Sampling tube structure based on chloride ion tester

Abstract

The utility model discloses a sampling tube structure based on a chloride ion tester, which relates to the technical field of chloride ion detection sampling and comprises a sleeve, the inner side of the sleeve is of a cavity structure, the lower end of the sleeve is connected with a conical sleeve, the inner side of the conical sleeve is provided with a suction hole, and the lower end of the suction hole is connected with a sampling port. A blocking block is installed between the sampling opening and the suction hole, a plurality of liquid passing holes are formed in the blocking block at equal intervals, and a rotating block is fixedly connected to the upper end of the sleeve; the rotating block is connected with the blocking block through the connecting rod, so that the blocking block can be rotated by rotating the rotating block, pollution or other foreign matters are prevented from entering, the high efficiency of chloride ion measurement is improved, the function of preventing pollution in the sampling tube can be further realized, and the clamping block is matched with the telescopic spring, so that the sampling tube is convenient to use. The sampling tube is convenient to use for sampling a sample, so that the sampling stability of the sample is improved, the function of sampling the sample can be realized, and finally, the problem that foreign matters are easy to enter the tube when the sampling tube for the chloride ion tester is used for sampling is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of chloride ion detection sampling, in particular to a sampling tube structure based on a chloride ion measuring instrument. Background Art

[0002] Refers to a device used to collect chloride ions in water samples and transport them to the chloride ion analyzer for analysis. In the early stages, the sampling tube may be a simple glass tube or plastic tube used to manually collect water samples. This sampling tube has a simple structure, but it is inconvenient to use and has low sampling accuracy. With the development of technology, the design of the sampling tube has gradually improved, and some special materials or coatings have been introduced to enhance the adsorption capacity of chloride ions and reduce interference with other ions. However, the existing sampling tube structure based on the chloride ion analyzer is prone to problems in the determination of chloride ions due to long-term placement, contamination in the tube, or other foreign matter entering the tube. Therefore, the above technical problems need to be solved. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a sampling tube structure based on a chloride ion measuring instrument.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sampling tube structure based on a chloride ion meter, including a sleeve, the inner side of the sleeve is a cavity structure, and the lower end of the sleeve is connected to a conical sleeve, the inner side of the conical sleeve is provided with a suction hole, and the lower end of the suction hole is connected to a sampling port, a blocking block is installed between the sampling port and the suction hole, a plurality of liquid holes are equidistantly opened on the blocking block, a rotating block is fixedly connected to the upper end of the sleeve, a sealing strip is installed between the rotating block and the sleeve, and a limiting mechanism is installed on the inner wall of the rotating block.

[0005] Preferably, four connecting holes are equidistantly provided in a ring shape in the middle of the rotating block, and the lower end of the rotating block is connected to a blocking mechanism.

[0006] Preferably, the blocking mechanism includes a rotating block, a blocking block and a connecting rod. The outer side of the rotating block is provided with anti-slip teeth in a ring shape, and a connecting rod is fixedly connected to the middle of the lower end of the rotating block. The other end of the connecting rod is fixedly connected to the upper end of the blocking block. The blocking block is provided with a liquid hole, and the liquid hole is staggered with the suction hole on the conical sleeve. A sampling mechanism is sleeved on the outer side of the blocking mechanism.

[0007] Preferably, the sampling mechanism includes a suction pull block, a connecting block and a rubber plug. The suction pull block is installed on the upper end of the rotating block, and the connecting block is fixedly connected to the lower end of the suction pull block. The connecting block is four rectangular blocks surrounding the connecting rod, and the connecting block is fixedly connected to the upper end of the rubber plug through four connecting holes opened on the rotating block. A plurality of grooves are equidistantly opened on the outer side of the rubber plug so that the rubber plug fits tightly against the inner wall of the sleeve.

[0008] Preferably, the limiting mechanism comprises a fixed block, a telescopic spring, a clamping block and a limiting block, the fixed block is fixedly connected to the inner wall of the sleeve, and a U-shaped groove is provided on one side of the fixed block, a telescopic spring is installed inside the U-shaped groove, and the other end of the telescopic spring is fixedly connected to the clamping block.

[0009] Preferably, chamfers are provided on both sides of one end of the clamping block, and the clamping block is clamped with the limiting block, the limiting block is fixed to the inner wall of the rotating block, and chamfers are provided on both sides of the opposite surfaces of the limiting block and the clamping block.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: in the utility model, the rotating block is connected to the barrier block by a connecting rod, so that the barrier block can be rotated by rotating the rotating block to prevent pollution or other foreign matter from entering, thereby improving the efficiency of chloride ion determination, and thus realizing the anti-pollution function inside the sampling tube, and then the clamping block and the telescopic spring cooperate with each other to facilitate the use of the sampling tube to sample the sample, thereby improving the stability of sample sampling, and thus realizing the sample sampling function, and finally solving the problem of foreign matter easily entering the tube when the chloride ion analyzer uses the sampling tube for sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0012] Figure 1 This is a schematic diagram of the overall three-dimensional structure proposed by the utility model;

[0013] Figure 2 It is a side cross-sectional schematic diagram proposed by the utility model;

[0014] Figure 3 This is a three-dimensional schematic diagram of the barrier mechanism proposed by the utility model;

[0015] Figure 4 It is a three-dimensional schematic diagram of the sampling mechanism proposed by the utility model;

[0016] Figure 5 This is a schematic diagram of the cross-sectional structure of the limiting mechanism proposed in the utility model.

[0017] Serial numbers in the figure: 1, sleeve; 2, conical sleeve; 3, sampling port; 4, rotating block; 5, suction pull block; 6, barrier block; 7, connecting rod; 9, connecting block; 10, rubber plug; 11, fixing block; 12, telescopic spring; 13, clamping block; 14, limit block. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Example: See Figure 1-5 A sampling tube structure based on a chloride ion measuring instrument in the utility model comprises a sleeve 1, the inner side of the sleeve 1 is a cavity structure, and a conical sleeve 2 is connected to the lower end of the sleeve 1, a suction hole is provided on the inner side of the conical sleeve 2, and a sampling port 3 is connected to the lower end of the suction hole, a blocking block 6 is installed between the sampling port 3 and the suction hole, and a plurality of liquid holes are equidistantly provided on the blocking block 6, a rotating block 4 is fixedly connected to the upper end of the sleeve 1, a sealing strip is provided between the rotating block 4 and the sleeve 1, and a limiting mechanism is installed on the inner wall of the rotating block 4; four connecting holes are equidistantly provided in an annular manner in the middle part of the rotating block 4, and the lower end of the rotating block 4 is connected to a blocking mechanism, and the sampling liquid is absorbed and stored in the inner side of the sleeve 1 through the inner cavity of the sleeve 1 and the suction tube on the lower end conical sleeve 2, so as to facilitate the chloride ion determination.

[0020] In the utility model, the blocking mechanism includes a rotating block 4, a blocking block 6 and a connecting rod 7. The outer side of the rotating block 4 is provided with anti-slip teeth in an annular shape, and the middle part of the lower end of the rotating block 4 is fixedly connected to the connecting rod 7. The other end of the connecting rod 7 is fixedly connected to the upper end of the blocking block 6. The blocking block 6 is provided with a liquid hole, and the liquid hole is staggered with the suction hole on the conical sleeve 2. The outer side of the blocking mechanism is sleeved with a sampling mechanism, and the liquid hole and the suction hole of the conical sleeve 2 are staggered with each other, so that it is convenient to block the suction hole through the rotating blocking 6. One-step extraction; the extraction pull block 5 is installed on the upper end of the rotating block 4, and the lower end of the extraction pull block 5 is fixedly connected to a connecting block 9, the connecting block 9 is four rectangular blocks surrounding the connecting rod 7, and the connecting block 9 passes through the four connecting holes opened on the rotating block 4 and is fixed to the upper end of the rubber plug 10. A plurality of grooves are equidistantly opened on the outer side of the rubber plug 10, so that the rubber plug 10 fits tightly with the inner wall of the sleeve 1, and through the rubber plug 10 and the extraction pull block 5 on the connecting block 9, it is convenient to pull the extraction pull block 5 upward to suck the sampling liquid into the tube.

[0021] In the utility model, the limiting mechanism includes a fixed block 11, a telescopic spring 12, a clamping block 13 and a limiting block 14. The fixed block 11 is fixedly connected to the inner wall of the sleeve 1, and a U-shaped groove is provided on one side of the fixed block 11. A telescopic spring 12 is installed on the inner side of the U-shaped groove. The other end of the telescopic spring 12 is fixedly connected to the clamping block 13. Chamfers are provided on both sides of one end of the clamping block 13, and the clamping block 13 is clamped with the limiting block 14. The limiting block 14 is fixedly connected to the inner wall of the rotating block 4, and chamfers are provided on both sides of the opposite surfaces of the limiting block 14 and the clamping block 13. Through the clamping block 13 and the telescopic spring 12, the clamping block 13 and the limiting block 14 are clamped and fixed, which can prevent the blocking block 6 from rotating automatically.

[0022] Working principle: When the utility model is used, first, the sampling liquid is stored in the inner cavity through the sleeve 1 and the conical sleeve 2 at the lower end, and then the sampling liquid is sucked into the sleeve 1 through the sampling port 3 at the lower end of the conical sleeve 2. Then, the barrier block 6 between the sampling port 3 and the conical sleeve 2 can prevent pollutants from entering the tube and affecting the test effect. Then, the barrier block 6 is connected to the rotating block 4 through the connecting rod 7, so that the anti-slip teeth on the outside of the rotating block 4 are rotated to achieve the absorption or closing state, and then the absorption pull block 5 and the rubber plug 10 are connected through the connecting block 9, so that the rubber plug 10 can be moved upward for absorption by pulling the absorption pull block 5, so that the sampling liquid is absorbed into the sleeve 1, and then the fixed block 11 and the telescopic spring 12 at the lower end of the rotating block 4 are used to make the clamping block 13 adhere to the inner side of the limit block 14, so that the sampling tube can achieve the sampling and closing functions.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sampling tube structure based on a chloride ion measuring instrument, comprising a sleeve (1), characterized in that: The inner side of the sleeve (1) is a hollow structure, and the lower end of the sleeve (1) is connected to a conical sleeve (2), the inner side of the conical sleeve (2) is provided with a suction hole, and the lower end of the suction hole is connected to a sampling port (3), a blocking block (6) is installed between the sampling port (3) and the suction hole, and a plurality of liquid holes are equidistantly provided on the blocking block (6), the upper end of the sleeve (1) is fixedly connected to a rotating block (4), a sealing strip is installed between the rotating block (4) and the sleeve (1), and a limiting mechanism is installed on the inner wall of the rotating block (4).

2. A sampling tube structure based on a chloride ion measuring instrument according to claim 1, characterized in that: The middle part of the rotating block (4) is provided with four connection holes in an annular manner and at equal intervals, and the lower end of the rotating block (4) is connected to a blocking mechanism.

3. A sampling tube structure based on a chloride ion measuring instrument according to claim 2, characterized in that: The blocking mechanism comprises a rotating block (4), a blocking block (6) and a connecting rod (7); the rotating block (4) is provided with anti-slip teeth in an annular shape on the outer side; the connecting rod (7) is fixedly connected to the middle of the lower end of the rotating block (4); the other end of the connecting rod (7) is fixedly connected to the upper end of the blocking block (6); the blocking block (6) is provided with a liquid passing hole, the liquid passing hole is staggered with the suction hole on the conical sleeve (2); and the outer side of the blocking mechanism is sleeved with a sampling mechanism.

4. A sampling tube structure based on a chloride ion measuring instrument according to claim 3, characterized in that: The sampling mechanism comprises an extraction pull block (5), a connecting block (9) and a rubber plug (10); the extraction pull block (5) is mounted on the upper end of the rotating block (4); the lower end of the extraction pull block (5) is fixedly connected to the connecting block (9); the connecting block (9) is a rectangular block with four connecting rods (7) surrounding the connecting rod (7); the connecting block (9) passes through four connecting holes provided on the rotating block (4) and is fixedly connected to the upper end of the rubber plug (10); a plurality of grooves are provided on the outer side of the rubber plug (10) at equal intervals, so that the rubber plug (10) is tightly fitted to the inner wall of the sleeve (1).

5. The sampling tube structure based on the chloride ion measuring instrument according to claim 1, characterized in that: The limiting mechanism comprises a fixed block (11), a telescopic spring (12), a clamping block (13) and a limiting block (14); the fixed block (11) is fixedly connected to the inner wall of the sleeve (1), and a U-shaped groove is provided on one side of the fixed block (11); a telescopic spring (12) is installed inside the U-shaped groove; and the other end of the telescopic spring (12) is fixedly connected to the clamping block (13).

6. A sampling tube structure based on a chloride ion measuring instrument according to claim 5, characterized in that: Chamfers are provided on both sides of one end of the clamping block (13), and the clamping block (13) is clamped with a limit block (14). The limit block (14) is fixed to the inner wall of the rotating block (4), and chamfers are provided on both sides of the opposite surfaces of the limit block (14) and the clamping block (13).

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