CN214999883U

CN214999883U - Vacuum flow guide device with leakage-proof structure

Info

Publication number: CN214999883U
Application number: CN202023235900.4U
Authority: CN
Inventors: 谢斌; 郑卫; 郑刚; 黄泓清
Original assignee: Jiangsu Huayi Ship Co ltd
Current assignee: Jiangsu Huayi Ship Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-12-03
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to a vacuum water conservancy diversion technical field discloses a vacuum guiding device with leak protection structure, including water conservancy diversion body, seal assembly and locating component, the annular heavy groove has all been seted up on the inside wall at water conservancy diversion body both ends, just all install in the annular heavy groove seal assembly, equidistant welding has the pin rod on the lateral wall of water conservancy diversion body, just pin rod position department the water conservancy diversion body outside all overlaps and is equipped with locating component. The utility model discloses not only slip embedding cermet pipe in the annular heavy groove at water conservancy diversion body both ends for the smooth butt joint of inner wall of kneck, and make the tip in close contact with of high temperature resistant packing ring and water conservancy diversion body, thereby strengthened the antiseep effect of kneck greatly, establish a plurality of locating component through the fixed cover in the outside of water conservancy diversion body moreover and carry out elastic clamping, carry out elastic buffer, spacing to the water conservancy diversion body, thereby ensure the stability of water conservancy diversion body during operation.

Description

Vacuum flow guide device with leakage-proof structure

Technical Field

The utility model relates to a vacuum water conservancy diversion technical field specifically is a vacuum water conservancy diversion device with leak protection structure.

Background

A vacuum degassing furnace is one of the most common smelting equipment, and a molten steel tank is generally sealed in the vacuum degassing furnace by a vacuum cover truck and a vacuum tank pit for vacuumizing treatment. In the process, the hidden danger of molten steel overflow usually exists, so that the molten steel is required to be timely led out by adopting a special vacuum diversion pipeline.

However, in the actual use process, the conventional flange butt joint mode is generally adopted at the joint of the existing vacuum diversion pipeline, and due to the lack of a stable external positioning mechanism, the pipeline and the flange joint are easy to shake and wear under the impact action of internal molten steel along with the extension of the service time, so that the stability of molten steel conveying is influenced, and the deformation or leakage at the joint can be caused. Accordingly, one skilled in the art has provided a vacuum deflector having a leakage prevention structure to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vacuum guiding device with leak protection structure to solve the problem that proposes 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 vacuum guiding device with leak protection structure, includes water conservancy diversion body, seal assembly and locating component, annular heavy groove has all been seted up on the inside wall at water conservancy diversion body both ends, just all install in the annular heavy groove seal assembly, equidistant welding has the pin rod on the lateral wall of water conservancy diversion body, just pin rod position department the water conservancy diversion body outside all overlaps and is equipped with locating component.

As a further aspect of the present invention: both ends of the diversion pipe body are of flange structures.

As a further aspect of the present invention: the sealing component comprises a metal ceramic pipe, a high-temperature-resistant gasket and a through hole, one end of the metal ceramic pipe is slidably embedded in the annular sinking groove, the middle of the metal ceramic pipe is sleeved with the high-temperature-resistant gasket, and the high-temperature-resistant gasket is in close contact with the end part of the flow guide pipe body.

As a further aspect of the present invention: the inner diameter of the metal ceramic pipe is equal to that of the flow guide pipe body, and the outer diameter of the metal ceramic pipe is equal to that of the annular sinking groove.

As a further aspect of the present invention: the positioning assembly comprises a rubber jacket, a pin hole, a circular ring, bosses and a connecting pair, the pin hole is formed in the center of the bottom of the rubber jacket, the pin rod and the pin hole are mutually nested to form a limiting structure, the circular ring is arranged in the center of the top of the rubber jacket, the two bosses are vertically arranged on one side of the rubber jacket, and the bosses are mutually connected through the connecting pair.

As a further aspect of the present invention: the rubber jacket is of a G-shaped structure, and the inner side wall of the rubber jacket and the outer side wall of the ring are elastically abutted against the outer side wall of the flow guide pipe body.

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

1. annular sinking grooves are formed in flange-type structures at two ends of the flow guide pipe body and are used for being embedded into the metal ceramic pipe in a sliding mode, so that the inner walls of the flow guide pipe body and the metal ceramic pipe are in smooth butt joint, the high-temperature-resistant gasket is in close contact with the end portion of the flow guide pipe body, and similarly, the high-temperature-resistant gasket is in butt joint with an external pipeline, and therefore the anti-leakage effect at the joint is greatly enhanced;

2. a plurality of locating components are arranged at equal intervals in the outer side of the flow guide pipe body in a sleeved mode, wherein the flow guide pipe body is nested and limited through pin rods and pin holes in the bottom of the rubber jacket, deviation is avoided, two bosses are locked through a connecting pair, the flow guide pipe body is elastically clamped by the rubber jacket and the ring, finally the ring is used for hanging and pulling, when the flow guide pipe body is collided or impacted, elastic buffering and limiting can be carried out on the flow guide pipe body, and stability of the flow guide pipe body during operation is guaranteed.

Drawings

FIG. 1 is a perspective view of a vacuum diversion apparatus with a leak-proof structure;

FIG. 2 is an enlarged perspective view of a sealing assembly of a vacuum guiding device with a leak-proof structure;

fig. 3 is an enlarged perspective view of a positioning assembly of a vacuum diversion apparatus with a leakage-proof structure.

In the figure: 1. a flow guide pipe body; 2. an annular sinking groove; 3. a seal assembly; 301. a cermet tube; 302. a high temperature resistant gasket; 303. a through hole; 4. a pin rod; 5. a positioning assembly; 501. a rubber jacket; 502. a pin hole; 503. a circular ring; 504. a boss; 505. and (4) connecting pairs.

Detailed Description

Please refer to fig. 1-3, in an embodiment of the present invention, a vacuum diversion device with a leakage-proof structure, includes a diversion pipe body 1, a sealing assembly 3 and a positioning assembly 5, wherein an annular sinking groove 2 has been all provided on the inner side wall at both ends of the diversion pipe body 1, and the sealing assembly 3 is all installed in the annular sinking groove 2, a pin rod 4 is welded on the outer side wall of the diversion pipe body 1 at an equal interval, and the diversion pipe body 1 outside of the pin rod 4 is all sleeved with the positioning assembly 5.

In fig. 1 and 2: both ends of the guide pipe body 1 are in flange structures, so that bolt butt joint is facilitated; the sealing component 3 comprises a metal ceramic pipe 301, a high-temperature-resistant gasket 302 and a through hole 303, one end of the metal ceramic pipe 301 is slidably embedded in the annular sinking groove 2, the middle part of the metal ceramic pipe 301 is sleeved with the high-temperature-resistant gasket 302, and the high-temperature-resistant gasket 302 is tightly contacted with the end part of the flow guide pipe body 1 and used for enhancing the sealing property; the inner diameter of the metal ceramic pipe 301 is equal to that of the guide pipe body 1, and the outer diameter of the metal ceramic pipe 301 is equal to that of the annular sinking groove 2, so that the inner walls of the guide pipe body 1 and the metal ceramic pipe 301 are smoothly butted, and a gap is avoided;

in fig. 1 and 3: the positioning assembly 5 comprises a rubber jacket 501, a pin hole 502, a circular ring 503, a boss 504 and a connecting pair 505, the pin hole 502 is formed in the center of the bottom of the rubber jacket 501, the pin rod 4 and the pin hole 502 are mutually nested to form a limiting structure, the circular ring 503 is arranged in the center of the top of the rubber jacket 501, two bosses 504 are vertically arranged on one side of the rubber jacket 501, and the bosses 504 are mutually connected through the connecting pair 505, so that the external elastic clamping and hoisting are facilitated; the rubber jacket 501 is of a G-shaped structure, and the inner sidewall of the rubber jacket 501 and the outer sidewall of the ring 503 are elastically abutted against the outer sidewall of the fluid guiding pipe body 1 for buffering and shock absorption.

The utility model discloses a theory of operation is: firstly, annular sinking grooves 2 are formed in flange-type structures at two ends of a flow guide pipe body 1 and are used for being embedded into a metal ceramic pipe 301 in a sliding mode, so that the inner walls of the flow guide pipe body 1 and the metal ceramic pipe 301 are in smooth butt joint, gaps are avoided, a high-temperature-resistant gasket 302 is in close contact with the end portion of the flow guide pipe body 1, similarly, the other section of the metal ceramic pipe 301 is in embedded butt joint with an external pipeline, and finally, a through hole 303 is correspondingly locked with the flange-type structures through bolts, so that the anti-leakage effect at the interface is greatly enhanced;

subsequently, a plurality of positioning assemblies 5 are arranged on the outer side of the guide pipe body 1 in an equidistant sleeving mode, wherein the guide pipe body 1 is nested and limited with a pin hole 502 in the bottom of a rubber jacket 501 through a pin rod 4, deviation is avoided, two bosses 504 are locked by a connecting pair 505, the guide pipe body 1 is elastically clamped by the rubber jacket 501 and a circular ring 503, and finally the circular ring 503 is used for hoisting.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a vacuum guiding device with leak protection structure, includes water conservancy diversion body (1), seal assembly (3) and locating component (5), its characterized in that, annular heavy groove (2) have all been seted up on the inside wall at water conservancy diversion body (1) both ends, just all install in annular heavy groove (2) seal assembly (3), equidistant welding has pin rod (4) on the lateral wall of water conservancy diversion body (1), just pin rod (4) position department the water conservancy diversion body (1) outside all overlaps and is equipped with locating component (5).

2. The vacuum diversion device with a leakproof structure as claimed in claim 1, wherein both ends of the diversion pipe body (1) are flange-shaped.

3. The vacuum flow guide device with the leakage-proof structure is characterized in that the sealing assembly (3) comprises a metal ceramic tube (301), a high-temperature-resistant gasket (302) and a through hole (303), one end of the metal ceramic tube (301) is slidably embedded in the annular sinking groove (2), the high-temperature-resistant gasket (302) is sleeved in the middle of the metal ceramic tube (301), and the high-temperature-resistant gasket (302) is in close contact with the end part of the flow guide tube body (1).

4. A vacuum deflector with a leak-proof structure, as claimed in claim 3, wherein the cermet tube (301) has an inner diameter equal to the inner diameter of the deflector tube body (1), and the cermet tube (301) has an outer diameter equal to the inner diameter of the annular sink (2).

5. The vacuum flow guide device with the leakage-proof structure is characterized in that the positioning assembly (5) comprises a rubber jacket (501), a pin hole (502), a circular ring (503), a boss (504) and a connecting pair (505), the pin hole (502) is formed in the center of the bottom of the rubber jacket (501), the pin rod (4) and the pin hole (502) are nested with each other to form a limiting structure, the circular ring (503) is arranged in the center of the top of the rubber jacket (501), two bosses (504) are vertically arranged on one side of the rubber jacket (501), and the bosses (504) are connected with each other through the connecting pair (505).

6. The vacuum diversion device with a leakproof structure as claimed in claim 5, wherein the rubber jacket (501) is of a "G" shape, and the inner side wall of the rubber jacket (501) and the outer side wall of the ring (503) are elastically abutted against the outer side wall of the diversion pipe body (1).