CN220398985U

CN220398985U - Sampler

Info

Publication number: CN220398985U
Application number: CN202321876065.3U
Authority: CN
Inventors: 朱纯梁; 杨强强; 曹宏飞
Original assignee: Jiujiang Tinci Advanced Materials Co ltd
Current assignee: Jiujiang Tinci Advanced Materials Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-01-26
Anticipated expiration: 2033-07-17

Abstract

The utility model belongs to the technical field of sampling equipment, and particularly relates to a sampler. The sampler comprises a clean box; the cleaning device comprises a cleaning box, a first connecting pipe, a three-way valve and a second connecting pipe, wherein the three-way valve is fixedly arranged in the cleaning box, the first connecting pipe and the second connecting pipe are respectively connected to the three-way valve, and the other end of the first connecting pipe extends out of the cleaning box. The three-way valve is arranged in the clean box, and a clean sampling environment is provided through the clean box; through the second connecting pipe, the cleaning is realized, and foreign matters in the three-way valve and the first connecting pipe are prevented from entering the sampling pipe.

Description

Sampler

Technical Field

The utility model belongs to the technical field of sampling equipment, and particularly relates to a sampler.

Background

A liquid sampler is a sampling device for liquids and is widely used in various production fields.

However, in the prior art, the liquid sampler has the following problems in the use process:

firstly, the problem of pollution caused by external environment, secondly, the problem of sample pollution in the using process caused by poor cleanliness of the sampler.

Disclosure of Invention

The utility model aims to solve the technical problems that: aiming at the technical problems in the background technology, the sampler capable of effectively avoiding the introduction of foreign matters of the sampler and the influence of sampling environment and realizing high-cleanliness sampling is provided.

The technical scheme provided by the utility model is as follows:

a sampler, comprising:

a clean box;

the cleaning device comprises a cleaning box, a first connecting pipe, a three-way valve and a second connecting pipe, wherein the three-way valve is fixedly arranged in the cleaning box, the first connecting pipe and the second connecting pipe are respectively connected to the three-way valve, and the other end of the first connecting pipe extends out of the cleaning box.

Optionally, the method further comprises:

the receiving tank is a closed container, and one end of the second connecting pipe extending out of the clean box is communicated with the receiving tank.

Optionally, quick connectors are respectively arranged at two ends of the first connecting pipe, two ends of the second connecting pipe, each interface of the three-way valve and the input end of the receiving tank.

Optionally, the method further comprises:

and the sealing piece is arranged on the quick connector.

Optionally, the method further comprises:

the first connecting pipe and the second connecting pipe are fixed on the clean box through the flange plate.

Optionally, the clean box is provided with a fresh air system.

Optionally, the fresh air system comprises a fan, a purifying unit, an air inlet pipe and an air outlet pipe;

the fan and the at least one purifying unit are connected in series on the air inlet pipe, one end of the air inlet pipe extends into the clean box, and the other end of the air inlet pipe extends out of the clean box;

one end of the air outlet pipe is connected to the clean box in a sealing way, and the other end of the air outlet pipe extends out of the clean box.

Optionally, the method further comprises:

the air source is used for providing protective gas and is communicated with the input end of the fan.

Optionally, the method further comprises:

the recovery tank is a closed container, and one end of the air outlet pipe, which is far away from the clean box, is communicated with the recovery tank.

Optionally, the clean box is a glove box or a clean bench.

Compared with the prior art, the utility model has the beneficial effects that:

the three-way valve is arranged in the clean box, and a clean sampling environment is provided through the clean box; through the second connecting pipe, the cleaning is realized, and foreign matters in the three-way valve and the first connecting pipe are prevented from entering the sampling pipe.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a gas circuit diagram of the present utility model;

FIG. 3 is a schematic view of the structure of the rubber sleeve of the sealing member of the present utility model;

FIG. 4 is a schematic view of the structure of the rubber stopper of the sealing member of the present utility model.

In the figure: 1. a clean box; 2. a first connection pipe; 3. a three-way valve; 4. a second connection pipe; 5. a receiving tank; 6. a seal; 7. a fresh air system; 71. a purifying unit; 72. an air inlet pipe; 73. an air outlet pipe; 74. a blower; 8. a gas source; 9. and (5) a recovery tank.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

Referring to fig. 1-4, a sampler comprises:

a clean box 1;

the cleaning box comprises a first connecting pipe 2, a three-way valve 3 and a second connecting pipe 4, wherein the three-way valve 3 is fixedly arranged in the cleaning box 1, the first connecting pipe 2 and the second connecting pipe 4 are respectively connected to the three-way valve 3, and the other end of the first connecting pipe 2 extends out of the cleaning box 1.

In this solution, the first connecting tube 2 extends beyond the end of the clean box 1 for connection with the container to be sampled. The second connection pipe 4 may extend out of the clean box 1, or the second connection pipe 4 may be provided in the clean box 1.

As a further scheme, the clean box 1 is a glove box or a clean bench, and the glove box or the clean bench is selected according to the liquid property of the sample.

As a further scheme, quick connectors are arranged at the two ends of the first connecting pipe 2, the two ends of the second connecting pipe 4 and the interfaces of the three-way valve 3. The provision of a quick connector obviously makes it possible to further increase the connection speed of the first connection pipe 2 and the second connection pipe 4. The quick connector can be selected to have a self-sealing structure, can also be a quick connector with or matched with a valve, and can also be a quick connector with or matched with a one-way valve.

One end of the first connecting pipe 2 positioned in the clean box 1 is matched with a corresponding quick connector on the three-way valve 3. One end of the second connecting pipe 4 positioned in the clean box 1 is matched with a corresponding quick connector on the three-way valve 3.

Further, a sealing member 6 is provided, and the sealing member 6 is mounted on the quick connector.

As a further solution, a flange is also provided, through which the first connection pipe 2 and the second connection pipe 4 are fixed to the clean box 1.

The first connecting pipe 2 and the second connecting pipe 4 can be fixed relative to the clean box 1 through the flange, and sealing is realized by adopting sealant or a sealing gasket on the flange in order to avoid external air from entering the clean box 1.

Obviously, the first connecting pipe 2 and the second connecting pipe 4 can also be fixed on the clean box 1 in a welding mode, but the first connecting pipe and the second connecting pipe are inconvenient to disassemble after welding, and the later maintenance is inconvenient.

When the clean box 1 is a clean bench, the pipeline may enter the clean bench through the opening, and therefore, a flange may not be used.

In order to facilitate the operation, the three-way valve 3 is generally fixed in the glove box, and specifically may be welded, adhered, bolted, clamped, or the like.

Example 2

In order to avoid the waste of the rinse liquid and the possibility of environmental pollution caused by part of the liquid, the following improvements are made.

Referring to fig. 1, a receiving tank 5 is provided, the receiving tank 5 is a closed container, and an end of the second connection pipe 4 extending out of the clean box 1 communicates with the receiving tank 5.

Furthermore, before use, the receiving tank 5 is vacuumized to form negative pressure, which is beneficial to collecting liquid.

As a further solution, the input end of the receiving tank 5 is provided with a quick connector, and the quick connector of the receiving tank 5 is mutually matched with the quick connector of the second connecting pipe 4.

Depending on the actual size of the clean box 1, a partition plate may be provided in the clean box 1, and the partition plate may separate a storage space in the clean box 1 and may place the receiving tank 5 in the storage space.

Example 3

The principle of the purification of the environment in the clean box 1 will be further described.

Referring to fig. 2, the clean box 1 is provided with a fresh air system 7. As a further scheme, the fresh air system 7 comprises a fan 74, a purifying unit 71, an air inlet pipe 72 and an air outlet pipe 73;

the fan 74 and at least one purifying unit 71 are connected in series on the air inlet pipe 72, one end of the air inlet pipe 72 extends into the clean box 1, and the other end of the air inlet pipe 72 extends out of the clean box 1;

one end of the air outlet pipe 73 is connected to the clean box 1 in a sealing way, and the other end of the air outlet pipe 73 extends out of the clean box 1.

The purifying unit 71 should have filtering, sterilizing and disinfecting functions, and may further have drying and deoxidizing functions according to the properties of the sampled liquid.

As a further option, a gas source 8 is included, the gas source 8 providing a shielding gas, the gas source 8 being in communication with the input of the blower 74.

As a further scheme, the device also comprises a recovery tank 9, wherein the recovery tank 9 is a closed container, and one end of the air outlet pipe 73, which is far away from the clean box 1, is communicated with the recovery tank 9.

According to the size of the clean box 1, a partition board can be arranged in the box body, the partition board separates the clean box 1 from an equipment bin, the fresh air system 7 is arranged in the equipment bin, and the input end of the fan 74 is fixed relative to the shell of the clean box 1 in a flange plate or welding mode.

When the glove box is used as the clean box 1, the internal environment may be purified by vacuum evacuation.

Example 4

One mode of operation of the present utility model is specifically described.

And the air source 8 is connected, and the fresh air system 7 is started, so that the environment in the clean box 1 is ensured to be clean. Then connect the quick-operation joint on the first connecting pipe 2 with wait to take a sample the container soon, pull the knob of three-way valve 3 for first connecting pipe 2 and second connecting pipe 4 intercommunication open the valve that first connecting pipe 2 is located clean case 1 outside, carry out the ware rinse, in liquid enters into receiving tank 5 after passing through first connecting pipe 2, three-way valve 3 and second connecting pipe 4 in proper order, foreign matter in the sampler enters into receiving tank 5 along with the liquid in the in-process of rinse. After 30kg of rinse liquid was discharged, the valve was closed, and the rinse was completed. The knob of the three-way valve 3 is pulled through the clean box 1, a sample to be sampled flows out through one end of the three-way valve 3 which is not connected with the first connecting pipe 2 and the second connecting pipe 4, the sample is collected by a sampling bottle after about 2kg of liquid is discharged, and the valve is closed after the sampling is completed.

Referring to fig. 3 and 4, the seal 6 in embodiment 1 and embodiment 2 may be a silicone plug, a T-shaped plug, a rubber sleeve, a balloon, or the like.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A sampler, comprising:

a clean box (1);

the cleaning box comprises a first connecting pipe (2), a three-way valve (3) and a second connecting pipe (4), wherein the three-way valve (3) is fixedly arranged in the cleaning box (1), the first connecting pipe (2) and the second connecting pipe (4) are respectively connected to the three-way valve (3), and the other end of the first connecting pipe (2) extends out of the cleaning box (1).

2. The sampler of claim 1, further comprising:

the receiving tank (5), the receiving tank (5) is a closed container, and one end of the second connecting pipe (4) extending out of the cleaning box (1) is communicated with the receiving tank (5).

3. Sampler according to claim 2, characterized in that the two ends of the first connecting pipe (2), the two ends of the second connecting pipe (4), the interfaces of the three-way valve (3) and the input end of the receiving tank (5) are provided with quick connectors.

4. A sampler according to claim 3, further comprising:

and the sealing piece (6), wherein the sealing piece (6) is arranged on the quick connector.

5. The sampler of claim 1, further comprising:

the first connecting pipe (2) and the second connecting pipe (4) are fixed on the clean box (1) through the flange.

6. The sampler according to claim 1, characterized in that the clean box (1) is provided with a fresh air system (7).

7. The sampler according to claim 6, characterized in that the fresh air system (7) comprises a fan (74), a purification unit (71), an air inlet pipe (72) and an air outlet pipe (73);

the fan (74) and the at least one purifying unit (71) are connected in series on the air inlet pipe (72), one end of the air inlet pipe (72) extends into the clean box (1), and the other end of the air inlet pipe (72) extends out of the clean box (1);

one end of the air outlet pipe (73) is connected to the clean box (1) in a sealing way, and the other end of the air outlet pipe (73) extends out of the clean box (1).

8. The sampler of claim 7, further comprising:

and the air source (8) is used for providing protective gas, and the air source (8) is communicated with the input end of the fan (74).

9. The sampler of claim 8, further comprising:

the recovery tank (9), recovery tank (9) are airtight container, go out tuber pipe (73) keep away from clean case (1) one end with recovery tank (9) intercommunication.

10. The sampler according to claim 1, characterized in that the clean box (1) is a glove box or a clean bench.