CN211740726U

CN211740726U - Sampler for liquid pharmaceutical device

Info

Publication number: CN211740726U
Application number: CN202020064020.6U
Authority: CN
Inventors: 李剑忠
Original assignee: Sichuan Shuangxin Pharmaceutical Co ltd
Current assignee: Sichuan Shuangxin Pharmaceutical Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-10-23
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses a sampler for a liquid pharmaceutical device, which comprises a shell, a connecting port, a sampling groove, a first cavity, a second cavity, a three-way pipe and a piston assembly; the connector sets up respectively on the opposite face of shell with the sample groove, the outstanding shell setting of connector, the connector is connected with outside pharmaceutical equipment's sample connection or liquid outlet, the sample groove indent sets up the inside at the shell, first cavity and second cavity all set up inside the shell, first cavity communicates with the connector through the pipeline, the three-way pipe sets up inside the shell, and the three-way pipe is connected with first cavity and second cavity and piston assembly respectively, the utility model discloses can't accurate, high-efficient continuous take a sample.

Description

Sampler for liquid pharmaceutical device

Technical Field

The utility model belongs to the pharmacy device field especially relates to a sampler for liquid pharmacy device.

Background

In pharmacy in-process, the product that often can need in to pharmacy in-process carries out the sampling test, whether the medicine of each stage of inspection is up to standard, and the sampling to liquid medicine is present often to take a sample in sealed pharmacy jar body, and during the sample, in order to guarantee that internal work environment is stable, often need stop the pharmacy operation and take a sample again, and in addition in the sample, can only take a sample alone, unable accurate, high-efficient continuous taking a sample.

Often can have the sample among the prior art excessively, extravagant pharmaceutical problem, and sample alone many times and waste time, increase holistic pharmacy time.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sampler for liquid pharmacy device has solved and often can have the sample among the prior art excessive, the problem of extravagant pharmaceutical, and sample the waste time alone many times, increases holistic pharmacy time, moreover unable accurate, high-efficient continuous problem of taking a sample.

The scheme is realized as follows:

a sampler for a liquid pharmaceutical device comprises a shell, a connecting port, a sampling groove, a first cavity, a second cavity, a three-way pipe and a piston assembly; the sampling device comprises a shell, a connector, a sampling groove, a first cavity, a second cavity, a three-way pipe and a piston assembly, wherein the connector and the sampling groove are arranged on opposite surfaces of the shell respectively, the connector protrudes out of the shell, the connector is connected with a sampling port or a liquid outlet of external pharmaceutical equipment, the sampling groove is arranged in the shell in an inwards concave manner, the first cavity and the second cavity are arranged in the shell, the first cavity is communicated with the connector through a pipeline, the three-way pipe is arranged in the shell, and the three-way pipe is connected with the first cavity, the second cavity and the piston assembly.

Preferably, the volume of the first cavity is not less than 2 times that of the second cavity, and the pipe diameters of the first cavity and the connecting port are not less than 2 times that of each pipe of the three-way pipe.

Preferably, the second cavity is movably arranged in the sampling groove, the size of the second cavity is matched with that of the sampling groove, the second cavity is made of transparent plastics, a liquid inlet hole is formed in the second cavity, a rubber ring is sleeved on the liquid inlet hole, the second cavity is connected with the three-way pipe through a pipeline, and the pipeline connected with the second cavity protrudes out of the sampling groove.

Preferably, the first cavity and the pipeline of the connector are provided with a first valve, the on-off switch of the first valve is arranged on the shell, the three-way pipe and the connecting pipeline of the first cavity and the second cavity are respectively provided with a second valve and a third valve, the first valve, the second valve and the third valve are all arranged in the same way, and the on-off switches are all arranged on the shell.

Preferably, a seal ring is arranged on the outer diameter of the connecting port, and the seal ring is arranged around the outer diameter wall surface of the connecting port.

Preferably, a filter screen is arranged at the inner diameter of the connecting port.

Preferably, an end cover is arranged on the sampling groove, the end cover is hinged with the shell, and a scale strip is arranged on the end cover.

Preferably, the piston assembly is a simple sealing piston similar to a syringe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in be provided with the end cover on the sample groove, the end cover is articulated with the shell, for the accurate numerical value of sample, be provided with the scale strip on the end cover, the end cover is made for transparent material, when taking a sample to liquid, through the slow and accurate sampling liquid of piston assembly, moreover, because first cavity setting is submitted and is far greater than the second cavity, can carry out sampling liquid in the first cavity many times, continuous and accurate sampling, when needs carry out different sampling detection time measuring to certain link, can be through the second cavity of difference, continuous taking a sample to do not influence the inside operation of pharmaceutical equipment.

2. The utility model discloses when the sample, open first valve and second valve, close the third valve, then extract piston assembly fast, take out the first cavity with the liquid in the pharmaceutical equipment fast, then close first valve, make the inside environment of pharmaceutical equipment stable, then follow-up operation carries out, then close the second valve, open the third valve, get rid of the air in the piston assembly, then close the third valve, open the second valve and extract the piston assembly with fixed sample in the first cavity, close the second valve at last, the third valve of opening, slow speed pours into the sample liquid into the second cavity into, accomplish the sample operation, can guarantee like this not to receive the pollution of the sample liquid that does not enter into in the second cavity, when the sample is accomplished, unnecessary liquid can pour into the pharmaceutical equipment into again, practice thrift the medicine.

Drawings

Fig. 1 is a schematic structural view of the whole end cover when the end cover is opened;

fig. 2 is a schematic structural view of the whole end cover when the end cover is closed;

fig. 3 is a schematic front view of the end cap of the present invention;

in the figure: 1. a housing; 2. a connecting port; 3. a sampling groove; 4. a first cavity; 5. a second cavity; 6. a three-way pipe; 7. a piston assembly; 8. a seal ring; 9. a filter screen; 10. a first valve; 11. a second valve; 12. a third valve; 13. and (4) end covers.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, the present invention provides a technical solution:

a sampler for a liquid pharmaceutical device comprises a shell 1, a connecting port 2, a sampling groove 3, a first cavity 4, a second cavity 5, a three-way pipe 6 and a piston assembly 7; the whole body of the shell 1 is of a cubic structure, the connecting port 2 and the sampling groove 3 are respectively arranged on opposite surfaces of the shell 1, the connecting port 2 protrudes out of the shell 1, the connecting port 2 is connected with a sampling port or a liquid outlet of external pharmaceutical equipment, threads matched with the sampling port are arranged on the connecting port 2, the sampling groove 3 is arranged in the shell 1 in an inwards concave mode, the first cavity 4 and the second cavity 5 are both arranged in the shell 1, the first cavity 4 is communicated with the connecting port 2 through a pipeline, the three-way pipe 6 is arranged in the shell 1, and the three-way pipe 6 is respectively connected with the first cavity 4, the second cavity 5 and the piston assembly 7.

In this scheme, at first in the liquid of sample is fast through piston assembly 7 extraction to first cavity 4, does not influence the inside pharmacy environment of pharmacy subassembly, guarantees the stability of internal environment, then in slowly carrying second cavity 5 with sample liquid through piston assembly 7, then take out and survey the appearance operation.

In this scheme, be provided with sealing washer 8 on the external diameter of connector 2, sealing washer 8 encircles the external diameter wall setting of connector 2, when connector 2 carries out threaded connection through screw thread and sampling mouth, along with the deepening of screw thread, extrudees sealing washer 8, makes connector 2 and sampling mouth form the compulsory seal at fixed connection, guarantees the sealed environment of junction.

The internal diameter department of connector 2 is provided with filter screen 9, gets rid of large granule impurity through filter screen 9, prevents that impurity from causing the harm to the jam of follow-up pipeline and piston, extension device's life.

The pipeline of the first cavity 4 and the connecting port 2 is provided with a first valve 10, the first valve 10 can be a mechanical valve or an electromagnetic valve, on-off switches of the first valve 10 are all arranged on the shell 1, the connecting pipeline of the three-way pipe 6, the first cavity 4 and the second cavity 5 is respectively provided with a second valve 11 and a third valve 12, the first valve 10, the second valve 11 and the third valve 12 are all arranged in the same mode, and on-off switches of the three-way pipe are all arranged on the shell 1.

The volume of first cavity 4 is not less than 2 times the volume of second cavity 5, the pipe diameter of first cavity 4 and connector 2 is not less than 2 times the pipe diameter of each pipeline of three-way pipe 6, through the pipeline of heavy-calibre and the stock solution cavity of large volume, can make treating in the pharmaceutical equipment that the liquid of sampling is quick enough enter into first cavity 4, to the internal environment influence of pharmacy when reducing the sampling.

During sampling, the first valve 10 and the second valve 11 are opened, the third valve 12 is closed, then the piston assembly 7 is rapidly extracted, liquid in the pharmaceutical equipment is rapidly extracted into the first cavity 4, impurities in the liquid are blocked on the filter screen 9, then the first valve 10 is closed to stabilize the environment in the pharmaceutical equipment, then subsequent operation is performed, then the second valve 11 is closed, the third valve 12 is opened to remove air in the piston assembly 7, then the third valve 12 is closed, the second valve 11 is opened to extract a fixed sample in the first cavity 4 into the piston assembly 7, finally the second valve 11 is closed, the third valve 12 is opened to slowly inject the sampled liquid into the second cavity 5 to complete the sampling operation, so that the sampled liquid which does not enter the second cavity 5 can be ensured not to be polluted, when the sampling is completed, redundant liquid can be injected into the pharmaceutical equipment again, the medicine is saved.

In this scheme, the activity of second cavity 5 sets up in sample groove 3, the size and the sample phase-match of second cavity 5, second cavity 5 is made for transparent plastic, be provided with into the liquid hole on the second cavity 5, it is equipped with the rubber circle to go into to overlap on the liquid hole, second cavity 5 is connected with three-way pipe 6 through the pipeline, the pipeline that is connected with second cavity 5 is outstanding to be sampled groove 3 and is set up, and during the pipeline inserted the second cavity 5, the pipeline forms relative seal structure with going into the liquid hole on the rubber circle, further prevents that liquid from being contaminated.

Be provided with end cover 13 on the sample groove 3, end cover 13 is articulated with shell 1, for the accurate numerical value of sample, be provided with the scale strip on the end cover 13, of course, for observing the convenience, end cover 13 is made for transparent material, when taking a sample to liquid, can slowly fast and accurate sample sampling liquid through piston assembly 7, moreover, because first cavity 4 sets up to submit and is far greater than second cavity 5, can carry out sampling liquid in first cavity 4 many times, continuous and accurate sampling, when needs examine time measuring to carry out different samplings to certain link, can take a sample through second cavity 5, continuous of difference to do not influence the inside operation of pharmaceutical equipment.

The piston assembly 7 may be a simple sealing piston similar to a syringe, or may be other types of piston extraction assemblies.

For the convenience of operation, shell 1 wholly adopts transparent plastic material to make, conveniently in time observes the inside sampling condition, in time opens or closes each valve.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A sampler for a liquid pharmaceutical device, comprising: comprises a shell, a connecting port, a sampling groove, a first cavity, a second cavity, a three-way pipe and a piston assembly; the sampling device comprises a shell, a connector, a sampling groove, a first cavity, a second cavity, a three-way pipe and a piston assembly, wherein the connector and the sampling groove are arranged on opposite surfaces of the shell respectively, the connector protrudes out of the shell, the connector is connected with a sampling port or a liquid outlet of external pharmaceutical equipment, the sampling groove is arranged in the shell in an inwards concave manner, the first cavity and the second cavity are arranged in the shell, the first cavity is communicated with the connector through a pipeline, the three-way pipe is arranged in the shell, and the three-way pipe is connected with the first cavity, the second cavity and the piston assembly.

2. A sampler for a liquid pharmaceutical apparatus according to claim 1, wherein: the volume of the first cavity is not less than 2 times that of the second cavity, and the pipe diameters of the first cavity and the connecting port are not less than 2 times that of each pipe of the three-way pipe.

3. A sampler for a liquid pharmaceutical apparatus according to claim 2, wherein: the second cavity is movably arranged in the sampling groove, the size of the second cavity is matched with the sampling, the second cavity is made of transparent plastic, a liquid inlet hole is formed in the second cavity, a rubber ring is sleeved on the liquid inlet hole, the second cavity is connected with the three-way pipe through a pipeline, and the pipeline connected with the second cavity protrudes out of the sampling groove.

4. A sampler for a liquid pharmaceutical apparatus according to claim 3, wherein: the three-way pipe is characterized in that a first valve is arranged on the pipeline of the first cavity and the pipeline of the connecting port, an on-off switch of the first valve is arranged on the shell, a second valve and a third valve are respectively arranged on the three-way pipe and the connecting pipeline of the first cavity and the second cavity, the first valve, the second valve and the third valve are all arranged the same, and the on-off switches are all arranged on the shell.

5. A sampler for a liquid pharmaceutical apparatus according to claim 2, wherein: and a sealing ring is arranged on the outer diameter of the connecting port and surrounds the outer diameter wall surface of the connecting port.

6. A sampler for a liquid pharmaceutical apparatus according to claim 2, wherein: and a filter screen is arranged at the inner diameter of the connecting port.

7. A sampler for a liquid pharmaceutical installation according to claim 4, characterized in that: the sampling groove is provided with an end cover, the end cover is hinged to the shell, and the end cover is provided with a scale strip.

8. A sampler for a liquid pharmaceutical apparatus according to claim 2, wherein: the piston assembly is a simple sealing piston similar to a syringe.