CN109723835A - A kind of valve actuator that anti-leak result is excellent - Google Patents
A kind of valve actuator that anti-leak result is excellent Download PDFInfo
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- CN109723835A CN109723835A CN201811594070.9A CN201811594070A CN109723835A CN 109723835 A CN109723835 A CN 109723835A CN 201811594070 A CN201811594070 A CN 201811594070A CN 109723835 A CN109723835 A CN 109723835A
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- valve
- gasket
- valve body
- actuator
- bracket
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Abstract
The invention discloses a kind of valve actuators that anti-leak result is excellent, including actuator, the output end of the actuator is connected with valve rod, the bottom end of the actuator is connected with bracket, the bottom end of the bracket is connected with valve body, and the valve body is internally provided with butterfly plate, and the valve body is internally provided with valve seat, the valve seat is provided with elastic cambered surface close to the side of butterfly plate, is provided with the first gasket and the second gasket at the valve seat and valve body contact position.The present invention is made of the valve base seal being arranged the second gasket that the first gasket and metallic foil of soft graphite material wind filler material, soft and hard two kinds of gasket seals, it can guarantee the seal request between valve body and valve seat, the elastic cambered surface of valve seat side is deformed after by the extruding of butterfly plate, with enough seal pressures, the leakproofness of valve is improved, avoids the leakage of butterfly valve medium, its excessive square of being bound by can be limited simultaneously, guarantee that butterfly valve has good regulation performance.
Description
Technical field
The present invention relates to valve actuator technical field, specially a kind of valve actuator that anti-leak result is excellent.
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 (flap or butterfly plate) is disk, a kind of valve of open and close is reached around valve shaft rotation, butterfly valve opens
Closing member is a discoidal butterfly plate, is rotated in valve body around the axis of its own, to achieve the purpose that opening and closing or adjusting.
When butterfly valve work, it adjusts the tetrafluoride material in gasket and sealing ring and flows with the raising of pressure medium and temperature
It loses, makes to adjust gasket and sealing ring loses sealing function, in addition when pressure medium directly acts on gasket, the section of gasket is wide
Degree is less than the minimum widith that gasket should have, and is not able to satisfy seal request, causes butterfly valve medium to leak outside, and actuator and valve body
Contact position leakproofness is poor.
Summary of the invention
The purpose of the present invention is to provide a kind of valve actuators that anti-leak result is excellent, to solve above-mentioned background technique
The tetrafluoride material when butterfly valve work in its adjustment gasket and sealing ring of middle proposition is flowed with the raising of pressure medium and temperature
It loses, makes to adjust gasket and sealing ring loses sealing function, in addition when pressure medium directly acts on gasket, the section of gasket is wide
Degree is less than the minimum widith that gasket should have, and is not able to satisfy seal request, causes butterfly valve medium to leak outside, and actuator and valve body
The poor problem of contact position leakproofness.
To achieve the above object, the invention provides the following technical scheme: a kind of valve actuator that anti-leak result is excellent,
Including actuator, the output end of the actuator is connected with valve rod, and the bottom end of the actuator is connected with bracket, the bracket
Bottom end is connected with valve body, and the valve body is internally provided with butterfly plate, and the bottom end of the valve body is provided with lower support filling body, institute
That states bracket is internally provided with support filling body, and the middle position of the bracket bottom end is provided with the second convex block, described
The two sides of second convex block are provided with the first convex block, the upper end of the valve body be provided with match with the first convex block it is first recessed
Slot, the upper end middle position of the valve body are provided with the second groove to match with the second convex block, and the inside of the valve body is set
It is equipped with valve seat, the valve seat is provided with elastic cambered surface close to the side of butterfly plate, is provided at the valve seat and valve body contact position
First gasket and the second gasket.
Preferably, the bracket is connected with valve body by fixing bolt, and the valve seat and valve body connect by the way that screw is fixed
It connects.
Preferably, the upper support filling body includes gland, filler and gasket, the gland and bracket contact position
Place is provided with gasket, and gasket is in " O " shape structure.
Preferably, the lower support filling body is identical as upper support filling body structure, and the material of filler is carbon fiber
Dimension.
Preferably, described two first convex block structures cylindrical, the cross section of second convex block are trapezoidal
The inner wall of structure, first groove and the second groove is provided with rubber pad.
Preferably, the material of first gasket is soft graphite, and the material of second gasket is metallic foil winding
The material of filler, the elasticity cambered surface is expanded ptfe.
Preferably, the concave structure in the cross section of the valve seat, and the surface of valve body be provided with match with valve seat it is convex
It rises, second gasket is located at close to the side of elastic cambered surface.
Preferably, the valve rod through valve body and extends to the lower inside for supporting filling body, and butterfly plate and valve rod weld.
Compared with prior art, the beneficial effects of the present invention are: the present invention passes through the valve base seal of setting by flexible stone
The second gasket composition of the first gasket and metallic foil the winding filler material of black material, soft and hard two kinds of gasket seals can
Guarantee the seal request between valve body and valve seat, the elastic cambered surface of valve seat side is deformed after by the extruding of butterfly plate, has foot
Enough seal pressures improve the leakproofness of valve, avoid the leakage of butterfly valve medium, while can limit its and excessive be bound by
Square guarantees that butterfly valve has good regulation performance, passes through the first convex block and the first groove, the second convex block and the second groove of setting
Between cooperation, improve actuator bracket and valve body contact position seals, by the upper support filling body of setting and under
Filling body is supported, so that valve rod still keeps good leakproofness in rotation.
Detailed description of the invention
Fig. 1 is main view of the invention；
Fig. 2 is schematic diagram of internal structure of the invention；
Fig. 3 is the enlarged structure schematic diagram of A of the invention；
Fig. 4 is the enlarged structure schematic diagram of B of the invention；
Fig. 5 is bracket and base connector explosive view of the invention.
In figure: 1, actuator；2, bracket；3, valve body；4, fixing bolt；5, valve rod；6, butterfly plate；7, lower support filling machine
Structure；8, upper support filling body；801, gland；802, filler；803, gasket；9, the first convex block；10, the second convex block；11,
One groove；12, the second groove；13, rubber pad；14, valve seat；15, the first gasket；16, the second gasket；17, screw；18, elastic
Cambered surface.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, a kind of embodiment provided by the invention: a kind of valve actuator that anti-leak result is excellent, packet
Actuator 1 (model YTDG) is included, the output end of actuator 1 is connected with valve rod 5, and the bottom end of actuator 1 is connected with bracket 2, branch
The bottom end of frame 2 is connected with valve body 3, and valve body 3 is internally provided with butterfly plate 6, and the bottom end of valve body 3 is provided with lower support filling body 7,
Bracket 2 is internally provided with support filling body 8, and the middle position of 2 bottom end of bracket is provided with the second convex block 10, and second is convex
The two sides of block 10 are provided with the first convex block 9, and the upper end of valve body 3 is provided with the first groove 11 to match with the first convex block 9, valve
The upper end middle position of body 3 is provided with the second groove 12 to match with the second convex block 10, and valve body 3 is internally provided with valve seat
14, valve seat 14 is provided with elastic cambered surface 18 close to the side of butterfly plate 6, is provided with the first pad at valve seat 14 and 3 contact position of valve body
Piece 15 and the second gasket 16.
In this embodiment: it is made of 14 sealing element of valve seat of setting the first gasket 15 and the second gasket 16, it is soft and hard
Two kinds of gasket seals can guarantee the seal request between valve body 3 and valve seat 14, and the elastic cambered surface 18 of 14 side of valve seat is by butterfly plate
It is deformed after 6 extruding, there is enough seal pressures, improve the leakproofness of valve, avoid the leakage of butterfly valve medium,
Its excessive square of being bound by can be limited simultaneously, guaranteed that butterfly valve has good regulation performance, passed through the first convex block 9 and first of setting
Cooperation between groove 11, the second convex block 10 and the second groove 12, improves actuator bracket 2 and 3 contact position of valve body seals
Property, by the upper support filling body 8 and lower support filling body 7 of setting, so that valve rod 5 still keeps good in rotation
Leakproofness.
Fig. 1 and Fig. 2 are please referred to, bracket 2 is connected with valve body 3 by fixing bolt 4, and valve seat 14 and valve body 3 pass through screw
It is fixedly connected, valve rod 5 is through valve body 3 and extends to the lower inside for supporting filling body 7, and butterfly plate 6 and valve rod 5 weld, and pass through
The bracket 2 of setting is fixedly connected with valve body 3 by fixing bolt 4, maintenance easy to disassemble, rotates to drive butterfly by valve rod 5
Plate 6 rotates, and achievees the purpose that opening and closing or adjusting.
Referring to Fig. 3, upper support filling body 8 includes gland 801, filler 802 and gasket 803, gland 801 and bracket
Gasket 803 is provided at 2 contact positions, and gasket 803 is in " O " shape structure, lower support filling body 7 and upper support filler
8 structure of mechanism is identical, and the material of filler 802 improves gland 801 and bracket by the gasket 803 of setting for carbon fiber
2 leakproofness, the filler 802 of carbon fibre materials have fabulous elasticity and flexibility, while having and have excellent self-lubricity, pass through
The upper support filling body 8 and lower support filling body 7 being arranged, so that valve rod 5 still keeps good leakproofness in rotation.
Referring to Fig. 5, two the first convex block 9 structures cylindrical, the trapezoidal structure in cross section of the second convex block 10, the
The inner wall of one groove 11 and the second groove 12 is provided with rubber pad 13, and the material of the first gasket 15 is soft graphite, the second pad
The material of piece 16 is that metallic foil winds filler, and the material of elastic cambered surface 18 is expanded ptfe, by by the first convex block 9
It is inserted into the first groove 11, the second convex block 10 is inserted into the second groove 12, improve actuator bracket 2 and valve body 3 contacts position
The leakproofness set improves sealing effect by the rubber pad 13 of setting, and soft graphite has unique flexibility and resilience, resistance to
Mild corrosion resistance and good, coefficient of friction is low, and self-lubricity is good, has excellent impermeability to gas and liquid and uses the longevity
Life length, metallic foil winding filler high temperature resistant, erosion resistance, wear-resistant, intensity is high.
Referring to Fig. 4, the concave structure in the cross section of valve seat 14, and the surface of valve body 3 is provided with and matches with valve seat 14
Protrusion, the second gasket 16 is located at close to the side of elastic cambered surface 18, the extruding of the elastic cambered surface 18 of 14 side of valve seat by butterfly plate 6
After be deformed, there is enough seal pressures, improve the leakproofness of valve, avoid the leakage of butterfly valve medium, while can
To limit its excessive square of being bound by, guarantee that butterfly valve has good regulation performance.
First convex block 9: being inserted into the first groove 11 by working principle when installation, and the second convex block 10 is inserted into the second groove 12
In, improve the leakproofness of actuator bracket 2 Yu 3 contact position of valve body, the rubber inside the first groove 11 and the second groove 12
Pad 13 improves sealing effect, and bracket 2 is fixedly connected with valve body 3 by fixing bolt 4, and maintenance easy to disassemble, actuator 1 drives valve
Bar 5 rotates, so that butterfly plate 6 be driven to rotate, achievees the purpose that opening and closing or adjusting, upper support filling body 8 and lower support filling machine
Structure 7, so that valve rod 5 still keeps good leakproofness in rotation, the extruding of the elastic cambered surface 18 of 14 side of valve seat by butterfly plate 6
After be deformed, there is enough seal pressures, improve the leakproofness of valve, avoid the leakage of butterfly valve medium, while can
To limit its excessive square of being bound by, guarantee that butterfly valve has a good regulation performance, 14 sealing element of valve seat is by the of soft graphite material
The second gasket 16 composition of one gasket 15 and metallic foil winding filler material, soft and hard two kinds of gasket seals can guarantee valve
Seal request between body 3 and valve seat 14.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (8)
1. a kind of valve actuator that anti-leak result is excellent, including actuator (1), it is characterised in that: the actuator (1)
Output end is connected with valve rod (5), and the bottom end of the actuator (1) is connected with bracket (2), and the bottom end of the bracket (2) is connected with
Valve body (3), the valve body (3) are internally provided with butterfly plate (6), and the bottom end of the valve body (3) is provided with lower support filling body
(7), being internally provided with for the bracket (2) supports filling body (8), the middle position setting of bracket (2) bottom end
Have the second convex block (10), the two sides of second convex block (10) are provided with the first convex block (9), and the upper end of the valve body (3) is set
It is equipped with the first groove (11) to match with the first convex block (9), the upper end middle position of the valve body (3) is provided with and second
The second groove (12) that convex block (10) matches, the valve body (3) are internally provided with valve seat (14), and the valve seat (14) is close
The side of butterfly plate (6) is provided with elastic cambered surface (18), is provided with the first gasket at the valve seat (14) and valve body (3) contact position
(15) and the second gasket (16).
2. a kind of excellent valve actuator of anti-leak result according to claim 1, it is characterised in that: the bracket
(2) it is connected with valve body (3) by fixing bolt (4), the valve seat (14) is fixedly connected with valve body (3) by screw.
3. a kind of excellent valve actuator of anti-leak result according to claim 1, it is characterised in that: the upper support
Filling body (8) includes gland (801), filler (802) and gasket (803), and the gland (801) and bracket (2) contact position
The place of setting is provided with gasket (803), and gasket (803) is in " O " shape structure.
4. a kind of excellent valve actuator of anti-leak result according to claim 3, it is characterised in that: the lower support
Filling body (7) is identical as upper support filling body (8) structure, and the material of filler (802) is carbon fiber.
5. a kind of excellent valve actuator of anti-leak result according to claim 1, it is characterised in that: two described
One convex block (9) structure cylindrical, the trapezoidal structure in cross section of second convex block (10), first groove (11) and
The inner wall of second groove (12) is provided with rubber pad (13).
6. a kind of excellent valve actuator of anti-leak result according to claim 1, it is characterised in that: first pad
The material of piece (15) is soft graphite, and the material of second gasket (16) is that metallic foil winds filler, the elasticity cambered surface
(18) material is expanded ptfe.
7. a kind of excellent valve actuator of anti-leak result according to claim 1, it is characterised in that: the valve seat
(14) the concave structure in cross section, and the surface of valve body (3) is provided with the protrusion to match with valve seat (14), second pad
Piece (16) is located at close to the side of elastic cambered surface (18).
8. a kind of excellent valve actuator of anti-leak result according to claim 1, it is characterised in that: the valve rod
(5) run through valve body (3) and extend to the inside of lower support filling body (7), and butterfly plate (6) and valve rod (5) are welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811594070.9A CN109723835A (en) | 2018-12-25 | 2018-12-25 | A kind of valve actuator that anti-leak result is excellent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811594070.9A CN109723835A (en) | 2018-12-25 | 2018-12-25 | A kind of valve actuator that anti-leak result is excellent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109723835A true CN109723835A (en) | 2019-05-07 |
Family
ID=66296448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811594070.9A Pending CN109723835A (en) | 2018-12-25 | 2018-12-25 | A kind of valve actuator that anti-leak result is excellent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109723835A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022661A (en) * | 2019-09-02 | 2020-04-17 | 中国核电工程有限公司 | Sealed valve and nuclear industry factory building |
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|---|---|---|---|---|
| JP2004084694A (en) * | 2002-08-23 | 2004-03-18 | Kubota Corp | Sealing structure of eccentric butterfly valve |
| CN2898481Y (en) * | 2006-05-26 | 2007-05-09 | 辽宁良工阀门厂 | Two-way topped sealing butterfly valve |
| US20070138427A1 (en) * | 2005-12-15 | 2007-06-21 | Hartman Brian T | Valve seal and method of installing a valve seal |
| CN202691085U (en) * | 2012-07-10 | 2013-01-23 | 上海阀门五厂有限公司 | Electric metal sealing butterfly valve |
| CN203272819U (en) * | 2013-05-21 | 2013-11-06 | 苏州市淞舜五金有限公司 | Butterfly valve |
| CN203979433U (en) * | 2014-05-30 | 2014-12-03 | 上海华通阀门有限公司 | High-temperature metal seal butterfly valve |
| CN204239773U (en) * | 2014-11-20 | 2015-04-01 | 浙江联大阀门有限公司 | A kind of floating seal butterfly valve |
| CN105402424A (en) * | 2015-12-16 | 2016-03-16 | 天津富赛克流体控制设备有限公司 | Large-flux wafer type high-performance butterfly valve |
| CN205715716U (en) * | 2016-05-20 | 2016-11-23 | 海安县区域供水有限公司 | Low temperature stop valve |
-
2018
- 2018-12-25 CN CN201811594070.9A patent/CN109723835A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004084694A (en) * | 2002-08-23 | 2004-03-18 | Kubota Corp | Sealing structure of eccentric butterfly valve |
| US20070138427A1 (en) * | 2005-12-15 | 2007-06-21 | Hartman Brian T | Valve seal and method of installing a valve seal |
| CN2898481Y (en) * | 2006-05-26 | 2007-05-09 | 辽宁良工阀门厂 | Two-way topped sealing butterfly valve |
| CN202691085U (en) * | 2012-07-10 | 2013-01-23 | 上海阀门五厂有限公司 | Electric metal sealing butterfly valve |
| CN203272819U (en) * | 2013-05-21 | 2013-11-06 | 苏州市淞舜五金有限公司 | Butterfly valve |
| CN203979433U (en) * | 2014-05-30 | 2014-12-03 | 上海华通阀门有限公司 | High-temperature metal seal butterfly valve |
| CN204239773U (en) * | 2014-11-20 | 2015-04-01 | 浙江联大阀门有限公司 | A kind of floating seal butterfly valve |
| CN105402424A (en) * | 2015-12-16 | 2016-03-16 | 天津富赛克流体控制设备有限公司 | Large-flux wafer type high-performance butterfly valve |
| CN205715716U (en) * | 2016-05-20 | 2016-11-23 | 海安县区域供水有限公司 | Low temperature stop valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022661A (en) * | 2019-09-02 | 2020-04-17 | 中国核电工程有限公司 | Sealed valve and nuclear industry factory building |
| CN111022661B (en) * | 2019-09-02 | 2022-02-25 | 中国核电工程有限公司 | Sealed valve and nuclear industry factory building |
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| PB01 | Publication | ||
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Application publication date: 20190507 |