CN219198465U - Novel rotary sealing connection device - Google Patents
Novel rotary sealing connection device Download PDFInfo
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- CN219198465U CN219198465U CN202320613478.6U CN202320613478U CN219198465U CN 219198465 U CN219198465 U CN 219198465U CN 202320613478 U CN202320613478 U CN 202320613478U CN 219198465 U CN219198465 U CN 219198465U
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Abstract
The utility model relates to the technical field of gas rotary sealing connection, in particular to a novel rotary sealing connection device, which comprises a first connecting pipe and a second connecting pipe which can be mutually sleeved, wherein a sealing mechanism is arranged between the first connecting pipe and the second connecting pipe, so that internal medium leakage cannot be caused when the first connecting pipe and the second connecting pipe rotate mutually; the sealing mechanism comprises a baffle ring, a sealing ring and a flange which are sleeved on the side wall of the second connecting pipe, and the flange is fixedly connected with the end part of the first connecting pipe. Compared with the rotary sealing connecting device widely used at present or directly adopting a metal hose, the device has the advantages of small volume, light weight, simple and convenient installation, no dust accumulation, tight sealing, low manufacturing cost, less maintenance, long service life and the like.
Description
Technical Field
The utility model relates to the technical field of gas rotary sealing connection, in particular to a novel rotary sealing connection device.
Background
In the production of steel (iron), steel (iron) ladles, tundish are used in steel plants, iron works, foundry plants and important equipment for carrying out operations on steel (iron) water in front of an open hearth furnace, an electric furnace or a converter, which must be baked as necessary before the completion of the production or the carrying of the steel (iron) water.
The baking device has various modes, wherein the baking mode of vertical turnover (0-90 degrees) is the common use technology of the baking device of domestic steel (iron) water bags and middle bags at present, and the normal-temperature gas medium (gas and combustion air) required by baking is also conveyed by adopting a rotary sealing connecting device.
The traditional rotary sealing connecting device mostly adopts graphite packing as sealing material, but because the graphite packing does not have the characteristics of high temperature resistance and the like as the sealing material, the graphite packing is easily damaged after being used for a period of time, and the adopted measures are that manual compaction or direct replacement are needed, so that the production cost is increased intangibly.
In addition, with the successful application of the high-efficiency energy-saving heat-accumulating combustion technology in vertical steel (iron) water bags and tundish baking devices, normal-temperature coal gas and combustion air are conveyed through a rotary sealing connecting device, and flue gas with the average temperature of about 150 ℃ is also required to be connected with a draught fan through the rotary connecting device for heat accumulation and discharge, at present, the common adopted measure is to connect and convey the flue gas through a metal hose, but after the metal hose is used for a long time, the situation that cracks or fractures occur at defect positions possibly caused by fatigue and the like is caused.
The two schemes have defects, if the sealing material is damaged or the metal hose is fatigued and broken in the working process to cause gas leakage in the pipeline, the working progress is affected, and potential safety hazards can be brought to operators.
Therefore, a new technical solution is urgently needed to solve the above-mentioned existing technical problems.
Disclosure of Invention
The utility model aims to solve the problems of the prior art, and provides a novel rotary sealing connection device which is used for solving the technical problems that the graphite packing used as a sealing material is not high-temperature resistant, and a metal hose is easy to crack or break due to fatigue, so that gas in a pipeline is leaked, the working progress is influenced, and potential safety hazards are brought to operators.
The above purpose is realized by the following technical scheme:
the novel rotary sealing connecting device comprises a first connecting pipe and a second connecting pipe which can be mutually sleeved, wherein a sealing mechanism is arranged between the first connecting pipe and the second connecting pipe, so that internal medium leakage cannot be caused when the first connecting pipe and the second connecting pipe mutually rotate; the sealing mechanism comprises a baffle ring, a sealing ring and a flange which are sleeved on the side wall of the second connecting pipe, and the flange is fixedly connected with the end part of the first connecting pipe.
Further, the sealing mechanism further comprises an annular right-angle groove formed in the inner wall of the first connecting pipe, and the baffle ring can be abutted against the bottom edge of the annular right-angle groove.
Further, the flange is I-shaped and comprises a material pressing ring, a supporting ring and an external ring which are connected with each other, the inner ring side wall of the material pressing ring is sleeved with the outer wall of the second connecting pipe, and the outer ring side wall of the material pressing ring is abutted against the inner wall of the annular right-angle groove; the external ring is connected with the first connecting pipe through bolts.
Further, a plurality of first bolt holes are formed in the side edge of the first connecting pipe, a plurality of second bolt holes are correspondingly formed in the external connecting ring, and the bolts penetrate through the second bolt holes and then are connected with the first bolt holes, so that the flange is fixed with the first connecting pipe.
Further, the outer diameter of the external connection ring is larger than the inner diameter of the first connecting pipe, the inner diameter of the annular right-angle groove is larger than the outer diameter of the material pressing ring, and the outer diameter of the supporting ring is larger than the outer diameter of the supporting ring.
Further, the sealing ring is arranged between the baffle ring and the pressing ring, and the outer ring side wall of the sealing ring is abutted against the inner wall of the annular right-angle groove.
Further, the sealing ring is a V-shaped sealing ring.
Further, the first connecting pipe is a fixed pipe, and the second connecting pipe is a movable rotary pipe.
Further, the first connecting pipe is a movable rotating pipe, and the second connecting pipe is a fixed pipe correspondingly.
Further, the other end of the first connecting pipe or the second connecting pipe is fixedly connected with the outer pipe.
Advantageous effects
The novel rotary sealing connecting device provided by the utility model has the advantages that when the baking devices such as the vertical steel ladle and the like rotate for 0-90 degrees through the rotating shaft so as to realize the switching between a flat working state or a lifting non-working state, gas media (such as gas, air or smoke) can be respectively and safely conveyed through the rotary sealing connecting device provided by the scheme, and compared with the rotary sealing connecting device widely used at present or directly adopting a metal hose, the novel rotary sealing connecting device has the advantages of small volume, light weight, simplicity and convenience in installation, no dust accumulation, tight sealing, low manufacturing cost, less maintenance, long service life and the like.
Drawings
FIG. 1 is a cross-sectional view of a novel rotary seal connection according to the present utility model;
FIG. 2 is a cross-sectional view of a seal ring of the novel rotary seal connection of the present utility model;
fig. 3 is a schematic working diagram of a novel rotary seal connection device according to the present utility model.
The graphic indicia:
1-first connecting pipe, 2-second connecting pipe, 3-baffle ring, 4-sealing ring, 5-flange, 6-annular right-angle groove, 7-bolt, 8-first bolt hole, 9-second bolt hole, 10-swage ring, 11-support ring, 12-external ring.
Detailed Description
The utility model is described in further detail below with reference to the figures and examples.
As shown in fig. 1 and 3, a novel rotary sealing connection device comprises a first connecting pipe 1 and a second connecting pipe 2 which can be mutually sleeved, wherein a sealing mechanism is arranged between the first connecting pipe 1 and the second connecting pipe 2, so that a channel for medium circulation can be provided after the first connecting pipe 1 and the second connecting pipe 2 are mutually sleeved, and internal medium leakage can not be caused when the first connecting pipe and the second connecting pipe are mutually rotated.
Specifically, the sealing mechanism comprises a baffle ring 3, a sealing ring 4 and a flange 5 which are sleeved on the side wall of the second connecting pipe 2, and the flange 5 is fixedly connected with the end part of the first connecting pipe 1.
The sealing mechanism further comprises an annular right-angle groove 6 formed in the inner wall of the first connecting pipe 1, and the baffle ring 3 can be abutted against the bottom edge of the annular right-angle groove 6 and can be used for effectively limiting the baffle ring 3.
The flange 5 in this embodiment is i-shaped, and includes a pressing ring 10, a supporting ring 11 and an external ring 12 that are connected with each other, and their connection forms are: the inner ring side wall of the material pressing ring 10 is sleeved with the outer wall of the second connecting pipe 2, and the outer ring side wall of the material pressing ring 10 is abutted against the inner wall of the annular right-angle groove 6.
The external ring 12 is connected with the first connecting pipe 1 through bolts 7.
Specifically, a plurality of first bolt holes 8 are formed in the side edge of the first connecting pipe 1, a plurality of second bolt holes 9 are correspondingly formed in the external ring 12, and the bolts 7 penetrate through the second bolt holes 9 and then are connected with the first bolt holes 8, so that the flange 5 is fixed with the first connecting pipe 1. At this time, the sealing ring 4 is disposed between the baffle ring 3 and the pressing ring 10, and the outer ring side wall of the sealing ring 4 abuts against the inner wall of the annular right-angle groove 6.
In this embodiment, as shown in fig. 2, the sealing ring 4 is stressed around, and includes the pressure applied by the baffle ring 3 and the flange 5, so that the sealing ring can be tightly attached to the space between the outer wall of the second connecting tube 2 and the inner wall of the annular right-angle groove 6, thereby forming a seal and effectively blocking the contact between the inside and the outside of the connecting tube.
In this embodiment, the seal ring 4 is preferably a V-shaped seal ring, which is an elastic rubber seal ring that acts axially and is used as a pressureless seal for the rotating shaft. The sealing lip has good mobility and adaptability, can compensate larger tolerance and angle deviation, can prevent internal grease or oil from leaking outwards, and can also prevent external splash or dust from invading.
As an optimization of the components in the sealing mechanism, the outer diameter of the external ring 12 > the inner diameter of the first connecting pipe 1 > the inner diameter of the annular right-angle groove 6 > the outer diameter of the material pressing ring 10 > the outer diameter of the supporting ring 11.
It should be noted that, in this embodiment, when the first connection pipe 1 is a fixed pipe, the second connection pipe 2 is a movable rotating pipe; when the first connecting pipe 1 is a movable rotating pipe, the second connecting pipe 2 is a fixed pipe.
The other end of the first connecting pipe 1 or the second connecting pipe 2 is fixedly connected with the outer pipe.
As an alternative to the material of the first connection piece 1 or the second connection piece 2, a metal tube or a rigid plastic tube can be used.
While the utility model has been described with respect to the preferred embodiments, it is to be understood that the utility model is not limited thereto, but is capable of modification and substitution within the spirit and scope of the utility model as will be apparent to those skilled in the art. Therefore, the protection scope of the present utility model should be subject to the claims.
Claims (10)
1. The novel rotary sealing connecting device is characterized by comprising a first connecting pipe and a second connecting pipe which can be mutually sleeved, wherein a sealing mechanism is arranged between the first connecting pipe and the second connecting pipe, so that internal medium leakage can not be caused when the first connecting pipe and the second connecting pipe mutually rotate; the sealing mechanism comprises a baffle ring, a sealing ring and a flange which are sleeved on the side wall of the second connecting pipe, and the flange is fixedly connected with the end part of the first connecting pipe.
2. The novel rotary sealing connection device according to claim 1, wherein the sealing mechanism further comprises an annular right-angle groove formed in the inner wall of the first connecting tube, and the baffle ring can abut against the bottom edge of the annular right-angle groove.
3. The novel rotary sealing connection device according to claim 2, wherein the flange is I-shaped and comprises a material pressing ring, a supporting ring and an external ring which are connected with each other, the inner ring side wall of the material pressing ring is sleeved with the outer wall of the second connecting pipe, and the outer ring side wall of the material pressing ring is abutted against the inner wall of the annular right-angle groove; the external ring is connected with the first connecting pipe through bolts.
4. The novel rotary sealing connection device according to claim 3, wherein a plurality of first bolt holes are formed in the side edge of the first connecting pipe, a plurality of second bolt holes are correspondingly formed in the external connection ring, and the bolts penetrate through the second bolt holes and then are connected with the first bolt holes, so that the flange is fixed with the first connecting pipe.
5. A novel rotary seal connection according to claim 3, wherein the external ring has an outer diameter > the inner diameter of the first tube > the inner diameter of the annular right-angle groove > the outer diameter of the swage ring > the outer diameter of the support ring.
6. The novel rotary sealing connection device according to claim 3, wherein the sealing ring is arranged between the baffle ring and the material pressing ring, and the outer ring side wall of the sealing ring is abutted against the inner wall of the annular right-angle groove.
7. The novel rotary seal connection of claim 6, wherein the seal ring is a V-shaped seal ring.
8. The novel rotary seal connection device according to claim 1, wherein the first connection tube is a fixed tube and the second connection tube is a movable rotary tube.
9. The novel rotary seal connection device according to claim 1, wherein the first connection tube is a movable rotary tube, and the second connection tube is a fixed tube.
10. The novel rotary seal connection device according to claim 1, wherein the other end of the first connecting pipe or the second connecting pipe is fixedly connected with the outer pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320613478.6U CN219198465U (en) | 2023-03-27 | 2023-03-27 | Novel rotary sealing connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320613478.6U CN219198465U (en) | 2023-03-27 | 2023-03-27 | Novel rotary sealing connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219198465U true CN219198465U (en) | 2023-06-16 |
Family
ID=86705861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320613478.6U Active CN219198465U (en) | 2023-03-27 | 2023-03-27 | Novel rotary sealing connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219198465U (en) |
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2023
- 2023-03-27 CN CN202320613478.6U patent/CN219198465U/en active Active
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