Connection structure of motor stator and stator circuit board
A motor stator and connection structure technology, applied in the direction of electrical components, electromechanical devices, electric components, etc., can solve the problems of easy rusting of screws and reduction of mechanical strength, and achieve the effect of good anti-corrosion and anti-rust performance and high mechanical strength
Inactive Publication Date: 2012-04-04
许晓华
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Problems solved by technology
In the prior art, the stator circuit board is fixed on the plastic inner ring by screws, but the screws are prone to rust, resulting in reduced mechanical strength
Method used
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[0012] like Figure 1 to Figure 3 As shown, it is an embodiment of the connection structure between the motor stator and the stator circuit board of the present invention. The inner circumference side of the stator core 1 is fixed with a plastic inner ring 2, and the end of the plastic inner ring is installed with a stator circuit board 6. The end of the plastic inner ring is connected to the stator circuit board. The stator circuit boards are connected by cold welding. The outer edge of the end of the plastic inner ring is evenly provided with at least three protrusions 5 , and the protrusions cover the edge of the stator circuit board in an inverted L shape after cold welding. The ends of the plastic inner ring are evenly provided with several gaps 4, and the protrusions are arranged on the bosses 3 between the gaps.
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The invention discloses a connection structure of a motor stator and a stator circuit board. A plastic inner ring is fixed to the inner circumferential side of a stator iron core; the stator circuit board is mounted at the end part of the plastic inner ring; and a cold welding connection structure is arranged between the end part of the plastic inner ring and the stator circuit board. At least three protrusions are uniformly arranged on the end part of the plastic inner ring, and the protrusions cover the edge of the stator circuit board after being coldly welded. The end part of the plastic inner ring is welded with the stator circuit board by cold molding, so that the connection structure of the motor stator and the stator circuit board has better corrosion resistance and rust resistance and high mechanical strength.
Description
technical field [0001] The invention relates to a connection structure between a motor stator and a stator circuit board. Background technique [0002] The stator includes a stator iron core, a plastic inner ring fixed on the inner circumference of the stator iron core, and a stator circuit board is installed at the end of the plastic inner ring. In the prior art, the stator circuit board is fixed on the plastic inner ring by screws, but the screws are prone to rust, resulting in reduced mechanical strength. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a connection structure between the motor stator and the stator circuit board, which has good anti-corrosion and anti-rust performance and high mechanical strength. [0004] In order to solve the above technical problems, the present invention adopts the following technical scheme: the connection structure between the motor stator and the stator circuit board, t...
Claims
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IPC IPC(8): H02K3/50
Inventor 吴凌云
Owner 许晓华