CN203223655U - Steel-plastic composite winding structure wall pipe - Google Patents
Steel-plastic composite winding structure wall pipe Download PDFInfo
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- CN203223655U CN203223655U CN 201320191360 CN201320191360U CN203223655U CN 203223655 U CN203223655 U CN 203223655U CN 201320191360 CN201320191360 CN 201320191360 CN 201320191360 U CN201320191360 U CN 201320191360U CN 203223655 U CN203223655 U CN 203223655U
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- winding structure
- steel band
- plastic
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Abstract
The utility model relates to a steel-plastic composite winding structure wall pipe, and the defect that in the prior art, when a steel belt is combined with plastic, using stability of a tubular product is affected is overcome. The winding structure wall pipe is in a cylindrical shape as a whole and formed by plastic pipes and steel belts in parallel in a synchronously spiral winding mode, a steel belt containing cavity is arranged in the upright side of each plastic pipe, each steel belt is positioned in the containing cavity, the plastic pipes are connected through a hot melt adhesive after the spiral winding, and the inner side edge and the outer side edge of each steel belt after winding along with the plastic pipes are sealed. The plastic pipes and the steel belts are spirally wound synchronously, moreover, the steel belts are arranged in the plastic pipes in a penetrating mode, the plastic pipes serve as main strength providing components of the winding structure wall pipe, the steel belts play a role in rigidity enhancing of the plastic pipes, and finally rigidity of the steel-plastic composite winding structure wall pipe is improved. The steel belts are positioned in the containing cavities of the plastic pipes, therefore, ring rigidity of the winding structure wall pipe is improved, and meanwhile, the problem that according to an existing steel-plastic composite winding structure wall pipe, the structure is instable due to steel-plastic separation is solved well.
Description
Technical field
The utility model relates to a kind of steel-plastic composite pipe, reduces the steel of raw material consumption under especially a kind of prerequisite that keeps high ring rigidity and moulds compound winding structure pipe.
Background technique
High-purity density polyethylene (HDPE) winding structure wall pipe is buried rain, the dirty waste pipe that has all generally used both at home and abroad already, has long, advantages such as steady quality is reliable, easy to connect, good leak tightness service life.
Increase along with the urban population number, in continuous increasing, along with the increasing of bore, also need the bigger buried degree of depth in the designing requirement medium caliber of buried pipeline simultaneously, the ring stiffness index that these conditions all require tubing to possess more to increase prevents from occurring in the using process phenomenons such as conquassation.
As the important indicator ring stiffness of buried pipeline, produce raw-material Young's modulus with tubing and tubing axial rotation inertia is directly proportional, be inversely proportional to 3 powers of pipe diameter.In order to satisfy the high ring rigidity requirement, idea reduces the raw material consumption as far as possible again simultaneously, has only by the approach that improves used raw-material Young's modulus and increase the tube wall rotary inertia under the situation of certain materials amount as far as possible and implements improvement.Because the Young's modulus of steel is far longer than high density polyethylene (HDPE), but steel easily are corroded and flexible deficiency, so allow it be combined with high density polyethylene (HDPE), design specific structural walls, are more satisfactory approach.Adopted the structure-wall pipe material of several steel bands and the compound winding of high density polyethylene (HDPE) at present on the market, home and abroad, but the design of its composite structure wall is unreasonable, the very serious resistance to compression weak spot of existence on the structure being arranged and cause tubing integral body is not a high-intensity overall structure, also have steel band and plastics do not combine to ring stiffness do not play the effect, do not form self-enclosed by the steel band outer plastics that coats yet and cause steel band to be corroded and separate with plastics, these factors have all been destroyed stability of structure, and pipe structure intensity is greatly affected.
Patent Office of the People's Republic of China discloses a CN101451637A document on June 10th, 2009, name is called steel plastic composite structure wall tube, is moulded that compound T type band spiral twines and is formed by connecting with the hot melt adhesive weldering by steel, forms the U-shaped structural walls pipeline with stiffening rib.Use T type band spiral to twine, make that the position intensity of band T bar band is higher on the band, and the position between band and the band becomes the weak part of pipeline.The outside of pipeline forms dentation structure, and in buried, the easy deposit cognition in dentation position is pushed the column position of T bar band, and the tube wall of pipeline is caused lateral extrusion, influences the stability of pipeline.
Summary of the invention
The utility model has solved the defective that has influenced the tubing stability in use when steel band and plastics are combined in the prior art, provide a kind of steel to mould compound winding structure pipe, steel band is in the self-enclosed structure of plastics, both improved the ring stiffness of tubing, possessed all advantages of plastic tube again, and guaranteed the stability of pipe structure.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of steel is moulded compound winding structure pipe, whole cylindrical, the winding structure pipe is entwined by moulding the parallel synchronous screw with steel band of pipe, mould in the setting limit of pipe and be provided with the steel band cavity volume, steel band is in this cavity volume, mould to mould between the pipe after the pipe spiral twines and connect by hot melt adhesive, steel band is closed shape with inner side edge and the outer side of moulding after the pipe spiral twines.Mould pipe and steel band synchronous screw and twine, and steel band to wear and mould pipe inner, mould pipe and provide parts as the main intensity of winding structure pipe, steel band can play the effect of strengthening moulding the pipe rigidity, also the final raising steel rigidity of moulding compound winding structure pipe just; Steel band is in the cavity volume of moulding pipe and does not require and mould pipe and be combined into as a whole, only with mould pipe and be combined into community, so both improved the ring stiffness of winding structure pipe, and also well solved present steel simultaneously and moulded compound winding structure pipe owing to steel is moulded the structural instability that separation causes; Mould pipe inside and wear steel band, this structure reduces keeping can moulding the tubular construction height under the prerequisite of identical ring stiffness, also can be the inside and outside wall reduced thickness, thus save the use amount of moulding tube material, such as the use amount of PE, can reduce fabricating cost greatly.
As preferably, to mould pipe and comprise two continuous plastic tubes, each bar plastic tube inside is provided with cavity, and the cavity volume of steel band is in the connection part place between two plastic tubes.Article two, plastic tube is linked to be one and moulds pipe, and in each bar plastic tube cavity is arranged, and can enlarge the width of moulding pipe like this, under the prerequisite that guarantees ring stiffness, reduces plastic tube material consumption simultaneously.
As preferably, the linkage section by homogeneity between two plastic tubes is connected, and linkage section is in the lateral location of plastic tube, and this side is to mould to be in inboard side after the pipe spiral twines.Linkage section is in moulds the inner side edge that pipe twines, and makes and moulds in the pipe winding process, need not seal processing to this inner side edge.
As preferably, the plastic tube of linkage section and both sides has been formed the cavity volume of steel band, and after steel band penetrated into this cavity volume, another side of two plastic tubes connected by the hot melt adhesive sealing.The opening of cavity volume conveniently seals this position towards the outside.
As preferably, after hot melt adhesive connected adjacent plastic tube, upper surface and the lower surface of moulding pipe all kept smooth; Mould pipe and twine the adjacent pipe of moulding of back hot melt adhesive filling, internal surface and outer surface that steel is moulded compound winding structure pipe all keep smooth.The plastic tube structure height can be reduced under the prerequisite of identical ring stiffness keeping, also can be the inside and outside wall reduced thickness, thus the use amount of saving the plastic tube material.
As preferably, the position that connects with hot melt adhesive between the adjacent plastic tube is provided with the glue chamber, and the width in glue chamber is greater than the width of the cavity volume between two plastic tubes, and hot melt adhesive is filled in this glue chamber.Hot melt adhesive is filled the glue chamber, and the width of filling improves the sealing effect to cavity volume greater than the width of cavity volume.
Steel band can multiple scheme, and first kind of scheme: steel band is the flat rubber belting of the rectangular shape in cross section, and ribbon spiral is that vertical spiral twines when twining, and the length direction in steel band cross section is in the radial direction of winding structure pipe.
Second kind of scheme: the cross section of steel band takes the shape of the letter U, and when ribbon spiral twined, the U-shaped opening of steel band was towards the inner side edge of spiral.Further improve ring stiffness, perhaps keep saving more materials under the prerequisite of identical ring stiffness.
As preferably, the opening of steel band U-shaped is bent with supporting foot to the U-shaped center line, leaves the gap between two supporting foots.
The beneficial effects of the utility model are: mould pipe and steel band synchronous screw and twine, and steel band wears and moulds pipe inside, mould pipe and provide parts as the main intensity of winding structure pipe, steel band can play the effect of strengthening moulding the pipe rigidity, also just finally improves the rigidity that steel is moulded compound winding structure pipe; Steel band is in the cavity volume of moulding pipe and does not require and mould pipe and be combined into as a whole, only with mould pipe and be combined into community, so both improved the ring stiffness of winding structure pipe, and also well solved present steel simultaneously and moulded compound winding structure pipe owing to steel is moulded the structural instability that separation causes.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 is the enlarged diagram among the utility model Fig. 1;
Fig. 3 is second kind of structural representation of the utility model;
Fig. 4 is the enlarged diagram among the utility model Fig. 2;
Among the figure: 1, mould pipe, 2, plastic tube, 3, the hot melt adhesive of sealing usefulness, 4, steel band, 5, the glue chamber, 6, linkage section, 7, cavity volume, 8, cavity, 9, supporting foot.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: a kind of steel is moulded compound winding structure pipe (referring to accompanying drawing 1 accompanying drawing 2), and is whole cylindrical, is that the pipe 1 moulded of rectangle is entwined with steel band 4 parallel synchronous screws by the cross section, moulds pipe and mould between the pipe to strike up partnership by melt viscosity.Mould pipe and comprise two continuous plastic tubes 2, each bar plastic tube inside is provided with the cavity 8 of rectangle.Linkage section 6 by homogeneity between two plastic tubes links to each other and is overall structure, is provided with the cavity volume 7 of placing steel band in the setting limit between two plastic tubes, and steel band penetrates in the cavity volume radially thirty years of age.Linkage section is in the lateral location of two plastic tubes, and this side is to mould to be in inboard side after the pipe spiral twines.After steel band penetrated in the cavity volume, the opening of cavity volume was connected by hot melt adhesive 3 sealings of sealing usefulness.After the hot melt adhesive 3 of sealing usefulness connected adjacent plastic tube, upper surface and the lower surface of moulding pipe all kept smooth; Mould pipe and twine the adjacent pipe of moulding of back hot melt adhesive filling, internal surface and outer surface that steel is moulded compound winding structure pipe all keep smooth.Steel band is the flat rubber belting of the rectangular shape in cross section, and the height of steel band is less than the height of plastic tube.Steel band penetrates in the cavity volume, and the dual-side of steel band equates apart from the distance of the dual-side of plastic tube respectively.
PE that extruder is extruded is through becoming the square pipe of moulding that is linked to each other by linkage section by two plastic tubes behind the Vacuum shaping, mould and be wound into jointly on the compound molding equipment after pipe inserts synchronously together with the steel band through the spiral integer, rotated under the drive of molding machine by the compound pipe of moulding of going up steel band, after the hot melt adhesive that the while extruder is extruded covers steel band the cavity volume between the plastic tube is filled and led up, enclosed the spiral section of moulding pipe of steel band by the bonding following complete structured wall popes that is combined into of the hot melt adhesive of being extruded by extruder, under the continuous-winding forming on the compound molding equipment, make tapping and mould compound winding structure pipe, after treating that tubing arrives preseting length, cutting is rolled off the production line, and finishes production.
Embodiment 2: a kind of steel is moulded compound winding structure pipe (referring to accompanying drawing 3 accompanying drawings 4), the cross section of the steel band that wears between two plastic tubes takes the shape of the letter U, when ribbon spiral twines, the U-shaped opening of steel band is towards the inner side edge of spiral, the opening of steel band U-shaped is bent with between supporting foot 9, two supporting foots to the U-shaped center line and leaves the gap.All the other structures are with reference to embodiment 1.
Embodiment 3: a kind of steel is moulded compound winding structure pipe, and the cavity volume between two plastic tubes is provided with glue chamber 5 at the position of opening, and the width of glue rifle is greater than the width of cavity volume, and the hot melt adhesive of sealing usefulness is filled into this glue rifle inner sealing cavity volume.All the other structures are with reference to enforcement 1 or embodiment 2.
Above-described embodiment is several preferred version of the present utility model, is not the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technological scheme that claim puts down in writing.
Claims (9)
1. a steel is moulded compound winding structure pipe, whole cylindrical, the winding structure pipe is entwined by moulding the parallel synchronous screw with steel band of pipe, mould in the setting limit of pipe and be provided with the steel band cavity volume, steel band is in this cavity volume, mould to mould between the pipe after the pipe spiral twines and connect by hot melt adhesive, steel band is closed shape with inner side edge and the outer side of moulding after the pipe spiral twines.
2. steel according to claim 1 is moulded compound winding structure pipe, it is characterized in that moulding pipe and comprises two continuous plastic tubes, and each bar plastic tube inside is provided with cavity, and the cavity volume of steel band is in the connection part place between two plastic tubes.
3. steel according to claim 2 is moulded compound winding structure pipe, it is characterized in that the linkage section by homogeneity is connected between two plastic tubes, and linkage section is in the lateral location of plastic tube, and this side is to mould to be in inboard side after the pipe spiral twines.
4. steel according to claim 3 is moulded compound winding structure pipe, it is characterized in that the plastic tube of linkage section and both sides formed the cavity volume of steel band, and after steel band penetrated into this cavity volume, another side of two plastic tubes connected by the hot melt adhesive sealing.
5. mould compound winding structure pipe according to claim 2 or 3 or 4 described steel, it is characterized in that hot melt adhesive connects adjacent plastic tube after, upper surface and the lower surface of moulding pipe all keep smooth; Mould pipe and twine the adjacent pipe of moulding of back hot melt adhesive filling, internal surface and outer surface that steel is moulded compound winding structure pipe all keep smooth.
6. steel according to claim 5 is moulded compound winding structure pipe, it is characterized in that the position that connects with hot melt adhesive between the adjacent plastic tube is provided with the glue chamber, and the width in glue chamber is greater than the width of the cavity volume between two plastic tubes, and hot melt adhesive is filled in this glue chamber.
7. mould compound winding structure pipe according to claim 1 or 2 or 3 or 4 described steel, it is characterized in that steel band is the flat rubber belting of the rectangular shape in cross section, ribbon spiral is that vertical spiral twines when twining, and the length direction in steel band cross section is in the radial direction of winding structure pipe.
8. mould compound winding structure pipe according to claim 1 or 2 or 3 or 4 described steel, it is characterized in that the cross section of steel band takes the shape of the letter U, when ribbon spiral twined, the U-shaped opening of steel band was towards the inner side edge of spiral.
9. steel according to claim 8 is moulded compound winding structure pipe, it is characterized in that the opening of steel band U-shaped is bent with supporting foot to the U-shaped center line, leaves the gap between two supporting foots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320191360 CN203223655U (en) | 2013-04-17 | 2013-04-17 | Steel-plastic composite winding structure wall pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320191360 CN203223655U (en) | 2013-04-17 | 2013-04-17 | Steel-plastic composite winding structure wall pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203223655U true CN203223655U (en) | 2013-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320191360 Expired - Lifetime CN203223655U (en) | 2013-04-17 | 2013-04-17 | Steel-plastic composite winding structure wall pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN203223655U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247035A (en) * | 2016-07-27 | 2016-12-21 | 上海瑞皇管业科技有限公司 | Double-deck eyelid covering winding steel multiple tube and combination process |
| CN107842652A (en) * | 2016-09-19 | 2018-03-27 | 河北环水塑胶管业有限公司 | Two flat walls plastic-steel spirally-wound pipe |
-
2013
- 2013-04-17 CN CN 201320191360 patent/CN203223655U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247035A (en) * | 2016-07-27 | 2016-12-21 | 上海瑞皇管业科技有限公司 | Double-deck eyelid covering winding steel multiple tube and combination process |
| CN107842652A (en) * | 2016-09-19 | 2018-03-27 | 河北环水塑胶管业有限公司 | Two flat walls plastic-steel spirally-wound pipe |
| CN107842652B (en) * | 2016-09-19 | 2023-05-30 | 河北环水塑胶管业有限公司 | Double-flat-wall plastic steel winding pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU TANKE MACHINERY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HE JUN Effective date: 20141023 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 311400 HANGZHOU, ZHEJIANG PROVINCE TO: 311402 HANGZHOU, ZHEJIANG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20141023 Address after: Silver Lake Street Golf Road Fuyang city Hangzhou city Zhejiang province 311402 No. 168 Patentee after: HANGZHOU TANKE MACHINERY TECHNOLOGY Co.,Ltd. Address before: 311400 No. 279, Guihua West Road, Fuyang, Zhejiang 2-406, Hangzhou Patentee before: He Jun |
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| CX01 | Expiry of patent term |
Granted publication date: 20131002 |
|
| CX01 | Expiry of patent term |