CN206234372U - The special butterfly valve of desulfurization - Google Patents
The special butterfly valve of desulfurization Download PDFInfo
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- CN206234372U CN206234372U CN201621186271.1U CN201621186271U CN206234372U CN 206234372 U CN206234372 U CN 206234372U CN 201621186271 U CN201621186271 U CN 201621186271U CN 206234372 U CN206234372 U CN 206234372U
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- valve
- glossal canal
- valve rod
- valve seat
- driving wheel
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Abstract
The utility model discloses the special butterfly valve of desulfurization, its valve rod runs through valve body, and inside is additionally provided with valve shaft, and one end is connected to one end of valve body by a glossal canal formula valve seat and long bushing, and the other end connects driving wheel by another glossal canal formula valve seat and short bushing；Each glossal canal formula valve seat includes a glossal canal chamber, and it is trapezoidal seal that a cross section is provided with glossal canal chamber；Valve rod is connected by the woodruff key or Woodruff key slots and keyways near the one end of driving wheel with driving wheel；Valve rod is provided with outer hexahedron type structure at two positions of glossal canal formula valve seat.The special butterfly valve of desulfurization of the present utility model, ensure that the center of butterfly valve is more accurate, reduce butterfly valve moment of torsion simultaneously, valve plate material uses the two-way stainless steel of pure import, 2507/1.4529, and valve base sealing uses EPDM ethylene propylene diene rubbers, they must are fulfilled for corrosion-resistant, wear-resistant, what time resistance to erosion etc. requires, coordinates tight with valve seat, with good sealing property, valve rod and valve plate junction No leakage.
Description
Technical field
The utility model relates to butterfly valve and technical field, the more particularly to special butterfly valve of desulfurization.
Background technology
Without pin butterfly valve because using being gained the name without the technique of pin connection at valve plate connection valve shaft, instead of transmission butterfly
Valve has the technique of pin connection, and the valve shaft for being greatly reduces the probability being corroded in media as well without Anywhere exposed, extends
The life-span of butterfly valve, and be driven more reliable.
Without pin butterfly valve be opened, closed and adjusted fluid passage with 90 degree or so of disc type opening and closing element reciprocating rotating one
Plant valve.It is not only simple in structure without pin butterfly valve, small volume, lightweight, material consumption are saved, installation dimension is small, and driving moment
It is small, it is easy to operate, rapid, it is in recent ten years while also there is good flow regulating function and sealing characteristics are closed
One of valve kind with fastest developing speed.
As a kind of for realizing the part that pipe-line system break-make and flow are controlled, in oil, chemical industry；Metallurgical, water
Electricity etc. obtains extremely wide application in many fields.
But its in use general leakage than more serious, the precision of butterfly valve control is nor highly desirable.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides the special butterfly valve of desulfurization, its object is to make
The center of butterfly valve is more accurate, is not in leak, and portable construction, can install at an arbitrary position, transports, installs dimension
Repair conveniently, while reducing butterfly valve moment of torsion, in high precision, polished treatment coordinates tight, with good sealing to valve plate with valve seat
Energy, valve rod and valve plate junction No leakage.
The technical scheme that the utility model is used is：The special butterfly valve of desulfurization, including rear stifled, long bushing, valve body, glossal canal formula
Valve seat, valve shaft, valve rod, short bushing and O-ring, valve rod, through valve body, inside is additionally provided with valve shaft, and one end passes through a glossal canal formula
Valve seat and long bushing are connected to one end of valve body, and the other end is connected by another glossal canal formula valve seat and short bushing, O-ring and driven
Wheel；Each glossal canal formula valve seat includes a glossal canal chamber, and it is trapezoidal seal, seal that a cross section is provided with glossal canal chamber
Free end be connected with valve body, and glossal canal formula valve seat and valve body compress seal in compressive state, the pressure of seal all the time
Contracting amount is not less than 1mm；Valve rod is additionally provided with woodruff key or Woodruff key slots and keyways near the one end of driving wheel, valve rod by the woodruff key or
Woodruff key slots and keyways are connected with driving wheel；Valve rod is provided with outer hexahedron type structure, valve body pair at two positions of glossal canal formula valve seat
Answer and be provided with interior hexahedron shape chamber at each outer hexahedron type locations of structures.
Further, valve rod is additionally provided with circlip for shaft and circlip for hole with the junction of driving wheel.
Further, woodruff key or Woodruff key slots and keyways are located at the end of valve rod, circlip for shaft and circlip for hole
Set near one end of glossal canal formula valve seat positioned at valve rod；Glossal canal formula valve seat is made up of EPDM ethylene propylene diene rubbers, and valve rod two-phase is not
Rust steel 2507 or two phase stainless steel 1.4529 are made, wear-resisting, resistance to erosion, resistance to particulate matter, with good anti-wear performance.
Further, the glossal canal chamber surface of each glossal canal formula valve seat is symmetrically provided with some connecting holes, every a pair of connections
Hole passes through a bolt.
Further, the distal portion for being connected by screw and long bushing one end being located in valve rod is blocked up afterwards.
Further, stem exterior surface scribbles epoxy coating.
Further, driving wheel be handle, turbine drives, it is electric and pneumatic in one kind.
Compared with prior art, the beneficial effects of the utility model are：1. valve shaft is that, without pin connection, bottom passes with valve body
It is dynamic, make the center of dish valve more accurate, be not in leak, and portable construction, can install at an arbitrary position, transport,
It is convenient to install and maintain；
2. overall stem structure, valve rod is sphere-contact with valve base sealing so that moment of torsion is greatly reduced, valve plate in high precision,
Polished treatment, coordinates tight with valve seat, with good sealing property, valve rod and valve plate junction No leakage.90 ° of keyings,
Switch is rapid, and operation moment of torsion is small, laborsaving light and handy；
3. soft seal, zero leakage, long service life, choked flow coefficient is small, negotiability is big, regulation performance is good；
4.2507/1.4529 two phase stainless steel valve, anticorrosive, wear-resistant；
5. surface epoxy coating is anti-corrosion, attractive in appearance；
6. type of drive may be selected handle, turbine, electronic, pneumatic.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the special butterfly valve of desulfurization；
Fig. 2 is the overall outline structural representation of the embodiment of Fig. 1；
Fig. 3 is the three dimensional structure diagram of one embodiment of the glossal canal formula valve seat of the embodiment of Fig. 1；
Fig. 4 is the half sectional view of the three dimensional structure diagram of the embodiment of Fig. 1；
Fig. 5 is the anti-partial enlargement structural representation for going out design of the embodiment of Fig. 1；
Wherein：Blocked up after 1-, 2- long bushings, 3- valve bodies, hexahedron shape chamber in 31-；4- glossal canal formula valve seats, 41- glossal canals chamber,
42- connecting holes, 43- bolts；5- valve shafts, 6- valve rods, the outer hexahedron type structures of 61-；The short bushings of 7-, 8-O type circles, 9- axles elasticity
Back-up ring, 10- circlip for holes, 11- woodruff keies or Woodruff key slots and keyways, 12- seals, 13- driving wheels, 14- screws.
Specific embodiment
In order to deepen to understanding of the present utility model, with reference to the accompanying drawings and examples to the utility model furtherly
Bright, the embodiment is only used for explaining the utility model, protection domain of the present utility model is not constituted and is limited.
As depicted in figs. 1 and 2, the special butterfly valve of desulfurization, including rear stifled 1, long bushing 2, valve body 3, glossal canal formula valve seat 4, valve shaft
5th, valve rod 6, short bushing 7 and O-ring 8, valve rod 6, through valve body 3, inside is additionally provided with valve shaft 5, and one end passes through a glossal canal formula valve
Seat 4 and long bushing 2 are connected to one end of valve body 3, and the other end is connected by another glossal canal formula valve seat 4 and short bushing 2, O-ring 8
Driving wheel 13；Each glossal canal formula valve seat 4 includes a glossal canal chamber 41, and it is trapezoidal close that cross section is provided with glossal canal chamber 41
Sealing 12, the free end of seal 12 is connected with valve body 3, and seal 12 is compressed and is in by glossal canal formula valve seat 4 all the time with valve body 3
Compressive state, the decrement of seal 12 is not less than 1mm；Valve rod 6 is additionally provided with woodruff key or half near the one end of driving wheel 13
Round key groove 11, valve rod 6 is connected by the woodruff key or Woodruff key slots and keyways 11 with driving wheel 13；Valve rod 6 is close to the two of glossal canal formula valve seat 4
Outer hexahedron type structure 61 is provided with individual position, Fig. 2 and Fig. 4, each outer position of hexahedron type structure 61 of the correspondence of valve body 3 is referred to
Place is provided with interior hexahedron shape chamber 31.
As shown in Fig. 1 and Fig. 4, Fig. 5, valve rod 6 is additionally provided with circlip for shaft 9 and hole bullet with the junction of driving wheel 13
Property back-up ring 10.Woodruff key or Woodruff key slots and keyways 11 are located at the position of the end of valve rod 6, circlip for shaft 9 and circlip for hole 10
Set near one end of glossal canal formula valve seat 4 in valve rod 6.So as to play a part of to prevent valve rod from going out valve body, with preferably making
Use switching performance.Glossal canal formula valve seat 4 is made up of EPDM ethylene propylene diene rubbers, the two phase stainless steel 2507 of valve rod 6 or two-phase stainless
Steel 1.4529 is made, wear-resisting, resistance to erosion, resistance to particulate matter, with good anti-wear performance.
As described in Figure 3, the surface of glossal canal chamber 41 of each glossal canal formula valve seat 4 is symmetrically provided with some connecting holes 42, each
To connecting hole 42 by a bolt 43, so as to ensure that seal 12 can be connected in glossal canal chamber 41 well, it is ensured that any
When all have preferable sealing property, meanwhile, the bolt fastening structure, when seal ground rice performance reduction after can remove
Bolt quick-replaceable.
In Fig. 1 it can also be seen that, afterwards block up 1 by screw 14 be connected to valve rod 6 positioned at the one end of long bushing 2 terminal part
Position, it is ensured that other end has preferable bonding strength, and the anti-performance gone out.
In the above-described embodiments, the outer surface of valve rod 6 scribbles epoxy coating, anti-corrosion, attractive in appearance.
In the above-described embodiments, driving wheel 13 be handle, turbine drives, it is electric and pneumatic in one kind, no matter any
Power drive has preferable using effect.
The special butterfly valve of desulfurization of the present utility model, its structure is to connect without pin first by valve shaft and valve design in design
Connect, bottom driving, make the center of dish valve more accurate, be not in leak, and portable construction, can pacify at an arbitrary position
Dress, transport, it is convenient to install and maintain.
Secondly, the special butterfly valve of desulfurization of the present utility model, overall stem structure, valve rod is sphere-contact with valve base sealing,
So that moment of torsion is greatly reduced, in high precision, polished treatment coordinates tight, with good sealing property, valve rod to valve plate with valve seat
With valve plate junction No leakage.90 ° of keyings, switch is rapid, and operation moment of torsion is small, laborsaving light and handy.Soft seal, zero leakage, use the longevity
Life length, choked flow coefficient is small, negotiability is big, regulation performance is good and with preferable anticorrosive, wear-resistant.
What embodiment of the present utility model was announced is preferred embodiment, but is not limited thereto, the common skill of this area
Art personnel, easily according to above-described embodiment, understand spirit of the present utility model, and make different amplifications and change, but as long as
Spirit of the present utility model is not departed from, all in protection domain of the present utility model.
Claims (7)
1. the special butterfly valve of desulfurization, it is characterised in that：Including rear stifled（1）, long bushing（2）, valve body（3）, glossal canal formula valve seat（4）, valve
Axle（5）, valve rod（6）, short bushing（7）And O-ring（8）,
The valve rod（6）, through valve body（3）, inside is additionally provided with valve shaft（5）, one end passes through a glossal canal formula valve seat（4）Served as a contrast with long
Set（2）It is connected to valve body（3）One end, the other end pass through another glossal canal formula valve seat（4）With short bushing（2）, O-ring（8）Even
Connect driving wheel（13）；
Each described glossal canal formula valve seat（4）Including a glossal canal chamber（41）, the glossal canal chamber（41）Inside it is provided with a cross section
It is trapezoidal seal（12）, seal（12）Free end and valve body（3）Connection, and glossal canal formula valve seat（4）With valve body（3）
By seal（12）All the time compression is in compressive state, the seal（12）Decrement be not less than 1mm；
The valve rod（6）Near driving wheel（13）One end be additionally provided with woodruff key or Woodruff key slots and keyways（11）, the valve rod（6）It is logical
Cross the woodruff key or Woodruff key slots and keyways（11）With driving wheel（13）Connection；
The valve rod（6）Near glossal canal formula valve seat（4）Two positions at be provided with outer hexahedron type structure（61）, the valve body
（3）Corresponding each outer hexahedron type structure（61）Interior hexahedron shape chamber is provided with position（31）.
2. the special butterfly valve of desulfurization according to claim 1, it is characterised in that：The valve rod（6）With driving wheel（13）Company
The place of connecing is additionally provided with circlip for shaft（9）And circlip for hole（10）.
3. the special butterfly valve of desulfurization according to claim 2, it is characterised in that：The woodruff key or Woodruff key slots and keyways（11）It is located at
Valve rod（6）End, circlip for shaft（9）And circlip for hole（10）Positioned at valve rod（6）Near glossal canal formula valve seat（4）
One end set；The glossal canal formula valve seat（4）It is made up of EPDM ethylene propylene diene rubbers, valve rod（6）Two phase stainless steel 2507 or
Two phase stainless steel 1.4529 is made.
4. the special butterfly valve of desulfurization according to claim 1, it is characterised in that：Each glossal canal formula valve seat（4）Glossal canal chamber
（41）Surface is symmetrically provided with some connecting holes（42）, every a pair of connecting holes（42）By a bolt（43）.
5. the special butterfly valve of desulfurization according to claim 1, it is characterised in that：It is stifled after described（1）By screw（14）Connection
In valve rod（6）Positioned at long bushing（2）The distal portion of one end.
6. the special butterfly valve of desulfurization according to claim 1-3 or 5 any one, it is characterised in that：The valve rod（6）Appearance
Face scribbles epoxy coating.
7. the special butterfly valve of desulfurization according to claim 1-2 any one, it is characterised in that：The driving wheel（13）It is hand
Handle, turbine drives, it is electric and pneumatic in one kind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621186271.1U CN206234372U (en) | 2016-10-28 | 2016-10-28 | The special butterfly valve of desulfurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621186271.1U CN206234372U (en) | 2016-10-28 | 2016-10-28 | The special butterfly valve of desulfurization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206234372U true CN206234372U (en) | 2017-06-09 |
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ID=58991029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621186271.1U Active CN206234372U (en) | 2016-10-28 | 2016-10-28 | The special butterfly valve of desulfurization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206234372U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286864A (en) * | 2016-10-28 | 2017-01-04 | 雷力（苏州）阀门有限公司 | The special butterfly valve of desulfurization |
-
2016
- 2016-10-28 CN CN201621186271.1U patent/CN206234372U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286864A (en) * | 2016-10-28 | 2017-01-04 | 雷力（苏州）阀门有限公司 | The special butterfly valve of desulfurization |
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