Strain screening device convenient to clean

Abstract

The utility model particularly relates to a strain screening device convenient to clean, which comprises a centrifugal cylinder, the lower side of the centrifugal cylinder is connected with a workbench, a liquid discharge electromagnetic valve is assembled and connected to the middle upper part of the centrifugal cylinder, a material discharge electromagnetic valve is assembled and connected to the lower side of the centrifugal cylinder, and a lifting plate is connected in the centrifugal cylinder in a sliding and sealing manner; the initial position of the lifting plate is located on the lower side of the discharging electromagnetic valve, a lifting mechanism is arranged on the lower side of the lifting plate, a rotating mechanism is assembled and connected to the lower portion of the centrifugal barrel and rotationally connected with the workbench, the lower side of the centrifugal barrel is rotationally connected with the workbench, and an observation window is arranged on the side wall of the centrifugal barrel. According to the utility model, by adjusting the position of the lifting plate, the layering part of bacterial liquid is positioned at the position of the liquid discharge electromagnetic valve, so that strains are completely separated from impurities.

Description

Technical Field

[0001] This invention belongs to the field of microbial strain screening technology, specifically relating to a microbial strain screening device that is easy to clean. Background Technology

[0002] Functional strains refer to microbial strains with specific functions. They have important applications in various fields. For example, lactic acid bacteria are widely used in dairy products because they can regulate the balance of intestinal flora, enhance immunity, and promote the absorption of nutrients. However, to accurately screen out lactic acid bacteria, it is necessary to go through enrichment, separation and screening steps. In the existing technology, the strains are usually separated from other impurities by centrifugation screening.

[0003] For example, Chinese patent CN215388131U discloses a high-efficiency microbial strain screening device. The screening box is equipped with a centrifugal screening mechanism, which includes a support platform, a motor, a centrifuge cylinder, a sealing frame, a drain solenoid valve, a discharge solenoid valve, a sieve plate, a support rod, and a grinding roller. The support platform is embedded and connected to the bottom of the screening box. The advantage of this device is that the centrifugal screening mechanism makes it easy for workers to centrifuge and filter the microbial strains, support and seal the centrifuge cylinder, and separate and collect the stratified microbial strains. The disadvantage is that the relative distance between the drain solenoid valve and the discharge solenoid valve in the centrifuge cylinder is fixed. When the total number of microbial strains is small or there are few impurities in the microbial strains, the stratification point between the lighter microbial liquid and the impurities is located below the drain solenoid valve. In this case, the microbial liquid below the drain solenoid valve cannot be separated from the impurities and cannot achieve the separation and screening effect. Utility Model Content

[0004] In view of the problems mentioned in the background art, the purpose of this utility model is to provide a strain screening device that is easy to clean, so as to solve the problems mentioned in the background art.

[0005] To achieve the above technical objectives, the technical solution adopted by this utility model is as follows:

[0006] A strain screening device that is easy to clean includes a centrifuge cylinder, a workbench connected to the lower side of the centrifuge cylinder, a drain solenoid valve mounted and connected to the upper middle part of the centrifuge cylinder, a discharge solenoid valve mounted and connected to the lower side of the centrifuge cylinder, a lifting plate slidably and sealed inside the centrifuge cylinder, the initial position of the lifting plate being located below the discharge solenoid valve, a lifting mechanism provided on the lower side of the lifting plate, a rotating mechanism mounted and connected to the lower part of the centrifuge cylinder, the rotating mechanism being rotatably connected to the workbench, the lower side of the centrifuge cylinder being rotatably connected to the workbench, and an observation window provided on the side wall of the centrifuge cylinder.

[0007] Preferably, the lifting mechanism includes a screw fixedly connected to the lower side of the lifting plate, a clearance groove for the screw is provided on the lower side of the centrifuge cylinder, the screw is threadedly connected to a threaded sleeve, a first bevel gear is fixedly connected to the outer ring of the threaded sleeve, the first bevel gear is fixedly spaced from the bottom of the centrifuge cylinder and rotatably connected to the centrifuge cylinder, a second bevel gear is meshed and driven by the first bevel gear, the first bevel gear and the second bevel gear are arranged perpendicularly, and the second bevel gear is driven and connected to a rotating shaft.

[0008] Preferably, the drive mechanism includes a rotating handle.

[0009] Preferably, a limiting support ring is rotatably connected to the upper edge of the centrifuge tube, and a support column is fixedly connected between the limiting support ring and the worktable.

[0010] Preferably, the upper part of the limiting support ring is provided with a cap for the centrifuge cylinder.

[0011] Preferably, the lifting mechanism includes a telescopic cylinder, the lower end of which is fixedly connected to the lower part of the centrifuge cylinder, and the output shaft of which is assembled and connected to the lower side of the lifting plate.

[0012] Preferably, the rotating mechanism includes a gear ring fixedly connected to the lower part of the centrifuge cylinder, the gear ring being meshed with a spur gear, the drive shaft of the spur gear being rotatably connected to the worktable, and a motor being assembled and connected to the rotating shaft of the spur gear.

[0013] Compared with the prior art, the present invention has the following advantages:

[0014] This invention uses a liftable plate inside the centrifuge cylinder to adjust the height of the bacteria inside, thereby making the position of the stratification point horizontal with the position of the drain solenoid valve, which facilitates the separation of bacterial solution from impurities. When the stratification point of bacterial solution and impurities is below the drain solenoid valve, the position of the lift plate can be raised to make the stratification point horizontal with the position of the drain solenoid valve.

[0015] This invention is ingeniously designed so that by rotating the rotating handle, the screw can move the lifting plate up and down, allowing for fine adjustment of the lifting plate's height.

[0016] The internal structure of the separator of this invention is simple, and the separator can be cleaned by removing the cap, making cleaning the separator convenient. Attached Figure Description

[0017] This utility model can be further illustrated by the non-limiting embodiments given in the accompanying drawings;

[0018] Figure 1 This is a schematic diagram of the structure of a strain screening device that is easy to clean according to the present invention;

[0019] Figure 2 This is an isometric view of a strain screening device that is easy to clean according to the present invention;

[0020] Figure 3 This is a side view of a microbial strain screening device that is easy to clean according to the present invention;

[0021] Figure 4 This is a schematic diagram of the structure of the workbench assembly of this utility model;

[0022] Figure 5 This is a cross-sectional view of the middle part of the centrifuge tube of this utility model;

[0023] Figure 6 This is a schematic diagram of the lifting plate assembly of this utility model;

[0024] Figure 7 This is a schematic diagram of the structure of Embodiment 2 of the present invention;

[0025] The symbols for the main components are explained below:

[0026] Centrifuge cylinder 1, drain solenoid valve 11, discharge solenoid valve 12;

[0027] Workbench 2, limit support ring 21, support column 22, cap 23;

[0028] Lifting plate 3;

[0029] Lifting mechanism 4, screw 41, first bevel gear 42, second bevel gear 43, rotating shaft 44, drive mechanism 45, telescopic cylinder 46, rotating handle 451;

[0030] Rotating mechanism 5, gear ring 51, spur gear 52, motor 53. Detailed Implementation

[0031] To enable those skilled in the art to better understand this utility model, the technical solution of this utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0032] Example 1: As Figure 1-7 As shown, a strain screening device that is easy to clean includes a centrifuge cylinder 1, a workbench 2 connected to the lower side of the centrifuge cylinder 1, a drain solenoid valve 11 mounted and connected to the upper middle part of the centrifuge cylinder 1, a discharge solenoid valve 12 mounted and connected to the lower side of the centrifuge cylinder 1, a lifting plate 3 slidably and sealed inside the centrifuge cylinder 1, the initial position of the lifting plate 3 being located below the discharge solenoid valve 12, a lifting mechanism 4 provided on the lower side of the lifting plate 3, a rotating mechanism 5 mounted and connected to the lower part of the centrifuge cylinder 1, the rotating mechanism 5 being rotatably connected to the workbench 2, the lower side of the centrifuge cylinder 1 being rotatably connected to the workbench 2, and an observation window provided on the side wall of the centrifuge cylinder 1.

[0033] In this embodiment, the centrifuge cylinder 1 is used to centrifuge and screen the bacterial strains from other impurities. Under the centrifugal force of the centrifuge cylinder 1, the bacterial strains are separated from other impurities. The workbench 2 supports the centrifuge cylinder 1. The discharge solenoid valve 11 is used to discharge the lighter bacterial solution from the centrifuge cylinder 1, and the discharge solenoid valve 12 is used to discharge the heavier impurities at the bottom. The lifting plate 3 is sealed and slidably connected to the centrifuge cylinder 1. The position of the lifting plate 3 is adjusted by the lifting mechanism 4 to raise the height of the bacterial solution. The operator judges the position of the stratification point through the observation window. When the stratification point is located at the discharge solenoid valve 12, the operator judges the position of the stratification point. When the liquid is above the solenoid valve 11, some impurities are discharged by opening the discharge solenoid valve 12, so that the stratification point is at the same level as the discharge solenoid valve 11. Then, the uniform discharge valve 11 is opened to discharge the bacterial liquid above the discharge solenoid valve 11. When the stratification point is below the discharge solenoid valve 11, the lifting mechanism 4 controls the lifting plate 3 to rise, so that the lifting plate 3 drives the bacterial liquid to rise. The stratification point of the bacterial liquid is at the same level as the discharge solenoid valve 11. After the bacterial liquid is discharged, the position of the lifting plate 3 is lowered to be level with the discharge solenoid valve 12 to discharge the remaining impurities.

[0034] Reference: 2 and Figure 5 The lifting mechanism 4 includes a screw 41 fixedly connected to the lower side of the lifting plate 3. A clearance groove for the screw 41 is provided on the lower side of the centrifuge cylinder 1. The screw 41 is located within the clearance groove. A threaded sleeve is threadedly connected to the screw 41. A first bevel gear 42 is fixedly connected to the outer ring of the threaded sleeve. The first bevel gear 42 is fixedly spaced from the bottom of the centrifuge cylinder 1 and rotatably connected to it. The lower side of the first bevel gear 42 is rotatably connected to the bottom of the centrifuge cylinder 1. The vertical position of the threaded sleeve remains fixed. The rotation of the first bevel gear 42 drives the threaded sleeve to rotate, thereby causing the threaded sleeve to rotate relative to the screw 41. When rotated, the screw 41 moves up and down, thus controlling the rotation of the first bevel gear 42 controls the lifting and lowering of the screw 41. The screw 41 drives the lifting plate 3 to move up and down. The first bevel gear 42 is meshed with and connected to the second bevel gear 43. The first bevel gear 42 and the second bevel gear 43 are arranged perpendicularly. The second bevel gear 43 is driven by a rotating shaft 44. The second bevel gear 43 drives the first bevel gear 42 to rotate. The rotating shaft 44 is driven by a drive mechanism 45. When the drive mechanism 45 drives the rotating shaft 44 to rotate, the lifting and lowering of the lifting plate 3 can be achieved.

[0035] Reference Figure 3 The drive mechanism 45 includes a rotating handle 451. In this embodiment, the rotating shaft 44 is rotated effortlessly by rotating the rotating handle 451, and the height of the lifting plate 3 is adjusted by manually rotating the rotating handle 451. This manual control method is more conducive to adjusting the lifting plate 3 to the required height.

[0036] Reference Figure 3A limiting support ring 21 is rotatably connected to the upper edge of the centrifuge cylinder 1, and a support column 22 is fixedly connected between the limiting support ring 21 and the worktable 2. In this embodiment, the limiting support ring 21 is used to support the upper part of the centrifuge cylinder 1, so that the upper part of the centrifuge cylinder 1 is kept within the limiting support ring 21 for rotation, and the centrifuge cylinder 1 is prevented from deviating during rotation.

[0037] Reference Figure 1 The rotating mechanism 5 includes a gear ring 51 fixedly connected to the lower part of the centrifuge cylinder 1. The gear ring 51 is meshed with a spur gear 52, and the drive shaft of the spur gear 52 is rotatably connected to the workbench 2. A motor 53 is assembled and connected to the rotating shaft of the spur gear 52. In this embodiment, the spur gear 52 is controlled to rotate by controlling the motor 53. The spur gear 52 drives the gear ring 51 to rotate, thereby driving the centrifuge cylinder 1 to rotate. During the rotation of the centrifuge cylinder 1, the bacterial strain is centrifuged and screened.

[0038] Example 2: Refer to Figure 7 This embodiment modifies the lifting mechanism 4 based on Embodiment 1, replacing components such as the screw 41 with a telescopic cylinder 46. The lifting mechanism 4 includes the telescopic cylinder 46, the lower end of which is fixedly connected to the lower part of the centrifuge cylinder 1, and the output shaft of the telescopic cylinder 46 is assembled and connected to the lower side of the lifting plate 3. In this embodiment, the lifting of the lifting plate 3 is controlled by controlling the operation of the telescopic cylinder 46, resulting in a simpler structure compared to Embodiment 1. However, the disadvantage is that the lifting of the lifting plate 3 is not as stable as in Embodiment 1.

[0039] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by technicians in this field. The provision of power is also common knowledge in this field. In addition, the present invention is mainly used to protect mechanical devices, so the control method and circuit connection are no longer explained in detail in the present invention.

[0040] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A strain screening device that is easy to clean, comprising a centrifuge tube (1), characterized in that: A workbench (2) is connected to the lower side of the centrifuge cylinder (1). A drain solenoid valve (11) is installed and connected to the upper middle part of the centrifuge cylinder (1). A discharge solenoid valve (12) is installed and connected to the lower side of the centrifuge cylinder (1). A lifting plate (3) is slidably and sealed inside the centrifuge cylinder (1). The initial position of the lifting plate (3) is located below the discharge solenoid valve (12). A lifting mechanism (4) is provided on the lower side of the lifting plate (3). A rotating mechanism (5) is installed and connected to the lower part of the centrifuge cylinder (1). The rotating mechanism (5) is rotatably connected to the workbench (2). The lower side of the centrifuge cylinder (1) is rotatably connected to the workbench (2). An observation window is provided on the side wall of the centrifuge cylinder (1).

2. The easy-to-clean microbial strain screening device according to claim 1, characterized in that: The lifting mechanism (4) includes a screw (41) fixedly connected to the lower side of the lifting plate (3). The lower side of the centrifuge cylinder (1) is provided with a clearance groove for the screw (41). The screw (41) is threadedly connected to a threaded sleeve. The outer ring of the threaded sleeve is fixedly connected to a first bevel gear (42). The first bevel gear (42) is fixedly spaced from the bottom of the centrifuge cylinder (1) and rotatably connected to the centrifuge cylinder (1). The first bevel gear (42) is meshed with and driven by a second bevel gear (43). The first bevel gear (42) and the second bevel gear (43) are arranged perpendicularly. The second bevel gear (43) is driven by a rotating shaft (44). The rotating shaft (44) is driven by a driving mechanism (45).

3. The easy-to-clean microbial strain screening device according to claim 2, characterized in that: The drive mechanism (45) includes a rotating handle (451).

4. The easy-to-clean microbial strain screening device according to claim 2, characterized in that: The upper edge of the centrifuge tube (1) is rotatably connected to a limiting support ring (21), and a support column (22) is fixedly connected between the limiting support ring (21) and the workbench (2).

5. The easy-to-clean microbial strain screening device according to claim 4, characterized in that: The upper part of the limiting support ring (21) is provided with a cap (23) for the centrifuge cylinder (1).

6. The easy-to-clean microbial strain screening device according to claim 1, characterized in that: The lifting mechanism (4) includes a telescopic cylinder (46), the lower end of which is fixedly connected to the lower part of the centrifuge cylinder (1), and the output shaft of which is assembled and connected to the lower side of the lifting plate (3).

7. The easy-to-clean microbial strain screening device according to claim 1, characterized in that: The rotating mechanism (5) includes a gear ring (51) fixedly connected to the lower part of the centrifuge cylinder (1). The gear ring (51) is meshed with a spur gear (52). The drive shaft of the spur gear (52) is rotatably connected to the worktable (2). The rotating shaft of the spur gear (52) is equipped with a motor (53).

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