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CN-224218174-U - Coil former, stator core, motor and vehicle

CN224218174UCN 224218174 UCN224218174 UCN 224218174UCN-224218174-U

Abstract

The utility model relates to a coil framework, a stator iron core, a motor and a vehicle, wherein the coil framework is an integral injection molding piece, the coil framework comprises a first baffle plate and a framework body, the first baffle plate comprises a first baffle plate body and a lead part, the first baffle plate body is connected with the framework body, the lead part is arranged at the end part of the first baffle plate body in the length direction of the first baffle plate body and extends out of the framework body, and the structural strength of the lead part is greater than that of the first baffle plate body. The coil framework has stable structure and good supporting effect, and is beneficial to simplifying the processing technology of the coil framework.

Inventors

  • CHEN YIN
  • CHEN JIAN
  • SHEN DONGHUAN

Assignees

  • 小米汽车科技有限公司

Dates

Publication Date
20260508
Application Date
20250324

Claims (12)

  1. 1. The utility model provides a coil skeleton (100), its characterized in that, coil skeleton (100) are integrative injection molding, coil skeleton (100) include first baffle (101) and skeleton body (103), first baffle (101) are including first baffle body (1011) and lead wire portion (1012), first baffle body (1011) with skeleton body (103) are connected, lead wire portion (1012) are in the length direction of first baffle body (1011) is located the tip of first baffle body (1011), and stretch out in outside skeleton body (103), the structural strength of lead wire portion (1012) is greater than the structural strength of first baffle body (1011).
  2. 2. The coil former (100) according to claim 1, wherein the first baffle (101) further comprises a stiffener (1013), the stiffener (1013) being provided on a side of the lead portion (1012) facing away from the former body (103).
  3. 3. The coil bobbin (100) according to claim 2, wherein the reinforcement rib (1013) is provided with a relief groove (10131), and the relief groove (10131) penetrates the reinforcement rib (1013) in the width direction of the first baffle (101).
  4. 4. The coil bobbin (100) according to claim 2, wherein the plurality of the reinforcement ribs (1013) is provided, the plurality of the reinforcement ribs (1013) being arranged at intervals in the width direction of the first barrier (101), the reinforcement ribs (1013) extending in the length direction of the first barrier (101).
  5. 5. The coil bobbin (100) according to claim 1, wherein the lead portion (1012) is provided with a wire clamping port (10121) and a wire feeding groove (10122), the wire clamping port (10121) penetrates through the lead portion (1012) in the thickness direction of the first baffle plate (101), the wire feeding groove (10122) is formed in one side, facing the bobbin body (103), of the lead portion (1012), and the wire feeding groove (10122) extends in the length direction of the first baffle plate (101) and is communicated with the wire clamping port (10121).
  6. 6. The coil bobbin (100) according to claim 1, wherein a peripheral wall of the bobbin body (103) is provided with a wire winding groove (1031), the wire winding groove (1031) extending in a length direction of the bobbin body (103); And/or the coil former (100) comprises a second baffle (102), the second baffle (102) and the first baffle (101) being arranged on opposite sides of the former body (103), respectively.
  7. 7. A stator core, comprising: The stator framework (200) comprises a plurality of stator blocks (210), the stator blocks (210) are sequentially connected along a first direction, and the head end and the tail end of the stator framework (200) along the first direction can be butted to bend the stator framework (200) into a cylinder shape; A plurality of coil bobbins (100), wherein the coil bobbins (100) are coil bobbins (100) according to any one of claims 1 to 6, the plurality of coil bobbins (100) are arranged on the plurality of stator blocks (210) in a one-to-one correspondence manner, and the coil bobbins (100) are in injection molding connection with the stator blocks (210).
  8. 8. The stator core according to claim 7, characterized in that a plurality of the stator blocks (210) include a head end stator block (211), an intermediate stator block (212) and a tail end stator block (213), the head end stator block (211), the intermediate stator block (212) and the tail end stator block (213) are sequentially connected in the first direction, a first soldering groove (2111) is provided at a side of the head end stator block (211) facing away from the intermediate stator block (212), a second soldering groove (2131) is provided at a side of the tail end stator block (213) facing away from the intermediate stator block (212), and the first soldering groove (2111) communicates with the second soldering groove (2131) when the stator frame (200) is cylindrically rounded.
  9. 9. The stator core according to claim 8, characterized in that the first weld groove (2111) and the second weld groove (2131) are both provided on an outer wall surface of the stator frame (200).
  10. 10. The stator core according to claim 7, characterized in that a gap (220) is provided between two adjacent stator pieces (210), the gap of the gap (220) gradually increasing in a direction from the outside of the stator piece (210) to the inside of the stator piece (210); And/or, a convex key (2112) is arranged on one side of the stator framework (200) along the first direction, a groove (2132) is arranged on the other side of the stator framework (200) along the first direction, and when the stator framework (200) is bent into a cylinder shape, the convex key (2112) is matched with the groove (2132); And/or, the stator skeleton (200) comprises a plurality of stator punching sheets (201), wherein the plurality of stator punching sheets (201) are sequentially stacked along a second direction, and the second direction is orthogonal to the first direction.
  11. 11. An electric machine, characterized by comprising a stator core, wherein the stator core is a stator core according to any one of claims 7-10, and the stator core is butted at the front end and the rear end along the first direction and is bent into a cylinder shape.
  12. 12. A vehicle comprising the electric machine of claim 11.

Description

Coil former, stator core, motor and vehicle Technical Field The utility model relates to the technical field of vehicles, in particular to a coil framework, a stator core, a motor and a vehicle. Background The stator core is one of key components of the motor and is also a main component of a magnetic circuit of the motor. In order to ensure insulation between the coil and the stator core, a coil framework is usually arranged on the stator core, and the coil is wound on the coil framework. In the related art, the coil skeleton and the stator skeleton are assembled together in a splicing mode, but the assembly process is complex and the structural stability is poor. Disclosure of utility model The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the utility model provides the coil framework which has stable structure and good supporting effect and is beneficial to simplifying the processing technology of the coil framework. The embodiment of the utility model also provides a stator core. The embodiment of the utility model also provides a motor. The embodiment of the utility model also provides a vehicle. The coil framework of the embodiment of the utility model is an integral injection molding piece, the coil framework comprises a first baffle plate and a framework body, the first baffle plate comprises a first baffle plate body and a lead part, the first baffle plate body is connected with the framework body, the lead part is arranged at the end part of the first baffle plate body in the length direction of the first baffle plate body and extends out of the framework body, and the structural strength of the lead part is greater than that of the first baffle plate body. According to the coil framework provided by the embodiment of the utility model, as the coil framework is an integral injection molding piece, compared with a scheme that the coil framework is spliced, the processing technology of the coil framework can be simplified, and the stability of the integral structure of the coil framework is improved. When the coil framework winds the coil, the first baffle body can carry out position constraint on the coil, and the lead wire part can guide the lead wire of the coil so as to prevent the lead wire from shifting. In some embodiments, the first baffle further comprises a stiffener disposed on a side of the lead portion facing away from the skeletal body. In some embodiments, the reinforcing rib is provided with an avoidance groove, and the avoidance groove penetrates through the reinforcing rib along the width direction of the first baffle. In some embodiments, the plurality of reinforcing ribs are arranged at intervals along the width direction of the first baffle, and the reinforcing ribs extend along the length direction of the first baffle. In some embodiments, the lead portion is provided with a wire clamping port and a wire inlet slot, the wire clamping port penetrates through the lead portion along the thickness direction of the first baffle, the wire inlet slot is formed in one side, facing the skeleton body, of the lead portion, and the wire inlet slot extends along the length direction of the first baffle and is communicated with the wire clamping port. In some embodiments, the outer peripheral wall of the skeleton body is provided with a winding groove extending in the length direction of the skeleton body, and/or the coil skeleton comprises second baffles, and the second baffles and the first baffles are respectively arranged on two opposite sides of the skeleton body. The stator core comprises a stator framework and a plurality of coil frameworks, wherein the stator framework comprises a plurality of stator blocks, the plurality of stator blocks are sequentially connected in the first direction, the front end and the rear end of the stator framework in the first direction can be butted to bend the stator framework into a cylinder shape, the plurality of coil frameworks are the coil frameworks in any one of the embodiment of the utility model, the plurality of coil frameworks are arranged on the plurality of stator blocks in a one-to-one correspondence manner, and the coil frameworks are connected with the stator blocks in an injection molding manner. According to the stator core of the embodiment of the utility model, the plurality of stator blocks are sequentially connected along the first direction, and the head end and the tail end of the stator framework along the first direction can be butted to bend the stator framework into a cylinder shape so as to process and manufacture the stator framework. In some embodiments, the plurality of stator blocks include a head end stator block, a middle stator block and a tail end stator block, the head end stator block, the middle stator block and the tail end stator block are sequentially connected along the first direction, a first welding groove is formed