German cockroach test insect fixing device
By designing a German cockroach test insect fixation device that includes a plate, a pressure plate, and a clamping and fixing component, and utilizing the cooperation of a permanent magnet and a plug, the device achieves precise positioning and stable clamping of the test insects. This solves the health hazards of anesthetics to operators and the problem of test insects escaping, and ensures the accuracy of drug dripping and the continuity of experiments.
Patent Information
- Application Number
- CN202520352422.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-03
AI Technical Summary
Existing technologies for detecting cockroach resistance in Germany suffer from problems such as health hazards of anesthetics to operators, difficulty in controlling anesthetic dosage, insect escape, and experimental interruption.
A fixing device comprising a plate, a pressure plate, and a clamping and fixing component was designed. By using the cooperation of a permanent magnet and a plug rod, the test insects are accurately positioned and securely clamped. The clamping plate is designed to adapt to the body shape of the test insects, reducing damage.
This method enables precise application of the drug solution, reduces health hazards to operators, ensures the continuity and accuracy of experiments, prevents test insects from escaping, and improves experimental safety.
Smart Images
Figure CN223844710U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the Blattella germanica biological assay technical field, concretely is a Blattella germanica test insect fixing device. BACKGROUND
[0002] The Blattella germanica test insect fixing device is a commonly used equipment in entomology research and experiment, which is used for fixing and limiting the activity range of small insects such as Blattella germanica, so as to be observed and experimented.
[0003] According to GB / T26352-2010 "cockroach resistance detection method Blattella germanica biological assay", when the resistance detection test of Blattella germanica is carried out by using the point dripping method, the prepared different series concentration liquid medicine (sensitivity baseline method) or diagnostic dose liquid medicine (diagnostic dose method) is dripped on the chest plate between the 2nd and 3rd tarsal joints of the male adult Blattella germanica. In the actual operation process of resistance detection, the test insects are anesthetized by carbon dioxide or ether, and the liquid medicine is dripped on the specified position. However, this method of treating test insects has some problems that are not conducive to operation: first, the reagent has certain harmfulness to the health of the test operation personnel, especially when the detection task is heavy and a plurality of reagents need to be detected each time, long-term exposure will seriously affect the health of the experimental operation personnel; second, the anesthetic amount of the reagent cannot be accurately controlled, and a large dose will cause the test insects to be unable to recover normally or even die after dripping, affecting the experimental results, and a small dose will cause the test insects to recover normally and run around during the experimental dripping process, not only interrupting the experiment, but also causing unnecessary biological safety problems if the test insects escape in the laboratory. Therefore, a Blattella germanica test insect fixing device is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL
[0004] (I) Technical problem solved
[0005] In view of the deficiencies in the prior art, the utility model provides a Blattella germanica test insect fixing device, which has the advantages of convenient positioning of the experimental operator during the dripping operation process, accurate dripping of the liquid medicine to the position required by the national standard, and solving the problems of physical injury of anesthetics to the experimental personnel and deviation of the dripping position caused by the struggle of Blattella germanica.
[0006] (II) Technical scheme
[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0008] A Blattella germanica test insect fixing device, comprising a plate body, a pressing plate and a clamping and fixing assembly, two symmetrical side plates are welded on the top of the plate body, two pressing plates are arranged on the top of the two side plates, and a set of clamping and fixing assemblies are arranged inside and at the bottom of each pressing plate.
[0009] The clamping and fixing assembly comprises an adjusting rod, two moving blocks and two clamping plates, a rectangular adjusting groove is formed in the inside of the pressing plate, the adjusting rod is installed in the middle of the rectangular adjusting groove, the two moving blocks are symmetrically distributed in the inside of the rectangular adjusting groove, a sliding block is welded to the top and the bottom of each moving block, and two clamping plates are welded to the middle of the bottom end of the sliding blocks at the bottom of the two moving blocks.
[0010] As a preferred technical scheme of the utility model, a group of adjusting grooves arranged at equal intervals are formed in the top of the two side plates, a permanent magnet is installed in each adjusting groove, and two symmetrically distributed inserting rods are welded to the bottom of the pressing plate and correspond to the two groups of adjusting grooves.
[0011] As a preferred technical scheme of the utility model, an iron block is installed at the bottom end of the two inserting rods, the two adjusting grooves on the same longitudinal direction of the two inserting rods are inserted, and the iron block at the bottom end of the inserting rod is attracted to the permanent magnet in the adjusting groove.
[0012] As a preferred technical scheme of the utility model, a longitudinal sliding groove is formed in the middle of the top surface and the bottom surface of the pressing plate, and the sliding blocks at the top and the bottom of the moving block are slidably connected with the sliding groove.
[0013] As a preferred technical scheme of the utility model, a top end of the sliding block at the top of the moving block is welded with a prompt plate, a clamping block is welded to the side of each clamping plate that is close to each other, and the side of the clamping block that is away from the clamping plate is arc-shaped.
[0014] As a preferred technical scheme of the utility model, a rotating part is welded to one end of the adjusting rod after the end of the adjusting rod passes through the end part of the pressing plate, bearings are fixedly installed on the outside of the end of the adjusting rod that passes through the pressing plate and the outside of the other end of the adjusting rod, and the adjusting rod is rotatably connected with the pressing plate through the bearings.
[0015] (Three) beneficial effects
[0016] Compared with the prior art, the utility model provides a blattella germanica test insect fixing device, has the following beneficial effects:
[0017] The blattella germanica test insect fixing device, through the design of the adjusting groove and the inserting rod and the attraction between the iron block at the bottom end of the inserting rod and the permanent magnet, not only facilitates the quick fixing mode of the pressing plate, but also enables the position of the pressing plate to be adjusted as required, increases the flexibility of the device, the clamping and fixing assembly in the inside of the pressing plate utilizes the rotation of the adjusting rod to drive the two moving blocks to slide in the rectangular adjusting groove, and then clamps and fixes the test insect through the clamping plate connected at the bottom, the sliding connection between the sliding groove on the pressing plate and the sliding block on the moving block ensures the stability of the movement of the moving block, the setting of the prompt plate facilitates the feedback of the moving position of the moving block, so as to judge the clamping force of the clamping plate, and the arc-shaped design of the clamping block can better adapt to the body shape of the test insect and reduce the damage to the test insect. Attached Figure Description
[0018] Fig. 1 This is a schematic diagram of the structure of this utility model;
[0019] Fig. 2 This is a schematic diagram of the internal structure of the pressure plate of this utility model;
[0020] Fig. 3 This is a view of the appearance of this utility model.
[0021] In the diagram: 1. Plate; 2. Side plate; 3. Pressure plate; 4. Adjustment groove; 5. Insert rod; 6. Iron block; 7. Adjustment rod; 8. Moving block; 9. Sliding block; 10. Indication plate; 11. Clamping plate; 12. Clamping block; 13. Rotating part; 14. Bearing; 15. Slide groove. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 this utility model 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 this utility model.
[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly 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 direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0025] Please see Figs. 1-3 A German cockroach test insect fixing device includes a plate body 1, a pressure plate 3 and a clamping and fixing assembly. Two symmetrically distributed side plates 2 are welded to the top of the plate body 1. Two pressure plates 3 are provided and are installed on the top of the two side plates 2. Each pressure plate 3 has a set of clamping and fixing assemblies inside and at its bottom.
[0026] The clamping and fixing assembly comprises an adjusting rod 7, two moving blocks 8 and two clamping plates 11. The inside of the pressing plate 3 is provided with a rectangular adjusting groove, the adjusting rod 7 is installed in the middle of the rectangular adjusting groove, and the two moving blocks 8 are symmetrically distributed inside the rectangular adjusting groove. The top and bottom of each moving block 8 is welded with a sliding block 9, and the two clamping plates 11 are welded in the middle of the bottom end of the sliding block 9 at the bottom of the two moving blocks 8.
[0027] In this embodiment, the top of the two side plates 2 is provided with a group of adjusting grooves 4 arranged at equal intervals, and a permanent magnet is installed in each adjusting groove 4. The bottom of the pressing plate 3 is welded with two symmetrically distributed insertion rods 5 at the corresponding positions of the two groups of adjusting grooves 4.
[0028] It should be noted that the equal interval arrangement of the adjusting grooves 4 allows the insertion rod 5 to be adjusted according to the actual situation, thereby allowing the position of the pressing plate 3 in the horizontal direction to be adjusted to adapt to different sizes of test insects or experimental requirements. The installation of the permanent magnet provides a force that attracts the iron block 6 at the bottom end of the insertion rod 5, ensuring the stable fixation of the pressing plate 3 at the selected position.
[0029] In this embodiment, the bottom end of the two insertion rods 5 is provided with an iron block 6, and the two insertion rods 5 are inserted into the two adjusting grooves 4 in the same longitudinal direction, and the iron block 6 at the bottom end of the insertion rod 5 is attracted to the permanent magnet in the adjusting groove 4.
[0030] In this embodiment, the top surface and the bottom surface of the pressing plate 3 are provided with longitudinal sliding grooves 15 in the middle, and the sliding blocks 9 at the top and bottom of the moving block 8 are slidingly connected with the sliding grooves 15.
[0031] It should be noted that the sliding connection of the sliding grooves 15 and the sliding blocks 9 provides stable guidance for the moving block 8, ensuring that the moving block 8 can move smoothly along a straight line when the adjusting rod 7 rotates, thereby driving the clamping plate 11 to uniformly clamp the test insects.
[0032] In this embodiment, the top end of the sliding block 9 at the top of the moving block 8 is welded with a prompt plate 10, and the two clamping plates 11 are welded with a clamping block 12 on the side close to each other. The side of the clamping block 12 away from the clamping plate 11 is arc-shaped.
[0033] It should be noted that the setting of the prompt plate 10 allows the experimenter to visually observe the moving position of the moving block 8, thereby adjusting the clamping force of the clamping plate 11 according to the experimental requirements. The arc-shaped design of the clamping block 12 can better fit the body shape of the test insects, reducing the pressure and damage to the test insects during clamping.
[0034] In this embodiment, one end of the adjusting rod 7 is welded with a rotating part 13 after penetrating through the end part of the pressing plate 3. The outside of the adjusting rod 7 at the position penetrating through the pressing plate 3, and the outside of the other end of the adjusting rod 7, are both fixedly installed with bearings 14, and are rotatably connected with the pressing plate 3 through the bearings 14.
[0035] Advantages:
[0036] The Blattella germanica test insect fixing device, through the design of the adjusting groove 4 and the inserting rod 5, and the attraction between the iron block 6 at the bottom end of the inserting rod 5 and the permanent magnet, not only facilitates the quick fixing mode of the pressing plate 3, but also enables the position of the pressing plate 3 to be adjusted as required, thereby increasing the flexibility of the device; the clamping and fixing assembly in the pressing plate 3 utilizes the rotation of the adjusting rod 7 to drive the two moving blocks 8 to slide in the rectangular adjusting groove, and then clamps and fixes the test insect through the clamping plate 11 connected at the bottom, the sliding groove 15 on the pressing plate 3 and the sliding block 9 on the moving block 8 are in sliding connection, which ensures the stability of the movement of the moving block 8, the setting of the prompt plate 10 facilitates the feedback of the moving position of the moving block 8, so as to judge the clamping force of the clamping plate 11, and the arc-shaped design of the clamping block 12 can better adapt to the body type of the test insect and reduce the damage to the test insect.
[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A Blattella germanica insect fixation device, comprising a plate body (1), a pressing plate (3) and a clamping fixing assembly, two symmetrical side plates (2) are welded on the top of the plate body (1), two pressing plates (3) are arranged on the top of the two side plates (2), and a group of clamping fixing assemblies are arranged on the inside and the bottom of each pressing plate (3). characterized in that The clamping fixing assembly comprises an adjusting rod (7), two moving blocks (8) and two clamping plates (11), a rectangular adjusting groove is formed in the inside of the pressing plate (3), the adjusting rod (7) is arranged in the middle of the rectangular adjusting groove, the two moving blocks (8) are symmetrically arranged in the inside of the rectangular adjusting groove, the top and the bottom of each moving block (8) are welded with a sliding block (9), and the two clamping plates (11) are welded on the bottom end of the sliding blocks (9) at the bottom of the two moving blocks (8).
2. The Blattella germanica insect immobilization device of claim 1, wherein: A group of adjusting grooves (4) are arranged on the top of the two side plates (2) at equal intervals, a permanent magnet is arranged in each adjusting groove (4), and two symmetrically distributed plug rods (5) are welded on the bottom of the pressing plate (3) corresponding to the two groups of adjusting grooves (4).
3. The Blattella germanica insect immobilization device of claim 2, wherein: Iron blocks (6) are arranged on the bottom end of the two plug rods (5), the two adjusting grooves (4) on the same longitudinal direction of the two plug rods (5) are inserted, and the iron blocks (6) on the bottom end of the plug rods (5) are attracted to the permanent magnets in the adjusting grooves (4).
4. The Blattella germanica insect immobilization device of claim 1, wherein: Sliding grooves (15) are arranged on the top surface and the bottom surface of the pressing plate (3), and the sliding blocks (9) on the top and the bottom of the moving block (8) are slidably connected with the sliding grooves (15).
5. The Blattella germanica insect immobilization device of claim 1, wherein: The top end of the sliding block (9) on the top of the moving block (8) is welded with a prompt plate (10), the clamping blocks (12) are welded on the side of the two clamping plates (11) close to each other, and the side, away from the clamping plate (11), of the clamping block (12) is arc-shaped.
6. The Blattella germanica insect immobilization device of claim 1, wherein: The end of the adjusting rod (7) is welded with a rotating part (13) after penetrating through the end of the pressing plate (3), bearings (14) are fixedly arranged on the outside of the end of the adjusting rod (7) penetrating through the pressing plate (3) and the outside of the other end of the adjusting rod (7), and the adjusting rod (7) is rotatably connected with the pressing plate (3) through the bearings (14).