CN205918994U - Butterfly valve with heat preservation effect - Google Patents
Butterfly valve with heat preservation effect Download PDFInfo
- Publication number
- CN205918994U CN205918994U CN201620958634.2U CN201620958634U CN205918994U CN 205918994 U CN205918994 U CN 205918994U CN 201620958634 U CN201620958634 U CN 201620958634U CN 205918994 U CN205918994 U CN 205918994U
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- valve
- valve body
- positioning
- shaft
- filler
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Abstract
The utility model relates to the field of valves, especially, relate to a butterfly valve with heat preservation effect. A butterfly valve with heat preservation effect, includes the valve body to and the valve plate of setting in the valve body, and with the valve rod axle that the valve plate is connected, the cross -section of valve body is ring shape, and the valve body middle part is provided with the medium runner along its axis direction, the inside steam chamber that still is equipped with of valve body, and with the communicating steam flow path in steam chamber, the steam chamber sets up along the lateral wall circumference of medium runner, be equipped with the location axle sleeve between location axle and the valve body lateral wall, be fixed with on the outer tip of location axle and be used for fixing a position the positioning pressure plate of location axle sleeve, and location positioning pressure plate's location end cover, be equipped with spacing axle sleeve and packing seal assembly between valve rod axle and the valve body lateral wall, on this butterfly valve is applicable to the fluid pipeline of the easy crystallization of normal atmospheric temperature, have not fragile, long service life's advantage.
Description
Technical field
This utility model is related to valve field, more particularly, to a kind of butterfly valve with heat insulation effect.
Background technology
Butterfly valve is flap valve again, is a kind of simple regulating valve of structure, can be used for the on-off control of low pressure pipeline medium
Butterfly valve refers to that closure member (valve plate or butterfly plate) is disk, rotates to reach a kind of valve of open and close around valve shaft, valve can
For controlling all kinds such as empty gas and water, steam, various Korrosionsmedium, mud, oil product, liquid metal and radiating medium
The flowing of fluid.But, existing butterfly valve has the following disadvantages: 1, in the course of conveying of sour crude oil, sulfur is 140
～145 DEG C of mobility preferably, is easy to crystallize in room temperature；And existing butterfly valve easily produces crystalline polamer when using, crystallization
The sealing that body is easily caused butterfly valve declines；2, the valve internal of butterfly valve easily loosens, parts easy to fall off, and bearing is in valve body
, there is friction phenomenon in portion, valve integrally has that sealing is poor, service life is shorter, security reliability between valve rod and axle sleeve
Poor the problems such as.
Content of the invention
In order to solve the above problems, the purpose of this utility model is to provide a kind of butterfly valve with heat insulation effect, this butterfly
Valve is applied to room temperature and is easy on the fluid line of crystallization, has and is hardly damaged, the advantage of long service life.
In order to realize above-mentioned purpose, this utility model employs following technical scheme:
There is the butterfly valve of heat insulation effect, including valve body, and be arranged on the valve plate in valve body, and be connected with described valve plate
The stem shaft connecing；The section of described valve body is in annular, in the middle part of valve body, its axis direction is provided with medium runner, the axle of valve body
It is provided with the flange disk body for being connected with medium pipeline to both ends, flange disk body is connected casting with valve body；
Described valve inner is additionally provided with vapor chamber, and the steam channel communicating with described vapor chamber, and vapor chamber is along the side of medium runner
Wall is circumferentially disposed；It is provided with locating shaft, stem shaft is arranged on the opposite side wall of medium runner on the side wall of described medium runner
On, described locating shaft and stem shaft are on same axis, and valve plate is arranged in the medium runner of valve body, and one end of valve plate is passed through
Connection member is fixed on locating shaft, and the other end of valve plate is fixed in stem shaft by connection member；
It is provided with positioning shaft sleeve between described locating shaft and body wall, the outer end of locating shaft is fixed with for positioning
State the positioning pressuring plate of positioning shaft sleeve, and the positioning end cap positioning described positioning pressuring plate；Between described stem shaft and body wall
It is provided with limit shaft sleeve and packing seal assembly；Packing seal assembly includes the filler pad offseting with limit shaft sleeve, and setting
Two-layer filler outside filler pad, and be arranged on the filler spacer ring between two-layer filler, and fill out described in being used for positioning
The filler set of material, and for positioning the hold-down grid of described filler set；Hold-down grid is fastened on valve by connection member
On body.
This utility model adopts technique scheme, and this butterfly valve has the advantage that
1, the valve inner of this butterfly valve is additionally provided with vapor chamber, and vapor chamber is circumferentially disposed along the side wall of medium runner, vapor chamber
It is provided with the steam channel communicating therewith；It is (as containing of background technology indication when room temperature is easy to the fluid crystallizing in medium fluid
Sulfur crude oil), above-mentioned steam channel can connect high-temperature steam, and high-temperature steam is full of and inside vapor chamber, body wall is heated,
Thus lifting the fluid temperature (F.T.) through this butterfly valve, substantially reduce its crystalline polamer, thus ensureing the sealing effectiveness of this butterfly valve；
2, the valve plate two ends of this butterfly valve pass through locating shaft and stem shaft positioning respectively, and locating shaft passes through axle sleeve, pressing plate and end
Lid is positioned, setting packing seal assembly positioning and limit shaft sleeve between stem shaft and valve body, and limit shaft sleeve is used for valve rod
Axle is positioned, and the filler in packing seal assembly is used for ensureing the sealing between stem shaft and valve body, filler set and filler
Pressing plate is used for described filler is positioned, and so that filler is fixed, and prevents filler long-term with described stem shaft rubbed
Produce in journey and loosen, lift its sealing effectiveness；Said structure carries out stable position to the bascule of valve plate, makes the valve plate of butterfly valve
Moving part is difficult to produce medium leakage and permeates, and ensures valve plate motion, extends the service life of valve plate.
Brief description
Fig. 1 is schematic cross-section of the present utility model.
Fig. 2 is a portion enlarged drawing of Fig. 1.
Fig. 3 is side schematic view of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawings, preferred embodiment of the present utility model is described in further detail.
A kind of butterfly valve as shown in Fig. 1 ~ 3, including butterfly valve assembly, and the actuator driving described butterfly valve assembly.Institute
State butterfly valve assembly and include valve body 1, and be arranged on the valve plate 2 in valve body 1, and the stem shaft 3 being connected with described valve plate 2.
Described actuator includes cylinder assembly 41, and is arranged on the transmission component 42 on the output shaft of cylinder assembly 41, transmission group
Part 42 is in transmission connection with the outer end of described stem shaft 3.
The section of described valve body 1 is in annular, in the middle part of valve body 1, its axis direction is provided with medium runner 11, valve body 1
Axial both ends are provided with the flange disk body 12 for being connected, flange disk body 12 and the casting of valve body 1 integrally connected with medium pipeline
Cause type.It is additionally provided with vapor chamber 13, and the steam channel 14 communicating with described vapor chamber 13, vapor chamber inside described valve body 1
13 is circumferentially disposed along the side wall of medium runner 11；Using this structure, it is (as carried on the back when room temperature is easy to the fluid crystallizing in medium fluid
The sour crude oil of scape technology indication), above-mentioned steam channel 14 can connect high-temperature steam, and it is right inside vapor chamber 13 that high-temperature steam is full of
Valve body 1 side wall is heated, thus lifting the fluid temperature (F.T.) through this butterfly valve, substantially reduces its crystalline polamer, is somebody's turn to do thus ensureing
The sealing effectiveness of butterfly valve.
Locating shaft 31 is provided with the side wall of described medium runner 11, locating shaft 31 is located on valve body 1 side wall and energy
Enough valve bodies 1 relatively circumferentially rotate, and are provided with positioning shaft sleeve 32, on the outer end of locating shaft 31 between locating shaft 31 and valve body 1 side wall
It is fixed with the positioning pressuring plate 33 for positioning described positioning shaft sleeve 32, and the positioning end cap 34 positioning described positioning pressuring plate 33.
Described stem shaft 3 is arranged on the opposite side wall of medium runner 11, and stem shaft 3 is located on valve body 1 side wall and being capable of relative valve
Body 1 circumferentially rotates, and is provided with limit shaft sleeve 35 and packing seal assembly between stem shaft 3 and valve body 1 side wall.Described filler sealing group
Part includes the filler pad 36 offseting with limit shaft sleeve 35, and is arranged on the two-layer filler 37 outside filler pad 36, and
It is arranged on the filler spacer ring 38 between two-layer filler 37, and cover 39 for positioning the filler of described filler 37, and for fixed
The hold-down grid 30 of position described filler set 39, hold-down grid 30 is fastened on valve body 1 by connection member (as bolt).Institute
State locating shaft 31 to be on same axis with stem shaft 3, valve plate 2 is arranged in the medium runner 11 of valve body 1, one end of valve plate 2
It is fixed on locating shaft 31 by connection member, the other end of valve plate 2 is fixed in stem shaft 3 by connection member.Above-mentioned knot
In structure, valve plate two ends pass through locating shaft and stem shaft positioning respectively, and locating shaft is positioned by axle sleeve, pressing plate and end cap, valve
Setting packing seal assembly positioning and limit shaft sleeve between bar axle and valve body, limit shaft sleeve is used for stem shaft is positioned, fills out
Filler in material black box is used for ensureing that the sealing between stem shaft and valve body, filler set and hold-down grid are used for described
Filler is positioned, and so that filler is fixed, and prevents filler from producing in the friction process long-term with described stem shaft and loosens, carries
Rise its sealing effectiveness；Said structure carries out stable position to the bascule of valve plate, makes the valve plate moving part of butterfly valve be difficult to give birth to
Produce medium to reveal and permeate, ensure valve plate motion, extend the service life of valve plate.
The axis of described valve plate 2 and the axis of medium runner 11 are on two lines direction, the medium in stem shaft 3 downstream
It is positioned with trim ring 21 on runner 11 side wall, between trim ring 21 and valve body 1, be positioned with valve seat 22.Described valve seat 22 is that circumference is unclosed
Becket, the section of valve seat 22 is in u shape shape, and the u shape opening of valve seat 22 is towards the radial outside of medium runner 11, valve seat 22
U shape bottom protrude from trim ring 21 and be in medium runner 11.In said structure, valve body 1 medium runner 11 side wall positions
There is trim ring 21, between trim ring 21 and valve body 1, be positioned with valve seat 22, the section of this valve seat 22 is in u shape shape, and the u shape of valve seat 22 is opened
Towards the radial outside of medium runner 11, the u shape bottom of valve seat 22 protrudes from trim ring 21 and is in medium runner 11 mouth.It is being situated between
When mass flow body is liquid, the valve plate 2 of butterfly valve is closed down, the u shape bottom phase of the peripheral edge of valve plate 2 and valve seat 22
Support, the liquid in medium runner 11 can infiltrate in the u shape opening of valve seat 22 and provide a lasting pressure, because valve seat 22 is
The untight becket of circumference, this pressure makes valve seat 22 radially draw in, and the u shape bottom of valve seat 22 is with the peripheral edge of valve plate 2 more
Stick on conjunction, i.e. interference fit between this state lower valve base 22 and valve plate 2, sealing effectiveness is more preferable.
It should be appreciated that above-mentioned specific embodiment of the present utility model is used only for exemplary illustration or explains this reality
With new principle, and do not constitute to restriction of the present utility model.Therefore, without departing from spirit and scope of the present utility model
In the case of any modification, equivalent substitution and improvement done etc., should be included within protection domain of the present utility model.Additionally,
This utility model claims are intended to fall into scope and border or this scope and border
Whole changes in equivalents and modification.
Claims (1)
1. there is the butterfly valve of heat insulation effect it is characterised in that: include valve body, and be arranged on the valve plate in valve body, and with institute
State the stem shaft that valve plate is connected；The section of described valve body is in annular, in the middle part of valve body, its axis direction is provided with medium flow field
Road, the axial both ends of valve body are provided with the flange disk body for being connected with medium pipeline, and flange disk body is with valve body even
Connect injection mo(u)lding；Described valve inner is additionally provided with vapor chamber, and the steam channel communicating with described vapor chamber, and vapor chamber is along Jie
The side wall in mass flow road is circumferentially disposed；It is provided with locating shaft, stem shaft is arranged on medium runner on the side wall of described medium runner
Opposite side wall on, described locating shaft and stem shaft are on same axis, and valve plate is arranged in the medium runner of valve body, valve plate
One end be fixed on locating shaft by connection member, the other end of valve plate is fixed in stem shaft by connection member；
It is provided with positioning shaft sleeve, it is described fixed for positioning that the outer end of locating shaft is fixed between described locating shaft and body wall
The positioning pressuring plate of position axle sleeve, and the positioning end cap positioning described positioning pressuring plate；It is provided between described stem shaft and body wall
Limit shaft sleeve and packing seal assembly；Packing seal assembly includes the filler pad offseting with limit shaft sleeve, and is arranged on and fills out
Two-layer filler outside backing strap piece, and it is arranged on the filler spacer ring between two-layer filler, and for positioning described filler
Filler set, and for positioning the hold-down grid of described filler set；Hold-down grid is fastened on valve body by connection member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620958634.2U CN205918994U (en) | 2016-08-29 | 2016-08-29 | Butterfly valve with heat preservation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620958634.2U CN205918994U (en) | 2016-08-29 | 2016-08-29 | Butterfly valve with heat preservation effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205918994U true CN205918994U (en) | 2017-02-01 |
Family
ID=57868713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620958634.2U Active CN205918994U (en) | 2016-08-29 | 2016-08-29 | Butterfly valve with heat preservation effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205918994U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10648749B2 (en) | 2017-03-03 | 2020-05-12 | Swagelok Company | Fluid system components with thermal conditioning passages |
| USD886237S1 (en) | 2018-09-04 | 2020-06-02 | Swagelok Company | Thermal trace valve body |
-
2016
- 2016-08-29 CN CN201620958634.2U patent/CN205918994U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10648749B2 (en) | 2017-03-03 | 2020-05-12 | Swagelok Company | Fluid system components with thermal conditioning passages |
| US10976118B2 (en) | 2017-03-03 | 2021-04-13 | Swagelok Company | Fluid system components with thermal conditioning passages |
| USD886237S1 (en) | 2018-09-04 | 2020-06-02 | Swagelok Company | Thermal trace valve body |
| USD895772S1 (en) | 2018-09-04 | 2020-09-08 | Swagelok Company | Thermal trace valve body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |