CN215731478U - External linkage internal vacuum corrugated pipe capable of insulating through shaft - Google Patents
External linkage internal vacuum corrugated pipe capable of insulating through shaft Download PDFInfo
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- CN215731478U CN215731478U CN202122108736.9U CN202122108736U CN215731478U CN 215731478 U CN215731478 U CN 215731478U CN 202122108736 U CN202122108736 U CN 202122108736U CN 215731478 U CN215731478 U CN 215731478U
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- corrugated pipe
- lining
- bellows
- internal vacuum
- shaft
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Abstract
The utility model discloses a corrugated pipe which is externally connected with an internal vacuum and can insulate a through shaft, which relates to the technical field of corrugated pipe equipment and comprises the following components: the corrugated pipe is of a hollow structure; the corrugated pipe comprises a corrugated pipe body, a plurality of lining pieces and a plurality of connecting pieces, wherein the plurality of lining pieces are uniformly distributed in the corrugated pipe body; the connecting lugs are annular, and the number of the connecting lugs is the same as that of the lining pieces; and the right side surface of the welding flange is welded with the left side end of the corrugated pipe. The corrugated pipe is characterized in that a plurality of lining parts are uniformly arranged inside the corrugated pipe and connected with the corrugated pipe through connecting lugs, the corrugated pipe is compressed by extrusion when equipment works, the lining parts move along with the corrugated pipe in the compression process, and the corrugated pipe does not twist due to short size when being compressed between the lining parts connected with each other because the corrugated pipe has certain rigidity, so that the corrugated pipe can be prevented from twisting during movement.
Description
Technical Field
The utility model relates to the technical field of corrugated pipe equipment, in particular to a corrugated pipe which is externally connected with an internal vacuum and can insulate a through shaft.
Background
The metal corrugated pipe is characterized in that the metal corrugated pipe can generate corresponding displacement under the action of pressure, axial force, transverse force or bending moment, and has pressure resistance, vacuum tightness, corrosion resistance, temperature stability and long service life, so the metal corrugated pipe is applied in many industrial fields, the change of the inner cavity (or external) volume of the corrugated pipe in the displacement process can be used for temperature control and temperature measurement, such as vacuum sealing in a vacuum switch, a main contact of the vacuum switch is positioned in the vacuum arc-extinguishing chamber, the corrugated pipe is a key element in the vacuum arc-extinguishing chamber, the mechanical force can be used for moving the movable contact from the outside of the vacuum arc-extinguishing chamber only after the metal corrugated pipe is adopted, the shell of the vacuum arc-extinguishing chamber can be kept completely sealed, the corrugated pipe can also be used as a valve sealing and isolating element, such as a stop valve, a throttle valve, a regulating valve, a pressure reducing valve and the like, the bellows is a packless, sealed, isolating element that acts as a valve stem. During the working process of the valve, the corrugated pipe and the valve rod carry out axial displacement and reset together.
The bellows carries out the in-process of using in each field, and the bellows of general application has fine elasticity and leakproofness, but in the application of reality, if the size that the bellows used is great, the bellows can produce distortion and deformation at the bellows in compression process, even with the contact of the inside part of bellows, when causing very big influence to the life of bellows, influences the normal use of equipment.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the corrugated pipe which is externally connected with the internal vacuum and can insulate the through shaft is provided, and the technical scheme solves the problems that the corrugated pipe proposed in the background technology is twisted and deformed in the using process.
In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:
a bellows externally linked to an internal vacuum and capable of insulating a through shaft, comprising:
the corrugated pipe is of a hollow structure;
the corrugated pipe comprises a corrugated pipe body, a plurality of lining pieces and a plurality of connecting pieces, wherein the plurality of lining pieces are uniformly distributed in the corrugated pipe body;
the connecting lugs are annular, and the number of the connecting lugs is the same as that of the lining pieces;
the right side surface of the welding flange is welded with the left side end of the corrugated pipe;
the first equipment connecting flange is provided with a telescopic hole.
Preferably, the inner side surface of the connecting lug is fixedly connected with the outer side surface of the lining piece.
Preferably, the lining member is made of a tetrafluoro material.
Preferably, the connecting convex block is fixedly connected with a concave surface of the inner diameter of the corrugated pipe.
Preferably, the corrugated pipe is located in a telescopic hole, and the inner diameter of the telescopic hole is slightly larger than the outer diameter of the corrugated pipe.
Preferably, the outer side surface of the welding flange is fixedly connected with the left end of the inner surface of the telescopic hole.
Preferably, the right end of the corrugated pipe is fixedly connected with a second equipment connecting flange, and the second equipment connecting flange is connected with a shaft tube in a sliding mode.
Preferably, the shaft tube is connected with the lining part and the welding flange in a sliding mode.
The utility model provides a corrugated pipe which is externally connected with an internal vacuum and can insulate a through shaft, and the corrugated pipe has the following beneficial effects:
according to the corrugated pipe, the lining parts are uniformly arranged in the corrugated pipe and are connected with the corrugated pipe through the connecting bumps, the corrugated pipe is compressed by extrusion when equipment works, the lining parts move along with the corrugated pipe in the compression process, and the corrugated pipe is short in size and free of distortion when the corrugated pipe between the connected lining parts is compressed, so that the corrugated pipe can be prevented from being distorted in movement, normal work of parts on the inner wall of the corrugated pipe is prevented from being influenced by distortion, and the lining parts are made of tetrafluoro materials, and the electric conduction between the corrugated pipe and the shaft pipe can be effectively prevented by utilizing the insulativity of the tetrafluoro materials.
Drawings
FIG. 1 is a schematic cross-sectional view of a bellows externally linked to an internal vacuum and capable of insulating a through shaft in accordance with the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at B;
FIG. 3 is a schematic cross-sectional view taken at A in FIG. 1;
fig. 4 is a perspective view of the lining member of the present invention.
The reference numbers in the figures are:
1. a bellows; 2. welding a flange; 3. a first equipment connecting flange; 4. a second equipment connecting flange; 5. a lining member; 6. an axle tube; 7. and connecting the bumps.
Detailed Description
The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 1-4, a bellows externally linked to an internal vacuum and capable of insulating a through-shaft, comprising:
the corrugated pipe 1 is of a hollow structure, the right end of the corrugated pipe 1 is fixedly connected with an equipment connecting flange II 4, the equipment connecting flange II 4 is connected with one end of external equipment, an equipment connecting flange I3 is connected with the other end of the external equipment, the equipment connecting flange II 4 is connected with a shaft pipe 6 in a sliding manner, and the shaft pipe 6 is connected with a lining part 5 and a welding flange 2 in a sliding manner;
when the corrugated pipe 1 is compressed when one end of the device moves towards the other end in use, the lining piece 5 supports the corrugated pipe 1 through the connecting lug 7 when the corrugated pipe 1 is compressed, and the corrugated pipe 1 is prevented from being distorted and deformed in the compression process.
The corrugated pipe comprises a corrugated pipe 1, lining parts 5, wherein the lining parts 5 are arranged in number, the lining parts 5 are uniformly distributed in the corrugated pipe 1, the lining parts 5 are made of tetrafluoro materials, and the insulation property of the tetrafluoro materials is utilized to ensure that the corrugated pipe 1 is not conductive with the interior of the corrugated pipe 1 in the compression process, so that the conditions that one end of equipment needs to move to the other end of the equipment in a vacuum state and needs to be insulated can be met;
the connecting lug 7 is annular, the number of the connecting lugs 7 is the same as that of the lining piece 5, the inner side surface of each connecting lug 7 is fixedly connected with the outer side surface of the lining piece 5, the connecting lug 7 is fixedly connected with the concave surface of the inner diameter of the corrugated pipe 1, and the lining piece 5 is driven to slide on the shaft pipe 6 through the connecting lugs 7 when the corrugated pipe 1 is compressed;
the right side surface of the welding flange 2 is welded with the left side end of the corrugated pipe 1;
the equipment connecting flange 3 is provided with a telescopic hole on the equipment connecting flange 3, the corrugated pipe 1 is positioned in the telescopic hole, the inner diameter of the telescopic hole is slightly larger than the outer diameter of the corrugated pipe 1, and the outer side surface of the welding flange 2 is fixedly connected with the left end of the inner surface of the telescopic hole.
The working principle and the using process of the utility model are as follows:
when using, with one 3 fixed connection of equipment flange at the one point of equipment, the other end fixed connection of two 4 and equipment of equipment flange, when the one end of equipment moves to the other end, bellows 1 compresses after receiving the extrusion, when compressing bellows 1 and moving, bellows 1 drives interior lining part 5 through connecting bump 7 and slides on central siphon 6, interior lining part 5 adopts the tetrafluoro material, when bellows 1 compresses, interior lining part 5 not only plays the effect of supporting bellows 1, also rely on self insulating characteristic simultaneously, satisfy equipment one end to the other end needs to move under vacuum state and the condition that needs to insulate.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. A bellows externally linked to an internal vacuum and capable of insulating a through shaft, comprising:
the corrugated pipe (1), the corrugated pipe (1) is a hollow structure;
the corrugated pipe comprises a corrugated pipe body (1), and lining pieces (5), wherein a plurality of lining pieces (5) are arranged on each lining piece (5), and the lining pieces (5) are uniformly distributed in the corrugated pipe body (1);
the connecting lugs (7) are annular, and the number of the connecting lugs (7) is the same as that of the lining pieces (5);
the right side surface of the welding flange (2) is welded with the left side end of the corrugated pipe (1);
the equipment connecting flange I (3) is provided with a telescopic hole.
2. A bellows for external linkage of internal vacuum and possible insulation of through shaft according to claim 1, characterized by: the inner side surface of the connecting lug (7) is fixedly connected with the outer side surface of the lining part (5).
3. A bellows for external linkage of internal vacuum and possible insulation of through shaft according to claim 1, characterized by: the lining part (5) is made of tetrafluoro material.
4. A bellows for external linkage of internal vacuum and possible insulation of through shaft according to claim 1, characterized by: the connecting lug (7) is fixedly connected with the concave surface of the inner diameter of the corrugated pipe (1).
5. A bellows for external linkage of internal vacuum and possible insulation of through shaft according to claim 1, characterized by: the corrugated pipe (1) is positioned in the telescopic hole, and the inner diameter of the telescopic hole is slightly larger than the outer diameter of the corrugated pipe (1).
6. A bellows for external linkage of internal vacuum and possible insulation of through shaft according to claim 1, characterized by: the outer side surface of the welding flange (2) is fixedly connected with the left end of the inner surface of the telescopic hole.
7. A bellows for external linkage of internal vacuum and possible insulation of through shaft according to claim 1, characterized by: the right end fixedly connected with equipment flange two (4) of bellows (1), equipment flange two (4) sliding connection has central siphon (6).
8. A bellows for external linkage of internal vacuum and possible insulation of through shaft according to claim 7, characterized by: the shaft tube (6) is connected with the lining piece (5) and the welding flange (2) in a sliding way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122108736.9U CN215731478U (en) | 2021-09-02 | 2021-09-02 | External linkage internal vacuum corrugated pipe capable of insulating through shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122108736.9U CN215731478U (en) | 2021-09-02 | 2021-09-02 | External linkage internal vacuum corrugated pipe capable of insulating through shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215731478U true CN215731478U (en) | 2022-02-01 |
Family
ID=80011751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122108736.9U Active CN215731478U (en) | 2021-09-02 | 2021-09-02 | External linkage internal vacuum corrugated pipe capable of insulating through shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215731478U (en) |
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2021
- 2021-09-02 CN CN202122108736.9U patent/CN215731478U/en active Active
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