CN214153048U

CN214153048U - Battery module

Info

Publication number: CN214153048U
Application number: CN202120404255.XU
Authority: CN
Inventors: 何亚飞
Original assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Current assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-09-07
Anticipated expiration: 2031-02-23

Abstract

The utility model discloses a battery module. The utility model discloses well battery module includes: a frame body having a pair of end plate main bodies arranged to face each other; the battery cells are sequentially arranged in the frame body along the extending direction vertical to the end plate main body; the electric connector is electrically connected with each electric core; the reinforcing plate is fixedly connected with the electric connector, and a positioning hole is formed in the reinforcing plate; the connecting seat, the connecting seat sets up in the end plate main part, supports the stiffening plate, has the joint subassembly on the connecting seat, and in the joint subassembly inserted the locating hole, and with the stiffening plate joint, along the extending direction of perpendicular to end plate main part, the radial dimension that the joint subassembly is located the locating hole internal portion is less than the radial dimension of locating hole. Because along the extending direction of perpendicular to end plate main part, the radial dimension that the joint subassembly is located the locating hole internal portion is less than the radial dimension of locating hole, therefore the stiffening plate can remove along the extending direction of perpendicular to end plate, and electric connector can not collapsed this moment.

Description

Battery module

Technical Field

The embodiment of the utility model provides a relate to the battery field, in particular to battery module.

Background

With the rapid development of electric vehicles, the requirements for energy density and safety of battery modules are higher and higher, and the trend of increasing the energy density and reducing the cost of the battery modules is the trend.

And in order to improve the energy density of battery module, can contain a plurality of electric cores in general battery module, a plurality of electric cores are generally arranged in proper order in battery module's framework, in order to realize the electricity to a plurality of electric cores and connect, generally adopt electric connector and each electric core electricity to be connected, for the convenience electric connector is connected with external electrical equipment electricity, generally fix the output part of electric connector on the end plate of framework, and because each electric core is arranged and is set up in the framework, consequently, the accumulative tolerance of installation between each electric core is big, lead to the electric connector to hardly fix the preset position on the end plate, and battery module is in the use, each electric core generates heat the inflation, also can promote the electric connector aversion, lead to the electric connector to damage very easily, and then shorten battery module's life.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a battery module can prolong battery module's life.

In order to solve the above technical problem, an embodiment of the present invention provides a battery module, including:

a frame body having a pair of end plate main bodies arranged to face each other;

the battery cells are sequentially arranged in the frame body along the extending direction perpendicular to the end plate main body;

the electric connector is electrically connected with each battery cell;

the reinforcing plate is fixedly connected with the electric connector, and a positioning hole is formed in the reinforcing plate;

the connecting seat, the connecting seat set up in on the end plate main part, support the stiffening plate, the joint subassembly has on the connecting seat, the joint subassembly inserts in the locating hole, and with the stiffening plate joint, along the perpendicular to the extending direction of end plate main part, the joint subassembly is located the radial dimension of locating hole internal portion is less than the radial dimension of locating hole.

The utility model discloses embodiment is for prior art, when producing accumulative tolerance between each electric core, perhaps when battery module assembles the back, even each electric core generates heat, lead to electric connector along the extending direction of perpendicular to end plate toward shifting outward, owing to along the extending direction of perpendicular to end plate main part, the joint subassembly is located the radial dimension that the inside radial dimension of locating hole is less than the locating hole, consequently the extending direction removal of perpendicular to end plate can be followed to the stiffening plate, and electric connector can not collapsed this moment.

In some embodiments, the connecting seat comprises a seat body supporting the reinforcing plate, and a clamping assembly arranged on the seat body;

wherein, the joint subassembly includes two at least joint spares, every in two at least joint spares includes: the elastic rods are fixedly connected with the seat body, and the clamping joints are positioned at the top ends of the elastic rods;

wherein the at least two snap members are arranged such that when biased towards each other due to the elasticity of the elastic rod, the combined outer profile of the snap joints is smaller than the inner profile of the positioning hole; and when the at least two clamping pieces are in a natural state, the radial dimension of the positioning hole is smaller than the combined radial dimension of the clamping heads of the at least two clamping pieces along the extending direction vertical to the end plate main body, and when the at least two clamping pieces are in the natural state, the radial dimension of the positioning hole is larger than the combined radial dimension of the elastic rods of the at least two clamping pieces.

In one embodiment, the positioning member includes: the length of the elastic rod is greater than the depth of the positioning hole.

In an embodiment, along the extending direction of the end plate main body, the radial dimension of the inner part of the clamping assembly located in the positioning hole is smaller than that of the positioning hole.

In one embodiment, the cross section of the upper section of each bayonet joint combination is gradually reduced from bottom to top.

In an embodiment, the clamping components are a plurality of clamping components, the positioning holes are a plurality of corresponding positioning holes, and the plurality of clamping components are respectively located in the plurality of corresponding positioning holes.

In an embodiment, the number of the clamping assemblies is two, and the two clamping assemblies are oppositely arranged on two sides of the electric connector along the extending direction of the end plate.

In an embodiment, at least a portion of the electrical connector is located below the reinforcing plate, the connecting seat has a receiving cavity, the at least a portion of the electrical connector is located in the receiving cavity, and the electrical connector is located between the two clamping assemblies.

In one embodiment, a concave cavity is formed in the upper end face of the end plate main body, a clamping channel extending downwards is formed in the bottom face of the concave cavity, the seat body is arranged in the concave cavity, and the outer peripheral outline of the seat body is smaller than the inner peripheral outline of the concave cavity;

the connecting seat still includes joint spare, joint spare is followed the bottom surface downwardly extending of seat body to the joint in the joint passageway, the periphery profile of joint spare is less than the inner peripheral profile of joint passageway.

In one embodiment, the height of the clamping piece is smaller than that of the clamping channel, the clamping channel comprises an upper section channel and a lower section channel, and the radial dimension of the lower section channel is larger than that of the upper section channel; and the clip member includes:

the elastic plate extends downwards from the bottom surface of the seat body and is inserted into the upper section channel, and the height of the elastic plate is greater than that of the upper section channel;

the clamping hook is positioned in the lower section channel, and extends from the elastic plate towards the side wall of the lower section channel.

In one embodiment, the clamping channel further comprises: and the transverse channel is arranged towards the extending direction of the clamping hook, one end of the transverse channel is communicated with the lower section channel, and the other end of the transverse channel is exposed outside the end plate.

In one embodiment, the clip further includes: and the first limiting plate and the second limiting plate are oppositely arranged on the elastic plate and on two sides of the clamping hook along the extending direction which is vertical to the clamping hook.

In one embodiment, the connection socket further includes: the vertical guide strip extends from the direction of the seat body to the direction of the cavity wall of the concave cavity;

the cavity wall of the concave cavity is provided with a guide groove for guiding the guide strip to be inserted, and the outer contour of the guide strip is smaller than the inner contour of the guide groove.

In an embodiment, the guide bar is a plurality of guide bars, the guide groove is a corresponding plurality of guide grooves, and the plurality of guide bars are respectively located in the corresponding plurality of guide grooves.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

Fig. 1 is a schematic structural diagram of a battery module according to an embodiment of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is an enlarged view at B in FIG. 1;

fig. 4 is a schematic structural diagram of a connection seat in an embodiment of the present invention;

FIG. 5 is a top view of FIG. 1;

FIG. 6 is a cross-sectional view taken at A-A of FIG. 5;

FIG. 7 is an enlarged view at C in FIG. 6;

fig. 8 is a schematic structural view of another structure of the engaging member according to the embodiment of the present invention.

Description of reference numerals:

1. a frame body; 11. an end plate main body; 111. a concave cavity; 112. clamping the channel; 1121. an upper section channel; 1122. a lower section channel; 1123. a transverse channel; 113. a guide groove; 2. a connecting seat; 21. a clamping assembly; 211. a clamping piece; 2111. an elastic rod; 2112. a clamping head; 22. a seat body; 221. an accommodating cavity; 23. a fastener; 231. an elastic plate; 232. a hook; 233. a spring rod; 2331. an elastic section; 2332. a clamping section; 234. a first limit plate; 235. a second limiting plate; 236. an accommodating area; 24. a guide strip; 3. an electrical connector; 31. a flexible circuit board; 32. a wiring terminal; 4. a reinforcing plate; 41. and (7) positioning the holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will explain in detail each embodiment of the present invention with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.

In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Throughout the specification and claims, the word "comprise" and variations thereof, such as "comprises" and "comprising," are to be understood as an open, inclusive meaning, i.e., as being interpreted to mean "including, but not limited to," unless the context requires otherwise.

Various embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended as limitations on the scope of the invention, but are merely illustrative of the true spirit of the technical solution of the invention.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As used in this specification and the appended claims, the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. It should be noted that the term "or" is generally employed in its sense including "and/or" unless the context clearly dictates otherwise.

In the following description, for the sake of clarity, the structure and operation of the present invention will be described with the aid of directional terms, but the terms "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be understood as words of convenience and not as words of limitation.

The following describes an embodiment battery module of the present invention with reference to the drawings, and as shown in fig. 1, 2 and 4, the battery module includes: frame 1, a plurality of electric cores, electric connector 3, stiffening plate 4 and connecting seat 2, wherein, frame 1 has end plate main part 11, each electric core is along the extending direction of perpendicular to end plate main part 11, arrange in frame 1 in proper order, electric connector 3 is connected with each electric core electricity, stiffening plate 4 and electric connector 3 fixed connection, and simultaneously, as shown in fig. 2, set up locating hole 41 on the reinforcement, connecting seat 2 sets up on end plate main part 11, support stiffening plate 4, joint subassembly 21 has on connecting seat 2, joint subassembly 21 inserts in locating hole 41, and with the 4 joints of stiffening plate, along the extending direction perpendicular and end plate main part 11, the radial dimension that joint subassembly 21 is located locating hole 41 is less than the radial dimension of locating hole 41.

The utility model discloses embodiment is for prior art, when producing accumulative tolerance between each electric core, perhaps when battery module assembles the back, even each electric core generates heat, lead to electric connector 3 to shift toward outside along the extending direction of perpendicular to end plate, owing to along the extending direction of perpendicular to end plate main part 11, joint subassembly 21 is located the radial dimension that the inside part of locating hole 41 is less than locating hole 41, consequently, the extending direction removal of perpendicular to end plate can be followed to stiffening plate 4, electric connector 3 can not collapsed this moment.

Specifically, connecting seat 2 includes the seat body 22 that supports stiffening plate 4, sets up the joint subassembly 21 on seat body 22, and simultaneously, joint subassembly 21 includes two at least joint pieces 211, and every in two at least joint pieces 211 includes: the elastic rod 2111 is fixedly connected with the seat body 22, the clamping heads 2112 are positioned at the top ends of the elastic rods 2111, each elastic rod 2111 is positioned in the positioning hole 41, each clamping head 2112 is positioned above the reinforcing plate 4, the at least two clamping pieces 211 are arranged in such a way that when the elastic rods 2111 are biased towards each other due to elasticity, the combined outer contour of the clamping heads 2112 is smaller than the inner contour of the positioning hole 41, and when the at least two clamping pieces 211 are in a natural state, the radial dimension of the positioning hole 41 is smaller than the combined radial dimension of the clamping heads 2112 of the at least two clamping pieces 211 along the extending direction perpendicular to the end plate main body 11, and when the at least two clamping pieces 211 are in the natural state, the radial dimension of the positioning hole 41 is larger than the combined radial dimension of the elastic rods 2111 of the at least two clamping pieces 211.

As shown in fig. 2 and 4, in this embodiment, the clamping assembly 21 includes two clamping members 211, the two clamping members 211 are disposed oppositely, when it is needed to insert the clamping assembly 21 into the positioning hole 41, a worker can press the clamping head 2112 of each clamping member 211 to insert the clamping head 2112 into the positioning hole 41, after the clamping head 2112 passes through the positioning hole 41, due to the resilience of the elastic rod 2111, each clamping member 211 recovers to a natural state, the two clamping heads 2112 are clamped above the reinforcing plate 4, and, as shown in fig. 2, the positioning hole 41 is a circular hole, each elastic rod 2111 of each clamping member 211 forms a structure similar to a cylinder after being combined, each clamping head 2112 of each clamping member 211 also forms a structure similar to a cylinder after being combined, and in the natural state, the outer diameter of the structure similar to a cylinder after being combined by each elastic rod 2111 is smaller than the inner diameter of the positioning hole 41, thus, along the extending direction of the end plate body 11, the radial dimension of the portion of the clamping assembly 21 located in the positioning hole 41 is also smaller than the radial dimension of the positioning hole 41, and the outer diameter of the cylinder-like structure formed by the combination of the clamping heads 2112 is larger than the inner diameter of the positioning hole 41.

In addition, in some embodiments, the combination of the elastic bars 2111 may be formed like a square bar, and the positioning hole 41 may be a rectangular hole having a length direction parallel to the extending direction of the vertical end plate, and the length of the rectangular hole is longer than the outer diameter of the square bar of the combination of the elastic bars 2111, so that the square bar can slide in the rectangular hole along the length direction of the rectangular hole. Of course, in some embodiments, the positioning hole 41 may be a square hole having a radial dimension perpendicular to the extending direction of the end plate or along the extending direction of the end plate that is larger than the radial dimension of the square rod formed by the combination of the elastic rods 2111.

In addition, the length of each elastic rod 2111 is greater than the depth of the positioning hole 41, so that the reinforcing plate 4 can move up and down along each elastic rod 2111, thereby absorbing the expansion of each cell in the up-down direction.

In addition, it should be emphasized that, in other embodiments, the number of the snap-in members 211 may also be three or four, etc., without departing from the scope of the present invention.

In addition, it should be noted that, the clamping component 21 can be set to other structures besides the above structure, as long as it does not depart from the scope of the present invention, for example, the clamping component 21 can also be a screw inserted into the positioning hole 41 and detachably connected to the connecting seat 2, the nut of the screw is located above the reinforcing plate 4 and has a certain gap with the reinforcing plate 4, so that the reinforcing plate 4 can move up and down along the stud, the outer diameter of the stud of the screw is smaller than the inner diameter of the positioning hole 41, and thus the reinforcing plate 4 can move along the radial direction of the stud.

In addition, as shown in fig. 2 and 4, in order to facilitate the insertion of each clip 2112 into the positioning hole 41, the cross section of the upper section of each clip 2112 assembly is gradually reduced from top to bottom, so that the upper section of each clip 2112 presents a somewhat pointed state, which makes the insertion into the positioning hole 41 easier.

In addition, the number of the clamping components 21 may be multiple, and correspondingly, the number of the positioning holes 41 is also multiple, and each clamping component 21 is located in the corresponding positioning hole 41, specifically, as shown in fig. 2, in this embodiment, two clamping components 211 are provided, and two positioning holes 41 are provided, and the two clamping components 21 are oppositely disposed on two sides of the electrical connector 3 along the extending direction of the end plate, so that the electrical connector 3 is more stably fixed, of course, in some embodiments, the number of the clamping components 21 may also be three, four or more, and correspondingly, the number of the positioning holes 41 is also three, four or more, for example, the number of the clamping components 21 is four, the number of the positioning holes 41 is also four, and the four clamping components 21 are oppositely disposed on two sides of the electrical connector 3 in a group of two by two.

In addition, as shown in fig. 2 and 4, at least a portion of the electrical connector 3 is located below the reinforcing plate 4, the connecting socket 2 has a receiving cavity 221, at least a portion of the electrical connector 3 is located in the receiving cavity 221, and the electrical connector 3 is located between the two clamping assemblies 21, specifically, as shown in fig. 1 and 2, in this embodiment, the electrical connector 3 includes: the battery pack includes a flexible circuit board 31 electrically connected to each of the cells, and a connection terminal 32 electrically connected to the flexible circuit board 31, and the connection terminal 32 is fixed below the flexible circuit board 31. The flexible circuit board 31 is fixedly connected to the reinforcing plate 4. The terminal 32 is disposed in the receiving cavity 221.

In addition, as shown in fig. 2 to 7, the upper end surface of the end plate body 11 is provided with a cavity 111, the ground surface of the cavity 111 is provided with a downwardly extending click passage 112, the connection holder 2 is located in the cavity 111, the outer circumferential profile of the connection holder 2 is smaller than the inner circumferential profile of the cavity 111, and as shown in fig. 4, the connection holder 2 includes: seat body 22 and fastener 23, wherein, the upper surface of seat body 22 has seted up locating hole 41, and fastener 23 extends downwards from the bottom surface of seat body 22 to the joint is in clamping channel 112, and the outer peripheral profile of fastener 23 is less than the inner peripheral profile of clamping channel 112.

Since the end plate includes: end plate main part 11 and connecting seat 2, set up cavity 111 on the end plate main part 11, connecting seat 2 is located cavity 111 to the outer contour of connecting seat 2 is less than the inner contour of cavity 111, therefore connecting seat 2 can move in cavity 111, can not be died by the chamber wall card of cavity 111, still is equipped with downwardly extending's joint passageway 112 in the bottom of cavity 111. And the connector holder 2 includes: seat body 22 and fastener 23, fastener 23 in connecting seat 2 extends downwards from the bottom surface of seat body 22, the joint is in the joint passageway 112 to the outer peripheral profile of fastener 23 is less than the inner peripheral profile of joint passageway 112, therefore fastener 23 also can move in joint passageway 112. When flexible circuit board 31 is connected to connecting seat 2, because connecting seat 2 can remove in cavity 111, fastener 23 on connecting seat 2 also can remove in joint passageway 112, consequently flexible circuit board 31 is not dead by fixed, but has the surplus of certain removal, through the removal of connecting seat 2, can absorb the accumulative tolerance that each electric core produced in the assembling process, and electric core inflation back, promote flexible circuit board 31 and remove, the removal displacement of flexible circuit board 31 also can be absorbed through the removal of connecting seat 2, thereby make electric connector 3 can not collapsed easily, and then can prolong battery module's life.

In this embodiment, as shown in fig. 3 to 7, the height of the engaging member 23 is smaller than the height of the clipping channel 112, and the clipping channel 112 includes: upper segment channel 1121 and lower segment channel 1122, the radial dimension of lower segment channel 1122 being greater than the radial dimension of upper segment channel 1121. The engaging piece 23 includes: specifically, as shown in fig. 7, the hook 232 hooks a stepped surface between the lower passage 1122 and the upper passage 1121, in this embodiment, the upper passage 1121 is connected to a side wall of one side of the lower passage 1122, an outer peripheral profile of the elastic plate 231 is smaller than an inner peripheral profile of the upper passage 1121, and an outer peripheral profile of the hook 232 is smaller than an inner peripheral profile of the lower passage 1122.

In addition, it should be emphasized that the engaging member 23 may be configured in other structures besides the above-mentioned structure, as long as the invention does not depart from the scope of the present invention, for example, as shown in fig. 8, the upper passage 1121 and the lower passage 1122 are coaxially arranged, and the engaging member 23 includes: two relative elastic rods 233, each elastic rod 233 includes: the elastic section 2331 and the clamping section 2332 are smaller, the clamping section 2332 is larger, the clamping section 2332 of the two elastic rods 233 is extruded towards the middle, the clamping piece 23 is inserted into the clamping channel 112, when the two elastic rods 233 return to the free state, the two clamping sections 2332 are clamped in the lower section channel 1122, in order to enable the clamping piece 23 to move in the clamping channel 112, the combined outer diameter of the two clamping sections 2332 is smaller than the inner diameter of the lower section channel 1122, the combined outer diameter of the two elastic sections 2331 is smaller than the inner diameter of the upper section channel 1121, and the length of the elastic section 2331 is longer than the height of the upper section channel 1121.

In addition, in order to enable the engaging piece 23 to be firmly clamped in the clamping channel 112, as shown in fig. 4, the engaging piece 23 further includes: along the extending direction perpendicular to the hook 232, the first limiting plate 234 and the second limiting plate 235 are relatively disposed on two sides of the elastic plate 231, the first limiting plate 234 and the second limiting plate 235 are separated from each other to form an accommodating area 236, and the hook 232 extends beyond the accommodating area 236, specifically, in this embodiment, the hook 232 is located outside the accommodating area 236, it should be understood that the hook 232 may also be partially located outside the accommodating area 236, as long as the hook does not depart from the scope of the present invention, and meanwhile, in this embodiment, the elastic rod 2111 is located in the accommodating area 236, of course, in some embodiments, the elastic rod 2111 may also be located outside the accommodating area 236, or partially located outside the accommodating area 236.

In addition, as shown in fig. 4 and 7, specifically, the radial dimension of the upper channel 1121 in the extending direction of the hook 232 is greater than the radial dimension of the first limiting plate 234, the second limiting plate 235 and the hook 232 combined in the extending direction of the hook 232, and is less than the radial dimension of the first limiting plate 234 and the second limiting plate 235 in the extending direction of the hook 232, when the engaging element 23 is inserted into the upper channel 1121, the radial dimension of the first limiting plate 234, the second limiting plate 235 and the hook 232 combined in this embodiment is greater than the radial dimension of the upper channel, because the radial dimension of the first limiting plate 234, the second limiting plate 235 and the hook 232 is perpendicular to the extending direction of the end plate, the hook 232 will be retracted into the accommodating area 236 between the first limiting plate 234 and the second limiting plate 235 due to the elastic action of the elastic plate 231, and after the hook 232 enters the upper channel 1121, because the radial dimension of the lower channel 1122 is greater than the radial dimension of the upper channel 1121 due to the extending direction of the hook 232, therefore, the resilient force of the elastic plate 231 pushes the hook 232 to be locked into the lower channel 1122, so as to lock the engaging member 23 into the lower channel 1122.

As shown in fig. 2, 5, 6 and 7, in order to allow the engaging piece 23 to be detached from the click channel 112 after being snapped into the click channel 112, the engaging piece 23 further includes: a section of the transverse channel 1123 is communicated with the lower section channel 1122, the other end of the transverse channel 1123 is opened on the outer side surface of the end plate, and the section of the clamping hook 232, which is communicated with the lower section channel 1122, extends, as shown in fig. 7, the hooks 232 are disposed toward the opening direction of the transverse channel 1123 and the lower channel 1122, when the operator needs to detach the connecting seat 2 from the end plate main body 11, the operator only needs to insert a tool into the transverse channel 1123, push the hook 232, so that the hook 232 enters the accommodating area 236, then the connecting seat 2 is pulled upwards, the connecting seat 2 can be pulled out from the end plate main body 11, at the moment, the connecting seat 2 and the end plate main body 11 are detachably connected, when the connecting seat 2 is damaged, the connecting seat 2 can be replaced, thereby, the service life of the battery module can be further prolonged, and the use convenience of the battery module can be improved.

Specifically, as shown in fig. 7, in the present embodiment, the transverse channel 1123 is a straight channel, but it should be understood that the transverse channel 1123 may also be a curved channel, and as long as the present invention does not depart from the scope of the present invention, when the transverse channel 1123 is a curved channel, a flexible iron wire may be used to push the hook 232.

In addition, in order to facilitate the insertion of the hook 232 into the clamping channel 112, as shown in fig. 7, in the present embodiment, the cross section of the lower section of the hook 232 is gradually reduced from top to bottom.

In addition, a plurality of engaging pieces 23 may be provided, for example, in the present embodiment, as shown in fig. 4, two engaging pieces 23 are provided, so that two corresponding engaging channels 112 are provided, and two engaging pieces 23 are provided in parallel, but it should be understood that three or four engaging pieces 23 may be provided without departing from the scope of the present invention.

In addition, in order to guide the insertion of the connector holder 2 into the catching channel 112, as shown in fig. 2 and 4, the connector holder 2 further includes: the vertical guide strip 24 extends from the direction of the seat body 22 to the cavity wall direction of the cavity 111, the vertical guide strip 24 is arranged in parallel with the clamping piece 23, the cavity wall of the cavity 111 is also provided with a guide groove 113 for guiding the guide strip 24 to be inserted, the outer peripheral profile of the guide strip 24 is smaller than the inner peripheral profile of the guide groove 113, namely, the width of the guide strip 24 is smaller than the width of the guide groove 113, the length of the guide strip 24 inserted into the guide groove 113 is smaller than the depth of the guide groove 113, when the guide strip 24 is arranged in the guide groove 113, a gap exists between the guide strip 24 and the guide groove 113, and the guide strip 24 can move in the guide groove 113.

In addition, in order to facilitate the insertion of the guide bars 24 into the guide grooves 113, as shown in fig. 4, the cross section of the lower section of the guide bar 24 is gradually reduced from the top down.

In addition, in this embodiment, in order to further facilitate the direction of the connecting seat 2, the number of the guide strips 24 is multiple, the number of the guide grooves 113 is multiple, and each guide strip 24 is located in each guide groove 113, specifically, in this embodiment, the number of the guide strips 24 is two, the number of the guide grooves 113 is also two, and the two guide strips 24 are relatively disposed on both sides of the seat body 22 along the extending direction perpendicular to the end plate main body 11, of course, in other embodiments, the number of the guide strips 24 may also be four, five or more, as long as the invention does not depart from the scope of the present invention, when the number of the guide strips 24 is four, the four guide strips 24 are grouped in pairs, and are relatively disposed on both sides of the seat body 22 along the extending direction perpendicular to the end plate main body 11.

While the preferred embodiments of the present invention have been described in detail above, it should be understood that aspects of the embodiments can be modified, if necessary, to employ aspects, features and concepts of the various patents, applications and publications to provide yet further embodiments.

These and other changes can be made to the embodiments in light of the above detailed description. In general, in the claims, the terms used should not be construed to be limited to the specific embodiments disclosed in the specification and the claims, but should be construed to include all possible embodiments along with the full scope of equivalents to which such claims are entitled.

It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.

Claims

1. A battery module, comprising:

a frame body having an end plate body;

the electric connector is electrically connected with each battery cell;

2. The battery module according to claim 1, wherein the connecting seat comprises a seat body supporting the reinforcing plate, and a clamping assembly disposed on the seat body;

the joint subassembly includes two at least joint spare, every in two at least joint spare includes: the elastic rods are fixedly connected with the seat body, and the clamping joints are positioned at the top ends of the elastic rods;

3. The battery module according to claim 2, wherein the positioning member comprises: the length of the elastic rod is greater than the depth of the positioning hole.

4. The battery module according to claim 1, wherein the radial dimension of the portion of the clamping assembly located in the positioning hole is smaller than the radial dimension of the positioning hole along the extension direction of the end plate main body.

5. The battery module according to claim 2, wherein the cross-section of the upper section of each of the tab combinations is gradually reduced from bottom to top.

6. The battery module according to claim 2, wherein the clamping assembly is a plurality of clamping assemblies, the positioning holes are a corresponding plurality of positioning holes, and the clamping assemblies are respectively located in the corresponding positioning holes.

7. The battery module according to claim 6, wherein the number of the clamping assemblies is two, and the two clamping assemblies are oppositely arranged on two sides of the electric connector along the extending direction of the end plate.

8. The battery module according to claim 7, wherein at least a portion of the electrical connector is located below the reinforcing plate, the connecting base has a receiving cavity, the at least a portion of the electrical connector is located in the receiving cavity, and the electrical connector is located between the two clamping assemblies.

9. The battery module according to claim 2, wherein a cavity is formed in the upper end face of the end plate main body, a clamping channel extending downwards is formed in the bottom face of the cavity, the seat body is arranged in the cavity, and the outer peripheral profile of the seat body is smaller than the inner peripheral profile of the cavity;

10. The battery module according to claim 9, wherein the height of the clamping member is less than the height of the clamping channel, the clamping channel comprises an upper section channel and a lower section channel, and the radial dimension of the lower section channel is greater than the radial dimension of the upper section channel; and the clip member includes:

11. The battery module of claim 10, wherein the clamping channel further comprises: and the transverse channel is arranged towards the extending direction of the clamping hook, one end of the transverse channel is communicated with the lower section channel, and the other end of the transverse channel is exposed outside the end plate.

12. The battery module according to claim 10, wherein the clip further comprises: and the first limiting plate and the second limiting plate are oppositely arranged on the elastic plate and on two sides of the clamping hook along the extending direction which is vertical to the clamping hook.

13. The battery module according to claim 9, wherein the connection holder further comprises: the vertical guide strip extends from the direction of the seat body to the direction of the cavity wall of the concave cavity;

14. The battery module according to claim 13, wherein the guide bars are a plurality of guide bars, the guide grooves are a corresponding plurality of guide grooves, and the guide bars are respectively located in the corresponding plurality of guide grooves.