CN214743929U - Semi-rigid concrete drainage pipeline connects auxiliary device - Google Patents

Abstract

The utility model discloses a semi-rigid's concrete drainage pipe connects auxiliary device, cooperation through bellows and rubber circle, because of geological change, environmental change leads to the soil bearing capacity to change, when the pipeline produces deformation or even displacement, the effort that pipeline axial and radial displacement produced transmits to this device department after, can effectively be consumed by semi-rigid's bellows and flexible rubber circle, show the impaired risk that has reduced pipe joint with this, effective release pipe network stress has been realized, improve and connect life, the purpose of protection underground pipe network work security.

Description

Semi-rigid concrete drainage pipeline connects auxiliary device

Technical Field

The utility model relates to a concrete drain pipe technical field especially relates to a semi-rigid's concrete drain pipe connects auxiliary device.

Background

Along with the development of cities, the environment quality is more and more emphasized, open ditch and hidden ditch type drainage modes are gradually eliminated due to certain pollution to the environment and influence on the attractiveness of the cities, and reinforced concrete drainage pipes are suitable for removing rainwater, sewage, water diversion, farmland irrigation and drainage and irrigation and other gravity flow pipelines in industrial and mining places and towns, are buried underground and do not pollute the environment, have the advantages of large external pressure bearing capacity, good durability, convenience in installation, low cost and the like, and are widely applied to drainage projects of cities, highways and the like. Concrete pipelines can be made into pressureless pipes, low-pressure pipes, prestressed pipes and the like according to different purposes, the laying modes comprise open-cut laying, trenchless top pipe laying and the like, and the safety of the pipelines depends on the quality of interfaces during laying to a great extent.

The urban pipe network is characterized by long distance, multiple pipe diameters, adaptability to multi-system rain sewage, special water, ecological water and multiple environments, large change of geological conditions and stress concentration at the joint of the pipelines. Drainage pipelines are usually laid underground, belong to hidden projects, and are difficult to detect problems; when a long-distance aqueous medium is conveyed, the pipeline is deformed or even displaced due to the shearing force of the inner wall of the pipeline, the creeping of the pipe joint and the change of the land bearing capacity caused by the change of the geological environment, natural disasters such as earthquake and the like, and the acting forces generated by the axial displacement and the radial displacement of the pipeline are concentrated at the joint part of the pipeline, so that the pipeline joint is the most easily damaged part.

Therefore, it is necessary to develop a semi-rigid auxiliary device for concrete drainage pipe joints to solve the above problems.

Disclosure of Invention

The utility model aims at solving the problem that a semi-rigid auxiliary device for the joint of the concrete drainage pipeline is designed.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a semi-rigid concrete drain pipe joint assist device comprising:

two ends; the end socket is of a ring-column structure, two sections of stepped ring grooves are formed in the first end of the end socket, the stepped ring groove close to the inner part is a first stepped ring groove, the stepped ring groove close to the first end of the end socket is a second stepped ring groove, and the diameter of the second stepped ring groove is larger than that of the first stepped ring groove;

two inner liners; the lining is formed into a ring-column structure, an annular inner convex part is formed inwards at the first end of the lining, and an annular outer convex part is formed outwards at the first end of the lining; the main body of the inner lining is embedded into the first stepped ring groove, the outer convex part of the inner lining is embedded into the second stepped ring groove,

two pipe interfaces; the pipe joint is formed into a ring-column structure, an annular outer convex part is outwards formed at the first end of the pipe joint, and the pipe joint is embedded into the inner convex part of the lining; the outer convex part of the pipe joint is embedded into the main body of the lining, and the first end surface of the outer convex part of the pipe joint is connected with one end surface of the inner convex part of the lining; the concrete drain pipe is embedded into the end head and the main body of the lining, and the end part of the concrete drain pipe is connected with the second end face of the outer protruding part of the pipe joint;

a bellows; the end of the corrugated pipe is arranged between the main body of the pipe joint and the inner convex part of the lining;

a rubber ring; the rubber ring is in a ring-column structure, the rubber ring is coated outside the corrugated pipe, two ends of the rubber ring are coated by the two linings, and first ends of the two linings are arranged oppositely; the two liners are connected by a bolt assembly.

Preferably, the liner and the pipe joint are both made of plastic materials, and the inner protruding part of the liner is connected with the pipe joint in a hot melting mode.

Furthermore, an annular gap is formed between the inner side of the bulge and the pipe joint, and the annular gap is coaxial with the end head; the two ends of the corrugated pipe are provided with pipe joints, and the pipe joints are inserted into the annular gap for installation.

Preferably, the pipe joint is made of a plastic material.

Furthermore, an annular outer protruding part is formed outwards at the first end of the end head, an axial through hole is formed in the outer protruding part of the end head, an annular outer protruding part is formed outwards on the side wall of the middle part of the rubber ring, an axial through hole is formed in the outer protruding part of the rubber ring, and the outer protruding part of the rubber ring is arranged between the first ends of the two linings; the two ends are connected after sequentially penetrating through the through hole of the first end, the through hole of the rubber ring and the through hole of the second end through the bolt assembly.

Furthermore, a plurality of sealing grooves are formed in the inner wall of the second end of the end head, and a plurality of first sealing rings are correspondingly embedded into the plurality of sealing grooves for installation.

Furthermore, a plurality of sealing grooves are formed in the side wall of the first stepped ring groove, and a plurality of second sealing rings are correspondingly embedded into the plurality of sealing grooves for installation.

Preferably, the bellows is a metal bellows.

The beneficial effects of the utility model reside in that:

the utility model relates to a semi-rigid's concrete drainage pipe connects auxiliary device, through the cooperation of bellows and rubber circle, because of geological change, environmental change leads to the soil bearing capacity to change, when the pipeline produces deformation or even displacement, the effort that pipeline axial and radial displacement produced transmits to this device department after, can effectively be consumed by semi-rigid's bellows and flexible rubber circle, show the impaired risk that has reduced pipe joint with this, effective release pipe network stress has been realized, improve and connect life, the purpose of protection underground pipe network work security.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of an end head according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a rubber ring according to an embodiment of the present invention;

fig. 4 is a sectional view of the embodiment of the present invention in use.

Reference numbers and corresponding part names in the drawings:

1-end, 2-liner, 3-inner protrusion of liner, 4-pipe interface, 5-corrugated pipe, 6-rubber ring, 601-rubber ring body, 602-outer protrusion of rubber ring, 7-bolt component, 8-first sealing ring, 9-second sealing ring, 10-annular gap, 11-pipe joint and 12-concrete drain pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as 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 accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to 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 is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", 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 are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The following describes in detail embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1 and 4, a semi-rigid concrete drain pipe joint auxiliary device includes:

two end heads 1; the end 1 is formed into a ring-column structure, two sections of stepped ring grooves are formed in the first end of the end 1, the stepped ring groove close to the inner part is a first stepped ring groove, the stepped ring groove close to the first end of the end 1 is a second stepped ring groove, and the diameter of the second stepped ring groove is larger than that of the first stepped ring groove;

two inner liners 2; the lining 2 is formed into a ring-column structure, an annular inner convex part is formed inwards at the first end of the lining 2, and an annular outer convex part is formed outwards at the first end of the lining 2; the main body of the lining 2 is embedded into the first stepped ring groove, the outer convex part of the lining 2 is embedded into the second stepped ring groove,

two tube interfaces 4; the pipe joint 4 is formed into an annular column structure, an annular outer convex part is formed outwards at the first end of the pipe joint 4, and the pipe joint 4 is embedded into the inner convex part 3 of the liner 2; the outer convex part of the pipe joint 4 is embedded into the main body of the lining 2, and the first end surface of the outer convex part of the pipe joint 4 is connected with one end surface of the inner convex part 3 of the lining 2; the concrete drain pipe 12 is embedded into the end 1 and the main body of the lining 2, and the end part of the concrete drain pipe 12 is connected with the second end surface of the outer convex part of the pipe joint 4;

a bellows 5; the end of the corrugated pipe 5 is arranged between the main body of the pipe joint 4 and the inner convex part 3 of the lining 2;

a rubber ring 6; the rubber ring 6 is in a ring-column structure, the rubber ring 6 is covered outside the corrugated pipe 5, two ends of the rubber ring are covered by the two linings 2 from the end part and the side wall direction, and the first ends of the two linings 2 are oppositely arranged; the two liners 2 are connected by a bolt assembly.

In this embodiment, the second end of the head 1 has an inside diameter that matches the outside diameter of the concrete drain pipe 12.

In this embodiment, the liner 2 has a T-shaped axial cross-section, and the pipe joint 4 has an L-shaped axial cross-section.

In this embodiment, the lining is established and can be provided better anti acid-base corrosion ability, is favorable to urban drainage pipe network to deal with the many environmental complicated in service behavior of multisystem. In addition, the pipe joint 4 is provided with an external protruding part, and can be used as an installation positioning part between the pipe joint and the concrete drain pipe so as to judge whether the end part of the concrete drain pipe is installed in place; secondly by making a simple connection to the end of the bellows possible. The bellows has semi-rigid nature, and the rubber circle of its outer cladding is flexible material, consequently this application passes through the cooperation of bellows and rubber circle, because of geological change, environmental change leads to the change of land bearing capacity, when the pipeline produces deformation even displacement, the effort that pipeline axial and radial displacement produced transmits to this device department after, can effectively be consumed by semi-rigid bellows and flexible rubber circle, thereby showing the impaired risk that has reduced the pipe connection, realized effectively releasing pipe network stress, improve joint life, the purpose of protection underground pipe network work security.

In this embodiment, the both sides of rubber circle respectively with end, inside lining contact, ensure that the rubber circle fully fills between two ends region promptly, including fully with the bellows cladding, not only be favorable to outside rainwater of separation and debris, can also guarantee that pipe network stress effectively transmits to the rubber circle and then by the release of fast consumption.

Preferably, the liner 2 and the pipe joint 4 are both made of plastic material, and the inner protrusion 3 of the liner 2 is connected with the pipe joint 4 by heat fusion.

In the embodiment, the plastic material has excellent water flow erosion resistance and acid-base corrosion resistance, the toughness of the plastic material is superior to that of a reinforced concrete material, and the stress release effect of the device on the pipe network can be further improved. In addition, the hot-melt connection between two adjacent plastic materials is also convenient to process and realize in the process.

As shown in fig. 2, an annular gap 10 is formed between the inner side of the bulge 3 and the pipe joint 4, and the annular gap 10 is coaxial with the end head 1; the corrugated pipe 5 is provided at both ends with pipe joints 11, and the pipe joints 11 are inserted into the annular gap 10 to be installed.

In this embodiment, the pipe joint 11 and the annular gap 10 may be screwed, and the screw thread is preferably provided on the outer wall of the main body of the pipe joint 4, and may also be connected by heat fusion.

Preferably, the pipe joint 11 is made of a plastic material.

As shown in fig. 1, the first end of the end head 1 is outwardly formed with an annular outward protruding portion, the outward protruding portion of the end head 1 is provided with an axial through hole, the middle side wall of the rubber ring 6 is outwardly formed with an annular outward protruding portion, the rubber ring 6 further comprises a rubber ring main body 601, the outward protruding portion 602 of the rubber ring 6 is provided with an axial through hole, and the outward protruding portion 602 of the rubber ring 6 is arranged between the first ends of the two inner liners 2; the two end heads 1 are connected after sequentially penetrating through the through hole of the first end head 1, the through hole of the rubber ring 6 and the through hole of the second end head 1 through bolt components.

In this embodiment, the compression or the extension of rubber circle all receive the bolt spacing, also can improve the structural stability of rubber circle.

In this embodiment, the unique structural design of rubber circle can improve the stability after the installation of rubber circle more, and then improves the overall stability in this device use.

As shown in fig. 2, a plurality of sealing grooves are formed in the inner wall of the second end of the end head 1, and a plurality of first sealing rings 8 are correspondingly embedded into the plurality of sealing grooves.

As shown in fig. 2, a plurality of sealing grooves are formed in the sidewall of the first stepped ring groove, and a plurality of second sealing rings 9 are inserted into the plurality of sealing grooves.

The first sealing ring 8 and the second sealing ring 9 are arranged to avoid the fluid from leaking out of the concrete drainage pipeline.

Preferably, the bellows 5 is a metal bellows. The metal corrugated pipe has better toughness and strength, and has longer service life when releasing the stress of the pipeline.

As shown in fig. 3, the rubber ring 6 is divided into two pieces, so that the difficulty of field installation can be remarkably reduced.

Preferably, the outer wall of the rubber ring 6 can be coated with waterproof viscose before being installed, and the waterproof effect of bonding can be realized after the rubber ring is naturally cured after being installed in place.

The installation method of the embodiment comprises the following steps: firstly, two ends 1 are respectively sleeved at the end parts of two concrete drain pipes 12 to be connected, so that the end parts of the concrete drain pipes 12 are abutted against the inner convex parts 3 of the lining, then the corrugated pipes 5 are compressed, the two ends of the corrugated pipes 5 are respectively inserted into the annular gaps 10 for connection, the connection can be threaded connection or can directly stretch a heating device into the annular gaps for hot melt connection, then the rubber ring 6 is extruded between the two ends to be in a state of being compressed by the end parts at two sides and the position of the rubber ring is adjusted, and finally, the rubber ring penetrates through and fixes the bolt component 7.

The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.

Claims (8)

1. A semi-rigid concrete drain pipe joint auxiliary device, comprising:

two end heads (1); the end socket (1) is of a ring-column structure, two sections of stepped ring grooves are formed in the first end of the end socket (1), the stepped ring groove close to the inner part is a first stepped ring groove, the stepped ring groove close to the first end of the end socket (1) is a second stepped ring groove, and the diameter of the second stepped ring groove is larger than that of the first stepped ring groove;

two inner liners (2); the inner liner (2) is formed into a ring-column structure, an annular inner protruding part (3) is formed inwards at the first end of the inner liner (2), and an annular outer protruding part is formed outwards at the first end of the inner liner (2); the main body of the lining (2) is embedded into the first stepped ring groove, the outer convex part of the lining (2) is embedded into the second stepped ring groove,

two tube interfaces (4); the pipe joint (4) is formed into a ring-column structure, an annular outer convex part is formed outwards at the first end of the pipe joint (4), and the pipe joint (4) is embedded into the inner convex part of the lining (2); the outer convex part of the pipe joint (4) is embedded into the main body of the lining (2), and the first end surface of the outer convex part of the pipe joint (4) is connected with one end surface of the inner convex part (3) of the lining (2); the concrete drain pipe (12) is embedded into the end head (1) and the main body of the lining (2), and the end part of the concrete drain pipe (12) is connected with the second end face of the outer protruding part of the pipe joint (4);

a bellows (5); the end part of the corrugated pipe (5) is arranged between the main body of the pipe joint (4) and the inner convex part of the lining (2);

a rubber ring (6); the rubber ring (6) is in a ring-column structure, the rubber ring (6) is covered outside the corrugated pipe (5), two ends of the rubber ring are covered by the two linings (2), and the first ends of the two linings (2) are arranged oppositely; the two inner liners (2) are connected by a bolt assembly.

2. Semi-rigid concrete drainage pipe joint auxiliary device according to claim 1, characterized in that the lining (2) and the pipe joint (4) are made of plastic material, and the inner protrusion (3) of the lining (2) is connected with the pipe joint (4) by heat fusion.

3. Semi-rigid concrete drainage pipe joint auxiliary device according to claim 2, characterized in that there is an annular gap (10) between the inside of the protrusion (3) and the pipe joint (4), the annular gap (10) being coaxial with the head (1); pipe joints (11) are arranged at two ends of the corrugated pipe (5), and the pipe joints (11) are inserted into the annular gap (10) for installation.

4. Semi-rigid concrete drainage pipe joint auxiliary device according to claim 3, wherein said pipe joint (11) is made of plastic material.

5. The auxiliary device for the semi-rigid concrete drainage pipeline joint as claimed in claim 1, wherein the first end of the end head (1) is outwardly formed with an annular outward bulge, the outward bulge of the end head (1) is provided with an axial through hole, the middle side wall of the rubber ring (6) is outwardly formed with an annular outward bulge, the outward bulge (602) of the rubber ring (6) is provided with an axial through hole, and the outward bulge (602) of the rubber ring (6) is arranged between the first ends of the two inner liners (2); the two ends (1) are connected with each other after sequentially penetrating through the through hole of the first end (1), the through hole of the rubber ring (6) and the through hole of the second end (1) through bolt assemblies.

6. The auxiliary device for the semi-rigid concrete drainage pipeline joint as claimed in claim 1, wherein the inner wall of the second end of the end head (1) is provided with a plurality of sealing grooves, and a plurality of first sealing rings (8) are correspondingly embedded into the plurality of sealing grooves for installation.

7. The auxiliary device for the semi-rigid concrete drainage pipeline joint as claimed in claim 1, wherein a plurality of sealing grooves are formed in the side wall of the first stepped ring groove, and a plurality of second sealing rings (9) are correspondingly embedded into the plurality of sealing grooves for installation.

8. Semi-rigid concrete drainage pipe joint auxiliary device according to claim 1, characterized in that the bellows (5) is a metal bellows.

Images