CN214667920U

CN214667920U - Medicine analysis sampling device

Info

Publication number: CN214667920U
Application number: CN202120435275.3U
Authority: CN
Inventors: 赵海鹏; 齐衍超; 赵海涛; 刘欣; 谭颖; 杨丽蓉
Original assignee: Weifang Inspection And Testing Center
Current assignee: Weifang Inspection And Testing Center
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-11-09
Anticipated expiration: 2031-03-01

Abstract

The utility model discloses a pharmaceutical analysis sampling device, including gluing the head, glue the inside of head and paste the endotheca, glue the bottom mounting of head and have first connecting pipe, the internally mounted of first connecting pipe has the adapter sleeve, and the inside of adapter sleeve is provided with the filter screen, and the internally mounted of first connecting pipe has the connector, and the surface of connector is provided with the sealing plug, and the bottom mounting of connector has the burette. The filter screen passes through the adapter sleeve to be installed inside first connecting pipe, filters the liquid that gets into the rubber head, and it is simple to dismantle the installation moreover. The dropper is detachably connected with the first connecting pipe through the connector and is sealed through the sealing plug, so that leakage is avoided. The inner sleeve is arranged inside the rubber head to protect the rubber head. The liquid sampled by the dropper and the rubber head enters the liquid containing sleeve through the liquid guide pipe, so that more liquid can be sampled.

Description

Medicine analysis sampling device

Technical Field

The utility model belongs to the technical field of the medicine sample, specifically be a medicine analysis sampling device.

Background

The general analysis sampling of the liquid medicine adopts a rubber head dropper to suck the liquid; pharmaceutical analysis refers to the study of the quality of synthetic or natural drugs and their preparations with well-defined chemical structures by chemical, physical, biological and microbiological methods and techniques.

The invention discloses a sampling device for drug analysis in 2021, 19.1st, of the patent of the invention in China with the publication number CN112240843A, which is characterized by comprising a sampling tube, wherein the top end of the sampling tube is communicated and connected with an air pressure control device, the bottom end of the sampling tube is provided with an inclined closing edge, the sampling tube is provided with a cleaning branch tube, a piston pad is arranged at a position above the cleaning branch tube in the sampling tube, the cleaning branch tube is fixedly communicated and obliquely connected with the tube body of the sampling tube, the extension line at the top end of the cleaning branch tube points to the middle part of the bottom surface of the piston pad, and the other end of the cleaning branch tube is provided with a cleaning device.

In the existing medicine analysis sampling device, the disassembly and the assembly between the rubber head and the dropper are troublesome, the connection is not tight, the leakage is easy, and the insoluble impurities can not be removed from the liquid entering the dropper; the sampled liquid is inconvenient to transfer and easy to drip and pollute the working table. And the liquid that samples more is easier to drip and leak, on the one hand the removal operation after the sample.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pharmaceutical analysis sampling device to it is more troublesome to dismantle the installation between head and the burette to solve, and connects and not closely reveal easily, does not set up filtration's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pharmaceutical analysis sampling device, is including gluing the head, the endotheca has been pasted in the inside of gluing the head, the bottom mounting who glues the head has first connecting pipe, the internally mounted of first connecting pipe has the adapter sleeve, the inside of adapter sleeve is provided with the filter screen, the internally mounted of first connecting pipe has the connector, the surface of connector is provided with the sealing plug, the bottom mounting of connector has the burette.

Preferably, a liquid guide pipe is connected to the side surface of the glue head, a first connecting plate is fixed to the surface of the liquid guide pipe, and a buckling plate is fixed to the side surface of the first connecting plate.

Preferably, the bottom of catheter is installed and is contained the liquid cover, it is fixed with the second connecting pipe to contain the top of liquid cover, the side of second connecting pipe is provided with the blast pipe, the top of blast pipe is provided with the lid, the top of second connecting pipe is fixed with the second connecting plate, sealed the pad has been pasted on the top of second connecting plate.

Preferably, the inner surface of the first connecting pipe is of a threaded structure, the outer surface of the connecting sleeve is of a threaded structure, and the connecting sleeve is in threaded fit connection with the first connecting pipe.

Preferably, the surface of connector is helicitic texture, connector and first connecting pipe screw-thread fit are connected, the sealing plug is the toper structure.

Preferably, the buckle is an L-shaped structure, and the first connecting plate is a circular structure.

Preferably, the liquid containing sleeve is of a spherical structure, the second connecting plate is of a circular structure, and the second connecting plate is perpendicular to the second connecting pipe.

Compared with the prior art, the utility model discloses a pharmaceutical analysis sampling device of example:

1. be provided with the filter screen, during the use, the filter screen passes through the adapter sleeve to be installed inside first connecting pipe, filters the liquid that gets into the rubber head, and the dismantlement installation is simple moreover.

2. Be provided with sealing plug and connector, during the use, the burette passes through the connector and can dismantle with first connecting pipe and be connected to seal through the sealing plug and handle, avoid revealing.

3. The inner sleeve is arranged inside the rubber head to protect the rubber head when in use.

4. Be provided with catheter and flourishing liquid cover, during the use, through burette and the liquid of rubber head sample, inside the liquid cover is flourished in the catheter entering, more liquid can be taken a sample, moreover, flourishing liquid cover can take off convenient washing and pour out this liquid of inside incomplete appearance, avoids sample cross contamination.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged view of fig. 1 at a according to the present invention;

fig. 3 is a sectional view taken along the direction B-B of fig. 1 according to the present invention;

fig. 4 is a sectional view taken along the direction C-C of fig. 1 according to the present invention;

fig. 5 is a sectional view of the filter screen of fig. 1 according to the present invention.

In the figure: 1. gluing heads; 2. an inner sleeve; 3. connecting sleeves; 4. a first connecting pipe; 5. a sealing plug; 6. a connector; 7. a dropper; 8. a catheter; 9. a first connecting plate; 10. buckling the plate; 11. a second connecting pipe; 12. a liquid containing sleeve; 13. a gasket; 14. a second connecting plate; 15. a filter screen; 16. an exhaust pipe; 17. and a cover.

Detailed Description

Referring to fig. 1 and 2, a sampling device for drug analysis includes a rubber head 1, an inner sleeve 2 is adhered inside the rubber head 1, and the inner sleeve 2 is a thin film structure and is fixedly adhered to an inner surface of the rubber head 1, such that the inner sleeve 2 enhances corrosion resistance of the rubber head 1 and protects the rubber head 1.

Referring to fig. 1, 2 and 5, a first connecting pipe 4 is fixed at the bottom end of the rubber head 1, and the inner surface of the first connecting pipe 4 is of a threaded structure; a connecting sleeve 3 is arranged in the first connecting pipe 4, and the connecting sleeve 3 is close to the inner sleeve 2; the outer surface of the connecting sleeve 3 is of a threaded structure, and the connecting sleeve 3 is in threaded fit connection with the first connecting pipe 4.

Referring to fig. 1, 2 and 5, a filter screen 15 is disposed inside the connecting sleeve 3, and the filter screen 15 is installed inside the first connecting pipe 4 through the connecting sleeve 3 to filter the liquid entering the rubber head 1; the connecting sleeve 3 and the connecting head 6 are in a non-integrated structure, the connecting sleeve 3 is in a circular ring structure with threads on the surface, the filter screen 15 is positioned at the top end of the connecting sleeve 3, a rubber column tool is inserted into the connecting sleeve 3, and the rubber column tool is tightly inserted into the connecting sleeve 3; rotating the rubber column tool clockwise to insert the connecting sleeve 3 into the first connecting pipe 4 in a rotating manner; and the rubber column tool is rotated anticlockwise, the connecting sleeve 3 is rotated and pulled out of the first connecting pipe 4, and therefore the dismounting and the mounting are simple.

Referring to fig. 1, 2 and 3, a connector 6 is installed inside the first connecting pipe 4, the outer surface of the connector 6 is in a threaded structure, and the connector 6 is in threaded fit connection with the first connecting pipe 4, so that a dropper 7 is convenient to disassemble and install; a sealing plug 5 is arranged on the surface of the connector 6, the sealing plug 5 is of a conical structure, and the sealing plug 5 is used for sealing the joint; a dropper 7 is fixed at the bottom end of the connector 6.

Referring to fig. 1, 2 and 3, a liquid guide tube 8 is connected to the side surface of the rubber head 1, and the liquid guide tube 8 is a rubber hose; the surface of the liquid guide pipe 8 is fixed with a first connecting plate 9, the first connecting plate 9 is of a circular structure, a buckling plate 10 is fixed on the side surface of the first connecting plate 9, and the buckling plate 10 is of an L-shaped structure.

Referring to fig. 1, 2 and 4, the liquid containing sleeve 12 is mounted at the bottom end of the liquid guiding tube 8, and the liquid containing sleeve 12 is of a ball-shaped structure; a second connecting pipe 11 is fixed at the top end of the liquid containing sleeve 12, and the bottom end of the liquid guide pipe 8 is inserted into the second connecting pipe 11; an exhaust pipe 16 is arranged on the side surface of the second connecting pipe 11, and a cover 17 is arranged at the top end of the exhaust pipe 16; the liquid enters the liquid containing sleeve 12 to increase the air pressure inside the liquid containing sleeve 12, at the moment, the cover 17 is opened, the air inside the liquid containing sleeve 12 is discharged from the exhaust pipe 16, the air pressure inside the liquid containing sleeve 12 is adjusted, and sampling is convenient. The cap 17 is closed when sampling is completed to maintain the tightness of the liquid containing sleeve 12. When needing to drip the sample in other test solutions, then can extrude and glue head 1 and make the interior sample liquid that persists of head 1 drop into other test solutions, sample liquid is used up when gluing in the head 1, then can extrude flourishing liquid cover 12 and make the interior sample liquid of flourishing liquid cover 12 enter along the pipeline and glue head 1 to drip into other test solutions. If the liquid containing sleeve 12 has residual liquid, the liquid containing sleeve 12 can be taken down to pour out, and the interior of the liquid containing sleeve 12 can be cleaned, so that the liquid cross contamination of the residual sample inside can be prevented.

Referring to fig. 1, 2 and 4, a second connecting plate 14 is fixed at the top end of the second connecting pipe 11, the second connecting plate 14 is a circular structure, the diameter of the second connecting plate 14 is equal to the diameter of the first connecting plate 9, and the second connecting plate 14 is perpendicular to the second connecting pipe 11.

Referring to fig. 1, 2 and 4, a sealing gasket 13 is adhered to the top end of the second connecting plate 14, and the sealing gasket 13 is located between the second connecting plate 14 and the first connecting plate 9; the buckle plate 10 buckles the first connecting plate 9 and the second connecting plate 14 on the side surface of the second connecting plate 14, and the first connecting plate and the second connecting plate 14 are detachably installed and connected and are sealed through a sealing gasket 13; flourishing liquid cover 12 adopts soft rubber ball material, and when the liquid in the rubber head 1 flowed into flourishing liquid cover 12 in, the inside atmospheric pressure of flourishing liquid cover 12 increased, and the inside gas of flourishing liquid cover 12 was discharged from blast pipe 16, adjusted the inside atmospheric pressure of flourishing liquid cover 12, and inside liquid entering flourishing liquid cover 12, later taken off flourishing liquid cover 12, conveniently washed and pour out inside incomplete sample this liquid, avoided sample cross contamination.

The working principle of the scheme is as follows: the inner sleeve 2 and the rubber head 1 can be detachably replaced, and the inner sleeve 2 protects the rubber head 1; the connecting sleeve 3 is arranged inside the first connecting pipe 4, and the filter screen 15 is arranged inside the connecting sleeve 3 and used for filtering liquid entering the rubber head 1.

The dropper 7 is arranged below the rubber head 1 through the connector 6, the connector 6 is detachably connected with the first connecting pipe 4, and the connecting part is sealed through the sealing plug 5.

The liquid guide pipe 8 is inserted into a second connecting pipe 11 at the top end of the liquid containing sleeve 12, the first connecting plate 9 is tightly installed and connected with a second connecting plate 14 through a buckling plate 10, and a sealing gasket 13 is used for sealing the connection position; liquid sampled by the dropper 7 and the rubber head 1 enters the liquid containing sleeve 12 through the liquid guide pipe 8, the air pressure inside the liquid containing sleeve 12 is increased, the air inside the liquid containing sleeve 12 is discharged from the exhaust pipe 16, the air pressure inside the liquid containing sleeve 12 is adjusted, and the liquid enters the liquid containing sleeve 12; after the liquid sampling is completed, the cap 17 is put on the top end of the exhaust tube 16. The exhaust pipe 16 is convenient for liquid to smoothly enter the liquid containing sleeve 12 from the rubber head 1, the liquid in the liquid containing sleeve 12 can also be extruded into the rubber head 1 and can be detached for cleaning, and the cross contamination of samples is avoided.

Claims

1. A pharmaceutical analysis sampling device, includes gluey head (1), its characterized in that: glue the inside of head (1) and paste endotheca (2), the bottom mounting who glues head (1) has first connecting pipe (4), the internally mounted of first connecting pipe (4) has adapter sleeve (3), the inside of adapter sleeve (3) is provided with filter screen (15), the internally mounted of first connecting pipe (4) has connector (6), the surface of connector (6) is provided with sealing plug (5), the bottom mounting of connector (6) has burette (7).

2. A pharmaceutical analysis sampling device according to claim 1, wherein: the side of the glue head (1) is connected with a liquid guide pipe (8), a first connecting plate (9) is fixed on the surface of the liquid guide pipe (8), and a buckling plate (10) is fixed on the side of the first connecting plate (9).

3. A pharmaceutical analysis sampling device according to claim 2, wherein: liquid containing sleeve (12) is installed to the bottom of catheter (8), the top of liquid containing sleeve (12) is fixed with second connecting pipe (11), the side of second connecting pipe (11) is provided with blast pipe (16), the top of blast pipe (16) is provided with lid (17), the top of second connecting pipe (11) is fixed with second connecting plate (14), sealed pad (13) has been pasted on the top of second connecting plate (14).

4. A pharmaceutical analysis sampling device according to claim 1, wherein: the inner surface of the first connecting pipe (4) is of a threaded structure, the outer surface of the connecting sleeve (3) is of a threaded structure, and the connecting sleeve (3) is in threaded fit connection with the first connecting pipe (4).

5. A pharmaceutical analysis sampling device according to claim 1, wherein: the surface of connector (6) is helicitic texture, connector (6) and first connecting pipe (4) screw-thread fit connection, sealing plug (5) are the toper structure.

6. A pharmaceutical analysis sampling device according to claim 2, wherein: the buckle plate (10) is of an L-shaped structure, and the first connecting plate (9) is of a circular structure.

7. A pharmaceutical analysis sampling device according to claim 3, wherein: the liquid containing sleeve (12) is of a spherical structure, the second connecting plate (14) is of a circular structure, and the second connecting plate (14) is perpendicular to the second connecting pipe (11).