CN-224219234-U - Indoor biological assay device for pesticides

CN224219234UCN 224219234 UCN224219234 UCN 224219234UCN-224219234-U

Abstract

The utility model discloses an indoor biological assay device for pesticides, which relates to the technical field of biological assay and comprises a biological assay cylinder, wherein the inner wall of the biological assay cylinder is fixedly connected with a planting pot, the bottom surface of the biological assay cylinder is fixedly connected with a tripod, the bottom surface of a sealing cover is propped against the inner wall of a limiting groove through a sealing component, so that the biological assay cylinder is conveniently sealed, meanwhile, insects are blocked to have good permeability through a nylon gauze, the influence on biological growth in the biological assay cylinder is avoided, the water is conveniently added into the biological assay cylinder when the sealing cover is not opened through an external water adding component, the escape of an insect machine in the biological assay cylinder when the sealing cover is not opened is avoided, meanwhile, the flow rate of added water is conveniently controlled through the mutual cooperation of a limiting block, a threaded column and an extruding block, and the accuracy of water addition is improved.

Inventors

GUAN RUOBING
LI XIANG
ZHAI QING
ZHAO WENLI

Assignees

河南农业大学

Dates

Publication Date: 20260512
Application Date: 20250605

Claims (6)

1. The indoor biological assay device for pesticides comprises a biological assay cylinder (1) and is characterized in that a planting pot (2) is fixedly connected to the inner wall of the biological assay cylinder (1), a tripod (3) is fixedly connected to the bottom surface of the biological assay cylinder (1), an external water adding component (4) is arranged on the surface of the planting pot (2), a sealing component (5) is arranged on the top surface of the biological assay cylinder (1), and a collecting component (6) is arranged on the bottom surface of the planting pot (2); External water adding component (4) includes water storage box (401), water storage box (401) fixed connection is at the surface of planting alms bowl (2), a plurality of inlet openings (402) have been seted up to the inner wall of planting alms bowl (2), the bottom surface fixedly connected with mount (403) of tripod (3), the lateral wall fixedly connected with of mount (403) adds water box (404), the inner wall fixedly connected with coupling hose (405) of water box (404), the surface of coupling hose (405) and the inner wall fixed connection of water storage box (401).
2. The indoor biological assay device for pesticides of claim 1, wherein the sealing assembly (5) comprises a sealing cover (501), the sealing cover (501) is arranged on the top surface of the raw measurement cylinder (1), the nylon gauze (502) is fixedly connected to the inner wall of the sealing cover (501), the top surface of the raw measurement cylinder (1) is provided with a limit groove (505), the lower end of the sealing cover (501) is propped against the inner wall of the limit groove (505), and the raw measurement cylinder (1) and the sealing cover (501) are made of acrylic materials.
3. The indoor bioassay device for pesticides according to claim 1, wherein the collecting assembly (6) comprises a connecting frame (601), the connecting frame (601) is arranged on the bottom surface of the planting pot (2), the connecting frame (601) is fixedly connected with the tripod (3), the inner wall of the connecting frame (601) is slidably connected with a sliding column (602), the lower end of the sliding column (602) is fixedly connected with a compression spring (603), a collecting box (604) is arranged on the top surface of the sliding column (602), and the upper end of the collecting box (604) abuts against the lower end of the planting pot (2).
4. The indoor biological assay device for pesticides of claim 1, wherein the surface of the connecting hose (405) is sleeved with a constraint block (406), the inner wall of the constraint block (406) is provided with a sliding groove (407), the inner wall of the sliding groove (407) is provided with a threaded hole (408), the inner wall of the threaded hole (408) is in threaded connection with a threaded column (409), and the inner wall of the sliding groove (407) is in sliding connection with an extrusion block (410).
5. The indoor bioassay device for agricultural chemicals as set forth in claim 4, wherein the side wall of the extrusion block (410) is fixedly connected with a contact head (411), the contact head (411) is made of rubber material, and the surface of the threaded column (409) is rotatably connected with the extrusion block (410).
6. The indoor biological assay device for pesticides of claim 2, wherein the upper end of the sealing cover (501) is provided with a fixing groove (503), and the inner wall of the fixing groove (503) is fixedly connected with a balancing weight (504).

Description

Indoor biological assay device for pesticides Technical Field The utility model relates to the technical field of biological assay, in particular to an indoor biological assay device for pesticides. Background In the field of pesticide research and development and effect evaluation, indoor bioassays are key links for verifying pesticide activity, toxicity and action mechanism, and along with the deepening of green agriculture and accurate plant protection concepts, the accuracy, repeatability and timeliness of bioassays are increasingly severely required. However, the conventional bioassay device mostly adopts a simple sealed container or an open culture dish to prevent insects from escaping through capping, sealing glue and other modes, but simultaneously blocks air circulation, so that insufficient oxygen and too high carbon dioxide concentration in a test space are easily caused, abnormal physiological states of the insects or plant growth are restrained, and secondly, although a part of the bioassay device is provided with vent holes, the aperture is too large or lack of protective measures, the insects are difficult to effectively prevent from escaping, and furthermore, a moisture management mechanism is absent, excessive watering is easy to cause ponding and rot, drought can influence bioactivity, and leakage problems can cause cross contamination of different test groups and interfere with measurement results, so that a bioassay device which can be used in a pesticide room is needed to solve the problems. Disclosure of utility model The utility model aims to provide an indoor biological assay device for pesticides, which is used for solving the problems that the existing biological assay provided in the background art is low in accuracy, the accuracy of biological assay is influenced by insect escape, but the growth of insects and plants is influenced by ventilation and water leakage under the condition of ensuring that the insects do not escape, and the accuracy and the effectiveness of biological assay are further influenced. The technical scheme includes that the indoor biological testing device for pesticides comprises a raw testing cylinder, wherein a planting pot is fixedly connected to the inner wall of the raw testing cylinder, a tripod is fixedly connected to the bottom surface of the raw testing cylinder, an external water adding component is arranged on the surface of the planting pot, a sealing component is arranged on the top surface of the raw testing cylinder, and a collecting component is arranged on the bottom surface of the planting pot; The external water adding assembly comprises a water storage box, the water storage box is fixedly connected to the surface of a planting pot, a plurality of water inlets are formed in the inner wall of the planting pot, a fixing frame is fixedly connected to the bottom surface of the tripod, a water adding box is fixedly connected to the side wall of the fixing frame, a connecting hose is fixedly connected to the inner wall of the water adding box, and the surface of the connecting hose is fixedly connected with the inner wall of the water storage box. Preferably, the sealing assembly comprises a sealing cover, the sealing cover is arranged on the top surface of the raw measurement cylinder, the nylon gauze is fixedly connected to the inner wall of the sealing cover, a limit groove is formed in the top surface of the raw measurement cylinder, the lower end of the sealing cover abuts against the inner wall of the limit groove, and the raw measurement cylinder and the sealing cover are made of acrylic materials. Preferably, the collecting assembly comprises a connecting frame, the connecting frame is arranged on the bottom surface of the planting pot, the connecting frame is fixedly connected with the tripod, the inner wall of the connecting frame is slidably connected with a sliding column, the lower end of the sliding column is fixedly connected with a compression spring, the top surface of the sliding column is provided with a collecting box, and the upper end of the collecting box is propped against the lower end of the planting pot. Preferably, the surface cover of coupling hose is equipped with the restriction piece, the sliding tray has been seted up to the inner wall of restriction piece, the screw hole has been seted up to the inner wall of sliding tray, the inner wall threaded connection of screw hole has the screw post, the inner wall sliding connection of sliding tray has the extrusion piece. Preferably, the side wall fixedly connected with contact head of extrusion piece, the contact head is the rubber material, the surface and the extrusion piece rotation of screw thread post are connected. Preferably, a fixing groove is formed in the upper end of the sealing cover, and a balancing weight is fixedly connected to the inner wall of the fixing groove. Compared with the prior art, the utility model has the beneficial effects that: Through t