CN220623046U - Steel band reinforcing HDPE helical bellows for buried drainage - Google Patents

Abstract

The utility model belongs to the technical field of municipal pipelines, and particularly relates to a steel belt reinforced HDPE spiral corrugated pipe for buried drainage, which comprises a corrugated pipe, wherein spiral steel belts are integrally and fixedly arranged on the outer wall of the corrugated pipe, inner inflatable bags for preventing pipelines from being blocked are integrally and fixedly arranged on the inner walls of two ends of the corrugated pipe, a gas release pipe for controlling the gas volume inside the inner inflatable bags is fixedly arranged at two ends of the outer wall of the corrugated pipe, a valve pipe for controlling the dredging of the gas release pipe is movably connected to the tail end of the gas release pipe, a pipe plug is movably arranged inside the tail end of the gas release pipe, one end of the valve pipe is movably sleeved on the outer surface of the gas release pipe and is simultaneously arranged inside an outer expansion pipe, and a ring connecting pipe is arranged at the joint between two adjacent corrugated pipes. The utility model can give the obstruction to flow by releasing the local space in the pipe, reduce the resistance of the obstruction to flow, be beneficial to effectively removing the obstruction and facilitate the dredging work of the pipeline.

Description

Steel band reinforcing HDPE helical bellows for buried drainage

Technical Field

The utility model belongs to the technical field of municipal pipelines, and particularly relates to a steel belt reinforced HDPE helical corrugated pipe for buried drainage.

Background

The inner rib reinforced polyethylene spiral corrugated pipe is an all-plastic inner rib reinforced winding pipe which is newly developed in the market at present; the pipe takes high-density polyethylene (HDPE) as a raw material, and has large external surface area, so that the pipe soil is formed and the pipe soil is resistant to compression; the welding effect is good, and the tensile strength of the seam is enhanced; the inner rib structure is beneficial to improving the stability of the ring rigidity.

Problems of the prior art:

in the existing HDPE helical bellows products, if a blockage occurs during use, the blockage usually directly fills part of the pipeline to cause the blockage, however, when the blockage occurs, the blockage is very troublesome and difficult to clean, wherein when the blockage is cleaned, the part of the pipeline filled with the blockage has no extra space for the blockage to move, so that strong friction is generated between the part of the pipeline and the inner wall of the pipeline to prevent the blockage from cleaning, and therefore, the helical bellows which is convenient for solving the blockage problem of the pipeline is continued.

Disclosure of Invention

The utility model aims to provide a steel band reinforced HDPE helical corrugated pipe for buried drainage, which can give a plug to flow in a mode of releasing a local space in the pipe, reduce the flow resistance of the plug, be beneficial to effectively removing the plug and facilitate the dredging work of a pipeline.

The technical scheme adopted by the utility model is as follows:

the steel belt reinforced HDPE spiral corrugated pipe for buried drainage comprises a corrugated pipe, wherein a spiral steel belt is fixedly arranged on the outer wall of the corrugated pipe in an integral mode, an inner inflatable bag used for preventing a pipeline from being blocked is fixedly arranged on the inner walls of the two ends of the corrugated pipe in an integral mode, a gas release pipe used for controlling the gas volume inside the inner inflatable bag is fixedly arranged at the two ends of the outer wall of the corrugated pipe, and a valve pipe used for controlling dredging of the gas release pipe is movably connected to the tail end of the gas release pipe;

a pipe plug is movably arranged in the tail end of the air release pipe, an outer expanding pipe is integrally arranged on the outer wall of the air release pipe, and an outer thread end is arranged on the outer wall of the tail end of the air release pipe;

one end of the valve pipe is movably sleeved on the outer surface of the air release pipe and is simultaneously arranged in the outer expansion pipe, an inner wall of one end of the valve pipe is provided with an inner threaded end with an outer threaded end in threaded connection, a mandril for propping up a movable pipe plug is fixedly arranged in the center of the valve pipe, the top of the valve pipe is fixedly connected with an outer protective cap through struts arranged in an array manner, and the inner diameter size of the outer protective cap is larger than the outer diameter size of the valve pipe;

and a connecting pipe is arranged at the joint between two adjacent corrugated pipes.

The outer part of the ring connecting pipe is provided with an outer ring body, the inner part of the ring connecting pipe is provided with an inner ring body, and the outer ring body and the inner ring body are of an integrated structure.

The two sides of the annular connecting pipe are provided with inscription grooves for the corrugated pipe to be inserted, and the two sides of the inner annular body are provided with chamfer angles.

The inside of bleed pipe is fixed and is provided with the fretwork frame, just the inside of bleed pipe is located and installs spring one between fretwork frame and the pipe plug.

The second spring is arranged in the outer expanding pipe and positioned at one end of the valve pipe, and the valve pipe is in clearance fit with the outer expanding pipe.

The top array of valve pipe runs through and has seted up the through-hole.

The utility model has the technical effects that:

according to the utility model, the air release pipe is dredged by pressing the valve pipe, and then, the sprayed inner inflatable bag occupies a certain amount of space in the pipeline, and meanwhile, due to extrusion of the obstruction, gas in the inner inflatable bag is extruded and discharged outside the pipeline, the inner inflatable bag is also shrunken, at the moment, the space in the corrugated pipe is released, and through the process, when the corrugated pipe is blocked, the obstruction is given to flow in a mode of releasing the local space in the pipe, so that the resistance of the flow of the obstruction is reduced, the obstruction is effectively removed, and the pipeline dredging work is facilitated.

According to the utility model, the arrangement of the annular connecting pipe improves the stability and the tightness of the connecting position of the adjacent corrugated pipes, so that the damage and the leakage of the connecting position of the two corrugated pipes can be avoided, the structural strength of the connecting position can be improved, and the annular connecting pipe is more suitable for high-pressure land.

Drawings

FIG. 1 is a schematic illustration of the connection of a bellows provided by an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;

FIG. 3 is a cross-sectional plan view of a bellows provided by an embodiment of the present utility model;

fig. 4 is a partially enlarged schematic view at B in fig. 3.

In the drawings, the list of components represented by the various numbers is as follows:

1. a bellows; 101. spiral steel strip; 102. an inner inflatable bladder; 2. a loop pipe; 201. an outer ring body; 202. an inner ring body; 203. an inscription groove; 3. a gas release pipe; 301. a hollowed-out frame; 302. a pipe plug; 303. a first spring; 304. an outer expanding pipe; 305. a second spring; 4. a valve tube; 401. a push rod; 402. a through hole; 403. a support rod; 404. an outer protective cap; 405. an internally threaded end.

Detailed Description

The present utility model will be specifically described with reference to examples below in order to make the objects and advantages of the present utility model more apparent. It should be understood that the following text is intended to describe only one or more specific embodiments of the utility model and does not limit the scope of the utility model strictly as claimed.

As shown in fig. 1-4, the buried drain steel belt reinforced HDPE spiral corrugated pipe comprises a corrugated pipe 1, and a spiral steel belt 101 is integrally and fixedly arranged on the outer wall of the corrugated pipe 1.

Referring to fig. 3 and 4, inner walls at two ends of the corrugated pipe 1 are integrally and fixedly provided with an inner inflatable bag 102 for preventing a pipeline from being blocked, two ends of the outer wall of the corrugated pipe 1 are fixedly provided with a gas release pipe 3 for controlling the gas volume in the inner inflatable bag 102, and the tail end of the gas release pipe 3 is movably connected with a valve pipe 4 for controlling the dredging of the gas release pipe 3; the inside movable mounting of end of gas release pipe 3 has pipe plug 302, and the inside of gas release pipe 3 is fixed to be provided with fretwork frame 301, and the inside spring one 303 that is located between fretwork frame 301 and the pipe plug 302 of gas release pipe 3, and the outer wall integral type of gas release pipe 3 is provided with outer expanding pipe 304, and the terminal outer wall of gas release pipe 3 is provided with the external screw thread end.

Referring to fig. 3 and 4, one end of the valve tube 4 is movably sleeved on the outer surface of the air release tube 3 and is simultaneously arranged in the outer expansion tube 304, a second spring 305 is installed in the outer expansion tube 304 and is positioned at one end of the valve tube 4, an inner threaded end 405 with an external threaded end in threaded connection is arranged on the inner wall of one end of the valve tube 4, and clearance fit is formed between the valve tube 4 and the outer expansion tube 304.

Referring to fig. 3 and 4, a mandrel 401 for pushing the plug 302 is fixedly arranged in the center of the valve tube 4, a through hole 402 is formed in the top of the valve tube 4 in an array manner, an outer protective cap 404 is fixedly connected to the top of the valve tube 4 through struts 403 arranged in an array manner, and the inner diameter of the outer protective cap 404 is larger than the outer diameter of the valve tube 4.

According to the above structure, when the bellows 1 is severely blocked during use, after the blocking position is determined, the valve tube 4 is clamped and rotated by passing the long rod-shaped clamping component through the reserved passage when soil is pre-buried, the valve tube 4 and the air release tube 3 are relatively moved along with the threaded connection of the external thread end and the internal thread end 405, when the external thread end and the internal thread end 405 are staggered, the valve tube 4 is pressed into the expanding tube 304 and simultaneously presses the spring II 305, at this time, the ejector rod 401 simultaneously presses the ejector rod 401 and the air release tube 3, and then, due to the extrusion of the blocking object, the gas inside the inner air inflation bag 102 is extruded and discharged outside the pipeline, and at this time, the space inside the bellows 1 is also shrunken, through the process, the blocking object is given to flow by releasing the local space inside the bellows 1, so that the blocking object is reduced, and the blocking object is effectively removed, and the work is facilitated;

further, the restriction of the outer expansion pipe 304 prevents the movement of the valve pipe 4 from being hindered by the stone soil, and the outer cap 404 is provided to allow the gas to be discharged from the bottom edge of the outer cap 404, thereby preventing the gas discharging operation of the inner gas bag 102 from being hindered.

Referring to fig. 1 and 2, a joint between two adjacent bellows 1 is provided with a ring pipe 2, an outer ring 201 is provided outside the ring pipe 2, an inner ring 202 is provided inside the ring pipe 2, the outer ring 201 and the inner ring 202 are of an integral structure, two sides of the ring pipe 2 are provided with inner grooves 203 for inserting the bellows 1, and two sides of the inner ring 202 are provided with chamfers.

According to the above structure, when two bellows 1 are connected, two bellows 1 insert respectively the both ends of ring takeover 2, and in the one end of bellows 1 corresponds to insert inscription inslot 203, later welds between bellows 1 and the ring takeover 2, and the setting of ring takeover 2 improves the steadiness and the leakproofness of adjacent bellows 1 junction, not only can avoid the damaged leakage of junction of two bellows 1, but also can improve the structural strength of junction, more is applicable to in the soil of high pressure.

The working principle of the utility model is as follows: when the corrugated pipe 1 is severely blocked in the use process, after the blocking position is determined, the long rod-shaped clamping part passes through a channel reserved when soil is pre-buried, then the valve pipe 4 is clamped and rotated, the valve pipe 4 and the air release pipe 3 are relatively moved along with the screw connection of the external thread end and the internal thread end 405, when the external thread end and the internal thread end 405 are staggered, the valve pipe 4 is pressed into the outer expansion pipe 304 and simultaneously presses the second spring 305, at the moment, the ejector rod 401 simultaneously presses the ejector rod 401 and dredges the air release pipe 3, and then, due to the fact that the sprayed internal air inflation bag 102 occupies a certain amount of space in the pipeline, and meanwhile, due to the extrusion of the blocking object, the air in the internal air inflation bag 102 is extruded and discharged to the outside of the pipeline, the internal air inflation bag 102 is correspondingly contracted, and at the moment, the space in the corrugated pipe 1 is released, so that the blocking object is conveniently discharged;

when two bellows 1 connect, two bellows 1 insert the both ends of ring takeover 2 respectively, and in the one end of bellows 1 was corresponding inserts inscribed groove 203, later welds between bellows 1 and the ring takeover 2, and the setting of ring takeover 2 improves the steadiness and the leakproofness of adjacent bellows 1 junction.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims (6)

1. The utility model provides a steel band reinforcing HDPE helical bellows for buried drainage, includes bellows (1), its characterized in that: the device is characterized in that a spiral steel belt (101) is integrally and fixedly arranged on the outer wall of the corrugated pipe (1), an inner inflation bag (102) for preventing a pipeline from being blocked is integrally and fixedly arranged on the inner wall of the two ends of the corrugated pipe (1), a gas release pipe (3) for controlling the gas volume in the inner inflation bag (102) is fixedly arranged at the two ends of the outer wall of the corrugated pipe (1), and a valve pipe (4) for controlling the dredging of the gas release pipe (3) is movably connected at the tail end of the gas release pipe (3);

a pipe plug (302) is movably arranged in the tail end of the air release pipe (3), an outer expanding pipe (304) is integrally arranged on the outer wall of the air release pipe (3), and an outer thread end is arranged on the outer wall of the tail end of the air release pipe (3);

one end of the valve pipe (4) is movably sleeved on the outer surface of the air release pipe (3) and is simultaneously arranged in the outer expanding pipe (304), an inner threaded end (405) with an outer threaded end in threaded connection is arranged on the inner wall of one end of the valve pipe (4), a push rod (401) for pushing the pipe plug (302) is fixedly arranged in the circle center of the valve pipe (4), the top of the valve pipe (4) is fixedly connected with an outer protective cap (404) through struts (403) arranged in an array manner, and the inner diameter of the outer protective cap (404) is larger than the outer diameter of the valve pipe (4);

the joint between two adjacent corrugated pipes (1) is provided with a ring connecting pipe (2).

2. A steel strip reinforced HDPE spiral bellows for buried drainage as recited in claim 1, wherein: the outer part of the ring joint pipe (2) is provided with an outer ring body (201), the inner part of the ring joint pipe (2) is provided with an inner ring body (202), and the outer ring body (201) and the inner ring body (202) are of an integrated structure.

3. A steel strip reinforced HDPE spiral bellows for buried drainage as recited in claim 2, wherein: both sides of the ring joint pipe (2) are provided with inscription grooves (203) for inserting the corrugated pipe (1), and both sides of the inner ring body (202) are provided with chamfer angles.

4. A steel strip reinforced HDPE spiral bellows for buried drainage as recited in claim 1, wherein: the inside of bleed pipe (3) is fixed and is provided with fretwork frame (301), just inside and be located between fretwork frame (301) and pipe plug (302) of bleed pipe (3) install spring one (303).

5. A steel strip reinforced HDPE spiral bellows for buried drainage as recited in claim 1, wherein: a second spring (305) is arranged at one end, located inside the outer expanding pipe (304), of the valve pipe (4), and the valve pipe (4) and the outer expanding pipe (304) are in clearance fit.

6. A steel strip reinforced HDPE spiral bellows for buried drainage as recited in claim 1, wherein: the top of the valve tube (4) is provided with through holes (402) in an array penetrating way.