CN108426079A - A kind of automatic control type butterfly valve - Google Patents
A kind of automatic control type butterfly valve Download PDFInfo
- Publication number
- CN108426079A CN108426079A CN201810495370.5A CN201810495370A CN108426079A CN 108426079 A CN108426079 A CN 108426079A CN 201810495370 A CN201810495370 A CN 201810495370A CN 108426079 A CN108426079 A CN 108426079A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- plate
- automatic control
- control 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.)
- Pending
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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
-
- 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
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
-
- 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
- F16K47/00—Means in valves for absorbing fluid energy
-
- 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
- F16K49/00—Means in or on valves for heating or cooling
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention discloses a kind of automatic control type butterfly valves,Including driving mechanism,Handle,Valve deck,Sponge protection plate,Buffer unit,Pressure sensor,Dish plate,Radiator,Valve body,Sealing ring,Valve rod,Gasket seal,Control panel,Indicator light and PLC controller,The inside of the valve body is by being adhesively fixed with sealing ring,The side of the sealing ring has been bolted pressure sensor,It is bolted valve deck at the top of the valve body,And the insertion of the junction of valve deck and valve body is equipped with gasket seal,The valve rod passes through valve deck and valve body,And outside has been bolted dish plate,Handle is installed on the valve rod,The top of the valve rod is connected with driving mechanism,The side of the driving mechanism has been bolted control panel,Indicator light is installed at the top center of the control panel,The butterfly valve,It is strong with thermal diffusivity,The feature that buffer protection effect is good and intelligence degree is high.
Description
Technical field
The present invention relates to butterfly valve technical field, specially a kind of automatic control type butterfly valve.
Background technology
Butterfly valve is called flap valve, it can be used for the switch control of low pressure pipeline medium, and most of butterfly valves refer to that closure member is
Disk, and reach a kind of valve of open and close around valve shaft rotation.
Butterfly valve is one of the important execution unit in field of industrial automation control.It belongs to valve and motor regulated valve
In a branch, be widely used in weaving, power station, petrochemical industry, heating and refrigerating, pharmacy, shipbuilding, metallurgy, light industry and ring
The fields such as guarantor.It can be used as the stop valve, control valve and check-valves of pipe-line system.And in iron and steel metallurgy and shipbuilding industry, have
Very high popularity.
But in existing butterfly valve, there is a problem of that weak thermal diffusivity, buffer protection effect difference and intelligence degree are low.Often
The service life and using effect of butterfly valve sealing elements therein can be influenced because the medium temperature of inflow is excessively high, and work as and impacted
Or when vibration effect occurs, leakproofness when connection can be caused to be affected often, and the intelligence degree of most of butterfly valves is low.
Therefore, it is necessary to design the automatic control type butterfly valve that a kind of thermal diffusivity is strong, buffer protection effect is good and intelligence degree is high
's.
Invention content
The purpose of the present invention is to provide a kind of automatic control type butterfly valves, to solve mentioned above in the background art ask
Topic.
In order to solve the above technical problem, the present invention provides following technical solutions：A kind of automatic control type butterfly valve, including drive
Motivation structure, handle, valve deck, Sponge protection plate, buffer unit, pressure sensor, dish plate, radiator, valve body, sealing ring, valve
Bar, gasket seal, control panel, indicator light and PLC controller, the inside of the valve body are described by being adhesively fixed with sealing ring
The side of sealing ring has been bolted pressure sensor, and valve deck, and valve deck have been bolted at the top of the valve body
Junction insertion with valve body is equipped with gasket seal, and the valve rod passes through valve deck and valve body, and outside has been bolted
Dish plate is equipped with handle on the valve rod, and the top of the valve rod is connected with driving mechanism, and the side of the driving mechanism passes through
Bolt is fixed with control panel, and indicator light is equipped at the top center of the control panel, and the inside of the control panel is equipped with PLC
Controller, the both sides of the valve body are corresponding to be equipped with buffer unit, and is connected between adjacent two buffer units of homonymy
Sponge protection plate, the bottom of the valve body, which corresponds to, is equipped with radiator；
The radiator is made of heat absorbing sheet, heat emission hole, semiconductor chilling plate, cooling fan, heat dissipating housing and heating column, institute
The both sides for stating heat dissipating housing are uniformly provided with heat emission hole, and the side of the heat dissipating housing is by being adhesively fixed with heat absorbing sheet, the heat absorption
The side of piece is evenly distributed with heating column, and the side of the heating column is by being adhesively fixed with semiconductor chilling plate, the heat dissipation
Insertion is equipped with cooling fan at the other side center of cover；
The buffer unit is by column, fixed seat, sliding block, the first adjustable spring, buffering marble, reinforcing plate, sliding slot, second
The bottom interior wall of adjustable spring and motion bar composition, the fixed seat has been uniformly embedded into buffering marble, the top of the buffering marble
Portion is connected with the first flexible bullet by being adhesively fixed with reinforcing plate between the both ends and the both sides inner wall of fixed seat for strengthening plate
Spring offers sliding slot at the top center for strengthening plate, and the inside of the sliding slot, which corresponds to, is equipped with sliding block, and two sliding blocks it
Between be connected with the second adjustable spring, the top of the sliding block is connected with motion bar by articulate, and between two motion bars
It is connected with column, and column passes through fixed seat, the pressure sensor to be electrically connected the input terminal of PLC controller, the PLC controls
The output end of device processed is electrically connected indicator light and driving mechanism, and the control panel is electrically connected semiconductor chilling plate and cooling fan.
According to above-mentioned technical proposal, the PLC controller is a kind of Siemens S7-300 type controllers.
According to above-mentioned technical proposal, the contact position of the valve deck and valve body is coated with fluid sealant.
According to above-mentioned technical proposal, anti-skid chequer is carved in the outside of the handle.
According to above-mentioned technical proposal, by being adhesively fixed between the Sponge protection plate and valve body and buffer unit.
According to above-mentioned technical proposal, the radiator is flexibly connected with valve body by buckle.
According to above-mentioned technical proposal, the sealing ring and gasket seal are a kind of component of rubber material.
According to above-mentioned technical proposal, the motion bar is connect with column by articulate.
According to above-mentioned technical proposal, the valve body is externally coated with polyacrylic water-proof coating.
Compared with prior art, the advantageous effect of the invention reached is：
1：The present invention, by pressure sensor by the pressure signal transmission being collected into PLC controller, and when pressure signal is high
When the preset value of PLC controller, PLC controller controls indicator light flicker, indicates that medium imports the pipe that the butterfly valve is connected
In road, while PLC controller control driving mechanism work, dish plate is slowly opened so that flow of media substantially increases use
When convenience, help to improve the intelligence degree of the butterfly valve；
2：It when the temperature is excessively high, can first be worked by semiconductor chilling plate when importing medium in the butterfly valve institute connecting pipe, and
Carry out radiating treatment, convenient for reducing the butterfly in time in the heat transfer to semiconductor chilling plate for heat absorbing sheet being absorbed by heating column
The temperature of valve, is worked by cooling fan again later so that the inner air and outer air of heat dissipating housing circulates, and uniform in the both sides of heat dissipating housing
Heat emission hole is offered, heat-sinking capability is greatly improved, in case the medium temperature imported is excessively high and influences the butterfly valve inner sealing member
The service life and using effect of part, help to improve the thermal diffusivity of the butterfly valve；
3：When the butterfly valve is impacted or vibration effect occurs, it can lead to that Sponge protection plate is squeezed and column is inside
Movement can make the first adjustable spring deform upon, buffer marble and be extruded and second and during column inwardly moves
Adjustable spring is stretched, and cushioning effect first common by Sponge protection plate and buffering marble, the part which is subject to
External force absorbs, then by the common reply force effect of the first adjustable spring and the second adjustable spring, the part which is subject to
External force is offset, in order to avoid cause the butterfly valve to damage or shift when being connect with pipeline because the external force being subject to is excessive, Jin Erying
Whole leakproofness is rung, the buffer protection effect of the butterfly valve is helped to improve.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the construction for heat radiating device schematic diagram of the present invention；
Fig. 3 is the buffer unit structure schematic diagram of the present invention；
Fig. 4 is the control panel internal structure schematic diagram of the present invention；
In figure：1, driving mechanism；2, handle；3, valve deck；4, Sponge protection plate；5, buffer unit；6, pressure sensor；7、
Dish plate；8, radiator；9, valve body；10, sealing ring；11, valve rod；12, gasket seal；13, control panel；14, indicator light；15、
Heat absorbing sheet；16, heat emission hole；17, semiconductor chilling plate；18, cooling fan；19, heat dissipating housing；20, heating column；21, column；22, solid
Reservation；23, sliding block；24, the first adjustable spring；25, marble are buffered；26, strengthen plate；27, sliding slot；28, the second adjustable spring；
29, motion bar；30, PLC controller.
Specific implementation mode
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 describes, 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.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of automatic control type butterfly valve, including driving mechanism 1,
Handle 2, valve deck 3, Sponge protection plate 4, buffer unit 5, pressure sensor 6, dish plate 7, radiator 8, valve body 9, sealing ring 10,
The inside of valve rod 11, gasket seal 12, control panel 13, indicator light 14 and PLC controller 30, valve body 9 is close by being adhesively fixed with
The side of seal 10, sealing ring 10 has been bolted pressure sensor 6, and the top of valve body 9 has been bolted valve deck
3, and the junction insertion of valve deck 3 and valve body 9 is equipped with gasket seal 12, valve rod 11 passes through valve deck 3 and valve body 9, and external logical
It crosses bolt and is fixed with dish plate 7, handle 2 is installed on valve rod 11, the top of valve rod 11 is connected with driving mechanism 1, driving mechanism 1
Side has been bolted control panel 13, and indicator light 14, the inside of control panel 13 are equipped at the top center of control panel 13
PLC controller 30 is installed, the both sides correspondence of valve body 9 is equipped with buffer unit 5, and two buffer units 5 that homonymy is adjacent
Between be connected with Sponge protection plate 4, the bottom of valve body 9, which corresponds to, is equipped with radiator 8；
Radiator 8 is by heat absorbing sheet 15, heat emission hole 16, semiconductor chilling plate 17, cooling fan 18, heat dissipating housing 19 and heating column
20 compositions, the both sides of heat dissipating housing 19 are uniformly provided with heat emission hole 16, the side of heat dissipating housing 19 by being adhesively fixed with heat absorbing sheet 15,
The side of heat absorbing sheet 15 is evenly distributed with heating column 20, the side of heating column 20 by being adhesively fixed with semiconductor chilling plate 17,
Insertion is equipped with cooling fan 18 at the other side center of heat dissipating housing 19；
Buffer unit 5 by column 21, fixed seat 22, sliding block 23, the first adjustable spring 24, buffering marble 25, strengthen plate 26,
Sliding slot 27, the second adjustable spring 28 and motion bar 29 form, and the bottom interior wall of fixed seat 22 has been uniformly embedded into buffering marble 25, delays
Plate 26 is strengthened in the top for rushing marble 25 by being adhesively fixed with, and connects between the both ends and the both sides inner wall of fixed seat 22 of reinforcing plate 26
It is connected to the first adjustable spring 24, strengthens and offers sliding slot 27 at the top center of plate 26, the inside of sliding slot 27, which corresponds to, is equipped with cunning
Block 23, and the second adjustable spring 28 is connected between two sliding blocks 23, the top of sliding block 23 is connected with activity by articulate
Bar 29, and column 21 is connected between two motion bars 29, and column 21 passes through fixed seat 22, pressure sensor 6 to be electrically connected
The output end of the input terminal of PLC controller 30, PLC controller 30 is electrically connected indicator light 14 and driving mechanism 1,13 electricity of control panel
Property connection semiconductor chilling plate 17 and cooling fan 18.
According to above-mentioned technical proposal, PLC controller 30 is a kind of Siemens S7-300 type controllers, is had safe and efficient
Feature.
According to above-mentioned technical proposal, valve deck 3 and the contact position of valve body 9 are coated with fluid sealant, when being connected convenient for improving
Sealing effect.
According to above-mentioned technical proposal, anti-skid chequer is carved in the outside of handle 2, convenient for increasing frictional force when holding with a firm grip.
According to above-mentioned technical proposal, it is convenient for by being adhesively fixed between Sponge protection plate 4 and valve body 9 and buffer unit 5
Improve degree of stability when connection.
According to above-mentioned technical proposal, radiator 8 is flexibly connected with valve body 9 by buckle, and the dismounting of radiator 8 is convenient for
With installation.
According to above-mentioned technical proposal, sealing ring 10 and gasket seal 12 are a kind of component of rubber material, convenient for improving
The service life of sealing ring 10 and gasket seal 12.
According to above-mentioned technical proposal, motion bar 29 is connect with column 21 by articulate, is convenient for the activity of motion bar 29.
According to above-mentioned technical proposal, valve body 9 is externally coated with polyacrylic water-proof coating, convenient for improving the waterproof of valve body 9
Effect.
Operation principle：By pressure sensor 6 by the pressure signal transmission being collected into PLC controller 30, and when pressure is believed
Number be higher than PLC controller 30 preset value when, PLC controller 30 control indicator light 14 flicker, indicate that medium imports the butterfly valve
In the pipeline connected, while PLC controller 30 controls driving mechanism 1 and works, and dish plate 7 is slowly opened so that flow of media,
Convenience when use is substantially increased, the intelligence degree of the butterfly valve is helped to improve；When the importing butterfly valve institute connecting pipe
Interior medium when the temperature is excessively high, the heat that can be first worked by semiconductor chilling plate 17, and be absorbed heat absorbing sheet 15 by heating column 20
Amount, which is transmitted on semiconductor chilling plate 17, carries out radiating treatment, convenient for reducing the temperature of the butterfly valve in time, later again by cooling fan
18 work so that the inner air and outer air of heat dissipating housing 19 circulates, and is uniformly provided with heat emission hole 16 in the both sides of heat dissipating housing 19, greatly
Heat-sinking capability is improved greatly, in case the medium temperature imported is excessively high and influences the service life of the butterfly valve sealing elements therein and makes
With effect, the thermal diffusivity of the butterfly valve is helped to improve；When the butterfly valve is impacted or vibration effect occurs, sponge can be caused anti-
Backplate 4 is squeezed and column 21 inwardly moves, and during column 21 inwardly moves, it can make the first adjustable spring 24
It deforms upon, buffer that marble 25 are extruded and the second adjustable spring 28 is stretched, and first by Sponge protection plate 4 and buffering marble 25
Common cushioning effect, a part of external force which is subject to absorb, then by the first adjustable spring 24 and the second adjustable spring
28 common reply force effects, a part of external force which is subject to is offset, in order to avoid lead to this because the external force being subject to is excessive
Butterfly valve is damaged or is shifted when being connect with pipeline, and then influences whole leakproofness, helps to improve the buffering of the butterfly valve
Protection effect.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (9)
1. a kind of automatic control type butterfly valve, including driving mechanism (1), handle (2), valve deck (3), Sponge protection plate (4), buffering dress
Set (5), pressure sensor (6), dish plate (7), radiator (8), valve body (9), sealing ring (10), valve rod (11), gasket seal
(12), control panel (13), indicator light (14) and PLC controller (30), it is characterised in that：The inside of the valve body (9) passes through viscous
It connects and is fixed with sealing ring (10), the side of the sealing ring (10) has been bolted pressure sensor (6), the valve body
(9) valve deck (3) has been bolted at the top of, and valve deck (3) and the junction insertion of valve body (9) are equipped with gasket seal
(12), the valve rod (11) passes through valve deck (3) and valve body (9), and outside has been bolted dish plate (7), the valve rod
(11) handle (2) is installed, the top of the valve rod (11) is connected with driving mechanism (1), the side of the driving mechanism (1) on
It has been bolted control panel (13), indicator light (14), the control are installed at the top center of the control panel (13)
The inside of plate (13) is equipped with PLC controller (30), and the both sides of the valve body (9) are corresponding to be equipped with buffer unit (5), and same
Be connected with Sponge protection plate (4) between two adjacent buffer units (5) of side, the bottom of the valve body (9) correspond to be equipped with it is scattered
Thermal (8)；
The radiator (8) is by heat absorbing sheet (15), heat emission hole (16), semiconductor chilling plate (17), cooling fan (18), heat dissipating housing
(19) it is formed with heating column (20), the both sides of the heat dissipating housing (19) are uniformly provided with heat emission hole (16), the heat dissipating housing (19)
Side by being adhesively fixed with heat absorbing sheet (15), the side of the heat absorbing sheet (15) is evenly distributed with heating column (20), described
The side of heating column (20) is embedding at the other side center of the heat dissipating housing (19) by being adhesively fixed with semiconductor chilling plate (17)
Enter to be equipped with cooling fan (18)；
The buffer unit (5) is by column (21), fixed seat (22), sliding block (23), the first adjustable spring (24), buffering marble
(25), strengthen plate (26), sliding slot (27), the second adjustable spring (28) and motion bar (29) composition, the bottom of the fixed seat (22)
Portion's inner wall has been uniformly embedded into buffering marble (25), and plate (26) is strengthened in the top of the buffering marble (25) by being adhesively fixed with,
It is connected with the first adjustable spring (24), the reinforcing between the both ends and the both sides inner wall of fixed seat (22) for strengthening plate (26)
Sliding slot (27) is offered at the top center of plate (26), the inside of the sliding slot (27), which corresponds to, is equipped with sliding block (23), and two
The second adjustable spring (28) is connected between sliding block (23), the top of the sliding block (23) is connected with motion bar by articulate
(29), it and between two motion bars (29) is connected with column (21), and column (21) passes through fixed seat (22), the pressure sensing
Device (6) is electrically connected the input terminal of PLC controller (30), and the output end of the PLC controller (30) is electrically connected indicator light
(14) and driving mechanism (1), the control panel (13) are electrically connected semiconductor chilling plate (17) and cooling fan (18).
2. a kind of automatic control type butterfly valve according to claim 1, it is characterised in that：The PLC controller (30) is one
Kind Siemens S7-300 type controllers.
3. a kind of automatic control type butterfly valve according to claim 1, it is characterised in that：The valve deck (3) and valve body (9)
Contact position is coated with fluid sealant.
4. a kind of automatic control type butterfly valve according to claim 1, it is characterised in that：It is carved with the outside of the handle (2)
Anti-skid chequer.
5. a kind of automatic control type butterfly valve according to claim 1, it is characterised in that：The Sponge protection plate (4) and valve
By being adhesively fixed between body (9) and buffer unit (5).
6. a kind of automatic control type butterfly valve according to claim 1, it is characterised in that：The radiator (8) and valve body
(9) it is flexibly connected by buckling.
7. a kind of automatic control type butterfly valve according to claim 1, it is characterised in that：The sealing ring (10) and gasket
Piece (12) is a kind of component of rubber material.
8. a kind of automatic control type butterfly valve according to claim 1, it is characterised in that：The motion bar (29) and column
(21) it is connected by articulate.
9. a kind of automatic control type butterfly valve according to claim 1, it is characterised in that：The external coating of the valve body (9)
There is polyacrylic water-proof coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810495370.5A CN108426079A (en) | 2018-05-22 | 2018-05-22 | A kind of automatic control type butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810495370.5A CN108426079A (en) | 2018-05-22 | 2018-05-22 | A kind of automatic control type butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108426079A true CN108426079A (en) | 2018-08-21 |
Family
ID=63163886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810495370.5A Pending CN108426079A (en) | 2018-05-22 | 2018-05-22 | A kind of automatic control type butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108426079A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236851A (en) * | 2021-05-11 | 2021-08-10 | 华英阀业有限公司 | Flange connection soft sealing ball valve with pressure detection and liquid leakage prevention functions |
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| CN207018550U (en) * | 2017-07-14 | 2018-02-16 | 盖罗（上海）自动化控制设备有限公司 | A kind of double eccentric structure design high-performance butterfly valves |
| CN107825368A (en) * | 2017-12-01 | 2018-03-23 | 成都华西天然药物有限公司 | A kind of workbench of vacuum pressure controller |
| CN107908233A (en) * | 2017-12-28 | 2018-04-13 | 江苏君厚科技有限公司 | The good tablet computer of a kind of highly practical and thermal diffusivity |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878307A (en) * | 2012-09-14 | 2013-01-16 | 杨春 | Positive pressure air regulator device for ship |
| CN203063625U (en) * | 2012-12-04 | 2013-07-17 | 武隆县驰锐轮胎销售部 | Film solar semiconductor refrigeration heat sink on car roof |
| CN103398185A (en) * | 2013-08-19 | 2013-11-20 | 南通欧特建材设备有限公司 | Electric ultrahigh-temperature butterfly valve |
| CN104455706A (en) * | 2014-11-26 | 2015-03-25 | 苏州福润机械有限公司 | Shock-absorbing and heat-preserving butterfly valve |
| CN205663896U (en) * | 2016-05-12 | 2016-10-26 | 段海浩 | Automatic change control flap |
| CN207018550U (en) * | 2017-07-14 | 2018-02-16 | 盖罗（上海）自动化控制设备有限公司 | A kind of double eccentric structure design high-performance butterfly valves |
| CN107825368A (en) * | 2017-12-01 | 2018-03-23 | 成都华西天然药物有限公司 | A kind of workbench of vacuum pressure controller |
| CN107908233A (en) * | 2017-12-28 | 2018-04-13 | 江苏君厚科技有限公司 | The good tablet computer of a kind of highly practical and thermal diffusivity |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236851A (en) * | 2021-05-11 | 2021-08-10 | 华英阀业有限公司 | Flange connection soft sealing ball valve with pressure detection and liquid leakage prevention functions |
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Application publication date: 20180821 |
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