CN204099760U - A kind of high pressure flexible metallic conduit - Google Patents
A kind of high pressure flexible metallic conduit Download PDFInfo
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- CN204099760U CN204099760U CN201420470257.9U CN201420470257U CN204099760U CN 204099760 U CN204099760 U CN 204099760U CN 201420470257 U CN201420470257 U CN 201420470257U CN 204099760 U CN204099760 U CN 204099760U
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- connecting tube
- high pressure
- anchor ear
- metallic conduit
- bellows
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Abstract
The utility model relates to a kind of high pressure flexible metallic conduit, comprise metal bellows and be enclosed within the wire sets outside metal bellows, the two ends of described bellows are straight tube, on straight tube, cover has the first connecting tube, first connecting tube is connected with the second connecting tube, the end of described wire sets is enclosed within the first connecting tube, and wire sets is fixed on the first connecting tube by clip.High pressure flexible metallic conduit of the present utility model, by wire sets by clip tightly be fixed on the first connecting tube, ductility is good, use safety, is coordinated by the cone table shape of the first connecting tube and the second connecting tube, be convenient to connect, bearing capacity is good, not easily reveals, and when needs dismounting first connecting tube and the second connecting tube, convenient disassembly, is convenient to maintenance.
Description
Technical field
The utility model relates to a kind of high pressure flexible metallic conduit, mainly applies to, on the pipeline of cold high-temperature flue gas condensate system in thermal power station's membrane type, belong to delivery line hose connector technical field.
Background technique
This thermal power station uses the fuel that volatilization is high, water content is high, and high-temperature flue gas can produce a large amount of condensed waters in discharge process after the cooling of flue cooling system.If not in time condensed water is discharged, can run equipment and have an impact.The utility model is used in condensing hot air furnace pipeline in flue tube and cooling water circulation pipeline, the installation deviation of suction line and hot swollen shrinkage.
The utility model requires high pressure resistant, and palpus length is long simultaneously, ductility good.Common high pressure flexible metallic conduit, select single-layer metal bellows, the resistance to pressure of bellows is improved by the mode of filling stiffening ring or winding steel wire (rope) in the trough of bellows, its result causes flexible pipe hardness to increase, have impact on the ductility of metallic hose product, reduce the compensation rate of metallic hose, even because the compensation rate of metallic hose can not meet the demands and have influence on the normal operation of equipment.
Model utility content
Technical problem to be solved in the utility model is, overcomes the shortcoming of prior art, provide a kind of high pressure resistant, be convenient to the high pressure flexible metallic conduit that connects, have that bearing capacity is high, an advantage such as not easily leakage, good airproof performance, ductility are good, use safety.
In order to solve above technical problem, the utility model provides a kind of high pressure flexible metallic conduit, comprise metal bellows and be enclosed within the wire sets outside metal bellows, the two ends of described bellows are straight tube, on straight tube, cover has the first connecting tube, first connecting tube is connected with the second connecting tube, and the end of described wire sets is enclosed within the first connecting tube, and wire sets is fixed on the first connecting tube by clip.
The technological scheme that the utility model limits further is: described first connecting tube one end is fixedly connected with the trough of metal bellows by welding, the port of the other end is provided with the hole of cone table shape, the circular cone of the identical tapering with cone table shape is provided with the one end of the second connecting tube that the first connecting tube connects, the cylndrical surface of the first connecting tube is provided with the first installation ring flat-plate, the cylndrical surface of the second connecting tube is provided with the second installation ring flat-plate, the first installation ring flat-plate and second is installed ring flat-plate and is bolted.Because the taper of the first connecting tube and the second connecting tube designs, by bolt tightening first, ring flat-plate and second is installed and ring flat-plate is installed, make the first connecting tube and the second connecting tube can be good at coordinating, and not easily leak, when needs replacing first connecting tube or the second connecting tube, convenient disassembly.
Further, be in axial direction provided with shoulder hole in described first connecting tube pipe, the end of straight tube is provided with flange, and flange is positioned on the step of shoulder hole.When the flange of bellows is positioned on the step of shoulder hole, flange hangs on step, prevents bellows and the first connecting tube from coming off, plays the effect of fixing bellows.
Further, described clip comprises the first semicircle anchor ear and the second semicircle anchor ear, described first semicircle anchor ear is connected by rotating shaft with one end of the second semicircle anchor ear, and the first semicircle anchor ear is connected by hand nutting with the other end of the second semicircle anchor ear.By rotating shaft, the first semicircle anchor ear and the second semicircle anchor ear are flexibly connected, and are convenient to clip fixing wire sets tightly.
The beneficial effects of the utility model are: high pressure flexible metallic conduit of the present utility model, by wire sets by clip tightly be fixed on the first connecting tube, ductility is good, use safety, is coordinated by the cone table shape of the first connecting tube and the second connecting tube, be convenient to connect, bearing capacity is good, not easily reveals, and when needs dismounting first connecting tube and the second connecting tube, convenient disassembly, is convenient to maintenance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Embodiment 1
As shown in Figure 1, internal layer is continuously shaped double-deck longitudinal seam metal bellows 1 to structure of the present utility model, and skin is Stainless Steel Wire net 2.First connecting tube 3 is seamless nipple, and one end of seamless nipple is connected with the end SOCKET WELDING of metal bellows 1, and the other end is connected with the second connecting tube 4 butt welding, and the outside dimension of welding adapter meets on-the-spot size requirement.The end of Stainless Steel Wire net 2 is fixed by clip 5 and is welded on the cylindrical of seamless nipple, and the second connecting tube 4 is connected with mounting flange 8, and adjacent bellows 1 is connected by mounting flange 8.
Liquid Penetrant X-ray check is carried out in II requirement that all weld seams all carry out Liquid Penetrant and JB/T4730.2 by II requirement of JB/T4730.5.
Facts have proved, above-mentioned model utility has that bearing capacity is high, not easily leakage, good airproof performance, ductility are good, the advantage of use safety; Double-deck longitudinal seam corrugated stainless steel tubing 1 and the outer field Stainless Steel Wire net 2 of internal layer ensure that sealing and pressure-bearing property; The process of weld and non-destructive inspection ensure welding quality; Continuously shaped bellows 1 production technology can produce the longer double-ply bellows of length 1.Compared with existing ordinary high pressure metallic hose, the utility model ductility is better, is easier to install.
Embodiment 2
A kind of high pressure flexible metallic conduit that the present embodiment provides, as shown in Figure 2, the wire sets 2 comprising metal bellows 1 and be enclosed within outside metal bellows 1, the two ends of bellows 1 are straight tube, on straight tube, cover has the first connecting tube 3, first connecting tube 3 is connected with the second connecting tube 4, and the end of wire sets 2 is enclosed within the first connecting tube 3, and wire sets 2 is fixed on the first connecting tube 3 by clip 5.
In the present embodiment, first connecting tube 3 one end is fixedly connected with the trough of metal bellows 1 by welding, the port of the other end is provided with the hole of cone table shape, the one end of the second connecting tube 4 connected with the first connecting tube 3 is provided with the circular cone of the identical tapering with cone table shape, the preferred 1:1 of tapering, the cylndrical surface of the first connecting tube 3 is provided with the first installation ring flat-plate 6, the cylndrical surface of the second connecting tube 4 is provided with the second installation ring flat-plate 7, first installation ring flat-plate 6 and the second installation ring flat-plate 7 are provided with multiple mounting hole, first installation ring flat-plate 6 and the second installation ring flat-plate 7 penetrate mounting hole by bolt and are connected the first connecting tube 3 and the second connecting tube 4.Because the frustum of the first connecting tube 3 and the second connecting tube 4 designs, by bolt tightening first, ring flat-plate 6 and second is installed and ring flat-plate 7 is installed, the first connecting tube 3 and the second connecting tube 4 is made to can be good at coordinating, and not easily leak, when needs replacing first connecting tube 3 or the second connecting tube 4, convenient disassembly.First connecting tube 3 is in axial direction provided with shoulder hole in managing, and the end of bellows 1 straight tube is provided with flange, and flange is positioned on the step of shoulder hole.When the flange of bellows 1 is positioned on the step of shoulder hole, flange hangs on step, prevents bellows 1 and the first connecting tube 3 from coming off, plays the effect of fixing bellows 1.Prevent bellows 1 and the first connecting tube 3 from coming off, play the effect of fixing bellows 1.Clip 5 comprises the first semicircle anchor ear and the second semicircle anchor ear, and the first semicircle anchor ear is connected by rotating shaft with one end of the second semicircle anchor ear, and the first semicircle anchor ear is connected by hand nutting with the other end of the second semicircle anchor ear.By rotating shaft, the first semicircle anchor ear and the second semicircle anchor ear are flexibly connected, and are convenient to clip 5 fixing wire sets 2 tightly.
In the present embodiment, two bellowss 1 are one group, the two ends of a bellows 1 connect the first connecting tube 3, the two ends of another root bellows 1 connect the second connecting tube 4, and like this, many bellowss 1 are easy to connect, and when bellows 1 changed by needs, convenient disassembly, easy to maintenance, and also bearing capacity is high, not easily leakage, good airproof performance, ductility are good, use safety.
In addition to the implementation, the utility model can also have other mode of executions.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (4)
1. a high pressure flexible metallic conduit, comprise metal bellows and be enclosed within the wire sets outside metal bellows, it is characterized in that: the two ends of described bellows are straight tube, on straight tube, cover has the first connecting tube, first connecting tube is connected with the second connecting tube, the end of wire sets is enclosed within the first connecting tube, and wire sets is fixed on the first connecting tube by clip.
2. high pressure flexible metallic conduit according to claim 1, it is characterized in that: described first connecting tube one end is fixedly connected with the trough of metal bellows by welding, the port of the other end is provided with the hole of cone table shape, the circular cone of the identical tapering with cone table shape is provided with the one end of the second connecting tube that the first connecting tube connects, the cylndrical surface of the first connecting tube is provided with the first installation ring flat-plate, the cylndrical surface of the second connecting tube is provided with the second installation ring flat-plate, the first installation ring flat-plate and second is installed ring flat-plate and is bolted.
3. high pressure flexible metallic conduit according to claim 1, is characterized in that: be in axial direction provided with shoulder hole in described first connecting tube pipe, the end of straight tube is provided with flange, and flange is positioned on the step of shoulder hole.
4. high pressure flexible metallic conduit according to claim 1, it is characterized in that: described clip comprises the first semicircle anchor ear and the second semicircle anchor ear, described first semicircle anchor ear is connected by rotating shaft with one end of the second semicircle anchor ear, and the first semicircle anchor ear is connected by hand nutting with the other end of the second semicircle anchor ear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420470257.9U CN204099760U (en) | 2014-08-19 | 2014-08-19 | A kind of high pressure flexible metallic conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420470257.9U CN204099760U (en) | 2014-08-19 | 2014-08-19 | A kind of high pressure flexible metallic conduit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204099760U true CN204099760U (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420470257.9U Active CN204099760U (en) | 2014-08-19 | 2014-08-19 | A kind of high pressure flexible metallic conduit |
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| Country | Link |
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| CN (1) | CN204099760U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296280A (en) * | 2019-06-28 | 2019-10-01 | 秦皇岛市泰德管业科技有限公司 | A kind of novel flexible fire-fighting metal hose and single track welding method |
| CN114811210A (en) * | 2021-12-31 | 2022-07-29 | 宁波天鑫金属软管有限公司 | Coating layer structure of corrugated hose for gas and mounting method thereof |
-
2014
- 2014-08-19 CN CN201420470257.9U patent/CN204099760U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296280A (en) * | 2019-06-28 | 2019-10-01 | 秦皇岛市泰德管业科技有限公司 | A kind of novel flexible fire-fighting metal hose and single track welding method |
| CN114811210A (en) * | 2021-12-31 | 2022-07-29 | 宁波天鑫金属软管有限公司 | Coating layer structure of corrugated hose for gas and mounting method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |