CN219084535U

CN219084535U - Sample preparation device

Info

Publication number: CN219084535U
Application number: CN202320572624.5U
Authority: CN
Inventors: 赵源; 于寒冰; 杨红菊; 黄培鑫
Original assignee: Beijing Agricultural Products Quality And Safety Center
Current assignee: Beijing Agricultural Products Quality And Safety Center
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-05-26
Anticipated expiration: 2033-03-22

Abstract

The utility model provides a sample preparation device which comprises a body, an experiment table, a water tank, a plurality of sample grinding barrels, a plurality of sample discharging pipes and a plurality of upper covers. The laboratory bench sets up in the body, and the basin sets up in the body, and basin and laboratory bench set up along vertical interval. Each sample grinding barrel is arranged on the experiment table and is provided with a cavity. Each sample discharging pipe is located at the bottom of the experiment table, one end of each sample discharging pipe is communicated with the corresponding sample grinding barrel, the other end of each sample discharging pipe extends to the water tank, and a valve is arranged on each sample discharging pipe. Each upper cover comprises a cover body, a driving mechanism, a cutter bar and a blade, wherein the driving mechanism is arranged on the cover body, one end of the cutter bar is in transmission connection with the driving mechanism, and the other end of the cutter bar is connected with the blade. And in the state that the upper cover is covered on the sample grinding barrel, both the cutter bar and the cutter blade of the upper cover extend into the cavity of the sample grinding barrel. The sample preparation device of the patent application enables the process that the grinded sample is transferred from the grinding cup to the sample cup to be convenient, time-saving and more accurate.

Description

Sample preparation device

Technical Field

The utility model relates to the technical field of experimental sample preparation, in particular to a sample preparation device.

Background

Experiments such as detection of planted products require processing and grinding samples such as vegetables, fruits, edible fungi and grains, in the prior art, grinding is performed by using a grinder such as a wall breaking machine, and then the ground samples are quantitatively poured into a sample cup for storage and experiments. Since the ground sample is pasty, the pouring process of the sample from the grinder into the sample cup is difficult to operate, and the ground sample needs to be separated from the grinder cup by means of a spoon or the like, so that the transfer is very time-consuming and labor-consuming, and the transferred amount cannot be easily grasped. During the transfer process, the sample is easily spilled, causing waste and contamination.

In view of this, the present utility model has been made.

Disclosure of Invention

The utility model provides a sample preparation device.

The application provides the following technical scheme:

an object of the present application is to provide a sample preparation device comprising:

a body;

the experiment table is arranged on the body;

the water tank is arranged on the body, and the water tank and the experiment table are longitudinally arranged at intervals;

the sample grinding barrels are arranged on the experiment table and are provided with cavities;

the sample grinding device comprises a plurality of sample discharging pipes, a plurality of water tanks and a plurality of water pipes, wherein each sample discharging pipe is positioned at the bottom of the experiment table, one end of each sample discharging pipe is communicated with a corresponding sample grinding barrel, the other end of each sample discharging pipe extends to the water tank, and a valve is arranged on each sample discharging pipe;

the upper covers comprise cover bodies, driving mechanisms, cutter bars and blades, the driving mechanisms are arranged on the cover bodies, one ends of the cutter bars are in transmission connection with the driving mechanisms, and the other ends of the cutter bars are connected with the blades;

and in the state that the upper cover is covered on the sample grinding barrel, both the cutter bar and the cutter blade of the upper cover extend into the cavity of the sample grinding barrel.

Optionally, a faucet is arranged on the experiment table, each sample grinding barrel is arranged around the faucet, and liquid can be injected into each sample grinding barrel through the faucet.

Optionally, the faucet is rotatably disposed on the laboratory bench.

Optionally, a water inlet main pipe is arranged on the experiment table, a plurality of water inlet branch pipes are connected to the water inlet main pipe, the water inlet branch pipes are respectively communicated with corresponding sample grinding barrels, and water valves are arranged on the water inlet branch pipes.

Optionally, a connecting nozzle is arranged on one side of the sample grinding barrel, which is close to the top opening;

the water inlet branch pipe is connected to the connecting nozzle.

Optionally, the device further comprises a control panel which is electrically connected with the driving mechanism, the valve on the drain pipe and the water valve on each water inlet branch pipe respectively.

Optionally, a plurality of sinking grooves are formed in the experiment table, and avoidance holes are formed in the bottom wall of each sinking groove;

the sample grinding barrel comprises a main barrel body and a discharge nozzle arranged at the bottom of the main barrel body;

the main barrel body is partially embedded in the sinking groove, the discharge nozzle penetrates through the avoidance hole, and the sample discharging pipe is connected with the discharge nozzle.

Optionally, the water tank is connected with a drain pipe.

By adopting the technical scheme, the utility model has the following beneficial effects:

the sample preparation device of this patent application for the process that grinds the sample and shifts to the sample cup by grinding the appearance cup becomes both convenient, and save time again, and more accurate.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model, without limitation to the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:

FIG. 1 is a cross-sectional view of a sample preparation device employing water injection from a water-tube-connected sample milling barrel provided in an embodiment of the present application;

FIG. 2 is a front view of a sample preparation device employing water injection from a water-tube-connected sample milling barrel according to an embodiment of the present application;

fig. 3 is a front view of a sample preparation device provided in an embodiment of the present application using a faucet to fill a sample receiving barrel.

In the figure, a laboratory bench 2, a sink 21, a avoiding hole 22, a control panel 23, a water tank 3, a sample grinding barrel 4, a main barrel 41, a discharge nozzle 42, a sample discharge pipe 5, a valve 51, an upper cover 6, a cover 61, a cutter bar 62, a blade 63, a faucet 7, a water inlet main pipe 81, a water inlet branch pipe 82, a water valve 83 and a water discharge pipe 9.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 3, the present application provides a sample preparation device, which comprises a body, a laboratory bench 2, a water tank 3, a plurality of sample grinding barrels 4, a plurality of sample discharging pipes 5 and a plurality of upper covers 6. The experiment table 2 is arranged on the body, the water tank 3 is arranged on the body, and the water tank 3 and the experiment table 2 are arranged at intervals along the longitudinal direction. Each sample grinding barrel 4 is arranged on the experiment table 2, and the sample grinding barrel 4 is provided with a cavity. Each sample discharging tube 5 is located at the bottom of the experiment table 2, one end of each sample discharging tube 5 is communicated with the corresponding sample grinding barrel 4, the other end extends towards the water tank 3, and a valve 51 is arranged on each sample discharging tube 5. Each upper cover 6 comprises a cover body 61, a driving mechanism, a cutter bar 62 and a blade 63, wherein the driving mechanism is arranged on the cover body 61, one end of the cutter bar 62 is in transmission connection with the driving mechanism, and the other end of the cutter bar is connected with the blade 63. In a state that the upper cover 6 is covered on the sample grinding barrel 4, both the cutter bar 62 and the cutter blade 63 of the upper cover 6 extend into the cavity of the sample grinding barrel 4.

When the sample grinding device is used, a sample is simply diced and then is placed into the sample grinding barrel 4, the upper cover 6 is covered, the driving mechanism is started to drive the cutter bar 62 to drive the cutter blade 63 to rotate so as to grind the sample, then a sample cup is connected below the sample discharge pipe 5, the valve 51 is opened so that the ground sample can flow into the sample cup, the valve 51 is closed when one sample cup is connected to a set scale, and the valve 51 can be opened again after the next sample cup is placed, so that the sample can be connected to the sample cup. The sample preparation device of this patent application for the process that grinds the sample and shifts to the sample cup by grinding the appearance cup becomes both convenient, and save time again, and more accurate.

The body can be in various forms such as a wall body, a shelf or a table. If the body is connected with the wall body at intervals from top to bottom by the wall body experiment table 2 and the water tank 3. Or the body is a shelf, the experiment table 2 is arranged on the upper layer of the shelf, and the water tank 3 is arranged on the lower layer of the shelf.

The cleaning of the sample grinding barrel 4 and the water injection of the sample grinding barrel 4 are needed, and the water injection mode of the sample grinding barrel 4 can be various.

For example: as shown in fig. 3, in one embodiment of water injection, a faucet 7 is provided on the experiment table 2, and each sample grinding barrel 4 is disposed around the faucet 7, so that liquid can be injected into each sample grinding barrel 4 through the faucet 7. One end of the tap 7 is connected with a water inlet pipe, and the other end can drain water into the sample grinding barrel 4. The sample grinding barrel 4 is fixed on the experiment table 2, the sample grinding barrel 4 is arranged around the faucet 7, and the faucet 7 is convenient to fill water into each sample grinding barrel 4 for cleaning.

The faucet 7 may be provided in a variety of arrangements, and in one embodiment the faucet 7 is rotatably mounted to the laboratory bench 2. The water tap 7 can be any rotatable U-shaped water tap 7 on the market, and the water outlet position of the water tap 7 is higher than that of the sample grinding barrel 4, so that the water outlet of the water tap 7 can be rotated to the position above each sample grinding barrel 4 to add water or flush the sample grinding barrel 4.

As shown in fig. 1, in another embodiment of water injection, a water inlet main pipe 81 is disposed on the experiment table 2, a plurality of water inlet branch pipes 82 are connected to the water inlet main pipe 81, each water inlet branch pipe 82 is respectively communicated with a corresponding sample grinding barrel 4, and each water inlet branch pipe 82 is provided with a water valve 83. When water needs to be fed into the sample grinding barrel 4, water can be fed by opening the water valve 83 on the corresponding water feeding branch pipe 82. The water injection is more convenient than the water injection method, but the water injection method is relatively more difficult to set, and the water injection method can be selected and set according to the needs.

In one possible embodiment, the side of the sample grinding barrel 4 near the top opening is provided with a connection nozzle to which the water inlet branch pipe 82 is connected. This is more convenient for connection and maintenance.

In one possible embodiment, the sample preparation device further comprises a control panel 23, the control panel 23 being electrically connected to the drive mechanism, the valve 51 on the sample discharge tube 5 and the water valve 83 on each of the water inlet branches 82, respectively. The upper cover 6, the valve 51 and the water valve 83 may be electrically connected to the control panel 23 by wires. The control panel 23 may be provided on the laboratory bench 2, and the driving mechanism, the valve 51 and the water valve 83 may be controlled more conveniently by buttons on the control panel 23.

The control panel 23 is provided with a cleaning button, when the cleaning button is triggered, the control panel controls to execute a cleaning task, for example, the control panel firstly controls the water valve 83 on the water inlet branch pipe 82 to open water inlet, water is injected into the main cylinder 41, after the water injection is finished, the cutter bar on the upper cover 6 is automatically controlled to drive the blade 63 to rotate, cleaning water in the main cylinder 41 is stirred, and then the control panel 23 controls the valve 51 to open to discharge sewage. The control panel 23 can control the cyclic execution of the previous process for a plurality of times, thereby improving the cleaning effect. The sample preparation equipment can be automatically cleaned, and the main cylinder 41 is not required to be manually cleaned by a worker, so that the use is convenient, and the working efficiency is improved.

In one possible embodiment, the experiment table 2 is provided with a plurality of sink grooves 21, and the bottom wall of the sink groove 21 is provided with a avoiding hole 22. The sample grinding barrel 4 comprises a main barrel 41 and a discharge nozzle 42 arranged at the bottom of the main barrel 41, the main barrel 41 is partially embedded in the sink 21, the discharge nozzle 42 penetrates through the avoidance hole 22, and the sample discharge pipe 5 is connected with the discharge nozzle 42. The main cylinder 41 is arranged in the sinking groove 21, so that the sample grinding barrel 4 can be ensured to be stably arranged, and cannot shake during grinding or fall off from the experiment table 2. The arrangement of the avoidance hole 22 is convenient for the discharge nozzle 42 at the bottom of the main cylinder 41 to extend downwards from the experiment table 2, so that the connection of the sample discharge pipe 5 and the installation of the valve 51 are more convenient, the position limitation can be further carried out, and the stability of the sample grinding barrel 4 is ensured.

In one possible embodiment, the sink 3 is connected with a drain pipe 9. The drain pipe 9 is arranged below the water tank 3 to facilitate the discharge of the washed residue wastewater and the like, the area of the notch of the water tank 3 covers the projection of the experiment table 2, and the discharged residue wastewater is not easy to flow out of the water tank 3.

The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present utility model without departing from the scope of the utility model.

Claims

1. A sample preparation device, comprising:

a body;

the experiment table is arranged on the body;

2. The sample preparation device of claim 1, wherein a faucet is provided on the laboratory bench, each of the sample milling barrels being disposed around the faucet, liquid being able to be injected into each sample milling barrel through the faucet.

3. The sample preparation device of claim 2, wherein the faucet is rotatably disposed to the laboratory bench.

4. The sample preparation device of claim 1, wherein a water inlet main pipe is arranged on the experiment table, a plurality of water inlet branch pipes are connected to the water inlet main pipe, the water inlet branch pipes are respectively communicated with corresponding sample grinding barrels, and water valves are arranged on the water inlet branch pipes.

5. The sample preparation device of claim 4, wherein a connecting nozzle is arranged on one side of the sample grinding barrel close to the top opening;

the water inlet branch pipe is connected to the connecting nozzle.

6. The sample preparation device of claim 5, comprising a control panel electrically connected to the drive mechanism, the valve on the drain tube, and the water valve on each of the inlet legs, respectively.

7. The sample preparation device according to claim 1, wherein a plurality of sinking grooves are formed in the experiment table, and avoidance holes are formed in the bottom wall of each sinking groove;

8. The sample preparation device of claim 1, wherein a drain is connected to the sink.