CN220692286U - Output electrode base and battery pack - Google Patents
Output electrode base and battery pack Download PDFInfo
- Publication number
- CN220692286U CN220692286U CN202322353429.6U CN202322353429U CN220692286U CN 220692286 U CN220692286 U CN 220692286U CN 202322353429 U CN202322353429 U CN 202322353429U CN 220692286 U CN220692286 U CN 220692286U
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- output pole
- connecting piece
- base
- conductive
- insulating base
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- 239000004033 plastic Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses an output pole base, which comprises an insulating base and a conductive bracket fixed on the insulating base, wherein a connecting piece is arranged in the conductive bracket, and at least one of the connecting piece and the conductive bracket forms a step structure to limit the axial movement of the connecting piece. According to the output pole base, the connecting piece and at least one of the conductive brackets form the step structure, and the step structure enables the connecting piece not to easily loose axially, so that the torsion resistance and the pull-out resistance of the connecting piece on the conductive brackets are improved, and the connection reliability between the connecting piece and the conductive brackets is further improved. In addition, the utility model also provides a battery pack with the output electrode base.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to an output electrode base and a battery pack.
Background
In an electric vehicle, a battery component is one of key components of the electric vehicle, and the safety performance of the battery component directly affects the overall safety.
In the battery pack, the output electrode base is used for connecting the output electrode connecting sheet and providing insulation protection for the output electrode connecting sheet. At present, the output pole base is fixedly connected with the output pole connecting piece through a bolt, a nut is arranged in the output pole base, a bolt hole is formed in the output pole connecting piece, and when the output pole base is connected with the output pole connecting piece, the bolt penetrates through the bolt hole and is in threaded connection with the nut of the output pole base.
However, in the whole vehicle driving process, the battery pack can vibrate along with the whole vehicle, and in the vibration process, the nut in the output electrode base is easily pulled out, so that the connection part of the nut and the output electrode base is loosened, and the locking reliability is further affected.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides an output pole base and a battery pack, wherein at least one of a connecting member and a conductive bracket in the output pole base forms a step structure, and the step structure can limit the axial movement of the connecting member to prevent the connecting member from being pulled out, thereby improving the locking reliability.
The utility model adopts the technical proposal for solving the problems that:
an output pole mount comprising:
an insulating base;
a conductive bracket fixed on the insulating base;
wherein, a connecting piece is arranged in the conductive bracket; the connector forms a stepped structure with at least one of the conductive brackets to limit axial movement of the connector.
Further, at least a portion of the connector is located within the insulating base.
Further, the connecting piece is riveted to the conductive support.
Further, the connecting piece is a press-riveting nut, and an annular protruding edge is arranged at the top of the press-riveting nut so as to form the step structure.
Further, the conductive support and the insulating base are integrally formed.
Further, a cavity is arranged in the conductive support, and at least part of the connecting piece is positioned in the cavity; and part of the insulating base is filled in the cavity.
Further, the conductive support is of an annular structure, a part of the conductive support is concave and forms a groove body, and the groove body is filled with a part of the insulating base.
Further, the insulating base is also provided with a buckle or a clamping hole for being fixed on the battery module frame or the battery box body.
Further, limiting plates for limiting the output electrode connecting sheets are convexly arranged on two sides of the insulating base.
In addition, the utility model also provides a battery pack which comprises the output electrode base and the output electrode connecting sheet, wherein the output electrode connecting sheet is connected with the connecting piece through a fastener so as to be fixed on the output electrode base.
In summary, the output electrode base and the battery pack provided by the utility model have the following beneficial effects:
(1) According to the output pole base, the connecting piece and at least one of the conductive brackets form the step structure, and the step structure enables the connecting piece not to easily loose axially, so that the torsion resistance and the pull-out resistance of the connecting piece on the conductive brackets are improved, and the connection reliability between the connecting piece and the conductive brackets is further improved.
(2) According to the output electrode base, the connecting piece is fixed on the conductive support by adopting the press riveting process, so that the connection reliability between the output electrode base and the conductive support is further improved.
(3) According to the output pole base disclosed by the utility model, the conductive support and the insulating base are integrally formed, the conductive support is designed into an annular structure, a cavity is formed in the conductive support, the top of the conductive support is also recessed with the groove body, and insulating materials are filled in the cavity and the groove body, so that the contact area between the conductive support and the insulating base is increased, and the connection reliability between the conductive support and the insulating base is further improved.
(4) According to the output electrode base, the insulating base is provided with the clamping buckles or the clamping holes, so that the output electrode base is convenient to install and reliable in structure.
Drawings
FIG. 1 is an exploded view of the output pole mount of the present utility model;
FIG. 2 is a schematic view of the structure of the output electrode base of the present utility model;
FIG. 3 is a schematic bottom view of the output pole mount of the present utility model;
FIG. 4 is a top view of the output pole mount of the present utility model;
FIG. 5 is a schematic view in section A-A of FIG. 4;
FIG. 6 is an exploded view of a part of the structure of the battery pack according to the present utility model;
fig. 7 is an exploded view of the battery case and the output electrode base in the battery pack of the present utility model.
Wherein the reference numerals have the following meanings:
1. an output electrode base; 11. an insulating base; 111. a buckle; 112. a limiting plate; 12. a conductive support; 121. a cavity; 122. a tank body; 13. a connecting piece; 131. an annular convex edge; 132. a step structure; 2. an output electrode connecting sheet; 3. a transfer bracket; 4. a first transfer connection tab; 5. the second switching connection piece; 6. a BDU system; 7. a battery case; 71. an inner beam; 711. a mounting groove; 7111. and (5) clamping the hole.
Detailed Description
For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.
In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the modules or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Example 1
Referring to fig. 1 to 5, the present utility model provides an output electrode mount 1, and the output electrode mount 1 is used to provide insulation protection for an output electrode connection sheet 2 in a battery module. Specifically, the output pole base 1 includes an insulating base 11 and a conductive bracket 12 fixed on the insulating base 11, wherein a connecting piece 13 is disposed in the conductive bracket 12, and a part of the connecting piece 13 is disposed in the insulating base 11. In addition, at least one of the connecting member 13 and the conductive bracket 12 forms a step structure 132, and the step structure 132 can be used to limit the movement of the connecting member 13 in the axial direction so as to prevent the connecting member 13 from being pulled off, thereby affecting the locking reliability.
Specifically, the connecting piece 13 is a press-riveting nut, the top of the press-riveting nut is provided with an annular protruding edge 131, the diameter of the annular protruding edge 131 is smaller than that of a nut of the press-riveting nut, so that a step structure 132 is formed, and the step structure 132 is embedded in the conductive bracket 12, so that the movement of the connecting piece 13 in the axial direction can be limited.
Therefore, when the connecting piece 13 is stressed, the step structure 132 enables the connecting piece 13 not to be easy to loose axially, so that the torsion resistance and the pull-out resistance of the connecting piece 13 on the conductive support 12 are improved, and the connection reliability between the connecting piece 13 and the conductive support 12 is further improved.
Of course, in other embodiments, a step groove may be formed in the conductive support 12 to form the step structure 132, and the connecting piece 13 is clamped in the step structure so as to limit the movement of the connecting piece 13 in the axial direction, which can achieve the same technical effect, which is not limited herein.
Wherein, the insulating base 11 is made of plastic or plastic material; the conductive bracket 12 is a copper bracket, the press-riveting nut is fixed in the conductive bracket 12 through a press-riveting process, and the upper part of the press-riveting nut is embedded in the conductive bracket 12; the lower part of the press-riveting nut passes through the conductive bracket 12 and extends into the insulating base 11, and is integrally injection-molded with the insulating base 11 to improve the supporting strength of the press-riveting nut.
The connecting piece 13 can thereby fix the output electrode connecting piece 2 to the insulating base 11, thereby functioning to connect and fasten the output electrode connecting piece 2. Meanwhile, the insulating base 11 is of an injection molded plastic structure or a plastic structure, so that insulating protection of the output electrode connecting sheet 2 can be achieved.
Further, the conductive bracket 12 and the insulating base 11 are integrally injection molded, thereby realizing the fixed connection between the conductive bracket 12 and the insulating base 11. Specifically, the two sides of the conductive support 12 are bent inwards to form a circular ring structure, a cavity 121 is formed in the circular ring structure, and the upper part of the connecting piece 13 is positioned in the cavity 121; the cavity 121 is filled with plastic in areas other than the connector 13. In addition, the middle of the top of the conductive bracket 12 is also recessed to form a groove 122, and the groove 122 is also filled with plastic.
Therefore, the cavity 121 and the groove 122 in the conductive bracket 12 are filled with plastic materials, so that the contact area between the conductive bracket 12 and the insulating base 11 is increased, and the connection reliability between the conductive bracket 12 and the insulating base is improved.
Further, the bottom of the insulating base 11 is further provided with a buckle 111, the buckle 111 is two elastic protruding blocks arranged at intervals, and the two elastic protruding blocks can displace when being stressed, so that the insulating base 11 can be conveniently clamped in the clamping hole 7111, and further the insulating base 11 is fixed on the battery module frame or the battery box 7.
In addition, the two sides of the insulating base 11 are further integrally provided with limiting plates 112 extending upwards, and the output electrode connecting sheet 2 is clamped between the two limiting plates 112 to realize limiting, so that the output electrode connecting sheet 2 is prevented from being offset when being locked on the output electrode base 1, and short circuit is further caused.
Example two
Referring to fig. 6 to 7, the present utility model further provides a battery pack including a battery case 7, a battery module (not shown) disposed in the battery case 7, and the output electrode base 1 of the first embodiment. The battery box 7 is internally provided with an inner beam 71 to divide the battery box 7 into a first cavity for placing the battery module and a second cavity for placing the BDU system.
The inner beam 71 is provided with a mounting groove 711, and the output electrode base 1 is mounted in the mounting groove 711. Specifically, the mounting groove 711 is provided with a locking hole 7111, and the output electrode base 1 can be mounted on the inner beam 71 by locking the locking hole 7111 in the mounting groove 711 with the locking buckle 111 on the output electrode base 1.
Of course, in other embodiments, the positions of the clip 111 and the clip hole 7111 may be reversed, that is, the clip 111 is disposed in the mounting groove 711, and the clip hole 7111 is disposed on the insulating base 11, which is not limited herein.
Further, the battery module is provided with the output electrode connecting sheet 2, the output electrode connecting sheet 2 is provided with a through hole, and the output electrode connecting sheet 2 can be fixed on the output electrode base 1 by penetrating the through hole through a fastener and connecting with the connecting piece 13. In this embodiment, the fastener is a bolt that is threadably coupled to the clinch nut.
In addition, a switching bracket 3 is further mounted on the inner beam 71 on the side wall of the second cavity, and the switching bracket 3 is respectively connected with a first switching connection piece 4 and a second switching connection piece 5. Specifically, two connecting pieces 13 arranged in parallel are arranged on the insulating base 11, the output electrode connecting piece 2 is connected with one connecting piece 13 through a bolt, one end of the first switching connecting piece 4 is connected with the other connecting piece 13 on the insulating base 11 through a bolt, the other end of the first switching connecting piece is connected with the second switching connecting piece 5, and the other end of the second switching connecting piece 5 is connected with the BDU system.
In this embodiment, the first switching connection piece 4 and the second switching connection piece 5 are both high-voltage copper bars.
In summary, the output electrode base 1 and the battery pack provided by the present utility model have the following
The beneficial effects are that:
the output pole base 1 of the utility model has the advantages that the step structure 132 is formed by the connecting piece 13 and at least one of the conductive brackets 12, and the step structure 132 ensures that the connecting piece 13 is not easy to loose axially, so that the torsion resistance and the pull-out resistance of the connecting piece 13 on the conductive brackets 12 are improved, and the connection reliability between the connecting piece 13 and the conductive brackets 12 is further improved.
And (II) the output electrode base 1 of the utility model is characterized in that the connecting piece 13 is fixed on the conductive bracket 12 by adopting a press riveting process, so that the connection reliability between the output electrode base and the conductive bracket is further improved.
And thirdly, according to the output pole base 1 disclosed by the utility model, the conductive support 12 and the insulating base 11 are integrally formed, the conductive support 12 is designed into an annular structure and is internally provided with the cavity 121, the top of the conductive support 12 is also recessed with the groove 122, and insulating materials are filled in the cavity 121 and the groove 122, so that the contact area between the conductive support 12 and the insulating base 11 is increased, and the connection reliability between the conductive support 12 and the insulating base 11 is further improved.
Fourth, the insulating base 11 of the output pole base 1 of the present utility model is provided with the buckle 111 or the clamping hole 7111, so that the output pole base 1 is convenient to install and has a reliable structure.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or be indirectly connected to the other element.
It should be understood that the terms "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the modules or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, in the description of the present utility model, the meaning of "a plurality", "a number" is two or more, unless explicitly defined otherwise.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (10)
1. An output pole mount, comprising:
an insulating base (11);
a conductive bracket (12) fixed to the insulating base (11);
wherein, a connecting piece (13) is arranged in the conductive bracket (12); the connector (13) forms a stepped structure (132) with at least one of the conductive brackets (12) to limit axial movement of the connector (13).
2. The output pole mount according to claim 1, characterized in that at least part of the connection piece (13) is located within the insulating mount (11).
3. The output pole base according to claim 1, characterized in that the connecting piece (13) is riveted to the conductive bracket (12).
4. -the output pole base according to claim 3, characterized in that the connecting piece (13) is a press-riveting nut, the top of which is provided with an annular flange (131) to form the step structure (132).
5. The output pole mount according to any of the claims 1-4, characterized in that the electrically conductive bracket (12) is integrally formed with the insulating mount (11).
6. The output pole base according to claim 5, characterized in that a cavity (121) is provided inside the conductive bracket (12), at least part of the connection piece (13) being located inside the cavity (121); the cavity (121) is filled with a part of the insulating base (11).
7. The output pole base according to claim 5, characterized in that the conductive support (12) has a ring-shaped structure, and a portion of the conductive support (12) is recessed and forms a groove (122), and the groove (122) is filled with a portion of the insulating base (11).
8. The output pole base according to claim 1, characterized in that the insulating base (11) is further provided with a buckle (111) or a clamping hole (7111) for fixing on a battery module frame or a battery box.
9. The output pole base according to claim 1, characterized in that limiting plates (112) for limiting the output pole connecting pieces (2) are convexly arranged on two sides of the insulating base (11).
10. Battery pack, characterized by comprising an output pole mount (1) according to any of claims 1-9 and an output pole connection piece (2), the output pole connection piece (2) being connected with the connection piece (13) by means of a fastener for fixing on the output pole mount (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322353429.6U CN220692286U (en) | 2023-08-30 | 2023-08-30 | Output electrode base and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322353429.6U CN220692286U (en) | 2023-08-30 | 2023-08-30 | Output electrode base and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220692286U true CN220692286U (en) | 2024-03-29 |
Family
ID=90407687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322353429.6U Active CN220692286U (en) | 2023-08-30 | 2023-08-30 | Output electrode base and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220692286U (en) |
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2023
- 2023-08-30 CN CN202322353429.6U patent/CN220692286U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |