Quantitative subpackaging device for culture medium

Abstract

The utility model relates to the technical field of experimental instruments, and provides a culture medium quantitative split charging device which comprises a mounting plate. The hand twisting wire is manually rotated, so that the sliding rod and the hollow block are loosened, after loosening, the sliding rod is pulled, the sliding rod is linked to slide in the hollow block, lifting adjustment is conducted on the liquid level sensor, when the liquid level sensor is adjusted in an up-down lifting mode, scales on the measuring cup are observed, and quantitative subpackaging can be conducted on a culture medium; when the liquid level sensor cannot detect liquid in the measuring cup, information is transmitted to the controller, the controller controls the first electromagnetic valve to be closed and controls the second electromagnetic valve to be started to enable the liquid in the storage tank to be discharged into the measuring cup, and when the liquid level sensor detects the liquid in the measuring cup, the controller controls the second electromagnetic valve to be closed and controls the first electromagnetic valve to be started to enable the liquid in the storage tank to be discharged into the measuring cup. Quantitative liquid in the measuring cup is discharged from the lower leakage pipe, so that the purpose of automatic quantitative split charging is achieved, and the working efficiency of quantitative split charging of the culture medium is effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of experimental instruments, and in particular relates to a culture medium quantitative dispensing device. Background Art

[0002] With the rapid development of microbial technology, in microbial experiments, the packaging of culture medium is applied in various fields of microbial research, especially in microbial detection, where the pouring plate test is often used to count the number of microbial colonies. Among them, the packaging of solid plate culture medium used to culture microorganisms is an extremely important part of the entire experiment.

[0003] Known Chinese Public Authorized Utility Model: (Publication No.: CN216549610U) discloses a simple culture medium dispensing device, the dispensing device comprises a liquid storage bottle, a liquid storage cavity is arranged below the liquid storage bottle, a quantitative cavity is arranged below the liquid storage cavity, a scale line is arranged on the outer wall of the quantitative cavity, a first valve is arranged on the liquid storage cavity, the lower end of the quantitative cavity is connected to a liquid discharge pipe, and a second valve is arranged on the liquid discharge pipe. The utility model solves the problem that it is difficult to dispense culture medium in the prior art, and there is inaccuracy in the dispensing of culture medium during the dispensing process.

[0004] However, in the implementation of relevant technologies, it was found that the above-mentioned simple culture medium filling device has the following problems: the prior art is not convenient for the purpose of automatic quantitative filling of the culture medium during use. When the culture medium is quantitatively filled, manual operation is required, which is time-consuming and labor-intensive, thereby reducing the work efficiency of the culture medium quantitative filling. Therefore, a culture medium quantitative filling device is proposed. Utility Model Content

[0005] The utility model provides a culture medium quantitative packaging device, which solves the problem that it is inconvenient to automatically quantitatively package the culture medium in the related art. When the culture medium is quantitatively packaged, manual operation is required, which is time-consuming and labor-intensive, thereby reducing the work efficiency of the culture medium quantitative packaging.

[0006] The technical solution of the utility model is as follows: a culture medium quantitative dispensing device, comprising a mounting plate, a storage tank and a measuring cup respectively fixedly mounted on one side of the mounting plate, the measuring cup being located below the storage tank;

[0007] A liquid discharge pipe fixedly connected to the bottom of the measuring cup, a solenoid valve 1 arranged on the outer side wall of the liquid discharge pipe, a lower leakage pipe fixedly connected to the bottom end of the storage tank and a solenoid valve 2 arranged on the outer side wall of the lower leakage pipe;

[0008] A hollow block fixedly mounted on the rear side of the measuring cup, a sliding rod movably passing through the inside of the hollow block, a fixed rod fixedly connected to the top of the sliding rod through a connecting block and a hand screw threaded through one side of the hollow block, one end of the hand screw extending to the inside of the hollow block and contacting the outer side wall of the sliding rod, the bottom end of the fixed rod is located inside the measuring cup and fixedly connected to a liquid level sensor;

[0009] The liquid level sensor is electrically connected between the first solenoid valve and the second solenoid valve through the controller;

[0010] A rotating mechanism is arranged at the bottom of the mounting plate and a cleaning mechanism is arranged at the other side of the mounting plate.

[0011] Preferably, the rotating mechanism includes an installation box fixedly installed at the bottom of the installation plate, a rotating rod movably passing through the top center of the installation box, a placement plate fixedly connected to the top of the rotating rod, and a gear 1 fixedly connected to the bottom end of the rotating rod.

[0012] Preferably, a motor is fixedly mounted on the inner wall of the installation box, a gear 2 is fixedly connected to the output end of the motor, and the gear 2 is meshingly connected with the gear 1.

[0013] Preferably, the cleaning mechanism includes a filter box fixedly mounted on the other side of the mounting plate, a gauze and filter cotton fixedly mounted inside the filter box respectively, and the filter cotton is located on one side of the gauze.

[0014] Preferably, an air inlet slot is provided through one side of the filter box, a heating wire is fixedly installed inside the filter box, and the heating wire is located on one side of the filter cotton.

[0015] Preferably, an air pump is fixedly mounted on one side of the mounting plate, the air pump is located below the measuring cup, the output end of the air pump is fixedly connected to a nozzle via a curved pipe, and the input end of the air pump extends to the interior of the filter box via a pipeline.

[0016] The working principle and beneficial effects of the utility model are:

[0017] By manually rotating the hand screw, the slide bar and the hollow block are loosened. After loosening, the slide bar is pulled, and the linkage slide bar slides inside the hollow block to adjust the liquid level sensor inside the measuring cup. When the liquid level sensor is adjusted upward and downward, the scale on the measuring cup is observed to quantitatively package the culture medium. When the liquid level sensor cannot detect the liquid inside the measuring cup, the information is transmitted to the controller. The controller controls the solenoid valve one to close and the solenoid valve two to start, so that the liquid inside the storage tank is discharged into the measuring cup. When the liquid level sensor detects the liquid inside the measuring cup, the solenoid valve two is controlled to close and the solenoid valve one is controlled to start, so that the quantitative liquid inside the measuring cup is discharged from the lower leakage pipe, thereby achieving the purpose of automatic quantitative packaging and effectively improving the work efficiency of quantitative packaging of the culture medium. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 This is a schematic diagram of the overall three-dimensional structure proposed by the utility model;

[0020] Figure 2 This is a side view schematic diagram of the three-dimensional structure proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional three-dimensional structure of the installation box proposed by the utility model;

[0022] In the figure: 1. mounting plate; 2. storage tank; 3. measuring cup; 4. drain pipe; 5. solenoid valve 1; 6. lower drain pipe; 7. solenoid valve 2; 8. hollow block; 9. sliding rod; 10. hand screw; 11. fixing rod; 12. liquid level sensor; 13. cleaning mechanism; 14. rotating mechanism; 131. filter box; 132. gauze; 133. filter cotton; 134. air inlet slot; 135. air pump; 136. nozzle; 141. mounting box; 142. rotating rod; 143. placement plate; 144. gear 1; 145. motor; 146. gear 2; 137. heating wire. DETAILED DESCRIPTION

[0023] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] See also Figure 1 - Figure 3, a culture medium quantitative dispensing device, comprising a mounting plate 1, a storage tank 2 and a measuring cup 3 respectively fixedly mounted on one side of the mounting plate 1, and the measuring cup 3 is located below the storage tank 2;

[0026] A drain pipe 4 fixedly connected to the bottom of the measuring cup 3, a solenoid valve 1 5 arranged on the outer side wall of the drain pipe 4, a lower drain pipe 6 fixedly connected to the bottom end of the storage tank 2 and a solenoid valve 2 7 arranged on the outer side wall of the lower drain pipe 6;

[0027] A hollow block 8 fixedly mounted on the rear side of the measuring cup 3, a slide bar 9 movably penetrating the interior of the hollow block 8, a fixed rod 11 fixedly connected to the top of the slide bar 9 through a connecting block, and a hand screw 10 threadedly penetrating one side of the hollow block 8, one end of the hand screw 10 extending to the interior of the hollow block 8 and contacting the outer side wall of the slide bar 9, the bottom end of the fixed rod 11 is located inside the measuring cup 3 and is fixedly connected to a liquid level sensor 12;

[0028] The liquid level sensor 12 is electrically connected between the solenoid valve 1 5 and the solenoid valve 2 7 through the controller;

[0029] A rotating mechanism 14 is arranged at the bottom of the mounting plate 1 and a cleaning mechanism 13 is arranged at the other side of the mounting plate 1 .

[0030] The utility model provides a culture medium quantitative filling device, which can loosen the slide bar 9 and the hollow block 8 by manually rotating the hand screw 10. After loosening, the slide bar 9 is pulled, and the linkage slide bar 9 slides inside the hollow block 8, which is used to lift and lower the liquid level sensor 12 inside the measuring cup 3. When the liquid level sensor 12 is lifted and lowered from above, the scale on the measuring cup 3 is observed, and the culture medium can be quantitatively filled. When the liquid level sensor 12 cannot detect the liquid inside the measuring cup 3, the information is transmitted to the controller, and the controller controls the solenoid valve 1 5 to be closed and the solenoid valve 2 7 to be started, so that the liquid inside the storage tank 2 is discharged into the measuring cup 3. When the liquid level sensor 12 detects the liquid inside the measuring cup 3, the solenoid valve 2 7 is controlled to be closed and the solenoid valve 1 5 is controlled to be started, so that the quantitative liquid inside the measuring cup 3 is discharged from the lower leakage pipe 6, thereby realizing the purpose of automatic quantitative filling, and effectively improving the working efficiency of culture medium quantitative filling.

[0031] Embodiment 2

[0032] Based on the first embodiment, the present embodiment includes: the rotating mechanism 14 includes an installation box 141 fixedly installed at the bottom of the installation plate 1, a rotating rod 142 movably passing through the top center of the installation box 141, a placement plate 143 fixedly connected to the top of the rotating rod 142 and a gear 1 144 fixedly connected to the bottom end of the rotating rod 142, a motor 145 is fixedly installed on the inner side wall of the installation box 141, and a gear 2 146 is fixedly connected to the output end of the motor 145, and the gear 2 146 is meshingly connected with the gear 1 144.

[0033] The technical solution provided by this embodiment is: by starting the motor 145, the motor 145 drives the gear 1 144 to rotate, and the gear 2 146 connected in linkage meshing drives the placement plate 143 to rotate, which is used to rotate and transport the bottles placed on the top of the placement plate 143, thereby achieving the working purpose of rotary packaging.

[0034] Furthermore, the cleaning mechanism 13 includes a filter box 131 fixedly mounted on the other side of the mounting plate 1, a gauze 132 and filter cotton 133 respectively fixedly mounted inside the filter box 131, the filter cotton 133 is located on one side of the gauze 132, an air inlet slot 134 is penetrated through one side of the filter box 131, a heating wire 137 is fixedly mounted inside the filter box 131, the heating wire 137 is located on one side of the filter cotton 133, an air pump 135 is fixedly mounted on one side of the mounting plate 1, the air pump 135 is located below the measuring cup 3, the output end of the air pump 135 is fixedly connected to a nozzle 136 through a bent pipe, and the input end of the air pump 135 extends to the inside of the filter box 131 through a pipeline.

[0035] Specifically, by starting the air pump 135 and the heating wire 137, the air pump 135 extracts the gas inside the filter box 131. While extracting, the external gas enters the interior of the filter box 131 from the air inlet slot 134, and passes through the gauze 132, the filter cotton 133 and the heating wire 137 respectively. The gauze 132 and the filter cotton 133 are used to filter large and small dust impurities from the incoming gas, and the heating wire 137 heats the incoming gas to generate hot air. The hot air is blown onto the placement plate 143 to dry and clean the surface of the placement plate 143, thereby improving the use efficiency of the placement plate 143.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A culture medium quantitative dispensing device, characterized in that: It comprises a mounting plate (1), a storage tank (2) and a measuring cup (3) respectively fixedly mounted on one side of the mounting plate (1), and the measuring cup (3) is located below the storage tank (2); A liquid discharge pipe (4) fixedly connected to the bottom of the measuring cup (3), a solenoid valve (5) arranged on the outer side wall of the liquid discharge pipe (4), a lower leakage pipe (6) fixedly connected to the bottom end of the storage tank (2), and a solenoid valve (7) arranged on the outer side wall of the lower leakage pipe (6); A hollow block (8) fixedly mounted on the rear side of the measuring cup (3), a sliding rod (9) movably passing through the interior of the hollow block (8), a fixed rod (11) fixedly connected to the top of the sliding rod (9) through a connecting block and a hand screw (10) threadedly passing through one side of the hollow block (8), one end of the hand screw (10) extending to the interior of the hollow block (8) and contacting the outer wall of the sliding rod (9), and the bottom end of the fixed rod (11) located inside the measuring cup (3) and fixedly connected to a liquid level sensor (12); The liquid level sensor (12) is electrically connected between the electromagnetic valve 1 (5) and the electromagnetic valve 2 (7) through a controller; A rotating mechanism (14) is arranged at the bottom of the mounting plate (1) and a cleaning mechanism (13) is arranged on the other side of the mounting plate (1).

2. A culture medium quantitative packaging device according to claim 1, characterized in that: The rotating mechanism (14) comprises a mounting box (141) fixedly mounted on the bottom of the mounting plate (1), a rotating rod (142) movably passing through the top center of the mounting box (141), a placement plate (143) fixedly connected to the top of the rotating rod (142), and a gear (144) fixedly connected to the bottom end of the rotating rod (142).

3. A culture medium quantitative packaging device according to claim 2, characterized in that: A motor (145) is fixedly mounted on the inner wall of the mounting box (141), and a second gear (146) is fixedly connected to the output end of the motor (145), and the second gear (146) is meshingly connected with the first gear (144).

4. A culture medium quantitative dispensing device according to claim 3, characterized in that: The cleaning mechanism (13) comprises a filter box (131) fixedly mounted on the other side of the mounting plate (1), a gauze (132) and filter cotton (133) respectively fixedly mounted inside the filter box (131), and the filter cotton (133) is located on one side of the gauze (132).

5. A culture medium quantitative dispensing device according to claim 4, characterized in that: An air inlet slot (134) is provided through one side of the filter box (131), and a heating wire (137) is fixedly installed inside the filter box (131), and the heating wire (137) is located on one side of the filter cotton (133).

6. A culture medium quantitative dispensing device according to claim 5, characterized in that: An air pump (135) is fixedly mounted on one side of the mounting plate (1), and the air pump (135) is located below the measuring cup (3). The output end of the air pump (135) is fixedly connected to a nozzle (136) via a curved pipe, and the input end of the air pump (135) extends to the interior of the filter box (131) via a pipeline.

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