CN219453206U - High-temperature sealing pipeline expansion joint - Google Patents

Abstract

The utility model discloses a high-temperature sealed pipeline expansion joint, which relates to the field of pipeline connecting pieces and comprises an expansion joint body, wherein a first flange is arranged at one end of the expansion joint body, a second flange is arranged at the other end of the expansion joint body, a plurality of corrugated pipes are arranged in the middle of the expansion joint body, a first fixing ring is arranged on one side, close to the first flange, of each corrugated pipe, a second fixing ring is arranged on one side, close to the second flange, of each corrugated pipe, thermal expansion and contraction of a pipeline can generate stress and push-pull force of a pipeline wall, at the moment, the corrugated pipes can absorb the generated force, and compensate the expansion deformation caused by axial, transverse and angular heating of the pipeline.

Description

High-temperature sealing pipeline expansion joint

Technical Field

The utility model relates to the field of pipeline connectors, in particular to a high-temperature sealing pipeline expansion joint.

Background

The expansion joint can also be called a pipeline expansion joint, a compensator and a telescopic device. The telescopic joint is divided into: several types of bellows, sleeve bellows, square natural compensation bellows, etc., with bellows being more common.

The existing telescopic joint mostly uses the bellows telescopic joint, can absorb the pipeline and be heated the power that produces, but the pipeline is heated the heat and can continuously gather, sometimes needs personnel's manual work to cool off, in addition because general telescopic joint weight is heavier, and the shape is the cylinder, does not have extra grabbing device, and the transport is comparatively difficult.

Therefore, it is necessary to provide a high temperature sealed pipe expansion joint to solve the above problems.

Disclosure of Invention

The utility model aims to provide a high-temperature sealing pipeline expansion joint so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high temperature seal pipeline telescopic joint, includes the telescopic joint body, the one end of telescopic joint body is provided with first flange, the other end of telescopic joint body is provided with the second flange, the middle part of telescopic joint body is provided with a plurality of bellows, one side that the bellows is close to first flange is provided with first solid fixed ring, one side that the bellows is close to the second flange is provided with the solid fixed ring of second, be provided with a plurality of first spliced pole between first flange and the solid fixed ring of first, be provided with a plurality of second spliced poles between second flange and the solid fixed ring of second, there is the gap between two liang of bellows, be provided with the elasticity gasbag ring in the gap.

Preferably, the top of the elastic air bag ring is provided with air holes, an L-shaped plate is arranged between every two second connecting columns, and a plurality of L-shaped plates are arranged.

Preferably, the top of a plurality of L template is provided with inhales the sound annular slab, inhale the sound annular slab cover in the outside of telescopic joint body, inhale and be provided with the set screw between sound annular slab and the L template.

Preferably, the first fixing ring and the second fixing ring are sleeved on the outer ring of the telescopic joint body.

Preferably, a plurality of auxiliary handles are arranged between the first flange and the second flange, and the bottom ends of the auxiliary handles are arranged on the outer ring of the telescopic joint body.

Preferably, a layer of sealing ring is arranged on the inner side of the telescopic joint body.

Preferably, the sound absorbing annular plate is arranged at the bottom end of the auxiliary handle.

Preferably, the first flange and the second flange are uniformly provided with a plurality of fixing holes.

The utility model has the technical effects and advantages that:

1. the expansion caused by heat and contraction caused by cold of the pipeline can generate stress and push-pull force of the pipeline, the corrugated pipe can be extruded or pushed at the moment, the corrugated pipe can absorb the generated force and compensate the expansion deformation caused by the axial, transverse and angular heating of the absorption pipeline, when the corrugated pipes are extruded, the elastic air bag ring can be extruded, the air bag generates gas, the gas is discharged through the air holes, the pipeline is cooled, and in addition, the elastic air bag ring can also have a buffering effect;

2. the pipeline inside transportation material can produce the noise, and the sound-absorbing annular plate that outside set up can isolate a part of noise, and supplementary handle can help personnel to carry and transport in addition, convenient and fast.

Drawings

FIG. 1 is a schematic view of a high temperature sealed pipe expansion joint according to the present utility model.

FIG. 2 is a schematic view of the bellows and elastic balloon ring of the present utility model.

FIG. 3 is a schematic view of another view of the high temperature sealed pipe expansion joint according to the present utility model.

In the figure: 1. an expansion joint body; 2. a first flange; 3. a fixing hole; 4. a bellows; 5. a first fixing ring; 6. a first connection post; 7. an auxiliary handle; 8. an elastic balloon ring; 9. a second fixing ring; 10. an L-shaped plate; 11. a sound absorbing annular plate; 12. a set screw; 13. a second flange; 14. and a second connecting column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a high-temperature sealed pipeline expansion joint as shown in figures 1-3, which comprises an expansion joint body 1, wherein a first flange 2 is arranged at one end of the expansion joint body 1, a second flange 13 is arranged at the other end of the expansion joint body 1, a plurality of corrugated pipes 4 are arranged in the middle of the expansion joint body 1, a first fixing ring 5 is arranged at one side, close to the first flange 2, of each corrugated pipe 4, and the first fixing ring 5 and the second fixing ring 9 are sleeved on an outer ring of the expansion joint body 1.

In actual operation of the utility model, the first fixing ring 5 and the second fixing ring 9 are fixed through the plurality of first connecting columns 6, the plurality of second connecting columns 14 and the flange, so as to increase the fixing strength of the outer ring of the telescopic joint body 1 and improve the firmness.

In addition, both sides of the bellows 4 may be supported. Preventing the bellows 4 from expanding too much.

The bellows 4 is provided with the second solid fixed ring 9 near one side of second flange 13, is provided with a plurality of first spliced poles 6 between first flange 2 and the first solid fixed ring 5, is provided with a plurality of second spliced poles 14 between second flange 13 and the solid fixed ring 9 of second, exists the gap between every two bellows 4, is provided with elasticity gasbag ring 8 in the gap.

The top of the elastic air bag ring 8 is provided with air holes, an L-shaped plate 10 is arranged between every two second connecting columns 14, and a plurality of L-shaped plates 10 are arranged.

In the actual operation of the utility model, the expansion with heat and contraction with cold of the pipeline can generate stress and push-pull force of the pipeline, at the moment, the corrugated pipe 4 can be extruded or pushed, the corrugated pipe 4 can absorb the generated force and compensate the expansion and contraction deformation caused by the axial, transverse and angular heating of the absorption pipeline, when the corrugated pipes 4 are extruded, the elastic air bag rings 8 can be extruded, the air bags generate gas, the gas is discharged through the air holes, the pipeline is cooled, and in addition, the elastic air bag rings 8 can also have a buffering effect.

The top of a plurality of L template 10 is provided with inhales the sound annular slab 11, inhales the outside that the sound annular slab 11 overlaps in telescopic joint body 1, is provided with set screw 12 between sound annular slab 11 and the L template 10.

The pipeline inside transportation material can produce the noise, and the sound absorbing annular plate 11 of outside setting can isolate a part of noise. In addition, a plurality of auxiliary handles 7 are arranged between the first flange 2 and the second flange 13, and the bottom ends of the auxiliary handles 7 are arranged on the outer ring of the telescopic joint body 1.

In the actual operation of the present utility model, the auxiliary handle 7 can help personnel to carry and transport, and the general telescopic joint has a heavy weight and a cylindrical shape, so that the carrying is difficult without an additional grabbing device.

The inboard of telescopic joint body 1 is provided with the one deck sealing washer, improves the leakproofness, and the sound-absorbing annular plate 11 sets up in the bottom of supplementary handle 7. A plurality of fixing holes 3 are uniformly formed in the first flange 2 and the second flange 13.

Claims (8)

1. The utility model provides a high temperature seal pipeline telescopic joint, includes telescopic joint body (1), its characterized in that: the one end of telescopic joint body (1) is provided with first flange (2), the other end of telescopic joint body (1) is provided with second flange (13), the middle part of telescopic joint body (1) is provided with a plurality of bellows (4), one side that bellows (4) are close to first flange (2) is provided with first solid fixed ring (5), one side that bellows (4) are close to second flange (13) is provided with second solid fixed ring (9), be provided with a plurality of first spliced pole (6) between first flange (2) and first solid fixed ring (5), be provided with a plurality of second spliced poles (14) between second flange (13) and the solid fixed ring (9) of second, there is the gap between two liang of bellows (4), be provided with elasticity gasbag ring (8) in the gap.

2. A high temperature sealed pipe expansion joint according to claim 1, wherein: air holes are formed in the top end of the elastic air bag ring (8), an L-shaped plate (10) is arranged between every two second connecting columns (14), and a plurality of L-shaped plates (10) are arranged.

3. A high temperature sealed pipe expansion joint according to claim 2, wherein: the top of a plurality of L template (10) is provided with inhales sound annular slab (11), inhale sound annular slab (11) cover in telescopic joint body (1) outside, inhale and be provided with between sound annular slab (11) and L template (10) set screw (12).

4. A high temperature sealed pipe expansion joint according to claim 3, wherein: the first fixing ring (5) and the second fixing ring (9) are sleeved on the outer ring of the telescopic joint body (1).

5. A high temperature sealed pipe expansion joint according to claim 3, wherein: a plurality of auxiliary handles (7) are arranged between the first flange (2) and the second flange (13), and the bottom ends of the auxiliary handles (7) are arranged on the outer ring of the telescopic joint body (1).

6. A high temperature sealed pipe expansion joint according to claim 1, wherein: the inner side of the telescopic joint body (1) is provided with a layer of sealing ring.

7. A high temperature sealed pipe expansion joint according to claim 5, wherein: the sound absorbing annular plate (11) is arranged at the bottom end of the auxiliary handle (7).

8. A high temperature sealed pipe expansion joint according to claim 1, wherein: a plurality of fixing holes (3) are uniformly formed in the first flange (2) and the second flange (13).