CN105864439A - Regulating type metal sealed butterfly valve - Google Patents
Regulating type metal sealed butterfly valve Download PDFInfo
- Publication number
- CN105864439A CN105864439A CN201610385252.XA CN201610385252A CN105864439A CN 105864439 A CN105864439 A CN 105864439A CN 201610385252 A CN201610385252 A CN 201610385252A CN 105864439 A CN105864439 A CN 105864439A
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- seal
- metal seal
- butterfly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2268—Sealing means for the axis of rotation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention provides a regulating type metal sealed butterfly valve. The butterfly valve has the beneficial effects that a metal sealing element is installed on a valve body and has the self position regulating function; besides, the seal pre-tightening quantity can be regulated according to the use conditions of the valve, so that the best fitting positions of the metal sealing element and the sealing surface of a butterfly plate are achieved; if the metal sealing element and the sealing surface of the butterfly plate are slightly worn after being used for a period of time, the metal sealing element can be tightly pressed via a regulating screw to compress an elastic gasket, thus reducing regulable gaps, increasing the pre-tightening quantity of the metal sealing element and the butterfly plate and restoring the sealing property of the valve.
Description
Technical field
The present invention relates to valve technology field, be specifically related to a kind of adjustment type metallic seal butterfly valve.
Background technology
Development along with industrial technology, the use of three eccentric metal sealed butterfly valve is more and more universal, the butterfly valve structure of the domestic overwhelming majority is similar, metal seal is arranged on butterfly plate, and the metal seal of existing common metal sealed butterfly valve is during life-time service, easily owing to wearing and tearing, cause the sealing property between butterfly plate and valve body to be greatly reduced, thus occur that the situation of leakage occurs.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of adjustment type metallic seal butterfly valve.
The technical solution that the present invention uses is: a kind of adjustment type metallic seal butterfly valve, including valve body, described valve inner is provided with valve rod, described valve rod is provided with butterfly plate, described valve stem top is provided with driving means, it is connected by flat key between described valve rod and driving means, described valve body is provided with metal seal, described metal seal seals with butterfly plate and coordinates, described metal seal is inclined-plane with the sealing surface of butterfly plate, adjustable first gap is there is between outer radius and the upper surface of valve body inner flow passage of described metal seal, adjustable second gap is there is between the side surface of described metal seal and valve body inner flow passage.
Telescopic flexible type pad it is provided with between the side surface of described metal seal and valve body inner flow passage, between described metal seal with flexible type pad, extruding coordinates, described metal seal is provided with seal joint and split trim ring, and described seal joint, split trim ring and metal seal are fixedly mounted on valve body by regulation screw.
Described body base is additionally provided with lower flange lid, and described lower flange lid is bolted to connection on valve body.
Being additionally provided with divided ring and thrust pad between described valve rod and lower flange lid, described thrust pad is between valve rod and body base, and described divided ring is between thrust pad and lower flange lid.
The packing ring preventing valve body lower end dielectric leakage it is additionally provided with between described thrust pad and valve body.
Described metal seal is multiple layer metal sealing ring, is additionally provided with graphite linings between multiple layer metal sealing ring.
Being respectively equipped with upper bearing (metal) and lower bearing between described valve rod and valve body top and bottom, described upper bearing (metal) and lower bearing are self-lubricating bearing.
It is connected by straight pin is fixing between described valve rod and butterfly plate.
Described body top is provided with support, and described driving means is mounted by means of bolts on support, and described support is arranged on valve body by stud.
It is additionally provided with filler between described valve body upper end and valve rod, described filler is additionally provided with filler pressing sleeve.
Being additionally provided with hold-down grid on described filler pressing sleeve, described hold-down grid is bolted on valve body.
The invention has the beneficial effects as follows: the invention provides a kind of adjustment type metallic seal butterfly valve, metal seal is arranged on valve body by the butterfly valve of the present invention, its metal seal has self position regulatory function, additionally can be according to valve service condition, can regulate sealing pretension amount, the sealing surface making metal seal and butterfly plate reaches optimal cooperation position, after using a period of time, metal seal and the sealing surface of butterfly plate are if any a small amount of abrasion, flexible type gasket compression can be made by regulation screw in compression metal seal, regulation gap reduces, increase the pretension amount of metal seal and butterfly plate, recover the sealing property of valve.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Fig. 2 is present configuration schematic diagram.
Fig. 3 is enlarged drawing at I of the present invention.
1-valve body in figure, 2-valve rod, 3-butterfly plate, 4-driving means, 5-metal seal, 6-lower flange lid, 11-upper bearing (metal), 12-lower bearing, 13-support, 14-filler, 15-filler pressing sleeve, 16-hold-down grid, 31-straight pin, 51-the first gap, 52-the second gap, 53-flexible type pad, 54-seal joint, the split trim ring of 55-, 56-regulates screw, 61-divided ring, 62-thrust pad, 63-packing ring.
Detailed description of the invention
In conjunction with Fig. 1, Fig. 2, Fig. 3, the present invention is further described, a kind of adjustment type metallic seal butterfly valve, including valve body 1, described valve body 1 is internal is provided with valve rod 2, described valve rod 2 is provided with butterfly plate 3, and described valve rod 2 top is provided with driving means 4, and described valve rod 2 is connected by flat key between driving means 4, the moment of driving means 4 is passed to valve rod 2 by flat key, completes the switch motion of valve.Described valve body 1 is provided with metal seal 5, and described metal seal 5 is multiple layer metal sealing ring, is additionally provided with graphite linings between multiple layer metal sealing ring.Described metal seal 5 seals with butterfly plate 3 and coordinates, described metal seal 5 is inclined-plane with the sealing surface of butterfly plate 3, there is adjustable first gap 51 between outer radius and the upper surface of valve body 1 inner flow passage of described metal seal 5, between the side surface of described metal seal 5 and valve body 1 inner flow passage, there is adjustable second gap 52.Telescopic flexible type pad 53 it is provided with between the side surface of described metal seal 5 and valve body 1 inner flow passage, extrude between described metal seal 5 and flexible type pad 53 and coordinate, described metal seal 5 is provided with seal joint 54 and split trim ring 55, and described seal joint 54, split trim ring 55 and metal seal 5 is fixedly mounted on valve body 1 by regulation screw 56.Owing to metal seal 5 external diameter and valve body 1 exist the first gap 51, seeing Fig. 3, in switching process, metal seal 5 presses the suitable position of position centering of butterfly plate 3, the sealing surface making metal seal 5 and butterfly plate 3 reaches optimal cooperation position, i.e. metal seal 5 has self position regulatory function.The second gap 52 it is provided with between metal seal 5 and valve body, after using a period of time, metal seal 5 and the sealing surface of butterfly plate 3 are if any a small amount of abrasion, metal seal 5 flexible type pad 53 can be compressed by regulation screw 56 to compress, regulation gap reduces, increase the pretension amount of metal seal 5 and butterfly plate 3, recover the sealing property of valve.
Being additionally provided with lower flange lid 6 bottom described valve body 1, described lower flange lid 6 is bolted to connection on valve body 1.
Being additionally provided with divided ring 61 and thrust pad 62 between described valve rod 2 and lower flange lid 6, between described thrust pad 62 is bottom valve rod 2 and valve body 1, described divided ring 61 is between thrust pad 62 and lower flange lid 6.
The packing ring 63 preventing valve body 1 lower end dielectric leakage it is additionally provided with between described thrust pad 62 and valve body 1.
Being respectively equipped with upper bearing (metal) 11 and lower bearing 12 between described valve rod 2 and valve body 1 top and bottom, described upper bearing (metal) 11 is self-lubricating bearing with lower bearing 12.
It is connected by straight pin 31 is fixing between described valve rod 2 and butterfly plate 3.
Described valve body 1 top is provided with support 13, and described driving means 4 is mounted by means of bolts on support 13, and described support 13 is arranged on valve body 1 by stud.
It is additionally provided with filler 14 between described valve body 1 upper end and valve rod 2, described filler 14 is additionally provided with filler pressing sleeve 15.Prevent medium from leaking out from valve rod 10 upper end.
Being additionally provided with hold-down grid 16 on described filler pressing sleeve 15, described hold-down grid 16 is bolted on valve body 1.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-described embodiment, and all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that, for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
- null1. an adjustment type metallic seal butterfly valve，Including valve body (1)，Described valve body (1) is internal is provided with valve rod (2)，Described valve rod (2) is provided with butterfly plate (3)，Described valve rod (2) top is provided with driving means (4)，Fix between described valve rod (2) and driving means (4) and be connected，It is characterized in that，Described valve body (1) is provided with metal seal (5)，Described metal seal (5) seals with butterfly plate (3) and coordinates，Described metal seal (5) is inclined-plane with the sealing surface of butterfly plate (3)，Adjustable first gap (51) is there is between outer radius and the upper surface of valve body (1) inner flow passage of described metal seal (5)，Adjustable second gap (52) is there is between described metal seal (5) and the side surface of valve body (1) inner flow passage.
- A kind of adjustment type metallic seal butterfly valve the most according to claim 1, it is characterized in that, telescopic flexible type pad (53) it is provided with between described metal seal (5) and the side surface of valve body (1) inner flow passage, extrude between described metal seal (5) and flexible type pad (53) and coordinate, described metal seal (5) is provided with seal joint (54) and split trim ring (55), and described seal joint (54), split trim ring (55) and metal seal (5) are fixedly mounted on valve body (1) by regulation screw (56).
- A kind of adjustment type metallic seal butterfly valve the most according to claim 1, it is characterised in that described valve body (1) bottom is additionally provided with lower flange lid (6), and described lower flange lid (6) is bolted to connection on valve body (1).
- A kind of adjustment type metallic seal butterfly valve the most according to claim 3, it is characterized in that, divided ring (61) and thrust pad (62) it is additionally provided with between described valve rod (2) and lower flange lid (6), described thrust pad (62) is positioned between valve rod (2) and valve body (1) bottom, and described divided ring (61) is positioned between thrust pad (62) and lower flange lid (6).
- A kind of adjustment type metallic seal butterfly valve the most according to claim 4, it is characterised in that be additionally provided with the packing ring (63) preventing valve body (1) lower end dielectric leakage between described thrust pad (62) and valve body (1).
- A kind of adjustment type metallic seal butterfly valve the most according to claim 1, it is characterised in that described metal seal (5) is multiple layer metal sealing ring, is additionally provided with graphite linings between multiple layer metal sealing ring.
- A kind of adjustment type metallic seal butterfly valve the most according to claim 6, it is characterised in that be connected by straight pin (31) is fixing between described valve rod (2) and butterfly plate (3).
- A kind of adjustment type metallic seal butterfly valve the most according to claim 1, it is characterized in that, described valve body (1) top is provided with support (13), described driving means (4) is mounted by means of bolts on support (13), and described support (13) is arranged on valve body (1) by stud.
- A kind of adjustment type metallic seal butterfly valve the most according to claim 1, it is characterised in that be additionally provided with filler (14) between described valve body (1) upper end and valve rod (2), described filler (14) is additionally provided with filler pressing sleeve (15).
- A kind of adjustment type metallic seal butterfly valve the most according to claim 9, it is characterised in that being additionally provided with hold-down grid (16) on described filler pressing sleeve (15), described hold-down grid (16) is bolted on valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610385252.XA CN105864439A (en) | 2016-06-03 | 2016-06-03 | Regulating type metal sealed butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610385252.XA CN105864439A (en) | 2016-06-03 | 2016-06-03 | Regulating type metal sealed butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105864439A true CN105864439A (en) | 2016-08-17 |
Family
ID=56676508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610385252.XA Pending CN105864439A (en) | 2016-06-03 | 2016-06-03 | Regulating type metal sealed butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105864439A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518490A (en) * | 2018-05-10 | 2018-09-11 | 江南阀门有限公司 | A kind of low flow resistance butterfly valve of split type shock resistance |
| CN109798367A (en) * | 2019-03-15 | 2019-05-24 | 江南阀门有限公司 | Cold air regulating valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2163912Y (en) * | 1993-05-11 | 1994-05-04 | 辽宁省铁岭阀门厂 | Two-way high-temp metallic packing butterfly valve |
| US5707040A (en) * | 1995-10-12 | 1998-01-13 | Orbit Valve Company | Replaceable seal members for butterfly valve |
| CN2364279Y (en) * | 1999-02-05 | 2000-02-16 | 丁庆新 | Laminate metal hard seal butterfly valve |
| CN103291939A (en) * | 2013-06-21 | 2013-09-11 | 天津富赛克流体控制设备有限公司 | High-pressure ultra-low-temperature type all-metal hard sealing butterfly valve |
| CN103470793A (en) * | 2013-09-22 | 2013-12-25 | 浙江贝尔控制阀门有限公司 | Double-slope eccentric butterfly valve |
| CN205136625U (en) * | 2015-10-29 | 2016-04-06 | 天津市华顺通阀门有限公司 | Three off -centre high -pressure butterfly valve sealed firmly |
| CN205663897U (en) * | 2016-06-03 | 2016-10-26 | 江南阀门有限公司 | Regulation type metal seal butterfly valve |
-
2016
- 2016-06-03 CN CN201610385252.XA patent/CN105864439A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2163912Y (en) * | 1993-05-11 | 1994-05-04 | 辽宁省铁岭阀门厂 | Two-way high-temp metallic packing butterfly valve |
| US5707040A (en) * | 1995-10-12 | 1998-01-13 | Orbit Valve Company | Replaceable seal members for butterfly valve |
| CN2364279Y (en) * | 1999-02-05 | 2000-02-16 | 丁庆新 | Laminate metal hard seal butterfly valve |
| CN103291939A (en) * | 2013-06-21 | 2013-09-11 | 天津富赛克流体控制设备有限公司 | High-pressure ultra-low-temperature type all-metal hard sealing butterfly valve |
| CN103470793A (en) * | 2013-09-22 | 2013-12-25 | 浙江贝尔控制阀门有限公司 | Double-slope eccentric butterfly valve |
| CN205136625U (en) * | 2015-10-29 | 2016-04-06 | 天津市华顺通阀门有限公司 | Three off -centre high -pressure butterfly valve sealed firmly |
| CN205663897U (en) * | 2016-06-03 | 2016-10-26 | 江南阀门有限公司 | Regulation type metal seal butterfly valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518490A (en) * | 2018-05-10 | 2018-09-11 | 江南阀门有限公司 | A kind of low flow resistance butterfly valve of split type shock resistance |
| CN109798367A (en) * | 2019-03-15 | 2019-05-24 | 江南阀门有限公司 | Cold air regulating valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205663897U (en) | Regulation type metal seal butterfly valve | |
| CN202733009U (en) | Flange two-way pressure hard sealing butterfly valve | |
| CN105864439A (en) | Regulating type metal sealed butterfly valve | |
| CN205244587U (en) | Seal structure on ball valve | |
| CN206668991U (en) | A kind of soft seat butterfly valve of novel sealing structure | |
| CN2926698Y (en) | Fixed membrane metal sealed spherical valve | |
| CN212273242U (en) | Sliding type valve rod sealing device of gate valve of hot blast stove not prone to leakage | |
| CN209340496U (en) | Self-sealing gasket | |
| CN209245442U (en) | It is a kind of to pre-tighten filling-material structure certainly | |
| CN207814472U (en) | A kind of sealing structure and sleeve adjusting valve of sleeve adjusting valve | |
| CN206988466U (en) | A kind of self sealss floating ball valve | |
| CN110307392A (en) | The millstone type material conveying valve of valve rod self-tightening sealing | |
| CN203176421U (en) | Metal hard sealing wear-resisting ball valve | |
| CN202790579U (en) | Tri-eccentricity-pressure automatic compensation soft seal butterfly valve | |
| CN208919368U (en) | Novel fire resistant metal gate valve | |
| CN103244694B (en) | Piston type zero leakage stop valve | |
| CN203477332U (en) | Self-sealing stop valve | |
| CN219432480U (en) | Soft and hard redundant sealing type plunger angle valve | |
| CN204300391U (en) | A kind of two way sealed high-performance butterfly valve | |
| CN219639638U (en) | Novel packing assembly for regulating valve | |
| CN103267166B (en) | Piston-type zero leakage gate valve | |
| CN205504035U (en) | Telescoping valve elastic compensation seals internals structure | |
| CN205173531U (en) | Knife gate valve | |
| CN210034444U (en) | Novel flue gas valve | |
| CN208595112U (en) | Cylinder with stem structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160817 |