CN219327885U - Gas pipeline sealing connection device with elbow pipe assembly - Google Patents

Abstract

The utility model discloses a gas pipeline sealing connection device with a bent pipe assembly, which relates to the technical field of gas pipeline sealing connection devices, and aims to solve the technical problem that the sealing performance of gas pipeline connection cannot be guaranteed in the prior art.

Description

Gas pipeline sealing connection device with elbow pipe assembly

Technical Field

The utility model belongs to the technical field of gas pipeline sealing and connecting devices, and particularly relates to a gas pipeline sealing and connecting device with a bent pipe assembly.

Background

The fuel gas is a generic term for gas fuel, which can burn and release heat for urban residents and industrial enterprises. The gas is of various kinds, mainly natural gas, artificial gas, liquefied petroleum gas, biogas and coal gas. The gas is generally toxic, and is easy to explode after leakage and in high concentration, so that the gas pipeline is required to be installed with strict sealing performance.

At present, the latex area can be binded in the junction when the gas pipeline is installed and the leakproofness is increased, the circumstances of straight tube and return bend composite connection can appear when the installation simultaneously, and this operation not only influences the efficiency of installation, and also has the inseparable problem of seal, and the latex area can take place to drop easily after live time to influence the leakproofness.

Therefore, in order to solve the problem that the sealing connection device for daily gas pipelines is difficult to ensure the sealing performance of the gas pipeline after use, the problem needs to be solved so as to improve the use scene of the sealing connection device for gas pipelines.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a gas pipeline sealing and connecting device with a bent pipe assembly, which aims to solve the technical problem that the sealing performance of gas pipeline connection cannot be ensured in the prior art.

(2) Technical proposal

In order to solve the technical problems, the utility model provides the gas pipeline sealing connection device with the elbow assembly, which comprises a first connection pipe, wherein the lower end of the first connection pipe is provided with an elbow body, the lower end of the elbow body is provided with a second connection pipe, the outer sides of the first connection pipe, the elbow body and the second connection pipe are fixedly connected with mounting rings which are vertically and symmetrically distributed, the outer sides of the joints of the first connection pipe, the elbow body and the second connection pipe are respectively provided with an external sealing assembly, the joints of the elbow body, the first connection pipe and the second connection pipe are respectively provided with a sealing ring, and the inner sides of the joints of the elbow body, the first connection pipe and the second connection pipe are respectively provided with an internal sealing assembly.

When the gas pipeline sealing connection device of the technical scheme is used, the condition that the straight pipe is connected with the bent pipe in a combined mode can occur, the first connecting pipe is installed at the upper end of the bent pipe body, the second connecting pipe is installed at the lower end of the bent pipe body, after the bent pipe body is connected with the first connecting pipe and the second connecting pipe, the inner sealing component arranged on the inner side is used together with the sealing ring, the connectivity of the joint of the bent pipe body can be improved, the installation is convenient and fast, the safety performance of gas bent pipe connection is improved, the potential safety hazard is reduced, the external sealing component is installed at the upper end and the lower end of the installing ring at the joint, the connection firmness and the safety are further improved, the installation efficiency is greatly improved, and the problem of unsmooth sealing is avoided.

Further, external seal assembly includes first collar, second collar, slipmat, rotates piece, linking arm, spliced eye, spring pin and coupling spring, the inboard equal fixedly connected with slipmat of first collar and second collar, the installation of being convenient for on the connecting pipe, application scope is wide.

Further, the rotating pieces are arranged at the left end and the right end of the first mounting ring, the connecting arms are arranged at the outer sides of the rotating pieces, the connecting springs are arranged between the first mounting ring and the connecting arms, the firmness and the safety of connection are further improved, the mounting efficiency of the connecting device is greatly improved, and the problem of unsmooth sealing is avoided.

Further, bilateral symmetry's spliced eye has been seted up in the second collar outside, the spring pin is installed to spliced eye upper end, the block is connected between spring pin and the linking arm mounting hole, inserts the linking arm in the spliced eye to the spring pin fixes a position, has played auxiliary fixation's effect to the pipeline connection.

Further, inside seal assembly includes spread groove, connecting block, seal groove, sealing strip and intubate, the spread groove that annular equidistance was distributed has all been seted up to first connecting pipe lower extreme and second connecting pipe upper end, the seal groove has been seted up in the spread groove outside, the equal fixedly connected with intubate in both ends about the return bend body, the connecting block that the annular equidistance of intubate outside fixedly connected with distributes, connecting block outside fixedly connected with sealing strip has improved the leakproofness of device greatly to and the leakproofness in junction gap.

Further, the connecting block is connected to the inside sliding connection of spread groove, the inside sliding connection of seal groove has the sealing strip, can improve the connectivity of return bend body joint, grafting convenient and fast.

Further, the connecting groove and the sealing groove form a T-shaped structure, and the connecting block and the sealing strip form a T-shaped structure, so that the structure is stable and the air tightness is good.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: according to the gas pipeline sealing connection device, after the elbow body is connected with the first connection pipe and the second connection pipe, the inner sealing component arranged on the inner side is matched with the sealing ring for use, so that the connectivity of the elbow body joint can be improved, the installation is convenient and quick, the safety performance of gas elbow connection is improved, the potential safety hazard is reduced, meanwhile, the external sealing component is installed on the outer side, the auxiliary fixing effect is achieved on pipeline connection, the connection firmness and safety are further improved, the installation efficiency is greatly improved, and the problem of unsmooth sealing is avoided.

Drawings

FIG. 1 is a schematic perspective view of a gas pipeline sealing connection device according to an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of an external seal assembly in one embodiment of the gas pipeline seal connection device of the present utility model;

FIG. 3 is a schematic view showing the separation of a connecting pipe and a bent pipe body in an embodiment of the gas pipeline sealing connection device of the present utility model;

FIG. 4 is an enlarged partial schematic view of an internal seal assembly of an embodiment of the gas conduit seal connection of the present utility model.

The marks in the drawings are: 1. a first connection pipe; 2. a bent pipe body; 3. a second connection pipe; 4. a mounting ring; 5. externally connecting a sealing assembly; 501. a first mounting ring; 502. a second mounting ring; 503. an anti-slip pad; 504. a rotating member; 505. a connecting arm; 506. a plug hole; 507. a spring pin; 508. a connecting spring; 6. a seal ring; 7. an inner seal assembly; 701. a connecting groove; 702. a connecting block; 703. sealing grooves; 704. a sealing strip; 705. and (3) inserting a tube.

Detailed Description

The three-dimensional structure of the gas pipeline sealing connection device with the elbow assembly is shown in fig. 1, the three-dimensional structure of the external connection sealing assembly 5 is shown in fig. 2, the gas pipeline sealing connection device comprises a first connecting pipe 1, an elbow body 2 is arranged at the lower end of the first connecting pipe 1, a second connecting pipe 3 is arranged at the lower end of the elbow body 2, mounting rings 4 which are symmetrically distributed up and down are fixedly connected to the outer sides of the first connecting pipe 1, the elbow body 2 and the second connecting pipe 3, external connection sealing assemblies 5 are arranged at the outer sides of the connecting positions of the first connecting pipe 1, the elbow body 2 and the second connecting pipe 3, sealing rings 6 are arranged at the connecting positions of the elbow body 2 and the first connecting pipe 1 and the connecting position of the second connecting pipe 3, and internal sealing assemblies 7 are arranged at the inner sides of the connecting positions of the elbow body 2 and the first connecting pipe 1 and the second connecting pipe 3.

The external sealing assembly 5 comprises a first mounting ring 501, a second mounting ring 502, anti-slip pads 503, rotating parts 504, connecting arms 505, plug holes 506, spring pins 507 and connecting springs 508, wherein the anti-slip pads 503 are fixedly connected to the inner sides of the first mounting ring 501 and the second mounting ring 502, the external sealing assembly is convenient to install on a connecting pipe, the application range is wide, the rotating parts 504 are installed at the left end and the right end of the first mounting ring 501, the connecting arms 505 are installed at the outer sides of the rotating parts 504, the connecting springs 508 are installed between the first mounting ring 501 and the connecting arms 505, the firmness and the safety of connection are further improved, the installation efficiency is greatly improved, the problem of unsmooth sealing is avoided, the plug holes 506 which are bilaterally symmetrical are formed in the outer sides of the second mounting ring 502, the spring pins 507 are installed at the upper ends of the plug holes 506, the spring pins 507 are connected with the connecting arms 505 in a clamping mode between the mounting holes, the connecting arms 505 are inserted into the plug holes 506, and the connecting pipes are positioned through the spring pins 507, and the auxiliary fixing function is achieved.

Meanwhile, the inner sealing assembly 7 comprises a connecting groove 701, a connecting block 702, a sealing groove 703, a sealing strip 704 and an insertion pipe 705, the lower end of the first connecting pipe 1 and the upper end of the second connecting pipe 3 are provided with the connecting groove 701 which is distributed in an annular equidistant mode, the outer side of the connecting groove 701 is provided with the sealing groove 703, the upper end and the lower end of the bent pipe body 2 are fixedly connected with the insertion pipe 705, the outer side of the insertion pipe 705 is fixedly connected with the connecting block 702 which is distributed in an annular equidistant mode, the sealing strip 704 is fixedly connected with the outer side of the connecting block 702, the sealing performance of the device is greatly improved, the sealing performance of a gap at a connecting position is improved, the connecting block 702 is connected with the connecting block 702 in an inner side sliding mode, the sealing strip 704 is connected with the inner side of the sealing groove 703 in a sliding mode, the connecting performance of a joint of the bent pipe body 2 can be improved, the connecting groove 701 and the sealing groove 703 form a T-shaped structure, the connecting block 702 and the sealing strip 704 form a T-shaped structure, the structure is stable, and the air tightness is good.

The split schematic diagram of the connecting pipe and the bent pipe body 2 of the gas pipeline sealing connecting device is shown in fig. 3, and the partial enlarged schematic diagram of the internal sealing component 7 is shown in fig. 4.

When the gas pipeline sealing connection device of the technical scheme is used, the condition that a straight pipe is connected with an elbow pipe in a combined mode can occur, the first connecting pipe 1 is installed at the upper end of the elbow pipe body 2, the second connecting pipe 3 is installed at the lower end of the elbow pipe body 2, the connecting block 702 fixedly connected with the outer side of the insertion pipe 705 of the elbow pipe body 2 is inserted into the connecting groove 701 and the sealing groove 703 of the first connecting pipe 1 and the second connecting pipe 3 together with the sealing strip 704, after connection is completed, the inner sealing component 7 arranged on the inner side is used together with the sealing ring 6, the connectivity of the joint of the elbow pipe body 2 can be improved, the installation is convenient and quick, the safety performance of gas elbow pipe connection is improved, the potential safety hazard is reduced, meanwhile, the external sealing component 5 is installed at the upper end and the lower end of the installation ring 4 of the joint, the connecting arms 505 are connected at the left end and the right end of the first installation ring 501, the connecting arms 505 are inserted into the inserting holes 506 at the left end and the right end of the second installation ring 502, and the spring pins 507 are used for positioning at the same time, the firmness and the safety of connection are further improved, and the sealing problem is avoided.

Claims (7)

1. The utility model provides a gas pipeline sealing connection device with return bend subassembly, this gas pipeline sealing connection device includes first connecting pipe, its characterized in that, the return bend body is installed to first connecting pipe lower extreme, the second connecting pipe is installed to return bend body lower extreme, the equal fixedly connected with upper and lower symmetric distribution's of first connecting pipe, return bend body and second connecting pipe outside retainer plate, external sealing component is all installed in first connecting pipe, return bend body and second connecting pipe junction outside, return bend body and first connecting pipe, with second connecting pipe junction all are equipped with the sealing washer, the inside sealing component is all installed to return bend body and first connecting pipe, second connecting pipe junction inboard.

2. The gas pipeline sealing connection device with the elbow assembly according to claim 1, wherein the external sealing assembly comprises a first mounting ring, a second mounting ring, a non-slip pad, a rotating piece, a connecting arm, a plug hole, a spring pin and a connecting spring, and the non-slip pads are fixedly connected to the inner sides of the first mounting ring and the second mounting ring.

3. The gas pipeline sealing connection device with the elbow assembly according to claim 2, wherein the rotating pieces are installed at the left end and the right end of the first installation ring, the connecting arms are installed on the outer sides of the rotating pieces, and the connecting springs are installed between the first installation ring and the connecting arms.

4. The gas pipeline sealing connection device with the bent pipe assembly according to claim 2, wherein the outer side of the second mounting ring is provided with laterally symmetrical plug holes, spring pins are mounted at the upper ends of the plug holes, and the spring pins are connected with the mounting holes of the connecting arms in a clamping mode.

5. The gas pipeline sealing connection device with the elbow assembly according to claim 1, wherein the internal sealing assembly comprises a connecting groove, a connecting block, a sealing groove, sealing strips and an insertion pipe, annular equally distributed connecting grooves are formed in the lower end of the first connecting pipe and the upper end of the second connecting pipe, the sealing groove is formed in the outer side of the connecting groove, the insertion pipe is fixedly connected to the upper end and the lower end of the elbow body, the connecting block is fixedly connected to the outer side of the insertion pipe, and the sealing strips are fixedly connected to the outer side of the connecting block.

6. The gas pipeline sealing connection device with the bent pipe assembly according to claim 5, wherein a connection block is connected to the inner side of the connection groove in a sliding manner, and a sealing strip is connected to the inner side of the sealing groove in a sliding manner.

7. The gas pipeline sealing connection device with the bent pipe assembly according to claim 5, wherein the connecting groove and the sealing groove form a T-shaped structure, and the connecting block and the sealing strip form a T-shaped structure.

Images