CN217634341U - Straight pipe end anti-drop splicing connection device for inner bushing type inner coating - Google Patents
Straight pipe end anti-drop splicing connection device for inner bushing type inner coating Download PDFInfo
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- CN217634341U CN217634341U CN202220870152.7U CN202220870152U CN217634341U CN 217634341 U CN217634341 U CN 217634341U CN 202220870152 U CN202220870152 U CN 202220870152U CN 217634341 U CN217634341 U CN 217634341U
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Abstract
The utility model relates to a straight pipe end anticreep grafting connecting device in neck bush tubular undercoating, including first straight tube section, second straight tube section and neck bush, the pipe diameter of first straight tube section and second straight tube section the same, the internal diameter phase-match of neck bush's external diameter and first straight tube section and second straight tube section, neck bush's one end insert and locate in the tip of first straight tube section, in the other end inserts the tip of locating the second straight tube section, the tip fixed connection of first straight tube section, second straight tube section. Compared with the prior art, the utility model has the advantages of connect convenient and fast, prevent to damage pipeline undercoating.
Description
Technical Field
The utility model relates to a plug connection mechanism of pipeline especially relates to a neck bush tubular undercoating straight tube end anticreep plug connection device.
Background
The connecting mode of the pipelines comprises various modes of welding and splicing. When the existing pipeline is connected, only one connection form of welding or plug connection is adopted alone. Although the construction speed of the common plug-in connection is high, the problem that the pipeline connection is not firm exists; the welding connection easily causes burning loss to the inner coating of the pipeline.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anti-drop splicing connection device for a straight pipe end of an inner bushing type inner coating in order to overcome the defects of the prior art.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides an interior bushing pipe formula internal coating straight tube end anticreep grafting connecting device, includes first straight tube section, second straight tube section and inside lining sleeve pipe, the pipe diameter of first straight tube section and second straight tube section the same, the external diameter of inside lining sleeve pipe and the internal diameter phase-match of first straight tube section and second straight tube section, inside lining sleeve pipe's one end insert and locate in the tip of first straight tube section, the other end inserts in the tip of locating the second straight tube section, the end fixed connection of first straight tube section, second straight tube section.
Preferably, the ends of the first straight pipe section and the second straight pipe section are fixedly connected by welding to form a butt end face weld.
Preferably, the middle part of the outer wall of the inner lining sleeve is provided with a heat insulation sleeve, and the heat insulation sleeve is positioned at the butt joint end face welding seam.
Preferably, both ends of the inner bushing pipe are fixedly connected with the inner sides of the first straight pipe section and the second straight pipe section respectively.
Preferably, the two ends of the inner bushing pipe are provided with adhesive layers, and the inner bushing pipe is fixedly connected with the inner sides of the first straight pipe section and the second straight pipe section through the adhesive layers.
Compared with the prior art, the utility model has the advantages of as follows:
(1) The utility model can realize reliable splicing connection of the pipe section with the inner coating by utilizing the form of splicing and welding of the inner bushing pipe, has high splicing construction speed and the reliability of welding connection of a common pipeline, and ensures that the integrity of the inner coating of the pipeline is not damaged;
(2) The utility model discloses an utilize the inside lining sheathed tube adhesive layer to carry out plug-in connection between first straight tube section, second straight tube section, the adhesive can improve the sealed effect at grafting position, improves and connects the reliability.
Drawings
FIG. 1 is an assembly view of the present invention;
fig. 2 is a schematic diagram of a straight pipe end structure in the present invention.
Fig. 3 is a schematic structural view of the inner bushing and the heat insulation sleeve of the present invention.
Fig. 4 is a schematic view of the position structure of the lining sleeve of the present invention, which is filled into a straight pipe section and smeared with adhesive.
The heat insulation pipe comprises a first straight pipe section 1, a first straight pipe section 2, a lining sleeve 3, an adhesive layer 4, a second straight pipe section 5, a heat insulation sleeve 6 and a butt end face welding seam.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. Note that the following description of the embodiments is merely an example in nature, and the present invention is not intended to limit the application or use thereof, and the present invention is not limited to the following embodiments.
Examples
An anti-drop inserting connection device for a straight pipe end of an inner bushing type inner coating is shown in figures 1-3 and comprises a first straight pipe section 1, a second straight pipe section 4 and an inner bushing pipe 2, wherein the pipe diameters of the first straight pipe section 1 and the second straight pipe section 4 are the same, the outer diameter of the inner bushing pipe 2 is matched with the inner diameters of the first straight pipe section 1 and the second straight pipe section 4, one end of the inner bushing pipe 2 is inserted into the end portion of the first straight pipe section 1, the other end of the inner bushing pipe 2 is inserted into the end portion of the second straight pipe section 4, and the end portions of the first straight pipe section 1 and the second straight pipe section 4 are fixedly connected. The end parts of the first straight pipe section 1 and the second straight pipe section 4 are fixedly connected by welding to form a butt end surface welding seam 6. The middle part of the outer wall of the lining sleeve 2 is provided with a heat insulation sleeve 5, and the heat insulation sleeve 5 is positioned at a butt joint end face welding seam 6. Two ends of the lining sleeve 2 are respectively fixedly connected with the inner sides of the first straight pipe section 1 and the second straight pipe section 4. The two ends of the lining sleeve 2 are provided with adhesive layers 3, and the lining sleeve 2 is fixedly connected with the inner sides of the first straight pipe section 1 and the second straight pipe section 4 through the adhesive layers 3.
In particular, in the present embodiment, the first straight pipe section 1 and the second straight pipe section 4 have an outer diameter D and an inner diameter D,
specifically, when the first straight pipe section 1 and the second straight pipe section 4 are connected, an adhesive is applied to one end of the lining sleeve 2 to form the adhesive layer 3, the end is inserted into the first straight pipe section 1, as shown in fig. 4, and then the adhesive is applied to the other end of the lining sleeve 2 to form the adhesive layer 3, and then the lining sleeve is inserted into the second straight pipe section 4. And then welding the joint of the first straight pipe section 1 and the second straight pipe section 4 to form a butt end surface welding seam 6, thereby completing the connection.
The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.
Claims (5)
1. The utility model provides an interior bushing type undercoating straight tube end anticreep grafting connecting device, its characterized in that, includes first straight tube section (1), second straight tube section (4) and interior bushing pipe (2), the pipe diameter of first straight tube section (1) and second straight tube section (4) the same, the external diameter of interior bushing pipe (2) and the internal diameter phase-match of first straight tube section (1) and second straight tube section (4), the one end of interior bushing pipe (2) insert in the tip of locating first straight tube section (1), the other end is inserted in the tip of locating second straight tube section (4), the tip fixed connection of first straight tube section (1), second straight tube section (4).
2. The anti-drop plug connection device for the straight pipe end with the inner bushing type coating according to claim 1, characterized in that the ends of the first straight pipe section (1) and the second straight pipe section (4) are fixedly connected by welding to form a butt end welding seam (6).
3. The straight pipe end anti-drop plug-in connection device with the inner bushing type inner coating according to claim 1, characterized in that a heat insulation sleeve (5) is arranged in the middle of the outer wall of the inner bushing (2), and the heat insulation sleeve (5) is located at a butt end face weld joint.
4. The anti-drop plug-in connection device for the straight pipe end of the inner bushing type inner coating according to claim 1, characterized in that two ends of the inner bushing (2) are fixedly connected with the inner sides of the first straight pipe section (1) and the second straight pipe section (4) respectively.
5. The straight pipe end anti-drop plug connection device with the inner bushing type inner coating according to claim 1, characterized in that two ends of the inner bushing (2) are provided with adhesive layers (3), and the inner bushing (2) is fixedly connected with the inner sides of the first straight pipe section (1) and the second straight pipe section (4) through the adhesive layers (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220870152.7U CN217634341U (en) | 2022-04-14 | 2022-04-14 | Straight pipe end anti-drop splicing connection device for inner bushing type inner coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220870152.7U CN217634341U (en) | 2022-04-14 | 2022-04-14 | Straight pipe end anti-drop splicing connection device for inner bushing type inner coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217634341U true CN217634341U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220870152.7U Active CN217634341U (en) | 2022-04-14 | 2022-04-14 | Straight pipe end anti-drop splicing connection device for inner bushing type inner coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217634341U (en) |
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2022
- 2022-04-14 CN CN202220870152.7U patent/CN217634341U/en active Active
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