CN212971061U - Prevent gardens of jam and spray delivery pipe - Google Patents
Prevent gardens of jam and spray delivery pipe Download PDFInfo
- Publication number
- CN212971061U CN212971061U CN202021348176.3U CN202021348176U CN212971061U CN 212971061 U CN212971061 U CN 212971061U CN 202021348176 U CN202021348176 U CN 202021348176U CN 212971061 U CN212971061 U CN 212971061U
- Authority
- CN
- China
- Prior art keywords
- water
- opening
- delivery pipe
- supply pipe
- water supply
- 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
- 239000007921 spray Substances 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 157
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 11
- 239000010865 sewage Substances 0.000 claims description 8
- 239000010963 304 stainless steel Substances 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 14
- 241000883990 Flabellum Species 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 7
- 238000001914 filtration Methods 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Landscapes
- Water Treatment By Sorption (AREA)
Abstract
The utility model discloses a prevent gardens of jam and spray delivery pipe belongs to the garden technology field, including delivery pipe and drain, the lower extreme bottom opening part of delivery pipe is provided with the drain, and the inner wall of delivery pipe closely laminates and is provided with the anticorrosive coating, and one end one side opening part embedding of delivery pipe is provided with the joint groove, and the one end top opening part embedding of delivery pipe is provided with sealed cushion, and bolt fixedly connected with blowoff valve is passed through to the lower extreme bottom of drain. The utility model discloses when supplying water to the delivery pipe is inside, exert pressure to the inside of delivery pipe through external water pump, at this moment through driven flabellum by water pressure drive, rotate, and at this moment drive the spiral ripple strip and rotate, drive silt or impurity transmission to drain outlet department and get rid of to the current problem that sprays silt and impurity in the delivery pipe can not effectually clear away the pipeline has been solved.
Description
Technical Field
The utility model belongs to the technical field of the gardens, specifically be a prevent gardens of jam and spray delivery pipe.
Background
Garden water pipes are water supply pipes, modern decoration water pipes are constructed in a wall-buried mode, the water pipes are classified into three types, and the first type is metal pipes, such as hot-dip cast iron pipes with inner enamel plastics, copper pipes, stainless steel pipes and the like. The second type is plastic-clad metal pipes, such as plastic-clad steel pipes, aluminum-plastic composite pipes and the like. The third type is that plastic pipes such as PB and PP-R are used as water pipes, a large amount of rust scale is generated in the pipes after the plastic pipes are used for several years, the flowing yellow water not only pollutes sanitary wares, but also is mixed with bacteria which do not smooth the inner wall to breed, and the rust causes the heavy metal content in the water to be too high, thus seriously harming the health of human bodies.
But the current delivery pipe that sprays can not effectual silt and the impurity of cleaing away in the pipeline, and can not be quick effectual when inside original paper blocks up change inside original paper, and when filtration system can't use, convenient not enough when dismantling.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve present delivery pipe that sprays can not effectually clear away silt and impurity in the pipeline, and can not be when inside original paper blocks up quick effectual inside original paper of changing, and filtration system when unable using, convenient problem inadequately when dismantling provides a prevent that gardens of jam spray the delivery pipe.
The utility model adopts the technical scheme as follows: an anti-blocking garden spraying water supply pipe comprises a water supply pipe and a drain outlet, wherein the drain outlet is formed in an opening at the bottom of the lower end of the water supply pipe, an anti-corrosion layer is tightly attached to the inner wall of the water supply pipe, a clamping groove is embedded in an opening at one side of one end of the water supply pipe, a sealing rubber pad is embedded in an opening above one end of the water supply pipe, and the bottom of the lower end of the drain outlet is fixedly connected with a drain valve through a bolt;
the water supply pipe is characterized in that a spiral corrugated strip is rotatably connected inside the water supply pipe through a support, a clamping block is connected outside the clamping groove, a filter screen is embedded in one side of the clamping block, a driven fan blade is rotatably connected at the hollow shaft joint inside the clamping block through a connecting frame, a connecting convex groove is arranged at one end of the clamping block, a first water through opening is connected outside the clamping block in a through manner, a bent pipe is embedded inside the first water through opening, a connecting groove is embedded in an opening at one side of the first water through opening, a connecting pipe orifice is embedded in an opening at the upper end of the first water through opening, a second water through opening is arranged in the middle of the inside of the first water through opening, and a water purifier is embedded in the top of the upper end of the;
the water purifier includes thread groove, water inlet, retaining cavity, crosses filter core and active carbon filter layer, upper end one side threaded connection of water purifier has the thread groove, middle part one side of water purifier is provided with the water inlet, the inside of water purifier is provided with the retaining cavity, the embedding of inside lower extreme bottom one side of retaining cavity is provided with the filter core, the inside embedding of water purifier is provided with the active carbon filter layer.
Wherein, the spiral corrugated strip is connected with the shaft joint of the passive fan blade, and the spiral corrugated strip is made of 304 stainless steel material.
The connecting groove and the connecting convex groove are in mutual sealing fit, the thread groove is connected with the top cover through threads, the top cover is in contact with the upper portion of the filter element when being sealed, and the bottom of the filter element is in sealing connection with the second water through opening.
The water purifier is characterized in that a threaded groove, a water inlet, a water storage cavity, a filter core and an activated carbon filter layer are arranged in the water purifier in a matched mode, and the bottom opening of the water purifier and the second water through opening are communicated with each other.
Wherein, the inner wall of delivery pipe closely laminates and is provided with a high density polyethylene layer anticorrosive coating.
The water supply pipe and the clamping block are communicated with the elbow pipe and the water purifier and the connecting pipe orifice.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, when supplying water to delivery pipe inside, exert pressure to the inside of delivery pipe through external water pump, at this moment through driven flabellum by water pressure drive, rotate, and at this moment drive the spiral ripple strip and rotate, drive silt or impurity transmission and get rid of to drain outlet department to the problem of current silt and impurity that the delivery pipe that sprays can not effectually clear away in the pipeline is solved
2. The utility model discloses in, when the inside spiral ripple strip of water supply pipe when unable use, through connecting groove and the sealed agreeing with each other between the tongue, can effectually dismantle the delivery pipe, then change spiral ripple strip to solve current spray delivery pipe and can not be quick effectual when inside original paper blocks up the problem of changing inside original paper.
3. The utility model discloses in, when filtering the inside water source of water supply pipe, the spiral ripple strip through one end mutually supports with passive flabellum, get rid of some silt and impurity earlier, then supporting filter core and the filter screen of crossing that sets up in the rethread water purifier, at this moment the delivery port of rethread water purifier one end supplies water, and when the water purifier can't use, can be effectively timely dismantle the change through the thread groove on the water purifier, thereby solved current delivery pipe that sprays when filtration system can't use, convenient and problem inadequately when dismantling.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a partial structure of the present invention;
fig. 3 is a schematic diagram of a local structure in the present invention.
The labels in the figure are: 1. a water supply pipe; 101. an anticorrosive layer; 102. sealing the rubber gasket; 103. a clamping groove; 2. a sewage draining outlet; 201. a blowoff valve; 3. helical corrugated strips; 4. a clamping block; 401. a filter screen; 402. a passive fan blade; 403. connecting the convex grooves; 5. a first water passage port; 501. bending the pipe; 502. a connecting groove; 503. connecting the pipe orifices; 504. a second water vent; 6. a water purifier; 601. a thread groove; 602. a water inlet; 603. a water storage cavity; 604. a filter element; 605. an active carbon filter layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model relates to an anticorrosive coating 101, a bolt corrugated strip 3 and a filter screen; 401. the passive fan blades 402 may be available in the market or in private order.
The utility model discloses in:
referring to fig. 1-3, an anti-clogging garden spraying water supply pipe comprises a water supply pipe 1 and a sewage outlet 2, wherein the sewage outlet 2 is arranged at an opening at the bottom of the lower end of the water supply pipe 1, an anti-corrosion layer 101 is closely attached to the inner wall of the water supply pipe 1, a clamping groove 103 is embedded at an opening at one side of one end of the water supply pipe 1, a sealing rubber pad 102 is embedded at an opening above one end of the water supply pipe 1, and a sewage valve 201 is fixedly connected to the bottom of the lower end of the sewage;
the interior of the water supply pipe 1 is rotatably connected with a spiral corrugated strip 3 through a support, the exterior of a clamping groove 103 is connected with a clamping block 4, one side of the clamping block 4 is embedded with a filter screen 401, the hollow shaft joint inside the clamping block 4 is rotatably connected with a driven fan blade 402 through a connecting frame, one end of the clamping block 4 is provided with a connecting convex groove 403, the exterior of the clamping block 4 is connected with a first water through opening 5 in a through mode, a bent pipe 501 is embedded inside the first water through opening 5, a connecting groove 502 is embedded at the opening on one side of the first water through opening 5, a connecting pipe orifice 503 is embedded at the opening on the upper end of the first water through opening 5, the middle part inside the first water through opening 5 is provided with a second water through opening 504, and a water purifier 6 is embedded;
the water purifier 6 comprises a thread groove 601, a water inlet 602, a water storage cavity 603, a filter core 604 and an activated carbon filter layer 605, wherein the thread groove 601 is connected to one side of the upper end of the water purifier 6 in a thread mode, the water inlet 602 is arranged on one side of the middle of the water purifier 6, the water storage cavity 603 is arranged in the water purifier 6, the filter core 604 is arranged on one side of the bottom of the lower end in the water storage cavity 603 in an embedded mode, and the activated carbon filter layer 605 is arranged in the water purifier.
Refer to fig. 1, 2, it is further, interconnect between the coupling department of spiral ripple strip 3 and passive flabellum 402, and spiral ripple strip 3 is 304 stainless steel material, when supplying water to supply pipe 1 inside, exert pressure to the inside of the water inlet 602 of water purifier 6 one side through external water pump, at this moment, be driven by water pressure through passive flabellum 402, rotate, and at this moment passive flabellum 402 drives spiral ripple strip 3 and rotates, drive silt or impurity transmission to drain 2 departments of drain and get rid of, thereby solved current problem that sprays silt and impurity in the supply pipe can not effectually clear away the pipeline.
Referring to fig. 1 and 2, further, mutual sealing agrees with between connection groove 502 and the connection tongue 403, and thread groove 601 has the top cap through threaded connection, and the top cap is when sealing up, contact between top cap and the filter core 604 top, sealing connection between filter core 604 bottom and the second breather mouth 504, when the inside spiral ripple strip 3 of delivery pipe 1 when unable to use, agree with through mutual sealing between connection groove 502 and the connection tongue 403, can effectually dismantle delivery pipe 1, then change spiral ripple strip 3, thereby the problem of the inside original paper of quick effectual change when having solved current spray delivery pipe can not block up in inside original paper has been solved.
Referring to fig. 1, 3, it is further, the supporting thread groove 601 that is provided with in inside of water purifier 6, water inlet 602, retaining cavity 603, filter core 604 and active carbon filter layer 605, link up between water inlet 602 and the nozzle 503, when filtering the inside water source of delivery pipe 1, spiral ripple strip 3 through one end mutually supports with passive flabellum 402, get rid of some silt and impurity earlier, then supporting filter core and the filter screen that sets up in rethread water purifier 6, at this moment, the delivery port of 6 one ends of rethread water purifier supplies water, and when water purifier 6 is unable to use, make the top cap can be effectively timely dismantlement change through thread groove 601 on the water purifier 6, thereby solved current delivery pipe that sprays when filtration system is unable to use, convenient problem inadequately when dismantling.
Referring to fig. 1 and 2, further, the inner wall of the water supply pipe 1 is closely attached with a high-density polyethylene anticorrosive layer 101, and the anticorrosive layer 101 can effectively prevent some special impurities in the water supply pipe 1 from scratching and damaging the inside of the water supply pipe 1, thereby preventing corrosion.
Referring to fig. 1-3, further, the water supply pipe 1 and the clamping block 4 are communicated with the elbow pipe 501 and the water purifier 6 is communicated with the connecting pipe opening 503, and water sources without sludge and impurities can be effectively provided for the garden water supply pipe through the mutual communication between the water supply pipe 1 and the clamping block 4 and the elbow pipe 501 and the water purifier 6 is communicated with the connecting pipe opening 503.
The working principle is as follows: firstly, water enters the water storage cavity 603 from the connecting pipe opening 503 and the water inlet 602, the filter core 604 and the activated carbon filter layer 605 filter the inlet water, the filtered water enters the first water passage 5 through the second water passage 504, then the water is secondarily filtered through the filter screen 401, at this time, the passive fan blade 402 at one end is matched with the spiral corrugated strip 3, when the spiral corrugated strip 3 rotates, silt and impurities can be driven to the sewage discharge port 2 to be discharged, and when the water purifier 6 is not used after long-time use, the water purifier 6 can be effectively and timely detached and replaced through the thread groove on the water purifier 6, next, when the water is supplied to the inside of the water supply pipe 1, the inside of the water inlet 602 at one side of the water purifier 6 is pressurized through the external water pump, at this time, the passive fan blade 402 is driven by water pressure to rotate, and at this moment, passive flabellum 402 drives spiral ripple strip 3 and rotates, drives silt or impurity transmission to drain 2 departments, and at last, when inside spiral ripple strip 3 of delivery pipe 1 is when unable using, through connecting sealed agreeing with each other between recess 502 and the connection tongue 403, can effectually dismantle delivery pipe 1, then pull out spiral ripple strip 3 to change spiral ripple strip 3.
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 (6)
1. The utility model provides a prevent gardens of jam and spray delivery pipe, includes delivery pipe (1) and drain (2), the lower extreme bottom opening part of delivery pipe (1) is provided with drain (2), its characterized in that: an anticorrosive layer (101) is tightly attached to the inner wall of the water supply pipe (1), a clamping groove (103) is embedded into an opening at one side of one end of the water supply pipe (1), a sealing rubber gasket (102) is embedded into an opening above one end of the water supply pipe (1), and the bottom of the lower end of the sewage draining outlet (2) is fixedly connected with a sewage draining valve (201) through a bolt;
the water supply pipe is characterized in that the interior of the water supply pipe (1) is rotatably connected with a spiral corrugated strip (3) through a support, the exterior of a clamping groove (103) is connected with a clamping block (4), one side of the clamping block (4) is embedded with a filter screen (401), the interior hollow shaft joint of the clamping block (4) is rotatably connected with a driven fan blade (402) through a connecting frame, one end of the clamping block (4) is provided with a connecting convex groove (403), the exterior of the clamping block (4) is connected with a first water through opening (5) in a through mode, the interior of the first water through opening (5) is embedded with a bent pipe (501), one side opening of the first water through opening (5) is embedded with a connecting groove (502), the upper end opening of the first water through opening (5) is embedded with a connecting pipe orifice (503), the middle portion of the interior of the first water through opening (5) is, a water purifier (6) is embedded into the top of the upper end of the first water through opening (5);
the water purifier (6) comprises a thread groove (601), a water inlet (602), a water storage cavity (603), a filter core (604) and an activated carbon filter layer (605), wherein the thread groove (601) is connected to one side of the upper end of the water purifier (6), the water inlet (602) is arranged on one side of the middle part of the water purifier (6), the water storage cavity (603) is arranged in the water purifier (6), the filter core (604) is embedded into one side of the bottom of the lower end of the water storage cavity (603), and the activated carbon filter layer (605) is arranged in the water purifier (6).
2. An anti-clogging garden spray water supply pipe as defined in claim 1, wherein: the spiral corrugated strip (3) is connected with the shaft joint of the passive fan blade (402), and the spiral corrugated strip (3) is made of 304 stainless steel materials.
3. An anti-clogging garden spray water supply pipe as defined in claim 1, wherein: the connecting groove (502) and the connecting convex groove (403) are mutually sealed and matched, the thread groove (601) is connected with a top cover through threads, the top cover is in contact with the upper part of the filter core (604) when the top cover is sealed, and the bottom of the filter core (604) is in sealing connection with the second water through opening (504).
4. An anti-clogging garden spray water supply pipe as defined in claim 1, wherein: the water purifier (6) is internally provided with a thread groove (601), a water inlet (602), a water storage cavity (603), a filter core (604) and an activated carbon filter layer (605) in a matching way, and the water inlet (602) is communicated with the connecting pipe orifice (503).
5. An anti-clogging garden spray water supply pipe as defined in claim 1, wherein: the inner wall of the water supply pipe (1) is tightly attached with a high-density polyethylene layer anticorrosive layer (101).
6. An anti-clogging garden spray water supply pipe as defined in claim 1, wherein: the water supply pipe (1) and the clamping block (4) are communicated with the elbow pipe (501) and the water purifier (6) and the connecting pipe orifice (503).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021348176.3U CN212971061U (en) | 2020-07-10 | 2020-07-10 | Prevent gardens of jam and spray delivery pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021348176.3U CN212971061U (en) | 2020-07-10 | 2020-07-10 | Prevent gardens of jam and spray delivery pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
CN212971061U true CN212971061U (en) | 2021-04-16 |
Family
ID=75428595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202021348176.3U Expired - Fee Related CN212971061U (en) | 2020-07-10 | 2020-07-10 | Prevent gardens of jam and spray delivery pipe |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN212971061U (en) |
-
2020
- 2020-07-10 CN CN202021348176.3U patent/CN212971061U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204456269U (en) | A kind of energy saving water supply with warning function is without negative pressure line | |
CN212971061U (en) | Prevent gardens of jam and spray delivery pipe | |
CN209085431U (en) | A kind of heat exchange can washing apparatus easy to use | |
CN207259295U (en) | Residential building sub-prime water system | |
CN206452917U (en) | A kind of wheat planting irrigation rig | |
CN215828445U (en) | Dull and stereotyped filtration membrane module of MBR with limit structure | |
CN104594441B (en) | A kind of energy saving water supply is without negative pressure line | |
CN216038834U (en) | Micropore aeration device | |
CN210078873U (en) | Double-effect concentrator with online heater flushing device | |
CN208186795U (en) | A kind of filter screen type water tray of central air-conditioner | |
CN201506997U (en) | Water storage pressurizing system and vertical pressure type water tank used in system | |
CN201506996U (en) | Water storage pressurizing system and horizontal pressure type water tank used in system | |
CN219159198U (en) | Chemical pump for chemical production | |
CN206563515U (en) | A kind of heat recovery plate being used in bathroom | |
CN209368080U (en) | A kind of Domestic sewage purifier | |
CN219863060U (en) | Box secondary water supply equipment | |
CN218328605U (en) | 10 ten thousand grades of purification workshop breather | |
CN214628760U (en) | Energy-concerving and environment-protective gardens irrigation equipment | |
CN209872705U (en) | High Density Polyethylene (HDPE) material integration sewage treatment device | |
CN214813327U (en) | Acid atomization cleaning fluid system for aeration tank micro-bubble ventilation equipment | |
CN210365225U (en) | Chemical industry piggy bank convenient to clearance | |
CN220939387U (en) | Self-cleaning commercial water purification equipment | |
CN215301772U (en) | Green building wall with green structure of irrigating of planting | |
CN220879837U (en) | Self-cleaning and sterilizing device for pure water pipe network | |
CN211462520U (en) | Novel intelligent spraying device for bus shelter |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210416 |