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CN-224217599-U - Multichannel output stage base assembly

CN224217599UCN 224217599 UCN224217599 UCN 224217599UCN-224217599-U

Abstract

The utility model relates to the technical field of battery packs, in particular to a multichannel output stage base assembly which comprises a base body, an insert nut and a high-voltage protection cover, wherein a rectangular groove is formed in the top of the base body, the insert nut is inlaid on the bottom of the rectangular groove, a back-off buckle is arranged at the bottom of the base body and used for fixedly inserting the base body into a box body, openings are formed in three groove walls of the rectangular groove, and the inner sides of the openings are used for penetrating a high-voltage conductor. The utility model provides a multichannel output stage base assembly, wherein a base body is arranged in a box body through a back-off, so that the multichannel output stage base assembly is convenient and quick. Meanwhile, the high-voltage conductors are conveniently arranged in different opening directions according to the spatial arrangement in the battery pack by arranging the openings in three directions, so that the flexibility is good, and the problems that the installation of the existing output stage base is complicated and the arrangement direction of the high-voltage conductors is inflexible are solved.

Inventors

  • ZENG QINGHU

Assignees

  • 孝感楚能新能源创新科技有限公司

Dates

Publication Date
20260508
Application Date
20250313

Claims (9)

  1. 1. A multi-channel output stage base assembly comprises a base body (1), an insert nut (2) and a high-pressure protective cover, wherein, The top of the base body (1) is provided with a rectangular groove (101), and the insert nut (2) is embedded on the bottom of the rectangular groove (101); the novel anti-theft box is characterized in that the bottom of the base body (1) is provided with a back-off (11), and the back-off (11) is used for fixing the base body (1) in a plugging manner in the box body; openings (1011) are formed in three groove walls of the rectangular groove (101), and the inner sides of the openings (1011) are used for penetrating into the high-voltage conductors; The high-pressure protective cover comprises a cover body (3), wherein, The cover body (3) is buckled at the top end of the base body (1), and the notch of the rectangular groove (101) is covered by the cover body (3); The bottom of the cover body (3) is provided with a matching groove (301), three groove walls of the matching groove (301) are vertically turned outwards to form a folded edge (31), and the other groove wall is provided with a notch (3011); the three folded edges (31) are in one-to-one correspondence with the three openings (1011).
  2. 2. A multi-channel output stage base assembly according to claim 1, characterized in that a counter-sunk hole (1012) is provided in the bottom of the rectangular slot (101), wherein, The insert nut (2) is inlaid in the counter bore (1012); the top end of the insert nut (2) is aligned with the bottom of the rectangular groove (101).
  3. 3. A multi-channel output stage base assembly according to claim 1, characterized in that the base body (1) is provided with an annular groove (102) at the bottom thereof in the circumferential direction of the insert nut (2), wherein, The upper end of the back-off (11) is arranged in the annular groove (102).
  4. 4. A multi-channel output stage chassis assembly according to claim 3, wherein said back-off (11) is provided with three, wherein, The three back-off fasteners (11) are arranged in a Zhou Xiangcheng delta shape along the annular groove (102).
  5. 5. A multi-channel output stage chassis assembly according to claim 4, wherein said back-off (11) comprises a spring plate (111) and a stopper (112), wherein, The upper end of the elastic plate (111) is fixedly connected with the bottom of the annular groove (102), and the lower end of the elastic plate extends downwards out of the annular groove (102); The limiting block (112) is arranged on one side of the lower end of the elastic plate (111).
  6. 6. A multi-channel output stage chassis assembly according to claim 5, wherein the lower end of said stopper (112) is wedge-shaped.
  7. 7. A multi-channel output stage chassis assembly according to claim 3, wherein said rectangular channel (101) has weight reducing holes (1013) at the bottom thereof, wherein, The lightening hole (1013) communicates with the annular groove (102).
  8. 8. A multi-channel output stage base assembly according to claim 1, characterized in that the side of the cover (3) is provided with a plurality of lugs (32), wherein, The lower ends of the hanging lugs (32) extend downwards to the side of the base body (1); a hanging hole (3201) is formed in the side part of the lower end of the hanging lug (32); A protrusion (12) is arranged at the side part of the base body (1) and at the position corresponding to the hanging hole (3201); the upper end of the projection (12) is wedge-shaped, and the projection (12) is inserted into the hanging hole (3201).
  9. 9. A multi-channel output stage base assembly according to claim 8, characterized in that the lower end of the hanger (32) is bent to the outside of the base body (1) in a pry shape.

Description

Multichannel output stage base assembly Technical Field The utility model relates to the technical field of battery packs, in particular to a multichannel output stage base assembly. Background In the high-voltage electric system of the power battery pack, the connection between the output stage aluminum bar and the high-voltage conductor (copper bar or aluminum bar) is usually realized through bolt fastening, and a connection area of the output stage aluminum bar and the high-voltage conductor is required to be provided with a protective structure to ensure insulation safety. The common scheme is that a bolt connection point is fixed on an output stage base through injection molding, the base is rigidly connected with an internal structure of the box body, the stability of bolt fastening is ensured, and then a matched high-pressure protective cover covers a bolt fastening area to prevent foreign matters from invading or metal pieces from contacting and shorting. The utility model discloses an output stage base and a battery pack, wherein the output stage base comprises a bottom shell, a mounting seat and a connecting part, wherein the top of the mounting cavity is provided with an open mounting cavity, the mounting seat is arranged in the mounting cavity, the positions of the mounting seat along the X direction and the Z direction of the bottom shell are adjustable, the connecting part is used for connecting an output stage busbar and an external conducting bar of a battery module, and the connecting part is arranged on the mounting seat in a sliding manner along the Y direction of the bottom shell. According to the technical scheme, the output stage base is fixed on the structure inside the box body through the bolts, and workers operate the box body conveniently. Meanwhile, the high-voltage conductor outlet arranged on the output stage base is less, so that the flexibility of the arrangement of the high-voltage conductor is limited. Disclosure of utility model In view of this, the utility model provides a multi-channel output stage base assembly, in which the base body is installed inside the box body by means of a back-off, which is convenient and fast. Meanwhile, the high-voltage conductors are conveniently arranged in different opening directions according to the spatial arrangement in the battery pack by arranging the openings in three directions, so that the flexibility is good, and the problems that the installation of the existing output stage base is complicated and the arrangement direction of the high-voltage conductors is inflexible are solved. The technical scheme of the utility model is realized as follows: the utility model provides a multichannel output stage base assembly, which comprises a base body and an insert nut, wherein, The top of the base body is provided with a rectangular groove, and the insert nut is embedded on the bottom of the rectangular groove; The bottom of the base body is provided with a back-off which is used for fixing the base body in the box body in a plugging manner; openings are formed in the three groove walls of the rectangular groove, and the inner sides of the openings are used for penetrating into the high-voltage conductors. On the basis of the technical proposal, preferably, the bottom of the rectangular groove is provided with a countersink, wherein, The insert nut is inlaid in the counter bore; The top end of the insert nut is aligned with the bottom of the rectangular groove. On the basis of the technical proposal, preferably, the bottom of the base body is provided with an annular groove along the circumference of the insert nut, wherein, The upper end of the back-off is arranged in the annular groove. On the basis of the technical proposal, preferably, three back-off buttons are arranged, wherein, The three back-off buttons are arranged along the Zhou Xiangcheng delta shape of the annular groove. On the basis of the technical proposal, preferably, the back-off comprises an elastic plate and a limiting block, wherein, The upper end of the elastic plate is fixedly connected with the bottom of the annular groove, and the lower end of the elastic plate extends downwards out of the annular groove; The limiting block is arranged on one side of the lower end of the elastic plate. On the basis of the technical scheme, preferably, the lower end of the limiting block is wedge-shaped. On the basis of the technical proposal, preferably, the bottom of the rectangular groove is provided with a lightening hole, wherein, The lightening hole is communicated with the annular groove. On the basis of the technical proposal, the utility model preferably also comprises a high-pressure protective cover, wherein the high-pressure protective cover comprises a cover body, The cover body is buckled at the top end of the base body; The bottom of the cover body is provided with a matching groove, three groove walls of the matching groove are vertically turned outwards to form a f