CN204328283U - A kind of flange connecting apparatus - Google Patents
A kind of flange connecting apparatus Download PDFInfo
- Publication number
- CN204328283U CN204328283U CN201420765746.7U CN201420765746U CN204328283U CN 204328283 U CN204328283 U CN 204328283U CN 201420765746 U CN201420765746 U CN 201420765746U CN 204328283 U CN204328283 U CN 204328283U
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- CN
- China
- Prior art keywords
- flange
- connecting apparatus
- connector
- sides
- hole
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- Expired - Fee Related
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- 125000006850 spacer group Chemical group 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model discloses a kind of flange connecting apparatus, comprise flange (1), connector (2) and piston cylinder (3), connector described in both sides (2) is connected in the step-like through hole of flange described in both sides (1) respectively, described piston cylinder (3) is connected to connector described in both sides (2) and docks in the draw-in groove formed, face contact between flange described in both sides (1).Due to the flange connecting apparatus that the utility model provides, the connector (2) be separately positioned in the step-like through hole of two side flanges (1) connects, piston cylinder (3) is connected to two side-connectors (2) and docks in the draw-in groove formed, and face contact between two side flanges (1), end face seal between its more previous flange, make into, by piston cylinder (3) axial seal, to enhance the sealability of Flange joint.
Description
Technical field
The utility model relates to equipment manufacturing technology field, particularly relates to a kind of flange connecting apparatus.
Background technique
Flange is again flange plate or bead.Flange makes pipe and pipe and pipe and the interconnective part of valve, is connected to pipe end.
Flange joint is exactly two pipelines, pipe fitting or equipment, is first fixed on a flange separately, adds flange gasket between two flanges, with bolton connecting together.From flanged on the pipe fitting had and equipment, also belong to Flange joint.Flange joint is the important Placement of pipeline construction.
But, above-mentioned said Flange joint is all that flange is connected with the end face of flange, this dynamic Placement expand with heat and contract with cold and yo-yo cyclic loading effect under two flanges junction surface between can be mutually mobile, have impact on the sealing between flange, make the integrity of Flange joint impaired, finally cause the problem of leaking to occur.
Therefore, the sealability how strengthening Flange joint is those skilled in the art's technical issues that need to address.
Model utility content
The purpose of this utility model is to provide a kind of flange connecting apparatus, and this flange connecting apparatus significantly can strengthen the sealability of Flange joint.
For solving the problems of the technologies described above, the utility model provides a kind of flange connecting apparatus, comprise flange, connector and piston cylinder, connector described in both sides is connected in the step-like through hole of flange described in both sides respectively, described piston cylinder is connected to connector described in both sides and docks in the draw-in groove formed, face contact between flange described in both sides.
Preferably, described connector is removably connected in the step-like through hole of described flange.
Preferably, described in described flange clamping, the vertical and horizontal of the stepped part of the step-like through hole of connector acutangulate layout.
Preferably, the vertical and horizontal layout at a right angle of the stepped part of the step-like through hole of connector described in described flange clamping.
Preferably, described flange is annular flange, also comprises the spacer flange be arranged in described in both sides between flange, and the internal diameter of described spacer flange is greater than the internal diameter of flange described in both sides
Preferably, described flange is the flange combined by the semi-ring of two inner band stepped part.
Preferably, described in both sides, between flange, bolt connects.
Preferably, the side of described piston cylinder its through hole dorsad offers groove, and the quantity of described groove is two, is provided with seal ring in each described groove.
Preferably, described seal ring side offers along its opening circumferentially, and described opening presses direction towards liquid.
Preferably, edge's width of the opening of described seal ring is greater than its inboard width.
The flange connecting apparatus that the utility model provides, the connector be separately positioned in the step-like through hole of two side flanges connects, piston cylinder is connected to two side-connectors and docks in the draw-in groove formed, and face contact between two side flanges, end face seal between its more previous flange, make into, by piston cylinder axial seal, to increase the area of sealing surface, thus enhanced the sealability of Flange joint.
In a preferred embodiment, the flange connecting apparatus that the utility model provides, the side of piston cylinder its through hole dorsad offers groove, the quantity of groove is two, all seal ring is provided with in groove, and the side of seal ring offers along its opening circumferentially, edge's width of opening is greater than its inboard width, the direction that opening is pressed towards liquid, because edge's width of opening is greater than its inboard width, then fluid pressure its sealability larger is better, there is self-packing feature, further enhancing sealability, thus also improve the pressure that flange connecting apparatus provided by the utility model bears, it can bear mesohigh.
Accompanying drawing explanation
The cross-sectional schematic of the flange connecting apparatus that Fig. 1 provides in the first embodiment for the utility model;
The cross-sectional schematic of the flange connecting apparatus that Fig. 2 provides in the second embodiment for the utility model;
The cross-sectional schematic of the flange connecting apparatus that Fig. 3 provides in the third embodiment for the utility model;
The structural representation of the flange connecting apparatus that Fig. 4 provides for the utility model embodiment;
The part-structure sketch of the flange in the flange connecting apparatus that Fig. 5 provides for the utility model embodiment;
The cross-sectional schematic of the connector in the flange connecting apparatus that Fig. 6 provides for the utility model in the first embodiment;
The cross-sectional schematic of the connector in the flange connecting apparatus that Fig. 7 provides for the utility model in the second embodiment;
The cross-sectional schematic of the piston cylinder of the flange connecting apparatus that Fig. 8 provides for the utility model embodiment;
The cross-sectional schematic of the seal ring of the flange connecting apparatus that Fig. 9 provides for the utility model embodiment;
The schematic top plan view of the spacer flange of the flange connecting apparatus that Figure 10 provides for the utility model embodiment.
Embodiment
Core of the present utility model is to provide a kind of flange connecting apparatus, and this flange connecting apparatus significantly can strengthen the sealability of Flange joint.
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
See Fig. 1, Fig. 2, Fig. 3 and Fig. 4, as can be seen from Fig. 1, Fig. 2, Fig. 3 or Fig. 4, the flange connecting apparatus that the utility model embodiment provides mainly comprises flange 1, connector 2 and piston cylinder 3, two side-connectors 2 are separately positioned in the step-like through hole of the flange 1 of both sides, piston cylinder 3 is connected to two side-connectors and docks in the draw-in groove formed, and face contact between the flange 1 of both sides.
Because connector 2 is placed in the step-like through hole of flange 1, and two side-connectors 2 dock composition one draw-in groove, piston cylinder 3 is connected in above-mentioned draw-in groove, then because piston cylinder 3 has certain width, its three side can ensure that docking with connector 2 draw-in groove formed contacts all the time, connected by end face between former flange, make into connect by the axis of piston cylinder 3, thus add the area of sealing surface, and the mode that the mode axially connected connects compared with end face not easily loosens, thus enhance the sealing between Flange joint.
As shown in Figure 1, the cross-sectional schematic of flange connecting apparatus that provides in the first embodiment for the utility model of Fig. 1.
In the first embodiment, the flange connecting apparatus that the utility model embodiment provides, connector 2 is removably connected in the step-like through hole of flange 1, the split-type structural that two side flanges 1 are all made up of the semi-ring of inner band stepped part.As shown in Figure 5, the part-structure sketch of the flange in the flange connecting apparatus that provides for the utility model embodiment of Fig. 5.
When by two connectors 1 respectively together with the steel-pipe welding of both sides time, piston cylinder 3 being connected to two connectors 2 docks in formed draw-in groove, groove is offered in the side of piston cylinder 3 its through hole dorsad, be placed with seal ring 4 in a groove, opening is offered in the side of seal ring 4, the direction that opening is pressed towards liquid, and edge's width of opening is wider than its inboard width.The vertical and horizontal distribution at a right angle of the stepped part of the step-like through hole of flange 1 snap connectors 2, i.e. the vertical and horizontal also distribution at a right angle of connector 2 and the inserted part of above-mentioned step-like through hole phase clamping, and connector 2 matches with flange 1.Together by the semiorbicular flange combination of four inner band stepped part, and be bolted finally.
As shown in Figure 6, the cross-sectional schematic of the connector in the flange connecting apparatus that provides in the first embodiment for the utility model of Fig. 6.As shown in Fig. 6 direction, i.e. the layout horizontal and vertical at a right angle at the step place of the periphery of connector 2.
Two side flanges 1 are by the connection between former end face, make into be connected by the axis between piston cylinder 3 with connector 2, namely have between piston cylinder 3 with connector 2 between three and contact, enhance the sealing between two side flanges 1, and because sealing surface is in the inside of connector 2, prevent the damage probability when handling and loading, greatly reduce maintenance cost, alleviate the labor intensity of workman simultaneously.
As shown in Figure 8, the cross-sectional schematic of the piston cylinder of flange connecting apparatus that provides for the utility model embodiment of Fig. 8.And seal ring 4 is placed with in the draw-in groove of piston cylinder 3, and as shown in Figure 9, the cross-sectional schematic of the seal ring of the flange connecting apparatus that Fig. 9 provides for the utility model embodiment.The direction that the opening of seal ring 4 is pressed towards liquid, then at the flange connecting apparatus that the utility model embodiment provides, when standing hydraulic shock, the profile design of seal ring 4 is pressed larger, itself and the sealability between connector 2 and piston cylinder 3 are better, there is self-locking function, thus further enhance the sealability of the flange connecting apparatus that the utility model embodiment provides, and due to above-mentioned effect, the pressure that the flange connecting apparatus that the utility model embodiment provides bears strengthens, and it can bear Intermediate High Pressure.
Certainly, above-mentioned said connector 2 is removably connected in the step-like through hole of flange 1, and each flange 2 is the flanges combined by the semi-ring of two band stepped part.Above-mentioned set-up mode, because flange 1 and connector 2 are splits, does not need welding on the connectors, then convenient disassembly between flange 1 and connector 2, and the space of greatly saving, and compares and is adapted at the narrow and small lane space use of underground coal mine.
Certainly; although in the first embodiment; providing connector 2 is removably connected in the step-like through hole of flange 1; but; between connector 2 and flange 1, compound mode is unremovably also contained in protection domain of the present utility model; and flange 2 is also not necessarily made up of the semi-ring of two inner band stepped part, but flange 1 also can be an entirety, or flange 1 also can form a complete flange 1 by a few incorporating aspects.And the connection between flange 1 is also not limited to bolt connection, it can also be other Placement, as welding.
As shown in Figure 6, the cross-sectional schematic of the connector in the flange connecting apparatus that provides in the first embodiment for the utility model of Fig. 6.In Fig. 6, the internal diameter of connector 2 is roughly made up of three parts, and the internal diameter of intermediate portion is less than the internal diameter of two side portions, thus the composition draw-in groove that connects between two side-connectors 2, be certainly also not limited thereto kind of a structural design.The side internal diameter that also can arrange connector 2 is greater than its opposite side internal diameter.
As shown in Figure 8, the cross-sectional schematic of the piston cylinder of flange connecting apparatus that provides for the utility model embodiment of Fig. 8.The inside of piston cylinder 3 is provided with chamfering as can be seen from Figure 8, and the opposite side that itself and connector 2 contact is provided with groove, and the quantity of its groove can be two, and the situation of the situation of certain or three is all fine.
As shown in Figure 9, the cross-sectional schematic of the seal ring of flange connecting apparatus that provides for the utility model embodiment of Fig. 9.The side of seal ring 4 is circumferentially with opening along it as can be seen from Figure 9, and the shape that its both sides are all provided with opening certainly is also fine, and the edge's width being also limited to its opening is greater than the width inside it.As long as the improvement carried out according to thought provided by the utility model or reference are included within protection domain of the present utility model.
As shown in Figure 2, the cross-sectional schematic of flange connecting apparatus that provides in the second embodiment for the utility model of Fig. 2.
In the second embodiment, the vertical and horizontal of the stepped part of the step-like through hole of flange 1 acutangulate layout, can be the setting of 83 ° of angles, then because the vertical and horizontal of the stepped part of above-mentioned step-like through hole acutangulate layout, then connector 2 also acutangulates distribution with the vertical and horizontal of the inserted part of above-mentioned step-like through hole accordingly.Namely as shown in Figure 7, the cross-sectional schematic of the connector in the flange connecting apparatus that provides in the second embodiment for the utility model of Fig. 7.Namely, as shown in Fig. 7 direction, between the vertical and horizontal of the stepped part of connector 2 periphery, layout is acutangulated.Structural design like this, when pressing in the pipe that connector 2 connects, pressure is larger, and the coupling mechanism force between connector 2 and flange 1 is larger, has self-locking function, thus add the flange connecting apparatus that the utility model embodiment provides bear pressure.
In the first embodiment and the second embodiment, the flange 1 that the flange connecting apparatus that the utility model embodiment provides provides, flange 1 itself has step-like through hole, but the situation that a flange 1 itself does not have step-like through hole can also occur.
As shown in Figure 3, the cross-sectional schematic of flange connecting apparatus that provides in the third embodiment for the utility model of Fig. 3.
In the mode of execution that the third is concrete, flange 1 be one circular, between two flanges 1, also comprise spacer flange 5, as shown in Figure 10, the schematic top plan view of the spacer flange of the flange connecting apparatus that Figure 10 provides for the utility model embodiment.The internal diameter of spacer flange 5 is greater than the internal diameter of its two side flange 1, thus spacer flange 5 forming station scalariform through hole respectively and between the flange 1 of its both sides, there is spacer flange 5, the restriction of the shape to flange 1 can be reduced, flange 1 can be processed into circular, adds comfort level during processing flange 1.Spacer flange 5 is provided with eight bolts hole, its two side flange 1 is also provided with the bolt hole corresponding with the bolt hole of above-mentioned spacer flange 5 simultaneously, with bolt by fixing between two side flanges 1 and spacer flange 5, fix by whole flange connecting apparatus.
The quantity of above-mentioned spacer flange 5 is 1 or can is two of symmetrical distribution, and the shape of spacer flange 5 is also not limited to shown in Figure 10.
From the third embodiment, we it will also be appreciated that embodiment in the 4th, and in the 3rd in embodiment, the horizontal and vertical angle of the stepped part of the step-like through hole formed between spacer flange 5 and flange 1 is right angle.
So in the 4th kind of embodiment, when by the shape conversion of spacer flange 5, the angle of the vertical and horizontal of the stepped part of the step-like through hole formed between spacer flange 5 and flange 1 is the situation of acute angle.
Certainly, according to above-mentioned first, second, third and the 4th kind of embodiment, we it will also be appreciated that other embodiment, and it is included in protection domain of the present utility model.
Above flange connecting apparatus provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and mode of execution, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (10)
1. a flange connecting apparatus, it is characterized in that, comprise flange (1), connector (2) and piston cylinder (3), connector described in both sides (2) is connected in the step-like through hole of flange described in both sides (1) respectively, described piston cylinder (3) is connected to connector described in both sides (2) and docks in the draw-in groove formed, face contact between flange described in both sides (1).
2. flange connecting apparatus as claimed in claim 1, it is characterized in that, described connector (2) is removably connected in the step-like through hole of described flange (1).
3. flange connecting apparatus as claimed in claim 2, it is characterized in that, described in described flange (1) clamping, the vertical and horizontal of the stepped part of the step-like through hole of connector (2) acutangulate layout.
4. flange connecting apparatus as claimed in claim 2, is characterized in that, the vertical and horizontal layout at a right angle of the stepped part of the step-like through hole of connector (2) described in described flange (1) clamping.
5. flange connecting apparatus as claimed in claim 1, it is characterized in that, described flange (1) is annular flange, also comprise the spacer flange (5) be arranged between flange described in both sides (1), the internal diameter of described spacer flange (5) is greater than the internal diameter of flange described in both sides (1).
6. flange connecting apparatus as claimed in claim 1, it is characterized in that, described flange (1) is the flange combined by the semi-ring of two inner band stepped part.
7. flange connecting apparatus as claimed in claim 1, is characterized in that, between flange described in both sides (1), bolt connects.
8. the flange connecting apparatus as described in any one of claim 1-6, it is characterized in that, the side of described piston cylinder (3) its through hole dorsad offers groove, and the quantity of described groove is two, is provided with seal ring (4) in each described groove.
9. flange connecting apparatus as claimed in claim 8, is characterized in that, described seal ring (4) side offers along its opening circumferentially, and described opening presses direction towards liquid.
10. flange connecting apparatus as claimed in claim 9, it is characterized in that, edge's width of the opening of described seal ring (4) is greater than its inboard width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420765746.7U CN204328283U (en) | 2014-12-08 | 2014-12-08 | A kind of flange connecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420765746.7U CN204328283U (en) | 2014-12-08 | 2014-12-08 | A kind of flange connecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204328283U true CN204328283U (en) | 2015-05-13 |
Family
ID=53164642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420765746.7U Expired - Fee Related CN204328283U (en) | 2014-12-08 | 2014-12-08 | A kind of flange connecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204328283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929223A (en) * | 2015-06-03 | 2015-09-23 | 陈功 | Support base for sewer line |
-
2014
- 2014-12-08 CN CN201420765746.7U patent/CN204328283U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929223A (en) * | 2015-06-03 | 2015-09-23 | 陈功 | Support base for sewer line |
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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: 20150513 Termination date: 20171208 |