Automatic sampling device for hazardous chemicals

Abstract

The utility model relates to the technical field of sampling devices, and discloses an automatic sampling device for hazardous chemicals, comprising a base, a support rod is fixedly installed on the top of the base, a support plate is fixedly installed on the top of the support rod, a sampling bottle is placed on the top of the support plate, and an extraction mechanism is arranged on the top of the base; the extraction mechanism comprises a vertical plate, a pipeline, a connecting pipe, a piston, a round rod, a connecting plate, a screw rod, an L-shaped plate, a motor, and a mounting plate; the utility model connects the left end flange of the pipeline with the target pipeline, and then places the sampling bottle just below the connecting pipe, starts the motor to drive the screw rod to rotate, and the screw rod pulls the piston to move right through the connecting plate and the round rod, so that the liquid in the pipeline flows into the interior of the sampling bottle through the connecting pipe, so as to achieve the purpose of automatic sampling, and does not contact with the liquid during the sampling process, thereby improving the safety of sampling.

Description

Technical Field

[0001] The utility model relates to the technical field of sampling devices, in particular to an automatic sampling device for hazardous chemicals. Background Art

[0002] Sampling refers to separating a part of representative materials or products as the test object. This object is called a sample, and this separation process is called sampling (process). The test can be the measurement of physical properties, the analysis of chemical composition, the detection of microbial performance, etc., usually to understand the entire object, confirm quality requirements, confirm or judge the material. The sampling valve is a kind of valve, and its main function is to intercept the medium sample in the pipeline, and open or close it by rotating the channel port on the plug to be the same as or separate from the channel port on the valve body. It has high safety performance in structural design, with the characteristics of rapid opening and closing, no cavity, good sealing, etc. It is widely used in harsh working conditions such as petroleum, petrochemical, chlor-alkali, medicine, food, easy to crystallize, with particles, etc.

[0003] Especially in chemical samples, if the sample liquid leaks or comes into contact with the skin, it may cause skin ulcers, etc. Therefore, a safe, non-contact sampling device is urgently needed. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides an automatic sampling device for hazardous chemicals.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic sampling device for hazardous chemicals, comprising a base, a support rod is fixedly installed on the top of the base, a support plate is fixedly installed on the top of the support rod, a sampling bottle is placed on the top of the support plate, and an extraction mechanism is arranged on the top of the base; the extraction mechanism comprises a vertical plate, a pipeline, a connecting pipe, a piston, a round rod, a connecting plate, a screw rod, an L-shaped plate, a motor, and a mounting plate, the vertical plate is fixedly installed on the top of the base, the pipeline is fixedly installed on the top of the vertical plate, the connecting pipe is connected to the bottom of the pipeline, the piston is slidably connected to the inside of the pipeline, and the round rod is fixedly connected to the right side of the piston.

[0008] Preferably, the right end of the round rod passes through the right side of the inner wall of the pipe and extends to the outer wall of the pipe, and the round rod is slidably connected to the pipe, the connecting tube is arranged directly above the sampling bottle, a limiting ring is fixedly installed on the top of the support plate, and the bottom of the sampling bottle is arranged inside the limiting ring, and the sampling bottle can be limited by setting the limiting ring to improve its placement stability.

[0009] Preferably, the connecting plate is fixedly mounted on the right end of the round rod, the screw rod passes through the connecting plate and is threadedly connected to the connecting plate, the L-shaped plate is fixedly mounted on the top of the base, and the right end of the screw rod is rotatably connected to the inner wall of the L-shaped plate through a bearing, and the bearing is set to ensure stable rotation of the screw rod.

[0010] Preferably, the mounting plate is fixedly mounted on the top of the inner wall of the L-shaped plate, the motor is fixedly mounted on the right side of the mounting plate, and the output end is rotationally connected with the left end of the lead screw through a coupling rod, and the lead screw can be driven to rotate by setting the motor.

[0011] Preferably, a collecting mechanism is arranged above the base, and the collecting mechanism includes L-shaped plate 2, a cylinder, a bracket, a box body, a limit plate, and a U-shaped rod. The L-shaped plate 2 is fixedly mounted on the back side of the support plate, the cylinder is fixedly mounted inside the L-shaped plate 2, the bracket is fixedly mounted on the output end of the cylinder, and the box body is placed on the bracket. The box body can be driven to move forward and backward by setting the cylinder.

[0012] Preferably, the limit plate is fixedly mounted on the outer wall of the bracket, the U-shaped rod is fixedly mounted on the top of the support plate, and passes through the limit plate and is slidably connected to the limit plate, and a grip rod is fixedly mounted on the right side of the box body. By setting the limit plate and the U-shaped rod, the box body can move forward and backward stably, and the displacement to the front is just below the connecting tube. The setting of the grip rod makes it convenient to take the box body.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides an automatic sampling device for hazardous chemicals, which has the following beneficial effects:

[0015] 1. This automatic sampling device for hazardous chemicals is connected to the target pipeline by using the flange at the left end of the pipeline, and then the sampling bottle is placed directly below the connecting pipe. The motor is started to drive the screw to rotate, and the screw pulls the piston to the right through the connecting plate and the round rod, so that the liquid in the pipeline flows into the interior of the sampling bottle through the connecting pipe, thereby achieving the purpose of automatic sampling. In the sampling process, there is no contact with the liquid, which improves the safety of sampling.

[0016] 2. This automatic sampling device for hazardous chemicals starts the cylinder to drive the bracket forward after sampling, and the bracket drives the box body to move to the bottom of the connecting pipe, so that the liquid remaining on the inner wall of the connecting pipe falls into the box body, avoiding the sampled hazardous chemicals from contaminating the device and improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

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

[0019] Figure 2 It is a cross-sectional view of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the collection mechanism of the utility model;

[0021] In the figure: 1. base; 2. support rod; 3. support plate; 4. sampling bottle; 5. extraction mechanism; 51. vertical plate; 52. pipeline; 53. connecting pipe; 54. piston; 55. round rod; 56. connecting plate; 57. screw rod; 58. L-shaped plate 1; 59. motor; 510. mounting plate; 6. collecting mechanism; 61. L-shaped plate 2; 62. cylinder; 63. bracket; 64. box body; 65. limit plate; 66. U-shaped rod; 7. limit ring. DETAILED DESCRIPTION

[0022] 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.

[0023] Example 1

[0024] like Figure 1-3As shown, the utility model provides an automatic sampling device for hazardous chemicals, including a base 1, a support rod 2 is fixedly installed on the top of the base 1, a support plate 3 is fixedly installed on the top of the support rod 2, a sampling bottle 4 is placed on the top of the support plate 3, and an extraction mechanism 5 is arranged on the top of the base 1; the extraction mechanism 5 includes a vertical plate 51, a pipeline 52, a connecting pipe 53, a piston 54, a round rod 55, a connecting plate 56, a screw 57, an L-shaped plate 58, a motor 59, and a mounting plate 510. The vertical plate 51 is fixedly installed on the top of the base 1, and the pipeline 52 is fixedly installed on the top of the vertical plate 51. There are two vertical plates 51. A flange is arranged on the left end of the pipeline 52 for convenient connection with the target pipeline. The connecting pipe 53 is connected to the bottom of the pipeline 52, and the piston 54 is slidably connected to the inside of the pipeline 52. The round rod 55 is fixedly connected to the right side of the piston 54, and the right end of the round rod 55 passes through the right side of the inner wall of the pipeline 52. The side extends to the outer wall of the pipeline 52, and the round rod 55 is slidably connected to the pipeline 52, the connecting pipe 53 is arranged directly above the sampling bottle 4, the top of the support plate 3 is fixedly installed with a limiting ring 7, and the bottom of the sampling bottle 4 is arranged inside the limiting ring 7, and the limiting ring 7 can be set to limit the sampling bottle 4 to improve its placement stability, the connecting plate 56 is fixedly installed on the right end of the round rod 55, the screw rod 57 passes through the connecting plate 56 and is threadedly connected to the connecting plate 56, the L-shaped plate 58 is fixedly installed on the top of the base 1, and the right end of the screw rod 57 is rotatably connected to the inner wall of the L-shaped plate 58 through a bearing, and the screw rod 57 is stably rotated by setting a bearing, the mounting plate 510 is fixedly installed on the top of the inner wall of the L-shaped plate 58, the motor 59 is fixedly installed on the right side of the mounting plate 510, and the output end is rotatably connected with the left end of the screw rod 57 through a coupling rod, and the screw rod 57 can be driven to rotate by setting the motor 59.

[0025] In this embodiment, the left end flange of the pipe 52 is connected to the target pipeline, and the sampling bottle 4 is placed directly below the connecting pipe 53. The motor 59 is started to drive the screw 57 to rotate. The screw 57 pulls the piston 54 to the right through the connecting plate 56 and the round rod 55, so that the liquid in the pipeline flows into the interior of the sampling bottle 4 through the connecting pipe 53, thereby achieving the purpose of automatic sampling. There is no contact with the liquid during the sampling process, thereby improving the safety of sampling.

[0026] Example 2

[0027] like Figure 1-3As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a collecting mechanism 6 is arranged above the base 1, and the collecting mechanism 6 includes an L-shaped plate 61, a cylinder 62, a bracket 63, a box body 64, a limit plate 65, and a U-shaped rod 66. The L-shaped plate 61 is fixedly installed on the back of the support plate 3, the cylinder 62 is fixedly installed inside the L-shaped plate 61, the bracket 63 is fixedly installed at the output end of the cylinder 62, and the box body 64 is placed on the bracket 63. By setting the cylinder 62, the box body 64 can be driven to move forward and backward. The limit plate 65 is fixedly installed on the outer wall of the bracket 63, and the U-shaped rod 66 is fixedly installed on the top of the support plate 3 and penetrates the limit plate 65 and is slidably connected with the limit plate 65. A grip rod is fixedly installed on the right side of the box body 64. By setting the limit plate 65 and the U-shaped rod 66, the box body 64 can move stably forward and backward, and the displacement to the front is just below the connecting pipe 53. The setting of the grip rod is convenient for taking the box body 64.

[0028] In this embodiment, after sampling, the cylinder 62 is started to drive the bracket 63 forward, and the bracket 63 drives the box body 64 to move to the bottom of the connecting tube 53, so that the liquid remaining on the inner wall of the connecting tube 53 falls into the box body 64, thereby preventing the sampled hazardous chemicals from contaminating the device and improving the practicality of the device.

[0029] The following is a detailed description of the working principle of this automatic sampling device for hazardous chemicals.

[0030] like Figure 1-3 As shown, when in use, the left end flange of the pipe 52 is used to connect with the target pipeline, and then the sampling bottle 4 is placed directly below the connecting pipe 53, and the motor 59 is started to drive the screw 57 to rotate. The screw 57 pulls the piston 54 to the right through the connecting plate 56 and the round rod 55, so that the liquid in the pipeline flows into the interior of the sampling bottle 4 through the connecting pipe 53, so as to achieve the purpose of automatic sampling, and there is no contact with the liquid during the sampling process, thereby improving the safety of sampling. After sampling, the cylinder 62 is started to drive the bracket 63 to move forward, and the bracket 63 drives the box body 64 to move to the bottom of the connecting pipe 53, so that the liquid remaining on the inner wall of the connecting pipe 53 falls into the box body 64, so as to avoid the dangerous chemicals sampled from contaminating the device and improve the practicality of the device. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

Claims

1. An automatic sampling device for hazardous chemicals, comprising a base (1), characterized in that: A support rod (2) is fixedly mounted on the top of the base (1), a support plate (3) is fixedly mounted on the top of the support rod (2), a sampling bottle (4) is placed on the top of the support plate (3), and an extraction mechanism (5) is provided on the top of the base (1); The extraction mechanism (5) comprises a vertical plate (51), a pipeline (52), a connecting pipe (53), a piston (54), a round rod (55), a connecting plate (56), a screw rod (57), an L-shaped plate (58), a motor (59), and a mounting plate (510); the vertical plate (51) is fixedly mounted on the top of the base (1); the pipeline (52) is fixedly mounted on the top of the vertical plate (51); the connecting pipe (53) is connected to the bottom of the pipeline (52); the piston (54) is slidably connected to the inside of the pipeline (52); and the round rod (55) is fixedly connected to the right side of the piston (54).

2. The automatic sampling device for hazardous chemicals according to claim 1 is characterized in that: The right end of the round rod (55) passes through the right side of the inner wall of the pipe (52) and extends to the outer wall of the pipe (52), and the round rod (55) is slidably connected to the pipe (52). The connecting pipe (53) is arranged directly above the sampling bottle (4). A limiting ring (7) is fixedly installed on the top of the support plate (3), and the bottom of the sampling bottle (4) is arranged inside the limiting ring (7).

3. The automatic sampling device for hazardous chemicals according to claim 1 is characterized in that: The connecting plate (56) is fixedly mounted on the right end of the round rod (55); the screw rod (57) passes through the connecting plate (56) and is threadedly connected to the connecting plate (56); the L-shaped plate (58) is fixedly mounted on the top of the base (1); and the right end of the screw rod (57) is rotatably connected to the inner wall of the L-shaped plate (58) via a bearing.

4. The automatic sampling device for hazardous chemicals according to claim 3 is characterized in that: The mounting plate (510) is fixedly mounted on the top of the inner wall of the L-shaped plate (58), and the motor (59) is fixedly mounted on the right side of the mounting plate (510), and the output end is rotatably connected to the left end of the lead screw (57) via a coupling rod.

5. The automatic sampling device for hazardous chemicals according to claim 1 is characterized in that: A collecting mechanism (6) is arranged above the base (1), and the collecting mechanism (6) comprises an L-shaped plate (61), a cylinder (62), a bracket (63), a box body (64), a limit plate (65), and a U-shaped rod (66). The L-shaped plate (61) is fixedly mounted on the back of the support plate (3), the cylinder (62) is fixedly mounted inside the L-shaped plate (61), the bracket (63) is fixedly mounted on the output end of the cylinder (62), and the box body (64) is placed on the bracket (63).

6. The automatic sampling device for hazardous chemicals according to claim 5 is characterized in that: The limiting plate (65) is fixedly mounted on the outer wall of the bracket (63), the U-shaped rod (66) is fixedly mounted on the top of the support plate (3), and penetrates through the limiting plate (65) and is slidably connected to the limiting plate (65), and a gripping rod is fixedly mounted on the right side of the box body (64).

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