Rotary table for automatically detecting microorganisms

Abstract

The utility model provides a rotary table for microorganism automatic detection, which comprises a base, a turntable, a turntable driver and a turntable frame, a fixed disc is mounted at the upper end of the turntable frame, the turntable is mounted on the upper side of the fixed disc, the turntable driver is arranged on one side of the base, and a linear sliding device and a rotating device are arranged below the fixed disc and are arranged on the inner side of the turntable frame; the rotating disc comprises a bottom plate and an annular disc, a threaded outer disc body and a circular inner disc body are arranged on the bottom plate, a circular inner cover plate is arranged at the top of the inner disc body, a tooth-shaped edge outer cover plate is arranged at the top of the outer disc body, a waste liquid collecting cavity is formed between the inner cover plate and the bottom plate, and a waste liquid discharging opening is formed; a water bath channel is arranged between the inner cover plate and the outer cover plate. Reciprocating motion and rotating motion of the rotating disc are achieved through the linear sliding device and the rotating device, the multiple sample containers on the rotating disc can be driven to rotate clockwise, a reagent to be identified and a detection reagent are rapidly and fully mixed, and the working efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of microbial detection, and in particular relates to a turntable for automatic microbial detection. Background Art

[0002] Chinese herbal medicines are prone to carry or introduce a large number of microorganisms during the growth, harvesting, processing, transportation and storage processes, which affects the quality stability. The composition of Chinese herbal medicine samples is complex. If you want to obtain accurate trace microbial information in the sample, you must undergo necessary pretreatment and signal tracing. Membrane filtration is a commonly used pretreatment technology. By selecting membranes of different scales, it can achieve effective enrichment of samples of different scales. The Raman spectra formed by different microorganisms after light scattering will present unique fingerprint information of microorganisms, reflecting the differences in molecular structure and physiological activity of microorganisms. Therefore, this spectral technology with fast and sensitive "fingerprint" recognition capabilities has been used in the existing field of pathogen detection. However, the existing technology usually relies on manual labor to move test tubes containing samples, reagent solutions and pipette tips, which is labor-intensive and inefficient. Therefore, it is necessary to improve the detection equipment. Summary of the invention

[0003] In view of this, the present invention aims to overcome the defects in the prior art and proposes a turntable for automated detection of microorganisms.

[0004] To achieve the above object, the technical solution created by the present invention is implemented as follows:

[0005] A turntable for automated microbial detection comprises a base, a turntable, a turntable driver and a turntable frame, wherein a fixed disk is mounted on the upper end of the turntable frame, the turntable is mounted on the upper side of the fixed disk, the turntable driver is placed on one side of the base, a linear sliding device is arranged above the fixed disk, a rotating device is arranged below the fixed disk, a hollow is arranged on the turntable frame, and the linear sliding device and the rotating device are driven by the turntable driver to realize reciprocating motion and rotating motion of the turntable;

[0006] The turntable comprises a bottom plate and a hollow ring plate, the bottom plate surface is provided with a circular seat body which is concave downwards, the edge of the seat body is provided with a suction head waste liquid groove which is communicated with the concave part of the seat body, and the center is also provided with a cylindrical base body which is concave downwards, and the base body is provided with a water inlet pipe, a water outlet pipe and a waste liquid discharge pipe, an outer plate body and an inner plate body are provided above the bottom plate, a circular inner cover plate is provided on the top of the inner plate body, and an outer cover plate with a toothed edge is provided on the top of the outer plate body;

[0007] The lower surface of the outer cover plate is vortex-shaped, with a threaded water bath channel formed in the middle. The center and side of the inner cover plate are respectively provided with a water inlet and a water outlet; the edge of the outer cover plate is provided with a plurality of waste liquid ports and a plurality of filter installation slots, and every two filter installation slots correspond to a waste liquid port;

[0008] The ring disk and the inner cover plate form a waste liquid collection chamber, the outer edge of which is provided with a plurality of pipette tip slots and their pipette tip waste liquid channels, and a plurality of test tube slots with half-exposed tube bodies, and the inner edge is provided with a plurality of filtrate channels, both of which are communicated with the waste liquid collection chamber; a test tube is inserted in the test tube slot, a pipette tip is inserted in the pipette tip slot, and a disposable filter is installed in the filter installation slot.

[0009] Furthermore, four feet are symmetrically provided at the lower end of the base.

[0010] Furthermore, a drag chain is provided on one side of the turntable frame, and cables connected to the turntable drive and water inlet and outlet pipes connected to the turntable are arranged on the drag chain.

[0011] Furthermore, 12 test tube slots are evenly distributed along the circumferential direction on the outer cover plate, a pipette tip slot and a filter installation slot are provided corresponding to each test tube slot, and a receiving slot is provided on the ring disk corresponding to the test tube slot.

[0012] Furthermore, the filter includes a filter seat and a filter membrane. The filter seat includes a cylindrical base, an outward flange is provided at the upper end of the base, and a seat is provided in the inner cavity of the base. The middle part of the seat has a downward recessed area, and a liquid guide nozzle connected to the recessed area is provided on the lower side of the seat.

[0013] Furthermore, the upper surface of the recessed area is a plane, and a plurality of radial pattern grooves are provided on the upper surface for placing the filter membrane and dispersing the flow.

[0014] Furthermore, the bottom plate can be detachably mounted on the fixed disk, and the fixed disk is slidably matched with the turntable frame.

[0015] Furthermore, the rotating device includes a rotating motor.

[0016] Furthermore, a fixing sleeve is threadedly connected below the bottom plate to fix the water inlet pipe, the water outlet pipe and the waste liquid pipe.

[0017] Furthermore, the base is provided with a water inlet pipeline interface for arranging a water inlet pipeline, a water outlet pipeline interface for arranging a water outlet pipeline, and a waste liquid discharge pipeline interface for arranging a waste liquid pipeline.

[0018] Compared with the prior art, the present invention has the following advantages:

[0019] In the invention, the turntable realizes reciprocating and rotating motions through a linear drive device and a rotating device, which can drive multiple sample containers on the turntable to rotate clockwise and correspond to the working device part as needed, so that the reagent to be identified and the detection reagent can be quickly and fully mixed, thereby improving work efficiency. Since a temperature control component is also provided inside the turntable, the temperature in the box can be adjusted according to needs to reduce the influence of the external temperature on the detection reaction. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings constituting part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0021] Figure 1 A schematic diagram of the structure created by the present invention;

[0022] Figure 2 A cross-sectional view of the turntable portion in the invention;

[0023] Figure 3 A partial cross-sectional view of the turntable portion in the invention;

[0024] Figure 4 A schematic diagram of the turntable portion of the invention;

[0025] Figure 5 A schematic diagram of the filter part in the invention;

[0026] Figure 6 A schematic diagram of the filter seat portion of the present invention;

[0027] Figure 7 A cross-sectional view of a filter seat in accordance with the present invention. DETAILED DESCRIPTION

[0028] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0030] In the description of the invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the invention can be understood according to specific circumstances.

[0031] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0032] A rotary table for automated microbial detection, such as Figures 1 to 7 As shown, it includes a base 1, a turntable 2, a turntable driver 3 and a turntable frame 4, a fixed plate 5 is installed on the upper end of the turntable frame, the turntable is installed on the upper side of the fixed plate, the turntable driver is placed on one side of the base, a linear sliding device 6 is provided above the fixed plate, and a rotating device 7 is provided below, and the linear sliding device and the rotating device are both arranged on the inner side of the turntable frame, and an elliptical hollow 8 is provided on the turntable frame, and the linear sliding device and the rotating device are driven by the turntable driver to realize the reciprocating motion and rotational motion of the turntable;

[0033] The turntable includes a bottom plate 9 and a hollow ring plate 10. A circular seat body 18 is recessed downwardly on the surface of the bottom plate. A waste liquid tank 19 for a pipette tip communicating with the recessed portion of the seat body is disposed on the edge of the seat body. A cylindrical base body 28 recessed downwardly is also disposed in the center. A water inlet pipe, a water outlet pipe and a waste liquid discharge pipe are disposed on the base body 28. An outer plate body and an inner plate body are disposed above the bottom plate. A circular inner cover plate 11 is disposed on the top of the inner plate body. An outer cover plate 12 with a serrated edge is disposed on the top of the outer plate body. The lower surface of the outer cover plate is vortex-shaped, and a threaded water bath channel 13 is formed in the middle. A water inlet 14 and a water outlet 15 are disposed at the center and side of the inner cover plate, respectively. Hot water is pumped in through the water inlet and discharged through the water outlet. Hot water circulation can be achieved through a water heating circulation machine to achieve a water bath for the sample in the filter.

[0034] The edge of the outer cover plate is provided with a plurality of waste liquid ports 22 and a plurality of filter mounting grooves 23, and every two filter mounting grooves correspond to a waste liquid port; the ring disk is connected to the bottom plate by rivets and is fixedly connected to the inner cover plate, and the ring disk and the inner cover plate form a waste liquid collection chamber 20, the outer edge of which is provided with a plurality of pipette tip grooves 24 and their pipette tip waste liquid channels 25, and a plurality of test tube slots 26 with half-exposed tube bodies, and the inner edge thereof is provided with a plurality of filtrate channels 27, and both the pipette tip waste liquid channels and the filtrate channels are communicated with the waste liquid collection chamber; a test tube 31 is inserted in the test tube slot, a pipette tip 32 is inserted in the pipette tip slot, and a disposable filter 33 is installed in the filter mounting groove.

[0035] The lower end of the base is symmetrically provided with four feet. A drag chain is provided on one side of the turntable frame, and the cables connected to the turntable drive and the inlet and outlet water pipes connected to the turntable are arranged on the drag chain. There are 12 test tube slots evenly distributed along the circumferential direction on the outer cover plate, and a pipette tip slot and a filter installation slot are provided for each test tube slot, and a receiving slot is provided on the ring disk corresponding to the test tube slot. 12 different samples can be tested at the same time, with simple operation, high detection accuracy and automation, high efficiency and low cost for large-scale detection.

[0036] The filter comprises a filter seat 36 and a filter membrane 37. The filter seat comprises a cylindrical base 38, an outward flange 39 is provided at the upper end of the base, and a base body 40 is provided in the inner cavity of the base body. The middle part of the base body has a downward depression 41, and a liquid guide nozzle 42 connected to the depression is provided at the lower side of the base body. The upper surface of the depression is a plane, and a plurality of radial pattern grooves 43 are provided on the upper surface for placing the filter membrane and dispersing the flow.

[0037] The bottom plate is detachably mounted on the fixed plate, and the fixed plate and the turntable frame are slidably matched. The rotating device includes a rotating motor. A fixing sleeve 29 is threadedly connected below the bottom plate to fix the water inlet pipeline 16, the water outlet pipeline 17 and the waste liquid pipeline 30. The base body is respectively provided with a water inlet pipeline interface 14 for arranging the water inlet pipeline, a water outlet pipeline interface 15 for arranging the water outlet pipeline, and a waste liquid discharge pipeline interface 21 for arranging the waste liquid pipeline.

[0038] In the invention, the turntable realizes reciprocating and rotating motions through a linear drive device and a rotating device, which can drive multiple sample containers on the turntable to rotate clockwise and correspond to the working device part as needed, so that the reagent to be identified and the detection reagent can be quickly and fully mixed, thereby improving work efficiency. Since a temperature control component is also provided inside the turntable, the temperature in the box can be adjusted according to needs to reduce the influence of the external temperature on the detection reaction.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A turntable for automated microbial detection, characterized in that: It includes a base, a turntable, a turntable driver and a turntable frame. A fixed plate is installed on the upper end of the turntable frame. The turntable is installed on the upper side of the fixed plate. The turntable driver is placed on one side of the base. A linear sliding device is provided above the fixed plate and a rotating device is provided below the fixed plate. A hollow is provided on the turntable frame. The linear sliding device and the rotating device are driven by the turntable driver to realize the reciprocating motion and rotating motion of the turntable. The turntable comprises a bottom plate and a hollow ring plate, the bottom plate surface is provided with a circular seat body which is concave downwards, the edge of the seat body is provided with a suction head waste liquid groove which is communicated with the concave part of the seat body, and the center is also provided with a cylindrical base body which is concave downwards, and the base body is provided with a water inlet pipe, a water outlet pipe and a waste liquid discharge pipe, an outer plate body and an inner plate body are provided above the bottom plate, a circular inner cover plate is provided on the top of the inner plate body, and an outer cover plate with a toothed edge is provided on the top of the outer plate body; The lower surface of the outer cover plate is vortex-shaped, with a threaded water bath channel formed in the middle. The center and side of the inner cover plate are respectively provided with a water inlet and a water outlet; the edge of the outer cover plate is provided with a plurality of waste liquid ports and a plurality of filter installation slots, and every two filter installation slots correspond to a waste liquid port; The ring disk and the inner cover plate form a waste liquid collection chamber, the outer edge of which is provided with a plurality of pipette tip slots, a plurality of test tube slots, and pipette tip waste liquid channels corresponding to the pipette tip slots respectively, and the inner edge is provided with a plurality of filtrate channels, both of which are communicated with the waste liquid collection chamber; the test tube slots are inserted with test tubes, the pipette tip slots are inserted with pipette tips, and the filter mounting slots are installed with disposable filters.

2. The turntable for automated microbial detection according to claim 1, characterized in that: The lower end of the base is symmetrically provided with four feet.

3. The turntable for automated microbial detection according to claim 1, characterized in that: A drag chain is provided on one side of the turntable frame, and the cables connected to the turntable drive and the inlet and outlet water pipes connected to the turntable are arranged on the drag chain.

4. The turntable for automated microbial detection according to claim 1, characterized in that: The outer cover plate is evenly distributed with 12 test tube slots along the circumferential direction, each test tube slot is provided with a pipette tip slot and a filter installation slot, and the ring plate is provided with a receiving slot corresponding to the test tube slot.

5. The turntable for automated microbial detection according to claim 1, characterized in that: The filter comprises a filter seat and a filter membrane. The filter seat comprises a cylindrical base body, an outward flange is provided at the upper end of the base body, and a seat body is provided in the inner cavity of the base body. The middle part of the seat body has a downward recessed area, and a liquid guide nozzle connected to the recessed area is provided on the lower side of the seat body.

6. The turntable for automated microbial detection according to claim 5, characterized in that: The upper surface of the concave area is a plane, and a plurality of radial pattern grooves are arranged on the upper surface.

7. The turntable for automated microbial detection according to claim 1, characterized in that: The bottom plate can be detachably mounted on the fixed disk, and the fixed disk is slidably matched with the rotating disk frame.

8. The turntable for automated microbial detection according to claim 1, characterized in that: The rotating device includes a rotating motor.

9. The turntable for automated microbial detection according to claim 1, characterized in that: A fixing sleeve is threadedly connected below the bottom plate and is used to fix the water inlet pipe, the water outlet pipe and the waste liquid pipe.

10. The turntable for automated microbial detection according to claim 1, characterized in that: The base body is provided with a water inlet pipeline interface for arranging a water inlet pipeline, a water outlet pipeline interface for arranging a water outlet pipeline, and a waste liquid discharge pipeline interface for arranging a waste liquid pipeline.

Images