Leak-proof sampler for triethylamine production

Abstract

The utility model discloses a leakproof sampler for triethylamine production, and relates to the technical field of triethylamine samplers, the sampler is provided with a pipe body, the end face of one side of the pipe body is provided with a first sealing cover, one side of the first sealing cover is provided with a plug, and the first sealing cover is connected with the interior of one side of the pipe body through the plug in an inserted manner; the device further comprises a drawing rod, the drawing rod is connected with the interior of the pipe body in an inserted mode, one side of the suction pipe is arranged at the bottom of the pipe body, connecting grooves are formed in the front end face and the rear end face of the suction pipe, and a protection pipe is installed on the suction pipe. According to the technical scheme, the problems that in the prior art, a sampler is not provided with an anti-leakage structure, and after sampling, the part, making contact with liquid, of the bottom of the sampler is prone to liquid dripping, so that leakage pollution is caused are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of triethylamine samplers, in particular to a leakage-proof sampler for triethylamine production. Background Art

[0002] Triethylamine is mainly used as a solvent, polymerization inhibitor, preservative, and can also be used for synthetic dyes, etc. During production, it needs to be sampled and tested with a knife sampler; China authorized patent (liquid sampler) with announcement number CN219935360U: including an upper liquid extraction tube, a middle liquid extraction tube and a lower liquid extraction tube connected in sequence from top to bottom, the outer surfaces of the upper liquid extraction tube, the middle liquid extraction tube and the lower liquid extraction tube are jointly provided with scale schematic lines, and the upper liquid extraction tube, the middle liquid extraction tube and the lower liquid extraction tube are made of transparent materials; by connecting a large suction ball to the upper liquid extraction tube, inserting the bottom of the lower liquid extraction tube below the concentrated sulfuric acid liquid surface, under natural pressure, the concentrated sulfuric acid The liquid automatically enters the upper and middle liquid extraction tubes, and then rises to the lower edge of the upper liquid extraction tube. The density of concentrated sulfuric acid is constant, and the liquid pressure is only related to the vertical height of the liquid surface. The upper liquid extraction tube can be filled with a large suction ball to avoid concentrated sulfuric acid dripping and spilling to affect sampling and work efficiency, solving the long-standing problem of troublesome and dangerous concentrated sulfuric acid sampling. By setting scale schematic lines and the upper, middle and lower liquid extraction tubes made of transparent materials, it is convenient to observe the sampling volume and appearance color throughout the process, and quantitative or non-quantitative sampling can be performed to avoid leakage during the sampling process. The operation is simple, convenient, intuitive and efficient, safe, controllable, environmentally friendly, and easy to disassemble and clean.

[0003] However, the sampler in the above-mentioned prior art does not have a leak-proof structure, and the bottom part in contact with the liquid is prone to liquid dripping after sampling, thereby causing leakage and pollution. Therefore, it does not meet the existing needs. In this regard, we propose a leak-proof sampler for triethylamine production. Summary of the invention

[0004] The utility model aims to provide a leak-proof sampler for triethylamine production, so as to solve the problem that the sampler in the prior art proposed in the above-mentioned background technology does not have a leak-proof structure, and the part of the bottom in contact with the liquid after sampling is prone to liquid dripping, thereby causing leakage pollution.

[0005] To achieve the above object, the utility model provides the following technical solution: a leak-proof sampler for triethylamine production, comprising a sampler, wherein a tube body is arranged on the sampler, a first sealing cover is arranged on one end face of the tube body, a plug is arranged on one side of the first sealing cover, and the first sealing cover is plug-connected with the inside of one side of the tube body through the plug;

[0006] Also includes:

[0007] A pull-out rod is arranged inside the other side of the tube body, a rubber pad is arranged on one end surface of the pull-out rod, a handle is arranged on the other end surface of the pull-out rod, and the pull-out rod is plug-connected with the inside of the tube body;

[0008] A suction tube is arranged on one side of the bottom of the tube body, the front and rear end faces of the suction tube are both provided with connecting grooves, a protective tube is installed on the suction tube, an external tube is arranged on one side end face of the first sealing cover, a sealing ball is arranged inside the suction tube, and a connecting line is arranged on the sealing ball.

[0009] Preferably, the front and rear ends of the inner wall of the protection tube are both provided with connection blocks, and the protection tube is slidably connected to the connection groove via the connection blocks.

[0010] Preferably, an opening and closing plate is installed at the bottom end of the protection tube, and two opening and closing plates are installed.

[0011] Preferably, a connection port is provided on the lower surface of the tube body, and two connection ports are provided.

[0012] Preferably, a connector is provided on one side of the suction pipe, and a liquid storage tank is provided below the connector.

[0013] Preferably, the front end surface of the liquid storage tank is provided with scale values.

[0014] Preferably, a second sealing cover is disposed on the upper surface of the liquid storage tank, a connecting column is disposed on the upper surface of the second sealing cover, and the connecting column is connected to the internal thread of the connecting head.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model provides a protection tube on the suction tube, and the protection tube is slidably connected with the connection groove on the suction tube by using the connection block inside the protection tube, and two opening and closing plates are arranged at the bottom inside the protection tube. During operation, the first sealing cover is first removed, and then the protection tube is slid upward to suck the suction tube, and the bottom of the protection tube pushes the opening and closing plates open, and then the suction tube is put into the liquid, and the connecting line of the end face of one side of the pulling rod is connected with the sealing ball inside the suction tube, and the pulling rod is pulled by the handle, so that the connecting line drives the sealing ball to move, so that the air in the pipeline is partially sucked out, forming a negative pressure, and when the air pressure in the tube is lower than the external air pressure, the liquid is sucked into the tube, and the sucked liquid enters the interior of the liquid storage tank through the connecting port, and after sampling is completed, the pulling rod is pushed back, the sealing ball falls back to play a sealing role, and the protection tube is pulled down to close the opening and closing plate at the bottom of the protection tube, so that the suction tube is in a sealed environment, thereby achieving the effect of leak prevention, and solving the problem that the sampler in the prior art does not have a leak prevention structure, and the part of the bottom that contacts with the liquid after sampling is prone to liquid dripping, thereby causing leakage pollution.

[0017] By arranging a connecting column on the top of the liquid storage tank and threading the connecting column with the connecting head, it is convenient to take the liquid after sampling is completed. At the same time, there is no need to use an external tank body when sampling. The liquid storage tank is transparent, which is convenient for observing the extraction amount. An external pipe is arranged on one side end face of the first sealing cover. When the liquid to be sampled is deeper, the sampling operation can be carried out by installing the tube body on the external pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the leak-proof sampler of the utility model;

[0019] Figure 2 It is a schematic diagram of the partial internal structure of the leak-proof sampler of the utility model;

[0020] Figure 3 It is an enlarged schematic diagram of the internal structure of the protection tube of the utility model;

[0021] Figure 4 It is an enlarged schematic diagram of the liquid storage tank structure of the utility model;

[0022] In the figure: 1. Sampler; 2. Tube body; 3. Pull-out rod; 4. Handle; 5. First sealing cover; 6. Suction tube; 7. Protective tube; 8. Connecting groove; 9. Liquid storage tank; 10. Connecting head; 11. Plug; 12. Connecting port; 13. Rubber pad; 14. Opening and closing plate; 15. Connecting block; 16. Scale value; 17. Second sealing cover; 18. Connecting column; 19. External tube; 20. Sealing ball; 21. Connecting line. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4 The utility model provides an embodiment: a leakage-proof sampler for triethylamine production, comprising a sampler 1, a tube body 2 is arranged on the sampler 1, a first sealing cover 5 is arranged on one end face of the tube body 2, a plug 11 is arranged on one side of the first sealing cover 5, and the first sealing cover 5 is plug-connected with the inside of one side of the tube body 2 through the plug 11;

[0025] Also includes:

[0026] A pull rod 3 is arranged inside the other side of the tube body 2, a rubber pad 13 is arranged on one end surface of the pull rod 3, a handle 4 is arranged on the other end surface of the pull rod 3, and the pull rod 3 is plug-connected with the inside of the tube body 2;

[0027] The suction tube 6 is arranged on one side of the bottom of the tube body 2. The front and rear end surfaces of the suction tube 6 are both provided with connecting grooves 8. A protective tube 7 is installed on the suction tube 6. An external tube 19 is provided on one side end surface of the first sealing cover 5. A sealing ball 20 is provided inside the suction tube 6. A connecting line 21 is provided on the sealing ball 20. When in use, since the protective tube 7 is provided on the suction tube 6, the protective tube 7 is slidably connected with the connecting groove 8 on the suction tube 6 by using the connecting block 15 inside the protective tube 7. Two opening and closing plates 14 are provided at the bottom inside the protective tube 7. When operating, the first sealing cover 5 is first removed, and then the protective tube 7 is slid upward to the suction tube 6. The bottom of the protective tube 7 pushes the opening and closing plates 14 open. Then, the suction tube 6 is placed inside the liquid. The handle 4 is used to pull the pulling rod 3. The air in the pipeline is partially sucked out to form a liquid. Negative pressure, when the air pressure in the tube is lower than the external air pressure, the liquid is sucked into the tube, and the sucked liquid enters the interior of the liquid storage tank 9 through the connecting port 12. After sampling is completed, the protective tube 7 is pulled down to close the opening and closing plate 14 at the bottom of the protective tube 7, so that the suction tube 6 is in a sealed environment, thereby achieving the effect of leak prevention, solving the problem that the sampler 1 in the prior art does not have a leak-proof structure, and the part of the bottom that contacts the liquid after sampling is prone to liquid dripping, thereby causing leakage and pollution. In addition, a connecting column 18 is arranged on the top of the liquid storage tank 9, and the connecting column 18 is threadedly connected to the connecting head 10, which makes it convenient to take the liquid after sampling. At the same time, there is no need to use an external tank body when sampling, and the liquid storage tank 9 is transparent, which is convenient for observing the extraction volume.

[0028] See also Figure 1-Figure 4 The front and rear ends of the inner wall of the protection tube 7 are both provided with connection blocks 15 , and the protection tube 7 is slidably connected to the connection groove 8 through the connection blocks 15 .

[0029] See also Figure 1-Figure 4 An opening and closing plate 14 is installed at the bottom end of the protection tube 7, and two opening and closing plates 14 are installed.

[0030] See also Figure 1-Figure 4 A connection port 12 is provided on the lower surface of the tube body 2, and two connection ports 12 are provided.

[0031] See also Figure 1-Figure 4 A connector 10 is provided on one side of the suction tube 6, and a liquid storage tank 9 is provided below the connector 10. During operation, the first sealing cover 5 is first removed, and then the protective tube 7 is slid upward to the suction tube 6, and the bottom of the suction tube 6 pushes open the opening and closing plate 14. Then, the suction tube 6 is placed inside the liquid, and the pull-out rod 3 is pulled by the handle 4. The air in the pipeline is partially sucked out to form a negative pressure. When the air pressure in the tube is lower than the external air pressure, the liquid is sucked into the tube, and the sucked liquid enters the interior of the liquid storage tank 9 through the connecting port 12. After sampling is completed, the protective tube 7 is pulled down to close the opening and closing plate 14 at the bottom of the protective tube 7, so that the suction tube 6 is in a sealed environment, thereby achieving a leak-proof effect.

[0032] See also Figure 1-Figure 4 The front end surface of the liquid storage tank 9 is provided with a scale value 16, and there is no need to use an external tank body when sampling, and the liquid storage tank 9 is transparent, which is convenient for observing the extraction amount.

[0033] See also Figure 1-Figure 4 A second sealing cover 17 is disposed on the upper surface of the liquid storage tank 9 , a connecting column 18 is disposed on the upper surface of the second sealing cover 17 , and the connecting column 18 is connected to the internal thread of the connecting head 10 .

[0034] Working principle: When in use, since the protective tube 7 is arranged on the suction tube 6, the protective tube 7 is slidably connected with the connecting groove 8 on the suction tube 6 by means of the connecting block 15 inside the protective tube 7, and two opening and closing plates 14 are arranged at the bottom inside the protective tube 7. When operating, the first sealing cover 5 is first removed, and then the protective tube 7 is slid upward to the suction tube 6, and the bottom of the protective tube 7 pushes the opening and closing plates 14 open, and then the suction tube 6 is placed inside the liquid, and then the suction tube 6 is placed inside the liquid, and the connecting line 21 on the end face of one side of the pulling rod 3 is connected with the sealing ball 20 inside the suction tube 6, and the pulling rod 3 is pulled by the handle 4, so that the connecting line 21 drives the sealing ball 20 to move, and the air in the pipeline is partially sucked out to form a negative pressure. When the air pressure in the tube is lower than the external air pressure, the liquid is sucked into the tube, and the sucked liquid passes through The connecting port 12 enters the interior of the liquid storage tank 9. After sampling is completed, the pull rod 3 is pulled back and pushed, and the sealing ball 20 falls back to play a sealing role. After sampling is completed, the protective tube 7 is pulled down to close the opening and closing plate 14 at the bottom of the protective tube 7, so that the suction tube 6 is in a sealed environment, thereby achieving the effect of leak prevention. This solves the problem that the sampler 1 in the prior art does not have a leak-proof structure, and the bottom part that contacts the liquid after sampling is prone to liquid dripping, thereby causing leakage and pollution. In addition, a connecting column 18 is arranged on the top of the liquid storage tank 9, and the connecting column 18 is threadedly connected to the connecting head 10, which makes it convenient to take the liquid after sampling. At the same time, there is no need to use an external tank body when sampling, and the liquid storage tank 9 is transparent, which is convenient for observing the extraction volume.

[0035] 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 leak-proof sampler for triethylamine production, comprising a sampler (1), wherein the sampler (1) is provided with a tube body (2), a first sealing cover (5) is provided on one end surface of the tube body (2), a plug (11) is provided on one side of the first sealing cover (5), and the first sealing cover (5) is plug-connected to the inside of one side of the tube body (2) via the plug (11); Features: Also includes: A pull-out rod (3) is arranged inside the other side of the tube body (2), a rubber pad (13) is arranged on one end surface of the pull-out rod (3), a handle (4) is arranged on the other end surface of the pull-out rod (3), and the pull-out rod (3) is plug-connected to the inside of the tube body (2); A suction pipe (6) is arranged on one side of the bottom of the tube body (2), the front and rear end surfaces of the suction pipe (6) are both provided with connection grooves (8), a protective tube (7) is installed on the suction pipe (6), an external tube (19) is provided on one end surface of the first sealing cover (5), a sealing ball (20) is provided inside the suction pipe (6), and a connecting line (21) is provided on the sealing ball (20).

2. The anti-leakage sampler for triethylamine production according to claim 1, characterized in that: The front and rear ends of the inner wall of the protection tube (7) are both provided with connection blocks (15), and the protection tube (7) is slidably connected to the connection groove (8) via the connection blocks (15).

3. The anti-leakage sampler for triethylamine production according to claim 1, characterized in that: An opening and closing plate (14) is installed at the bottom end of the interior of the protection tube (7), and two opening and closing plates (14) are installed.

4. The anti-leakage sampler for triethylamine production according to claim 1, characterized in that: The lower surface of the tube body (2) is provided with a connection port (12), and two connection ports (12) are provided.

5. The anti-leakage sampler for triethylamine production according to claim 1, characterized in that: A connector (10) is provided on one side of the suction pipe (6), and a liquid storage tank (9) is provided below the connector (10).

6. The anti-leakage sampler for triethylamine production according to claim 5, characterized in that: The front end surface of the liquid storage tank (9) is provided with scale values ​​(16).

7. The anti-leakage sampler for triethylamine production according to claim 5, characterized in that: A second sealing cover (17) is provided on the upper surface of the liquid storage tank (9), a connecting column (18) is provided on the upper surface of the second sealing cover (17), and the connecting column (18) is connected to the internal thread of the connecting head (10).

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