CN218972124U - Internal pressure sand-proof compensator for reducing pipe connection - Google Patents
Internal pressure sand-proof compensator for reducing pipe connection Download PDFInfo
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- CN218972124U CN218972124U CN202223355120.2U CN202223355120U CN218972124U CN 218972124 U CN218972124 U CN 218972124U CN 202223355120 U CN202223355120 U CN 202223355120U CN 218972124 U CN218972124 U CN 218972124U
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- connecting pipe
- pipe
- internal pressure
- pressure sand
- corrugated pipe
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Abstract
The utility model discloses an internal pressure sand-proof compensator connected with a reducer pipe, belonging to the field of expansion joints of metal corrugated pipes; the first connecting pipe and the second connecting pipe are reducing pipes. Compared with the prior art that a stepped surface is generated by connecting two pipelines with different inner diameters, the utility model optimizes the structure and omits the installation of a transition backing ring; the flexible sand-proof body is filled between the lining cylinder and the corrugated pipe, the elastic sealing body is arranged at the port between the lining cylinder and the corrugated pipe, so that sundries such as sand, stones and the like are prevented from entering the cavity to damage the corrugated pipe, and the quality of products is effectively improved.
Description
Technical Field
The utility model relates to the field of expansion joints of metal corrugated pipes, in particular to an internal pressure sand-proof compensator for reducing pipe connection.
Background
The thermodynamic pipeline is axially stretched due to the temperature difference change of the working medium, and a compensator is required to be arranged on the thermodynamic pipeline in order to compensate the stretching of the pipeline. In the prior art, expansion joint compensators are adopted, but a stepped surface is generated between two pipelines with different inner diameters in the compensator, a transition backing ring is needed to be used at the stepped surface, sand is easy to enter the compensator, the sealing effect is poor, the compensator can be damaged after long-term use, the sealing effect of the compensator is further reduced, and the service life of the compensator is shortened.
Disclosure of Invention
The utility model aims to provide an internal pressure sand control compensator connected with a reducer pipe.
The technical scheme of the utility model is as follows: an internal pressure sand-proof compensator connected with a reducer pipe comprises a corrugated pipe, a first connecting pipe, a second connecting pipe and a lining barrel, wherein the first connecting pipe and the second connecting pipe are arranged at two ends of the corrugated pipe; the first connecting pipe and the second connecting pipe are reducing pipes, one end of the lining cylinder is fixed on the inner wall of the first connecting pipe, the other end of the lining cylinder is a free end, and an elastic sealing body is arranged between the free end of the lining cylinder and the second connecting pipe; and flexible sand prevention bodies are filled between the lining cylinder and the first connecting pipe, between the lining cylinder and the corrugated pipe and between the lining cylinder and the second connecting pipe.
According to a further technical scheme, an outer sheath is arranged on the outer side of the corrugated pipe, one end of the outer sheath is fixed on the first connecting pipe through the connecting pipe, and the other end of the outer sheath is connected to the second connecting pipe through the pull rod assembly.
Further technical scheme, the bellows comprises one, two or more nodes.
According to a further technical scheme, an armor ring is sleeved at the trough of the corrugated pipe.
According to a further technical scheme, a vent hole is formed in the end portion, close to the first connecting pipe, of the lining barrel.
Further technical scheme, the pull rod assembly includes annular plate, otic placode, pull rod, and annular plate fixed cover is established on the oversheath, and otic placode fixed mounting is on the second takeover, and pull rod fixed connection annular plate and otic placode.
The utility model has the beneficial effects that:
compared with the prior art that a stepped surface is generated by connecting two pipelines with different inner diameters, the utility model optimizes the structure and omits the installation of a transition backing ring; the flexible sand-proof body is filled between the lining cylinder and the corrugated pipe, the elastic sealing body is arranged at the port between the lining cylinder and the corrugated pipe, so that sundries such as sand, stones and the like are prevented from entering the cavity to damage the corrugated pipe, and the quality of products is effectively improved.
Drawings
Figure 1 is a schematic diagram of the structure of the present utility model,
fig. 2 is a schematic cross-sectional view of an alternative armor ring, wherein 1, bellows, 11, armor ring, 2, first adapter, 3, second adapter, 4, inner liner, 41, vent, 5, elastomeric seal, 6, outer jacket, 7, tie rod assembly, 71, ring plate, 72, tie rod, 73, ear plate.
Detailed Description
The utility model will be further illustrated by the following non-limiting examples, which illustrate the utility model.
As shown in fig. 1-2, the utility model provides an internal pressure sand control compensator for reducing pipe connection, which comprises a corrugated pipe 1, a first connecting pipe 2 and a second connecting pipe 3 arranged at two ends of the corrugated pipe 1, and a lining barrel 4 arranged between the first connecting pipe 2 and the second connecting pipe 3; the first connecting pipe 2 and the second connecting pipe 3 are reducer pipes, a thickened lining barrel 4 can be adopted according to pressure requirements, the corrugated pipe 1 formed by one, two or more nodes is selected, under the condition of high pressure, the pressure bearing capacity of a product can be improved by installing an armor ring 11 on the corrugated pipe 1, the requirements of different pressure working conditions are met, and the structure of some optional armor rings 11 is provided in fig. 2.
One end of the lining cylinder 4 is fixed on the inner wall of the first connecting pipe 2, the other end is a free end, and an elastic sealing body 5 is arranged between the free end of the lining cylinder 4 and the second connecting pipe 3; a flexible sand-proof body is filled between the lining cylinder 4 and the first connecting pipe 2, the corrugated pipe 1 and the second connecting pipe 3.
The outside of bellows 1 is provided with oversheath 6, and one end of oversheath 6 is fixed on first takeover 2 through taking over, and the other end is connected to second takeover 3 through pull rod assembly 7. The pull rod assembly 7 comprises a ring plate 71, an ear plate 73 and a pull rod 72, wherein the ring plate 71 is fixedly sleeved on the outer sheath 6, the ear plate 73 is fixedly installed on the second connecting pipe 3, and the pull rod 72 is fixedly connected with the ring plate 71 and the ear plate 73.
The end part of the lining cylinder 4, which is close to the first connecting pipe 2, is provided with a vent hole 41, the vent hole 41 can prevent media from accumulating at the root part of the lining cylinder 4, and the service life of a product is prolonged;
the utility model directly connects the corrugated pipe 1 and the field pipeline through the reducer pipe, and compared with the prior art that a stepped surface is generated by connecting two pipelines with different inner diameters, the structure is optimized, and the installation of a transition backing ring is omitted; the flexible sand-proof body is filled between the lining cylinder 4 and the corrugated pipe 1, the elastic sealing body 5 is arranged at the port between the lining cylinder 4 and the corrugated pipe 1, so that sundries such as sand, stones and the like are prevented from entering the cavity to damage the corrugated pipe 1, and the quality of products is effectively improved.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. An internal pressure sand control compensator of reducing union coupling, its characterized in that: the corrugated pipe comprises a corrugated pipe, a first connecting pipe, a second connecting pipe and a lining barrel, wherein the first connecting pipe and the second connecting pipe are arranged at two ends of the corrugated pipe; the first connecting pipe and the second connecting pipe are reducer pipes, one end of the lining cylinder is fixed on the inner wall of the first connecting pipe, the other end of the lining cylinder is a free end, and an elastic sealing body is arranged between the free end of the lining cylinder and the second connecting pipe; and flexible sand prevention bodies are filled among the lining cylinder, the first connecting pipe, the corrugated pipe and the second connecting pipe.
2. The reducer union joint internal pressure sand control compensator of claim 1, wherein: the outside of bellows is provided with the oversheath, the one end of oversheath is fixed on first takeover through taking over, and the other end is connected to the second takeover through the pull rod subassembly.
3. The reducer union joint internal pressure sand control compensator of claim 1, wherein: the bellows is made up of one, two or more nodes.
4. The reducer union joint internal pressure sand control compensator of claim 1, wherein: an armor ring is sleeved at the trough of the corrugated pipe.
5. The reducer union joint internal pressure sand control compensator of claim 1, wherein: the end of the lining barrel, which is close to the first connecting pipe, is provided with a vent hole.
6. The reducer union joint internal pressure sand control compensator of claim 2, wherein: the pull rod assembly comprises a ring plate, an ear plate and a pull rod, wherein the ring plate is fixedly sleeved on the outer sheath, the ear plate is fixedly installed on the second connecting pipe, and the pull rod is fixedly connected with the ring plate and the ear plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223355120.2U CN218972124U (en) | 2022-12-12 | 2022-12-12 | Internal pressure sand-proof compensator for reducing pipe connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223355120.2U CN218972124U (en) | 2022-12-12 | 2022-12-12 | Internal pressure sand-proof compensator for reducing pipe connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218972124U true CN218972124U (en) | 2023-05-05 |
Family
ID=86157113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223355120.2U Active CN218972124U (en) | 2022-12-12 | 2022-12-12 | Internal pressure sand-proof compensator for reducing pipe connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218972124U (en) |
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2022
- 2022-12-12 CN CN202223355120.2U patent/CN218972124U/en active Active
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