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CN-224217620-U - Battery module and electronic equipment

CN224217620UCN 224217620 UCN224217620 UCN 224217620UCN-224217620-U

Abstract

The application provides a battery module and electronic equipment, which comprise a plurality of single battery cells, a plurality of supports and a fastener, wherein the single battery cells are arranged on the supports, the supports are stacked along a first direction, mounting holes extending along the first direction are formed in the supports, the fastener comprises a fixing rod and two locking pieces, the fixing rod penetrates through the mounting holes along the first direction so as to connect the supports in series, the two locking pieces are respectively connected to two ends of the fixing rod and are abutted to the supports so as to limit the movement of the supports along the first direction, the fixing rod is provided with an outer side face adjacent to the mounting holes, a limiting part is arranged on the outer side face, a clamping part is arranged at a corresponding position on the mounting hole, and the limiting part is matched with the clamping part so as to limit the rotation of the fixing rod in the mounting hole. The firmness of the battery module can be ensured, the universality is strong, and the battery module is suitable for batteries with all heights.

Inventors

  • WU ZENGRONG
  • ZHU WANJUN
  • LI JINRONG
  • ZHOU SHUANGJUN

Assignees

  • 浙江欣动能源科技有限公司

Dates

Publication Date
20260508
Application Date
20250519

Claims (10)

  1. 1. The battery module (100) is characterized by comprising a plurality of single battery cells (30), a plurality of supports (20) and fasteners (10), wherein the single battery cells (30) are arranged on the supports (20), the supports (20) are stacked along a first direction, and the supports (20) are provided with mounting holes (21) extending along the first direction; The fastener (10) comprises a fixed rod (11) and two locking pieces (12), wherein the fixed rod (11) passes through the mounting hole (21) along the first direction so as to connect a plurality of brackets (20) in series, and the two locking pieces (12) are respectively connected to two ends of the fixed rod (11) and are abutted with the brackets (20) so as to limit the movement of the brackets (20) along the first direction; The fixing rod (11) is provided with an outer side surface which is adjacent to the mounting hole (21), the outer side surface is provided with a limiting part (111), a clamping part (211) is arranged at a corresponding position on the mounting hole (21), and the limiting part (111) is matched with the clamping part (211) so as to limit the rotation of the fixing rod (11) in the mounting hole (21).
  2. 2. The battery module (100) according to claim 1, wherein the fixing rod (11) is provided with threaded holes (112) at two ends, the surface of the threaded holes (112) is provided with internal threads, the locking piece (12) comprises a threaded rod (121) and a column head (122) which are coaxially connected, the surface of the threaded rod (121) is provided with external threads, the threaded rod (121) is inserted into the threaded holes (112), the external threads are in threaded engagement with the internal threads, and the column head (122) is exposed out of the mounting hole (21) and is abutted against the support (20).
  3. 3. The battery module (100) according to claim 2, wherein an outer diameter of the stud (122) is larger than a pore diameter of the mounting hole (21).
  4. 4. The battery module (100) according to claim 1, wherein the fixing rod (11) has a dimension L1 in the first direction, and the mounting hole (21) has a dimension L2 in the first direction, wherein L1< L2.
  5. 5. The battery module (100) according to claim 1, wherein the stopper portion (111) extends from one end to the other end of the fixing rod (11) in the first direction, and the engaging portion (211) extends from one end to the other end of the mounting hole (21) in the first direction.
  6. 6. The battery module (100) according to claim 1, wherein the limiting portion (111) protrudes from the outer side surface, and the engaging portion (211) is recessed in a wall of the mounting hole (21).
  7. 7. The battery module (100) according to claim 1, wherein the bracket (20) surface is provided with a groove around the mounting hole (21) for receiving the locking member (12) and abutting the locking member (12).
  8. 8. The battery module (100) according to claim 1, wherein the fixing rod (11) and the limiting portion (111) are of an integrally molded structure.
  9. 9. The battery module (100) according to claim 2, wherein the locking member (12) is a screw.
  10. 10. An electronic device characterized by comprising a battery module (100) according to any one of claims 1 to 9.

Description

Battery module and electronic equipment Technical Field The utility model relates to the technical field of batteries, in particular to a battery module and electronic equipment. Background With the vigorous development of new energy in recent years, lithium batteries are increasingly favored by people in energy conservation, emission reduction and low-carbon life, and the lithium batteries can be classified into cylindrical battery core lithium batteries, soft package battery core lithium batteries and square shell battery core lithium batteries according to the types of battery cores. The module of the cylindrical cell lithium battery is formed by stacking and combining a plurality of battery modules, and a plurality of battery modules are required to be connected in series and fixed by using a long screw rod matched with the height of the battery modules as a fastener so as to ensure the firmness of the modules. The existing fastener composed of the screw rod and the nut can be used for fixing the battery module, but when the nut is screwed on the screw rod, the screw rod is easy to rotate and skid, the screw rod is required to be fixed by using a clamp, and inconvenience is brought to the assembly of the battery module. Disclosure of utility model The embodiment of the utility model provides a battery module and electronic equipment, which are used for solving the problem that fasteners for battery modules with different heights in the related art are easy to slip. In order to solve the technical problems, the utility model is realized as follows: In a first aspect, an embodiment of the present utility model provides a battery module, including a plurality of unit cells, a plurality of brackets, and a fastener, where the plurality of unit cells are disposed on the brackets, and the plurality of brackets are stacked along a first direction, and the brackets have mounting holes extending along the first direction; The fastener comprises a fixing rod and two locking pieces, wherein the fixing rod passes through the mounting hole along the first direction so as to connect a plurality of brackets in series, and the two locking pieces are respectively connected to two ends of the fixing rod and are abutted with the brackets so as to limit the movement of the brackets along the first direction; The fixing rod is provided with an outer side surface which is arranged adjacent to the mounting hole, the outer side surface is provided with a limiting part, a clamping part is arranged at a corresponding position on the mounting hole, and the limiting part is matched with the clamping part so as to limit the rotation of the fixing rod in the mounting hole. Optionally, the two ends of the fixing rod are provided with threaded holes, the surfaces of the threaded holes are provided with internal threads, the locking piece comprises a threaded rod and a column head which are coaxially connected, the surface of the threaded rod is provided with external threads, the threaded rod is inserted into the threaded holes, the external threads are in threaded engagement with the internal threads, and the column head is exposed out of the mounting hole and is abutted to the support. Optionally, the external diameter of the stud is larger than the aperture of the mounting hole. Optionally, the dimension of the fixing rod along the first direction is L1, and the dimension of the mounting hole along the first direction is L2, where L1< L2. Optionally, the limiting portion extends from one end to the other end of the fixing rod along the first direction, and the clamping portion extends from one end to the other end of the mounting hole along the first direction. Optionally, the limiting part protrudes out of the outer side surface, and the clamping part is recessed in the hole wall of the mounting hole. Optionally, the bracket surface is provided with a groove around the mounting hole, the groove being for receiving and abutting the locking member. Optionally, the fixing rod and the limiting part are in an integrally formed structure. Optionally, the locking member is a screw. In a second aspect, an embodiment of the present utility model further provides an electronic device, including any one of the battery modules provided in the first aspect. The utility model provides a battery module and electronic equipment, wherein the battery module is provided with a fastener and a bracket which are matched with each other, the fastener consists of a fixed rod and locking pieces connected with two ends of the fixed rod, and the fastener can be used for locking the module when the battery module is assembled, so that the firmness of the battery module is ensured. The surface of the fixing rod is provided with a limiting part, the mounting hole of the bracket is internally provided with a clamping part matched with the limiting part, the limiting part is fixed in the clamping part, and the sliding of the fixing rod relative to the mounting ho