CN216929950U

CN216929950U - All-aluminum cold-connection back-to-back battery frame

Info

Publication number: CN216929950U
Application number: CN202122965157.6U
Authority: CN
Inventors: 宿佳敏; 张剑峰; 田永义; 孙营; 舒增聪; 徐仕
Original assignee: Suzhou Autek Auto Technology Co ltd
Current assignee: Suzhou Autek Auto Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-07-08
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses an all-aluminum cold-connected back-to-back battery frame, which comprises a plurality of frame main bodies which are stacked up and down and a top cover frame which covers the surface of the frame main body at the top layer, the frame main body comprises a lower frame component, an upper frame component corresponding to the lower frame component, and a plurality of first supporting beams which are arranged between the upper frame component and the lower frame component and are arranged longitudinally, the lower frame component comprises a lower frame arranged on the opposite side and a lower side frame arranged on the other opposite side, a lower corner connecting piece is arranged between the adjacent lower frames, a plurality of second supporting beams arranged transversely are arranged between the opposite lower frames, go up the frame subassembly and include one relative frame, another relative frame of going up that the limit set up, be equipped with between adjacent frame of going up and the last side frame, be equipped with fore-and-aft boundary beam between corresponding last corner joint spare and the lower corner joint spare. The utility model realizes the installation of the battery frame by adopting a cold connection mode, and the battery frame has light weight, simple connection process and reduced cost.

Description

All-aluminum cold-connection back-to-back battery frame

Technical Field

The utility model belongs to the technical field of battery application, and particularly relates to an all-aluminum cold-connection back-to-back battery frame.

Background

With the continuous development of the new energy automobile industry, due to the space requirement, part of the power batteries are arranged behind a cab and in front of a cargo compartment and cross over a vehicle frame, the batteries lean against the vehicle frame, and the power batteries are fixed in a battery frame, so that the battery frame is fixed on the vehicle frame in a back-to-back manner. The existing battery frame is of a steel plate structure and is formed by welding steel plates with the thickness of 5-6mm, light weight design is not facilitated, the performance of the whole vehicle is influenced, and meanwhile, local deformation can occur during welding of the battery frame, so that the assembly process and the strength of parts are influenced.

Disclosure of Invention

The utility model aims to solve the technical problems and provides an all-aluminum cold-connection back-to-back type battery frame, so that the battery frame is installed in a cold connection mode, the battery frame is light in weight, the connection process is simple, and the cost is reduced. In order to achieve the purpose, the technical scheme of the utility model is as follows:

the all-aluminum cold-connected back-to-back battery frame comprises a plurality of frame main bodies which are stacked up and down and a top cover frame which covers the surface of the frame main body at the top layer, the frame main body comprises a lower frame component, an upper frame component corresponding to the lower frame component, and a plurality of first supporting beams which are arranged between the upper frame component and the lower frame component in the longitudinal direction, the lower frame component comprises a lower frame arranged on the opposite side and a lower side frame arranged on the other opposite side, a lower corner connecting piece is arranged between the adjacent lower frames, a plurality of second supporting beams arranged transversely are arranged between the opposite lower frames, the upper frame component comprises an upper frame arranged on the opposite side and an upper side frame arranged on the other opposite side, an upper corner connecting piece is arranged between the adjacent upper frame and the upper side frame, longitudinal boundary beams are arranged between the corresponding upper corner connecting pieces and the corresponding lower corner connecting pieces, and the upper frame and the lower frame between the adjacent frame main bodies are fixedly penetrated through a plurality of bolts.

Specifically, a group of corner pieces which are arranged at intervals and used for being mounted on a frame are arranged on the side edge of the lower frame of the frame main body positioned on the bottom layer.

Specifically, first supporting beam and second supporting beam all include the T type portion at supporting part, butt joint supporting part both ends, and it is fixed that T type portion inserts in the inner chamber of supporting part and through bolted connection, the both ends of T type portion are equipped with the hole site that is used for fixed frame and lower frame or is used for fixed relative lower frame respectively.

Specifically, each of the lower corner connecting piece and the upper corner connecting piece comprises a right-angle piece, a plurality of first mounting parts arranged at the two horizontal ends of the right-angle piece in the vertical direction relative to the right-angle piece, and a plurality of second mounting parts arranged at one longitudinal end of the right-angle piece; the first installation department is equipped with a plurality of first connecting holes that are used for connecting lower frame subassembly or upper ledge subassembly, the second installation department is equipped with a plurality of second connecting holes that are used for connecting the boundary beam.

Specifically, the top cover frame comprises a top frame arranged on the opposite side and a top side frame connected with the two ends of the top frame, a plurality of third supporting beams arranged at intervals are arranged between the opposite top frames, and the third supporting beams and the first supporting beams are of the same structure.

Specifically, a right-angle plate is arranged at the joint of the top frame and the top side frame.

Specifically, the upper side frame and the lower side frame between the adjacent frame bodies are fixed through a plurality of bolts.

Specifically, the upper frame and the top frame of the frame main body on the top layer are fixed through a plurality of bolts in a penetrating mode.

Compared with the prior art, the all-aluminum cold-connection back-to-back battery frame has the beneficial effects that:

the stacked frame main bodies are arranged, so that the plurality of power batteries are stacked, leaned and fixed, the connecting structure is stable, the cold connection is adopted to replace the traditional welding operation, and the precision of the whole frame assembly is ensured; the installation mode is simple, the installation time is shortened, and the assembly efficiency is improved; go up corner connecting piece and corner connecting piece down and make upper ledge subassembly and lower frame subassembly support firm, reach certain joint strength, guarantee the security that power battery placed.

Drawings

FIG. 1 is a schematic view of a power battery assembly according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an all-aluminum cold-connected back-to-back battery frame according to the present embodiment;

FIG. 3 is a schematic structural diagram of the frame body according to the present embodiment;

FIG. 4 is a schematic structural view of an upper corner connector or a lower corner connector according to the present embodiment;

FIG. 5 is a schematic structural view of a first support beam according to the present embodiment;

FIG. 6 is a schematic cross-sectional view of the first support beam of the present embodiment;

FIG. 7 is a schematic view of the top cover frame structure of the present embodiment;

the figures in the drawings represent:

the frame comprises a frame body 1, a lower frame assembly 11, an upper frame assembly 12, a first supporting beam 13, a second supporting beam 14, a side beam 15, a top cover frame 2, a top frame 21, a top side frame 22, a third supporting beam 23, a right-angle plate 24, a lower frame 3, a lower side frame 31, a lower corner connecting piece 32, a corner piece 33, an upper frame 4, an upper side frame 41, an upper corner connecting piece 42, a supporting part 5, a 51T-shaped part, a hole site 52, a right-angle piece 6, a first mounting part 61, a second mounting part 62, a connecting cavity 63, a longitudinal partition plate 64, a transverse partition plate 65, a first connecting hole 66 and a second connecting hole 67.

Detailed Description

The technical solutions in the embodiments of the present invention are described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.

Example (b):

referring to fig. 1 to 7, the present embodiment is an all aluminum cold-junction back-to-back type battery frame, which includes a plurality of frame bodies 1 stacked up and down and a top cover frame 2 covering the surface of the frame body 1 on the top layer.

The frame body 1 includes a lower frame assembly 11, an upper frame assembly 12 corresponding to the lower frame assembly 11, and a plurality of first support beams 13 disposed longitudinally between the upper frame assembly 11 and the lower frame assembly 12.

The lower frame assembly 11 comprises a lower frame 3 arranged on the opposite side and a lower frame 31 arranged on the other opposite side, a lower corner connecting piece 32 is arranged between the adjacent lower frames 3 and the lower frame 31, and a plurality of second supporting beams 14 arranged transversely are arranged between the opposite lower frames 3.

The upper frame assembly 12 includes an upper frame 4 disposed on one side and an upper side frame 41 disposed on the other side, an upper corner connecting member 42 is disposed between the adjacent upper frame 4 and the upper side frame 41, and a longitudinal edge beam 15 is disposed between the corresponding upper corner connecting member 42 and the corresponding lower corner connecting member 32.

The lower frame 3 side of the frame body 1 at the bottom layer is provided with a group of corner pieces 33 which are arranged at intervals and are used for being installed on a vehicle frame.

The first supporting beam 13 and the second supporting beam 14 have the same structure and respectively comprise a supporting portion 5 and T-shaped portions 51 butted with two ends of the supporting portion 5, the T-shaped portions 51 are inserted into an inner cavity of the supporting portion 5 and are fixedly connected through bolts, and two ends of each T-shaped portion 51 are respectively provided with hole sites 52 used for fixing the upper frame 4 and the lower frame 3 or fixing the opposite lower frame 3.

Lower corner connecting piece 32 and last corner connecting piece 42 are the same structure, all include right angle spare 6, locate a plurality of first installation departments 61 on the relative vertical direction in the horizontal both ends of right angle spare 6, locate a plurality of second installation departments 62 of the vertical one end of right angle spare 6, are equipped with the outside connection chamber 63 of opening in the right angle spare 6, are equipped with the longitudinal baffle 64 in connecting the chamber 63, are equipped with the cross slab 65 on the longitudinal baffle 64 for add the joint strength of strong right angle spare 6. The first mounting portion 61 is provided with a plurality of first coupling holes 66 for coupling the lower frame assembly 11 or the upper frame assembly 12, and the second mounting portion 62 is provided with a plurality of second coupling holes 67 for coupling the side frame 15.

The first installation parts 61 at two ends of the right-angle part 6 of the lower corner connecting piece 32 are respectively connected with the lower side frame 3 and the lower side frame 31, the first installation parts 61 at two ends of the right-angle part 6 of the upper corner connecting piece 42 are respectively connected with the upper side frame 4 and the upper side frame 41, and the second installation parts 62 of the adjacent upper corner connecting piece 42 and the second installation parts 62 of the lower corner connecting piece 32 are respectively connected with two ends of the boundary beam 15.

The top cover frame 2 comprises a top frame 21 arranged on opposite sides and a top frame 22 connected with two ends of the top frame 21, a plurality of third supporting beams 23 arranged at intervals are arranged between the opposite top frames 21, and the third supporting beams 23 and the first supporting beams 13 are in the same structure. And a right-angle plate 24 is arranged at the joint of the top frame 21 and the top frame 22, and the right-angle plate 24 is used for fixing the top frame 21 and the top frame 22 through bolts.

The upper frame 4 and the lower frame 3 between the adjacent frame bodies 1 are fixed by a plurality of bolts, and the upper frame 41 and the lower frame 31 between the adjacent frame bodies 1 are fixed by a plurality of bolts. The upper frame 4 and the top frame 21 of the top frame body 1 are fixed by a plurality of bolts, and the upper frame 41 and the top frame 22 of the top frame body 1 are fixed by a plurality of bolts.

When the present embodiment is applied, power batteries are placed in the frame main bodies 1 of the respective layers, and are connected and fixed after being stacked, and are covered and limited by the top cover frame 2, and the whole frame main body is fixed on a vehicle frame (not shown in the figure) through the corner pieces 33.

In the embodiment, the stacked frame main bodies 1 are arranged, so that the plurality of power batteries are stacked, leaned and fixed, the connecting structure is stable, the cold connection is adopted to replace the traditional welding operation, and the precision of the whole frame assembly is ensured; the installation mode is simple, the installation time is shortened, and the assembly efficiency is improved; the upper corner connector 42 and the lower corner connector 32 enable the upper frame assembly 12 and the lower frame assembly 11 to be firmly supported, certain connection strength is achieved, and the placement safety of the power battery is guaranteed.

What has been described above are merely some of the embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims

1. Full aluminium cold junction back of body formula battery frame, its characterized in that: comprises a plurality of frame main bodies which are stacked up and down and a top cover frame which covers the surface of the frame main body of the top layer, the frame main body comprises a lower frame component, an upper frame component corresponding to the lower frame component, and a plurality of first supporting beams which are arranged between the upper frame component and the lower frame component and are arranged longitudinally, the lower frame component comprises a lower frame arranged on the opposite side and a lower side frame arranged on the other opposite side, a lower corner connecting piece is arranged between the adjacent lower frames, a plurality of second supporting beams arranged transversely are arranged between the opposite lower frames, the upper frame component comprises an upper frame arranged on the opposite side and an upper side frame arranged on the other opposite side, an upper corner connecting piece is arranged between the adjacent upper frame and the upper side frame, longitudinal boundary beams are arranged between the corresponding upper corner connecting pieces and the corresponding lower corner connecting pieces, and the upper frame and the lower frame between the adjacent frame main bodies are fixedly penetrated through a plurality of bolts.

2. The all aluminum cold connect back-to-back battery frame of claim 1, wherein: and a group of corner pieces which are arranged at intervals and are used for being installed on the frame are arranged on the side edge of the lower frame of the frame main body positioned on the bottom layer.

3. The all aluminum cold connect back-to-back battery frame of claim 1, wherein: first supporting beam and second supporting beam all include the T type portion at supporting part, butt joint supporting part both ends, and it is fixed that T type portion inserts in the inner chamber of supporting part and through bolted connection, the both ends of T type portion are equipped with the hole site that is used for fixed frame and lower frame or is used for fixed relative lower frame respectively.

4. The all aluminum cold connect back-to-back battery frame of claim 1, wherein: the lower corner connecting piece and the upper corner connecting piece respectively comprise a right-angle piece, a plurality of first mounting parts arranged at the two horizontal ends of the right-angle piece in the opposite vertical direction, and a plurality of second mounting parts arranged at one longitudinal end of the right-angle piece; the first installation department is equipped with a plurality of first connecting holes that are used for connecting lower frame subassembly or upper ledge subassembly, the second installation department is equipped with a plurality of second connecting holes that are used for connecting the boundary beam.

5. The all aluminum cold connect back-to-back battery frame of claim 1, wherein: the top cover frame comprises a top frame arranged opposite to the edge and top side frames connected with two ends of the top frame, a plurality of third supporting beams arranged at intervals are arranged between the opposite top frames, and the third supporting beams and the first supporting beams are of the same structure.

6. The all aluminum cold connect back-to-back battery frame of claim 5, wherein: and a right-angle plate is arranged at the joint of the top frame and the top side frame.

7. The all aluminum cold connect back-to-back battery frame of claim 1, wherein: the upper side frame and the lower side frame between the adjacent frame main bodies are fixedly penetrated through a plurality of bolts.

8. The all aluminum cold connect back-to-back battery frame of claim 5, wherein: the upper frame and the top frame of the frame main body of the top layer are fixedly penetrated through a plurality of bolts.