CN210798000U - Inner corridor stone cornice structure - Google Patents
Inner corridor stone cornice structure Download PDFInfo
- Publication number
- CN210798000U CN210798000U CN201921148077.8U CN201921148077U CN210798000U CN 210798000 U CN210798000 U CN 210798000U CN 201921148077 U CN201921148077 U CN 201921148077U CN 210798000 U CN210798000 U CN 210798000U
- Authority
- CN
- China
- Prior art keywords
- stone
- hanging
- panel
- square steel
- butt
- 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.)
- Expired - Fee Related
Links
- 239000004575 stone Substances 0.000 title claims abstract description 125
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 47
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 11
- 238000005034 decoration Methods 0.000 abstract description 4
- 239000012634 fragment Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Landscapes
- Finishing Walls (AREA)
Abstract
The utility model discloses an inner corridor stone cornice structure, which relates to the technical field of architectural decoration, and comprises a plurality of vertical square steel pipes, wherein one side of each square steel pipe is provided with a stone panel, and a plurality of groups of hanging components for hanging the stone panel on the square steel pipe are arranged between the square steel pipe and the stone panel; hang the subassembly including hanging link plate and lock joint plate, hang the link plate and be "L" shape and fix the one side that is close to the stone material panel at the square steel pipe, hang link plate one end up, the lock joint plate divide into buckling parts, butt portion and connecting portion, buckling parts is "Contraband" shape and tip down, the top of hanging the link plate is hung to the buckling parts cover, butt portion and hanging link plate one side butt, connecting portion fix on the stone material panel. The utility model discloses a lock joint portion cover of buckle plate is hung on hanging the board, and butt portion and the lateral wall butt of hanging the board to the convenience is fixed to the installation of stone material panel.
Description
Technical Field
The utility model belongs to the technical field of architectural decoration's technique and specifically relates to an interior corridor stone material eaves mouth structure is related to.
Background
The stone curtain wall is widely adopted in decoration and finishing engineering of modern buildings, the connection of the stone panel and the stone keel is the key point in the construction of the stone curtain wall, and the difficulty of installation and disassembly determines the construction time of the stone curtain wall. In the wall decoration process in corridor, also can make the stone decorate as the curtain, when the stone material was installed, fix the one side at the wall body earlier with square steel pipe usually, fix the stone material on square steel pipe again to the installation of realization for the stone material.
The chinese patent that patent publication number is CN207959633U provides a stone curtain wall, including wall body, fossil fragments, stone panel and articulate the subassembly, fossil fragments fixed connection is on the wall body, the stone panel links to each other through articulating subassembly and fossil fragments, one side of fossil fragments is equipped with crossbeam angle sign indicating number, be equipped with first right angle on two adjacent sides on the stone panel respectively and reserve the mouth, be equipped with the second right angle on two other adjacent sides on the stone panel respectively and reserve the mouth, be equipped with the spread groove on the side of stone panel, articulate the subassembly and include first connecting piece interconnect's second connecting piece, just first connecting piece and crossbeam angle sign indicating number link to each other, second connecting piece and stone panel link to each other, and its structural design is reasonable, and the construction of being convenient for has certain antidetonation effect, and waterproof sealing performance is good.
The above prior art solutions have the following drawbacks: when the stone panel is installed to the fossil fragments, need pass through the bolt fastening with the second connection angle sign indicating number on first connection angle sign indicating number, the stone panel has certain weight, when fixing the second connection angle sign indicating number on first connection angle sign indicating number, need consume great manpower and aim at, and the gap between stone panel and the fossil fragments is less, is difficult for operating the bolt to the installation difficulty, efficiency is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an interior corridor stone material eaves mouth structure that stone material was easily installed.
The utility model discloses a can realize through following technical scheme:
an inner corridor stone cornice structure comprises a plurality of vertical square steel pipes, wherein a stone panel is arranged on one side of each square steel pipe, and a plurality of groups of hanging assemblies for hanging the stone panels on the square steel pipes are arranged between the square steel pipes and the stone panels;
hang the subassembly including hanging link plate and buckle connection board, it is close to hang the link plate to be "L" shape and fix at the square steel pipe one side of stone material panel, it is up to hang link plate one end, the buckle connection board divide into buckling parts, butt portion and connecting portion, buckling parts are "Contraband" shape and tip down, buckling parts cover is hung hang the top of hanging link plate, butt portion with hang link plate one side butt, connecting portion fix on the stone material panel.
Through adopting the above technical scheme, the stone material panel installation process does, earlier with hang link plate one end up fix in square steel pipe one side, the stone material panel is fixed the buckle plate in stone material panel one side in advance, it drives the buckle part cover on the buckle plate and hangs on the top of hanging the link plate to pick up the stone material panel, the completion back is hung to the buckle part cover, along with the stone material panel rotates to vertical, butt portion on the buckle plate carries out the butt with the lateral wall of hanging the link plate, thereby keep the vertical state of stone material panel, thereby accomplish the installation of stone material panel, compare with the installation of current stone material panel, the operation of screwing in the bolt has been reduced, thereby the process of installing the stone material panel has been made things convenient for, and installation back stability is better, it is fixed with hanging the link plate through buckle part and butt.
Further setting the following steps: the opposite inner sides of the buckling parts are provided with first clamping grooves with T-shaped sections, rubber pads with Contraband-shaped sections are arranged in the buckling parts, the rubber pads are matched with the inner sides of the buckling parts, the rubber pads are arranged in the first clamping grooves in a clamping and embedding mode, and when the buckling parts are sleeved and hung at the top ends of the hanging plates, the inner sides of the rubber pads are abutted to the opposite two sides of the vertical parts of the hanging plates.
Through adopting above-mentioned technical scheme, when buckling part cover was hung on hanging the board, through the rubber pad with hang the board contact to change the rigid connection between buckling part and the hanging the board into flexonics, thereby it is firm to connect between buckling part and the hanging the board, difficult emergence is rocked relatively, and the rubber pad has increaseed the frictional force between buckling part and the hanging the board, with this stone panel when receiving external force, the difficult skew of taking place on hanging the board of buckling part.
Further setting the following steps: the second embedded groove is formed in one side, close to the square steel pipe, of the abutting portion, a hemispherical head is arranged on one side of the abutting portion, the hemispherical head is embedded in the second embedded groove in a clamped mode, and the abutting portion abuts against the hanging plate through the hemispherical head.
Through adopting above-mentioned technical scheme, butt portion passes through the hemisphere head and hangs the link plate butt to change the rigid butt between butt portion and the link plate into the elasticity butt, when the lock joint board produced to rock a little, butt portion lasts and hangs the link plate contact through the hemisphere head, thereby butt portion is difficult because the link plate is hung in collision many times and damage the link plate, and is difficult for producing the noise.
Further setting the following steps: the connecting portion are square plate-shaped, two ends of the connecting portion are fixed with the buckling portion and the abutting portion respectively, a stone back bolt is pre-buried in the stone panel, one end of the stone back bolt penetrates through the connecting portion and is in threaded connection with a locking nut, and a waterproof gasket is arranged between the connecting portion and the stone panel.
Through adopting above-mentioned technical scheme, when fixing the lock joint board on the stone material panel, connecting portion cover is established on the stone material back of the body is tied, thereby making connecting portion lock die on the stone material panel through screwing up lock nut, the waterproof gasket of establishing has reduced moisture and has corroded the possibility that the stone material back of the body is tied through the gap on the stone material panel between stone material panel and the connecting portion to the life of the stone material back of the body is tied has been prolonged, and the stone material panel is difficult for tying the corrosion and droing owing to the stone material back of the body.
Further setting the following steps: the stone panel is characterized in that a plurality of L-shaped angle steels are fixed on one side, close to the stone panel, of the square steel pipe, one sides of the angle steels are fixed on the square steel pipe, the upper sides of the angle steels are horizontal, and the lower sides of the hanging plates are fixed on the upper sides of the angle steels.
Through adopting above-mentioned technical scheme, when fixed hanging plate, fix the angle steel at the square steel pipe lateral wall earlier, will hang the hanging plate and fix at the angle steel upside to the convenience is to hanging the installation of hanging plate, and has improved hanging plate's atress performance.
Further setting the following steps: and a horizontal adjusting screw rod is arranged at the bottom of the second embedding groove in a penetrating manner, the adjusting screw rod is in threaded connection with the abutting part, and one end of the adjusting screw rod is abutted against the hemispherical head.
Through adopting above-mentioned technical scheme, during the installation stone material panel, after the hemisphere head with hang the link plate butt, through twisting adjusting screw and adjusting the hemisphere head and stretch out the length of butt portion to the convenience is to the adjustment of stone material panel verticality.
Further setting the following steps: and one side of the hanging plate, which is opposite to the hemispherical head, is provided with a plurality of limiting holes for limiting the deviation of the hemispherical head.
Through adopting above-mentioned technical scheme, behind the hanging plate, hemisphere head one end was located spacing downthehole to the removal of restriction hemisphere head, thereby restriction fishplate bar's skew.
To sum up, the utility model discloses a beneficial technological effect does:
(1) when the stone panel is installed, the hanging plate is fixed on one side of the square steel pipe, the buckling plate is fixed on the stone panel in advance, along with the movement of the stone panel, the buckling part of the buckling plate is sleeved at the top end of the hanging plate, and meanwhile, the abutting part of the buckling plate abuts against the side wall of the hanging plate, so that the stone panel is fixed;
(2) the buckling part is contacted with the hanging plate through the rubber pad, so that the connection mode between the buckling part and the hanging plate is changed into elastic connection, the gap between the abutting part and the hanging plate is reduced, and the abutting part is not easy to move relative to the hanging plate;
(3) thereby twist adjusting screw and drive the hemisphere head and stretch out the length of butt portion to adjust the butt portion and hang the clearance of link plate, and then the vertical degree of fine setting stone material panel.
Drawings
Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention;
fig. 2 is a schematic overall structure diagram of a second embodiment of the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 2.
Reference numerals: 1. a square steel pipe; 2. a stone panel; 3. hanging plates; 4. a buckle plate; 5. a buckling part; 6. an abutting portion; 7. a connecting portion; 8. a first caulking groove; 9. a rubber pad; 10. a second caulking groove; 11. a hemispherical head; 12. back bolting of stone; 13. a waterproof gasket; 14. angle steel; 15. adjusting the screw rod; 16. a limiting hole; 17. and (5) fixing the bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1, the inner corridor stone cornice structure disclosed by the present invention comprises a plurality of vertical square steel tubes 1, wherein a plurality of L-shaped angle steels 14 are fixed on one side of each square steel tube 1, and the angle steels 14 are horizontally arranged and horizontally arranged; the stone panel hanging device is characterized in that one side of the square steel pipe 1 is provided with a vertical stone panel 2, and a plurality of groups of hanging components used for hanging the stone panel 2 on the square steel pipe 1 are arranged between the square steel pipe 1 and the stone panel 2. Hang the subassembly including hanging link plate 3 and buckle joint plate 4, hang link plate 3 and be "L" shape and fix in one side that square steel pipe 1 is close to stone material panel 2, hang 3 level settings of link plate and one end up, hang the downside of link plate 3 and the upside butt of angle steel 14, wear to be equipped with fixing bolt 17 between hanging link plate 3 and the angle steel 14, and fixing bolt 17 end fixing has fixation nut, thereby realize angle steel 14 and hanging link plate 3's fixed through screwing up fixation nut. The buckling plate 4 is divided into a buckling part 5, a connecting part 7 and a butting part 6 from top to bottom, the buckling part 5 is in a shape of 'Contraband', the end part of the buckling part is downward, the buckling part 5 is used for being sleeved on the top end of the hanging plate 3, the butting part 6 is in a square shape, and one side of the butting part is butted with the hanging plate 3. Connecting portion 7 is the square plate form and both ends respectively with buckling part 5 and butt portion 6 fixed connection, connecting portion 7 one side and stone material panel 2 laminating are fixed.
When stone material panel 2 is installed, fix buckle plate 4 in one side of stone material panel 2 through connecting portion 7 earlier, will hang the screw-thread fit that link plate 3 passes through fixing bolt 17 and fixing bolt 17 simultaneously and fix on angle steel 14, lift up stone material panel 2, hang 5 covers of buckle part of buckle plate 4 on the top of hanging link plate 3, butt 6 butt of butt portion is hanging the lateral wall of link plate 3 simultaneously, with this completion fixed to stone material panel 2, when hanging stone material panel 2, the operation of twisting the bolt has been reduced, simple to operate.
The relative inboard of buckling part 5 all is seted up the first inlay card groove 8 that the cross-section is "T" shape, and buckling part 5 inboard is equipped with the rubber pad 9 that the cross-section is "Contraband" shape, and the equal integrated into one piece of inboard that rubber pad 9 is close to first inlay card groove 8 has first T-shaped piece, and first T-shaped piece inlay card sets up in first inlay card groove 8. When the buckling part 5 is hung on the top end of the hanging plate 3 in a sleeved mode, the relative inner side of the rubber pad 9 is abutted to the hanging plate 3, so that the gap between the buckling part 5 and the hanging plate 3 is reduced, and the buckling part 5 is not prone to sliding when hung on the hanging plate 3 in a sleeved mode.
One side that butt portion 6 is close to just to square steel pipe 1 is seted up the second inlay card groove 10 that the cross-section is "T" shape, and butt portion 6 is close to square steel pipe 1 one end and is equipped with hemispherical head 11, and the sphere of hemispherical head 11 is just to square steel pipe 1, and the one end integrated into one piece that the hemispherical head 11 is far away from square steel pipe 1 has the second T-shaped piece, and the inlay card of second T-shaped piece sets up in second inlay card groove 10. The butt joint piece passes through hemispherical head 11 and hangs the 3 butts of link plate to when buckle joint plate 4 takes place to rock, the tight portion of support can last the butt on hanging link plate 3, thereby keeps the stability of stone material panel 2.
The implementation principle and the beneficial effects of the embodiment are as follows:
when stone panel 2 is installed, fix fishplate bar 4 on stone panel 2 through stone back of the body bolt 12 and lock nut earlier, will hang the threaded connection that link plate 3 passes through fixing bolt 17 and fixing nut simultaneously and fix on square steel pipe 1, lift up stone panel 2, make 5 covers of buckling part hang on the top of hanging link plate 3, rubber pad 9 this moment restriction buckling part 5 slides on hanging link plate 3, 5 covers of buckling part hang the completion back, butt portion 6 passes through hemispherical head 11 and 3 butts of hanging link plate, with this installation to stone panel 2 of completion, the process of hanging of stone panel 2 has reduced the operation of twisting the bolt, with this installation to stone panel 2 of convenience.
Example two:
the advantage of the second embodiment over the first embodiment is that it is easy to adjust the verticality of the stone panel 2.
Referring to fig. 2 and 3, the second embodiment is based on the first embodiment. The bottom of the second caulking groove 10 of the butt portion 6 is provided with a horizontal adjusting screw 15 in a penetrating manner, and one end of the adjusting screw 15 is abutted to the hemispherical head 11, so that when the stone panel 2 is inclined, the length of the butt portion 6 extended from the hemispherical head 11 is adjusted by screwing an adjusting bolt, and the verticality of the stone panel 2 is adjusted.
In order to limit the sliding of the abutting part 6 and the hemispherical head 11, a limiting hole 16 for limiting the deviation of the hemispherical head 11 is formed in one side, opposite to the hemispherical head 11, of the hanging plate 3, and the limiting holes 16 correspond to the hemispherical heads 11 one by one.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides an interior corridor stone material eaves mouth structure which characterized in that: the stone panel hanging device comprises a plurality of vertical square steel pipes (1), wherein a stone panel (2) is arranged on one side of each square steel pipe (1), and a plurality of groups of hanging assemblies used for hanging the stone panel (2) on the square steel pipes (1) are arranged between the square steel pipes (1) and the stone panels (2);
hang the subassembly including hanging link plate (3) and fishplate bar (4), hang link plate (3) and be "L" shape and fix and be close to in square steel pipe (1) one side of stone material panel (2), hang link plate (3) one end up, fishplate bar (4) divide into latch joint portion (5), butt portion (6) and connecting portion (7), latch joint portion (5) are "Contraband" shape and tip down, latch joint portion (5) suit is hung hang the top of hanging link plate (3), butt portion (6) with the butt of hanging link plate (3) one side, connecting portion (7) are fixed on stone material panel (2).
2. An inner corridor stone cornice structure as claimed in claim 1, wherein: the utility model discloses a hang hanging plate, including buckle portion (5), rubber pad (9), buckling portion (5) and rubber pad (9), the relative inboard of buckling portion (5) all seted up the first inlay card groove (8) that the cross-section is "T" shape, be equipped with rubber pad (9) that the cross-section is "Contraband" shape in buckling portion (5), rubber pad (9) with the inboard of buckling portion (5) agrees with, just rubber pad (9) inlay card sets up in first inlay card groove (8), work as buckling portion (5) suit is in during the top of hang hanging plate (3), the inboard of rubber pad (9) with the relative both sides butt of the vertical portion of hang hanging plate (3).
3. An inner corridor stone cornice structure as claimed in claim 2, wherein: the butt portion (6) is close to one side of square steel pipe (1) has been seted up second inlay card groove (10), butt portion (6) one side is equipped with hemisphere head (11), hemisphere head (11) inlay card sets up in second inlay card groove (10), butt portion (6) pass through hemisphere head (11) with hang link plate (3) butt.
4. An internal corridor stone cornice structure as claimed in claim 3, wherein: connecting portion (7) are square plate form and both ends respectively with buckling part (5) with butt portion (6) are fixed, pre-buried stone material back of the body bolt (12) in stone material panel (2), stone material back of the body bolt (12) one end is passed connecting portion (7) and threaded connection have lock nut, connecting portion (7) with be equipped with waterproof gasket (13) between stone material panel (2).
5. An inner corridor stone cornice structure as claimed in claim 1, wherein: the stone slab is characterized in that the square steel pipe (1) is close to one side of the stone panel (2) and is fixedly provided with a plurality of L-shaped angle steels (14), one side of each angle steel (14) is fixed on the square steel pipe (1), the upper sides of the angle steels (14) are horizontal, and the lower sides of the hanging plates (3) are fixed on the upper sides of the angle steels (14).
6. An internal corridor stone cornice structure as claimed in claim 3, wherein: the bottom of the second embedding groove (10) is provided with a horizontal adjusting screw (15) in a penetrating mode, the adjusting screw (15) is in threaded connection with the abutting portion (6), and one end of the adjusting screw abuts against the hemispherical head (11).
7. An internal corridor stone cornice structure as claimed in claim 6, wherein: one side of the hanging plate (3) opposite to the hemispherical head (11) is provided with a plurality of limiting holes (16) for limiting the deviation of the hemispherical head (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921148077.8U CN210798000U (en) | 2019-07-20 | 2019-07-20 | Inner corridor stone cornice structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921148077.8U CN210798000U (en) | 2019-07-20 | 2019-07-20 | Inner corridor stone cornice structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210798000U true CN210798000U (en) | 2020-06-19 |
Family
ID=71247633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921148077.8U Expired - Fee Related CN210798000U (en) | 2019-07-20 | 2019-07-20 | Inner corridor stone cornice structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210798000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908903A (en) * | 2022-03-14 | 2022-08-16 | 中建二局装饰工程有限公司 | Northern Shaanxi style curtain wall modeling |
-
2019
- 2019-07-20 CN CN201921148077.8U patent/CN210798000U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908903A (en) * | 2022-03-14 | 2022-08-16 | 中建二局装饰工程有限公司 | Northern Shaanxi style curtain wall modeling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210508176U (en) | Indoor wallboard dry-hanging mounting structure | |
| CN101956438A (en) | Three-dimensionally adjustable disconnectable curtain wall connecting device and construction method thereof | |
| CN210177784U (en) | Assembled adjustable large-block-plate suspended ceiling | |
| CN210395967U (en) | Building exterior finish decorative board mounting structure | |
| CN105888239A (en) | Sliding block type early-dismantling concrete formwork supporting head | |
| CN204920240U (en) | Curtain cement link plate positioning adjustment device | |
| CN210798000U (en) | Inner corridor stone cornice structure | |
| CN201901964U (en) | Three-dimensional adjustable and disconnectable curtain wall | |
| CN216405860U (en) | Dry-hanging type hollow ceramic brick curtain wall system | |
| CN101186263A (en) | Method for connecting aluminum electrolysis multifunctional overhead crane orbit telescopic seam | |
| CN2499463Y (en) | Wind-proof anti-shock hanging piece for stone curtain wall | |
| CN203174836U (en) | Heavy ceramic gravel curtain wall system with cross beam | |
| CN204571000U (en) | Node installed by a kind of flexible connecting device and side fascia | |
| CN216340293U (en) | Double-layer curtain wall system with outer curtain wall made of UHPC material | |
| CN103741901B (en) | Be easy to the railing system assembled | |
| CN111058558A (en) | Connecting structure for curtain wall single plate and keel and construction method thereof | |
| CN210797998U (en) | Dry hanging type stone curtain wall structure | |
| CN212715556U (en) | Building curtain wall mounting and fixing device | |
| CN210342372U (en) | Unit type curtain wall adapter | |
| CN214739090U (en) | Classroom outer wall design structure | |
| CN107700778A (en) | A kind of dry-hanging component of groove formula porcelain plate | |
| CN211172557U (en) | Mounting structure of stone curtain wall | |
| CN209799135U (en) | Aluminous gusset plate ceiling mounting structure | |
| CN204510585U (en) | What connect aluminium sheet and keel flexibly connects frame | |
| CN207568015U (en) | A kind of high intensity curtain wall support structure for building |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 |