Crayfish catching and screening tool

Abstract

The utility model discloses a crayfish catching and screening tool which comprises an outer frame, a holding handle is fixedly connected to one side of the outer frame, after a person directly holds the holding handle, the outer frame is immersed into a water area for catching, caught crayfishes are stored to the top of a coarse filter screen on the inner side of an inner frame, then the device is taken out from water, and the device is used for catching crayfishes. Water is leaked back to a water area from the coarse filter screen and the fine filter screen again, then the holding handle is continuously held to shake, the small-size crayfishes naturally fall to the top of the fine filter screen from gaps of the coarse filter screen due to the difference between the sizes of the crayfishes, screening of the crayfishes is completed, then a knob is pinched to rotate screw rods on the two sides, and the crayfishes are screened. One end of the screw rod is separated from the inner frame, the inner frame and the coarse filter screen are taken out after the buckling hole is buckled, and the crayfishes are respectively retained at the tops of the coarse filter screen and the fine filter screen according to different sizes, so that the condition that personnel need to screen the crayfishes one by one can be effectively reduced, and the subsequent processing efficiency is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to crayfish fishing technical field, concretely relates to a crayfish fishing screening tool. BACKGROUND

[0002] The crayfish fishing screening tool is a series of equipment and methods for fishing and screening crayfish to facilitate subsequent processing and sales. When using these tools, local fishery regulations and environmental protection regulations should be followed to conduct sustainable fishing and protect the aquatic ecological environment.

[0003] The existing part of crayfish fishing screening tools needs personnel to manually screen and distinguish one by one after batch fishing crayfish, which is a relatively tedious process and has a relatively adverse effect on subsequent processing efficiency. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem of overcoming the defects of the prior art and provides a crayfish fishing screening tool to solve the problem of the existing part of crayfish fishing screening tools in the prior art, which needs personnel to manually screen and distinguish one by one after batch fishing crayfish, which is a relatively tedious process and has a relatively adverse effect on subsequent processing efficiency.

[0005] To achieve the above object, the utility model provides the following technical scheme: a crayfish fishing screening tool, comprising an outer frame, the outer frame is fixedly connected with a handle on one side, the outer frame is fixedly connected with a fine filter screen at the bottom, the outer frame is fixedly connected with an adapter plate on the other side, the adapter plate is symmetrically provided with two, the adapter plate is screw connected with a screw rod on the inner side, the outer side of one end of the screw rod is screw connected with an inner frame, the inner frame is fixedly connected with a coarse filter screen at the bottom, and the outer side of the inner frame is slidingly connected with an outer frame.

[0006] Preferably, the inner frame is fixedly connected with a sliding bar on one side, the sliding bar is symmetrically provided with two, and the outer side of the sliding bar is slidingly connected with an outer frame.

[0007] Preferably, the inner frame is symmetrically provided with two buckle holes on the inner side.

[0008] Preferably, the outer frame and the inner frame are both made of acrylic material, and the inner frame is slidingly connected with the outer frame on the inner side.

[0009] Preferably, the outer side of one end of the handle is fixedly connected with a holding pad, the holding pad is made of flexible material, and the inner side of the holding pad is symmetrically provided with a plurality of concave lines.

[0010] Preferably, the handle is fixedly connected with a fixed block at one end, the fixed block is fixedly connected with a hanging ring on one side, and the inner wall of the hanging ring is deburred.

[0011] Preferably, one end of the screw rod is fixedly connected with a knob, the outer side of the screw rod is threadedly connected with an adapter plate, and the adapter plate is fixedly connected with an outer frame on one side.

[0012] Preferably, the outer side of one end of the screw rod is movably connected with a spring, and the spring is located between the adapter plate and the knob.

[0013] Compared with the prior art, the small lobster fishing and screening tool has the following beneficial effects:

[0014] 1. The inner frame is provided with an outer frame connected through sliding on the outer side, a coarse filter screen is fixedly connected to the bottom of the inner frame, and a fine filter screen is fixedly connected to the bottom of the outer frame. After holding the handle, the outer frame is immersed in the water area for fishing, and the caught small lobsters are stored on the top of the coarse filter screen on the inner side of the inner frame. Then, the water is taken out of the device, and the water is re-leaked from the coarse filter screen and the fine filter screen back into the water area. Then, the handle is held and shaken. Since the sizes of the small lobsters are different, the small lobsters with smaller sizes naturally fall from the gap of the coarse filter screen to the top of the fine filter screen, and the screening of the small lobsters is completed. Then, the knob is pinched and rotated to separate the screw rod from the inner frame. After buckling the buckle hole, the inner frame and the coarse filter screen are taken out. At this time, the small lobsters are different in size and are respectively stored on the top of the coarse filter screen and the fine filter screen, which can effectively reduce the situation of screening the small lobsters one by one, thereby ensuring the subsequent processing efficiency.

[0015] 2. The sliding bar is provided with an inner frame fixedly connected on one side, and an outer frame movably connected on the outer side, which can effectively ensure the stability of the inner frame in the inner side of the outer frame.

[0016] 3. The knob is provided with a screw rod fixedly connected on one side, which can effectively and conveniently be held and rotated by the personnel.

[0017] The parts not involved in the device are the same as or can be realized by the prior art. The structure of the utility model is scientific and reasonable, safe and convenient to use, and provides great help for people. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings are used to provide a further understanding of the utility model and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0019] Figure 1 It is a small lobster fishing and screening tool axonometric structure schematic view proposed by the utility model;

[0020] Figure 2 It is Figure 1 An enlarged structure schematic view of position A in the middle.

[0021] Figure 3 The exploded structural schematic view of the crayfish catching and screening tool is provided for the utility model;

[0022] Figure 4 The front view structural schematic view of the crayfish catching and screening tool is provided for the utility model;

[0023] Figure 5 The side view structural schematic view of the crayfish catching and screening tool is provided for the utility model;

[0024] Figure 6 The top view structural schematic view of the crayfish catching and screening tool is provided for the utility model;

[0025] In the figure: outer frame 1, handle 2, fine filter screen 3, adapter sheet 4, screw rod 5, inner frame 6, coarse filter screen 7, sliding bar 8, buckle hole 9, holding pad 10, concave line 11, fixed block 12, hanging ring 13, knob 14, spring 15. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-6The utility model provides a technical scheme: a crayfish fishing and screening tool, including the outer frame 1, the outer frame 1 one side fixedly connected with the handle 2, the outer frame 1 bottom fixedly connected with the fine filter screen 3, the other side fixedly connected with the adapter piece 4 of the outer frame 1, the adapter piece 4 symmetry is provided with two, the inboard of adapter piece 4 all are connected with screw rod 5, the inboard of screw rod 5 one end all are connected with inner frame 6, the inner frame 6 bottom fixedly connected with the coarse filter screen 7, the inboard of inner frame 6 is connected with the outer frame 1, personnel directly hold the handle 2 after fishing into the water area with the outer frame 1, and the crayfish that is fished is stored to the top of the coarse filter screen 7 of the inboard of inner frame 6, and then uses the water and takes out device, and the moisture is leaked back in the water area from the coarse filter screen 7 and fine filter screen 3, then continues to hold the handle 2 and shakes, because the size difference between crayfish, therefore the smaller crayfish falls to the top of fine filter screen 3 from the gap of coarse filter screen 7 naturally, and the screening of crayfish is completed, and then pinches knob 14 and rotates the screw rod 5 of both sides, makes the one end of screw rod 5 separate from the connection of inner frame 6, and after buckling buckle hole 9, the inner frame 6 and coarse filter screen 7 are taken out, the crayfish at this moment is different according to size, and is respectively detained with the top of coarse filter screen 7 and fine filter screen 3, can effectively reduce the situation that personnel needs to screen crayfish one by one, to guarantee the processing efficiency of subsequent.

[0028] In the utility model, preferably, the inboard of inner frame 6 is fixedly connected with slide strip 8, the slide strip 8 symmetry is provided with two, the inboard of slide strip 8 all is connected with the outer frame 1, can effectively guarantee the stability of inner frame 6.

[0029] In the utility model, preferably, the inboard of inner frame 6 symmetry is provided with two buckle holes 9, can effectively facilitate personnel to take out inner frame 6 after buckling.

[0030] In the utility model, preferably, the inboard of inner frame 6 symmetry is provided with two buckle holes 9, can effectively facilitate personnel to take out inner frame 6 after buckling.

[0031] In the utility model, preferably, the inboard of inner frame 6 symmetry is provided with two buckle holes 9, can effectively facilitate personnel to take out inner frame 6 after buckling.

[0032] In the utility model, preferably, the inboard of inner frame 6 symmetry is provided with two buckle holes 9, can effectively facilitate personnel to take out inner frame 6 after buckling.

[0033] In the utility model, preferably, the inboard of inner frame 6 symmetry is provided with two buckle holes 9, can effectively facilitate personnel to take out inner frame 6 after buckling.

[0034] The utility model discloses, preferably, the outside of screw rod 5 one end all swing joint has spring 15, and spring 15 all are located between adapter piece 4 and knob 14, can effectively guarantee the stability of screw rod 5 during long time use.

[0035] The working principle and use process of the utility model are as follows: when used, personnel hold the handle 2 and then immerse the outer frame 1 into water area to catch, and then use the water taking device to take out the small crayfish collected in the inner frame 6, and then shake the handle 2, because the sizes of the small crayfish are different, the small crayfish with small sizes naturally fall from the gap of the coarse filter screen 7 to the top of the fine filter screen 3, and the small crayfish are screened, then the knob 14 is pinched to rotate the screw rod 5 on both sides, the end of the screw rod 5 is separated from the connection with the inner frame 6, the inner frame 6 and the coarse filter screen 7 are taken out after the buckle hole 9 is buckled, at this time, the small crayfish are respectively left on the top of the coarse filter screen 7 and the fine filter screen 3 according to the different sizes, the situation that the personnel screen the small crayfish one by one can be effectively reduced, and the subsequent processing efficiency is ensured.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A crayfish harvesting and sorting tool comprising an outer frame (1) characterised in that: The outer frame (1) is fixedly connected with a handle (2), the bottom of the outer frame (1) is fixedly connected with a fine filter screen (3), the other side of the outer frame (1) is fixedly connected with an adapter plate (4), the adapter plate (4) is symmetrically provided with two, the inner side of the adapter plate (4) is threadedly connected with a screw rod (5), the outer side of one end of the screw rod (5) is threadedly connected with an inner frame (6), the bottom of the inner frame (6) is fixedly connected with a coarse filter screen (7), and the outer side of the inner frame (6) is slidably connected with the outer frame (1).

2. The crawfish harvesting and sorting tool of claim 1, wherein: The inner frame (6) is fixedly connected with a sliding bar (8) on one side, the sliding bar (8) is symmetrically provided with two, and the outer side of the sliding bar (8) is slidably connected with the outer frame (1).

3. The crawfish harvesting and sorting tool of claim 1, wherein: The inner frame (6) is symmetrically provided with two buckle holes (9) on the inner side.

4. The crawfish harvesting and sorting tool of claim 1, wherein: The outer frame (1) and the inner frame (6) are both made of acrylic material, and the inner side of the outer frame (1) is slidably connected with the inner frame (6).

5. The crawfish harvesting and sorting tool of claim 1, wherein: The outer side of one end of the handle (2) is fixedly connected with a holding pad (10), the holding pad (10) is made of flexible material, and the inner side of the holding pad (10) is symmetrically provided with a plurality of concaves (11).

6. The crawfish harvesting and sorting tool of claim 1, wherein: One end of the handle (2) is fixedly connected with a fixed block (12), one side of the fixed block (12) is fixedly connected with a hanging ring (13), and the inner wall of the hanging ring (13) is deburred.

7. The crawfish harvesting and sorting tool of claim 1, wherein: One end of the screw rod (5) is fixedly connected with a knob (14), the outer side of the screw rod (5) is threadedly connected with the adapter plate (4), and one side of the adapter plate (4) is fixedly connected with the outer frame (1).

8. The crawfish harvesting and sorting tool of claim 7, wherein: The outer side of one end of the screw rod (5) is movably connected with a spring (15), and the spring (15) is located between the adapter plate (4) and the knob (14).

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