CN203671054U - Spiral steel-plastic composites pipe formed through fastening and pressing - Google Patents
Spiral steel-plastic composites pipe formed through fastening and pressing Download PDFInfo
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- CN203671054U CN203671054U CN201320885262.1U CN201320885262U CN203671054U CN 203671054 U CN203671054 U CN 203671054U CN 201320885262 U CN201320885262 U CN 201320885262U CN 203671054 U CN203671054 U CN 203671054U
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- reinforced layer
- composite pipe
- bucklet
- steel band
- turn
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Abstract
The utility model discloses a spiral steel-plastic composites pipe formed through fastening and pressing. The spiral steel-plastic composites pipe comprises an inner round pipe, a reinforcing steel belt and an outer pipe, wherein the reinforcing steel belt is arranged between the inner round pipe and the outer pipe and comprises a plurality of structure units with the section in the shape of 'S' placed transversely, the adjacent structure units are meshed and fastened in pairs to form a whole reinforcing layer, the surface layer of each structure unit is coated with an adhesive resin layer, and the structure units are connected with the inner round pipe and the outer pipe through the adhesive resin layers. The spiral steel-plastic composites pipe is stable in structure and good in seal performance, has flexibility, and not only can the ring stiffness grade of the composite pipe be effectively improved and the application range be widened, but also the inner loading capacity of the composite pipe can be effectively improved. In addition, the spiral steel-plastic composites pipe has the advantages of being smooth in inner wall, resistant to abrasion and corrosion, not prone to ageing and the like.
Description
Technical field
The utility model relates to the molded steel-plastic composite pipe of a kind of turn-bucklet, belongs to ventilation, supplying drainage design field.
Background technique
Spiral duct is mainly used in the circulation of air between UNICOM two places, plays ventilated effect.Spiral duct mainly contains at present: zinc-coated spiral airduct, stainless steel spiral duct, it is mainly used in cleaning system and sends airduct, central air-conditioning ventilation duct, industrial supply and exhaust ventilation duct, environment friendly system suction airduct, mining drainage gas pipe etc. back to.The existing spiral duct of being made up of cold-rolled steel coils has overcome original inorganic glass-fiber reinforced plastic poor toughness, fragility is large, yielding, the shortcoming such as damp suction surface halide accumulation, poor water resistance, and the shortcoming such as seamless steel pipe weight is large, installation difficulty is high, poor water resistance, corrosion-resistant, wall unevenness are even.
Existing spiral duct is to be enclosed to connect with another corresponding sides screw occlusion on one side with it by cold-rolled steel coils, stainless steel to form.But because chemical reaction easily occurs iron sheet under some environment, cause burn into get rusty, and zinc changes hardly in dry air, as in malaria, zinc surface can generate fine and close basic zinc carbonate film.Therefore zinc-coated spiral airduct is mainly on airduct iron sheet, to plate one deck zinc, iron sheet is played to the effect of protection.But above-mentioned zinc-plated operation is comparatively complicated loaded down with trivial details, as there is the careless mistake of iron sheet in zinc-plated operation, easily cause the quality problems of ventilation duct.
Because spiral duct is applied in the special dimension such as industry, down-hole gas sucking releasing, require very high to its tightness, as relate to the field of Embedment and installation, and the ring stiffness of tubing is required more strictly, otherwise be prone under outside pressure the problem that causes tube wall deformation, breaks and come off.
Secondly, for waste pipe field, at present mainly take steel band reinforced polyethylene spiral ripple pipe as main, but in the time of DN >=1000mm, the ring stiffness of tubing reduces very large, and to guarantee that it has higher ring stiffness and just must reach designing requirement by increasing the base materials such as polythene material, thickness of strips, simultaneously the cost of tubing also strengthens thereupon, and along with the increase of thickness of strips specification, steel band turns to moulding process also to increase difficulty thereupon;
Further, because steel band reinforced polyethylene spiral ripple pipe is applied in drainage works, what mainly bear is the pressure that bring outside, therefore, concerning manufacturer, the ring stiffness requirement to tubing in tubing design is comparatively strict, and has often ignored the design that pressure is born in tubing inside, cannot, in the breakthrough of acquisition of technology aspect pressure piping, therefore also limit the application of steel band reinforced polyethylene spiral ripple pipe.
Model utility content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide a kind of tubing to have flexibility and the molded steel-plastic composite pipe of smooth smooth, corrosion resistant turn-bucklet.
For achieving the above object, the utility model is to realize by following technological scheme:
The molded steel-plastic composite pipe of a kind of turn-bucklet, comprise circular inner tube, strengthen steel band and outer tube, described reinforcement steel band is arranged between circular inner and outer tubes, it is characterized in that, described reinforcement steel band comprises that multiple sectional shapes are the element of construction of similar " ∽ " shape, between adjacent element of construction by between two mutually interlock snapping form overall reinforced layer, and the top layer of described element of construction is also coated with adhering resin layer, described element of construction is connected with described circular inner and outer tubes by adhering resin layer, has strengthened bonding strength and sealing.
Further, the middle part of described element of construction is formed with at least one projection, and described protruding cross section is triangle, rectangle, trapezoidal, circular arc, " U " shape or parabola shaped of falling.
And the outer wall longitudinal section of described outer tube be shaped as a plane or consistent with the upper surface sectional shape of described reinforcement steel band, and the inwall longitudinal section of described outer tube is a plane or consistent with the upper surface sectional shape of described reinforcement steel band, and the upper surface portion of the inwall of described outer tube and reinforcement steel band or completely bonding, in the time that the inwall longitudinal section of described outer tube is a plane, it is connected with the most significant end of strengthening steel band, and in the time that the upper surface sectional shape of the inwall longitudinal section of described outer tube and described reinforcement steel band is consistent, the inwall of described outer tube completely contacts and is connected with the upper surface of strengthening steel band.
Further, inwall longitudinal section and the outer wall longitudinal section of described inner tube are a plane, and are also provided with packing in the space forming between the outer wall of described circular inner tube and reinforcement steel band, further strengthen anti-interior the pressure and external pressure ability of composite pipe.
In addition, can also in described circular inner tube, be provided with reinforced layer, described reinforced layer is along the circumferential direction spiral winding of circular inner tube, and described reinforced layer is connected with described circular inner tube by bonding several resin layers.
Can certainly in described outer tube, be provided with reinforced layer, described reinforced layer is along the circumferential direction spiral winding of outer tube, and described reinforced layer is connected with described outer tube by adhering resin layer.
Or in described circular inner and outer tubes, be provided with reinforced layer, and respectively along the circumferential direction spiral winding of circular inner and outer tubes, and described reinforced layer is connected with described circular inner and outer tubes by adhering resin layer.
Further, described reinforced layer is thread reinforced layer or banded reinforced layer, wherein, described thread reinforced layer is wire, metallic cable, fiber tuft or textile rope, described banded reinforced layer is fiber band or strengthens cloth, wherein, the mode of the spiral winding of described fiber band or enhancing cloth is stacked winding.In addition, a number of described reinforced layer spiral winding is single head or bull, and is that single rotation direction is wound around or double rotational directions is wound around.
Further, the material of described reinforcement steel band is metal or alloy.
The beneficial effects of the utility model are: the utility model is by being designed to reinforcement steel band similar " ∽ " shape, and be connected and fixed by the mode of interlock snapping, make the structure of composite pipe described in the utility model more firm, and there is bending properties and flexibility, and because the outside of strengthening steel band is also coated with adhering resin layer, make to strengthen steel band and be connected by the hot melt of adhering resin layer with circular inner and outer tubes, not only increased the fastness and the intensity that connect, and increased sealability.And by the middle part of strengthening steel band is designed to convex shape, and described protruding sectional shape is triangle, rectangle, trapezoidal, circular arc, " U " shape of falling, and described projection is at least one, said structure is the ring stiffness grade of reinforced composite pipe effectively, will more extensive thereby make described composite pipe in practice.In addition, by set up reinforced layer in circular inner tube, outer tube, then improved the ring stiffness grade of composite pipe, thereby also increased the interior bearing capacity of composite pipe, the utility model also possess inner wall smooth, wear-resistant, corrosion-resistant, be difficult for the advantages such as aging.
Accompanying drawing explanation
Fig. 1 is the utility model one embodiment's structural representation;
Fig. 2 is the structural representation of reinforcement steel band element of construction described in the utility model;
Fig. 3 is another structural representation of reinforcement steel band element of construction described in the utility model;
Fig. 4 is the structural representation one of outer tube described in the utility model;
Fig. 5 is the structural representation two of outer tube described in the utility model;
Fig. 6 is the structural representation of inner tube described in the utility model;
Fig. 7 is the structural representation that reinforced layer is set in circular inner tube described in the utility model;
Fig. 8 is the structural representation that reinforced layer is set in outer tube described in the utility model;
Fig. 9 is the structural representation that is provided with reinforced layer in circular inner and outer tubes described in the utility model.
In figure, main reference character implication is:
1, circular inner tube 2, outer tube 3, reinforcement steel band
4, element of construction 41, projection 5, adhering resin layer
6, reinforced layer 7, packing.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is carried out to concrete introduction.
Fig. 1 is the utility model one embodiment's structural representation.
As shown in Figure 1: the molded steel-plastic composite pipe of turn-bucklet, comprise circular inner tube 1, strengthen steel band 3 and outer tube 2, described reinforcement steel band 3 is arranged between circular inner tube 1 and outer tube 2, described reinforcement steel band 3 comprises that multiple sectional shapes are the element of construction 4 of similar " ∽ " shape, between adjacent element of construction 4 by between two mutually interlock snapping form overall reinforced layer, this kind of occlusion structure, strengthen the stable degree of structural entity, and there is flexibility and bending properties, in addition, in the present embodiment, the material of described reinforcement steel band 3 is metal, be specially steel, certainly can also be other materials, as zinc-plated or copper-plated steel, aluminium etc., can be conducive to antirust.
Fig. 2 is the structural representation of reinforcement steel band element of construction described in the utility model.
As shown in Figure 2: the top layer of described element of construction 4 is also coated with adhering resin layer 5, described element of construction 4 is in the time being connected with outer tube 2 with circular inner tube 1, by being fixedly connected with outer tube 2 with circular inner tube 1 after adhering resin layer 5 hot melt, bonding strength and sealability are strengthened.
Fig. 3 is another structural representation of reinforcement steel band element of construction described in the utility model.
As shown in Figure 3: the middle part of described element of construction 4 is formed with projection 41, in the present embodiment, described projection 41 is one, certainly described projection 41 can be also multiple, in addition, the cross section of described projection 41 is triangle, rectangle, trapezoidal, circular arc, " U " shape or parabola shaped of falling, and in the present embodiment, described projection 41 is circular arc.
Fig. 4 is the structural representation one of outer tube described in the utility model.
As shown in Figure 4: the outer wall vertical sectional shape of described outer tube 2 is a plane, and now, the inwall longitudinal section of described outer tube 2 is also a plane, it is connected with the most significant end of strengthening steel band 3, in the present embodiment, because the most significant end of strengthening steel band 3 at least comprises a plane, therefore, the inwall of outer tube 2 is realized face with reinforcement steel band 3 and is contacted.
Fig. 5 is the structural representation two of outer tube described in the utility model.
As shown in Figure 5: described outer tube 2 outer wall vertical sectional shapes are consistent with the upper surface sectional shape of described reinforcement steel band, the longitudinal section of its inwall can be also a plane, in the time being plane, it is connected with the most significant end of strengthening steel band 3, and the most significant end of described reinforcement steel band 3 at least comprises a plane, therefore, the inwall of outer tube 2 with strengthen steel band 3 and realize face and contact.And in the present embodiment, the longitudinal section of the inwall of described outer tube 2 is consistent with the upper surface sectional shape of described reinforcement steel band 3, now, the inwall of described outer tube 2 completely contacts and is connected with the upper surface of strengthening steel band 3.
Fig. 6 is the structural representation of inner tube described in the utility model.
As shown in Figure 6: in the space forming between the outer wall of described inner tube 1 and reinforcement steel band 3, be also provided with packing 7, can further strengthen anti-interior the pressure and external pressure ability of composite pipe.
Fig. 7 is the structural representation that reinforced layer is set in circular inner tube described in the utility model.
As shown in Figure 7: in described circular inner tube 1, be provided with reinforced layer 6, described reinforced layer 6 is along the circumferential direction spiral winding of circular inner tube 1, and described reinforced layer 6 is connected with described circular inner tube 1 by bonding several resin layers 5.
Fig. 8 is the structural representation that reinforced layer is set in outer tube described in the utility model.
As shown in Figure 8: in outer tube 2, be provided with reinforced layer, described reinforced layer 6 is along the circumferential direction spiral winding of outer tube, and described reinforced layer 6 is connected with described outer tube 2 by adhering resin layer 5.
Fig. 9 is the structural representation that is provided with reinforced layer in circular inner and outer tubes described in the utility model.
As shown in Figure 9: in circular inner tube 1 and outer tube 2, be provided with reinforced layer 6, and respectively along the circumferential direction spiral winding of circular inner tube 1 and outer tube 2, and described reinforced layer 6 is connected with described circular inner tube 1 and outer tube 2 by adhering resin layer, this kind of set-up mode, in anti-, pressure energy power is stronger, and ring stiffness rank is higher.
In the present embodiment, described reinforced layer 6 is thread reinforced layer, and be steel wire, and be that single head list rotation direction is wound around, certainly, described reinforced layer 6 can be also other wires, metallic cable, fiber tuft or textile rope, also can be banded reinforced layer, banded reinforced layer can be fiber band or strengthen cloth.Wherein, in the time being thread reinforced layer, its cross section is circular, flat or other are irregularly shaped.In the time being banded reinforced layer, the mode of its spiral winding can be stacked winding.In addition, a number of spiral winding can be also bull, and certainly, the rotation direction of winding also can be wound around for double rotational directions.Winding angle can carry out accommodation according to the usability of tubing.
The utility model is by being designed to reinforcement steel band 3 similar " ∽ " shape, and be connected and fixed by the mode of interlock snapping, make the structure of composite pipe described in the utility model more firm, and there is bending properties and flexibility, and because the top layer of strengthening steel band 3 is also coated with adhering resin layer 5, making to strengthen steel band 3 can be connected by the hot melt of adhering resin layer 5 with circular inner and outer tubes, the fastness and the intensity that connect are not only increased, and increase sealability, prevented from strengthening that steel band 3 is corroded, distortion etc.And by the middle part of strengthening steel band 3 is designed to protruding 41 shapes, and the sectional shape of described projection 41 is triangle, rectangle, trapezoidal, circular arc, " U " shape or parabola shaped of falling, and described projection 41 is at least one, said structure is the ring stiffness grade of reinforced composite pipe effectively, will more extensive thereby make described composite pipe in practice.In addition, by set up reinforced layer in circular inner tube 1, outer tube 2, then improved the ring stiffness grade of composite pipe, thereby also increase the interior bearing capacity of composite pipe, in addition, the material of circular inner tube 1 and outer tube 2 is plastics, therefore this composite pipe also possess inner wall smooth, wear-resistant, corrosion-resistant, be difficult for the advantages such as aging.
The utility model is illustrated and should be appreciated that above-described embodiment does not limit the utility model in any form according to above-described embodiment, and all employings are equal to replaces or the technological scheme that obtains of equivalent transformation mode, within all dropping on protection domain of the present utility model.
Claims (10)
1. the molded steel-plastic composite pipe of turn-bucklet, comprise circular inner tube, strengthen steel band and outer tube, described reinforcement steel band is arranged between circular inner and outer tubes, it is characterized in that, described reinforcement steel band comprises that multiple sectional shapes are the element of construction of similar " ∽ " shape, between adjacent element of construction by between two mutually interlock snapping form overall reinforced layer, and the top layer of described element of construction is also coated with adhering resin layer, described element of construction is connected with described circular inner and outer tubes by adhering resin layer.
2. the molded steel-plastic composite pipe of a kind of turn-bucklet according to claim 1, it is characterized in that, the middle part of described element of construction is formed with at least one projection, and described protruding cross section is triangle, rectangle, trapezoidal, circular arc, " U " shape or parabola shaped of falling.
3. the molded steel-plastic composite pipe of a kind of turn-bucklet according to claim 1, it is characterized in that, the outer wall longitudinal section of described outer tube is a plane or consistent with the sectional shape of the upper surface of described reinforcement steel band, and the inwall longitudinal section of described outer tube is a plane or consistent with the upper surface sectional shape of described reinforcement steel band, and the inwall of described outer tube with strengthen the upper surface portion of steel band or completely bonding.
4. the molded steel-plastic composite pipe of a kind of turn-bucklet according to claim 3, it is characterized in that, inwall longitudinal section and the outer wall longitudinal section of described inner tube are a plane, and are also provided with packing in the space forming between the outer wall of described circular inner tube and reinforcement steel band.
5. the molded steel-plastic composite pipe of a kind of turn-bucklet according to claim 1, it is characterized in that, in described circular inner tube, be also provided with reinforced layer, described reinforced layer is along the circumferential direction spiral winding of circular inner tube, and described reinforced layer is connected with described circular inner tube by bonding several resin layers.
6. the molded steel-plastic composite pipe of a kind of turn-bucklet according to claim 1 or 5, it is characterized in that, in described outer tube, be provided with reinforced layer, described reinforced layer is along the circumferential direction spiral winding of outer tube, and described reinforced layer is connected with described outer tube by adhering resin layer.
7. the molded steel-plastic composite pipe of a kind of turn-bucklet according to claim 6, it is characterized in that, described reinforced layer is thread reinforced layer or banded reinforced layer, wherein, described thread reinforced layer is wire, metallic cable, fiber tuft or textile rope, and described banded reinforced layer is fiber band or strengthens cloth.
8. the molded steel-plastic composite pipe of a kind of turn-bucklet according to claim 7, is characterized in that, the mode of described banded reinforced layer spiral winding is stacked winding.
9. the molded steel-plastic composite pipe of a kind of turn-bucklet according to claim 6, is characterized in that, a number of described reinforced layer spiral winding is single head or bull, and is that single rotation direction is wound around or double rotational directions is wound around.
10. the molded steel-plastic composite pipe of a kind of turn-bucklet according to claim 1, is characterized in that, the material of described reinforcement steel band is metal or alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320885262.1U CN203671054U (en) | 2013-12-31 | 2013-12-31 | Spiral steel-plastic composites pipe formed through fastening and pressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320885262.1U CN203671054U (en) | 2013-12-31 | 2013-12-31 | Spiral steel-plastic composites pipe formed through fastening and pressing |
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| Publication Number | Publication Date |
|---|---|
| CN203671054U true CN203671054U (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320885262.1U Expired - Fee Related CN203671054U (en) | 2013-12-31 | 2013-12-31 | Spiral steel-plastic composites pipe formed through fastening and pressing |
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| CN (1) | CN203671054U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711993A (en) * | 2013-12-31 | 2014-04-09 | 陆宇航 | Spiral steel-plastic compound pipe formed in buckling and pressing mode |
| CN109983269A (en) * | 2016-06-30 | 2019-07-05 | 通用电气石油和天然气英国有限公司 | Sacrificing protection part |
-
2013
- 2013-12-31 CN CN201320885262.1U patent/CN203671054U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711993A (en) * | 2013-12-31 | 2014-04-09 | 陆宇航 | Spiral steel-plastic compound pipe formed in buckling and pressing mode |
| CN103711993B (en) * | 2013-12-31 | 2016-08-17 | 陆宇航 | A kind of molded steel-plastics composite pipe of screw-button |
| CN109983269A (en) * | 2016-06-30 | 2019-07-05 | 通用电气石油和天然气英国有限公司 | Sacrificing protection part |
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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: 20140625 Termination date: 20211231 |