CN207261878U - sealing and connecting device - Google Patents
sealing and connecting device Download PDFInfo
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- CN207261878U CN207261878U CN201721003987.8U CN201721003987U CN207261878U CN 207261878 U CN207261878 U CN 207261878U CN 201721003987 U CN201721003987 U CN 201721003987U CN 207261878 U CN207261878 U CN 207261878U
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- locking member
- flange
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- sleeve
- sealing element
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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, anti-rotation gasket ring, the first sealing element, the second sealing element, 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 sealing element is pressed in vertically between the second surface and the first locking member of the first flange of first port part, and the first sealing element is set to be connected to the inner ring surface of sleeve, second locking member is fixedly connected with sleeve, second sealing element is pressed in vertically between the 4th surface and the second locking member of the second flange of second port part, and the second sealing element 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 sealing element 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 high temperature and pressure, 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 structure, easy to operation
In the sealed connection of the pipeline and container of source and machinery field.Traditional flange connection will need to connect using fastening bolt
Two ports connected with flange.Sealing element is placed with the sealing surface of flange port.Fastening bolt is by two end faces
While connecting together, also sealing element is axially compressed tightly against on sealing surface along flange.
The main problem of above-mentioned flanged joint is, in pipeline and storage container the rise of fluid medium pressure can make to act on
Pressure on sealing element reduces, and sealing element 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 is inadequate the problem of, so flange also needs to increase thickness, therefore conventional high-pressure flanged joint while diameter increase
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 high temperature and pressure 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, reveal the problem of, there is provided a kind of leakproofness
Can reliable sealing and connecting device.
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 sealing element, the first locking member and the second locking member；
The first port part has the first connecting pin, and the first flange is provided with first connecting pin, 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 connecting pin 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 opposite 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
Sealing element 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
Sealing element 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 limit protrusion and the second limit protrusion, and the first surface has
First limiting slot, the 3rd surface have the second limiting slot, the position of first limit protrusion and first limiting slot
Corresponding with shape, second limit protrusion is corresponding with the location and shape of second limiting slot, in assembled state, described
One limit protrusion is arranged in first limiting slot, and second limit protrusion is arranged in second limiting slot.
It is selectable, in assembled state, between first locking member and the second surface of first flange
First sealing element can further be compressed by interior media pressure vertically, and/or second locking member with it is described
Second sealing element 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 connecting pin 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 sealing element 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 sealing element 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 sealing element and/or second sealing element, makes described
First locking member and first sealing element 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 sealing element and second sealing element 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 utility model uses tube-in-tube structure, and the face between conventional flange is connected
Mode is connect, becomes the body connection mode of the first locking member, the second locking member respectively with sleeve, substantially increases sealed connection dress
The globality put, enhances antitorque, bending resistance, antivibration kinetic force, particularly suitable for the sealed connection in judder environment.This
The main function being fixedly connected between the first locking member of utility model, the second locking member and sleeve is no longer to the first sealing member
Part and the second sealing element apply enough pressure, but only resist the pressure medium inside pipeline or container and from anti-
Turn the pressure of gasket ring, therefore, the load for being fixedly connected with needs is greatly lowered, and size diminishes therewith so that whole to be tightly connected
The overall dimension of device reduces, weight saving.Sealing and connecting device component can prevent the sealing load pine under high pressure medium
Relax, can be used in the sealed connection of high-temperature and pressure pipeline and/or container.Also, between first port part and second port part
Anti-rotation gasket ring is set, prevents the first port part with the second port part around axially opposing rotation, so as to avoid being connected
Equipment between relatively rotate, improve the sealing performance of sealing and connecting device, be especially suitable for connected two and set
One of standby situation for that can be freely rotated.
Brief description of the drawings
In order to clearly demonstrate the technical solution of the utility model, attached drawing needed in the 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, without creative efforts, other attached drawings can also be obtained according to these attached drawings；
Fig. 1 is the stereochemical structure signal of the embodiment for the sealing and connecting device that the utility model makees fixing piece using bolt
Figure；
Fig. 2 is the sectional structure signal of the embodiment for the sealing and connecting device that the utility model makees fixing piece using bolt
Figure；
Fig. 3 is the dimensional structure diagram of the anti-rotation gasket ring of the utility model embodiment sealing and connecting device；
Fig. 4 is the dimensional structure diagram of the first port part of the utility model embodiment sealing and connecting device；
Fig. 5 is the schematic cross-sectional view for the embodiment that the utility model has the sealing and connecting device being threadedly coupled；
Fig. 6 is the office of the embodiment of the sealing and connecting device for first and second locking member that the utility model has position-limit foot
Portion's schematic cross-sectional view；
Fig. 7 is the dimensional structure diagram of the embodiment for the first or second locking member that the utility model has position-limit foot；
Fig. 8 is the part of the embodiment for the sealing and connecting device that the utility model has first and second bevelled locking member
Schematic cross-sectional view；
Fig. 9 is the dimensional structure diagram for the embodiment that the utility model has the bevelled first or second locking member；
Figure 10 is the broken section of the embodiment for the sealing and connecting device that the utility model has bevelled first port part
Structure diagram；
Figure 11 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 solution of the application, below with reference to accompanying drawings and embodiments, to present techniques side
Case is described in detail.It should be appreciated that specific embodiment is not used to limit the application.
Please 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, exterior 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 seals
Element 400, the second sealing element 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 connecting pin 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 connecting pin 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 detachable structure, and in assembled state, anti-rotation gasket ring 700 is arranged on the first connecting pin 102
Between second connection end 202, the first connecting pin 102 is docked with second connection end 202 by anti-rotation gasket ring 700, makes first end
Mouthful part 100 is connected 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 sealing element 400 is pressed in first port part 100 vertically
Between 114 and first locking member 300 of second surface of first flange 110, and the first sealing element 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 sealing element 410 is pressed in second vertically
Between 4th surface 214 of the second flange 210 of port 200 and the second locking member 340, and make the second sealing element 410
Be connected to the inner ring surface 602 of sleeve 600 so that first port part 100 and second port part 200 by sealing element 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 sealing element 400 and the second sealing element 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 10 interior media pressure of attachment device increases, the pressure medium of increase can be locked by first port part 100 and first
Part 300 is acted on the first sealing element 400, and is applied to the second sealing by 200 and second locking member 340 of second port part
On element 410, the pressure for making to act on the first and second sealing elements 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 sealing element is acted on during the increase of interior media pressure
Reduce.
In assembled state, the first and second sealing elements 400,410 be subject to vertically pressure so as to fulfill 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 sealing element
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 the embodiment of Fig. 1 and Fig. 2, 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 sealing element 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 sealing element 410, make first close
Sealing force on envelope 400 and second sealing element 410 of element increases with the increase of pressure medium, makes the first sealing element 400
Further compressed vertically with the second sealing element 410, so as to prevent that the first sealing element 400 and second is close under high pressure medium
The stress relaxation on element 410 is sealed, forms self-tightening sealing mode.
Specifically, first port part 100 has the first installation end 106, for the equipment installed in that need to connect, such as manage
Road or container.The tubing or ring-shaped article that first port part 100 can be integrally formed, have and are extended to from the first installation end 106
The first through hole 104 of first connecting pin 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 integrally formed, have from the
Two installation ends 206 extend to the second through hole 204 of second connection end 202.In assembled state, 104 and second through hole of first through hole
204 connections, make the fluid media (medium) between the equipment of two need connections realize connection.Anti-rotation gasket ring 700 is arranged on the first connecting pin
Between 102 and second connection end 202, the first surface 112 and second connection end 202 of the first connecting pin 102 are specifically provided in
The 3rd surface 212 between.The first surface 112 of first connecting pin 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.700 and first connecting pin 102 of anti-rotation gasket ring
The surface 710 that contacts of first surface 112 there is the first limit protrusion 720, first surface 112 has the first limiting slot 116, the
One limit protrusion 720 is corresponding with the location and shape of the first limiting slot 116, is arranged in the first limit protrusion of assembled state 720
In first limiting slot 116, the first connecting pin 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 limit protrusion 722, and the 3rd surface 212 has
There is the second limiting slot 216, the second limit protrusion 722 is corresponding with the location and shape of the second limiting slot 216, in assembled state second
Limit protrusion 722 is arranged in the second limiting 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 connecting pin 102 with second connection end 202 around axially opposing turn
It is dynamic.The position of first limit protrusion 720 and the second limit protrusion 722 can correspond or not correspond to, as long as respectively with first
116 and second limiting slot 216 of limiting slot corresponds to.
For one of two equipment need to connecting can be freely rotated 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 device, and the rotation that this torsion is formed can make the sealing surface of attachment device to sealing element
400th, 410 produce relative rotation, be likely to result in seal damage., can be to avoid connected by the setting of anti-rotation gasket ring 700
Equipment between relatively rotate, improve sealing and connecting device 10 sealing reliability, be especially suitable for connected two
One of a equipment is situation about can be freely rotated.
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
Sealing element 400,410 is annular element, and 114 and the 4th table of second surface is pressed 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
104 and second through hole 204 of through hole is isolated from the outside.The material of first, second sealing element 400,410 can be according to specific operating mode
Selection, such as can be soft metal, graphite, polymer or composite material 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 connecting pin 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 sealing elements 400,410 at the same time
Touch.Preferably, outside 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 104 and second through hole 204 of hole is equal.
Sleeve 600 is also set in outside 120 and second body 220 of part the first noumenon, with the first noumenon 120 radially (i.e.
Perpendicular to the extending direction of first through hole 104) on be spaced the first distance I set, with the second body 220 radially (i.e. perpendicular to
The extending direction 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 340 insertion portion of the second locking member are radially having and ruler of substantially equal the first distance I respectively
It is very little.In the present embodiment, on axial (i.e. the extending direction of 104 and second through hole 204 of first through hole) the first locking member 300 and
First port part 100 can relative motion so that first port part 100 in internal pressure rise to the first sealing element 400
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 sealing element 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 connecting pin 102 and locked close to the first inside portion 304 of the first connecting pin 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 600 both ends of sleeve 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 sealing element 400,410, first, second sealing element 400,410 made are in pressure
Contracting state.First, second locking member 300,340 can pass through the first fixing piece 500 and the second fixing piece 510 respectively with sleeve 600
Connection, such as by screw or be bolted.Correspondingly, 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 hole.
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. 5, in one embodiment, to reduce dimension and weight, for the close of small latus rectum (internal diameter≤26 millimeter)
Attachment device 10 is 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 fixing piece 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 is stretched 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 sealing element 400 have compressed an initial change by the first locking member 300
Shape, forms initial sealing.Position-limit foot 320 can be with the first flange 110 against setting or being arranged at intervals, according to actual use work
Condition determines.When 320 and first flange 110 of position-limit foot is spaced in initial sealing state after assembling, when interior media pressure
When power increases, pressure medium is applied on the first sealing element 400 by the first flange 110, is made on the first sealing element 400
Pressure increase, while the gap between the second surface 114 of 320 and first flange 110 of position-limit foot is diminished, until being zero.This
When, even if pressure medium continues to increase, the deformation of the first sealing element 400 is also held essentially constant.Due to depositing for position-limit foot 320
The maximum deformation quantity of the first sealing element 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 sealing element 400 is basically unchanged, and is avoided by interior
Portion's pressure medium rise or frequent acute variation cause 400 excessive deformation of the first sealing element, are sealed after pressure medium reduction
The phenomenon of power relaxation.Since the first sealing element 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 will not influence sealing effect.Compared to tradition
Flanged joint, reduce firm to the first fixing piece 500 and whole resistance to deformation of the attachment device 10 under high pressure, ultra-high pressure condition
The requirement of degree.Therefore the size of whole attachment device is smaller, weight saving.For the second sealing element 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 306 He of inclined-plane
Plane 308.The first sealing element 400 is set in interval between 306 and first flange 110 of inclined-plane, is, for example, nonmetallic O-shaped close
Seal, metal C-shaped ring sealing ring or metal o-ring sealing ring.When 308 and first flange 110 of plane 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 sealing element 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 sealing element 400, from
And prevent the stress relaxation under high pressure medium on the first sealing element 400, form self-tightening sealing mode.When plane 308 and
When initial assembled state just abuts, pressure is basically unchanged the first sealing element 400 one flange 110 thereafter,
It can avoid making the stress on the first sealing element 400 change by interior media pressure rise or frequent acute variation,
So as to avoid sealing element 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 sealing element are connected on inclined-plane 346, repeat 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 1144 and first locking member 300 of plane can it is spaced or against.Inclined-plane 1142 and first
The first sealing element 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 sealing element 410 is set, is repeated no more.
Above-described embodiment can lower the machining accuracy and assembly difficulty of part, first, second sealing element 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 sealing element 400, forms an one-piece parts,
The first sealing element 400 is set to be dismounted at the same time 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 sealing element 400 is stuck in mounting groove 330, so that
It is fixedly connected with the first inside portion 304.Identical, the second locking member 340 can also be by identical with the second sealing element 410
Mode is fixedly connected, and is formed an one-piece parts, is repeated no more.
In one embodiment, the first flange 110, which corresponds to, 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 spaced or against in the first of the first locking member 300
The first sealing element 400 that sidepiece 304 connects is strutted by the inclined-plane 1142 of the first flange 110, and the first sealing element 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.
1 is please referred to Fig.1, 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 utility model embodiment is due to first, second sealing element 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 sealing element 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 since the elasticity modulus of aluminium alloy only has about the 1/3 of steel
In the attachment device using aluminum, its volume-diminished, the effect of weight saving will be especially notable.The utility model embodiment is thorough
Traditional flanged joint sealing element stress relaxation caused by interior media pressure height is solved the problems, such as, it can be achieved that height
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 344 and first, second flange 110,210 of portion has the connection mode of minimum value, can effectively solve the problem that temperature
Degree, pressure change cause the medium leakage problem occurred after first, second sealing element 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 utility model, its description is more specific and detailed,
But it should not be interpreted as limiting the scope of the present invention.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 (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 sealing element, the second sealing element, the first locking member and the second locking member；
The first port part has the first connecting pin, and first connecting pin 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 connecting pin 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 opposite 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 is sealed 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 limit protrusion
With the second limit protrusion, the first surface has the first limiting slot, and the 3rd surface has the second limiting slot, and described first
Limit protrusion is corresponding with the location and shape of first limiting slot, the position of second limit protrusion and second limiting slot
Put corresponding with shape, in assembled state, first limit protrusion is arranged in first limiting slot, second limit convex
Rise and be arranged in second limiting slot.
3. sealing and connecting device according to claim 1, it is characterised in that in assembled state, first locking member with
First sealing element between the second surface of first flange can be vertically by interior media pressure into one
Step compression, and/or second sealing element 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 into 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, has 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, has 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 sealing element 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 sealing element 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 sealing element and/or second sealing element are fixedly connected, and make first locking member and first sealing element
Form a complete part and/or second locking member is formed a complete part with second sealing element.
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 sealing element and described second
Sealing element is soft metal, graphite, polymer or composite material 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 |
|---|---|---|---|
| CN201721003987.8U CN207261878U (en) | 2017-08-11 | 2017-08-11 | sealing and connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721003987.8U CN207261878U (en) | 2017-08-11 | 2017-08-11 | sealing and connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207261878U true CN207261878U (en) | 2018-04-20 |
Family
ID=61924672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721003987.8U Active CN207261878U (en) | 2017-08-11 | 2017-08-11 | sealing and connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207261878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461557A (en) * | 2017-08-11 | 2017-12-12 | 宁波天生密封件有限公司 | sealing and connecting device |
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2017
- 2017-08-11 CN CN201721003987.8U patent/CN207261878U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461557A (en) * | 2017-08-11 | 2017-12-12 | 宁波天生密封件有限公司 | sealing and connecting device |
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