CN216529467U - Module output pole base and battery module - Google Patents

Abstract

The utility model relates to the technical field of batteries, and discloses a module output electrode base which comprises a spring plate nut and a base, wherein the spring plate nut comprises a spring plate nut body, a clamping part and an inserting part, the clamping part comprises two clamping buckles oppositely arranged along a first direction, and the inserting part comprises two inserting pieces oppositely arranged along a second direction; and the base is provided with an installation surface, the installation surface is respectively provided with an installation hole, a clamping groove and an insertion groove, the elastic sheet nut body is arranged in the installation hole in a penetrating mode and is in clearance fit with the base, the clamping buckle is arranged in the clamping groove and can move in the clamping groove, and the plug connector is inserted in the insertion groove and can move in the insertion groove, so that the elastic sheet nut can move along the first direction, the second direction and the third direction relative to the base. The position between the elastic sheet nut and the base is adjustable, so that the assembly deviation can be reduced, and the connection effect of the elastic sheet nut and the output electrode of the battery module is ensured. The utility model also provides a battery module, which comprises the module output electrode base.

Description

Module output pole base and battery module

Technical Field

The utility model relates to the technical field of batteries, in particular to a module output electrode base and a battery module.

Background

The output pole and the connecting component for connecting the output pole are arranged at two ends of the battery module, the typical connecting component is an output pole base composed of a base and a nut, the nut extends into the base for installation, the nut is provided with internal threads, and the output pole extends into the nut to be in threaded connection with the nut. However, the embedded nut adopted by the traditional output pole base is a copper nut, does not have a buffer structure, easily causes torsion attenuation under the condition of expansion with heat and contraction with cold, and the relative position between the copper nut and the base cannot be automatically adjusted, so that the assembly deviation is large, the connection effect is poor, and the battery operation is unstable.

Therefore, a module output electrode base and a battery module are needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

One objective of the present invention is to provide a module output electrode base, which can automatically adjust the relative position between a spring nut and the base within a certain range, so as to ensure the connection effect between the spring nut and the output electrode of a battery module.

As the conception, the technical scheme adopted by the utility model is as follows:

a module output pole mount, comprising:

the elastic piece nut comprises an elastic piece nut body, a clamping part and an inserting part, wherein the clamping part comprises two clamping buckles oppositely arranged along a first direction, and the inserting part comprises two inserting pieces oppositely arranged along a second direction;

the base, the base has the installation face, be provided with mounting hole, joint groove and inserting groove on the installation face, shell fragment nut body wear to locate in the mounting hole and with base clearance fit, the joint is detained the card and is located in the joint inslot and can in the joint inslot removes, the plug connector is inserted and is located in the inserting groove and can locate remove in the inserting groove, so that the shell fragment nut can be relative the base is followed first direction second direction and third direction remove, first direction the second direction with two liang mutually perpendicular in third direction.

Optionally, the plug connector including connect in first picture peg and the protruding second picture peg of locating on the first picture peg of shell fragment nut body, the inserting groove include with first picture peg matched with first groove and with second picture peg matched with second groove, first groove with be formed with first step face between the second groove, the plug connector insert locate in the inserting groove, and can the butt in on the first step face.

Optionally, the notch in joint groove sets up for the throat, the joint is detained including first fastener and the second fastener that links to each other, first fastener with the second fastener is the contained angle setting, the joint is detained and can be followed the notch stretches into, and makes first fastener or second fastener support tightly in the inner wall of notch.

Optionally, the notch includes the guide part and the spacing portion of intercommunication, the guide part be formed in spacing portion is kept away from one side of joint groove tank bottom, the guide part is the flaring setting.

Optionally, the mounting hole includes a first hole having one end opened on the mounting surface and a second hole communicated with the first hole, a second step surface is formed between the first hole and the second hole, and the elastic sheet nut body is inserted into the mounting hole and can abut against the second step surface.

Optionally, the spring nut body is further provided with a threaded hole extending along the third direction.

Optionally, the base is made by injection moulding.

Optionally, the elastic sheet nut is made of 65Mn spring steel.

Another object of the present invention is to provide a battery module, which can improve the assembly precision between an output stage and a base of the output stage of the module, and ensure stable operation of a battery.

As the conception, the technical scheme adopted by the utility model is as follows:

a battery module includes an output pole and a module output pole base as described above.

Optionally, the number of the spring plate nuts is n, and the base is provided with at least n mounting holes, 2n clamping grooves and 2n insertion grooves.

The utility model has the beneficial effects that:

the module output electrode base comprises the elastic sheet nut and the base, and the relative position of the elastic sheet nut and the base can be automatically adjusted. Wherein, the shell fragment nut includes shell fragment nut body, joint portion and grafting portion, and joint portion includes that two joints that set up relatively along the first direction are buckled, and grafting portion includes two plug connectors that set up relatively along the second direction. The base is provided with a mounting surface, and the mounting surface is respectively provided with a mounting hole, a clamping groove and an inserting groove. The shell fragment nut body wears to locate in the mounting hole and with base clearance fit, the joint is detained the card and is located the joint inslot and can remove in the joint inslot, the plug connector is inserted and is located the inserting groove and can remove in the inserting groove to make the shell fragment nut can remove along first direction, second direction and third direction relative base, wherein first direction, second direction and two liang of mutually perpendicular of third direction. The position between the elastic sheet nut and the base is adjustable, so that the assembly deviation is reduced, and the connection effect of the elastic sheet nut and the output electrode of the battery module is ensured.

The utility model further provides a battery module, which comprises the output electrode and the module output electrode base, and the assembly precision between the output stage of the battery module and the module output stage base can be effectively improved through the automatic position adjustment of the elastic sheet nut on the base, so that the stable operation of the battery is ensured.

Drawings

FIG. 1 is a schematic structural diagram of a module output electrode base according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a first perspective view of a base according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a second perspective of a base provided by an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a first viewing angle of the shell fragment nut according to the embodiment of the present invention;

fig. 5 is a structural schematic diagram of a second viewing angle of the elastic sheet nut according to the embodiment of the present invention.

In the figure:

1. a spring nut; 11. a clamping buckle; 111. a first clip member; 112. a second clip member; 12. a plug-in unit; 121. a first board insert; 122. a second board plug; 13. a spring nut body;

2. a base; 21. mounting holes; 22. a clamping groove; 221. a guide portion; 222. a limiting part; 23. inserting grooves; 231. a first groove; 232. a second groove.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

The connection of the output pole of the existing module output pole base and the battery module does not have a buffer structure, namely, a copper nut is adopted by an embedded nut on the base, so that the relative position between the base and the base cannot be automatically adjusted, the assembly deviation is large, the connection effect is poor, and the problem of unstable battery operation is caused.

As shown in fig. 1 to 5, the embodiment provides a module output electrode base, which includes a spring nut 1 and a base 2, and can realize automatic adjustment of the relative position of the spring nut 1 and the base 2 within a certain range, so as to ensure the connection effect between the spring nut 1 and the output electrode of the battery module. The elastic sheet nut 1 comprises an elastic sheet nut body 13, a clamping portion and an inserting portion, the clamping portion comprises two clamping buckles 11 which are oppositely arranged along a first direction, and the inserting portion comprises two inserting pieces 12 which are oppositely arranged along a second direction. The base 2 is provided with an installation surface, the elastic sheet nut 1 is abutted to the installation surface and arranged to be assembled on the base 2, and the installation surface is provided with an installation hole 21, a clamping groove 22 and a plug-in groove 23. Knowingly, mounting hole 21 is worn to locate by shell fragment nut body 13, and joint groove 22 is located to joint knot 11 card, and plug connector 12 is inserted and is located inserting groove 23.

In this embodiment, the joint of joint groove 22 and joint knot 11 is in order to realize base 2 and shell fragment nut 1's being connected, and inserting groove 23 and plug connector 12's cooperation is then in order to further guarantee that shell fragment nut 1 can only remove in the certain limit relatively base 2, alleviates shell fragment nut 1 and base 2 relative position automatic adjustment in-process simultaneously, exerts the external force on joint knot 11, guarantees shell fragment nut 1's life. Certainly, in order to realize the above automatic adjustment of the relative position between the elastic sheet nut 1 and the base 2 within a certain range, the elastic sheet nut body 13 and the base 2 should be in clearance fit, the engaging buckle 11 should be able to move in the engaging groove 22, and the plug 12 should also be able to move in the inserting groove 23, so that the elastic sheet nut 1 can move along the first direction, the second direction and the third direction relative to the base 2. As shown in fig. 3, the first direction is oa direction, the second direction is ob direction, the third direction is oc direction, and the first direction, the second direction and the third direction are perpendicular to each other two by two.

Optionally, as shown in fig. 4, in order to further enhance the limit relationship between the plug 12 and the base 2 when the plug 12 is engaged, in this embodiment, the plug 12 includes a first plug 121 connected to the shell nut body 13 and a second plug 122 protruding from the first plug 121, that is, the plug 12 has a step structure. As shown in fig. 3, the insertion groove 23 engaged with the plug 12 includes a first groove 231 engaged with the first insertion plate 121 and a second groove 232 engaged with the second insertion plate 122, a first step surface is formed between the first groove 231 and the second groove 232, and the plug 12 is inserted into the insertion groove 23 and can abut against the first step surface. The plug-in connection groove 23 is arranged in a step shape, so that the limit effect of the plug-in connection groove 23 on the plug-in connector 12 can be further ensured, and the plug-in connector 23 is prevented from excessively inclining 12 in the plug-in connection groove. Of course, in other embodiments, the plug 12 may be rectangular and the slot 23 may be rectangular. Alternatively, the plug 12 may be provided with a stepped configuration other than that shown in fig. 4.

Optionally, as shown in fig. 5, the buckle 11 includes a first buckle part 111 and a second buckle part 112 connected to each other, the first buckle part 111 and the second buckle part 112 are disposed at an included angle, that is, there are two positions on the buckle 11 where the relative distance between the first buckle part 111 and the second buckle part 112 is the closest and the relative distance between the first buckle part 111 and the second buckle part 112 is the farthest, when the buckle 11 is buckled in the buckle slot 22, the position on the buckle 11 where the relative distance between the first buckle part 111 and the second buckle part 112 is the closest needs to be firstly inserted into the buckle slot 22, so as to facilitate installation. As shown in fig. 3, the opening of the clamping groove 22 is a necking, the elastic sheet nut 1 has a certain elasticity, the clamping buckle 11 can be compressed when passing through the opening of the clamping groove 22, and can be restored to the original shape when entering the clamping groove 22, so as to clamp the clamping buckle 11 in the clamping groove 22, i.e. one of the first clamping piece 111 or the second clamping piece 112 abuts against the inner wall of the opening.

Further, as shown in fig. 3, the notch includes a guiding portion 221 and a limiting portion 222 which are communicated with each other, wherein the guiding portion 221 is formed on one side of the limiting portion 222 away from the groove bottom of the clamping groove 22, and the guiding portion 221 is formed in a flaring shape. It can be understood that, because the notch of the clip groove 22 has a smaller space relative to the inner cavity of the clip groove 22, at least one inclined surface is arranged at the notch of the necking to serve as a guide surface, so that the clip buckle 11 can be conveniently inserted into the clip groove 22.

As can be seen from the above matching relationship between the snap groove 22 and the snap fastener 11, if the snap fastener 11 can move in the snap groove 22, the width of the snap groove 22 is a and the thickness of the snap fastener 11 is b along the first direction, then a > b; along the second direction, the length of the clamping groove 22 is c, the width of the clamping buckle 11 is d, and c is larger than d; in the third direction, the distance between the end of the snap fastener 11 away from the notch of the snap groove 22 and the bottom of the snap groove 22 is e, and e is greater than 0.

In addition, the matching relationship between the inserting slot 23 and the inserting component 12 is ensured, if the maximum length of the first inserting plate 121 is L1 and the maximum length of the first slot 231 is L2 along the first direction, then L2 is greater than L1, the maximum length of the second inserting plate 122 is L3, and the maximum length of the second slot 232 is L4, then L4 is greater than L3; in the second direction, the maximum thickness of the first insert plate 121 is W1, the maximum width of the first groove 231 is W2, then W2 is greater than W1, the maximum thickness of the second insert plate 122 is W3, the maximum width of the second groove 232 is W4, then W4 is greater than W3; in the third direction, the maximum height of the first insert plate 121 is H1, the maximum depth of the first groove 231 is H2, then H2 is greater than H1, the maximum height of the second insert plate 122 is H3, the maximum depth of the second groove 232 is H4, then H4 is greater than H3.

In summary, the maximum distance of the movement of the spring nut 1 relative to the base 2 along the first direction should be max (b-a, L2-L1, L4-L3), the maximum distance of the movement of the spring nut 1 relative to the base 2 along the second direction should be max (d-c, W2-W1, W4-W3), and the maximum distance of the movement of the spring nut 1 relative to the base 2 along the third direction should be max (e, H2-H1, H4-H3). Optionally, under the stable prerequisite of guaranteeing the assembly, the module output pole base that this embodiment provided, but its shell fragment nut 1 and base 2 distance scope at X direction relative movement is 0 ~ 0.5mm, but distance scope at Y direction relative movement is 0 ~ 0.3mm, but distance scope at Z direction relative movement is 0 ~ 0.4 mm.

In addition, as can be seen from the above, the clearance fit between the elastic nut body 13 and the base 2 should ensure that the above-mentioned movement of the engaging buckle 11 in the engaging groove 22 and the movement of the plug 12 in the inserting groove 23 are satisfied. In this embodiment, the mounting hole 21 that the shell fragment nut body 13 was inserted and was established is the shoulder hole, it includes that one end is seted up in the first hole on the installation face of base 2 and the second hole that communicates with first hole promptly, know, shell fragment nut body 13 includes installation department and connecting portion, when shell fragment nut 1 pegs graft with base 2, then the installation department supports and presses in the installation face, connecting portion wear to locate in mounting hole 21, this connecting portion include first connecting portion and second connecting portion, the second connecting portion set up to the cylinder structure, and first connecting portion then is the round platform structure that the diameter gradually diminishes, and its minor diameter end is connected with the second connecting portion.

Optionally, in order to realize the connection relationship between the module output electrode base and the output electrode of the battery module, the spring nut body 13 is further provided with a threaded hole extending along the third direction. During assembly, a bolt can be adopted to penetrate through the output electrode of the battery module and then be in threaded connection with the threaded hole of the elastic sheet nut 1, so that the output electrode is clamped between the bolt and the elastic sheet nut 1.

Optionally, in this embodiment, the spring nut 1 is made of 65Mn spring steel, and has high strength, certain toughness and plasticity, and is suitable for the clamping relationship with the base 2 in this embodiment.

Optionally, the base 2 is formed by an injection molding process, and is made of plastic material, and the base can be integrally formed by arranging a corresponding mold without multiple processes to form the structures such as the mounting hole 21, the clamping groove 22, the inserting groove 23 and the like.

The embodiment also provides a battery module, the module output pole base is connected with the output pole, relative movement between the output pole and the base 2 within a certain range is realized through the elastic sheet nut 1, and assembly errors can be reduced.

In addition, according to the actual assembly demand of battery module, also can assemble a plurality of shell fragment nuts 1 on a base 2, then know, when shell fragment nut 1 was provided with n, then should be equipped with n mounting holes 21, 2n joint groove 22 and 2n inserting groove 23 with it matched with on the base 2. In addition, since both ends of the battery module are led out from the output electrodes, the module output electrode bases may be disposed at both ends of the battery module.

The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the utility model, which changes and modifications are within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a module output pole base which characterized in that includes:

the elastic piece nut (1) comprises an elastic piece nut body (13), a clamping part and an inserting part, wherein the clamping part comprises two clamping buckles (11) which are oppositely arranged along a first direction, and the inserting part comprises two inserting pieces (12) which are oppositely arranged along a second direction;

base (2), base (2) have the installation face, be provided with mounting hole (21), joint groove (22) and inserting groove (23) on the installation face, shell fragment nut body (13) wear to locate in mounting hole (21) and with base (2) clearance fit, joint knot (11) card is located in joint groove (22) and can in remove in joint groove (22), plug connector (12) are inserted and are located in inserting groove (23) and can in remove in inserting groove (23), so that shell fragment nut (1) can be relative base (2) are followed first direction second direction and third direction remove, first direction second direction with two liang of mutually perpendicular in third direction.

2. The module output pole base as claimed in claim 1, wherein the plug connector (12) comprises a first plug board (121) connected to the spring plate nut body (13) and a second plug board (122) convexly arranged on the first plug board (121), the plug-in slot (23) comprises a first slot (231) matched with the first plug board (121) and a second slot (232) matched with the second plug board (122), a first step surface is formed between the first slot (231) and the second slot (232), and the plug connector (12) is inserted into the plug-in slot (23) and can abut against the first step surface.

3. The module output electrode base according to claim 1, wherein the notch of the clamping groove (22) is in a necking arrangement, the clamping buckle (11) comprises a first clamping piece (111) and a second clamping piece (112) which are connected, the first clamping piece (111) and the second clamping piece (112) are arranged at an included angle, the clamping buckle (11) can extend into the notch, and the first clamping piece (111) or the second clamping piece (112) abuts against the inner wall of the notch.

4. The module output electrode base as claimed in claim 3, wherein the notch comprises a guiding portion (221) and a limiting portion (222) which are communicated, the guiding portion (221) is formed on one side of the limiting portion (222) far away from the bottom of the clamping groove (22), and the guiding portion (221) is in flaring arrangement.

5. The module output electrode base as claimed in claim 1, wherein the mounting hole (21) includes a first hole having one end opened on the mounting surface and a second hole communicating with the first hole, a second step surface is formed between the first hole and the second hole, and the spring nut body (13) is inserted into the mounting hole (21) and can abut against the second step surface.

6. The module output electrode base according to claim 1, wherein the spring nut body (13) is further provided with a threaded hole extending along the third direction.

7. The modular output pole base according to claim 1, characterized in that the base (2) is made by injection molding.

8. The module output pole base according to claim 1, wherein the spring nut (1) is made of 65Mn spring steel.

9. A battery module comprising an output electrode and the module output electrode holder according to any one of claims 1 to 8.

10. The battery module according to claim 9, wherein the spring nut (1) has n number, and the base (2) has at least n number of the mounting holes (21), 2n number of the snap grooves (22), and 2n number of the insertion grooves (23).

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