Pre-filtering device for chemical reagent detection

Abstract

The utility model discloses a pre-filtering device for chemical reagent detection, which comprises a base, an arc-shaped shell is arranged on the base, a vibration mechanism is arranged on the shell, a filtering assembly is arranged on the vibration mechanism, the filtering assembly comprises a second filtering shell and a first filtering shell, and the second filtering shell is provided with a second filtering shell. The first filter shell is mounted at the top of the second filter shell through threaded connection. According to the chemical reagent filtering device, a chemical reagent is poured into the filtering assembly and filtered for multiple times in the filtering assembly, pre-filtering treatment is achieved, the filtering assembly is driven to vibrate through the vibrating mechanism in the filtering process of the chemical reagent, outflow of liquid is accelerated, and the filtering efficiency is improved; the filter plate is arranged to be of a separable structure, so that the filter plate is convenient to clean and replace in the later period, and operation is simple.

Description

Technical Field

[0001] This utility model relates to the field of filtration device technology, and in particular to a pre-filtration device for chemical reagent detection. Background Technology

[0002] Chemical reagent testing is a crucial step in fields such as analytical chemistry, environmental monitoring, and biomedicine, and the accuracy of the results directly affects the reliability of experimental conclusions. However, samples often contain non-target impurities such as particulate matter, colloids, and fibers, which may interfere with the normal operation of testing equipment. Therefore, filtration devices are necessary to treat these impurities.

[0003] A search revealed Chinese patent application number 202322397352.2, which discloses a pre-filtration device for chemical reagent testing. The device includes a collection tank, with a first filter cartridge inserted into its upper end. A first mounting frame is movably connected to the inner wall of the first filter cartridge, and a silica gel layer is fixedly installed on the inner wall of the first mounting frame. A first connecting rod is threadedly connected to the inner wall of the first filter cartridge, and a second connecting rod is threadedly connected to the upper end of the first connecting rod. The filtration device in the aforementioned patent has the following drawback: the filter paper is not easily disassembled and replaced, leading to inconvenient maintenance. Utility Model Content

[0004] The purpose of this invention is to further address the shortcomings of existing technologies by proposing a pre-filtration device for chemical reagent detection.

[0005] This device is further configured to achieve the above objectives, and the present invention adopts the following technical solution:

[0006] A pre-filtration device for chemical reagent detection includes a base with an arc-shaped outer shell. A vibration mechanism is mounted on the outer shell, and a filter assembly is mounted on the vibration mechanism. The base has several receiving slots, one of which is located below the filter assembly and contains a measuring cup. The filter assembly includes a second filter shell and a first filter shell. The first filter shell is threadedly connected to the top of the second filter shell. The upper half of the second filter shell is a hollow cylindrical structure, and the lower half is a hollow conical structure. Several limiting blocks are provided on the upper inner wall of the first filter shell. An annular baffle is provided at the bottom of each limiting block, and a filter plate is mounted on the baffle. The filter plate is detachable and has several filter holes. A pull rod is mounted on the top of the filter plate.

[0007] As a further embodiment of this utility model: the lower end of the second filter shell is provided with an annular fixing cavity, and a connecting frame is installed through the fixing cavity. The connecting frame is an annular component, and a placement block is provided on the outer wall of the connecting frame. Pull plates are symmetrically arranged on the top of the connecting frame.

[0008] As a further improvement of this utility model: the bottom of the connecting frame is provided with a bottom shell, and the bottom of the bottom shell is provided with several buckles in a circumferential direction, the buckles being adapted to the fixing cavity inside the second filter shell.

[0009] As a further improvement of this utility model: the bottom shell is symmetrically provided with fixing holes, and the bottom shell is provided with a number of fan-shaped through holes and a central circular through hole.

[0010] As a further improvement of this utility model: the filter assembly also includes a clamping plate, which has a double-layer structure. Each layer has a through hole of the same size as the bottom shell. The bottom plate of the clamping plate is symmetrically provided with clamping plates, and the clamping plates are adapted to the fixing holes.

[0011] As a further improvement of this utility model: two clamping plates are provided, and filter paper is placed between the clamping plates and between the contact surface of the lower clamping plate and the bottom shell.

[0012] As a further embodiment of this utility model: the vibration mechanism includes a vibration motor, which is mounted on the rear outer wall of the housing. Springs are symmetrically mounted on the inner wall of the housing. A fixing ring is mounted on the end of each spring. The fixing ring is an adjustable elastic clamping ring. The output end of the vibration motor is connected to the fixing ring.

[0013] As a further improvement of this utility model: a rotating seat is provided on the top of the outer shell, and the funnel is rotatably mounted on the rotating seat.

[0014] The beneficial effects of this utility model are as follows:

[0015] 1. By pouring chemical reagents into the filter assembly, multiple filtrations are performed to achieve pre-filtration. During the chemical reagent filtration process, a vibration mechanism is used to drive the filter assembly to vibrate, accelerating the outflow of liquid and improving filtration efficiency. The filter plate is designed to be separable, which facilitates cleaning and replacement later. The operation is simple.

[0016] 2. By installing two clamping plates inside the connecting frame through slots and buckles, several filter membranes can be placed inside. By using the clamping plates and the bottom shell to cooperate, the filter paper is pressed, stretched and laid flat to filter chemical reagents and avoid wrinkling of the filter paper.

[0017] 3. Use a retaining ring to clamp and fix the filter assembly. The placement block on the second filter shell is located on the retaining ring to assist in the support. Then, during the filtration process of the filter assembly, the retaining ring and the filter assembly are vibrated by a vibration motor to accelerate the filtration of chemical reagents. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of a pre-filtration device for chemical reagent detection proposed in this utility model;

[0019] Figure 2 This is a schematic diagram of the vibration mechanism proposed in this utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the filter assembly proposed in this utility model;

[0021] Figure 4 This is a schematic diagram of the cross-sectional structure of the second filter shell proposed in this utility model;

[0022] Figure 5 This is a schematic diagram of the clamping plate proposed in this utility model.

[0023] In the diagram: 1-base, 2-accommodating groove, 3-measuring cup, 4-outer shell, 5-spring, 6-filter assembly, 7-vibration motor, 8-fixing ring, 9-rotating seat, 10-funnel, 11-second filter shell, 12-placement block, 13-connecting frame, 14-first filter shell, 15-filter plate, 16-pull rod, 17-limiting block, 18-fixing cavity, 19-pull plate, 20-bottom shell, 21-fixing hole, 22-clamping plate, 23-elastic clamp. Detailed Implementation

[0024] The technical solution of this utility model will be further described in detail below with reference to specific embodiments.

[0025] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0026] A pre-filtration device for chemical reagent detection, such as Figures 1-5As shown, the system includes a base 1, an arc-shaped outer shell 4 on the base 1, a vibration mechanism on the outer shell 4, a filter assembly 6 on the vibration mechanism, and several receiving slots 2 on the base 1, one of which is located below the filter assembly 6 and contains a measuring cup 3. The filter assembly 6 includes a second filter shell 11 and a first filter shell 14. The first filter shell 14 is threadedly connected to the top of the second filter shell 11. The upper half of the second filter shell 11 is a hollow cylindrical structure, and the lower half is a hollow conical structure. Several limiting blocks 17 are provided on the upper inner wall of the first filter shell 14. An annular baffle is provided at the bottom of the limiting block 17. A filter plate 15 is installed on the baffle. The filter plate 15 is detachable and has several filter holes. A pull rod 16 is installed on the top of the filter plate 15.

[0027] By pouring chemical reagents into the filter assembly 6, multiple filtrations are performed in the filter assembly 6 to achieve pre-filtration treatment. During the chemical reagent filtration process, the filter assembly 6 is vibrated by a vibration mechanism to accelerate the outflow of liquid and improve filtration efficiency. The filter plate 15 is designed to be separable, which facilitates cleaning and replacement later. The operation is simple.

[0028] This device is further configured such as Figures 3-5 As shown, the lower end of the second filter housing 11 is provided with an annular fixing cavity 18, and a connecting frame 13 is installed through the fixing cavity 18. The connecting frame 13 is an annular part, and a placement block 12 is provided on the outer wall of the connecting frame 13. A pull plate 19 is symmetrically provided on the top of the connecting frame 13.

[0029] The bottom of the connecting frame 13 is provided with a bottom shell 20, and the bottom of the bottom shell 20 is provided with several buckles around the periphery. The buckles are adapted to the fixing cavity 18 inside the second filter shell 11.

[0030] The bottom shell 20 is symmetrically provided with fixing holes 21, and the bottom shell 20 is provided with several fan-shaped through holes and a central circular through hole;

[0031] The filter assembly 6 also includes a clamping plate 22, which has a double-layer structure. Each layer has through holes of the same size as the bottom shell 20. The bottom plate of the clamping plate 22 is symmetrically provided with clamping plates 22, and the clamping plates 22 are adapted to the fixing holes 21.

[0032] Two clamping plates 22 are provided, and filter paper is placed between the clamping plates 22 and between the contact surface of the lower clamping plate 22 and the bottom shell 20. By installing the two clamping plates 22 inside the connecting frame 13 through slots and buckles, several filter membranes can be placed inside. By using the clamping plates 22 and the bottom shell 20 to cooperate, the filter paper is pressed, stretched and laid flat to filter chemical reagents, avoiding wrinkles in the filter paper.

[0033] This device is further configured such as Figure 1 , Figure 2 As shown, the vibration mechanism includes a vibration motor 7, which is mounted on the rear outer wall of the housing 4. Springs 5 ​​are symmetrically mounted on the inner wall of the housing 4, and a fixing ring 8 is mounted on the end of each spring 5. The fixing ring 8 is an adjustable elastic clamping ring, and the output end of the vibration motor 7 is connected to the fixing ring 8. The fixing ring 8 is used to clamp and fix the filter assembly 6. The placement block 12 on the second filter housing 11 is located on the fixing ring 8 to provide auxiliary support. Subsequently, during the filtration process of the filter assembly 6, the vibration motor 7 vibrates the fixing ring 8 and the filter assembly 6 to accelerate the filtration of chemical reagents.

[0034] This device is further configured such as Figure 2 As shown, a rotating base 9 is provided on the top of the outer casing 4, and the funnel 10 is rotatably mounted on the rotating base 9. By setting the funnel 10, chemical reagents can be dripped into the filter assembly 6 through the funnel 10, avoiding vibration from affecting the pouring of chemical reagents.

[0035] Working principle: The filter assembly 6 is assembled, and the filter paper is fixed by the clamping plate 22. The clamping plate 22 is fixed to the bottom shell 20 by the elastic clip 23. The clamping plates 22 are fixed together by the elastic clip 23. Then, the connecting frame 13 is fixed in the second filter shell 11. The first filter shell 14 is rotated and fixed to the top of the second filter shell 11. The filter plate 15 is placed in the first filter shell 14. Then, the filter assembly 6 is fixed by the fixing ring 8. The funnel 10 is rotated to the top center position of the filter assembly 6. Then, the chemical reagent is poured into the funnel 10. The chemical reagent is filtered through the filter plate 15 and several filter papers and dripped into the measuring cup 3 to achieve filtration. During the filtration process, the vibration motor 7 vibrates the filter assembly 6.

[0036] The above are merely preferred embodiments of this utility model. For parts that do not require creative effort in circuit control, signal control and transmission, please refer to the prior art. However, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and utility model concept of this utility model, should be included within the protection scope of this utility model.

Claims

1. A pre-filtration device for chemical reagent detection, comprising a base (1), characterized in that, The base (1) is provided with an arc-shaped outer shell (4), and the outer shell (4) is provided with a vibration mechanism. A filter assembly (6) is provided on the vibration mechanism. The base (1) is provided with a plurality of receiving slots (2), one of which is located below the filter assembly (6) and contains a measuring cup (3). The filter assembly (6) includes a second filter shell (11) and a first filter shell (14). The first filter shell (14) is installed on the second filter shell by a threaded connection. The top of the filter housing (11), the upper half of the second filter housing (11) is a hollow cylindrical structure, the lower half is a hollow conical structure, a number of limiting blocks (17) are provided on the upper inner wall of the first filter housing (14), an annular baffle is provided at the bottom of the limiting block (17), a filter plate (15) is installed on the baffle, the filter plate (15) is detachable, a number of filter holes are provided on the filter plate (15), and a pull rod (16) is installed on the top of the filter plate (15).

2. The pre-filtration device for chemical reagent detection according to claim 1, characterized in that, The lower end of the second filter shell (11) is provided with an annular fixing cavity (18), and a connecting frame (13) is installed through the fixing cavity (18). The connecting frame (13) is an annular part, and a placement block (12) is provided on the outer wall of the connecting frame (13). A pull plate (19) is symmetrically provided on the top of the connecting frame (13).

3. The pre-filtration device for chemical reagent detection according to claim 2, characterized in that, The bottom of the connecting frame (13) is provided with a bottom shell (20), and the bottom of the bottom shell (20) is provided with several buckles in the circumferential direction. The buckles are adapted to the fixing cavity (18) inside the second filter shell (11).

4. The pre-filtration device for chemical reagent detection according to claim 3, characterized in that, The bottom shell (20) is symmetrically provided with fixing holes (21), and the bottom shell (20) is provided with several fan-shaped through holes and a central circular through hole.

5. The pre-filtration device for chemical reagent detection according to claim 4, characterized in that, The filter assembly (6) also includes a clamping plate (22), which is a double-layer structure. Each layer has a through hole of the same size as the bottom shell (20). The bottom plate of the clamping plate (22) is symmetrically provided with clamping plates (22), and the clamping plates (22) are adapted to the fixing holes (21).

6. The pre-filtration device for chemical reagent detection according to claim 5, characterized in that, Two clamping plates (22) are provided, and filter paper is placed between the clamping plates (22) and between the contact surface of the lower clamping plate (22) and the bottom shell (20).

7. The pre-filtration device for chemical reagent detection according to claim 1, characterized in that, The vibration mechanism includes a vibration motor (7), which is mounted on the outer rear wall of the housing (4). Springs (5) are symmetrically mounted on the inner wall of the housing (4). A fixing ring (8) is mounted on the end of the spring (5). The fixing ring (8) is an adjustable elastic clamping ring. The output end of the vibration motor (7) is connected to the fixing ring (8).

8. The pre-filtration device for chemical reagent detection according to claim 1, characterized in that, The top of the outer shell (4) is provided with a rotating seat (9), and the funnel (10) is rotatably mounted on the rotating seat (9).

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