Sampling device for chemical laboratory analysis

Abstract

The utility model discloses a sampling device for chemical test analysis, which relates to the technical field of chemical test and comprises a chemical tank and a test tube cleaning mechanism. Test tube cleaning mechanisms are arranged on the outer wall and the top of the chemical tank, and through the arrangement of the test tube cleaning mechanisms, the effects of timely cleaning the tested test tubes to ensure the purity of samples sampled next time and improving the experiment precision are achieved; the driving disc rotates the cylindrical spray head to a proper position, then the sampling mechanism lifts and moves the sampling pipe to a proper position, the cylindrical spray head is inserted into the sampling pipe, and then the water pump is started to pump cleaning liquid into the cylindrical spray head from the water storage tank through the connecting pipe; according to the test tube cleaning device, the inside of a test tube is primarily washed and sprayed with cleaning liquid, then cleaning cotton is used for cleaning, and the test tube can be cleaned in advance before sampling every time through the function.

Description

Technical Field

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

[0002] In the chemical industry, laboratory sampling devices are equipment used to obtain samples from chemical processes for analysis. The design of these devices depends on the type of sample required, the analysis method, and the specific requirements of the experiment.

[0003] The existing sampling device does not have the function of cleaning the test tube after sampling and testing. As a result, when resampling, the previously sampled items will be mixed with the current sampled items, resulting in inaccurate analysis results. Moreover, if the test tube is not clean before sampling, it will also affect the purity of the sample and cause distortion of the analysis results. Therefore, improvements are needed. Utility Model Content

[0004] The utility model aims to provide a sampling device for chemical testing and analysis, characterized in that it comprises a chemical tank and a test tube cleaning mechanism, characterized in that the test tube cleaning mechanism is arranged on the outer wall and the top of the chemical tank, and the sampling mechanism is arranged on the top of the chemical tank;

[0005] The test tube cleaning mechanism comprises a nested shell fixedly connected to the outer wall of the chemical tank and an outer shell fixedly connected to the top thereof, and a motor is fixedly connected to the inner wall of the outer shell.

[0006] Preferably, the output shaft of the motor is fixedly connected to a rotating shaft via a coupling, and the top of the rotating shaft is fixedly connected to a transmission rod and a rotating disk fixedly connected to the outer wall of the transmission rod.

[0007] Preferably, a connecting rod and an electric turntable fixed to the bottom of the connecting rod are fixedly connected to the bottom of the turntable, and cleaning cotton is fixedly connected to the bottom of the electric turntable.

[0008] Preferably, the top of the turntable is fixedly connected to a water tank and a water injection hole opened on the top of the water tank, a connecting pipe is penetrated through the outer wall of one side of the water tank, a water pump is penetrated through the outer wall of the connecting pipe, and a columnar nozzle is penetrated through the other end of the connecting pipe.

[0009] Preferably, the sampling mechanism comprises a support rod, a first cylinder is fixedly connected to an outer wall of one side of the support rod, a second cylinder is fixedly connected to the bottom of the first cylinder. Preferably, a connecting sleeve and a test tube fixedly connected to the inside of the connecting sleeve are fixedly connected to the outer wall of the second cylinder.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The utility model achieves the effect of timely cleaning the test tube after inspection to ensure the purity of the next sampling sample and improve the experimental accuracy through the setting of the test tube cleaning mechanism. First, the cylindrical nozzle is rotated by the motor driving the rotating shaft and the transmission rod, so that the driving disk rotates the cylindrical nozzle to a suitable position, and then the sampling tube is moved to a suitable position by the sampling mechanism, so that the cylindrical nozzle is inserted into the sampling tube, and then the water pump is started to draw the cleaning liquid from the water storage tank into the cylindrical nozzle through the connecting pipe, so that it performs preliminary spraying and spraying of the cleaning liquid on the inside of the test tube, and then the cleaning cotton is rotated to a suitable position as above, and inserted into the sampling tube, and then the electric turntable is used to drive the cleaning cotton to rotate in the test tube, and then the above cycle operation can achieve the effect of cleaning the sampling tube. Through the setting of this function, the test tube can be cleaned in advance before each sampling work, which can effectively reduce the risk of contamination or cross contamination inside the test tube, and effectively ensure the purity and reliability of the collected samples. At the same time, through the setting of the nested shell, it can be installed on any chemical tank and can be moved more flexibly according to needs.

[0012] 2. The utility model achieves the effect of sampling test tubes by setting up the sampling mechanism. First, the sampling tube is placed in the test tube placement position in the connecting sleeve, and then the sampling tube is raised and lowered by the second cylinder so that the chemical sample required for inspection is filled into the inside. At the same time, before each sampling work, the mechanism can use the first cylinder and the second cylinder to place the sampling tube in a suitable position so that it cooperates with the test tube cleaning mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of a sampling device for chemical testing and analysis according to the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of a test tube cleaning mechanism of a sampling device for chemical testing and analysis of the utility model;

[0015] Figure 3 The utility model is a test tube cleaning mechanism for a sampling device for chemical testing and analysis Figure 2 The enlarged structural diagram at A in the middle;

[0016] Figure 4 This is an enlarged structural diagram of a test tube cleaning mechanism of a sampling device for chemical testing and analysis of the utility model;

[0017] Figure 5 This is a schematic diagram of the sampling mechanism structure of a sampling device for chemical testing and analysis of the utility model;

[0018] Numbers in the figure: 1. Chemical tank; 2. Test tube cleaning mechanism; 201. Nested shell; 202. Outer shell; 203. Motor; 204. Rotating shaft; 205. Transmission rod; 206. Drive disk; 207. Connecting rod; 208. Electric turntable; 209. Cleaning cotton; 210. Water storage tank; 211. Water injection hole; 212. Connecting pipe; 213. Water pump; 214. Columnar nozzle; 3. Sampling mechanism; 301. Support rod; 302. First cylinder; 303. Second cylinder; 304. Connecting sleeve; 305. Sampling tube. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1 The utility model: a sampling device for chemical testing and analysis, comprising a chemical tank 1 and a test tube cleaning mechanism 2, characterized in that the test tube cleaning mechanism 2 is arranged on the outer wall and the top of the chemical tank 1, and the sampling mechanism 3 is arranged on the top of the chemical tank 1.

[0021] Among them: when the test tube cleaning mechanism 2 performs the test tube cleaning work, the tested test tube is cleaned in time to ensure the purity of the next sampling sample and improve the experimental accuracy. When the sampling mechanism 3 performs the sampling work, the test tube is sampled.

[0022] See also Figures 1 to 4 A sampling device for chemical testing and analysis, the test tube cleaning mechanism 2 includes a nested shell 201 fixedly connected to the outer wall of a chemical tank 1 and an outer shell 202 fixedly connected to the top thereof, the inner wall of the outer shell 202 is fixedly connected with a motor 203, the output shaft of the motor 203 is fixedly connected with a rotating shaft 204 through a coupling, the top of the rotating shaft 204 is fixedly connected with a transmission rod 205 and a driving disk 206 fixedly connected to the outer wall of the transmission rod 205, the bottom of the driving disk 206 is fixedly connected with a connecting rod 207 and an electric turntable 208 fixed to the bottom of the connecting rod 207, the bottom of the electric turntable 208 is fixedly connected with a cleaning cotton 209, the top of the driving disk 206 is fixedly connected with a water storage tank 210 and a water injection hole 211 opened at the top of the water storage tank 210, a connecting pipe 212 is penetrated and connected to the outer wall of one side of the water storage tank 210, the outer wall of the connecting pipe 212 is penetrated and connected to a water pump 213, and the other end of the connecting pipe 212 is penetrated and connected to a columnar nozzle 214.

[0023] Among them, when the test tube cleaning mechanism 2 performs the test tube cleaning work, the test tube after inspection is cleaned immediately to ensure the purity of the sample for the next sampling and improve the experimental accuracy. First, the columnar nozzle 214 is rotated by the motor 203 to drive the rotating shaft 204 and the transmission rod 205, so that the driving disk 206 rotates the columnar nozzle 214 to a suitable position, and then the sampling tube 305 is moved up and down to a suitable position by the sampling mechanism 3, so that the columnar nozzle 214 is inserted into the sampling tube 305, and then the water pump 213 is started to pump the cleaning liquid from the water tank 210 into the columnar nozzle 214 through the connecting pipe 212, so that it performs a preliminary spraying on the inside of the test tube. The cleaning cotton 209 is then rotated to a suitable position as above and inserted into the sampling tube 305, and then the electric turntable 208 is used to drive the cleaning cotton 209 to rotate in the test tube, and then the above cycle operation is performed to achieve the effect of cleaning the sampling tube 305. Through the setting of this function, the test tube can be cleaned in advance before each sampling work, which can effectively reduce the risk of contamination or cross-contamination inside the test tube, and effectively ensure the purity and reliability of the collected samples. At the same time, through the setting of the nested shell 201, it can be installed on any chemical tank 1, and can be more flexibly moved according to needs.

[0024] See also Figure 1 and Figure 5 A sampling device for chemical testing and analysis, the sampling mechanism 3 includes a support rod 301, a first cylinder 302 is fixedly connected to the outer wall of one side of the support rod 301, a second cylinder 303 is fixedly connected to the bottom of the first cylinder 302, a connecting sleeve 304 and a sampling tube 305 fixedly connected to the inside of the connecting sleeve 304 are fixedly connected to the outer wall of the second cylinder 303.

[0025] Among them: when the sampling mechanism 3 performs sampling work, the effect of sampling the test tube is achieved. First, the sampling tube 305 is placed in the test tube placement position provided in the connecting sleeve 304, and then the sampling tube 305 is raised and lowered by the second cylinder 303 so that the chemical sample required for inspection is filled into it. At the same time, before each sampling work, the mechanism can use the first cylinder 302 and the second cylinder 303 to place the sampling tube 305 in a suitable position so that it cooperates with the test tube cleaning mechanism 2.

[0026] The working principle of the utility model is as follows: firstly, the sampling tube 305 is placed in the test tube placement position provided in the connecting sleeve 304, and then the sampling tube 305 is lifted and lowered by the second cylinder 303, so that the chemical sample to be tested is filled into the inside thereof, and then the columnar nozzle 214 is rotated by the motor 203 to drive the rotating shaft 204 and the transmission rod 205, so that the driving disk 206 rotates the columnar nozzle 214 to a suitable position, and then the first cylinder 302 and the second cylinder 303 are used to insert the columnar nozzle 214 into the sampling tube 305. 5, then start the water pump 213 to draw the cleaning liquid from the water tank 210 into the cylindrical nozzle 214 through the connecting pipe 212, so that it can perform preliminary washing and spraying of the cleaning liquid on the inside of the test tube, then rotate the cleaning cotton 209 to a suitable position as above, and insert it into the sampling tube 305, and then use the electric turntable 208 to drive the cleaning cotton 209 to rotate in the test tube, and then circulate the operation as above to achieve the effect of cleaning the sampling tube 305. This is the working principle of a sampling device for chemical testing and analysis.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A sampling device for chemical analysis, characterized in that: The invention comprises a chemical tank (1) and a test tube cleaning mechanism (2), characterized in that: the test tube cleaning mechanism (2) is arranged on the outer wall and the top of the chemical tank (1), and the sampling mechanism (3) is arranged on the top of the chemical tank (1); The test tube cleaning mechanism (2) comprises a nested shell (201) fixedly connected to the outer wall of the chemical tank (1) and an outer shell (202) fixedly connected to the top thereof, and a motor (203) is fixedly connected to the inner wall of the outer shell (202).

2. A sampling device for chemical analysis according to claim 1, characterized in that: The output shaft of the motor (203) is fixedly connected to a rotating shaft (204) via a coupling, and the top of the rotating shaft (204) is fixedly connected to a transmission rod (205) and a driving disc (206) fixedly connected to the outer wall of the transmission rod (205).

3. A sampling device for chemical analysis according to claim 2, characterized in that: The bottom of the driving disk (206) is fixedly connected to a connecting rod (207) and an electric turntable (208) fixed to the bottom of the connecting rod (207), and the bottom of the electric turntable (208) is fixedly connected to a cleaning cotton (209).

4. A sampling device for chemical analysis according to claim 3, characterized in that: The top of the driving disk (206) is fixedly connected to a water tank (210) and a water injection hole (211) provided on the top of the water tank (210); a connecting pipe (212) is connected through an outer wall of one side of the water tank (210); a water pump (213) is connected through an outer wall of the connecting pipe (212); and a columnar nozzle (214) is connected through the other end of the connecting pipe (212).

5. A sampling device for chemical analysis according to claim 1, characterized in that: The sampling mechanism (3) comprises a support rod (301), one side outer wall of the support rod (301) is fixedly connected to a first cylinder (302), and the bottom of the first cylinder (302) is fixedly connected to a second cylinder (303).

6. A sampling device for chemical analysis according to claim 5, characterized in that: The outer wall of the second cylinder (303) is fixedly connected with a connecting sleeve (304) and a sampling tube (305) fixedly connected to the inside of the connecting sleeve (304).

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