Sampling device for pharmaceutical analysis

Abstract

The utility model relates to the technical field of medicine analysis, and discloses a sampling device for medicine analysis, which comprises a collecting component and an air suction component connected onto the collecting component, the collecting component comprises a sampling bottle, a collecting port is arranged at the bottom of the sampling bottle, a fixing frame is fixedly connected onto the inner wall of the sampling bottle, and a sealing cylinder is fixedly connected onto the fixing frame. According to the utility model, the air suction assembly and the collection assembly are designed in a split manner, so that a sample is collected, the collection bottle and the sampling bottle are designed in an integrated manner by the collection assembly, and the collection bottle and the sampling bottle can be separated from each other, so that the collection and sampling effects are improved. According to the sampling and collecting device, one-time operation of sampling and collecting is achieved, pollution to samples is reduced, when different samples need to be collected, only the collecting assembly needs to be replaced, repeated cleaning is not needed, and the working efficiency of workers is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a medicine analysis technical field, specifically a sampling device for medicine analysis. BACKGROUND

[0002] Medicine analysis is a subject that uses chemical, physical, biological and microbiological methods and techniques to study the chemical inspection, medicine stability, bioavailability, medicine clinical monitoring and qualitative and quantitative determination of effective components of Chinese herbal medicine of medicine, which includes chemical inspection of medicine finished products, quality control of medicine production process, quality investigation of medicine storage process, clinical medicine analysis, in-vivo medicine analysis and the like.

[0003] In the medicine analysis, the titration device is used for sampling, and the titration device in the prior art still has some problems in use, before sampling of various medical drugs, researchers are often inconvenient to disassemble and clean the device, so that the sampled sample is easily contaminated, which affects the analysis work of subsequent researchers. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a sampling device for medicine analysis to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A sampling device for medicine analysis, comprising a collection assembly and an air suction assembly connected to the collection assembly, the collection assembly comprising a sampling bottle, the bottom of the sampling bottle being provided with a collection port, the inner wall of the sampling bottle being fixedly connected with a fixing frame, the fixing frame being fixedly connected with a sealing cylinder, the sealing cylinder being slidably connected with a connecting rod, one end of the connecting rod being fixedly connected with a sealing plug, the sealing plug being slidably connected with the collection port, the connecting rod being provided with an air suction port, the air suction port being provided with a ventilation hole, the ventilation hole and the sealing cylinder being matched with each other, the connecting rod penetrating through the sampling bottle and being fixedly connected with a connecting screw head, the air suction assembly comprising an air suction cylinder, the bottom of the air suction cylinder being fixedly connected with a connecting head, the connecting head being provided with a threaded connection hole, the threaded connection hole being threadedly connected with the connecting screw head, the connecting head being fixedly connected with a limiting plate, the top of the sampling bottle being fixedly connected with a limiting block, the limiting block and the limiting plate being matched with each other.

[0007] As a further scheme of the utility model: the connecting rod is fixedly connected with a stop block, the sealing cylinder is fixedly connected with a fixing plate, and a spring is arranged on the connecting rod between the fixing plate and the stop block.

[0008] As a further scheme of the utility model: the threaded connection hole is provided with a sealing ring.

[0009] As a further scheme of the utility model: the piston rod is fixedly connected with a pull ring on one end outside the air suction cylinder.

[0010] As a further scheme of the utility model: the piston rod is fixedly connected with a pull ring on one end outside the air suction cylinder.

[0011] Compared with the prior art, the utility model has the advantages that: the air suction assembly and the collection assembly are designed in a split type, so that the sample is collected, and the collection assembly is integrally designed with the collecting bottle and the sampling bottle, so that one-time operation of sampling and collecting is realized, the pollution of the sample is reduced, when different samples need to be collected, the collection assembly only needs to be replaced, repeated cleaning is not needed, and the work efficiency of the staff is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a structure schematic view of the air suction assembly in the sampling device for drug analysis in the utility model.

[0013] Fig. 2 It is a structure schematic view of the collection assembly in the sampling device for drug analysis in the utility model.

[0014] Fig. 3 It is an internal structure schematic view of the air suction assembly in the sampling device for drug analysis in the utility model.

[0015] Fig. 4 It is an internal structure schematic view of the collection assembly in the sampling device for drug analysis in the utility model.

[0016] Fig. 5 It is a sectional view of the air suction assembly in the sampling device for drug analysis in the utility model.

[0017] Fig. 6 It is a sectional view of the collection assembly in the sampling device for drug analysis in the utility model.

[0018] In the drawing: 1 - sampling bottle, 2 - collection port, 3 - fixing frame, 4 - sealing cylinder, 5 - connecting rod, 6 - sealing plug, 7 - stop block, 8 - fixed plate, 9 - spring, 10 - air suction port, 11 - vent hole, 12 - connecting screw head, 13 - limiting block, 14 - air suction cylinder, 15 - piston rod, 16 - pull ring, 17 - air plug, 18 - connecting head, 19 - limiting plate, 20 - threaded connection hole, 21 - sealing ring. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0020] Referring to Figs. 1-6The utility model discloses an embodiment of a kind of sampling device for pharmaceutical analysis, including acquisition component and suction component being connected on acquisition component, the acquisition component includes sampling bottle 1, sampling bottle 1 bottom is provided with collection port 2, fixedly connected with fixed frame 3 on sampling bottle 1 inner wall, fixedly connected with sealing cylinder 4 on fixed frame 3, slidingly connected with connecting rod 5 in sealing cylinder 4, one end of connecting rod 5 is fixedly connected with sealing plug 6, sealing plug 6 is slidingly connected with collection port 2, suction port 10 is arranged in connecting rod 5, air hole 11 is arranged in suction port 10, air hole 11 and sealing cylinder 4 are mutually matched, connecting rod 5 passes through sampling bottle 1 and is fixedly connected with connecting screw head 12, the suction component includes suction cylinder 14, suction cylinder 14 bottom is fixedly connected with connecting head 18, connecting head 18 is provided with threaded connection hole 20, threaded connection hole 20 is screwed with connecting screw head 12, connecting head 18 is fixedly connected with limit plate 19, sampling bottle 1 top is fixedly connected with limit block 13, limit block 13 and limit plate 19 are mutually matched, the utility model first inserts connecting screw head 12 into threaded connection hole 20, and screw sampling bottle 1 to tighten connecting screw head 12 to threaded connection hole 20, and with the tightening of connecting screw head 12, connecting screw head 12 gradually goes deeper into threaded connection hole 20, at this time, the utility model first limits the relative position between sampling bottle 1 and suction cylinder 14 through the mutual cooperation of limit plate 19 and limit block 13, and connecting screw head 12 is gradually going deeper into threaded connection hole 20, at this time, connecting rod 5 is pulled out from sampling bottle 1 by sealing plug 6, at this time, connecting rod 5 first pulls out sealing plug 6 from collection port 2, to open collection port 2, while connecting rod 5 pulls out air hole 11 from sealing cylinder 4, to open air hole 11, at this time, sampling bottle 1 and suction cylinder 14 are communicated with each other through suction port 10, after connection, collection port 2 is inserted into drug solution, then the gas in sampling bottle 1 is sucked through suction component, and then the drug solution is sucked into sampling bottle 1 through the pressure difference, to complete the collection of drug, after collection is completed, sampling bottle 1 is rotated into suction cylinder 14, at this time, sealing plug 6 is inserted into collection port 2 again under the elastic pushing of spring 9, to seal collection port 2 again, while air hole 11 is also retracted into sealing cylinder 4 under the driving of connecting rod 5, to seal air hole 11 again, at this time, the drug solvent can be sealed into sampling bottle 1, to prevent the secondary pollution of drug solution, then a new set of sampling bottle 1 is installed on suction cylinder 14, to sample again, and when drug needs to be taken out, sampling bottle 1 is installed on suction cylinder 14 again, and the gas is injected into sampling bottle 1 through suction component, to take out the drug solvent.

[0021] In one case of the embodiment, please refer to Figs. 1-6The connecting rod 5 is fixedly connected with a stopper 7, the sealing cylinder 4 is fixedly connected with a fixed plate 8, and a spring 9 is arranged on the connecting rod 5 between the fixed plate 8 and the stopper 7, the spring 9 is arranged to elastically push the stopper 7, the stopper 7 drives the connecting rod 5 to elastically extend, and then the sealing plug 6 is elastically inserted into the collecting port 2.

[0022] In one case of the embodiment, please refer to Figs. 1-6 The threaded hole 20 is provided with a sealing ring 21, and the sampling bottle 1 and the suction cylinder 14 are sealingly connected through the sealing ring 21.

[0023] In one case of the embodiment, please refer to Figs. 1-6 The piston rod 15 is slidingly connected in the suction cylinder 14, one end of the piston rod 15 arranged in the suction cylinder 14 is fixedly connected with an air plug 17, and the other end of the piston rod 15 arranged outside the suction cylinder 14 is fixedly connected with a pull ring 16, the piston rod 15 is driven to extend and retract by pulling the pull ring 16, the piston rod 15 drives the air plug 17 to move in the suction cylinder 14, and then the air in the sampling bottle 1 is sucked through the movement of the air plug 17, or the air is filled into the sampling bottle 1.

[0024] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model, therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure reference in the claims should not be regarded as limiting the claims.

[0025] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A sampling device for pharmaceutical analysis, characterized by, The application relates to a sampling device, which comprises a sampling assembly and an air suction assembly connected to the sampling assembly, the sampling assembly comprises a sampling bottle, the bottom of the sampling bottle is provided with a sampling port, a fixed frame is fixedly connected to the inner wall of the sampling bottle, a sealing cylinder is fixedly connected to the fixed frame, a connecting rod is slidably connected to the sealing cylinder, a sealing plug is fixedly connected to one end of the connecting rod, the sealing plug is slidably connected to the sampling port, an air suction port is arranged in the connecting rod, a ventilation hole is arranged in the air suction port, the ventilation hole and the sealing cylinder are matched with each other, the connecting rod penetrates through the sampling bottle and is fixedly connected with a connecting screw head, the air suction assembly comprises an air suction cylinder, a connecting head is fixedly connected to the bottom of the air suction cylinder, a threaded connection hole is arranged in the connecting head, the threaded connection hole is screwed with the connecting screw head, a limiting plate is fixedly connected to the connecting head, a limiting block is fixedly connected to the top of the sampling bottle, and the limiting block and the limiting plate are matched with each other.

2. The sampling device for pharmaceutical analysis according to claim 1, wherein A stop block is fixedly connected to the connecting rod, a fixed plate is fixedly connected to the sealing cylinder, and a spring is arranged on the connecting rod and located between the stop block and the fixed plate.

3. The sampling device for pharmaceutical analysis according to claim 1, wherein A sealing ring is arranged in the threaded connection hole.

4. The sampling device for pharmaceutical analysis according to claim 1, wherein A piston rod is slidably connected to the air suction cylinder, and a gas plug is fixedly connected to one end of the piston rod arranged in the air suction cylinder.

5. The sampling device for pharmaceutical analysis according to claim 4, wherein A pull ring is fixedly connected to one end of the piston rod arranged outside the air suction cylinder.

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