Sampling protection assembly and fine chemical engineering sampler

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By designing the sampling protection component and fine chemical sampling device for chemical sampling device, the sample sample leakage and lack of refined and quantitative sampling are solved, and the effect of sealing protection and refined quantitative sampling is achieved.

CN222419650UActive Publication Date: 2025-01-28杨鹏飞

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Patent Information

Application Number: CN202420787841.0
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-04-16
Publication Date: 2025-01-28
Estimated Expiration: 2034-04-16

AI Technical Summary

Technical Problem

The existing chemical samplers cannot be effectively sealed after sampling, resulting in leaking samples and lack the function of refined quantitative sampling.

Method used

A sampling protection component is designed, including brackets, miniature waterproof electric push rods, tooth strips, gears, shafts, and sealing lids. The sealing lid is mobilized under the inlet pipe through the micro waterproof electric push rod to achieve sealing protection; The fine chemical sampling device is inhaled into the sample through the miniature negative pressure pump, and the sampling sampling is achieved by the scale line and the drainage pipe.

Benefits of technology

Effectively avoid the problem of sample spraying in the transfer process, and realize the function of refined and quantitative sampling, which improves the reliability and accuracy of the sampling process.

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Abstract

The utility model discloses a sampling protection assembly and a fine chemical engineering sampler, the sampling protection assembly comprises a support, the outer side of the support is fixedly provided with a first miniature waterproof electric push rod, the push end of the first miniature waterproof electric push rod is fixedly connected with a block body, and one side of the block body is fixedly connected with a rack; according to the sampling protection assembly, through the sealing cover capable of overturning and translating on the bracket, after sampling is completed, the sealing cover can perform sealing protection on the liquid inlet pipe on the transparent sampling tank under the action of the first micro waterproof electric push rod and the second micro waterproof electric push rod; therefore, the problem that the sample is easy to leak in the transfer process of the sampler is avoided; according to the fine chemical engineering sampler, the transparent sampling tank is provided with the scale marks and the liquid discharge pipe, so that after a sample is sucked into the transparent sampling tank under the action of the micro negative pressure pump, a worker can discharge the redundant sample through the liquid discharge pipe according to the scale marks, and fine quantitative sampling is facilitated.

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Description

Technical Field

[0001] The utility model relates to the technical field of chemical sampling, in particular to a sampling protection component and a fine chemical sampler. Background Art

[0002] As is known to all, sampling refers to the process of extracting individuals or samples from a population, that is, the process of testing or observing the population. When using a sampler to sample chemical liquids such as polymer solutions, the prior art lacks a function of sealing and leak-proofing the sampled liquid samples, which leads to the problem of sample leakage during the transfer process. In addition, the sampler in the prior art also lacks the function of fine quantitative sampling, which brings inconvenience to the detection work after sampling. For this reason, we propose a sampling protection component and a fine chemical sampler. Utility Model Content

[0003] The purpose of the utility model is to provide a sampling protection component and a fine chemical sampler to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sampling protection component, comprising: a bracket, a first micro-waterproof electric push rod is fixedly installed on the outer side of the bracket, a pushing end of the first micro-waterproof electric push rod is fixedly connected to a block, one side of the block is fixedly connected to a rack, one side of the rack is meshingly connected to a gear, a rotating shaft is fixedly embedded in the interior of the gear, the rotating shaft is rotatably connected to the interior of the bracket, a plate body is fixedly mounted on the rotating shaft, a second micro-waterproof electric push rod is fixedly installed on one side of the plate body, a pushing end of the second micro-waterproof electric push rod is fixedly connected to a fixing plate, and one side of the fixing plate is fixedly connected to a sealing cover.

[0005] By adopting the above technical solution, when the transparent sampling tank absorbs the sample through the liquid inlet tube, the rack can be driven downward by starting the first micro-waterproof electric push rod, so that the gear can rotate ninety degrees under the action of the rack, and then the rotating shaft can drive the sealing cover to move to the bottom of the liquid inlet tube through the second micro-waterproof electric push rod and the fixed plate under the action of the gear. At this time, the second micro-waterproof electric push rod is started, and the second micro-waterproof electric push rod can drive the fixed plate to move upward so that the sealing cover is tightly attached to the port of the liquid inlet tube, thereby preventing the sample from flowing out of the liquid inlet tube.

[0006] Preferably, a rubber pad is fixedly embedded inside the sealing cover.

[0007] By adopting the above technical solution, the sealing effect of the sealing cover on the liquid inlet pipe port can be improved.

[0008] Preferably, a connecting rod is fixedly connected to one side of the bracket, and a handle is fixedly connected to one end of the connecting rod.

[0009] By adopting the above technical solution, the staff can move the bracket through the connecting rod after holding the handle.

[0010] Preferably, a switch group for controlling the operating states of the first miniature waterproof electric push rod and the second miniature waterproof electric push rod respectively is fixedly mounted on the outer side of the handle.

[0011] By adopting the above technical solution, it is convenient for the staff to control the first micro waterproof electric push rod and the second micro waterproof electric push rod on the handle.

[0012] Preferably, the outer side of the fixing plate is fixedly connected to a tube body via a connecting plate, the inside of the tube body is slidably connected to a rod body, and one end of the rod body is fixedly connected to the plate body.

[0013] By adopting the above technical solution, the fixed plate can be kept stable when moving.

[0014] Preferably, a sliding groove is provided on the outer side of the bracket, and a sliding block is slidably connected to the inner side wall of the sliding groove, and one side of the sliding block is fixedly connected to the block.

[0015] By adopting the above technical solution, the rack can be kept stable when moving.

[0016] In addition, a fine chemical sampler is also provided, comprising a transparent sampling tank fixedly connected to a bracket, the bottom end of the transparent sampling tank being connected to a liquid inlet pipe, the top of the transparent sampling tank being fixedly connected to a baffle, a micro negative pressure pump being fixedly installed on the top of the baffle, an air inlet of the micro negative pressure pump being connected to the interior of the transparent sampling tank, a discharge pipe being fixedly embedded in the interior of the baffle, one end of the discharge pipe being connected to the interior of the transparent sampling tank, a valve being fixedly installed on the discharge pipe, and scale lines being fixedly provided on the outer side wall of the transparent sampling tank.

[0017] By adopting the above technical scheme, negative pressure can be generated inside the transparent sampling tank by starting the micro negative pressure pump, and then the transparent sampling tank drives the liquid inlet tube to be inserted into the chemical liquid, so that the liquid sample can be sucked into the transparent sampling tank through the liquid inlet tube, and after the sampling is completed, the micro negative pressure pump can be turned off first, and then the transparent sampling tank can be inverted, so that the staff can open the valve to discharge the excess sample through the discharge pipe with reference to the scale line, so that the transparent sampling tank can accurately retain a specified amount of sample.

[0018] Preferably, the air outlet of the micro negative pressure pump is connected to an air outlet pipe.

[0019] By adopting the above technical solution, it is possible to facilitate the discharge of gas from the micro negative pressure pump.

[0020] In summary, the present application includes at least one of the following beneficial technical effects:

[0021] The sampling protection component has a sealing cover that can be flipped and translated on the bracket, so that after the sampling is completed, the sealing cover can be used to seal and protect the liquid inlet tube on the transparent sampling tank under the action of the first micro-waterproof electric push rod and the second micro-waterproof electric push rod, thereby avoiding the problem of sample leakage during the transfer of the sampler; in addition, the fine chemical sampler has scale lines and discharge tubes respectively set on the transparent sampling tank, so that after the sample is sucked into the transparent sampling tank under the action of the micro-negative pressure pump, the staff can refer to the scale lines to discharge the excess sample through the discharge tube, thereby facilitating fine quantitative sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of the sampling protection component and the fine chemical sampler of the utility model;

[0023] Figure 2 It is an enlarged schematic diagram of area A of the structural schematic diagram of the sampling protection component and the fine chemical sampler of the utility model;

[0024] Figure 3 It is an enlarged schematic diagram of area B of the structural schematic diagram of the sampling protection component and the fine chemical sampler of the utility model;

[0025] Figure 4 The utility model is a schematic diagram of the structure of the sampling protection component and the bracket and the transparent sampling tank in the fine chemical sampler.

[0026] In the figure: 1. bracket; 10. first micro waterproof electric push rod; 11. rack; 12. rotating shaft; 13. plate body; 14. gear; 15. block body; 16. second micro waterproof electric push rod; 17. fixing plate; 18. sealing cover; 19. rubber pad; 101. connecting plate; 102. tube body; 103. rod body; 104. connecting rod; 105. handle; 106. switch group; 107. slide groove; 108. slider; 2. transparent sampling tank; 20. liquid inlet pipe; 21. baffle; 22. micro negative pressure pump; 23. discharge pipe; 24. outlet pipe; 25. valve; 26. scale line. DETAILED DESCRIPTION

[0027] 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.

[0028] See also Figure 1-Figure 4 ,This embodiment provides a technical solution: a sampling protection component, comprising: a bracket 1;

[0029] Firstly, in order to enable the rack 11 to move downward by starting the first micro-waterproof electric push rod 10 after the transparent sampling tank 2 absorbs the sample through the liquid inlet tube 20, so that the gear 14 can rotate ninety degrees under the action of the rack 11, and then the shaft 12 can drive the sealing cover 18 to move to the bottom of the liquid inlet tube 20 through the second micro-waterproof electric push rod 16 and the fixing plate 17 under the action of the gear 14, at this time, the second micro-waterproof electric push rod 16 is started, and the second micro-waterproof electric push rod 16 can drive the fixing plate 17 to move upward so that the sealing cover 18 is tightly attached to the port of the liquid inlet tube 20, thereby preventing the sample from being sucked into the transparent sampling tank 20. The liquid flows out from the liquid inlet pipe 20; a first micro waterproof electric push rod 10 is fixedly installed on the outer side of the bracket 1, and a block 15 is fixedly connected to the pushing end of the first micro waterproof electric push rod 10, a rack 11 is fixedly connected to one side of the block 15, and a gear 14 is meshedly connected to one side of the rack 11, and a rotating shaft 12 is fixedly embedded inside the gear 14, and the rotating shaft 12 is rotatably connected to the inside of the bracket 1, and a plate 13 is fixedly sleeved on the rotating shaft 12, and a second micro waterproof electric push rod 16 is fixedly installed on one side of the plate 13, and a fixed plate 17 is fixedly connected to the pushing end of the second micro waterproof electric push rod 16, and a sealing cover 18 is fixedly connected to one side of the fixed plate 17;

[0030] Secondly, in order to improve the sealing effect of the sealing cover 18 on the port of the liquid inlet pipe 20, a rubber pad 19 is fixedly embedded in the sealing cover 18; in order to enable the staff to move the bracket 1 through the connecting rod 104 after holding the handle 105, one side of the bracket 1 is fixedly connected to the connecting rod 104, and one end of the connecting rod 104 is fixedly connected to the handle 105; in order to facilitate the staff to control the first micro waterproof electric push rod 10 and the second micro waterproof electric push rod 16 on the handle 105, the outer side of the handle 105 is fixedly installed with a plurality of connecting rods for respectively controlling the first micro waterproof electric push rod 10 and the second micro waterproof electric push rod 16. A switch group 106 for controlling the operating states of the waterproof electric push rod 10 and the second micro waterproof electric push rod 16; in order to keep the fixed plate 17 stable when moving, the outer side of the fixed plate 17 is fixedly connected to the tube body 102 through the connecting plate 101, the inner side of the tube body 102 is slidably connected to the rod body 103, and one end of the rod body 103 is fixedly connected to the plate body 13; in order to keep the rack 11 stable when moving, a slide groove 107 is opened on the outer side of the bracket 1, and a slider 108 is slidably connected to the inner side wall of the slide groove 107, and one side of the slider 108 is fixedly connected to the block 15;

[0031] It should be noted that the models of the first waterproof miniature electric linear actuator 10 and the second waterproof miniature electric linear actuator 16 are both SD.

[0032] In addition, this embodiment also provides a fine chemical sampler, including a transparent sampling tank 2 fixedly connected to a bracket 1;

[0033] First, in order to generate negative pressure inside the transparent sampling tank 2 by starting the micro negative pressure pump 22, and then insert the transparent sampling tank 2 into the chemical liquid by driving the liquid inlet pipe 20, so that the liquid sample can be sucked into the transparent sampling tank 2 through the liquid inlet pipe 20, and after the sampling is completed, the micro negative pressure pump 22 can be turned off first, and then the transparent sampling tank 2 is inverted, so that the staff can discharge the excess sample through the discharge pipe 23 by opening the valve 25 and referring to the scale line 26, so that the transparent sampling tank is 2 can precisely retain a specified amount of sample; the bottom end of the transparent sampling tank 2 is connected with a liquid inlet pipe 20, the top of the transparent sampling tank 2 is fixedly connected with a baffle 21, the top of the baffle 21 is fixedly installed with a micro negative pressure pump 22, the air inlet of the micro negative pressure pump 22 is connected with the interior of the transparent sampling tank 2, the baffle 21 is fixedly embedded with a drain pipe 23, one end of the drain pipe 23 is connected with the interior of the transparent sampling tank 2, a valve 25 is fixedly installed on the drain pipe 23, and a scale line 26 is fixedly provided on the outer wall of the transparent sampling tank 2;

[0034] Secondly, in order to facilitate the discharge of gas from the micro negative pressure pump 22 , the gas outlet of the micro negative pressure pump 22 is connected to an outlet pipe 24 .

[0035] It should be noted that the model of the micro negative pressure air pump is HXB04-DCB-4.

[0036] According to the above technical scheme, the working steps of this scheme are summarized and sorted out: when in use, negative pressure is first generated inside the transparent sampling tank 2 by starting the micro negative pressure pump 22, and then the transparent sampling tank 2 drives the liquid inlet pipe 20 to be inserted into the chemical liquid, so that the liquid sample can be sucked into the transparent sampling tank 2 through the liquid inlet pipe 20; at this time, the rack 11 is driven to move downward by starting the first micro waterproof electric push rod 10, so that the gear 14 can rotate 90 degrees under the action of the rack 11, and then the shaft 12 can pass through the second micro waterproof electric push rod under the action of the gear 14. 16 and the fixing plate 17 drive the sealing cover 18 to move to the bottom of the liquid inlet pipe 20, and then start the second micro waterproof electric push rod 16. The second micro waterproof electric push rod 16 can drive the fixing plate 17 to move upward so that the sealing cover 18 is tightly attached to the port of the liquid inlet pipe 20, thereby preventing the sample from flowing out of the liquid inlet pipe 20; turn off the micro negative pressure pump 22, and then invert the transparent sampling tank 2, so that the staff can open the valve 25 to discharge the excess sample through the discharge pipe 23 with reference to the scale line 26, so that the transparent sampling tank 2 can accurately retain the specified amount of sample.

[0037] In summary: the sampling protection component uses a sealing cover 18 that can be flipped and translated on the bracket 1, so that after the sampling is completed, the sealing cover 18 can seal and protect the liquid inlet tube 20 on the transparent sampling tank 2 under the action of the first micro-waterproof electric push rod 10 and the second micro-waterproof electric push rod 16, thereby avoiding the problem of sample leakage during the transfer of the sampler; in addition, the fine chemical sampler is provided with scale lines 26 and a discharge pipe 23 on the transparent sampling tank 2, so that after the sample is sucked into the transparent sampling tank 2 under the action of the micro-negative pressure pump 22, the staff can refer to the scale lines 26 to discharge the excess sample through the discharge pipe 23, thereby facilitating fine quantitative sampling.

[0038] Parts not involved in the present invention are the same as the prior art or can be implemented by the prior art. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A sampling protection component, characterized in that: include: A bracket (1), wherein a first micro waterproof electric push rod (10) is fixedly mounted on the outer side of the bracket (1), a pushing end of the first micro waterproof electric push rod (10) is fixedly connected to a block (15), a rack (11) is fixedly connected to one side of the block (15), a gear (14) is meshingly connected to one side of the rack (11), a rotating shaft (12) is fixedly embedded inside the gear (14), the rotating shaft (12) is rotatably connected to the inside of the bracket (1), a plate (13) is fixedly mounted on the rotating shaft (12), a second micro waterproof electric push rod (16) is fixedly mounted on one side of the plate (13), a pushing end of the second micro waterproof electric push rod (16) is fixedly connected to a fixing plate (17), and a sealing cover (18) is fixedly connected to one side of the fixing plate (17).

2. The sampling protection assembly according to claim 1, characterized in that: A rubber pad (19) is fixedly embedded inside the sealing cover (18).

3. The sampling protection assembly according to claim 1, characterized in that: A connecting rod (104) is fixedly connected to one side of the bracket (1), and a handle (105) is fixedly connected to one end of the connecting rod (104).

4. The sampling protection assembly according to claim 3, characterized in that: A switch group (106) for controlling the operating states of the first waterproof micro electric push rod (10) and the second waterproof micro electric push rod (16) is fixedly mounted on the outer side of the handle (105).

5. The sampling protection assembly according to claim 1, characterized in that: The outer side of the fixed plate (17) is fixedly connected to a tube body (102) via a connecting plate (101), the interior of the tube body (102) is slidably connected to a rod body (103), and one end of the rod body (103) is fixedly connected to the plate body (13).

6. The sampling protection assembly according to claim 3, characterized in that: A sliding groove (107) is provided on the outer side of the bracket (1), and a sliding block (108) is slidably connected to the inner side wall of the sliding groove (107), and one side of the sliding block (108) is fixedly connected to the block (15).

7. Fine chemical sampler, characterized in that, The invention comprises a transparent sampling tank (2) fixedly connected to a bracket (1), wherein the bottom end of the transparent sampling tank (2) is connected to a liquid inlet pipe (20), the top of the transparent sampling tank (2) is fixedly connected to a baffle (21), a micro negative pressure pump (22) is fixedly installed on the top of the baffle (21), an air inlet of the micro negative pressure pump (22) is connected to the interior of the transparent sampling tank (2), a liquid discharge pipe (23) is fixedly embedded in the interior of the baffle (21), one end of the liquid discharge pipe (23) is connected to the interior of the transparent sampling tank (2), a valve (25) is fixedly installed on the liquid discharge pipe (23), and a scale line (26) is fixedly provided on the outer wall of the transparent sampling tank (2).

8. The fine chemical sampler according to claim 7, characterized in that: The air outlet of the micro negative pressure pump (22) is connected to an air outlet pipe (24).