An adaptive variable aperture grid structure

Abstract

This utility model provides an adaptive variable aperture grid structure, relating to the field of wastewater treatment technology. Specifically, it includes a housing with a base inside. The base has grid slots and two sets of adjustment structures. An auxiliary slot cooperating with the two sets of adjustment structures is also provided on the base. Each adjustment structure includes a fixed rod and several adjusting rods. The fixed rod is inserted into and fixedly connected to the base. This application uses a first servo motor to drive a first threaded rod to rotate, causing an adjusting plate to slide. The adjusting plate then moves a second fixed seat, causing the adjusting rods to rotate around the first fixed seat as a fulcrum. The adjusting rods slide within the auxiliary slots and grid slots, changing the gap between adjacent adjusting rods and the fixed rods, thus achieving a change in aperture size. This results in a smooth and continuous change in the effective flow aperture of the grid slots, rather than the traditional stepped adjustment, allowing for more precise adaptation to the filtration needs of different particle sizes.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically an adaptive variable aperture grid structure. Background Technology

[0002] Bar screens, as a mesh structure composed of crisscrossing strips, play an irreplaceable role in many fields. In environmental protection, wastewater treatment is a crucial task. Taking common coarse and fine bar screens as examples, coarse bar screens are mainly used to intercept larger solid particles, but their fixed bar spacing makes them ineffective at intercepting irregularly shaped debris or debris of sizes between the bar spacing. This debris may enter subsequent treatment processes and damage equipment, such as pump impellers. While fine bar screens can intercept even finer suspended solids, they are prone to clogging when treating high-concentration wastewater or wastewater containing large amounts of fibrous materials.

[0003] Chinese Patent Publication No. CN221432250U discloses a bar screen structure for sewage treatment, which relates to the field of sewage treatment technology. This utility model includes a locking assembly; the locking assembly comprises four rotating columns, a locking block connected to the top of any one of the rotating columns, a telescopic rod connected to the left end of the locking block, a fixing plate connected to the left end of the telescopic rod, a locking cylinder connected to the left end of the fixing plate, a first sliding groove on the locking cylinder, and a locking rod connected to the first sliding groove, with the right end of the locking rod connected to the left top end of the telescopic rod. Through the locking assembly and installation assembly, especially the threaded column, when it rotates back, it drives the gear to rotate back synchronously. When the gear rotates back, it is impacted by the locking block and cannot rotate back, thus ensuring a stable connection and high safety. Furthermore, when disassembly is required, the bar screen body can be quickly disassembled by simply pulling the locking rod to the left, making it highly practical.

[0004] In the existing technology, the structure of a bar screen for sewage treatment is fixed and the mesh size is not variable. Once installed, its interception capacity is fixed. When encountering changes in the size of debris or fluctuations in flow, it cannot adapt and is prone to clogging or insufficient interception. Therefore, we have made an improvement and proposed a bar screen structure with adaptive variable mesh size. Utility Model Content

[0005] The purpose of this utility model is to address the problem that the mesh size of a current wastewater treatment grid structure is not easy to adjust.

[0006] To achieve the above-mentioned objectives, this utility model provides the following technical solution: An adaptive variable aperture grid structure can control multiple adjusting rods to deflect synchronously and precisely through a single drive source (rotating the first threaded rod), thereby smoothly and continuously changing the grid aperture. It can actively change the aperture according to the actual water intake conditions to improve the above-mentioned problems.

[0007] The application is as follows: An adaptive variable aperture grid structure includes a housing, a base inside the housing, a grid groove on the base, two sets of adjustment structures on the base, and an auxiliary groove on the base that cooperates with the two sets of adjustment structures. Each adjustment structure includes a fixed rod and several adjusting rods. The fixed rod is inserted into and fixedly connected to the base. The several adjusting rods are slidably connected to the auxiliary groove and the grid groove. A first fixed seat is fixedly installed on one side of the fixed rod and is fixedly connected to the base. Second fixed seats and T-shaped sliders are fixedly installed at both ends of each of the several adjusting rods. The second fixed seats and T-shaped sliders are inserted into and slidably connected to the base. A telescopic structure is provided inside the base and at the top of the first fixed seat. An adjusting plate is fixedly installed on one side of one of the second fixed seats and is slidably connected to the base. A first threaded rod is provided inside the adjusting plate, passing through the adjusting plate and threadedly connected to it. As a preferred technical solution of this application, a first servo motor is fixedly installed inside the base. A long rod is fixedly installed at the output end of the first servo motor. The long rod is fixedly connected to one of the first threaded rods. A first worm gear is fixedly installed on the outer side of the long rod. A first worm meshes with the outer side of the first worm gear. A short rod is fixedly installed on one side of the first worm. The short rod is fixedly connected to another first threaded rod. The long rod, short rod, first worm gear, first worm, and two first threaded rods are all rotatably connected to the base. The telescopic structure is composed of a T-shaped rod, an I-shaped rod, several long rotating plates, and two short rotating plates. The T-shaped rod, I-shaped rod, several long rotating plates, and two short rotating plates are all slidably connected to the base. Several T-shaped rods are respectively inserted into the interior of a first fixed seat and several second fixed seats and rotatably connected to them. Several I-shaped rods respectively pass through several long rotating plates and two short rotating plates and rotatably connected to them. The first fixed seat and several second fixed seats are slidably connected to several long rotating plates and two short rotating plates. As a preferred technical solution of this application, a second servo motor is fixedly installed inside the housing and on the corresponding sides of the base. A second worm is fixedly installed at the output end of each of the two second servo motors. The two second worms are rotatably connected to the housing. Two second worm wheels mesh with the outer sides of each of the two second worms. A second threaded rod is fixedly installed on the side of each of the second worm wheels near the grid groove. The second worm wheels and the second threaded rod are rotatably connected to the housing. A T-shaped limiting block is threadedly connected to the outer side of each of the second threaded rods. The T-shaped limiting blocks pass through one side of the housing and are slidably connected to it. Two sliding grooves that cooperate with the T-shaped limiting blocks are opened on the top of both sides of the base. As a preferred technical solution of this application, two sliding rods are fixedly installed inside the base. The two sliding rods pass through two first fixed seats and are fixedly connected to them respectively. The two sliding rods pass through several second fixed seats and are slidably connected to them respectively. As a preferred technical solution of this application, baffles are fixedly installed on the side of several adjusting rods near the T-shaped slider, baffles are fixedly installed on the side of two fixed rods near the auxiliary groove, two adjacent baffles are slidably connected, and several baffles are slidably connected to the base. As a preferred technical solution of this application, trapezoidal scrapers are fixedly installed on both inner walls of the housing, and the trapezoidal scrapers are slidably connected to the adjusting rod. Sealing strips are fixedly installed inside the housing and at the top and bottom of the two auxiliary grooves, and the sealing strips are slidably connected to the adjusting rod. As a preferred technical solution of this application, a U-shaped plate is provided inside the shell and at the bottom of the base. The U-shaped plate is fixedly connected to the shell, and two through-hole plates are fixedly installed on the corresponding outer sides of the shell. As a preferred technical solution of this application, infrared sensors are embedded in the inner walls of both sides of the housing and above the two adjustment plates. A control module is provided inside the housing, and the control module is electrically connected to the first servo motor, the two infrared sensors and the two second servo motors.

[0008] Compared with the prior art, the beneficial effects of this utility model are as follows: In the scheme of this application: (1) The first threaded rod is driven to rotate by the first servo motor, which drives the adjustment plate to slide. The adjustment plate drives the second fixed seat to move, so that the adjustment rod rotates with the first fixed seat as the fulcrum. The adjustment rod slides in the auxiliary groove and the grid groove, changing the gap between the adjacent adjustment rod and the fixed rod, realizing the change of the aperture size, realizing the smooth and continuous change of the effective flow aperture of the grid groove, rather than the traditional step adjustment, so as to more precisely adapt to the filtration needs of different particle sizes. (2) The T-shaped limit block mechanism driven by the second servo motor enables the entire base unit to move and be precisely positioned and locked within the housing, which facilitates equipment maintenance and improves the operational flexibility and maintainability of the equipment. Attached Figure Description

[0009] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a front sectional view of the present invention. Figure 3 This utility model Figure 2 Enlarged view of point A in the middle; Figure 4 This is a schematic diagram of the adjustment structure of this utility model; Figure 5 This is a side sectional view of the present invention. Figure 6 This is a partial structural diagram of the present invention.

[0010] Explanation of reference numerals in the accompanying drawings: 1. Housing; 2. Base; 3. Grille groove; 4. Adjusting rod; 5. Reverse plate; 6. First fixed seat; 7. Second fixed seat; 8. T-shaped slider; 9. Telescopic structure; 10. Adjusting plate; 11. First servo motor; 12. Long rod; 13. Short rod; 14. First worm gear; 15. First worm; 16. First threaded rod; 17. Baffle; 18. Slide rod; 19. Infrared sensor; 20. T-shaped limit block; 21. Second servo motor; 22. Second worm gear; 23. Second threaded rod; 24. Second worm; 25. Trapezoidal scraper; 26. Sealing strip; 27. Control module; 28. Fixed rod. Detailed Implementation

[0011] The present invention will be further described in detail below with reference to the accompanying drawings.

[0012] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

[0013] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0014] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0015] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0016] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0017] Example 1: Please refer to the appendix of the instruction manual. Figure 1-4An adaptive variable aperture grid structure includes a housing 1, a base 2 inside the housing 1, a grid groove 3 on the base 2, two sets of adjustment structures on the base 2, and an auxiliary groove on the base 2 that cooperates with the two sets of adjustment structures. The adjustment structure includes a fixed rod 28 and several adjusting rods 4. The fixed rod 28 is inserted into the base 2 and fixedly connected thereto. The several adjusting rods 4 are slidably connected to the auxiliary groove and the grid groove 3. A first fixed seat 6 is fixedly installed on one side of the fixed rod 28 and is fixedly connected to the base 2. A second fixed seat 7 and a T-shaped slider 8 are fixedly installed on both ends of the several adjusting rods 4. The several second fixed seats 7 and the T-shaped slider 8 are inserted into the base 2 and slidably connected thereto. A telescopic structure 9 is provided inside the base 2 and at the top of the first fixed seat 6. An adjusting plate 10 is fixedly installed on one side of one of the second fixed seats 7 and is slidably connected to the base 2. A first threaded rod 16 is provided inside the adjusting plate 10 and is threadedly connected thereto.

[0018] In this embodiment of the invention, when it is necessary to adjust the grid aperture, the drive source, as described below, the first servo motor 11, drives the first threaded rod 16 to rotate. Since the first threaded rod 16 is threadedly connected to the adjusting plate 10, and the adjusting plate 10 is slidably connected to the base 2, the rotation of the first threaded rod 16 is converted into the linear motion of the adjusting plate 10. The adjusting plate 10 drives the second fixed seat 7 fixed thereto to move. Since multiple adjusting rods 4 are interconnected through the second fixed seats 7 at both ends, the T-shaped slider 8, and the first fixed seat 6, and are connected and guided by the telescopic structure 9 in the middle, the movement of one second fixed seat 7 is transmitted to the entire array of adjusting rods 4 through this set of connecting rods and sliding mechanisms, forcing all adjusting rods 4 to deflect synchronously around their rotation connection point with the first fixed seat 6. Since the adjusting rod 4 itself is slidably connected to the grid groove 3 and the auxiliary groove, its deflection motion is directly reflected in the change of the effective blocking area in the grid groove 3, thereby realizing the increase or decrease of the grid aperture. The entire adjustment process is synchronized by the mechanical structure, and the aperture change is uniform.

[0019] In this embodiment of the utility model, by setting an adjustment structure consisting of a fixed rod 28, an adjusting rod 4, a first fixed seat 6, a second fixed seat 7, a T-shaped slider 8, and a telescopic structure 9, and by using a threaded rod to drive the adjusting plate 10, it is possible to control all the adjusting rods 4 to move synchronously and smoothly with a single drive source, ensuring the uniformity and accuracy of the grid aperture change, and effectively avoiding the problems of local jamming or uneven aperture.

[0020] Example 2: Please refer to the appendix of the instruction manual. Figure 1-6In a preferred embodiment of this utility model, a first servo motor 11 is fixedly installed inside the base 2. A long rod 12 is fixedly installed at the output end of the first servo motor 11. The long rod 12 is fixedly connected to one of the first threaded rods 16. A first worm gear 14 is fixedly installed on the outer side of the long rod 12. A first worm 15 meshes with the outer side of the first worm gear 14. A short rod 13 is fixedly installed on one side of the first worm 15. The short rod 13 is fixedly connected to another first threaded rod 16. The long rod 12, the short rod 13, the first worm gear 14, and the first worm 16 are all connected together. 5 and the two first threaded rods 16 are rotatably connected to the base 2. The telescopic structure 9 is composed of T-shaped rods, I-shaped rods, several long rotating plates and two short rotating plates. The T-shaped rods, I-shaped rods, several long rotating plates and two short rotating plates are slidably connected to the base 2. Several T-shaped rods are respectively inserted into the interior of the first fixed seat 6 and several second fixed seats 7 and rotatably connected to them. Several I-shaped rods respectively pass through several long rotating plates and two short rotating plates and rotatably connected to them. The first fixed seat 6 and several second fixed seats 7 are slidably connected to several long rotating plates and two short rotating plates respectively.

[0021] Inside the housing 1 and on the corresponding sides of the base 2, a second servo motor 21 is fixedly installed. A second worm gear 24 is fixedly installed at the output end of each of the two second servo motors 21. Both second worm gears 24 are rotatably connected to the housing 1. Two second worm wheels 22 mesh with the outer sides of each of the two second worm gears 24. A second threaded rod 23 is fixedly installed on the side of each of the second worm wheels 22 near the grid groove 3. Both the second worm wheels 22 and the second threaded rod 23 are rotatably connected to the housing 1. T-shaped limit blocks 20 are threadedly connected to the outer sides of each of the second threaded rods 23. The T-shaped limit blocks 20 pass through one side of the housing 1 and are slidably connected to it. Two sliding grooves that cooperate with the T-shaped limit blocks 20 are opened on the top of both sides of the base 2.

[0022] Two slide rods 18 are fixedly installed inside the base 2. The two slide rods 18 pass through the two first fixed seats 6 and are fixedly connected to them respectively. The two slide rods 18 pass through several second fixed seats 7 and are slidably connected to them respectively.

[0023] Several adjusting rods 4 are fixedly installed with baffles 17 on the side near the T-shaped slider 8, and two fixed rods 28 are fixedly installed with baffles 17 on the side near the auxiliary groove. Adjacent baffles 17 are slidably connected, and several baffles 17 are slidably connected to the base 2.

[0024] Trapezoidal scrapers 25 are fixedly installed on both inner walls of the housing 1, and the trapezoidal scrapers 25 are slidably connected to the adjusting rod 4. Sealing strips 26 are fixedly installed inside the housing 1 at the top and bottom of the two auxiliary slots, and the sealing strips 26 are slidably connected to the adjusting rod 4.

[0025] Inside the housing 1 and at the bottom of the base 2, there is a spiral plate 5. The spiral plate 5 is fixedly connected to the housing 1. The groove in the middle of the spiral plate 5 has the same horizontal cross-sectional size as the grid groove 3. Two through-hole plates are fixedly installed on the corresponding outer sides of the housing 1.

[0026] Infrared sensors 19 are embedded on both inner walls of the housing 1 and above the two adjustment plates 10. A control module 27 is installed inside the housing 1. The control module 27 is electrically connected to the first servo motor 11, the two infrared sensors 19 and the two second servo motors 21. The control module 27 is also electrically connected to the peripheral controller.

[0027] In this embodiment of the invention, the first servo motor 11 is started, driving the long rod 12 to rotate. The long rod 12 directly drives a first threaded rod 16 connected to it to rotate. At the same time, the first worm gear 14 on the long rod 12 rotates accordingly, driving the first worm gear 15 meshing with it to rotate. The first worm gear 15 drives the short rod 13 to rotate, thereby driving the other first threaded rod 16 to rotate. Through the transmission of the worm gear, it is ensured that the two first threaded rods 16 rotate in opposite directions. The two first threaded rods 16 rotating in opposite directions drive the adjusting plates 10 located on both sides of the base 2 to make linear movements in opposite directions, thereby pushing or pulling the adjusting structure from both sides at the same time, making the deflection of the adjusting rod 4 more balanced and efficient. The T-shaped rod, I-shaped rod, long rotating plate and short rotating plate in the telescopic structure 9 constitute a telescopic linkage frame. When the first fixed seat 6 and the second fixed seat 7 are relatively displaced due to the movement of the adjusting plate 10, this linkage frame will deform, but its internal rotation and sliding connection ensures the effective transmission of force and the constraint of the motion trajectory, so that the deflection angle of all adjusting rods 4 remains consistent.

[0028] When the second servo motor 21 drives the second worm gear 24 to rotate, it drives the second worm wheel 22 and the second threaded rod 23 to rotate. The T-shaped limit block 20 moves linearly under the action of the thread, passing through the side wall of the housing 1. The top of both sides of the base 2 are provided with sliding grooves that cooperate with the T-shaped limit block 20. The T-shaped limit block 20 can be inserted into the sliding groove to lock the base 2, or it can be removed from the sliding groove to release the base 2. This structure provides a motor locking function for the position of the base 2, making the entire grid unit easy to disassemble and replace. At the same time, the worm gear transmission has a self-locking characteristic, which can ensure the reliability of the locking.

[0029] In this embodiment of the invention, the slide bar 18 provides precise guidance for the second fixed seat 7, ensuring that it maintains linear movement during movement and avoiding skewness or jamming, thereby ensuring the synchronicity and smoothness of the deflection action of all adjusting rods 4; the baffle 17 forms a sealing surface that can adaptively change with the movement of the adjusting rod 4. No matter how the grid aperture is adjusted, the baffle 17 can always effectively cover the gap generated at the root of the adjusting rod 4, improving the sealing performance and interception efficiency of the grid, especially suitable for occasions requiring fine filtration; the trapezoidal scraper 25 can scrape off the dirt attached to the surface of the adjusting rod 4 when it moves, and has a self-cleaning function. The sealing strip 26 helps to seal the gap between the housing 1 and the moving parts, reducing the risk of leakage and external contaminants entering the mechanism; the U-shaped plate 5 ensures that the medium flowing out of the grid groove 3 can be effectively collected and guided. The through-hole plate facilitates the integration of this grid structure with external systems.

[0030] Infrared sensor 19 can be used to detect the extreme position of adjustment plate 10 or monitor whether there is foreign object blockage; control module 27 receives sensor signals and peripheral controller instructions, automatically controls the first servo motor 11 to adjust the aperture, and the second servo motor 21 to drive the locking mechanism, realizing the intelligent and adaptive operation of the grid structure.

[0031] Example 3: Please refer to the appendix of the instruction manual. Figure 1 , Figure 2 and Figure 6 In a preferred embodiment of this utility model, several third worm gears are engaged on the outer sides of the two second worm gears 24. Several third threaded rods are fixedly installed on the side of the several third worm gears near the base 2. Several third worm gears and third threaded rods are rotatably connected to the housing 1. Several T-shaped inserts are threadedly connected to the outer sides of the several third threaded rods. Several T-shaped inserts pass through one side of the housing 1 and are slidably connected to it. An interception plate is provided on the top of the base 2 and above the grid groove 3. The interception plate has a triangular structure. Several L-shaped interception rods are fixedly installed on the corresponding sides of the interception plate. Slots for sliding interception with the T-shaped inserts are opened on the corresponding sides of the interception plate.

[0032] In this embodiment of the utility model, when the second worm 24 rotates, in addition to driving the second worm wheel 22, it also meshes with several third worm wheels to drive the third threaded rod to rotate; the third threaded rod drives the T-shaped plug to slide along the base 2, and the T-shaped plug is inserted into the slots on both sides of the interceptor plate to fix the interceptor plate above the grid groove 3.

[0033] The interceptor plate has a triangular structure. The L-shaped interceptor bars on both sides can initially intercept objects or fluids passing above the grid channel 3, preventing large impurities from entering the grid channel 3. At the same time, the triangular structure can guide impurities to slide to both sides to avoid accumulation.

[0034] In this embodiment of the invention, the L-shaped intercepting rod and the triangular intercepting plate can block large impurities in advance, reduce the filtration pressure of the grid groove 3 and the adjusting rod 4, reduce the risk of clogging, and are suitable for scenarios with a large number of impurities (such as sewage filtration and ventilation dust removal); the intercepting plate can be installed or removed as needed through the detachable connection of the T-shaped plug, which enhances the flexibility of the structure and adapts to different filtration or interception requirements; the second worm gear 24 drives the second worm wheel 22 (limiting) and the third worm wheel (intercepting plate fixed), which reduces the number of motors, simplifies the structure, reduces costs, and ensures the coordination of the actions.

[0035] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall fall within the scope of the technical solution of the present utility model.

Claims

1. An adaptive variable aperture grid structure, comprising a housing (1), characterized in that, The housing (1) has a base (2) inside, and a grid groove (3) is provided on the base (2). The base (2) has two sets of adjustment structures, and an auxiliary groove that cooperates with the two sets of adjustment structures is provided on the base (2). The adjustment structure includes a fixed rod (28) and several adjustment rods (4). The fixed rod (28) is inserted into the base (2) and fixedly connected to it. The several adjustment rods (4) are slidably connected to the auxiliary groove and the grid groove (3). A first fixed seat (6) is fixedly installed on one side of the fixed rod (28), and the first fixed seat (6) is fixedly connected to the base (2). The two ends of the adjusting rod (4) are fixedly installed with a second fixed seat (7) and a T-shaped slider (8). Several second fixed seats (7) and T-shaped sliders (8) are inserted into the base (2) and slidably connected to it. The base (2) is provided with a telescopic structure (9) inside and at the top of the first fixed seat (6). One of the second fixed seats (7) is fixedly installed with an adjusting plate (10) on one side, and the adjusting plate (10) is slidably connected to the base (2). The adjusting plate (10) is provided with a first threaded rod (16) inside, and the first threaded rod (16) passes through the adjusting plate (10) and is threadedly connected to it.

2. The adaptive variable aperture grid structure according to claim 1, characterized in that, A first servo motor (11) is fixedly installed inside the base (2). A long rod (12) is fixedly installed at the output end of the first servo motor (11). The long rod (12) is fixedly connected to one of the first threaded rods (16). A first worm gear (14) is fixedly installed on the outside of the long rod (12). A first worm (15) meshes with the outside of the first worm gear (14). A short rod (13) is fixedly installed on one side of the first worm (15). The short rod (13) is fixedly connected to another first threaded rod (16). The long rod (12), the short rod (13), the first worm gear (14), and the first threaded rod (16) are all fixedly connected. The worm (15) and the two first threaded rods (16) are rotatably connected to the base (2). The telescopic structure (9) is composed of a T-shaped rod, an I-shaped rod, several long rotating plates and two short rotating plates. The T-shaped rod, the I-shaped rod, the several long rotating plates and the two short rotating plates are slidably connected to the base (2). Several T-shaped rods are inserted into the interior of the first fixed seat (6) and several second fixed seats (7) and rotatably connected to them. Several I-shaped rods pass through several long rotating plates and two short rotating plates and rotatably connected to them. The first fixed seat (6) and several second fixed seats (7) are slidably connected to several long rotating plates and two short rotating plates.

3. The adaptive variable aperture grid structure according to claim 1, characterized in that, A second servo motor (21) is fixedly installed inside the housing (1) and on the corresponding sides of the base (2). A second worm (24) is fixedly installed at the output end of each of the two second servo motors (21). The two second worms (24) are rotatably connected to the housing (1). Two second worm wheels (22) mesh with the outer sides of the two second worms (24). A second threaded rod (23) is fixedly installed on the side of the second worm wheel (22) near the grid groove (3). The second worm wheel (22) and the second threaded rod (23) are rotatably connected to the housing (1). A T-shaped limiting block (20) is threadedly connected to the outer side of the second threaded rod (23). The T-shaped limiting block (20) passes through one side of the housing (1) and is slidably connected to it. Two sliding grooves that cooperate with the T-shaped limiting block (20) are opened on the top of both sides of the base (2).

4. The adaptive variable aperture grid structure according to claim 1, characterized in that, The base (2) has two slide rods (18) fixedly installed inside. The two slide rods (18) pass through two first fixed seats (6) and are fixedly connected to them respectively. The two slide rods (18) pass through several second fixed seats (7) and are slidably connected to them respectively.

5. The adaptive variable aperture grid structure according to claim 1, characterized in that, Several adjusting rods (4) are fixedly installed with baffles (17) on the side near the T-shaped slider (8), and two fixed rods (28) are fixedly installed with baffles (17) on the side near the auxiliary groove. Two adjacent baffles (17) are slidably connected, and several baffles (17) are slidably connected to the base (2).

6. The adaptive variable aperture grid structure according to claim 1, characterized in that, Trapezoidal scrapers (25) are fixedly installed on both inner walls of the housing (1), and the trapezoidal scrapers (25) are slidably connected to the adjusting rod (4). Sealing strips (26) are fixedly installed inside the housing (1) and at the top and bottom of the two auxiliary grooves, and the sealing strips (26) are slidably connected to the adjusting rod (4).

7. The adaptive variable aperture grid structure according to claim 1, characterized in that, A spiral plate (5) is provided inside the housing (1) and at the bottom of the base (2). The spiral plate (5) is fixedly connected to the housing (1). Two through-hole plates are fixedly installed on the outer sides of the corresponding sides of the housing (1).

8. The adaptive variable aperture grid structure according to claim 1, characterized in that, Infrared sensors (19) are embedded in the inner walls of both sides of the housing (1) and above the two adjustment plates (10). A control module (27) is provided inside the housing (1). The control module (27) is electrically connected to the first servo motor (11), the two infrared sensors (19) and the two second servo motors (21).

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