CN206017996U - A kind of valve of totally-enclosed mechanical valve rod seal - Google Patents
A kind of valve of totally-enclosed mechanical valve rod seal Download PDFInfo
- Publication number
- CN206017996U CN206017996U CN201620945651.2U CN201620945651U CN206017996U CN 206017996 U CN206017996 U CN 206017996U CN 201620945651 U CN201620945651 U CN 201620945651U CN 206017996 U CN206017996 U CN 206017996U
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- CN
- China
- Prior art keywords
- ring
- valve rod
- valve
- totally
- shading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004033 plastic Substances 0.000 claims abstract description 17
- 229920003023 plastic Polymers 0.000 claims abstract description 17
- 210000004907 gland Anatomy 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000843 powder Substances 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 4
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model discloses a kind of valve of totally-enclosed mechanical valve rod seal, including semicircular ring, lower support ring, shell body, gland, shading ring, O-ring, upper support ring, pressure pad, valve rod, thrust bearing, valve body, handwheel, bonnet, and plastic buffer layer.The shading ring used cooperatively with O-ring is mainly changed to single end face slip ring by this utility model, between O-ring and valve rod, plastics wall thickness is 0.2mm 0.4mm, using polytetrafluoroethylmaterial material, valve rod held in the presence of pressure medium tightly by the shading ring, after there is abrasion, the decrement of O-ring is recovered to give shading ring compensation, simultaneously work as the effect of back-up ring, thrust bearing is changed and is placed on above, the powder fifth wheel that sealing part abrasion can be avoided to produce affects bearing life, as thrust bearing assume responsibility for the pressure of medium, the sealing of valve rod is made to be improved, the moment of torsion for being born valve rod again is greatly lowered, two halves annulus is stuck on valve rod and easily can load all parts together or take out valve body.
Description
Technical field
This utility model is related to a kind of valve, specifically a kind of valve of totally-enclosed mechanical valve rod seal, belongs to machinery
Equipment application technical field.
Background technology
Rapid with industries such as metallurgy, clean energy resource, petrochemical industry, chemical industry, chemical fibre industry, medical industries is sent out
Exhibition, ball valve are widely used.Have that latus rectum is big, fluid resistance is little due to ball valve, medium channel flat smooth, switch fast
The features such as speed facilitates, especially operator can judge the on off state of ball valve by handle position, so filling in natural gas
Equipment outlet is using tee ball valve controlled output and recovery.
Due to using frequently, after generally using some months, during switching manipulation handle, feel becomes ball valve installed in filler
It is very heavy to obtain, and can find to start micro- leakage occur at the ball-valve valve rod of part, if be found to have not in time to make when checking airtight
Into security incident, and as valve rod is chronically exposed in external environment, valve rod is easily corroded.Therefore, carry for the problems referred to above
Go out a kind of valve of totally-enclosed mechanical valve rod seal.
Utility model content
The purpose of this utility model is that to solve the above problems and provides a kind of totally-enclosed mechanical valve rod seal
Valve.
This utility model is achieved through the following technical solutions above-mentioned purpose, a kind of valve of totally-enclosed mechanical valve rod seal
Door, including valve body, handwheel, valve rod, the valve inner is provided with valve rod, and stem surface is wrapped up by bonnet, the valve rod with
Handwheel is provided between the bonnet, the valve rod bottom is provided with semicircular ring, and semicircular ring top is provided with lower support ring, described under
Support ring top is provided with the shading ring being made up of polytetrafluoroethylmaterial material, is provided with O between the shading ring and the lower support ring
Type circle, and O-ring periphery is provided with plastic buffer layer, is provided with support ring, and upper support ring periphery is provided with pressure at the top of the O-ring
Pad, the pressure pad top are provided with thrust bearing, and the valve rod periphery is provided with shell body, and shell body side is provided with gland.
Preferably, the number of the semicircular ring is two, and two semicircular ring constitute an annulus.
Preferably, the wall thickness of the plastic buffer layer between the O-ring and the valve rod is 0.2mm-0.4mm.
Preferably, the shading ring is embedded in inside the plastic buffer layer, and shading ring is a kind of single end face slip ring.
Preferably, the bonnet, is a kind of bonnet, of closing, and bonnet, by the valve stem seal inside which.
The beneficial effects of the utility model are：The shading ring used cooperatively with O-ring is mainly changed to by this utility model
Single end face slip ring, between O-ring and valve rod, plastics wall thickness is 0.2mm-0.4mm, and using polytetrafluoroethylmaterial material, the shading ring is being situated between
Hold valve rod in the presence of matter pressure tightly, the decrement of O-ring is recovered to give shading ring compensation after there is abrasion, simultaneously works as back-up ring
Effect, thrust bearing is changed and is placed on above, can avoid sealing part abrasion produce powder fifth wheel affect bearing life, valve
Bar is supported by the support ring of upper and lower two PEEK plastic productions, makes valve rod in the minimum state of frictional force, with gland, isolate
, without friction, due to fluoroplastics coefficient of friction very little, and the sealing surfaces roughness of valve rod can accomplish Ra0.2 for ring, pressure pad,
Frictional force between valve rod and plastic hoop obtains the sealing of valve rod with regard to very little as thrust bearing assume responsibility for the pressure of medium
To improve, the moment of torsion for being born valve rod again is greatly lowered, and corresponding feel is all right, two halves annulus be stuck on valve rod can easily by
All parts load or take out valve body together, and due to bonnet, by the valve stem seal inside which, valve rod can be prevented naked
Being exposed in external environment causes which to be corroded.
Description of the drawings
Fig. 1 is intended to for this utility model I partial enlargements graph structure；
Fig. 2 is this utility model overall structure diagram.
In figure：1st, semicircular ring, 2, lower support ring, 3, shell body, 4, gland, 5, shading ring, 6, O-ring, 7, upper support ring,
8th, pressure pad, 9, valve rod, 10, thrust bearing, 11, valve body, 12, handwheel, 13, bonnet, 14, plastic buffer layer.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Embodiment in based on this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Refer to shown in Fig. 1-2, a kind of valve of totally-enclosed mechanical valve rod seal, including valve body 11, handwheel 12, valve rod
9, be provided with valve rod 9 inside the valve body 11, and 9 surface of valve rod wrapped up by bonnet, 13, the valve rod 9 and the bonnet, 13 it
Between be provided with handwheel 12,9 bottom of the valve rod is provided with semicircular ring 1, and 1 top of semicircular ring is provided with lower support ring 2, the lower support ring
2 tops are provided with the shading ring 5 being made up of polytetrafluoroethylmaterial material, are provided with O-shaped between the shading ring 5 and the lower support ring 2
Circle 6, and 6 periphery of O-ring is provided with plastic buffer layer 14, is provided with support ring 7, and 7 periphery of upper support ring at the top of the O-ring 6
Pressure pad 8 is provided with, 8 top of the pressure pad is provided with thrust bearing 10, and 9 periphery of the valve rod is provided with shell body 3, and 3 side of shell body
It is provided with gland 4.
Used as a kind of technical optimization scheme of the present utility model, the number of the semicircular ring 1 is two, and two semicircular ring
All parts easily can be loaded or take out valve body by 1 one annulus of composition together.
Used as a kind of technical optimization scheme of the present utility model, the plastics between the O-ring 6 and the valve rod 9 delay
The wall thickness for rushing layer 14 is 0.2mm-0.4mm so that structure connection is more accurate, compact.
Used as a kind of technical optimization scheme of the present utility model, the shading ring 5 is embedded in the plastic buffer layer 14
Portion, and shading ring 5 is a kind of single end face slip ring, improves the seal of valve body.
Used as a kind of technical optimization scheme of the present utility model, the bonnet, 13 is a kind of bonnet, 13 of closing, and
Bonnet, 13 is sealed in the valve rod 9 inside which, prevents the valve rod 9 by corrosion.
The shading ring 5 used cooperatively with O-ring 6 is changed to single end face slip ring, 6 He of O-ring when using by this utility model
Between valve rod 9,14 wall thickness of buffering plastic layer is 0.2mm-0.4mm, can take 3mm here, is made using polytetrafluoroethylmaterial material, should
Shading ring 5 can hold valve rod 9 in the presence of pressure medium tightly, and after there is abrasion, the decrement of O-ring 6 is recovered to give shading ring
5 compensation, simultaneously work as the effect of back-up ring, thrust bearing 10 are placed on above, the propping up by upper and lower two PEEK plastic productions of valve rod 9
Pushing out ring is supported, and makes valve rod 9 in the minimum state of frictional force, and gland 4 is threaded connection with valve body 11 and is locked, two semicircles
Ring 1 is stuck on valve rod 9 and easily can load all parts together or take out valve body 11.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type is by claims rather than described above is limited, it is intended that by fall claim containing with important document
All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as restriction
Involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Contain an independent technical scheme, this narrating mode of description is only that those skilled in the art should for clarity
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (5)
1. a kind of valve of totally-enclosed mechanical valve rod seal, including valve body（11）, handwheel（12）And valve rod（9）, its feature exists
In：The valve body（11）Inside is provided with valve rod（9）, and valve rod（9）Surface is by bonnet,（13）Parcel, the valve rod（9）With institute
State bonnet,（13）Between be provided with handwheel（12）, the valve rod（9）Bottom is provided with semicircular ring（1）, and semicircular ring（1）Top is provided with
Lower support ring（2）, the lower support ring（2）Top is provided with the shading ring being made up of polytetrafluoroethylmaterial material（5）, the shading ring
（5）With the lower support ring（2）Between be provided with O-ring（6）, and O-ring（6）Periphery is provided with plastic buffer layer（14）, described O-shaped
Circle（6）Top is provided with support ring（7）, and upper support ring（7）Periphery is provided with pressure pad（8）, the pressure pad（8）Top is provided with thrust
Bearing（10）, the valve rod（9）Periphery is provided with shell body（3）, and shell body（3）Side is provided with gland（4）.
2. the valve of a kind of totally-enclosed mechanical valve rod seal according to claim 1, it is characterised in that：The semicircular ring
（1）Number be two, and two semicircular ring（1）One annulus of composition.
3. the valve of a kind of totally-enclosed mechanical valve rod seal according to claim 1, it is characterised in that：The O-ring
（6）With the valve rod（9）Between the plastic buffer layer（14）Wall thickness be 0.2mm-0.4mm.
4. the valve of a kind of totally-enclosed mechanical valve rod seal according to claim 1, it is characterised in that：The shading ring
（5）It is embedded in the plastic buffer layer（14）Inside, and shading ring（5）For a kind of single end face slip ring.
5. the valve of a kind of totally-enclosed mechanical valve rod seal according to claim 1, it is characterised in that：The bonnet,
（13）It is a kind of bonnet, of closing（13）, and bonnet,（13）By the valve rod（9）It is sealed in inside which.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620945651.2U CN206017996U (en) | 2016-08-26 | 2016-08-26 | A kind of valve of totally-enclosed mechanical valve rod seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620945651.2U CN206017996U (en) | 2016-08-26 | 2016-08-26 | A kind of valve of totally-enclosed mechanical valve rod seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206017996U true CN206017996U (en) | 2017-03-15 |
Family
ID=58250946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620945651.2U Active CN206017996U (en) | 2016-08-26 | 2016-08-26 | A kind of valve of totally-enclosed mechanical valve rod seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206017996U (en) |
-
2016
- 2016-08-26 CN CN201620945651.2U patent/CN206017996U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Maike Special Valve Technology Co.,Ltd. Assignor: JIANGSU SUYAN VALVE MACHINERY Co.,Ltd. Contract record no.: X2023980053070 Denomination of utility model: A valve with a fully enclosed mechanical stem seal Granted publication date: 20170315 License type: Exclusive License Record date: 20231222 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Jiangsu Maike Special Valve Technology Co.,Ltd. Assignor: JIANGSU SUYAN VALVE MACHINERY Co.,Ltd. Contract record no.: X2023980053070 Date of cancellation: 20240619 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Maike Special Valve Technology Co.,Ltd. Assignor: JIANGSU SUYAN VALVE MACHINERY Co.,Ltd. Contract record no.: X2024980007854 Denomination of utility model: A valve with a fully enclosed mechanical stem seal Granted publication date: 20170315 License type: Exclusive License Record date: 20240624 |
|
| EE01 | Entry into force of recordation of patent licensing contract |