CN209506193U - Filling Aerating needle - Google Patents

Abstract

The utility model discloses a kind of filling Aerating needles, including needle tubing, the tube wall of the needle tubing is equipped at least one aeration tank, is connected to inside the aeration tank upper section and needle tubing, and the guiding surface for guiding gas to spray diagonally downward is formed between aeration tank lower section and needle tubing outer wall.The advantages that the utility model has structure simple, is conducive to blow off the remaining medical fluid of bottleneck inner wall, guarantees the drug quality after encapsulating.

Description

Filling Aerating needle

Technical field

The utility model relates to food, medicine packaging machinery more particularly to a kind of filling Aerating needles.

Background technique

Medical fluid needs to be filled with inert gas in bottle after pouring into Packaging Bottle, reduces oxygen content in bottle body, prevents from sealing Oxidation of drug in bottle body afterwards, to enhance shelf lives.The main method inflated at present is using Aerating needle to being filled in bottle body Inert gas (common such as nitrogen), but Aerating needle air-flow is excessive sometimes that liquid level in bottle body is easy to cause to splash, medical fluid attachment In bottle wall, filling quality is influenced；On the other hand, when progress medical fluid is filling, medical fluid is also possible to remain on bottle body bottleneck, Especially when filling to ampoule bottle progress medical fluid, since ampoule bottle-neck is elongated, medical fluid is particularly easy to remain in bottleneck inner wall, When carrying out high-temperature fusion drawing seal after filling, the medical fluid that bottleneck remains in bottleneck inner wall during high temperature sintering can generation Variation is learned, while ampoule bottle sealing part is easy to cover because of the substance of high temperature sintering generation black on surface, after largely effecting on encapsulation Drug quality.Aerating needle lower end air-flow is excessive in order to prevent causes liquid level to splash, while utilizing air-flow by the medicine of bottleneck inner wall Liquid is blown off, and existing Aerating needle mostly opens up aeration aperture, aeration aperture axis horizontal arrangement on the tube wall of needle tubing.This structure Aeration aperture gas can not spray, and can generate negative inspiratory pressure phenomenon on the contrary, cause anti-liquid level to splash effect unobvious, can not be true Guarantor blows off the remaining medical fluid of bottleneck inner wall.

Utility model content

The technical problems to be solved in the utility model is that overcome the deficiencies of the prior art and provide a kind of structure simple, favorably In the filling Aerating needle for blowing off the remaining medical fluid of bottleneck inner wall.

In order to solve the above technical problems, the utility model uses following technical scheme:

The tube wall of a kind of filling Aerating needle, including needle tubing, the needle tubing is equipped at least one aeration tank, the aeration tank It is connected to inside upper section and needle tubing, forms the guiding for guiding gas to spray diagonally downward between aeration tank lower section and needle tubing outer wall Inclined-plane.

As a further improvement of the above technical scheme: there are three the aeration tank is set, along the axis projection of the needle tubing, Three aeration tanks are evenly arranged in 120 ° of angles.

As a further improvement of the above technical scheme: the angle between the guiding surface and the axis of the needle tubing is β, then 10 °≤β≤70 °.

As a further improvement of the above technical scheme: β=30 °.

As a further improvement of the above technical scheme: the needle tubing is hollow structure.

As a further improvement of the above technical scheme: the aeration tank is formed by electrical discharge machining.

Compared with the prior art, the advantages of the utility model are: filling Aerating needle disclosed by the utility model, in needle tubing Tube wall be equipped at least one aeration tank, aeration tank on the one hand and needle tubing inside be connected to, another aspect and needle tubing outer wall between Forming the guiding surface for guiding gas to spray diagonally downward can guarantee after inert gas enters needle tubing from top to bottom Gas sprays diagonally downward, without negative inspiratory pressure phenomenon, while the air-flow cooperation diagonally downward sprayed from aeration tank Gravity is conducive to downwards blow off the remaining medical fluid of bottle body inner wall, avoids remaining in bottleneck when high-temperature fusion drawing seal The medical fluid of inner wall generates chemical change, and the substance that will not generate black, which covers, guarantees the drug quality after encapsulating on surface.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the filling Aerating needle of the utility model.

Fig. 2 is the schematic view of the front view of the filling Aerating needle of the utility model.

Fig. 3 is the overlooking structure diagram of the filling Aerating needle of the utility model.

Fig. 4 is the side structure schematic view of the filling Aerating needle of the utility model.

Each label indicates in figure: 1, needle tubing；2, aeration tank；21, guiding surface.

Specific embodiment

The utility model is described in further detail below in conjunction with Figure of description and specific embodiment.

As shown in Figures 1 to 4, the tube wall of the filling Aerating needle of the present embodiment, including needle tubing 1, needle tubing 1 is equipped at least one It is connected to inside a aeration tank 2,2 upper section of aeration tank and needle tubing 1, is formed between 1 outer wall of 2 lower section of aeration tank and needle tubing for guiding gas The guiding surface 21 that body sprays diagonally downward.

The filling Aerating needle is equipped at least one aeration tank 2,2 one side of aeration tank and needle tubing 1 on the tube wall of needle tubing 1 On the other hand inside connection forms the guiding surface 21 for guiding gas to spray diagonally downward, when lazy between 1 outer wall of needle tubing After property gas enters needle tubing 1 from top to bottom, it can guarantee that gas sprays diagonally downward, without negative inspiratory pressure phenomenon, together When the air-flow diagonally downward that is sprayed from aeration tank 1 cooperate gravity, be conducive to downwards blow the remaining medical fluid of bottle body inner wall It falls, avoids the medical fluid for remaining in bottleneck inner wall when high-temperature fusion drawing seal from generating chemical change, the object of black will not be generated Matter covers the drug quality on surface, after guaranteeing encapsulation.

Further, in this embodiment, along the axis projection of needle tubing 1, three aeration tanks 2 are in there are three aeration tank 2 sets 120 ° of angles are evenly arranged.It can guarantee bottle body bottleneck inner wall so circumferentially and can be inflated that the air-flow of the ejection of slot 2 is blown to.

Further, the angle between guiding surface 21 and the axis of needle tubing 1 is β, then 10 °≤β≤70 °.Angle β is at this In range, the effect of blowing off of residual liquor is on the one hand advantageously ensured that, be on the other hand also convenient for the machining of aeration tank 2, drop Low manufacturing cost.In the present embodiment, β=30 °, so that the air-flow that aeration tank 2 sprays has enough intensity, residual liquor is blown off It works well.It certainly in other embodiments can also appropriate adjustment within the above range.

Further, in this embodiment needle tubing 1 is 1 lower ending opening of hollow structure namely needle tubing, rather than enclosed construction.By Aeration tank 2 in this present embodiment can effectively weaken the current rate in needle tubing 1, even if 1 lower end of needle tubing is open, the gas of ejection Intensity of flow will not be excessive, not will lead to medical fluid and splashes；Further, needle tubing 1 uses lower ending opening structure, is conducive to improve bottle The speed of internal gas discharge, and then improve filling efficiency.Certainly in other embodiments, 1 lower end of needle tubing can also be used existing Enclosed construction in technology, the speed that only gas is discharged in bottle body are slower.

Due to Aerating needle sheet as diameter compared with thin the longer slender type hollow part of length, process on it above-mentioned 2 difficulty of aeration tank is larger, and yield rate is relatively low.For this purpose, aeration tank 2 is formed by electrical discharge machining in the present embodiment.Specifically it is processed into When type, according to the position of cutter by 1 clamping of needle tubing on lathe, cutter is fed from side along vertical 1 axis direction of needle tubing, is passed through The mode of edm forming cuts out above-mentioned aeration tank 2 and guiding surface 21 on tube wall, the gas that obtained aeration tank 2 shunts It is more, flow is big, while remove material it is less.

Although the utility model has been disclosed with preferred embodiment as above, it is not intended to limit the utility model.It is any Those skilled in the art, in the case where not departing from technical solutions of the utility model range, all using the disclosure above Technology contents many possible changes and modifications are made to technical solutions of the utility model, or be revised as the equivalent of equivalent variations Embodiment.Therefore, all contents without departing from technical solutions of the utility model, according to the utility model technical spirit to the above reality Any simple modifications, equivalents, and modifications that example is done are applied, should all be fallen in the range of technical solutions of the utility model protection.

Claims (6)

1. a kind of filling Aerating needle, including needle tubing (1), it is characterised in that: the tube wall of the needle tubing (1) is filled equipped at least one It is connected to inside air drain (2), aeration tank (2) upper section and needle tubing (1), is formed between aeration tank (2) lower section and needle tubing (1) outer wall Guiding surface (21) for guiding gas to spray diagonally downward.

2. filling Aerating needle according to claim 1, it is characterised in that: there are three the aeration tank (2) sets, along the needle The axis projection of (1) is managed, three aeration tanks (2) are evenly arranged in 120 ° of angles.

3. filling Aerating needle according to claim 1 or 2, it is characterised in that: the guiding surface (21) and the needle tubing (1) the angle between axis is β, then 10 °≤β≤70 °.

4. filling Aerating needle according to claim 3, it is characterised in that: β=30 °.

5. filling Aerating needle according to claim 1 or 2, it is characterised in that: the needle tubing (1) is hollow structure.

6. filling Aerating needle according to claim 1 or 2, it is characterised in that: the aeration tank (2) by electrical discharge machining at Type.