CN205479678U - Movable fit leakage control ware - Google Patents
Movable fit leakage control ware Download PDFInfo
- Publication number
- CN205479678U CN205479678U CN201620034686.0U CN201620034686U CN205479678U CN 205479678 U CN205479678 U CN 205479678U CN 201620034686 U CN201620034686 U CN 201620034686U CN 205479678 U CN205479678 U CN 205479678U
- Authority
- CN
- China
- Prior art keywords
- valve
- end cover
- valve shaft
- cover flange
- sealing
- 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.)
- Withdrawn - After Issue
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- Details Of Valves (AREA)
- Sealing Devices (AREA)
Abstract
The utility model discloses a movable fit leakage control ware, this controller include main part and fixture part, the main part include the power rachis and set up the upper and lower end cover flange at power rachis both ends and its insert bearing, upper and lower end cover flange constitute sealed chamber with installation casing among them, sealed intracavity be provided with by the sound of moving, static seal ring constitutes sealed vicely, the fixture part include that its center part is provided with the fixture body that sets up a pair of semicircle annular seal slips in valve shaft mounting hole and the valve shaft mounting hole, mutual symmetry has been opened respectively and sensible in the both sides of valve shaft mounting hole the horizontal bolt hole of semicircle annular seal slips external diameter, two horizontal bolt hole in be provided with adjusting bolt. Its advantage is: change the sealed mode of traditional valve, need not to pack and sealing device, just can guarantee the dynamic seal effect of valve to overcome all sorts of drawbacks of the sealed mode of prior art.
Description
Technical field
This utility model relates to a kind of leakage controller, more specifically, this utility model relate to a kind of for
Valve and dynamic cooperation leakage controller that conventional valves seal pattern can be changed.
Background technology
At present, the rotation of the valve body of industrial valve and the twitch of its built-in spool valve rod to be passed through or valve shaft is real
Opening or closing of existing valve.For existing conventional valves, the dynamic sealing coordinated between its axis hole
It is typically to rely on the external force of various filler and gland to make it deform and is filled into axis hole to move adapted space and give
Realize.The maximum drawback that the method exists is the increase in the resistance of motion of dynamic cooperation, so that:
(1) if filler does not has compacted, interior media will be leaked by gland；
(2) if filler is pressed to obtain tension, although eliminate leakage, the motion of dynamic cooperation can be increased again simultaneously
Resistance, the moment of resistance that corresponding valve opens or closes also can be greatly promoted therewith；
(3) the highest due to system pressure, need filler to be pressed the tightest, dynamic routing motion resistance is the biggest,
Correspondingly it is accomplished by matching bigger decelerator and engine, causes the situation that power consumption is high.
Visible, existing conventional valves, it is power-actuated that the sealing characteristics of its airtight and watertight padding result in its apolegamy
Power and the waste of the energy.It addition, the sealing effectiveness of conventional valves is suppressing laboratory table after to be filler compacted
Upper debugging completes, and movable sealing packing leaking the most inevitably occurs, very after dispatching from the factory
Naturally needing Field Force to give the adjustment of filler, install additional or change, this factor changes valve the most just
" testing stand suppresses intrinsic mated condition during experiment ", and therefore change the quality of fit of axle and hole, thus
Change its spool and the best fit state of valve body before dispatching from the factory, necessarily lead to internal hemorrhage due to trauma problem in various degree.Base
In the many disadvantages of above conventional valves, those skilled in the art all know, this type of valve is used for critical workflow
On reliability the lowest.
At present, domestic & overseas hydraulic technologies has been widely developed, and height has pressed the solution of cooperation
It is not limited to the technical scheme that packing seal compresses, but, in valve manufacture industry, a lot of enterprises are in research
Better seal filler, does not the most pay attention to sealing structure and sealing the optimization coordinated, so that moving in valve
It is backward in technique that secondary and sealing coordinates, thus causes poor efficiency and the waste of this series products.So far, factory
The leakage-free valve of the low moment of torsion of precision that enterprise is badly in need of still belongs to the vacancy of this area.
Utility model content
The purpose of this utility model solves above-mentioned problem of the prior art exactly, and provide for this one can gram
Take the dynamic cooperation leakage controller of prior art defect.
The technical solution of the utility model is as follows:
A kind of dynamic cooperation leakage controller, including main part and fixture parts；Described main part subpackage
Including the power end axle having square hole bottom it, the upper and lower end of described power end axle is respectively provided with upper and lower end cap
Flange, insert input bearing on described upper end cover flange, insert outfan axle on described bottom end cover flange
Hold, between described upper and lower end cap flange install housing, described housing by the first coupling bolt and its
The upper and lower end cap flange at two ends is fixing to be connected and forms an annular seal space, is provided with dynamic in described annular seal space
Static seal is secondary, and described static and dynamic sealing pair by the rotary packing ring being fixed on described power end axle and is embedded in institute
State the stationary seal ring on bottom end cover flange to constitute, between described rotary packing ring and stationary seal ring, be provided with bullet
Spring；Described fixture parts include that the center portion thereof position is provided with the jig body of valve shaft installing hole, described
It is provided with a pair semi-annular shape in valve shaft installing hole and seals slips, be positioned at the both sides of described valve shaft installing hole
Have symmetrical and sensible described semi-annular shape and seal the cross bolts hole of slips external diameter, described in two
Cross bolts hole in be provided with adjustment bolt.
It is provided with encapsulant at the sealing surface that described static and dynamic sealing is secondary.
It is provided with sealing ring on contact surface between described housing and described upper and lower end cap flange.
Compared with prior art, it provides the benefit that this utility model:
(1) seal pattern of conventional valves is changed, it is not necessary to filler and sealing device, so that it may ensure valve
Dynamic sealing effect, thus overcome prior art use all drawbacks of gland sealed.
(2) can effectively prevent from leaking and eliminating moment of resistance when valve opens or closes and can promote therewith
Phenomenon, and therefore eliminate factor and the powerful power disposition that dynamic routing motion resistance increases, thus change
The seal pattern of kind prior art causes the situation that power consumption is high.
(3) owing to eliminating the setting of packing seal and sealing device at valve in arranging, solve thoroughly
The internal hemorrhage due to trauma problem of valve, thus improve valve reliability in critical workflow.
(4) valve in important process flow process under duty can be carried out not parking checking maintenance, and be this
Create security context, thus improve cycle and the utilization rate that important valve uses online.
(5) facilitate the eliminating of online failsafe valve, shorten the replacing construction of seal assembly, thus save life
Produce cost, improve the lifting serviceability rate of equipment.
(6) extend the use space of valve, and be high pressure, high temperature, harmful influence production and accumulating simultaneously
The dynamic seal (packing) of industry pipeline executor provides new solution, has good practicality.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the valve shaft input docked with this utility model medium power end axle lower end.
Labelling in figure: 1, power end axle 2, input bearing；3, the first coupling bolt；4,
Two coupling bolts；5, upper end cover flange；6, central enclosure；7, the 3rd coupling bolt；8, lower end
Lid flange；9, jig body；10, bolt is adjusted；11, longitudinal bolt hole；12, valve shaft peace
Dress hole；13, half cycle seals slips；14, cross bolts hole；16, outfan bearing；17, machine
Tool stationary seal ring；18, mechanical sealing linkage ring；19, sealing ring；20, valve shaft input square toes；
21, valve shaft body.
Detailed description of the invention
It is understood to make the technical solution of the utility model be easier to, below in conjunction with the accompanying drawings and embodiment
It is described in detail.
Seeing Fig. 1, dynamic cooperation leakage controller of the present utility model includes main part and fixture parts, institute
After the main part stated and fixture parts are connected with each other and can be separated from each other when needed, and both are separated from each other
Do not affect respective standalone feature.
Described main part includes power end axle 1, and the bottom of described power end axle 1 has square hole, described
The upper and lower end of power end axle 1 is respectively mounted upper end cover flange 5 and bottom end cover flange 8, described upper end cover
On flange 5 and bottom end cover flange 8, insert is used for positioning described power end axle 1 and righting respectively
Input bearing 2 and outfan bearing 16, between described upper end cover flange 5 and bottom end cover flange 8
Housing 6 is installed, described housing 6 by the upper end cover flange 5 at the first coupling bolt 3 and its two ends and
The fixing annular seal space connected and form a filled media of bottom end cover flange 8, is provided with in described annular seal space
Prolong axial leakage for blocking medium and eliminate the static and dynamic sealing pair of axial leakage passage, described static and dynamic sealing
Pair is by the rotary packing ring 18 fixed with described power end axle 1 and is embedded on described bottom end cover flange 8
Stationary seal ring 17 is constituted, and is provided with spring, makes two between described rotary packing ring 18 and stationary seal ring 17
Constitute the end face of elastic compression between person to trackslip sealing pair, thus prevent the high-pressure side when power end axle 1 rotates
Dielectric leakage is to the dielectric space of described annular seal space, and keeps the steady pressure of lubricating oil in annular seal space, with full
The power end of the foot harmful influence angular travel valve such as high pressure, high temperature seals demand；
Described fixture parts include the jig body 9 with upper and lower end face, in described jig body 9
Heart position has the valve shaft installing hole 12 matched with valve shaft, peace in described valve shaft installing hole 12
Fill a pair and can prolong the semi-annular shape sealing slips 13 diametrically moved, be positioned at described valve shaft installing hole 12
Both sides have symmetrical and sensible described semi-annular shape seal slips 13 external diameter cross bolts hole
14, two semi-annular shapes seal the shift position of slips 13 respectively by penetrating described cross bolts hole 14
Adjust bolt 10 to be adjusted with fixing.
Dynamic cooperation leakage controller of the present utility model, docks valve with the upper end of its main part power end axle 1
The output shaft of door dynamic power machine, and the input of valve shaft is docked with the lower end of its main part power end axle 1.
Described power end axle 1 docks with valve dynamic power machine output shaft, by the second coupling bolt 4 by described
Upper end cover flange 5 realized with fixing connection of described dynamic power machine flange；Described power end axle 1 and valve
The docking of axle input, by the 3rd coupling bolt 7 by bottom end cover flange 8, have longitudinal bolt hole 11
Fixture parts and the fixing connection of valve shaft input flange and realize.
In arrangement above, at the sealing surface that described static and dynamic sealing is secondary, it is provided with encapsulant；Described housing
Contact surface between 6 and described upper end cover flange 5 and bottom end cover flange 8 is provided with sealing ring 19；Institute
Trackslipped by the end face arranging composition elastic compression of spring between rotary packing ring 18 and the stationary seal ring 17 stated
Sealing pair.
Seeing Fig. 2, the structure of described valve shaft input includes valve shaft body 21 and is arranged on described
The valve shaft input square toes 20 of valve shaft body 21 end.Main body when described dynamic cooperation leakage controller
When part docks the input of valve shaft with the lower end of its power end axle 1, described valve shaft input square toes
In 20 square holes being bumped into described power end axle 1 lower end, the end of described valve shaft body 21 is then inlayed described in people
The valve shaft installing hole 12 in jig body 9 centre.In use, under described fixture parts
End face forms the static seal state that end face compresses, described fixture part centre position with valve shaft input flange
Valve shaft installing hole 12 then seal slips 13 and valve shaft by two semi-annular shapes installed within it
Input forms axial plane and coordinates.
Dynamic cooperation leakage controller of the present utility model, can play between valve dynamic power machine and valve
Cross interconnection function, and play the dynamic sealing action to valve shaft.Under normal condition, described valve shaft is installed
It is released state that two semi-annular shapes in hole 12 seal slips 13, and its axial plane with valve shaft input is joined
It is combined into matched in clearance, it is allowed to medium exists；When main part breaks down and needs repairing, then described in two
Semi-annular shape seal the adjustment bolt 10 that is installed in cross bolts hole 14 respectively of slips 13 by its both sides
Adjustment impetus diametrically move and near input, until valve shaft to be held tightly elimination gap, with
Described valve shaft input is formed and compresses stationary fit, thus realizes blocking the sealing of medium in valve, prevents
The axial leakage of medium in valve, to reach the not parking purpose carrying out main part maintenance or replacing.
Dynamic cooperation leakage controller of the present utility model, will be set to end face between main part and fixture parts
The stationary fit relation compressed, and will be set between described fixture parts and valve shaft input end face of flange
Stationary fit connects firmly relation, and its purpose is exactly to make described fixture parts as the safety stock of forefront, in order to
The first anti-leak defence line that valve power end seals just is become in the very first time that valve comes into operation.So,
In the case of this utility model normally works, two semi-annular shapes in described fixture parts seal slips 13
Being in the open mode being separated from each other, do not seal, there is event in main part the most of the present utility model
Barrier needs to implement checking maintenance or dismounting is just enabled when renewing so that it is be in sealing state, to guarantee dangerization
The sealing effectiveness of the equipment such as product dynamic producing condition lower valve is perfectly safe.
The functional structure of valve leak problem Yu valve body is carried out by of the present utility model being structurally characterized in that
That rationalizes is separately positioned, thus is formed and valve moves the control unit coordinating leakage, traditional to change
Valve seal pattern.Seriation that this utility model docks with valve body and standardization, determine it
Equipped with replacing in terms of motility, be beneficial to improve the sealing effectiveness of valve, compared to prior art, both
The maintenance frequency of leakage failure rate, repair rate and the valve of valve can be greatly lowered and reduce production
Cost, is high pressure, high temperature, harmful influence production and the dynamic seal (packing) of accumulating industry pipeline executor the most simultaneously
Provide new solution, create safety for the on-line maintenance of valve, replacing in important technological process
Environment, the safety producing raising industrial pipeline, reliability, stability, seriality have great
Realistic meaning and wide application prospect.
Above by reference to drawings and Examples, the technical solution of the utility model is schematically described, should
Describe the most restricted.Those skilled in the art will be understood that in actual applications, in this utility model
The details that arranges of all parts is all likely to occur some change, and other staff are likely to do under it enlightens
Go out similar Design.Special needs to be pointed out is: without departing from design aim of the present utility model, all aobvious
And the variations in detail being clear to or similar Design, within being all contained in protection domain of the present utility model.
Claims (3)
1. a dynamic cooperation leakage controller, including main part, it is characterized in that: further comprising fixture parts；Described main part includes the power end axle having square hole bottom it, described power end axle upper, lower end is respectively provided with, bottom end cover flange, insert input bearing on described upper end cover flange, insert outfan bearing on described bottom end cover flange, described is upper, housing is installed between bottom end cover flange, described housing is upper by the first coupling bolt and its two ends, bottom end cover flange is fixing to be connected and forms an annular seal space, static and dynamic sealing it is provided with secondary in described annular seal space, described static and dynamic sealing is secondary to be made up of the rotary packing ring being fixed on described power end axle and the stationary seal ring being embedded on described bottom end cover flange, it is provided with spring between described rotary packing ring and stationary seal ring；Described fixture parts include that the center portion thereof position is provided with the jig body of valve shaft installing hole, it is provided with a pair semi-annular shape in described valve shaft installing hole and seals slips, the both sides being positioned at described valve shaft installing hole have the cross bolts hole of symmetrical and sensible described semi-annular shape sealing slips external diameter, are provided with adjustment bolt in two described cross bolts holes.
Dynamic cooperation leakage controller the most according to claim 1, is characterized in that: be provided with encapsulant at the sealing surface that described static and dynamic sealing is secondary.
Dynamic cooperation leakage controller the most according to claim 1, is characterized in that: be provided with sealing ring on the contact surface between described housing and described upper and lower end cap flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620034686.0U CN205479678U (en) | 2016-01-08 | 2016-01-08 | Movable fit leakage control ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620034686.0U CN205479678U (en) | 2016-01-08 | 2016-01-08 | Movable fit leakage control ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205479678U true CN205479678U (en) | 2016-08-17 |
Family
ID=56668043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620034686.0U Withdrawn - After Issue CN205479678U (en) | 2016-01-08 | 2016-01-08 | Movable fit leakage control ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205479678U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465475A (en) * | 2016-01-08 | 2016-04-06 | 朱志强 | Movable fit leakage controller for valve |
| CN112599275A (en) * | 2021-02-02 | 2021-04-02 | 杭州景业智能科技股份有限公司 | Sealing station port of bar scrap decontamination packaging system for nuclear industry |
-
2016
- 2016-01-08 CN CN201620034686.0U patent/CN205479678U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465475A (en) * | 2016-01-08 | 2016-04-06 | 朱志强 | Movable fit leakage controller for valve |
| CN105465475B (en) * | 2016-01-08 | 2017-10-10 | 朱志强 | A kind of dynamic cooperation leakage controller for valve |
| CN112599275A (en) * | 2021-02-02 | 2021-04-02 | 杭州景业智能科技股份有限公司 | Sealing station port of bar scrap decontamination packaging system for nuclear industry |
| CN112599275B (en) * | 2021-02-02 | 2021-06-01 | 杭州景业智能科技股份有限公司 | Sealing station port of bar scrap decontamination packaging system for nuclear industry |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160817 Effective date of abandoning: 20171010 |