CN212392320U

CN212392320U - Adjusting part, battery pack assembly and vehicle

Info

Publication number: CN212392320U
Application number: CN202020725602.4U
Authority: CN
Inventors: 张海建; 黄毅轩
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-01-22
Anticipated expiration: 2030-05-06

Abstract

The utility model discloses a regulating part, battery package subassembly and vehicle, this a regulating part for battery package subassembly includes: a connection portion connected to a cell module of the battery pack assembly and movable in a length direction of the cell module; the elastic part is used for driving the connecting part to stop against the battery cell module; the fixing plate is connected with the shell of the battery pack assembly, and the elastic part is clamped between the fixing plate and the connecting part. The utility model discloses an adjusting part for battery package subassembly through setting up the telescopic adjusting part, can release the bulging force of electric core module after the ageing inflation of electric core module, improves the operational reliability of battery package subassembly.

Description

Adjusting part, battery pack assembly and vehicle

Technical Field

The utility model relates to a vehicle manufacturing technical field particularly, relates to an adjusting part, has the battery package subassembly of adjusting part and having the vehicle of battery package subassembly.

Background

The modern automobile industry is revolutionarily changing, that is, the traditional fuel automobile is gradually replaced by a new energy automobile, and a pure electric automobile is emerging as one of the new energy automobiles. Many tradition fuel car platforms are direct through changing the engine structure into power battery package structure, change the automobile power source into the battery package by the fuel, and the energy density of battery package is related to in the lightweight of battery package, and then the continuation of the journey mileage of whole car is related to.

Among them, a power battery pack without a module is being developed, and the power battery pack is being applied to a vehicle manufacturer as a design that can greatly increase the energy density of the battery pack and greatly reduce the cost of the battery pack. However, the fixing form of the battery core needs to be adhered to the lower shell of the battery pack through the structural adhesive, and the usage amount of the structural adhesive is large, so that the cost and the weight of the battery pack are high.

In addition, the module-free battery pack has the inevitable defects of difficult disassembly and inconvenient maintenance. If the condition that single electric core damaged appears in the battery package, when dismantling this electric core, probably damage other electric core structures or demolish not thoroughly, lead to electric core weeping or structural adhesive to can't thoroughly clear away, lead to the maintenance failure. As a result, damage to individual cells typically results in rejection of the entire battery pack.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a battery package subassembly to make this battery package subassembly have and be convenient for dismantle and maintain the battery package subassembly, can release advantages such as the bulging force of electric core module after the ageing inflation of electric core module.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

an adjustment member for a battery pack assembly, the adjustment member comprising: a connection portion connected to a cell module of the battery pack assembly and movable in a length direction of the cell module; the elastic part is used for driving the connecting part to stop against the battery cell module; the fixing plate is connected with the shell of the battery pack assembly, and the elastic part is clamped between the fixing plate and the connecting part.

According to the utility model discloses an advantage such as bulging force that is used for battery package subassembly has and can release electric core module after the ageing inflation of electric core module.

In addition, the adjusting member for the battery pack assembly according to the above embodiment of the present invention may further have the following additional technical features:

according to some embodiments of the utility model, have first connecting hole on the connecting portion, have the second connecting hole that the position corresponds on the fixed plate, the connecting portion with the fixed plate is in through the cooperation first connecting hole with positioning connecting rod in the second connecting hole links to each other.

According to some embodiments of the utility model, the location connecting rod with connecting portion fixed connection just follows connecting portion synchronous movement in the length direction of location connecting rod the location connecting rod is relative the fixed plate is portable.

Another object of the utility model is to provide a battery package subassembly, through setting up the telescopic regulating part, can release electric core module's bulging force after the ageing inflation of electric core module of battery package subassembly, improve the operational reliability of battery package subassembly.

a battery pack assembly, comprising: the device comprises a shell, a shell and a cover, wherein an accommodating cavity is formed in the shell; the battery cell module is arranged in the accommodating cavity; the limiting part is arranged in the accommodating cavity and used for limiting the battery cell module in the height direction of the battery cell module; the adjusting piece is the adjusting piece, the adjusting piece is arranged in the accommodating cavity and connected with the battery cell module, and at least one part of the adjusting piece is telescopic along the length direction of the battery cell module. The advantages of the battery pack assembly and the adjusting member are the same as those of the adjusting member in the prior art, and are not described in detail herein.

According to the utility model discloses battery package subassembly has and is convenient for dismantle and maintain the battery package subassembly, can release advantages such as the bulging force of electric core module after the ageing inflation of electric core module.

According to some embodiments of the present invention, the adjusting member is at least provided at one end of the battery cell module in the length direction and abuts against the side end surface of the battery cell module.

According to some embodiments of the utility model, the electric core module is a plurality of, and is a plurality of electric core module array distributes hold the intracavity.

According to some embodiments of the invention, the locating part comprises: the battery cell module comprises one or more first limiting beams, the first limiting beams extend along the length direction of the battery cell module, the accommodating cavity is divided into a plurality of subspaces by the first limiting beams, and the battery cell modules are respectively and correspondingly arranged in the subspaces.

According to some embodiments of the invention, each first limiting beam comprises: the beam body is connected with the shell; and the pressing plate is connected with the beam body and is positioned at the top end of the beam body and is suitable for stopping against the upper surface of the battery cell module.

According to some embodiments of the present invention, the locating part further comprises: the second limiting beam extends along the width direction of the battery cell module and is connected with the first limiting beams in a crossed mode.

Compared with the prior art, battery package subassembly have following advantage:

battery package subassembly, be convenient for dismantle and maintain battery package subassembly, can release electric core module's bulging force after the ageing inflation of electric core module.

Another object of the present invention is to provide a vehicle, such that the vehicle has advantages of stable and reliable running, long driving range of the whole vehicle, etc.

a vehicle comprises the battery pack assembly. The vehicle and the battery pack assembly have the same advantages compared with the prior art, and the detailed description is omitted.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural diagram of a battery pack assembly according to an embodiment of the present invention.

Fig. 2 is an enlarged view at D in fig. 1.

Fig. 3 is a schematic structural diagram of a housing of a battery pack assembly according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a cell module of a battery pack assembly according to an embodiment of the present invention.

Fig. 5 is a cross-sectional view of a limiting member of a battery pack assembly according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of an adjusting member of a battery pack assembly according to an embodiment of the present invention.

Fig. 7 is an exploded view of an adjustment member of a battery pack assembly according to an embodiment of the present invention.

Reference numerals: the battery pack assembly 1, the housing 100, the accommodating cavity 101, the sub-space 102, the cell module 200, the cell 210, the limiting member 300, the first limiting beam 310, the beam body 311, the pressing plate 312, the second limiting beam 320, the adjusting member 400, the connecting portion 410, the first connecting hole 411, the elastic portion 420, the spring 421, the fixing plate 430, the second connecting hole 431, the mounting hole 432, the positioning hole 433, the connecting rod 440, the insulating sheet 500, and the module output electrode 600.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail with reference to fig. 1 to 7 in conjunction with the embodiments.

Referring to fig. 1 to 7, an adjusting member 400 for a battery pack assembly 1 according to an embodiment of the present invention includes a connecting portion 410, an elastic portion 420, and a fixing plate 430.

The connecting portion 410 is connected to the cell module 200 of the battery pack assembly 1 and is movable along the length direction of the cell module 200, and the elastic portion 420 drives the connecting portion 410 to stop against the cell module 200. The fixing plate 430 is coupled to the case 100 of the battery pack assembly 1, and the elastic part 420 is interposed between the fixing plate 430 and the coupling part 410.

According to the utility model discloses a regulating part 400 for battery package subassembly 1 can utilize elasticity portion 420 to make connecting portion 410 paste tight electric core module 200, improves the spacing effect to electric core module 200, avoids electric core module 200 to take place to rock in the course of the work, still conveniently obtains bigger installation space through extrusion elasticity portion 420 after electric core module 200 inflation, is convenient for smoothly release electric core module 200's bulging force.

In addition, the adjusting piece 400 is convenient to mount in the shell 100, so that an operator can conveniently mount the adjusting piece, and the mounting convenience and mounting efficiency of the adjusting piece 400 are improved.

That is, the adjusting member 400 includes a connecting portion 410, an elastic portion 420 and a fixing plate 430, and the elastic portion 420 is clamped between the fixing plate 430 and the connecting portion 410, so that the adjusting member 400 is installed in the housing 100 after the whole assembly is completed.

It should be understood here that the battery pack assembly 1 may include a housing 100, a cell module 200, a limiting member 300, and an adjusting member 400. A containing cavity 101 is formed in the casing 100, and the battery cell module 200 is arranged in the containing cavity 101. The limiting member 300 is disposed in the accommodating cavity 101, and the limiting member 300 is used for limiting the battery cell module 200 in the height direction of the battery cell module 200. The adjusting member 400 is disposed in the accommodating cavity 101 and connected to the cell module 200, and at least a portion of the adjusting member 400 is retractable in a length direction of the cell module 200.

From this, install electric core module 200 and regulating part 400 in casing 100 together, the ageing inflation of electric core 210 in electric core module 200 makes electric core module 200 expand along its length direction after, can release certain installation space through compression regulating part 400 to release electric core module 200's bulging force, avoid the condition that the pressure that receives after electric core module 200 expands is too big and the weeping appears, be convenient for improve electric core module 200's operational reliability and stability, be convenient for prolong battery package subassembly 1's life.

Therefore, according to the utility model discloses according to regulating part 400, through setting up telescopic regulating part 400, can release electric core module 200's bulging force after electric core module 200 ages the inflation, improve battery package subassembly 1's operational reliability.

An adjusting member 400 for a battery pack assembly 1 according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

In some embodiments of the present invention, as shown in fig. 1 to 7, an adjusting member 400 for a battery pack assembly 1 according to an embodiment of the present invention includes a connecting portion 410, an elastic portion 420, and a fixing plate 430.

Alternatively, the moving stroke of the connection part 410 may be 0.5 to 300 mm. Further, the moving stroke of the connection part 410 may be 1-30 mm.

Specifically, as shown in fig. 7, the connection part 410 has a first connection hole 411, the fixing plate 430 has a second connection hole 431 at a corresponding position, and the connection part 410 and the fixing plate 430 are connected by a positioning link 440 fitted in the first connection hole 411 and the second connection hole 431. This facilitates the assembly of the adjusting member 400 and the telescopic deformation of the adjusting member 400.

More specifically, the positioning link 440 is fixedly connected to the connecting portion 410 and can move synchronously with the connecting portion 410, and the positioning link 440 is movable relative to the fixing plate 430 in a length direction of the positioning link 440. Thus, the positioning link 440 can move the connecting portion 410 relative to the fixing plate 430. Meanwhile, the positioning link 440 may position and guide the movement of the connection part 410.

Optionally, the number of the positioning connecting rods 440 is multiple, and the plurality of positioning connecting rods 440 are disposed near corners of the outer edge of the connecting portion 410, so as to avoid the cell module 200. The fixing plate 430 has a mounting hole 432, the mounting hole 432 extends in the height direction of the fixing plate 430, and the fixing plate 430 is coupled to the bottom surface of the case 100 by a bolt fitted in the mounting hole 432.

Further, the positioning link 440 may be a rivet having a caulk end and a fixed end. During manufacturing, the pressing end of the rivet is riveted with the connecting portion 410 into a whole, after the elastic portion 420 is assembled in place, the fixed end of the rivet firstly penetrates through the fixing plate 430, and then the rivet and the end of the fixing plate 430 are flattened by a riveting tool so as not to be separated from the rivet hole of the fixing plate 430, and the rivet can move in the rivet hole of the fixing plate 430, so that the positioning connecting rod 440 can move synchronously along with the connecting portion 410. In some embodiments, the connection portion 410 is formed as a connection plate having a first connection hole 411 thereon, the fixing plate 430 has a second connection hole 431 at a corresponding position, and the connection plate and the fixing plate 430 are connected by a positioning link 440 fitted in the first connection hole 411 and the second connection hole 431. This facilitates the assembly of the adjusting member 400 and the telescopic deformation of the adjusting member 400.

Specifically, the positioning link 440 is fixedly connected to the connection plate and can move in synchronization with the connection plate, and the positioning link 440 is movable relative to the fixed plate 430 in a length direction of the positioning link 440. Thus, the positioning link 440 can move the connecting portion 410 relative to the fixing plate 430. Meanwhile, the positioning link 440 may position and guide the movement of the connection part 410.

The positioning connecting rods 440 are a plurality of, and the plurality of positioning connecting rods 440 are arranged at the corners close to the outer edges of the connecting plates, so as to avoid the cell modules 200. The fixing plate 430 has a mounting hole 432, the mounting hole 432 extends in the height direction of the fixing plate 430, and the fixing plate 430 is coupled to the bottom surface of the case 100 by a bolt fitted in the mounting hole 432.

Further, the positioning link 440 may be a rivet having a caulk end and a fixed end. During manufacturing, the pressing end of the rivet is riveted with the connecting plate into a whole, after the elastic part 420 is assembled in place, the fixed end of the rivet firstly penetrates through the fixing plate 430, then the rivet and the end of the fixing plate 430 are flattened by a riveting tool, so that the rivet cannot be separated from the rivet hole of the fixing plate 430, and the rivet can move in the rivet hole of the fixing plate 430, so that the positioning connecting rod 440 can move synchronously along with the connecting plate.

According to another aspect of the present invention, the battery pack assembly 1 comprises the adjusting member 400 for the battery pack assembly 1 of the above embodiment.

According to the utility model discloses battery package subassembly 1, because according to the utility model discloses an adjusting part 400 for battery package subassembly 1 of above-mentioned embodiment has above-mentioned technological effect, consequently, according to the utility model discloses battery package subassembly 1 also has corresponding technological effect, can release advantages such as electric core module 200's bulging force promptly after the ageing inflation of electric core module 200.

Referring to fig. 1 to 7, a battery pack assembly 1 according to an embodiment of the present invention includes a housing 100, a cell module 200, a limiting member 300, and an adjusting member 400.

A containing cavity 101 is formed in the casing 100, and the battery cell module 200 is arranged in the containing cavity 101. The limiting member 300 is disposed in the accommodating cavity 101, and the limiting member 300 is used for limiting the battery cell module 200 in the height direction of the battery cell module 200. The adjusting member 400 is the adjusting member 400 described in the above embodiments, the adjusting member 400 is disposed in the accommodating cavity 101 and connected to the battery cell module 200, and at least a portion of the adjusting member 400 is retractable along the length direction of the battery cell module 200.

Specifically, the battery pack assembly 1 is a module-less battery pack, that is, a battery pack in which a plurality of battery cells are stacked to form the battery cell module 200, and the battery cell module 200 is disposed in the casing 100. Thereby, the energy density of the battery pack assembly 1 can be greatly improved and the production cost of the battery pack assembly 1 can be greatly reduced.

For example, each battery cell module 200 includes a plurality of battery cells 210 therein, each battery cell 210 is substantially a rectangular parallelepiped structure, the plurality of battery cells 210 are arranged along the width direction thereof to form one battery cell module 200, the width direction of the battery cell 210 is the length direction of the battery cell module 200, and the length direction of the battery cell 210 is the width direction of the battery cell module 200.

It should be understood here that the battery pack assembly 1 is provided with a limiting structure for limiting the length direction and the width direction of the battery cell module 200, for example, the casing 100 may have two sets of side plates oppositely disposed, and the side plate structure may limit the battery cell module 200 in the length direction and the width direction of the battery cell module 200.

According to the utility model discloses battery package subassembly 1, through setting up locating part 300, utilizes locating part 300 to carry on spacingly to electric core module 200 in electric core module 200's direction of height. Adopt the structure to glue among the relative correlation technique and paste fixed mode, not only can save the use that a large amount of structures glued, reduce the manufacturing cost and the whole weight of battery package subassembly 1, improve the energy density of battery package subassembly 1, be convenient for moreover dismantle and maintain battery package subassembly 1, prevent that the electric core 210 that has damaged can not demolish or damage the condition of other electric cores 210 when demolising the electric core 210 that has damaged violently. Meanwhile, the situation that the structural adhesive cannot be thoroughly removed to cause maintenance failure can be avoided, and the structural flexibility of the battery pack assembly 1 is improved conveniently.

Meanwhile, the battery core module 200 is fixed by adopting a structural adhesive pasting mode, new fixing adhesive needs to be replaced when the battery pack assembly is assembled again after being disassembled, the disassembling and maintaining cost is further increased, and the battery pack assembly 1 can be assembled again under the condition that the limiting part 300 is not replaced.

That is to say, carry on spacingly to electric core module 200 through setting up locating part 300, can improve electric core module 200's detachability, avoid leading to scrapping of whole battery package subassembly 1 because of the damage of individual electric core 210, be convenient for improve battery package subassembly 1's life, reduce battery package subassembly 1's use cost.

And, by providing the adjusting member 400, at least a portion of the adjusting member 400 is made to be stretchable in the longitudinal direction of the battery cell module 200. Install electric core module 200 and regulating part 400 in casing 100 together like this, after the ageing inflation of electric core 210 in electric core module 200 made electric core module 200 expand along its length direction, can release certain installation space through compression regulating part 400, thereby release electric core module 200's bulging force, avoid the too big condition that appears the weeping of the pressure that receives after electric core module 200 inflation, be convenient for improve electric core module 200's operational reliability and stability, further be convenient for prolong battery package subassembly 1's life.

That is to say, the battery pack assembly 1 can avoid the battery cell module 200 to be bonded on the casing 100 by setting up the limiting member 300 and the adjusting member 400 when utilizing the limiting member 300 to reliably limit the battery cell module 200, and the expansion force of the battery cell module 200 can be released by compressing the adjusting member 400 after the battery cell 210 in the battery cell module 200 is aged and expanded.

Therefore, according to the utility model discloses battery package subassembly 1 has and is convenient for dismantle and maintain battery package subassembly 1, can release advantages such as electric core module 200's bulging force after electric core module 200 ages the inflation.

A battery pack assembly 1 according to an embodiment of the present invention is described below with reference to the accompanying drawings.

In some embodiments of the present invention, as shown in fig. 1 to 7, a battery pack assembly 1 according to an embodiment of the present invention includes a housing 100, a cell module 200, a limiting member 300, and an adjusting member 400.

Specifically, as shown in fig. 2, the adjusting member 400 is provided at least at one end of the cell module 200 in the longitudinal direction and abuts against a side end surface of the cell module 200. Therefore, the cell module 200 can be limited in the length direction of the cell module 200 by using the adjusting part 400, the setting reliability of the cell module 200 is improved, and after the cell module 200 expands along the length direction, the cell module 200 can obtain a larger mounting space by compressing the adjusting part 400, so that the expansion force of the cell module 200 is released.

In some specific embodiments, in the length direction of the battery cell module 200, one end of the battery cell module 200 abuts against a side plate or a limiting structure of the casing 100, and the other end of the battery cell module 200 abuts against the adjusting member 400. Of course, in other embodiments, both ends of the cell module 200 may respectively abut against two different adjusting members 400 in the length direction of the cell module 200.

In some embodiments, as shown in fig. 7, the adjusting member 400 includes a connecting portion 410 and an elastic portion 420, the connecting portion 410 is connected to the cell module 200 and is movable along the length direction of the cell module 200, and the elastic portion 420 drives the connecting portion 410 to abut against the cell module 200. Can utilize elasticity portion 420 to make connecting portion 410 paste tight electric core module 200 like this, improve the spacing effect to electric core module 200, avoid electric core module 200 to take place to rock in the course of the work, still conveniently obtain bigger installation space through extrusion elasticity portion 420 after electric core module 200 expands, be convenient for smoothly release electric core module 200's bulging force.

Alternatively, the moving stroke of the connection part 410 may be 0.5 to 300 mm.

Alternatively, as shown in fig. 7, the adjusting member 400 further includes a fixing plate 430, the fixing plate 430 is connected to the housing 100, the connecting portion 410 is formed as a connecting plate, and the elastic portion 420 is sandwiched between the fixing plate 430 and the connecting plate. This facilitates installation of the adjusting member 400 into the housing 100, facilitates installation by an operator, and improves installation convenience and installation efficiency of the adjusting member 400.

That is, the adjuster 400 includes a connecting portion 410, an elastic portion 420, and a fixing plate 430, and the elastic portion 420 is sandwiched between the fixing plate 430 and the connecting plate, so that the adjuster 400 is installed in the housing 100 after being integrally assembled.

In some embodiments, as shown in fig. 7, the adjusting member 400 includes a connecting plate, an elastic part 420, and a fixing plate 430, wherein the fixing plate 430 is a profile structure, and the connecting plate is a plate structure. The connecting plate has a first connecting hole 411, the fixing plate 430 has a second connecting hole 431 with a corresponding position, the connecting plate and the fixing plate 430 are assembled together by a positioning link 440 fitted in the first connecting hole 411 and the second connecting hole 431, wherein the positioning link 440 is fixedly connected with the connecting plate and can move synchronously with the connecting plate, and the positioning link 440 can move relative to the fixing plate 430 in the length direction of the positioning link 440. The positioning connecting rods 440 are a plurality of, and the plurality of positioning connecting rods 440 are arranged at the corners close to the outer edges of the connecting plates, so as to avoid the cell modules 200. The fixing plate 430 has a mounting hole 432, the mounting hole 432 extends in the height direction of the fixing plate 430, and the fixing plate 430 is coupled to the bottom surface of the case 100 by a bolt fitted in the mounting hole 432.

Alternatively, as shown in fig. 7, a side surface of the fixing plate 430 facing the connecting plate is provided with a plurality of positioning holes 433, and the springs 421 are adapted to be fitted in the positioning holes 433 in a one-to-one correspondence.

Further, as shown in fig. 7, the elastic part 420 includes a plurality of springs 421, a mounting space is provided between the fixing plate 430 and the connecting plate, and the plurality of springs 421 are disposed at intervals in the mounting space. Therefore, stress on each part of the connecting plate is more uniform, the cell module 200 is further convenient to reliably limit, and the moving stability of the connecting plate can be improved after the cell module 200 expands, so that the connecting plate can stably move towards the fixing plate 430.

Alternatively, the number of the springs 421 may be 1 to 500, the spring constant K of each spring 421 may range from 1 to 2000N/mm, and the stroke of the rivet moving in the rivet hole of the fixing plate 430 may be 0.5 to 300 mm. Further, the spring may be a compression spring.

Optionally, as shown in fig. 1, the number of the cell modules 200 is multiple, and a plurality of the cell modules 200 are distributed in the accommodating cavity 101 in an array. Therefore, the power storage capacity of the battery pack assembly 1 can be increased, and the driving range of the whole vehicle is increased.

Specifically, as shown in fig. 3, the limiting member 300 includes one or more first limiting beams 310, the first limiting beams 310 extend along the length direction of the battery cell modules 200, the accommodating cavity 101 is divided into a plurality of subspaces 102 by the first limiting beams 310, and the plurality of battery cell modules 200 are respectively disposed in the plurality of subspaces 102 in a one-to-one correspondence manner. The limiting member 300 is provided to limit the height direction of the cell module 200 in each of the subspaces 102. In this way, the plurality of battery cell modules 200 can be respectively and correspondingly arranged in different subspaces 102, so that the plurality of battery cell modules 200 can be conveniently divided into a plurality of groups, the battery cell modules 200 can be conveniently installed and arranged, and the damaged battery cell modules 200 can be quickly found out when the battery pack assembly 1 breaks down, so that the battery pack assembly 1 can be conveniently maintained.

In some embodiments, the limiting member 300 includes a plurality of first limiting beams 310, and the plurality of first limiting beams 310 extend along the length direction of the battery cell module 200 and are spaced apart from each other along the width direction of the battery cell module 200.

More specifically, as shown in fig. 5, each first limiting beam 310 includes a beam body 311 and a pressing plate 312, the beam body 311 is connected to the casing 100, the pressing plate 312 is connected to the beam body 311, and the pressing plate 312 is located at the top end of the beam body 311 and is adapted to abut against the upper surface of the cell module 200 (the up-down direction is shown by an arrow a in fig. 1). In this way, not only can the first limiting beam 310 be firmly connected to the casing 100, but also the pressing plate 312 can be used to reliably limit the cell module 200, thereby preventing the cell module 200 from moving in the height direction.

Alternatively, the beam body 311 may be an aluminum member, and the pressing plate 312 may be a plastic member. The beam body 311 and the pressure plate 312 may be an integrally extruded, unitary piece. Of course, the beam body 311 and the pressing plate 312 may also be detachably connected, and the beam body 311 and the pressing plate 312 are fixedly installed through a limiting structure.

In some specific embodiments, both ends of the beam body 311 in the length direction and/or the lower end of the beam body 311 are fixedly connected to the casing 100, the pressing plate 312 is fixedly connected to the top end of the beam body 311, and the battery cell module 200 is clamped between the lower surface of the pressing plate 312 and the inner bottom surface of the casing 100.

It should be understood here that the first limiting beam 310 may be detachably disposed on the casing 100, and at this time, when detaching the battery cell module 200, the first limiting beam 310 may be detached first, and then the battery cell module 200 is detached, and the first limiting beam 310 may be connected to the casing 100 by a screw connection or a clamping connection. Of course, the first limiting beam 310 may also be non-detachably disposed on the casing 100, at this time, when detaching the battery cell module 200, the side plate of the casing 100 may be detached first, and then the battery cell module 200 is detached, and the first limiting beam 310 may be connected to the casing 100 by riveting or welding.

Optionally, as shown in fig. 3, the limiting member 300 further includes a second limiting beam 320, the second limiting beam 320 extends along the width direction of the battery cell module 200, and the second limiting beam 320 is respectively connected to the plurality of first limiting beams 310 in a crossing manner. Not only can utilize the spacing roof beam 320 of second to carry on spacingly to the length direction of electric core module 200 like this, improve electric core module 200 set up the reliability, set up the structural strength that the spacing roof beam 320 of second can strengthen battery package subassembly 1 moreover, improve battery package subassembly 1's shock resistance.

In some embodiments, as shown in fig. 4, the cell module 200 further includes insulation sheets 500, and the insulation sheets 500 are respectively disposed at two ends of the cell module 200 in the width direction and completely cover two end surfaces of the cell module 200. The cell module 200 is further provided with a module output pole 600 adapted to be connected to an external structure.

In some embodiments, during the process of assembling the battery pack assembly 1, the battery cells 210 may be optionally stacked into the module-less battery cell module 200, and then the battery cell module 200 is placed in the casing 100, and then the first limiting beam 310 is screwed or riveted on the casing 100, so as to complete the compression and limiting of the battery cell module 200.

Optionally, after the assembly of the battery pack assembly 1 is completed, the pre-tightening force applied to the battery cell module 200 by the adjusting member 400 may be 1000-5000N.

Optionally, the battery pack assembly 1 further includes a water-cooling plate, and the cell module 200 is mounted on the water-cooling plate.

According to another aspect embodiment of the present invention, the vehicle includes the battery pack assembly 1 of the above embodiment.

According to the utility model discloses the vehicle, because according to the utility model discloses battery package subassembly 1 of above-mentioned embodiment has above-mentioned technological effect, consequently, according to the utility model discloses the vehicle also has corresponding technological effect, even if be convenient for dismantle and maintain battery package subassembly 1, can release advantages such as electric core module 200's expansibility after the ageing inflation of electric core module 200.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustment member (400) for a battery pack assembly (1), comprising:

a connection portion (410), the connection portion (410) being connected to a cell module (200) of the battery pack assembly (1) and being movable in a length direction of the cell module (200);

an elastic part (420), wherein the elastic part (420) always drives the connecting part (410) to be stopped against the battery cell module (200);

a fixing plate (430), the fixing plate (430) being connected to the case (100) of the battery pack assembly (1), the elastic part (420) being sandwiched between the fixing plate (430) and the connecting part (410).

2. The adjusting member (400) for a battery pack assembly (1) according to claim 1, wherein the connecting part (410) has a first connecting hole (411) thereon, the fixing plate (430) has a second connecting hole (431) thereon at a corresponding position, and the connecting part (410) and the fixing plate (430) are connected by a positioning link (440) fitted in the first connecting hole (411) and the second connecting hole (431).

3. The adjusting member (400) for a battery pack assembly (1) according to claim 2, wherein the positioning link (440) is fixedly connected to the connecting part (410) and moves in synchronization with the connecting part (410), and the positioning link (440) is movable relative to the fixing plate (430) in a length direction of the positioning link (440).

4. A battery pack assembly (1), comprising:

the device comprises a shell (100), wherein an accommodating cavity (101) is formed in the shell (100);

the battery cell module (200), the battery cell module (200) is arranged in the accommodating cavity (101);

the limiting piece (300) is arranged in the accommodating cavity (101), and the limiting piece (300) is used for limiting the battery cell module (200) in the height direction of the battery cell module (200);

an adjustment member (400), wherein the adjustment member (400) is the adjustment member (400) according to any one of claims 1 to 3, the adjustment member (400) is disposed in the accommodation cavity (101) and connected to the cell module (200), and at least a portion of the adjustment member (400) is retractable along a length direction of the cell module (200).

5. The battery pack assembly (1) according to claim 4, wherein the adjusting piece (400) is provided at least at one end of the cell module (200) in the longitudinal direction and abuts against a side end face of the cell module (200).

6. The battery pack assembly (1) according to claim 5, wherein the cell module (200) is in plurality, and a plurality of the cell modules (200) are distributed in an array in the accommodating cavity (101).

7. The battery pack assembly (1) of claim 6, wherein the retainer (300) comprises:

the battery cell module comprises one or more first limiting beams (310), the first limiting beams (310) extend along the length direction of the battery cell module (200), the accommodating cavity (101) is divided into a plurality of subspaces (102) by the first limiting beams (310), and the battery cell modules (200) are respectively and correspondingly arranged in the subspaces (102).

8. The battery pack assembly (1) of claim 7, wherein each of the first restraint beams (310) comprises:

a beam body (311), the beam body (311) being connected to the housing (100);

the pressing plate (312) is connected with the beam body (311), and the pressing plate (312) is located at the top end of the beam body (311) and is suitable for being abutted to the upper surface of the cell module (200).

9. The battery pack assembly (1) of claim 7, wherein the retainer (300) further comprises:

the second limiting beam (320) extends along the width direction of the battery cell module (200), and the second limiting beam (320) is connected with the first limiting beams (310) in a crossed mode.

10. A vehicle, characterized by comprising a battery pack assembly (1) according to any one of claims 4-9.