CN206338461U - Fluoroplastic all-liner corrugated tube valve special for chlorine - Google Patents
Fluoroplastic all-liner corrugated tube valve special for chlorine Download PDFInfo
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- CN206338461U CN206338461U CN201620914126.4U CN201620914126U CN206338461U CN 206338461 U CN206338461 U CN 206338461U CN 201620914126 U CN201620914126 U CN 201620914126U CN 206338461 U CN206338461 U CN 206338461U
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Abstract
Fluoroplastic all-liner corrugated tube valve special for chlorine, is related to a kind of manufacturing technology field of Special valve.Including valve body, bonnet, valve rod, valve element, valve body is additionally provided with installation connector, flange during connector is set is installed, water channel stage casing between valve body import and export is provided with the seal face coordinated with valve element, and valve element is fixed on one end of valve rod, and valve element is arranged in valve body, the seal face of valve element and water channel is fitted close, connector is installed bonnet is connected by middle flange, one section of valve rod of connection valve element is arranged in valve body, and packing seal mechanism is set between the top of bonnet and institute's valve rod；Polytetrafluoroethylbellows bellows are set on the valve rod in valve body, and polytetrafluoroethylbellows bellows two ends are contradicted with bonnet inner face, spool end respectively, and sealing mechanism is set between polytetrafluoroethylbellows bellows upper end and bonnet.Using polytetrafluoroethylbellows bellows as first of sealing, effectively protection medium can not be leaked at valve rod, constitute zero leakage.
Description
Technical field
The utility model is related to a kind of manufacturing technology field of Special valve, more particularly to a kind of manufacture of valve special for chlorine
Technical field.
Background technology
At present, the domestic valve using on the high chlorine pipeline of water content, is traditional fluoroplastic all-liner stop valve, should
Class valve mechanism is outmoded, is common plane type, generally ordinary carbon steel lining, and the even cast iron lining having, its product is used
Performance can not meet the safety requirements of operating mode actual motion, often leakage, and housing is easily perforated so that chemical enterprise particularly chlor-alkali
Chemical enterprise, the system valve is frequently necessary to safeguard and changed, and extreme influence is brought to enterprise's production.
Utility model content
In order to overcome the defect of existing valve special for chlorine, it is special that the utility model provides a kind of fluoroplastic all-liner corrugated pipe chlorine
Use valve.
The utility model includes valve body, bonnet, valve rod, valve element, and the valve body includes import, outlet, and the valve body is also set
Have an installation connector, the import and export set respectively flange, the installation connector set in flange, the valve body enters,
Water channel stage casing between outlet is provided with the seal face coordinated with valve element, and the valve element is fixed on one end of the valve rod, institute
State valve element to be arranged in the valve body, the seal face of the valve element and the water channel is fitted close, the installation connector leads to
Cross middle flange and connect the bonnet, one section of valve rod for connecting the valve element is arranged in the valve body, the bonnet by bolt,
Nut is fixedly connected with the middle flange, and the valve rod passes through bonnet central through hole, the top of the bonnet and institute's valve rod it
Between packing seal mechanism is set；In the valve body madial wall, middle end face of flange, flange end face difference full lining fluoroplastic layer；
Polytetrafluoroethylbellows bellows are set on the valve rod in the valve body, the polytetrafluoroethylbellows bellows two ends respectively with bonnet
End face, spool end are contradicted, and sealing mechanism is set between the polytetrafluoroethylbellows bellows upper end and the bonnet.
The utility model is using polytetrafluoroethylbellows bellows as first of sealing, and effectively protection medium can not be at valve rod
Leakage, constitutes zero leakage.
The utility model sets one section of pipe to connect between the bonnet and the valve body, one end that the pipe connects with it is described in
End face of flange is fitted close, and the other end that the pipe connects is fitted close with the bonnet end face, and the pipe connects madial wall and two ends
Connected between the middle flange of end face full lining fluoroplastics, the bonnet and the valve body by stay bolt, nut, stay bolt passes through institute
State pipe and connect outside；Pipe is connected to the effect of fixed bellows, effectively prevents that polytetrafluoroethylbellows bellows from deforming and damaging, causes to let out
Leakage, so that service life is longer.
Further, the middle end face of flange sets one to enclose concave surface, and the pipe, which connects, to be fitted snugly in the concave surface, is passed through
It is more preferable that concave surface connects more stable, sealing effectiveness.
Packing seal mechanism described in the utility model is combined for the seal of V-type multistage dense, and the V-type multistage dense seal combination is set
Put in the stuffing-box between bonnet and the valve rod, gland is threadedly coupled at stuffing-box opening, gland is compressed
Sealing ring is combined the V-type in one's power, and the gland is set on the valve rod；Packing seal herein is as on bellows
The insurance sealing in portion, is to prevent that medium from leaking outside, in the case that bellows is not bad, at the stuffing-box in a dormant state, once hair
Now leaked outside at valve rod, just tighten up the nut on gland, reach the effect of insurance.
Valve element described in the utility model includes flap, and the flap is coated with ptfe composite layer, the valve
Valve coordinates with the valve body water channel seal face, one end of the polytetrafluoroethylbellows bellows and the polytetrafluoroethylene (PTFE) of the flap
Composite layer is welded as a whole；It is wholely set the life requirements that can ensure that valve is persistently used for a long time.
Using cone, plane sealing structure between the seal face of flap described in the utility model and the valve body water channel.
The upper end connection valve rod lowering or hoisting gear of valve rod described in the utility model, the valve rod lowering or hoisting gear includes upper support
Plate, lower supporting plate, pillar, locating piece, screw rod, handwheel, the centrally disposed through hole of lower supporting plate, the lower supporting plate passes through logical
Borehole jack is put in the bonnet upper end and is held in bonnet top bar, and in the bonnet upper end, lateral wall is threaded, valve
Cover end and be connected through a screw thread nut, nut compresses the lower supporting plate；Central through hole is set in the middle part of the upper backup pad, it is described
Swivel nut is fixedly connected in central through hole, the screw flight is connected in the swivel nut, two are passed through between the upper and lower supporting plate
Pillar support connection, sets locating piece, the locating piece is made up of two halves location-plate between two pillars described in root, and two
Half location-plate is fixed into the middle part of locating piece, each location-plate sideways through bolt, nut and is respectively equipped with arc groove, two halves
Arc groove synthesizes a bulb accommodating chamber, and two ends of each location-plate set arcwall face, the location-plate of the same side two respectively
The arcwall face of end pieces together one big cambered surface, and the locating piece two ends are coincide by big cambered surface and pillar described in both sides, formed
Positioning, guiding；The upper end of the valve rod sets the lower end of bulb, the screw rod to set bulb, the upper end of the valve rod, screw rod
Lower end be connected to respectively by the way that bulb is spacing in the bulb accommodating chamber；The free end of the screw rod is fixedly connected the hand
Wheel.
It is oriented to by locating piece and stanchions, valve rod, screw rod are connected in locating piece by bulb respectively, rotation hand wheel
Afterwards, upper and lower motion is done in screw rod rotation, and screw rod so ensures that bottom valve rod only rises by the locating piece band upper and lower motion of ovable valve stem
Drop motion, does not rotate, if rotated, can turn round bad bellows, while this horizontal locating piece is opened as valve again
Degree indicate, be exactly valve open how much.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model.
Embodiment
As shown in figure 1, this fluoroplastic all-liner corrugated tube valve special for chlorine, including valve body 1, bonnet 2, valve rod 3, valve element 4, valve
Body 1 includes import 5, outlet 6, and valve body 1 is additionally provided with installation connector 7, and import and export 5,6 sets flange 8 respectively, the company of installation
Water channel stage casing between flange 9 in the setting of interface 7, the import and export of valve body 1 is provided with the seal face 10 coordinated with valve element 4, valve element
4 are fixed on one end of valve rod 3, and valve element 4 is arranged in valve body 1, and the seal face 10 of valve element 4 and water channel is fitted close, the company of installation
Interface 7 connects bonnet by middle flange 9, and one section of valve rod 3 of connection valve element 4 is arranged in valve body 1, and bonnet 2 passes through bolt, nut
It is fixedly connected with middle flange 9, valve rod 3 passes through the central through hole of bonnet 2, and packing seal is set between the top of bonnet 2 and valve rod 3
Mechanism 11；In the madial wall of valve body 1, the end face of middle flange 9, the end face of flange 8 difference full lining fluoroplastic layer 12；In valve body 1
On valve rod 3 set polytetrafluoroethylbellows bellows 13, the two ends of polytetrafluoroethylbellows bellows 13 respectively with bonnet inner face, spool end
Contradict, sealing mechanism 14 is set between the upper end of polytetrafluoroethylbellows bellows 13 and bonnet 2.
The upper end connection valve rod lowering or hoisting gear 15 of valve rod 3, valve rod lowering or hoisting gear 15 includes upper backup pad 16, lower supporting plate
17th, pillar 18, locating piece 19, screw rod 20, handwheel 21, the centrally disposed through hole of lower supporting plate 17, lower supporting plate 17 pass through through hole set
Put in the upper end of bonnet 2 and be held in the top bar of bonnet 2, be threaded in the upper end lateral wall of bonnet 2, the upper end of bonnet 2 leads to
Threaded coupling nut 22 is crossed, nut 22 compresses lower supporting plate 17；The middle part of upper backup pad 16 sets solid in central through hole, central through hole
Surely swivel nut 23 is connected, screw rod 20 is threaded in swivel nut 23, supported between upper and lower supporting plate 16,17 by two pillars 18
Connection, sets locating piece 19, locating piece 19 is made up of two halves location-plate 24 between two pillars 18, and two halves location-plate 24 is from side
Face is fixed into locating piece 19 by bolt, nut, and each middle part of location-plate 24 is respectively equipped with arc groove, the synthesis of two halves arc groove
One bulb accommodating chamber, two ends of each location-plate 19 set arcwall face 25 respectively, the end of location-plate 19 of the same side two
Arcwall face pieces together one big cambered surface 26, and the two ends of locating piece 19 are coincide by big cambered surface and two lateral braces 18, formed positioning, are led
To；The upper end of valve rod 3 sets the lower end of bulb, screw rod to set bulb, and the upper end of valve rod, the lower end of screw rod pass through bulb respectively
It is spacing to be connected in bulb accommodating chamber；The free end of screw rod 20 is fixedly connected handwheel 21.
Further set one section of pipe to connect 27 between bonnet 2 and valve body 1, pipe connect 27 one end and the middle end face of flange 9 it is tight
Close fit, pipe connects 27 other end and the end face of bonnet 2 is fitted close, and pipe connects 27 madial walls and two ends end face full lining fluoroplastic layer,
Connected between bonnet 2 and the middle flange 9 of valve body 1 by stay bolt 28, nut 29, stay bolt 28 connects 27 outsides by pipe；Middle method
Blue 9 end faces set one to enclose concave surface 30, and pipe connects 27 and fitted snugly in concave surface 30；Pipe, which connects 27, fixed bellows, effectively
Prevent that polytetrafluoroethylbellows bellows from deforming and damaging, leakage is caused, so that service life is longer.
Packing seal mechanism 11 be the seal of V-type multistage dense combination 31, the seal of V-type multistage dense combination 31 be arranged on bonnet 2 with
In stuffing-box 32 between valve rod 3, gland 33 is threadedly coupled at the opening of stuffing-box 32, it is many that gland 33 compresses V-type
Level sealing ring combination 31, gland 33 is set on valve rod 3；Packing seal herein is close as the insurance on bellows top
Envelope.
Valve element 4 includes flap 34, and flap 34 is coated with ptfe composite layer, and flap 34 and the water channel of valve body 1 are close
End-blocking face coordinates, and one end of polytetrafluoroethylbellows bellows 13 is welded as a whole with the ptfe composite layer of flap 34；
Using cone, plane sealing structure between the seal face of flap 34 and the water channel of valve body 1.
Claims (7)
1. fluoroplastic all-liner corrugated tube valve special for chlorine, including valve body, bonnet, valve rod, valve element, the valve body include import, gone out
Mouthful, the valve body is additionally provided with installation connector, and the import and export sets flange respectively, in the installation connector setting
Water channel stage casing between flange, the valve body import and export is provided with the seal face coordinated with valve element, and the valve element is fixed on institute
One end of valve rod is stated, the valve element is arranged in the valve body, the seal face of the valve element and the water channel is fitted close, institute
State installation connector and the bonnet is connected by middle flange, one section of valve rod for connecting the valve element is arranged in the valve body, institute
Bonnet is stated to be fixedly connected with the middle flange by bolt, nut, the valve rod pass through bonnet central through hole, the bonnet with
Packing seal mechanism is set between the top of institute's valve rod；It is characterized in that in the valve body madial wall, middle end face of flange, interface method
Blue end face distinguishes full lining fluoroplastic layer；Polytetrafluoroethylbellows bellows, the polytetrafluoroethyl-ne are set on the valve rod in the valve body
Alkene bellows two ends respectively with bonnet inner face, spool end contradict, the polytetrafluoroethylbellows bellows upper end with it is described
Sealing mechanism is set between bonnet.
2. fluoroplastic all-liner corrugated tube valve special for chlorine according to claim 1, it is characterised in that in the bonnet and institute
One section of pipe of setting is connect between stating valve body, and one end that the pipe connects is fitted close with the middle end face of flange, and it is another that the pipe connects
End is fitted close with the bonnet end face, and the pipe connects madial wall and two ends end face full lining fluoroplastics, the bonnet and the valve
Connected between the middle flange of body by stay bolt, nut, stay bolt connects outside by the pipe.
3. fluoroplastic all-liner corrugated tube valve special for chlorine according to claim 2, it is characterised in that the middle end face of flange
One is set to enclose concave surface, the pipe, which connects, to be fitted snugly in the concave surface.
4. fluoroplastic all-liner corrugated tube valve special for chlorine according to claim 1, it is characterised in that the packing seal machine
Structure combines for the seal of V-type multistage dense, and the V-type multistage dense seal combination is arranged on the stuffing-box between bonnet and the valve rod
It is interior, gland is threadedly coupled at stuffing-box opening, gland compresses the V-type, and sealing ring is combined in one's power, the filler
Gland is set on the valve rod.
5. fluoroplastic all-liner corrugated tube valve special for chlorine according to claim 1, it is characterised in that the valve element includes valve
Valve, the flap is coated with ptfe composite layer, and the flap coordinates with the valve body water channel seal face, described
One end of polytetrafluoroethylbellows bellows and the ptfe composite layer of the flap are welded as a whole.
6. fluoroplastic all-liner corrugated tube valve special for chlorine according to claim 5, it is characterised in that the flap with it is described
Using cone, plane sealing structure between the seal face of valve body water channel.
7. fluoroplastic all-liner corrugated tube valve special for chlorine according to claim 1, it is characterised in that the upper end of the valve rod
Valve rod lowering or hoisting gear is connected, the valve rod lowering or hoisting gear includes upper backup pad, lower supporting plate, pillar, locating piece, screw rod, handwheel,
The centrally disposed through hole of lower supporting plate, the lower supporting plate is nested with the bonnet upper end by through hole and is held on bonnet
In top bar, in the bonnet upper end, lateral wall is threaded, and bonnet upper end is connected through a screw thread nut, and nut compresses described
Lower supporting plate；Set in the middle part of the upper backup pad in central through hole, the central through hole and be fixedly connected swivel nut, the screw flight
Be connected in the swivel nut, connected between the upper and lower supporting plate by two pillars supports, two pillars it
Between locating piece is set, the locating piece is made up of two halves location-plate, and location-plate described in two halves is fixed sideways through bolt, nut
Into locating piece, arc groove is respectively equipped with the middle part of each location-plate, two halves arc groove synthesizes a bulb accommodating chamber, each location-plate
Two ends arcwall face is set respectively, the arcwall face of the two location-plate ends in the same side pieces together one big cambered surface, described fixed
Position block two ends are coincide by big cambered surface and pillar described in both sides, formed positioning, be oriented to；The upper end of the valve rod sets bulb, institute
The lower end for stating screw rod sets bulb, and the upper end of the valve rod, the lower end of screw rod are connected to the bulb by the way that bulb is spacing respectively
In accommodating chamber；The free end of the screw rod is fixedly connected the handwheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620914126.4U CN206338461U (en) | 2016-08-22 | 2016-08-22 | Fluoroplastic all-liner corrugated tube valve special for chlorine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620914126.4U CN206338461U (en) | 2016-08-22 | 2016-08-22 | Fluoroplastic all-liner corrugated tube valve special for chlorine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206338461U true CN206338461U (en) | 2017-07-18 |
Family
ID=59299262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620914126.4U Active CN206338461U (en) | 2016-08-22 | 2016-08-22 | Fluoroplastic all-liner corrugated tube valve special for chlorine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206338461U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090380A (en) * | 2016-08-22 | 2016-11-09 | 江苏金晟元特种阀门股份有限公司 | Fluoroplastic all-liner corrugated tube valve special for chlorine |
| CN109442055A (en) * | 2018-12-28 | 2019-03-08 | 南京埃佳氟流体控制有限公司 | Fluoroplastics lining sampling valve |
| CN109538775A (en) * | 2019-01-11 | 2019-03-29 | 江苏金晟元特种阀门股份有限公司 | Resistance to strong rotten particle-resistant fluoroplastic all-liner shut-off valve |
-
2016
- 2016-08-22 CN CN201620914126.4U patent/CN206338461U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090380A (en) * | 2016-08-22 | 2016-11-09 | 江苏金晟元特种阀门股份有限公司 | Fluoroplastic all-liner corrugated tube valve special for chlorine |
| CN109442055A (en) * | 2018-12-28 | 2019-03-08 | 南京埃佳氟流体控制有限公司 | Fluoroplastics lining sampling valve |
| CN109442055B (en) * | 2018-12-28 | 2024-05-10 | 南京埃佳氟流体控制有限公司 | Fluoroplastic lining sampling valve |
| CN109538775A (en) * | 2019-01-11 | 2019-03-29 | 江苏金晟元特种阀门股份有限公司 | Resistance to strong rotten particle-resistant fluoroplastic all-liner shut-off valve |
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