CN202195115U - Orbit plug valve capable of being on-line maintained - Google Patents
Orbit plug valve capable of being on-line maintained Download PDFInfo
- Publication number
- CN202195115U CN202195115U CN2011200725775U CN201120072577U CN202195115U CN 202195115 U CN202195115 U CN 202195115U CN 2011200725775 U CN2011200725775 U CN 2011200725775U CN 201120072577 U CN201120072577 U CN 201120072577U CN 202195115 U CN202195115 U CN 202195115U
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- valve
- main valve
- valve body
- hat
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Abstract
The utility model relates to an orbit plug valve capable of being on-line maintained, belonging to a valve and aiming at providing the orbit plug valve capable of being on-line maintained, which is simple in operation, safe and reliable and has low maintenance cost. The orbit plug valve comprises a main valve and a preposing valve, wherein the main valve comprises a main valve casing, a crown valve body, a main valve body, a main valve rod and a crown valve transmission worm gear, corresponding first liquid flow channels are respectively arranged in the main valve casing the crown valve body and the main valve body, a main sealing ring is arranged between the main valve body and the crown valve body, an auxiliary sealing ring is arranged between the crown valve body and the main valve casing, the main sealing ring and the auxiliary sealing ring surround the first liquid flow channels, a crown valve rod sealing ring and a bearing are arranged between the crown valve rod and the main valve casing, a main valve rod sealing spring, a sealing ring and a bearing are arranged between the main valve rod and the crown valve body, a sealing pressing nut is arranged on the main valve rod, the lower end of the sealing pressing nut stretches into the gap between the main valve rod and the crown valve body to be contacted with the main valve rod sealing spring and the upper end surface of the sealing ring, and a repair window is arranged on the main valve casing.
Description
Technical field
The utility model relates to a kind of valve, particularly relates to a kind of valve that can on-line maintenance.
Background technique
Widely-used various ball valves and plate valve in oil movement and storage, fluid chemical and shipbuilding industry are all because it uses maintenance comparatively convenient.But ball seat (primary seal), valve stem seal are easy to wear, because the accident that sealing wear causes accounts for ordinary accident probability 5～10%, so traditionally in two ball valves of key node tandem arrangement (or ball valve and plate valve be in series).At the main valve (MASTER VALVE) of large-scale Oil Tank, LNG jar and fluid chemical jar when accident occurring; Its maintenance is trouble comparatively; After must refuting jar, pipeline purging, degasification, Suiization (must survey quick-fried sometimes), can carry out the off-line maintenance operation, bring great inconvenience to plant maintenance work.
In addition,, be connected valve rod on the valve body and impacted and be out of shape, cause valve rod the stuck fault of distortion to occur, make the valve cisco unity malfunction, thereby cause the further expansion of accident when storage tank or down during oil pipeline generation gas explosion accident.
The model utility content
But the technical problem that the utility model will solve provides a kind of easy and simple to handle, safe and reliable, on-line maintenance type that maintenance cost is low with the warlord.
But the utility model on-line maintenance type is with the warlord; Comprise main valve and foreline valve, said main valve comprises main valve shell, hat valve body, main valve body, main valve stem and hat valve transmission worm gear, and said main valve body is arranged in the hat valve body; Said hat valve body is arranged in the main valve shell; The upper end of hat valve body is preced with valve rod and is passed main valve shell and coaxial fixing with hat valve transmission worm gear, and the lower end of said main valve stem and the upper end of main valve body are in transmission connection, and the upper end of main valve stem is passed the hat valve rod and the hat valve transmission worm gear of hat valve body upper end and be positioned at the main valve shell outside; Be respectively equipped with corresponding first liquid chunnel in said main valve shell, hat valve body and the main valve body; Be provided with the primary seal circle between said main valve body and the hat valve body, be provided with secondary seal ring between said hat valve body and the main valve shell, said primary seal circle and secondary seal ring are looped around on first liquid chunnel; Be provided with hat valve stem packing ring and bearing between said hat valve rod and the main valve shell; Said main valve stem and hat are provided with main valve stem Packing spring and seal ring and bearing between the valve body, and main valve stem is provided with the sealing gland nut, and the lower end of said sealing gland nut is stretched into main valve stem and contacted with being preced with between the valve body and with the upper-end surface of main valve stem Packing spring and seal ring; Offer the repairing window on the said main valve shell
Said foreline valve comprises preposition valve casing, floating type hanging plug valve body and foreline valve transmission worm gear; Said floating type hanging plug valve body is arranged in the preposition valve casing; Be provided with corresponding second liquid chunnel in said preposition valve casing and the floating type hanging plug valve body; Said second liquid chunnel is connected with first liquid chunnel; The upper-end surface of said floating type hanging plug valve body is fixedly connected with at least one pair of passive magnetic pole, and said foreline valve transmission worm gear is installed in the top of preposition valve casing through the foreline valve worm-wheel shaft, is fixedly connected with at least one pair of initiatively magnetic pole on the said foreline valve transmission worm gear; Said active magnetic pole is corresponding with passive position of magnetic pole, and said preposition valve casing and floating type hanging plug valve body all adopt nonmagnetic substance to process.
But the utility model on-line maintenance type is with the warlord; The upper-end surface of wherein said hat valve stem packing ring is provided with Sealing shield ring, and the internal surface of said Sealing shield ring contacts with the hat valve rod, and the upper-end surface of said main valve shell is provided with the sealing internal wedge ring of two semi-round ring shapes; The cross section of said sealing internal wedge ring is horizontal L type; The long limit of the L type of said sealing internal wedge ring contacts with the upper surface of Sealing shield ring, and the L type minor face of sealing internal wedge ring contacts with the outer surface of Sealing shield ring, and the outer surface of said sealing internal wedge ring is up-narrow and down-wide wedge shape; The upper-end surface of said main valve shell is provided with an annular groove; Be provided with the sealing outer wedge ring in the said annular groove, the internal surface of said sealing outer wedge ring is wedge shape wide at the top and narrow at the bottom, and the outer surface of said sealing internal wedge ring fits tightly with the internal surface of sealing outer wedge ring; Be fixedly connected with hat valve seal pressing plate on the upper-end surface of said main valve shell, at least a portion of said hat valve seal pressing plate is pressed on the upper surface of sealing outer wedge ring.
But the utility model on-line maintenance type is provided with the O RunddichtringO with the warlord between the upper surface of wherein said hat valve seal pressing plate and the hat valve transmission worm gear lower surface.
But the utility model on-line maintenance type is with the warlord; Wherein said floating type hanging plug valve body is up big and down small Rotary-table, and said second liquid chunnel is positioned at the middle part of floating type hanging plug valve body, and the lower end surface of said floating type hanging plug valve body offers down pod apertures; Said pod apertures down is connected with second liquid chunnel; The upper-end surface of said floating type hanging plug valve body offers pod apertures, and the said pod apertures that goes up is connected with the horizontal pod apertures that is positioned at floating type hanging plug valve body upper body, and said horizontal pod apertures one end is opened on the outer surface of floating type hanging plug valve body upper body; The direction of the direction of horizontal pod apertures and second liquid chunnel is perpendicular; Vertically offer guiding gutter on the outer surface of said floating type hanging plug valve body, the upper end of said guiding gutter is connected with horizontal pod apertures, and the height of lower end is positioned at the altitude range of second liquid chunnel; When foreline valve was in closed condition, said guiding gutter was towards coming flow path direction.
But the utility model on-line maintenance type is the warlord, is fixedly connected through flange between wherein said preposition valve casing and the main valve shell, and said foreline valve transmission worm gear and hat valve transmission worm gear are through same worm drive.
But the utility model on-line maintenance type is equipped with the main valve handle with the warlord on the wherein said main valve stem, and said main valve handle is through being installed on the main valve stem with its axis and all perpendicular bearing pin of main valve stem axis.
But the utility model on-line maintenance type is with the warlord, and the lower end of wherein said main valve stem is in transmission connection through the upper end of driving key and main valve body.
But the utility model on-line maintenance type is with the warlord, and wherein said foreline valve worm-wheel shaft is fixedly connected on the upper-end surface of preposition valve casing.
But the utility model on-line maintenance type is with the warlord, and wherein said main valve body is a ball valve.
But the utility model on-line maintenance type is with the warlord, and the aperture of wherein said last pod apertures is the twice in following pod apertures aperture.
But after the above-mentioned technological scheme of the utility model on-line maintenance type with warlord's employing; When secondary seal ring, main valve stem Packing spring and the seal ring of the primary seal circle of main valve body, hat valve body or inefficacys of hat valve stem packing ring need to change, main valve need be rotated simultaneously and foreline valve is closed it simultaneously, then at the repairing window of opening on the main valve shell; Both can change primary seal circle and secondary seal ring; After having changed primary seal circle and secondary seal ring, take off the sealing gland nut, both can change main valve stem Packing spring and seal ring from the rotation of hat valve rod; Then unload hat valve transmission worm gear from the hat valve rod again, both can change the hat valve stem packing ring.When changing above-mentioned sealing successively, foreline valve all is in closed condition, only bears less minute-pressure in the main valve, therefore under the situation that need not refute jar, pipeline purging, degasification, Sui's work, can carry out on-line maintenance, brings great convenience to maintenance work.
Simultaneously, foreline valve adopts floating type hanging plug valve body, rotarily opens and closes through the floating type hanging plug valve body of magneto drive, and this no valve rod structure has been avoided the valve invalidation problem that causes because of the valve rod distortion, and Security is improved.
But the warlord is described further below in conjunction with the on-line maintenance type of accompanying drawing to the utility model.
Description of drawings
But Fig. 1 looks sectional view (opening state) for the utility model on-line maintenance type with warlord's master;
Fig. 2 is the sectional view of A-A direction among Fig. 1;
But Fig. 3 looks sectional view for the utility model on-line maintenance type with the master of warlord's floating type hanging plug valve body;
But Fig. 4 looks sectional view for the utility model on-line maintenance type with the right side of warlord's floating type hanging plug valve body;
But Fig. 5 is the worm's eye view of the utility model on-line maintenance type with warlord's foreline valve transmission worm gear;
But Fig. 6 looks sectional view (closed condition) for the utility model on-line maintenance type with warlord's master;
Fig. 7 is the sectional view of B-B direction among Fig. 6.
Embodiment
As shown in Figure 1; But the utility model on-line maintenance type comprises main valve 1 and foreline valve 2 with the warlord; Main valve 1 comprises main valve shell 11, hat valve body 12, main valve body 13, main valve stem 14 and hat valve transmission worm gear 15; Main valve body 13 is arranged in the hat valve body 12 for ball valve, and hat valve body 12 is arranged in the main valve shell 11, and the upper end hat valve rod 121 of hat valve body 12 passes main valve shell 11 and coaxial fixing with hat valve transmission worm gear 15; The upper end of the lower end of main valve stem 14 and main valve body 13 is in transmission connection through driving key 145; The upper end of main valve stem 14 is passed the hat valve rod 121 and the hat valve transmission worm gear 15 of hat valve body 12 upper ends and is positioned at main valve shell 11 outsides, and main valve handle 143 is installed on the main valve stem 14, and main valve handle 143 is through being installed on the main valve stem 14 with its axis and all perpendicular bearing pin 144 of main valve stem 14 axis; Main valve handle 143 can through bearing pin 144 be rotated to main valve stem 14 angle small range in, be convenient to remove or install corresponding parts from main valve stem 14.Be respectively equipped with corresponding first liquid chunnel 16 in main valve shell 11, hat valve body 12 and the main valve body 13.
Be provided with hat valve stem packing ring 123 and bearing between hat valve rod 121 and the main valve shell 11; The upper-end surface of hat valve stem packing ring 123 is provided with Sealing shield ring 124; The internal surface of Sealing shield ring 124 contacts with hat valve rod 121; The upper-end surface of main valve shell 11 is provided with the sealing internal wedge ring 125 of two semi-round ring shapes, and the cross section of sealing internal wedge ring 125 is horizontal L type, and the long limit of the L type of sealing internal wedge ring 125 contacts with the upper surface of Sealing shield ring 124; The L type minor face of sealing internal wedge ring 125 contacts with the outer surface of Sealing shield ring 124; The outer surface of sealing internal wedge ring 125 is up-narrow and down-wide wedge shape, and the upper-end surface of main valve shell 11 is provided with an annular groove 112, is provided with sealing outer wedge ring 126 in the annular groove 112; The internal surface of sealing outer wedge ring 126 is wedge shape wide at the top and narrow at the bottom; The outer surface of sealing internal wedge ring 125 fits tightly with the internal surface of sealing outer wedge ring 126, is fixedly connected with hat valve seal pressing plate 127 on the upper-end surface of main valve shell 11, and at least a portion of hat valve seal pressing plate 127 is pressed on the upper surface of sealing outer wedge ring 126.When hat valve seal pressing plate 127 is installed in the upper-end surface of main valve shell 11 through bolt; 127 pairs of sealings of hat valve seal pressing plate outer wedge ring 126 produces downward pressure; Because fitting tightly, the wedge-shaped surface between sealing outer wedge ring 126 and the sealing internal wedge ring 125 make sealing internal wedge ring 125 receive downward and inside pressure simultaneously; The sealing internal wedge ring 125 of two semi-round ring shapes is given Sealing shield ring 124 with downward and inside propagation of pressure, thereby makes the sealing of hat valve stem packing ring 123 more reliable.Be provided with O RunddichtringO 128 between the upper surface of hat valve seal pressing plate 127 and hat valve transmission worm gear 15 lower surfaces, thereby can further improve the sealing of main valve 1.
Be provided with main valve stem Packing spring and seal ring 141 and bearing between main valve stem 14 and the hat valve body 12; Main valve stem 14 is provided with sealing gland nut 142, and the lower end of sealing gland nut 142 is stretched into main valve stem 14 and contacted with being preced with between the valve body 12 and with the upper-end surface of main valve stem Packing spring and seal ring 141.
In conjunction with shown in Figure 2; Be provided with primary seal circle 131 between main valve body 13 and the hat valve body 12; Be provided with secondary seal ring 122 between hat valve body 12 and the main valve shell 11, primary seal circle 131 is looped around on first liquid chunnel 16 with secondary seal ring 122, offers a pair of repairing window 111 on the main valve shell 11.
In conjunction with Fig. 3 and shown in Figure 4; Floating type hanging plug valve body 22 is up big and down small Rotary-table; Second liquid chunnel 24 is positioned at the middle part of floating type hanging plug valve body 22; The lower end surface of floating type hanging plug valve body 22 offers down pod apertures 221, and following pod apertures 221 is connected with second liquid chunnel 24, and the upper-end surface of floating type hanging plug valve body 22 offers pod apertures 222; Last pod apertures 222 is connected with the horizontal pod apertures 223 that is positioned at floating type hanging plug valve body 22 upper body; Horizontal pod apertures 223 1 ends are opened on the outer surface of floating type hanging plug valve body 22 upper body, and the direction of the direction of horizontal pod apertures 223 and second liquid chunnel 24 is perpendicular, vertically offer guiding gutter 224 on the outer surface of floating type hanging plug valve body 22; The upper end of guiding gutter 224 is connected with horizontal pod apertures 223, and the height of lower end is positioned at the altitude range of second liquid chunnel 24.
When proper functioning; Foreline valve 2 remains normally open; Get into the below of floating type hanging plug valve body 22 from following pod apertures 221 through the fluid of second liquid chunnel 24; Under fluid pressure action, floating type hanging plug valve body 22 is produced thrust upwards; Make the outer surface of floating type hanging plug valve body 22 and the increase that the gap between preposition valve casing 21 inwalls produces trace, fluid gets into central surface to floating type hanging plug valve body 22, these gaps and is lubricated, and makes the rotation of floating type hanging plug valve body 22 more flexible.
As shown in Figure 6, when needs are safeguarded main valve 1, drive worm screw 3 hat valve transmission worm gear 15 is rotated with foreline valve transmission worm gear 23 simultaneously, hat valve transmission worm gear 15 drive hat valve bodies 12 revolve with main valve body 13 and turn 90 degrees to closed condition.In conjunction with shown in Figure 7; Open a pair of repairing window 111 on the main valve shell 11; Promptly can change primary seal circle 131 and secondary seal ring 122, after having changed primary seal circle 131 and secondary seal ring 122, take off sealing gland nut 142 from 121 rotations of hat valve rod; Main valve stem Packing spring and seal ring 141 both can have been changed; Then unload hat valve transmission worm gear 15 from hat valve rod 121 again, unload hat valve seal pressing plate 127, sealing outer wedge ring 126, sealing internal wedge ring 125 and Sealing shield ring 124 from main valve shell 11 upper-end surfaces, both can change hat valve stem packing ring 123.When changing above-mentioned sealing successively, foreline valve all is in closed condition, only bears less minute-pressure in the main valve, therefore under the situation that need not refute jar, pipeline purging, degasification, Sui's work, can carry out on-line maintenance, brings great convenience to maintenance work.
Simultaneously; Foreline valve transmission worm gear 23 drives floating type hanging plug valve body 22 dextrorotations and turn 90 degrees under magnetic force; Guiding gutter 224 on floating type hanging plug valve body 22 outer surfaces comes flow path direction towards fluid; Fluid because the aperture of last pod apertures 222 is the twices in following pod apertures 221 apertures, produces downward thrust to floating type hanging plug valve body 22 along the top of guiding gutter 224, horizontal pod apertures 223 and the floating type hanging plug valve body 22 of last pod apertures 222 entering under the effect of hydrodynamic pressure; Make the outer surface and the gap between preposition valve casing 21 inwalls of floating type hanging plug valve body 22 produce dwindling of trace; Avoid fluid to flow through from these gaps, it is tighter to make that foreline valve 2 is closed, and has created advantageous conditions for the maintenance work of main valve 1.
When storage tank or downstream line generation gas explosion accident; The floating type hanging plug valve body 22 of foreline valve 2 is no valve rod structure; The stuck fault that conventional valve rod distortion causes can not occur, after pulling down worm screw 3, hand rotation foreline valve transmission worm gear 23 just can be realized the emergency cut-off of systematic pipeline.
For the ease of producing and assembling the assembling form that main valve shell 11 and preposition valve casing 21 all adopt left and right each half valve casing to be spliced.
Above-described embodiment describes the preferred implementation of the utility model; Be not that scope to the utility model limits; Under the prerequisite that does not break away from the utility model design spirit; Various distortion and improvement that those of ordinary skills make the technological scheme of the utility model all should fall in the definite protection domain of the utility model claims.
Claims (10)
1. but an on-line maintenance type is with the warlord; It is characterized in that: comprise main valve (1) and foreline valve (2); Said main valve (1) comprises main valve shell (11), hat valve body (12), main valve body (13), main valve stem (14) and hat valve transmission worm gear (15); Said main valve body (13) is arranged in the hat valve body (12); Said hat valve body (12) is arranged in the main valve shell (11); The upper end hat valve rod (121) of hat valve body (12) passes main valve shell (11) and coaxial fixing with hat valve transmission worm gear (15), and the upper end of the lower end of said main valve stem (14) and main valve body (13) is in transmission connection, and the upper end of main valve stem (14) is passed the hat valve rod (121) and the hat valve transmission worm gear (15) of hat valve body (12) upper end and is positioned at main valve shell (11) outside; Be respectively equipped with corresponding first liquid chunnel (16) in said main valve shell (11), hat valve body (12) and the main valve body (13); Be provided with primary seal circle (131) between said main valve body (13) and the hat valve body (12), be provided with secondary seal ring (122) between said hat valve body (12) and the main valve shell (11), said primary seal circle (131) and secondary seal ring (122) are looped around on first liquid chunnel (16); Be provided with hat valve stem packing ring (123) and bearing between said hat valve rod (121) and the main valve shell (11); Be provided with main valve stem Packing spring and seal ring (141) and bearing between said main valve stem (14) and hat valve body (12), main valve stem (14) is provided with sealing gland nut (142), and the lower end of said sealing gland nut (142) is stretched into main valve stem (14) and contacted with being preced with between the valve body (12) and with the upper-end surface of main valve stem Packing spring and seal ring (141); Offer on the said main valve shell (11) and repair window (111)
Said foreline valve (2) comprises preposition valve casing (21), floating type hanging plug valve body (22) and foreline valve transmission worm gear (23); Said floating type hanging plug valve body (22) is arranged in the preposition valve casing (21); Be provided with corresponding second liquid chunnel (24) in said preposition valve casing (21) and the floating type hanging plug valve body (22); Said second liquid chunnel (24) is connected with first liquid chunnel (16); The upper-end surface of said floating type hanging plug valve body (22) is fixedly connected with at least one pair of passive magnetic pole (25); Said foreline valve transmission worm gear (23) is installed in the top of preposition valve casing (21) through foreline valve worm-wheel shaft (211); Be fixedly connected with at least one pair of initiatively magnetic pole (26) on the said foreline valve transmission worm gear (23), said active magnetic pole (26) is corresponding with passive magnetic pole (25) position, and said preposition valve casing (21) all adopts nonmagnetic substance to process with floating type hanging plug valve body (22).
2. but on-line maintenance type according to claim 1 is with the warlord; It is characterized in that: the upper-end surface of said hat valve stem packing ring (123) is provided with Sealing shield ring (124); The internal surface of said Sealing shield ring (124) contacts with hat valve rod (121); The upper-end surface of said main valve shell (11) is provided with the sealing internal wedge ring (125) of two semi-round ring shapes; The cross section of said sealing internal wedge ring (125) is horizontal L type; The long limit of the L type of said sealing internal wedge ring (125) contacts with the upper surface of Sealing shield ring (124), and the L type minor face of sealing internal wedge ring (125) contacts with the outer surface of Sealing shield ring (124), and the outer surface of said sealing internal wedge ring (125) is up-narrow and down-wide wedge shape; The upper-end surface of said main valve shell (11) is provided with an annular groove (112); Be provided with sealing outer wedge ring (126) in the said annular groove (112), the internal surface of said sealing outer wedge ring (126) is wedge shape wide at the top and narrow at the bottom, and the outer surface of said sealing internal wedge ring (125) fits tightly with the internal surface of sealing outer wedge ring (126); Be fixedly connected with hat valve seal pressing plate (127) on the upper-end surface of said main valve shell (11), at least a portion of said hat valve seal pressing plate (127) is pressed on the upper surface of sealing outer wedge ring (126).
3. but on-line maintenance type according to claim 2 is characterized in that the warlord: be provided with O RunddichtringO (128) between the upper surface of said hat valve seal pressing plate (127) and hat valve transmission worm gear (15) lower surface.
But according to one of the said on-line maintenance type of claim 1 to 3 with the warlord; It is characterized in that: said floating type hanging plug valve body (22) is up big and down small Rotary-table; Said second liquid chunnel (24) is positioned at the middle part of floating type hanging plug valve body (22); The lower end surface of said floating type hanging plug valve body (22) offers down pod apertures (221), and said pod apertures (221) down is connected with second liquid chunnel (24), and the upper-end surface of said floating type hanging plug valve body (22) offers pod apertures (222); The said pod apertures (222) that goes up is connected with the horizontal pod apertures (223) that is positioned at floating type hanging plug valve body (22) upper body; Said horizontal pod apertures (223) one ends are opened on the outer surface of floating type hanging plug valve body (22) upper body, and the direction of the direction of horizontal pod apertures (223) and second liquid chunnel (24) is perpendicular, vertically offers guiding gutter (224) on the outer surface of said floating type hanging plug valve body (22); The upper end of said guiding gutter (224) is connected with horizontal pod apertures (223); The height of lower end is positioned at the altitude range of second liquid chunnel (24), and when foreline valve (2) when being in closed condition, said guiding gutter (224) is towards coming flow path direction.
5. but on-line maintenance type according to claim 4 is with the warlord; It is characterized in that: be fixedly connected through flange between said preposition valve casing (21) and the main valve shell (11), said foreline valve transmission worm gear (23) drives through same worm screw (3) with hat valve transmission worm gear (15).
6. but on-line maintenance type according to claim 5 is with the warlord; It is characterized in that: main valve handle (143) is installed on the said main valve stem (14), and said main valve handle (143) is through being installed on the main valve stem (14) with its axis and all perpendicular bearing pin (144) of main valve stem (14) axis.
7. but on-line maintenance type according to claim 6 is characterized in that the warlord: the lower end of said main valve stem (14) is in transmission connection through the upper end of driving key (145) with main valve body (13).
8. but on-line maintenance type according to claim 7 is characterized in that the warlord: said foreline valve worm-wheel shaft (211) is fixedly connected on the upper-end surface of preposition valve casing (21).
9. but on-line maintenance type according to claim 8 is characterized in that the warlord: said main valve body (13) is a ball valve.
10. but on-line maintenance type according to claim 9 is characterized in that the warlord: the aperture of said last pod apertures (222) is the twice in following pod apertures (221) aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200725775U CN202195115U (en) | 2011-03-18 | 2011-03-18 | Orbit plug valve capable of being on-line maintained |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200725775U CN202195115U (en) | 2011-03-18 | 2011-03-18 | Orbit plug valve capable of being on-line maintained |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202195115U true CN202195115U (en) | 2012-04-18 |
Family
ID=45950024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200725775U Expired - Lifetime CN202195115U (en) | 2011-03-18 | 2011-03-18 | Orbit plug valve capable of being on-line maintained |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202195115U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141164A (en) * | 2011-03-18 | 2011-08-03 | 韩先锋 | General valve capable of being maintained on line |
| CN108662207A (en) * | 2018-07-13 | 2018-10-16 | 王梓骥 | A kind of open and close method of pipeline valve assembly |
| CN108692048A (en) * | 2018-04-17 | 2018-10-23 | 永嘉县恒正阀门有限公司 | Gate valve |
-
2011
- 2011-03-18 CN CN2011200725775U patent/CN202195115U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141164A (en) * | 2011-03-18 | 2011-08-03 | 韩先锋 | General valve capable of being maintained on line |
| CN108692048A (en) * | 2018-04-17 | 2018-10-23 | 永嘉县恒正阀门有限公司 | Gate valve |
| CN108692048B (en) * | 2018-04-17 | 2019-08-20 | 永嘉县恒正阀门有限公司 | Gate valve |
| CN108662207A (en) * | 2018-07-13 | 2018-10-16 | 王梓骥 | A kind of open and close method of pipeline valve assembly |
| CN108662207B (en) * | 2018-07-13 | 2021-08-24 | 王梓骥 | Opening and closing method of pipeline valve assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120418 Effective date of abandoning: 20130911 |
|
| RGAV | Abandon patent right to avoid regrant |