CN217204952U - Roof drainage valve assembly - Google Patents

Roof drainage valve assembly Download PDF

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Publication number
CN217204952U
CN217204952U CN202121092879.9U CN202121092879U CN217204952U CN 217204952 U CN217204952 U CN 217204952U CN 202121092879 U CN202121092879 U CN 202121092879U CN 217204952 U CN217204952 U CN 217204952U
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CN
China
Prior art keywords
filter cylinder
roof
filter
valve assembly
annular plate
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
Application number
CN202121092879.9U
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Chinese (zh)
Inventor
郭宏坤
乐锋
王振华
魏文柱
张生全
赵英年
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Third Engineering Co Ltd of China Railway 17th Bureau Group Co Ltd
Original Assignee
Third Engineering Co Ltd of China Railway 17th Bureau Group Co Ltd
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Priority to CN202121092879.9U priority Critical patent/CN217204952U/en
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Publication of CN217204952U publication Critical patent/CN217204952U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

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Abstract

The utility model provides a roof drainage valve component, belonging to the drainage technical field, comprising a first filter cylinder, a second filter cylinder and a floating body; the first filter cylinder extends into the drain pipe and is of a conical structure with the diameter gradually reduced downwards along the axial direction of the drain pipe, an annular plate used for being lapped on a roof surface is fixed at the top of the first filter cylinder, and the annular plate is arranged around the water inlet of the drain pipe; the second filter cylinder is arranged on the roof along the axial direction of the first filter cylinder, the bottom surface of the second filter cylinder is detachably connected with the top surface of the annular plate, and the second filter cylinder is of a conical structure with the diameter gradually reduced along the axial direction of the first filter cylinder; the bottom surface of the floating body is a flat plate surface which is vertical to the axial direction of the second filter cylinder, and the floating body is fixedly connected to one end, far away from the first filter cylinder, of the second filter cylinder and is suitable for driving the second filter cylinder and the first filter cylinder to float when the water amount is large. The utility model provides a roof drainage valve subassembly can remain the drain pipe unblocked throughout, and drainage efficiency is high, and the displacement adjusts the convenience.

Description

Roof drainage valve assembly
Technical Field
The utility model belongs to the technical field of the drainage, more specifically say, relate to a roof drainage valve subassembly.
Background
Come interim in rainy season, if only rely on unorganized drainage mode, make the roofing rainwater directly fall to outdoor ground from the eaves mouth, then the roofing rainwater freely falls and can splash the wall, and the outer wall basement of house is often corroded by the rainwater that splashes, influences the sturdy and durable of outer wall to probably influence the traffic on pavement, therefore, all can set up the drain pipe on the roof in the house construction, make the rainwater discharge to drainage system from the roof in.
The rainwater is often provided with impurities and is directly discharged from a drain pipe of the roof, and the drain port is easily blocked by long-term drainage, so that the drainage efficiency is influenced, the rainwater is accumulated, and the firmness and durability of the roof can be influenced if the rainwater cannot be discharged after long-term accumulation; and the rainfall is different in different seasons, and the drain valve in the prior art can not adapt to the drainage required in different seasons.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a roof drainage valve subassembly aims at solving the outlet and easily blocks up, and drainage inefficiency, and the displacement adjusts inconvenient technical problem.
In order to achieve the purpose, the utility model adopts the technical proposal that: there is provided a roof drain valve assembly comprising:
the first filter cylinder extends into the drain pipe and is of a conical structure with the diameter gradually decreasing downwards along the axial direction of the drain pipe, and an annular plate for overlapping on a roof surface is fixed at the top of the first filter cylinder and is arranged around the water inlet of the drain pipe;
the second filter cylinder is arranged on the roof along the axial direction of the first filter cylinder, the bottom surface of the second filter cylinder is detachably connected with the top surface of the annular plate, and the second filter cylinder is in a conical structure with the diameter gradually decreasing upwards along the axial direction of the first filter cylinder and is suitable for water flow to flow into the first filter cylinder from the conical wall of the second filter cylinder; and
the bottom surface of the floating body is a flat plate surface which is vertical to the axial direction of the second filter cylinder, and the floating body is fixedly connected to one end, far away from the first filter cylinder, of the second filter cylinder and is suitable for driving the second filter cylinder and the first filter cylinder to float under the action of buoyancy.
In a possible implementation manner, two sets of limiting members are disposed on the second filter cartridge, the limiting members are symmetrically fixed on the roof along an axis of the second filter cartridge, and the limiting members are connected with the second filter cartridge in a vertically sliding manner. Through setting up the locating part, make the axis of a section of thick bamboo of straining of second coincide with drain pipe axis all the time to make after the roof water yield is arranged, this first section of thick bamboo can fall back to the drain pipe in the action of gravity, drives a section of thick bamboo of straining simultaneously and falls on the roof.
Illustratively, the limiting part is a sliding rod fixed on the roof, the top end of the sliding rod vertically penetrates through the conical wall of the second filter cylinder and extends out of the second filter cylinder, and a hook is arranged at the extending end of the sliding rod.
In some embodiments, the slide bar has an axial length along the first cartridge that is greater than an axial length of the first cartridge.
In a possible implementation manner, the first filter holes are formed in the conical wall of the first filter cylinder at intervals, the second filter holes are formed in the conical wall of the second filter cylinder at intervals, the size of each first filter hole is smaller than that of each second filter hole, the second filter cylinder performs coarse filtration on impurities in water, and the first filter cylinder performs fine filtration on the impurities in the water to realize layered filtration on rainwater, so that water flow discharged into a drain pipe is relatively clean, and the drain pipe is prevented from being blocked.
In one possible implementation, the floating body includes:
the bottom surface of the shell is fixedly connected with the top end of the second filter cylinder;
and the cover plate is detachably connected to the shell.
The floating body is arranged into a shell structure to reduce the weight of the floating body, and the floating body is suitable for driving the first filter cylinder and the second filter cylinder to float upwards when the water quantity is large.
Illustratively, the side surface of the shell is a conical structure with the diameter gradually increasing upwards along the axial direction of the drain pipe.
In some embodiments, the float further comprises a weight disposed within the housing.
In one possible implementation mode, an annular soft net is connected to the annular outer peripheral surface of the annular plate, wherein when the annular plate is attached to the roof, the soft net is folded to the periphery of the annular plate; when the annular plate floats upwards along with the second filter cylinder under the driving of the floating body, the soft net is unfolded upwards. And when the soft net is expanded upwards along the axial direction of the first filter cylinder, the soft net is used for intercepting impurities in the water flow outside the soft net and filtering the water flow entering the second filter cylinder.
In some embodiments, a lantern ring is fixed at one end of the soft net far away from the annular plate, and the lantern ring is sleeved outside the annular plate and is fixedly connected to the periphery of the water inlet.
In the embodiment of the utility model, compared with the prior art, the roof drainage valve component provided by the embodiment of the application is provided with the first filter cylinder and the second filter cylinder, can intercept impurities in rainwater, and drains rainwater into a drain pipe after being filtered; and the first filter cylinder arranged in the device is of a conical structure with the diameter gradually reduced downwards along the axial direction of the drain pipe, so that when the first filter cylinder floats upwards along with the second filter cylinder, the opening degree of the drain port can be changed along with the size of the water discharge, and the water discharge is convenient to adjust.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a first schematic structural view of a roof drain valve assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a roof drain valve assembly according to an embodiment of the present invention;
fig. 3 is an enlarged view of a portion of a roof drain valve assembly i shown in fig. 2 according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a hanging hole adopted in the embodiment of the present invention.
In the figure: 1. a first filter cartridge; 11. an annular plate; 12. a first filter eye; 2. a drain pipe; 3. a second filter cartridge; 31. a second filter eye; 32. hanging holes; 4. a float; 41. a housing; 42. a cover plate; 43. a weight block; 5. a roof; 6. a stopper; 61. a fixed seat; 62. a slide bar; 621. hooking; 7. a soft net; 71. and (4) a lantern ring.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 3, a roof drain valve assembly according to the present invention will now be described. The roof drain valve assembly comprises a first filter cartridge 1, a second filter cartridge 3 and a float 4; the first filter cylinder 1 extends into the drain pipe 2 and is of a conical structure with the diameter gradually reduced along the axial direction of the drain pipe 2, an annular plate 11 which is overlapped on the surface of the roof 5 is fixed at the top of the first filter cylinder 1, and the annular plate 11 is arranged around the water inlet of the drain pipe 2; the second filter cylinder 3 is arranged on the roof 5 along the axial direction of the first filter cylinder 1, the bottom surface of the second filter cylinder is detachably connected with the top surface of the annular plate 11, and the second filter cylinder 3 is in a conical structure with the diameter gradually reduced upwards along the axial direction of the first filter cylinder 1 and is suitable for water flow to flow into the first filter cylinder 1 from the conical wall of the second filter cylinder 3; the bottom surface of the floating body 4 is a flat plate surface which is vertical to the axial direction of the second filter cylinder 3, and the floating body 4 is fixedly connected to one end of the second filter cylinder 3 which is far away from the first filter cylinder 1 and is suitable for driving the second filter cylinder 3 and the first filter cylinder 1 to float under the action of buoyancy.
Compared with the prior art, the roof drainage valve assembly provided by the embodiment of the application is provided with the first filter cylinder 1 and the second filter cylinder 3, so that impurities in rainwater can be intercepted, the rainwater is filtered and then drained into the drainage pipe 2, the device is also provided with the floating body 4, the second filter cylinder 3 is suitable for being blocked when the second filter cylinder 3 arranged on the roof 5 is blocked, and when the drainage quantity is accumulated and increased, the second filter cylinder 3 is driven to float upwards, so that the drainage outlet is opened, water flows into the drainage pipe 2 from the position between the drainage outlet and the first filter cylinder 1, the drainage efficiency is improved, and the phenomenon that the rainwater is accumulated and cannot be drained is avoided; and the first filter cylinder 1 arranged in the device is of a conical structure with the diameter gradually reduced along the axial direction and the downward direction of the drain pipe 2, so that when the first filter cylinder 1 floats along with the second filter cylinder 3, the opening degree of the drain port can be adjusted along with the size of the water discharge, and the water discharge is more convenient to adjust. The device can keep the drain pipe 2 smooth all the time, has high drainage efficiency, automatically adjusts the opening degree of the drain port, adapts to different water displacement and is convenient to adjust the water displacement.
In addition, the annular plate 11 used in the present application may be a filter plate connecting the first filter cartridge 1 and the second filter cartridge 3, and a filter mesh is provided on the filter plate at a position corresponding to the drain port, so that the water flowing down from the second filter cartridge 3 flows from the filter mesh to the first filter cartridge 1 while intercepting impurities on the upper surface of the filter plate.
It should be noted that the annular plate 11 is detachable from the first filter cartridge 1 and the second filter cartridge 3, so as to allow the first filter cartridge 1 and the second filter cartridge 3 to be detached for cleaning. To accomplish this removable attachment, first cartridge 1 can be secured to the bottom surface of annular plate 11 and second cartridge 3 can be secured to the top surface of annular plate 11 by a thin wire or bolt retainer. Preferably, when the first filter cartridge 1 or the second filter cartridge 3 is installed, the first filter cartridge 1 and the second filter cartridge 3 are kept coaxially arranged, specifically, annular blocks may be respectively arranged on the top surface and the bottom surface of the annular plate 11, and an annular installation groove is formed in the annular block for inserting the first filter cartridge 1 and the second filter cartridge 3 into the annular groove and then fixing the first filter cartridge 1 and the second filter cartridge 3 by using fine iron wires.
In some possible embodiments, please refer to fig. 1, two sets of limiting members 6 are disposed on the second filter cartridge 3, the limiting members 6 are symmetrically fixed on the roof 5 along the axis of the second filter cartridge 3, and the limiting members 6 are slidably connected with the second filter cartridge 3 up and down. Through setting up locating part 6 to make after roof 5 water yield finishes discharging, this first section of thick bamboo 1 can fall back to in drain pipe 2 under the action of gravity, drives the second section of thick bamboo 3 simultaneously and falls on roof 5, when avoiding displacement great, the second section of thick bamboo 3 and the second section of thick bamboo 3 keep away from drain pipe 2 under the water impact.
Illustratively, referring to fig. 2 and 4, the limiting member 6 is a slide bar 62 fixed on the roof 5, the top end of the slide bar 62 vertically passes through the conical wall of the second filter cartridge 3 and extends out of the second filter cartridge 3, and the extending end of the slide bar 62 is provided with a hook 621. In particular, the sliding rod 62 is fixed to the roof 5 by the fixing base 61, it being understood that a mounting hole suitable for mounting the fixing base 61 is provided on the annular plate 11, so as to fix the fixing base 61 to the roof 5 without affecting the floating of the second filter cartridge 3; the conical side surface of the second filter cylinder 3 is further provided with a hanging hole 32, one end of the sliding rod 62 is fixed on the fixed seat 61, and the other end of the sliding rod 62 penetrates through the hanging hole 32, please refer to fig. 3, and the floating second filter cylinder 3 is intercepted by the hook 621, so that the first filter cylinder 1 is prevented from floating too high and being separated from the drain pipe 2 under the impact of water flow, and meanwhile, the first filter cylinder 1 is convenient to fall back to the drain pipe 2 under the action of gravity after the water drainage is finished.
In some embodiments, referring to fig. 1, the axial length of the slide bar 62 along the first cartridge 1 is greater than the axial length of the first cartridge 1, and is suitable for floating the first cartridge 1 until the water outlet can be fully opened, so as to facilitate the water flow to be discharged as quickly as possible when the water discharge is large.
In some possible embodiments, referring to fig. 1 and fig. 2, the first filter holes 12 are spaced apart from each other on the conical wall of the first filter cartridge 1, the second filter holes 31 are spaced apart from each other on the conical wall of the second filter cartridge 3, and the size of the first filter holes 12 is smaller than that of the second filter holes 31, the second filter cartridge 3 performs coarse filtration on impurities in water, and the first filter cartridge 1 performs fine filtration on impurities in water to realize layered filtration on rainwater, so that the rainwater is drained into the drain pipe 2 to obtain clean water, and the drain pipe 2 is prevented from being blocked.
Specifically, referring to fig. 2, the floating body 4 used in the embodiment of the present application includes a housing 41 and a cover plate 42, and the bottom surface of the housing 41 is fixedly connected to the top end of the second filter cartridge 3; the cover plate 42 is detachably attached to the housing 41 and the cover plate 42 completely covers the opening of the housing 41, preventing rain water from entering the housing 41 and affecting the weight of the floating body 4.
By adopting the floating body 4 structure, the floating body 4 is of a structure with a cavity inside, so that the weight of the floating body 4 is reduced, and the floating body is suitable for driving the first filter cylinder 1 and the second filter cylinder 3 to float when the water quantity is large.
It should be noted that, the roof drain valve assembly receives its own gravity and the buoyancy of water, when the water flow is large, the buoyancy of the water flow to the floating body 4 increases, and the floating body 4 drives the first filter cartridge 1 and the second filter cartridge 3 to float up until its own gravity and the buoyancy of water reach equilibrium again.
In some embodiments, referring to fig. 1 or fig. 2, the side of the housing 41 is a tapered structure with a gradually increasing diameter along the axial direction of the water discharge pipe 2, which is suitable for increasing the water discharge volume when the housing 41 is partially submerged in the water flow. According to the calculation formula of the buoyancy, when the liquid density and the gravity acceleration are constant, the buoyancy applied to the floating body 4 is in direct proportion to the volume of the water drained by the floating body 4, i.e., the volume of the drained water, so that the side surface of the shell 41 is arranged to be in a conical structure in the application to increase the volume of the drained water of the floating body 4, and the buoyancy applied to the shell is larger.
Illustratively, the floating body 4 further includes a weight 43 disposed in the housing 41, and a plurality of weights 43 having different weights may be provided, and the weight 43 having a suitable weight is selected to be disposed in the housing 41 for changing the total weight of the roof drain valve assembly according to the estimated amount of water to be drained. To accommodate different water displacement, the weight 43 of the roof drain valve assembly can be changed by adding different weights to allow the roof drain valve assembly to float up at different water levels.
In some possible embodiments, referring to fig. 1 to 3, an annular soft net 7 is connected to the annular outer periphery of the annular plate 11, wherein when the annular plate 11 is attached to the roof 5, the soft net 7 is folded around the annular plate 11; when the annular plate 11 floats up with the second filter cartridge 3 under the drive of the floating body 4, the soft net 7 is unfolded upwards. The soft net 7 is expanded upward in the axial direction of the first filter cartridge 1, and serves to intercept foreign substances in the water flow outside the soft net 7, thereby filtering the water flow entering the second filter cartridge 3.
It should be noted that, when the water discharge is small, the soft net 7 is in a storage state folded at the periphery of the annular plate 11, water flows from the second filter cartridge 3 through the first filter cartridge 1 and enters the water discharge pipe 2, when the second filter cartridge 3 is blocked, water is accumulated on the roof, the water discharge is increased, the first filter cartridge 1 and the second filter cartridge 3 float upward under the drive of the floating body 4, and the soft net 7 is expanded upward along the axial direction of the first filter cartridge 1 and is in an intercepting state for filtering the water flow. In addition, the device can also adjust the size of the water outlet according to the amount of the rainwater in different seasons.
In some embodiments, referring to fig. 1 to fig. 3, a collar 71 is fixed on an end of the soft net 7 away from the annular plate 11, and the collar 71 is sleeved outside the annular plate 11 and is fixedly connected to the periphery of the water inlet of the water drainage pipe 2. Due to the foldability of the soft net 7, it is necessary to fix one end thereof to the roof 5 by providing the collar 71, and it should be noted that the axial length of the soft net 7 along the first filter cartridge 1 is greater than the axial length of the first filter cartridge 1 so that the drain opening has the largest opening to accommodate the larger amount of water to be drained.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A roof drain valve assembly, comprising:
the first filter cylinder extends into the drain pipe and is of a conical structure with the diameter gradually decreasing downwards along the axial direction of the drain pipe, and an annular plate for overlapping on a roof surface is fixed at the top of the first filter cylinder and is arranged around the water inlet of the drain pipe;
the second filter cylinder is arranged on the roof along the axial direction of the first filter cylinder, the bottom surface of the second filter cylinder is detachably connected with the top surface of the annular plate, and the second filter cylinder is in a conical structure with the diameter gradually decreasing upwards along the axial direction of the first filter cylinder and is suitable for water flow to flow into the first filter cylinder from the conical wall of the second filter cylinder; and
the bottom surface of the floating body is a flat plate surface which is vertical to the axial direction of the second filter cylinder, and the floating body is fixedly connected to one end, far away from the first filter cylinder, of the second filter cylinder and is suitable for driving the second filter cylinder and the first filter cylinder to float under the action of buoyancy.
2. The roof drain valve assembly of claim 1, wherein two sets of retaining members are provided on the second filter cartridge, wherein the retaining members are symmetrically fixed to the roof along the axis of the second filter cartridge, and wherein the retaining members are slidably connected to the second filter cartridge up and down.
3. The roof drain valve assembly of claim 2, wherein the retaining member is a slide bar secured to the roof, wherein a top end of the slide bar extends vertically upward through the conical wall of the second cartridge and out of the second cartridge, and wherein a hook is provided at an extended end of the slide bar.
4. The roof drain valve assembly of claim 3, wherein the slide bar has a greater axial length along the first cartridge than the first cartridge.
5. The roof drain valve assembly of claim 1, wherein the first filter cartridge has first filter holes spaced apart on a conical wall thereof, and the second filter cartridge has second filter holes spaced apart on a conical wall thereof, and wherein the first filter holes are smaller in size than the second filter holes.
6. The roof drain valve assembly of claim 1, wherein the float comprises:
the bottom surface of the shell is fixedly connected with the top end of the second filter cylinder;
and the cover plate is detachably connected to the shell.
7. The roof drain valve assembly of claim 6, wherein the side of the housing is tapered with a gradually increasing diameter axially upward along the drain pipe.
8. The roof drain valve assembly of claim 7, wherein the float further comprises a weight disposed within the housing.
9. The roof drain valve assembly of claim 1, wherein an annular soft net is attached to the annular outer peripheral surface of the annular plate, wherein the soft net is folded around the annular plate when the annular plate is fitted to the roof; when the annular plate floats upwards along with the second filter cylinder under the driving of the floating body, the soft net is unfolded upwards.
10. The roof drain valve assembly of claim 9, wherein a collar is fixed to an end of the flexible net remote from the annular plate, and the collar is sleeved outside the annular plate and fixedly connected to the periphery of the water inlet.
CN202121092879.9U 2021-05-20 2021-05-20 Roof drainage valve assembly Expired - Fee Related CN217204952U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121092879.9U CN217204952U (en) 2021-05-20 2021-05-20 Roof drainage valve assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121092879.9U CN217204952U (en) 2021-05-20 2021-05-20 Roof drainage valve assembly

Publications (1)

Publication Number Publication Date
CN217204952U true CN217204952U (en) 2022-08-16

Family

ID=82752172

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121092879.9U Expired - Fee Related CN217204952U (en) 2021-05-20 2021-05-20 Roof drainage valve assembly

Country Status (1)

Country Link
CN (1) CN217204952U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117868401A (en) * 2024-03-13 2024-04-12 山东亿力建设工程有限公司 Cyclone for building drainage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117868401A (en) * 2024-03-13 2024-04-12 山东亿力建设工程有限公司 Cyclone for building drainage
CN117868401B (en) * 2024-03-13 2024-06-07 山东亿力建设工程有限公司 Cyclone for building drainage

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Granted publication date: 20220816