CN210576110U

CN210576110U - Battery box body with anti-vibration effect for electric automobile

Info

Publication number: CN210576110U
Application number: CN201921638368.5U
Authority: CN
Inventors: 刘彬; 李世明; 邓林锋; 穆骏峰
Original assignee: Jiangxi Yotteo Auto Technology Co ltd
Current assignee: Jiangxi Yotteo Auto Technology Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-05-19
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a battery box body for electric automobile with antivibration effect, comprising a base plate, the upper surface of the base plate is fixedly connected with two groups of first box body walls, two groups of the two ends of the first box body walls are fixedly connected with second box body walls, two groups of the second box body walls are fixedly provided with a cross brace, the first box body wall and the second box body walls are both provided with cross vertically arranged transverse ribs, a cavity is formed between the transverse ribs, the upper surfaces of the first box body wall and the second box body walls are arranged at equal distance and are provided with positioning pins, the middle positions of the upper surfaces of the first box body wall and the second box body walls are screwed with lifting rings, one side of the first box body wall is respectively provided with a battery system interface and a whole automobile connecting interface, the connecting positions of the first box body wall and the second box body wall are both provided with lap joint assemblies, the tops of the first box body wall and the second box body wall are arranged at equal distance and are provided with, high stability, high production efficiency and low processing cost.

Description

Battery box body with anti-vibration effect for electric automobile

Technical Field

The utility model relates to an electric automobile battery technical field specifically is a battery box for electric automobile with antivibration effect.

Background

The battery box body is a core component of an electric automobile battery system, and is mainly used for containing and protecting the battery core module, the box body is reserved with an interface for connecting the battery system with the whole automobile, high-low voltage connectors are installed and fixed, and the box body is also provided with a device for connecting and fixing the whole automobile, so that the battery system is connected with the whole automobile safely and reliably.

At present, due to the constraints in the aspects of cost, technology and the like, the battery box body of the traditional electric automobile adopts a mode of manually welding common steel plates, the processing mode has the defects of multiple welding lines, easy water leakage, serious welding deformation, unsatisfied installation size and the like, and the battery box body is low in production efficiency and high in cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a battery box body for electric automobile with antivibration effect extrudes the box body wall that has cavity and horizontal muscle through the extruder, carries out the tank wall section that the scaling-off saw cut of the tank wall section that extrudes, and stability is high, non-deformable; the cut tank wall section, the cut bottom plate and the cut bottom supporting beam are welded in a sealing mode, the production efficiency is high, and the processing cost is low, so that the problems in the background technology are solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a battery box for electric automobile with antivibration effect, comprises a base plate, fixed surface is connected with two sets of first box walls on the bottom plate, and is two sets of the equal fixedly connected with second box wall in first box wall both ends is two sets of fixed mounting has the stull between the second box wall, all be provided with the horizontal muscle of alternately vertical arrangement in first box wall and the second box wall, vacuole formation between the horizontal muscle, the impartial distance array in first box wall and second box wall upper surface has the locating pin, and the equal spiro union in first box wall and second box wall upper surface position placed in the middle has rings, battery system interface and whole car connection interface have been seted up respectively to first box wall one side, first box wall and second box wall connection position all are provided with the overlap joint subassembly, first box wall and second box wall are the aluminum alloy plate.

Preferably, the top parts of the first box body wall and the second box body wall are equally spaced and arranged with sealing limit rivet nuts.

Preferably, one side of the second box body wall close to the bottom is provided with a positioning strip.

Preferably, one end of the cross brace is provided with a groove at the clamping position of the positioning strip.

Preferably, the lap joint subassembly includes the corner brace, the spiro union has the bolt on corner brace one side, the bolt runs through in horizontal muscle and extend to in the cavity.

Preferably, the top of the cross arm is also fixedly provided with a sealing limit rivet nut.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the box wall section with the cavity and the cross ribs is extruded by an extruder, and the extruded box wall section is subjected to sizing and sawing, so that the stability is high, and the box wall section is not easy to deform;

2. the cut tank wall section, the bottom plate and the bottom supporting beam are welded in a sealing mode, the production efficiency is high, and the processing cost is low.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the front view of the present invention;

fig. 3 is an enlarged cross-sectional structural diagram of a part a in fig. 2 according to the present invention;

fig. 4 is a side view, sectional structural schematic diagram of the lap joint assembly of the present invention.

In the figure: 1. a base plate; 2. a first tank wall; 3. a second tank wall; 4. a cross brace; 5. transverse ribs; 6. a cavity; 7. positioning pins; 8. a hoisting ring; 9. a battery system interface; 10. a finished automobile connecting interface; 11. an overlapping component; 1101. a corner bracket; 1102. a bolt; 12. sealing the limiting rivet nut; 13. a positioning bar; 14. And (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the battery box body with the vibration-proof effect for the electric automobile comprises a bottom plate 1, wherein two groups of first box body walls 2 are fixedly connected to the upper surface of the bottom plate 1, two ends of the two groups of first box body walls 2 are fixedly connected with second box body walls 3, the first box body walls 2 and the second box body walls 3 are aluminum alloy plates, the box walls are formed by aluminum alloy extrusion forming, the structure is simple, the preparation process is simple, large-scale production is facilitated, the battery box body is formed by assembling the first box body walls 2 and the second box body walls 3, the structure is simple, and the processing cost is low; a cross brace 4 is fixedly arranged between the two groups of second box body walls 3, the cross brace 4 is arranged to support the two groups of second box body walls 3, and the distance between the cross braces 4 can be adjusted according to the size of the battery module; transverse ribs 5 which are arranged in a crossed and vertical mode are arranged in the first box body wall 2 and the second box body wall 3, a cavity 6 is formed between the transverse ribs 5, the box body wall with the transverse ribs 5 and the cavity 6 is extruded through extrusion equipment, and the box body is integrally formed, so that the battery box body has a good anti-vibration effect; positioning pins 7 are arranged on the upper surfaces of the first box body wall 2 and the second box body wall 3 at equal intervals, the first box body wall 2, the second box body wall 3 and the bottom plate 1 are connected by the positioning pins 7, when the battery box body is welded, the sealing performance and accuracy of welding are ensured, and the deformation after welding is reduced;

referring to fig. 2, the top parts of the first box wall 2 and the second box wall 3 are equally spaced and arrayed with sealing limiting rivet nuts 12, and the sealing limiting rivet nuts 12 are arranged for connecting the sealing gasket and the box cover with the box body; one side, close to the bottom, of the second box body wall 3 is provided with a positioning strip 13, one end of the cross brace 4 is positioned at the clamping position of the positioning strip 13 and is provided with a groove 14, and by utilizing the sliding fit of the groove 14 and the positioning strip 13, the top of the cross brace 4 is also fixedly provided with a sealing limiting rivet nut 12, so that the stable connection between the cross brace 4 and the second box body wall 3 is ensured, the position adjustment of the cross brace 4 is facilitated, and the battery module is suitable for battery modules with different sizes;

referring to fig. 2, 3 and 4, the middle positions of the upper surfaces of the first box wall 2 and the second box wall 3 are respectively screwed with a hanging ring 8, and the hanging rings 8 are used for facilitating the hoisting and placing of the battery box body; a battery system interface 9 and a finished automobile connecting interface 10 are respectively arranged on one side of the first box body wall 2, and the battery system interface 9 and the finished automobile connecting interface 10 are arranged to facilitate the connection of the whole circuit after the battery box body is fixed; first box wall 2 and the 3 hookup location of second box wall all are provided with overlap joint subassembly 11, and overlap joint subassembly 11 includes angle frame 1101, and angle frame 1101 one side spiro union has bolt 1102, and bolt 1102 runs through in horizontal muscle 5 and extend to cavity 6, utilizes overlap joint subassembly 11 to guarantee the stability of whole battery box and the degree of compactness of connection.

The structure principle is as follows: the first box wall 2 and the second box wall 3 with the cavities 6 and the cross ribs 5 are extruded by extrusion equipment, and the extruded box wall section is subjected to sizing and sawing, so that the box wall section is high in stability, has a good anti-vibration effect, is integrally formed, and is not easy to deform after welding;

utilize the joint of locating bar 13 and recess 14 to and the fastening connection of overlap joint subassembly 11, first box wall 2, second box wall 3, bottom plate 1 and stull 4 after will cutting carry out seal welding, and production efficiency is high, and the processing cost is low.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a battery box for electric automobile with antivibration effect, includes bottom plate (1), its characterized in that: the upper surface of the base plate (1) is fixedly connected with two groups of first box walls (2), two groups of first box walls (2) are fixedly connected with second box walls (3) at two ends, a cross brace (4) is fixedly installed between the second box walls (3), transverse ribs (5) which are arranged in a cross and vertical mode are arranged in the first box walls (2) and the second box walls (3), a cavity (6) is formed between the transverse ribs (5), positioning pins (7) are arranged on the upper surfaces of the first box walls (2) and the second box walls (3) in an equal distance mode, hanging rings (8) are screwed on the upper surfaces of the first box walls (2) and the second box walls (3) in the middle position, battery system interfaces (9) and connecting interfaces (10) are respectively arranged on one side of the first box walls (2), and connecting positions of the second box walls (3) are provided with lap joint components (11), the first box body wall (2) and the second box body wall (3) are aluminum alloy plates.

2. The battery box with vibration-proof effect for the electric vehicle according to claim 1, characterized in that: the top parts of the first box body wall (2) and the second box body wall (3) are arranged at equal intervals and provided with sealing limiting rivet nuts (12).

3. The battery box with vibration-proof effect for the electric vehicle according to claim 1, characterized in that: and a positioning strip (13) is arranged on one side of the second box body wall (3) close to the bottom.

4. The battery box with vibration-proof effect for the electric vehicle according to claim 3, characterized in that: one end of the cross brace (4) is provided with a groove (14) at the clamping position of the positioning strip (13).

5. The battery box with vibration-proof effect for the electric vehicle according to claim 1, characterized in that: the lap joint assembly (11) comprises a corner bracket (1101), a bolt (1102) is connected to one side of the corner bracket (1101) in a threaded mode, and the bolt (1102) penetrates through the transverse rib (5) and extends into the cavity (6).

6. The battery box with vibration-proof effect for the electric vehicle according to claim 1, characterized in that: and a sealing limiting rivet nut (12) is also fixedly mounted at the top of the cross arm (4).