CN217781138U - Sample extraction element is used in lactic acid bacteria fermentation - Google Patents

Abstract

The utility model relates to the technical field of lactic acid bacteria, in particular to a sample extraction device for lactic acid bacteria fermentation, comprising a frame and a syringe, a container containing lactic acid bacteria is placed on the frame, a syringe is arranged above the container, and a syringe is arranged on the frame. There is an extraction mechanism for extracting lactic acid bacteria, and a cleaning mechanism for flushing the inside of the syringe is also provided on the frame. The extraction mechanism includes a motor fixed on the frame. There is a limit frame slidingly connected with the syringe, and a displacement assembly is provided on one side of the rotating shaft for the contact between the syringe and the lactic acid bacteria in the container by means of elastic pressing, and the frame is also provided with a circular rotation for collecting multiple samples. The transmission component can automatically extract multiple samples by setting the extraction mechanism, which is conducive to improving work efficiency, and the extraction is performed sequentially, with high accuracy, and no manual extraction is required, which can reduce the work intensity of the staff.

Description

A sample extraction device for lactic acid bacteria fermentation

technical field

The utility model relates to the technical field of lactic acid bacteria, in particular to a sample extraction device for lactic acid bacteria fermentation.

Background technique

Lactic acid bacteria is a general term for a class of bacteria that can use fermentable carbohydrates to produce a large amount of lactic acid. This type of bacteria is widely distributed in nature and has rich species diversity. It includes at least 18 genera and more than 200 species in total. Except for a few, Most of them are essential flora in the human body and have important physiological functions, and widely exist in the intestinal tract of the human body.

After the lactic acid bacteria are fermented, they need to extract samples to detect the fermentation status. The existing extraction device needs to be extracted manually one by one. If too many samples are extracted, the workload of the staff will also increase, and the efficiency is not high, and it is easy to mistake.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a sample extraction device for lactic acid bacteria fermentation, which has the advantage of rapidly extracting multiple samples and solves the problem of slow extraction speed.

In order to solve the above-mentioned technical problems, the utility model provides the following technical solutions:

A sample extraction device for lactic acid bacteria fermentation, including a frame and a syringe, a container containing lactic acid bacteria is placed on the frame, a syringe is arranged above the container, an extraction mechanism for extracting lactic acid bacteria is provided on the frame, and the frame There is also a cleaning mechanism for flushing the inside of the syringe. The extraction mechanism includes a motor fixed on the frame. One side of the rotating shaft is provided with a displacement assembly for the contact between the syringe and the lactic acid bacteria in the container through elastic pressing, and a transmission assembly for collecting multiple samples through circular rotation is also provided on the frame.

Preferably, a transmission frame is fixedly connected to the syringe, and an electric push rod is fixedly mounted on the transmission frame, and the free end of the electric push rod is fixedly connected to the piston handle on the syringe.

Preferably, the shifting assembly includes a spring fixed in the limit frame, a connecting plate that slides through the chute and the limit frame is fixed on the spring, one end of the connecting plate is fixedly connected with the transmission frame, and the end of the rotating shaft An eccentric wheel located above the connecting plate is fixedly connected.

Preferably, the transmission assembly includes a transmission shaft rotatably mounted on the frame, a plurality of transmission plates are fixedly connected to the transmission shaft, and a plurality of sampling tubes are respectively placed in grooves on the plurality of transmission plates, and the top of the transmission shaft A bevel gear is fixedly connected, and an incomplete bevel gear meshing with the bevel gear is connected with an interference connection on the rotating shaft.

Preferably, a water tank is fixedly connected to the frame, and the water pump on the water tank is connected with a diversion tube, and the end of the diversion tube extends into the syringe, and the frame has a built-in cavity, and the cavity is placed under the syringe. collection box.

Preferably, a base communicating with the collection box is fixedly connected to the frame, and the base is located on the container.

By means of the above technical solution, the utility model provides a sample extraction device for lactic acid bacteria fermentation, which at least has the following beneficial effects:

1. The sample extraction device for lactic acid bacteria fermentation can extract the lactic acid bacteria by setting the extraction mechanism so that the syringe is in contact with the lactic acid bacteria in the container, and then collect the lactic acid bacteria extracted by the syringe through the rotation of the transmission assembly, and repeat the above steps. Multiple samples can be automatically extracted, which is beneficial to improve work efficiency, and the extraction is performed sequentially, with high accuracy, and manual extraction is not required, which can reduce the work intensity of the staff.

2. The sample extraction device for lactic acid bacteria fermentation is equipped with a cleaning mechanism, the water pump is started to inject into the syringe through the diversion tube for flushing, and then discharged, falling into the collection box, so that the syringe can be flushed to prevent the contamination of different containers. The fusion of lactic acid bacteria affects the extraction of samples, which is beneficial to improve the accuracy of detection.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the utility model and constitute a part of the application:

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is a structural schematic diagram of the utility model extracting mechanism;

Fig. 3 is a structural schematic diagram of the displacement assembly of the present invention;

Fig. 4 is a structural schematic diagram of the transmission assembly of the present invention;

Fig. 5 is a structural schematic diagram of the cleaning mechanism of the present invention.

Reference signs:

101, frame; 102, syringe; 103, base; 104, container;

200, extraction mechanism; 201, motor; 202, transmission frame; 203, electric push rod; 204, transmission assembly; 2041, incomplete bevel gear; 2042, transmission shaft; 2043, transmission plate; 2044, bevel gear; 2045, sampling Tube; 205, displacement assembly; 2051, spring; 2052, connection plate; 2053, eccentric wheel; 300, cleaning mechanism; 301, water tank; 302, diversion pipe; 303, collection box.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

A sample extraction device for lactic acid bacteria fermentation provided by some embodiments of the present invention is described below with reference to the accompanying drawings.

Embodiment one:

As shown in Figure 1-4, a sample extraction device for lactic acid bacteria fermentation provided by the utility model includes a frame and a syringe, a container containing lactic acid bacteria is placed on the frame, a syringe is arranged above the container, and a syringe is arranged on the frame. An extraction mechanism for extracting lactic acid bacteria is provided, and a cleaning mechanism for rinsing the inside of the syringe is also provided on the frame. The extraction mechanism includes a motor fixed on the frame. The limit frame is slidably connected with the syringe. One side of the rotating shaft is provided with a shifting assembly for the contact between the syringe and the lactic acid bacteria in the container by elastic pressing. The frame is also provided with a transmission for collecting multiple samples through circular rotation. Component, the motor drives the rotating shaft to rotate, and the rotating shaft rotates through the shifting component to make the syringe move downwards, and then it can contact with the lactic acid bacteria in the container, and then the lactic acid bacteria can be extracted, and then through the rotation of the transmission component, the lactic acid bacteria extracted by the syringe are extracted Collect and repeat the above steps to automatically extract multiple samples, which is conducive to improving work efficiency, and the extraction is performed sequentially, with high accuracy, and no manual extraction is required, which can reduce the work intensity of the staff.

Specifically, a transmission frame is fixedly connected to the syringe, and an electric push rod is fixedly installed on the transmission frame. The free end of the electric push rod is fixed on the piston handle on the syringe, and the free end of the electric push rod is extended to push the syringe. Then the free end of the electric push rod shrinks to extract the lactic acid bacteria.

Further, the displacement assembly includes a spring fixed in the limit frame, and a connecting plate that slides through the chute and the limit frame is fixed on the spring, one end of the connecting plate is fixedly connected with the transmission frame, and the end of the rotating shaft is fixedly connected There is an eccentric wheel located above the connecting plate, the eccentric wheel rotates with the rotating shaft, the eccentric wheel rotates and contacts the connecting plate to push it down, the transmission frame descends with the connecting plate, the syringe descends with the transmission frame, and then the lactic acid bacteria in the container Contact to extract the sample, then the eccentric wheel continues to rotate and disengages from the connecting plate, the spring pushes the connecting plate to rise, and the syringe is reset. Repeat the above steps, and the sample can be continuously extracted.

Furthermore, the transmission assembly includes a transmission shaft rotatably mounted on the frame, on which a plurality of transmission plates are fixedly connected, and a plurality of sampling tubes are respectively placed in grooves on the plurality of transmission plates, and the top end of the transmission shaft is fixed The bevel gear is connected, and the incomplete bevel gear meshing with the bevel gear is connected to the rotating shaft in an interference connection. The incomplete bevel gear rotates with the rotating shaft. When the incomplete bevel gear meshes with the bevel gear, the transmission shaft is driven to rotate. When the shaft rotates, the sampling tube moves with the transmission plate, and then the next sampling tube can be replaced. When the incomplete bevel gear does not mesh with the bevel gear, the transmission shaft stops rotating, and multiple sampling tubes stop shifting, so that multiple sampling tubes can be sequentially replaced. The sampling tube moves below the syringe for easy sample collection.

According to the embodiment, it can be known that the free end of the electric push rod is extended to push the piston handle on the syringe, and the lactic acid bacteria in the syringe are injected into the sampling tube, and then the motor drives the rotating shaft to rotate, and the incomplete bevel gear rotates with the rotating shaft, and the incomplete bevel gear When meshing with the bevel gear, the transmission shaft is driven to rotate, the transmission plate rotates with the transmission shaft, and the sampling tube moves with the transmission plate, and then the next sampling tube can be replaced. When the incomplete bevel gear is not meshed with the bevel gear, the transmission shaft stops rotating At the same time, the eccentric wheel rotates with the rotating shaft, the eccentric wheel rotates and contacts the connecting plate to push it down, the transmission frame descends with the connecting plate, the syringe descends with the transmission frame, and then contacts the lactic acid bacteria in the container to extract the sample, and then the eccentric wheel Continue to rotate and disengage from the connecting plate, the spring pushes the connecting plate to rise, and the needle barrel is reset. Repeat the above steps, and the sample can be continuously extracted, and the eccentric wheel and the incomplete bevel gear are misaligned. When the incomplete bevel gear and bevel gear When in contact, the eccentric wheel is not in contact with the connecting plate, and vice versa.

Embodiment two:

As shown in Figures 1 and 5, on the basis of Embodiment 1, a water tank is fixedly connected to the frame, the water pump on the water tank is connected with a guide tube, and the end of the guide tube extends into the syringe, and the frame is built with a In the chamber, the collection box located under the syringe is placed in the chamber. When the samples in the single group of containers are extracted, the water pump starts to inject into the syringe through the diversion tube for flushing, and then it is discharged and falls into the collection box, thereby The syringe can be flushed to prevent the lactic acid bacteria in different containers from blending and affecting the extraction of samples, which is conducive to improving the accuracy of detection.

Specifically, the frame is also fixedly connected with a base connected with the collection box, the base is located on the container, and the setting of the base prevents the container from shifting.

According to the embodiment, the free end of the electric push rod is extended to push the piston handle on the syringe to discharge the water, so that the flushing of the syringe can be completed without manual disassembly for flushing, which saves time and effort.

From the above embodiment, it can be seen that: firstly, the container is placed in the base, and then the sampling tube is placed in the groove of the drive plate, and then the motor drives the rotating shaft to rotate, and the eccentric wheel rotates with the rotating shaft, and the eccentric wheel rotates and contacts the connecting plate to push it down. The transmission frame descends with the connection plate, the syringe descends with the transmission frame, and then contacts the lactic acid bacteria in the container to extract the sample, then the eccentric wheel continues to rotate and separates from the connection plate, the spring pushes the connection plate to rise, and the syringe resets, and then The free end of the electric push rod is extended to push the piston handle on the syringe, and the lactic acid bacteria in the syringe are injected into the sampling tube, and then the motor drives the rotating shaft to rotate, and the incomplete bevel gear rotates with the rotating shaft. When the incomplete bevel gear meshes with the bevel gear Drive the transmission shaft to rotate, the transmission plate rotates with the transmission shaft, the sampling tube moves with the transmission plate, and then the next sampling tube can be replaced, and the above steps can be repeated to complete the extraction of the sample, just take the sampling tube away.

It should be noted that the term "comprising", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, but also includes none other elements specifically listed, or also include elements inherent in such a process, method, article, or apparatus.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. a sample extraction device for lactic acid bacteria fermentation, comprising a frame (101) and a syringe (102), is characterized in that: a container (104) that lactic acid bacteria is housed is placed on the frame (101), and the container (104 ) is provided with a syringe (102), the frame (101) is provided with an extraction mechanism (200) for extracting lactic acid bacteria, and the frame (101) is also provided with a cleaning mechanism (300) for flushing the syringe (102) ); The extraction mechanism (200) includes a motor (201) fixed on the frame (101), the output end of the motor (201) is fixedly connected with a rotating shaft, and the frame (101) is fixedly connected with a motor (201) that slides with the syringe (102). Connected limiting frame, one side of the rotating shaft is provided with a shifting assembly (205) for contacting the syringe (102) with the lactic acid bacteria in the container (104) by means of elastic pressing, and the frame (101) is also provided with a circular rotation assembly (205). A transmission assembly (204) for collecting multiple samples. 2. lactic acid bacteria fermentation sample extracting device according to claim 1, is characterized in that: described syringe (102) is affixed with transmission frame (202), is fixedly equipped with electric push rod (202) on transmission frame (202) 203), the free end of the electric push rod (203) is affixed to the piston handle on the syringe (102). 3. The sample extraction device for lactic acid bacteria fermentation according to claim 2, characterized in that: the displacement assembly (205) includes a spring (2051) fixed in the limit frame, and the spring (2051) is fixed with a spring (2051). The connecting plate (2052) that slides through the chute and the limit frame, one end of the connecting plate (2052) is fixedly connected with the transmission frame (202), and the end of the rotating shaft is fixedly connected with the eccentric wheel (2053) located above the connecting plate (2052). ). 4. The sample extraction device for lactic acid bacteria fermentation according to claim 3, characterized in that: the transmission assembly (204) comprises a transmission shaft (2042) rotatably mounted on the frame (101), the transmission shaft (2042) A plurality of transmission plates (2043) are fixed on the top, and a plurality of sampling tubes (2045) are respectively placed in the grooves on the plurality of transmission plates (2043), and a bevel gear (2044) is fixed on the top of the transmission shaft (2042). An incomplete bevel gear (2041) meshing with the bevel gear (2044) is connected with the interference connection on the rotating shaft. 5. The sample extraction device for lactic acid bacteria fermentation according to claim 1, characterized in that: a water tank (301) is fixedly connected to the frame (101), and a water pump on the water tank (301) is connected with a guide tube (302 ), the end of the guide tube (302) extends into the syringe (102), the frame (101) has a built-in cavity, and the collection box (303) below the syringe (102) is placed in the cavity. 6. The sample extraction device for lactic acid bacteria fermentation according to claim 5, characterized in that: the frame (101) is also fixedly connected with a base (103) connected with the collection box (303), and the base (103) is located at on the container (104).

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