CN106911209A - The forward end seal structure of Motor for Electric Automobile - Google Patents
The forward end seal structure of Motor for Electric Automobile Download PDFInfo
- Publication number
- CN106911209A CN106911209A CN201510971105.6A CN201510971105A CN106911209A CN 106911209 A CN106911209 A CN 106911209A CN 201510971105 A CN201510971105 A CN 201510971105A CN 106911209 A CN106911209 A CN 106911209A
- Authority
- CN
- China
- Prior art keywords
- motor
- forward end
- electric automobile
- end seal
- procapsid
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The present invention provides a kind of forward end seal structure of Motor for Electric Automobile, including：Procapsid；Extruding housing, it is linked on procapsid；Coolant channel, it is arranged in procapsid circumference；Sealing ring, it is clipped between procapsid and extruding housing and is sealed.A kind of forward end seal structure of Motor for Electric Automobile of present invention design, can effectively be sealed to motor, and with relatively low manufacturing cost.
Description
Technical field
The present invention relates to motor in electric automobile manufacturing technology field, in particular to a kind of electronic vapour
The forward end seal structure of automobile motor.
Background technology
Along with the high speed development of automobile industry, petroleum resources shortage, environment warm with climate warming etc.
A series of problems has burst.New-energy automobile with pure electric automobile as representative will turn into China's vapour
One of important directions of car industry development.And automobile power-driven system is unique as pure electric automobile
Power source, its performance directly affects dynamic property, stability and the comfortableness of vehicle.
Existing motor sealing structure is complicated, and manufacturing cost is higher, and sealing effectiveness is not ideal enough, reaches
Less than automobile industry to the related request of motor seal performance.
In view of this, it is necessary to design a kind of forward end seal structure of Motor for Electric Automobile, can be to electricity
Machine is sealed.
The content of the invention
For above-mentioned technical problem, a kind of forward end seal knot of Motor for Electric Automobile of present invention design
Structure, can effectively be sealed to motor, and with relatively low manufacturing cost.
To achieve the above object, the invention provides a kind of forward end seal structure of Motor for Electric Automobile,
Including：Procapsid；Coolant channel, it is arranged in procapsid circumference；Extruding housing, its fit
On procapsid；Sealing ring, it is clipped between procapsid and extruding housing, is carried out with to coolant channel
Sealing.
Further, the procapsid includes：Supporting construction, it applies axially downward to sealing ring
Support pressure and support pressure radially.
Further, the section of the supporting construction is：Groove, it makes being partially submerged into for sealing ring.
Further, the groove is circumferentially disposed along procapsid.
Further, the extruding housing includes：Extrusion structure, it can be with supporting construction phase interworking
Close, and apply squeeze pressure and squeeze pressure radially inward axially upward to sealing ring.
Further, the section of the extrusion structure is：Ladder, it makes another part of sealing ring embedding
Enter.
Further, the ladder is circumferentially disposed along extruding housing.
Further, the ladder includes：First step, it is configured to extrude the circumferential outside of housing
Edge；And second step, it is highly less than first step, and is set with close to first step ground mode
Put in the inner side of extruding housing circumference outer edge.
Further, the forward end seal structure includes：The first step and the second step it
Between angle more than or equal to 90 degree and less than 180 degree.
Further, the procapsid includes：Protecgulum；With the integrally formed cylinder of protecgulum and back seat；
Wherein：The radial direction maximum radius value of protecgulum>The radial direction maximum radius value of back seat>The radial direction of cylinder maximum half
Footpath is worth.
Further, the forward end seal structure includes：The radial direction maximum radius value of the extruding housing
>The radial direction maximum radius value of back seat；Also, the radial direction maximum radius value of the extruding housing<Protecgulum
Radial direction maximum radius value.
Further, the forward end seal structure includes：The extruding housing is linked in the outside of cylinder；
Also, the extruding housing is resisted against the downside of protecgulum towards the edge of protecgulum side.
Further, the forward end seal structure includes：The edge of the extruding housing towards protecgulum side
Stepped structure；The protecgulum is in groove-like structure with the junction of cylinder；Wherein, stepped knot
Structure complements each other to form closed cavity with groove-like structure, to accommodate sealing ring.
A kind of forward end seal structure of Motor for Electric Automobile that the present invention is provided, can be carried out to motor
Effectively sealing, and with relatively low manufacturing cost.
The additional aspect of the present invention and advantage will be set forth in part in the description, and these will be from following
Description in become obvious, or by it is of the invention practice recognize.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the one of the application
Part, schematic description and description of the invention is used to explain the present invention, does not constitute to this hair
Bright improper restriction.In the accompanying drawings：
Fig. 1 is the explosive view of the forward end seal structure of the Motor for Electric Automobile of one embodiment of the invention；
Fig. 2 is the front view of the integrated driving device used for electric vehicle of one embodiment of the invention；
Fig. 3 is the sectional view along E-E lines in Fig. 2 devices；
Fig. 4 is the close-up schematic view of F circles in Fig. 3 devices.
Specific embodiment
To make those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings and
Specific embodiment is described in further detail to the present invention.Reality of the invention is described in more detail below
Mode is applied, the example of the implementation method is shown in the drawings, wherein same or similar from start to finish
Label represents same or similar element or the element with same or like function.Below with reference to
The implementation method of Description of Drawings is exemplary, is only used for explaining the present invention, and can not be construed to this
The limitation of invention.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative used herein
" one ", " one ", " described " and " being somebody's turn to do " may also comprise plural form.Should further manage
Solution, used in specification of the invention wording " including " refer to exist the feature, integer,
Step, operation, element and/or component, but it is not excluded that in the presence of or add one or more other it is special
Levy, integer, step, operation, element, component and/or their group.It should be understood that when we claim
Element is " connected " or during " coupled " to another element, and it can be directly connected or coupled to other
Element, or can also there is intermediary element.Wording "and/or" used herein is including one or more
The associated any cell for listing item of multiple and all combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein
Have including technical term and scientific terminology general with the those of ordinary skill in art of the present invention
Understand identical meaning.It should also be understood that those terms defined in such as general dictionary should
It is understood to that there is the meaning consistent with the meaning in the context of prior art, and unless as here
Equally define, will not be explained with idealization or excessively formal implication.
Fig. 1 is the explosive view of the forward end seal structure of the Motor for Electric Automobile of one embodiment of the invention.
Fig. 2 is the front view of the integrated driving device used for electric vehicle of one embodiment of the invention.Such as Fig. 1-2 institutes
Show, the sealing structure that the present invention is provided is applied to the integrated driving device of electric automobile, the integrated driving
Device can include：The motor driven using electric current and the inverter changed to AC-to-DC electricity.
Procapsid 4, extruding housing 3 and back casing 1 to be constituted match somebody with somebody to merge to constitute successively successively with merging and closed
Motor housing.The housing can be as the shell of integrated driving device.The electronic vapour that the present invention is provided
The forward end seal structure of automobile motor, can integrate motor and inverter, save assembling empty
Between, weight of equipment is reduced, the support for supporting inverter is saved, so as to manufacturing cost is greatly reduced.
Inverter (not shown) is arranged in back casing 1, and it can include capacitance module and power mould
Block, capacitance module has the DC connecting end electrically connected with dc source；Power model its there is multiple
On-off circuit, DC input terminal and AC output terminal, direct-flow input end are electrically connected to dc source
(for example, Vehicular accumulator cell), AC output terminal is electrically connected to electric motor.On-off circuit will be from straight
The direct current that stream input is obtained is converted to alternating current, and is exported by ac output end.Inverter shell
Body (that is, back casing 1) encapsulates in the chamber formed by it power model and capacitance module.
The stator module of motor is provided with three AC input terminals at it towards one end of inverter, exchange
Input terminal sets the end downside of stator module.Correspondingly, inverter power model one end
Downside be provided with three AC output terminals, three AC output terminals are arranged so that inversion
After the completion of device and group of motors turn, three AC output terminals are direct with corresponding three AC input terminals
Contact, for example, be connected through a screw thread, welding, solder, solder brazing, riveting and Elastic Contact are connected
Together, and without using extra connecting line, this reduces manufacturing cost.
Because the drive device of integrated motor and inverter needs to cool down motor and inverter, because
This can design the son of composition coolant channel on procapsid 4, extruding housing 3 and back casing 1
Structure so that after procapsid 4, extruding housing 3 and back casing 1 coordinate successively, in housing
Portion forms the coolant flow channel (that is, coolant channel) of closing.
As a kind of embodiment, as shown in figure 1, procapsid 4 can include：Protecgulum 4-1；With it is preceding
Cover integrally formed cylinder 4-2 and back seat 4-3；Wherein：The radial direction maximum radius value of protecgulum 4-1>Afterwards
The radial direction maximum radius value of seat 4-3>The radial direction maximum radius value of cylinder 4-2, the i.e. radial direction of protecgulum 4-1
Maximum radius value more than back seat 4-3 radial direction maximum radius value, and back seat 4-3 radial direction maximum half
Footpath radial direction maximum radius value of the value more than cylinder 4-2.For example, the radial direction of the extruding housing 3 is maximum
Radius value>The radial direction maximum radius value of back seat 4-3；Also, it is described extruding housing 3 radial direction maximum half
Footpath is worth<The radial direction maximum radius value of protecgulum 4-1.So, procapsid 4 can be linked in extruding housing
In 3, and cause back seat 4-3 through extruding housing 3 to carry out subsequent cooperation with back casing 1.
Based on this structure, the invention provides a kind of forward end seal structure of Motor for Electric Automobile, can wrap
Include：Procapsid 4, extruding housing 3 and back casing 1, these three housings constitute closing with merging successively
Motor housing；Coolant channel, it is arranged in the circumference of procapsid 4；Sealing ring 2-1, its folder
Sealed between procapsid 4 and extruding housing 3；Second sealing ring 2-2, its be clipped in procapsid 4,
Between extruding housing 3 and back casing 1, sealed with to coolant channel 4-6.
Due to the radial direction maximum radius value of the radial direction maximum radius value more than back seat 4-3 of protecgulum 4-1, and
And radial direction maximum radius value of the radial direction maximum radius value of back seat 4-3 more than cylinder 4-2, therefore fore shell
The shape of body 4 is actually similar to the small dumbbell-shaped structure in the big centre in two, so as to work as procapsid 4 and squeeze
After pressure shell body 3 coordinates, the circulation passage of cooling agent is formed between cylinder 4-2 and extruding housing 3.
Fig. 3 is the sectional view along E-E lines in Fig. 2 devices.As shown in figure 3, integrated driving device
Bottom constitutes cavity by back casing, procapsid, extruding housing, and cooling agent (for example, water) entrance sets
Put and covered after, when cooling agent is when lower cavity is flowed through, take away the generation of inverter electronic component
Calorimetric, plays a part of cooling.If it is also conceivable to increasing dry-pressing between back casing and extruding housing
Piece, to adjust the cavity size flowed for cooling agent.Coolant channel in the middle part of integrated driving device
It is made up of stator casing, i.e. procapsid 4, extruding housing 3 and back casing 1, wherein：Outside stator
In shell top, sealing ring 2-1 (for example, O-ring) is used between procapsid 4 and extruding housing 3
Sealed.Procapsid 4 has small mistake with back casing 1 during coolant flow channel is formed
The amount of being full of, is completed by press-loading process.Additionally, procapsid 4 and back casing 1 can be linked by bolt.
From in the cavity in integrated driving device lower inverter circulate cooling agent effect it is different, middle part it is cold
But the coolant outlet on agent passage and top is mainly and stator is cooled down.
Fig. 4 is the close-up schematic view of F circles in Fig. 3 devices.As shown in figure 4, procapsid 4 can
To include：Supporting construction S1, it applies support pressure axially downward to sealing ring 2-1 and along footpath
To outside support pressure.For example, can be designed as supporting construction S1, its section is：It is recessed
Groove, it makes being partially submerged into for sealing ring 2-1.For example, groove is circumferentially disposed along procapsid 4.Extruding
Housing 3 includes：Extrusion structure P1, it can cooperate with supporting construction S1, and to sealing ring
2-1 applies squeeze pressure and squeeze pressure radially inward axially upward.For example, can be by
Extrusion structure P1 is designed as, and its section is：Ladder, it is embedded in another part of sealing ring 2-1.
For example, ladder is circumferentially disposed along extruding housing 3.For example, ladder is further included：First step,
Its outer edge for being configured to extrude the circumference of housing 3；And second step, it is highly less than first step,
And to be arranged on the inner side of the circumferential outer edge of extruding housing 3 close to first step ground mode.For example,
Angle between first step and second step is more than or equal to 90 degree and less than 180 degree.For example, extruding
Housing 3 is linked in the outside of cylinder 4-2；Also, it is described to extrude housing 3 towards protecgulum 4-1 sides
Edge is resisted against the downside of protecgulum 4-1.For example, edge of the extruding housing 3 towards protecgulum 4-1 sides
Stepped structure；The junction of the protecgulum 4-1 and cylinder 4-2 is in groove-like structure；Wherein,
Step structure complements each other to form closed cavity with groove-like structure, to accommodate sealing ring 2-1.Example
Such as, sealing ring 2-1 can be O-ring.
Above-mentioned sealing structure can apply in electric automotive motor, especially motor and inverter collection
Into in drive device together.For the formation of sealing structure, as shown in figure 4, procapsid 4,
Second sealing ring 2-2 and extruding housing 3 complement each other to form sealing.Above-mentioned sealing structure belongs to triangle
(axially and radially), such sealing is relatively reliable for sealing.
Above-mentioned sealing structure can not only generate the shell of protection field frame assembly, rotor assembly and inverter,
And it is configured with what the stator general name and inverter of motor were cooled down respectively in the shell being combined into
Different cooling structures, so as to form the coolant flow channel of integrated insertion, for the whole of motor and inverter
Body is cooled down.Coolant flow direction is mainly made up of procapsid 4, extruding housing 3, sealing ring, wherein before
Housing 4 has the small magnitude of interference with extruding housing 3 during cooperation is formed, complete by press-loading process
Into the coolant channel is mainly as stator is cooled down.
As another embodiment, the invention provides the sealing structure that a kind of two part coordinates, including：
Sealing ring 2-1；Supporting construction S1, it applies support pressure axially downward and edge to sealing ring 2-1
Radially outer support pressure；Extrusion structure P1, it can cooperate with supporting construction S1, and right
Sealing ring 2-1 applies squeeze pressure and squeeze pressure radially inward axially upward；Wherein,
Sealing ring 2-1 is clipped in and sealing is realized between supporting construction S1 and extrusion structure P1.
In embodiment of the present invention scheme, O-ring sealing is employed, and formd on seal groove
Unique mechanisms, as shown in figure 4, seal groove is formed in procapsid 4 and extruding housing 3 respective outer side edges,
It is relatively reliable that this sealing belongs to the such sealing of delta seal (axially and radially).O-ring seal is
A kind of extrusion pressing type sealing, the basic functional principle of extrusion pressing type sealing is that elastic deformation occurs by seal,
Contact, contact is caused not to be sent out then more than the internal pressure of sealed medium on sealing contact surface
Raw leakage, on the contrary then leak.
As shown in figure 1, procapsid has a shunting muscle 4-5 in the coolant channel 4-6 at middle part, when
Coolant from inverter flow into when one week counterclockwise of coolant flow, then to delivery port position, so
Form a cooling on a large scale.For example, axle of the shunting S-type edges of muscle 4-5 parallel to cylinder 4-2
To on the cylinder 4-2 that direction is arranged between protecgulum 4-1 and back seat 4-3, so as to by coolant channel
4-6 is separated so that cooling agent can be flowed along coolant channel 4-6 along a predetermined direction
It is logical.
Further, since using design structure of the invention, the procapsid 4 of present invention design can be used
Extrusion process, extruding housing 3 can use extrusion process.With in the prior art, generally cast using sand
The mode that housing forms coolant flow channel is entirely different, and all runners are all concentrated on one by prior art
In housing, so as to increase manufacture difficulty, and the present invention is using this 3 parts groups into the side of housing
Case is many with respect to being simplified in technique for a housing completely casting, so as to improve yield rate.It is existing
Problem with the presence of the sand casting process of technology is easily to produce stomata during sand casting, causes cooling to be flowed
Road is leaked, and yield rate is low.
A kind of forward end seal structure of Motor for Electric Automobile of present invention design, can be to motor and inverse
The cooling body that change device is integrated is sealed, and with relatively low manufacturing cost.
The above is only some embodiments of the invention, it is noted that for the art
For those of ordinary skill, under the premise without departing from the principles of the invention, some improvement can also be made
And retouching, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. the forward end seal structure of a kind of Motor for Electric Automobile, it is characterised in that including：
Procapsid (4)；
Coolant channel (4-6), it is arranged in procapsid (4) circumference；
Extruding housing (3), it is linked on procapsid (4)；
Sealing ring (2-1), it is clipped between procapsid (4) and extruding housing (3), with to coolant channel (4-6)
Sealed.
2. the forward end seal structure of Motor for Electric Automobile according to claim 1, it is characterised in that
The procapsid (4) includes：
Supporting construction (S1), it applies support pressure axially downward and radially to sealing ring (2-1)
Outside support pressure.
3. the forward end seal structure of Motor for Electric Automobile according to claim 2, it is characterised in that
The section of the supporting construction (S1) is：
Groove, it makes being partially submerged into for sealing ring (2-1).
4. the forward end seal structure of Motor for Electric Automobile according to claim 3, it is characterised in that
The groove is circumferentially disposed along procapsid (4).
5. the forward end seal structure of Motor for Electric Automobile according to claim 1, it is characterised in that
Extruding housing (3) includes：
Extrusion structure (P1), it can be cooperated with supporting construction (S1), and sealing ring (2-1) is applied
Squeeze pressure and squeeze pressure radially inward axially upward.
6. the forward end seal structure of Motor for Electric Automobile according to claim 5, it is characterised in that
The section of the extrusion structure (P1) is：
Ladder, it is embedded in another part of sealing ring (2-1).
7. the forward end seal structure of Motor for Electric Automobile according to claim 6, it is characterised in that
The ladder is further included：
First step, it is configured to extrude the circumferential outer edge of housing (3)；And
Second step, it is highly less than first step, and is arranged on close to first step ground mode
The inner side of extruding housing (3) circumference outer edge.
8. the forward end seal structure of Motor for Electric Automobile according to claim 1, it is characterised in that
The procapsid (4) further includes：
Protecgulum (4-1)；
With the integrally formed cylinder of protecgulum (4-2) and back seat (4-3)；
Wherein：The radial direction maximum radius value of protecgulum (4-1)>The radial direction maximum radius value of back seat (4-3)>Cylinder
The radial direction maximum radius value of (4-2).
9. the forward end seal structure of Motor for Electric Automobile according to claim 8, it is characterised in that
Further include：
Extruding housing (3) is linked in the outside of cylinder (4-2)；Also,
Extruding housing (3) is resisted against the downside of protecgulum (4-1) towards the edge of protecgulum (4-1) side.
10. the forward end seal structure of Motor for Electric Automobile according to claim 9, it is characterised in that
Further include：
Edge stepped structure of extruding housing (3) towards protecgulum (4-1) side；
The protecgulum (4-1) is in groove-like structure with the junction of cylinder (4-2)；
Wherein, step structure complements each other to form closed cavity with groove-like structure, to accommodate sealing
Circle (2-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971105.6A CN106911209B (en) | 2015-12-22 | 2015-12-22 | The forward end seal structure of Motor for Electric Automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971105.6A CN106911209B (en) | 2015-12-22 | 2015-12-22 | The forward end seal structure of Motor for Electric Automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106911209A true CN106911209A (en) | 2017-06-30 |
| CN106911209B CN106911209B (en) | 2019-08-30 |
Family
ID=59200656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510971105.6A Active CN106911209B (en) | 2015-12-22 | 2015-12-22 | The forward end seal structure of Motor for Electric Automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN106911209B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112997387A (en) * | 2018-09-10 | 2021-06-18 | Abb瑞士股份有限公司 | Motor, device and method for manufacturing motor |
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| CN101951069A (en) * | 2010-09-09 | 2011-01-19 | 上海中科深江电动车辆有限公司 | Cooling water channel structure for motor casing |
| KR20140087358A (en) * | 2012-12-28 | 2014-07-09 | 주식회사 효성 | Frame apparatus for water cooled motor |
| CN104989822A (en) * | 2015-06-17 | 2015-10-21 | 宁波东联密封件有限公司 | Mechanical sealing device for kettle |
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- 2015-12-22 CN CN201510971105.6A patent/CN106911209B/en active Active
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|---|---|---|---|---|
| JP2001280501A (en) * | 2000-03-31 | 2001-10-10 | Sanyo Denki Co Ltd | Sealing structure and dynamo-electric machine |
| DE102004022058A1 (en) * | 2004-05-05 | 2005-12-08 | Siemens Ag | Bearing cap or housing end cap for electrical machine has joggled flange with apertures for fastening bolts and may have groove or cutout to accommodate sealing ring |
| CN200990534Y (en) * | 2005-12-30 | 2007-12-12 | 比亚迪股份有限公司 | Electric machine casing cooling water path sealing structure |
| CN101951069A (en) * | 2010-09-09 | 2011-01-19 | 上海中科深江电动车辆有限公司 | Cooling water channel structure for motor casing |
| KR20140087358A (en) * | 2012-12-28 | 2014-07-09 | 주식회사 효성 | Frame apparatus for water cooled motor |
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| CN112997387A (en) * | 2018-09-10 | 2021-06-18 | Abb瑞士股份有限公司 | Motor, device and method for manufacturing motor |
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| Publication number | Publication date |
|---|---|
| CN106911209B (en) | 2019-08-30 |
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