Ultrapure water sampling and detecting device

Abstract

The utility model relates to the technical field of ultrapure water sampling and detecting equipment, in particular to an ultrapure water sampling and detecting device which comprises a sampling tube, a needle tube body is fixedly connected to the surface of the bottom of the sampling tube, a handle is fixedly connected to the surface of one side of the sampling tube, and a guide rail box is fixedly connected to the surface of the top of the handle. A servo motor is fixedly connected to the surface of the top of the guide rail box, a threaded rod is arranged in an inner cavity of the guide rail box, a moving plate is slidably connected to the surface of one side of the guide rail box in an attached mode, a connecting rod is fixedly connected to the surface of one side of the moving plate, an up-down cylinder is fixedly connected to one end of the connecting rod, and a connecting ball is fixedly connected to the surface of the bottom of the up-down cylinder. By arranging the guide rail box, the servo motor, the threaded rod, the moving plate, the upper cylinder, the lower cylinder, the connecting ball, the rubber body and the detection probe head, ultrapure water can be sampled in a more labor-saving manner, ultrapure water can be detected more conveniently, and the ultrapure water detection device is more humanized.

Description

Technical Field

[0001] The utility model relates to an ultra-pure water sampling and detection device, belonging to the technical field of ultra-pure water sampling and detection equipment. Background Art

[0002] Ultra-pure water is extremely easy to contact with carbon dioxide in the air to form carbonic acid, resulting in inaccurate detection results. Sampling and detection of ultra-pure water need to avoid contact with air. For example, an ultra-pure water sampling and detection device disclosed in the authorized announcement CN214277523U includes a sampling bottle, a connecting hose, a buffer detection pool and a detector. The sampling bottle includes a bottle body and a bottle mouth at its upper end. The connecting hose includes a hose, a first sealing joint and a second sealing joint respectively fixed at both ends thereof. The detector includes a detection probe. One side of the upper surface of the buffer detection pool is provided with a first connection port, and the center of the upper surface is provided with a second connection port.

[0003] In this device, the detector directly contacts the ultra-pure water through the probe to detect the ultra-pure water. However, in the actual application process, researchers found that the sampling and detection of ultra-pure water is not user-friendly, very time-consuming and laborious, and not conducive to popularization and use. Summary of the Utility Model

[0004] To solve the problems raised in the above background art, the utility model provides an ultra-pure water sampling and detection device.

[0005] To achieve the above object, the utility model provides the following technical solution: An ultra-pure water sampling and detection device includes a sampling tube. The bottom surface of the sampling tube is fixedly connected with a syringe body. One side surface of the sampling tube is fixedly connected with a handle. The top surface of the handle is fixedly connected with a guide rail box. The top surface of the guide rail box is fixedly connected with a servo motor. A threaded rod is arranged in the inner cavity of the guide rail box. One side surface of the guide rail box is fitted and slidably connected with a moving plate. One side surface of the moving plate is fixedly connected with a connecting rod. One end of the connecting rod is fixedly connected with an upper and lower cylinder. The bottom surface of the upper and lower cylinder is fixedly connected with a connecting ball. A rubber body is sleeved and fixedly connected on the outer surface of the connecting ball. A detection probe head is movably connected through the bottom surface of the inner cavity of the connecting ball.

[0006] Preferably, the sampling tube and the syringe body are of a communicating structure, and a scale layer is coated on the outer surface of the sampling tube.

[0007] Preferably, one end of the threaded rod is fixedly connected to the output end of the servo motor, and the end of the threaded rod far from the servo motor is movably connected to the guide rail box through a bearing.

[0008] Preferably, a sliding block is fixedly connected to one side surface of the moving plate. The sliding block is sleeved and threadedly connected to the outer surface of the threaded rod. A chute matching the structural size of the sliding block is opened on one side surface of the guide rail box.

[0009] Preferably, the upper and lower cylinder and the connecting ball are integrally formed structures. A slot hole matching the structural size of the detection probe head is penetrated and opened on the bottom surface of the connecting ball.

[0010] Preferably, the outer surface of the rubber body is hermetically and slidably connected to the sampling tube. A hole matching the structural size of the detection probe head is penetrated and opened on the bottom surface of the rubber body.

[0011] Preferably, a control box is fixedly connected to the top surface of the handle. A controller is arranged inside the control box.

[0012] The beneficial effects of the present utility model are as follows:

[0013] By providing a guide rail box, a servo motor, a threaded rod, a moving plate, an upper and lower cylinder, a connecting ball, a rubber body and a detection probe head, the present utility model can more labor - savingly complete the sampling of ultrapure water and more conveniently complete the detection of ultrapure water, which is more user - friendly. During use, control the servo motor to drive the rotation of the threaded rod, thereby driving the sliding block, the moving plate and the upper and lower cylinder combination to move, so that the rubber body moves to sample the ultrapure water. After sampling, pass the detection probe head through the slot hole on the connecting ball, and then pass through the rubber body to contact the ultrapure water to detect the ultrapure water. Description of the Drawings

[0014] The drawings are used to provide further understanding of the present utility model and constitute a part of the specification. Together with the specific embodiments of the present utility model, they are used to explain the present utility model, but do not constitute a limitation to the present utility model.

[0015] Figure 1 is the overall structural schematic diagram of the present utility model;

[0016] Figure 2 is the structural schematic diagram of the internal details of the sampling tube in the present utility model;

[0017] Figure 3 is the structural schematic diagram of the internal details of the upper and lower cylinder and the connecting ball in the present utility model;

[0018] Figure 4 is the structural schematic diagram of the internal details of the guide rail box in the present utility model;

[0019] In the figure: 1. Sampling tube; 2. Syringe body; 3. Handle; 4. Guide rail box; 5. Servo motor; 6. Threaded rod; 7. Moving plate; 8. Connecting rod; 9. Upper and lower cylinders; 10. Connecting ball; 11. Rubber body; 12. Detection probe head; 13. Sliding block; 14. Control box. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] Embodiment 1

[0022] Please refer to Figures 1-4 , the present invention provides the following technical solutions: An ultrapure water sampling and detection device includes a sampling tube 1. The bottom surface of the sampling tube 1 is fixedly connected with a syringe body 2. One side surface of the sampling tube 1 is fixedly connected with a handle 3. The top surface of the handle 3 is fixedly connected with a guide rail box 4. The top surface of the guide rail box 4 is fixedly connected with a servo motor 5. A threaded rod 6 is arranged in the inner cavity of the guide rail box 4. One side surface of the guide rail box 4 is in fitting and sliding connection with a moving plate 7. One side surface of the moving plate 7 is fixedly connected with a connecting rod 8. One end of the connecting rod 8 is fixedly connected with an upper and lower cylinder 9. The bottom surface of the upper and lower cylinder 9 is fixedly connected with a connecting ball 10. A rubber body 11 is sleeved and fixedly connected to the outer surface of the connecting ball 10. The bottom surface of the inner cavity of the connecting ball 10 is movably connected through the detection probe head 12.

[0023] During use, first insert the syringe body 2 through and into the bottle containing ultrapure water, and then control the servo motor 5 to drive the rotation of the threaded rod 6. At this time, the combination of the sliding block 13, the moving plate 7 and the upper and lower cylinders 9 is driven to move, so that the rubber body 11 moves to sample the ultrapure water.

[0024] It should be noted that: The top end of the detection probe head 12 is electrically connected to a known detector device through an electric wire. That is, after the detection probe head 12 contacts the ultrapure water in the sampling tube 1, the ultrapure water can be detected. This is a commonly used technical means and will not be elaborated here.

[0025] As a preferred technical solution of the ultrapure water sampling and detection device of the present invention, the sampling tube 1 and the syringe body 2 are of a communicating structure, and a scale layer is coated on the outer surface of the sampling tube 1; the scale layer can facilitate the operator to observe the amount of the sampled ultrapure water.

[0026] As a preferred technical solution of the ultrapure water sampling and detection device of the present utility model, the upper and lower cylinders 9 and the connecting ball 10 are of an integrally formed structure, and a slot hole matching the structural dimensions of the detection probe head 12 is penetrated and opened on the bottom surface of the connecting ball 10; the outer surface of the rubber body 11 is hermetically and slidably connected to the sampling tube 1, and a hole matching the structural dimensions of the detection probe head 12 is penetrated and opened on the bottom surface of the rubber body 11; due to the elasticity of the rubber body 11, the hole is in a sealed state when not inserted by the detection probe head 12, and when the detection probe head 12 is forced to press down, it will penetrate through the connecting ball 10 and the rubber body 11 and then insert into the ultrapure water inside the sampling tube 1.

[0027] As a preferred technical solution of the ultrapure water sampling and detection device of the present utility model, a control box 14 is fixedly connected to the top surface of the handle 3, and a controller is provided inside the control box 14; the controller is a PLC controller or a single-chip microcomputer, and electrical components such as the servo motor 5 mentioned in this application are all electrically connected to the controller through wires. The start and stop of the electrical components can be controlled by the controller, which is a well-known prior art and will not be elaborated here.

[0028] Embodiment 2

[0029] Please refer to Figure 2 and Figure 4 , the difference between this embodiment and Embodiment 1 is:

[0030] One end of the threaded rod 6 is fixedly connected to the output end of the servo motor 5, and the end of the threaded rod 6 far from the servo motor 5 is movably connected to the guide rail box 4 through a bearing; a sliding block 13 is fixedly connected to one side surface of the moving plate 7, and the sliding block 13 is sleeved and threadedly connected to the outer surface of the threaded rod 6; a chute matching the structural dimensions of the sliding block 13 is opened on one side surface of the guide rail box 4; controlling the servo motor 5 to drive the rotation of the threaded rod 6, with the forward and reverse rotation of the threaded rod 6, thereby driving the combination of the sliding block 13, the moving plate 7 and the upper and lower cylinders 9 to move up or down.

[0031] The working principle and usage process of the present utility model: When in use, controlling the servo motor 5 to drive the rotation of the threaded rod 6 to drive the rubber body 11 to move for sampling ultrapure water. At this time, the operator observes the scale layer outside the sampling tube 1 to observe the amount of ultrapure water taken out. After sampling is completed, the detection probe head 12 is forced to press down, pass through the slot hole on the connecting ball 10, and then pass through the rubber body 11 to contact the ultrapure water. At this time, the detector connected to the detection probe head 12 can complete the detection of the ultrapure water.

[0032] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

[0033] In this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

Claims

1. An ultrapure water sampling and detection device, comprising a sampling tube (1), characterized in that: The bottom surface of the sampling tube (1) is fixedly connected to a needle tube body (2); the side surface of the sampling tube (1) is fixedly connected to a handle (3); the top surface of the handle (3) is fixedly connected to a guide rail box (4); the top surface of the guide rail box (4) is fixedly connected to a servo motor (5); a threaded rod (6) is provided in the inner cavity of the guide rail box (4); a moving plate (7) is slidably connected to the side surface of the guide rail box (4); a connecting rod (8) is fixedly connected to the side surface of the moving plate (7); one end of the connecting rod (8) is fixedly connected to an upper and lower cylinder (9); the bottom surfaces of the upper and lower cylinders (9) are fixedly connected to a connecting ball (10); the outer surface of the connecting ball (10) is embedded and fixedly connected to a rubber body (11); and the bottom surface of the inner cavity of the connecting ball (10) is movably connected to a detection probe head (12).

2. An ultrapure water sampling and detection device according to claim 1, characterized in that: The sampling tube (1) and the needle tube body (2) are of a connected structure, and the outer surface of the sampling tube (1) is coated with a scale layer.

3. The ultrapure water sampling and detection device according to claim 1, characterized in that: One end of the threaded rod (6) is fixedly connected to the output end of the servo motor (5), and one end of the threaded rod (6) away from the servo motor (5) is movably connected to the guide rail box (4) via a bearing.

4. The ultrapure water sampling and detection device according to claim 1, characterized in that: A sliding block (13) is fixedly connected to one side surface of the moving plate (7), and the sliding block (13) is threadedly connected to the outer surface of the threaded rod (6). A sliding groove matching the structural dimensions of the sliding block (13) is provided on one side surface of the guide rail box (4).

5. The ultrapure water sampling and detection device according to claim 1, characterized in that: The upper and lower cylinders (9) and the connecting ball (10) are an integrally formed structure, and a slot hole matching the structural dimensions of the detection probe head (12) is formed through the bottom surface of the connecting ball (10).

6. The ultrapure water sampling and detection device according to claim 1, characterized in that: The outer surface of the rubber body (11) is sealingly fitted and slidably connected to the sampling tube (1), and a hole matching the structural size of the detection probe head (12) is penetrated through the bottom surface of the rubber body (11).

7. An ultrapure water sampling and detection device according to claim 1, characterized in that: A control box (14) is fixedly connected to the top surface of the handle (3), and a controller is provided in the inner cavity of the control box (14).

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