CN209507546U - A kind of 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 notch, it is connected to inside the notch and the needle tubing, the pipe thickness of the needle tubing is a, the depth capacity of the notch is b, then a < b, and the guiding surface for guiding gas to spray diagonally downward is formed between the notch 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

A kind of 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 notch, the notch and institute State connection inside needle tubing, the pipe thickness of the needle tubing is a, and the depth capacity of the notch is b, then a < b, the notch with The guiding surface for guiding gas to spray diagonally downward is formed between needle tubing outer wall.

As a further improvement of the above technical scheme: along the axial direction of the needle tubing, having between at least two notches There is spacing.

As a further improvement of the above technical scheme: there are three the notch is set, along the axis projection of the needle tubing, three A notch is 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 diameter on the upside of the notch is greater than the diameter of downside.

As a further improvement of the above technical scheme: the notch is cut by line or grinding molding.

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 notch, notch on the one hand and needle tubing inside be connected to, another aspect and needle tubing outer wall between formed Guiding surface for guiding gas to spray diagonally downward can guarantee gas after inert gas enters needle tubing from top to bottom It sprays diagonally downward, without negative inspiratory pressure phenomenon, while the air-flow cooperation gravity diagonally downward sprayed from notch is made With being conducive to downwards blow off the remaining medical fluid of bottle body inner wall, avoid remaining in bottleneck inner wall when high-temperature fusion drawing seal Medical fluid generates chemical change, and the substance that will not generate black, which covers, guarantees the drug quality after encapsulating on surface.

Further, there is spacing along the axial direction of needle tubing between notch, so as to process the notch of sufficient size, it is ensured that Notch sprays enough air-flows, and guarantee residual liquor blows off effect.

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.

Fig. 5 is the structural schematic diagram after Fig. 4 is rotated by 90 ° counterclockwise.

Fig. 6 is the partial enlarged view of Fig. 5.

Each label indicates in figure: 1, needle tubing；2, notch；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 6, 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 notch 2, notch 2 and needle tubing 1, the pipe thickness of needle tubing 1 is a, and the depth capacity of notch 2 is b, then a < b, lacks The guiding surface 21 for guiding gas to spray diagonally downward is formed between mouth 2 and 1 outer wall of needle tubing.

The filling Aerating needle, on the tube wall of needle tubing 1 be equipped at least one notch 2,2 one side of notch with inside needle tubing 1 On the other hand connection forms the guiding surface 2 for guiding gas to spray diagonally downward between 1 outer wall of needle tubing, works as indifferent gas After body enters needle tubing from top to bottom, can guarantee that gas sprays diagonally downward, without negative inspiratory pressure phenomenon, while from lack The air-flows diagonally downward that mouth 2 sprays cooperate gravity, are conducive to downwards blow off the remaining medical fluid of bottle body inner wall, avoid height Warm melt drawing remains in bottleneck inner wall medical fluid when sealing generates chemical change, and the substance that will not generate black is covered in table Face, the drug quality after guaranteeing encapsulation.

Further, in this embodiment along the axial direction of needle tubing 1 there is spacing between at least two notches 2.Between notch 2 Axial direction along needle tubing 1 has spacing, so as to process the notch 2 of sufficient size, it is ensured that notch 2 sprays enough air-flows, protects Card residual liquor blows off effect.

Further, in this embodiment, along the axis projection of needle tubing 1, three notches 2 are in 120 ° of folders there are three notch 2 sets Angle is evenly arranged.It can guarantee that bottle body bottleneck inner wall can circumferentially be blown to by the air-flow that notch 2 sprays in this way.

Further, the angle between guiding surface 21 and the axis of needle tubing 1 is β, then 10 °≤β≤70 °.Angle β exists Within the scope of this, 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 notch 2, drop Low manufacturing cost.In the present embodiment, β=30 °, so that the air-flow that notch 2 sprays has enough intensity, residual liquor blows off effect Fruit is good.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 Notch 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 air-flow of ejection Intensity 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 body The speed of interior gas discharge, and then improve filling efficiency.Certainly in other embodiments, existing skill can also be used in 1 lower end of needle tubing Enclosed construction in art, the speed that only gas is discharged in bottle body are slower.

Further, in this embodiment the diameter of 2 upside of notch is greater than the diameter of downside.

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 notch is larger, and yield rate is relatively low.For this purpose, notch 2 is cut or is ground by line as a preferred technical solution, in the present embodiment Machine-shaping.When specific machine-shaping, according to tool position by 1 clamping of needle tubing on lathe, then cutter along diagram direction into It gives, cuts out above-mentioned notch 2 on tube wall in such a way that line is cut or is ground, the depth of notch 2 is greater than the wall thickness of tube wall, obtains The gas that notch 2 shunts is more, flow is big.

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 (8)

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 lacked equipped at least one It is connected to inside mouth (2), the notch (2) and the needle tubing (1), the pipe thickness of the needle tubing (1) is a, the notch (2) Depth capacity is b, then a < b, is formed between the notch (2) and needle tubing (1) outer wall for guiding gas to spray diagonally downward Guiding surface (21).

2. filling Aerating needle according to claim 1, it is characterised in that: the axial direction along the needle tubing (1), at least two institutes Stating has spacing between notch (2).

3. filling Aerating needle according to claim 1, it is characterised in that: there are three the notch (2) sets, along the needle tubing (1) axis projection, three notches (2) are evenly arranged in 120 ° of angles.

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

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

6. filling Aerating needle according to claim 1 or 2 or 3, it is characterised in that: the needle tubing (1) is hollow structure.

7. filling Aerating needle according to claim 1 or 2 or 3, it is characterised in that: the diameter on the upside of the notch (2) is big Diameter in downside.

8. filling Aerating needle according to claim 7, it is characterised in that: the notch (2) cut by line or grinding at Type.