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Automobile start supply voltage detection alligator clip with pull-off function

  • US 9,647,355 B1
  • Filed: 07/18/2016
  • Issued: 05/09/2017
  • Est. Priority Date: 06/16/2016
  • Status: Active Grant
First Claim
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1. An automobile start supply voltage detection alligator clip with a pull-off function, comprising:

  • a positive alligator clip structure;

    a negative alligator clip structure;

    a male contact head; and

    a positive pull-off end and a negative pull-off end arranged on the male contact head;

    wherein the positive alligator clip structure is composed of a positive upper cover, a contact piece of the positive upper cover, a positive pull-off contact piece, a positive pull-off spring, a contact piece of a positive lower cover, the positive lower cover and a pressure spring of the positive upper and lower covers, the contact piece of positive upper cover and the contact piece of the positive lower cover are connected by a positive contact piece silica gel electric wire, the contact piece of positive upper cover is fixed in the positive upper cover through a positive upper cover fixing screw, the contact piece of the positive lower cover is arranged on the positive lower cover, a positive insulating interlayer is arranged on the contact piece of the positive lower cover, the positive pull-off spring is arranged on the positive insulating interlayer, the positive pull-off contact piece is arranged on the positive pull-off spring, and the positive pull-off contact piece, the positive pull-off spring, the positive insulating interlayer and the contact piece of the positive lower cover are fixed in the positive lower cover by positive lower cover fixing screws successively;

    the negative alligator clip structure is composed of a negative upper cover, a contact piece of the negative upper cover, a negative pull-off contact piece, a negative pull-off spring, a contact piece of a negative lower cover, the negative lower cover and a pressure spring of the negative upper and lower covers, the contact piece of the negative upper cover and the contact piece of the negative lower cover are connected by a negative contact piece silica gel electric wire, the contact piece of the negative upper cover is fixed in the negative upper cover by a negative upper cover fixing screw, the contact piece of the negative lower cover is arranged on the negative lower cover, a negative insulating interlayer is arranged on the contact piece of the negative lower cover, the negative pull-off spring is arranged on the negative insulating interlayer, the negative pull-off contact piece is arranged on the negative pull-off spring, and the negative pull-off contact piece, the negative pull-off spring, the negative insulating interlayer and the contact piece of the negative lower cover are fixed in the negative lower cover by negative lower cover fixing screws successively;

    an internal positive silica gel wire is sleeved in an external positive silica gel wire by an internal silica gel wire sleeving process, and the positive pull-off contact piece is connected to a positive pull-off detection end by the internal positive silica gel wire; and

    an internal negative silica gel wire is sleeved in an external negative silica gel wire by the internal silica gel wire sleeving process, and the negative pull-off contact piece is connected to a negative pull-off detection end by the internal negative silica gel wire.

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