CN217634340U - Outer sleeve type inner coating pipe end anti-drop type plug-in connection device - Google Patents
Outer sleeve type inner coating pipe end anti-drop type plug-in connection device Download PDFInfo
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- CN217634340U CN217634340U CN202220867885.5U CN202220867885U CN217634340U CN 217634340 U CN217634340 U CN 217634340U CN 202220867885 U CN202220867885 U CN 202220867885U CN 217634340 U CN217634340 U CN 217634340U
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- outer tube
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Abstract
The utility model relates to an outer tube formula undercoating pipe end anticreep formula plug-in connection device, including first takeover, second takeover, long outer tube, short sleeve pipe, the pipe diameter of first takeover, second takeover the same, the internal diameter of long outer tube and the external diameter phase-match of first takeover, second takeover, the internal diameter of short sleeve pipe and the external diameter phase-match of first takeover, second takeover, the fixed cover of short sleeve pipe locate the week side that the second was taken over, the fixed cover of one end of long outer tube locate the tip of first takeover, the second takeover insert locate the other end of long outer tube just short sleeve pipe tip with long outer tube is contradicted, short sleeve pipe and long outer tube fixed connection. Compared with the prior art, the utility model has the advantages of the installation is convenient, prevent to destroy and take over coating.
Description
Technical Field
The utility model relates to a pipe connection device especially relates to an outer tube formula undercoating pipe end anticreep formula plug-in connection device.
Background
In the construction of the inner coating anti-corrosion pipeline, the problem that the inner coating anti-corrosion material at the pipe end is damaged by high temperature during welding when the pipe ends are connected exists. In addition, even if a special welding process is adopted for butt joint of the pipe ends of the bimetal composite pipe, the problem of accelerated corrosion caused by reduction of metal performance due to melting of welding metal is difficult to avoid.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an outer sleeve type inner coating pipe end anti-drop formula plug-in connection device in order to overcome the defects of the prior art.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides an outer tube formula undercoating pipe end anticreep formula plug-in connection device, includes first takeover, second takeover, long outer tube, short sleeve, first takeover, the pipe diameter of second takeover the same, the internal diameter of long outer tube and first takeover, the external diameter phase-match of second takeover, the internal diameter of short sleeve and first takeover, the external diameter phase-match of second takeover, the fixed cover of short sleeve locate the week side of second takeover, the fixed cover of one end of long outer tube locate the tip of first takeover, the second takeover insert locate the other end of long outer tube just short sleeve's tip with long outer tube is contradicted, short sleeve and long outer tube fixed connection.
Preferably, the end of the long outer sleeve is provided with an inner step straight port, the end of the short sleeve is provided with an inner step straight port, and the end of the long outer sleeve and the end of the short sleeve are abutted to form a heat insulation cavity.
Preferably, the connecting device further comprises a heat insulation sleeve, and the heat insulation sleeve is arranged in the heat insulation cavity.
Preferably, the short sleeve and the long outer sleeve are fixedly connected through welding.
Preferably, the end of the long outer sleeve is fixedly connected with the peripheral side of the first connecting pipe through welding.
Preferably, the end of the short sleeve is fixedly connected with the peripheral side of the second adapter tube by welding.
Preferably, an adhesive is arranged between the end parts of the first connecting pipe and the second connecting pipe to form an adhesive layer.
Compared with the prior art, the utility model has the advantages of as follows:
(1) The utility model utilizes the splicing form of the outer sleeve and combines the welding connection mode, the long outer sleeve, the short sleeve and the connecting pipe are spliced after being welded, the connection strength and the reliability of the two connecting pipes are ensured, the installation form is convenient and fast, and the installation efficiency is improved;
(2) The heat insulation cavity is formed through the inner step straight opening structure, the heat insulation sleeve is arranged, high-temperature overheat protection can be performed on the pipe, damage to a coating caused by welding is prevented, and welding strength is guaranteed;
(3) An adhesive layer is formed between the first connecting pipe and the second connecting pipe through an adhesive, so that the sealing effect and the connection strength are ensured, and the reliability of the device is improved.
Drawings
Fig. 1 is an assembly schematic view of the present invention;
fig. 2 is a schematic view of the welding connection structure between the long outer sleeve and the pipe end of the present invention.
Fig. 3 is a schematic view of the welding connection structure between the short sleeve and the pipe end of the present invention.
Fig. 4 is a schematic diagram of the position of applying the adhesive for installing the heat insulation sleeve and inserting the pipe end of the utility model.
The heat insulation pipe comprises a first connecting pipe 1, a second connecting pipe 2, a long outer sleeve 3, a short outer sleeve 4, an inner step straight opening 5, a heat insulation sleeve 6, a heat insulation sleeve 7 and an adhesive layer.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments. Note that the following description of the embodiments is merely an example of the nature, and the present invention is not intended to limit the application or the use thereof, and the present invention is not limited to the following embodiments.
Examples
An outer sleeve type inner coating pipe end anti-drop type plug-in connection device is shown in figures 1-4 and comprises a first connecting pipe 1, a second connecting pipe 2, a long outer sleeve 3 and a short sleeve 4, the pipe diameters of the first connecting pipe 1 and the second connecting pipe 2 are the same, the inner diameter of the long outer sleeve 3 is matched with the outer diameters of the first connecting pipe 1 and the second connecting pipe 2, the inner diameter of the short sleeve 4 is matched with the outer diameters of the first connecting pipe 1 and the second connecting pipe 2, the short sleeve 4 is fixedly sleeved on the peripheral side of the second connecting pipe 2, one end of the long outer sleeve 3 is fixedly sleeved on the end of the first connecting pipe 1, the second connecting pipe 2 is inserted into the other end of the long outer sleeve 3, the end of the short sleeve 4 is abutted against the long outer sleeve 3, the short sleeve 4 is fixedly connected with the long outer sleeve 3, specifically, the end of the long outer sleeve 3 is fixedly connected with the peripheral side of the first connecting pipe 1 through welding, and the short sleeve 4 is fixedly connected with the long outer sleeve 3 through welding. An adhesive is arranged between the end parts of the first connecting pipe 1 and the second connecting pipe 2 to form an adhesive layer 7.
In this embodiment, as shown in fig. 1, the first connecting pipe 1 and the second connecting pipe 2 have an inner diameter D and an outer diameter D1, the long outer sleeve 3 and the short outer sleeve 4 have an inner diameter D1 and an outer diameter D2, and D1 and D are adapted to facilitate insertion.
The short sleeve 4 is fixedly connected with the long outer sleeve 3 by welding. In order to prevent the connecting pipe pattern layer from being damaged during welding, an inner step straight opening 5 is formed in the end portion of the long outer sleeve 3, an inner step straight opening 5 is formed in the end portion of the short sleeve 4, a heat insulation cavity is formed after the end portion of the long outer sleeve 3 is abutted to the end portion of the short sleeve 4, and a heat insulation sleeve 6 is arranged in the heat insulation cavity to prevent welding overheating.
The utility model discloses an installation flow does:
inserting a first connecting pipe 1 into one end of a long outer sleeve 3, fixedly connecting the long outer sleeve 3 with the first connecting pipe 1 by welding, sleeving a short sleeve 4 on the periphery of a second connecting pipe 2 and fixedly connecting the second connecting pipe by welding, coating an adhesive on the end parts of the first connecting pipe 1 and the second connecting pipe 2, arranging a heat insulation sleeve 6 in an inner step straight opening 5 of the short sleeve 4, inserting the tail end of the second connecting pipe 2 into the long outer sleeve 3, enabling the first connecting pipe 1 and the second connecting pipe 2 to be abutted, bonding the adhesive to form an adhesive layer 7, meanwhile, abutting the long outer sleeve 3 against the short sleeve 4, inserting the heat insulation sleeve 6 into the inner step straight opening 5 of the long outer sleeve 3, abutting the inner step straight openings 5 of the long outer sleeve 3 and the short sleeve 4 to form a heat insulation cavity, positioning the heat insulation sleeve 6 in the heat insulation cavity, and fixedly connecting the abutted end faces of the long outer sleeve 3 and the short sleeve 4 by welding.
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 (7)
1. The utility model provides an outer tube formula undercoating pipe end anticreep formula plug-in connection device, a serial communication port, take over (2), long outer tube (3), short sleeve (4) including first takeover (1), second, first takeover (1), the pipe diameter of second takeover (2) the same, the internal diameter of long outer tube (3) and the external diameter phase-match of first takeover (1), second takeover (2), the internal diameter of short sleeve (4) and the external diameter phase-match of first takeover (1), second takeover (2), short sleeve (4) fixed cover locate the week side of second takeover (2), the fixed cover of one end of long outer tube (3) locate the tip of first takeover (1), second takeover (2) insert the other end of locating long outer tube (3) just the tip of short sleeve (4) with long outer tube (3) contradict, short sleeve (4) and long outer tube (3) fixed connection.
2. The anti-drop plug-in connection device of the pipe end with the outer sleeve type inner coating according to claim 1 is characterized in that the end of the long outer sleeve (3) is provided with an inner step straight port (5), the end of the short sleeve (4) is provided with an inner step straight port (5), and the end of the long outer sleeve (3) and the end of the short sleeve (4) are abutted to form a heat insulation cavity.
3. The anti-drop plug-in connection device of claim 2, wherein said connection device further comprises a heat-insulating sleeve (6), said heat-insulating sleeve (6) being disposed in said heat-insulating chamber.
4. The anti-drop plug-in connection of a pipe end with an internal jacket pipe coating according to claim 1, characterised in that the short jacket pipe (4) is fixedly connected to the long jacket pipe (3) by welding.
5. The anti-separation plug-in connection device of the pipe end with the outer sleeve type inner coating according to claim 1 is characterized in that the end of the long outer sleeve (3) is fixedly connected with the peripheral side of the first adapter pipe (1) by welding.
6. The anti-separation plug-in connection device of the pipe end with the outer sleeve type inner coating according to claim 1 is characterized in that the end of the short sleeve (4) is fixedly connected with the peripheral side of the second adapter pipe (2) by welding.
7. The anti-drop plug-in connection device of a pipe end with an outer sleeve type inner coating according to claim 1, characterized in that an adhesive layer (7) is formed by an adhesive between the ends of the first connecting pipe (1) and the second connecting pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220867885.5U CN217634340U (en) | 2022-04-14 | 2022-04-14 | Outer sleeve type inner coating pipe end anti-drop type plug-in connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220867885.5U CN217634340U (en) | 2022-04-14 | 2022-04-14 | Outer sleeve type inner coating pipe end anti-drop type plug-in connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217634340U true CN217634340U (en) | 2022-10-21 |
Family
ID=83647565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220867885.5U Active CN217634340U (en) | 2022-04-14 | 2022-04-14 | Outer sleeve type inner coating pipe end anti-drop type plug-in connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217634340U (en) |
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2022
- 2022-04-14 CN CN202220867885.5U patent/CN217634340U/en active Active
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