Micro moisture meter

Abstract

The utility model relates to the field of moisture measurement, in particular to a trace moisture meter, a first positioning block and a second positioning block are arranged above a placing table and are symmetrical to an anode chamber glass bottle, the first positioning block is fixed above the placing table, a first sliding groove is formed in the inner side of the first positioning block, and a second sliding groove is formed in the outer side of the second positioning block. First limiting blocks located on the two sides of the anode chamber glass bottle are arranged at the two ends of the first positioning block, second limiting blocks located on the two sides of the anode chamber glass bottle are arranged at the two ends of the second positioning block, then the anode chamber glass bottle is placed on the placing table, and after the pull rod is loosened, the spring rebounds; according to the clamping device, the first positioning block and the second positioning block can clamp the anode chamber glass bottle on the placing table, at the moment, the anode chamber glass bottle can be limited through the two first limiting blocks and the two second limiting blocks, the anode chamber glass bottle can be conveniently assembled, and the placing stability of the anode chamber glass bottle can be improved.

Description

Technical Field

[0001] The utility model relates to the field of moisture determination, in particular to a trace moisture determination instrument. Background Art

[0002] As we all know, the current trace moisture meter, also known as the Karl Fischer moisture meter, includes two types: Karl Fischer titration and Karl Fischer coulometric method. Among them, the Karl Fischer titration moisture meter is mainly used to determine samples with high water content, while the Karl Fischer coulometric method has a wider range of applications, especially for the determination of samples with low water content. It is widely used in the fields of electricity, petroleum, chemical pharmaceuticals, food and solar panel cutting fluid.

[0003] The existing Chinese patent document with the announcement number CN208350709U discloses a fixing device for a trace moisture meter, which relates to the field of trace moisture meter, and includes a limit clamp ring for limiting the displacement of the anode chamber and a limit base for use with the limit clamp ring, the limit clamp ring includes a clamp ring body sleeved outside the anode chamber and a fixing seat for fixing the clamp ring body, and the clamp ring body and the fixing seat are detachably connected and fixed; the limit base is horizontally fixed on the main machine, the magnetic stirrer and the anode chamber are respectively located on the upper and lower sides of the limit base, and a limit groove is provided on the limit base, and the bottom end of the anode chamber is embedded in the limit groove. The limit clamp ring cooperates with the limit base to achieve the purpose of stabilizing the glass bottle of the anode chamber, thereby achieving the purpose of improving the use stability of the trace moisture meter to obtain accurate water content detection values.

[0004] The above-mentioned prior art solution has the following defects: in actual use, in order to improve the stability of the glass bottle body of the anode chamber, the clamp body will be tightly fitted on the glass bottle body of the anode chamber, but this will cause a large friction force when the glass bottle body of the anode chamber and the inner wall of the clamp body contact each other, making it difficult to place the anode chamber into the clamp body. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a trace moisture measuring instrument.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a trace moisture meter, comprising a meter body and an anode chamber glass bottle, a placing table is provided on one side of the meter body, the anode chamber glass bottle is located at the upper end of the placing table, a first positioning block and a second positioning block are symmetrically arranged on the anode chamber glass bottle above the placing table, the first positioning block is fixed above the placing table, a first slide groove is provided on the inner side of the first positioning block, first limiting blocks located on both sides of the anode chamber glass bottle are provided at both ends of the first positioning block, a first sliding block located inside the first slide groove is provided on the first limiting block, a first rotating shaft penetrating the first slide groove is provided on the first positioning block, and the first rotating shaft Two first screws penetrating the first sliding block are symmetrically arranged on the top, and the two first screws are of reverse threaded structure. A fixing plate is fixedly arranged on one side of the placing table, a pull rod penetrating the fixing plate is arranged on the second positioning block, a spring penetrated by the pull rod is arranged between the second positioning block and the fixing plate, a second slide groove is arranged on the inner side of the second positioning block, second limit blocks located on both sides of the glass bottle in the anode chamber are arranged at both ends of the second positioning block, a second sliding block located inside the second slide groove is arranged on the second limit block, a second rotating shaft penetrating the second slide groove is arranged on the second positioning block, and two second screws penetrating the second sliding block are symmetrically arranged on the second rotating shaft, and the two second screws are of reverse threaded structure.

[0009] In order to facilitate pulling the pull rod, the utility model has the following improvements: a driving assembly for pulling the pull rod is provided in front of the placement table.

[0010] Furthermore, the utility model has the following improvements: the driving assembly includes a motor and a winding shaft, the motor is fixed above the placement table, the winding shaft is fixed to the output end of the motor, and the winding shaft is connected to the pull rod by a pull rope.

[0011] In order to improve the stability of the second positioning block when in use, the present invention is improved in that guide rods penetrating the fixing plate are provided at both ends of the second positioning block.

[0012] Furthermore, the utility model has the following improvements: the motor is a servo motor.

[0013] Furthermore, the present invention is improved in that a knob is provided at one end of the first rotating shaft and the second rotating shaft.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a trace moisture meter, which has the following beneficial effects:

[0016] The trace moisture meter can make the second positioning block compress the spring by pulling the pull rod, and then place the anode chamber glass bottle on the placement table. After the pull rod is released, the spring will rebound, and the first positioning block and the second positioning block can clamp the anode chamber glass bottle on the placement table. At this time, the anode chamber glass bottle can be limited by the two first limiting blocks and the two second limiting blocks, so that the anode chamber glass bottle is easy to assemble and the stability of the anode chamber glass bottle when placed can be improved.

[0017] Rotating the first rotating shaft and the second rotating shaft can make the two first limit blocks move synchronously on the first positioning block, and can make the two second limit blocks move synchronously on the second positioning block, so that this structure can conveniently clamp anode chamber glass bottles of different sizes, and has low limitations during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0020] Figure 3 For this utility model Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0021] Figure 4 It is a structural schematic diagram of the first rotating shaft in the utility model;

[0022] In the figure: 1. measuring instrument body; 2. placing table; 3. anode chamber glass bottle; 4. first positioning block; 5. first limit block; 6. first slide groove; 7. first rotating shaft; 8. second positioning block; 9. fixing plate; 10. pull rod; 11. spring; 12. guide rod; 13. winding shaft; 14. motor; 15. second limit block; 16. second rotating shaft. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4, a trace moisture meter, comprising a meter body 1 and an anode chamber glass bottle 3, a placing table 2 is provided on one side of the meter body 1, the anode chamber glass bottle 3 is located at the upper end of the placing table 2, a first positioning block 4 and a second positioning block 8 are symmetrically arranged on the anode chamber glass bottle 3 above the placing table 2, the first positioning block 4 is fixed above the placing table 2, a first slide groove 6 is provided on the inner side of the first positioning block 4, first limiting blocks 5 located on both sides of the anode chamber glass bottle 3 are provided at both ends of the first positioning block 4, a first slider located inside the first slide groove 6 is provided on the first limiting block 5, a first rotating shaft 7 penetrating the first slide groove 6 is provided on the first positioning block 4, two first screws penetrating the first slider are symmetrically arranged on the first rotating shaft 7, and the two first screws are of reverse thread structure, a fixing plate 9 is fixedly arranged on one side of the placing table 2, a pull rod 10 penetrating the fixing plate 9 is provided on the second positioning block 8, and a pull rod 10 penetrating the fixing plate 9 is provided between the second positioning block 8 and the fixing plate 9 The spring 11 penetrated by the pull rod 10, the inner side of the second positioning block 8 is provided with a second slide groove, and the two ends of the second positioning block 8 are provided with second limiting blocks 15 located on both sides of the anode chamber glass bottle 3, and the second limiting block 15 is provided with a second sliding block located inside the second slide groove, and the second positioning block 8 is provided with a second rotating shaft 16 penetrating the second slide groove, and two second screws penetrating the second sliding block are symmetrically arranged on the second rotating shaft 16, and the two second screws are reverse thread structures. Pulling the pull rod 10 can make the second positioning block 8 compress the spring 11, and then place the anode chamber glass bottle 3 on the placement table 2. After releasing the pull rod 10, the spring 11 will rebound, so that the first positioning block 4 and the second positioning block 8 can clamp the anode chamber glass bottle 3 on the placement table 2. At this time, the anode chamber glass bottle 3 can be limited by the two first limiting blocks 5 and the two second limiting blocks 15, so that the anode chamber glass bottle 3 can be easily assembled and the stability of the anode chamber glass bottle 3 when placed can be improved;

[0025] By rotating the first rotating shaft 7 and the second rotating shaft 16, the two first screws can be rotated, and the two ends of the first rotating shaft 7 can be rotatably connected to the first positioning block 4, and the two ends of the second rotating shaft 16 can be rotated with the second positioning block 8, so the positions of the first rotating shaft 7 and the second rotating shaft 16 are fixed. When the first rotating shaft 7 and the second rotating shaft 16 are rotating, the two first limit blocks 5 can be synchronously moved on the first positioning block 4, and the two second limit blocks 15 can be synchronously moved on the second positioning block 8, so that the present structure can conveniently clamp the anode chamber glass bottles 3 of different sizes, and has low limitations during use.

[0026] When the pull rod 10 is pulled, labor will be wasted. A driving component for pulling the pull rod 10 is provided in front of the placement table 2. The driving component includes a motor 14 and a winding shaft 13. The motor 14 is fixed above the placement table 2. The winding shaft 13 is fixed to the output end of the motor 14. The winding shaft 13 is connected to the pull rod 10 through a pull rope. Starting the motor 14 can make the winding shaft 13 wind up the pull rope, thereby pulling the pull rod 10, which can save labor.

[0027] In this structure, guide rods 12 penetrating the fixed plate 9 are provided at both ends of the second positioning block 8. The guide rods 12 can provide a guiding structure between the second positioning block 8 and the fixed plate 9, thereby improving the stability of the second positioning block 8 when in use.

[0028] Furthermore, the motor 14 can be a servo motor, and one end of the first rotating shaft 7 and the second rotating shaft 16 are both provided with a knob, which can facilitate the operation of the first rotating shaft 7 and the second rotating shaft 16.

[0029] In the description of this article, it should be noted that 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", "comprises" or any other variations 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.

[0030] 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 trace moisture meter, comprising a meter body (1) and an anode chamber glass bottle (3), wherein a placement table (2) is provided on one side of the meter body (1), and the anode chamber glass bottle (3) is located at the upper end of the placement table (2), characterized in that: A first positioning block (4) and a second positioning block (8) are symmetrically arranged above the placement platform (2) and the anode chamber glass bottle (3). The first positioning block (4) is fixed above the placement platform (2). A first sliding groove (6) is arranged on the inner side of the first positioning block (4). First limiting blocks (5) located on both sides of the anode chamber glass bottle (3) are arranged at both ends of the first positioning block (4). A first sliding block located inside the first sliding groove (6) is arranged on the first limiting block (5). A first rotating shaft (7) penetrating the first sliding groove (6) is arranged on the first positioning block (4). Two first screws penetrating the first sliding block are symmetrically arranged on the first rotating shaft (7). The two first screws are of reverse thread structure. A fixed plate (9) is fixedly arranged on one side, a pull rod (10) penetrating the fixed plate (9) is arranged on the second positioning block (8), a spring (11) penetrating the pull rod (10) is arranged between the second positioning block (8) and the fixed plate (9), a second slide groove is arranged on the inner side of the second positioning block (8), second limit blocks (15) located on both sides of the anode chamber glass bottle (3) are arranged at both ends of the second positioning block (8), a second sliding block located inside the second slide groove is arranged on the second limit block (15), a second rotating shaft (16) penetrating the second slide groove is arranged on the second positioning block (8), two second screws penetrating the second sliding block are symmetrically arranged on the second rotating shaft (16), and the two second screws are of reverse thread structure.

2. A trace moisture meter according to claim 1, characterized in that: A driving assembly for pulling the pull rod (10) is provided in front of the placement platform (2).

3. A trace moisture meter according to claim 2, characterized in that: The driving assembly comprises a motor (14) and a reel (13); the motor (14) is fixed above the placement table (2); the reel (13) is fixed at the output end of the motor (14); and the reel (13) is connected to the pull rod (10) via a pull rope.

4. A trace moisture meter according to claim 3, characterized in that: Both ends of the second positioning block (8) are provided with guide rods (12) penetrating the fixing plate (9).

5. A trace moisture meter according to claim 4, characterized in that: The motor (14) is a servo motor.

6. A trace moisture meter according to claim 5, characterized in that: One end of each of the first rotating shaft (7) and the second rotating shaft (16) is provided with a knob.

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