CN210519869U

CN210519869U - Crab pot hook

Info

Publication number: CN210519869U
Application number: CN201921485021.1U
Authority: CN
Inventors: 朱邦杰; 刘夏冰; 郑雄胜; 张志伟
Original assignee: Zhejiang Ocean University ZJOU
Current assignee: Zhejiang Ocean University ZJOU
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-05-15
Anticipated expiration: 2029-09-06

Abstract

The utility model provides a crab pot couple belongs to fishing tackle equipment technical field. It has solved current crab pot and can not break away from class of technical problem voluntarily. The crab pot hook comprises a cylinder body, wherein a connecting rod is fixedly arranged at the closed end of the cylinder body; the clamp connecting piece is arranged in the cylinder body and comprises a first swinging plate and a second swinging plate which are oppositely arranged, and the middle parts of the first swinging plate and the second swinging plate are hinged through a connecting pin; a torsion spring which can enable the head ends of the first swing plate and the second swing plate to be close and the tail end to be far away is arranged between the first swing plate and the second swing plate, the head ends of the first swing plate and the second swing plate face the opening end of the cylinder body, and a rope threading hole is formed between the first swing plate and the second swing plate when the head ends of the first swing plate and the second swing plate are close; the circumferential surface of the cylinder body is provided with an extrusion piece which is opposite to the tail ends of the first swing plate and the second swing plate, and the extrusion piece can drive the first swing plate and the second swing plate to overcome the elasticity of the torsion spring and to be close to each other. The crab pot hook of the utility model is convenient to use, stable and reliable.

Description

Crab pot hook

Technical Field

The utility model belongs to the technical field of the fishing tackle, a crab pot couple is related to, especially to the couple device of crab pot fishing boat among the longline angles.

Background

The crab is a crustacean of decapod order, brachypodium order, and the crab has many kinds, most of which can be eaten, and the crab shell can be used for extracting industrial raw material chitin and glucosamine. The crab larva or adult can be used as bait and feed; the crabs mainly comprise portunus trituberculatus, portunus pelagicus, blue crabs, Chinese mitten crabs and the like; the portunus trituberculatus has more meat, is fat and beautiful and has rich nutrition, is an important economic crab in coastal areas of China, and is also a main fishing object of fishing boats for crab pot fishing operation in China. When the crab pot fishing boat catches, the cage unloading ring section in the crab pot pulling process is mainly finished in a manual mode; about 3000 crab pots need to be unloaded each time when the crab pot is pulled up, the number of the unloaded crab pots per minute is about 26, each crab pot is about 2Kg, and 4 professional cage unloading personnel are needed to alternately operate in the crab pot pulling-up link. The crab pot fishing boat is used for taking up and putting out the cages approximately 4 times every day, people need to hook and unhook about 12000 times, the labor intensity of workers is very high, in addition, the fishing period of the crab pot fishing boat is mainly in summer, and personal safety accidents such as misoperation caused by heatstroke and fatigue are very easy to happen to fishermen due to high-temperature and high-intensity labor. Therefore, the hook capable of automatically unloading the crab pot in the crab pot pulling process is designed, the crab pot is automatically separated from the main rope, and the hook has important and practical significance for reducing the operation intensity of workers and improving the operation efficiency.

Chinese patent (publication number: CN 105908402A; publication date: 2016-08-31) discloses an automatic crab pot gripping device, wherein the crab pot comprises an upper frame ring, a lower frame ring and vertical ribs, the vertical ribs are distributed at intervals along the circumferential direction of the upper frame ring and are connected with the upper frame ring and the lower frame ring, the gripping device comprises a gripping mechanism and an upper and lower driving mechanism, the upper and lower driving mechanism is connected with the gripping mechanism, and the upper and lower driving mechanism can drive the gripping mechanism to move up and down; snatch the mechanism and include base, push pedal, a horizontal drive unit and a plurality of clamping jaw subassembly, clamping jaw unit mount is between base and push pedal, and all clamping jaw subassemblies all set up along the even interval of circumference of base, one of them clamping jaw subassembly and push pedal fixed connection, surplus clamping jaw subassembly and push pedal sliding connection, drive all clamping jaw subassemblies radially expand outward through the radial translation of horizontal drive unit drive push pedal and prop the gripping that tightly realizes the crab pot with the last frame circle of crab pot.

The automatic crab pot gripping device in the patent document has a complex structure and is inconvenient to use.

Disclosure of Invention

The utility model discloses to the above-mentioned problem that prior art exists, provide a crab pot couple, the utility model aims to solve the technical problem that: how to improve the convenience that the crab pot breaks away from main rope.

The purpose of the utility model can be realized by the following technical proposal:

the crab pot hook is characterized by comprising a barrel body, wherein one end of the barrel body is provided with an opening, and the other end of the barrel body is closed; the clamp connecting piece is arranged in the cylinder body and comprises a first swinging plate and a second swinging plate which are oppositely arranged, and the middle parts of the first swinging plate and the second swinging plate are hinged through a connecting pin; a torsion spring which can enable the head ends of the first swing plate and the second swing plate to be close and the tail end to be far away is arranged between the first swing plate and the second swing plate, the head ends of the first swing plate and the second swing plate face the opening end of the cylinder body, and a rope threading hole is formed between the first swing plate and the second swing plate when the head ends of the first swing plate and the second swing plate are close; the circumferential surface of the cylinder body is provided with an extrusion piece opposite to the tail ends of the first swing plate and the second swing plate, and the extrusion piece can drive the first swing plate and the second swing plate to overcome the elasticity of the torsion spring to mutually approach.

The working principle is as follows: a plurality of crab pots are all hung on the main rope through the crab pot hook, each crab pot corresponds to one crab pot hook, and a plurality of crab pots are distributed on each main rope at intervals. The crab pot is connected on the connecting rod of shackle connection at the barrel lower extreme through connecting the rope, connects the connection through-hole that the rope passed on the connecting rod, also is connected with the connection rope that corresponds every crab pot on the main rope, connects the rope and can wear to establish in the stringing hole of clip connecting piece. Under the action of the torsion spring, the ends of the first swing plate and the second swing plate are close to each other, the rope through hole is closed, and the connecting rope cannot be separated from the rope through hole, so that connection is realized; when the crab pot needs to be disassembled, the extrusion piece is pressed under the action of external force, the extrusion piece overcomes the elasticity of the torsion spring, so that the tail ends of the first swing plate and the second swing plate are close to each other, the head ends are separated from each other, the closed rope penetrating hole is opened, the connecting rope is separated from the rope penetrating hole, and the crab pot is unloaded.

The crab pot hook of the utility model utilizes the clip connecting piece to open or close the rope-through hole to form connection or disconnection of the connecting rope, thereby realizing the connection and the disassembly of the crab pot; the device has the advantages of simple overall structure, low cost, simple operation, safety, high efficiency, stability and reliability.

In the crab pot hook, mounting holes are formed in two sides of the cylinder body, two extrusion pieces are embedded in the two mounting holes respectively, the outer surface of a small part of the extrusion pieces is arc-shaped and penetrates through the mounting holes to be exposed out of the cylinder body, and the other large part of the extrusion pieces is positioned in the cylinder body; one of the extrusion pieces is abutted against the outer side of the tail end of the first swing plate, and the other extrusion piece is abutted against the outer side of the tail end of the second swing plate.

In the crab pot hook, the first swing plate and the second swing plate are both in a long strip plate shape, the middle parts of the first swing plate and the second swing plate are respectively provided with a connecting part facing to each other, the two connecting parts are arranged in a staggered mode, and the connecting pin is movably inserted into the two connecting parts.

In the crab pot hook, a limiting sleeve is fixedly arranged in the cylinder body, the inner end of the limiting sleeve is inserted into the cylinder body from the open end of the cylinder body, a limiting flange abutting against the end face of the cylinder body is arranged at the outer end of the limiting sleeve, a conical limiting surface is arranged on the inner wall of the limiting sleeve, the first oscillating plate and the second oscillating plate are positioned in the limiting sleeve, and the tail ends of the first oscillating plate and the second oscillating plate can abut against the limiting surface. This facilitates assembly while preventing the clip connector from falling off.

In the crab pot hook, one end of the swing plate faces the side face of the swing plate II and is provided with the arc-shaped bulge I, the other end of the swing plate faces the side face of the swing plate I and is provided with the arc-shaped bulge II, the arc-shaped bulge I and the arc-shaped bulge II are arranged in a staggered mode, and the lower side face of the arc-shaped bulge I abuts against the upper side face of the arc-shaped bulge II.

In the crab pot hook, the side face, facing the second swing plate, of one end of the swing plate is provided with a third arc-shaped protrusion, the side face, facing the first swing plate, of the second swing plate is provided with an arc-shaped groove, the third arc-shaped protrusion is right opposite to the arc-shaped groove, and the third arc-shaped protrusion can be embedded in the arc-shaped groove.

In the crab pot hook, the rope threading hole is positioned between the connecting part and the first arc-shaped bulge and the second arc-shaped bulge, and the third arc-shaped bulge and the arc-shaped groove are both positioned above the first arc-shaped bulge and the second arc-shaped bulge. Therefore, the stability and the reliability of the swing plate when the head end of the swing plate is abutted against the two head ends of the swing plate can be further ensured, and the connection rope caused by accidents is prevented from being separated from the rope threading hole.

Drawings

Fig. 1 is a schematic perspective view of the crab pot hook.

Fig. 2 is a front structural schematic diagram of the clamp connecting piece in the crab pot hook.

Fig. 3 is a schematic perspective view of a first swing plate in the crab pot hook.

In the figure, 1, a cylinder; 11. mounting holes; 2. a connecting rod; 21. a connecting through hole; 3. a clip connector; 31. a first swinging plate; 31a, a first arc-shaped bulge; 31b, an arc-shaped bulge III; 32. a second swinging plate; 32a and a second arc-shaped bulge; 32b, arc-shaped grooves; 33. a connecting pin; 34. a torsion spring; 35. a stringing hole; 36. a connecting portion; 4. an extrusion; 5. a limiting sleeve; 51. a limiting flange; 6. and connecting ropes.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 3, the crab pot hook comprises a cylinder body 1 with an opening at one end and a closed end at the other end, wherein a connecting rod 2 is fixedly arranged at the closed end of the cylinder body 1, one end of the connecting rod 2 extends into the cylinder body 1, the other end is positioned outside the cylinder body 1, and the end is provided with a connecting through hole 21; the clamp connecting piece 3 is arranged in the cylinder 1, the clamp connecting piece 3 comprises a first swinging plate 31 and a second swinging plate 32 which are oppositely arranged, and the middle parts of the first swinging plate 31 and the second swinging plate 32 are hinged through a connecting pin 33; a torsion spring 34 which can enable the head ends of the first swing plate 31 and the second swing plate 32 to be close and the tail end to be far away is arranged between the first swing plate 31 and the second swing plate 32, the head ends of the first swing plate 31 and the second swing plate 32 face the opening end of the cylinder body 1, and a rope threading hole 35 is formed between the first swing plate 31 and the second swing plate 32 when the head ends are close; the circumferential surface of the cylinder 1 is provided with an extrusion part 4 opposite to the tail ends of the first swing plate 31 and the second swing plate 32, and the extrusion part 4 can drive the first swing plate 31 and the second swing plate 32 to mutually approach against the elasticity of the torsion spring 34. Specifically, mounting holes 11 are formed in the two sides of the barrel body 1, two extrusion pieces 4 are embedded in the two mounting holes 11 respectively, a small part of the outer surface of each extrusion piece 4 is arc-shaped and penetrates through the mounting holes 11 to be exposed out of the barrel body 1, and the other large part of the outer surface of each extrusion piece 4 is located in the barrel body 1; one extrusion piece 4 abuts against the outer side of the tail end of the first swing plate 31, and the other extrusion piece 4 abuts against the outer side of the tail end of the second swing plate 32; the barrel 1 is internally and fixedly provided with a limiting sleeve 5, the inner end of the limiting sleeve 5 is inserted into the barrel 1 from the opening end of the barrel 1, the outer end of the limiting sleeve 5 is provided with a limiting flange 51 which is abutted against the end surface of the barrel 1, the inner wall of the limiting sleeve 5 is provided with a conical limiting surface, the first oscillating plate 31 and the second oscillating plate 32 are positioned in the limiting sleeve 5, and the tail ends of the first oscillating plate and the second oscillating plate can be abutted against the limiting surface.

When the crab pot hook is used, a plurality of crab pots are all hung on the main rope through the crab pot hook, each crab pot corresponds to one crab pot hook, and a plurality of crab pots are distributed on each main rope at intervals. The crab pot is connected on the connecting rod 2 of shackle connection at barrel 1 lower extreme through connecting rope 6, connects rope 6 and passes the connect the through-hole 21 on the connecting rod 2, also is connected with the connection rope 6 that corresponds every crab pot on the main rope, connects rope 6 and can wear to establish in the stringing hole 35 of clip connecting piece 3. Under the action of the torsion spring 34, the head ends of the first swing plate 31 and the second swing plate 32 are close to each other, the rope through hole 35 is closed, and the connecting rope 6 cannot be separated from the rope through hole 35, so that connection is realized; when the crab pot needs to be disassembled, the extrusion part 4 is pressed under the action of external force, the extrusion part 4 overcomes the elasticity of the torsion spring 34, so that the tail ends of the first swing plate 31 and the second swing plate 32 are close to each other, the head ends of the first swing plate and the second swing plate are separated from each other, the closed rope penetrating hole 35 is opened, the connecting rope 6 is separated from the rope penetrating hole 35, and the crab pot is unloaded. The crab pot hook utilizes the clip connecting piece 3 to open or close the rope through hole 35 to form connection or disconnection of the connecting rope 6, thereby realizing the connection and the disconnection of the crab pot; the device has the advantages of simple overall structure, low cost, simple operation, safety, high efficiency, stability and reliability.

Further, as shown in fig. 2 and 3, the first swing plate 31 and the second swing plate 32 are both in the shape of a long strip plate, the middle parts of the first swing plate 31 and the second swing plate 32 are both provided with connecting parts 36 facing each other, the two connecting parts 36 are arranged in a staggered manner, and the connecting pins 33 are movably inserted into the two connecting parts 36; the side of the head end of the first swing plate 31 facing the second swing plate 32 is provided with a first arc-shaped protrusion 31a, the side of the head end of the second swing plate 32 facing the first swing plate 31 is provided with a second arc-shaped protrusion 32a, the first arc-shaped protrusion 31a and the second arc-shaped protrusion 32a are arranged in a staggered mode, and the lower side surface of the first arc-shaped protrusion 31a abuts against the upper side surface of the second arc-shaped protrusion 32 a; the side surface of the head end of the first swing plate 31 facing the second swing plate 32 is provided with an arc-shaped protrusion third 31b, the side surface of the head end of the second swing plate 32 facing the first swing plate 31 is provided with an arc-shaped groove 32b, the arc-shaped protrusion third 31b is opposite to the arc-shaped groove 32b, and the arc-shaped protrusion third 31b can be embedded in the arc-shaped groove 32 b; the rope threading hole 35 is located between the connecting portion 36 and the first arc protrusion 31a and the second arc protrusion 32a, and the third arc protrusion 31b and the arc groove 32b are located above the first arc protrusion 31a and the second arc protrusion 32a, so that the stability and reliability of the first swing plate 31 and the second swing plate 32 can be further guaranteed when the head ends abut against each other, and the connecting rope 6 caused by accidents is prevented from being separated from the rope threading hole 35.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although 1, barrel is used more herein; 11. mounting holes; 2. a connecting rod; 21. a connecting through hole; 3. a clip connector; 31. a first swinging plate; 31a, a first arc-shaped bulge; 31b, an arc-shaped bulge III; 32. a second swinging plate; 32a and a second arc-shaped bulge; 32b, arc-shaped grooves; 33. a connecting pin; 34. a torsion spring; 35. a stringing hole; 36. a connecting portion; 4. an extrusion; 5. a limiting sleeve; 51. a limiting flange; 6. connecting ropes, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The crab pot hook is characterized by comprising a cylinder body (1) with an opening at one end and a closed end at the other end, wherein a connecting rod (2) is fixedly arranged at the closed end of the cylinder body (1), one end of the connecting rod (2) extends into the cylinder body (1), the other end of the connecting rod is positioned outside the cylinder body (1), and the end of the connecting rod is provided with a connecting through hole (21); the clamp connecting piece (3) is arranged in the barrel (1), the clamp connecting piece (3) comprises a first swinging plate (31) and a second swinging plate (32) which are oppositely arranged, and the middle parts of the first swinging plate (31) and the second swinging plate (32) are hinged through a connecting pin (33); a torsion spring (34) which can enable the head ends of the first swinging plate (31) and the second swinging plate (32) to be close and the tail end to be far away is arranged between the first swinging plate (31) and the second swinging plate (32), the head ends of the first swinging plate (31) and the second swinging plate (32) face the opening end of the cylinder body (1), and a rope threading hole (35) is formed between the first swinging plate (31) and the second swinging plate (32) when the head ends are close; the barrel (1) is provided with an extrusion part (4) opposite to the tail ends of the first swing plate (31) and the second swing plate (32) on the circumferential surface, and the extrusion part (4) can drive the first swing plate (31) and the second swing plate (32) to overcome the elasticity of the torsion spring (34) and draw close to each other.

2. The crab pot hook according to claim 1, wherein the two sides of the barrel (1) are provided with mounting holes (11), the two extrusion pieces (4) are respectively embedded in the two mounting holes (11), a small part of the outer surface of each extrusion piece (4) is arc-shaped and passes through the mounting holes (11) to be exposed out of the barrel (1), and the other large part of the outer surface of each extrusion piece is positioned in the barrel (1); one of the extrusion pieces (4) is abutted against the outer side of the tail end of the first swing plate (31), and the other extrusion piece (4) is abutted against the outer side of the tail end of the second swing plate (32).

3. The crab pot hook according to claim 2, wherein the first swing plate (31) and the second swing plate (32) are both in the shape of an elongated plate, the middle parts of the first swing plate (31) and the second swing plate (32) are provided with connecting parts (36) facing each other, the two connecting parts (36) are arranged in a staggered manner, and the connecting pin (33) is movably inserted into the two connecting parts (36).

4. The crab pot hook according to claim 3, wherein a limiting sleeve (5) is fixedly arranged in the cylinder body (1), the inner end of the limiting sleeve (5) is inserted into the cylinder body (1) from the open end of the cylinder body (1), the outer end of the limiting sleeve (5) is provided with a limiting flange (51) abutting against the end surface of the cylinder body (1), the inner wall of the limiting sleeve (5) is provided with a conical limiting surface, the first swing plate (31) and the second swing plate (32) are positioned in the limiting sleeve (5), and the tail ends of the first swing plate and the second swing plate can abut against the limiting surface.

5. The crab pot hook according to claim 3 or 4, wherein the first swing plate (31) has a first arc-shaped protrusion (31a) on the side facing the second swing plate (32) at the head end, the second swing plate (32) has a second arc-shaped protrusion (32a) on the side facing the first swing plate (31) at the head end, the first arc-shaped protrusion (31a) and the second arc-shaped protrusion (32a) are staggered, and the lower side of the first arc-shaped protrusion (31a) abuts against the upper side of the second arc-shaped protrusion (32 a).

6. The crab pot hook according to claim 5, wherein the side of the first swing plate (31) facing the second swing plate (32) has a third arc-shaped protrusion (31b), the side of the second swing plate (32) facing the first swing plate (31) has a third arc-shaped groove (32b), the third arc-shaped protrusion (31b) is directly opposite to the first arc-shaped groove (32b), and the third arc-shaped protrusion (31b) can be embedded in the third arc-shaped groove (32 b).

7. The crab pot hook as claimed in claim 6, wherein the stringing hole (35) is located between the connecting portion (36) and the first and second arc-shaped protrusions (31a, 32a), and the third and second arc-shaped protrusions (31b, 32b) are located above the first and second arc-shaped protrusions (31a, 32 a).