Ring case site investigation equipment

Abstract

The utility model provides a ring case on -the -spot investigation equipment, through setting up hollow box cover and in its inside integration by phase change thermostat bag and heat -insulating pad constitute's refrigeration mechanism, cooperation box cover bottom's through -hole, cold air passes through through -hole and sinks to storage tank in, the storage tank is divided into a plurality, every partition all is provided with containing the sample placement mechanism of rack and limit groove, can classify and fix all kinds of sample test tube, prevent its mutual collision, simultaneously, the bottom of the placing box is innovatively provided with a shock absorbing mechanism composed of a bearing plate, a pressing plate and an elastic member. The shock absorbing mechanism combines the lever principle and elastic buffering. The above technical solution effectively maintains the low-temperature environment of the samples during transportation, and the cost is low. The sample placement mechanism is separately arranged, effectively reducing the probability of damage caused by knocking. The shock absorbing mechanism reduces the shaking amplitude of the sample placement mechanism during transportation, and limits the activity range of the shock absorbing mechanism.

Description

Technical Field

[0001] This utility model relates to the field of environmental survey equipment, specifically to on-site survey equipment for environmental cases. Background Technology

[0002] On-site investigation of environmental cases refers to the devices or equipment used by environmental protection departments to conduct on-site investigations when investigating and handling environmental pollution cases. These mainly include evidence collection equipment and testing equipment.

[0003] Specialized sampling equipment is typically used for different pollutants. After collection, the samples need to be labeled and quickly placed in a storage box. The storage box should be returned to the storage room after the investigation is completed. This is to be used as evidence in subsequent legal proceedings. For samples used as evidence, standards such as the "Technical Regulations for the Preservation and Management of Water Quality Sampling Samples" and the "Technical Specifications for Soil Environmental Monitoring" clearly stipulate that most testing items must be stored at 0-4°C to ensure no cross-contamination occurs. Although 0-4°C is not required for short-distance transportation, refrigeration is still necessary to minimize the probability of chemical reactions and internal denaturation due to excessively high temperatures during transportation.

[0004] Chinese utility model patent CN218142968U discloses an environmental geological exploration sample storage device, including a storage box. The storage box has multiple layers of storage components for holding exploration samples, and each storage component has a partition plate. Limiting components are fixed to the sides of each storage component, and sliding connecting pins are provided on the partition plates. When a storage component is placed inside the storage box, the connecting pins can simultaneously engage with the limiting components distributed on the sides of two adjacent storage components.

[0005] The above-described solution uses partitions and connecting pins to divide the storage box into multiple spaces, minimizing the risk of cross-contamination. However, this solution cannot be refrigerated, and bumps during transportation may damage the collection tubes, leading to sample mixing or spillage. Utility Model Content

[0006] The purpose of this invention is to address the shortcomings of the aforementioned technologies by proposing on-site investigation equipment for environmental cases, aiming to solve the problems of inconvenience in refrigeration and the need to reduce vibration during transportation.

[0007] This utility model provides on-site investigation equipment for environmental cases, including a storage box for placing samples. The top of the storage box is provided with a box cover, which is hollow. A cooling mechanism is provided inside the box cover. The storage box is divided into several partitions by several partitions. Each partition is provided with a sample placement mechanism. A shock-absorbing mechanism is provided between the bottom of the sample placement mechanism and the bottom wall of the storage box. The shock-absorbing mechanism is used to dampen and limit the vibration of the sample placement mechanism.

[0008] Preferably, the refrigeration mechanism includes several phase change thermostatic units, and the box cover is provided with several partitions. Each phase change thermostatic unit is placed in a corresponding partition. A heat insulation pad is provided between the phase change thermostatic unit and the top wall of the box cover. Several through holes are opened on the bottom wall of the box cover, and the through holes communicate with the storage box. The partitions in the box cover correspond to the partitions in the storage box.

[0009] Preferably, the sample placement mechanism includes a placement box disposed within a partition of the storage box. The placement box contains a rack for placing sample tubes. A limiting groove is provided on the bottom wall of the placement box to restrict the sample tubes from swinging on the rack. A shock-absorbing mechanism is located between the placement box and the bottom wall of the storage box. The bottom wall of the placement box has several perforations located between the intervals of the limiting groove.

[0010] Preferably, the shock-absorbing mechanism includes a support plate and a retaining plate. The support plate is vertically connected to the middle of the retaining plate. The bottom wall of the placement box is movably fitted with the support plate, and the side wall of the placement box is fitted with the top of the retaining plate. The support plate and the retaining plate are rotatably connected to the inner wall of the storage box via a rotating shaft. An elastic element is connected between the bottom end of the retaining plate and the side wall of the placement box.

[0011] Preferably, a limiting plate is provided on the side of the bottom end of the abutment plate away from the elastic element, and the limiting plate is connected to the bottom wall of the placement box.

[0012] The top of the clamping plate is connected to the side of the placement box with a first fastening strip, and the side of the placement box is connected to the side of the clamping plate with a second fastening strip. The first fastening strip and the second fastening strip are movably fitted together.

[0013] Compared with existing technologies, it has the following beneficial effects: This utility model provides on-site investigation equipment for environmental cases. It features a hollow lid with an integrated refrigeration mechanism consisting of a phase-change thermostat and a heat insulation pad. Cold air descends into the storage box through a through-hole at the bottom of the lid. The storage box is divided into multiple sections, each equipped with a sample placement mechanism including a rack and a limiting groove, which can classify and secure various sample tubes to prevent collisions. Simultaneously, an innovative shock-absorbing mechanism composed of a support plate, a clamping plate, and elastic elements is incorporated at the bottom of the placement box. This mechanism combines leverage principles with elastic cushioning. Using this technical solution, the refrigeration mechanism effectively maintains a low-temperature environment for the samples during transport, and is cost-effective; the segmented sample placement mechanism effectively reduces the probability of damage from impacts; and the shock-absorbing mechanism reduces hard collisions during transport and limits its range of motion. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only preferred embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Figure 1 This is a schematic diagram of the on-site investigation equipment for environmental cases according to this utility model; Figure 2 This is an exploded view of the refrigeration mechanism of this utility model; Figure 3 This is a schematic diagram of the internal structure of the storage box of this utility model; Figure 4 This is a schematic diagram of the sample placement mechanism of this utility model; Figure 5 This is a side view of the internal structure of the storage box of this utility model; Figure 6 This is a partially enlarged schematic diagram of part A of this utility model.

[0015] In the diagram, storage box-1; partition-11; box lid-2; refrigeration mechanism-3; phase change thermostat-31; heat insulation pad-32; through hole-33; sample placement mechanism-4; placement box-41; placement rack-42; limiting groove-43; perforation-44; shock absorption mechanism-5; bearing plate-51; clamping plate-52; elastic element-53; limiting plate-54; first fastener-56; second fastener-57. Detailed Implementation

[0016] To better understand the structure, functional features, and advantages of this utility model, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings: Example: like Figures 1 to 6As shown, this utility model provides equipment for on-site investigation of environmental cases. On-site investigation of environmental cases is conducted by environmental protection administrative law enforcement departments, public security organs, and procuratorial organs when investigating and handling environmental pollution cases. The devices or equipment used typically include specialized equipment for sample collection, evidence preservation, rapid testing, and law enforcement recording. Some test data can be measured on-site, while others need to be taken back to the laboratory for further analysis. In addition, even samples that can be measured on-site should be stored for evidence preservation in subsequent judicial procedures. Law enforcement departments have dedicated sample storage cabinets, but during the process from the scene to the law enforcement department's residence, situations where high temperatures or freezing can accelerate chemical reactions and chemical denaturation of the samples should be avoided as much as possible. Therefore, this application proposes a storage box 1 for placing samples, with a lid 2 at the top of the storage box 1. The lid 2 is hollow. The lid 2 and the storage box 1 can be connected by a hinge and locked by corresponding buckles, or the lid 2 and the storage box 1 can be separated and locked by buckles. These methods are existing technologies. This application adopts a separate method to facilitate the installation of a cooling mechanism 3. A cooling mechanism 3 is installed inside the lid 2. The storage box 1 is divided into several partitions by several partitions 11. Each partition is equipped with a sample placement mechanism 4. A shock-absorbing mechanism 5 is installed between the bottom end of the sample placement mechanism 4 and the bottom wall of the storage box 1. The shock-absorbing mechanism 5 is used to dampen and limit the vibration of the sample placement mechanism 4.

[0017] As another embodiment, such as Figure 1 and Figure 2As shown, the refrigeration mechanism 3 of this application includes several phase change thermostatic packs 31. The lid 2 has several partitions, with each phase change thermostatic pack 31 placed within its corresponding partition. A heat insulation pad 32 is provided between the phase change thermostatic pack 31 and the top wall of the lid 2. Several through holes 33 are provided on the bottom wall of the lid 2, communicating with the storage box 1. The partitions within the lid 2 correspond to the partitions within the storage box 1. The partitions within the lid 2 are separated by partitions. The phase change thermostatic pack 31 is a plastic pack containing phase change thermostatic material. Phase change thermostatic material is a type of intelligent material that utilizes the property that a substance can absorb, store, or release a large amount of energy while its own temperature remains almost constant during a phase change (usually a transition between solid and liquid states) to achieve constant temperature control. Phase change thermostatic material is existing technology, low in cost, and needs to be refrigerated in a refrigerator when not in use. When in use, the phase change thermostatic pack 31 is simply placed within the partition of the lid 2. Since transportation is typically short-distance, the phase change thermostat 31 is sufficient, providing a longer cooling time compared to ice. The heat insulation pad 32, compared to the phase change thermostat 31 directly contacting the wall of the lid 2, maintains cooling for an even longer period. The heat insulation pad 32 is made of polyurethane foam or polystyrene foam, etc. The lid 2 is equipped with a plate or drawer to fix and limit the phase change thermostat 31, preventing it from falling out of the lid 2. This is existing technology and will not be described in detail here. Cold air is a descending airflow; therefore, several through holes 33 are provided on the bottom wall of the lid 2, allowing the cold air from the lid 2 to enter the storage box 1 for cooling.

[0018] As another embodiment, such as Figure 3 and Figure 4 As shown, the sample placement mechanism 4 of this application includes a placement box 41, which is disposed within a partition of the storage box 1. The placement box 41 contains a rack 42 for placing sample tubes. A limiting groove 43 is provided on the bottom wall of the placement box 41 to restrict the swinging of the sample tubes on the rack 42. A shock-absorbing mechanism 5 is located between the placement box 41 and the bottom wall of the storage box 1. Several perforations 44 are provided on the bottom wall of the placement box 41, spaced between the limiting grooves 43. Different colors can be used to distinguish soil samples, water samples, etc., and the placement boxes 41 are correspondingly colored to reduce the probability of sample cross-contamination. The rack 42 is detachably disposed within the placement box 41. A protrusion is provided on the inner wall of the placement box 41 for placing the rack 42, facilitating its removal and cleaning. The limiting groove 43 corresponds to the hole for placing the sample tubes, with the bottom end of the sample tube located within the limiting groove 43 to prevent tipping during transportation. The limiting groove 43 can be fitted with a cotton pad to provide cushioning. The perforation 44 allows cold air to pass through, cooling the sample tube.

[0019] As another embodiment, such as Figure 5 and Figure 6As shown, the shock-absorbing mechanism 5 of this application includes a support plate 51 and a retaining plate 52. The support plate 51 is vertically connected to the middle of the retaining plate 52. The bottom wall of the placement box 41 is movably fitted with the support plate 51, and the side wall of the placement box 41 is fitted with the top of the retaining plate 52. The support plate 51 and the retaining plate 52 are rotatably connected to the inner wall of the storage box 1 via a rotating shaft. An elastic element 53 is connected between the bottom end of the retaining plate 52 and the side wall of the placement box 41. The support plate 51 is perpendicular to the center of the retaining plate 52. The retaining plate 52 and the support plate 51 are integrally formed, welded, or heat-fused together, and different connection methods are adopted according to different materials. The clamping plate 52, the support plate 51, and the rotating shaft form a lever. Both ends of the rotating shaft are fixedly connected to the two inner sidewalls of the storage box 1. When the placement box 41 is pressed against the support plate 51, the clamping plate 52 tilts towards the side closer to the placement box 41, pressing the placement box 41 against it. Each placement box 41 is equipped with two sets of shock-absorbing mechanisms 5, with the clamping plate 52 clamping the placement box 41 from both sides. The elastic element 53 provides cushioning when shaking occurs during transportation. The elastic element 53 can be a spring, a cotton pad, or a cushioning material with diamond-shaped or other shaped holes, etc.

[0020] A limiting plate 54 is provided on the bottom end of the clamping plate 52 away from the elastic member 53, and the limiting plate 54 is connected to the bottom wall of the placement box 41. A first fastening strip 56 is connected to the top of the clamping plate 52 near the placement box 41, and a second fastening strip 57 is connected to the side of the placement box 41 near the clamping plate 52. The first fastening strip 56 and the second fastening strip 57 are movably fitted together. The first fastening strip 56 and the second fastening strip 57 can be made of silicone or a rigid material. In this application, a plastic with high toughness and hardness, such as polycarbonate, is used. The first fastening strip 56 and the second fastening strip 57 are thermally fused to the clamping plate 52 and the placement box 41. During the process of placing the placement box 41 into the storage box 1, the first fastening strip 56 and the second fastening strip 57 come into contact and press against each other. After passing through the second fastening strip 57, the box falls onto the support plate 51. Under the influence of the weight of the placement box 41, the top of the clamping plate 52 tilts towards the side near the placement box 41, clamping the placement box 41. The bottom end of the clamping plate 52 is offset toward the inner wall of the storage box 1 and compresses the elastic element 53. When the placement box 41 needs to be removed (such as for cleaning, washing, or removing it for easy access to test tubes), the second latch 57 of the placement box 41 contacts the first latch 56. At this time, the top of the clamping plate 52 tilts away from the placement box 41, but is limited by the limiting plate 54 (to prevent the placement box 41 from being bumped too much upwards during transportation, which could damage the test tubes). After the second latch 57 passes the first latch 56, the placement box 41 can be removed.

[0021] The above description is merely a preferred embodiment of this utility model and does not constitute any limitation on this utility model. Any person skilled in the art can make many possible variations and modifications to the technical solution of this utility model, or modify it into equivalent embodiments, without departing from the scope of the technical solution of this utility model. Therefore, any modifications, equivalent changes, and alterations made to the above embodiments based on the technology of this utility model without departing from the scope of the technical solution of this utility model shall fall within the protection scope of this technical solution.

Claims

1. On-site investigation equipment for environmental cases, including a storage box (1) for placing samples, wherein the top of the storage box (1) is provided with a box cover (2), characterized in that... The lid (2) is hollow and a refrigeration mechanism (3) is provided inside the lid (2). The storage box (1) is divided into several partitions by several partitions (11). Each partition is provided with a sample placement mechanism (4). A shock-absorbing mechanism (5) is provided between the bottom end of the sample placement mechanism (4) and the bottom wall of the storage box (1). The shock-absorbing mechanism (5) is used to dampen and limit the sample placement mechanism (4).

2. The on-site investigation equipment for environmental cases according to claim 1, characterized in that, The refrigeration mechanism (3) includes several phase change thermostatic packs (31). Several partitions are provided inside the box cover (2). Each phase change thermostatic pack (31) is placed in the corresponding partition. A heat insulation pad (32) is provided between the phase change thermostatic pack (31) and the top wall of the box cover (2). Several through holes (33) are opened on the bottom wall of the box cover (2). The through holes (33) are connected to the storage box (1). The partitions inside the box cover (2) correspond to the partitions inside the storage box (1).

3. The on-site investigation equipment for environmental cases according to claim 2, characterized in that, The sample placement mechanism (4) includes a placement box (41), which is located in a partition of the storage box (1). The placement box (41) is provided with a placement rack (42) for placing sample tubes. The bottom wall of the placement box (41) is provided with a limiting groove (43) to restrict the sample tubes from swinging on the placement rack (42). The shock absorption mechanism (5) is located between the placement box (41) and the bottom wall of the storage box (1).

4. The on-site investigation equipment for environmental cases according to claim 3, characterized in that, The shock-absorbing mechanism (5) includes a support plate (51) and a retaining plate (52). The support plate (51) is vertically connected to the middle of the retaining plate (52). The bottom wall of the placement box (41) is movably attached to the support plate (51). The side wall of the placement box (41) is attached to the top of the retaining plate (52). The support plate (51) and the retaining plate (52) are rotatably connected to the inner wall of the storage box (1) through a rotating shaft. An elastic element (53) is connected between the bottom end of the retaining plate (52) and the side wall of the placement box (41).

5. The on-site investigation equipment for environmental cases according to claim 4, characterized in that, A limiting plate (54) is provided on the side of the bottom end of the abutment plate (52) away from the elastic member (53), and the limiting plate (54) is connected to the bottom wall of the placement box (41).

6. The on-site investigation equipment for environmental cases according to claim 5, characterized in that, The top of the abutment plate (52) is connected to a first fastener (56) on the side near the placement box (41), and the side of the placement box (41) near the abutment plate (52) is connected to a second fastener (57). The first fastener (56) and the second fastener (57) are movably attached to each other.

7. The on-site investigation equipment for environmental cases according to claim 3, characterized in that, The bottom wall of the placement box (41) is provided with a plurality of perforations (44), which are located between the intervals of the limiting groove (43).

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