CN210440771U

CN210440771U - Water seepage prevention type metal corrugated pipe fitting connected with bend

Info

Publication number: CN210440771U
Application number: CN201921056145.8U
Authority: CN
Inventors: 郑伟
Original assignee: Anhui Ankai Pipe Technology Co Ltd
Current assignee: Anhui Ankai Pipe Technology Co Ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-05-01
Anticipated expiration: 2029-07-08

Abstract

The utility model relates to the technical field of metal corrugated pipe fittings, in particular to a water seepage prevention type metal corrugated pipe fitting connected in a bent pipe, which comprises a metal corrugated pipe, wherein the end surface of the metal corrugated pipe is provided with a butt joint pipe which is butt jointed in the pipe orifice of the bent pipe, the outer wall of the bent pipe is provided with a snap ring, the inner wall of the snap ring is provided with a butt joint ring groove, the butt joint ring groove is in butt joint with a rubber ring, the rubber ring is fixed on the outer wall of the metal corrugated pipe, the outer wall of the metal corrugated pipe is sleeved with a press ring, the outer ring surface of the press ring is provided with a finger groove, the inner ring surface of; the beneficial effects are that: the utility model provides a prevention of seepage water formula corrugated metal pipe spare that bend is connected plays first sealed effect behind butt joint pipe and the return bend spiro union, and at the spiro union in-process, the butt joint of interior seal ring plays the sealed effect of second way in the mouth of pipe to the butt joint pipe, promotes the leakproofness that corrugated metal pipe and return bend are connected.

Description

Water seepage prevention type metal corrugated pipe fitting connected with bend

Technical Field

The utility model relates to a metal corrugated pipe fittings correlation technique field specifically is a prevention of seepage water formula metal corrugated pipe fittings that bend is connected.

Background

The metal corrugated pipe has good flexibility, corrosion resistance, high temperature resistance, wear resistance, tensile resistance and waterproofness and provides excellent electromagnetic shielding performance, the stainless steel hose can be freely bent to various angles and curvature radiuses, and the same flexibility and durability are realized in all directions; the stainless steel hose has flexible pitches, good flexibility, no blockage and no stiffness;

in the prior art, when the metal corrugated pipe fitting is connected with the bent pipe, the connection part is only provided with a sealing structure due to simple structure, and the water seepage is caused at the connection part after the sealing structure is worn after long-time use; therefore, the utility model provides a prevention of seepage water formula metal bellows spare that bend is connected is used for solving above-mentioned problem.

Disclosure of Invention

An object of the utility model is to provide a prevention of seepage water formula metal bellows spare that bend is connected to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevention of seepage water formula metal bellows spare that bend is connected, includes corrugated metal pipe, corrugated metal pipe's terminal surface is provided with the butt joint pipe, the butt joint pipe butt joint is in the mouth of pipe of return bend, be provided with the buckle on the outer wall of return bend, the butt joint annular has been seted up on the inner wall of buckle, butt joint annular and rubber ring butt joint, the rubber ring is fixed on corrugated metal pipe's outer wall, and the cover is equipped with the clamping ring on corrugated metal pipe's the outer wall, the outer anchor ring of clamping ring has been seted up and has been pointed the groove, and the inner ring face of clamping ring has seted up the butt joint breach.

Preferably, the butt joint pipe is of a circular pipe structure, the diameter of an inner ring of the butt joint pipe is equal to that of an inner ring of the metal corrugated pipe, the diameter of an outer ring of the butt joint pipe is smaller than that of an outer ring of the metal corrugated pipe, an external thread is arranged on the outer annular surface of the butt joint pipe, an internal thread is arranged on the inner wall of the bent pipe, and the internal thread is connected with the external thread in a matched mode.

Preferably, the snap ring is of a circular ring structure with an L-shaped section, the outer ring surface of the snap ring is obliquely arranged, and the butt-joint ring groove is of a circular ring structure with a semi-elliptical end surface.

Preferably, the clamping ring is the ring structure, and the interior anchor ring of clamping ring and corrugated metal pipe's outer wall spiro union indicate the groove to be circular cylinder structure, indicate the groove to be provided with a plurality ofly, and a plurality of finger grooves equidistance equidimension such as arrange along the outer anchor ring of clamping ring and distribute, and the butt joint breach is ring shape cylinder structure, and the butt joint breach is towards the buckle.

Preferably, the inner sealing rubber ring comprises a fixed section and a butt joint section, the fixed section is of a circular ring structure, and the butt joint section is of a circular truncated cone-shaped circular structure, and the diameters of the inner rings of the fixed section and the butt joint section are equal.

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

1. the utility model provides a first sealing function is played after the butt joint pipe of the anti-seepage type metal corrugated pipe fitting connected with the bend is in threaded connection with the bend, and in the process of threaded connection, the inner seal ring is in butt joint with the pipe orifice of the butt joint pipe to play a second sealing function, so that the sealing performance of the connection of the metal corrugated pipe and the bend is improved;

2. the utility model provides a prevention of seepage water formula corrugated metal pipe spare that bend is connected when butt joint pipe and return bend spiro union, the buckle is detained in corrugated metal pipe's the outside, then the finger is scratched and is being pointed the inslot and twist the clamping ring soon, makes the butt joint breach extrusion buckle of clamping ring inner toroid, makes the butt joint annular pressfitting of buckle inner toroid play third seal structure on the rubber ring.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of a structure in fig. 1.

In the figure: the device comprises a metal corrugated pipe 1, a butt joint pipe 2, a bent pipe 3, a retaining ring 4, a butt joint ring groove 5, a rubber ring 6, a pressing ring 7, a finger groove 8, a butt joint notch 9 and an inner sealing rubber ring 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a technical solution: a water seepage prevention type metal corrugated pipe fitting connected with a bend comprises a metal corrugated pipe 1, wherein a butt joint pipe 2 is welded on the end face of the metal corrugated pipe 1, the butt joint pipe 2 is in butt joint with a pipe opening of a bent pipe 3, the butt joint pipe 2 is of a circular pipe structure, the diameter of an inner ring of the butt joint pipe 2 is equal to that of an inner ring of the metal corrugated pipe 1, the diameter of an outer ring of the butt joint pipe 2 is smaller than that of the outer ring of the metal corrugated pipe 1, an outer thread is arranged on the outer ring face of the butt joint pipe 2, an inner thread is arranged on the inner wall of the bent pipe 3 and is in matched connection with the outer thread, the butt joint pipe 2 is inserted into the pipe opening of the bent pipe 3, the metal corrugated pipe 1;

an inner sealing rubber ring 10 is bonded on the inner wall of the bent pipe 3, the inner sealing rubber ring 10 comprises a fixed section and a butt joint section, the fixed section is of a circular ring structure, the diameter of the inner ring of the fixed section of the butt joint section is equal to that of the inner ring of the butt joint section of the circular ring structure, and in the process of screwing the butt joint pipe 2 and the bent pipe 3, the butt joint section of the inner sealing rubber ring 10 is inserted into the pipe orifice of the butt joint pipe 2 to form a second sealing structure for connecting the metal corrugated pipe 1 and the bent pipe 3;

the outer wall of the elbow 3 is welded with a retaining ring 4, the inner wall of the retaining ring 4 is provided with a butt-joint ring groove 5, the retaining ring 4 is of a ring structure with an L-shaped section, the outer ring surface of the retaining ring 4 is obliquely arranged, the butt-joint ring groove 5 is of a ring structure with a semi-elliptical end surface, the butt-joint ring groove 5 is in butt joint with a rubber ring 6, the rubber ring 6 is bonded on the outer wall of the metal corrugated pipe 1, the outer wall of the metal corrugated pipe 1 is sleeved with a press ring 7, the outer ring surface of the press ring 7 is provided with a plurality of finger grooves 8, the inner ring surface of the press ring 7 is provided with a butt-joint gap 9, the press ring 7 is of a ring structure, the inner ring surface of the press ring 7 is in threaded connection with the outer wall of the metal corrugated pipe 1, the finger grooves 8 are of a circular cylinder structure, the finger grooves 8 are arranged in equal size along the outer ring surface of the, the snap ring 4 is buckled on the outer side of the metal corrugated pipe 1, then the finger is scratched in the finger groove 8 to screw the press ring 7 in a rotating mode, the butt joint notch 9 of the inner ring surface of the press ring 7 is sleeved on the outer side of the snap ring 4, in the pushing process of the press ring 7, the inner wall of the butt joint notch 9 extrudes the snap ring 4, the butt joint ring groove 5 of the inner ring surface of the snap ring 4 is pressed on the rubber ring 6, and a third sealing structure for connecting the metal corrugated pipe 1 and the bent pipe 3 is formed.

The working principle is as follows: during actual work, the butt joint pipe 2 is inserted into the pipe orifice of the elbow 3, the metal corrugated pipe 1 is screwed, the butt joint pipe 2 is driven to be in threaded connection with the elbow 3, a first sealing structure for connecting the metal corrugated pipe 1 and the elbow 3 is formed, in the process of screwing the butt joint pipe 2 and the elbow 3, the butt joint section of the inner sealing rubber ring 10 is inserted into the pipe orifice of the butt joint pipe 2, a second sealing structure for connecting the metal corrugated pipe 1 and the elbow 3 is formed, in addition, the snap ring 4 is buckled on the outer side of the metal corrugated pipe 1 when the butt joint pipe 2 is in threaded connection with the elbow 3, then the finger is used for screwing the press ring 7 in the finger groove 8, the butt joint notch 9 of the inner ring surface of the press ring 7 is sleeved on the outer side of the snap ring 4, in the pushing process of the press ring 7, the inner wall of the butt joint notch 9 extrudes the snap ring 4, the butt joint ring groove 5 of the inner, the sealing performance of the plurality of sealing structures when the metal corrugated pipe 1 is connected with the bent pipe 3 is effectively improved, and the connection part is prevented from being seeped outwards.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevention of seepage water formula metal bellows spare that bend is connected, includes metal bellows (1), its characterized in that: the end face of the metal corrugated pipe (1) is provided with a butt joint pipe (2), the butt joint pipe (2) is butted in a pipe opening of the bent pipe (3), a snap ring (4) is arranged on the outer wall of the bent pipe (3), a butt joint annular groove (5) is formed in the inner wall of the snap ring (4), the butt joint annular groove (5) is butted with a rubber ring (6), the rubber ring (6) is fixed on the outer wall of the metal corrugated pipe (1), a pressing ring (7) is sleeved on the outer wall of the metal corrugated pipe (1), a finger groove (8) is formed in the outer ring surface of the pressing ring (7), a butt joint notch (9) is formed in the inner ring surface of the pressing ring (7), and an inner sealing rubber ring (10) is arranged on the inner wall.

2. A curve-jointed watertight metal bellows part according to claim 1, wherein: the butt joint pipe (2) is of a circular pipe structure, the inner ring diameter of the butt joint pipe (2) is equal to that of the corrugated metal pipe (1), the outer ring diameter of the butt joint pipe (2) is smaller than that of the corrugated metal pipe (1), external threads are arranged on the outer ring surface of the butt joint pipe (2), internal threads are arranged on the inner wall of the bent pipe (3), and the internal threads are connected with the external threads in a matched mode.

3. A curve-jointed watertight metal bellows part according to claim 1, wherein: the snap ring (4) is of a circular ring structure with an L-shaped section, the outer ring surface of the snap ring (4) is obliquely arranged, and the butt-joint ring groove (5) is of a circular ring structure with a semi-elliptical end surface.

4. A curve-jointed watertight metal bellows part according to claim 1, wherein: clamping ring (7) are the ring structure, and the interior anchor ring of clamping ring (7) and the outer wall spiro union of corrugated metal pipe (1) indicate groove (8) to be the circular cylinder structure, indicate groove (8) to be provided with a plurality ofly, and a plurality ofly indicate that equidimension such as groove (8) equidistance is arranged along the outer anchor ring of clamping ring (7) and is distributed, and butt joint breach (9) are the ring shape cylinder structure, and butt joint breach (9) are towards buckle (4).

5. A curve-jointed watertight metal bellows part according to claim 1, wherein: the inner sealing rubber ring (10) comprises a fixed section and a butt joint section, wherein the fixed section is of a circular ring structure, and the butt joint section is of a truncated cone-shaped circular structure, and the diameters of the inner rings of the fixed section and the butt joint section are equal.