CN216307012U - Sealing structure, hand-insertion blind plate and gasket - Google Patents
Sealing structure, hand-insertion blind plate and gasket Download PDFInfo
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- CN216307012U CN216307012U CN202123022947.7U CN202123022947U CN216307012U CN 216307012 U CN216307012 U CN 216307012U CN 202123022947 U CN202123022947 U CN 202123022947U CN 216307012 U CN216307012 U CN 216307012U
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Abstract
The utility model relates to a sealing structure, a hand-inserted blind plate and a gasket, wherein the sealing structure comprises a sealing ring groove and a sealing strip, the sealing strip is arranged in the sealing ring groove, the inner side and the outer side of the sealing strip are provided with bosses matched with the sealing ring groove, the outer end surface of the sealing strip protrudes out of the sealing ring groove and is provided with a plurality of grooves concentric with the sealing ring groove, the hand-inserted blind plate comprises a blind plate main body and the sealing structure, the gasket comprises a gasket main body and the sealing structure, the sealing ring groove of the sealing structure is arranged on one side of the blind plate or two sides of the gasket, the sealing strip made of silicon rubber is pressed into the sealing ring groove, the sealing ring groove is provided with the sealing strip to avoid the collision and damage of the sealing structure, and the sealing structure is arranged on the blind plate and the gasket, the deformation of the pressing groove is extruded when the hand-inserted blind plate and the gasket are arranged on a gas pipeline to increase the sealing reliability, thereby effectively avoiding the leakage phenomenon of the hand-inserted blind plate and the gasket when the hand-inserted blind plate and the gasket are arranged on a converter and a blast furnace gas pipeline, thereby eliminating hidden trouble of gas leakage and improving the use safety of the equipment.
Description
Technical Field
The utility model belongs to the technical field of gas pipeline sealing connection, and particularly relates to a sealing structure for a converter and blast furnace gas pipeline hand-inserted blind plate or gasket, and a hand-inserted blind plate and gasket with the sealing structure.
Background
At present, when a gas pipeline valve is replaced and a gas facility is overhauled by a converter and a blast furnace gas related user of an iron and steel enterprise, a hand-plugging blind plate with a gas plug is required to be installed on the gas pipeline, operation is carried out after the purging replacement is qualified, the hand-plugging blind plate is required to be drawn out after the operation is finished, and the hand-plugging blind plate is replaced by a gasket to communicate the pipeline, so that the overhauling reliability and the use safety of the gas pipeline are directly influenced by the tightness of the hand-plugging blind plate or the gasket and the gas pipeline. In the prior art, an iron wire is arranged outside a manual insertion blind plate and a gasket for a converter and a blast furnace gas pipeline, a graphite packing with the specification of 10mm x 10mm is wound on the manual insertion blind plate or the gasket for multiple circles, and then the graphite packing is fixed by a cotton rope or a thin iron wire and the like, so that the manual insertion blind plate or the gasket is sealed with the gas pipeline, and the following defects exist: (1) because the graphite packing is hard in texture and poor in plasticity, the graphite packing fixing material does not have corrosion resistance, and slight gas and gas condensate water leakage is easy to occur after the hand-inserting blind plate and the gasket are installed; (2) the dismouting is loaded down with trivial details and collision appears in the installation of hand blind flange or packing ring, and sealed easy the appearing damages, has the potential safety hazard after the installation, waits urgently for improving.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems, the utility model provides the sealing structure, the hand-inserted blind plate and the gasket, the sealing ring groove is provided with the sealing strip to avoid the collision and damage of the sealing structure, and the sealing structure is arranged on the blind plate and the gasket, so that the phenomena of leakage, leakage and leakage of the hand-inserted blind plate and the gasket in a converter and a blast furnace gas pipeline are effectively avoided, the hidden danger of gas leakage is eliminated, and the use safety of equipment is improved.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a sealing structure, includes the sealing ring groove, by the sealing strip that silicon rubber made, the sealing strip sets up in the sealing ring groove, the sealing strip inboard with the outside be equipped with sealing ring groove complex boss, the outer terminal surface protrusion of sealing strip in the sealing ring groove just is equipped with a plurality of recesses with the concentric setting of sealing ring groove.
Above-mentioned seal structure, preferably, be equipped with first sealed glue between sealed annular inner wall and the sealing strip, boss and sealed annular inner wall interference fit, the sealing strip head end is equipped with first scarf, and the sealing strip tail end is equipped with the second scarf, second scarf and first scarf cooperation are equipped with the sealed glue of second between and.
A hand-inserting blind plate comprises a blind plate main body and the sealing structure, wherein the sealing ring groove is formed in one side of the blind plate.
Above-mentioned hand inserting blind plate, preferably, blind plate main part lateral part is equipped with the lug, be equipped with the lewis hole on the lug.
A gasket comprises a gasket main body and the sealing structure, wherein the sealing ring grooves are concentrically arranged on two sides of the gasket main body.
The gasket is preferably provided with a flange at the side part of the gasket main body.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the sealing ring grooves of the sealing structure are arranged on one side of the blind plate main body or two sides of the gasket main body, the sealing strips made of silicon rubber are pressed into the sealing ring grooves, the bosses are in interference fit with the inner walls of the sealing ring grooves, and the first sealing glue and the second sealing glue are used for realizing tight connection of the sealing strips and the sealing ring grooves, so that the installation is convenient, and the collision damage of the existing sealing structure is avoided.
(2) When the gas pipeline valve is replaced and a gas facility is overhauled, the blind plate is inserted between adjacent gas pipelines, operation is performed after purging and replacement are qualified, the blind plate is removed, the gasket is installed, the sealing strip is connected with the sealing ring groove, the outer end face of the sealing strip protrudes out of the sealing ring groove, and the manual insertion of the blind plate or the gasket extrudes the groove to deform when the manual insertion of the blind plate or the gasket is installed on the gas pipeline, so that the sealing reliability is improved.
In conclusion, the blind plate and the gasket are provided with the sealing structures, so that the phenomena of leakage, leakage and leakage caused by the fact that the blind plate and the gasket are inserted by hands and are arranged on a converter and a blast furnace gas pipeline are effectively avoided, the hidden danger of gas leakage is eliminated, and the use safety of equipment is improved.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of the structure of embodiment 1 of the present invention in a pipeline;
FIG. 2 is an enlarged view of the portion A of FIG. 1;
FIG. 3 is a side view structural diagram of FIG. 1;
FIG. 4 is a structural view of embodiment 1 of the present invention;
FIG. 5 is a schematic structural view in a pipeline according to embodiment 2 of the present invention;
FIG. 6 is an enlarged view of the portion B of FIG. 5;
FIG. 7 is a side view structural view of FIG. 5;
FIG. 8 is a structural view of embodiment 2 of the present invention;
FIG. 9 is a sectional view of the sealing tape of the present invention shown in FIG. 1;
FIG. 10 is a cross-sectional view of the sealing tape of the present invention shown in FIG. 2;
FIG. 11 is a sectional view of the sealing tape of the present invention shown in FIG. 3;
FIG. 12 is a sectional view of the sealing tape of the present invention shown in FIG. 4;
FIG. 13 is a view showing the joining structure of the head end and the tail end of the sealing tape according to the present invention.
In the figure: the sealing structure comprises a blind plate main body 1, a sealing ring groove 21, a sealing strip 22, a boss 23, a groove 24, first sealant 25, a lifting lug 11, a lifting hole 12, a gasket main body 3, a flange 31, a first oblique notch 26, a second oblique notch 27, second sealant 28, a first pipeline 4, a second pipeline 5 and a flange 6.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1:
as shown in fig. 1-4, in order to implement the hand-insertion blind plate according to the preferred embodiment of the present invention, the hand-insertion blind plate includes a blind plate main body 1 and a sealing structure 2, the sealing structure 2 includes a sealing ring groove 21 and a sealing strip 22 made of silicon rubber, the sealing ring groove 21 is disposed on one side of the blind plate main body 1, the sealing strip 22 is disposed in the sealing ring groove 21, bosses 23 engaged with the sealing ring groove 21 are disposed on the inner wall and the outer wall of the sealing strip 22, and the outer end surface of the sealing strip 22 protrudes out of the sealing ring groove 21 and is provided with a plurality of grooves 24 concentrically disposed with the sealing ring groove 21.
According to the embodiment 1, preferably, a first sealant 25 is arranged between the inner wall of the seal ring groove 21 and the seal strip 22, the boss 23 is in interference fit with the inner wall of the seal ring groove 21, the lifting lug 11 is arranged on the side portion of the blind plate main body 1, and the lifting hole 12 is arranged on the lifting lug 11.
Example 2:
as shown in fig. 5-8, in order to implement the gasket according to the preferred embodiment of the present invention, the gasket main body 3 includes a gasket main body 3 and a sealing structure 2, the sealing structure 2 includes a sealing ring groove 21 and a sealing strip 22 made of silicon rubber, the sealing ring groove 21 is disposed on one side of the blind plate main body 1, the sealing strip 22 is disposed in the sealing ring groove 21, bosses 23 engaged with the sealing ring groove 21 are disposed on an inner wall and an outer wall of the sealing strip 22, and an outer end surface of the sealing strip 22 protrudes out of the sealing ring groove 21 and is provided with a plurality of grooves 24 concentrically disposed with the sealing ring groove 21.
According to the embodiment 2, preferably, the first sealant 25 is arranged between the inner wall of the seal ring groove 21 and the sealing strip 22, the boss 23 is in interference fit with the inner wall of the seal ring groove 21, and the side of the gasket main body 3 is provided with the flange 31.
As shown in fig. 9 to 13, according to the above embodiment 1 or 2, preferably, the groove 24 has a cross-sectional shape including a rectangle, a triangle, a trapezoid, or a semicircle; the head end of the sealing strip 22 is provided with a first inclined notch 26, the tail end of the sealing strip 22 is provided with a second inclined notch 27, the second inclined notch 27 is matched with the first inclined notch 26, a second sealant 28 is arranged between the second inclined notch 27 and the first inclined notch 26, and an acute included angle theta between the first inclined notch 26 or the second inclined notch 27 and the end face of the sealing strip 22 is 30-50 degrees.
The assembly process and effect of the above embodiments 1 and 2 are:
the sealing ring groove 21 of the sealing structure 2 is arranged on one side of the blind plate main body 1 or two sides of the gasket main body 3 in a metal processing mode, a first sealing adhesive 25 is coated in the sealing ring groove 21, the head end of the sealing strip 22 is cut into a first inclined notch 26 and a second sealing adhesive 28 is coated, the sealing strip 22 made of silicon rubber is pressed into the sealing ring groove 21, bosses 23 on the inner wall and the outer wall of the sealing strip 22 are in interference fit with the inner wall of the sealing ring groove 21, the outer end face of the sealing strip 22 protrudes out of the sealing ring groove 21, the tail end of the sealing strip 22 is cut into a second inclined notch 27 and is in fit connection with the first inclined notch 26, the first sealing adhesive 25 and the second sealing adhesive 28 can adopt 7587 structural sealing adhesive, and tight connection of the sealing strip 22 and the sealing ring groove 21 is achieved after the sealing adhesive is cured.
The sealing strip 22 is made of silicon rubber and has good elasticity, flexibility, high temperature resistance, low temperature resistance, mechanical property and the like, elastic deformation, interference reliable assembly and sealing performance of the sealing ring groove 21 are guaranteed, an acute angle included angle theta between the first oblique notch 26 or the second oblique notch 27 and the end face of the sealing strip 22 is 30-50 degrees and used for improving connection area and installation convenience of the sealing strip 22 interface, the excessively large increase area of the angle is limited, and the excessively small angle affects the strength of the cut tip end of the sealing strip 22.
When the gas pipeline valve is replaced and a gas facility is overhauled, the blind plate main body 1 is inserted between the first pipeline 4 and the second pipeline 5, the flange 6 penetrating the end parts of the first pipeline 4 and the second pipeline 5 through bolts is used for realizing the connection between the first pipeline 4 and the second pipeline 5 and clamping and fixing the blind plate main body 1, a plurality of grooves 24 are formed in the outer end face of the sealing strip 22 on the blind plate main body 1, the cross section shapes of the grooves 24 comprise a rectangle shape, a triangle shape, a trapezoid shape or a semicircle shape, so that the end parts of the second pipeline 5 are extruded and deformed through the outer end face of the sealing strip 22, the sealing reliability of the grooves and the second pipeline 5 is improved, and the end parts of the second pipeline 5 are plugged, the gas pipeline valve is replaced, the gas facility is overhauled and swept and replaced.
The operation is carried out after the purging replacement is qualified, the flange 6 connection is removed after the operation is finished, the blind plate main body 1 is extracted, the gasket main body 3 is inserted between the first pipeline 4 and the second pipeline 5 and is connected with the flange 6 at the end part of the first pipeline 4 and the end part of the second pipeline 5 through bolts, the first pipeline 4 and the second pipeline 5 are connected and clamped to fix the gasket main body 3, the plurality of grooves 24 on the outer end face of the sealing strip 22 on the gasket main body 3 are extruded and deformed, and the sealing reliability of the gasket main body 3 and the first pipeline 4 and the second pipeline 5 is improved, so that coal gas can circulate in the first pipeline 4 and the second pipeline 5.
The blind plate main body 1 is convenient to hoist by adopting the lifting lug 11 with the lifting hole 12, the flange 31 of the gasket main body 3 is used for holding the gasket main body 3 for installation, and the lifting lug 11 is different from the flange 31 in shape structure, and is convenient for the manual insertion of the blind plate and the gasket to be quickly distinguished after being applied to the installation of a gas pipeline.
In conclusion, the sealing structure 2 is arranged on the hand-inserted blind plate or the gasket of the converter or blast furnace gas pipeline, the silicone rubber sealing strip 22 of the sealing structure 2 is connected with the sealing ring groove 21, and the outer end surface protrudes out of the sealing ring groove 21, so that the extrusion groove 24 deforms to increase the sealing reliability when the hand-inserted blind plate or the gasket is installed on the gas pipeline, the installation is convenient, the collision damage of the existing sealing structure is avoided, the phenomena of leakage, falling and leakage of the hand-inserted blind plate and the gasket are effectively avoided, the gas leakage hidden danger is eliminated, and the use safety of equipment is improved.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a seal structure, its characterized in that, including sealing ring groove (21), sealing strip (22) made by silicon rubber, sealing strip (22) set up in sealing ring groove (21), be equipped with on sealing strip (22) inner wall and the outer wall with sealing ring groove (21) complex boss (23), sealing strip (22) outer terminal surface protrusion in sealing ring groove (21) and be equipped with a plurality of recess (24) with sealing ring groove (21) concentric setting.
2. A sealing arrangement according to claim 1, characterised in that a first sealing compound (25) is provided between the inner wall of the sealing ring groove (21) and the sealing strip (22), and the boss (23) is in interference fit with the inner wall of the sealing ring groove (21).
3. A sealing arrangement according to claim 1, characterized in that the sealing strip (22) is provided with a first bevelled opening (26) at the head end and a second bevelled opening (27) at the tail end, the second bevelled opening (27) cooperating with the first bevelled opening (26) and being provided with a second sealing glue (28) therebetween.
4. A sealing arrangement according to claim 3, characterised in that the first chamfer (26) or the second chamfer (27) forms an acute angle θ of 30 ° -50 ° with the end face of the sealing strip (22).
5. A sealing arrangement according to claim 1, characterised in that the cross-sectional shape of the groove (24) comprises a rectangle, triangle, trapezoid or semicircle.
6. A hand-operated blind flange, which comprises a blind flange main body (1) and a sealing structure (2) according to any one of claims 1 to 5, wherein the sealing ring groove (21) is arranged on one side of the blind flange main body (1).
7. The hand-inserting blind plate according to claim 6, wherein a lifting lug (11) is arranged at the side of the blind plate main body (1), and a lifting hole (12) is arranged on the lifting lug (11).
8. Gasket, characterized in that it comprises a gasket body (3) and a sealing structure (2) according to any one of claims 1 to 5, said sealing ring grooves (21) being concentrically arranged on both sides of the gasket body (3).
9. Gasket according to claim 8, characterized in that the gasket body (3) is provided laterally with a flange (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123022947.7U CN216307012U (en) | 2021-12-03 | 2021-12-03 | Sealing structure, hand-insertion blind plate and gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123022947.7U CN216307012U (en) | 2021-12-03 | 2021-12-03 | Sealing structure, hand-insertion blind plate and gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216307012U true CN216307012U (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123022947.7U Active CN216307012U (en) | 2021-12-03 | 2021-12-03 | Sealing structure, hand-insertion blind plate and gasket |
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| CN (1) | CN216307012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114935061A (en) * | 2022-04-24 | 2022-08-23 | 广东韶钢松山股份有限公司 | Blind plate for transmission pipeline |
-
2021
- 2021-12-03 CN CN202123022947.7U patent/CN216307012U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114935061A (en) * | 2022-04-24 | 2022-08-23 | 广东韶钢松山股份有限公司 | Blind plate for transmission pipeline |
| CN114935061B (en) * | 2022-04-24 | 2023-10-31 | 广东韶钢松山股份有限公司 | Blind plate for transmission pipeline |
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