CN208237099U - A kind of adjustable bidirectional metallic seal butterfly valve that floats - Google Patents
A kind of adjustable bidirectional metallic seal butterfly valve that floats Download PDFInfo
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- CN208237099U CN208237099U CN201820789910.6U CN201820789910U CN208237099U CN 208237099 U CN208237099 U CN 208237099U CN 201820789910 U CN201820789910 U CN 201820789910U CN 208237099 U CN208237099 U CN 208237099U
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- valve
- fixedly connected
- valve body
- platen
- gasket
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 14
- 238000012856 packing Methods 0.000 claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 23
- 239000010439 graphite Substances 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 24
- 239000000945 filler Substances 0.000 claims description 20
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 230000036316 preload Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000012938 design process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a kind of adjustable bidirectional metallic seal butterfly valves that floats, including valve body, the top end of the valve body central position is fixedly connected with butterfly plate by valve rod, straight pin is fixedly connected with inside the butterfly plate, the valve stem top is provided with flexible graphite packing ring, the valve inner is fixedly connected with valve seat insert at butterfly plate upper end, installation is connected with platen on the right side of the valve seat insert, and the inside of platen is fixedly connected with spring, the bottom end of the spring is provided with flush end tightening, the bottom end of the valve body is equipped with bottom cover by hexagon-headed bolt, the interior bottom end of valve body above the bottom cover is fixedly connected with thrust ring, and thrust ring bottom is provided with thrust ring gasket, two sides are fixedly connected with one group of divided ring at the top of the thrust ring.The utility model by setting platen gasket, valve seat insert, top bar, get out of a predicament or an embarrassing situation, spring and flush end tightening structure, have the advantages that floating, the two-way leakproofness that reconciles are preferable.
Description
Technical field
The utility model relates to machinery valve technical field, specially a kind of adjustable bidirectional metallic seal butterfly valve that floats.
Background technique
Butterfly valve is called flap valve, is a kind of simple regulating valve of structure, can be used for the switch control of low pressure pipeline medium
Butterfly valve refers to that closure member is disk, reaches a kind of valve of open and close around valve shaft rotation, valve can be used for controlling air,
The flowing of the various types fluids such as water, steam, various corrosive medias, mud, oil product, liquid metal and radiating medium,
Cutting and throttling action are mainly played on pipeline, butterfly valve opening and closing element is a discoidal butterfly plate, around the axis of its own in valve body
Line rotation, to achieve the purpose that opening and closing or adjusting, utility model is specially a kind of adjustable bidirectional metallic seal butterfly valve that floats.
But there are deficiencies below for the prior art:
1, the double regulation control of valve body and floating effect are undesirable, and installation and debugging process is difficult；
2, the decrement of valve body filler can not carry out relevant adjustment, affect the leakproofness of valve body.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of adjustable bidirectional metallic seal butterfly valve that floats, and solves
Double regulation control and the floating effect that valve body exists in the prior art are undesirable, and installation and debugging process is difficult, the decrement of filler
The problem of can not adjusting.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of adjustable bidirectional metal sealing butterfly that floats
Valve, including valve body, the top end of the valve body central position is fixedly connected with butterfly plate by valve rod, and butterfly plate is installed on the positive table of valve body
Middle section inside face is fixedly connected with straight pin inside the butterfly plate, and the valve rod outer end face socket is connected with axle sleeve, the valve
It is provided with flexible graphite packing ring at the top of bar, flexible graphite packing ring upper end is fixedly connected with filler pressure by filler pressing sleeve
Plate, and the inside installation of flexible graphite packing ring is connected with one group of filler gasket, the valve inner is consolidated at butterfly plate upper end
Surely it is connected with valve seat insert, installation is connected with platen on the right side of the valve seat insert, and the inside of platen is fixedly connected with bullet
Spring, the bottom end of the spring are provided with flush end tightening, and the bottom end of the valve body is equipped with bottom cover, the bottom by hexagon-headed bolt
The interior bottom end of the valve body for the side of covering is fixedly connected with thrust ring, and thrust ring bottom is provided with thrust ring gasket, the thrust ring
Top two sides are fixedly connected with one group of divided ring.
Preferably, the butterfly plate outer surface is fixedly connected with butterfly plate sealing ring by hexagon socket cap head screw.
Preferably, the valve seat insert upper and lower side, which is successively installed, is connected with top bar and gets out of a predicament or an embarrassing situation, and top bar and valve
S-shaped gap is reserved between body.
Preferably, the bottom of getting out of a predicament or an embarrassing situation is fixedly connected with platen gasket, and platen gasket passes through interior hexagonal cylindrical head spiral shell
Nail is connect with valve seat insert.
Preferably, the platen gasket and valve seat insert side form trapezoid space, and trapezoid space is internally provided with
Trapezoidal graphite packing.
(3) beneficial effect
The utility model provides a kind of adjustable bidirectional metallic seal butterfly valve of floating, have it is following the utility model has the advantages that
(1) the utility model by setting platen gasket, flush end tightening, spring, top bar and get out of a predicament or an embarrassing situation, have float and
Bilaterally adjustable advantage, in the prior art, in three eccentric two-way metallic seal butterfly valve design process, based on floating type valve seat,
But the seal pressure after the completion of designing between valve seat insert and butterfly plate sealing ring with pressure medium it has been determined that cannot carry out
Active accommodation, installation and debugging process is also extremely difficult, and the present apparatus is provided with top bar on valve seat insert surface and gets out of a predicament or an embarrassing situation, and
S-shaped gap is reserved between top bar and valve body, axially position is carried out to the platen gasket below platen using flush end tightening, simultaneously
It is adjusted again by decrement of the flush end tightening to spring, is realized with this to close between valve seat insert and butterfly plate sealing ring
Envelope reduced pressure must adjust, and be combined by reserved S-shaped gap adjustment sidewall friction power and initial tension of spring, realize valve body
Float adjustable two-way sealing function, is greatly convenient to use, to solve the double regulation control that valve body exists in the prior art
It is undesirable with floating effect, the problem of installation and debugging process difficulty.
(2) the utility model has raising close by setting platen gasket, valve seat insert and hexagon socket cap head screw
The advantages of envelope property, during carrying out packing seal to valve body, the size of general filler import is fixed structure, so that trapezoidal stone
Frictional force between black filler and valve body is unadjustable, causes the leakproofness of valve body poor, by hexagon socket head cap screw to pressure
Plate mat piece and valve seat insert are fixedly connected, between platen gasket and valve seat insert reserve T shape gap, platen gasket and
The side of valve seat insert and body wall form a trapezoid space to install trapezoidal filler, the compression of trapezoidal graphite packing
Amount is adjusted in range T by the preload of hexagon socket cap head screw, is maintained at the frictional force of trapezoidal graphite packing and valve body
Within the scope of suitable, so that the leakproofness of valve body is improved, it can not be adjusted to solve and filler exists in the prior art
The problem of.
Detailed description of the invention
Fig. 1 is the utility model schematic elevation view；
Fig. 2 is the utility model schematic cross-sectional view；
Fig. 3 is structure enlargement diagram at the utility model A；
Fig. 4 is structure enlargement diagram at the utility model B；
Fig. 5 is structure enlargement diagram at the utility model C.
In figure: 1 hold-down grid, 2 filler pressing sleeves, 3 flexible graphite packing rings, 4 filler gaskets, 5 axle sleeves, 6 valve bodies, 7 trapezoidal
Graphite packing, 8 platens, 9 platen gaskets, 10 valve seat inserts, 11 butterfly plate sealing rings, 12 butterfly plates, 13 straight pins, 14 valve rods, 15
Thrust ring gasket, 16 divided rings, 17 thrust rings, 18 bottom covers, 19 hexagon-headed bolts, 20 flush end tightenings, 21 springs, hexagonal circle in 22
Chapiter screw 23 is got out of a predicament or an embarrassing situation, 24 top bars.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-5, the utility model provides a kind of technical solution: a kind of adjustable bidirectional metallic seal butterfly valve that floats,
Including valve body 6,6 top central position of valve body is fixedly connected with butterfly plate 12 by valve rod 14, and butterfly plate 12 is being installed on valve body 6 just
Interior surface middle section, 12 outer surface of butterfly plate are fixedly connected with butterfly plate sealing ring 11, valve rod 14 by hexagon socket cap head screw 22
Outer end face socket is connected with axle sleeve 5, and flexible graphite packing ring 3 is provided at the top of valve rod 14, and 3 upper end of flexible graphite packing ring is logical
It crosses filler pressing sleeve 2 and is fixedly connected with hold-down grid 1, and the inside installation of flexible graphite packing ring 3 is connected with one group of filler gasket
4,6 inside of valve body is fixedly connected with valve seat insert 10 at 12 upper end of butterfly plate, and 10 upper and lower side of valve seat insert is successively installed
It is connected with top bar 24 and get out of a predicament or an embarrassing situation 23, and reserved S-shaped gap between top bar 24 and valve body 6,23 bottoms of getting out of a predicament or an embarrassing situation are fixed to be connected
It is connected to platen gasket 9, and platen gasket 9 is connect by hexagon socket cap head screw 22 with valve seat insert 10,23 bottoms of getting out of a predicament or an embarrassing situation
Portion is fixedly connected with platen gasket 9, and platen gasket 9 is connect by hexagon socket cap head screw 22 with valve seat insert 10, presses
Plate mat piece 9 and 10 side of valve seat insert form trapezoid space, and trapezoid space is internally provided with trapezoidal graphite packing 7, valve seat
Installation is connected with platen 8 on the right side of sealing ring 10, and the inside of platen 8 is fixedly connected with spring 21, and the bottom end of spring 21 is provided with
Flush end tightening 20, in the prior art, in three eccentric two-way metallic seal butterfly valve design process, based on floating type valve seat, still
Seal pressure after the completion of design between valve seat insert 10 and butterfly plate sealing ring 11 with pressure medium it has been determined that cannot carry out
Active accommodation, installation and debugging process is also extremely difficult, and the present apparatus is provided with top bar 24 on 10 surface of valve seat insert and leaves office
Rank 23, and S-shaped gap is reserved between top bar 24 and valve body 6, using flush end tightening 20 to the platen gasket 9 of the lower section of platen 8 into
Row axially position, while being adjusted again by decrement of the flush end tightening 20 to spring 21, it is realized with this to valve base sealing
Sealing reduced pressure must adjust between circle 10 and butterfly plate sealing ring 11, and adjust sidewall friction power and bullet by reserved S-shaped gap
21 pretightning force of spring combines, and realizes the adjustable two-way sealing function of floating of valve body 6, is greatly convenient to use, the bottom end of valve body 6
Bottom cover 18 is installed by hexagon-headed bolt 19, the interior bottom end of the valve body 6 of 18 top of bottom cover is fixedly connected with thrust ring 17, and only
17 bottom of throw-out collar is provided with thrust ring gasket 15, and 17 top two sides of thrust ring are fixedly connected with one group of divided ring 16, to valve body 6 into
During row packing seal, the size of general filler import is fixed structure, so that between trapezoidal graphite packing 7 and valve body 6
Frictional force it is unadjustable, cause the leakproofness of valve body 6 poor, by hexagon socket head cap screw 22 to platen gasket 9 and valve seat
Sealing ring 10 is fixedly connected, and T shape gap is reserved between platen gasket 9 and valve seat insert 10, platen gasket 9 and valve seat are close
The side of seal 10 and 6 side wall of valve body form a trapezoid space to install trapezoidal filler, the decrement of trapezoidal graphite packing 7
It is adjusted in range T by the preload of hexagon socket cap head screw 22, keeps the frictional force of trapezoidal graphite packing 7 and valve body 6
Within the scope of suitable, so that the leakproofness of valve body 6 is improved.
Working principle: in use, rotation valve rod 14 carries out Double-directional rotary using butterfly plate 12, the outer surface of butterfly plate 12 passes through interior
Hexagonal cylindrical head screw 22 is fixedly connected with butterfly plate sealing ring 11, and 10 surface of valve seat insert is provided with top bar 24 and leaves office
Rank 23, and S-shaped gap is reserved between top bar 24 and valve body 6, using flush end tightening 20 to the platen gasket 9 of the lower section of platen 8 into
Row axially position, while being adjusted again by decrement of the flush end tightening 20 to spring 21, it is realized with this to valve base sealing
Sealing reduced pressure must adjust between circle 10 and butterfly plate sealing ring 11, and adjust sidewall friction power and bullet by reserved S-shaped gap
21 pretightning force of spring combines, realize valve body 6 the adjustable two-way sealing function of floating, be greatly convenient to use, to valve body 6 into
During row packing seal, the size of general filler import is fixed structure, so that between trapezoidal graphite packing 7 and valve body 6
Frictional force it is unadjustable, cause the leakproofness of valve body 6 poor, by hexagon socket head cap screw 22 to platen gasket 9 and valve seat
Sealing ring 10 is fixedly connected, and T shape gap is reserved between platen gasket 9 and valve seat insert 10, platen gasket 9 and valve seat are close
The side of seal 10 and 6 side wall of valve body form a trapezoid space to install trapezoidal filler, the decrement of trapezoidal graphite packing 7
It is adjusted in range T by the preload of hexagon socket cap head screw 22, keeps the frictional force of trapezoidal graphite packing 7 and valve body 6
Within the scope of suitable, so that the leakproofness of valve body 6 is improved, when butterfly plate 12 is turned to specified location by valve rod 14
When, thrust ring 17 prevents the rotation of valve rod 14, realizes the sealing to metal with this.
Can to sum up obtain, the utility model by setting platen gasket 9, valve seat insert 10, top bar 24, get out of a predicament or an embarrassing situation 23,
Spring 21 and flush end tightening structure 20, solve the double regulation control that valve body exists in the prior art and floating effect are undesirable, peace
Fill the problem of debugging process is difficult, and the decrement of filler can not adjust.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of adjustable bidirectional metallic seal butterfly valve that floats, including valve body (6), it is characterised in that: valve body (6) the top center
It is fixedly connected with butterfly plate (12) at position by valve rod (14), and butterfly plate (12) is installed on middle section inside valve body (6) front surface, institute
It states and is fixedly connected with straight pin (13) inside butterfly plate (12), valve rod (14) the outer end face socket is connected with axle sleeve (5), described
It is provided with flexible graphite packing ring (3) at the top of valve rod (14), flexible graphite packing ring (3) upper end passes through filler pressing sleeve (2)
It is fixedly connected with hold-down grid (1), and the inside installation of flexible graphite packing ring (3) is connected with one group of filler gasket (4), it is described
Valve body (6) is internal to be fixedly connected with valve seat insert (10) at butterfly plate (12) upper end, on the right side of the valve seat insert (10)
Installation is connected with platen (8), and the inside of platen (8) is fixedly connected with spring (21), and the bottom end of the spring (21) is provided with
The bottom end of flush end tightening (20), the valve body (6) is equipped with bottom cover (18) by hexagon-headed bolt (19), on the bottom cover (18)
The interior bottom end of the valve body (6) of side is fixedly connected with thrust ring (17), and thrust ring (17) bottom is provided with thrust ring gasket (15),
Two sides are fixedly connected with one group of divided ring (16) at the top of the thrust ring (17).
2. a kind of adjustable bidirectional metallic seal butterfly valve that floats according to claim 1, it is characterised in that: the butterfly plate (12)
Outer surface is fixedly connected with butterfly plate sealing ring (11) by hexagon socket cap head screw (22).
3. a kind of adjustable bidirectional metallic seal butterfly valve that floats according to claim 1, it is characterised in that: the valve base sealing
Circle (10) upper and lower side, which is successively installed, to be connected with top bar (24) and gets out of a predicament or an embarrassing situation (23), and pre- between top bar (24) and valve body (6)
Stay S-shaped gap.
4. a kind of adjustable bidirectional metallic seal butterfly valve that floats according to claim 3, it is characterised in that: described to get out of a predicament or an embarrassing situation
(23) bottom is fixedly connected with platen gasket (9), and platen gasket (9) passes through hexagon socket cap head screw (22) and valve base sealing
Enclose (10) connection.
5. a kind of adjustable bidirectional metallic seal butterfly valve that floats according to claim 4, it is characterised in that: the platen gasket
(9) trapezoid space is formed with valve seat insert (10) side, and trapezoid space is internally provided with trapezoidal graphite packing (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820789910.6U CN208237099U (en) | 2018-05-24 | 2018-05-24 | A kind of adjustable bidirectional metallic seal butterfly valve that floats |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820789910.6U CN208237099U (en) | 2018-05-24 | 2018-05-24 | A kind of adjustable bidirectional metallic seal butterfly valve that floats |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208237099U true CN208237099U (en) | 2018-12-14 |
Family
ID=64574902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820789910.6U Active CN208237099U (en) | 2018-05-24 | 2018-05-24 | A kind of adjustable bidirectional metallic seal butterfly valve that floats |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208237099U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339530A (en) * | 2021-05-11 | 2021-09-03 | 超达阀门集团股份有限公司 | Three-eccentric high-temperature butterfly valve with bidirectional sealing function |
-
2018
- 2018-05-24 CN CN201820789910.6U patent/CN208237099U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339530A (en) * | 2021-05-11 | 2021-09-03 | 超达阀门集团股份有限公司 | Three-eccentric high-temperature butterfly valve with bidirectional sealing function |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240511 Address after: 273516 No.1 Futang Road, Beisu Town, Zoucheng City, Jining City, Shandong Province Patentee after: Edwell Ruituo (Shandong) Automatic Control Technology Co.,Ltd. Country or region after: China Address before: Adjacent to the west side of Instrument Base, Shengfang Road, Industrial Development Zone, Daxing District, Beijing 102600 Patentee before: ADQVALVE FLOW CONTROL INDUSTRY Group Ltd. Country or region before: China |