Air core coil, actuator, and manufacturing method of air core coil
A coil wire and coil technology, which is applied in the manufacture of inductors/transformers/magnets, coils, and motor generators, etc., can solve the problems of difficult to reduce the cost of actuator assembly and automation, and achieve the reduction of assembly cost and realization of automation. The effect of reduced work
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Embodiment approach 1
[0037] figure 1 It is a plan view and a sectional view of the air core coil 1 according to Embodiment 1 to which the present invention is applied. figure 1 (a) is a top view of the air core coil 1, figure 1 (b) is figure 1 A-A sectional view of (a). The air-core coil 1 according to Embodiment 1 includes an oblong coil portion 10 , terminal pins 20 , and terminal pin holding portions 30 . The terminal pin holding part 30 holds the two terminal pins 20 and is fixed to the coil part 10 . The two coil wires 19 drawn out from the coil unit 10 are connected to the two terminal pins 20 . One of the two coil wires 19 is the coil wire 19 on the winding start side, and the other is the coil wire 19 on the winding end side. The terminal pin 20 and the terminal pin holding portion 30 constitute a power supply terminal portion for supplying power to the coil portion 10 .
[0038] The coil part 10 includes substantially parallel effective side portions 11 and 12 extending in the first...
Embodiment approach 2
[0054] Figure 5 It is a plan view and a cross-sectional view of an air core coil 1A according to Embodiment 2. Figure 5 (a) is a top view of the air core coil 1A, Figure 5 (b) is Figure 5 D-D sectional view of (a). The air core coil 1A includes an oblong coil portion 10 , terminal pins 20 , terminal pin holding portions 30 , and a coil holder 80 . The air-core coil 1A of Embodiment 2 has the same configuration as the air-core coil 1 of Embodiment 1 except that it includes a coil holder 80 . Hereinafter, differences from Embodiment 1 will be described. The coil holder 80 includes: a first portion 81 extending in the second direction Y on the Z2 direction side of the end portion of the coil portion 10 in the X2 direction; a second portion 82 and a third portion 83, the second portion 82 And the third part 83 extends from both ends of the first part 81 to the X1 direction; the fourth part 84, the above-mentioned fourth part 84 extends from the end of the second part 82 i...
Embodiment approach 3
[0061] Air-core coil 1B of Embodiment 3 (refer to Figure 9 ) is the use of air core coil manufacturing parts 60B (refer to Figure 8 ) to manufacture. The finished air-core coil 1B includes a coil portion 10 , a terminal pin 20 , a terminal pin holding portion 30 , and a coil holder 80 . The air core coil 1B of the third embodiment has the same structure as the air core coil 1A of the second embodiment except for the form of the coil holder 80 . Differences from Embodiment 2 will be described below. Figure 8 It is explanatory drawing of the manufacturing method of the air core coil 1B of Embodiment 3, and is explanatory drawing of the process of removing an unnecessary part. Figure 8 (a) is a plan view of the air core coil manufacturing member 60B with the coil part 10 removed from the winding jig 71, Figure 8 (b) is Figure 8 G-G sectional view of (a), Figure 8 (c) is Figure 8 H-H sectional view of (a).
[0062] Like the coil holder 80 of the second embodiment, ...
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