Filter convenient to clean

By designing easy-to-disassemble filtering components and stirring components, the problems of cumbersome disassembly of existing drug inspection filters and low tablet dissolution efficiency are solved, and efficient cleaning of the filter and rapid dissolution of tablets are achieved.

CN223351165UActive Publication Date: 2025-09-19天津市滨海新区检验检测中心
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Patent Information

Application Number
CN202422751354.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2025-09-19
Estimated Expiration
2034-11-12

AI Technical Summary

Technical Problem

Existing drug inspection filters have complicated steps in the disassembly and stirring process, which reduces the efficiency of cleaning and tablet dissolution and affects the speed of drug inspection.

Method used

The filter assembly and stirring assembly are designed to simplify the filter disassembly steps and accelerate the dissolution rate of the tablets through the stirring assembly.

Benefits of technology

The filter cleaning operation is simplified, the tablet dissolution efficiency is improved, and the speed of drug inspection is accelerated.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a filter convenient to clean, and relates to the technical field of medicine inspection. The filtering device comprises a square pipe, a filtering assembly is arranged on the upper surface of the square pipe, the filtering assembly comprises a film filter arranged in an outer barrel in a sleeved mode, the lower end of a connecting pipe communicated with the lower surface of the outer barrel is communicated with the upper surface of the square pipe, and a valve is connected to the peripheral side wall of the connecting pipe. Connecting cylinders are connected to the inner bottom of the outer barrel in an annular array mode, movable blocks are connected to the upper end faces of reset springs connected to the inner bottoms of the connecting cylinders, and movable rods are connected to the upper surfaces of the movable blocks. A stirring assembly is arranged on the barrel cover. According to the utility model, the filter assembly is arranged, the disassembly and assembly steps of the membrane filter are simplified, the membrane filter can be cleaned conveniently, the operation amount of workers is reduced, and the stirring assembly is arranged, so that the dissolution efficiency of inspection tablets can be accelerated, and the efficiency of taking dissolved liquid medicine for inspection can be accelerated.
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Description

Technical Field

[0001] The utility model belongs to the technical field of drug inspection, in particular to a filter which is easy to clean. Background Art

[0002] The purpose of drug inspection is to ensure drug quality, thereby preventing substandard drugs from being used to treat diseases, and ensuring that medication is safe, reasonable, and effective. During the drug inspection process, a filter is required to filter the dissolved drug solution to improve the accuracy of the dissolved drug solution when the inspector takes it for inspection.

[0003] After searching, a patent document with patent announcement number CN221832015U disclosed a drug inspection filter that is easy to clean. The filter includes a support frame, the support frame is provided with two groups, a connecting tube is fixedly connected between the support frames, the top of the connecting tube is fixedly connected to the delivery tube, the top of the delivery tube is installed with a membrane filter, the top of the membrane filter is installed with a connecting cover, the top of the connecting cover is fixedly connected to the support tube, the top of the support tube is fixedly connected to the support platform, and the top of the support platform is placed with a glass cover. When cleaning, first remove the magnetic buckle from the support tube, then remove the glass cover from the support platform, and then open the limit buckle. The connecting cover can be removed from the top of the membrane filter. The device is divided into three parts to facilitate thorough cleaning of each part. Moreover, the entire disassembly process can be quickly disassembled without the use of tools, which improves the efficiency of cleaning and solves the problem of inconvenient disassembly and cleaning.

[0004] The above-mentioned drug inspection filter which is easy to clean, has a connecting tube fixedly connected between its support frames, the top of the connecting tube is fixedly connected to the delivery tube, the top of the delivery tube is installed with a membrane filter, the top of the membrane filter is installed with a connecting cover, the top of the connecting cover is fixedly connected to the support tube, the top of the support tube is fixedly connected to the support platform, a glass cover is placed on the top of the support platform, a rubber ring is fixedly connected to the inside of the support platform, the top of the glass cover is fixedly connected to the feed port, a sealing cover is installed on the top of the feed port, limited buckles are movably installed on both sides of the membrane filter, reinforcement rods are fixedly connected on both sides of the bottom end of the feed port, a magnetic buckle is fixedly connected to one side of the reinforcement rod, a control valve is installed at the front end of the delivery tube, a filter port is provided on one side of the support frame, a protective cover is installed on the outside of the filter port, a supporting base plate is installed at the bottom end of the support frame, and a handle is fixedly connected to the top of the support frame. The hand limit buckle is in the shape of an "L" and is buckled on the outside of the connecting cover. The magnetic buckle is semicircular and is sleeved on the outside of the support tube. The support tube and the support platform are connected through. There are three groups of membrane filters, and the membrane filters are evenly spaced at the top of the connecting tube. When the equipment needs to be cleaned, the magnetic buckle can be removed from the support tube first, and then the glass cover can be removed from the support platform. Then the limit buckle can be opened and the connecting cover can be removed from the top of the membrane filter. However, in the process of disassembling and assembling the membrane filter, there are cumbersome steps, which brings inconvenience to the operation of cleaning the membrane filter; and the tablets are dissolved inside the glass cover, but it is inconvenient to stir the tablets inside the glass cover, which reduces the efficiency of tablet dissolution, increases the time waiting for the dissolved medicine, and reduces the efficiency of tablet inspection.

[0005] To this end, we provide a filter that is easy to clean to solve the above problems. Utility Model Content

[0006] The purpose of the present utility model is to provide a filter that is easy to clean. By setting up a filter component, the operation steps of disassembling the filter are simplified, thereby facilitating the cleaning operation of the filter. In addition, a stirring component is set up to effectively accelerate the dissolution rate of tablets, thereby facilitating the efficiency of taking the drug solution for testing, thereby solving the technical problems raised in the background technology of the above-mentioned easy-to-clean drug testing filter.

[0007] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0008] The utility model provides a filter that is easy to clean, comprising a square tube, wherein a filter assembly is provided on the upper surface of the square tube, wherein the filter assembly includes a membrane filter sleeved inside an outer barrel, the lower end of a connecting pipe connected to the lower surface of the outer barrel is connected to the upper surface of the square tube, a valve is connected to the peripheral side wall of the connecting pipe, a connecting cylinder is connected in an annular array on the inner bottom of the outer barrel, the upper end surface of a return spring connected to the inner bottom of the connecting cylinder is connected to a movable block, the upper surface of the movable block is connected to a movable rod, the lower surface of a barrel cover threadedly connected to the upper surface of the outer barrel is abutted against the upper surface of the membrane filter, and the lower surface of the membrane filter is abutted against the upper end surface of the movable rod; a stirring assembly is provided on the barrel cover, wherein the stirring assembly includes a stirring frame connected to the peripheral side wall of the stirring shaft, the stirring shaft is rotatably connected to the middle part of the barrel cover, and the stirring frame is located inside the membrane filter.

[0009] The present invention is further configured such that the lower surface of the outer barrel is in an annular array, the legs connected thereto are in an I-shape, and the lower surfaces of the legs are connected to the upper surface of the square tube.

[0010] The utility model is further configured such that a feed hopper is connected to the upper surface of the barrel cover, and a screw plug is threadedly connected to the upper surface of the feed hopper.

[0011] The utility model is further configured such that the upper surface of the connecting tube is threadedly connected with a screw cover, the upper end of the movable rod passes through the lower surface of the screw cover, the inner bottom of the connecting tube is connected with a guide rod, and the upper end of the guide rod passes through the movable block and the movable rod in sequence from bottom to top.

[0012] The utility model is further configured such that a screw hole is provided on the upper end surface of the stirring shaft, the upper end of the screw connected to the internal thread of the screw hole is connected to a boss, and the balls arranged in a ring array on the lower surface of the boss are in contact with the upper surface of the barrel cover.

[0013] The present invention is further configured such that three stirring racks are provided on the peripheral side wall of the stirring shaft, and the stirring racks are U-shaped.

[0014] The present invention is further configured such that both ends of the square tube are symmetrically filled with pipe plugs, and a valve is connected to the peripheral side wall of the liquid outlet pipe connected to the outer side wall of the pipe plug.

[0015] The utility model is further configured such that support components are symmetrically arranged on the outer side wall of the square tube, the support components include a handle connected to the upper surface of the sleeve, the sleeve is sleeved on the outer side wall of the square tube, and the anti-slip seat connected to the lower surface of the sleeve is T-shaped.

[0016] The utility model has the following beneficial effects:

[0017] 1. The utility model provides a filter assembly. The staff unscrews the barrel cover clockwise to release the limit on the upper part of the membrane filter. The contracted return spring extends the movable rod to move upward, pushing the membrane filter out of the interior of the outer barrel. The staff pinches the membrane filter and pulls it upward to take it out from the interior of the outer barrel to clean the filter. Conversely, the membrane filter is confined inside the outer barrel, which simplifies the steps of disassembling and assembling the membrane filter, facilitates the cleaning operation of the membrane filter, and reduces the amount of operation.

[0018] 2. The utility model is provided with a stirring assembly. When the staff rotates the cam, the stirring shaft and the stirring frame rotate, thereby stirring and mixing the test tablets and the tablet dissolving liquid inside the membrane filter, which is conducive to accelerating the dissolution efficiency of the test tablets and thus accelerating the efficiency of tablet testing.

[0019] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for describing the embodiments.

[0021] Figure 1 A schematic three-dimensional diagram of a filter that is easy to clean;

[0022] Figure 2 This is a schematic diagram of the connection between the square tube, outer barrel and connecting pipe;

[0023] Figure 3 It is a schematic diagram of the connection between the outer barrel, the filter, the connecting tube and the movable rod;

[0024] Figure 4 It is an exploded schematic diagram of the connecting tube and the movable rod;

[0025] Figure 5 Schematic diagram of the barrel cover, stirring shaft and handle Figure 1 ;

[0026] Figure 6 Schematic diagram of the barrel cover, stirring shaft and handle Figure 2 ;

[0027] Figure 7 This is an exploded diagram of the square tube, pipe plug and sleeve holder.

[0028] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0029] 1-square tube, 101-pipe plug, 101a-liquid outlet pipe, 2-filter assembly, 201-outer barrel, 201a-support foot, 201b-connecting pipe, 201c-valve, 202-barrel cover, 203-feed hopper, 203a-screw plug, 204-connecting cylinder, 204a-screw cover, 204b-guide rod, 205-movable rod, 205a-movable block, 205b-reset spring, 206-membrane filter, 3-stirring assembly, 301-handle, 301a-screw, 301b-ball, 302-stirring shaft, 302a-screw hole, 302b-stirring frame, 4-support assembly, 401-frame, 401a-handle, 402-anti-slip seat. DETAILED DESCRIPTION

[0030] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] Example 1

[0032] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The utility model is a filter that is easy to clean, comprising a square tube 1. A filter assembly 2 is provided on the upper surface of the square tube 1. The filter assembly 2 comprises an outer barrel 201, a barrel cover 202, a feed hopper 203, a connecting tube 204, a screw cover 204a, a guide rod 204b, a movable rod 205, a movable block 205a, a return spring 205b and a membrane filter 206. By unscrewing the barrel cover 202 clockwise, the upper limit of the membrane filter 206 can be released, and the membrane filter 206 can be pushed out of the interior of the outer barrel 201 by the extension of the return spring 205b, thereby facilitating the removal and cleaning of the membrane filter 206 and simplifying the operation steps when disassembling and assembling the membrane filter 206.

[0033] Specifically, the lower surface of the outer barrel 201 is connected to a support leg 201a, the lower surface of the support leg 201a is connected to the upper surface of the square tube 1, the upper end of the connecting tube 201b is connected to the lower surface of the outer barrel 201, and the lower end of the connecting tube 201b is connected to the upper surface of the square tube 1, the peripheral side wall of the connecting tube 201b is connected to a valve 201c, the connecting tube 204 is connected to the inner bottom of the outer barrel 201, the guide rod 204b is connected to the inner bottom of the connecting tube 204, and the peripheral side wall of the guide rod 204b is sleeved with a return spring 205b, the lower end of the return spring 205b is connected to the inner bottom of the connecting tube 204, the upper end of the return spring 205b is connected to a movable block 205a, the movable block 205a is movably arranged inside the connecting tube 204, and the movable block The upper surface of 205a is connected to the movable rod 205, the screw cover 204a is threadedly connected to the upper surface of the connecting tube 204, and the upper end of the movable rod 205 passes through the lower surface of the screw cover 204a, the upper end of the guide rod 204b passes through the movable block 205a and the movable rod 205 in sequence from bottom to top, the membrane filter 206 is sleeved inside the outer barrel 201, and the lower surface of the membrane filter 206 contacts the upper end of the movable rod 205, the barrel cover 202 is threadedly connected to the upper surface of the outer barrel 201, and the lower surface of the barrel cover 202 contacts the upper surface of the membrane filter 206, and the lower surface of the membrane filter 206 is provided with filtering holes, the feed hopper 203 is connected to the upper surface of the barrel cover 202, and a screw plug 203a is threadedly connected to the upper surface of the feed hopper 203;

[0034] Furthermore, three legs 201a are arranged in a circular array on the lower surface of the outer barrel 201, and the legs 201a are in an I-shape, and three connecting tubes 204 are arranged in a circular array on the inner bottom of the outer barrel 201;

[0035] The operating process of this embodiment is as follows: when the staff needs to clean the membrane filter 206, they unscrew the barrel cover 202 clockwise to release the position restriction of the barrel cover 202 on the upper part of the membrane filter 206, and the contracted return spring 205b stretches. The movable block 205a moves upward along the guide rod 204b, and the movable rod 205 moves upward to gradually push the membrane filter 206 out of the interior of the outer barrel 201. Then, the staff pinches the protruding membrane filter 206 with their hands, takes the membrane filter 206 out of the interior of the outer barrel 201, and cleans the membrane filter 206; conversely, the membrane filter 206 is locked inside the outer barrel 201, and the screw plug 203a is unscrewed clockwise, and the inspected tablets and tablet dissolution liquid are introduced into the interior of the membrane filter 206 through the feed hopper 203. Then, the screw plug 203a is rotated counterclockwise to replace the screw plug 203a on the feed hopper 203.

[0036] Example 2

[0037] See also Figure 1 、 Figure 5 and Figure 6 Based on the first embodiment, a stirring assembly 3 is provided. The stirring assembly 3 includes a cam 301, a screw 301a, a ball 301b, a stirring shaft 302, and a stirring frame 302b. Rotating the cam 301 rotates the stirring shaft 302 and the stirring frame 302b, thereby stirring the test tablet and the tablet dissolving liquid inside the membrane filter 206, thereby accelerating the dissolution efficiency of the drug and thus accelerating the efficiency of tablet testing.

[0038] Specifically, the stirring shaft 302 is rotatably connected to the middle portion of the barrel cover 202, and the lower end of the stirring shaft 302 extends into the interior of the membrane filter 206. The stirring frame 302b is connected to the peripheral side wall of the stirring shaft 302. The upper end of the stirring shaft 302 defines a screw hole 302a. The screw 301a is threadedly connected to the interior of the screw hole 302a. The upper end of the screw 301a is connected to the boss 301. The lower surface of the boss 301 is provided with a ball 301b, and the ball 301b contacts the upper surface of the barrel cover 202.

[0039] Furthermore, the balls 301b are arranged in a ring array, the stirring racks 302b are arranged in a ring array, and the stirring racks 302b are U-shaped;

[0040] The operation process of this embodiment is as follows: the staff rotates the cam 301, the ball 301b moves on the upper surface of the barrel cover 202, the stirring shaft 302 rotates, and the stirring frame 302b rotates to stir and mix the test tablets and the tablet dissolving liquid inside the membrane filter 206, thereby accelerating the dissolution efficiency of the test tablets.

[0041] Example 3

[0042] See also Figure 1 and Figure 7 On the basis of the first and second embodiments, a support assembly 4 is provided. The support assembly 4 includes a sleeve 401, a handle 401a and an anti-slip seat 402. The anti-slip seat 402 prevents the support assembly 4 from shifting on the desktop, thereby improving the stability of the square tube 1 on the desktop. The handle 401a is convenient for workers to carry the support assembly 4, thereby facilitating adjustment of the position of the square tube 1 on the desktop.

[0043] Specifically, the sleeve 401 is sleeved on the outer wall of the square tube 1, a handle 401a is connected to the upper surface of the sleeve 401, and an anti-slip seat 402 is connected to the lower surface of the sleeve 401. The pipe plug 101 is plugged into the end of the square tube 1, and the outer wall of the pipe plug 101 is connected to the liquid outlet pipe 101a, and the side wall of the liquid outlet pipe 101a is connected to the valve 201c.

[0044] Furthermore, the support assembly 4 is provided with two groups, the two pipe plugs 101 are symmetrically arranged, the sleeve 401 is in a U-shape, and the anti-slip seat 402 is in a T-shape;

[0045] The operation process of this embodiment is as follows: the staff will prevent the anti-slip seat 402 from being placed on the table steadily, the sleeve 401 will be placed upright on the table steadily, and the square tube 1 will be placed steadily on the table; when it is necessary to take out the liquid medicine for testing, the valve 201c will be opened, and the tablets filtered by the membrane filter 206 will enter the interior of the square tube 1 through the connecting tube 201b, and the liquid medicine inside the square tube 1 will be discharged through the liquid outlet pipe 101a, and then the taken liquid medicine will be tested.

[0046] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0047] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A filter that is easy to clean, comprising a square tube (1), characterized in that: A filter assembly (2) is provided on the upper surface of the square tube (1), and the filter assembly (2) includes a membrane filter (206) sleeved inside the outer barrel (201). The lower end of the connecting pipe (201b) connected to the lower surface of the outer barrel (201) is connected to the upper surface of the square tube (1), and a valve (201c) is connected to the peripheral side wall of the connecting pipe (201b). The inner bottom of the outer barrel (201) is connected to the connecting tube (201c) in an annular array. 204), the upper end surface of the return spring (205b) connected to the inner bottom of the connecting cylinder (204) is connected to a movable block (205a), the upper surface of the movable block (205a) is connected to a movable rod (205), the lower surface of the barrel cover (202) threadedly connected to the upper surface of the outer barrel (201) is abutted against the upper surface of the membrane filter (206), and the lower surface of the membrane filter (206) is abutted against the upper end surface of the movable rod (205); The barrel cover (202) is provided with a stirring assembly (3), the stirring assembly (3) comprising a stirring frame (302b) connected to the peripheral side wall of the stirring shaft (302), the stirring shaft (302) being rotatably connected to the middle part of the barrel cover (202), and the stirring frame (302b) being located inside the membrane filter (206).

2. The filter according to claim 1, wherein: The lower surface of the outer barrel (201) is in an annular array, and the supporting legs (201a) connected thereto are in an I-shape, and the lower surface of the supporting legs (201a) is connected to the upper surface of the square tube (1).

3. The filter according to claim 1, wherein: The upper surface of the barrel cover (202) is connected to a feed hopper (203), and the upper surface of the feed hopper (203) is threadedly connected to a screw plug (203a).

4. The filter according to claim 1, wherein: The upper surface of the connecting tube (204) is threadedly connected to a screw cover (204a), the upper end of the movable rod (205) passes through the lower surface of the screw cover (204a), the inner bottom of the connecting tube (204) is connected to a guide rod (204b), and the upper end of the guide rod (204b) passes through the movable block (205a) and the movable rod (205) in sequence from bottom to top.

5. The filter according to claim 1, wherein: The upper end surface of the stirring shaft (302) is provided with a screw hole (302a), the upper end of a screw rod (301a) connected to the internal thread of the screw hole (302a) is connected to a cam (301), and the lower surface of the cam (301) is provided with balls (301b) arranged in a circular array and in contact with the upper surface of the barrel cover (202).

6. The filter that is easy to clean according to claim 5, characterized in that: Three stirring racks (302b) are provided on the peripheral side wall of the stirring shaft (302), and the stirring racks (302b) are U-shaped.

7. The filter according to claim 1, wherein: Both ends of the square tube (1) are symmetrically filled with pipe plugs (101), and a valve (201c) is connected to the peripheral side wall of the liquid outlet pipe (101a) connected to the outer side wall of the pipe plug (101).

8. The filter that is easy to clean according to claim 7, characterized in that: A support assembly (4) is symmetrically arranged on the outer wall of the square tube (1), and the support assembly (4) includes a handle (401a) connected to the upper surface of a sleeve (401). The sleeve (401) is sleeved on the outer wall of the square tube (1), and the anti-slip seat (402) connected to the lower surface of the sleeve (401) is T-shaped.

Citation Information

Patent Citations

  • Medicine inspection filter convenient to clean

    CN221832015U