CN107461557A - sealing and connecting device - Google Patents
sealing and connecting device Download PDFInfo
- Publication number
- CN107461557A CN107461557A CN201710686197.2A CN201710686197A CN107461557A CN 107461557 A CN107461557 A CN 107461557A CN 201710686197 A CN201710686197 A CN 201710686197A CN 107461557 A CN107461557 A CN 107461557A
- Authority
- CN
- China
- Prior art keywords
- locking member
- flange
- sealing
- sleeve
- 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.)
- Pending
Links
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
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
- F16L27/0804—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
- F16L27/0808—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation
- F16L27/0812—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation with slide bearings
Landscapes
- 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, anti-rotation gasket ring, the first potted component, the second potted component, the first locking member and the second locking member；Sleeve is sheathed on the anti-rotation gasket ring vertically, outside first flange and the second flange, 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
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 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.
The content of the invention
The purpose of the present invention is：For the sealing and connecting device of current high-temperature, high pressure fluid medium pipeline and container due to interior
Portion's pressure medium rise or temperature change cause sealing load to relax, the problem of leakage, there is provided a kind of sealing property can
The sealing and connecting device leaned on.
A kind of sealing and connecting device, including first port part, second port part, sleeve, anti-rotation gasket ring, 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 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；
The anti-rotation gasket ring be used for it is spacing to the first port part and the second port part respectively, prevent described first
Port is with the second port part around axially opposing rotation；
In assembled state, first connection end is docked with the second connection end by the anti-rotation gasket ring, is made described
First port part inside the second port part with connecting, the first surface of first flange and second flange
3rd surface is relative and is set by the anti-turning pad central spacer, the sleeve be sheathed on vertically the anti-rotation gasket ring,
Outside first flange and second flange, first locking member is fixedly connected with the sleeve, close by described first
Envelope element is pressed between the second surface of first flange and first locking member vertically, and makes described first
Potted component is connected to the inner ring surface of the sleeve, and second locking member is fixedly connected with the sleeve, close by described second
Envelope element is pressed between the 4th surface of second flange and second locking member vertically, and makes described second
Potted component is connected to the inner ring surface of the sleeve so that the first port part pass through with the second port part it is described close
Element is sealed to seal off with extraneous.
Selectable, the anti-rotation gasket ring has the first spacing preiection and the second spacing preiection, and the first surface has
First stopper slot, the 3rd surface have the second stopper slot, the position of first spacing preiection and first stopper slot
Corresponding with shape, second spacing preiection is corresponding with the location and shape of second stopper slot, in assembled state, described
One spacing preiection is arranged in first stopper slot, and second spacing preiection is arranged in second stopper slot.
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 is around first flange, the first noumenon, the anti-rotation gasket ring, second flange
Being set with second body, the sleeve is fixedly connected with first locking member and second locking member, and described first
First inside portion of the locking member with the first outside portion away from first flange and close first flange, described first
Outside portion is fixedly connected with the sleeve, and first inside portion is inserted between the first noumenon and the sleeve, and described the
Two locking members have the second outside portion away from second flange and close to the second inside portions of second flange, and described the
Two outside portions are fixedly connected with the sleeve, and second inside portion is 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, the present invention uses tube-in-tube structure, by the face connection side between conventional flange
Formula, become the body connected mode of the first locking member, the second locking member respectively with sleeve, substantially increase sealing and connecting device
Globality, antitorque, bending resistance, antivibration kinetic force are enhanced, particularly suitable for the sealed connection in judder environment.The present invention
The main function being fixedly connected between first locking member, the second locking member and sleeve is no longer to the first potted component and second
Potted component applies enough pressure, but only resists the pressure medium inside pipeline or container and from anti-rotation gasket ring
Pressure, therefore, the load for being fixedly connected with needs are greatly lowered, and size diminishes therewith so that entirely sealing and connecting device is total
Body size reduces, weight saving.Sealing and connecting device component can prevent that sealing load relaxes under high pressure medium, Neng Gouyong
In the sealed connection of high-temperature and pressure pipeline and/or container.Also, anti-turning pad is set between first port part and second port part
Ring, the first port part and the second port part are prevented around axially opposing rotation, so as to avoid between connected equipment
Relatively rotate, improve the sealing property of sealing and connecting device, it is energy to be especially suitable for one of two connected equipment
Enough situations about freely rotating.
Brief description of the drawings
In order to clearly demonstrate technical scheme, the required accompanying drawing used in embodiment will be made below simple
Ground introduction.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 dimensional structure diagram of the anti-rotation gasket ring of sealing and connecting device of the embodiment of the present invention；
Fig. 4 is the dimensional structure diagram of the first port part of sealing and connecting device of the embodiment of the present invention；
Fig. 5 is the cross section structure diagram of the embodiment for the sealing and connecting device that the present invention has threaded connection；
Fig. 6 is the partial cutaway of the embodiment of the sealing and connecting device for first and second locking member that the present invention has position-limit foot
Depending on structural representation；
Fig. 7 is the dimensional structure diagram of the embodiment for the first or second locking member that the present invention has position-limit foot；
Fig. 8 is the broken section of the embodiment for the sealing and connecting device that the present invention has first and second bevelled locking member
Structural representation；
Fig. 9 is the dimensional structure diagram of the embodiment of the present invention the bevelled first or second locking member of tool；
Figure 10 is the broken section structure of the embodiment for the sealing and connecting device that the present invention has bevelled first port part
Schematic diagram；
Figure 11 is the dimensional structure diagram of the embodiment for the first or second locking member that the present invention 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, anti-rotation gasket ring 700, first and sealed
Element 400, the second potted component 410, the first locking member 300 and the second locking member 340；First port part 100 has first to connect
End 102 is connect, and the first flange 110 is provided with the first connection end 102, the first flange 110 has spaced in the axial direction
First surface 112 and second surface 114；Second port part 200 has second connection end 202, and is set in second connection end 202
There is 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 is used to dock by anti-rotation gasket ring 700 with the first connection end 102.Anti-rotation gasket ring 700 is used for respectively to first
Port 100 and second port part 200 are spacing, prevent first port part 100 from being relatively rotated with second port part 200.
Sealing and connecting device 10 is demountable structure, and in assembled state, anti-rotation gasket ring 700 is arranged on the first connection end 102
Between second connection end 202, the first connection end 102 is docked with second connection end 202 by anti-rotation gasket ring 700, makes first end
Mouthful part 100 connects with the inside of second port part 200, and the first surface 112 of the first flange 110 is for the with the second flange 210
Three surfaces 212 are oppositely arranged, sleeve 600 be sheathed on vertically anti-rotation gasket ring 700, the first flange 110 and the second flange 210 it
Outside, the first locking member 300 is fixedly connected with sleeve 600, and the first potted component 400 is pressed in into first port part 100 vertically
Between the locking member 300 of second surface 114 and first of first 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 vertically
Between 4th surface 214 of the second flange 210 of port 200 and the second locking member 340, and make the second potted component 410
Be connected to the inner ring surface 602 of sleeve 600 so that first port part 100 and second port part 200 by potted component 400 and
410 seal off with extraneous.
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.Anti-rotation gasket ring 700 is arranged on the first connection end
Between 102 and second connection end 202, the first surface 112 and second connection end 202 of the first connection end 102 are specifically provided in
The 3rd surface 212 between.The first surface 112 of first connection end 102 is distinguished with the 3rd surface 212 of second connection end 202
The surface 710 axially opposed with anti-rotation gasket ring 700 contacts.
Fig. 3 and Fig. 4 is please participated in the lump, and anti-rotation gasket ring 700 has axially opposed surface 710, is connected respectively with first
The first surface 112 at end 102 and the 3rd surface 212 of second connection end 202 contact.The connection end 102 of anti-rotation gasket ring 700 and first
The surface 710 that contacts of first surface 112 there is the first spacing preiection 720, first surface 112 has the first stopper slot 116, the
One spacing preiection 720 is corresponding with the location and shape of the first stopper slot 116, is arranged in the first spacing preiection of assembled state 720
In first stopper slot 116, the first connection end 102 can be limited relative to anti-rotation gasket ring 700 around axially opposing rotation.Anti-rotation gasket ring
700 surfaces 710 contacted with the 3rd surface 212 of second connection end 202 have the second spacing preiection 722, and the 3rd surface 212 has
There is the second stopper slot 216, the second spacing preiection 722 is corresponding with the location and shape of the second stopper slot 216, in assembled state second
Spacing preiection 722 is arranged in the second stopper slot 216, can limit second connection end 202 relative to anti-rotation gasket ring 700 around axial direction
Relatively rotate.Thus, being realized by anti-rotation gasket ring 700 prevents the first connection end 102 with second connection end 202 around axially opposing turn
It is dynamic.The position of first spacing preiection 720 and the second spacing preiection 722 mutually can correspond to or not correspond to, as long as respectively with first
The stopper slot 216 of stopper slot 116 and second is corresponding.
For one of two equipment need to connecting freely can to rotate and unfixed situation, for example, pipeline and pipeline it
Between, between pipeline and container, or the connection between container and container, connected equipment are artificially rotated or due to equipment knots
Structure factor produces torsion in attachment means, and the rotation that this torsion is formed can make the sealing surface of attachment means to potted component
400th, 410 produce relative rotation, be likely to result in seal damage.By the setting of anti-rotation gasket ring 700, can avoid being connected
Equipment between relatively rotate, improve sealing and connecting device 10 sealing reliability, be especially suitable for connected two
One of individual equipment is situation about can freely rotate.
Anti-rotation gasket ring 700 has the through hole 730 connected respectively with first through hole 104 with the second through hole 204.First and second
Potted component 400,410 is annular element, and the table of second surface 114 and the 4th is press respectively against by the first and second locking members 300,340
On face 214 and inner ring surface 602 is bonded, so as to form sealing between first port part 100 and second port part 200, makes first
The through hole 204 of through hole 104 and second is isolated from the outside.The material of first, second potted component 400,410 can be according to specific operating mode
Selection, such as can be soft metal, graphite, polymer or composite etc..First, second potted component 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, sleeve 600 is set in anti-turning pad vertically
Outside ring 700, the first flange 110 and the second flange 120, the internal diameter of sleeve 600 and the first flange 110 and the second flange 120 it is outer
Footpath is engaged, and the first flange 110 and the second flange 120 is moved in the axial direction.Sleeve 600 is used for and the first locking member
300 are fixedly connected with the second locking member 340.Identical inner ring surface 602 connects with the first and second potted components 400,410 simultaneously
Touch.Preferably, external diameter of the internal diameter of sleeve 600 also with anti-rotation gasket ring 700 is engaged, and the internal diameter of anti-rotation gasket ring 700 and first leads to
The diameter of the through hole 204 of hole 104 and second is equal.
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；Using the embodiment of the present invention, maximum gauge
115 millimeters, 80 millimeters, fastening bolt M8X8 of gross thickness, 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. 5, 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. 6 and Fig. 7 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 medium rise or frequent acute variation cause the excessive deformation of the first potted component 400, are sealed after pressure medium reduction
The phenomenon of power relaxation.Because the first potted component 400 nevertheless suffers from the compression of the first locking member 300, even if because of first port part
Gap between 100 and second port part 200 changes and makees axial micro-shifting and move, and does not also interfere with sealing effectiveness.Compared to tradition
Flange connection, reduce firm to the first fixture 500 and whole resistance to deformation of the attachment means 10 under high pressure, ultra-high pressure condition
The requirement of degree.Therefore the size of whole attachment means is smaller, weight saving.For the second potted component 410, the second locking member
340 position-limit foot 320 also has identical set-up mode and effect, repeats no more.The position-limit foot 320 of first locking member 300 limits
The minimum of spacing distance between first inside portion 304 of the first locking member 300 and the second surface 114 of the first flange 110
Value, the position-limit foot 320 of the second locking member 340 limit the second inside portion 344 and the second flange 210 of the second locking member 340
The minimum value of spacing distance between 4th surface 214.
Fig. 8 and Fig. 9 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. 10, 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.Identical, the second flange 210
4th surface 214 can also have inclined-plane and a plane, in the interval between inclined-plane and the second inside portion 344 of the second locking member 340
Second potted component 410 is set, repeated no more.
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.
Figure 11 is referred to, 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
First, second locking member 300,340 of the complete cyclic structure in embodiment.
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, do not change with pressure medium and change,
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 the potted component stress relaxation caused by interior media pressure height the problem of, can be achieved under high pressure, super-pressure
Reliable sealed connection.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 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 the several embodiments of the present invention, and its description is 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 (13)
1. a kind of sealing and connecting device, it is characterised in that including first port part, second port part, sleeve, anti-rotation gasket ring,
One potted component, 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；
The anti-rotation gasket ring be used for it is spacing to the first port part and the second port part respectively, prevent the first port
Part is with the second port part around axially opposing rotation；
In assembled state, first connection end is docked with the second connection end by the anti-rotation gasket ring, makes described first
For port with being connected inside the second port part, the first surface of first flange is described with second flange
3rd surface is relative and is set by the anti-turning pad central spacer, and the sleeve is sheathed on the anti-rotation gasket ring, described vertically
Outside first flange and second flange, first locking member is fixedly connected with the sleeve, by the described first sealing member
Part is pressed between the second surface of first flange and first locking member vertically, and makes first sealing
Element is connected to the inner ring surface of the sleeve, and second locking member is fixedly connected with the sleeve, by the described second sealing member
Part is pressed between the 4th surface of second flange and second locking member vertically, and makes second sealing
Element is connected to the inner ring surface of the sleeve, so that the first port part passes through the sealing member with the second port part
Part seals off with extraneous.
2. sealing and connecting device according to claim 1, it is characterised in that the anti-rotation gasket ring has the first spacing preiection
With the second spacing preiection, the first surface has the first stopper slot, and the 3rd surface has the second stopper slot, and described first
Spacing preiection is corresponding with the location and shape of first stopper slot, the position of second spacing preiection and second stopper slot
Put corresponding with shape, in assembled state, first spacing preiection is arranged in first stopper slot, second limit convex
Rise and be arranged in second stopper slot.
3. 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.
4. 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.
5. 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.
6. 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, the anti-rotation gasket ring, second flange and second body are set, the sleeve and first locking member and institute
State the second locking member to be fixedly connected, first locking member has the first outside portion of remote first flange and close to described
First inside portion of the first flange, first outside portion are fixedly connected with the sleeve, described in the first inside portion insertion
Between the first noumenon and the sleeve, second locking member has the second outside portion and close institute away from second flange
The second inside portion of the second flange is stated, second outside portion is fixedly connected with the sleeve, and institute is inserted in second inside portion
State between the second body and the sleeve.
7. sealing and connecting device according to claim 6, 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.
8. sealing and connecting device according to claim 6, 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.
9. sealing and connecting device according to claim 6, 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.
10. sealing and connecting device according to claim 6, 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.
11. the sealing and connecting device according to any one in claim 6 to 10, it is characterised in that first locking
First inside portion of part and/or second inside portion of second locking member have bindiny mechanism, respectively with it is described
First potted component and/or second potted component are fixedly connected, and make first locking member and first potted component
Form a complete part and/or second locking member is formed a complete part with second potted component.
12. 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.
13. 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 (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710686197.2A CN107461557A (en) | 2017-08-11 | 2017-08-11 | sealing and connecting 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 |
|---|---|---|---|
| CN201710686197.2A CN107461557A (en) | 2017-08-11 | 2017-08-11 | sealing and connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107461557A true CN107461557A (en) | 2017-12-12 |
Family
ID=60547366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710686197.2A Pending CN107461557A (en) | 2017-04-19 | 2017-08-11 | sealing and connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107461557A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730656B (en) * | 2018-06-08 | 2021-05-14 | 南通合强液压科技有限公司 | Axially movable high-pressure intermediate connecting flange structure and use method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050200129A1 (en) * | 2004-03-15 | 2005-09-15 | Bongiorno Louis C. | Aseptic flanged joint |
| CN203297293U (en) * | 2013-06-04 | 2013-11-20 | 中联重科股份有限公司渭南分公司 | Anti-loosening gasket for threaded connection structure and threaded connection structure |
| CN204628874U (en) * | 2015-04-17 | 2015-09-09 | 武汉工程大学 | A kind of rectangular toe joint touch flange |
| CN205745764U (en) * | 2014-09-27 | 2016-11-30 | 韦巴斯托股份公司 | Gas exhaust tube flange |
| CN106764044A (en) * | 2016-11-29 | 2017-05-31 | 大连圣洁真空技术开发有限公司开发区分公司 | Tap anti-rotation gasket |
| CN106996491A (en) * | 2017-02-24 | 2017-08-01 | 武汉理工大学 | A kind of Mechanical Autofrettage formula fluid foods conveyance conduit attachment means |
| CN107013773A (en) * | 2017-05-10 | 2017-08-04 | 宁波天生密封件有限公司 | Sealing and connecting device |
| CN207261878U (en) * | 2017-08-11 | 2018-04-20 | 宁波天生密封件有限公司 | sealing and connecting device |
-
2017
- 2017-08-11 CN CN201710686197.2A patent/CN107461557A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050200129A1 (en) * | 2004-03-15 | 2005-09-15 | Bongiorno Louis C. | Aseptic flanged joint |
| CN203297293U (en) * | 2013-06-04 | 2013-11-20 | 中联重科股份有限公司渭南分公司 | Anti-loosening gasket for threaded connection structure and threaded connection structure |
| CN205745764U (en) * | 2014-09-27 | 2016-11-30 | 韦巴斯托股份公司 | Gas exhaust tube flange |
| CN204628874U (en) * | 2015-04-17 | 2015-09-09 | 武汉工程大学 | A kind of rectangular toe joint touch flange |
| CN106764044A (en) * | 2016-11-29 | 2017-05-31 | 大连圣洁真空技术开发有限公司开发区分公司 | Tap anti-rotation gasket |
| CN106996491A (en) * | 2017-02-24 | 2017-08-01 | 武汉理工大学 | A kind of Mechanical Autofrettage formula fluid foods conveyance conduit attachment means |
| CN107013773A (en) * | 2017-05-10 | 2017-08-04 | 宁波天生密封件有限公司 | Sealing and connecting device |
| CN207261878U (en) * | 2017-08-11 | 2018-04-20 | 宁波天生密封件有限公司 | sealing and connecting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730656B (en) * | 2018-06-08 | 2021-05-14 | 南通合强液压科技有限公司 | Axially movable high-pressure intermediate connecting flange structure and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2559216C2 (en) | Bidirectional self-balancing shutdown pressure valve | |
| CN107143708A (en) | Sealing and connecting device | |
| CN107013773A (en) | Sealing and connecting device | |
| US6578880B2 (en) | Wedgethread pipe connection | |
| US2687229A (en) | Pressure tightened joint | |
| CN206770832U (en) | sealing and connecting device | |
| CN103939607B (en) | A kind of integration type shaft end sealing device | |
| CN105849445B (en) | Metal flange connects washer | |
| US3680188A (en) | Method of assembling a seal unit | |
| CN107023724A (en) | Sealing and connecting device | |
| CN207261878U (en) | sealing and connecting device | |
| CN204704510U (en) | Compression locking hoop formula fluid delivery pipeline Quick Connect Kit | |
| CN206656054U (en) | Sealing and connecting device | |
| CN107461557A (en) | sealing and connecting device | |
| CN102359690B (en) | Safety anti-explosion self-sealing rotary compensator | |
| CN104482337B (en) | Compression locking hoop formula fluid delivery pipeline Quick Connect Kit | |
| JP6693977B2 (en) | Sealed connection device | |
| CN106287046B (en) | A kind of highly pressurised liquid two way seal pipe joint | |
| CN201925631U (en) | Stainless steel hard-seal pipe connector | |
| CN107965627A (en) | sealing and connecting device | |
| CN208280936U (en) | The flexible gas gasket of common screw thread oil pipe hermetic seal | |
| CN207893294U (en) | Sealing and connecting device | |
| CN103939447A (en) | Double-seal bolt | |
| CN209705371U (en) | A kind of high-pressure ball valve with redundancy packing seal structure | |
| CN208123447U (en) | A kind of multi-function non-contact mechanical seal tracing ability experimental provision |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |