Connecting structure for motor and circuit board in flat sewing machine control device
A control device and connection structure technology, applied in the direction of sewing machine control devices, sewing machine components, sewing equipment, etc., can solve the problems of low installation efficiency, troublesome connection between motor and circuit board, etc., and achieve the effect of improving installation efficiency and simple connection
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[0029] Example one
[0030] Such as figure 1 , figure 2 , image 3 , Image 6 As shown, the present lockstitch sewing machine control device includes a housing 1, a circuit board 2 and a heat dissipation aluminum plate 3. The housing 1 is in the shape of a block with a cavity 11 inside, the motor is located at the upper part of the cavity 11 of the housing 1 (marked in the figure), the circuit board 2 and the heat dissipation aluminum plate 3 are located at the lower part of the cavity 11 of the housing 1, and The circuit board 2 is fixedly connected to the housing 1 by a heat-dissipating aluminum plate 3 and bolts, the heat-dissipating aluminum plate 3 seals the circuit board 2, and the heat-dissipating aluminum plate 3 plays a role of heat dissipation and dustproof to the circuit board 2.
[0031] Such as figure 1 , figure 2 , image 3 As shown, the connecting structure includes a connecting plate 4, a connecting port 5 and a protective sleeve 7.
[0032] The connecting plate 4 ...
Example Embodiment
[0035] Example two
[0036] Such as Figure 7 As shown, the structure and principle of this embodiment are basically the same as those of the first embodiment. The difference is that in this embodiment, the connecting port 5 only penetrates the connecting portion 42, that is, the connecting port 5 is provided on the side of the connecting plate 4. In this structure, the motor plug-in interface 6 can directly pass through the connection port 5, and the outer peripheral side wall of the motor plug-in port 6 fits the connecting portion 42 at the edge of the connection port 5, that is, the motor plug-in port 6 blocks the connection port 5. There is no need to provide the protective cover 7, which also plays the role of dustproof and insulation, so that the entire connection structure is simple and the manufacturing cost is low. Of course, in actual production, a protective cover 7 matching the shape of the connecting port 5 can also be provided in the connecting port 5.
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