Automobile aluminum alloy profile battery case

Abstract

The utility model relates to the field of battery shells, in particular to an automobile aluminum alloy profile battery shell which comprises an aluminum alloy lower shell profile, an aluminum alloy upper shell profile, a front plug and a rear plug, the aluminum alloy lower shell profile comprises a first-stage concave outer protection profile plate and a first-stage concave inner profile plate, an aluminum alloy upper shell profile used for being matched with the aluminum alloy lower shell profile is arranged above the aluminum alloy lower shell profile, and the aluminum alloy upper shell profile comprises a second-stage concave outer protection profile plate and a second-stage concave inner profile plate. A front plug and a rear plug are arranged at the front end and the rear end of the aluminum alloy upper shell profile and the front end and the rear end of the aluminum alloy lower shell profile respectively, and a battery bin is formed among the aluminum alloy lower shell profile, the aluminum alloy upper shell profile, the front plug and the rear plug. The first-stage concave outer protection profile plate and the second-stage concave outer protection profile plate are combined, so that when an automobile is subjected to external collision, the first-stage concave outer protection profile plate and the second-stage concave outer protection profile plate can powerfully protect the automobile from collision.

Description

TECHNICAL FIELD

[0001] The utility model relates to the battery shell field especially relates to the automobile aluminum alloy section material battery shell. BACKGROUND

[0002] The new energy automobile battery is one of the core components of the new energy automobile, it is responsible for providing the required energy for the electric vehicle, and directly influences the endurance mileage and driving safety of the vehicle, when the new energy automobile battery pack is installed in the new energy automobile, in order to guarantee the safety of the battery pack, the battery pack is usually installed with the shell of different materials.

[0003] The existing new energy automobile battery shell is usually single-layer stamping design, but this single-layer stamping design makes the automobile when encountering external impact, the single-layer battery shell is easy to cause deformation due to the lack of buffer space, thereby extruding the battery pack in the battery shell, so that the structure of the battery pack is deformed and is easy to cause spontaneous combustion.

[0004] Therefore, in view of the above problems that the structure of the battery pack is deformed and is easy to cause spontaneous combustion, an automobile aluminum alloy section material battery shell can be designed, the aluminum alloy section material is stamped into an inner shell and an outer shell, the outer shell is sleeved on the outer side of the inner shell, and the inner shell and the outer shell are welded together through a connecting strip, so that a buffer layer is formed between the inner shell and the outer shell, so that when the automobile is impacted, the battery pack has a certain buffer space to avoid deformation of the structure of the battery pack. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem that the existing new energy automobile battery shell is usually single-layer stamping design, but this single-layer stamping design makes the automobile when encountering external impact, the single-layer battery shell is easy to cause deformation due to the lack of buffer space, thereby extruding the battery pack in the battery shell, so that the structure of the battery pack is deformed and is easy to cause spontaneous combustion.

[0006] The technical scheme of the utility model is: the automobile aluminum alloy section material battery shell, including aluminum alloy lower shell section material and aluminum alloy upper shell section material, front plugging and rear plugging, the aluminum alloy lower shell section material includes a first concave outer protective section material plate and a first concave inner section material plate, the upper side of the aluminum alloy lower shell section material is provided with the aluminum alloy upper shell section material used for matching the aluminum alloy lower shell section material, the aluminum alloy upper shell section material includes a second concave outer protective section material plate and a second concave inner section material plate, the front end and the rear end of the aluminum alloy upper shell section material and the aluminum alloy lower shell section material are respectively provided with the front plugging and the rear plugging, the aluminum alloy lower shell section material, the aluminum alloy upper shell section material, the front plugging and the rear plugging are provided with the battery compartment.

[0007] Preferably, compared with the battery shell on the market, the single-layer battery shell is easy to deform due to lack of buffer space when the automobile is subjected to external impact. The application is combined with the aluminum alloy lower shell profile, the aluminum alloy upper shell profile, the front blocking and the rear blocking, so that the first concave outer protection profile plate and the second concave outer protection profile plate can form strong protection against the impact on the automobile, avoiding direct extrusion of the battery pack in the battery compartment caused by external impact. The combination of the first concave inner profile plate and the second concave inner profile plate can form secondary protection for the battery pack, avoiding the extrusion of the deformed part of the first concave outer protection profile plate and the second concave outer protection profile plate to the battery pack in the battery compartment. Through the double protection of the inside and outside, the probability of self-ignition of the automobile battery due to impact is effectively reduced.

[0008] As a preferred, the first concave inner profile plate is located inside the first concave outer protection profile plate, a first buffer layer is arranged between the first concave outer protection profile plate and the first concave inner profile plate, and a first horseshoe is welded and installed below the two side corners of the first concave inner profile plate. The lower corner of the first concave outer protection profile plate is punched to form a first support groove for accommodating the first horseshoe.

[0009] As a preferred, the first buffer layer is provided with a first connecting strip at the two side edges, the first connecting strip is fixedly connected between the first concave outer protection profile plate and the first concave inner profile plate, and the upper end of the first connecting strip is provided with a clamping insertion strip.

[0010] As a preferred, the second concave inner profile plate is located inside the second concave outer protection profile plate, a second buffer layer is arranged between the second concave outer protection profile plate and the second concave inner profile plate, a second horseshoe is welded and installed above the two side corners of the first concave inner profile plate, and the upper corner of the second concave outer protection profile plate is punched to form a second support groove for accommodating the second horseshoe.

[0011] As a preferred, the second buffer layer is provided with a second connecting strip at the two side edges, the second connecting strip is fixedly connected between the second concave outer protection profile plate and the second concave inner profile plate, and the lower end of the second connecting strip is provided with a clamping insertion slot corresponding to the clamping insertion strip.

[0012] As a preferred, the outer side of the first support groove is symmetrically provided with two groups of first positioning strips, and the outer side of the second support groove is symmetrically provided with two groups of second positioning strips.

[0013] As a preferred, one side of the front blocking and the rear blocking is provided with an installation insertion ring corresponding to the first buffer layer and the second buffer layer, and a cable hole is formed through the surface of the front blocking.

[0014] The application has the following beneficial effects:

[0015] 1、The application is combined with aluminum alloy lower shell profile, aluminum alloy upper shell profile, front sealing and rear sealing, so that when the automobile is hit by external impact, the first concave outer protective profile plate and the second concave outer protective profile plate can form strong protection against the impact on the automobile, avoiding direct extrusion of the battery pack in the battery compartment, the first concave inner profile plate and the second concave inner profile plate are combined, so that the first concave inner profile plate and the second concave inner profile plate can form secondary protection for the battery pack, avoiding extrusion of the first concave outer protective profile plate and the second concave outer protective profile plate into the battery pack in the battery compartment, through this double protection of inside and outside, effectively reducing the probability of self-ignition of the automobile battery. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 The overall structure of the battery shell of the utility model is shown;

[0017] Fig. 2 The aluminum alloy lower shell profile structure of the battery shell of the utility model is shown;

[0018] Fig. 3 The aluminum alloy upper shell profile structure of the battery shell of the utility model is shown;

[0019] Fig. 4 The front sealing and rear sealing structure of the battery shell of the utility model is shown.

[0020] Mark 1, aluminum alloy lower shell profile; 2, aluminum alloy upper shell profile; 3, front sealing; 4, rear sealing; 5, battery compartment; 6, first concave outer protective profile plate; 7, first concave inner profile plate; 8, first buffer layer; 9, first support groove; 10, first horseshoe; 11, first connecting strip; 12, clamping insertion strip; 13, first positioning strip; 14, second concave outer protective profile plate; 15, second concave inner profile plate; 16, second buffer layer; 17, second support groove; 18, second horseshoe; 19, second connecting strip; 20, clamping insertion slot; 21, second positioning strip; 22, mounting insertion ring; 23, cable hole. DETAILED DESCRIPTION

[0021] The utility model will be further described below in combination with the drawings and examples.

[0022] Please refer to Figs. 1-4The utility model provides an embodiment: car aluminum alloy section material battery case, including aluminum alloy lower shell section material 1 and aluminum alloy upper shell section material 2, front plugging 3 and rear plugging 4, aluminum alloy lower shell section material 1 includes one level concave outer protective section material board 6 and one level concave inner section material board 7, the upper of aluminum alloy lower shell section material 1 is equipped with the aluminum alloy upper shell section material 2 for cooperation aluminum alloy lower shell section material 1, aluminum alloy upper shell section material 2 includes two level concave outer protective section material board 14 and two level concave inner section material board 15, and aluminum alloy upper shell section material 2 is equipped with front plugging 3 and rear plugging 4 respectively with the front end and rear end of aluminum alloy lower shell section material 1, and aluminum alloy lower shell section material 1, aluminum alloy upper shell section material 2, front plugging 3 and rear plugging 4 are equipped with battery compartment 5.

[0023] Please refer to Figs. 1-2 In the embodiment, one level concave inner section material board 7 is located at the inner side of one level concave outer protective section material board 6, one level buffer layer 8 is arranged between one level concave outer protective section material board 6 and one level concave inner section material board 7, one level horseshoe 10 is welded and installed below the two side corners of one level concave inner section material board 7, one level support groove 9 accommodating one level horseshoe 10 is punched in the lower side corner of one level concave outer protective section material board 6, one level support groove 9 and one level horseshoe 10 are combined, when the battery case is installed in the car, one level support groove 9 is convex after being punched, so that one level support groove 9 and one level horseshoe 10 can effectively contact with the car when the battery case is installed, thereby forming preliminary buffer protection, one level connecting strip 11 is arranged at the two side edges of one level buffer layer 8, one level concave outer protective section material board 6 and one level concave inner section material board 7 are fixedly connected through one level connecting strip 11, the upper end of one level connecting strip 11 is provided with clamping insertion strip 12, one level concave outer protective section material board 6 and one level concave inner section material board 7 can be welded together through one level connecting strip 11, thereby forming one level buffer layer 8 in the interior, and effectively buffering and protecting the lower part of the car from collision.

[0024] Please refer to Figs. 1-3In the embodiment, the secondary concave inner profile plate 15 is located on the inner side of the secondary concave outer protective profile plate 14, a secondary buffer layer 16 is arranged between the secondary concave outer protective profile plate 14 and the secondary concave inner profile plate 15, a secondary horseshoe 18 is welded and arranged above the two side bending corners of the primary concave inner profile plate 7, a secondary support groove 17 for accommodating the secondary horseshoe 18 is punched on the upper side of the bending corner of the secondary concave outer protective profile plate 14, the secondary horseshoe 18 and the secondary support groove 17 are combined to form a preliminary buffer space with the primary horseshoe 10 and the primary support groove 9, the two side edges of the secondary buffer layer 16 are provided with a secondary connecting strip 19, the secondary concave outer protective profile plate 14 and the secondary concave inner profile plate 15 are fixedly connected through the secondary connecting strip 19, the lower end of the secondary connecting strip 19 is provided with a clamping slot 20 corresponding to the clamping strip 12, the secondary concave outer protective profile plate 14 and the secondary concave inner profile plate 15 are welded together through the secondary connecting strip 19, so as to form the secondary buffer layer 16 inside, effectively buffer and protect the upper collision of the automobile, the clamping slot 20 and the clamping strip 12 are combined, so that the aluminum alloy lower shell profile 1 and the aluminum alloy upper shell profile 2 can be quickly matched and installed together when the battery shell is installed, the installation efficiency of the battery shell is improved, and the battery shell can be quickly disassembled when the battery pack is replaced, which is convenient for maintenance. Since the profiles of the application are all made of aluminum alloy stamping, the battery shell has very high strength and protects the battery pack.

[0025] Please refer to Figs. 3-4 In the embodiment, two groups of first positioning strips 13 are symmetrically arranged on the outer side of the first support groove 9, and two groups of second positioning strips 21 are symmetrically arranged on the outer side of the second support groove 17. Through the combination of the two groups of first positioning strips 13 and the two groups of second positioning strips 21, the user can install rubber buffer pads according to his own needs, further reduce the vibration of the battery shell in the automobile, and further improve the applicability of the battery shell. One side of the front plugging 3 and the rear plugging 4 close to each other is provided with a mounting ring 22 corresponding to the first buffer layer 8 and the second buffer layer 16. The surface of the front plugging 3 is provided with a cable hole 23. The front plugging 3 and the rear plugging 4 are inserted into the first buffer layer 8 and the second buffer layer 16 through the mounting ring 22, so as to plug the front and rear ends of the battery compartment 5. The cable hole 23 makes the cable of the automobile and the battery pack connected together.

[0026] When working, the clamping slot 20 and the clamping strip 12 are combined, so that the aluminum alloy lower shell profile 1 and the aluminum alloy upper shell profile 2 can be quickly matched and installed together when the battery shell is installed, the installation efficiency of the battery shell is improved, and the battery shell can be quickly disassembled when the battery pack is replaced, which is convenient for maintenance.

[0027] The front blocking 3 and the rear blocking 4 can be inserted into the first buffer layer 8 and the second buffer layer 16 through the installation of the insertion ring 22, thereby blocking the front and rear ends of the battery compartment 5, and through the cable hole 23, the cables of the automobile are conveniently connected together with the battery pack.

[0028] When the battery shell is installed in the automobile interior, the first support groove 9 is in a protruding state after being punched, so that the first support groove 9 and the first horseshoe 10 can effectively contact the automobile when the battery shell is installed, thereby forming preliminary buffer protection.

[0029] The first concave outer protective profile plate 6 and the first concave inner profile plate 7 can be welded together through the first connecting strip 11, thereby forming the first buffer layer 8 inside, effectively protecting the lower part of the automobile from collision, and the second concave outer protective profile plate 14 and the second concave inner profile plate 15 can be welded together through the second connecting strip 19, thereby forming the second buffer layer 16 inside, effectively protecting the upper part of the automobile from collision.

[0030] Through the above steps, the aluminum alloy lower shell profile 1, the aluminum alloy upper shell profile 2, the front blocking 3 and the rear blocking 4 are combined, so that when the automobile is subjected to external impact, the first concave outer protective profile plate 6 and the second concave outer protective profile plate 14 can provide strong protection against the impact on the automobile, avoiding direct extrusion of the battery pack in the battery compartment 5 by external impact, and the first concave inner profile plate 7 and the second concave inner profile plate 15 are combined, so that the first concave inner profile plate 7 and the second concave inner profile plate 15 can provide secondary protection to the battery pack, avoiding the extrusion of the first concave outer protective profile plate 6 and the second concave outer protective profile plate 14 to the battery pack in the battery compartment 5, through this internal and external combination of double protection, effectively reducing the probability of self-ignition of the automobile battery due to impact.

Claims

1. An automobile aluminum alloy profile battery case, comprising an aluminum alloy lower case profile (1); characterized in that: Also include aluminum alloy upper shell profile (2), front plug (3) and rear plug (4); aluminum alloy lower shell profile (1) includes a first recessed outer protective profile plate (6) and a first recessed inner profile plate (7), the upper of the aluminum alloy lower shell profile (1) is provided with the aluminum alloy upper shell profile (2) for matching the aluminum alloy lower shell profile (1), the aluminum alloy upper shell profile (2) includes a second recessed outer protective profile plate (14) and a second recessed inner profile plate (15), the aluminum alloy upper shell profile (2) is provided with front plug (3) and rear plug (4) at the front end and rear end of the aluminum alloy lower shell profile (1) respectively, the aluminum alloy lower shell profile (1), the aluminum alloy upper shell profile (2), the front plug (3) and the rear plug (4) are provided with battery compartment (5) between them.

2. The automotive aluminum alloy extruded battery case of claim 1, wherein: The first recessed inner profile plate (7) is located inside the first recessed outer protective profile plate (6), a first buffer layer (8) is provided between the first recessed outer protective profile plate (6) and the first recessed inner profile plate (7), a first horseshoe (10) is welded and installed below the two side corners of the first recessed inner profile plate (7), a first support groove (9) accommodating the first horseshoe (10) is punched below the corner of the first recessed outer protective profile plate (6).

3. The automotive aluminum alloy extruded battery case of claim 2, wherein: The two side edges of the first buffer layer (8) are provided with a first connecting strip (11), the first recessed outer protective profile plate (6) and the first recessed inner profile plate (7) are fixedly connected through the first connecting strip (11), and the upper end of the first connecting strip (11) is provided with a clamping insertion strip (12).

4. The automotive aluminum alloy extruded battery case of claim 1, wherein: The second recessed inner profile plate (15) is located inside the second recessed outer protective profile plate (14), a second buffer layer (16) is provided between the second recessed outer protective profile plate (14) and the second recessed inner profile plate (15), a second horseshoe (18) is welded and installed above the two side corners of the first recessed inner profile plate (7), a second support groove (17) accommodating the second horseshoe (18) is punched above the corner of the second recessed outer protective profile plate (14).

5. The automotive aluminum alloy extruded battery case of claim 4, wherein: The two side edges of the second buffer layer (16) are provided with a second connecting strip (19), the second recessed outer protective profile plate (14) and the second recessed inner profile plate (15) are fixedly connected through the second connecting strip (19), and the lower end of the second connecting strip (19) is provided with a clamping insertion slot (20) corresponding to the clamping insertion strip (12).

6. The automotive aluminum alloy extruded battery case of claim 2, wherein: The outer side of the first support groove (9) is symmetrically provided with two groups of first positioning strips (13), and the outer side of the second support groove (17) is symmetrically provided with two groups of second positioning strips (21).

7. The automotive aluminum alloy extruded battery case of claim 2, wherein: The side of the front plug (3) and the side of the rear plug (4) are provided with a mounting ring (22) corresponding to the first buffer layer (8) and the second buffer layer (16), and a cable hole (23) is provided through the surface of the front plug (3).

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