Liquid pesticide coarse filtering device for laboratory

Abstract

The utility model discloses a liquid pesticide coarse filtering device for a laboratory, and relates to the technical field of experimental apparatuses. The device comprises a filtering unit and a collecting unit, the filtering unit comprises an upper pressing plate, a lower pressing plate and a filter screen, the upper pressing plate is in a circular ring shape, an upper groove is formed in the lower side of the upper pressing plate, the lower pressing plate is in a circular ring shape and is the same as the upper pressing plate in size, a lower groove is formed in the upper side of the lower pressing plate, the lower groove corresponds to the upper groove, and the filter screen is arranged in the lower groove. The upper pressing plate is located over the lower pressing plate, the filter screen is installed between the upper pressing plate and the lower pressing plate, and the filter screen is located in the upper groove and the lower groove. Through cooperation of the filtering unit and the collecting unit, the device can perform coarse filtration on the liquid pesticide more quickly, so that the time is well saved, and the filtering efficiency of the liquid pesticide is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of experimental instruments. Specifically, it particularly relates to a rough filtration device for liquid pesticides in a laboratory. Background Art

[0002] When it is necessary to roughly filter some liquid pesticides in an experiment to remove mechanical impurities, caking, and lumpy materials therein, a Buchner funnel is usually used for filtration. However, when using a Buchner funnel to remove mechanical impurities, caking, and lumpy materials in liquid pesticides, it takes a relatively long time, resulting in a slow filtration efficiency. Summary of the Utility Model

[0003] In view of the problems in the related art, the utility model provides a rough filtration device for liquid pesticides in a laboratory to overcome the above-mentioned technical problems existing in the prior related art.

[0004] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0005] The utility model is a rough filtration device for liquid pesticides in a laboratory, including a filtration unit and a collection unit. The filtration unit includes an upper pressing plate, a lower pressing plate, and a filter screen. The upper pressing plate is circular ring-shaped, and an upper groove is provided on the lower side of the upper pressing plate. The lower pressing plate is circular ring-shaped and the same size as the upper pressing plate. A lower groove is provided on the upper side of the lower pressing plate, and the lower groove corresponds to the upper groove. The upper pressing plate is directly above the lower pressing plate, and the filter screen is installed between the upper pressing plate and the lower pressing plate, and the filter screen is located in the upper groove and the lower groove.

[0006] Furthermore, a plurality of studs are welded on the lower side of the upper pressing plate. The studs are evenly and orderly distributed in a circular pattern on the upper pressing plate, and the studs are distributed outside the upper groove.

[0007] Furthermore, a plurality of screw holes are provided on the lower pressing plate. The screw holes are evenly and orderly distributed in a circular pattern on the lower pressing plate, and the screw holes are distributed outside the lower groove. The screw holes correspond to the studs. An annular installation groove is provided on the lower side of the lower pressing plate, and the installation groove is coaxial with the lower pressing plate.

[0008] Furthermore, a plurality of vertically upward limiting columns are provided in the lower groove. The limiting columns are evenly distributed in the lower groove, and the top ends of the limiting columns are in contact with the top inside the upper groove.

[0009] Furthermore, a fixing ring is provided on the filter screen. The fixing ring is connected to the filter screen, and a plurality of limiting holes are provided on the fixing ring. The limiting holes correspond to the limiting columns, and the fixing ring fits with the upper groove and the lower groove.

[0010] Further, a nut is installed on the stud, and the upper pressing plate and the lower pressing plate are connected through the cooperation of the stud and the nut.

[0011] Further, the collecting unit includes a funnel. The upper edge of the funnel is installed in the installation groove, the installation groove fits with the upper edge of the funnel, and the filter screen is located inside the funnel.

[0012] Further, the upper pressing plate and the lower pressing plate are both made of stainless steel.

[0013] The utility model has the following beneficial effects: By using a rough filtering device for liquid pesticides in a laboratory, first, the filtering unit is installed on the funnel of the collecting unit through the installation groove. Then, the liquid pesticide to be roughly filtered is poured onto the filter screen of the filtering unit. The filter screen will filter out impurities such as mechanical impurities, lumps, and agglomerated materials in the liquid pesticide. The liquid pesticide will be collected by the funnel into the storage container through the filter screen. After the filtration is completed, the filter screen and the funnel can be directly cleaned. When the filter screen is damaged, the filter screen can be removed from the filtering unit for replacement or repair. First, unscrew the nut to end the fixation between the upper pressing plate and the lower pressing plate, and then remove the upper pressing plate from the lower pressing plate. At this time, the fixing ring of the filter screen can be removed from the limiting post in the lower groove, so as to remove the filter screen from the lower pressing plate. Then, the filter screen can be replaced or repaired. When installing the filter screen, align the limiting hole on the fixing ring of the filter screen with the limiting post in the lower groove of the lower pressing plate. Then, make the fixing ring pass through the limiting hole and sleeve it on the limiting post and install it into the lower groove. Align the stud on the upper pressing plate with the screw hole on the lower pressing plate, and then make the stud pass through the screw hole to combine the upper groove of the upper pressing plate and the lower groove of the lower pressing plate, so that the upper pressing plate and the lower pressing plate clamp and fix the fixing ring, thereby fixing the filter screen. Then, screw on the nut on the stud passing through the lower pressing plate to fix the upper pressing plate and the lower pressing plate. After installing the filter screen, the device can be reused. Through the cooperation of the filtering unit and the collecting unit, the device can roughly filter the liquid pesticide faster, thus saving time well and improving the filtering efficiency of the liquid pesticide. Through reasonable design, when a certain component in the device is damaged, it can be disassembled for replacement or repair, thus avoiding discarding the entire device due to component damage, thereby saving the use cost.

[0014] Of course, it is not necessary for any product implementing the utility model to achieve all the above advantages simultaneously. Description of the Drawings

[0015] To more clearly illustrate the technical solutions of the embodiments of the utility model, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the utility model. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can be obtained based on these drawings.

[0016] Figure 1 It is an exploded structure schematic diagram of the present utility model;

[0017] Figure 2 It is a front exploded sectional structure schematic diagram of the present utility model;

[0018] Figure 3 It is a left side structure schematic diagram of the present utility model;

[0019] Figure 4 It is a front structure schematic diagram of the present utility model;

[0020] Figure 5 For the present utility model Figure 2 It is a partial enlarged structure schematic diagram at position A;

[0021] Figure 6 For the present utility model Figure 2 It is a partial enlarged structure schematic diagram at position B.

[0022] In the accompanying drawings, the list of components represented by each label is as follows:

[0023] 1. Filter unit; 2. Upper pressing plate; 3. Lower pressing plate; 4. Upper groove; 5. Lower groove; 6. Stud; 7. Threaded hole; 8. Installation groove; 9. Limit post; 10. Filter screen; 11. Fixed ring; 12. Limit hole; 13. Nut; 14. Collection unit; 15. Funnel. Detailed implementation manners

[0024] Next, the technical solutions in the embodiments of the utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the utility model.

[0025] In the description of the present utility model, it should be understood that the terms "opening", "upper", "lower", "top", "middle", "inner", etc. indicating the orientation or position relationship are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the utility model.

[0026] Please refer to Figures 1-6 As shown, the utility model is a rough filtering device for liquid pesticides in a laboratory, including a filtering unit 1 and a collecting unit 14. The filtering unit 1 includes an upper pressing plate 2, a lower pressing plate 3, and a filter screen 10. The upper pressing plate 2 is in a circular ring shape, and an upper groove 4 is formed on the lower side of the upper pressing plate 2. The lower pressing plate 3 is in a circular ring shape and has the same size as the upper pressing plate 2. A lower groove 5 is formed on the upper side of the lower pressing plate 3. The lower groove 5 corresponds to the upper groove 4. The upper pressing plate 2 is located directly above the lower pressing plate 3. The filter screen 10 is installed between the upper pressing plate 2 and the lower pressing plate 3, and the filter screen 10 is located in the upper groove 4 and the lower groove 5. Pour the liquid pesticide that needs to be roughly filtered onto the filter screen 10 of the filtering unit 1. The filter screen 10 will filter out impurities such as mechanical impurities, lumps, and agglomerated materials in the liquid pesticide. The liquid pesticide will be collected by the funnel 15 and stored in a storage container through the filter screen 10. When the filter screen 10 is damaged, the filter screen 10 can be removed from the filtering unit 1 for replacement or repair. First, unscrew the nut 13 to end the fixation between the upper pressing plate 2 and the lower pressing plate 3, and then remove the upper pressing plate 2 from the lower pressing plate 3. At this time, the fixing ring 11 of the filter screen 10 can be removed from the limiting post 9 in the lower groove 5, so as to remove the filter screen 10 from the lower pressing plate 3. Then, the filter screen 10 can be replaced or repaired. Through the cooperation of the filtering unit 1 and the collecting unit 14, the device can roughly filter the liquid pesticide faster, thus saving time well and improving the filtering efficiency of the liquid pesticide. Through reasonable design, when a certain component in the device is damaged, it can be disassembled for replacement or repair, thus avoiding discarding the entire device due to component damage and saving the use cost.

[0027] In one embodiment, for the above-mentioned rough filtering device for liquid pesticides in a laboratory, a plurality of stud bolts 6 are welded on the lower side of the upper pressing plate 2. The stud bolts 6 are evenly and orderly distributed in a circular pattern on the upper pressing plate 2, and the stud bolts 6 are distributed outside the upper groove 4.

[0028] In one embodiment, for the above-mentioned rough filtration device for liquid pesticides in a laboratory, a plurality of screw holes 7 are formed in the lower pressing plate 3. The screw holes 7 are evenly and orderly distributed in a circular pattern on the lower pressing plate 3. The screw holes 7 are distributed outside the lower groove 5. The screw holes 7 correspond to the screw studs 6. An annular installation groove 8 is formed on the lower side of the lower pressing plate 3. The installation groove 8 is coaxial with the lower pressing plate 3. When installing the filter screen 10, align the limiting holes 12 on the fixing ring 11 of the filter screen 10 with the limiting posts 9 in the lower groove 5 of the lower pressing plate 3. Then, make the fixing ring 11 sleeved on the limiting posts 9 through the limiting holes 12 and installed in the lower groove 5. Then, align the screw studs 6 on the upper pressing plate 2 with the screw holes 7 on the lower pressing plate 3. Then, make the screw studs 6 pass through the screw holes 7 to combine the upper groove 4 of the upper pressing plate 2 and the lower groove 5 of the lower pressing plate 3. Thus, the upper pressing plate 2 and the lower pressing plate 3 clamp and fix the fixing ring 11, thereby fixing the filter screen 10. Subsequently, screw nuts 13 on the screw studs 6 passing through the lower pressing plate 3 to fix the upper pressing plate 2 and the lower pressing plate 3. After the filter screen 10 is installed, the device can be reused. The filtering unit 1 is installed on the funnel 15 of the collecting unit 14 through the installation groove 8.

[0029] In one embodiment, for the above-mentioned rough filtration device for liquid pesticides in a laboratory, a plurality of vertically upward limiting posts 9 are provided in the lower groove 5. The limiting posts 9 are evenly distributed in the lower groove 5. The top ends of the limiting posts 9 are in contact with the top in the upper groove 4.

[0030] In one embodiment, for the above-mentioned rough filtration device for liquid pesticides in a laboratory, a fixing ring 11 is provided on the filter screen 10. The fixing ring 11 is connected to the filter screen 10. A plurality of limiting holes 12 are formed in the fixing ring 11. The limiting holes 12 correspond to the limiting posts 9. The fixing ring 11 fits with the upper groove 4 and the lower groove 5. The limiting posts 9 cooperate with the limiting holes 12 to fix the fixing ring 11 in the lower groove 5.

[0031] In one embodiment, for the above-mentioned rough filtration device for liquid pesticides in a laboratory, nuts 13 are installed on the screw studs 6. The upper pressing plate 2 and the lower pressing plate 3 are connected through the cooperation of the screw studs 6 and the nuts 13.

[0032] In one embodiment, for the above-mentioned rough filtration device for liquid pesticides in a laboratory, the collecting unit 14 includes a funnel 15. The upper edge of the funnel 15 is installed in the installation groove 8. The installation groove 8 fits with the upper edge of the funnel 15. The filter screen 10 is located inside the funnel 15.

[0033] In one embodiment, for the above-mentioned rough filtration device for liquid pesticides in a laboratory, the upper pressing plate 2 and the lower pressing plate 3 are both made of stainless steel. By using stainless steel to make the components, the device is corrosion-resistant and easy to clean.

[0034] In summary, by means of the above technical solution of the present utility model, by using a rough filtering device for liquid pesticides in a laboratory, first, the filtering unit 1 is installed on the funnel 15 of the collecting unit 14 through the installation groove 8. Subsequently, the liquid pesticide to be roughly filtered is poured onto the filter screen 10 of the filtering unit 1. The filter screen 10 will filter out impurities such as mechanical impurities, lumps, and agglomerated materials in the liquid pesticide. The liquid pesticide will be collected by the funnel 15 through the filter screen 10 and stored in a storage container. After the filtration is completed, the filter screen 10 and the funnel 15 can be directly cleaned. When the filter screen 10 is damaged, the filter screen 10 can be removed from the filtering unit 1 for replacement or repair. First, unscrew the nut 13 to end the fixation between the upper pressing plate 2 and the lower pressing plate 3, and then remove the upper pressing plate 2 from the lower pressing plate 3. At this time, the fixing ring 11 of the filter screen 10 can be removed from the limiting post 9 in the lower groove 5, so as to remove the filter screen 10 from the lower pressing plate 3. Then, the filter screen 10 can be replaced or repaired. When installing the filter screen 10, align the limiting hole 12 on the fixing ring 11 of the filter screen 10 with the limiting post 9 in the lower groove 5 of the lower pressing plate 3. Subsequently, the fixing ring 11 is sleeved on the limiting post 9 through the limiting hole 12 and installed in the lower groove 5. Then, align the stud 6 on the upper pressing plate 2 with the screw hole 7 on the lower pressing plate 3, and then pass the stud 6 through the screw hole 7 to merge the upper groove 4 of the upper pressing plate 2 and the lower groove 5 of the lower pressing plate 3, so that the upper pressing plate 2 and the lower pressing plate 3 clamp and fix the fixing ring 11, thereby fixing the filter screen 10. Subsequently, screw on the nut 13 on the stud 6 passing through the lower pressing plate 3 to fix the upper pressing plate 2 and the lower pressing plate 3. After the filter screen 10 is installed, the device can be reused.

[0035] Through the above technical solution, 1. Through the cooperation of the filtering unit and the collecting unit, the device can more quickly perform rough filtering on the liquid pesticide, thus saving time well and improving the filtering efficiency of the liquid pesticide.

[0036] 2. Through reasonable design, when a certain component in the device is damaged, it can be disassembled for replacement or repair, thus avoiding discarding the entire device due to component damage and saving the usage cost.

[0037] In the description of this specification, the description referring to terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0038] The preferred embodiments of the utility model disclosed above are only used to help illustrate the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principle and practical application of the utility model, so that those skilled in the art can well understand and utilize the utility model. The utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A laboratory liquid pesticide coarse filtration device, characterized in that: The invention comprises a filtering unit (1) and a collecting unit (14); the filtering unit (1) comprises an upper pressing plate (2), a lower pressing plate (3) and a filter screen (10); the upper pressing plate (2) is in an annular shape; an upper groove (4) is provided on the lower side of the upper pressing plate (2); the lower pressing plate (3) is in an annular shape and is the same size as the upper pressing plate (2); a lower groove (5) is provided on the upper side of the lower pressing plate (3); the lower groove (5) corresponds to the upper groove (4); the upper pressing plate (2) is located directly above the lower pressing plate (3); the filter screen (10) is installed between the upper pressing plate (2) and the lower pressing plate (3); and the filter screen (10) is located in the upper groove (4) and the lower groove (5).

2. A laboratory liquid pesticide coarse filtration device according to claim 1, characterized in that: A plurality of studs (6) are welded on the lower side of the upper pressing plate (2), and the studs (6) are evenly and orderly distributed in a circular pattern on the upper pressing plate (2). The studs (6) are distributed on the outer side of the upper groove (4).

3. A laboratory liquid pesticide coarse filtration device according to claim 1, characterized in that: The lower pressing plate (3) is provided with a plurality of screw holes (7), the screw holes (7) are evenly and orderly distributed in a circular pattern on the lower pressing plate (3), the screw holes (7) are distributed on the outer side of the lower groove (5), the screw holes (7) correspond to the studs (6), and the lower side of the lower pressing plate (3) is provided with an annular mounting groove (8), the mounting groove (8) and the lower pressing plate (3) are coaxial.

4. A laboratory liquid pesticide coarse filtration device according to claim 1, characterized in that: A plurality of vertically upward limiting columns (9) are arranged in the lower groove (5); the limiting columns (9) are evenly distributed in the lower groove (5); and the top ends of the limiting columns (9) fit in with the top of the upper groove (4).

5. A laboratory liquid pesticide coarse filtration device according to claim 1, characterized in that: The filter screen (10) is provided with a fixing ring (11), the fixing ring (11) is connected to the filter screen (10), a plurality of limiting holes (12) are provided on the fixing ring (11), the limiting holes (12) correspond to the limiting columns (9), and the fixing ring (11) fits with the upper groove (4) and the lower groove (5).

6. A laboratory liquid pesticide coarse filtration device according to claim 2, characterized in that: The stud (6) is provided with a nut (13), and the upper pressing plate (2) and the lower pressing plate (3) are connected by the stud (6) and the nut (13).

7. A laboratory liquid pesticide coarse filtration device according to claim 1, characterized in that: The collecting unit (14) comprises a funnel (15), the upper edge of the funnel (15) is mounted in a mounting groove (8), the mounting groove (8) fits with the upper edge of the funnel (15), and the filter screen (10) is located in the funnel (15).

8. A laboratory liquid pesticide coarse filtration device according to claim 1, characterized in that: The upper pressing plate (2) and the lower pressing plate (3) are both made of stainless steel.

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