Stator structure convenient to assemble

Abstract

The utility model relates to the technical field of vehicle-mounted motors. The stator structure convenient to assemble comprises a stator framework, the stator framework is formed by superposing a plurality of sheet-shaped frameworks which are integrally formed, the stator framework is of a gear-shaped structure, a plurality of winding shells are sleeved outside the stator framework, and a copper wire is wound outside each winding shell. According to the stator structure convenient to assemble, the production cost can be effectively reduced, the production precision is high, the heat dissipation effect of the stator is good, and the height of the stator framework can be flexibly adjusted according to requirements. The technical problems that in the prior art, a stator is single in structure, generally only has an integrated structure or a circle splicing structure, the machining difficulty of the stator is high, the precision is low, and assembling is not convenient are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle-mounted motors, in particular to a stator structure which is easy to assemble. Background Art

[0002] The current mainstream electronic actuator system uses independent motors to provide power, and uses an integrated controller and several high-precision sensors for precise control, which can provide different working outputs according to different working conditions.

[0003] Based on the current development trend of miniaturization and high power of electronic actuators, how to improve stability and product adaptability while meeting the needs of the entire vehicle is a problem that needs to be solved urgently. The current stator structures are mostly one-piece or circular, which are difficult to process and inconvenient to assemble, so there is a need for improvement. Utility Model Content

[0004] The utility model provides a stator structure which is easy to assemble and can effectively reduce production costs, has high production precision, has good heat dissipation effect of the stator, and can flexibly adjust the height of the stator frame according to needs; it solves the technical problems existing in the prior art that the stator structure is single, usually only has two structures, an integrated type or a spliced ​​circle type, the stator has high processing difficulty, low precision, and is not easy to assemble.

[0005] The above technical problem of the utility model is solved by the following technical solution: a stator structure that is easy to assemble, including a stator frame, the stator frame is formed by stacking a plurality of integrally formed sheet frames, the stator frame is a gear-shaped structure, and a plurality of winding shells are arranged outside the stator frame, and copper wire is wound outside each winding shell. When processing the stator, firstly, a plurality of tooth-shaped sheet frames are punched out, and the sheet frames are stacked to form a stator frame. The stacked type is convenient for heat dissipation, increases magnetic flux density, reduces resonance, and can flexibly adjust the height of the stator frame according to actual needs without the need to make additional molds; compared with the circular stator, the overall strength is higher, and there is no internal welding process, and the process cost is lower.

[0006] Preferably, the sheet-like frame is a tooth-shaped structure formed by integral stamping. The laminated type is convenient for heat dissipation, increases magnetic flux density, reduces resonance, and can flexibly adjust the height of the stator frame according to actual needs without the need for additional mold making; compared with the circular stator, the overall strength is higher, and there is no internal welding process, so the process cost is lower.

[0007] Preferably, the outer wall of the winding housing is provided with a winding groove. Copper wire is wound in the winding groove for limiting the position. The winding coil of the stator in the utility model is wound first and then assembled. The processing technology is unified, the winding is simpler and easier to operate, and a higher slot fill rate can be achieved according to actual needs.

[0008] Preferably, the winding shell is made of insulating material. The winding shell is made of insulating material, and the utility model is described by taking a winding shell made of plastic material as an example.

[0009] Preferably, the winding housing and the stator frame are interference fit. The winding housing is installed on the stator frame by interference sleeve, which can achieve rapid installation and fixation.

[0010] Preferably, the winding housing and the stator frame are clearance-matched, and glue is injected into the clearance to achieve fixation and installation. The winding housing and the stator frame are clearance-matched, and glue is applied into the clearance to achieve fixation and installation.

[0011] Therefore, the stator structure of the utility model which is easy to assemble has the following advantages: it can effectively reduce the production cost, has high production precision, has good heat dissipation effect of the stator, the stator frame is easy to process and manufacture, and the height of the stator frame can be flexibly adjusted according to needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a three-dimensional structural schematic diagram of a stator structure which is easy to assemble.

[0013] Figure 2 yes Figure 1 Schematic diagram of the top view structure.

[0014] Figure 3 yes Figure 1 Schematic diagram of the main structure.

[0015] Figure 4 yes Figure 1 Schematic diagram of the three-dimensional structure of the stator frame.

[0016] Figure 5 yes Figure 4 Schematic diagram of the top view structure.

[0017] Figure 6 yes Figure 1 Schematic diagram of the three-dimensional structure of the winding shell.

[0018] In the figure, there are stator frame 1, winding shell 2, winding slot 3, and copper wire 4. DETAILED DESCRIPTION

[0019] The technical solution of the utility model is further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0020] Example:

[0021] like Figure 1 and 2As shown in Figures 3, 4, 5 and 6, a stator structure that is easy to assemble includes a stator frame 1. The stator frame 1 is formed by stacking a number of sheet frames, and the stator frame 1 is a gear-shaped structure.

[0022] The sheet-like frame is a tooth-like structure formed by integral stamping. The sheet-like frames are stacked to form a stator frame 1 . A winding housing 2 is sleeved and installed on each end portion of the stator frame 1 extending outward.

[0023] The winding housing 2 is made of insulating plastic material. The outer wall of each winding housing 2 is provided with a winding groove 3 , and a copper wire 4 is wound in the winding groove 3 .

[0024] The winding housing 2 and the stator frame 1 are interference fit.

[0025] When processing the stator, a number of tooth-shaped sheet frames are first stamped out, and the sheet frames are stacked to form a stator frame 1. The stacked type is convenient for heat dissipation, increases magnetic flux density, reduces resonance, and can flexibly adjust the height of the stator frame 1 according to actual needs without the need to make additional molds. Compared with the circular stator, the overall strength is higher, and there is no internal welding process, so the process cost is lower.

[0026] The winding coil of the stator in the utility model adopts the method of winding first and then assembling, the processing technology is unified, the winding is simpler and easier to operate, and a higher slot fill rate can be achieved according to actual needs.

Claims

1. A stator structure that is easy to assemble, characterized in that: It comprises a stator frame, which is formed by stacking a plurality of integrally formed sheet frames, and is a gear-shaped structure. A plurality of winding shells are arranged outside the stator frame, and a copper wire is wound outside each winding shell.

2. A stator structure that is easy to assemble according to claim 1, characterized in that: The sheet-like frame is a tooth-like structure formed by integral stamping.

3. The stator structure that is easy to assemble according to claim 1, characterized in that: The outer wall of the winding shell is provided with a winding groove.

4. A stator structure that is easy to assemble according to claim 3, characterized in that: The winding shell is made of insulating material.

5. A stator structure that is easy to assemble according to claim 4, characterized in that: The winding housing and the stator frame are in interference fit.

6. A stator structure that is easy to assemble according to claim 5, characterized in that: The winding shell and the stator frame are clearance matched, and the clearance is fixed by injecting glue.

Images