CN220625836U

CN220625836U - Closed sampler

Info

Publication number: CN220625836U
Application number: CN202321692888.0U
Authority: CN
Inventors: 王家乐; 王贝贝; 曹宏飞
Original assignee: Jiujiang Tinci Advanced Materials Co ltd
Current assignee: Jiujiang Tinci Advanced Materials Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2024-03-19
Anticipated expiration: 2033-06-30

Abstract

The utility model belongs to the technical field of sampling equipment, and particularly relates to a closed sampler. The airtight sampler includes: one end of the conversion joint is connected with the closed container; the sampling tube is detachably connected between the liquid discharge tube and the adapter. According to the utility model, the sampling tube is detachably connected between the adapter and the liquid discharge pipe, so that the sampling tube can be detached after sampling is completed, the sample cannot be exposed in the environment in the whole process, and a needle tube and a sample container are not required, so that the cleanliness of the sample is ensured.

Description

Closed sampler

Technical Field

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

Background

The electrolyte can be influenced by the environment in the sampling and detecting process, so that the quality of the produced product is inconsistent with the detection result, the production, the process and the quality personnel judgment are influenced, and the qualified product judgment is failed.

To solve the above problems, the inventors have disclosed in publication No.: patent of CN218782036U proposes a closed container liquid sampler, which relates to the technical field of sampling detection; the sampler comprises: the joint is used for being connected with the closed container; one end of the liquid discharge pipe is connected with the connector; the control assembly is used for controlling the opening and closing of the liquid discharge pipe, and one end of the control assembly is connected with the liquid discharge pipe; the bent nozzle pipe is connected with the other end of the control component.

Above-mentioned sampler, accessible control assembly makes liquid follow fluid-discharge tube to curved mouth pipe outflow, carries out quick rinse to the sampler, eliminates the sampling process pollution.

However, the above patent has the following problems during use: after sampling is completed, the sample needs to be stored in a container and transported to a detection center. Because the sampling process is to sample through penetrating the bent nozzle pipe or the needle tube into the silica gel sheet 6, on one hand, the moisture in the environment in the sampling process can be introduced into the sample, so that the moisture detection of the product is higher; after the water is introduced, the product is decomposed to generate HF, the acid value of the product is higher, and even the components of the product are abnormal; on the other hand, other containers are adopted for sampling, the containers lack of rinsing, other impurities possibly exist for polluting the samples, complicated cleaning and drying steps are required to be adopted for ensuring the cleanliness of the sampling containers, the operation is complex, and the efficiency is low.

Disclosure of Invention

The utility model aims to solve the technical problems that: aiming at the technical problems in the background technology, a closed sampler is provided, a detachable sampling tube for storing samples in a closed manner is additionally arranged in the middle of the original sampler, and the samples are stored in the sampling tube after the samples are taken.

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

a closed sampler comprising:

one end of the conversion joint is connected with the closed container;

the sampling tube is detachably connected between the liquid discharge tube and the adapter.

Optionally, the fluid-discharge tube includes curved mouth pipe, valve and first connector, and the one end of valve is connected with the vertical end of curved mouth pipe, and the other end of valve is connected with first connector.

Optionally, the valve is provided with a knob for controlling the opening and closing of the valve.

Optionally, the both ends of sampling tube are equipped with second connector and third connector respectively, the second connector with first connector connects soon, the third connector with the one end that the adapter kept away from airtight container connects soon.

Optionally, the method further comprises:

the mounting tube is arranged on the outer wall of the sampling tube and is communicated with the sampling tube;

the sealing piece is arranged at one end of the mounting tube far away from the sampling tube;

and a fastener which fixes the sealing sheet relative to the mounting tube.

Optionally, the fastener includes first go-between, the inner wall of first go-between is in through threaded connection on the outer wall of installation tube, the one end that the installation tube was kept away from to first go-between is equipped with the spacing ring that inwards turns up, the sealing fin is located in the first go-between, the both ends of sealing fin respectively with the spacing ring with the installation tube pastes tightly.

Optionally, the lateral wall integrated into one piece of sealing washer has the sealing washer, the sealing washer extends along the axis direction of sealing washer, the external diameter of installation tube is followed the sampling tube outwards reduces gradually in proper order, the fastener includes the second go-between, the second go-between cover is established the outer wall of installation tube, the external diameter of second go-between is followed the sampling tube outwards reduces gradually, the inner wall of second go-between is in through threaded connection the outer wall of installation tube, the sealing washer is located the second go-between with between the installation tube.

Optionally, the fastener includes a plunger, the plunger is integrally formed with the sealing piece, the plunger is coaxially disposed on one side of the sealing piece, and the plunger is inserted into the mounting tube.

Optionally, the fastener includes the third go-between, the third go-between with sealing plate integrated into one piece, the coaxial setting of third go-between is in the lateral wall of sealing plate, the third go-between cover is established the mounting tube outer wall.

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

according to the utility model, the sampling tube is detachably connected between the adapter and the liquid discharge pipe, so that the sampling tube can be detached after sampling is completed, the sample cannot be exposed in the environment in the whole process, and a needle tube and a sample container are not required, so that the cleanliness of the sample is ensured.

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 schematic view of a drain pipe according to the present utility model;

FIG. 3 is a schematic view of a sampling tube according to the present utility model;

FIG. 4 is a schematic diagram of an adapter of the present utility model;

FIG. 5 is a schematic view of a fastener of the present utility model employing a first attachment ring;

FIG. 6 is a schematic view of a fastener of the present utility model employing a second attachment ring;

FIG. 7 is a schematic view of a fastener of the present utility model employing a plunger;

FIG. 8 is a schematic view of a fastener of the present utility model employing a third attachment ring.

In the figure: 1. a liquid discharge pipe; 11. bending the mouth tube; 12. a valve; 13. a first connector; 121. a knob; 2. a sampling tube; 21. a second connector; 22. a third connector; 3. a conversion joint; 4. installing a pipe; 5. a sealing sheet; 51. a seal ring; 6. a fastener; 61. a first connection ring; 62. a limiting ring; 63. a second connecting ring; 64. a plunger; 65. and a third connecting ring.

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. 1-8, a hermetic sampler includes:

the adapter 3, one end of the adapter 3 is connected with the airtight container;

the sampling tube 2 and the liquid discharge tube 1, the sampling tube 2 is detachably connected between the liquid discharge tube 1 and the adapter 3.

As a further scheme, the liquid discharge pipe 1 comprises a bent nozzle pipe 11, a valve 12 and a first connecting joint 13, one end of the valve 12 is connected with the vertical end of the bent nozzle pipe 11, and the other end of the valve 12 is connected with the first connecting joint 13.

The two ends of the valve 12 are respectively connected with the first connector 13 and the bent nozzle pipe 11 through internal threads. In order to ensure sealing, a raw material belt is adopted during installation.

As a further alternative, the valve 12 is provided with a knob 121 for controlling the opening and closing of the valve 12.

As a further scheme, two ends of the sampling tube 2 are respectively provided with a second connector 21 and a third connector 22, the second connector 21 is fast connected with the first connector 13, and the third connector 22 is fast connected with one end of the adapter 3 far away from the closed container.

It should be noted that, the first connector 13 and the second connector 21 are dual self-sealing high-temperature high-pressure quick connectors, and in general, the second connector 21 is a male connector and the first connector 13 is a female connector. The end of the third connector 22 connected with the adapter 3 is also a double self-sealing high-temperature high-pressure quick connector, in general, the third connector 22 is a male connector, and the connector matched with the third connector 22 in the adapter 3 is a female connector. In this way, it can be ensured that sealing can be achieved when the sampling tube 2 is not connected to the adapter 3 or the drain 1.

When the liquid discharge tube is specifically used, the liquid discharge tube 1, the sampling tube 2 and the adapter 3 are sequentially connected, then the other end of the adapter 3 is connected into a closed container, the knob 121 is turned, and the valve 12 is opened. The sample is discharged through the adapter 3, the sampling tube 2 and the liquid discharge tube 1 in sequence, the sample tube is rinsed in the mode, and after the rinsing is finished, the valve 12 is closed. After the sampling tube 2 is disassembled, sampling is completed.

Since the drain pipe 1 employs the bent nozzle pipe 11, it is possible to prevent the sample from splashing during the washing and to collect the discharged sample easily.

Example 2

The sampling method of the sample in the sampling tube 2 will be described in detail.

Referring to fig. 3, a mounting tube 4 communicating with the sampling tube 2 is provided at an outer wall of the sampling tube 2; a sealing piece 5 is arranged at one end of the mounting tube 4 far away from the sampling tube 2, and the sealing piece 5 is fixed relative to the mounting tube 4 through a fastener 6.

The sealing sheet 5 is generally made of silica gel, and the sealing sheet 5 needs to be replaced after being used for a certain number of times. Thus, the fastener 6 needs to meet the requirements of the detachable connection.

The sealing piece 5 is used to seal the mounting tube 4.

One solution for the fastener 6 is: referring to fig. 5, the fastener 6 includes a first connection ring 61, an inner wall of the first connection ring 61 is screwed on an outer wall of the installation tube 4, one end of the first connection ring 61 away from the installation tube 4 is provided with a stop ring 62 turned up inwards, the sealing sheet 5 is located in the first connection ring 61, and two ends of the sealing sheet 5 are respectively tightly attached to the stop ring 62 and the installation tube 4.

One solution for the fastener 6 is: referring to fig. 6, the outer side wall integrated into one piece of sealing plate 5 has sealing washer 51, sealing washer 51 extends along the axis direction of sealing plate 5, the external diameter of installation pipe 4 is followed sampling tube 2 outwards is progressively decreased gradually, fastener 6 includes second go-between 63, second go-between 63 cover is established the outer wall of installation pipe 4, the internal diameter of second go-between 63 is progressively decreased along sampling tube 2 outwards in proper order, the inner wall of second go-between 63 is in through threaded connection the outer wall of installation pipe 4, sealing washer 51 is located between second go-between 63 and installation pipe 4.

It should be noted that, the outer diameter of the mounting tube 4 may also be sequentially increased along the sampling tube 2, and correspondingly, the inner diameter of the second connection ring 63 sequentially increases along the sampling tube 2. However, in this way, the second connection ring 63 needs to be sleeved outside the mounting tube 4, and then the mounting tube 4 is welded to the outer wall of the sampling tube 2. And this way the second connection ring 63 is inconvenient to replace at a later stage.

The sealing ring 51 has the same taper as the mounting tube 4.

One solution for the fastener 6 is: referring to fig. 7, the fastener 6 includes a plunger 64, the plunger 64 is integrally formed with the sealing plate 5, the plunger 64 is coaxially disposed at one side of the sealing plate 5, and the plunger 64 is inserted into the mounting tube 4.

In this scheme, the outer wall of the plunger 64 or the inner wall of the mounting tube 4 may be provided with a limit rib, and the outer wall of the plunger 64 or the inner wall of the mounting tube 4 may be provided with a limit rib and an annular clamping groove which are mutually matched. Improving stability of the plunger 64 after installation.

One solution for the fastener 6 is: referring to fig. 8, the fastener 6 includes a third connecting ring 65, where the third connecting ring 65 is integrally formed with the sealing piece 5, the third connecting ring 65 is coaxially disposed on an outer side wall of the sealing piece 5, and the third connecting ring 65 is sleeved on an outer wall of the mounting tube 4.

In this scheme, the outer wall of installation pipe 4 or the inner wall of third go-between 65 can set up spacing muscle, also can just set up spacing muscle and the annular draw-in groove of mutually supporting of outer wall of installation pipe 4 or the inner wall of third go-between 65. The stability of the third connecting ring 65 after installation is improved.

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. Airtight sampler, its characterized in that includes:

the adapter (3), one end of the adapter (3) is connected with the airtight container;

the sampling tube (2) and the liquid discharge tube (1), the sampling tube (2) can be detachably connected between the liquid discharge tube (1) and the adapter (3).

2. The airtight sampler according to claim 1, wherein the drain pipe (1) comprises a bent nozzle pipe (11), a valve (12) and a first connector (13), one end of the valve (12) is connected with the vertical end of the bent nozzle pipe (11), and the other end of the valve (12) is connected with the first connector (13).

3. The hermetic sampler according to claim 2, characterized in that the valve (12) is provided with a knob (121) controlling the opening and closing of the valve (12).

4. A closed sampler according to claim 2 or 3, wherein two ends of the sampling tube (2) are respectively provided with a second connector (21) and a third connector (22), the second connector (21) is fast connected with the first connector (13), and the third connector (22) is fast connected with one end of the adapter (3) far away from the closed container.

5. The hermetic sampler of claim 1, further comprising:

the mounting pipe (4) is arranged on the outer wall of the sampling pipe (2), and the mounting pipe (4) is communicated with the sampling pipe (2);

the sealing piece (5) is arranged at one end of the mounting tube (4) far away from the sampling tube (2);

and a fastener (6), wherein the fastener (6) fixes the sealing piece (5) relative to the mounting tube (4).

6. The airtight sampler according to claim 5, characterized in that the fastener (6) comprises a first connecting ring (61), the inner wall of the first connecting ring (61) is connected to the outer wall of the mounting pipe (4) through threads, one end of the first connecting ring (61) far away from the mounting pipe (4) is provided with a inwards turned limiting ring (62), the sealing piece (5) is located in the first connecting ring (61), and two ends of the sealing piece (5) are respectively tightly attached to the limiting ring (62) and the mounting pipe (4).

7. The airtight sampler according to claim 5, characterized in that the outer side wall of the sealing piece (5) is integrally provided with a sealing ring (51), the sealing ring (51) extends along the axial direction of the sealing piece (5), the outer diameter of the mounting tube (4) decreases outwards in sequence along the sampling tube (2), the fastener (6) comprises a second connecting ring (63), the second connecting ring (63) is sleeved on the outer wall of the mounting tube (4), the inner diameter of the second connecting ring (63) decreases outwards in sequence along the sampling tube (2), the inner wall of the second connecting ring (63) is connected with the outer wall of the mounting tube (4) through threads, and the sealing ring (51) is located between the second connecting ring (63) and the mounting tube (4).

8. The hermetic sampler of claim 5, characterized in that the fastener (6) comprises a plunger (64), the plunger (64) being integrally formed with the sealing plate (5), the plunger (64) being coaxially disposed on one side of the sealing plate (5), the plunger (64) being inserted into the mounting tube (4).

9. The airtight sampler according to claim 5, characterized in that the fastener (6) comprises a third connecting ring (65), the third connecting ring (65) and the sealing sheet (5) are integrally formed, the third connecting ring (65) is coaxially arranged on the outer side wall of the sealing sheet (5), and the third connecting ring (65) is sleeved on the outer wall of the mounting tube (4).