Particle size distribution instrument for pesticide detection

Abstract

The utility model relates to the technical field of particle size distribution instruments, and discloses a particle size distribution instrument for pesticide detection, which comprises a distribution instrument main body, a placing groove is arranged on the distribution instrument main body, a movable box is arranged in the placing groove, and a liquid inlet pipe and a liquid outlet pipe are fixedly arranged on the right side wall of the movable box. A fixed cover is fixedly mounted on the top surface of the distribution instrument main body, a rotating handle is movably mounted on the left side of the fixed cover, a mounting groove is formed in a movable box, and a sample pool is arranged in the mounting groove. The movable box is moved back into the containing groove, the rotating handle is rotated in the forward direction to drive the worm to control the worm gear so that the rotating rod can rotate, the threaded groove in the rotating rod can control the adjusting blocks on the two sides to gather towards the middle, the tops of the adjusting blocks can push the clamping blocks to move outwards, and at the moment, the clamping blocks can be clamped into the fixing groove to clamp the movable box; the movable box is fixed, so that the sample pool is convenient to disassemble and assemble, and the influence on the use efficiency of an instrument is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of particle size distribution instruments, in particular to a particle size distribution instrument for pesticide detection. Background Art

[0002] The laser particle analyzer is an instrument that tests particle size distribution based on the physical phenomenon that particles can cause laser scattering. It also plays a certain role in the pesticide testing process and can detect the distribution of particle size in suspended pesticides.

[0003] An existing particle size distribution analyzer for pesticide testing (Announcement No.: CN219302221U) has at least the following disadvantages: when testing different pesticide samples, the operator needs to remove the sample cell and clean it before continuing the test. The sample cell of the particle size distribution analyzer is generally placed deep inside the instrument. Disassembly and assembly of the sample cell takes a certain amount of time, which will affect the efficiency of the instrument. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a particle size distribution instrument for pesticide detection.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A particle size distribution instrument for pesticide detection includes a distribution instrument body, a placement slot is provided on the distribution instrument body, a movable box is provided in the placement slot, a liquid inlet pipe and a liquid discharge pipe are fixedly installed on the right side wall of the movable box, a fixed cover is fixedly installed on the top surface of the distribution instrument body, a rotating handle is movably installed on the left side of the fixed cover, an installation slot is provided on the movable box, a sample pool is provided in the installation slot, and a fixed block is fixedly connected to the outside of the sample pool.

[0007] As a further solution of the present invention, a movable groove is provided on the side wall of the placement groove, a clamping block is movably installed in the movable groove, a rotating rod is provided on the left side of the clamping block, and the rotating rod is movably installed in the distributor body, opposite thread grooves are provided on both sides of the rotating rod, an adjustment block is provided on the thread groove, and the adjustment block is threadedly connected to the thread groove, a sliding groove is provided on the left side of the clamping block, and the right end of the adjustment block can be movably clamped in the sliding groove, and clamping grooves are provided on both sides of the movable groove, and the protrusions on both sides of the clamping block are movably engaged in the clamping grooves, and a tension spring is fixedly installed between the protrusions on both sides of the clamping block and the clamping grooves.

[0008] As a further solution of the present invention, a worm is movably installed in the fixed cover, the left end of the worm is fixedly connected to the rotating handle, a worm wheel is provided below the worm at a position corresponding to the rotating rod, the worm wheel is engaged with the worm, and the rotating rod penetrates the distribution instrument body and is fixedly connected to the worm wheel.

[0009] As a further solution of the present invention, the liquid inlet pipe and the liquid discharge pipe penetrate the movable box and extend to the installation groove, and a connecting groove is provided on the cover of the sample pool at the position corresponding to the liquid inlet pipe and the liquid discharge pipe, and the connecting groove can be sleeved on the outside of the liquid inlet pipe and the liquid discharge pipe, and a limiting block is movably installed on the top of the movable box, and the limiting block penetrates the movable box and extends to the installation groove, and a limiting groove is provided on the fixed block at the position corresponding to the limiting block, and the bottom of the limiting block can be movably stuck in the limiting groove.

[0010] As a further solution of the present invention, fixing grooves are provided on both sides of the movable box at positions corresponding to the clamping blocks, and the clamping blocks can be movably inserted into the fixing grooves.

[0011] As a further solution of the present invention, a sealing gasket is fixedly installed on the side wall of the installation groove at the position corresponding to the liquid inlet pipe and the liquid discharge pipe, and the sealing gasket is sleeved on the outside of the liquid inlet pipe and the liquid discharge pipe.

[0012] As a further solution of the present invention, a handle is fixedly installed on the outer side of the movable box.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The worm gear is driven by the worm gear to rotate the rotating rod, and the threaded groove on the rotating rod controls the adjusting blocks on both sides to gather toward the middle, and the top of the adjusting block pushes the clamping block to move outward, and the clamping block is then clamped into the fixed groove to clamp the movable box and fix the movable box, thereby facilitating the disassembly and assembly of the sample cell and avoiding affecting the efficiency of the instrument. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a particle size distribution instrument for pesticide detection proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of a particle size distribution instrument for pesticide detection proposed by the utility model;

[0017] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle;

[0018] Figure 4 This is a schematic diagram of the partially disassembled structure of a particle size distribution analyzer for pesticide detection proposed by the utility model.

[0019] In the figure: 1. Distributor body; 2. Placement slot; 3. Movable box; 4. Handle; 5. Liquid inlet pipe; 6. Liquid discharge pipe; 7. Fixed cover; 8. Rotating handle; 9. Clamping block; 10. Slot; 11. Tension spring; 12. Rotating rod; 13. Threaded groove; 14. Adjusting block; 15. Slide groove; 16. Worm gear; 17. Worm; 18. Movable slot; 19. Fixed slot; 20. Sealing gasket; 21. Mounting slot; 22. Limit block; 23. Limit slot; 24. Connecting slot; 25. Sample cell; 26. Fixed block. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0023] Reference Figure 1 - Figure 4A particle size distribution instrument for pesticide detection includes a distribution instrument body 1, a placement slot 2 is provided on the distribution instrument body 1, a movable box 3 is provided in the placement slot 2, a liquid inlet pipe 5 and a liquid discharge pipe 6 are fixedly installed on the right side wall of the movable box 3, a fixed cover 7 is fixedly installed on the top surface of the distribution instrument body 1, a rotating handle 8 is movably installed on the left side of the fixed cover 7, an installation slot 21 is provided on the movable box 3, a sample pool 25 is provided in the installation slot 21, and a fixed block 26 is fixedly connected to the outer side of the sample pool 25.

[0024] In this embodiment, a movable groove 18 is provided on the side wall of the placement groove 2, and a clamping block 9 is movably installed in the movable groove 18. A rotating rod 12 is provided on the left side of the clamping block 9, and the rotating rod 12 is movably installed in the distributor body 1. Opposite thread grooves 13 are provided on both sides of the rotating rod 12, and an adjusting block 14 is provided on the thread groove 13. The adjusting block 14 is threadedly connected to the thread groove 13. A sliding groove 15 is provided on the left side of the clamping block 9, and the right end of the adjusting block 14 can be movably clamped in the sliding groove 15. Card slots 10 are provided on both sides of the movable groove 18, and the protrusions on both sides of the clamping block 9 are movably engaged in the card slots 10. A tension spring 11 is fixedly installed between the protrusions on both sides of the clamping block 9 and the card slots 10.

[0025] In this embodiment, a worm 17 is movably installed in the fixed cover 7, the left end of the worm 17 is fixedly connected to the rotating handle 8, and a worm wheel 16 is provided below the worm 17 at a position corresponding to the rotating rod 12. The worm wheel 16 is engaged with the worm 17, and the rotating rod 12 penetrates the distribution instrument body 1 and is fixedly connected to the worm wheel 16.

[0026] In this embodiment, the liquid inlet pipe 5 and the liquid discharge pipe 6 penetrate the movable box 3 and extend to the installation groove 21. A connecting groove 24 is provided on the cover of the sample pool 25 at the position corresponding to the liquid inlet pipe 5 and the liquid discharge pipe 6. The connecting groove 24 can be sleeved on the outside of the liquid inlet pipe 5 and the liquid discharge pipe 6. A limiting block 22 is movably installed on the top of the movable box 3. The limiting block 22 penetrates the movable box 3 and extends to the installation groove 21. A limiting groove 23 is provided on the fixed block 26 at the position corresponding to the limiting block 22. The bottom of the limiting block 22 can be movably stuck in the limiting groove 23.

[0027] In this embodiment, fixing grooves 19 are provided on both sides of the movable box 3 at positions corresponding to the clamping blocks 9 , and the clamping blocks 9 can be movably inserted into the fixing grooves 19 .

[0028] In this embodiment, a sealing gasket 20 is fixedly installed on the side wall of the installation groove 21 at positions corresponding to the liquid inlet pipe 5 and the liquid discharge pipe 6 , and the sealing gasket 20 is sleeved on the outside of the liquid inlet pipe 5 and the liquid discharge pipe 6 .

[0029] In this embodiment, a handle 4 is fixedly mounted on the outer side of the movable box 3 .

[0030] From the above description, it can be seen that the above embodiment of the present invention achieves the following technical effects: when disassembling and cleaning, the worm 17 is driven to rotate by rotating the rotating handle 8 in the opposite direction, and the worm 17 can drive the worm gear 16 to rotate, and the worm gear 16 will drive the rotating rod 12 to rotate, and the threaded groove 13 on the rotating rod 12 can control the adjustment block 14 to move to both sides of the clamping block 9. At this time, the tension spring 11 in the card slot 10 will pull the clamping block 9 into the movable groove 18, and then the movable box 3 with the sample cell 25 can be quickly taken out from the placement slot 2 by pulling the handle 4, and then the limit block 22 is lifted upwards, and then the outer side of the fixed block 26 is held and pulled to remove the sample cell 25 from the installation slot 21, thereby achieving the effect of quickly dismantling the sample cell 25.

[0031] During installation, align the connecting groove 24 on the cover of the sample pool 25 with the liquid inlet pipe 5 and the liquid discharge pipe 6 on the side wall of the installation groove 21, and finally push the sample pool 25 into the installation groove 21, and put the connecting groove 24 on the outside of the liquid inlet pipe 5 and the liquid discharge pipe 6. The sealing gasket 20 can increase the sealing between the connecting groove 24 and the liquid inlet pipe 5 and the liquid discharge pipe 6. Then, insert the limit block 22 into the movable box 3, and gravity will cause the bottom of the limit block 22 to automatically fall into the limit groove 23 to limit the fixing block 26, thereby quickly fixing the sample pool 25 in place. The movable box 3 is then moved back to the placement slot 2. The worm 17 is driven by the forward rotation of the rotating handle 8 to control the worm wheel 16 to rotate the rotating rod 12. At this time, the threaded groove 13 on the rotating rod 12 will control the adjusting blocks 14 on both sides to gather toward the middle. At this time, the top of the adjusting block 14 will push the clamping block 9 to move outward, and the clamping block 9 will be stuck in the fixed grooves 19 on both sides of the movable box 3 to clamp the movable box 3, thereby fixing the movable box 3 to prevent the movable box 3 from shaking and touching the optical path system on both sides, affecting the service life of the instrument.

[0032] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A particle size distribution instrument for pesticide detection, comprising a distribution instrument body (1), characterized in that: The distribution instrument body (1) is provided with a placement groove (2), a movable box (3) is provided in the placement groove (2), a liquid inlet pipe (5) and a liquid discharge pipe (6) are fixedly installed on the right side wall of the movable box (3), a fixed cover (7) is fixedly installed on the top surface of the distribution instrument body (1), a rotating handle (8) is movably installed on the left side of the fixed cover (7), a mounting groove (21) is provided on the movable box (3), a sample pool (25) is provided in the mounting groove (21), and a fixed block (26) is fixedly connected to the outer side of the sample pool (25).

2. A particle size distribution instrument for pesticide detection according to claim 1, characterized in that, A movable groove (18) is provided on the side wall of the placement groove (2), and a clamping block (9) is movably installed in the movable groove (18). A rotating rod (12) is provided on the left side of the clamping block (9), and the rotating rod (12) is movably installed in the distributor body (1). Opposite thread grooves (13) are provided on both sides of the rotating rod (12), and an adjusting block (14) is provided on the thread groove (13). The adjusting block (14) is threadedly connected to the thread groove (13). A sliding groove (15) is provided on the left side of the clamping block (9), and the right end of the adjusting block (14) can be movably clamped in the sliding groove (15). Card slots (10) are provided on both sides of the movable groove (18), and the protrusions on both sides of the clamping block (9) are movably clamped in the card slots (10). Tension springs (11) are fixedly installed between the protrusions on both sides of the clamping block (9) and the card slots (10).

3. A particle size distribution instrument for pesticide detection according to claim 1, characterized in that: A worm (17) is movably installed in the fixed cover (7), the left end of the worm (17) is fixedly connected to the rotating handle (8), a worm wheel (16) is provided below the worm (17) at a position corresponding to the rotating rod (12), the worm wheel (16) and the worm (17) are meshed, and the rotating rod (12) penetrates the distribution instrument body (1) and is fixedly connected to the worm wheel (16).

4. A particle size distribution instrument for pesticide detection according to claim 1, characterized in that: The liquid inlet pipe (5) and the liquid discharge pipe (6) penetrate the movable box (3) and extend to the installation groove (21); a connection groove (24) is provided on the cover of the sample pool (25) at positions corresponding to the liquid inlet pipe (5) and the liquid discharge pipe (6); the connection groove (24) can be sleeved on the outside of the liquid inlet pipe (5) and the liquid discharge pipe (6); a limit block (22) is movably installed on the top of the movable box (3); the limit block (22) penetrates the movable box (3) and extends to the installation groove (21); a limit groove (23) is provided on the fixed block (26) at a position corresponding to the limit block (22); the bottom of the limit block (22) can be movably stuck in the limit groove (23).

5. A particle size distribution instrument for pesticide detection according to claim 1, characterized in that: Fixed grooves (19) are provided on both sides of the movable box (3) at positions corresponding to the clamping blocks (9), and the clamping blocks (9) can be movably inserted into the fixed grooves (19).

6. A particle size distribution analyzer for pesticide detection according to claim 4, characterized in that: A sealing gasket (20) is fixedly installed on the side wall of the installation groove (21) at positions corresponding to the liquid inlet pipe (5) and the liquid discharge pipe (6), and the sealing gasket (20) is sleeved on the outside of the liquid inlet pipe (5) and the liquid discharge pipe (6).

7. A particle size distribution analyzer for pesticide detection according to claim 1, characterized in that: A handle (4) is fixedly mounted on the outer side of the movable box (3).

Images