CN205026121U - Sealed rotatory slide valve of multi -door overlapping of modular - Google Patents
Sealed rotatory slide valve of multi -door overlapping of modular Download PDFInfo
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- CN205026121U CN205026121U CN201520506929.1U CN201520506929U CN205026121U CN 205026121 U CN205026121 U CN 205026121U CN 201520506929 U CN201520506929 U CN 201520506929U CN 205026121 U CN205026121 U CN 205026121U
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Abstract
The utility model relates to a sealed rotatory slide valve of multi -door overlapping of modular, its characterized in that: including the one -way sealing unit, the every one -way sealing of group unit includes that N says that modular seals up the valve plate, sealed valve plate includes and is equipped with the movive seal valve plate in the place ahead of static seal valve plate by a static seal valve plate that the aforesaid is moved, static seal valve plate cover is established in same pivot, and closely sets up side by side face -to -face in proper order, at least, be equipped with a ring gear moving the valve plate excircle, have rotating device with the ring gear cooperation, the both sides of one -way sealing unit are equipped with fastener, move, the static seal valve plate uses the pivot center to have fan -shaped through -hole and fan -shaped shut as centre of a circle ring array, compares with prior art, it has, and the circulation rate is high, small, the advantage of the maintenance of being convenient for.
Description
Technical field
The invention relates to a kind of seal valve, especially a kind of employing modular type multi-door lap seal rotating gate plate valve.
Background technique
Existing valve is all generally employing one dynamic a static seal, i.e. a rotation, fixes, realizes the opening and closing of passage like this for one, but existing this valve exists following several problem:
1, valve adopts one dynamic one quiet, even if both are in the state of conducting like this, relative to the area of valve plate, it only has the unlatching rate of 50%, a kind of effect of choked flow will certainly being produced the fluid of conducting, therefore in order to eliminate this choked flow, needing the size of valve to increase, and increasing size, the size, cost etc. of valve will rise.
2, present valve is all all-in-one-piece structure, and when such as there is the situation of leaking, need to change new valve after whole valve dismounting or to change after being repaired by valve again, when this kind of situation is larger for diameter valve, it is changed and maintains more difficult.
Summary of the invention
For the problems referred to above, the invention provides a kind of modular type multi-door lap seal rotating gate plate valve, modular type multi-door lap seal rotating gate plate valve adopts multiple modular assembly, and is provided with multiple dynamic valve board structure, and outside is at least provided with a quiet valve plate or both sides are respectively provided with a quiet valve plate; After this kind of mode, effectively can increase discharge value, when same stream passband, that the size of valve can be done is less.
For achieving the above object, the utility model solves by the following technical programs:
A kind of modular type multi-door lap seal rotating gate plate valve, comprise at least one group of one-way sealing unit, described often group one-way sealing unit comprises the modular sealing valve plate in N road, wherein N >=3, and N is natural number; Above-mentioned sealing valve plate comprises the static seal valve plate being positioned at side, along valve conducting direction, is provided with motive sealing valve plate in N-1 road in the front of static seal valve plate, and above-mentioned dynamic and static seal valve sleeve-board is located in same rotating shaft, and closely arranges side by side face-to-face successively; At least be provided with a gear ring at dynamic valve plate cylindrical, be combined with slewing gear with gear ring; The both sides of one-way sealing unit are provided with securing means; Dynamic and static sealing valve plate is that center of circle circular array shows N number of sector element with spindle central, and be provided with the individual adjacent fan-shaped pylone of N-1 in N number of sector element, a fan-shaped closure plate, via count equals motive sealing valve plate number.
Preferably, described modular type multi-door lap seal rotating gate plate valve comprises at least two group one-way sealing unit, namely a static seal valve plate is respectively provided with in the both sides of motive sealing valve plate, two groups of one-way sealing units shareds are positioned at middle motive sealing valve plate and form two reverse one-way sealing unit, and two one-way sealings form two way sealed unit.
Preferably, the outside of described plate valve is square structure, square pull valve outside and valve pipe in vertical slot mates, quadra vertically cell body moves up and down.
Preferably, the described motive sealing valve plate number often organizing one-way sealing unit is two, each dynamic and static sealing valve plate is center of circle circular array shows three sector elements with spindle central, in three sector elements, is provided with two adjacent fan-shaped pylone, fan-shaped closure plates; At least side of two motive sealing valve plates is provided with static seal valve plate.
Preferably, the described motive sealing valve plate number often organizing one-way sealing unit is three, each dynamic and static sealing valve plate is center of circle circular array shows four sector elements with spindle central, in four sector elements, is provided with three adjacent fan-shaped pylone, fan-shaped closure plates; At least side of motive sealing valve plate is provided with static seal valve plate.
Preferably, described whirligig comprises coordinating with each gear ring and is provided with a swing pinion, and each swing pinion correspondence is provided with a running shaft.
Preferably, described running shaft is respectively provided with a linkage gear, two linkage gears engage each other, and one of them running shaft outer end connects rotating equipment.
Preferably, described motive sealing valve plate is provided with limit stoper; Described limit stoper comprises position-limitting mouth and the limited post of cooperation; Described position-limitting mouth be arrange sealing valve plate on the curve bath being the center of circle with valve plate axle center, above-mentioned curve bath can be whole cell body or, curve bath interpolation establishes limited post.
Preferably, along the side that circulating direction enters, be provided with multiple compressor arm for being installed with motive sealing valve plate on the fastener means.
Preferably, when Open valve, static seal valve plate fixed static, rotational structure drives motive sealing valve plate to rotate, and overlaped by the fan-shaped closure plate of all dynamic and static valve plates, the fan-shaped pylone of all dynamic and static valve plates is all communicated with; When throttle down, high-pressure liquid pushes motive sealing valve plate to low pressure static seal valve plate side, rotary dynamic seal valve valve plate, and the fan-shaped closure plate annular array of static and dynamic sealing valve plate is distributed, by valve shut.
A dynamic valve plate is just equivalent to a door, and several dynamic valve plate is with regard to You Ji road fan-shaped pylone, and quiet valve plate physical dimension is consistent with dynamic valve plate.Multiple dynamic valve plate is just equivalent to there is multiple door in a valve, each dynamic valve plate respectively controls the switch of a road fan-shaped pylone. and unit area through-current capacity is improved greatly, be 80% if two dynamic valve plate flow areas be 66%, three dynamic valve plate flow areas are 75%, four dynamic valve plate flow areas.Modular assembly designs replaceable damaged part, realizes the object of Quick overhaul, high flow rate.
The invention provides a kind of modular type multi-door lap seal rotating gate plate valve: be made up of dynamic valve plate, quiet valve plate, cylindric valve body, flange plate, gear set assemblies, axle, copper sheathing, joint shaft bearing etc.Plural dynamic valve plate and a quiet valve plate form a valve switch unit.
Working principle and the beneficial effect of the invention show:
Discoid dynamic, on static seal valve block, be provided with a fan-shaped closure plate, multiple fan-shaped pylone and sealing rib, the quantity of fan-shaped pylone is equal with dynamic valve plate quantity, when Open valve, all dynamic, the fan-shaped closure plate of quiet valve plate overlaps, all dynamic, the fan-shaped pylone of quiet valve plate is all communicated with, when throttle down, high-pressure liquid pushes dynamic valve plate to low voltage side, near the dynamic valve plate fan-shaped closure plate of the quiet valve plate of low voltage side, the fan-shaped pylone of a lap seal quiet valve plate of low voltage side, second dynamic valve plate fan-shaped closure plate, lap seal first moves valve plate one fan-shaped pylone, the like until whole fan-shaped pylone is closed.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings;
Fig. 1 is embodiment 1 structural representation;
Fig. 2 is embodiment 1 seal valve plate structure schematic diagram;
Fig. 3 is slewing gear structural representation;
Fig. 4 is embodiment 2 structural representation;
Fig. 5 is embodiment 2 seal valve plate structure schematic diagram;
Fig. 6 is embodiment 3 plan structure schematic diagram;
Fig. 7 is the main TV structure schematic diagram of embodiment 3;
Fig. 8 is compressor arm and seal valve plate structure schematic diagram.
Embodiment
The correlation technique content do not addressed below all can adopt or use for reference prior art.
Technological scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technological scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
As shown in Figure 1, a kind of modular type multi-door lap seal rotating gate plate valve, comprises one-way sealing unit, can adopt an one-way sealing unit during one-way sealing, during two way sealed, can adopt the one-way sealing unit that two (even multiple) are reverse.
Certainly, two reverse one-way sealing unit can be independently (two do not share any parts mutually), also can be combinations (both shared motive sealing valve plates, below will describe in detail).
Described one-way sealing unit comprises the modular sealing valve plate in N road, so-called modularization refers to that sealing valve plate is independently, connected by detachable Placement, preferred sealing valve plate is disc structure, object because of the invention improves the discharge value of valve, therefore, selects in the quantity of N, by N >=3, N is natural number.
Above-mentioned N road seals in valve plate, and wherein having is static seal valve plate together, i.e. this sealing valve plate fixed installation of so-called static seal valve plate, and relative valve is overall, and this sealing valve plate can not rotate or move.Motive sealing valve plate is referred to as the sealing valve plate that can rotate.
Static and dynamic sealing valve plate combination installation form is as follows: static and dynamic sealing valve is closely arranged face-to-face, at least motive sealing valve plate is fixed in same rotating shaft, preferably also static seal valve plate is fixed in rotating shaft, wherein be provided with joint shaft bearing by between adjacent two motive sealing valve plates, this joint shaft bearing is set in rotating shaft.
Because motive sealing valve plate rotates, for ensureing the smoothness of rotating, therefore the both sides of motive sealing valve plate need to reserve certain distance (such as 0.5-1mm), and no person moves valve plate and cannot rotate, therefore, in order to ensure sealing, the static and dynamic sealing valve plate of this valve installation and fixing on there is directivity: along valve conducting direction, in the front of static seal valve plate, motive sealing valve plate is set, namely along circulating direction, first through motive sealing valve plate, and then flow through static seal valve plate.Motive sealing valve plate with static seal valve plate for stopping, can be installed with and being close to step by step on static seal valve plate by such high-pressure liquid.
Dynamic, static seal valve plate is that center of circle circular array shows N number of territory element (N is herein corresponding with above-mentioned N) with spindle central, the preferred sector element of shape of territory element, because when rotating, cooperation just in time certainly can not get rid of other shape, the such as center of circle, oval, even irregular shape, but these all should be considered as being equal to sector element, the scope that the invention is protected can not be departed from, the individual adjacent fan-shaped pylone of N-1 is provided with in N number of sector element, a fan-shaped closure plate, the floor for cutting off is provided with between adjacent fan-shaped pylone, after arranging above, via count equals motive sealing valve plate number.
After arranging through hole, need the problem considering sealing, the invention can solve in the following manner, mode one, and valve body can adopt stainless steel material, by high-precision processing and grinding, can reach the effect sealed between surface of contact each other; Mode two, can arrange Stamping Steel Ribbon on sealing valve plate, such as will be provided with seal groove on valve plate face, seal groove is provided with Stamping Steel Ribbon, and Stamping Steel Ribbon is at least satisfied to be sealed the periphery of above-mentioned fan-shaped pylone; Certainly other seal form can not be discharged.
The rotation formula of the invention is as follows:
Be provided with gear ring at least one dynamic valve plate cylindrical, be combined with slewing gear with gear ring; Motive sealing valve plate can be driven to rotate by slewing gear.
Slewing gear can adopt following mechanism:
1, the simplest, each sealing valve plate is provided with gear ring, is combined with gear and gear shaft with each gear ring, the rotation of independent control gear axle, thus controls the rotation angle of each motive sealing valve plate.
When 2, two being provided with for motive sealing valve plate, each motive sealing valve plate peripheral hardware has gear ring, be provided with outside gear ring and be fixed with swing pinion and gear shaft, each spinning (describing in 1) of two motive sealing valve plates can be controlled separately, also can by being arranged with the gear be meshed for a pair on gear shaft, realize linkage rotation in the other direction, a gear shaft linkage two motive sealing valve plates can be controlled like this and rotate.
When 3, multiple tracks (exceeding twice) being provided with for motive sealing valve plate, gear ring can being provided with separately on each sealing valve plate, and being combined with transmitting gear and gear shaft with each gear ring, respective control (describing in 1) can be realized by turning gear wheel shaft; But for the ease of controlling, also can realize interlock, linked manner is as follows, is only provided with gear ring on outermost motive sealing valve plate, and driven by corresponding gear, gear shaft; Simultaneously, from this motive sealing valve plate, interlock and limit structure is provided with between adjacent sealing valve plate, structure is as follows: the cylinder being provided with corresponding curve bath between two adjacent seals valve plates and being inserted in curve bath, when such upper level sealing valve plate rotates, only have when cylinder turns to the two ends of curve bath, the next stage that could link sealing valve plate rotates (afterbody stops rotating after having arrived static seal valve plate); The position of curve bath and cylinder meets, and when rotating to the last limit, valve is just in time shut by N number of shut.
Certainly in above-mentioned 2, twice motive sealing valve plate also can adopt the linkage structure of 3, but adopts this to seal latter two motive sealing valve plate rotating Vortex, and opening/closing time is longer relative to oppositely rotating simultaneously.
The both sides of one-way sealing unit are provided with securing means, such as flange, and the function that the static seal valve plate being positioned at outermost end can serve as flange is fixed.
Above-mentioned curve bath and cylinder can carry out following equivalent replacement: curve bath two end of travel near break point time its degree of depth increase, cylinder becomes the structure of elastic telescopic, when progressing into curve bath, cylinder extend into curve bath gradually under the effect of elastic force, when away from curve bath, cylinder is by compression and back.
The elastic structure of cylinder comprises telescopic head, has been installed with spring between telescopic head and valve plate end face.
When Open valve, static seal valve fixed static, rotational structure drives seal valve to rotate, and overlaped by the fan-shaped closure plate of all dynamic and static valve plates, the fan-shaped pylone of all dynamic and static valve plates is all communicated with; When throttle down, high-pressure liquid pushes dynamic valve plate to low voltage side, near the dynamic valve plate fan-shaped closure plate of the quiet valve plate of low voltage side, the fan-shaped pylone of a lap seal quiet valve plate of low voltage side, second dynamic valve plate fan-shaped closure plate, lap seal first moves valve plate one fan-shaped pylone, the like until whole fan-shaped pylone is closed.
Along the side that circulating direction enters, at securing means 31(static seal valve plate or valve body or flange) on be provided with shown in multiple compressor arm 30, Fig. 8 for being installed with motive sealing valve plate; This compressor arm can adopt the form of hold-down bolt or hydraulic piston, and compressor arm is stretched into by the edge of securing means (such as flange or static seal valve plate), does not affect former sealing.
When after throttle down, during valve imprecision, hold-down bolt or hydraulic piston compress motive sealing valve plate 12.
Embodiment 1
What the present embodiment was not addressed can adopt said structure or known structure.
Shown in Fig. 1, the present embodiment is one-way seal valve, comprises three seals valve plate, and having in three seals valve plate is static seal valve plate 11 together, is respectively equipped with twice motive sealing valve plate 12 in the side of static seal valve plate 11.
Shown in Fig. 2, each dynamic and static sealing valve plate is center of circle circular array shows three sector elements with spindle central, in three sector elements, is provided with two adjacent fan-shaped pylone 13, fan-shaped closure plates 14; Be floor 15 between two adjacent sector elements.
The slewing gear of the present embodiment can adopt 2 above-mentioned forms:
Each motive sealing valve plate peripheral hardware has gear ring, be provided with outside gear ring and be fixed with swing pinion 16 and gear shaft, shown in Fig. 3, by being arranged with the gear 17 be meshed for a pair on gear shaft, realize linkage rotation in the other direction, a gear shaft linkage two motive sealing valve plates can be controlled like this and rotate.
Embodiment 2
Shown in Fig. 4, the present embodiment is two way sealed valve, comprises at least two one-way sealing unit, and each one-way sealing unit comprises four road sealing valve plates, having in four road sealing valve plates is static seal valve plate 11 together, is respectively equipped with three road motive sealing valve plates 12 in the side of static seal valve plate 11.
Shown in Fig. 5, each dynamic and static sealing valve plate is center of circle circular array shows four sector elements with spindle central, in four sector elements, is provided with three adjacent class right angle fan-shaped pylone 23, class right angle fan-shaped closure plates 24; Be floor 15 between three adjacent sector elements.
The slewing gear of the present embodiment can adopt 3 above-mentioned forms:
Only on outermost motive sealing valve plate, be provided with gear ring, and driven by corresponding gear, gear shaft; Simultaneously, from this motive sealing valve plate, the cylinder 26 being provided with corresponding curve bath 25 between two adjacent seals valve plates and being inserted in curve bath, when such upper level sealing valve plate rotates, only have when cylinder turns to the two ends of curve bath, the next stage that could link sealing valve plate rotates (afterbody stops rotating after having arrived static seal valve plate); The position of curve bath 25 and cylinder 26 meets, and when rotating to the last limit, valve is just in time shut by N number of shut.
Two one-way sealing units shareds, three motive sealing valve plates of the present embodiment, are respectively provided with a static seal valve plate in the both sides of three motive sealing valve plates, result in formation of two partly overlapping reverse one-way sealing unit, thus form two way sealed.
Outermost two the static seal valve plates of the present embodiment can play the effect be fixedly connected with, and alternative flange is fixed.
The discharge value of the present embodiment can reach the state a little less than 75%.
As the improvement of the invention, N can be carried out rule and expand, such as N=5,6,7 etc., to realize better flow rate.
Embodiment 3
In the present embodiment, the edge designs of whole valve is become rectangular configuration, the design of the securing means (such as flange, static seal valve plate) of valve body both sides directly can be become rectangular configuration (such as the profile of static seal valve plate be can be square-outside and round-inside etc. and install shape) by this rectangular configuration, certainly also can to meet under air-proof condition on the shell of valve body shown in a sheathed rectangle frame 61, Fig. 6,7.
Rectangle frame 61 just in time matches with the vertical slot 62 in pipeline 64, and namely valve can under the effect of boom hoisting, and the vertical slot up and down along pipeline moves, the family of power and influence in the external brake can making square-outside and round-inside; Be used in dam, irrigation canals and ditches, flue, air channel etc.
In order to enhanced leaktightness effect, can in vertical slot rectangle frame and pipeline surface of contact on a Stamping Steel Ribbon 63 or sealing material are set; Meanwhile, in order to strengthen sealing effect further, can design a groove at the middle part of rectangle frame along coordinating with vertical slot on wall of framework, such Stamping Steel Ribbon or sealing material are compressed in groove and vertical slot.
During normal use, can slewing gear be passed through, control the rotation of the dynamic close valve plate in the present embodiment, thus realize conducting or close.
If when needs temporary transient all conducting or valve go wrong and keep in repair valve, valve can be mentioned, change or overhaul.、
The above is only the preferred implementation of the application, those skilled in the art is understood or realizes the application.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a modular type multi-door lap seal rotating gate plate valve, is characterized in that: comprise at least one group of one-way sealing unit, and described often group one-way sealing unit comprises the modular sealing valve plate in N road, wherein N >=3, and N is natural number; Above-mentioned sealing valve plate comprises the static seal valve plate being positioned at side, along valve conducting direction, is provided with motive sealing valve plate in N-1 road in the front of static seal valve plate, and above-mentioned dynamic and static seal valve sleeve-board is located in same rotating shaft, and closely arranges side by side face-to-face successively; At least be provided with a gear ring at motive sealing valve plate cylindrical, be combined with slewing gear with gear ring; The both sides of one-way sealing unit are provided with securing means; Dynamic and static sealing valve plate is that center of circle circular array shows N number of sector element with spindle central, and be provided with the individual adjacent fan-shaped pylone of N-1 in N number of sector element, a fan-shaped closure plate, via count equals motive sealing valve plate number.
2. modular type according to claim 1 multi-door lap seal rotating gate plate valve, it is characterized in that: described modular type multi-door lap seal rotating gate plate valve comprises at least two group one-way sealing unit, namely a static seal valve plate is respectively provided with in the both sides of motive sealing valve plate, two groups of one-way sealing units shareds are positioned at middle motive sealing valve plate and form two reverse one-way sealing unit, and two one-way sealings form two way sealed unit.
3. modular type according to claim 1 multi-door lap seal rotating gate plate valve, is characterized in that: the outside of described plate valve is square structure, square pull valve outside and valve pipe in vertical slot mates, quadra vertically cell body moves up and down.
4. modular type according to claim 1 multi-door lap seal rotating gate plate valve, it is characterized in that: the described motive sealing valve plate number often organizing one-way sealing unit is two, each dynamic and static sealing valve plate is center of circle circular array shows three sector elements with spindle central, in three sector elements, is provided with two adjacent fan-shaped pylone, fan-shaped closure plates; At least side of two motive sealing valve plates is provided with static seal valve plate.
5. modular type according to claim 1 multi-door lap seal rotating gate plate valve, it is characterized in that: the described motive sealing valve plate number often organizing one-way sealing unit is three, each dynamic and static sealing valve plate is center of circle circular array shows four sector elements with spindle central, in four sector elements, is provided with three adjacent fan-shaped pylone, fan-shaped closure plates; At least side of motive sealing valve plate is provided with static seal valve plate.
6. modular type according to claim 1 multi-door lap seal rotating gate plate valve, is characterized in that: described slewing gear comprises coordinating with each gear ring and is provided with a swing pinion, and each swing pinion correspondence is provided with a running shaft.
7. modular type according to claim 5 multi-door lap seal rotating gate plate valve, is characterized in that: described running shaft is respectively provided with a linkage gear, and two linkage gears engage each other, and one of them running shaft outer end connects rotating equipment.
8. modular type according to claim 1 multi-door lap seal rotating gate plate valve, is characterized in that: described motive sealing valve plate is provided with limit stoper; Described limit stoper comprises position-limitting mouth and the limited post of cooperation; Described position-limitting mouth be arranged on sealing valve plate on the curve bath being the center of circle with valve plate axle center, above-mentioned curve bath can be whole cell body or, curve bath interpolation establishes limited post.
9. modular type according to claim 1 multi-door lap seal rotating gate plate valve, is characterized in that: the side entered along circulating direction, is provided with multiple compressor arm for being installed with motive sealing valve plate on the fastener means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520506929.1U CN205026121U (en) | 2015-07-14 | 2015-07-14 | Sealed rotatory slide valve of multi -door overlapping of modular |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520506929.1U CN205026121U (en) | 2015-07-14 | 2015-07-14 | Sealed rotatory slide valve of multi -door overlapping of modular |
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| CN205026121U true CN205026121U (en) | 2016-02-10 |
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| CN201520506929.1U Expired - Fee Related CN205026121U (en) | 2015-07-14 | 2015-07-14 | Sealed rotatory slide valve of multi -door overlapping of modular |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042101A (en) * | 2015-07-14 | 2015-11-11 | 潘健 | Modular multi-door overlapping sealing rotating gate valve |
| CN105715813A (en) * | 2016-04-29 | 2016-06-29 | 浙江工业大学 | Handle-free filtration gate valve |
| CN107575592A (en) * | 2017-08-31 | 2018-01-12 | 芜湖凡达机械科技有限公司 | A kind of two way seal knife gate valve |
| CN110608293A (en) * | 2019-10-31 | 2019-12-24 | 皓庭(唐山）环境科技有限公司 | Novel air valve structure |
| CN110725974A (en) * | 2019-10-18 | 2020-01-24 | 扬州大学 | Energy-saving three-leaf flap valve and operation method thereof |
-
2015
- 2015-07-14 CN CN201520506929.1U patent/CN205026121U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042101A (en) * | 2015-07-14 | 2015-11-11 | 潘健 | Modular multi-door overlapping sealing rotating gate valve |
| CN105715813A (en) * | 2016-04-29 | 2016-06-29 | 浙江工业大学 | Handle-free filtration gate valve |
| CN107575592A (en) * | 2017-08-31 | 2018-01-12 | 芜湖凡达机械科技有限公司 | A kind of two way seal knife gate valve |
| CN110725974A (en) * | 2019-10-18 | 2020-01-24 | 扬州大学 | Energy-saving three-leaf flap valve and operation method thereof |
| CN110725974B (en) * | 2019-10-18 | 2021-04-02 | 扬州大学 | Energy-saving three-leaf flap valve and operation method thereof |
| CN110608293A (en) * | 2019-10-31 | 2019-12-24 | 皓庭(唐山）环境科技有限公司 | Novel air valve structure |
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Granted publication date: 20160210 Termination date: 20180714 |