CN107023724A - Sealing and connecting device - Google Patents
Sealing and connecting device Download PDFInfo
- Publication number
- CN107023724A CN107023724A CN201710258285.2A CN201710258285A CN107023724A CN 107023724 A CN107023724 A CN 107023724A CN 201710258285 A CN201710258285 A CN 201710258285A CN 107023724 A CN107023724 A CN 107023724A
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- China
- Prior art keywords
- locking member
- sealing
- port part
- flange
- potted component
- Prior art date
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 78
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 230000009466 transformation Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 11
- 239000012530 fluid Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000000664 rectum Anatomy 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The present invention relates to a kind of sealing and connecting device, including first port part, second port part, potted component and locking member；The first port part has the first connection end, and first connection end is provided with flange；The second port part has the second connection end；In assembled state, docked with second connection end first connection end, the locking member is fixedly connected with the second port part, the potted component is pressed between the second surface of the flange of the first port part and the locking member vertically, and the potted component is connected to the inner ring surface of second connection end, the first port part is sealed off with the 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, potted component and locking member；Described first
Port has the first connection end, and first connection end is provided with flange, and the flange, which has to be spaced in the axial direction, to be set
The first surface and second surface put；The second port part have the second connection end, second connection end have end face and
Inner ring surface；In assembled state, first connection end is docked with second connection end, makes the first port part and described the
Connected inside Two-port netwerk part, the first surface of the flange and the end face of second connection end are oppositely arranged, institute
State locking member to be fixedly connected with the second port part, the potted component is pressed in described in the first port part vertically
Between the second surface and the locking member of flange, and the potted component is set to be connected to the interior of second connection end
Anchor ring, makes the first port part be sealed off with the second port part by the potted component with extraneous.
It is selectable, in assembled state, the sealing between the locking member and the second surface of the flange
Element can further be compressed by interior media pressure vertically.
Selectable, the locking member is bolted to connection with the second port part.
Selectable, the locking member is locking nut, is connected through a screw thread with the second port part.
Selectable, first connection end of the first port part includes the first noumenon being connected with each other and described convex
Edge, second connection end of the second port part includes the second body and fixed part that are connected with each other, in the assembling shape
State, the fixed part is set around the flange and the first noumenon, and is fixedly connected with the locking member, the locking member
With away from the first port part first end and close to the first port part the second end, the first end with it is described solid
Determine portion to be fixedly connected, second end is inserted between the first noumenon and the fixed part.
Selectable, the locking member includes the position-limit foot stretched out from second end, the locking member and the flange
The second surface between there is spacing distance, the position-limit foot is used to limit the minimum value of the spacing distance.
Selectable, the second end of the locking member and/or the second surface of the flange have inclined-plane, described close
Envelope element is connected on the inclined-plane.
Selectable, second end of the locking member has bindiny mechanism, is fixedly connected, makes with the potted component
The locking member and the potted component one complete part of formation.
Selectable, the locking member is spliced by multiple detachable sub-components.
Selectable, the potted component is soft metal, graphite, polymer or composite filler, or is nonmetallic O
Type sealing ring, metal o-ring sealing ring or C-shaped ring sealing ring.
Compared with traditional flange connection, between locking member of the present invention and second port part be fixedly connected it is main
Effect is no longer to apply enough pressure to potted component, but only resists the pressure medium inside pipeline or container, therefore,
The load for being fixedly connected with needs is greatly lowered, and size diminishes therewith so that the overall dimension of whole connector reduces, and weight subtracts
Gently.Sealing and connecting device component can prevent under high pressure medium sealing load to relax, can be used in high-temperature and pressure pipeline and/
Or container is tightly connected.
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 cross section structure diagram of the embodiment of the sealing and connecting device of locking member of the present invention with position-limit foot；
Fig. 5 is the dimensional structure diagram of the embodiment of locking member of the present invention with position-limit foot；
Fig. 6 is the cross section structure diagram of the embodiment of the sealing and connecting device of the bevelled locking member of present invention tool；
Fig. 7 is the enlarged diagram of a-quadrant in Fig. 6；
Fig. 8 is the dimensional structure diagram of the embodiment of the bevelled locking member of present invention tool；
Fig. 9 is the sectional structure signal of the embodiment of the sealing and connecting device of the bevelled first port part of present invention tool
Figure；
Figure 10 is the enlarged diagram in B regions in Fig. 9；
Figure 11 is locking member of the present invention and potted component cuing open for the embodiment of the sealing and connecting device of an one-piece parts
Depending on structural representation；
Figure 12 is the enlarged diagram in C regions in Figure 11；
Figure 13 is the dimensional structure diagram of the embodiment of 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, potted component 400 and locking member 300；First
Port 100 has the first connection end 102, and the first connection end 102 is provided with flange 110, and flange 110 is with the axial direction
Spaced first surface 112 and second surface 114；Second port part 200 has the second connection end 202, the second connection end
202 have end face 222 and inner ring surface 212.Second connection end 202 is 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 flange 110 is used to be connected with second
The end face 222 at end 202 is oppositely arranged, and locking member 300 is fixedly connected with second port part 200, and potted component 400 is pressed vertically
Between the second surface 114 and locking member 300 of the flange 110 of first port part 100, and it is connected to potted component 400
The inner ring surface 212 of second connection end 202, makes first port part 100 pass through potted component 400 and the external world with second port part 200
Seal isolation.
The main function being fixedly connected between locking member 300 and second port part 100 is no longer that potted component 400 is applied
Enough pressure is filled up, but only resists the pressure medium inside pipeline or container, therefore, locking member 300 and second port part
The load for being fixedly connected with needs between 100 is greatly lowered, and size diminishes therewith so that entirely sealing and connecting device 10 is total
Body size reduces, weight saving.Figure it is seen that when attachment means interior media pressure increases, the pressure medium of increase
It can be applied to by first port part 100, second port part 200 and locking member 300 on potted component 400, make to act on sealing
Pressure on element 400 increases with the increase of interior media pressure, and therefore, sealing and connecting device 10 can be prevented in Gao Jie
Sealing load relaxes under matter pressure, can be used in being tightly connected for high-temperature and pressure pipeline and/or container.And conventional flange is connected to
Interior media pressure acts on potted component 400 pressure when increasing can reduce.
In assembled state, potted component 400 is by pressure vertically so as to realize initial sealing.Locking member 300 and first
There is interval region, for accommodating potted component 400 between the flange 110 of port 100.In certain embodiments, such as Fig. 1
And in Fig. 2 embodiment, locking member 300 can be spaced completely with flange 110, when the pressure medium increase in the equipment of connection,
Pressure medium can be applied on potted component 400 by the second surface 114 of the flange 110 of first port part 100, make sealing member
Sealing force on part 400 increases with the increase of pressure medium, makes the further compression vertically of potted component 400, so as to prevent
Stress relaxation under high pressure medium on potted component 400, forms self-tightening sealing mode.It is appreciated that in other embodiments
In, element 400 can be not fully sealed between locking member 300 and flange 110 and is spaced, is accommodated and compression forming interval
While potted component 400 realizes sealing, the surface of also part locking member 300 and flange 110 contacts with each other, so as to form branch
Support.
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 connects with the internal through hole 204 of first through hole 104 and second between the end face 222 of second connection end 202
Lead to, it is necessary to seal to be isolated from the outside.The gap is outer ledge 12 close to the edge in outside.
First connection end 102 is preferably to directly abut and contact, the end face of the second connection end 202 with the second connection end 202
222 contact with the first surface 112 of the first connection end 102, form the connection surface of annular, connection surface is close to first through hole
104 and second the edge of through hole 204 be inside edge, be outer ledge 12 close to outside edge, outer ledge 12 is annular.
Potted component 400 is annular element, is pressed in and inner ring surface 212 of fitting, outer ledge of preferably fitting by locking member 300
12, so as to form sealing between first port part 100 and second port part 200, make the through hole 204 of first through hole 104 and second
It is isolated from the outside.Potted component 400 is elastic component, and elastic deformation can occur under pressure.The material of potted component 400
It can be selected according to specific operating mode, such as can be soft metal, graphite, polymer or composite.Potted component 400 can be with
It is 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 flange being connected with each other
110.Flange 110 is loop configuration, and flange 110 is set around the first noumenon 120, and from the first noumenon 120 to first port part
100 side protrusion.
In second port part 200, it is preferred that the second connection end 202 includes the second body 220 being connected with each other and fixed
Portion 210, fixed part 210 protrudes from the second body 220, so as to form step-like structure.Second body 220 is used for and flange 110
Connection, it is preferred that in assembled state the first surface 112 of the second body 220 and flange 110 against and contact.Fixed part 210 is used
It is fixedly connected in locking member 300, fixed part 210 is loop configuration, is set around the second body 220, in assembled state, Gu
Determine portion 210 to set around flange 110, the internal diameter of fixed part 210 cooperates with the external diameter of flange 110, enables flange 110 to exist
Moved on axial direction.It is furthermore preferred that fixed part 210 includes inner ring surface 212, inner ring surface 212 is contacted with potted component 400.
Fixed part 210 is also about the first noumenon 120 and set, and with the first noumenon 120 radially (i.e. perpendicular to first through hole
104 bearing of trend) on interval first apart from I set.
The annular element that locking member 300 is preferably integrated, in assembled state, locking member 300 is set in outside first port part 100
Portion, is fixedly connected by locking member 300 with second port part 200, makes first port part 100 diametrically spacing.Preferred
In embodiment, locking member 300 is inserted between the first noumenon 120 and fixed part 210, and more preferably insertion portion has in radial direction
With first apart from size of substantially equal I, and the dimensional fits between the first noumenon 120 and fixed part 210.In the present embodiment
In, axially on (i.e. the bearing of trend of first through hole 104) locking member 300 and first port part 100 can relative motion so that
The pressure that potted component 400 applies is increased during the pressure rise internally of first port part 100.In a preferred embodiment, lock
Tight part 300 has the first end 302 away from the first connection end 102 and the second end 304 close to the first connection end 102, first end
302 are fixedly connected with second port part 200, between the second end 304 insertion the first noumenon 120 and fixed part 210.Second end 304
It is preferred that with the size coordinated between the first noumenon 120 and fixed part 210.In assembled state, locking member 300 and flange 110
Second distance II is spaced in the axial direction.It is preferred that, sizes of the second distance II less than potted component 400 when uncompressed, what is made is close
Seal element 400 and be in compressive state.Locking member 300 can be connected with second port part 200 by fixture 500, for example, pass through spiral shell
Nail or bolt connection.Accordingly, the second end 304 of locking member 300, which has, is used for the through hole that bolt is passed through, second port part 200
Fixed part 210 have 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, 59 millimeters of gross thickness, fastening bolt M8X8,3.5 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 1/5.
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, locking member 300 can be connected with second port part 200 by screw thread 310.It is preferred that, locking member 300 is inserted
Between the first noumenon 120 and fixed part 210, the second end 304 has the screw thread coordinated with the surface that fixed part 210 contacts with each other
310, for example, locking member 300 can be locking nut.It is appreciated that in other embodiments, locking member 300 can surround and set
Put in the outside (not shown) of fixed part 210, and the surface contacted with each other with fixed part 210 has the screw thread 310 coordinated.Pass through spiral shell
The locking member 300 that line 310 is connected need not be connected by fixture 500 again with second port part 200, so that sealing and connecting device
10 have 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.Locking member 300 can include position-limit foot 320, and position-limit foot 320 stretches out from the second end 304.After assembling
Initial sealing state under, potted component 400 have compressed the deformation of initial elasticity by locking member 300, form initial sealing.Limit
Position pin 320 can be determined with flange 110 against setting or being arranged at intervals according to actual use operating mode.After assembling initial
When position-limit foot 320 and flange 110 are spaced in sealing state, when interior media pressure increases, pressure medium passes through flange
110 are applied on potted component 400, increase the pressure on potted component 400, while making the of position-limit foot 320 and flange 110
Gap between two surfaces 114 diminishes, until being zero.At this moment, even if pressure medium continues to increase, the deformation of potted component 400
Also it is held essentially constant.Due to the presence of position-limit foot 320, the maximum deformation quantity of potted component 400 is remained substantially stationary, it is to avoid
Excessive deformation.When reached between the second surface 114 of position-limit foot 320 and flange 110 against after, suffered by potted component 400
Power is basically unchanged, it is to avoid raised by internal pressure or often acute variation and the excessive deformation of potted component 400 that occurs and
Relaxation.Because potted component 400 nevertheless suffers from the compression of locking member 300, even if because of first port part 100 and second port
Gap between part 200 changes and makees axial micro-shifting and move, and does not also interfere with sealing effectiveness.Connect, subtract compared to traditional flange
The low requirement to fixture 500 and whole resistance to deformation rigidity of the attachment means 10 under high pressure, ultra-high pressure condition.Therefore it is whole
The size of attachment means is smaller, weight saving.
Fig. 6 to Fig. 8 is referred to, in one embodiment, the second end 304 of locking member 300 has inclined-plane 306 and plane 308.
Potted component 400 is set in the interval between inclined-plane 306 and flange 110, and e.g. nonmetallic O-ring seal, metal C-shaped ring are close
Seal or metal o-ring sealing ring.When plane 308 and flange 110 are spaced, pressure medium can pass through first port part 100
The second surface 114 of flange 110 is applied on potted component 400, makes the sealing force on potted component 400 with the increasing of pressure medium
Plus and increase, make the further compression vertically of potted component 400, thus prevent under high pressure medium on potted component 400 should
Power relaxes, and forms self-tightening sealing mode.When plane 308 and flange 110 are just abutted in initial assembled state, sealing member
Pressure is basically unchanged part 400 thereafter, can avoid making potted component by internal pressure rise or often acute variation
Stress on 400 changes, so as to avoid potted component 400 from relaxation occur.
Fig. 9 and Figure 10 is referred to, in one embodiment, the second surface 114 of flange 110 has inclined-plane 1142 and plane
1144, the second end 304 of plane 1144 and locking member 300 can with it is spaced or against.The of inclined-plane 1142 and locking member 300
Potted component 400, e.g. nonmetallic O-ring seal, metal C-shaped ring sealing ring or gold are set in the interval between two ends 304
Belong to o-ring sealing ring.
Above-mentioned Fig. 6 to Figure 10 embodiment can lower the machining accuracy and assembly difficulty of part, these potted components 400
Used cooperatively with the end 304 of flange 110 or second with inclined-plane, easy and effective reliable sealing can be obtained.
In one embodiment, locking member 300 is fixedly connected with potted component 400, forms an one-piece parts, makes sealing member
Part 400 can be dismounted simultaneously with locking member 300, increase assembling convenience.Second end 304 of locking member 300 can have connection
Mechanism, such as mounting groove 330, make potted component 400 be stuck in mounting groove 330, so as to be fixedly connected with the second end 304.
Figure 11 and Figure 12 is referred to, in one embodiment, the correspondence of flange 110 has inclined-plane 1142, in assembled state, locking
Second end 304 of part 300 and the plane 1144 of flange 110 can be with spaced or against the second end 304 with locking member 300
The potted component 400 of connection is strutted by the inclined-plane 1142 of flange 110, and potted component 400 is pressed in the inner ring surface of the second connection end 202
212, first port part 100 is sealed off with second port part 200 by potted component 400 with extraneous.
Figure 13 is referred to, to increase the assembly and disassembly convenience of sealing and connecting device 10, in one embodiment, the locking member 300
The complete ring-type that be can be spliced into for partitioned organization, including multiple sub-components 360, the plurality of sub-component 360 in other embodiment
The locking member 300 of structure.
Compared with traditional flange connection, the embodiment of the present invention due to the pressure on potted component 400 under high pressure
Essentially from interior media pressure in itself, or a fixed value, do not change with pressure medium and change, so locking member
The main function that connector 500 between 300 and second port part 200 is fixedly connected no longer is to apply foot to potted component 400
Enough pressure, but the pressure medium inside pipeline or container is only resisted, therefore, the load on connector 500 significantly drops
Low, size diminishes therewith so that the overall dimension of whole connector 10 reduces, weight saving.Due to the modulus of elasticity of aluminium alloy
Only about the 1/3 of steel, for the attachment means using aluminum, its volume-diminished, the effect of weight saving will be especially notable.This hair
Bright embodiment thoroughly solves traditional flange connection asking due to the high caused potted component stress relaxation of interior media pressure
Topic, can be achieved being reliably tightly connected under high pressure, super-pressure.Using between the second end 304 of locking member 300 and flange 110
Second distance has the connected mode of minimum value, can effectively solve the problem that temperature, pressure change cause the excess compression of potted component 400
The medium leakage problem occurred afterwards.
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 (10)
1. a kind of sealing and connecting device, it is characterised in that including first port part, second port part, potted component and locking member；
The first port part has the first connection end, and first connection end is provided with flange, and the flange is with axial direction
Upper spaced first surface and second surface；The second port part has the second connection end, the second connection end tool
There are end face and inner ring surface；In assembled state, first connection end is docked with second connection end, makes the first port part
With being connected inside the second port part, the first surface of the flange is relative with the end face of second connection end
Set, the locking member is fixedly connected with the second port part, and the potted component is pressed in into the first port vertically
Between the second surface and the locking member of the flange of part, and the potted component is set to be connected to second company
The inner ring surface at end is connect, the first port part is sealed off with the second port part by the potted component with extraneous.
2. sealing and connecting device according to claim 1, it is characterised in that in assembled state, the locking member with it is described
The potted component between the second surface of flange can further be compressed by interior media pressure vertically.
3. sealing and connecting device according to claim 1, it is characterised in that the locking member leads to the second port part
Bolt is crossed to be fixedly connected.
It is and described 4. sealing and connecting device according to claim 1, it is characterised in that the locking member is locking nut
Second port part is connected through a screw thread.
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 the flange being connected with each other, and second connection end of the second port part includes being connected with each other
The second body and fixed part, in the assembled state, the fixed part is set around the flange and the first noumenon, and
It is fixedly connected with the locking member, the locking member has first end and the close first end away from the first port part
Second end of mouthful part, the first end is fixedly connected with the fixed part, the second end insertion the first noumenon with it is described
Between fixed part.
6. sealing and connecting device according to claim 5, it is characterised in that the locking member includes stretching from second end
There is spacing distance, the position-limit foot is used between the second surface of the position-limit foot gone out, the locking member and the flange
Limit the minimum value of the spacing distance.
7. sealing and connecting device according to claim 5, it is characterised in that the second end of the locking member and/or described
The second surface of flange has inclined-plane, and the potted component is connected on the inclined-plane.
8. the sealing and connecting device according to any one in claim 5 to 7, it is characterised in that the institute of the locking member
Stating the second end has bindiny mechanism, is fixedly connected with the potted component, makes the locking member and potted component formation one
Individual complete part.
9. sealing and connecting device according to claim 1, it is characterised in that the locking member is by multiple detachable subgroups
Part is spliced.
10. sealing and connecting device according to claim 1, it is characterised in that the potted component be soft metal, graphite,
Polymer or composite filler, or be nonmetallic O-ring seal, metal o-ring sealing ring or C-shaped ring sealing ring.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710258285.2A CN107023724B (en) | 2017-04-19 | 2017-04-19 | Sealing connection 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 |
| EP18151601.4A EP3392544B1 (en) | 2017-04-19 | 2018-01-15 | Sealing connector |
| JP2018003995A JP6693977B2 (en) | 2017-04-19 | 2018-01-15 | Sealed connection device |
| EP19176045.3A EP3546813A1 (en) | 2017-04-19 | 2018-01-15 | Sealing connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710258285.2A CN107023724B (en) | 2017-04-19 | 2017-04-19 | Sealing connection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107023724A true CN107023724A (en) | 2017-08-08 |
| CN107023724B CN107023724B (en) | 2023-12-12 |
Family
ID=59527138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710258285.2A Active CN107023724B (en) | 2017-04-19 | 2017-04-19 | Sealing connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107023724B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965627A (en) * | 2017-12-28 | 2018-04-27 | 宁波天生密封件有限公司 | sealing and connecting device |
| WO2018192108A1 (en) * | 2017-04-19 | 2018-10-25 | 宁波天生密封件有限公司 | Sealed connection device |
| CN115892392A (en) * | 2022-11-30 | 2023-04-04 | 中国人民解放军92578部队 | High-pressure-resistant spherical shell and sealing device of inflatable life raft system |
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| Publication number | Publication date |
|---|---|
| CN107023724B (en) | 2023-12-12 |
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