CN110985782A

CN110985782A - Pipeline sealing device

Info

Publication number: CN110985782A
Application number: CN201911305660.XA
Authority: CN
Inventors: 周福义; 吴伟华; 林永益
Original assignee: Wenzhou Dongchong Trading Co ltd
Current assignee: Wenzhou leakage corrosion Hardware Products Co.,Ltd.
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-04-10
Anticipated expiration: 2039-12-17
Also published as: CN110985782B

Abstract

The invention discloses a pipeline sealing device, which comprises a side plate for clamping a pipeline, a sealing sleeve for hooping the side plate, and a fastening assembly arranged on the sealing sleeve for hooping the sealing sleeve; the side plates are arranged in pairs, are respectively positioned on two sides of the fastening assembly and form a sealed space with the fastening assembly. The invention can enhance the sealing effect of the joint of the flanges at low cost without opening the die.

Description

Pipeline sealing device

Technical Field

The invention relates to the technical field of pipelines, in particular to a pipeline sealing device.

Background

The pipeline that has now is connected through the ring flange mostly, but sealing performance behind the ring flange connection is not hundred percent assurance, and most connectors need seal the processing again, but prior art (application number 201310249083.3 double-deck sealed flange) improves through the ring flange, and then improves flange joint's sealed effect, and this change mode cost is great to all will open the mould again to the ring flange of different specifications, increased the cost of mould and the area of mould.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a pipeline sealing device which can enhance the sealing effect of the joint of flanges at low cost without opening a die.

In order to achieve the purpose, the invention provides the following technical scheme: a pipeline sealing device comprises a side plate for clamping a pipeline, a sealing sleeve for hooping the side plate, and a fastening assembly arranged on the sealing sleeve for hooping the sealing sleeve; the side plates are arranged in pairs, are respectively positioned on two sides of the fastening assembly and form a sealed space with the fastening assembly.

As a further improvement of the invention, the side plate comprises two semi-annular sealing plates which are spliced on the pipeline and are in sealing connection with the pipeline.

As a further improvement of the invention, the edge of one side where the two sealing plates are spliced with each other and the edge of one side where the two sealing plates are spliced with the pipeline are both provided with first sealing strips, and when the two sealing plates are spliced on the pipeline, the first sealing strips are tightly attached to the pipeline.

As a further improvement of the invention, grooves are arranged on two side edges of the sealing sleeve for hooping the side plate, second sealing strips are arranged in the grooves, and when the sealing sleeve hoops the side plate, the side plate is embedded in the grooves and is connected with the sealing sleeve in a sealing manner through the second sealing strips.

As a further improvement of the invention, an arc-shaped sealing ring which is integrally formed with the side wall is arranged on one side wall of the groove close to the outside, the arc-shaped concave part faces the groove, and the sealing ring is positioned on one side wall of the groove close to the outside of the notch of the groove; when the sealing sleeve hoops the side plate, the second sealing strip deforms and is embedded in the arc-shaped concave part of the sealing ring.

As a further improvement of the invention, one end of the groove is reduced to fit the other end, when the sealing sleeve is tightened, the sealing sleeve is partially overlapped, the reduced end of the groove is embedded in the other end, and the end of the sealing ring located in the reduced groove is fastened with the other end thereof through the arc-shaped concave portion.

As a further improvement of the invention, the sealing sleeve is provided with a discharge hole for discharging liquid or gas leaked from the pipeline, and the discharge hole is connected with an external collecting device so as to collect the leaked liquid or gas; and a detection assembly for detecting leakage is connected between the discharge hole and the collecting device, and the detection assembly is electrically connected with an electric valve of the pipeline so as to control the electric valve to close the pipeline.

As a further improvement of the invention, when the sealing sleeve is tightened, a sealing sheet is also arranged on the overlapped part of the sealing sleeve, and the sealing sleeve is connected with the overlapped part of the sealing sleeve in a sealing way through the sealing sheet.

As a further improvement of the invention, the fastening assembly is a worm and gear type hose clamp.

As a further improvement of the invention, a three-way interface is also arranged on the sealing sleeve and used for connecting an additional pipeline and is connected with the three-way interface in a sealing way through an additional sealing sleeve.

The flange plate has the beneficial effects that when the normal connection joint needs to be sealed, the two side plates are sleeved on the pipelines on the two sides of the flange joint and are hooped by the sealing sleeves, at the moment, the side plates are matched with the sealing sleeves to form a sealing space, and the flange plate is positioned in the sealing space, so that the leakage-proof effect can be enhanced, and the sealing effect is improved. Therefore, the sealing enhancement can be completed under the condition of not needing to open the die, and the effect of a second defense line is achieved.

Drawings

FIG. 1 is a schematic perspective view of examples 1 and 2 of the present invention;

FIG. 2 is a schematic top view of the structure of embodiment 2 of the present invention;

FIG. 3 is a partial schematic structural view of embodiment 3 of the present invention;

FIG. 4 is an enlarged schematic view of a part of the structure in a top view structure of embodiment 2 of the present invention;

FIG. 5 is a schematic perspective view of embodiment 4 of the present invention;

fig. 6 is an enlarged schematic view of a part of the structure in the three-dimensional structure of embodiment 2 of the present invention.

Reference numerals: 1. a side plate; 11. a sealing plate; 2. sealing sleeves; 3. a fastening assembly; 4. a first seal strip; 5. a groove; 6. a second seal strip; 7. a seal ring; 8. a discharge hole; 9. sealing the sheet; 101. and a three-way interface.

Detailed Description

The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.

As shown with reference to figures 1-4,

example 1

The pipeline sealing device comprises a side plate 1 for clamping a pipeline, a sealing sleeve 2 for hooping the side plate 1, and a fastening assembly 3 arranged on the sealing sleeve 2 for hooping the sealing sleeve 2; the side plates 1 are arranged in pairs, are respectively positioned at two sides of the fastening component 3, and form a sealed space with the fastening component 3.

When need seal the processing to the law even junction, through cup jointing two curb plates 1 on the pipeline of flange joint's both sides to pinch curb plate 1 through seal cover 2, constitute sealed space through curb plate 1 cooperation seal cover 2 this moment, and the ring flange is arranged in this sealed space, can strengthen this moment and prevent leaking the effect, increase sealed effect. Therefore, the sealing enhancement can be completed under the condition of not needing to open the die, and the effect of a second defense line is achieved.

For the convenience of implementation, the side plate 1 comprises two semi-annular sealing plates 11, and the two sealing plates 11 are spliced on the pipeline and are in sealing connection with the pipeline.

Divide into the closing plate 11 of two semi-rings with curb plate 1, can directly be connected it with the pipeline through the mode of concatenation, the annular inner ring in it and the surperficial looks adaptation of pipeline, when two closing plate 11 splices, this inner ring can laminate mutually with the surface of pipeline, cramps it through seal cover 2 this moment, and this moment this inner ring closely laminates with the surface of pipeline, and then keeps sealed effect to the assembly of being convenient for.

More specifically, the fastening assembly 3 is a worm and gear type hose clamp.

Through adopting worm gear formula hose clamp, the side of seal cover 2 can have the opening, lets the opening pass the pipeline this moment and can overlap seal cover 2 outside the pipeline to tighten up the opening through worm gear formula hose clamp, and then cramp seal cover 2. The convenience of assembly can be further improved by matching the splicing type sealing plate 11.

Further, two one side border and two that the closing plate 11 splices each other the closing plate 11 all is provided with first sealing strip 4 with one side border of pipeline concatenation, and when two closing plates 11 splices on the pipeline, first sealing strip 4 and pipeline closely laminate.

Can closely laminate through first sealing strip 4 and pipeline when seal cover 2 cramps through the setting of first sealing strip 4, and then further improve sealed effect to this first sealing strip 4 is along one side of two closing plate 11 contacts and one side setting of two closing plate 11 and pipeline contact, can let sealed effect further reinforcing this moment.

Example 2

On the basis of embodiment 1, in addition, seal cover 2 is used for banding tightly both sides limit of curb plate 1 and is provided with recess 5, be provided with second sealing strip 6 in the recess 5, when seal cover 2 banding tightly curb plate 1, curb plate 1 imbeds in recess 5, and through second sealing strip 6 and seal cover 2 sealing connection.

Through set up second sealing strip 6 in recess 5, when two closing plates 11 are cramped to seal cover 2 this moment, can let closing plate 11 imbed in this recess 5 to cushion through second sealing strip 6, strengthen its sealed effect, can avoid one side dislocation of the relative seal cover 2 of closing plate 11 from this, lead to sealed effect to weaken.

In addition, as shown in fig. 6, an arc-shaped sealing ring 7 integrally formed with the side wall is arranged on one side wall of the groove 5, the arc-shaped concave part faces the groove 5, and the sealing ring 7 is arranged on one side wall of the groove 5, which is close to the outside of the notch; when the sealing sleeve 2 clamps the side plate 1, the second sealing strip 6 is deformed and embedded in the arc-shaped concave part of the sealing ring 7.

As shown in fig. 6, when the sealing sleeve 2 is tightened, the second sealing strip 6 is deformed due to the extrusion of the second sealing strip 6 and the sealing plate 11, and at this time, the deformed part of the second sealing strip 6 is extruded into the concave part of the sealing ring 7, so that the sealing effect can be further improved. Meanwhile, the second sealing strip 6 can have a larger and more uniform deformation space, the second sealing strip 6 is more uniform in deformation, and dislocation of the second sealing strip in the extruded process is avoided, so that the sealing plate 11 is not fully extruded with the second sealing strip 6.

In further arrangement, one end of the groove 5 is reduced to be matched with the other end of the groove, when the sealing sleeve 2 is tightened, the sealing sleeve 2 is partially overlapped, the reduced end of the groove 5 is embedded into the other end of the groove, and one end, located on the reduced groove, of the sealing ring 7 is buckled with the other end of the groove 5 through the arc-shaped concave part.

As shown in fig. 4 and 6, when the sealing sleeve 2 is tightened, the sealing sleeve 2 overlaps end-to-end, which means that the partial grooves 5 also overlap. When the recesses 5 overlap, the larger recesses 5 will overlap the reduced portion, since the larger recesses 5 fit into the smaller recesses 5, and the smaller recesses 5 then overlap the groove surfaces of the larger recesses 5. Meanwhile, the concave part on the sealing ring 7 can be sleeved on the outer surface of the sealing ring 7 of the reduced groove 5 part, specifically, the concave part can be buckled on the outer surface of the arc-shaped sealing ring 7, the fastening effect can be increased at the moment, and the sealing effect is also increased to a certain extent.

In a further arrangement, a sealing sheet 9 is further arranged on the overlapped part of the sealing sleeve 2, and the sealing sleeve 2 is hermetically connected with the overlapped part through the sealing sheet 9. And thus further improves the sealing effect.

Example 3

As shown in fig. 3, based on the solution of embodiment 2, in addition, the sealing sleeve 2 is provided with a discharge hole 8 for discharging the liquid or gas leaked from the pipeline, and the discharge hole 8 is connected with an external collecting device to collect the leaked liquid or gas; and a detection assembly for detecting leakage is further connected between the discharge hole 8 and the collecting device, and the detection assembly is electrically connected with an electric valve of the pipeline so as to control the electric valve to close the pipeline.

When the ring flange of pipe connection the leakage appears, the liquid or the gas of leaking this moment in time carry out the cell-phone through discharge hole 8 and collection device to in time detect through detecting component, detect the back that leaks appearing, close the pipeline through control motorised valve, can in time cut off the pipe-line transportation, avoid appearing great leakage, and after the pipeline is closed, can collect remaining gas or liquid in the pipeline through collection device, with used repeatedly or avoid leaking to the outside.

Example 4

As shown in fig. 5, based on the scheme of embodiment 3, in addition, a three-way interface 101 is further formed on the sealing sleeve 2, and the three-way interface 101 is used for an additional pipeline to be connected and is connected with the three-way interface 101 in a sealing manner through the additional sealing sleeve 2.

This embodiment is based on the implementation of tee pipe connection, can let the tee pipe say simultaneously sealing process through this connected mode. So as to enhance the sealing effect under the condition of not needing die sinking.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The pipeline sealing device is characterized by comprising a side plate (1) for clamping a pipeline, a sealing sleeve (2) for hooping the side plate (1), and a fastening assembly (3) arranged on the sealing sleeve (2) for hooping the sealing sleeve (2); the side plates (1) are arranged in pairs, are respectively positioned on two sides of the fastening assembly (3), and form a sealed space with the fastening assembly (3).

2. The pipe sealing device according to claim 1, wherein the side plate (1) comprises two semi-annular sealing plates (11), and the two sealing plates (11) are spliced on the pipe and are in sealing connection with the pipe.

3. The pipeline sealing device according to claim 2, wherein a first sealing strip (4) is arranged at one side edge where the two sealing plates (11) are spliced with each other and at one side edge where the two sealing plates (11) are spliced with the pipeline, and when the two sealing plates (11) are spliced on the pipeline, the first sealing strip (4) is tightly attached to the pipeline.

4. The pipe sealing device according to claim 1, wherein the sealing sleeve (2) is provided with a groove (5) at two sides for tightening the side plate (1), a second sealing strip (6) is provided in the groove (5), and when the sealing sleeve (2) tightens the side plate (1), the side plate (1) is embedded in the groove (5) and is connected with the sealing sleeve (2) in a sealing manner through the second sealing strip (6).

5. The pipe sealing device according to claim 4, characterized in that an outer side wall of the groove (5) is provided with an arc-shaped sealing ring (7) which is integrally formed with the side wall, the arc-shaped concave part faces the groove (5), and the sealing ring (7) is positioned on an outer side wall of the notch of the groove (5); when the sealing sleeve (2) hoops the side plate (1), the side plate (1) extrudes the second sealing strip (6), the second sealing strip (6) deforms and is embedded into the arc-shaped concave part of the sealing ring (7).

6. The pipe sealing device according to claim 5, characterized in that one end of the groove (5) is reduced to fit the other end, when the sealing sleeve (2) is tightened, the sealing sleeve (2) is partially overlapped, and the reduced end of the groove (5) is embedded in the other end, and the end of the sealing ring (7) located in the reduced groove (5) is fastened to the other end thereof by means of an arc-shaped recessed portion.

7. The pipe sealing device according to claim 1, characterized in that the sealing sleeve (2) is provided with a discharge hole (8) for discharging liquid or gas leaked from the pipe, and the discharge hole (8) is connected with an external collecting device to collect the leaked liquid or gas; and a detection assembly for detecting leakage is further connected between the discharge hole (8) and the collecting device, and the detection assembly is electrically connected with an electric valve of the pipeline so as to control the electric valve to close the pipeline.

8. The pipe sealing device according to claim 6, characterized in that when the sealing sleeve (2) is tightened, a sealing sheet (9) is further provided on the overlapping portion of the sealing sleeve (2), and the sealing sleeve (2) is sealingly connected with the overlapping portion thereof by the sealing sheet (9).

9. The plumbing sealing arrangement of claim 1, wherein the fastening assembly (3) is a worm and worm gear type throat band.

10. The pipeline sealing device according to claim 1, wherein a three-way connector (101) is further formed on the sealing sleeve (2), and the three-way connector (101) is used for an additional pipeline to be connected and is connected with the three-way connector (101) in a sealing manner through the additional sealing sleeve (2).