Biological detection sample impurity filtering device
By using a closed filter box and a multi-layer filter design, the problems of easy contamination and uneven filtration in existing devices are solved, and high-precision filtration of biological detection samples is achieved.
Patent Information
- Application Number
- CN202520281661.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-21
AI Technical Summary
Existing biological testing sample filtration devices are open-type, which are easily contaminated by bacteria, resulting in poor accuracy in detecting microbial content and making it difficult to filter slowly and evenly.
It adopts a closed filter box design, combining a siphon and a slow-speed motor-driven inclined rod. The siphon is formed through a siphon hose and a squeeze air chamber, and the sample is slowly and uniformly filtered with multiple filter layers (stainless steel, non-woven fabric and activated carbon filter layers).
It effectively reduces bacterial contamination, improves the accuracy of microbial content detection, and enhances filtration efficiency through multiple filtration stages.
Smart Images

Figure CN223732305U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of impurity filtering devices, in particular to a kind of biological detection sample impurity filtering device, belong to biological detection sample impurity filtering technical field. BACKGROUND
[0002] Biological sample is usually referred to as the flower, leaf, stem, root, seed etc. of plant, the body fluid (such as urine, blood, saliva, bile, gastric juice, lymph and other secretions of biological body etc.), hair, muscle and some tissue organs (such as thymus, pancreas, liver, lung, brain, stomach, kidney etc.) of animal (including human) and various microorganisms, and biological detection sample needs to use impurity filtering device in the process of detection, filters impurity therein.
[0003] Among them, the biological detection sample impurity filtering device with the application number "CN202020222951.4" can include a box body, guide rods are movably sleeved on the two side walls of the box body, a fixed cover is welded on one end of the two guide rods that are close to each other, springs that are sleeved outside the guide rods are connected between the fixed cover and the inner wall of the box body, a filter screen is fixedly connected to the bottom of the fixed cover, a baffle is fixedly connected to the bottom of the filter screen, a double-shaft motor is arranged below the baffle, a cam is fixedly sleeved on the top end output shaft of the double-shaft motor, and a rotating shaft is rotatably connected to the right side of the bottom inner wall of the box body. The utility model is novel in design and easy to operate. Not only can the filter screen be reciprocally driven to screen, but also the soil can be scraped off to avoid soil accumulation, which is conducive to improving the screening and filtering efficiency and is suitable for market promotion. In further search, it is found that the application number "CN202120938069.4" is a kind of chestnut deep processing variety microbial content safety detection table, which includes a detection platform, a leakage tank is arranged inside the detection platform, and supporting legs are uniformly arranged on the lower side; a detection box is arranged on the upper side of the detection platform, a rotating sample collecting device is arranged inside the detection box, a sampling box is connected on one side, and a crushing and stirring box is connected on the upper side; a flushing head is arranged in the detection box and located at the upper end of the detection platform; an inclined curved sampling pipe penetrates the side wall of the detection box at the highest position and is located on the upper side of the rotating sample collecting device; a pull rod penetrates the side wall of the detection box at one end and is connected to the highest position of the inclined curved sampling pipe through a spring; and a sample flow guide pipe is provided with a flow guide valve and connected to a filter box at one end. The utility model avoids the poor accuracy of microbial content detection caused by dust, impurities and bacteria pollution, and improves the detection accuracy through the closed detection table.
[0004] However, the above two types still have certain deficiencies in use. The existing filtering device is an open type filtering device, which is easy to be contaminated by bacteria, resulting in poor accuracy of microbial content detection, and it is not convenient to slowly and uniformly filter, which affects the filtering effect and the accuracy of microbial content detection. UTILITY MODEL CONTENT
[0005] The utility model discloses a biological detection sample impurity filtering device to solve the problem that the existing filtering device is open type filtering device, is easily polluted by bacteria and is inconvenient to filter slowly and uniformly.
[0006] To achieve the above object, the utility model provides the following technical scheme: a biological detection sample impurity filtering device, including the filter box, the both sides of one side of the inner wall of filter box are equipped with sample cylinder through connecting rod, the inside of filter box is equipped with uniform component and filter component, the uniform component includes two siphon hoses and two filter drums, and the two siphon hoses are arranged in the middle of the top of the inner wall of filter box, and the two filter drums are rotatably arranged at the bottom of the other side of the inner wall.
[0007] As a preferred technical scheme of the utility model, the middle part of the two siphon hoses is equipped with a squeeze air cavity, and the both sides of the other side of the bottom end of the inner wall of the filter box are rotatably provided with inclined rods through bearings, and the top end of the inclined rod is connected to the middle part of the bottom end of the filter drum.
[0008] As a preferred technical scheme of the utility model, the bottom end of the inclined rod is sleeved with a conveying disc, and one side of the other side of the bottom end of the filter box is provided with a slow motor, and the output shaft of the slow motor is connected to the bottom end of one of the inclined rods.
[0009] As a preferred technical scheme of the utility model, the two conveying discs are connected through a conveying belt.
[0010] As a preferred technical scheme of the utility model, the bottom end of the two first filter layers is provided with a second filter layer, and the bottom end of the two second filter layers is provided with a third filter layer.
[0011] As a preferred technical scheme of the utility model, the two first filter layers are made of stainless steel, the two second filter layers are made of non-woven fabric, and the two third filter layers are made of activated carbon.
[0012] As a preferred technical scheme of the utility model, the both sides of one side of the top end of the filter box are provided with inlet pipes, the bottom end of the two filter drums is provided with outlet pipes, the top end of the inlet pipe and the bottom end of the outlet pipe are both provided with screw caps, the other side of the filter box is hinged with a box door through a hinge, the bottom end of the filter box is provided with supporting legs, one corner of the side of the filter box is provided with a slow motor switch, and the slow motor is electrically connected to an external power supply through the slow motor switch.
[0013] Compared with the related art, the biological detection sample impurity filtering device has the following beneficial effects:
[0014] The sample in the sample cylinder is siphoned to the filter cylinder through the whole simple siphon formed by the siphon hose and the extrusion air cavity in the uniform assembly, and the slow motor drives the inclined rod to rotate while the sample is introduced into the filter cylinder, so that the sample is uniformly covered and contacted with the first filter layer in the filter assembly through the rotation of the inclined rod in cooperation with the filter cylinder, thereby facilitating slow and uniform filtration, improving the filtration effect, and reducing the bacterial pollution and improving the accuracy of the microorganism content detection since the sample cylinder and the filter cylinder are arranged in the filter box and are not exposed outdoors. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structure schematic view of the utility model;
[0016] Figure 2 It is a structure schematic view of the utility model;
[0017] Figure 3 It is a structure schematic view of the utility model;
[0018] Figure 4 It is a structure schematic view of the utility model.
[0019] In the drawing: 1, filter box; 2, sample cylinder; 3, connecting rod; 4, uniform assembly; 41, siphon hose; 42, extrusion air cavity; 43, filter cylinder; 44, inclined rod; 45, bearing; 46, conveying disc; 47, conveying belt; 48, slow motor; 5, filter assembly; 51, first filter layer; 52, second filter layer; 53, third filter layer; 6, inlet pipe; 7, threaded cap; 8, slow motor switch; 9, box door; 10, supporting leg; 11, outlet pipe. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0021] Please refer to Figures 1-4 The utility model provides a kind of biological detection sample impurity filtering device, including filter box 1, the two sides of the inner wall of filter box 1 are equipped with sample cylinder 2 by connecting rod 3, sample cylinder 2 is equipped with two, the inside of filter box 1 is equipped with uniform assembly 4 and filter assembly 5;
[0022] The uniform assembly 4 comprises two siphon hoses 41 arranged at the middle of the top end of the inner wall of the filter box 1 and two filter cartridges 43 rotatably arranged at the bottom of the other side of the inner wall, so as to form a siphon device;
[0023] The middle of each of the two siphon hoses 41 is provided with a squeeze air cavity 42, and the other side of the bottom end of the inner wall of the filter box 1 is rotatably provided with two bevel rods 44 penetratingly arranged through bearings 45, the bevel rods 44 are provided with two, the top end of the bevel rod 44 is connected to the middle of the bottom end of the filter cartridge 43, the squeeze air cavity 42 cooperates with the siphon hose 41 to form a simple siphon device, and the siphon is facilitated;
[0024] The bottom of each of the bevel rods 44 is sleeved with a conveying disc 46, the conveying disc 46 is provided with two, one side of the other side of the bottom end of the filter box 1 is provided with a slow-speed motor 48, the output shaft of the slow-speed motor 48 is connected to the bottom end of one of the bevel rods 44, so as to drive it to rotate;
[0025] The two conveying discs 46 are connected through a conveying belt 47, the slow-speed motor 38 drives one of the bevel rods 44 to rotate, and the rotation of the bevel rod 44 cooperates with the conveying belt 47 and the conveying disc 46 to make the two bevel rods 44 rotate at the same time, so as to drive the two bevel rods to rotate at the same time;
[0026] Two inlet pipes 6 are penetratingly arranged at the two sides of the top end of the filter box 1, the two inlet pipes 6 are provided with two, the bottom end of each of the two filter cartridges 43 is penetratingly provided with an outlet pipe 11, the outlet pipe 11 is provided with two, the top end of the inlet pipe 6 and the bottom end of the outlet pipe 11 are both provided with a threaded cover 7, the other side of the filter box 1 is hingedly connected with a box door 9, the box door 9 is convenient to open to take out the material, the bottom end of the filter box 1 is provided with four supporting legs 10, the four supporting legs 10 are respectively arranged at the four corners of the bottom end of the filter box 1, one corner of the side of the filter box 1 is provided with a slow-speed motor switch 8, the slow-speed motor 48 is electrically connected with an external power supply through the slow-speed motor switch 8, and the slow-speed motor 48 is convenient to control respectively;
[0027] Specifically, the squeeze air cavity 42 in the uniform assembly 4 cooperates with the siphon hose 41 to form a simple siphon device, the sample in the sample cartridge 2 is siphoned to the filter cartridge 43, and the slow-speed motor 38 drives one of the bevel rods 44 to rotate at the same time, the rotation of the bevel rod 44 cooperates with the conveying belt 47 and the conveying disc 46 to make the two bevel rods 44 rotate at the same time, so as to facilitate slow and uniform filtration.
[0028] The filter assembly 5 comprises two first filter layers 51, and the two first filter layers 51 are respectively arranged in the interiors of the two filter cartridges 43, so as to facilitate filtration;
[0029] The bottom end of each of the two first filter layers 51 is provided with a second filter layer 52, and the bottom end of each of the two second filter layers 52 is provided with a third filter layer 53, so as to facilitate further filtration.
[0030] The two first filter layers 51 are made of stainless steel, the two second filter layers 52 are made of non-woven fabric, and the two third filter layers 53 are made of activated carbon, and the sample is filtered layer by layer through the first filter layer 51, the second filter layer 52 and the third filter layer 53.
[0031] Specifically, the first filter layer 51 in the filtering assembly 5 uniformly covers and contacts, and the sample is filtered layer by layer through the first filter layer 51, the second filter layer 52 and the third filter layer 53, so as to facilitate slow and uniform filtration, improve the filtration effect and improve the accuracy of microorganism content detection.
[0032] In use, first, the threaded cover 7 is opened, and the sample to be filtered is introduced into the sample cylinder 2. The sample cylinder 2 and the filtering cylinder 43 are arranged in the filtering box 1 and cannot be exposed to the outdoor environment, so as to reduce certain bacterial pollution. The sample in the sample cylinder 2 is siphoned to the filtering cylinder 43 through the combination of the extrusion air cavity 42 and the siphon hose 41 in the uniform assembly 4 to form an integrated simple siphon, and the slow motor 38 drives one of the inclined rods 44 to rotate at the same time as the sample is introduced into the filtering cylinder 43. The rotation of the inclined rod 44 is matched with the conveyor belt 47 and the conveying disc 46 to make the two inclined rods 44 rotate at the same time. The inclination of the inclined rod 44 is matched with the filtering cylinder 43 to rotate to make the sample uniformly cover and contact the first filter layer 51 in the filtering assembly 5. The sample is filtered layer by layer through the first filter layer 51, the second filter layer 52 and the third filter layer 53, so as to facilitate slow and uniform filtration, improve the filtration effect and improve the accuracy of microorganism content detection.
[0033] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A biological sample impurity filtering device comprising a filtering box (1), characterized in that, The both sides of one side of the inner wall of the filter box (1) are provided with sample cylinders (2) through connecting rods (3), and the inside of the filter box (1) is provided with uniform assemblies (4) and filter assemblies (5); The uniform assemblies (4) comprise two siphon hoses (41) and two filter cylinders (43), the two siphon hoses (41) are arranged at the middle of the top end of the inner wall of the filter box (1), and the two filter cylinders (43) are rotatably arranged at the bottom of the other two sides of the inner wall. The filter assemblies (5) comprise two first filter layers (51), and the two first filter layers (51) are arranged in the interiors of the two filter cylinders (43) respectively.
2. The biological detection sample impurity filtering device according to claim 1, characterized in that: The middle parts of the two siphon hoses (41) are provided with extrusion air cavities (42) in communication, the other two sides of the bottom end of the inner wall of the filter box (1) are rotatably provided with inclined rods (44) through bearings (45), and the top ends of the inclined rods (44) are connected with the middle parts of the bottom ends of the filter cylinders (43).
3. The biological detection sample impurity filtering device according to claim 2, characterized in that: The bottoms of the inclined rods (44) are all sleeved with conveying discs (46), one side of the other side of the bottom end of the filter box (1) is provided with a slow-speed motor (48), and the output shaft of the slow-speed motor (48) is connected with the bottom end of one of the inclined rods (44).
4. The biological detection sample impurity filtering device according to claim 3, characterized in that: The two conveying discs (46) are connected through a conveying belt (47).
5. The biological detection sample impurity filtering device according to claim 1, characterized in that: The bottoms of the two first filter layers (51) are all provided with second filter layers (52), and the bottoms of the two second filter layers (52) are all provided with third filter layers (53).
6. The biological detection sample impurity filtering device according to claim 5, characterized in that: The two first filter layers (51) are all made of stainless steel, the two second filter layers (52) are all made of non-woven fabric, and the two third filter layers (53) are all made of activated carbon.
7. The biological detection sample impurity filtering device according to claim 3, characterized in that: The other two sides of the top end of the filter box (1) are rotatably provided with inlet pipes (6), the bottoms of the two filter cylinders (43) are rotatably provided with outlet pipes (11), the top end of the inlet pipe (6) and the bottom end of the outlet pipe (11) are all provided with threaded covers (7) in a threaded mode, the other side of the filter box (1) is hingedly provided with a box door (9), the bottom end of the filter box (1) is provided with supporting legs (10), one corner of the side of the filter box (1) is provided with a slow-speed motor switch (8), and the slow-speed motor (48) is electrically connected with an external power supply through the slow-speed motor switch (8).
Citation Information
Patent Citations
Biological detection sample impurity filtering device
CN211652298U
Safety detection table for microorganism content of Chinese chestnut deep-processed variety
CN214584395U