High-voltage copper bar fixing buckle

Abstract

The utility model discloses a high-voltage copper bar fixing buckle, and relates to the technical field of battery accessories. The buckle comprises a main body, a first limiting part, a second limiting part, a third limiting part and a fourth limiting part, the first limiting part and the second limiting part are oppositely arranged at the top end of the main body in the front-back direction, and the first limiting part and the second limiting part are obliquely arranged in the center direction of the main body; the third limiting part and the fourth limiting part are oppositely arranged at the bottom end of the main body in the front-back direction, the third limiting part and the fourth limiting part are obliquely arranged in the center direction of the main body, and a clamping body is further vertically arranged at the bottom end of the main body; the clamping body is located between the third limiting part and the fourth limiting part. The high-voltage copper bar fixing buckle provided by the utility model can replace a traditional wire harness ribbon and is used for stabilizing and fixing a copper bar and preventing the high-voltage copper bar from moving.

Description

Technical Field

[0001] This utility model relates to the field of battery accessory technology, and in particular to a high-voltage copper busbar fixing buckle. Background Technology

[0002] Currently, most of the series and parallel wiring harnesses between battery modules in new energy vehicles in China are achieved through high-voltage copper busbars. The high-voltage copper busbars are further tightened and fixed to the battery pack housing structure by wiring harness cable ties to prevent the copper busbars from loosening.

[0003] However, since high-voltage copper busbars are flat and long with low hardness, when using cable ties to secure them, the high-voltage copper busbars may deform due to compression if the cable ties are too tight, resulting in poor conductivity. Alternatively, the high-voltage copper busbars may become loose due to the cable ties being too loose, causing them to rub against the cable ties and damage the insulating film on their surface, leading to circuit leakage and potential battery safety hazards. Utility Model Content

[0004] To address the aforementioned technical problems in the existing technology, this utility model provides a high-voltage copper busbar fixing buckle, which can replace traditional wire harness cable ties to stably fix the high-voltage copper busbar and prevent it from moving.

[0005] The technical solution of this utility model to solve the above problems is: to provide a high-voltage copper busbar fixing buckle, the buckle including a main body, a first limiting part, a second limiting part, a third limiting part, and a fourth limiting part. The first limiting part and the second limiting part are arranged opposite to each other in the front-back direction at the top of the main body, and both the first limiting part and the second limiting part are inclined towards the center of the main body. The third limiting part and the fourth limiting part are arranged opposite to each other in the front-back direction at the bottom of the main body, and both the third limiting part and the fourth limiting part are inclined towards the center of the main body. A locking body is also vertically arranged at the bottom of the main body, and the locking body is located between the third limiting part and the fourth limiting part.

[0006] Furthermore, the snap-fit ​​body includes a main shaft, a first elastic snap-fit ​​arm, and a second elastic snap-fit ​​arm. The first elastic snap-fit ​​arm and the second elastic snap-fit ​​arm are both fixedly connected to the bottom end of the main shaft and are respectively inclined to the left and right sides.

[0007] Furthermore, both the upper ends of the first and second elastic snap-fit ​​arms have upward-facing disassembly portions.

[0008] Furthermore, both the connection position of the disassembly part with the first elastic snap-fit ​​arm and the connection position of the disassembly part with the second elastic snap-fit ​​arm have upwardly formed abutting and limiting end face, and the bottom end of the main body is also provided with a first abutting support arm and a second abutting support arm that abut against and cooperate with the abutting and limiting end face.

[0009] Furthermore, the first abutting arm and the second abutting arm are arranged opposite each other in the left-right direction, and the first abutting arm and the second abutting arm are inclined to the left and right sides of the main body.

[0010] Furthermore, a structural rib is provided at the center of the bottom end of the main body, and the snap-fit ​​body is integrally connected to the structural rib.

[0011] Furthermore, the main body is provided with several structural through holes in a vertical direction.

[0012] Furthermore, the first limiting part, the second limiting part, the third limiting part, and the fourth limiting part are all elastic arms.

[0013] The beneficial effects of this utility model are:

[0014] 1. The first limiting part and the second limiting part cooperate to clamp and fix the high voltage copper busbar; moreover, when the first limiting part and the second limiting part cooperate to clamp and fix the high voltage copper busbar, they rely on their own elasticity, which is more flexible than the cable tie harness. Therefore, it can effectively avoid the phenomenon of the high voltage copper busbar being squeezed, deformed and bent due to excessive clamping.

[0015] 2. The entire buckle is also clamped to the internal partition of the battery pack by the cooperation of the third and fourth limiting parts, making installation convenient, quick and easy and simple to operate.

[0016] 3. The bottom of the main body is also provided with a snap-fit ​​body. Even if the manufacturing precision is insufficient, the snap-fit ​​body can still ensure that the main body is fixed in the upper limit in the left and right directions and the vertical direction through the elastic tension of the first elastic snap-fit ​​arm and the second elastic snap-fit ​​arm. The third and fourth limiting parts can also ensure that the main body is clamped to the separator inside the battery pack in the front and back directions, thereby ensuring that the main body can be stably fixed to the separator and will not easily loosen, thus stably fixing the high voltage copper busbar. Attached Figure Description

[0017] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the present invention. In these drawings, similar reference numerals are used to denote similar elements. The drawings described below are some embodiments of the present invention, but not all embodiments. Other drawings will be readily available to those skilled in the art based on these drawings without any inventive effort.

[0018] Figure 1 This is an overall structural diagram of the buckle in this embodiment;

[0019] Figure 2 This is a cross-sectional view of the buckle in this embodiment;

[0020] 11-Main body, 12-First limiting part, 13-Second limiting part, 14-Third limiting part, 15-Fourth limiting part, 16-Snap-fit ​​body, 161-Main shaft, 162-First elastic snap-fit ​​arm, 163-Second elastic snap-fit ​​arm, 164-Disassembly part, 165-Abutting limiting end face, 17-First abutting support arm, 18-Second abutting support arm, 19-Structural rib, 20-Structural through hole. Detailed Implementation

[0021] The directional terms such as up, down, left, right, front, back, front, back, top, and bottom mentioned or possibly used in this specification are defined relative to the construction shown in the accompanying drawings. The terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively. These are relative concepts and may therefore vary depending on their location and usage. Therefore, these or other directional terms should not be interpreted as restrictive.

[0022] Please see Figure 1 and Figure 2 ,by Figure 1Taking the orientation shown in the figure as an example, a high-voltage copper busbar fixing buckle of this utility model includes a main body 11, a first limiting part 12, a second limiting part 13, a third limiting part 14, and a fourth limiting part 15. The main body 11 is a cuboid plastic block, and the first limiting part 12 and the second limiting part 13 are both thin plastic sheets. The first limiting part 12 is integrally disposed on the left rear side of the upper end face of the main body 11, and the second limiting part 13 is integrally disposed on the right front side of the upper end face of the main body 11. The first limiting part 12 and the second limiting part 13 are arranged opposite to each other, and both the first limiting part 12 and the second limiting part 13 are inclined towards the center of the upper end face of the main body 11; the third limiting part 14 and the fourth limiting part 15 are also plastic sheets, the third limiting part 14 is integrally arranged on the left rear side of the lower end face of the main body 11, and the fourth limiting part 15 is integrally arranged on the right front side of the lower end face of the main body 11, and both the third limiting part 14 and the fourth limiting part are inclined towards the center of the lower end face of the main body 11.

[0023] In response, the first limiting part 12 and the second limiting part 13 cooperate with each other to form an upper end face clamping structure on the upper end face of the main body 11 for elastically clamping and fixing the high voltage copper busbar; the third limiting part 14 and the fourth limiting part 15 can also cooperate with each other to form a lower end face clamping structure on the lower end face of the main body 11 for elastically clamping the edge position of the separator in the battery pack, so as to fix the high voltage copper busbar.

[0024] It should be noted that in this embodiment, the main body 11, the first limiting part 12, the second limiting part 13, the third limiting part 14, and the fourth limiting part 15 are integrally injection molded from elastic plastic material.

[0025] Further, please refer to Figure 1 and Figure 2 In this embodiment, in order to ensure that the main body 11 can be stably and securely installed on the separator of the battery pack without any loosening, a structural rib 19 is provided at the center of the lower end face of the main body 11. A snap-fit ​​body 16 is also integrally provided vertically on the lower end face of the structural rib 19. The snap-fit ​​body 16 uses its own elasticity to fix the main body 11 in both vertical and left-front to right-rear directions. In conjunction with the third limiting part 14 and the fourth limiting part 15, which are already fixed to the main body 11 in the left-rear to right-front direction, the main body 11 is effectively fixed from all three axes (X, Y, and Z) to ensure that the main body 11 will not loosen after being fixed to the edge of the separator, and effectively prevent friction between the main body 11 and the high-voltage copper busbar.

[0026] For details, please refer to further information. Figure 2 ,by Figure 2Taking the orientation shown as an example, the snap-fit ​​body 16 includes a main shaft 161, a first elastic snap-fit ​​arm 162, and a second elastic snap-fit ​​arm 163. The first elastic snap-fit ​​arm 162 is located on the left side of the main shaft 161 and is inclined to the left side of the main shaft 161. The second elastic snap-fit ​​arm 163 is located on the right side of the main shaft 161 and is inclined to the right side of the main shaft 161. Both the first elastic snap-fit ​​arm 162 and the second elastic snap-fit ​​arm 163 are made of elastic plastic.

[0027] In addition, the upper ends of the first elastic snap-fit ​​arm 162 and the second elastic snap-fit ​​arm 163 are both vertically and integrally provided with a disassembly part 164. The cross-sectional area of ​​the disassembly part 164 is smaller than the cross-sectional area of ​​the first elastic snap-fit ​​arm 162 or the second elastic snap-fit ​​arm 163, so that a contact limiting end face 165 is formed at the connection position of the first elastic snap-fit ​​arm 162 and one disassembly part 164, and another contact limiting end face 165 is also formed at the connection position of the second elastic snap-fit ​​arm 163 and the other disassembly part 164. At the same time, a first abutting support arm 17 and abutting support arm 18 are also provided on the lower end surface of the main body 11. The first abutting support arm 17 and the second abutting support arm 18 are also arranged opposite each other in the left-right direction, and the first abutting support arm 17 is inclined to the left and the second abutting support arm 18 is inclined to the right.

[0028] In response, when the snap-fit ​​body 16 is inserted downward into the corresponding snap-fit ​​hole on the partition, the first elastic snap-fit ​​arm 162 and the second elastic snap-fit ​​arm 163 can elastically deform towards the center of the main shaft 161 under the limiting action of the opening of the snap-fit ​​hole, thereby causing the entire snap-fit ​​body 16 to shrink and be inserted into the snap-fit ​​hole. After the first elastic snap-fit ​​arm 162 and the second elastic snap-fit ​​arm 163 have completely entered the snap-fit ​​hole, the first elastic snap-fit ​​arm 162 and the second elastic snap-fit ​​arm 163 automatically open to the left and right sides under their own elastic force, so that the two disassembly parts 164 are respectively pressed against the left and right sides of the snap-fit ​​hole under the elastic force of the two elastic snap-fit ​​arms, thereby limiting the snap-fit ​​body 16, the main body 11 and the high-voltage copper busbar snapped on the upper end of the main body 11 in the left and right directions.

[0029] Furthermore, when the two disassembly parts 164 are respectively pressed against the left and right sides of the snap-fit ​​hole, the abutting and limiting end face 165 at the connection position of the first elastic snap-fit ​​arm 162 and the disassembly part 164, together with the first abutting support arm 17, presses against the plate wall structure at the left edge of the snap-fit ​​hole. Similarly, the abutting and limiting end face 165 at the connection position of the second elastic snap-fit ​​arm 163 and the other disassembly part 164, together with the second abutting support arm 18, presses against the plate wall structure at the right edge of the snap-fit ​​hole, so as to fix and limit the snap-fit ​​body 16, the main body 11 and the high-voltage copper busbar snapped on the upper end of the main body 11 in the vertical direction.

[0030] It should be noted that: Please refer to Figure 2 In this embodiment, when the snap-fit ​​body 16 is fully snapped and fixed on the partition, the disassembly part 164 is still inserted into the snap-fit ​​hole. Therefore, when disassembling the fixing buckle of this embodiment, the technician can first push the snap-fit ​​body 16 to the left, and with the help of the disassembly part 164 on the left, deform the first elastic snap-fit ​​arm 162 and bring it closer to the main shaft 161, so that the second elastic snap-fit ​​arm 163 can move to the left and pass through the snap-fit ​​hole upward. Then, push the snap-fit ​​body 16 to the right, so that the first elastic snap-fit ​​arm 162 moves to the right and passes through the snap-fit ​​hole upward, thereby removing the snap-fit ​​body 16 and the main body 11.

[0031] In this embodiment, the first abutting arm 17 and the second abutting arm 18 are plastic strip structures, both of which are made of elastic plastic material and are integrally injection molded with the main body 11.

[0032] In other embodiments, the upper ends of the first elastic snap-fit ​​arm 162 and the second elastic snap-fit ​​arm 163 may not be provided with additional disassembly parts 164. In this way, when the snap-fit ​​body 16 is inserted downward into the corresponding snap-fit ​​hole on the partition, the first elastic snap-fit ​​arm 162 and the second elastic snap-fit ​​arm 163 can elastically deform towards the center of the main shaft 161 under the limiting action of the opening of the snap-fit ​​hole, so that the entire snap-fit ​​body 16 shrinks and is inserted into the snap-fit ​​hole. After the snap-fit ​​body 16 is fully inserted into the snap-fit ​​hole, the first elastic snap-fit ​​arm 162 and the second elastic snap-fit ​​arm 163 automatically open outward under the action of elastic force. After the upper end faces of the first elastic snap-fit ​​arm 162 and the second elastic snap-fit ​​arm 163 open, they can abut against the body structure on the partition located at the edge of the snap-fit ​​hole, thereby forming an anti-detachment limit to restrict the main body 11 from detaching from the partition.

[0033] In this embodiment, the elastic plastic can be selected from polyester materials, such as SKYPEL.

[0034] The upper ends of the first elastic snap-fit ​​arm 162 and the second elastic snap-fit ​​arm 163 are both formed with an upward-facing disassembly portion 164.

[0035] Furthermore, in order to reduce the weight of the main body 11 and lower material costs, while ensuring the structural strength of the main body 11, several structural through holes 20 are also vertically provided on the main body 11.

[0036] Anything not mentioned above applies to existing technologies.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A high-voltage copper bar fixing buckle, characterized in that, The buckle comprises a main body (11), a first limiting part (12), a second limiting part (13), a third limiting part (14), and a fourth limiting part (15). The first limiting part (12) and the second limiting part (13) are oppositely arranged at the top end of the main body (11) in the front-rear direction, and are both inclined towards the center of the main body (11). The third limiting part (14) and the fourth limiting part (15) are oppositely arranged at the bottom end of the main body (11) in the front-rear direction, and are both inclined towards the center of the main body (11). The bottom end of the main body (11) is also vertically provided with a clamping body (16), which is located between the third limiting part (14) and the fourth limiting part (15).

2. The clasp of claim 1, wherein, The clamping body (16) comprises a main shaft (161), a first elastic clamping arm (162), and a second elastic clamping arm (163). The first elastic clamping arm (162) and the second elastic clamping arm (163) are both fixedly connected to the bottom end of the main shaft (161) and are respectively inclined to the left and right sides.

3. The clasp of claim 2, wherein, The upper end of the first elastic clamping arm (162) and the upper end of the second elastic clamping arm (163) are both formed with a dismounting part (164) upward.

4. The clasp of claim 3, wherein, The connection position of the dismounting part (164) and the first elastic clamping arm (162), and the connection position of the dismounting part (164) and the second elastic clamping arm (163) are both formed with an abutting limiting end face (165) upward. The bottom end of the main body (11) is also provided with a first abutting arm (17) and a second abutting arm (18) which abut against each other with the abutting limiting end face (165).

5. The clasp of claim 4, wherein, The first abutting arm (17) and the second abutting arm (18) are oppositely arranged in the left-right direction, and are inclined to the left and right sides of the main body (11).

6. The clasp of claim 1, wherein, The bottom end of the main body (11) is also provided with a structural rib (19) at the center position, and the clamping body (16) is integrally connected with the structural rib (19).

7. The clasp of claim 1, wherein, A plurality of structural through holes (20) are vertically arranged on the main body (11).

8. The clasp of claim 1, wherein, The first limiting part (12), the second limiting part (13), the third limiting part (14), and the fourth limiting part (15) are all elastic arms.

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