CN210920965U - High-efficient drainage device of compressed air pipeline - Google Patents

High-efficient drainage device of compressed air pipeline Download PDF

Info

Publication number
CN210920965U
CN210920965U CN201921915462.0U CN201921915462U CN210920965U CN 210920965 U CN210920965 U CN 210920965U CN 201921915462 U CN201921915462 U CN 201921915462U CN 210920965 U CN210920965 U CN 210920965U
Authority
CN
China
Prior art keywords
pipe
storage tank
water storage
fixed
water
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
CN201921915462.0U
Other languages
Chinese (zh)
Inventor
周朝宣
凌雄
王金东
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.)
Shenzhen Yongjie Mechanical And Electrical Engineering Technology Co ltd
Original Assignee
Shenzhen Yongjie Mechanical And Electrical Engineering Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Yongjie Mechanical And Electrical Engineering Technology Co ltd filed Critical Shenzhen Yongjie Mechanical And Electrical Engineering Technology Co ltd
Priority to CN201921915462.0U priority Critical patent/CN210920965U/en
Application granted granted Critical
Publication of CN210920965U publication Critical patent/CN210920965U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Filtration Of Liquid (AREA)

Abstract

The utility model discloses a high-efficient drainage device of compressed air pipeline, including casing, support column, first storage water tank, two-position three way solenoid valve and filtration, the turning position department of casing bottom all is fixed with the support column, and is fixed with first storage water tank and second storage water tank on two inside walls of casing respectively to the bottom of first storage water tank and second storage water tank is fixed with first drain pipe and second drain pipe respectively, the inside of first drain pipe installs manual valve of second and first solenoid valve in proper order, and installs manual valve of third and second solenoid valve in proper order inside the second drain pipe of first drain pipe one side, the top of casing is provided with two-position three way solenoid valve, and two-position three way solenoid valve's both ends are fixed with first aqueduct and second aqueduct respectively. The utility model discloses not only realized the filtering capability of aquatic impurity, improved the convenience of incrustation scale clearance, to drainage equipment drainage efficiency's influence when having reduced the solenoid valve trouble moreover.

Description

High-efficient drainage device of compressed air pipeline
Technical Field
The utility model relates to a compressed air drainage technology field specifically is high-efficient drainage equipment of compressed air pipeline.
Background
In industrial application, because moisture widely exists in ambient air, compressed air always contains certain moisture, condensed water is separated out from a pipeline along with the change of temperature and pressure, if water cannot be drained in time, a pneumatic control element, related instruments and meters and the like of terminal equipment are easily damaged, the failure rate and the maintenance cost of the equipment are increased, the production efficiency and the stability of product quality are reduced, and serious economic loss is caused.
The existing drainage equipment on the market has various types, can basically meet the use requirements of people, but still has certain defects, and has the following specific problems.
(1) When the existing drainage equipment is used, impurities in water are difficult to filter, so that the lower end pipeline is easy to block;
(2) the existing drainage equipment has the problems that a certain amount of water scale is easy to remain in the water storage tank after long-term use, and the water storage tank is relatively complicated in replacement step and relatively high in cost, so that an improved space exists;
(3) when the existing drainage equipment is used, the situation that the drainage work is influenced due to the failure of the electromagnetic valve easily occurs, and the drainage work needs to be suspended during maintenance, so that the drainage efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-efficient drainage device of compressed air pipeline to it is difficult to filter the impurity of aquatic to provide drainage device when using in solving above-mentioned background art, the inconvenient problem that influences drainage efficiency with the solenoid valve trouble of incrustation scale clearance.
In order to achieve the above object, the utility model provides a following technical scheme: the compressed air pipeline efficient drainage device comprises a shell, a support column, a first water storage tank, a two-position three-way electromagnetic valve and a filtering structure, wherein the support column is fixed at the corner position of the bottom end of the shell, the first water storage tank and a second water storage tank are respectively fixed on the two inner side walls of the shell, a first drainage pipe and a second drainage pipe are respectively fixed at the bottom ends of the first water storage tank and the second water storage tank, a second manual valve and a first electromagnetic valve are sequentially installed inside the first drainage pipe, a third manual valve and a second electromagnetic valve are sequentially installed inside the second drainage pipe on one side of the first drainage pipe, the two-position three-way electromagnetic valve is arranged at the top of the shell, a first water guide pipe and a second water guide pipe are respectively fixed at the two ends of the two-position three-way electromagnetic valve, the bottom end of the first water guide pipe is communicated with the first, the top parts of the first water storage tank and the second water storage tank are both fixed with liquid level switches, one side of the top ends of the first water storage tank and the second water storage tank is both fixed with a storage tank, a compressed air pipe body is arranged above the shell, a connecting pipe is fixed at the bottom end of the compressed air pipe body, a filter pipe is sleeved at the bottom of the connecting pipe, a filter structure is arranged inside the filter pipe, a drainage pipe is arranged at the bottom end of the filter pipe, the bottom end of the drainage pipe extends into the shell and is communicated with a two-position three-way electromagnetic valve, a spiral groove is arranged on the inner wall of the top part of the filter pipe, thread teeth are fixed on the outer wall of the connecting pipe at the position of the spiral groove and are in threaded connection with the spiral groove, a control panel is fixed on the outer wall of one side of the shell, and the output end inside the control panel is, the input end of the singlechip in the control panel is electrically connected with the output end of the liquid level switch.
Preferably, a communicating pipe is arranged inside the shell on one side of the first water storage tank, one end of the communicating pipe is communicated with the first water storage tank, the other end of the communicating pipe is communicated with the second water storage tank, and a first manual valve is arranged inside the communicating pipe.
Preferably, one side of the bottom of the storage box is provided with a second through hole, the tops of the first water storage tank and the second water storage tank at the position of the second through hole are both provided with a first through hole, and the first through hole is communicated with the second through hole.
Preferably, the inside of storage box is provided with the actuating lever, and the bottom mounting of actuating lever has the actuating lever, and the sealing plug extends to the inside of second through-hole to the top of actuating lever extends to the outside of storage box and the cover is equipped with connecting spring, connecting spring's bottom and storage box fixed connection.
Preferably, the inside of filtration has set gradually filter screen, installation piece, recess, extrusion spring and extrusion piece, and the inside of storage box is provided with the filter screen, and all is provided with the recess on the storage box inner wall of filter screen both sides.
Preferably, all be fixed with equidistant extrusion spring on the inner wall of recess one side, and the one end of extrusion spring is fixed with the extrusion piece, and one side of extrusion piece is provided with the installation piece, the one end and the storage box fixed connection of installation piece.
Compared with the prior art, the beneficial effects of the utility model are that: the compressed air pipeline efficient drainage device not only realizes the filtering function of impurities in water, improves the convenience of scale cleaning, but also reduces the influence on the drainage efficiency of the drainage device when the electromagnetic valve fails;
(1) the filter screen in the filter pipe effectively filters impurities in water by arranging the filter screen, the mounting block, the groove, the extrusion spring and the extrusion block, the filter pipe is rotated to be separated from the connecting pipe through the spiral groove and the thread teeth, the filter screen is pushed to enable the mounting block at one side of the filter pipe to extrude the extrusion block, and the filter screen can be detached and cleaned or replaced, so that the filtering function of the impurities in water is realized;
(2) the descaling agent is placed in the storage box through the storage box, the first through hole, the second through hole, the sealing plug, the driving rod and the connecting spring, the driving rod is pulled to drive the sealing plug to be separated from the second through hole, so that the descaling agent sequentially passes through the second through hole and the first through hole to enter the first water storage tank and the second water storage tank, the descaling work can be finished without replacing the first water storage tank and the second water storage tank, and the convenience of descaling water is improved;
(3) through being provided with communicating pipe, first manual valve, the manual valve of second and the manual valve of third, manual valve of second or the manual valve of third is closed and first manual valve is opened to the manual valve of manual for the water passes through the inside of communicating pipe arrival first storage water tank or second storage water tank, and maintenance personal restores the original state with drainage equipment after maintaining first solenoid valve or second solenoid valve, has reduced the influence to drainage equipment drainage efficiency when the solenoid valve trouble.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the cross-sectional enlarged structure of the filtering tube of the present invention;
FIG. 3 is a schematic view of a storage box of the present invention in cross-section and enlarged structure;
fig. 4 is an enlarged schematic structural diagram of the filtering structure of the present invention.
In the figure: 1. a housing; 2. a communicating pipe; 3. a first manual valve; 4. a support pillar; 5. a first solenoid valve; 6. a second manual valve; 7. a first drain pipe; 8. a first water storage tank; 9. a liquid level switch; 10. a storage box; 11. a first water conduit; 12. a compressed air pipe body; 13. a connecting pipe; 14. a filter tube; 15. a drainage tube; 16. a two-position three-way electromagnetic valve; 17. a second water conduit; 18. a control panel; 19. a first through hole; 20. a second water storage tank; 21. a second drain pipe; 22. a third manual valve; 23. a second solenoid valve; 24. a filter structure; 2401. filtering with a screen; 2402. mounting blocks; 2403. a groove; 2404. a compression spring; 2405. extruding the block; 25. a screw groove; 26. thread teeth; 27. a second through hole; 28. a sealing plug; 29. a drive rod; 30. a spring is connected.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
Referring to fig. 1-4, the present invention provides an embodiment: the high-efficiency drainage equipment for the compressed air pipeline comprises a shell 1, supporting columns 4, a first water storage tank 8, a two-position three-way electromagnetic valve 16 and a filtering structure 24, wherein the supporting columns 4 are fixed at the corner positions of the bottom end of the shell 1, the first water storage tank 8 and a second water storage tank 20 are respectively fixed on two inner side walls of the shell 1, and a first drainage pipe 7 and a second drainage pipe 21 are respectively fixed at the bottom ends of the first water storage tank 8 and the second water storage tank 20;
a communicating pipe 2 is arranged in the shell 1 on one side of the first water storage tank 8, one end of the communicating pipe 2 is communicated with the first water storage tank 8, the other end of the communicating pipe 2 is communicated with the second water storage tank 20, and a first manual valve 3 is arranged in the communicating pipe 2 and used for drainage work when the electromagnetic valve fails;
a second manual valve 6 and a first electromagnetic valve 5 are sequentially arranged in the first drainage pipe 7, the type of the first electromagnetic valve 5 can be ZBSF-50, and a third manual valve 22 and a second electromagnetic valve 23 are sequentially installed in the second drain pipe 21 at one side of the first drain pipe 7, the second electromagnetic valve 23 can be ZBSF-50, the top of the shell 1 is provided with a two-position three-way electromagnetic valve 16, the model of the two-position three-way electromagnetic valve 16 can be 4V210-08, a first water guide pipe 11 and a second water guide pipe 17 are respectively fixed at two ends of the two-position three-way electromagnetic valve 16, the bottom end of the first water guide pipe 11 is communicated with a first water storage tank 8, the bottom end of the second water guide pipe 17 is communicated with a second water storage tank 20, liquid level switches 9 are fixed at the tops of the first water storage tank 8 and the second water storage tank 20, the liquid level switch 9 can be M151145, and a storage box 10 is fixed on one side of the top ends of the first water storage tank 8 and the second water storage tank 20;
a second through hole 27 is formed in one side of the bottom of the storage box 10, a first through hole 19 is formed in the top of each of the first water storage box 8 and the second water storage box 20 at the position of the second through hole 27, the first through hole 19 is communicated with the second through hole 27, a driving rod 29 is arranged in the storage box 10, the driving rod 29 is fixed to the bottom end of the driving rod 29, a sealing plug 28 extends into the second through hole 27, the top end of the driving rod 29 extends to the outside of the storage box 10 and is sleeved with a connecting spring 30, and the bottom end of the connecting spring 30 is fixedly connected with the storage box 10 and used for putting in the descaling agent;
a compressed air pipe body 12 is arranged above the shell 1, a connecting pipe 13 is fixed at the bottom end of the compressed air pipe body 12, a filter pipe 14 is sleeved at the bottom of the connecting pipe 13, a filter structure 24 is arranged inside the filter pipe 14, a drainage pipe 15 is arranged at the bottom end of the filter pipe 14, and the bottom end of the drainage pipe 15 extends to the inside of the shell 1 and is communicated with a two-position three-way electromagnetic valve 16;
the filter structure 24 is internally provided with a filter screen 2401, an installation block 2402, a groove 2403, an extrusion spring 2404 and an extrusion block 2405 in sequence, the filter screen 2401 is arranged in the storage box 10, the grooves 2403 are arranged on the inner walls of the storage box 10 at two sides of the filter screen 2401, the extrusion springs 2404 at equal intervals are fixed on the inner wall at one side of the groove 2403, the extrusion block 2405 is fixed at one end of the extrusion spring 2404, the installation block 2402 is arranged at one side of the extrusion block 2405, and one end of the installation block 2402 is fixedly connected with the storage box 10;
the filter screen 2401 is pushed to enable the mounting block 2402 on one side of the filter screen to extrude the extrusion block 2405, and the filter screen 2401 can be detached and cleaned or replaced, so that the filtering function of impurities in water is realized;
the inner wall of the top of the filter pipe 14 is provided with a spiral groove 25, the outer wall of the connecting pipe 13 at the position of the spiral groove 25 is fixed with a thread tooth 26, the thread tooth 26 is in threaded connection with the spiral groove 25, the outer wall of one side of the shell 1 is fixed with a control panel 18, the type of the control panel 18 can be DL203, the output end of a single chip microcomputer in the control panel 18 is respectively communicated with the first electromagnetic valve 5, the two-position three-way electromagnetic valve 16 and the second electromagnetic valve 23, and the input end of the single chip microcomputer in the control panel 18 is electrically connected with the output end of the liquid level switch 9.
The working principle is as follows: when the high-efficiency drainage device is used, the high-efficiency drainage device is externally connected with a power supply, water in the compressed air pipe body 12 flows into the filter pipe 14 through the connecting pipe 13, wherein the filter screen 2401 in the filter pipe 14 effectively filters impurities in the water, the filter pipe 14 is rotated to be separated from the connecting pipe 13 through the spiral groove 25 and the spiral teeth 26, the filter screen 2401 is pushed to enable the mounting block 2402 on one side of the filter screen to extrude the extrusion block 2405, the filter screen 2401 can be detached and cleaned or replaced, so that the filtering function of the impurities in the water is realized, then the filtered water flows into the drainage pipe 15, at the moment, the two-position three-way electromagnetic valve 16 is electrified to guide the water into the first water storage tank 8 through the first water guide pipe 11, when the water level in the first water storage tank 8 reaches a certain height, the liquid level switch 9 is triggered to work, the first electromagnetic valve 5 is opened to discharge the water through the, the two-position three-way electromagnetic valve 16 guides water into the second water storage tank 20 through the second water guide pipe 17, when the water level in the second water storage tank 20 reaches a certain height, the liquid level switch 9 is triggered to work, the second electromagnetic valve 23 is opened to discharge the water through the second water discharge pipe 21, the double-pipe water discharge mode ensures the high efficiency of the water discharge equipment, when one of the first electromagnetic valve 5 or the second electromagnetic valve 23 fails, the second manual valve 6 or the third manual valve 22 is manually closed and the first manual valve 3 is opened, so that the water body reaches the inside of the first water storage tank 8 or the second water storage tank 20 through the communication pipe 2, a maintenance worker restores the water discharge equipment to the original state after maintaining the first electromagnetic valve 5 or the second electromagnetic valve 23, the influence on the water discharge efficiency of the water discharge equipment when the electromagnetic valve fails is reduced, and finally, the worker places a descaling agent into the storage tank 10, pulling actuating lever 29 makes it drive sealing plug 28 break away from second through-hole 27 for the detergent loops through second through-hole 27 and first through-hole 19 and gets into the inside of first storage water tank 8 and second storage water tank 20, clears up the incrustation scale of first storage water tank 8 and second storage water tank 20 inside, need not to change first storage water tank 8 and second storage water tank 20, can accomplish the cleaning work of incrustation scale, thereby the convenience of incrustation scale clearance has been improved, accomplish the work of the high-efficient drainage equipment of compressed air pipeline.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. High-efficient drainage equipment of compressed air pipeline, including casing (1), support column (4), first storage water tank (8), two-position three way solenoid valve (16) and filtration (24), its characterized in that: the water storage tank is characterized in that supporting columns (4) are fixed at corner positions of the bottom end of the shell (1), a first water storage tank (8) and a second water storage tank (20) are fixed on two inner side walls of the shell (1) respectively, a first drain pipe (7) and a second drain pipe (21) are fixed at the bottom ends of the first water storage tank (8) and the second water storage tank (20) respectively, a second manual valve (6) and a first electromagnetic valve (5) are sequentially installed inside the first drain pipe (7), a third manual valve (22) and a second electromagnetic valve (23) are sequentially installed inside the second drain pipe (21) on one side of the first drain pipe (7), a two-position three-way electromagnetic valve (16) is arranged at the top of the shell (1), a first water guide pipe (11) and a second water guide pipe (17) are fixed at two ends of the two-position three-way electromagnetic valve (16) respectively, and the bottom end of the first water guide pipe (11) is communicated with the first, the bottom end of the second water guide pipe (17) is communicated with the second water storage tank (20), the top parts of the first water storage tank (8) and the second water storage tank (20) are both fixed with a liquid level switch (9), one sides of the top ends of the first water storage tank (8) and the second water storage tank (20) are both fixed with a storage tank (10), a compressed air pipe body (12) is arranged above the shell (1), a connecting pipe (13) is fixed at the bottom end of the compressed air pipe body (12), a filter pipe (14) is sleeved at the bottom of the connecting pipe (13), a filter structure (24) is arranged inside the filter pipe (14), a drainage pipe (15) is installed at the bottom end of the filter pipe (14), the bottom end of the drainage pipe (15) extends into the shell (1) and is communicated with a two-position three-way electromagnetic valve (16), a spiral groove (25) is arranged on the inner wall of the top part, and be fixed with thread tooth (26) on connecting pipe (13) outer wall of spiral groove (25) position department, thread tooth (26) and spiral groove (25) threaded connection, be fixed with control panel (18) on the outer wall of casing (1) one side, and the output of the inside singlechip of control panel (18) is linked together with first solenoid valve (5), two-position three way solenoid valve (16) and second solenoid valve (23) respectively, and the input of the inside singlechip of control panel (18) and the output electric connection of liquid level switch (9).
2. The compressed air pipeline efficient drainage device of claim 1, wherein: the water storage device is characterized in that a communicating pipe (2) is arranged inside the shell (1) on one side of the first water storage tank (8), one end of the communicating pipe (2) is communicated with the first water storage tank (8), the other end of the communicating pipe (2) is communicated with the second water storage tank (20), and a first manual valve (3) is arranged inside the communicating pipe (2).
3. The compressed air pipeline efficient drainage device of claim 1, wherein: one side of the bottom of the storage box (10) is provided with a second through hole (27), the tops of the first water storage tank (8) and the second water storage tank (20) at the position of the second through hole (27) are both provided with a first through hole (19), and the first through hole (19) is communicated with the second through hole (27).
4. The compressed air pipeline efficient drainage device of claim 3, wherein: the inside of storage box (10) is provided with actuating lever (29), and the bottom mounting of actuating lever (29) has actuating lever (29), and sealing plug (28) extend to the inside of second through-hole (27) to the top of actuating lever (29) extends to the outside of storage box (10) and overlaps and be equipped with coupling spring (30), the bottom and storage box (10) fixed connection of coupling spring (30).
5. The compressed air pipeline efficient drainage device of claim 1, wherein: the inside of filtration (24) has set gradually filter screen (2401), installation piece (2402), recess (2403), extrusion spring (2404) and extrusion piece (2405), the inside of storage box (10) is provided with filter screen (2401), and all is provided with recess (2403) on storage box (10) inner wall of filter screen (2401) both sides.
6. The compressed air pipeline efficient drainage device of claim 5, wherein: the inner wall of one side of the groove (2403) is fixedly provided with equally spaced extrusion springs (2404), one end of each extrusion spring (2404) is fixedly provided with an extrusion block (2405), one side of each extrusion block (2405) is provided with an installation block (2402), and one end of each installation block (2402) is fixedly connected with the storage box (10).
CN201921915462.0U 2019-11-08 2019-11-08 High-efficient drainage device of compressed air pipeline Expired - Fee Related CN210920965U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921915462.0U CN210920965U (en) 2019-11-08 2019-11-08 High-efficient drainage device of compressed air pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921915462.0U CN210920965U (en) 2019-11-08 2019-11-08 High-efficient drainage device of compressed air pipeline

Publications (1)

Publication Number Publication Date
CN210920965U true CN210920965U (en) 2020-07-03

Family

ID=71344444

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921915462.0U Expired - Fee Related CN210920965U (en) 2019-11-08 2019-11-08 High-efficient drainage device of compressed air pipeline

Country Status (1)

Country Link
CN (1) CN210920965U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112593721A (en) * 2020-11-03 2021-04-02 绍兴中炜环境建设有限公司 Double-liquid high-pressure filling machine
CN113019005A (en) * 2021-03-03 2021-06-25 陕西雷翔新材料科技有限公司 Waste gas dust collecting equipment for chemical industry

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112593721A (en) * 2020-11-03 2021-04-02 绍兴中炜环境建设有限公司 Double-liquid high-pressure filling machine
CN113019005A (en) * 2021-03-03 2021-06-25 陕西雷翔新材料科技有限公司 Waste gas dust collecting equipment for chemical industry

Similar Documents

Publication Publication Date Title
CN210920965U (en) High-efficient drainage device of compressed air pipeline
CN111214891A (en) Water treatment filter material device convenient to change
CN108457335A (en) A kind of city dweller's water saving fixtures
CN213407102U (en) Labor-saving disinfection barrel
CN211462281U (en) High-efficiency self-cleaning filter
CN211799182U (en) High-efficiency back-flushing electric water filter
CN209333276U (en) A kind of round filter tip for water purifier
CN209020007U (en) A kind of home life purifying equipment for running water
CN112999730A (en) Energy-efficient concatenation formula filter core
CN202087117U (en) Sewage treatment filter device
CN202460283U (en) Water purification machine and box body thereof
CN210409805U (en) Energy-saving water purifier
CN213500721U (en) Device maintenance device for gear box of extruder
CN221846412U (en) Micro-filter for irrigation equipment
CN210631740U (en) Prevent blockking up one-way choke valve convenient to installation
CN215692398U (en) Cleaning mechanism for water supply filter
CN211328311U (en) Water purification treatment equipment for polypropylene industrial twisted yarn production
CN214880291U (en) A leading whole room water purifier for it is outdoor
CN213930440U (en) Low-point emptying device for air buffer tank
CN211170231U (en) Bathing water disinfection filtration purification device
CN210845600U (en) Filter element assembling and fixing device of bag type air filter
CN219472819U (en) Hydraulic threaded cartridge type one-way valve
CN210583833U (en) Point-supporting type filter without partition plate
CN216155627U (en) Purifier for sewage treatment
CN214528905U (en) Ant essential oil splitter

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: 20200703

Termination date: 20201108

CF01 Termination of patent right due to non-payment of annual fee