CN109578596A - A kind of blinds valve manually controlled - Google Patents

A kind of blinds valve manually controlled Download PDF

Info

Publication number
CN109578596A
CN109578596A CN201811512075.2A CN201811512075A CN109578596A CN 109578596 A CN109578596 A CN 109578596A CN 201811512075 A CN201811512075 A CN 201811512075A CN 109578596 A CN109578596 A CN 109578596A
Authority
CN
China
Prior art keywords
valve
plate
valve shaft
shaft
blinds
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811512075.2A
Other languages
Chinese (zh)
Other versions
CN109578596B (en
Inventor
张荻
朱发挥
谢永慧
陈悦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Jiaotong University
Original Assignee
Xian Jiaotong University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xian Jiaotong University filed Critical Xian Jiaotong University
Priority to CN201811512075.2A priority Critical patent/CN109578596B/en
Publication of CN109578596A publication Critical patent/CN109578596A/en
Application granted granted Critical
Publication of CN109578596B publication Critical patent/CN109578596B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226Shaping or arrangements of the sealing
    • F16K1/2261Shaping or arrangements of the sealing the sealing being arranged on the valve member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/36Valve members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • F16K31/52Mechanical actuating means with crank, eccentric, or cam
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • F16K31/60Handles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0008Mechanical means
    • F16K37/0016Mechanical means having a graduated scale

Abstract

The invention discloses a kind of blinds valves manually controlled, including flange, valve body, valve plate, valve shaft, Manual drive mechanism and control assembly;Wherein, flange is connect with valve body, multiple stepped holes is symmetrically provided on the both side plate of valve body, and be mounted on sleeve in each stepped hole;The equal aperture in the both ends of valve plate;Valve shaft includes right valve shaft and left valve shaft, and is multi-diameter shaft, and the both ends of several valve plates are connect with right valve shaft and left valve shaft respectively, and is parallelly mounted on the inside of valve body in the vertical direction by the stepped hole on valve body both side plate;Manual drive mechanism includes crank, connecting rod and big handwheel, and crank one end is fixedly connected with corresponding left valve shaft, and the other end is hinged with connecting rod, and big handwheel is connected with any one left valve shaft, and the left valve shaft rotation can be driven by the rotation of big handwheel;Control assembly is connect with another left valve shaft, for controlling the aperture of blinds valve.The configuration of the present invention is simple, easily operated, stability and leakproofness are strong and convenient for safeguarding in long-term work.

Description

A kind of blinds valve manually controlled
Technical field
The invention belongs to valve technology field, in particular to a kind of blinds valve manually controlled.
Background technique
Blinds valve is a kind of novel control valve, air, flue gas and other gas being mainly used in process pipe The adjusting and opening and closing control of body, are widely used in the fields such as metallurgy, chemical industry.Louver valve is mainly by valve body, blinds, shaft and control Mechanism composition processed, can match with various actuators, be suitable for different occasions.
The louver valve of motorized adjustment is used cooperatively controlling opening of valve using Electric Actuator and retarder at present, integrally holds Row mechanism is complicated, is not easy to operate;Simultaneously in long-term use, due to wearing and corroding etc., transmission mechanism it is steady It is qualitative to greatly reduce, it may appear that the problems such as valve seal is unreliable.Manually controlling blinds valve uses handwheel directly and valve Axis connection, flexible adjustment is reliable, and opening and closing torque is small, can efficiently control valve opening.But existing manual louver valve by In design it is not reasonable, stability and leakproofness be not strong, is unfavorable for the working condition that operator judges valve, it is difficult to make and When adjustment, while still remain abrasion corrosion be difficult to the problem of safeguarding.
Summary of the invention
Simple, easily operated, stability that the object of the present invention is to provide a kind of structures and leakproofness are by force and in long-term work In the convenient for safeguarding blinds valve manually controlled.
The present invention adopts the following technical scheme that realize:
A kind of blinds valve manually controlled, including flange, valve body, valve plate, valve shaft, Manual drive mechanism and control group Part;Wherein,
Flange is connect with valve body, multiple stepped holes is symmetrically provided on the both side plate of valve body, and be respectively mounted in each stepped hole There is sleeve;The equal aperture in the both ends of valve plate;Valve shaft includes right valve shaft and left valve shaft, and is multi-diameter shaft, the both ends point of several valve plates It does not connect with right valve shaft and left valve shaft, and is parallelly mounted in valve body in the vertical direction by the stepped hole on valve body both side plate Side;
Manual drive mechanism includes crank connecting link and big handwheel, and crank one end is fixedly connected with corresponding left valve shaft, separately One end is hinged with connecting rod, and big handwheel is connected with any one left valve shaft, and the left valve shaft can be driven by the rotation of big handwheel Rotation;
Control assembly is connect with another left valve shaft, for controlling the aperture of blinds valve.
A further improvement of the present invention lies in that crank differs 45 degree with the setting angle of valve plate, the stroke of crank rotation is 90 degree, 45 degree of clockwise direction upper right, to 45 degree of bottom right, correspond to the state of blinds valve and close for standard-sized sheet to complete.
A further improvement of the present invention lies in that a big handwheel left valve shaft on the upper side with middle part is connected, the stroke of big handwheel It is 90 degree.
A further improvement of the present invention lies in that valve shaft, which is located on the inside of valve body, is partially radially provided with bolt hole, axially it is provided with With the slot of valve plate equal thickness, outer surface cut certain thickness platform as with bolt fastening joint face.
A further improvement of the present invention lies in that valve plate is square plate, the left and right sides is provided with through-hole, uses bolt with valve shaft Connection, valve plate is respectively inlaid with 1/4 cylindrical elastic block rubber above and below, contrary;When valve plate closure is tightened, two valves Elastic block rubber between plate forms contact, forms sealing by the mutual extrusion of two 1/4 circular arcs.
A further improvement of the present invention lies in that be installed on sleeve in the stepped hole that valve body two sides are opened first when installation, Secondly left valve shaft, right valve shaft are respectively passed through into two sides sleeve, is located on the inside of valve body by the shaft shoulder, finally revolve left valve shaft, right valve shaft Turn alignment, valve plate passes through the slot on the valve shaft of two sides, valve plate is aligned with the bolt hole on valve shaft, adopts and is bolted connection;It is left The part that valve shaft stretches out valve body is connected with crank, and the part that right valve shaft stretches out valve body offers screw thread, is connected with check bolt.
A further improvement of the present invention lies in that control assembly includes wheel disc, small handwheel, upper clamp plate, lower clamp plate, pedestal, bullet Spring, threaded rod, aperture table and wedge block;Wherein,
Wheel disc is sleeved on a left valve shaft, is positioned by pin;Upper clamp plate, lower clamp plate and pedestal are set gradually from top to bottom And integrated molding is fixed on valve body, and one end links together, the other end is free end;Spring setting is in upper clamp plate under Between clamping plate;Lower clamp plate is fixed in threaded rod one end, and the other end passes through spring, upper clamp plate, is threadedly coupled with small handwheel;
The edge of wheel disc is arranged between upper clamp plate and lower clamp plate, and the surface of upper clamp plate and lower clamp plate and sheave contact is 3 to 5 spend inclined-planes, are inlaid with abrasive rubber on inclined-plane;Control assembly by small handwheel rotation and the effect of spring control upper clamp plate, Clamping and release of the lower clamp plate to wheel disc.
A further improvement of the present invention lies in that the aperture table of blinds valve is carved in wheel disc outer surface, it is equipped on the outside of upper clamp plate Aperture blinds valve opening value as indicated by the wedge block on upper clamp plate of the wedge block of triangle, blinds valve is accurately controlled System.
The present invention has following beneficial technical effect:
1, the muti-piece valve plate of the invention used, multiaxial type design can make channel fluid distrbution more uniform, and flow resistance is more It is small, it is easy to use the opening and closing and aperture of handwheel control blinds valve.
2, Manual drive mechanism of the invention is made of big handwheel, crank and connecting rod, and structure is simple, and stable transmission opens It is reliable to close flexible movements, can efficiently control blinds valve flow.
3, control assembly of the invention by the effect control upper and lower plywoods of hand wheel rotating and spring to the clamping of wheel disc with Unclamp, aperture blinds valve opening value as indicated by upper clamp plate voussoir of blinds valve accurately controls, structure is simple, stablize and Precision is high.
4, valve plate of the invention forms good sealing, valve by two 1/4 cylindrical elastic block rubber mutual extrusions Plate is fixed by bolts relatively independent between left and right valve shaft, each valve plate, can be freely disassembled, convenient for safeguarding in long-term work.
Detailed description of the invention
Fig. 1 is the blinds valve mechanism schematic diagram that the present invention manually controls.
Fig. 2 is the structural schematic diagram of valve plate.
Fig. 3 is the structural schematic diagram of control assembly.
In figure: 1- flange, 2- valve body, 3- valve plate, the right valve shaft of 4-, the left valve shaft of 5-, 6- crank, 7- connecting rod, the big handwheel of 8-, 9- Wheel disc, 10- small handwheel, 11- upper clamp plate, 12- lower clamp plate, 13- pedestal, 14- spring, 15- threaded rod, 16- aperture table, 17- wedge Shape block.
Specific embodiment
Further explanation is made to the present invention below in conjunction with attached drawing:
It please refers to Fig.1 to Fig.3, a kind of blinds valve manually controlled provided by the invention, including flange 1, valve body 2, valve Plate 3, right valve shaft 4, left valve shaft 5 and Manual drive mechanism and control assembly, Manual drive mechanism include crank 6, connecting rod 7 and big Handwheel 8, control assembly include wheel disc 9, small handwheel 10, upper clamp plate 11, lower clamp plate 12, pedestal 13, spring 14, threaded rod 15, open Spend table 16 and wedge block 17.
Flange 1 is connect with valve body 2;It is symmetrically provided with multiple stepped holes on the both side plate of valve body 2, and pacifies in each stepped hole Equipped with sleeve;Valve shaft is located at the slot for being partially radially provided with bolt hole, being axially provided with 3 equal thickness of valve plate of 2 inside of valve body, appearance Face cuts certain thickness platform and is used as in bolt fastening joint face.
Referring to Fig. 2, valve plate 3 is square plate, the left and right sides is provided with through-hole, is connected by screw bolts with valve shaft, valve plate 3 It is respectively inlaid with 1/4 cylindrical elastic block rubber above and below, it is contrary.When the closure of valve plate 3 is tightened, between two valve plates 3 Elastic block rubber forms contact, forms good sealing by the mutual extrusion of two 1/4 circular arcs.
The assemble sequence of above-mentioned valve body 2, valve shaft, valve plate 3 are as follows: sleeve is installed on the ladder that 2 two sides of valve body are opened first In hole, left valve shaft 5, right valve shaft 4 are respectively secondly passed through into two sides sleeve, the inside of valve body 2 is located in by the shaft shoulder, finally by left valve shaft 5, Right 4 rotation into alignment of valve shaft, valve plate 3 pass through the slot on the valve shaft of two sides, valve plate 3 are aligned with the bolt hole on valve shaft, using bolt It is fastenedly connected, the part that the left valve shaft 5 stretches out valve body 2 is connected with crank 6, and the part that the right valve shaft 4 stretches out valve body 2 opens up There is screw thread, is connected with check bolt.
The Manual drive mechanism includes crank 6, connecting rod 7 and big handwheel 8, and 6 one end of crank is fixedly connected, separately with valve shaft One end and connecting rod 7 are hinged.Crank 6 differs 45 degree with the setting angle of valve plate 3, and the stroke that crank 6 rotates is 90 degree, clockwise side To 45 degree of upper right to 45 degree of bottom right, the state of corresponding blinds valve is that standard-sized sheet is closed to complete.Big handwheel 8 and a middle part left side on the upper side Valve shaft 5 is connected, and the stroke of big handwheel 8 is also 90 degree.
Referring to Fig. 3, control assembly include wheel disc 9, small handwheel 10, upper clamp plate 11, lower clamp plate 12, pedestal 13, spring 14, Threaded rod 15, aperture table 16 and wedge block 17.Wheel disc 9 is sleeved on a left valve shaft 5, is positioned by pin, outer surface is carved with hundred The aperture table 16 of leaf valve is equipped with the wedge block 17 of triangle on the outside of upper clamp plate 11, is used to indicate blinds valve opening.Threaded rod Lower clamp plate 12 is fixed in 15 one end, and the other end passes through spring 14, upper clamp plate 11, connect with 10 internal screw thread of small handwheel.13 He of pedestal Upper clamp plate 11, lower clamp plate 12 are entirety, are fixed on valve body 2;The edge setting of wheel disc 9 upper clamp plate 11 and lower clamp plate 12 it Between, the surface that upper clamp plate 11, lower clamp plate 12 are contacted with wheel disc 9 is 3 to 5 degree inclined-planes, is inlaid with abrasive rubber on inclined-plane.Control group Part controls the clamping and release of upper clamp plate 11, lower clamp plate 12 to wheel disc 9, blinds by the effect of the rotation of small handwheel 10 and spring 14 The aperture of valve blinds valve opening value as indicated by the wedge block 17 on upper clamp plate 11 accurately controls.
The above is only a preferred embodiment of the present invention, wound is not being made for those of ordinary skill in the art It is obtained under the premise of the property made labour improve, modification or other embodiments etc., should all be included in the protection scope of the present invention.

Claims (8)

1. a kind of blinds valve manually controlled, which is characterized in that including flange (1), valve body (2), valve plate (3), valve shaft, manually Driving mechanism and control assembly;Wherein,
Flange (1) is connect with valve body (2), and multiple stepped holes are symmetrically provided on the both side plate of valve body (2), and in each stepped hole Sleeve is installed;The equal aperture in both ends of valve plate (3);Valve shaft includes right valve shaft (4) and left valve shaft (5), and is multi-diameter shaft, several The both ends of valve plate (3) are connect with right valve shaft (4) and left valve shaft (5) respectively, and by the stepped hole on valve body (2) both side plate perpendicular Histogram is parallelly mounted to upwards on the inside of valve body (2);
Manual drive mechanism includes crank (6), connecting rod (7) and big handwheel (8), crank (6) one end and corresponding left valve shaft (5) It is fixedly connected, hingedly, big handwheel (8) is connected with any one left valve shaft (5), and can pass through big hand for the other end and connecting rod (7) The rotation of wheel (8) drives left valve shaft (5) rotation;
Control assembly is connect with another left valve shaft (5), for controlling the aperture of blinds valve.
2. a kind of blinds valve manually controlled according to claim 1, which is characterized in that crank (6) and valve plate (3) Setting angle differs 45 degree, and the stroke of crank (6) rotation is 90 degree, and 45 degree of clockwise direction upper right, to 45 degree of bottom right, correspond to hundred The state of leaf valve is that standard-sized sheet is closed to complete.
3. a kind of blinds valve manually controlled according to claim 1, which is characterized in that big handwheel (8) and middle part are inclined On a left valve shaft (5) be connected, the stroke of big handwheel (8) is 90 degree.
4. a kind of blinds valve manually controlled according to claim 1, which is characterized in that valve shaft is located in valve body (2) Side is partially radially provided with bolt hole, be axially provided with the slot of valve plate (3) equal thickness, outer surface cuts certain thickness platform As with bolt fastening joint face.
5. a kind of blinds valve manually controlled according to claim 4, which is characterized in that valve plate (3) is square plate, The left and right sides is provided with through-hole, is connected by screw bolts with valve shaft, and valve plate (3) is respectively inlaid with 1/4 cylindrical elastic rubber above and below Block, it is contrary;When valve plate (3) closure is tightened, the elastic block rubber between two valve plates (3) forms contact, passes through two The mutual extrusion of 1/4 circular arc forms sealing.
6. a kind of blinds valve manually controlled according to claim 5, which is characterized in that when installation, first by sleeve It is installed in the stepped hole that valve body (2) two sides are opened, left valve shaft (5), right valve shaft (4) is respectively secondly passed through into two sides sleeve, by axis Shoulder is located on the inside of valve body (2), and finally by left valve shaft (5), right valve shaft (4) rotation into alignment, valve plate (3) is passed through on the valve shaft of two sides Valve plate (3) is aligned with the bolt hole on valve shaft, adopts and be bolted connection by slot;Left valve shaft (5) stretches out the part of valve body (2) It is connected with crank (6), the part that right valve shaft (4) stretches out valve body (2) offers screw thread, is connected with check bolt.
7. a kind of blinds valve manually controlled according to claim 1, which is characterized in that control assembly includes wheel disc (9), small handwheel (10), upper clamp plate (11), lower clamp plate (12), pedestal (13), spring (14), threaded rod (15), aperture table (16) With wedge block (17);Wherein,
Wheel disc (9) is sleeved on a left valve shaft (5), is positioned by pin;Upper clamp plate (11), lower clamp plate (12) and pedestal (13) are certainly It is set gradually under above and integrated molding is fixed on valve body (2), and one end links together, the other end is free end;Bullet Spring (14) is arranged between upper clamp plate (11) and lower clamp plate (12);Lower clamp plate (12), the other end are fixed in threaded rod (15) one end Across spring (14), upper clamp plate (11), it is threadedly coupled with small handwheel (10);
The edge of wheel disc (9) is arranged between upper clamp plate (11) and lower clamp plate (12), and upper clamp plate (11) and lower clamp plate (12) and The surface of wheel disc (9) contact is 3 to 5 degree inclined-planes, is inlaid with abrasive rubber on inclined-plane;Control assembly is rotated by small handwheel (10) Effect with spring (14) controls the clamping and release of upper clamp plate (11), lower clamp plate (12) to wheel disc (9).
8. a kind of blinds valve manually controlled according to claim 7, which is characterized in that be carved with wheel disc (9) outer surface The aperture table (16) of blinds valve, upper clamp plate (11) outside are equipped with the wedge block (17) of triangle, and the aperture of blinds valve is by upper Blinds valve opening value indicated by wedge block (17) on clamping plate (11) accurately controls.
CN201811512075.2A 2018-12-11 2018-12-11 Manually-controlled shutter valve Active CN109578596B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811512075.2A CN109578596B (en) 2018-12-11 2018-12-11 Manually-controlled shutter valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811512075.2A CN109578596B (en) 2018-12-11 2018-12-11 Manually-controlled shutter valve

Publications (2)

Publication Number Publication Date
CN109578596A true CN109578596A (en) 2019-04-05
CN109578596B CN109578596B (en) 2020-06-19

Family

ID=65928990

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811512075.2A Active CN109578596B (en) 2018-12-11 2018-12-11 Manually-controlled shutter valve

Country Status (1)

Country Link
CN (1) CN109578596B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111365471A (en) * 2020-03-14 2020-07-03 邵玉刚 Gate valve
CN111734831A (en) * 2020-06-28 2020-10-02 扬州伯瑞格机械有限公司 Accurate control's manual tripe valve

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201184418Y (en) * 2008-04-29 2009-01-21 邹平县华星热能环保设备有限公司 High-temperature dry distillation coal gas regulation valve
CN201462135U (en) * 2009-03-31 2010-05-12 昆山昆越机械工程有限公司 High-temperature ventilating valve
CN202327137U (en) * 2011-10-28 2012-07-11 洛阳兰迪玻璃机器股份有限公司 Wind path valve
CN103322210A (en) * 2012-03-21 2013-09-25 江苏鑫莲液压机电有限公司 Manually-operated louver valve
CN203532763U (en) * 2013-09-13 2014-04-09 浙江四通阀门制造有限公司 Square louver valve
CN203696723U (en) * 2014-01-21 2014-07-09 泉州市烨达机械制造有限公司 Angle grinding base
CN203823092U (en) * 2014-05-14 2014-09-10 温州蓝天管件阀门有限公司 Manual louver valve
CN205155173U (en) * 2015-11-21 2016-04-13 北京铁建永泰新型建材有限公司 Butterfly valve
CN208204035U (en) * 2018-03-20 2018-12-07 南京老山暖通设备有限公司 A kind of manual air volume control valve

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201184418Y (en) * 2008-04-29 2009-01-21 邹平县华星热能环保设备有限公司 High-temperature dry distillation coal gas regulation valve
CN201462135U (en) * 2009-03-31 2010-05-12 昆山昆越机械工程有限公司 High-temperature ventilating valve
CN202327137U (en) * 2011-10-28 2012-07-11 洛阳兰迪玻璃机器股份有限公司 Wind path valve
CN103322210A (en) * 2012-03-21 2013-09-25 江苏鑫莲液压机电有限公司 Manually-operated louver valve
CN203532763U (en) * 2013-09-13 2014-04-09 浙江四通阀门制造有限公司 Square louver valve
CN203696723U (en) * 2014-01-21 2014-07-09 泉州市烨达机械制造有限公司 Angle grinding base
CN203823092U (en) * 2014-05-14 2014-09-10 温州蓝天管件阀门有限公司 Manual louver valve
CN205155173U (en) * 2015-11-21 2016-04-13 北京铁建永泰新型建材有限公司 Butterfly valve
CN208204035U (en) * 2018-03-20 2018-12-07 南京老山暖通设备有限公司 A kind of manual air volume control valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111365471A (en) * 2020-03-14 2020-07-03 邵玉刚 Gate valve
CN111734831A (en) * 2020-06-28 2020-10-02 扬州伯瑞格机械有限公司 Accurate control's manual tripe valve

Also Published As

Publication number Publication date
CN109578596B (en) 2020-06-19

Similar Documents

Publication Publication Date Title
CN109578596A (en) A kind of blinds valve manually controlled
US4682755A (en) Mechanical control system in flow devices
CN100564965C (en) Guiding high pressure butterfly valve
CN210566315U (en) Elastic compensation type butterfly valve with movable valve seat
CN208907502U (en) A kind of Novel regulating valve valve actuator
CN101265983A (en) Multi-functional valve
CN2630589Y (en) Ball valve with long service life
CN209569346U (en) A kind of exhaust butterfly valve with operating stick
CN208503504U (en) Butterfly valve
CN206449225U (en) A kind of gauge valve for the visual type that throttles
CN201050606Y (en) Pilot type high pressure butterfly valve
CN205841821U (en) A kind of rotary valve
CN209213001U (en) A kind of novel slide valve
CN212986068U (en) Manual butterfly valve
CN212480177U (en) Double-valve-clack guide rail sealing stop valve
CN213211483U (en) Novel butterfly valve
CN210196612U (en) Valve with emergency cut-off function
CN111911659B (en) Novel vacuum valve
CN210344317U (en) Butterfly valve with lower limiting device
CN1034192C (en) Double-gate type rotary valve
CN209622172U (en) Ventilation shaft air quantity adjusts high sealing exhaust-gas treatment valve
CN209632885U (en) A kind of mining gas trigger
CN102359607A (en) Pneumatic control butterfly valve for accurately regulating flow
CN213745082U (en) Special anti-backflow desulfurization butterfly valve for power plant
CN208816715U (en) A kind of new antibiotic shut-off valve

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
GR01 Patent grant
GR01 Patent grant