CN210661729U - HDPE double-wall corrugated pipe - Google Patents

Abstract

The utility model discloses a HDPE double-walled bellows relates to tubular product field of making, including the bellows body, the cladding is established to the trough outer peripheral face cover of bellows body has the anchor ring, and the anchor ring extends the one end surface at bellows body crest and has seted up a plurality of perforation, and the perforation of every anchor ring all extends along the axis direction of bellows body, and the strengthening rib runs through in the perforation that corresponds on every anchor ring, and the caulking groove A that the symmetry set up is seted up to fenestrate global both sides, and caulking groove A corresponds the outer peripheral face position of strengthening rib and has seted up caulking groove B, and caulking groove A and caulking groove B are hemispherical and two liang of ball chambeies that form and supply the embedding of rubber ball. This application forms the annular region that supplies the bellows body to surround the holding through a plurality of strengthening ribs to the axial atress intensity of bellows body has been improved, thereby prolongs the life of bellows body greatly, and the rubber ball receives the extrusion that shakes and produces deformation and play buffering effect, thereby reduces the amplitude that the bellows body received, improves the protection effect.

Description

HDPE double-wall corrugated pipe

Technical Field

The utility model relates to a tubular product field of making specifically is a HDPE double-walled bellows.

Background

HDPE double-wall corrugated pipe, PE corrugated pipe for short, was first developed in Germany in the early 80 s. After more than ten years of hair

Development and perfection, and the development from a single variety to a complete product series is already realized. The production process and the use technology are well mature. 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. In recent years, with the continuous development of domestic infrastructure and the continuous improvement of the technical requirements of pipeline construction, the HDPE double-wall corrugated pipe is widely applied, and is widely favored due to the characteristics of light weight, high pressure resistance, good toughness and construction blocks.

However, in the using process, the HDPE double-wall corrugated pipe is impacted due to uneven sinking and floating of soil, and once the impact resistance of the HDPE double-wall corrugated pipe is exceeded, the HDPE double-wall corrugated pipe is damaged to a certain extent, and the service life of the HDPE double-wall corrugated pipe is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a HDPE double-walled bellows to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an HDPE double-wall corrugated pipe comprises a corrugated pipe body, wherein the corrugated pipe body is provided with a continuous wavy structure which is formed by connecting wave crests and wave troughs end to end, the outer peripheral surface of the wave trough of the corrugated pipe body is sleeved with a reinforcing ring, the inner ring of the reinforcing ring is abutted against the outer peripheral surface of the wave trough of the corrugated pipe body, the outer ring of the reinforcing ring is raised and is higher than the wave crest of the corrugated pipe body, the surface of one end of the reinforcing ring, which extends out of the wave crest of the corrugated pipe body, is provided with a plurality of through holes which are annularly and equidistantly arranged at the center of the reinforcing ring, the through hole of each reinforcing ring extends along the axial direction of the corrugated pipe body, the reinforcing rib penetrates through the corresponding through hole on each reinforcing ring, namely, a plurality of reinforcing ribs which are arranged at equal intervals are arranged in the circumferential direction of the reinforcing ring, and the plurality of reinforcing ribs form an annular area for the corrugated pipe body to surround and contain.

As a further aspect of the present invention: the perforated circumferential surface two sides are provided with symmetrically arranged caulking grooves A, and the position of the caulking groove A, which corresponds to the outer circumferential surface of the reinforcing rib, is provided with a caulking groove B.

As a further aspect of the present invention: the caulking groove A and the caulking groove B are hemispherical and form a ball cavity for embedding the rubber ball in two pairs.

As a further aspect of the present invention: annular seal grooves are formed in the circumferential surfaces of the two ends of the through holes, seal rings are embedded in the seal grooves, and the seal rings are fixedly connected with the corresponding surfaces of the reinforcing ribs.

As a further aspect of the present invention: an HDPE interlayer is arranged in the corrugated pipe body.

Compared with the prior art, the beneficial effects of the utility model are that:

the corrugated pipe body is provided with the annular area which is surrounded and contained by the corrugated pipe body through the plurality of reinforcing ribs, so that the axial stress strength of the corrugated pipe body is improved, and the service life of the corrugated pipe body is greatly prolonged; when the corrugated pipe body is impacted, the reinforcing ribs firstly play a role in blocking and protecting the corrugated pipe body, then the reinforcing ribs and the reinforcing ring vibrate, the rubber balls are positioned between the reinforcing ribs and the through holes, the reinforcing ribs can be prevented from being directly contacted with the through holes, and the rubber balls deform due to vibration and extrusion to play a role in buffering, so that the amplitude of the corrugated pipe body is reduced, and the protection effect is improved; the HDPE intermediate layer that sets up has increased the inside bearing capacity of bellows body, has further reduced owing to receive external pressure to lead to pipeline inner structure to warp, increase of service life.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a part of the structure of the present invention.

Figure 3 is a schematic view of the location of the HDPE interlayer of the present invention.

As shown in the figure: the corrugated pipe comprises a corrugated pipe body 1, a reinforcing ring 2, reinforcing ribs 3, an HDPE interlayer 4, a through hole 5, a sealing groove 6, a sealing ring 7, a rubber ball 8, a caulking groove A9 and a caulking groove B10.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1 to 3, in an embodiment of the present invention, an HDPE double-wall corrugated pipe includes a corrugated pipe body 1, a reinforcing ring 2, a reinforcing rib 3, an HDPE interlayer 4, a through hole 5, a sealing groove 6, a sealing ring 7, a rubber ball 8, a caulking groove a9, and a caulking groove B10, where the corrugated pipe body 1 has a continuous wave structure, the continuous wave structure is formed by connecting a wave crest and a wave trough end to end, the outer circumferential surface of the wave trough of the corrugated pipe body 1 is sleeved with the reinforcing ring 2, the inner ring of the reinforcing ring 2 abuts against the outer circumferential surface of the wave trough of the corrugated pipe body 1, and the outer ring of the reinforcing ring 2 is raised and higher than the wave crest of the corrugated pipe body 1, it should be noted that, in order to save the production cost, the reinforcing ring 2 does not need to be disposed at each wave trough of the corrugated pipe body 1, and can be disposed at intervals, so that the overall weight of the corrugated pipe body 1 can, so as to be convenient for carrying and installation.

Further, a plurality of perforation 5 have been seted up on the one end surface that reinforcing ring 2 extends the 1 crest of bellows body, a plurality of perforation 5 are arranged with the centre of a circle annular equidistance of reinforcing ring 2, and the perforation 5 of every reinforcing ring 2 all extends along bellows body 1's axis direction, strengthening rib 3 runs through in the perforation 5 that corresponds on every reinforcing ring 2, be promptly at the strengthening rib 3 that a plurality of equidistance of the circumference of reinforcing ring 2 were arranged, a plurality of strengthening ribs 3 form the annular region that supplies bellows body 1 to surround the holding, thereby the axial stress intensity of bellows body 1 has been improved, thereby prolong the life of bellows body 1 greatly.

Further, caulking groove A9 that the symmetry set up is seted up to perforation 5 global both sides, and caulking groove A9 corresponds the outer peripheral face position of strengthening rib 3 and has seted up caulking groove B10, and caulking groove A9 and caulking groove B10 are hemispherical and two liang of ball chambeies that supply the embedding of rubber ball 8, when bellows body 1 receives the striking, strengthening rib 3 at first plays the separation protection effect to bellows body 1, then strengthening rib 3 can and reinforcing ring 2 between produce the vibration, rubber ball 8 is in strengthening rib 3 and can avoid strengthening rib 3 direct and perforation 5 to contact between 5 this moment, rubber ball 8 receives the extrusion that shakes and produces deformation and play the cushioning effect, thereby reduce the amplitude that bellows body 1 received, improve the protection effect.

Further, annular seal groove 6 has all been seted up globally at the both ends of perforation 5, and seal groove 6 is embedded to be equipped with sealing washer 7, the corresponding surface of sealing washer 7 fixed connection strengthening rib 3 to can avoid rivers to advance to influence the life-span of rubber ball 8 in perforation 5, help keeping long-term protection effect.

An HDPE interlayer 4 is arranged in the corrugated pipe body 1, so that the pressure bearing capacity inside the corrugated pipe body 1 is increased, deformation of the inner structure of the pipeline caused by external pressure is further reduced, and the service life is prolonged.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (5)

1. The HDPE double-wall corrugated pipe comprises a corrugated pipe body (1), wherein the corrugated pipe body (1) is provided with a continuous wavy structure formed by connecting wave crests and wave troughs end to end, and is characterized in that the wave troughs of the corrugated pipe body (1) are sleeved with reinforcing rings (2), inner rings of the reinforcing rings (2) are abutted against the outer peripheries of the wave troughs of the corrugated pipe body (1), outer rings of the reinforcing rings (2) are raised and are higher than the wave crests of the corrugated pipe body (1), one end surfaces of the reinforcing rings (2) extending out of the wave crests of the corrugated pipe body (1) are provided with a plurality of through holes (5), the through holes (5) are annularly and equidistantly arranged in the circle centers of the reinforcing rings (2), the through holes (5) of each reinforcing ring (2) extend along the axial direction of the corrugated pipe body (1), and reinforcing ribs (3) penetrate through the corresponding through holes (5) on each reinforcing ring (2), namely, a plurality of reinforcing ribs (3) are arranged in the circumferential direction of the reinforcing ring (2) at equal intervals, and the plurality of reinforcing ribs (3) form an annular area for the corrugated pipe body (1) to surround and contain.

2. The HDPE double-wall corrugated pipe as claimed in claim 1, wherein the two sides of the circumferential surface of the through hole (5) are provided with symmetrically arranged caulking grooves A (9), and the positions of the caulking grooves A (9) corresponding to the circumferential surface of the reinforcing rib (3) are provided with caulking grooves B (10).

3. HDPE double-walled corrugated pipe according to claim 2, characterized in that the caulking groove A (9) and the caulking groove B (10) are hemispherical and form a ball cavity for embedding the rubber ball (8) in two pairs.

4. The HDPE double-wall corrugated pipe according to claim 1, wherein the circumferential surfaces of the two ends of the through hole (5) are respectively provided with an annular sealing groove (6), a sealing ring (7) is embedded in the sealing groove (6), and the sealing ring (7) is fixedly connected with the corresponding surface of the reinforcing rib (3).

5. HDPE double wall corrugated pipe according to claim 1, characterized in that a HDPE interlayer (4) is arranged inside the corrugated pipe body (1).

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