CN220831514U - Adjustable square mouth trawl - Google Patents

Abstract

The utility model discloses an adjustable square mouth trawl, which comprises: the fishing net is fixedly connected to the rear wall of the support, the rotating ring is rotatably connected to the outer wall of the bottom end of the support, the fixed cylinder is arranged on the outer wall of the rotating ring, the movable column is slidably connected to the inside of the fixed cylinder, the connecting column is fixedly connected to one end of the movable column, the rotating wheel is rotatably connected to the outer wall of the connecting column, the second spring is fixedly connected between the horizontal plate and the connecting column, the connecting plate is arranged at the bottom end of the support, the first spring is fixedly connected between the connecting plate and the connecting rod, and the arc-shaped stop block is fixedly connected to the bottom wall of the support.

Description

Adjustable square mouth trawl

Technical Field

The utility model relates to the technical field of trawl, in particular to an adjustable square mouth trawl.

Background

The trawl is used for dragging the fishing gear to advance in the sea bottom or sea water by utilizing the motion of the ship, the fishing gear is forced to enter the net bag through fishing objects such as fishes, shrimps, crabs and the like in the water, the purpose of fishing is achieved, and the trawl can be used for fishing some sundry garbage at the water bottom.

When the trawl is generally used, the trawl contacts the water bottom, and along with the movement of the trawl, some stones at the water bottom are dragged into the trawl together, and some stones can cut the trawl, so that the trawl is damaged.

Disclosure of Invention

The utility model aims to provide an adjustable square-mouth trawl, which can prevent stones from entering the trawl when a dead trawl moves, thereby damaging the trawl.

To achieve the above object, there is provided an adjustable square mouth trawl comprising: the fishing net support comprises a support, the back wall fixedly connected with fishing net of support, the bottom outer wall of support rotates and is connected with the swivel becket, the outer wall fixedly connected with connecting rod of swivel becket, the preceding wall fixedly connected with horizontal plate of connecting rod, the fixed section of thick bamboo of preceding wall fixedly connected with of horizontal plate, the inside sliding connection of fixed section of thick bamboo has the spliced pole, the one end fixedly connected with spliced pole of spliced pole, the outer wall rotation of spliced pole is connected with the swivel becket, fixedly connected with second spring between horizontal plate and the spliced pole, the upper surface fixedly connected with mount of support bottom, the preceding wall fixedly connected with connecting plate of mount, fixedly connected with first spring between connecting plate and the connecting rod, the diapire fixedly connected with arc dog of support.

According to the adjustable square-mouth trawl, an annular groove is formed in the outer wall of the bottom end of the support, and the rotating ring is rotationally connected in the annular groove.

According to the adjustable square-mouth trawl, the bottom end of the support is cylindrical.

According to the adjustable square-mouth trawl, the second spring is positioned at the outer sides of the fixed cylinder and the movable column.

According to the adjustable square mouth trawl, outer ear rings are fixedly connected to two side walls of the support, and hooks are fixedly connected to the outer walls of the outer ear rings.

According to the adjustable square-mouth trawl, the side bottom wall of the bracket is provided with two air cushions.

Compared with the prior art, the utility model has the beneficial effects that:

When the wheel touches the stone, the second spring and the movable column shrink, let the wheel that rotates be close to the horizontal plate, make the rotation ring rotate simultaneously, let the wheel that rotates be close to the air cushion, the first spring will become longer this moment, then the first spring needs shrink to raise whole wheel that rotates, cooperation arc dog uses, from the stone in the past, can adjust anterior support height, can prevent that the stone from entering into in the fishing net.

The air cushion can be stuck to the water bottom, so that the bracket is tilted, and a plurality of stones are prevented from entering the fishing net.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic perspective view of an adjustable square mouth trawl of the present utility model;

FIG. 2 is an enlarged view of a portion of the adjustable square mouth trawl of the present utility model at A in FIG. 1;

FIG. 3 is a side partial cross-sectional view of an adjustable square mouth trawl of the present utility model;

fig. 4 is a bottom view of an adjustable square mouth trawl of the present utility model.

Legend description:

1. A bracket; 2. fishing net; 3. an outer earring; 4. a hook; 5. an air cushion; 6. a fixing frame; 7. a rotating ring; 8. a first spring; 9. a connecting rod; 10. a horizontal plate; 11. a second spring; 12. a moving column; 13. a connecting column; 14. a rotating wheel; 15. a fixed cylinder; 16. a connecting plate; 17. an annular groove; 18. an arc-shaped stop block.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-4, an adjustable square mouth trawl according to an embodiment of the present utility model includes: the shape of the bottom end of the bracket 1 is cylindrical, the back wall of the bracket 1 is fixedly connected with a fishing net 2, the outer wall of the bottom end of the bracket 1 is rotationally connected with a rotating ring 7, the outer wall of the bottom end of the bracket 1 is provided with an annular groove 17, the rotating ring 7 is rotationally connected in the annular groove 17, the outer wall of the rotating ring 7 is fixedly connected with a connecting rod 9, the front wall of the connecting rod 9 is fixedly connected with a horizontal plate 10, the front wall of the horizontal plate 10 is fixedly connected with a fixed cylinder 15, the inside of the fixed cylinder 15 is slidingly connected with a movable column 12, one end of the movable column 12 is fixedly connected with a connecting column 13, the outer wall of the connecting column 13 is rotationally connected with a rotating wheel 14, a second spring 11 is fixedly connected between the horizontal plate 10 and the connecting column 13 and is positioned at the outer sides of the fixed cylinder 15 and the movable column 12, the upper surface of the bottom end of the bracket 1 is fixedly connected with a fixed frame 6, the front wall fixedly connected with connecting plate 16 of mount 6, fixedly connected with first spring 8 between connecting plate 16 and the connecting rod 9, the diapire fixedly connected with arc dog 18 of support 1, when rotor 14 touches the stone, second spring 11 and removal post 12 can shrink, let rotor 14 be close to horizontal plate 10, can make rotor 7 rotate simultaneously, let rotor 14 be close to air cushion 5, first spring 8 will become longer at this moment, then first spring 8 just needs to shrink, thereby raise whole rotor 14, pass from the stone, the height of arc dog is slightly lower than air cushion 5, make the arc dog paste at the bottom of the water, when rotor 14 passes from the stone, the stone will contact the arc dog, along with the removal of whole fishing net 2, the stone can be along the arc block both sides, the stone can not contact with fishing net 2 of rear side, can not let the stone enter into in the fishing net 2.

The outer ear rings 3 are fixedly connected to two side walls of the support 1, the hooks 4 are fixedly connected to the outer walls of the outer ear rings 3, and the outer ear rings are tied in the hooks 4 through ropes, so that the whole device can be moved.

The side bottom wall of the bracket 1 is provided with two air cushions 5 which can be stuck to the water bottom, so that the bracket 1 can be tilted and can be arranged at the bottom of the bracket 1.

Working principle: when the fishing net is used, the rope is tied on the hook 4 and then drags the whole fishing net 2 to move, the rotating wheel 14 can roll on the ground, the bracket 1 is lifted and separated from the ground through the two air cushions 5, the second spring 11 and the moving column 12 shrink along with the forward movement of the fishing net 2, when the rotating wheel 14 touches stones, the rotating wheel 14 is close to the horizontal plate 10 and simultaneously rotates the rotating ring 7, the rotating wheel 14 is close to the air cushions 5, at the moment, the first spring 8 lengthens, then the first spring 8 needs to shrink, the whole rotating wheel 14 is lifted, when the rotating wheel 14 passes from the stones, the stones contact the arc-shaped stop blocks, and as the whole fishing net 2 moves, the stones move along the two sides of the arc-shaped block and cannot contact the fishing net 2 at the rear side, and pass from the stones.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (6)

1. An adjustable square mouth trawl, comprising: support (1), the back wall fixedly connected with fishing net (2) of support (1), the bottom outer wall rotation of support (1) is connected with swivel becket (7), the outer wall fixedly connected with connecting rod (9) of swivel becket (7), the front wall fixedly connected with horizontal plate (10) of connecting rod (9), the fixed section of thick bamboo (15) of front wall fixedly connected with of horizontal plate (10), the inside sliding connection of fixed section of thick bamboo (15) has movable post (12), the one end fixedly connected with spliced pole (13) of movable post (12), the outer wall rotation of spliced pole (13) is connected with swivel pulley (14), fixedly connected with second spring (11) between horizontal plate (10) and spliced pole (13), the upper surface fixedly connected with mount (6) of support (1) bottom, the front wall fixedly connected with connecting plate (16) of mount (6), fixedly connected with first spring (8) between fixed plate (16) and connecting rod (9), the diapire fixedly connected with arc-shaped connection plate (18) of support (1).

2. An adjustable square mouth trawl according to claim 1, wherein the outer wall of the bottom end of the bracket (1) is provided with an annular groove (17), and the rotating ring (7) is rotatably connected in the annular groove (17).

3. An adjustable square mouth trawl according to claim 1, wherein the bottom end of the bracket (1) is cylindrical in shape.

4. An adjustable square mouth trawl according to claim 1, wherein the second spring (11) is located outside the fixed cylinder (15) and the moving column (12).

5. The square-mouth adjustable trawl according to claim 1, wherein two side walls of the bracket (1) are fixedly connected with an outer ear ring (3), and the outer wall of the outer ear ring (3) is fixedly connected with a hook (4).

6. An adjustable square mouth trawl according to claim 1, wherein the side bottom wall of the bracket (1) is provided with two air cushions (5).