CN218843282U

CN218843282U - Polygonal wall sewage pipe

Info

Publication number: CN218843282U
Application number: CN202223410709.8U
Authority: CN
Inventors: 魏愈尚
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-04-11
Anticipated expiration: 2032-12-16

Abstract

The blow-off pipe with the polygonal structure wall comprises an inner layer pipe body and an outer layer pipe body arranged on the outer surface of the inner layer pipe body, wherein the outer layer pipe body is composed of wave crests and wave troughs which are sequentially and alternately arranged along the axial direction, a first hollow cavity which surrounds the periphery of the inner layer pipe body and corresponds to the peripheral shape of the wave crests is formed between the wave crests and the inner layer pipe body, axial convex ribs are arranged on the wave troughs and connected with the wave crests, the outer layer pipe body at the axial convex ribs is in an arched shape relative to the inner layer pipe body, and an exhaust passage communicated with the first hollow cavity is formed between the axial convex ribs and the inner layer pipe body. The utility model discloses an exhaust passage lets can communicate the exhaust between a plurality of first cavity cavitys, and when extrusion fuse between outer body and inlayer body, discharge in the exhaust passage also can assemble not in time exhaust air moreover, avoids the production of air pocket in the blow off pipe, avoids influencing the ring rigidity of blow off pipe to reach the purpose that has improved blow off pipe life.

Description

Polygonal wall sewage pipe

Technical Field

The utility model relates to the technical field of tubular product, concretely relates to polygonized structure wall blow off pipe.

Background

The double-wall corrugated pipe is a novel corrugated pipe with an outer wall of an annular structure and a smooth inner wall, the outer wall of the double-wall corrugated pipe is of an annular corrugated structure, and the annular rigidity of the pipe is greatly enhanced, so that the resistance of the pipe to soil load is enhanced.

The conventional double-wall corrugated pipe generally comprises an inner-layer pipe body which is in a circular pipe shape and extends along the axial direction, and an outer-layer pipe body which is sleeved on the outer surface of the inner-layer pipe body in a welding mode, wherein the outer-layer pipe body consists of wave crests and wave troughs which are sequentially and alternately arranged along the axial direction, a first hollow cavity which surrounds the periphery of the inner-layer pipe body and corresponds to the peripheral shape of the wave crests is formed between the wave crests and the inner-layer pipe body, and the first hollow cavity is shown in a polygonal high-resistance structural pipe disclosed in a Chinese patent document with the publication number of CN217653393U or a PVC-M double-wall corrugated pipe disclosed in a Chinese patent document with the publication number of CN 216896208U.

In the existing double-wall corrugated pipe manufacturing process, air exists between the outer layer pipe body and the inner layer pipe body, the air is in the process of mutual welding between the outer layer pipe body and the inner layer pipe body, most of the air is discharged from gaps which are not fused between the outer layer pipe body and the inner layer pipe body, and a part of air is left in the hollow structure.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a polygonal structure wall blow-off pipe.

The utility model provides a technical scheme that its technical problem adopted is:

polygon structure wall blow off pipe, including being the outer body on the inner pipe body that the tubulose just extends the setting along axial direction and locating the inner pipe body surface, outer body comprises crest and trough that set up in proper order in turn along axial direction, form between crest and the inner pipe body and encircle inner pipe body periphery and with the corresponding first cavity of the peripheral shape of crest, the radial cross section of crest is multilateral shape, its characterized in that: the wave trough is provided with axial convex ribs, the axial convex ribs are connected with wave crests, the outer-layer tube body at the axial convex ribs is arched relative to the inner-layer tube body, the axial convex ribs are smaller than the wave crest cavity, an exhaust passage communicated with the first hollow cavity is formed between the axial convex ribs and the inner-layer tube body, and the exhaust passage is used for exhausting.

The utility model discloses in, the crest comprises annular outer wall and two radial lateral walls of locating respectively on the annular outer wall both ends.

The utility model discloses in, the radial cross-section of annular outer wall is the polygon, the circumference outside of annular outer wall is straight flange and corresponds the convex arc limit of polygon bight.

In the utility model, the radial side walls are both inclined annular walls and straight annular walls, the inclined annular walls are horn-shaped as a whole, the inner ring of the inclined annular walls is connected with the wave trough, and the outer ring of the inclined annular walls is connected with the inner ring of the straight annular walls; and the outer ring of the straight annular wall is connected with the annular outer wall.

The utility model discloses in, still be provided with the circumference fin on the trough, the circumference fin encircles the setting of inlayer body periphery.

The utility model discloses in, the one end and the crest of axial fin are connected, and the other end is connected with circumference fin, form the second cavity with exhaust passage intercommunication between circumference fin and the inlayer body.

The utility model discloses in, be equipped with first rib on the crest top, first rib is the inside sunken indent structure of outer body radial direction in edge.

The utility model discloses in, be equipped with two second rib on the crest top, the second rib is the inside sunken indent structure along the radial direction of outer body.

The utility model discloses in, first rib and second rib all locate on the annular outer wall, first rib is located between two second ribs.

In the present invention, the cross section of the concave structure is U-shaped or semicircular.

The utility model has the advantages that: the utility model discloses be equipped with the axial fin on the trough of outer body earlier, form the exhaust passage of the first cavity of intercommunication between this axial fin and the inlayer body, adopt exhaust passage to let and communicate the exhaust between a plurality of first cavities, and when extrusion fuse between outer body and inlayer body, discharge in the exhaust passage also can assemble to the air of not in time discharging, avoid the production in air pocket in the blow off pipe, avoid influencing the ring rigidity of blow off pipe, thereby reach the purpose that has improved blow off pipe life.

Drawings

The invention will be further explained with reference to the drawings and the embodiments below:

FIG. 1 is a perspective view of the present embodiment;

FIG. 2 is a front view of the present embodiment;

FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;

FIG. 4 is an enlarged view of I in FIG. 3;

fig. 5 is a cross-sectional view of B-B in fig. 2.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention will be combined below to clearly and completely describe the technical solution in the embodiments of the present invention.

Referring to fig. 1-5, the sewage pipe with the polygonal structure wall comprises an inner pipe body 1 which is in a circular pipe shape and extends along the axial direction, and an outer pipe body arranged on the outer surface of the inner pipe body 1, wherein the outer pipe body comprises a wave crest 2 and a wave trough 3 which are sequentially and alternately arranged along the axial direction, a first hollow cavity 4 which surrounds the periphery of the inner pipe body 1 and corresponds to the peripheral shape of the wave crest 2 is formed between the wave crest 2 and the inner pipe body 1, and the radial cross section of the wave crest 2 is in a polygonal shape. Be equipped with axial fin 5 on the trough 3, axial fin 5 extends the setting along the axial of outer body, axial fin 5 is connected with crest 2, the relative inlayer body 1 of outer body of axial fin 5 department is the hunch-up form, axial fin 5 highly is less than the height in crest 2 chamber, form the exhaust passage 6 of the first cavity 4 of intercommunication between axial fin 5 and the inlayer body 1, exhaust passage is used for exhausting.

In this embodiment, the peak 2 is composed of an annular outer wall 21 and two radial side walls 22 respectively disposed at two ends of the annular outer wall 21, a radial cross section of the annular outer wall 21 is a polygon, and a circumferential outer portion of the annular outer wall 21 is a straight edge 211 and a convex arc edge 212 corresponding to a corner of the polygon. In this embodiment, the polygon is preferably hexagonal, i.e. each of the straight sides 211 and the convex arc sides 212 is six.

In this embodiment, each of the radial sidewalls 22 is composed of an inclined annular wall 221 and a straight annular wall 222, the inclined annular wall 221 is in a trumpet shape as a whole, an inner ring of the inclined annular wall 221 is connected with the wave trough 3, and an outer ring of the inclined annular wall is connected with an inner ring of the straight annular wall 222; the outer ring of the straight annular wall 222 is connected with the annular outer wall 21, and the borne external pressure can be uniformly released through the structure, so that the external pressure borne by the sewage discharge pipe in a certain diameter deformation is larger.

As a preferred embodiment, still be provided with circumference fin 7 on the trough 3, circumference fin 7 encircles the periphery of inlayer body 1 and sets up, the outer body of circumference fin 7 department is the hunch-up form for inlayer body 1, the height of circumference fin 7 is less than the height of crest, the height of circumference fin 7 is greater than the height of axial fin 5, the one end of axial fin 5 is connected with the slope rampart 221 of crest, and the other end is connected with circumference fin 7, form the second cavity 10 with exhaust passage 6 intercommunication between circumference fin 7 and the inlayer body 1, circumference fin 7 is used for strengthening the ring rigidity of blow off pipe.

As a preferred embodiment, a first reinforcing portion 8 and two second reinforcing portions 9 are arranged on the top of the wave crest 2, the first reinforcing portion 8 and the second reinforcing portion 9 are both concave structures which are concave inwards along the radial direction of the outer-layer tube body, the first reinforcing portion 8 and the second reinforcing portion 9 are both arranged on the annular outer wall 21, the first reinforcing portion 8 is located between the two second reinforcing portions 9, the cross section of each concave structure is U-shaped or semicircular, and the first reinforcing portion 8 and the second reinforcing portion 9 are both used for further improving the overall ring stiffness of the tube. In addition, in the present embodiment, the recess depth H1 of the first reinforcing portion 8 is greater than the recess depth H2 of the second reinforcing portion 9, and the width of the first reinforcing portion 8 is greater than the width of the second reinforcing portion 9.

The above description is only the preferred embodiment of the present invention, and the technical solutions of the objects of the present invention are all within the protection scope of the present invention as long as the objects are achieved by the substantially same means.

Claims

1. Polygonal structure wall blow off pipe, including being the inner tube body (1) that the tubulose and set up along axial direction extension and locating the outer body on inner tube body (1) surface, outer body comprises crest (2) and trough (3) that set up in proper order in turn along axial direction, form between crest (2) and inner tube body (1) and encircle inner tube body (1) periphery and with first cavity (4) that the peripheral shape of crest (2) is corresponding, the radial cross-section of crest (2) is multilateral shape, its characterized in that: be equipped with axial fin (5) on trough (3), axial fin (5) are connected with crest (2), the outer body of axial fin (5) department is the hunch-up form relative inlayer body (1), the height in crest (2) chamber highly is less than of axial fin (5), form exhaust passage (6) of the first cavity of intercommunication (4) between axial fin (5) and inlayer body (1), exhaust passage is used for exhausting.

2. The polygonal-structured wall sewage pipe of claim 1, wherein: the wave crest (2) is composed of an annular outer wall (21) and two radial side walls (22) which are respectively arranged at two ends of the annular outer wall (21).

3. A polygonal-structured wall sewer according to claim 2 wherein: the radial cross section of the annular outer wall (21) is polygonal, and the circumferential outer part of the annular outer wall (21) is a straight edge (211) and a convex arc edge (212) corresponding to the corner of the polygon.

4. A polygonal-structured wall sewer according to claim 2 wherein: the radial side wall (22) is formed by an inclined annular wall (221) and a straight annular wall (222), the inclined annular wall (221) is in a horn shape as a whole, the inner ring of the inclined annular wall (221) is connected with the wave trough (3), and the outer ring of the inclined annular wall is connected with the inner ring of the straight annular wall (222); the outer ring of the straight annular wall (222) is connected with the annular outer wall (21).

5. A polygonal-structured wall sewer according to claim 1 wherein: still be provided with circumference fin (7) on trough (3), circumference fin (7) encircle inlayer body (1) periphery and set up.

6. A polygonal-structured wall sewer according to claim 5 wherein: one end of the axial convex rib (5) is connected with the wave crest, the other end of the axial convex rib is connected with the circumferential convex rib (7), and a second hollow cavity communicated with the exhaust passage (6) is formed between the circumferential convex rib (7) and the inner-layer pipe body (1).

7. A polygonal-structured wall sewer according to claim 2 wherein: be equipped with first rib (8) on crest (2) top, first rib (8) are along the inside sunken indent structure of outer body radial direction.

8. A polygonal-structured wall sewer according to claim 7 wherein: the top of the wave crest (2) is provided with two second reinforced parts (9), and the second reinforced parts (9) are of inwards-concave structures along the radial direction of the outer-layer pipe body.

9. The polygonal wall sewage pipe of claim 8, wherein: the first reinforcing portion (8) and the second reinforcing portion (9) are arranged on the annular outer wall (21), and the first reinforcing portion (8) is located between the two second reinforcing portions (9).

10. A polygonal-structured wall sewer according to claim 7 or 8 wherein: the section of the concave structure is U-shaped or semicircular.