CN206290745U - Lock slag valve - Google Patents
Lock slag valve Download PDFInfo
- Publication number
- CN206290745U CN206290745U CN201621425904.XU CN201621425904U CN206290745U CN 206290745 U CN206290745 U CN 206290745U CN 201621425904 U CN201621425904 U CN 201621425904U CN 206290745 U CN206290745 U CN 206290745U
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- CN
- China
- Prior art keywords
- valve
- spheroid
- support shaft
- spring
- lock slag
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Abstract
The utility model discloses a kind of lock slag valve, including valve body, valve seat and spheroid, valve body is provided with valve cover and valve base plate, valve cover is provided with stuffing box, gland and valve rod, and stem bottom is connected on spheroid, and wear-resisting supporting plate and support shaft are provided with valve base plate, support shaft top is sleeved in spheroid, valve base sealing component is provided between valve body and valve seat, valve base sealing component includes sealing ring I, dished spring assembly and sealing ring II, and dished spring assembly includes valve base sealing pad, clasp, disc spring and catch；The utility model by by sphere supports in wear-resisting supporting plate and support shaft, make valve rod and support shaft concentric up and down, valve element is reduced to shake and shake in valve body, reduce seal spool abrasion, additionally by double disc spring compound gaskets, clasp and valve base sealing mat structure is provided between valve seat and valve body, double disc springs are compensated to valve base sealing pad in use, improve valve base sealing pad sealing effectiveness, extension lock slag valve service life, improves productivity effect.
Description
Technical field
The utility model belongs to the technical field for the stopper for having spherical surface, is specifically related to a kind of lock slag valve.
Background technology
There are the high temperature such as pulp water, steam, coal gas, abrasion high, deep-etching on the Residue extraction pipeline of coal slurry gasification operating mode, in medium
Feature, it is desirable to which the valve used on pipeline has the function such as current global mechanism, high temperature resistant, wear-resistant, corrosion-resistant, so general using hard
Seal ball-valve；The structure of current hard seal ball valve is general by valve body, spheroid, valve seat, valve rod, bonnet, seal and installed part group
Into spheroid is sprayed or pile-up welding hard alloy material respectively with the sealing surface of valve seat, improves the anti-wear performance of sealing pair.Valve seat is used
Floating structure, prevents valve seat stuck with spheroid high-temperature expansion.With high temperature resistant, it is wear-resistant the features such as.But, in coal slurry gasification
In operating mode, medium has the features such as particle, coking, cinder can coking on spheroid and sealing surface of seat, coking when ball valve is opened and closed
Thing makes sealing pair wear and tear quickly, and product sealing reliability is poor, service life is short.
The content of the invention
In view of this, the purpose of this utility model is to provide a kind of lock slag valve, and the lock slag valve exists by by sphere supports
In wear-resisting supporting plate and support shaft, make valve rod and support shaft concentric up and down, reduce valve element and shake and shake in valve body, reduce
Seal spool weares and teares, additionally by being provided between valve seat and valve body double disc spring compound gaskets, clasp and valve base sealing pad
Structure, in use double disc springs valve base sealing pad is compensated, improve valve base sealing pad sealing effectiveness, extend lock slag valve
Service life, improves productivity effect.
In order to achieve the above object, a kind of lock slag valve of the utility model, including valve body, the valve seat being arranged in valve body and in
Empty spheroid, the spheroid top is provided with the valve cover on valve body, and the valve body two ends are provided with for installation
Flange, the valve cover be provided with stuffing box, the gland being bolted on stuffing box and be sleeved on gland, stuffing box and
Valve rod in valve cover, the stem bottom is connected on spheroid, and the body base is detachably provided with valve base plate；The valve
The wear-resisting supporting plate for bearing balls is provided with base plate, the valve base plate middle setting has support shaft, the support shaft top
Portion is sleeved in spheroid, and the support shaft is coaxial with valve rod, and wear-resistant sleeve is provided between the support shaft and spheroid；
Valve base sealing component is provided between the valve body and valve seat one end, the valve base sealing component includes being sleeved on valve
On seat side wall and diameter the sealing ring I, dished spring assembly and the sealing ring II that increase successively, the dished spring assembly includes what is set gradually
Valve base sealing pad, clasp, disc spring and catch, the disc spring are set to 1 pair and are symmetricly set on and catch both sides.
Further, the seal being sleeved on valve rod is provided with described filler case, the seal extends stuffing box
Surface is provided with the shaft shoulder, and the gland bottom inside is provided with annular groove, and the shaft shoulder extends into be provided with and bullet is connected with annular groove
Spring.
Further, the spring is provided with butterfly spring, and the butterfly spring is set to no less than 2.
Further, it is symmetrical arranged between the butterfly spring is adjacent two-by-two.
Further, the seal is set to polytetrafluoroethylene (PTFE) graphite packing.
Further, the seal is set to polyfluortetraethyledust dust circle and flexible graphite belt combining structure, the spring
It is squeezed on polyfluortetraethyledust dust circle.
Further, gap is provided between the gland and valve rod, the seal upper end is extended into gap.
Further, described filler bottom portion is connected with the seam pad and axle sleeve being sleeved on valve rod, is set on the axle sleeve
There is axle sleeve wear-resistant pad.
Further, the support shaft is removably mounted on valve base plate by bolt.
The beneficial effects of the utility model are：
The utility model lock slag valve in wear-resisting supporting plate and support shaft, makes on valve rod and support shaft by by sphere supports
It is lower concentric, reduce valve element and shake and shake in valve body, seal spool abrasion is reduced, additionally by between valve seat and valve body
Double disc spring compound gaskets, clasp and valve base sealing mat structure are provided with, double disc springs are entered to valve base sealing pad in use
Row compensation, improves valve base sealing pad sealing effectiveness, extends lock slag valve service life, improves productivity effect.
Brief description of the drawings
In order that the purpose of this utility model, technical scheme and beneficial effect are clearer, the utility model provides as follows
Accompanying drawing is illustrated：
Fig. 1 shows for the structure of the utility model lock slag valve；
Fig. 2 is the enlarged drawing of valve base sealing component in Fig. 1；
Fig. 3 is the enlarged drawing of filler box seal device in Fig. 1；
Fig. 4 is the enlarged drawing of filler box seal device in Fig. 3.
Brief description of the drawings：1- valve bodies；2- valve seats；3- spheroids；4- valve rods；5- stuffing boxes；6- valve base sealing components；7- sealing rings
I；8- sealing rings II；9- butterfly springs；10- catch；11- clasps；12- valve base sealing pads；13- valve covers；14- axle sleeves；15- seams
Pad；16- glands；17- seals；18- bolts；19- double threaded screws；20- nuts；21- springs；22- annular grooves；23- dust rings；
24- flexible graphite belts；25- valve base plates；The wear-resisting supporting plates of 26-；27- support shafts；28- wear-resistant sleeves；29- flanges.
Specific embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
As shown in Figure 1 for the structure of the utility model lock slag valve is shown；It is illustrated in figure 2 putting for valve base sealing component in Fig. 1
Big figure；A kind of lock slag valve of the utility model, including valve body 1, the valve seat 2 and hollow spheroid 3 that are arranged in valve body 1, the ball
The top of body 3 is provided with the valve cover 13 on valve body 1, and the two ends of the valve body 1 are provided with the flange 29 for installing, described
Valve cover 13 is provided with stuffing box 5, the gland 16 that is connected on stuffing box 5 by bolt 18 and is sleeved on gland 16, stuffing box 5
With the valve rod 4 in valve cover 13, the bottom of the valve rod 4 is connected on spheroid 3, and the bottom of the valve body 1 is detachably provided with valve bottom
Plate 25；The wear-resisting supporting plate 26 for bearing balls 3 is provided with the valve base plate 25, the middle setting of valve base plate 25 has branch
Support axle 27, the top of the support shaft 27 is sleeved in spheroid 3, and the support shaft 27 is coaxial with valve rod 4, the support shaft 27 and ball
Wear-resistant sleeve 28 is provided between body 3；
Valve base sealing component 6 is provided between the valve body 1 and the one end of valve seat 2, the valve base sealing component 6 includes suit
On the side wall of valve seat 2 and diameter the sealing ring I7, dished spring assembly and the sealing ring II8 that increase successively, the dished spring assembly include according to
The valve base sealing pad 12 of secondary setting, clasp 11, disc spring 9 and catch 10, the disc spring 9 are set to 1 pair and are symmetricly set on and keep off
The both sides of piece 10.
The present embodiment in wear-resisting supporting plate and support shaft, makes valve rod and support shaft concentric up and down by by sphere supports,
Reduce valve element to shake and shake in valve body, reduce seal spool abrasion, be provided with additionally by between valve seat and valve body
Double disc spring compound gaskets, clasp and valve base sealing mat structure, in use double disc springs valve base sealing pad is compensated,
Valve base sealing pad sealing effectiveness is improved, extends lock slag valve service life, improve productivity effect.
Further, it is illustrated in figure 3 the enlarged drawing of filler box seal device in Fig. 1；It is illustrated in figure 4 stuffing box in Fig. 3
The enlarged drawing of sealing device；The seal 17 being sleeved on valve rod 4 is provided with described filler case 5, the seal 17 extends
Go out the surface of stuffing box 5 and be provided with the shaft shoulder, the bottom inside of the gland 16 is provided with annular groove 22, and the shaft shoulder is extended into and is provided with ring
Spring 21 is connected with groove 22, the present embodiment is provided with annular groove 22 by the inner side of gland 16, and the seal 17 in stuffing box 5 prolongs
Stretch out the surface of stuffing box 5 and be provided with the shaft shoulder, using being provided with the spring 21 that is squeezed on the shaft shoulder, squeeze sealing member in annular groove 22
17, in use spring 21 seal 17 is compensated, improve sealing effectiveness, extend the service life of seal 17, carry
Productivity effect high.
Further, the preferred spring 21 is provided with butterfly spring, and the butterfly spring is set to no less than 2, excellent
It is symmetrical arranged between the butterfly spring of choosing is adjacent two-by-two, the structure is conducive to improving the mechanical property of spring 11.
Further, the preferred seal 17 is set to polytetrafluoroethylene (PTFE) graphite packing.
Further, the preferred seal 17 is set to polyfluortetraethyledust dust circle 23 and the combination knot of flexible graphite belt 24
Structure, the spring is squeezed on polyfluortetraethyledust dust circle 23, and the structure is conducive to dust-proof, and dust can be avoided to enter filler
Case, is conducive to protecting valve rod 1, it is to avoid stem surface is worn and torn.
Further, gap is preferably provided between the gland 16 and valve rod 4, between the upper end of the seal 17 extends into
In gap, the structure avoids producing friction between gland 16 and valve rod 4.
Further, the preferred bottom of described filler case 5 is connected with the seam pad 15 and axle sleeve 14 being sleeved on valve rod, described
Axle sleeve wear-resistant pad is provided with axle sleeve 14, the bottom of described filler case 5 is connected to valve cover 13 by double threaded screw 19 and nut 20
On.
Further, the preferred support shaft 27 is removably mounted on valve base plate 25 by bolt, the present embodiment knot
Structure is conveniently repaired mainly in the lock slag valve of big specification.
Finally illustrate, preferred embodiment above is only used to illustrate the technical solution of the utility model and unrestricted, to the greatest extent
Pipe is described in detail by above preferred embodiment to the utility model, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims institute to it in the form and details
The scope of restriction.
Claims (9)
1. a kind of lock slag valve, including valve body, the valve seat being arranged in valve body and hollow spheroid, the spheroid top are provided with peace
Valve cover on valve body, the valve body two ends are provided with the flange for installing, and the valve cover is provided with stuffing box, leads to
The gland being bolted on stuffing box and the valve rod being sleeved in gland, stuffing box and valve cover are crossed, the stem bottom connects
It is connected on spheroid, it is characterised in that：The body base is detachably provided with valve base plate；It is provided with for propping up on the valve base plate
The wear-resisting supporting plate of spheroid is held, the valve base plate middle setting has support shaft, and the support shaft top is sleeved in spheroid, described
Support shaft is coaxial with valve rod, and wear-resistant sleeve is provided between the support shaft and spheroid；
Valve base sealing component is provided between the valve body and valve seat one end, the valve base sealing component includes being sleeved on valve seat side
On wall and diameter the sealing ring I, dished spring assembly and the sealing ring II that increase successively, the dished spring assembly includes the valve seat for setting gradually
Sealing gasket, clasp, disc spring and catch, the disc spring are set to 1 pair and are symmetricly set on and catch both sides.
2. lock slag valve according to claim 1, it is characterised in that：Be provided with described filler case be sleeved on it is close on valve rod
Sealing, the seal extends stuffing box surface and is provided with the shaft shoulder, and the gland bottom inside is provided with annular groove, the shaft shoulder
Extend into be provided with and spring is connected with annular groove.
3. lock slag valve according to claim 2, it is characterised in that：The spring is provided with butterfly spring, the butterfly bullet
Spring is set to no less than 2.
4. lock slag valve according to claim 3, it is characterised in that：It is symmetrical arranged between the butterfly spring is adjacent two-by-two.
5. the lock slag valve according to any one of claim 2~4, it is characterised in that：The seal is set to polytetrafluoroethyl-ne
Alkene graphite packing.
6. the lock slag valve according to any one of claim 2~4, it is characterised in that：The seal is set to polytetrafluoroethyl-ne
Alkene dust ring and flexible graphite belt combining structure, the spring are squeezed on polyfluortetraethyledust dust circle.
7. lock slag valve according to claim 2, it is characterised in that：Gap is provided between the gland and valve rod, it is described
Seal upper end is extended into gap.
8. lock slag valve according to claim 2, it is characterised in that：Described filler bottom portion is connected with and is sleeved on valve rod
Seam pad and axle sleeve, are provided with axle sleeve wear-resistant pad on the axle sleeve.
9. lock slag valve according to claim 1, it is characterised in that：The support shaft is removably mounted at valve bottom by bolt
On plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621425904.XU CN206290745U (en) | 2016-12-23 | 2016-12-23 | Lock slag valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621425904.XU CN206290745U (en) | 2016-12-23 | 2016-12-23 | Lock slag valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206290745U true CN206290745U (en) | 2017-06-30 |
Family
ID=59153460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621425904.XU Active CN206290745U (en) | 2016-12-23 | 2016-12-23 | Lock slag valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206290745U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704625A (en) * | 2016-12-23 | 2017-05-24 | 重庆特通阀门有限公司 | Lock hopper valve |
| CN108253001A (en) * | 2017-12-28 | 2018-07-06 | 北京天恒长鹰科技股份有限公司 | Fixed connection apparatus and aerostatics |
-
2016
- 2016-12-23 CN CN201621425904.XU patent/CN206290745U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704625A (en) * | 2016-12-23 | 2017-05-24 | 重庆特通阀门有限公司 | Lock hopper valve |
| CN108253001A (en) * | 2017-12-28 | 2018-07-06 | 北京天恒长鹰科技股份有限公司 | Fixed connection apparatus and aerostatics |
| CN108253001B (en) * | 2017-12-28 | 2020-08-18 | 北京天恒长鹰科技股份有限公司 | Fixed connection device and aerostat |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |