floor longerons is great, can reduce the risk that battery package assembly is damaged by the collision, and the focus skew problem can be solved to the biasing arrangement between battery package assembly and the foretell floor assembly simultaneously to can satisfy drivability and axle load requirement.

Drawings

The accompanying drawings, which form a part of the present disclosure, are provided to further understand the present disclosure, and the exemplary embodiments and descriptions thereof are used to explain the present disclosure, wherein the related front and back, upper and lower, and other words are only used to represent relative positional relationships, which do not constitute an improper limitation of the present disclosure. In the drawings:

fig. 1 is a schematic view of an overall structure of a front floor assembly according to a first embodiment of the present invention;

fig. 2 is a top view of a front floor assembly according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of an adaptor according to a first embodiment of the present invention;

fig. 4 is a top view of the front floor assembly hiding the battery pack assembly according to the first embodiment of the present invention;

fig. 5 is a schematic view of a partial structure of the front floor assembly according to the first embodiment of the present invention, which conceals the battery pack assembly.

Description of the reference numerals:

1. a front floor panel; 2. a front floor stringer; 20. a first battery pack connection hole; 3. an adapter; 30. a body portion; 300. a longitudinal beam connecting hole; 301. a second battery pack connection hole; 31. a connecting portion; 311. a lower lap plate; 312. a side lap joint plate; 3120. a fixing hole; 4. a battery pack assembly; 40. a battery pack body; 41. a mounting frame; 410. mounting a plate; 4100. penetrating and installing holes; 5. the battery housing is provided with a space.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are to be construed as indicating or implying any particular importance.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

The embodiment relates to a front floor assembly, which comprises two front floor longitudinal beams 2 respectively arranged at the left side and the right side of a vehicle and a front floor panel 1 arranged on the two front floor longitudinal beams 2 in an integral structure. The battery pack accommodating space 5 positioned below the front floor panel 1 is defined between the two front floor longitudinal beams 2, the front floor longitudinal beam 2 on one side of the vehicle is connected with the adaptor 3, and the front floor longitudinal beam 2 and the adaptor 3 are respectively provided with a battery pack connecting part.

According to the structure, the battery pack accommodating space 5 is used for accommodating a battery pack, the front floor longitudinal beam 2 on one side of the vehicle is connected with the connecting piece, the battery packs of different specifications only need to be connected with the battery pack connecting part on the front floor longitudinal beam 2 or connected with the battery pack connecting part on the adapter piece 3, so that the battery packs of different specifications can be matched with the front floor assembly for installation, multiple sets of molds do not need to be developed, the development cost is reduced, and meanwhile, the convenience for exchanging the battery packs of different specifications and sizes can be improved.

Based on the above overall design, an exemplary structure of the front floor assembly of the present embodiment is as shown in fig. 1 and fig. 2, it should be noted that a width between two front floor longitudinal beams 2 may be designed according to a width of a wide battery pack, the two front floor longitudinal beams 2 can accommodate the wide battery pack, so as to accommodate a narrow battery pack, and the adaptor 3 can provide a mounting base for the narrow battery pack, so as to meet the mounting requirements of different types of battery packs on the front floor assembly. The front floor frame 2 in the present embodiment is a universal design, and will not be described in detail here.

Because the installation that the interval between two preceding floor longerons 2 satisfied the wide body battery package, when the wide body battery package need be changed for the narrow body battery package, based on the setting of adaptor 3, make the interval between adaptor 3 and the preceding floor longeron 2 of opposite side reduce, and have the battery package connecting portion on the adaptor 3, the narrow body battery package alright be connected with preceding floor longeron 2 with one side, the opposite side is connected with adaptor 3, thereby overcome the too big problem of interval between two preceding floor longerons 2, and, adaptor 3 on the preceding floor longeron 2 of one side makes the battery package whole be eccentric arrangement for front floor panel 1.

In order to facilitate the mounting and dismounting of the adapter 3, the adapter 3 is, as a preferred embodiment, detachably connected to the front floor rail 2. In addition, a plurality of adapters 3 are arranged on each side front floor longitudinal beam 2, and the adapters 3 are arranged at intervals along the length direction of the front floor longitudinal beams 2, so that the mounting points of the battery pack can be increased, and the stability of the battery pack mounted on the front floor longitudinal beams 2 can be improved.

It should be noted that, referring to fig. 2, the battery pack is the battery pack assembly 4, and the battery pack assembly 4 includes a battery pack body 40 and a mounting frame 41 surrounding the battery pack body 40. The mounting frame 41 has mounting plates 410 horizontally disposed on both sides of the battery pack body 40 in the width direction, the mounting plates 410 have insertion holes 4100 through which the mounting frame 41 is connected to the front floor side members 2, and the mounting frame 41 can be connected to the front floor side members 2 using fasteners such as bolts. Of course, the through holes 4100 may be circular holes or other polygonal holes, which are not limited herein.

In addition, in order to satisfy the mounting compatibility of the mounting frame 41, the two fitting holes 4100 are arranged at intervals, and the two fitting holes 4100 are arranged obliquely to the center line of the battery pack body 40, that is, the two fitting holes 4100 are arranged at different distances from the center line of the battery pack body 40, so that when the battery pack body 40 is mounted, a suitable mounting position can be selected from the two fitting holes 4100 for mounting, thereby improving the compatibility of the mounting frame 41.

The adaptor 3 is described below with reference to fig. 3, the adaptor 3 includes a box-shaped main portion 30, and a connecting portion 31 connected to the main portion 30, the main portion 30 is provided with a battery pack connecting portion, and the connecting portion 31 is connected to the front floor frame 2. The box-shaped main body part 30 is formed by bending a sheet metal, and the bending part of the main body part 30 adopts fillet transition so as to be convenient for processing and manufacturing. In addition, the box-like body portion 30 is strong overall, so that support and mounting can be provided for the mounting frame 41.

In this embodiment, the connecting portion 31 described above with reference to fig. 4 and 5 includes a strap connected to the main body portion 30, and the strap is provided with a side member connecting hole 300 connected to the front floor side member 2. Specifically, the lap plates include a lower lap plate 311 that overlaps the bottom of the front floor side member 2, and side lap plates 312 that overlap the side portions of the front floor side member 2, the side lap plates 312 being two oppositely disposed.

It will be appreciated that the main body portion 30 of the box has an opening, the lower strap 311 is disposed on one side of the opening of the main body portion 30, and the lower strap 311 can be considered as an extension of one of the side walls of the opening of the main body portion 30. The two side overlapping plates 312 are located at two sides of the lower overlapping plate 311, and the side overlapping plates 312 are approximately perpendicular to the side walls of the main body 30, and the connecting portion of the side overlapping plates 312 and the main body 30 is in a circular arc transition. In a preferred embodiment, the lower bridge plate 311 and the side bridge plates 312 are integrally formed with the main body 30 for easy manufacture. In this embodiment, the adaptor 3 is preferably coated with a paint layer, and the paint layer is formed through an electrophoresis process, so that the adaptor is more attractive and wear-resistant.

In order to improve the stability of the connection of the adapter 3 to the front floor stringer 2, the side lap plate 312 has a fixing hole 3120 connected to the front floor stringer 2. Since the side lap plates 312 abut against the side surfaces of the front floor frames 2 when the adapter 3 is connected to the front floor frames 2, the side lap plates 312 and the front floor frames 2 may be snap-connected or otherwise secured to each other, in addition to the manner in which the side lap plates 312 and the front floor frames 2 are bolted to each other.

In addition, the battery pack connecting portion on the front floor side member 2 includes a first battery pack connecting hole 20 provided at the bottom of the front floor side member 2, and the first battery pack connecting hole 20 is provided in plurality, and the plurality of first battery pack connecting holes 20 are arranged in the length direction of the front floor side member 2. Further, the battery pack connecting portion on the adaptor 3 includes a second battery pack connecting hole 301 provided on the main body portion 30, the second battery pack connecting hole 301 is for aligning with the through-mounting hole 4100 on the mounting frame 41 and fixing with a bolt, and the above-mentioned lower lap plate 311 is connected at the first battery pack connecting hole 20 by a fastening bolt, thereby achieving the connecting and fixing of the adaptor 3 and the front floor rail 2.

The front floor assembly of this embodiment utilizes adaptor 3 to provide the support basis for battery package assembly 4, and the installation on the front floor assembly of the battery package that can the different specifications of adaptation need not to develop many sets of moulds, has reduced development cost, can promote the convenience that different specification size battery packages exchanged simultaneously.

Example two

The present embodiment relates to an automobile, which is provided with a front floor assembly as described in the first embodiment, the automobile is provided with a battery pack assembly 4 disposed in a battery pack accommodating space 5, the battery pack assembly 4 is offset toward one side of the vehicle relative to a central axis of the vehicle and is connected with a front floor longitudinal beam 2 on one side, and an adapter 3 is disposed on the front floor longitudinal beam 2 on the other side.

It can be understood that, based on the arrangement of the adaptor 3, the center of the battery pack assembly is axially offset relative to the vehicle, therefore, the vehicle of the embodiment has the front floor assembly as described in the first embodiment, the distance between the two front floor stringers is larger, the risk of the battery pack assembly being damaged by collision can be reduced, and meanwhile, the offset arrangement between the battery pack assembly and the front floor assembly can solve the problem of center of gravity offset, so as to meet the driving performance and axle load requirements.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A front floor assembly comprises two front floor longitudinal beams (2) respectively arranged at the left side and the right side of a vehicle, and a front floor panel (1) arranged on the two front floor longitudinal beams (2); the method is characterized in that:

a battery pack accommodating space (5) located below the front floor panel (1) is defined between the two front floor longitudinal beams (2), an adapter (3) is connected to the front floor longitudinal beam (2) on one side of the vehicle, and battery pack connecting parts are respectively arranged on the front floor longitudinal beam (2) and the adapter (3).

2. The front floor assembly according to claim 1, wherein:

the adapter (3) is detachably connected to the front floor longitudinal beam (2).

3. The front floor assembly according to claim 1, wherein:

the front floor longitudinal beam (2) is provided with a plurality of adapter pieces (3), and the adapter pieces (3) are arranged at intervals along the length direction of the front floor longitudinal beam (2).

4. The front floor assembly according to claim 1, wherein:

the adapter (3) is coated with a paint layer, and the paint layer is formed through an electrophoresis process.

5. The front floor assembly according to any one of claims 1 to 4, wherein:

the adapter (3) comprises a box-shaped main body part (30) and a connecting part (31) connected with the main body part (30), the battery pack connecting part is arranged on the main body part (30), and the connecting part (31) is connected with the front floor longitudinal beam (2).

6. The front floor assembly according to claim 5, wherein:

the connecting part (31) comprises a lap plate connected with the main body part (30), and a longitudinal beam connecting hole (300) connected with the front floor longitudinal beam (2) is formed in the lap plate.

7. The front floor assembly according to claim 6, wherein:

the lap plates comprise lower lap plates (311) lapped at the bottoms of the front floor longitudinal beams (2) and side lap plates (312) lapped at the side parts of the front floor longitudinal beams (2), wherein the side lap plates (312) are oppositely arranged.

8. The front floor assembly according to claim 7, wherein:

the battery pack connecting part on the front floor longitudinal beam (2) comprises a first battery pack connecting hole (20) formed in the bottom of the front floor longitudinal beam (2), and the battery pack connecting part on the adapter (3) comprises a second battery pack connecting hole (301) formed in the main body part (30).

9. The front floor assembly according to claim 8, wherein:

the lower overlapping plate (311) is connected at the first battery pack connection hole (20) by a fastening bolt.

10. An automobile, characterized in that:

the automobile is provided with the front floor assembly of any one of claims 1 to 9; the automobile is provided with a battery pack assembly (4) arranged in a battery pack accommodating space (5), the battery pack assembly (4) is biased towards one side of the automobile relative to a central axis of the automobile and is connected with the front floor longitudinal beam (2) on one side, and the adaptor (3) is arranged on the front floor longitudinal beam (2) on the other side.