CN110608326A - Micro fluid connector and micro fluid connector assembly - Google Patents
Micro fluid connector and micro fluid connector assembly Download PDFInfo
- Publication number
- CN110608326A CN110608326A CN201811570992.6A CN201811570992A CN110608326A CN 110608326 A CN110608326 A CN 110608326A CN 201811570992 A CN201811570992 A CN 201811570992A CN 110608326 A CN110608326 A CN 110608326A
- Authority
- CN
- China
- Prior art keywords
- valve body
- connector
- sealing ring
- valve
- fluid connector
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
- F16L21/022—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings used with sleeves or nipples for pipes of the same diameter, or with reduction pieces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L29/00—Joints with fluid cut-off means
- F16L29/02—Joints with fluid cut-off means with a cut-off device in one of the two pipe ends, the cut-off device being automatically opened when the coupling is applied
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention provides a micro fluid connector and a micro fluid connector assembly, wherein the micro fluid connector comprises a valve body, a valve core and an elastic piece, the valve core and the elastic piece are installed in the valve body, an installation shell is axially sleeved outside the valve body in an anti-dropping mode, an annular floating gap is formed between the inner wall surface of the installation shell and the outer peripheral surface of the valve body, the floating gap is isolated through an elastic sealing ring arranged between the valve body and the installation shell, and a radial deviation rectifying structure matched with an adaptive connector is arranged at the inserting end of the valve body. When the micro fluid connector and the adaptive connector are mutually inserted, the valve body can generate radial deviation under the action of a radial deviation rectifying structure so that the micro fluid connector is correctly butted with the adaptive connector, the floating gap between the valve body and the mounting shell is separated by the elastic sealing ring so that the sealing between the valve body and the mounting shell can be still ensured when the valve body generates radial displacement, and the problem that the micro fluid connector is difficult to insert in the prior art is solved.
Description
Technical Field
The invention relates to a micro fluid connector and a micro fluid connector assembly.
Background
Along with the development of electronic components in equipment towards high frequency, high density and high integration direction, the problem of how to realize high-efficiency heat dissipation of the equipment is more and more prominent, and the liquid cooling heat dissipation technology also becomes a preferred scheme for solving the problem of high-efficiency heat dissipation due to the excellent heat dissipation performance of the liquid cooling heat dissipation technology. At present, the liquid cooling heat dissipation technology is widely applied to the fields of aviation, aerospace, electronics, ships, communication, wind power, electric vehicles and the like.
With the development of electronic technology, electronic devices gradually tend to be miniaturized, and a small-sized fluid connector is continuously adopted to realize the fluid transmission between a module and a chassis, but the operation mode has the following problems: (1) when the size of the connector is small, the insertion and combination of the connectors become extremely difficult and are difficult to align; (2) when the size of the connector is small, the flow resistance is large, and the use requirement of a user cannot be met.
Disclosure of Invention
The invention aims to provide a micro fluid connector to solve the problem that the fluid connector in the prior art is difficult to insert and close; it is another object of the present invention to provide a microfluidic connector assembly.
In order to achieve the above object, the technical solution of the micro fluid connector of the present invention is:
the miniature fluid connector comprises a valve body, a valve core arranged in the valve body and an elastic part pushing the valve core to a valve port of the valve body, wherein an installation shell is axially sleeved outside the valve body in an anti-dropping mode, an annular floating gap is arranged between the inner wall surface of the installation shell and the outer peripheral surface of the valve body, the floating gap is separated through an elastic sealing ring arranged between the valve body and the installation shell, and a radial deviation rectifying structure matched with the adaptive connector is arranged at the inserting end of the valve body.
The invention has the beneficial effects that: when the micro fluid connector and the adaptive connector are mutually inserted, the valve body can generate radial deviation under the action of a radial deviation rectifying structure so that the micro fluid connector is correctly butted with the adaptive connector, the floating gap between the valve body and the mounting shell is separated by the elastic sealing ring so that the sealing between the valve body and the mounting shell can be still ensured when the valve body generates radial displacement, and the problem that the micro fluid connector is difficult to insert in the prior art is solved.
Furthermore, in order to ensure the sealing reliability of the elastic sealing ring, sealing ring grooves corresponding to the elastic sealing ring are respectively arranged on the valve body and the mounting shell, and the mounting shell is matched with the valve body in an anti-disengaging manner in the axial direction through the elastic sealing ring, so that the elastic sealing ring is prevented from moving along the plugging direction and the separation direction of the miniature fluid connector, and the sealing reliability of the elastic sealing ring is ensured.
Further, in order to improve the stability of the micro fluid connector, the high-pressure end of the valve body is in one-way stop fit with the mounting shell, so that the valve body is prevented from being pressed out of the mounting shell, and the valve body is prevented from being separated from the mounting shell under the action of high pressure.
Furthermore, in order to simplify the structure of the micro fluid connector, the micro fluid connector is a male connector, the radial deviation rectifying structure is formed by a sliding matching surface arranged on the outer edge of the inserting end of the valve body, and the radial deviation rectifying structure is arranged on the outer edge of the inserting end of the valve body, so that the machining of the sliding matching surface is facilitated, and the structure of the micro fluid connector is simplified.
Furthermore, in order to facilitate the guidance of the valve body, the sliding matching surface is an arc surface, and the arc surface is used for guiding the valve body, so that the valve body can slide more smoothly.
The technical scheme of the micro fluid connector assembly is as follows:
the miniature fluid connector assembly comprises two connectors which are matched with each other, the two connectors respectively comprise a valve body, a valve core arranged in the valve body of each connector and an elastic part for pushing the valve core to a valve port of the valve body of each connector, at least one of the two connectors is a floating connector, an installation shell is axially sleeved outside the valve body of the floating connector in an anti-falling way, an annular floating gap is arranged between the inner wall surface of the installation shell and the outer peripheral surface of the valve body of the floating connector, the floating gap is separated by an elastic sealing ring arranged between the valve body of the floating connector and the installation shell, and the inserting ends of the valve bodies of the two connectors are respectively provided with a radial deviation rectifying structure which is matched with each other.
The invention has the beneficial effects that: when two connectors in the miniature fluid connector assembly are mutually inserted, the valve body of the floating connector can generate radial deviation under the action of a radial deviation rectifying structure so as to enable the miniature fluid connector to be correctly butted with the connector matched with the miniature fluid connector, and the floating gap between the valve body and the mounting shell is separated by the elastic sealing ring so as to ensure the sealing between the valve body and the mounting shell when the valve body generates radial displacement, so that the problem that the miniature fluid connector is difficult to insert in the prior art is solved.
Furthermore, in order to ensure the sealing reliability of the elastic sealing ring, sealing ring grooves corresponding to the elastic sealing ring are respectively arranged on the valve body and the mounting shell, and the mounting shell is matched with the valve body in an anti-disengaging manner in the axial direction through the elastic sealing ring, so that the elastic sealing ring is prevented from moving along the plugging direction and the separation direction of the miniature fluid connector, and the sealing reliability of the elastic sealing ring is ensured.
Further, in order to improve the stability of the micro fluid connector, the high-pressure end of the valve body of the floating connector is in one-way stop fit with the mounting shell, so that the valve body is prevented from being pressed out of the mounting shell, and the valve body is prevented from being separated from the mounting shell under the action of high pressure.
Drawings
FIG. 1 is a schematic view of a micro fluid connector assembly according to embodiment 1 of the present invention in a plugged state;
FIG. 2 is a schematic diagram of the floating connector of embodiment 1 of the microfluidic connector assembly of the present invention;
FIG. 3 is a schematic view of the fixed connector of embodiment 1 of the microfluidic connector assembly of the present invention;
in the figure: 1. mounting a shell; 2. a valve body housing; 3. a male snap spring; 4. a male spring; 5. a male support block; 6. an elastic sealing ring; 7. a male valve core; 8. a female valve element; 9. a female valve stem; 10. a female spring; 11. a female snap spring; 12. a female overflowing hole; 13. a female housing; 14. an O-shaped sealing ring; 15. a guide ramp; 16. and the male end is provided with a flow passage.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In the embodiment 1 of the micro fluid connector assembly of the present invention, as shown in fig. 1 to 3, the floating connector and the fixed connector of the micro fluid connector assembly are respectively connected to two boxes to be communicated, and the floating connector and the fixed connector are inserted together, so that the inner chambers of the two boxes are communicated through the micro fluid connector assembly, and in the process of butt-inserting and combining the floating connector and the fixed connector, due to the processing error of the boxes, the floating connector and the fixed connector may not be aligned, and the inserting and combining between the floating connector and the fixed connector may have a certain positioning difficulty, therefore, the floating connector in the micro fluid connector assembly of the present invention includes two parts, one part is the mounting shell 1 for fixing with the boxes, the other part is the floating valve body, the installation shell 1 is in a cylindrical step shape, an installation shell through hole is formed in the center of the installation shell, the floating valve body is arranged in the installation shell through hole in a penetrating mode, and a floating gap in the shape of an annular floating valve body exists between the outer peripheral face of the floating valve body and the wall of the installation shell through hole. The wall of the through hole of the mounting shell is provided with an annular mounting shell sealing ring groove, the outer peripheral surface of the floating valve body is provided with a valve body sealing ring groove which is arranged corresponding to the mounting shell sealing ring groove, the elastic sealing ring 6 is arranged between the mounting shell sealing ring groove and the valve body sealing ring groove so as to ensure that the mounting shell 1 and the floating valve body are axially matched in an anti-falling way, the elastic sealing ring 6 is bidirectionally blocked along the inserting direction and the separating direction of the fixed connector and the floating connector so as to prevent the axial movement of the elastic sealing ring 6, meanwhile, the inserting port of the floating connector of the fixed connector is trumpet-shaped, and the inserting port of the fixed connector is enlarged towards the outer side of the fixed connector, a conical guide slope 15 is formed at the fixed connection port, meanwhile, a fillet is arranged on the outer edge of the inserting end of the floating valve body, the outer wall surface of the fillet forms a sliding matching surface, and the sliding matching surface and the guide slope 15 form a radial deviation rectifying structure. The sealing ring groove of the installation shell and the sealing ring groove of the valve body form a sealing ring groove corresponding to the elastic sealing ring 6, when the floating connector is inserted into the fixed connector, the sliding matching surface of the floating valve body of the floating connector contacts the guiding slope 15 of the fixed connector and the floating valve body is radially deviated relative to the installation shell 1 under the guiding action of the sliding matching surface and the guiding slope 15, so that the floating valve body is aligned with the fixed connector, and further the floating valve body slides into the fixed connector to realize the insertion of the floating connector and the fixed connector, meanwhile, due to the sealing characteristic of the elastic sealing ring 6, the floating valve body is allowed to have certain radial floating, the floating valve body and the installation shell 1 still keep a sealing state under the action of the elastic sealing ring 6, the sealing failure between the floating valve body and the installation shell 1 cannot occur, and the high-pressure end of the floating valve body is in one-way stop matching with the installation shell 1, the floating valve body is prevented from being pressed out of the mounting housing 1. In this embodiment, a fixed seal ring groove is also embedded in the inner wall of the fixed connector, and an elastic seal ring 6 is also installed in the fixed seal ring groove, so that floating seal between the fixed connector and the floating valve body is realized. Of course, in other embodiments, it is also possible to provide only the elastic sealing ring 6 between the mounting housing 1 and the float valve body; the radial deviation rectifying structure can also be a chamfer arranged at the inserting end of the floating valve body, and the sliding matching surface is an inclined surface of the chamfer. The elastic seal ring 6 is an O-ring in this embodiment, but may be an X-ring or a D-ring that can be radially float-sealed in other embodiments.
In order to realize the under-pressure plugging of the fluid connector, in this embodiment, the floating connector is a male connector, the floating valve body includes a valve body housing 2, a male valve element 7 is arranged in the valve body housing 2 and is close to the plugging end of the floating valve body, that is, at the valve port of the floating valve body, a male support block 5 is arranged at one end of the valve body housing 2 far away from the plugging end of the floating valve body, a male snap spring 3 is arranged at one side of the male support block 5 facing the outside of the floating connector, so that the male support block 5 is installed in the valve body housing 2, a male spring 4 is arranged between the male valve element 7 and the male support block 5, and when the floating valve body is not inserted into the fixed connector, the male valve element 7 and the valve body housing 2 are in sealing fit under the pushing of. Wherein the male spring 4 constitutes an elastic member.
The fixed connector comprises a female head shell 13, a female head valve core 8 which is close to the insertion end of the fixed connector is arranged in the female head shell 13, a female head valve rod 9 is arranged in the female head valve core 8 in a penetrating mode, a female head spring support plate is arranged at one end part, facing the outer side of the fixed connector, of the female head valve rod 9, a female head snap spring 11 is arranged at one side, facing the outer side of the fixed connector, of the female head spring support plate, the female head valve rod 9 is installed in the female head shell 13, a female head spring 10 is arranged between the female head spring support plate and the female head valve core 8, when the fixed connector is not inserted with a floating valve body, the female head valve core 8, the female head shell 13 and the female head valve rod 9 are in sealing fit under the pushing of the female head spring 10, and the female head shell 13, the female head valve.
When the floating connector and the fixed connector are inserted, the floating valve body slides into the fixed connector under the guidance of the guide slope 15 and the sliding matching surface, the male valve core 7 is pushed by the female valve rod 9 to move the male valve core 7 towards the male support block 5, the male spring 4 is compressed to release the sealing matching of the male valve core 7 and the valve body shell 2, meanwhile, the valve body shell 2 also pushes the female valve core 8 to move towards the female snap spring 11, and the female spring 10 is compressed to release the sealing relation between the female valve core 8 and the female valve rod 9 as well as the female shell 13, a plurality of female overflowing holes 12 are circumferentially arranged on the region of the female shell 13 between the female spring support plate and the female valve core 8, a plurality of floating valve body overflowing holes are also circumferentially arranged on the region of the valve body shell 2 between the male support block 5 and the male valve core 7, and an annular interval connected with the floating valve body overflowing holes is arranged on the corresponding mounting shell 1, the floating valve body and the fixed connector are separated, the male valve core 7 and the valve body shell 2 are in sealing fit again under the reset action of the male spring 4, the female valve core 8, the female valve rod 9 and the female connector shell 13 are in sealing fit again under the reset action of the female spring 10, the floating connector and the fixed connector are prevented from leaking when separated, and the fluid connector is plugged under pressure.
In this embodiment, the outer peripheral surfaces of the female housing 13 and the mounting housing 1 are provided with an annular outer sealing ring retaining groove and an O-ring 14 disposed in the outer sealing ring retaining groove, so that the female housing 13 and the mounting housing 1 have a certain radial floating gap while ensuring the sealing performance between the fluid connector and the housing, thereby ensuring the sealing performance between the fluid connector and the housing and avoiding the processing error of the housing.
In embodiment 1 of the micro fluid connector of the present invention, the micro fluid connector is the same as the floating connector described in embodiment 1 of the micro fluid connector assembly of the present invention, and thus, the description thereof is omitted.
Claims (8)
1. The micro fluid connector comprises a valve body, a valve core arranged in the valve body and an elastic part pushing the valve core to a valve port of the valve body, and is characterized in that: the outer axial anticreep cover of valve body has the installation shell, annular floating gap has between the internal face of installation shell and the outer peripheral face of valve body, floating gap cuts off through the elastic seal circle of locating between valve body and the installation shell, and the grafting end of valve body is equipped with and is used for the radial structure of rectifying a deviation with adapter connector complex.
2. The microfluidic connector of claim 1, wherein: and the valve body and the mounting shell are respectively provided with a sealing ring groove corresponding to the elastic sealing ring, and the mounting shell is matched with the valve body in an axial anti-falling way through the elastic sealing ring.
3. The microfluidic connector of claim 2, wherein: the high-pressure end of the valve body is in one-way stop fit with the mounting shell so as to prevent the valve body from being extruded out of the mounting shell.
4. The microfluidic connector of any one of claims 1-3, wherein: the miniature fluid connector is a male connector, and the radial deviation rectifying structure is formed by a sliding matching surface arranged on the outer edge of the insertion end of the valve body.
5. The microfluidic connector of claim 4, wherein: the sliding matching surface is a circular arc surface.
6. The miniature fluid connector assembly comprises two connectors which are matched with each other, wherein each connector comprises a valve body, a valve core arranged in the valve body of the connector and an elastic part for pushing the valve core to a valve port of the valve body of the connector.
7. The microfluidic connector assembly of claim 6, wherein: and the valve body and the mounting shell are respectively provided with a sealing ring groove corresponding to the elastic sealing ring, and the mounting shell is matched with the valve body in an axial anti-falling way through the elastic sealing ring.
8. The microfluidic connector assembly of claim 7, wherein: the high-pressure end of the valve body of the floating connector is in one-way stop fit with the mounting shell so as to prevent the valve body from being extruded out of the mounting shell.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018107025436 | 2018-06-30 | ||
| CN201810702543 | 2018-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110608326A true CN110608326A (en) | 2019-12-24 |
Family
ID=68888957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811570992.6A Pending CN110608326A (en) | 2018-06-30 | 2018-12-21 | Micro fluid connector and micro fluid connector assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110608326A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112856075A (en) * | 2020-12-31 | 2021-05-28 | 江苏益诚精密器件科技有限公司 | Fluid connector with sealing ring protection structure |
| CN113819326A (en) * | 2021-08-25 | 2021-12-21 | 中航光电科技股份有限公司 | Microminiature fluid connector and assembly thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5398723A (en) * | 1994-02-28 | 1995-03-21 | Aeroquip Corporation | Fluid coupling with adjustable pressure relief valve |
| CN101358675A (en) * | 2007-07-30 | 2009-02-04 | 施托布利法韦日公司 | Quick connection element and quick connection including such an element |
| CN202100868U (en) * | 2011-04-20 | 2012-01-04 | 重庆液动科技有限公司 | Quick change coupler |
| CN203571283U (en) * | 2013-11-15 | 2014-04-30 | 中国电子科技集团公司第四十研究所 | Floating blind plug type fluid connector |
| CN104641161A (en) * | 2012-05-25 | 2015-05-20 | 阿塞泰克丹麦公司 | Fluid connector for a cooling system |
| CN204756247U (en) * | 2015-02-09 | 2015-11-11 | 北京艾迪西暖通科技有限公司 | Dismantle junction valve fast |
| CN105953008A (en) * | 2016-06-24 | 2016-09-21 | 中航光电科技股份有限公司 | Female connector and fast connector assembly using same |
-
2018
- 2018-12-21 CN CN201811570992.6A patent/CN110608326A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5398723A (en) * | 1994-02-28 | 1995-03-21 | Aeroquip Corporation | Fluid coupling with adjustable pressure relief valve |
| CN101358675A (en) * | 2007-07-30 | 2009-02-04 | 施托布利法韦日公司 | Quick connection element and quick connection including such an element |
| CN202100868U (en) * | 2011-04-20 | 2012-01-04 | 重庆液动科技有限公司 | Quick change coupler |
| CN104641161A (en) * | 2012-05-25 | 2015-05-20 | 阿塞泰克丹麦公司 | Fluid connector for a cooling system |
| CN203571283U (en) * | 2013-11-15 | 2014-04-30 | 中国电子科技集团公司第四十研究所 | Floating blind plug type fluid connector |
| CN204756247U (en) * | 2015-02-09 | 2015-11-11 | 北京艾迪西暖通科技有限公司 | Dismantle junction valve fast |
| CN105953008A (en) * | 2016-06-24 | 2016-09-21 | 中航光电科技股份有限公司 | Female connector and fast connector assembly using same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112856075A (en) * | 2020-12-31 | 2021-05-28 | 江苏益诚精密器件科技有限公司 | Fluid connector with sealing ring protection structure |
| CN113819326A (en) * | 2021-08-25 | 2021-12-21 | 中航光电科技股份有限公司 | Microminiature fluid connector and assembly thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10236631B2 (en) | Blind mating connector assembly with floating unit and guiding means | |
| JP6073510B2 (en) | Connector assembly | |
| CN107664239B (en) | A kind of blindmate fluid connector | |
| CN110671562B (en) | Microminiature is pressed and is pressed plug fluid coupling ware | |
| US10950969B2 (en) | Ganged coaxial connector assembly with alternative attachment structures | |
| CN108194721B (en) | Floating fluid connector | |
| KR20130056883A (en) | Fluid coupling | |
| CN110608326A (en) | Micro fluid connector and micro fluid connector assembly | |
| CN210462080U (en) | Large floating pressure plugging fluid connector | |
| WO2014178861A1 (en) | Twist-to-connect dry break coupling | |
| CN112534172A (en) | Joint, cooling system and computer device | |
| CN113898811A (en) | Fluid connector | |
| CN106931261B (en) | Floating blind-mate fluid connector | |
| CN110131510B (en) | Embedded fluid connector capable of largely floating and preventing spring from being exposed in flow channel | |
| CN109944994B (en) | Fluid connector assembly and fluid connector thereof | |
| US20180238480A1 (en) | Valved Connector | |
| CN110608332B (en) | Joint assembly and floating fluid joint | |
| CN110608334B (en) | Floating fluid connector and connector assembly | |
| CN113819326B (en) | Microminiature fluid connector and assembly thereof | |
| US20210222810A1 (en) | Connector assembly | |
| CN216078761U (en) | Hydraulic quick joint | |
| CN113154164A (en) | Joint assembly | |
| CN217003577U (en) | Floating blind-mate mechanism of quick connector | |
| CN114738581A (en) | Low flow resistance area is pressed and is pressed plug fluid coupling | |
| CN111247365A (en) | Pipeline connects device soon |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191224 |
|
| RJ01 | Rejection of invention patent application after publication |