CN210770762U

CN210770762U - Exempt from detachable metal bellows spare of sealing member

Info

Publication number: CN210770762U
Application number: CN201921056163.6U
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: 2020-06-16
Anticipated expiration: 2029-07-08

Abstract

The utility model relates to the technical field of corrugated metal pipe fittings, in particular to a sealing-element-free detachable corrugated metal pipe fitting, which comprises a corrugated metal pipe, wherein the end surface of the corrugated metal pipe is provided with a butt joint groove, the butt joint pipe is butt jointed inside the butt joint groove, the end surface of the butt joint pipe is provided with a flexible expansion pipe, the end surface of the flexible expansion pipe is provided with a baffle ring, the inner ring surface of the baffle ring is provided with a rubber pad, the inner ring surface of the baffle ring is provided with a spurs, the outer side of the corrugated metal pipe is sleeved with a rotating ring, and the surface of the rotating ring; the beneficial effects are that: the utility model provides a exempt from detachable metal bellows spare of sealing member need not to add alone when the installation and establishes the sealing member, fixes the rubber pad on the inner wall of the expanding pipe of metal bellows tip, expands to prop the pipe extrusion to butt joint inslot portion back, and the rubber pad plays sealed effect to expanding the inside body parcel of pipe.

Description

Exempt from detachable metal bellows spare of sealing member

Technical Field

The utility model relates to a metal corrugated pipe related technical field specifically is a exempt from detachable metal corrugated pipe spare of sealing member.

Background

The metal corrugated pipe fitting is installed in a liquid conveying system as a flexible pressure-resistant pipe fitting, is used for compensating mutual displacement of connecting ends of pipelines or machines and equipment, absorbs vibration energy, can play roles of vibration reduction, noise reduction and the like, and has the characteristics of good flexibility, light weight, corrosion resistance, fatigue resistance, high and low temperature resistance and the like; therefore, the utility model provides a exempt from detachable corrugated metal pipe spare of sealing member is used for solving above-mentioned problem.

Disclosure of Invention

An object of the utility model is to provide a exempt from detachable corrugated metal pipe spare of sealing member to solve the problem of proposing among 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 exempt from detachable corrugated metal pipe spare of sealing member, includes corrugated metal pipe, the butt joint groove has been seted up to corrugated metal pipe's terminal surface, the inside butt joint in butt joint groove has the butt joint pipe, the terminal surface of butt joint pipe is provided with flexible expansion pipe, the terminal surface that flexible expansion pipe was provided with keeps off the ring, be provided with the rubber pad on the interior anchor ring of fender ring, and be provided with suddenly thorn on the interior anchor ring of fender ring, corrugated metal pipe's outside cover is equipped with the change, the finger groove has been seted up on the surface of change.

Preferably, the butt joint grooves are of a circular cylindrical structure, the diameter of an inner ring of each butt joint groove is larger than that of an inner ring of the metal corrugated pipe, the diameter of an outer ring of each butt joint groove is smaller than that of an outer ring of the metal corrugated pipe, the number of the butt joint grooves is two, and the two butt joint grooves are distributed on two end faces of the metal corrugated pipe respectively.

Preferably, the butt joint pipe is of a circular pipe structure, the flexible expanding pipe is of a circular truncated cone-shaped annular structure, external threads are arranged on the outer annular surfaces of the butt joint pipe and the flexible expanding pipe, internal threads are arranged on the outer annular surface of the butt joint groove, and the internal threads are connected with the external threads in a matched mode.

Preferably, keep off the ring and be the ring structure, the outer loop diameter that keeps off the ring is greater than corrugated metal pipe's outer loop diameter, and the rubber pad is the terminal surface and is trapezoidal ring structure, and the rubber pad is provided with a plurality ofly, and a plurality of rubber pads arrange along the interior anchor ring that the flexibility expands the stay tube and distribute, and the thorn suddenly is conical structure, and the thorn suddenly is provided with the multiunit, and the multiunit thorn suddenly distributes with a plurality of rubber pads are alternate, and every group thorn suddenly is provided with a plurality ofly, and a plurality of thorns suddenly are the circumference and arrange on the interior anchor ring that the flexibility expands.

Preferably, the swivel is of a circular ring structure, the finger grooves are of a semicircular cylinder structure, the finger grooves are provided with a plurality of finger grooves, and the finger grooves are arranged along the outer annular surface of the swivel at equal intervals.

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

1. the utility model provides a exempt from detachable metal bellows spare of sealing member need not to add alone when the installation and establish the sealing member, fixes the rubber pad on the inner wall of the expanding pipe at metal bellows tip, expands after the pipe extrudees to the butt joint inslot portion, and the rubber pad plays the sealing action to the body parcel in the expanding pipe;

2. the utility model provides a exempt from detachable corrugated metal pipe fitting of sealing member adds in the interior anchor ring that expands to prop the pipe and establish the bur suddenly, increases to expand and props the friction between pipe and the inside body, and establishes the swivel that points the groove at corrugated metal pipe outside cover, is convenient for rotate corrugated metal pipe will expand to prop the pipe extrusion and get into in the butt joint groove.

Drawings

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

fig. 2 is a schematic view of the swivel structure of the present invention.

In the figure: the device comprises a metal corrugated pipe 1, a butt joint groove 2, a butt joint pipe 3, a flexible expanding pipe 4, a baffle ring 5, a rubber pad 6, a convex thorn 7, a rotating ring 8 and a finger groove 9.

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 sealing-element-free detachable metal corrugated pipe fitting comprises a metal corrugated pipe 1, wherein the end face of the metal corrugated pipe 1 is provided with two butt joint grooves 2, the butt joint grooves 2 are of a circular cylindrical structure, the inner ring diameter of each butt joint groove 2 is larger than the inner ring diameter of the metal corrugated pipe 1, the outer ring diameter of each butt joint groove 2 is smaller than the outer ring diameter of the metal corrugated pipe 1, the butt joint grooves 2 are provided with two butt joint grooves 2, the two butt joint grooves 2 are respectively distributed on the two end faces of the metal corrugated pipe 1, butt joint pipes 3 are butt-jointed inside the butt joint grooves 2, flexible expansion pipes 4 are welded on the end faces of the butt joint pipes 3, the butt joint pipes 3 are of a circular pipe structure, the flexible expansion pipes 4 are of a circular truncated cone-shaped annular structure, external threads are respectively arranged on the outer ring faces of the butt joint pipes 3 and the flexible expansion pipes 4, the butt joint groove 2 is in threaded connection with the butt joint pipe 3, the butt joint pipe 3 moves towards the inside of the butt joint groove 2 and drives the flexible expanding pipe 4 to move towards the butt joint groove 2, and the butt joint groove 2 extrudes the flexible expanding pipe 4;

the end face of the flexible expanding pipe 4 is welded with a baffle ring 5, the inner ring face of the baffle ring 5 is bonded with a rubber pad 6, the inner ring face of the baffle ring 5 is welded with a plurality of burs 7, the baffle ring 5 is in a ring structure, the outer ring diameter of the baffle ring 5 is larger than that of the metal corrugated pipe 1, the rubber pad 6 is in a trapezoidal ring structure, the rubber pads 6 are arranged in a plurality, the rubber pads 6 are distributed along the inner ring face of the flexible expanding pipe 4, the burs 7 are in a conical structure, the burs 7 are provided with a plurality of groups, the plurality of groups of burs 7 are distributed with the rubber pads 6 in an alternate way, each group of burs 7 is provided with a plurality of burs 7, the plurality of burs 7 are arranged on the inner ring face of the flexible expanding pipe 4 in a circumferential way, the butt joint groove 2 extrudes the flexible expanding pipe 4, so that the rubber pads 6 are wrapped on the pipe body inside the metal corrugated pipe 1 to play a sealing role, increasing the friction between the flexible expanding pipe 4 and the external pipe body;

the outside cover of corrugated metal pipe 1 is equipped with swivel 8, finger groove 9 has been seted up on the surface of swivel 8, swivel 8 is the ring circular structure, finger groove 9 semicircular cylinder structure, finger groove 9 is provided with a plurality ofly, a plurality of equidimensions such as 9 equidistance in finger groove are arranged along the outer anchor ring of swivel 8 and are distributed, dock the inside at flexible expansion pipe 4 with outside body, then the finger is pressed in finger groove 9 on swivel 8 surface, revolve and twist swivel 8, the welding of swivel 8 is on corrugated metal pipe 1's outer wall, drive corrugated metal pipe 1 synchronous revolution.

The working principle is as follows: during actual work, an external pipe body is butted inside the flexible expansion pipe 4, then a finger presses the finger groove 9 on the surface of the rotating ring 8 to screw the rotating ring 8, the rotating ring 8 is welded on the outer wall of the metal corrugated pipe 1 to drive the metal corrugated pipe 1 to synchronously rotate, the butt joint groove 2 is in threaded connection with the butt joint pipe 3 in the rotating process of the metal corrugated pipe 1, the butt joint pipe 3 moves towards the inside of the butt joint groove 2 and drives the flexible expansion pipe 4 to move towards the butt joint groove 2, the butt joint groove 2 extrudes the flexible expansion pipe 4, so that the rubber pad 6 is wrapped on the external pipe body inside the metal corrugated pipe 1 to play a sealing role, the protruding spine 7 is pricked on the outer wall of the external pipe body to increase friction between the flexible expansion pipe 4 and the external pipe body, and therefore when the metal corrugated pipe 1 is connected, a sealing part does not need to be specially found for matching use.

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 exempt from detachable metal bellows spare of sealing member, includes metal bellows (1), its characterized in that: butt joint groove (2) have been seted up to the terminal surface of corrugated metal pipe (1), the inside of butt joint groove (2) is to having butt joint pipe (3), the terminal surface of butt joint pipe (3) is provided with flexible expanding pipe (4), the terminal surface that the flexibility expanded pipe (4) is provided with fender ring (5), be provided with rubber pad (6) on the interior anchor ring of fender ring (5), and be provided with on the interior anchor ring of fender ring (5) suddenly thorn (7), corrugated metal pipe's (1) outside cover is equipped with swivel (8), finger groove (9) have been seted up on the surface of swivel (8).

2. The seal-free removable corrugated metal tubing as claimed in claim 1, wherein: the butt joint groove (2) is of a circular ring column structure, the inner ring diameter of the butt joint groove (2) is larger than that of the corrugated metal pipe (1), the outer ring diameter of the butt joint groove (2) is smaller than that of the corrugated metal pipe (1), the butt joint groove (2) is provided with two butt joint grooves, and the two butt joint grooves (2) are distributed on two end faces of the corrugated metal pipe (1) respectively.

3. The seal-free removable corrugated metal tubing as claimed in claim 1, wherein: the butt joint pipe (3) is of a circular pipe structure, the flexible expanding pipe (4) is of a circular truncated cone-shaped annular structure, external threads are arranged on the outer annular surfaces of the butt joint pipe (3) and the flexible expanding pipe (4), internal threads are arranged on the outer annular surface of the butt joint groove (2), and the internal threads are connected with the external threads in a matched mode.

4. The seal-free removable corrugated metal tubing as claimed in claim 1, wherein: keep off ring (5) and be the ring structure, the outer loop diameter that keeps off ring (5) is greater than the outer loop diameter of corrugated metal pipe (1), rubber pad (6) are the terminal surface and are trapezoidal ring structure, rubber pad (6) are provided with a plurality ofly, a plurality of rubber pads (6) are arranged along the interior anchor ring that flexible expand prop pipe (4) and are distributed, bur (7) suddenly are conical structure, bur (7) suddenly are provided with the multiunit, the multiunit is distributed with a plurality of rubber pad (6) are alternate, and every group is bur (7) suddenly and is provided with a plurality ofly, a plurality of burs (7) suddenly are the circumference and arrange on the interior anchor ring of flexible expand prop pipe (4).

5. The seal-free removable corrugated metal tubing as claimed in claim 1, wherein: the rotary ring (8) is of a circular ring structure, the finger grooves (9) are of a semicircular column structure, the finger grooves (9) are arranged in a plurality, and the finger grooves (9) are distributed along the outer ring surface of the rotary ring (8) at equal intervals and in equal size.