CN108506561A - A kind of valve switch resetting apparatus and the valve using the device - Google Patents
A kind of valve switch resetting apparatus and the valve using the device Download PDFInfo
- Publication number
- CN108506561A CN108506561A CN201810590843.XA CN201810590843A CN108506561A CN 108506561 A CN108506561 A CN 108506561A CN 201810590843 A CN201810590843 A CN 201810590843A CN 108506561 A CN108506561 A CN 108506561A
- Authority
- CN
- China
- Prior art keywords
- terminal pad
- valve
- spring
- mount
- supported
- 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.)
- Pending
Links
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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The present invention relates to the valves of a kind of valve switch resetting apparatus and the use device；Valve switch resetting apparatus includes the terminal pad for connecting valve, upper cover in terminal pad and the planetary gear transmission mechanism being arranged between terminal pad and upper cover, terminal pad has the avoid holes that the valve rod for valve enters, planetary gear transmission mechanism includes the sun gear that the valve rod is connected for rotation stop, tooth rest with sun gear coaxial arrangement and the planetary gear between sun gear and tooth rest, planetary gear is engaged with sun gear and tooth rest simultaneously, tooth rest, which has, extends radially out the connecting lever that upper cover exerts a force for user, the elastic component for applying reset force to tooth rest is equipped between tooth rest and terminal pad and/or upper cover.Pass through the speed change of planetary gear mechanism so that rotation connecting lever i.e. changeable valve state less than 90 °；After unclamping connecting lever, valve automatically resets.Compared with the prior art, the operating time is shorter, and efficiency is higher.
Description
Technical field
The invention belongs to valve fields, and in particular to a kind of valve switch resetting apparatus and the valve using the device.
Background technology
Most of valve all has manual operation function, and such as ball valve, plug valve and butterfly valve, valve includes spool and spool
The valve rod of connection and the handle on valve rod, by 90 ° of manual rotational handle, valve rod band movable valve plug acts, and realizes valve
It opens or closes.The mode of operation of this controlled valve disclosure satisfy that the requirement of common occasion, but in some particular fields
It needs quickly to open and close valve in conjunction, but since the rotational angle of handle is big, and open and close valve and need instead
Multiple operation, it is time-consuming longer, it cannot be satisfied the requirement of the occasion.
Invention content
The purpose of the present invention is to provide a kind of valve switch resetting apparatuses, to solve turning for the handle on existing valve
Dynamic angle is big, opens and closes valve and needs to operate repeatedly, time-consuming longer, cannot be satisfied asking for the requirement of special occasions
Topic.The present invention also aims to provide a kind of valve using the switch resetting device.
To achieve the above object, valve switch resetting apparatus of the invention uses technical solution below：A kind of valve is opened
Close resetting apparatus include for the terminal pad of connecting valve, the upper cover in terminal pad and setting terminal pad and upper cover it
Between planetary gear transmission mechanism, terminal pad has the avoid holes that the valve rod for valve enters, and planetary gear transmission mechanism includes
Connect the sun gear of the valve rod for rotation stop, with the tooth rest of sun gear coaxial arrangement and mounted on sun gear and tooth rest it
Between planetary gear, planetary gear engages with sun gear and tooth rest simultaneously, and tooth rest, which has, extends radially out upper cover so that user applies
The connecting lever of power is equipped with the elastic component for applying reset force to tooth rest between tooth rest and terminal pad and/or upper cover.
Advantageous effect：When tooth rest is not by external force, tooth rest under the action of the elastic member fix by position, and valve is beaten at this time
On or off is closed, and when needing to change valve open-close state, the active force of elastic component is overcome to rotate connecting lever, tooth rest drives planet
Wheel, planetary gear drive sun gear, sun gear band ovable valve stem to act, and valve rod band movable valve plug acts, and passes through the change of planetary gear mechanism
Speed so that rotation connecting lever i.e. changeable valve state less than 90 °；After unclamping connecting lever, tooth rest resets under the action of the elastic member,
Valve automatically resets.Compared with the prior art, handle rotational angle smaller, late gate is completed in once-through operation to automatically reset,
Operating time is shorter, and efficiency is higher, disclosure satisfy that some special industries to quickly changing the requirement of valve working state.
Further, the tooth rest includes gear ring and the spring(-supported) mount installed for gear ring, and spring(-supported) mount is annular slice structure,
The top of spring(-supported) mount is equipped with the positioning step sunk to for the bottom of gear ring, and the horizontal platform terrace of positioning step is equipped with for connecting
The gear ring connecting hole of gear ring is equipped with terminal pad connecting hole on spring(-supported) mount in the outside of positioning step；The connecting lever is arranged in spring
On frame.
Further, the bottom of the spring(-supported) mount is respectively equipped with a connection close to the position of each terminal pad connecting hole
Piece, is connected on spring(-supported) mount on the inside of connection sheet, outside overhangs, and the overhanging part of connection sheet is equipped with and terminal pad connecting hole position
Set corresponding connection sheet trepanning up and down；The elastic component is tension spring, and one end of tension spring is between connection sheet and spring(-supported) mount and connects
On the bolt being connected in terminal pad connecting hole, the other end is connected in terminal pad close to the bolt of terminal pad circumferential edge setting
On.
Further, the tension spring has multiple, and each tension spring is arranged at equal intervals around the pivot center of the sun gear, each tension spring
It is corresponding with a connection sheet respectively.
Further, the sun gear and planetary gear all have gear ring part and spindle portion, the upper cover and terminal pad
It is equipped with the gear mounting groove being rotatablely installed for spindle portion.
The valve of the present invention uses following technical scheme：A kind of valve includes valve body and valve rod, further includes being mounted on valve body
Valve switch resetting apparatus that is upper and being sequentially connected with valve rod, valve switch resetting apparatus include be mounted on terminal pad on valve body,
Upper cover in terminal pad and the planetary gear transmission mechanism being arranged between terminal pad and upper cover, terminal pad have for institute
The avoid holes of valve rod entrance are stated, the planetary gear transmission mechanism includes the sun gear and the sun being connect with the valve rod rotation stop
Take turns coaxial arrangement tooth rest and the planetary gear between sun gear and tooth rest, planetary gear simultaneously with sun gear and gear
Frame engages, and tooth rest, which has, extends radially out the connecting lever that upper cover exerts a force for user, tooth rest and the terminal pad and/or upper cover
Between be equipped with for tooth rest apply reset force elastic component.
Advantageous effect：When tooth rest is not by external force, tooth rest under the action of the elastic member fix by position, and valve is beaten at this time
On or off is closed, and when needing to change valve open-close state, the active force of elastic component is overcome to rotate connecting lever, tooth rest drives planet
Wheel, planetary gear drive sun gear, sun gear band ovable valve stem to act, and valve rod band movable valve plug acts, and passes through the change of planetary gear mechanism
Speed so that rotation connecting lever i.e. changeable valve state less than 90 °；After unclamping connecting lever, tooth rest resets under the action of the elastic member,
Valve automatically resets.Compared with the prior art, handle rotational angle smaller, late gate is completed in once-through operation to automatically reset,
Operating time is shorter, and efficiency is higher, disclosure satisfy that some special industries to quickly changing the requirement of valve working state.
Further, the tooth rest includes gear ring and the spring(-supported) mount installed for gear ring, and spring(-supported) mount is annular slice structure,
The top of spring(-supported) mount is equipped with the positioning step sunk to for the bottom of gear ring, and the horizontal platform terrace of positioning step is equipped with for connecting
The gear ring connecting hole of gear ring is equipped with terminal pad connecting hole on spring(-supported) mount in the outside of positioning step；The connecting lever is arranged in spring
On frame.
Further, the bottom of the spring(-supported) mount is respectively equipped with a connection close to the position of each terminal pad connecting hole
Piece, is connected on spring(-supported) mount on the inside of connection sheet, outside overhangs, and the overhanging part of connection sheet is equipped with and terminal pad connecting hole position
Set corresponding connection sheet trepanning up and down；The elastic component is tension spring, and one end of tension spring is between connection sheet and spring(-supported) mount and connects
On the bolt being connected in terminal pad connecting hole, the other end is connected in terminal pad close to the bolt of terminal pad circumferential edge setting
On.
Further, the tension spring has multiple, and each tension spring is arranged at equal intervals around the pivot center of the sun gear, each tension spring
It is corresponding with a connection sheet respectively.
Further, the sun gear and planetary gear all have gear ring part and spindle portion, the upper cover and terminal pad
It is equipped with the gear mounting groove being rotatablely installed for spindle portion.
Description of the drawings
Fig. 1 is the stereogram of the specific embodiment of the valve switch resetting apparatus of the present invention；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is the exploded view of Fig. 1；
Fig. 4 is the structural schematic diagram of upper cover；
Fig. 5 is the structural schematic diagram of spring(-supported) mount；
Fig. 6 is the structural schematic diagram of terminal pad.
In figure：1- terminal pads, 2- upper covers, 3- avoid holes, 4- sun gears, 5- tooth rests, 6- planetary gears, 7- connecting levers, 8- are drawn
Spring, 9- gear rings, 10- spring(-supported) mounts, 11- positioning steps, 12- gear rings connecting hole, 13- terminal pads connecting hole, 14- connection sheets, 15- connect
Contact pin trepanning, 16- bolt I, 17- bolt II, 18- gears mounting groove, 19- escape groove, 20- bolts III.
Specific implementation mode
Below in conjunction with attached drawing, technical scheme of the present invention is clearly and completely described, it is clear that described reality
A part of the embodiment that example is only the present invention is applied, instead of all the embodiments.Based on the embodiments of the present invention, this field
The every other embodiment that those of ordinary skill is obtained without making creative work, belongs to protection of the present invention
Range.
As shown in figs 1 to 6, a kind of valve switch resetting apparatus includes for the terminal pad 1 of connecting valve, mounted on company
The planetary gear transmission mechanism for connecing the upper cover 2 on disk 1 and being arranged between terminal pad 1 and upper cover 2, terminal pad 1 have for valve
Valve rod enter avoid holes 3, planetary gear transmission mechanism includes the sun gear 4 and the sun that the valve rod is connected for rotation stop
The tooth rest 5 and the planetary gear 6 between sun gear 4 and tooth rest 5 of 4 coaxial arrangement of wheel.
There are two planetary gears 6, and two planetary gears 6 are engaged with sun gear 4 and tooth rest 5 simultaneously；Sun gear 4 and planetary gear 6 are equal
With gear ring part and spindle portion, upper cover 2 and terminal pad 1 are equipped with the gear mounting groove 18 being rotatablely installed for spindle portion,
Sun gear 4 and two planetary gears 6 are rotatably installed between terminal pad 1 and upper cover 2.
Tooth rest 5 includes gear ring 9 and the spring(-supported) mount 10 for the installation of gear ring 9, and spring(-supported) mount 10 is annular slice structure, spring(-supported) mount
10 top is equipped with the positioning step 11 sunk to for the bottom of gear ring 9, and the horizontal platform terrace of positioning step 11 is equipped with for connecting
The gear ring connecting hole 12 of gear ring 9 is connect, bolt I16 is mounted in gear ring connecting hole 12 and gear ring 9 is fixed on spring(-supported) mount 10.
Spring(-supported) mount 10, which has, extends radially out the connecting lever 7 that upper cover 2 exerts a force for user, and the circumferential side wall of upper cover 2 is equipped with
Escape groove 19 for avoiding connecting lever 7, escape groove 19 are arranged by two or more, each escape groove 19 around the axis of upper cover 2 at equal intervals.
It is equipped with terminal pad connecting hole 13 in the outside of positioning step 11 on spring(-supported) mount 10, bolt II17 is mounted in terminal pad connecting hole 13
And connection sheet trepanning 15 is stretched into its lower end, extension is connected for tension spring 8；Position in terminal pad 1 close to its circumferential edge is set
There are the bolt mounting holes for bolt III20 installations.
The bottom of spring(-supported) mount 10 is respectively equipped with a connecting piece 14 close to the position of each terminal pad connecting hole 13, connection sheet 14
Inside is connected on spring(-supported) mount 10, outside overhangs outward, and the overhanging part of connection sheet 14 is equipped with and terminal pad connecting hole 13
Set corresponding connection sheet trepanning 15 up and down.Tension spring 8 has multiple, and each tension spring 8 is arranged at equal intervals around the pivot center of sun gear 4, even
Contact pin 14 is corresponded with tension spring 8, and one end of tension spring 8 is connected on bolt III20, the other end is in connection sheet 14 and spring(-supported) mount
In interval between 10 and it is connected on bolt II17.
When tooth rest 5 is not by external force, tooth rest 5 is fixed position under the action of tension spring 8, and valve plays on or off at this time
It closing, when needing to change valve open-close state, the pulling force of tension spring 8 is overcome to rotate connecting lever 7, tooth rest 5 drives planetary gear 6 to rotate,
Planetary gear 6 drives sun gear 4 to rotate, and sun gear 4 is acted with ovable valve stem, and valve rod band movable valve plug acts, and changes valve state.
Pass through the speed change of planetary gear mechanism so that rotation connecting lever 7 i.e. changeable valve state, the present embodiment less than 90 °
Middle connecting lever 7 rotates 20 ° of i.e. changeable valve states；After unclamping connecting lever 7, tooth rest 5 resets under the action of tension spring 8, and valve is certainly
It is dynamic to reset.
Compared with the prior art, handle rotational angle smaller, late gate is completed in once-through operation to automatically reset, when operation
Between it is shorter, efficiency is higher, disclosure satisfy that some special industries to quickly changing the requirement of valve working state.In addition, right
For large torque manual operation valve, handle, reliable in action safety and stability can be installed additional on connecting lever 7.
In other embodiments, elastic component can also be arranged between tooth rest and upper cover, in tooth rest and terminal pad
And elastic component is respectively provided between upper cover.Alternatively, it is also possible to use other elastic components, such as compression spring, elastic rubber.In addition, also may be used
Spring(-supported) mount and gear ring are arranged to integral structure, facilitate installation.Alternatively, it is also possible to be installed additional on valve switch resetting apparatus
Position indicator.
A kind of embodiment of valve of the present invention, valve include valve body, valve rod and are driven on valve body and with valve rod
The valve switch resetting apparatus of connection, the structure of valve switch resetting apparatus and the valve switch resetting apparatus of aforementioned present invention
The structure of any embodiment is identical；Therefore, it is not repeated to illustrate.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, all answer by the change or replacement that can be readily occurred in
It is included within the scope of the present invention.
Claims (10)
1. a kind of valve switch resetting apparatus, it is characterised in that：Include for the terminal pad of connecting valve, mounted on terminal pad
Upper cover and the planetary gear transmission mechanism that is arranged between terminal pad and upper cover, terminal pad there is the valve rod for valve to enter
Avoid holes, planetary gear transmission mechanism include sun gear, the tooth with sun gear coaxial arrangement for connecting the valve rod for rotation stop
Wheel carrier and the planetary gear between sun gear and tooth rest, planetary gear are engaged with sun gear and tooth rest simultaneously, tooth rest
It is equipped with the connecting lever for extending radially out upper cover and exerting a force for user, between tooth rest and terminal pad and/or upper cover for tooth
Wheel carrier applies the elastic component of reset force.
2. valve switch resetting apparatus according to claim 1, it is characterised in that：The tooth rest includes gear ring and for tooth
The spring(-supported) mount of installation is enclosed, spring(-supported) mount is annular slice structure, and the top of spring(-supported) mount is equipped with the positioning table sunk to for the bottom of gear ring
Rank, the horizontal platform terrace of positioning step are equipped with the gear ring connecting hole for connecting gear ring, in the outer of positioning step on spring(-supported) mount
Side is equipped with terminal pad connecting hole；The connecting lever is arranged on spring(-supported) mount.
3. valve switch resetting apparatus according to claim 2, it is characterised in that：The bottom of the spring(-supported) mount is close to each institute
The position for stating terminal pad connecting hole is respectively equipped with a connecting piece, is connected on spring(-supported) mount on the inside of connection sheet, outside overhangs, connection
The overhanging part of piece is equipped with and corresponding connection sheet trepanning above and below terminal pad connection hole site；The elastic component is tension spring, is drawn
One end of spring be between connection sheet and spring(-supported) mount and on the bolt that is connected in terminal pad connecting hole, the other end be connected to connection
On disk on the bolt of terminal pad circumferential edge setting.
4. valve switch resetting apparatus according to claim 3, it is characterised in that：The tension spring have it is multiple, each tension spring around
The pivot center of the sun gear is arranged at equal intervals, and each tension spring is corresponding with a connection sheet respectively.
5. valve switch resetting apparatus according to any one of claims 1 to 4, it is characterised in that：The sun gear and row
Star-wheel all has gear ring part and spindle portion, and the upper cover and terminal pad are equipped with the gear being rotatablely installed for spindle portion and pacify
Tankage.
6. a kind of valve, including valve body and valve rod, it is characterised in that：Further include being mounted on valve body and being sequentially connected with valve rod
Valve switch resetting apparatus, valve switch resetting apparatus include being mounted on terminal pad, the upper cover in terminal pad on valve body
And the planetary gear transmission mechanism being arranged between terminal pad and upper cover, terminal pad have the avoid holes entered for the valve rod,
The planetary gear transmission mechanism include the sun gear being connect with the valve rod rotation stop, with sun gear coaxial arrangement tooth rest and
Planetary gear between sun gear and tooth rest, planetary gear are engaged with sun gear and tooth rest simultaneously, and tooth rest has diameter
To stretching out the connecting lever that exert a force for user of upper cover, equipped with for gear between tooth rest and the terminal pad and/or upper cover
Frame applies the elastic component of reset force.
7. valve according to claim 6, it is characterised in that：The tooth rest includes gear ring and the spring installed for gear ring
Frame, spring(-supported) mount are annular slice structure, and the top of spring(-supported) mount is equipped with the positioning step sunk to for the bottom of gear ring, positioning step
Horizontal platform terrace is equipped with the gear ring connecting hole for connecting gear ring, connects equipped with terminal pad in the outside of positioning step on spring(-supported) mount
Connect hole；The connecting lever is arranged on spring(-supported) mount.
8. valve according to claim 7, it is characterised in that：The bottom of the spring(-supported) mount is connected close to each terminal pad
The position in hole is respectively equipped with a connecting piece, is connected on spring(-supported) mount on the inside of connection sheet, outside overhangs, the overhanging part of connection sheet
It is equipped with and corresponding connection sheet trepanning above and below terminal pad connection hole site；The elastic component is tension spring, and one end of tension spring is in
Between connection sheet and spring(-supported) mount and on the bolt that is connected in terminal pad connecting hole, the other end is connected in terminal pad close to connection
On the bolt of disk circumferential edge setting.
9. valve according to claim 8, it is characterised in that：The tension spring has multiple, and each tension spring is around the sun gear
Pivot center is arranged at equal intervals, and each tension spring is corresponding with a connection sheet respectively.
10. according to claim 6 to 9 any one of them valve, it is characterised in that：The sun gear and planetary gear all have tooth
Circle part and spindle portion, the upper cover and terminal pad are equipped with the gear mounting groove being rotatablely installed for spindle portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810590843.XA CN108506561A (en) | 2018-06-09 | 2018-06-09 | A kind of valve switch resetting apparatus and the valve using the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810590843.XA CN108506561A (en) | 2018-06-09 | 2018-06-09 | A kind of valve switch resetting apparatus and the valve using the device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108506561A true CN108506561A (en) | 2018-09-07 |
Family
ID=63403145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810590843.XA Pending CN108506561A (en) | 2018-06-09 | 2018-06-09 | A kind of valve switch resetting apparatus and the valve using the device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108506561A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022126881A1 (en) * | 2020-12-14 | 2022-06-23 | 福建西河卫浴科技有限公司 | Shower kit and tap thereof, and water diverter valve core |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000179743A (en) * | 1998-12-14 | 2000-06-27 | Fujikin Inc | Opening/closing display device for fluid controller |
| CN2637859Y (en) * | 2003-07-18 | 2004-09-01 | 财团法人金属工业研究发展中心 | Planetary valve hand wheel with position indicator |
| CN101796338A (en) * | 2007-08-15 | 2010-08-04 | 伍德沃德控制器公司 | Fail safe mechanism for valve using a cock and lock return spring |
| KR20110060290A (en) * | 2009-11-30 | 2011-06-08 | 주식회사 은하 | Spring return valve actuater with a group of planetary gears |
| CN102679002A (en) * | 2012-05-21 | 2012-09-19 | 江苏大学 | Automatic water braking valve |
| CN202852126U (en) * | 2012-09-20 | 2013-04-03 | 常州电站辅机总厂有限公司 | Angular travel electric executing mechanism |
| CN208311624U (en) * | 2018-06-09 | 2019-01-01 | 浙江欧菲石油设备有限公司 | A kind of valve switch resetting apparatus and the valve using the device |
-
2018
- 2018-06-09 CN CN201810590843.XA patent/CN108506561A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000179743A (en) * | 1998-12-14 | 2000-06-27 | Fujikin Inc | Opening/closing display device for fluid controller |
| CN2637859Y (en) * | 2003-07-18 | 2004-09-01 | 财团法人金属工业研究发展中心 | Planetary valve hand wheel with position indicator |
| CN101796338A (en) * | 2007-08-15 | 2010-08-04 | 伍德沃德控制器公司 | Fail safe mechanism for valve using a cock and lock return spring |
| KR20110060290A (en) * | 2009-11-30 | 2011-06-08 | 주식회사 은하 | Spring return valve actuater with a group of planetary gears |
| CN102679002A (en) * | 2012-05-21 | 2012-09-19 | 江苏大学 | Automatic water braking valve |
| CN202852126U (en) * | 2012-09-20 | 2013-04-03 | 常州电站辅机总厂有限公司 | Angular travel electric executing mechanism |
| CN208311624U (en) * | 2018-06-09 | 2019-01-01 | 浙江欧菲石油设备有限公司 | A kind of valve switch resetting apparatus and the valve using the device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022126881A1 (en) * | 2020-12-14 | 2022-06-23 | 福建西河卫浴科技有限公司 | Shower kit and tap thereof, and water diverter valve core |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2754932B1 (en) | Valve core assembly and valve adopting the valve core assembly | |
| CN110067922A (en) | A kind of intelligent mobile household monitoring system terminal device | |
| CN108506561A (en) | A kind of valve switch resetting apparatus and the valve using the device | |
| CN208311624U (en) | A kind of valve switch resetting apparatus and the valve using the device | |
| CN202039711U (en) | Slow falling mechanism for cover plate | |
| CN210196522U (en) | Spherical stop valve | |
| CN209688189U (en) | A kind of pressure-regulating valve | |
| GB2529489A (en) | Electric valve actuators | |
| CN111878591A (en) | Eccentric butterfly valve | |
| RU2641415C2 (en) | Two-speed manual drive of shut-off valves | |
| CN209385677U (en) | A kind of butterfly valve | |
| CN209557684U (en) | A kind of laborsaving light and handy wafer type butterfly valve | |
| CN219529933U (en) | Timing self-closing valve | |
| CN205938130U (en) | Butterfly valve that aperture scope can set up | |
| CN220505853U (en) | Flat gate valve | |
| CN207437821U (en) | A kind of manual fixing ball valve of double-body bike | |
| CN216640510U (en) | Canal valve for modern agricultural production irrigation of environmental protection | |
| CN207609860U (en) | A kind of worm gear fixing ball valve | |
| CN220688051U (en) | Stop valve case subassembly | |
| CN215059902U (en) | Manual clutch device of valve electric actuator | |
| CN110033692A (en) | A kind of planetary gear mechanism movement instructional device | |
| CN2913758Y (en) | Fast on-off gate valve | |
| CN210770371U (en) | Natural gas line safety valve | |
| CN219453044U (en) | Valve with multidirectional adjustable valve rod | |
| CN208907505U (en) | A kind of valve manual rotating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |