CN209130198U - A kind of high temperature butterfly valve - Google Patents
A kind of high temperature butterfly valve Download PDFInfo
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- CN209130198U CN209130198U CN201822073131.9U CN201822073131U CN209130198U CN 209130198 U CN209130198 U CN 209130198U CN 201822073131 U CN201822073131 U CN 201822073131U CN 209130198 U CN209130198 U CN 209130198U
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Abstract
The problem of the utility model provides a kind of high temperature butterfly valve, can solve traditional butterfly valve that bearing is arranged in valve inner, be easy to cause valve rod stuck under high temperature or operating condition containing particulate contaminant, while also can not replace online and overhaul bearing.It includes valve body, valve rod and two supports of bearing, valve rod is installed in valve body and its both ends and valve body pass through packing box seal, two supports of bearing are individually fixed on the top and bottom of valve body, it is rotatablely connected respectively by bearing between valve rod and two supports of bearing, segmentation ring is installed on the valve rod on the outside of two bearings, segmentation ring is contacted with the end face of bearing, and segmentation ring is compressed by the segmentation ring-shaped pressuring plate being set on valve rod；Stuffing-box includes the anti-oxidant filler of filler seat, superhigh temperature resistant, filler spacer, common fillers and the hold-down grid being successively disposed adjacent from the bottom to top, and hold-down grid is fixedly installed on valve body and compresses common fillers, and hold-down grid is located in the support of bearing.
Description
Technical field
The utility model relates to valve field, specially a kind of high temperature butterfly valve.
Background technique
For angle stroke class valve, especially butterfly valve, metal bearing is its indispensable one of components.Traditional butterfly valve
In, bearing is built in valve body, as shown in Figure 1,1 being valve body, 2 being valve rod, 3 be bearing, 4 being filler.But for
The devices such as coal chemical industry, Ferrous Metallurgy, petrochemical refining, it is high temperature, very universal containing the operating conditions such as particulate contaminant.Since bearing is in valve
Internal portion, the impurity such as particulate matter that the medium in pipeline contains easily enter between valve rod and the mating surface of bearing, lead to valve
Bar is stuck；Simultaneously because bearing is directly contacted with the intracorporal high-temperature medium of valve, bearing is easily generated hot swollen because temperature is excessively high
It is swollen, and since bearing and the material of valve rod are generally different, the thermal expansion coefficient of the two is just different, after bearing and valve rod expanded by heating
Also it is directly stuck in Bearing inner to easily lead to valve rod, and then device is caused to stop, influences the serious production accidents such as production；
In addition, for bearing built-in in Fig. 1, if it is desired to replace bearing, or carry out the operation such as overhauling to bearing, it is necessary to will fill out
The components such as material are all removed, and replacement bearing is nearly impossible online in this way.
Summary of the invention
For traditional butterfly valve that bearing is arranged in valve inner, it is easy under high temperature or operating condition containing particulate contaminant
The technical issues of causing valve rod stuck, while also can not replacing online and overhaul bearing, the utility model provides a kind of high temperature
Butterfly valve is avoided that valve rod is stuck, realizes the online replacement and maintenance of bearing.
Its technical solution is such that a kind of high temperature butterfly valve comprising valve body, valve rod and bearing, the valve rod are installed on
Pass through in the valve body and respectively packing box seal between its both ends and the valve body, it is characterised in that: it further includes two axis
Bracket is held, two supports of bearing are fixedly installed in respectively on the top and bottom of the valve body, and upper and lower the two of the valve rod
End is pierced by the support of bearing respectively, and is connected respectively by bearing rotation between the valve rod and two supports of bearing
It connects, has mounting groove along its circumferential direction on the valve rod on the outside of two bearings, be installed in the mounting groove
Divide ring, the segmentation ring is contacted with the end face of the corresponding bearing respectively, and the segmentation ring is by being set in the valve rod
On segmentation ring-shaped pressuring plate compress, the segmentation ring-shaped pressuring plate is fixedly installed on the support of bearing；The stuffing-box includes by institute
State the anti-oxidant filler of filler seat, superhigh temperature resistant, filler spacer, common fillers and filler pressure that valve body is successively disposed adjacent from inside to outside
Plate, the hold-down grid are fixedly installed on the valve body and compress the common fillers, and the hold-down grid is located at the axis
It holds in bracket.
It is further characterized by:
It further includes valve plate, valve seat, metallic packing ring and sealing ring pressing ring, and the valve plate is fixedly installed in by valve plate pin
On the valve rod, the valve seat is fixedly welded in the valve chamber of the valve body, and the metallic packing ring passes through the sealing ring pressure
Circle press fitting cooperates on the valve plate and with the valve base sealing, and sealing is pressed between the metal o-ring and the valve plate
Circle, the sealing ring pressing ring are fixed on the valve plate by bolt one, between the bolt one and the sealing ring pressing ring also
It is pressed with spring washer one.
The segmentation ring is made of two semicircle snap rings, and two semicircle snap ring opposite directions are caught in the mounting groove.
The bearing above the valve body is installed on the top of the corresponding support of bearing, is located at the valve body
The bearing of lower section is installed on the lower part of the corresponding support of bearing.
It is fixedly connected between the segmentation ring-shaped pressuring plate and the support of bearing by stud one and nut one, the stud one
Circumferential direction along the segmentation ring-shaped pressuring plate is uniformly arranged.
The support of bearing includes bottom flange, sleeve and top cover, and the flange of the bottom flange is inserted into the lower end of the sleeve
Bottom flange welding described in Kong Bingyu is fixed, and is fixedly connected between the bottom flange and the valve body by bolt two, the bolt
Spring washer two is also pressed between two and the bottom flange；The bottom surface of the top cover is equipped with column-shaped projection, and the cylindricality is convex
It rises and is inserted into the sleeve with the upper end of the sleeve and is fixed with the sleeve weld, bearing installation is provided on the top cover
Hole, the bearing are installed in the bearing mounting hole, and the segmentation ring-shaped pressuring plate is fixedly installed on the top cover.
Also pass through positioning finger setting between the bottom flange and the valve body.
It is fixedly connected between the hold-down grid and the valve body by stud two and nut two, the stud two is along described
The circumferential direction of hold-down grid is uniformly arranged.
The stud two is corresponded on the sleeve and offers window respectively, and the window is arranged symmetrically two-by-two.
The valve body includes valve chamber ontology, top filler construction section and lower part filler construction section, the top filler installation
Fixation is respectively welded between section and the valve chamber ontology, between the lower part filler construction section and the valve chamber ontology.
The beneficial effects of the utility model are:
Bearing is installed in the support of bearing, makes outside bearing by the way that the support of bearing is arranged by the high temperature butterfly valve of the utility model
It is placed in the inner cavity of valve body, far from high-temperature medium, and the high-temperature medium of bearing and valve inner is anti-oxidant by superhigh temperature resistant
Filler has carried out effective isolation, not only effectively prevents the impurity such as particulate matter and enters between valve rod and the mating surface of bearing, and
And bearing and stem material at place by high temperature influenced almost to can be ignored, to can effectively avoid valve rod card
Extremely；Meanwhile by clamping segmentation ring on the valve rod on the outside of bearing, with segmentation ring pressing bearing, realize to upper and lower two axis
It holds and the limit of valve rod, no matter any one bearing above and below is replaced or overhauled, and can be carried out directly
Disassembly, because any one corresponding segmentation ring of bearing has all completed limit up and down, disassembly therein any one to valve rod
A bearing will not all have an impact the upper and lower position of valve rod, would not also influence the sealing performance of valve in this way, while by
In external bearings in stuffing-box, the leakage of valve will not be had an impact by dismantling bearing, to make replacement and service valve online
Door becomes feasible.
Detailed description of the invention
Fig. 1 is the mounting structure schematic diagram of traditional butterfly valve middle (center) bearing；
Fig. 2 is the main sectional view of the utility model；
Fig. 3 is the enlarged drawing of a-quadrant in Fig. 2；
Fig. 4 is the enlarged drawing of B area in Fig. 2；
Fig. 5 is the left view of Fig. 2；
Fig. 6 is the enlarged drawing in the region C in Fig. 5.
Appended drawing reference: 11- valve body；111- valve chamber ontology；The top 112- filler construction section；The lower part 113- filler construction section；
12- valve rod；13- bearing；The 14- support of bearing；The bottom 141- flange；142-sleeves；143- top cover；15- divides ring；16- divides ring
Pressing plate；17- stud one；18- nut one；19- filler seat；The anti-oxidant filler of 20- superhigh temperature resistant；21-filler spacers；22- is common
Filler；23- hold-down grid；24- stud two；25- nut two；26- valve plate；27- valve seat；28- metallic packing ring；29- sealing ring
Pressing ring；30- valve plate pin；31- sealing ring；32- bolt one；33- spring washer one；34- bolt two；35- positioning pin；36- spring
Washer two；37- window.
Specific embodiment
See Fig. 2 to Fig. 6, a kind of high temperature butterfly valve of the utility model comprising valve body 11, valve rod 12, bearing 13 and two
The support of bearing 14；Valve body 11 includes valve chamber ontology 111, top filler construction section 112 and lower part filler construction section 113, and top is filled out
Fixation is respectively welded between material construction section 112 and valve chamber ontology 111, between lower part filler construction section 113 and valve chamber ontology 111,
Since valve body 11 is made of sheet metal welding, relative to casting valve body, especially for special material, such as high Ni-based conjunction
Gold, two-way steel and special steel material, just effectively prevent the defect of valve body moulding quality, material cost is more economical, the system of blank
It makes also more convenient；Valve rod 12 is installed in valve body 11 and its both ends and top filler construction section 112 and lower part filler construction section
Pass through packing box seal between 113 respectively；Two supports of bearing 14 are fixedly installed in respectively on the top and bottom of valve body 11, valve
The upper/lower terminal of bar 12 is pierced by the support of bearing 14 respectively, and passes through bearing 13 between valve rod 12 and two supports of bearing 14 respectively
Rotation connection, it is preferred that the bearing 13 above valve body 11 is installed on the top of the corresponding support of bearing 14, is located at valve body 11
The bearing 13 of lower section is installed on the lower part of the corresponding support of bearing 14, is designed in this way, and bearing 13 can be far from the high temperature in valve body 11
Medium；Mounting groove is had along its circumferential direction on the valve rod 12 in two 13 outsides of bearing, segmentation ring is installed in mounting groove
15, segmentation ring 15 is made of two semicircle snap rings, and two semicircle snap ring opposite directions are caught in mounting groove, upper and lower two segmentations ring 15
The part for exposing to mounting groove is contacted with the end face of corresponding bearing 13 respectively, and segmentation ring 15 is by being set in dividing on valve rod 12
The compression of ring-shaped pressuring plate 16 is cut, and then divides ring 15 and bearing 13 is compressed into limit, segmentation ring-shaped pressuring plate 16 passes through stud 1 and nut one
18 are fixedly mounted on the support of bearing 14, and stud 1 is uniformly arranged along the circumferential direction of segmentation ring-shaped pressuring plate 16, unload stud 1, spiral shell
Mother 1 can unload segmentation ring-shaped pressuring plate 16, then unload segmentation ring 15, can replace and safeguard online bearing 13, very convenient；
Stuffing-box includes the anti-oxidant filler 20 of filler seat 19, superhigh temperature resistant, the filler spacer being successively disposed adjacent from inside to outside by valve body 11
21, common fillers 22 and hold-down grid 23, the anti-oxidant filler 20 of superhigh temperature resistant are that U.S. Ka Leke (Garlock) seals limited public affairs
The filler of the model FC-4122 of production is taken charge of, with excellent superhigh temperature resistant antioxygenic property, hold-down grid 23 passes through stud
2 24 and nut 2 25 be fixedly installed on valve body 11 and compress common fillers 22, stud 2 24 along hold-down grid 23 it is circumferential
Cloth setting, hold-down grid 23 are located in the support of bearing 14；Valve plate 26, valve seat 27,28 and of metallic packing ring are additionally provided in valve body 11
Sealing ring pressing ring 29, valve plate 26 are fixedly installed on the valve rod 12 inside valve body 11 by valve plate pin 30, and valve seat 27 is welded and fixed
In in the valve chamber of valve body 11, metallic packing ring 28 is matched by the press fitting of sealing ring pressing ring 29 on valve plate 26 and with the sealing of valve seat 27
It closes, sealing ring 31 is pressed between metal o-ring 28 and valve plate 26, sealing ring pressing ring 29 is fixed on valve plate by bolt 1
On 26, spring washer 1 is also pressed between bolt 1 and sealing ring pressing ring 29, rotation valve rod 12 drives metallic packing ring
28 rotate and squeeze the sealing that valve seat 27 realizes valve.
See that Fig. 3, the support of bearing 14 include bottom flange 141, sleeve 142 and top cover 143, bottom method is inserted into the lower end of sleeve 143
The flange hole of orchid 141 is simultaneously welded and fixed with bottom flange 141, is fixedly connected between bottom flange 141 and valve body 11 by bolt 2 34
And positioned by positioning pin 35, spring washer 2 36 is also pressed between bolt 2 34 and bottom flange 141；Hold-down grid 23 is located at
In sleeve 142, stud 2 24 is corresponded on sleeve 142 and offers window 37 respectively, window 37 is arranged symmetrically two-by-two, and window 37 is set
Set and valve facilitated to fasten filler online, window 37 is arranged symmetrically the circulation for facilitating air, be conducive to valve stuffing box position and
When radiate；The bottom surface of top cover 143 be equipped with column-shaped projection, column-shaped projection be inserted into the upper end of sleeve 142 sleeve 142 and with
Sleeve 142 is welded and fixed, and bearing mounting hole is provided on top cover 143, and bearing 13 is installed in bearing mounting hole, divides ring-shaped pressuring plate 16
It is fixedly installed on top cover 143.The support of bearing 14 uses welded structure, and 13 outside almost all of bearing is wrapped up
(see figure 3) effectively can avoid foreign matter from entering Bearing inner.
Claims (10)
1. a kind of high temperature butterfly valve comprising valve body, valve rod and bearing, the valve rod is installed in the valve body and its both ends and institute
It states and passes through packing box seal between valve body respectively, it is characterised in that: it further includes two supports of bearing, two supports of bearing
It being fixedly installed on the top and bottom of the valve body respectively, the upper/lower terminal of the valve rod is pierced by the support of bearing respectively,
And be rotatablely connected respectively by the bearing between the valve rod and two supports of bearing, it is located on the outside of two bearings
The valve rod on along its circumferential direction have mounting groove, be installed with segmentation ring in the mounting groove, the segmentation ring respectively with
The end face contact of the corresponding bearing, the segmentation ring is compressed by the segmentation ring-shaped pressuring plate being set on the valve rod, described
Segmentation ring-shaped pressuring plate is fixedly installed on the support of bearing；The stuffing-box includes successively being disposed adjacent from inside to outside by the valve body
Filler seat, the anti-oxidant filler of superhigh temperature resistant, filler spacer, common fillers and hold-down grid, the hold-down grid is fixedly mounted
In on the valve body and compressing the common fillers, the hold-down grid is located in the support of bearing.
2. a kind of high temperature butterfly valve according to claim 1, it is characterised in that: it further includes valve plate, valve seat, metallic packing ring
With sealing ring pressing ring, the valve plate is fixedly installed on the valve rod by valve plate pin, and the valve seat is fixedly welded on the valve
In the valve chamber of body, the metallic packing ring is pressed by the sealing ring pressing ring matches on the valve plate and with the valve base sealing
It closes, sealing ring is pressed between the metallic packing ring and the valve plate, the sealing ring pressing ring is fixed on institute by bolt one
It states on valve plate, is also pressed with spring washer one between the bolt one and the sealing ring pressing ring.
3. a kind of high temperature butterfly valve according to claim 1, it is characterised in that: the segmentation ring is by two semicircle snap ring groups
At two semicircle snap ring opposite directions are caught in the mounting groove.
4. a kind of high temperature butterfly valve according to claim 1, it is characterised in that: the bearing peace above the valve body
Top loaded on the corresponding support of bearing, the bearing below the valve body are installed on the corresponding bearing branch
The lower part of frame.
5. a kind of high temperature butterfly valve according to claim 1, it is characterised in that: the segmentation ring-shaped pressuring plate and the support of bearing
Between be fixedly connected with nut one by stud one, the stud one is uniformly arranged along the circumferential direction of the segmentation ring-shaped pressuring plate.
6. a kind of high temperature butterfly valve according to claim 1, it is characterised in that: the support of bearing includes bottom flange, sleeve
And top cover, the lower end of the sleeve are inserted into the flange hole of the bottom flange and are fixed with the bottom flange welding, the bottom flange
It is fixedly connected between the valve body by bolt two, is also pressed with spring washer between the bolt two and the bottom flange
Two；The bottom surface of the top cover is equipped with column-shaped projection, and the column-shaped projection is inserted into the sleeve with the upper end of the sleeve
And fixed with the sleeve weld, bearing mounting hole is provided on the top cover, the bearing is installed in the bearing mounting hole,
The segmentation ring-shaped pressuring plate is fixedly installed on the top cover.
7. a kind of high temperature butterfly valve according to claim 6, it is characterised in that: also logical between the bottom flange and the valve body
Cross positioning finger setting.
8. a kind of high temperature butterfly valve according to claim 7, it is characterised in that: lead between the hold-down grid and the valve body
It crosses stud two to be fixedly connected with nut two, the stud two is uniformly arranged along the circumferential direction of the hold-down grid.
9. a kind of high temperature butterfly valve according to claim 8, it is characterised in that: correspond to the stud two on the sleeve and distinguish
Window is offered, the window is arranged symmetrically two-by-two.
10. a kind of high temperature butterfly valve according to claim 1, it is characterised in that: the valve body includes that valve chamber ontology, top are filled out
Construction section and lower part filler construction section are expected, between the top filler construction section and the valve chamber ontology, lower part filler peace
Fixation is respectively welded between dress section and the valve chamber ontology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822073131.9U CN209130198U (en) | 2018-12-11 | 2018-12-11 | A kind of high temperature butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822073131.9U CN209130198U (en) | 2018-12-11 | 2018-12-11 | A kind of high temperature butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209130198U true CN209130198U (en) | 2019-07-19 |
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ID=67248433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822073131.9U Active CN209130198U (en) | 2018-12-11 | 2018-12-11 | A kind of high temperature butterfly valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN209130198U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043323A (en) * | 2019-12-31 | 2020-04-21 | 浙江大学 | Valve sealing structure capable of reducing abrasion and method thereof |
| CN114535239A (en) * | 2020-11-24 | 2022-05-27 | 徐捷 | External assembly scheme for main shaft bearing of rotary large disc of particle friction barrel washing machine |
-
2018
- 2018-12-11 CN CN201822073131.9U patent/CN209130198U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043323A (en) * | 2019-12-31 | 2020-04-21 | 浙江大学 | Valve sealing structure capable of reducing abrasion and method thereof |
| CN114535239A (en) * | 2020-11-24 | 2022-05-27 | 徐捷 | External assembly scheme for main shaft bearing of rotary large disc of particle friction barrel washing machine |
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