CN1216241C - Manual blank-plate valve able to be opened or closed quickly - Google Patents
Manual blank-plate valve able to be opened or closed quickly Download PDFInfo
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- CN1216241C CN1216241C CN 02125211 CN02125211A CN1216241C CN 1216241 C CN1216241 C CN 1216241C CN 02125211 CN02125211 CN 02125211 CN 02125211 A CN02125211 A CN 02125211A CN 1216241 C CN1216241 C CN 1216241C
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- plate
- connecting rods
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- leading screw
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- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The present invention relates to an improvement for a manual blind plate valve, which is characterized in that a space regulating device for a valve body of a blind plate valve is improved into a combined type actuating mechanism composed of two connecting rods. The mechanism is driven by a screw rod and nuts; the screw rod is arranged in a radial direction; the nuts which have opposite rotating directions are respectively arranged on the screw rod. The space of the valve body can be quickly regulated and locked by the opening and closing motion of the two connecting rods. Because the present invention has the advantages of simple structure, flexible and accurate operation, uniform sealing force and leakage decrease, the present invention can become an upgraded product of the valve of this kind.
Description
Technical field
The invention belongs to industrial valve field, be applied in the delivery line of coal gas, rock gas, harmful poisonous flammability chemical gases, be particularly suitable for maintenance or maintenance and prevent from during pipeline to leak and do absolute cut-out and use.
Background technique
In poisonous and harmful or inflammable gas delivery line, safeguard, maintenance or require source of the gas is done absolute cut-out when changing pipeline facilities, so blank-plate valve is widely used as safe precaution measure, and be set at important position.In the main line of gas delivery, because of pipe diameter air pressure is big, so flow is big higher to the technical requirements of blank-plate valve, structure is also very complicated.Often main valve body is taked three stage structure, adopts elasticity to connect, and hydraulic pressure or motorized nip adjustment tighten the device complexity with drive valve plate, and price is also very expensive.But for bypass line, the less branch road of bore particularly, though blank-plate valve is still indispensable device, its structure has just been simplified greatly.Blank-plate valve on this class branch road often designs at shape pipeline bend place.Valve mechanism is the two-part valve body basically, and valve plate in middle clamping, and valve plate is formed the valve plate assembly by easy support and mobile mechanism.Spacing between two sections valve bodies is by the holding down bolt between two sections valve bodies, and nut cooperates to apply to be regulated moment and realize the spacing adjustment by the resiliently deformable of pipeline shape elbow.Adjusting is got up loaded down with trivial details and slow, and the force bearing point of clamping locking valve plate is few, and inhomogeneous, and its leakage is also comparatively serious.Leak when particularly changing blind plate very serious, hostile environments, the operator is in a rush, labor intensity is big.Use electric locking device then structure complex operations is loaded down with trivial details more, cost an arm and a leg, and effect is unsatisfactory.
Summary of the invention
The objective of the invention is to improvement is completely done in the valve body location of this class blank-plate valve and the controlling device of valve body spacing, make its structure of taking simple and flexible realize the adjustment of two sections valve body spacings fast, finishing the quick switching of blind plate, and reach desirable clamping and sealing effect.
Design key of the present invention is that two sections valves are stopped on the structure about original, and the locking roll-setting gear is done again design.New locking with regulate positioning device, form by an opposite nut and two linkage mechanisms of symmetrical distribution up and down fixedly connected with nut and that be supported between two sections valve bodies of rotation direction that are positioned on one of them valve body and radially leading screw valve body and are located at two sections of leading screws.Two screws produced rightabout open and close movement when leading screw rotated because of rotation direction is opposite, thereby drive two linkage mechanisms that are supported on the valve body and strut or lock the adjusting that the two ends valve body is realized spacing, coordination is finished the insertion of blind plate or is pulled out operation, realizes the keying of blank-plate valve.Utilize the operation handwheel can finish the operation of leading screw soon, the unlatching that realizes blank-plate valve fast and simply is with closed.Radially the fit adjustment of leading screw and nut has shown simple, flexible, quick, stressed even, wield notable feature.
The following examples are given accompanying drawing further describes this improved substantive technical characterstic.
Description of drawings
Accompanying drawing 1 is the structural representation sketch of invention.
Accompanying drawing 2 is the plan view of accompanying drawing 1.
Accompanying drawing 3 is the right sectional view of accompanying drawing 1.
Wherein 1 represent left valve barrel, 6 represent right valve barrel, and 5 represent valve plate, and 5A represents blind hole, 5B represents otic placode, the 5C representative is positioned at the pulley on the otic placode, and 5D represents the location draw ring on the valve plate, and the 1A representative is located at the leading screw locating sleeve on the left valve barrel 1,2 is leading screw, 3A is the right-handed nut, and 3B is a left-handed nut, 7,8 and 7 ', 8 ' be two link assemblies.9, two link assemblies of 10 representatives and 7,8 symmetries.11,12 for being positioned at the connecting rod minor axis on the nut, and 13,14 for being positioned at the otic placode on the left and right valve flange, and 13A, 14A are the otic placode bearing pin, and 15,16 are gusset, and 17 is the handwheel that is connected with leading screw 2.
Leading screw 2 passes a sleeve pipe 1A who is positioned on the left valve barrel 1.Obviously drive nuts (3A, 3B) at leading screw 2 and move up and down, the song of (7,8,7 ', 8 ') is stretched because two linkage mechanisms, and leading screw 2 wants integral body mobile vertically, so the cross section of sleeve pipe 1A should be oval-shaped, to leave the free gap.Along with two reverse nut reversing motions, connecting rod 7,8,9,10 and even part thereof stretch its power are passed on the flange plate of valve body (1,6), cause the pipeline elastic strain, thereby the valve plate chucking power is disappeared, for valve plate slippage transposition has caused necessary condition.Spur valve plate this moment and finish blind hole, through hole conversion continuously, after this can draw nut (3A, 3B) rapidly in, finish the clamping and positioning sealing that opens and closes after changing, seem very light and handy, quick at rotation hand wheel 17.
Embodiment
From given embodiment's accompanying drawing, can be clear that, key of the present invention is thoroughly to have changed in the conventional art the axial connection of two sections valve bodies and regulate positioning and locking, and taked radially leading screw (a 2) nut (3A, 3B) opposite with two rotation directions that is positioned on the valve body 1 to form handwheel (17) driving mechanism and be supported on the actuator that two connecting rods that are symmetrically distributed up and down between two sections valve bodies (1,6) are formed, finish locking and locate.
Leading screw in the driving mechanism (2) is positioned on the valve body (1) by the locating sleeve (1A) of a cross section ovalize, the opposite nut (3A) of rotation direction that is located on the leading screw (2) is provided with connecting rod minor axis (11,12), and links by two connecting rods in minor axis (11,12) and the actuator (7,8 and 7 ', 8 ').
Be located on the opposite nut (3A, 3B) of the rotation direction at screw mandrel 2 two ends, be provided with connecting rod minor axis (11,12), form hinge joint by minor axis (11,12), nut (3A) and symmetrical two link assemblies (7,8,7 ', 8 '), thereby when moving, nut (3A) forms driving to two link assemblies, cause the folding of two connecting rods, thereby form adjustment and location two sections valve bodies (1,6) spacing.Finally finish two sections valve body spacings are adjusted and locking valve plate (5).Be called symmetrical two connecting rods, it forms symmetrical distribution fully by two-part up and down.The top structure is represented fully aware of completely in accompanying drawing 2.Each part is by two connecting rods of a symmetrical distribution (7,8,7 ', 8 ') up and down, it forms compound two bar linkage structures by minor axis (11,12), and link mutually and form a complete spacing adjusting actuator with bearing pin (13A, 14A) on two sections valve body otic placodes (13,14).
The support of valve plate 5 and sliding device are formed by being positioned at the otic placode 5B on the two valve body end faces and being clipped in two pulley 5C between the otic placode in the valve plate assembly.Pulley 5C is provided with groove, matches with raised brim on the valve plate 5, forms good slide guide.Can trippingly valve plate 5 be pulled out the switching of propelling, that is finish the conversion of keying with realization blind hole 5A position.
Make manual blank-plate valve by above structure, simple in structure, dexterous, easy to operate, brisk, can realize the adjustment of valve spacing and the switching of valve plate position soon, processing ease, accurate makes cutting-off process reveal fast and significantly reduces.And with low cost, there are not conventional manual blank-plate valve clumsiness, heavy operation and the disadvantage of discontinuity, be this type of valve mechanism to be improved once feel free to try.
Claims (4)
1, the manual blank-plate valve of fast opening and closing, by about two sections valve bodies (1,6), two sections valve bodies are connected the also controlling device composition of locking and positioning, also comprise valve plate (5) in the structure, the valve plate assembly that the supporting skid rail of valve plate (5) (5B, 5C) is formed, it is characterized in that the driving mechanism that controlling device is made up of the opposite nut (3A, 3B) of two rotation directions that is positioned on the valve body (1) on the radially leading screw (2) and leading screw (2), and form by these two-part of actuator that two connecting rods that are symmetrically distributed up and down that are supported between two sections valve bodies (1,6) are formed.
2, according to claims 1 said manual blank-plate valve, it is characterized in that the locating sleeve (1A) of leading screw (2) by a cross section ovalize in the driving mechanism is positioned on the valve body (1), the opposite nut (3A) of rotation direction that is located on the leading screw (2) is provided with connecting rod minor axis (11,12), and links by two connecting rods in minor axis (11,12) and the actuator (7,8 and 7 ', 8 ').
3, according to claim 1 or 2 said manual blank-plate valve, it is characterized in that two connecting rods that are symmetrically distributed up and down, form by the two-part that are symmetrically distributed up and down, every part all is two connecting rods (7,8 and 7 ', 8 ') of a symmetrical distribution, two connecting rods (7,8 and 7 ', 8 ') are formed compound two bar linkage structures by minor axis (11,12), and links mutually and form complete spacing adjusting actuator with bearing pin (13A, 14A) on two sections valve body otic placodes (13,14).
4, according to the said manual blank-plate valve of claim 1, it is characterized in that slip positioning device in the valve plate assembly is by the otic placode (5B) that is arranged on two sections valve bodies (1,6) ends, the pulley (5C) that is positioned between two otic placodes (5B) is formed, and the flange on groove on the pulley (5C) and the valve plate (5) matches to form and is slidingly matched.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02125211 CN1216241C (en) | 2001-11-29 | 2002-07-17 | Manual blank-plate valve able to be opened or closed quickly |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN012753815 | 2001-11-29 | ||
CN01275381.5 | 2001-11-29 | ||
CN01275381 | 2001-11-29 | ||
CN 02125211 CN1216241C (en) | 2001-11-29 | 2002-07-17 | Manual blank-plate valve able to be opened or closed quickly |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1391049A CN1391049A (en) | 2003-01-15 |
CN1216241C true CN1216241C (en) | 2005-08-24 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 02125211 Expired - Fee Related CN1216241C (en) | 2001-11-29 | 2002-07-17 | Manual blank-plate valve able to be opened or closed quickly |
Country Status (1)
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CN (1) | CN1216241C (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100386543C (en) * | 2006-01-28 | 2008-05-07 | 陈秀林 | Blind hole type gate valve |
CN104976353A (en) * | 2015-05-20 | 2015-10-14 | 大众阀门集团有限公司 | Expanding non-rising stem stop valve |
CN107152534B (en) * | 2017-04-17 | 2019-05-07 | 江苏盐阜电站阀门辅机制造有限公司 | A kind of intelligent disconnecting valve with solar power generation function |
CN108167445A (en) * | 2017-11-30 | 2018-06-15 | 北京天恒长鹰科技股份有限公司 | For the double remaining valvings of differential leading screw of near space dirigible |
CN117072693B (en) * | 2023-10-17 | 2024-01-30 | 石家庄先楚核能装备股份有限公司 | Sector blind plate valve with jacking clamping device |
CN117646804B (en) * | 2024-01-30 | 2024-04-19 | 潍坊威特尔管业有限公司 | Mining electric control valve and method thereof |
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2002
- 2002-07-17 CN CN 02125211 patent/CN1216241C/en not_active Expired - Fee Related
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CN1391049A (en) | 2003-01-15 |
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Granted publication date: 20050824 |