CN204004718U - A kind of rotating feeding valve - Google Patents
A kind of rotating feeding valve Download PDFInfo
- Publication number
- CN204004718U CN204004718U CN201420474672.1U CN201420474672U CN204004718U CN 204004718 U CN204004718 U CN 204004718U CN 201420474672 U CN201420474672 U CN 201420474672U CN 204004718 U CN204004718 U CN 204004718U
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- rotating shaft
- valve
- rod
- valve body
- rotating
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Abstract
The utility model discloses a kind of rotating feeding valve, comprise upper valve body, supply pipe, valve seat; Upper valve body is provided with an axis hole, fixes an axle bed on axis hole, is provided with rotating shaft in axle bed, and rotating shaft upper end connects actuator, and lower end connects lower push-rod; The lower end that the fixed end of lower push-rod is provided with square hole and is socketed in rotating shaft makes lower push-rod axis rotation around the shaft; Rotating shaft lower end is provided with outside thread, and outside thread is provided with locking nut, is also inserted with cotter pin in the rotating shaft below locking nut; On the free end of lower push-rod, valve plate is housed, between this free end and valve plate, is provided with preloading spring; Between rotating shaft and axle bed, be from up to down provided with a ball bearing and a tapered roller bearing, the part of rotating shaft between ball bearing and tapered roller bearing is provided with the shaft shoulder; Axle bed is provided with upper press cover and lower cover, is provided with a seal ring between upper press cover and rotating shaft, is provided with an outside framework oil seal and a v-ring between lower cover and rotating shaft.This valve is used reliable, failure rate is low, and maintenance is little.
Description
Technical field
The utility model relates to valve, relates in particular to a kind of rotating feeding valve.
Background technique
Rotating feeding valve is current more wear-resisting a kind of pneumatic valve, and it reverses running shaft by pneumatic actuator and drives valve plate crankmotion.Rotating feeding valve has been widely used in air-transport system at present, and other variously have in the conveyance conduit that material passes through, it has replaced traditional valve mechanism, as dome valve, Parallel Slide Valves and Pneumatic butterfly valve etc., because of its wear-resisting and high temperature resistant, failure rate is low, the feature such as frequency of maintenance is minimum and there is larger advantage.
The rotating feeding valve of current various structures (being also " feeding valve "), includes cylinder, valve body, valve seat, valve plate, rotating shaft, axle bed, upper and lower push rod etc., but all has following subject matter:
1, at valve plate switch frequently in situation; the sealing surface of seat being mated produces sliding friction repeatedly, and service time is longer, just produces sealing surface and does not sternly leak; cause valve pressure release and shut down adjustment seal clearance, when serious, medium washes away valve plate and causes more renewing valve plate.2, because entering the medium of rotating feeding valve valve inner, mostly be fine powder or ultra-fine powder, the air that is 1.0MPa with pressure is scurried into axle bed inside, by the grease contaminated on internal bearings and rotating shaft surface, as cleaning not in time, heavy wear bearing and rotating shaft surface after dust and lubricating grease mix.3, when valve plate on-off times increases, lower push-rod is in reciprocating rotary process, because of the catch a cold impact of hot temperature degree and repeatedly becoming flexible under stressed effect of stop nut, cause lower push-rod to move down, finally cause valve plate to come off, when serious, with lower push-rod, drop in the cylindrical shell or miscellaneous equipment of connection, not only need to overhaul valve, also discharge port stopped up and stop transport or examination and repair system.4, from the valve of current common this structure, its final controlling element-cylinder is fixed on cylinder body front cover or approaches on front cover lower support axle, after long-time use cylinder, because of these back shaft wearing and tearing, makes whole cylinder produce and rock when flexible.When the piston rod of cylinder is flexible, repeatedly to Sealing " reaming ", cause Sealing and dust ring gas leakage even to come off, valve plate switch is not in place and cause its gas leakage, the accident of system forced outage.
Model utility content
The purpose of this utility model is to provide a kind of rotating feeding valve of new structure, overcomes the problems referred to above that existing rotating feeding valve exists, and improves the working life of valve, reduces frequency of maintenance and maintenance cost.
For realizing above object, the utility model provides a kind of rotating feeding valve, comprises upper valve body, and upper valve body is provided with supply pipe, and supply pipe has valve seat, and supply pipe is connected on valve seat housing; Upper valve body is also provided with an axis hole, fixes an axle bed on axis hole, is provided with rotating shaft in axle bed, and rotating shaft upper end connects actuator, and lower end connects lower push-rod, and lower push-rod one end is free end, and the other end is fixed end;
The lower end that the fixed end of lower push-rod is provided with the square hole coordinating with rotating shaft and is socketed in rotating shaft makes lower push-rod axis rotation around the shaft; Rotating shaft lower end is provided with outside thread, and outside thread is provided with the loosening locking nut of fixed end that prevents lower push-rod, is also inserted with cotter pin in the rotating shaft below locking nut; On the free end of lower push-rod, valve plate is housed, between this free end and valve plate, is provided with preloading spring, the sealing surface between valve plate and valve seat is fitted tightly;
Between rotating shaft and axle bed, be from up to down provided with a ball bearing and a tapered roller bearing, the part of rotating shaft between ball bearing and tapered roller bearing is provided with and can limits two axially movable shaft shoulders of bearing;
Axle bed is provided with the upper press cover covering from the top down and the lower cover covering from bottom to top, is provided with a seal ring between upper press cover and rotating shaft, is provided with an outside framework oil seal and a v-ring between lower cover and rotating shaft.
Further, the upper surface of valve plate is provided with the ceramic ring identical with valve seat or ceramic plate.
Further, valve seat is provided with the ceramic ring identical with valve plate upper surface.
Further, upper valve body inside is provided with the slideway that supports valve plate motion, and slideway arranges along valve plate movement locus.
Further, upper valve body supply pipe inwall is provided with ceramic layer.
Further, the free end of lower push-rod is provided with a through hole longitudinally, through hole inside is provided with preloading spring, preloading spring top connects valve plate bottom, preloading spring bottom is provided with a jackscrew, the internal thread screw-thread fit that jackscrew and via bottoms arrange, by adjusting the pretightening force size of jackscrew capable of regulating preloading spring, jackscrew is provided with a tightening nut.
Further, also comprise the lower valve body being connected with upper valve body, lower valve body bottom is provided with outlet.
Further, actuator comprises cylinder and upper push-rod, and cylinder tail end is fixed on upper valve body, and upper push-rod one end is connected with cylinder output shaft, and the other end is fixedly connected with rotating shaft upper end.
Further, the piston of cylinder is provided with magnetic material, and outside is provided with magnetic switch.
Further, V-shaped seal ring material is fluorine rubber or polyurethane.
This rotating feeding valve is according to loading characteristic between axle bed and rotating shaft, in top position, be provided with ball bearing and seal ring, can meet the motion requirement of rotating shaft and can prevent that dust from entering axle bed inside, stressed larger because of rotating shaft in position on the lower, be provided with tapered roller bearing, can bear active force axially and radially, guarantee the reliable and stable work of rotating shaft, simultaneously because dust is more easily entered in axle bed bottom, in bottom, be provided with outside framework oil seal and v-ring, make dust cannot enter axle bed space, the lubricated assurance between rotating shaft and axle bed.In addition by the shaft shoulder is set, do not need the spacing that other devices have just guaranteed ball bearing and tapered roller bearing is set, axle bed inside is fixed in rotating shaft firmly; Rotating shaft and lower push-rod fixed end, by gapped square hole, make lower push-rod installation and removal easily.Meanwhile, the rotating shaft end of lower push-rod below is also provided with locking nut and cotter pin, can guarantee the lower push-rod rotating shaft that can not come off completely, has guaranteed the safety of the equipment that bottom connects, and the reliability of valve strengthens.Between lower push-rod free end and valve plate because being provided with preloading spring, thereby guaranteed that valve plate and valve seat fit tightly all the time without leaking, and have improved the tightness of valve.The rotating feeding valve of this structure can be used in any larger-size equipment barrel, upper valve body is directly bound up on equipment barrel flanged plate, lower push-rod and valve plate are all placed in equipment barrel inside, without lower valve body is set, when having reduced installing space height, can also reduce cost, excellent performance, is used flexibly.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is plan view of the present utility model;
Fig. 2 is plan view of the present utility model;
Fig. 3 is the interior view of upper valve body 1;
In figure: 1 upper valve body; 2 supply pipes; 3 valve seats; 4 axle beds; 5 rotating shafts; 6 actuators; 7 lower push-rods; 8 free ends; 9 fixed ends; 10 locking nuts; 11 cotter pins; 12 valve plates; 13 preloading springs; 14 ball bearings; 15 tapered roller bearings; 16 shaft shoulders; 17 upper press covers; 18 lower covers; 19 seal rings; 20 outside framework oil seals; 21V shape seal ring; 22 jackscrews; 23 tightening nuts; 24 times valve bodies; 25 outlets; 26 cylinders; 27 upper push-rods; 28 slideways.
Embodiment
For making the utility model embodiment's object, technological scheme and advantage clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiments.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1:
With reference to Fig. 1～Fig. 3, the utility model provides a kind of rotating feeding valve, comprises upper valve body 1, and upper valve body 1 is provided with supply pipe 2, and supply pipe 2 has valve seat 3, and supply pipe 2 is connected on valve seat 3 housings; Upper valve body 1 is also provided with an axis hole, fixes an axle bed 4 on axis hole, is provided with rotating shaft 5 in axle bed 4, and rotating shaft 5 upper ends connect actuator 6, and lower end connects lower push-rod 7, and lower push-rod 7 one end are free end 8, and the other end is fixed end 9;
The lower end that the fixed end 9 of lower push-rod 7 is provided with the square hole coordinating with rotating shaft 5 and is socketed in rotating shaft 5 makes lower push-rod 75 axis rotations around the shaft; Rotating shaft 5 lower ends are provided with outside thread, and outside thread is provided with the loosening locking nut 10 of fixed end 9 that prevents lower push-rod 7, in the rotating shaft 5 of locking nut below 10, is also inserted with cotter pin 11; On the free end 8 of lower push-rod 7, valve plate 12 is housed, between this free end 8 and valve plate 12, is provided with preloading spring 13, the sealing surface between valve plate 12 and valve seat 3 is fitted tightly;
Between rotating shaft 5 and axle bed 4, be from up to down provided with a ball bearing 14 and a tapered roller bearing 15, the part of rotating shaft 5 between ball bearing 14 and tapered roller bearing 15 is provided with and can limits two axially movable shaft shoulders 16 of bearing;
Axle bed 4 is provided with the upper press cover 17 covering from the top down and the lower cover 18 covering from bottom to top, is provided with a seal ring 19 between upper press cover 17 and rotating shaft 5, is provided with an outside framework oil seal 20 and a v-ring 21 between lower cover 18 and rotating shaft 5.
This rotating feeding valve is provided with axle bed 4, according to loading characteristic between axle bed 4 and rotating shaft 5, in top position, be provided with ball bearing 14 and seal ring 19, can meet the motion requirement of rotating shaft 5 and can prevent that dust from entering axle bed 4 inside, stressed larger because of rotating shaft 5 in position on the lower, be provided with tapered roller bearing 15, can bear active force axially and radially, guarantee the reliable and stable work of rotating shaft 5, simultaneously because dust is more easily entered in axle bed 4 bottoms, in bottom, be provided with outside framework oil seal 20 and v-ring 21, make dust cannot enter axle bed 4 spaces, lubricated assurance between rotating shaft 5 and axle bed 4.In addition by the shaft shoulder 16 is set, do not need the spacing that other devices have just guaranteed ball bearing 14 and tapered roller bearing 15 is set, axle bed 4 inside are fixed in rotating shaft 5 firmly; The fixed end 9 of rotating shaft 5 and lower push-rod 7, by gapped square hole, makes lower push-rod 7 installation and removal easily.Meanwhile, rotating shaft 5 ends of lower push-rod 7 belows are also provided with locking nut 10 and cotter pin 11, can guarantee lower push-rod 7 rotating shaft 5 that can not come off completely, have guaranteed the safety of the equipment that bottom connects.
In actual use, the situation that valve plate 12 comes off happens occasionally, and causes valve leak even cannot normally use and affect the continuous operation of whole system equipment, the setting of the locking nut 10 of lower push-rod 7 fixed ends 9, valve plate 12 can not be come off again, and the reliability of valve strengthens.
Between lower push-rod 7 free ends 8 and valve plate 12 because being provided with preloading spring 13, thereby guaranteed that valve plate 12 and valve seat 3 fit tightly all the time without leaking, and have improved the tightness of valve.
The rotating feeding valve of this structure can be used in any larger-size equipment barrel, upper valve body 1 is directly bound up on equipment barrel flanged plate, lower push-rod 7 and valve plate 12 are all placed in equipment barrel inside, without lower valve body 24 is set, when having reduced installing space height, can also reduce cost, excellent performance, is used flexibly.
Preferably, in order to reduce the wearing and tearing of valve plate 12 and valve seat 3 surface of contact, the upper surface of valve plate 12 is provided with ceramic ring or the ceramic plate identical with valve seat 3.The main material of ceramic ring or ceramic plate is AL2O3, bonding with 250 ℃ of above binders of continuous heatproof, is adapted at high temperature (being no more than 250 ℃) environment and uses, and tool has good wearability.
Preferably, in order to reduce the wearing and tearing of valve seat 3 and valve plate 12 surface of contact, valve seat 3 is provided with the ceramic ring identical with valve plate 12 upper surfaces.The main material of ceramic ring is AL2O3, bonding with 250 ℃ of above binders of continuous heatproof, is adapted at high temperature (being no more than 250 ℃) environment and uses, and tool has good wearability.
Preferably, upper valve body 1 inside is provided with the slideway 28 that supports valve plate 12 motions, and slideway 28 is along valve plate 12 movement locus settings.Because valve plate 12 can lift off a seat gradually 3 when opening, on the one hand, in valve plate 12 motions, can there is because of the active force of bottom spring top power upwards, if as other support, valve plate 12 surfaces can tilt or friction valve interior surface, on the other hand, also can increase a lot of frictional force, valve motion resistance is increased; Be provided with after slideway 28, can guarantee that valve plate 12 has all the time stable surface of contact in top when motion, and reduce the resistance of valve event.The main material of slideway 28 is AL
2o
3pottery or alloyed steel, with 250 ℃ of above binder bonded ceramics bar or welding of continuous heatproof, be adapted at high temperature (being no more than 250 ℃) environment and use, and tool has good wearability.
Preferably, upper valve body 1 supply pipe 2 inwalls are provided with ceramic layer.When the medium charging having with pressure; conventionally can form local eddy currents in upper valve body 1 inside, thereby therefore wearing and tearing upper valve body 1 internal surface arranges ceramic layer in upper valve body 1 inside; can protect the upper valve body 1 of steel part not to be washed wearing and tearing, thereby extend the working life of valve.
Preferably, in order to make the pretightening force of the spring between lower push-rod 7 and valve plate 12 adjustable, and avoid the situation that valve plate 12 comes off to occur, free end 8 at lower push-rod 7 is provided with a through hole longitudinally, through hole inside is provided with preloading spring 13, preloading spring 13 tops connect valve plate 12 bottoms, preloading spring 13 bottoms are provided with a jackscrew 22, the internal thread screw-thread fit that jackscrew 22 and via bottoms arrange, by adjusting the pretightening force size of jackscrew 22 capable of regulating preloading springs 13, jackscrew 22 is provided with a tightening nut 23.
Preferably, also comprise the lower valve body 24 being connected with upper valve body 1, lower valve body 24 bottoms are provided with outlet 25.When rotating feeding valve is installed on the ingress of cylindrical shell or other equipment, lower valve body 24 need to be set, valve integral body is provided with an import and an outlet, and material enters rotating feeding valve from import, from exporting 25 discharges.
Preferably, actuator 6 comprises cylinder 26 and upper push-rod 27, and cylinder 26 tail ends are fixed on upper valve body 1, and upper push-rod 27 one end are connected with cylinder 26 output shafts, the other end and rotating shaft 5 upper end fixed connections.Cylinder 26 adopts tail end means of fixation, makes cylinder 26 whole fixing, when cylinder 26 motion, does not bear power radially, and cylinder 26 sealings can not produce leakage, and frequency of maintenance reduces greatly.
Preferably, the piston of cylinder 26 is provided with magnetic material, and outside is provided with magnetic switch.Thus, can be by the detection of magnetic switch, the clear location status of grasping easily valve, and understand valve and whether move and put in place, be convenient to realize remote monitoring.
Preferably, v-ring 21 materials are fluorine rubber or polyurethane.Can bear fluorine rubber or the polyurethane material of high temperature, can meet well the temperature requirement of valve to working environment, guarantee that sealing is tight.
This rotating feeding valve is according to the loading characteristic between axle bed 4 and rotating shaft 5, in top position, be provided with ball bearing 14 and seal ring 19, can meet the motion requirement of rotating shaft 5 and can prevent that dust from entering axle bed 4 inside, stressed larger because of rotating shaft 5 in position on the lower, be provided with tapered roller bearing 15, can bear active force axially and radially, guarantee the reliable and stable work of rotating shaft 5, simultaneously because dust is more easily entered in axle bed 4 bottoms, in bottom, be provided with outside framework oil seal 20 and v-ring 21, make dust cannot enter axle bed 4 spaces, lubricated assurance between rotating shaft 5 and axle bed 4.In addition by the shaft shoulder 16 is set, do not need the spacing that other devices have just guaranteed ball bearing 14 and tapered roller bearing 15 is set, axle bed 4 inside are fixed in rotating shaft 5 firmly; Rotating shaft 5 and lower push-rod 7 fixed ends 9, by gapped square hole, make lower push-rod 7 installation and removal easily.Meanwhile, rotating shaft 5 ends of lower push-rod 7 belows are also provided with locking nut 10 and cotter pin 11, can guarantee lower push-rod 7 rotating shaft 5 that can not come off completely, have guaranteed the safety of the equipment that bottom connects, and the reliability of valve strengthens.Between lower push-rod 7 free ends 8 and valve plate 12 because being provided with preloading spring 13, thereby guaranteed that valve plate 12 and valve seat 3 fit tightly all the time without leaking, and have improved the tightness of valve.The rotating feeding valve of this structure can be used in any larger-size equipment barrel, upper valve body 1 is directly bound up on equipment barrel flanged plate, lower push-rod 7 and valve plate 12 are all placed in equipment barrel inside, without lower valve body 24 is set, when having reduced installing space height, can also reduce cost, excellent performance, is used flexibly.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
Above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technological scheme that still can record aforementioned each embodiment is modified, or part technical characteristics is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment's technological scheme of the utility model.
Claims (10)
1. a rotating feeding valve, is characterized in that: comprise upper valve body, upper valve body is provided with supply pipe, and supply pipe has valve seat, and supply pipe is connected on valve seat housing; Upper valve body is also provided with an axis hole, fixes an axle bed on axis hole, is provided with rotating shaft in axle bed, and rotating shaft upper end connects actuator, and lower end connects lower push-rod, and lower push-rod one end is free end, and the other end is fixed end;
The lower end that the fixed end of lower push-rod is provided with the square hole coordinating with rotating shaft and is socketed in rotating shaft makes lower push-rod axis rotation around the shaft; Rotating shaft lower end is provided with outside thread, and outside thread is provided with the loosening locking nut of fixed end that prevents lower push-rod, is also inserted with cotter pin in the rotating shaft below locking nut; On the free end of lower push-rod, valve plate is housed, between this free end and valve plate, is provided with preloading spring, the sealing surface between valve plate and valve seat is fitted tightly;
Between rotating shaft and axle bed, be from up to down provided with a ball bearing and a tapered roller bearing, the part of rotating shaft between ball bearing and tapered roller bearing is provided with and can limits two axially movable shaft shoulders of bearing;
Axle bed is provided with the upper press cover covering from the top down and the lower cover covering from bottom to top, is provided with a seal ring between upper press cover and rotating shaft, is provided with an outside framework oil seal and a v-ring between lower cover and rotating shaft.
2. rotating feeding valve according to claim 1, is characterized in that: the upper surface of described valve plate is provided with the ceramic ring identical with valve seat or ceramic plate.
3. rotating feeding valve according to claim 1 and 2, is characterized in that: described valve seat is provided with the ceramic ring identical with valve plate upper surface.
4. rotating feeding valve according to claim 3, is characterized in that: described upper valve body inside is provided with the slideway that supports valve plate motion, and slideway arranges along valve plate movement locus.
5. rotating feeding valve according to claim 1 and 2, is characterized in that: described upper valve body supply pipe inwall is provided with ceramic layer.
6. rotating feeding valve according to claim 1 and 2, it is characterized in that: the free end of described lower push-rod is provided with a through hole longitudinally, through hole inside is provided with preloading spring, preloading spring top connects valve plate bottom, preloading spring bottom is provided with a jackscrew, the internal thread screw-thread fit that jackscrew and via bottoms arrange, by adjusting the pretightening force size of jackscrew capable of regulating preloading spring, jackscrew is provided with a tightening nut.
7. rotating feeding valve according to claim 1 and 2, is characterized in that: also comprise the lower valve body being connected with upper valve body, lower valve body bottom is provided with outlet.
8. rotating feeding valve according to claim 1 and 2, is characterized in that: described actuator comprises cylinder and upper push-rod, and cylinder tail end is fixed on upper valve body, and upper push-rod one end is connected with cylinder output shaft, and the other end is fixedly connected with rotating shaft upper end.
9. rotating feeding valve according to claim 8, is characterized in that: the piston of described cylinder is provided with magnetic material, and outside is provided with magnetic switch.
10. rotating feeding valve according to claim 1 and 2, is characterized in that: described v-ring material is fluorine rubber or polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420474672.1U CN204004718U (en) | 2014-08-21 | 2014-08-21 | A kind of rotating feeding valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420474672.1U CN204004718U (en) | 2014-08-21 | 2014-08-21 | A kind of rotating feeding valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204004718U true CN204004718U (en) | 2014-12-10 |
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ID=52044721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420474672.1U Expired - Fee Related CN204004718U (en) | 2014-08-21 | 2014-08-21 | A kind of rotating feeding valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN204004718U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763845A (en) * | 2017-03-24 | 2017-05-31 | 上海涵欧制药设备有限公司 | A kind of auto switching inlet valve |
| CN106812966A (en) * | 2017-01-25 | 2017-06-09 | 苏州振湖电炉有限公司 | For the water cooled seal valve of vaccum sensitive stove feed compartment |
| CN108639588A (en) * | 2018-05-18 | 2018-10-12 | 胡湘粤 | A kind of plastic part processing raw material fireproof memory device |
| CN109295477A (en) * | 2018-11-12 | 2019-02-01 | 四川启明星铝业有限责任公司 | Powder constant volume and unloading device |
| CN111336270A (en) * | 2020-03-12 | 2020-06-26 | 河南鼎盛铝业有限公司 | Pneumatic wear-resistant ceramic rotary slag discharge valve |
| CN111587339A (en) * | 2018-01-11 | 2020-08-25 | 福伊特专利有限公司 | Valve drive mechanism with quick travel function |
-
2014
- 2014-08-21 CN CN201420474672.1U patent/CN204004718U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812966A (en) * | 2017-01-25 | 2017-06-09 | 苏州振湖电炉有限公司 | For the water cooled seal valve of vaccum sensitive stove feed compartment |
| CN106763845A (en) * | 2017-03-24 | 2017-05-31 | 上海涵欧制药设备有限公司 | A kind of auto switching inlet valve |
| CN111587339A (en) * | 2018-01-11 | 2020-08-25 | 福伊特专利有限公司 | Valve drive mechanism with quick travel function |
| CN111587339B (en) * | 2018-01-11 | 2022-11-01 | 福伊特专利有限公司 | Valve drive mechanism with quick travel function |
| CN108639588A (en) * | 2018-05-18 | 2018-10-12 | 胡湘粤 | A kind of plastic part processing raw material fireproof memory device |
| CN109295477A (en) * | 2018-11-12 | 2019-02-01 | 四川启明星铝业有限责任公司 | Powder constant volume and unloading device |
| CN111336270A (en) * | 2020-03-12 | 2020-06-26 | 河南鼎盛铝业有限公司 | Pneumatic wear-resistant ceramic rotary slag discharge valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20190821 |
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| CF01 | Termination of patent right due to non-payment of annual fee |