CN107834275A - A kind of cable seal ring and charging electric vehicle multi-plug cable component - Google Patents
A kind of cable seal ring and charging electric vehicle multi-plug cable component Download PDFInfo
- Publication number
- CN107834275A CN107834275A CN201710817550.6A CN201710817550A CN107834275A CN 107834275 A CN107834275 A CN 107834275A CN 201710817550 A CN201710817550 A CN 201710817550A CN 107834275 A CN107834275 A CN 107834275A
- Authority
- CN
- China
- Prior art keywords
- cable
- accommodating chamber
- seal ring
- endless elastomeric
- sealing
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5205—Sealing means between cable and housing, e.g. grommet
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/013—Sealing means for cable inlets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a kind of cable seal ring, including endless elastomeric and support ring, accommodating chamber is circumferentially offered on the endless elastomeric, the support ring is arranged in accommodating chamber.The invention also discloses a kind of charging electric vehicle multi-plug cable component with cable seal ring, including connector, sealing ring, cable fixing member and cable, the cable to be arranged in connector by cable fixing member；The sealing ring is arranged between connector and cable, and outer wall and connector cooperation, the inwall of endless elastomeric and the cable jacket of the endless elastomeric of the sealing ring coordinate.The present invention solves the sheath outer diameter tolerance and cylindricity tolerance sealing problem caused greatly of multicore cable, the sheath of the less multicore cable of the diameter that is particularly suitable for use in variation, particularly ac cable component, has the advantages of structure is simpler, cost is lower.
Description
Technical field
The present invention relates to cable seal technical field, more particularly to a kind of cable seal ring and charging electric vehicle are with inserting
Head CA cable assembly.
Background technology
Charging electric vehicle multi-plug cable component, such as Fig. 1（b）, Fig. 1（c）Shown, cable is what multiply diameter differed greatly
, there is sheath outer diameter tolerance and cylindricity tolerance be big in the multicore cable of electric wire composition, not full the problem of waiting is filled in inside, leads
Send a telegraph and sealing problem between cable and connector be present, made cable folding, distortion, cable by external force effect during permanent use
Relative displacement unavoidably between connector be present, general in the prior art to use cable seal ring, cable as shown in Figure 1 is close
Seal ring uses solid structure, and being typically due to environmental factor makes cable and sealing ring aging, deformation etc., permanent full so as to be difficult to
Foot uses seal request.Cross-sectional view such as Fig. 1 when the sealing ring of prior art is applied in CA cable assembly（d）It is shown, wherein
D1 is cable cover(ing) overall diameter, and D2 is the diameter of bore of connector shell, and A1 is D2 and D1 semidiameter, and A2 is sealing ring
Cross sectional dimensions, X are D1 and D2 offset, are influenceed by assembling product and use.Specifically, A1=（D2-D1±X）/2；For production
Product meet the condition of expected waterproof, and sealing ring should meet Suitable compression rate scope（Such as static seal recommendation 15% ~ 30%, dynamic sealing pushes away
6% ~ 20% is recommended, compression ratio scope is not the main points of this patent, not discusses and determine detailed data herein）, cable sealing ring pressure
Shrinkage E, wherein E=（A2-A1）/A2 x100%；Because tolerance, the cable sealing ring of dimension limit be present in size A2, D1 and D2
Compression ratio Emin=［ A2min-（D2max-D1min+X）/ 2 ］/A2min * 100%, Emax=［ A2max-（D2min-D1max-
X）/ 2 ］/A2max * 100%；Generally, sealing ring be elastic rubber material it is molded, its sectional dimension A2 dimensional tolerance and
Cylindricity tolerance △A2（Not shown in figure）It is smaller；Connector shell is that synthetic resin is molded, the chi of its sealing hole dimension D 2
Very little tolerance and cylindricity tolerance △D2It is smaller, therefore the sealing waterproof of connector shell is easily able to require；Cable produces work due to it
Skill limits, its sheath overall diameter D1 dimensional tolerance and cylindricity tolerance △D1Cable larger, that particularly stranded conductor is twisted,
Its tolerance is bigger, causes the sealing waterproof of cable difficult.Therefore, there is problems with prior art：
Problem 1：As (△D1+△D2) when changing larger, it is necessary to increase sealing ring A2 values, connector shell can be caused accordingly to increase；
Problem 2：Sealing ring compression ratio E, assembling product difficulty can be caused to increase, production efficiency reduces；Also sealing ring is caused to damage
It is bad, make seal failure risk.
The content of the invention
In view of the deficienciess of the prior art, the purpose of the present invention, which is that, provides a kind of cable seal ring and electronic vapour
Multi-plug cable component is used in car charging, and the sheath outer diameter tolerance and the big caused sealing of cylindricity tolerance for solving multicore cable are asked
Topic, the diameter that is particularly suitable for use in are deteriorated the sheath of less multicore cable, particularly ac cable component, have structure it is simpler,
The advantages of cost is lower.
To achieve these goals, the technical solution adopted by the present invention is such：A kind of cable seal ring, including ring-type
Elastomer and support ring, accommodating chamber are circumferentially offered on the endless elastomeric, the support ring is arranged in accommodating chamber.
As a kind of preferred scheme, the accommodating chamber is opened between outer wall and inwall, wherein between accommodating chamber and outer wall
Width be less than width between accommodating chamber and inwall.
As a kind of preferred scheme, the accommodating chamber is opened on outer wall, and the excircle of the support ring has been set up
Holding tank, sealing ring is provided with the holding tank.
As a kind of preferred scheme, multiple convex tendons are circumferentially offered in the accommodating chamber of the endless elastomeric, wherein more
Individual convex tendon is arranged evenly along the axial direction of accommodating chamber.
As a kind of preferred scheme, at least one first is provided with the outer wall circumference of the endless elastomeric and strengthens sealing
Structure.
As a kind of preferred scheme, at least one second is provided with the inwall circumference of the endless elastomeric and strengthens sealing
Structure.
As a kind of preferred scheme, first reinforcement sealing structure or the second reinforcement sealing structure are strip projected parts knot
Structure.
A kind of charging electric vehicle multi-plug cable component with cable seal ring, including connector, sealing ring, cable
Fixed component and cable, the cable are arranged in connector by cable fixing member；The sealing ring is arranged at connection
Between device and cable, outer wall and connector cooperation, the inwall and cable of endless elastomeric of the endless elastomeric of the sealing ring
Oversheath coordinates.
As a kind of preferred scheme, the multi-plug cable component is charging electric vehicle direct current or ac plug cable group
Part.
As a kind of preferred scheme, the cable is multicore cable.
Compared with prior art, beneficial effects of the present invention：The present invention solves the sheath outer diameter tolerance of multicore cable
With cylindricity tolerance sealing problem caused greatly, the sheath of the less multicore cable of the diameter that is particularly suitable for use in variation, there is structure
More simply, the advantages of cost is lower, assembling difficulty is small, and production efficiency improves, and reduces the damage of sealing ring, reduces seal failure wind
Danger；Further, improved local close in the outer wall of endless elastomeric with being provided with multiple reinforcement sealing structures in inwall circumference
Seal pressure.
Brief description of the drawings
Fig. 1（a）It is sealing ring stereochemical structure partial sectional view of the prior art, Fig. 1（b）It is electric vehicle alternating-current charging
With the cross-sectional view of ac cable, Fig. 1（c）It is the cross-sectional view of electric vehicle alternating-current charging direct current cables, Fig. 1
（d）It is the cable seal cross-sectional view of prior art；
Fig. 2 is the schematic diagram of embodiment 1 in the present invention, wherein Fig. 2（a）It is the sealing ring broken section of embodiment 1 in the present invention
Figure, Fig. 2（b）It is the endless elastomeric partial sectional view of embodiment 1, Fig. 2（c）It is the support ring partial sectional view of embodiment 1；
Fig. 3 is the schematic diagram of embodiment 2 in the present invention, wherein Fig. 3（a）It is the sealing ring broken section of embodiment 2 in the present invention
Figure, Fig. 3（b）It is the endless elastomeric partial sectional view of embodiment 2, Fig. 3（c）It is the support ring partial sectional view of embodiment 2；
Fig. 4 is the three-dimensional structure diagram of the multi-plug cable component of embodiment 3 in the present invention, wherein Fig. 4（a）It is embodiment in the present invention
The three-dimensional structure diagram of 3 ac plug CA cable assembly, Fig. 4（b）It is the vertical of the DC plug CA cable assembly of embodiment 3 in the present invention
Body structure chart；
Fig. 5 is the partial sectional view of the multi-plug cable component of embodiment 3 in the present invention.
Embodiment
With reference to specific embodiment, the invention will be further described.Following examples are only used for clearly illustrating
Technical scheme, and can not be limited the scope of the invention with this.
Embodiment 1：
Such as Fig. 2（a）, Fig. 2（b）, Fig. 2（c）It is shown, a kind of cable seal ring, including endless elastomeric 21 and support ring 22, it is described
Accommodating chamber 23 is circumferentially offered on endless elastomeric 21, the support ring 22 is arranged in accommodating chamber 23.
Specifically, the accommodating chamber 23 is opened between outer wall and inwall, the wherein width between accommodating chamber 23 and outer wall
Less than the width between accommodating chamber 23 and inwall.More specifically, such as Fig. 2（a）Shown, wherein D1 is straight outside the sheath of cable 4
Footpath, D2 are the diameter of bore of the shell of connector 1, and D3 is the annular diameters that support ring 22 is arranged at the rear support ring 22 of accommodating chamber 23,
D4 is that support ring 22 is arranged at the outer annular diameter of the rear support ring 22 of accommodating chamber 23, and A2 is the cross sectional dimensions of sealing ring 2, B1 D2
With D4 semidiameter, width of the B2 between accommodating chamber 23 and outer wall, C1 be D1 and D3 semidiameter, C2 be accommodating chamber 23 with it is interior
Width between wall.Due to the tolerance of the shell of connector 1 it is smaller, it is necessary to deflection it is small, and the tolerance of cable 4 it is larger, it is necessary to
Deflection it is big, therefore B2 ＜ C2.
Preferably, such as Fig. 2（b）It is shown, circumferentially offer multiple convex tendons in the accommodating chamber 23 of the endless elastomeric 21
26, axial direction of the plurality of convex tendon 26 along accommodating chamber 23 is arranged evenly.Specifically, the section of multiple convex tendons 26 can be semicircle
Shape, trapezoidal or other suitable shapes, are no longer repeated one by one here.More specifically, the support ring 22 is assembled in receiving
In chamber 23, multiple convex tendons 26 can avoid sealing ring 2 from damaging, and reduce the power of assembling product, improve efficiency.
Specifically, at least one first reinforcement sealing structure 24 is provided with the outer wall circumference of the endless elastomeric 21,
At least one second reinforcement sealing structure 25 is provided with the inwall circumference of the endless elastomeric 21.More specifically, ring-type
Multiple reinforcement sealing structures on the outer wall and inwall of elastomer 21 are uniformly distributed in the axial direction of endless elastomeric 21.
Specifically, the reinforcement sealing structure 25 of the first reinforcement sealing structure 24 or second is strip projected parts structure, it is described
The cross sectional shape of strip projected parts structure is any of circle, arc, trapezoidal.More specifically, section of the strip projected parts
Face shape can be circle, arc, it is any of trapezoidal but be not limited to it is foregoing several, on demand can be with during practical application
For other structures, just no longer exhaustion repeats one by one here.
Specifically, such as Fig. 2（c）Shown, the support member 22 is made up of elastomeric material or non-elastic material.Specifically
, when the sheath for the less multicore cable that is deteriorated for diameter, it can use non-elastic material that the support in the present embodiment is made
Part 22；When the sheath for the more multicore cable that is deteriorated for diameter, it can use elastomeric material that the support in the present embodiment is made
Part 22, so as to increase the elastic force of support member 22, further solve the sheath outer diameter tolerance and cylindricity tolerance of multicore cable
Sealing problem caused by big.More specifically, preferably molded from synthetic resin, simple in construction, cost is lower.
Embodiment 2：
Such as Fig. 3（a）, Fig. 3（b）, Fig. 3（c）It is shown, a kind of cable seal ring, including endless elastomeric 21 and support ring 22, it is described
Accommodating chamber 23 is circumferentially offered on endless elastomeric 21, the support ring 22 is arranged in accommodating chamber 23.
Specifically, such as Fig. 3（a）Shown, the accommodating chamber 23 is opened on outer wall, and the excircle of the support ring 22 is upward
Holding tank 28 is provided with, sealing ring 27 is provided with the holding tank 28.More specifically, sealing ring 27 is O-shaped in the present embodiment
Sealing ring, the cross sectional shape of holding tank 28 can be semicircle, trapezoidal or other suitable shapes, no longer repeats one by one here.
Support ring 22 is assembled in accommodating chamber 23, the sealing ring 27 is assembled in holding tank 28, and it is simpler to reach structure, chi
The advantages that very little smaller.
Preferably, such as Fig. 3（b）It is shown, circumferentially offer multiple convex tendons in the accommodating chamber 23 of the endless elastomeric 21
26, axial direction of the plurality of convex tendon 26 along accommodating chamber 23 is arranged evenly.Specifically, the section of multiple convex tendons 26 can be semicircle
Shape, trapezoidal or other suitable shapes, are no longer repeated one by one here.More specifically, the support ring 22 is assembled in receiving
In chamber 23, multiple convex tendons 26 can avoid sealing ring 2 from damaging, and reduce the power of assembling product, improve efficiency.
Specifically, at least one second reinforcement sealing structure 25 is provided with the inwall circumference of the endless elastomeric 21.
More specifically, multiple reinforcement sealing structures on the inwall of endless elastomeric 21 uniformly divide in the axial direction of endless elastomeric 21
Cloth.
Specifically, second reinforcement sealing structure 25 is strip projected parts structure, the section shape of the strip projected parts structure
Shape is any of circle, arc, trapezoidal.More specifically, the cross sectional shape of the strip projected parts can be circle, arc,
It is any of trapezoidal but be not limited to foregoing several, can also be other structures on demand, here just not during practical application
An another exhaustion repeats.
Specifically, such as Fig. 3（c）Shown, the support member 22 is made up of elastomeric material or non-elastic material.Specifically
, when the sheath for the less multicore cable that is deteriorated for diameter, it can use non-elastic material that the support in the present embodiment is made
Part 22；When the sheath for the more multicore cable that is deteriorated for diameter, it can use elastomeric material that the support in the present embodiment is made
Part 22, so as to increase the elastic force of support member 22, further solve the sheath outer diameter tolerance and cylindricity tolerance of multicore cable
Sealing problem caused by big.More specifically, preferably molded from synthetic resin, simple in construction, cost is lower.
Embodiment 3：
Based on embodiment 1, such as Fig. 2（a）, Fig. 4（a）, Fig. 4（b）Shown in Fig. 5, a kind of electric automobile with cable seal ring
Charging uses multi-plug cable component, including connector 1, sealing ring 2, cable fixing member 3 and cable 4, the cable 4 to pass through electricity
Cable fixed component 3 is arranged in connector 1；The sealing ring 2 is arranged between connector 1 and cable 4, the sealing ring 2
The outer wall of endless elastomeric 21 coordinates with connector 1, the inwall of endless elastomeric 21 and the oversheath of cable 4 coordinate.
Specifically, the multi-plug cable component is charging electric vehicle direct current or ac plug CA cable assembly.
Specifically, the cable 4 is multicore cable.
When specifically used, sealing ring 2 is arranged between connector 1 and cable 4, the outer wall and connector 1 of sealing ring 2 are logical
Cross the first reinforcement sealing structure 24 to be fitted close, the inwall and the sheath of cable 4 of sealing ring 2 are tight by the second reinforcement sealing structure 25
Cable 4 is connected to composition electric vehicle alternating-current charging multi-plug cable component in connector 1 by close fit, cable fixing member 3.
The present invention solves the sheath outer diameter tolerance and cylindricity tolerance sealing problem caused greatly of multicore cable, is particularly suitable for use in straight
The sheath of the less multicore cable of footpath variation, has the advantages of structure is simpler, cost is lower；Further, in annular resilient
The outer wall of body 21 improves local sealing pressure with being provided with multiple reinforcement sealing structures in inwall circumference.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (10)
- A kind of 1. cable seal ring, it is characterised in that：Including endless elastomeric and support ring, on the endless elastomeric circumferentially Accommodating chamber is offered, the support ring is arranged in accommodating chamber.
- A kind of 2. cable for charging electric automobiles sealing ring according to claim 1, it is characterised in that：The accommodating chamber is opened Between outer wall and inwall, the width wherein between accommodating chamber and outer wall is less than the width between accommodating chamber and inwall.
- A kind of 3. cable seal ring according to claim 1, it is characterised in that：The accommodating chamber is opened on outer wall, institute The excircle for stating support ring has set up holding tank, and sealing ring is provided with the holding tank.
- A kind of 4. cable seal ring according to any one in Claims 2 or 3, it is characterised in that：The annular resilient Multiple convex tendons are circumferentially offered in the accommodating chamber of body, plurality of convex tendon is arranged evenly along the axial direction of accommodating chamber.
- A kind of 5. cable seal ring according to claim 4, it is characterised in that：In the outer wall circumference of the endless elastomeric It is provided with least one first reinforcement sealing structure.
- A kind of 6. cable seal ring according to claim 4, it is characterised in that：In the inwall circumference of the endless elastomeric It is provided with least one second reinforcement sealing structure.
- A kind of 7. cable seal ring according to claim 5 or claim 6, it is characterised in that：First reinforcement is close Seal structure or the second reinforcement sealing structure are strip projected parts structure.
- 8. a kind of charging electric vehicle multi-plug cable component of the cable seal ring with described in claim 1, its feature exist In：Including connector, sealing ring, cable fixing member and cable, the cable is arranged at connection by cable fixing member In device；The sealing ring is arranged between connector and cable, and outer wall and the connector of the endless elastomeric of the sealing ring are matched somebody with somebody Close, the inwall of endless elastomeric and cable jacket coordinate.
- 9. a kind of charging electric vehicle multi-plug cable component with cable seal ring according to claim 8, it is special Sign is：The multi-plug cable component is charging electric vehicle direct current or ac plug CA cable assembly.
- 10. a kind of charging electric vehicle multi-plug cable component with cable seal ring according to claim 8 or claim 9, It is characterized in that：The cable is multicore cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710817550.6A CN107834275A (en) | 2017-09-12 | 2017-09-12 | A kind of cable seal ring and charging electric vehicle multi-plug cable component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710817550.6A CN107834275A (en) | 2017-09-12 | 2017-09-12 | A kind of cable seal ring and charging electric vehicle multi-plug cable component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107834275A true CN107834275A (en) | 2018-03-23 |
Family
ID=61643265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710817550.6A Pending CN107834275A (en) | 2017-09-12 | 2017-09-12 | A kind of cable seal ring and charging electric vehicle multi-plug cable component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107834275A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066568A (en) * | 2018-09-14 | 2018-12-21 | 安徽京鸿密封件技术有限公司 | A kind of AC charging vehicle cable sealing element |
| CN113629460A (en) * | 2021-07-20 | 2021-11-09 | 中航光电科技股份有限公司 | Connector accessory structure with fixed sealing function |
| CN114731034A (en) * | 2019-11-06 | 2022-07-08 | 伊顿智能动力有限公司 | Bushing and cable gland comprising a bushing |
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| CN1157063A (en) * | 1994-07-11 | 1997-08-13 | 雷伊化学有限公司 | Electrical interconnections |
| EP1187265A2 (en) * | 2000-09-08 | 2002-03-13 | Sumitomo Wiring Systems, Ltd. | Waterproof connector |
| CN102723688A (en) * | 2011-03-30 | 2012-10-10 | 深圳市宏商材料科技股份有限公司 | Sealed protection sleeve |
| CN104541413A (en) * | 2012-07-31 | 2015-04-22 | 矢崎总业株式会社 | Shield connector structure |
| CN104979690A (en) * | 2014-04-09 | 2015-10-14 | 德尔福技术有限公司 | Sealed connector with an extended seal sleeve and an anti-water pooling retainer |
| CN105612667A (en) * | 2013-07-17 | 2016-05-25 | 莱奥尼车载电网系统有限责任公司 | Device for electrically contacting a shielding of an electric cable |
-
2017
- 2017-09-12 CN CN201710817550.6A patent/CN107834275A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1157063A (en) * | 1994-07-11 | 1997-08-13 | 雷伊化学有限公司 | Electrical interconnections |
| EP1187265A2 (en) * | 2000-09-08 | 2002-03-13 | Sumitomo Wiring Systems, Ltd. | Waterproof connector |
| CN102723688A (en) * | 2011-03-30 | 2012-10-10 | 深圳市宏商材料科技股份有限公司 | Sealed protection sleeve |
| CN104541413A (en) * | 2012-07-31 | 2015-04-22 | 矢崎总业株式会社 | Shield connector structure |
| CN105612667A (en) * | 2013-07-17 | 2016-05-25 | 莱奥尼车载电网系统有限责任公司 | Device for electrically contacting a shielding of an electric cable |
| CN104979690A (en) * | 2014-04-09 | 2015-10-14 | 德尔福技术有限公司 | Sealed connector with an extended seal sleeve and an anti-water pooling retainer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066568A (en) * | 2018-09-14 | 2018-12-21 | 安徽京鸿密封件技术有限公司 | A kind of AC charging vehicle cable sealing element |
| CN114731034A (en) * | 2019-11-06 | 2022-07-08 | 伊顿智能动力有限公司 | Bushing and cable gland comprising a bushing |
| CN113629460A (en) * | 2021-07-20 | 2021-11-09 | 中航光电科技股份有限公司 | Connector accessory structure with fixed sealing function |
| CN113629460B (en) * | 2021-07-20 | 2024-03-26 | 中航光电科技股份有限公司 | Connector accessory structure with fixing and sealing functions |
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Application publication date: 20180323 |