CN110307353A - Sealing structure, sealing system and slide valve - Google Patents
Sealing structure, sealing system and slide valve Download PDFInfo
- Publication number
- CN110307353A CN110307353A CN201910518636.8A CN201910518636A CN110307353A CN 110307353 A CN110307353 A CN 110307353A CN 201910518636 A CN201910518636 A CN 201910518636A CN 110307353 A CN110307353 A CN 110307353A
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- 238000007789 sealing Methods 0.000 title claims abstract description 174
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 47
- 239000010959 steel Substances 0.000 claims abstract description 47
- 238000009434 installation Methods 0.000 claims abstract description 19
- 230000007704 transition Effects 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 description 30
- 238000010586 diagram Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000269799 Perca fluviatilis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013475 authorization Methods 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
- 238000005336 cracking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0227—Packings
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of sealing structure, sealing system and slide valve, including two channel steels, there is spacing between two channel steels and form a sealing area；Seal assembly is set in sealing area, and two first seals identical including structure and mirror settings, the first seal includes at least one arc seal section and the installation seal section for being connected to arc seal section one end；Wherein, a seal chamber is formed between the first seal and channel steel, installation seal section is connect with channel steel, in between two arc seal sections of mirror settings there are gap and formed for flashboard intert sealing sliding slot, the arc seal section, which has, contradicts the sealing to form linear sealing with gate panel surface, the sealing has always toward the movement tendency far from channel steel side, realizes the linear sealing with flashboard by sealing, improves the leakproofness of valve.
Description
Technical field
The present invention relates to the technical fields of valve, more particularly, to a kind of sealing structure, sealing system and slide valve.
Background technique
A seed type of the slide valve as valve, be usually used in that bore is biggish rectangular or circular pipeline on, and to
The circulation of medium in cutting/opening conduits, using especially extensively particularly in chemical field.Such as in field of thermal power
In, generated flue gas can be flowed through in each device by pipeline in coal-fired or Refuse Incineration Process, and in flue
It is just provided with slide valve, for cutting off flue gas in the circulation of pipeline, and then reaches the orderly of each equipment and is safely operated.Such as it awards
Power notification number be disclosed in the patent of CN206018661U " dress is automatically continuously discharged in a kind of boiler back end ductwork ash bucket dust stratification
Set ", as soon as being connected with an ash conveying pipe on boiler back end ductwork, manual and pneumatic gate valve is provided on ash conveying pipe,
For cutting off the circulation of dust stratification and flue gas in ash conveying pipe.
Existing slide valve structural reference Authorization Notice No. is the patent of CN208670111U, mainly includes valve body, plate
And screw rod, plate are worn in valve body, the threaded one end of screw rod is connected with screw, and screw is connect with plate.When the valve works, silk
Original place rotation occurs for bar, and screw can occur to go up and down and then drive the lifting of plate along screw rod, and plate realizes in lifting process
The opening and closing of valve port in valve body.To improve the leakproofness at plate and valve body slides position, it will usually sealing structure is set, it is existing
Sealing structure is as disclosed in above-mentioned patent, including gasket and pressed seat, gasket are mounted in fixing seat, pressed seat
It is connected to the top of gasket, gasket is tightly attached to the two sides of plate, by the adjusting of bolt so that pressed seat compression seal pad,
To realize the sealing between plate and valve body.
After mainly compressing by gasket radial dilatancy occurs for the sealing principle of above-mentioned sealing structure, reduce with
Gap between pressed seat and plate reaches sealing effect in turn.But gasket is often made of elastic material, in addition for a long time
Compressive deformation is easy to happen aging and generates cracking, can gradually reduce the leakproofness of entire valve body.
Summary of the invention
The first purpose of the invention is to provide a kind of sealing structures, have preferable leakproofness and service life.
Foregoing invention purpose of the invention has the technical scheme that
A kind of sealing structure, comprising:
Two channel steels have spacing between two channel steels and form a sealing area；
Seal assembly is set in sealing area, two first seals identical including structure and mirror settings, first sealing
Part includes at least one arc seal section and the installation seal section for being connected to arc seal section one end；
Wherein, a seal chamber is formed between the first seal and channel steel, it is in mirror settings that installation seal section is connect with channel steel
Two arc seal sections between there are gap and formed for flashboard intert sealing sliding slot, the arc seal section has and flashboard
Surface contradicts the sealing to form linear sealing, and the sealing has always toward the movement tendency far from channel steel side.
By using above-mentioned technical proposal, the first seal of two mirror settings forms a wafer type arrangement, and flashboard exists
Two first seals to sealing effect is played under folder effect, specific first seal includes that installation seal section and arc are close
Section is sealed, installation seal section is connect with channel steel, plays the sealing effect between channel steel and first seal, close in arc seal section
Line contact sealing is utilized between envelope portion and flashboard, i.e., the sealing between first seal and flashboard is realized in linear sealing, and then is worked as
When flashboard closes valve, channel steel, first seal and flashboard realize sealing between any two, reach preferable sealing effect；Meanwhile
Due to using linear sealing between sealing and flashboard, contact area between the two is small, so that the abrasion of first seal
It is just smaller, and then service life is improved, and since arc seal section has certain radian, so that itself has certain bullet
Property deformability, and then sealing is provided with the effect compensated automatically, can be tightly attached to flashboard always, reaches better seal effect
Fruit；Secondly, the arrangement of wafer type, adjusts the sealing of two mirror images mutually, how tube shut-off device does not float, flashboard two sides
Sealing remain palette state, sealing effect is splendid；Finally, first seal is not necessarily to external pretightning force, only
Need to install after seal section connect with channel steel, incited somebody to action installation difficulty, and pretightning force from flashboard to first seal
Radial force, so that deformation occurs for arc seal section, by active force with reaction force flashboard to the pretightning force of first seal
Bigger, bigger by pressing force of the reaction force sealing to flashboard, sealing effect is stronger.
Preferably, the arc seal section has two sections and mutual mirror settings, and there are spacing between two sealings.
By using above-mentioned technical proposal, the arc seal section of two mirror settings is improved to the sealing effect between flashboard,
Two seals are played, in conjunction with the first seal of two mirror settings, realize four linear sealings on two surface of flashboard, every surface has
Two linear sealings, and then after wherein a sealing fails, another sealing can also continue to keep the sealing effect between flashboard
Fruit；Meanwhile two surface of flashboard is formed by four linear sealings, improves stability of the flashboard to folder when, and due to ipsilateral two
Sealing tool is at regular intervals, preferably promotes the clamping stability to flashboard, can reduce and produce since medium impacts flashboard
Raw shaking amplitude, indirect improve sealing effect.
Preferably, two first seals are in long strip, and along the length direction of flashboard/width direction arrangement.
By using above-mentioned technical proposal, the first seal of strip design be can be improved to the line contact between flashboard
Range, better lift-off seal effect.
Preferably, the seal assembly further includes the second seal in seal chamber, the second seal
Stiffening plate including the sealing plate, the side baffle and connection side baffle one end that are connected to sealing board ends that are connect with channel steel, institute
The one end for stating stiffening plate extends to arc seal section side, and the end of stiffening plate contacts at the inner surface of arc seal section.
By using above-mentioned technical proposal, the main function of second seal has a two o'clock, and first, it plays to channel steel and first
Two sealings of sealing element；Second, the rigidity of first seal is improved, sealing is preferably kept between flashboard
Linear sealing, and then lift-off seal effect；Realize that first effect is played close first with the connection of sealing plate and channel steel
Envelope effect, while seal chamber is separated into multiple cavities by the combination of side baffle and stiffening plate, regardless of medium enters from which direction,
It can achieve secondary seal effect；And the rigidity for improving first seal, also with the group of side baffle and stiffening plate
It closes, one end of stiffening plate is contradicted at the inner surface of arc seal section, it plays a supporting role, and company of the side baffle as stiffening plate
Support is connect, bigger support force is provided for stiffening plate, and then the sealing in first seal is by the pretightning force from flashboard
Afterwards, there is bigger reaction force, sealing effect is substantially improved, simultaneously because the rigidity of first seal increases, also improves
Whole service life.
Preferably, the seal assembly further includes the second seal in seal chamber, the second seal
Including connect with channel steel sealing plate, be connected to sealing board ends side baffle, connect side baffle one end stiffening plate and company
The supporting section of stiffening plate Yu arc seal section is connect, one end of the supporting section is connect with sealing.
By using above-mentioned technical proposal, the main function of second seal has a two o'clock, and first, it plays to channel steel and first
Two sealings of sealing element；Second, the rigidity of first seal is improved, sealing is preferably kept between flashboard
Linear sealing, and then lift-off seal effect；Realize that first effect is played close first with the connection of sealing plate and channel steel
Envelope effect, while seal chamber is separated into multiple cavities by the combination of side baffle, stiffening plate and supporting section, regardless of medium from which
Direction enters, and can achieve secondary seal effect；And the rigidity for improving first seal, also with side baffle, add
The combination of strong plate and supporting section, supporting section are directly connected to sealing and strengthening segment, internal stress are dispersed, avoid sealing by
It is excessive in stress and cause abrasion accelerate the case where, side baffle as stiffening plate connection support, provided for stiffening plate bigger
Support force, and then the sealing in first seal is had bigger reaction force by after the pretightning force of flashboard, seals
Effect is substantially improved, simultaneously because the rigidity of first seal increases, also improves whole service life.
Preferably, the first seal is an integral structure with second seal.
The internal stress of first seal can be reduced due to the structure of integral type by using above-mentioned technical proposal, raising makes
With the service life, while facilitating whole installation and replacement.
Preferably, transition segmental arc is additionally provided between the side baffle and stiffening plate.
By using above-mentioned technical proposal, transition segmental arc, which primarily serves, avoids stiffening plate and answering at side baffle link position
Power is concentrated, and there is a situation where being broken, improve the service life of second seal.
Preferably, there is 35 ° ~ 45 ° of angle between the side baffle and channel steel surface.
By using above-mentioned technical proposal, the slanted angle of side baffle is arranged, and angle is excessive to be will lead to first seal
Support stiffness it is excessive, the self compensation for being unfavorable for sealing is adjusted, and angle is too small, not to the support stiffness of first seal
Foot, the self compensation regulating power of sealing reduce, while when angle is too small, when seal chamber seal failure, medium enters close
Seal it is intracavitary, side baffle in addition to provide first seal support stiffness can also play the role of the indirect baffle seal to medium,
So that blocking surface area is too small, baffle seal effect is with regard to poor.
A second object of the present invention is to provide a kind of sealing systems, have preferable leakproofness and service life.
Foregoing invention purpose of the invention has the technical scheme that
A kind of sealing system, the sealing structure to join end to end including four groups in rectanglar arrangement, wherein locating for the both ends of seal assembly
In plane and perpendicular between there are 45 ° of angles.
By using above-mentioned technical proposal, four groups of end to end sealing structures play thorough seal to the surrounding of flashboard,
Simultaneously because sealing structure has certain rigidity, flashboard has better stability in opening/shutting valve, and the two of seal assembly
End 45 ° slanted angle setting, adjacent two seal assembly connect when, it is more convenient, and connect rear surface it is more regular, have compared with
Good continuity improves sealing effect.
Third object of the present invention is to provide a kind of slide valves, have preferable leakproofness and service life.
Foregoing invention purpose of the invention has the technical scheme that
A kind of slide valve, including flashboard and the sealing system, the surface of the sealing system and flashboard company sealed around
It connects.
By using above-mentioned technical proposal, sealing system carries out thorough seal to the surrounding of flashboard, has better seal
Effect.
In conclusion advantageous effects of the invention are as follows:
1, it by the setting of arc seal section in first seal and installation seal section, is realized respectively between flashboard and channel steel
Connection sealing, linear sealing is used between arc seal section and flashboard, and provides the self compensation ability of sealing, is substantially mentioned
Sealing effect is risen, simultaneously because the reduction of sealing area, reduces the degree of wear, improve entire sealing structure uses the longevity
Life；
2, by setting second seal, the rigidity for promoting first seal is preferably improved between first seal and flashboard
Sealing effect, meanwhile, second seal improves close between channel steel and sealing structure as two sealings between channel steel
Feng Xing；
3, it by four groups of end to end sealing structures of setting, plays to the hermetically sealed of flashboard surrounding, better lift-off seal,
The stability in flashboard lifting process and the ability of anti-medium impact are improved simultaneously.
Detailed description of the invention
Fig. 1 is the schematic diagram of sealing structure in embodiment one；
Fig. 2 is the structural schematic diagram of seal assembly in embodiment one；
Fig. 3 is connection schematic diagram of the flashboard in sealing structure in embodiment one；
Fig. 4 is the structural schematic diagram of seal assembly in embodiment two；
Fig. 5 is connection schematic diagram of the flashboard in sealing structure in embodiment two；
Fig. 6 is the structural schematic diagram of seal assembly in embodiment three；
Fig. 7 is the structural schematic diagram of seal assembly in example IV；
Fig. 8 is the structural schematic diagram of slide valve in embodiment five.
In figure, 10, sealing structure；11, channel steel；12, sealing area；13, seal assembly；13a, first seal；13b,
Second seal；131, seal section is installed；132, arc seal section；133, sealing；134, sealing plate；135, side baffle；
136, transition segmental arc；137, stiffening plate；138, supporting section；139, retaining groove is sealed；14, sliding slot is sealed；15, seal chamber；16, it pads
Block；17, bolt；20, flashboard；30, decelerating motor；40, screw rod；50, transmission nut.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
Embodiment one
Jointly refering to fig. 1 with Fig. 2, a kind of sealing structure 10, including two channel steels 11 and the seal assembly being installed on channel steel 11
13.It is provided with spacing between two channel steels 11 and forms a sealing area 12, seal assembly 13 is contained in sealing area 12.
Seal assembly 13 includes that two structures are identical and the first seal 13a and second seal 13b of mirror-image arrangement.First
Sealing element 13a include positioned at both ends installation seal section 131 and connection two installation seal sections 131 arc seal sections 132, two
The opposite projection of arc seal section 132, and equally exist gap between the two and form a sealing sliding slot 14.
The two installation seal sections 131 of first seal 13a are parallel to each other and in same level, the end face of channel steel 11
On be provided with cushion block 16, the surface of cushion block 16 is handled by finishing, and installation seal section 131 fits in the surface of cushion block 16, and
The connection between installation seal section 131,11 three of cushion block 16 and channel steel is realized by bolt 17.Two pads on same channel steel 11
Spacing size between block 16 determines the convexity size of arc seal section 132.
In the present embodiment, the generally strip of seal assembly 13, the length of channel steel 11 is greater than or is equal to seal assembly
13 length, installation seal section 131 are connect by multiple bolts 17 with channel steel 11 along its length.Arc seal section 132 has
One sealing 133, the sealing 133 are the lofty perch of arc seal section 132 and linear shape.
After first seal 13a is connect with channel steel 11, a seal chamber 15, second seal 13b installation are formed between the two
In the side baffle 135 in seal chamber 15, specifically including sealing plate 134, connection 134 both ends of sealing plate and it is connected to side baffle
135 one end and the stiffening plate 137 extended to 132 side of arc seal section, were provided between stiffening plate 137 and side baffle 135
Segmental arc 136 is crossed, one end of stiffening plate 137 contacts on the inner surface of arc seal section 132 and close to 133 side of sealing.
Sealing plate 134 is connect by welding with channel steel 11, and weld forms a sealing surface.It is put down at side baffle 135
There is included angle A, included angle A is between 35 ° ~ 45 °, and preferably included angle A is 41 ° between 11 surface of face and channel steel.Side baffle 135, transition
Segmental arc 136 and stiffening plate 137 are an integral structure, and seal chamber 15 is separated into multiple cavities, wherein stiffening plate 137 and arc
A sealing retaining groove 139 is formed between shape seal section 132, sealing retaining groove 139 is expanded outwardly by the free end side of stiffening plate 137.
Jointly refering to fig. 1 to Fig. 3, after valve is closed, the one of flashboard 20 be placed in sealing area 12 and partial insertion extremely
It seals in sliding slot 14, two first seal 13a of wafer type squeeze flashboard 20, and two sealings 133 are contradicted and formed with flashboard 20
Linear sealing.It defines, the flow direction for being oriented to medium of arrow, certain media is issued in the blocking of flashboard 20 to change to court
It is flowed in 13 side of seal assembly, first seal 13a is sealed as first, the line between sealing 133 and flashboard 20
Property sealing play sealing between first seal 13a and flashboard 20, installation seal section 131 connect that play first close with cushion block 16
Sealing between sealing 13a and channel steel 11, and then medium can be blocked completely.
When installing the seal failure between seal section 131 and channel steel 11, medium is entered in seal chamber 15, and at this time second
Sealing element 13b just plays two sealings, and due to forming a sealing surface between sealing plate 134 and channel steel 11, medium can not be from sealing
It is flowed through at face, and side baffle 135 stops most medium, while side baffle 135 can occur under the impact of medium
Deformation, reduces the openings of sizes of sealing retaining groove 139, while improving the pressing force between stiffening plate 137 and arc seal section 132,
So that medium carries out baffle seal completely, preferable leakproofness is played.
Embodiment two
Jointly refering to Fig. 4 and Fig. 5, the difference with embodiment one is, first seal 13a has there are two arc seal section 132,
Two arc seal sections, 132 mirror settings and on the same circular arc.Every section of arc seal section 132 all has a sealing 133, together
Sample sealing 133 is in 132 highest point of arc seal section, meanwhile, there are spacing L between two sealings 133.
In addition, stiffening plate 137 is connect by a supporting section 138 with sealing 133 in second seal 13b, supporting section 138
It is substantially in water-drop-shaped, first seal 13a is an integral structure with second seal 13b.
When valve is closed, two surfaces of flashboard 20 are contradicted there are two sealing 133, four linear sealings of formation, when wherein one
After sealing 133 fails, there are also another sealings 133 to play sealing, forms the two seals of first seal 13a.
Meanwhile when medium enters in seal chamber 15, due to the structure of integral type, so that medium can not be kept off by sealing
Slot 139, and then play better seal effect.
Embodiment three
Refering to Fig. 6, a kind of sealing system, including the sealing structure 10 in embodiment one, the sealing structure 10 be provided with four groups and
It is joined end-to-end.It illustrates and gives the structure of seal assembly 13, the both ends of the surface of seal assembly 13 are by cutting formation and vertically
Plane is in 45 ° of angle, and the both ends of adjacent two seal assembly 13 can be combined with each other and realize connection by welding.Entire sealing system
System is in rectangle, and is connected and sealed with the surrounding of flashboard 20.
Example IV
Refering to Fig. 7, a kind of sealing system, including the sealing structure 10 in embodiment two, arrangement and connection type and embodiment three
It is identical.
Embodiment five
Refering to Fig. 8, a kind of slide valve, including the sealing system in transmission mechanism, flashboard 20 and embodiment three or example IV.
Transmission mechanism specifically includes decelerating motor 30, the screw rod connecting with decelerating motor 30 40 and the transmission being threadedly coupled with screw rod 40
Nut 50, transmission nut 50 are connect with flashboard 20, the surface connection sealed around of sealing system and flashboard 20.
When work, decelerating motor 30 drives 40 original place of screw rod to rotate, the lifting of the rotate driving transmission nut 50 of screw rod 40,
And then drive the lifting of flashboard 20.Define, arrow direction be medium flow direction, when flashboard 20 moves up, valve by
Step is opened, and medium can circulate；When flashboard 20 is in the state of diagram, valve is closed, and the circulation of medium is cut off, and is led to
It crosses sealing system and realizes sealing.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of sealing structure characterized by comprising
Two channel steels (11) have spacing between two channel steels (11) and form a sealing area (12)；
Seal assembly (13) is set in sealing area (12), two first seals identical including structure and mirror settings
(13a), the first seal (13a) include at least one arc seal section (132) and are connected to arc seal section (132)
The installation seal section (131) of one end；
Wherein, formed a seal chamber (15) between the first seal (13a) and channel steel (11), installation seal section (131) with
Channel steel (11) connection, between two arc seal sections (132) of mirror settings there are gap and formed for flashboard (20) intert
It seals sliding slot (14), the arc seal section (132), which has, contradicts the sealing to form linear sealing with flashboard (20) surface
(133), the sealing (133) has always toward the movement tendency far from channel steel (11) side.
2. sealing structure according to claim 1, which is characterized in that the arc seal section (132) is with two sections and mutual
Mirror setting, there are spacing between two sealings (133).
3. sealing structure according to claim 1, which is characterized in that two first seals (13a) are in long strip, and along lock
The length direction of plate (20)/width direction arrangement.
4. sealing structure according to claim 1, which is characterized in that the seal assembly (13) further includes being set to seal chamber
(15) second seal (13b) in, the second seal (13b) include the sealing plate (134) connecting with channel steel (11), connect
It is connected to the side baffle (135) at sealing plate (134) both ends and connects the stiffening plate (137) of side baffle (135) one end, the reinforcement
One end of plate (137) extends to arc seal section (132) side, and the end of stiffening plate (137) contacts at arc seal section (132)
Inner surface at.
5. sealing structure according to claim 2, which is characterized in that the seal assembly (13) further includes being set to seal chamber
(15) second seal (13b) in, second seal (13b) include the sealing plate (134) connecting with channel steel (11), are connected to
The side baffle (135) at sealing plate (134) both ends, the stiffening plate (137) and connection reinforcement plate for connecting side baffle (135) one end
(137) with the supporting section (138) of arc seal section (132), one end of the supporting section (138) is connect with sealing (133).
6. sealing structure according to claim 5, which is characterized in that the first seal (13a) and second seal
(13b) is an integral structure.
7. sealing structure according to claim 5 or 6, which is characterized in that the side baffle (135) and stiffening plate (137)
Between be additionally provided with transition segmental arc (136).
8. sealing structure according to claim 5 or 6, which is characterized in that the side baffle (135) and channel steel (11) surface
Between with 35 ° ~ 45 ° of angle.
9. a kind of sealing system, which is characterized in that join end to end in rectanglar arrangement including four groups such as any one of claim 1 ~ 8
The sealing structure (10), wherein there are 45 ° between plane and perpendicular at the both ends of seal assembly (13)
Angle.
10. a kind of slide valve, which is characterized in that described close including flashboard (20) and sealing system as claimed in claim 9
The surface connection sealed around of envelope system and flashboard (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910518636.8A CN110307353B (en) | 2019-06-15 | 2019-06-15 | Sealing structure, sealing system and gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910518636.8A CN110307353B (en) | 2019-06-15 | 2019-06-15 | Sealing structure, sealing system and gate valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110307353A true CN110307353A (en) | 2019-10-08 |
| CN110307353B CN110307353B (en) | 2024-06-28 |
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ID=68075847
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910518636.8A Active CN110307353B (en) | 2019-06-15 | 2019-06-15 | Sealing structure, sealing system and gate valve |
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| CN (1) | CN110307353B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4527773A (en) * | 1982-03-12 | 1985-07-09 | Hermann Rappold & Co. Gbmh | Shut-off valve with a seal formed from an elastic strip |
| EP0340430A2 (en) * | 1988-05-05 | 1989-11-08 | MANNESMANN Aktiengesellschaft | Sealing device |
| US4946174A (en) * | 1988-02-25 | 1990-08-07 | Usui Kokusai Sangyo Kaisha, Ltd. | Annular metal gasket |
| GB9125226D0 (en) * | 1991-11-27 | 1993-01-13 | Rolls Royce Plc | Seal |
| EP0689010A2 (en) * | 1994-06-22 | 1995-12-27 | MANNESMANN Aktiengesellschaft | Sealing structure for a fluegasvalve |
| CN1192261A (en) * | 1995-06-09 | 1998-09-02 | 曼内斯曼股份公司 | Sealing device between movable parts in mutual contact |
| US20110150635A1 (en) * | 2008-07-01 | 2011-06-23 | Thorsten Motzkus | Seal and seal arrangement for confining leakage flows between adjacent components of turbo-machines and gas turbines |
| CN210566352U (en) * | 2019-06-15 | 2020-05-19 | 宁波连通设备集团有限公司 | Sealing structure, sealing system and gate valve |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4527773A (en) * | 1982-03-12 | 1985-07-09 | Hermann Rappold & Co. Gbmh | Shut-off valve with a seal formed from an elastic strip |
| US4946174A (en) * | 1988-02-25 | 1990-08-07 | Usui Kokusai Sangyo Kaisha, Ltd. | Annular metal gasket |
| EP0340430A2 (en) * | 1988-05-05 | 1989-11-08 | MANNESMANN Aktiengesellschaft | Sealing device |
| GB9125226D0 (en) * | 1991-11-27 | 1993-01-13 | Rolls Royce Plc | Seal |
| EP0689010A2 (en) * | 1994-06-22 | 1995-12-27 | MANNESMANN Aktiengesellschaft | Sealing structure for a fluegasvalve |
| CN1192261A (en) * | 1995-06-09 | 1998-09-02 | 曼内斯曼股份公司 | Sealing device between movable parts in mutual contact |
| US20110150635A1 (en) * | 2008-07-01 | 2011-06-23 | Thorsten Motzkus | Seal and seal arrangement for confining leakage flows between adjacent components of turbo-machines and gas turbines |
| CN210566352U (en) * | 2019-06-15 | 2020-05-19 | 宁波连通设备集团有限公司 | Sealing structure, sealing system and gate valve |
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| Publication number | Publication date |
|---|---|
| CN110307353B (en) | 2024-06-28 |
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