CN107013773A - Sealing and connecting device - Google Patents
Sealing and connecting device Download PDFInfo
- Publication number
- CN107013773A CN107013773A CN201710327590.2A CN201710327590A CN107013773A CN 107013773 A CN107013773 A CN 107013773A CN 201710327590 A CN201710327590 A CN 201710327590A CN 107013773 A CN107013773 A CN 107013773A
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- China
- Prior art keywords
- locking member
- flange
- potted component
- sealing
- sleeve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
- F16L23/028—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes the flanges being held against a shoulder
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The present invention relates to a kind of sealing and connecting device, including first port part, second port part, sleeve, the first potted component, the second potted component, the first locking member and the second locking member；Sleeve is sheathed on outside the first flange and the second flange vertically, first locking member is fixedly connected with sleeve, first potted component is pressed between the second surface of the first flange of first port part and the first locking member vertically, and the first potted component is connected to the inner ring surface of sleeve, second locking member is fixedly connected with sleeve, second potted component is pressed between the 4th surface of the second flange of second port part and the second locking member vertically, and the second potted component is connected to the inner ring surface of sleeve, so that first port part is sealed off with second port part by the potted component with extraneous.This sealing and connecting device is particularly suitable for use in high pressure, high-temperature medium, and field, such as space flight and deep-sea field are tightly connected between alternating temperature, transformation medium pipeline and container.
Description
Technical field
The present invention relates to field of sealing technology, more particularly, to HTHP, alternating temperature transformation fluid media (medium) pipeline and equipment
Connection sealing and connecting device.
Background technology
The transfer pipeline and storage container of the fluid media (medium) such as gas or liquid are frequently necessary to carry out sealing company by connector
Connect.Dismountable flange seal connection is because with simple in construction, being easy to the advantage of operation, being widely used in chemical industry, energy
In being tightly connected of the pipeline and container of source and mechanical field.Traditional flange connection will need connection using fastening bolt
Two ports connected with flange.Potted component is placed with the sealing surface of flange port.Fastening bolt is by two end faces
While connecting together, also potted component is axially compressed tightly against on sealing surface along flange.
The subject matter of above-mentioned flange connection is that the rise of fluid medium pressure can make to act in pipeline and storage container
Pressure on potted component reduces, and potted component is relaxed.This phenomenon in the connection of high pressure-temperature pipeline and container particularly
Substantially, cause joint seal of flanges difficult and fluid media (medium) leakage.When mounted in order to ensure enough sealing precompressions, it is necessary to
Use sufficiently large fastening bolt.Big bolt needs flange diameter accordingly to increase, and the Big Diameter Flange of same thickness is deposited
The problem of rigidity is inadequate, so flange also needs to increase thickness while diameter is increased, therefore conventional high-pressure flange is connected
Device structure is very heavy.
Cause the phenomenon that sealing load declines, seal relaxes to solve high-pressure medium, engineers and technicians devise
A variety of sealing means, using power of the pressure medium increasing action on seal, i.e. self-tightening type high pressure sealing, such as：Nonmetallic Type B
Ring sealing, wood closure, Bridgman sealings and the sealing of wedge type ring etc..
However, wood closure, Bridgman sealing and the sealing of wedge type ring are only applicable to end cap seal, it is impossible to for pipeline and
The connection of container；Nonmetallic Type B ring is limited to the temperature in use of resilient nonmetallic material, it is impossible to meets HTHP and is tightly connected
The need for.
The content of the invention
The purpose of the present invention is：For current high-temperature, high pressure fluid medium pipeline and container sealing and connecting device due to interior
Portion's pressure medium rise or temperature change cause sealing load to relax, and the problem of revealing can there is provided a kind of sealing property
The sealing and connecting device leaned on.
A kind of sealing and connecting device, including first port part, second port part, sleeve, the first potted component, the second sealing
Element, the first locking member and the second locking member；
The first port part has the first connection end, and is provided with first connection end the first flange, and described the
One flange has first surface spaced in the axial direction and second surface；
The second port part has the second connection end, and is provided with second connection end the second flange, and described the
Two flanges have the 3rd surface spaced in the axial direction and the 4th surface；
In assembled state, first connection end is docked with second connection end, make the first port part with it is described
Connected inside second port part, the first surface of first flange is relative with the 3rd surface of second flange
Set, the sleeve is sheathed on outside first flange and second flange vertically, first locking member with it is described
Sleeve is fixedly connected, and first potted component is pressed in the second surface and described first of first flange vertically
Between locking member, and first potted component is connected to the inner ring surface of the sleeve, second locking member with it is described
Sleeve is fixedly connected, and second potted component is pressed in the 4th surface and described second of second flange vertically
Between locking member, and second potted component is set to be connected to the inner ring surface of the sleeve, so that the first port part
Sealed off with the second port part by the potted component with extraneous.
It is selectable, in assembled state, between first locking member and the second surface of first flange
First potted component can further be compressed by interior media pressure vertically, and/or second locking member with it is described
Second potted component between the 4th surface of second flange can be pressed further by interior media pressure vertically
Contracting.
Selectable, first locking member and/or second locking member are bolted to connection with the sleeve.
Selectable, first locking member and/or second locking member are locking nut, and spiral shell is passed through with the sleeve
Line is connected.
Selectable, first connection end of the first port part includes the first noumenon being connected with each other and described the
One flange, second connection end of the second port part includes the second body and second flange that are connected with each other,
The assembled state, the sleeve surrounds first flange, the first noumenon, second flange and second body
Set, and be fixedly connected with first locking member and second locking member, first locking member has away from described the
First outside portion of one flange and the first inside portion close to first flange, first outside portion is fixed with the sleeve
Connection, first inside portion is inserted between the first noumenon and the sleeve, and second locking member has away from described
Second outside portion of the second flange and the second inside portion close to second flange, second outside portion is consolidated with the sleeve
Fixed connection, second inside portion is inserted between second body and the sleeve.
Selectable, first locking member includes the first position-limit foot stretched out from first inside portion, described first
There is spacing distance, first position-limit foot is used to limit between this between the second surface of inside portion and first flange
Gauge from minimum value.
Selectable, second locking member includes the second position-limit foot stretched out from second inside portion, described second
There is spacing distance, second position-limit foot is used to limit between this between inside portion and the 4th surface of second flange
Gauge from minimum value.
It is selectable, the second surface tool of the first inside portion of first locking member and/or first flange
There is inclined-plane, first potted component is connected on the inclined-plane.
It is selectable, the 4th surface tool of the second inside portion of second locking member and/or second flange
There is inclined-plane, second potted component is connected on the inclined-plane.
It is selectable, first inside portion of first locking member and/or described the second of second locking member
Inside portion has bindiny mechanism, is fixedly connected respectively with first potted component and/or second potted component, makes described
First locking member and first potted component one complete part of formation and/or make second locking member and described second close
Seal element one complete part of formation.
Selectable, first locking member and/or second locking member are by multiple detachable sub-components splicings
Into.
Selectable, first potted component and second potted component are soft metal, graphite, polymer or compound
Filling material, or be nonmetallic O-ring seal, metal o-ring sealing ring or C-shaped ring sealing ring.
Compared with traditional flange connection, the fixation between the first locking member of the invention, the second locking member and sleeve
The main function of connection is no longer to apply enough pressure to the first potted component and the second potted component, but only confrontation pipe
Pressure medium inside road or container, therefore, the load for being fixedly connected with needs are greatly lowered, and size diminishes therewith so that whole
The overall dimension of individual connector reduces, weight saving.Sealing and connecting device component can prevent from sealing tight under high pressure medium
Power relaxes, and can be used in being tightly connected for high-temperature and pressure pipeline and/or container.
Brief description of the drawings
In order to clearly demonstrate technical scheme, it will make simple to the required accompanying drawing used in embodiment below
Introduce on ground.It should be evident that drawings in the following description are only some embodiments of the present invention, for ordinary skill
For personnel, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings；
Fig. 1 is the dimensional structure diagram of the embodiment for the sealing and connecting device that the present invention makees fixture using bolt；
Fig. 2 is the cross section structure diagram of the embodiment for the sealing and connecting device that the present invention makees fixture using bolt；
Fig. 3 is the cross section structure diagram of the embodiment for the sealing and connecting device that the present invention has threaded connection；
Fig. 4 is the section view knot of the embodiment of the sealing and connecting device of first and second locking member of the present invention with position-limit foot
Structure schematic diagram；
Fig. 5 is the dimensional structure diagram of the embodiment of first or second locking member of the present invention with position-limit foot；
Fig. 6 is the sectional structure of the embodiment of the sealing and connecting device of first and second bevelled locking member of present invention tool
Schematic diagram；
Fig. 7 is the dimensional structure diagram of the embodiment of the present invention the bevelled first or second locking member of tool；
Fig. 8 is that the broken section structure of the embodiment of the sealing and connecting device of the bevelled first port part of present invention tool is shown
It is intended to；
Fig. 9 is the dimensional structure diagram of the embodiment of first or second locking member of the present invention with sub-component.
Embodiment
In order to clearly illustrate the technical scheme of the application, below with reference to drawings and Examples, to present techniques side
Case is described in detail.It should be appreciated that specific embodiment is not used to limit the application.
Refer to Fig. 1 and Fig. 2, the application provides a kind of sealing and connecting device 10, between the equipment that need to be connected, example
As between pipeline and pipeline, between pipeline and container, or between container and container, outside is tightly connected and internal flow connects is realized
It is logical.Sealing and connecting device 10 includes first port part 100, second port part 200, sleeve 600, the first potted component 400, second
Potted component 410, the first locking member 300 and the second locking member 340；First port part 100 have the first connection end 102, and
First connection end 102 is provided with the first flange 110, and the first flange 110 has the He of first surface 112 spaced in the axial direction
Second surface 114；Second port part 200 has the second connection end 202, and the second connection end 202 is provided with the second flange
210, second flange 210 has the 3rd surface 212 spaced in the axial direction and the 4th surface 214.Second connection end
202 are used to dock with the first connection end 102.
Sealing and connecting device 10 is demountable structure, in assembled state, 202 pairs of the first connection end 102 and the second connection end
Connect, first port part 100 is connected with the inside of second port part 200, the first surface 112 of the first flange 110 is used for and second
3rd surface 212 of flange 210 is oppositely arranged, and sleeve 600 is sheathed on outside the first flange 110 and the second flange 210 vertically,
First locking member 300 is fixedly connected with sleeve 600, and the first potted component 400 is pressed in into the first of first port part 100 vertically
Between the locking member 300 of second surface 114 and first of flange 110, and the first potted component 400 is set to be connected to sleeve 600
Inner ring surface 602, the second locking member 340 is fixedly connected with sleeve 600, and the second potted component 410 is pressed in into second port vertically
Between 4th surface 214 of the second flange 210 of part 200 and the second locking member 340, and abut the second potted component 410
In the inner ring surface 602 of sleeve 600, so that first port part 100 passes through potted component 400 and the external world with second port part 200
Seal isolation.
The main function being fixedly connected between first locking member 300 and the second locking member 340 and sleeve 600 is no longer pair
First potted component 400 and the second potted component 410 apply enough pressure, but only resist Jie inside pipeline or container
Matter pressure, therefore, the load for being fixedly connected with needs between the first locking member 300 and the second locking member 340 and sleeve 600 is significantly
Degree reduction, size diminishes therewith so that the overall dimension of whole sealing and connecting device 10 reduces, weight saving.Can from Fig. 2
Go out, when the interior media pressure of attachment means 10 increases, the pressure medium of increase can be locked by first port part 100 and first
Part 300 is acted on the first potted component 400, and is applied to the second sealing by the locking member 340 of second port part 200 and second
On element 410, the pressure acted on the first and second potted components 400,410 is set to increase with the increase of interior media pressure
Greatly, therefore, sealing and connecting device 10 can prevent that sealing load relaxes under high pressure medium, can be used in high-temperature and pressure pipeline
And/or container is tightly connected.And conventional flange is connected to the pressure meeting that potted component is acted on when interior media pressure increases
Reduce.
In assembled state, the first and second potted components 400,410 are by pressure vertically so as to realize initial sealing.The
There is interval region, for accommodating the first potted component between one locking member 300 and the first flange 110 of first port part 100
400.There is interval region between second locking member 340 and the second flange 210 of second port part 200, it is close for accommodating second
Seal element 410.In certain embodiments, for example in Fig. 1 and Fig. 2 embodiment, the first locking member 300 and the first flange 110 can
It is spaced completely, the second locking member 340 can be spaced completely with the second flange 210, when the pressure medium increase in the equipment of connection,
Pressure medium can be applied on the first potted component 400 by the second surface 114 of the first flange 110 of first port part 100,
And the 4th surface 214 of the second flange 210 for passing through second port part 200 is applied on the second potted component 410, make first close
Sealing force on the envelope potted component 410 of element 400 and second increases with the increase of pressure medium, makes the first potted component 400
Further compressed vertically with the second potted component 410, so as to prevent that the first potted component 400 and second is close under high pressure medium
The stress relaxation sealed on element 410, forms self-tightening sealing mode.
Specifically, first port part 100 has the first installation end 106, for the equipment installed in that need to connect, for example, manage
Road or container.Tubing or ring-shaped article that first port part 100 can be formed in one, with being extended to from the first installation end 106
The first through hole 104 of first connection end 102.Second port part 200 has the second installation end 206, for installed in another company of need
In the equipment connect, such as pipeline or container.Tubing or ring-shaped article that second port part 200 can be formed in one, with from
Two installation ends 206 extend to the second through hole 204 of the second connection end 202.In assembled state, the through hole of first through hole 104 and second
204 connections, make the fluid media (medium) between the equipment of two need connections realize connection.The first surface 112 of first connection end 102 with
There is gap, the gap and the internal through hole 204 of first through hole 104 and second between 3rd surface 212 of the second connection end 202
Connection is, it is necessary to seal to be isolated from the outside.
First and second potted components 400,410 are annular element, and the is press respectively against by the first and second locking members 300,340
On two surfaces 114 and the 4th surface 214 and inner ring surface 602 of fitting, thus first port part 100 and second port part 200 it
Between formed sealing, the through hole 204 of first through hole 104 and second is isolated from the outside.The material of first, second potted component 400,410
Material can be selected according to specific operating mode, such as can be soft metal, graphite, polymer or composite.First, second sealing
Element 400,410 can be nonmetallic O-ring seal, metal o-ring sealing ring or metal C-shaped ring sealing ring.
In first port part 100, it is preferred that the first connection end 102 includes the first noumenon 120 and first being connected with each other
Flange 110.First flange 110 is loop configuration, and the first flange 110 is set around the first noumenon 120, and from the first noumenon 120
Protruded to the side of first port part 100.
In second port part 200, it is preferred that the second connection end 202 includes the second body 220 and second being connected with each other
Flange 210.Second flange 210 is loop configuration, and the second flange 210 is set around the second body 220, and from the second body 220
Protruded to the side of second port part 200.
Sleeve 600 is loop configuration, including inner ring surface 602.In assembled state, it is convex that sleeve 600 is set in first vertically
Outside the flange 120 of edge 110 and second, the internal diameter of sleeve 600 is engaged with the external diameter of the first flange 110 and the second flange 120, makes
One flange 110 and the second flange 120 can be moved in the axial direction.Sleeve 600 is used for and the first locking member 300 and the second locking member
340 are fixedly connected.Identical inner ring surface 602 is contacted with the first and second potted components 400,410 simultaneously.
Sleeve 600 is also set in outside the body 220 of part the first noumenon 120 and second, with the first noumenon 120 radially (i.e.
Perpendicular to the bearing of trend of first through hole 104) on interval first apart from I set, with the second body 220 radially (i.e. perpendicular to
The bearing of trend of second through hole 204) on interval first apart from I set.
The annular element that first locking member 300 and the second locking member 340 can be integrated respectively, in assembled state, the first locking
Part 300 is set in outside first port part 100, is fixedly connected by the first locking member 300 with sleeve 600, is made first port part
100 is diametrically spacing.Second locking member 340 is set in outside second port part 200, passes through the second locking member 340 and sleeve
600 are fixedly connected, and make second port part 200 diametrically spacing.In a preferred embodiment, the first locking member 300 can be inserted
Enter between the first noumenon 120 and sleeve 600, the second locking member 340 is inserted between the second body 220 and sleeve 600.It is more excellent
Choosing is that the first locking member 300 and the insertion portion of the second locking member 340 are radially having with first apart from chi of substantially equal I respectively
It is very little.In the present embodiment, axially on (i.e. the bearing of trend of the through hole 204 of first through hole 104 and second) the first locking member 300 and
First port part 100 can relative motion so as to the first potted component 400 during the pressure rise internally of first port part 100
The pressure increase of application, the second locking member 340 and second port part 200 can relative motion so that including second port part 200
The pressure that the second potted component 410 applies is increased during portion's pressure rise.In a preferred embodiment, the first locking member 300 has
There are the first outside portion 302 away from the first connection end 102 and the first inside portion 304 close to the first connection end 102, the second locking
Part 340 has the second outside portion 342 away from the second connection end 202 and the second inside portion 344 close to the second connection end 202.
First outside portion 302 and the second outside portion 342 are fixedly connected with the two ends of sleeve 600 respectively, the first inside portion 304 insertion first
Between body 120 and sleeve 600, the second inside portion 344 is inserted between the second body 220 and sleeve 600.First inside portion 304 is excellent
Choosing is with the size coordinated between the first noumenon 120 and sleeve 600.Second inside portion 344 preferably has and the second body 220
The size coordinated between sleeve 600.In assembled state, the first locking member 300 and the first flange 110 are spaced second in the axial direction
Apart from II, the second locking member 340 and the second flange 210 are spaced second distance II in the axial direction.It is preferred that, second distance II difference
Size when uncompressed less than first, second potted component 400,410, first, second potted component 400,410 made is in pressure
Contracting state.First, second locking member 300,340 can pass through the first fixture 500 and the second fixture 510 respectively with sleeve 600
Connection, for example, pass through screw or bolt connection.Accordingly, the first outside portion 302 of the first locking member 300 and the second locking member
340 the second outside portion 342, which has, is used for the through hole that bolt is passed through, and sleeve 600, which has, to be used for and bolted screw.
Specifically, 45 millimeters of a latus rectum, the conventional flange coupling connector size that pressure medium is 42MPa is, flange diameter
205 millimeters, 120 millimeters of gross thickness, fastening bolt M30X4, about 18 kilograms of gross weight；Using the embodiment of the present invention, maximum gauge
115 millimeters, 80 millimeters of gross thickness, fastening bolt M8X8,4.5 kilograms of gross weight.The embodiment of the present invention is compared with conventional scheme, chi
Very little to reduce about half, weight reduces to only 1/4.
Referring to Fig. 3, in one embodiment, to reduce dimension and weight, for the close of small latus rectum (internal diameter≤26 millimeter)
Attachment means 10 are sealed, the first locking member 300 and/or the second locking member 340 can be connected with sleeve 600 by screw thread 310.It is preferred that
, the first inside portion 304 and/or the second inside portion 344 of the second locking member 340 of the first locking member 300 and sleeve 600 are mutual
The surface of contact has the screw thread 310 coordinated, for example, the first locking member 300 and/or the second locking member 340 can be locking screw
It is female.The first locking member 300 and/or the second locking member 340 connected by screw thread 310 is with sleeve 600 without again by fixture
500 connections, so that sealing and connecting device 10 has less size and weight.
Fig. 4 and Fig. 5 is referred to, in one embodiment, the temperature and/or pressure of the medium in pipeline and/or container may
It is unstable and often change.First locking member 300 and/or the second locking member 340 can include position-limit foot 320, the first lock respectively
The position-limit foot 320 of tight part 300 stretches out from the first inside portion 304, and the position-limit foot 320 of the second locking member 340 is from the second inside portion 344
Stretch out.Under initial sealing state after assembling, the first potted component 400 have compressed an initial change by the first locking member 300
Shape, forms initial sealing.Position-limit foot 320 can be with the first flange 110 against setting or being arranged at intervals, according to actual use work
Condition is determined.When the flange 110 of position-limit foot 320 and first is spaced in initial sealing state after assembling, when interior media pressure
When power increases, pressure medium is applied on the first potted component 400 by the first flange 110, is made on the first potted component 400
Pressure increase, while making the gap between the second surface 114 of the flange 110 of position-limit foot 320 and first diminish, until being zero.This
When, even if pressure medium continues to increase, the deformation of the first potted component 400 is also held essentially constant.Due to depositing for position-limit foot 320
The maximum deformation quantity of the first potted component 400 is remained substantially stationary, it is to avoid excessive deformation.When position-limit foot 320 and first convex
Reached between the second surface 114 of edge 110 after, the power suffered by the first potted component 400 is basically unchanged, it is to avoid by interior
Portion's pressure rise or frequent acute variation and the excessive deformation of the first potted component 400 that occurs and the phenomenon of relaxation.Due to
One potted component 400 nevertheless suffers from the compression of the first locking member 300, though because first port part 100 and second port part 200 it
Between gap change and make axial micro-shifting and move, do not interfere with sealing effectiveness yet.Connect, reduced to the compared to traditional flange
The requirement of one fixture 500 and whole resistance to deformation rigidity of the attachment means 10 under high pressure, ultra-high pressure condition.Therefore whole connection
The size of device is smaller, weight saving.For the second potted component 410, the position-limit foot 320 of the second locking member 340 also has identical
Set-up mode and effect, repeat no more.The position-limit foot 320 of first locking member 300 is limited in the first of the first locking member 300
The minimum value of spacing distance between the second surface 114 of the flange 110 of sidepiece 304 and first, the position-limit foot of the second locking member 340
320 limit the spacing distance between the second inside portion 344 of the second locking member 340 and the 4th surface 214 of the second flange 210
Minimum value.
Fig. 6 and Fig. 7 is referred to, in one embodiment, the first inside portion 304 of the first locking member 300 has the He of inclined-plane 306
Plane 308.The first potted component 400 is set in interval between the flange 110 of inclined-plane 306 and first, it is e.g. nonmetallic O-shaped close
Seal, metal C-shaped ring sealing ring or metal o-ring sealing ring.When the flange 110 of plane 308 and first is spaced, pressure medium meeting
It is applied to by the second surface 114 of the first flange 110 of first port part 100 on the first potted component 400, makes the first sealing
Sealing force on element 400 increases with the increase of pressure medium, makes the further compression vertically of the first potted component 400, from
And the stress relaxation under high pressure medium on the first potted component 400 is prevented, form self-tightening sealing mode.When plane 308 and
One flange 110 is when initial assembled state is just abutted, pressure is basically unchanged the first potted component 400 thereafter,
It can avoid making the stress on the first potted component 400 change by interior media pressure rise or frequent acute variation,
So as to avoid potted component 400 from relaxation occur.Identical, the second inside portion 344 of the second locking member 340 can also have tiltedly
Face 346 and plane 348, the second potted component are connected on inclined-plane 346, repeated no more.
Referring to Fig. 8, in one embodiment, the second surface 114 of the first flange 110 has inclined-plane 1142 and plane
1144, the first inside portion 304 of the locking member 300 of plane 1144 and first can with it is spaced or against.Inclined-plane 1142 and first
The first potted component 400 is set in interval between first inside portion 304 of locking member 300, e.g. nonmetallic O-shaped sealing
Circle, metal C-shaped ring sealing ring or metal o-ring sealing ring.Identical, the 4th surface 214 of the second flange 210 can also have tiltedly
The second potted component 410 is set in interval between second inside portion 344 of face and plane, inclined-plane and the second locking member 340, no
Repeat again.
Above-described embodiment can lower the machining accuracy and assembly difficulty of part, first, second potted component 400,410 with
The first flange 110, the second flange 210, the first inside portion 304 or the second inside portion 344 with inclined-plane are used cooperatively, and can be obtained
Easy and effective reliable sealing.
In one embodiment, the first locking member 300 is fixedly connected with the first potted component 400, forms an one-piece parts,
Allow the first potted component 400 with the first locking member 300 while dismounting, increase assembling convenience.The of first locking member 300
One inside portion 304 can have bindiny mechanism, and such as mounting groove 330 makes the first potted component 400 be stuck in mounting groove 330, so that
It is fixedly connected with the first inside portion 304.Identical, the second locking member 340 and the second potted component 410 can also pass through identical
Mode is fixedly connected, and is formed an one-piece parts, is repeated no more.
In one embodiment, the first flange 110 correspondence has inclined-plane 1142, in assembled state, and the of the first locking member 300
The plane 1144 of one inside portion 304 and the first flange 110 can be with spaced or against in the first of the first locking member 300
The first potted component 400 that sidepiece 304 is connected is strutted by the inclined-plane 1142 of the first flange 110, and the first potted component 400 is pressed in set
The inner ring surface 602 of cylinder 600.Identical, the second flange 210 corresponding can also have inclined-plane, repeat no more.
Referring to Fig. 9, the assembly and disassembly convenience to increase sealing and connecting device 10, in one embodiment, the first locking member 300
And/or second locking member 340 be partitioned organization, including multiple sub-components 360, the plurality of sub-component 360 can be spliced into other realities
Apply first, second locking member 300,340 of the complete cyclic structure in example.
Compared with traditional flange connection, the embodiment of the present invention is due on first, second potted component 400,410
Pressure under high pressure essentially from interior media pressure in itself, an or fixed value does not change and changed with pressure medium,
So first, second connector 500,510 between first, second locking member 300,340 and sleeve 600 be fixedly connected it is main
Effect is no longer to apply enough pressure to first, second potted component 400,410, but is only resisted inside pipeline or container
Pressure medium, therefore, the load on first, second connector 500,510 is greatly lowered, and size diminishes therewith so that whole
The overall dimension of individual connector 10 reduces, weight saving.Because the modulus of elasticity of aluminium alloy only has about the 1/3 of steel, for using
The attachment means of aluminum, its volume-diminished, the effect of weight saving will be especially notable.The embodiment of the present invention thoroughly solves tradition
Flange connection due to interior media pressure it is high caused by potted component stress relaxation the problem of, can be achieved under high pressure, super-pressure
Reliable be tightly connected.Using the first inside portion 304 of first, second locking member 300,340, the second inside portion 344 and first,
Second distance between second flange 110,210 has the connected mode of minimum value, can effectively solve the problem that temperature, pressure change are drawn
Play the medium leakage problem occurred after first, second potted component 400,410 excess compressions.
This sealing and connecting device 10 is particularly suitable for use in high pressure, high-temperature medium, between alternating temperature, transformation medium pipeline and container
Be tightly connected field, such as space flight and deep-sea field.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (12)
1. a kind of sealing and connecting device, it is characterised in that including first port part, second port part, sleeve, the first sealing member
Part, the second potted component, the first locking member and the second locking member；
The first port part has the first connection end, and first connection end is provided with the first flange, and described first is convex
Edge has first surface spaced in the axial direction and second surface；
The second port part has the second connection end, and second connection end is provided with the second flange, and described second is convex
Edge has the 3rd surface spaced in the axial direction and the 4th surface；
In assembled state, first connection end is docked with second connection end, makes the first port part and described second
Connected inside port, the first surface of first flange is relative with the 3rd surface of second flange to be set
Put, the sleeve is sheathed on outside first flange and second flange vertically, first locking member and the set
Cylinder is fixedly connected, and first potted component is pressed in the second surface and the described first lock of first flange vertically
Between tight part, and first potted component is set to be connected to the inner ring surface of the sleeve, second locking member and the set
Cylinder is fixedly connected, and second potted component is pressed in the 4th surface and the described second lock of second flange vertically
Between tight part, and second potted component is connected to the inner ring surface of the sleeve so that the first port part with
The second port part is sealed off by the potted component with extraneous.
2. sealing and connecting device according to claim 1, it is characterised in that in assembled state, first locking member with
First potted component between the second surface of first flange can enter one by interior media pressure vertically
Step compression, and/or second potted component between second locking member and the 4th surface of second flange
Can further it be compressed by interior media pressure vertically.
3. sealing and connecting device according to claim 1, it is characterised in that first locking member and/or described second
Locking member is bolted to connection with the sleeve.
4. sealing and connecting device according to claim 1, it is characterised in that first locking member and/or described second
Locking member is locking nut, is connected through a screw thread with the sleeve.
5. sealing and connecting device according to claim 1, it is characterised in that first connection of the first port part
End includes the first noumenon and first flange being connected with each other, and second connection end of the second port part is included mutually
The second body and second flange of connection, in the assembled state, the sleeve surrounds first flange, described first
Body, second flange and second body are set, and fix company with first locking member and second locking member
Connect, first locking member has the first outside portion away from first flange and the first inner side close to first flange
Portion, first outside portion is fixedly connected with the sleeve, and the first noumenon and the sleeve are inserted in first inside portion
Between, second locking member has the second outside portion of remote second flange and in the second of second flange
Sidepiece, second outside portion is fixedly connected with the sleeve, and second body and the set are inserted in second inside portion
Between cylinder.
6. sealing and connecting device according to claim 5, it is characterised in that first locking member is included from described first
The first position-limit foot that inside portion is stretched out, has interval between first inside portion and the second surface of first flange
Distance, first position-limit foot is used for the minimum value for limiting the spacing distance.
7. sealing and connecting device according to claim 5, it is characterised in that second locking member is included from described second
The second position-limit foot that inside portion is stretched out, has interval between second inside portion and the 4th surface of second flange
Distance, second position-limit foot is used for the minimum value for limiting the spacing distance.
8. sealing and connecting device according to claim 5, it is characterised in that the first inside portion of first locking member
And/or the second surface of first flange has inclined-plane, first potted component is connected on the inclined-plane.
9. sealing and connecting device according to claim 5, it is characterised in that the second inside portion of second locking member
And/or the 4th surface of second flange has inclined-plane, second potted component is connected on the inclined-plane.
10. the sealing and connecting device according to any one in claim 5 to 9, it is characterised in that first locking member
First inside portion and/or second inside portion of second locking member there is bindiny mechanism, respectively with described
One potted component and/or second potted component are fixedly connected, and make first locking member and the first potted component shape
Into a complete part and/or make second locking member and second potted component one complete part of formation.
11. sealing and connecting device according to claim 1, it is characterised in that first locking member and/or described second
Locking member is spliced by multiple detachable sub-components.
12. sealing and connecting device according to claim 1, it is characterised in that first potted component and described second
Potted component is soft metal, graphite, polymer or composite filler, or close for nonmetallic O-ring seal, metal o-ring
Seal or C-shaped ring sealing ring.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710327590.2A CN107013773A (en) | 2017-05-10 | 2017-05-10 | Sealing and connecting device |
| PCT/CN2017/092550 WO2018192108A1 (en) | 2017-04-19 | 2017-07-12 | Sealed connection device |
| US15/864,486 US10816117B2 (en) | 2017-04-19 | 2018-01-08 | Sealing connector |
| EP19176045.3A EP3546813A1 (en) | 2017-04-19 | 2018-01-15 | Sealing connector |
| EP18151601.4A EP3392544B1 (en) | 2017-04-19 | 2018-01-15 | Sealing connector |
| JP2018003995A JP6693977B2 (en) | 2017-04-19 | 2018-01-15 | Sealed connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710327590.2A CN107013773A (en) | 2017-05-10 | 2017-05-10 | Sealing and connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107013773A true CN107013773A (en) | 2017-08-04 |
Family
ID=59450507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710327590.2A Pending CN107013773A (en) | 2017-04-19 | 2017-05-10 | Sealing and connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107013773A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461557A (en) * | 2017-08-11 | 2017-12-12 | 宁波天生密封件有限公司 | sealing and connecting device |
| CN107965627A (en) * | 2017-12-28 | 2018-04-27 | 宁波天生密封件有限公司 | sealing and connecting device |
| CN108533855A (en) * | 2018-03-02 | 2018-09-14 | 广东思豪流体技术有限公司 | A kind of connector |
| WO2018192108A1 (en) * | 2017-04-19 | 2018-10-25 | 宁波天生密封件有限公司 | Sealed connection device |
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| WO2018192108A1 (en) * | 2017-04-19 | 2018-10-25 | 宁波天生密封件有限公司 | Sealed connection device |
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