Liquid sampling device for chemical analysis and detection

Abstract

The utility model relates to the technical field of chemical engineering sampling, and discloses a liquid sampling device for chemical engineering analysis and detection, which comprises a shell, a plurality of windows are uniformly arranged on one side of the shell, placing grooves are correspondingly arranged below the windows, the upper part of the shell is connected with a sealing plate in a sliding manner, and the sealing plate can be used for sealing the placing grooves. The bottom of the containing groove communicates with a vent hole, the bottom of the vent hole communicates with a vent pipe penetrating through one end of the shell, and the end of the vent pipe communicates with an air bag used for air suction. Mark numbers and depth scales are correspondingly marked on the windows; according to the depth of the sampled liquid and the sampling layers, the shell extends into the chemical liquid to be analyzed, then the sealing plate is pulled according to the number of the sampling layers, the corresponding placing grooves are opened, and the air bag is held tightly, so that the device is simple and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical sampling, in particular to a liquid sampling device used for chemical analysis and detection. Background Art

[0002] Chemical industry, that is, chemical industry, all uses chemical methods to change the composition or structure of substances, or synthesize new substances, all belong to chemical production technology, that is, chemical process, and the resulting products are called chemicals or chemical products. In modern life, chemical products are almost indispensable at any time and anywhere, from material life such as clothing, food, housing, transportation to spiritual life such as culture, art, and entertainment.

[0003] A liquid sampling device for chemical analysis and detection with authorization announcement number CN 220437870 U includes a protective shell, a first movable groove is provided on its outer wall, and a second movable groove is provided on the other side of its outer wall; a pipette shell is arranged in the inner cavity of the protective shell and can move up and down relative to the protective shell, and a piston rod is arranged in its inner cavity; a position adjustment component is arranged on the protective shell and can drive the pipette shell to move up and down along the inner cavity of the protective shell. The piston lifting mechanism is arranged on the protective shell, including a connecting rod with both ends rotatably connected to the inner wall of the protective shell, a winding wheel fixed on the outer wall of the connecting rod, a connecting wire with one end wound on the winding wheel and the other end fixed on the piston rod, and a driving component that can drive the connecting rod to rotate. When the above patent is in use, the structure is complex and easy to be damaged. Utility Model Content

[0004] In view of the problems in the background technology of the above-mentioned existing liquid sampling device for chemical analysis and detection, the present utility model is proposed.

[0005] Therefore, in order to solve the above technical problems, the utility model provides the following technical solutions: a liquid sampling device for chemical analysis and detection, comprising a shell, a plurality of windows are evenly opened on one side of the shell, a placement groove is correspondingly provided under the window, a sealing plate that can be used to seal the placement groove is slidably connected to the upper part of the shell, a vent hole is connected to the bottom of the placement groove, a vent pipe passing through one end of the shell is connected to the bottom of the vent pipe, and an air bag for suction is connected to the end of the vent pipe.

[0006] As a preferred solution of the liquid sampling device for chemical analysis and detection described in the utility model, wherein: the window is marked with corresponding numbers and depth scales.

[0007] As a preferred solution of the liquid sampling device for chemical analysis and detection described in the utility model, the outer side of the sealing plate is in an arc shape adapted to the outer side of the placement groove, and a sealing ring is provided at the connection between the outer side of the sealing plate and the inner side of the shell.

[0008] As a preferred solution of the liquid sampling device for chemical analysis and detection described in the utility model, the outer side of the sealing ring is coated with an anti-corrosion layer.

[0009] As a preferred solution of the liquid sampling device for chemical analysis and detection described in the utility model, a handle is fixed to the end of the sealing plate, and anti-slip grooves are provided on the outer side of the handle.

[0010] As a preferred solution of the liquid sampling device for chemical analysis and detection described in the utility model, a one-way valve is installed at the bottom of the airbag.

[0011] Beneficial effects of the utility model:

[0012] According to the depth and sampling level of the sampling liquid, the shell is extended into the chemical liquid to be analyzed, and then according to the number of sampling levels, the sealing plate is pulled to open the corresponding placement slot and hold the air bag tightly. It is simple and convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor:

[0014] Figure 1 This is a schematic diagram of the overall structure of a liquid sampling device for chemical analysis and detection according to the utility model;

[0015] Figure 2 This is a structural schematic diagram of a sealing plate returning to its original position in a liquid sampling device for chemical analysis and detection according to the utility model;

[0016] Figure 3 The utility model is a schematic structural diagram of a side view of a liquid sampling device for chemical analysis and detection.

[0017] In the figure: a housing 100, a window 200, a placement groove 300, a sealing plate 400, a vent hole 500, a vent pipe 600, an air bag 700, and a handle 800. DETAILED DESCRIPTION

[0018] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0019] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0020] Please refer to Figure 1-3 The utility model provides a technical solution: a liquid sampling device for chemical analysis and detection, including a shell 100, the shell 100 is made of stainless steel, a plurality of windows 200 are evenly opened on one side of the shell 100, the windows 200 are arc-shaped, and a placement groove 300 is correspondingly arranged below the window 200, and a sealing plate 400 that can be used to seal the placement groove 300 is slidably connected to the upper part of the shell 100, and a vent hole 500 is connected to the bottom of the placement groove 300, and an air intake check valve is arranged on the vent hole 500, and a vent pipe 600 passing through one end of the shell 100 is connected to the bottom of the vent hole 500, and an air bag 700 for suction is connected to the end of the vent pipe 600 for air intake.

[0021] When in use, the shell 100 is inserted into the chemical liquid to be analyzed according to the depth and sampling level of the sampling liquid, and then according to the number of sampling levels, the sealing plate 400 is pulled to open the corresponding placement groove 300, and the airbag 700 is held tightly to discharge the gas inside the airbag 700, and then when inhaled, the liquid enters the opened placement groove 300. It is simple and convenient to use.

[0022] Furthermore, the window 200 is correspondingly marked with numbers and depth scales. The use of numbers can facilitate viewing of different depth levels, and the use of depth scales can facilitate viewing of depths.

[0023] Furthermore, the outer side of the sealing plate 400 is in an arc shape adapted to the outer side of the placement groove 300 , and a sealing ring is provided at the connection between the outer side of the sealing plate 400 and the inner side of the housing 100 , so as to facilitate the use and sealing of the sealing plate 400 .

[0024] Furthermore, an anti-corrosion layer is coated on the outer side of the sealing ring to prevent the sealing ring from being corroded and affecting normal use.

[0025] Furthermore, a handle 800 is fixed to the end of the sealing plate 400 to facilitate pulling of the sealing plate 400 , and anti-slip grooves are provided on the outer side of the handle 800 to prevent the handle 800 from sliding when in use.

[0026] Furthermore, a one-way valve is installed at the bottom of the airbag 700 to prevent air from escaping from the bottom of the airbag 700.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A liquid sampling device for chemical analysis and detection, characterized in that: The invention comprises a shell (100), a plurality of windows (200) are evenly provided on one side of the shell (100), a placement groove (300) is correspondingly provided below the window (200), a sealing plate (400) is slidably connected to the upper part of the shell (100) and can be used to seal the placement groove (300), a vent hole (500) is connected to the bottom of the placement groove (300), a vent pipe (600) passing through one end of the shell (100) is connected to the bottom of the vent hole (500), and the end of the vent pipe (600) is connected to an air bag (700) for inhalation.

2. The liquid sampling device for chemical analysis and detection according to claim 1, characterized in that: The window (200) is marked with corresponding numbers and depth scales.

3. The liquid sampling device for chemical analysis and detection according to claim 1, characterized in that: The outer side of the sealing plate (400) is in an arc shape that is adapted to the outer side of the placement groove (300), and a sealing ring is provided at the connection between the outer side of the sealing plate (400) and the inner side of the housing (100).

4. The liquid sampling device for chemical analysis and detection according to claim 3 is characterized in that: The outer side of the sealing ring is coated with an anti-corrosion layer.

5. The liquid sampling device for chemical analysis and detection according to claim 1 or 3, characterized in that: A handle (800) is fixed to the end of the sealing plate (400), and anti-slip grooves are provided on the outer side of the handle (800).

6. The liquid sampling device for chemical analysis and detection according to claim 1, characterized in that: A one-way valve is installed at the bottom of the airbag (700).

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