CN211778754U - A quick-release crab pot hook - Google Patents

Abstract

The utility model discloses a quick detachable crab cage hook, comprising a hook body, the upper end of the hook body is provided with an upper rope hole that can be closed/opened; the upper end side of the hook body is provided with a first gap, the The edge of the first gap is provided with a lock rod that can move up and down, the first gap and the lock rod cooperate to form the upper rope hole, when the lock rod is in a high position, the upper rope hole is closed, and the lock rod is in a low position When the upper rope hole is opened; the lock rod is equipped with a locking mechanism and a decoupling mechanism; the decoupling mechanism includes a decoupling switch sleeved on the periphery of the hook body and connected with the lower end of the lock rod, the The decoupling switch can drive the locking rod to move downward under the action of an external force; the locking mechanism is used to lock the first gap to keep the upper rope hole closed. The crab cage hook of the utility model is provided with a decoupling switch and a locking mechanism, which can automatically realize the decoupling and locking of the upper rope hole, which greatly reduces the manual operation intensity.

Description

A quick-release crab pot hook

technical field

The utility model relates to the technical field of fishing gear equipment, in particular to a crab cage hook that can be quickly detached.

Background technique

With the continuous change of fishery resources, most swimming crabs were caught with nets in the past, but now they are trapped with crab pots. Crab cage is a fishing operation method that uses cage-like equipment to lure fishing objects into it. It is a passive fishing gear fishing method with low energy consumption, high fishing price and no damage to the ecological environment.

Crab pot fishing gear is labor-intensive when it is closed, and the most important thing is to unload the crab pot from the upper throwing rope. Usually, one main rope, that is, one operation process needs to unload 3000-4000 crab pots at a speed of 1 minute per minute. 22 or so. Due to the high labor intensity, the labor cost of this type of work is very high. Each fishing boat needs 3 to 4 workers of this type of work, and the annual salary of each person is about 120,000-150,000. In addition, there are many industrial accidents caused by fatigue of workers during operation. In the process of unloading the cage, the left and right hands are not well coordinated, and the crab cage may hit the operator's head or even the eyes and other parts, causing bodily harm, which is a great safety hazard.

Therefore, how to provide an automatic shedding device for crab cages that can reduce the work intensity and ensure the health and safety of fishermen is an urgent problem for those skilled in the art to solve.

Utility model content

In view of the above-mentioned technical problems, the purpose of this utility model is to provide a crab pot hook that can be quickly detached, which can reduce the labor intensity and operation cost of crab pot fishing gear operations.

In order to achieve the above purpose, a technical solution adopted by the present utility model is to provide a crab cage hook that can be quickly detached, including a hook body, and the upper end of the hook body is provided with an upper rope hole that can be closed/opened for connecting the upper rope hole. The lower end of the hook body is provided with a lower rope hole for connecting the lower rope; the upper end of the hook body is provided with a first notch, and the edge of the first notch is provided with a lock rod that can move up and down, so The first notch cooperates with the lock rod to form the upper rope hole, when the lock rod is in a high position, the upper rope hole is closed, and when the lock rod is in a low position, the upper rope hole is open; A locking mechanism and a decoupling mechanism are provided; the decoupling mechanism includes: a decoupling switch, a clamping plate and a second elastic element, the second elastic element is supported between the hook body and the clamping plate, and the decoupling switch covers It is arranged on the periphery of the hook body and is connected to the lower end of the lock rod. The upper end of the lock rod is provided with a second notch which is matched with the card plate. The decoupling switch can drive the lock rod under the action of external force. Move downward; the locking mechanism includes a locking switch and a first elastic element, the first elastic element is arranged at the lower end of the locking rod and supported between the hook body and the locking rod, the locking The switch is connected to the card plate, and the card plate has a No. 1 position that is clamped in the second gap under the action of the decoupling switch and the second elastic element, so that the lock lever is in a low position, and Under the action of the locking switch and the first elastic element, the locking lever is separated from the second notch, and the locking rod is placed in the second high position.

Further, the hook body includes a hook base and a hook upper cover, and the hook base is respectively provided with special card positions for accommodating the lock rod, the first elastic element, the card plate, the locking switch, and the second elastic element. The edges of the hook base and the hook upper cover are respectively provided with mutually matched snap structures, and the hook base and the hook top cover are positioned by the snap structures and then fixed by bolts.

Further, the metal elements in the crab pot hook are all made of 316L stainless steel.

Further, the decoupling switch is a sphere-like body, the upper part of the decoupling switch is a spherical surface and is provided with anti-slip threaded protrusions, and the bottom is designed with a hollow structure.

Further, the bottom of the hook body is provided with a water leakage hole.

Further, the stiffness of the first elastic element is greater than or equal to 4 kgf/mm.

Further, the lower edge of the first notch is provided with a protrusion, the protrusion is located on the outer side of the lock rod, the surface of the protrusion is provided with a smooth transition, and the height of the protrusion is not lower than the lock rod Altitude when in low position.

Further, the locking switch is a rod, the lower end of the locking switch is hinged on the hook body, the middle part is penetrated in the card plate, and the upper end is located inside the upper rope hole, and the upper rope is thrown. After entering the upper rope hole through the first gap, it hits the upper part of the locking switch to make it rotate around the hinge point, and then drives the card plate to move away from the lock rod; the upper rope hole and the lower rope are formed. The gravity line of the locking switch is arranged at an angle with the axis line of the locking switch.

Further, the gravity line formed by the upper rope hole and the lower rope throwing and the axis line of the locking rod are arranged at an included angle of 3°.

Further, the upper wall of the first notch is an inclined surface that gradually slopes upward from the inside to the outside, the angle between the inclined surface and the horizontal direction is 15°, and the upper wall of the first A first slot of the lock lever and a second slot for the locking switch to move.

Further, the hook body is made of nylon material.

The beneficial effects of the utility model are as follows: the crab cage hook of the utility model is provided with a decoupling switch, and the decoupling switch is pulled by an external force to replace the existing hand-grip force for decoupling, which can greatly reduce the intensity of manual work; the inner side of the upper rope hole A locking switch is set, and the inertia force of the upper rope is used to hit the locking switch to realize the automatic locking of the upper rope hole; the metal components are all made of 316L stainless steel, which is more in line with the characteristics of crab cages immersed in seawater for a long time, and improves the hook's safety. Corrosion resistance and service life; the lower part of the hook body is provided with a water leakage hole, and the lower part of the locking switch is provided with a hollow structure, which is convenient for mud and water to leak out and further improves the durability of the hook.

Description of drawings

Fig. 1 is the structural representation of a preferred embodiment of the present utility model;

2 is an exploded view of an embodiment of the present invention;

3 is a schematic structural diagram of the inside of the hook when the locking lever is in a low position in the embodiment of the present invention;

FIG. 4 is a schematic structural diagram of the inside of the hook when the lock lever is in a high position according to the embodiment of the present invention.

Detailed ways

The preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, so that the protection scope of the present utility model can be more clearly defined. .

Referring to FIGS. 1 to 4 , an embodiment of the present invention provides a crab cage hook that can be quickly detached, including: a hook body, the upper end of the hook body is provided with an upper rope hole that can be closed/opened for connecting the upper hook The lower end of the hook body is provided with a lower rope hole 6 for connecting the lower rope; the upper end of the hook body is provided with a first gap, and the edge of the first gap is provided with a lock rod 3 that can move up and down, The first gap cooperates with the locking rod 3 to form the upper rope hole. When the locking rod 3 is in a high position, the upper rope hole is closed, and when the locking rod 3 is in a low position, the upper rope hole is open; The locking rod 3 is equipped with a locking mechanism and a decoupling mechanism; the decoupling mechanism includes: a decoupling switch 4, a clamping plate 12 and a second spring 11, and the decoupling switch 4 is sleeved on the periphery of the hook body and is connected with the lower end of the locking rod 3. connection, the upper end of the locking rod 3 is provided with a second gap 3a that cooperates with the card plate 12, the second spring 11 is supported between the card plate 12 and the hook body, and the decoupling switch 4 The locking rod 3 can be driven downward under the action of external force; the locking mechanism includes a first spring 10 and a locking switch 5, the first spring 10 is arranged at the lower end of the locking rod 3 and is supported on the between the hook body and the locking rod 3; the locking switch 5 is a rod, the lower end of the locking switch 5 is hinged on the hook body, the middle part is penetrated in the card plate 12, and the upper end is located at the On the inner side of the upper rope hole, the clamping plate 12 has a number 1 which is clamped in the second notch 3a under the action of the decoupling switch 4 and the second spring 11 so that the locking lever 3 is in a low position. position (please refer to FIG. 3 ), and under the action of the locking switch 5 and the first spring 10 , the second position (please refer to FIG. 4 ) is disengaged from the locking rod 3 and the locking rod 3 is in a high position; After the upper rope enters the upper rope hole through the first gap, it hits the upper part of the locking switch 5 to make it rotate around the hinge point, and then drives the clamping plate 12 to move away from the locking rod 3 to close the upper rope hole; The gravity line formed by the upper rope hole and the lower throwing rope is arranged at an included angle with the axis line of the locking switch 5 , so that the upper throwing rope is easier to drive the locking switch 5 to act.

The hook body includes a hook base 2 and a hook upper cover 1, and the hook base 2 is respectively provided with a lock rod 3, a first spring 10, a card plate 12, a locking switch 5, and a second spring 11. The hook base 2 and the hook upper cover 1 are respectively provided with a snap structure that cooperates with each other. The hook base 2 and the hook cover 1 are positioned through the snap structure and then pass through three bolts. 9 fixed.

The first spring 10, the second spring 11, the card plate 12, the locking switch 5, the locking rod 3 and the three bolts 9 are all made of 316L stainless steel. Making metal parts in the hook can improve its corrosion resistance, thereby increasing its service life.

The decoupling switch 4 is a sphere-like body sleeved on the periphery of the hook body, the hook body is provided with a longitudinal slot 1a, the lower part of the lock rod 3 is designed with a U-shaped hook, and the decoupling switch 4 is connected to the lower part of the lock rod 3 through a pin 8. U-shaped hook, when the decoupling switch 4 is acted by an external force, the force is transmitted to the locking rod 3 through the pin 8, so that it moves up and down along the slot 1a. The upper part of the decoupling switch 4 is spherical and is provided with anti-slip thread protrusions The hollow structure is designed, the upper part is designed as a spherical surface, which makes it difficult to be stuck in place when impacted. The design of thread protrusions improves the friction during impact, and the hollow structure at the bottom facilitates the leakage of mud and water.

Water leakage holes are arranged on the lower bottom surface of the hook body to facilitate the leakage of muddy water.

The stiffness of the first spring is greater than or equal to 4kgf/mm, so as to provide sufficient resilience to the locking rod 3 .

The lower edge of the first notch is provided with a protrusion 7, the protrusion 7 is located on the outer side of the lock rod 3, the surface of the protrusion 7 is provided with a smooth transition, and the height of the protrusion 7 is not lower than the lock rod 3 is located at. The height of the low position, the purpose of designing the protrusion 7 is to increase the locking strength of the locking rod 3 when the sea surface is windy or the crab cage is heavy, so that the upper rope will not come out.

The gravitational line formed by the upper rope hole and the lower throwing rope is arranged at an angle of 3° with the axis of the locking rod 3 , and the purpose of designing this angle is to facilitate the disengagement of the crab cage.

The upper wall of the first notch is an inclined surface that gradually slopes upward from the inside to the outside, the angle between the inclined surface and the horizontal direction is 15°, and the upper wall of the first notch is provided with the lock rod 3 . The first slot and the second slot for the locking switch 5 to move.

The hook body is made of nylon.

The above descriptions are only the embodiments of the present invention, and are not intended to limit the scope of the patent of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied to other Relevant technical fields are similarly included in the scope of patent protection of the present invention.

Claims (10)

1. A crab pot hook capable of being quickly detached is characterized by comprising a hook body, wherein the upper end of the hook body is provided with an upper rope hole capable of being closed/opened and used for connecting an upper throwing rope, and the lower end of the hook body is provided with a lower rope hole and used for connecting a lower throwing rope; a first notch is formed in one side of the upper end of the hook body, a lock rod capable of moving up and down is arranged on the edge of the first notch, the first notch and the lock rod are matched to form the upper rope hole, when the lock rod is located at a high position, the upper rope hole is closed, and when the lock rod is located at a low position, the upper rope hole is opened; the lock rod is provided with a locking mechanism and a unhooking mechanism; the unhooking mechanism comprises: the hook comprises a hook body, a clamping plate and a second elastic element, wherein the second elastic element is supported between the hook body and the clamping plate, the hook body is sleeved with the hook switch and is connected with the lower end of the lock rod, the upper end of the lock rod is provided with a second notch matched with the clamping plate, and the hook switch can drive the lock rod to move downwards under the action of external force; the locking mechanism comprises a locking switch and a first elastic element, the first elastic element is arranged at the lower end of the locking rod and supported between the hook body and the locking rod, the locking switch is connected with the clamping plate, the clamping plate is provided with a first position at which the locking rod is at a low position and a second position at which the locking rod is at a high position, and the unhooking switch and the second elastic element are under the action of the locking switch and the first elastic element and are clamped in the second notch.

2. The crab pot hook capable of being quickly detached is characterized in that the hook body comprises a hook base and a hook upper cover, special clamping positions for accommodating the lock rod, the first elastic element, the clamping plate, the locking switch and the second elastic element are respectively arranged on the hook base, mutually matched buckling structures are respectively arranged on the edges of the hook base and the hook upper cover, and the hook base and the hook upper cover are fixed through bolts after being positioned through the buckling structures.

3. A quick release crab pot hanger as claimed in claim 1, wherein the metal elements of the crab pot hanger are made of 316L stainless steel.

4. The crab pot hook capable of being quickly detached as claimed in claim 1, wherein the unhooking switch is a sphere-like body, the upper part of the unhooking switch is a spherical surface and is provided with anti-skid thread protrusions, and the bottom of the unhooking switch is designed with a hollow structure.

5. The crab pot hook capable of being quickly detached as claimed in claim 1, wherein the bottom of the hook body is provided with a water leakage hole.

6. A quick detachable crab pot hanger according to claim 1, wherein the first resilient member has a stiffness of 4kgf/mm or more.

7. The crab pot hook capable of being quickly detached as claimed in claim 1, wherein a protrusion is arranged on the lower edge of the first notch, the protrusion is positioned on the outer side of the locking rod, the surface of the protrusion is provided with a smooth transition, and the height of the protrusion is not lower than the height of the locking rod when the locking rod is at a low position.

8. The crab pot hook capable of being quickly detached as claimed in claim 1, wherein the locking switch is a rod member, the lower end of the locking switch is hinged on the hook body, the middle part of the locking switch is arranged in the clamping plate in a penetrating manner, the upper end of the locking switch is arranged on the inner side of the upper rope hole, and after an upper throwing rope enters the upper rope hole from the first notch, the upper part of the locking switch is impacted to rotate around the hinged point, so that the clamping plate is driven to move to be separated from the lock rod; and a gravity line formed by the upper rope hole and the lower throwing rope forms an included angle with the axis of the locking switch.

9. The crab pot hook capable of being quickly detached as claimed in claim 1, wherein a gravity line formed by the upper rope hole and the lower throwing rope forms an included angle of 3 degrees with an axial lead of the lock rod.

10. The crab pot hook capable of being quickly detached is characterized in that the upper wall of the first notch is an inclined surface which gradually inclines upwards from inside to outside, the included angle between the inclined surface and the horizontal direction is 15 degrees, and the upper wall of the first notch is provided with a first groove for accommodating the lock rod and a second groove for moving the locking switch.

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