Chemical analysis and detection sampling device

By introducing components such as sealing rings, sealing gaskets, and sealing caps into the chemical sampling device, combined with telescopic tubes and fixed frames, the problems of sealing and sampling accuracy of chemical samples are solved, achieving safe, accurate, and efficient sampling of chemical samples.

CN224051685UActive Publication Date: 2026-03-27QUFU FAREAST VOCATIONAL & TECH COLLEGE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-19
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing chemical sampling devices have poor sealing performance when sampling corrosive, toxic or volatile chemical samples, which can easily lead to sample leakage, affect sample accuracy and threaten the safety of operators. At the same time, it is difficult to achieve accurate sampling at different depths and locations, especially in large reaction vessels or storage containers, where sample representativeness cannot be guaranteed.

Method used

A multi-seal assembly consisting of a sealing ring, sealing gasket, and sealing cap, combined with a telescopic tube and a fixed frame, was designed to ensure the airtightness of the device. It also enables precise sampling at different depths and locations through a filter screen and a pump. The assembly is made of stainless steel to accommodate chemical samples of different properties.

Benefits of technology

It improves the sealing of the device, prevents sample leakage, ensures the safety of operators, enables accurate sampling at different depths and locations, ensures the representativeness and purity of the samples, and improves sampling efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a chemical analysis detection sampling device, which relates to the technical field of chemical analysis, and comprises a sampling bottle, a sampling tube and a sampling head, one side of the sampling bottle is fixedly provided with the sampling tube, a sealing ring is arranged between the sampling tube and the sampling bottle, the top of the sampling bottle is provided with a bottle plug, and the sampling head is arranged on the bottle plug. A sealing gasket is fixedly mounted between the bottle plug and the sampling bottle, and a sampling head is arranged at the other end of the sampling tube. Through the arrangement of multiple sealing assemblies such as the sealing ring, the sealing gasket and the sealing cover, the sealing performance of the device is effectively improved, corrosive, toxic or volatile chemical samples are prevented from leaking, the safety of operators and the accuracy of the samples are guaranteed, and meanwhile through the design of the fixing frame and the telescopic pipe, the sealing performance of the device is improved. The length and the angle of the sampling pipe can be flexibly adjusted, accurate sampling of samples at different depths and different positions is achieved, and the representativeness of the sampled samples is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of chemical analysis technology, specifically relates to a chemical analysis and detection sampling device. BACKGROUND

[0002] In the chemical analysis and detection process, accurate sampling is the key to guarantee the reliability of the analysis result. But the existing chemical sampling device has poor sealing when sampling some corrosive, toxic or volatile chemical samples, which can easily lead to sample leakage, not only affecting the accuracy of the sample, but also threatening the safety of the operator, and the sampling device often cannot achieve accurate sampling of samples at different depths and different positions, especially in some large reaction kettles or storage containers, which cannot guarantee the representativeness of the sampled samples. Therefore, we propose a chemical analysis and detection sampling device. UTILITY MODEL CONTENT

[0003] In view of the above problems existing in the prior art chemical analysis and detection sampling device, the utility model is proposed.

[0004] Therefore, the utility model aims to provide a chemical analysis and detection sampling device, which solves the problem that the existing chemical sampling device has poor sealing when sampling some corrosive, toxic or volatile chemical samples, which can easily lead to sample leakage, not only affecting the accuracy of the sample, but also threatening the safety of the operator, and the sampling device often cannot achieve accurate sampling of samples at different depths and different positions, especially in some large reaction kettles or storage containers, which cannot guarantee the representativeness of the sampled samples.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] A chemical analysis and detection sampling device, comprising a sampling bottle, a sampling tube and a sampling head, one side of the sampling bottle is fixedly installed with a sampling tube, a sealing ring is arranged between the sampling tube and the sampling bottle, the top of the sampling bottle is provided with a bottle plug, a sealing gasket is fixedly installed between the bottle plug and the sampling bottle, the other end of the sampling tube is provided with a sampling head, the end of the sampling head is provided with a sampling port, the surface of the sampling port is provided with a thread, one end of the sampling port is connected with a sealing cover through the thread, the surface of the sampling tube is provided with an extension tube, and the surface of the sampling tube is fixedly installed with a material pumping pump.

[0007] Preferably, the surface of the sampling tube is provided with a fixed frame, one side of the sampling tube located in the fixed frame is fixedly connected with the fixed frame, and the other side of the sampling tube located in the fixed frame is rotatably connected with the fixed frame.

[0008] Preferably, the inside of the sampling head is fixedly installed with a filter screen, which is located at one side close to the sampling port.

[0009] Preferably, the sampling tube and the sampling bottle are a stainless steel tube and a stainless steel bottle respectively.

[0010] Preferably, the surface of the bottle plug is provided with a vent hole, the inside of the vent hole is fixedly installed with a vent pipe, and the surface of the vent pipe is fixedly installed with a one-way valve.

[0011] Preferably, the sealing ring and the sealing cover are a rubber sealing ring and a rubber sealing cover respectively.

[0012] In the above technical solution, the technical effects and advantages provided by the utility model are as follows:

[0013] 1. The utility model discloses a sealing ring, a sealing washer and a sealing cover are arranged in multiple sealing components, which effectively improve the sealing property of the device, prevent the leakage of corrosive, toxic or volatile chemical samples, ensure the safety of the operator and the accuracy of the sample, and through the design of the fixed frame and the telescopic tube, the length and angle of the sampling tube can be flexibly adjusted, accurate sampling of samples at different depths and different positions is realized, and the representativeness of the sampled sample is ensured.

[0014] 2. The utility model discloses a filter screen arranged at the sampling head, which can effectively filter out impurities in the sample, improve the purity of the sample, is beneficial to subsequent analysis and detection, and through the arrangement of the vent hole and the one-way valve on the bottle plug, the air pressure inside and outside the sampling bottle can be balanced while ensuring the sealing property of the sampling bottle, the sample collection is facilitated, and the sampling efficiency is improved. DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0016] Fig. 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Fig. 2 It is a schematic diagram of the cross-sectional structure of the sampling head of the utility model;

[0018] Fig. 3 It is a schematic diagram of the cross-sectional structure of the fixed frame of the utility model.

[0019] Explanation of reference signs:

[0020] 1, sample bottle; 2, sample tube; 3, sampling head; 4, sealing ring; 5, bottle plug; 6, sealing ring; 7, sampling port; 8, sealing cover; 9, telescopic tube; 10, fixed frame; 11, filter screen; 12, vent hole; 13, vent pipe; 14, one-way valve; 15, pumping pump. DETAILED DESCRIPTION

[0021] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.

[0022] The utility model discloses a chemical analysis and detection sampling device.

[0023] The utility model provides a kind of chemical analysis and detection sampling device as Figs. 1-3 As shown in the figure, a kind of chemical analysis and detection sampling device, including sample bottle 1, sample tube 2 and sampling head 3, the side fixed mounting of sample bottle 1 has sample tube 2, sealing ring 4 is equipped between sample tube 2 and sample bottle 1, the top of sample bottle 1 is equipped with bottle plug 5, sealing ring 6 is fixedly installed between bottle plug 5 and sample bottle 1, the other end of sample tube 2 is equipped with sampling head 3, the end of sampling head 3 is equipped with sampling port 7, the surface of sampling port 7 is equipped with thread, the end of sampling port 7 is connected with sealing cover 8 by thread, the surface of sample tube 2 is equipped with telescopic tube 9, the surface of sample tube 2 is fixedly installed pumping pump 15, improve the sealing property of device.

[0024] The utility model discloses a kind of chemical analysis and detection sampling device, the surface of sample tube 2 is equipped with fixed frame 10, sample tube 2 is fixedly connected with fixed frame 10 on the side of fixed frame 10, and sample tube 2 is rotatably connected with fixed frame 10 on the other side of fixed frame 10, it is convenient to adjust the angle of sample tube 2.

[0025] The utility model discloses a kind of chemical analysis and detection sampling device, filter screen 11 is fixedly installed in the inside of sampling head 3, filter screen 11 is located on the side close to sampling port 7, can effectively filter out the impurity in sample, improve the purity of sample.

[0026] The utility model discloses a kind of chemical analysis and detection sampling device, sample tube 2 and sample bottle 1 are stainless steel tube and stainless steel bottle respectively, can adapt to different nature's chemical sample.

[0027] The utility model discloses a kind of chemical analysis and detection sampling device, the surface of bottle plug 5 is equipped with vent hole 12, vent pipe 13 is fixedly installed in the inside of vent hole 12, one-way valve 14 is fixedly installed on the surface of vent pipe 13, can balance bottle internal and external air pressure, it is convenient to sample collection, improve sampling efficiency.

[0028] The utility model discloses a chemical analysis and detection sampling device, the sealing ring 4 with sealing cover 8 are rubber sealing ring 4 and rubber sealing cover 8 respectively.

[0029] In use, first, the sampling device is installed in a suitable position, the length of the sampling tube 2 is adjusted through the telescopic tube 9, the sampling head 3 reaches the required sampling depth, then one end of the sampling tube 2 is rotated, the sampling tube 2 is rotated to the suitable sampling position to open the sealing cover 8, meanwhile, the material suction pump 15 is started, the sample enters the sampling tube 2 through the sampling port 7 and the filter screen, then flows into the sampling bottle 1, after sampling is completed, the sealing cover 8 is closed, and the sampling device is taken out from the sampling position.

[0030] The above only describes some exemplary embodiments of the utility model through the way of illustration, without doubt, for ordinary skilled person in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature, and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A chemical analysis sampling device comprising a sampling bottle (1), a sampling tube (2) and a sampling head (3), characterized in that, One side of the sampling bottle (1) is fixedly provided with a sampling tube (2), a sealing ring (4) is arranged between the sampling tube (2) and the sampling bottle (1), a bottle plug (5) is arranged at the top of the sampling bottle (1), a sealing washer (6) is fixedly arranged between the bottle plug (5) and the sampling bottle (1), a sampling head (3) is arranged at the other end of the sampling tube (2), a sampling port (7) is arranged at the end of the sampling head (3), the surface of the sampling port (7) is provided with threads, a sealing cover (8) is threadedly connected to one end of the sampling port (7), an extension tube (9) is arranged on the surface of the sampling tube (2), and a pumping pump (15) is fixedly arranged on the surface of the sampling tube (2).

2. The chemical analysis detection sampling device according to claim 1, wherein, The surface of the sampling tube (2) is provided with a fixed frame (10), one side of the sampling tube (2) is fixedly connected with the fixed frame (10), and the other side of the sampling tube (2) is rotatably connected with the fixed frame (10).

3. The chemical analysis detection sampling device of claim 1, wherein, The inside of the sampling head (3) is fixedly provided with a filter screen (11), and the filter screen (11) is arranged on one side close to the sampling port (7).

4. The chemical analysis detection sampling apparatus according to claim 1, wherein The sampling tube (2) and the sampling bottle (1) are respectively a stainless steel tube and a stainless steel bottle.

5. The chemical analysis detection sampling device of claim 1, wherein, The surface of the bottle plug (5) is provided with a vent hole (12), the inside of the vent hole (12) is fixedly provided with a vent pipe (13), and the surface of the vent pipe (13) is fixedly provided with a one-way valve (14).

6. The chemical analysis detection sampling apparatus according to claim 1, wherein The sealing ring (4) and the sealing cover (8) are respectively a rubber sealing ring (4) and a rubber sealing cover (8).