CN215763715U - Modified high-density polyethylene HDPE-m double-wall corrugated pipe - Google Patents
Modified high-density polyethylene HDPE-m double-wall corrugated pipe Download PDFInfo
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- CN215763715U CN215763715U CN202023195423.3U CN202023195423U CN215763715U CN 215763715 U CN215763715 U CN 215763715U CN 202023195423 U CN202023195423 U CN 202023195423U CN 215763715 U CN215763715 U CN 215763715U
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Abstract
The utility model discloses a modified high-density polyethylene HDPE-m double-wall corrugated pipe which comprises an inner-layer straight pipe and an outer-layer corrugated pipe, wherein a plurality of connecting rings are arranged on the outer wall of the inner-layer straight pipe, annular grooves are formed in the outer surfaces of the connecting rings, wave troughs of the outer-layer corrugated pipe are positioned in the annular grooves and are connected with the outer surfaces of the connecting rings through elastic components, a plurality of cavities are formed between the outer-layer corrugated pipe and the inner-layer straight pipe, fillers are arranged in the cavities, and a wear-resistant layer is arranged on the outer surface of the outer-layer corrugated pipe. According to the corrugated pipe, the inner layer straight pipe is provided with the plurality of connecting rings, the outer surfaces of the connecting rings are provided with the annular grooves for accommodating the wave troughs of the outer layer corrugated pipe, so that the pressure resistance of the corrugated pipe is improved, and meanwhile, the annular grooves are provided with the elastic components, so that the corrugated pipe is higher in flexibility, high in strength, long in service life and good in wear resistance.
Description
Technical Field
The utility model relates to a pipe fitting, in particular to a modified high-density polyethylene HDPE-m double-wall corrugated pipe.
Background
The double-wall corrugated pipe is a novel pipe with an outer wall with an annular structure and a smooth inner wall, and is firstly developed in Germany in the early 80 s. After more than ten years of development and improvement, the product series is developed from a single variety to a complete product series. The production process and the use technology are mature at present. Due to the excellent performance and the relatively economic cost, the method has been greatly popularized and applied in developed countries such as Europe and America.
The HDPE double-wall corrugated pipe is a novel pipe which is prepared by taking polyethylene resin as a main raw material, adding a proper amount of auxiliary agent and performing extrusion molding, and is suitable for outdoor drainage of buildings and municipal sewage. It has the advantages of light weight, small water draining resistance, high compression strength, high corrosion resistance, convenient construction, etc. and is an ideal material for replacing cast iron pipe and concrete pipe. At present, HDPE double-wall corrugated pipes are increasingly applied to related fields such as buildings, communication, agriculture and the like due to excellent performance of the HDPE double-wall corrugated pipes. The conventional HDPE double-wall corrugated pipe is poor in overall strength, easy to break due to extrusion, easy to wear after long-term use at the bulge, easy to corrode the inner wall and greatly reduced in service life.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a modified high-density polyethylene HDPE-m double-wall corrugated pipe.
The purpose of the utility model is realized by the following technical scheme: modified high density polyethylene HDPE-m double-walled bellows, including inlayer flat and straight pipe and outer bellows, be provided with a plurality of go-between on the flat and straight pipe outer wall of inlayer, the annular groove has been seted up to the go-between surface, the trough of outer bellows is in the annular groove, just the trough of outer bellows with the surface of go-between passes through elastomeric element and is connected, form a plurality of cavitys between outer bellows and the inlayer flat and straight pipe, be equipped with the filler in the cavity, outer bellows surface is provided with the wearing layer.
According to one preferred scheme, a steel wire framework is arranged between the inner layer flat pipe and the outer layer corrugated pipe and comprises a horizontal support, a plurality of V-shaped supports are arranged on the horizontal support and arranged at wave crests of the outer layer corrugated pipe, and the V-shaped supports are opened inwards.
In a preferred embodiment, the filler is asbestos or elastic fiber.
In one preferable scheme, the inner wall of the inner-layer straight pipe is provided with a corrosion-resistant layer.
In one preferable scheme, a V-shaped reinforcing beam is arranged in the pipe wall of the inner layer flat pipe.
In one preferred scheme, the wave crests of the outer-layer corrugated pipe are connected through a plurality of axially-arranged connecting ribs.
According to one preferable scheme, the inner-layer flat pipe and the outer-layer corrugated pipe are both modified high-density polyethylene pipes.
The utility model has the beneficial effects that: according to the corrugated pipe, the inner layer straight pipe is provided with the plurality of connecting rings, the outer surfaces of the connecting rings are provided with the annular grooves for accommodating the wave troughs of the outer layer corrugated pipe, so that the pressure resistance of the corrugated pipe is improved, and meanwhile, the annular grooves are provided with the elastic components, so that the corrugated pipe is higher in flexibility, high in strength, long in service life and good in wear resistance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the structure of the present invention.
In the figure, 1-inner layer flat tube, 2-outer layer corrugated tube, 3-connecting ring, 4-elastic component, 5-filler, 6-wear-resistant layer, 7-horizontal support, 8-V-shaped support, 9-corrosion-resistant layer, 10-V-shaped reinforcing beam and 11-connecting rib.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.
The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal, vertical or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
Furthermore, the terms "substantially", and the like are intended to indicate that the relative terms are not necessarily strictly required, but may have some deviation. For example: "substantially equal" does not mean absolute equality, but it is difficult to achieve absolute equality in actual production and operation, and certain deviations generally exist. Thus, in addition to absolute equality, "substantially equal" also includes the above-described case where there is some deviation. In this case, unless otherwise specified, terms such as "substantially", and the like are used in a similar manner to those described above.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the present invention provides two technical solutions:
example 1
Modified high density polyethylene HDPE-m double-walled bellows, including inlayer flat tube 1 and outer bellows 2, be provided with a plurality of go-between 3 on the 1 outer wall of inlayer flat tube, the annular groove has been seted up to the surface of go-between 3, the trough of outer bellows 2 is in the annular groove, just the trough of outer bellows 2 with the surface of go-between 3 passes through elastomeric element 4 and connects, form a plurality of cavitys between outer bellows 2 and the inlayer flat tube 1, be equipped with filler 5 in the cavity, outer bellows 2 surface is provided with wearing layer 6. According to the corrugated pipe, the inner layer flat straight pipe 1 is provided with the plurality of connecting rings 3, the outer surfaces of the connecting rings 3 are provided with the annular grooves for accommodating the wave troughs of the outer layer corrugated pipe 2, so that the pressure resistance of the corrugated pipe is improved, and meanwhile, the annular grooves are provided with the elastic parts 4, so that the corrugated pipe is higher in flexibility, high in strength, long in service life and good in wear resistance.
Preferably, the inner layer straight pipe 1 and be provided with steel wire framework between the outer bellows 2, steel wire framework includes horizontal support 7, be provided with a plurality of V types on the horizontal support 7 and support 8, just V type support 8 set up in the crest department of outer bellows 2, the V type supports 8 openings inwards. Can effectively improve the ring rigidity, the self strength of the pipeline, the impact strength and the like.
Preferably, the filler 5 is asbestos. Asbestos can effectively improve key heat insulation performance and prevent the pipe fitting from being frost crack in winter.
Preferably, the inner wall of the inner layer flat tube 1 is provided with a corrosion-resistant layer 9. The corrosion resistance of the inner wall of the inner layer flat pipe 1 is increased, so that the service life of the pipeline is prolonged.
Preferably, a V-shaped reinforcing beam 10 is arranged in the pipe wall of the inner layer flat pipe 1. The V-shaped reinforcing beam 10 can effectively enhance the strength of the inner layer flat pipe 1, so that the overall strength of the pipeline is further improved.
Preferably, the wave crests of the outer corrugated pipe 2 are connected with each other through a plurality of axially arranged connecting ribs 11. The connecting ribs 11 can enable the wave crests to form two states of pulling and being pulled, and the stability of the whole structure is guaranteed, so that the pipeline has good bending performance and high ring rigidity.
Preferably, the inner layer straight flat pipe 1 and the outer layer corrugated pipe 2 are both modified high-density polyethylene pipes in example 2
Modified high density polyethylene HDPE-m double-walled bellows, including inlayer flat tube 1 and outer bellows 2, be provided with a plurality of go-between 3 on the 1 outer wall of inlayer flat tube, the annular groove has been seted up to the surface of go-between 3, the trough of outer bellows 2 is in the annular groove, just the trough of outer bellows 2 with the surface of go-between 3 passes through elastomeric element 4 and connects, form a plurality of cavitys between outer bellows 2 and the inlayer flat tube 1, be equipped with filler 5 in the cavity, outer bellows 2 surface is provided with wearing layer 6. According to the corrugated pipe, the inner layer flat straight pipe 1 is provided with the plurality of connecting rings 3, the outer surfaces of the connecting rings 3 are provided with the annular grooves for accommodating the wave troughs of the outer layer corrugated pipe 2, so that the pressure resistance of the corrugated pipe is improved, and meanwhile, the annular grooves are provided with the elastic parts 4, so that the corrugated pipe is higher in flexibility, high in strength, long in service life and good in wear resistance.
Preferably, the inner layer straight pipe 1 and be provided with steel wire framework between the outer bellows 2, steel wire framework includes horizontal support 7, be provided with a plurality of V types on the horizontal support 7 and support 8, just V type support 8 set up in the crest department of outer bellows 2, the V type supports 8 openings inwards. Can effectively improve the ring rigidity, the self strength of the pipeline, the impact strength and the like.
Preferably, the filler 5 is an elastic fiber. The elastic fiber can improve the buffer capacity of the outer-layer corrugated pipe 2, so that the pressure resistance of the pipe is further improved.
Preferably, the inner wall of the inner layer flat tube 1 is provided with a corrosion-resistant layer 9. The corrosion resistance of the inner wall of the inner layer flat pipe 1 is increased, so that the service life of the pipeline is prolonged.
Preferably, a V-shaped reinforcing beam 10 is arranged in the pipe wall of the inner layer flat pipe 1. The V-shaped reinforcing beam 10 can effectively enhance the strength of the inner layer flat pipe 1, so that the overall strength of the pipeline is further improved.
Preferably, the wave crests of the outer corrugated pipe 2 are connected with each other through a plurality of axially arranged connecting ribs 11. The connecting ribs 11 can enable the wave crests to form two states of pulling and being pulled, and the stability of the whole structure is guaranteed, so that the pipeline has good bending performance and high ring rigidity.
Preferably, the inner layer straight flat pipe 1 and the outer layer corrugated pipe 2 are both modified high-density polyethylene pipes.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the utility model is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. Modified high density polyethylene HDPE-m double-walled bellows, its characterized in that: the corrugated pipe comprises an inner-layer flat pipe and an outer-layer corrugated pipe, wherein a plurality of connecting rings are arranged on the outer wall of the inner-layer flat pipe, annular grooves are formed in the outer surfaces of the connecting rings, wave troughs of the outer-layer corrugated pipe are positioned in the annular grooves, the wave troughs of the outer-layer corrugated pipe are connected with the outer surface of the connecting rings through elastic components, a plurality of cavities are formed between the outer-layer corrugated pipe and the inner-layer flat pipe, fillers are arranged in the cavities, and a wear-resistant layer is arranged on the outer surface of the outer-layer corrugated pipe;
a steel wire framework is arranged between the inner layer flat tube and the outer layer corrugated tube and comprises a horizontal support, a plurality of V-shaped supports are arranged on the horizontal support and arranged at wave crests of the outer layer corrugated tube, and the openings of the V-shaped supports are inward;
and a V-shaped stiffening beam is arranged in the pipe wall of the inner layer flat pipe.
2. The modified high density polyethylene HDPE-m double wall corrugated pipe as claimed in claim 1, characterized in that: the filler is asbestos or elastic fiber.
3. The modified high density polyethylene HDPE-m double wall corrugated pipe as claimed in claim 1, characterized in that: and the inner wall of the inner-layer straight pipe is provided with a corrosion-resistant layer.
4. The modified high density polyethylene HDPE-m double wall corrugated pipe as claimed in claim 1, characterized in that: the wave crests of the outer-layer corrugated pipe are connected with the wave crests through a plurality of axially arranged connecting ribs.
5. The modified high density polyethylene HDPE-m double wall corrugated pipe as claimed in claim 1, characterized in that: the inner layer straight pipe and the outer layer corrugated pipe are both modified high-density polyethylene pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023195423.3U CN215763715U (en) | 2020-12-25 | 2020-12-25 | Modified high-density polyethylene HDPE-m double-wall corrugated pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023195423.3U CN215763715U (en) | 2020-12-25 | 2020-12-25 | Modified high-density polyethylene HDPE-m double-wall corrugated pipe |
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| CN215763715U true CN215763715U (en) | 2022-02-08 |
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| CN202023195423.3U Active CN215763715U (en) | 2020-12-25 | 2020-12-25 | Modified high-density polyethylene HDPE-m double-wall corrugated pipe |
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