Combined artificial fish nest and method of using the same

Abstract

The application discloses a combined artificial fish nest and a use method thereof, relates to the technical field of artificial fish nests, and comprises a floating frame and an adjusting unit. The inner side of the floating frame is provided with a fixing groove. The top surface of the floating frame is connected with the bottom end of a handle. The outer side of the handle is sleeved with an antiskid sleeve. One side of the top surface of the floating frame is provided with an assembling unit. The top surface of the floating frame is provided with a fixing unit. The adjusting unit comprises a fixing rod, an adjusting frame, a T-shaped groove, an adjusting rod, a handle, a limiting block, a T-shaped block, a connecting seat, a connecting head and a fish nest placing frame. The combined artificial fish nest and the use method thereof are characterized in that the bolts are threadedly connected with the screw holes on the surface of the fixing plate, the multiple floating frames can be conveniently installed according to the use condition, the fixing rod is clamped with the fixing groove, and the adjusting frame is slidably combined according to the use condition of the artificial fish nest, so that the practicability of the artificial fish nest is improved, and the problem of breakage or damage is prevented in the use process.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of artificial fish nest, in particular to a combined artificial fish nest and a using method thereof. BACKGROUND

[0002] The artificial fish nest is mainly prepared for the ornamental fish with sticky eggs, so that the fertilized eggs can adhere to it, and the types of artificial fish nests for hatching are various, and the selection principle is: the material for making the fish nest is non-toxic, durable, large in adhesion area, wide in source and low in price; it is better to float in water, the area after spreading should be large, and it is convenient for the eggs to adhere; the material for making the fish nest should be soft, and the parent fish will not be hurt when chasing and touching, in addition, the artificial fish nest is not easy to rot, does not affect the water quality change, and is beneficial to the hatching of fertilized eggs into fry. The goldfish algae, grass, lotus, water lotus, rotating black algae, willow root, palm skin and raw hemp silk can be made into fish nests. However, the current artificial fish nest is mostly made of simple wooden rods and ropes in the using process, which is easy to be broken or damaged due to water immersion, and the combination process is complex and the practicability is low. Therefore, we propose a combined artificial fish nest and a using method thereof. SUMMARY

[0003] The technical problem to be solved by the present application is to overcome the defects of the prior art, provide a combined artificial fish nest and a using method thereof, and adopt bolt and screw hole thread connection on the surface of the fixed plate to facilitate the installation of multiple floating frames according to the use condition, and the fixed rod is connected with the fixed groove, and the adjusting frame is matched with the sliding adjusting frame, so that the artificial fish nest can be combined according to the use condition, so as to improve the practicability of the artificial fish nest, prevent the breakage or damage in the using process, and effectively solve the problems in the background art.

[0004] To achieve the above object, the present application provides the following technical scheme: a combined artificial fish nest, comprising a floating frame and an adjusting unit.

[0005] The floating frame is provided with a fixed groove on the inner side, the top surface of the floating frame is connected with the bottom end of the handle, the outer side of the handle is sleeved with an anti-skid sleeve, one side of the top surface of the floating frame is provided with an assembling unit, and the top surface of the floating frame is provided with a fixing unit.

[0006] Adjusting unit: it comprises fixed rod, adjusting frame, T-shaped groove, adjusting rod, handle, limiting block, T-shaped block, connecting seat, connecting head and fish nest placing rack, the end of the fixed rod is inserted with the inner part of the fixed groove, the outer side of the fixed rod is slidably connected with the adjusting frame, the bottom surface of the fixed rod is provided with a T-shaped groove, the inner part of the adjusting frame is fixedly provided with a T-shaped block, the T-shaped block is slidably connected with the T-shaped groove, the through hole in the top surface of the adjusting frame is slidably connected with the adjusting rod, the top end of the adjusting rod is provided with a handle, the outer side surface of the adjusting rod is uniformly provided with limiting blocks, the bottom end of the adjusting rod is connected with the middle part of the top surface of the connecting seat, the inner part of the connecting seat is rotatably connected with the connecting head, and the front side end of the connecting head is fixedly connected with the middle part of the rear side surface of the fish nest placing rack.

[0007] The fixed rod is inserted into the inner part of the fixed groove, the handle is held to drive the adjusting rod to slide up and down, and the limiting block is clamped on the bottom surface of the adjusting frame by rotating the adjusting rod, so that the height of the fish nest placing rack can be adjusted, and the connecting head in the inner part of the connecting seat can adjust the direction of the fish nest according to the direction of the water flow.

[0008] Further, the assembling unit comprises an extension rod, a sliding block, a rotating shaft, a bolt and a fixed plate, the left and right sides of the inner part of the extension rod are slidably connected with the sliding blocks, the outer side surface of the sliding block is rotatably connected with the rotating shaft, the outer side surface of the rotating shaft is fixedly provided with the bolt, the fixed plate is installed on one side of the top surface of the floating frame, and the threaded hole in the surface of the fixed plate is threadedly connected with the bolt.

[0009] Further, the assembling unit further comprises a socket and a plug rod, the sockets are uniformly arranged on the top surface of the extension rod, and the inner part of the socket is inserted with the plug rod.

[0010] Further, the fixing unit comprises a pressing plate, a return spring, a handle and a placing groove, the placing groove is arranged on the top surface of the floating frame, the inner part of the placing groove is fixedly provided with the return spring, the top end of the return spring is connected with one side of the bottom surface of the pressing plate, the top surface of the pressing plate is provided with a handle in the middle part, the return spring is retracted by loosening the handle, so that the pressing plate fixes the fixed rod in the inner part of the fixed groove, which facilitates the combination of the artificial fish nest according to different use conditions, and prevents the fixed rod from falling off.

[0011] Further, the floating plate, the mounting frame and the clamping block are further included, the mounting frame is mounted at the bottom end of the outer side of the floating frame, the bottom end of the mounting frame is connected with the middle part of the top surface of the floating plate, the clamping block is fixed on the middle part of the outer side of the floating frame, the clamping block is clamped with the clamping hole in the middle part of the mounting frame, the mounting frame is mounted on the outer side of the floating frame, the clamping block is clamped into the clamping hole on the surface of the mounting frame to fix the floating plate, and the floating plate can provide large buoyancy for the artificial fish nest, so that the artificial fish nest is prevented from being turned over due to the influence of water flow.

[0012] Further, the fastening bolt and the pressing plate are further included, the fastening bolt has two and is respectively screwed with the shaft hole on the top surface of the fish nest placing frame, the pressing plate is slidingly connected in the fish nest placing frame, the top surface of the pressing plate is attached to the bottom surface of the fastening bolt, the pressing plate fixes the fish nest in the fish nest placing frame by rotating the fastening bolt, and meanwhile, it is convenient for installing different types of fish nests.

[0013] Further, the fixing hole and the elastic protrusion are further included, the fixing hole is arranged on the front side of the adjusting frame, the elastic protrusions are uniformly distributed on the front side of the fixing rod, the elastic protrusions are clamped with the fixing hole, and the position of the adjusting frame is fixed by clamping the elastic protrusions into the fixing hole.

[0014] Further, the sliding rod is further included, the sliding rod has two and is respectively fixed on the two sides of the top surface of the connecting seat, and the sliding rod is slidingly connected with the sliding groove on the side surface of the adjusting frame; the sliding rod is slid in the sliding groove to increase the stability when the adjusting rod is lifted.

[0015] Further, the limiting clamping rod is further included, the limiting clamping rod has two and is respectively mounted on the front and rear sides of the connecting seat, the bottom surface of the limiting clamping rod is attached to the top surface of the connecting head, the limiting clamping rod can limit the position of the connecting head, so that the fish nest is prevented from being upwardly inclined due to the excessively large rotating angle of the connecting head.

[0016] A use method of the combined artificial fish nest, comprising the following steps:

[0017] S1: first, the fixing rod is placed in the fixing groove, the person loosens the handle to make the reset spring contract, the pressing plate fixes the fixing rod in the fixing groove, the mounting frame is mounted on the outer side of the floating frame, the clamping block is clamped into the clamping hole in the middle part of the mounting frame to fix the floating plate, and then the floating frame is placed on the water surface by pulling the handle;

[0018] S2: the sliding block is slid in the extension rod, the insertion rod is inserted through the insertion hole to fix the sliding block, and the screw is screwed with the screw hole in the middle part of the fixing plate to determine the distance between the plurality of floating frames;

[0019] S3: Rotate the fastening bolt to make the pressing plate press the artificial fish nest tightly in the inside of the fish nest placing rack, slide the adjusting rack to adjust the position of the fish nest placing rack, and the elastic lugs are clamped in the fixing holes to prevent the fish nest placing rack from malfunctioning;

[0020] S4: Hold the handle and slide the adjusting rod up and down to adjust the height of the artificial fish nest in the water, rotate the adjusting rod to make the limiting block clamped on the surface of the adjusting rack to fix the height of the fish nest placing rack, so that the fish eggs are conveniently attached to the surface of the artificial fish nest.

[0021] Compared with the prior art, the combination type artificial fish nest and the using method thereof have the following advantages:

[0022] 1. The fixed rod is clamped in the inside of the fixed slot, the handle is loosened to make the reset spring contract, so that the pressing plate fixes the fixed rod in the inside of the fixed slot, which is convenient for combining the artificial fish nests according to different use conditions, and prevents the fixed rod from falling off.

[0023] 2. The position of the rotating shaft is adjusted by the sliding block inside the extension rod, the plug rod is inserted through the plug hole to fix the position of the sliding block inside the extension rod, the distance between the plurality of floating racks is adjusted by using the threaded connection between the bolt and the screw hole on the surface of the fixed plate, thereby improving the practicability of the artificial fish nest.

[0024] 3. The position of the fish nest placing rack is adjusted by sliding the adjusting rack, the elastic lugs are clamped in the inside of the fixing holes for fixing, the adjusting rod is slid up and down while being rotated by holding the handle, and the limiting block is clamped on the bottom surface of the adjusting rack, so that the height of the fish nest placing rack can be adjusted, and the connecting head inside the connecting seat can adjust the direction of the fish nest according to the direction of the water flow.

[0025] 4. The mounting rack is mounted on the outside of the floating rack, the clamping block is clamped in the clamping hole on the surface of the mounting rack to fix the floating plate, and the floating plate can provide a large buoyancy for the artificial fish nest, thereby preventing the artificial fish nest from being affected by the water flow and causing a rollover. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic view of the present application;

[0027] Figure 2 It is a structural schematic view of the assembly unit of the present application;

[0028] Figure 3 It is a structural schematic view of the adjusting unit of the present application;

[0029] Figure 4 It is a structural schematic view of the local enlargement at A of the present application.

[0030] In the figure: 1 floating frame, 2 adjusting unit, 21 fixed rod, 22 adjusting frame, 23 T-shaped groove, 24 adjusting rod, 25 handle, 26 limit block, 27 T-shaped block, 28 connecting seat, 29 connecting head, 210 fish nest placing frame, 3 assembling unit, 31 extension rod, 32 sliding block, 33 rotating shaft, 34 bolt, 35 fixed plate, 36 insertion hole, 37 insertion rod, 4 fixing unit, 41 pressing plate, 42 reset spring, 43 handle, 44 placing groove, 5 fixing groove, 6 lifting handle, 7 anti-skid sleeve, 8 floating plate, 9 mounting frame, 10 clamping block, 11 fastening bolt, 12 pressing plate, 13 fixing hole, 14 elastic protrusion, 15 sliding rod, 16 limit clamping rod. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0032] Please refer to Figures 1-4 The present embodiment provides a technical solution: a combined artificial fish nest, comprising a floating frame 1 and an adjusting unit 2.

[0033] The inner side of the floating frame 1 is provided with a fixing groove 5, the top surface of the floating frame 1 is connected with the bottom end of the handle 6, the outer side of the handle 6 is sleeved with the anti-skid sleeve 7, one side of the top surface of the floating frame 1 is provided with the assembling unit 3, the assembling unit 3 comprises an extension rod 31, a sliding block 32, a rotating shaft 33, a bolt 34 and a fixing plate 35, the left and right sides of the inside of the extension rod 31 are slidably connected with the sliding block 32, the outer side of the sliding block 32 is rotatably connected with the rotating shaft 33, the outer side of the rotating shaft 33 is fixedly connected with the bolt 34, the fixing plate 35 is installed on one side of the top surface of the floating frame 1, the screw hole in the surface of the fixing plate 35 is threadedly connected with the bolt 34, the sliding block 32 slidably arranged in the inside of the extension rod 31 is used for adjusting the position of the rotating shaft 33, the bolt 34 is threadedly connected with the screw hole in the surface of the fixing plate 35, so that the distance between the plurality of floating frames 1 can be adjusted, thereby improving the practicability of the artificial fish nest, the assembling unit 3 further comprises a plug hole 36 and a plug rod 37, the plug hole 36 is uniformly arranged in the top surface of the extension rod 31, the inside of the plug hole 36 is inserted with the plug rod 37, the plug rod 37 passes through the plug hole 36 to fix the position of the sliding block 32 in the inside of the extension rod 31, the top surface of the floating frame 1 is provided with the fixing unit 4, the fixing unit 4 comprises a pressing plate 41, a return spring 42, a handle 43 and a placing groove 44, the placing groove 44 is arranged in the top surface of the floating frame 1, the inside of the placing groove 44 is fixedly connected with the return spring 42, one side of the bottom surface of the pressing plate 41 is connected with the top end of the return spring 42, the top surface of the pressing plate 41 is provided with the handle 43 in the middle, the return spring 42 is retracted by loosening the handle 43, so that the pressing plate 41 fixes the fixing rod 21 in the inside of the fixing groove 5, which is convenient for combining the artificial fish nest according to different use conditions, and prevents the fixing rod 21 from falling off;

[0034] The adjusting unit 2 comprises a fixed rod 21, an adjusting frame 22, a T-shaped groove 23, an adjusting rod 24, a handle 25, a limiting block 26, a T-shaped block 27, a connecting seat 28, a connecting head 29 and a fish nest placing frame 210, the end of the fixed rod 21 is inserted into the inner part of the fixed groove 5, the outer side of the fixed rod 21 is slidably connected with the adjusting frame 22, the bottom surface of the fixed rod 21 is provided with the T-shaped groove 23, the inner part of the adjusting frame 22 is fixedly connected with the T-shaped block 27, the T-shaped block 27 is slidably connected with the T-shaped groove 23, the through hole in the top surface of the adjusting frame 22 is slidably connected with the adjusting rod 24, the top end of the adjusting rod 24 is provided with the handle 25, the outer side surface of the adjusting rod 24 is uniformly provided with the limiting block 26, the bottom end of the adjusting rod 24 is connected with the middle part of the top surface of the connecting seat 28, the inner part of the connecting seat 28 is rotatably connected with the connecting head 29, the front side end of the connecting head 29 is fixedly connected with the middle part of the rear side surface of the fish nest placing frame 210, the fixed rod 21 is inserted into the inner part of the fixed groove 5, the handle 25 is held to drive the adjusting rod 24 to slide up and down, and the limiting block 26 is clamped on the bottom surface of the adjusting frame 22 by rotating the adjusting rod 24, so that the height of the fish nest placing frame 210 can be adjusted, the connecting head 29 rotatably arranged in the inner part of the connecting seat 28 can be adjusted according to the direction of water flow to adjust the direction of the fish nest, further comprising a floating plate 8, a mounting frame 9 and a clamping block 10, the mounting frame 9 is mounted in cooperation with the bottom end of the outer side of the floating frame 1, the bottom end of the mounting frame 9 is connected with the middle part of the top surface of the floating plate 8, the clamping block 10 is fixedly arranged in the middle part of the outer side surface of the floating frame 1, the clamping block 10 is clamped in the clamping hole in the middle part of the mounting frame 9 in a matched mode, the mounting frame 9 is mounted on the outer side of the floating frame 1, the clamping block 10 is clamped into the clamping hole in the surface of the mounting frame 9 to fix the floating plate 8, the floating plate 8 can provide a large floating force for the artificial fish nest, so that the artificial fish nest is prevented from being turned on one side due to the influence of water flow, further comprising a fastening bolt 11 and a pressing plate 12, the fastening bolt 11 has two and is threadedly connected with the shaft holes in the top surface of the fish nest placing frame 210 respectively, the pressing plate 12 is slidably connected in the inner part of the fish nest placing frame 210, the top surface of the pressing plate 12 is attached to the bottom surface of the fastening bolt 11, the pressing plate 12 is fixed in the inner part of the fish nest placing frame 210 by rotating the fastening bolt 11, and meanwhile, it is convenient to mount different types of fish nests, further comprising a fixed hole 13 and an elastic protrusion 14, the fixed hole 13 is arranged in the front side surface of the adjusting frame 22, the elastic protrusions 14 are uniformly arranged in the front side surface of the fixed rod 21, the elastic protrusions 14 are clamped in the fixed hole 13 in a matched mode, the elastic protrusions 14 are clamped into the inner part of the fixed hole 13 to fix the position of the adjusting frame 22, further comprising a sliding rod 15, the sliding rod 15 has two and is fixedly arranged on the two sides of the top surface of the connecting seat 28 respectively, the sliding rod 15 is slidably connected with the sliding groove in the side surface of the adjusting frame 22, the sliding rod 15 slides in the sliding groove to increase the stability when the adjusting rod 24 is lifted up and down, further comprising a limiting clamping rod 16, the limiting clamping rod 16 has two and is mounted on the front and rear side surfaces of the connecting seat 28 respectively, the bottom surface of the limiting clamping rod 16 is attached to the top surface of the connecting head 29, the limiting clamping rod 16 arranged can limit the position of the connecting head 29, so that the connecting head 29 is prevented from being rotated at too large an angle to cause the fish nest to be inclined upwardly;

[0035] The application relates to a method for using a combined artificial fish nest, which comprises the following steps:

[0036] S1: first, the fixing rod 21 is arranged in the fixing groove 5, the reset spring 42 is retracted by releasing the handle 43, the pressing plate 41 is used for fixing the fixing rod 21 in the fixing groove 5, the mounting frame 9 is mounted to the outer side of the floating frame 1, the clamping block 10 is clamped into the clamping hole in the middle of the mounting frame 9 to fix the floating plate 8, then the floating frame 1 is placed on the water surface by pulling the handle 6;

[0037] S2: the sliding block 32 is slid in the extension rod 31, the plug rod 37 is used for fixing the sliding block 32 by penetrating the insertion hole 36, and the screw 34 is screwed with the screw hole in the middle of the fixed plate 35 to determine the distance between the multiple floating frames 1;

[0038] S3: the pressing plate 12 is used for fixing the artificial fish nest by rotating the fastening screw 11 to press the artificial fish nest in the fish nest placing frame 210, the position of the fish nest placing frame 210 is adjusted by sliding the adjusting frame 22, and the elastic lugs 14 are clamped with the fixing holes 13 to prevent the fish nest placing frame 210 from being misoperated;

[0039] S4: the height of the artificial fish nest in the water is adjusted by sliding the adjusting rod 24 up and down while holding the handle 25, the height of the fish nest placing frame 210 is fixed by rotating the adjusting rod 24 to make the limiting block 26 clamped on the surface of the adjusting frame 22, so that the fish eggs can be attached to the surface of the artificial fish nest.

[0040] The working principle of the combined artificial fish nest and the using method thereof is as follows: first, the fixed rod 21 is placed in the fixed groove 5, the person releases the handle 43 to make the return spring 42 contract, so that the pressing plate 41 fixes the fixed rod 21 in the fixed groove 5, so as to facilitate subsequent disassembly and assembly, the mounting frame 9 is installed to the outside of the floating frame 1, the clamping block 10 is clamped into the clamping hole in the middle of the mounting frame 9 to fix the floating plate 8, then the handle 6 is pulled to put the floating frame 1 on the water surface, the sliding block 32 is used to slide in the extension rod 31, the plug rod 37 is used to pass through the plug hole 36 to fix the sliding block 32, and the screw 34 is screwed with the screw hole in the middle of the fixed plate 35 to determine the distance between the plurality of floating frames 1, the fastening screw 11 is rotated to make the pressing plate 12 tightly fix the artificial fish nest in the fish nest placing rack 210, and the fish nest of different types can be conveniently installed and fixed, the adjusting rack 22 is slid to adjust the position of the fish nest placing rack 210, the elastic lug 14 is clamped with the fixed hole 13 to prevent the fish nest placing rack 210 from being misoperated, then the height of the artificial fish nest in the water is adjusted by holding the handle 25 and sliding the adjusting rod 24 up and down, the limiting block 26 is clamped on the bottom surface of the adjusting rack 22 to fix the height of the fish nest placing rack 210, the limiting clamping rod 16 is arranged to limit the position of the connecting head 29, so as to prevent the connecting head 29 from rotating too large to cause the fish nest to be inclined upward, so that the fish eggs are conveniently attached to the surface of the artificial fish nest.

[0041] The above is only the embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which is made by using the content of the specification and the drawings, is also included in the patent protection range of the present application.

Claims

1. A modular artificial fish nest, characterized in that: Includes a floating frame (1) and an adjustment unit (2); Floating frame (1): A fixing groove (5) is provided on the inner side. The top surface of the floating frame (1) is connected to the bottom end of the handle (6). An anti-slip sleeve (7) is sleeved on the outer side of the handle (6). An assembly unit (3) is provided on one side of the top surface of the floating frame (1). A fixing unit (4) is provided on the top surface of the floating frame (1). Adjustment unit (2): includes a fixed rod (21), an adjustment frame (22), a T-slot (23), an adjustment rod (24), a handle (25), a limiting block (26), a T-block (27), a connecting seat (28), a connecting head (29), and a fish nest placement rack (210). The end of the fixed rod (21) is inserted into the inside of the fixed slot (5). The adjustment frame (22) is slidably connected to the outside of the fixed rod (21). The bottom surface of the fixed rod (21) is provided with a T-slot (23). The T-block (27) is fixed inside the adjustment frame (22). The T-block (27) is slidably connected to the T-slot (23). The adjustment rod (24) is slidably connected in the through hole on the top surface of the adjustment frame (22). The top of the adjustment rod (24) is provided with a handle (25). The outer side of the adjustment rod (24) The limit blocks (26) are evenly distributed. The bottom end of the adjusting rod (24) is connected to the middle of the top surface of the connecting seat (28). The connecting seat (28) is rotatably connected to the connecting head (29). The front end of the connecting head (29) is fixedly connected to the middle of the rear side of the fish nest placement rack (210). The assembly unit (3) includes an extension rod (31), a slider (32), a rotating shaft (33), a bolt (34), and a fixing plate (35). The left and right sides inside the extension rod (31) are slidably connected to the slider (32). The outer side of the slider (32) is rotatably connected to the rotating shaft (33). The outer side of the rotating shaft (33) is fixed with the bolt (34). The fixing plate (35) is installed on one side of the top surface of the float (1). The screw hole on the surface of the fixing plate (35) is threadedly connected to the bolt (34). The assembly unit (3) also includes a socket (36) and a rod (37). The socket (36) is evenly opened on the top surface of the extension rod (31), and the interior of the socket (36) is inserted into the rod (37). The fixing unit (4) includes a pressure plate (41), a return spring (42), a handle (43), and a placement groove (44). The placement groove (44) is opened on the top surface of the float (1). The return spring (42) is fixed inside the placement groove (44). The top of the return spring (42) is connected to one side of the bottom surface of the pressure plate (41). The handle (43) is installed in the middle of the top surface of the pressure plate (41). The assembly unit (3) also includes a float (8), a mounting bracket (9), and a locking block (10). The mounting bracket (9) is installed in conjunction with the bottom end of the outer side of the float (1). The bottom end of the mounting bracket (9) is installed in conjunction with the bottom end of the outer side of the float (1). The card block (10) is fixed to the middle of the outer side of the float (1) and connected to the middle of the top surface of the float plate (8). The card block (10) is engaged with the corresponding card hole in the middle of the mounting frame (9). It also includes fastening bolts (11) and pressure plates (12). There are two fastening bolts (11) and they are threaded to the shaft holes on the top surface of the fish nest placement frame (210). The pressure plates (12) are slidably connected to the inside of the fish nest placement frame (210). The top surface of the pressure plates (12) is in contact with the bottom surface of the fastening bolts (11). It also includes fixing holes (13) and elastic protrusions (14). The fixing holes (13) are opened on the front side of the adjustment frame (22). The elastic protrusions (14) are evenly distributed on the front side of the fixing rod (21). The elastic protrusions (14) are engaged with the fixing holes (13).

2. The combined artificial fish nest according to claim 1, characterized in that: It also includes two slide rods (15), which are fixed on both sides of the top surface of the connecting seat (28) respectively. The slide rods (15) are slidably connected to the slide groove on the side of the adjusting frame (22).

3. The combined artificial fish nest according to claim 1, characterized in that: It also includes a limiting rod (16), there are two limiting rods (16) and they are respectively installed on the front and rear sides of the connecting seat (28), and the bottom surface of the limiting rod (16) is in contact with the top surface of the connecting head (29).

4. The method of using a combined artificial fish nest according to claim 1, characterized in that: Includes the following steps: S1: First, place the fixing rod (21) inside the fixing groove (5). The person releases the handle (43) to retract the return spring (42). In this way, the pressure plate (41) fixes the fixing rod (21) inside the fixing groove (5) to facilitate subsequent disassembly and assembly. Install the mounting bracket (9) on the outside of the float (1). The locking block (10) is inserted into the locking hole in the middle of the mounting bracket (9) to fix the float plate (8). Then, pull the handle (6) to put the float (1) on the water surface. S2: Use the slider (32) to slide inside the extension rod (31), use the plug rod (37) to pass through the plug hole (36) to fix the slider (32), and make the bolt (34) threadedly connected to the screw hole in the middle of the fixing plate (35) to determine the distance between the multiple floats (1); S3: Rotate the fastening bolt (11) to press the pressure plate (12) to press and fix the artificial fish nest inside the fish nest placement frame (210), slide the adjustment frame (22) to adjust the position of the fish nest placement frame (210), and the elastic protrusion (14) engages with the fixing hole (13) to prevent the fish nest placement frame (210) from moving accidentally. S4: Hold the handle (25) and slide the adjustment rod (24) up and down to adjust the height of the artificial fish nest in the water. Rotate the adjustment rod (24) to make the limiting block (26) lock on the surface of the adjustment frame (22) to fix the height of the fish nest placement frame (210), so that the fish eggs can attach to the surface of the artificial fish nest.

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