CN206398176U - A kind of elastic pre-pressing structure of high-temperature high pressure valve filler - Google Patents
A kind of elastic pre-pressing structure of high-temperature high pressure valve filler Download PDFInfo
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- CN206398176U CN206398176U CN201720089741.0U CN201720089741U CN206398176U CN 206398176 U CN206398176 U CN 206398176U CN 201720089741 U CN201720089741 U CN 201720089741U CN 206398176 U CN206398176 U CN 206398176U
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- filler
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- stuffing
- pressing sleeve
- box
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Abstract
The utility model discloses a kind of elastic pre-pressing structure of high-temperature high pressure valve filler, including stuffing-box, slide opening is offered in the middle part of stuffing-box, stuffing-box top offers packing groove, stuffing-box bottom offers lower packing groove, valve rod is installed in slide opening, valve rod top is arranged with the first seal block, first packing seal element and the first filler pressing sleeve, the first butterfly spring and the first hold-down grid are arranged with first filler pressing sleeve, stem lower portion is arranged with the second seal block, second packing seal element and the second filler pressing sleeve, the second butterfly spring and push pedal are arranged with second filler pressing sleeve.The increased disk spring of the utility model produces constant pretightning force to filler assembly, below raising while Reliability of Packing Seal, also effectively prevent from producing packing leaking after filler weares and teares and in medium temperature, pressure height alternation, extend the service life of filler assembly, it is ensured that valve is in high temperature and high pressure condition and the safe and reliable operation in the environment for having pollution to require.
Description
Technical field
The utility model is related to a kind of valve packing pre-pressing structure, specifically a kind of elastic pretension of high-temperature high pressure valve filler
Structure.
Background technology
Valve be in fluid system, for control the direction of fluid, pressure, flow device, be to make pipe arrangement and equipment
Interior medium (liquid, gas, powder) flowing or stopping simultaneously controlling the device of its flow.Valve is pipeline fluid induction system
Middle control unit, for changing path section and media flow direction, with water conservancy diversion, cut-off, throttling, non-return, shunting or overflow
The functions such as release.The valve controlled for fluid, from simplest stop valve into extremely complex robot control system(RCS) it is used each
Valve is planted, its kind and specification are various, the inside nominal diameter of valve reaches greatly 10m industrial pipeline from atomic small gauge valve to latus rectum
Use valve.It is each available for control water, steam, oil product, gas, mud, various Korrosionsmediums, liquid metal and radioactive fluid etc.
Type fluidly flows, the super-pressure that the operating pressure of valve can be from 0.0013MPa to 1000MPa, and operating temperature can be with
C-270 DEG C of ultralow temperature is to 1430 DEG C of high temperature.
Although the very wide model of the application of valve, valve in use, especially in the environment of HTHP or
Pollute in environment, be easy for causing valve to break down, reduce service life.Filler in existing valve easily weares and teares, if
It is easy for going wrong under the particular surroundings such as HTHP, causes valve to be continuing with.
Utility model content
The purpose of this utility model is to provide a kind of high-temperature high pressure valve filler elastic pre-pressing structure, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides following technical scheme：
Slide opening, filler are offered in the middle part of a kind of elastic pre-pressing structure of high-temperature high pressure valve filler, including stuffing-box, stuffing-box
Letter top offers packing groove, and stuffing-box bottom is offered and valve rod is provided with lower packing groove, slide opening, and valve rod top is arranged with
First seal block, the first packing seal element and the first filler pressing sleeve, the first packing seal element are located at the upper of the first seal block
Side, the first filler pressing sleeve is located at the top of the first packing seal element, and the first packing seal element and the first seal block, which are located at, above to be filled out
Inside hopper, the lower end of the first filler pressing sleeve is located inside upper packing groove, and the first butterfly spring is arranged with the first filler pressing sleeve
With the first hold-down grid, the first hold-down grid is located at the top of the first butterfly spring, and the bottom of the first butterfly spring is arranged on the
On step in the middle part of one filler pressing sleeve, the first hold-down grid is connected by screw the top of stuffing-box, and stem lower portion is arranged with
Two seal blocks, the second packing seal element and the second filler pressing sleeve, the second packing seal element are located under the second packing seal element
Side, the second filler pressing sleeve is located at the lower section of the second packing seal element, the second packing seal element, the second seal block and the second filler
Gland is respectively positioned on inside lower packing groove, and the second butterfly spring and push pedal are arranged with the second filler pressing sleeve, and push pedal is located at the second butterfly
The lower section of shape spring, push pedal bottom connection extruded sleeve, extruded sleeve bottom connects the second hold-down grid, and the second hold-down grid is set in
On valve rod, the second hold-down grid is connected by screw the bottom of stuffing-box, and stuffing-box side offers oil filler point, oil filler point connection
Slide opening, oiling outer end of hole is connected through a screw thread thread plug.
It is used as further program of the utility model：The axis of the upper packing groove and lower packing groove with slide opening
Axis is overlapped.
It is used as further program of the utility model：First packing seal element and the second packing seal element are resistance to height
The low leakage flexible sealing element that warm high pressure material is made.
It is used as further program of the utility model：The material of first butterfly spring and the second butterfly spring is
Inconel materials.
Compared with prior art, the beneficial effects of the utility model are：The utility model structure is novel, using stablizing, originally
Utility model increase pouring orifice adds lubricating oil, is conducive to valve rod to rotate, slows down the rate of wear of filler assembly.Increased dish-shaped bullet
Spring produces constant pretightning force to filler assembly, while lower section Reliability of Packing Seal is improved, can also effectively prevent
Packing leaking is produced after filler abrasion and in medium temperature, pressure height alternation, the use longevity of filler assembly is also extended
Life, it is ensured that valve is in high temperature and high pressure condition and the safe and reliable operation in the environment for having pollution-free requirement.
Brief description of the drawings
Fig. 1 is the structural representation of the elastic pre-pressing structure of high-temperature high pressure valve filler.
In figure：1- valve rods, the hold-down grids of 2- first, the butterfly springs of 3- first, the filler pressing sleeves of 4- first, the fillers of 5- first are close
Sealing, the seal blocks of 6- first, 7- stuffing-boxes, the seal blocks of 8- second, the packing seal elements of 9- second, the filler pressing sleeves of 10- second,
The hold-down grids of 11- second, 12- extruded sleeves, 13- push pedals, the butterfly springs of 14- second, 15- thread plugs, 16- oil filler points.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Referring to Fig. 1, in the utility model embodiment, a kind of elastic pre-pressing structure of high-temperature high pressure valve filler, including fill out
Expect letter 7, the middle part of stuffing-box 7 offers slide opening, and the top of stuffing-box 7 offers packing groove, and the bottom of stuffing-box 7 offers lower filler
The axis of groove, upper packing groove and lower packing groove is overlapped with the axis of slide opening, and valve rod 1, the top of valve rod 1 are provided with slide opening
The first seal block 6, the first packing seal element 5 and the first filler pressing sleeve 4 are arranged with, it is close that the first packing seal element 5 is located at first
The top of packing block 6, the first filler pressing sleeve 4 is located at the top of the first packing seal element 5, and the first packing seal element 5 and first is close
Packing block 6 is located inside upper packing groove, and the lower end of the first filler pressing sleeve 4 is located inside upper packing groove, is covered on the first filler pressing sleeve 4
Provided with the first butterfly spring 3 and the first hold-down grid 2, the first hold-down grid 2 is located at the top of the first butterfly spring 3, the first butterfly
The bottom of shape spring 3 is arranged on the step at the middle part of the first filler pressing sleeve 4, and the first hold-down grid 2 is connected by screw stuffing-box 7
Top, the bottom of valve rod 1 is arranged with the second seal block 8, the second packing seal element 9 and the second filler pressing sleeve 10, the second filler
Seal 9 is located at the lower section of the second seal block 8, and the second filler pressing sleeve 10 is located at the lower section of the second packing seal element 9, and second fills out
Material seal 9, the second seal block 8 and the second filler pressing sleeve 10 are respectively positioned on inside lower packing groove, are covered on the second filler pressing sleeve 10
Provided with the second butterfly spring 14 and push pedal 13, push pedal 13 is located at the lower section of the second butterfly spring 14, the connection extruding of the bottom of push pedal 13
Set 12, the bottom of extruded sleeve 12 connects the second hold-down grid 11, and the second hold-down grid 11 is set on valve rod 1, the second hold-down grid
11 are connected by screw the bottom of stuffing-box 7, and the first packing seal element 5 and the second packing seal element 9 are high temperature high voltage resistant material
The material of the low leakage flexible sealing element that material is made, the first butterfly spring 3 and the second butterfly spring 14 is Inconel materials,
Stuffing-box side offers oil filler point 16, and oil filler point 16 connects slide opening, and the outer end of oil filler point 16 is connected through a screw thread thread plug 15.
The utility model structure is novel, using stabilization, and when in use, the bottom of stuffing-box 7 connects valve body, valve to the utility model
The bottom of bar 1 connects valve element, the top attended operation device of valve rod 1.Valve rod 1 is set to drive valve core rotation to realize valve by operation device
The function of door.By pouring orifice 16 plus lubricating oil valve rod 1 can be conducive to rotate in the utility model.Dish in the utility model
Shape spring produces constant pretightning force to filler assembly, while lower section Reliability of Packing Seal is improved, can also effectively prevent
Packing leaking only is produced after filler abrasion and in medium temperature, pressure height alternation, making for filler assembly is also extended
With the life-span, it is ensured that valve is in high temperature and high pressure condition and the safe and reliable operation in the environment for having pollution-free requirement.
It is obvious to a person skilled in the art that the 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 limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (3)
1. a kind of elastic pre-pressing structure of high-temperature high pressure valve filler, including stuffing-box, it is characterised in that offered in the middle part of stuffing-box
Slide opening, stuffing-box top offers packing groove, and stuffing-box bottom, which is offered, is provided with valve rod, valve rod in lower packing groove, slide opening
Top is arranged with the first seal block, the first packing seal element and the first filler pressing sleeve, and it is close that the first packing seal element is located at first
The top of packing block, the first filler pressing sleeve is located at the top of the first packing seal element, the first packing seal element and the first sealing gasket
Block is located inside upper packing groove, and the lower end of the first filler pressing sleeve is located inside upper packing groove, and the is arranged with the first filler pressing sleeve
One butterfly spring and the first hold-down grid, the first hold-down grid are located at the top of the first butterfly spring, the bottom of the first butterfly spring
End is arranged on the step in the middle part of the first filler pressing sleeve, and the first hold-down grid is connected by screw under the top of stuffing-box, valve rod
Portion is arranged with the second seal block, the second packing seal element and the second filler pressing sleeve, and the second packing seal element is located at the second filler
The lower section of seal, the second filler pressing sleeve is located at the lower section of the second packing seal element, the second packing seal element, the second seal block
It is respectively positioned on the second filler pressing sleeve inside lower packing groove, the second butterfly spring and push pedal, push pedal is arranged with the second filler pressing sleeve
Positioned at the lower section of the second butterfly spring, push pedal bottom connection extruded sleeve, extruded sleeve bottom connects the second hold-down grid, the second filler
Pressing plate is set on valve rod, and the second hold-down grid is connected by screw the bottom of stuffing-box, and stuffing-box side offers oil filler point,
Oil filler point connects slide opening, and oiling outer end of hole is connected through a screw thread thread plug.
2. the elastic pre-pressing structure of high-temperature high pressure valve filler according to claim 1, it is characterised in that the upper packing groove
Overlapped with the axis of lower packing groove with the axis of slide opening.
3. the elastic pre-pressing structure of high-temperature high pressure valve filler according to claim 1, it is characterised in that first filler
Seal and the second packing seal element are the low leakage flexible sealing element that high temperature high-pressure resistant material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720089741.0U CN206398176U (en) | 2017-01-20 | 2017-01-20 | A kind of elastic pre-pressing structure of high-temperature high pressure valve filler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720089741.0U CN206398176U (en) | 2017-01-20 | 2017-01-20 | A kind of elastic pre-pressing structure of high-temperature high pressure valve filler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206398176U true CN206398176U (en) | 2017-08-11 |
Family
ID=59515468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720089741.0U Active CN206398176U (en) | 2017-01-20 | 2017-01-20 | A kind of elastic pre-pressing structure of high-temperature high pressure valve filler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206398176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799509A (en) * | 2018-07-13 | 2018-11-13 | 安徽国晟仪表有限公司 | A kind of oiling abrasion resistant type valve group |
-
2017
- 2017-01-20 CN CN201720089741.0U patent/CN206398176U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799509A (en) * | 2018-07-13 | 2018-11-13 | 安徽国晟仪表有限公司 | A kind of oiling abrasion resistant type valve group |
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