CN109124799A - A kind of imbibition check-valves - Google Patents
A kind of imbibition check-valves Download PDFInfo
- Publication number
- CN109124799A CN109124799A CN201811155276.1A CN201811155276A CN109124799A CN 109124799 A CN109124799 A CN 109124799A CN 201811155276 A CN201811155276 A CN 201811155276A CN 109124799 A CN109124799 A CN 109124799A
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- China
- Prior art keywords
- annular concave
- latter half
- concave platform
- silicon film
- arc boss
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Abstract
The present invention provides a kind of imbibition check-valves, are connected on ptysma-absorbing tube, by internal structure design, the case where making liquid that can only flow out outward, be not in reflux, using more clean hygiene, also effectively prevent cross-infection.Check-valves is divided into first half and latter half of along liquid flow direction, and first half be connected to latter half of inside by inner passage, and liquid is from first half sucking, from latter half of discharge, the first half with it is latter half of between equipped with corresponding connected structure, connected by connected structure；It states and is additionally provided with the third annular concave platform being recessed inwardly on the inside of bulge loop, be inner passage on the inside of the third annular concave platform, be equipped with flexible silicon film in the third annular concave platform, the flexible silicon film is pressed in third annular concave platform by compressing structure.
Description
Technical field
The invention belongs to technical field of medical equipment, more particularly, to a kind of imbibition check-valves.
Background technique
During oral medical, the saliva generated by ptysma-absorbing tube to oral cavity is needed to be discharged, but is drawing saliva
During liquid, if the saliva in ptysma-absorbing tube has the process of a reflux, inhales after motor operation or artificial stopping are drawn
Saliva in salivary duct is understood some and is flowed back into oral cavity, not only unhygienic in this way, it is also possible to cause cross-infection.
Summary of the invention
In view of this, the present invention is directed to propose a kind of imbibition check-valves, will appear reflux to solve existing ptysma-absorbing tube,
It is very unhygienic, and it is possible to the case where causing cross-infection.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of imbibition check-valves is divided into first half and latter half of along liquid flow direction, and first half and latter half of inside pass through inside
Channel connection, liquid from first half suck, from latter half of discharge, the first half with it is latter half of between be equipped with corresponding grafting knot
Structure is connected by connected structure；
The first half and latter half of adjacent one end extend to form bulge loop outward, are formed between the outside and first half of bulge loop
First annular concave station, it is described latter half of equipped with the second annular concave platform corresponding with the bulge loop, the bulge loop and described second
Annular concave platform grafting；
It is additionally provided with the third annular concave platform being recessed inwardly on the inside of the bulge loop, is internal logical on the inside of the third annular concave platform
Road, the third annular concave platform is interior to be equipped with flexible silicon film, and the flexible silicon film is pressed on third annular by compressing structure
In concave station, the outer diameter of the flexible silicon film is greater than the internal diameter of third annular concave platform, described less than the outer diameter of third annular concave platform
Internal diameter of the outer diameter of flexible silicon film less than the second annular concave platform.
Further, the first half and latter half of all funnel-shaped, the direction internal diameter that the first half is flowed to along liquid
It is gradually increased；
The latter half of direction internal diameter along liquid flow direction is gradually reduced.
Further, the first half is less than the internal diameter of connecting tube far from latter half of one end outer diameter, and the first half is remote
It is plugged in connecting tube from latter half of one end.
Further, the outer diameter of one end of the latter half of separate first half is less than the internal diameter of connecting tube, described latter half of
One end far from first half is plugged in connecting tube.
Further, the flexible silicon film is disk, and the disk two sides are designed with circular groove；
The compressing structure is circular arc boss, and the radius of the arc boss is identical as the radius of the circular groove；
The arc boss is two, including the first arc boss on the inside of the third annular concave platform of first half is arranged in, and
The second arc boss on the inside of the second latter half of annular concave platform is set；
First arc boss and the second arc boss are corresponding, and cooperation compresses flexible silicon film.
Further, the first half and the latter half of side equipped with arc boss are all entity structure, inside check-valves
Side equipped with arc boss is planar structure.
Further, the first half and it is latter half of between be additionally provided with position limiting structure, the position limiting structure includes that setting exists
Limiting slot on the outside of bulge loop, and the limited block being arranged on the second annular concave platform, the limiting slot and the limited block cooperate
Installation.
Compared with the existing technology, imbibition of the present invention is had the advantage that with check-valves
Imbibition of the present invention is connected on ptysma-absorbing tube with check-valves, by internal structure design, makes liquid can only be outward
The case where outflow is not in reflux, using more clean hygiene, also effectively prevents cross-infection.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is imbibition check-valves entirety sectional view described in the embodiment of the present invention；
Fig. 2 is first half structure chart described in the embodiment of the present invention；
Fig. 3 is latter half of structure chart described in the embodiment of the present invention；
Fig. 4 is elastic silica gel chip architecture figure described in the embodiment of the present invention.
Description of symbols:
1, first half；11, first annular concave station；12, third annular concave platform；13, the first arc boss；14, limiting slot；15, convex
Ring；2, latter half of；21, the second annular concave platform；22, limited block；23, the second arc boss；3- flexible silicon film；31, round recessed
Slot.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1 to Figure 3, a kind of imbibition check-valves is divided into first half 1 and latter half of 2, first half along liquid flow direction
1 be connected to latter half of 2 inside by inner passage, and liquid is sucked from first half 1, is discharged from latter half of 2, the first half 1 and
It is equipped with corresponding connected structure between latter half of 2, is connected by connected structure, can also use and be adhesively fixed after grafting；
The first half 1 one end adjacent with latter half of 2 extends to form bulge loop 15, the outside of bulge loop 15 and first half 1 outward
Between form first annular concave station 11, described latter half of 2 are equipped with second annular concave platform 21 corresponding with the bulge loop 15, described
Bulge loop 15 and 21 grafting of the second annular concave platform；
It is additionally provided with the third annular concave platform 12 being recessed inwardly on the inside of the bulge loop 15, is interior on the inside of the third annular concave platform 12
Portion channel, the third annular concave platform 12 is interior to be equipped with flexible silicon film 3, and the flexible silicon film 3 is pressed on by compressing structure
In third annular concave platform 12, the outer diameter of the flexible silicon film 3 is greater than the internal diameter of third annular concave platform 12, and it is recessed to be less than third annular
The outer diameter of platform 12, the internal diameter of the outer diameter of the flexible silicon film 3 less than the second annular concave platform 21.
The first half 1 and latter half of 2 all funnel-shaped, the first half 1 gradually increases along the direction internal diameter that liquid flows to
Greatly；
Described latter half of 2 are gradually reduced along the direction internal diameter that liquid flows to.
The first half 1 is less than the internal diameter of connecting tube far from latter half of 2 one end outer diameter, and the first half 1 is far from later half
The one end in portion 2 is plugged in connecting tube.
The outer diameter of described latter half of 2 one end far from first half 1 is less than the internal diameter of connecting tube, and described latter half of 2 far from before
One end of half portion 1 is plugged in connecting tube.First half 1 and latter half of 2 can be using being adhesively fixed with connecting tube.
As shown in figure 4, the flexible silicon film 3 is disk, the disk two sides are designed with circular groove 31；
The compressing structure is circular arc boss, and the radius of the arc boss is identical as the radius of the circular groove 31；
The arc boss is two, the first arc boss 13 of 12 inside of third annular concave platform including first half 1 is arranged in,
And the second arc boss 23 of latter half of 2 21 inside of the second annular concave platform is set；
First arc boss 13 and the second arc boss 23 are corresponding, and cooperation compresses flexible silicon film 3.Pass through two arcs
Concave station compresses a part of flexible silicon film 3, and flexible silicon film 3 is the internal pipeline for blocking first half 1 under normal circumstances,
During inhaling saliva, inside forms negative pressure, and flexible silicon film 3 opens under the action of negative pressure to latter half of 2 direction, saliva
It is extracted by elastic silica gel and latter half of 2, when motor stops working or manually stops working, flexible silicon film 3 resets, and
And flexible silicon film 3 the case where being blocked by third annular concave platform 12, effectively prevented internal liquid from flowing back.
The first half 1 and latter half of 2 sides equipped with arc boss are all entity structure, are equipped with arc inside check-valves
The side of boss is planar structure.
Position limiting structure is additionally provided between the first half 1 and latter half of 2, the position limiting structure includes being arranged outside bulge loop 15
The limiting slot 14 of side, and the limited block 22 being arranged on the second annular concave platform 21, the limiting slot 14 and the limited block 22
It is coupled.By the Fast Installation of the more convenient first half 1 and latter half of 2 of position limiting structure, and it is convex to can be two arcs
Platform accurately compresses flexible silicon film 3.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of imbibition check-valves, it is characterised in that: be divided into first half (1) and latter half of (2), first half along liquid flow direction
(1) it is connected to latter half of (2) inside by inner passage, liquid is sucked from first half (1), is discharged from latter half of (2), before described
It is equipped with corresponding connected structure between half portion (1) and latter half of (2), is connected by connected structure；
The first half (1) and latter half of (2) adjacent one end extend to form bulge loop (15) outward, the outside of bulge loop (15) with
It is formed between first half (1) first annular concave station (11), described latter half of (2) are equipped with corresponding with the bulge loop (15) second
Annular concave platform (21), the bulge loop (15) and the second annular concave platform (21) grafting；
The third annular concave platform (12) being recessed inwardly is additionally provided on the inside of the bulge loop (15), the third annular concave platform (12) is interior
Side is inner passage, is equipped with flexible silicon film (3) in the third annular concave platform (12), and the flexible silicon film (3) passes through pressure
Locking structure is pressed in third annular concave platform (12), and the outer diameter of the flexible silicon film (3) is greater than third annular concave platform (12)
Internal diameter is less than the outer diameter of third annular concave platform (12), and the outer diameter of the flexible silicon film (3) is less than the second annular concave platform (21)
Internal diameter.
2. imbibition check-valves according to claim 1, it is characterised in that: the first half (1) and latter half of (2) are all in
Funnel-form, the first half (1) are gradually increased along the direction internal diameter that liquid flows to；
Latter half of (2) are gradually reduced along the direction internal diameter that liquid flows to.
3. imbibition check-valves according to claim 1, it is characterised in that: the first half (1) is far from latter half of (2)
One end outer diameter is less than the internal diameter of connecting tube, and the first half (1) is plugged in connecting tube far from the one end of latter half of (2).
4. imbibition check-valves according to claim 1, it is characterised in that: latter half of (2) are far from first half (1)
The outer diameter of one end is less than the internal diameter of connecting tube, and latter half of (2) are plugged in connecting tube far from the one end of first half (1).
5. imbibition check-valves according to claim 1, it is characterised in that: the flexible silicon film (3) is disk, described
Disk two sides are designed with circular groove (31)；
The compressing structure is circular arc boss, and the radius of the arc boss is identical as the radius of the circular groove (31)；
The arc boss is two, and the first arc including being arranged on the inside of the third annular concave platform (12) of first half (1) is convex
Platform (13), and the second arc boss (23) being arranged on the inside of second annular concave platform (21) of latter half of (2)；
First arc boss (13) and the second arc boss (23) are corresponding, and cooperation compresses flexible silicon film (3).
6. imbibition check-valves according to claim 5, it is characterised in that: the first half (1) and latter half of (2) are equipped with
The side of arc boss is all entity structure, and the side that arc boss is equipped with inside check-valves is planar structure.
7. imbibition check-valves according to claim 1, it is characterised in that: between the first half (1) and latter half of (2)
It is additionally provided with position limiting structure, the position limiting structure includes the limiting slot (14) being arranged on the outside of bulge loop (15), and is arranged second
Limited block (22) on annular concave platform (21), the limiting slot (14) are coupled with the limited block (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811155276.1A CN109124799A (en) | 2018-09-30 | 2018-09-30 | A kind of imbibition check-valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811155276.1A CN109124799A (en) | 2018-09-30 | 2018-09-30 | A kind of imbibition check-valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109124799A true CN109124799A (en) | 2019-01-04 |
Family
ID=64813982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811155276.1A Pending CN109124799A (en) | 2018-09-30 | 2018-09-30 | A kind of imbibition check-valves |
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| Country | Link |
|---|---|
| CN (1) | CN109124799A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1502026A (en) * | 2001-03-21 | 2004-06-02 | ��ʽ����Jms | Rotary connector with valve |
| CN201267678Y (en) * | 2008-07-18 | 2009-07-08 | 上海双鸽实业有限公司 | Disposal one-way valve for infusion |
| CN201533946U (en) * | 2009-11-19 | 2010-07-28 | 天津市塑料研究所 | Medical one-way valve |
| CN202236533U (en) * | 2011-10-13 | 2012-05-30 | 汤善芳 | Check valve for hemodialysis machine |
| CN202691164U (en) * | 2012-07-31 | 2013-01-23 | 江苏省原子医学研究所 | Medical check valve |
| CN103052416A (en) * | 2010-08-06 | 2013-04-17 | En大冢制药株式会社 | Three-way valve unit, non-return valve, and fluid material transfer device |
| CN207575272U (en) * | 2017-03-24 | 2018-07-06 | 王丽媛 | Anti-error suction saliva suction device |
| CN209474836U (en) * | 2018-09-30 | 2019-10-11 | 天津伊腾圣杰医疗器械有限公司 | A kind of ptysma-absorbing tube check-valves |
-
2018
- 2018-09-30 CN CN201811155276.1A patent/CN109124799A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1502026A (en) * | 2001-03-21 | 2004-06-02 | ��ʽ����Jms | Rotary connector with valve |
| CN201267678Y (en) * | 2008-07-18 | 2009-07-08 | 上海双鸽实业有限公司 | Disposal one-way valve for infusion |
| CN201533946U (en) * | 2009-11-19 | 2010-07-28 | 天津市塑料研究所 | Medical one-way valve |
| CN103052416A (en) * | 2010-08-06 | 2013-04-17 | En大冢制药株式会社 | Three-way valve unit, non-return valve, and fluid material transfer device |
| CN202236533U (en) * | 2011-10-13 | 2012-05-30 | 汤善芳 | Check valve for hemodialysis machine |
| CN202691164U (en) * | 2012-07-31 | 2013-01-23 | 江苏省原子医学研究所 | Medical check valve |
| CN207575272U (en) * | 2017-03-24 | 2018-07-06 | 王丽媛 | Anti-error suction saliva suction device |
| CN209474836U (en) * | 2018-09-30 | 2019-10-11 | 天津伊腾圣杰医疗器械有限公司 | A kind of ptysma-absorbing tube check-valves |
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