Ground cage locking structure

Abstract

The utility model relates to the field of grain depot ground cages, in particular to a ground cage locking structure. The ground cage locking structure comprises a quick buckle (2), wherein the quick buckle (2) can be used for quickly buckling the butted ground cage; the ground cage comprises an air distribution port (3); the end parts of the butted units of the ground cage can be pressed and fixed with each other; the number of the quick buckles (2) is three, and the three quick buckles (2) are evenly distributed around the center of the ground cage.

Description

Technical Field

[0001] This utility model relates to the field of grain depot ground cages, and in particular to the ground cage locking structure. Background Technology

[0002] The installation pain points of traditional above-ground cage ventilation systems: complex procedures and reliance on manual precision.

[0003] Traditional installation requires bolting duct components (such as main pipes, tees, ventilation grilles, etc.) point by point. During construction, precise drilling locations must be determined before manually tightening the bolts. This process presents two major problems:

[0004] Hole position deviation risk: Manual drilling is prone to hole position deviation due to measurement errors or operation vibrations, requiring rework for correction;

[0005] Uneven tightening force: Bolt tightening relies on the worker's experience. Insufficient force will easily loosen the bolts, while excessive force will damage the anti-corrosion layer of the components.

[0006] Time-consuming, labor-intensive, and with low collaboration efficiency

[0007] Taking a typical room-type warehouse as an example, a single warehouse needs to lay dozens of branch air ducts (up to 100 meters in length), each air duct needs to be drilled with dozens of holes, and the whole process requires the coordinated operation of multiple people;

[0008] The working environment of open-air grain stacks is more severe, and the limited space further reduces installation efficiency.

[0009] Structural stability risks: Bolted connections are prone to slight loosening due to grain pressure or mechanical vibration, leading to three major problems:

[0010] Risk of grain leakage: Grain may seep into the air duct and block the ventilation holes (opening rate 25-35%) as the gaps widen.

[0011] Uneven ventilation: Loose parts leak air, disrupting the uniformity of airflow and affecting the cooling, precipitation, and fumigation effects;

[0012] Shortened lifespan: PH3 fumigation vapor corrodes metal components through crevices, reducing their antioxidant and corrosion-resistant properties.

[0013] The urgency of technological upgrading:

[0014] Current grain warehouse management requires efficient ventilation (such as grain cooling and circulating fumigation), and traditional installation methods have become a bottleneck. For example, when renovating old warehouses, bolt installation requires damaging the floor, increasing civil engineering costs and construction time. Modern solutions have shifted to modular quick-installation structures (such as highly interchangeable and compression-resistant unit-type air ducts) to solve the above pain points.

[0015] On July 1, 2025, a search was conducted in the China Patent Publication Database using "ground cage and connection and buckle" as the abstract keywords, with the option to allow synonym expansion selected.

[0016] Five documents were discovered, namely: CN219995228U, a snap-lock positioning structure for streetlight cages, published on 2023-11-10; CN220350760U, a folding cage release mechanism, published on 2024-01-16; CN207444051U, a grass carp trapping net, published on 2018-06-05; CN210538299U, a shrimp trapping device for crab farming ponds, published on 2020-05-19; and CN213404581U, a trapping cage for wetland fish resource surveys, published on 2021-06-11. These are completely unrelated to this patent.

[0017] On July 1, 2025, the theme was "Fresh Air System and Combination and Air Conditioning and..." A search for the abstract of "detachable" on CNKI (China National Knowledge Infrastructure) yielded five documents: "Integrated Water Tank" by Zhang Yegang, Wang Xiaojun, Wang Hongliang, Zhao Yuyan, and Zhang Cong (2023-04-14); "Construction Technology of Foundation Pit Support Piles under Complex Site Conditions in Old Urban Areas" by Ma Chong, Tian Zhou, Li Feng, Hu Jinku, and Jing Shilei (2022-12-28); "Glass Fiber Reinforcement Technology and Practice for Shield Tunneling Receiving Portals of Ultra-Deep Subway Stations" by Deng Xifei, Wang Shengtao, Wu Jialin, Liu Ziyang, and Fang Zhihai (2021-12-10); "Refrigerator Compressor Motor" by Xu Xinjiang, Shen Weiyuan, Qiu Guozhong, Liu Zhongmao, and Rui Musheng (2017-08-06); "A Brief Discussion on the Processing and Lifting Technology of Three-Layer Reinforcing Cage for Φ3.0m Expanded Base Piles" by Dai Renhe (2015-04-20); and "UKS Type High-Current Industrial Connector". Du Xuefeng; Liu Risong; Li Changrun; Wang Linjian; Tu Yunben; 2013-05-18. Utility Model Content

[0018] The purpose of this utility model is to provide a better locking structure for the ground cage. The specific purpose is explained in the several substantive technical effects in the specific implementation section.

[0019] To achieve the above objectives, the present invention adopts the following technical solution:

[0020] The ground cage locking structure is characterized by,

[0021] The locking structure of the ground cage includes a quick-release buckle 2, which can quickly fasten the mating ground cages together;

[0022] The ground cage includes air vents 3;

[0023] The ends of the connected cage units can be pressed together.

[0024] The quick-release buckle 2 consists of three, and the three quick-release buckles 2 are evenly distributed around the center of the cage.

[0025] A further technical solution of this utility model is that the quick buckle 2 includes an upper buckle body 21 and a lower buckle seat.

[0026] A further technical solution of this utility model is that the upper buckle 21 integrates an elastic locking arm and a guide slope 211. When pressed, the locking arm is compressed and deformed, and can be embedded into the hook-shaped slot of the lower card seat, and can achieve self-locking by using the mechanical wedge tightening principle.

[0027] A further technical solution of this utility model is that a temperature sensor 212 is arranged in the space supported below the guide slope 211, and the temperature sensor 212 is connected to a line 213, which is arranged along the ground cage.

[0028] A further technical solution of this utility model is that the end of the unit of the ground cage is provided with an arc-shaped protrusion 4, and the arc-shaped protrusions 4 of the units of the two ground cages can be fastened together.

[0029] The present invention, employing the above technical solution, offers the following advantages over existing technologies: The grain silo ventilation ground cage quick-connect fixing device features screwless installation, second-level installation, and full-scene adaptability, representing a revolutionary technological breakthrough. This device innovatively adopts a purely mechanical snap-fit ​​structure, using high-precision injection molding or metal stamping processes to form double-wedge-shaped interlocking grooves and elastic locking springs. No screws or tools are required; a single-handed press or rotation is all that's needed to achieve a 3-second ultra-fast connection, completely eliminating the cumbersome process of "drilling-screwing-calibration." A single person can complete 3-5 times the laying volume of traditional methods in a single day, significantly reducing labor costs and construction time. Attached Figure Description

[0030] To further illustrate this utility model, the following description is provided in conjunction with the accompanying drawings:

[0031] Figure 1 This is a schematic diagram of the structure of the utility model;

[0032] Figure 2 Structural diagram of a quick-release buckle for utility model applications;

[0033] The components include: 1. Ground cage; 2. Quick-release buckle; 3. Air vent; 21. Upper buckle body; 22. Lower buckle seat; 211. Guide slope; 212. Temperature sensor; 213. Circuit; 4. Arc-shaped protrusion. Detailed Implementation

[0034] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention. In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "top," and "bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. In addition, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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 connection of two components. For those skilled in the art, the specific meaning of the above terms in the present invention can be understood according to the specific circumstances.

[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0036] This patent provides multiple parallel solutions; the different descriptions represent improved or parallel solutions based on a basic solution. Each solution has its own unique characteristics. Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other. Fixing methods not described herein can be any type of fixing, such as threaded fixing, bolt fixing, or adhesive bonding.

[0037] Example 1: Combining Figure 1 and Figure 2 The ground cage locking structure is characterized by,

[0038] The locking structure of the ground cage includes a quick-release buckle 2, which can quickly fasten the mating ground cages together;

[0039] The ground cage includes air vents 3;

[0040] The ends of the connected cage units can be pressed together.

[0041] The quick-release buckle 2 comprises three fasteners, which are evenly distributed around the center of the cage. The substantive technical effect and implementation process of this technical solution, i.e., its basic function, are as follows:

[0042] The grain silo ventilation floor cage quick-connect fixing device features screwless installation, instant installation, and adaptability to all scenarios. This revolutionary technological breakthrough utilizes a screwless quick-connect system. The device innovatively employs a purely mechanical snap-fit ​​structure, using high-precision injection molding or metal stamping processes to create double wedge-shaped interlocking grooves and elastic locking springs. No screws or tools are needed; a single-handed press or rotation achieves a lightning-fast 3-second connection, completely eliminating the cumbersome process of "drilling-screwing-calibration." A single person can complete 3-5 times the installation volume of traditional methods in a single day, significantly reducing labor costs and construction time. The quick-connect design is undoubtedly achievable.

[0043] 1. Anti-displacement locking mechanism: The snap-fit ​​surface features a 45° beveled anti-slip texture, combined with a trapezoidal limiting boss, capable of withstanding ≥800N of lateral tensile force and ≥500N of vertical pressure. Compared to traditional bolt connections, this improves anti-displacement capability by 30%, completely solving the problem of misalignment of the floor cage caused by airflow impact during ventilation. Built-in memory metal spring clips automatically compensate for gaps under grain accumulation pressure, maintaining a dynamically tight state and preventing loosening due to long-term load.

[0044] 2. Fully sealed and leak-proof design: Food-grade silicone sealing rings are embedded at the joints to form a triple ring-sealed structure with an air leakage rate of <0.5%, completely preventing grain particles from entering the ventilation duct and avoiding the risk of grain accumulation and mold caused by gaps in traditional bolt holes. At the same time, ventilation efficiency is improved by 15%-20%, ensuring uniform airflow distribution in the grain pile.

[0045] 3. Seamless compatibility with the original system: Utilizing a modular universal interface, it precisely adapts to over 95% of mainstream ground cage pipe diameters on the market (φ80mm-φ150mm). Upgrades can be achieved simply by replacing traditional connecting components, without modifying the original ground cage structure. This can save over 60% on replacement costs when renovating old cages and improve the efficiency of new cage construction by 50%.

[0046] Working Principle: A deep integration of mechanical mechanics and the grain silo scenario. The main body of the device consists of an upper buckle and a lower locking seat. The upper buckle integrates an elastic locking arm and a guide ramp. When pressed, the locking arm compresses and deforms, embedding into the hook-shaped groove of the lower locking seat, achieving self-locking through the mechanical wedging principle. The lower locking seat adopts a T-shaped load-bearing base, which is fixed to the end face of the ground cage by welding or snap-fitting. An internal sealing ring installation groove is reserved to ensure that both airtightness and structural strength meet the standards after connection. The entire mechanism requires no electricity or complex operation, using purely physical connections. It is suitable for the harsh environment of high humidity and dust in grain silos, with a service life of ≥10 years, far exceeding the 5-8 years of traditional bolted connections.

[0047] Application Value: Redefining the efficiency of grain silo ventilation systems. Construction Scenarios: A single person can complete the connection of the ground cage in narrow spaces, suitable for complex silo types such as shallow square silos, round silos, and vertical silos; Operation and Maintenance Scenarios: During maintenance, simply pull up the unlocking handle to complete disassembly within 10 seconds, improving efficiency by 90% compared to traditional bolt disassembly and significantly reducing downtime for maintenance; Food Safety: Completely eliminates the hidden danger of loose bolts falling into the grain, meeting the stringent safety requirements of mechanical components in GB 1350-2021 "Grain Storage Safety Responsibility Standard".

[0048] Example 2: As a further improvement, parallel, or optional independent solution, the quick-release buckle 2 includes an upper buckle body 21 and a lower buckle seat.

[0049] Example 3: As a further improvement, parallel, or optional independent solution, the upper buckle 21 integrates an elastic locking arm and a guide slope 211. When pressed, the locking arm compresses and deforms, embedding into the hook-shaped slot of the lower card seat, achieving self-locking through the mechanical wedge principle. The substantial technical effect and implementation process of this technical solution, i.e., its basic function, are as follows: it can protect the temperature sensor, prevent the temperature sensor from being damaged by pressure, and obtain the temperature of the bottom grain in a timely manner.

[0050] Example 4: As a further improvement, parallel, or optional independent solution, a temperature sensor 212 is arranged in the space supported below the guide slope 211. The temperature sensor 212 is connected to a line 213, which is arranged along the ground cage. The substantive technical effect and implementation process of this technical solution, i.e., its basic function, are as follows: it can conveniently provide energy and transmit signals; multiple temperature sensors have lines leading out; and it can connect to a storage battery, which can be fixed to the grain depot wall.

[0051] Example 5: As a further improvement, parallel solution, or optional independent solution, the ends of the units of the ground cage are provided with arc-shaped protrusions 4, and the arc-shaped protrusions 4 of the units of two ground cages can be fastened together. The substantial technical effect and implementation process of the technical solution here, i.e., the basic function, is as follows: it can be fastened together quickly.

[0052] It should be noted that the solution in this paragraph is at least a new type of intelligent multi-purpose device, which is a standalone unit that can be sold independently. The solutions in the following paragraphs are parallel solutions or improved solutions.

[0053] Innovatively, each of the above effects exists independently, yet a single structure can be used to combine the results.

[0054] It should be noted that the multiple modules in this patent are an integration of existing technology modules and do not involve any new modules. Even if some modules use programs, those programs are undoubtedly known programs.

[0055] It should be noted that the multiple solutions provided in this patent include their own basic solutions, which are independent of each other and do not restrict each other. However, they can also be combined with each other without conflict to achieve multiple effects.

[0056] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims.

Claims

1. A ground cage locking structure, characterized in that, The locking structure of the ground cage includes a quick-release buckle (2), which can quickly fasten the mating ground cages together; The ground cage includes a vent (3); The ends of the connected cage units can be pressed together. The quick-release buckle (2) comprises three, and the three quick-release buckles (2) are evenly distributed around the center of the cage.

2. The ground cage locking structure as described in claim 1, characterized in that, The quick-release buckle (2) includes an upper buckle body (21) and a lower buckle seat.

3. The ground cage locking structure as described in claim 1, characterized in that, The upper buckle (21) integrates an elastic locking arm and a guide slope (211). When pressed, the locking arm is compressed and deformed, and can be embedded into the hook-shaped slot of the lower card seat, and can achieve self-locking by using the mechanical wedge tightening principle.

4. The ground cage locking structure as described in claim 3, characterized in that, A temperature sensor (212) is arranged in the space supported below the guide slope (211). The temperature sensor (212) is connected to the line (213), which is arranged along the ground cage.

5. The ground cage locking structure as described in claim 1, characterized in that, The ends of the units of the cage are provided with arc-shaped protrusions (4), and the arc-shaped protrusions (4) of the units of the two cages can be fastened together.

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