CN109027380A - A kind of remote controlled gate valve - Google Patents
A kind of remote controlled gate valve Download PDFInfo
- Publication number
- CN109027380A CN109027380A CN201811047568.3A CN201811047568A CN109027380A CN 109027380 A CN109027380 A CN 109027380A CN 201811047568 A CN201811047568 A CN 201811047568A CN 109027380 A CN109027380 A CN 109027380A
- Authority
- CN
- China
- Prior art keywords
- valve
- fixedly connected
- relay
- gate valve
- remote controlled
- 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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
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- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
- F16K41/04—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing
Abstract
The invention discloses a kind of remote controlled gate valves, including valve body and valve deck, valve body is fixedly connected with valve deck by the first screw rod and the first nut, the center rotating of valve deck is connected with valve rod, one end of valve rod is fixedly connected with flashboard by fixed block, the top of valve deck is by being fixedly connected with fixed lid, the side of fixed lid inner wall is fixedly connected with motor, the inner wall level of fixed lid is fixedly connected with support plate, the top side of support plate is fixedly connected with communication device, the top of support plate is fixedly connected with rectifier far from the side of communication device, the present invention relates to gate valve technical fields.This kind of remote controlled gate valve, it solves remoter to the installation site of some gate valves, when needing to operate gate valve, worker, which needs to walk at gate valve, to be operated, poor in timeliness, it hurries back and forth back and forth and needs to spend longer time, and need manual hand manipulation, time-consuming and laborious problem when existing gate valve opening and closing gate valve.
Description
Technical field
The present invention relates to gate valve technical field, specially a kind of remote controlled gate valve.
Background technique
Gate valve is an opening and closing element flashboard, and the direction of motion and flow direction of flashboard are perpendicular, gate valve can only make standard-sized sheet and
Quan Guan cannot make adjustments and throttle.In gate valve, closure member (that is, flap) edge and valve seat central axis are driven by valve rod
Direction it is mobile to cut off and open the media flow in pipeline.Gate valve be commonly available to flap standard-sized sheet to be kept or it is fully closed without
The operating condition for needing often to open and close.The characteristics of gate valve is: standard-sized sheet fluid resistance is small；Opening and closing laborsaving (does not include that sealing surface is bitten
Special circumstances)；It can be used in the case where medium two-way flow, without directionality；Sealing surface is not easily susceptible to erosion when standard-sized sheet；
Structure length is short, is not only suitable for doing the small valve of size, and is suitble to do the big valve of size.
The installation site of some gate valves is remoter, and when needing to operate gate valve, worker needs to walk at gate valve
It is operated, poor in timeliness, hurries back and forth need to spend longer time back and forth, and need people when existing gate valve opening and closing gate valve
Work manual operation, it is time-consuming and laborious.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of remote controlled gate valve, solves to some gate valves
Installation site it is remoter, when needing to operate gate valve, worker, which needs to walk at gate valve, to be operated, timeliness
Difference hurries back and forth need to spend longer time back and forth, and needs manual hand manipulation when existing gate valve opening and closing gate valve, time-consuming
Laborious problem.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of remote controlled gate valve, packet
Valve body and valve deck are included, the valve body is fixedly connected with valve deck by the first screw rod and the first nut, the center rotating of the valve deck
It is connected with valve rod, the threaded one end of the valve rod is connected with fixed block, and the bottom of the fixed block is fixedly connected with flashboard, described
Valve rod is fixedly connected with mounting flange far from one end of fixed block, and the top of the valve deck is solid by the second screw rod and the second nut
Surely it is connected with fixed lid, the side of the fixed lid inner wall is fixedly connected with motor, and the output shaft end of the motor is fixedly connected
There is driving gear, the driving gear engages connection with mounting flange, and the inner wall level of the fixed lid is fixedly connected with support
Plate, the top side of the support plate are fixedly connected with communication device, and the top of the support plate is far from the side of communication device
It is fixedly connected with rectifier, the end of incoming cables of the rectifier is connected with cable, the top of the support plate and is located at communication device
Being fixedly connected sequentially between transformer has transformer, the first relay and the second relay.
Preferably, the communication device includes cabinet, and the inside of the cabinet is fixedly connected with circuit board, the circuit board
Surface be fixedly connected with 4G communication module, the side of the 4G communication module is fixedly connected with sim card slot, the circuit board
Surface, which is fixedly connected sequentially, signal processor, controller.
Preferably, the signal input part connection of the signal output end and signal processor of the 4G communication module, the letter
The signal output end of number processor and the input terminal of controller connect, the output end of the controller and the first relay and second
The coil of relay connects.
Preferably, the end of incoming cables of the rectifier is connect with the end of incoming cables of the first relay and the second relay, described whole
The power end of the leading-out terminal and communication device that flow device connects, and the leading-out terminal of first relay and the second relay is and motor
Terminals connection, the terminals of the terminals connection type of second relay and motor and the first relay and motor connect
It is opposite to connect mode.
Preferably, washer, the inner wall side of the valve deck and the table for being located at valve rod are provided between the valve body and valve deck
Face is fixedly connected with thrust pad, and the surface pivots of the valve rod are connected with thrust, the inner wall of the valve deck and is located at thrust pad
Screw top is connected with Thrust nut.
Preferably, be provided with the first O-ring between the thrust pad and the surface of valve rod, the thrust pad and valve deck it is interior
It is provided with the second O-ring between wall, third O-ring, the thrust spiral shell are provided between the Thrust nut and the surface of valve rod
The 4th O-ring is provided between the female and inner wall of valve deck.
Preferably, the surface of the valve rod offers the card slot being adapted to thrust.
Preferably, the two sides of the gate panel surface offer sliding slot, and the inside of the flashboard is offered to be adapted to valve rod
Through-hole.
Preferably, the tooth socket being adapted to driving gear is offered at the top of the mounting flange.
(3) beneficial effect
The present invention provides a kind of remote controlled gate valves.Have it is following the utility model has the advantages that
(1), this kind of remote controlled gate valve is connected by valve body and valve deck by the way that the first screw rod and the first nut are fixed
It connects, the center rotating of the valve deck is connected with valve rod, and the threaded one end of the valve rod is connected with fixed block, the bottom of the fixed block
Portion is fixedly connected with flashboard, and the valve rod is fixedly connected with mounting flange far from one end of fixed block, and the top of the valve deck is logical
It crosses the second screw rod and the second nut is fixedly connected with fixed lid, the side of the fixed lid inner wall is fixedly connected with motor, described
The output shaft end of motor is fixedly connected with driving gear, and the driving gear engages connection with mounting flange, can pass through motor
It is rotated when rotation band ovable valve stem, to drive the movement of flashboard, realizes the opening and closing of gate valve, avoid manual operation, saved labor
Power improves working efficiency.
(2), this kind of remote controlled gate valve, by communication device, the top of the support plate is far from communication device
Side is fixedly connected with rectifier, and the end of incoming cables of the rectifier is connected with cable, the top of the support plate and is located at communication
Being fixedly connected sequentially between device and transformer has transformer, the first relay and the second relay, and communication device includes cabinet,
The inside of the cabinet is fixedly connected with circuit board, and the surface of the circuit board is fixedly connected with 4G communication module, and the 4G is logical
The side of letter module is fixedly connected with sim card slot, and the surface of the circuit board, which is fixedly connected sequentially, signal processor, control
Device receives control signal using 4G communication module, is controlled by signal processor and controller motor, realize gate valve
Opening and closing, has achieved the purpose that long-range control gate valve, has controlled in time gate valve, improved work efficiency.
Detailed description of the invention
Fig. 1 is overall structure cross-sectional view of the present invention；
Fig. 2 is enlarged drawing at A in Fig. 1 of the present invention；
Fig. 3 is the structural schematic diagram of communication device of the present invention；
Fig. 4 is control principle block diagram of the present invention；
Fig. 5 is the structural schematic diagram of flashboard of the present invention；
Fig. 6 is the structural schematic diagram of mounting flange of the present invention.
In figure: 1- valve body, 2- valve deck, the first screw rod of 3-, the first nut of 4-, 5- valve rod, 6- fixed block, 7- flashboard, 8- peace
Fill the fixed lid of flange, the second screw rod of 9-, the second nut of 10-, 11-, 12- motor, 13- driving gear, 14- support plate, 15- communication
Device, 151- cabinet, 152-4G communication module, 153-SIM card slot, 154- processor, 155- controller, 156- circuit board, 16-
Rectifier, 17- cable, 18- transformer, the first relay of 19-, the second relay of 20-, 21- washer, 22- thrust pad, 23- stop
It pushes away, 24- Thrust nut, the first O-ring of 25-, the second O-ring of 26-, 27- third O-ring, the 4th O-ring of 28-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6 is please referred to, the present invention provides a kind of technical solution: a kind of remote controlled gate valve, including valve body 1 and valve
Lid 2, valve body 1 are fixedly connected with valve deck 2 by the first screw rod 3 and the first nut 4, and the center rotating of valve deck 2 is connected with valve rod 5,
The threaded one end of valve rod 5 is connected with fixed block 6, and the bottom of fixed block 6 is fixedly connected with flashboard 7, is driven by the rotation of valve rod 5
Fixed block 6 is mobile, to drive flashboard 7 mobile；Valve rod 5 is fixedly connected with mounting flange 8, valve deck 2 far from one end of fixed block 6
Top fixed lid 11 is fixedly connected with by the second screw rod 9 and the second nut 10, the side of fixed 11 inner wall of lid is fixedly connected
There is motor 12, the output shaft end of motor 12 is fixedly connected with driving gear 13, gear 13 is driven to engage connection with mounting flange 8,
Motor 12 is rotated by driving gear 13 with ovable valve stem 5.The inner wall level of fixed lid 11 is fixedly connected with support plate 14, support plate
14 top side is fixedly connected with communication device 15, and the top of support plate 14 is fixedly connected with far from the side of communication device 15
Rectifier 16, the end of incoming cables of rectifier 16 are connected with cable 17, the top of support plate 14 and are located at communication device 15 and transformer
Being fixedly connected sequentially between 16 has transformer 18, the first relay 19 and the second relay 20, long-range to realize the positive and negative of motor 12
Turn.
Communication device 15 includes cabinet 151, and the inside of cabinet 151 is fixedly connected with circuit board 156, the table of circuit board 156
Face is fixedly connected with 4G communication module 152, and the side of 4G communication module 152 is fixedly connected with sim card slot 153, circuit board 156
Surface, which is fixedly connected sequentially, signal processor 154, controller 155, the signal output end and signal processing of 4G communication module 152
The signal input part of device 154 connects, and the signal output end of signal processor 154 is connect with the input terminal of controller 155, controller
155 output end is connect with the coil of the first relay 19 and the second relay 20, receives signal control by 4G communication module 152
Make the first relay 19 or the second relay 20.
The end of incoming cables of rectifier 16 is connect with the end of incoming cables of the first relay 19 and the second relay 20, and rectifier 16 goes out
Line end is connect with the power end of communication device 15, and alternating current is changed into direct current, the first relay 19 and the second relay 20
Leading-out terminal is connect with the terminals of motor 12, the terminals connection type and the first relay of the second relay 20 and motor 12
19 and motor 12 terminals connection type on the contrary, realizing the positive and negative rotation of motor 12.
It is provided with washer 21 between valve body 1 and valve deck 2, the inner wall side of the valve deck 2 and surface for being located at valve rod 5 is fixedly connected
There is thrust pad 22, the surface pivots of valve rod 5 are connected with thrust 23, the inner wall of valve deck 2 and the screw top company for being located at thrust pad 22
It is connected to Thrust nut 24, the first O-ring 25 is provided between thrust pad 22 and the surface of valve rod 5, thrust pad 22 is interior with valve deck 2
It is provided with the second O-ring 26 between wall, third O-ring 27, Thrust nut are provided between Thrust nut 24 and the surface of valve rod 5
It is provided with the 4th O-ring 28 between 24 and the inner wall of valve deck 2, realizes sealing, prevents from revealing.
The surface of valve rod 5 offers the card slot being adapted to thrust 23.
The two sides on 7 surface of flashboard offer sliding slot, and the inside of flashboard 7 offers the through-hole being adapted to valve rod 5.
The top of mounting flange 8 offers the tooth socket being adapted to driving gear 13.
When work, information is received by 4G communication module 152, received information is transmitted at signal by 4G communication module 152
Device 154 is managed, the classification of signal is read, the classification of identification is then transmitted to controller 155, controller 155 is according to the classification of signal
Different relays is controlled, if open signal, starts the first relay 19, the first relay 19 is connecting circuit motor 12 just
Turn, motor 12 is rotated by driving gear 13 with ovable valve stem 5, to drive flashboard 7 to rise by fixed block 6, opens gate valve；If
For shutdown signal, start the second relay 20, the second relay 20 is connected circuit motor 12 and inverted, and motor 12 passes through driving gear
13 band ovable valve stems 5 rotate, thus drive flashboard 7 to decline by fixed block 6, closing gate valve.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of remote controlled gate valve, including valve body (1) and valve deck (2), it is characterised in that: the valve body (1) and valve deck
(2) it is fixedly connected by the first screw rod (3) with the first nut (4), the center rotating of the valve deck (2) is connected with valve rod (5), institute
The threaded one end for stating valve rod (5) is connected with fixed block (6), and the bottom of the fixed block (6) is fixedly connected with flashboard (7), described
Valve rod (5) is fixedly connected with mounting flange (8) far from the one end of fixed block (6), and the top of the valve deck (2) passes through the second screw rod
(9) and the second nut (10) is fixedly connected with fixed lid (11), and the side of described fixed lid (11) inner wall is fixedly connected with motor
(12), the output shaft end of the motor (12) is fixedly connected with driving gear (13), the driving gear (13) and mounting flange
(8) the inner wall level of engagement connection, the fixed lid (11) is fixedly connected with support plate (14), the top of the support plate (14)
Side is fixedly connected with communication device (15), and the top of the support plate (14) is fixedly connected far from the side of communication device (15)
Have rectifier (16), the end of incoming cables of the rectifier (16) is connected with cable (17), the top of the support plate (14) and is located at
Being fixedly connected sequentially between communication device (15) and transformer (16) has transformer (18), the first relay (19) and the second relay
Device (20).
2. the remote controlled gate valve of one kind according to claim 1, it is characterised in that: the communication device (15) includes
The inside of cabinet (151), the cabinet (151) is fixedly connected with circuit board (156), and the surface of the circuit board (156) is fixed
It is connected with 4G communication module (152), the side of the 4G communication module (152) is fixedly connected with sim card slot (153), the electricity
The surface of road plate (156), which is fixedly connected sequentially, signal processor (154), controller (155).
3. the remote controlled gate valve of one kind according to claim 1 or 2, it is characterised in that: the 4G communication module
(152) signal output end is connect with the signal input part of signal processor (154), the signal of the signal processor (154)
Output end is connect with the input terminal of controller (155), the output end and the first relay (19) and second of the controller (155)
The coil of relay (20) connects.
4. the remote controlled gate valve of one kind according to claim 1, it is characterised in that: the inlet wire of the rectifier (16)
End connect with the end of incoming cables of the first relay (19) and the second relay (20), the leading-out terminal of the rectifier (16) with communicate fill
Set the power end connection of (15), the leading-out terminal of first relay (19) and the second relay (20) connects with motor (12)
The terminals connection type and the first relay (19) and motor of line end connection, second relay (20) and motor (12)
(12) terminals connection type is opposite.
5. the remote controlled gate valve of one kind according to claim 1, it is characterised in that: the valve body (1) and valve deck (2)
Between be provided with washer (21), the inner wall side of the valve deck (2) and be located at valve rod (5) surface be fixedly connected with thrust pad
(22), the surface pivots of the valve rod (5) are connected with thrust (23), the inner wall of the valve deck (2) and are located at thrust pad (22)
Screw top is connected with Thrust nut (24).
6. the remote controlled gate valve of one kind according to claim 5, it is characterised in that: the thrust pad (22) and valve rod
(5) it is provided between surface the first O-ring (25), is provided with the 2nd O between the thrust pad (22) and the inner wall of valve deck (2)
Type circle (26) is provided with third O-ring (27), the Thrust nut between the Thrust nut (24) and the surface of valve rod (5)
(24) the 4th O-ring (28) is provided between the inner wall of valve deck (2).
7. the remote controlled gate valve of one kind according to claim 5, it is characterised in that: open on the surface of the valve rod (5)
Equipped with the card slot being adapted to thrust (23).
8. the remote controlled gate valve of one kind according to claim 1, it is characterised in that: the two of flashboard (7) surface
Side offers sliding slot, and the inside of the flashboard (7) offers the through-hole being adapted to valve rod (5).
9. the remote controlled gate valve of one kind according to claim 1, it is characterised in that: the top of the mounting flange (8)
Portion offers the tooth socket being adapted to driving gear (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811047568.3A CN109027380A (en) | 2018-09-10 | 2018-09-10 | A kind of remote controlled gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811047568.3A CN109027380A (en) | 2018-09-10 | 2018-09-10 | A kind of remote controlled gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109027380A true CN109027380A (en) | 2018-12-18 |
Family
ID=64620901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811047568.3A Pending CN109027380A (en) | 2018-09-10 | 2018-09-10 | A kind of remote controlled gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109027380A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905047A (en) * | 2019-12-10 | 2020-03-24 | 江苏双益给排水有限公司 | Secondary water supply system without negative pressure |
| CN112923081A (en) * | 2021-01-20 | 2021-06-08 | 江苏金卓能技术有限公司 | Remote-controlled communication pipeline plug device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101040133B1 (en) * | 2010-12-30 | 2011-06-09 | 민성기 | Vavle actuator control system |
| CN205678155U (en) * | 2016-06-17 | 2016-11-09 | 嵊州市龙威阀门有限公司 | A kind of gate valve |
| CN206112209U (en) * | 2016-07-07 | 2017-04-19 | 黄山良业阀门有限公司 | Intelligent valve electric actuator's of non -invasive control system |
| CN206754430U (en) * | 2017-05-23 | 2017-12-15 | 铜陵爱阀科技有限公司 | From pressure-releasing type inside screw nonrising stem type gate valve |
| CN107524854A (en) * | 2017-09-21 | 2017-12-29 | 安徽荣达阀门有限公司 | A kind of remote controlled gate valve |
-
2018
- 2018-09-10 CN CN201811047568.3A patent/CN109027380A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101040133B1 (en) * | 2010-12-30 | 2011-06-09 | 민성기 | Vavle actuator control system |
| CN205678155U (en) * | 2016-06-17 | 2016-11-09 | 嵊州市龙威阀门有限公司 | A kind of gate valve |
| CN206112209U (en) * | 2016-07-07 | 2017-04-19 | 黄山良业阀门有限公司 | Intelligent valve electric actuator's of non -invasive control system |
| CN206754430U (en) * | 2017-05-23 | 2017-12-15 | 铜陵爱阀科技有限公司 | From pressure-releasing type inside screw nonrising stem type gate valve |
| CN107524854A (en) * | 2017-09-21 | 2017-12-29 | 安徽荣达阀门有限公司 | A kind of remote controlled gate valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905047A (en) * | 2019-12-10 | 2020-03-24 | 江苏双益给排水有限公司 | Secondary water supply system without negative pressure |
| CN112923081A (en) * | 2021-01-20 | 2021-06-08 | 江苏金卓能技术有限公司 | Remote-controlled communication pipeline plug device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |
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| RJ01 | Rejection of invention patent application after publication |