CN205663897U - Regulation type metal seal butterfly valve - Google Patents
Regulation type metal seal butterfly valve Download PDFInfo
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- CN205663897U CN205663897U CN201620528787.3U CN201620528787U CN205663897U CN 205663897 U CN205663897 U CN 205663897U CN 201620528787 U CN201620528787 U CN 201620528787U CN 205663897 U CN205663897 U CN 205663897U
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- valve
- valve body
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- butterfly
- metal seal
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Abstract
The utility model provides a regulation type metal seal butterfly valve, this practical butterfly valve is installed metal sealing element on the valve body, its metal sealing element has self - position control function, in addition can be according to the valve in service behavior, can adjust sealed pretension volume, make the metal sealing element and the sealed face of butterfly plate reach the best cooperation position, after using a period, metal sealing element has a small amount of wearing and tearing with sealed the looking like of butterfly plate, accessible adjusting screw compresses tightly metal sealing element and makes the compression of elastic type gasket, the regulation clearance reduces, increase the pretension volume of metal sealing element and butterfly plate, resume the sealing performance of valve.
Description
Technical field
This utility model relates to valve technology field, is specifically related to a kind of adjustment type metallic seal butterfly valve.
Background technology
Along with the development of industrial technology, the use of three eccentric metal sealed butterfly valve is more and more universal, the domestic overwhelming majority
Butterfly valve structure is similar, and metal seal is arranged on butterfly plate, and the metal seal of existing common metal sealed butterfly valve
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 go out
Situation about now leaking occurs.
Summary of the invention
In order to solve the deficiencies in the prior art, of the present utility model provide a kind of adjustment type metallic seal butterfly valve.
The technical solution that this utility model uses is: a kind of adjustment type metallic seal butterfly valve, including valve body, described
Valve inner is provided with valve rod, and described valve rod is provided with butterfly plate, and described valve stem top is provided with driving means, described valve rod with
Being connected by flat key between driving means, described valve body is provided with metal seal, and described metal seal is close with butterfly plate
Envelope coordinates, and described metal seal is inclined-plane with the sealing surface of butterfly plate, in the outer radius of described metal seal and valve body
Adjustable first gap is there is, between the side surface of described metal seal and valve body inner flow passage between the upper surface of runner
There is adjustable second gap.
Telescopic flexible type pad it is provided with between the side surface of described metal seal and valve body inner flow passage, described
Between metal seal with flexible type pad, extruding coordinates, and described metal seal is provided with seal joint and split trim ring,
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 positioned at valve rod and valve
Between bottom body, 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.
Be respectively equipped with upper bearing (metal) and lower bearing between described valve rod and valve body top and bottom, described upper bearing (metal) with under
Bearing is 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, 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 beneficial effects of the utility model are: this utility model provides a kind of adjustment type metallic seal butterfly valve, this practicality
Metal seal is arranged on valve body by novel butterfly valve, and its metal seal has self position regulatory function, additionally can root
According to valve service condition, can regulate sealing pretension amount, make metal seal reach optimal coordinating with the sealing surface of butterfly plate
Position, after using a period of time, metal seal and the sealing surface of butterfly plate, can be by regulation screw in compressions if any a small amount of abrasion
Metal seal makes flexible type gasket compression, and regulation gap reduces, and increases the pretension amount of metal seal and butterfly plate, recovers valve
Sealing property.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
Fig. 2 is this utility model structural representation.
Fig. 3 is enlarged drawing at this utility model I.
1-valve body in figure, 2-valve rod, 3-butterfly plate, 4-driving means, 5-metal seal, 6-lower flange lid, 11-upper shaft
Hold, 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, and 62-is only
Pushing pad, 63-packing ring.
Detailed description of the invention
In conjunction with Fig. 1, Fig. 2, Fig. 3, this utility model is further described, a kind of adjustment type metallic seal butterfly valve, bag
Including valve body 1, described valve body 1 is internal is provided with valve rod 2, and described valve rod 2 is provided with butterfly plate 3, and described valve rod 2 top is provided with drives
Dynamic device 4, described valve rod 2 is connected by flat key between driving means 4, and the moment of driving means 4 is passed to valve by flat key
Bar 2, completes the switch motion of valve.Described valve body 1 is provided with metal seal 5, and described metal seal 5 is multilamellar gold
Belong to sealing ring, between multiple layer metal sealing ring, be additionally provided with graphite linings.Described metal seal 5 seals with butterfly plate 3 and coordinates, described
The sealing surface of metal seal 5 and butterfly plate 3 be inclined-plane, the outer radius of described metal seal 5 is upper with valve body 1 inner flow passage
There is adjustable first gap 51 between surface, exist between the side surface of described metal seal 5 and valve body 1 inner flow passage
Adjustable second gap 52.It is provided with telescopic elasticity between the side surface of described metal seal 5 and valve body 1 inner flow passage
Formula pad 53, extrudes between described metal seal 5 and flexible type pad 53 and coordinates, and described metal seal 5 is provided with
Seal joint 54 and split trim ring 55, described seal joint 54, split trim ring 55 and metal seal 5 is by regulation screw
56 are fixedly mounted on valve body 1.Owing to metal seal 5 external diameter and valve body 1 exist the first gap 51, see Fig. 3, in switching process
In, metal seal 5 presses the suitable position of position centering of butterfly plate 3, makes metal seal 5 reach with the sealing surface of butterfly plate 3
Good cooperation position, i.e. metal seal 5 have self position regulatory function.It is provided with second between metal seal 5 and valve body
Gap 52, after using a period of time, metal seal 5 and the sealing surface of butterfly plate 3, can be by regulation screws if any a small amount of abrasion
56 compress metal seal 5 flexible type pad 53 compresses, and regulation gap reduces, and increases the pretension of metal seal 5 and butterfly plate 3
Amount, recovers 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 at valve body 1
On.
Being additionally provided with divided ring 61 and thrust pad 62 between described valve rod 2 and lower flange lid 6, described thrust pad 62 is positioned at
Between 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.
Upper bearing (metal) 11 and lower bearing 12, described upper shaft it is respectively equipped with between described valve rod 2 and valve body 1 top and bottom
Holding 11 with lower bearing 12 is self-lubricating bearing.
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,
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
On 1.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, without departing from the some improvement under this utility model principle premise and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. 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), and described valve rod (2) top is provided with driving means (4), described valve rod (2) and driving means
(4) fixing connection between, it is characterised in that described valve body (1) is provided with metal seal (5), described metal seal
(5) coordinating with butterfly plate (3) sealing, described metal seal (5) is inclined-plane with the sealing surface of butterfly plate (3), and described metal is close
Adjustable first gap (51), described metal is there is between outer radius and the upper surface of valve body (1) inner flow passage of sealing (5)
Adjustable second gap (52) is there is between the side surface of sealing member (5) and valve body (1) inner flow passage.
A kind of adjustment type metallic seal butterfly valve the most according to claim 1, it is characterised in that described metal seal
(5) telescopic flexible type pad (53), described metal seal (5) and it are provided with between the side surface of valve body (1) inner flow passage
Coordinating with extruding between flexible type pad (53), described metal seal (5) is provided with seal joint (54) and split trim ring
(55), described seal joint (54), split trim ring (55) and metal seal (5) are fixedly mounted by regulation screw (56)
On valve body (1).
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
Being additionally provided with lower flange lid (6), 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 characterised in that described valve rod (2) with under
Being additionally provided with divided ring (61) and thrust pad (62) between blind flange (6), described thrust pad (62) is positioned at valve rod (2) and valve body
(1), between bottom, 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 described thrust pad (62) with
The packing ring (63) preventing valve body (1) lower end dielectric leakage it is additionally provided with between 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) it is multiple layer metal sealing ring, between multiple layer metal sealing ring, is additionally provided with graphite linings.
A kind of adjustment type metallic seal butterfly valve the most according to claim 6, it is characterised in that described valve rod (2) and butterfly
Connect by straight pin (31) is fixing between plate (3).
A kind of adjustment type metallic seal butterfly valve the most according to claim 1, it is characterised in that described valve body (1) top
Being provided with support (13), described driving means (4) is mounted by means of bolts on support (13), and described support (13) passes through
Stud is arranged on valve body (1).
A kind of adjustment type metallic seal butterfly valve the most according to claim 1, it is characterised in that described valve body (1) upper end
And it is additionally provided with filler (14) between 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 described filler pressing sleeve
(15) being additionally provided with hold-down grid (16) on, described hold-down grid (16) is bolted on valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620528787.3U CN205663897U (en) | 2016-06-03 | 2016-06-03 | Regulation type metal seal butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620528787.3U CN205663897U (en) | 2016-06-03 | 2016-06-03 | Regulation type metal seal butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205663897U true CN205663897U (en) | 2016-10-26 |
Family
ID=57159426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620528787.3U Active CN205663897U (en) | 2016-06-03 | 2016-06-03 | Regulation type metal seal butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205663897U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864439A (en) * | 2016-06-03 | 2016-08-17 | 江南阀门有限公司 | Regulating type metal sealed butterfly valve |
| CN113202933A (en) * | 2021-06-04 | 2021-08-03 | 重庆川仪调节阀有限公司 | Multi-eccentric all-metal sealing butterfly valve sealing pair and machining method and assembling method thereof |
| CN113767054A (en) * | 2019-04-25 | 2021-12-07 | 申克普若赛斯欧洲有限公司 | Adjustable top plate of dome valve |
-
2016
- 2016-06-03 CN CN201620528787.3U patent/CN205663897U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864439A (en) * | 2016-06-03 | 2016-08-17 | 江南阀门有限公司 | Regulating type metal sealed butterfly valve |
| CN113767054A (en) * | 2019-04-25 | 2021-12-07 | 申克普若赛斯欧洲有限公司 | Adjustable top plate of dome valve |
| CN113767054B (en) * | 2019-04-25 | 2023-09-08 | 申克普若赛斯欧洲有限公司 | Adjustable top plate of dome valve |
| CN113202933A (en) * | 2021-06-04 | 2021-08-03 | 重庆川仪调节阀有限公司 | Multi-eccentric all-metal sealing butterfly valve sealing pair and machining method and assembling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |