CN214147006U

CN214147006U - Compensator for corrugated pipe

Info

Publication number: CN214147006U
Application number: CN202022691150.5U
Authority: CN
Inventors: 李先康
Original assignee: Heze Haoyang Equipment Manufacturing Co ltd
Current assignee: Heze Haoyang Equipment Manufacturing Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-09-07
Anticipated expiration: 2030-11-19

Abstract

The utility model relates to a bellows technical field just discloses a compensator for bellows, including the bellows, the one end of bellows and the internal surface fixed connection of go-between, one side of go-between is provided with the U-shaped groove, the internal surface in U-shaped groove and one side joint of sealed U-shaped rubber pad, the opposite side of sealed U-shaped rubber pad and the curved surface joint of U-shaped sealing ring one side, the opposite side of U-shaped sealing ring and one side fixed connection of sealed clamping ring, the opposite side of sealed clamping ring and connecting bolt's one end threaded connection. This compensator for bellows through the cooperation of sealed U-shaped rubber pad, U-shaped groove and U-shaped sealing ring, makes the rigid connection between ring flange and the bellows convert flexible connection into, can avoid the splice to receive corrosion damage simultaneously, prolongs the life of bellows compensator, has reached the effect that improves bellows compensator equipment efficiency, extension bellows compensator life, has solved the problem that bellows compensator welding efficiency is low, the splice is easy for the rust and corrodes the damage.

Description

Compensator for corrugated pipe

Technical Field

The utility model relates to a bellows technical field specifically is a compensator for bellows.

Background

The corrugated pipe compensator used in the high-voltage switch industry comprises a flange and a corrugated pipe, wherein the corrugated pipe is directly connected with the hole wall of an inner hole of the flange in a sealing manner by welding. Because the corrugated pipe is very thin, the flange is very thick, the thickness difference between the corrugated pipe and the flange is very large, the corrugated pipe is easy to weld through in the welding process of the corrugated pipe and the flange, and the internal stress of the welding part is large, so that the sealing failure of the corrugated pipe is easy to cause in the use process.

Bellows welded inefficiency, high to the requirement of welding, the high temperature that produces during the welding makes welding personnel be in work under the high temperature state for a long time, can produce certain injury to staff's health, can't improve the production efficiency of bellows simultaneously, influences the development of enterprise.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a compensator for bellows possesses improvement bellows compensator equipment efficiency, extension bellows compensator life, improves advantages such as staff's operational environment, improvement bellows production efficiency, has solved that bellows compensator welding efficiency is low, the easy corrosion of welding department damages, staff's high temperature welding operational environment is abominable, bellows production efficiency hangs down the problem.

(II) technical scheme

For the purpose of realizing above-mentioned improvement corrugated pipe compensator packaging efficiency, extension corrugated pipe compensator life, improving staff operational environment, improvement bellows production efficiency, the utility model provides a following technical scheme: the utility model provides a compensator for bellows, including the bellows, the one end of bellows and the internal surface fixed connection of go-between, one side of go-between is provided with the U-shaped groove, the internal surface in U-shaped groove and one side joint of sealed U-shaped rubber pad, the opposite side of sealed U-shaped rubber pad and the curved surface joint of U-shaped sealing ring one side, the opposite side of U-shaped sealing ring and one side fixed connection of sealed clamping ring, the opposite side of sealed clamping ring and connecting bolt's one end threaded connection, connecting bolt's middle part curved surface and the opposite side joint of go-between, connecting bolt's the other end and the internal surface threaded connection of constant head tank, the constant head tank is seted up in one side of ring flange, the surface of ring flange and the one end fixed connection of location ear, the other end of location ear cup joints with the curved surface of lead screw one end.

Preferably, the number of the screw rods is three, the curved surface at one end of each screw rod is fixedly connected with the inner surface of each limiting ring, every two limiting rings are symmetrically distributed at two ends of one screw rod, and the number of the limiting rings is six.

Preferably, the number of the positioning lugs is six, every three positioning lugs are uniformly distributed on the outer surface of one flange plate in a group, a first nut and a second nut which are identical in specification are arranged on two sides of each positioning lug, and the number of the first nut and the second nut is six.

Preferably, the number of the connecting rings is two, the connecting rings are symmetrically distributed at two ends of the corrugated pipe, and the U-shaped groove arranged at one side of the connecting rings is one centimeter deep.

Preferably, the two flange plates are symmetrically distributed, the diameter of an inner hole of each flange plate is five centimeters larger than the outer diameter of the U-shaped groove by zero, and the diameter of the inner hole of each U-shaped groove is one centimeter smaller than the inner diameter of the sealing compression ring.

Preferably, the number of the connecting bolts is eight, and every four connecting bolts are symmetrically distributed at two ends of the corrugated pipe.

(III) advantageous effects

Compared with the prior art, the utility model provides a compensator for bellows possesses following beneficial effect:

1. this compensator for bellows through the cooperation of sealed U-shaped rubber pad, U-shaped groove and U-shaped sealing ring, makes the rigid connection between ring flange and the bellows convert flexible connection into, can avoid the splice to receive corrosion damage simultaneously, prolongs the life of bellows compensator, has reached the effect that improves bellows compensator equipment efficiency, extension bellows compensator life, has solved the problem that bellows compensator welding efficiency is low, the splice is easy for the rust and corrodes the damage.

2. This compensator for bellows makes bellows and ring flange be connected through connecting bolt, and it is abominable to have avoided high temperature welding to lead to staff's operational environment, and the staff of being convenient for simultaneously assembles, alleviates the production expenditure when improving production efficiency, has reached the effect that improves staff's operational environment, improvement bellows production efficiency, has solved the problem that staff's high temperature welding operational environment is abominable, bellows production efficiency hangs down.

Drawings

FIG. 1 is a three-dimensional left-side view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention in partial section;

fig. 3 is an enlarged schematic view of fig. 2 at a according to the present invention;

fig. 4 is a schematic view of the structure of the present invention.

In the figure: the sealing device comprises a flange plate 1, a first nut 2, a positioning lug 3, a second nut 4, a limiting ring 5, a lead screw 6, a connecting bolt 7, a connecting ring 8, a sealing press ring 9, a corrugated pipe 10, a sealing U-shaped rubber pad 11, a U-shaped groove 12, a U-shaped sealing ring 13 and a positioning groove 14.

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. 1-4, a compensator for a corrugated pipe comprises a corrugated pipe 10, one end of the corrugated pipe 10 is fixedly connected with an inner surface of a connecting ring 8, one side of the connecting ring 8 is provided with a U-shaped groove 12, the inner surface of the U-shaped groove 12 is clamped with one side of a sealing U-shaped rubber pad 11, the other side of the sealing U-shaped rubber pad 11 is clamped with a curved surface of one side of a U-shaped sealing ring 13, the other side of the U-shaped sealing ring 13 is fixedly connected with one side of a sealing press ring 9, the other side of the sealing press ring 9 is in threaded connection with one end of a connecting bolt 7, the number of the connecting bolts 7 is eight, every four connecting bolts 7 are symmetrically distributed at two ends of the corrugated pipe 10 in a group, the corrugated pipe 10 is convenient to install, the production efficiency of the corrugated pipe compensator is improved, the curved surface of the middle part, the U-shaped groove 12 arranged on one side of the connecting ring 8 is one centimeter deep, the sealing efficiency is improved through the U-shaped groove 12 and the U-shaped sealing ring 13, the other end of the connecting bolt 7 is in threaded connection with the inner surface of the positioning groove 14, the positioning groove 14 is arranged on one side of the flange plate 1, the two flange plates 1 are symmetrically distributed, the inner diameter of the flange plate 1 is five centimeters larger than the outer diameter of the U-shaped groove 12, the inner diameter of the U-shaped groove 12 is one centimeter smaller than the inner diameter of the sealing press ring 9, the sealing performance of the joint of the U-shaped groove 12 is ensured, the phenomenon that welding rigid connection is easy to damage is avoided, the outer surface of the flange plate 1 is fixedly connected with one end of the positioning lug 3, the total number of the positioning lugs 3 is six, every three lugs are uniformly distributed on the outer surface of one flange plate 1, the two sides of each positioning lug 3 are provided with a first nut 2 and a second nut 4 which have the same specification, and the number of six respectively, be convenient for to the maintenance and the maintenance of equipment, the other end of location ear 3 cup joints with the curved surface of lead screw 6 one end, and lead screw 6 is total three, and the curved surface of lead screw 6 one end is connected with the internal surface fixed of spacing ring 5, and per two 5 symmetric distributions of spacing ring are at the both ends of a lead screw 6, and spacing ring 5 is total six, guarantees bellows 10 transportation safety, guarantees simultaneously that bellows 10 can not surpass the compression limit impaired.

The working principle is as follows: firstly, the sealing U-shaped rubber pad 11 is arranged between the U-shaped groove 12 and the U-shaped sealing ring 13, so that the sealing press ring 9, the connecting ring 8 and the positioning groove 14 on one side of the flange plate 1 are positioned on the same axis and fixed through the connecting bolt 7, a gap between the sealing press ring 9 and the sealing U-shaped rubber pad 11 is sealed, the problem that welded rigid connection is easy to damage is avoided, and the service life of the corrugated pipe compensator is prolonged.

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.

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. Compensator for corrugated pipes, comprising a corrugated pipe (10), characterized in that: the one end of bellows (10) and the interior fixed surface connection of go-between (8), one side of go-between (8) is provided with U-shaped groove (12), the internal surface of U-shaped groove (12) and one side joint of sealed U-shaped rubber pad (11), the opposite side of sealed U-shaped rubber pad (11) and the curved surface joint of U-shaped sealing ring (13) one side, the opposite side of U-shaped sealing ring (13) and one side fixed connection of sealed clamping ring (9), the opposite side of sealed clamping ring (9) and the one end threaded connection of connecting bolt (7), the middle part curved surface of connecting bolt (7) and the opposite side joint of go-between (8), the other end of connecting bolt (7) and the interior surface threaded connection of constant head tank (14), constant head tank (14) are seted up in one side of ring flange (1), the surface of ring flange (1) and the one end fixed connection of location ear (3), the other end of location ear (3) cup joints with the curved surface of lead screw (6) one end.

2. A compensator for a bellows according to claim 1, wherein: the number of the screw rods (6) is three, the curved surface at one end of each screw rod (6) is fixedly connected with the inner surface of each limiting ring (5), every two limiting rings (5) are symmetrically distributed at two ends of each screw rod (6), and the number of the limiting rings (5) is six.

3. A compensator for a bellows according to claim 1, wherein: the positioning lugs (3) are six in number, each three group of positioning lugs are uniformly distributed on the outer surface of one flange plate (1), a first nut (2) and a second nut (4) which are the same in specification are arranged on two sides of each positioning lug (3), and the first nut (2) and the second nut (4) are six in number.

4. A compensator for a bellows according to claim 1, wherein: the number of the connecting rings (8) is two, the connecting rings (8) are symmetrically distributed at two ends of the corrugated pipe (10), and the depth of a U-shaped groove (12) formed in one side of each connecting ring (8) is one centimeter.

5. A compensator for a bellows according to claim 1, wherein: the flange plate (1) is symmetrically distributed with two parts, the inner diameter of the flange plate (1) is five centimeters greater than the outer diameter of the U-shaped groove (12), and the inner diameter of the U-shaped groove (12) is one centimeter less than the inner diameter of the sealing press ring (9).

6. A compensator for a bellows according to claim 1, wherein: the number of the connecting bolts (7) is eight, and every four connecting bolts (7) are symmetrically distributed at two ends of the corrugated pipe (10) in a group.