CN201034244Y - Lock belt embedded quick-opening blind plate - Google Patents
Lock belt embedded quick-opening blind plate Download PDFInfo
- Publication number
- CN201034244Y CN201034244Y CNU2007200118278U CN200720011827U CN201034244Y CN 201034244 Y CN201034244 Y CN 201034244Y CN U2007200118278 U CNU2007200118278 U CN U2007200118278U CN 200720011827 U CN200720011827 U CN 200720011827U CN 201034244 Y CN201034244 Y CN 201034244Y
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- blind plate
- quick
- lock
- keel
- connecting rod
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Abstract
The utility model relates to a lock-belt embedded quick-opening blind plate, comprising a direct pressure-bearing part, which in turn comprises flange cylinder and a blind plate; the utility model is characterized in also comprising a quick-opening lock-belt tightening part, an expansion sealing ring, a safe pressure relief part and a fine tuning tumbler,; the quick-opening lock-belt tightening part comprises at least eight keels, seven of which are inlaid in the metallic and elastic steeling ring and a keel is connected with the safe pressure relief bolt of the safe pressure relief part. The technical proposal is that the lock-belt tightening part drives the cone type metallic and elastic steeling ring to furl and expand, so as to enable the seven keels to furl and expand with the steeling ring and slide out from the caulking groove or embed in the caulking groove to open quickly. By combining the current situation and adopting expansion sealing ring and the lock-belt embedded part, the utility model has the advantages of reasonable structure, simple operation, flexible movement, safety and reliability, and the ability to bear larger pressure; therefore, the utility model is an ideal product applicable for the quick-open blind plate used in large-caliber and high-pressure pipeline in the field of pressure vessel and petrochemical processing.
Description
Technical field:
The utility model relates to a kind of fast-opening blind, and particularly a kind of lock band embedded quick-opening blind plate is mainly used in pressurized container, and petrochemical industry heavy caliber, high pressure pipeline belong to machine-building and applied technical field.
Background technique:
At present, with in the fast-opening blind of pressurized container, two types fast open form formula is generally arranged, that is: faucet type and clamp band type in petrochemical industry.The fast-opening blind of above-mentioned two kinds of structures is because the birth defect in the design in using at the scene, can not reach the requirement that changes up the pass soon.The pressure of carrying is also limited.Wherein the faucet type blind plate is because the axial force that produces by thread engagement makes the distortion of O type circle, thereby realizes sealing effect, makes the process for machining complexity, and caliber is when surpassing 600MM, and screw thread can't be processed at all.During work, open, close that to apply moment of torsion excessive, for a long time need not, even cause the screw thread gummed, can not open.The performance characteristic of clamp band type blind plate is by two or more clips the outward edge of door closure and cylindrical shell tightly to be killed, make seal ring produce distortion, thereby realize sealing, this just makes the scope of its bearing pressure reduce greatly, can bear the pressure of 10Mpa at most, and when opening and closing, needing special instrument compresses door closure and cylindrical shell, by clip the outward edge of door closure and cylindrical shell is fixed again, so operate loaded down with trivial details, and too high requirement on machining accuracy.The outer peripheral degree of finish of door closure and cylindrical shell and coaxality require extremely strict.
Above-mentioned two kinds of fast-opening blinds assembling is trouble extremely all, and problem is continuous when removing and installing again, and the working life of 0 type circle is also very low, clamp band type blind plate particularly, and O type circle often is extruded above plastic deformation final replacing owing to break away from seal groove.Therefore, faucet type and clamp band type fast-opening blind exist complex structure, and processing difficulties is operated loaded down with trivial detailsly, safeguards inconvenient shortcoming.
Along with petrochemical industry with pipeline gradually to the development of heavy caliber, high pressure direction, also more and more higher to the requirement of fast-opening blind, and above-mentioned two types fast-opening blind can not be satisfied with the needs of this high pressure, heavy caliber pressure piping far away.Under this situation, be badly in need of developing a kind of fast-opening blind that heavy caliber, high pressure pipeline are used that is suitable for.
Summary of the invention:
The purpose of this utility model is at above-mentioned the deficiencies in the prior art, and provide a kind of rational in infrastructure, simple to operate, safe and reliable, be suitable for heavy caliber, high pressure pipeline lock band embedded quick-opening blind plate, this fast-opening blind can be welded on the pressurized container, plays sealing, opens soon, the effect of quick closing valve.
For achieving the above object, the utility model adopts following technical proposals: lock band embedded quick-opening blind plate, comprise direct pressure-containing member, and directly pressure-containing member is made of flange type cylindrical shell and blind plate.It also comprises quick lock band take-up, inflatable seal circle, safe unloading pressure parts and fine-tuning pivoted arm.Described quick lock band take-up is made of at least eight keel, and wherein seven keel are embedded on the tapered metallic elastic steel ring, and keel are connected with safe unloading pressure screw in the safe unloading pressure parts.The two ends of described tapered metallic elastic steel ring are connected with the connecting rod tightener, and the connecting rod tightener is welded on the metallic elastic steel ring; Described inflatable seal circle is formed by fluorine rubber and spring cast; Described fine setting pivoted arm connects cylindrical shell and blind plate lid; Described safe unloading pressure parts are made of an assembly welding fitting and safe double-screw bolt, and weldment is welded by a metal pleated sheet of being with the independent keel and of the common pressure-bearing of take-up to be enclosed within on the safe double-screw bolt with lock.
Above-mentioned Expansion sealing circle is a U type structure;
Above-mentioned fine setting pivoted arm is connected with the blind plate lid by fine-tuning nut, fine-tuning pivoted arm makes the blind plate lid be connected with cylindrical shell, when blind plate covers after assembling the time makes it coaxality with cylindrical shell for various reasons and exceeds allowed band, can calibrate by the fine-tuning nut on the fine-tuning pivoted arm.
Above-mentioned safety relief screw is installed in blind plate and covers;
Seven keel on the above-mentioned quick lock band take-up are connected with tapered metallic elastic steel ring by screw.
Technological points of the present utility model is: described lock band take-up is made of tapered metallic elastic steel ring, keel and connecting rod tightener.Drive tapered metallic elastic steel ring by the connecting rod tightener and draw in or expanding, with screw evenly be fixed on this steel ring main pressure-containing member---seven keel follow steel ring to draw in or expanding, skid off or embed in the caulking groove of cylindrical shell.
The utility model is in conjunction with the present situation of pressure piping, take into full account on-site actual situations and existing machine adds ability, U type inflatable seal circle and lock band built in items have been adopted, make that this product structure is reasonable, simple to operate, flexible movements, safe and reliable, good sealing effect, and can bear bigger pressure, be the ideal product that pressurized container and petrochemical industry heavy caliber, high pressure pipeline are used fast-opening blind mechanism.
Description of drawings:
Fig. 1 is a plan view of the present utility model.
Fig. 2 is a sectional view of the present utility model.
Fig. 3 is that axle of the present utility model is surveyed view.
Fig. 4 is that the axle of the quick lock band take-up in the utility model is surveyed view.
Sequence number is described as follows among the figure: 1, flange type cylindrical shell; 2, blind plate lid; 3, hinged support; 4, hole pendulum; 5, connecting rod; 6, safe double-screw bolt; 7, metal pleated sheet; 8, welding keel; 9, extension lever; 10, tapered metallic elastic steel ring; 11, screw assembly; 12, keel; 13, positioning hole seat; 14, holding down bolt; 15, positioning plate; 16, bearing support; 17, pivoted arm; 18, ring-like support; 19, fine-tuning nut; 20, bearing; 21, inflatable seal circle.
Embodiment:
Embodiment
Describe concrete structure of the present utility model and working procedure in detail according to Fig. 1-4.Lock band embedded quick-opening blind plate comprises direct pressure-containing member (flange type cylindrical shell 1 and blind plate lid 2), the quick fine-tuning pivoted arm of locking band take-up, safe unloading pressure parts, inflatable seal circle 21 and connecting blind plate lid and cylindrical shell.
Above-mentioned quick take-up is made of tapered metallic elastic steel ring 10, keel 12, screw assembly 11, hinged support 3, hole pendulum 4, connecting rod 5.Wherein keel 12 have seven, are fixed on the tapered metallic elastic steel ring 10 by screw assembly 11.Two hinged supports 3 are fixed on the two ends of tapered metallic elastic steel ring 10.Porose pendulum 4 is installed in one of them hinged support 3, is connected by the hinged support 3 of connecting rod 5 and another.So just form a connecting rod tightener jointly by hinged support 3, hole pendulum 4, connecting rod 5, by rotating counterclockwise (original state such as Fig. 4) behind the extension lever 9 patchholes pendulum 4, two hinged supports 3 are just to drawing close together, thereby tighten up tapered metallic elastic steel ring 10, keel 12.Behind about 180 degree of extension lever 9 rotations, the connecting rod tightener of being made up of jointly hinged support 3, hole pendulum 4, connecting rod 5 has been in a dead center position, and tapered metallic elastic steel ring 10 is also closed fully simultaneously.Otherwise, want to allow quick take-up spreading, only need extension lever 9 counterrotatings to get final product.
Described lock band take-up is the assembly parts of a complexity, and crucial pressure-containing member is the keel that are embedded on the tapered metallic elastic steel ring, and the effect of tapered metallic elastic steel ring is fixing keel loose mail, draws in or expanding keel loose mail.What this design made that the opening and closing of this fast-opening blind need overcome is the elastic force of tapered metallic elastic steel ring, compares and other forms of pressure vessel gate, more laborsaving, is not stressed and the restriction of caliber, and the moment of torsion maximum is no more than 50NxM.
Described seal ring is the inflatable seal circle of the pressure-bearing pattern design of special mechanism for this reason, form by fluorine rubber and spring casting, long service life, bearing pressure is big, realize axial seal in the working procedure, do not make it to compress distortion but initially do not need to apply axial force, when in the cylindrical shell pressure being arranged in work, special seal ring can expand voluntarily, thereby gets sealing effect.Just because of this special sealing mechanism, make lock be with take-up, when gathering or expanding, what overcome is the elastic force of tapered metallic elastic steel ring, reaches the labour-saving purpose.This sealing mechanism makes that the life-span of seal ring is longer, also is more suitable for the use of high-pressure bottle.
Above-mentioned safe unloading pressure parts are made of an assembly welding fitting and safe double-screw bolt 6, and weldment is welded by a metal pleated sheet 7 of being with the independent welding keel 8 and of the common pressure-bearing of take-up to be enclosed within on the safe double-screw bolt with lock.After safe double-screw bolt 6 is screwed down from, blind plate lid 2, take off (safe double-screw bolt 6 links to each other with flange type cylindrical shell 1 by an elongated iron chains, in case the safe unloading pressure loss of parts of taking off) together with 8 one of welding keel from the utility model by metal pleated sheet 7.
Above-mentioned fine-tuning pivoted arm parts are made up of pivoted arm 17, bearing support 16, holding down bolt 14, positioning plate 15, positioning hole seat 13, fine-tuning nut 19, bearing 20 and some standard piece.Pivoted arm 17 connects by bearing support 16, positioning plate 15, holding down bolt 14 and some standard piece, is fixed in the ring-like support 18, and ring-like support 18 is welded on the flange type cylindrical shell 1.The other end of pivoted arm 17 be connected with positioning hole seat 13, fine-tuning nut 19, bearing 20 and some standard piece, be fixed on the blind plate lid 2.After blind plate lid 2 makes it coaxality with cylindrical shell 1 during in assembling for various reasons and exceeds allowed band, can calibrate by the fine-tuning nut on the fine-tuning pivoted arm 19.
Described fine-tuning pivoted arm makes blind plate lid be connected with cylindrical shell, after blind plate covers the coaxality that makes it for various reasons when assembling with cylindrical shell and exceeds allowed band, can calibrate by the fine-tuning nut on the fine-tuning pivoted arm.This design reduces the requirement on machining accuracy of each part, and interchangeability is good, reinstalling after the suitable dismounting.
By turning the safe double-screw bolt on the safety dumping parts, drive metal pleated sheet and the keel that are welded on the tinsel take out in the caulking groove of cylindrical shell, then by the linkage mechanism on the tightening lock tape member, thereby the lock band are all skidded off in the caulking groove of cylindrical shell.Finally reach and open effect soon.When closing fast-opening blind, only need the blind plate lid is pushed in the cylindrical shell, once more by the linkage mechanism on the lock tape member, make lock band expanding, embed in the caulking groove of cylindrical shell.At last the safe double-screw bolt that has keel is screwed and get final product.When in the cylindrical shell pressure being arranged, special seal ring can expand voluntarily, thereby gets sealing effect.
The action of lock band take-up realizes it being to reach by the linkage mechanism that is welded on the tapered metallic elastic steel ring, and this linkage mechanism can produce locking phenomenon, thereby makes not expanding voluntarily of the tapered metallic elastic steel ring that tightens up.Integral body is also just compact, easy and simple to handle more when work.Participate in pressure-bearing directly with keel that combine the safe unloading pressure parts of safety double-screw bolt, pressure is slightly arranged in the cylindrical shell, keel and safe double-screw bolt just can not take out, and make that the use of this pressure vessel gate is safer.
Because the effect between door closure and the cylindrical shell is to embed in the cylindrical shell groove by the keel on the lock band take-up, after expanding, seal ring makes the extruding realization of keel top and bottom and door closure and cylindrical shell, make the mismatch error of door closure and cylindrical shell to maximize, thereby realize to greatest extent that mach precision reduces and convenient and swift during assembling.
Concrete working procedure is as follows:
Close closed procedure:
Opening process:
Turn on safe double-screw bolt release, when internal pressure is 0, the welding keel that attach on the safety double-screw bolt are taken out with the safety double-screw bolt, in extension lever 9 patchholes pendulum 4, be rotated counterclockwise, tapered metallic elastic steel ring 10 is shunk, detach in the caulking groove, draw in fully up to tapered metallic elastic steel ring 10.Blind plate lid 2 is pulled out in flange type cylindrical shell 1, and work finishes.
Claims (6)
1. lock band embedded quick-opening blind plate, comprise direct pressure-containing member, directly pressure-containing member is made of flange type cylindrical shell and blind plate, it is characterized in that: it also comprises quick lock band take-up, the inflatable seal circle, safe unloading pressure parts and fine-tuning pivoted arm, described quick lock band take-up is made of at least eight keel, wherein seven keel are embedded on the tapered metallic elastic steel ring, keel are connected with safe unloading pressure screw in the safe unloading pressure parts, the two ends of described tapered metallic elastic steel ring are connected with the connecting rod tightener, and the connecting rod in the connecting rod tightener is welded on the metallic elastic steel ring; Described inflatable seal circle is formed by fluorine rubber and spring cast; Described fine setting pivoted arm connects cylindrical shell and blind plate lid; Described safe unloading pressure parts are made of an assembly welding fitting and safe double-screw bolt, and weldment is welded by a metal pleated sheet of being with the independent keel and of the common pressure-bearing of take-up to be enclosed within on the safe double-screw bolt with lock.
2. lock band embedded quick-opening blind plate according to claim 1, it is characterized in that: described connecting rod tightener, comprise hinged support, hole pendulum, connecting rod, two hinged supports are fixed on the two ends of tapered metallic elastic steel ring, porose pendulum is installed in one of them hinged support, be connected connecting rod tightener of so just common composition by the hinged support of connecting rod and another.
3. lock band embedded quick-opening blind plate according to claim 1 is characterized in that: described Expansion sealing circle is a U type structure.
4. lock band embedded quick-opening blind plate according to claim 1 is characterized in that: described fine setting pivoted arm is connected with the blind plate lid by fine-tuning nut.
5. lock band embedded quick-opening blind plate according to claim 1 is characterized in that: described safety relief screw is installed in blind plate and covers.
6. lock band embedded quick-opening blind plate according to claim 1 is characterized in that: seven keel on the described quick lock band take-up are connected with tapered metallic elastic steel ring by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200118278U CN201034244Y (en) | 2007-04-24 | 2007-04-24 | Lock belt embedded quick-opening blind plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200118278U CN201034244Y (en) | 2007-04-24 | 2007-04-24 | Lock belt embedded quick-opening blind plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201034244Y true CN201034244Y (en) | 2008-03-12 |
Family
ID=39195135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200118278U Expired - Fee Related CN201034244Y (en) | 2007-04-24 | 2007-04-24 | Lock belt embedded quick-opening blind plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201034244Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102037272B (en) * | 2008-04-18 | 2012-10-03 | 佩里设备公司 | Closures for equipment subassemblies |
-
2007
- 2007-04-24 CN CNU2007200118278U patent/CN201034244Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102037272B (en) * | 2008-04-18 | 2012-10-03 | 佩里设备公司 | Closures for equipment subassemblies |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 Termination date: 20100424 |