Terminal metal fitting and terminal metal fitting-equipped insulating wire
A terminal metal fitting 1 includes a terminal connection portion 2 connected to a partner terminal metal fitting, and a wire holding portion 3 provided at the back of the terminal connection portion 2 . The wire holding portion 3 is configured to hold, in a pressure-bonded state, an insulating wire 100 configured such that a core wire is coated by an insulating coating. The wire holding portion 3 includes a bottom wall portion 31 on which the insulating wire 100 is placed, a first insulating wire swaging portion 32 formed continuously to one side edge of the bottom wall portion 31 , and a second insulating wire swaging portion 33 formed continuously to the other side edge of the bottom wall portion 31 . One or more claws 34 configured to bite into the insulating wire upon swaging of the insulating wire 100 are formed at at least one of the bottom wall portion 31 , the first insulating wire swaging portion 32 , or the second insulating wire swaging portion 33.
1. A terminal metal fitting-equipped insulating wire comprising:
an insulating wire;
a terminal connection portion connected to a partner terminal metal fitting; and
a wire holding portion provided at a back of the terminal connection portion and configured to hold, in a pressure-bonded state, the insulating wire,
wherein the insulating wire includes a core wire formed from a conductive body having a horizontally-elongated rectangular cross section, and an insulating coating having two pieces of band-shaped non-woven fabric bonded in a state in which the two pieces of the band-shaped non-woven fabric overlap with each other with the core wire being sandwiched in an upper-to-lower direction,
the wire holding portion includes
a bottom wall portion on which the insulating wire is placed,
a first insulating wire swaging portion formed continuously to one side edge of the bottom wall portion, and
a second insulating wire swaging portion formed continuously to the other side edge of the bottom wall portion,
a plurality of claws configured to bite into the insulating wire upon swaging of the insulating wire are formed at at least one of the bottom wall portion, the first wire swaging portion and the second wire swaging portion, and
the plurality of claws formed at either one of the bottom wall portion, the first wire swaying portion or the second wire swaging portion are arranged in a substantially V-shape as viewed in a plane and consist of:
a first plurality of claws arranged along a left diagonal virtual line of the V-shape, extending diagonally backward from a front end portion of the bottom wall portion, the first wire swaging portion or the second wire swaging portion toward a center of the bottom wall portion, the first wire swaging portion or the second wire swaging portion in a length direction thereof; and
a second plurality of claws arranged along a right diagonal virtual line of the V-shape, extending diagonally backward from the center toward a back end portion of the bottom wall portion, the first wire swaging portion or the second wire swaging portion.
2. The terminal metal fitting-equipped insulating wire according to claim 1 , wherein
each claw is a standing claw.
3. The terminal metal fitting-equipped insulating wire according to claim 1 , wherein
the plurality of claws are formed only at the bottom wall portion among the bottom wall portion, the first insulating wire swaging portion, and the second insulating wire swaging portion.
4. The terminal metal fitting-equipped insulating wire according to claim 3 , wherein
the plurality of claws include claws formed at different positions of the bottom wall portion in a width direction thereof.
5. The terminal metal fitting-equipped insulating wire according to claim 1 , wherein
the plurality of claws are formed at either one of the first insulating wire swaging portion and the second insulating wire swaging portion.
6. The terminal metal fitting-equipped insulating wire according to claim 5 , wherein
the plurality of claws include claws formed at different positions of the insulating wire swaging portion provided with the plurality of claws in a direction perpendicular to each side edge of the bottom wall portion.
7. The terminal metal fitting-equipped insulating wire according to claim 1 , wherein
lengths of the first insulating wire swaging portion and the second insulating wire swaging portion in the direction perpendicular to each side edge of the bottom wall portion are formed as such lengths that both insulating wire swaging portions at least partially overlap with each other when one insulating wire swaging portion is bent to overlap with an upper surface of the bottom wall portion after the other insulating wire swaging portion has been bent to overlap with the upper surface of the bottom wall portion in a state in which a connection-side end portion of the insulating wire is placed on the bottom wall portion.
8. The terminal metal fitting-equipped insulating wire according to claim 1 , wherein
the plurality of claws are formed at each of the bottom wall portion, the first insulating wire swaging portion, and the second insulating wire swaging portion.
9. The terminal metal fitting-equipped insulating wire according to claim 1 , wherein
the plurality of claws are formed at each of the first insulating wire swaging portion and the second insulating wire swaging portion among the bottom wall portion, the first insulating wire swaging portion, and the second insulating wire swaging portion.
10. The terminal metal fitting-equipped insulating wire according to claim 8 , wherein
lengths of the first insulating wire swaging portion and the second insulating wire swaging portion in a direction perpendicular to each side edge of the bottom wall portion are formed as such lengths that both insulating wire swaging portions do not overlap with each other when one insulating wire swaging portion is bent to overlap with an upper surface of the bottom wall portion after the other insulating wire swaging portion has been bent to overlap with the upper surface of the bottom wall portion in a state in which a connection-side end portion of the insulating wire is placed on the bottom wall portion.
11. The terminal metal fitting-equipped insulating wire according to claim 1 , wherein one end portion of the insulating wire is electrically and mechanically connected to the wire holding portion.
12. The terminal metal fitting-equipped insulating wire according to claim 1 , wherein
each claw is a standing claw, and
in the state in which the insulating wire is pressure-bonded by the wire holding portion, the standing claw penetrates through the core wire and the two pieces of the band-shaped non-woven fabric, and a tip end of the standing claw exposed from the insulating wire is folded back.
13. The terminal metal fitting-equipped insulating wire according to claim 1 , wherein
each claw is a standing claw,
the at least one of the bottom wall portion, the first wire swaging portion and the second wire swaging portion comprises a first standing claw having a great blade height and a second standing claw having a small blade height, and
in the state in which the insulating wire is pressure-bonded by the wire holding portion, the first standing claw penetrates through the core wire and the two, pieces of the band-shaped non-woven fabric and has a folded-back tip end, and the second standing claw enters the insulating wire without penetrating through the insulating wire.
14. The terminal metal fitting-equipped insulating wire according to claim 1 , wherein, in a state in which the insulating wire is pressure-bonded by the wire holding portion, each of the plurality of claws bites into the core wire and the two pieces of the band-shaped non-woven fabric.
15. The terminal metal fitting-equipped insulating wire according to claim 1 , wherein a length of at least one of the claws from a bottom end to a tip end of the at least one of the claws is equal to or longer than a height of the insulating wire in the upper-to-lower direction.
16. The terminal metal fitting-equipped insulating wire according to claim 1 , wherein a length of at least one of the claws from a bottom end to a tip end of the at least one of the claws is longer than a height of the insulating wire in the upper-to-lower direction.