A light shield for livestock and poultry breeding

Abstract

The utility model discloses a light shield for livestock and poultry breeding, including light shield, the one side of light shield is equipped with the mounting frame, the one side of mounting frame is installed with adjusting device, install fixed device on light shield, and fixed device includes fixed sleeve, fixed rod, unlocking sleeve, unlocking slot, fixed slot and fixed stand, and unlocking slot is set up in the inboard of unlocking sleeve, and fixed slot is set up in the outside of fixed rod, and the one end of fixed stand is inserted into fixed slot, and the outside of fixed sleeve is provided with reinforcing mechanism, and reinforcing mechanism includes unlocking plate, connecting block, return spring, return block, linkage sleeve, linkage block, linkage spring, unlocking rod, unlocking hole, linkage wheel and cooperation block, and return spring is connected with connecting block and return block, and linkage spring is connected with linkage block, and unlocking rod is installed in one side of linkage sleeve, and unlocking hole is set up on unlocking plate, and linkage wheel is installed in one side of linkage block, and cooperation block is installed in the outside of fixed sleeve, and the utility model solves the problem of traditional device in installation and removal, fixed stability and angle adjustment adaptability.

Description

Technical Field

[0001] This utility model relates to the technical field of light-shielding covers for livestock and poultry farming, and more specifically, it relates to a light-shielding cover for livestock and poultry farming. Background Technology

[0002] In the livestock and poultry farming sector, light-blocking covers are key devices for regulating light. They are made of a variety of materials, including aluminum alloy plates, color steel plates, composite panels, and tempered glass. Their ease of installation and structural stability directly affect the control effect and service life of the farming environment. However, light-blocking covers currently on the market still have many technical defects in practical applications. These problems not only affect the effectiveness of use but may also lead to equipment damage and loss of control over the farming environment.

[0003] The primary problem is the cumbersome installation and disassembly process. Existing sunshade designs have significant flaws, requiring various specialized tools for assembly and disassembly. The operation is complex and time-consuming. This cumbersome installation method not only increases maintenance costs but may also damage the equipment due to improper operation. This design deficiency not only reduces maintenance efficiency but may also affect the performance due to improper installation, increasing usage risks and time costs.

[0004] More prominently, the stability of the installation is poor. Although some devices have achieved quick assembly and disassembly, there are obvious problems: First, the sunshades are installed on the outside of windows or skylights on the roof of buildings, making them susceptible to strong winds. Moreover, most of the fixing structures are simply designed and have poor impact resistance. Vibration and impact affect the reliability of the fixing. Loosening of the structure not only affects the sunshade effect, but may also cause the equipment to fall off due to fixing failure. This design deficiency not only reduces the safety of use, but may also cause safety accidents due to structural instability, thus affecting the practical value of the equipment.

[0005] Most critically, the light-blocking covers have poor adaptability. Existing light-blocking covers are generally fixed in installation, which has serious problems. The installation angle is fixed and cannot be adjusted according to actual needs. They cannot adapt to different weather conditions, and the light-blocking effect is limited, making it difficult to meet the needs of aquaculture. The fixed design not only limits the application scenarios, but may also affect the aquaculture effect due to improper light adjustment. This design deficiency not only affects environmental control, but may also lead to uneven lighting due to improper angle, increasing the difficulty of aquaculture. Utility Model Content

[0006] (a) Technical problems to be solved

[0007] In view of the problems existing in the prior art, this utility model provides a light-shielding cover for livestock and poultry farming to solve the technical problems mentioned in the background art.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, this utility model provides the following technical solution: a light-shielding cover for livestock and poultry farming, comprising a light-shielding cover, a detachable mounting frame on one side of the light-shielding cover, an adjustment device mounted on one side of the mounting frame, a fixing device mounted on the light-shielding cover, the fixing device comprising a fixing sleeve, a fixing rod, an unlocking sleeve, an unlocking groove, a fixing groove, and a fixing frame, the fixing sleeve being detachably fitted onto the outside of the fixing rod, the unlocking sleeve being rotatably mounted on the outside of the fixing sleeve, the unlocking groove being a variable diameter structure opened on the inside of the unlocking sleeve, the fixing groove being annularly opened on the outside of the fixing rod, one end of the fixing frame being inserted into the fixing groove, and the other end of the fixing frame contacting the inner wall of the unlocking groove, the fixing... A reinforcing mechanism is provided on the outer side of the sleeve. The reinforcing mechanism includes an unlocking plate, a connecting block, a return spring, a return block, a linkage sleeve, a linkage block, a linkage spring, an unlocking rod, an unlocking hole, a linkage wheel, and mating blocks. The unlocking plate is rotatably mounted on the outer side of the fixed sleeve. The connecting block is fixedly connected to the outer side of the fixed sleeve. The two ends of the return spring are connected to the connecting block and the return block, respectively. The linkage sleeve is slidably mounted on the outer side of the fixed sleeve. The linkage block is located on one side of the unlocking sleeve. The two ends of the linkage spring are connected to the linkage block. The unlocking rod is fixedly mounted on one side of the linkage sleeve. The unlocking hole is opened on the unlocking plate. The linkage wheel is rotatably mounted on one side of the linkage block. Multiple mating blocks are fixedly mounted on the outer side of the fixed sleeve.

[0010] The present invention is further configured such that the adjustment device includes a connecting frame, a rotating shaft, and a connecting seat, wherein the connecting seat is detachably installed on one side of the connecting frame and the other side of the mounting frame, and the mounting frame is rotatably connected to the connecting frame via the rotating shaft.

[0011] The present invention is further configured such that a cylinder is provided on one side of the connecting frame, one end of the cylinder is rotatably connected to a connecting seat provided on one side of the connecting frame, a piston rod is connected to the output end of the cylinder, and the other end of the piston rod is rotatably connected to a connecting seat provided on one side of the mounting frame.

[0012] The present invention is further configured such that a plurality of limiting blocks are fixedly provided on one side of the unlocking sleeve, and a limiting groove is provided on one side of the linkage block. The limiting groove is adapted to the limiting block, and the cooperation between the limiting block and the limiting groove realizes the guidance and limiting of the linkage block.

[0013] The present invention is further configured such that one end of the unlocking rod is in contact with the unlocking plate, and a spring is movably sleeved on the outside of the unlocking rod, the spring ensuring the stable reset of the linkage sleeve.

[0014] The present invention is further configured such that one end of the spring is connected to the linkage sleeve, and the other end of the spring is connected to the unlocking plate in a contact manner, so that the cooperation between the components is more coordinated.

[0015] The present invention is further configured such that the inner diameter of the unlocking hole is slightly larger than the outer diameter of the unlocking rod, ensuring that the unlocking rod can be stably inserted into the unlocking hole.

[0016] The present invention is further provided with a return spring on one side of the fixing frame, and the two ends of the return spring are respectively connected to the outer wall of the fixing sleeve and the inner wall of the fixing frame. The setting of the return spring ensures the precise controllability of the fixing frame.

[0017] (III) Beneficial Effects

[0018] Compared with the prior art, this utility model provides a light-shielding cover for livestock and poultry farming, which has the following features:

[0019] Beneficial effects:

[0020] 1. The fixing device, through the precise cooperation of the fixing sleeve, fixing rod, unlocking sleeve, unlocking groove, fixing groove, and fixing bracket, constructs a convenient installation system. The sleeve design of the fixing sleeve and fixing rod provides quick installation, the variable diameter structure of the unlocking sleeve and unlocking groove realizes locking control, and the cooperation of the fixing bracket and fixing groove ensures locking and connection. This structure not only realizes quick disassembly and assembly through the sleeve, but also provides flexible control through the variable diameter locking, and ensures reliable reset through the return spring. It effectively solves the problem of cumbersome installation and disassembly of traditional devices, improves maintenance efficiency, and realizes convenient installation without tools.

[0021] 2. The reinforcement mechanism, through the coordinated work of the unlocking plate, connecting block, return spring, return block, linkage sleeve, linkage block, linkage spring, unlocking rod, unlocking hole, linkage wheel, and mating block, forms a reliable locking system. The rotational design of the unlocking plate and unlocking hole provides locking control, the cooperation between the limiting block and the limiting groove achieves position guidance, and the setting of the linkage wheel and mating block ensures precise positioning. This structure not only achieves stable fixation through multiple locking mechanisms but also provides automatic protection through elastic reset and ensures precise movement through guiding cooperation. It effectively solves the problem of poor fixation stability of traditional devices, prevents structural loosening, and ensures safe use.

[0022] 3. The adjustment device, through the precise cooperation of the connecting frame, rotating shaft, and connecting seat, constructs a flexible angle adjustment system. The setting of the rotating shaft realizes the rotational connection, and the cooperation of the cylinder and piston rod ensures the angle adjustment. This structure not only realizes the angle adjustment through the rotational connection, but also provides precise control through the cylinder drive, and ensures the structural stability through the fixing of the connecting seat. It effectively solves the problem of poor adjustment adaptability of traditional devices, improves the flexibility of use, and realizes precise dimming. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of a light-shielding cover for livestock and poultry farming according to the present invention;

[0024] Figure 2 This is a schematic diagram of the overall structure from a second perspective in this utility model;

[0025] Figure 3 This is a structural schematic diagram of the fixing device and the reinforcing mechanism in this utility model;

[0026] Figure 4 This is a cross-sectional structural diagram of the fixing device and the reinforcing mechanism in this utility model;

[0027] Figure 5 This is a cross-sectional view of the fixing sleeve and unlocking sleeve in this utility model.

[0028] In the diagram: 1. Sunshade; 2. Mounting frame; 3. Fixing sleeve; 4. Fixing rod; 5. Unlocking sleeve; 6. Unlocking slot; 7. Fixing slot; 8. Fixing bracket; 9. Unlocking plate; 10. Connecting block; 11. Return spring; 12. Return block; 13. Linkage sleeve; 14. Linkage block; 15. Linkage spring; 16. Unlocking rod; 17. Unlocking hole; 18. Linkage wheel; 19. Mating block; 20. Connecting bracket; 21. Rotating shaft; 22. Connecting seat; 23. Cylinder; 24. Piston rod; 25. Limiting block; 26. Limiting slot; 27. Spring sleeve; 28. Return spring. Detailed Implementation

[0029] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0030] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0031] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0032] Please see Figures 1-5A light-shielding cover for livestock and poultry farming includes a light-shielding cover 1. A mounting frame 2 is detachably mounted on one side of the light-shielding cover 1, and an adjustment device is mounted on one side of the mounting frame 2. A fixing device is mounted on the light-shielding cover 1, comprising a fixing sleeve 3, a fixing rod 4, an unlocking sleeve 5, an unlocking groove 6, a fixing groove 7, and a fixing frame 8. The fixing sleeve 3 is detachably fitted onto the outside of the fixing rod 4. The unlocking sleeve 5 is rotatably mounted on the outside of the fixing sleeve 3. The unlocking groove 6 has a variable diameter structure and is located inside the unlocking sleeve 5. The fixing groove 7 is annularly located on the outside of the fixing rod 4. One end of the fixing frame 8 is inserted into the fixing groove 7, and the other end of the fixing frame 8 contacts the inner wall of the unlocking groove 6. A reinforcing mechanism is provided on the outside of the fixing sleeve 3, comprising an unlocking plate 9 and a connecting block 10. The system includes a return spring 11, a return block 12, a linkage sleeve 13, a linkage block 14, a linkage spring 15, an unlocking rod 16, an unlocking hole 17, a linkage wheel 18, and mating blocks 19. The unlocking plate 9 is rotatably mounted on the outside of the fixed sleeve 3. The connecting block 10 is fixedly connected to the outside of the fixed sleeve 3. The two ends of the return spring 11 are connected to the connecting block 10 and the return block 12, respectively. The linkage sleeve 13 is slidably mounted on the outside of the fixed sleeve 3. The linkage block 14 is located on one side of the unlocking sleeve 5. The two ends of the linkage spring 15 are connected to the linkage block 14. The unlocking rod 16 is fixedly mounted on one side of the linkage sleeve 13. The unlocking hole 17 is opened on the unlocking plate 9. The linkage wheel 18 is rotatably mounted on one side of the linkage block 14. Multiple mating blocks 19 are fixedly mounted on the outside of the fixed sleeve 3.

[0033] The adjustment device includes a connecting frame 20, a rotating shaft 21, and a connecting seat 22. The connecting seat 22 is detachably installed on one side of the connecting frame 20 and the other side of the mounting frame 2. The mounting frame 2 is rotatably connected to the connecting frame 20 via the rotating shaft 21.

[0034] A cylinder 23 is provided on one side of the connecting frame 20. One end of the cylinder 23 is rotatably connected to the connecting seat 22 provided on one side of the connecting frame 20. A piston rod 24 is connected to the output end of the cylinder 23. The other end of the piston rod 24 is rotatably connected to the connecting seat 22 provided on one side of the mounting frame 2.

[0035] In this embodiment, when it is necessary to adjust the angle of the light shield 1 according to the actual situation, the cylinder 23 installed on one side of the connecting seat 22 is opened, and the piston rod 24 connected to the output end of the cylinder 23 is extended. Since one end of the piston rod 24 is rotatably connected to the connecting seat 22 on one side of the mounting frame 2, and one end of the cylinder 23 is rotatably connected to the connecting seat 22 on one side of the connecting frame 20, the piston rod 24 pushes the mounting frame 2 to rotate through the corresponding connecting seat 22, so that the mounting frame 2 drives the light shield 1 to rotate around the rotating shaft 21, thereby changing the angle of the light shield 1. When the angle of the light shield 1 is adjusted appropriately, the cylinder 23 is closed.

[0036] Please see Figures 3-5As a further implementation of the overall device: a plurality of limiting blocks 25 are fixedly provided on one side of the unlocking sleeve 5, and a limiting groove 26 is provided on one side of the linkage block 14, the limiting groove 26 being adapted to the limiting block 25.

[0037] One end of the unlocking rod 16 is in contact with the unlocking plate 9, and a spring 27 is movably sleeved on the outside of the unlocking rod 16.

[0038] One end of the spring 27 is connected to the linkage sleeve 13, and the other end of the spring 27 is in contact with the unlocking plate 9.

[0039] The inner diameter of the unlocking hole 17 is slightly larger than the outer diameter of the unlocking rod 16.

[0040] A return spring 28 is provided on one side of the fixed frame 8, and the two ends of the return spring 28 are connected to the outer wall of the fixed sleeve 3 and the inner wall of the fixed frame 8, respectively.

[0041] More specifically, when the sunshade 1 needs to be removed and replaced, firstly, the unlocking plate 9 is rotated forward, causing the unlocking plate 9 to drive the return block 12 to rotate forward. Then, the return block 12 and the connecting block 10 cooperate to compress the return spring 11. At the same time, the unlocking plate 9 drives the unlocking hole 17 to rotate forward. When the return spring 11 is compressed to its limit, the unlocking hole 17 rotates to a position concentric with the unlocking rod 16. Then, the linkage sleeve 13 is pushed, causing the linkage sleeve 13 to drive the unlocking rod 16 to slide into the unlocking hole 17. The linkage sleeve 13 and the unlocking plate 9 cooperate to compress the sleeve spring 27. Then, the inner wall of the linkage sleeve 13 no longer limits the outer wall of the linkage wheel 18. Then, the unlocking sleeve 5 is rotated forward, causing the unlocking sleeve 5 to drive the linkage block 14 forward through the limiting block 25 and the limiting groove 26. Rotate, and then the linkage block 14 drives the linkage wheel 18 installed on one side to roll out from between the two mating blocks 19. The linkage wheel 18 drives the linkage block 14 to slide outward along the limiting groove 26 and the limiting block 25. Then the linkage block 14 drives the linkage spring 15 to stretch outward. At the same time, the unlocking sleeve 5 drives the unlocking groove 6 opened on the inner side to rotate in the forward direction. Then the return spring 28 pushes the fixing frame 8 to move outward, so that the outer wall of the fixing frame 8 is always in contact with the inner wall of the unlocking groove 6, and the other end of the fixing frame 8 will gradually slide out of the fixing groove 7. Then the fixing sleeve 3 and the fixing rod 4 are pulled to both sides respectively to remove the fixing sleeve 3 and the fixing rod 4. Then, follow the above steps to remove the other fixing sleeves 3 and fixing rods 4 one by one. Then the light shield 1 is removed from the... Remove it from the mounting frame 2. When replacing and installing the sunshade 1, first place the sunshade 1 inside the mounting frame 2. Then, pass the fixing rod 4 through the pre-drilled mounting holes on the mounting frame 2 and the sunshade 1 from one side. Then, fit the fixing sleeve 3 onto the outside of the fixing rod 4 from the other side. Then, rotate the unlocking sleeve 5 in the reverse direction. The unlocking sleeve 5 drives the linkage block 14 to rotate in the reverse direction synchronously through the limiting block 25 and the limiting groove 26. This causes the linkage block 14 to drive the linkage wheel 18 to rotate in the reverse direction. At the same time, the unlocking sleeve 5 drives the unlocking groove 6 to rotate in the reverse direction and reset. Then, the inner wall of the unlocking groove 6 presses against the outer wall of the fixing frame 8, causing the fixing frame 8 to press against the reset spring 28 set on the inner side again. This causes the other end of the fixing frame 8 to re-enter the fixing groove 7, so that the fixing sleeve 3 and the fixing... The fixed rod 4 forms a locking relationship, then stops rotating the unlocking sleeve 5. At this time, the linkage block 14 is moved by the limiting block 25 and the limiting groove 26 to the original two mating blocks 19, so that the linkage wheel 18 is in the original two mating blocks 19. Then the linkage spring 15 resets and pulls the linkage block 14 to slide inward along the limiting block 25 and the limiting groove 26, and drives the linkage wheel 18 to re-lock between the original two mating blocks 19. Then the linkage sleeve 13 is released, and the sleeve spring 27 pushes the linkage sleeve 13 to slide back to its original position, and causes the linkage sleeve 13 to drive the unlocking rod 16 to slide back to its original position. When the sleeve spring 27 is fully reset, the unlocking rod 16 no longer limits the unlocking plate 9 through the unlocking hole 17. Then the return spring 11 pushes the return block 12 to rotate and reset.Then, the return block 12, through the return plate, drives the return hole to rotate and reset to a position not corresponding to the unlocking rod 16. The unlocking rod 16 then provides relatively stable support to the linkage sleeve 13, preventing it from sliding. The linkage sleeve 13 then limits the outer side of the linkage wheel 18, preventing the linkage wheel 18 and the linkage block 14 from sliding outwards. This prevents the unlocking sleeve 5 from rotating, ensuring stable installation of the light shield 1.

[0042] In summary, when the overall equipment is in use or operation: when it is necessary to adjust the angle of the light shield 1 according to the actual situation, open the cylinder 23 installed on one side of the connecting seat 22. The cylinder 23 drives the piston rod 24 connected to the output end to extend. Since one end of the piston rod 24 is rotatably connected to the connecting seat 22 on one side of the mounting frame 2, and one end of the cylinder 23 is rotatably connected to the connecting seat 22 on one side of the connecting frame 20, the piston rod 24 pushes the mounting frame 2 to rotate through the corresponding connecting seat 22, so that the mounting frame 2 drives the light shield 1 to rotate around the rotating shaft 21, thereby changing the angle of the light shield 1. After the angle of the light shield 1 is adjusted appropriately, close the cylinder 23.

[0043] When the sunshade 1 needs to be removed and replaced, first rotate the unlocking plate 9 clockwise, causing the unlocking plate 9 to drive the return block 12 to rotate clockwise. Then, the return block 12 and the connecting block 10 cooperate to compress the return spring 11. At the same time, the unlocking plate 9 drives the unlocking hole 17 to rotate clockwise. When the return spring 11 is compressed to its limit, the unlocking hole 17 rotates to a position concentric with the unlocking rod 16. Then, push the linkage sleeve 13, causing the linkage sleeve 13 to drive the unlocking rod 16 to slide into the unlocking hole 17. The linkage sleeve 13 and the unlocking plate 9 cooperate to compress the sleeve spring 27. Then, the inner wall of the linkage sleeve 13 no longer limits the outer wall of the linkage wheel 18. Then, rotate the unlocking sleeve 5 clockwise, causing the unlocking sleeve 5 to drive the linkage block 14 to rotate clockwise through the limiting block 25 and the limiting groove 26. Then, the linkage block 14 drives the linkage wheel 18 installed on one side to roll out between the two mating blocks 19, and the linkage wheel 18 drives the linkage block 14 to slide outward along the limiting groove 26 and the limiting block 25. Then, the linkage block 14 drives the linkage spring 15 to stretch outward. At the same time, the unlocking sleeve 5 drives the unlocking groove 6 opened on the inner side to rotate in the forward direction. Then, the return spring 28 pushes the fixing frame 8 to move outward, so that the outer wall of the fixing frame 8 is always in contact with the inner wall of the unlocking groove 6, and the other end of the fixing frame 8 will gradually slide out of the fixing groove 7. Then, the fixing sleeve 3 and the fixing rod 4 are pulled to both sides respectively to remove the fixing sleeve 3 and the fixing rod 4. Then, follow the above steps to remove the other fixing sleeves 3 and fixing rods 4 one by one, and then remove the light shield 1 from the installation. Remove from frame 2. When replacing and installing the light shield 1, first place the light shield 1 inside the mounting frame 2. Then, pass the fixing rod 4 through the pre-drilled mounting holes on the mounting frame 2 and the light shield 1 from one side. Then, fit the fixing sleeve 3 onto the outside of the fixing rod 4 from the other side. Then, rotate the unlocking sleeve 5 in the reverse direction. The unlocking sleeve 5 drives the linkage block 14 to rotate in the reverse direction synchronously through the limiting block 25 and the limiting groove 26. This causes the linkage block 14 to drive the linkage wheel 18 to rotate in the reverse direction. At the same time, the unlocking sleeve 5 drives the unlocking groove 6 to rotate in the reverse direction and reset. Then, the inner wall of the unlocking groove 6 presses against the outer wall of the fixing frame 8, causing the fixing frame 8 to press against the reset spring 28 set on the inner side again. This causes the other end of the fixing frame 8 to re-enter the fixing groove 7, so that the fixing sleeve 3 and the fixing... Rod 4 forms a locking relationship, then stops rotating the unlocking sleeve 5. At this time, the linkage block 14 is moved by the limiting block 25 and the limiting groove 26 to the original two mating blocks 19, so that the linkage wheel 18 is in the original two mating blocks 19. Then the linkage spring 15 resets and pulls the linkage block 14 to slide inward along the limiting block 25 and the limiting groove 26, and drives the linkage wheel 18 to re-lock between the original two mating blocks 19. Then the linkage sleeve 13 is released, and the sleeve spring 27 pushes the linkage sleeve 13 to slide back to its original position, and causes the linkage sleeve 13 to drive the unlocking rod 16 to slide back to its original position. When the sleeve spring 27 is fully reset, the unlocking rod 16 no longer limits the unlocking plate 9 through the unlocking hole 17. Then the return spring 11 pushes the return block 12 to rotate and reset.Then, the return block 12, through the return plate, drives the return hole to rotate and reset to a position not corresponding to the unlocking rod 16. The unlocking rod 16 then provides relatively stable support to the linkage sleeve 13, preventing it from sliding. The linkage sleeve 13 then limits the outer side of the linkage wheel 18, preventing the linkage wheel 18 and the linkage block 14 from sliding outwards. This prevents the unlocking sleeve 5 from rotating, ensuring stable installation of the light shield 1.

[0044] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A light shield for livestock and poultry breeding, comprising a light shield (1), one side of the light shield (1) is provided with a mounting frame (2), characterized in that: An adjustment device is installed on one side of the mounting frame (2), and a fixing device is installed on the light shield (1). The fixing device includes a fixing sleeve (3), a fixing rod (4), an unlocking sleeve (5), an unlocking groove (6), a fixing groove (7), and a fixing bracket (8). The unlocking sleeve (5) is installed on the outside of the fixing sleeve (3). The unlocking groove (6) is a variable diameter structure and is opened on the inside of the unlocking sleeve (5). The fixing groove (7) is a ring-shaped structure and is opened on the outside of the fixing rod (4). One end of the fixing bracket (8) is inserted into the fixing groove (7). A reinforcement mechanism is provided on the outside of the fixing sleeve (3). The reinforcement mechanism includes an unlocking plate (9), a connecting block (10), and a return spring (11). The components include a return block (12), a linkage sleeve (13), a linkage block (14), a linkage spring (15), an unlocking rod (16), an unlocking hole (17), a linkage wheel (18), and a mating block (19). The return spring (11) is connected to the connecting block (10) and the return block (12). The linkage sleeve (13) is slidably sleeved on the outside of the fixed sleeve (3). The linkage spring (15) is connected to the linkage block (14). The unlocking rod (16) is installed on one side of the linkage sleeve (13). The unlocking hole (17) is opened on the unlocking plate (9). The linkage wheel (18) is installed on one side of the linkage block (14). Multiple mating blocks (19) are installed on the outside of the fixed sleeve (3).

2. The light shield according to claim 1, wherein: The adjustment device includes a connecting frame (20), a rotating shaft (21), and a connecting seat (22). The connecting seat (22) is detachably installed on one side of the connecting frame (20) and the other side of the mounting frame (2). The mounting frame (2) is rotatably connected to the connecting frame (20) via the rotating shaft (21).

3. The light shield according to claim 2, wherein: A cylinder (23) is provided on one side of the connecting frame (20). One end of the cylinder (23) is rotatably connected to a connecting seat (22) provided on one side of the connecting frame (20). A piston rod (24) is connected to the output end of the cylinder (23). The other end of the piston rod (24) is rotatably connected to a connecting seat (22) provided on one side of the mounting frame (2).

4. The light shield according to any one of claims 1 to 3, wherein: the light shield is characterized by: The unlocking sleeve (5) has multiple limiting blocks (25) fixedly provided on one side, and the linkage block (14) has a limiting groove (26) on one side, which is adapted to the limiting block (25).

5. The light shield according to claim 4, wherein: One end of the unlocking rod (16) is in contact with the unlocking plate (9), and a spring (27) is movably sleeved on the outside of the unlocking rod (16).

6. The light shield according to claim 5, wherein: One end of the spring (27) is connected to the linkage sleeve (13), and the other end of the spring (27) is in contact with the unlocking plate (9).

7. The light shield according to claim 6, wherein: The inner diameter of the unlocking hole (17) is slightly larger than the outer diameter of the unlocking rod (16).

8. A light-shielding cover for livestock and poultry farming according to claim 1, characterized in that: The fixing frame (8) is provided with a return spring (28) on one side, and the two ends of the return spring (28) are respectively connected to the outer wall of the fixing sleeve (3) and the inner wall of the fixing frame (8).

Images