CN220086248U - Fixing device of lithium battery in battery module - Google Patents

Abstract

The utility model relates to the technical field of battery monomer assembly, and discloses a fixing device of a lithium battery in a battery module, which comprises a module box body and a plurality of limiting components arranged in the inner cavity of the module box body, wherein the module box body is connected with a cover body through a buckle component in a buckling manner, a bottom placing groove is formed in the bottom of the cavity of the module box body, the bottom placing groove can be connected with the lithium battery monomer in an inserting manner, the limiting components comprise a first limiting component and a second limiting component, and the first limiting component comprises a second limiting plate and a first limiting plate which can be elastically clamped on two sides of the lithium battery monomer; the second limiting assembly comprises a limiting rod detachably connected with the module box body. The utility model can conveniently and rapidly assemble and form the lithium battery module, has strong stability for the installation of the single lithium battery and improves the actual service life of the single lithium battery.

Description

Fixing device of lithium battery in battery module

Technical Field

The utility model relates to the technical field of battery monomer assembly, in particular to a fixing device of a lithium battery in a battery module.

Background

The lithium battery can be used for providing electric power support for the motor, and then realize mechanical transmission through the motor, however, single lithium battery is limited because of the electric quantity, can select to use a plurality of lithium battery monomers to connect into battery module generally, thereby reach the electric energy demand, lithium battery module is when the installation, generally install lithium battery monomer in the protective housing, and use the clamp to fix in the casing, because of the clamp when installing lithium battery, a plurality of lithium battery monomers are direct stacks together more, the mode installation of fastening clamp is loaded down with trivial details and lithium battery monomer installation steadiness remains to improve, lithium battery monomer easily takes place to rock, produce mutual collision each other, cause the free damage of battery.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a fixing device for a lithium battery in a battery module, which solves the problems that the existing lithium battery module is complicated in mounting and fixing of a single lithium battery, and meanwhile, the mounting stability is insufficient, so that the actual service life of the single lithium battery is short.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a fixing device of lithium cell in battery module, includes the module box body and sets up a plurality of in the module box body inner chamber and be used for fixed lithium cell spacing subassembly, be connected with the lid through buckle subassembly buckle on the module box body, the chamber end of module box body is provided with the standing groove, the standing groove can peg graft with lithium cell and be connected, spacing subassembly includes first spacing subassembly and second spacing subassembly, first spacing subassembly includes second limiting plate and can elastic clamping at the first limiting plate of lithium cell both sides, first limiting plate and second limiting plate are close to lithium cell one side all be provided with the chamfer and form the chamfer face of slope; the second limiting assembly comprises a limiting rod which is detachably connected with the module box body, and the lower end face of the limiting rod is abutted against the upper end face of the lithium battery monomer.

Preferably, a sealing gasket is arranged between the inner side wall of the cover body and the outer side wall of the module box body, and the sealing gasket is fixedly connected with the inner side wall of the cover body.

Preferably, the buckle assembly comprises a buckle fixedly connected with the lower end face of the cover body and a buckle groove matched with the buckle, the two sides of the module box body are provided with buckle boxes, and the buckle grooves are formed in the buckle boxes.

Preferably, the first limiting assembly further comprises a limiting cross rod and a spring, the limiting cross rod is fixedly connected between the cavity walls of the module box body, a moving groove is horizontally arranged on the limiting cross rod, the first limiting plate can slide in the moving groove, and the side wall of the moving groove is fixedly connected with the first limiting plate through the spring.

Preferably, the second limiting assembly further comprises a sinking groove arranged on the upper end face of the module box body and a third limiting plate fixedly connected with the limiting rod, the limiting rod is detachably connected with the bottom of the sinking groove through a fastener, and the third limiting plate is located on one side of the lithium battery cell and is in interference with the lithium battery cell.

Preferably, a backing plate is arranged between the contact surfaces of the limiting cross rod and the lithium battery monomer and between the limiting cross rod and the third limiting plate, and the backing plate is made of rubber materials.

(III) beneficial effects

The utility model has the following beneficial effects:

(1) According to the fixing device of the lithium battery in the battery module, through the first limiting plate, two sides of the lithium battery monomer to be installed can be elastically clamped, and meanwhile, through the placement bottom groove, four directions of limiting can be performed on the lithium battery monomer placed in the fixing device, and the lithium battery monomer can be rapidly installed and limited by being matched with the first limiting plate and the second limiting plate; through the gag lever post that sets up, can carry out spacing fixed to lithium cell monomer upper and lower direction to the firm installation in the module box body to a plurality of lithium cell monomer is accomplished jointly to cooperation first limiting plate, second limiting plate and standing groove. When the lithium battery monomer is required to be disassembled, the lithium battery monomer can be independently lifted upwards only by disassembling the limiting rod, and the whole process is convenient and fast.

(2) The fixing device of the lithium battery in the battery module is characterized in that the inclined chamfer faces are formed on one sides of the first limiting plate and the second limiting plate, so that the lower end of the lithium battery can be conveniently and rapidly placed when the lithium battery is installed, and the lithium battery is conveniently and forcedly pressed to be inserted into the placement bottom groove.

Drawings

FIG. 1 is a schematic view of the overall structure of a module case according to the present utility model;

fig. 2 is a schematic view of an installation structure of a lithium battery cell according to the present utility model;

FIG. 3 is a schematic view of the internal structure of the module case of the present utility model;

FIG. 4 is a schematic view of a first spacing assembly according to the present utility model;

fig. 5 is a schematic layout structure of the cover and the second limiting component of the present utility model.

In the figure: 1. a module case; 2. a cover body; 21. a sealing gasket; 3. a clasp assembly; 31. a fastening box; 32. a buckling groove; 33. a buckle; 4. a lithium battery cell; 5. placing a bottom groove; 6. a first limit assembly; 61. a limiting cross bar; 62. a moving groove; 63. a spring; 64. a first limiting plate; 65. a second limiting plate; 7. the second limiting component; 71. a sinking groove; 72. a limit rod; 73. a backing plate; 74. and the third limiting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a fixing device of lithium cell in battery module, including module box body 1 and set up a plurality of in the inner chamber of module box body 1 and be used for fixed lithium cell 4 spacing subassembly, be connected with lid 2 through buckle subassembly 3 buckle on the module box body 1, the chamber end of module box body 1 is provided with places the kerve 5, place kerve 5 and lithium cell 4 and can peg graft and connect, spacing subassembly includes first spacing subassembly 6 and second spacing subassembly 7, first spacing subassembly 6 includes second limiting plate 65 and can elastic clamping at the first limiting plate 64 of lithium cell 4 both sides, one side that first limiting plate 64 and second limiting plate 65 are close to lithium cell 4 all is provided with the chamfer and forms the chamfer face of slope; the second limiting assembly 7 comprises a limiting rod 72 which is detachably connected with the module box body 1, and the lower end face of the limiting rod 72 is abutted against the upper end face of the lithium battery monomer 4.

According to the utility model, through the first limiting plate 64, two sides of the lithium battery monomer 4 to be installed can be elastically clamped, and meanwhile, through the placement bottom groove 5, the lithium battery monomer 4 placed in the bottom groove can be limited in four directions, and the lithium battery monomer 4 can be quickly installed and limited by matching the first limiting plate 64 and the second limiting plate 65; through the inclined chamfer surfaces arranged on one side of the first limiting plate 64 and one side of the second limiting plate 65, the lower end of the lithium battery monomer 4 can be conveniently and rapidly placed when the lithium battery monomer 4 is installed, and the lithium battery monomer 4 can be conveniently pressed by applying force to be inserted into the placement bottom groove 5; through the gag lever post 72 that sets up, can carry out spacing fixed to lithium cell 4 upper and lower direction to cooperation first limiting plate 64, second limiting plate 65 and place the die bottom groove 5 and accomplish the firm installation in module box body 1 to a plurality of lithium cell 4 jointly. When the lithium battery monomer 4 needs to be disassembled, the lithium battery monomer 4 can be independently lifted upwards only by disassembling the limiting rod 72, and the whole process is convenient and quick.

In this embodiment, a sealing gasket 21 is disposed between the inner sidewall of the cover 2 and the outer sidewall of the module box 1, and the sealing gasket 21 is fixedly connected with the inner sidewall of the cover 2. Referring to fig. 5, the sealing performance of the cover body 2 after being buckled and mounted with the module box body 1 can be improved through the arranged sealing gasket 21, so that the interaction between the external environment and the inner cavity environment of the module box body 1 is avoided, and the normal use of the lithium battery 4 is further affected.

In this embodiment, the buckle assembly 3 includes a buckle 33 fixedly connected with the lower end surface of the cover 2 and a buckle groove 32 matched with the buckle 33, the two sides of the module box 1 are provided with buckle boxes 31, and the buckle groove 32 is disposed on the buckle boxes 31. Referring to fig. 3 and 5, the cover 2 can be conveniently and rapidly assembled and disassembled with the module case 1 by the buckle 33 and the buckle groove 32, and the assembly and disassembly efficiency of the battery module can be effectively improved.

In this embodiment, the first limiting component 6 further includes a limiting cross rod 61 and a spring 63, the limiting cross rod 61 is fixedly connected between the cavity walls of the module box body 1, a moving groove 62 is horizontally arranged on the limiting cross rod 61, the first limiting plate 64 can slide in the moving groove 62, and the side wall of the moving groove 62 is fixedly connected with the first limiting plate 64 through the spring 63. Referring to fig. 4, the first limiting plate 64 is conveniently ensured to stably slide and spread and stably clamp and mount the lithium battery cell 4 by the limiting cross bar 61, the moving groove 62 and the spring 63.

In this embodiment, the second limiting component 7 further includes a sinking groove 71 disposed on the upper end surface of the module box body 1, and a third limiting plate 74 fixedly connected with the limiting rod 72, where the limiting rod 72 is detachably connected with the bottom of the sinking groove 71 through a fastener, and the third limiting plate 74 is located on one side of the lithium battery unit 4 and is in contact with the side of the lithium battery unit. Referring to fig. 3 and 5, the side wall of the lithium battery cell 4 can be further abutted by the third stopper 74 provided, and the stability of the lithium battery cell 4 after installation can be improved.

In this embodiment, a backing plate 73 is disposed between the contact surfaces of the lithium battery cell 4 and the limiting cross bar 61 and the third limiting plate 74, and the backing plate 73 is made of rubber material. Referring to fig. 5, through the setting of the pad 73, when the limit cross bar 61 is installed through the fastener, the limit cross bar 61 and the third limit plate 74 are prevented from being in direct contact with the lithium battery cell 4, so that the surface of the lithium battery cell 4 is greatly deformed, and the normal use condition of the lithium battery cell 4 is affected.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

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

Claims (6)

1. The utility model provides a fixing device of lithium cell in battery module, includes module box body and sets up a plurality of in module box body inner chamber and be used for fixed lithium cell monomer spacing subassembly, its characterized in that: the module box body is connected with a cover body through a buckle assembly in a buckling manner, a placing bottom groove is formed in the cavity bottom of the module box body, the placing bottom groove and the lithium battery unit can be connected in a plugging manner, the limiting assembly comprises a first limiting assembly and a second limiting assembly, the first limiting assembly comprises a second limiting plate and first limiting plates which can be elastically clamped on two sides of the lithium battery unit, and chamfer angles are formed on one sides, close to the lithium battery unit, of the first limiting plates and the second limiting plates; the second limiting assembly comprises a limiting rod which is detachably connected with the module box body, and the lower end face of the limiting rod is abutted against the upper end face of the lithium battery monomer.

2. The fixing device for a lithium battery in a battery module according to claim 1, wherein: a sealing gasket is arranged between the inner side wall of the cover body and the outer side wall of the module box body, and the sealing gasket is fixedly connected with the inner side wall of the cover body.

3. The fixing device for a lithium battery in a battery module according to claim 1, wherein: the buckle assembly comprises a buckle fixedly connected with the lower end face of the cover body and a buckle groove matched with the buckle, the two sides of the module box body are provided with buckle boxes, and the buckle grooves are formed in the buckle boxes.

4. The fixing device for a lithium battery in a battery module according to claim 1, wherein: the first limiting assembly further comprises a limiting cross rod and a spring, the limiting cross rod is fixedly connected between the cavity walls of the module box body, a moving groove is horizontally arranged on the limiting cross rod, the first limiting plate can slide in the moving groove, and the side wall of the moving groove is fixedly connected with the first limiting plate through the spring.

5. The fixing device for a lithium battery in a battery module according to any one of claims 1 to 4, wherein: the second limiting assembly further comprises a sinking groove arranged on the upper end face of the module box body and a third limiting plate fixedly connected with the limiting rod, the limiting rod is detachably connected with the bottom of the sinking groove through a fastener, and the third limiting plate is located on one side of the lithium battery cell and is in interference with the lithium battery cell.

6. The fixing device for a lithium battery in a battery module according to claim 5, wherein: backing plates are arranged between the contact surfaces of the limiting cross rod and the third limiting plate and the lithium battery monomer, and the backing plates are made of rubber materials.