CN219399195U - Agricultural product detection sample two-stage filter of arranging sediment fast - Google Patents

Abstract

The utility model provides a two-stage filter for an agricultural product detection sample with rapid deslagging, which has the functions of rapidly discharging residual sample solution in residues, and comprises a shell, wherein the upper end of the shell is fixedly connected with a feed inlet, the inner side of the shell is fixedly connected with a first-stage filter screen, the bottom of the first-stage filter screen is provided with a waste material guiding hole, the lower end of the waste material guiding hole is fixedly connected with a waste material guiding pipe, the outer side of the waste material guiding pipe is fixedly connected with a second-stage filter screen positioned below the first-stage filter screen, the inner side of the waste material guiding pipe is rotatably provided with a spiral extrusion head, the waste material guiding pipe is fixedly connected with a plurality of inclined guide pipes positioned at the outer side of the spiral extrusion head, and the inner side of the waste material guiding pipe is fixedly provided with an extrusion filter screen at the joint of each inclined guide pipe.

Description

Agricultural product detection sample two-stage filter of arranging sediment fast

Technical Field

The utility model relates to the technical field of agricultural product detection, in particular to a two-stage filter for an agricultural product detection sample, which is capable of rapidly discharging slag.

Background

Understanding: not only does the issue of agricultural product safety affect market trade, resulting in consumer panic, but also threatens the development of modern agricultural industry. At present, agricultural product pesticide residue is one of main factors influencing the safety of agricultural products, so that workers need to spot check agricultural products flowing into the market, the agricultural products need to be smashed during detection, then impurities and larger residual fibers in the agricultural products are filtered out, and the agricultural products can be put into a pesticide residue detector for detection.

The existing agricultural product sample filter does not have the function of collecting filtered residues, is inconvenient to intensively process, and still adsorbs a plurality of sample solutions in the filtered residues, so that the sample solutions are incompletely filtered, and the error of a detection result is increased.

And (5) searching: the related patents such as the agricultural product detection technology are searched in a patent library, and more than ten patents are searched. The technical problems and the technical characteristics to be solved by the application are more similar to the following two.

Citation: the utility model discloses a sample filtering device for agricultural product detection in the utility model patent of China patent number 202220048753, and belongs to the technical field of agricultural product detection. The utility model provides a sample filter equipment is used in agricultural product detection, which comprises a box body, feed inlet and discharge gate, be connected with driving motor on the box diapire, the driving motor output is connected with the axis of rotation, the one end that driving motor was kept away from to the axis of rotation passes the box and upwards extends, the inside first filter screen that is provided with of box, first filter screen passes through the adapter sleeve and can dismantle the connection on the axis of rotation outer wall, be connected with the clearance subassembly on the box inner wall, the one end of clearance subassembly is connected with the inlet channel, the one end that the inlet channel kept away from the clearance subassembly passes the box and outwards extends, still be provided with impurity collection subassembly on the box outer wall, impurity collection subassembly cooperatees with the clearance subassembly; the utility model can effectively filter impurities in the sample for detecting agricultural products, and can effectively avoid the condition that a filter assembly is blocked during filtration, thereby effectively improving the filtration efficiency.

Summarizing: for this related art patent, the inventors consider this to be: when the device is used, after the filtered residues are cleaned out, the device has no function of collecting all impurities together, so that the residues need to be treated for multiple times, the device is very troublesome, the cleaned residues automatically flow out through the sample solution in the impurities waiting for static operation, the waiting time is long, and the sample solution flows out incompletely in an automatic outflow mode.

Citation: the utility model discloses a sample filtering device for agricultural product detection in the utility model patent of China patent number 202222492175, which comprises a detection tank and a top cover, wherein the top cover is movably arranged at the top of the detection tank, a liquid injection pipe is connected on the surface of the top cover in a conducting way, an air pump is arranged on the side wall of the detection tank, the air outlet end of the air pump is connected with an air duct, and the end part of the air duct is connected with the liquid injection pipe in a conducting way; the inner cavity of the detection tank is provided with a filtering mechanism, the filtering mechanism comprises a filtering mechanism, supporting rings, limiting rings, supporting net plates and a filter membrane, the supporting rings are equidistantly welded in the inner cavity of the detection tank, and the surfaces of the two groups of supporting rings below are provided with the limiting rings; this novel air pump is through the air duct with the air injection into detect in the jar, can make the pressure that detects jar inner chamber top rise, and the agricultural product detects with the sample can be under the effect of pressure quick through the filter membrane, detects the interior gas accessible blast pipe of jar and discharges, can promote the filtration efficiency to the agricultural product detects with the sample.

Summarizing: for this related art patent, the inventors consider this to be: when the device uses the washing liquid to wash the residue on the surface of the filter membrane, the washing effect is poor because the surface of the filter membrane is a plane, and the washing needs to be carried out for many times, so that a large amount of washing liquid is wasted.

Therefore, the utility model provides a two-stage filter for an agricultural product detection sample, which is capable of rapidly discharging slag, so as to solve the problems.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the agricultural product detection sample two-stage filter capable of rapidly discharging slag.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a quick agricultural product detection sample two-stage filter of arranging sediment, includes the casing, the upper end fixedly connected with feed inlet of casing, the inboard fixedly connected with one-level filter screen of casing, the waste material derivation hole has been seted up to the bottom of one-level filter screen, the lower extreme fixedly connected with waste material delivery tube of waste material derivation hole, the outside fixedly connected with of waste material delivery tube is located the second grade filter screen of one-level filter screen below, the inboard rotation of waste material delivery tube is installed the screw extrusion head, fixedly connected with is located a plurality of slant pipes in the screw extrusion head outside on the waste material delivery tube, the junction fixedly mounted who is located each slant pipe of inboard of waste material delivery tube has the extrusion filter screen.

Preferably, the upper end fixedly connected with motor of casing, the coaxial fixedly connected with connecting rod of lower extreme of motor, the coaxial fixedly connected with of lower extreme at the connecting rod of spiral extrusion head, fixedly connected with is located on the connecting rod a plurality of brush that are located the upper side of one-level filter screen.

Preferably, the waste material guiding pipe is provided with a plurality of waste material leaking holes positioned at the bottom of the secondary filter screen.

Preferably, the lower extreme of waste material delivery tube and the bottom fixed connection of casing, the waste material collection box with waste material delivery tube intercommunication is installed to the lower extreme screw thread of casing.

Preferably, the downside of casing is equipped with the sample collection storehouse, the bottom fixedly connected with sample discharging pipe in sample collection storehouse.

Compared with 202220048753 and 202222492175, the utility model has the following beneficial effects:

1. the utility model has the spiral extrusion head, the waste material delivery pipe, the inclined guide pipe and the extrusion filter screen, effectively achieves the aim of rapidly discharging the residual sample solution in the residue, when in use, the spiral extrusion head rotates to separate the residue entering the waste material delivery pipe, the sample solution is dripped into the upper end of the secondary filter screen through the extrusion filter screen and the inclined guide pipe, filtered and collected, and the residue extruded by the spiral extrusion head falls into the waste collection box.

2. The utility model has the waste material eduction tube and the waste material collecting box, effectively achieves the aim of conveniently carrying out centralized treatment on the residues, and when in use, the residues extruded by the screw extrusion head and filtered by the secondary filter net all fall into the waste material collecting box through the waste material eduction tube, and then the waste material collecting box is screwed down for centralized treatment, thereby achieving the aim of conveniently carrying out centralized treatment on the residues.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic cross-sectional view of a housing according to the present utility model.

Fig. 3 is an enlarged schematic view at a in the present utility model.

Reference numerals:

1. a housing; 2. a feed inlet; 3. a first-stage filter screen; 4. a waste material leading-out hole; 5. a waste delivery tube; 6. a secondary filter screen; 7. a screw extrusion head; 801. an inclined conduit; 802. extruding a filter screen; 9. a motor; 10. a connecting rod; 11. a brush; 12. a waste material leaking hole; 13. a waste collection box; 14. a sample collection bin; 15. and a sample discharging pipe.

Detailed Description

The foregoing and other features, aspects and advantages of the present utility model will become more apparent from the following detailed description of the embodiments with reference to the accompanying drawings, 1-3. The following examples are all referred to in the specification and drawings.

Exemplary embodiments of the present utility model will be described below with reference to the accompanying drawings.

In the first embodiment, as shown in fig. 1-3, the utility model comprises a shell 1, wherein the inner side of the shell 1 is a cavity, the upper end of the shell 1 is fixedly connected with a feed inlet 2 communicated with the inner side of the shell 1, the lower end of the shell 1 is fixedly connected with a plurality of supporting feet for supporting the shell 1, in order to achieve the purpose of rapidly discharging residual sample solution in residues, the inner side of the shell 1 is fixedly connected with a first-stage filter screen 3, the first-stage filter screen 3 is of an inverted cone structure, the bottom of the first-stage filter screen 3 is provided with a waste material leading-out hole 4, the lower end of the waste material leading-out hole 4 is fixedly connected with a waste material leading-out pipe 5, the waste material leading-out pipe 5 is of a tubular structure, and the upper end of the waste material leading-out pipe is communicated with the waste material leading-out hole 4, the outside of the waste material delivery pipe 5 is fixedly connected with a secondary filter screen 6 positioned below the primary filter screen 3, the structure of the secondary filter screen 6 is the same as that of the primary filter screen 3, but the filter holes of the secondary filter screen 6 are smaller than those of the primary filter screen 3, a spiral extrusion head 7 is rotatably arranged on the inner side of the waste material delivery pipe 5, the spiral extrusion head 7 is positioned between the primary filter screen 3 and the secondary filter screen 6, the diameter of the spiral extrusion head 7 is gradually increased from top to bottom, the pitch of the spiral is gradually reduced, a plurality of inclined guide pipes 801 positioned on the outer side of the spiral extrusion head 7 are fixedly connected to the waste material delivery pipe 5, each inclined guide pipe 801 is communicated with the inner side of the waste material delivery pipe 5, and an extrusion filter screen 802 is fixedly arranged at the joint of each inclined guide pipe 801 on the inner side of the waste material delivery pipe 5;

the specific use is as follows: the staff pours the crushed agricultural products into the casing 1 through the feed inlet 2, sample solution after the crushed agricultural products are filtered by the primary filter screen 3 falls down to the upper end of the secondary filter screen 6, and then the required sample solution is obtained through the filtration of the secondary filter screen 6, through the structure described later, the residue left by the filtration of the upper end of the primary filter screen 3 enters into the waste delivery pipe 5 through the waste delivery hole 4, the spiral extrusion head 7 rotates to drive the residue to spiral downwards along the waste delivery pipe 5, the spiral pitch of the spiral gradually decreases from top to bottom due to the gradual increase of the diameter of the spiral extrusion head 7, the inner side diameter of the waste delivery pipe 5 is unchanged, the spiral cavity is reduced in volume, the residue is extruded, the solution in the residue passes through the extrusion filter screen 802, then the inclined guide pipe 801 drops to the upper end of the secondary filter screen 6, the secondary filter screen 6 filters the extruded sample solution again, and accordingly the purpose of rapidly discharging the residual sample solution in the residue is achieved, the extruded residue falls into the lower end of the waste delivery pipe 5, and the residue is collected.

In the second embodiment, based on the first embodiment, as shown in fig. 2-3, in order to avoid the problem that the filtered residues block the filter screen, the upper end of the housing 1 is fixedly connected with a motor 9, the motor 9 is connected with a power supply and a controller, the lower end of the motor 9 is coaxially and fixedly connected with a connecting rod 10, the spiral extrusion head 7 is coaxially and fixedly connected with the lower end of the connecting rod 10, and a plurality of brushes 11 positioned on the upper side of the first-stage filter screen 3 are fixedly connected on the connecting rod 10.

The specific use is as follows: after the staff pours broken agricultural product into casing 1 in, connect the power through controller control motor 9, drive connecting rod 10 and rotate, thereby drive brush 11 and spiral extrusion head 7 synchronous rotation, the agricultural product after the broken of brush 11 stirring one-level filter screen 3 upper end, not only can make the sample solution that filters out pass through one-level filter screen 3 fast, can prevent moreover that the residue after filtering from blockking up one-level filter screen 3, the residue after filtering simultaneously moves to the bottom of one-level filter screen 3, in entering into waste material delivery tube 5 through waste material export hole 4, clean the delivery tube with the agricultural product residue for better, establish connecting rod 10 and brush 11 into curved impeller-like.

In the third embodiment, on the basis of the first embodiment, as shown in fig. 3, a plurality of waste material leaking holes 12 are formed in the waste material guiding pipe 5 and are positioned at the bottom of the secondary filter screen 6;

the specific use is as follows: the residue filtered by the secondary filter 6 is collected in the waste discharge pipe 5 through the waste drain hole 12.

In the fourth embodiment, on the basis of the first embodiment, as shown in fig. 2, the lower end of the waste material guiding pipe 5 is fixedly connected with the bottom of the housing 1, and the lower end of the housing 1 is provided with a waste material collecting box 13 communicated with the waste material guiding pipe 5 in a threaded manner;

the specific use is as follows: the residue collected in the waste material delivery pipe 5 moves downwards and falls into the waste material collecting box 13, and then the waste material collecting box 13 is unscrewed to carry out centralized treatment on the residue, thereby achieving the purpose of conveniently carrying out centralized treatment on the residue.

Based on the first embodiment, as shown in fig. 2, the lower side of the secondary filter screen 6 in the housing 1 is provided with a sample collection bin 14, the bottom of the sample collection bin 14 is of an inverted cone structure, so that sample solution is convenient to collect, incomplete sample solution guiding out is avoided, the bottom of the sample collection bin 14 is fixedly connected with a sample discharging pipe 15, the connection part of the sample discharging pipe 15 and the sample collection bin 14 is an inclined pipe, and most of the existing structures use a transverse pipe, so that the sample solution is reserved at the bottom of a pipeline, and the error of a detection result is increased;

the specific use is as follows: the sample solution flowing into the sample collection bin 14 through the secondary filter screen 6 is collected at the bottom of the sample collection bin 14 and then is led out through the sample discharging pipe 15.

Working principle:

when the utility model is used, a worker pours crushed agricultural products into the shell 1 through the feed inlet 2, sample solution filtered by the first-stage filter screen 3 of the crushed agricultural products falls down to the upper end of the second-stage filter screen 6, filtered by the second-stage filter screen 6 and flows into the sample collection bin 14, meanwhile, the motor 9 is controlled by the controller to be connected with a power supply, the hairbrush 11 and the spiral extrusion head 7 are driven to synchronously rotate, filtered residues move to the bottom of the first-stage filter screen 3, enter the waste delivery pipe 5 through the waste delivery hole 4, the spiral extrusion head 7 drives the residues to spiral push downwards, the inclined guide pipe 801 is close to the lower end position of the spiral extrusion head 7, the upper end part of the spiral extrusion head 7 is mainly a conveying part, the lower end part of the spiral extrusion head is used as an extrusion conveying part, the distance between the spiral extrusion head 7 and the delivery pipe 5 is reduced, the solution in the residues passes through the extrusion filter screen 802, then drops into the upper end of the second-stage filter screen 6 through the inclined guide pipe 801, the extruded residues drop into the waste collection box 13 through the waste delivery pipe 5, the residues filtered by the second-stage filter screen 6 enter the waste delivery pipe 12 into the waste collection box 13, and the waste collection box is concentrated when the waste collection box is processed.

Compared with 202220048753 and 202222492175, the utility model has the following beneficial effects:

1. the utility model has the spiral extrusion head, the waste material delivery pipe, the inclined guide pipe and the extrusion filter screen, effectively achieves the aim of rapidly discharging the residual sample solution in the residue, when in use, the spiral extrusion head rotates to separate the residue entering the waste material delivery pipe, the sample solution is dripped into the upper end of the secondary filter screen through the extrusion filter screen and the inclined guide pipe, filtered and collected, and the residue extruded by the spiral extrusion head falls into the waste collection box.

2. The utility model has the waste material eduction tube and the waste material collecting box, effectively achieves the aim of conveniently carrying out centralized treatment on the residues, and when in use, the residues extruded by the screw extrusion head and filtered by the secondary filter net all fall into the waste material collecting box through the waste material eduction tube, and then the waste material collecting box is screwed down for centralized treatment, thereby achieving the aim of conveniently carrying out centralized treatment on the residues.

While the present utility model has been described in detail by the foregoing description of the preferred embodiment, it should be understood that the above description should not be construed as limiting the utility model, but rather as many modifications and substitutions will become apparent to those skilled in the art upon reading the foregoing. Accordingly, the scope of the utility model should be limited only by the attached claims.

Claims (5)

1. The utility model provides an agricultural product detects sample two-stage filter of sediment fast, includes casing (1), the upper end fixedly connected with feed inlet (2) of casing (1), a serial communication port, the inboard fixedly connected with one-level filter screen (3) of casing (1), waste material derivation hole (4) have been seted up to the bottom of one-level filter screen (3), the lower extreme fixedly connected with waste material delivery tube (5) of waste material derivation hole (4), the outside fixedly connected with of waste material delivery tube (5) is located two-stage filter screen (6) of one-level filter screen (3) below, spiral extrusion head (7) are installed in the inboard rotation of waste material delivery tube (5), a plurality of slant pipes (801) that are located spiral extrusion head (7) outside of fixedly connected with on waste material delivery tube (5), the junction fixedly mounted with extrusion filter screen (802) that the inboard of waste material delivery tube (5) is located each slant pipe (801).

2. The agricultural product detection sample two-stage filter capable of discharging slag rapidly according to claim 1, wherein a motor (9) is fixedly connected to the upper end of the shell (1), a connecting rod (10) is fixedly connected to the lower end of the motor (9) coaxially, the spiral extrusion head (7) is fixedly connected to the lower end of the connecting rod (10) coaxially, and a plurality of brushes (11) located on the upper side of the primary filter screen (3) are fixedly connected to the connecting rod (10).

3. The two-stage filter for agricultural product detection samples with rapid deslagging according to claim 1, wherein the waste delivery pipe (5) is provided with a plurality of waste leaking holes (12) positioned at the bottom of the two-stage filter screen (6).

4. The two-stage filter for the agricultural product detection samples with the rapid deslagging function according to claim 1, wherein the lower end of the waste material delivery pipe (5) is fixedly connected with the bottom of the shell (1), and a waste collection box (13) communicated with the waste material delivery pipe (5) is installed at the lower end of the shell (1) in a threaded manner.

5. The agricultural product detection sample two-stage filter with rapid deslagging according to claim 1, wherein a sample collection bin (14) is arranged on the lower side of the shell (1), and a sample discharging pipe (15) is fixedly connected to the bottom of the sample collection bin (14).