CN207486168U - Top dress blowout prevention valve rod ceramic ball valve - Google Patents
Top dress blowout prevention valve rod ceramic ball valve Download PDFInfo
- Publication number
- CN207486168U CN207486168U CN201721623328.4U CN201721623328U CN207486168U CN 207486168 U CN207486168 U CN 207486168U CN 201721623328 U CN201721623328 U CN 201721623328U CN 207486168 U CN207486168 U CN 207486168U
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- valve
- valve rod
- blowout prevention
- ceramic ball
- valve body
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Abstract
The upper mounting plate that the utility model top dress blowout prevention valve rod ceramic ball valve includes valve body, is fixedly connected with the valve body, across upper mounting plate and valve body and the valve rod that is fixedly connected with sphere, across valve body upper mounting plate and the stationary bushing of fixed valve rod, ceramic core and two valve seats in valve body, the sphere between two valve seats, the flange for being connected to valve body both ends, stationary bushing flange and valve seat inner cavity form runner, sphere and valve seat contact seal, the sealing surface of formation is ceramic material.The utility model top dress blowout prevention valve rod ceramic ball valve easily realizes the top dress function of valve rod by increasing stationary bushing, the blowout prevention function of valve rod is realized again, it is simple in structure, it is easy for installation, it can be more safe, reliable, environmentally friendly during use, full lining ceramics in runner, wear-resisting property, corrosion resistance are fabulous.
Description
Technical field
The utility model is related to a kind of ceramic ball valve, more particularly to a kind of roof-mounted ceramic ball valve of valve rod.
Background technology
Existing ceramic ball valve, most of blowout prevention design is all by hold-down grid, it is impossible to the blowout prevention effect reached, and
The design of a small amount of blowout prevention valve rod all fills formula the bottom of using, cumbersome during installing, opening and inspecting valve rod, and reliability is not yet
It is high.
Existing ceramic ball valve using single group filler as valve stuffing box, if valve stuffing box leaks, can cause to transport
Row equipment stops or even causes the perils such as equipment explosion, Field Force is damaged, and do not have axis between filler
Set, during pressing plate is pressed downward, leads to pressure decline, it is impossible to ensure the maximum pressure of bottom filling.
Valve does not set liner or sealing is unreliable, in chemical industry just in case inner body damage, medium is directly from flange
It is revealed between valve body, production scene can be seriously affected or even the accident of bigger occurs.
Utility model content
The purpose of this utility model be to provide a kind of simple in structure, installation open and inspect conveniently, use it is safer complete
Serve as a contrast ceramic ball valve.
To achieve the above object, the technical solution of the utility model is：Top dress blowout prevention valve rod ceramic ball valve, including valve
Body, the upper mounting plate being fixedly connected with the valve body, two valve seats made of the ceramic material in valve body, between two valve seats
Sphere, be connected to valve body both ends flange, across upper mounting plate and valve body and the valve rod that is fixedly connected with sphere, the flange
Runner is formed with the inner cavity of the valve seat, further includes stationary bushing, the stationary bushing insertion valve body is interior and is sleeved on outside valve rod,
The valve rod passes through upper mounting plate and is pressed on stationary bushing, and valve rod pushes down valve from valve body upper end right angle setting, the stationary bushing
Bar.
The utility model top fills blowout prevention valve rod ceramic ball valve, wherein, there is thrust washer between the stationary bushing and valve rod,
It is sealed between the stationary bushing and valve body using Graphite pad.This sets so that the active force of stationary bushing acts on valve
On body, prevent from acting directly on lining in valve body.
The utility model top fills blowout prevention valve rod ceramic ball valve, wherein, by filling out between the valve rod and upper mounting plate and valve body
Expect letter sealing, sealed between the valve body, valve body liner and flange using Graphite pad.This sets so that sealing is more reliable.
The utility model top fills blowout prevention valve rod ceramic ball valve, wherein, the stuffing-box includes multiple along the outer of the valve rod
The graphite braided packing that surface is set gradually is provided with metal axle sleeve between multiple graphite braided packings.
The utility model top fills blowout prevention valve rod ceramic ball valve, wherein, the graphite braided packing is filled out for soft graphite braiding
Material.
The utility model top fills blowout prevention valve rod ceramic ball valve, wherein, the outer surface of the valve rod is additionally provided with packing press ring
And hold-down grid, the packing press ring are crimped on stuffing-box, the hold-down grid is pressed on packing press ring.
The utility model top fills blowout prevention valve rod ceramic ball valve, wherein, the upper mounting plate is consolidated with valve body by stud and nut
Fixed connection.
The utility model top fills blowout prevention valve rod ceramic ball valve, wherein, flange liner, institute are both provided in two flanges
Flange liner is stated to be crimped between flange and valve seat.
The utility model top fills blowout prevention valve rod ceramic ball valve, wherein, ladder inner wall and the valve seat of the flange liner
Outer wall between be provided with sealing ring.
The utility model top fills blowout prevention valve rod ceramic ball valve, wherein, the material of the axle sleeve is brass.
After using the above scheme, compared with prior art, in the dress blowout prevention valve rod ceramic ball valve of the utility model top, valve rod is adopted
It is roof-mounted, valve rod is to be pushed down by the stationary bushing being embedded in valve body, then push down valve rod by upper mounting plate, passes through bolt, spiral shell
Mother's connection, stationary bushing are acted on valve body, are reduced the pressure of valve body liner, are set between upper mounting plate, stationary bushing, valve rod three
Put stuffing-box, stuffing-box reduces leakage coefficient, increases safety, between graphite braided packing with shaft room every so that pressing plate
Pressing force can be transmitted uniformly downwards successively.
In the dress blowout prevention valve rod ceramic ball valve of the utility model top, sphere and valve seat contact seal, the sealing surface that the two is formed
It is wear-resistant, corrosion-resistant for ceramic material.
In the dress blowout prevention valve rod ceramic ball valve of the utility model top, the design of stuffing-box can guarantee valve rod for a long time rotation and
It does not leak.
The top of the utility model dress blowout prevention valve rod ceramic ball valve is described further below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the front sectional view that the utility model top fills blowout prevention valve rod ceramic ball valve；
Fig. 2 is the vertical view that the utility model top fills blowout prevention valve rod ceramic ball valve.
Specific embodiment
With reference to shown in Fig. 1 and Fig. 2, the utility model top dress blowout prevention valve rod ceramic ball valve includes valve body 1, is fixed with valve body 1
Two valve seats 16 made of the upper mounting plate 11 of connection, the symmetrically arranged ceramic material in valve body 1, positioned at two valve seats 16
Between sphere 17, be connected to 1 both ends of valve body flange 15, fix across upper mounting plate 11 and valve body 1 and lower end and sphere 17
The inner cavity of valve rod 4, the stationary bushing 10 of connection, flange 15 and valve seat 16 forms runner, and stationary bushing 10 is embedded in valve body 1 and covers
Outside valve rod 4, valve rod 4 passes through upper mounting plate 11 and is pressed on stationary bushing 10, and valve rod 4 is fixed from 1 upper end right angle setting of valve body
Bushing 10 pushes down valve rod 4, there is thrust washer 12 between stationary bushing 10 and valve rod 4, and stone is used between stationary bushing 10 and valve body 1
Ink pad piece 13 is sealed.
As shown in Figure 1, sealed between valve rod 4 and upper mounting plate 11 and valve body 1 by stuffing-box 7, valve body 1, valve body liner 2 with
It is sealed between flange 15 using Graphite pad 14, stuffing-box 7 includes the flexible stone that multiple outer surfaces along valve rod 4 are set gradually
Black braided packing 8, is provided with the axle sleeve 9 of brass material between multiple graphite braided packings 8, the outer surface of valve rod 4 is additionally provided with
Packing press ring 6 and hold-down grid 5, packing press ring 6 are crimped on stuffing-box 7, and hold-down grid 5 is pressed on packing press ring 6, two methods
Flange liner 18 is both provided in orchid 15, flange liner 18 is crimped between flange 15 and valve seat 16.
As shown in Figure 1, it is provided with sealing ring 23 between the ladder inner wall of flange liner 18 and the outer wall of valve seat 16.
As shown in Figure 1, the upper end of the present embodiment top dress blowout prevention valve rod ceramic ball valve valve rod 4 through and out valve body liner 2,
Valve body 1, stationary bushing 10, upper mounting plate 11, packing press ring 6, outside hold-down grid 5, valve rod 4 passes through upper mounting plate 11, valve body 1 and passes through
Stuffing-box 7 seals, stuffing-box 7 include the graphite braided packing 8 set gradually from bottom to top along the outer surface of valve rod 4, axle sleeve 9,
Graphite braided packing 8, axle sleeve 9, graphite braided packing 8, stud 21 pass through hold-down grid 5, upper mounting plate 11 and are locked with nut 22,
Upper mounting plate 11 pushes down stationary bushing 10 by stud 19 and nut 20, and stud 19 passes through upper mounting plate 11, valve body 1 and locked with nut 20
Tightly, the material of axle sleeve 9 is brass, and upper mounting plate 11 is sealed after fastening is connect with valve body 1 by Graphite pad 3, and upper mounting plate 11 compresses
Stationary bushing 10, hold-down grid 5 compress packing press ring 6 by bolt 21, nut 22, and lasting pressing force is transferred to graphite compiles
Filler 8 is knitted, then is transmitted downwards successively by axle sleeve, avoids successively decreasing for power so that the upper surface of graphite braided packing 8 and axle sleeve
9 can seal for a long time, to meet sealing needs when valve rod 11 does not stall dynamic.
The utility model easily realizes the top dress function of valve rod by increasing stationary bushing, and realizes the blowout prevention of valve rod
Function, it is simple in structure, it is easy for installation, can be more safe, reliable, environmentally friendly during use, full lining ceramics, resistance in runner
It is fabulous to grind performance, corrosion resistance.
The utility model top fills blowout prevention valve rod ceramic ball valve, in use, being installed on pipeline by flange, will perform
Mechanism is connected on valve rod, rotates sphere by executing agency's operating valve lever, so as to make this valve opening or closing.
Embodiment described above is only that the preferred embodiment of the utility model is described, not to this practicality
Novel range is defined, and under the premise of the spirit of the design of the utility model is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In the range of.
Claims (10)
1. a kind of top dress blowout prevention valve rod ceramic ball valve, the upper mounting plate (11) being fixedly connected including valve body (1), with valve body (1) are located at
Two valve seats (16) made of ceramic material in valve body (1), are connected to valve at the sphere (17) between two valve seats (16)
The flange (15) at body (1) both ends, across upper mounting plate (11) and valve body (1) and the valve rod (4) that is fixedly connected with sphere (17), institute
The inner cavity for stating flange (15) and the valve seat (16) forms runner, it is characterised in that：Further include stationary bushing (10), the fixation
In the embedded valve body (1) of bushing (10) and it is sleeved on valve rod (4) outside, the valve rod (4) is across upper mounting plate (11) and is pressed in fixed lining
It covers on (10), valve rod (4) pushes down valve rod (4) from valve body (1) upper end right angle setting, the stationary bushing (10).
2. dress blowout prevention valve rod ceramic ball valve in top according to claim 1, it is characterised in that：The stationary bushing (10) and valve
There is thrust washer (12) between bar (4), it is close using Graphite pad (13) progress between the stationary bushing (10) and valve body (1)
Envelope.
3. dress blowout prevention valve rod ceramic ball valve in top according to claim 2, it is characterised in that：The valve rod (4) and upper mounting plate
(11) and between valve body (1) it is sealed by stuffing-box (7), is used between the valve body (1), valve body liner (2) and flange (15)
Graphite pad (14) seals.
4. dress blowout prevention valve rod ceramic ball valve in top according to claim 3, it is characterised in that：The stuffing-box (7) is including more
The graphite braided packing (8) that a outer surface along the valve rod (4) is set gradually, between multiple graphite braided packings (8)
It is provided with metal axle sleeve (9).
5. dress blowout prevention valve rod ceramic ball valve in top according to claim 4, it is characterised in that：The graphite braided packing (8)
For soft graphite braided packing.
6. dress blowout prevention valve rod ceramic ball valve in top according to claim 5, it is characterised in that：The outer surface of the valve rod (4)
Packing press ring (6) and hold-down grid (5) are additionally provided with, the packing press ring (6) is crimped on stuffing-box (7), the filler pressure
Plate (5) is pressed on packing press ring (6).
7. dress blowout prevention valve rod ceramic ball valve in top according to claim 6, it is characterised in that：The upper mounting plate (11) and valve body
(1) it is fixedly connected by stud with nut.
8. dress blowout prevention valve rod ceramic ball valve in top according to claim 7, it is characterised in that：In two flanges (15)
Flange liner (18) is provided with, the flange liner (18) is crimped between flange (15) and valve seat (16).
9. dress blowout prevention valve rod ceramic ball valve in top according to claim 8, it is characterised in that：The rank of the flange liner (18)
Sealing ring is provided between the outer wall of terraced inner wall and the valve seat (16).
10. dress blowout prevention valve rod ceramic ball valve in top according to claim 9, it is characterised in that：The material of the axle sleeve (9) is
Brass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721623328.4U CN207486168U (en) | 2017-11-29 | 2017-11-29 | Top dress blowout prevention valve rod ceramic ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721623328.4U CN207486168U (en) | 2017-11-29 | 2017-11-29 | Top dress blowout prevention valve rod ceramic ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207486168U true CN207486168U (en) | 2018-06-12 |
Family
ID=62473044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721623328.4U Active CN207486168U (en) | 2017-11-29 | 2017-11-29 | Top dress blowout prevention valve rod ceramic ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207486168U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595361A (en) * | 2019-01-23 | 2019-04-09 | 艾思瑞流体控制有限公司 | A kind of novel three-way revolves ceramic valve partially |
| CN112797179A (en) * | 2021-01-19 | 2021-05-14 | 金星阀门有限公司 | Top-mounted ball valve for thermal power ultra-supercritical |
-
2017
- 2017-11-29 CN CN201721623328.4U patent/CN207486168U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595361A (en) * | 2019-01-23 | 2019-04-09 | 艾思瑞流体控制有限公司 | A kind of novel three-way revolves ceramic valve partially |
| CN112797179A (en) * | 2021-01-19 | 2021-05-14 | 金星阀门有限公司 | Top-mounted ball valve for thermal power ultra-supercritical |
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