CN203549209U - Flange connection structure assembly - Google Patents
Flange connection structure assembly Download PDFInfo
- Publication number
- CN203549209U CN203549209U CN201320705201.2U CN201320705201U CN203549209U CN 203549209 U CN203549209 U CN 203549209U CN 201320705201 U CN201320705201 U CN 201320705201U CN 203549209 U CN203549209 U CN 203549209U
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- Prior art keywords
- flange
- arranges
- liner
- hole
- connecting tube
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Abstract
The utility model discloses a flange connection structure assembly. The flange connection structure assembly comprises a first flange and a second flange which are the same in standard, wherein the first flange is connected with the second flange through bolts; a liner is arranged between the first flange and the second flange; a first annular groove used for containing an O-shaped sealing ring is formed in one side, close to the first flange, of the liner; a second annular groove used for containing an O-shaped sealing ring is formed in one side, close to the second flange, of the liner; the center of the first annular groove and the center of the second annular groove are located on the center axis of the first flange and the center axis of the second flange respectively. As the liner is arranged between the two flanges, the annular grooves are formed in the two sides of the liner, and the O-shaped sealing rings are arranged in the annular grooves, when the O-shaped sealing rings need to be replaced, a person only needs to remove the bolt on one flange and takes down and replaces the liner, the assembly and disassembly processes are reduced, the assembly and disassembly speed is improved, and the sealing performance between the flanges is also improved.
Description
Technical field
The utility model relates to a kind of flanged connecting structure assembly, relates in particular to the flanged connecting structure assembly that a kind of good sealing effect, easy accessibility and intensity are high.
Background technique
Flange (Flange), is again flange plate or flange disk.Flange is to make pipe and the interconnective part of pipe, is connected in pipe end; Also the flange that has the equipment that is used in to import and export, for the connection between two equipment, as speed reducer flange.Flange connects or flanged joint, refers to by flange, pad and bolt three and interconnects the releasable connection as one group of combined sealing structure.Perforation on flange, bolt is close to two flanges.Between flange, with liner, seal.Between flange and flange, liner is only set at present, sealing is good not, in using process, still easily leaks.Therefore,, in order to increase the sealing being connected between flange and flange, the method for often taking is at present on flange, to offer O RunddichtringO groove, places O RunddichtringO in this groove.As illustrated in fig. 1 and 2, this flanged connecting structure assembly comprises two flanges 110, between two flanges 110, liner 120 is set, at flange 110, near a side of liner 120, the annular groove 130 that blue 110 medial axis of a winding arrange is set, at the interior placement of annular groove 130 O RunddichtringO.Such structure can increase the sealing between two flanges 110, but, at flange 110, use after a period of time, in order to guarantee the sealing between two flanges 100, O RunddichtringO needs to change in time, but the flanged connecting structure assembly of this kind of structure is when dismounting, bolt on the flange on both sides 110 all need to be twisted off, then with special tool, the O RunddichtringO on flange 110 is taken off, such operational sequence complex, reduced replacing efficiency, and also need with bolt, the bolt on two flanges 110 to be screwed on more finishing changing after O RunddichtringO, dismounting operation is all very complicated, manufacturing efficiency is low.
In addition, after the pipe end and pipeline welding of existing hubbed flange, due to the wall thickness of its pipe end and the wall thickness of pipeline consistent, therefore the bonding area of weld is less, the intensity of weld is not high, easily produces weld defects, affects the normal use of product.
Model utility content
The purpose of this utility model is to propose a kind of flanged connecting structure assembly, and it is simple in structure, easy accessibility, good airproof performance.
Another object of the present utility model is to provide a kind of flanged connecting structure assembly, and the bonding area of its flange and pipeline is wide, and the intensity of weld is high, is difficult for producing weld defects.
For reaching this object, the utility model by the following technical solutions:
A kind of flanged connecting structure assembly, comprise the first flange and the second flange that two specifications are identical, described the first flange and described the second flange are bolted, between described the first flange and described the second flange, liner is set, described liner is provided for placing the first ring connected in star of O RunddichtringO near a side of described the first flange, described liner is provided for placing the second annular groove of O RunddichtringO near a side of described the second flange, the center of described first ring connected in star and described the second annular groove is all on the central axis of described the first flange and described the second flange.
By liner being set between two flanges, and in the both sides of liner, annular groove is all set, and O RunddichtringO is set in annular groove, can be when needs be changed O RunddichtringO, only need to remove the bolt on the flange of one side, liner is taken off to replacing, reduced dismounting operation, promote dismounting speed, and also increased the sealing between flange and flange.
As a kind of preferred version, described the first flange and described the second flange are flat neck flange.
As a kind of preferred version, described the first flange and described the second flange are hubbed flange.
As a kind of preferred version, described the first flange comprises the first flange body, described the first flange body Yi Ce center arranges the first connecting tube, described the first connecting tube arranges the first pipeline away from a side of described the first flange body, described the first connecting tube arranges the first chamfering near the end of described the first pipeline, described the first pipeline arranges the second chamfering near the end of described the first connecting tube, and described the first connecting tube and described the first pipeline welding are integrated;
Described the second flange comprises the second flange body, described the second flange body Yi Ce center arranges the second connecting tube, described the second connecting tube arranges second pipe away from a side of described the second flange body, described the second connecting tube arranges the 3rd chamfering near the end of described second pipe, described second pipe arranges the 4th chamfering near the end of described the second connecting tube, and described the second connecting tube and described second pipe are welded as a whole.
By chamfering is all set on connecting tube and pipeline, chamfering can increase bonding area, and then has increased the intensity of the weld of connecting tube and pipeline, avoids producing weld defects.
As a kind of preferred version, described the first chamfering, described the second chamfering, described the 3rd chamfering and described the 4th chamfering are 37.5 ° of chamferings.
As a kind of preferred version, the joint of described the first flange body and described the first connecting tube arranges rounding off; The joint of described the second flange body and described the second connecting tube also arranges rounding off.
Preferably, described the first flange body and described the first connecting tube are integral type setting;
Described the second flange body and described the second connecting tube are integral type setting.
As a kind of preferred version, the center of described the first flange arranges the first through hole, the center of described the second flange arranges the second through hole, the diameter of described the first through hole equals the diameter of described the second through hole, described pad centers arranges third through-hole, and the diameter of described third through-hole is greater than the diameter of described the first through hole.
As a kind of preferred version, described liner at least arranges the described first ring connected in star of a circle near a side of described the first flange, and described liner at least arranges described the second annular groove of a circle near a side of described the second flange.
As a kind of preferred version, at least three bolts hole that pass for described bolt are all set on described the first flange and described the second flange, the external diameter of described liner is less than the diameter of a circle being surrounded by described bolt hole.
As a kind of preferred version, at least three bolts hole that pass for described bolt are all set on described the first flange and described the second flange, the external diameter of described liner is greater than the diameter of a circle being surrounded by described bolt hole, and be less than or equal to the diameter of described the first flange, on described liner, corresponding described bolt hole arranges liner through hole.
Contrast prior art, the beneficial effects of the utility model are: flanged connecting structure assembly of the present utility model has simple in structure, easy accessibility, the advantage of good airproof performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing flanged connecting structure assembly;
Fig. 2 is the structural representation of the flange in existing flanged connecting structure assembly;
Fig. 3 is the cross-sectional schematic of the flanged connecting structure assembly described in embodiment one;
Fig. 4 is the second flange in the flanged connecting structure assembly described in embodiment one and the combination schematic diagram of liner;
Fig. 5 is the cross-sectional schematic of the liner in the flanged connecting structure assembly described in embodiment one;
Fig. 6 is the schematic side view of the liner in the flanged connecting structure assembly described in embodiment one;
Fig. 7 is the cross-sectional schematic of the flanged connecting structure assembly described in embodiment two.
In Fig. 1 and 2:
110, flange; 120, liner; 130, annular groove.
In Fig. 3 to 6:
210, the first flange; 211, the first flange body; 212, the first connecting tube; 2121, the first chamfering; 213, the first through hole;
220, the second flange; 221, the second flange body; 222, the second connecting tube; 2221, the 3rd chamfering; 223, the second through hole;
230, bolt;
240, liner; 241, first ring connected in star; 242, the second annular groove; 243, third through-hole;
250, the first pipeline; 251, the second chamfering;
260, second pipe; 261, the 4th chamfering;
270, rounding off; 280, bolt hole.
In Fig. 7:
310, the first flange; 311, the first through hole; 320, the second flange; 321, the second through hole; 330, bolt; 340, liner; 341, first ring connected in star; 342, the second annular groove; 343, third through-hole; 350, bolt hole.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate the technical solution of the utility model.
Embodiment one:
As shown in Fig. 3 to 6, in the present embodiment, novel flange linkage structure assembly of the present utility model, comprise the first flange 210 and the second flange 220 that two specifications are identical, the first flange 210 is connected by bolt 230 with the second flange 220, between the first flange 210 and the second flange 220, liner 240 is set, liner 240 is provided for placing the first ring connected in star 241 of O RunddichtringO near a side of the first flange 210, liner 240 is provided for placing the second annular groove 242 of O RunddichtringO near a side of the second flange 220, first ring connected in star 241 and the second annular groove 242 center are all on the central axis of the first flange 210 and the second flange 220.By liner 240 is set between two flanges, and in the both sides of liner 240, annular groove is all set, and O RunddichtringO is set in annular groove, can be when needs be changed O RunddichtringO, only need to remove the bolt on the flange of one side, liner 240 is taken off to replacing, reduced dismounting operation, promote dismounting speed, and also increased the sealing between flange and flange.
In the present embodiment, the first flange 210 and the second flange 220 are hubbed flange.
The first flange 210 comprises the first flange body 211, the first flange body 211 Yi Ce centers arrange the first connecting tube 212, the first connecting tube 212 arranges the first pipeline 250 away from a side of the first flange body 211, the first connecting tube 212 arranges the first chamfering 2121 near the end of the first pipeline 250, the first pipeline 250, near the end of the first connecting tube 212, the second chamfering 251, the first connecting tubes 212 is set and the first pipeline 250 is welded as a whole.
The second flange 220 comprises the second flange body 221, the second flange body 221 Yi Ce centers arrange the second connecting tube 222, the second connecting tube 222 arranges second pipe 260 away from a side of the second flange body 221, the second connecting tube 222 arranges the 3rd chamfering 2221 near the end of second pipe 260, second pipe 260, near the end of the second connecting tube 222, the 4th chamfering 261, the second connecting tubes 222 is set and second pipe 260 is welded as a whole.
By chamfering is all set on connecting tube and pipeline, chamfering can increase bonding area, and then has increased the intensity of the weld of connecting tube and pipeline, avoids producing weld defects.
In the present embodiment, the first chamfering 2121, the second chamfering 251, the 3rd chamfering 2221 and the 4th chamfering 261 are 37.5 ° of chamferings.
The joint that the joint of the first flange body 211 and the first connecting tube 212 arranges rounding off 270, the second flange body 221 and the second connecting tube 222 also arranges rounding off 270.
In the present embodiment, the first flange body 211 and the first connecting tube 212 are integral type setting, and the second flange body 221 and the second connecting tube 222 are integral type setting.
The first flange 210 center arranges the first through hole 213, the second flange 220 center arranges the second through hole 223, the diameter of the first through hole 213 equals the diameter of the second through hole 223, and liner 240 centers arrange third through-hole 243, and the diameter of third through-hole 243 is greater than the diameter of the first through hole 213.
At least three bolts hole that pass for bolt 230 280 are all set on the first flange 210 and the second flange 220, in the present embodiment, on the first flange 210 and the second flange 220, four bolts hole 280 are evenly set, the external diameter of liner 240 is less than the diameter of a circle being surrounded by four bolts hole 280.
Embodiment two:
As shown in Figure 7, in the present embodiment, novel flange linkage structure assembly of the present utility model, comprise the first flange 310 and the second flange 320 that two specifications are identical, the first flange 310 is connected by bolt 330 with the second flange 320, between the first flange 310 and the second flange 320, liner 340 is set, liner 340 is provided for placing the first ring connected in star 341 of O RunddichtringO near a side of the first flange 310, liner 340 is provided for placing the second annular groove 342 of O RunddichtringO near a side of the second flange 320, first ring connected in star 341 and the second annular groove 342 center are all on the central axis of the first flange 310 and the second flange 320.By liner 340 is set between two flanges, and in the both sides of liner 340, annular groove is all set, and O RunddichtringO is set in annular groove, can be when needs be changed O RunddichtringO, only need to remove the bolt on the flange of one side, liner 340 is taken off to replacing, reduced dismounting operation, promote dismounting speed, and also increased the sealing between flange and flange.
In the present embodiment, the first flange 310 and the second flange 320 are flat neck flange.
The first flange 310 center arranges the first through hole 311, the second flange 320 center arranges the second through hole 321, the diameter of the first through hole 311 equals the diameter of the second through hole 321, and liner 340 centers arrange third through-hole 343, and the diameter of third through-hole 343 is greater than the diameter of the first through hole 311.
At least three bolts hole that pass for bolt 330 350 are all set on the first flange 310 and the second flange 320, in the present embodiment, on the first flange 310 and the second flange 320, four bolts hole 350 are evenly set, the external diameter of liner 340 is less than the diameter of a circle being surrounded by four bolts hole 350.
" first " of the present utility model, " second ", " the 3rd ", " 4th " etc., only, for being distinguished on describing, do not have special implication.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, within these modes all will fall into protection domain of the present utility model.
Claims (10)
1. a flanged connecting structure assembly, it is characterized in that, comprise the first flange and the second flange that two specifications are identical, described the first flange and described the second flange are bolted, between described the first flange and described the second flange, liner is set, described liner is provided for placing the first ring connected in star of O RunddichtringO near a side of described the first flange, described liner is provided for placing the second annular groove of O RunddichtringO near a side of described the second flange, the center of described first ring connected in star and described the second annular groove is all on the central axis of described the first flange and described the second flange.
2. flanged connecting structure assembly according to claim 1, is characterized in that, described the first flange and described the second flange are flat neck flange.
3. flanged connecting structure assembly according to claim 1, is characterized in that, described the first flange and described the second flange are hubbed flange.
4. flanged connecting structure assembly according to claim 3, it is characterized in that, described the first flange comprises the first flange body, described the first flange body Yi Ce center arranges the first connecting tube, described the first connecting tube arranges the first pipeline away from a side of described the first flange body, described the first connecting tube arranges the first chamfering near the end of described the first pipeline, described the first pipeline arranges the second chamfering near the end of described the first connecting tube, and described the first connecting tube and described the first pipeline welding are integrated;
Described the second flange comprises the second flange body, described the second flange body Yi Ce center arranges the second connecting tube, described the second connecting tube arranges second pipe away from a side of described the second flange body, described the second connecting tube arranges the 3rd chamfering near the end of described second pipe, described second pipe arranges the 4th chamfering near the end of described the second connecting tube, and described the second connecting tube and described second pipe are welded as a whole.
5. flanged connecting structure assembly according to claim 4, is characterized in that, described the first chamfering, described the second chamfering, described the 3rd chamfering and described the 4th chamfering are 37.5 ° of chamferings.
6. flanged connecting structure assembly according to claim 4, is characterized in that, the joint of described the first flange body and described the first connecting tube arranges rounding off; The joint of described the second flange body and described the second connecting tube also arranges rounding off.
7. according to the flanged connecting structure assembly described in claim 2 to 6 any one, it is characterized in that, the center of described the first flange arranges the first through hole, the center of described the second flange arranges the second through hole, the diameter of described the first through hole equals the diameter of described the second through hole, described pad centers arranges third through-hole, and the diameter of described third through-hole is greater than the diameter of described the first through hole.
8. according to the flanged connecting structure assembly described in claim 2 to 6 any one, it is characterized in that, described liner at least arranges the described first ring connected in star of a circle near a side of described the first flange, and described liner at least arranges described the second annular groove of a circle near a side of described the second flange.
9. according to the flanged connecting structure assembly described in claim 2 to 6 any one, it is characterized in that, at least three bolts hole that pass for described bolt are all set on described the first flange and described the second flange, and the external diameter of described liner is less than the diameter of a circle being surrounded by described bolt hole.
10. according to the flanged connecting structure assembly described in claim 2 to 6 any one, it is characterized in that, at least three bolts hole that pass for described bolt are all set on described the first flange and described the second flange, the external diameter of described liner is greater than the diameter of a circle being surrounded by described bolt hole, and be less than or equal to the diameter of described the first flange, on described liner, corresponding described bolt hole arranges liner through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705201.2U CN203549209U (en) | 2013-11-08 | 2013-11-08 | Flange connection structure assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705201.2U CN203549209U (en) | 2013-11-08 | 2013-11-08 | Flange connection structure assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203549209U true CN203549209U (en) | 2014-04-16 |
Family
ID=50467325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320705201.2U Expired - Fee Related CN203549209U (en) | 2013-11-08 | 2013-11-08 | Flange connection structure assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203549209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873246A (en) * | 2019-12-20 | 2020-03-10 | 湖南方恒复合材料有限公司 | Flange structure for aluminum alloy vacuum system and manufacturing method thereof |
-
2013
- 2013-11-08 CN CN201320705201.2U patent/CN203549209U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873246A (en) * | 2019-12-20 | 2020-03-10 | 湖南方恒复合材料有限公司 | Flange structure for aluminum alloy vacuum system and manufacturing method thereof |
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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 |
Granted publication date: 20140416 Termination date: 20211108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |