CN204185236U - Defoaming device - Google Patents
Defoaming device Download PDFInfo
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- CN204185236U CN204185236U CN201420568364.5U CN201420568364U CN204185236U CN 204185236 U CN204185236 U CN 204185236U CN 201420568364 U CN201420568364 U CN 201420568364U CN 204185236 U CN204185236 U CN 204185236U
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- liquid
- storing bag
- separating film
- defoaming device
- suction pipe
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Abstract
The utility model discloses a kind of defoaming device, it comprises: liquid drawing device, described liquid drawing device comprises liquid suction pipe and piston rod, described liquid suction pipe limits drawing liquid chamber, described drawing liquid chamber is provided with the inlet, liquid outlet and the insert port that are in communication with the outside, and described piston rod to be located at slidably in described liquid suction pipe and to be formed sealing to described insert port; Liquid storing bag, described liquid storing bag is connected with described liquid suction pipe, and described liquid storing bag limits the liquid storage cylinder at least with region of no pressure, and described liquid storage cylinder is communicated with described liquid outlet; Separating film, described separating film and described liquid storing bag are fixed and are covered described liquid outlet, described separating film be configured to for liquid through and also stop the film that passes through of bubble.Defoaming device of the present utility model effectively can remove the bubble in liquid, and structure is simple, arrange rationally.
Description
Technical field
The utility model relates to injecting fluid de-bubble field, especially relates to a kind of defoaming device.
Background technology
In modern medicine technology, the normal treatment using the mode of direct liquid injection body medicine to carry out disease.Liquid drug easily produces bubble due to a variety of causes before use, the medicine that especially viscosity is larger, and its bubble is difficult to eliminate.The alveolate medicine of above-mentioned tool can cause medical personnel or patient accurately to judge to make dosage in use, has a strong impact on the control to conditions of patients.Meanwhile, for the feedway of these medicines of conveying, produce bubble and can produce extremely adverse influence to the kinetic pump in feedway, the serious inefficacy that may cause overall feedway.And the operability of existing industrial defoaming device is poor with safety, be not suitable for liquid drug de-bubble.
Utility model content
The utility model is intended to solve one of technical matters in correlation technique at least to a certain extent.For this reason, the utility model proposes a kind of defoaming device with effectively removal liquid bubble advantage.
According to the defoaming device of the utility model first aspect embodiment, it comprises: liquid drawing device, described liquid drawing device comprises liquid suction pipe and piston rod, described liquid suction pipe limits drawing liquid chamber, described drawing liquid chamber is provided with the inlet, liquid outlet and the insert port that are in communication with the outside, and described piston rod to be located at slidably in described liquid suction pipe and to be formed sealing to described insert port; Liquid storing bag, described liquid storing bag is connected with described liquid suction pipe, and described liquid storing bag limits the liquid storage cylinder at least with region of no pressure, and described liquid storage cylinder is communicated with described liquid outlet; Separating film, described separating film and described liquid storing bag are fixed and are covered described liquid outlet, described separating film be configured to for liquid through and also stop the film that passes through of bubble.
Defoaming device of the present utility model effectively can remove the bubble in liquid, and structure is simple, arrange rationally.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the defoaming device of the utility model embodiment;
Fig. 2 is the enlarged drawing of a-quadrant in Fig. 1.
Description of reference numerals: 100-defoaming device, 1-liquid drawing device, 11-liquid suction pipe, 12-piston rod, 13-drawing liquid chamber, 14-inlet, 15-liquid outlet, 16-insert port, 2-liquid storing bag, 21-liquid storage cylinder, 22-region of no pressure, 3-separating film, 4-barriers, 5-drawing liquid syringe needle, 6-adapter sleeve, 61-sealing, 62-installation portion, 63-container cavity, 64-installs buckle, and 200-treats de-bubble liquid bottles.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " on ", the orientation of the instruction such as D score, "front", "rear" or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
Below with reference to Fig. 1 ~ 2, the defoaming device 100 according to the utility model embodiment is described.
Fig. 1 is the structural representation of the defoaming device 100 of the utility model embodiment.As shown in Figure 1, the defoaming device 100 in the utility model embodiment comprises: liquid drawing device 1, liquid storing bag 2 and separating film 3.
Wherein, liquid drawing device 1 comprises liquid suction pipe 11 and piston rod 12, limit drawing liquid chamber 13 in liquid suction pipe 11, drawing liquid chamber 13 is provided with the inlet 14, liquid outlet 15, the insert port 16 that are in communication with the outside, and piston rod 12 to be located at slidably in liquid suction pipe 11 and to be formed sealing to insert port 16.Specifically, piston rod 12 matches with the inwall of liquid suction pipe 11, piston rod 12 is located at insert port 16 place and the insert port 16 of liquid suction pipe 11 is sealed, during use, inlet 14 with treat that de-bubble liquid bottles 200 is connected, liquid outlet 15 is connected with liquid storing bag 2, when such piston rod 12 moves to optional position, piston rod 12 all can form with drawing liquid chamber 13 inwall the liquid-retaining volume closed, when gas in liquid suction pipe 11 is all got rid of by piston rod 12, this liquid-retaining volume disappears, when piston rod 12 is along inwall mobile in drawing liquid chamber 13, this liquid-retaining volume changes thereupon.
Concrete, inlet 14 is relative with the end of piston rod 12, and the position of liquid outlet 15 is corresponding with the side face of piston rod 12; When piston rod 12 and liquid suction pipe 11 fit, inlet 14 and liquid outlet 15 are in closed condition; Pull back piston rod 12, the end of piston rod 12 is separated with liquid suction pipe 11, and inlet 14 is in open mode, and liquid outlet 15 is in closed condition, treats that the liquid in de-bubble liquid bottles 200 constantly enters drawing liquid chamber 13; After piston rod 12 moves a certain distance backward, liquid outlet 15 exposes in opened condition, treat that the liquid in de-bubble liquid bottles 200 enters drawing liquid chamber 13, and liquid enters liquid storing bag 2 from liquid outlet 15.In addition, those of ordinary skill in the art can imagine, the number of inlet 14, liquid outlet 15 can be all multiple.
Meanwhile, liquid storing bag 2 is connected with liquid suction pipe 11, and liquid storing bag limits the liquid storage cylinder 21 at least with region of no pressure 22, and liquid storage cylinder 21 is communicated with liquid outlet 15; Separating film 3 is fixing and covers liquid outlet 15 with liquid storing bag 2, separating film 3 be configured to for liquid through and also the film that passes through of prevention bubble.Liquid storage cylinder 21 can be all region of no pressure, also can comprise region of no pressure and barriers.In said structure, after liquid outlet 15 is opened, liquid flows in liquid storing bag 2 by the pull of vacuum effect of region of no pressure 22 from liquid outlet 15, and the separating film 3 be located in liquid storing bag 2 can filter the liquid flowing into liquid storing bag 2 from liquid outlet 15, bubble is intercepted at separating film 3 place, achieve the elimination to bubble, reduce alveolate liquid and enter liquid storing bag 2.
In the defoaming device 100 of the utility model embodiment, the inlet 14 of liquid drawing device 1 with treat that de-bubble liquid bottles 200 is connected, the liquid outlet 15 of liquid drawing device 1 is connected with liquid storing bag 2, the insert port 16 of piston rod 12 pairs of liquid drawing devices 1 seals, pull piston rod 12, liquid is drawn into from inlet 14, under gravity, wherein part air pocket to be separated to liquid drawing device 1 ionized motion with main body of liquid part, in liquid drawing device 1, mixed alveolate liquid is extracted out by the region of no pressure 22 of liquid storage cylinder 21 from liquid outlet 15, liquid filters through separating film 3 and is separated bubble and liquid before the liquid storage cylinder 21 falling into liquid storing bag 2, liquid after de-bubble enters liquid storing bag 2, effectively achieve the de-bubble of liquid.
In above-mentioned defoaming device 100, barriers can be set in liquid storing bag 2 to reduce the speed that liquid flows into liquid storing bag 2, to strengthen de-bubble effect.Preferably, liquid storing bag 2 comprises barriers 4, and barriers 4 is located in liquid storage cylinder 21 slidably, and barriers 4 is in liquid storage cylinder 21 and be located between region of no pressure 22 and liquid outlet 15.Region of no pressure 22 is formed through vacuumizing process, and the degree of vacuum of region of no pressure 22 can be arranged as required.Particularly, barriers 4 is positioned at the top of liquid storage cylinder 21, region of no pressure 22 is positioned at the below of liquid storage cylinder 21, barriers 4 is located at the below of liquid outlet 15, liquid storing bag 2 and liquid drawing device 1 are tightly connected at liquid outlet 15 place, during initial condition, barriers 4 is positioned at the top of liquid storing bag 2, after drawing liquid and liquid outlet 15 are opened, the suction that degree of vacuum in region of no pressure 22 produces drags barriers 4 and moves downward, ratio shared by region of no pressure 22 reduces gradually, liquid storage volume in liquid storage cylinder 21 above barriers 4 increases gradually, liquid is drawn from liquid outlet 15 by pull of vacuum, liquid flows out from liquid outlet 15 and falls in liquid storing bag 2 after separating film 3 filters, the setting of barriers 4 has been slowed down the flowing velocity of liquid, ensure that and treat fully contacting of de-bubble liquid and separating film 3, and then achieve abundant de-bubble.
Those of ordinary skill in the art can imagine, the shape of barriers 4 can be column, the shape such as spherical, hemispherical, but need to ensure that the liquid that the setting of barriers 4 does not affect liquid outlet 15 flows into liquid storing bag 2.Advantageously, the weight of barriers 4 can be reduced, to alleviate the weight of liquid storing bag 2, be convenient to transport.Preferably, barriers 4 is columniform piston, and piston is hollow structure.Preferably, the wall thickness range of piston is: 0.1-1mm.Preferably, piston is PE part, PET part or PU part.Hollow process is carried out to piston, or reduces the wall thickness of piston, or adopt the material of lightweight all can realize the loss of weight of piston.
Alternatively, the upper end of barriers 4 can contact with separating film 3, or has certain distance between the upper end of barriers 4 and separating film 3.Preferably, barriers 4 and separating film 3 fit.Adopt said structure, not there is gap between barriers 4 and separating film 3, avoid separating film 3 to deform under vacuum power effect, ensure the de-bubble effect of separating film.
Fig. 2 is the enlarged drawing of a-quadrant in Fig. 1.As shown in Figure 2, time not by pull of vacuum effect, separating film 3 is in flat, and when liquid outlet 15 is opened, separating film 3 is under the effect of pull of vacuum, and separating film is arc surfaced, and separating film 3 is inside successively away from liquid outlet 15 from edge.
The position of separating film 3 can be located at the optional position of liquid storing bag 2 import, and preferably, the edge of separating film 3 is pasted onto on the inwall of contiguous liquid outlet 15 of liquid storing bag 2.Adopt said structure, be convenient to the fixing of separating film 3.
Separating film 3 can adopt the microfiltration membranes of hollow fiber, and thickness, the material of separating film 3 can freely be arranged.Preferably, the thickness range of separating film 3 is: 0.1-2mm.Adopt the separating film 3 of above-mentioned thickness can realize effective de-bubble.Preferably, separating film 3 is PS (polysulfones) film, PVC (polyvinylchloride) film or PVDF (Kynoar) film.Separating film 3 adopts polymer material film, is convenient to machine-shaping, and cost is low.
Wherein, the material of liquid storing bag 2 and thickness can have multiple choices, and preferably, the thickness range of liquid storing bag 2 is: 0.3 ~ 1mm.Preferably, liquid storing bag 2 is PE (polyethylene) bag, PET (polyethylene terephthalate) bag or P polyurethane U bag.
Be understandable that the liquid storage volume in drawing liquid chamber 13 changes with the motion of piston rod 12, the liquid storage volume of liquid storage cylinder 21 becomes large with the expansion of liquid storing bag 2.Preferably, the maximum volume in drawing liquid chamber 13 is greater than the maximum liquid storage volume of liquid storing bag 2.When being provided with barriers 4 in liquid storage cylinder 21, the maximum liquid storage volume of liquid storing bag 2 is the volume that the maximum volume of liquid storage cylinder 21 deducts barriers 4.Adopt said structure to avoid air pocket and enter liquid storing bag 2, decrease the bubble in liquid storing bag 2.
Treat, in de-bubble liquid bottles 200, to realize the extraction of liquid as long as the inlet 14 of liquid drawing device 1 can insert.Such as, the end of inlet 14 is the shapes such as contraction-like, taper, and inlet 14 place also can arrange drawing liquid syringe needle 5 so that drawing liquid, and preferably, liquid drawing device 1 also comprises drawing liquid syringe needle 5, and drawing liquid syringe needle 5 is located at inlet 14 place.
Treat can set up ruggedized construction between de-bubble liquid bottles 200 with liquid drawing device 1 to ensure liquid pumping device and to treat the stability that de-bubble liquid bottles 200 is connected.Preferably, also comprise adapter sleeve 6, adapter sleeve 6 is set in inlet 14 place, is provided with container cavity 63 in adapter sleeve 6, being located at least partially in container cavity 63 of drawing liquid syringe needle 5.Container cavity 63 can some or all of coated drawing liquid syringe needle 5, and container cavity 63 ensure that the tight insertion of drawing liquid syringe needle 5, and drawing liquid syringe needle 5 is treated de-bubble liquid bottles 200 through inserting after container cavity 63 and then ensures to stablize drawing liquid.
The shape of adapter sleeve 6 can have multiple choices, and preferably, adapter sleeve 6 comprises: sealing 61 and installation portion 62, and container cavity 63 is formed in sealing 61, and drawing liquid syringe needle 5 to be located in sealing 61 and outwards to pass container cavity 63; One end of installation portion 62 is connected on sealing 61 and the other end opens wide, and the other end of installation portion 62 is provided with installs buckle 64.The installation buckle 64 of installation portion 62 with treat that de-bubble liquid bottles 200 is connected, the container cavity 63 of sealing 61 matches with drawing liquid syringe needle 5, not only meets the leak tightness at drawing liquid syringe needle 5 place, ensure that well liquid drawing device 1 and treats the stability between de-bubble liquid duckweed.
During actual use, for ensureing complete bubble-free, can by less than the volume of the medicine bottle needing de-bubble for liquid drawing device 1 Capacity design.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (11)
1. a defoaming device, is characterized in that, comprising:
Liquid drawing device, described liquid drawing device comprises liquid suction pipe and piston rod, described liquid suction pipe limits drawing liquid chamber, and described drawing liquid chamber is provided with the inlet, liquid outlet and the insert port that are in communication with the outside, and described piston rod to be located at slidably in described liquid suction pipe and to be formed sealing to described insert port;
Liquid storing bag, described liquid storing bag is connected with described liquid suction pipe, and described liquid storing bag limits the liquid storage cylinder at least with region of no pressure, and described liquid storage cylinder is communicated with described liquid outlet;
Separating film, described separating film and described liquid storing bag are fixed and are covered described liquid outlet, described separating film be configured to for liquid through and also stop the film that passes through of bubble.
2. defoaming device according to claim 1, is characterized in that, described liquid storing bag comprises barriers, and described barriers is located in described liquid storage cylinder slidably, and described barriers is in described liquid storage cylinder and be located between described region of no pressure and described liquid outlet.
3. defoaming device according to claim 2, is characterized in that, described barriers is columniform piston, and described piston is hollow structure, and the wall thickness range of described piston is: 0.1-1mm.
4. defoaming device according to claim 2, is characterized in that, described barriers and described separating film fit.
5. the defoaming device according to any one of Claims 1 to 4, is characterized in that, the edge of described separating film is pasted onto on the inwall of the described liquid outlet of vicinity of described liquid storing bag.
6. the defoaming device according to any one of Claims 1 to 4, is characterized in that, described separating film is microfiltration membranes, and the thickness range of described separating film is: 0.1-2mm.
7. the defoaming device according to any one of Claims 1 to 4, is characterized in that, the wall thickness range of described liquid storing bag is: 0.3 ~ 1mm.
8. the defoaming device according to any one of Claims 1 to 4, is characterized in that, the maximum volume in described drawing liquid chamber be greater than described liquid storing bag maximum liquid storage volume.
9. the defoaming device according to any one of Claims 1 to 4, is characterized in that, also comprises drawing liquid syringe needle, and described drawing liquid syringe needle is located at described inlet place.
10. defoaming device according to claim 9, is characterized in that, also comprises adapter sleeve, and described adapter sleeve is set in described inlet place, is provided with container cavity in described adapter sleeve, being located at least partially in described container cavity of described drawing liquid syringe needle.
11. defoaming devices according to claim 10, is characterized in that, described adapter sleeve comprises:
Sealing, described container cavity is formed in described sealing, and described drawing liquid syringe needle to be located in described sealing and outwards to pass described container cavity;
Installation portion, one end of described installation portion is connected on described sealing and the other end opens wide, and the described other end of described installation portion is provided with installation buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420568364.5U CN204185236U (en) | 2014-09-29 | 2014-09-29 | Defoaming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420568364.5U CN204185236U (en) | 2014-09-29 | 2014-09-29 | Defoaming device |
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| Publication Number | Publication Date |
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| CN204185236U true CN204185236U (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420568364.5U Active CN204185236U (en) | 2014-09-29 | 2014-09-29 | Defoaming device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108939219A (en) * | 2018-07-06 | 2018-12-07 | 深圳市国赛生物技术有限公司 | Bubble removal method, bubble removal system and storage medium in plunger pump cavity |
| CN109069953A (en) * | 2016-07-11 | 2018-12-21 | 惠普发展公司，有限责任合伙企业 | Foam merges |
-
2014
- 2014-09-29 CN CN201420568364.5U patent/CN204185236U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109069953A (en) * | 2016-07-11 | 2018-12-21 | 惠普发展公司，有限责任合伙企业 | Foam merges |
| CN109069953B (en) * | 2016-07-11 | 2021-11-26 | 惠普发展公司，有限责任合伙企业 | Foam merging |
| CN108939219A (en) * | 2018-07-06 | 2018-12-07 | 深圳市国赛生物技术有限公司 | Bubble removal method, bubble removal system and storage medium in plunger pump cavity |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |