CN210723151U

CN210723151U - Battery module bundling steel belt with screw holes

Info

Publication number: CN210723151U
Application number: CN201921889497.1U
Authority: CN
Inventors: 毛焕宇; 徐晓磊; 韩五禄; 高猛
Original assignee: Suzhou Youlion Battery Inc
Current assignee: Suzhou Youlion Battery Inc
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-09
Anticipated expiration: 2029-11-05

Abstract

The utility model provides a steel band is tied up to battery module with screw hole, include: the strapping tape is a rectangular frame consisting of a steel belt or a plurality of steel belts arranged in parallel, the strapping tape is sleeved on the battery module, the plurality of bolt sleeves are arranged along the circumferential direction of the strapping tape, the bolt sleeves are arranged along the vertical direction of the battery module, a through hole is formed in the bolt sleeve, and the fixing bolt is arranged in the through hole in a penetrating mode. The utility model provides a pair of steel band is tied up to battery module with screw hole can reach and tie up the purpose about the electric core, can fix the module in battery package box again, and tie up simple structure is reliable to make battery module low in manufacturing cost, energy density is higher.

Description

Battery module bundling steel belt with screw holes

Technical Field

The utility model relates to a steel band is tied up to battery module particularly, relates to a steel band is tied up to battery module with screw hole.

Background

Along with new energy automobile development is faster and faster, new energy automobile application is wider and wider, and the customer is higher and higher to the requirement of battery module, under the prerequisite that satisfies structural strength and safe in utilization, will have lower price and higher energy density. The traditional battery module has the disadvantages of complex structure, high raw material and manufacturing cost and low energy density.

The battery module comprises numerous electric cores, and a plurality of electric cores with good consistency are assembled into a modularized battery module through strict screening. The effect of tying up of electric core module directly influences the energy density of battery module, ties up the very big manufacturing cost who has influenced the battery module of selection of mode simultaneously to influence battery manufacturing enterprise's competitiveness.

The current bundling method of the battery module is shown in fig. 11, the battery core is fixed by a structural adhesive 51, a side plate 52 and an end plate 53 (the material cost is high), the side plate 52 and the end plate 53 are made of aluminum alloy, and the side plate 52 and the end plate 52 are welded by a laser welder.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a battery module ties up steel band with screw hole, ties up simple structure and reliably to make battery module material cost and manufacturing cost cheaper, can lighten weight, thereby energy density is higher.

Therefore, the utility model provides a steel band is tied up to battery module with screw hole, include: the strapping tape is a rectangular frame consisting of a steel belt or a plurality of steel belts arranged in parallel, the strapping tape is sleeved on the battery module, the plurality of bolt sleeves are arranged along the circumferential direction of the strapping tape, the bolt sleeves are arranged along the vertical direction of the battery module, a through hole is formed in the bolt sleeve, and the fixing bolt is arranged in the through hole in a penetrating mode.

Further, the bolt sleeve is cylindrical or rectangular.

Further, the bolt sleeve is fixedly mounted on the inner side surface or the outer side surface of the strapping tape.

Further, bolt sleeves are fixedly mounted at four inner corners of the strapping.

Further, bolt sleeves are fixedly mounted to the outer ends of either of the opposite sides of the strapping band.

Further, the length of the bolt sleeve is equal to the height of the battery module.

Further, the bolt sleeve is welded on the strapping tape.

Further, the through holes are circular holes or kidney-shaped holes.

The utility model provides a pair of during steel band is tied up to battery module with screw hole, the fixed mode of module electricity core adopts the fixed mode that the module was tied up to the simplest steel band, four bolt covers weld respectively on prefabricated steel ring, make it become a whole with the strapping, and guarantee binding apparatus's structural strength reliable and stable, electricity core sequencing is piled up the completion back, apply its volume of pressure compression at its length direction, embolia prefabricated good steel ring, remove pressure, the tight steel ring that rises after the electricity core kick-backs, penetrate the steel casing pipe with fastening bolt at last, thereby with the electricity core lock solid in battery PACK box, the fixed completion of battery module. The surfaces of the electric cores at the two ends of the module are covered with one layer of insulating partition plate, so that the effect of insulating safety is achieved.

The utility model provides a pair of steel band is tied up to battery module with screw hole can reach and tie up the purpose about the electric core, can fix the module in battery package box again, and tie up simple structure is reliable to make battery module low in manufacturing cost, energy density is higher.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural diagram of a scheme for binding a steel belt of a battery module with screw holes according to an embodiment of the present invention;

fig. 1A is a schematic structural diagram of a weld joint of a first scheme of bundling a steel strip by a battery module with screw holes according to an embodiment of the present invention;

fig. 1B is a schematic structural diagram of another embodiment of a scheme for binding steel belts by using battery modules with screw holes according to an embodiment of the present invention;

fig. 2 is a binding schematic diagram of a first scheme of binding steel bands for battery modules with screw holes according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a second scheme of bundling a steel belt for a battery module with screw holes according to an embodiment of the present invention;

fig. 4 is a binding schematic diagram of a second scheme for binding steel belts for battery modules with screw holes according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a scheme for binding a steel belt of a battery module with screw holes according to an embodiment of the present invention;

fig. 6 is a binding schematic diagram of a third scheme for binding steel belts of battery modules with screw holes according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a fourth scheme of bundling steel bands by battery modules with screw holes according to an embodiment of the present invention;

fig. 8 is a binding schematic diagram of a fourth scheme for binding steel belts for battery modules with screw holes according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a fifth scheme for bundling steel strips by battery modules with screw holes according to an embodiment of the present invention;

fig. 10 is a binding schematic diagram of a fifth scheme for binding steel belts of battery modules with screw holes according to an embodiment of the present invention;

fig. 11 is a schematic structural view of a conventional battery module binding steel band according to an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1 to 10, a battery module bundling steel band with screw holes according to an embodiment of the present invention is shown, including: strapping 1, a plurality of bolt cover 2 and a plurality of fixing bolt 3, strapping 1 is the rectangle frame of constituteing by a steel band or many parallel arrangement's steel band, and 1 covers of strapping are established on battery module 4, and a plurality of bolt covers 2 are arranged and are connected on strapping 1 through welding seam 22 along strapping 1's circumference, and bolt cover 2 arranges along battery module 4's vertical direction, and the inside of bolt cover 2 is provided with through-hole 21, and fixing bolt 3 wears to establish in through-hole 21.

Specifically, referring to fig. 1 to 10, the bolt housing 2 is fixedly installed on the inner side or the outer side of the binding band 1.

Specifically, referring to fig. 1 to 10, the length of the bolt housing 2 is equal to the height of the battery module 4.

Specifically, referring to fig. 1 to 10, the bolt housing 2 is welded to the binding band 1.

The utility model provides a pair of steel band is tied up to battery module with screw hole, it is reliable to tie up simple structure to make battery module low in manufacturing cost, energy density is higher.

Example two:

referring to fig. 1 to 10, a battery module bundling steel strip with screw holes according to a second embodiment of the present invention is shown, and the present embodiment further adopts the following technical solutions as improvements on the basis of the above embodiments: the bolt sleeve 2 is cylindrical or cuboid.

The bolt sleeve is used for being welded on the prefabricated steel ring so as to ensure that the binding device has stable and reliable structural strength, and both the cylindrical bolt sleeve and the rectangular bolt sleeve can provide a supporting function.

Example three:

referring to fig. 1 and fig. 2, a battery module bundling steel band with screw holes according to a third embodiment of the present invention is shown, and the present embodiment further adopts the following technical solutions as improvements on the basis of the above embodiments: the bolt sleeves 2 are fixedly arranged at four inner corners of the strapping tape 1.

The binding device adopts the design that the bolt sleeves are welded at four inner corners of the binding belt, and the bolt sleeves are positioned on the inner side of the binding belt in the mode, so that the outer side of the battery module which is bound is smooth, the battery module is convenient to stack, and the battery module is not easy to collide and damage.

Example four:

referring to fig. 2 to 8, a battery module bundling steel strip with screw holes according to a fourth embodiment of the present invention is shown, and the present embodiment further adopts the following technical solutions as improvements on the basis of the above embodiments: the bolt sleeves 2 are fixedly arranged at the two outer ends of any opposite side edges of the strapping tape 1.

The binding device adopts the design that the bolt sleeve is welded at the two ends of the outer side of any opposite side edge of the binding belt, the bolt sleeve is positioned on the outer side of the binding belt in the mode, the fixing effect of the binding belt on the battery module is good, and the battery module is prevented from contacting the bolt sleeve when the binding belt is tensioned, so that the extrusion deformation is caused.

Example five:

referring to fig. 1 to 10, a battery module bundling steel band with screw holes according to a fifth embodiment of the present invention is shown, and the present embodiment further adopts the following technical solutions as improvements on the basis of the above embodiments: the through-hole 21 is a circular hole or a kidney-shaped hole.

The through hole arranged on the bolt sleeve is a circular hole or a waist-shaped hole, the circular through hole is simple and convenient to install, the bolt can be effectively positioned and fixed, and the through hole is the waist-shaped hole, so that the bundled battery module can have a room for adjustment in the installation process.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A battery module binding steel band with screw holes, comprising: strapping (1), a plurality of bolt cover (2) and a plurality of fixing bolt (3), strapping (1) is the rectangle frame of constituteing by a steel band or many parallel arrangement's steel band, strapping (1) cover is established on battery module (4), a plurality of bolt cover (2) are followed the circumference of strapping (1) is arranged, bolt cover (2) are followed the vertical direction of battery module (4) is arranged, the inside of bolt cover (2) is provided with through-hole (21), fixing bolt (3) are worn to establish in through-hole (21).

2. The battery module binding steel band having screw holes as set forth in claim 1, wherein the bolt housing (2) is shaped as a cylinder or a rectangular parallelepiped.

3. The battery module binding steel strap with screw holes according to claim 1, characterized in that the bolt housing (2) is fixedly mounted on the inner side or the outer side of the binding strap (1).

4. The battery module binding steel strap with screw holes according to claim 1 or 3, characterized in that the bolt housings (2) are fixedly installed at four inner corners of the binding strap (1).

5. The battery module binding steel strap with screw holes as claimed in claim 1 or 3, wherein the bolt housing (2) is fixedly installed at both outer ends of either opposite side of the binding strap (1).

6. The battery module binding steel band having screw holes according to claim 1, wherein the length of the bolt housing (2) is equal to the height of the battery module (4).

7. The battery module binding steel band with screw holes according to claim 1, wherein the bolt housing (2) is welded to the binding band (1).

8. The battery module binding steel band having screw holes according to claim 1, wherein the through-holes (21) are circular holes or kidney-shaped holes.