Microorganism sampling and detecting device convenient to sample

Abstract

The utility model discloses a microorganism sampling and detecting device convenient to sample, which relates to the technical field of microorganism sampling and comprises a sampling cylinder, a filter cylinder and a feeding cylinder, a mounting frame is fixed above the sampling cylinder, a sampling component is mounted in the mounting frame, a disinfection and sterilization component is mounted outside the sampling cylinder, and the feeding cylinder is connected with the sampling cylinder. The disinfection and sterilization assembly comprises an outer cover frame and ultraviolet disinfection lamps, the outer cover frame is fixedly connected with the sampling cylinder, six groups of ultraviolet disinfection lamps are uniformly distributed in the outer cover frame in an annular array shape, the lower part of the sampling cylinder is connected with a filtering cylinder through a connecting assembly, and a filtering piece is fixed in the filtering cylinder; and the lower part of the filter cylinder is connected with a feeding cylinder through a connecting assembly. According to the microorganism sampling and detecting device convenient to sample, six groups of ultraviolet disinfection lamps which are uniformly distributed outside the device in an annular array shape are convenient to irradiate and sterilize the interior of a vacant sampling barrel before use, and part of microorganisms remaining in the sampling barrel are prevented from polluting a water sample.

Description

Technical Field

[0001] The utility model relates to the technical field of microbial sampling, in particular to a microbial sampling and detection device which is convenient for sampling. Background Art

[0002] Some of the microorganisms in the environment are pathogenic and pose a threat to human health when they reach a certain concentration. Therefore, accurately detecting the composition of microorganisms in the environment is of great significance to protecting human health. Sampling and detection devices are required when sampling microorganisms.

[0003] For example, the utility model with application number CN202122083761.6 discloses a sampling device for water quality microbial detection, which is similar to the microbial sampling and detection device in the above application. However, it currently has the following shortcomings: during the liquid medium sampling process, the sampling tube itself contains a certain amount of residual microorganisms, which can easily cause contamination after being added to the sampled water body, resulting in insufficient purity of the subsequent water samples.

[0004] Therefore, in view of this, the existing structure and deficiencies are studied and improved, and a microbial sampling and detection device that is convenient for sampling is proposed. Utility Model Content

[0005] The purpose of the present invention is to provide a microbial sampling and detection device that is convenient for sampling, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a microbial sampling and detection device that is convenient for sampling, comprising a sampling barrel, a filter barrel and a feed barrel, a mounting frame fixed above the sampling barrel, and a sampling assembly installed inside the mounting frame, a disinfection and sterilization assembly installed outside the sampling barrel, and the disinfection and sterilization assembly comprises an outer cover frame and an ultraviolet disinfection lamp, the outer cover frame is fixedly connected to the sampling barrel, and six groups of ultraviolet disinfection lamps are evenly distributed in a circular array inside the outer cover frame, the bottom of the sampling barrel is connected to the filter barrel through a connecting assembly, and a filter element is fixed inside the filter barrel, the bottom of the filter barrel is connected to the feed barrel through a connecting assembly, and a feed nozzle is integrated and fixed inside the feed barrel, and an impurity removal and anti-blocking assembly is installed below the inside of the feed barrel.

[0007] Furthermore, the sampling assembly includes a micro cylinder, a piston rod and a piston block. The piston rod is provided on the lower side of the micro cylinder, and the piston block is fixed to the bottom of the piston rod.

[0008] Furthermore, the piston block is located inside the sampling cylinder and is slidably connected to the sampling cylinder, and the sampling cylinder is a transparent structure.

[0009] Furthermore, the connecting assembly includes a threaded joint and an external sleeve. A threaded joint is fixed on the outer side of the lower end of the sampling cylinder and the filter cylinder, and an external thread is provided on the outer side of the threaded joint. The upper ends of the filter cylinder and the feed cylinder are both fixed with an external sleeve, and the external sleeve and the threaded joint are threadedly connected.

[0010] Furthermore, the connecting assembly also includes a sealing ring, and the lower ends of the sampling cylinder and the filter cylinder and the upper ends of the filter cylinder and the feed cylinder are all fixed with sealing rings, and the sealing rings are specifically lip-shaped sealing rings.

[0011] Furthermore, the feed nozzle, the filter cylinder, and the sampling cylinder are interconnected, and the vertical center lines of the feed nozzle, the filter cylinder, and the sampling cylinder coincide with each other.

[0012] Furthermore, the impurity removal and anti-blocking component includes a filter screen, a connecting rod and a micro motor. The filter screen is fixedly connected to the feed barrel, and a micro motor is fixed to one side of the inner side of the feed barrel through the connecting rod.

[0013] Furthermore, the impurity removal and anti-blocking component also includes an anti-blocking brush. The outside of the output shaft on the lower side of the micro motor is connected with an anti-blocking brush, and the upper side of the anti-blocking brush is in contact with the lower side of the filter. At the same time, the output shaft passes through the filter and is rotatably connected to the filter.

[0014] The utility model provides a microbial sampling and detection device that is convenient for sampling and has the following beneficial effects:

[0015] The utility model is provided with a disinfection and sterilization component and a sampling component. The sampling tube has a transparent structure, and six groups of ultraviolet disinfection lamps are evenly distributed in a circular array on its outside, which is convenient for pre-irradiation and sterilization of the inside of the empty sampling tube before use, avoiding the situation where some microorganisms remain in the sampling tube to contaminate the water sample, resulting in insufficient purity of the water sample sampled subsequently. The sampling component is convenient for sampling water bodies containing microorganisms.

[0016] The utility model is provided with a connecting assembly. The arrangement of the threaded joint and the external sleeve facilitates the disassembly and assembly between the sampling cylinder and the filter cylinder, as well as the disassembly and assembly between the filter cylinder and the feed cylinder, thereby facilitating the disassembly and cleaning of each component and the replacement of damaged components. The sealing rings at the connections of the components are lip-shaped sealing rings, which can enhance the sealing of the connections. At the same time, the inner diameters of the interface parts are consistent and do not affect the use of the piston block.

[0017] The utility model is provided with an impurity removal and anti-blocking component. The filter screen is used to intercept larger impurities in the water body during the sampling process to prevent impurities from entering the feed nozzle. The micro motor and the output shaft are used to drive the anti-blocking brush to rotate, so that the anti-blocking brush can clean the filter screen below the feed nozzle to prevent the filter screen from being blocked and affecting the sampling process. The filter element inside the filter cartridge is provided with a plurality of coarse filter holes for filtering impurities or other foreign matter in the water sample. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the internal half-section structure of a microbial sampling and detection device that facilitates sampling in the present invention;

[0019] Figure 2 This is a schematic diagram of a half-section exploded structure of a microbial sampling and detection device for convenient sampling in the utility model;

[0020] Figure 3 This is a schematic diagram of the overall explosion structure of a microbial sampling and detection device that is convenient for sampling in the utility model;

[0021] Figure 4 This is a schematic diagram of the overall external structure of a microbial sampling and detection device that is convenient for sampling in the present invention.

[0022] In the figure: 1. Sampling cylinder; 2. Mounting frame; 3. Sampling assembly; 301. Micro cylinder; 302. Piston rod; 303. Piston block; 4. Disinfection and sterilization assembly; 401. Outer cover frame; 402. Ultraviolet disinfection lamp; 5. Connecting assembly; 501. Threaded joint; 502. External sleeve; 503. Sealing ring; 6. Filter cylinder; 7. Filter element; 8. Feed cylinder; 9. Feed nozzle; 10. De-impurity and anti-blocking assembly; 1001. Filter screen; 1002. Connecting rod; 1003. Micro motor; 1004. Anti-blocking brush. DETAILED DESCRIPTION

[0023] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0024] like Figure 1 、 Figure 2 and Figure 4 As shown, a microbial sampling and detection device for convenient sampling includes a sampling cylinder 1, a filter cylinder 6 and a feed cylinder 8. A mounting frame 2 is fixed above the sampling cylinder 1, and a sampling assembly 3 is installed inside the mounting frame 2. The sampling assembly 3 includes a micro cylinder 301, a piston rod 302 and a piston block 303. A piston rod 302 is provided on the lower side of the micro cylinder 301, and a piston block 303 is fixed to the bottom of the piston rod 302. The piston block 303 is located inside the sampling cylinder 1 and is slidably connected to the sampling cylinder 1, and the sampling cylinder 1 has a transparent structure. The feed nozzle 9, the filter cylinder 6 and the sampling cylinder 1 are interconnected, and the vertical center lines of the feed nozzle 9, the filter cylinder 6 and the sampling cylinder 1 coincide with each other; the micro cylinder 301 and the piston rod 302 are used to drive the piston block 303 to rise and fall, and the piston block 303 slides inside the sampling cylinder 1, so that the external water containing microorganisms can be drawn into the interior of the sampling cylinder 1 under the action of negative pressure to complete the sampling.

[0025] like Figure 1-Figure 2 As shown, a disinfection and sterilization component 4 is installed on the outside of the sampling cylinder 1, and the disinfection and sterilization component 4 includes an outer cover frame 401 and an ultraviolet disinfection lamp 402. The outer cover frame 401 is fixedly connected to the sampling cylinder 1, and the interior of the outer cover frame 401 is evenly distributed with six groups of ultraviolet disinfection lamps 402 in a circular array. The bottom of the sampling cylinder 1 is connected to a filter cylinder 6 through a connecting component 5, and a filter element 7 is fixed inside the filter cylinder 6. The bottom of the filter cylinder 6 is connected to a feed cylinder 8 through a connecting component 5, and a feed nozzle 9 is fixed inside the feed cylinder 8; the sampling cylinder 1 has a transparent structure, so that the six groups of ultraviolet disinfection lamps 402 evenly distributed in a circular array on its outside are convenient for pre-irradiation and sterilization of the interior of the sampling cylinder 1 that is vacant before use, so as to avoid the situation where some microorganisms remain in the sampling cylinder 1 to contaminate the water sample, resulting in insufficient purity of the water sample sampled subsequently. The filter element 7 inside the filter cylinder 6 is provided with a number of coarse filter holes for filtering impurities or other foreign matter in the water sample.

[0026] like Figure 2-Figure 3 As shown, the connecting assembly 5 includes a threaded joint 501 and an external sleeve 502. The outer side of the lower end of the sampling cylinder 1 and the filter cylinder 6 is fixed with a threaded joint 501, and the outer side of the threaded joint 501 is provided with an external thread. The upper ends of the filter cylinder 6 and the feed cylinder 8 are fixed with an external sleeve 502, and the external sleeve 502 is threadedly connected to the threaded joint 501. The connecting assembly 5 also includes a sealing ring 503. The lower ends of the sampling cylinder 1 and the filter cylinder 6 and the upper ends of the filter cylinder 6 and the feed cylinder 8 are all fixed with a sealing ring 503, and the sealing ring 503 is specifically a lip-shaped sealing ring; the setting of the threaded joint 501 and the external sleeve 502 facilitates the disassembly and assembly between the sampling cylinder 1 and the filter cylinder 6 and the disassembly and assembly between the filter cylinder 6 and the feed cylinder 8, thereby facilitating the disassembly and cleaning of each component, and also facilitating the replacement of damaged components. The sealing ring 503 at the connection of each component is a lip-shaped sealing ring, which can enhance the sealing of the connection. At the same time, the consistent inner diameter of the interface part does not affect the use of the piston block 303.

[0027] like Figure 1-Figure 2As shown, a debris removal and anti-blocking assembly 10 is installed at the lower part of the feed barrel 8, and the debris removal and anti-blocking assembly 10 includes a filter 1001, a connecting rod 1002 and a micro motor 1003. The filter 1001 is fixedly connected to the feed barrel 8, and a micro motor 1003 is fixed to one side of the inner part of the feed barrel 8 through the connecting rod 1002. The debris removal and anti-blocking assembly 10 also includes an anti-blocking brush 1004. The outside of the output shaft on the lower side of the micro motor 1003 is connected to the anti-blocking brush 1004, and the upper side of the anti-blocking brush 1004 is fixed to the outer side of the output shaft on the lower side of the micro motor 1003. The surface fits with the lower side surface of the filter 1001, and the output shaft passes through the filter 1001 and is rotatably connected to the filter 1001; the filter 1001 is used to intercept larger impurities in the water during the sampling process to prevent impurities from entering the feed nozzle 9. The micro motor 1003 and the output shaft are used to drive the anti-blocking brush 1004 to rotate, so that the anti-blocking brush 1004 can prevent and clean the filter 1001 below the feed nozzle 9 to prevent the filter 1001 from being blocked and affecting the sampling process.

[0028] In summary, if Figure 1-Figure 4 As shown, the microbial sampling and detection device for convenient sampling allows the ultraviolet disinfection lamp 402 to irradiate and sterilize the inside of the empty sampling tube 1 before sampling to avoid the situation where some microorganisms remain in the sampling tube 1. When in use, the feed tube 8 can first be immersed to the sampling depth of the external water body, and then the piston block 303 can be driven to rise and fall by the micro cylinder 301 and the piston rod 302. The piston block 303 slides inside the sampling tube 1, so that the external water body containing microorganisms can be drawn into the interior of the sampling tube 1 under the action of negative pressure. In this process, the filter screen 1001 can intercept larger impurities in the water body during the sampling process to prevent impurities from entering the feed nozzle 9. At the same time, the micro The motor 1003 and the output shaft drive the anti-blocking brush 1004 to rotate, so that the anti-blocking brush 1004 can clean the filter screen 1001 below the feed nozzle 9 to prevent blockage, thereby preventing the filter screen 1001 from being blocked and affecting the sampling process. Then the filter element 7 inside the filter cartridge 6 is provided with a number of coarse filter holes to filter impurities or other foreign matter in the water sample, and finally the sampling is completed. During use, the setting of the threaded joint 501 and the external sleeve 502 facilitates the disassembly and assembly between the sampling cartridge 1 and the filter cartridge 6, as well as the disassembly and assembly between the filter cartridge 6 and the feed cartridge 8, thereby facilitating the disassembly and cleaning of each component, and also facilitating the replacement of damaged components, thereby completing the use process of the microbial sampling and detection device that facilitates sampling.

[0029] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. A microbial sampling and detection device for convenient sampling, comprising a sampling cylinder (1), a filter cylinder (6) and a feed cylinder (8), characterized in that: A mounting frame (2) is fixed above the sampling cylinder (1), and a sampling assembly (3) is installed inside the mounting frame (2). A disinfection and sterilization assembly (4) is installed outside the sampling cylinder (1), and the disinfection and sterilization assembly (4) includes an outer cover frame (401) and an ultraviolet disinfection lamp (402). The outer cover frame (401) is fixedly connected to the sampling cylinder (1), and six groups of ultraviolet disinfection lamps (402) are evenly distributed in a circular array inside the outer cover frame (401). The bottom of the sampling cylinder (1) is connected to a filter cylinder (6) through a connecting assembly (5), and a filter element (7) is fixed inside the filter cylinder (6). The bottom of the filter cylinder (6) is connected to a feed cylinder (8) through a connecting assembly (5), and a feed nozzle (9) is fixed inside the feed cylinder (8). A decontamination and anti-blocking assembly (10) is installed below the inside of the feed cylinder (8).

2. A convenient microbial sampling and detection device according to claim 1, characterized in that: The sampling assembly (3) comprises a micro cylinder (301), a piston rod (302) and a piston block (303). The piston rod (302) is provided on the lower side of the micro cylinder (301), and the piston block (303) is fixed to the bottom of the piston rod (302).

3. A convenient microbial sampling and detection device according to claim 2, characterized in that: The piston block (303) is located inside the sampling cylinder (1) and is slidably connected to the sampling cylinder (1), and the sampling cylinder (1) has a transparent structure.

4. The microbial sampling and detection device for convenient sampling according to claim 1, characterized in that: The connecting assembly (5) comprises a threaded joint (501) and an external sleeve (502); the threaded joint (501) is fixed to the outer side of the lower end of the sampling cylinder (1) and the filter cylinder (6), and the outer side of the threaded joint (501) is provided with an external thread; the upper ends of the filter cylinder (6) and the feed cylinder (8) are both fixed with an external sleeve (502), and the external sleeve (502) and the threaded joint (501) are threadedly connected.

5. The microbial sampling and detection device for convenient sampling according to claim 1, characterized in that: The connecting assembly (5) further comprises a sealing ring (503), and the lower ends of the sampling cylinder (1) and the filter cylinder (6) and the upper ends of the filter cylinder (6) and the feed cylinder (8) are all fixed with sealing rings (503), and the sealing rings (503) are specifically lip-shaped sealing rings.

6. The microbial sampling and detection device for convenient sampling according to claim 1, characterized in that: The feed nozzle (9), the filter cylinder (6), and the sampling cylinder (1) are interconnected, and the vertical center lines of the feed nozzle (9), the filter cylinder (6), and the sampling cylinder (1) coincide with each other.

7. The microbial sampling and detection device for convenient sampling according to claim 1, characterized in that: The impurity removal and anti-blocking assembly (10) comprises a filter screen (1001), a connecting rod (1002) and a micro motor (1003); the filter screen (1001) is fixedly connected to the feed barrel (8), and the micro motor (1003) is fixed to one side of the interior of the feed barrel (8) via the connecting rod (1002).

8. The microbial sampling and detection device for convenient sampling according to claim 7, characterized in that: The impurity removal and anti-blocking assembly (10) further comprises an anti-blocking brush (1004), the anti-blocking brush (1004) being externally connected to the output shaft on the lower side of the micro motor (1003), and the upper side of the anti-blocking brush (1004) being in contact with the lower side of the filter (1001), while the output shaft penetrates the filter (1001) and is rotatably connected to the filter (1001).

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