CN206770832U - sealing and connecting device - Google Patents
sealing and connecting device Download PDFInfo
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- CN206770832U CN206770832U CN201720513701.4U CN201720513701U CN206770832U CN 206770832 U CN206770832 U CN 206770832U CN 201720513701 U CN201720513701 U CN 201720513701U CN 206770832 U CN206770832 U CN 206770832U
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Abstract
It the utility model is related 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 in vertically between the second surface and the first locking member of the first flange of first port part, and the first potted component is set to be connected to the inner ring surface of sleeve, second locking member is fixedly connected with sleeve, second potted component is pressed in vertically between the 4th surface and the second locking member of the second flange of second port part, and the second potted component is set to be 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 especially suitable for high pressure, high-temperature medium, the sealed connection field between alternating temperature, transformation medium pipeline and container, such as space flight and deep-sea field.
Description
Technical field
It the utility model is related to field of sealing technology, more particularly, to HTHP, alternating temperature transformation fluid media (medium) pipeline and set
Standby 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 widely used in chemical industry, energy because with the advantages of simple in construction, easy to operation
In the sealed connection of the pipeline and container of source and mechanical field.Traditional flange connection will need to connect 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, in pipeline and storage container the rise of fluid medium pressure can make to act on
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) leaks.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
Rigidity it is inadequate the problem of, so flange also needed to while diameter increase increase thickness, therefore conventional high-pressure flange connection
Device structure is very heavy.
Sealing load is caused to decline in order to solve high-pressure medium, the phenomenon of seal relaxation, 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 wedge type ring sealing be only applicable to end cap seal, be not used to pipeline and
The connection of container；Nonmetallic Type B ring is limited to the temperature in use of resilient nonmetallic material, can not meet that HTHP is tightly connected
Needs.
Utility model content
The purpose of this utility model is：For the sealing and connecting device of current high-temperature, high pressure fluid medium pipeline and container by
In interior media pressure rise or temperature change cause sealing load to relax, revealed the problem of, there is provided a kind of sealing
Can reliable sealing and connecting device.
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 the first flange is provided with first connection end, and described
One flange has first surface spaced in the axial direction and second surface；
The second port part has a second connection end, and the second connection end is provided with the second flange, and described
Two flanges have the 3rd surface spaced in the axial direction and the 4th surface；
In assembled state, first connection end is docked with the 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, pass through spiral shell with the sleeve
Line connects.
Selectable, first connection end of the first port part includes the first noumenon being connected with each other and described the
One flange, the second connection end of the second port part include the second body being connected with each other and second flange,
The assembled state, the sleeve surround 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 of close first flange, first outside portion is fixed with the sleeve
Connection, first inside portion are 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 of close second flange, second outside portion is consolidated with the sleeve
Fixed connection, second inside portion are inserted between second body and the sleeve.
It is selectable, first locking member include from first inside portion stretch out the first position-limit foot, described first
There is spacing distance, first position-limit foot is used to limiting between this between the second surface of inside portion and first flange
Gauge from minimum value.
It is selectable, second locking member include from second inside portion stretch out the second position-limit foot, described second
There is spacing distance, second position-limit foot is used to limiting 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 form a complete part and/or make second locking member and described second close
Seal element and form a complete part.
It is selectable, first locking member and/or second locking member by multiple detachable sub-components splicings and
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, between the locking member of the utility model first, the second locking member and sleeve
The main function being fixedly connected no longer is to apply enough pressure to the first potted component and the second potted component, but only right
Pressure medium inside anti-pipeline or container, therefore, the load for being fixedly connected with needs is greatly lowered, and size diminishes therewith, makes
The overall dimension for obtaining whole connector reduces, weight saving.Sealing and connecting device component can prevent close under high pressure medium
Power relaxation is tamping, can be used in the sealed connection of high-temperature and pressure pipeline and/or container.
Brief description of the drawings
In order to clearly demonstrate the technical solution of the utility model, the required accompanying drawing used in embodiment will be made below
Simply introduce.It should be evident that drawings in the following description are only some embodiments of the utility model, for this area
For those of ordinary skill, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings；
Fig. 1 is the stereochemical structure signal of the embodiment for the sealing and connecting device that the utility model makees fixture using bolt
Figure；
Fig. 2 is the sectional structure signal of the embodiment for the sealing and connecting device that the utility model makees fixture using bolt
Figure；
Fig. 3 is the cross section structure diagram of the embodiment for the sealing and connecting device that the utility model has threaded connection；
Fig. 4 is cuing open for the embodiment of the sealing and connecting device for first and second locking member that the utility model has position-limit foot
Depending on structural representation；
Fig. 5 is the dimensional structure diagram of the embodiment for the first or second locking member that the utility model has position-limit foot；
Fig. 6 is the section view of the embodiment for the sealing and connecting device that the utility model has first and second bevelled locking member
Structural representation；
Fig. 7 is the dimensional structure diagram for the embodiment that the utility model has the bevelled first or second locking member；
Fig. 8 is the broken section knot of the embodiment for the sealing and connecting device that the utility model has bevelled first port part
Structure schematic diagram；
Fig. 9 is the dimensional structure diagram of the embodiment for the first or second locking member that the utility model has 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.
Referring 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 be 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 has 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 second connection end 202, and 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, right in assembled state, the first connection end 102 and second connection end 202
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 are 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 reduces, and 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 for making to act on the first and second potted components 400,410 increases 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 the sealed connection of container.And conventional flange is connected to the pressure meeting that potted component is acted on during the increase of interior media pressure
Reduce.
In assembled state, the first and second potted components 400,410 are by pressure vertically so as to realizing initial sealing.The
There is interval region between one locking member 300 and the first flange 110 of first port part 100, for accommodating the first potted component
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, such as in Fig. 1 and Fig. 2 embodiment, the first locking member 300 and the first flange 110 can
Interval 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, form self-tightening sealing mode.
Specifically, first port part 100 has the first installation end 106, for the equipment installed in that need to connect, such as manage
Road or container.The tubing or ring-shaped article that first port part 100 can be formed in one, have and 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.The tubing or ring-shaped article that second port part 200 can be formed in one, have from the
Two installation ends 206 extend to the second through hole 204 of second connection end 202.In assembled state, the through hole of first through hole 104 and second
204 connections, the fluid media (medium) between the equipment of two need connections is set to realize connection.The first surface 112 of first connection end 102 with
There is gap between 3rd surface 212 of second connection end 202, the gap and the internal through hole 204 of first through hole 104 and second
Connection is, it is necessary to seal to be isolated from the outside.
First and second potted components 400,410 are annular element, and is press respectively against by the first and second locking members 300,340
On two surfaces 114 and the 4th surface 214 and be bonded inner ring surface 602, so as to 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 select according to specific operating mode, such as can be soft metal, graphite, polymer or composite etc..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 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 move 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 contacts 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 be spaced the first distance I set, with the second body 220 radially (i.e. perpendicular to
The bearing of trend of second through hole 204) on be spaced the first distance 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 and chi of substantially equal the first distance 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 is the first outside portion 302 away from the first connection end 102 and locked close to the first inside portion 304 of the first connection end 102, second
Part 340 has the second outside portion 342 away from second connection end 202 and the second inside portion 344 of close second connection end 202.
First outside portion 302 and the second outside portion 342 are fixedly connected with the both 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
Distance II, the second locking member 340 and the second flange 210 are spaced second distance II in the axial direction.Preferably, second distance II distinguishes
Size when uncompressed less than first, second potted component 400,410, first, second potted component 400,410 made are 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, such as 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 passes 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, fastening bolt M30X4 of gross thickness, about 18 kilograms of gross weight；It is maximum using the utility model embodiment
115 millimeters of diameter, 80 millimeters, fastening bolt M8X8 of gross thickness, 4.5 kilograms of gross weight.The utility model embodiment and routine side
Case is compared, and size reduces about half, and 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 passing through fixture again
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, form 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 determines.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 the gap between the second surface 114 of the flange 110 of position-limit foot 320 and first is diminished, 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 remains substantially stationary, and avoids excessive deformation.When position-limit foot 320 and first convex
Reach between the second surface 114 of edge 110 against afterwards, the power suffered by the first potted component 400 is basically unchanged, and is avoided 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
When initial assembled state just abuts, pressure is basically unchanged the first potted component 400 one flange 110 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,
The first potted component 400 is set to be dismounted simultaneously with the first locking member 300, increase assembling convenience.The of first locking member 300
One inside portion 304 can have bindiny mechanism, such as mounting groove 330, the first potted component 400 is stuck in mounting groove 330, so as to
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 is corresponding has inclined-plane 1142, in assembled state, 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 connects 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, to increase the assembly and disassembly convenience of 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 utility model embodiment is due to first, second potted component 400,410
On pressure under high pressure essentially from interior media pressure in itself, an or fixed value, do not change with pressure medium and
Change, so first, second connector 500,510 between first, second locking member 300,340 and sleeve 600 is fixedly connected
Main function be no longer to apply enough pressure to first, second potted component 400,410, but only resist pipeline or appearance
Pressure medium inside device, therefore, the load on first, second connector 500,510 are greatly lowered, and size diminishes therewith,
So that the overall dimension of whole connector 10 reduces, weight saving.It is right because the modulus of elasticity of aluminium alloy only has about the 1/3 of steel
In the attachment means using aluminum, its volume-diminished, the effect of weight saving will be especially notable.The utility model embodiment is thorough
Solve the problems, such as traditional flange connection potted component stress relaxation caused by interior media pressure height, height can be achieved
Reliable sealed connection under pressure, super-pressure.Using the 304, second inner side of the first inside portion of first, second locking member 300,340
Second distance between the flange 110,210 of portion 344 and first, second has the connected mode of minimum value, can effectively solve the problem that temperature
Degree, pressure change cause the medium leakage problem occurred after first, second potted component 400,410 excess compressions.
This sealing and connecting device 10 is especially suitable for high pressure, high-temperature medium, between alternating temperature, transformation medium pipeline and container
Sealed connection field, such as space flight and deep-sea field.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent 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 second connection end, and the 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 the 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 being connected with each other and first flange, and the 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 is around first flange, described first
Body, second flange and second body are set, and are fixed and connected 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 of close first flange
Portion, first outside portion are fixedly connected with the sleeve, and the first noumenon and the sleeve are inserted in first inside portion
Between, second locking member has in second of the second outside portion and close second flange away from second flange
Sidepiece, second outside portion are 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, there is interval between first inside portion and the second surface of first flange
Distance, first position-limit foot are 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, there is interval between second inside portion and the 4th surface of second flange
Distance, second position-limit foot are 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 second locking member is set to form a complete part with second potted component.
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720513701.4U CN206770832U (en) | 2017-05-10 | 2017-05-10 | sealing and connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720513701.4U CN206770832U (en) | 2017-05-10 | 2017-05-10 | sealing and connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206770832U true CN206770832U (en) | 2017-12-19 |
Family
ID=60649847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720513701.4U Active CN206770832U (en) | 2017-05-10 | 2017-05-10 | sealing and connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206770832U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013773A (en) * | 2017-05-10 | 2017-08-04 | 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 |
| CN108730656A (en) * | 2018-06-08 | 2018-11-02 | 南通合强液压科技有限公司 | It can axial movable high pressure centre connecting flange structure and its application method |
-
2017
- 2017-05-10 CN CN201720513701.4U patent/CN206770832U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018192108A1 (en) * | 2017-04-19 | 2018-10-25 | 宁波天生密封件有限公司 | Sealed connection device |
| CN107013773A (en) * | 2017-05-10 | 2017-08-04 | 宁波天生密封件有限公司 | Sealing and connecting device |
| CN108730656A (en) * | 2018-06-08 | 2018-11-02 | 南通合强液压科技有限公司 | It can axial movable high pressure centre connecting flange structure and its application method |
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