CN213271396U

CN213271396U - Waterproof corrugated expansion device

Info

Publication number: CN213271396U
Application number: CN202021994065.XU
Authority: CN
Inventors: 薛维法; 李伟
Original assignee: BEIJING XINGDA BELLOWS CO LTD
Current assignee: BEIJING XINGDA BELLOWS CO LTD
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-05-25
Anticipated expiration: 2030-09-11

Abstract

The utility model provides a waterproof formula ripple expansion bend relates to the waterproof technical field of developments. The corrugated expansion piece connects the wall body with the pipeline; the bellows expansion and contraction device includes: the connecting ring is connected with the corrugated pipe; the outer edge of the ring plate is connected with the wall body in a sealing mode, the ring plate is provided with a through hole for a pipeline to pass through, the pipeline passes through the through hole, the connecting ring is welded with the outer wall of the pipeline in a sealing mode, and the connecting ring is connected with the ring plate in a sealing mode through a corrugated pipe. In the utility model, the pipeline is hermetically connected with the wall body through the corrugated expansion piece consisting of the connecting ring, the corrugated pipe and the annular plate, so that the through-wall pipeline is separated and waterproof; when the pipeline deforms under the action of expansion with heat and contraction with cold, the corrugated pipe deforms along with the pipeline without damaging the sealing structure of the corrugated expansion piece, the water seepage and water leakage of the plugging part of the pipeline and the wall opening are effectively avoided, and the excellent waterproof effect of the wall-penetrating pipeline is guaranteed.

Description

Waterproof corrugated expansion device

Technical Field

The utility model relates to a dynamic waterproof technical field, concretely relates to waterproof type ripple expansion bend.

Background

When the pipeline wears the wall in the piping lane of city centralized pipe network, when outdoor direct-burried pipeline got into indoorly in the building to and when some industrial pipeline internal and external environment can not establish ties and so on some circumstances, need do separation water repellent to wearing the wall pipeline.

In the construction process of the existing wall-penetrating pipeline, a filling material is often adopted to plug a gap between the pipeline and a hole, so that the environments on two sides of the wall body are separated, and water and air leakage from one side of the wall body to the other side are prevented.

However, due to the change of medium and environment temperature, the pipeline has the phenomena of expansion with heat and contraction with cold, which easily causes water leakage at the plugging part of the pipeline and the hole, affects the construction effect, needs the constructor to frequently carry out maintenance work, and even may cause safety accidents.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a waterproof type ripple expansion bend has solved the poor problem of wall pipe water-proof effects.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a waterproof corrugated expansion piece connects a wall body with a pipeline; the bellows expansion and contraction device includes: the connecting ring is connected with the corrugated pipe; the outer edge of the ring plate is connected with the wall body in a sealing mode, the ring plate is provided with a through hole for a pipeline to pass through, the pipeline passes through the through hole, the connecting ring is welded with the outer wall of the pipeline in a sealing mode, and the connecting ring is connected with the ring plate in a sealing mode through a corrugated pipe.

Preferably, the outer edge of the ring plate is embedded into the wall body.

Preferably, one end of the corrugated pipe is hermetically welded with the inner wall of the through hole, and the other end of the corrugated pipe is hermetically welded with the outer wall of the connecting ring.

Preferably, a first male end is arranged on one side of the connecting ring connected with the corrugated pipe, and the corrugated pipe is sleeved on the first male end.

Preferably, the inner wall of the through hole is connected with a connecting pipe in a sealing mode, and the outer wall of the connecting pipe is welded with the corrugated pipe in a sealing mode.

Preferably, one side of the connecting pipe connected with the corrugated pipe is provided with a second convex spigot, and the corrugated pipe is sleeved on the second convex spigot.

Preferably, a first flange ring is arranged on the outer wall of the connecting ring, a second flange ring corresponding to the first flange ring is arranged at one end of the corrugated pipe, which is connected with the connecting ring, and the first flange ring and the second flange ring are connected through bolts.

Preferably, a sealing ring is arranged between the first flange ring and the second flange ring.

(III) advantageous effects

The utility model provides a waterproof type ripple expansion bend. Compared with the prior art, the method has the following beneficial effects:

in the utility model, the pipeline is hermetically connected with the wall body through the corrugated expansion piece consisting of the connecting ring, the corrugated pipe and the annular plate, so that the through-wall pipeline is separated and waterproof; when the pipeline deforms under the action of expansion with heat and contraction with cold, the corrugated pipe deforms along with the pipeline without damaging the sealing structure of the corrugated expansion piece, the water seepage and water leakage of the plugging part of the pipeline and the wall opening are effectively avoided, and the excellent waterproof effect of the wall-penetrating pipeline is guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a wall body and a pipeline connected by a corrugated expansion joint in embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a wall body and a pipeline connected by a corrugated expansion joint in embodiment 2 of the present invention;

fig. 3 is a schematic structural view of a wall body and a pipeline connected by a corrugated expansion joint in embodiment 3 of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3.

Detailed Description

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 are clearly and completely described, and it is obvious that the described embodiments are some, but not all embodiments of the present 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.

The embodiment of the application provides a waterproof corrugated expansion piece, and solves the problem of poor waterproof effect of a wall-through pipeline.

In order to solve the technical problems, the general idea of the embodiment of the application is as follows:

in the embodiment of the utility model, the pipeline is hermetically connected with the wall body through the corrugated expansion piece consisting of the connecting ring, the corrugated pipe and the annular plate, so that the through-wall pipeline is isolated and waterproof; when the pipeline deforms under the action of expansion with heat and contraction with cold, the corrugated pipe deforms along with the pipeline without damaging the sealing structure of the corrugated expansion piece, the water seepage and water leakage of the plugging part of the pipeline and the wall opening are effectively avoided, and the excellent waterproof effect of the wall-penetrating pipeline is guaranteed.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Example 1:

as shown in fig. 1, the present invention provides a waterproof type corrugated expansion piece, which connects a wall 40 with a pipeline 50; the bellows expansion and contraction device includes: the ring plate 10, the bellows 20, and the connection ring 30; the outer edge of the ring plate 10 is hermetically connected with the wall 40, the ring plate 10 is provided with a through hole 11 through which a pipeline 50 passes, the pipeline 50 passes through the through hole 11, the connecting ring 30 is hermetically welded with the outer wall of the pipeline 50, and the connecting ring 30 is hermetically connected with the ring plate 10 through a corrugated pipe 20.

The pipeline 50 is hermetically connected with the wall 40 through a corrugated expansion piece composed of a connecting ring 30, a corrugated pipe 20 and a ring plate 10, so that the through-wall pipeline is isolated and waterproof; when the pipeline 50 deforms under the action of thermal expansion and cold contraction, the corrugated pipe 20 deforms along with the deformation without damaging the sealing structure of the corrugated expansion piece, the water seepage and water leakage at the plugging part of the pipeline and the wall opening are effectively avoided, and the excellent waterproof effect of the wall-penetrating pipeline is ensured.

As shown in fig. 1, the outer edge of the ring plate 10 is embedded in the wall 40.

As shown in fig. 1, one end of the bellows 20 is hermetically welded to the inner wall of the through-hole 11, and the other end is hermetically welded to the outer wall of the connection ring 30.

As shown in fig. 1, a first male end is provided at a side of the connection ring 30 connected to the bellows 20, and the bellows 20 is sleeved on the first male end to facilitate welding.

Example 2:

as shown in fig. 2, in order to facilitate welding of the bellows 20 to the ring plate 10, in addition to embodiment 1, a connection pipe 12 is hermetically connected to an inner wall of the through hole 11, and an outer wall of the connection pipe 12 is hermetically welded to the bellows 20.

And a second convex spigot is arranged on one side of the connecting pipe 12 connected with the corrugated pipe 20, and the corrugated pipe 20 is sleeved on the second convex spigot and is welded.

Example 3:

as shown in fig. 3 and 4, in order to facilitate connection of the bellows 20 and the connection ring 30, in addition to embodiment 1, a first flange ring 31 is disposed on an outer wall of the connection ring 30, a second flange ring 21 corresponding to the first flange ring 31 is disposed at one end of the bellows 20 connected to the connection ring 30, and the first flange ring 31 and the second flange ring 21 are connected by bolts.

As shown in fig. 4, a sealing ring 60 is disposed between the first flange ring 31 and the second flange ring 21 to realize the sealing connection between the connection ring 30 and the bellows 20.

To sum up, compare with prior art, the utility model discloses possess following beneficial effect:

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A waterproof type bellow expansion piece, characterized in that it connects a wall (40) with a pipe (50); the bellows expansion and contraction device includes: the corrugated pipe comprises an annular plate (10), a corrugated pipe (20) and a connecting ring (30); the outer edge of the ring plate (10) is connected with the wall body (40) in a sealing mode, a through hole (11) for a pipeline (50) to pass through is formed in the ring plate (10), the pipeline (50) penetrates through the through hole (11), the connecting ring (30) is welded with the outer wall of the pipeline (50) in a sealing mode, and the connecting ring (30) is connected with the ring plate (10) in a sealing mode through the corrugated pipe (20).

2. A waterproof bellows according to claim 1, wherein the outer edge of the ring plate (10) is embedded inside the wall (40).

3. A waterproof bellows according to claim 1, wherein the bellows (20) is sealingly welded at one end to the inner wall of the through hole (11) and at the other end to the outer wall of the connection ring (30).

4. A waterproof bellows according to claim 3 wherein the connecting ring (30) is provided with a first male end on the side where the bellows (20) is connected, and wherein the bellows (20) is fitted over the first male end.

5. A waterproof bellows expansion and contraction device according to claim 1 wherein a connection pipe (12) is sealingly connected to an inner wall of said through hole (11), and an outer wall of said connection pipe (12) is sealingly welded to the bellows (20).

6. A waterproof bellows expansion device according to claim 5, wherein the connecting tube (12) is provided with a second male end on the side where the bellows (20) is connected, and the bellows (20) is fitted over the second male end.

7. The waterproof bellows of any one of claims 1 to 6, wherein a first flange ring (31) is provided on an outer wall of the connection ring (30), a second flange ring (21) corresponding to the first flange ring (31) is provided on an end of the bellows (20) connected to the connection ring (30), and the first flange ring (31) and the second flange ring (21) are connected by bolts.

8. A watertight bellows-type expansion device according to claim 7, wherein a sealing ring (60) is arranged between the first flange ring (31) and the second flange ring (21).