CN218058613U - Prevent aerated conduit of jam - Google Patents
Prevent aerated conduit of jam Download PDFInfo
- Publication number
- CN218058613U CN218058613U CN202222511091.8U CN202222511091U CN218058613U CN 218058613 U CN218058613 U CN 218058613U CN 202222511091 U CN202222511091 U CN 202222511091U CN 218058613 U CN218058613 U CN 218058613U
- Authority
- CN
- China
- Prior art keywords
- pipe
- aerated conduit
- ring
- sleeve
- fixedly connected
- 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
- 238000005273 aeration Methods 0.000 claims abstract description 90
- 238000009434 installation Methods 0.000 claims description 9
- 238000005276 aerator Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 3
- 239000010865 sewage Substances 0.000 abstract description 15
- 238000010030 laminating Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 238000001914 filtration Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
Classifications
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The utility model discloses a prevent aerated conduit of jam, including the bottom tube, the outer fixed surface of bottom tube is connected with the top tube, the inner wall fixedly connected with of top tube keeps off the ring, the inner wall swing joint that keeps off the ring has stifled mouthful stopper, this prevent aerated conduit of jam, aerated conduit in use, when the bottom tube will pass through sewage, start electric telescopic handle, make electric telescopic handle bottom promote the movable sleeve under and move down between aeration pipe and the last aeration pipe, then the stifled mouthful stopper also moves down under the inside connecting rod of movable sleeve, after the upper surface contact of aeration pipe under the aeration plate lower surface in the movable sleeve, just can close electric telescopic handle, at this moment stifled mouthful stopper and fender ring laminating are sealed together with the mouth of pipe, just can not get into aerated conduit when sewage passes through like this, thereby can not use the filter screen to come to prevent blockking up the protection to aerated conduit, can block up the problem behind the aerated conduit after avoiding long-time use, guarantee aerated conduit's normal use.
Description
Technical Field
The utility model relates to an aeration conduit technical field, in particular to prevent aerated conduit of jam.
Background
The aeration pipe is mainly used for oxygenation of urban sewage and organic industrial wastewater treatment systems, has the characteristics of simple structure, high oxygen utilization rate, reliable performance, difficult blockage of air holes, no backflow of sewage, uniform circumferential stress, long service life and the like, and can be widely used in daily life of people along with the attention of people on the environment, the using amount of the aeration pipe is gradually increased.
Through the retrieval, in chinese utility model patent publication No. CN216614344U, an aeration pipeline for sewage treatment is disclosed, through the filter screen, make when needs carry out filtration treatment to the aeration pipeline main part, can be through the spread groove of design, the connecting block, spacing knot carries on spacingly with the convenient firm filter screen of swing arm, so that carry out filtration treatment to the sewage that aeration pipeline inside flows, avoid appearing blockking up, but the filter screen that uses in the above-mentioned patent, the filter screen net mouth is little is blockked up easily, after using for a long time and not clear up still will block up aeration pipeline, lead to the unable normal use of aeration pipeline.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an anti-blocking aeration pipeline, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
the utility model provides a prevent aerated conduit of jam, includes the bottom tube, the outer fixed surface of bottom tube is connected with the top tube, the inner wall fixedly connected with of top tube keeps off the ring, the inner wall swing joint that keeps off the ring has the shutoff stopper, the last fixed surface of shutoff stopper is connected with the connecting rod, the last fixed surface of connecting rod is connected with the breather plate, the outer fixed surface of breather plate is connected with the movable sleeve.
In order to reach the effect that promotes the movable sleeve and remove, conduct the utility model relates to a prevent aerated conduit of jam, the fixed surface of movable sleeve is connected with the installation piece, the last fixed surface of installation piece is connected with electric telescopic handle.
In order to reach the effect of carrying out the joint support to last aeration pipe, conduct the utility model relates to a prevent aeration pipeline of jam, aeration pipe under the outer fixed surface of top tube is connected with, the outer fixed surface of aeration pipe is connected with down the ring cover down, the last fixed surface of ring cover is connected with the bracing piece down, the top swing joint of aeration pipe surface has the movable sleeve down.
In order to reach the fixed effect of going up the aeration pipe position, conduct the utility model relates to a prevent aeration pipeline of jam, the last fixed surface of bracing piece is connected with the ring cover, go up the inner wall fixedly connected with of ring cover and go up the aeration pipe, the bottom swing joint who goes up the aeration pipe surface has the movable sleeve.
In order to reach the effect of fixing the electric telescopic handle top in last ring cover, as the utility model relates to a prevent aerated conduit of jam, the last fixed surface of going up ring cover is connected with solid fixed ring, gu fixed ring's inner wall fixedly connected with electric telescopic handle.
In order to reach the effect that the convenience protected last aeration pipe, conduct the utility model relates to a prevent aeration pipe who blocks up, the outer fixed surface of going up aeration pipe is connected with the rubber sleeve, the surface of rubber sleeve is from a left side to the right fixed cover of the first fixed cover of fixedly connected with and the fixed cover of second in proper order.
In order to reach the effect of conveniently fixing aeration pipeline on wall or support, as the utility model relates to a prevent aeration pipeline of jam, the outer fixed surface of the fixed cover of first fixed cover and second is connected with the mount pad, the mounting hole has been seted up to one side of mount pad.
In order to reach the effect that makes aeration pipeline and its peripheral pipeline can reciprocal anchorage, as the utility model relates to a prevent aeration pipeline of jam, one side fixedly connected with connecting seat of mount pad, one side fixedly connected with pipe box of connecting seat.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. this prevent aerated conduit of jam, through the bottom tube, the top tube, keep off the ring, the stopper of blocking up, the connecting rod, the aeration board, the movable sleeve, installation piece and electric telescopic handle's setting, aerated conduit in use, when the bottom tube will pass through sewage, start electric telescopic handle, make electric telescopic handle bottom promote the movable sleeve downward movement between aeration pipe and the last aeration pipe down, then the stopper of blocking up under the inside connecting rod of movable sleeve also downward movement, after the upper surface contact of aeration pipe under the aeration board lower surface in the movable sleeve and lower aeration pipe, just can close electric telescopic handle, at this moment the stopper is sealed with the mouth of pipe with keeping off the ring laminating together, just can not get into aerated conduit when sewage passes through like this, when not circulating sewage and needing the input air, the same reason, start electric telescopic handle, make the movable sleeve bottom promote the movable sleeve upward movement between aeration pipe and the last aeration pipe, make the stopper of blocking up leave the ring, make the mouth of pipe open, gas just can get into in the bottom tube, thereby can not use the filter screen to protect aerated conduit, can prevent the problem that can block up after avoiding long-time use of aeration, guarantee aerated conduit.
2. This prevent aerated conduit of jam, through the rubber sleeve, first fixed cover, the fixed cover of second, the setting of mount pad and mounting hole, when fixing aerated conduit, earlier overlap the rubber sleeve at the surface of last aeration pipe, then overlap first fixed cover and the fixed cover of second outside the rubber sleeve, then use the bolt to fix first fixed cover and the fixed cover of second together, thereby make the rubber sleeve can protect last aeration pipe, avoid fixed cover to damage aerated conduit, fixed mount pad is sheathe in to first fixed cover and second, there is the mounting hole on the mount pad, thereby can pass through on bolt fastening wall or the support with aerated conduit, prevent that the shake condition from appearing in use in aerated conduit.
Drawings
FIG. 1 is a schematic view of an anti-clogging aeration pipe according to embodiment 1 of the present invention;
FIG. 2 is a schematic cross-sectional view of an anti-clogging aeration pipe in an elevational view according to embodiment 1 of the present invention;
FIG. 3 is a schematic diagram of a right-view cross-sectional structure of an anti-clogging aeration pipe according to embodiment 1 of the present invention;
FIG. 4 is a schematic view of the bottom axial view of the anti-clogging aeration pipe according to embodiment 1 of the present invention;
FIG. 5 is a schematic view of a cross-sectional axial structure of an anti-clogging aeration pipe according to embodiment 1 of the present invention;
fig. 6 is a schematic view of a pipe sleeve structure according to embodiment 2 of the present invention.
In the figure: 1. a bottom tube; 2. feeding a pipe; 3. a baffle ring; 4. plugging the opening; 5. a connecting rod; 6. a breather plate; 7. a movable sleeve; 8. mounting a block; 9. an electric telescopic rod; 10. a lower aeration pipe; 11. a lower ring sleeve; 12. a support bar; 13. an upper ring sleeve; 14. an upper aeration pipe; 15. a fixing ring; 16. a rubber sleeve; 17. a first fixing sleeve; 18. a second fixing sleeve; 19. a mounting seat; 20. mounting holes; 21. a connecting seat; 22. and (4) pipe sleeves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-5, a prevent aerated conduit of jam, including bottom tube 1, the outer fixed surface of bottom tube 1 is connected with top tube 2, and the inner wall fixedly connected with of top tube 2 keeps off ring 3, and the inner wall swing joint that keeps off ring 3 has shutoff stopper 4, and the last fixed surface of shutoff stopper 4 is connected with connecting rod 5, and the last fixed surface of connecting rod 5 is connected with breather plate 6, and the outer fixed surface of breather plate 6 is connected with movable sleeve 7.
When the device is used, through the arrangement of the bottom pipe 1, the upper pipe 2, the baffle ring 3, the plugging plug 4, the connecting rod 5, the vent plate 6, the movable sleeve 7, the mounting block 8 and the electric telescopic rod 9, the upper pipe 2 is fixed on the bottom pipe 1 and communicated with the bottom pipe 1, the baffle ring 3 is fixed in the upper pipe 2, the plugging plug 4 can be matched with the baffle ring 3 to seal the communicated port of the upper pipe 2 and the bottom pipe 1, the plugging plug 4 is connected with the vent plate 6 on the inner wall of the movable sleeve 7 through the connecting rod 5, the vent plate 6 is provided with eight through grooves, the bottom end of the electric telescopic rod 9 is fixed on the mounting block 8 on the outer surface of the movable sleeve 7, meanwhile, the top of the electric telescopic rod 9 is fixed on the upper ring sleeve 13, so that when the aeration pipeline is in use, the electric telescopic rod 9 is started when the bottom pipe 1 passes through sewage, so that the bottom end of the electric telescopic rod 9 pushes the movable sleeve 7 to move downwards between the lower aeration pipe 10 and the upper aeration pipe 14, then the blocking plug 4 under the connecting rod 5 in the movable sleeve 7 also moves downwards, when the lower surface of the aeration plate 6 in the movable sleeve 7 is contacted with the upper surface of the lower aeration pipe 10, the electric telescopic rod 9 can be closed, at the moment, the blocking plug 4 and the baffle ring 3 are jointed together to seal the pipe orifice, so that sewage can not enter the aeration pipeline when passing through, when air needs to be input when sewage is not circulated, similarly, the electric telescopic rod 9 is started, so that the bottom end of the electric telescopic rod 9 pushes the movable sleeve 7 to move upwards between the lower aeration pipe 10 and the upper aeration pipe 14, the blocking plug 4 leaves the baffle ring 3, the pipe orifice is opened, and air can enter the bottom pipe 1, therefore, the anti-blocking protection can be carried out on the aeration pipeline without using a filter screen, the problem that the aeration pipeline can be blocked after long-time use is avoided, and the normal use of the aeration pipeline is ensured.
In this embodiment, the outer surface of the movable sleeve 7 is fixedly connected with an installation block 8, and the upper surface of the installation block 8 is fixedly connected with an electric telescopic rod 9.
When the electric telescopic rod is used specifically, the movable sleeve 7 can be pushed to move up and down through the arrangement of the electric telescopic rod 9.
In this embodiment, a lower aeration pipe 10 is fixedly connected to the outer surface of the upper pipe 2, a lower ring sleeve 11 is fixedly connected to the outer surface of the lower aeration pipe 10, a support rod 12 is fixedly connected to the upper surface of the lower ring sleeve 11, and a movable sleeve 7 is movably connected to the top of the outer surface of the lower aeration pipe 10.
When in specific use, the upper aeration pipe 14 is connected and supported by the arrangement of the lower ring sleeve 11 and the support rod 12.
In this embodiment, the upper surface of the support rod 12 is fixedly connected with an upper ring 13, the inner wall of the upper ring 13 is fixedly connected with an upper aeration pipe 14, and the bottom of the outer surface of the upper aeration pipe 14 is movably connected with a movable sleeve 7.
When the aerator is used specifically, the position of the upper aerator pipe 14 is fixed through the arrangement of the upper ring sleeve 13.
In this embodiment, a fixing ring 15 is fixedly connected to the upper surface of the upper ring sleeve 13, and an electric telescopic rod 9 is fixedly connected to the inner wall of the fixing ring 15.
When the electric telescopic rod is used specifically, the top of the electric telescopic rod 9 is fixed in the upper ring sleeve 13 through the arrangement of the fixing ring 15.
In this embodiment, a rubber sleeve 16 is fixedly connected to an outer surface of the upper aeration pipe 14, and a first fixing sleeve 17 and a second fixing sleeve 18 are fixedly connected to an outer surface of the rubber sleeve 16 from left to right.
When the aerator is used specifically, the upper aerator pipe 14 is protected conveniently by arranging the rubber sleeve 16.
In this embodiment, the outer surfaces of the first and second fixing sleeves 17 and 18 are fixedly connected with a mounting seat 19, and a mounting hole 20 is opened at one side of the mounting seat 19.
When the aeration pipeline fixing device is used specifically, the aeration pipeline is conveniently fixed on a wall or a support through the installation of the installation seat 19.
The working principle is as follows: the upper pipe 2 is fixed on the bottom pipe 1 and communicated with the bottom pipe 1, the baffle ring 3 is fixed in the upper pipe 2, the blocking plug 4 can be matched with the baffle ring 3 to seal the communicated port of the upper pipe 2 and the bottom pipe 1, the blocking plug 4 is connected with the vent plate 6 on the inner wall of the movable sleeve 7 through the connecting rod 5, eight through grooves are arranged on the vent plate 6 and can be used for air to pass through, the bottom end of the electric telescopic rod 9 is fixed on the mounting block 8 on the outer surface of the movable sleeve 7, and the top of the electric telescopic rod 9 is fixed on the upper ring sleeve 13, therefore, when the aeration pipeline is in use, the bottom pipe 1 passes through sewage, the electric telescopic rod 9 is started, the bottom end of the electric telescopic rod 9 pushes the movable sleeve 7 to move downwards between the lower aeration pipe 10 and the upper aeration pipe 14, and then the blocking plug 4 under the connecting rod 5 in the movable sleeve 7 also moves downwards, when the lower surface of the vent plate 6 in the movable sleeve 7 contacts with the upper surface of the lower aeration pipe 10, the electric telescopic rod 9 can be closed, and the blocking plug 4 and the baffle ring 3 are attached together to seal the pipe orifice, so that sewage can not enter the aeration pipeline when passing through, and when the sewage does not circulate and air needs to be input, the electric telescopic rod 9 is started to ensure that the bottom end of the electric telescopic rod 9 pushes the movable sleeve 7 to move upwards between the lower aeration pipe 10 and the upper aeration pipe 14, so that the blocking plug 4 leaves the baffle ring 3 to open the pipe orifice, and air can enter the bottom pipe 1, so that the aeration pipeline can be protected from blockage without using a filter screen, the problem of blockage after long-time use of the aeration pipeline is avoided, and the normal use of the aeration pipeline is ensured; when fixing aeration pipe, earlier 16 covers the surface at last aeration pipe 14 of rubber sleeve, then overlap first fixed cover 17 and the fixed cover 18 of second outside rubber sleeve 16, then use the bolt to fix first fixed cover 17 and the fixed cover 18 of second together, thereby make rubber sleeve 16 can protect last aeration pipe 14, avoid fixed cover to damage aeration pipe, fixed mount pad 19 on first fixed cover 17 and the fixed cover 18 of second, there is mounting hole 20 on the mount pad 19, thereby can pass through the bolt fastening wall or support with aeration pipe, prevent that the shake condition from appearing in aeration pipe in use.
Example 2
As shown in fig. 6, the distinguishing features of this embodiment that distinguish embodiment 1 are: one side of the mounting seat 19 is fixedly connected with a connecting seat 21, and one side of the connecting seat 21 is fixedly connected with a pipe sleeve 22.
When the aerator is used specifically, the aeration pipeline and the peripheral pipelines thereof can be fixed with each other through the arrangement of the pipe sleeve 22.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. An anti-clogging aeration pipeline, comprising a bottom pipe (1), and is characterized in that: the outer fixed surface of bottom tube (1) is connected with top tube (2), the inner wall fixedly connected with of top tube (2) keeps off ring (3), the inner wall swing joint that keeps off ring (3) has choking stopper (4), the last fixed surface of choking stopper (4) is connected with connecting rod (5), the last fixed surface of connecting rod (5) is connected with breather plate (6), the outer fixed surface of breather plate (6) is connected with movable sleeve (7).
2. An anti-clogging aerated conduit according to claim 1, wherein: the outer fixed surface of movable sleeve (7) is connected with installation piece (8), the last fixed surface of installation piece (8) is connected with electric telescopic handle (9).
3. An anti-clogging aerated conduit according to claim 1, wherein: the outer surface of the upper pipe (2) is fixedly connected with a lower aeration pipe (10), the outer surface of the lower aeration pipe (10) is fixedly connected with a lower ring sleeve (11), the upper surface of the lower ring sleeve (11) is fixedly connected with a supporting rod (12), and the top of the outer surface of the lower aeration pipe (10) is movably connected with a movable sleeve (7).
4. A blockage-preventing aerated conduit as defined in claim 3 wherein: the upper surface of the supporting rod (12) is fixedly connected with an upper ring sleeve (13), the inner wall of the upper ring sleeve (13) is fixedly connected with an upper aeration pipe (14), and the bottom of the outer surface of the upper aeration pipe (14) is movably connected with a movable sleeve (7).
5. An anti-clogging aerated conduit according to claim 4 wherein: go up the upper surface fixed connection of ring cover (13) and have solid fixed ring (15), the inner wall fixed connection of solid fixed ring (15) has electric telescopic handle (9).
6. An anti-clogging aerated conduit according to claim 4, wherein: the outer surface of the upper aerator pipe (14) is fixedly connected with a rubber sleeve (16), and the outer surface of the rubber sleeve (16) is sequentially and fixedly connected with a first fixing sleeve (17) and a second fixing sleeve (18) from left to right.
7. An anti-clogging aerated conduit according to claim 6, wherein: the outer surface of the first fixing sleeve (17) and the outer surface of the second fixing sleeve (18) are fixedly connected with a mounting seat (19), and a mounting hole (20) is formed in one side of the mounting seat (19).
8. An anti-clogging aerated conduit according to claim 7 wherein: one side of the mounting seat (19) is fixedly connected with a connecting seat (21), and one side of the connecting seat (21) is fixedly connected with a pipe sleeve (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222511091.8U CN218058613U (en) | 2022-09-22 | 2022-09-22 | Prevent aerated conduit of jam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222511091.8U CN218058613U (en) | 2022-09-22 | 2022-09-22 | Prevent aerated conduit of jam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218058613U true CN218058613U (en) | 2022-12-16 |
Family
ID=84410505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222511091.8U Expired - Fee Related CN218058613U (en) | 2022-09-22 | 2022-09-22 | Prevent aerated conduit of jam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218058613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115738736A (en) * | 2022-12-23 | 2023-03-07 | 浙江荣凯科技发展股份有限公司 | Aeration device for ceramic flat membrane ultrafiltration device |
-
2022
- 2022-09-22 CN CN202222511091.8U patent/CN218058613U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115738736A (en) * | 2022-12-23 | 2023-03-07 | 浙江荣凯科技发展股份有限公司 | Aeration device for ceramic flat membrane ultrafiltration device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218058613U (en) | Prevent aerated conduit of jam | |
| CN206593279U (en) | A kind of computer room air intake dust guard | |
| CN201459851U (en) | Novel drain pipe filter screen | |
| CN115487457A (en) | Fire hydrant water drain outlet anti-blocking device and method | |
| CN210394086U (en) | Novel integrated sewage treatment device | |
| CN212294908U (en) | Overflow device for isolating air | |
| CN201045205Y (en) | Non-return valve preventing sewage water from refluxing | |
| CN218294569U (en) | Check valve of smoke exhaust pipeline | |
| CN208685764U (en) | Drain structure device | |
| CN202198451U (en) | Automatic waste water discharging device for water dispenser | |
| CN201526773U (en) | Dustproof inner plug with flexible plastic water supply and drainage pipe | |
| CN212988928U (en) | Fattening pig urine sampling device | |
| CN212532498U (en) | PVDF modified organic membrane sewage filtering treatment device | |
| CN217901304U (en) | River course is sampling device for sewage treatment | |
| CN215995861U (en) | River course is administered and is used blue alga cleaning device with filtration | |
| CN213114757U (en) | Silt cleaning device for river sewage treatment | |
| CN210030164U (en) | Septic tank adopting concave-convex sealing groove design | |
| CN216717510U (en) | Industrial circulating water is with flowmeter that has purification performance | |
| CN217242051U (en) | Drinking bowl for live pig | |
| CN213012515U (en) | Device for additionally installing exhaust valve on exhaust pipe of household toilet septic tank | |
| CN211158967U (en) | Building ventilation structure | |
| CN212017240U (en) | Multifunctional air purifying device | |
| CN213387997U (en) | Adjustable microporous aerator | |
| CN201280749Y (en) | Straight-through type drainer | |
| CN214100057U (en) | Combined hub for communication network |
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: 20221216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |