CN212537055U

CN212537055U - Connection compensation bellows of leak hunting system

Info

Publication number: CN212537055U
Application number: CN202020900768.5U
Authority: CN
Inventors: 杨伟龙
Original assignee: Anhui Gadro Industrial Technology Co ltd
Current assignee: Anhui Gadro Industrial Technology Co ltd
Priority date: 2020-05-23
Filing date: 2020-05-23
Publication date: 2021-02-12
Anticipated expiration: 2030-05-23

Abstract

The utility model discloses a connection compensation bellows of leak hunting system, including the bellows body, the both ends of bellows body are provided with first ring flange and second ring flange respectively, and the second ring flange inner ring surveys an organic whole and is connected with the sleeve pipe, the sleeve pipe cup joint in the bellows body outside and with bellows body lateral wall normal running fit, the sleeve pipe is provided with the junction of second ring flange and is annular step groove, and bellows body tip an organic whole is connected with the snap ring, the snap ring block is in the step groove, the snap ring coincides mutually with second ring flange terminal surface. The bolt holes of the bolt holes and the other end metal hard pipe are aligned by rotating the second flange plate, the bolt penetrates through the bolt, the bolt is screwed in the nut from the other end of the bolt, the threaded snap-in force of the bolt and the nut stretches the corrugated pipe, length compensation is carried out between the hard pipes at two ends, due to the rotatable effect of the second flange plate, the bolt holes can be aligned more, and the bolt penetrates through and is screwed more smoothly in the process.

Description

Connection compensation bellows of leak hunting system

Technical Field

The utility model belongs to the technical field of helium leak hunting connecting pipe, especially relate to a connection compensating bellows of leak hunting system.

Background

The helium mass spectrum leak detection method is an ideal method for quickly positioning and quantitatively detecting leaks of various containers needing to be sealed by taking helium as exploration gas according to the principle of mass spectrum analysis, and has no pollution to the atmosphere and safe use because the helium is inert gas; the helium has small atomic weight, small viscosity, easy permeation through any possible leak hole, high detection sensitivity, high speed and wide application range. The box helium leak detection device of vacuum still includes the box that is used for the evacuation, one side of box sets up sealing door, the door includes the frame of a rectangle, the upper and lower both sides of sealing door slide with the upper and lower both sides of frame respectively, the frame corresponds the articulated setting in one side with the box simultaneously, frame and box upset cooperation, in the use when needs close sealing door, move sealing door to corresponding the open position of box along the frame, then start the frame and be close to the box, frame drive sealing door compresses tightly the uncovered position at the box, play the effect of sealed box.

The vacuum chamber during operation needs the evacuation, so that treat detection device gas tightness and leak hunting, the device of evacuation is the vacuum pump, metal pipe and vacuum chamber intercommunication through the rigidity, include two parts here, partly metal pipe and vacuum pump connection, the metal pipe and the vacuum chamber of another part are connected, and because distance and angle are not good to be grasped between the opposite metal pipe, it is used for the compensation to need corrugated metal pipe, the current not problem of bellows elasticity, however the screw of installation back flange is misaligned to lead to the difficult fastening of bolt to screw, force the bolt of screwing to cause the bellows distortion easily, the life-span is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connection compensation bellows of leak hunting system, the screw misalignment of solving installation back flange leads to the bolt very difficult fastening to screw, forces the bolt of screwing to cause the bellows distortion easily and reduce the problem in life-span.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

connection compensation bellows of leak hunting system

The corrugated pipe comprises a corrugated pipe body, wherein a first flange and a second flange are respectively arranged at two ends of the corrugated pipe body, and the first flange is welded with the end part of the corrugated pipe body;

the inner ring side of the second flange plate is integrally connected with a sleeve, the sleeve is sleeved outside the corrugated pipe body and is in rotary fit with the outer side wall of the corrugated pipe body, an annular step groove is formed in the joint of the sleeve and the second flange plate, the end part of the corrugated pipe body is integrally connected with a clamping ring, the clamping ring is clamped in the step groove, and the clamping ring is overlapped with the end face of the second flange plate;

the first flange plate and the second flange plate are provided with a plurality of first bolt holes, bolts are arranged in the first bolt holes, and the bolts are provided with nuts in threaded fit.

Furthermore, the connection compensation corrugated pipe of the leak detection system is characterized in that annular rubber gaskets are arranged on the end faces of the first flange plate and the second flange plate, the rubber gaskets are provided with second bolt holes, and the first bolt holes correspond to the second bolt holes.

Furthermore, the connection compensation corrugated pipe of the leak detection system is characterized in that an annular limiting ridge is arranged on the surface, corresponding to the first flange plate or the second flange plate, of the rubber gasket, and an annular limiting groove is formed in the position, corresponding to the limiting ridge, of the first flange plate or the second flange plate.

Furthermore, the connection compensation corrugated pipe of the leakage detection system is characterized in that an annular groove is formed in the inner side wall of the sleeve, and an annular sliding block is arranged at the position, corresponding to the annular groove, of the end portion of the corrugated pipe body.

The utility model discloses following beneficial effect has:

during the installation, be connected first ring flange and the metal hard tube that corresponds earlier, then make the bolt hole of bolt hole and other end metal hard tube align through rotatory second ring flange, pass the bolt, from the other end screw in nut of bolt, the tensile bellows of screw thread interlock power of bolt and nut carries out length compensation between the hard tube of both ends, because second ring flange rotatable effect, the bolt hole can be more align, and the bolt passes and screws the in-process more smoothly.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

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

FIG. 1: the utility model discloses the structure chart.

FIG. 2: the utility model discloses bellows body and second ring flange installation structure picture.

FIG. 3: the utility model discloses rubber gasket structure picture.

In the drawings, the components represented by the respective reference numerals are listed below:

the corrugated pipe comprises a corrugated pipe body 1, a first flange plate 2, a second flange plate 3, bolts 4, a sleeve 31, a stepped groove 32, a clamping ring 11, a sliding block 12, a first bolt hole 33, a nut 41, a rubber gasket 5, a second bolt hole 51, a limiting edge 52, a limiting groove 34 and an annular groove 35.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1-2: connection compensation bellows of leak hunting system

The corrugated pipe comprises a corrugated pipe body 1, wherein a first flange 2 and a second flange 3 are respectively arranged at two ends of the corrugated pipe body 1, and the first flange 2 is welded with the end part of the corrugated pipe body 1;

the inner ring side of the second flange plate 3 is integrally connected with a sleeve 31, the sleeve 31 is sleeved outside the corrugated pipe body 1 and is in rotary fit with the outer side wall of the corrugated pipe body 1, an annular step groove 32 is formed at the joint of the sleeve 31 and the second flange plate 3, the end part of the corrugated pipe body 1 is integrally connected with a clamping ring 11, the clamping ring 11 is clamped in the step groove 32, and the end faces of the clamping ring 11 and the second flange plate 3 are overlapped;

the first flange plate 2 and the second flange plate 3 are provided with a plurality of first bolt holes 33, bolts 4 are arranged in the first bolt holes 33, and the bolts 4 are provided with nuts 41 in threaded fit.

The utility model discloses in, the second ring flange cup joints at this end of body of bellows through the sleeve pipe and can 360 rotations, accepts on the second ring flange for the tip that makes bellows body, sets up the snap ring at the tip of bellows body, simultaneously, for making bellows tip and second ring flange keep level, sets up the step groove at the second ring flange and be used for the bearing snap ring. Therefore, the connecting gap between the second flange plate and the end part of the corrugated pipe can be kept on the end surface of the second flange plate, and the sealing performance is improved.

As shown in fig. 1: the end faces of the first flange plate 2 and the second flange plate 3 are both provided with annular rubber gaskets 5, the rubber gaskets 5 are provided with second bolt holes 51, and the first bolt holes 33 correspond to the second bolt holes 51.

As shown in fig. 1 and 3: the rubber gasket 5 is provided with an annular limiting edge 52 corresponding to the contact surface of the first flange 2 or the second flange 3, and the first flange 2 or the second flange 3 is provided with an annular limiting groove 34 corresponding to the limiting edge 52. The quick spacing rubber gasket of being convenient for prevents rubber gasket offset in the installation.

As shown in fig. 2: the inner side wall of the sleeve 31 is provided with an annular groove 35, and the end of the corrugated pipe body 1 corresponding to the annular groove 35 is provided with an annular slide block 12. The slider is used for the stable rotation of second ring flange on the one hand, is used for block second ring flange simultaneously, prevents the axial displacement of second ring flange in bellows body.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A connection compensation bellows of leak hunting system which characterized in that:

the corrugated pipe comprises a corrugated pipe body (1), wherein a first flange (2) and a second flange (3) are respectively arranged at two ends of the corrugated pipe body (1), and the first flange (2) is welded with the end part of the corrugated pipe body (1);

the inner ring of the second flange plate (3) is integrally connected with a sleeve (31), the sleeve (31) is sleeved on the outer side of the corrugated pipe body (1) and is in rotary fit with the outer side wall of the corrugated pipe body (1), an annular step groove (32) is formed in the joint of the sleeve (31) and the second flange plate (3), a clamping ring (11) is integrally connected to the end part of the corrugated pipe body (1), the clamping ring (11) is clamped in the step groove (32), and the end face of the clamping ring (11) is overlapped with the end face of the second flange plate (3);

the first flange plate (2) and the second flange plate (3) are provided with a plurality of first bolt holes (33), bolts (4) are arranged in the first bolt holes (33), and nuts (41) in threaded fit are arranged on the bolts (4).

2. A joint compensation bellows for a leak detection system as defined in claim 1, wherein: the end faces of the first flange plate (2) and the second flange plate (3) are respectively provided with an annular rubber gasket (5), the rubber gasket (5) is provided with a second bolt hole (51), and the first bolt hole (33) corresponds to the second bolt hole (51).

3. A joint compensation bellows for a leak detection system as defined in claim 2, wherein: the rubber gasket (5) is provided with an annular limiting edge (52) corresponding to the surface, attached to the first flange (2) or the second flange (3), of the rubber gasket, and annular limiting grooves (34) are formed in the positions, corresponding to the limiting edge (52), of the first flange (2) or the second flange (3).

4. A joint compensation bellows for a leak detection system as defined in claim 1, wherein: the corrugated pipe is characterized in that an annular groove (35) is formed in the inner side wall of the sleeve (31), and an annular sliding block (12) is arranged at the position, corresponding to the annular groove (35), of the end portion of the corrugated pipe body (1).