Novel retractable squid fishhook design

Novel retractable squid fishhook design

  • CN 101,836,622 B
  • Filed: 05/13/2010
  • Issued: 04/30/2014
  • Est. Priority Date: 05/13/2010
  • Status: Active Grant
First Claim
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1. a retractable squid fishhook method for designing, it is characterized in that:

  • described retractable squid fishhook integral body is spindle, this fishhook critical piece is shell, hook thorn, spring, support, described shell adopts hard fluorescent material to form, described shell is wrapped in support outside, and described support is the support of whole fishhook;

    Described spring fitting, on support, is being controlled shell moving up and down with respect to support;

    Hook thorn fulcrum is on described support, and pin hole is on shell;

    At described shell and support head and the tail junction support, it is diamond structure;

    Described hook thorn is arranged as 4 layer of 8 pore structure, and between individual layer, each span is 45 °

    , 22.5 °

    of every interlayer angle intervals;

    Described spring adopts Small Cylindrical spiral compression spring, material selection stainless steel steel wire, and maximum core shaft diameter, minimum sleeve diameter are determined according to stent diameter;

    Described retractable squid fishhook mainly exists in catching operation fishhook to sink, unloadedly rises, catches the catches three kinds of situations that rise angling;

    Described unloaded rising is divided at the uniform velocity rising in acceleration rising, unloaded water, three kinds of states of unloaded aerial rising in unloaded water;

    While accelerating to rise in unloaded water, stream resistance and become gradually large, hook thorn starts to stretch out, in the water of fishhook, accelerate rising and can attract the squid predation of coming, when squid stretches out when touching wrist and holding fishhook, the hook thorn that tactile wrist is extended tangles, because squid can become separated in flight backward, crewman upwards pulls and goes offline, and hook thorn launches completely, completes and fishes for;

    Then crewman pulls fishhook and at the uniform velocity rises, if squid makes an attempt at escaping in uphill process,, due to the stressed minimizing of fishhook, the angle of fishhook can diminish, and squid cannot be escaped, and reduces hooked-off rate;

    While at the uniform velocity rising in unloaded water, suffered elastic force reduces, and elastic deformation minimizing is so that hook thorn shrinks, and hook thorn does not expose shell, prevents from doublely catching other biological and preventing that hanging wire, kinking situation from occurring;

    After fishhook is hauled out the water surface, if there is the fishery harvesting fishhook must be in open mode, if unloaded, owing to not streaming resistance in the air, elastic force be less than state in water, and fishhook, in closure state, prevents that crewman'"'"'s scratch situation from occurring;

    When fishhook is static, hook thorn length is less than hook thorn fulcrum to the distance of corresponding pin hole on shell;

    While accelerating to rise in the unloaded water of fishhook, hook thorn part is stretched out;

    While at the uniform velocity rising in the unloaded water of fishhook, it is substantially equal to the distance of corresponding pin hole on shell that hook thorn and hook sting fulcrum;

    Described spring only plays supporting outer, no longer valid after squid rises to the bait;

    Described spring deflection at ultimate load is greater than the up and down distance of shell;

    Described hook thorn stretches out distance and the spring deformation Range-based of corresponding pin hole on shell, and wherein deformation distance determines in various state lower stress situations according to shell;

    Under Light Condition, while accelerating to rise in the unloaded water of fishhook, spring deformation distance should guarantee that hook stings part and stretches out;

    While at the uniform velocity rising in the unloaded water of fishhook, spring deformation distance reduces, and hook thorn stretches out the distance of corresponding pin hole on shell and reduces or do not stretch out;

    When fishhook at the uniform velocity rises in the air, spring deformation is minimum, and hook thorn is reduced in shell.

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