CN208959130U - Multiple unidirectional sealing joint and piping installation - Google Patents
Multiple unidirectional sealing joint and piping installation Download PDFInfo
- Publication number
- CN208959130U CN208959130U CN201820784751.0U CN201820784751U CN208959130U CN 208959130 U CN208959130 U CN 208959130U CN 201820784751 U CN201820784751 U CN 201820784751U CN 208959130 U CN208959130 U CN 208959130U
- Authority
- CN
- China
- Prior art keywords
- gasket
- support
- valve chamber
- cusp
- cavity
- Prior art date
- 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.)
- Withdrawn - After Issue
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 45
- 238000009434 installation Methods 0.000 title claims abstract description 7
- 239000003814 drug Substances 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 14
- 230000005489 elastic deformation Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims 1
- 230000009977 dual effect Effects 0.000 abstract description 3
- 239000004568 cement Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of multiple unidirectional sealing joint and piping installations, including valve body, first support, flexible first gasket, second support and flexible second gasket, the valve body has upper and lower perforative valve chamber, the second support is set to inside the valve chamber and the valve chamber is divided into uuper valve chamber and lower valve chamber, the second support has the medicine liquid channel for connecting the uuper valve chamber and lower valve chamber, the uuper valve chamber has stage portion and sluice gate, the second support has the second cusp, second gasket is between stage portion and the second cusp, the first support is set to inside the lower valve chamber, the first support has the first cusp, first gasket is between the first cusp and second support.It is opened and reversed automatic-sealed when first gasket and the second gasket all have the function of positive pressure, realizes dual closed, the safety that the sealing joint uses has been effectively ensured.
Description
Technical field
The utility model relates to medical instruments fields, especially with respect to a kind of unidirectional sealing joint.
Background technique
Entitled " unidirectional closed connector ", the Chinese utility model patent that notification number is CN204307202U disclose one
The unidirectional closed connector of kind, is realized by elastic packing plate and is reversely sealed, still, after medical fluid is redirected back into connector inside,
It will lead to the unidirectional closed disabler if the sealing plate is ineffective, cause clinical unsafe risk.
Utility model content
The utility model provides a kind of new unidirectional sealing joint.
The utility model provides a kind of multiple unidirectional sealing joint, including valve body, first support, flexible first pad
Piece, second support and flexible second gasket, the valve body have upper and lower perforative valve chamber, be at the top of the valve chamber on
Interface end, the bottom of the valve chamber are lower interface ends, and the second support is set to inside the valve chamber and is divided into the valve chamber
Uuper valve chamber and lower valve chamber, the second support have the medicine liquid channel for connecting the uuper valve chamber and lower valve chamber, the uuper valve chamber tool
There are stage portion and sluice gate, the second support has the second cusp, and the lower surface of second gasket is supported with second cusp
It connects, the edge of second gasket upper surface abuts with the stage portion and seal the sluice gate, and the first support is set to institute
It states inside lower valve chamber, the first support has the first cusp, and the lower surface of first gasket is abutted with first cusp,
The edge of first gasket upper surface abuts with the second support and seals the medicine liquid channel, when forward direction conveys medical fluid,
Under medicine action of hydraulic force, the border elastic deformation of second gasket and with the step part from and first gasket
Border elastic deformation and separated with the second support.First cusp can be located at the top of first support.Second cusp can
To be located at the top of second support.
First gasket is located inside lower valve chamber, and the second gasket is located inside uuper valve chamber.When forward direction input medical fluid, the second gasket
The sealing of sluice gate is released from, the first gasket is released from the sealing of medicine liquid channel, and medical fluid is enable to flow to down from upper interface end
Interface end can be realized that is, from upper interface end to the channel conductive lower interface end and open the channel when forward direction has pressure
Function.
The stage portion has downwardly projecting second sealing ring of circle, and the second support has a downwardly projecting circle
First sealing ring, first gasket are abutted with first sealing ring, and second gasket is abutted with second sealing ring.
Second sealing ring can be contacted with the second gasket line.First sealing ring can be contacted with the first gasket line.
The second support includes pedestal and support frame, upper surface and following table of the medicine liquid channel through the pedestal
Face, support frame as described above are set up in the upper surface of the pedestal, and second cusp is set to the top of support frame as described above, and described first
Sealing ring is convexly equipped in the lower surface of the pedestal, and first gasket seals the medicine liquid channel in lower section.
The valve body includes the straight-through and main body being fixed as one, described straight-through with the biggish second largest cavity of internal diameter and interior
The junction of the small cavity of diameter lesser second, the second largest cavity and the second small cavity forms the sluice gate and stage portion, institute
Main body is stated with the big cavity of internal diameter biggish first and the small cavity of internal diameter lesser first, the second support is fixed on described straight
Logical and main body junction, first gasket are set to the described first big cavity, and second gasket is set to the second largest appearance
Chamber.The second largest cavity and the second small cavity may be constructed above-mentioned uuper valve chamber.First big cavity and the first small cavity may be constructed
State lower valve chamber.
A kind of piping installation, including connection seat and the multiple unidirectional sealing joint.
The beneficial effects of the utility model are: opened when the first gasket and the second gasket all have a positive pressure and it is reversed from
The function of dynamic sealing, realizes dual closed, and the safety that the sealing joint uses has been effectively ensured.
Detailed description of the invention
Fig. 1 is the stereogram exploded view of the multiple unidirectional sealing joint of present embodiment；
Fig. 2 is the schematic cross-sectional view of the second support of the multiple unidirectional sealing joint of present embodiment；
Fig. 3 is the schematic cross-sectional view of the multiple unidirectional sealing joint of present embodiment；
Fig. 4 is the partial enlargement diagram of Fig. 3；
Fig. 5 is the structural schematic diagram using a kind of piping installation of the multiple unidirectional sealing joint of present embodiment.
Specific embodiment
The utility model is described in further detail below by specific embodiment combination attached drawing.
As shown in Figures 1 to 5, the multiple unidirectional sealing joint 100 of present embodiment includes mostly straight-through 1, first gaskets 2, the
Two gaskets 3 and main body 4.Straight-through 1 has a screw tooth end 11, screw tooth end 11 can connecting line connector or device junction convey medicine
Liquid.First gasket 2 is flexible circular seal gasket or quad seal gasket, is mounted in the inner cavity of main body 4, tool
The function of thering is reversed automatic-sealed, forward direction to automatically open when having pressure.Second gasket 3 be flexible circular seal gasket or
Quad seal gasket is mounted in straight-through 1 inner cavity, is automatically opened when having pressure with reversed automatic-sealed, forward direction
Function is realized dual closed.Main body 4 has mouthpiece 41, and mouthpiece can connect medical fluid pipeline.Main body 4 and straight-through 1 assembling one
Body and constitute valve body.
In present embodiment, screw tooth end 11 is liquid feeding end, can be connect with infusion apparatus joint.Mouthpiece 41 is liquid out
End, can connect with medical instrument, and such as various medical liquid medicine connecting lines, medical fluid can be flowed into from screw tooth end, eventually by
Mouthpiece flows to medical instrument.
As shown in Figures 1 to 5, the multiple unidirectional sealing joint 100 of present embodiment includes straight-through 1, second support 5, second
Gasket 3, first support 6, the first gasket 2 and main body 4.Straight-through 1 is tubular body up and down, with internal diameter lesser second
Small cavity 12 and the biggish second largest cavity 13 of internal diameter, the second small cavity 12 are located at the top of the second largest cavity 13, the second largest appearance
The junction of chamber 13 and the second small cavity 12 forms stage portion 14 and sluice gate 15.Second small cavity 12 has screw tooth end 11, the spiral shell
Tooth end 11 can connect other connection pipe fittings or device junction, so as to introduce medical fluid in the sealing joint.Second
The bottom of big cavity 13 is equipped with the second positioning step 16.
Main body 4 is upper and lower perforative tubular body, with the big cavity 42 of internal diameter biggish first and internal diameter lesser first
Small cavity 44, the first big cavity 42 are located at the top of the first small cavity 44.Corresponding second positioning table in the top of first big cavity 42
The position of rank 16 is equipped with the first positioning step 43.First small cavity 44 has a mouthpiece 41, the mouthpiece can with for receiving
The medical instrument of medical fluid connects.Second support 5 includes pedestal 51 and support frame 52, and pedestal 51 has opposite upper surface 53 under
Surface 54 forms medicine liquid channel 55 through the upper surface 53 and lower surface 54.Pedestal 51 is fixed on the connection of main body 4 and straight-through 1
Place.Support frame 52 is set up in the upper surface 53 of pedestal, and top has the second cusp 56.Second gasket 3 can using rubber or
The flexible material such as plastic cement is made, and the central supported of lower surface is on second cusp 56；Second gasket, 3 upper surface
Edge is abutted with straight-through stage portion 14.
First support 6 is erected in the first big cavity 42 of main body, and the top of the first support has the first cusp 61.The
One gasket 2 can be made of flexible materials such as rubber or plastic cement, and the central supported of lower surface is in first cusp
On 61；The edge of first gasket upper surface is abutted with the lower surface 54 of second support pedestal, and the second gasket can be sealed in lower section
Medicine liquid channel 55.
When assembly, 43 location fit of the first positioning step of the second straight-through positioning step 16 and main body, second support 5 is consolidated
It is scheduled on straight-through and main body junction, the second gasket 3 is located in the straight-through second largest cavity and is located at straight-through stage portion 14 and the
Between second cusp 56 of two brackets；First gasket 2 is located in the first big cavity 42 of main body and is located at the first of first support
Between cusp 61 and the lower surface of the pedestal of second support 51.
The positive pressure connector has original state and transfusion state, in the initial state, the sluice gate of 3 seal feed-through of the second gasket
15, the second largest cavity 13 and the second small cavity 12 are isolated；First gasket 2 seals medicine liquid channel 55, by medicine liquid channel 55 and master
The big cavity 42 of the first of body, the first small cavity 44 are isolated, and make straight-through 1 not to be connected to mutually with main body 4.When have medical fluid from screw tooth end 11 just
To A flow into when, under medicine action of hydraulic force, the border elastic deformation of the second gasket 3 and separated with stage portion 14, beat sluice gate 15
It opens, the described second small cavity 12, the second largest cavity 13 and medicine liquid channel 55 is connected；Under medicine action of hydraulic force, the first gasket 2
Border elastic deformation and separated with the lower surface of pedestal 51 54, make medicine liquid channel 55 and the first big cavity 42, the first small cavity
44 conductings, enable medical fluid to flow into mouthpiece 41 from screw tooth end 11.When there is medical fluid reversely to flow to the first gasket from mouthpiece 41,
Under medicine action of hydraulic force, the more presses the more tight between the first gasket 2 and pedestal 51, be tightly sealed medicine liquid channel 55, make positive pressure
Connector is showing as off state from mouthpiece 41 to screw tooth end 11.Even if the first gasket 2 fails, the second gasket 3 can still be played
Reversed automatic-sealed and the function of ending.
In present embodiment, the lower surface of pedestal has downwardly projecting first sealing ring 57 of circle, and the first gasket 2 is located at
Between first sealing ring 57 and the first cusp 61.Straight-through stage portion 14 has downwardly projecting second sealing ring 17 of circle, the
Two gaskets 3 are between the second sealing ring 17 and the second cusp 56.Forward direction infusion when, the border elastic deformation of the first gasket 2 and
Separated with the first sealing ring 57, the border elastic deformation of the second gasket 3 and separated with the second sealing ring 17.
In present embodiment, straight-through and main body is fixed as one and forms the valve body with hollow valve chamber, sets at the top of valve chamber
There is the screw tooth end as upper interface end, the bottom of valve chamber is equipped with the mouthpiece as lower interface end.Second support is fixed on valve chamber
Valve chamber is simultaneously divided into uuper valve chamber and lower valve chamber by inside, and common, uuper valve chamber may include the above-mentioned second largest cavity being connected
With the second small cavity；For example above-mentioned the first big cavity and the first small cavity being connected of lower valve chamber.Forward direction refer to from upper interface end to
The direction at lower interface end；Reversely refer to the direction from lower interface end to upper interface end.The small cavity of straight-through second can integrally be made
For the upper interface end for connection, it only can also partially be used as upper interface end.The small cavity of the first of main body can be integrally as use
In the lower interface end of connection, it only can also partially be used as lower interface end.
It as shown in Figures 1 to 5, is a kind of application structure of multiple unidirectional sealing joint.A kind of piping installation, including even
Logical seat 200, connection seat tool have at least one axial entrance and multiple radial entrances, which can connect above-mentioned multiple list
To the lower interface end of sealing joint 100.The outlet connection of connection seat needs the medical instrument using medical fluid.
The above content is combine specific embodiment further detailed description of the utility model, and it cannot be said that
The specific implementation of the utility model is only limited to these instructions.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made.
Claims (5)
1. a kind of multiple unidirectional sealing joint, which is characterized in that including valve body, first support, flexible first gasket, the
Two brackets and flexible second gasket, the valve body have upper and lower perforative valve chamber, are upper interfaces at the top of the valve chamber
End, the bottom of the valve chamber are lower interface ends, and the second support is set to inside the valve chamber and the valve chamber is divided into upper valve
Chamber and lower valve chamber, the second support have the medicine liquid channel for connecting the uuper valve chamber and lower valve chamber, and the uuper valve chamber has platform
Rank portion and sluice gate, the second support have the second cusp, and the lower surface of second gasket is abutted with second cusp, institute
The edge for stating the second gasket upper surface abuts with the stage portion and seals the sluice gate, and the first support is set to the lower valve
Intracavitary portion, the first support have the first cusp, and the lower surface of first gasket abuts with first cusp, and described the
The edge of one gasket upper surface abuts with the second support and seals the medicine liquid channel, when forward direction conveys medical fluid, in medical fluid
Under pressure effect, the border elastic deformation of second gasket and with the step part from and the edge of first gasket
Elastic deformation and separated with the second support.
2. multiple unidirectional sealing joint as described in claim 1, which is characterized in that the stage portion has downwardly projecting one
The second sealing ring is enclosed, the second support has downwardly projecting first sealing ring of circle, first gasket and described first
Sealing ring abuts, and second gasket is abutted with second sealing ring.
3. multiple unidirectional sealing joint as claimed in claim 2, which is characterized in that the second support includes pedestal and support
Frame, the medicine liquid channel run through the upper and lower surfaces of the pedestal, and support frame as described above is set up in the upper surface of the pedestal,
Second cusp is set to the top of support frame as described above, and first sealing ring is convexly equipped in the lower surface of the pedestal, and described the
One gasket seals the medicine liquid channel in lower section.
4. multiple unidirectional sealing joint as described in claim 1, which is characterized in that the valve body include be fixed as one it is straight-through
And main body, it is described straight-through with the biggish second largest cavity of internal diameter and the small cavity of internal diameter lesser second, the second largest cavity
The sluice gate and stage portion are formed with the junction of the second small cavity, and the main body has the big cavity of internal diameter biggish first and interior
The small cavity of diameter lesser first, the second support are fixed on straight-through and main body the junction, and first gasket is set to
The first big cavity, second gasket are set to the second largest cavity.
5. a kind of piping installation, including connection seat, which is characterized in that further include any one of at least two claim 1-4
The multiple unidirectional sealing joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820784751.0U CN208959130U (en) | 2018-05-24 | 2018-05-24 | Multiple unidirectional sealing joint and piping installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820784751.0U CN208959130U (en) | 2018-05-24 | 2018-05-24 | Multiple unidirectional sealing joint and piping installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208959130U true CN208959130U (en) | 2019-06-11 |
Family
ID=66747373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820784751.0U Withdrawn - After Issue CN208959130U (en) | 2018-05-24 | 2018-05-24 | Multiple unidirectional sealing joint and piping installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208959130U (en) |
-
2018
- 2018-05-24 CN CN201820784751.0U patent/CN208959130U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190611 Effective date of abandoning: 20240109 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190611 Effective date of abandoning: 20240109 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |