CN104154311A - Mechanical counting non-return drainer with ratchet - Google Patents
Mechanical counting non-return drainer with ratchet Download PDFInfo
- Publication number
- CN104154311A CN104154311A CN201410359932.5A CN201410359932A CN104154311A CN 104154311 A CN104154311 A CN 104154311A CN 201410359932 A CN201410359932 A CN 201410359932A CN 104154311 A CN104154311 A CN 104154311A
- Authority
- CN
- China
- Prior art keywords
- ratchet
- spool
- axle
- central tube
- stop type
- 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.)
- Granted
Links
- 239000012634 fragment Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 244000144985 peep Species 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims 1
- 239000003673 groundwater Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 239000002352 surface water Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
- B01D35/046—Plug, tap, or cock filters filtering elements mounted in or on a faucet the filtering element being mounted in the faucet plug
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/16—Valves
- B01D2201/167—Single-way valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention relates to a mechanical counting non-return drainer with a ratchet and belongs to the technical field of ground water drainage facilities in hydraulic engineering. The mechanical counting non-return drainer comprises a valve sleeve, an inner casing, a center tube, a spool, a top cover, the ratchet, a counting disc, a spool post and a filter mesh. The valve sleeve is connected with the bottom of a pond to form a communicator; the inner casing is connected to the inside of the valve sleeve; the inner casing is connected with the valve sleeve through a rubber ring a; the center tube is disposed inside the inner casing; the outside of the center tube is connected with the inner casing; the inside of the center tube is connected with the spool. The ratchet and the counting disc are disposed on the spool inside the center tube and are fixed together. Compared with like products, the mechanical counting non-return drainer has the functions of counting and silt control, is simple in structure and long in service life and has the function of unidirectional return avoidance.
Description
Technical field
The invention belongs to hydraulic engineering ground water drainage facility technology field, particularly a kind of reverse-stop type hydathode with tally function.
Background technique
Reverse-stop type hydathode is a kind of special device that is specially adapted for the hydraulic engineering such as channel, wet pit in phreatic high situation, its objective is and subdue underground water to the seepage pressure of liner structure and floating holder impact, reach and reduce thickness, the guarantee structural safety of reducing investment outlay of liner structure and improve the structure object in working life.And the structure that forms reverse-stop type hydathode is mainly made up of intake chamber, water-supplying chamber and check dodge gate as existing reverse-stop type hydathode, check dodge gate is between intake chamber and water-supplying chamber.Level of ground water is during higher than earth's surface water level, check dodge gate moves upward and opens, intake chamber and water-supplying chamber are connected state, and then reach the object of retaining, after retaining completes, check dodge gate is automatically closed under the effect of deadweight and earth's surface hydraulic pressure, cut off drainage channel, prevent that surface water from permeating the ground, and keep the transient equiliblium of surface water and underground water.
At present, although reverse-stop type hydathode on the market can reach the object that reduces structural thickness, reduces investment outlay, ensures structural safety and raising durability, but still there are some problems.The disclosed a kind of reverse-stop type hydathode of for example CN201020117008.3; The anti-alluvial reverse-stop type of the disclosed one of CN201120174836.5 hydathode; First, existing reverse-stop type hydathode can be realized retaining, but does not possess tally function, for maintenance provider brings very large inconvenience; Secondly, the anti-silting effect of existing reverse-stop type hydathode can further be improved again; Finally, although the check dodge gate of existing reverse-stop type hydathode can practical function, only by the effect of deadweight and earth's surface hydraulic pressure unreliable.
Summary of the invention
For shortcomings and deficiencies of the prior art, the technical problem to be solved in the present invention is to provide and a kind ofly can realizes counting, anti-silting and be convenient to maintenance and change new-type a kind of ratchet mechanical count reverse-stop type hydathode of water intake.
In order to achieve the above object, the present invention designs a kind of ratchet mechanical count reverse-stop type hydathode, it is characterized in that: comprise valve pocket, inner sleeve, central tube, spool, top cover, ratchet, counting scale, spool post, filter screen, at the bottom of described valve pocket and pond, be connected to form connecting vessels, in valve pocket, be connected with inner sleeve, inner sleeve is connected by rubber ring a with valve pocket, in described inner sleeve, is provided with central tube, central tube outside is connected with inner sleeve, and inner side is connected with spool; Wherein center, spool upper end portion is provided with tapped hole, is threaded connection with spool post; Described inner sleeve napex is provided with top cover, and top cover is connected by screw with inner sleeve;
On described central tube inner spool, be provided with ratchet and counting scale, counting scale and ratchet are fixed together, counting scale and ratchet are provided with axle a, axle a two ends and central tube interference fit are fixed on central tube, in the middle of axle a, with ratchet and counting scale Spielpassung, can make ratchet and counting scale rotate on axle a, axle a is also the axle of ratchet a, two ends interference fit is fixed on spool post, center and ratchet a Spielpassung, and ratchet a can rotate around axle a;
Described filter screen and central tube are fixed, and are provided with circular hole above, and radial posts gauze on whole filter screen.
The cylindrical side of described spool is provided with axial groove, and spool bottom seals by rubber ring b and central tube bottom, and spool upper end portion is provided with ring deep trouth.
In described inner sleeve, setting tool has guiding groove.
Described top cover bottom surface is provided with annular groove, and a side has ladder hole therein, and macropore inside is provided with screw thread and coordinates with trim ring a, and a positive lens is pressed in macropore, and aperture is peep hole.
Described ratchet a connects together by axle b and spool post, rotates around axle, and ratchet is connected together and can be rotated around axle by axle a and central tube, and ratchet a, ratchet b below is respectively provided with a sheet spring, for shell fragment a and shell fragment b, for ratchet provides restoring force.
On described counting scale, be carved with equally spaced scale, a registration of a counting scale note of the every rising of spool.
Described spool post lower end has screw thread and spool to link together, and upper end evolution groove can make ratchet a rotate around axle b in groove.
Described axle b two ends and spool post interference fit are fixed on spool post, and axle b is the axle of ratchet a, middle part and ratchet a interference fit, and ratchet a can rotate thereon.
The bottom of described spool is provided with stage clip, and the sealing that stage clip is mainly spool bottom and central tube bottom provides pretightening force, provides restoring force for spool falls after rise simultaneously.
Stage clip is provided with trim ring b, for stage clip provides support.
The invention has the beneficial effects as follows: because the present invention has designed the mode of structure of ratchet and counting scale, so the present invention has tally function, improve the working efficiency of hydathode, the present invention is provided with filter screen, filter screen and central tube are fixed, and have circular hole radial above, on whole filter screen, paste gauze, prevent that sandstone from entering hydathode, affect it and normally work.In inner sleeve of the present invention, setting tool has guiding groove, limit the rotation of the qz direction of spool, spool can be moved up and down in central tube again, the cylindrical side of spool is opened axial groove, facilitate the outflow of water, spool bottom seals bottom rubber ring and central tube, the deadweight that spool upper end portion is driven ring deep trouth and alleviated spool entirety.Only poor while being greater than spool deadweight, the deadweight of spool post with stage clip pressure sum when side hydraulic pressure under hydathode and upper survey hydraulic pressure, spool moves up, and at this moment spool ground portion makes water pass through spool cylinder side channel, the outflow of inner sleeve rectangular opening with generation gap, central tube bottom.Only poor while being less than spool deadweight, the deadweight of spool post with stage clip pressure sum when side hydraulic pressure under hydathode and upper survey hydraulic pressure, spool moves down until contact and reseal bottom spool bottom and central tube.This project organization mode has changed the design concept of prior art, and mode of structure rationalizes more, has improved working efficiency.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the invention will be further described;
Fig. 1 is overall structure schematic diagram of the present invention
1-valve pocket in figure, 2-inner sleeve, 3-central tube, 4-spool, 5-top cover, 6-axle a, 7-ratchet, 8-counting scale, 9-spool post, 10-axle b, 11-ratchet a, 12-ratchet b, 13-shell fragment a, 14-shell fragment b, 15-rubber ring a, 16-rubber ring b, 17-filter screen, 18-stage clip, 19-trim ring a, 20-trim ring b
Embodiment
As shown in Figure 1, the present invention designs a kind of ratchet mechanical count reverse-stop type hydathode, comprise valve pocket 1, inner sleeve 2, central tube 3, spool 4, top cover 5, ratchet 7, counting scale 8, spool post 9, filter screen 17, described valve pocket 1 is connected to form connecting vessels with at the bottom of pond, in valve pocket 1, be connected with inner sleeve 2, inner sleeve 2 is connected by rubber ring a with valve pocket 1, in described inner sleeve 2, is provided with central tube 3, central tube 3 outsides are connected with inner sleeve 2, and inner side is connected with spool 4; Wherein spool 4 centers, upper end portion are provided with tapped hole, are threaded connection with spool post 9; Described inner sleeve 2 napexes are provided with top cover 5, and top cover 5 is connected by screw with inner sleeve 2;
On described central tube 3 inner spools 4, be provided with ratchet 7 and counting scale 8, counting scale and ratchet are fixed together, counting scale and ratchet common shaft a, axle a two ends and central tube interference fit are fixed on central tube, in the middle of axle a, with ratchet and counting scale Spielpassung, can make ratchet and counting scale rotate on axle a, axle a is also the axle of ratchet a, two ends interference fit is fixed on spool post, center and ratchet a Spielpassung, and ratchet a can rotate around axle a;
Described filter screen 17 is fixed with central tube, is provided with circular hole above, and radial posts gauze on whole filter screen.
Describe for the each component working principle of hydathode and function as follows:
Part 1 is connected to form connecting vessels at the bottom of having mounting hole and pond on valve pocket.
Part 2 is connected by rubber ring a with valve pocket for inner sleeve, handling that can hydathode easy to loading and unloading, and several rectangular opening are opened on top simultaneously, and water can be flowed out.
Centered by part 3, outside cylinder, be connected inner side with inner sleeve and be connected with spool, make spool in inner sleeve, carry out upper and lower movement.Simultaneously in inner sleeve, have guiding groove and limited the rotation of the qz direction of spool, central tube also provides support for ratchet and pawl b axle.
Part 4 is spool, spool can move up and down in central tube again, and the cylindrical side of spool is opened axial groove, facilitates the outflow of water, spool bottom seals bottom rubber ring b and central tube, the deadweight that spool upper end portion is driven ring deep trouth and alleviated spool entirety.Tapped hole is beaten at center, spool upper end portion, is connected with spool male screw.Only poor while being greater than spool deadweight, the deadweight of spool post with stage clip pressure sum when side hydraulic pressure under hydathode and upper survey hydraulic pressure, spool moves up, and at this moment spool ground portion makes water pass through spool cylinder side channel, the outflow of inner sleeve rectangular opening with generation gap, central tube bottom.Only poor while being less than spool deadweight, the deadweight of spool post with stage clip pressure sum when side hydraulic pressure under hydathode and upper survey hydraulic pressure, spool moves down until contact and reseal bottom spool bottom and central tube.
Part 5 is top cover, be connected top cover bottom surface with inner sleeve by screw and have annular groove, facilitate water by flowing out in central tube, a side has ladder hole therein, macropore inside has screw thread to coordinate with trim ring 1, a positive lens is pressed in macropore, and aperture is peep hole, can observe by aperture the registration of counting scale.
Part 6 for axle a be the axle of ratchet and counting scale, axle a two ends and central tube interference fit are fixed on central tube, with ratchet and counting scale Spielpassung, can make ratchet and counting scale rotate on axle a in the middle of axle a.Axle a is also the axle of ratchet a, and two ends interference fit is fixed on spool post, center and ratchet a Spielpassung, and ratchet a can rotate around axle a.
Part 7 is ratchet, and ratchet coordinates with ratchet a, ratchet b, and ratchet and counting scale connect together by screw, and in the time that ratchet rotates, counting scale is synchronizeed and rotated with ratchet.
Ratchet counting principle: ratchet is connected by screw with counting scale, can rotate around axle a.Ratchet and two ratchets match, and ratchet a is connected together and can be rotated around axle by axle b and spool post, and ratchet b is connected together and can be rotated around axle by axle a and central tube, and respectively there is a sheet spring ratchet a, ratchet b below, for ratchet provides restoring force.Only poor while being greater than spool deadweight, the deadweight of spool post with stage clip pressure sum when side hydraulic pressure under hydathode and upper survey hydraulic pressure, spool moves up.Can make the moving ratchet of spool cornice move up because it is connected with spool post, ratchet a straight-tooth coordinates with ratchet straight-tooth just can stir an angle of ratchet rotation, and now ratchet b is that helical teeth coordinates with ratchet helical teeth, and ratchet can rotate.When side hydraulic pressure under hydathode and upper survey hydraulic pressure only poor while being less than spool deadweight, the deadweight of spool post with stage clip pressure sum, ratchet a moves down with spool post, now ratchet a helical teeth coordinates with ratchet helical teeth, and ratchet b straight-tooth coordinates with ratchet straight-tooth, and ratchet is motionless around axle b rotates for ratchet a.
Part 8 is, together with counting scale is fixed by screws in ratchet, can rotate around axle a with ratchet.On it, be carved with equally spaced scale, a registration of a counting scale note of the every rising of spool.
Part 9 is spool post, and spool post lower end has screw thread and spool to link together, and upper end evolution groove can make ratchet a rotate around axle b in groove.
Part 10 for axle b be the axle of ratchet a, axle b two ends and spool post interference fit are fixed on spool post, middle part and ratchet a interference fit, ratchet a can rotate thereon.
Part 11 is ratchet a, coordinates with ratchet.
Part 12 is ratchet b, coordinates with ratchet.
Part 13 is shell fragment a, is connected with spool post with ratchet a, and for ratchet, a provides restoring force.
Part 14 is shell fragment b, is connected with central tube with ratchet b, and for ratchet, b provides restoring force.
Part 15 is rubber ring a, for good sealing is provided between valve pocket and inner sleeve.
Part 16 is rubber ring b, bottom spool bottom and central tube, provides good sealing.
Part 17 is filter screen, and filter screen and central tube are fixed, and has circular hole radial above, on whole filter screen, pastes gauze, prevents that sandstone from entering hydathode, affects it and normally works.
Part 18 is stage clip, and the sealing that is mainly spool bottom and central tube bottom provides pretightening force, provides restoring force for spool falls after rise simultaneously.
For trim ring a, fixed lens tightens up lens and top cover.
Part 20 is trim ring b, for stage clip provides support.
This reverse-stop type hydathode has counting and anti-silting function, simple in structure, long service life, can realize one-way check function compared with other like products.
Claims (10)
1. a ratchet mechanical count reverse-stop type hydathode, it is characterized in that: comprise valve pocket (1), inner sleeve (2), central tube (3), spool (4), top cover (5), ratchet (7), counting scale (8), spool post (9), filter screen (17), described valve pocket (1) is connected to form connecting vessels with at the bottom of pond, in valve pocket (1), be connected with inner sleeve (2), inner sleeve (2) is connected by rubber ring a (15) with valve pocket (1), in described inner sleeve (2), be provided with central tube (3), central tube (3) outside is connected with inner sleeve (2), inner side is connected with spool (4), wherein spool (4) center, upper end portion is provided with tapped hole, is threaded connection with spool post (9), described inner sleeve (2) napex is provided with top cover (5), and top cover (5) is connected by screw with inner sleeve (2),
On described central tube (3) inner spool (4), be provided with ratchet (7) and counting scale (8), counting scale and ratchet are fixed together, counting scale and ratchet are provided with axle a (6), axle a (6) two ends and central tube interference fit are fixed on central tube, axle a (6) centre and ratchet and counting scale Spielpassung, can make ratchet and counting scale in the upper rotation of axle a (6), axle a (6) is also the axle of ratchet a (11), two ends interference fit is fixed on spool post, center and ratchet a (11) Spielpassung, ratchet a (11) can rotate around axle a (6),
Described filter screen (17) is fixed with central tube, is provided with circular hole above, and radial posts gauze on whole filter screen.
2. a kind of ratchet mechanical count reverse-stop type hydathode according to claim 1, it is characterized in that: the cylindrical side of described spool (4) is provided with axial groove, spool (4) bottom seals with central tube (3) bottom by rubber ring b (16), and spool (4) upper end portion is provided with ring deep trouth.
3. a kind of ratchet mechanical count reverse-stop type hydathode according to claim 1, is characterized in that: in described inner sleeve, setting tool has guiding groove.
4. a kind of ratchet mechanical count reverse-stop type hydathode according to claim 1, it is characterized in that: described top cover (5) bottom surface is provided with annular groove, a side has ladder hole therein, macropore inside is provided with screw thread and coordinates with trim ring a (19), a positive lens is pressed in macropore, and aperture is peep hole.
5. a kind of ratchet mechanical count reverse-stop type hydathode according to claim 1, it is characterized in that: described ratchet a (11) connects together with spool post by axle b (10), rotate around axle, ratchet b (12) is connected together and can rotate around axle with central tube by axle a (6), ratchet a (11), ratchet b (12) below is respectively provided with a sheet spring, for shell fragment a (13) and shell fragment b (14), for ratchet provides restoring force.
6. a kind of ratchet mechanical count reverse-stop type hydathode according to claim 1, is characterized in that: on described counting scale (8), be carved with equally spaced scale, a registration of a counting scale note of the every rising of spool.
7. a kind of ratchet mechanical count reverse-stop type hydathode according to claim 1, it is characterized in that: described spool post (9) lower end has screw thread and spool to link together, upper end evolution groove can make ratchet a (11) rotate around axle b (10) in groove.
8. a kind of ratchet mechanical count reverse-stop type hydathode according to claim 5, it is characterized in that: described axle b (10) two ends and column interference fit are fixed on column, axle b (10) is the axle of ratchet a (11), middle part and ratchet a (11) transition fit, ratchet a (11) can rotate thereon.
9. a kind of ratchet mechanical count reverse-stop type hydathode according to claim 1 and 2, it is characterized in that: the bottom of described spool is provided with stage clip (18), the sealing that stage clip is mainly spool bottom and central tube bottom provides pretightening force, provides restoring force for spool falls after rise simultaneously.
10. a kind of ratchet mechanical count reverse-stop type hydathode according to claim 9, is characterized in that: stage clip (18) is provided with trim ring b (20), for stage clip provides support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410359932.5A CN104154311B (en) | 2014-07-25 | 2014-07-25 | Ratchet mechanical count inverse-stopping type water trap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410359932.5A CN104154311B (en) | 2014-07-25 | 2014-07-25 | Ratchet mechanical count inverse-stopping type water trap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104154311A true CN104154311A (en) | 2014-11-19 |
| CN104154311B CN104154311B (en) | 2016-08-17 |
Family
ID=51879885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410359932.5A Active CN104154311B (en) | 2014-07-25 | 2014-07-25 | Ratchet mechanical count inverse-stopping type water trap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104154311B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999067556A1 (en) * | 1998-06-25 | 1999-12-29 | Schroeder Industries Australia Proprietary Limited | Improved check valve arrangement for a diagnostic test point |
| CN2869516Y (en) * | 2006-02-14 | 2007-02-14 | 浙江沁园水处理科技股份有限公司 | Metering tap |
| CN201159335Y (en) * | 2008-03-04 | 2008-12-03 | 井朝清 | Check drainer |
| CN202501047U (en) * | 2012-03-26 | 2012-10-24 | 楚凤池 | Anti-siltation check type drainer |
| US20140069530A1 (en) * | 2012-09-10 | 2014-03-13 | Flomatic Corporation | Check valve |
| CN203948769U (en) * | 2014-07-25 | 2014-11-19 | 长春市艾必利务科技有限公司 | Ratchet mechanical count reverse-stop type hydathode |
-
2014
- 2014-07-25 CN CN201410359932.5A patent/CN104154311B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999067556A1 (en) * | 1998-06-25 | 1999-12-29 | Schroeder Industries Australia Proprietary Limited | Improved check valve arrangement for a diagnostic test point |
| CN2869516Y (en) * | 2006-02-14 | 2007-02-14 | 浙江沁园水处理科技股份有限公司 | Metering tap |
| CN201159335Y (en) * | 2008-03-04 | 2008-12-03 | 井朝清 | Check drainer |
| CN202501047U (en) * | 2012-03-26 | 2012-10-24 | 楚凤池 | Anti-siltation check type drainer |
| US20140069530A1 (en) * | 2012-09-10 | 2014-03-13 | Flomatic Corporation | Check valve |
| CN203948769U (en) * | 2014-07-25 | 2014-11-19 | 长春市艾必利务科技有限公司 | Ratchet mechanical count reverse-stop type hydathode |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104154311B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201420884Y (en) | Flow regulating check valve | |
| CN203948769U (en) | Ratchet mechanical count reverse-stop type hydathode | |
| CN203686262U (en) | Mining submersible pump outlet check valve | |
| CN104154311A (en) | Mechanical counting non-return drainer with ratchet | |
| CN204040169U (en) | A kind of floor drain | |
| CN104213863B (en) | Water injection well oil jacket plugging device | |
| CN202972050U (en) | Safety valve of electric water heater | |
| CN206290729U (en) | Stop valve | |
| CN108119093A (en) | Well cementation casing automatic grouting equipment | |
| CN204878885U (en) | Novel take check valve of sealing washer | |
| CN208473799U (en) | A kind of polished rod of pumping well descaler | |
| CN203272888U (en) | Check valve | |
| CN205637063U (en) | Adjustable floor drain | |
| CN115561020A (en) | Sampling device for water quality monitoring | |
| CN204457848U (en) | For de-watering apparatus and the spool driving mechanism of gas drainage system | |
| CN104389540A (en) | Large water hole bypass valve for screw drill | |
| CN203878580U (en) | Upper turbine drive rotary spraying device for aiding rising of marine drilling platform pile shoe | |
| CN203880124U (en) | Thread guiding rotating spraying device for lifting of marine drilling platform pile shoe | |
| CN203322428U (en) | Faucet of water purifier | |
| CN207814623U (en) | A kind of basic water conservancy projects low voltage rail outlet valve in farmland | |
| CN205298693U (en) | Water -saving tap | |
| CN220120464U (en) | Water pollution sampling equipment | |
| CN103953046B (en) | A kind of marine drilling platform assisting in lifting pile shoe rotating disk drive-type churning device | |
| CN203906843U (en) | Sealing device on self-supporting control valve | |
| CN205421187U (en) | Multistage manger plate locking device of movable dam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180523 Address after: 130000 3 building, 1666 Wuhan Road, Changchun Economic Development Zone, Jilin Patentee after: CHANGCHUN YANDONGLI TECHNOLOGY CO.,LTD. Address before: 130022 722B-1 room 7, 1357 Kumho Road, Changchun high tech Zone, Jilin Patentee before: CHANGCHUN AIBILIWU TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230516 Address after: Room 1628, 16th Floor, Block B, Chuangke Building, Silicon Valley New City, Changchun High tech Industrial Development Zone, Jilin Province, 130000 Patentee after: CHANGCHUN AIBILIWU TECHNOLOGY CO.,LTD. Address before: 130000 3 building, 1666 Wuhan Road, Changchun Economic Development Zone, Jilin Patentee before: CHANGCHUN YANDONGLI TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right |