Leak-proof closed sampler
By designing a leak-proof, sealed sampler and employing a quick-connect plug and leak-proof mechanism, the problem of sample leakage was solved, enabling a safe and accurate sampling process and ensuring sample integrity and the reliability of analysis results.
Patent Information
- Application Number
- CN202520139405.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing leak-proof sealed samplers cannot effectively prevent the risk of sample leakage during use, which may lead to environmental pollution and health hazards, and affect the accuracy of analytical results.
A leak-proof, sealed sampler was designed, employing a quick-connect plug and a leak-proof mechanism, combined with a sealing gasket, fastening ring, and adjustment mechanism to ensure sealing during sampling. Rapid sampling and leak prevention are achieved through precise control of the needle valve's opening and closing.
It achieves airtightness and leak-proof function during the sampling process, ensuring that the sample is not contaminated by the outside world, avoiding sample leakage, reducing the risk of environmental pollution and health hazards, and improving the accuracy of analysis results.
Smart Images

Figure CN223796306U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a sampler technical field, concretely relates to a kind of leak-proof type closed sampler. BACKGROUND
[0002] A kind of leak-proof type closed sampler is mainly used in the field in industrial production, laboratory analysis, environmental monitoring, to liquid, gas or other medium carries out safe, accurate and leak-free sampling, in chemical industry, petroleum, pharmaceutical industry, for the material in reaction kettle, storage tank, pipeline is sampled, to ensure product quality and process control, for the intermediate product, semi-finished product or finished product in production process is sampled analysis, so as to timely adjust production process, in scientific research institution, university laboratory, for the sampling of various liquid samples, so as to carry out chemical, physical, biological analysis, leak-proof type closed sampler is an important sampling tool, widely used in various fields, to ensure the accuracy and safety of sample;
[0003] Chinese patent authorized announcement No. CN221674333U, name is sampler, including the first liquid storage cylinder with inlet and outlet, the second liquid storage cylinder with the diameter greater than the first liquid storage cylinder is connected with the first liquid storage cylinder upper end, the first piston is slidably connected in the first liquid storage cylinder, the second piston is slidably connected in the second liquid storage cylinder, the first piston rod is fixedly connected with the first piston, and the second piston rod is fixedly connected with the second piston. The utility model discloses by setting the inlet and outlet with larger diameter and the first liquid storage cylinder, the caliber of the first liquid storage cylinder and the second liquid storage cylinder entrance is increased, liquid is not pressed, prevent the air bubble generated when viscous liquid enters the first liquid storage cylinder and the second liquid storage cylinder, prevent viscous liquid mixed with air bubble;
[0004] The above scheme has the following disadvantages: although the above scheme can prevent viscous liquid mixed with air bubble, but cannot avoid the risk of sample leakage when in use, if liquid or harmful substances are leaked, it may pollute soil, water or air, cause damage to ecological environment, toxic or harmful substances leaked may cause direct harm to human health, sample leakage may affect the integrity of sample, lead to inaccurate analysis results, thereby affecting decision-making process. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of leak-proof type closed sampler, to solve the technical problems in prior art that cannot avoid the risk of sample leakage when in use, if liquid or harmful substances are leaked, it may pollute soil, water or air, cause damage to ecological environment, toxic or harmful substances leaked may cause direct harm to human health, sample leakage may affect the integrity of sample, lead to inaccurate analysis results, thereby affecting decision-making process.
[0006] The technical problems to be solved by the utility model can be solved by the following technical solutions.
[0007] A leak-proof closed sampler, comprising a sampling bottle;
[0008] The sampling bottle is connected with a mounting frame, the mounting frame is communicated with the sampling bottle, a detection soft plate is connected in the mounting frame, connecting mechanisms are connected at both ends of the sampling bottle, the connecting mechanisms comprise two connecting pieces, the two connecting pieces are connected at the end portions of the sampling bottle, and one connecting pipe and another connecting pipe are connected at the ends of the two connecting pieces away from the sampling bottle.
[0009] A needle valve one is connected on the connecting pipe one, the needle valve one is an inlet valve, an interface one is connected at the end of the connecting pipe one away from the sealing element, and a quick plug one is connected at the end of the interface one away from the connecting pipe one.
[0010] A needle valve two is connected on the connecting pipe two, the needle valve two is an outlet valve, an interface two is connected at the end of the connecting pipe two away from the sealing element, and a quick plug two is connected at the end of the interface two away from the connecting pipe two, and the quick plug one and the quick plug two are connected with air leakage prevention mechanisms.
[0011] As a further scheme of the utility model, the detection soft plate is a rubber plate.
[0012] As a further scheme of the utility model, the connecting pipe one and one end connecting piece are connected with a sealing element, and the connecting pipe two and the other end connecting piece are connected with a sealing element.
[0013] As a further scheme of the utility model, the sealing element is an O-shaped ring.
[0014] As a further scheme of the utility model, the quick plug one and the quick plug two are hydraulic quick plugs.
[0015] As a further scheme of the utility model, the air leakage prevention mechanism comprises a sealing gasket and two fastening rings, the sealing gasket is slidably connected on the quick plug one and the quick plug two, a hinge is connected between the two fastening rings, the fastening rings are connected on the outer periphery of the sealing gasket, and an adjusting mechanism is connected between the two fastening rings.
[0016] As a further scheme of the utility model, the sealing gasket is a rubber gasket.
[0017] As a further scheme of the utility model, the fastening ring is a semicircular structure.
[0018] As a further scheme of the utility model: the adjusting mechanism includes two connecting frames, two connecting frames are connected at the end of the fastening ring respectively, the plug-in plate is slidably inserted on each connecting frame, the circular head is connected on the plug-in plate, the double head screw rod is connected between two circular heads, the nut is arranged on the double head screw rod.
[0019] As a further scheme of the utility model: the plug-in block is arranged on the plug-in plate, the connecting frame and the plug-in plate are slidably connected through the block.
[0020] The utility model discloses beneficial effect has:
[0021] 1, the utility model discloses a quick plug one and quick plug two are connected to the sampling port that needs sampling, open the sampling valve of sampling port, and the sample flows into the sampling bottle from the sampling port through needle valve one, and needle valve two controls the sample to flow out from the sampling bottle, and the whole airtight sampler is replaced, after replacement, after replacement, close needle valve two, then close needle valve one, finally close the sampling valve, and the sampling bottle is full of the sample that needs to be collected, after closing the sampling valve, can quickly pull down quick plug one and quick plug two, reduce the time of sample staying in the sampler, reduce the risk of leakage, reduce the possibility that the sample is contaminated or leaks.
[0022] 2, the utility model discloses that the sealing gasket is used to provide initial sealing and prevent gas or liquid leakage, and the adjusting mechanism can be conveniently disassembled through the connecting frame and the plug-in plate, the sealing property of the sealing gasket is adjusted, so that leakage does not occur in the quick plug operation, the nut is rotated to drive the double head screw rod to adjust the tightness of the two fastening rings, so that the stability of the quick plug is ensured during sampling, the nut is rotated to drive the double head screw rod, the tightness of the fastening ring can be adjusted, so that the stability of the quick plug is ensured, and proper fastening can prevent the quick plug from loosening during sampling, so that leakage and sampling failure are avoided. DRAWINGS
[0023] The utility model will be further described in connection with the drawings.
[0024] Fig. 1 It is the whole structure schematic diagram of the utility model;
[0025] Fig. 2 It is the structure schematic diagram of the leakage prevention mechanism in the utility model;
[0026] Fig. 3 It is the structure schematic diagram of the adjusting mechanism in the utility model.
[0027] In the figure: 1, sample bottle; 2, connecting piece; 3, sealing piece; 4, connecting pipe one; 5, needle valve one; 6, interface one; 7, quick plug one; 8, needle valve two; 9, mounting frame; 10, quick plug two; 11, interface two; 12, sealing gasket; 13, fastening ring; 14, connecting frame; 15, nut; 16, double-end screw; 17, plug-in plate; 18, round head; 19, connecting pipe two. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0029] As Figs. 1-3 shown, a kind of leakage-proof type closed sampler, including sample bottle 1, the mounting frame 9 is connected on the sample bottle 1, the mounting frame 9 is connected with sample bottle 1, the mounting frame 9 is connected in probe soft board, the probe soft board is rubber plate, the sample bottle 1 both ends are connected with connecting mechanism, the connecting mechanism includes two connecting pieces 2, two described connecting pieces 2 are connected in the end of sample bottle 1, the end of two described connecting pieces 2 is connected with connecting pipe one 4 and connecting pipe two 19 respectively, connecting pipe one 4 is connected with the sealing piece 3 between one end connecting piece 2, connecting pipe two 19 is connected with the sealing piece 3 between other end connecting piece 2, the sealing piece 3 is o-ring;
[0030] Connecting pipe one 4 is connected with needle valve one 5, needle valve one 5 is import valve, the end of connecting pipe one 4 away from sealing piece 3 is connected with interface one 6, the end of interface one 6 away from connecting pipe one 4 is connected with quick plug one 7, quick plug one 7 is hydraulic quick plug;
[0031] Connecting pipe two 19 is connected with needle valve two 8, needle valve two 8 is export valve, the end of connecting pipe two 19 away from sealing piece 3 is connected with interface two 11, the end of interface two 11 away from connecting pipe two 19 is connected with quick plug two 10, quick plug two 10 is hydraulic quick plug;
[0032] The quick plug one 7 and the quick plug two 10 are connected with air leakage prevention mechanisms, the air leakage prevention mechanisms comprise sealing pads 12 and two fastening rings 13, the sealing pad 12 is a rubber pad, the sealing pad 12 is slidably connected on the quick plug one 7 and the quick plug two 10, the two fastening rings 13 are connected with a hinge, the fastening ring 13 is connected on the outer periphery of the sealing pad 12, the fastening ring 13 is a semicircular structure, the two fastening rings 13 are connected with an adjusting mechanism, the adjusting mechanism comprises two connecting frames 14, the two connecting frames 14 are respectively connected on the end portions of the fastening rings 13, a plug-in plate 17 is slidably inserted on each connecting frame 14, the plug-in plate 17 is provided with a plug-in protrusion, the connecting frame 14 and the plug-in plate 17 are connected through the protrusion sliding connection, the plug-in plate 17 is connected with a circular head 18, the two circular heads 18 are connected with a double-head screw rod 16, and the double-head screw rod 16 is provided with a nut 15.
[0033] The working principle of the utility model is: the purpose of the design is to safely and effectively collect samples in the sampling process, prevent leakage, the sampling bottle 1 is a container for collecting samples, in use, the quick plug one 7 and the quick plug two 10 are connected to the sampling port needing sampling, the sampling valve of the sampling port is opened, the sample is allowed to flow into the sampling bottle 1, needle valve one 5 (inlet valve) and needle valve two 8 (outlet valve) are sequentially opened, the sample flows into the sampling bottle 1 from the sampling port through needle valve one 5, and needle valve two 8 controls the sample to flow out of the sampling bottle 1, the whole closed sampler is replaced, the original substance in the sampler is replaced with a new sample, to ensure that the sample in the sampling bottle 1 is pure, after replacement is completed, needle valve two 8 is closed, then needle valve one 5 is closed, and finally the sampling valve is closed, the sampling bottle 1 is filled with the sample needing to be collected, after the sampling valve is closed, the quick plug one 7 and the quick plug two 10 can be quickly pulled off, so that the sampling operation can be quickly completed, the risk of leakage is reduced, the moisture is measured through the detection needle inserted into the detection soft plate in the mounting frame 9, the sealing pad 12 is used for providing initial sealing to prevent gas or liquid leakage, the connecting frame 14 and the plug-in plate 17 can be used for conveniently disassembling the adjusting mechanism, the sealing property of the sealing pad 12 is finely adjusted, so that leakage does not occur in the quick plug and pull operation, the nut 15 is rotated to drive the double-head screw rod 16 to adjust the tightness of the two fastening rings 13, and the stability of the quick plug in the sampling process is ensured.
[0034] The whole sampling process realizes the closed property and the anti-leakage function in the sampling process through accurate control of the opening and closing of the needle valve and the sampling valve, and the use of the air leakage prevention mechanism and the quick plug and pull technology, the collected sample is ensured not to be polluted by the outside world, and any leakage risk in the sampling process is avoided.
[0035] The above has carried out the detailed explanation to one embodiment of the utility model, but the content is only the preferred embodiment of the utility model, cannot be considered for limiting the implementation scope of the utility model. All equal changes and improvements etc. that are made in the utility model application scope should still belong to the patent coverage scope of the utility model.
Claims
1. A leak-proof sealed sampler, comprising a sampling bottle (1); characterized in that: The sampling bottle (1) is connected to an installation frame (9), which is connected to the sampling bottle (1). A detection soft plate is connected inside the installation frame (9). Both ends of the sampling bottle (1) are connected to a connecting mechanism. The connecting mechanism includes two connecting parts (2). The two connecting parts (2) are respectively connected to the ends of the sampling bottle (1). The ends of the two connecting parts (2) away from the sampling bottle (1) are respectively connected to a connecting tube one (4) and a connecting tube two (19). A needle valve (5) is connected to the connecting pipe (4), the needle valve (5) is an inlet valve, and an interface (6) is connected to the end of the connecting pipe (4) away from the seal (3), and a quick plug (7) is connected to the end of the interface (6) away from the connecting pipe (4). A needle valve (8) is connected to the second connecting pipe (19). The needle valve (8) is an outlet valve. An interface (11) is connected to the end of the second connecting pipe (19) away from the seal (3). A quick plug (10) is connected to the end of the interface (11) away from the second connecting pipe (19). Both the first quick plug (7) and the second quick plug (10) are connected to a leak-proof mechanism.
2. The leak-proof sealed sampler according to claim 1, characterized in that, The detection board is a rubber board.
3. The leak-proof sealed sampler according to claim 1, characterized in that, A sealing element (3) is connected between the first connecting pipe (4) and one end connecting piece (2), and a sealing element (3) is connected between the second connecting pipe (19) and the other end connecting piece (2).
4. A leak-proof sealed sampler according to claim 3, characterized in that, The sealing element (3) is an O-ring.
5. A leak-proof sealed sampler according to claim 1, characterized in that, Both quick-connector one (7) and quick-connector two (10) are hydraulic quick-connectors.
6. A leak-proof sealed sampler according to claim 1, characterized in that, The air leakage prevention mechanism includes a sealing gasket (12) and two fastening rings (13). The sealing gasket (12) is slidably connected to quick plug one (7) and quick plug two (10). A hinge is connected between the two fastening rings (13). The fastening rings (13) are connected to the outer periphery of the sealing gasket (12). An adjustment mechanism is connected between the two fastening rings (13).
7. A leak-proof sealed sampler according to claim 6, characterized in that, The sealing gasket (12) is a rubber gasket.
8. A leak-proof sealed sampler according to claim 6, characterized in that, The fastening ring (13) has a semi-circular structure.
9. A leak-proof sealed sampler according to claim 6, characterized in that, The adjustment mechanism includes two connecting frames (14), which are respectively connected to the ends of the fastening ring (13). Each connecting frame (14) has a slidably inserted plug plate (17), and a circular head (18) is connected to the plug plate (17). A double-headed screw (16) is connected between the two circular heads (18), and a nut (15) is provided on the double-headed screw (16).
10. A leak-proof sealed sampler according to claim 9, characterized in that, The plug plate (17) is provided with plug-in protrusions, and the connecting frame (14) and the plug plate (17) are slidably connected through the protrusions.
Citation Information
Patent Citations
Sampler
CN221674333U