CN106764031A - A kind of full-automatic medical valve - Google Patents
A kind of full-automatic medical valve Download PDFInfo
- Publication number
- CN106764031A CN106764031A CN201710019389.8A CN201710019389A CN106764031A CN 106764031 A CN106764031 A CN 106764031A CN 201710019389 A CN201710019389 A CN 201710019389A CN 106764031 A CN106764031 A CN 106764031A
- Authority
- CN
- China
- Prior art keywords
- electric capacity
- resistance
- parts
- longitudinal runner
- transverse flow
- 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
- 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
- F16K37/0025—Electrical or magnetic means
- F16K37/005—Electrical or magnetic means for measuring fluid parameters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
-
- 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
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0218—Butterfly 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a kind of full-automatic medical valve, including valve body, valve body is made of macromolecular material, and valve body inner chamber is respectively equipped with transverse flow channels and longitudinal runner, and transverse flow channels are respectively fixed at two ends with first flange；Longitudinal runner is respectively fixed at two ends with second flange, and transverse flow channels inner chamber is provided with first flow sensor；Longitudinal runner inner chamber is provided with second flow sensor, transverse flow channels are provided with control valve with the center intersection of longitudinal runner, control valve center is provided with rotating shaft, the outside servomotor of rotating shaft connection, servomotor connection controller, is fixed with polylith butterfly plate on rotating shaft outer wall, structural principle of the present invention is simple, can realize automatically adjusting flow velocity, flow, high degree of automation improves operating efficiency；Additional valves body is made of macromolecular material, can extend its service life.
Description
Technical field
The present invention relates to valve technology field, specially a kind of full-automatic medical valve.
Background technology
Valve is in fluid system, for controlling the device of the direction of fluid, pressure, flow.Valve be make pipe arrangement and
Medium in equipment（Liquid, gas, powder）Flowing stops and can control the device of its flow, and valve is that pipeline fluid is conveyed
Control unit in system, it be for changing path section and media flow direction, with water conservancy diversion, cut-off, throttling, non-return, point
The function such as stream or overflow release, it is necessary to, it is necessary to people when adjusting flow velocity or flow during medical valve use of the prior art
Work is adjusted, and its automaticity is low, and medical valve is frequently necessary to sterilization, and get rusty easily corrosion, and service life is short.
The content of the invention
It is an object of the invention to provide a kind of full-automatic medical valve, with asking for solving to propose in above-mentioned background technology
Topic.
To achieve the above object, the present invention provides following technical scheme：A kind of full-automatic medical valve, including valve sheet
Body, the valve body is made of macromolecular material, and the valve body inner chamber is respectively equipped with transverse flow channels and longitudinal runner,
The transverse flow channels are respectively fixed at two ends with first flange；Longitudinal runner is respectively fixed at two ends with second flange, the horizontal stroke
First flow sensor is provided with to runner inner chamber；Longitudinal runner inner chamber is provided with second flow sensor, the transverse flow channels
Control valve is provided with the center intersection of longitudinal runner, the control valve center is provided with rotating shaft, the rotating shaft connection
Outside servomotor, the servomotor connects controller, and polylith butterfly plate is fixed with the rotating shaft outer wall；In the controller
It is provided with transducing signal and amplifies transport module, the sensor signal is amplified transport module and connects first flow sensor, the respectively
Two flow sensors.
Preferably, the macromolecular material includes fluorubber 30-60 parts, microwax 3-8 parts, nickel powder 4-8 by weight
Part, 3-6 parts of zirconium silicate whisker, 10-15 parts of silicic acid coupling agent, manganese-silicon 6-10 parts, rhodium sesquioxide 1-4 parts, rare earth ferrosilicon
4-8 parts, copper nanoparticle 4-8 parts.
Preferably, the butterfly plate sets 4-8 blocks.
Preferably, the transducing signal amplify transport module include operational amplifier, two-stage field-effect broad band amplifier with
And choking-winding, an input of the operational amplifier connects resistance B one end and electric capacity B one end, the electric capacity B other ends respectively
Ground connection, the resistance B other ends connect resistance A one end and electric capacity A one end, the output of electric capacity A other end concatenation operation amplifiers respectively
End, another input of operational amplifier connects resistance C one end and resistance D one end respectively, and resistance C other ends ground connection, resistance D is another
The output end of one end concatenation operation amplifier；First end connection electric capacity E one end of the two-stage field-effect broad band amplifier, electric capacity
E other ends connection resistance F one end, the output end of resistance F other end concatenation operation amplifiers, two-stage field-effect broad band amplifier
Second end connects electric capacity F one end, electric capacity G one end, electric capacity H one end respectively by choking-winding, and the electric capacity F other ends, electric capacity G are another
One end, the electric capacity H other ends are grounded, and the 3rd end of two-stage field-effect broad band amplifier is put by electric capacity D, resistance E concatenation operations
The output end of big device, the end of two-stage field-effect broad band amplifier the 4th ground connection.
Preferably, its application method is comprised the following steps：
A, liquid are flowed into from transverse flow channels and longitudinal runner respectively, and first flow sensor and second flow sensor are felt respectively
Answer the flow velocity of transverse flow channels and longitudinal runner；
Transducing signal in B, controller amplifies transverse flow speed signal and the longitudinal flow velocity signal amplification that transport module will be gathered, control
Device processed is analyzed treatment to signal；
If C, sensing that transverse flow speed or longitudinal flow velocity are too fast or excessively slow, controller controls servomotor forward or reverse, and
Control rotating speed；
D, servomotor rotate the axis of rotation driven in control valve, so as to drive butterfly plate to rotate, carry out coutroi velocity.
Compared with prior art, the beneficial effects of the invention are as follows：
（1）Structural principle of the present invention is simple, the flow velocity of liquid, flow velocity of the controller according to collection in flow sensor sensing runner
Signal automatically adjusts the forward or reverse of control valve such that it is able to which realization automatically adjusts flow velocity, flow, high degree of automation,
Improve operating efficiency.
（2）Valve body of the invention is made of macromolecular material, its composition environment-protecting asepsis, pollution-free, will not convection current
The liquid crossed produces pollution, while its service life can also be extended.
（3）The transducing signal that the present invention is used amplifies transport module strong antijamming capability, can realize the signal to gathering
It is amplified, and the distortion factor is low, can further improve control valve control efficiency.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is control valve front view of the invention；
Fig. 3 is that transducing signal of the invention amplifies transport module schematic diagram；
In figure：1st, valve body；2nd, transverse flow channels；3rd, longitudinal runner；4th, first flange；5th, second flange；6th, first flow is passed
Sensor；7th, second flow sensor；8th, control valve；9th, rotating shaft；10th, servomotor；11st, controller；12nd, butterfly plate；13rd, computing
Amplifier；14th, two-stage field-effect broad band amplifier；15th, choking-winding；141st, first end；142nd, the second end；143rd, the 3rd end；
144th, the 4th end；1a, resistance A；2a, resistance B；3a, resistance C；4a, resistance D；5a, resistance E；6a, resistance F；1b, electric capacity A；2b、
Electric capacity B；3b, electric capacity C；4b, electric capacity D；5b, electric capacity E；6b, electric capacity F；7b, electric capacity G；8b, electric capacity H.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-3 are referred to, the present invention provides a kind of technical scheme：A kind of full-automatic medical valve, including valve body 1,
Valve body 1 is made of macromolecular material, and the inner chamber of valve body 1 is respectively equipped with transverse flow channels 2 and longitudinal runner 3, laterally stream
Road 1 is respectively fixed at two ends with first flange 4；Longitudinal runner 3 is respectively fixed at two ends with second flange 5, and the inner chamber of transverse flow channels 2 is provided with
First flow sensor 6；The inner chamber of longitudinal runner 3 is provided with second flow sensor 7, and transverse flow channels 2 are handed over the center of longitudinal runner 3
Control valve 8 is provided with boundary, the center of control valve 8 is provided with rotating shaft 9, and rotating shaft 9 connects outside servomotor 10, and servomotor 10 connects
Controller 11 is connect, polylith butterfly plate 12 is fixed with the outer wall of rotating shaft 9, butterfly plate 12 sets 4-8 blocks；Transducing signal is provided with controller 11
Amplify transport module, sensor signal is amplified transport module and connects first flow sensor 6, second flow sensor 7 respectively.
In the present embodiment, macromolecular material includes fluorubber 30-60 parts, microwax 3-8 parts, nickel powder 4-8 by weight
Part, 3-6 parts of zirconium silicate whisker, 10-15 parts of silicic acid coupling agent, manganese-silicon 6-10 parts, rhodium sesquioxide 1-4 parts, rare earth ferrosilicon
4-8 parts, copper nanoparticle 4-8 parts, valve body of the invention is made of macromolecular material, its composition environment-protecting asepsis, pollution-free,
Pollution will not be produced to the liquid for flowing through, while its service life can also be extended.
In the present embodiment, transducing signal amplifies transport module includes operational amplifier 13, two-stage field-effect broad band amplifier
14 and choking-winding 15, an input of operational amplifier 13 connects resistance B 2a one end and electric capacity B 2b one end respectively,
The electric capacity B 2b other ends are grounded, and the resistance B 2a other ends connect resistance A 1a one end and electric capacity A 1b one end, electric capacity A 1b respectively
The output end of other end concatenation operation amplifier 13, another input of operational amplifier 13 connect respectively resistance C 3a one end and
Resistance D 4a one end, resistance C 3a other ends ground connection, the output end of resistance D 4a other end concatenation operations amplifier 13；Two-stage
The connection electric capacity E 5b of first end 141 one end of effect broad band amplifier 14, electric capacity E 5b other ends connection resistance F 6a one end, electricity
The output end of resistance F 6a other end concatenation operations amplifier 13, the second end 142 of two-stage field-effect broad band amplifier 14 is by gripping
Streamline circle 15 connects electric capacity F 6b one end, electric capacity G 7b one end, electric capacity H 8b one end, and the electric capacity F 6b other ends, electric capacity G respectively
The 7b other ends, the electric capacity H 8b other ends are grounded, the 3rd end 143 of two-stage field-effect broad band amplifier 14 by electric capacity D 4b,
The output end of resistance E 5a concatenation operations amplifier 13, the end 144 of two-stage field-effect broad band amplifier 14 the 4th is grounded.Operation amplifier
Device 13 is processed signal, it is ensured that the quality of transmission signal, and signal message is amplified into 2 times by feedback principle, then
The two-stage field-effect broad band amplifier 14 for passing to again below carries out secondary amplification to signal again, finally again by signal output,
The transducing signal that the present invention is used amplifies transport module strong antijamming capability, can realize being amplified the signal for gathering, and
The distortion factor is low, can further improve control valve control efficiency.
Application method of the invention is comprised the following steps：
A, liquid are flowed into from transverse flow channels 2 and longitudinal runner 3 respectively, 7 points of first flow sensor 6 and second flow sensor
The flow velocity of other induced lateral runner and longitudinal runner；
Transducing signal in B, controller 11 amplifies transverse flow speed signal and the longitudinal flow velocity signal amplification that transport module will be gathered,
Controller 11 is analyzed treatment to signal；
If C, sensing that transverse flow speed or longitudinal flow velocity are too fast or excessively slow, controller 11 controls servomotor 10 to rotate forward or instead
Turn, and control rotating speed；
D, servomotor 10 are rotated and drive the rotating shaft 9 in control valve to rotate, so as to drive butterfly plate 12 to rotate, carry out coutroi velocity.
Structural principle of the present invention is simple, the flow velocity of liquid, stream of the controller according to collection in flow sensor sensing runner
Fast signal automatically adjusts the forward or reverse of control valve such that it is able to which realization automatically adjusts flow velocity, flow, automaticity
Height, improves operating efficiency.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (5)
1. a kind of full-automatic medical valve, including valve body（1）, it is characterised in that：The valve body（1）Using high score
Sub- material is made, the valve body（1）Inner chamber is respectively equipped with transverse flow channels（2）With longitudinal runner（3）, the transverse flow channels
（1）It is respectively fixed at two ends with first flange（4）；Longitudinal runner（3）It is respectively fixed at two ends with second flange（5）, the horizontal stroke
To runner（2）Inner chamber is provided with first flow sensor（6）；Longitudinal runner（3）Inner chamber is provided with second flow sensor（7）,
The transverse flow channels（2）With longitudinal runner（3）Center intersection be provided with control valve（8）, the control valve（8）In
The heart is provided with rotating shaft（9）, the rotating shaft（9）The outside servomotor of connection（10）, the servomotor（10）Connection controller（11）,
The rotating shaft（9）Polylith butterfly plate is fixed with outer wall（12）；The controller（11）Inside it is provided with transducing signal and amplifies transport module,
The sensor signal is amplified transport module and connects first flow sensor respectively（6）, second flow sensor（7）.
2. a kind of full-automatic medical valve according to claim 1, it is characterised in that：The macromolecular material is by weight
Number include fluorubber 30-60 parts, microwax 3-8 parts, nickel powder 4-8 parts, 3-6 parts of zirconium silicate whisker, 10-15 parts of silicic acid coupling agent,
Manganese-silicon 6-10 parts, rhodium sesquioxide 1-4 parts, rare earth ferrosilicon 4-8 parts, copper nanoparticle 4-8 parts.
3. a kind of full-automatic medical valve according to claim 1, it is characterised in that：The butterfly plate（12）4-8 blocks are set.
4. a kind of full-automatic medical valve according to claim 1, it is characterised in that：The transducing signal amplifies transmission mould
Block includes operational amplifier（13）, two-stage field-effect broad band amplifier（14）And choking-winding（15）, the operational amplifier
（13）An input connect resistance B respectively（2a）One end and electric capacity B（2b）One end, electric capacity B（2b）The other end is grounded, resistance
B（2a）The other end connects resistance A respectively（1a）One end and electric capacity A（1b）One end, electric capacity A（1b）Other end concatenation operation amplifier
（13）Output end, operational amplifier（13）Another input connect resistance C respectively（3a）One end and resistance D（4a）One end,
Resistance C（3a）The other end is grounded, resistance D（4a）Other end concatenation operation amplifier（13）Output end；The two-stage field-effect
Broad band amplifier（14）First end（141）Connection electric capacity E（5b）One end, electric capacity E（5b）Other end connection resistance F（6a）One
End, resistance F（6a）Other end concatenation operation amplifier（13）Output end, two-stage field-effect broad band amplifier（14）The second end
（142）By choking-winding（15）Electric capacity F is connected respectively（6b）One end, electric capacity G（7b）One end, electric capacity H（8b）One end, and electric capacity
F（6b）The other end, electric capacity G（7b）The other end, electric capacity H（8b）The other end is grounded, two-stage field-effect broad band amplifier（14）'s
3rd end（143）By electric capacity D（4b）, resistance E（5a）Concatenation operation amplifier（13）Output end, two-stage field-effect broadband is put
Big device（14）4th end（144）Ground connection.
5. a kind of full-automatic medical valve according to claim 1, it is characterised in that：Its application method includes following step
Suddenly：
A, liquid are respectively from transverse flow channels（2）With longitudinal runner（3）Middle inflow, first flow sensor（6）Passed with second flow
Sensor（7）It is respectively induced the flow velocity of transverse flow channels and longitudinal runner；
B, controller（11）In transducing signal amplify transport module and put the transverse flow speed signal of collection and longitudinal flow velocity signal
Greatly, controller（11）Treatment is analyzed to signal；
If C, sensing that transverse flow speed or longitudinal flow velocity are too fast or excessively slow, controller（11）Control servomotor（10）Rotate forward or
Reversion, and control rotating speed；
D, servomotor（10）Rotate the rotating shaft driven in control valve（9）Rotate, so as to drive butterfly plate（12）Rotate to control
Flow velocity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710019389.8A CN106764031A (en) | 2017-01-11 | 2017-01-11 | A kind of full-automatic medical valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710019389.8A CN106764031A (en) | 2017-01-11 | 2017-01-11 | A kind of full-automatic medical valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106764031A true CN106764031A (en) | 2017-05-31 |
Family
ID=58947746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710019389.8A Pending CN106764031A (en) | 2017-01-11 | 2017-01-11 | A kind of full-automatic medical valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106764031A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1338775A2 (en) * | 2002-02-22 | 2003-08-27 | Pierburg GmbH | Motor drive for an electronically commutated motor |
| FR2927429A1 (en) * | 2008-02-08 | 2009-08-14 | Peugeot Citroen Automobiles Sa | Mobile closing element e.g. cork, position controlling element for drive train, involves determining positioning command, and completing displacement command by combining two positioning commands with each other |
| CN102382403A (en) * | 2011-10-27 | 2012-03-21 | 安徽金源流体控制技术有限公司 | Rubber valve body composite material and preparation method thereof |
| CN102432962A (en) * | 2011-10-27 | 2012-05-02 | 安徽金源流体控制技术有限公司 | Rubber valve body composite material and preparation method thereof |
| CN103672100A (en) * | 2012-09-17 | 2014-03-26 | 昆山尚达智机械有限公司 | Novel speed control valve |
| CN104588641A (en) * | 2014-12-25 | 2015-05-06 | 铜陵市经纬流体科技有限公司 | Zirconium silicate whisker reinforced valve material and preparation method thereof |
| CN205424031U (en) * | 2016-03-18 | 2016-08-03 | 浙江汉诺软件有限公司 | Based on thing networking intelligent valve switching device |
| CN105825587A (en) * | 2016-06-14 | 2016-08-03 | 江苏准信自动化科技股份有限公司 | Full-automatic object storing and taking system |
| CN106094778A (en) * | 2016-08-30 | 2016-11-09 | 中天科技装备电缆有限公司 | A kind of intelligent production operation system and using method |
-
2017
- 2017-01-11 CN CN201710019389.8A patent/CN106764031A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1338775A2 (en) * | 2002-02-22 | 2003-08-27 | Pierburg GmbH | Motor drive for an electronically commutated motor |
| FR2927429A1 (en) * | 2008-02-08 | 2009-08-14 | Peugeot Citroen Automobiles Sa | Mobile closing element e.g. cork, position controlling element for drive train, involves determining positioning command, and completing displacement command by combining two positioning commands with each other |
| CN102382403A (en) * | 2011-10-27 | 2012-03-21 | 安徽金源流体控制技术有限公司 | Rubber valve body composite material and preparation method thereof |
| CN102432962A (en) * | 2011-10-27 | 2012-05-02 | 安徽金源流体控制技术有限公司 | Rubber valve body composite material and preparation method thereof |
| CN103672100A (en) * | 2012-09-17 | 2014-03-26 | 昆山尚达智机械有限公司 | Novel speed control valve |
| CN104588641A (en) * | 2014-12-25 | 2015-05-06 | 铜陵市经纬流体科技有限公司 | Zirconium silicate whisker reinforced valve material and preparation method thereof |
| CN205424031U (en) * | 2016-03-18 | 2016-08-03 | 浙江汉诺软件有限公司 | Based on thing networking intelligent valve switching device |
| CN105825587A (en) * | 2016-06-14 | 2016-08-03 | 江苏准信自动化科技股份有限公司 | Full-automatic object storing and taking system |
| CN106094778A (en) * | 2016-08-30 | 2016-11-09 | 中天科技装备电缆有限公司 | A kind of intelligent production operation system and using method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104534164B (en) | Efficient control flow speed valve | |
| CN206847975U (en) | A kind of agricultural planting Soil K+adsorption sampler | |
| CN102528339A (en) | Ventilating system for adjusting welding station | |
| CN106764031A (en) | A kind of full-automatic medical valve | |
| CN206608390U (en) | A kind of electro-hydraulic proportional valve amplification control system | |
| CN206545729U (en) | A kind of high class gear adjusts floating ball valve device | |
| CN204647500U (en) | The traversing throttle valve of a kind of electric double-way | |
| CN108176461A (en) | A kind of medical drug grinding device | |
| CN212132481U (en) | Centrifugal fan export "ox horn type" cigarette wind channel structure | |
| CN204462083U (en) | A kind of Ultrasonic Nondestructive being applicable to steam turbine welded disc turbine rotor drives platform | |
| CN104976481B (en) | Adjustable self-stabilization flow velocity reducer for pipe | |
| CN107328905A (en) | A kind of easy to operate water quality detecting device | |
| CN208294866U (en) | A kind of direct-drive type proportional servo valve | |
| CN206660791U (en) | A kind of negative pressure workshop exhausting air cleaner | |
| CN107036222A (en) | A kind of blower conveying system | |
| CN205308470U (en) | Ball mill with self -bleeding device | |
| CN201950387U (en) | Ventilation system for adjusting welding station | |
| CN206429737U (en) | Four valve linkage control devices | |
| CN207238225U (en) | A kind of hollow main shaft device for powder concentrator | |
| CN207298200U (en) | A kind of new super-large diameter bend pipe pressure balance type expansion joint | |
| CN206661829U (en) | Cleaning device is amplified in a kind of hole tubular type anemobiagraph blowback | |
| CN206309677U (en) | A kind of big flow servo valve | |
| CN208024498U (en) | It can be the device of rotating mechanical energy to convert water pressure | |
| CN105166310B (en) | A kind of atmospheric control for ice cream maker | |
| CN204522884U (en) | For the high-speed mixing device of nanometre glue gel material |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
|
| RJ01 | Rejection of invention patent application after publication |