CN203052040U - Load-bearing type flange connection assembly - Google Patents
Load-bearing type flange connection assembly Download PDFInfo
- Publication number
- CN203052040U CN203052040U CN 201320047750 CN201320047750U CN203052040U CN 203052040 U CN203052040 U CN 203052040U CN 201320047750 CN201320047750 CN 201320047750 CN 201320047750 U CN201320047750 U CN 201320047750U CN 203052040 U CN203052040 U CN 203052040U
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- flange plate
- projection
- flange
- sealing surface
- interface
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Abstract
The utility model discloses a load-bearing type flange connection assembly which comprises a first flange plate, a second flange plate and a gasket, wherein the first flange plate and the second flange plate are in butt joint with each other, and the gasket is arranged between the two flange plates. A pipe connector is arranged at the center of each of the two flange plates, wherein a first protrusion is arranged on a butt joint face, facing the second flange plate, of the first flange plate, and a sealing face surrounding the pipe connector is formed; a second protrusion surrounding the pipe connector is arranged on a butt joint face, facing the first flange plate, of the second flange plate; the first protrusion is higher than the second protrusion; and after the two flange plates are assembled, the gasket is arranged between the sealing face of the first flange plate and the second protrusion of the second flange plate. Through a part of external force which is generated when the load-bearing type flange connection assembly of the structure is used, the influence on the gasket by the external force except bolt compression force is reduced or removed, and therefore the service life of the gasket is prolonged, and the sealing performance is guaranteed.
Description
Technical field
The utility model relates to a kind of flange connecting assembly, relates in particular to a kind of bearing type flange connecting assembly that can carry big imposed load.
Background technique
At present, the flange that is applied in pipeline and equipment has the standard of different editions such as HG, GB, JB, though there is some difference at aspects such as flange thicknesses, its sealing surface form is basic identical, and it is several roughly to be divided into whole plane, prominent face, male and fomale(M﹠F), tongue and groove and ring joint face etc.
Yet no matter which kind of sealing surface form, its principle is and pad is pressed in sealing surface realizes being tightly connected.Pad also may bear pipe-line system, the effect of installations and facilities externally applied forces except will bearing the bolt impacting force.In such cases, pad is easier under the effect of external force, particularly periodically lost efficacy under the effect of external force and produce poorly sealed phenomenon.
Therefore, how to make the big imposed load of flange carrying, thereby avoid pad because the external force effect produces poorly sealed phenomenon, become problem demanding prompt solution.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of bearing type adpting flange assembly, comprises first flange plate and second flange plate of mutual butt joint, and is arranged at the pad between two flange plate; Two flange plate central authorities are respectively equipped with interface tube, wherein, are provided with first projection at first flange surface to the interface of second flange plate, and are formed with the sealing surface of surrounding tube interface; Second flange surface is formed with second projection of surrounding tube interface on the interface of first flange plate; The height of first projection is greater than the height of described second projection; After the two flange plate windings, pad is arranged between second projection of the sealing surface of first flange plate and second flange plate.
Wherein, described first crowning extends downwards along interface tube second flange plate, and sealing surface is formed on the outside of first projection, and second crowning extends upward sealing surface.
Wherein, described first crowning extends downwards second flange plate, and sealing surface is formed on the inboard of first projection, and second crowning extends upward along interface tube sealing surface.
Wherein, described first projection is 2 bulge loops, and second projection is 1 bulge loop, and sealing surface is formed between 2 bulge loops of first projection; When two flange plate fastened, 2 bulge loops of first projection clamped the bulge loop of second projection and lean on second flange plate.
Wherein, the transverse section of described first projection, second projection and sealing surface is annular.
Wherein, described first projection prolong interface tube up and down two directions extend to form sidewall; Second projection extends upward sealing surface along the outer side surface of sidewall.
Wherein, the transverse section of described second projection and sealing surface is annular.
After flange connecting assembly of the present utility model fastens, can carry the part external force when using, reduced or eliminated external force outside the bolt impacting force to the influence of pad, made pad remain at the stressed sealing state of optimal compression, thereby prolonged the pad life-span and guaranteed sealability.
Description of drawings
Longitudinal section schematic representation when Fig. 1 is the utility model winding.
Fig. 2 is the sectional arrangement drawing of the utility model first specific embodiment under unassembled state.
Fig. 3 is the sectional arrangement drawing of the utility model second specific embodiment under unassembled state.
Fig. 4 is the sectional arrangement drawing of the utility model the 3rd specific embodiment under unassembled state.
Fig. 5 is the sectional arrangement drawing of the utility model the 4th specific embodiment under unassembled state.
Fig. 6 is the sectional arrangement drawing of the utility model the 5th specific embodiment under unassembled state.
[primary clustering symbol description]
1 first flange plate
11 first projectioies
12 sealing surfaces
2 second flange plate
2 second projectioies
3 pads
F1, f2 height
Embodiment
For fully understanding the purpose of this utility model, feature and effect, now by following specific embodiment, and conjunction with figs., the utility model is described in detail as follows:
Longitudinal section schematic representation when Fig. 1 is the utility model winding.As shown in the figure, bearing type flange connecting assembly described in the utility model comprises: first flange plate 1, second flange plate 2 and pad 3, the two flange plate central authorities that are arranged between two flange plate are respectively equipped with interface tube.Further, first flange plate 1 is provided with first projection 11 towards the interface of second flange plate 2, and is formed with the sealing surface 12 of surrounding tube interface.Second flange plate 2 is formed with second projection 22 of surrounding tube interface on the interface of first flange plate 1.Wherein, the height f1 of first projection 11 is greater than the height f2 of second projection 22.After the two flange plate windings, pad 3 is arranged between second projection 22 of the sealing surface 12 of first flange plate 1 and second flange plate 2.After two flange plate fastened, said structure can carry flange connecting assembly part external force in use, had reduced or eliminated external force outside the bolt impacting force to the influence of pad 3, made pad 3 remain at the stressed sealing state of optimal compression.
Fig. 2 is the sectional arrangement drawing of the utility model first specific embodiment under unassembled state.As shown in the figure, bearing type flange connecting assembly described in the utility model comprises: first flange plate 1, second flange plate 2 and pad 3, the two flange plate central authorities that are arranged between two flange plate are respectively equipped with interface tube.Further, first flange plate 1 is provided with first projection 11 towards the interface of second flange plate 2, and is formed with the sealing surface 12 of surrounding tube interface.Second flange plate 2 is formed with second projection 22 of surrounding tube interface on the interface of first flange plate 1.Wherein, the height f1 of first projection 11 is greater than the height f2 of second projection 22.Further, first projection 11 is extended downwards along interface tube in the face of second flange plate 2; Sealing surface 12 is formed on the outside of first projection 11; Second projection 22 extends upward in the face of sealing surface 12.After two flange plate fastened, pad 3 was arranged between second projection 22 of the sealing surface 12 of first flange plate 1 and second flange plate 2.Said structure can carry flange connecting assembly part external force in use, has reduced or eliminated external force outside the bolt impacting force to the influence of pad 3, makes pad 3 remain at the stressed sealing state of optimal compression.
Fig. 3 is the sectional arrangement drawing of the utility model second specific embodiment under unassembled state.As shown in the figure, bearing type flange connecting assembly described in the utility model comprises: first flange plate 1, second flange plate 2 and pad 3, the two flange plate central authorities that are arranged between two flange plate are respectively equipped with interface tube.Further, first flange plate 1 is provided with first projection 11 towards the interface of second flange plate 2, and is formed with the sealing surface 12 of surrounding tube interface.Second flange plate 2 is formed with second projection 22 of surrounding tube interface on the interface of first flange plate 1.Wherein, the height f1 of first projection 11 is greater than the height f2 of second projection 22.Further, first projection 11 is extended downwards in the face of second flange plate 2; Sealing surface 12 is formed on the inboard of first projection 11; Second projection 22 extends upward along interface tube in the face of sealing surface 12.After two flange plate fastened, pad 3 was arranged between second projection 22 of the sealing surface 12 of first flange plate 1 and second flange plate 2.Said structure can carry flange connecting assembly part external force in use, has reduced or eliminated external force outside the bolt impacting force to the influence of pad 3, makes pad 3 remain at the stressed sealing state of optimal compression.
Fig. 4 is the sectional arrangement drawing of the utility model the 3rd specific embodiment under unassembled state.As shown in the figure, bearing type flange connecting assembly described in the utility model comprises: first flange plate 1, second flange plate 2 and pad 3, the two flange plate central authorities that are arranged between two flange plate are respectively equipped with interface tube.Further, first flange plate 1 is provided with first projection 11 towards the interface of second flange plate 2, and is formed with the sealing surface 12 of surrounding tube interface.Second flange plate 2 is formed with second projection 22 of surrounding tube interface on the interface of first flange plate 1.Wherein, the height f1 of first projection 11 is greater than the height f2 of second projection 22.Further, first projection 11 is 2 bulge loops, and second projection 22 is 1 bulge loop; When two flange plate fastened, 2 bulge loops of first projection 11 clamped the bulge loop of second projection 22, and pad 3 is arranged between second projection 22 of the sealing surface 12 of first flange plate 1 and second flange plate 2.Said structure can carry flange connecting assembly part external force in use, has reduced or eliminated external force outside the bolt impacting force to the influence of pad 3, makes pad 3 remain at the stressed sealing state of optimal compression.
Fig. 5 is the sectional arrangement drawing of the utility model the 4th specific embodiment under unassembled state.As shown in the figure, projection 22 is identical with aforementioned first embodiment with the setting of sealing surface 12 in the present embodiment.Difference is that in the present embodiment, first projection 11 is longer than the length among first embodiment along the length that interface tube extends in the face of second flange plate 2 downwards.When two flange plate fasten, pad 3 is arranged between second projection 22 of the sealing surface 12 of first flange plate 1 and second flange plate 2, make this flange connecting assembly can reduce or eliminate external force outside the bolt impacting force to the influence of pad 3, make pad 3 remain at the stressed sealing state of optimal compression.
Fig. 6 is the sectional arrangement drawing of the utility model the 5th specific embodiment under unassembled state.As shown in the figure, projection 22 is identical with aforementioned first, fourth embodiment with the setting of sealing surface 12 in the present embodiment.Difference is, in the present embodiment, first projection 11 be prolong interface tube up and down two directions extend to form sidewall 13; Second projection 22 extends upward sealing surface 12 along the outer side surface of sidewall 13.When two flange plate fastened, pad 3 was arranged between second projection 22 of the sealing surface 12 of first flange plate 1 and second flange plate 2, had strengthened bending resistance square, the torsional performance of flange connecting assembly.
One of them can be blind flange for first flange plate 1 in above-described embodiment and second flange plate 2, and this blind flange is identical with above-mentioned first flange plate 1 or second flange plate 2 in the face of the structure setting on the interface of another flange plate.
In sum, compared with prior art, the utlity model has following advantage:
1. the utility model makes linkage structure intensity reach the level that is not less than pipe-line system by in the independent load-carrying surface of flange plate processing, and the bearing capacity (being mainly pressure and moment of flexure) that flange is connected is not subjected to the restriction of pad bearing capacity.
2. to make pad influenced by external force little for flange connecting assembly of the present utility model, and it mainly is subjected to the bolt pretightening effect and remains unchanged substantially, can protect pad can not prolong the pad life-span and guarantee sealability because the external force effect damages.
3. compare with the seal connection that has the packing type that better holds weight bearing power equally, the utility model attended operation is convenient, and pad, bolt etc. all can be matched standard piece.
Can be understood as, the utility model is described by some embodiments, and those skilled in the art can carry out various changes or equivalence replacement to these features and embodiment under the situation that does not break away from spirit and scope of the present utility model.In addition, under instruction of the present utility model, can make amendment to adapt to concrete situation and material to these features and embodiment and can not break away from spirit and scope of the present utility model.Therefore, the utility model is not subjected to the restriction of specific embodiment disclosed herein, and all interior embodiments of claim scope that fall into the application belong to protection domain of the present utility model.
Claims (7)
1. a bearing type adpting flange assembly comprises first flange plate (1) and second flange plate (2) of mutual butt joint, and is arranged at the pad (3) between described two flange plate; Two flange plate central authorities are respectively equipped with interface tube, it is characterized in that,
Be provided with first projection (11) at described first flange plate (1) towards the interface of second flange plate (2), and be formed with the sealing surface (12) of surrounding tube interface; Described second flange plate (2) is formed with second projection (22) of surrounding tube interface on the interface of first flange plate (1);
The height of described first projection (11) is greater than the height of described second projection (22); After the two flange plate windings, pad (3) is arranged between second projection (22) of the sealing surface (12) of first flange plate (1) and second flange plate (2).
2. adpting flange assembly as claimed in claim 1 is characterized in that, described first projection (11) is extended downwards along interface tube in the face of second flange plate (2); Sealing surface (12) is formed on the outside of first projection (11); Second projection (22) extends upward in the face of sealing surface (12).
3. adpting flange assembly as claimed in claim 1 is characterized in that, described first projection (11) is extended downwards in the face of second flange plate (2); Sealing surface (12) is formed on the inboard of first projection (11); Second projection (22) extends upward along interface tube in the face of sealing surface (12).
4. adpting flange assembly as claimed in claim 1 is characterized in that, described first projection (11) is 2 bulge loops, and second projection (22) is 1 bulge loop, and sealing surface (12) is formed between 2 bulge loops of first projection (11); When two flange plate fastened, 2 bulge loops of first projection (11) clamped the bulge loop of second projection (22) and lean on second flange plate (22).
5. as each described adpting flange assembly in the claim 1 to 3, it is characterized in that the transverse section of described first projection (11), second projection (22) and sealing surface (12) is annular.
6. adpting flange assembly as claimed in claim 1 is characterized in that, described first projection (11) prolong interface tube up and down two directions extend to form sidewall (13); Second projection (22) extends upward sealing surface (12) along the outer side surface of sidewall (13).
7. adpting flange assembly as claimed in claim 6 is characterized in that, the transverse section of described second projection (22) and sealing surface (12) is annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320047750 CN203052040U (en) | 2013-01-29 | 2013-01-29 | Load-bearing type flange connection assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320047750 CN203052040U (en) | 2013-01-29 | 2013-01-29 | Load-bearing type flange connection assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203052040U true CN203052040U (en) | 2013-07-10 |
Family
ID=48734993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320047750 Expired - Fee Related CN203052040U (en) | 2013-01-29 | 2013-01-29 | Load-bearing type flange connection assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203052040U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013773A (en) * | 2017-05-10 | 2017-08-04 | 宁波天生密封件有限公司 | Sealing and connecting device |
| CN107143708A (en) * | 2017-06-01 | 2017-09-08 | 宁波天生密封件有限公司 | Sealing and connecting device |
| CN108488514A (en) * | 2018-05-18 | 2018-09-04 | 张家港华日法兰有限公司 | A kind of flange being mutually socketed |
-
2013
- 2013-01-29 CN CN 201320047750 patent/CN203052040U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013773A (en) * | 2017-05-10 | 2017-08-04 | 宁波天生密封件有限公司 | Sealing and connecting device |
| CN107143708A (en) * | 2017-06-01 | 2017-09-08 | 宁波天生密封件有限公司 | Sealing and connecting device |
| CN108488514A (en) * | 2018-05-18 | 2018-09-04 | 张家港华日法兰有限公司 | A kind of flange being mutually socketed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20190129 |