CN220628173U

CN220628173U - Output end assembly

Info

Publication number: CN220628173U
Application number: CN202322284910.4U
Authority: CN
Inventors: 武识博; 安劭侠
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-03-19
Anticipated expiration: 2033-08-23

Abstract

The utility model discloses an output end assembly, which comprises a protective cover and a base, wherein the output end assembly is used for a battery module; the protective cover is provided with a first inserting part; the base is provided with a second plug-in connection part, and the first plug-in connection part is correspondingly matched with the second plug-in connection part so that the protective cover is covered on the base; and a limiting piece is arranged in the second plug-in connection part so as to limit the first plug-in connection part. The protection cover is matched with the base in a plugging mode, so that the tight and firm matching between the protection cover and the base can be ensured, the disassembly and separation between the protection cover and the base are more convenient, and the situation that the protection cover is blocked between the protection cover and the base can be avoided only by directly pulling out the protection cover when the protection cover is disassembled.

Description

Output end assembly

Technical Field

The utility model relates to the technical field of batteries, in particular to an output end assembly.

Background

In the prior art, a module output end base and an output end protective cover of a power battery pack are designed according to the positions of battery cell output polar columns, and the polar columns of the traditional battery cells are arranged at the top of the battery cells, so that the battery cells have the advantages of convenience in assembly, easiness in absorbing dimensional tolerance, reduction and elimination of abnormal sound and fracture risks in the vibration, impact or electric vehicle driving process, high protection and the like; however, when the system requires larger overcurrent, the size of the output end bus bar also needs to be correspondingly increased, and because the output end bus bar is arranged on the output end base, if the space of the battery pack is insufficient, the problem that the existing module output end base is not easy to pull out and the local fracture of the pulling-out process occurs when the existing module output end base is matched with the output end protective cover.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides an output end assembly which can solve the problem that the output end base and the output end protective cover are matched and are not easy to detach due to insufficient space of a battery pack.

The output end assembly comprises a protective cover and a base, and is used for a battery module; the protective cover is provided with a first inserting part; the base is provided with a second plug-in connection part, and the first plug-in connection part is correspondingly matched with the second plug-in connection part so that the protective cover is covered on the base; and a limiting piece is arranged in the second plug-in connection part so as to limit the first plug-in connection part.

According to the output end assembly provided by the embodiment of the utility model, the protective cover and the base are matched in a plugging manner, so that the tight and firm matching between the protective cover and the base can be ensured, the disassembly and the separation between the protective cover and the base are more convenient, and the protective cover is only required to be directly pulled out during the disassembly, so that the situation of blocking between the protective cover and the base can not occur.

In addition, the output end assembly according to the utility model can also have the following additional technical features:

in some embodiments, the first plug portion includes a first plug, a second plug, and a third plug, the second plug includes a first plug aperture, a second plug aperture, and a third plug aperture, the third plug is located between the first plug and the second plug, and the first plug, the second plug, and the third plug are arranged in a delta configuration.

In some embodiments, the first plug, the second plug, and the third plug are plug posts.

In some embodiments, in a first direction, the first plug and the second plug are each inclined away from the protective cover.

In some embodiments, the lower ends of the first plug connector, the second plug connector and the third plug connector are provided with guide structures, the guide structures comprise a first guide inclined plane and a second guide inclined plane, in the up-down direction, the first guide inclined plane is inclined towards a direction approaching the second guide inclined plane, and the second guide inclined plane is inclined towards a direction approaching the first guide inclined plane.

In some embodiments, the guiding structure further comprises a top surface and an arc surface, the top surface and the arc surface are both arranged between the first guiding inclined surface and the second guiding inclined surface, two arc surfaces are arranged, and the two arc surfaces are respectively arranged at two ends of the top surface.

In some embodiments, reinforcing ribs are arranged between the first plug connector, the second plug connector, the third plug connector and the protective cover.

In some embodiments, in the first direction, the first plugging portion is disposed at both ends of the protective cover.

In some embodiments, the first plug connector and the second plug connector are both in arc transitional connection with the protective cover, the base comprises a first circular groove and a second circular groove, the first plug hole is located in the first circular groove, the second plug hole is located in the second circular groove, and the radii of the first circular groove and the second circular groove are equal to the radius of the arc.

In some embodiments, the protective cover comprises a hand-held portion, the hand-held portion comprises a first clamping plate and a second clamping plate, in the second direction, the first clamping plate and the second clamping plate are respectively located at two sides of the protective cover, the first clamping plate and the second clamping plate all extend downwards, a first supporting plate is arranged on the first clamping plate, a second supporting plate is arranged on the second clamping plate, and the first supporting plate and the second supporting plate all extend along the second direction.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic diagram of an output end assembly according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of an output end assembly according to an embodiment of the utility model;

FIG. 3 is a schematic view of the structure of a protective cover of the output end assembly according to an embodiment of the present utility model;

FIG. 4 is an enlarged view according to area A of FIG. 3;

FIG. 5 is a top view of a protective cover of the output end assembly according to an embodiment of the utility model;

FIG. 6 is a top view of a base of an output end assembly according to an embodiment of the utility model;

fig. 7 is a bottom view of the base of the output end assembly according to an embodiment of the utility model.

Reference numerals:

100. an output end assembly;

1. a protective cover; 11. a first plug-in connection; 12. a hand-held part; 111. a first plug member; 112. a second plug member; 113. a third plug connector; 121. a first clamping plate; 122. a second clamping plate; 123. a first support plate; 124. a second support plate;

2. a base; 21. a second plug-in connection; 22. a first circular groove; 23. a second circular groove; 211. a first plug hole; 212. a second plug hole; 213. a third plug hole;

3. a limiting piece;

4. a guide structure; 41. a first guiding inclined surface; 42. a second guiding inclined surface; 43. a top surface; 44. an arc surface;

5. reinforcing ribs.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

An output terminal assembly 100 according to an embodiment of the present utility model is described below with reference to fig. 1-7.

As shown in fig. 1 to 7, an output terminal assembly 100 according to an embodiment of the present utility model includes: a protective cover 1 and a base 2, and an output end assembly 100 is used for a battery module; the protective cover 1 is provided with a first inserting part 11; the base 2 is provided with a second plug-in connection part 21, and the first plug-in connection part 11 is correspondingly matched with the second plug-in connection part 21 so that the protective cover 1 is covered on the base 2; the second plugging portion 21 is provided with a limiting member 3 therein to limit the first plugging portion 11.

In this embodiment, the base 2 is mounted on an end plate of the output end of the battery module, and is used for connecting with the output end busbar to provide insulation protection for the output end busbar; the protective cover 1 is arranged on the base 2 in a covering manner and is used for protecting the base 2, preventing the base 2 from being damaged and avoiding the base 2 from being short-circuited; the protective cover 1 and the base 2 are matched in an inserting manner, so that the protective cover 1 and the base 2 can be conveniently assembled and disassembled; the limiting piece 3 can limit and clamp the plug connector, so that the assembly of the protective cover 1 and the base 2 is prevented from loosening, and the tight fit of the protective cover 1 and the base 2 is ensured.

According to the output end assembly 100 provided by the embodiment of the utility model, the protective cover 1 and the base 2 are matched in a plugging manner, so that the tight and firm matching between the protective cover 1 and the base 2 can be ensured, the disassembly and the separation between the protective cover 1 and the base 2 are more convenient, and the protective cover 1 is only required to be directly pulled out during the disassembly, so that the situation of blocking between the protective cover 1 and the base 2 can not occur.

In one embodiment of the present utility model, as shown in fig. 1 to 7, the first socket 11 includes a first socket 111, a second socket 112, and a third socket 113, the second socket 21 includes a first socket hole 211, a second socket hole 212, and a third socket hole 213, the third socket 113 is located between the first socket 111 and the second socket 112, and the first socket 111, the second socket 112, and the third socket 113 are arranged in a delta structure. In this embodiment, when the protective cover 1 is assembled with the base 2, the first plug connector 111, the second plug connector 112 and the third plug connector 113 which are arranged in a triangular structure can play a role in positioning the assembly of the protective cover 1, and can prevent the plug connectors from being inserted into the wrong plug holes, and meanwhile, the assembly efficiency between the protective cover 1 and the base 2 can be effectively improved, and the assembly time is shortened.

In some embodiments, for example, as shown in fig. 7, the limiting member 3 is horseshoe-shaped, that is, the outer contour of a part of the limiting member 3 is circular, the outer contour of the part of the limiting member 3 is in a shape of a figure of eight, one end of the figure of eight is provided with a clamping opening, the width of the clamping opening is smaller than that of the plug member, when the plug member is inserted into the clamping opening, the clamping opening is opened, and the limiting member 3 clamps the plug member so as to limit the plug member.

In one embodiment of the present utility model, as shown in fig. 1 to 7, the first connector 111, the second connector 112 and the third connector 113 are all connectors. In this embodiment, the spliced pole itself is cylindricality structure, and its space that occupies is less, can adapt to the condition that the space is not enough in the battery package.

In some embodiments, the plug can also be provided as a plug tab, plug block, or the like, without specific limitation herein.

In one embodiment of the present utility model, as shown in fig. 1 to 7, in the first direction, both the first connector 111 and the second connector 112 are inclined in a direction away from the barrier cover 1. For example, as shown in fig. 1 and fig. 2, the first direction is the length direction of the protective cover 1, the first plug connector 111 and the second plug connector 112 incline towards the outer side of the length direction of the protective cover 1, meanwhile, the inclination angle of the first plug connector 211 is the same as that of the first plug connector 111, and the inclination angle of the second plug connector 212 is the same as that of the second plug connector 112, so when the protective cover 1 is in plug fit with the base 2, only the plug connectors and the plug connectors with the same inclination angle can be correspondingly plugged, the inclined arrangement plays a role in positioning the assembly of the protective cover 1, and the situation of error fit between the plug connectors and the plug connectors is avoided, so that the assembly is more accurate and convenient.

In one embodiment of the present utility model, as shown in fig. 1 to 7, the lower ends of the first, second and third connectors 111, 112 and 113 are each provided with a guide structure 4, and the guide structure 4 includes a first guide slope 41 and a second guide slope 42, the first guide slope 41 being inclined toward a direction approaching the second guide slope 42, and the second guide slope 42 being inclined toward a direction approaching the first guide slope 41, in the up-down direction. In this embodiment, the guiding structure 4 is used for guiding the insertion of the protecting cover 1, so that the assembling of the protecting cover 1 is more convenient and faster; the guide structure 4 is arranged at the lower end of the plug connector and consists of two guide inclined planes, for example, as shown in fig. 3 and 4, the two guide inclined planes incline towards the inner side of the plug connector, and the lower ends of the two guide inclined planes are close to each other, so that the lower end of the plug connector is thinner and narrower, the plug connector is convenient to insert into a plug hole, the assembly speed is accelerated, and in addition, the guide inclined planes have an arc-shaped outer contour, and the base 2 can be prevented from being scratched by the plug connector in the plug connector inserting process.

In one embodiment of the present utility model, as shown in fig. 1 to 7, the guide structure 4 further includes a top surface 43 and an arc surface 44, wherein the top surface 43 and the arc surface 44 are disposed between the first guide inclined surface 41 and the second guide inclined surface 42, the arc surface 44 is disposed in two, and the two arc surfaces 44 are disposed at two ends of the top surface 43, respectively. For example, as shown in fig. 4, the top surface 43 is the lower bottom surface of the connector, the top surface 43 is located in the middle of the guiding structure 4, the circumference of the top surface 43 is connected with the first guiding inclined surface 41, the second guiding inclined surface 42 and two arc surfaces 44, and the top surface 43 is used for preventing the lower end of the connector from scratching or stabbing the base 2 in the process of assembling the protective cover 1; two arcwall surfaces 44 are located on the both ends of top surface 43 respectively, and on the one hand, arcwall surface 44 can cooperate with the arc profile of direction inclined plane, and on the other hand, arcwall surface 44 can further strengthen the guiding capability of guide structure 4 for the grafting of plug connector is more smooth and easy.

In one embodiment of the present utility model, as shown in fig. 1 to 7, the reinforcing ribs 5 are provided between the first, second and third connectors 111, 112 and 113 and the protective cover 1. In this embodiment, the structural strength of the plug connector can be effectively enhanced by the arrangement of the reinforcing ribs 5, and the plug connector can be prevented from breaking in the process of plugging.

In one embodiment of the present utility model, as shown in fig. 1 to 7, both ends of the barrier cover 1 are provided with first insertion portions 11 in the first direction. For example, as shown in fig. 1 and 2, in the first direction, two first plugging portions 11 are provided, and two first plugging portions 11 are symmetrically provided at two ends of the protective cover 1, so that the connection strength between the protective cover 1 and the base 2 and the connection stability of the protective cover 1 can be effectively enhanced.

In a specific embodiment of the present utility model, as shown in fig. 1 to 7, the first connector 111 and the second connector 112 are both in arc transition connection with the protective cover 1, the base 2 includes a first circular groove 22 and a second circular groove 23, the first connector hole 211 is located in the first circular groove 22, the second connector hole 212 is located in the second circular groove 23, and the radius of the first circular groove 22 and the radius of the second circular groove 23 are equal to the radius of the arc. For example, as shown in fig. 1, the first plug connector 111 and the second plug connector 112 are connected with the end part of the protective cover 1 in an arc transition manner, the cover body of the protective cover 1 in the arc transition portion protrudes outwards, when the first plug connector 111 is matched with the first plug hole 211, the arc protruding part between the first plug connector 111 and the protective cover 1 can be hidden in the first circular groove 22, so that the overall height of the protective cover 1 after being matched with the base 2 is shortened, the overall volume is reduced, the battery pack with smaller space can be better adapted, and on the other hand, the protective cover 1 and the base 2 are simpler and more attractive overall, and similarly, the arc protruding part between the second plug connector 112 and the protective cover 1 can be hidden in the second circular groove 23; in addition, the radius of the arc protruding part is the same as that of the circular groove, so that the arc protruding part is smoother in the process of being matched with the circular groove, and the condition of mutual interference can not occur.

In one embodiment of the present utility model, as shown in fig. 1 to 7, the protective cover 1 includes a holding portion 12, the holding portion 12 includes a first holding plate 121 and a second holding plate 122, the first holding plate 121 and the second holding plate 122 are located at two sides of the protective cover 1 in the second direction, respectively, the first holding plate 121 and the second holding plate 122 extend downward, a first supporting plate 123 is disposed on the first holding plate 121, a second supporting plate 124 is disposed on the second holding plate 122, and the first supporting plate 123 and the second supporting plate 124 extend in the second direction. In the present embodiment, the holding portion 12 facilitates the assembly personnel to hold the protective cover 1 to insert the protective cover 1 on the base 2 or to pull the protective cover 1 out of the base 2; the first clamping plate 121 and the second clamping plate 122 can provide a force application point so that an assembler can hold the protective cover 1; the first support plate 123 and the second support plate 124 are used for providing support points to provide support for force application fingers of an assembler, so that the force application of the assembler is facilitated, and the assembler can more conveniently and rapidly complete the assembly or disassembly of the protective cover 1.

Other configurations and operations of the output terminal assembly 100 according to embodiments of the present utility model are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. An output terminal assembly for a battery module, comprising:

the protective cover (1), the protective cover (1) is provided with a first inserting part (11);

the base (2), the base (2) is provided with a second plug-in connection part (21), the first plug-in connection part (11) is correspondingly matched with the second plug-in connection part (21), so that the protective cover (1) is covered on the base (2); and a limiting piece (3) is arranged in the second plug-in part (21) so as to limit the first plug-in part (11).

2. The output end assembly according to claim 1, characterized in that the first plug part (11) comprises a first plug part (111), a second plug part (112) and a third plug part (113), the second plug part (21) comprises a first plug hole (211), a second plug hole (212) and a third plug hole (213), the third plug part (113) is located between the first plug part (111) and the second plug part (112), and the first plug part (111), the second plug part (112) and the third plug part (113) are arranged in a triangular structure.

3. The output end assembly according to claim 2, characterized in that the first plug connector (111), the second plug connector (112) and the third plug connector (113) are plug posts.

4. A output end assembly according to claim 2 or 3, characterized in that in a first direction, the first plug (111) and the second plug (112) are both inclined in a direction away from the protective cover (1).

5. The output end assembly according to claim 2, characterized in that the lower ends of the first plug connector (111), the second plug connector (112) and the third plug connector (113) are provided with guide structures (4), the guide structures (4) comprise a first guide inclined surface (41) and a second guide inclined surface (42), the first guide inclined surface (41) is inclined towards a direction approaching the second guide inclined surface (42) in an up-down direction, and the second guide inclined surface (42) is inclined towards a direction approaching the first guide inclined surface (41).

6. The output end assembly according to claim 5, wherein the guiding structure (4) further comprises a top surface (43) and an arc surface (44), the top surface (43) and the arc surface (44) are both arranged between the first guiding inclined surface (41) and the second guiding inclined surface (42), the arc surface (44) is provided with two, and the two arc surfaces (44) are respectively arranged at two ends of the top surface (43).

7. The output end assembly according to claim 2, characterized in that between the first plug connector (111), the second plug connector (112) and the third plug connector (113) and the protective cover (1) reinforcing ribs (5) are arranged.

8. The output end assembly according to claim 1 or 2, characterized in that in a first direction both ends of the protective cover (1) are provided with the first plug-in part (11).

9. The output end assembly according to claim 2, characterized in that the first plug connector (111) and the second plug connector (112) are in arc transition connection with the protective cover (1), the base (2) comprises a first circular groove (22) and a second circular groove (23), the first plug hole (211) is located in the first circular groove (22), the second plug hole (212) is located in the second circular groove (23), and the radius of the first circular groove (22) and the radius of the second circular groove (23) are equal to the radius of the arc.

10. The output end assembly according to claim 1 or 2, wherein the protective cover (1) comprises a hand-held part (12), the hand-held part (12) comprises a first clamping plate (121) and a second clamping plate (122), the first clamping plate (121) and the second clamping plate (122) are respectively located at two sides of the protective cover (1) in a second direction, the first clamping plate (121) and the second clamping plate (122) are respectively extended downwards, a first supporting plate (123) is arranged on the first clamping plate (121), a second supporting plate (124) is arranged on the second clamping plate (122), and the first supporting plate (123) and the second supporting plate (124) are respectively extended along the second direction.