CN218351641U - Integrated cover plate assembly and battery module - Google Patents

Abstract

The utility model provides an integrated apron subassembly and battery module. This integrated apron subassembly includes: the bus piece is provided with a fixing through hole; pencil division board has seted up the holding tank on the pencil division board, and the piece is located the holding tank, and it has the bulge to stick to stretch in the holding tank, and it has fixed the knot to hold the protruding extension in groove edge, and pencil division board, bulge and fixed knot are plastic uptake fashioned integral type structure, and fixed knot connects with the upper surface lock joint of piece, and the bulge cooperates with the fixed through-hole joint to prevent that the piece from following the holding inslot and deviating from. The technical scheme of the utility model the integrated apron subassembly can solve and adopt in the current integrated apron subassembly piece and the pencil division board fixed insecure to and change the problem that fixed mode need increase the process.

Description

Integrated cover plate assembly and battery module

Technical Field

The utility model relates to a battery technology field particularly, relates to an integrated apron subassembly and battery module.

Background

The integrated cover plate assembly is an important part in the battery module and comprises a wire harness isolation plate and a bus bar, and the bus bar is arranged on the wire harness isolation plate to realize the function of electric conduction.

In order to fix the blade to the harness spacer, a harness spacer known to the inventor is provided with a receiving groove for receiving the blade, and a snap is provided at an edge of the receiving groove to fix the blade in the receiving groove by catching the edge of the blade. When integrated apron subassembly was in the in-process of removing or transporting, when the vibrations of producing great amplitude, this kind of fixed mode not firm very easily leads to the piece to remove, deviates from the holding tank even.

In order to solve the above-mentioned problems, it is necessary to change the fixing manner of the blade, and since the harness insulating plate known to the inventor is injection-molded, if the fixing manner is changed, it is necessary to add a fixing process such as caulking or the like to reinforce the blade and the harness insulating plate, which may result in a reduction in the assembling efficiency of the components such as the blade and the harness insulating plate.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provide one kind with the battery module, can solve and adopt in the current integrated apron subassembly piece and the fixed insecure of pencil division board to and change the fixed mode and need increase the problem of process.

In order to achieve the above object, according to an aspect of the present invention, there is provided an integrated cover plate assembly, including: the bus piece is provided with a fixing through hole; pencil division board has seted up the holding tank on the pencil division board, and the piece is located the holding tank, and it has the bulge to stick to stretch in the holding tank, and it has fixed the knot to hold the protruding extension in groove edge, and pencil division board, bulge and fixed knot are plastic uptake fashioned integral type structure, and fixed knot connects with the upper surface lock joint of piece, and the bulge cooperates with the fixed through-hole joint to prevent that the piece from following the holding inslot and deviating from.

Further, the bulge includes the section of keeping somewhere, keeps somewhere the diapire that the section is connected with the holding tank, and the external diameter of keeping somewhere the section is equal to or less than fixed through-hole's aperture.

Further, the projection includes a defining section connected with the indwelling section, the defining section being located at an upper portion of the indwelling section, an outer diameter of the defining section being larger than a bore diameter of the fixing through-hole, the leg being restricted below the defining section, the defining section being configured to prevent the leg from coming off the projection.

Further, the inside of the protruding part is hollow, and the protruding part is configured to be capable of generating deformation by compressing the hollow part inside itself to reduce or restore the cross-sectional area of itself.

Further, the projection portion further includes a guide section located above the defining section, an outer diameter of the guide section being equal to or smaller than the aperture of the fixing through-hole.

Further, the included angle of the limiting section and the edge connecting line of the guiding section on the horizontal plane is an acute angle, and the acute angle is larger than 70 degrees and smaller than 90 degrees.

Furthermore, an included angle is formed between the lower surface of the fixing buckle and the bottom wall of the accommodating groove, and the included angle is an acute angle.

Further, the fixing buckles are provided with at least two, and the fixing buckles with more than two are evenly arranged along at least one edge of the accommodating groove at intervals.

Further, still protruding extension has the brace table in the holding tank, and the brace table forms an organic whole structure through the plastic uptake shaping mode with the pencil division board, and the upper surface of brace table contacts with the lower surface of piece, and the brace table is constructed to be able to support the piece.

According to the utility model discloses an aspect provides a battery module, including insulating piece, electric core, module end plate, module curb plate, module upper cover plate and above-mentioned integrated apron subassembly.

Use the technical scheme of the utility model, increase the bulge on the pencil division board, detain with fixed the piece of the stick through bulge and fixed and fix on the pencil division board, the fixed mode of fixing hole and bulge lock joint, combine the piece of the stick and the fixed mode of detaining the joint, mutually support, it is firm to make the piece of the stick fixed, in addition, the bulge, fixed knot and pencil division board formula structure as an organic whole, make bulge and fixed knot both relative pencil division boards's firmness increase, and then increase the relative pencil division board's of piece of the stick firmness. In addition, the bulge is integrated with the wiring harness isolation plate through the plastic suction molding process, the fixing process of riveting is not required to be additionally added to reinforce the bus bar and the wiring harness isolation plate, the bus bar and the wiring harness isolation plate can be assembled together in a mode of buckling the bus bar on the bulge, and the assembly efficiency of the bus bar and the wiring harness isolation plate can be relatively improved in the clamping mode relative to the riveting mode.

Drawings

The accompanying drawings, which form a part of the specification, 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 and not to constitute a limitation on the invention. On the attachment

In the figure:

fig. 1 shows a schematic structural view of an integrated cover plate assembly of an embodiment of the present invention;

FIG. 2 shows an exploded view of FIG. 1;

FIG. 3 shows a schematic structural view of the wire harness spacer of FIG. 1;

FIG. 4 shows a partial enlarged view of FIG. 2;

FIG. 5 shows a top view of the wire harness spacer of FIG. 1;

FIG. 6 is an enlarged view ofbase:Sub>A portion of FIG. 5 in the direction of A-A;

FIG. 7 is an enlarged view of a portion of FIG. 5 in the direction B-B;

FIG. 8 shows a schematic structural view of the bus bar of FIG. 1;

FIG. 9 shows a schematic structural view of the line fixing bracket of FIG. 1; and

fig. 10 shows a schematic structural view of the splints-fixing bracket of fig. 1.

Wherein the figures include the following reference numerals:

10. a tablet; 11. a fixing through hole; 12. a flow surface; 13. an arch bridge; 20. a wire harness isolation plate; 21. accommodating a tank; 211. a through hole; 212. insulating ribs; 22. a projection; 221. a retention section; 222. defining a segment; 223. a guide section; 23. a fixing buckle; 24. A support table; 25. an explosion-proof groove; 26. a line slot; 30. a circuit fixing bracket; 31. carrying out hot riveting on the column; 40. collecting a line; 50. An output stage buck; 60. a bablet fixing bracket; 61. erecting an arm; 62. and (5) buckling.

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 below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-5 in combination, the present invention provides an integrated cover plate assembly. This integrated apron subassembly includes: the bus bar piece 10 is provided with a fixing through hole 11; pencil division board 20, holding tank 21 has been seted up on pencil division board 20, piece 10 is located holding tank 21, the protruding extension has protrusion 22 in the holding tank 21, holding tank 21 marginal protruding extension has fixed knot 23, pencil division board 20, protrusion 22 and fixed knot 23 are plastic uptake fashioned integral type structure, fixed knot 23 and the upper surface lock joint of piece 10, protrusion 22 and the cooperation of 11 joints of fixed through-hole to prevent that piece 10 from deviating from in holding tank 21.

In this embodiment, the bus bar 10 and the harness isolation plate 20 have two fixing structures, the first is fixed by the fixing through hole 11 to be sleeved into the protrusion 22, and the second is fixed by the upper surface of the bus bar 10 to be fastened to the fixing buckle 23. Because the fixing through hole 11 is matched with the bulge 22, and the bulge 22 and the wiring harness isolation plate 20 are of a plastic-sucking integrated structure, no connecting gap exists between the bulge 22 and the wiring harness isolation plate, the stability of the bulge 22 is ensured, and the bus bar 10 cannot be easily separated from the wiring harness isolation plate 20. The connection step of the bus bar 10 and the fixing buckle 23 is the same as the connection step of the bus bar 10 and the buckle in the injection-molded wire harness isolation plate 20, the connection step of the bus bar 10 and the protrusion 22 only needs to press the bus bar 10 towards the protrusion 22, so that the connection of the bus bar 10 and the protrusion 22 can be realized, the design of the protrusion 22 realizes the function of reinforcing the bus bar 10 and the wire harness isolation plate 20, and compared with the mode of reinforcing the bus bar 10 and the wire harness isolation plate 20 by adding a riveting process on the injection-molded wire harness isolation plate 20, the scheme adopts the clamping mode of the protrusion 22 and the bus bar 10, so that the assembly efficiency of the bus bar 10 and the wire harness isolation plate 20 is higher.

The receiving grooves 21 are plural, and the plural receiving grooves 21 are divided into two groups, respectively located at the edges of the two long sides of the harness isolation plate 20, to receive a sufficient number of the blades 10. The plurality of receiving grooves 21 in each group are arranged at intervals along the length direction of the wire harness isolation plate 20, the length direction is the direction indicated in fig. 1, and each group of receiving grooves 21 is arranged at intervals along the width direction of the wire harness isolation plate 20, and the width direction is the direction indicated in fig. 1.

The material of the wire harness isolation plate 20 is PC or PET, the weight of the wire harness isolation plate 20 can be reduced while a plastic suction molding process is used, and the thickness of the wire harness isolation plate 20 is 0.1 mm-1 mm.

Referring to fig. 6, in an embodiment of the present invention, the protruding portion 22 includes a retention section 221, the retention section 221 is connected to the bottom wall of the accommodation groove 21, and the outer diameter of the retention section 221 is equal to or smaller than the aperture of the fixing through hole 11.

In this embodiment, the bar piece 10 is sleeved on the indwelling section 221 of the protruding portion 22, the cross section of the indwelling section 221 and the fixing through hole 11 are both circular, preferably, the outer diameter of the indwelling section 221 is equal to the aperture of the fixing through hole 11, so that the surface of the indwelling section 221 abuts against the inner wall of the fixing through hole 11, and the bar piece 10 is prevented from moving relative to the protruding portion 22 after being sleeved on the protruding portion 22, thereby increasing the firmness of the fixed connection between the bar piece 10 and the protruding portion 22.

Referring to fig. 6 in combination, in an embodiment of the present invention, the protruding portion 22 includes a limiting section 222 connected to the indwelling section 221, the limiting section 222 is located at an upper portion of the indwelling section 221, an outer diameter of the limiting section 222 is larger than an aperture of the fixing through-hole 11, the strap 10 is limited below the limiting section 222, and the limiting section 222 is configured to prevent the strap 10 from being detached from the protruding portion 22.

In the present embodiment, the fixing through hole 11 of the bar 10 is sleeved on the protruding portion 22 from top to bottom, i.e. from the limiting section 222 to the detaining section 221, and when the bar 10 is located at the detaining section 221, the limiting section 222 is used for preventing the bar 10 from easily separating from the protruding portion 22 from bottom to top, so as to limit the bar 10 at the detaining section 221, and to increase the stability of the connection of the bar 10 and the wire harness isolation plate 20.

Referring to fig. 6 in combination, in an embodiment of the present invention, the protrusion 22 is hollow inside, and the protrusion 22 is configured to be deformed by compressing the hollow portion inside itself to reduce or restore the cross-sectional area of itself.

In this embodiment, because the bulge 22 is plastic uptake shaping, and inside cavity, can take place deformation, cooperate the material characteristic of bulge 22, in the in-process of fixing through hole 11 cover at bulge 22 from top to bottom, fixing through hole 11's marginal extrusion limits section 222, it compresses hollow position to limit section 222 atress, the space that passes through is provided for fixing through hole 11, after limiting section 222 and passing fixing through hole 11, it no longer receives the extrusion force to limit section 222, the production kick-backs, resume original shape, it can't deviate from bulge 22 easily to limit piece 10. The hollow design of the interior ensures that the bar piece 10 can be smoothly installed on the protruding part 22, and also ensures that the bar piece 10 cannot be easily separated after being connected with the protruding part 22, so as to increase the connection firmness of the bar piece 10 and the wire harness isolation plate 20.

Referring to fig. 6 in combination, in an embodiment of the present invention, the protruding portion 22 further includes a guiding section 223, the guiding section 223 is located above the limiting section 222, and an outer diameter of the guiding section 223 is equal to or smaller than the aperture of the fixing through hole 11.

In the present embodiment, during the installation of the blade 10 and the protruding portion 22, the through hole 211 of the blade 10 is sequentially sleeved to the indwelling section 221 from the guiding section 223 and the limiting section 222, on one hand, the guiding section 223 is used for facilitating the positioning of the blade 10 and the protruding portion 22, and on the other hand, the guiding section 223 is used for providing a guiding direction for the movement of the blade 10, so that the blade 10 facilitates the installation of the blade 10 and the protruding portion 22 along the guiding section 223 to the limiting section 222.

Referring to fig. 6 in combination, in one embodiment of the present invention, the included angle between the edge line of the limiting section 222 and the guiding section 223 on the horizontal plane is an acute angle, and the acute angle is greater than 70 ° and smaller than 90 °.

In the present embodiment, as shown in fig. 6, ≦ 1 in fig. 6 is an included angle on a horizontal plane between the edge connecting line of the limiting section 222 and the guiding section 223, the included angle is used for limiting the specific structure of the protruding portion 22 and ensuring the formation of the guiding section 223, the limiting section 222 and the indwelling section 221, and the guiding section 223, the limiting section 222 and the indwelling section 221 of the protruding portion 22 are sequentially and smoothly connected from top to bottom to form an integrated structure.

Referring to fig. 7, in an embodiment of the present invention, an included angle is formed between the lower surface of the fixing buckle 23 and the bottom wall of the accommodating groove 21, and the included angle is an acute angle.

In this embodiment, as shown in fig. 7, the angle ≧ 2 in fig. 7 is the included angle between the lower surface of the fixing buckle 23 and the bottom wall of the receiving groove 21. The upper surface of the fixing buckle 23 is a plane, the bottom surface is an inclined surface, and the fixing buckle is clamped with the edge of the bar piece 10, the bar piece 10 moves from the upper position or one side position to the lower position of the fixing buckle 23 for fixing, the direction of the bar piece 10 separating from the accommodating groove 21 is from the lower position to the upper position of the fixing buckle 23, and the fixing buckle 23 is of the structure shown in fig. 7, so that the bar piece 10 cannot be easily separated from the lower position of the fixing buckle 23.

Referring to fig. 1 to 5, in an embodiment of the present invention, at least two fixing buckles 23 are provided, and more than two fixing buckles 23 are arranged along at least one edge of the accommodating groove 21 at regular intervals.

In this embodiment, a plurality of fixing buckles 23 are arranged along an edge of the accommodating groove 21 at regular intervals, so that the bus bar 10 can be conveniently installed in the accommodating groove 21, and all the fixing buckles 23 are matched to fix and position the edge of one side of the bus bar 10 in the accommodating groove 21, thereby increasing the fixing degree of the bus bar 10 and the wire harness isolation plate 20.

Referring to fig. 1 to 5, in an embodiment of the present invention, a supporting platform 24 is further protruded and extended in the accommodating groove 21, the supporting platform 24 and the wire harness isolation board 20 form an integrated structure through a plastic molding manner, an upper surface of the supporting platform 24 contacts with a lower surface of the bablet 10, and the supporting platform 24 is configured to support the bablet 10.

In this embodiment, as shown in fig. 9, the flap 10 comprises at least two flow surfaces 12 and an arched bridge 13 connecting adjacent flow surfaces 12, the upper surface of the arched bridge 13 being lower than the flow surfaces 12. The number of the supporting platforms 24 of the accommodating groove 21 is larger than the number of the overflowing surfaces 12, at least one side of the bottom surface of each overflowing surface 12 is supported by one supporting platform 24, the movement of the splints 10 in the accommodating groove 21 is prevented, and the stability of the splints 10 relative to the accommodating groove 21 is increased.

The utility model also provides a battery module, including insulating piece, electric core, module end plate, module curb plate, module upper cover plate and above-mentioned integrated apron subassembly.

In this embodiment, insulating piece, electric core, module end plate, module curb plate, module upper cover plate that the battery module includes are prior art. As shown in fig. 3 to 5, through holes 211 are formed in the bottom wall of the accommodating groove 21, the number of the through holes 211 is the same as that of the flow surfaces 12, each flow surface 12 is aligned with one through hole 211, and the through holes 211 are used for connecting the cells in series or in parallel through the bus bar 10 after the cell poles penetrate through; be provided with insulating muscle 212 between per two through-holes 211 of diapire of holding tank 21, the quantity of insulating muscle 212 is the same with the quantity of arch bridge 13, insulating muscle 212 and the lower surface contact of arch bridge 13 for support arch bridge 13, still be used for separating piece 10 and electric core, insulating muscle 212 and pencil division board 20 are through plastics sucking-cutting technology integrated into one piece, prevent that the battery module from receiving when extrusion or vibration for piece 10 leads to the short circuit with the unexpected contact of electric core.

Referring to fig. 3 and 5, in an embodiment of the present invention, the wire harness isolation plate 20 is provided with an anti-explosion groove 25 along the length direction, and the anti-explosion groove 25 is located at one side of the accommodating groove 21.

In this embodiment, explosion-proof groove 25 is by plastic uptake technology integrated into one piece, and explosion-proof groove 25 is the deep trouth structure, and its bottom leads to the material thickness attenuation owing to the material flow during plastic uptake, and when being convenient for generate heat out of control at electric core, the diapire of explosion-proof groove 25 can be broken easily to electric core explosion-proof valve, with the inside heat of battery discharge fast, avoids causing the chain reaction of out of control in the battery module.

Referring to fig. 3 and 5, in an embodiment of the present invention, the wire harness isolation board 20 further has a wire slot 26 extending along a length direction thereof. Line groove 26 is located between explosion-proof groove 25 and holding tank 21, and integrated apron subassembly still includes gathers circuit 40, gathers circuit 40 and fixes in line groove 26.

In this embodiment, the line slot 26 provides a receiving space for the collecting line 40, facilitates fixing and placing of the collecting line 40, prevents the collecting line 40 from moving to affect the collecting precision, and facilitates the collecting line 40 to be electrically connected with the bus bar 10. The acquisition circuit 40 is connected with the bus bar 10 in a welding or riveting mode and is used for collecting the information of the battery cell into the connector and outputting the information of the battery cell externally in a unified manner. The acquisition circuit 40 is prior art.

Referring to fig. 1 and 9 in combination, in an embodiment of the present invention, the integrated cover plate assembly further includes a circuit fixing bracket 30, and the circuit fixing bracket 30 is fixed at the end of the wire harness isolation plate 20 and is located between the wire harness isolation plate 20 and the end of the collecting circuit 40.

In this embodiment, the protruding at least two hot riveting posts 31 that extend of circuit fixed bolster 30 upper surface, two at least hot riveting holes have been seted up to the tip of gathering circuit 40, circuit fixed bolster 30 is glued at the tip of pencil division board 20 back through the gum or the UV of self lower surface setting, and hot riveting post 31 is connected with the cooperation of hot riveting hole to fix gathering circuit 40 on pencil division board 20, be used for preventing to gather circuit 40 and produce the displacement, guarantee the stability of integrated apron subassembly.

Referring to fig. 1 and 10, in an embodiment of the present invention, the integrated cover plate assembly further includes an output stage fin 50 and a fin fixing bracket 60, the output stage fin 50 is fixed on the fin fixing bracket 60, and the fin fixing bracket 60 is fixed on the wire harness isolation plate 20.

In this embodiment, the leg fixing bracket 60 is L-shaped, and has a vertical arm 61 protruding from an edge thereof, a latch 62 protruding from the vertical arm 61, and the output stage leg 50 is located below the vertical arm 61 and fixed to the leg fixing bracket 60 by the latch 62. The piece fixed bolster 60 is glued at the corresponding position department of pencil division board 20 through the gum or the UV of self lower surface setting to fix output stage piece 50 on pencil division board 20, be used for preventing that output stage piece 50 from producing the displacement, guarantee the stability of integrated apron subassembly.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

(1) By using a plastic suction molding process, the bulge 22 and the fixing buckle 23 of the fixing piece 10 and the wiring harness isolation plate 20 form an integrated structure, so that the fixing of the piece 10 is firmer;

(2) The wiring harness isolation plate 20 is formed by using PC or PET plastic suction, so that the weight is reduced, the weight of the whole integrated cover plate assembly is reduced, the weight of the battery module is further reduced, for an electric automobile, the endurance mileage can be improved due to the reduction of the self weight, and the performance of the whole automobile is improved;

(3) Besides the structure for fixing the bus bar piece 10, the line fixing bracket 30 for fixing the acquisition line 40 and the bus bar piece fixing bracket 60 for fixing the output stage bus bar piece 50 are also designed, so that the structure is simple; and the fixing modes between the acquisition circuit 40 and the circuit fixing support 30, between the circuit fixing support 30 and the wiring harness isolation plate 20, between the output-stage bus piece 50 and the bus piece fixing support 60 and between the bus piece fixing support 60 and the wiring harness isolation plate 20 are simple, so that the assembly is convenient and rapid.

The utility model discloses an assembly step of integrated apron subassembly does:

(1) The output-stage bus bar 50 is clamped on the bus bar fixing bracket 60, and then the bus bar fixing bracket 60 is stuck at the corresponding position of the wiring harness isolation plate 20;

(2) Adhering the line fixing bracket 30 to the end of the wire harness isolation plate 20;

(3) The fixing through hole 11 is matched with the convex part 22, the edge of the bus bar piece 10 is matched with the fixing buckle 23, and the bus bar piece 10 is pressed downwards to enable the bus bar piece 10 to enter the accommodating groove 21;

(4) The acquisition line 40 is flatly placed in the line groove 26, and the hot riveting columns 31 of the acquisition line 40 are matched and sleeved with the hot riveting holes of the line fixing support 30;

(5) Welding the corresponding collecting points on the collecting sheet with the bus sheet 10;

(6) And connecting the hot riveting column 31 of the line collection with the hot riveting Kong Remao of the line fixing support 30, and finishing assembly.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An integrated cover plate assembly, comprising:

the bus bar piece (10), wherein a fixing through hole (11) is formed in the bus bar piece (10);

pencil division board (20), holding tank (21) have been seted up on pencil division board (20), piece (10) are located in holding tank (21), protruding extension has protrusion (22) in holding tank (21), holding tank (21) edge protruding extension has fixed knot (23), pencil division board (20) protrusion (22) with fixed knot (23) are the fashioned integral type structure of plastic uptake, fixed knot (23) with the upper surface lock joint of piece (10), protrusion (22) with fixing hole (11) joint cooperation, in order to prevent piece (10) are followed deviate from in holding tank (21).

2. The integrated cover plate assembly according to claim 1, wherein the protrusion (22) comprises a retention section (221), the retention section (221) being connected with a bottom wall of the receiving groove (21), an outer diameter of the retention section (221) being equal to or smaller than a bore diameter of the fixing through hole (11).

3. The integrated cover plate assembly according to claim 2, wherein the protruding portion (22) comprises a defining section (222) connected with a detaining section (221), the defining section (222) is located at an upper portion of the detaining section (221), an outer diameter of the defining section (222) is larger than a bore diameter of the fixing through-hole (11), the web (10) is confined below the defining section (222), and the defining section (222) is configured to prevent the web (10) from escaping from the protruding portion (22).

4. The integrated cover assembly according to any one of claims 1 to 3, wherein the protrusion (22) is hollow inside, and the protrusion (22) is configured to be deformable by compressing the hollow portion inside itself to reduce or restore the cross-sectional area thereof.

5. The integrated cover plate assembly according to claim 3, wherein the protrusion (22) further comprises a guide section (223), the guide section (223) being located above the defining section (222), the guide section (223) having an outer diameter equal to or smaller than the bore diameter of the fixing through hole (11).

6. The integrated cover plate assembly according to claim 5, wherein the angle between the limiting section (222) and the edge line of the guiding section (223) in a horizontal plane is an acute angle, the acute angle being greater than 70 ° and smaller than 90 °.

7. The integrated cover plate assembly according to any one of claims 1 to 3, wherein an included angle is formed between the lower surface of the fixing buckle (23) and the bottom wall of the receiving groove (21), and the included angle is an acute angle.

8. The integrated cover plate assembly according to claim 7, wherein the fixing buckles (23) are provided with at least two, more than two fixing buckles (23) being evenly spaced along at least one edge of the receiving groove (21).

9. The integrated cover plate assembly according to any one of claims 1 to 3, wherein a support platform (24) is further protruded from the receiving groove (21), the support platform (24) and the wiring harness isolation plate (20) are formed into an integral structure by plastic suction molding, an upper surface of the support platform (24) is in contact with a lower surface of the batten (10), and the support platform (24) is configured to support the batten (10).

10. A battery module comprising an insulating sheet, cells, module end plates, module side plates, a module upper cover plate, and the integrated cover plate assembly of any one of claims 1 to 9.

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