CN111776300A - Liquid nitrogen rapid filling and fresh locking structure - Google Patents
Liquid nitrogen rapid filling and fresh locking structure Download PDFInfo
- Publication number
- CN111776300A CN111776300A CN202010582511.4A CN202010582511A CN111776300A CN 111776300 A CN111776300 A CN 111776300A CN 202010582511 A CN202010582511 A CN 202010582511A CN 111776300 A CN111776300 A CN 111776300A
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- China
- Prior art keywords
- liquid nitrogen
- filling
- sleeve
- bottle cap
- bottle
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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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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B7/00—Closing containers or receptacles after filling
- B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
- B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
Abstract
The invention discloses a liquid nitrogen quick filling and freshness locking structure, and aims to provide a liquid nitrogen quick filling and freshness locking structure which can be used for pre-sealing a bottle opening of a bottle body through a bottle cap or a bottle stopper on a liquid nitrogen filling station under the condition that liquid nitrogen filling is not influenced, so that the evaporation escape quantity of liquid nitrogen in the bottle is greatly reduced, and the utilization rate of the liquid nitrogen is improved. The liquid nitrogen filling device comprises a liquid nitrogen nozzle of a liquid nitrogen filling machine, a filling sleeve positioned below the liquid nitrogen nozzle, a bottle cap blanking sleeve positioned in the filling sleeve and a feeding pipe for connecting the bottle cap blanking sleeve and the filling sleeve, wherein the upper end of the filling sleeve is hermetically connected with the liquid nitrogen nozzle, a liquid nitrogen diversion port with the inner diameter gradually reduced from top to bottom is arranged in the lower port of the filling sleeve, a gap is formed between the filling sleeve and the bottle cap blanking sleeve, a liquid nitrogen diversion cavity is formed in the gap, a conical diversion body is arranged at the upper end of the bottle cap blanking sleeve and seals the upper port of the bottle cap blanking sleeve, and the outer diameter of the conical diversion body is gradually reduced.
Description
Technical Field
The invention relates to liquid nitrogen filling equipment, in particular to a liquid nitrogen quick filling and freshness locking structure.
Background
Liquid nitrogen is filled into the aluminum bottle or the plastic bottle, so that internal pressure is increased, deoxidation and freshness preservation are achieved, the bottle body can keep a round appearance, and meanwhile, the quality guarantee period of the product is effectively prolonged. At present, the liquid nitrogen filling in an aluminum bottle or a plastic bottle generally comprises the following two stations, namely a liquid nitrogen filling station and a station for sealing the bottle mouth of the aluminum bottle or the plastic bottle by using a bottle cap or a bottle plug; the method comprises the following steps of filling liquid nitrogen into an aluminum bottle or a plastic bottle at a liquid nitrogen filling station, conveying the aluminum bottle or the plastic bottle to a sealing station through conveying equipment, and sealing the aluminum bottle or the plastic bottle by using a bottle cap or a bottle plug at the sealing station. At present, after liquid nitrogen is filled into an aluminum bottle or a plastic bottle, the liquid nitrogen needs to be conveyed to a sealing station through conveying equipment for sealing, the liquid nitrogen filled into the aluminum bottle or the plastic bottle is quickly evaporated in the process, so that a large part of liquid nitrogen escapes through the evaporation of a bottle opening, and thus, in order to counteract the liquid nitrogen escaping due to evaporation, the amount of liquid nitrogen filled into the bottle needs to be increased, which not only can cause waste of the liquid nitrogen, but also can cause the problem that most of the liquid nitrogen in the aluminum bottle or the plastic bottle escapes due to insufficient liquid nitrogen filling, so that the quality guarantee period of a product is influenced due to insufficient liquid nitrogen in the aluminum bottle or the plastic bottle after sealing.
Disclosure of Invention
The invention aims to provide a liquid nitrogen quick filling and freshness locking structure which can pre-seal the bottle opening of a bottle body through a bottle cap or a bottle stopper on a liquid nitrogen filling station under the condition of not influencing liquid nitrogen filling, thereby greatly reducing the evaporation escape amount of liquid nitrogen in the bottle and improving the utilization rate of the liquid nitrogen.
The technical scheme of the invention is as follows:
a liquid nitrogen quick filling and freshness locking structure comprises a liquid nitrogen nozzle of a liquid nitrogen filling machine, a filling sleeve positioned below the liquid nitrogen nozzle, a bottle cap blanking sleeve positioned in the filling sleeve, and a feeding pipe for connecting the bottle cap blanking sleeve with the filling sleeve, wherein one end of the feeding pipe is communicated with the outer side surface of the filling sleeve, the end of the feeding pipe is provided with a bottle cap inlet, and the other end of the feeding pipe is communicated with an inner hole of the bottle cap blanking sleeve; the upper end of the filling sleeve is hermetically connected with a liquid nitrogen nozzle, a liquid nitrogen nozzle on the liquid nitrogen nozzle is positioned in the filling sleeve, a liquid nitrogen diversion port with the inner diameter gradually reduced from top to bottom is arranged in the lower port of the filling sleeve, a gap is formed between the filling sleeve and the bottle cap blanking sleeve, a liquid nitrogen diversion cavity is formed by the gap, and a gap is also formed between the lower end of the bottle cap blanking sleeve and the inner wall of the liquid nitrogen diversion port; the upper end of the bottle cap blanking sleeve is provided with a conical flow guide body, the conical flow guide body covers an upper port of the bottle cap blanking sleeve in a sealing mode, the outer diameter of the conical flow guide body is gradually reduced from bottom to top, and the top point of the conical flow guide body is located right below the liquid nitrogen nozzle.
The liquid nitrogen of this scheme adds the bright structure of lock fast concrete work as follows: after the bottle body is conveyed to a designated position below the liquid nitrogen nozzle, a liquid nitrogen nozzle on the liquid nitrogen nozzle sprays liquid nitrogen, the liquid nitrogen is guided into the liquid nitrogen guide cavity under the guide effect of the conical guide body and flows downwards into the liquid nitrogen guide opening through the liquid nitrogen guide cavity, and the liquid nitrogen is gathered downwards to the middle part below under the effect of the liquid nitrogen guide opening and flows downwards, so that the liquid nitrogen enters the bottle body through the bottle opening, and the liquid nitrogen is filled into the bottle body; then, the liquid nitrogen nozzle stops spouting the liquid nitrogen, simultaneously, bottle lid or bottle plug pass through bottle lid import and inlet pipe and carry to in the bottle lid blanking cover, then, bottle lid or bottle plug in the bottle lid blanking cover fall along bottle lid blanking cover under the dead weight effect to pass on the bottleneck of liquid nitrogen water conservancy diversion mouth falls to the bottle, thereby realize carrying out the pre-sealing to the bottleneck of bottle, so, carry the in-process that seals the station at the bottle, can greatly reduce the evaporation escape volume that the liquid nitrogen in the bottle passes through the bottleneck, in order to improve the liquid nitrogen utilization ratio.
Preferably, the lower end of the bottle cap blanking sleeve extends downwards into the liquid nitrogen flow guide opening.
Preferably, the filling sleeve and the bottle cap blanking sleeve are coaxially distributed.
Preferably, the inner diameter of the lower end of the liquid nitrogen diversion opening is larger than or equal to the inner diameter of the bottle cap blanking sleeve.
Preferably, the bottle cap blanking sleeve and the conical flow guide body are of an integrally formed structure.
Preferably, the feeding pipe is connected with the filling sleeve in a sealing way.
Preferably, the feeding pipe is connected with the bottle cap blanking sleeve in a sealing mode.
Preferably, the filling sleeve, the bottle cap blanking sleeve and the feeding pipe are all made of metal materials.
Preferably, the upper end of the filling sleeve is connected with the liquid nitrogen nozzle through welding.
The invention has the beneficial effects that: the bottle mouth of the bottle body can be pre-sealed through the bottle cap or the bottle plug on a liquid nitrogen filling station under the condition that liquid nitrogen filling is not influenced, so that the evaporation escape amount of liquid nitrogen in the bottle is greatly reduced, and the utilization rate of the liquid nitrogen is improved.
Drawings
Fig. 1 is a partial structural schematic view of a liquid nitrogen rapid filling and freshness-locking structure of the present invention.
In the figure:
a liquid nitrogen nozzle 1 and a liquid nitrogen nozzle 1.1;
a filling sleeve 2;
a bottle cap blanking sleeve 3;
a feeding pipe 4 and a bottle cap inlet 4.1;
a conical flow conductor 5;
a liquid nitrogen diversion cavity 6;
a liquid nitrogen diversion port 7;
and a bottle cap 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present scheme, and are not construed as limiting the scheme of the present invention.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited thereby. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in 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 the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "several" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows: as shown in fig. 1, a liquid nitrogen quick filling and freshness retaining structure comprises a liquid nitrogen nozzle 1 of a liquid nitrogen filling machine, a filling sleeve 2 positioned below the liquid nitrogen nozzle, a bottle cap blanking sleeve 3 positioned in the filling sleeve, and a feeding pipe 4 connecting the bottle cap blanking sleeve and the filling sleeve. In this embodiment, the filling sleeve and the bottle cap blanking sleeve are coaxially distributed. One end of the feed pipe is communicated with the outer side surface of the filling sleeve, and the end of the feed pipe forms a bottle cap inlet 4.1. The other end of the feeding pipe is communicated with an inner hole of the bottle cap blanking sleeve.
The upper end of the filling sleeve 2 is hermetically connected with a liquid nitrogen nozzle, and a liquid nitrogen nozzle 1.1 on the liquid nitrogen nozzle is positioned in the filling sleeve. A liquid nitrogen diversion port 7 with the inner diameter gradually reduced from top to bottom is arranged in the lower port of the filling sleeve. In this embodiment, the inner diameter of the lower end of the liquid nitrogen diversion opening is greater than or equal to the inner diameter of the bottle cap blanking sleeve. A gap is arranged between the filling sleeve and the bottle cap blanking sleeve, and the gap forms a liquid nitrogen diversion cavity 6. A gap is also arranged between the lower end of the bottle cap blanking sleeve and the inner wall of the liquid nitrogen diversion port. The upper end of the bottle cap blanking sleeve is provided with a conical flow guide body 5, the conical flow guide body covers an upper port of the bottle cap blanking sleeve in a sealing mode, the outer diameter of the conical flow guide body is gradually reduced from bottom to top, and the top point of the conical flow guide body is located right below the liquid nitrogen nozzle.
The liquid nitrogen of this embodiment fills the concrete work of locking the bright structure fast as follows: after the bottle body is conveyed to a designated position below the liquid nitrogen nozzle, a liquid nitrogen nozzle on the liquid nitrogen nozzle sprays liquid nitrogen, the liquid nitrogen is guided into the liquid nitrogen guide cavity under the guide effect of the conical guide body and flows downwards into the liquid nitrogen guide opening through the liquid nitrogen guide cavity, and the liquid nitrogen is gathered downwards to the middle part below under the effect of the liquid nitrogen guide opening and flows downwards, so that the liquid nitrogen enters the bottle body through the bottle opening, and the liquid nitrogen is filled into the bottle body;
then, the liquid nitrogen nozzle stops spraying liquid nitrogen, meanwhile, as shown in fig. 1, the bottle cap 8 or the bottle plug is conveyed into the bottle cap blanking sleeve through the bottle cap inlet and the feeding pipe, then the bottle cap or the bottle plug in the bottle cap blanking sleeve falls down along the bottle cap blanking sleeve under the action of self weight and passes through the liquid nitrogen diversion port to fall onto the bottle mouth of the bottle body, and therefore the bottle mouth of the bottle body is pre-sealed, and therefore in the process that the bottle body is conveyed to the sealing station, the evaporation escape amount of the liquid nitrogen in the bottle through the bottle mouth can be greatly reduced. Therefore, the bright structure of liquid nitrogen quick filling lock of this embodiment can be under the condition that does not influence the liquid nitrogen filling, on liquid nitrogen filling station, carry out the pre-sealing through bottle lid or bottle plug to the bottleneck of bottle to greatly reduce the liquid nitrogen evaporation escape volume in the bottle, with the improvement liquid nitrogen utilization ratio.
Further, the lower end of the bottle cap blanking sleeve extends downwards into the liquid nitrogen flow guide opening. Therefore, the guiding effect of the bottle cap blanking sleeve on the bottle cap or the bottle plug can be enhanced.
Furthermore, the bottle cap blanking sleeve and the conical flow guide body are of an integrally formed structure. Therefore, the method is convenient for actual processing and manufacturing.
Furthermore, the feed pipe is connected with the filling sleeve in a sealing way. The feeding pipe is connected with the bottle cap blanking sleeve in a sealing mode.
Furthermore, the filling sleeve, the bottle cap blanking sleeve and the feeding pipe are all made of metal materials.
Furthermore, the upper end of the filling sleeve is connected with a liquid nitrogen nozzle through welding.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (8)
1. A liquid nitrogen rapid filling and freshness locking structure comprises a liquid nitrogen nozzle of a liquid nitrogen filling machine and is characterized by further comprising a filling sleeve positioned below the liquid nitrogen nozzle, a bottle cap blanking sleeve positioned in the filling sleeve and a feeding pipe for connecting the bottle cap blanking sleeve with the filling sleeve, wherein one end of the feeding pipe is communicated with the outer side surface of the filling sleeve, the end of the feeding pipe forms a bottle cap inlet, and the other end of the feeding pipe is communicated with an inner hole of the bottle cap blanking sleeve;
the upper end of the filling sleeve is hermetically connected with a liquid nitrogen nozzle, a liquid nitrogen nozzle on the liquid nitrogen nozzle is positioned in the filling sleeve, a liquid nitrogen diversion port with the inner diameter gradually reduced from top to bottom is arranged in the lower port of the filling sleeve, a gap is formed between the filling sleeve and the bottle cap blanking sleeve, a liquid nitrogen diversion cavity is formed by the gap, and a gap is also formed between the lower end of the bottle cap blanking sleeve and the inner wall of the liquid nitrogen diversion port;
the upper end of the bottle cap blanking sleeve is provided with a conical flow guide body, the conical flow guide body covers an upper port of the bottle cap blanking sleeve in a sealing mode, the outer diameter of the conical flow guide body is gradually reduced from bottom to top, and the top point of the conical flow guide body is located right below the liquid nitrogen nozzle.
2. The quick liquid nitrogen filling and freshness retaining structure as claimed in claim 1, wherein the lower end of the bottle cap blanking sleeve extends downwards into the liquid nitrogen flow guide port.
3. The liquid nitrogen quick filling and freshness retaining structure as claimed in claim 1, wherein the filling sleeve and the bottle cap blanking sleeve are coaxially distributed.
4. The quick liquid nitrogen filling and freshness retaining structure as claimed in claim 1, 2 or 3, wherein the inner diameter of the lower end of the liquid nitrogen diversion opening is greater than or equal to the inner diameter of the bottle cap blanking sleeve.
5. The quick liquid nitrogen filling and freshness locking structure as claimed in claim 1, 2 or 3, wherein the bottle cap blanking sleeve and the conical flow guide body are of an integrally formed structure.
6. The liquid nitrogen quick filling and freshness retaining structure according to claim 1, 2 or 3, wherein the feeding pipe is hermetically connected with the filling sleeve.
7. The liquid nitrogen quick injection and freshness retaining structure as claimed in claim 1, 2 or 3, wherein the feeding pipe is hermetically connected with the bottle cap blanking sleeve.
8. The quick liquid nitrogen filling and freshness retaining structure as claimed in claim 1, 2 or 3, wherein the upper end of the filling sleeve is connected with the liquid nitrogen nozzle by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010582511.4A CN111776300B (en) | 2020-06-23 | 2020-06-23 | Liquid nitrogen rapid filling and fresh locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010582511.4A CN111776300B (en) | 2020-06-23 | 2020-06-23 | Liquid nitrogen rapid filling and fresh locking structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111776300A true CN111776300A (en) | 2020-10-16 |
| CN111776300B CN111776300B (en) | 2022-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010582511.4A Active CN111776300B (en) | 2020-06-23 | 2020-06-23 | Liquid nitrogen rapid filling and fresh locking structure |
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| CN (1) | CN111776300B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112641059A (en) * | 2020-12-21 | 2021-04-13 | 浙江大学舟山海洋研究中心 | Production process of liquid nitrogen injection locked fresh canned seasoning instant mantis shrimps |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2704516A1 (en) * | 1993-04-28 | 1994-11-04 | Remy Equipement | Process for capping under inert gas containers and device for its implementation. |
| US5971180A (en) * | 1998-09-02 | 1999-10-26 | Wu; Mao Sheng | Sealing plug cap for a sealing container |
| WO2001056889A1 (en) * | 2000-02-02 | 2001-08-09 | Difelice Dion P | Replacement cap with pressurizing mechanism for bottle |
| DE102008033818A1 (en) * | 2008-07-19 | 2010-01-21 | Kkb O2 Fluid Production Gmbh | Fluid container i.e. bottle, locking method for beverage filling system, involves introducing gas e.g. oxygen, into pressure chamber upto high pressure, and locking filler hole of container by using screw-type cap |
| CN104369896A (en) * | 2014-11-12 | 2015-02-25 | 山西江淮重工有限责任公司 | Vacuuming and nitrogen inflating device for sealed packaging box |
| CN212799586U (en) * | 2020-06-23 | 2021-03-26 | 浙江大学舟山海洋研究中心 | Quick filling structure for liquid nitrogen in bottle |
-
2020
- 2020-06-23 CN CN202010582511.4A patent/CN111776300B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2704516A1 (en) * | 1993-04-28 | 1994-11-04 | Remy Equipement | Process for capping under inert gas containers and device for its implementation. |
| US5971180A (en) * | 1998-09-02 | 1999-10-26 | Wu; Mao Sheng | Sealing plug cap for a sealing container |
| WO2001056889A1 (en) * | 2000-02-02 | 2001-08-09 | Difelice Dion P | Replacement cap with pressurizing mechanism for bottle |
| DE102008033818A1 (en) * | 2008-07-19 | 2010-01-21 | Kkb O2 Fluid Production Gmbh | Fluid container i.e. bottle, locking method for beverage filling system, involves introducing gas e.g. oxygen, into pressure chamber upto high pressure, and locking filler hole of container by using screw-type cap |
| CN104369896A (en) * | 2014-11-12 | 2015-02-25 | 山西江淮重工有限责任公司 | Vacuuming and nitrogen inflating device for sealed packaging box |
| CN212799586U (en) * | 2020-06-23 | 2021-03-26 | 浙江大学舟山海洋研究中心 | Quick filling structure for liquid nitrogen in bottle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112641059A (en) * | 2020-12-21 | 2021-04-13 | 浙江大学舟山海洋研究中心 | Production process of liquid nitrogen injection locked fresh canned seasoning instant mantis shrimps |
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| Publication number | Publication date |
|---|---|
| CN111776300B (en) | 2022-04-22 |
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