阅读说明：本技术 一种管道密封装置 (Pipeline sealing device ) 是由 余长安 于 2019-09-16 设计创作，主要内容包括：本发明涉及船舶技术领域,尤其是一种管道密封装置,包括端盖,端盖的内表面有一圈凸台,凸台的外表面有一层密封垫圈,端盖的外表面、凸台的以外的部分有若干第一螺钉孔,端盖的外表面、凸台上有若干第二螺钉孔,若干螺钉孔的外侧有一圈由凸棱构成的第一螺钉孔定位环；本发明中的管道密封装置,端盖的内表面有一圈凸台,凸台的外表面有一层密封垫圈,提高了密封装置与管道端面之间的密封性,端盖的外表面、凸台的以外的部分有若干第一螺钉孔,若干螺钉孔的外侧有一圈由凸棱构成的第一螺钉孔定位环,第一螺钉孔的外侧有一圈定位环,在管道密封过程中起到了定位螺钉的作用,显著提高了管道密封装置的安装效率。(The invention relates to the technical field of ships, in particular to a pipeline sealing device which comprises an end cover, wherein the inner surface of the end cover is provided with a circle of boss, the outer surface of the boss is provided with a layer of sealing gasket, the outer surface of the end cover and the part outside the boss are provided with a plurality of first screw holes, the outer surface of the end cover and the boss are provided with a plurality of second screw holes, and the outer sides of the plurality of screw holes are provided with a circle of first screw hole positioning rings formed by convex ribs; according to the pipeline sealing device, the circle of boss is arranged on the inner surface of the end cover, the layer of sealing washer is arranged on the outer surface of the boss, the sealing performance between the sealing device and the end face of a pipeline is improved, the plurality of first screw holes are arranged on the outer surface of the end cover and the part outside the boss, the circle of first screw hole positioning rings formed by the convex edges are arranged on the outer sides of the plurality of screw holes, the circle of positioning rings are arranged on the outer sides of the first screw holes, the function of positioning screws is achieved in the pipeline sealing process, and the installation efficiency of the pipeline sealing device is obviously.)

1. A pipe sealing device, characterized by: the novel screw hole sealing structure comprises an end cover, wherein a circle of boss is arranged on the inner surface of the end cover, a layer of sealing washer is arranged on the outer surface of the boss, a plurality of first screw holes are formed in the outer surface of the end cover and the part outside the boss, a plurality of second screw holes are formed in the outer surface of the end cover and the boss, and a circle of first screw hole positioning rings formed by convex ribs are arranged on the outer sides of the plurality of screw holes.

2. A pipe sealing device as claimed in claim 1, wherein: the first screw holes are uniformly distributed on the outer surface of the end cover and the part outside the lug boss.

3. A pipe sealing device as claimed in claim 1, wherein: and a circle of bulges are arranged at the edge of the first screw hole.

4. A pipe sealing device as claimed in claim 3, wherein: and a layer of metal gasket is arranged between the first screw hole and the screw.

5. A pipe sealing device as claimed in claim 1, wherein: a fixing piece is arranged between the second screw hole and the outer surface of the end cover, and a wear-resistant coating is arranged on the fixing piece.

6. The pipe sealing device of claim 5, wherein: the wear-resistant coating is filled with coarse particles, and the particle size of the coarse particles is 100-200 meshes.

7. A pipe sealing device as claimed in claim 6, wherein: the coarse particles are silicon dioxide.

8. The pipe sealing device of claim 5, wherein: the fixing sheet is composed of a plurality of waist-shaped fixing sheets.

9. A pipe sealing device as claimed in claim 1, wherein: the thickness of the waist-shaped fixing piece is 0.8-1.2 mm.

Technical Field

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

Background

The submarine pipeline is an important channel for oil and gas transportation and is a key component of an offshore oil and gas resource exploitation system. Under the complex environment of the seabed, the pipeline inevitably loses efficacy, the repair of the damaged part of the pipeline can be timely and effectively completed, the normal production can be ensured, and the environmental pollution and loss caused by oil and gas leakage can be reduced. The clamping and pressing type mechanical connector is used for emergency maintenance of submarine pipelines, and when a damaged part of a pipeline needs to be replaced by a new pipeline, the connector can quickly realize connection between two sections of pipelines.

The existing pipeline sealing device also has the technical defects of low sealing efficiency and improved sealing property.

Disclosure of Invention

The purpose of the invention is: the pipeline sealing device overcomes the defects in the prior art, and is high in sealing efficiency and good in sealing performance.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides a pipeline sealing device, includes the end cover, the internal surface of end cover has the round boss, the surface of boss has one deck seal ring, the part outside surface, the boss of end cover has a plurality of first screw holes, there are a plurality of second screw holes on the surface of end cover, the boss, there is the round first screw hole holding ring that comprises the bead in the outside of a plurality of screw holes.

Furthermore, the first screw holes are uniformly distributed on the outer surface of the end cover and the part outside the boss.

Furthermore, the edge of the first screw hole is provided with a circle of bulges.

Furthermore, a layer of metal gasket is arranged between the first screw hole and the screw.

Furthermore, a fixing piece is arranged between the second screw hole and the outer surface of the end cover, and a wear-resistant coating is arranged on the fixing piece.

Furthermore, the wear-resistant coating is filled with coarse particles, and the particle size of the coarse particles is 100-200 meshes.

Further, the coarse particles are silicon dioxide.

Further, the fixing sheet is composed of a plurality of waist-shaped fixing sheets.

Further, the thickness of the waist-shaped fixing piece is 0.8-1.2 mm.

The technical scheme adopted by the invention has the beneficial effects that:

according to the pipeline sealing device, the inner surface of the end cover is provided with the circle of boss, the outer surface of the boss is provided with the layer of sealing washer, the sealing performance between the sealing device and the end face of the pipeline is improved, the outer surface of the end cover and the part outside the boss are provided with the plurality of first screw holes, the outer surface of the end cover and the boss are provided with the plurality of second screw holes, the outer sides of the plurality of screw holes are provided with the circle of first screw hole positioning rings formed by the convex edges, the outer sides of the first screw holes are provided with the circle of positioning rings, the function of positioning screws is achieved in the pipeline sealing process, and the installation efficiency.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

In the figure: 1 end cover, 2 first screw holes, 3 bosss, 4 second screw holes, 5 fixing pieces, 6 first screw hole positioning rings.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

FIG. 1 is a schematic structural diagram of the present invention.

The utility model provides a pipeline sealing device, includes end cover 1, the internal surface of end cover 1 has round boss 3, the surface of boss 3 has one deck seal ring, the part outside surface of end cover 1, boss 3 has a plurality of first screw holes 2, there are a plurality of second screw holes 4 on the surface of end cover, the boss 3, there is a round first screw hole holding ring 6 that constitutes by the bead in the outside of a plurality of screw holes.

As a preferred embodiment, the first screw holes 2 in this embodiment are uniformly distributed on the outer surface of the end cover 1 and on the portion other than the boss 3.

As a preferred embodiment, the edge of the first screw hole 2 in this embodiment has a circle of protrusions.

As a preferred embodiment, a metal gasket is provided between the first screw hole 2 and the screw in this embodiment.

As a preferred embodiment, a fixing piece 5 is arranged between the second screw hole 4 and the outer surface of the end cap 1, and the fixing piece 5 is provided with a wear-resistant coating.

As a preferred embodiment, the wear-resistant coating in this embodiment is filled with coarse particles, and the particle size of the coarse particles is 100-200 meshes.

As a preferred embodiment, the coarse particles in this example are silica.

As a preferred embodiment, the fixing sheet 5 in this embodiment is constituted by a plurality of waist-shaped fixing sheets 5.

As a preferred embodiment, the thickness of the waist type fixing sheet 5 in this embodiment is 0.8 to 1.2 mm.

Example 1

A pipeline sealing device comprises an end cover 1, wherein a circle of boss 3 is arranged on the inner surface of the end cover 1, a layer of sealing washer is arranged on the outer surface of the boss 3, a plurality of first screw holes 2 are arranged on the outer surface of the end cover 1 and the part outside the boss 3, a plurality of second screw holes 4 are arranged on the outer surface of the end cover 1 and the boss 3, a circle of first screw hole positioning ring 6 formed by convex ribs is arranged on the outer side of the plurality of screw holes, the plurality of first screw holes 2 are uniformly distributed on the outer surface of the end cover 1 and the part outside the boss 3, a circle of bulge is arranged on the edge of each first screw hole 2, a layer of metal gasket is arranged between each first screw hole 2 and each screw, a layer of fixing piece 5 is arranged between each second screw hole 4 and the outer surface of the end cover 1, a layer of wear-resistant coating is arranged on each fixing piece, the coarse particles are silicon dioxide, the fixing sheet 5 is composed of a plurality of waist-shaped fixing sheets 5, and the thickness of each waist-shaped fixing sheet 5 is 0.8 mm.

Example 2

A pipeline sealing device comprises an end cover 1, wherein a circle of boss 3 is arranged on the inner surface of the end cover 1, a layer of sealing washer is arranged on the outer surface of the boss 3, a plurality of first screw holes 2 are arranged on the outer surface of the end cover 1 and the part outside the boss 3, a plurality of second screw holes 4 are arranged on the outer surface of the end cover 1 and the boss 3, a circle of first screw hole positioning ring 6 formed by convex ribs is arranged on the outer side of the plurality of screw holes, the plurality of first screw holes 2 are uniformly distributed on the outer surface of the end cover 1 and the part outside the boss 3, a circle of bulge is arranged on the edge of each first screw hole 2, a layer of metal gasket is arranged between each first screw hole 2 and each screw, a layer of fixing piece 5 is arranged between each second screw hole 4 and the outer surface of the end cover 1, a layer of wear-resistant coating is arranged on each fixing piece, the coarse particles are silicon dioxide, the fixing sheet 5 is composed of a plurality of waist-shaped fixing sheets 5, and the thickness of each waist-shaped fixing sheet 5 is 1 mm.

Example 3

A pipeline sealing device comprises an end cover 1, wherein a circle of boss 3 is arranged on the inner surface of the end cover 1, a layer of sealing washer is arranged on the outer surface of the boss 3, a plurality of first screw holes 2 are arranged on the outer surface of the end cover 1 and the part outside the boss 3, a plurality of second screw holes 4 are arranged on the outer surface of the end cover 1 and the boss 3, a circle of first screw hole positioning ring 6 formed by convex ribs is arranged on the outer side of the plurality of screw holes, the plurality of first screw holes 2 are uniformly distributed on the outer surface of the end cover 1 and the part outside the boss 3, a circle of bulge is arranged on the edge of each first screw hole 2, a layer of metal gasket is arranged between each first screw hole 2 and each screw, a layer of fixing piece 5 is arranged between each second screw hole 4 and the outer surface of the end cover 1, a layer of wear-resistant coating is arranged on each fixing piece, the coarse particles are silicon dioxide, the fixing sheet 5 is composed of a plurality of waist-shaped fixing sheets 5, and the thickness of each waist-shaped fixing sheet 5 is 1.2 mm.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.