CN201539655U - High leakage-resistant flange joint - Google Patents
High leakage-resistant flange joint Download PDFInfo
- Publication number
- CN201539655U CN201539655U CN2009201617022U CN200920161702U CN201539655U CN 201539655 U CN201539655 U CN 201539655U CN 2009201617022 U CN2009201617022 U CN 2009201617022U CN 200920161702 U CN200920161702 U CN 200920161702U CN 201539655 U CN201539655 U CN 201539655U
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- China
- Prior art keywords
- ring body
- ring
- edge face
- plane
- interior edge
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- Expired - Fee Related
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model relates to a high leakage-resistant flange joint, comprising a first ring body and a second ring body respectively combined at the pipe end. The ring bodies comprise inner end surfaces that are oppositely combined and provided with sealing interfaces; the interface comprises an annular groove; the flange joint comprises a sealing ring which is made of metal with the expansion coefficient larger than the two ring bodies and is received in the groove in a matched way; and the sealing ring is provided with an outer ring wall which is provided with at least one inclined plane for propping against the outer periphery wall of the groove. When the sealing interface forms a slot due to high temperature or high pressure, the outer ring wall of the sealing ring is tightly combined with the outer periphery wall of the groove to prevent leakage of the sealing interface.
Description
Technical field
The utility model relates to the flanged joint that high resistant leaks, and refers to provide the flange arrangement that connects body or pipeline equipment interface especially.
Background technique
For the connection of the body with larger aperture, cylindrical shell or pipeline equipment interface, typically use flange (Flanges), also claim flange joint, engage and dismounting with convenient.The flange of prior art generally is to make annular body by for example stainless metal material, the perforation that the central authorities of this annular body have the outside dimension with the tube end of institute winding to meet, on this annular body and have a plurality ofly according to the separated screw of predetermined angle, and this annular body is provided with the interior edge face of high planarization.When two flanges form the seal interface with interior edge face butt joint and at sealing interface installing rubber-like seal ring, and insert in the corresponding screw with bolt and to lock, two flanges are closely connected.
The flange of prior art be because the high planarization processing of interior edge face can make the interface that is formed by the interior edge face butt joint have good adaptation, thereby had in the connection use that wide-aperture body or pipeline equipment interface are provided and prevent the effect of leaking.Yet, when body that connects when flange or pipeline transport the fluid of high pressure or high temperature, not only high-pressure spray is known from experience the generation gap, seal interface of the butt joint interior edge face generation shearing of flange being impacted and makes two flanges, and, high temperature easily makes the butt joint interior edge face of flange produce distortion because of expanded by heating, when amount of deformation is big, can make the seal interface of two flanges produce the gap and cause leakage equally.
The model utility content
Main purpose of the present utility model is to provide the flanged joint of high resistant leakage, this flanged joint is provided with seal ring on the butt joint interface of two flanges, make this interface suffer high temperature or high pressure and when forming slot, the sealing ring can leak this interface driving fit to prevent that this interface from producing.
The flanged joint that constitutes according to the utility model comprises first ring body, second ring body and the seal ring that can be combined in pipe end individually; First ring body comprises that along separated interior edge face of axis and exterior edge face this first ring body also comprises first perforation that runs through this interior edge face and this exterior edge face; This second ring body comprises along separated interior edge face of this axis and exterior edge face, this second ring body also comprises second perforation that runs through this interior edge face and this exterior edge face, the interior edge face of this second ring body is relative to making this first perforation be communicated with this second perforation with the interior edge face of this first ring body, one seal interface is arranged between the interior edge face of the interior edge face of this second ring body and this first ring body, this interface comprises annular ditch groove, this groove has periphery wall, and this periphery wall has first inclined-plane; The sealing ring is accommodated in this groove, and the sealing ring has external annulus, and this external annulus has on first inclined-plane of first plane of inclination in order to the periphery wall that is connected to this groove, and this external annulus has annular recess, contiguous this first inclined-plane of this groove.
Preferably, the periphery wall of this groove also has second inclined-plane, and this second inclined-plane and this first inclined-plane are separated at the interface by this; This external annulus also has on second inclined-plane of second plane of inclination in order to the periphery wall that is connected to this groove, and this first plane of inclination and this second plane of inclination are connected and form arrow shaped in the centre of this external annulus, and this annular recess is located at the centre of this external annulus.
Preferably, the sealing ring has internal ring wall, and this annular recess extends a segment distance by the external annulus of sealing ring to this internal ring wall but separate with this internal ring wall, and the diapire of this groove forms circular-arc.
In an embodiment of the present utility model, this first ring body and second ring body are to be made by the stainless steel metal material severally, and the sealing ring is made by the expansion coefficient metal bigger than stainless steel expansion coefficient.
About other purpose of the present utility model, advantage and feature, can understand by the detailed description of following preferred embodiment and with reference to accompanying drawing.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming embodiment's the description below in conjunction with accompanying drawing, wherein:
Fig. 1 is the assembly exploded view according to the flanged joint of one of the utility model embodiment formation;
Fig. 2 is the part of the flanged joint of Fig. 1 figure that decides what is right and what is wrong;
Fig. 3 is the sectional view of the flanged joint of Fig. 1, and shows that this flanged joint is incorporated between two pipe ends;
Fig. 4 is that the circle of displayed map 3 is got enlarged view partly.
The primary clustering symbol description:
10. flange group 12. first ring bodies
14. second ring body, 16. seal rings
20. axis 22. interior edge faces
24. exterior edge face 26. perforation
28. joint 30. pipe ends
32. first recess, 34. diapires
36. inner circle wall 38. periphery walls
40. joining hole 42. outsides
44. interior edge face 46. exterior edge faces
50. joints 48. bore a hole
52. pipe end 53. interfaces
54. second recess, 56. diapires
58. inner circle wall 60. periphery walls
61. groove 62. outsides
64. joining hole 68. bolts
70. nut 72. internal ring walls
74. external annulus 75. plane of inclination
76. sidewall 78. grooves
80. diapire 82. arrows
Embodiment
The utility model can have multiple different structure embodiment.Following examples are only for illustrating but be not in order to restriction the utility model, and are and as follows with regard to preferred construction description of contents of the present utility model with reference to accompanying drawing:
Consult Fig. 1 to Fig. 4, show the flanged joint 10 that constitutes according to the utility model embodiment, it comprises first ring body 12, second ring body 14 and seal ring 16; In the present embodiment, this first ring body 12 and this second ring body 14 are made by stainless steel, and sealing ring 16 is made greater than metallic material such as stainless nickel or tin by expansion coefficient.
This first ring body 12 comprises that the centre of this first ring body 12 is provided with the perforation 26 of extending and run through this interior edge face 22 and this exterior edge face 24 along axis 20 along separated interior edge face 22 of axis 20 directions and exterior edge face 24.In the present embodiment, the exterior edge face 24 of this first ring body 12 tubular joint 28 that stretches out, this joint 28 is connected with pipe end 30; The interior edge face 22 of this first ring body 12 is provided with roughly first recess 32 in the form of a ring, this first recess 32 is looped around around this perforation 26 and with this perforation 26 and separates first radial spacing, this first recess 32 has the inner circle wall 36 of diapire 34 and contiguous diametrically this perforation 26 and away from periphery wall 38 (see figure 4)s of this perforation 26, in the present embodiment, this periphery wall 38 is to form the inclined-plane by this interior edge face 22 to diapire 34 convergent external diameter earth tilt.This first ring body 12 is at contiguous 42 places, outside and be provided with a plurality of joining holes 40 that run through interior edge face 22 and exterior edge face 24, and these a plurality of joining holes 40 are to separate in the form of a ring.
This second ring body 14 comprises that the centre of this second ring body 14 is provided with the perforation 48 of extending and run through this interior edge face 44 and this exterior edge face 46 along this axis 20 along separated interior edge face 44 of this axis 20 directions and exterior edge face 46.In the present embodiment, the exterior edge face 46 of this second ring body 14 tubular joint 50 that stretches out, this joint 50 is connected with another pipe end 52.The interior edge face 44 of this second ring body 14 is with the 22 relative combinations of the interior edge face of this first ring body 12 and form seal interface 53; After these two interior edge faces, 22,44 relative combinations, the perforation 48 of this second ring body 14 can be connected to form the fluid passage with the perforation 26 of first ring body 12.The interior edge face 44 of this second ring body 14 is provided with roughly second recess 54 in the form of a ring, this second recess 54 is looped around around this perforation 48 and with this perforation 48 and separates second radial spacing that equates with first radial spacing, it is relative and have the inner circle wall 58 of diapire 56 and contiguous this perforation 48 diametrically and away from the periphery wall 60 of this perforation 48, this periphery wall 60 forms the inclined-plane by this interior edge face 44 to diapire 56 convergent external diameter earth tilt that this second recess 54 and first recess 32 roughly are mirror; After interior edge face 22, the 44 relative combinations of this two ring body 12,14, this second recess 54 and first recess 32 can relative composition annular ditch grooves 61.This second ring body 14 is at contiguous 62 places, outside and be provided with a plurality of joining holes 64 that run through interior edge face 44 and exterior edge face 46, and these a plurality of joining holes 64 are separated in the form of a ring.When the interior edge face 22,44 of this two ring body 12,14 relatively in conjunction with after, the joining hole 40,64 of this two ring body can be aimed at, and is passed joining hole 40,64 and is locked together with nut 70 sealed these two ring bodies 12,14 that make by bolt 68.
Sealing ring 16 is accommodated in the groove of being made up of this first recess 32 and second recess 54 61 and between sealing interface 53; Sealing ring 16 has and this groove 61 roughly is complementary external form and comprise internal ring wall 72, external annulus 74 and position two sidewalls 76 between this internal ring wall 72 and external annulus 74.In the present embodiment, this external annulus 74 has two plane of inclination 75, these two plane of inclination 75 connect and the formation arrow shaped in the centre of this external annulus 74, and the centre at this external annulus 74 is provided with annular recess 78, these groove 78 contiguous these two plane of inclination 75, when making the sidewall 76 of sealing ring 16 stressed, this external annulus 74 has the tendency towards 78 bendings of this groove.In the present embodiment, this groove 78 extends a segment distance by external annulus 74 to internal ring wall 72 but separates with internal ring wall 72, and diapire 80 formation of this groove 78 are circular-arc, makes sealing ring 16 be subjected to high pressure to do difficult fracture of time spent or impaired.After in sealing ring 16 is accommodated in this groove 61, two plane of inclination 75 of the external annulus 74 of sealing ring 16 are individually in abutting connection with the periphery wall 38,60 of this groove 61.
The flanged joint 10 that forms according to the utility model provides in the enforcement that connects body or pipeline equipment interface, have high planarization by the interior edge face 22 of first ring body 12 and the interior edge face 44 of this second ring body 14, feasible seal interface 53 by these two interior edge face 22,44 be combined intos has high adaptation and is leaked by this interface 53 to prevent the fluid in the body.Moreover when the body that connects when this flange arrangement 10 transported the fluid of high pressure or high temperature, this interface 53 may produce slot when the high pressure shearing impacts or elevated temperature heat expands bearing, and caused fluid in the body 53 to leak and enter in the groove 61 from the interface.In the time of in high temperature fluid enters groove 61, owing to sealing ring 16 is made by the bigger metallic material of expansion coefficient, so seal ring 16 also can produce dilatancy and produce driving fits in case the fluid stopping body leaks from this groove 61 with this interface 53.On the other hand, in the time of in high-pressure liquid enters groove 61, can be to 16 pressurizations of sealing ring shown in arrow 82 directions of Fig. 4.When sealing ring 16 pressurizeds, the external annulus 74 of sealing ring 16 can be combined closely with formation with periphery wall 38,60 butts of this groove 61, and can prevent that sealing interface 53 from producing leakage.Moreover, because the external annulus 74 of sealing ring 16 is provided with groove 78, so when two sidewall 76 pressurizeds of sealing ring 16, the trend that the external annulus 74 of sealing ring 16 can oriented central bend makes that this external annulus 74 is tightr with the butt of periphery wall 38,60.
In aforementioned specification, the utility model only is to do description with regard to specific embodiment, and is to make multiple variation or modification according to DESIGNED FEATURE of the present utility model, obvious replacement and the modification that can do for those skilled in the art will be incorporated within the claim scope that the utility model advocates.
Claims (7)
1. the flanged joint that high resistant leaks is characterized in that, comprising:
First ring body, it comprises that along a separated interior edge face of an axis and an exterior edge face described first ring body also comprises that one runs through first perforation of this interior edge face and this exterior edge face;
Second ring body, it comprises along a separated interior edge face of this axis and an exterior edge face, described second ring body also comprises that one runs through second perforation of this interior edge face and this exterior edge face, the interior edge face of this second ring body is relative to making this first perforation be communicated with this second perforation with the interior edge face of this first ring body, it between the interior edge face of the interior edge face of this second ring body and this first ring body a seal interface, this interface comprises annular ditch groove, and this groove has periphery wall, and described periphery wall has first inclined-plane; And
Seal ring, it is accommodated in this groove, and the sealing ring has an external annulus, and this external annulus has on first inclined-plane of first plane of inclination in order to the periphery wall that is connected to this groove, and described external annulus has annular recess, contiguous described first inclined-plane of this groove.
2. the flanged joint that high resistant as claimed in claim 1 leaks is characterized in that the periphery wall of described groove also has second inclined-plane, and described second inclined-plane and described first inclined-plane are separated at the interface by described; Described external annulus also has on second inclined-plane of second plane of inclination in order to the periphery wall that is connected to described groove, described first plane of inclination and described second plane of inclination are connected and form arrow shaped in the centre of described external annulus, and described annular recess is located at the centre of described external annulus.
3. the flanged joint that high resistant as claimed in claim 2 leaks, it is characterized in that, described seal ring also has an internal ring wall, and described annular recess extends a segment distance by the external annulus of described seal ring to internal ring wall but separate with described internal ring wall, and the diapire of this groove forms circular-arc.
4. the flanged joint that high resistant as claimed in claim 3 leaks it is characterized in that described first ring body and second ring body are distinctly to be made by the stainless steel metal material, and the sealing ring is made by the expansion coefficient metal bigger than stainless steel expansion coefficient.
5. the flanged joint that high resistant as claimed in claim 3 leaks, it is characterized in that, the interior edge face of described first ring body is provided with first recess in the form of a ring, the perforation of described first recess and described first ring body separates first radial spacing, and described first recess has the inner circle wall of diapire and contiguous diametrically described perforation and periphery wall away from described perforation; The interior edge face of described second ring body is provided with second recess in the form of a ring, described second recess separates second radial spacing that equates with first radial spacing with the perforation of described second ring body, and described second recess has the inner circle wall and the periphery wall of boring a hole away from described second ring body of diapire and contiguous described diametrically second ring body perforation; After the interior edge face combination of described two ring bodies, the described annular ditch groove of the relative composition of described second recess with this first recess.
6. the flanged joint that high resistant as claimed in claim 5 leaks is characterized in that the periphery wall of described first ring body forms described first inclined-plane by the described first ring body interior edge face to the described first ring body diapire convergent external diameter earth tilt.
7. the flanged joint that high resistant as claimed in claim 6 leaks is characterized in that, the periphery wall of described second ring body forms described second inclined-plane by the interior edge face of described second ring body to the diapire convergent external diameter earth tilt of described second ring body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201617022U CN201539655U (en) | 2009-06-30 | 2009-06-30 | High leakage-resistant flange joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201617022U CN201539655U (en) | 2009-06-30 | 2009-06-30 | High leakage-resistant flange joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201539655U true CN201539655U (en) | 2010-08-04 |
Family
ID=42591107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201617022U Expired - Fee Related CN201539655U (en) | 2009-06-30 | 2009-06-30 | High leakage-resistant flange joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201539655U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728544A (en) * | 2015-03-19 | 2015-06-24 | 赵景宬 | Connecting pipe joint |
| CN104791487A (en) * | 2015-03-31 | 2015-07-22 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | Method for improving airtightness of high-temperature pressure container |
| CN108626513A (en) * | 2018-03-28 | 2018-10-09 | 国投新疆罗布泊钾盐有限责任公司 | Glass steel pipeline quick coupling |
| CN112413126A (en) * | 2020-12-08 | 2021-02-26 | 合肥智杰精密设备有限公司 | Sealing centering |
-
2009
- 2009-06-30 CN CN2009201617022U patent/CN201539655U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728544A (en) * | 2015-03-19 | 2015-06-24 | 赵景宬 | Connecting pipe joint |
| CN104791487A (en) * | 2015-03-31 | 2015-07-22 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | Method for improving airtightness of high-temperature pressure container |
| CN108626513A (en) * | 2018-03-28 | 2018-10-09 | 国投新疆罗布泊钾盐有限责任公司 | Glass steel pipeline quick coupling |
| CN108626513B (en) * | 2018-03-28 | 2023-11-24 | 国投新疆罗布泊钾盐有限责任公司 | Quick connector for glass fibre reinforced plastic pipeline |
| CN112413126A (en) * | 2020-12-08 | 2021-02-26 | 合肥智杰精密设备有限公司 | Sealing centering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20120630 |