CN207437794U - A kind of bidirectional sealed butterfly valve - Google Patents
A kind of bidirectional sealed butterfly valve Download PDFInfo
- Publication number
- CN207437794U CN207437794U CN201721636452.4U CN201721636452U CN207437794U CN 207437794 U CN207437794 U CN 207437794U CN 201721636452 U CN201721636452 U CN 201721636452U CN 207437794 U CN207437794 U CN 207437794U
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- CN
- China
- Prior art keywords
- connector
- valve
- shaft
- valve shaft
- axis hole
- 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.)
- Expired - Fee Related
Links
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 18
- 239000002344 surface layer Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model discloses a kind of bidirectional sealed butterfly valves, including valve body, cavity is equipped in the valve body, and butterfly plate is equipped in cavity, butterfly plate one side surface layer is equipped with connector, and connector is provided with two groups, the connector is equipped with axis hole, and axis hole is hexagon ring, valve body is equipped with stem shaft, and stem shaft one end passes through the axis hole on the connector of butterfly plate one side, the stem shaft is made of lower valve shaft and upper valve shaft, and lower valve shaft and upper valve shaft are equipped with hexagonal prisms connector, the hexagonal prisms connector of the lower valve shaft and upper valve shaft is each passed through the axis hole on connector described in two groups on butterfly plate.The simple effect of the utility model structure novel production and processing technology is high, and quality is more stable, and manufacture cost is lower.When user maintenance, integral demounting is convenient, the interchangeable reduction maintenance cost of internals, reduces draw-bore process after assembling, upper lower valve shaft structure is from valve rod deformation effect, and processing and assembling are simpler, and valve switch operation is more flexible light.
Description
Technical field
The utility model is related to a kind of butterfly valve, more particularly to a kind of bidirectional sealed butterfly valve.
Background technology
Monoblock type valve rod pin key connection butterfly plate structure, the knot are widely used in two-way hard seal butterfly valve series of products
Structure production technology processing request fit precision is high.Integrated valve bar material wastes.
The fixation pin connected construction of existing butterfly valve butterfly plate and stem shaft needs to be beaten with drilling machine drilling after valve assembling
Pin to prevent pin from not loosening shearing or taking off danger, all prevents from loosening method using spot welding.Therefore valve is replaced in maintenance of valve
When bar and butterfly plate part, extremely difficult dismounting is caused, belongs to nonstandard engineering goods structure.It is for this purpose, it is proposed that a kind of two-way
Sealed butterfly valve.
Utility model content
The main purpose of the utility model is that providing a kind of bidirectional sealed butterfly valve, can effectively solve in background technology
Problem.
To achieve the above object, the technical solution that the utility model is taken is：
A kind of bidirectional sealed butterfly valve including valve body, is equipped with cavity, and butterfly plate, the butterfly is equipped in cavity in the valve body
Plate one side surface layer is equipped with connector, and connector is provided with two groups, and the connector is equipped with axis hole, and axis hole is hexagon ring,
Valve body is equipped with stem shaft, and stem shaft one end is through the axis hole on the connector of butterfly plate one side, the stem shaft by lower valve shaft and
Upper valve shaft composition, and lower valve shaft and upper valve shaft are equipped with hexagonal prisms connector, the lower valve shaft is connected with the hexagonal prisms of upper valve shaft
Head is each passed through the axis hole described in two groups on butterfly plate on connector, and the top end of the valve body is fixedly connected with flange, and stem shaft
Upper valve shaft through flange and turning handle is connected, one end of the lower valve shaft is movably connected on bearing, and the bearing is mounted on valve
The cavity inner wall of body.
Further, the connector is equipped with screw hole, and is all provided on the hexagonal prisms connector of upper valve shaft and lower valve shaft
There is corresponding screw hole, and counterbore screw thread is connected in screw hole, between the connector and upper valve shaft and lower valve shaft
It is fixed by counterbore screw.
Further, the junction of the upper valve shaft and flange is equipped with sealing axis.
Further, the shape of the hexagonal prisms connector and bore are identical with the shape and bore of axis hole.
Further, valve bush is equipped in the cavity, the cavity inner wall of the valve body is equipped with bulge loop, and the valve bush passes through convex
Ring is detachably connected on cavity inner wall.
Compared with prior art, the utility model has the advantages that：
1st, the utility model is arranged to hexagon ring by the axis hole on the connector by butterfly plate, and is cast out by casting mould
Type is similar to current eccentric half-ball valve processing hemisphere frock, and technical maturity is easy to make, and work efficiency is high, and processing quality ensures.
2nd, the utility model is made by two sections of split type valve shafts for being arranged to be made of upper valve shaft and lower valve shaft by stem shaft
Obtain separated short axle increases valve cavity flow percent of pass than whole axis, can reduce medium flow resistance, improve bidirectional sealed butterfly valve
Using effect.
3rd, the utility model on upper valve shaft and lower valve shaft by setting and the hexagonal axis hole phase on the connector of butterfly plate one side
Hexagonal prisms connector on upper valve shaft and lower valve shaft is inserted into the hexagonal axis hole on connector i.e. by the hexagonal prisms connector matched somebody with somebody
Can, it is easy to assembly, and counterbore screw is recycled to be fixed, convenient for preventing play above and below butterfly plate, reduce draw-bore work after assembling
Sequence, upper lower valve shaft structure is from valve rod deformation effect, and processing and assembling are simpler, and valve switch operation is more flexible light.
4th, the utility model structure butterfly valve, structure novel design is reasonable, and the simple effect of production and processing technology is high, and quality is more steady
Fixed, manufacture cost is lower.When user maintenance, integral demounting is convenient, the interchangeable reduction maintenance cost of internals.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of bidirectional sealed butterfly valve of the utility model.
Fig. 2 is a kind of butterfly plate structure diagram of bidirectional sealed butterfly valve of the utility model.
Fig. 3 is a kind of upper valve axle construction schematic diagram of bidirectional sealed butterfly valve of the utility model.
Fig. 4 is a kind of valve bush mounting structure schematic diagram of bidirectional sealed butterfly valve of the utility model.
In figure：1st, axis is sealed；2nd, valve body；3rd, cavity；4th, counterbore screw；5th, valve bush；6th, screw hole；7th, bearing；8th, lower valve
Axis；9th, connector；10th, butterfly plate；11st, stem shaft；12nd, upper valve shaft；13rd, flange；14th, turning handle；15th, axis hole；16th, hexagonal prisms connects
Head；17th, bulge loop.
Specific embodiment
Technical means, creative features, achievable purpose and effectiveness to realize the utility model are easy to understand, below
With reference to specific embodiment, the utility model is expanded on further.
As shown in Figs 1-4, a kind of bidirectional sealed butterfly valve including valve body 2, is equipped with cavity 3 in the valve body 2, and in cavity 3
Equipped with butterfly plate 10, the 10 one side surface layer of butterfly plate is equipped with connector 9, and connector 9 is provided with two groups, is set on the connector 9
There is axis hole 15, and axis hole 15 is hexagon ring, valve body 2 is equipped with stem shaft 11, and 11 one end of stem shaft connects through 10 one side of butterfly plate
Axis hole 15 on fitting 9, the stem shaft 11 are made of lower valve shaft 8 and upper valve shaft 12, and lower valve shaft 8 and upper valve shaft 12 are equipped with
The hexagonal prisms connector 16 of hexagonal prisms connector 16, the lower valve shaft 8 and upper valve shaft 12 is each passed through two groups of institutes on butterfly plate 10
The axis hole 15 on connector 9 is stated, 2 top of valve body is fixedly connected with flange 13, and the upper valve shaft 12 of stem shaft 11 passes through method
Orchid 13 simultaneously connects turning handle 14, and one end of the lower valve shaft 8 is movably connected on bearing 7, and the bearing 7 is mounted on the logical of valve body 2
3 inner wall of chamber.
Wherein, the connector 9 is equipped with screw hole 6, and on the hexagonal prisms connector 16 of upper valve shaft 12 and lower valve shaft 8
Equipped with corresponding screw hole 6, and counterbore screw 4 is threaded in screw hole 6, the connector 9 and upper valve shaft 12 and under
It is fixed between valve shaft 8 by counterbore screw 4.
Wherein, the junction of the upper valve shaft 12 and flange 13 is equipped with sealing axis 1.
Wherein, the shape of the hexagonal prisms connector 16 and bore are identical with the shape and bore of axis hole 15.
Wherein, valve bush 5 is equipped in the cavity 3,3 inner wall of cavity of the valve body 2 is equipped with bulge loop 17, and the valve bush 5 is logical
Bulge loop 17 is crossed to be detachably connected on 3 inner wall of cavity.
It should be noted that the utility model is a kind of bidirectional sealed butterfly valve, during work, by upper valve shaft 12 and lower valve shaft 8
Hexagonal prisms connector 16 be inserted into axis hole 15 on two groups of connectors 9 of 10 one side of butterfly plate respectively, then recycle counterbore screw 4
The screw hole 6 being inserted on connector 9 and hexagonal prisms connector 16, so as to be fixed so that butterfly plate 10 is not easy up and down after installing
Play reduces draw-bore process after assembling, wherein due to two sections that stem shaft 11 is arranged to upper valve shaft 12 and lower valve shaft 8 form
Split type valve shaft so that separated short axle increases valve cavity flow percent of pass than whole axis, can reduce medium flow resistance, improves double
To the using effect of sealed butterfly valve, and upper lower valve shaft structure is from valve rod deformation effect, processing and simpler, the valve switch of assembling
Operate it is more flexible light, since the axis hole 15 on the connector 9 of butterfly plate 10 is using hexagon ring, this kind of processing technology with it is eccentric at present
Semisphere valve processing hemisphere frock is similar, and technical maturity is easy to make, and work efficiency is high, and processing quality ensures, the utility model structure butterfly valve, knot
Structure novel designs are reasonable, and the simple effect of production and processing technology is high, and quality is more stable, and manufacture cost is lower, convenient for whole in maintenance
Body convenient disassembly, the interchangeable reduction maintenance cost of internals.
The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Simply illustrate the principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed scope is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of bidirectional sealed butterfly valve, including valve body (2), it is characterised in that：Cavity (3), and cavity are equipped in the valve body (2)
(3) butterfly plate (10) is equipped in, butterfly plate (10) the one side surface layer is equipped with connector (9), and connector (9) is provided with two groups, institute
Connector (9) is stated equipped with axis hole (15), and axis hole (15) is hexagon ring, valve body (2) is equipped with stem shaft (11), and stem shaft
(11) one end is through the axis hole (15) on butterfly plate (10) one side connector (9), and the stem shaft (11) is by lower valve shaft (8) and upper valve
Axis (12) forms, and lower valve shaft (8) and upper valve shaft (12) are equipped with hexagonal prisms connector (16), the lower valve shaft (8) and upper valve
The hexagonal prisms connector (16) of axis (12) is each passed through the axis hole (15) on connector (9), institute described in two groups on butterfly plate (10)
It states valve body (2) top and is fixedly connected with flange (13), and the upper valve shaft (12) of stem shaft (11) turns through flange (13) and connection
Handle (14), one end of the lower valve shaft (8) are movably connected on bearing (7), and the bearing (7) is mounted on the cavity of valve body (2)
(3) inner wall.
2. a kind of bidirectional sealed butterfly valve according to claim 1, it is characterised in that：The connector (9) is equipped with screw
Hole (6), and corresponding screw hole (6) is equipped on the hexagonal prisms connector (16) of upper valve shaft (12) and lower valve shaft (8), and it is heavy
Hole screw (4) is threaded in screw hole (6), by heavy between the connector (9) and upper valve shaft (12) and lower valve shaft (8)
Hole screw (4) is fixed.
3. a kind of bidirectional sealed butterfly valve according to claim 1, it is characterised in that：The upper valve shaft (12) and flange (13)
Junction be equipped with sealing axis (1).
4. a kind of bidirectional sealed butterfly valve according to claim 1, it is characterised in that：The shape of the hexagonal prisms connector (16)
Shape and bore are identical with the shape and bore of axis hole (15).
5. a kind of bidirectional sealed butterfly valve according to claim 1, it is characterised in that：Valve bush is equipped in the cavity (3)
(5), cavity (3) inner wall of the valve body (2) is equipped with bulge loop (17), and the valve bush (5) is detachably connected on by bulge loop (17)
On cavity (3) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721636452.4U CN207437794U (en) | 2017-11-30 | 2017-11-30 | A kind of bidirectional sealed butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721636452.4U CN207437794U (en) | 2017-11-30 | 2017-11-30 | A kind of bidirectional sealed butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207437794U true CN207437794U (en) | 2018-06-01 |
Family
ID=62285153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721636452.4U Expired - Fee Related CN207437794U (en) | 2017-11-30 | 2017-11-30 | A kind of bidirectional sealed butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207437794U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412297A (en) * | 2020-03-26 | 2020-07-14 | 福建省广龙消防阀门有限公司 | Novel fire control butterfly valve of passageway disconnect-type |
-
2017
- 2017-11-30 CN CN201721636452.4U patent/CN207437794U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412297A (en) * | 2020-03-26 | 2020-07-14 | 福建省广龙消防阀门有限公司 | Novel fire control butterfly valve of passageway disconnect-type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |