CN105299243A - Four-dimensional four-eccentric unidirectional and bidirectional sealing butterfly valve - Google Patents
Four-dimensional four-eccentric unidirectional and bidirectional sealing butterfly valve Download PDFInfo
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- CN105299243A CN105299243A CN201510858840.6A CN201510858840A CN105299243A CN 105299243 A CN105299243 A CN 105299243A CN 201510858840 A CN201510858840 A CN 201510858840A CN 105299243 A CN105299243 A CN 105299243A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a four-dimensional four-eccentric unidirectional and bidirectional sealing butterfly valve which comprises a butterfly plate assembly consisting of a valve body, a valve shaft, a valve plate, a stack and a valve plate pressure ring, wherein the valve plate is arranged in the valve body and fixed on the valve shaft through a pin; a stuffing box is arranged on the upper part of the valve body; and a transmission mechanism is arranged on the stuffing box. The four-dimensional four-eccentric unidirectional and bidirectional sealing butterfly valve is characterized in that the valve plate has a four-dimensional four-eccentric structure, wherein the valve plate of the four-dimensional four-eccentric structure is located with four surfaces of a valve base of the valve body, i.e., surfaces a, b, c and d of a diagonal-dimensional valve base and surfaces a', b', c' and d' of a valve plate diagonal-dimensional stack are correspondingly arranged together according to an assembly position so as to form a sealing structure; a sealing angle alpha of the assembled c-c' is 1 degree, and the degree is changeless, and is a designed angle. The four-dimensional four-eccentric unidirectional and bidirectional sealing butterfly valve is reasonable in structure, wide in scope of application, long in service lifetime, free of leakage, relatively low in manufacturing cost, convenient in mounting, and high in qualified rate; and safety cost is greatly reduced.
Description
Technical field
The present invention relates to a kind of seal butterfly valve, particularly a kind of bidirectional sealed butterfly valve of four-dimensional four bias.
Background technique
Butterfly valve be on large diameter pipeline use the developing direction of valve, but it is single to there is butterfly plate structure in existing butterfly valve, shortcomings such as can not aligning, can not compensate, intensity is low, most of sealing material on valve adopts macromolecular material manufacture, not heatproof, not withstand voltage, not wear-resisting, the life-span is low, be difficult to expand using scope, and there are a kind of four-dimensional four eccentric two-way seal butterfly valves at present, although substantially solve the problems referred to above, but the inadequate science of its sealing angle, also makes compensation effect and the sealing still existing defects of whole seal butterfly valve.
Summary of the invention
Goal of the invention: invention provides a kind of four-dimensional four eccentric single-direction and dual-direction seal butterfly valves, its object is to solve the problem that existing butterfly valve compensation effect is bad and sealing is inadequate.
Technological scheme: invention is achieved through the following technical solutions:
A kind of four-dimensional four eccentric single-direction and dual-direction seal butterfly valves, comprise the butterfly plate combination of valve body, valve shaft, valve plate, lamination, valve plate trim ring composition, valve plate is contained in valve body, is fixed on valve shaft with pin, and Stuffing box is located at the top of valve body, and Stuffing box is equipped with driving mechanism; It is characterized in that: valve plate is four-dimensional four eccentric structures, the valve plate of four-dimensional four eccentric structures and the valve seat four sides of valve body are located, namely tiltedly a, b, c, d face and the valve plate of dimension valve seat tiltedly tie up four sides a ', the b ' of lamination, c ', d ' become sealing configuration by corresponding being set together of block position, after combination, the sealing angle [alpha] of c-c ' is 1 °, and it is design angle that this angle immobilizes.
Between the valve seat section of valve plate and valve body, four sections perpendicular with valve shaft on the direction of 360 ° are all tilted conical surfaces, wherein b-b ', d-d ' angle symmetrical and identical, and a-a ' angle is within the scope of 16 ° ~ 24 °, with valve aperture size variation, it is 1 ° that c-c ' angle [alpha] immobilizes.
Four above-mentioned eccentric structures for: 1. valve seat center and valve shaft center formed first eccentric; What 2. valve body plane and valve shaft center were formed is second eccentric; 3. the three eccentricity that formed of center, valve plate hole and valve seat center; 4. the taper the 4th that formed of lamination and valve seat center is eccentric.
Valve shaft diameter increases by 30% on original basis.
Lamination thickness increases by 30% on original basis, and specific pressure also increases by 30%
Advantageous effect:
The invention provides a kind of four-dimensional four eccentric single-direction and dual-direction seal butterfly valves, by the enforcement of technical solution of the present invention, the valve board structure that can solve existing butterfly valve is well single, can not align, can not compensate, intensity is low, not heatproof, the aspect Problems existing such as not withstand voltage, not wear-resisting.The problem that butterfly valve compensation effect is bad and sealing is inadequate in the past can also be solved simultaneously; The four-dimensional four eccentric two-way butterfly valve structures of the present invention are reasonable, applied widely, life-span length, zero leakage, cost is relatively low, easy for installation, up-to-standard rate is high, greatly reduces safety cost.
accompanying drawing illustrates:
Fig. 1 is the first eccentric structure schematic diagram in erection drawing of the present invention;
Fig. 2 be in erection drawing of the present invention second, third, the 4th eccentric structure schematic diagram;
Fig. 3 is the quaternary structure schematic diagram that valve plate of the present invention coordinates with valve seat;
Fig. 4 is the structural representation that the present invention opens and closes attached angle.
In figure: 1. valve body; 2. taper pin; 3. valve plate; 4. valve plate trim ring; 5. bolt;
Lamination; 7. Stuffing box; 8. Gland; 9. gland stud; 10. connecting key; 11. valve shafts; 12. first is eccentric; 13. second is eccentric; 14. three eccentricity; 15. the 4th is eccentric; 16. corrosion resistant plates; 17. pads.
embodiment:
As shown in Figure 1, invention provides a kind of four-dimensional four eccentric single-direction and dual-direction seal butterfly valves, comprise the butterfly plate combination of valve body 1, valve shaft 11, valve plate 3, lamination 6, valve plate trim ring 4 composition, valve plate 3 is contained in valve body 1, be fixed on valve shaft 11 with pin 2, Stuffing box 7 is located at the top of valve body 1, and Stuffing box 7 is equipped with driving mechanism; It is characterized in that: valve plate 3 is four-dimensional four eccentric structures, the valve plate 3 of four-dimensional four eccentric structures is located with the valve seat four sides of valve body 1, namely tiltedly a, b, c, d face and the valve plate of dimension valve seat tiltedly tie up four sides a ', the b ' of lamination, c ', d ' become sealing configuration by corresponding being set together of block position, after combination, the sealing angle [alpha] of c-c ' is 1 °, and it is design angle that this angle immobilizes.
Four above-mentioned eccentric structures are 1. the first bias 12 of being formed of valve seat center and valve shaft center; 2. the second bias 13 of being formed of valve body plane and valve shaft center; 3. the three eccentricity 14 that formed of center, valve plate hole and valve seat center; 4. taper the 4th bias 15 that formed of lamination and valve seat center.
Valve shaft diameter increases by 30% on original basis.
Lamination thickness increases by 30% on original basis, and specific pressure also increases by 30%.
Between the valve seat section of valve plate and valve body, four sections perpendicular with valve shaft on the direction of 360 ° are all tilted conical surfaces, wherein b-b ', d-d ' angle symmetrical and identical, and a-a ' angle is within the scope of 16 ° ~ 24 °, with valve aperture size variation, it is 1 ° that c-c ' angle [alpha] immobilizes
Torque force increases by 30%, by torque force control switch.
Embodiment 1:
As shown in Figure 1, the present invention is a kind of four-dimensional four eccentric two-way seal butterfly valves, and it comprises the butterfly plate combination of valve body 1, valve shaft 11, valve plate 3, lamination 6, valve plate trim ring 4 composition, and valve plate 3 is contained in valve body 1, be fixed on valve shaft 11 with pin 2, Stuffing box 7 is equipped with driving mechanism; Valve plate 3 is four-dimensional four eccentric structures, the valve plate 3 of four-dimensional four eccentric structures is located with the valve seat four sides of valve body 1, namely tiltedly a, b, c, d face and the valve plate of dimension valve seat tiltedly tie up four sides a ', the b ' of lamination, c ', d ' become sealing configuration by corresponding being set together of block position, see Fig. 3, ensure that sealing stability, increase sealing area, after combination, the sealing angle of c-c ' is 1 °, it is design angle that this angle immobilizes, and sees Fig. 4.This angle further increases the defect that the eccentric sealed butterfly valve of this four-dimension four not rationally causes because of this angle.
Between the valve seat section of valve plate 3 and valve body 1, four sections perpendicular with valve shaft 11 on the direction of 360 ° are all tilted conical surfaces, and wherein b-b ', d-d ' angle are symmetrical, and a-a ' angle is within the scope of 16 ° ~ 24 °, with valve aperture size variation, c-c ' angle [alpha] is fixed as 1 °; Prove through experiment, this angle is compared with angle in the past, and the sealing of these four-dimensional four eccentric two-way seal butterfly valves and compensation effect can be made to have a distinct increment.
As shown in Figure 2, four above-mentioned eccentric structures are 1. the first bias 12 of being formed of valve seat center and valve shaft center; 2. the second bias 13 of being formed of valve body plane and valve shaft center; 3. the three eccentricity 14 that formed of center, valve plate hole and valve seat; 4. the model that the geometric parameter of eccentric 15. four-dimensional four bias of taper the 4th that lamination 6 and valve seat center are formed can need according to valve, specification and changing, valve plate lamination is composited by multilayer alloy and graphite.
The design and fabrication technology of four-dimensional four eccentric-butterfly-valves belongs to leading in the world, that update product has very important meaning, it is the novel butterfly valve product of one developed on the basis of former patented technology and existing seal butterfly valve, its switch under the transmission of manual, electronic, pneumatic, hydraulic actuator is rapid, and valve plate half-twist can reach the object of rapid switch.
Embodiment 2:
Manufacture the four-dimensional four eccentric two-way seal butterfly valves of a playscript with stage directions invention, its bore is that DN800, PN1.6MPa design principle is shown in Fig. 1, wherein the first eccentric value is 78.85 ± 0.1, second eccentric value 73.75 ± 0.1, three eccentricity value is 22 ± 0.1, and the 4th eccentric value is 6.6 ± 0.1, from Fig. 3, see that 1 dimension a point angle is 18 °, 2 dimension b point angles are 9 ° of 30 ', 3 dimension c point angle [alpha] is 1 °, to strengthen the function of the eccentric sealed butterfly valve of this four-dimension four further; 4 dimension d point angles are 9 ° 30 '.First by valve plate 3 and lamination 6, valve plate trim ring 4 during assembling, with bolt 5, these three parts are mounted with the combination of composition butterfly plate, then by butterfly plate combination and valve shaft 11, are arranged on valve seat, valve shaft, valve plate form a whole by taper pin 2, filler 7 is contained in Stuffing box 7, is loaded on Gland 8, hold-down bolt, load onto connecting key 10, load onto driving mechanism, determine model be the valve of the present invention of 3D-30/400 according to actual needs, manual, electronic, pneumatic, the mode of surging can be adopted to operate in use.
The design and fabrication technology of butterfly valve of the present invention belongs to leading in the world, has very important meaning to update product, and it has saving material resources, and protection of the environment belongs to green product.It is the novel butterfly valve product of one researched and developed in the former patent of inventor and the basis of existing four-dimensional four eccentric sealed butterfly valves, its switch under the transmission of manual, electronic, pneumatic, hydraulic actuator is rapid, valve plate half-twist can reach switch object, optimal valve in pipeline, the especially developing direction of large diameter pipeline.Its concrete structure comprises the butterfly plate combination of valve body, valve shaft, valve plate, lamination, valve plate trim ring composition, and butterfly plate combination is contained in valve body, and be fixed on valve shaft with pin, Stuffing box is located at the top of valve body, and Stuffing box is equipped with driving mechanism; Valve plate is four-dimensional four eccentric structures, the valve plate of four-dimensional four eccentric structures and the valve seat four sides of valve body are located, namely tiltedly a, b, c, d face and the valve plate of dimension valve seat tiltedly tie up four sides a ', the b ' of lamination, c ', d ' become sealing configuration by corresponding being set together of block position, after combination, the sealing angle of c-c ' is 1 °, it is design angle that this angle immobilizes, so by the structure of science with more reasonably seal angle and make the compensation effect of these four-dimensional four eccentric two-way seal butterfly valves increase further; Sealing effect is better.
Butterfly valve structure of the present invention is simple, rationally.Ensure that between valve plate and valve pad, pressure minimum angle is greater than friction angle, without Relative friction, thus ensures that its life-span is like product more than four times at 360 ° of scope inner conical sealing surfaces, due to three eccentricity, 4th wobbler action, produces obvious cam effect, can self-locking self-tightening, again can gradual self compensation, remain zero sealing state, do not clamp, flexible operation, reliable, Stuffing box is designed to bilayer, reaches self compensation, No leakage, freedom from repairs.And the sealing angle [alpha] of c-c ' is 1 ° after combination, compares, also make sealability greatly strengthen with sealing angle in the past, especially when inner stuffing is partly consolidate semiliquid material, effect is particularly outstanding.Because partly the flowing of semi liquid state material is slow compared with the flowing of liquid admittedly, the holdup time is also longer, requires also just comparatively strictly, so the shortcoming that original seal butterfly valve sealing is not good also just comes out like this to the sealability of seal butterfly valve.And by improvement of the present invention, then solve above problem.
The parts such as the design's valve body, valve plate all adopt metallic material to make, sealing surface adopts high strength alloy, and thus have withstand voltage, heatproof, corrosion-resistant, its Applicable temperature is extensive, its volume is little, lightweight, Applicable scope is extremely wide, is specially adapted to heavy caliber pipeline uses as switch.
Claims (5)
1. the eccentric single-direction and dual-direction seal butterfly valve of the four-dimension four, comprise valve body (1), butterfly plate combination that valve shaft (11), valve plate (3), lamination (6), valve plate trim ring (4) form, valve plate (3) is contained in valve body (1), be fixed on valve shaft (11) with pin (2), Stuffing box (7) is located at the top of valve body (1), and (7) are equipped with driving mechanism with Stuffing box; It is characterized in that: valve plate (3) is four-dimensional four eccentric structures, the valve plate (3) of four-dimensional four eccentric structures is located with the valve seat four sides of valve body (1), namely tiltedly a, b, c, d face and the valve plate of dimension valve seat tiltedly tie up four sides a ', the b ' of lamination, c ', d ' become sealing configuration by corresponding being set together of block position, after combination, the sealing angle [alpha] of c-c ' is 1 °, and it is design angle that this angle immobilizes.
2. four-dimensional four eccentric sealed butterfly valves according to claim 1, is characterized in that: four above-mentioned eccentric structures are 1. the first bias (12) of being formed of valve seat center and valve shaft center; 2. the second bias (13) of being formed of valve body plane and valve shaft center; 3. the three eccentricity (14) that formed of center, valve plate hole and valve seat center; 4. the taper the 4th bias (15) that formed of lamination and valve seat center.
3. four-dimensional four eccentric sealed butterfly valves according to claim 2, is characterized in that: valve shaft diameter increases by 30% on original basis.
4. four-dimensional four eccentric sealed butterfly valves according to claim 2, is characterized in that: lamination thickness increases by 30% on original basis, and specific pressure also increases by 30%.
5. four-dimensional four eccentric sealed butterfly valves according to claim 2, it is characterized in that: between the valve seat section of valve plate and valve body, four sections perpendicular with valve shaft on the direction of 360 ° are all tilted conical surfaces, wherein b-b ', d-d ' angle symmetrical and identical, a-a ' angle is within the scope of 16 ° ~ 24 °, with valve aperture size variation, it is 1 ° that c-c ' angle [alpha] immobilizes.
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CN201510858840.6A CN105299243A (en) | 2015-12-01 | 2015-12-01 | Four-dimensional four-eccentric unidirectional and bidirectional sealing butterfly valve |
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CN201510858840.6A CN105299243A (en) | 2015-12-01 | 2015-12-01 | Four-dimensional four-eccentric unidirectional and bidirectional sealing butterfly valve |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108006236A (en) * | 2017-11-13 | 2018-05-08 | 雷蒙德(北京)科技股份有限公司 | Metallic seal butterfly valve |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN200958615Y (en) * | 2006-10-10 | 2007-10-10 | 傅慧 | Four-dimensional and eccentric sealed butterfly valve |
CN200958614Y (en) * | 2006-10-10 | 2007-10-10 | 黄一立 | Four-dimensional and eccentric sealed butterfly valve |
CN102141156A (en) * | 2011-03-31 | 2011-08-03 | 西华大学 | Four eccentric butterfly valve and design method |
CN103759025A (en) * | 2013-10-08 | 2014-04-30 | 萨姆森控制设备(中国)有限公司 | Four-eccentric butterfly valve and sealing ring |
JP5586023B2 (en) * | 2010-11-18 | 2014-09-10 | 株式会社ササクラ | Butterfly valve and seat ring |
-
2015
- 2015-12-01 CN CN201510858840.6A patent/CN105299243A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200958615Y (en) * | 2006-10-10 | 2007-10-10 | 傅慧 | Four-dimensional and eccentric sealed butterfly valve |
CN200958614Y (en) * | 2006-10-10 | 2007-10-10 | 黄一立 | Four-dimensional and eccentric sealed butterfly valve |
JP5586023B2 (en) * | 2010-11-18 | 2014-09-10 | 株式会社ササクラ | Butterfly valve and seat ring |
CN102141156A (en) * | 2011-03-31 | 2011-08-03 | 西华大学 | Four eccentric butterfly valve and design method |
CN103759025A (en) * | 2013-10-08 | 2014-04-30 | 萨姆森控制设备(中国)有限公司 | Four-eccentric butterfly valve and sealing ring |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108006236A (en) * | 2017-11-13 | 2018-05-08 | 雷蒙德(北京)科技股份有限公司 | Metallic seal butterfly valve |
CN108006236B (en) * | 2017-11-13 | 2020-08-21 | 河北雷蒙德阀门制造有限公司 | Metal sealing butterfly valve |
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Application publication date: 20160203 |