CN217110847U - Measure flowmeter's of micropore aperture's on paster adaptation structure - Google Patents
Measure flowmeter's of micropore aperture's on paster adaptation structure Download PDFInfo
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- CN217110847U CN217110847U CN202220899967.8U CN202220899967U CN217110847U CN 217110847 U CN217110847 U CN 217110847U CN 202220899967 U CN202220899967 U CN 202220899967U CN 217110847 U CN217110847 U CN 217110847U
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Abstract
The utility model provides a measure flowmeter's of last micropore aperture adaptation structure of paster. Comprises an inner sleeve, an outer sleeve and a nest; the inner sleeve, the outer sleeve and the nesting are all provided with through holes, and the directions of the through holes are the same; one end of the through hole in the inner sleeve is used for placing the nesting, and a patch is placed between the inner sleeve and the nesting; the outer sleeve compresses the nest and is attached to the inner sleeve. The utility model provides an adaptation structure can fix and have the micropore paster, and adaptation structure cooperation flowmeter measurer can realize that the micropore aperture is measured.
Description
Technical Field
The utility model belongs to the technical field of the flowmeter accessory, concretely relates to measure flowmeter measurement's of micropore aperture adaptation structure on paster.
Background
In 2020, the national drug administration has issued technical guidelines (trial) for leak tightness research of chemical injection packaging systems, which requires leak tightness detection of injection preparations, and the detection method requires the use of a positive sample with known defects to verify sensitivity, so that micropores with a certain pore diameter need to be prepared on a medicinal packaging material as a positive sample. One of the micropore preparation techniques is a patch technology, namely, micropores are prepared on an exogenous patch through laser drilling, holes with larger diameters are simultaneously made on a package, the patch is adhered on the package, the holes on the package are covered, and thus, the micropores on the patch are transplanted on the package.
The aperture of the micropore on the patch used by the technology needs accurate measurement, and the measurement of the physical size of the micropore on the patch can be measured by an optical microscope or a scanning electron microscope, but because the patch has a certain thickness, the micropore prepared on the patch by the laser drilling technology is generally an irregular pore channel instead of a non-circular pore channel, the diameters of the inlet and the outlet of the pore channel are different, and the internal structure of the pore channel is complex. In order to more accurately represent the pore size, flow measurement is adopted, that is, the corresponding pore size is calculated by measuring the gas flow passing through the micropores under certain pressure difference and temperature conditions. In order to solve the problem of flow measurement, the invention designs an adapter which is matched with a flow measurement device to accurately obtain the gas flow passing through the patch micropores.
SUMMERY OF THE UTILITY MODEL
Based on above-mentioned micropore measuring method, for the convenience measure the micropore aperture on the paster with the flowmeter ware, the utility model provides a measure the adaptation structure of flowmeter ware in micropore aperture on the paster.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
the utility model provides an adaptive structure of a flowmeter for measuring the pore diameter of a micropore on a patch, which comprises an inner sleeve, an outer sleeve and an embedding sleeve; the inner sleeve, the outer sleeve and the nesting are all provided with through holes, and the directions of the through holes are the same; one end of the through hole in the inner sleeve is used for placing the nesting, and a patch is placed between the inner sleeve and the nesting; the outer sleeve compresses the nest and is attached to the inner sleeve.
Preferably, the sealing device further comprises a sealing ring, the sealing ring is arranged at the bottom of the nesting, and the outer sleeve is pressed and nested to enable the nesting and the inner sleeve to be pressed and sealed.
Preferably, the nesting is provided with a groove, and the groove is used for limiting and mounting the sealing ring.
Preferably, the diameter of one end of the inner sleeve, which is used for installing the nest, is larger than that of the other end of the inner sleeve, so that an annular platform is formed and used for placing the patch.
Preferably, the inner sleeve is connected with the outer sleeve through threads.
Compared with the prior art, the utility model discloses an advantage and beneficial effect are: the utility model provides an adaptation structure can fix and have the micropore paster, and adaptation structure cooperation flowmeter measurer can realize that the micropore aperture is measured. The utility model discloses be suitable for the paster of different thickness materials, including but not limited to the polymer paster of metal paster, various materials, crowded membrane paster altogether, plastics paster, application scope is wide. Facilitating the commercial production of microporous patches. And patches made of the same material can be directly cut from medicine packages, and are metered after laser drilling and pasted on similar packaging materials, so that customized preparation of the patches is realized. The adaptive structure is adopted to meter the patch, the patch is intact after the measurement is completed, 100% nondestructive detection can be performed, and the aperture accuracy of each positive sample is ensured.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic view of the structure of an embodiment;
FIG. 2 is a schematic view of the connection of the structure of the embodiment in use;
reference numbers in the figures: 1. an inner sleeve; 2. nesting; 3. a jacket; 4. pasting a piece; 5. a seal ring; 6. a gasket; 7. a groove; 8. a measurement cavity; 9. a base; 10. an air inlet; 11. a flow meter; 12. a vacuum pump.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The adaptive structure of the flowmeter for measuring the pore diameter of the micropores on the patch is shown in FIG. 1 and comprises an inner sleeve 1, an outer sleeve 3 and a nest 2; the inner sleeve 1, the nest 2 and the outer sleeve 3 are cylinders, and a through hole is formed in the center; forming a hollow cylindrical structure; one end of a through hole in the inner sleeve 1 is used for placing the nesting 2, and a patch 4 is placed between the inner sleeve 1 and the nesting 2; the outer sleeve 3 extrudes the nest 2 and is connected to the inner sleeve 1. The through holes of the inner sleeve 1, the nesting 2 and the outer sleeve 3 have the same direction, and form an air channel with an adaptive structure. After the patch 4 is placed, the micro-holes on the patch 4 are exposed to the gas passage formed by the outer sleeve 3, the inner sleeve 1 and the nest 2, and can allow gas to pass through. The outer sleeve 3 is further used for extruding the nesting 2 in a mode that a sealing ring 5 is arranged between the patch 4 and the nesting 2, so that the nesting 2 and the inner sleeve 1 are extruded and sealed.
Specifically, the upper end of the through hole of the inner sleeve 1 is used for embedding the mounting nest 2, so that the diameter of the upper end is larger than that of the lower end to form an annular platform for placing the patch 4; a gasket 6 is mounted on the platform and the patch 4 can be placed on the gasket 6. The outer diameter of the horizontal section of the nesting 2 is adapted to the diameter of the upper end of the through hole of the inner sleeve 1 and can be embedded into the upper end of the through hole of the sleeve; the bottom of the nest 2 is provided with a circle of groove 7 for installing the sealing ring 5, and the groove 7 plays a limiting role in the sealing ring 5.
The bottom end of the outer sleeve 3 is provided with internal threads which are matched with the external threads at the top end of the inner sleeve 1, the bottom of the outer sleeve 3 is extruded and nested 2 and is in threaded connection with the inner sleeve 1, the inner sleeve 1 and the outer sleeve 3 are extruded by the aid of the nested 2 after being screwed down, the patch 4 is fixed, and meanwhile, the sealing ring 5 is sealed in an interference fit mode through extrusion. In the embodiment, the diameter of the bottom end of the through hole of the outer sleeve 3 is larger than that of the top end of the through hole, so that the diameter is suitable for the outer diameter of the nesting 2 and the nesting 2 is embedded and arranged when the through hole is connected; and simultaneously, the limiting function to the outer sleeve 3 is realized.
The utility model discloses a use method: installing a patch 4 with micropores between a nesting 2 and an inner sleeve 1 of an adaptive structure; as shown in fig. 2, the adaptive structure is placed in the measurement cavity 8 of the flow meter, the adaptive structure is placed on the silica gel ring of the base 9 at the bottom of the measurement cavity 8, the adaptive structure is tightly contacted with the silica gel ring through the fixing device of the flow meter to be well sealed, the air inlet 10 of the flow meter is positioned in the gas channel of the adaptive structure, the air inlet 10 of the flow meter is connected with the atmosphere, and the air inlet 10 is connected with the flow meter 11 to indirectly connect the inside of the measurement cavity 8 with the atmosphere; starting a vacuum pump 12, the vacuum pump 12 evacuating the air in the measurement chamber 8 through a gas line and maintaining a certain negative pressure P 2 So far, one side of the patch 4 is atmospheric pressure P 1 The other side is connected with the measuring cavity 8 under negative pressure, and the air pressure is P 2 A certain pressure difference is formed; under the action of the pressure difference, gas enters the adaptive structure through the flow meter 11, enters the measurement cavity 8 through the micropores on the patch 4, and is pumped away by the vacuum pump 12 to form circulation; the flow of gas through the patch 4 is obtained by a flow meter 11.
It should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "top", "bottom", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.
Claims (5)
1. The utility model provides a measure flowmeter's of micropore aperture's adaptation structure on paster which characterized in that: comprises an inner sleeve (1), an outer sleeve (3) and a nesting sleeve (2); the inner sleeve (1), the outer sleeve (3) and the nesting sleeve (2) are all provided with through holes, and the directions of the through holes are the same; one end of a through hole in the inner sleeve (1) is used for placing the nesting sleeve (2), and a patch (4) is placed between the inner sleeve (1) and the nesting sleeve (2); the outer sleeve (3) presses the nest (2) and is connected to the inner sleeve (1).
2. The adaptive structure of the flowmeter for measuring the pore size of the micropores on the patch according to claim 1, characterized in that the adaptive structure further comprises a sealing ring (5), wherein the sealing ring (5) is arranged at the bottom of the nesting sleeve (2), and the outer sleeve (3) presses the nesting sleeve (2) to enable the nesting sleeve (2) and the inner sleeve (1) to be sealed in a pressing manner.
3. The structure of the flowmeter of the pore size of the micropore on the measuring patch as recited in claim 2, characterized in that the nest (2) is provided with a groove (7), and the groove (7) is used for limiting and installing the sealing ring (5).
4. The structure of the flowmeter for measuring the pore diameter of the micropores on the patch according to claim 1, wherein the diameter of one end of the inner sleeve (1) where the nest (2) is installed is larger than that of the other end, forming an annular platform for placing the patch (4).
5. The structure of the flowmeter of the pore diameter of the micropore on the measuring patch as set forth in claim 1, wherein the inner sleeve (1) and the outer sleeve (3) are connected by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220899967.8U CN217110847U (en) | 2022-04-18 | 2022-04-18 | Measure flowmeter's of micropore aperture's on paster adaptation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220899967.8U CN217110847U (en) | 2022-04-18 | 2022-04-18 | Measure flowmeter's of micropore aperture's on paster adaptation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217110847U true CN217110847U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220899967.8U Active CN217110847U (en) | 2022-04-18 | 2022-04-18 | Measure flowmeter's of micropore aperture's on paster adaptation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217110847U (en) |
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2022
- 2022-04-18 CN CN202220899967.8U patent/CN217110847U/en active Active
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266114 areas B1-2, b2-2 and d4-3 of lanbei intelligent manufacturing workshop, No. 1, Jinye Road, high tech Zone, Qingdao, Shandong Patentee after: Stande Kechuang Pharmaceutical Technology (Qingdao) Co.,Ltd. Address before: 266114 areas B1-2, b2-2 and d4-3 of lanbei intelligent manufacturing workshop, No. 1, Jinye Road, high tech Zone, Qingdao, Shandong Patentee before: QINGDAO KECHUANG QUALITY DETECTION CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |