CN117622601A - Penicillin bottle nitrogen filling needle structure - Google Patents
Penicillin bottle nitrogen filling needle structure Download PDFInfo
- Publication number
- CN117622601A CN117622601A CN202311830218.5A CN202311830218A CN117622601A CN 117622601 A CN117622601 A CN 117622601A CN 202311830218 A CN202311830218 A CN 202311830218A CN 117622601 A CN117622601 A CN 117622601A
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- Prior art keywords
- filling needle
- main body
- hole
- air outlet
- needle main
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 229930182555 Penicillin Natural products 0.000 title claims abstract description 47
- 229940049954 penicillin Drugs 0.000 title claims abstract description 47
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 title claims abstract description 41
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 57
- 229920001971 elastomer Polymers 0.000 claims abstract description 45
- 239000007789 gas Substances 0.000 claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims abstract description 12
- 239000003814 drug Substances 0.000 abstract description 13
- 239000007788 liquid Substances 0.000 abstract description 12
- 150000002960 penicillins Chemical class 0.000 abstract description 6
- 238000005429 filling process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000005414 inactive ingredient Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The invention provides a penicillin bottle nitrogen filling needle structure, which comprises a filling needle body, wherein a first through hole penetrating through the upper end face and the lower end face of the filling needle body is formed in the filling needle body, and a filling needle body air bin is formed in the filling needle body; the upper end of the filling needle main body is provided with a top joint communicated with the first through hole; the bottom of the filling needle main body is provided with a second through hole penetrating through the bottom end surface of the filling needle main body, and the second through hole is communicated with the filling needle main body air bin; the filling needle body is also provided with a first air outlet hole, and high-pressure gas sequentially passes through the top joint, the first through hole, the second through hole and the first air outlet hole; the sealing cap top is fixedly arranged on the bottom end face of the filling needle body and is provided with an opening at the bottom, an annular rubber ring is arranged on the inner wall of the sealing cap, and the annular rubber ring is communicated with the inside of the filling needle body. The invention provides a nitrogen filling needle structure of a penicillin bottle, which can effectively prevent the pollution of liquid medicine in the penicillin bottle during filling nitrogen and improve the yield.
Description
Technical Field
The invention relates to the technical field of biomedical filling equipment, in particular to a nitrogen filling needle structure of a penicillin bottle.
Background
In the pharmaceutical industry, raw materials such as bulk drugs, inactive ingredients and other chemicals that may be sensitive to oxygen need to be kept under an inert atmosphere to prevent exposure to oxygen and subsequent deterioration due to oxidation. Because the nitrogen content in the air occupies 78%, the nitrogen is often used as a protective gas to be filled into the penicillin bottles, and the penicillin bottles need to be in a safe environment in the whole filling process, so that pollution is avoided.
The current nitrogen filling modes of the penicillin bottle are two, one is that the penicillin bottle is inserted into the liquid medicine by a filling needle and continuously filled with air until the penicillin bottle is saturated; or the penicillin bottles are sequentially put into a nitrogen gas 'air curtain', namely, nitrogen is continuously blown at the tops of the penicillin bottles until the seal cover is carried out.
However, in any of the above two methods, the upper part of the penicillin bottle is opened, and even if the production environment is strict, part of the penicillin bottle liquid medicine is polluted because of contacting with the filling component.
Disclosure of Invention
The invention provides a nitrogen filling needle structure of a penicillin bottle, which aims to solve the problem that the liquid medicine is easy to pollute when the nitrogen is filled into the prior penicillin bottle.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the penicillin bottle nitrogen filling needle structure comprises a filling needle body, wherein a first through hole penetrating through the upper end face and the lower end face of the filling needle body is formed in the filling needle body, and a filling needle body air bin is formed in the filling needle body; the upper end of the filling needle main body is provided with a top joint communicated with the first through hole; the bottom of the filling needle main body is provided with a second through hole penetrating through the bottom end surface of the filling needle main body, and the second through hole is communicated with the filling needle main body air bin; the filling needle body is also provided with a first air outlet hole, and high-pressure gas sequentially passes through the top joint, the first through hole, the second through hole and the first air outlet hole;
the filling needle comprises a filling needle body, and is characterized by further comprising a sealing cap, wherein the top of the sealing cap is fixedly arranged on the bottom end face of the filling needle body, an opening is formed in the bottom of the sealing cap, an annular rubber ring is arranged on the inner wall of the sealing cap, and the annular rubber ring is communicated with the inside of the filling needle body.
In the embodiment, the filling needle structure is connected with the lifting structure of the filling machine through the top connector and is connected with the gas tank, and can move up and down along with the lifting structure to fill nitrogen into the penicillin bottle during use, in particular,
when the penicillin bottle moves to the lower side of the structure in the filling machine, the filling needle body is driven to move downwards through the lifting structure, when the lifting structure is stopped, the annular rubber ring is located at the position Lin Pinggeng of the west, the valve is opened at the moment, nitrogen enters the lower side through the first through hole, nitrogen is continuously filled in the bottle, nitrogen in the bottle is saturated, at the moment, in-process, air in the original bottle body can be discharged along with the second through hole and the first air outlet hole, meanwhile, because the annular rubber ring is communicated with the air bin of the filling needle body, a part of air enters the annular rubber ring in the filling process and is inflated until the annular rubber ring expands to seal the neck of the penicillin bottle, impurities in the air can be effectively prevented from entering the liquid medicine in the annular rubber ring, and compared with the traditional filling operation, the structure does not need to insert the needle into the liquid medicine in the filling process, the needle is not required to be in contact with the liquid medicine, the risk of being polluted is reduced, and the whole filling process is high in safety.
In the step, the annular rubber ring and the filling needle main body air bin can be directly connected through a hose, or the annular rubber ring can be communicated with the first through hole or the top connector.
Preferably, the bottom end of the filling needle body is fixedly connected with an air outlet pipe communicated with the first through hole, and the second through hole is positioned in the air outlet pipe.
The setting of outlet duct, the convenience further reduces the height of filling needle main part bottom and xiLin bottle bottom, lets the export can aim at the bottleneck more and pack, makes the inside liquid medicine of bottle can saturate fast, promotes efficiency.
Further preferably, the bottom end face of the filling needle main body is also fixedly connected with a bottom joint, and the air outlet pipe is positioned in the bottom joint; the sealing cap is fixedly connected with the filling needle body through a bottom joint.
Further preferably, the outer side walls of the top connector and the bottom connector are respectively provided with external threads, and the top of the sealing cap is in threaded connection with the bottom connector.
Preferably, the first air outlet holes are uniformly formed in a circle on the side surface of the filling needle body.
Further preferably, the external opening of the first air outlet hole is further provided with an air valve structure, and the air valve structure comprises a sliding block, a sealing cover, a second air outlet hole and a third air outlet hole;
the side wall of the sliding block is attached to the inner wall of the first air outlet hole, and the sliding block is slidably arranged in the first air outlet hole; the inside of the sliding block is provided with a second air outlet hole facing the opening of the filling needle main body air bin, the side wall of the sliding block, which is far away from one end of the filling needle main body air bin, is also provided with a third air outlet hole, and the third air outlet hole is communicated with the second air outlet hole; a sealing cover is also connected to the sliding block positioned at one side of the third air outlet hole, and the sealing cover is embedded on the side wall of the filling needle main body; the air valve structure is also provided with a reset piece for resetting.
Further preferably, the reset piece comprises a guide rod, a guide groove and a spring;
the guide groove is positioned on the side wall of the filling needle main body;
a guide rod is slidably arranged in the guide groove, one end of the guide rod is connected with a spring, and the other end of the spring is fixedly connected with the tail end of the inner wall of the guide groove;
the other end of the guide rod is fixedly connected with the sealing cover, and a plurality of resetting pieces are arranged along the axis of the sealing cover in a circle.
Preferably, a plurality of rubber ring air inlet channels are arranged in the sealing cap, one end of each rubber ring air inlet channel is communicated with the inside of the annular rubber ring, and the other end of each rubber ring air inlet channel is communicated with the inside of the air bin of the filling needle main body through a third through hole.
Further preferably, the shape of the sealing cap is horn-shaped with two open ends, and the inner diameter of the bottom opening of the sealing cap is larger than that of the top opening of the sealing cap.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
compared with the traditional nitrogen filling device for the penicillin bottles, the nitrogen filling needle structure for the penicillin bottles can effectively prevent pollutants from entering the bottle body during filling, meanwhile, the bottle mouth is not contacted during filling, the direct contact between the filling needle and liquid medicine is reduced, the infection risk is reduced, and the liquid medicine qualification rate is improved.
Drawings
FIG. 1 is a schematic view of the whole front section structure of the nitrogen-filled nitrogen tank of the present invention;
FIG. 2 is a schematic view of the overall front sectional structure of the invention in the resetting;
FIG. 3 is a schematic top view of the interior of the filling needle body of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;
wherein: 1. a filling needle body; 2. a top joint; 3. an air outlet pipe; 4. a first through hole; 5. filling needle main body air bin; 6. a second through hole; 7. sealing the cap; 8. an annular rubber ring; 9. a rubber ring air inlet channel; 10. a first air outlet hole; 11. a bottom joint; 12. a third through hole; 13. a slide block; 14. sealing cover; 15. a second air outlet hole; 16. a third air outlet hole; 17. a guide rod; 18. a guide groove; 19. and (3) a spring.
Description of the embodiments
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Examples of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
Spatially relative terms, such as "under", "below", "beneath", "under", "above", "over" and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "below" and "under" may include both an upper and a lower orientation. Furthermore, the device may also include an additional orientation (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.
As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof. Also, the term "and/or" as used in this specification includes any and all combinations of the associated listed items.
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
Examples
Referring to fig. 1-4, a nitrogen filling needle structure of a penicillin bottle comprises a filling needle main body 1, wherein a first through hole 4 penetrating through the upper end surface and the lower end surface of the filling needle main body 1 is arranged in the filling needle main body 1, and a filling needle main body air bin 5 is arranged in the filling needle main body 1; the upper end of the filling needle main body 1 is provided with a top joint 2 communicated with a first through hole 4; the bottom of the filling needle main body 1 is provided with a second through hole 6 penetrating through the bottom end surface of the filling needle main body, and the second through hole 6 is communicated with the filling needle main body air bin 5; the filling needle main body 1 is also provided with a first air outlet hole 10, and high-pressure gas sequentially passes through the top joint 2, the first through hole 4, the second through hole 6 and the first air outlet hole 10; still include the closing cap 7, closing cap 7 top fixed mounting is at filling needle main part 1 bottom terminal surface and closing cap 7 bottom opening setting, is provided with annular rubber circle 8 on the closing cap 7 inner wall, and annular rubber circle 8 communicates filling needle main part 1 inside.
In the above embodiment, the top connector 2 is connected with the lifting structure of filling and is connected with the gas cylinder, when filling, the penicillin bottle enters into the below of this structure, drives this structure through the lifting structure and moves down, lets annular rubber circle 8 be in penicillin bottle neck position, and above-mentioned process concrete positioning can be realized through the inside sensor of filling machine, and this part is prior art, and this application is not repeated.
After reaching the appointed position, the gas valve of the gas cylinder is opened, nitrogen enters the lower part of the structure through the top connector 2 and the first through hole 4 under high pressure, nitrogen is continuously filled into the penicillin bottle, air in the original bottle body enters the gas bin 5 of the filling needle main body through the second through hole 6 and is further discharged through the first gas outlet hole 10, part of high-pressure gas enters the annular rubber ring 8 to expand the annular rubber ring and seal the part Lin Pinggeng of the penicillin bottle, at the moment, the filling needle main body 1, the sealing cap 7, the annular rubber ring 8 and the upper part of the penicillin bottle form a closed structure, the inside of the structure is prevented from being mixed with external air, so that liquid medicine in the penicillin bottle is polluted during filling, after the inside of the penicillin bottle is saturated by inert gas, the gas valve is closed, the annular rubber ring 8 is recovered, meanwhile, the filling machine is driven to move up, the penicillin bottle is driven to enter the next step of sealing procedure, and the filling process is ended.
On the basis of the embodiment, the bottom end of the filling needle body 1 is fixedly connected with the air outlet pipe 3 communicated with the first through hole 4, and the second through hole 6 is positioned inside the air outlet pipe 3.
The setting of outlet duct 3, the convenience further reduces the height of filling needle main part 1 bottom and xiLin bottle bottom, lets the export can aim at the bottleneck more and carry out the filling, makes the inside liquid medicine of body can saturate fast, promotes filling efficiency.
On the basis of the embodiment, the bottom end face of the filling needle main body 1 is also fixedly connected with a bottom joint 11, and the air outlet pipe 3 is positioned in the bottom joint 11; the sealing cap 7 is fixedly connected with the filling needle body 1 through a bottom joint 11.
The structure is convenient to detach and replace the sealing cap 7, and convenient to maintain.
On the basis of the embodiment, the outer side walls of the top connector 2 and the bottom connector 11 are respectively provided with external threads, and the top of the sealing cap 7 is in threaded connection with the bottom connector 11.
Examples
Referring to fig. 1-4, a nitrogen filling needle structure of a penicillin bottle comprises a filling needle main body 1, wherein a first through hole 4 penetrating through the upper end surface and the lower end surface of the filling needle main body 1 is arranged in the filling needle main body 1, and a filling needle main body air bin 5 is arranged in the filling needle main body 1; the upper end of the filling needle main body 1 is provided with a top joint 2 communicated with a first through hole 4; the bottom of the filling needle main body 1 is provided with a second through hole 6 penetrating through the bottom end surface of the filling needle main body, and the second through hole 6 is communicated with the filling needle main body air bin 5; the filling needle main body 1 is also provided with a first air outlet hole 10, and high-pressure gas sequentially passes through the top joint 2, the first through hole 4, the second through hole 6 and the first air outlet hole 10; the filling needle also comprises a sealing cap 7, wherein the top of the sealing cap 7 is fixedly arranged on the bottom end face of the filling needle main body 1, the bottom of the sealing cap 7 is provided with an opening, the inner wall of the sealing cap 7 is provided with an annular rubber ring 8, and the annular rubber ring 8 is communicated with the inside of the filling needle main body 1; the first air outlet holes 10 are uniformly arranged on one circle of the side surface of the filling needle body 1.
The air valve structure is further arranged at the outer opening of the first air outlet hole 10 and comprises a sliding block 13, a sealing cover 14, a second air outlet hole 15 and a third air outlet hole 16;
the side wall of the sliding block 13 is attached to the inner wall of the first air outlet hole 10, and the sliding block 13 is slidably arranged in the first air outlet hole 10; the inside of the sliding block 13 is provided with a second air outlet hole 15 which faces towards the opening of the filling needle main body air bin 5, the side wall of the sliding block 13, which is far away from one end of the filling needle main body air bin 5, is also provided with a third air outlet hole 16, and the third air outlet hole 16 is communicated with the second air outlet hole 15; the sliding block 13 positioned at one side of the third air outlet hole 16 is also connected with a sealing cover 14, and the sealing cover 14 is embedded on the side wall of the filling needle main body 1; the air valve structure is also provided with a resetting piece for resetting.
The difference from embodiment 1 is that the above embodiment adds an air valve structure at the opening position of the first air outlet hole 10, and when filling, the slider 13 drives the sealing cover 14 to move outwards due to the air pressure effect, at this time, the third air outlet hole 16 is communicated with the outside, and at this time, the air is discharged from the structure through the second air outlet hole 15 and the third air outlet hole 16; when resetting after filling the previous penicillin bottle, the resetting piece can drive the air valve structure to reset, so that air is prevented from entering the structure again, and pollution risk is further reduced.
On the basis of the rising embodiment, the resetting piece comprises a guide rod 17, a guide groove 18 and a spring 19; the guide groove 18 is positioned on the side wall of the filling needle body 1; a guide rod 17 is slidably arranged in the guide groove 18, one end of the guide rod 17 is connected with a spring 19, and the other end of the spring 19 is fixedly connected with the tail end of the inner wall of the guide groove 18; the other end of the guide rod 17 is fixedly connected with the sealing cover 14, and a plurality of resetting pieces are arranged along the axis of the sealing cover 14 in a circle.
The guide rod 17 can position the whole air valve structure when moving in the guide groove 18, and meanwhile, the spring 19 is used for connecting the guide rod 17 and the inside of the guide groove 18, so that the whole air valve structure can be reset.
Examples
Referring to fig. 1-2, a nitrogen filling needle structure of a penicillin bottle comprises a filling needle main body 1, wherein a first through hole 4 penetrating through the upper end surface and the lower end surface of the filling needle main body 1 is arranged in the filling needle main body 1, and a filling needle main body air bin 5 is arranged in the filling needle main body 1; the upper end of the filling needle main body 1 is provided with a top joint 2 communicated with a first through hole 4; the bottom of the filling needle main body 1 is provided with a second through hole 6 penetrating through the bottom end surface of the filling needle main body, and the second through hole 6 is communicated with the filling needle main body air bin 5; the filling needle main body 1 is also provided with a first air outlet hole 10, and high-pressure gas sequentially passes through the top joint 2, the first through hole 4, the second through hole 6 and the first air outlet hole 10; the filling needle also comprises a sealing cap 7, wherein the top of the sealing cap 7 is fixedly arranged on the bottom end face of the filling needle main body 1, the bottom of the sealing cap 7 is provided with an opening, the inner wall of the sealing cap 7 is provided with an annular rubber ring 8, and the annular rubber ring 8 is communicated with the inside of the filling needle main body 1; the inside a plurality of rubber circle air inlet channel 9 that are provided with of sealing cap 7, rubber circle air inlet channel 9 one end is linked together with annular rubber circle 8 inside, and the other end is linked together with filling needle main part gas storehouse 5 inside through third through hole 12.
In the above embodiment, when the penicillin bottle is filled, the gas sequentially enters the filling needle main body gas bin 5 through the top connector 2, the first through hole 4 and the second through hole 6, and enters the annular rubber ring 8 through the third through hole 12 and the rubber ring air inlet channel 9, so that the annular rubber ring is expanded and seals the western Lin Pinggeng part.
The above embodiment is just one embodiment that high-pressure gas enters into the annular rubber ring 8, and the filling needle main body gas bin 5 and the annular rubber ring 8 can be directly connected through a hose, or the filling needle main body gas bin and the annular rubber ring 8 can be connected to the top joint 2 or the first through hole 4 or the second through hole 6 through a hose, and the other end of the filling needle main body gas bin is connected with the annular rubber ring 8.
On the basis of any one of the above embodiments, the shape of the sealing cap 7 is a horn shape with two open ends, and the inner diameter of the bottom opening of the sealing cap 7 is larger than the inner diameter of the top opening of the sealing cap 7. The shape can avoid the protruding annular rubber ring 8 from contacting the bottle mouth of the penicillin bottle when the whole structure moves downwards, and reduces the contact probability of the structure and the penicillin bottle.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (9)
1. The nitrogen filling needle structure of the penicillin bottle is characterized by comprising a filling needle main body (1), wherein a first through hole (4) penetrating through the upper end face and the lower end face of the filling needle main body (1) is formed in the filling needle main body (1), and a filling needle main body air bin (5) is formed in the filling needle main body (1); the upper end of the filling needle main body (1) is provided with a top joint (2) communicated with the first through hole (4); the bottom of the filling needle main body (1) is provided with a second through hole (6) penetrating through the bottom end surface of the filling needle main body, and the second through hole (6) is communicated with the filling needle main body air bin (5); the filling needle body (1) is also provided with a first air outlet hole (10), and high-pressure gas sequentially passes through the top joint (2), the first through hole (4), the second through hole (6) and the first air outlet hole (10);
still include sealing cap (7), sealing cap (7) top fixed mounting is at filling needle main part (1) bottom end face and sealing cap (7) bottom opening setting, be provided with annular rubber circle (8) on sealing cap (7) inner wall, annular rubber circle (8) intercommunication inside filling needle main part (1).
2. The penicillin bottle nitrogen filling needle structure according to claim 1, wherein the bottom end of the filling needle main body (1) is fixedly connected with an air outlet pipe (3) communicated with the first through hole (4), and the second through hole (6) is positioned in the air outlet pipe (3).
3. The penicillin bottle nitrogen filling needle structure according to claim 2, wherein the bottom end surface of the filling needle main body (1) is fixedly connected with a bottom joint (11), and the air outlet pipe (3) is positioned in the bottom joint (11); the sealing cap (7) is fixedly connected with the filling needle main body (1) through a bottom joint (11).
4. A penicillin bottle nitrogen filling needle structure according to claim 3, characterized in that the outer side walls of the top joint (2) and the bottom joint (11) are respectively provided with external threads, and the top of the sealing cap (7) is in threaded connection with the bottom joint (11).
5. The penicillin bottle nitrogen filling needle structure according to claim 1, wherein a plurality of first air outlet holes (10) are uniformly arranged on one circle of side face of the filling needle main body (1).
6. The penicillin bottle nitrogen filling needle structure according to claim 5, wherein an air valve structure is further arranged at the outer opening of the first air outlet hole (10), and comprises a sliding block (13), a sealing cover (14), a second air outlet hole (15) and a third air outlet hole (16);
the side wall of the sliding block (13) is attached to the inner wall of the first air outlet hole (10), and the sliding block (13) is slidably arranged in the first air outlet hole (10); a second air outlet hole (15) facing the opening of the filling needle main body air bin (5) is formed in the sliding block (13), a third air outlet hole (16) is further formed in the side wall, far away from one end of the filling needle main body air bin (5), of the side wall of the sliding block (13), and the third air outlet hole (16) is communicated with the second air outlet hole (15); a sealing cover (14) is further connected to the sliding block (13) positioned at one side of the third air outlet hole (16), and the sealing cover (14) is embedded on the side wall of the filling needle main body (1); the air valve structure is also provided with a reset piece for resetting.
7. The penicillin bottle nitrogen filling needle structure according to claim 6, characterized in that the return element comprises a guide rod (17), a guide groove (18) and a spring (19);
the guide groove (18) is positioned on the side wall of the filling needle main body (1);
a guide rod (17) is slidably arranged in the guide groove (18), one end of the guide rod (17) is connected with a spring (19), and the other end of the spring (19) is fixedly connected with the tail end of the inner wall of the guide groove (18);
the other end of the guide rod (17) is fixedly connected with the sealing cover (14), and a plurality of resetting pieces are arranged along the axis of the sealing cover (14) in a circle.
8. The penicillin bottle nitrogen filling needle structure according to claim 1, wherein a plurality of rubber ring air inlet channels (9) are arranged in the sealing cap (7), one end of each rubber ring air inlet channel (9) is communicated with the inside of the annular rubber ring (8), and the other end of each rubber ring air inlet channel is communicated with the inside of the filling needle main body air bin (5) through a third through hole (12).
9. The penicillin bottle nitrogen filling needle structure according to any of the claims 1-8, characterized in that the shape of the sealing cap (7) is horn-shaped with two open ends, and the inner diameter of the bottom opening of the sealing cap (7) is larger than the inner diameter of the top opening of the sealing cap (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311830218.5A CN117622601A (en) | 2023-12-28 | 2023-12-28 | Penicillin bottle nitrogen filling needle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311830218.5A CN117622601A (en) | 2023-12-28 | 2023-12-28 | Penicillin bottle nitrogen filling needle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117622601A true CN117622601A (en) | 2024-03-01 |
Family
ID=90016489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311830218.5A Pending CN117622601A (en) | 2023-12-28 | 2023-12-28 | Penicillin bottle nitrogen filling needle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117622601A (en) |
-
2023
- 2023-12-28 CN CN202311830218.5A patent/CN117622601A/en active Pending
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